Changjian LIU

Person

Ningde City, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Detection circuit and detection method of electrical control device...
- Patent number 12,025,666
- Issue date Jul 2, 2024
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Yanhui Fu
- G05 - CONTROLLING REGULATING
Information Patent Grant
Drive circuit
- Patent number 11,996,833
- Issue date May 28, 2024
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Jirong Huo
- B60 - VEHICLES IN GENERAL
Information Patent Grant
High-voltage interlocking device and method for detecting the high-...
- Patent number 11,927,639
- Issue date Mar 12, 2024
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Weiqiang Li
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electrical control device detection circuit, detection method, and...
- Patent number 11,867,748
- Issue date Jan 9, 2024
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Baohai Du
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method for monitoring insulation monitoring circuit and battery man...
- Patent number 11,852,670
- Issue date Dec 26, 2023
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Meng Li
- B60 - VEHICLES IN GENERAL
Information Patent Grant
High voltage interlock device and detection method thereof
- Patent number 11,549,999
- Issue date Jan 10, 2023
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Qi Xiao
- B60 - VEHICLES IN GENERAL
Information Patent Grant
High voltage interlock circuit and detection method thereof
- Patent number 11,413,965
- Issue date Aug 16, 2022
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Yanhui Fu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
High-voltage interlock device and fault detection method thereof
- Patent number 11,366,462
- Issue date Jun 21, 2022
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Weiqiang Li
- G05 - CONTROLLING REGULATING
Information Patent Grant
High voltage interlock circuit and detection method
- Patent number 11,320,481
- Issue date May 3, 2022
- Contemporary Amperex Tectaology Co., Limited
- Jinglin Li
- B60 - VEHICLES IN GENERAL
Information Patent Grant
System and method for providing a constant power source
- Patent number 11,303,215
- Issue date Apr 12, 2022
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Liansong Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wake-up method and wake-up system for battery management system
- Patent number 11,171,569
- Issue date Nov 9, 2021
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Liansong Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery pack management system and control method thereof
- Patent number 11,031,789
- Issue date Jun 8, 2021
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Fupeng Cai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sampling detection circuit and method for detecting a circuit malfu...
- Patent number 10,725,114
- Issue date Jul 28, 2020
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Fuming Ye
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
HIGH VOLTAGE INTERLOCK DEVICE AND DETECTION METHOD THEREOF
- Publication number 20220291295
- Publication date Sep 15, 2022
- Contemporary Amperex Technology Co., Limited
- Qi Xiao
- B60 - VEHICLES IN GENERAL
Information Patent Application
DRIVE CIRCUIT
- Publication number 20220270838
- Publication date Aug 25, 2022
- Contemporary Amperex Technology Co., Limited
- Jirong Huo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DRIVE CIRCUIT
- Publication number 20220255546
- Publication date Aug 11, 2022
- Contemporary Amperex Technology Co., Limited
- Jirong HUO
- B60 - VEHICLES IN GENERAL
Information Patent Application
DETECTION CIRCUIT AND DETECTION METHOD OF ELECTRICAL CONTROL DEVICE...
- Publication number 20220229112
- Publication date Jul 21, 2022
- Contemporary Amperex Technology Co., Limited
- Yanhui FU
- G05 - CONTROLLING REGULATING
Information Patent Application
METHOD FOR MONITORING INSULATION MONITORING CIRCUIT AND BATTERY MAN...
- Publication number 20220113344
- Publication date Apr 14, 2022
- Contemporary Amperex Technology Co., Limited
- Meng LI
- B60 - VEHICLES IN GENERAL
Information Patent Application
ELECTRICAL CONTROL DEVICE DETECTION CIRCUIT, DETECTION METHOD, AND...
- Publication number 20220107353
- Publication date Apr 7, 2022
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Baohai Du
- B60 - VEHICLES IN GENERAL
Information Patent Application
HIGH-VOLTAGE INTERLOCKING DEVICE AND METHOD FOR DETECTING THE HIGH-...
- Publication number 20220018905
- Publication date Jan 20, 2022
- Contemporary Amperex Technology Co.,Limited
- Weiqiang LI
- B60 - VEHICLES IN GENERAL
Information Patent Application
HIGH VOLTAGE INTERLOCK CIRCUIT AND DETECTION METHOD THEREOF
- Publication number 20220009351
- Publication date Jan 13, 2022
- Contemporary Amperex Technology Co., Limited
- Yanhui FU
- B60 - VEHICLES IN GENERAL
Information Patent Application
HIGH-VOLTAGE INTERLOCK DEVICE AND FAULT DETECTION METHOD THEREOF
- Publication number 20220011762
- Publication date Jan 13, 2022
- Contemporary Amperex Technology Co., Limited
- Weiqiang LI
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR PROVIDING A CONSTANT POWER SOURCE
- Publication number 20210119547
- Publication date Apr 22, 2021
- Contemporary Amperex Technology Co., Limited
- Liansong Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
WAKE-UP METHOD AND WAKE-UP SYSTEM FOR BATTERY MANAGEMENT SYSTEM
- Publication number 20210119549
- Publication date Apr 22, 2021
- Contemporary Amperex Technology Co., Limited
- Liansong Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HIGH VOLTAGE INTERLOCK CIRCUIT AND DETECTION METHOD
- Publication number 20200274289
- Publication date Aug 27, 2020
- Contemporary Amperex Technology Co., Limited
- Jinglin Li
- B60 - VEHICLES IN GENERAL
Information Patent Application
SAMPLING DETECTION CIRCUIT AND METHOD FOR DETECTING A CIRCUIT MALFU...
- Publication number 20200025833
- Publication date Jan 23, 2020
- Contemporary Amperex Technology Co., Limited
- Fuming YE
- G01 - MEASURING TESTING
Information Patent Application
BATTERY PACK MANAGEMENT SYSTEM AND CONTROL METHOD THEREOF
- Publication number 20200006955
- Publication date Jan 2, 2020
- Contemporary Amperex Technology Co., Limited
- Fupeng CAI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Changjian LIU

Person

Patents Grantslast 30 patents

Detection circuit and detection method of electrical control device...

Drive circuit

High-voltage interlocking device and method for detecting the high-...

Electrical control device detection circuit, detection method, and...

Method for monitoring insulation monitoring circuit and battery man...

High voltage interlock device and detection method thereof

High voltage interlock circuit and detection method thereof

High-voltage interlock device and fault detection method thereof

High voltage interlock circuit and detection method

System and method for providing a constant power source

Wake-up method and wake-up system for battery management system

Battery pack management system and control method thereof

Sampling detection circuit and method for detecting a circuit malfu...

Patents Applicationslast 30 patents

HIGH VOLTAGE INTERLOCK DEVICE AND DETECTION METHOD THEREOF

DRIVE CIRCUIT

DRIVE CIRCUIT

DETECTION CIRCUIT AND DETECTION METHOD OF ELECTRICAL CONTROL DEVICE...

METHOD FOR MONITORING INSULATION MONITORING CIRCUIT AND BATTERY MAN...

ELECTRICAL CONTROL DEVICE DETECTION CIRCUIT, DETECTION METHOD, AND...

HIGH-VOLTAGE INTERLOCKING DEVICE AND METHOD FOR DETECTING THE HIGH-...

HIGH VOLTAGE INTERLOCK CIRCUIT AND DETECTION METHOD THEREOF

HIGH-VOLTAGE INTERLOCK DEVICE AND FAULT DETECTION METHOD THEREOF

SYSTEM AND METHOD FOR PROVIDING A CONSTANT POWER SOURCE

WAKE-UP METHOD AND WAKE-UP SYSTEM FOR BATTERY MANAGEMENT SYSTEM

HIGH VOLTAGE INTERLOCK CIRCUIT AND DETECTION METHOD

SAMPLING DETECTION CIRCUIT AND METHOD FOR DETECTING A CIRCUIT MALFU...

BATTERY PACK MANAGEMENT SYSTEM AND CONTROL METHOD THEREOF