CN213633619U

CN213633619U - Loop resistance tester

Info

Publication number: CN213633619U
Application number: CN202022775815.0U
Authority: CN
Inventors: 陈磊
Original assignee: Wuhan Wugao Xigao Electric Co ltd
Current assignee: Wuhan Wugao Xigao Electric Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-06
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a return circuit resistance tester, the power distribution box comprises a box body, the top swing joint of box has the case lid, the portable handle of the positive fixedly connected with of box, the left side fixedly connected with heat dissipation case of box inner chamber, the inner chamber of heat dissipation case is provided with the rotating electrical machines, the output of rotating electrical machines rotates and is connected with the flabellum, the left side at box inner chamber top is provided with the operation panel, the right side at box inner chamber top is provided with the receipts line box, the top of operation panel is provided with the plug wire hole. The utility model discloses a set up fixed axle, removable cover and plug wire hole, can play certain guard action to the plug wire hole, avoid falling into influence measuring precision such as dust, through setting up flabellum, rotating electrical machines and heat dissipation case, can the inside thermal scattering and disappearing of accelerating device, effectively promoted the heat-sinking capability of device, it is higher to have avoided the inside heat of device to influence the phenomenon that the internal component resistance changes.

Description

Loop resistance tester

Technical Field

The utility model relates to a tester technical field specifically is 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 is displayed by using numbers, the loop resistance tester has accurate measurement and stable performance, and is suitable for the field high-voltage switch maintenance of power and power supply departments and the test of the loop resistance of high-voltage switch factories, the tester has the characteristics of small volume, light weight, strong anti-interference capability, high precision, convenient operation, perfect protection function and the like, internal components of the box body of the existing loop resistance tester can generate heat when in use, the change of the resistance of the internal components can be influenced when the heat is large, and further the test result can be influenced, and because test plug wire hole and connecting wire are solitary, the phenomenon that the plug wire hole easily appears into grey intaking when not using can influence its next use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a loop resistance tester, possess the protective capacities, the radiating effect is good, the strong advantage of stability, it can produce the heat to have solved the inside components and parts of current loop resistance tester box when using, can influence the change of internal element resistance when the heat is great, and then influence its test result, and because test plug wire hole and connecting wire are solitary, the phenomenon that the ash entered into water easily appears in the plug wire hole when not using, can influence its problem of using next time.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a return circuit resistance tester, includes the box, the top swing joint of box has the case lid, the portable handle of the positive fixedly connected with of box, the left side fixedly connected with heat dissipation case of box inner chamber, the inner chamber of heat dissipation case is provided with the rotating electrical machines, the output of rotating electrical machines rotates and is connected with the flabellum, the left side at box inner chamber top is provided with the operation panel, the right side at box inner chamber top is provided with the line box of receiving, the top of operation panel is provided with the plug wire hole, the left side fixedly connected with fixed axle in plug wire hole, fixed axle top swing joint has removable cover, removable cover and the top sliding contact in plug wire hole.

Preferably, both sides of the front surface of the box cover are fixedly connected with limiting rings, and the front surface of the box body is fixedly connected with a lock catch matched with the limiting rings for use.

Preferably, the two sides of the bottom of the box body are fixedly connected with supporting legs, and the bottoms of the supporting legs are fixedly connected with anti-slip pads.

Preferably, a heat dissipation port is formed in the left side of the inner cavity of the box body, and a dust cover matched with the heat dissipation port for use is movably connected to the left side of the surface of the box body.

Preferably, the top and the bottom of the rotating motor are fixedly connected with supporting frames, the inner wall of each supporting frame is fixedly connected with a cushion pad, and one end, far away from the rotating motor, of each supporting frame is fixed to the joint of the heat dissipation box.

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

1. the utility model discloses a set up fixed axle, removable cover and plug wire hole, can play certain guard action to the plug wire hole, avoid falling into influence measuring precision such as dust, through setting up flabellum, rotating electrical machines and heat dissipation case, can the inside thermal scattering and disappearing of accelerating device, effectively promoted the heat-sinking capability of device, it is higher to have avoided the inside heat of device to influence the phenomenon that the internal component resistance changes.

2. The utility model discloses a set up hasp and spacing ring, can make the case lid reach and be convenient for open fixed effect, the practicality of device has effectively been promoted, through setting up supporting legs and slipmat, can play the fixed effect of support to the device, the stability of device has effectively been promoted, through setting up thermovent and dust cover, can avoid external dust access device's inside, the inside cleanness of device has effectively been kept, through setting up support frame and cushion, can play fixed and cushioned effect to rotating electrical machines, the vibrations that rotating electrical machines produced at the operation in-process have effectively been alleviateed.

Drawings

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

FIG. 2 is a sectional view of the box body of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a box body; 2. locking; 3. a limiting ring; 4. a portable handle; 5. a box cover; 6. supporting legs; 7. a fan blade; 8. a heat dissipation port; 9. a dust cover; 10. a rotating electric machine; 11. a support frame; 12. a wire rewinding box; 13. an operation panel; 14. a heat dissipation box; 15. a fixed shaft; 16. a removable cover plate; 17. a wire insertion hole.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be 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.

The utility model discloses a box 1, hasp 2, spacing ring 3, portable handle 4, case lid 5, supporting legs 6, flabellum 7, thermovent 8, dust cover 9, rotating electrical machines 10, support frame 11, receipts line box 12, operation panel 13, heat dissipation case 14, fixed axle 15, removable cover 16 and plug wire hole 17 part are the general standard component or the part that technical staff in the field knows, and its structure and principle all are all that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a loop resistance tester comprises a box body 1, a box cover 5 is movably connected at the top of the box body 1, a limit ring 3 is fixedly connected at both sides of the front surface of the box cover 5, a lock catch 2 matched with the limit ring 3 for use is fixedly connected at the front surface of the box body 1, the box cover 5 can be conveniently opened and fixed by arranging the lock catch 2 and the limit ring 3, the practicability of the device is effectively improved, supporting legs 6 are fixedly connected at both sides of the bottom of the box body 1, anti-skid pads are fixedly connected at the bottoms of the supporting legs 6, the device can be supported and fixed by arranging the supporting legs 6 and the anti-skid pads, the stability of the device is effectively improved, a portable handle 4 is fixedly connected at the front surface of the box body 1, a heat dissipation box 14 is fixedly connected at the left side of the inner cavity of the box body 1, a rotating motor 10 is arranged in the inner, the inner wall of the supporting frame 11 is fixedly connected with a cushion pad, the connecting part of one end of the supporting frame 11 far away from the rotating motor 10 and the heat dissipation box 14 is fixed, the supporting frame 11 and the cushion pad are arranged, the rotating motor 10 can be fixed and buffered, vibration generated in the operation process of the rotating motor 10 is effectively reduced, the output end of the rotating motor 10 is rotatably connected with fan blades 7, the left side of the top of the inner cavity of the box body 1 is provided with an operating plate 13, the right side of the top of the inner cavity of the box body 1 is provided with a wire receiving box 12, the top of the operating plate 13 is provided with a wire insertion hole 17, the left side of the wire insertion hole 17 is fixedly connected with a fixed shaft 15, the top of the fixed shaft 15 is movably connected with a movable cover plate 16, the movable cover plate 16 is in sliding contact with the top of the wire, through setting up thermovent 8 and dust cover 9, can avoid external dust access device's inside, the inside cleanness of device has effectively been kept, through setting up fixed axle 15, removable cover 16 and plug wire hole 17, can play certain guard action to plug wire hole 17, avoid falling into influence measuring precision such as dust, through setting up flabellum 7, rotating electrical machines 10 and radiator box 14, can the inside thermal scattering and disappearing of accelerating device, the heat-sinking capability of device has effectively been promoted, it is higher to have avoided the inside heat of device, thereby influence the phenomenon that the internal component resistance changes.

During the use, rotatory removable cover 16, make plug wire hole 17 be in the open mode, take out the connecting wire from receiving line box 12, the one end of connecting wire is inserted in plug wire hole 17, the equipment of examining is examined in the other end connection, controlling means detects, open rotating electrical machines 10, it rotates to drive flabellum 7 through rotating electrical machines 10 output, rotate through flabellum 7 and to put the inside circulation of air of accelerating device, inside thermal giving off with higher speed, the heat-sinking capability of device has effectively been promoted, cooperation through the above-mentioned structure, can make the device reach and possess the protective capacities, the radiating effect is good, the strong advantage of stability, and is suitable for being generalized to use.

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 return circuit resistance tester, includes box (1), its characterized in that: the utility model discloses a portable electric wire splicing box, including box (1), the top swing joint of box (1) has case lid (5), the portable handle (4) of the positive fixedly connected with of box (1), the left side fixedly connected with heat dissipation case (14) of box (1) inner chamber, the inner chamber of heat dissipation case (14) is provided with rotating electrical machines (10), the output of rotating electrical machines (10) is rotated and is connected with flabellum (7), the left side at box (1) inner chamber top is provided with operation panel (13), the right side at box (1) inner chamber top is provided with receipts line box (12), the top of operation panel (13) is provided with plug wire hole (17), the left side fixedly connected with fixed axle (15) in plug wire hole (17), fixed axle (15) top swing joint has removable cover (16), removable cover (16) and the top sliding contact in plug wire.

2. The loop resistance tester of claim 1, wherein: the equal fixedly connected with spacing ring (3) in the positive both sides of case lid (5), hasp (2) that the positive fixedly connected with cooperation spacing ring (3) of box (1) used.

3. The loop resistance tester of claim 1, wherein: the box body is characterized in that supporting legs (6) are fixedly connected to two sides of the bottom of the box body (1), and anti-slip pads are fixedly connected to the bottoms of the supporting legs (6).

4. The loop resistance tester of claim 1, wherein: the left side of the inner cavity of the box body (1) is provided with a heat dissipation port (8), and the left side of the surface of the box body (1) is movably connected with a dust cover (9) matched with the heat dissipation port (8) for use.

5. The loop resistance tester of claim 1, wherein: the top and the bottom of rotating electrical machines (10) are fixedly connected with supporting frames (11), the inner wall of the supporting frame (11) is fixedly connected with cushions, and the joint of one end of the supporting frame (11) far away from the rotating electrical machines (10) and the heat dissipation box (14) is fixed.