阅读说明：本技术 用于新能源汽车动力电池可更换式采集柔性线束板集成母排 (Be used for removable formula of new energy automobile power battery to gather flexible wiring harness board integrated female arranging ) 是由 贺华明 戴智特 林欣健 张�成 于 2021-04-25 设计创作，主要内容包括：本发明公开一种用于新能源汽车动力电池可更换式采集柔性线束板集成母排,包括有线束板塑胶支架、多个导电汇流联接排、FPC采集线束和输出连接器；所述FPC采集线束和多个导电汇流联接排分隔排布于线束板塑胶支架上,所述FPC采集线束的输出端与输出连接器对接；尤其是,所述FPC采集线束设计为可更换的形式,通过在各导电汇流联接排和FPC采集线束之间设置可拆装的连接装置,实现了FPC采集线束模块式插拔式更换,只需单人操作即完成FPC采集线束的更换,替代传统的生产线和破坏性返修方式,大大减少了售后维修人力和时间成本,降低了更换FPC采集线束的困难程度,实现了易操作性。(The invention discloses a replaceable collection flexible wiring harness board integrated bus for a new energy automobile power battery, which comprises a wiring harness board plastic support, a plurality of conductive bus connecting bars, an FPC collection wiring harness and an output connector, wherein the wiring harness board plastic support is provided with a plurality of conductive bus connecting bars; the FPC acquisition wiring harness and the plurality of conductive bus connecting bars are arranged on the wiring harness board plastic support in a separated mode, and the output end of the FPC acquisition wiring harness is in butt joint with the output connector; especially, FPC gathers pencil design and is removable form, through set up dismantled and assembled connecting device between each electrically conductive busbar coupling bar and FPC gathers the pencil, has realized FPC gathers pencil modular plug-in change, only needs single operation to accomplish the change of FPC gathers the pencil promptly, replaces traditional production line and destructive repair mode, has significantly reduced after-sales maintenance manpower and time cost, has reduced the difficult degree of changing FPC gathers the pencil, has realized easy operability.)

1. The utility model provides an integrated female arranging of flexible pencil board for removable formula of new energy automobile power battery is gathered, includes wired pencil board plastic support (10), a plurality of electrically conductive busbar joint row (20) that are used for each other electric connection of each group battery, the signal transmission FPC who is used for the voltage and the temperature acquisition of group battery gathers pencil (40) and is used for exporting output connector (50) with the signal transmission who gathers, its characterized in that: the FPC acquisition wiring harness (40) and the plurality of conductive bus connecting bars (20) are arranged on the wiring harness board plastic support (10) in a separated mode, and the output end of the FPC acquisition wiring harness (40) is in butt joint with the output connector (50); the collection of voltage and temperature collection signals is realized between each conductive bus bar (20) and the FPC collection wiring harness (40) through a detachable connecting device.

2. The replaceable collecting flexible wiring harness board integrated busbar for the new energy automobile power battery according to claim 1, characterized in that: the connecting device is composed of an adapter (30) and a plurality of inserting parts (41), and the inserting parts (41) can be inserted into the corresponding adapter (30) in an inserting and pulling manner.

3. The replaceable collecting flexible wiring harness board integrated busbar for the new energy automobile power battery according to claim 2, characterized in that: the plug-in part (41) is a flat cable golden finger, the adaptor connector (32) is an FFC connector, and the flat cable golden finger can be detachably connected with the FFC connector in a butt joint mode.

4. The replaceable collecting flexible wiring harness board integrated busbar for the new energy automobile power battery according to claim 2 or 3, characterized in that: the insertion part (41) is formed by extending the side edge of the FPC collecting wire harness (40); the adapter (30) comprises a PCB (31) and an adapter connector (32) arranged on the PCB (31); the PCB (31) is welded and fixed with the conductive bus bar (20); the insertion part (41) is inserted into the adaptor connector (32).

5. The replaceable collecting flexible wiring harness board integrated busbar for the new energy automobile power battery according to claim 4, characterized in that: the PCB (31) is provided with a negative temperature coefficient thermistor (33).

6. The replaceable collecting flexible wiring harness board integrated busbar for the new energy automobile power battery according to claim 1, characterized in that: the connecting device is a metal male/female spring-inserted terminal connector consisting of a metal male end (60) and a metal female plug (70), and the metal male end can be plugged into the corresponding metal female plug in a pluggable manner.

7. The replaceable collecting flexible wiring harness board integrated busbar for the new energy automobile power battery according to claim 6, characterized in that: the metal male end (60) is welded on the conductive bus bar (20) through laser, and the metal female plug (70) is welded on the FPC collecting wire harness (40) through an SMT mode.

8. The replaceable collecting flexible wiring harness board integrated busbar for the new energy automobile power battery according to claim 6 or 7, characterized in that: a round hole (63) is formed in the middle of the plug head of the metal male end (60), a round convex point is arranged on the metal female plug (70), and the round convex point is in butt joint with the round hole to form locking limiting.

9. The replaceable collecting flexible wiring harness board integrated busbar for the new energy automobile power battery according to claim 1, characterized in that: the wiring harness board plastic support is characterized in that a plurality of first installation concave positions (11) used for installing the conductive bus bar connecting bars (20) are concavely arranged on two sides of the top surface of the wiring harness board plastic support (10) at intervals, through holes are formed in the bottom surfaces of the first installation concave positions (11), and the first installation concave positions (11) are matched with the corresponding conductive bus bar connecting bars (20).

10. The replaceable collecting flexible wiring harness board integrated busbar for the new energy automobile power battery according to claim 9, characterized in that: the utility model discloses a wiring harness board, including wiring harness board plastic support (10), the concave second installation concave position (12) that are used for installing FPC gathers pencil (40) that are equipped with in top surface intermediate position of pencil board plastic support (10), and above-mentioned a plurality of first installation concave positions (11) distribute in the both sides of second installation concave position (12), the protruding reference column (13) that is equipped with in bottom surface of second installation concave position (12), correspond, and FPC gathers and run through locating hole (401) on pencil (40), and this reference column (13) are inserted and are fixed a position in locating hole (401).

Technical Field

The invention relates to the technical field of new energy power, in particular to a replaceable flexible wiring harness board integrated bus for a new energy automobile power battery.

Background

With the popularization of new energy power automobiles, the market of new energy power batteries is also more and more extensive. New forms of energy power battery is including integrated female arranging, and FPC gathers pencil and a plurality of electrically conductive busbar coupling bar in traditional integrated female arranging are that fixed connection can't dismantle the change, when FPC gathers pencil and need maintain and damage, need to arrange whole female the change or pull down and maintain to increase after-sales maintenance manpower and time cost, follow-up change is also more difficult.

Disclosure of Invention

In view of the above, the present invention is directed to the defects in the prior art, and a main object of the present invention is to provide a replaceable flexible wiring harness integrated busbar for a new energy vehicle power battery, which effectively solves the problems that the whole busbar needs to be replaced or disassembled for maintenance, so that the after-sales maintenance labor and time costs are increased, and the subsequent replacement is difficult.

In order to achieve the purpose, the invention adopts the following technical scheme:

a replaceable collection flexible wiring harness board integrated bus for a new energy automobile power battery comprises a wiring harness board plastic support, a plurality of conductive bus connecting bars for electrically connecting battery packs, an electric signal transmission FPC collection wiring harness for collecting voltage and temperature of the battery packs and an output connector for transmitting collected signals out, wherein the FPC collection wiring harness and the plurality of conductive bus connecting bars are separately arranged on the wiring harness board plastic support, and the output end of the FPC collection wiring harness is in butt joint with the output connector; and voltage and temperature acquisition signal acquisition is realized between each conductive bus connecting bar and the FPC acquisition wiring harness through a detachable connecting device.

Preferably, the connecting device is composed of an adapter and a plurality of plug-in parts, and the plug-in parts are pluggable to the corresponding adapter.

As a preferred scheme, the plurality of inserting parts are formed by extending from the side edge of the FPC collecting wire harness; the adapter comprises a PCB and an adapter connector arranged on the PCB; the PCB is welded and fixed with the conductive bus bar; the plugging part is plugged in the adaptor connector.

As a preferable scheme, the insertion part is a flat cable golden finger, the adaptor connector is an FFC connector, and the flat cable golden finger can be detachably butted with the FFC connector.

Preferably, the connecting device is a metal male/female spring terminal connector composed of a metal male end and a metal female plug, and the metal male end is pluggable to the corresponding metal female plug.

As a preferred scheme, the metal male end is welded on the conductive bus bar by laser, and the metal female plug is welded on the FPC collection harness by an SMT method.

As a preferred scheme, a round hole is formed in the middle of the plug connector of the metal male end, a round salient point is arranged on the metal female plug, and the round salient point is in butt joint with the round hole to form locking limit.

As a preferred scheme, a plurality of first mounting concave positions for mounting the conductive bus bar are concavely arranged on two sides of the top surface of the plastic bracket of the wiring harness board at intervals, a through hole penetrates through the bottom surface of each first mounting concave position, and the plurality of first mounting concave positions are matched with the corresponding conductive bus bar.

As a preferred scheme, the middle position of the top surface of the wiring harness board plastic support is concavely provided with a second installation concave position for installing the FPC acquisition wiring harness, the plurality of first installation concave positions are distributed on two sides of the second installation concave position, the bottom surface of the second installation concave position is convexly provided with a positioning column, correspondingly, the FPC acquisition wiring harness penetrates through a positioning hole, and the positioning column is inserted into the positioning hole for positioning.

As a preferred scheme, a negative temperature coefficient thermistor is arranged on the PCB.

Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that: but the grafting portion through FPC gathers pencil is pegged graft with the adapter on the electrically conductive busbar hookup, has realized that FPC gathers the pencil removable, and has realized modular plug-in change, only needs one-man operation to accomplish the change of FPC gathering pencil promptly, replaces traditional production line and destructive repair mode, and the after-sales maintenance manpower and the time cost that have significantly reduced have reduced the difficult degree of changing FPC and gathering the pencil, have realized easy operability.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an assembled perspective view of a first embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is an exploded view of a first embodiment of the present invention.

FIG. 4 is a schematic diagram illustrating the replacing state of the FPC collecting harness according to the first embodiment of the present invention.

Fig. 5 is an exploded view of a second embodiment of the present invention.

Fig. 6 is a partially enlarged view at B in fig. 5.

The attached drawings indicate the following:

10. pencil board plastic support 11, first installation concave position

12. Second mounting concave 13 and positioning column

20. Conductive bus bar 30 and adapter

31. PCB (printed circuit board) 32 and adapter connector

33. Negative temperature coefficient thermistor 40 and FPC acquisition harness

41. Plug part 401, positioning hole

42. Connecting part 50 and output connector

60. Metallic male end 61, weld

62. Plug head 63, circular hole

70. And (4) a metal female plug.

Detailed Description

The invention discloses a replaceable flexible wiring harness board integrated bus for collecting power batteries of a new energy automobile, which comprises a wiring harness board plastic support 10, a plurality of conductive bus connecting bars 20 for electrically connecting battery packs, an electric signal transmission FPC collecting wiring harness 40 for collecting voltage and temperature of the battery packs and an output connector 50 for transmitting collected signals out, wherein the FPC collecting wiring harness (40) and the plurality of conductive bus connecting bars 20 are arranged on the wiring harness board plastic support 10 in a separated mode, and the output end of the FPC collecting wiring harness 40 is in butt joint with the output connector 50. In particular, voltage and temperature acquisition signals are acquired between each conductive busbar connection bar 20 and the FPC acquisition harness 40 through a detachable connection device. The connecting device of the invention designs two detachable FPC acquisition harness connection modes: in embodiment 1, the connection device is connected and disconnected by plugging an FFC (flexible flat cable) bus connector with a bus golden finger. In embodiment 2, the connection device is a metal male/female spring terminal which is used for connection and disconnection. Like this, only need single operation to accomplish the change of FPC collection pencil 40 promptly, replace traditional production line and destructive repair mode, greatly reduced after-sales maintenance manpower and time cost, reduced the difficult degree of changing FPC collection pencil 40, realized easy operability.

Example 1

Referring to fig. 1 to 4, a specific structure of a first embodiment of the present invention is shown, which includes a cable harness board plastic support 10, a plurality of conductive bus bars 20 for electrically connecting the battery packs with each other, adapters 30 disposed on the conductive bus bars 20, and an FPC collection harness 40 electrically connected with the adapters 30.

The wiring harness board plastic support 10 is made of an insulating material, and the plurality of conductive bus connecting bars 20 mounted on the wiring harness board plastic support 10 are guaranteed to be spaced from each other, so that the adjacent conductive bus connecting bars 20 are insulated and withstand voltage, and the electric interference influence is avoided. And this pencil board plastic support 10 is the rectangle structure, and it has limited the appearance of product, realizes the installation matching with the group battery.

The FPC collecting harness 40 and the plurality of conductive bus connecting bars 20 are arranged on the harness board plastic support 10 in a separating way. In the present scheme, the conductive busbar 20 mainly has two functions, one is to realize the series-parallel connection of the electrodes between the battery packs and the output of the electric quantity of the battery pack; and secondly, connection of the FPC pressure/temperature collecting sheet. FPC gathers pencil 40 and is used for the voltage of group battery and the signal transmission of telecommunication of temperature collection, and can realize simply changing to realize that the after-sale maintains simply and simply to change fast in later stage.

The specific installation mode of the FPC collection harness 40 and the conductive busbar 20 is that a plurality of first installation concave positions 11 for installing the conductive busbar 20 are concavely arranged on two sides of the top surface of the harness board plastic support 10 at intervals, and the plurality of first installation concave positions 11 are matched with the corresponding conductive busbar 20, that is, the conductive busbar 20 is clamped in the first installation concave positions 11. In this embodiment, the number of the first mounting recesses 11 is 6, and the number of the corresponding conductive bus bars 20 is also 6, and the ribs between the first mounting recesses 11 are used for isolation.

In a more preferable embodiment, a through hole is formed through the bottom surface of the first mounting recess 11, so that each conductive bus bar 20 is directly exposed out of the through hole, which facilitates ventilation and heat dissipation and facilitates mounting of the conductive bus bar 20. In the present embodiment, the main functions of the conductive busbar 20 are to realize the parallel connection of the electrodes between the battery packs and the power output of the battery pack. In addition, the connection of the FPC pressure collecting/temperature collecting sheet is realized. The conductive busbar 20 is made of aluminum, and is easy to mold, has good heat dissipation, and is inexpensive, but the conductive busbar 20 may be made of other metal materials.

And the middle position of the top surface of the wiring harness board plastic support 10 is concavely provided with a second mounting concave position 12 for mounting the FPC collecting wiring harness 40, and the second mounting concave position is used for mounting the FPC collecting wiring harness 40. The second mounting concave position 12 is also provided with a plurality of positioning columns 13 protruding from the bottom surface; correspondingly, a positioning hole 401 is formed through the FPC collecting harness 40, and the positioning post 13 is inserted into the positioning hole 401 for positioning, so that the FPC collecting harness 40 is stably mounted in the second mounting recess 12. It should be noted that the FPC collection harness 40 can be fixed only by using the recessed area formed by the positioning column 13 and the second mounting recess 12, and other ways such as welding or gluing are not required, thereby providing a basic guarantee for the subsequent replacement of the FPC collection harness 40.

The first installation concave positions 11 are located at two sides of the second installation concave position 12, so that the FPC collection harness 40 extends from the middle position, and the 6 mentioned conductive bus bars 20 are distributed on the left and right sides of the FPC collection harness 40 by taking 3 pieces as a group, so that the voltage and temperature collection of each area of the battery pack can be realized by directly using the plurality of adapters 30 branched from the FPC collection harness 40. In this embodiment, the connecting device is composed of the adaptor 30 and a plurality of inserting parts 41, and the inserting parts 41 are inserted into and removed from the corresponding adaptor 30.

Specifically, there are 1 adaptor 30 per one piece of the busbar 20. Accordingly, the FPC collection harness 40 has a plurality of plug-in portions 41. The plurality of connectors 41 are preferably arranged in rows of fingers extending from the sides of the FPC collection harness 40. Each plug-in part 41 can be plugged in the corresponding adapters 30 in a pluggable manner, so that modular plug-in replacement is realized, the FPC acquisition wiring harness 40 can be replaced by a single person, the traditional production line and destructive repair mode are replaced, the after-sale maintenance labor and time cost are greatly reduced, the difficulty degree of replacing the FPC acquisition wiring harness 40 is reduced, and the operability is easy.

As shown in fig. 2, in the present embodiment, the connection between each conductive bus bar 20 and the FPC collection harness 40 is realized by plugging an FFC bus bar connector. The adapter 30 is preferably an FPC replacement adapter PCB, and includes a PCB 31 and an adapter connector 32 mounted on the PCB 31. Furthermore, a negative temperature coefficient thermistor (NTC) 33 is provided on the PCB 31 to realize temperature signal acquisition of the battery pack. The PCB board 31 is an aluminum-based PCB, and the adaptor connector is an FFC connector, also called an aluminum-based PCB and FPC adaptor connector, for connecting and connecting the replaceable FPC collection harness 40 to the PCB board 31 for voltage/temperature collection. In operation, the PCB 31 and the conductive busbar 20 are welded to the conductive busbar 20 of the battery electrode by laser welding. The insertion part 41 is inserted into the adaptor connector 32, collects the temperature and voltage of the battery pack, and transmits the voltage and temperature signals to the BMS through the adaptor connector (FFC connector) and the collection wire harness.

In this embodiment, the FPC collection harness 40 is further provided with an output connector 50, referred to as a collection voltage output connector, for transmitting all NTC temperature signals on the CCS and voltage signals collected by the aluminum-based PCB to the BMS through the output connector to transmit the signals collected by the busbar. Like this, removable formula FPC gathers pencil 40 with the voltage of group battery and the signal transmission of telecommunication of temperature collection to as shown in fig. 4, still can realize simply changing, in order to realize that the quick simply changed of after-sales maintenance in later stage has saved the cost, has improved the female reuse rate who arranges of integration.

Example 2

Referring to fig. 5 and 6, which show a specific structure of a second embodiment of the present invention, the replaceable collecting flexible wiring harness integrated bus bar of the present embodiment has a structure substantially the same as that of the above embodiment 1, and includes a wiring harness plastic support, a plurality of conductive bus bars for electrically connecting the battery packs, adapters disposed on the conductive bus bars, and FPC collecting wiring harnesses electrically connected to the adapters.

This embodiment is different from embodiment 1 in that: another connection method is adopted between the FPC collecting harness 40 and each conductive bus bar 20, the adaptor 30 of embodiment 1 is an FFC bus bar connector connection method, and the embodiment is a metal male/female spring terminal connection method.

Referring specifically to fig. 5 and 6, the connecting device is a metal male/female spring terminal connector composed of a metal male terminal 60 and a metal female plug 70, and the metal male terminal is pluggable to the corresponding metal female plug.

The metal male end 60 is a thin sheet with a conductor. The metal male end has a welding part 61 and a plug part 62, wherein the welding part 61 is welded on the conductive bus bar 20 by laser; the part of the plug 62 is preferably a semicircle or a structure with a lead angle, and a round hole 63 is arranged in the middle. Correspondingly, the FPC collecting harness 40 extends out of the connection portions 42 toward the conductive bus bars 20, and each connection portion 42 is provided with a metal female plug 70, and the metal female plug 70 is soldered to the connection portion 42 of the FPC collecting harness 40 by SMT. The metal female plug 70 is also arranged on a circular bump (located on the bottom surface of the metal female plug 70 in fig. 5) and is used for being butted with the circular hole 63 of the plug 62 to form locking limit, so that the reliability of conductive connection is improved.

In summary, the metal male end 60 forms a connected end a, and the metal female plug 70 forms a connected end B, such that conduction is achieved when the metal male end 60 and the metal female plug 70 are mated. And circular salient points and the circular holes 63 are preferably arranged to realize locking and limiting after the two are butted, so that loosening is prevented.

It should be noted that in this embodiment, the metal male terminal 60 is soldered to each conductive bus bar 20, and the metal female plug 70 is soldered to the FPC collection harness 40, so that the positions of the two can be changed during actual design and application, and the connection function can still be realized.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.