Voltage-deviation detecting and adjusting system for balance module of battery

• US 9,971,367 B2
• Filed: 12/25/2015
• Issued: 05/15/2018
• Est. Priority Date: 12/25/2014
• Status: Active Grant

• Current Assignee: Longhai Xieneng New Energy Technology Co., Ltd.
• Original Assignee: Hangzhou Xieneng Technology Co., Ltd.
• Inventors: Zhou, Xunwei, Hua, Dashou, Xi, Danji, Wang, Liqin
• Primary Examiner(s): Moody, Kyle J
• Assistant Examiner(s): Gibson, Demetries A
• Application Number:
  US15/629,637
• Publication Number:
  US 20180039294A1
• Time in Patent Office: 872 Days
• CPC Class Codes: G05F 1/46 wherein the variable actually regulated by the final control device is dc G05F1/625 takes precedence
• CPC Class Codes: H01M 10/4285 Testing apparatus
• CPC Class Codes: H01M 10/441 for several batteries or cells simultaneously or sequentially
• CPC Class Codes: H01M 10/482 for several batteries or cells simultaneously or sequentially
• CPC Class Codes: H01M 2010/4271 Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
• CPC Class Codes: H02J 2207/20 Charging or discharging characterised by the power electronics converter
• CPC Class Codes: H02J 7/00 Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• CPC Class Codes: H02J 7/0014 Circuits for equalisation of charge between batteries
• CPC Class Codes: H02J 7/0071 with a programmable schedule
• CPC Class Codes: H02M 1/0016 Control circuits providing compensation of output voltage deviations using feedforward of disturbance parameters
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

Disclosed a voltage-deviation detecting and adjusting system for a balance module of a battery. The voltage-deviation detecting and adjusting system comprises the balance module being adjusted and connected to a main control board which automatically adjusts voltage deviation of an output voltage adjusting from the balance module; a direct-current programmable power supply for supplying power is further connected to the main control board, the main control board comprises a single-chip microcontroller, the single-chip microcontroller is connected with a voltage sampling module which is for obtaining an input voltage and an output voltage of the balance module by sampling and then outputting the input voltage and the output voltage to the single-chip microcontroller, and a voltage adjusting module for adjusting the output voltage of the balance module after receipt of an acquired signal of a voltage deviation value, wherein, after comparing the input voltage and the output voltage of the balance module sampled by the voltage sampling module, the single-chip microcontroller outputs the signal of the voltage deviation value to the voltage adjusting module, and the voltage adjusting module adjusts the output voltage of the balance module to be consistent with the input tape of the balance module in accordance with the voltage deviation value.

Claims

1. A voltage-deviation detecting and adjusting system for a balance module of a battery, wherein said system comprises:

said balance module being adjusted and connected to a main control board which automatically adjusts voltage deviation of an output voltage adjusting from said balance module,

a direct-current programmable power supply for supplying power is further connected on said main control board for automatically adjusting voltage deviation,

wherein said main control board comprises a single-chip microcontroller, said single-chip microcontroller is connected with a voltage sampling module which is for obtaining an input voltage and an output voltage of said balance module by sampling and then outputting said input voltage and said output voltage to said single-chip microcontroller, and a voltage adjusting module for adjusting said output voltage of said balance module after receipt of an acquired signal of a voltage deviation value, wherein, after comparing said input voltage and said output voltage of said balance module sampled by said voltage sampling module, said single-chip microcontroller outputs said signal of said voltage deviation value to said voltage adjusting module, and said voltage adjusting module adjusts said output voltage of said balance module to be consistent with said input voltage of said balance module in accordance with said voltage deviation value.

2. The voltage-deviation detecting and adjusting system according to claim 1, wherein said balance module is provided with a plurality of boost fuses connected in parallel, each of which is used for increasing said output voltage after blown out, and a plurality of buck fuses connected in parallel, each of which is used for reducing said output voltage after blown out.

3. The voltage-deviation detecting and adjusting system according to claim 2, wherein said voltage adjusting module comprises a voltage adjusting and controlling module which is connected to said single-chip microcontroller, said voltage adjusting and controlling module is connected to a voltage adjustment mode entering switch, a selector switch and a blowing switch, said voltage adjustment mode entering switch is controlled by said voltage adjusting and controlling module to enable an adjusting mode, said selector switch is controlled by said voltage adjusting and controlling module to select respective one of said plurality of boost fuses or respective one of said plurality of buck fuses according to said voltage deviation value, and said blowing switch is controlled by said voltage adjusting and controlling module to output a blowing out signal to said balance module for blowing out respective one of said plurality of boost fuses and buck fuses.

4. The voltage-deviation detecting and adjusting system according to claim 1, wherein said main control board comprises a multi-channel power supply which is connected to said direct-current programmable power supply, said multi-channel power supply is connected to said single-chip microcontroller, said voltage sampling module and said voltage adjusting module, respectively.

5. The voltage-deviation detecting and adjusting system according to claim 1, wherein said main control board comprises a dial switch for selecting a type and an operation manner of said balance module, a plurality of indicating lamps for showing operation statuses of said main control board and a buzzer for alarming.

6. The voltage-deviation detecting and adjusting system according to claims 1, wherein a personal computer, which is used for printing display data and outputs orders to said main control board, is connected to said main control board.