CN214428754U - Visual priming device of square lithium cell - Google Patents
Visual priming device of square lithium cell Download PDFInfo
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- CN214428754U CN214428754U CN202022864123.3U CN202022864123U CN214428754U CN 214428754 U CN214428754 U CN 214428754U CN 202022864123 U CN202022864123 U CN 202022864123U CN 214428754 U CN214428754 U CN 214428754U
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- liquid injection
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- liquid storage
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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 a visual priming device of square lithium cell, including installing the liquid storage pot on the support frame, the bottom of liquid storage pot is equipped with the manual waste liquid valve and the liquid valve rather than the inner chamber intercommunication, and the first half of liquid storage pot is equipped with high liquid level inductor, and the lower half of liquid storage pot is equipped with low liquid level inductor, installs the feed liquor valve on the feed liquor pipe at liquid storage pot top, is equipped with vacuum solenoid valve two, ordinary pressure solenoid valve two and manometer two on the branch pipe two at liquid storage pot top. This visual priming device of square lithium cell can observe the overall process that electrolyte pours into the battery gradually in annotating the liquid cup into at whole notes liquid process to be convenient for the experimenter to set up and annotate technological parameters such as vacuum, malleation pressure value, vacuum time, the time of adding malleation in-process, its simple structure, preparation easy maintenance is the priming device of power battery experiment line ideal.
Description
Technical Field
The utility model relates to a lithium ion battery field specifically is a visual priming device of square lithium cell.
Background
The liquid injection process is a key process of the rear working section of the lithium battery. At present, liquid injection is carried out in two ways. The first is isobaric liquid injection, that is, the liquid injection cup and the battery are integrally placed in a sealed cavity, and the cycle process of vacuumizing, vacuum releasing, positive pressure adding and positive pressure releasing is carried out in the cavity. And secondly, pressurizing and injecting, namely performing a cycle process of vacuumizing, vacuum releasing, positive pressure adding and positive pressure releasing on battery injection in an injection cup. In either way, the experimenter cannot visually observe the whole process of injecting the electrolyte into the battery in the three-gas (vacuum, exhaust and positive pressure) circulation process of the electrolyte. During experiments, most of the methods adopt various formulas, namely, a plurality of vacuum parameters and positive pressure parameters are set, experiments are continuously tried, and finally the optimal process formula is obtained. This process can only rely on final notes liquid result, after the experiment ended promptly, whether the observation notes liquid cup dropping liquid comes to judge electrolyte and annotates completely and enters electricity.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a visual priming device of square lithium cell can observe the overall process that electrolyte progressively pours into the battery into in annotating the liquid cup at whole notes liquid process to be convenient for the experimenter sets up and annotates liquid in-process vacuum, malleation pressure value, vacuum time, add technological parameters such as malleation time, solved electrolyte at three gas circulation in-process, the problem of the unable audio-visual whole processes of electrolyte injection battery of observing of experimenter.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a visual priming device of square lithium cell, includes:
install the liquid storage pot on the support frame, the bottom of liquid storage pot is equipped with the manual waste liquid valve rather than the inner chamber intercommunication and goes out the liquid valve, and the first half of liquid storage pot is equipped with high liquid level inductor, and the lower half of liquid storage pot is equipped with low liquid level inductor, installs the feed liquor valve on the feed liquor pipe at liquid storage tank deck portion, is equipped with vacuum solenoid valve two, ordinary pressure solenoid valve two and manometer two on the branch pipe two at liquid storage tank deck portion.
Annotate the liquid cup, annotate and be equipped with the scale on the liquid cup, be equipped with ordinary pressure solenoid valve one on the branch pipe one at notes liquid cup top, nitrogen gas filter valve, vacuum solenoid valve one and manometer one, the top of annotating the liquid cup is equipped with the notes liquid pipeline three rather than the inner chamber intercommunication, the top of annotating liquid pipeline three is connected with the one end of last diaphragm valve, the bottom of annotating the liquid cup is equipped with the notes liquid pipeline two rather than the inner chamber intercommunication, the bottom of annotating liquid pipeline two is connected with the one end of diaphragm valve down, the other end of diaphragm valve is connected with notes liquid pipeline one down, the other end of annotating liquid pipeline one is equipped with annotates liquid sealing nozzle.
And the liquid inlet of the liquid injection pump is connected with the liquid outlet valve through a liquid injection pipeline five, and the other end of the liquid injection pump is connected with the upper diaphragm valve through a liquid injection pipeline four.
The battery clamp is internally clamped with a square battery, and the liquid injection sealing nozzle is butted with a liquid inlet of the square battery.
Further limit, the both sides of battery anchor clamps are equipped with the breach.
And further limiting, four branches are arranged at the top end of the branch pipe I, and the normal-pressure solenoid valve I, the nitrogen solenoid valve, the vacuum solenoid valve I and the pressure gauge I are respectively positioned on the independent branches.
And a second electrolyte filter is arranged on a branch between the first pressure gauge and the first branch pipe, and a first electrolyte filter is arranged on a branch between the first vacuum solenoid valve and the first branch pipe.
Further defined, the support frame is a bracket with three support legs.
The utility model discloses possess following beneficial effect: this visual priming device of square lithium cell can observe the overall process that electrolyte pours into the battery gradually in annotating the liquid cup into at whole notes liquid process to be convenient for the experimenter to set up and annotate technological parameters such as vacuum, malleation pressure value, vacuum time, the time of adding malleation in-process, its simple structure, preparation easy maintenance is the priming device of power battery experiment line ideal.
Drawings
FIG. 1 is an assembly drawing of the present invention;
fig. 2 is a schematic view of the battery clamp of the present invention;
FIG. 3 is a schematic view of a lower diaphragm valve of the present invention;
FIG. 4 is a schematic view of the liquid pouring cup of the present invention;
fig. 5 is a schematic view of an upper diaphragm valve according to the present invention;
FIG. 6 is a schematic view of the infusion pump of the present invention;
FIG. 7 is a schematic view of the liquid storage tank of the present invention.
In the figure: the device comprises a battery clamp 1, a square battery 2, a liquid injection sealing nozzle 3, a liquid injection pipeline I4, a diaphragm valve 5, a liquid injection pipeline II 6, a liquid injection cup 7, a normal pressure solenoid valve I8, a nitrogen solenoid valve 9, an electrolyte filter I10, a vacuum solenoid valve I11, a pressure gauge I12, an electrolyte filter II 13, a graduated scale 14, a liquid injection pipeline III 15, an upper diaphragm valve 16, a liquid injection pump 17, a liquid injection pipeline IV 18, a liquid injection pipeline V19, a liquid storage tank 20, a high liquid level sensor 21, a vacuum solenoid valve II 22, a liquid inlet valve 23, a manual waste liquid valve 24, a support frame 25, a liquid outlet valve 26, a low liquid level sensor 27, a normal pressure solenoid valve II 28 and a pressure gauge II 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1-7, the present invention provides a technical solution: a visual liquid injection device for a square lithium battery,
referring to fig. 1 and 7, including installing liquid storage pot 20 on support frame 25, support frame 25 is the support that has three supporting legs, the bottom of liquid storage pot 20 is equipped with manual waste liquid valve 24 and play liquid valve 26 rather than the inner chamber intercommunication, manual waste liquid valve 24 is used for manual waste liquid discharge, the upper half of liquid storage pot 20 is equipped with high liquid level inductor 21, the lower half of liquid storage pot 20 is equipped with low liquid level inductor 27, install feed liquor valve 23 on the feed liquor pipe at liquid storage pot 20 top, be equipped with vacuum solenoid valve two 22, ordinary pressure solenoid valve two 28 and manometer two 29 on the branch pipe two at liquid storage pot 20 top.
Referring to fig. 1 and 4, the liquid filling device further comprises a liquid filling cup 7, a graduated scale 14 is arranged on the liquid filling cup 7, four branches are arranged at the top end of a first branch pipe at the top of the liquid filling cup 7, a first normal-pressure electromagnetic valve 8, a first nitrogen electromagnetic valve 9, a first vacuum electromagnetic valve 11 and a first pressure gauge 12 are respectively located on the independent branch pipes, a second electrolyte filter 13 is arranged on the branch pipe between the first pressure gauge 12 and the first branch pipe, and a first electrolyte filter 10 is arranged on the branch pipe between the first vacuum electromagnetic valve 11 and the first branch pipe. Referring to fig. 1 and 5, a liquid injection pipeline III 15 communicated with the inner cavity of the liquid injection cup 7 is arranged at the top of the liquid injection cup 7, the top end of the liquid injection pipeline III 15 is connected with one end of an upper diaphragm valve 16, referring to fig. 1 and 3, a liquid injection pipeline II 6 communicated with the inner cavity of the liquid injection cup 7 is arranged at the bottom end of the liquid injection cup 7, the bottom end of the liquid injection pipeline II 6 is connected with one end of a lower diaphragm valve 5, the other end of the lower diaphragm valve 5 is connected with a liquid injection pipeline I4, and a liquid injection sealing nozzle 3 is arranged at the other end of the liquid injection pipeline I4.
Referring to fig. 1 and 6, the liquid injection device further comprises a liquid injection pump 17, wherein a liquid inlet of the liquid injection pump 17 is connected with a liquid outlet valve 26 through a liquid injection pipeline five 19, and the other end of the liquid injection pump 17 is connected with an upper diaphragm valve 16 through a liquid injection pipeline four 18.
Referring to fig. 1 and 2, the battery clamp also comprises a battery clamp 1, a square battery 2 is clamped in the battery clamp 1, notches are arranged on two sides of the battery clamp 1, the battery can be conveniently taken and taken by the square battery 2, and a liquid injection sealing nozzle 3 is in butt joint with a liquid inlet of the square battery 2.
The liquid injection principle of the whole device is as follows: firstly, electrolyte enters the liquid storage tank 20 through the liquid inlet valve 23, when a signal is sent by the low liquid level sensor 27 of the liquid storage tank 20, the liquid inlet valve 23 is opened, and when a signal is sent by the high liquid level sensor 21 of the liquid storage tank 20, the liquid inlet valve 23 is closed; after the liquid feeding is finished, the second vacuum electromagnetic valve 22 is opened, bubbles in the liquid storage tank 20 are removed in vacuum, the time and the pressure of the vacuum for removing the bubbles can be set by a control system, after the bubbles are removed completely, the second vacuum electromagnetic valve 22 is closed, the second normal pressure electromagnetic valve 28 is opened, and the liquid preparation is finished. The second pressure gauge 29 can display the current pressure in the liquid storage tank 20 in real time; the electrical components are controlled by a control system, then the liquid injection pump 17 is started to inject liquid, the liquid flows through the liquid injection pipeline five 19, the liquid injection pump 17, the liquid injection pipeline four 18, the upper diaphragm valve 16, the liquid injection pipeline three 15, the liquid injection cup 7, the liquid injection pipeline two 6, the lower diaphragm valve 5, the liquid injection pipeline one 4 and the liquid injection sealing nozzle 3 in sequence, bubbles in the pipelines are removed, and liquid injection is waited.
During annotating the liquid, put into battery anchor clamps 1 square battery 2, servo motor or cylinder (not shown in the figure) drive annotate the decline of liquid cup 7, make annotate liquid sealing nozzle 3 and square battery 2 annotate liquid mouth in close contact with the location, set up technological parameters such as vacuum, malleation pressure value, vacuum time, pressure time in control system, start to annotate the liquid flow, annotate the liquid process as follows: in the first step, the lower diaphragm valve 5 is opened, the first vacuum solenoid valve 11 is opened, vacuum pumping is performed, the gas inside the housing of the square battery 2 is evacuated, and then the lower diaphragm valve 5 is closed. And secondly, opening the first normal-pressure electromagnetic valve 8 to restore the liquid injection cup 7 to normal pressure. And thirdly, opening the upper diaphragm valve 16, starting the liquid injection pump 17 to work, closing the upper diaphragm valve 16 and opening the lower diaphragm valve 5 after the liquid injection is finished. Fourthly, opening the nitrogen electromagnetic valve 9, pressurizing to a set value, and keeping the positive pressure according to set time; then, opening a first normal-pressure electromagnetic valve 8 and releasing the positive pressure; opening the first vacuum electromagnetic valve 11, pumping negative pressure to a set value, and keeping the negative pressure according to set time; and opening the first normal-pressure electromagnetic valve 8 and releasing the negative pressure. And the fourth step is circulated according to the sequence, and the circulation times can be set.
And ending the whole liquid injection process. In the liquid injection process, the change of the liquid volume of the electrolyte in the liquid injection cup 7 from beginning to end can be observed, so that various technological parameters in the liquid injection process can be well set. The liquid injection cup 7 is made of Teflon materials, corrosion resistance is achieved, the liquid level state of the electrolyte in the liquid injection cup 7 can be observed, and the design of the graduated scale 14 facilitates observation of liquid level change; the first pressure gauge 12 can display the vacuum and positive pressure values in the liquid injection cup 7 and the square battery 2 in real time. After the liquid injection is finished, the servo motor or the air cylinder drives the liquid injection cup 7 to ascend, then the square battery 2 is taken out from the battery clamp 1, and the whole process is finished.
This visual priming device of square lithium cell can observe the overall process that electrolyte progressively pours into the battery into in annotating liquid cup 7 at whole notes liquid process to be convenient for the experimenter sets up annotates technological parameters such as liquid in-process vacuum, malleation pressure value, guarantor's vacuum time, pressure time, its simple structure, preparation easy maintenance is the priming device of power battery experiment line ideal.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a visual priming device of square lithium cell which characterized in that includes:
the liquid storage tank is arranged on the support frame, a manual waste liquid valve and a liquid outlet valve which are communicated with an inner cavity of the liquid storage tank are arranged at the bottom of the liquid storage tank, a high liquid level sensor is arranged at the upper half part of the liquid storage tank, a low liquid level sensor is arranged at the lower half part of the liquid storage tank, a liquid inlet valve is arranged on a liquid inlet pipe at the top of the liquid storage tank, and a second vacuum electromagnetic valve, a second normal pressure electromagnetic valve and a second pressure gauge are arranged on a second branch pipe at the top of the liquid storage tank;
the liquid injection cup is provided with a graduated scale, a first normal-pressure solenoid valve, a third nitrogen filter valve, a first vacuum solenoid valve and a first pressure gauge are arranged on a first branch pipe at the top of the liquid injection cup, a third liquid injection pipeline communicated with an inner cavity of the liquid injection cup is arranged at the top of the liquid injection cup, the top end of the third liquid injection pipeline is connected with one end of an upper diaphragm valve, a second liquid injection pipeline communicated with the inner cavity of the liquid injection cup is arranged at the bottom of the liquid injection cup, the bottom end of the second liquid injection pipeline is connected with one end of a lower diaphragm valve, the other end of the lower diaphragm valve is connected with the first liquid injection pipeline, and a liquid injection sealing nozzle is arranged at the other end of the first liquid injection pipeline;
the liquid inlet of the liquid injection pump is connected with the liquid outlet valve through a liquid injection pipeline five, and the other end of the liquid injection pump is connected with the upper diaphragm valve through a liquid injection pipeline four;
the battery clamp is internally clamped with a square battery, and the liquid injection sealing nozzle is butted with a liquid inlet of the square battery.
2. The visual priming device of square lithium cell of claim 1 characterized in that: and notches are arranged on two sides of the battery clamp.
3. The visual priming device of square lithium cell of claim 1 characterized in that: the top end of the branch pipe I is provided with four branches, and the normal-pressure solenoid valve I, the nitrogen solenoid valve, the vacuum solenoid valve I and the pressure gauge I are respectively positioned on the independent branches.
4. The visual priming device of square lithium cell of claim 3 characterized in that: and a second electrolyte filter is arranged on the branch between the first pressure gauge and the first branch pipe, and a first electrolyte filter is arranged on the branch between the first vacuum solenoid valve and the first branch pipe.
5. The visual priming device of square lithium cell of claim 1 characterized in that: the support frame is a support with three support legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022864123.3U CN214428754U (en) | 2020-12-03 | 2020-12-03 | Visual priming device of square lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022864123.3U CN214428754U (en) | 2020-12-03 | 2020-12-03 | Visual priming device of square lithium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214428754U true CN214428754U (en) | 2021-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022864123.3U Active CN214428754U (en) | 2020-12-03 | 2020-12-03 | Visual priming device of square lithium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214428754U (en) |
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2020
- 2020-12-03 CN CN202022864123.3U patent/CN214428754U/en active Active
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