CN219871494U - Multi-probe measuring instrument and system - Google Patents
Multi-probe measuring instrument and system Download PDFInfo
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- CN219871494U CN219871494U CN202223585304.8U CN202223585304U CN219871494U CN 219871494 U CN219871494 U CN 219871494U CN 202223585304 U CN202223585304 U CN 202223585304U CN 219871494 U CN219871494 U CN 219871494U
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- probe
- needle plate
- probes
- meter
- driving unit
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- 239000000523 sample Substances 0.000 title claims abstract description 106
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of measuring instruments, in particular to a multi-probe measuring instrument and a system, which comprise a rack and further comprise: the probe card is provided with a plurality of probes, the probes are arranged on the probe card in an array mode, the lower ends of the probes are exposed out of the probe card, and the distances between the adjacent probes are equal; the vertical driving unit is arranged on the frame, is connected with the needle plate and drives the needle plate to reciprocate along the vertical direction; when the vertical driving unit drives the needle plate to descend, the probe is contacted with an object to be detected. The utility model ensures that the high-precision measurement can be realized by fixing the measurement point positions each time, the error rate can be effectively reduced, the production efficiency is improved, the cost is reduced for the manufacturing of enterprises, the high quality and the high efficiency are realized, and the process failure is reduced, so that different products are compatible, and one input and multiple returns are realized.
Description
Technical Field
The utility model relates to the technical field of measuring instruments, in particular to a multi-probe measuring instrument and a system.
Background
The conventional single-probe type voltage internal resistance tester is only integrated with a single probe type, and needs to manually measure a single cell, so that the time cost is increased, the long-time operation is easy to fatigue, the leakage is caused, and the measured value of the measured object is error due to the difference of the manual operation detection points.
Disclosure of Invention
Therefore, the utility model aims to overcome the defects in the prior art, and the probe can be provided with a plurality of sets of integrated probes, so that the error rate can be effectively reduced by rapidly capturing the voltage and the internal resistance of the lithium battery and ensuring the fixation of each measurement point to realize high-precision measurement, the production efficiency is improved, and the cost is reduced for the manufacturing of enterprises.
In order to solve the technical problems, the utility model provides a multi-probe measuring instrument, which comprises a rack and further comprises:
the probe card is provided with a plurality of probes, the probes are arranged on the probe card in an array mode, the lower ends of the probes are exposed out of the probe card, and the distances between the adjacent probes are equal;
the vertical driving unit is arranged on the frame, is connected with the needle plate and drives the needle plate to reciprocate along the vertical direction; when the vertical driving unit drives the needle plate to descend, the probe is contacted with an object to be detected.
As a preferred mode of the present utility model, the vertical driving unit includes a driving member, the driving member is connected to the needle plate, and a driving direction of the driving member is a vertical direction.
As a preferred mode of the present utility model, the vertical driving unit includes a guide bar, one end of which is connected to the needle plate.
As a preferred mode of the utility model, the frame is provided with a guide hole, and the other end of the guide rod passes through the guide hole.
As a preferable mode of the present utility model, the guide bars are provided with at least two, and the guide bars are parallel to each other.
As a preferred mode of the present utility model, the probe pin is movably connected with the needle plate.
As a preferred mode of the present utility model, the probe card further comprises a collision member, wherein one end of the collision member collides with the needle plate, and the other end collides with the probe.
As a preferable mode of the present utility model, when the probe collides with the object to be measured, the collision member is compressed, and the probe is lifted up relative to the needle plate.
As a preferred mode of the utility model, the probe further comprises a plug interface, wherein the plug interface is used for data transmission, and the probe is connected with the plug interface.
A multi-probe measurement system comprising a multi-probe meter as claimed in any one of the preceding claims.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the multi-probe type measuring instrument and system, the detection of multiple battery cells is achieved through multiple probes, and therefore working efficiency is improved.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic diagram of a multi-probe meter according to the present utility model.
Fig. 2 is a schematic diagram of an interface of a multi-probe meter according to the present utility model.
FIG. 3 is a schematic diagram of a probe of a multi-probe meter according to the present utility model.
Description of the specification reference numerals: 1. a frame; 2. a needle plate; 21. a probe; 22. a contact member; 23. a limit ring; 3. a vertical driving unit; 31. a driving member; 32. a guide rod; 4. an interface; 5. and a battery cell.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1 to 3, an embodiment of a multi-probe meter according to the present utility model is shown.
The multi-probe measuring instrument comprises a frame 1, a needle plate 2 for measuring and a vertical driving unit 3 for driving the needle plate 2.
The needle plate 2 is provided with a plurality of probes 21, the probes 21 are arranged on the needle plate 2 in an array, the lower ends of the probes 21 are exposed out of the needle plate 2, and the adjacent probes 21 have equal spacing.
The vertical driving unit 3 is arranged on the frame 1, is connected with the needle plate 2, and drives the needle plate 2 to reciprocate along the vertical direction. When the vertical driving unit 3 drives the needle plate 2 to descend, the probe 21 contacts with an object to be measured.
Specifically, the frame 1 is used for installing the vertical driving unit 3, the frame 1 is fixed on the workstation, one side of frame 1 is equipped with the objective table, the objective table is used for placing the electric core 5 that waits to detect. The battery cells 5 are arranged on the object stage in an array mode. The needle plate 2 is arranged above the object stage, and the vertical driving unit 3 drives the needle plate 2 to approach or depart from the electric core 5, so that the electric core 5 is detected.
The needle plate 2 is a flat plate, the upper surface and the lower surface of the needle plate 2 are parallel, and the needle plate 2 is parallel to the upper surface of the workbench. The needle plate 2 is provided with a plurality of probes 21, and the probes 21 are used for contacting the electric core 5 and detecting the electric core 5.
The lower end of the probe 21 is a contact end, the contact end is a metal end, and the metal end of the probe 21 is used for contacting with the metal end of the battery cell 5.
The probes 21 are regularly arranged on the needle plate 2, preferably, at least sixteen probes 21 are provided, and the pitches of adjacent probes 21 are equal. The distribution of the electric cores 5 of the probe 21 on the object stage is the same. The lower ends of the probes 21 are on the same plane, and the plane of the lower ends of the probes 21 is parallel to the table surface.
The vertical driving unit 3 is arranged on the frame 1, and the vertical driving unit 3 is used for driving the needle plate 2 to approach or depart from the electric core 5 on the object stage.
The vertical driving unit 3 includes a driving member 31, the driving member 31 is connected to the needle plate 2, and a driving direction of the driving member 31 is a vertical direction. Preferably, the driving member 31 is a movable telescopic cylinder, a driving shaft of the movable telescopic cylinder is connected with the needle plate 2, the movable telescopic cylinder drives the driving shaft to move in a telescopic manner along a vertical direction, and the driving shaft is parallel to the vertical direction.
In order to enable stable guiding of the needle plate 2, the vertical drive unit 3 comprises a guide bar 32, one end of the guide bar 32 being connected to the needle plate 2. For cooperation with the guide bar 32, the frame 1 is provided with a guide hole through which the other end of the guide bar 32 passes. In order to further improve the guiding stability, at least two guide rods 32 are provided, and the guide rods 32 are parallel to each other.
The guide bar 32 is a smooth round bar, one end of the guide bar 32 is connected to the upper surface of the needle plate 2, and preferably, the guide bar 32 is perpendicular to the upper surface of the needle plate 2. The guide hole on the frame 1 is matched with the guide rod 32, and the free end of the guide rod 32 passes through the guide hole to be connected with the frame 1. The guide bar 32 slides along the guide hole when the driving member 31 drives the needle plate 2 to move vertically. Preferably, two guide rods 32 are provided and symmetrically provided on both sides of the needle plate 2.
By the cooperation of the guide rod 32 and the guide hole, the needle plate 2 can be stably guided, and the needle plate 2 is prevented from deviating from a path in the moving process. Providing two guide bars 32 can further improve the stability of the guide.
Referring to fig. 3, as one embodiment, the probe needles 21 are movably connected to the needle plate 2. One end of the abutting piece 22 abuts against the needle plate 2, and the other end abuts against the probe 21. When the probe 21 collides with the object to be tested, the collision piece 22 is compressed, and the probe 21 rises relative to the needle plate 2.
The interference member 22 is used to achieve telescoping of the probe 21. The movable probes 21 retract when contacting the battery cells 5, when the heights of a plurality of battery cells 5 have certain height differences, the movable probes 21 can be compressed to realize sufficient contact between the probes 21 and the battery cells 5 with different heights, and the connection stability of the probes 21 and the battery cells 5 is improved.
The abutting piece 22 is a spring, one end of the abutting piece 22 is connected with the probe 21, and the other end of the abutting piece 22 is connected with the needle plate 2. When the probe 21 contacts with the battery cell 5, the probe 21 is stressed to retract, the abutting piece 22 is compressed, when the probe 21 is separated from the battery cell 5, the abutting piece 22 rebounds, and the probe 21 resets.
The probe 21 is provided with a limit ring 23, the contact piece 22 is sleeved on the surface of the probe 21, the bottom end of the contact piece 22 is connected with the limit ring 23, and the top end of the contact piece 22 is connected with the needle plate 2. When the probe 21 is raised relative to the needle plate 2, the interference piece 22 is compressed. When the probe 21 descends relative to the needle plate 2, the compressed interference piece 22 is reset.
As one embodiment, the multi-probe measuring instrument further comprises a socket 4, the socket 4 is used for data transmission, and the probe 21 is connected with the socket 4. The plug interface 4 is used for connecting with measuring equipment and transmitting data. The plug-in connection 4 is hard-wired to all the probes 21.
An embodiment of a multi-probe measuring system comprises a multi-probe measuring instrument according to any of the preceding claims, and further comprises a measuring device connected to the plug-in port 4 of the multi-probe measuring instrument, through which the detection of the electrical cell 5 is accomplished.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A multi-probe meter comprising a housing, further comprising:
the probe card is provided with a plurality of probes, the probes are arranged on the probe card in an array mode, the lower ends of the probes are exposed out of the probe card, and the distances between the adjacent probes are equal;
the vertical driving unit is arranged on the frame, is connected with the needle plate and drives the needle plate to reciprocate along the vertical direction; when the vertical driving unit drives the needle plate to descend, the probe is contacted with an object to be detected.
2. The multi-probe type measuring instrument according to claim 1, wherein the vertical driving unit comprises a driving member, the driving member is connected with the needle plate, and a driving direction of the driving member is a vertical direction.
3. The multiple probe meter of claim 1, wherein the vertical drive unit comprises a guide bar having one end connected to the needle plate.
4. A multi-probe meter according to claim 3, wherein the housing is provided with a guide hole through which the other end of the guide rod passes.
5. A multi-probe meter according to claim 3, wherein at least two guide bars are provided, and wherein the guide bars are parallel to each other.
6. The multiple probe meter of claim 1, wherein the probe is movably coupled to the needle plate.
7. The multiple probe meter of claim 6, further comprising an abutting member, wherein one end of the abutting member abuts the needle plate and the other end abuts the probe.
8. The multiple probe meter of claim 7, wherein the interference member is compressed when the probe is in interference with the test object, the probe being raised relative to the needle plate.
9. The multi-probe meter of claim 1, further comprising a socket for data transmission, the probe being connected to the socket.
10. A multi-probe measurement system comprising a multi-probe meter according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223585304.8U CN219871494U (en) | 2022-12-30 | 2022-12-30 | Multi-probe measuring instrument and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223585304.8U CN219871494U (en) | 2022-12-30 | 2022-12-30 | Multi-probe measuring instrument and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219871494U true CN219871494U (en) | 2023-10-20 |
Family
ID=88341509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223585304.8U Active CN219871494U (en) | 2022-12-30 | 2022-12-30 | Multi-probe measuring instrument and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219871494U (en) |
-
2022
- 2022-12-30 CN CN202223585304.8U patent/CN219871494U/en active Active
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