CN212989534U - Cable thermal fault simulation device for controlling heating point - Google Patents
Cable thermal fault simulation device for controlling heating point Download PDFInfo
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- CN212989534U CN212989534U CN202021320036.5U CN202021320036U CN212989534U CN 212989534 U CN212989534 U CN 212989534U CN 202021320036 U CN202021320036 U CN 202021320036U CN 212989534 U CN212989534 U CN 212989534U
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- cable
- heating
- heat generation
- thermal fault
- controlling
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 43
- 238000004088 simulation Methods 0.000 title claims abstract description 15
- 230000020169 heat generation Effects 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 6
- 229910052573 porcelain Inorganic materials 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000012549 training Methods 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 description 8
- 238000009529 body temperature measurement Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses a cable thermal fault simulator for controlling heating points, which comprises a cable bracket; at least one group of cable components are installed on the cable support, at least two heating belts are arranged on the cable components, each heating belt is connected with a thermocouple, and the thermocouples are connected with a temperature relay. The temperature of a heating point is changed through the heating belt, the temperature of a hot spot is issued by simulating different types of cable faults and changing the different types of cable faults through the control of the temperature relay on the heating loop, the cable thermal fault simulation practical training device with high safety, good reliability and diversified functions is provided, the problem that the practical training experience is lacked when the cable outlet fault arrives at the site is avoided.
Description
Technical Field
The utility model relates to a cable thermal fault technical field especially relates to a control cable thermal fault analogue means who generates heat a little.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The infrared temperature measurement diagnosis technology can rapidly monitor and diagnose most faults of the power cable on line in real time, and large-area power failure accidents of a power grid caused by the faults of the power cable are prevented. Therefore, in recent years, infrared diagnosis technology is developed, and the infrared diagnosis method plays a significant role in guaranteeing safe operation of the power cable and finding potential safety hazards of the cable in time.
The infrared temperature measurement detection is an important detection means for live detection and state evaluation of a cable line, and the infrared detection result directly influences the accurate judgment of the state of the equipment, so that the operation proficiency and defect judgment accuracy of infrared detection technicians are very important. However, the inventor finds that, as infrared detection abnormal conditions rarely occur in a normal operation line, technicians cannot comprehensively learn and judge different types of cable faults and temperatures of different heating points under the different types of cable faults; for the simulation device, how to simulate various cable heating faults in the circuit and control heating points are the technical problems to be solved at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a control cable thermal fault analogue means who generates heat some changes the temperature of generating heat through the area that generates heat, through temperature relay to heating circuit's control, the cable fault of simulation different grade type and the temperature that the hot spot was issued in the change different grade type cable fault provide the real device of instructing of cable thermal fault simulation of a security height, good reliability, function diversification, to the real standard of scene when avoiding the cable to be qualified for the next round of competitions the trouble, lack the problem of real experience of instructing.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a cable thermal fault simulator for controlling heating points, which comprises a cable bracket;
the cable support is provided with at least one group of cable components, the cable components are provided with at least two heating belts, each heating belt is connected with a thermocouple, and the thermocouples are connected with a temperature relay.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses cable thermal fault analogue means passes through the fault simulation control box and generates heat the being connected of area, changes the point temperature that generates heat, and the cable of simulation different grade type fault that generates heat realizes the control to heating circuit through temperature relay, can accomplish temperature control, and the real standard of the point control that generates heat improves training efficiency, goes out the real problem of training in the scene when the trouble of being qualified for the next round of competitions to the cable, lacks the real problem of training experience.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic view of a cable thermal fault simulation apparatus for controlling a heating point according to embodiment 1 of the present invention;
fig. 2 is a schematic block diagram of a cable thermal fault simulation apparatus for controlling a heating point according to embodiment 1 of the present invention;
wherein, 1, a power supply; 2. a control box 3, a thermocouple; 4. a heat generating tape; 5. a cable assembly; 6. an outgoing cable; 7. a cable holder; 51. a 35kV indoor terminal sleeve; 52. a 110kV porcelain bushing terminal; 53. a 110kV plug-in outdoor terminal; 54. 110kV composite bushing terminal.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Example 1
As shown in fig. 1, the present embodiment provides a cable thermal fault simulation apparatus for controlling a heat generation point, including a cable holder 7; at least one group of cable components 5 are installed on the cable support 7, at least two heating belts 4 are arranged on the cable components 5, each heating belt 4 is connected with one thermocouple 3, and the thermocouples 3 are connected with a temperature relay.
In the embodiment, the temperature relay is arranged in a control box 2, the control box 2 is connected with a power supply 1, and the power supply 1 provides a 220kV alternating current power supply;
in the present embodiment, the cable assembly 5 includes 6 groups, and 6 groups of cable assemblies 5 are fixed on the cable holder 7 through 6 outgoing cables 6;
each group of cable components 5 is provided with 2 heating belts 4, and in the embodiment, 12 heating belts 4 are arranged;
each heating belt 4 is connected with 1 thermocouple 3, and in the embodiment, 12 thermocouples 3 are arranged;
the heating belt 4 is arranged at the connection part of the outgoing line hardware fitting, the stress cone and the grounding wire of the cable assembly 5 and the copper shield; as can be understood, the heating belt 4 is arranged at the connection position of the outgoing line hardware fitting, the stress cone, the grounding wire and the aluminum sheath of the cable assembly 5;
in the present embodiment, at the cable assembly terminal, the heat generating tape 4 is fixed inside the cable assembly 5 by a cold shrink tube;
the cable assembly 5 comprises a 110kV composite sleeve terminal 54, a 110kV plug-pull outdoor terminal 53, a 110kV porcelain sleeve terminal 52 and a 35kV indoor terminal sleeve 51;
it can be understood that the cable assembly 5 includes 6 groups, and the four groups of cable assemblies may be provided with multiple groups, for example, in this embodiment, 1 group is provided for each of the 110kV composite bushing terminal 54, the 110kV plug-in outdoor terminal 53, and the 110kV porcelain bushing terminal 52; 3 groups of 35kV indoor terminal sleeves 51 are arranged;
or other cable components can be replaced according to actual requirements; the practical training judgment on different voltage grades, different material composite sleeves and different fault types can be realized.
In this embodiment, each thermocouple 3 is connected with a temperature relay, the number of the temperature relays is 12, and each temperature relay controls the temperature of one heating point to realize the temperature control of the heating belt 4.
In this embodiment, the temperature relay can be selected from various types, such as: BW series temperature relay, KW series temperature relay, BR series temperature relay, KSD9700 series temperature relay, etc.;
the thermocouple is a WRPB-2 thermocouple, and it can be understood that the existing thermocouple can be used in the same type to realize the same function.
In this embodiment, the control box 2 is internally provided with a temperature relay, and is connected with the heating belt and the thermocouple, after the power supply is started, the corresponding heating belt can be designated to start heating, after the set first temperature is reached, the contact of the temperature relay is closed, the heating loop is disconnected, the heating is stopped, and the control of the temperature of the heating point is realized.
As shown in fig. 2, when the heating point generates heat due to the simulated cable fault, the general control switch J is pressed, the temperature control button θ is adjusted, the heating switch JC corresponding to the heating zone is pressed, the temperature relay θ is closed after the set first temperature is reached, the heating loop is disconnected, and heating is stopped.
Since the infrared detection abnormal condition rarely occurs in the normal operation line, technicians can judge infrared defects and have few opportunities for accumulating experiences, and cannot comprehensively learn and judge different types of cable faults and temperatures of different heating points under the different types of cable faults; in order to rapidly improve the defect judgment capability of a skilled worker in the practical training process, the practical training simulation generating device for the infrared detection of the cable accessory in the embodiment is applied to the technical worker engaged in the infrared temperature measurement of the power cable to train the technical skill, can simulate the parameter change when the power cables of different specifications have thermal faults, and improves the actual operation skill and the operation and maintenance technical level of the professional worker.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (10)
1. A cable thermal fault simulation device for controlling a heating point is characterized by comprising a cable bracket; at least one group of cable components are installed on the cable support, at least two heating belts are arranged on the cable components, each heating belt is connected with a thermocouple, and the thermocouples are connected with a temperature relay.
2. The apparatus of claim 1, wherein the heat generating tape is disposed at a connection point of the outlet fitting, the stress cone, the ground wire and the copper shield of the cable assembly.
3. A cable thermal fault simulator to control heat generation points according to claim 1, wherein said cable assemblies include 110kV composite bushing terminals, 110kV plug-in outdoor terminals, 110kV porcelain bushing terminals and 35kV indoor terminal bushings.
4. A cable thermal fault simulation apparatus for controlling a heat generation point according to claim 3,
the cable assembly comprises 6 groups, wherein 1 group of 110kV composite sleeve terminals, 1 group of 110kV plug-in outdoor terminals and 1 group of 110kV porcelain sleeve terminals are arranged, and 3 groups of 35kV indoor terminal sleeves are arranged.
5. A cable thermal fault simulation apparatus for controlling a heat generation point according to claim 1, further comprising a power supply for supplying 220kV ac power.
6. A cable thermal fault simulator for controlling a heat generation point according to claim 1, wherein said cable assembly is fixed to the cable holder by an outgoing cable.
7. A cable thermal fault simulator for controlling a heat generation point according to claim 1, wherein the heat generation tape includes 12 thermocouples corresponding to the 12 thermocouples.
8. A cable thermal fault simulator for controlling a heat generation point according to claim 1, wherein the number of the thermal relays is 12, and one thermal relay is connected to each thermocouple.
9. A cable thermal fault simulator for controlling a heat generation point, as claimed in claim 1, wherein the heat generation tube is fixed inside the cable assembly by a cold shrink tube.
10. A cable thermal fault simulator to control heat generation points as claimed in claim 1, wherein at a first temperature, the temperature relay contacts are closed and the heating circuit is open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021320036.5U CN212989534U (en) | 2020-07-07 | 2020-07-07 | Cable thermal fault simulation device for controlling heating point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021320036.5U CN212989534U (en) | 2020-07-07 | 2020-07-07 | Cable thermal fault simulation device for controlling heating point |
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| Publication Number | Publication Date |
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| CN212989534U true CN212989534U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021320036.5U Active CN212989534U (en) | 2020-07-07 | 2020-07-07 | Cable thermal fault simulation device for controlling heating point |
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| CN (1) | CN212989534U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113706962A (en) * | 2021-09-03 | 2021-11-26 | 广东电网有限责任公司广州供电局 | Cable fault heating simulation training system and control method and equipment thereof |
-
2020
- 2020-07-07 CN CN202021320036.5U patent/CN212989534U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113706962A (en) * | 2021-09-03 | 2021-11-26 | 广东电网有限责任公司广州供电局 | Cable fault heating simulation training system and control method and equipment thereof |
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