CN106370971A - Electric leakage detection device - Google Patents

Abstract

The invention discloses a leakage detection device, which comprises a detection terminal, an insulating extension rod and a control terminal wirelessly connected with the detection terminal, and an installation joint is connected between the detection terminal and the insulation extension rod; the detection terminal includes a machine body, The middle part of the body is provided with a detection module, and the front end of the body is provided with calipers that can be opened and closed, and a reset member is clamped between the inner ends of the two calipers of the calipers; the control terminal includes a handheld computer. A display screen and a keyboard are arranged on the handheld device. The leakage detection device can implement leakage detection safely and efficiently under different working conditions.

Description

A leakage detection device

technical field

The invention relates to the technical field of supporting equipment for inspection and maintenance of power transmission and transformation lines, in particular to a leakage detection device.

Background technique

At present, during the daily inspection and maintenance of power transmission and transformation lines, leakage inspections are usually carried out on the corresponding lines or power transmission and transformation components. The main tool for current leakage investigation is a hand-held milliampere clamp meter, which is measured step by step from the distribution transformer area to the branch line, and from the branch line to the user terminal. This process may require pole-mounted work, and some may be due to environmental height issues. Unmeasured or short-term leakage problems cannot be measured, which undoubtedly causes hidden dangers to the safe and stable operation of the line, and also adversely affects related power transmission and transformation operations and line inspection and maintenance.

Therefore, how to implement leakage detection safely and efficiently under different working conditions is an important technical problem to be solved by those skilled in the art.

Contents of the invention

The object of the present invention is to provide a leakage detection device, which can implement leakage detection safely and efficiently under different working conditions.

In order to solve the above technical problems, the present invention provides a leakage detection device, including a detection terminal, an insulating extension rod, and a control terminal wirelessly connected to the detection terminal, and an installation joint is connected between the detection terminal and the insulation extension rod;

The detection terminal includes a body, a detection module is arranged in the middle of the body, a caliper is arranged at the front end of the body to be able to open and close, and a reset member is clamped between the inner ends of the two caliper of the caliper;

The control terminal includes a handheld computer, and the handheld computer is provided with a display screen and a keyboard.

Preferably, the installation joint includes a front joint and a rear joint coaxially sleeved on the rear part of the front joint, the front end of the front joint has a front screw hole extending along its axial direction, and the rear end of the detection terminal The part has a stud threaded with the front screw hole, and the rear end of the rear joint has a rear screw hole extending along its axial direction and threaded with the insulating extension rod.

Preferably, a locking hole is formed on the side wall of the front end of the rear connector, and bayonet pins snap fit to the locking hole are provided on both sides of the middle part of the front connector.

Preferably, the locking hole is an "L" shaped hole.

Preferably, the side of the detection terminal has a side screw hole, and an adjusting wrench threadedly fitted into the side screw hole is inserted into the side screw hole, and the inner end of the adjusting wrench is connected to the inside of the caliper The ends match.

Preferably, the reset member is a spring.

Preferably, the front end of the caliper body of the caliper has a guiding arc surface.

Compared with the above-mentioned background technology, during the assembly and use of the leakage detection device provided by the present invention, under normal working conditions, the staff only need to clamp the caliper to the corresponding cable to pass the wireless connection between the detection terminal and the control terminal. Cooperate with the implementation of the leakage detection of the corresponding cables; when it is necessary to carry out the leakage detection of equipment or cables at a higher position or which is not easy to directly implement special work positions, the detection terminal is reliably installed on the front end of the insulating extension rod through the installation joint, so that The staff can send the detection terminal to the detection station at a higher position to perform leakage detection by holding the rear end of the insulating extension rod. The leakage detection device can meet the requirements of electric equipment or cable leakage detection operations at high positions or special positions, and avoids dangerous operations such as high-altitude operations or pole-climbing operations, thereby greatly reducing the labor intensity of the staff. , improves the safety of leakage detection, and its operation process is simple and easy, and the detection efficiency is high.

In another preferred solution of the present invention, the installation joint includes a front joint and a rear joint coaxially sleeved at the rear of the front joint, and the front end of the front joint has a front screw hole extending axially, The rear end of the detection terminal has a stud threaded with the front screw hole, and the rear end of the rear joint has a rear screw hole extending along its axial direction and threaded with the insulating extension rod. In actual operation, this threaded connection structure can effectively ensure the assembly reliability between the installation joint, the detection terminal and the extension rod, and the threaded connection structure is easy to disassemble, which can further improve the operating efficiency of the leakage detection device.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic structural view of the detection terminal part of the leakage detection device provided by a specific embodiment of the present invention;

Fig. 2 is a schematic structural view of the installation joint part of the leakage detection device provided by a specific embodiment of the present invention;

Fig. 3 is a schematic structural diagram of the control terminal part of the leakage detection device provided by a specific embodiment of the present invention.

detailed description

The core of the present invention is to provide a leakage detection device, which can implement leakage detection safely and efficiently under different working conditions.

In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to Figures 1 to 3, Figure 1 is a schematic structural view of the detection terminal part of the leakage detection device provided by a specific embodiment of the present invention; Figure 2 is the installation of the leakage detection device provided by a specific embodiment of the present invention Schematic diagram of the structure of the joint part; FIG. 3 is a schematic diagram of the structure of the control terminal part of the leakage detection device provided by a specific embodiment of the present invention.

In a specific embodiment, the leakage detection device provided by the present invention includes a detection terminal, an insulating extension rod, and a control terminal wirelessly connected to the detection terminal, and an installation joint is connected between the detection terminal and the insulation extension rod; the detection terminal includes a body 11, The middle part of the body 11 is provided with a detection module 111, and the front end of the body 11 is provided with a caliper 112 which can be opened and closed. 13 is provided with display screen 131 and keyboard 132.

In the process of assembly and use, under normal working conditions, the staff only need to clamp the caliper 112 to the corresponding cable, and then implement the leakage detection of the corresponding cable through the wireless cooperation between the detection terminal and the control terminal; When leakage detection is performed on equipment or cables in special positions where it is difficult to directly implement operations, the detection terminal is reliably installed on the front end of the insulation extension rod through the installation joint, so that the staff can detect the leakage by holding the rear end of the insulation extension rod. The terminal is sent to the detection station at a higher position for leakage detection. The leakage detection device can meet the requirements of electric equipment or cable leakage detection operations at high positions or special positions, and avoids dangerous operations such as high-altitude operations or pole-climbing operations, thereby greatly reducing the labor intensity of the staff. , improves the safety of leakage detection, and its operation process is simple and easy, and the detection efficiency is high.

In addition, the reset member 113 can provide an appropriate reset clamping force for the caliper 112 to ensure that the two caliper bodies of the caliper 112 are clamped stably and fully.

Further, the installation joint includes a front joint 121 and a rear joint 122 coaxially sleeved at the rear of the front joint 121. The front end of the front joint 121 has a front screw hole 123 extending along its axial direction, and the rear end of the detection terminal has a The front screw hole 123 is screwed with the stud 114 , and the rear end of the rear joint 122 has a rear screw hole 124 extending along its axial direction and screwed with the insulating extension rod. In actual operation, this kind of threaded connection structure can effectively ensure the assembly reliability between the installation joint, the detection terminal and the extension rod, and the disassembly and assembly of the threaded connection structure is relatively simple, which can further improve the operation efficiency of the leakage detection device.

More specifically, a locking hole 125 is formed on the side wall of the front end of the rear joint 122 , and bayonet pins 126 snap fit to the locking hole 125 are provided on both sides of the middle of the front joint 121 . When assembling, the locking pin 126 is snapped into the locking hole 125, so that the front joint 121 and the rear joint 122 can be securely snapped and assembled to ensure the assembly strength and reliability of the entire installation joint and its associated fittings.

In addition, the locking hole is an "L" shaped hole. This kind of "L" shaped hole makes the bayonet pin 126 snap into the locking hole 125 in the axial direction, and then the rear joint 122 and the front joint 121 are rotated at a certain angle relative to the circumference, so that the bayonet pin 126 is snapped into the locking hole. 125 in the radial extension section, so as to prevent the locking pin 126 and the locking hole 125 from axially moving relative to each other, misaligning or even falling off after the assembly is completed.

On the other hand, the side of the detection terminal has a side screw hole 115, and the side screw hole 115 is inserted with an adjusting wrench 116 threaded with the side screw hole 115. department to match. During actual operation, when it is necessary to open the caliper 112 to a large angle or under special working conditions, the staff screw the adjustment wrench 116 so that it extends into the body 11 and contacts the inner end side of the caliper 112, and then Continue to turn the adjustment wrench 116 to apply a lateral force to the inner end of the pliers, so that the pliers can overcome the reset force of the reset part 113 and open to an appropriate angle, so as to implement the corresponding operation. After the operation is completed, turn it in the opposite direction Turn the adjustment wrench 116 to make it out of contact with the caliper body of the caliper 112, so that the caliper body can be reset under the action of the reset member 113.

In addition, the reset member 113 is a spring. The structure of the spring is simple and the force transmission is uniform and stable. It can effectively guarantee the reliability and working efficiency of the opening and closing operation process related to the caliper 112 .

In addition, the front end of the caliper body of the caliper 112 has a guiding arc surface 116 . The guide arc surface 116 can make the cable slide and be inserted between the two caliper bodies of the caliper 112 more smoothly, and the cable can slide out of the caliper 112 from the guide arc surface 116 by pulling away from the leakage detection device after the work is completed. jaws, thereby further improving the operating efficiency of the leakage detection device and reducing its operational difficulty.

In summary, the leakage detection device provided in the present invention includes a detection terminal, an insulating extension rod, and a control terminal wirelessly connected to the detection terminal, and an installation joint is connected between the detection terminal and the insulation extension rod; the detection terminal It includes a body, a detection module is arranged in the middle of the body, a caliper is arranged at the front end of the body so that it can be opened and closed, and a reset member is clamped between the inner ends of the two caliper of the caliper; the control terminal includes a palm The handheld computer is provided with a display screen and a keyboard. In the process of assembly and use, under normal working conditions, the staff only need to clamp the caliper to the corresponding cable, and then implement the leakage detection of the corresponding cable through the wireless cooperation between the detection terminal and the control terminal; Or when it is difficult to directly implement the leakage detection of equipment or cables in special stations, the detection terminal is reliably installed on the front end of the insulation extension rod through the installation joint, so that the staff can hold the rear end of the insulation extension rod to connect the detection terminal Sent to the detection station at a higher position for leakage detection. The leakage detection device can meet the requirements of electric equipment or cable leakage detection operations at high positions or special positions, and avoids dangerous operations such as high-altitude operations or pole-climbing operations, thereby greatly reducing the labor intensity of the staff. , improves the safety of leakage detection, and its operation process is simple and easy, and the detection efficiency is high

The leakage detection device provided by the present invention has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present invention, and the descriptions of the above embodiments are only used to help understand the method and core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (7)

1. A leakage detection device, characterized in that: comprising a detection terminal, an insulating extension rod and a control terminal wirelessly connected to the detection terminal, an installation joint is connected between the detection terminal and the insulation extension rod; The detection terminal includes a body, a detection module is arranged in the middle of the body, a caliper is arranged at the front end of the body to be able to open and close, and a reset member is clamped between the inner ends of the two caliper of the caliper; The control terminal includes a handheld computer, and the handheld computer is provided with a display screen and a keyboard. 2. The electric leakage detection device as claimed in claim 1, characterized in that: the installation joint includes a front joint and a rear joint coaxially sleeved on the rear portion of the front joint, and the front end of the front joint has a The rear end of the detection terminal has a stud threaded with the threaded hole, and the rear end of the rear joint has a rear end extending along its axial direction and threaded with the insulating extension rod. screw holes. 3. The electric leakage detection device according to claim 2, characterized in that: the side wall of the front end of the rear joint has a locking hole, and the two sides of the middle part of the front joint are provided with locking holes to engage with the locking hole. Adaptive bayonet. 4. The leakage detection device according to claim 3, wherein the locking hole is an "L"-shaped hole. 5. The leakage detection device according to claim 1, characterized in that: the side of the detection terminal has a side screw hole, and an adjusting wrench threaded with the side screw hole is inserted into the side screw hole, so that The inner end of the adjustment wrench is matched with the inner end of the caliper. 6. The leakage detection device according to claim 1, characterized in that: the reset member is a spring. 7. The electric leakage detection device according to claim 1, characterized in that: the front end of the caliper body has a guide arc surface.