CN211783933U - Temperature sensor applied to high-voltage intermediate cable connector - Google Patents
Temperature sensor applied to high-voltage intermediate cable connector Download PDFInfo
- Publication number
- CN211783933U CN211783933U CN202020758461.6U CN202020758461U CN211783933U CN 211783933 U CN211783933 U CN 211783933U CN 202020758461 U CN202020758461 U CN 202020758461U CN 211783933 U CN211783933 U CN 211783933U
- Authority
- CN
- China
- Prior art keywords
- sensor
- sensor body
- temperature
- cable joint
- circuit board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a built-in temperature measurement sensor who uses at high-voltage intermediate cable joint, including the sensor body, the lateral surface fixed mounting of sensor body has the shell body, ground connection heat conduction copper ring is installed in the embedding of sensor body medial surface, the inside outside position that is close to ground connection heat conduction copper ring of sensor body is provided with the sensor circuit board, the inside outside position that is close to the sensor circuit board of sensor body is provided with loop antenna, the sensor body runs through with the hookup location of shell body and installs fixed establishment. The utility model discloses can hug closely the sinle silk installation, the temperature degree of accuracy that records is higher, utilizes threaded connection to make the arc support tight head and can support tight high tension cable joint sinle silk simultaneously, accomplishes temperature sensor's fixing, has avoided the outside fixed, has simplified the temperature measurement structure, is convenient for install and dismantle the cost is reduced.
Description
Technical Field
The utility model relates to a sensor technical field specifically is a temperature sensor who embeds and use at high-pressure intermediate cable joint.
Background
Along with the rapid development of urban construction, the scale of urban power transmission and distribution lines is rapidly increased, the traditional power transmission and distribution mainly adopts an overhead line mode, various cables which are vertically and horizontally staggered in the sky of a city are accumulated in the day and the month like a black spider net, the appearance of the city is influenced, and potential safety hazards exist. With the social development, underground cables have gradually developed into main components of urban power network frames, and with the potential safety hazards of the cables entering the ground of the power transmission line also transferred from the ground to the underground, higher requirements are provided for the operation and maintenance work of the cable lines.
The power transmission mode of the overhead line is adopted, the temperature of the cable node can be monitored through unmanned aerial vehicles or thermal imaging equipment, the temperature measurement mode of the underground cable cannot be applied, a blind area is brought to temperature monitoring of the underground cable, hidden danger points can be detected only when accidents of major accidents are caused, and the brought loss is very serious. In recent years, the monitoring of the operating temperature of the cable line is more and more emphasized by users at home and abroad. The analysis result of the related mechanism on the fault rate of the power transmission line shows that compared with the cable body, the cable joint is a weak link, and the fault rate of the cable joint accounts for about 95% of the fault rate of the cable line. Because the cable joint preparation, installation, wiring technology have a plurality of intermediate links, and connecting point contact resistance is too big, and the temperature rise is accelerated, and it is bigger to generate heat and dispel the heat to impel the oxide film thickening of joint, connect not hard up or open welding, and then contact resistance is bigger, and the temperature rise is faster. Such vicious cycle results in the destruction of the insulation layer of the joint, the formation of interphase short circuit, the breakdown discharge to the ground or the ignition, and finally the ignition and burning of the cable head or the explosion accident. Therefore, if the temperature at the cable joint can be monitored in real time, early potential safety hazards can be found in time, and great accidents are avoided. Because the high-voltage intermediate cable joint is a complex system, the heating point is at the position of the inner wire core of the high-voltage intermediate cable joint, some external temperature measuring sensors cannot sense the internal temperature, and the sensors need to be built in; meanwhile, the high-voltage cable connector has a long service life, generally more than 30 years, so that the temperature measuring sensor is required to have a long service life and high reliability.
In implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: 1. the existing temperature measuring sensor cannot be installed in a manner of being tightly attached to the wire core, heat emitted by the wire core is already scattered when being transferred to the external temperature measuring sensor, and the measured temperature accuracy is low; 2. the conventional temperature measuring sensor usually needs other fixing devices to assist in fixing during installation, so that the temperature measuring structure is complicated, inconvenient to use and increased in measurement cost.
For this purpose, a temperature sensor is proposed which is built into the high-voltage intermediate cable connection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a temperature measurement sensor who embeds and use at high-pressure intermediate cable joint can hug closely the sinle silk installation, and the temperature degree of accuracy that records is higher, does not need supplementary fixing device simultaneously, has simplified the temperature measurement structure, convenient to use to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a temperature measurement sensor of built-in cable joint application in middle of high pressure, includes the sensor body, the lateral surface fixed mounting of sensor body has the shell body, ground connection heat conduction copper ring is installed in the embedding of sensor body medial surface, the inside outside position that is close to ground connection heat conduction copper ring of sensor body is provided with the sensor circuit board, the inside outside position that is close to the sensor circuit board of sensor body is provided with loop antenna, the hookup location of sensor body and shell body runs through and installs fixed establishment.
The temperature measuring sensor can be installed tightly to the wire core, the measured temperature accuracy is high, an auxiliary fixing device is not needed, the temperature measuring structure is simplified, and the use is convenient.
Preferably, the fixing mechanism comprises a threaded hole penetrating through the sensor body, the sensor body is rotatably connected with an arc abutting head through the threaded hole, and a threaded screw cap is fixedly mounted at one end of the arc abutting head.
The use of an external fixing device is avoided, the temperature measurement structure is simplified, the use is convenient, and the cost is reduced.
Preferably, a sealing ring is arranged at the connecting position of the arc abutting head and the outer shell, and the sealing ring is a rubber component.
The structure of the temperature sensor is more compact, and rainwater is prevented from entering the temperature sensor.
Preferably, a temperature sensing chip is embedded in the sensor circuit board.
The function of sensor temperature measurement can be implemented.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a with temperature sensor embeds inside the cable for temperature sensor can hug closely high-tension cable joint sinle silk, and the rethread sets up ground connection heat conduction copper ring and carries out heat-conduction, carries out the temperature measurement with the temperature sensing chip of heat transfer leading-in sensor circuit board inside that high-tension cable joint sinle silk gived off, has effectively avoided the inaccurate problem of temperature measurement that heat loss leads to.
2. The utility model discloses a set up fixed establishment, utilize threaded connection to make the arc support tight head can support tight high tension cable joint sinle silk, accomplish the fixed to temperature sensor, avoided the outside fixed, simplified the temperature measurement structure, be convenient for installation and dismantlement, the cost is reduced simultaneously.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a structural view of the fixing mechanism of the present invention;
fig. 3 is an installation diagram of the present invention.
In the figure: 1. a sensor body; 2. a loop antenna; 3. a sensor circuit board; 4. an outer housing; 5. a grounded heat-conducting copper ring; 6. a fixing mechanism; 61. screwing a cover by screw threads; 62. a seal ring; 63. an arc-shaped abutting head; 64. a threaded hole; 7. high-voltage cable connects sinle silk.
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.
Referring to fig. 1 to 3, the present invention provides a technical solution of a temperature measuring sensor embedded in a high voltage intermediate cable connector:
the utility model provides a temperature sensor of built-in cable joint application in middle of high pressure, as shown in figure 1, including sensor body 1, the lateral surface fixed mounting of sensor body 1 has shell body 4, ground connection heat conduction copper ring 5 is installed in the embedding of sensor body 1 medial surface, the inside outside position that is close to ground connection heat conduction copper ring 5 of sensor body 1 is provided with sensor circuit board 3, the inside outside position that is close to sensor circuit board 3 of sensor body 1 is provided with loop antenna 2, sensor body 1 runs through with the hookup location of shell body 4 and installs fixed establishment 6.
By adopting the technical scheme, the temperature measuring sensor can be tightly attached to the wire core to be installed, the measured temperature accuracy is higher, an auxiliary fixing device is not needed, the temperature measuring structure is simplified, and the use is convenient.
Specifically, as shown in fig. 2, the fixing mechanism 6 includes a threaded hole 64 penetrating through the inside of the sensor body 1, the sensor body 1 is rotatably connected with an arc-shaped abutting head 63 through the threaded hole 64, and a threaded screw cap 61 is fixedly mounted at one end of the arc-shaped abutting head 63.
By adopting the technical scheme, the use of an external fixing device is avoided, the temperature measurement structure is simplified, the use is convenient, and the cost is reduced.
Specifically, as shown in fig. 2, a sealing ring 62 is disposed at a connecting position of the arc abutting head 63 and the outer shell 4, and the sealing ring 62 is a rubber member.
By adopting the technical scheme, the structure of the temperature measuring sensor is more compact, and rainwater is prevented from entering the inside of the temperature measuring sensor.
Specifically, as shown in fig. 1, a temperature sensing chip is embedded in the sensor circuit board 3.
Through adopting above-mentioned technical scheme, can implement the function of sensor temperature measurement.
The working principle is as follows: the utility model discloses a embed temperature sensor in the cable for temperature sensor can hug closely high-tension cable joint sinle silk 7, and then carry out heat conduction through setting up ground connection heat conduction copper ring 5, the temperature sensing chip of the heat conduction income sensor circuit board 3 inside that gives off high-tension cable joint sinle silk 7 carries out the temperature measurement, has effectively avoided the inaccurate problem of temperature measurement that heat loss leads to; the utility model discloses a set up fixed establishment 6, utilize threaded connection to make the arc support tight head 63 can support tight high tension cable joint sinle silk 7, accomplish to temperature sensor's fixed, avoided the outside fixed, simplified the temperature measurement structure, be convenient for installation and dismantlement, the cost is reduced simultaneously.
The using method comprises the following steps: in the implementation process, a cable joint which needs to be installed and used is opened, then the sensor is sleeved in the cable joint, because the diameter size of the cable is smaller than that of the sensor, the built-in temperature measuring sensor needs to be fixed on a high-voltage cable joint core 7 through a fixing mechanism 6, when the temperature measuring sensor is fixed, the arc-shaped abutting head 63 abuts against the high-voltage cable joint core 7 through screwing and rotating a threaded screw cover 61, the grounding heat-conducting copper ring 5 is in contact with the high-voltage cable joint core 7, the temperature measuring sensor is fixed, during temperature measurement, the grounding heat-conducting copper ring 5 conducts heat conduction on heat dissipated on the high-voltage cable joint core 7 to a temperature sensing chip inside a sensor circuit board 3 to measure the temperature, temperature signals are radiated to the periphery through the annular antenna 2, and the sending of the signals is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a temperature sensor of built-in cable joint application in middle of high pressure, includes sensor body (1), its characterized in that: the sensor comprises a sensor body (1), and is characterized in that an outer shell (4) is fixedly mounted on the outer side surface of the sensor body (1), a grounding heat conduction copper ring (5) is embedded into the inner side surface of the sensor body (1), a sensor circuit board (3) is arranged at the outer side position, close to the grounding heat conduction copper ring (5), inside of the sensor body (1), an annular antenna (2) is arranged at the outer side position, close to the sensor circuit board (3), of the sensor body (1), and a fixing mechanism (6) is installed at the connecting position of the sensor body (1) and the outer shell (4.
2. The temperature sensor built in the high-voltage intermediate cable joint application as claimed in claim 1, wherein: fixing mechanism (6) are including running through screw hole (64) of seting up in sensor body (1) inside, sensor body (1) is rotated through screw hole (64) and is connected with arc and supports tight head (63), the one end fixed mounting that the arc supported tight head (63) has screw thread screw cap (61).
3. The temperature sensor built in the high-voltage intermediate cable joint application as claimed in claim 2, wherein: the arc butts the hookup location of head (63) and shell body (4) and is provided with sealing washer (62), sealing washer (62) are the component of a rubber material.
4. The temperature sensor built in the high-voltage intermediate cable joint application as claimed in claim 1, wherein: the sensor circuit board (3) is internally embedded with a temperature sensing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020758461.6U CN211783933U (en) | 2020-05-11 | 2020-05-11 | Temperature sensor applied to high-voltage intermediate cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020758461.6U CN211783933U (en) | 2020-05-11 | 2020-05-11 | Temperature sensor applied to high-voltage intermediate cable connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211783933U true CN211783933U (en) | 2020-10-27 |
Family
ID=72957220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020758461.6U Active CN211783933U (en) | 2020-05-11 | 2020-05-11 | Temperature sensor applied to high-voltage intermediate cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211783933U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7072312B1 (en) | 2022-01-20 | 2022-05-20 | 華晋グローバル株式会社 | Temperature measuring device and temperature measuring system at high voltage cable connection |
-
2020
- 2020-05-11 CN CN202020758461.6U patent/CN211783933U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7072312B1 (en) | 2022-01-20 | 2022-05-20 | 華晋グローバル株式会社 | Temperature measuring device and temperature measuring system at high voltage cable connection |
| JP2023106175A (en) * | 2022-01-20 | 2023-08-01 | 華晋グローバル株式会社 | Temperature measurement apparatus and temperature measurement system of high-voltage cable connection part |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211783933U (en) | Temperature sensor applied to high-voltage intermediate cable connector | |
| CN108832585B (en) | High-voltage cable thermal shrinkage waterproof sealing cap | |
| CN208078201U (en) | A kind of joint structure of high voltage cable | |
| CN105758526A (en) | Unmanned plane device with function of giving alarm against overheating of high-voltage equipment, and application method | |
| CN103050240B (en) | A kind of Transformer Bushing Tap signal ejector | |
| WO2020206978A1 (en) | Online water leak monitoring apparatus for electrical power cables | |
| CN206931983U (en) | Cable shielding joint | |
| CN204332485U (en) | A kind of cross-linked polyethylene insulated copper strip shielding frequency-changing cable with self-checking function | |
| CN202996530U (en) | Transformer bushing end screen signal leading-out apparatus | |
| CN112735667A (en) | Shielding monitoring type cable for coal mine area and using method thereof | |
| CN115013741B (en) | Prefabricated directly-buried heat preservation pipe with energy saving monitoring function and monitoring method thereof | |
| CN110132325A (en) | A kind of power cable water inlet sensing device based on stress enhancing structure | |
| CN202816411U (en) | Remote monitoring break line alarm through grounding wire | |
| CN211717661U (en) | Use passive wireless sensor at high-voltage intermediate cable joint temperature measurement | |
| CN105048295B (en) | A kind of integrating device and method of optical-fiber-type current transformer and breaker | |
| CN202996529U (en) | Threaded type leading-out device of transformer bushing end screen signal | |
| CN113054612A (en) | Built-in intelligent conductor temperature measurement cable intermediate head | |
| CN208399621U (en) | A kind of partial pressure type electric detonation tube detection device | |
| CN218675180U (en) | Cable line distributed fault accurate positioning device | |
| CN207530225U (en) | Presetting system cable terminal connector temperature measurement structure | |
| CN207398723U (en) | Three core cable tracting head | |
| CN218730087U (en) | Land power cable with monitoring function | |
| CN211556827U (en) | Novel 10kV front connector | |
| CN204855624U (en) | Harmless sampling device of capacitive equipment end screen electric current | |
| CN205427113U (en) | 35kV and above insulating tube single core cable sheath fault locating device of wearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |