阅读说明：本技术 一种电池上壳体的密封性检测装置 (Tightness detection device for battery upper shell ) 是由 朱凌峰 钱冠杰 王訾孝 于 2019-10-12 设计创作，主要内容包括：本发明公开了一种电池上壳体的密封性检测装置,包括下壳体(1)、压紧组件(2)和测漏仪,下壳体(1)与待测件(3)相密封配合,下壳体(1)开设有抽气孔或输气孔；待测件(3)设置有装配孔,压紧组件(2)包括压钳,压钳与所述装配孔密封压紧配合；测漏仪位于下壳体(1)内。上述电池上壳体的密封性检测装置量化检测的各项性能指数；自动化控制,提高检测效率。(The invention discloses a device for detecting the sealing property of an upper shell of a battery, which comprises a lower shell (1), a pressing assembly (2) and a leak detector, wherein the lower shell (1) is in sealing fit with a piece to be detected (3), and the lower shell (1) is provided with an air suction hole or an air delivery hole; the piece to be tested (3) is provided with an assembly hole, the pressing component (2) comprises a pressing clamp, and the pressing clamp is in sealing and pressing fit with the assembly hole; the leak detector is positioned in the lower shell (1). The tightness detection device of the upper shell of the battery quantifies and detects various performance indexes; automatic control is realized, and the detection efficiency is improved.)

1. The device for detecting the sealing performance of the upper shell of the battery is characterized by comprising a lower shell (1), a pressing assembly (2) and a leak detector, wherein the lower shell (1) is in sealing fit with a piece to be detected (3), and the lower shell (1) is provided with an air suction hole or an air delivery hole; the piece to be tested (3) is provided with an assembling hole, the pressing component (2) comprises a pressing clamp, and the pressing clamp is in sealing and pressing fit with the assembling hole; the leak detector is positioned in the lower shell (1).

2. The device for detecting the tightness of the upper shell of the battery according to claim 1, wherein a sealing strip (13) is arranged between the lower shell (1) and the piece to be detected (3), and a groove matched with the sealing strip (13) is formed in the position where the lower shell (1) and the piece to be detected (3) are matched with the sealing strip (13).

3. The upper battery case tightness detection device according to claim 1, wherein the member to be tested (3) includes a lower fitting hole (31); the pressing assembly (2) comprises a lower driving cylinder (211) and a lower pressing clamp (212), and the lower driving cylinder (211) is fixedly connected with the lower shell (1); the lower pressing clamp (212) is in driving connection with a gas rod of the lower driving cylinder (211), a first sealing ring is arranged on a pressing end face of the lower pressing clamp (212), the lower pressing clamp (212) is in sealing fit with the lower assembling hole (31), and the lower pressing clamp (212) is driven by the lower driving cylinder (211) to press the to-be-detected piece (3) and the lower shell (1) together.

4. The device for detecting the tightness of the upper shell of the battery as claimed in claim 3, wherein the pressing assembly (2) further comprises a lower connecting rod (213), a lower bent block (214), a lower fixing block (215) and a lower rotating shaft (216), and a plurality of lower pressing pincers (212) are fixedly connected with the lower rotating shaft (216); one end of the lower bent block (214) is fixedly connected with the lower rotating shaft (216), the other end of the lower bent block (214) is rotatably connected with one end of the lower connecting rod (213), and the other end of the lower connecting rod (213) is rotatably connected with the air rod of the lower driving air cylinder (211); the lower fixing block (215) is fixedly connected with the lower shell (1), and the lower fixing block (215) is rotatably connected with the lower rotating shaft (216).

5. The upper battery case tightness detection device according to claim 3, wherein the member to be tested (3) further comprises an upper fitting hole (32); a guide rail (11) is arranged on the lower shell (1) or the base (5) below the lower shell (1); the guide rail structure further comprises a cross beam frame (4), wherein the cross beam frame (4) is provided with a guide part matched with the guide rail (11); the pressing assembly (2) further comprises an upper pressing block (221) and an upper driving cylinder (222), the upper pressing block (221) is in driving connection with an air rod of the upper driving cylinder (222), a second sealing ring is arranged on a pressing end face of the upper pressing block (221), the upper pressing block (221) is in sealing fit with the upper assembling hole (32), and the upper pressing block (221) is driven by the upper driving cylinder (222) to press the piece to be detected (3) and the lower shell (1) together; the upper driving cylinder (222) is fixedly connected with the cross beam frame (4).

6. The device for detecting the sealability of a battery upper case according to claim 5, wherein the guide part is a slider (41).

7. The battery upper case sealability detection apparatus according to claim 5, wherein the member to be tested (3) is provided with an upper protrusion (33), and the upper protrusion (33) includes a side fitting hole (331); the pressing assembly (2) further comprises a side driving cylinder (231) and a side sealing block (232), and the side driving cylinder (231) is rotatably connected with the lower shell (1); the side sealing block (232) is in driving connection with an air rod of the side driving air cylinder (231), and the side sealing block (232) is in sealing fit with the side assembling hole (331).

8. The device for detecting the tightness of the upper battery shell according to claim 7, wherein the pressing assembly (2) further comprises a side rotating shaft (233), a side connecting piece (234) and a side fixing block (235), and the side sealing block (232) is fixedly connected with the side rotating shaft (233); one end of the side connecting piece (234) is fixedly connected with the side rotating shaft (233), and the other end of the side connecting piece (234) is rotatably connected with an air rod of the side driving air cylinder (231); the side fixing block (235) is rotatably connected with the side rotating shaft (233), and the side fixing block (235) is fixedly connected with the lower shell (1).

Technical Field

The invention relates to a device for detecting the sealing performance of an upper shell of a battery.

Background

At present, the power battery has the advantages of environmental protection, no pollution, long cycle life and the like, and is widely applied to the fields of communication, illumination, energy storage, electric vehicles, electric bicycles and the like. With the rapid development of the new energy automobile industry, the safety of the power battery box as one of the core components of the electric automobile is very important, and the safety performance of the whole electric automobile is affected. However, in the prior art, the upper shell and the lower shell need to be sealed and locked through the sealing locking screw, then the sealing performance of the upper shell and the lower shell is detected, and the sealing locking screw needs to be removed after the detection is finished, so that the detection efficiency is greatly influenced.

Therefore, there is a need for an improved device for detecting the sealability of an upper case of a battery in the prior art.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a device for detecting the sealing property of an upper shell of a battery, which quantifies each performance index of detection; automatic control is realized, and the detection efficiency is improved; the universality is realized, and similar products can detect the tightness through the equipment.

In order to realize the technical effects, the technical scheme of the invention is as follows: the device for detecting the sealing performance of the upper shell of the battery is characterized by comprising a lower shell (1), a pressing assembly (2) and a leak detector, wherein the lower shell (1) is in sealing fit with a piece to be detected (3), and the lower shell (1) is provided with an air suction hole or an air delivery hole; the piece to be tested (3) is provided with an assembling hole, the pressing component (2) comprises a pressing clamp, and the pressing clamp is in sealing and pressing fit with the assembling hole; the leak detector is positioned in the lower shell (1).

Through such design, casing (1) under the frock simulation, the sealed locking screw of pressing pincers simulation, the actual installation detection step of at utmost simulation, and airtight cooperation of casing and lower casing in the realization that can be quick.

The preferred technical scheme does, down casing (1) with be provided with sealing strip (13) between await measuring piece (3), down casing (1) in await measuring piece (3) and sealing strip (13) complex position offer with the recess of sealing strip (13) adaptation. Through such design, strengthen the leakproofness of power battery case, make things convenient for the location of going up casing (3) and lower casing (1) simultaneously.

The preferable technical scheme is that the piece to be measured (3) comprises a lower assembly hole (31); the pressing assembly (2) comprises a lower driving cylinder (211) and a lower pressing clamp (212), and the lower driving cylinder (211) is fixedly connected with the lower shell (1); the lower pressing clamp (212) is in driving connection with a gas rod of the lower driving cylinder (211), a first sealing ring is arranged on a pressing end face of the lower pressing clamp (212), the lower pressing clamp (212) is in sealing fit with the lower assembling hole (31), and the lower pressing clamp (212) is driven by the lower driving cylinder (211) to press the to-be-detected piece (3) and the lower shell (1) together. Through the design, the actual installation steps are simulated, all the lower assembly holes (31) are sealed through the lower pressing pliers (212), and the upper shell (3) and the lower shell (1) are pressed together.

The preferable technical scheme is that the pressing assembly (2) further comprises a lower connecting rod (213), a lower bent block (214), a lower fixing block (215) and a lower rotating shaft (216), and a plurality of lower pressing pliers (212) are fixedly connected with the lower rotating shaft (216); one end of the lower bent block (214) is fixedly connected with the lower rotating shaft (216), the other end of the lower bent block (214) is rotatably connected with one end of the lower connecting rod (213), and the other end of the lower connecting rod (213) is rotatably connected with the air rod of the lower driving air cylinder (211); the lower fixing block (215) is fixedly connected with the lower shell (1), and the lower fixing block (215) is rotatably connected with the lower rotating shaft (216). Through the design, the number of the lower driving cylinders (211) is reduced, the energy consumption is reduced, and the cost is reduced.

The preferable technical scheme is that the piece to be measured (3) further comprises an upper assembling hole (32); a guide rail (11) is arranged on the lower shell (1) or the base (5); the guide rail structure further comprises a cross beam frame (4), wherein the cross beam frame (4) is provided with a guide part matched with the guide rail (11); the pressing assembly (2) further comprises an upper pressing block (221) and an upper driving cylinder (222), the upper pressing block (221) is in driving connection with an air rod of the upper driving cylinder (222), a second sealing ring is arranged on a pressing end face of the upper pressing block (221), the upper pressing block (221) is in sealing fit with the upper assembling hole (32), and the upper pressing block (221) is driven by the upper driving cylinder (222) to press the piece to be detected (3) and the lower shell (1) together; the upper driving cylinder (222) is fixedly connected with the cross beam frame (4). Through the design, the cross beam frame (4) can move to two sides, so that the upper shell can be conveniently assembled and disassembled; and simulating an actual mounting step, sealing all the upper assembly holes (32) through an upper pressing block (221), and simultaneously pressing the upper shell (3) and the lower shell (1) together.

Preferably, the guide part is a slider (41). As an equivalent alternative, the guide may also be a roller.

The preferable technical scheme is that the piece to be measured (3) is provided with an upper protrusion (33), and the upper protrusion (33) comprises a side assembling hole (331); the pressing assembly (2) further comprises a side driving cylinder (231) and a side sealing block (232), and the side driving cylinder (231) is rotatably connected with the lower shell (1); the side sealing block (232) is in driving connection with an air rod of the side driving air cylinder (231), and the side sealing block (232) is in sealing fit with the side assembling hole (331). With this design, the actual mounting step is simulated, and all the side fitting holes (331) are sealed by the side seal block (232).

The pressing assembly (2) further comprises a side rotating shaft (233), a side connecting piece (234) and a side fixing block (235), and the side sealing block (232) is fixedly connected with the side rotating shaft (233); one end of the side connecting piece (234) is fixedly connected with the side rotating shaft (233), and the other end of the side connecting piece (234) is rotatably connected with an air rod of the side driving air cylinder (231); the side fixing block (235) is rotatably connected with the side rotating shaft (233), and the side fixing block (235) is fixedly connected with the lower shell (1).

The preferable technical scheme is that the lower pressing pliers (212) and the lower rotating shaft (216) can move and be locked according to the position of the actual lower assembly hole (31); the side sealing block (232) and the side rotating shaft (233) can be movably locked according to the position of the actual side assembling hole (331). By means of the design, universality is achieved, and similar products can detect sealing performance through the device.

The invention has the advantages and beneficial effects that: the device for detecting the sealing property of the upper shell of the battery is reasonable in structure, and one-key automatic control is realized by simulating a normal installation detection step; compared with the prior art, the sealing locking screw is prevented from being installed and detached, so that the detection efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of an embodiment 1 of a device for detecting sealability of an upper case of a battery according to the present invention;

fig. 2 is a schematic structural view of the connection of an upper case and a lower case of an embodiment 1 of the sealability testing apparatus of an upper case for a battery according to the present invention;

fig. 3 is a side view of embodiment 1 of the tightness testing device of the upper case of the battery according to the present invention;

fig. 4 is a plan view of a lower case of an embodiment 1 of a device for detecting sealability of an upper case for a battery according to the present invention;

fig. 5 is a schematic structural view of a pressing member for sealing and pressing a lower mounting hole of an embodiment 1 of a device for detecting the sealing property of an upper battery case according to the present invention;

fig. 6 is a schematic structural view of a pressing member of a seal side fitting hole of embodiment 1 of a device for detecting sealability of a battery upper case according to the present invention.

In the figure: 1. a lower housing; 11. a guide rail; 12. an air exhaust hole; 13. a sealing strip; 2. a compression assembly; 211. a lower driving cylinder; 212. pressing down the pliers; 213. a lower connecting rod; 214. a lower yeast block; 215. a lower fixed block; 216. a lower rotating shaft; 221. pressing the blocks; 222. an upper driving cylinder; 231. a side drive cylinder; 232. a side seal block; 233. a side rotating shaft; 234. a side connecting sheet; 235. a side fixing block; 3. a piece to be tested; 31. a lower assembly hole; 32. an upper assembly hole; 33. an upper protrusion; 331. a side assembly aperture; 4. a cross beam frame; 41. a slider; 5. a base.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.