CN213689696U

CN213689696U - Merging unit tester with relay protection function

Info

Publication number: CN213689696U
Application number: CN202022608924.3U
Authority: CN
Inventors: 李伟明; 赵振才; 杨大福
Original assignee: State Grid Jiangsu Electric Power Co ltd Xuyi Power Supply Branch
Current assignee: State Grid Jiangsu Electric Power Co ltd Xuyi Power Supply Branch
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-07-13
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a merging units tester with relay protection function, including first casing, the welding of one side of first casing has the handle, the welding of inside one side of first casing has the baffle, one side of baffle is installed the contact, the inside one side of baffle is installed the second conducting block, the inside one side of first casing is installed the first conducting block, the inside one side of first casing is installed the data acquisition integrated circuit board, the contact all electric connection with data acquisition integrated circuit board and second conducting block; when the device is used, if the wire is unqualified, current is transmitted to the melt through the second conductive block, the melt is heated and fused, the first spring pushes the third fixing plate, the third fixing plate extrudes the touch switch, the alarm is started to perform early warning protection on the device, and part of components of the device are prevented from being damaged; when the device is used, the second cover plate is arranged to be matched with the second shell and the third bolt, so that the melt can be conveniently replaced.

Description

Merging unit tester with relay protection function

Technical Field

The utility model relates to a tester technical field specifically is a merging cells tester with relay protection function.

Background

The tester, also called wire tester, is generally divided into three types, the first type is testing conduction, dislocation, short circuit and open circuit, the advantage can be accurately judged the AB end fault, the price is low, the speed is high, the large screen viewing result is more visual, the second type is adding a single side testing/insulating/high voltage function, the tester is used more as earphone wire, the testing speed is higher than the speed of the common high voltage instrument on the market, the AB end judgment is more accurate, the third type is used for testing the electronic wire with components, a four-wire testing mode is adopted, the parameters of the components can be accurately measured, the power system fault and the abnormal working condition endangering safe operation are researched, the anti-accident automation measure of the countermeasure is discussed, because the relay with contact is mainly used for protecting the power system and the components (generator, transformer, etc.) in the development process, Transmission line, etc.) to avoid it from damaging, so also called relay protection, the basic task is: when the power system has a fault or an abnormal working condition, the fault equipment is automatically cut off from the system in the shortest possible time and in the smallest possible area, or a signal is sent out to eliminate the source of the abnormal working condition by an operator on duty so as to reduce or avoid the damage of the equipment and the influence on the power supply of the adjacent area.

When the existing merging unit type tester is used, the access current exceeds the standard quantity due to unqualified access wires, so that the normal use of the merging unit tester is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a merging cells tester with relay protection function to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a merging unit tester with a relay protection function comprises a first shell, wherein a handle is welded on one side of the first shell, a partition plate is welded on one side inside the first shell, a contact is installed on one side of the partition plate, a second conductive block is installed on one side inside the partition plate, a first conductive block is installed on one side inside the first shell, a data acquisition board is installed on one side inside the first shell, the contact is electrically connected with the data acquisition board and the second conductive block, a second sliding rail is installed on one side inside the first shell, a second cover plate is hinged to one side of the first shell through a second pin shaft, a second fixing plate is welded on one side of the second cover plate, a second bolt is connected to the inner thread of the second fixing plate, one end of the second bolt is in threaded connection with the first shell, and a first spring is welded on one side of the second cover plate, a third fixing plate is welded at one end of the first spring, a third limiting block is welded at one side inside the second slide rail, a touch switch is arranged on one side of the third limiting block, an alarm is arranged on one side of the first shell, the electrical output end of the touch switch is electrically connected with the electrical input end of the alarm, two second limiting blocks are welded on two sides of the interior of the second slide rail, two second sliding blocks are connected inside the second sliding rail in a sliding manner, a second spring is welded on one side of each second sliding block, one end of the second spring is welded with the third limiting block, one side of the second sliding block is welded with the second shell, an arc-shaped groove is arranged on one side of the inner part of the second shell, a third bolt is connected with the inner part of the second shell through screw threads, and a rubber block is bonded at one end of the third bolt, and a melt is arranged in the second shell.

As further preferable in the present technical solution: the battery is installed to inside one side of first casing, the equal electric connection of electric property output and the data acquisition integrated circuit board of battery and the electric property input of alarm.

As further preferable in the present technical solution: the display screen is installed to one side of first casing, the electrical property output of battery and the electrical property input electric connection of display screen.

As further preferable in the present technical solution: one side of the first shell is hinged to a first cover plate through a first pin shaft, a first fixing plate is welded to one side of the first cover plate, a first bolt is connected to the inner thread of the first fixing plate, and one end of the first bolt is in threaded connection with the first shell.

As further preferable in the present technical solution: the utility model discloses a contact, including contact, one side joint of contact, rubber sleeve, two first slide rails are installed to the inside both sides of first casing, the inside sliding connection of first slide rail has first slider, inside one side of first casing is equipped with the inclined hole board, one side and the inclined hole board welding of first slider, inside one side threaded connection of first casing has the screw cap, one side welding of screw cap has first annular slab, the through-hole has been seted up to the inside of screw cap, one side welding of screw cap has the second annular slab, one side of second annular slab is passed through bearing and inclined hole board welding.

As further preferable in the present technical solution: two first limiting blocks are welded on two sides of the interior of the first sliding rail.

Compared with the prior art, the beneficial effects of the utility model are that:

when the device is used, if the wire is unqualified, current is transmitted to the melt through the second conductive block, the melt is heated and fused, the first spring pushes the third fixing plate, the third fixing plate extrudes the touch switch, and the alarm is started to perform early warning protection on the device, so that part of components of the device are prevented from being damaged;

when the device is used, the second cover plate is arranged to be matched with the second shell and the third bolt, so that the melt can be conveniently replaced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the internal structure of the screw cap according to the present invention;

FIG. 3 is a schematic side view of the first housing of the present invention;

fig. 4 is a schematic side view of the second housing according to the present invention.

In the figure: 1. a first annular plate; 2. a threaded cap; 3. a first housing; 4. a first pin shaft; 5. a first cover plate; 6. a grip; 7. a first fixing plate; 8. a first bolt; 9. an alarm; 10. a second pin shaft; 11. a second cover plate; 12. a second bolt; 13. a display screen; 14. a through hole; 15. a second annular plate; 16. a first slider; 17. a first slide rail; 18. a first stopper; 19. a rubber sleeve; 20. an inclined hole plate; 21. a bearing; 22. a second fixing plate; 23. a first spring; 24. a third fixing plate; 25. a third bolt; 26. a first conductive block; 27. a second housing; 28. a second limiting block; 29. a second slider; 30. a second spring; 31. a storage battery; 32. a second slide rail; 33. a touch switch; 34. a third limiting block; 35. a data acquisition board card; 36. a partition plate; 37. a second conductive block; 38. fixing the rod; 39. a contact; 40. an arc-shaped slot; 41. a rubber block; 42. and (4) melting the melt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a merging unit tester with a relay protection function comprises a first shell 3, a handle 6 is welded on one side of the first shell 3, a partition plate 36 is welded on one side inside the first shell 3, a contact 39 is installed on one side of the partition plate 36, a second conducting block 37 is installed on one side inside the partition plate 36, a first conducting block 26 is installed on one side inside the first shell 3, a data acquisition board card 35 is installed on one side inside the first shell 3, the contact 39 is electrically connected with the data acquisition board card 35 and the second conducting block 37, a second sliding rail 32 is installed on one side inside the first shell 3, a second cover plate 11 is hinged on one side of the first shell 3 through a second pin shaft 10, a second fixing plate 22 is welded on one side of the second cover plate 11, a second bolt 12 is connected to the internal thread of the second fixing plate 22, one end of the second bolt 12 is connected to the first shell 3 through a thread, a first spring 23 is welded on one side of the second cover plate 11, the welding of the one end of first spring 23 has third fixed plate 24, the welding of inside one side of second slide rail 32 has third stopper 34, touch switch 33 is installed to one side of third stopper 34, alarm 9 is installed to one side of first casing 3, touch switch 33's electrical property output and alarm 9's electrical property input end electric connection, the welding of the inside both sides of second slide rail 32 has two second stoppers 28, the inside sliding connection of second slide rail 32 has two second sliders 29, the welding of one side of second slider 29 has second spring 30, the one end and the welding of third stopper 34 of second spring 30, the welding of one side of second slider 29 has second casing 27, arc wall 40 has been seted up to inside one side of second casing 27, the inside threaded connection of second casing 27 has third bolt 25, the one end bonding of third bolt 25 has block of rubber 41, the inside of second casing 27 is equipped with fuse-element 42.

In this embodiment, specifically: the battery 31 is installed to inside one side of first casing 3, and the equal electric connection of electric property input of the electric property output of battery 31 and data acquisition integrated circuit board 35 and alarm 9 sets up battery 31 and supplies power for data acquisition integrated circuit board 35 and alarm 9.

In this embodiment, specifically: display screen 13 is installed to one side of first casing 3, and battery 31's electrical output end and display screen 13's electrical input end electric connection set up display screen 13 and show the data that data acquisition integrated circuit board 35 gathered.

In this embodiment, specifically: one side of first casing 3 articulates through first round pin axle 4 has first apron 5, and the welding of one side of first apron 5 has first fixed plate 7, and the internal thread of first fixed plate 7 is connected with first bolt 8, and the one end of

first bolt

8 and 3 threaded connection of first casing set up first apron 5 and be convenient for change or overhaul battery 31.

In this embodiment, specifically: contact 39's one side joint has rubber sleeve 19, rubber sleeve 19's both sides bond and have two dead levers 38, two first slide rails 17 are installed to the inside both sides of first casing 3, the inside sliding connection of first slide rail 17 has first slider 16, inside one side of first casing 3 is equipped with inclined hole board 20, one side and the welding of inclined hole board 20 of first slider 16, inside one side threaded connection of first casing 3 has screw cap 2, one side welding of screw cap 2 has first annular slab 1, through-hole 14 has been seted up to the inside of screw cap 2, one side welding of screw cap 2 has second annular slab 15, bearing 21 and the welding of inclined hole board 20 are passed through to one side of second annular slab 15, set up screw cap 2 cooperation inclined hole board 20 extrusion rubber sleeve 19, make the wire rod that is detected and be connected more stably with this device.

In this embodiment, specifically: two first limiting blocks 18 are welded on two sides of the interior of the first slide rail 17, and the first limiting blocks 18 are arranged to limit the sliding range of the first slide block 16.

Working principle or structure principle, during the use, during wire rod one end that will carry out the detection is inserted in through-hole 14, make its one end and contact 39, rotate screw cap 2, screw cap 2 drives inclined hole board 20 through second annular plate 15 and moves, make inclined hole board 20 extrude rubber sleeve 19, make rubber sleeve 19 hold tightly the wire rod, fix the wire rod with this device, insert the wire rod into the power, if the wire rod quality is unqualified, when the power is excessive, the electric current of second conducting block 37 guide passes through fuse-element 42 and removes to first conducting block 26, fuse-element 42 is overheated fusing, first spring 23 promotes third fixed plate 24, make its extrusion touch switch 33, start alarm 9 and carry out relay protection to this device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a merging units tester with relay protection function, includes first casing (3), its characterized in that: the welding of one side of first casing (3) has handle (6), the welding of inside one side of first casing (3) has baffle (36), contact (39) are installed to one side of baffle (36), second conducting block (37) are installed to inside one side of baffle (36), first conducting block (26) are installed to inside one side of first casing (3), data acquisition integrated circuit board (35) are installed to inside one side of first casing (3), contact (39) and data acquisition integrated circuit board (35) and second conducting block (37) all electric connection, second slide rail (32) are installed to inside one side of first casing (3), one side of first casing (3) articulates through second round pin axle (10) has second apron (11), the welding of one side of second apron (11) has second fixed plate (22), the internal thread of second fixed plate (22) is connected with second bolt (12), one end of the second bolt (12) is in threaded connection with the first shell (3), one side of the second cover plate (11) is welded with the first spring (23), one end of the first spring (23) is welded with the third fixing plate (24), one side of the inside of the second sliding rail (32) is welded with the third limiting block (34), one side of the third limiting block (34) is provided with the touch switch (33), one side of the first shell (3) is provided with the alarm (9), the electrical output end of the touch switch (33) is electrically connected with the electrical input end of the alarm (9), two second limiting blocks (28) are welded on two sides of the inside of the second sliding rail (32), two second sliding blocks (29) are connected to the inside of the second sliding rail (32) in a sliding manner, one side of the second sliding block (29) is welded with the second spring (30), one end of the second spring (30) is welded with the third limiting block (34), one side welding of second slider (29) has second casing (27), arc wall (40) have been seted up to inside one side of second casing (27), the inside threaded connection of second casing (27) has third bolt (25), the one end of third bolt (25) bonds and has block rubber (41), the inside of second casing (27) is equipped with fuse-element (42).

2. The merging-unit tester with relay protection function according to claim 1, characterized in that: the battery (31) is installed to inside one side of first casing (3), the equal electric connection of electric property input of the electric property output of battery (31) and data acquisition integrated circuit board (35) and alarm (9).

3. The merging-unit tester with relay protection function according to claim 2, characterized in that: display screen (13) are installed to one side of first casing (3), the electrical property output of battery (31) and the electrical property input electric connection of display screen (13).

4. The merging-unit tester with relay protection function according to claim 1, characterized in that: one side of first casing (3) articulates through first round pin axle (4) has first apron (5), one side welding of first apron (5) has first fixed plate (7), the internal thread of first fixed plate (7) is connected with first bolt (8), the one end and the first casing (3) threaded connection of first bolt (8).

5. The merging-unit tester with relay protection function according to claim 1, characterized in that: one side of the contact (39) is clamped with a rubber sleeve (19), two fixed rods (38) are bonded on two sides of the rubber sleeve (19), two first sliding rails (17) are arranged on two sides in the first shell (3), a first sliding block (16) is connected inside the first sliding rail (17) in a sliding manner, an inclined hole plate (20) is arranged on one side inside the first shell (3), one side of the first sliding block (16) is welded with the inclined hole plate (20), one side of the inner part of the first shell (3) is connected with a threaded cover (2) in a threaded manner, a first annular plate (1) is welded on one side of the threaded cover (2), a through hole (14) is formed in the threaded cover (2), and a second annular plate (15) is welded on one side of the threaded cover (2), and one side of the second annular plate (15) is welded with the inclined hole plate (20) through a bearing (21).

6. The merging-unit tester with relay protection function according to claim 5, characterized in that: two first limiting blocks (18) are welded on two sides of the interior of the first sliding rail (17).