CN214953787U

CN214953787U - Portable insulation loop resistance tester

Info

Publication number: CN214953787U
Application number: CN202121379094.XU
Authority: CN
Inventors: 祁永军
Original assignee: Inner Mongolia Yihao Construction Co ltd
Current assignee: Inner Mongolia Yihao Construction Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-11-30
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a portable insulation loop resistance tester relates to loop resistance test technical field, which comprises a body, still including preventing falling the structure, handle structure and shielding structure, the display screen is installed to the one end of body, and the body one end of display screen below is provided with two electric current incoming ends, body one end between the electric current incoming end is provided with two voltage incoming ends, and the body one end of voltage incoming end below is provided with the switch, the body internally mounted of switch below has acceleration sensor, and prevent falling the structure and set up in four corners of body, the second dead slot has been seted up to the top central position department of body. The utility model provides a have handle, extension board and cavity, utilize the handle, stimulate the handle for the extension board slides in the cavity is inside, and first magnet and second magnet separation can be pulled out the handle, are convenient for carry the device.

Description

Portable insulation loop resistance tester

Technical Field

The utility model relates to a return circuit resistance test technical field specifically is portable insulation return circuit resistance tester.

Background

The resistance tester is widely applied to occasions such as electrical safety inspection, grounding engineering completion inspection and the like, and is a loop resistance tester which is commonly used at present.

The loop resistance tester has accurate measurement and stable performance, and is suitable for the requirements of on-site high-voltage switch maintenance and loop resistance test of high-voltage switch factories of power and power supply departments. However, the loop resistance tester is large in size and inconvenient to carry and use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable insulation loop resistance tester to it is great to solve among the prior art loop resistance tester volume, the problem of not portable use.

In order to achieve the purpose, the utility model provides a portable insulation loop resistance tester, which comprises a body, an anti-falling structure for preventing damage, a handle structure convenient to carry and a shielding structure for preventing interference;

the anti-falling device comprises a body, a display screen, two current access ends, a switch, an acceleration sensor and an anti-falling structure, wherein the display screen is installed at one end of the body, the two current access ends are arranged at one end of the body below the display screen, the two voltage access ends are arranged at one end of the body between the current access ends, the switch is arranged at one end of the body below the voltage access ends, the acceleration sensor is installed in the body below the switch, and the anti-falling structure is arranged at four corners of the body;

a second empty groove is formed in the center of the top end of the body, cavities are formed in the body on two sides of the second empty groove, and the handle structure is arranged in the second empty groove and the cavities;

first dead slot has all been seted up to the both sides of body, and shielding structure sets up in the inside of first dead slot.

Optionally, the shielding structure includes a blocking sheet, the blocking sheet is disposed on one side of the inside of the first empty groove, the mounting plates are mounted on the top end and the bottom end of the inside of the first empty groove, the mounting plates are disposed on one side of the blocking sheet, and the metal elastic sheet is mounted on one side of the mounting plate away from the blocking sheet.

Optionally, the metal elastic sheet and the mounting plate are connected through a bolt, and the cross section of the metal elastic sheet is rectangular.

Optionally, the anti-falling structure comprises a damping piece, an electromagnet, a third empty slot and an auxiliary spring, the third empty slot is arranged at four corners of the body, and one end of the inside of the third empty slot is connected with the auxiliary spring.

Optionally, the third dead slot of auxiliary spring one end is inside all to be connected with the damping piece, and the inner wall of third dead slot all is provided with two electro-magnets.

Optionally, the handle structure includes first magnet, handle, extension board and second magnet, the handle sets up in the inside of second dead slot, and the both sides of handle all are connected with the extension board, the second magnet all sets up in the inside one side of cavity.

Optionally, one end of the extension plate extends into the cavity, and the cavity at one end of the extension plate is connected with the first magnet.

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

(1) the utility model provides a handle, an extension board and a cavity, the handle is pulled by utilizing the handle, so that the extension board slides in the cavity, the first magnet and the second magnet are separated, the handle can be pulled out, the device is carried, otherwise, the handle can be accommodated in the second empty groove again, the first magnet and the second magnet are mutually adsorbed and fixed, and the structure realizes the function of convenient carrying;

(2) the utility model provides a metal shrapnel and a blocking piece, if a magnetic field exists, the metal shrapnel can shield the electromagnetism to prevent the device from being interfered, a small amount of electromagnetism passes through the metal shrapnel, contacts with the blocking piece and can be absorbed by the blocking piece, and the influence of the electromagnetism on the device is further blocked, so that the device measurement is more accurate, and the structure realizes the anti-interference capability;

(3) the utility model provides an acceleration sensor, electro-magnet and shock attenuation piece utilize acceleration sensor, acceleration sensor received signal, and the control electro-magnet outage loses magnetism for shock attenuation piece breaks away from the absorption of magnetic force, and under auxiliary spring's reaction force, the shock attenuation piece pops out from the third dead slot is inside, and this structure has realized preventing falling the function.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of a portable insulation loop resistance tester according to an embodiment of the present invention;

fig. 2 is a schematic front view of a portable insulation loop resistance tester according to an embodiment of the present invention;

fig. 3 is a schematic top view of a portable insulation loop resistance tester according to an embodiment of the present invention;

fig. 4 is a schematic side view of a portable insulation loop resistance tester according to an embodiment of the present invention;

fig. 5 is an enlarged schematic structural diagram of a point a in fig. 1 according to an embodiment of the present invention.

In the figure: 1. a first empty slot; 2. a metal spring sheet; 3. a voltage access terminal; 4. a second empty slot; 5. a cavity; 6. a display screen; 7. a barrier sheet; 8. a fall-resistant structure; 801. a shock absorbing member; 802. an electromagnet; 803. a third empty slot; 804. an auxiliary spring; 9. a handle structure; 901. a first magnet; 902. a handle; 903. an extension plate; 904. a second magnet; 10. a current access terminal; 11. mounting a plate; 12. a body; 13. an acceleration sensor; 14. and (4) switching.

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.

Example 1: referring to fig. 1-5, the portable insulation loop resistance tester includes a body 12, an anti-falling structure 8 for preventing damage, a handle structure 9 for easy carrying, and a shielding structure for preventing interference.

To portable insulation loop resistance tester, outside body 12, display screen 6 is installed to the one end of body 12, and the both sides of display screen 6 below are provided with two electric current incoming ends 10, are provided with two voltage incoming ends 3 between two electric current incoming ends 10, and are provided with switch 14 below voltage incoming end 3. Inside the body 12, below the switch 14, an acceleration sensor 13 is installed, the acceleration sensor may be dl24100 in model, and the anti-falling structure 8 is disposed at four corners of the body 12.

The second dead slot 4 has been seted up to the top central point department of body 12, and the cavity 5 has all been seted up to the body 12 inside of second dead slot 4 both sides, and the tip setting of handle structure 9 is in the inside of second dead slot 4 and cavity 5.

First dead slot 1 has all been seted up to the both sides of body 12 intermediate position, and shielding structure sets up in the inside of first dead slot 1.

Referring to fig. 1-5, the shielding structure includes a blocking sheet 7, the blocking sheet 7 is disposed on one side of the inside of the first empty slot 1, mounting plates 11 are mounted on the top and bottom of the inside of the first empty slot 1, the mounting plates 11 are disposed on one side of the blocking sheet 7, and a metal elastic sheet 2 is mounted on one side of the mounting plates 11 away from the blocking sheet 7.

The metal elastic sheet 2 is connected with the mounting plate 11 through a bolt, and the cross section of the metal elastic sheet 2 is rectangular.

Specifically, as shown in fig. 1 and 4, when the portable insulation loop resistance tester is used, the metal elastic sheet 2 can shield the electromagnetism to prevent the device from being interfered, and a small amount of electromagnetism passes through the metal elastic sheet 2, contacts with the blocking sheet 7 and can be absorbed by the blocking sheet 7 to further block the influence of the electromagnetism on the device, so that the device can measure more accurately.

Example 2: the anti-falling structure 8 comprises a shock absorption piece 801, an electromagnet 802, a third empty groove 803 and an auxiliary spring 804, wherein the third empty groove 803 is arranged at four corners of the body 12, and one end inside the third empty groove 803 is connected with the auxiliary spring 804.

The inside of the third empty groove 803 at one end of the auxiliary spring 804 is connected with a damping piece 801, and the inner wall of the third empty groove 803 is provided with an electromagnet 802.

Specifically, as shown in fig. 1, 3, 4 and 5, when the portable insulation circuit resistance tester is used, the acceleration sensor 13 receives a signal, the electromagnet 802 is controlled to be powered off and lose magnetism, so that the shock absorbing member 801 is separated from the adsorption of the magnetic force, and under the reaction force of the auxiliary spring 804, the shock absorbing member 801 is ejected from the third empty groove 803, so that the body 12 is prevented from being directly contacted with the ground and damaged.

Example 3: handle structure 9 includes first magnet 901, handle 902, extension board 903 and second magnet 904, and handle 902 sets up in the inside of second dead slot 4, and the both ends of handle 902 all are connected with extension board 903, and second magnet 904 all sets up in the inside one side of cavity 5.

One end of each extension plate 903 extends into the cavity 5, and the first magnet 901 is connected to the cavity 5 at one end of each extension plate 903.

Specifically, as shown in fig. 1 and 3, when the mechanism is used, the handle 902 is pulled, so that the extension plate 903 slides in the cavity 5, the first magnet 901 and the second magnet 904 are separated, and the handle 902 can be pulled out to carry the device. After use, the handle 902 may be accommodated in the second hollow space 4 again, and the first magnet 901 and the second magnet 904 may be fixed by being attracted to each other.

The working principle is as follows: when using this device, first, a worker needs to perform field inspection.

The first innovation point implementation step:

the first step is as follows: the handle 902 can be pulled out by pulling the handle 902 to slide the extension plate 903 inside the cavity 5 and separating the first magnet 901 and the second magnet 904.

The second step is that: the device is carried to the test point, and before the test is started, the handle 902 is again stored in the second empty groove 4, and the first magnet 901 and the second magnet 904 are attracted to each other and fixed.

Later, when using, the staff links to each other the electric current of return circuit and voltage with current incoming end 10 and voltage incoming end 3 respectively, opens switch 14 and can detect, and display screen 6 can show numerical value, if there is the magnetic field in the testing process.

The implementation step of the second innovation point:

the first step is as follows: the metal elastic sheet 2 can shield the electromagnetism to prevent the device from being interfered;

the second step is that: a small amount of electromagnetism passes through metal shell fragment 2, contacts with separation piece 7, can be absorbed by separation piece 7, further the influence of separation electromagnetism to the device for the device measures more accurately.

Finally, when the device is dropped.

The third innovation point implementation step:

the first step is as follows: the acceleration sensor 13 receives a signal, and controls the electromagnet 802 to be powered off and lose magnetism, so that the damping piece 801 is separated from the adsorption of the magnetic force;

the second step is that: under the reaction force of the auxiliary spring 804, the shock absorbing member 801 is ejected from the inside of the third empty groove 803, preventing the body 12 from directly contacting the ground surface and being damaged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. A portable insulation loop resistance tester, includes body (12), its characterized in that: the anti-falling structure (8) for preventing damage, the handle structure (9) convenient to carry and the shielding structure for preventing interference are further included;

the display screen (6) is installed at one end of the body (12), two current access ends (10) are arranged at one end of the body (12) below the display screen (6), two voltage access ends (3) are arranged at one end of the body (12) between the two current access ends (10), a switch (14) is arranged at one end of the body (12) below the voltage access ends (3), an acceleration sensor (13) is installed inside the body (12) below the switch (14), and the anti-falling structure (8) is arranged at four corners of the body (12);

a second empty groove (4) is formed in the center of the top end of the body (12), a cavity (5) is formed in the body (12) on the two sides of the second empty groove (4), and the handle structure (9) is arranged in the second empty groove (4) and the cavity (5);

first dead slot (1) have been seted up to the both sides of body (12), and shielding structure sets up in the inside of first dead slot (1).

2. The portable insulated circuit resistance tester of claim 1, wherein: the shielding structure comprises a blocking sheet (7), the blocking sheet (7) is arranged on one side of the inside of the first empty groove (1), a mounting plate (11) is arranged at the top end and the bottom end of the inside of the first empty groove (1), the mounting plate (11) is arranged on one side of the blocking sheet (7), and a metal elastic sheet (2) is arranged on one side, far away from the blocking sheet (7), of the mounting plate (11).

3. The portable insulated circuit resistance tester of claim 2, wherein: the metal elastic sheet (2) is connected with the mounting plate (11) through a bolt, and the cross section of the metal elastic sheet (2) is rectangular.

4. The portable insulated circuit resistance tester of claim 1, wherein: prevent falling structure (8) and include shock-absorbing member (801), electro-magnet (802), third dead slot (803) and auxiliary spring (804), four corners of body (12) are all seted up in third dead slot (803), and the inside one end of third dead slot (803) all is connected with auxiliary spring (804).

5. The portable insulated circuit resistance tester of claim 4, wherein: the inside of a third empty groove (803) at one end of the auxiliary spring (804) is connected with a damping piece (801), and the inner wall of the third empty groove (803) is provided with two electromagnets (802).

6. The portable instrument of any one of claims 1-5, wherein: handle structure (9) include first magnet (901), handle (902), extension board (903) and second magnet (904), handle (902) set up in the inside of second dead slot (4), and the both sides of handle (902) all are connected with extension board (903), second magnet (904) set up in the inside one side of cavity (5).

7. The portable insulated circuit resistance tester of claim 6, wherein: one end of each extending plate (903) extends into the cavity (5), and the cavity (5) at one end of each extending plate (903) is internally connected with a first magnet (901).