CN210294457U

CN210294457U - High-voltage equipment insulation measurement probe

Info

Publication number: CN210294457U
Application number: CN201920429306.7U
Authority: CN
Inventors: 付波; 戴赟
Original assignee: Hubei University of Technology
Current assignee: Hubei University of Technology
Priority date: 2019-04-01
Filing date: 2019-04-01
Publication date: 2020-04-10
Anticipated expiration: 2029-04-01

Abstract

An object of the utility model is to overcome the not enough of current insulation measurement probe, provide a safe, quick, use manpower sparingly high-voltage insulation probe scheme. The neodymium iron boron permanent magnet is additionally arranged outside the main probe, and the traditional manual supporting method is replaced by magnetic adsorption, so that the distance between a human body and the equipment to be tested and the distance between the human body and the electrified conducting wire are greatly increased, and the safety is improved. Meanwhile, an operator does not need to hold the probe by hands, so that the number of operators is reduced, and the working efficiency is improved. Through install the illumination return circuit additional on one of them probe, solve the interior not enough problem of illumination of cubical switchboard to reduce the danger that the operating personnel touched other equipment by mistake in the cubical switchboard of dark.

Description

High-voltage equipment insulation measurement probe

Technical Field

The utility model relates to a high-voltage apparatus insulation measurement probe, more in detail relates to following novel high-voltage apparatus insulation measurement probe: can make insulating measurement megger probe adhere to on the equipment surface that awaits measuring under the effect of magnetic force, conveniently measure and reduce the distance of human body and electrified body, improve the factor of safety when measuring insulation, reduce the possibility of mistake income electrified spaced under the not enough condition of light through installing lighting circuit additional simultaneously, belong to high-tension apparatus and measure and equip technical field.

Background

The existing insulation measuring probe of the high-voltage equipment is a conductor probe directly connected with a lead, and when the insulation resistance value of the high-voltage equipment is measured, a hand-held probe is required to contact the surface of the high-voltage equipment. Although the equipment has been powered down, residual charge on the surface of the conductor often shocks the operator. In the shaking process, 2500V voltage sent by the shaking meter is easy to shock an operator holding the probe. The general lighting condition is not good in the cubical switchboard inside, and operating personnel easily miss when handheld probe contact equipment to be tested touches other equipment, need additionally someone handheld flashlight illumination. Therefore, when the existing high-voltage equipment insulation probe is used, at least two persons are needed to operate, the electric shock danger is easy to occur, more operators are needed, and the safety factor is low.

In view of this, the utility model provides an insulating measuring probe of high-tension apparatus to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of current insulation measurement probe, provide a safe, quick, efficient high-voltage insulation probe scheme. The cylindrical countersunk-head neodymium-iron-boron permanent magnet is additionally arranged outside the main probe, and the conventional manual supporting method is replaced by magnetic adsorption, so that the distance between a human body and the equipment to be tested and the distance between the human body and the electrified conducting wire are greatly increased, and the safety is improved. Meanwhile, an operator does not need to hold the probe by hands, so that the number of operators is reduced, and the working efficiency is improved. Through install the illumination return circuit additional on one of them probe, solve the interior not enough problem of illumination of cubical switchboard to reduce the danger that the operating personnel touched other equipment by mistake in the cubical switchboard of dark.

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

the utility model provides an insulating measuring probe of high-tension apparatus, includes the probe body and is located the insulating probe and the wire clamp pincers at probe body both ends respectively, its characterized in that:

the insulation probe comprises a main probe body, a cylindrical open countersunk neodymium iron boron magnet and a conical solid insulation adhesive, wherein the main probe body penetrates through a center line hole of the cylindrical open countersunk neodymium iron boron magnet, a protruding part at the end part of the main probe body is clamped in the countersunk hole of the cylindrical open countersunk neodymium iron boron magnet, and the connecting position of the main probe body and the cylindrical open countersunk neodymium iron boron magnet is fixed by the conical solid insulation adhesive;

the probe body sets up an illumination module, illumination module includes emitting diode, illumination return circuit, switch, thermoplasticity pipe, battery case and battery, trompil makes the probe body pass the battery case on the battery case to fix the mutual position of battery case and probe body with the thermoplastic, the battery is installed and is provided the electric energy for the illumination return circuit in the battery case, illumination return circuit connection emitting diode, the illumination return circuit is by setting up the on-off control circuit break-make on the battery case, illumination return circuit and probe body mutual insulation and by thermoplasticity pipe and probe body reciprocal anchorage.

Further, the main body probe is a steel measuring probe, and is bent for 30 degrees at a position 3cm away from the end part for reducing the gravity moment received when being adsorbed on the equipment to be measured and facilitating the operation in a limited space.

Further, in the main part probe inserted cylindrical open countersunk head neodymium iron boron magnet, the probe head card was in the countersunk head, and the probe tip surpassed magnet about 0.2 cm.

Furthermore, in order to ensure that the main body probe is firmly connected with the measuring lead, a fixing groove is processed at the tail of the main body probe, and the main body probe and the measuring lead copper wire are fixed through a soldering tin material.

Furthermore, the fixed recess of main part probe afterbody is multilayer twill form recess, multiplicable and measurement wire copper wire area of contact, reduces resistive loss, strengthens joint strength.

Furthermore, the outer surface of the main probe is wrapped by an insulating layer, and a thermoplastic tube wrapping material is laid on the outermost layer.

Further, the battery box is fixed at the position, 50cm away from the insulating probe, of the probe body.

Further, the battery case trompil is the circular port of polishing and fills the space with the thermoplastic, can fix the position of probe body.

Furthermore, the light emitting diode is arranged at the tail end of the illumination loop and 8cm away from the insulation probe, so that illumination can be effectively provided, and interference on insulation measurement is reduced.

Furthermore, the periphery of the light emitting diode is shaded, so that light is ensured to illuminate the measuring probe in a concentrated manner.

The utility model has the advantages that: the magnetic force that cylindrical open counter sink neodymium iron boron magnet through fixing on the main probe provided adsorbs on the equipment under test for whole insulation resistance measurement process operating personnel do not than in the past handheld probe, effectively improve the human distance with electrified body, improve the security by a wide margin. The action of holding the probe by an operator is omitted, and one person can participate in the operation in the insulation measuring process. The added lighting loop provides lighting in the switch cabinet with insufficient light, so that the possibility that an operator mistakenly touches the electrified equipment is effectively reduced. Through the design, the novel high-voltage equipment insulation measuring probe has the characteristics of simple structure, safety improvement and convenience in operation.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram showing the separation of the components of the present invention.

Figure 3 is a cross-sectional view of an insulated probe unit according to the present invention.

In the figure: 1-insulating probe, 3-black wire probe, 4-red wire probe, 5-wire clamp, 11-main probe, 12-cylindrical open countersunk neodymium iron boron magnet, 13-conical solid insulating glue, 14-copper wire, 15-thermoplastic tube wrapping material, 16-insulating layer, 17-soldering material, 18-fixing groove, 21-light emitting diode, 22-lighting circuit, 23-switch, 24-thermoplastic tube, 25-battery box and 26-battery.

Detailed Description

To facilitate understanding and practice of the invention by those of ordinary skill in the art, the following detailed description of the invention is provided in connection with the examples, and it is to be understood that the examples described herein are for purposes of illustration and explanation only and are not intended to limit the invention.

Referring to fig. 1 to 3, the novel high voltage device insulation measurement probe of the present invention includes a red wire probe 4 and a black wire probe 3. The two wire probes are respectively connected with two poles of an insulation measurement megger through a wire clamp 5, the other end of the wire probe is contacted with the surface of equipment to be tested through an insulation probe 1, wherein the black wire probe 3 penetrates through a battery box 25 of an illumination circuit, the battery box 25 is perforated for threading, and the mutual positions of the black wire probe 3 and the black wire probe are fixed by thermoplastic. The battery 26 is arranged in the battery box to provide electric energy for the lighting circuit, and is connected with the light emitting diode 21 through the lighting circuit 22, and the lighting circuit is controlled by the switch 23 to be switched on and off. The illumination circuit is fixed to the black wire probe 3 by a thermoplastic tube 24 and insulated from the environment. The measuring ends of the black lead probe 3 and the red lead probe 4 are connected with the measuring probe 1.

As shown in fig. 3, measuring probe 1 is main body probe 11 mainly through the current conductor when measuring, and main body probe 11 passes cylindrical open countersunk head neodymium iron boron magnet's 12 central line hole, and the tip protruding portion card of main body probe 11 is in cylindrical open countersunk head neodymium iron boron magnet's 12 countersunk head hole, and main body probe 11 is fixed by awl type solid insulating cement 13 with cylindrical open countersunk head neodymium iron boron magnet's 12 hookup location. In order to firmly connect the main body probe 11 with the copper wire 14 in the measuring lead, a fixing groove 18 is processed at the tail part of the main body probe 11 and is fixed by a soldering material 17, so that the use strength is achieved. In order to enable the main body probe 11 to be firmly adsorbed on the surface of the equipment to be tested and reduce the moment of self gravity when the probe is adsorbed, the main body probe is bent for 30 degrees at a position 3cm away from the end part. The bending of the main probe 11 is beneficial to the flexible operation of the probe in a limited space such as a switch cabinet. The outer surface of the main probe is wrapped by an insulating layer 16, and the outermost layer is coated by a thermoplastic pipe wrapping material 15.

The fixing groove 18 at the tail part of the main probe 11 is a multi-layer twill-shaped groove, so that the contact area of the copper wire 14 of the measuring lead can be increased, the resistance loss is reduced, and the connection strength is enhanced.

Illumination return circuit battery case 25 trompil is through the circular port of polishing and fills the space with the thermoplastic, can fix the position of black wire probe 3, reduces and uses repeatedly the wearing and tearing to 3 insulating layers of black measuring wire to can prevent effectively that dust greasy dirt etc. from getting into in the illumination return circuit battery case through the trompil.

The illumination loop 22 and the black lead probe 3 are mutually insulated and fixed after being heated and shrunk by the thermoplastic tube 24, so that the mutual friction between the illumination loop 22 and the black measuring lead 3 can be reduced, the corrosion of external oil stains, dust, water and the like to an insulating layer is reduced, and an insulating waterproof layer is formed.

The light emitting diode 21 is fixed at a position 8cm away from the end of the measuring probe 1, so that illumination can be effectively provided, and interference on insulation measurement is reduced.

And the periphery of the light emitting diode 21 is shaded, so that light is ensured to intensively irradiate towards the direction of the measuring probe.

The utility model discloses a novel high-voltage apparatus insulation measurement probe designs and uses on the insulating megger of high pressure 2500V, also can use on the insulating megger of low pressure 500V, reaches the general purpose of high low pressure.

The above-mentioned embodiment only is used for further explaining the utility model discloses a novel high-voltage apparatus insulation measurement probe, nevertheless the utility model discloses do not confine the embodiment to, all according to the utility model discloses a technical entity is to any simple modification, the equivalent change and the decoration that the above embodiment was done, all falls into the utility model discloses technical scheme protection within range.

Claims

1. The utility model provides an insulating measuring probe of high-tension apparatus, includes the probe body and is located insulating probe (1) and the wire clamp (5) at probe body both ends respectively, its characterized in that:

the insulation probe (1) comprises a main body probe (11), a cylindrical open countersunk head neodymium iron boron magnet (12) and a conical solid insulation adhesive (13), wherein the main body probe (11) penetrates through a center line hole of the cylindrical open countersunk head neodymium iron boron magnet (12), the protruding part of the end part of the main body probe (11) is clamped in the countersunk head hole of the cylindrical open countersunk head neodymium iron boron magnet (12), and the connecting position of the main body probe (11) and the cylindrical open countersunk head neodymium iron boron magnet (12) is fixed by the conical solid insulation adhesive (13);

the probe body sets up an illumination module, illumination module includes emitting diode (21), illumination return circuit (22), switch (23), thermoplastic pipe (24), battery case (25) and battery (26), trompil makes the probe body pass battery case (25) on battery case (25) to fix the mutual position of battery case and probe body with the thermoplastic, battery (26) are installed and are provided the electric energy for illumination return circuit (22) in battery case (25), emitting diode (21) are connected in illumination return circuit (22), illumination return circuit (22) are by setting up switch (23) control circuit break-make on battery case (25), illumination return circuit and probe body mutual insulation and by thermoplastic pipe (24) and probe body reciprocal anchorage.

2. A high voltage equipment insulation measurement probe according to claim 1, characterized in that: the main body probe (11) is a steel measuring probe, and the main body probe (11) is bent for 30 degrees at a position 3cm away from the end part.

3. A high voltage equipment insulation measurement probe according to claim 1, characterized in that: main part probe (11) insert in cylindrical open countersunk head neodymium iron boron magnet (12), the probe head card is in the countersunk head, and the probe tip surpasss about 0.2cm of magnet.

4. A high voltage equipment insulation measurement probe according to claim 1, characterized in that: in order to ensure that the main body probe (11) is firmly connected with the measuring lead, a fixing groove is processed at the tail part of the main body probe (11), and the main body probe (11) is fixed with the measuring lead copper wire through a soldering tin material.

5. A high voltage equipment insulation measurement probe according to claim 4, characterized in that: the tail fixing groove of the main probe (11) is a multi-layer twill-shaped groove.

6. A high voltage equipment insulation measurement probe according to claim 1, characterized in that: the outer surface of the main body probe (11) is wrapped by an insulating layer, and a thermoplastic pipe wrapping material is laid on the outermost layer.

7. A high voltage equipment insulation measurement probe according to claim 1, characterized in that: the battery box (25) is fixed at a position 50cm away from the insulating probe (1) of the probe body.

8. A high voltage equipment insulation measurement probe according to claim 1, characterized in that: the battery case (25) trompil is the circular port of polishing and fills the space with the thermoplastic, can fix the position of probe body.

9. A high voltage equipment insulation measurement probe according to claim 1, characterized in that: the light emitting diode (21) is arranged at the tail end of the lighting circuit (22) and is 8cm away from the insulating probe (1).

10. A high voltage equipment insulation measurement probe according to claim 1, characterized in that: and the periphery of the light emitting diode (21) is shaded, so that light is ensured to intensively irradiate towards the direction of the measuring probe.