CN216646639U

CN216646639U - Loop resistance tester

Info

Publication number: CN216646639U
Application number: CN202122818437.4U
Authority: CN
Inventors: 代伟明; 宋秋惠; 张霞
Original assignee: Wuhan Landolphin Power Technology Co ltd
Current assignee: Liaoning Qiangsheng Electric Power Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-05-31
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to a loop resistance tester, which comprises a protective box, wherein a box cover is movably arranged at the top of the protective box, an installation box is fixedly arranged in the protective box, a test connecting wire movably connected with the top of the installation box is movably arranged at the top of the protective box, and a heat dissipation mechanism is fixedly arranged in the installation box. This loop resistance tester, through setting up electronic slip table, electronic slip table drives the slider and removes, make quick-witted case removal, quick-witted case removal drives inside motor removal, the output shaft drives the pivot when the motor removes and rotates and makes the flabellum rotate, the inside heat of protective housing distributes to the outside through the heat dissipation window, quick-witted case drive flabellum dispels the heat in the inside removal of protective housing simultaneously, the effect that the radiating effect is good has been reached, accomodate the chamber through setting up, accomodate the effect that the test connecting wire can be accomodate in the chamber, through setting up the case lid, card spoon and the card spoon buckle at case lid top are connected and are made case lid and protective housing fixed, then the effect of conveniently carrying has been reached.

Description

Loop resistance tester

Technical Field

The utility model relates to the technical field of loop resistance testing, in particular to a loop resistance tester.

Background

The loop resistance tester is designed by combining a digital circuit technology and a switching power supply technology, is suitable for measuring the contact resistance and the loop resistance of the switching control equipment, adopts direct current 100A/200A recommended by national standard for test current, can directly measure the loop resistance and the contact resistance under the condition of the current 100A/200A, and displays the loop resistance and the contact resistance by using numbers.

The loop resistance tester in the market has been very widely used at present, and the loop resistance tester has accurate measurement and stable performance, is suitable for on-site high-voltage switch maintenance of power and power supply departments and loop resistance test of high-voltage switch factories, but most of the loop resistance testers have poor heat dissipation effects, easily cause internal elements to be damaged due to overhigh temperature, and are convenient to carry and inconvenient.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the loop resistance tester which has the advantages of good heat dissipation effect and convenience in carrying, and solves the problems that most loop resistance testers are poor in heat dissipation effect, internal elements are easily damaged due to overhigh temperature, and the loop resistance tester is convenient and inconvenient to carry.

In order to achieve the purposes of good heat dissipation effect and convenient carrying, the utility model provides the following technical scheme: a loop resistance tester comprises a protective box, wherein a box cover is movably mounted at the top of the protective box, an installation box is fixedly mounted inside the protective box, a test connecting wire movably connected with the top of the installation box is movably mounted at the top of the protective box, and a heat dissipation mechanism is fixedly mounted inside the installation box;

the utility model discloses a heat dissipation mechanism, including the installation case, the installation case is fixed on the front side of installation case, the heat dissipation mechanism includes electronic slip table, slider, quick-witted case, motor, pivot, flabellum and heat dissipation window, the inside fixed mounting of installation case rear side has electronic slip table, the inside movable mounting of electronic slip table has the slider, the front side fixed mounting of slider has quick-witted case, the inside fixed mounting of machine case has the motor, the output shaft department fixed mounting of motor has the pivot that extends to quick-witted case front side outside, the outside of pivot and the front side fixed mounting that is located quick-witted case have the flabellum, the heat dissipation window has all been seted up to the left and right sides of installation case.

Furthermore, the front side of machine case is opened and is equipped with the rotation hole with pivot looks adaptation, two the equal fixed mounting in inside of heat dissipation window has dustproof filter screen.

Further, the bottom fixed mounting of case lid and guard box top rear side swing joint's hinge assembly, the top fixed mounting of install bin has the display screen.

Further, the top of install bin and the front side fixed mounting that is located the display screen have control panel, the top fixed mounting of case lid has the key.

Furthermore, the parent side of the protection box is fixedly provided with two clamping locks connected with the clamping key buckles, and the number of the clamping keys is the same as that of the clamping keys and corresponds to that of the clamping keys one to one.

Furthermore, the inside of protective housing just is located the right side of install bin and has seted up and accomodate the chamber, and the right side the heat dissipation window is located the inside of accomodating the chamber.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this loop resistance tester, through setting up electronic slip table, electronic slip table drives the slider and removes, make quick-witted case removal, quick-witted case removal drives inside motor removal, the output shaft drives the pivot when the motor removes and rotates, the pivot rotates and drives the flabellum and rotate, the inside heat of protective housing distributes to the outside through the heat dissipation window, quick-witted case drive flabellum dispels the heat at the inside removal of protective housing simultaneously, the effect that the radiating effect is good has been reached, accomodate the chamber through setting up, accomodate the effect that the test connecting wire can be accomodate in the chamber, through setting up the case lid, card spoon and the card spoon buckle at case lid top are connected and are made case lid and protective housing fixed, then the effect of conveniently carrying has been reached.

Drawings

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

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic view of a heat dissipation mechanism according to the present invention.

In the figure: the test device comprises a protection box 1, a box cover 2, an installation box 3, a storage cavity 4, a test connecting wire 5, a heat dissipation mechanism 6, an electric sliding table 601, a sliding block 602, a case 603, a motor 604, a rotating shaft 605, fan blades 606, a heat dissipation window 607, a display screen 7, a control panel 8, a key 9 and a lock 10.

Detailed Description

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. 1-3, a loop resistance tester in this embodiment includes a protection box 1, a box cover 2 is movably installed on the top of the protection box 1, a key 9 and a key 10 on the top of the box cover 2 are connected by a buckle to fix the box cover 2 and the protection box 1, an installation box 3 is fixedly installed inside the protection box 1, a test connection line 5 movably connected with the top of the installation box 3 is movably installed on the top of the protection box 1, and a heat dissipation mechanism 6 is fixedly installed inside the installation box 3;

the heat dissipation mechanism 6 comprises an electric sliding table 601, a sliding block 602, a chassis 603, a motor 604, a rotating shaft 605, fan blades 606 and a heat dissipation window 607, the electric sliding table 601 is fixedly mounted inside the rear side of the mounting box 3, the electric sliding table 601 drives the sliding block 602 to move, so that the chassis 603 moves, the sliding block 602 is movably mounted inside the electric sliding table 601, the chassis 603 moves to drive the motor 604 inside to move, the chassis 603 is fixedly mounted on the front side of the sliding block 602, the motor 604 is fixedly mounted inside the chassis 603, an output shaft of the motor 604 drives the rotating shaft 605 to rotate while moving, the rotating shaft 605 rotates to drive the fan blades 606 to rotate, a rotating shaft 605 extending to the outside of the front side of the chassis 603 is fixedly mounted at the output shaft of the motor 604, the fan blades 606 are fixedly mounted outside the rotating shaft 605 and located at the front side of the chassis 603, the chassis 604 drives the fan blades 606 to move inside the protective box 601 to perform the heat dissipation function, heat dissipation window 607 has all been seted up to the left and right sides of install bin 3, through setting up electronic slip table 601, electronic slip table 601 drives slider 602 and removes, make quick-witted case 603 remove, quick-witted case 603 removes and drives inside motor 604 and remove, the output shaft drives pivot 605 and rotates when motor 604 removes, pivot 605 rotates and drives flabellum 606 and rotate, the inside heat of protective housing 1 passes through heat dissipation window 607 to outside, quick-witted case 604 drives flabellum 606 and dispels the heat at the inside removal of protective housing 601 simultaneously, the effect that the radiating effect is good has been reached, accomodate chamber 4 through the setting, accomodate the effect that test connecting wire 5 can be accomodate in chamber 4, through setting up case lid 2, it makes case lid 2 fixed with protective housing 1 to connect through

lock key

9 and 10 buckle, then the effect of conveniently carrying.

When in implementation, the method comprises the following steps:

1) firstly, the electric sliding table 601 drives the sliding block 602 to move, so that the case 603 moves;

2) then the case 603 moves to drive the motor 604 inside to move, and the output shaft drives the rotating shaft 605 to rotate while the motor 604 moves;

3) then the rotating shaft 605 rotates to drive the fan blades 606 to rotate, and the heat inside the protective box 1 is dissipated to the outside through the heat dissipation window 607;

4) finally, the chassis 604 drives the fan 606 to move inside the protection box 601 for heat dissipation.

In summary, in the loop resistance tester, by arranging the electric sliding table 601, the electric sliding table 601 drives the sliding block 602 to move, so that the case 603 moves, the case 603 moves to drive the motor 604 inside to move, the output shaft drives the rotating shaft 605 to rotate while the motor 604 moves, the rotating shaft 605 rotates to drive the fan blades 606 to rotate, heat inside the protection box 1 is dissipated to the outside through the heat dissipation windows 607, meanwhile, the case 604 drives the fan blades 606 to move inside the protection box 601 for heat dissipation, so that a good heat dissipation effect is achieved, by arranging the accommodating cavity 4, the accommodating cavity 4 can accommodate the test connecting wire 5, by arranging the box cover 2, the box cover 2 and the protection box 1 are fixed through the buckling connection of the lock key 9 and the lock catch 10, then, the effect of convenient carrying is achieved, the problem that the heat dissipation effect of most loop resistance testers is poor, and internal elements are easily damaged due to overhigh temperature is solved, and is inconvenient to carry.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a return circuit resistance tester, includes protective housing (1), its characterized in that: the top of the protection box (1) is movably provided with a box cover (2), the interior of the protection box (1) is fixedly provided with an installation box (3), the top of the protection box (1) is movably provided with a test connecting wire (5) movably connected with the top of the installation box (3), and the interior of the installation box (3) is fixedly provided with a heat dissipation mechanism (6);

radiating mechanism (6) include electronic slip table (601), slider (602), quick-witted case (603), motor (604), pivot (605), flabellum (606) and radiating window (607), the inside fixed mounting of install bin (3) rear side has electronic slip table (601), the inside movable mounting of electronic slip table (601) has slider (602), the front side fixed mounting of slider (602) has quick-witted case (603), the inside fixed mounting of machine case (603) has motor (604), the output shaft of motor (604) locates fixed mounting and has pivot (605) that extend to quick-witted case (603) front side outside, the outside of pivot (605) and the front side fixed mounting that is located quick-witted case (603) have flabellum (606), window (607) have been seted up in the equal heat dissipation of the left and right sides of install bin (3).

2. The loop resistance tester of claim 1, wherein: the front side of machine case (603) is opened and is equipped with the rotation hole with pivot (605) looks adaptation, two the inside of radiator window (607) all fixed mounting has dustproof filter screen.

3. The loop resistance tester of claim 1, wherein: the bottom fixed mounting of case lid (2) and guard box (1) top rear side swing joint's hinge assembly, the top fixed mounting of installation box (3) has display screen (7).

4. A loop resistance tester as claimed in claim 3, wherein: the top of install bin (3) and the front side fixed mounting that is located display screen (7) have control panel (8), the top fixed mounting of case lid (2) has card key (9).

5. The loop resistance tester of claim 4, wherein: the top side of the protection box (1) is fixedly provided with two clamping locks (10) which are connected with the clamping keys (9) in a buckling mode, the number of the clamping keys (9) is two, and the number of the clamping locks (10) is the same as that of the clamping keys (9) and corresponds to that of the clamping keys (9).

6. The loop resistance tester of claim 1, wherein: the protection box is characterized in that a containing cavity (4) is formed in the protection box (1) and located on the right side of the installation box (3), and the heat dissipation window (607) is located in the containing cavity (4).