CN211293073U - Pole piece resistance bearing platform and measuring instrument - Google Patents
Pole piece resistance bearing platform and measuring instrument Download PDFInfo
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- CN211293073U CN211293073U CN201921438803.XU CN201921438803U CN211293073U CN 211293073 U CN211293073 U CN 211293073U CN 201921438803 U CN201921438803 U CN 201921438803U CN 211293073 U CN211293073 U CN 211293073U
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Abstract
The utility model provides a pole piece resistance plummer and measuring apparatu, include: the sample stage comprises a sample stage base for placing a pole piece resistor and an end cover matched with the sample stage base; the sample table base comprises a measuring part and a handheld part, and the handheld part is arranged at the rear end of the measuring part; the front end of the measuring part is provided with a first opening, at least one group of first measuring openings are arranged on the measuring part, the first measuring openings are communicated with the front end opening, and the first measuring openings and the first openings penetrate through the sample stage base; be provided with second opening and second measurement opening on the end cover, run through the end cover, and with opening on the sample platform base is corresponding, based on the utility model discloses, be provided with a plurality of and upper and lower pressure head assorted measurement openings on the pole piece resistance plummer, can carry out the measurement of different positions to pole piece resistance after loading, and avoid repeatedly exerting pressure, cause the influence to the test of pole piece resistance.
Description
Technical Field
The utility model relates to a pole piece resistance measuring device, in particular to pole piece resistance plummer and measuring apparatu.
Background
The lithium ion battery has the advantages of high volume energy ratio, high weight energy ratio, high voltage, low self-discharge rate, no memory effect, long cycle life and the like, and is widely applied. In the battery pole piece, the main factors influencing the conductivity comprise the condition of a bonding interface between a foil substrate and a coating, the distribution state of a conductive agent, the contact state between particles and the like; the uniformity of the microstructure in the resistance of the pole piece can be judged through the conductivity of the battery pole piece, and the performance of the battery is predicted. Meanwhile, the resistance of the lithium ion battery pole piece is an important factor influencing the internal resistance, the voltage and the self-discharge rate of the battery.
In the prior art, only one sample hole is formed in a bearing platform of a pole piece resistor, the pole piece resistor is inevitably extruded in a test process, and the pole piece resistor has certain destructiveness to the pole piece, so that the pole piece resistor cannot be repeatedly pressed to the same position in each test, and the pole piece resistor is curled and unsmooth in a processing process, needs to be flattened by hands in the test (namely, in the pressing process), and has certain danger.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a pole piece resistance plummer and measuring apparatu is provided with a plurality ofly on the pole piece resistance plummer and goes up lower pressure head assorted measurement opening, can carry out the measurement of different positions to pole piece resistance after loading, and avoids repeatedly exerting pressure, causes the influence to pole piece resistance test result.
The utility model provides a pole piece resistance plummer, include: the sample stage comprises a sample stage base for placing a pole piece resistor and an end cover matched with the sample stage base;
the sample table base comprises a measuring part and a handheld part, and the handheld part is arranged at the rear end of the measuring part;
the front end of the measuring part is provided with a first opening, at least one group of first measuring openings are arranged on the measuring part, the first measuring openings are communicated with the front end opening, and the first measuring openings and the first openings penetrate through the sample stage base;
the end cover is provided with a second opening and a second measuring opening, the second opening is communicated with the second measuring opening, the second front port and the second measuring opening penetrate through the end cover, the first opening corresponds to the second opening, and the first measuring opening corresponds to the second measuring opening.
Preferably, the hand-held portion is provided with a first holding block and a second holding block, the first holding block inclines from front to back to right, the second holding block inclines from front to back to left, a left side wall of the measuring portion and a side wall of the first holding block form a first side wall, and a right side wall of the measuring portion and a side wall of the first holding block form a second side wall.
Preferably, the rear end of the first holding block is connected with the rear end of the second holding block through a concave surface which is recessed from back to front, the concave surface is matched with the first side wall to limit the shape of the first holding block, and the concave surface is matched with the second side wall to limit the shape of the second holding block.
Preferably, the end cover is consistent with the upper end face of the sample stage base in shape.
Preferably, the end cover is provided with a first magnet, and the sample stage base is provided with a second magnet matched with the first magnet in position.
Preferably, the first measuring opening is provided with 3 sets.
Preferably, the end cover and the sample stage base are made of insulating materials.
The utility model discloses a second embodiment provides a pole piece resistance measuring apparatu, include the pressure head, go up the pressure head and as above an arbitrary pole piece resistance plummer, go up the pressure head with the cooperation of pressure head is to placing down pole piece resistance on the pole piece resistance plummer is exerted pressure and is measured.
Based on the embodiment of the utility model provides a pair of pole piece resistance plummer and measuring apparatu sets up a plurality ofly on the sample platform base and upper and lower pressure head assorted measurement opening, can be used to carry out the measurement of different positions to pole piece resistance after loading, and avoid repeatedly exerting pressure, cause destruction to pole piece resistance, through the meter with the end cover that the shape of face is the same size on the plummer for pole piece resistance is smooth arranges the plummer in, avoids taking place the skew on the position at the in-process pole piece resistance of exerting pressure.
Drawings
Fig. 1 is a base of a pole piece resistance bearing table according to an embodiment of the present invention;
fig. 2 is an end cover matched with a base of a bearing table provided by an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "upper end", "lower end", "upper section", "lower section", "upper side", "lower side", "middle", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
The utility model discloses a pole piece resistance plummer and measuring apparatu is provided with a plurality ofly on the pole piece resistance plummer and goes up lower pressure head assorted measurement opening, can carry out the measurement of different positions to pole piece resistance after loading, and avoids repeatedly exerting pressure, causes the influence to the test result of pole piece resistance.
Referring to fig. 1 and 2, a first embodiment of the present invention provides a pole piece resistor bearing platform, including: the sample stage comprises a sample stage base for placing a pole piece resistor and an end cover matched with the sample stage base;
the sample table base comprises a measuring part and a handheld part, and the handheld part is arranged at the rear end of the measuring part;
the front end of the measuring part is provided with a first opening 1, at least one group of first measuring openings 2 are arranged on the measuring part, the first measuring openings 2 are communicated with the first opening, and the first measuring openings 2 and the first opening 1 penetrate through the sample stage base;
the end cover is provided with a second opening 6 and a second measuring opening 7, the second opening 6 is communicated with the second measuring opening 7, the second opening 6 and the second measuring opening 7 penetrate through the end cover, the first opening 1 corresponds to the second opening 6, and the first measuring opening 2 corresponds to the second measuring opening 7.
It should be noted that, each set of the first measuring openings 2 may be arranged in two, and may be arranged opposite to each other, and both communicate with the first opening 1, wherein, the upper and lower pressure heads on the measuring instrument can enter from the first opening 1 and move to the first measuring opening 2 to measure the pressure of the resistance of the pole piece, the second openings 6 on the end cover correspond to the second measuring openings 7 one by one and penetrate through the whole carrier, so that the pole piece resistor loaded on the base of the sample table, can measure different positions, avoids repeatedly applying pressure to the same position, and is flatly arranged on the base of the bearing table through the design of the end cover, in the pressure measurement process, the pole piece resistor on the sample stage base cannot deviate, and the sample stage base and the end cover are made of non-conductive insulating materials.
In this embodiment, the hand-held portion is provided with a first holding block 3 and a second holding block 4, the first holding block 3 is inclined from front to back to right, the second holding block 4 is inclined from front to back to left, a left side wall of the measuring portion and a side wall of the first holding block 3 form a first side wall, and a right side wall of the measuring portion and a side wall of the first holding block 3 form a second side wall.
It should be noted that, when carrying out the measurement of antipodal sheet resistance, the operator through the operation such as impel and the translation is carried out whole bearing to the handheld portion, grips piece 4 through setting up first gripping piece 3 and second, and first gripping piece 3 is by preceding to the right slope of back, the second gripping piece 4 is by preceding to the left slope of back, the operator of being convenient for carries out both hands operation, and makes things convenient for gripping of operator's hand, of course, in other embodiments, also can not set up handheld portion, or first gripping piece 3 and second gripping piece 4 also can set up by preceding not slope setting after to, and these schemes can correspond the setting according to actual conditions, do not specifically limit here, but these schemes are all in the utility model discloses a protection scope.
In this embodiment, the rear end of the first holding block 3 is connected to the rear end of the second holding block 4 through a concave surface recessed from back to front, the concave surface cooperates with the first sidewall to define the shape of the first holding block 3, and the concave surface cooperates with the second sidewall to define the shape of the second holding block 4.
It should be noted that, the concave surface described herein preferably adopts an arc surface to connect the rear end of the first holding block 3 and the rear end of the second holding block 4, so as to facilitate holding by an operator, and of course, in other embodiments, a non-arc surface may also be used to connect, such as a concave surface, these schemes may be correspondingly arranged according to actual conditions, and no specific limitation is made here, but these schemes are all within the protection scope of the present invention.
In this embodiment, the end cap is identical to the upper end surface of the sample stage base in shape.
It should be noted that the end cover corresponds to the measuring portion and the handheld portion on the sample stage base one-to-one, and is used for pressing the pole piece resistor on the sample stage base, of course, in other embodiments, the end cover may also be in other shapes capable of pressing the pole piece resistor on the sample stage base, and these schemes may be correspondingly set according to actual conditions, and here, specific limitations are not made, but these schemes are all within the protection scope of the present invention.
In this embodiment, the end cover is provided with a first magnet 5, and the sample stage base is provided with a second magnet 8 matched with the first magnet 5 in position.
It should be noted that, the number of the first magnets 5 may be 4, and may be respectively disposed at four corners of the sample stage base, the number of the second magnets 8 may be 4, and may be respectively disposed at four corners of the end cover, and the first magnets 5 and the second magnets 8 attract each other, so that when the end cover is mated with the sample stage base, the pole piece resistance is flatly disposed on the sample stage base, and does not move when performing pressure measurement, of course, in other embodiments, a buckle may be further disposed on the sample stage base, and is matched with the buckle on the end cover, so that when the end cover is mated with the sample stage base, the pole piece resistance is flatly disposed on the sample stage base, and does not move when performing pressure measurement, these solutions may be correspondingly disposed according to actual situations, the present invention is not limited to the above embodiments, but the present invention is also intended to cover the scope of the present invention.
In the present embodiment, the first measuring opening 2 is provided with 3 sets.
It should be noted that, it is preferable to set up 3 groups according to the size of the pole piece resistor and the size of the bearing platform, in other embodiments, it may also set up 4 groups or two or 2 groups according to the actual situation, and there is no specific limitation here, but these schemes are all within the protection scope of the present invention.
In this embodiment, the end cap and the sample stage base are made of insulating materials.
It should be noted that, the end cover and the sample stage base are made of insulating materials, so that the measurement error caused by energizing the sheet resistor during the pressure measurement can be avoided, the insulating materials can be peek polyether ether ketone, polytetrafluoroethylene or pom, the schemes can be specifically set according to the actual conditions, and no specific limitation is made here, but the schemes are all in the protection scope of the present invention.
The utility model discloses a second embodiment provides a pole piece resistance measuring apparatu, include the pressure head, go up the pressure head and as above an arbitrary pole piece resistance plummer, go up the pressure head with the cooperation of pressure head is to placing down pole piece resistance on the pole piece resistance plummer is exerted pressure and is measured.
Based on the embodiment of the utility model provides a pair of pole piece resistance plummer and measuring apparatu sets up a plurality ofly on the pole piece resistance plummer and carries out the measurement of different positions to pole piece resistance after loading, and avoids repeatedly exerting pressure, causes destruction to pole piece resistance, through the meter with the end cover that the shape of face is the same size on the plummer for pole piece resistance is smooth arranges the plummer in, avoids exerting pressure the skew on the in-process pole piece resistance emergence position.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.
Claims (8)
1. A pole piece resistor bearing table, comprising: the sample stage comprises a sample stage base for placing a pole piece resistor and an end cover matched with the sample stage base;
the sample table base comprises a measuring part and a handheld part, and the handheld part is arranged at the rear end of the measuring part;
the front end of the measuring part is provided with a first opening, at least one group of first measuring openings are arranged on the measuring part, the first measuring openings are communicated with the first opening, and the first measuring openings and the first opening penetrate through the sample stage base;
the end cover is provided with a second opening and a second measuring opening, the second opening is communicated with the second measuring opening, the second opening and the second measuring opening penetrate through the end cover, the first opening corresponds to the second opening, and the first measuring opening corresponds to the second measuring opening.
2. The pole piece resistor bearing table as claimed in claim 1, wherein the holding portion is provided with a first holding block and a second holding block, the first holding block is inclined from front to back to right, the second holding block is inclined from front to back to left, a left side wall of the measuring portion and a side wall of the first holding block form a first side wall, and a right side wall of the measuring portion and a side wall of the first holding block form a second side wall.
3. The pole piece resistor holder of claim 2 wherein the rear end of the first holding block is connected to the rear end of the second holding block by a concave surface that is concave from back to front, the concave surface engaging the first sidewall to define the shape of the first holding block, the concave surface engaging the second sidewall to define the shape of the second holding block.
4. The pole piece resistor bearing table according to claim 3, wherein the end cap is in conformity with the upper end surface of the stage base.
5. The pole piece resistance bearing platform of claim 3, wherein the end cap is provided with a first magnet, and the sample platform base is provided with a second magnet matched with the first magnet in position.
6. A pole piece resistance holder according to claim 1, wherein the first measurement opening is provided with 3 sets.
7. The pole piece resistance bearing platform of claim 1, wherein the end cap and the platform base are made of an insulating material.
8. A pole piece resistance measuring instrument, which is characterized by comprising an upper pressure head, a lower pressure head and a pole piece resistance bearing platform according to any one of claims 1 to 7, wherein the upper pressure head and the lower pressure head are matched to perform pressure measurement on a pole piece resistance placed on the pole piece resistance bearing platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921438803.XU CN211293073U (en) | 2019-08-30 | 2019-08-30 | Pole piece resistance bearing platform and measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921438803.XU CN211293073U (en) | 2019-08-30 | 2019-08-30 | Pole piece resistance bearing platform and measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211293073U true CN211293073U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921438803.XU Active CN211293073U (en) | 2019-08-30 | 2019-08-30 | Pole piece resistance bearing platform and measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211293073U (en) |
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2019
- 2019-08-30 CN CN201921438803.XU patent/CN211293073U/en active Active
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