CN220398795U - Battery pack air tightness testing and compressing mechanism - Google Patents

Battery pack air tightness testing and compressing mechanism Download PDF

Info

Publication number
CN220398795U
CN220398795U CN202320804421.4U CN202320804421U CN220398795U CN 220398795 U CN220398795 U CN 220398795U CN 202320804421 U CN202320804421 U CN 202320804421U CN 220398795 U CN220398795 U CN 220398795U
Authority
CN
China
Prior art keywords
battery pack
hold
pressing
plate
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202320804421.4U
Other languages
Chinese (zh)
Inventor
宋永洲
伍建良
卞金龙
吴忠伟
郭良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiewei Power Industry Jiangsu Co ltd
Original Assignee
Jiewei Power Industry Jiangsu Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiewei Power Industry Jiangsu Co ltd filed Critical Jiewei Power Industry Jiangsu Co ltd
Priority to CN202320804421.4U priority Critical patent/CN220398795U/en
Application granted granted Critical
Publication of CN220398795U publication Critical patent/CN220398795U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Battery Mounting, Suspending (AREA)

Abstract

The utility model provides a battery pack air tightness testing and compressing mechanism, which comprises a testing platform, a supporting beam assembly and a compressing assembly, wherein the testing platform is arranged on the supporting beam assembly; the testing platform is used for placing a large battery pack, the supporting beam assembly and the testing platform are arranged oppositely, three pressing assemblies are arranged on the supporting beam assembly and used for pressing the battery pack, and the pressing positions of the three pressing assemblies, which are matched with the battery pack, are distributed in a delta shape. According to the utility model, the three pressing assemblies can be used for pressing at two sides or front and rear sides according to requirements, so that the maintenance and adjustment are convenient, the pressing force can be detected in the pressing process, and personnel and product protection can be realized.

Description

Battery pack air tightness testing and compressing mechanism
Technical Field
The utility model belongs to the field of battery testing, and particularly relates to a battery pack air tightness testing and compressing mechanism.
Background
The battery pack mainly comprises a box body and a box cover, and mainly plays roles of supporting, resisting mechanical impact, mechanical vibration and protecting environment. As a carrier for the battery module, it plays a key role in the safety and protection work of the battery module, and the waterproof performance generally reaches the IP67 level. The airtight test is mainly to charge a certain amount of gas into a sealed space to be detected, and then calculate leakage amount by measuring pressure change in a sealed bin, so as to judge whether the sample is qualified.
In order to meet the endurance requirement, on one hand, the structural design of the battery pack box body is larger, so that more battery modules can be conveniently installed, and on the other hand, the whole weight of the battery pack is lightened, the box body is made of aluminum materials, and the box cover is made of thin steel plates or composite materials. In the airtight test process, the case cover deforms due to the effect of inflation pressure (4 Kpa), so that the whole volume of the case cover changes, the test inflation time is prolonged, and the case cover deforms or is damaged.
Disclosure of Invention
In view of the above, the present utility model is directed to a battery pack air tightness testing and compressing mechanism to solve the above-mentioned problems.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the battery pack air tightness testing and compressing mechanism comprises a testing platform, a supporting beam assembly and a compressing assembly; the testing platform is used for placing a large battery pack, the supporting beam assembly and the testing platform are arranged oppositely, three pressing assemblies are arranged on the supporting beam assembly and used for pressing the battery pack, and the pressing positions of the three pressing assemblies, which are matched with the battery pack, are distributed in a delta shape.
Further, the supporting beam subassembly includes a supporting beam, no. two supporting beams and a plurality of tie-beams, a supporting beam and No. two supporting beams are portal frame type installation on the bottom surface, and a supporting beam's top and No. two supporting beams's top are connected through a plurality of tie-beams, and a plurality of tie-beams have formed three fixed area, fixed area is used for installing and compresses tightly the subassembly.
Further, the compressing assembly comprises a top plate, a compressing plate, a guide rod and a compressing air cylinder, wherein the top plate is arranged in a fixed area arranged on the connecting beam, the compressing air cylinder is arranged on the upper surface of the top plate, and the output end of the compressing air cylinder penetrates through the top plate to be connected with the compressing plate; four corners of the compacting plate are respectively provided with a guide rod, four corners of the top plate are respectively provided with guide holes corresponding to the guide rods one by one, and the guide rods penetrate through the guide holes to realize the linear movement of the compacting plate.
Further, the output end of the compression cylinder is connected to the compression plate through a pressure transmission plate, and a plurality of springs are arranged between the pressure transmission plate and the compression plate.
Further, the lower surface of the compaction plate is provided with a nylon guard plate.
Further, among the three compressing assemblies, the compressing assembly of the testing platform tip of setting at the tip is compressing assembly No. one, and two compressing assemblies of setting at testing platform middle part are compressing assembly No. two and compressing assembly No. three, and No. two compressing assemblies are highly the same with the installation of compressing assembly No. three, and the installation height of compressing assembly No. one is higher than the installation height of compressing assembly No. two, agrees with mutually with the compressing position of battery package.
Further, the compacting plates are provided with pressure sensors.
Compared with the prior art, the battery pack air tightness testing and compressing mechanism has the following advantages:
(1) The battery pack air tightness testing and compressing mechanism adopts the servo mechanism, can compress at both sides or front and back sides according to requirements, is convenient to maintain and adjust, can detect compressing force in the compressing process, realizes personnel and product protection, and can ensure action protection after electric control failure by the locking ring.
(2) The battery pack air tightness testing and compressing mechanism is characterized in that a nylon guard plate is arranged at the lower part of a pressure bottom plate, and can be adjusted according to the shape and structure of the upper surface of a battery pack, so that the battery pack air tightness testing and compressing mechanism is suitable for battery packs in various forms.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a front view of a battery pack air tightness test hold-down mechanism according to an embodiment of the present utility model;
FIG. 2 is a side view of a battery pack air tightness test hold-down mechanism according to an embodiment of the present utility model;
fig. 3 is a schematic perspective view of a battery pack air tightness test pressing mechanism according to an embodiment of the utility model.
Reference numerals illustrate:
1. a test platform; 2. a support beam assembly; 21. a first support beam; 22. a second supporting beam; 23. a connecting beam; 3. a compression assembly; 31. a top plate; 32. a compacting plate; 33. a guide rod; 34. a compacting cylinder; 35. a pressure transmission plate; 36. a spring; 4. and a battery pack.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The battery pack 4 is airtight tested and pressed by a mechanism, as shown in fig. 1 and 2, and comprises a test platform 1, a support beam assembly 2 and a pressing assembly 3; the testing platform 1 is used for placing a large battery pack 4, the supporting beam assembly 2 and the testing platform 1 are oppositely arranged, three pressing assemblies 3 are arranged on the supporting beam assembly 2, the pressing assemblies 3 are used for pressing the battery pack 4, and the pressing positions of the three pressing assemblies 3, which are matched with the battery pack 4, are distributed in a delta shape.
Preferably, the support beam assembly 2 includes a first support beam 21, a second support beam 22 and a plurality of connection beams 23, the first support beam 21 and the second support beam 22 are installed on the bottom surface in a portal frame type, the top of the first support beam 21 and the top of the second support beam 22 are connected through a plurality of connection beams 23, and a plurality of connection beams 23 form three fixing areas for installing the pressing assembly 3.
Preferably, the compressing assembly 3 comprises a top plate 31, a compressing plate 32, a guide rod 33 and a compressing cylinder 34, wherein the top plate 31 is arranged in a fixed area where the connecting beam 23 is arranged, the compressing cylinder 34 is arranged on the upper surface of the top plate 31, and the output end of the compressing cylinder 34 passes through the top plate 31 to be connected with the compressing plate 32; four corners of the compacting plate 32 are respectively provided with a guide rod 33, four corners of the top plate 31 are respectively provided with guide holes corresponding to the guide rods 33 one by one, and the guide rods 33 penetrate through the guide holes to realize linear movement of the compacting plate 32.
Preferably, the output end of the compressing cylinder 34 is connected to the compressing plate 32 through a pressure transmission plate 35, and a plurality of springs 36 are arranged between the pressure transmission plate 35 and the compressing plate 32, so as to achieve the damping effect and prevent hard collision, thereby damaging the parts.
Preferably, the nylon guard plate is disposed on the lower surface of the pressing plate 32, and can be adjusted according to the shape and structure of the upper surface of the battery pack 4, so that the pressing plate is suitable for battery packs 4 with various forms and can protect the battery packs 4.
Preferably, in the three compacting assemblies 3, the compacting assembly 3 arranged at the end part of the testing platform 1 is a first compacting assembly 3, the two compacting assemblies 3 arranged in the middle of the testing platform 1 are a second compacting assembly 3 and a third compacting assembly 3, the mounting heights of the second compacting assembly 3 and the third compacting assembly 3 are the same, and the mounting height of the first compacting assembly 3 is higher than the mounting height of the second compacting assembly 3 and is matched with the compacting position of the battery pack 4.
Preferably, the hold-down plate 32 is provided with a pressure sensor connected to a controller provided on the support beam assembly 2; for detecting whether the pressing plate 32 is in contact with the battery pack 4 or not, and whether the pressure value reaches a set standard value.
Preferably, a locking ring is arranged at the end of the guide rod 33, so as to realize mechanical limit and prevent the electric control failure from continuously pressing down, thereby damaging the battery pack 4.
If the opposite safety grille is opened, the pressing mechanism does not execute descending action, and mainly prevents people from being noticed to be opposite, and potential safety hazards exist.
The working principle is that the battery pack 4 reaches the test platform 1; installing an airtight plug-in tool; scanning a battery pack 4 code, and starting a compression signal; pressing down by the pressing mechanism, and triggering a ranging signal; compressing the platform in place, and starting a test signal; the airtight test starts; displaying a test result; qualified test and compression signal triggering; the pressing mechanism is lifted to an initial position.
After the battery pack 4 reaches the test platform 1 along with the assembly line, a green indicator lamp in a starting button is lightened, three cylinders are started simultaneously, a transmission rod pushes a pressure transmission plate 35 to move downwards under the limit of a guide shaft, a pressure bottom plate starts to descend together, when a nylon guard plate on the pressure bottom plate contacts with the upper cover of the battery pack 4, a sensor ranging signal is triggered, the cylinders stop working, and the compression process is completed. At this time, the wireless code scanner is used for scanning the battery pack 4 codes manually, the airtight tester starts automatic testing, the test is qualified after the test is finished, the release key in the starting button is pressed, the three cylinders are started simultaneously, the transmission rod drives the pressure transmission plate 35 to move upwards under the limit of the guide shaft, the pressure bottom plate starts to rise to the original position together, and the rising process is finished.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (7)

1. The battery pack air tightness testing and compressing mechanism is characterized in that: the device comprises a test platform, a support beam assembly and a compaction assembly; the testing platform is used for placing a large battery pack, the supporting beam assembly and the testing platform are arranged oppositely, three pressing assemblies are arranged on the supporting beam assembly and used for pressing the battery pack, and the pressing positions of the three pressing assemblies, which are matched with the battery pack, are distributed in a delta shape.
2. The battery pack air tightness test hold down mechanism of claim 1, wherein: the supporting beam assembly comprises a first supporting beam, a second supporting beam and a plurality of connecting beams, wherein the first supporting beam and the second supporting beam are installed on the bottom surface in a portal frame mode, the top of the first supporting beam and the top of the second supporting beam are connected through the plurality of connecting beams, the plurality of connecting beams form three fixing areas, and the fixing areas are used for installing the pressing assembly.
3. The battery pack air tightness test hold down mechanism of claim 1, wherein: the pressing assembly comprises a top plate, a pressing plate, a guide rod and a pressing cylinder, wherein the top plate is arranged in a fixed area arranged on the connecting beam, the pressing cylinder is arranged on the upper surface of the top plate, and the output end of the pressing cylinder penetrates through the top plate to be connected with the pressing plate; four corners of the compacting plate are respectively provided with a guide rod, four corners of the top plate are respectively provided with guide holes corresponding to the guide rods one by one, and the guide rods penetrate through the guide holes to realize the linear movement of the compacting plate.
4. A battery pack air tightness test hold down mechanism according to claim 3, wherein: the output end of the compression cylinder is connected to the compression plate through a pressure transmission plate, and a plurality of springs are arranged between the pressure transmission plate and the compression plate.
5. A battery pack air tightness test hold down mechanism according to claim 3, wherein: the lower surface of the compaction plate is provided with a nylon guard plate.
6. The battery pack air tightness test hold down mechanism of claim 1, wherein: among the three hold-down assemblies, the hold-down assembly of test platform tip that sets up at the tip is a hold-down assembly, and two hold-down assemblies that set up at test platform middle part are No. two hold-down assemblies and No. three hold-down assemblies, and No. two hold-down assemblies are highly the same with No. three hold-down assembly's installation, and the installation height of a hold-down assembly is higher than the installation height of No. two hold-down assemblies, agrees with the hold-down position of battery package mutually.
7. A battery pack air tightness test hold down mechanism according to claim 3, wherein: the compacting plates are provided with pressure sensors.
CN202320804421.4U 2023-04-12 2023-04-12 Battery pack air tightness testing and compressing mechanism Active CN220398795U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320804421.4U CN220398795U (en) 2023-04-12 2023-04-12 Battery pack air tightness testing and compressing mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320804421.4U CN220398795U (en) 2023-04-12 2023-04-12 Battery pack air tightness testing and compressing mechanism

Publications (1)

Publication Number Publication Date
CN220398795U true CN220398795U (en) 2024-01-26

Family

ID=89597978

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320804421.4U Active CN220398795U (en) 2023-04-12 2023-04-12 Battery pack air tightness testing and compressing mechanism

Country Status (1)

Country Link
CN (1) CN220398795U (en)

Similar Documents

Publication Publication Date Title
CN220398795U (en) Battery pack air tightness testing and compressing mechanism
KR102545270B1 (en) Pressurizing device for charging/discharging pouch-type battery cells with monitoring system
CN117433734A (en) High-low temperature explosion-proof test system for lithium battery
CN219267077U (en) Safety alarm device for preventing dump load ballast platform from overturning
CN217331497U (en) Pressing tool for testing air tightness of power battery pack
CN211178812U (en) Battery module expansive force testing device
CN113532712A (en) Detection device for testing impact force of automobile safety airbag
CN217639454U (en) Detection apparatus for invariable pressure under lithium cell thickness continuously changes
CN216410621U (en) Automatic damping checking fixture
CN220083880U (en) Thickness measuring mechanism of battery pressurizing thickness measuring device
CN219503267U (en) Battery testing device
CN220508227U (en) Weighing sensor testing device
CN219551470U (en) Thickness measuring device capable of balancing weight
CN111024326A (en) Cap pressure testing machine
CN219123440U (en) Battery bulge making machine and battery bulge making device
CN219350300U (en) Square aluminum shell battery module packaging equipment and battery module
CN220625125U (en) Battery pressurizing thickness measuring device
CN220960985U (en) Air pressure resistance test equipment of battery box
CN217901166U (en) Storage battery vibration energy storage detection device
CN217981108U (en) New energy battery closing cap pressure measurement
CN217981074U (en) Tool for detecting rigidity of metal material
CN220751509U (en) Air tightness detection device for battery shell
CN219328396U (en) Electronic component size detection equipment
CN220077744U (en) Feeding compacting device
CN220399100U (en) Durable testing arrangement

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant