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Multi-path relay interlocking circuit and device

A relay interlock and relay technology, applied in battery circuit devices, circuit devices, charge equalization circuits, etc., can solve the problems of battery pack short circuit, interference, misconduction of drive tubes, etc., and achieve the effect of low cost

Active Publication Date: 2020-09-22
HANGZHOU GOLD ELECTRONICS EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, a possible risk is brought. Although the relay controller has an anti-misoperation design, the battery pack monitoring module will still interfere with the drive tube of the relay under strong interference such as surges, causing the drive tube to be misconducted and causing Serious consequences of partial short circuit of the battery pack

Method used

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  • Multi-path relay interlocking circuit and device
  • Multi-path relay interlocking circuit and device
  • Multi-path relay interlocking circuit and device

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Embodiment Construction

[0025] The specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings.

[0026] Such as figure 2 As shown in this application above Figure three Take the battery pack as an example, from left to right are the controller, 3 sets of relay drive circuits, and 3 battery packs.

[0027] The main components of the drive circuit:

[0028]

[0029]

[0030] The output ports I-K1, I-K2, and I-K3 of the controller correspond to I-K1, I-K2, and I-K3 of the three drive circuits respectively. The port numbers O-K1, O-K2, and O-K3 respectively correspond to the input ports of the coils of the three relays K1, K2, and K3.

[0031] A pair of static points of the 3 double-pole normally open relays are connected to the positive and negative terminals B+ and B- of the common channel at the same time.

[0032] D1, D2, D3, D4, D5, and D6 are fast switching diodes, with the first drive unit as a column: the ...

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Abstract

The invention relates to the field of battery pack charging, in particular to a battery pack charging multipath relay interlocking circuit and device. The multipath relay interlocking circuit comprises a double-pole normally open relay, a plurality of diodes, a driving P-type MOS tube and a driving isolation resistor R1. The driving isolation resistor is connected with the output port; the plurality of diodes are used for subtracting one diode cathode from the number of batteries of the battery pack monitoring module, and are connected in parallel and drive the G pole of the P-type MOS tube Q1to form an OR relationship; the driving isolation resistor R1 is connected with the G pole of the driving P-type MOS tube; and the D pole of the driving P-type MOS tube is connected with a power supply input VCC. According to the invention, an interlocking function is added on the basis of self-locking of the decoder adopted by the drive circuit.

Description

technical field [0001] The present application relates to the field of battery pack charging, in particular to a battery pack charging multi-channel relay interlock circuit and device. Background technique [0002] Whether it is a power substation, a communication / IDC computer room, a communication base station, a railway / rail transit signal system or an uninterruptible power supply (UPS), the battery pack plays an extremely important role in the system as a backup power supply, but due to long-term floating charging operation, Some battery life may decay faster. Therefore, the battery pack monitoring module in the current backup power supply generally has charging and discharging maintenance functions, and the startup has a certain maintenance effect on the batteries in the battery pack. [0003] However, considering the size and cost, most of them adopt a common channel solution to realize the maintenance function of each battery. That is to say, only one battery in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02J9/06
CPCH02J7/0069H02J7/0047H02J7/0019H02J9/06
Inventor 夏建兵杨煜光蔡景国夏晨强林存业钱程隆
Owner HANGZHOU GOLD ELECTRONICS EQUIP CO LTD
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