Battery slave control module with golden finger PCB and connector structure

Abstract

The utility model relates to a battery slave control module and connector structure with a golden finger PCB, comprising a PCB slave control module and a battery FPC acquisition board, the end portion of the PCB slave control module is provided with a PCB golden finger bonding pad, and the PCB golden finger bonding pad is provided with a plurality of conductive strips arranged at intervals; the end part of the battery FPC acquisition board is provided with a golden finger connector, the golden finger connector is provided with a slot, and the slot is internally provided with a plurality of elastic plug reeds which are arranged at intervals; and the PCB golden finger bonding pad is directly inserted into the golden finger connector slot, so that the elastic inserting reed is communicated with the conductive strip. According to the utility model, the connection structure of the acquisition wire harness and the slave control module is optimized, and a traditional connector and a traditional switching wire harness are omitted, so that the material cost is reduced, and the system integration level and the signal reliability are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to battery management technical field, especially relate to a battery slave control module and connector structure with golden finger PCB. BACKGROUND

[0002] In the management of energy storage system and new energy automobile battery, the collection line of battery voltage, temperature and other signals needs to be reliably connected with the battery management module (such as battery management slave control unit). The traditional scheme usually connects the sampling point at the battery end to the battery management module (such as the PCB of the battery management slave control unit) through a wire harness. The wire harness and the battery management module are connected by a male connector and a female connector to realize plugging.

[0003] In the energy storage system and new energy automobile, the number of battery applications is large, and the general battery management module (such as the battery management slave control unit) has a limit on the number of managed batteries. Therefore, a large number of male and female connectors and a large number of wire harnesses need to be configured according to the number of batteries and the number of samples. The use of male and female connectors and a large number of wire harnesses results in high cost and low connection integration.

[0004] CN118646444B discloses a communication system of an energy storage battery and a communication method thereof and a vehicle, the energy storage battery comprising a battery cluster; the energy storage battery comprises a battery cluster; the battery cluster comprises a plurality of battery packs connected in series between the positive and negative terminals of the battery cluster, a power line is connected between adjacent two battery packs, a power line is connected between the positive electrode of the first battery pack and the positive terminal of the battery cluster, and a power line is connected between the negative electrode of the last battery pack and the negative terminal of the battery cluster; the communication system of the energy storage battery comprises: a plurality of control modules, the plurality of control modules comprising a master control module and a slave control module corresponding to each battery pack; any one of the control modules is arranged on any one of the power lines; the master control module and any one of the slave control modules interact information through the power line by using a carrier signal; the control module comprises a control unit, a modulation and demodulation unit and an information coupling unit; the modulation and demodulation unit is connected with the control unit and the information coupling unit respectively, the modulation and demodulation unit is used for modulating the signal output by the control unit into a carrier signal, and is also used for demodulating the carrier signal received by the information coupling unit and transmitting to the control unit; the information coupling unit is also connected with the power line connected with the control module to which the information coupling unit belongs, the information coupling unit is used for receiving the carrier signal on the power line, and is also used for transmitting the carrier signal generated by the modulation and demodulation unit to the power line; the information coupling unit comprises a coil and a magnetic ring, the input end of the coil is connected with the modulation and demodulation unit, and the coil is arranged on the magnetic ring; the magnetic ring is sleeved on the power line connected with the control module; at least one control module is arranged on part of the power lines, and the remaining power lines are not provided with control modules, or one control module is arranged on any power line. It relies on the power line for signal transmission, and no communication wire harness is used, however, it still needs to use more power lines, and the manufacturing cost and the volume to be occupied are still large.

[0005] Therefore, there is an urgent need for a low-cost and high-integration connection scheme. Practical new type content

[0006] In order to solve the problems in the prior art, the battery slave control module with a golden finger PCB and the connector structure are provided, the connection structure of the acquisition wire harness and the slave control module is optimized, the traditional connector and the adapter wire harness are omitted, the material cost is reduced, and the system integration is improved.

[0007] The utility model provides a kind of battery slave control module and connector structure with golden finger PCB, including PCB slave control module and battery FPC (Flexible Printed Circuit, flexible circuit board) acquisition board, the end of the PCB slave control module is equipped with PCB golden finger pad, the PCB golden finger pad is equipped with several interval arrangement's conductive strip;The end of the battery FPC acquisition board is equipped with golden finger connector, the golden finger connector is equipped with slot, and the slot is equipped with several interval arrangement's elastic spring leaf;The PCB golden finger pad and golden finger connector slot are directly inserted, so that elastic spring leaf and conductive strip are communicated. By directly designing PCB golden finger pad on the PCB of slave control module, replace traditional female connector, PCB golden finger pad and golden finger connector are directly inserted, eliminate male and female connector and adapter wire harness, signal path is shortened, and impedance is reduced. Stable contact is realized by the pressure of elastic spring leaf in golden finger connector slot.

[0008] Preferably, the PCB slave control module surface is provided with a solder resist layer, the end of the PCB slave control module is provided with alternately arranged windowed area and non-windowed area, the surface of the windowed area is treated by windowing process, the solder resist layer is removed and gold plated in the contact area with the elastic spring leaf of the golden finger connector to form the PCB golden finger pad, and the non-windowed area retains the solder resist layer for insulation.

[0009] Preferably, the golden finger connector is coated with a golden finger connector shell. The golden finger connector is insulated.

[0010] The utility model has the following technical effects:

[0011] 1. By directly designing PCB golden finger pad structure on the PCB of slave control module, replace traditional female connector, PCB golden finger pad and golden finger connector are directly inserted, eliminate male and female connector and adapter wire harness, signal path is shortened, and impedance is reduced.

[0012] 2. Stable contact is realized by the pressure of elastic spring leaf in golden finger connector slot.

[0013] 3. PCB golden finger pad and golden finger connector are directly inserted to eliminate connector and wire harness, so that material cost is reduced, and production cost is lowered;The acquisition wire harness and slave control module are designed integrally, the volume is greatly reduced, and the device integration is improved;The connection node is reduced, the signal transmission stability is improved, the reliability is enhanced;Plug-in installation is not necessary for welding or crimping process, and the assembly process is simplified. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is not inserted into the golden finger connector of the PCB golden finger pad of the utility model, and the schematic diagram is shown.

[0015] Figure 2 It is the PCB gold finger pad and gold finger connector insertion state schematic view of the utility model;

[0016] Figure 3 It is the PCB slave control module structure schematic view of the utility model;

[0017] Figure 4 It is the gold finger connector structure schematic view.

[0018] In the drawing: 1, PCB slave control module;11, windowed area;12, non-windowed area;2, battery FPC acquisition board;21, gold finger connector;22, elastic spring sheet;23, gold finger connector glue shell. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the utility model is specifically described below in combination with the drawings.

[0020] As Figure 1 , Figure 2 Indicated, a kind of battery slave control module with gold finger PCB and connector structure, including PCB slave control module 1 and battery FPC (Flexible Printed Circuit, flexible circuit board) acquisition board 2;As Figure 3 Indicated, the end of the PCB slave control module 1 is equipped with PCB gold finger pad, the PCB gold finger pad is equipped with several interval arrangement conductive strips;As Figure 4 Indicated, the end of the battery FPC acquisition board 2 is equipped with gold finger connector 21, the gold finger connector 21 is equipped with slot, the slot is equipped with several interval arrangement elastic spring sheet 22;The PCB gold finger pad and gold finger connector 21 slot are directly inserted, so that elastic spring sheet 22 and conductive strip are communicated.By directly designing PCB gold finger pad on the PCB of slave control module, replace traditional female connector, PCB gold finger pad and gold finger connector 21 are directly inserted, eliminate male and female connector and adapter wire harness, signal path shortens, impedance reduces.Stable contact is realized by the pressure of elastic spring sheet 22 in the slot of gold finger connector 21.PCB gold finger pad and gold finger connector 21 are directly inserted to eliminate connector and wire harness, so that material cost is reduced, production cost is reduced;Acquisition wire harness and slave control module are integrally designed, and volume is greatly reduced, and device integration is improved;Reduce connection node, signal transmission stability improves, reliability enhances;Plug-in installation, without welding or crimping process, simplify assembly process.

[0021] The PCB slave control module is provided with a solder resist layer on the surface, and the end of the PCB slave control module 1 is provided with alternatingly arranged windowed areas 11 and non-windowed areas 12, the surface of the windowed areas 11 is subjected to a windowing process, the solder resist layer is removed and gold plating is performed on the contact area of the gold finger connector 21 to form a PCB gold finger pad; the non-windowed areas 12 retain the solder resist layer for insulation.

[0022] The outer surface of the gold finger connector 21 is covered with a gold finger connector glue shell 23 for enhancing the insulation of the gold finger connector 21.

[0023] A connection method of a battery slave control module with a gold finger PCB and a connector structure, comprising the following steps:

[0024] S1: a plurality of spaced windowed areas 11 are designed on the PCB slave control module 1, the solder resist layer is removed and gold plating is performed on the windowed areas 11 to form a PCB gold finger pad; the gold finger length is designed differently, the odd channels are long and the even channels are short to realize the anti-misplug function;

[0025] S2: a gold finger connector 21 is formed in the battery FPC collection plate 2, and a plurality of spaced elastic spring sheets 22 are welded inside the gold finger connector 21;

[0026] S3: the PCB gold finger pad is connected to the gold finger connector 21 in a plug-in manner.

[0027] The above-described embodiments only describe the preferred modes of the present application, and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope determined by the claims of the present application.

Claims

1. A battery slave module with a gold finger PCB and a connector structure, characterized by, The application relates to a PCB slave control module and a battery FPC collecting plate, wherein the end of the PCB slave control module is provided with a PCB gold finger pad, the PCB gold finger pad is provided with a plurality of spaced conductive strips, the end of the battery FPC collecting plate is provided with a gold finger connector, the gold finger connector is provided with a slot, the slot is provided with a plurality of spaced elastic spring sheets, the PCB gold finger pad is directly inserted into the slot of the gold finger connector, and the elastic spring sheets and the conductive strips are in communication.

2. The battery slave module with a golden finger PCB and connector structure according to claim 1, characterized in that: The surface of the PCB slave control module is provided with a solder resist layer, the end of the PCB slave control module is provided with alternately arranged windowed areas and non-windowed areas, the surface of the windowed areas is subjected to a windowing process, the solder resist layer is removed and gold plating is performed on the contact area of the elastic spring sheets of the gold finger connector, thereby forming the PCB gold finger pad, and the non-windowed areas retain the solder resist layer.

3. The battery slave module with a golden finger PCB and connector structure of claim 1, wherein: The outer surface of the gold finger connector is covered with a gold finger connector glue shell.

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