CN202454744U - Whole insulation type cable accessory with temperature sensor - Google Patents
Whole insulation type cable accessory with temperature sensor Download PDFInfo
- Publication number
- CN202454744U CN202454744U CN2012200756744U CN201220075674U CN202454744U CN 202454744 U CN202454744 U CN 202454744U CN 2012200756744 U CN2012200756744 U CN 2012200756744U CN 201220075674 U CN201220075674 U CN 201220075674U CN 202454744 U CN202454744 U CN 202454744U
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- temperature acquisition
- temperature
- plug
- insulating plug
- temperature sensor
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Abstract
The utility model relates to a whole insulation type cable accessory with a temperature sensor, which comprises a cable adapter, a connecting terminal, an equipment sleeve and an insulating plug; a cable is sleeved in the cable adapter, and the lead end of the cable is connected with the connecting terminal; the connecting terminal is connected with the insulating plug through a double-ended bolt and is fixed on the equipment sleeve together with the insulating plug; a cable accessory main insulator is sleeved outside the insulating plug and the equipment sleeve; a cable accessory outer shield layer is sleeved outside the cable accessory main insulator; an insulating plug cover is buckled at one end of the insulating plug of the cable accessory outer shield layer; a temperature acquisition mandrel, a temperature acquisition and transmitting module, an insulating cushion block and a suspension electrode are sleeved in the insulating plug; the temperature acquisition mandrel is in threaded connection with the one-ended bolt of the double-ended bolt; the temperature acquisition and transmitting module is fixed on the temperature acquisition mandrel; the insulating cushion block is arranged between the temperature acquisition and transmitting module and the suspension electrode; and temperature data is transmitted to a temperature data acquisition and transmitting unit through a built-in passive type wireless transmitting device, so that the online temperature monitoring for the whole insulation type cable accessory is realized.
Description
Technical field
The utility model relates to a kind of cable temperature supervising device of the 10-35kV of being used for distribution system, relates in particular to a kind of all insulation formula electric cable accessories with temperature sensor.
Technical background
In equipment such as the used loop-network switch cabinet of power cable distribution system, cable branch box, preassembled transformer station; In order to realize device miniaturization; The general all insulation formula electric cable accessories that adopts is connected with various controller switching equipments; Often because the bad contact resistance that causes of mounting process is bigger than normal, and the long-time running meeting causes local temperature rise to exceed standard, even cause that electric cable accessories burns the accident with device damage at these connecting portions.
In order to prevent and to reduce the fault that the connecting portion between cable and the controller switching equipment causes because temperature rise is too high, need to adopt suitable method that the temperature at this position is monitored in real time.Because the connecting portion space is little, conductive component all is sealed in the solid insulating material, also there is not suitable temperature sensor can be used for temperature monitoring is accurately carried out in the installation position of all insulation formula electric cable accessories in the market.Some user directly ties up the surface at all insulation formula electric cable accessories with heat sensor with band; Through measuring the temperature of electric cable accessories insulator surface, obtain the temperature of inner conductor indirectly, this method receives the external environmental factor influence easily and causes bigger error; Even make the mistake indication and warning; And the output of temperature sensor generally adopts cable directly to be connected with data acquisition unit, do not realize electrical isolation having potential safety hazard.
Along with the development of Power System Intelligentization, need implement monitoring to the weak link of distribution system, reporting to the police in the back of pinpointing the problems at once, reduces or eliminates accident potential.Traditional temperature sensor and signal transfer mode are not suitable for the temperature monitoring of all insulation formula electric cable accessories; The all insulation formula electric cable accessories of a kind of simple in structure, cost is lower, measurement is accurate, easy for installation band temperature sensor of market demand is used for the temperature online monitoring system of high voltage power cable and relevant device connecting portion.
Summary of the invention
In view of the problem of above-mentioned existence, the utility model provides a kind of measurement accurate, easy for installation, can realize all insulation formula electric cable accessories of band temperature sensor of the temperature monitoring of all-insulation cable connecting portion through it.
The utility model electric cable accessories comprises cable adaptor, binding post, equipment casing and insulating plug; Sheathed cable in the cable adaptor; The conductor wire end of cable is connected with binding post, and binding post connects insulating plug by stud and is fixed on together on the equipment casing, and insulating plug and equipment casing are arranged with electric cable accessories main insulation outward; The outer sheathed electric cable accessories outer shielding layer of electric cable accessories main insulation; The insulation gag is fastened on insulating plug one end of electric cable accessories outer shielding layer, is arranged with temperature acquisition plug, temperature acquisition and transmitter module, cross-over block, suspension electrode in the wherein said insulating plug, and the temperature acquisition plug is threaded with a hook bolt of stud; Temperature acquisition and transmitter module are fixed on the temperature acquisition plug, and cross-over block is arranged between temperature acquisition and transmitter module and the suspension electrode.
Described temperature acquisition and transmitter module comprise hold-down screw, temperature sensor and lead-in wire, and hold-down screw connects temperature sensor and is fixed on the temperature acquisition plug, and lead-in wire connects temperature acquisition plug and suspension electrode.
The passive type wireless transmit device that described temperature sensor is built-in.
Described insulating plug is by insulation plastic material single injection-molded.
The utility model adopts above structure; Except all functions with general all insulation, fully-sealed electric cable fittings; The conductor temperature of direct contact type temperature sensor measurement cable connecting part position is set in insulating plug; And temperature data is sent to nearby the temperature data acquisition transducing unit of installing through built-in passive type wireless transmit device, realize the on-line temperature monitoring of all insulation formula electric cable accessories.
The utility model temperature acquisition also utilizes lead-in wire to be connected temperature acquisition plug and suspension electrode with sending module; Come power supply to be provided in the inner electrical potential difference that forms of cross-over block to built-in electronic circuit; Do not need external power source; Its adopts radio frequency signal to send temperature measuring data, when electric cable accessories is installed without any need for inside and outside wiring.
The major advantage of the utility model is: temperature sensor directly contacts with tested position; Temperature sensor and temperature acquisition and radiating circuit and the design of all insulation formula electric cable accessories product integral type; Get final product work without any need for external power source; Temperature acquisition The data radio frequency signal sends, and has advantages such as product structure is simple, measurement is accurate, cost is low, safe and reliable.Temperature monitoring to the HV cable accessories connecting portion is significant.
Description of drawings
Fig. 1 is the interior temperature acquisition of the utility model insulating plug and the structural representation of emission element;
Fig. 2 is the structural representation of the utility model all insulation formula electric cable accessories.
Embodiment
See also Fig. 1 or Fig. 2; The utility model comprises cable adaptor 14, binding post 10, equipment casing 7 and insulating plug 5; Sheathed cable 13 in the cable adaptor 14, the conductor wire end of cable 13 is connected with binding post 10, and binding post 10 connects insulating plug 5 by stud 11 and is fixed on together on the equipment casing 7; Insulating plug 5 and the equipment casing 7 outer electric cable accessories main insulations 8 that are arranged with; Electric cable accessories main insulation 8 outer sheathed electric cable accessories outer shielding layers 9, insulation gag 12 is fastened on insulating plug 5 one ends of electric cable accessories outer shielding layer 9, and described insulating plug 5 is by insulation plastic material single injection-molded.Be arranged with temperature acquisition plug 1, temperature acquisition and transmitter module 2, cross-over block 3, suspension electrode 4 in the insulating plug of wherein stating 5; Temperature acquisition plug 1 is threaded with a hook bolt of stud 11; Temperature acquisition and transmitter module 2 are fixed on the temperature acquisition plug 1, and cross-over block 3 is arranged between temperature acquisition and transmitter module 2 and the suspension electrode 4.Described temperature acquisition and transmitter module 2 comprise hold-down screw 21, temperature sensor 22 and go between 23, the passive type wireless transmit device that described temperature sensor 22 is built-in.Hold-down screw 21 connects temperature sensor 22 and is fixed on the temperature acquisition plug 1, and lead-in wire 23 connects temperature acquisition plug 1 and suspension electrode 4.
When the electric cable accessories charging operation, according to the Electric Field Distribution principle, there is electrical potential difference connecting between plug 1 and the suspension electrode 4, this electrical potential difference 23 provides working power for temperature acquisition and transmitter module 2 through going between.
The utility model electric cable accessories can be connected with the power cable of different size through cable adaptor 14, and the conductor 13 of cable cable is connected with binding post 10, and binding post 10 is fixed on the equipment casing 7 through stud 11 and insulating plug 5.Insulation gag 12 adopts semiconductive material to process, and keeps being connected with electric cable accessories outer shielding layer 9 after it is installed.The outer shielding layer 9 of all insulation formula electric cable accessories keeps the ground connection zero potential, and is safe and reliable.Connect plug 1 and adopt copper or aluminium material to process, temperature sensor 22 is realized the direct temperature collection of electric cable accessories connecting portion through connecting plug 1.
Claims (4)
1. all insulation formula electric cable accessories with temperature sensor; Comprise cable adaptor (14), binding post (10), equipment casing (7) and insulating plug (5); Sheathed cable (13) in the cable adaptor (14); The conductor wire end of cable (13) is connected with binding post (10); Binding post (10) connects insulating plug (5) by stud (11) and is fixed on together on the equipment casing (7); The outer electric cable accessories main insulation (8) that is arranged with of insulating plug (5) and equipment casing (7), the outer sheathed electric cable accessories outer shielding layer (9) of electric cable accessories main insulation (8), insulation gag (12) is fastened on insulating plug (5) one ends of electric cable accessories outer shielding layer (9); It is characterized in that: be arranged with temperature acquisition plug (1), temperature acquisition and transmitter module (2), cross-over block (3), suspension electrode (4) in the described insulating plug (5); Temperature acquisition plug (1) is threaded with a hook bolt of stud (11), and temperature acquisition and transmitter module (2) are fixed on the temperature acquisition plug (1), and cross-over block (3) is arranged between temperature acquisition and transmitter module (2) and the suspension electrode (4).
2. all insulation formula electric cable accessories of band temperature sensor according to claim 1; It is characterized in that: described temperature acquisition and transmitter module (2) comprise hold-down screw (21), temperature sensor (22) and lead-in wire (23); Hold-down screw (21) connects temperature sensor (22) and is fixed on the temperature acquisition plug (1), and lead-in wire (23) connects temperature acquisition plug (1) and suspension electrode (4).
3. according to all insulation formula electric cable accessories of claim 2 band temperature sensor, it is characterized in that: the passive type wireless transmit device that described temperature sensor (22) is built-in.
4. according to all insulation formula electric cable accessories of claim 1 band temperature sensor, it is characterized in that: described insulating plug (5) is by insulation plastic material single injection-molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200756744U CN202454744U (en) | 2012-03-02 | 2012-03-02 | Whole insulation type cable accessory with temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200756744U CN202454744U (en) | 2012-03-02 | 2012-03-02 | Whole insulation type cable accessory with temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202454744U true CN202454744U (en) | 2012-09-26 |
Family
ID=46870575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200756744U Expired - Lifetime CN202454744U (en) | 2012-03-02 | 2012-03-02 | Whole insulation type cable accessory with temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202454744U (en) |
Cited By (8)
| 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 |
| CN105810372A (en) * | 2016-04-29 | 2016-07-27 | 句容华源电器设备有限公司 | Insulating plug capable of measuring humidity |
| 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 |
| CN107462820A (en) * | 2017-09-30 | 2017-12-12 | 成都盛帮双核科技有限公司 | A kind of separable connector for intelligent grid monitoring system |
| CN107941354A (en) * | 2017-10-09 | 2018-04-20 | 珠海多监测科技有限公司 | A kind of intelligent temperature measurement insulating plug |
| CN108318164A (en) * | 2018-04-18 | 2018-07-24 | 南方电网科学研究院有限责任公司 | A kind of the interfacial pressure detection method and device of cable accessory |
| US11022498B2 (en) | 2017-04-13 | 2021-06-01 | Abb Schweiz Ag | Measurement apparatus and power cable accessory and system using the same and assembling method therefor |
| CN114689197A (en) * | 2022-05-31 | 2022-07-01 | 成都飞机工业（集团）有限责任公司 | A online temperature measuring device for metal surface function is rebuild |
-
2012
- 2012-03-02 CN CN2012200756744U patent/CN202454744U/en not_active Expired - Lifetime
Cited By (9)
| 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 |
| CN105810372A (en) * | 2016-04-29 | 2016-07-27 | 句容华源电器设备有限公司 | Insulating plug capable of measuring humidity |
| 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 |
| US11022498B2 (en) | 2017-04-13 | 2021-06-01 | Abb Schweiz Ag | Measurement apparatus and power cable accessory and system using the same and assembling method therefor |
| CN107462820A (en) * | 2017-09-30 | 2017-12-12 | 成都盛帮双核科技有限公司 | A kind of separable connector for intelligent grid monitoring system |
| CN107462820B (en) * | 2017-09-30 | 2023-07-28 | 成都盛帮双核科技有限公司 | A separable connector for smart power grids monitored control system |
| CN107941354A (en) * | 2017-10-09 | 2018-04-20 | 珠海多监测科技有限公司 | A kind of intelligent temperature measurement insulating plug |
| CN108318164A (en) * | 2018-04-18 | 2018-07-24 | 南方电网科学研究院有限责任公司 | A kind of the interfacial pressure detection method and device of cable accessory |
| CN114689197A (en) * | 2022-05-31 | 2022-07-01 | 成都飞机工业（集团）有限责任公司 | A online temperature measuring device for metal surface function is rebuild |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 350002 Fuqing foreign economic and Technological Development Zone, Fuzhou city science and Technology Innovation Center Patentee after: Zhongneng Electric Co., Ltd., Fujian Address before: 350002 Fuqing foreign economic and Technological Development Zone, Fuzhou city science and Technology Innovation Center Patentee before: Zhong Neng electric (Fuqing) Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |