CN217823193U - Battery pack liquid injection device and system - Google Patents
Battery pack liquid injection device and system Download PDFInfo
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- CN217823193U CN217823193U CN202220745655.1U CN202220745655U CN217823193U CN 217823193 U CN217823193 U CN 217823193U CN 202220745655 U CN202220745655 U CN 202220745655U CN 217823193 U CN217823193 U CN 217823193U
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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 provides a group battery priming device and system. The device comprises: at least two box bodies and at least two rubber plugs; the box body is arranged in a hollow manner and is used for containing electrolyte; one side of the box body is provided with a liquid outlet for butting a liquid injection port of the plurality of batteries to be injected so as to communicate the box body with the plurality of batteries to be injected; a liquid inlet is formed in one side of the box body and is used for abutting against a liquid injection needle so that the liquid injection needle can vacuumize the box body and the batteries to be injected; the liquid inlet is detachably connected with the rubber plug; the rubber plug is used for sealing one side of the box body so that the box body and the batteries to be injected are kept in a vacuum state when standing. The device is used for filling electrolyte into a plurality of batteries to be injected.
Description
Technical Field
The utility model relates to a battery production technical field especially relates to a group battery priming device and system.
Background
In the mass production process of the lithium ion battery in the prior art, the electrolyte needs to be injected into a plurality of batteries to be injected. During liquid injection, the infiltration and absorption speed of the battery pole piece is low, so the set liquid injection amount cannot be absorbed in time, and the electrolyte can flow into the next procedure after being absorbed by the pole piece. The production beat is severely slowed down and the production efficiency is low. It is necessary to wait for the electrolyte to be completely injected into the battery. Therefore, a battery filling device and system are needed to improve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a group battery priming device and system, the device are used for filling electrolyte to a plurality of liquid batteries of treating.
In a first aspect, the utility model provides a battery priming device for to a plurality of liquid battery perfusion electrolyte of waiting to annotate, include: at least two box bodies and at least two rubber plugs; the box body is arranged in a hollow manner and is used for containing electrolyte; one side of each box body is provided with a liquid outlet for butting the liquid injection ports of the batteries to be injected so as to communicate the box body with the batteries to be injected; one side of each box body is provided with a liquid inlet for butting a liquid injection needle so that the liquid injection needle can vacuumize the box body and the batteries to be injected; the liquid inlet is detachably connected with the rubber plug; the rubber plug is used for sealing one side of the box body so that the box body and the batteries to be injected are kept in a vacuum state when standing.
The utility model discloses a device beneficial effect does: electrolyte is contained in the box body; one side of box body sets up the liquid outlet, can the butt joint a plurality of notes liquid mouths of annotating the liquid battery of treating, so that the box body with a plurality of liquid batteries intercommunication of waiting are annotated, the follow-up evacuation of being convenient for and annotate liquid. A liquid inlet is formed in one side of the box body and can be in butt joint with a liquid injection needle, so that the liquid injection needle can perform vacuum pumping treatment on the box body and the batteries to be injected; through the connection plug can be dismantled to the inlet, can seal one side of box body to make the box body with a plurality of battery of waiting to annotate liquid keep vacuum state when stewing. And the vacuum liquid supplement is continuously carried out on the batteries to be injected with the liquid during standing. Need not to wait for electrolyte all to pour into inside a plurality of liquid batteries of waiting to annotate, can carry out next process, be favorable to promoting the filling efficiency for the production beat.
Optionally, the box body is provided with a limiting piece; one side of the limiting piece is connected with the batteries to be injected; the limiting part is used for limiting the device on the batteries to be injected. The beneficial effects are that: the limiting part arranged on the box body limits the device to the battery to be injected, so that the movement direction of the box body at one side of the battery to be injected is limited.
Optionally, one side of the limiting piece is provided with a hook claw; the hook claw is used for being connected with one side of the batteries to be injected. The beneficial effects are that: through setting collude the claw with one side of a plurality of liquid batteries of waiting is connected, is favorable to preventing the box body is followed a plurality of liquid batteries of waiting drop.
Optionally, the inner side of the box body is made of electrolyte corrosion resistant materials. The beneficial effects are that: the corrosion resistance of the inner side of the box body is enhanced through electrolyte corrosion resistant materials, and the service life of the box body is prolonged.
Optionally, when one side of the box body is clamped with the tab positions of the plurality of batteries to be injected, at least two liquid outlets of the box body are in butt joint with the injection ports of the plurality of batteries to be injected. The beneficial effects are that: through one side of the box body with the utmost point ear position block of treating annotating the liquid battery realizes the liquid outlet of box body with the butt joint of annotating the liquid mouth of waiting to annotate the liquid battery. The liquid outlet of the box body is beneficial to simplifying the operation, and the sealing performance of butt joint of the liquid outlet of the box body and the liquid injection port of the battery to be injected is improved.
In a second aspect, the present invention provides a battery filling system, the system comprising a device according to any one of the first aspect and a filling needle; the liquid injection needle is used for injecting electrolyte into the box body; one side of the liquid injection needle is connected with an electrolyte source, and the electrolyte source is used for providing electrolyte.
Optionally, the liquid injection needle is connected with a vacuum machine; the vacuum machine is used for carrying out vacuum-pumping treatment on the box body and the plurality of batteries to be injected through the injection liquid.
Optionally, at the same time, the infusion needle is in communication with only one of the vacuum pump or the electrolyte source.
Optionally, the system further comprises a vacuum chamber; when the device, the liquid injection needle and the plurality of batteries to be injected are arranged in a vacuum chamber together, the vacuum chamber is used for carrying out vacuum-pumping treatment on the box body and the plurality of batteries to be injected.
Optionally, the system further comprises a resting rack; the standing frame is used for standing the box body and the batteries to be injected; when the box body and the batteries to be injected are statically arranged on the static rack, pole pieces of the batteries to be injected continuously soak and absorb electrolyte in the box body.
In a third aspect, the present invention provides a battery electrolyte injection method applied to the device of any one of the first aspect, including: butting the liquid outlet of the box body with a liquid injection port of the battery to be injected; the liquid injection needle is butted with the liquid inlet, and the box body and the plurality of batteries to be injected are vacuumized so that the box body and the plurality of batteries to be injected are in a vacuum state during liquid injection; injecting an electrolyte into the box body; and maintaining the box body and the plurality of batteries to be injected in a vacuum state, and sealing the liquid inlet with the rubber plug so as to ensure that the box body and the plurality of batteries to be injected are in a vacuum state when standing.
Optionally, will the box body the liquid outlet butt joint treat annotating the liquid mouth of annotating the liquid battery, still include: and connecting one side of the limiting part with the plurality of batteries to be injected so as to limit the device on the plurality of batteries to be injected.
Optionally, the method further includes: and connecting the hook claw with one side of the batteries to be injected.
Optionally, the method further includes: and coating a coating which is resistant to electrolyte corrosion on the inner side of the box body.
Optionally, the method further includes: and clamping one side of the box body with the lug positions of the batteries to be injected so as to enable the liquid outlet of the box body to be in butt joint with the liquid injection port of the batteries to be injected.
Drawings
Fig. 1 is a schematic structural view of a first battery filling device provided by the present invention;
fig. 2 is a schematic structural view of a second battery filling device provided by the present invention;
fig. 3 is a top view of a third battery filling device provided by the present invention;
fig. 4 is a top view of a fourth battery filling device provided by the present invention;
fig. 5 is a schematic flow chart of a battery electrolyte injection method provided by the present invention.
Reference numbers in the figures:
101. a box body; 102. a rubber plug; 103. a liquid outlet; 104. a liquid inlet; 105. a stopper; 106. hooking claws;
200. a battery to be injected with liquid; 201. and (6) the position of the tab.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
Fig. 1 is a schematic structural diagram of a battery liquid injection device provided by the present invention.
Problem to prior art existence, the utility model provides a battery priming device for to a plurality of liquid battery 200 that wait to annotate fill electrolyte, as shown in figure 1, include: at least two magazines 101 and at least two plugs 102. The box 101 is hollow and is used for containing electrolyte. Each one side of box body 101 is equipped with liquid outlet 103 for the butt joint a plurality of notes liquid mouths of waiting to annotate liquid battery 200, so that box body 101 with a plurality of waiting to annotate liquid battery 200 intercommunication. One side of each box body 101 is provided with a liquid inlet 104 for butt joint of a liquid injection needle, so that the liquid injection needle can perform vacuum pumping treatment on the box body 101 and the plurality of batteries 200 to be injected with liquid. The inlet 104 is detachably connected to the plug 102. The rubber plug 102 is used for sealing one side of the box body 101, so that the box body 101 and the batteries 200 to be injected are kept in a vacuum state when standing still.
In some embodiments, the device comprises two cassettes 101 and two plugs 102. Liquid outlets 103 are respectively arranged at the bottom sides of the two box bodies 101 and are respectively used for butting liquid injection ports of two batteries 200 to be injected. Two the top side of box body 101 all is equipped with inlet 104 for the butt joint annotates the liquid needle, so that annotate the liquid to two box bodies 101 with two wait to annotate liquid battery 200 and carry out the evacuation and handle. The liquid inlet 104 is connected with the rubber plug 102 in a clamping way. The rubber plug 102 is arranged in a cylindrical shape.
Fig. 2 is a schematic structural diagram of another battery liquid filling device provided by the present invention.
In other embodiments, as shown in figure 2, the device comprises three cartridges 101 and three plugs 102. Liquid outlets 103 are respectively arranged at the bottom sides of the three box bodies 101 and are respectively used for butting liquid injection ports of the three batteries 200 to be injected. The top sides of the three box bodies 101 are provided with liquid inlets 104 for butt joint of liquid injection needles, so that the liquid injection needles vacuumize the three box bodies 101 and the three batteries 200 to be injected with liquid. The liquid inlet 104 is connected with the rubber plug 102 in a spiral way. The rubber plug 102 is deliberately arranged in a conical shape.
In other embodiments, the number of the cartridges 101 and the rubber stoppers 102 can be any positive integer greater than one. The inlet port 104 remains sealed when connected to the plug 102. The rubber plug 102 can be arranged in a circular truncated cone shape or any geometric shape.
It is noted that the case 101 is provided to contain the electrolyte. A liquid outlet 103 is arranged on one side of the box body 101 and can be in butt joint with the liquid injection ports of the batteries 200 to be injected, so that the box body 101 is communicated with the batteries 200 to be injected, and subsequent vacuumizing and liquid injection are facilitated. One side of the box body 101 is provided with a liquid inlet 104 which can be butted with a liquid injection needle, so that the liquid injection needle can vacuumize the box body 101 and the plurality of batteries 200 to be injected. The plug 102 is detachably connected to the liquid inlet 104, so that one side of the box body 101 can be sealed, and the box body 101 and the plurality of batteries 200 to be injected are kept in a vacuum state when standing. And the vacuum liquid supplementing is continuously carried out on the batteries 200 to be injected when the batteries are kept standing. Need not to wait for electrolyte to totally pour into inside a plurality of liquid battery 200 of waiting to annotate, can carry out next process, be favorable to promoting the filling efficiency for the production beat.
In some embodiments, the box 101 is provided with a stopper 105. One side of the limiting member 105 is connected to the batteries 200 to be injected. The limiting member 105 is used for limiting the device on the batteries 200 to be injected. The device is limited on the battery 200 to be injected through the limiting part 105 arranged on the box body 101, so that the movement direction of the box body 101 on one side of the battery 200 to be injected is limited.
In some embodiments, the two sides of the box 101 are provided with a stopper 105. The limiting member 105 is disposed in a flat plate shape. One side of the limiting member 105 is slidably connected to the outer side of the battery 200 to be filled.
In other embodiments, the position-limiting member 105 may be disposed at any position of the box 101 or wrap the box 101. The limiting member 105 may be in the shape of an arc plate or a shell wrapping the box 101.
Fig. 3 is a schematic structural diagram of another battery liquid filling device provided by the present invention.
In still other embodiments, as shown in fig. 3, a hook 106 is disposed on one side of the limiting member 105. The hook claw 106 is used for being connected with one side of the batteries 200 to be injected. Through the setting collude the claw 106 with one side of a plurality of batteries 200 of waiting to annotate is connected, be favorable to preventing box body 101 is followed a plurality of batteries 200 of waiting to annotate drop.
In some embodiments, the bottom side of the limiting member 105 is provided with a hook 106. The hook claw 106 is used for being connected with the bottom side of the battery 200 to be filled in a sliding mode.
In other embodiments, the hook 106 can be disposed at any position of the limiting member 105. The hook claw 106 can be used for being clamped with any position of the battery 200 to be filled.
In some embodiments, the inside of the box 101 is made of electrolyte corrosion resistant material. The corrosion resistance of the inner side of the box body 101 is enhanced through electrolyte corrosion resistant materials, and the service life of the box body 101 is prolonged.
In some embodiments, the inner side of the box 101 is made of a material resistant to corrosion by acidic substances, such as ceramic or glass.
In other embodiments, the inner side of the box 101 is made of a material resistant to corrosion of alkaline substances, such as metal or alloy.
In some embodiments, the entire case 101 is made of an electrolyte corrosion resistant material.
In still other embodiments, the device is made entirely of an electrolyte-corrosion resistant material.
In some embodiments, when one side of the case body 101 is engaged with the tab positions 201 of the batteries 200 to be filled, at least two liquid outlets 103 of the case body 101 are butted with the liquid filling ports of the batteries 200 to be filled. One side of the box body 101 is clamped with the lug position 201 of the battery 200 to be injected, so that the liquid outlet 103 of the box body 101 is in butt joint with the liquid injection port of the battery 200 to be injected. The operation is simplified, and the sealing performance of the butt joint of the liquid outlet 103 of the box body 101 and the liquid injection port of the battery 200 to be injected is improved.
It should be noted that the battery 200 to be injected is provided with positive and negative electrode tabs, and the positions of the positive electrode tabs and the positions of the negative electrode tabs are distributed at two ends of the battery 200 to be injected.
In some embodiments, when one side of the case 101 is engaged with the position of the positive electrode tab of the battery 200 to be filled, the liquid outlet 103 of the case 101 is abutted with the liquid filling port of the battery 200 to be filled.
In other specific embodiments, when one side of the case body 101 is engaged with the position of the negative electrode tab of the battery 200 to be filled, the liquid outlet 103 of the case body 101 is abutted with the liquid filling port of the battery 200 to be filled.
In further embodiments, when one side of the box 101 is engaged with the positive electrode tab position of the battery 200 to be injected and the other side of the box 101 is engaged with the negative electrode tab position of the battery 200 to be injected, the liquid outlet 103 of the box 101 is abutted with the liquid injection port of the battery 200 to be injected.
Fig. 4 is a schematic structural diagram of another battery filling device provided by the present invention.
In still other embodiments, as shown in fig. 4, the device includes six cartridges 101. Every two of the six box bodies 101 are connected and annularly arranged at the top ends of the six batteries 200 to be injected. The battery 200 to be injected is cylindrically disposed. The annular inner sides formed by the six box bodies 101 are connected with the positive pole lug position of the battery 200 to be injected in a clamping manner, and the annular outer sides formed by the six box bodies 101 are connected with the negative pole lug position of the battery 200 to be injected in a clamping manner. The limiting pieces 105 are annularly arranged on the outer sides of the six batteries 200 to be injected.
The utility model provides a battery annotates liquid system, the system includes as in any one of the above-mentioned embodiment device and notes liquid needle. The liquid injection needle is used for injecting electrolyte into the box body 101. One side of the liquid injection needle is connected with an electrolyte source, and the electrolyte source is used for providing electrolyte.
In some embodiments, a vacuum machine is connected to the injection needle. The vacuum machine is used for carrying out vacuum pumping treatment on the box body 101 and the batteries 200 to be injected through the injection liquid.
In some embodiments, at the same time, the infusion needle is in communication with only one of the vacuum pump or the electrolyte source.
In some embodiments, the system further comprises a vacuum chamber. When the device, the liquid injection needle and the plurality of batteries 200 to be injected are placed together in a vacuum chamber, the vacuum chamber is used for carrying out vacuum-pumping treatment on the box body 101 and the plurality of batteries 200 to be injected.
In some embodiments, the system further comprises a resting stand. The standing frame is used for standing the box body 101 and the batteries 200 to be injected. When the box body 101 and the batteries 200 to be injected are statically arranged on the static rack, the pole pieces of the batteries 200 to be injected continuously soak and absorb the electrolyte in the box body 101.
Fig. 5 is a schematic flow chart of a battery electrolyte injection method provided by the present invention.
As shown in fig. 5, the present invention provides a battery liquid injection method applied to the device of any one of the above embodiments, including:
s501, butting the liquid outlet 103 of the box body 101 with a liquid injection port of the battery 200 to be injected.
In some embodiments, the docking the liquid outlet 103 of the box 101 with the liquid inlet of the battery 200 to be filled further includes: one side of the limiting piece 105 is connected with the battery 200 to be injected, so that the device is limited on the battery 200 to be injected.
In some specific embodiments, the docking the liquid outlet 103 of the box 101 with the liquid inlet of the battery 200 to be filled further includes: one side of the limiting piece 105 is connected with the battery 200 to be injected in a sliding mode, so that the device can only slide on one side of the battery 200 to be injected.
In other specific embodiments, the docking the liquid outlet 103 of the box 101 with the liquid inlet of the battery 200 to be filled further includes: one side of the limiting piece 105 is rotatably connected with the battery 200 to be injected, so that the device can only rotate on one side of the battery 200 to be injected.
In further specific embodiments, the docking the liquid outlet 103 of the box 101 with the liquid inlet of the battery 200 to be filled further includes: one side of the limiting piece 105 is clamped with the battery to be filled 200, so that the device is fixed on one side of the battery to be filled 200.
S502, the liquid injection target is connected with the liquid inlet 104, and the box body 101 and the plurality of batteries 200 to be injected are vacuumized, so that the box body 101 and the plurality of batteries 200 to be injected are in a vacuum state during liquid injection.
In some embodiments, the device, the liquid injection needle and the battery 200 to be injected are placed together in a vacuum chamber, and the box 101 and the battery 200 to be injected are subjected to vacuum pumping treatment.
In other embodiments, at the same time, the infusion needle is in communication with only one of the vacuum pump or the electrolyte source. The injection liquid is directed to the liquid inlet 104. The liquid injection needle is communicated with the vacuum pump. And vacuumizing the box body 101 and the battery 200 to be injected.
S503, electrolyte is injected into the case 101.
Notably, the injection needle is in communication with the electrolyte source. The electrolyte in the electrolyte source flows into the case 101 and the battery to be charged 200. When the electrolyte is injected into the case 101, the inside of the case 101 and the battery 200 to be charged is still in a vacuum state.
S504, the box body 101 and the batteries 200 to be injected are maintained in a vacuum state, and the liquid inlet 104 is sealed by the rubber plug 102, so that the box body 101 and the batteries 200 to be injected are in a vacuum state when standing.
It should be noted that, when the standing is finished, all the electrolytes in the plurality of box bodies 101 enter the plurality of batteries to be injected 200 respectively. The mass or volume difference of the electrolyte absorbed by the batteries 200 to be injected is within 0.2%.
In some embodiments, the method further comprises: the hook claw 106 is connected with one side of the batteries 200 to be injected.
In some embodiments, the method further comprises: and the hook claw 106 is connected with one side of the battery 200 to be filled in a sliding way.
In other specific embodiments, the method further comprises: and clamping and connecting the hook claw 106 with one side of the battery 200 to be injected.
In some embodiments, the method further comprises: an electrolyte corrosion resistant coating is applied to the inside of the case 101.
In some embodiments, the method further comprises: and clamping one side of the box body 101 with the lug positions 201 of the batteries 200 to be injected so as to enable the liquid outlet 103 of the box body 101 to be butted with the liquid injection port of the battery 200 to be injected.
In some embodiments, the method further comprises: and (3) clamping one side of the box body 101 with the positive pole lug position of the battery 200 to be injected so as to enable the liquid outlet 103 of the box body 101 to be in butt joint with the liquid injection port of the battery 200 to be injected.
In other particular embodiments, the method further comprises: one side of the box body 101 is clamped with the position of a negative pole lug of the battery 200 to be injected, so that the liquid outlet 103 of the box body 101 is butted with the liquid injection port of the battery 200 to be injected.
In some embodiments, the method further comprises: and (2) clamping one side of the box body 101 with the position of the positive pole lug of the battery 200 to be injected, and clamping the other side of the box body 101 with the position of the negative pole lug of the battery 200 to be injected, so that the liquid outlet 103 of the box body 101 is in butt joint with the liquid injection port of the battery 200 to be injected.
Although the embodiments of the present invention have been described in detail hereinabove, it is apparent to those skilled in the art that various modifications and variations can be made to these embodiments. However, it is to be understood that such modifications and variations are within the scope and spirit of the present invention as set forth in the appended claims. Moreover, the invention as described herein is capable of other embodiments and of being practiced or of being carried out in various ways.
Claims (10)
1. The utility model provides a battery priming device for to a plurality of waiting to annotate liquid battery and fill electrolyte, its characterized in that includes: at least two boxes and at least two rubber plugs;
the box body is arranged in a hollow manner and is used for containing electrolyte;
one side of each box body is provided with a liquid outlet for butting the liquid injection ports of the batteries to be injected so as to communicate the box body with the batteries to be injected;
one side of each box body is provided with a liquid inlet for butting a liquid injection needle so that the liquid injection needle can vacuumize the box body and the batteries to be injected;
the liquid inlet is detachably connected with the rubber plug; the rubber plug is used for sealing one side of the box body so that the box body and the batteries to be injected are kept in a vacuum state when standing.
2. The device of claim 1, wherein the cartridge body is provided with a stop;
one side of the limiting piece is connected with the batteries to be injected;
the limiting part is used for limiting the device on the batteries to be injected.
3. The device of claim 2, wherein a hook is disposed on one side of the limiting member; the hook claw is used for being connected with one side of the batteries to be injected.
4. The device of claim 1, wherein the inside of the case is made of a material resistant to electrolyte corrosion.
5. The device as claimed in claim 1, wherein when one side of the box body is clamped with the tab positions of the batteries to be injected, at least two liquid outlets of the box body are butted with the injection ports of the batteries to be injected.
6. A battery priming system, comprising the device of any one of claims 1 to 5 and a priming needle;
the liquid injection needle is used for injecting electrolyte into the box body;
one side of the liquid injection needle is connected with an electrolyte source, and the electrolyte source is used for providing electrolyte.
7. The system of claim 6, wherein a vacuum machine is connected to the liquid injection needle;
the vacuum machine is used for carrying out vacuum-pumping treatment on the box body and the plurality of batteries to be injected through the injection liquid.
8. The system of claim 7, wherein the priming needle is in communication with only one of the vacuum machine or the electrolyte source at a time.
9. The system of claim 6, further comprising a vacuum chamber; when the device, the liquid injection needle and the batteries to be injected are arranged in a vacuum chamber together, the vacuum chamber is used for carrying out vacuum pumping treatment on the box body and the batteries to be injected.
10. The system of claim 6, further comprising a resting rack;
the static frame is used for standing the box body and the plurality of batteries to be injected;
when the box body and the plurality of batteries to be injected are statically arranged on the static rack, pole pieces of the plurality of batteries to be injected continuously soak and absorb the electrolyte in the box body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220745655.1U CN217823193U (en) | 2022-04-01 | 2022-04-01 | Battery pack liquid injection device and system |
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| CN202220745655.1U CN217823193U (en) | 2022-04-01 | 2022-04-01 | Battery pack liquid injection device and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114744379A (en) * | 2022-04-01 | 2022-07-12 | 上海兰钧新能源科技有限公司 | Battery pack liquid injection device, system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114744379A (en) * | 2022-04-01 | 2022-07-12 | 上海兰钧新能源科技有限公司 | Battery pack liquid injection device, system and method |
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