1. Technical Field
The present invention relates to electric power transmission modules, and more particularly to a pliable object having a low-profile power-coupling transmission module.
2. Description of Related Art
As referred to herein, a pliable object means an object made of fabric or nylon fiber, such as a human wearable article, an umbrella, a tent, etc. Some of such objects are desired to provide lighting, heating and/or cooling functions for the users' safety and comfort. In order to endow a pliable object with any of the lighting, heating and cooling functions, the installation of an electronic device is indispensible. Such an electronic device is usually powered by electricity from a mobile power bank or something alike. As known, a mobile power bank is a device storing power and acting as an on-the-go charger so that its user is freed from the trouble finding a wall socket anywhere when the power in his/her mobile device is running low. The mobile power bank is also advantaged by the fact that the mobile device getting charged can be moved instead of being stuck to the immovable wall socket. It has been seen that some manufacturers combine a mobile power bank with a pliable object that is equipped with an electronic device. In these combinations, the pliable object has its electronic device electrically connected to the mobile power bank through a conducting wire, so that the electronic device is enabled to receive power from the mobile power bank and provide its intended function(s). However, since the pliable object is something subject to users' wear, to water wash, to the weather and to pulling, dragging and bending, its parts and/or welds connecting to or from the electronic device tend to be wetted or damaged. In this case, once the electronic device is electrified by the mobile power bank, a risk of a short circuit and even fire appears. Furthermore, currently, the connection between the mobile power bank and the device to be charged can only be established using a transmission cord. That means once the user leaves the cord behind or loses it outside, the desired charging becomes impossible, which is very inconvenient.
For improving the shortcomings related to the existing mobile power bank as discussed above, some manufacturers have developed wireless charging devices. Such a wireless charging device is typically constructed from a coil module having copper windings and a charging module fixed to a rigid substrate, and provides charging functions using electromagnetic induction. However, the brittle and inflexible substrate makes the overall charging module bulky and space-consuming, and likely to break apart when being accidentally fallen or receiving impacts and lose its charging function. In view of the shortcomings of the prior-art devices, the inventor of the present invention has made improvements thereto and developed a pliable sensing board for wireless power transmission. The pliable sensing board has its components made of pliable materials, so the whole assembly is flexible and unbreakable. Nevertheless, its charging function still requires an external power source, making it somehow inconvenient to users. With this observation, the inventor of the present invention recognizes the needs for further improving the known mobile power banks, pliable objects having electronic devices, and pliable sensing boards for wireless charging and provides a novel device herein.
The primary objective of the present invention is to provide a pliable object having a low-profile power-coupling transmission module, which realizes wireless power supply while being low profile and unbreakable. As the power-coupling transmission module is made of a pliable material, it can be applied to various pliable objects and is advantageously crushproof, shatterproof, bend-proof, waterproof and sealing. For achieving the objective, the disclosed pliable object comprises: a pliable body, having a fixing portion and a receiving pocket both at an identical side of the pliable body; a primary inductive power module, having a battery connected to a primary induction coil that has concentric windings, and having a primary induction patch that is deposited at one side of the primary induction coil and is flexible and effective in shielding permeance and isolating magnetic fields, and being received in the receiving pocket; a secondary induction module, being fixed to the fixing portion of the pliable body, having a secondary induction patch that is flexible and effective in shielding permeance and isolating magnetic fields, a secondary induction coil that is at the same side of the secondary induction module with the secondary induction patch and has concentric windings, and an acting member deposited on the pliable body and electrically connected to the secondary induction coil.
In the disclosed pliable object, the secondary induction module is fixed to the fixing portion of the pliable body and is electrically connected to the secondary induction module. When using it, a user may place the primary inductive power module into the receiving pocket of the pliable body, and align the primary inductive power module with the secondary induction module, so that magnetic coupling is established between the primary induction coil and the secondary induction coil, allowing the power in the battery to be transmitted to the secondary induction coil through the primary induction coil in a wireless manner, thereby powering the acting member to function as intended. Thus, the present invention realizes wireless power supply using the primary inductive power module and the secondary induction module, and endows the device with a lower profile, while speeding up wireless power transmission as compared to the prior art. Additionally, since the secondary induction module is flexible, it is applicable to various pliable object without the concern of breakage while being advantageously crushproof, shatterproof, bend-proof, waterproof and sealing.
The pliable body 10, as also shown in
The primary inductive power module 20 has a battery 21. The battery 21 is connected to a primary induction coil 22. The primary induction coil 22 has concentric windings. A primary induction patch 23 is provided at one side of the primary induction coil 22. In the present embodiment, the primary induction patch 23 is a flexible, pliable sheet in the form of a spacing member, a shielding member or a separating member. The primary induction patch 23 is made of iron powder cement and aluminum. The iron powder cement has permeability, and is resistant to electromagnetic interference and to magnetic leakage, while aluminum is effective in isolating magnetic fields.
The casing 30, as shown in
The secondary induction module 40 is fixed to the fixing portion 11 of the pliable body 10, and includes a secondary induction patch 41. The secondary induction module 40 has a secondary induction coil 42 at one side of the secondary induction patch 41. The secondary induction coil 42 has concentric windings. In the present embodiment, the secondary induction patch 41 is a flexible, pliable sheet in the form of a spacing member, a shielding member or a separating member. The secondary induction patch 41 is made of iron powder cement and aluminum. The iron powder cement has permeability, and is resistant to electromagnetic interference and to magnetic leakage, while aluminum is effective in isolating magnetic fields.
The acting member 50 is deposited on the pliable body 10 and electrically connected to the secondary induction coil 42. In the present embodiment, the acting member 50 is one driven by electric power such as an LED lamp, sound-giving member, a fan, a sensor, etc.
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It is to be noted that, when the battery 21 of the primary inductive power module 20 runs out of power, the primary inductive power module 20 can be charged by a wireless charging device, making the primary inductive power module 20 act as a portable wireless inductive battery. Additionally, the primary inductive power module 20 may further have a solar panel that charges the battery 21, thereby making the device green and friendly to the environment. Besides, the upper cover 31 has its side provided with the socket 311, and the socket 311 is electrically connected to the battery 21, so the battery 21 in the primary inductive power module 20 can be conveniently charged by the grid through a charging cable.