CN209415047U - A kind of filling machine electrolyte buffer storage - Google Patents

A kind of filling machine electrolyte buffer storage Download PDF

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Publication number
CN209415047U
CN209415047U CN201822267312.5U CN201822267312U CN209415047U CN 209415047 U CN209415047 U CN 209415047U CN 201822267312 U CN201822267312 U CN 201822267312U CN 209415047 U CN209415047 U CN 209415047U
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fluid reservoir
pipeline
filling machine
buffer storage
liquid
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CN201822267312.5U
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鲁艳飞
刘洋
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Tianjin Silver Dragon New Energy Co Ltd
Yinlong New Energy Co Ltd
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Tianjin Silver Dragon New Energy Co Ltd
Yinlong New Energy Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Filling, Topping-Up Batteries (AREA)

Abstract

The utility model relates to a kind of filling machine electrolyte buffer storages, including the first fluid reservoir, the second fluid reservoir, vacuum evacuation device, the first pipeline and topping-up pump, the top of the second fluid reservoir is arranged in first fluid reservoir, one end of first pipeline is connected with the liquid outlet of the first fluid reservoir lower part, the other end of first pipeline extend into the liquid level line of the second fluid reservoir or less, first pipeline is equipped with switch valve, vacuum evacuation device is used to extract the air in the first fluid reservoir out, and the inlet of topping-up pump is connected with the liquid outlet of the second fluid reservoir.The beneficial effects of the utility model are: by the way that first the air in the air and electrolyte in the first fluid reservoir is extracted out using vacuum evacuation device, so as to ensure to be flowed into the electrolyte in the second fluid reservoir without containing air, so that topping-up pump is in subsequent injection process, the reservoir quantity of electrolyte can be stablized, it is ensured that qualification rate, the quality of filling machine fluid injection efficiency and battery product of filling machine product.

Description

A kind of filling machine electrolyte buffer storage
Technical field
The utility model relates to battery production equipment field more particularly to a kind of filling machine electrolyte buffer storages.
Background technique
Currently, the electroless liquid buffer storage of filling machine or buffer storage that lithium battery uses when producing only cache electrolysis Liquid, in filling machine fluid injection, due in electrolyte and having gas in buffer storage, it will cause the reservoir quantity of electrolyte unstable It is fixed, seriously affect the qualification rate of filling machine product, the quality of filling machine fluid injection efficiency and battery product.
Utility model content
It is above-mentioned to overcome the technical problem to be solved by the utility model is to provide a kind of filling machine electrolyte buffer storage Deficiency in the prior art.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of filling machine electrolyte buffer storage, packet The first fluid reservoir, the second fluid reservoir, vacuum evacuation device, the first pipeline and topping-up pump are included, the first fluid reservoir is arranged in the second liquid storage The top of tank, one end of the first pipeline are connected with the liquid outlet of the first fluid reservoir lower part, and the other end of the first pipeline extend into Hereinafter, the first pipeline is equipped with switch valve, vacuum evacuation device is used to extract the sky in the first fluid reservoir out the liquid level line of two fluid reservoirs Gas, the inlet of topping-up pump are connected with the liquid outlet of the second fluid reservoir.
The beneficial effects of the utility model are: by first using vacuum evacuation device by the first fluid reservoir air and electrolysis Air extraction in liquid, so as to ensure to be flowed into without containing air in the electrolyte in the second fluid reservoir, so that topping-up pump In subsequent injection process, the reservoir quantity of electrolyte can be stablized, it is ensured that qualification rate, the filling machine fluid injection efficiency of filling machine product With the quality of battery product.
Based on the above technical solution, the utility model can also do following improvement.
Further, vacuum evacuation device includes vacuum pumping pump and exhaust tube, the both ends of exhaust tube respectively with the pumping of vacuum pumping pump Port and the exhaust outlet on the first fluid reservoir top are connected, and exhaust tube is equipped with switch valve.
Be using above-mentioned further beneficial effect: structure is simple, easy to operate.
Further, further include tracheae, the both ends of tracheae respectively with the gas outlet on the first fluid reservoir top and the second fluid reservoir The gas outlet on top is connected, and tracheae is equipped with switch valve.
It further, further include liquid supply equipment, the liquid outlet of liquid supply equipment is connected with the inner cavity of the first fluid reservoir.
Further, further include liquid level monitoring device and controller, be equipped with liquid level on the first fluid reservoir and the second fluid reservoir Monitoring device, liquid level monitoring device, liquid supply equipment and vacuum evacuation device are electrically connected with the controller.
It is using above-mentioned further beneficial effect: can be realized automation control, reduces manual operation.
Further, liquid supply equipment includes third fluid reservoir, feeder and the second pipeline, the gas outlet of feeder and the The air inlet on three fluid reservoir tops is connected, and one end of the second pipeline extend into the liquid level line of third fluid reservoir hereinafter, the second pipeline The other end be pierced by the liquid level line that the first fluid reservoir is extend into after third fluid reservoir hereinafter, the second pipeline is equipped with switch valve.
Be using above-mentioned further beneficial effect: the both ends of the second pipeline are in liquid level line hereinafter, in this way in third When electrolyte in fluid reservoir is flowed into the first fluid reservoir by the second pipeline, generation bubble can be avoided.
Further, the end that the second pipeline extend into one end in the first fluid reservoir is equipped with the first filter device.
It is using above-mentioned further beneficial effect: impurity in electrolyte can be eliminated, avoid topping-up pump Caton.
Further, feeder includes air accumulator and supply air line, and nitrogen, the both ends of supply air line are stored in air accumulator It is connected respectively with the air inlet of the gas outlet of air accumulator and third fluid reservoir top, supply air line is equipped with switch valve, air supply pipe The switch valve of road is electrically connected with the controller.
It is using above-mentioned further beneficial effect: the electrolyte in third fluid reservoir can be effectively allowed to pass through the second pipe Road is flowed into the first fluid reservoir.
Further, the end that the first pipeline extend into one end in the second fluid reservoir is equipped with the second filter device.
It is using above-mentioned further beneficial effect: impurity in electrolyte can be eliminated, avoid topping-up pump Caton.
It further, further include mounting rack, the first fluid reservoir and the second fluid reservoir are arranged on mounting rack, and the first liquid storage Tank is located at the top of the second fluid reservoir.
Be using above-mentioned further beneficial effect: be easy to make the first fluid reservoir stable is in the upper of the second fluid reservoir Side.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of filling machine electrolyte buffer storage described in the utility model;
Fig. 2 is electricity functional block diagram involved in filling machine electrolyte buffer storage described in the utility model.
In attached drawing, parts list represented by the reference numerals are as follows:
1, the first fluid reservoir, the 2, second fluid reservoir, the 3, first pipeline, the 310, second filter device, 4, topping-up pump, 5, take out it is true Empty device, 510, vacuum pumping pump, 520, exhaust tube, 6, liquid supply equipment, 610, third fluid reservoir, 620, feeder, 621, storage Gas tank, 622, supply air line, the 630, second pipeline, the 631, first filter device, 7, mounting rack, 8, tracheae.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1 and Figure 2, a kind of filling machine electrolyte buffer storage, including the first fluid reservoir 1, the second fluid reservoir 2, pumping Vacuum plant 5, the first pipeline 3 and topping-up pump 4, the first fluid reservoir 1 are arranged in the top of the second fluid reservoir 2, under the first fluid reservoir 1 Portion is equipped with liquid outlet D, and one end of the first pipeline 3 is connected with the liquid outlet D of 1 lower part of the first fluid reservoir, the other end of the first pipeline 3 The liquid level line of the second fluid reservoir 2 is extend into hereinafter, the first pipeline 3 is equipped with switch valve, when the switch valve on the first pipeline 3 is opened When, the interior electrolyte contained of the first fluid reservoir 1 can be entered in the second fluid reservoir 2 by way of gravity flow by the first pipeline 3, When the switch valve on the first pipeline 3 is closed, the electrolyte contained in the first fluid reservoir 1 can not be by way of gravity flow by first Pipeline 3 enters in the second fluid reservoir 2.Vacuum evacuation device 5 is used to extract the air in the first fluid reservoir 1 out, the second fluid reservoir 2 Lower part is equipped with liquid outlet G, and the inlet of topping-up pump 4 is connected with the liquid outlet G of 2 lower part of the second fluid reservoir.
Vacuum evacuation device 5 includes vacuum pumping pump 510 and exhaust tube 520, and the top of the first fluid reservoir 1 is equipped with exhaust outlet B, takes out The both ends of tracheae 520 are connected with the exhaust outlet B on 1 top of the bleeding point of vacuum pumping pump 510 and the first fluid reservoir respectively, exhaust tube 520 are equipped with switch valve.
It further include tracheae 8, the top of the first fluid reservoir 1 is equipped with gas outlet E, and the top of the second fluid reservoir 2 is equipped with gas outlet F, the both ends of tracheae 8 are connected with the gas outlet F on 2 top the gas outlet E on 1 top of the first fluid reservoir and the second fluid reservoir respectively, gas Pipe 8 is equipped with switch valve.
Filling machine electrolyte buffer storage further includes liquid supply equipment 6, the liquid outlet of liquid supply equipment 6 and the first fluid reservoir 1 Inner cavity is connected, i.e., can feed electrolyte into the first fluid reservoir 1 by liquid supply equipment 6.
Filling machine electrolyte buffer storage further includes liquid level monitoring device and controller, and the first fluid reservoir 1 is equipped with liquid level Monitoring device, the liquid level monitoring device on the first fluid reservoir 1 are used to monitor the highest liquid level H of the electrolyte in the first fluid reservoir 1 With minimum liquid level S, the second fluid reservoir 2 is equipped with liquid level monitoring device, and the liquid level monitoring device on the second fluid reservoir 2 is for monitoring The highest liquid level W and minimum liquid level L of electrolyte in second fluid reservoir 2, it is generally the case that liquid level monitoring device can use liquid Level sensor, i.e., one liquid level sensor of each setting at highest liquid level H, minimum liquid level S, highest liquid level W and minimum liquid level L, The signal output end of liquid level monitoring device is electrically connected with the signal input part of controller, the signal input part of liquid supply equipment 6 and control The signal output end of device processed is electrically connected, and the signal input part of vacuum pumping pump 510 is electrically connected with the signal output end of controller, is evacuated The signal input part of switch valve on pipe 520 is electrically connected with the signal output end of controller, and controller can be included for filling machine Industrial PC.
Liquid supply equipment 6 include third fluid reservoir 610, feeder 620 and the second pipeline 630, third fluid reservoir 610 it is upper Portion is equipped with air inlet A, and the gas outlet of feeder 620 is connected with the air inlet A on 610 top of third fluid reservoir, the second pipeline 630 One end extend into the liquid level line of third fluid reservoir 610 hereinafter, the other end of the second pipeline 630 is pierced by third fluid reservoir 610 after The liquid level line of the first fluid reservoir 1 is extend into hereinafter, the second pipeline 630 is equipped with switch valve.Second pipeline 630 extend into the first storage The end of one end in flow container 1 is equipped with the first filter device 631, and the first filter device 631 can be filter screen.
Feeder 620 include air accumulator 621 and supply air line 622, the both ends of supply air line 622 respectively with air accumulator 621 gas outlet is connected with the air inlet A on 610 top of third fluid reservoir, and supply air line 622 is equipped with switch valve, air accumulator 621 The gas of interior storage is not reacted with electrolyte, such as nitrogen.
The end that first pipeline 3 extend into one end in the second fluid reservoir 2 is equipped with the second filter device 310, the second filtering Device 310 can be filter screen.
Filling machine electrolyte buffer storage further includes mounting rack 7, and the first fluid reservoir 1 and the second fluid reservoir 2 are arranged at peace It shelves on 7, and the first fluid reservoir 1 is located at the top of the second fluid reservoir 2.
In the present embodiment, the signal input part of each switch valve is electrically connected with the signal output end of controller.
When in use:
When filling machine electrolyte buffer storage works, vacuum pumping pump 510 will be in the first fluid reservoir 1 by exhaust tube 520 Air extraction, that is, be pumped into negative pressure state;
Injected by air accumulator 621 and supply air line 622 into third fluid reservoir 610 nitrogen (protect gas not with electrolyte Reaction), third fluid reservoir 610 is interior to form positive pressure, while cooperating in the first fluid reservoir 1 and being formed by negative pressure, by third fluid reservoir Electrolyte in 610 is drawn onto the first fluid reservoir 1 by the second pipeline 630;
The electrolyte entered in the first fluid reservoir 1 is filtered by the first filter device 631;
First fluid reservoir, 1 electrolyte inside liquid level closes the switch valve on the second pipeline 630 when reaching H;At arrival S again Secondary fluid infusion;
The first fluid reservoir 1 and electrolyte internal gas are extracted out in the way of vacuumizing again;
The switch valve on the first pipeline 3 is opened after first fluid reservoir 1 and the extraction of electrolyte internal gas, the first fluid reservoir Electrolyte in 1 is flowed into the second fluid reservoir 2 by the first pipeline 3;
The electrolyte entered in the second fluid reservoir 2 is filtered by the second filter device 310;
When second fluid reservoir, 2 electrolyte inside liquid level reaches W, the switch valve on the first pipeline 3 is closed;At arrival L again Secondary fluid infusion;
Topping-up pump 4 is opened, and the electrolyte in the second fluid reservoir 2 will go into topping-up pump 4;
In this way, iterative cycles liquid storage.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (10)

1. a kind of filling machine electrolyte buffer storage, which is characterized in that including the first fluid reservoir (1), the second fluid reservoir (2), take out Vacuum plant (5), the first pipeline (3) and topping-up pump (4), first fluid reservoir (1) are arranged in second fluid reservoir (2) Top, one end of first pipeline (3) are connected with the liquid outlet of the first fluid reservoir (1) lower part, first pipeline (3) The other end extend into second fluid reservoir (2) liquid level line hereinafter, first pipeline (3) be equipped with switch valve, it is described Vacuum evacuation device (5) is used to extract out air in first fluid reservoir (1), the inlet of the topping-up pump (4) and described the The liquid outlet of two fluid reservoirs (2) is connected.
2. a kind of filling machine electrolyte buffer storage according to claim 1, which is characterized in that the vacuum evacuation device (5) include vacuum pumping pump (510) and exhaust tube (520), the both ends of the exhaust tube (520) respectively with the vacuum pumping pump (510) bleeding point is connected with the exhaust outlet on the first fluid reservoir (1) top, and the exhaust tube (520) is equipped with switch valve.
3. a kind of filling machine electrolyte buffer storage according to claim 2, which is characterized in that further include tracheae (8), institute The both ends of tracheae (8) are stated to go out with the gas outlet on the first fluid reservoir (1) top and second fluid reservoir (2) top respectively Port is connected, and the tracheae (8) is equipped with switch valve.
4. a kind of filling machine electrolyte buffer storage according to claim 1-3, which is characterized in that further include supplying Liquid equipment (6), the liquid outlet of the liquid supply equipment (6) are connected with the inner cavity of first fluid reservoir (1).
5. a kind of filling machine electrolyte buffer storage according to claim 4, which is characterized in that further include liquid level monitoring dress It sets and controller, is equipped with liquid level monitoring device, the liquid level on first fluid reservoir (1) and second fluid reservoir (2) Monitoring device, the liquid supply equipment (6) and the vacuum evacuation device (5) are electrically connected with the controller.
6. a kind of filling machine electrolyte buffer storage according to claim 5, which is characterized in that the liquid supply equipment (6) Including third fluid reservoir (610), feeder (620) and the second pipeline (630), the gas outlet of the feeder (620) with The air inlet on third fluid reservoir (610) top is connected, and one end of second pipeline (630) extend into the third liquid storage The liquid level line of tank (610) is hereinafter, the other end of second pipeline (630) is extend into after being pierced by the third fluid reservoir (610) The liquid level line of first fluid reservoir (1) is hereinafter, second pipeline (630) is equipped with switch valve.
7. a kind of filling machine electrolyte buffer storage according to claim 6, which is characterized in that second pipeline (630) end for extending into one end in first fluid reservoir (1) is equipped with the first filter device (631).
8. a kind of filling machine electrolyte buffer storage according to claim 6, which is characterized in that the feeder (620) include air accumulator (621) and supply air line (622), store nitrogen, the supply air line in the air accumulator (621) (622) the both ends air inlet phase with the gas outlet of the air accumulator (621) and the third fluid reservoir (610) top respectively Even, the supply air line (622) is equipped with switch valve, and the switch valve on the supply air line (622) is electrically connected with the controller It connects.
9. a kind of filling machine electrolyte buffer storage according to claim 1, which is characterized in that first pipeline (3) The end for extending into one end in second fluid reservoir (2) is equipped with the second filter device (310).
10. a kind of filling machine electrolyte buffer storage according to claim 1, which is characterized in that further include mounting rack (7), first fluid reservoir (1) and second fluid reservoir (2) are arranged on the mounting rack (7), and first storage Flow container (1) is located at the top of second fluid reservoir (2).
CN201822267312.5U 2018-12-29 2018-12-29 A kind of filling machine electrolyte buffer storage Active CN209415047U (en)

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Application Number Priority Date Filing Date Title
CN201822267312.5U CN209415047U (en) 2018-12-29 2018-12-29 A kind of filling machine electrolyte buffer storage

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114628867A (en) * 2020-12-14 2022-06-14 纪顺机电工业股份有限公司 Electrolyte injection method for lithium battery
CN116864938A (en) * 2023-09-04 2023-10-10 宁德时代新能源科技股份有限公司 Electrolyte bubble removing device, electrolyte injecting equipment and battery production line

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114628867A (en) * 2020-12-14 2022-06-14 纪顺机电工业股份有限公司 Electrolyte injection method for lithium battery
CN116864938A (en) * 2023-09-04 2023-10-10 宁德时代新能源科技股份有限公司 Electrolyte bubble removing device, electrolyte injecting equipment and battery production line

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