CN208580812U - Lithium battery negative pressure formation equipment - Google Patents
Lithium battery negative pressure formation equipment Download PDFInfo
- Publication number
- CN208580812U CN208580812U CN201821337396.9U CN201821337396U CN208580812U CN 208580812 U CN208580812 U CN 208580812U CN 201821337396 U CN201821337396 U CN 201821337396U CN 208580812 U CN208580812 U CN 208580812U
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- China
- Prior art keywords
- negative pressure
- liquid level
- lithium battery
- pipeline
- microprocessor
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 49
- 230000015572 biosynthetic process Effects 0.000 title claims description 27
- 239000007788 liquid Substances 0.000 claims abstract description 98
- 239000003792 electrolyte Substances 0.000 claims abstract description 34
- 239000012530 fluid Substances 0.000 claims description 42
- 238000006243 chemical reaction Methods 0.000 claims description 32
- 239000000126 substance Substances 0.000 claims description 32
- 238000001035 drying Methods 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 9
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000011897 real-time detection Methods 0.000 abstract description 4
- 238000002425 crystallisation Methods 0.000 abstract description 3
- 230000008025 crystallization Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 35
- 230000000903 blocking effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model discloses a lithium cell negative pressure becomes equipment, belong to lithium cellization becomes technical field, solve lithium cellization and become the in-process, electrolyte easily becomes to produce the crystallization and causes the jam on the road at the negative pressure, and the jam is difficult to perceive and leads to the condemned problem of battery drum shell even easily again, this case is through setting up liquid level detector on the road at the negative pressure becomes to, come the liquid level information of electrolyte in the real-time detection liquid storage tank through liquid level detector, and with this liquid level information feedback to a microprocessor in, liquid level information through the actual measurement carries out the comparison with the liquid level threshold value in the microprocessor, thereby judge whether the negative pressure becomes to exist on the road and block up or reveal, provide online real-time detection, it is more swift to detect.
Description
Technical field
The utility model relates to formation of Li-ion batteries technical field, in particular to a kind of lithium battery negative pressure formation device.
Background technique
During lithium battery negative pressure is melted into, negative pressure formation device is by control pressurer system come the gas inside regulating cell
Pressure, by negative-pressure vacuum system from the gas generated in battery forming process is extracted from the liquid injection port of battery, in the process, electricity
A part of electrolyte in pond can be pumped down in a temporary container (such as fluid reservoir or vacuum cup) with above-mentioned gas,
Dry gas is filled with into container by positive pressuring drying gas system again to refill electrolyte in battery.Since battery generally exists
It is produced under the low dew point environment of high temperature, electrolyte is easy crystallization, leads to the line clogging of pumping, if cannot find and locate in time
Reason, will lead to the gas generated in battery forming process and is trapped in lithium battery, leads to battery case bulging, scraps even generation
Phenomena such as battery explosion, endangers and loses larger.
To prevent the electrolyte in formation process from leaking at the liquid injection port of battery, in Publication No. CN108091817A
State's utility application, discloses a kind of lithium battery negative pressure chemical conversion automatic checkout system in its specification, and the system is logical
It crosses and several individual conduits being independently connected with battery common excretory duct is set, individual conduits are fixedly arranged at the front end with negative pressure chemical conversion suction nozzle sheet
Body, negative pressure chemical conversion suction nozzle body pressure is inhaled to be set in the battery liquid-filling mouth upper surface for needing to be melted into lithium battery ontology, battery common excretory duct
It is equipped with pressure sensor and flowmeter, pressure sensor and flowmeter are connected by signal wire with PLC controller.But
During negative pressure chemical conversion vacuumizes, has a small amount of electrolyte and be inhaled into general pipeline, although the system passes through on general pipeline
Setting pressure sensor and flowmeter are monitored in real time, still, can only also detect the summation that chemical conversion generates exhaust gas flow in this way
And the pressure change on main pipe rail, when having in one of individual conduits has electrolyte to generate crystallization and blocks, though
So will not influence the registration that pressure sensor and flowmeter are shown on a display screen on main pipe rail, can not but learn specifically which
The blocking that road pipeline occurs, there are security risks；In addition, if being respectively provided with pressure sensor and flowmeter difference on the way every
It is detected, then the cost of system is larger.
In order in lithium battery negative pressure formation process, the on-off of negative pressure line be tested and be judged, Publication No.
The Chinese utility model patent application of CN107907264A discloses a kind of lithium electricity negative pressure line on off test in its specification
Tooling, the tooling include ontology compatible with formation of Li-ion batteries equipment, several are arranged on the body and sets with formation of Li-ion batteries
Standby upper vacuum slot corresponding tooling negative pressure channel mouth is provided with several on ontology with this tooling negative pressure channel mouth one by one
Corresponding pressure gauge, pressure gauge and tooling negative pressure channel opening in communication are additionally provided on ontology and are connected with several pressure gauges
The tooling communication interface connect.Above-mentioned test fixture is by detecting pressure on the negative pressure channel mouth of negative pressure line one by one, to sentence
The on-off of disconnected negative pressure channel pipeline, such structure is excessively complicated, and it is relatively complicated to operate.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of the utility model is to provide one kind being capable of real-time detection negative pressure chemical conversion branch
Whether road blocks or there are the lithium battery negative pressure formation devices of leakage.
In order to realize the purpose of above-mentioned utility model, the utility model adopts the following technical solution:
A kind of lithium battery negative pressure formation device, comprising:
Negative-pressure vacuum system, for providing negative pressure to the equipment；
Positive pressuring drying gas system, for providing the drying gas with setting normal pressure to the equipment；
Total pipeline is connected between the total pipeline and the negative-pressure vacuum system by one first pipeline, described
Total pipeline and the positive pressuring drying gas system between be connected by one second pipeline；
At least one negative pressure is melted into branch, the described negative pressure chemical conversion branch include successively the branch pipe of configured in fluid communication, opening,
Fluid reservoir, suction nozzle, the branch pipe connect with the total pipeline, and the suction nozzle is used to infuse with the lithium battery being melted into negative pressure
Liquid mouth connects, and the fluid reservoir is for the temporary electrolyte being sucked out by the suction nozzle；
Negative pressure chemical conversion branch road described at least one is provided with for detecting the fluid reservoir electrolyte inside liquid level
The liquid level detector of information, the liquid level detector connect with signal with a microprocessor.
In above-mentioned technical proposal, it is preferred that the negative pressure chemical conversion branch has multiple, each negative pressure chemical conversion branch
Road be provided with one described in liquid level detector, each liquid level detector with the microprocessor phase signals
Connection.
In above-mentioned technical proposal, it is preferred that be provided with the first solenoid valve, the microprocessor on first pipeline
It is connect with the first solenoid valve phase control.
In above-mentioned technical proposal, it is preferred that be provided with second solenoid valve, the microprocessor on second pipeline
It is connect with the second solenoid valve phase control.
In above-mentioned technical proposal, it is preferred that the liquid level detector is contactless liquid level sensor or contact liquid
Level sensor；Wherein, the contactless liquid level sensor be capacitance level transducer or inductance type liquid level sensor or
Resistance-type level transducer or optical fiber type liquid level sensor, the contact liquid level sensor are mechanical liquid level meter.
In above-mentioned technical proposal, it is preferred that the fluid reservoir is at least partially transparence.
In above-mentioned technical proposal, it is preferred that the lithium battery negative pressure formation device includes for externally issuing alarm signal
Number alarm unit, the alarm unit connects with signal with the microprocessor.
The utility model obtains compared with prior art following the utility model has the advantages that this case is arranged by being melted on branch road in negative pressure
Liquid level detector, by liquid level detector come the liquid level information of real-time detection fluid reservoir electrolyte inside, and this liquid level information is anti-
It is fed in a microprocessor, is compared by the liquid level information of actual measurement with the level threshold in microprocessor, so that judgement is negative
Pressure chemical conversion branch road whether there is blocking or leakage, provide on-line real-time measuremen, detect more quick, reliable.
Detailed description of the invention
Attached drawing 1 is that the principle schematic diagram of the lithium battery negative pressure formation device of the utility model first embodiment is (single
The application of negative pressure chemical conversion branch)；
Attached drawing 2 is that the principle schematic diagram of the lithium battery negative pressure formation device of the utility model second embodiment is (multiple
The application of negative pressure chemical conversion branch)；
Wherein: 100, lithium battery negative pressure formation device；101, lithium battery；102, liquid injection port；11, negative-pressure vacuum system；12；
Positive pressuring drying gas system；13, total pipeline；14, the first pipeline；141, the first electromagnetism is anti-；15, the second pipeline；151, the second electromagnetism
Valve；16, negative pressure is melted into branch；161, branch pipe；162, it is open；163, fluid reservoir；164, suction nozzle；165, liquid level detector；17, micro-
Processor；200, lithium battery negative pressure formation device；201, lithium battery；202, liquid injection port；21, negative-pressure vacuum system；22；Just press dry
Pathogenic dryness system；23, total pipeline；24, the first pipeline；241, the first solenoid valve；25, the second pipeline；251, second solenoid valve；26,
Negative pressure is melted into branch；261, branch pipe；262, it is open；263, fluid reservoir；264, suction nozzle；265, liquid level detector；27, micro process
Device.
Specific embodiment
By the technology contents of utility model are described in detail, construction feature, are reached purpose and efficacy, below in conjunction with implementation
Example simultaneously cooperates attached drawing to be described in detail.
First embodiment: the present embodiment is by taking the application of single negative pressure chemical conversion branch as an example, in the present embodiment, lithium battery negative pressure
Formation device 100 includes negative-pressure vacuum system 11, positive pressuring drying gas system 12, total pipeline 13, negative pressure chemical conversion branch 16 and micro-
Processor 17.It makes and illustrating below in conjunction with each structure and its working principle of the attached drawing 1 to negative pressure formation device.
With reference to the accompanying drawings shown in 1, negative-pressure vacuum system 11 is used to provide negative-pressure sucking to the equipment, and negative-pressure vacuum system 11 is logical
One first pipeline 14 is crossed to be connected with total pipeline 13.
Positive pressuring drying gas system 12 is used to provide the drying gas with setting normal pressure, positive pressuring drying gas system to the equipment
12 are connected by one second pipeline 15 with total pipeline 13.
Negative pressure is melted into branch 16 and includes the successively branch pipe 161 of configured in fluid communication, opening 162, fluid reservoir 163, suction nozzle 164,
Branch pipe 161 connects with total pipeline 13, and suction nozzle 164 with the liquid injection port 102 for the lithium battery 101 being melted into negative pressure for connecting, liquid storage
Tank 163 is for the temporary electrolyte being sucked out by suction nozzle 164.Specifically, gas in lithium battery 101 is by suction nozzle 164 when being extracted out,
A small amount of electrolyte is had as these gases are extracted together, and is temporarily stored in fluid reservoir 163, and in fluid reservoir 163
It separates gas and electrolyte, and the gas after separation is passed through into the guidance of negative-pressure vacuum system 11 to the outside of fluid reservoir 163, so again
Afterwards again by positive pressuring drying gas system 12 towards dry gas is filled in fluid reservoir 163, the electricity in fluid reservoir 163 will be trapped in after separation
Solution liquid is injected back into lithium battery 101 again by suction nozzle 164, and drawing liquid and fluid injection loop back and forth like this, constantly by lithium battery 101
It is internalized into outside the gas discharge lithium battery 101 of generation.
In order to effectively control the on-off of the first pipeline 14 and the second pipeline 15, rationally to control Jie of negative pressure and dry gas
Enter, so that drawing liquid and the orderly progress of fluid injection, be provided with the first solenoid valve 141 on the first pipeline 14, on the second pipeline 15
It is provided with second solenoid valve 151, and the first and second solenoid valve is connect with 17 phase control of microprocessor respectively.
The liquid level detector for detecting 163 electrolyte inside liquid level information of fluid reservoir is provided on negative pressure chemical conversion branch 16
165, which connects with signal with microprocessor 17, the electrolyte that liquid level detector 165 can be detected
Liquid level information feeds back to microprocessor 17, and microprocessor 17 is by by the electrolyte liquid of each 165 Real-time Feedback of liquid level detector
Place value is compared with the level threshold prestored inside it, to judge whether negative pressure chemical conversion branch 16 blocks or in the presence of letting out
Leakage.It is necessary to explanations, with the passage of lithium battery negative pressure chemical conversion time, each period that lithium battery is melted into negative pressure
Interior, the level threshold prestored in microprocessor 27 is the value of a variation, and the chemical conversion of lithium battery negative pressure proceeds to the corresponding period
Interior, the electrolyte level value of actual measurement is compared with the level threshold in the corresponding period, to specifically judge each negative pressure
Whether occur to block at branch or there is leakage, and can judge that specifically which negative pressure chemical conversion branch occurs blocking or exists
Leakage.
In the present embodiment, liquid level detector 165 can select contact liquid level detecting sensor or contact-free level
Sensor, contact liquid level sensor are mechanical liquid level meter, since electrolyte has corrosivity, preferably select non-connect
Touch liquid level sensor, contactless liquid level sensor are capacitance level transducer or inductance type liquid level sensor or resistance-type
Liquid level sensor or optical fiber type liquid level sensor.In addition, becoming for the ease of observing the height of liquid level of 163 electrolyte inside of fluid reservoir
Change, fluid reservoir 163 is preferably positioned to transparence.
In other embodiments, an also settable alarm unit, the alarm unit are connected with 17 signal of microprocessor, work as liquid
When bit detector detects that the liquid level information of fluid reservoir electrolyte inside and the preset liquid level information of microprocessor internal mismatch, i.e.,
Negative pressure chemical conversion branch 16 is blocked or there are leakage situations, then microprocessor sends an alarm command, report to alarm unit
Alert unit sends out alarm signal；In addition, also settable one connect and for real-time display fluid reservoir with microprocessor signals
The display screen of electrolyte inside liquid level information.
Second embodiment: the present embodiment is by taking the application of multiple negative pressure chemical conversion branch as an example, in the present embodiment, lithium battery negative pressure
Formation device 200 includes negative-pressure vacuum system 21, positive pressuring drying gas system 22, total pipeline 23, negative pressure chemical conversion branch 26 and micro-
Processor 27.It makes and illustrating below in conjunction with each structure and its working principle of the attached drawing 2 to negative pressure formation device.
With reference to the accompanying drawings shown in 2, negative-pressure vacuum system 21 is used to provide negative-pressure sucking to the equipment, and negative-pressure vacuum system 21 is logical
One first pipeline 24 is crossed to be connected with total pipeline 23.
Positive pressuring drying gas system 22 is used to provide the drying gas with setting normal pressure, positive pressuring drying gas system to the equipment
22 are connected by one second pipeline 25 with total pipeline 23.
Negative pressure is melted into branch 26 and includes the successively branch pipe 261 of configured in fluid communication, opening 262, fluid reservoir 263, suction nozzle 264,
Branch pipe 261 connects with total pipeline 23, and suction nozzle 264 with the liquid injection port 202 for the lithium battery 201 being melted into negative pressure for connecting, liquid storage
Tank 263 is for the temporary electrolyte being sucked out by suction nozzle 264.Specifically, gas in lithium battery 201 is by suction nozzle 264 when being extracted out,
A small amount of electrolyte is had as these gases are extracted together, and is temporarily stored in fluid reservoir 263, and in fluid reservoir 263
It separates gas and electrolyte, and the gas after separation is passed through into the guidance of negative-pressure vacuum system 21 to the outside of fluid reservoir 263, so again
Afterwards again by positive pressuring drying gas system 22 towards dry gas is filled in fluid reservoir 263, the electricity in fluid reservoir 263 will be trapped in after separation
Solution liquid is injected back into lithium battery 201 again by suction nozzle 264, and drawing liquid and fluid injection loop back and forth like this, constantly by lithium battery 201
It is internalized into outside the gas discharge lithium battery 201 of generation.
In order to effectively control the on-off of the first pipeline 24 and the second pipeline 25, rationally to control Jie of negative pressure and dry gas
Enter, so that drawing liquid and the orderly progress of fluid injection, be provided with the first solenoid valve 241 on the first pipeline 24, on the second pipeline 25
It is provided with second solenoid valve 251, and the first and second solenoid valve is connect with 27 phase control of microprocessor respectively.
The liquid level for detecting 263 electrolyte inside liquid level information of fluid reservoir is provided on each negative pressure chemical conversion branch 26
Detector 265, each liquid level detector 265 connect with signal with microprocessor 27 respectively, and each liquid level detector 265 can incite somebody to action
Its electrolyte liquid level information detected feeds back to microprocessor 27, and microprocessor 27 passes through each liquid level detector 265 is real
When the electrolyte level value that feeds back compared with the level threshold prestored inside it, to judge each corresponding negative pressure chemical conversion
Whether branch 26 blocks or there is leakage, and can judge specifically which branch occurs blocking or there is leakage.It is necessary to
Illustrate, with the passage of lithium battery negative pressure chemical conversion time, lithium battery is within each period that negative pressure is melted into, microprocessor
The value that level threshold is a variation is prestored in 27, the chemical conversion of lithium battery negative pressure proceeded in the corresponding period, the electrolysis of actual measurement
Liquid level value is compared with the level threshold in the corresponding period, to specifically judge whether each negative pressure chemical conversion branch occurs
There is leakage in blocking, and can judge that specifically which negative pressure chemical conversion branch occurs blocking or there is leakage.
In the present embodiment, liquid level detector 265 can select contact liquid level detecting sensor or contact-free level
Sensor, contact liquid level sensor are mechanical liquid level meter, since electrolyte has corrosivity, preferably select non-connect
Touch liquid level sensor, contactless liquid level sensor are capacitance level transducer or inductance type liquid level sensor or resistance-type
Liquid level sensor or optical fiber type liquid level sensor.In addition, becoming for the ease of observing the height of liquid level of 263 electrolyte inside of fluid reservoir
Change, fluid reservoir 263 is preferably positioned to transparence.
In other embodiments, an also settable alarm unit, the alarm unit are connected with 27 signal of microprocessor, work as liquid
When bit detector detects that the liquid level information of fluid reservoir electrolyte inside and the preset liquid level information of microprocessor internal mismatch, i.e.,
Negative pressure chemical conversion branch 26 is blocked or there are leakage situations, then microprocessor sends an alarm command, report to alarm unit
Alert unit sends out alarm signal；In addition, also settable one connect and for real-time display fluid reservoir with microprocessor signals
The display screen of electrolyte inside liquid level information.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent changes or modifications made according to the spirit of the present invention should be covered within the scope of the utility model.
Claims (7)
1. a kind of lithium battery negative pressure formation device, comprising:
Negative-pressure vacuum system (11；21), for providing negative pressure to the equipment；
Positive pressuring drying gas system (12；22), for providing the drying gas with setting normal pressure to the equipment；
Total pipeline (13；23), the total pipeline (13；23) with the negative-pressure vacuum system (11；21) pass through one the between
One pipeline (14；24) it is connected, the total pipeline (13；23) with the positive pressuring drying gas system (12；22) pass through between
One second pipeline (15；25) it is connected；
At least one negative pressure is melted into branch (16；26), the negative pressure is melted into branch (16；26) include successively configured in fluid communication
Branch pipe (161；261), opening (162；262), fluid reservoir (163；263), suction nozzle (164；264), the branch pipe (161；261)
With the total pipeline (13；23) connect, the suction nozzle (164；264) the lithium battery liquid injection port phase for being used for and being melted into negative pressure
It connects, the fluid reservoir (163；263) for temporary by the suction nozzle (164；264) electrolyte being sucked out；It is characterized in that,
Negative pressure described at least one is melted into branch (16；26) it is provided on for detecting the fluid reservoir (163；263) in
The liquid level detector (165 of portion's electrolyte liquid level information；265), the liquid level detector (165；265) with a microprocessor
(17；27) it connects with signal.
2. lithium battery negative pressure formation device according to claim 1, it is characterised in that: the negative pressure is melted into branch (26)
Liquid level detector (265) described in being provided with one with multiple, in each negative pressure chemical conversion branch (26), Ge Gesuo
The liquid level detector (265) stated connects with signal with the microprocessor (27).
3. lithium battery negative pressure formation device according to claim 1, it is characterised in that: first pipeline (14；24)
On be provided with the first solenoid valve (141；241), the microprocessor (17；27) with first solenoid valve (141；241)
Phase control connection.
4. lithium battery negative pressure formation device according to claim 1, it is characterised in that: second pipeline (15；25)
On be provided with second solenoid valve (151；251), the microprocessor (17；27) with the second solenoid valve (151；251)
Phase control connection.
5. lithium battery negative pressure formation device according to claim 1, it is characterised in that: the liquid level detector (165；
It 265) is contactless liquid level sensor or contact liquid level sensor；Wherein, the contactless liquid level sensor is electricity
Appearance formula liquid level sensor or inductance type liquid level sensor or resistance-type level transducer or optical fiber type liquid level sensor, described connects
Touch liquid level sensor is mechanical liquid level meter.
6. lithium battery negative pressure formation device according to claim 1, it is characterised in that: the fluid reservoir (163；263)
At least part is transparence.
7. lithium battery negative pressure formation device according to claim 1, it is characterised in that: the lithium battery negative pressure chemical conversion is set
Standby includes the alarm unit for externally issuing alarm signal, the alarm unit and the microprocessor (17；27) phase
Signal connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821337396.9U CN208580812U (en) | 2018-08-20 | 2018-08-20 | Lithium battery negative pressure formation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821337396.9U CN208580812U (en) | 2018-08-20 | 2018-08-20 | Lithium battery negative pressure formation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208580812U true CN208580812U (en) | 2019-03-05 |
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ID=65512326
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821337396.9U Active CN208580812U (en) | 2018-08-20 | 2018-08-20 | Lithium battery negative pressure formation equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463510A (en) * | 2020-04-14 | 2020-07-28 | 上海豫源电力科技有限公司 | Soft package battery module and manufacturing method thereof |
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2018
- 2018-08-20 CN CN201821337396.9U patent/CN208580812U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463510A (en) * | 2020-04-14 | 2020-07-28 | 上海豫源电力科技有限公司 | Soft package battery module and manufacturing method thereof |
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