CN219284522U - Ring main unit capacitor electricity-taking type plug wireless temperature measuring device - Google Patents
Ring main unit capacitor electricity-taking type plug wireless temperature measuring device Download PDFInfo
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- CN219284522U CN219284522U CN202320238542.7U CN202320238542U CN219284522U CN 219284522 U CN219284522 U CN 219284522U CN 202320238542 U CN202320238542 U CN 202320238542U CN 219284522 U CN219284522 U CN 219284522U
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Abstract
The utility model discloses a wireless temperature measuring device of a ring main unit capacitor electricity-taking type plug, which belongs to the technical field of wireless temperature measurement and comprises a shell and a cable plug, wherein the shell and the cable plug are integrally molded by casting high-pressure epoxy resin, and the wireless temperature measuring device further comprises: the utility model provides a temperature measurement subassembly for detecting the temperature of cable plug end cap department and can send the temperature data that detects, the temperature measurement subassembly set up in the inner chamber of casing for carry out the high-voltage capacitor of power supply to the temperature measurement subassembly, high-voltage capacitor set up in the inner chamber of casing, the temperature measurement subassembly with high-voltage capacitor is connected, top one side of casing is equipped with the earth connection, the temperature measurement subassembly includes: the utility model adopts the electric field energy-taking temperature sensor, can directly measure the temperature of the conductor inside the plug, and can reflect the instant temperature of the cable joint.
Description
Technical Field
The utility model relates to the technical field of wireless temperature measurement, in particular to a ring main unit capacitor electricity-taking type plug wireless temperature measurement device.
Background
At present, a method and related technologies for temperature measurement and early warning of a cable T-shaped connector in a ring main unit are not effective and accurate. The rough temperature measurement is to measure the temperature of the outer surface of the cable plug by using the conventional temperature measurement method, the optical fiber temperature measurement method, the infrared temperature measurement method, the wireless temperature measurement method and the like. The working power supply of the temperature sensing transmitting device adopts batteries to get electricity, CT to get electricity and the like. The working power supply of the wireless temperature measurement receiving device is mainly provided by the PT cabinet in a unified way.
The prior art has the defects that:
1. because the cable T-shaped connector has the characteristics of full sealing, high temperature resistance, insulation and heat insulation, the traditional contact type temperature measurement can not effectively measure the accurate temperature.
2. The conventional temperature measuring modes such as thermocouples, thermal resistors, semiconductor temperature sensors and the like require metal wires to transmit signals, and the insulating performance cannot be guaranteed.
3. The infrared temperature measurement has the advantages of large measurement range and high accuracy, and the defects that the infrared imager cannot measure the internal equipment through the cabinet door, the cabinet door must be closed when the switch cabinet operates, the infrared mode cannot be measured, the integrated integration of high-voltage equipment and temperature on-line detection cannot be realized, the infrared temperature measurement is non-contact temperature measurement, the interference of the environment and surrounding electromagnetic fields is easy, and manual operation is needed.
4. The optical fiber temperature sensor is arranged on the surface of a measured object, such as a contact, a bus contact and a power cable joint in a high-voltage switch cabinet, can accurately and rapidly measure the temperature of the surface of the measured object, and transmits measured data to a thermometer host through an optical fiber. The optical fiber is not interfered by high voltage and environment, and has the defects of easy breaking, intolerance to high temperature, easy insulation reduction after dust accumulation, large wiring difficulty in a cabinet and high manufacturing cost.
5. The battery for sending the temperature signal of the sensor is powered, and the sensor can continuously run for about 5 years, but the battery needs to be replaced for the second time, when the battery is replaced, the cabinet is required to be powered off, and in addition, the battery works at high temperature, so that explosion and electrolyte leakage risks are caused.
6. The CT electricity taking mode is used for sending the temperature signal of the sensor, the operation can be realized when the bus current is more than 50A, the self-heating is serious when the bus current is overlarge, and the fault rate is high.
7. When the working power supply of the wireless temperature measurement receiving device is mainly supplied by the PT cabinet, the temperature measurement is inconvenient at places without the PT cabinet, such as independent cable branch boxes, and the detection or automatic transformation of other equipment states is inconvenient.
Therefore, the utility model discloses a wireless temperature measuring device for the ring main unit capacitor electricity taking type plug.
Disclosure of Invention
The utility model is provided in view of the problems in the above and/or existing ring main unit capacitor electricity-taking type plug wireless temperature measuring device.
Therefore, the utility model aims to provide the ring main unit capacitor electricity-taking type plug wireless temperature measuring device, which can solve the existing problems.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
the utility model provides a looped netowrk cabinet electric capacity electricity-taking type end cap wireless temperature measuring device, it includes casing and cable plug end cap, the bottom inner wall of casing is equipped with the cable plug end cap, still includes:
the temperature measuring assembly is used for detecting the temperature of the cable plug and sending the detected temperature data, and the shell and the cable plug are integrally molded by casting high-pressure epoxy resin;
the high-voltage capacitor is used for supplying power to the temperature measuring assembly and is arranged in the inner cavity of the shell;
the temperature measuring component is connected with the high-voltage capacitor.
As a preferable scheme of the ring main unit capacitor electricity-taking type plug wireless temperature measuring device, the utility model comprises the following steps: and one side of the top end of the shell is provided with a grounding port.
As a preferable scheme of the ring main unit capacitor electricity-taking type plug wireless temperature measuring device, the utility model comprises the following steps: the temperature measurement assembly includes:
the electric field energy-taking temperature sensor is used for detecting the temperature of the cable plug.
As a preferable scheme of the ring main unit capacitor electricity-taking type plug wireless temperature measuring device, the utility model comprises the following steps: the output end of the electric field energy-taking temperature sensor is connected with a data processing and transmitting module, the input end of the data processing and transmitting module is connected with a 10kV high-voltage electricity-taking device, and the output end of the data processing and transmitting module is connected with an antenna.
As a preferable scheme of the ring main unit capacitor electricity-taking type plug wireless temperature measuring device, the utility model comprises the following steps: the data processing and transmitting module comprises:
the data processing module is used for processing the temperature data detected by the electric field energy-taking temperature sensor;
the transmitting module is used for transmitting the data processed by the data processing module;
the data processing module is connected with the sending module.
As a preferable scheme of the ring main unit capacitor electricity-taking type plug wireless temperature measuring device, the utility model comprises the following steps: the electric field energy-taking temperature sensor is a high-precision thermocouple.
As a preferable scheme of the ring main unit capacitor electricity-taking type plug wireless temperature measuring device, the utility model comprises the following steps: the data processing module is a low-power consumption singlechip.
As a preferable scheme of the ring main unit capacitor electricity-taking type plug wireless temperature measuring device, the utility model comprises the following steps: the sending module is a 4GHz frequency band chip.
Compared with the prior art:
1. the utility model adopts the electric field energy-taking temperature sensor, can directly measure the temperature of the internal conductor of the plug, and can reflect the instant temperature of the cable joint;
2. the electric field energy-taking temperature sensor and the cable plug are integrally designed, and the temperature measuring component adopts the voltage energy-taking power supply and wireless data transmission technology and can directly replace the original plug;
3. the utility model adopts the mode of voltage division and power taking of high-voltage power supply to directly provide the corresponding working power supply for the receiving host.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present utility model;
FIG. 2 is a schematic top view of the structure of the present utility model;
FIG. 3 is a schematic flow chart of the structure of the present utility model;
fig. 4 is a schematic diagram of the connection of the 10kV high-voltage power taking device of the present utility model.
In the figure: the device comprises a shell 10, a grounding port 20, a high-voltage capacitor 30, a temperature measuring component 40, an electric field energy taking temperature sensor 41, a data processing and transmitting module 42, a 10kV high-voltage electricity taking device 50, an antenna 60 and a cable plug 70.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The utility model provides a ring main unit capacitor electricity-taking type plug wireless temperature measuring device, referring to fig. 1-4, comprising a shell 10 and a cable plug 70;
the housing 10 and the cable plug 70 are integrally molded by casting with high-pressure epoxy resin, and the ground port 20 is provided on the top end side of the housing 10.
Further comprises: a temperature measuring component 40 for detecting the temperature at the cable plug 70 and transmitting the detected temperature data, and a high-voltage capacitor 30 for supplying power to the temperature measuring component 40;
the temperature measuring component 40 is disposed in the inner cavity of the housing 10, the high-voltage capacitor 30 is disposed in the inner cavity of the housing 10, and the temperature measuring component 40 is connected with the high-voltage capacitor 30.
The temperature measurement assembly 40 includes: an electric field energy-taking temperature sensor 41 for detecting the temperature at the cable plug stopper 70;
the output end of the electric field energy-taking temperature sensor 41 is connected with the data processing and transmitting module 42, the input end of the data processing and transmitting module 42 is connected with the 10kV high-voltage electricity taking device 50, the output end of the data processing and transmitting module 42 is connected with the antenna 60, and the electric field energy-taking temperature sensor 41 is a high-precision thermocouple.
The data processing and transmitting module 42 includes: a data processing module for processing the temperature data detected by the electric field energy-taking temperature sensor 41, and a transmitting module for transmitting the data processed by the data processing module;
the data processing module is connected with the sending module, the data processing module is a low-power consumption singlechip, and the sending module is a 4GHz frequency band chip.
Working principle: after the connection between the cable and the cable plug 70, the temperature at the cable plug 70 is detected by the electric field energy-taking temperature sensor 41, after the detection, the temperature data detected by the electric field energy-taking temperature sensor 41 is processed by the data processing module, after the processing, the data processed by the data processing module is transmitted by the transmitting module, and the transmitted data is received by the antenna 60.
The technical parameters of the utility model are as follows:
temperature measurement range: -40 ℃ -125 ℃;
temperature measurement accuracy: (+ -1 ℃;
the temperature measurement mode is as follows: contact type;
protection grade: IP68;
working frequency band: 433MHz;
the power-taking mode of the sending module is as follows: the electric field is electrified;
the power-taking mode of the host computer: the high-voltage capacitor divides voltage to get electricity;
switching on voltage: 8KV;
and (3) transmitting frequency: <10s;
capacitor electricity-taking voltage: 10 kV/. V3/AC/DC 85-265V;
the capacitor takes electric power: 6W;
lightning impulse: greater than 75KV;
withstand voltage: 42KV/1min;
normal partial discharge: 20KV, less than 2 PC.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The utility model provides a looped netowrk cabinet electric capacity electricity taking type end cap wireless temperature measuring device, includes casing (10) and cable plug end cap (70), casing (10) with cable plug end cap (70) are with high-pressure epoxy pouring integrated into one piece, its characterized in that still includes:
the temperature measuring assembly (40) is used for detecting the temperature at the cable plug (70) and sending the detected temperature data, and the temperature measuring assembly (40) is arranged in the inner cavity of the shell (10);
the high-voltage capacitor (30) is used for supplying power to the temperature measuring assembly (40), and the high-voltage capacitor (30) is arranged in the inner cavity of the shell (10);
the temperature measuring component (40) is connected with the high-voltage capacitor (30).
2. The ring main unit capacitor electricity taking type plug wireless temperature measuring device according to claim 1, wherein a grounding port (20) is arranged on one side of the top end of the shell (10).
3. The ring main unit capacitor electricity taking type plug wireless temperature measuring device according to claim 1, wherein the temperature measuring component (40) comprises:
an electric field energy-taking temperature sensor (41) for detecting the temperature at the cable plug (70).
4. A ring main unit capacitor electricity taking type plug wireless temperature measuring device according to claim 3, wherein the output end of the electric field energy taking temperature sensor (41) is connected with a data processing and transmitting module (42), the input end of the data processing and transmitting module (42) is connected with a 10kV high voltage electricity taking device (50), and the output end of the data processing and transmitting module (42) is connected with an antenna (60).
5. The ring main unit capacitor electricity taking type plug wireless temperature measuring device according to claim 4, wherein the data processing and transmitting module (42) comprises:
a data processing module for processing temperature data detected by the electric field energy-taking temperature sensor (41);
the transmitting module is used for transmitting the data processed by the data processing module;
the data processing module is connected with the sending module.
6. The ring main unit capacitor electricity taking type plug wireless temperature measuring device according to claim 5, wherein the electric field energy taking temperature sensor (41) is a high-precision thermocouple.
7. The wireless temperature measuring device of the ring main unit capacitor electricity taking type plug of claim 4, wherein the data processing module is a low-power consumption single chip microcomputer.
8. The wireless temperature measuring device of the ring main unit capacitor electricity taking type plug of claim 5, wherein the transmitting module is a 4GHz frequency band chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320238542.7U CN219284522U (en) | 2023-02-17 | 2023-02-17 | Ring main unit capacitor electricity-taking type plug wireless temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320238542.7U CN219284522U (en) | 2023-02-17 | 2023-02-17 | Ring main unit capacitor electricity-taking type plug wireless temperature measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219284522U true CN219284522U (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320238542.7U Active CN219284522U (en) | 2023-02-17 | 2023-02-17 | Ring main unit capacitor electricity-taking type plug wireless temperature measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219284522U (en) |
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2023
- 2023-02-17 CN CN202320238542.7U patent/CN219284522U/en active Active
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