CN220067891U - Positive electrode battery energy distribution unit connected by wireless beam - Google Patents
Positive electrode battery energy distribution unit connected by wireless beam Download PDFInfo
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- CN220067891U CN220067891U CN202321163604.9U CN202321163604U CN220067891U CN 220067891 U CN220067891 U CN 220067891U CN 202321163604 U CN202321163604 U CN 202321163604U CN 220067891 U CN220067891 U CN 220067891U
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- distribution unit
- energy distribution
- battery energy
- busbar
- wireless beam
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- 238000009826 distribution Methods 0.000 title claims abstract description 40
- 230000004308 accommodation Effects 0.000 claims description 6
- 238000003306 harvesting Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- VAHKBZSAUKPEOV-UHFFFAOYSA-N 1,4-dichloro-2-(4-chlorophenyl)benzene Chemical compound C1=CC(Cl)=CC=C1C1=CC(Cl)=CC=C1Cl VAHKBZSAUKPEOV-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a positive battery energy distribution unit connected by a wireless beam, which comprises: an upper shell and a lower shell which are detachably connected, wherein a first accommodating space is formed between the upper shell and the lower shell; the PCB integrated component comprises a PCB board and a plurality of terminals arranged on the PCB board; the electric pieces are arranged in the first accommodating space and are directly connected with one terminal; the busbar assembly is arranged in the first accommodating space and comprises a busbar and a high-voltage acquisition sheet fixedly connected with the busbar, and the high-voltage acquisition sheet is directly connected with the terminal. According to the utility model, the wiring harness is replaced by the PCB wiring, the original wiring harness connection is replaced by the connection of the electric component pins and the current terminals, all the assembly can be realized through automatic equipment, the dependence on manpower is greatly reduced, and the production efficiency and the reliability of the battery energy distribution unit are improved.
Description
Technical Field
The utility model relates to the technical field of batteries for electric automobiles, in particular to a positive electrode battery energy distribution unit connected by a wireless beam.
Background
With the continuous development of the electric automobile industry, the acceptance of people to electric automobiles is becoming higher and higher, the sales of electric automobiles is rising, and the requirements of power battery systems are also increasing, so that higher requirements are put on the production efficiency and reliability of the power battery systems.
The battery energy distribution unit (BDU) is a key component of the battery system, and the production efficiency and reliability of the battery energy distribution unit play an important role in the production efficiency and reliability of the battery system. Most battery energy distribution units in the market need be connected through the pencil and realize control and acquisition function, and the pencil belongs to flexible part, needs manual installation, is difficult for realizing automated production, seriously influences production efficiency, and the pencil has risks such as wearing and tearing, probably causes the influence to battery energy distribution unit's reliability.
Disclosure of Invention
In view of the above, the present utility model is directed to a positive electrode battery energy distribution unit for wireless beam connection.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a wireless beam connected positive battery energy distribution unit, comprising:
an upper shell and a lower shell which are detachably connected, wherein a first accommodating space is formed between the upper shell and the lower shell;
the PCB integrated component comprises a PCB board and a plurality of terminals arranged on the PCB board;
the electric components are arranged in the first accommodating space, and each electric component is directly connected with one terminal;
the busbar assembly is arranged in the first accommodating space and comprises a busbar and a high-voltage acquisition sheet fixedly connected with the busbar, and the high-voltage acquisition sheet is directly connected with the terminal.
The positive electrode battery energy distribution unit connected by the wireless beam comprises a terminal, a connecting terminal and a connecting terminal, wherein the terminal comprises a bolt connection current terminal and a connecting current terminal;
the electric components are respectively and directly connected with one bolt connection current terminal or one plug-in current terminal;
the high-voltage acquisition sheet is directly connected with the plug-in current terminal.
The above-mentioned positive battery energy distribution unit of wireless beam connection, wherein the electrical components include a main contactor, a fuse, a resistor, and a small contactor;
the main contactor, the fuse, the resistor, and the small contactor are respectively connected to the lower housing by a snap.
The above-mentioned positive electrode battery energy distribution unit of wireless beam connection, wherein, the lower casing includes: the PCB is arranged below the bottom plate, and the bottom plate is provided with connecting holes which are right opposite to the arrangement of the bolt connection current terminals and the plug-in current terminals.
The above-mentioned positive electrode battery energy distribution unit of wireless beam connection, wherein, lower casing still includes: the backup pad, the backup pad is fixedly located the lower surface of bottom plate, the backup pad is located the bottom plate with between the PCB board, the backup pad with form between the bottom plate and be used for holding bolted connection current terminal with connect the second accommodation space of inserting current terminal.
The above-mentioned positive electrode battery energy distribution unit of wireless beam connection, wherein, lower casing still includes: the baffle, the baffle is fixedly located the upper surface of bottom plate, the baffle will the inside of lower casing separates into a plurality of be used for holding the third accommodation space of electrical components.
The positive electrode battery energy distribution unit connected by the wireless beam comprises a first bus bar and a second bus bar, wherein the first bus bar and the second bus bar are respectively welded with the high-voltage acquisition sheet;
the two ends of the lower shell are respectively provided with an input pole fixing column and an output pole fixing column which are respectively used for fixing the input pole of the first busbar and the output pole of the second busbar.
The positive electrode battery energy distribution unit connected by the wireless beam, wherein the PCB integrated component further comprises a connector arranged at one end of the PCB.
The above-mentioned positive electrode battery energy distribution unit that wireless beam is connected, wherein, do not be equipped with the pencil in the first accommodation space.
The above-mentioned wireless beam connection's anodal battery energy distribution unit, wherein, still be equipped with the high-voltage protection lid on the last casing, the both ends of going up the casing respectively are equipped with one the high-voltage protection lid, the high-voltage protection lid with go up the casing rotationally and be connected.
The utility model adopts the technology, so that compared with the prior art, the utility model has the positive effects that:
(1) According to the utility model, the wiring harness is replaced by the PCB wiring, the original wiring harness connection is replaced by the connection of the electric component pins and the current terminals, all the assembly can be realized through automatic equipment, the dependence on manpower is greatly reduced, and the production efficiency and the reliability of the battery energy distribution unit are improved.
Drawings
Fig. 1 is a schematic diagram of a wireless beam connected positive battery energy distribution unit of the present utility model.
Fig. 2 is a schematic diagram of the internal structure of the positive battery energy distribution unit of the wireless beam connection of the present utility model.
Fig. 3 is an assembly schematic of the PCB board of the wireless beam connected positive battery energy distribution unit of the present utility model.
Fig. 4 is an assembled schematic view of the lower housing and buss bar of the wireless beam connected positive battery energy distribution unit of the present utility model.
Fig. 5 is a schematic view of the lower portion of the lower housing of the wireless beam connected positive battery energy distribution unit of the present utility model.
Fig. 6 is a schematic view of the upper portion of the lower housing of the wireless beam connected positive battery energy distribution unit of the present utility model.
Fig. 7 and 8 are schematic views of the internal structure of the positive battery energy distribution unit of the wireless beam connection of the present utility model.
Fig. 9 is a schematic diagram of a PCB integrated assembly of a wireless beam connected positive battery energy distribution unit of the present utility model.
Fig. 10 is a schematic diagram of a PCB integrated assembly and buss bar of a wireless beam connected positive battery energy distribution unit of the present utility model.
In the accompanying drawings: 1. an upper housing; 2. a lower housing; 21. a bottom plate; 22. a side wall; 23. a support plate; 24. a partition plate; 25. an input pole fixing column; 26. an output pole fixing column; 31. a PCB board; 32. the bolt is connected with the current terminal; 33. plugging a current terminal; 34. a connector; 41. a busbar; 411. a first bus bar; 412. a second bus bar; 42. a high-pressure acquisition sheet; 51. a main contactor; 52. a fuse; 53. a resistor; 54. a small contactor; 6. high pressure protective cover.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "transverse," "vertical," and the like are used for convenience in describing the present utility model based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the device or element to be referred to must have a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, "horizontal" and "vertical" are used to describe a general positional relationship, and are not strictly "horizontal" or "vertical".
Referring to fig. 1 to 10, a positive battery energy distribution unit of a wireless beam connection of a preferred embodiment is shown, comprising: the upper shell 1 and the lower shell 2 which are detachably connected, a PCB integrated component, a plurality of electric components and a busbar assembly, wherein a first accommodating space is formed between the upper shell 1 and the lower shell 2; the PCB integrated component comprises a PCB 31 and a plurality of terminals arranged on the PCB 31; the electric pieces are arranged in the first accommodating space, and each electric piece is directly connected with one terminal; the busbar assembly is arranged in the first accommodating space and comprises a busbar 41 and a high-voltage acquisition sheet 42 fixedly connected with the busbar 41, and the high-voltage acquisition sheet 42 is directly connected with the terminal.
Specifically, the electrical component and the busbar assembly are all arranged above the PCB integrated component.
Specifically, the PCB board can select wiring width and interval according to actual demand, both can arrange low-voltage line also can arrange high-voltage line, can also arrange signal line and power line simultaneously for the wiring is more convenient, can practice thrift the module space greatly, improves production efficiency, is fit for BDU high-voltage signal collection, low-voltage signal connection and transmission current and uses.
Preferably, the upper case 1 and the lower case 2 are coupled by a snap.
The above-mentioned direct connection means not a wire harness but a direct plug connection or a direct bolt connection.
Further, as a preferred embodiment, the terminals include a bolting current terminal 32 and a plugging current terminal 33.
Further, as a preferred embodiment, several electrical components are directly connected to a bolted current terminal 32 or a plugged current terminal 33, respectively.
Further, as a preferred embodiment, the high voltage collecting tab 42 is directly connected to the socket current terminal 33.
Further, as a preferred embodiment, the electrical components include a main contactor 51, a fuse 52, a resistor 53, and a small contactor 54, and the battery system positive circuit switching can be achieved. The main contactor 51, the fuse 52, the resistor 53, and the small contactor 54 are respectively snap-coupled to the lower case 2.
Specifically, small contactor 54 is combined with resistor 053 to form a pre-charge circuit. The small contactor 54 is combined with the fuse 52 to form a functional circuit for heating or slow charging.
Further, as a preferred embodiment, the lower case 2 includes: the bottom plate 21 and the side wall 22 that encircles the bottom plate 21 and arrange, wherein, PCB board 31 locates the below of bottom plate 21, has seted up the connecting hole that just is to bolted connection current terminal 32 and connect plug current terminal 33 arrangement on the bottom plate 21. Side wall 22 may also be used in some embodiments to provide a clasp for securing electrical components.
Further, as a preferred embodiment, the lower case 2 further includes: the backup pad 23, backup pad 23 fixedly locates the lower surface of bottom plate 21, and backup pad 23 locates between bottom plate 21 and the PCB board 31, forms the second accommodation space that is used for holding bolted connection current terminal 32 and grafting current terminal 33 between backup pad 23 and the bottom plate 21.
Further, as a preferred embodiment, the lower case 2 further includes: the partition plate 24, the partition plate 24 is fixedly arranged on the upper surface of the bottom plate 21, and the partition plate 24 divides the interior of the lower housing 2 into a plurality of third accommodating spaces for accommodating electrical components. The spacer 24 may also be used in some embodiments to provide a snap for securing electrical components.
Further, as a preferred embodiment, the busbar assembly includes a first busbar 411 and a second busbar 412, and the first busbar 411 and the second busbar 412 are welded with the high voltage collecting tab 42, respectively. The first bus bar 411 and the second bus bar 412 are each connected to the main contactor 51.
Specifically, the first bus bar 411 and the second bus bar 412 are connected to the high-voltage collecting tab 42 by laser welding or ultrasonic welding. For the spiro union scheme through OT terminal bolt nut, the welding scheme is fit for automated production, can improve production efficiency greatly, can avoid the risk that the spiro union scheme probably takes place the pine simultaneously.
Further, a main contactor 51, a resistor 53, and a small contactor 54 are interposed with the plug-in current terminal 33.
Further, the fuse 52 is connected to the bolting current terminal 32 by a bolt.
Further, the high voltage collecting tab 42 is connected to the plug-in current terminal 33 by plugging.
For pencil connection scheme, be difficult for appearing the wrong problem of equipment, be fit for automated production, improve production efficiency greatly.
Further, as a preferred embodiment, the two ends of the lower housing 2 are respectively provided with an input pole fixing post 25 and an output pole fixing post 26 for fixing the input pole of the first bus bar 411 and the output pole of the second bus bar 412, respectively.
Further, as a preferred embodiment, the PCB integrated component further includes a connector 34 provided at one end of the PCB 31.
Preferably, the bolting current terminal 32, the plugging current terminal 33 and the connector 34 are welded with the PCB 31 by a wave soldering process. In another embodiment, the connector 34 is connected to the PCB 31 by reflow soldering.
Further, as a preferred embodiment, no wire harness is disposed in the first accommodating space. More specifically, the electrical components and the PCB 31, and the bus bar 41 and the PCB 31 are directly connected by terminals, especially by direct plugging or bolting of the terminals.
Further, as a preferred embodiment, the upper housing 1 is further provided with a high-pressure protection cover 6, and two ends of the upper housing 1 are respectively provided with a high-pressure protection cover 6, and the high-pressure protection cover 6 is rotatably connected with the upper housing 1. In one preferred embodiment, the high pressure protection cover 6 is snap-connected to the upper housing 1.
Further, as a preferred embodiment, two high voltage protection covers 6 are respectively covered on the upper sides of the input pole fixing post 25 and the output pole fixing post 26. And both the high voltage protective covers 6 are rotatably opened to expose the input and output poles of the bus bar 41.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (9)
1. A positive battery energy distribution unit for wireless beam connection, comprising:
an upper shell and a lower shell which are detachably connected, wherein a first accommodating space is formed between the upper shell and the lower shell;
the PCB integrated component comprises a PCB board and a plurality of terminals arranged on the PCB board;
the electric components are arranged in the first accommodating space, and each electric component is directly connected with one terminal;
the busbar assembly is arranged in the first accommodating space and comprises a busbar and a high-voltage acquisition sheet fixedly connected with the busbar, and the high-voltage acquisition sheet is directly connected with the terminal;
the terminal comprises a bolt connection current terminal and a plug current terminal;
the electric components are respectively and directly connected with one bolt connection current terminal or one plug-in current terminal;
the high-voltage acquisition sheet is directly connected with the plug-in current terminal.
2. The wireless beam connected positive battery energy distribution unit of claim 1, wherein the electrical components include a main contactor, a fuse, a resistor, and a small contactor;
the main contactor, the fuse, the resistor, and the small contactor are respectively connected to the lower housing by a snap.
3. The wireless beam connected positive battery energy distribution unit of claim 1, wherein the lower housing comprises: the PCB is arranged below the bottom plate, and the bottom plate is provided with connecting holes which are right opposite to the arrangement of the bolt connection current terminals and the plug-in current terminals.
4. The wireless beam connected positive battery energy distribution unit of claim 3, wherein the lower housing further comprises: the backup pad, the backup pad is fixedly located the lower surface of bottom plate, the backup pad is located the bottom plate with between the PCB board, the backup pad with form between the bottom plate and be used for holding bolted connection current terminal with connect the second accommodation space of inserting current terminal.
5. The wireless beam connected positive battery energy distribution unit of claim 4, wherein the lower housing further comprises: the baffle, the baffle is fixedly located the upper surface of bottom plate, the baffle will the inside of lower casing separates into a plurality of be used for holding the third accommodation space of electrical components.
6. The wireless beam connected positive battery energy distribution unit of claim 1, wherein the busbar assembly comprises a first busbar and a second busbar, the first and second busbars having the high voltage harvesting tabs welded thereto, respectively;
the two ends of the lower shell are respectively provided with an input pole fixing column and an output pole fixing column which are respectively used for fixing the input pole of the first busbar and the output pole of the second busbar.
7. The wireless beam connected positive battery energy distribution unit of claim 1, wherein the PCB integrated component further comprises a connector provided at one end of the PCB board.
8. The wireless beam connected positive battery energy distribution unit of claim 1, wherein no wiring harness is provided in the first receiving space.
9. The wireless beam connected positive battery energy distribution unit of claim 1, wherein the upper housing is further provided with a high voltage protection cover, two ends of the upper housing are respectively provided with the high voltage protection cover, and the high voltage protection cover is rotatably connected with the upper housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321163604.9U CN220067891U (en) | 2023-05-15 | 2023-05-15 | Positive electrode battery energy distribution unit connected by wireless beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321163604.9U CN220067891U (en) | 2023-05-15 | 2023-05-15 | Positive electrode battery energy distribution unit connected by wireless beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220067891U true CN220067891U (en) | 2023-11-21 |
Family
ID=88763057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321163604.9U Active CN220067891U (en) | 2023-05-15 | 2023-05-15 | Positive electrode battery energy distribution unit connected by wireless beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220067891U (en) |
-
2023
- 2023-05-15 CN CN202321163604.9U patent/CN220067891U/en active Active
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