CN219676052U - New energy contactor test fixture - Google Patents
New energy contactor test fixture Download PDFInfo
- Publication number
- CN219676052U CN219676052U CN202320230372.8U CN202320230372U CN219676052U CN 219676052 U CN219676052 U CN 219676052U CN 202320230372 U CN202320230372 U CN 202320230372U CN 219676052 U CN219676052 U CN 219676052U
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- test
- contactor
- column
- new energy
- driving piece
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- 238000012360 testing method Methods 0.000 title claims abstract description 153
- 229910052802 copper Inorganic materials 0.000 claims description 68
- 239000010949 copper Substances 0.000 claims description 68
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 67
- 239000000523 sample Substances 0.000 claims description 48
- 238000009413 insulation Methods 0.000 claims description 37
- 238000005070 sampling Methods 0.000 claims description 24
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 10
- 230000007547 defect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Measuring Leads Or Probes (AREA)
Abstract
The utility model provides a new energy contactor test fixture which comprises a base, wherein a support column and a positioning seat are arranged on the base, a driving piece is arranged on the support column, a detection head is arranged on the driving piece, the positioning seat is positioned below the detection head, a test clamp is arranged on the base, the shape of the positioning seat is matched with that of a contactor and is used for positioning and fixing the contactor, the driving piece is used for driving the detection head to move downwards to press a main contact of the contactor or separate from the main contact of the contactor, and the test clamp is used for clamping a coil lead of the contactor. The stroke of connecting the main contact head with the driving piece is stable, a manual locking screw is not needed, and the defects of large testing error, low clamping efficiency and the like caused by unstable connection are avoided.
Description
Technical Field
The utility model relates to the technical field of contactor testing, in particular to a new energy contactor testing tool.
Background
In the field of new energy contactor production, the test wiring mode of a new energy contactor test instrument can directly influence the test result of a product, the test process needs to connect the test instrument with a new energy contactor to be tested through a cable, the main contact of the contactor needs to be electrified with hundreds of amperes of current in the test process, and meanwhile, the contact pressure drop and the contact resistance need to be measured. The existing testing method is to lock a testing cable of a main contact of a testing instrument on a main contact mounting column of a new energy contactor through screws, and clamp a coil lead of the contactor through clamping fingers to complete a complete testing loop connected with the testing instrument, see figure 1. Because the contact resistance of the main contact is only a few milliohms, the error of the measurement result of the traditional clamping mode is large, the test cable and the contactor are locked by a screw in each test, the direct contact of a person with the test cable is unsafe, and the clamping efficiency is low.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide a new energy contactor test tool, wherein a driving piece drives a detection head to be connected with a main contact to have stable stroke, a screw is not required to be manually locked, and the defects of large test error and low clamping efficiency caused by unstable connection are avoided.
The utility model is realized by the following steps: the utility model provides a new energy contactor test fixture, includes the base, install support column and positioning seat on the base, install the driving piece on the support column, install the detecting head on the driving piece, the positioning seat is located the detecting head below, install the test clamp on the base, the shape of positioning seat is used for fixing the contactor with contactor assorted, the driving piece is used for driving the detecting head to move down and compresses tightly the main contact of contactor or break away from the main contact of contactor, the test clamp is used for pressing from both sides the coil lead of contactor, the detecting head with the test clamp is used for connecting the test instrument.
In an embodiment of the utility model, the test clip is a push-type test clip.
In an embodiment of the utility model, the driving member comprises an air cylinder and a connecting seat, the air cylinder is arranged at the top of the supporting column, a push rod of the air cylinder is pushed downwards to be connected with the connecting seat, and the connecting seat is used for connecting and fixing the detecting head.
In an embodiment of the utility model, the driving piece further comprises a guide rail, the guide rail is longitudinally arranged on the surface of one side, close to the positioning seat, of the supporting column, the surface of one side, close to the supporting column, of the connecting seat is connected with the guide rail through a guide sliding block, and the guide rail plays a role in guiding the movement of the connecting seat, so that the detection head can accurately move and press the main contact of the contactor.
In an embodiment of the utility model, the probe head comprises two test copper columns, each test copper column is connected with a sampling probe through a probe insulation seat, so that the sampling probe is insulated from the test copper column, the test copper columns are used for being connected with an instrument test cable, and the sampling probes are used for being connected with an instrument sampling cable to collect voltage drop of a contact; the test copper column is connected to the connecting seat of the driving piece.
In an embodiment of the utility model, an installation groove is dug on the test copper column, the sampling probe is installed in the installation groove through the probe insulation seat, and the installation height of the sampling probe on the installation groove can be adjusted through the probe insulation seat.
In an embodiment of the present utility model, each of the test copper pillars is connected to the instrument test cable through a copper terminal.
In an embodiment of the utility model, an insulation guide plate is sleeved on the test copper column, the top of the test copper column penetrates into the insulation anti-rotation plate, the insulation anti-rotation plate is installed on the insulation guide plate, the test copper column is connected with the connecting seat of the driving piece through the insulation anti-rotation plate and the insulation guide plate, and a reset spring capable of longitudinally stretching is arranged between the test copper column and the insulation anti-rotation plate and is used for solving the problem of unbalanced contact possibly generated when the two test copper columns are respectively connected with the main contact of the contactor.
In one embodiment of the utility model, the side surface of the part of the test copper column penetrating into the insulation anti-rotation plate is processed into a polygon, and the part of the corresponding insulation anti-rotation plate, which is installed into the test copper column, is also processed into a corresponding shape; or, the side surface of the part of the test copper column penetrating into the insulation anti-rotation plate is processed into a non-circular shape, and the part of the corresponding insulation anti-rotation plate, which is installed into the test copper column, is also processed into a corresponding shape, so that the function of preventing the test copper column from rotating is achieved.
The utility model has the beneficial effects that: compared with the prior art, the utility model has at least the following technical effects: 1. the main contact of the contactor is connected by the driving piece in a quick pressing way, so that the stroke is stable, the stable connection between the probe and the main contact of the contactor can be ensured, and the problem of large test error caused by unstable connection between the probe and the contact is avoided; and need not artifical locking screw, the driving piece directly pushes down and can accomplish the connection, has improved the efficiency of clamping greatly to and avoid people direct contact test cable, the security when having improved the test. 2. The four-terminal method test is adopted, the probe head is used for connecting two main contacts of the contactor, the two main contacts are connected through the test copper column, the sampling probe collects the voltage drop voltage of the main contacts, the four-terminal method test is formed, the test clamp is used for connecting two coil leads of the contactor, and the accuracy of the contact resistance test can be improved. 3. The spring is connected between the test copper column and the insulating anti-rotation plate, so that the height difference of two main contacts of the contactor can be eliminated, the stable contact of the probe and the main contacts is ensured, the problem of unbalanced contact is avoided, and further the problem of damage to one main contact caused by the difference in the heights of the two main contacts under hard contact is avoided.
Drawings
Fig. 1 is a schematic diagram of a prior art contactor connection test.
Fig. 2 is a schematic structural diagram of a new energy contactor test fixture according to the present utility model.
Fig. 3 is a side view of a new energy contactor test fixture of the present utility model.
Fig. 4 is a schematic structural diagram of a probe of the new energy contactor test fixture of the present utility model.
Fig. 5 is a schematic view of the A-A cross-sectional structure of fig. 4.
Fig. 6 is a schematic diagram of circuit wiring of a new energy contactor test fixture according to the four-terminal method of the utility model.
Reference numerals illustrate: the device comprises a 1-base, a 2-supporting column, a 3-guiding sliding block, a 4-cylinder, a 5-connecting seat, a 6-contactor, a 7-positioning seat and an 8-test clamp; 9-probe heads, 91-sampling probes, 92-probe insulation seats, 93-test copper columns, 94-copper binding posts, 95-springs, 96-insulation guide plates and 97-insulation anti-rotation plates; 10-start button.
Detailed Description
The utility model will be further described with reference to the drawings and specific examples.
Referring to fig. 1 to 5, a new energy contactor test fixture comprises a base 1, wherein a support column 2 and a positioning seat 7 are installed on the base 1, a driving piece is installed on the support column 3, a detection head 9 is installed on the driving piece, the positioning seat 7 is located below the detection head 9, a test clamp 8 is installed on the base 1, the shape of the positioning seat 7 is matched with that of a contactor 6 and is used for positioning and fixing the contactor 6, the driving piece is used for driving the detection head 9 to move downwards to press a main contact of the contactor 6 or separate from the main contact of the contactor, the test clamp 8 is used for clamping a coil lead of the contactor 6, and the detection head 9 and the test clamp 8 are used for connecting a test instrument so as to form a complete test loop. The main contact of the contactor 6 is connected by the driving piece for driving the detecting head 9 to be quickly pressed down, so that the stable stroke can ensure that the detecting head 9 can be stably connected with the main contact of the contactor 6, and the problem of large testing error caused by unstable connection between the detecting head 9 and the contact is avoided; and need not artifical locking screw, the connection of test circuit can be accomplished in direct pushing down of driving piece, has improved the efficiency of clamping greatly to and avoid people direct contact test cable, the security when having improved the test.
Referring to fig. 2 to 3, in an embodiment of the present utility model, the test clip 8 is a push-type test clip, which is beneficial to improving the speed of positioning and clamping the coil lead by the contactor 6, thereby improving the efficiency of the whole test. The test clips 8 are provided in total with two, one for each connection to the coil leads of one contactor 6.
Referring to fig. 2 to 3, in an embodiment of the present utility model, the driving member includes a cylinder 4 and a connection seat 5, the cylinder 4 is installed on top of the supporting column 2, a push rod of the cylinder 4 is pushed downward to connect with the connection seat 5, and the connection seat 5 is used for connecting and fixing the probe 9; the quick connection between the detecting head 9 and the main contact of the contactor 6 placed on the positioning seat 7 is realized, and the clamping efficiency is improved.
Referring to fig. 2 to 3, in an embodiment of the present utility model, the driving member further includes a guide rail (not labeled), the guide rail is longitudinally installed on a surface of the support column 2 near one side of the positioning seat 7, the surface of the side of the connection seat 5 near the support column 2 is connected with the guide rail through the guide slider 3, so as to play a role in guiding the movement of the connection seat 5, that is, play a role in precisely guiding the movement of the probe 9, thereby ensuring that the probe 9 can precisely move to press the main contact of the contactor 6, and ensuring that the probe 9 is in stable contact with the main contact of the contactor 6, so as to ensure the accuracy of the test.
Referring to fig. 2 to 5, in an embodiment of the present utility model, the probe 9 includes two test copper columns 93, each test copper column 93 is connected with a sampling probe 91 through a probe insulation base 92, so that the sampling probe 91 and the test copper column 93 are insulated, the test copper column 93 is connected with an instrument test cable, and the sampling probe 91 is connected with the instrument test cable to collect a voltage drop of a main contact, so as to form a four-terminal measurement, see fig. 6; the test copper column 93 is connected to the connection base 5 of the driving member. The test copper column 93 is prevented from affecting the accuracy of sampling by the sampling probe 91 by the arrangement of the probe insulation seat 92.
Referring to fig. 2 to 5, in an embodiment of the present utility model, an installation groove is dug on the test copper column 93, the sampling probe 91 is installed in the installation groove through the probe insulation seat 92, the installation height of the sampling probe 91 on the installation groove can be adjusted through the probe insulation seat 92, so as to ensure good contact with the main contact of the contactor 6, ensure accurate test data, for example, two rows of screw holes are equidistantly arranged on two sides of the installation groove of the test copper column, and the detection insulation seat is locked into different screw holes through bolts, so that adjustment of the installation height can be realized.
Referring to fig. 2 to 5, in an embodiment of the present utility model, each of the test copper pillars 93 is connected to an instrument test cable through a copper post 94.
Referring to fig. 2 to 5, in an embodiment of the present utility model, an insulation guide plate 96 is sleeved on the test copper column 93, the top of the test copper column 93 penetrates into an insulation anti-rotation plate 97, the insulation anti-rotation plate 97 is mounted on the insulation guide plate 96, the test copper column 93 is connected with the connection seat 5 of the driving member through the insulation anti-rotation plate 97 and the insulation guide plate 96, and a reset spring 95 capable of longitudinally extending and retracting is disposed between the test copper column 93 and the insulation anti-rotation plate 97, so that the test copper column 93 has a certain extension and retraction allowance, so as to eliminate the problem of unbalanced contact that may occur when two test copper columns 93 are respectively connected with the main contacts of the contactor 6, for example, one side copper column contacts with the main contacts of the contactor 6, and the other side copper column does not contact.
Referring to fig. 4 to 5, in an embodiment of the present utility model, the side surface of the portion of the test copper pillar 93 penetrating into the insulation anti-rotation plate 97 is processed into a polygon, and the portion of the corresponding insulation anti-rotation plate 97, which is installed into the test copper pillar 93, is also processed into a corresponding shape; or, the side surface of the portion of the test copper column 93 penetrating into the insulation anti-rotation plate 97 is processed into a non-circular shape (for example, oval), and the portion of the corresponding insulation anti-rotation plate 97, which is installed into the test copper column 93, is also processed into a corresponding shape, so that the test copper column 93 is prevented from rotating, the sampling probe 91 is prevented from being displaced due to rotation of the test copper column 93, accuracy of sampling data is ensured, and accuracy of the test data is further ensured.
Referring to fig. 2 to 3, in an embodiment of the present utility model, the base 1 is provided with a start button 10 for controlling the movement of the driving member, that is, controlling the probe 9 to be pressed down against the main contact of the contactor 6 or to be away from the main contact, and how the driving member drives the movement is implemented by using the existing mature technology, which is not described in detail and is not specifically claimed.
The utility model has the following working principle:
the test connection method is characterized in that a main contact test cable is manually locked before, a clamping finger clamps a coil, and the test connection method is improved into a test tool consisting of a base 1, a guide sliding block, an air cylinder 4, a probe 9 and other mechanisms. During testing, the contactor 6 is placed in the positioning seat 7, the lead coil pin of the contactor 6 is placed in the pressing type testing clamp 8 to clamp, the starting button 10 is pressed, the cylinder 4 drives the probe 9 to automatically press the main contact of the contactor 6 to start testing, the spring between the testing copper columns of the probe and the anti-rotation insulation can eliminate the contact unbalance of the two testing copper columns, the two copper columns can be ensured to be accurately contacted with the main contact of the contactor, the testing copper column 93 is used for connecting an instrument testing cable, the sampling probe 91 is used for collecting the voltage drop voltage of the main contact to form a four-terminal measuring method, and the testing result is the contact resistance of the main contact, as shown in fig. 6.
The points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed.
Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures may refer to the general design, so that the same embodiment and different embodiments of the present disclosure may be combined with each other without conflict.
Finally, the above description is only a preferred embodiment of the present utility model, and the scope of the present utility model is not limited to the above examples, but all technical solutions belonging to the concept of the present utility model are within the scope of the present utility model.
It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (9)
1. A new forms of energy contactor test fixture, its characterized in that: the device comprises a base, install support column and positioning seat on the base, install the driving piece on the support column, install the detecting head on the driving piece, the positioning seat is located the detecting head below, install the test clamp on the base, the shape of positioning seat is used for fixing the contactor with contactor assorted, the driving piece is used for driving the detecting head to move down and compresses tightly the main contact of contactor or break away from the main contact of contactor, the test clamp is used for pressing from both sides tightly the coil lead of contactor, the detecting head with the test clamp is used for connecting test instrument.
2. The new energy contactor test fixture according to claim 1, wherein: the test clamp is a push type test clamp.
3. The new energy contactor test fixture according to claim 1, wherein: the driving piece comprises an air cylinder and a connecting seat, the air cylinder is arranged at the top of the supporting column, a push rod of the air cylinder is pushed downwards to be connected with the connecting seat, and the connecting seat is used for connecting and fixing the detecting head.
4. The new energy contactor test fixture according to claim 3, wherein: the driving piece further comprises a guide rail, the guide rail is longitudinally arranged on the surface, close to one side of the positioning seat, of the supporting column, the surface, close to one side of the supporting column, of the connecting seat is connected with the guide rail through a guide sliding block, the guide effect is achieved for movement of the connecting seat, and therefore the fact that the detecting head can accurately move and press the main contact of the contactor is guaranteed.
5. The new energy contactor test fixture according to claim 1, wherein: the probe comprises two test copper columns, each test copper column is connected with a sampling probe through a probe insulation seat, so that the sampling probes are insulated from the test copper columns, the test copper columns are used for being connected with instrument test cables, and the sampling probes are used for being connected with instrument sampling cables to collect voltage drop voltages of contact heads; the test copper column is connected to the connecting seat of the driving piece.
6. The new energy contactor test fixture according to claim 5, wherein: the test copper column is provided with a mounting groove in a digging mode, the sampling probe is mounted in the mounting groove through the probe insulation seat, and the mounting height of the sampling probe on the mounting groove can be adjusted through the probe insulation seat.
7. The new energy contactor test fixture according to claim 5, wherein: each test copper column is connected with an instrument test cable through a copper binding post.
8. The new energy contactor test fixture according to claim 5, wherein: the test copper post is provided with an insulating guide plate in a sleeved mode, the top of the test copper post penetrates into the insulating anti-rotation plate, the insulating anti-rotation plate is installed on the insulating guide plate, the test copper post is connected with a connecting seat of the driving piece through the insulating anti-rotation plate and the insulating guide plate, and a reset spring capable of longitudinally stretching is arranged between the test copper post and the insulating anti-rotation plate and used for eliminating the problem that contact unbalance possibly occurs when the two test copper posts are respectively connected with a main contact of the contactor.
9. The new energy contactor test fixture according to claim 8, wherein: the side surface of the part of the test copper column penetrating into the insulating anti-rotation plate is polygonal, and the part of the corresponding insulating anti-rotation plate, which is installed into the test copper column, is of a corresponding shape; or the side surface of the part, penetrating into the insulating anti-rotation plate, of the test copper column is in a non-circular shape, and the part, filled into the test copper column, of the corresponding insulating anti-rotation plate is in a corresponding shape, so that the test copper column is prevented from rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320230372.8U CN219676052U (en) | 2023-02-16 | 2023-02-16 | New energy contactor test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320230372.8U CN219676052U (en) | 2023-02-16 | 2023-02-16 | New energy contactor test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219676052U true CN219676052U (en) | 2023-09-12 |
Family
ID=87920657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320230372.8U Active CN219676052U (en) | 2023-02-16 | 2023-02-16 | New energy contactor test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219676052U (en) |
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2023
- 2023-02-16 CN CN202320230372.8U patent/CN219676052U/en active Active
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