CN219040556U

CN219040556U - Chemical component capacity power module and chemical component capacity test equipment

Info

Publication number: CN219040556U
Application number: CN202221002996.6U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Guangdong Shunshi Measurement and Control Equipment Co Ltd
Current assignee: Guangdong Shunshi Measurement and Control Equipment Co Ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2023-05-16
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses a chemical component power supply module and a chemical component testing device, the chemical component power supply module comprises: backup pad and a plurality of PCB board, the top surface of backup pad is formed with at least one installation zone, PCB board perpendicular to backup pad sets up, installation zone interval arrangement is provided with a plurality of PCB boards, the PCB board includes positive pole end and negative pole end, the positive pole end of two at least PCB boards that are located same installation zone is connected through first connecting piece, the negative pole end of two at least PCB boards that are located same installation zone is connected through the second connecting piece, the backup pad is passed to the one end of first connecting piece and second connecting piece, and stretch out to the backup pad bottom surface, through with the vertical setting of PCB board, can practice thrift the space, the vertical setting of interval of PCB board can correspond with the position of electric core, thereby can be connected with the electric core with the shortest distance, the electric energy loss that leads to because of the connecting wire overlength has been prevented effectively, the connecting wire length is shortened to the maximum extent.

Description

Chemical component capacity power module and chemical component capacity test equipment

Technical Field

The utility model relates to the technical field of battery formation and component capacity, in particular to a formation and component capacity power supply module.

Background

In the production process of the battery cell, the battery cell is batched into an activated battery cell by adopting a formation component test device, namely, voltage and current are loaded between a positive pole post and a negative pole post of the battery cell, so that the accurate stable voltage and current can ensure that the inside of the battery cell is activated stably and sufficiently, and stable benign circulation electrochemical reaction is formed.

In order to meet the requirement of mass production of battery cells, multi-channel integrated component testing equipment is a trend. At present, the chemical dividing machine and the power supply system are separately designed in the market, and the power supply module is an independent power supply cabinet, so that a longer cable and a longer pipeline are required to be connected between the module systems, the equipment integration level is low, and more space is required to be occupied.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art and provide a chemical component power supply module.

The utility model also provides a chemical composition testing device comprising the embodiment of the first aspect.

According to an embodiment of the first aspect of the present utility model, there is provided a component power module comprising: the PCB comprises a supporting plate and a plurality of PCB boards, wherein at least one installation area is formed on the top surface of the supporting plate, the PCB boards are perpendicular to the supporting plate, a plurality of PCB boards are arranged in an interval arrangement mode in the installation area, each PCB board comprises a positive electrode end and a negative electrode end, at least two positive electrode ends of the PCB boards located in the same installation area are connected through a first connecting piece, at least two negative electrode ends of the PCB boards located in the same installation area are connected through a second connecting piece, and one ends of the first connecting piece and the second connecting piece penetrate through the supporting plate and extend to the bottom surface of the supporting plate.

The beneficial effects are that: the chemical composition power module comprises: backup pad and a plurality of PCB board, the top surface of backup pad is formed with at least one installation zone, PCB board perpendicular to backup pad sets up, installation zone interval arrangement is provided with a plurality of PCB boards, the PCB board includes positive pole end and negative pole end, the positive pole end of two at least PCB boards that are located same installation zone is connected through first connecting piece, the negative pole end of two at least PCB boards that are located same installation zone is connected through the second connecting piece, the backup pad is passed to the one end of first connecting piece and second connecting piece, and stretch out to the backup pad bottom surface, through with the vertical setting of PCB board, can practice thrift the space, the vertical setting of interval of PCB board can correspond with the position of electric core, thereby can be connected with the electric core with the shortest distance, the electric energy loss that leads to because of the connecting wire overlength has been prevented effectively, the connecting wire length is shortened to the maximum extent.

According to the chemical composition power supply module provided by the embodiment of the first aspect of the utility model, the chemical composition power supply module further comprises a first fixing strip, a plurality of mounting holes are formed in the first fixing strip at intervals, the first fixing strip extends along the length direction of the mounting area, and the PCB and the first fixing strip are fixed through a fastener.

According to the embodiment of the first aspect of the utility model, the chemical composition power supply module further comprises a second fixing strip, the second fixing strip is perpendicular to the back surface of the PCB, the second fixing strip is arranged at the bottom of the PCB, and the PCB is fixed with the supporting plate through the second fixing strip.

According to the chemical composition power supply module disclosed by the embodiment of the first aspect of the utility model, the chemical composition power supply module further comprises a cabinet body, the cabinet body is provided with a containing cavity, the supporting plate and the bottom plate of the cabinet body are integrally formed or are arranged on the bottom plate of the cabinet body, and the PCB board can be positioned in the containing cavity.

According to the chemical composition component power supply module provided by the embodiment of the first aspect of the utility model, the cabinet body is provided with two cavities along the width axis, the cavities are provided with two mounting areas symmetrically arranged relative to the length axis, and the PCB (printed Circuit Board) in the two cavities are arranged in a staggered manner.

According to the chemical composition power supply module of the embodiment of the first aspect of the utility model, the integrated circuit surfaces of the PCBs in the two cavities face opposite directions, and the PCBs in one cavity are arranged between gaps of the PCBs in the other cavity.

According to the chemical composition power supply module of the embodiment of the first aspect of the utility model, the cabinet body is provided with the cooling fan, the cooling fan is arranged on the side plate in the length direction of the cabinet body, and the cooling fans are arranged at intervals along the width and the length direction of the side plate of the cabinet body.

According to an embodiment of the first aspect of the present utility model, the first connection member and the second connection member each include a first connection plate and a second connection plate that are perpendicular to each other, the first connection plate is used for connecting the positive electrode terminal or the negative electrode terminal, and the second connection plate is used for connecting the first connection plate.

According to a second aspect of the present utility model, there is provided a chemical composition testing apparatus comprising: the formation composition power module according to the embodiment of the first aspect, wherein the bottom of the frame is provided with a battery cell placement position, the probe module is arranged above the battery cell placement position, the probe module comprises a connection portion arranged at the top and a probe arranged at the bottom, the probe corresponds to the battery cell placement position, the formation composition power module is arranged at the top of the frame, and the first connection member and the second connection member extend to the bottom surface of the support plate and are connected with the connection portion.

The beneficial effects are that: the chemical composition component testing equipment can save space by adopting the chemical composition component power supply module of the embodiment of the first aspect, can be directly connected with the battery core by contacting the PCB with the probe module in a short distance, and can also perform effective heat dissipation treatment by performing cross dislocation setting on the PCB.

According to the chemical composition component testing equipment disclosed by the embodiment of the second aspect of the utility model, the rack comprises a carrier plate, a top plate and a lifting rod, the carrier plate and the top plate are arranged oppositely, the lifting rod capable of lifting is arranged between the carrier plate and the top plate, the top plate is provided with a groove, and the chemical composition component power supply module is slidably arranged in the groove.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic diagram of a component power module according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a component power module according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a modular component power module containing a cabinet according to an embodiment of the utility model;

FIG. 4 is a schematic diagram of a chemical composition testing apparatus according to an embodiment of the present utility model.

A support plate 100, a mounting region 110;

a PCB board 200;

a first connector 300;

a second connector 400;

a first fixing bar 500;

a second fixing bar 600;

cabinet 700, heat dissipation fan 710;

forming a component power module 10;

the battery cell placing device comprises a frame 20, a battery cell placing position 21, a carrier plate 22, a top plate 23 and a lifting rod 24;

a probe module 30, a connection part 31, and a probe 32.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the production process of the lithium ion battery, after the liquid injection packaging is completed, the next procedure can be carried out only through formation and capacity division, and the purpose of formation is to charge and discharge the battery assembled for the first time, activate the internal structure of the battery and enable the battery to reach the optimal state. The capacity division aims to detect the capacity of the battery through charge and discharge and is used for distinguishing and screening the battery with the capacity not reaching the standard.

In the production process of the battery cell, the battery cell is activated in batches by adopting chemical composition testing equipment, voltage and current are loaded between the positive electrode post and the negative electrode post of the battery cell, and the accurate stable voltage and current can ensure that the inside of the battery cell is activated stably and sufficiently to form stable benign circulation electrochemical reaction.

In order to meet the mass production of the battery cells, multi-channel integrated component testing equipment is a trend. The chemical composition testing equipment generally comprises a rack, a probe module, a power supply system, a heat dissipation system and the like. How to integrate each module to ensure the communication between the power cabinet and the formation cabinet and save the space is a current difficulty. The existing chemical composition testing equipment power supply system is generally set to be an independent power supply cabinet, so that the whole system is low in integration level and inconvenient to debug and maintain, and modules are required to be distributed in a scattered mode through longer cables and pipelines, and therefore occupied area is wasted and cost is high.

The chemical composition power supply module is described in detail below with reference to fig. 1 to 3.

Referring to fig. 1 and 2, a chemical composition power module 10 includes: the support plate 100 and the plurality of PCB boards 200.

Wherein, the top surface of the supporting plate 100 is formed with at least one mounting area 110, the PCB boards 200 are arranged perpendicular to the supporting plate 100, and the mounting areas 110 are arranged with a plurality of PCB boards 200 at intervals. For example, the support plate 100 may form one mounting region 110 along the length direction of the support plate 100, and a plurality of PCB boards 200, for example, six PCB boards 200, are vertically mounted in the mounting region 110. The mounting area 110 on the support plate 100 may be symmetrically disposed with respect to the length direction and the width direction of the support plate 100, so that mass production of the battery cells may be facilitated, and a wider gap space may be formed in the middle of the mounting area 110, which may be used to accommodate and mount a unified power control switch. Of course, the mounting areas 110 may be provided in a plurality of arrays on the support plate 100.

For example, in fig. 1 and 2, four mounting areas 110 are provided on the support plate 100, the four mounting areas 110 are symmetrically disposed with respect to a length center line and a width center line of the support plate 100, respectively, and a gap formed by the opposite width center lines may provide power control switches on the two opposite PCB boards 200.

The PCB board 200 includes a back surface and an integrated circuit surface provided with integrated circuits disposed opposite to the back surface. The integrated circuit surfaces of the individual PCBs 200 located within the same mounting area 110 are disposed in the same direction, i.e., toward the left or right end in the drawing. The PCB is perpendicular to the supporting plate 100, and the interval distance between the PCB 200 can correspond to the position of the battery cell, so that the PCB can be connected with the battery cell at the shortest distance, the electric energy loss caused by the connecting wire process is effectively prevented, and the length of the connecting wire is shortened to the greatest extent.

The PCB boards 200 include positive and negative ends, the positive ends of at least two PCB boards 200 located in the same mounting area 110 are connected by a first connector 300, the negative ends of at least two PCB boards 200 located in the same mounting area 110 are connected by a second connector 400, and one ends of the first connector 300 and the second connector 400 pass through the support plate 100 and extend out to the bottom surface of the support plate 100. The connection of the PCB boards 200 may be facilitated by connecting adjacent PCB boards 200 within the same mounting area 110 through the first connector 300 and the second connector 400. For example, in the present embodiment, the adjacent three PCB boards 200 are connected, so that the overlong circuit can be effectively prevented from affecting maintenance and beauty.

The first connector 300 and the second connector 400 each include a first connection plate and a second connection plate perpendicular to each other, the first connection plate being used to connect the positive electrode terminal or the negative electrode terminal, and the second connection plate being used to connect the first connection plate. Specifically, a plurality of first through holes and second through holes are provided at both sides of the mounting region 110 of the support plate 100 along the length direction at intervals, the first connection plate is connected with the positive end of the PCB board 200, and then connected with the second connection plate through a fastener, and the first connection member 300 and the second connection member 400 are further provided with an adapter plate, which passes through the first through holes and the second through holes, so that the PCB board 200 can be connected with the probe module through a portion extending to the bottom of the support plate 100, thereby simplifying and shortening the cable length, reducing the manufacturing cost, and integrating the whole machine to facilitate debugging and maintenance.

The chemical composition power module 10 further includes a first fixing strip 500, a plurality of mounting holes are formed in the first fixing strip 500 at intervals, the first fixing strip 500 extends along the length direction of the mounting area 110, and the PCB board 200 is fixed to the first fixing strip 500 by fasteners. Specifically, the first fixing strip 500 may have a long strip-shaped plate-shaped or rod-shaped structure, and the first fixing strip 500 is provided with a plurality of mounting holes at uniform intervals along the length direction. By providing the mounting holes on the first fixing bar 500 first, it is ensured that the spaced distances of the PCB boards 200 are equal. When in installation, the PCB 200 can be corresponding to the installation holes, the PCB 200 is perpendicular to the first fixing strip 500, and then the PCB 200 and the first fixing strip are fixed through the installation holes by the fasteners, so that the vertical and interval uniform distribution of the PCB 200 is realized, and the installation of the PCB 200 is facilitated.

It is to be easily understood that the first fixing bar 500 may be flat plate-shaped as long as it can function as an auxiliary installation and a space for disposing the PCB board 200. The first fixing strips 500 may be provided in a plurality of strips, and the first fixing strips 500 may be provided along the height direction of the PCB board at intervals, so as to control the PCB board to perform a vertical holding function.

Referring to fig. 1 and 2, the chemical composition power module 10 further includes a second fixing bar 600, the second fixing bar 600 being disposed perpendicular to the back surface of the PCB board 200, the second fixing bar 600 being disposed at the bottom of the PCB board 200, the PCB board 200 being fixed with the support plate 100 by the second fixing bar 600. The second fixing bar 600 is disposed at the bottom end of the PCB board 200, and one end is connected with the PCB board 200 or integrally formed therewith, and then is connected with the support plate 100 through fasteners such as screws or bolts by the second fixing bar 600, so that the PCB board 200 can be maintained to be vertically maintained on the support plate 100.

The chemical composition power module 10 further includes a cabinet 700, the cabinet 700 is formed with a receiving cavity, the supporting plate 100 and the bottom plate of the cabinet 700 are integrally formed or the supporting plate 100 is mounted on the bottom plate of the cabinet 700, and the PCB board 200 can be located in the receiving cavity. All the PCBs 200 can be protected and surrounded to form an overall modular structure through the cabinet 700, and then be connected with the probe module by being extended out of the bottom of the cabinet 700 through the first and

second connectors

300 and 400. As will be readily appreciated, the cabinet 700 is formed with two cavities along the width axis, the cavities are formed with two mounting areas 110 symmetrically arranged with respect to the length axis, and the PCB boards 200 in the two cavities are arranged in a staggered manner, so that heat dissipation of the PCB boards 200 can be facilitated.

Referring to fig. 3, the integrated circuit surfaces of the PCBs 200 in the two cavities face opposite directions, and the PCBs 200 in one cavity are disposed between the gaps of the PCBs 200 in the other cavity. For example, in the figure, the cavity is divided into a left cavity and a right cavity, the left cavity is provided with two mounting areas 110, the mounting areas 110 of the left cavity are provided with six PCB boards 200, the PCB boards 200 are perpendicular to the bottom plate of the cabinet, the integrated circuits of the PCB boards 200 face to the right side, the number of the PCB boards 200 of the right cavity symmetrically arranged relative to the central line of the width of the left cavity is also 6, and the mounting positions of the PCB boards can be set according to the central line of the interval distance between the PCB boards 200 in the left cavity, so that when the PCB boards 200 are projected onto one surface, the interval distance is half of that in one mounting area 110, and thus, the heat of the PCB boards can flow better, and the heat dissipation effect is improved.

Referring to fig. 3, it is conceivable that the cabinet 700 is provided with the heat radiation fans 710, the heat radiation fans 710 are provided on the side plates of the cabinet 700 in the length direction, and the heat radiation fans 710 are provided at intervals along the width and length directions of the side plates of the cabinet 700. The cooling fan 710 may adopt a fan structure commonly used in the power lamp electronic device of the prior art, and the cooling fan 710 may perform air cooling on the PCB board inside the cabinet 700, thereby preventing the temperature inside the cabinet 700 from being too high, and improving the reliability of the component power module 10. And the heat dissipation fans 710 are distributed at intervals along the length direction of the side plate of the cabinet 700 and layered along the height direction of the PCB 200, so that the heat dissipation of the PCB 200 can be ensured to be more uniform, and the temperature of a certain part inside the cabinet 700 is prevented from being too high.

Referring to fig. 4, a chemical composition testing apparatus includes: the housing 20, the probe module 30, and the component power module 10. Wherein, the bottom of the frame 20 is provided with a battery cell placement position 21, and the battery cell can be placed on the battery cell placement position 21. The probe module 30 is disposed above the cell placement site 21, and the probe module 30 includes a connection portion 31 disposed at the top and a probe 32 disposed at the bottom, the probe 32 corresponding to the cell placement site 21. The chemical-mechanical power module 10 is disposed at the top of the frame 20, and the portions of the first and

second connection members

300 and 400 protruding to the bottom surface of the support plate 100 are connected to the connection portion 31. Specifically, the rack 20 includes a carrier 22, a top plate 23, and a lifting rod 24, the carrier 22 and the top plate 23 are disposed up and down oppositely, a lifting rod 24 capable of lifting is disposed between the carrier 22 and the top plate 23, the top plate 23 is formed with a groove, and the component power module 10 is slidably mounted in the groove. The carrier plate 22 is used for supporting the whole equipment, a plurality of vertically arranged convex blocks are arranged at intervals on the bottom of the carrier plate 22, and the height of the convex blocks is equal to form a battery cell placement position 21, and the convex blocks can also be arranged to be telescopic, so that the battery cells can be driven to move to be in contact with the probes 32. As shown in fig. 4, two lifting rods 24 are arranged at two sides between the carrier plate 22 and the top plate 23, the lifting rods 24 are cylinders or electric push rods, and the lifting rods 24 can drive the top plate 23 to move, so that the probes 32 extend into the battery cells.

The top plate 23 is for supporting the mounting of the chemical-composition power supply module 10 and the mounting of the probe module 30. The structure of the top plate 23 is not limited to a plate shape. For example, the top plate 23 includes two support blocks disposed opposite to each other, the lifting rods 24 are disposed between the two support blocks and the carrier plate 22, the bottom of the chemical composition power module 10 is provided with sliding recesses, the opening directions of the recesses face the outer ends of the two sides, and the recesses are slidably connected with the support blocks, respectively, so that the chemical composition power module 10 can be adjusted to move along the length direction of the support blocks.

Referring to fig. 4, the probe module 30 includes a plurality of mounting plates disposed along a length direction of the cell placement site 21, the mounting plates being disposed in parallel at intervals, and both ends of the mounting plates being connected by connecting plates, the connecting plates being fixed to the recess, thereby forming a modular connection between the probe module 30 and the component power module 10. The top of mounting panel is installed a plurality of connecting portions 31, and the bottom of mounting panel is provided with a plurality of probes 32, and connecting portion 31 can be connected with formation composition power module 10 through the electric wire, and probes 32 are evenly distributed along the length direction interval of mounting panel. The chemical component capacity test equipment integrates the rack 20, the probe module 30 and the chemical component capacity power module 10, vertically places the PCB 200 of the chemical component capacity power module 10, saves occupied space, and is in short-distance contact connection with the probe 32 to connect the battery core, thereby reducing the whole occupied area of the equipment, shortening the wire length, reducing the manufacturing cost and being beneficial to debugging and maintenance.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A chemical composition power module, comprising:

a support plate, the top surface of which is formed with at least one mounting area;

the PCB plates are perpendicular to the supporting plate, the installation areas are arranged at intervals and provided with a plurality of PCB plates, the PCB plates comprise positive electrode ends and negative electrode ends, the positive electrode ends of at least two PCB plates located in the same installation area are connected through a first connecting piece, and the negative electrode ends of at least two PCB plates located in the same installation area are connected through a second connecting piece;

one ends of the first connecting piece and the second connecting piece penetrate through the supporting plate and extend out to the bottom surface of the supporting plate.

2. The chemical-mechanical power module of claim 1, wherein: the formation component power module further comprises a first fixing strip, a plurality of mounting holes are formed in the first fixing strip at intervals, the first fixing strip extends along the length direction of the mounting area, and the PCB is fixed with the first fixing strip through a fastener.

3. The chemical-mechanical power module of claim 1 or 2, wherein: the formation component power module further comprises a second fixing strip, the second fixing strip is perpendicular to the back surface of the PCB, the second fixing strip is arranged at the bottom of the PCB, and the PCB is fixed with the supporting plate through the second fixing strip.

4. The chemical-mechanical power module of claim 1, wherein: the formation composition power module further comprises a cabinet body, the cabinet body is provided with a containing cavity, the supporting plate and the bottom plate of the cabinet body are integrally formed or mounted on the bottom plate of the cabinet body, and the PCB can be located in the containing cavity.

5. The chemical-mechanical power module of claim 4, wherein: the cabinet body is formed with two cavities along the width axis, the cavity is formed with two installation areas symmetrically arranged relative to the length axis, and the PCB boards in the two cavities are arranged in a staggered mode.

6. The chemical-mechanical power module of claim 5, wherein: the integrated circuit surfaces of the PCBs in the two cavities face opposite directions, and the PCBs in one cavity are arranged between gaps of the PCBs in the other cavity.

7. The chemical-mechanical power module of claim 5, wherein: the cabinet body is provided with a cooling fan, the cooling fan is arranged on a side plate in the length direction of the cabinet body, and the cooling fan is arranged along the width and length direction of the side plate of the cabinet body at intervals.

8. The chemical-mechanical power module of claim 1, wherein: the first connecting piece and the second connecting piece respectively comprise a first connecting plate and a second connecting plate which are perpendicular to each other, the first connecting plate is used for connecting the positive electrode end or the negative electrode end, and the second connecting plate is used for connecting the first connecting plate.

9. A chemical component capacity test apparatus, comprising:

the battery cell placement position is arranged at the bottom of the rack;

the probe module is arranged above the battery cell placement position and comprises a connecting part arranged at the top and a probe arranged at the bottom, and the probe corresponds to the battery cell placement position; and

the chemical-mechanical power module of any one of claims 1 to 8, disposed on top of a rack, wherein the portions of the first and second connection members extending to the bottom surface of the support plate are connected to the connection portion.

10. The chemical composition testing apparatus according to claim 9, wherein the rack comprises

The lifting device comprises a carrier plate, a top plate and lifting rods, wherein the carrier plate and the top plate are oppositely arranged, lifting rods capable of lifting are arranged between the carrier plate and the top plate, grooves are formed in the top plate, and the chemical composition power supply module is slidably arranged in the grooves.