CN110244793A - A kind of the environment temperature control system and control method of battery core test - Google Patents
A kind of the environment temperature control system and control method of battery core test Download PDFInfo
- Publication number
- CN110244793A CN110244793A CN201910462625.2A CN201910462625A CN110244793A CN 110244793 A CN110244793 A CN 110244793A CN 201910462625 A CN201910462625 A CN 201910462625A CN 110244793 A CN110244793 A CN 110244793A
- Authority
- CN
- China
- Prior art keywords
- battery core
- test
- testing area
- temperature
- hermetical testing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
- G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
- G05D23/1931—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of one space
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The invention belongs to battery technology fields, more particularly to a kind of environment temperature control system of battery core test, including at least one first hermetical testing area and at least one second hermetical testing area, first hermetical testing area is provided with the first temperature-adjusting device and at least one battery core test equipment, second hermetical testing area is provided with second temperature regulating device and at least one battery core, and the battery core test equipment is electrically connected by p-wire with the battery core.This test mode can accurately control test environment temperature and testing cost is low；And Environmentally-frielow-energy-consumptipolycarboxylic low-energy-consumptipolycarboxylic, the system structure is simple, and test temperature is easily-controllable, the operation is stable, high-efficient.In addition, a kind of control method of system is additionally provided, to improve the stability and efficiency of its work.
Description
Technical field
The invention belongs to battery technology fields, and in particular to a kind of the environment temperature control system and controlling party of battery core test
Method.
Background technique
It needs to be monitored the cycle life of battery core in lithium electricity industry, be followed for simulating battery core in actual use
The attenuation in ring service life, this decaying is in addition to battery core itself and other than test equipment has relationship, the test environment of cycle life
Temperature can have a great impact to its test result.
It, in the prior art can there are as below methods in order to control environment temperature: one, airconditioning control ring is used in test zone
Border temperature；Two, using can preset temperature test box control environment temperature.Method one was being run due to cycle life test equipment
Cheng Zhonghui generates a large amount of heat, other than reducing the temperature control precision of battery core cycle life test, can also increase in large quantities
The load of air-conditioning, to increase a large amount of cost；Although loop test equipment is separated with battery core in method two, shadow is avoided
Ring, but can preset temperature test box it is at high cost, and take up a large area, unit area utilization rate is low.
In summary, the relevant technologies existing defects, it would be highly desirable to perfect.
Summary of the invention
It is an object of the present invention to: in view of the deficiencies of the prior art, and provide a kind of environment temperature of battery core test
Loop test equipment is separated with battery core test on the basis of constant-temperature house, is placed in the unit area more by control system
Battery core loop test equipment is not necessarily to controllable temperature test box, can also accurately control test environment temperature, and do not waste extra energy
Consumption realizes environmentally friendly operation.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of environment temperature control system of battery core test, including at least one first hermetical testing area and at least one is second close
Test section is closed, first hermetical testing area is provided with the first temperature-adjusting device and at least one battery core test equipment, described
Second hermetical testing area is provided with second temperature regulating device and at least one battery core, and the battery core test equipment passes through p-wire
It is electrically connected with the battery core.In practical applications, the first hermetical testing area, the second hermetical testing area are made of wall, it can
Understanding is that two rooms are separated by a face wall；At work, building ring of first temperature-adjusting device to battery core test equipment
Border temperature is regulated and controled, and second temperature regulating device regulates and controls the operating ambient temperature of battery core, is avoided battery core test and is set
The influence that the standby heat generated during the work time works to battery core, this test mode can accurately control test environment temperature
And testing cost is low；And Environmentally-frielow-energy-consumptipolycarboxylic low-energy-consumptipolycarboxylic, the system structure is simple, and test temperature is easily-controllable, the operation is stable, high-efficient.
A kind of improvement of environment temperature control system as battery core of the present invention test, first hermetical testing
The temperature in area is higher than the temperature in second hermetical testing area.This design can be improved testing efficiency, at the same reduce test at
This.
A kind of improvement of environment temperature control system as battery core of the present invention test, first hermetical testing
The temperature in area is controlled at 26 ~ 29 DEG C；The temperature in second hermetical testing area is controlled at 21 ~ 25 DEG C.In practical applications, this Shen
Please the second hermetical testing area when testing battery core, the electricity charge of second temperature regulating device can reduce 1.87 yuan/day/platform,
The first temperature-adjusting device can save 10% electricity consumption in one hermetical testing area, and energy-saving effect is significant.
A kind of improvement of environment temperature control system as battery core of the present invention test, first hermetical testing
It is arranged between area and second hermetical testing area by divider wall interval, the divider wall is provided at least one for the survey
The through-hole that examination line passes through.This design ensure that being electrically connected between battery core test equipment and battery core, meanwhile, in turn avoid first
Environment temperature influences each other between hermetical testing area and the second hermetical testing area.
A kind of improvement of environment temperature control system as battery core of the present invention test, the battery core test equipment
It is connected by the p-wire with the battery core, forms at least one test cell.One test cell carries out a battery core
Test, so that the result of test more has convincingness；In practical applications, ± 1 DEG C of test environment is equally being accurately controlled
In the case where temperature, in 100 ㎡ region areas, 16 controllable temperature test boxs are at most placed under normal circumstances, can at most be matched
1280 TCH test channel points are set, and this programme can configure 3200 TCH test channel points in same region, region utilization rate is significant
Increase.
A kind of improvement of environment temperature control system as battery core of the present invention test, first hermetical testing
Area is disposed adjacent with second hermetical testing area, forms at least one test group.It include two independences in a test group
Cavity, and the temperature independent control in cavity improves stable testing so as to avoid interfering with each other during the test
Property and efficiency.
A kind of improvement of environment temperature control system as battery core of the present invention test, the battery core test equipment
For grading system, resistance meter or capacitor and inductor tester.In practical applications, it can be flexibly set according to testing requirement
Battery core test equipment；Preferred grading system carries out cycle life test to battery core in this application.
A kind of improvement of environment temperature control system as battery core of the present invention test, first temperature are adjusted
Device and second temperature regulating device are air-conditioning.Air-conditioning is good and competitively priced to the regulating effect of temperature, can reduce into
This, in addition to this, the first temperature-adjusting device, second temperature regulating device, which can also be other, can reach setting for same effect
It is standby, it can flexibly set according to the actual situation.
A kind of improvement of environment temperature control system as battery core of the present invention test, second hermetical testing
Area is additionally provided at least one for placing the pallet of the battery core.Pallet is for holding battery core, to increase battery core work
Stability.
A kind of improvement of environment temperature control system as battery core of the present invention test, the pallet are fixedly arranged on institute
State the side wall in the second hermetical testing area.In practical applications, pallet is intercalated in or is welded in the inner wall in the second hermetical testing area；When
When first hermetical testing area, the second hermetical testing area are made of wall, groove is opened up on wall, pallet is intercalated in wall
It is fixed；When the first hermetical testing area, the second hermetical testing area are made of metal material, metal tray is passed through into welding
Mode is fixed；This structure design is conducive to hold battery core, while save the cost.
The second object of the present invention is: in view of the deficiencies of the prior art, also providing a kind of environment temperature of battery core test
The control method of control system, to improve the stability and efficiency of its work.
To achieve the above object, a kind of control method for the environment temperature control system tested the present invention provides battery core,
Include the following steps:
S1, at least one first hermetical testing area and at least one second hermetical testing area are provided；
S2, the first hermetical testing area place at least one battery core test equipment, and it is to be measured that at least one is placed by the second hermetical testing area
Try battery core；
S3, the temperature in the first closed section is set as the first preset temperature, it is pre- that the temperature in the second hermetical testing area is set as second
If temperature；
S4, the battery core that the second hermetical testing area is tested using the battery core test equipment in the first closed section.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram in the present invention；
Fig. 2 is the enlarged drawing in the area Tu1Zhong A；
Wherein: the first hermetical testing of 1- area；The second hermetical testing of 2- area；3- battery core test equipment；4- p-wire；The first temperature of 5-
Regulating device；6- second temperature regulating device；7- battery core；8- divider wall；8'- through-hole；9- pallet.
Specific embodiment
As used some vocabulary to censure specific components in the specification and claims.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is as the mode for distinguishing component, but with the difference of component functionally as the criterion of differentiation.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer within an acceptable error range, those skilled in the art can within a certain error range solve described in
Technical problem basically reaches the technical effect.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", " water
It is flat " etc. the orientation or positional relationships of instructions be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of describing this hair
Bright and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
Below in conjunction with attached drawing, invention is further described in detail, but not as a limitation of the invention.
Embodiment 1
As shown in Figs. 1-2, a kind of environment temperature control system of battery core test, including at least one 1 He of the first hermetical testing area
At least one second hermetical testing area 2, the first hermetical testing area 1 are provided with the first temperature-adjusting device 5 and at least one battery core
Test equipment 3, the second hermetical testing area 2 are provided with second temperature regulating device 6 and at least one battery core 7, battery core test equipment 3
It is electrically connected by p-wire 4 with battery core 7.In practical applications, the first hermetical testing area 1, the second hermetical testing area 2 are by wall group
At, it can understanding is that two rooms are separated by a face wall；At work, the first temperature-adjusting device 5 sets battery core test
Standby 3 operating ambient temperature is regulated and controled, and second temperature regulating device 6 regulates and controls the operating ambient temperature of battery core 7, avoids
The influence that the heat that battery core test equipment 3 generates during the work time works to battery core 7, this test mode can be controlled accurately
System tests environment temperature and testing cost is low；And Environmentally-frielow-energy-consumptipolycarboxylic low-energy-consumptipolycarboxylic, the system structure is simple, and test temperature is easily-controllable, the operation is stable,
It is high-efficient.
Preferably, the temperature in the first hermetical testing area 1 is higher than the temperature in the second hermetical testing area 2.This design can mention
High testing efficiency, while reducing testing cost.
Preferably, the temperature in the first hermetical testing area 1 is controlled at 26 ~ 29 DEG C；The temperature control in the second hermetical testing area 2 exists
21~25℃.In practical applications, when the second hermetical testing of the application area 2 tests battery core 7, second temperature regulating device 6
The electricity charge can reduce 1.87 yuan/day/platform, first temperature-adjusting device 5 can save 10% electricity consumption in the first hermetical testing area 1, section
It can significant effect.
Preferably, pass through the setting of the interval of divider wall 8, divider wall between the first hermetical testing area 1 and the second hermetical testing area 2
8 are provided at least one through-hole 8' passed through for p-wire 4.This design ensure that between battery core test equipment 3 and battery core 7
Electrical connection, meanwhile, in turn avoid influencing each other for environment temperature between the first hermetical testing area 1 and the second hermetical testing area 2.
Preferably, battery core test equipment 3 is connected by p-wire 4 with battery core 7, forms at least one test cell.One
Test cell tests a battery core 7, so that the result of test more has convincingness；In practical applications, same
In the case where accurately controlling ± 1 DEG C of test environment temperature, in 100 ㎡ region areas, 16 are at most placed under normal circumstances
Controllable temperature test box at most can configure 1280 TCH test channel points, and this programme can configure 3200 surveys in same region
Access points are tried, region utilization rate dramatically increases.
Preferably, the first hermetical testing area 1 is disposed adjacent with the second hermetical testing area 2, forms at least one test group.?
It include two independent cavities, and the temperature independent control in cavity, so as to avoid during the test in one test group
Interfere with each other, improve measuring stability and efficiency.
Preferably, battery core test equipment 3 is grading system, resistance meter or capacitor and inductor tester.In practical applications,
Battery core test equipment 3 can be flexibly set according to testing requirement；Preferred grading system recycles battery core 7 in this application
Life test.
Preferably, the first temperature-adjusting device 5 and second temperature regulating device 6 are air-conditioning.Regulation of the air-conditioning to temperature
Effect is good, and competitively priced, can reduce cost, and in addition to this, the first temperature-adjusting device 5, second temperature regulating device 6 are also
It can be other equipment that can reach same effect, can flexibly set according to the actual situation.
Preferably, the second hermetical testing area 2 is additionally provided at least one for placing the pallet 9 of battery core 7.Pallet 9 is used for
Battery core 7 is held, to increase the stability of the work of battery core 7.
Preferably, pallet 9 is fixedly arranged on the side wall in the second hermetical testing area 2.In practical applications, pallet 9 is intercalated in or welds
It is connected to the inner wall in the second hermetical testing area 2；When the first hermetical testing area 1, the second hermetical testing area 2 are made of wall, in wall
Groove 8'' is opened up on body, and pallet 9 is intercalated in wall and is fixed；When the first hermetical testing area 1, the second hermetical testing area 2
When being made of metal material, metal tray 9 is fixed by welding；This structure design is conducive to hold battery core 7, together
When save the cost.
The working principle of the invention is: at work, the work temperature in the first hermetical testing area 1, the second hermetical testing area 2
Degree is different, and the first temperature-adjusting device 5 regulates and controls the operating ambient temperature of battery core test equipment 3, and second temperature adjusts dress
The operating ambient temperature for setting 6 pairs of battery cores 7 regulates and controls, and battery core test equipment 3 is electrically connected by p-wire 4 with battery core 7, avoids
The influence that the heat that battery core test equipment 3 generates during the work time works to battery core 7, this test mode can accurately control
It tests environment temperature and testing cost is low；And Environmentally-frielow-energy-consumptipolycarboxylic low-energy-consumptipolycarboxylic, the system structure is simple, and test temperature is easily-controllable, the operation is stable, effect
Rate is high.
Embodiment 2
As shown in Figs. 1-2, a kind of control method of the environment temperature control system of 1 battery core of embodiment test, includes the following steps:
S1, at least one first hermetical testing area 1 and at least one second hermetical testing area 2 are provided, multiple test groups is set, with
Cost is reduced, testing efficiency is improved；
S2, the first hermetical testing area 1 place at least one battery core test equipment 3, and the second hermetical testing area 2 places at least one and waits for
Battery core 7 is tested, multiple test cells are set in a test group, while testing multiple battery cores 7, to improve test effect
Rate；
S3, the temperature in the first closed section 1 is set as the first preset temperature, the temperature in the second hermetical testing area 2 is set as second
Preset temperature；
S4, the battery core 7 that the second hermetical testing area 2 is tested using the battery core test equipment 3 in the first closed section 1, pass through p-wire 4
Long-range connection is realized, reduces testing cost, while improving measuring accuracy；
Wherein, in step S3, the first preset temperature is higher than the second preset temperature, it is preferred that the temperature control in the first hermetical testing area 1
System is at 26 ~ 29 DEG C；The temperature in the second hermetical testing area 2 is controlled at 21 ~ 25 DEG C.
Several preferred embodiments of the invention have shown and described in above description, but as previously described, it should be understood that the present invention
Be not limited to forms disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through within that scope of the inventive concept describe herein
It is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be in this hair
In the protection scope of bright appended claims.
Claims (10)
1. a kind of environment temperature control system of battery core test, it is characterised in that: including at least one the first hermetical testing area (1)
With at least one the second hermetical testing area (2), first hermetical testing area (1) be provided with the first temperature-adjusting device (5) and
At least one battery core test equipment (3), second hermetical testing area (2) are provided with second temperature regulating device (6) and at least
One battery core (7), the battery core test equipment (3) are electrically connected by p-wire (4) with the battery core (7).
2. the environment temperature control system of battery core test as described in claim 1, it is characterised in that: first hermetical testing
The temperature in area (1) is higher than the temperature in second hermetical testing area (2).
3. the environment temperature control system of battery core test as claimed in claim 1 or 2, it is characterised in that: described first is closed
The temperature of test section (1) is controlled at 26 ~ 29 DEG C；The temperature in second hermetical testing area (2) is controlled at 21 ~ 25 DEG C.
4. the environment temperature control system of battery core test as described in claim 1, it is characterised in that: first hermetical testing
By the setting of divider wall (8) interval between area (1) and second hermetical testing area (2), the divider wall (8) is provided at least
One through-hole passed through for the p-wire (4) is (8').
5. the environment temperature control system of battery core test as described in claim 1, it is characterised in that: the battery core test equipment
(3) it is connected by the p-wire (4) with the battery core (7), forms at least one test cell.
6. the environment temperature control system of battery core test as described in claim 1, it is characterised in that: first hermetical testing
Area (1) is disposed adjacent with second hermetical testing area (2), forms at least one test group.
7. the environment temperature control system of battery core test as described in claim 1, it is characterised in that: the battery core test equipment
It (3) is grading system, resistance meter or capacitor and inductor tester.
8. the environment temperature control system of battery core test as described in claim 1, it is characterised in that: first temperature is adjusted
Device (5) and second temperature regulating device (6) are air-conditioning.
9. the environment temperature control system of battery core test as described in claim 1, it is characterised in that: second hermetical testing
Area (2) is additionally provided at least one for placing the pallet (9) of the battery core (7).
10. a kind of environment temperature control method of battery core test, which comprises the steps of:
S1, at least one first hermetical testing area (1) and at least one second hermetical testing area (2) are provided；
S2, the first hermetical testing area (1) place at least one battery core test equipment (3), and the second hermetical testing area (2) is placed at least
One battery core (7) to be tested；
S3, the temperature of the first closed section (1) is set as the first preset temperature, the temperature in the second hermetical testing area (2) is set as
Second preset temperature；
S4, the battery core (7) that the second hermetical testing area (2) is tested using the battery core test equipment (3) of the first closed section (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910462625.2A CN110244793A (en) | 2019-05-30 | 2019-05-30 | A kind of the environment temperature control system and control method of battery core test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910462625.2A CN110244793A (en) | 2019-05-30 | 2019-05-30 | A kind of the environment temperature control system and control method of battery core test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110244793A true CN110244793A (en) | 2019-09-17 |
Family
ID=67885454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910462625.2A Pending CN110244793A (en) | 2019-05-30 | 2019-05-30 | A kind of the environment temperature control system and control method of battery core test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110244793A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596152A (en) * | 2020-05-12 | 2020-08-28 | 江苏海基新能源股份有限公司 | System for improving high-temperature testing efficiency of lithium battery |
| CN112963953A (en) * | 2021-03-23 | 2021-06-15 | 杭州职业技术学院 | Air conditioner installation and debugging simulation regulator |
| CN117599865A (en) * | 2024-01-23 | 2024-02-27 | 宁德博发正昱检测科技有限公司 | Battery cell environment test system |
| CN117599865B (en) * | 2024-01-23 | 2024-04-26 | 宁德博发正昱检测科技有限公司 | Battery cell environment test system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353575A (en) * | 2013-06-14 | 2013-10-16 | 东莞新能源科技有限公司 | Test apparatus and test method for measuring correspondence between OCV (open circuit voltage) and SOC (state of charge) |
| CN108334127A (en) * | 2018-01-31 | 2018-07-27 | 湖南威威胜新能源技术有限公司 | A kind of temprature control method for communication power supply |
| CN207895052U (en) * | 2018-03-09 | 2018-09-21 | 宁德时代新能源科技股份有限公司 | A kind of test control system |
| CN109119127A (en) * | 2018-08-30 | 2019-01-01 | 武汉精鸿电子技术有限公司 | A kind of semiconductor memory high/low temperature ageing test box |
| CN109507591A (en) * | 2018-12-05 | 2019-03-22 | 北京长城华冠汽车科技股份有限公司 | Test method, the test device of battery core |
| CN109728352A (en) * | 2018-12-27 | 2019-05-07 | 银隆新能源股份有限公司 | It is melted into producing line and method |
-
2019
- 2019-05-30 CN CN201910462625.2A patent/CN110244793A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353575A (en) * | 2013-06-14 | 2013-10-16 | 东莞新能源科技有限公司 | Test apparatus and test method for measuring correspondence between OCV (open circuit voltage) and SOC (state of charge) |
| CN108334127A (en) * | 2018-01-31 | 2018-07-27 | 湖南威威胜新能源技术有限公司 | A kind of temprature control method for communication power supply |
| CN207895052U (en) * | 2018-03-09 | 2018-09-21 | 宁德时代新能源科技股份有限公司 | A kind of test control system |
| CN109119127A (en) * | 2018-08-30 | 2019-01-01 | 武汉精鸿电子技术有限公司 | A kind of semiconductor memory high/low temperature ageing test box |
| CN109507591A (en) * | 2018-12-05 | 2019-03-22 | 北京长城华冠汽车科技股份有限公司 | Test method, the test device of battery core |
| CN109728352A (en) * | 2018-12-27 | 2019-05-07 | 银隆新能源股份有限公司 | It is melted into producing line and method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596152A (en) * | 2020-05-12 | 2020-08-28 | 江苏海基新能源股份有限公司 | System for improving high-temperature testing efficiency of lithium battery |
| CN112963953A (en) * | 2021-03-23 | 2021-06-15 | 杭州职业技术学院 | Air conditioner installation and debugging simulation regulator |
| CN112963953B (en) * | 2021-03-23 | 2022-03-18 | 杭州职业技术学院 | Air conditioner installation and debugging simulation regulator |
| CN117599865A (en) * | 2024-01-23 | 2024-02-27 | 宁德博发正昱检测科技有限公司 | Battery cell environment test system |
| CN117599865B (en) * | 2024-01-23 | 2024-04-26 | 宁德博发正昱检测科技有限公司 | Battery cell environment test system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110244793A (en) | A kind of the environment temperature control system and control method of battery core test | |
| EP3045930A1 (en) | Testing system of gis electronic mutual inductor and method therefor | |
| US7783261B2 (en) | Method for wired connection measuring the standby time of a CDMA mobile terminal | |
| CN106093777A (en) | Detection method for lithium separation of lithium ion battery | |
| CN106772068A (en) | A kind of charging and discharging lithium battery test system | |
| CN106125028A (en) | Electric-field sensor dynamic test caliberating device | |
| CN102088107B (en) | Cell die and method for rapid evaluating cell matching degree | |
| CN106257734A (en) | A kind of lithium-ion-power cell method for group matching | |
| CN110146827A (en) | A kind of distribution terminal testing and controlling system | |
| CN107677979A (en) | A kind of system and method for testing AC extra high voltage current transformer error | |
| CN106842048B (en) | The capacity check method system of elevator emergency power supply and elevator emergency power supply | |
| CN112611963A (en) | Relay accelerated storage degradation experiment parameter testing and analyzing system and testing method | |
| CN105703405A (en) | Extensible modular lithium ion battery uninterruptible power supply | |
| CN210534298U (en) | Lamp aging test frame | |
| CN109768595A (en) | A kind of series-connected cell group twin voltage mixed equilibrium control method | |
| WO2013155881A1 (en) | Flow battery testing platform | |
| CN110361403B (en) | X-ray diffraction analysis sample table with three-electrode electrochemical test function | |
| CN205157744U (en) | Quick detecting system of lithium cell self discharge | |
| CN209590241U (en) | A kind of simulated battery unit | |
| CN207675837U (en) | A kind of electric automobile charging pile detector | |
| CN207380080U (en) | A kind of visual device for testing half-cell constant temperature | |
| CN109901071A (en) | A kind of dynamic can recombinate energy-storage battery detection system | |
| CN203849403U (en) | Electric energy meter calibrating device for anechoic chamber | |
| CN211955739U (en) | Portable quick intermediate relay calibration equipment | |
| CN108001880A (en) | A kind of impregnator of anti-hydrojet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190917 |
|
| RJ01 | Rejection of invention patent application after publication |