CN217466131U - Intelligent device for checking air tightness of single battery cell - Google Patents
Intelligent device for checking air tightness of single battery cell Download PDFInfo
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- CN217466131U CN217466131U CN202221450589.1U CN202221450589U CN217466131U CN 217466131 U CN217466131 U CN 217466131U CN 202221450589 U CN202221450589 U CN 202221450589U CN 217466131 U CN217466131 U CN 217466131U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses an intelligent device for detecting the air tightness of a single battery cell, which comprises an installation platform, a plurality of sealing detection assemblies, a controller, a helium leak detector and a helium tank, wherein the sealing detection assemblies, the controller, the helium leak detector and the helium tank are arranged on the installation platform side by side; the sealing detection assembly comprises a sealing bin module for placing a single battery cell and a pipeline system connected to the sealing bin module, and the sealing bin module and the pipeline system are in electric signal connection with the controller; the sealed cabin module is communicated with the helium tank through the pipeline system and is used for synchronously vacuumizing the inside of the sealed cabin module and the inside of the monomer battery cell and injecting helium in the helium tank into the monomer battery cell; and the helium leak detector is communicated with the inside of the sealed cabin module. The utility model discloses line space is produced in the saving to compact structure, and it is high to detect the precision, and it is fast to detect. A plurality of sealed detection subassembly can detect the action in step, have effectively improved detection efficiency.
Description
Technical Field
The utility model relates to a lithium cell detection equipment technical field especially relates to an intelligent device of monomer electricity core gas tightness inspection.
Background
Many manufacturers attach importance to the sealing performance of the single battery cell of the most important part lithium battery on the electric automobile, air tightness detection or lithium battery waterproof detection of the lithium battery can be added in the production process, and the service life and the safety of the lithium battery can be guaranteed only if the air tightness of the single battery cell of the lithium battery is good.
At present, the existing single battery cell air tightness inspection equipment is slow in detection speed, so that the time consumption of single battery cell air tightness inspection is long, and the inspection efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides an intelligent device for checking the air tightness of a single cell, so as to solve the technical problem proposed in the above background art.
The utility model discloses an above-mentioned technical problem is solved to following technical means:
an intelligent device for detecting the air tightness of a single battery cell comprises a mounting platform, a plurality of sealing detection assemblies arranged on the mounting platform side by side, a controller, a helium leak detector and a helium tank;
the sealing detection assembly comprises a sealing bin module for placing the single battery cell and a pipeline system connected to the sealing bin module, and the sealing bin module and the pipeline system are both in electric signal connection with the controller;
the sealed cabin module is communicated with the helium tank through the pipeline system, and the pipeline system is used for synchronously vacuumizing the inside of the sealed cabin module and the inside of the single battery cell and then injecting helium in the helium tank into the inside of the single battery cell;
and the helium leak detector is communicated with the inside of the sealed cabin module.
Optionally, the sealed cabin module comprises a sealed cabin which is cubic and provided with an opening at one side, a sealing plate for sealing the opening side of the sealed cabin, and a driving mechanism for driving the sealing plate to horizontally approach or keep away from the opening side of the sealed cabin, a positioning groove for placing the single battery cell is arranged on the surface of the sealing plate at one side close to the sealed cabin, and the top end of the positioning groove is provided with an opening;
and the helium leak detector is communicated with the inside of the sealed bin.
Optionally, the driving mechanism includes a fixed plate and a first cylinder fixedly mounted on the fixed plate;
the fixing plate is arranged opposite to the open side of the sealed bin, and the edge of the fixing plate is fixedly connected to the outer wall of the sealed bin through a fixing rod;
the sealing plate is arranged between the fixing plate and the sealing bin, and the sealing plate is fixedly installed on the piston rod of the first air cylinder.
Optionally, the pipeline system includes a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, a fifth pipeline, a sixth pipeline, a seventh pipeline, a first four-way pipe and a second four-way pipe;
one ends of the first pipeline and the second pipeline are communicated with the inside of the sealed bin, the other end of the first pipeline is connected to the first four-way pipe, and the other end of the second pipeline is connected to the second four-way pipe;
two ends of the third pipeline are respectively connected to the first four-way pipe and the second four-way pipe, and a first electromagnetic valve is mounted on the third pipeline;
one end of the fourth pipeline and one end of the fifth pipeline are connected to the first four-way pipe, and the fourth pipeline is connected with a second electromagnetic valve; the other end of the fifth pipeline is connected with a first vacuum pump, and a third electromagnetic valve is arranged between the first vacuum pump and the first four-way pipe;
one end of the sixth pipeline and one end of the seventh pipeline are connected to the second four-way pipe, the other end of the sixth pipeline is connected with a second vacuum pump, and a fourth electromagnetic valve is arranged between the second vacuum pump and the second four-way pipe; the other end of the seventh pipeline is communicated with the helium tank, and a fifth electromagnetic valve is arranged on the seventh pipeline;
the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the fifth electromagnetic valve, the first vacuum pump and the second vacuum pump are all in electric signal connection with the controller.
Optionally, a connector is arranged at one end of the second pipeline connected with the sealed bin, and the connector is vertically, movably and hermetically connected to the top of the sealed bin;
a second cylinder is arranged on the other side of the sealed cabin, a piston rod of the second cylinder is arranged vertically upwards, and the piston rod of the second cylinder is fixedly connected with the connector through a fixing block so as to drive the connector to be downwards inserted into the single electric core or upwards pulled out of the single electric core; the second air cylinder is in electric signal connection with the controller.
Optionally, the air outlet port of the second vacuum pump is connected with a helium recovery tank through an air delivery pipe.
Optionally, the controller, the helium leak detector, the helium tank, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the fifth electromagnetic valve, the first vacuum pump, the second vacuum pump and the helium recovery tank are all installed in the installation platform.
The utility model has the advantages that:
the utility model discloses use the back with the conveyer belt and the manipulator cooperation of transportation monomer electricity core, will wait to examine the monomer electricity core through the conveyer belt and carry to the mount table on, then snatch in proper order through the manipulator and wait that the monomer electricity core of inspection is placed after in the sealed storehouse module, and controller control pipeline system pours into the helium in the helium gas pitcher into inside the monomer electricity core with the inside synchronous evacuation back of sealed storehouse module and monomer electricity core. If the gas tightness of the monomer electric core has defects, helium injected into the monomer electric core can leak out, and a helium leak detector can detect the helium.
The utility model discloses line space is produced in the saving to compact structure, and it is high to detect the precision, and it is fast to detect. A plurality of sealed detection subassembly can detect the action in step, have effectively improved detection efficiency.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent device for checking the gas tightness of a single battery cell according to the present invention;
fig. 2 is a first structural schematic diagram of a sealed bin module of the intelligent device for checking the gas tightness of the single battery cell of the present invention;
fig. 3 is a schematic structural diagram ii of a sealed bin module of an intelligent device for checking the gas tightness of a single cell according to the present invention;
fig. 4 is a schematic view of a positioning groove of an intelligent device for checking the gas tightness of a single cell according to the present invention;
fig. 5 is a schematic structural diagram of a piping system of an intelligent device for checking the gas tightness of a single cell.
Detailed Description
The invention will be described in detail with reference to the following drawings and specific embodiments:
as shown in fig. 1-5, the utility model provides a pair of intelligent device of monomer electricity core gas tightness inspection, including mount table 1, a plurality of sealed determine module, controller 2, helium leak detector 3 and the helium gas jar 4 of setting up on mount table 1 side by side. The sealing detection assembly comprises a sealing bin module for placing the single battery cell and a pipeline system connected to the sealing bin module, and the sealing bin module and the pipeline system are both connected with the controller 2 through electric signals. The sealed cabin module is communicated with the helium tank 4 through a pipeline system, and the pipeline system is used for injecting helium in the helium tank 4 into the monomer battery core after synchronously vacuumizing the inside of the sealed cabin module and the inside of the monomer battery core. And the helium leak detector 3 is communicated with the inside of the sealed cabin module.
Specifically, the sealed cabin module comprises a sealed cabin 5 which is cubic and provided with one side open, a sealing plate 6 for sealing the open side of the sealed cabin 5, and a driving mechanism for driving the sealing plate 6 to horizontally approach or depart from the open side of the sealed cabin 5. The closing plate 6 is provided with the constant head tank 7 that is used for placing monomer electricity core on being close to sealed 5 one side face of storehouse, and the uncovered setting in top of constant head tank 7, the size of constant head tank 7 and the size looks adaptation of monomer electricity core. When the single battery cell is placed, the single battery cell can be clamped by a manipulator and then inserted into the positioning groove 7. The helium leak detector 3 is communicated with the inside of the sealed bin 5.
The driving mechanism comprises a fixing plate 8 and a first air cylinder 9 fixedly installed on the fixing plate 8, the fixing plate 8 is arranged opposite to the open side of the sealed cabin 5, and the edge of the fixing plate 8 is fixedly connected to the outer wall of the sealed cabin 5 through a fixing rod 10. The sealing plate 6 is arranged between the fixing plate 8 and the sealing bin 5, and the sealing plate 6 is fixedly arranged on a piston rod of the first air cylinder 9. The controller 2 controls the piston rod of the first cylinder 9 to extend to make the sealing plate 6 close to and fit on the open side of the sealing bin 5, and it can be understood that a sealing ring can be arranged on the edge of the open side of the sealing bin 5 for sealing in order to ensure the sealing performance between the sealing plate 6 and the sealing bin 5.
In this embodiment, the pipeline system includes a first pipeline 11, a second pipeline 12, a third pipeline 13, a fourth pipeline 14, a fifth pipeline 15, a sixth pipeline 16, a seventh pipeline 17, a first four-way pipe 18, and a second four-way pipe 19.
Specifically, one end of each of the first pipeline 11 and the second pipeline 12 is communicated with the inside of the sealed bin 5, the other end of the first pipeline 11 is connected to the first four-way pipe 18, and the other end of the second pipeline 12 is connected to the second four-way pipe 19.
Both ends of the third pipeline 13 are respectively connected to the first four-way pipe 18 and the second four-way pipe 19, and the third pipeline 13 is provided with a first electromagnetic valve 20.
One end of the fourth pipeline 14 and one end of the fifth pipeline 15 are connected to the first four-way pipe 18, and the fourth pipeline 14 is connected to the second electromagnetic valve 21. The other end of the fifth pipeline 15 is connected with a first vacuum pump 22, and a third electromagnetic valve 23 is arranged between the first vacuum pump 22 and the first four-way pipe 18.
One end of the sixth pipeline 16 and one end of the seventh pipeline 17 are connected to the second four-way pipe 19, the other end of the sixth pipeline 16 is connected to a second vacuum pump 24, and a fourth electromagnetic valve 25 is arranged between the second vacuum pump 24 and the second four-way pipe 19. The other end of the seventh pipeline 17 is communicated with the helium tank 4, and a fifth electromagnetic valve 26 is arranged on the seventh pipeline 17.
The first electromagnetic valve 20, the second electromagnetic valve 21, the third electromagnetic valve 23, the fourth electromagnetic valve 25, the fifth electromagnetic valve 26, the first vacuum pump 22 and the second vacuum pump 24 are all connected with the controller 2 through electric signals.
In addition, in order to enable the second pipeline 12 to be inserted into the single battery cell, a connector 27 is arranged at one end of the second pipeline 12 connected with the sealed cabin 5, and the connector 27 is vertically, movably and hermetically connected to the top of the sealed cabin 5. The connector 27 and the sealing bin 5 can be sealed by a sealing ring to prevent air leakage. The setting position of the connector 27 is matched with the position and size of the gas tube 30 reserved on the single cell, and when the connector 27 is inserted downwards, the connector 27 can be directly sleeved on the gas tube 30 reserved on the single cell. A sealing layer, such as a silicone layer or a rubber layer, may be disposed on the outer wall of the gas-filled tube 30 to seal the gas-filled tube 30 from the inner wall of the connector 27, so as to prevent helium from leaking from the connection.
In order to realize the automatic inserting and extracting actions of the connector 27, a second cylinder 28 is arranged on the other side of the sealed cabin 5, a piston rod of the second cylinder 28 is vertically arranged upwards, and the piston rod of the second cylinder 28 is fixedly connected with the connector 27 through a fixing block 29 so as to drive the connector 27 to be inserted into the single battery core downwards or be extracted from the single battery core upwards. The second cylinder 28 is electrically connected with the controller 2, and the controller 2 controls the second cylinder 28 to act so as to control the connector 27 to realize automatic insertion and extraction actions.
In order to recover helium and save detection cost, a helium recovery tank 31 is connected to the outlet port of the second vacuum pump 24 through a gas pipe. It is understood that a check valve may be installed on the gas pipe to prevent the helium gas collected in the helium gas recovery tank 31 from flowing out.
In order to save the installation space, the controller 2, the helium leak detector 3, the helium tank 4, the first electromagnetic valve 20, the second electromagnetic valve 21, the third electromagnetic valve 23, the fourth electromagnetic valve 25, the fifth electromagnetic valve 26, the first vacuum pump 22, the second vacuum pump 24 and the helium recovery tank 31 are all installed in the installation table 1.
And (3) detecting the working process:
1. the utility model discloses use the back with the conveyer belt and the manipulator cooperation of transportation monomer electricity core, will wait to examine the monomer electricity core through the conveyer belt and carry to the mount table on, then snatch in proper order through the manipulator and wait that the monomer electricity core of inspection is placed after in constant head tank 7, and the piston rod of the first cylinder 9 of control stretches out, makes closing plate 6 be close to seal chamber 5 to it is sealed with seal chamber 5.
2. And controlling the second cylinder 28 to drive the connector 27 to downwards sleeve the inflation tube 30 reserved on the single battery cell.
3. Controlling the first electromagnetic valve 20 and the third electromagnetic valve 23 to be opened, and controlling the second electromagnetic valve 21, the fourth electromagnetic valve 25 and the fifth electromagnetic valve 26 to be closed; and controlling the first vacuum pump 22 to start, and synchronously vacuumizing the inside of the sealed cabin 5 and the inside of the single battery cell.
4. After the first electromagnetic valve 20 and the third electromagnetic valve 23 are controlled to be closed, the first vacuum pump 22 is controlled to be closed; and controlling the fifth electromagnetic valve 26 to be opened, so that the helium in the helium tank 4 is injected into and fills the whole single battery core.
5. Closing the fifth solenoid valve 26; and helium gas detection is performed by the helium gas leak detector 3, and the detection is completed.
6. Opening the fourth solenoid valve 25; and starting a second vacuum pump 24 to pump out helium in the single cell.
7. Closing the fourth solenoid valve 25; and opening the first electromagnetic valve 20 and the second electromagnetic valve 21, and recharging air into the sealed cabin 5 and the single battery cell.
8. And controlling the second cylinder 28 to drive the connector 27 to move upwards, so that the connector 27 is pulled out from the inflation tube 30 reserved on the single battery cell.
9. The piston rod of the first cylinder 9 is controlled to retract, the sealing plate 6 is separated from the sealing bin 5, and the mechanical arm is used for grabbing the detected single battery cell and then putting the single battery cell into the conveyor belt again.
The utility model discloses line space is produced in the saving to compact structure, and it is high to detect the precision, and it is fast to detect. A plurality of sealed detection subassembly can detect the action in step, have effectively improved detection efficiency.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (7)
1. The utility model provides an intelligent device of monomer electricity core gas tightness inspection which characterized in that: the device comprises an installation table (1), a plurality of sealing detection assemblies arranged on the installation table (1) side by side, a controller (2), a helium leak detector (3) and a helium tank (4);
the sealing detection assembly comprises a sealing bin module for placing the single battery cell and a pipeline system connected to the sealing bin module, and the sealing bin module and the pipeline system are in electric signal connection with the controller (2);
the sealed cabin module is communicated with the helium tank (4) through the pipeline system, and the pipeline system is used for synchronously vacuumizing the inside of the sealed cabin module and the inside of the monomer battery cell and then injecting helium in the helium tank (4) into the monomer battery cell;
and the helium leak detector (3) is communicated with the inside of the sealed cabin module.
2. The intelligent device for checking the airtightness of the single battery cell according to claim 1, wherein: the sealed cabin module comprises a sealed cabin (5) which is cubic and provided with an opening at one side, a sealing plate (6) used for sealing the opening side of the sealed cabin (5), and a driving mechanism used for driving the sealing plate (6) to be horizontally close to or far away from the opening side of the sealed cabin (5), wherein a positioning groove (7) used for placing the single battery cell is formed in the plate surface of one side, close to the sealed cabin (5), of the sealing plate (6), and the top end of the positioning groove (7) is provided with an opening;
and the helium leak detector (3) is communicated with the inside of the sealed bin (5).
3. The intelligent device for checking the airtightness of the single battery cell according to claim 2, wherein: the driving mechanism comprises a fixed plate (8) and a first air cylinder (9) fixedly arranged on the fixed plate (8);
the fixing plate (8) is arranged opposite to the open side of the sealed bin (5), and the edge of the fixing plate (8) is fixedly connected to the outer wall of the sealed bin (5) through a fixing rod (10);
the sealing plate (6) is arranged between the fixing plate (8) and the sealing bin (5), and the sealing plate (6) is fixedly installed on a piston rod of the first air cylinder (9).
4. The intelligent device for checking the airtightness of the single battery cell according to claim 2, wherein: the pipeline system comprises a first pipeline (11), a second pipeline (12), a third pipeline (13), a fourth pipeline (14), a fifth pipeline (15), a sixth pipeline (16), a seventh pipeline (17), a first four-way pipe (18) and a second four-way pipe (19);
one ends of the first pipeline (11) and the second pipeline (12) are communicated with the inside of the sealed bin (5), the other end of the first pipeline (11) is connected to the first four-way pipe (18), and the other end of the second pipeline (12) is connected to the second four-way pipe (19);
two ends of the third pipeline (13) are respectively connected to the first four-way pipe (18) and the second four-way pipe (19), and a first electromagnetic valve (20) is installed on the third pipeline (13);
one end of the fourth pipeline (14) and one end of the fifth pipeline (15) are connected to the first four-way pipe (18), and the fourth pipeline (14) is connected with a second electromagnetic valve (21); the other end of the fifth pipeline (15) is connected with a first vacuum pump (22), and a third electromagnetic valve (23) is arranged between the first vacuum pump (22) and the first four-way pipe (18);
one end of the sixth pipeline (16) and one end of the seventh pipeline (17) are connected to the second four-way pipe (19), the other end of the sixth pipeline (16) is connected with a second vacuum pump (24), and a fourth electromagnetic valve (25) is arranged between the second vacuum pump (24) and the second four-way pipe (19); the other end of the seventh pipeline (17) is communicated with the helium tank (4), and a fifth electromagnetic valve (26) is arranged on the seventh pipeline (17);
the first electromagnetic valve (20), the second electromagnetic valve (21), the third electromagnetic valve (23), the fourth electromagnetic valve (25), the fifth electromagnetic valve (26), the first vacuum pump (22) and the second vacuum pump (24) are all in electric signal connection with the controller (2).
5. The intelligent device for checking the airtightness of the single battery cell according to claim 4, wherein: a connector (27) is arranged at one end of the second pipeline (12) connected with the sealed bin (5), and the connector (27) is vertically, movably and hermetically connected to the top of the sealed bin (5);
a second air cylinder (28) is arranged on the other side of the sealed cabin (5), a piston rod of the second air cylinder (28) is arranged vertically upwards, and the piston rod of the second air cylinder (28) is fixedly connected with the connector (27) through a fixing block (29) so as to drive the connector (27) to be downwards inserted into the single battery cell or upwards pulled out of the single battery cell; the second cylinder (28) is in electrical signal connection with the controller (2).
6. The intelligent device for checking the airtightness of the single battery cell according to claim 4, wherein: and the air outlet port of the second vacuum pump (24) is connected with a helium recovery tank (31) through an air conveying pipe.
7. The intelligent device for checking the airtightness of the single battery cell according to claim 6, wherein: the device comprises a mounting table (1) and is characterized in that the controller (2), the helium leak detector (3), the helium tank (4), the first electromagnetic valve (20), the second electromagnetic valve (21), the third electromagnetic valve (23), the fourth electromagnetic valve (25), the fifth electromagnetic valve (26), the first vacuum pump (22), the second vacuum pump (24) and the helium recovery tank (31) are all installed in the mounting table (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221450589.1U CN217466131U (en) | 2022-06-10 | 2022-06-10 | Intelligent device for checking air tightness of single battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221450589.1U CN217466131U (en) | 2022-06-10 | 2022-06-10 | Intelligent device for checking air tightness of single battery cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217466131U true CN217466131U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221450589.1U Active CN217466131U (en) | 2022-06-10 | 2022-06-10 | Intelligent device for checking air tightness of single battery cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217466131U (en) |
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2022
- 2022-06-10 CN CN202221450589.1U patent/CN217466131U/en active Active
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