CN212905150U

CN212905150U - Loop resistance tester suitable for various measuring environments

Info

Publication number: CN212905150U
Application number: CN202021886088.9U
Authority: CN
Inventors: 陈爱华; 戴俊辉; 陈梅哥; 戴金森
Original assignee: Guangzhou Ruiqi Electromechanical Equipment Co ltd
Current assignee: Guangzhou Ruiqi Electromechanical Equipment Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-04-06
Anticipated expiration: 2030-09-02

Abstract

The utility model relates to the technical field of resistance tester, and discloses a loop resistance tester suitable for various measuring environments, wherein an operation box body is movably sleeved on the left side of an inner cavity of an outer box body, dustproof filter screens are fixedly connected on the left and right surfaces of the operation box body, a heat conduction fan is fixedly connected on the right surface of the dustproof filter screen, a heat dissipation plate is fixedly connected on the right surface of the heat conduction fan, a division plate is fixedly connected on the right end of the inner cavity of the outer box body, telescopic supporting components are fixedly connected on the lower surface corners of the outer box body, damping components are fixedly connected on the left and right surfaces of the operation box body, the telescopic supporting components can support the device to measure under different height requirements, a non-slip mat can prevent the device from sliding in work, the heat dissipation plate and the heat conduction fan can lead out the heat in the operation box body, the dustproof filter screens can prevent the circuit from being damaged due to dust entering the device, and the damping components can, the device is protected better.

Description

Loop resistance tester suitable for various measuring environments

Technical Field

The utility model relates to a resistance tester technical field specifically is a loop resistance tester who is fit for multiple measuring environment.

Background

The loop resistance tester is a special instrument for contact resistance and loop resistance of switch control equipment, the test current adopts 100A direct current recommended by national standard GB763, the loop resistance or the contact resistance can be directly tested under the condition of 100A, 200A, 300A,400A,500A or 600A current and can be directly displayed and also stored on the instrument, the maximum group number is 100 groups, the stored data can be communicated with an upper computer through an RS232 interface and uploaded to a computer for storage or printing, and the instrument has accurate measurement and stable performance and is suitable for requirements of high-voltage switch maintenance and high-voltage switch factory loop resistance test of power and power supply field departments.

However, the conventional loop resistance tester is inconvenient to carry, and is easy to move or vibrate during detection, thereby affecting detection data. Accordingly, those skilled in the art have provided a loop resistance tester suitable for various measuring environments to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a loop resistance tester who is fit for multiple measuring environment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a return circuit resistance tester that is fit for multiple measuring environment, includes the handle of outer box and rigid coupling at outer box front surface, the upper surface of outer box articulates there is the case lid, the equal rigid coupling in both ends has the buckle about the upper surface of case lid, the operation box has been cup jointed in the activity of the inner chamber left side of outer box, the equal rigid coupling in surface has dustproof filter screen about the operation box, the right surface rigid coupling of dustproof filter screen has heat conduction fan, heat conduction fan's right surface rigid coupling has the heating panel, the inner chamber right-hand member rigid coupling of outer box has the division board, the equal rigid coupling in lower surface turning of outer box has flexible supporting component, the equal rigid coupling in surface has damper about the operation box.

As a further aspect of the present invention: dustproof filter screen is located between 2 damper, the operation box is located the left side of division board, damper connects operation box and division board, the heating panel is located inside the left surface of operation box.

As a further aspect of the present invention: the utility model discloses a telescopic supporting assembly, including first well hollow column, spacing post, bottom plate, slipmat, connecting block, stopper and first spring, the lower surface rigid coupling of outer box has first well hollow column, spacing post has been cup jointed in the inside activity of first well hollow column, the lower surface rigid coupling of spacing post has the bottom plate, the lower surface rigid coupling of bottom plate has the slipmat, the connecting block has been cup jointed in the activity of the surface left side upper end of spacing post, the right surface rigid coupling of connecting block has the stopper, the right surface rigid coupling of stopper has first spring.

As a further aspect of the present invention: spacing hole has been seted up in the surface left side of spacing post, the stopper is located spacing downthehole, the through-hole has been seted up to the surface left side equidistance of first cavity post, first cavity post and spacing post are connected to the connecting block through-hole.

As a further aspect of the present invention: damping component includes well post, spliced pole, limiting plate and second spring in the second, the right surface rigid coupling of operation box has the well post in the second, the spliced pole has been cup jointed in the right surface activity of the well post in the second, the left surface rigid coupling of spliced pole has the limiting plate, the right surface rigid coupling of spliced pole is in the left surface of division board, the second spring has been cup jointed to the surface of the well post in the second.

As a further aspect of the present invention: a groove hole is formed in the right surface of the second hollow column, and the limiting plate is located in the groove hole.

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

1. the telescopic supporting component can support the device to measure under different height requirements, the non-slip mat can prevent the device from sliding in the working process, the heat dissipation plate and the heat conduction fan can lead out the heat inside the operation box body, and the dustproof filter screen prevents the circuit damage caused by dust entering the device.

2. The shock-absorbing component can weaken the movement of an internal circuit caused by vibration generated when the device is transferred or used, and the device is better protected.

Drawings

FIG. 1 is a schematic diagram of a loop resistance tester suitable for various measurement environments;

FIG. 2 is a schematic structural diagram of a cross section of a loop resistance tester suitable for various measurement environments;

FIG. 3 is a schematic view of a part of an operating chamber of a loop resistance tester suitable for various measuring environments;

FIG. 4 is a schematic structural diagram of a telescopic support assembly in a loop resistance tester suitable for various measurement environments;

fig. 5 is a schematic structural diagram of a damping assembly in a loop resistance tester suitable for various measurement environments.

In the figure: 1. an outer case; 2. a box cover; 3. buckling; 4. operating the box body; 5. a handle; 6. a partition plate; 7. a telescopic support assembly; 8. a dustproof filter screen; 9. a shock absorbing assembly; 10. a heat dissipation plate; 11. a heat-conducting fan; 101. a first hollow column; 102. a limiting column; 103. a base plate; 104. a non-slip mat; 105. connecting blocks; 106. a limiting block; 107. a first spring; 201. a second hollow column; 202. connecting columns; 203. a limiting plate; 204. a second spring.

Detailed Description

Please refer to fig. 1-5, in an embodiment of the present invention, a loop resistance tester suitable for multiple measuring environments, includes an outer case 1 and a handle 5 fixed on the front surface of the outer case 1, the upper surface of the outer case 1 is hinged with a case cover 2, buckles 3 are fixed on the left and right ends of the upper surface of the case cover 2, an operation case 4 is movably sleeved on the left side of the inner cavity of the outer case 1, a dustproof filter screen 8 is fixed on the left and right surfaces of the operation case 4, a heat conduction fan 11 is fixed on the right surface of the dustproof filter screen 8, a heat dissipation plate 10 is fixed on the right surface of the heat conduction fan 11, the heat dissipation plate 10 is located inside the left surface of the operation case 4, a partition plate 6 is fixed on the right end of the inner cavity of the outer case 1, the operation case 4 is located on the left side of the partition plate 6, a telescopic supporting component 7 is fixed on the lower corner of the outer case, Bottom plate 103, slipmat 104, connecting block 105, stopper 106 and first spring 107, the lower surface rigid coupling of outer box 1 has first well hollow column 101, spacing post 102 has been cup jointed in the inside activity of first well hollow column 101, the lower surface rigid coupling of spacing post 102 has bottom plate 103, the lower surface rigid coupling of bottom plate 103 has slipmat 104, connecting block 105 has been cup jointed in the activity of the surface left side upper end of spacing post 102, connecting block 105's right side surface rigid coupling has stopper 106, stopper 106's right side surface rigid coupling has first spring 107, spacing hole has been seted up on the surface left side of spacing post 102, stopper 106 is located spacing downthehole, the through-hole has been seted up to the surface left side equidistance of first well hollow column 101, connecting block 105 runs through the through-hole and connects first well hollow column 101.

In fig. 5: the equal rigid coupling in surface has damper 9 about operation box 4, damper 9 connects operation box 4 and division board 6, dustproof filter screen 8 is located between 2 damper 9, damper 9 includes well post 201 in the second, spliced pole 202, limiting plate 203 and second spring 204, the right surface rigid coupling of operation box 4 has well post 201 in the second, spliced pole 202 has been cup jointed in the right surface activity of well post 201 in the second, the left surface rigid coupling of spliced pole 202 has limiting plate 203, the right surface rigid coupling of spliced pole 202 in the left surface of division board 6, the surface of well post 201 has cup jointed second spring 204 in the second, the slotted hole has been seted up on the right surface of well post 201 in the second, limiting plate 203 is located the slotted hole.

The utility model discloses a theory of operation is: when the device is used, the heat inside the operation box body 4 is conducted out through the cooperation of the heat conduction fan 11 and the heat dissipation plate 10, measurement data deviation caused by overheating of instruments is avoided, the dustproof filter screen 8 prevents circuit damage caused by dust entering the device, the connecting block 105 is pressed to enable the connecting block 105 to enter the first hollow column 101 to adjust the position of the limiting column 102, when the connecting block 105 reaches a specified position, the first spring 107 rebounds, the connecting block 105 penetrates through the through hole to be connected with the first hollow column 101 and the limiting column 102, the device can measure under different height requirements, the anti-slip mat 104 can prevent measurement errors caused by sliding of the device during working, when the device vibrates, the second hollow column 201, the connecting column 202 and the limiting plate 203 jointly limit the position of the operation box body 4, the second spring 204 provides certain elastic force, and internal circuits caused by vibration are prevented from moving.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A loop resistance tester suitable for various measuring environments comprises an outer box body (1) and a handle (5) fixedly connected to the front surface of the outer box body (1), the upper surface of the outer box body (1) is hinged with a box cover (2), the left end and the right end of the upper surface of the box cover (2) are fixedly connected with buckles (3), an operation box body (4) is movably sleeved on the left side of the inner cavity of the outer box body (1), the left surface and the right surface of the operation box body (4) are fixedly connected with a dustproof filter screen (8), a heat-conducting fan (11) is fixedly connected to the right surface of the dustproof filter screen (8), a heat-radiating plate (10) is fixedly connected to the right surface of the heat-conducting fan (11), a partition plate (6) is fixedly connected to the right end of the inner cavity of the outer box body (1), it is characterized in that the lower surface corners of the outer box body (1) are fixedly connected with telescopic supporting components (7), the left surface and the right surface of the operation box body (4) are fixedly connected with damping components (9).

2. The loop resistance tester suitable for various measuring environments as claimed in claim 1, wherein the dustproof filter net (8) is located between 2 shock absorption components (9), the operation box body (4) is located at the left side of the partition plate (6), the shock absorption components (9) are connected with the operation box body (4) and the partition plate (6), and the heat dissipation plate (10) is located inside the left surface of the operation box body (4).

3. The loop resistance tester according to claim 1, characterized in that the telescopic supporting component (7) comprises a first hollow column (101), a limiting column (102), a bottom plate (103), an anti-skid pad (104), a connecting block (105), a limiting block (106) and a first spring (107), the lower surface of the outer box body (1) is fixedly connected with a first hollow column (101), a limit column (102) is movably sleeved in the first hollow column (101), a bottom plate (103) is fixedly connected with the lower surface of the limiting column (102), a non-slip mat (104) is fixedly connected with the lower surface of the bottom plate (103), the upper end of the left side of the outer surface of the limit column (102) is movably sleeved with a connecting block (105), the right surface rigid coupling of connecting block (105) has stopper (106), the right surface rigid coupling of stopper (106) has first spring (107).

4. The loop resistance tester suitable for various measuring environments as claimed in claim 3, wherein a limiting hole is formed in the left side of the outer surface of the limiting column (102), the limiting block (106) is located in the limiting hole, through holes are formed in the left side of the outer surface of the first hollow column (101) at equal intervals, and the connecting block (105) penetrates through the through holes to connect the first hollow column (101) and the limiting column (102).

5. The loop resistance tester that is fit for multiple measuring environment of claim 1, characterized in that, damper (9) includes well post (201), spliced pole (202), limiting plate (203) and second spring (204) in the second, the right surface rigid coupling of operation box (4) has well post (201) in the second, the spliced pole (202) has been cup jointed in the activity of the right surface of well post (201) in the second, the left surface rigid coupling of spliced pole (202) has limiting plate (203), the right surface rigid coupling of spliced pole (202) is in the left surface of division board (6), the second spring (204) has been cup jointed to the surface of well post (201) in the second.

6. The loop resistance tester suitable for various measurement environments as claimed in claim 5, wherein the right surface of the second hollow column (201) is provided with a slotted hole, and the limiting plate (203) is located in the slotted hole.