CN211426713U

CN211426713U - Relay test tool

Info

Publication number: CN211426713U
Application number: CN201922369213.2U
Authority: CN
Inventors: 党铁华; 樊志峰; 龙永林; 黄万新
Original assignee: Lanto Electronic Ltd
Current assignee: Lanto Electronic Ltd; Kunshan Liantao Electronics Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-04
Anticipated expiration: 2029-12-25

Abstract

The utility model relates to a relay test technical field discloses a relay test fixture, including insulating mount pad, first detection post, second detection post and supporting component, first detection post slides and sets up on insulating mount pad, and first detection post can move along its self axis; the second detection column is arranged on the insulating mounting seat in a sliding mode and can move along the axis of the second detection column, a first through hole with the inner diameter larger than the outer diameter of the second detection column is formed in the first detection column, and one end of the second detection column penetrates through the first through hole and is exposed out of the first through hole; a relay to be detected is placed on the supporting component, and the relay is positioned below the insulating mounting seat; during detection, the first detection column is in contact with the wiring terminal of the relay, and the second detection column is inserted into the wiring hole of the wiring terminal and is in contact with the bottom surface of the wiring hole. The contact of first detection post and second detection post and terminal is face contact, can avoid relay terminal to receive the pressure to hinder and damage.

Description

Relay test tool

Technical Field

The utility model relates to a relay test technical field especially relates to a relay test fixture.

Background

The high-voltage direct-current relay has wide application in the testing industries of plug connectors, charging piles, industrial automation and the like of new energy vehicles.

Traditional relay test fixture mainly has two kinds, a test fixture includes the connecting block and sets up the probe on the connecting block, and the connecting block downstream is so that the probe butt in the terminal of relay to test the relay. However, the contact between the probe and the terminal is point contact, and the surface of the terminal of the relay is easily crushed; the pull-in time fluctuates when the probe contacts the surface of the terminal. Furthermore, the test pressure surface is not compatible with resistance test values and appearance requirements.

Another kind of test fixture includes the screw thread post, and the one end of screw thread post and relay contact is most advanced, and the screw thread post is easy scotch terminal surface when manual assembly, influences product quality and outward appearance. Moreover, the screw contact type test needs manual assembly and then testing, so that the efficiency is low, the labor cost is increased, and the quality cannot be guaranteed.

Therefore, a relay testing tool is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a relay test fixture, its area of contact that can increase with the relay terminal, avoid contact atress area undersize, cause the relay terminal to receive the pressure to hinder and damage.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a relay test fixture, includes:

an insulating mounting seat;

the first detection column is arranged on the insulating mounting seat in a sliding mode and can move along the axis of the first detection column;

the second detection column is arranged on the insulating mounting seat in a sliding mode and can move along the axis of the second detection column, a first through hole with the inner diameter larger than the outer diameter of the second detection column is formed in the first detection column, and one end of the second detection column penetrates through the first through hole and is exposed out of the first through hole;

the relay to be detected is placed on the supporting component, and the relay is positioned below the insulating mounting seat;

when the relay is detected, the first detection column is in contact with the wiring terminal of the relay, and the second detection column is inserted into the wiring hole of the wiring terminal and is in contact with the bottom surface of the wiring hole.

Preferably, the detection device further comprises a connecting column, and the first detection column is in sliding connection with the insulating mounting seat through the connecting column.

Preferably, the first detection column is connected with two connection columns, and the two connection columns are symmetrically arranged relative to the second detection column.

Preferably, the insulating mount pad is provided with first backup pad, second backup pad and third backup pad side by side and the interval, first backup pad the second backup pad with all be provided with the second through-hole that allows the spliced pole to pass in the third backup pad, and allow the second detects the third through-hole that the post passed.

Preferably, still include first elastic component, the one end of first elastic component support press in the spliced pole, the other end support press in first backup pad or the second backup pad, first elastic component can make first detection post is to being close to the direction removal of relay.

Preferably, the detection device further comprises a second elastic component, one end of the second elastic component abuts against the second detection column, the other end of the second elastic component abuts against the first support plate or the second support plate, and the second elastic component can enable the second detection column to move towards the direction close to the relay.

Preferably, the detection device further comprises a detection instrument, and the first detection column and the second detection column are both electrically connected with the detection instrument.

Preferably, the detection device further comprises a detection plug, the detection plug can be inserted into the relay, and the detection plug is electrically connected with the detection instrument.

Preferably, the relay further comprises a driving assembly, the supporting assembly comprises a support and a supporting table, the support is fixed on the supporting table, the insulating mounting seat is slidably arranged on the support, and the driving assembly can drive the insulating mounting seat to move towards a direction close to or away from the relay.

Preferably, one of the support and the insulating mounting seat is provided with a slide rail, and the other is provided with a slide block matched with the slide rail.

The utility model has the advantages that:

when the first post that detects contacts relay's terminal, the first post that detects can upwards slide, avoids hard impact terminal, and the terminal that can protect the relay better does not receive the damage when detecting. The first detection column is in surface contact with the wiring terminal, the contact area is large, the stress area of the wiring terminal can be increased well, and therefore the conductivity can be increased; because the contact area is bigger, can not cause the surface of relay terminal to be damaged by the pressure because test contact atress area is undersize.

When the second detects the hole bottom in post contact terminal's wiring hole, the second detects the post and can upwards slide, avoids hard impact terminal, and the terminal that can protect the relay better does not receive the damage when detecting. The second detection column is in surface contact with the hole bottom of the wiring hole, the contact area is large, the stress area of the hole bottom of the wiring hole can be increased well, and therefore the conductivity can be increased; because the contact area is bigger, can not cause the hole bottom of the wiring hole of relay to be damaged by the pressure because of test contact atress area undersize.

Drawings

Fig. 1 is a schematic structural diagram of a relay testing tool provided by the present invention;

fig. 2 is a schematic view of a partial structure of a relay testing tool provided by the present invention;

fig. 3 is a schematic view of a partial structure of a relay testing tool provided by the present invention;

fig. 4 is a sectional view of a partial structure of the relay testing tool provided by the present invention.

In the figure: 1. an insulating mounting seat; 11. a first support plate; 12. a second support plate; 13. a third support plate; 14. a slider;

2. a first detection column; 21. a first through hole; 3. a second detection column; 31. a second elastic member; 4. connecting columns; 41. a first elastic member; 5. a support assembly; 51. a support; 52. a support table; 53. positioning a carrier; 54. a slide rail; 6. a drive assembly; 7. detecting an instrument; 8. detecting the plug;

10. a relay; 101. and (4) binding posts.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar components or components having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1-4, the present embodiment discloses a relay testing tool, which includes an insulating mounting base 1, a first detecting column 2, a second detecting column 3, a connecting column 4 and a supporting component 5.

The insulating mounting seat 1 is provided with a first supporting plate 11, a second supporting plate 12 and a third supporting plate 13 side by side at intervals, and the first supporting plate 11, the second supporting plate 12 and the third supporting plate 13 are all provided with a second through hole allowing the connecting column 4 to pass through and a third through hole allowing the second detection column 3 to pass through. The first support plate 11, the second support plate 12 and the third support plate 13 are all arranged in parallel to the horizontal plane, and the first support plate 11, the second support plate 12 and the third support plate 13 are arranged from top to bottom in sequence.

First detection post 2 slides and sets up on insulating mount pad 1, and first detection post 2 can remove along its self axis, and first detection post 2 passes through spliced pole 4 and 1 sliding connection of insulating mount pad, and second through-hole is worn to locate by spliced pole 4 with sliding, and first detection post 2 can reciprocate for insulating mount pad 1.

The second detects post 3 and slides and set up on insulating mount pad 1, specifically, the second detects post 3 and wears to locate the third through-hole with sliding, and the second detects post 3 can follow its own axis and remove, and the second detects post 3 promptly and can reciprocate for insulating mount pad 1. The first detection column 2 is provided with a first through hole 21 with an inner diameter larger than the outer diameter of the second detection column 3, and one end of the second detection column 3 passes through the first through hole 21 and is exposed out of the first through hole 21.

The relay 10 to be detected is placed on the supporting component 5, and the relay 10 is located below the insulating mounting seat 1.

When the relay 10 is detected, the first detection column 2 is in contact with the terminal 101 of the relay 10, and the second detection column 3 is inserted into the wiring hole of the terminal 101 and is in contact with the bottom surface of the wiring hole.

When the first detection post 2 contacts the terminal 101 of the relay 10, the first detection post 2 can slide upwards, so that the hard impact terminal 101 is avoided, and the terminal 101 of the relay 10 can be better protected from being damaged during detection. The first detection column 2 is in surface contact with the wiring column 101, the contact area is large, the stress area of the wiring column 101 can be increased well, and therefore the conductivity can be increased; because the contact area is relatively large, the surface of the wiring terminal 101 of the relay 10 cannot be damaged due to pressure injury caused by the fact that the test contact stress area is too small.

When the second detects the bottom of a hole that post 3 contacted the wiring hole of terminal 101, the second detects post 3 and can upwards slide, avoids hard impact terminal 101, and the terminal 101 that can protect relay 10 better does not receive the damage when detecting. The second detection column 3 is in surface contact with the hole bottom of the wiring hole, the contact area is large, the stress area of the hole bottom of the wiring hole can be increased well, and therefore the conductivity can be increased; because the contact area is bigger, can not cause because test contact atress area undersize, cause the hole bottom of the wiring hole of relay 10 to receive the pressure damage and damage.

Specifically, since the relay 10 is provided with two terminals 101, the first detection post 2 and the second detection post 3 in the present embodiment are both provided in correspondence with the two terminals 101 on the relay 10, respectively. The diameter of the first detection post 2 is larger than that of the post 101. In this embodiment, be connected with two spliced poles 4 on the first post 2 that detects, two spliced poles 4 detect 3 symmetry settings for the second, and first two spliced poles 4 of connecting of post 2 that detect can improve the first stability that detects post 2. In other embodiments, three, four or even more connecting columns 4 can be connected to the first detecting column 2.

Optionally, the relay testing tool further includes a first elastic component 41 and a second elastic component 31, one end of the first elastic component 41 abuts against the connection column 4, the other end of the first elastic component abuts against the first support plate 11 or the second support plate 12, and the first elastic component 41 can enable the first detection column 2 to move towards the direction close to the relay 10. Specifically, the connecting column 4 is provided with a first stopping protrusion, and the first stopping protrusion is located between the first support plate 11 and the second support plate 12 and located at one side close to the second support plate 12. The first elastic component 41 is a spring, the connecting column 4 is sleeved with the spring, and two ends of the spring respectively abut against the first supporting plate 11 and the first stopping protrusion, i.e., the first elastic component 41 is located between the first supporting plate 11 and the second supporting plate 12. Under the acting force of the spring, the first stop protrusion stops on the second support plate 12 to limit the connecting column 4, and further limit the first detection column 2. Insulating mount pad 1 moves down, and when making first detection post 2 contact relay 10's terminal 101, first detection post 2 can upwards slide, avoids hard impact terminal 101, and the terminal 101 that can protect relay 10 better does not receive the damage when detecting. The first elastic component 41 is pressed against the wiring terminal 101 under the action force, so that the first detection column 2 can be guaranteed to be pressed against the wiring terminal 101 all the time, and the phenomenon of poor contact is avoided.

One end of the second elastic component 31 abuts against the second detecting column 3, and the other end abuts against the first supporting plate 11 or the second supporting plate 12, and the second elastic component 31 can enable the second detecting column 3 to move towards the direction close to the relay 10. Specifically, the second detecting column 3 is provided with a second stopping protrusion, and the second stopping protrusion is located between the second support plate 12 and the third support plate 13 and located at a side close to the third support plate 13. The second elastic component 31 is a spring, the spring is sleeved on the second detection column 3, and two ends of the spring respectively abut against the second support plate 12 and the second stopping protrusion, that is, the second elastic component 31 is located between the second support plate 12 and the third support plate 13. Since the distance between the connecting column 4 and the second detecting column 3 is relatively small, the second elastic member 31 and the first elastic member 41 are respectively located at two sides of the second supporting plate 12, so as to prevent the two from interfering with each other. Under the acting force of the spring, the second stopping protrusion abuts against the third support plate 13 to limit the second detection column 3. Insulating mount pad 1 moves down, and when making the second detect the bottom of a hole in post 3 contact terminal 101's wiring hole, the second detects post 3 and can upwards slide, avoids hard impact terminal 101, and the terminal 101 that can protect relay 10 better does not receive the damage when detecting. The second elastic component 31 is pressed against the wiring terminal 101, so that the second detection column 3 can be always pressed against the wiring terminal 101, and the phenomenon of poor contact is avoided.

Optionally, the relay testing tool further comprises a driving assembly 6, the supporting assembly 5 comprises a bracket 51 and a supporting table 52, the bracket 51 is fixed on the supporting table 52, the insulating mounting base 1 is slidably arranged on the bracket 51, and the driving assembly 6 can drive the insulating mounting base 1 to move towards or away from the relay 10. The driving component 6 drives the insulating mounting seat 1 to move towards the direction close to the relay 10 so as to detect the relay 10; after the completion of the test, the relay 10 is moved away from the relay 10 to replace the next relay 10 and the test is performed. One of the bracket 51 and the insulating mounting seat 1 is provided with a slide rail 54, and the other is provided with a slide block 14 matched with the slide rail 54. In this embodiment, the slide rail 54 is disposed on the bracket 51 in the vertical direction, and the slider 14 is disposed on the connecting plate of the insulating mounting base 1. The driving assembly 6 is a cylinder, and the output end of the cylinder is connected to the insulating mounting base 1. In other embodiments the drive assembly 6 may also be an electric or oil cylinder or the like. Optionally, the supporting assembly 5 further includes a positioning carrier 53, the positioning carrier 53 is fixed on the supporting platform 52, and the relay 10 is fixed on the positioning carrier 53, so as to detect the relay 10. The bottom of the support table 52 is provided with feet.

Optionally, this relay test fixture still includes detecting instrument 7 and detection plug 8, and first detection post 2 and second detection post 3 all are connected with detecting instrument 7 electricity. The first detection column 2 is connected through a conductive signal line connected between the connection column 4 and the detection instrument 7, and the two connection columns 4 on the first detection column 2 are connected to the same conductive signal line. The first detection column 2 is used for detecting the pull-in time, rebound, voltage, release time and voltage performance of the relay 10, and detection information is displayed on the detection instrument 7. The second detection column 3 is connected to the detection instrument 7 through a conductive signal line, the second detection column 3 is used for detecting the contact resistance and other properties of the relay 10, and detection information is displayed on the detection instrument 7. The detection plug 8 can be plugged into the relay 10, and the detection plug 8 is electrically connected with the detection instrument 7. The detection plug 8 is used for detecting the performance of the relay 10 such as coil power supply and coil resistance, and the detection information is displayed on the detection instrument 7.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a relay test fixture which characterized in that includes:

an insulating mounting base (1);

the first detection column (2) is arranged on the insulating mounting seat (1) in a sliding mode, and the first detection column (2) can move along the axis of the first detection column;

the second detection column (3) is arranged on the insulating mounting seat (1) in a sliding mode, the second detection column (3) can move along the axis of the second detection column, a first through hole (21) with the inner diameter larger than the outer diameter of the second detection column (3) is formed in the first detection column (2), and one end of the second detection column (3) penetrates through the first through hole (21) and is exposed out of the first through hole (21);

the relay (10) to be detected is placed on the supporting component (5), and the relay (10) is located below the insulating mounting seat (1);

when detecting relay (10), first detection post (2) contact in terminal (101) of relay (10), second detection post (3) insert in the terminal hole of terminal (101), with the bottom surface in terminal hole contacts.

2. The relay test tool according to claim 1, further comprising a connecting column (4), wherein the first detection column (2) is slidably connected with the insulating mounting seat (1) through the connecting column (4).

3. The relay testing tool according to claim 2, characterized in that the first detection column (2) is connected with two connection columns (4), and the two connection columns (4) are symmetrically arranged relative to the second detection column (3).

4. The relay testing tool according to claim 2, wherein a first support plate (11), a second support plate (12) and a third support plate (13) are arranged on the insulating mounting seat (1) side by side at intervals, and second through holes allowing the connecting column (4) to pass through and third through holes allowing the second detecting column (3) to pass through are formed in the first support plate (11), the second support plate (12) and the third support plate (13).

5. The relay testing tool according to claim 4, further comprising a first elastic component (41), wherein one end of the first elastic component (41) abuts against the connecting column (4), the other end of the first elastic component abuts against the first support plate (11) or the second support plate (12), and the first elastic component (41) can enable the first detection column (2) to move towards the direction close to the relay (10).

6. The relay testing tool according to claim 4, further comprising a second elastic component (31), wherein one end of the second elastic component (31) abuts against the second detecting column (3), and the other end of the second elastic component (31) abuts against the first support plate (11) or the second support plate (12), and the second elastic component (31) can enable the second detecting column (3) to move towards the relay (10).

7. The relay test tool according to claim 1, further comprising a detection instrument (7), wherein the first detection column (2) and the second detection column (3) are electrically connected with the detection instrument (7).

8. The relay test tool according to claim 7, further comprising a detection plug (8), wherein the detection plug (8) can be inserted into the relay (10), and the detection plug (8) is electrically connected with the detection instrument (7).

9. The relay testing tool according to claim 1, further comprising a driving assembly (6), wherein the supporting assembly (5) comprises a support (51), a support table (52) and a positioning carrier (53), the support (51) and the positioning carrier (53) are fixed on the support table (52), the insulating mounting seat (1) is slidably arranged on the support (51), the driving assembly (6) can drive the insulating mounting seat (1) to move towards or away from the relay (10), and the relay (10) is fixed on the positioning carrier (53).

10. The relay test tool according to claim 9, characterized in that the bracket (51) and the insulating mounting seat (1) are provided with a slide rail (54) and a slide block (14) matched with the slide rail (54).