CN211718477U - Double-deck high low temperature lithium cell integrative test box that charges and discharges - Google Patents
Double-deck high low temperature lithium cell integrative test box that charges and discharges Download PDFInfo
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- CN211718477U CN211718477U CN201922392943.4U CN201922392943U CN211718477U CN 211718477 U CN211718477 U CN 211718477U CN 201922392943 U CN201922392943 U CN 201922392943U CN 211718477 U CN211718477 U CN 211718477U
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- 238000012360 testing method Methods 0.000 title claims abstract description 142
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 29
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 230000017525 heat dissipation Effects 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 238000005057 refrigeration Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 230000009102 absorption Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000011076 safety test Methods 0.000 abstract description 3
- 238000001612 separation test Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The invention discloses a double-layer high-low temperature lithium battery charging and discharging integrated test box, which is characterized in that a signal acquisition and comprehensive analysis PLC system is used for carrying out an electrical control test box for carrying out a test, test areas of an upper double-layer structure and a lower double-layer structure are used for carrying out separation test operation, the test efficiency is high, air duct circulating systems which are correspondingly arranged on the upper double-layer structure and the lower double-layer structure respectively are used for keeping the internal temperature constant in a circulating manner, a refrigerating system and a heating system jointly realize the constant temperature in the test areas, and the operation and the control are convenient; in addition, a fire extinguishing system, a pressure relief explosion-proof opening and a safety door are further arranged on the test box to perform explosion-proof chain locking for safety protection. By adopting the technical scheme, the safety test performance of the test box is improved, and the test box is lower in price, low in maintenance cost and time cost, small in size, small in occupied space and convenient to use in common experiment places compared with a high-end battery charging and discharging test system.
Description
Technical Field
The invention relates to the technical field of lithium battery charging and discharging tests, in particular to a double-layer high-low temperature lithium battery charging and discharging integrated test box.
Background
In the process of charging and discharging tests of the existing lithium battery, performance parameters of a retired battery need to be mastered, under the condition of lacking of detailed use data records, the most direct method is to implement a plurality of cyclic charging and discharging tests, a large number of lithium batteries cyclically implement charging and discharging tests, large charging and discharging power is needed, the test equipment box needs a strict safety requirement, the existing test box causes the problems that the validity verification of the charging and discharging tests of the lithium batteries is inconvenient, the test development efficiency is not high, the research time investment is large, and the like, and the problems can cause huge economic investment, so that a double-layer high-low temperature lithium battery charging and discharging integrated test box is designed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a double-layer high-low temperature lithium battery charging and discharging integrated test box, and improving the test efficiency.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a double-deck high low temperature lithium cell integrative test box of charging and discharging, includes test box, signal acquisition comprehensive analysis PLC system, refrigerating system, heating system, air duct circulation system, the test box front side is provided with bilayer structure's test area from top to bottom, is equipped with a plurality of sample layer framves in bilayer structure's test area from top to bottom respectively, connect air duct circulation system in the test area, air duct circulation system is respectively through the constancy of temperature regulation in refrigerating system, the heating system control test area, the evaporator that refrigerating system includes is corresponding to be set up on the right side wall of test area, the evaporator is connected with upper condenser, the lower floor condenser that test box back wall mounting set up respectively, the corresponding setting of heater strip that heating system includes is at the exit end of circulation wind channel, and the circulation wind channel that sets up is installed on the back side wall of test area, and fixed mounting is equipped with circulating motor on the circulation wind, the upper rear portion of test box is provided with the distribution district, the equipartition installation is equipped with a plurality of powers in the distribution district, and is a plurality of the power pass through battery power module electric connection to signal acquisition comprehensive analysis PLC system, signal acquisition comprehensive analysis PLC system respectively with refrigerating system, heating system between the looks electrical control be connected.
Preferably, still install on the test box and be equipped with fire extinguishing system, fire extinguishing system includes the fire-extinguishing water tank installation setting in the rear side of test box, the fire-extinguishing water tank passes through water pump and tube coupling to nozzle, has installed the solenoid valve on the pipeline of laying, solenoid valve and water pump electric connection gather comprehensive analysis PLC system, the nozzle is corresponding the top that sets up at upper and lower bilayer structure test area respectively.
Preferably, the bottom of the test area is connected to the fire extinguishing water tank through a drain pipe, and the drain pipe is arranged for draining water liquid accumulated at the bottom of the test area.
Preferably, the test area of the upper and lower double-layer structure is internally and correspondingly provided with a plurality of sample layer frames respectively, the sample layer frames are used for placing lithium battery pieces to be tested, the rear side of the test area of the upper and lower double-layer structure is uniformly provided with a plurality of lead holes, and the lead holes are used for penetrating out a cable to be connected to a power supply.
Preferably, the outer walls of the left side and the right side of the test box are respectively and fixedly provided with a temperature analysis module and a smoke detection module, and the temperature analysis module and the smoke detection module are respectively and electrically collected and comprehensively analyzed by a PLC system.
Preferably, the test box is correspondingly provided with a module area heat dissipation part, a power distribution area heat dissipation part and a refrigeration area heat dissipation part, the module area heat dissipation part is used for heat dissipation of the battery power supply module, the power distribution area heat dissipation part is used for heat dissipation of the power supply, and the refrigeration area heat dissipation part is used for heat absorption, evaporation and heat dissipation of the evaporator.
Preferably, the safety door with an upper layered structure and a lower layered structure is connected and installed on the test box through a hinge, and explosion-proof chains which are fixedly connected with the test box in a bolted mode are arranged on two sides of the safety door.
Preferably, the safety door is further provided with a door handle and an observation window, and the top of the observation window is provided with an illuminating lamp.
Preferably, still install on the test box and be equipped with pressure release explosion-proof mouthful, communication net gape, truckle foot cup, manometer, control panel, respectively electric connection to signal acquisition comprehensive analysis PLC system is equallyd divide to pressure release explosion-proof mouthful, communication net gape, manometer, control panel.
The beneficial effect of adopting above technical scheme is: the test box is electrically controlled to perform a test through the signal acquisition comprehensive analysis PLC system, the test areas of the upper and lower double-layer structures are subjected to separation test operation, the test efficiency is high, the air duct circulating systems correspondingly arranged on the upper and lower double-layer structures are used for keeping the internal temperature constant in a circulating manner, the temperature in the test areas is kept constant by the refrigerating system and the heating system, and the operation and the control are convenient, so that the lithium battery sample can be tested by circulating charging and discharging conveniently; still be provided with fire extinguishing system, pressure release explosion-proof mouth and emergency exit on the test box in addition and carry out explosion-proof chain locking for test box safety test performance improves, and this test box compares high-end battery charge-discharge test system, and low price is economic, and maintenance cost time cost is also low, small, do not account for the place, general experiment place homoenergetic facilitates the use.
Drawings
FIG. 1 is a schematic top cross-sectional view of a test chamber of the present invention;
FIG. 2 is a top view of the test chamber of the present invention;
FIG. 3 is a schematic front cross-sectional view of a test chamber of the present invention;
FIG. 4 is a front view of the test chamber of the present invention;
FIG. 5 is a rear view of the test chamber of the present invention;
FIG. 6 is a schematic left side cross-sectional view of a test chamber of the present invention;
FIG. 7 is a schematic right side sectional view of a test chamber of the present invention;
fig. 8 is a schematic diagram of the system of the present invention.
100, a test box; 200. a signal acquisition comprehensive analysis PLC system; 300. a fire suppression system, 310, a solenoid valve; 400. a refrigeration system; 500. a heating system 510, a heating wire; 600. an air duct circulating system; 1. a safety door; 2. a pressure relief explosion-proof port; 3. a test zone; 4. an evaporator; 5. a circulating motor; 6. a power distribution area; 7. a nozzle; 8. an observation window; 9. a temperature analysis module; 10. a drain pipe; 11-module area heat dissipation; 12-heat dissipation of the power distribution area; 13-heat dissipation in a refrigeration area; 14-upper condenser; 15-communication network port; 16-lower layer condenser; 17-a battery power module; 18 a lead hole; 19-a circulating air duct; 20-a door handle; 21-sample layer shelf; 22-a smoke detection module; 23-a power supply; 24-a fire extinguishing water tank; 25-castor foot cup; 26-an illuminating lamp; 27-a hinge; 28-explosion-proof chain; 29-pressure gauge; 30-control panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-8, the embodiments of the present invention: the utility model provides an integrative test box of double-deck high low temperature lithium cell charge-discharge, includes test box 100, signal acquisition comprehensive analysis PLC system 200, refrigerating system 400, heating system 500, wind channel circulation system 600, test box 100 front side is provided with bilayer structure's test area 3 from top to bottom, is equipped with a plurality of sample layer frame 21 in bilayer structure's test area 3 from top to bottom respectively, connect wind channel circulation system 600 in test area 3, wind channel circulation system 600 is respectively through the constancy of temperature regulation in refrigerating system 400, the heating system 500 control test area 3, evaporator 4 that refrigerating system 400 includes is corresponding to be set up on the right side wall of test area 3, evaporator 4 is connected with upper condenser 14, the lower floor condenser 16 of test box 100 back wall mounting setting respectively, the corresponding exit end that sets up at circulation wind channel 19 of heater strip 510 that heating system 500 includes, the circulation wind channel 19 that sets up is installed on the rear side wall of test district 3, and the fixed mounting is equipped with circulating motor 5 on the circulation wind channel 19 that sets up, the upper rear portion of test box 100 is provided with distribution district 6, the equipartition installation is equipped with a plurality of power 23 in the distribution district 6, and is a plurality of power 23 pass through battery power module 17 electric connection to signal acquisition comprehensive analysis PLC system 200, signal acquisition comprehensive analysis PLC system 200 respectively with refrigerating system 400, heating system 500 between the looks electrical control be connected.
Still install on the test box 100 and be equipped with fire extinguishing system 300, fire extinguishing system 300 includes fire extinguishing water tank 24 installs the setting in the rear side of test box 100, fire extinguishing water tank 24 passes through water pump and pipe connection to nozzle 7, installs on the pipeline of laying and is equipped with solenoid valve 310, solenoid valve 310 and water pump electric connection gather comprehensive analysis PLC system 200, nozzle 7 corresponds the top that sets up at upper and lower bilayer structure test district 3 respectively, the bottom of test district 3 is connected to fire extinguishing water tank 24 through drain pipe 10, and the drain pipe 10 that sets up is used for discharging the water liquid of gathering in test district 3 bottoms, and the fire extinguishing system 300 that sets up should be used conveniently, avoids the conflagration condition to take place among the test process.
The test area 3 of upper and lower bilayer structure in respectively corresponding be provided with a plurality of sample layer frame 21, the sample layer frame 21 that sets up is used for placing the lithium cell spare that awaits measuring, upper and lower bilayer structure the rear side equipartition of test area 3 seted up a plurality of pin holes 18, pin hole 18 that sets up is used for wearing out the cable and is connected to power 23.
The outer wall of the left side and the right side of the test box 100 are respectively and fixedly provided with a temperature analysis module 9 and a smoke detection module 22, the temperature analysis module 9 and the smoke detection module 22 are respectively and electrically collected and comprehensively analyzed by the PLC system 200, the temperature analysis module 9 is used for detecting test temperature parameters in the test area 3, and the smoke detection module 22 is used for detecting smoke alarm and timely carrying out fire extinguishing dangerous case treatment.
The test box 100 is further correspondingly provided with a module area heat dissipation 11, a power distribution area heat dissipation 12 and a refrigeration area heat dissipation 13, the module area heat dissipation 11 is used for heat dissipation of the battery power module 17, the power distribution area heat dissipation 12 is used for heat dissipation of the power supply 23, the refrigeration area heat dissipation 13 is used for heat absorption, evaporation and heat dissipation of the evaporator 4, and the test box is convenient to install and set and has a good heat dissipation effect.
The safety door 1 with an upper layered structure and a lower layered structure is connected and installed on the test box 100 through hinges 27, explosion-proof chains 28 which are fixedly connected with the test box 100 in a bolted mode are arranged on two sides of the safety door 1, the additionally arranged explosion-proof chains 28 play a safety protection role, a door handle 20 and an observation window 8 are further installed on the safety door 1, a lighting lamp 26 is arranged at the top of the observation window 8, and the observation window 8 is convenient for visually seeing test conditions in the test area 3.
Still install on the test box 100 and be equipped with pressure release explosion-proof mouthful 2, communication net gape 15, truckle foot cup 25, manometer 29, control panel 30, other electric connection to signal acquisition comprehensive analysis PLC system 200 is equallyd divide to pressure release explosion-proof mouthful 2, communication net gape 15, manometer 29, control panel 30, is convenient for detect the pressure numerical value in the test area 3 through manometer 29, is convenient for carry out the pressure release through pressure release explosion-proof mouthful 2 when pressure is too high and handles, the communication net gape 15 electric property wiring of being convenient for of setting.
A test method of a double-layer high-low temperature lithium battery charging and discharging integrated test box comprises the steps of placing a test lithium battery sample on a sample layer frame 21 in a test area 3, enabling the positive electrode and the negative electrode of the lithium battery sample to penetrate out through a lead hole 18 through a cable and be connected to a power supply 23, closing a safety door 1 after wiring is completed, bolting and fixing an explosion-proof chain 28, carrying out parameter setting through a control panel 30 electrically controlled by a signal acquisition comprehensive analysis PLC system 200, and electrically controlling to start a circulating motor 5, a heating wire 510, an evaporator 4, an upper layer condenser 14 and a lower layer condenser 16, so that an air duct circulating system 600 formed by a refrigerating system 400 and a heating system 500 carries out high-low pressure control on air flow conveyed into the test area 3, and when the temperature of the test area is constant to a test temperature, the placed lithium battery sample can.
By adopting the technical scheme, the electrical control test box is used for carrying out test tests through the signal acquisition comprehensive analysis PLC system, the test areas of the upper and lower double-layer structures are used for carrying out separation test operation, the test efficiency is high, the air duct circulating systems correspondingly arranged on the upper and lower double-layer structures are respectively used for keeping the internal temperature constant in a circulating manner, the temperature in the test areas is kept constant by the refrigerating system and the heating system, and the operation and control are convenient, so that the lithium battery sample can be tested by circulating charging and discharging conveniently; still be provided with fire extinguishing system, pressure release explosion-proof mouth and emergency exit on the test box in addition and carry out explosion-proof chain locking for test box safety test performance improves, and this test box compares high-end battery charge-discharge test system, and low price is economic, and maintenance cost time cost is also low, small, do not account for the place, general experiment place homoenergetic facilitates the use.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (9)
1. The utility model provides a double-deck high low temperature lithium cell integrative test box of charge-discharge, includes test box (100), signal acquisition comprehensive analysis PLC system (200), refrigerating system (400), heating system (500), wind channel circulation system (600), a serial communication port, test box (100) front side is provided with bilayer structure's test area (3) from top to bottom, is equipped with a plurality of sample layer frame (21) in bilayer structure's test area (3) from top to bottom respectively, connect wind channel circulation system (600) in test area (3), wind channel circulation system (600) are respectively through refrigerating system (400), the constancy of temperature regulation in heating system (500) control test area (3), evaporimeter (4) that refrigerating system (400) included set up on the right side wall in test area (3) correspondingly, evaporimeter (4) respectively with upper condenser (14) that test box (100) rear wall mounting set up, Lower floor's condenser (16) is connected, corresponding setting in the exit end of circulation wind channel (19) of heater strip (510) that heating system (500) included, the circulation wind channel (19) that set up are installed on the back lateral wall of test district (3), and fixed mounting is equipped with circulating motor (5) on the circulation wind channel (19) that set up, the upper rear portion of test box (100) is provided with distribution area (6), the equipartition installation is equipped with a plurality of power (23) in distribution area (6), and is a plurality of power (23) through battery power module (17) electric connection to signal acquisition comprehensive analysis PLC system (200), signal acquisition comprehensive analysis PLC system (200) respectively with refrigerating system (400), heating system (500) between the looks electric control connection.
2. The charging and discharging integrated test box for the double-layer high and low temperature lithium battery as claimed in claim 1, wherein a fire extinguishing system (300) is further installed on the test box (100), a fire extinguishing water tank (24) included in the fire extinguishing system (300) is installed on the rear side of the test box (100), the fire extinguishing water tank (24) is connected to the nozzles (7) through a water pump and a pipeline, the arranged pipeline is provided with an electromagnetic valve (310), the electromagnetic valve (310) and the water pump are electrically connected with a signal acquisition comprehensive analysis PLC system (200), and the nozzles (7) are respectively and correspondingly arranged at the top ends of the upper and lower double-layer structure test areas (3).
3. The charging and discharging integrated test box for the double-layer high and low temperature lithium battery as claimed in claim 1 or 2, wherein the bottom of the test area (3) is connected to the fire extinguishing water tank (24) through a drain pipe (10), and the drain pipe (10) is arranged for draining water liquid accumulated at the bottom of the test area (3).
4. The double-layer high and low temperature lithium battery charging and discharging integrated test box according to claim 1 is characterized in that a plurality of sample layer frames (21) are correspondingly arranged in the test area (3) of the upper and lower double-layer structure respectively, the sample layer frames (21) are used for placing lithium battery pieces to be tested, a plurality of lead holes (18) are uniformly distributed on the rear side of the test area (3) of the upper and lower double-layer structure, and the lead holes (18) are used for penetrating through a cable to be connected to a power supply (23).
5. The double-layer high-low temperature lithium battery charging and discharging integrated test box according to claim 1, wherein a temperature analysis module (9) and a smoke detection module (22) are respectively and fixedly installed on the outer walls of the left side and the right side of the test box (100), and the temperature analysis module (9) and the smoke detection module (22) are respectively used for collecting and comprehensively analyzing an electrical signal of the PLC system (200).
6. The charging and discharging integrated test box for the double-layer high and low temperature lithium battery as claimed in claim 1, wherein a module area heat dissipation (11), a power distribution area heat dissipation (12) and a refrigeration area heat dissipation (13) are correspondingly installed on the test box (100), the module area heat dissipation (11) is used for heat dissipation of the battery power module (17), the power distribution area heat dissipation (12) is used for heat dissipation of the power supply (23), and the refrigeration area heat dissipation (13) is used for heat absorption, evaporation and heat dissipation of the evaporator (4).
7. The integrated test box for charging and discharging of the double-layer high and low temperature lithium battery according to claim 1, characterized in that the test box (100) is provided with the safety door (1) with an upper and a lower layered structure in a linked manner through a hinge (27), and explosion-proof chains (28) which are fixedly bolted with the test box (100) are arranged on two sides of the safety door (1).
8. The double-layer high and low temperature lithium battery charging and discharging integrated test box according to claim 7, wherein a door handle (20) and an observation window (8) are further installed on the safety door (1), and an illuminating lamp (26) is arranged on the top of the observation window (8).
9. The integrated test box of claim 1, wherein the test box (100) is further provided with a pressure relief explosion-proof port (2), a communication network port (15), a caster foot cup (25), a pressure gauge (29) and a control panel (30), and the pressure relief explosion-proof port (2), the communication network port (15), the pressure gauge (29) and the control panel (30) are electrically connected to the signal acquisition comprehensive analysis PLC system (200).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922392943.4U CN211718477U (en) | 2019-12-27 | 2019-12-27 | Double-deck high low temperature lithium cell integrative test box that charges and discharges |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922392943.4U CN211718477U (en) | 2019-12-27 | 2019-12-27 | Double-deck high low temperature lithium cell integrative test box that charges and discharges |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025165A (en) * | 2019-12-27 | 2020-04-17 | 广东三木科技有限公司 | Double-layer high-low temperature lithium battery charging and discharging integrated test box and test method thereof |
| CN116338264A (en) * | 2023-05-06 | 2023-06-27 | 苏州光宝科技股份有限公司 | Explosion-proof case of battery test |
-
2019
- 2019-12-27 CN CN201922392943.4U patent/CN211718477U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025165A (en) * | 2019-12-27 | 2020-04-17 | 广东三木科技有限公司 | Double-layer high-low temperature lithium battery charging and discharging integrated test box and test method thereof |
| CN111025165B (en) * | 2019-12-27 | 2024-08-20 | 广东三木科技有限公司 | Double-layer high-low temperature lithium battery charge-discharge integrated test box and test method thereof |
| CN116338264A (en) * | 2023-05-06 | 2023-06-27 | 苏州光宝科技股份有限公司 | Explosion-proof case of battery test |
| CN116338264B (en) * | 2023-05-06 | 2024-01-19 | 苏州光宝科技股份有限公司 | Explosion-proof case of battery test |
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