The present specification relates generally to a vehicular garage door opening and closing assembly, and more particularly to such an opening and closing assembly that operates automatically upon switching gear settings within a vehicle.
Garage door opener (GDO) systems typically require that the user of a vehicle physically interact with the GDO through a wireless transmitter or related remote control device for the purpose of signally instructing a motorized linkage to open or close a garage door. For example, in most systems, a user must manually press a button on an in-vehicle transmitter to operate the GDO. The activation range of most such devices is limited to a relatively short range (typically no more than about 100 feet). More recently, such systems have been included as part of an inner (i.e., rear-view) mirror assembly that may use a human-machine interface (HMI) in the form of push buttons, speakers or the like as a way to effect door opening and closing instructions while taking advantage of share components. Even more recently, vehicles have incorporated telematics systems in conjunction with global positioning systems (GPS) or other position determining devices. Such systems can use a driver's cellular telephone as a data carrier in order to ascertain a vehicle's spatial coordinates and travel direction, as well as to achieve additional wireless communication capacity, including connection to the internet to permit remote control of various suitably-connected devices or systems. The GDO is one such system that can be connected via combination of one or more of telematics, GPS and the internet to effect additional functionality.
Nevertheless, to date there has been no attempt to have a vehicular garage door system that is responsive to a change in the gear selector as a way to achieve automated opening and closing operation. Moreover, there has been no attempt to combine gear shift changes with position determining devices to effect fully automated garage door operation that takes into consideration the vehicle's spatial position relative to the door being opened and closed.
In one embodiment, a vehicular garage door operating assembly is disclosed. The assembly includes an electronic control unit (ECU), a receiver cooperative with the ECU and a GPS or related vehicular position determining system, a garage door remote control cooperative with the ECU, and a gear status indicator cooperative with a vehicular gear selector to provide indicia of a shift in gears to the garage door remote control. A control logic contained in one or both of the garage door remote control and the ECU can obtain an open or closed status of a signally-connected garage door, as well as selectively generate an instruction signal for opening or closing of such a garage door. The assembly is configured such that upon receipt of various signals that meet a predetermined criteria, the garage door remote control transmits the instruction signal for opening or closing the garage door. The received signals include as a first criterion a spatial position signal from the GPS to indicate whether the vehicle is situated within a garage. A second criterion provides an indication of a shift in gears from the gear status indicator, while the third criterion corresponds to a received status indication of whether the garage door is in an open or closed position. If all of the criteria are met, the assembly automatically opens the garage door to permit the vehicle to exit the garage. In an optional form, the spatial position criterion may be used by the control logic in conjunction with the other criteria to determine if an imminent egress maneuver by the vehicle relative to the garage is being made, undertaken or contemplated. In another optional form, the instruction signal can subsequently close the garage door automatically once the vehicle has left the garage.
In another embodiment, a vehicle is disclosed that includes a platform made up of a wheeled chassis, a motive power unit secured to and propulsively cooperative with the platform, a passenger compartment, a guidance apparatus cooperative with the wheeled chassis and a transmission with a gear selector to provide operational control of the vehicle. In addition, the vehicle includes a garage door operating assembly made up of an ECU, a receiver that is cooperative with both the ECU and a vehicular position determining system, a garage door remote control and a gear status indicator cooperative with the gear selector. The assembly is configured such that upon receipt and control logic-based processing of various signals, the garage door remote control selectively transmits the instruction signal for opening a closed, signally-connected garage door. As with the previous embodiment, the signals make up decision criteria for the control logic that is coupled to or otherwise cooperative with the ECU or related microcontroller, and include a spatial position signal from the vehicular position determining system. Another of the received signals is indicative of a shift in gears; this signal is provided by the gear status indicator that provides indicia of which of the P-R-N-D-L modes chosen by the driver through the gear selector. The received signal corresponding to the garage door status indication provides information about whether the garage door is in an open or closed position. These signals are conveyed to the ECU through the receiver, while the control logic contained within one or both of the garage door remote control and the ECU is structured to selectively generate an instruction signal for opening the garage door based on the information provided by these signals. Because data associated with the spatial position can provide proximity information as well as travel direction information (the latter including whether the vehicle is getting closer to or farther from the signally-connected garage), such data may optionally be useful to indicate that an egress maneuver by the vehicle relative to the garage is being made, contemplated or undertaken. In another optional form, the instruction signal can subsequently close the garage door automatically once the vehicle has left the garage.
In yet another embodiment, a method of automatically operating a garage door from a vehicle is disclosed. The method includes detecting various signals that—once suitably processed by the control logic contained within the control logic that is embodied within a garage door operating assembly—make up the criteria used to determine if automated opening or closing of the garage door is to be provided. The signals that make up the criteria are sensed from various sources. A first of the sources is a vehicular position determining system, where the signal corresponds to a spatial position of the vehicle relative to a garage to which the garage door is movably secured. A second of the sources is a gear status indicator that provides indicia of which gear or related transmission setting is engaged, while a third of the sources is a status indication of whether the garage door is open or closed. The method further includes using a control logic associated with an ECU to process, the first, second and third signals to determine if all of the criteria associated with the signals to open the garage door are met, and then using a garage door remote control that is coupled to the ECU to send an instruction signal to a garage door opener for the opening the garage door only if all of the criteria are met. The criteria includes having the first signal indicate that the vehicle is situated within the garage, while the second signal includes an indication that the garage door is closed and the third signal includes an indication that a shift in gears has taken place. It will be understood that additional criteria may also apply, such as having the vehicle be in an operational status, such as having its motive power unit turned on such that that an egress maneuver by the vehicle relative to the garage is imminent, having all of the passenger doors be closed, or the like.
These and additional features provided by the embodiments described herein will be more fully understood in view of the following detailed description, in conjunction with the drawings.
The embodiments set forth in the drawings are illustrative and exemplary in nature and not intended to limit the subject matter defined by the claims. The following detailed description of the illustrative embodiments can be understood when read in conjunction with the following drawings, where like structure is indicated with like reference numerals and in which:
Embodiments disclosed herein include an assembly that can be used in conjunction with a vehicle and a vehicular position determining system so that movement of the vehicle associated with changing its gear setting can be used to automatically open or close a garage door that is signally coupled to the assembly. As will be discussed in more detail herein,
Referring first to
Vehicle 100 includes a chassis 110 with a plurality of wheels 120. Chassis 110 may either be of body-on-frame or unibody construction, and both configurations are deemed to be within the scope of the present disclosure. A motive power unit 130 such as a conventional internal combustion engine (ICE), battery pack, fuel cell stack or a hybrid combination of one or more of the above may be situated in or on the chassis 110 to provide propulsive power to the vehicle 100. As shown, the motive power unit 130 is situated underneath a hood that is placed at the fore end of vehicle 100. A passenger compartment 140 is formed inside the chassis 110 and serves not only as a place to transport passengers and cargo, but also as a place from which a driver may operate vehicle 100. A transmission 150 is coupled to the motive power unit 130 such that together they form a drivetrain through which a torque may be applied to some or all of the wheels 120. In a preferred configuration, the transmission 150 is an automatic transmission; however, it will be appreciated that the assembly 1 of the present disclosure may be used in conjunction with manual transmissions as well. A guidance apparatus (which may include, among other things, steering wheel, accelerator, brakes or the like) 160 is used in cooperation with the wheels 120, motive power unit 130, transmission 150 and other systems to control movement of the vehicle 100. Within the passenger compartment 140, an inner mirror 170 (also referred to as a rearview mirror) is mounted to provide a driver with a view of what is behind vehicle 100. As will be described in more detail below, such mirror 170 may include some or all of the assembly 1 features discussed herein in order to increase its functionality.
Referring next to
Within the present context, the terms “gear shift change”, shift in gears“, shift in transmission gears”, “shift in a transmission setting” and their variants are all meant to cover situations where a driver of vehicle 100 has engaged the gear selector 500 to effect a change in the forward, backward or parking mode of operation of vehicle 100. As such, the vehicle 100 is deemed to go through such a change in gears only when the gear selector 500 has moved from one operational setting to another such that the transmission 150 recognizes or responds to the request made through the selector 500. By way of non-limiting examples, if the gear shift lever 510 of gear selector 500 is moved from PARK to REVERSE, from PARK to DRIVE, from REVERSE to DRIVE or DRIVE to REVERSE, the operational setting of the gear selector 500 (and derivatively, the transmission 150) is deemed to be suitably changed. Contrarily, a mere upshifting or downshifting that accompanies the normal progression within an automatic transmission as vehicle 100 speeds up or slows down is not deemed to constitute such a gear change as defined herein.
Although shown schematically as being within the passenger compartment 140, it will be appreciated that the ECU 200 is situated in any suitable location within vehicle 100 where access to wiring, harnesses or busses is readily available. In addition, it will be appreciated that ECU 200 may be one of many such control units within the vehicle 100, depending on the desired degree of integration or autonomy among such control units. ECU 200 is provided with one or more input/output (I/O) 210, microprocessor (CPU) 220, read-only memory (ROM) 230, random-access memory (RAM) 240, which are respectively connected by a bus to provide connectivity for a logic circuit 250 for the receipt of signal-based data, as well as the sending of commands or related instructions. Various algorithms and related control logic may be stored in the ROM 230 or RAM 240 in manners known to those skilled in the art. Thus, in one form, CPU 220 can be made to operate on the opening/closing (i.e., control) logic for garage door 20 such that individually and together the various components making up ECU 200 define the logic circuit 250 needed to provide the automated opening and closing control of the garage door 20 as discussed herein. The control logic may be embodied in an algorithm or related program code that can be manipulated or otherwise operated on by CPU 220 and then conveyed via I/O ports 210 to one or both of the receiver 300 and garage door remote control 400 the latter of which occurs when operating as an antenna as discussed below. In one form of I/O 210, signals from the interior rearview mirror 170, the garage door remote control 400, the receiver 300 and gear selector 500 are exchanged with ECU 200. Other such signals, such as an ignition signal (not shown) that indicates whether or not the engine or related motive power unit 130 is operational may also be signally provided to ECU 200 for suitable processing by the control logic.
Within the passenger compartment 140, the interior rearview mirror 170 may be configured as an assembly to include additional functionality. In one form, the mirror 170 may include electrochromic features such that it may act as a variable display; such features may include a display of compass settings 172, auto-dimming or related variations in reflectance (not shown), a message/warning indicator 173 (such as for engine warnings, door openings or other vehicular systems), backing camera (not shown) such as those associated with a reversing maneuver or other video display. Mirror 170 may have forward-and rearward-facing photocells or related sensors to measure ambient light conditions for use in such mirror-dimming, as well as for headlamp control or the like. Buttons 171 may be mounted on the mirror 170 as a form of HMI; other forms (not shown) may also be included into the housing of mirror 170, such as a microphone/speaker, display-based touch screen or the like. Likewise, control signals sent from or received by the mirror 170 may be routed through a circuit 174, which may be in the form of a wired or wireless connection between the mirror 170 and the ECU 200.
As with ECU 200, the garage door remote control 400 is notionally shown as being situated within the passenger compartment 140. It will likewise be appreciated that the garage door remote control 400 may be placed in any suitable location within vehicle 100 where simplified driver access to its one or more buttons 410 is desired. In one form, the garage door remote control 400 is a portable, battery-powered stand-alone device, while in another it can be linked through the mirror 170 so that HMI controls such as buttons 171 may act as a surrogate for buttons 410. As part of a control logic that defines the opening and closing instruction signals SI that are transmitted to the GDO 30, the garage door remote control 400 preferably provides wireless control or instruction signals SI to the GDO 30. In one form, the garage door remote control 400 is configured to operate in a radio frequency range of between 300-400 MHz with encoded hopping or rolling code technology for added operational security. Signal ranges SR (such as that shown in conjunction with
Although the microcontroller and related circuitry that makes up ECU 200 is shown in
Within the present context, it will be appreciated that the antenna depicted for each of GDO 30 and receiver 300 may be used to not only receive wireless signal, but as a transmitter of signals as well in such situations where such two-way communication is required. Likewise, although the term “receiver” is used, it will be appreciated that in situations where two-way communication is required, the receiver (such as receiver 300) may be configured as a transceiver in order to effect such two-way communication, and that both variants are deemed to be within the scope of the present disclosure.
Referring next to
Within the present context, an egress maneuver that is optionally associated with one or more of the three vehicle 100 criteria is considered to be made, undertaken, contemplated, initiated or imminent when it takes place from either within or outside but adjacent (such as on a contiguous driveway) the signally-connected garage 10 that is within the signal range SR of the garage door remote control 400, and further where a change in the gear selector 500 setting takes place to indicate that the driver intends to move the vehicle 100 away from the garage 10 and its door 20. Furthermore within the present context, an egress maneuver is deemed to be taking place or contemplated only when the vehicle 100 is in an operational (i.e., “on”) state. Thus, when the ignition is turned on such that the motive power unit 130 (whether ICE, fuel cell stack, battery pack of a hybrid combination of any of the three) is operational to provide propulsive power to vehicle 100, such egress is possible, while in situations where the ignition is turned off, no such egress is possible until such time as the ignition has been engaged Likewise, a change of gears through the gear selector 500 is deemed to have relevance to the present disclosure only when the ignition has been turned to the “on” or “start” position.
Such egress maneuver has particular relevance in two situations. First, when vehicle 100 is in the garage 10 and the driver wants to move the vehicle 100 out, the receipt by the ECU 200 of a signal from the gear selector 500 to shift the transmission 150 into REVERSE (in situations where the rear of vehicle 100 is adjacent the closed garage door 20) or into DRIVE (in situations where the front of vehicle 100 is adjacent the closed garage door 20) in order to effect corresponding movement of vehicle 100.
Second, once the vehicle 100 has been moved out of the garage 10, there may be circumstances where it is desirable to have the garage door 20 close automatically, such as once the vehicle 100 making the egress has traversed a certain predetermined distance from the garage 10 (such as leaving an associated driveway or travelling down an adjacent street). Because the assembly 1 remains in communication with GPS 800 or other vehicle spatial position determining system (assuming no visual range obstruction such as a tunnel or the like), the received first signal may also be used by the control logic that is contained within any or all of the ECU 200, garage door remote control 400 and mirror 170. This signal in turn may be used to alert the assembly 1 that the vehicle is moving away from the garage door that just opened, and that it is now necessary to perform an opposite automatic closing operation. It will be appreciated that the use of such a signal to perform an optional closing of the garages door 20 once the vehicle 100 has traversed such a distance away from the garage preferably needs to be coordinated with the operation of the garage door remote control 400 to ensure that the vehicle 100 is within the signal range SR. As mentioned above, in situations where the signal ranges SR for the garage door remote control 400 are between about 25 feet and 100 feet, it would be necessary to have such predetermined distance be less than that so that a door closure instruction signal can be sent prior to vehicular attainment of a distance farther away. In addition, the predetermined distance that triggers the garage door 20 closure signal may be made to have a manual override for those circumstances where it is desired to leave the garaged door 20 remain open even as the vehicle 100 moves away from the garage 10. Of course, in situations where a telematics system or related cellular or internet-based wireless communication can be provided between the vehicle 100 and the GDO 30, the signal range SR may no longer be a limiting factor in how long such a predetermined egress distance is in order to effect door 20 closure. Instead of using the GPS 800 to determine the spatial position of vehicle 100 (including its position relative to garage 10), in another embodiment, autonomous ascertainment of such a predetermined distance may be made through an INS, odometer or a signal-generating device (such as a radar-or infrared-based sensor) in order to trigger the automatic closing of the garage door 20 once the vehicle has left the garage 10 and made an additional egress maneuver. All such ways to acquire the predetermined distance are deemed to be within the scope of the present disclosure.
Further within the present context, all three criteria associated with signals received by and processed within the ECU 200 or related logic-based microcontroller act as a necessary precursor for the automated garage door opening or closing disclosed herein. This includes not just the signal corresponding to vehicle 100 egress maneuvers, but also the signal corresponding to the status indication of the garage door 20 and the signal corresponding to a shift in gears from the gear status indicator.
Referring next to
Starting with step 910, a determination is made at step 920 to ascertain whether vehicle 100 is operational, such as by having its motive power unit 130 running or having its ignition in either the ON or ACCESSORY position. In situations where the vehicle 100 is not operational, the control logic 900 goes into a WAIT status until such time as the vehicle 100 does become operational. At step 930, signals are received (such as from GPS 800) through receiver 300 to provide spatial position of vehicle 100 in a manner well-known in the GPS art. Such signal-based acquisition of the spatial position of vehicle 100 corresponds to the first signal being conveyed to the ECU 200. This provides indicia of where vehicle 100 is presently such that if it is within a signally coupled garage 10 as indicated at step 940, then a determination may be made at step 950 to see if the garage door 20 is open or not. This determination corresponds to the second signal being conveyed to the ECU 200 and that is used to provide a status indication of the garage door 20. Within the present context, a signally coupled garage is one that has a GDO 30 that is operatively paired to the garage door remote control 400 through a unique coding arrangement (such as through matched identification with suitable rolling codes or related security features) so that through normal operation of the garage door remote control 400, the GDO 30 responds by opening or closing the garage door 20 as needed. In a preferred form, the security-based features of the signally coupled relationship between the garage door remote control 400 and the GDO 30 prevent unauthorized opening or closing of the garage door 20 by others. In situations where the garage door 20 is determined to already be open, the control logic 900 returns to the WAIT status until a subsequent event occurs. Contrarily, in situations where the garage door 20 is determined to be closed, the control logic 900 proceeds to step 960 in order to determine if a shift in gear selection through gear selector 500 (such as through movement of the gear shift lever 510 from PARK to REVERSE or from PARK to DRIVE as discussed above) has occurred. If so, which corresponds to the third signal being conveyed to the ECU 200, then all three signal criteria are met such that at step 980 an instruction signal is sent by the ECU 200 to the GDO 30 to instruct it to have its power source, motorized drive unit, transceiver and linkage operate to open the garage door 20. Significantly, it is preferable to have an alarm or related warning as shown in step 970 be deployed in situations where the vehicle 100 is deemed to be both operational and within an enclosed garage 10, at least in vehicle 100 configurations where the motive power unit 130 is an ICE, as otherwise, an undesirable level of carbon monoxide may start to form. Although not shown, such a warning or alarm may be accompanied with one or both of a vehicular ignition shutoff function and an automated garage door 20 opening function the latter of which would be based on the door opening function of step 980. Regardless of whether the inquiry from step 940 is or is not satisfied, the control logic 900 proceeds to step 990 to ascertain whether the vehicle 100 is moving away from the garage 10. If so, then at step 1000 an inquiry is placed as to whether a threshold minimum distance between the vehicle 100 and the GDO 30 has been attained to provide indicia of the driver's desire to move away from the garage 10. If, so, the control logic 900 can instruct the GDO 30 to automatically close the garage door 20 at step 1010. Control logic 900 may also be built into the garage door remote control 400 so that in situations where the garage door 20 may already be closed (for example, in circumstances where the vehicle 100 was parked outside of the garage 10 prior to being started), no such signal such as that of step 1010 need be sent. Likewise, if the garage door remote control 400 does not include such logic, then an additional inquiry similar to that of step 950 may be included interstitially between steps 990 and 1000 in order to moot steps 1000 and 1010; either variant is deemed to be within the scope of the present disclosure. As indicated above, the steps 990 through 1010 associated with closing an open garage door 20 once vehicle 100 has made an egress maneuver from garage 20 and is continuing to move away from garage 10, are optional, and as such may not in certain circumstances be needed as part of the control logic 900.
Importantly, in situations where vehicle 100 is being pulled into garage 10 where door 20 is open, an interlock system may be included to prevent an automatic garage door closure until such time as the motive power unit 130 has been turned off. Thus by way of example, leaving the garage door 20 open during the time where the vehicle 100 is pulled into the garage 10 and switched into PARK mode will prevent an inadvertent buildup of carbon monoxide within the space defined by the garage 10. This distinguishes those situations where the egress maneuver by vehicle 100 has merely ceased temporarily, such as by application of the brakes with enough force to overcome the fluid coupling between the motive power unit 130 and the transmission 150 through a torque converter (not shown). It will be appreciated that such an interlock may only be necessary in situations where the architecture for the motive power source 130 is based on an ICE, as fuel cell stack or battery pack configurations do not emit an appreciable amount of carbon monoxide.
It is noted that the terms “substantially” and “about” may be utilized herein to represent the inherent degree of uncertainty that may be attributed to any quantitative comparison, value, measurement, or other representation. These terms are also utilized herein to represent the degree by which a quantitative representation may vary from a stated reference without resulting in a change in the basic function of the subject matter at issue.
While particular embodiments have been illustrated and described herein, it should be understood that various other changes and modifications may be made without departing from the spirit and scope of the claimed subject matter. Moreover, although various aspects of the claimed subject matter have been described herein, such aspects need not be utilized in combination. It is therefore intended that the appended claims cover all such changes and modifications that are within the scope of the claimed subject matter.
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