CN213275893U - Battery short circuit test auxiliary device - Google Patents
Battery short circuit test auxiliary device Download PDFInfo
- Publication number
- CN213275893U CN213275893U CN202020801512.9U CN202020801512U CN213275893U CN 213275893 U CN213275893 U CN 213275893U CN 202020801512 U CN202020801512 U CN 202020801512U CN 213275893 U CN213275893 U CN 213275893U
- Authority
- CN
- China
- Prior art keywords
- battery
- short circuit
- circuit test
- auxiliary device
- electrode
- 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.)
- Active
Links
Images
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model provides a battery short circuit test auxiliary device, battery short circuit test auxiliary device includes: an electrode movably disposed in a preset direction to have a contact position contacting the battery and a separation position separated from the battery; the elastic piece is connected with the electrode so as to drive the electrode to move towards the separation position through the elastic piece; and the driving piece is at least partially movably arranged along the preset direction so as to drive the electrode to move towards the contact position. The utility model discloses a battery short circuit test auxiliary device has solved the inconvenient problem of battery short circuit test process among the prior art.
Description
Technical Field
The utility model relates to a battery short circuit test is with article field particularly, relates to a battery short circuit test auxiliary device.
Background
In the process of carrying out the short circuit test to the battery, the mode of current test mode generally carrying out the wiring test through the workman is manual, and this kind of test mode not only operates more troublesome, and efficiency of software testing is lower, and the test result receives human factor to influence moreover great, and the reliability of test is relatively poor.
Therefore, the existing method for testing the short circuit of the battery has the problem of inconvenient test.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a battery short circuit test auxiliary device to solve the inconvenient problem of battery short circuit test process among the prior art.
In order to achieve the above object, the utility model provides a battery short circuit test auxiliary device, battery short circuit test auxiliary device includes: an electrode movably disposed in a preset direction to have a contact position contacting the battery and a separation position separated from the battery; the elastic piece is connected with the electrode so as to drive the electrode to move towards the separation position through the elastic piece; and the driving piece is at least partially movably arranged along the preset direction so as to drive the electrode to move towards the contact position.
Furthermore, the auxiliary device for the battery short circuit test comprises a bracket, wherein the bracket comprises a supporting part and a limiting part which are arranged at intervals, and the supporting part is connected with the limiting part through a guide part; the electrode includes: the sliding part is positioned between the supporting part and the limiting part and can be arranged along the guide part in a sliding manner; the first contact part is made of a conductive material, is positioned on one side of the limiting part away from the supporting part and is connected with the sliding part; wherein, the elastic component is located between sliding part and the spacing portion, and the one end and the sliding part contact of elastic component, the other end and the spacing portion contact of elastic component.
Furthermore, the elastic part is a spring which is sleeved on the guide part; and/or, the guide part is a plurality of.
Further, the electrode comprises a connecting portion, the sliding portion is connected with the first contact portion through the connecting portion, a first guide hole is formed in the limiting portion, and the connecting portion penetrates through the first guide hole.
Furthermore, a second guide hole is formed in the supporting part; the connecting part is made of a conductive material, the first end of the connecting part is connected with the first contact part, and the second end of the connecting part passes through the second guide hole and then extends to one side of the supporting part, which is far away from the limiting part; the driving piece comprises a driving part and a second contact part made of conductive materials, and the second contact part is used for being in conductive connection with an external measuring instrument; the driving part is connected with the second contact part so as to drive the second contact part to press the connecting part through the driving part to move the electrode to the contact position.
Further, the sliding part, the first contact part and the connecting part are of an integrated structure; and/or the supporting part, the limiting part and the guide part are of an integrated structure.
Furthermore, the battery is a columnar battery, the number of the electrodes is two, and the two electrodes are arranged at intervals along the preset direction; the number of the driving parts is two, and the two driving parts and the two electrodes are arranged in a one-to-one correspondence mode.
Furthermore, the driving part is an air cylinder, and the battery short circuit test auxiliary device comprises an air supply switch which is connected with an air supply pipeline of the air cylinder so as to control the on-off of the air supply pipeline; the auxiliary device for the battery short circuit test comprises a pressure measuring part, and the pressure measuring part is connected with the air supply pipeline to measure the air pressure in the air supply pipeline.
Furthermore, battery short circuit test auxiliary device includes the supporting seat, is equipped with the recess that is used for placing the battery on the supporting seat, and the shape of the cell wall of recess and the shape phase-match of the outer wall of battery.
Further, the battery short circuit test auxiliary device comprises a weighing component and a supporting seat for supporting the battery, wherein the weighing component is positioned below the supporting seat so as to weigh the supporting seat and the battery on the supporting seat through the weighing component.
Use the technical scheme of the utility model battery short circuit test auxiliary device include: an electrode movably disposed in a preset direction to have a contact position contacting the battery and a separation position separated from the battery; the elastic piece is connected with the electrode so as to drive the electrode to move towards the separation position through the elastic piece; and the driving piece is at least partially movably arranged along the preset direction so as to drive the electrode to move towards the contact position. Therefore, when the battery needs to be subjected to short circuit test, the electrode is connected with the measuring instrument, the driving part drives the electrode to overcome the resistance of the elastic part and then move to the contact position contacted with the battery, and therefore the electrode is communicated with the battery to realize the test; after the test, the elastic component drives the electrode to return to the separation position under the elastic action, so that the electrode of the auxiliary device for testing the short circuit of the battery resets, the next test is conveniently carried out, and thus, the electrode and the battery are not needed to be manually connected by an operator, and the problem that the existing testing process for testing the short circuit of the battery is inconvenient is solved.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural diagram of a first viewing angle of an embodiment of a battery short circuit test aid according to the present invention;
fig. 2 shows a schematic structural diagram of a second viewing angle of an embodiment of the auxiliary device for battery short circuit test according to the present invention;
fig. 3 shows a schematic structural diagram of a third viewing angle of an embodiment of the auxiliary device for battery short circuit test according to the present invention;
fig. 4 shows a schematic structural diagram of a fitting position between a bracket and an electrode according to an embodiment of the auxiliary device for battery short circuit test of the present invention;
fig. 5 shows a schematic structural diagram of the battery short circuit test auxiliary device according to the present invention after the elastic member is removed from the position where the battery short circuit test auxiliary device is fitted between the bracket and the electrode.
Wherein the figures include the following reference numerals:
1. an electrode; 11. a sliding part; 12. a first contact portion; 13. a connecting portion; 2. an elastic member; 3. a drive member; 31. a driving portion; 32. a second contact portion; 4. a support; 41. a support portion; 42. a limiting part; 43. a guide portion; 5. a pressure measurement component; 6. a supporting seat; 7. a display; 8. an air supply switch; 100. a base.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 5, the present invention provides an auxiliary device for battery short circuit test, which includes: an electrode 1, the electrode 1 being movably disposed in a preset direction to have a contact position contacting the battery and a separation position separated from the battery; the elastic part 2, the elastic part 2 is connected with the electrode 1, so as to drive the electrode 1 to move towards the separation position through the elastic part 2; a driver 3, at least a part of the driver 3 being movably arranged in a preset direction to drive the electrode 1 towards the contact position.
The utility model discloses a battery short circuit test auxiliary device includes: an electrode 1, the electrode 1 being movably disposed in a preset direction to have a contact position contacting the battery and a separation position separated from the battery; the elastic part 2, the elastic part 2 is connected with the electrode 1, so as to drive the electrode 1 to move towards the separation position through the elastic part 2; a driver 3, at least a part of the driver 3 being movably arranged in a preset direction to drive the electrode 1 towards the contact position. Thus, when the battery needs to be subjected to short circuit test, the electrode 1 is connected with a measuring instrument, the driving piece 3 drives the electrode 1 to overcome the resistance of the elastic piece 2 and then move to a contact position contacted with the battery, and the electrode 1 is communicated with the battery to realize the test; after the test, elastic component 2 drives electrode 1 to return the isolated position under the elastic action to make battery short circuit test auxiliary device's electrode 1 reset, in order to conveniently carry out next test, like this, need not that operating personnel is manual to switch on electrode 1 with the battery, solved the inconvenient problem of current battery short circuit test process.
In addition, the mechanical auxiliary device for the battery short circuit test can improve the reliability of the contact between the electrode 1 and the battery by performing the short circuit test on the battery, thereby improving the test precision. The elastic member 2 can apply a force directed to the separation position to the electrode 1, thereby playing a certain role of buffering the electrode 1 and being beneficial to protecting the electrode 1 and the battery.
Specifically, the battery short circuit test auxiliary device comprises a bracket 4, wherein the bracket 4 comprises a supporting part 41 and a limiting part 42 which are arranged at intervals, and the supporting part 41 is connected with the limiting part 42 through a guide part 43; the electrode 1 includes: a sliding part 11, the sliding part 11 being located between the support part 41 and the stopper part 42, the sliding part 11 being slidably disposed along the guide part 43; the first contact part 12, the first contact part 12 is made of conducting material, the first contact part 12 locates at the side far away from the support part 41 of the limiting part 42, the first contact part 12 is connected with sliding part 11; wherein, the elastic element 2 is located between the sliding part 11 and the limiting part 42, one end of the elastic element 2 is contacted with the sliding part 11, and the other end of the elastic element 2 is contacted with the limiting part 42.
A third guide hole is formed in the sliding portion 11, and the guide portion 43 is inserted into the third guide hole. The support 41 is connected to the base 100 of the battery short test aid.
In order to improve the stability of the installation of the elastic element 2, the elastic element 2 is a spring, and the spring is sleeved on the guide part 43; and/or, the guide portion 43 is plural. In the present embodiment, the number of the guide portions 43 is two, and the connecting portion 13 is located between the two guide portions 43.
Specifically, the electrode 1 includes a connecting portion 13, the sliding portion 11 is connected to the first contact portion 12 through the connecting portion 13, the limiting portion 42 is provided with a first guide hole, and the connecting portion 13 is inserted into the first guide hole.
In the present embodiment, the support portion 41 is provided with a second guide hole; the connecting portion 13 is made of a conductive material, a first end of the connecting portion 13 is connected to the first contact portion 12, and a second end of the connecting portion 13 extends to a side of the supporting portion 41 away from the limiting portion 42 after passing through the second guide hole; the driver 3 comprises a driving part 31 and a second contact part 32 made of conductive material, the second contact part 32 is used for electrically connecting with an external measuring instrument; the driving portion 31 is connected to the second contact portion 32 to drive the second contact portion 32 to press the connection portion 13 by the driving portion 31 to move the electrode 1 to the contact position.
The second contact portion 32 is provided with a wire connection portion for connection with the measuring instrument. In the present embodiment, the wiring portion is a post.
Alternatively, the sliding portion 11, the first contact portion 12 and the connecting portion 13 are of an integral structure; and/or the supporting part 41, the limiting part 42 and the guiding part 43 are of an integrated structure. In the present embodiment, the sliding portion 11, the first contact portion 12, the supporting portion 41, and the stopper portion 42 are all plate-shaped structures, and the connecting portion 13 and the guide portion 43 are all columnar structures.
Specifically, two electrodes 1 are provided, and the two electrodes 1 are arranged at intervals along a preset direction; the number of the driving members 3 is two, and the two driving members 3 are arranged in one-to-one correspondence with the two electrodes 1.
In order to play a role of driving the electrode 1 to move and improve the protection effect on the battery, the driving part 31 is a cylinder, the battery short circuit test auxiliary device comprises an air supply switch 8, and the air supply switch 8 is connected with an air supply pipeline of the cylinder so as to control the on-off of the air supply pipeline; the auxiliary device for testing the battery short circuit comprises a pressure measuring part 5, wherein the pressure measuring part 5 is connected with the air supply pipeline so as to measure the air pressure in the air supply pipeline.
Specifically, battery short circuit test auxiliary device includes supporting seat 6, is equipped with the recess that is used for placing the battery on supporting seat 6, and the shape of the cell wall of recess and the shape phase-match of the outer wall of battery. In this embodiment, the battery is a cylindrical battery, and the groove on the supporting seat 6 is a part of the cylindrical surface.
The battery short circuit test auxiliary device comprises a weighing part and a support seat 6 for supporting the battery, wherein the weighing part is positioned below the support seat 6 so as to weigh the support seat 6 and the battery positioned on the support seat 6 through the weighing part. Like this, when placing the battery on supporting seat 6, accessible weighing part weighs the battery, has realized going on with the synchronization of weighing to the short circuit test of battery, and both can not mutual interference to save operating time, improved efficiency of software testing effectively. Optionally, the weighing component is an electronic scale or a pressure sensor.
The battery short circuit test auxiliary device comprises a display 7, and the display 7 is connected with the weighing part, so that the weight information of the battery is displayed through the display 7.
In addition, the auxiliary device for the battery short circuit test comprises an alarm part, wherein the alarm part is connected with the weighing part so as to send out an alarm signal through the alarm part when the weighing part detects that the weight of the battery exceeds a set range.
Specifically, the weighing part, the display 7, and the pressure measuring part 5 are all disposed on the base 100 of the battery short test assisting apparatus.
In this embodiment, in order to improve the protection effect on the electrode 1 and the battery, the driving member 3 is movably disposed along a preset direction, the battery short circuit test auxiliary device includes an elastic pushing member, the elastic pushing member is in contact with the driving member 3 to apply a force to the driving member 3 in a direction toward the battery, optionally, the elastic pushing member is a spring, so that, after the driving member 3 drives the electrode 1 to contact the battery, the elastic pushing member is deformed under pressure, so that the driving member 3 moves away from the battery, thereby performing a buffer protection effect on the battery and avoiding damage to the battery. Specifically, the main body of the auxiliary device for battery short circuit test is provided with a sliding guide part extending along a preset direction, the driving part 3 is slidably arranged along the sliding guide part, and the sliding guide part can be a sliding rail or a sliding chute.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the utility model discloses a battery short circuit test auxiliary device includes: an electrode 1, the electrode 1 being movably disposed in a preset direction to have a contact position contacting the battery and a separation position separated from the battery; the elastic part 2, the elastic part 2 is connected with the electrode 1, so as to drive the electrode 1 to move towards the separation position through the elastic part 2; a driver 3, at least a part of the driver 3 being movably arranged in a preset direction to drive the electrode 1 towards the contact position. Thus, when the battery needs to be subjected to short circuit test, the electrode 1 is connected with a measuring instrument, the driving piece 3 drives the electrode 1 to overcome the resistance of the elastic piece 2 and then move to a contact position contacted with the battery, and the electrode 1 is communicated with the battery to realize the test; after the test, elastic component 2 drives electrode 1 to return the isolated position under the elastic action to make battery short circuit test auxiliary device's electrode 1 reset, in order to conveniently carry out next test, like this, need not that operating personnel is manual to switch on electrode 1 with the battery, solved the inconvenient problem of current battery short circuit test process.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A battery short circuit test auxiliary device, characterized in that, battery short circuit test auxiliary device includes:
an electrode (1), the electrode (1) being movably disposed in a preset direction to have a contact position contacting a battery and a separation position separated from the battery;
an elastic member (2), the elastic member (2) being connected to the electrode (1) to drive the electrode (1) to move towards the separated position by the elastic member (2);
a drive member (3), at least part of the drive member (3) being movably arranged in the predetermined direction to drive the electrode (1) towards the contact position.
2. The battery short circuit test auxiliary device according to claim 1, wherein the battery short circuit test auxiliary device comprises a bracket (4), the bracket (4) comprises a supporting part (41) and a limiting part (42) which are arranged at intervals, and the supporting part (41) is connected with the limiting part (42) through a guide part (43); the electrode (1) comprises:
a sliding portion (11), the sliding portion (11) being located between the support portion (41) and the stopper portion (42), the sliding portion (11) being slidably provided along the guide portion (43);
a first contact portion (12), wherein the first contact portion (12) is made of a conductive material, the first contact portion (12) is located on one side of the limiting portion (42) away from the supporting portion (41), and the first contact portion (12) is connected with the sliding portion (11);
the elastic piece (2) is located between the sliding portion (11) and the limiting portion (42), one end of the elastic piece (2) is in contact with the sliding portion (11), and the other end of the elastic piece (2) is in contact with the limiting portion (42).
3. The battery short circuit test auxiliary device according to claim 2, wherein the elastic member (2) is a spring, and the spring is sleeved on the guide portion (43); and/or the guide part (43) is a plurality of.
4. The battery short circuit test auxiliary device according to claim 2, wherein the electrode (1) comprises a connecting portion (13), the sliding portion (11) is connected with the first contact portion (12) through the connecting portion (13), the limiting portion (42) is provided with a first guide hole, and the connecting portion (13) is arranged in the first guide hole in a penetrating manner.
5. The battery short circuit test auxiliary device according to claim 4, wherein the supporting portion (41) is provided with a second guide hole; the connecting part (13) is made of a conductive material, a first end of the connecting part (13) is connected with the first contact part (12), and a second end of the connecting part (13) penetrates through the second guide hole and then extends to one side, away from the limiting part (42), of the supporting part (41);
the drive element (3) comprises a drive part (31) and a second contact part (32) made of an electrically conductive material, wherein the second contact part (32) is used for electrically connecting with an external measuring instrument; the driving part (31) is connected with the second contact part (32) so that the second contact part (32) is driven by the driving part (31) to press the connecting part (13) to move the electrode (1) to the contact position.
6. The battery short circuit test auxiliary device according to claim 5, wherein the sliding portion (11), the first contact portion (12), and the connecting portion (13) are of an integral structure; and/or the supporting part (41), the limiting part (42) and the guide part (43) are of an integrated structure.
7. The battery short circuit test auxiliary device according to claim 1, wherein the battery is a cylindrical battery, the number of the electrodes (1) is two, and the two electrodes (1) are arranged at intervals along the preset direction; the number of the driving pieces (3) is two, and the two driving pieces (3) and the two electrodes (1) are arranged in a one-to-one correspondence mode.
8. The battery short circuit test auxiliary device according to claim 5, wherein the driving part (31) is a cylinder, the battery short circuit test auxiliary device comprises an air supply switch (8), and the air supply switch (8) is connected with an air supply pipeline of the cylinder to control the on-off of the air supply pipeline; the auxiliary device for the battery short circuit test comprises a pressure measurement part (5), wherein the pressure measurement part (5) is connected with the air supply pipeline so as to measure the air pressure in the air supply pipeline.
9. The battery short circuit test auxiliary device according to any one of claims 1 to 8, wherein the battery short circuit test auxiliary device comprises a support base (6), a groove for placing the battery is arranged on the support base (6), and the shape of the groove wall of the groove is matched with the shape of the outer wall surface of the battery.
10. The battery short circuit test aid according to any one of claims 1 to 8, wherein the battery short circuit test aid comprises a support base (6) for supporting the battery and a weighing means located below the support base (6) for weighing the support base (6) and the battery located on the support base (6) by the weighing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020801512.9U CN213275893U (en) | 2020-05-14 | 2020-05-14 | Battery short circuit test auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020801512.9U CN213275893U (en) | 2020-05-14 | 2020-05-14 | Battery short circuit test auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213275893U true CN213275893U (en) | 2021-05-25 |
Family
ID=75936038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020801512.9U Active CN213275893U (en) | 2020-05-14 | 2020-05-14 | Battery short circuit test auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213275893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359053A (en) * | 2021-06-09 | 2021-09-07 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Battery detection device |
-
2020
- 2020-05-14 CN CN202020801512.9U patent/CN213275893U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359053A (en) * | 2021-06-09 | 2021-09-07 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Battery detection device |
| CN113359053B (en) * | 2021-06-09 | 2023-03-10 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Battery detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101052886B (en) | Replaceable probe apparatus for probing semiconductor wafer | |
| JP2023126924A5 (en) | Electrical parameter sensor probe and method for detecting electrical parameters in insulated conductors | |
| CN213275893U (en) | Battery short circuit test auxiliary device | |
| CN109632182A (en) | Piezoresistive transducer test equipment and test method | |
| CN111638456A (en) | Battery short circuit test auxiliary device | |
| CN104316878B (en) | Insulation detection device and its detecting tool between plastic battery pole and cover plate | |
| CN206515413U (en) | A kind of FPC wireline tests switching device | |
| JPH06313752A (en) | Hardness tester for soft material | |
| JP3276267B2 (en) | Electric resistance measuring device and electric resistance measuring method | |
| CN203101511U (en) | Testing device for testing polymer lithium ion battery case resistance | |
| JP2008003070A (en) | Load detector | |
| CN207894751U (en) | The static bending device of screen resilience test | |
| CN113504445A (en) | Insulation and voltage resistance testing device | |
| CN211741374U (en) | Single-head universal test frame of PCB probe | |
| CN211348427U (en) | Device for automatically measuring resistance value | |
| CN216283278U (en) | Measuring device | |
| CN109696601B (en) | Needle bed aging and detecting device | |
| CN216265494U (en) | Detector and portable energy storage main control board comprehensive test fixture | |
| CN212844750U (en) | Withstand voltage test equipment | |
| CN205374173U (en) | Pulling -force testing machine | |
| CN205484693U (en) | A smelting tool for circuit board detects | |
| CN214585867U (en) | Electric parameter testing device for thin film force sensitive core | |
| CN211785792U (en) | Resistance testing device with mounting bracket | |
| EP4092427B1 (en) | Sheet electric resistance measuring instrument | |
| CN113852902B (en) | Detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 056300 Yinlong new energy industrial park, north of Hanwu expressway, Handan City, Hebei Province Patentee after: Hebei Gree titanium new energy Co.,Ltd. Patentee after: Gree titanium new energy Co., Ltd Address before: 056300 Yinlong new energy industrial park, north of Hanwu expressway, Handan City, Hebei Province Patentee before: HEBEI YINLONG NEW ENERGY Co.,Ltd. Patentee before: Yinlong new energy Co., Ltd |