CN220895803U - Annotate liquid and keep stand station gas piping system - Google Patents
Annotate liquid and keep stand station gas piping system Download PDFInfo
- Publication number
- CN220895803U CN220895803U CN202322578224.8U CN202322578224U CN220895803U CN 220895803 U CN220895803 U CN 220895803U CN 202322578224 U CN202322578224 U CN 202322578224U CN 220895803 U CN220895803 U CN 220895803U
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- standing station
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- 239000007788 liquid Substances 0.000 title claims abstract description 43
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 355
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 171
- 239000007789 gas Substances 0.000 claims abstract description 79
- 238000002347 injection Methods 0.000 claims abstract description 39
- 239000007924 injection Substances 0.000 claims abstract description 39
- 239000002912 waste gas Substances 0.000 claims abstract description 19
- 230000037452 priming Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 239000000872 buffer Substances 0.000 claims description 43
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 21
- 239000012535 impurity Substances 0.000 claims description 6
- 239000013072 incoming material Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 21
- 230000008569 process Effects 0.000 abstract description 20
- 210000001503 joint Anatomy 0.000 description 16
- 239000000243 solution Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 235000013547 stew Nutrition 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000035772 mutation Effects 0.000 description 3
- 230000003584 silencer Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000003792 electrolyte Substances 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
- 238000012545 processing Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
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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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- Pipeline Systems (AREA)
Abstract
The utility model provides a gas pipeline system of a liquid injection standing station, which comprises the following components: at least one standing station, a vacuum pipeline system, a nitrogen pipeline system and a waste gas exhaust pipeline system; the standing station is used for providing a sealed standing space for the liquid injection battery, a bell jar assembly is arranged in the standing station, and the bell jar assembly comprises an upper part of the separable bell jar assembly and a lower part of the bell jar assembly, and is used for realizing the sealing of the battery and the in-out of the battery; the vacuum pipeline system is used for vacuumizing the standing station when the priming cell stands; the nitrogen pipeline system is used for charging nitrogen into the standing station and increasing the pressure when the liquid injection battery stands still; an exhaust gas piping system; exhaust gas is discharged to a standing station when the priming cell stands; the lower part of the bell jar component is respectively connected with a vacuum pipeline system, a nitrogen pipeline system and a waste gas exhaust pipeline system. The utility model realizes the full-automatic circulation of the vacuum-high pressure-exhaust process of the standing station in the standing process.
Description
Technical Field
The utility model relates to the technical field of new energy battery production, in particular to a gas pipeline system of a liquid injection standing station.
Background
In the field of the filling procedure of the cell production, the equipment ratio using the isostatic rest process is also higher and higher in the market at present, but a device or a system for realizing the isostatic rest of the cell rapidly, effectively and safely is also lacking.
Disclosure of utility model
Accordingly, an objective of the present utility model is to provide a gas pipeline system of a liquid injection standing station, so as to overcome the above-mentioned problems in the prior art.
The utility model provides a gas pipeline system of a liquid injection standing station, which comprises the following components: at least one standing station, a vacuum pipeline system, a nitrogen pipeline system and a waste gas exhaust pipeline system;
A standing station for providing a sealed standing space for the priming cell, wherein a bell jar component is arranged in the standing station, the bell jar assembly comprises an upper part of the separable bell jar assembly and a lower part of the bell jar assembly, and is used for realizing the sealing of the battery and the in-out of the battery;
The vacuum pipeline system is used for vacuumizing the standing station when the priming cell stands;
The nitrogen pipeline system is used for charging nitrogen into the standing station and increasing the pressure when the liquid injection battery stands still;
An exhaust gas piping system; exhaust gas is discharged to a standing station when the priming cell stands;
the lower part of the bell jar component is respectively connected with a vacuum pipeline system, a nitrogen pipeline system and a waste gas exhaust pipeline system.
In a preferred embodiment of the present utility model, the vacuum piping system includes: the device comprises a vacuum main pipe, a vacuum cache tank and a vacuum feeding main pipe, wherein the vacuum main pipe is connected with an outlet of the vacuum cache tank, the vacuum feeding main pipe is connected with an inlet of the vacuum cache tank, and the vacuum cache tank is used for caching a vacuum source; the nitrogen piping system comprises: the nitrogen gas main pipe is connected with an outlet of the nitrogen gas cache tank, the nitrogen gas main pipe is connected with an inlet of the nitrogen gas cache tank, and the nitrogen gas cache tank is used for caching nitrogen gas.
In a preferred embodiment of the present utility model, the vacuum pipe system further comprises: the vacuum branch pipe manual valve is arranged on the vacuum branch pipe of the standing station and is used for manually controlling the gas flow rate in the vacuum branch pipe of the standing station; the standing station vacuum branch pipe is connected between the lower part of the bell jar assembly and the vacuum main pipe;
The nitrogen piping system further comprises: the nitrogen branch pipe manual valve is arranged on the nitrogen branch pipe of the standing station and used for manually controlling the gas flow rate of the nitrogen branch pipe of the standing station, and the nitrogen branch pipe of the standing station is connected between the lower part of the bell jar assembly and the nitrogen main pipe.
In a preferred embodiment of the present utility model, the lower part of the bell jar assembly is respectively connected with a vacuum pipeline system, a nitrogen pipeline system and an exhaust pipeline system, specifically: the lower part of the bell jar component is provided with a gas pipeline interface which is respectively connected with a standing station vacuum branch pipe, a standing station nitrogen branch pipe and a standing station exhaust branch pipe of an exhaust pipeline system.
In a preferred embodiment of the present utility model, the vacuum pipe system further comprises: the vacuum branch pipe pneumatic check valve is arranged on a standing station vacuum branch pipe which is connected with the vacuum branch pipe manual valve and the vacuum buffer tank and is used for opening and closing vacuumizing of the standing station;
The nitrogen piping system further comprises: the nitrogen branch pipe pneumatic check valve is arranged on the standing station nitrogen branch pipe which is connected with the nitrogen branch pipe manual valve and the nitrogen cache tank and is used for opening and closing nitrogen filling in the standing station.
In the preferred embodiment of the utility model, a nitrogen filter is arranged on the connecting pipeline of the nitrogen cache tank and the nitrogen incoming material main pipe and is used for filtering out impurities in the incoming material nitrogen.
In a preferred embodiment of the present utility model, a safety relief valve is additionally installed at the bottom of the nitrogen buffer tank.
The embodiment of the utility model has the following beneficial effects:
1. the utility model realizes the full-automatic circulation of the vacuum-high pressure-exhaust process and the like in the standing process of standing;
2. The vacuum pipeline system and the nitrogen pipeline system are provided with the vacuum buffer tank and the nitrogen buffer tank, so that the consistency of the pressure of the standing station when the vacuum and the nitrogen are used is ensured, the consistency of the technological parameters of the battery in the liquid injection standing process is ensured, and the quality of the battery after standing is controlled;
3. According to the utility model, the vacuum branch pipe of the standing station and the nitrogen branch pipe of the standing station are additionally provided with the pneumatic check valves, so that the phenomenon of gas backflow in the vacuumizing/nitrogen adding process of each standing station can be prevented;
4. According to the utility model, the vacuum branch pipes of the standing station and the nitrogen branch pipes of the standing station are both additionally provided with the manual valves, so that the gas flow rate of each branch pipe can be manually controlled, and the situation that the appearance of the battery is influenced due to the fact that the pressure mutation is not generated in the standing process of the battery is ensured;
5. The standing station in the system is composed of a plurality of standing stations, and the design and the installation of the standing stations are modularized, so that the standing stations are favorable for matching with batteries of different types and equipment with different efficiencies.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the utility model and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a gas pipeline system of a liquid injection standing station according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a standing station of a gas pipeline system of a liquid injection standing station according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a vacuum pipeline system of a gas pipeline system of a liquid injection standing station according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a nitrogen pipeline system of a gas pipeline system of a liquid injection standing station according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a waste gas exhaust pipeline system of a gas pipeline system of a liquid injection standing station according to an embodiment of the present utility model;
The device comprises a 0-workshop suspended ceiling, a 1-standing station, a 11-bell jar assembly, a 12-lifting cylinder assembly, a 13-guide shaft assembly, a 14-outer cover, a 15-frame, a 2-vacuum pipeline system, a 21-standing station vacuum branch pipe, a 22-vacuum branch pipe manual valve, a 23-vacuum branch pipe pneumatic check valve, a 24-vacuum main pipe, a 25-vacuum buffer tank, a 26-vacuum feeding main pipe, a 3-nitrogen pipeline system, a 31-standing station nitrogen branch pipe, a 32-nitrogen branch pipe manual valve, a 33-nitrogen branch pipe pneumatic check valve, a 34-nitrogen main pipe, a 35-nitrogen buffer tank, a 36-nitrogen filter, a 37-nitrogen feeding main pipe, a 4-exhaust pipeline system, a 41-standing station exhaust branch pipe, a 42-exhaust branch pipe manual valve, a 43-exhaust branch pipe pneumatic check valve, a 44-exhaust main pipe, a 45-exhaust buffer tank, a 46-exhaust silencer and a 47-exhaust main pipe.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model relates to the field of vacuum pumping-vacuum maintaining-vacuum breaking-normal pressure-nitrogen adding-high pressure maintaining-waste gas discharging-normal pressure-vacuum pumping circulation processes of a battery in a sealed environment when the battery is subjected to isobaric liquid injection and standing, and the pressure circulation of gas of the battery in the standing process is realized by a standing station through a vacuum pipeline system, a nitrogen pipeline system and a waste gas discharging pipeline system, so that the rapid absorption of electrolyte of the battery in the standing process is realized; the system is in a modularized design, and can be better matched with batteries of different types and liquid injection equipment with different production efficiencies.
Examples
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A gas pipeline system of a liquid injection standing station, referring to fig. 1 to 5, comprising: at least one standing station 1, a vacuum pipeline system 2, a nitrogen pipeline system 3 and a waste gas exhaust pipeline system 4;
A standing station 1 for providing a sealed standing space for a liquid injection battery, wherein a bell jar assembly 11 is arranged in the standing station 1, and the bell jar assembly 11 comprises an upper part of the separable bell jar assembly and a lower part of the bell jar assembly, and is used for realizing the sealing of the battery and the in-out of the battery;
The vacuum pipeline system 2 is used for vacuumizing the standing station 1 when the priming battery stands;
The nitrogen pipeline system 3 is used for charging nitrogen into the standing station 1 and increasing the pressure when the liquid injection battery stands;
An exhaust gas line system 4; exhaust gas is discharged to the standing station 1 when the priming cell is standing;
The lower part of the bell jar assembly 11 is respectively connected with the vacuum pipeline system 2, the nitrogen pipeline system 3 and the exhaust pipeline system 4.
In a possible embodiment, the vacuum pipe system 2 comprises: the vacuum main pipe 24 is connected with an outlet of the vacuum buffer tank 25, the vacuum buffer tank 25 is used for buffering a vacuum source, and the vacuum main pipe 26 is connected with an inlet of the vacuum buffer tank 25; the nitrogen piping system 3 includes: the nitrogen gas house steward 34, nitrogen gas buffer tank 35, nitrogen gas incoming material house steward 37, nitrogen gas house steward 34 and the exit linkage of nitrogen gas buffer tank 35, nitrogen gas incoming material house steward 37 and the entrance linkage of nitrogen gas buffer tank 35, nitrogen gas buffer tank 35 is used for buffering nitrogen gas.
In a possible embodiment, the vacuum pipe system 2 further comprises: a vacuum branch pipe manual valve 22 and a standing station vacuum branch pipe 21, wherein the vacuum branch pipe manual valve 22 is arranged on the standing station vacuum branch pipe 21 and is used for manually controlling the gas flow rate in the standing station vacuum branch pipe 21; the standing station vacuum branch pipe 21 is connected between the lower part of the bell jar assembly 11 and the vacuum main pipe 24;
The nitrogen pipeline system 3 further comprises: nitrogen branch pipe manual valve 32, station nitrogen branch pipe 31 stews, and wherein nitrogen branch pipe manual valve 32 installs on station nitrogen branch pipe 31 stews for manual control stews the gas flow rate of station nitrogen branch pipe 31 stews, station nitrogen branch pipe 31 stews and connects between the lower part of bell jar subassembly 11 and nitrogen manifold 34.
In a possible embodiment, the lower part of the bell jar assembly 11 is connected to the vacuum pipe system 2, the nitrogen pipe system 3 and the exhaust pipe system 4 respectively, specifically: the lower part of the bell jar assembly 11 is provided with a gas pipeline interface which is respectively connected with a standing station vacuum branch pipe 21, a standing station nitrogen branch pipe 31 and a standing station exhaust branch pipe 41 of the exhaust pipeline system 4.
In a possible embodiment, the vacuum pipe system 2 further comprises: the vacuum branch pipe pneumatic check valve 23 is arranged on the standing station vacuum branch pipe 21 which is connected with the vacuum branch pipe manual valve 22 and the vacuum buffer tank 25 and is used for opening and closing the vacuumizing of the standing station 1;
The nitrogen pipeline system 3 further comprises: the nitrogen branch pipe pneumatic check valve 33 is arranged on the nitrogen branch pipe 31 of the standing station for connecting the nitrogen branch pipe manual valve 32 and the nitrogen buffer tank 35 and is used for opening and closing the nitrogen filling of the standing station 1.
In the preferred embodiment of the present utility model, a nitrogen filter 36 is installed on the connection line between the nitrogen buffer tank 35 and the nitrogen inlet manifold 37, for filtering out impurities in the inlet nitrogen.
In a possible embodiment, a safety relief valve is additionally installed at the bottom of the nitrogen buffer tank 35.
The utility model utilizes a gas pipeline system of the liquid injection standing station to realize the circulation process of vacuumizing, vacuum maintaining, vacuum breaking, normal pressure, nitrogen adding, high pressure maintaining, waste gas discharging, normal pressure and vacuumizing in a sealed environment when the battery is subjected to constant pressure liquid injection standing; the system is in a modularized design, and can be better matched with batteries of different types and liquid injection equipment with different production efficiencies.
The utility model relates to a gas pipeline system of a liquid injection standing station, which comprises a standing station, a vacuum pipeline system, a nitrogen pipeline system and a waste gas exhaust pipeline system; the utility model comprehensively realizes the full-automatic circulation of the steps of vacuum, high pressure, exhaust gas discharge and the like in the standing process of the battery of the liquid injection standing station; the vacuum pipeline system and the nitrogen pipeline system are provided with the vacuum buffer tank and the nitrogen buffer tank, so that the consistency of the pressure of the standing station when the vacuum and the nitrogen are used is ensured, the consistency of the technological parameters of the battery in the liquid injection standing process is ensured, and the quality of the battery after standing is controlled; according to the utility model, the vacuum and nitrogen pipeline branch pipes of each standing station are additionally provided with the pneumatic check valves, so that the phenomenon of gas backflow in the vacuumizing/nitrogen adding process of each standing station can be prevented; according to the utility model, the vacuum and nitrogen pipeline branch pipes of each standing station are simultaneously provided with the manual valves, so that the gas flow rate of each branch pipe can be manually controlled, and the situation that the appearance of the battery is influenced due to pressure mutation in the standing process of the battery is ensured.
For a more detailed description of the present utility model, referring to fig. 1 to 5, a gas pipeline system of a liquid injection standing station according to the present embodiment includes: a standing station 1, a vacuum pipeline system 2, a nitrogen pipeline system 3 and a waste gas discharge pipeline system 4;
The number of the standing stations 1 is 5, and the standing stations are composed of a bell jar assembly 11, a lifting cylinder assembly 12, a guide shaft assembly 13, an outer cover 14, a frame 15 and other parts, and mainly serve to provide a sealed standing space for a liquid injection battery; the bell jar assembly 11 is divided into an upper part and a lower part, and can be separated and combined under the action of the lifting air cylinder assembly 12 and the guide shaft assembly 13, so that the battery is sealed and the battery is in and out; the upper and lower parts of the bell jar assembly 11 can be sealed and locked under the action of an external cylinder; the outer cover 14 can provide a separate sealed space for the standing station 1;
Each standing station 1 is provided with a gas pipeline interface, and three branch pipes are arranged on a connecting pipeline, namely a standing station vacuum branch pipe 21, a standing station nitrogen branch pipe 31 and a standing station exhaust branch pipe 41; one end of the connecting pipeline is connected with the lower part of the bell jar assembly 11 in the standing station 1, the other end of the connecting pipeline is respectively connected with the vacuum branch pipe manual valve 22, the nitrogen branch pipe manual valve 32 and the exhaust gas branch pipe manual valve 42, and the connecting pipeline can be quickly installed and detached;
The design and the installation of the 5 standing stations are all in a modularized design, so that the 5 standing stations are favorable for matching with batteries of different types and equipment with different efficiencies.
The vacuum pipeline system 2 consists of a standing station vacuum branch pipe 21, a vacuum branch pipe manual valve 22, a vacuum branch pipe pneumatic check valve 23, a vacuum main pipe 24, a vacuum buffer tank 25, a vacuum feeding main pipe 26 and other parts; the vacuum branch pipe manual valve 22 mainly has the function of manually controlling the vacuum flow rate of a single standing station 1, ensuring the uniformity of pressure change when the standing station 1 is vacuumized, and simultaneously preventing the pressure in the vacuum buffer tank 25 from suddenly dropping to a certain extent so as to avoid the risk of the standing station 1 not going on in pressure for a long time; the vacuum branch pipe pneumatic check valve 23 mainly has the functions of automatically realizing the opening and closing of the vacuumizing of the standing station 1, guaranteeing the timeliness of the opening and closing of the vacuumizing of the standing station 1, and simultaneously, the vacuum branch pipe pneumatic check valve 23 can prevent the backflow of the vacuum in the standing station 1, so that the standing station 1 can not generate pressure drop in the vacuum pressure maintaining stage; the vacuum main pipe 24 is connected with all standing station vacuum branch pipes 21 of the standing station 1, the inlet ends of the vacuum main pipe 24 are connected with the outlet flange of the vacuum buffer tank 25 through flanges, the caliber of the vacuum main pipe 24 is larger than that of the standing station vacuum branch pipes 21, and the situation that larger pressure and flow loss are not generated when the standing station vacuum branch pipes 21 are gathered on the vacuum main pipe 24 is ensured; flanges are arranged at the inlet and outlet pipelines of the vacuum buffer tank 25, so that the butt joint of the vacuum main pipe 24 and the vacuum feeding main pipe 26 is facilitated, the vacuum buffer tank 25 is mainly used for buffering a vacuum source with a certain volume, the vacuumizing efficiency is not influenced by insufficient vacuum flow when the standing station 1 is used for vacuum, and the vacuumizing consistency in the standing station 1 is further ensured; a drain outlet is additionally arranged at the bottom of the vacuum buffer tank 25, so that stains generated after the vacuum buffer tank 25 is used for a long time can be discharged; the stainless steel pressure gauge is additionally arranged at the upper part of the vacuum buffer tank 25, so that the internal pressure of the vacuum buffer tank 25 can be displayed in real time; the vacuum feeding main pipe 26 is provided for the workshop power department, the installation interface position, the size and the requirements of the vacuum feeding main pipe 26 can be constrained in advance, the vacuum feeding main pipe 26 extends out of the lower surface of the workshop suspended ceiling 0 and can be in butt joint with the vacuum buffer tank 25, and the butt joint mode is flange butt joint.
The nitrogen pipeline system 3 consists of a nitrogen branch pipe 31, a nitrogen branch pipe manual valve 32, a nitrogen branch pipe pneumatic check valve 33, a nitrogen main pipe 34, a nitrogen cache tank 35, a nitrogen filter 36, a nitrogen incoming main pipe 37 and other parts of a standing station; the nitrogen branch pipe manual valve 32 is mainly used for manually controlling the nitrogen flow rate of a single standing station 1, so that the uniformity of pressure change of the standing station 1 when nitrogen is added is ensured, and meanwhile, the pressure drop in the nitrogen cache tank 35 can be prevented to a certain extent, and the risk that the standing station 1 cannot go on in pressure for a long time is avoided; the pneumatic check valve 33 of the nitrogen branch pipe has the main functions of automatically realizing the opening and closing of the nitrogen adding of the standing station 1, ensuring the timeliness of the opening and closing of the nitrogen adding of the standing station 1, and simultaneously, the pneumatic check valve 33 of the nitrogen branch pipe can prevent the backflow of the nitrogen in the standing station 1, so that the pressure of the standing station 1 cannot be reduced in the nitrogen adding pressure maintaining stage; the nitrogen main pipe 34 is connected with all the nitrogen branch pipes 31 of the standing station, the inlet end of the nitrogen main pipe 34 is connected with the outlet end of the nitrogen buffer tank 35 through a flange, and the caliber of the nitrogen main pipe 34 is larger than that of the nitrogen branch pipe 31 of the standing station, so that larger pressure and flow loss can not be generated when nitrogen is distributed from the nitrogen main pipe 34 to the nitrogen branch pipe 31 of the standing station; flanges are arranged on pipelines at the inlet end and the outlet end of the nitrogen cache tank 35, so that the butt joint of the nitrogen main pipe 34 and the nitrogen feeding main pipe 37 is facilitated, the nitrogen cache tank 35 mainly plays a role in caching high-pressure nitrogen with a certain volume, the nitrogen adding efficiency is not influenced by insufficient nitrogen pressure and flow when the high-pressure nitrogen is used by the standing station 1, and the consistency of nitrogen adding in the standing station 1 is further ensured; the bottom of the nitrogen cache tank 35 is additionally provided with a safety relief valve, so that the risk of explosion caused by overhigh pressure in the nitrogen cache tank 35 can be prevented; the stainless steel pressure gauge is additionally arranged at the upper part of the nitrogen cache tank 35, so that the internal pressure of the nitrogen cache tank 35 can be displayed in real time; the nitrogen incoming header pipe 37 is provided for a workshop power department, the installation interface position, the size and the requirements of the nitrogen incoming header pipe can be constrained in advance, the nitrogen incoming header pipe 37 extends out of the lower surface of the workshop suspended ceiling 0 and is in butt joint with a butt joint pipeline extending out of the nitrogen cache tank 35, and the butt joint mode is flange butt joint; the nitrogen filter 36 is arranged on the butt joint pipeline of the nitrogen buffer tank 35, impurities in the incoming nitrogen are filtered, and the situation that the inside high-pressure nitrogen does not have impurities to enter the inside of the battery to influence the quality of the battery when the battery is filled with liquid and kept still by the standing station 1 is further guaranteed.
The exhaust gas pipeline system 4 comprises an exhaust gas branch pipe 41, an exhaust gas branch pipe manual valve 42, an exhaust gas branch pipe pneumatic check valve 43, an exhaust gas main pipe 44, an exhaust gas cache tank 45, an exhaust gas silencer 46, an exhaust gas incoming main pipe 47 and other components of the standing station; the manual valve 42 of the exhaust branch pipe has the main functions of manually controlling the exhaust air flow rate of a single standing station 1, ensuring the uniformity of pressure change when the standing station 1 adds exhaust air, ensuring that the battery can not generate larger pressure difference between the inside and the outside of the battery in the exhaust air stage, further avoiding the swelling phenomenon of the appearance of the battery, reducing the flow rate of the exhaust manifold 44 to a certain extent, and avoiding the generation of severe noise caused by overlarge flow rate when the exhaust manifold 44 exhausts the exhaust air; the pneumatic check valve 43 of the exhaust branch pipe has the main functions of automatically realizing the opening and closing of the exhaust gas of the standing station 1, ensuring the timeliness of the opening and closing of the exhaust gas of the standing station 1, and simultaneously, the pneumatic check valve 43 of the exhaust branch pipe can prevent the backflow of the nitrogen in the standing station 1, so that the standing station 1 can not generate pressure drop in the nitrogen adding/vacuum pressure maintaining stage; the exhaust manifold 44 is connected with all the exhaust branch pipes 41 of the standing station, and the inlet end of the exhaust manifold 44 is connected with the outlet end flange of the exhaust buffer tank 45 through a flange, wherein the caliber of the exhaust manifold 44 is larger than that of the exhaust branch pipes 41 of the standing station, so that severe noise is not generated due to larger pressure and flow loss when exhaust is gathered on the exhaust manifold 44 from the exhaust branch pipes 41 of the standing station; the exhaust gas buffer tank 45 is arranged outside the suspended ceiling 0 of the workshop, which is equivalent to a noise source and is not arranged in the workshop, so that noise generated when the exhaust gas buffer tank 45 buffers high-pressure exhaust gas is not transmitted to the inside of the liquid injection workshop, the production environment comfort of production personnel in the liquid injection workshop is improved, the inlet and outlet pipelines are provided with flanges, the butt joint of the exhaust gas main pipe 44 and the exhaust gas feeding main pipe 47 is convenient, the exhaust gas buffer tank 45 is mainly used for buffering high-pressure exhaust gas with a certain volume, and when the exhaust gas main pipe 47 collects exhaust gas, the pressure of the exhaust gas is not too high, so that the installation and fixing cost of the exhaust gas main pipe 47 is increased; a drain outlet is additionally arranged at the bottom of the exhaust gas cache tank 45, so that impurities in the exhaust gas cache tank 45 can be treated periodically; the stainless steel pressure gauge is additionally arranged on the upper part of the exhaust gas cache tank 45, so that the internal pressure of the exhaust gas cache tank 45 can be displayed in real time; the waste gas discharge and feed main pipe 47 is provided for a workshop power department, the installation interface position, the size and the requirements of the waste gas discharge and feed main pipe 47 can be constrained in advance, the waste gas discharge and feed main pipe 47 is arranged on the workshop ceiling 0 and can be in butt joint with a butt joint pipeline extending out of the waste gas discharge cache tank 45, and the butt joint mode is flange butt joint; the exhaust buffer tank 45 is provided with a silencer on the butt joint pipeline, so that noise generated when exhaust gas is removed can be eliminated.
The specific working flow is as follows: when the battery tray after the liquid injection is carried by the stacker and comes near the standing station 1, the bell jar assembly 11 in the standing station 1 slowly and upwards lifts along the guide of the guide shaft assembly 13 under the action of the lifting cylinder assembly 12, the battery tray is carried into the bell jar assembly 11, the bell jar assembly 11 descends under the action of the lifting cylinder assembly 12 again, after the bell jar assembly 11 is locked, the vacuum pumping of the standing station 1 is started under the action of the vacuum pipeline system 2, at the moment, the vacuum branch pipe manual valve 22 and the vacuum branch pipe pneumatic check valve 23 are opened (the nitrogen branch pipe manual valve 32 and the exhaust gas branch pipe manual valve 42 are synchronously in an opened state), the nitrogen branch pipe pneumatic check valve 33 and the exhaust gas branch pipe pneumatic check valve 43 are closed, and after the vacuum of the standing station 1 is pumped to a set pressure value, the vacuum branch pipe pneumatic check valve 23 is closed, and the standing station 1 starts to keep vacuum; after the standing station 1 is kept in vacuum for a period of time, the nitrogen branch pipe pneumatic check valve 33 is opened, nitrogen starts to be added into the standing station 1, the inside of the standing station 1 starts to return to normal pressure from negative pressure, when the pressure returns to normal pressure, the nitrogen branch pipe pneumatic check valve 33 is closed, after the standing station 1 is kept in normal pressure for a period of time, the nitrogen branch pipe pneumatic check valve 33 is opened again, the pressure in the standing station 1 continues to rise, after the pressure rises to a certain value, the nitrogen branch pipe pneumatic check valve 33 is closed again, and the inside of the standing station 1 starts to keep high pressure; after the standing station 1 is kept at high pressure for a period of time, the pneumatic check valve 43 of the exhaust branch pipe is opened, when the internal pressure of the standing station 1 is reduced to normal pressure, the pneumatic check valve 43 of the exhaust branch pipe is closed again, and the pneumatic check valve 23 of the vacuum branch pipe is opened again to perform a new cycle of vacuumizing, vacuum keeping, vacuum breaking, normal pressure, nitrogen adding, high pressure keeping, exhaust gas discharging, normal pressure and vacuumizing; after the circulation of several rounds is completed, the batteries placed in the battery trays are placed still, the bell jar assembly 11 in the standing station 1 is slowly lifted upwards under the action of the lifting cylinder assembly 12 along the guide of the guide shaft assembly 13, and the battery trays are conveyed out of the bell jar assembly 11.
The utility model relates to a gas pipeline system of a liquid injection standing station. Comprises a standing station, a vacuum pipeline system, a nitrogen pipeline system and a waste gas exhaust pipeline system; the full-automatic circulation of the steps of vacuum, high pressure, exhaust gas and the like in the standing process of the liquid injection standing station is comprehensively realized by the example of the utility model; the vacuum pipeline system and the nitrogen pipeline system are provided with the vacuum buffer tank and the nitrogen buffer tank, so that the consistency of the pressure of the standing station when the vacuum and the nitrogen are used is ensured, the consistency of the technological parameters of the battery in the liquid injection standing process is ensured, and the quality of the battery after standing is controlled; according to the utility model, the pneumatic check valves are additionally arranged on the vacuum and nitrogen pipeline branch pipes of each standing station, so that the phenomenon of gas backflow in the process of vacuumizing/adding nitrogen in each standing station can be prevented; according to the utility model, the vacuum and nitrogen pipeline branch pipes of each standing station are simultaneously provided with the manual valves, so that the gas flow rate of each branch pipe can be manually controlled, and the situation that the appearance of the battery is influenced due to pressure mutation in the standing process of the battery is ensured.
Any particular values in all examples shown and described herein are to be construed as merely illustrative and not a limitation, and thus other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In addition, in the description of embodiments of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood by those skilled in the art in specific cases.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, each functional unit in the embodiment of the present utility model may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
Finally, it should be noted that: the above examples are only specific embodiments of the present utility model for illustrating the technical solution of the present utility model, but not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the foregoing examples, it will be understood by those skilled in the art that the present utility model is not limited thereto: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (7)
1. A gas line system for a liquid injection rest station, comprising: at least one standing station, a vacuum pipeline system, a nitrogen pipeline system and a waste gas exhaust pipeline system;
A standing station for providing a sealed standing space for the priming cell, wherein a bell jar component is arranged in the standing station, the bell jar assembly comprises an upper part of the separable bell jar assembly and a lower part of the bell jar assembly, and is used for realizing the sealing of the battery and the in-out of the battery;
The vacuum pipeline system is used for vacuumizing the standing station when the priming cell stands;
The nitrogen pipeline system is used for charging nitrogen into the standing station and increasing the pressure when the liquid injection battery stands still;
An exhaust gas piping system; exhaust gas is discharged to a standing station when the priming cell stands;
the lower part of the bell jar component is respectively connected with a vacuum pipeline system, a nitrogen pipeline system and a waste gas exhaust pipeline system.
2. The liquid injection rest station gas piping system according to claim 1, characterized in that said vacuum piping system comprises: the device comprises a vacuum main pipe, a vacuum cache tank and a vacuum feeding main pipe, wherein the vacuum main pipe is connected with an outlet of the vacuum cache tank, the vacuum feeding main pipe is connected with an inlet of the vacuum cache tank, and the vacuum cache tank is used for caching a vacuum source; the nitrogen piping system comprises: the nitrogen gas main pipe is connected with an outlet of the nitrogen gas cache tank, the nitrogen gas main pipe is connected with an inlet of the nitrogen gas cache tank, and the nitrogen gas cache tank is used for caching nitrogen gas.
3. The liquid injection rest station gas piping system according to claim 2, characterized in that said vacuum piping system further comprises: the vacuum branch pipe manual valve is arranged on the vacuum branch pipe of the standing station and is used for manually controlling the gas flow rate in the vacuum branch pipe of the standing station; the standing station vacuum branch pipe is connected between the lower part of the bell jar assembly and the vacuum main pipe;
The nitrogen piping system further comprises: the nitrogen branch pipe manual valve is arranged on the nitrogen branch pipe of the standing station and used for manually controlling the gas flow rate of the nitrogen branch pipe of the standing station, and the nitrogen branch pipe of the standing station is connected between the lower part of the bell jar assembly and the nitrogen main pipe.
4. A gas pipeline system of a liquid injection standing station according to claim 3, wherein the lower part of the bell jar component is respectively connected with a vacuum pipeline system, a nitrogen pipeline system and a waste gas discharge pipeline system, specifically: the lower part of the bell jar component is provided with a gas pipeline interface which is respectively connected with a standing station vacuum branch pipe, a standing station nitrogen branch pipe and a standing station exhaust branch pipe of an exhaust pipeline system.
5. The liquid injection rest station gas line system of claim 4, further comprising: the vacuum branch pipe pneumatic check valve is arranged on a standing station vacuum branch pipe which is connected with the vacuum branch pipe manual valve and the vacuum buffer tank and is used for opening and closing vacuumizing of the standing station;
The nitrogen piping system further comprises: the nitrogen branch pipe pneumatic check valve is arranged on the standing station nitrogen branch pipe which is connected with the nitrogen branch pipe manual valve and the nitrogen cache tank and is used for opening and closing nitrogen filling in the standing station.
6. The gas pipeline system of the liquid injection standing station according to claim 5, wherein a nitrogen filter is arranged on a connecting pipeline of the nitrogen buffer tank and the nitrogen incoming material main pipe and is used for filtering out impurities in incoming material nitrogen.
7. The gas pipeline system of the liquid filling and standing station according to claim 6, wherein a safety relief valve is additionally arranged at the bottom of the nitrogen buffer tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322578224.8U CN220895803U (en) | 2023-09-21 | 2023-09-21 | Annotate liquid and keep stand station gas piping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322578224.8U CN220895803U (en) | 2023-09-21 | 2023-09-21 | Annotate liquid and keep stand station gas piping system |
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| CN220895803U true CN220895803U (en) | 2024-05-03 |
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|---|---|---|---|
| CN202322578224.8U Active CN220895803U (en) | 2023-09-21 | 2023-09-21 | Annotate liquid and keep stand station gas piping system |
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| Country | Link |
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| CN (1) | CN220895803U (en) |
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- 2023-09-21 CN CN202322578224.8U patent/CN220895803U/en active Active
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