CN215004140U - Battery leakage detection device - Google Patents
Battery leakage detection device Download PDFInfo
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- CN215004140U CN215004140U CN202120944294.9U CN202120944294U CN215004140U CN 215004140 U CN215004140 U CN 215004140U CN 202120944294 U CN202120944294 U CN 202120944294U CN 215004140 U CN215004140 U CN 215004140U
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Abstract
The utility model relates to a battery leakage detection device, which comprises a support frame, an upper shell, a lower shell, a first driving mechanism and a gas sensor; the supporting frame comprises a bottom plate and a supporting piece; the upper shell is arranged on the support piece through a guide mechanism and moves back and forth along the guide direction of the guide mechanism; the first driving mechanism is arranged on the supporting piece, and the output end of the first driving mechanism is connected with the upper shell; the lower shell is arranged on the bottom plate in a front-back sliding mode, the upper shell and the lower shell reach a first state and a second state through relative movement, the upper shell and the lower shell in the first state are covered to form a sealed cavity, and the upper shell and the lower shell in the second state are separated to expose the battery placing cavity of the lower shell; one side of the upper shell is provided with an inflation hole, and a vacuumizing and detecting hole is arranged at a position far away from the inflation hole; the gas sensor is detachably connected with the vacuumizing and detecting hole through a gas pipe connector. The utility model discloses the detection rate is high, saved suction nozzle, detection efficiency height and need not artifical the participation.
Description
Technical Field
The utility model relates to a battery weeping detects technical field, specifically is about a battery weeping detection device.
Background
Lithium batteries are articles that are often used in our lives. For safety, the lithium battery needs to detect whether the lithium battery leaks or not before being boxed and packed in a battery cell production line.
At present, the leakage detection of the traditional soft package lithium battery is realized by blowing and bulging the battery through atmospheric pressure difference. Specifically, a single battery is placed in a sealed cavity with good sealing performance, the cavity is opened in an up-and-down opening mode, the upper cavity and the lower cavity are provided with suction nozzles communicated with the external atmospheric pressure, and the battery placing position is the center position of the suction nozzles. And after the battery is placed, closing the cavity, beginning to fill gas into the cavity, wherein the gas pressure is 300 Kpa-500 Kpa, and maintaining the pressure for a period of time after the gas is filled. If the battery punctures the weeping, the inside gas of cavity can get into inside the battery through the hole of punctureing, and the adsorbed suction nozzle atmospheric pressure of battery surface is standard atmospheric pressure, and the battery is inside and battery surface forms atmospheric pressure difference, and the battery outward appearance can present the bulge phenomenon.
However, the conventional detection device and detection method have the following disadvantages: 1) the detection rate is low after the battery leakage position is glued, and the battery leakage position can not be detected basically; 2) the height requirement between the suction nozzle and the surface of the battery is high, the suction nozzle is tightly attached to the surface of the battery, so that the pressure difference between the interior of the battery and the suction nozzle cannot be formed (the suction nozzle is in a sealing state), and when the cavity is inflated due to the fact that the suction nozzle and the surface of the battery are too high, gas leaks from the suction nozzle; 3) the detection capability can be influenced by the battery packaging aluminum-plastic film, and the detection capability is directly influenced by the hardness or thickness of the aluminum-plastic film; 4) the detection rate of the battery leakage is low, about 40-60%; 5) the debugging takes long time; 6) the gel process battery and the steel shell process battery cannot detect leakage; 7) the good-product battery has certain probability of surface sucker marks, scratches and the like, so that the good-product battery is scrapped; 8) the bulge battery needs manual judgment, and the over-discharge risk exists.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model aims at providing a battery weeping detection device, the device detection rate is high, saved suction nozzle, detection efficiency height and need not artifical the participation.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model discloses a battery leakage detection device, which comprises a support frame, an upper shell, a lower shell, a first driving mechanism and a gas sensor; the supporting frame comprises a bottom plate and a supporting piece arranged on the bottom plate; the upper shell is mounted on the support through a guide mechanism and moves back and forth along the guide direction of the guide mechanism; the first driving mechanism is installed on the supporting piece, and the output end of the first driving mechanism is connected with the upper shell; the lower shell is arranged on the bottom plate in a front-back sliding mode, the upper shell and the lower shell move relatively to reach a first state and a second state, the upper shell and the lower shell in the first state are covered to form a sealed cavity, and the upper shell and the lower shell in the second state are separated to expose the battery placing cavity of the lower shell; an inflation hole is formed in one side of the upper shell, and a vacuumizing and detecting hole is formed in the position far away from the inflation hole; or one side of the lower shell is provided with an inflation hole, and a vacuumizing and detecting hole is arranged at a position far away from the inflation hole; or one side of one of the upper shell and the lower shell is provided with an inflation hole, and one side of the other shell is provided with a vacuumizing and detecting hole; the gas sensor is detachably connected with the vacuumizing and detecting hole through a gas pipe joint.
In the battery leakage detection device, preferably, the support member includes a top plate and support legs, and the top plate is connected with the bottom plate through the support legs; the guide mechanism comprises a guide ring and the supporting legs, the guide ring is arranged on the supporting legs in a sleeved mode, and the guide ring is connected with the supporting legs in a matched mode, so that the upper shell can move on the supporting legs in a reciprocating mode along the length direction of the supporting legs.
Preferably, the first driving mechanism comprises a first cylinder and a link mechanism, the first cylinder is arranged on the top plate, a driving rod of the first cylinder penetrates through the top plate to be connected with the link mechanism, and the first cylinder is used for driving the link mechanism to stretch and retract.
Preferably, the link mechanism comprises a first link, a second link, a third link, a fourth link, a fifth link and a sixth link; the lower end of the first connecting rod and the lower end of the second connecting rod are hinged to the top surface of the upper shell through connecting pieces respectively; the upper end of the first connecting rod, the lower end of the third connecting rod and the lower end of the fifth connecting rod are hinged in pairs; the upper end of the second connecting rod, the lower end of the fourth connecting rod and the lower end of the sixth connecting rod are hinged in pairs; the upper end of the fifth connecting rod and the upper end of the sixth connecting rod are respectively hinged with the bottom surface of the top plate through a connecting piece; the upper end of the third connecting rod is hinged to the upper end of the fourth connecting rod through a rotating shaft, and a driving rod of the first driving mechanism is connected with the rotating shaft.
The battery leakage detection device preferably further comprises two slide rails and a second driving mechanism, wherein the two slide rails are arranged on the bottom plate along the width direction of the bottom plate, the bottom of the lower shell is provided with four slide blocks, the four slide blocks are grouped in pairs, and each slide block group can slide on the slide rails; and the driving rod of the second driving mechanism is connected with the middle part of the bottom of the lower shell, and the second driving mechanism drives the lower shell to slide back and forth on the sliding rail.
In the battery leakage detection device, the second driving mechanism is preferably a second cylinder.
The battery leakage detection device preferably further comprises a guide plate, the guide plate is arranged in the upper shell, reverse inclined planes are respectively arranged on two sides of the guide plate, one reverse inclined plane is opposite to the inflation hole, and the other reverse inclined plane is opposite to the vacuumizing hole and the detection hole.
In the battery leakage detection device, preferably, the bottom surface of the guide plate is flush with the bottom surface of the upper housing.
The battery leakage detection device is preferably characterized in that criss-cross filling partition plates are arranged in the lower shell.
The battery leakage detection device preferably further comprises four universal wheels, and the four universal wheels are respectively arranged at four corners of the bottom plate.
The utility model discloses owing to take above technical scheme, it has following advantage:
1. the gas sensor is adopted to realize automatic detection and automatic OK or NO judgment of the battery product;
2. in the detection process, the device is free of contact with the battery in the whole process, so that the problem that the battery is scratched by the suction nozzle or the battery is scrapped due to the printing of the suction nozzle is solved;
3. the filling partition plate is arranged in the lower shell, so that a plurality of batteries can be detected at one time, and the detection efficiency is high;
4. because the gas sensor is adopted to detect volatile substances, the detection rate of battery leakage is high and is about 90%;
5. the applicable detection battery range is wide.
Drawings
Fig. 1 is a schematic perspective view of a battery leakage detection device according to an embodiment of the present invention;
fig. 2 is a schematic rear view of a battery leakage detection device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a guide plate in a battery leakage detection device according to an embodiment of the present invention.
The figures are numbered:
1-a support frame; 101-a top plate; 102-a backplane; 103-a leg; 2-an upper shell; 3-a lower shell; 4-a linkage mechanism; 401-a first link; 402-a second link; 403-a third link; 404-a fourth link; 405-a fifth link; 406-a sixth link; 5-inflation holes; 6-vacuumizing and detecting holes; 7-a first cylinder; 8-a slide rail; 9-a second cylinder; 10-a slide block; 11-a guide plate; 12-a reverse slope; 13-filling the separator; 14-universal wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the system or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "assembled", "disposed" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the utility model provides a battery weeping detection device includes support frame, upper casing, lower casing, first actuating mechanism and gas sensor; the supporting frame comprises a bottom plate and a supporting piece arranged on the bottom plate; the upper shell is arranged on the support piece through a guide mechanism and moves back and forth along the guide direction of the guide mechanism; the first driving mechanism is arranged on the supporting piece, and the output end of the first driving mechanism is connected with the upper shell; the lower shell is arranged on the bottom plate in a front-back sliding mode, the upper shell and the lower shell move relatively to reach a first state and a second state, the upper shell and the lower shell in the first state are covered to form a sealed cavity, and the upper shell and the lower shell in the second state are separated to expose the battery placing cavity of the lower shell; one side of the upper shell is provided with an inflation hole, and a vacuumizing and detecting hole is arranged at a position far away from the inflation hole; or, one side of the lower shell is provided with an inflation hole, and a vacuumizing and detecting hole is arranged at a position far away from the inflation hole; or one side of one of the upper shell and the lower shell is provided with an inflation hole, and one side of the other shell is provided with a vacuumizing and detecting hole; the gas sensor is detachably connected with the vacuumizing and detecting hole through a gas pipe connector. Firstly, the upper shell moves downwards to form a sealed cavity with the lower shell, the battery is positioned in the cavity, the cavity is vacuumized from the vacuumizing and detecting hole on one side, the vacuum value of the cavity reaches-70 Kpa, the cavity is vacuumized and pressurized, then the cavity is inflated through the inflating hole on the other side, and volatile gas volatilized from the leaked battery and inflated gas flow out along the vacuumizing and detecting hole and are detected by a gas sensor arranged at the position. Therefore, the utility model discloses saved the suction nozzle, and then avoided the suction nozzle to highly require with the problem that the suction nozzle can influence the yields of battery with battery surface, in addition the utility model discloses a gas sensor has realized that the automated inspection and the automatic judgement, battery weeping detectable rate and the detection efficiency to the battery are high, and the battery scope of being suitable for is wide.
The following describes the battery leakage detection device provided by the embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the battery leakage detecting device provided by the present invention comprises a supporting frame 1, an upper casing 2, a lower casing 3, a first driving mechanism and a gas sensor; the support frame 1 comprises a bottom plate 102 and a support arranged on the bottom plate 102, wherein the upper shell 2 is arranged on the support through a guide mechanism and moves back and forth along the guide direction of the guide mechanism; the first driving mechanism is arranged on the supporting piece, and the output end of the first driving mechanism is connected with the upper shell; the lower shell 3 is arranged on the bottom plate 102 in a sliding manner, the upper shell 2 and the lower shell 3 move relatively to reach a first state and a second state, wherein the upper shell 2 and the lower shell 3 in the first state are covered to form a sealed cavity, and the upper shell 2 and the lower shell 3 in the second state are separated to expose the battery placing cavity of the lower shell 3; one side of the upper shell 2 is provided with an inflation hole 5, and a vacuumizing and detecting hole 6 is arranged at a position far away from the inflation hole 5; or one side of the lower shell 3 is provided with an inflation hole 5, and a vacuumizing and detecting hole 6 is arranged at a position far away from the inflation hole 5; or one side of one of the upper shell 2 and the lower shell 3 is provided with an inflation hole 5, and one side of the other is provided with a vacuumizing and detecting hole 6; the gas sensor is detachably connected with the vacuumizing and detecting hole 6 through a gas pipe joint and is used for detecting volatile gas of the leakage battery.
In the above embodiment, preferably, the supporting member includes the top plate 101 and the legs 103, and four corners of the top plate 101 are connected to the bottom plate 102 by the four legs 103; the guide mechanism comprises a guide ring and supporting legs 103 which are arranged on the upper shell 2, the four guide rings are respectively sleeved on the four supporting legs 103, and the guide ring is connected with the supporting legs 103 in a matching mode, so that the upper shell 2 can move on the supporting legs 103 in a reciprocating mode along the length direction of the supporting legs 103.
In the above embodiment, preferably, the first driving mechanism includes the first cylinder 7 and the link mechanism 4, the first cylinder 7 is disposed on the top plate 101, and the driving rod of the first cylinder 7 passes through the top plate 101 to be connected with the link mechanism 4, and the first cylinder 7 is used for driving the link mechanism 4 to extend and retract. Wherein, the simple structure of cylinder can realize driven purpose.
In the above-described embodiment, preferably, as shown in fig. 2, the link mechanism includes a first link 401, a second link 402, a third link 403, a fourth link 404, a fifth link 405, and a sixth link 406; the lower ends of the first connecting rod 401 and the second connecting rod 402 are respectively hinged with the top surface of the upper shell 2 through connecting pieces; the upper end of the first connecting rod 401, the lower end of the third connecting rod 403 and the lower end of the fifth connecting rod 405 are hinged with each other in pairs, namely, the upper end of the first connecting rod, the lower end of the third connecting rod 403 and the lower end of the fifth connecting rod 405 are connected through a rotating shaft; the upper end of the second connecting rod 402, the lower end of the fourth connecting rod 404 and the lower end of the sixth connecting rod 406 are hinged with each other in pairs, namely, the upper end of the second connecting rod, the lower end of the fourth connecting rod 404 and the lower end of the sixth connecting rod 406 are also connected through a rotating shaft; the upper end of the fifth connecting rod 405 and the upper end of the sixth connecting rod 406 are respectively hinged with the bottom surface of the top plate 101 through a connecting piece; the upper end of the third connecting rod 403 and the upper end of the fourth connecting rod 404 are hinged through a rotating shaft, and the driving rod of the first driving mechanism is connected with the rotating shaft between the upper end of the third connecting rod 403 and the upper end of the fourth connecting rod 404. From this, link mechanism 4 can realize stretching out and drawing back from top to bottom, and then drives upper housing 2 and reciprocates.
In the above embodiment, preferably, the present invention further includes a slide rail 8 and a second driving mechanism, the two slide rails 8 are disposed on the bottom plate 102 along the width direction of the bottom plate 102 (i.e. the front-back direction in fig. 1), the bottom of the lower housing 3 is provided with four sliders 10, the four sliders 10 are grouped in pairs, and each group of sliders 10 can slide on the slide rail 8; the driving rod of the second driving mechanism is connected with the middle part of the bottom of the lower shell 3, and the second driving mechanism drives the lower shell 3 to slide back and forth on the sliding rail 8. Therefore, the battery can be more conveniently placed or taken.
The second driving mechanism is a second air cylinder 9 which is simple in structure and can achieve the purpose of driving.
In the above embodiment, preferably, as shown in fig. 2 and 3, the present invention further includes a guide plate 11, the guide plate 11 is disposed in the upper housing 2, the two sides of the guide plate 11 are respectively provided with an inverted inclined surface 12, one of the inverted inclined surfaces 12 is disposed opposite to the air charging hole 5, and the other inverted inclined surface 12 is disposed opposite to the vacuum pumping and detecting hole 6. The guide plate 11 serves to guide the airflow.
In the above embodiment, it is preferable that the bottom surface of the guide plate 11 is flush with the bottom surface of the upper case 2. Thereby, it is ensured that the upper case 2 and the lower case 3 can form one sealed chamber.
In the above embodiment, it is preferable that the filling partition plates 13 are provided in the lower case 3 in a criss-cross manner. The filling separator 13 separates a plurality of batteries, and detection is facilitated.
In the above embodiment, it is preferable that the universal wheel 14 is further included, and four universal wheels 14 are respectively disposed at four corners of the bottom plate 102. The universal wheels 14 are arranged to be conveniently moved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The battery leakage detection device is characterized by comprising a support frame, an upper shell, a lower shell, a first driving mechanism and a gas sensor;
the supporting frame comprises a bottom plate and a supporting piece arranged on the bottom plate;
the upper shell is mounted on the support through a guide mechanism and moves back and forth along the guide direction of the guide mechanism;
the first driving mechanism is installed on the supporting piece, and the output end of the first driving mechanism is connected with the upper shell;
the lower shell is arranged on the bottom plate in a front-back sliding mode, the upper shell and the lower shell move relatively to reach a first state and a second state, the upper shell and the lower shell in the first state are covered to form a sealed cavity, and the upper shell and the lower shell in the second state are separated to expose the battery placing cavity of the lower shell;
an inflation hole is formed in one side of the upper shell, and a vacuumizing and detecting hole is formed in the position far away from the inflation hole; or one side of the lower shell is provided with an inflation hole, and a vacuumizing and detecting hole is arranged at a position far away from the inflation hole; or one side of one of the upper shell and the lower shell is provided with an inflation hole, and one side of the other shell is provided with a vacuumizing and detecting hole;
the gas sensor is detachably connected with the vacuumizing and detecting hole through a gas pipe joint.
2. The battery leakage detection apparatus of claim 1, wherein said support member comprises a top plate and legs, said top plate being connected to said bottom plate by said legs; the guide mechanism comprises a guide ring and the supporting legs, the guide ring is arranged on the upper shell, and the guide ring is sleeved on the supporting legs; the guide ring is matched and connected with the support leg, so that the upper shell can move on the support leg in a reciprocating mode along the length direction of the support leg.
3. The battery leakage detection device according to claim 2, wherein the first driving mechanism comprises a first cylinder and a link mechanism, the first cylinder is disposed on the top plate, and an actuating rod of the first cylinder penetrates through the top plate to be connected with the link mechanism, and the first cylinder is used for driving the link mechanism to extend and retract.
4. The battery leakage detection apparatus of claim 3, wherein the linkage comprises a first link, a second link, a third link, a fourth link, a fifth link, and a sixth link;
the lower end of the first connecting rod and the lower end of the second connecting rod are hinged to the top surface of the upper shell through connecting pieces respectively; the upper end of the first connecting rod, the lower end of the third connecting rod and the lower end of the fifth connecting rod are hinged in pairs; the upper end of the second connecting rod, the lower end of the fourth connecting rod and the lower end of the sixth connecting rod are hinged in pairs; the upper end of the fifth connecting rod and the upper end of the sixth connecting rod are respectively hinged with the bottom surface of the top plate through a connecting piece; the upper end of the third connecting rod is hinged to the upper end of the fourth connecting rod through a rotating shaft, and a driving rod of the first driving mechanism is connected with the rotating shaft.
5. The battery leakage detection device according to claim 1, further comprising a slide rail and a second driving mechanism, wherein two slide rails are arranged on the bottom plate along the width direction of the bottom plate, the bottom of the lower housing is provided with four slide blocks, the four slide blocks are grouped in pairs, and each slide block can slide on the slide rail; and the driving rod of the second driving mechanism is connected with the middle part of the bottom of the lower shell, and the second driving mechanism drives the lower shell to slide back and forth on the sliding rail.
6. The battery leakage detection apparatus of claim 5, wherein the second drive mechanism is a second air cylinder.
7. The battery leakage detection device of claim 1, further comprising a guide plate disposed in the upper housing, wherein two sides of the guide plate are respectively provided with an inverted slope, one of the inverted slopes is disposed opposite to the gas filling hole, and the other inverted slope is disposed opposite to the vacuum pumping and detection hole.
8. The battery leakage detection apparatus of claim 7, wherein a bottom surface of said guide plate is flush with a bottom surface of said upper housing.
9. The battery leakage detection apparatus of claim 1, wherein criss-cross filling partitions are provided in the lower case.
10. The battery leakage detection device of claim 1, further comprising four universal wheels, wherein four of the universal wheels are disposed at four corners of the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120944294.9U CN215004140U (en) | 2021-04-30 | 2021-04-30 | Battery leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120944294.9U CN215004140U (en) | 2021-04-30 | 2021-04-30 | Battery leakage detection device |
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| Publication Number | Publication Date |
|---|---|
| CN215004140U true CN215004140U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120944294.9U Active CN215004140U (en) | 2021-04-30 | 2021-04-30 | Battery leakage detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215004140U (en) |
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2021
- 2021-04-30 CN CN202120944294.9U patent/CN215004140U/en active Active
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