CN213091789U

CN213091789U - Cable dead-ground fault detection device by audio twisting method

Info

Publication number: CN213091789U
Application number: CN202022006527.9U
Authority: CN
Inventors: 张余祥; 张国庆
Original assignee: Anhui Lixiang Electric Power Technology Services Co ltd
Current assignee: Anhui Lixiang Electric Power Technology Services Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-04-30
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses an audio frequency transposition method dead ground fault detection device of cable, including detection case and case lid, the upper surface swing joint of detection case installs the case lid, the front surface fixed connection of detection case installs the handle, the internal surface of case lid is equipped with the display screen, power source is installed to the upper surface fixed connection of detection case, the upper surface of detection case is located power source's rear fixed connection and installs switch, the upper surface of detection case is located one side of switch's rear and is equipped with the operation button, the upper surface of detection case is located one side fixed connection of operation button and is installed horizontal adjustment knob, the upper surface of detection case is located one side fixed connection of horizontal adjustment knob and installs amplitude adjust knob. Audio frequency transposition method dead earth fault detection device of cable, can make things convenient for carrying of detection device to can place a plurality of equipment casees and carry simultaneously, the gyro wheel can be realized hiding and not use.

Description

Cable dead-ground fault detection device by audio twisting method

Technical Field

The utility model relates to a cable fault detection device field, in particular to dead earth fault detection device of audio frequency transposition method cable.

Background

When the interphase insulation resistance or the relative ground insulation resistance of a cable fault is between 0.00 and 10.00 ohms, a cable professional is called as a dead ground fault, also called as a zero resistance ground fault or a permanent ground fault, and as the insulation resistance of a dead ground fault point is very low or even close to zero, even if the larger impact energy and impact voltage are adopted, the discharge sound of the fault point is very weak or can not discharge, the accurate positioning of the fault point is very difficult, the method for solving the dead ground fault is to adopt an audio method comprising an audio twisting method and a minimum distortion method, namely, a high-power audio generator is connected with the cable to send an audio signal, then an audio receiver is used for accurately positioning the point near the fault point, and when the detection is carried out outdoors, a plurality of devices are required to be carried for matched detection, so that the method is widely applicable to the field of cable fault detection devices; however, the cable fault detection device at the present stage has some defects, some tools are often required to be carried when the cable fault detection is carried out, the carried tools cannot be placed in a unified mode, hands required for carrying the tools are added, and the roller on the lower surface of the detection box cannot be hidden, so that the practicability of the roller is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides the dead ground fault detection device of cable of audio frequency transposition method can effectively solve and can not unify the problem in the technique of placing and the gyro wheel can not use in a flexible way to detection device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the dead ground fault detection device of the cable by the audio twisting method comprises a detection box and a box cover, wherein the box cover is movably connected to the upper surface of the detection box, a carrying handle is fixedly connected to the front surface of the detection box, a display screen is arranged on the inner surface of the box cover, a power interface is fixedly connected to the upper surface of the detection box, a power switch is fixedly connected to the upper surface of the detection box at the rear of the power interface, an operation key is arranged on one side of the upper surface of the detection box at the rear of the power switch, a horizontal adjusting knob is fixedly connected to one side of the upper surface of the detection box at the operation key, an amplitude adjusting knob is fixedly connected to one side of the upper surface of the detection box at the horizontal adjusting knob, and a signal input connection port is fixedly connected to the upper surface of the detection box at the front of the amplitude adjusting knob, the utility model discloses a signal input connection port's the place ahead fixed connection that the upper surface of detection case is located signal input connection port installs the ground connection port, the upper surface of detection case is located the place ahead fixed connection of ground connection port and installs the connector, one side fixed connection that the upper surface of detection case is located the connector installs the equipment connector, one side fixed connection that the upper surface of detection case is located the equipment connector installs the USB connector, one side fixed connection that the upper surface of detection case is located the USB connector installs the earphone connector, the front fixed connection that the upper surface of detection case is located the rear of USB connector and operation button installs the printer, the rear surface fixed connection of detection case installs the pull rod, the lower fixed connection of detection case installs the gyro wheel.

Preferably, the front surface of the detection box is fixedly connected with and provided with a fixed retaining ring at two sides of the handle, the front surface of the detection box is provided with an inner groove, the surface of one side of the detection box is provided with a heat dissipation mesh hole, the lower surface of the detection box is provided with a wheel groove, and the upper surface of the detection box is provided with a placing groove at one side of the power interface.

Preferably, one side fixed connection of pull rod installs the telescopic band, the opposite side fixed connection of pull rod installs the couple, one side and the opposite side of pull rod respectively fixed connection install two telescopic bands and couple.

Preferably, the roller is movably connected with the detection box through a roller groove, and the box cover is movably connected with the detection box through a hinge.

Preferably, the display screen is electrically connected with the detection box through a connector, and the handle is fixed with the detection box through an inner groove.

Preferably, the front surface of the box cover is fixedly connected with a fixed block.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the telescopic band that sets up, can place a plurality of toolboxes in the top of detection case when the pull rod is pulled out, and fix the toolboxes of placing through the telescopic band, alone alright with realize carrying a plurality of toolboxes, reduced the needs on the number, through the gyro wheel that sets up, can hide the gyro wheel when not needing, increased the practicality of gyro wheel.

Drawings

Fig. 1 is a schematic view of the overall structure of the dead ground fault detection device for cables by the audio twisting method of the present invention;

fig. 2 is a bottom view of the dead ground fault detection device of the cable with the audio twisting method of the present invention;

fig. 3 is a left side view of the dead ground fault detection device of the cable with the audio twisting method of the present invention;

fig. 4 is the local back view that expands of the dead earth fault detection device of audio transposition method cable of the utility model.

In the figure: 1. a detection box; 101. a fixed retaining ring; 102. an inner groove; 103. radiating meshes; 104. a wheel groove; 105. a placement groove; 2. a box cover; 201. a fixed block; 3. a handle; 4. a display screen; 5. a power interface; 6. a power switch; 7. operating a key; 8. a horizontal adjusting knob; 9. an amplitude adjustment knob; 10. a signal input connection port; 11. a ground port; 12. a connector; 13. an equipment connecting port; 14. a USB connector; 15. an earphone connector; 16. a printer; 17. a pull rod; 1701. a stretchable band; 1702. hooking; 18. and a roller.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

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 which the reference is made 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," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

As shown in fig. 1-4, the cable dead-ground fault detection device by audio twisting method includes a detection box 1 and a box cover 2, the upper surface of the detection box 1 is movably connected with the box cover 2, the front surface of the detection box 1 is fixedly connected with a handle 3, the inner surface of the box cover 2 is provided with a display screen 4, the upper surface of the detection box 1 is fixedly connected with a power interface 5, the upper surface of the detection box 1 is fixedly connected with a power switch 6 at the rear of the power interface 5, one side of the upper surface of the detection box 1 at the rear of the power switch 6 is provided with an operation key 7, one side of the upper surface of the detection box 1 at the operation key 7 is fixedly connected with a horizontal adjustment knob 8, one side of the upper surface of the detection box 1 at the horizontal adjustment knob 8 is fixedly connected with an amplitude adjustment knob 9, the upper surface of the detection box 1 at the front of the amplitude adjustment knob 9 is fixedly connected with a signal input connection port 10, the upper surface of the detection box 1 is fixedly connected with a grounding port 11 in front of a signal input connecting port 10, the upper surface of the detection box 1 is fixedly connected with a connector 12 in front of the grounding port 11, one side of the upper surface of the detection box 1, which is positioned on the connector 12, is fixedly connected with an equipment connecting port 13, one side of the upper surface of the detection box 1, which is positioned on the equipment connecting port 13, is fixedly connected with a USB (universal serial bus) connecting port 14, one side of the upper surface of the detection box 1, which is positioned on the USB connecting port 14, is fixedly connected with an earphone connecting port 15, the upper surface of the detection box 1 is positioned behind the USB connecting port 14 and is fixedly connected with a printer 16 in front of an operation key 7, the rear surface of the detection box 1 is fixedly connected with a pull rod 17, the lower surface of the detection box 1 is fixedly connected with a roller 18, the roller 18 can be hidden when the roller 18 is not needed, and the;

the front surface of the detection box 1 is fixedly connected and installed with fixed retaining rings 101 at two sides of the handle 3, the front surface of the detection box 1 is provided with an inner groove 102, one side surface of the detection box 1 is provided with a heat dissipation mesh 103, the lower surface of the detection box 1 is provided with a wheel groove 104, and the upper surface of the detection box 1 is provided with a placing groove 105 at one side of the power interface 5; one side of the pull rod 17 is fixedly connected with a telescopic belt 1701, the telescopic belt 1701 can place a plurality of tool boxes above the detection box 1 when the pull rod 17 is pulled out, the placed tool boxes are fixed through the telescopic belt 1701, one person can carry the plurality of tool boxes, the number of people is reduced, the other side of the pull rod 17 is fixedly connected with a hook 1702, and one side and the other side of the pull rod 17 are respectively fixedly connected with two telescopic belts 1701 and two hooks 1702; the roller 18 is movably connected with the detection box 1 through a roller groove 104, and the box cover 2 is movably connected with the detection box 1 through a hinge; the display screen 4 is electrically connected with the detection box 1 through the connector 12, and the handle 3 is fixed with the detection box 1 through the inner groove 102; the front surface of the case cover 2 is fixedly connected with a fixing block 201.

It should be noted that, the utility model discloses an audio frequency transposition method cable death ground fault detection device, pull rod 17 is pulled out the hypsokinesis oblique pull rod 17 alright place a plurality of toolboxes in the top of detection case 1 when using, the toolbox of placing passes through telescopic band 1701 and couple 1702 and fixes in the top of detection case 1, make and can not drop at the removal in-process, telescopic band 1701 can automatic withdrawal after breaking away from with couple 1702, gyro wheel 18 can overturn out race 104 when using pull rod 17 and use, can overturn return race 104 again when not using, make gyro wheel 18 hide, some equipment such as connecting wire can be placed in the standing groove 105, the space of detection case 1 has been expanded.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Dead ground fault detection device of audio frequency transposition method cable, its characterized in that: comprises a detection box (1) and a box cover (2), wherein the upper surface of the detection box (1) is movably connected with the box cover (2), the front surface of the detection box (1) is fixedly connected with a carrying handle (3), the inner surface of the box cover (2) is provided with a display screen (4), the upper surface of the detection box (1) is fixedly connected with a power supply interface (5), the upper surface of the detection box (1) is fixedly connected with a rear of the power supply interface (5) and is provided with a power supply switch (6), one side of the upper surface of the detection box (1) which is positioned at the rear of the power supply switch (6) is provided with an operation key (7), one side of the upper surface of the detection box (1) which is positioned at the operation key (7) is fixedly connected with a horizontal adjusting knob (8), one side of the upper surface of the detection box (1) which is positioned at the horizontal adjusting knob (8) is provided with an amplitude adjusting knob (9), the utility model discloses a vibration amplitude control device, including detection case (1), ground connection port (11), ground connection port (12), one side fixed connection and equipment connector (13), the upper surface of detection case (1) is located the place ahead fixed connection of amplitude regulation knob (9), the upper surface of detection case (1) is located the place ahead fixed connection of signal input connection port (10) and installs ground connection port (11), the upper surface of detection case (1) is located the place ahead fixed connection of ground connection port (11) and installs connector (12), the upper surface of detection case (1) is located one side fixed connection and installs USB connector (14) of equipment connector (13), the upper surface of detection case (1) is located one side fixed connection and installs connector earphone (15) of USB connector (14), the upper surface of detection case (1) is located the rear of USB connector (14) and the place ahead fixed connection of operation button (7) installs and prints The device comprises a machine (16), a pull rod (17) is fixedly connected and installed on the rear surface of the detection box (1), and a roller (18) is fixedly connected and installed on the lower surface of the detection box (1).

2. The audio twisting method cable dead-ground fault detection device according to claim 1, wherein: the front surface of the detection box (1) is located at two sides of the handle (3) and is fixedly connected with a fixing buckle ring (101), an inner groove (102) is formed in the front surface of the detection box (1), a heat dissipation mesh (103) is formed in the surface of one side of the detection box (1), a wheel groove (104) is formed in the lower surface of the detection box (1), and a placement groove (105) is formed in one side, located at the power interface (5), of the upper surface of the detection box (1).

3. The audio twisting method cable dead-ground fault detection device according to claim 1, wherein: telescopic bands (1701) are fixedly connected to one side of the pull rod (17), hooks (1702) are fixedly connected to the other side of the pull rod (17), and two telescopic bands (1701) and hooks (1702) are respectively fixedly connected to one side and the other side of the pull rod (17).

4. The audio twisting method cable dead-ground fault detection device according to claim 1, wherein: the roller (18) is movably connected with the detection box (1) through a roller groove (104), and the box cover (2) is movably connected with the detection box (1) through a hinge.

5. The audio twisting method cable dead-ground fault detection device according to claim 1, wherein: the display screen (4) is electrically connected with the detection box (1) through a connector (12), and the handle (3) is fixed with the detection box (1) through an inner groove (102).

6. The audio twisting method cable dead-ground fault detection device according to claim 1, wherein: the front surface of the box cover (2) is fixedly connected with a fixing block (201).