CN218068177U

CN218068177U - Test tool for microcomputer protection device

Info

Publication number: CN218068177U
Application number: CN202222411496.4U
Authority: CN
Inventors: 郭锋; 丁瑞; 谢童
Original assignee: Naho Electric Power Technology Co ltd
Current assignee: Naho Electric Power Technology Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2022-12-16
Anticipated expiration: 2032-09-09

Abstract

The utility model provides a test fixture for computer protection device, include: the base is fixedly provided with a wiring terminal table connected with the test equipment; the contact assembly is provided with a contact plate movably arranged on the base and a plurality of probes arranged on the contact plate, one ends of the probes are connected with the wiring terminal table through wires, the contact plate is provided with an initial position and a testing position for driving the other ends of the probes to be in contact with the wiring terminal of the microcomputer protection device; the operating mechanism is connected with the contact plate and is suitable for driving the contact plate to be switched between the initial position and the testing position in a reciprocating mode; the travel switch is arranged on the base and connected with the testing equipment, when the contact plate is at an initial position, the contact plate is separated from the travel switch, and the probe is in a power-off state; in the process that the contact plate moves from the initial position to the test position, the probe contacts with the wiring terminal firstly, contacts with the travel switch after the contact plate and triggers the state of the change-over switch, and controls the test equipment to electrify the probe.

Description

Test tool for microcomputer protection device

Technical Field

The utility model relates to an electric power system protection device technical field, concretely relates to a test fixture for computer protection device.

Background

The microcomputer relay protection device is mainly used for distribution and power supply equipment with the voltage grade below 10KV, ring net cages and high and low voltage cabinets. The testing tool comprises a movable plate and a conductive probe arranged on the movable plate, wherein the conductive probe is suitable for abutting against a wiring terminal of the microcomputer relay protection device.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the easy defect of damaging of conductive probe among the prior art to a long service life's a test fixture for microcomputer protection device is provided.

Therefore, the utility model provides a test fixture for a microcomputer protection device, which comprises a base, a contact component, an operating mechanism and a travel switch, wherein the base is fixedly provided with a wiring terminal table connected with test equipment; the contact assembly is provided with a contact plate movably arranged on the base and a plurality of probes arranged on the contact plate, one ends of the probes are connected with the wiring terminal table through wires, the contact plate is provided with an initial position and a testing position for driving the other ends of the probes to be in contact with the wiring terminal of the microcomputer protection device; the operating mechanism is connected with the contact plate and is suitable for driving the contact plate to be switched between the initial position and the testing position in a reciprocating mode; the travel switch is arranged on the base and connected with the testing equipment, when the contact plate is at the initial position, the contact plate is separated from the travel switch, and the probe is in a power-off state; in the process that the contact plate moves from the initial position to the testing position, the contact plate drives the probes to contact with the wiring terminals, then contacts with the travel switches and triggers the switching states of the travel switches, and the testing equipment is controlled to electrify the probes.

The operating mechanism comprises an operating handle, a main shaft, a first push rod and a second push rod, the operating handle is fixed on the main shaft and is suitable for driving the main shaft to rotate around the main shaft in the axial direction, one end of the first push rod is fixedly connected with the main shaft, the other end of the first push rod is hinged to the second push rod, and the end part, far away from the first push rod, of the second push rod is hinged to the contact plate.

The test device also comprises a limiting structure which is suitable for preventing the operating handle from continuously rotating when the contact plate moves to the test position.

The limiting structure comprises a stroke limiting block which is fixed on the second push rod and extends towards the direction of the first push rod, wherein the stroke limiting block abuts against the first push rod when in the testing position; when the contact plate moves from the testing position to the initial position, the stroke limiting block is separated from the first push rod.

Still include the extension spring, the one end of extension spring with the contact plate hook is connected, the other end with fixed block hook on the base is connected, the extension spring is suitable for the drive the contact plate is followed test position resets to initial position.

The device also comprises a guide positioning structure suitable for driving the contact plate to integrally translate, wherein the guide positioning structure comprises: the two positioning seats are fixed on the base, and through holes for the positioning rods to penetrate through are formed in the positioning seats; and the two positioning rods are arranged in parallel relatively and are fixedly connected with the two sides of the contact plate respectively.

The base is provided with a T-shaped first support suitable for mounting the main shaft, the base is provided with a strip hole parallel to the moving direction of the contact plate in a forming mode, the bottom of the first support is provided with a through hole corresponding to the strip hole in a forming mode, and a bolt assembly penetrates through the through hole and the strip hole in sequence and then fixes the first support and the base.

Be equipped with on the base and be suitable for the fixed computer protection device's second support, the second support includes: the two L-shaped lugs oppositely form a mounting groove suitable for placing the microcomputer protection device; and the cushion block is arranged between the two L-shaped convex blocks and is suitable for supporting the microcomputer protection device.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a test fixture for microcomputer protection device, when the contact plate moves to the in-process of test position from initial position, the contact plate first moves probe and binding post contact, then contacts with travel switch and triggers its change over switch state, and control test equipment and energize for the probe, promptly the probe just can energize after contacting with binding post of microcomputer protection device, can not produce the electric spark like this, has prolonged the life of probe; in addition, the operation of a tester is facilitated, and frequent manual switching of the testing equipment by the tester is avoided.

2. The utility model provides a test fixture for computer protection device, the manual operating handle that passes through of testing personnel drives the main shaft and rotates to make the contained angle between first push rod and the second push rod change, switch between initial position and test position with driving the contact plate, efficiency of software testing is high like this, has avoided manual wiring.

3. The utility model provides a test fixture for computer protection device, limit structure including be fixed in on the second push rod, and towards the stroke stopper that first push rod direction extends, wherein, when the test position, stroke stopper offsets with first push rod to avoid appearing driving the condition that the contact plate removed towards initial position direction because of operating handle continues to rotate, more convenience of customers uses.

4. The utility model provides a test fixture for computer protection device is equipped with the first support of T shape that is suitable for the installation main shaft on the base, and the shaping has the rectangular hole with contact plate moving direction parallel arrangement on the base, and the bottom shaping of first support has the through-hole that corresponds the setting with the rectangular hole, and after bolt assembly passed through-hole and rectangular hole in proper order, it was fixed with first support and base. The tester can flexibly adjust the positions of the first support and the contact plate according to the microcomputer protection devices with different sizes, and the universality is higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a testing tool (with a contact plate at an initial position) for a microcomputer protection device according to the present invention;

FIG. 2 is a first perspective view of the test fixture (with the contact plate in the testing position);

FIG. 3 is a schematic diagram of the exploded structure of FIG. 2;

FIG. 4 is a second perspective view of the test fixture (with the contact plate in the testing position);

FIG. 5 is a schematic view of the operating mechanism with the contact plate in the initial position;

fig. 6 is a schematic structural diagram of the operating mechanism when the contact plate is in the testing position.

Description of reference numerals: 1. a base; 2. a terminal block; 3. a contact plate; 4. a probe; 5. a microcomputer protection device; 6. a wiring terminal; 7. a travel switch; 8. an operating handle; 9. a main shaft; 10. a travel limit block; 11. a first push rod; 12. a second push rod; 13. a fixed block; 14. positioning seats; 15. positioning a rod; 16. a first bracket; 17. a strip hole; 18. a through hole; 19. a second bracket; 20. an L-shaped projection; 21. and a cushion block.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

The embodiment provides a test fixture for a microcomputer protection device, which comprises a base 1, a contact assembly, an operating mechanism and a travel switch 7.

The contact assembly, as shown in fig. 1 and 2, has a contact plate 3 movably mounted on the base 1, and a plurality of probes 4 disposed on the contact plate 3, one end of the probe 4 is connected to the connection terminal block 2 by a wire, the contact plate 3 has an initial position, and a test position for driving the other end of the probe 4 to contact with the connection terminal 6 of the microcomputer protection device 5. It should be noted that the probe 4 is a spring probe, and the spring probe is a mature technology in the prior art, so the internal structure and the working principle thereof are not described in detail.

As shown in fig. 3, the operating mechanism includes a T-shaped first bracket 16, an operating handle 8, a main shaft 9, a first push rod 11, a second push rod 12, and a limiting structure, the operating handle 8 is fixed on the main shaft 9 and is adapted to drive the main shaft 9 to rotate around its axial direction, one end of the first push rod 11 is fixedly connected to the main shaft 9, the other end of the first push rod 11 is hinged to the second push rod 12, and an end of the second push rod 12 away from the first push rod 11 is hinged to the contact plate 3. A limiting structure, which is suitable for preventing the operating handle 8 from rotating continuously when the contact plate 3 moves to the testing position; the limiting structure comprises a stroke limiting block 10 which is fixed on the second push rod 12 and extends towards the first push rod 11, wherein, at the testing position as shown in fig. 4 and 6, the stroke limiting block 10 is abutted against the first push rod 11; when the contact plate 3 moves from the testing position to the initial position as shown in fig. 5, the stroke stopper 10 is separated from the first push rod 11. The base 1 is formed with a long hole 17 arranged parallel to the moving direction of the contact plate 3, the bottom of the first support 16 is formed with a through hole 18 arranged corresponding to the long hole 17, and a bolt assembly sequentially penetrates through the through hole 18 and the long hole 17 to fix the first support 16 and the base 1.

And one end of a tension spring (not shown in the figure) is connected with the contact plate 3 in a hooking mode, the other end of the tension spring is connected with a fixed block 13 on the base 1 in a hooking mode, and the tension spring is suitable for driving the contact plate 3 to reset to the initial position from the testing position.

The travel switch 7 is arranged on the base and connected with the test equipment, when the contact plate 3 is at the initial position, the contact plate 3 is separated from the travel switch 7, and the probe 4 is in a power-off state; in the process that the contact plate 3 moves from the initial position to the test position, the probe 4 firstly contacts with the wiring terminal 6, and the contact plate 3 then contacts with the travel switch 7 to trigger the switch state of the travel switch, and controls the test equipment to electrify the probe.

A base 1, one end of which is fixedly provided with a wiring terminal table 2 connected with a test device, the other end of which is provided with a second bracket 19 suitable for fixing the microcomputer protection device 5, wherein the second bracket 19 comprises: two L-shaped lugs 20 oppositely forming a mounting groove suitable for placing the microcomputer protection device 5; and the cushion block 21 is arranged between the two L-shaped convex blocks 20 and is suitable for supporting the microcomputer protection device 5. And a guiding and positioning structure suitable for driving the contact plate 3 to integrally translate, wherein the guiding and positioning structure comprises: the two positioning seats 14 are fixed on the base 1, and through holes for the positioning rods 15 to penetrate through are formed in the positioning seats 14; and the two positioning rods 15 are arranged in parallel relatively and are fixedly connected with the two sides of the contact plate 3 respectively.

The utility model provides a test fixture for computer protection device, when contact plate 3 removed to the in-process of test position from initial position, contact plate 3 first moved probe 4 and binding post 6 contact, then contacted with travel switch 7 and triggered its change over switch state to control test equipment and energize for the probe, namely can energize after probe 4 and binding post 6 contact of computer protection device 5, can not produce the electric spark like this, prolonged the life of probe; in addition, the operation of testers is facilitated, and frequent manual switching of the testing equipment by the testers is avoided.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. 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. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a test fixture for computer protection device which characterized in that includes:

the testing device comprises a base (1) and a testing device, wherein a wiring terminal table (2) connected with the testing device is fixedly arranged on the base;

the contact assembly is provided with a contact plate (3) movably mounted on the base (1) and a plurality of probes (4) arranged on the contact plate (3), one ends of the probes (4) are connected with the wiring terminal block (2) through wires, the contact plate (3) is provided with an initial position and a testing position for driving the other ends of the probes (4) to be in contact with a wiring terminal (6) of the microcomputer protection device (5);

the operating mechanism is connected with the contact plate (3) and is suitable for driving the contact plate (3) to be switched between the initial position and the testing position in a reciprocating mode;

the travel switch (7) is arranged on the base (1) and connected with the testing equipment, when the contact plate (3) is at the initial position, the contact plate (3) is separated from the travel switch (7), and the probe (4) is in a power-off state; in the process that the contact plate (3) moves from the initial position to the testing position, the contact plate (3) drives the probes (4) to be in contact with the wiring terminals (6), then contacts the travel switches (7) and triggers the switching states of the travel switches, and the testing equipment is controlled to electrify the probes (4).

2. The test tool for the microcomputer protection device according to claim 1, wherein the operating mechanism comprises an operating handle (8), a spindle (9), a first push rod (11) and a second push rod (12), the operating handle (8) is fixed on the spindle (9) and is suitable for driving the spindle (9) to rotate around the axial direction of the spindle, one end of the first push rod (11) is fixedly connected with the spindle (9), the other end of the first push rod is hinged to the second push rod (12), and the end, far away from the first push rod (11), of the second push rod (12) is hinged to the contact plate (3).

3. The tool for testing the microcomputer protection device according to claim 2, characterized by further comprising a limiting structure adapted to prevent the operating handle (8) from continuing to rotate when the contact plate (3) moves to the testing position.

4. The testing tool for the microcomputer protection device according to claim 3, wherein the limiting structure comprises a stroke limiting block (10) fixed on the second push rod (12) and extending towards the first push rod (11), wherein the stroke limiting block (10) abuts against the first push rod (11) in the testing position; when the contact plate (3) moves from the test position to the initial position, the stroke limiting block (10) is separated from the first push rod (11).

5. The testing tool for the microcomputer protection device according to any one of claims 2 to 4, characterized by further comprising a tension spring, wherein one end of the tension spring is connected with the contact plate (3) in a hooking manner, the other end of the tension spring is connected with a fixed block (13) on the base (1) in a hooking manner, and the tension spring is suitable for driving the contact plate (3) to reset from the testing position to the initial position.

6. The testing tool for the microcomputer protection device according to claim 1, further comprising a guiding and positioning structure adapted to drive the contact plate (3) to integrally translate, wherein the guiding and positioning structure comprises:

the two positioning seats (14) are fixed on the base (1), and through holes for the positioning rods (15) to penetrate through are formed in the positioning seats (14);

and the two positioning rods (15) are arranged in parallel relatively and are respectively fixedly connected with the two sides of the contact plate (3).

7. The test tool for the microcomputer protection device according to claim 2, wherein a T-shaped first support (16) suitable for mounting the spindle (9) is arranged on the base (1), a long hole (17) parallel to the moving direction of the contact plate (3) is formed in the base (1), a through hole (18) corresponding to the long hole (17) is formed in the bottom of the first support (16), and a bolt assembly sequentially penetrates through the through hole (18) and the long hole (17) to fix the first support (16) and the base (1).

8. The testing tool for the microcomputer protection device according to claim 1, wherein a second bracket (19) suitable for fixing the microcomputer protection device (5) is arranged on the base (1), and the second bracket (19) comprises:

two L-shaped lugs (20) which are oppositely formed into mounting grooves suitable for placing the microcomputer protection device (5);

and the cushion block (21) is arranged between the two L-shaped convex blocks (20) and is suitable for supporting the microcomputer protection device (5).