CN210294402U - Auxiliary device for detecting insulation resistance of megger - Google Patents

Auxiliary device for detecting insulation resistance of megger Download PDF

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Publication number
CN210294402U
CN210294402U CN201920840441.0U CN201920840441U CN210294402U CN 210294402 U CN210294402 U CN 210294402U CN 201920840441 U CN201920840441 U CN 201920840441U CN 210294402 U CN210294402 U CN 210294402U
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positive electrode
negative electrode
core
rod
megger
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卢辉琨
李兴书
陈小龙
唐勇
黎旭
肖初阳
梁飞标
谭永殿
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Baise Bureau of Extra High Voltage Transmission Co
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Baise Bureau of Extra High Voltage Transmission Co
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Abstract

The utility model discloses a megger insulation resistance detection auxiliary device, which relates to the field of auxiliary detection tools of power equipment, and comprises a connecting frame, an insulating rod, a positive electrode wire, a negative electrode wire, a positive electrode rod and a negative electrode rod, wherein the insulating rod is connected with the connecting frame, the positive electrode rod and the negative electrode rod are arranged in parallel and at intervals, the distance between any two adjacent positive electrode rods and negative electrode rods is equal to the length of an insulator so that the two ends of the insulator can be respectively contacted with the positive electrode rod and the negative electrode rod, a first conductor component and a second conductor component which are respectively communicated with the positive electrode wire and the negative electrode wire are arranged on the connecting frame, each positive electrode rod is fixed on the connecting frame through the first conductor component and is communicated with the positive electrode wire, each negative electrode rod is fixed on the connecting frame through the second conductor component and is communicated with the negative electrode wire, the positive electrode wire and the negative electrode wire are both connected with the meg, the insulator insulation resistance detection is safe, reliable, fast and efficient.

Description

Auxiliary device for detecting insulation resistance of megger
Technical Field
The utility model relates to a power equipment detects appurtenance technical field, especially relates to a megger insulation resistance detects auxiliary device.
Background
With the reform and development of power grid enterprises, the demand for power supply is increasing day by day, and ceramic insulators and glass insulators are more and more widely applied to power transmission lines. However, the aging of the insulator is accelerated due to the damage of the external environment, mechanical force and electric quantity, and the aging of the insulator greatly reduces the insulating property. Particularly, under the action of high frequency and high temperature of lightning current, thermal breakdown is easy to occur; under the high-temperature action caused by pollution flashover fault current or leakage current, the insulating property of the insulator is greatly reduced, even the insulating property is lost, and the hidden trouble of a circuit is caused.
In order to avoid the above situation, the worker needs to regularly detect the insulation resistance of the insulator, and a common method for testing the insulation resistance of the insulator is to respectively hold a test probe connected with a megger and used as an electrode by both hands of the tester to be in contact with the insulator to be tested, which has the following problems:
firstly, the safety coefficient of live working is not high, insulator insulation resistance detection is not easy to carry out, and the reliability of power supply is reduced by adopting a power failure detection mode;
secondly, the detection consumes long time and has low efficiency.
Therefore, it is desirable to provide an auxiliary device for detecting the insulation resistance of a megger, which is safe, reliable, fast and efficient, so as to enhance the versatility and applicability of the megger detection.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a megger insulation resistance detects auxiliary device to solve the problem that above-mentioned prior art exists, make insulator insulation resistance detect safe, reliable, swift, high-efficient.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a megger insulation resistance detects auxiliary device, including link, insulator spindle, positive electrode line, negative electrode line, a plurality of positive electrode pole and a plurality of negative electrode pole, the insulator spindle with the link is connected in order to increase the length of link, positive electrode pole with the negative electrode pole is parallel to each other and the interval sets up, and the interval between arbitrary two adjacent positive electrode pole with the negative electrode pole equals the length of insulator so that the both ends of insulator can respectively with positive electrode pole with the negative electrode pole contact, be provided with respectively with the first conductor subassembly and the second conductor subassembly of positive electrode line with negative electrode line intercommunication on the link, each positive electrode pole passes through first conductor subassembly is fixed in on the link, and pass through first conductor subassembly with positive electrode line intercommunication, each negative electrode rod is fixed on the connecting frame through the second conductor assembly and is communicated with the negative electrode wire through the second conductor assembly.
Preferably, the connecting frame comprises a first supporting frame and a second supporting frame which are arranged in parallel and opposite to each other, the first conductor assembly and the second conductor assembly are disposed between the first support frame and the second support frame, the first conductor assembly comprises a positive electrode holding core, a positive electrode holding rod and a first guide rod, the second conductor assembly comprises a negative electrode holding core, a negative electrode holding rod and a second guide rod, the positive electrode holding pole and the negative electrode holding pole are respectively arranged on the first support frame and the second support frame and are respectively communicated with the positive electrode wire and the negative electrode wire, the two ends of the first guide rod are respectively and fixedly connected with the positive electrode holding core and the positive electrode rod, two ends of the second guide rod are respectively fixedly connected with the negative electrode holding core and the negative electrode rod, the positive electrode holding core and the negative electrode holding core are respectively connected with the positive electrode holding rod and the negative electrode holding rod.
Preferably, the positive electrode embracing core and the negative electrode embracing core are respectively and rotatably connected with the positive electrode embracing rod and the negative electrode embracing rod.
Preferably, still include insulating cylinder, insulating cylinder cover is located the negative electrode embrace the core with the positive electrode embrace the outside of core and with the negative electrode embrace the core with the positive electrode embraces the core coaxially, insulating cylinder's both ends respectively with the positive electrode embrace the pole with the negative electrode embraces the pole and rotates and connect, the one end of first guide arm runs through insulating cylinder with the positive electrode embraces the core and connects, the one end of second guide arm runs through insulating cylinder with the negative electrode embraces the core and connects, just positive pole with negative pole follows insulating cylinder's circumference interval sets up.
Preferably, an insulating core is arranged between the positive electrode holding core and the negative electrode holding core to prevent the positive electrode holding core and the negative electrode holding core from being communicated.
Preferably, the negative electrode structure further comprises a third guide rod and a fourth guide rod, one end of the positive electrode rod is connected with the positive electrode holding core through the first guide rod, the other end of the positive electrode rod is fixed on the negative electrode holding core through the third guide rod, a first insulating sleeve is arranged at the connecting position of the third guide rod and the negative electrode holding core, one end of the negative electrode rod is connected with the positive electrode holding core through the second guide rod, the other end of the negative electrode rod is fixed on the positive electrode holding core through the fourth guide rod, and a second insulating sleeve is arranged at the connecting position of the fourth guide rod and the positive electrode holding core.
Preferably, the first conductor assembly and the second conductor assembly are both copper conductor assemblies.
Preferably, the number of the positive electrode rods and the negative electrode rods is two.
Preferably, the link still includes the third support frame, first support frame with the second support frame passes through the third support frame is connected, the insulator spindle with third support frame fixed connection, just the one end of positive electrode line with the positive electrode is embraced the pole and is connected, the other end passes in proper order first support frame the third support frame with the insulator spindle stretches out and is connected with detection device, the one end of negative electrode line with the negative electrode is embraced the pole and is connected, the other end passes in proper order the second support frame the third support frame with the insulator spindle stretch out with detection device connects.
The utility model discloses for prior art gain following technological effect:
the utility model provides a megger insulation resistance detects auxiliary device, the operation personnel are connected with the megger through being connected positive electrode line and negative electrode line during the use, the both ends that handheld insulator spindle made the insulator are connected with positive pole and negative pole respectively, positive pole and negative pole can feed back the megger with the information that detects through positive connecting wire and negative pole connecting wire, reach remote transmission information, realize detecting the purpose, this megger insulation resistance detects auxiliary device furthest guarantees power supply reliability and equipment and operation personnel personal safety, realize swiftly, it is accurate, high-efficient carry out insulator detection achievement, the dangerous accident of people is hindered to the electric shock that electrified detection appears has also been avoided, reach simultaneously and alleviate operation personnel intensity of labour, guarantee electric wire netting safety operation and the effect of personal operation safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an auxiliary device for detecting insulation resistance of a megger according to the present invention;
fig. 2 is a schematic view of a partial structure of an auxiliary device for detecting insulation resistance of a megger according to the present invention;
fig. 3 is a schematic view of a connection mode between a positive electrode holding rod, a negative electrode holding rod and a connecting frame of the auxiliary device for detecting insulation resistance of a megger provided by the present invention;
fig. 4 is a schematic view of an insulating roller structure of the auxiliary device for detecting insulation resistance of a megger according to the present invention;
fig. 5 is a schematic view of the connection mode of the positive electrode holding core, the negative electrode holding core and the insulating core of the auxiliary device for detecting insulation resistance of the megger provided by the utility model.
In fig. 1-5:
1-insulating rod, 2-connecting frame, 201-first supporting frame, 202-second supporting frame, 203-third supporting frame, 3-positive electrode holding rod, 4-positive electrode holding core, 5-first guide rod, 6-negative electrode holding rod, 7-negative electrode holding core, 8-second guide rod, 9-insulating core, 10-insulating roller, 11-third guide rod, 12-fourth guide rod, 13-positive electrode rod, 14-negative electrode rod, 15-first insulating sleeve, 16-second insulating sleeve, 17-positive electrode wire and 18-negative electrode wire.
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.
The utility model aims at providing a megger insulation resistance detects auxiliary device to solve the problem that prior art exists, make insulator insulation resistance detect safe, reliable, swift, high-efficient.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
As shown in fig. 1-5, this embodiment provides an auxiliary device for detecting insulation resistance of a megger, which includes a connecting frame 2, an insulating rod 1, a positive electrode line 17, a negative electrode line 18, a plurality of positive electrode rods 13 and a plurality of negative electrode rods 14, wherein the insulating rod 1 is connected to the connecting frame 2 to increase the length of the connecting frame 2, the positive electrode rods 13 and the negative electrode rods 14 are parallel to each other and spaced apart from each other, the spacing between any two adjacent positive electrode rods 13 and negative electrode rods 14 is equal to the length of an insulator so that two ends of the insulator can be in contact with the positive electrode rods 13 and the negative electrode rods 14 respectively, the connecting frame 2 is provided with a first conductor assembly and a second conductor assembly which are respectively communicated with the positive electrode line 17 and the negative electrode line 18, each positive electrode rod 13 is fixed to the connecting frame 2 through the first conductor assembly and is communicated with the positive electrode line 17 through the first conductor assembly, each negative electrode rod 14 is fixed to the connecting frame 2 through the, and communicates with the negative electrode line 18 through a second conductor assembly.
The utility model provides a megger insulation resistance detects auxiliary device uses through carrying on 500V-2500V or 2500V-5000V insulation megger cooperation, satisfies to stop to develop the insulator and detect the operation under the electrified condition, reduces operation safety risk and loaded down with trivial details process, and the user need not to ride and sits on insulator chain or respectively holds a test probe as the electrode that links to each other with the megger with both hands and contacts with the insulator and test. When the device is used, an operator connects the positive electrode wire 17 and the negative electrode wire 18 with the megger, the insulator 1 is held by a hand to enable two ends of the insulator to be respectively connected with the positive electrode rod 13 and the negative electrode rod 14, and the positive electrode rod and the negative electrode rod can feed detected information back to the megger through the positive connecting wire and the negative connecting wire, so that the aim of transmitting the information remotely is fulfilled.
In some embodiments, the connecting frame 2 includes a first supporting frame 201 and a second supporting frame 202 which are arranged in parallel and opposite to each other, the first conductor assembly and the second conductor assembly are arranged between the first supporting frame 201 and the second supporting frame 202, the first conductor assembly includes a positive electrode embracing core 4, a positive electrode embracing rod 3 and a first guide rod 5, the second conductor assembly includes a negative electrode embracing core 7, a negative electrode embracing rod 6 and a second guide rod 8, preferably, the positive electrode embracing rod 3 and the negative electrode embracing rod 6 are rectangular plates, the positive electrode embracing rod 3 and the negative electrode embracing rod 6 are respectively mounted on the first supporting frame 201 and the second supporting frame 202 and respectively communicate with a positive electrode wire 17 and a negative electrode wire 18, two ends of the first guide rod 5 are respectively fixedly connected with the positive electrode embracing core 4 and a positive electrode rod 13, two ends of the second guide rod 8 are respectively fixedly connected with the negative electrode embracing core 7 and a negative electrode rod 14, the positive electrode embracing core 4 and the negative electrode embracing core, with the arrangement, the positive electrode wire 17 and the negative electrode wire 18 are prevented from being wound with each other along with the rotation of the positive electrode rod 13 and the negative electrode rod 14, the use safety of the device is improved, and the service life of the device is prolonged.
In some embodiments, the positive electrode holding core 4 and the negative electrode holding core 7 are respectively rotatably connected with the positive electrode holding rod 3 and the negative electrode holding rod 6, so that the positive electrode rod 13 and the negative electrode rod 14 can roll along with the connection point of the detected equipment under the operation of an operator, the precision degree of detection can be guaranteed through raceway detection, the rapid operation of reducing the processes can be achieved, and the field applicability of the device is improved.
In some embodiments, the utility model provides a megger insulation resistance detection auxiliary device further includes an insulating roller 10, the insulating roller 10 is sleeved outside the negative electrode embracing core 7 and the positive electrode embracing core 4 and is coaxial with the negative electrode embracing core 7 and the positive electrode embracing core 4, two ends of the insulating roller 10 are respectively rotatably connected with the positive electrode embracing rod 3 and the negative electrode embracing rod 6, one end of the first guide rod 5 penetrates through the insulating roller 10 to be connected with the positive electrode embracing core 4, one end of the second guide rod 8 penetrates through the insulating roller 10 to be connected with the negative electrode embracing core 7, the positive electrode rod 13 and the negative electrode rod 14 are arranged along the circumferential direction of the insulating roller 10 at intervals, the arrangement of the insulating roller 10 avoids the occurrence of touching the detected equipment during the rotation of the positive electrode embracing core 4 and the negative electrode embracing core 7, and avoids the too close included angle between the positive electrode rod 13 and the negative electrode rod 14 to form a discharge channel, the short circuit is caused, the insulating property of the device is enhanced, and the sensitivity of the electrode for transmitting signals is ensured.
In some embodiments, an insulating core 9 is disposed between the positive electrode holding core 4 and the negative electrode holding core 7 to prevent the positive electrode holding core 4 and the negative electrode holding core 7 from communicating with each other, which may cause short circuit or damage to the detection instrument.
In some embodiments, the auxiliary device for detecting insulation resistance of a megohmmeter further comprises a third guide rod 11 and a fourth guide rod 12, one end of the positive electrode rod 13 is connected with the positive electrode holding core 4 through the first guide rod 5, the other end of the positive electrode rod is fixed on the negative electrode holding core 7 through the third guide rod 11, a first insulating sleeve 15 is arranged at the connecting position of the third guide rod 11 and the negative electrode holding core 7, one end of the negative electrode rod 14 is connected with the positive electrode holding core 4 through the second guide rod 8, the other end of the negative electrode rod is fixed on the positive electrode holding core 4 through the fourth guide rod 12, a second insulating sleeve 16 is arranged at the connecting position of the fourth guide rod 12 and the positive electrode holding core 4, and by arranging the third guide rod 11 and the fourth guide rod 12, the stability of the positive electrode rod 13 and the negative electrode rod.
In some embodiments, the first conductor assembly and the second conductor assembly are both copper conductor assemblies, and thus, the first conductor assembly and the second conductor assembly have good electrical conductivity and low device cost.
In some embodiments, the number of the positive electrode rods 13 and the negative electrode rods 14 is two.
In some embodiments, the connecting frame 2 further includes a third support frame 203, the first support frame 201 and the second support frame 202 are connected through the third support frame 203, the insulating rod 1 is fixedly connected with the third support frame 203, one end of the positive electrode wire 17 is connected with the positive electrode holding rod 3, the other end of the positive electrode wire sequentially penetrates through the first support frame 201, the third support frame 203 and the insulating rod 1 and extends out to be connected with the detection device, one end of the negative electrode wire 18 is connected with the negative electrode holding rod 6, and the other end of the negative electrode wire 18 sequentially penetrates through the second support frame 202, the third support frame 203 and the insulating rod 1 and extends out to be connected with the detection device.
It should be noted that the utility model provides a megger insulation resistance detects auxiliary device is not only applicable to the detection of insulator resistance, still is applicable to the detection of other equipment resistance, and through the check out test set cooperation with the difference or according to the detection needs of difference, this megger insulation resistance detects auxiliary device still can detect other electrical parameters, such as electric current and voltage.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (9)

1. The utility model provides a megger insulation resistance detects auxiliary device which characterized in that: the insulator comprises a connecting frame, an insulating rod, a positive electrode wire, a negative electrode wire, a plurality of positive electrode rods and a plurality of negative electrode rods, wherein the insulating rod is connected with the connecting frame to increase the length of the connecting frame, the positive electrode rods and the negative electrode rods are parallel to each other and are arranged at intervals, the distance between any two adjacent positive electrode rods and the negative electrode rods is equal to the length of an insulator, so that two ends of the insulator can be respectively contacted with the positive electrode rods and the negative electrode rods, a first conductor assembly and a second conductor assembly which are respectively communicated with the positive electrode wire and the negative electrode wire are arranged on the connecting frame, each positive electrode rod is fixed on the connecting frame through the first conductor assembly and is communicated with the positive electrode wire through the first conductor assembly, and each negative electrode rod is fixed on the connecting frame through the second conductor assembly, and communicates with the negative electrode line through the second conductor assembly.
2. The megger insulation resistance detection auxiliary device of claim 1, wherein: the connecting frame comprises a first supporting frame and a second supporting frame which are arranged in parallel and opposite to each other, the first conductor assembly and the second conductor assembly are arranged between the first supporting frame and the second supporting frame, the first conductor assembly comprises a positive electrode holding core, a positive electrode holding rod and a first guide rod, the second conductor assembly comprises a negative electrode holding core, a negative electrode holding rod and a second guide rod, the positive electrode holding pole and the negative electrode holding pole are respectively arranged on the first support frame and the second support frame and are respectively communicated with the positive electrode wire and the negative electrode wire, the two ends of the first guide rod are respectively and fixedly connected with the positive electrode holding core and the positive electrode rod, two ends of the second guide rod are respectively fixedly connected with the negative electrode holding core and the negative electrode rod, the positive electrode holding core and the negative electrode holding core are respectively connected with the positive electrode holding rod and the negative electrode holding rod.
3. The megger insulation resistance detection auxiliary device of claim 2, wherein: the positive electrode holding core and the negative electrode holding core are respectively rotatably connected with the positive electrode holding rod and the negative electrode holding rod.
4. The megger insulation resistance detection auxiliary device of claim 3, wherein: still include insulating cylinder, insulating cylinder cover is located the negative electrode embrace the core with the positive electrode embrace the outside of core and with the negative electrode embrace the core with the positive electrode embraces the core coaxial, insulating cylinder's both ends respectively with the positive electrode embrace the pole with the negative electrode embraces the pole and rotates the connection, the one end of first guide arm runs through insulating cylinder with the positive electrode embraces the core and connects, the one end of second guide arm runs through insulating cylinder with the negative electrode embraces the core and connects, just positive pole with negative pole follows insulating cylinder's circumference interval sets up.
5. The megger insulation resistance detection auxiliary device of claim 2, wherein: an insulating core is arranged between the positive electrode holding core and the negative electrode holding core to prevent the positive electrode holding core from being communicated with the negative electrode holding core.
6. The megger insulation resistance detection auxiliary device of claim 2, wherein: still include third guide arm and fourth guide arm, the one end of positive electrode pole through first guide arm with the positive electrode is embraced the core and is connected, the other end passes through the third guide arm is fixed in the negative electrode is embraced on the core, just the third guide arm with the negative electrode is embraced the hookup location of core and is provided with first insulating cover, the one end of negative electrode pole through the second guide arm with the positive electrode is embraced the core and is connected, the other end passes through the fourth guide arm is fixed in the positive electrode is embraced on the core, just the fourth guide arm with the hookup location that the core was embraced to the positive electrode is provided with the second insulating cover.
7. The megger insulation resistance detection auxiliary device of claim 1, wherein: the first conductor assembly and the second conductor assembly are both copper conductor assemblies.
8. The megger insulation resistance detection auxiliary device of claim 1, wherein: the number of the positive electrode rods and the number of the negative electrode rods are two.
9. The megger insulation resistance detection auxiliary device of claim 2, wherein: the link still includes the third support frame, first support frame with the second support frame passes through the third support frame is connected, the insulator spindle with third support frame fixed connection, just the one end of positive electrode line with the positive electrode is embraced the pole and is connected, the other end passes in proper order first support frame the third support frame with the insulator spindle stretches out and is connected with detection device, the one end of negative electrode line with the negative electrode is embraced the pole and is connected, the other end passes in proper order the second support frame the third support frame with the insulator spindle stretch out with detection device connects.
CN201920840441.0U 2019-06-05 2019-06-05 Auxiliary device for detecting insulation resistance of megger Active CN210294402U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110095652A (en) * 2019-06-05 2019-08-06 中国南方电网有限责任公司超高压输电公司百色局 A kind of megameter insulation resistance detection auxiliary device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110095652A (en) * 2019-06-05 2019-08-06 中国南方电网有限责任公司超高压输电公司百色局 A kind of megameter insulation resistance detection auxiliary device

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