CN217009726U

CN217009726U - Microcomputer measurement and control protection device with intelligent override trip prevention function

Info

Publication number: CN217009726U
Application number: CN202220596410.7U
Authority: CN
Inventors: 盛武军
Original assignee: Nanjing Guochen Electric Control Co ltd
Current assignee: Nanjing Guochen Electric Control Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-07-19
Anticipated expiration: 2032-03-18

Abstract

The utility model relates to the technical field of microcomputer measurement and control, in particular to a microcomputer measurement and control protection device with an intelligent override trip prevention function. Before the test, the connecting line plug can be clamped in the limiting rubber pad, and the clamping block can drive the connecting line plug to be quickly separated from the interface only by pressing the pressing block, so that the function of quick disconnection is achieved.

Description

Microcomputer measurement and control protection device with intelligent override trip prevention function

Technical Field

The utility model relates to the technical field of microcomputer measurement and control, in particular to a microcomputer measurement and control protection device with an intelligent override trip prevention function.

Background

The microcomputer relay protection tester is an important testing tool for ensuring the safe and reliable operation of an electric power system, is a relatively common microcomputer measurement and control protection device, is widely applied to various fields of line protection, main transformer differential protection, excitation control and the like, and the existing microcomputer relay protection tester also has the function of intelligent override trip prevention, when the microcomputer relay protection tester is used, the interface of the surface of the instrument is plugged by a connecting wire so as to output current and voltage for detection, however, in the testing process, the cable needs to be frequently plugged and unplugged, and sometimes the connection needs to be broken urgently, because the interface is small, the cable plug is not easy to align, therefore, the frequent plugging and unplugging of the cable is troublesome, and unnecessary abrasion is easily caused to the interface, so a microcomputer measurement and control protection device with an intelligent override trip prevention function is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a microcomputer measurement and control protection device with an intelligent override trip prevention function, which solves the problems that in the test process, a cable needs to be frequently plugged and unplugged and sometimes needs to be disconnected emergently, and when the cable is plugged, because an interface is small, a cable plug is not easy to align, the cable is troublesome to be frequently plugged and unnecessary abrasion is easily caused to the interface.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a computer measurement and control protection device with intelligence is prevented tripping operation function more, includes instrument body and connecting wire interface, the front surface of instrument body is provided with the connecting wire interface, and the downside of connecting wire interface is provided with the fixing base, the spout has been seted up to the upper end of fixing base, and sliding connection has the slider in the spout, the upper end fixedly connected with clamp splice of slider, and the clamp splice is close to the one end of connecting wire interface and has seted up spacing recess, and this device can come to move the direction and spacing the joint through the clamp splice to make things convenient for frequent grafting of joint, and can guarantee to connect and aim at with the connecting wire interface, produce the unnecessary loss to the connecting wire interface when reducing frequently to pull out the plug connector.

Preferably, transversely be provided with first spring in the spout, both ends offset with the rear end of slider and the rear side inner wall of spout respectively around the first spring, be provided with stop gear in the slider, this structure is used for pushing forward the slider is quick through the compound elasticity of first spring, causes the clamp splice to drive to connect quick extracting from the connecting wire interface to make things convenient for disconnected connecting joint.

Preferably, the inner wall veneer of spacing recess has spacing cushion, and the upper end opening interval of spacing cushion steadilys decrease from inside to outside, the opening corner of spacing cushion is convex, anti-skidding line has evenly been seted up on the inner wall of spacing cushion, and this structure is used for utilizing spacing cushion to carry out the block spacing to the joint, plays fixed effect for the joint can be followed the clamp splice and removed in the lump, thereby conveniently pulls out and inserts.

Preferably, the front end of the clamping block is provided with a limiting groove, the limiting groove is U-shaped, and the structure is used for clamping and positioning the connecting wire of the butt joint so as to avoid the interference of the connecting wire butt joint in the limiting groove.

Preferably, the ball is installed to the lateral wall of slider, the guide slot has been seted up to the inner wall of spout, the ball rolls in the guide slot, and this structure makes the slider move in the spout through the ball along the guide slot, reduces slider and spout inner wall direct contact's area, drives sliding friction through rolling friction to increase the smooth degree that the slider removed in the spout.

Preferably, the front end inner wall veneer of spout has the crashproof cushion, and the front end laminating of crashproof cushion and slider, this structure is used for when the slider is because the resilience of first spring fast travel forward, carries on spacingly and cushions the slider through the crashproof cushion to avoid the front end inner wall of slider striking spout.

Preferably, the limiting mechanism comprises a movable groove, the side wall of the sliding block is provided with the movable groove, a clamping block is movably mounted at an opening of the movable groove, a second spring is transversely arranged in the movable groove, the inner end of the clamping block abuts against the end of the second spring, the inner wall of the sliding groove is provided with a clamping groove, a movable rod is movably inserted in the outer end of the clamping groove, the movable rod is fixedly connected with the pressing block, the structure is used for locking the sliding block, the sliding block can be kept at the rear side of the fixing seat, the first spring is in a compression state, the pressing block can be pressed when emergency disconnection is needed, the clamping block is separated from the clamping groove, and the first spring can rapidly push the sliding block backwards and forwards through complex elasticity, so that rapid disconnection is achieved.

Compared with the prior art, the utility model has the beneficial effects that: in the utility model, before the test, a connecting line plug can be clamped in the limiting rubber pad, the clamping block is pushed backwards to drive the plug to be inserted into the connecting line interface, when the clamping block moves backwards, the first spring is compressed, after the plug is completely inserted into the connecting line interface, the clamping block can be automatically inserted into the clamping groove to lock the sliding block, thus when the emergency disconnection is required, only the pressing block is pressed to withdraw the clamping block from the clamping groove, then the first spring pushes the clamping block forwards through the resilience force to automatically reset, so that the clamping block drives the connecting line plug to be quickly separated from the interface, thereby achieving the function of quick disconnection, simultaneously, the sliding groove guides and limits the movement of the sliding block, the clamping block can only perform straight transverse movement, thus the connecting line plug clamped in the clamping block can be always aligned with the connecting line interface, thereby facilitating the frequent plugging of the plug, and the abrasion to the connecting line interface can be reduced.

Description of the 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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 schematic front view of the structure of the present invention;

FIG. 2 is an enlarged partial view of A of FIG. 1 according to the present invention;

FIG. 3 is a rear view of the structure of the clamping block of the present invention;

FIG. 4 is a schematic side sectional view of the fixing base of the present invention;

FIG. 5 is a schematic top sectional view of a fixing base of the present invention.

In the figure: 1. an instrument body; 2. a connecting wire interface; 3. a fixed seat; 4. a chute; 5. a first spring; 6. a slider; 7. a clamping block; 8. a limiting groove; 9. a limiting rubber cushion; 10. a limiting groove; 11. a ball bearing; 12. a guide groove; 13. an anti-collision rubber cushion; 14. a movable groove; 15. a clamping block; 16. a second spring; 17. a card slot; 18. a movable rod; 19. and pressing the block.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: a microcomputer measurement and control protection device with an intelligent override trip prevention function comprises an instrument body 1 and a connecting line interface 2, wherein the connecting line interface 2 is arranged on the front surface of the instrument body 1, and the lower side of the connecting wire interface 2 is provided with a fixed seat 3, the rear end of the fixed seat 3 is fixedly connected with the front surface of the instrument body 1, the upper end of the fixed seat 3 is provided with a sliding groove 4, a slide block 6 is connected in the slide groove 4 in a sliding way, a first spring 5 is transversely arranged in the slide groove 4, the front end and the rear end of the first spring 5 are respectively abutted against the rear end of the slide block 6 and the inner wall of the rear side of the slide groove 4, a limiting mechanism is arranged in the slide block 6, a clamping block 7 is fixedly connected at the upper end of the slide block 6, a limiting groove 8 is formed in one end, close to the connecting line interface 2, of the clamping block 7, and the center point of the arc concave surface of the limiting groove 8 and the center point of the connecting line interface 2 are located on the same horizontal plane;

further, the inner wall of the limiting groove 8 is glued with a limiting rubber pad 9, the distance between the openings at the upper end of the limiting rubber pad 9 decreases progressively from inside to outside, the opening corners of the limiting rubber pad 9 are arc-shaped, anti-skid lines are uniformly arranged on the inner wall of the limiting rubber pad 9, and the anti-skid lines are arranged on the inner wall of the concave surface of the limiting groove 8 at equal intervals.

Furthermore, the front end of the clamping block 7 is provided with a limiting groove 10, the limiting groove 10 is U-shaped, and the central point of the arc of the limiting groove 10 and the central point of the arc of the limiting groove 8 are positioned on the same horizontal plane.

Further, the ball 11 is installed to the lateral wall of slider 6, and guide slot 12 has been seted up to the inner wall of spout 4, and ball 11 rolls in guide slot 12, and ball 11 equidistance is installed on the lateral wall of slider 6.

Further, the front end inner wall of spout 4 is glued and is had crashproof cushion 13, and crashproof cushion 13 and the front end laminating of slider 6.

Further, stop gear includes movable groove 14, movable groove 14 has been seted up to the lateral wall of slider 6, and movable groove 14's opening part movable mounting has fixture block 15, transversely be provided with second spring 16 in the movable groove 14, the inner of fixture block 15 offsets with the end of second spring 16, draw-in groove 17 has been seted up to the inner wall of spout 4, and the outer end activity of draw-in groove 17 is inserted and is equipped with movable rod 18, movable rod 18 with press 19 fixed connection of briquetting, press 19 surface of briquetting and seted up anti-skidding line, the length of movable rod 18 is greater than the length of draw-in groove 17, the external diameter of fixture block 15 is less than the internal diameter of draw-in groove 17.

The working principle is as follows: before use, the connector of the connecting line can be clamped in the clamping block 7, the connector can prop open two ends of an opening of the limiting rubber pad 9 by extrusion, then after the connector is completely clamped in the limiting rubber pad 9, the rear end of the connector is propped against the inner wall of the limiting groove 8, a cable needs to be clamped in the limiting groove 10, then when the connector is used, the clamping block 7 only needs to be pushed towards the connecting line interface 2, the clamping block 7 drives the connector to be inserted into the connecting line interface 2, meanwhile, the clamping block 7 can drive the sliding block 6 to move backwards in the sliding groove 4 along the guide groove 12 through the ball 11, and can compress the first spring 5, after the connector is completely inserted into the connecting line interface 2, the clamping block 15 can be aligned with the clamping groove 17, then, the second spring 16 in a compression state can push the clamping block 15 from the movable groove 14 through the complex elasticity, then, the clamping block 15 can be inserted into the clamping groove 17 to limit the sliding block 6, after the disconnection needs to be carried out, the pressing block 19 is only required to be pressed, so that the pressing block 19 drives the movable rod 18 to push the fixture block 15 out of the clamping groove 17, and then the first spring 5 in the compressed state pushes the slider 6 to reset through the resilience, so that the slider 6 drives the clamping block 7 to move forward, and the clamping block 7 drives the joint to be separated from the connecting line interface 2 through the limiting rubber pad 9.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a computer measurement and control protection device with intelligence is prevented tripping operation function that surpasses, includes instrument body (1) and connecting wire interface (2), its characterized in that: the instrument body comprises an instrument body (1), and is characterized in that a connecting line interface (2) is arranged on the front surface of the instrument body, a fixing seat (3) is arranged on the lower side of the connecting line interface (2), a sliding groove (4) is formed in the upper end of the fixing seat (3), a sliding block (6) is connected in the sliding groove (4), a clamping block (7) is fixedly connected to the upper end of the sliding block (6), and a limiting groove (8) is formed in one end, close to the connecting line interface (2), of the clamping block (7).

2. The microcomputer measurement and control protection device with the intelligent override trip prevention function according to claim 1, characterized in that: the improved sliding block is characterized in that a first spring (5) is transversely arranged in the sliding groove (4), the front end and the rear end of the first spring (5) respectively abut against the rear end of the sliding block (6) and the inner wall of the rear side of the sliding groove (4), and a limiting mechanism is arranged in the sliding block (6).

3. The microcomputer measurement and control protection device with the intelligent override trip prevention function according to claim 1, characterized in that: the inner wall of the limiting groove (8) is glued with a limiting rubber pad (9), the distance between the openings at the upper end of the limiting rubber pad (9) decreases progressively from inside to outside, the opening corners of the limiting rubber pad (9) are arc-shaped, and anti-skid lines are uniformly arranged on the inner wall of the limiting rubber pad (9).

4. The microcomputer measurement and control protection device with the intelligent override trip prevention function according to claim 1, characterized in that: the front end of the clamping block (7) is provided with a limiting groove (10), and the limiting groove (10) is U-shaped.

5. The microcomputer measurement and control protection device with the intelligent override trip prevention function according to claim 1, characterized in that: ball (11) are installed to the lateral wall of slider (6), guide slot (12) have been seted up to the inner wall of spout (4), ball (11) roll in guide slot (12).

6. The microcomputer measurement and control protection device with the intelligent override trip prevention function according to claim 1, characterized in that: the front end inner wall veneer of spout (4) has crashproof cushion (13), and crashproof cushion (13) and the front end laminating of slider (6).

7. The microcomputer measurement and control protection device with the intelligent override trip prevention function according to claim 2, characterized in that: stop gear is including activity groove (14), activity groove (14) have been seted up to the lateral wall of slider (6), and the opening part movable mounting in activity groove (14) has fixture block (15), transversely be provided with second spring (16) in activity groove (14), the inner of fixture block (15) offsets with the end of second spring (16), draw-in groove (17) have been seted up to the inner wall of spout (4), and the outer end activity of draw-in groove (17) is inserted and is equipped with movable rod (18), movable rod (18) and pressing block (19) fixed connection.