CN203259253U - Cable head temperature-rise monitoring system - Google Patents
Cable head temperature-rise monitoring system Download PDFInfo
- Publication number
- CN203259253U CN203259253U CN201320153507.1U CN201320153507U CN203259253U CN 203259253 U CN203259253 U CN 203259253U CN 201320153507 U CN201320153507 U CN 201320153507U CN 203259253 U CN203259253 U CN 203259253U
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- cable
- monitoring system
- sensitive sensor
- temperature rise
- rise monitoring
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Abstract
The utility model relates to a cable head temperature-rise monitoring system. The cable head temperature-rise monitoring system comprises an insulating protection tube, an electrical connector, and a heat-sensitive sensor. The electrical connector is arranged in the insulating protection tube and comprises a stud, a connecting terminal and an insulating plug, wherein the stud is used for being electrically connected with a socket on high-voltage electric power equipment or a cable connecting plug, and the connecting terminal is used for being connected with a cable. The stud is electrically connected with the connecting terminal, and one end of the stud is inserted in the insulating plug. The heat-sensitive sensor is arranged in the insulating plug of the electrical connector, thereby enabling direct measurement of the real-time temperature of the cable head temperature-rise monitoring system. According to the utility model, the monitoring of real-time temperature rise is realized through the arrangement of the heat-sensitive sensor, the accuracy of measurement data is guaranteed, so that the cable head temperature-rise monitoring system is more safe and reliable to use; and the heat-sensitive sensor is convenient to mount, change and dismount, and the arrangement of the heat-sensitive sensor has no influences on the expansion of the cable head temperature-rise monitoring system.
Description
Technical field
The utility model relates to the electrical connection technical field, especially relates to a kind of cable end temperature rise monitoring system.
Background technology
Along with the development of power technology, the installation requirement of power equipment is more and more higher, and is also higher for the requirement of the aspects such as cooperation requirement, operation possibility and standardization of the interconnection technique of electric system and electric property.
In the high-tension electricity equipment such as High-Voltage Cable Branching Case, case change, ring main unit, usually adopt the cable plug to be electrically connected.The cable plug has all insulation, hermetic function; electrical connection and insulation have been guaranteed; but in actual motion, often can occur tightly not causing the overheated problem that causes product ablation, initiating failure of cable plug owing to the crimping of passage component, therefore need to carry out temperature detection to it.
Yet, because cable patches and generally takes all insulation, hermetic structure, therefore, when being carried out temperature detection, it usually can't detect the temperature of junction, existing temperature monitoring system also can only carry out temperature detection in high pressure exposed busbar junction or high pressure naked cable terminal junction, the high-tension electricity equipment such as high pressure is hermetically sealed for requiring, the High-Voltage Cable Branching Case of all insulation, full-shield, case change, ring main unit then can't be implemented, and itself is owing to be subject to the restriction of the number of transmissions, and the life-span is also very short.
The utility model content
The technical problems to be solved in the utility model is, for the prior art above shortcomings, provides a kind of cable end temperature rise monitoring system, and is simple in structure, safe and reliable.
The technical scheme that its technical matters that solves the utility model adopts provides a kind of cable end temperature rise monitoring system; comprise insulation protection tube and electrical fitting; wherein; described electrical fitting is arranged in the described insulation protection tube; and comprise be used to the stud bolt that is electrically connected to set socket on the high voltage electric power equip ment or a cable plug; be used for being electrically connected to splicing ear and the insulating plug of cable; this stud bolt and the electrical connection of this splicing ear; and an end of this stud bolt is inserted in the described insulating plug; described cable end temperature rise monitoring system also comprises heat sensitive sensor, and this heat sensitive sensor is arranged in the insulating plug of described electrical fitting.
Preferably, described insulating plug is arranged at that described insulation protection tube is provided with an end of sealing cap and by the sealing of this sealing cap, described heat sensitive sensor is arranged at described insulating plug near a side of described sealing cap.
Preferably, described heat sensitive sensor is arranged in the copper conductor set on the described insulating plug.
Preferably, the relative both sides of described insulating plug are provided with copper conductor, and an end of described stud bolt is inserted in the copper conductor of described insulating plug one side, and described heat sensitive sensor is arranged in the copper conductor of this insulating plug opposite side.
Preferably, described heat sensitive sensor is wireless heat sensitive sensor or wired heat sensitive sensor.
Preferably, described heat sensitive sensor is wired heat sensitive sensor, and its connecting line passes described cable end temperature rise monitoring system via described sealing cap.
Preferably; described insulation protection tube is in T shape; described stud bolt and described insulating plug level be coaxial to be arranged in the horizontal side of described insulation protection tube; described splicing ear be arranged in the vertical side of described insulation protection tube and with the coaxial setting of this vertical side; this splicing ear one end extends in the horizontal side of described insulation protection tube; be electrically connected with described stud bolt is vertical, the other end is then in order to fix and to be electrically connected with the cable crimping.
Preferably; described insulation protection tube has the horizontal port of front end, the horizontal port in rear end and vertical port; wherein; the horizontal port of this front end is used for set socket or a cable plug on the grafting high voltage electric power equip ment; the horizontal port in this rear end seals by sealing cap, and this vertical port then is used for stube cable.
Preferably, an end of described stud bolt is inserted in the described insulating plug, and the other end then is electrically connected to set socket or a cable plug on the high voltage electric power equip ment.
Preferably, described insulation protection tube comprises conduction internal layer, insulation course and the skin that sets gradually from inside to outside, and this skin is via ground connection.
The utility model is arranged at heat sensitive sensor in the insulating plug of electrical fitting, not only can realize the real time temperature monitoring function of cable end temperature rise monitoring system, and owing to this heat sensitive sensor is located in the insulating plug, the real time temperature of copper conductor temperature rise is very approaching in the temperature of its monitoring and the insulating plug, so its measurement data can very accurately and timely reflect the heating situation of cable end temperature rise monitoring system.Further, if heat sensitive sensor directly is arranged in the copper conductor in the insulating plug, then more can directly measure the real time temperature of high-pressure side heating copper conductor, make the accuracy of measurement data further improve, guarantee to use safer reliable.The utility model also can pass through the wireless or wire communication of its heat sensitive sensor and background monitoring center, make the background monitoring center can carry out the real time temperature monitoring, make things convenient for fault alarm and location, can avoid because the unreliable generation that causes overtemperature accident or other recessive accidents is installed.In addition, the utility model is arranged at insulating plug near sealing cap one side with heat sensitive sensor, also is convenient to installation, replacing, dismounting and carries out Wireless/wired signal with the external world be connected.In a word, the utility model cable end temperature rise monitoring system can realize real-time temperature rise monitoring by simple structure, guarantee simultaneously the accuracy of measurement data, it is safer reliable to make it use, and the setting of its heat sensitive sensor is convenient to install, changes, is dismantled, and also can not affect the expansion of cable end temperature rise monitoring system.
Description of drawings
Fig. 1 is the part-structure diagrammatic cross-section of cable end temperature rise monitoring system of the present utility model.
Fig. 2 is the insulating plug of cable end temperature rise monitoring system of the present utility model and the synoptic diagram that cooperates of heat sensitive sensor.
Fig. 3 and Fig. 4 are respectively the synoptic diagram that cooperates of copper conductor and heat sensitive sensor of the insulating plug of cable end temperature rise monitoring system of the present utility model.
Fig. 5 is the part-structure diagrammatic cross-section that the utility model is applied to the embodiment that two cable plugs are connected.
Embodiment
Shown in Fig. 1-2, the utility model cable end temperature rise monitoring system 1, in T shape; comprise insulation protection tube 10, electrical fitting 20 and heat sensitive sensor 30; wherein, electrical fitting 20 is arranged in the insulation protection tube 10, and 30 of heat sensitive sensors are positioned in the electrical fitting 20.
Heat sensitive sensor 30 is arranged in the insulating plug 23 of electrical fitting 20, in order to directly measure the real time temperature of this cable end temperature rise monitoring system 1.Preferably, this heat sensitive sensor 30 is arranged in the copper conductor 230 in the insulating plug 23, in order to directly measure the real time temperature of high-pressure side heating copper conductor.In the present embodiment, this heat sensitive sensor 30 is arranged at insulating plug 23 near in the copper conductor 230 of sealing cap 15 1 sides, shown in Fig. 2-4, and by these sealing cap 15 sealings, in order to not only can directly measure the real time temperature of high-pressure side heating copper conductor, and be convenient to installation, change, dismantle and carry out Wireless/wired signal transmission with the external world.
In the present embodiment, heat sensitive sensor 30 is a wired heat sensitive sensor, it adopts wire transmission mode output, its connecting line can pass cable end temperature rise monitoring system 1 via sealing cap 15, be connected to the background monitoring center, perhaps be connected to a radio transmission device, set up signal by this radio transmission device with the background monitoring center and be connected, thereby realize real time temperature monitoring.In addition, the heat sensitive sensor of cable end temperature rise monitoring system 1 also can adopt wireless heat sensitive sensor, to adopt wireless transmission method output, sets up wireless connections with the background monitoring center, be sent to the background monitoring center with the real time temperature that records is wireless, so that the latter carries out real time temperature monitoring.
The utility model cable end temperature rise monitoring system 1 in use; external cable is plugged to the vertical port of cable end temperature rise monitoring system 1 insulation protection tube 10; and spacing by positioning step, the splicing ear 22 of external cable and electrical fitting 20 is fixed and is electrically connected through crimping.This horizontal port of front end that is connected with cable end temperature rise monitoring system 1 insulation protection tube 10 of external cable is plugged to set socket on the high voltage electric power equip ment, and the stud bolt 21 of the electrical fitting 20 of cable end temperature rise monitoring system 1 is electrically connected by the screw thread crimping with the socket of high voltage electric power equip ment.Thus, electrical fitting 20 is electrically connected to high voltage electric power equip ment with external cable.At this moment, the utility model cable end temperature rise monitoring system 1 can be carried out the real time temperature detection by being located at heat sensitive sensor 30.
Except directly being plugged to socket set on the high voltage electric power equip ment, the utility model cable end temperature rise monitoring system also can a plurality ofly link to each other or be connected with other cable plugs, with expansion cable head temperature rise monitoring system or cable plug.
As shown in Figure 5, be connected for the utility model is applied to two the cable plugs cross-sectional view of embodiment of (namely cable end temperature rise monitoring system being expanded), wherein the above-mentioned single cable end temperature rise monitoring system of the utility model (as shown in Figure 1) as after connect the cable plug.In this application example, front connect cable plug 1 ' with after connect cable plug 1 ' and be provided with heat sensitive sensor 30 in ' be connected, then connect cable plug 1 ' '.During connection, insulating plug and the sealing cap that at first will before connect cable plug 1 ' are removed in order to connecing cable plug 1 ' after the grafting '.Again will after connect cable plug 1 ' conducting rod 24 electrical connections of ' the horizontal port of front end connect the horizontal port in rear end of cable plug 1 ' before being plugged to, the stud bolt 21 of the two is via rear end cable plug 1 ' '.Thus, can set up this two cable plugs 1 ' and 1 ' ' electrical connection.Since after connect cable plug 1 ' ' insulating plug 23 in be provided with heat sensitive sensor 30, this heat sensitive sensor 30 can be to these two cable plugs 1 ', 1 ' that are connected ' carry out real time temperature monitoring.
Mode can be expanded cable end temperature rise monitoring system of the present utility model as required according to this, and multi-cable is connected to high voltage electric power equip ment, simultaneously a plurality of cable plugs that are connected is carried out real time temperature monitoring.
No matter be cable end temperature rise monitoring system after above-mentioned single cable end temperature rise monitoring system or the expansion with a plurality of cable plugs that are connected, all can carry out real time temperature monitoring by the heat sensitive sensor that is arranged in the insulating plug, and can the real time temperature that record be sent to the background monitoring center by wireless or wired mode by this heat sensitive sensor, so that Real-Time Monitoring is carried out to the temperature of high voltage electric power equip ment cable junction in the background monitoring center, and temperature and the historical temperature of Real-Time Monitoring can be carried out vertical or horizontal comparison, thereby the temperature rising state that reflects exactly cable end temperature rise monitoring system, conveniently carry out localization of fault, also can reach alarm to overheating problem, really eliminate the accident potential that the cable temperature rise causes.
And, when heat sensitive sensor of the present utility model is arranged in the insulating plug, so that the real time temperature of copper conductor temperature rise is very approaching in the temperature of monitoring and the insulating plug, so can be arranged at the heating situation that reflects more accurately and timely cable end temperature rise monitoring system in the insulation protection tube; Further, if heat sensitive sensor directly is arranged in the copper conductor in the insulating plug, directly measure the real time temperature of high-pressure side heating copper conductor, then can make the accuracy of measurement data further improve.Carry out by this real time temperature monitoring, can to causing overtemperature accident and other unseen accidents and alarm because unreliable grade is installed, avoid the generation of accident.In addition, heat sensitive sensor is arranged at insulating plug near sealing cap one side, when being convenient to real time temperature measurement, also is convenient to installation, changes, dismantle and carries out Wireless/wired signal transmission with the external world.
In a word, the utility model cable end temperature rise monitoring system can realize real-time temperature rise monitoring by simple structure, guarantee simultaneously the accuracy of measurement data, it is safer reliable to make it use, and the setting of its heat sensitive sensor is convenient to install, changes, is dismantled, and also can not affect the expansion of cable end temperature rise monitoring system (or cable plug).
The above only is preferred embodiment of the present utility model, be not to limit claim scope of the present utility model, therefore all other do not break away from the equivalence of finishing under the spirit that the utility model discloses and changes or modify, and all should be contained in the claim scope of the present utility model.
Claims (10)
1. cable end temperature rise monitoring system; comprise insulation protection tube and electrical fitting; wherein; described electrical fitting is arranged in the described insulation protection tube; and comprise be used to the stud bolt that is electrically connected to set socket on the high voltage electric power equip ment or a cable plug; be used for being electrically connected to splicing ear and the insulating plug of cable; this stud bolt and the electrical connection of this splicing ear; and an end of this stud bolt is inserted in the described insulating plug; it is characterized in that; described cable end temperature rise monitoring system also comprises heat sensitive sensor, and this heat sensitive sensor is arranged in the insulating plug of described electrical fitting.
2. cable end temperature rise monitoring system according to claim 1; it is characterized in that; described insulating plug is arranged at that described insulation protection tube is provided with an end of sealing cap and by the sealing of this sealing cap, described heat sensitive sensor is arranged at described insulating plug near a side of described sealing cap.
3. cable end temperature rise monitoring system according to claim 1 and 2 is characterized in that described heat sensitive sensor is arranged in the copper conductor set on the described insulating plug.
4. cable end temperature rise monitoring system according to claim 1 and 2, it is characterized in that, the relative both sides of described insulating plug are provided with copper conductor, one end of described stud bolt is inserted in the copper conductor of described insulating plug one side, and described heat sensitive sensor is arranged in the copper conductor of this insulating plug opposite side.
5. cable end temperature rise monitoring system according to claim 1 is characterized in that, described heat sensitive sensor is wireless heat sensitive sensor or wired heat sensitive sensor.
6. cable end temperature rise monitoring system according to claim 2 is characterized in that, described heat sensitive sensor is wired heat sensitive sensor, and its connecting line passes described cable end temperature rise monitoring system via described sealing cap.
7. cable end temperature rise monitoring system according to claim 1; it is characterized in that; described insulation protection tube is in T shape; described stud bolt and described insulating plug level be coaxial to be arranged in the horizontal side of described insulation protection tube; described splicing ear be arranged in the vertical side of described insulation protection tube and with the coaxial setting of this vertical side; this splicing ear one end extends in the horizontal side of described insulation protection tube; be electrically connected with described stud bolt is vertical, the other end is then in order to fix and to be electrically connected with the cable crimping.
8. cable end temperature rise monitoring system according to claim 7; it is characterized in that; described insulation protection tube has the horizontal port of front end, the horizontal port in rear end and vertical port; wherein; the horizontal port of this front end is used for set socket or a cable plug on the grafting high voltage electric power equip ment; the horizontal port in this rear end seals by sealing cap, and this vertical port then is used for stube cable.
9. cable end temperature rise monitoring system according to claim 7 is characterized in that, an end of described stud bolt is inserted in the described insulating plug, and the other end then is electrically connected to set socket or a cable plug on the high voltage electric power equip ment.
10. cable end temperature rise monitoring system according to claim 1 is characterized in that, described insulation protection tube comprises conduction internal layer, insulation course and the skin that sets gradually from inside to outside, and this skin is via ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320153507.1U CN203259253U (en) | 2013-03-29 | 2013-03-29 | Cable head temperature-rise monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320153507.1U CN203259253U (en) | 2013-03-29 | 2013-03-29 | Cable head temperature-rise monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN203259253U true CN203259253U (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320153507.1U Expired - Fee Related CN203259253U (en) | 2013-03-29 | 2013-03-29 | Cable head temperature-rise monitoring system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203259253U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983377A (en) * | 2014-05-30 | 2014-08-13 | 潘晨 | On-line temperature measuring device for monitoring connecting portion between ring main unit and 10 kV cable head |
| CN104155012A (en) * | 2014-06-17 | 2014-11-19 | 广东安迪普科技有限公司 | Monitoring system capable of displaying temperature rise of cable head on site |
| CN104977097A (en) * | 2014-04-01 | 2015-10-14 | 西安和其光电科技有限公司 | Method for measuring temperature of high-voltage/extra-high-voltage cable connector by using fiber |
| CN105048129A (en) * | 2015-08-17 | 2015-11-11 | 广东安迪普科技有限公司 | Shielding rear-inclined dual-plug unit |
| CN105628254A (en) * | 2016-03-18 | 2016-06-01 | 长园电力技术有限公司 | Cable plug head |
| CN105698938A (en) * | 2016-04-18 | 2016-06-22 | 国网辽宁省电力有限公司本溪供电公司 | Wireless thermodetector for cable connector in switchgear |
| CN106017701A (en) * | 2016-07-01 | 2016-10-12 | 廊坊芳远新合电气有限公司 | Wireless passive real-time temperature measuring sensing apparatus, system, and method for cable joint |
| CN106207940A (en) * | 2016-08-30 | 2016-12-07 | 廊坊芳远新合电气有限公司 | A kind of cable connector with temp sensing function |
| CN106197736A (en) * | 2016-07-07 | 2016-12-07 | 深圳市罗庚电气有限公司 | A kind of wireless and passive prefabricated cable unplugg monitor and using method thereof |
| CN106997013A (en) * | 2017-05-16 | 2017-08-01 | 中车洛阳机车有限公司 | A kind of temperature rise experimental method of cable crimping point and crimping armor clamp |
| CN115133491A (en) * | 2022-08-31 | 2022-09-30 | 山东博诚电气有限公司 | Cable terminal connecting device |
-
2013
- 2013-03-29 CN CN201320153507.1U patent/CN203259253U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977097A (en) * | 2014-04-01 | 2015-10-14 | 西安和其光电科技有限公司 | Method for measuring temperature of high-voltage/extra-high-voltage cable connector by using fiber |
| CN103983377A (en) * | 2014-05-30 | 2014-08-13 | 潘晨 | On-line temperature measuring device for monitoring connecting portion between ring main unit and 10 kV cable head |
| CN104155012A (en) * | 2014-06-17 | 2014-11-19 | 广东安迪普科技有限公司 | Monitoring system capable of displaying temperature rise of cable head on site |
| CN105048129A (en) * | 2015-08-17 | 2015-11-11 | 广东安迪普科技有限公司 | Shielding rear-inclined dual-plug unit |
| CN105628254A (en) * | 2016-03-18 | 2016-06-01 | 长园电力技术有限公司 | Cable plug head |
| CN105698938A (en) * | 2016-04-18 | 2016-06-22 | 国网辽宁省电力有限公司本溪供电公司 | Wireless thermodetector for cable connector in switchgear |
| CN106017701A (en) * | 2016-07-01 | 2016-10-12 | 廊坊芳远新合电气有限公司 | Wireless passive real-time temperature measuring sensing apparatus, system, and method for cable joint |
| CN106197736A (en) * | 2016-07-07 | 2016-12-07 | 深圳市罗庚电气有限公司 | A kind of wireless and passive prefabricated cable unplugg monitor and using method thereof |
| CN106207940A (en) * | 2016-08-30 | 2016-12-07 | 廊坊芳远新合电气有限公司 | A kind of cable connector with temp sensing function |
| CN106997013A (en) * | 2017-05-16 | 2017-08-01 | 中车洛阳机车有限公司 | A kind of temperature rise experimental method of cable crimping point and crimping armor clamp |
| CN115133491A (en) * | 2022-08-31 | 2022-09-30 | 山东博诚电气有限公司 | Cable terminal connecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 |