CN111525085A - Automatic liquid injection device for lithium battery - Google Patents
Automatic liquid injection device for lithium battery Download PDFInfo
- Publication number
- CN111525085A CN111525085A CN202010638795.4A CN202010638795A CN111525085A CN 111525085 A CN111525085 A CN 111525085A CN 202010638795 A CN202010638795 A CN 202010638795A CN 111525085 A CN111525085 A CN 111525085A
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- China
- Prior art keywords
- liquid
- lithium battery
- liquid injection
- injection device
- pipe
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
-
- 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
Abstract
The invention discloses an automatic liquid injection device for a lithium battery, which comprises a liquid storage tank, a liquid inlet pipe, a liquid injection pipe and a liquid injection nozzle. According to the invention, electrolyte is added into the liquid storage box through the liquid inlet pipe, the piston sheet can reciprocate in the horizontal direction through the arrangement of the motor, the rotary table, the connecting rod and the push rod, the pressurizing cylinder is communicated with the liquid storage box through the pressurizing pipe, the pressure can be applied to the interior of the liquid storage box through the arrangement of the one-way valve I and the one-way valve II, the interior of the liquid storage box can be always kept in a high-pressure state under the action of the pressure sensor and the controller, the electrolyte in the liquid storage box can be automatically injected into the lithium battery through the liquid injection pipe and the liquid injection nozzle under the action of air pressure, and the lithium battery can be quantitatively injected under the action of the flow sensor and the battery valve II.
Description
Technical Field
The invention relates to the technical field of lithium battery production, in particular to an automatic liquid injection device for a lithium battery.
Background
A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n. Lewis in 1912. In the 70 s of the 20 th century, m.s.whitetingham proposed and began to study lithium ion batteries. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream.
In the manufacturing process of lithium cell, need pour into electrolyte into the casing of lithium cell, mainly rely on the staff to pour into electrolyte into the casing manually among the prior art, production efficiency is extremely low, can not satisfy the needs of modern production.
Therefore, an automatic liquid injection device for a lithium battery is provided.
Disclosure of Invention
The invention aims to: in order to solve the problems, an automatic liquid injection device for a lithium battery is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an automatic priming device for lithium cell, includes liquid reserve tank, feed liquor pipe, annotates the liquid pipe and annotates the liquid mouth, still includes the mounting panel, the bottom of mounting panel is fixed with layer board one and layer board two through the spliced pole in proper order, install pressure sensor on the liquid reserve tank, install the controller on the spliced pole, install solenoid valve two and flow sensor on annotating the liquid pipe, install a pressure cylinder on the layer board one, install check valve one through pressure pipe intercommunication and on the pressure pipe between pressure cylinder and the liquid reserve tank, one side that the inner chamber of pressure cylinder was equipped with piston piece and piston piece is fixed with the push rod, install check valve two on the lateral wall of pressure cylinder, one side of pressure cylinder is equipped with the drive division that the drive push rod moved on the horizontal direction.
As a further description of the above technical solution:
the driving part comprises a fixed block fixed at the top of the supporting plate, a motor is fixed on the fixed block, an output shaft of the motor penetrates through the fixed block and is fixed with a rotary table, and the rotary table is movably connected with the push rod through a connecting rod.
As a further description of the above technical solution:
the two ends of the connecting rod are respectively hinged with the push rod and the rotary table, and the hinged point of the connecting rod and the rotary table is eccentrically arranged with the rotary table.
As a further description of the above technical solution:
the outside cover of push rod is equipped with the uide bushing.
As a further description of the above technical solution:
and the mounting plate is penetrated with a mounting bolt.
As a further description of the above technical solution:
the liquid storage tank is provided with a liquid level sensor, and the liquid inlet pipe is provided with a first electromagnetic valve.
As a further description of the above technical solution:
the output ends of the flow sensor, the pressure sensor and the liquid level sensor are electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input ends of the first electromagnetic valve, the second electromagnetic valve and the motor respectively.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, electrolyte is added into the liquid storage box through the liquid inlet pipe, the piston sheet can reciprocate in the horizontal direction through the arrangement of the motor, the rotary table, the connecting rod and the push rod, the pressurizing cylinder is communicated with the liquid storage box through the pressurizing pipe, the pressure can be applied to the interior of the liquid storage box through the arrangement of the one-way valve I and the one-way valve II, the interior of the liquid storage box can be always kept in a high-pressure state under the action of the pressure sensor and the controller, the electrolyte in the liquid storage box can be automatically injected into the lithium battery through the liquid injection pipe and the liquid injection nozzle under the action of air pressure, and the lithium battery can be quantitatively injected under the action of the flow sensor and the battery valve II.
2. According to the invention, the guide sleeve is sleeved outside the push rod, and the push rod can be limited under the action of the guide sleeve and can only move in the horizontal direction, so that the stability of the device is improved.
Drawings
Fig. 1 is a schematic structural diagram of a liquid injection device of an automatic liquid injection device for a lithium battery according to the present invention;
fig. 2 is a schematic diagram of an internal structure of a liquid storage tank of an automatic liquid injection device for a lithium battery according to the present invention;
fig. 3 is a schematic diagram of an internal structure of a pressurizing cylinder of an automatic liquid injection device for a lithium battery according to the present invention;
fig. 4 is a schematic top view of a fixing block of an automatic liquid injection device for a lithium battery according to the present invention.
Illustration of the drawings:
1. a liquid storage tank; 2. a pressure sensor; 3. a liquid level sensor; 4. a one-way valve I; 5. a controller; 6. a first supporting plate; 7. a pressurizing pipe; 8. a second one-way valve; 9. a pressurizing cylinder; 10. a push rod; 11. a guide sleeve; 12. a connecting rod; 13. a turntable; 14. a fixed block; 15. mounting a plate; 16. connecting columns; 17. installing a bolt; 18. a liquid inlet pipe; 19. a first electromagnetic valve; 20. a second supporting plate; 21. a flow sensor; 22. a liquid injection nozzle; 23. a liquid injection pipe; 24. a second electromagnetic valve; 25. a piston plate; 26. an electric motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, an automatic liquid injection device for a lithium battery comprises a liquid storage tank 1, a liquid inlet pipe 18, a liquid injection pipe 23, a liquid injection nozzle 22, and a mounting plate 15, wherein a mounting bolt 17 penetrates through the mounting plate 15, the mounting plate 15 can be fixed at a required position through the mounting bolt 17, a first supporting plate 6 and a second supporting plate 20 are sequentially fixed at the bottom of the mounting plate 15 through a connecting column 16, the first supporting plate 6 is positioned at the top of the second supporting plate 20, a pressure sensor 2 is installed on the liquid storage tank 1, a controller 5 is installed on the connecting column 16, a second electromagnetic valve 24 and a flow sensor 21 are installed on the liquid injection pipe 23, a pressure cylinder 9 is installed on the first supporting plate 6, the pressure cylinder 9 is communicated with the liquid storage tank 1 through a pressure pipe 7, a first check valve 4 is installed on the pressure pipe 7, gas in the pressure cylinder 9 can enter the liquid storage tank 1 through the pressure pipe 7, the one-way valve 4 prevents the gas in the liquid storage tank 1 from flowing back to the inside of the pressurizing cylinder 9, the push rod 10 is fixed on one side of the piston sheet 25 arranged in the inner cavity of the pressurizing cylinder 9, the two one-way valve 8 is installed on the side wall of the pressurizing cylinder 9, the external air can enter the inside of the pressurizing cylinder 9 through the two one-way valve 8, the two one-way valve 8 is located on one side close to the pressurizing pipe 7, and the driving portion for driving the push rod 10 to move in the horizontal direction is arranged on one side of the pressurizing cylinder 9.
Referring to fig. 1 and 3, the driving portion includes a fixed block 14 fixed on the top of the first supporting plate 6, the fixed block 14 is fixed with a motor 26, an output shaft of the motor 26 penetrates through the fixed block 14 and is fixed with a rotary disc 13, the rotary disc 13 is movably connected with the push rod 10 through a connecting rod 12, two ends of the connecting rod 12 are respectively hinged with the push rod 10 and the rotary disc 13, the hinged point of the connecting rod 12 and the rotary disc 13 is eccentrically arranged with the rotary disc 13, in the rotating process of the rotary disc 13, the connecting rod 12 can drive the push rod 10 and the rotary disc 13 to reciprocate in the horizontal direction, a guide sleeve 11 is sleeved outside the push rod 10, the guide sleeve 11 is fixedly connected with the mounting plate 15, and under the action of the guide sleeve 11, the push rod 10 can be limited and can only move in the horizontal direction.
Embodiment 3 is an automatic liquid injection device for lithium battery, which is different from embodiment 1
Referring to fig. 1 and 2, a liquid level sensor 3 is installed on the liquid storage tank 1, a first electromagnetic valve 19 is installed on the liquid inlet pipe 18, and the electrolyte in the liquid storage tank 1 can be always kept at a certain height under the action of the liquid level sensor 3 and the first electromagnetic valve 19.
Embodiment 4 is an automatic liquid injection device for lithium battery, which is different from embodiment 1
The controller 5 is a PLC single chip microcomputer
Referring to fig. 1, the output ends of the flow sensor 21, the pressure sensor 2 and the liquid level sensor 3 are electrically connected to the input end of the controller 5, the output end of the controller 5 is electrically connected to the input ends of the first electromagnetic valve 19, the second electromagnetic valve 24 and the motor 26, the flow sensor 21 is used for monitoring the injection amount of the lithium battery, the pressure sensor 2 is used for monitoring the air pressure inside the liquid storage tank 1, the liquid level sensor 3 is used for monitoring the liquid level height of the electrolyte, and the controller 5 is used for opening and closing the first electromagnetic valve 19, the second electromagnetic valve 24 and the motor 26.
The working principle is as follows: in-process annotating the liquid to the lithium cell, motor 26 drives carousel 13 and takes place to rotate, carousel 13 drives push rod 10 and piston piece 25 through connecting rod 12 and carries out reciprocating motion on the horizontal direction, at this in-process, outside air passes through two 8 of check valves, a pressurization section of thick bamboo 9, the inside that adds buret 7 and check valve 4 enter into liquid reserve tank 1 for the inside high-pressure state that is in of liquid reserve tank 1, the inside electrolyte of liquid reserve tank 1 is through annotating liquid pipe 23 and annotating liquid mouth 22 and annotating the liquid automatically to the lithium cell under the effect of atmospheric pressure. In the process of liquid injection:
the pressure sensor 2 monitors the internal air pressure of the liquid storage tank 1, when the internal air pressure of the liquid storage tank 1 is lower than a set threshold value, the pressure sensor 2 transmits a signal to the controller 5, the controller 5 can control the motor 26 to be automatically started, and when the air pressure is higher than the set threshold value, the motor 26 is rotated and closed;
the flow sensor 21 monitors the liquid injection amount, when the liquid injection amount reaches a set value, the flow sensor 21 transmits a signal to the controller 5, and the controller 5 controls the second electromagnetic valve 24 to be closed, so that quantitative liquid injection of the lithium battery is realized;
level sensor 3 monitors the inside electrolyte of liquid reserve tank 1, and when the electrolyte liquid level was less than the value of setting for, level sensor 3 gives controller 5 with signal transmission, and controller 5 control solenoid valve 19 is opened, can in time add electrolyte to the inside of liquid reserve tank 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an automatic priming device for lithium cell, includes liquid reserve tank (1), feed liquor pipe (18), annotates liquid pipe (23) and annotates liquid mouth (22), its characterized in that still includes mounting panel (15), the bottom of mounting panel (15) is fixed with layer board one (6) and layer board two (20) in proper order through spliced pole (16), install pressure sensor (2) on liquid reserve tank (1), install controller (5) on spliced pole (16), install solenoid valve two (24) and flow sensor (21) on annotating liquid pipe (23), install pressure cylinder (9) on layer board one (6), through pressure pipe (7) intercommunication and install check valve one (4) on pressure pipe (7) between pressure cylinder (9) and liquid reserve tank (1), the inner chamber of pressure cylinder (9) is equipped with piston piece (25) and one side of piston piece (25) is fixed with push rod (10), and a second check valve (8) is mounted on the side wall of the pressurizing cylinder (9), and a driving part for driving the push rod (10) to move in the horizontal direction is arranged on one side of the pressurizing cylinder (9).
2. The automatic liquid injection device for the lithium battery as claimed in claim 1, wherein the driving part comprises a fixed block (14) fixed on the top of the first supporting plate (6), the fixed block (14) is fixed with a motor (26), an output shaft of the motor (26) penetrates through the fixed block (14) and is fixed with a rotary disc (13), and the rotary disc (13) is movably connected with the push rod (10) through a connecting rod (12).
3. The automatic liquid injection device for the lithium battery as claimed in claim 2, wherein two ends of the connecting rod (12) are respectively hinged to the push rod (10) and the rotary table (13), and the hinge point of the connecting rod (12) and the rotary table (13) is eccentrically arranged with respect to the rotary table (13).
4. The automatic liquid injection device for the lithium battery as claimed in claim 3, wherein the outside of the push rod (10) is sleeved with a guide sleeve (11).
5. The automatic liquid injection device for the lithium battery as claimed in claim 1, wherein the mounting plate (15) is penetrated with a mounting bolt (17).
6. The automatic liquid injection device for the lithium battery as claimed in claim 1, wherein a liquid level sensor (3) is installed on the liquid storage tank (1), and a first electromagnetic valve (19) is installed on the liquid inlet pipe (18).
7. The automatic liquid injection device for the lithium battery as claimed in claim 6, wherein the output ends of the flow sensor (21), the pressure sensor (2) and the liquid level sensor (3) are electrically connected to the input end of the controller (5), and the output end of the controller (5) is electrically connected to the input ends of the first solenoid valve (19), the second solenoid valve (24) and the motor (26), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010638795.4A CN111525085A (en) | 2020-07-06 | 2020-07-06 | Automatic liquid injection device for lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010638795.4A CN111525085A (en) | 2020-07-06 | 2020-07-06 | Automatic liquid injection device for lithium battery |
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| Publication Number | Publication Date |
|---|---|
| CN111525085A true CN111525085A (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010638795.4A Pending CN111525085A (en) | 2020-07-06 | 2020-07-06 | Automatic liquid injection device for lithium battery |
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| Country | Link |
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| CN (1) | CN111525085A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067210A (en) * | 2020-09-18 | 2020-12-11 | 潘彬杰 | Cloth leakproofness detection device based on sealed protective clothing safety inspection |
| CN114870921A (en) * | 2022-05-17 | 2022-08-09 | 崔海芬 | Clinical laboratory uses portable reagent injection device |
Citations (6)
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|---|---|---|---|---|
| US20030064280A1 (en) * | 1999-10-04 | 2003-04-03 | Nec Mobile Energy Corporation | Apparatus and method for electrolyte injection |
| CN103558322A (en) * | 2013-11-01 | 2014-02-05 | 上海化工研究院 | Low-temperature pressurization head space sample injection device for measuring volatile substances in atmosphere through GC-MS (gas chromatography-mass spectrometer) technology |
| CN205370896U (en) * | 2016-01-23 | 2016-07-06 | 李陶胜 | Automobile repair workshop is with self -control air compressor machine station |
| CN109904382A (en) * | 2019-03-01 | 2019-06-18 | 桂林鹏威新能源科技有限公司 | Priming device is used in a kind of production of lithium battery |
| CN210778801U (en) * | 2019-09-03 | 2020-06-16 | 河南豫清新能源产业有限公司 | Lithium battery liquid injection equipment |
| CN210837934U (en) * | 2019-11-12 | 2020-06-23 | 江苏英能新能源科技有限公司 | Lithium ion battery liquid injection device |
-
2020
- 2020-07-06 CN CN202010638795.4A patent/CN111525085A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030064280A1 (en) * | 1999-10-04 | 2003-04-03 | Nec Mobile Energy Corporation | Apparatus and method for electrolyte injection |
| CN103558322A (en) * | 2013-11-01 | 2014-02-05 | 上海化工研究院 | Low-temperature pressurization head space sample injection device for measuring volatile substances in atmosphere through GC-MS (gas chromatography-mass spectrometer) technology |
| CN205370896U (en) * | 2016-01-23 | 2016-07-06 | 李陶胜 | Automobile repair workshop is with self -control air compressor machine station |
| CN109904382A (en) * | 2019-03-01 | 2019-06-18 | 桂林鹏威新能源科技有限公司 | Priming device is used in a kind of production of lithium battery |
| CN210778801U (en) * | 2019-09-03 | 2020-06-16 | 河南豫清新能源产业有限公司 | Lithium battery liquid injection equipment |
| CN210837934U (en) * | 2019-11-12 | 2020-06-23 | 江苏英能新能源科技有限公司 | Lithium ion battery liquid injection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067210A (en) * | 2020-09-18 | 2020-12-11 | 潘彬杰 | Cloth leakproofness detection device based on sealed protective clothing safety inspection |
| CN114870921A (en) * | 2022-05-17 | 2022-08-09 | 崔海芬 | Clinical laboratory uses portable reagent injection device |
| CN114870921B (en) * | 2022-05-17 | 2023-08-15 | 青铜峡铝业股份有限公司宁东铝业分公司 | Clinical laboratory uses portable reagent injection device |
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Application publication date: 20200811 |