CN213455908U - Electric power binding post temperature measuring device - Google Patents
Electric power binding post temperature measuring device Download PDFInfo
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- CN213455908U CN213455908U CN202022876577.2U CN202022876577U CN213455908U CN 213455908 U CN213455908 U CN 213455908U CN 202022876577 U CN202022876577 U CN 202022876577U CN 213455908 U CN213455908 U CN 213455908U
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- magnetic core
- temperature sensor
- measuring device
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Abstract
The utility model provides an electric power terminal temperature measuring device, including magnetic core, magnetic core winding, fixed temperature sensor, activity temperature sensor, power conversion and the wireless transceiver circuitry board of temperature measurement, plastic casing. The device has three temperature sensors, adopts self-powered technology, and uses wireless transmission temperature data. The device has a compact and small structure, can effectively reduce the occupation of the temperature measuring device on the internal space of the binding post cable connector, adopts a wireless transmission principle, and reduces the requirements on equipment installation insulation and safety. The device is provided with a power supply device, so that the equipment maintenance requirement is reduced.
Description
Technical Field
The utility model relates to a power wiring terminal temperature measuring device.
Background
In the process of long-term operation, the connecting part of the binding post and the cable is overheated under normal load due to aging, screw loosening, poor contact and other reasons, and the temperature of the connecting part is difficult to monitor due to space, insulation, safety and other factors.
Disclosure of Invention
For solving the difficult problem of power terminal temperature monitoring, the utility model provides a power terminal temperature measuring device can effectively reduce installation space, satisfies requirements such as equipment electrical insulation, safety.
The utility model adopts the technical proposal that: the utility model provides an electric power terminal temperature measuring device which characterized by: the temperature measurement and control device comprises a magnetic core winding (1), a magnetic core (2), a fixed temperature sensor (3), a movable temperature sensor (4), a plastic shell (5) and a power supply conversion and temperature measurement wireless transceiving circuit board (6), wherein the magnetic core winding (1), the magnetic core (2), the fixed temperature sensor (3) and the power supply conversion and temperature measurement wireless transceiving circuit board (6) are arranged in the plastic shell (5); the connection mode of each part is as follows: the output ends of the magnetic core winding (1), the fixed temperature sensor (3) and the movable temperature sensor (4) are connected to a power supply conversion and temperature measurement wireless transceiving circuit board (6).
The utility model provides an electric power terminal temperature measuring device which characterized by: the movable temperature sensor (4) is fixed on the O-shaped metal gasket and is connected with a power supply conversion and temperature measurement wireless transceiving circuit board (6) through a lead. The utility model discloses technological effect:
1. the occupation of the temperature measuring device to the internal space of the binding post cable connector can be effectively reduced.
2. And a wireless transmission technology is adopted, so that the requirements on equipment installation insulation and safety are reduced.
3. The device is provided with a power supply unit, external power supply is not needed, installation is convenient, and equipment maintenance is reduced.
Drawings
FIG. 1 is a schematic view of the present invention
FIG. 2 is an internal structure diagram of the present invention
FIG. 3 is a block diagram of the present invention
FIG. 4 is a schematic view of the installation of the present invention
The utility model discloses the theory of operation:
the utility model discloses a functional block diagram is shown in fig. 3, get electric magnetic core (2) and magnetic core winding (1) and become secondary voltage with the heavy current transformation that passes magnetic core (2), secondary voltage inserts in power conversion and the wireless transceiver circuitry board of temperature measurement (6), power conversion and the wireless transceiver circuitry board of temperature measurement (6) contain power conversion, temperature measurement, a processor, wireless transceiver unit, power conversion unit converts big dynamic range's alternating current secondary voltage into the one-way steady voltage DC power supply of each functional circuit demand, and charge energy storage electric capacity, after the electric power terminal electric current disappears, energy storage electric capacity begins the power supply, in order to maintain temperature measuring device and continuously supply power. The fixed temperature sensor (3) and the movable temperature sensor (4) input output signals to the temperature measuring unit, the temperature measuring unit conditions signals of the 2-path fixed temperature sensor and the 1-path movable temperature sensor, and outputs the conditioned signals to the processor unit to be converted into temperature values; the processor is communicated with the wireless receiving and sending unit through serial communication, the wireless module sends the actual temperature value to the wireless acquisition terminal, and the wireless acquisition terminal receives the actual temperature value and then displays the actual temperature value on site or sends the actual temperature value to the upper computer through communication to check the temperature.
Detailed Description
A temperature measuring device for an electric power binding post is shown in figure 2 and comprises a magnetic core winding 1, a magnetic core 2, a fixed temperature sensor 3, a movable temperature sensor 4, a plastic shell 5 and a power supply conversion and temperature measurement wireless transceiving circuit board 6, wherein the magnetic core winding 1, the magnetic core 2, the fixed temperature sensor 3 and the power supply conversion and temperature measurement wireless transceiving circuit board 6 are arranged in the plastic shell 5; the connection mode of each part is as follows: the output ends of the magnetic core winding 1, the fixed temperature sensor 3 and the movable temperature sensor 4 are connected to a power supply conversion and temperature measurement wireless transceiving circuit board 6.
As shown in figure 1, in the power wiring terminal temperature measuring device, a movable temperature sensor 4 is fixed on an O-shaped metal gasket and is connected with a power supply conversion and temperature measurement wireless transceiving circuit board 6 through a lead. The shell of the temperature measuring device is of an annular structure and is embedded outside the binding post during installation. 2 fixed temperature sensor 3 are installed to the inboard symmetry of the cyclic annular shell of temperature measuring device, and after temperature measuring device assembled the power terminal, 3 in close contact with power terminal lateral wall of fixed temperature sensor to accurate temperature measurement. In addition, the temperature measuring device is connected with an external movable temperature measuring sensor 4 through a flexible conductor, and the movable temperature measuring sensor 4 is directly installed below a cable joint fixing screw, so that the temperature change at the joint can be quickly responded.
As shown in fig. 3, the power-taking magnetic core 2 and the magnetic core winding 1 convert the large current passing through the magnetic core 2 into a secondary voltage, the secondary voltage is connected to the power conversion and temperature measurement wireless transceiver circuit board 6, the power conversion and temperature measurement wireless transceiver circuit board 6 comprises a power conversion unit, a temperature measurement unit, a processor and a wireless transceiver unit, the power conversion unit converts the large dynamic range alternating current secondary voltage into a single-circuit voltage-stabilizing direct current power supply required by each functional circuit, and charges the energy storage capacitor, and after the current of the power wiring terminal disappears, the energy storage capacitor starts to supply power to maintain the continuous power supply of the temperature measuring device. The fixed temperature sensor 3 and the movable temperature sensor 4 input output signals to the temperature measuring unit, the temperature measuring unit conditions signals of the 2-path fixed temperature sensor and the 1-path movable temperature sensor, and outputs the conditioned signals to the processor unit to be converted into temperature values; the processor is communicated with the wireless receiving and sending unit through serial communication, the wireless module sends the actual temperature value to the wireless acquisition terminal, and the wireless acquisition terminal receives the actual temperature value and then displays the actual temperature value on site or sends the actual temperature value to the upper computer through communication to check the temperature.
The installation mode of the electric wiring terminal temperature measuring device is shown in figure 4, and two ends of an electric wiring terminal piece are respectively connected with the ends of an electric cable. During normal operation, supply current flows through the power wiring terminal through the current cable terminal.
The above detailed description is made on the components, the working principle and the implementation mode of the present invention with reference to the accompanying drawings, but the present invention is not limited to the above implementation mode, and the simple deformation and adjustment of the present invention all belong to the protection scope of the present invention. The utility model discloses a terminal structure can effectively reduce temperature measuring device to the occupation of terminal cable joint inner space, and the device is from taking power supply unit, need not the outside power supply, and simple to operate adopts the wireless transmission principle, reduces the insulating and safety requirement of equipment fixing.
Claims (2)
1. The utility model provides an electric power terminal temperature measuring device which characterized by: the temperature measurement and control device comprises a magnetic core (2), a magnetic core winding (1), a fixed temperature sensor (3), a movable temperature sensor (4), a power supply conversion and temperature measurement wireless transceiving circuit board (6) and a plastic shell (5), wherein the magnetic core (2), the magnetic core winding (1), the fixed temperature sensor (3) and the power supply conversion and temperature measurement wireless transceiving circuit board (6) are arranged in the plastic shell (5); the connection mode of each part is as follows: the output ends of the magnetic core winding (1), the fixed temperature sensor (3) and the movable temperature sensor (4) are connected to a power supply conversion and temperature measurement wireless transceiving circuit board (6).
2. The electric power binding post temperature measuring device according to claim 1, wherein: the movable temperature sensor (4) is fixed on the O-shaped metal gasket and is connected with a power supply conversion and temperature measurement wireless transceiving circuit board (6) through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022876577.2U CN213455908U (en) | 2020-12-04 | 2020-12-04 | Electric power binding post temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022876577.2U CN213455908U (en) | 2020-12-04 | 2020-12-04 | Electric power binding post temperature measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213455908U true CN213455908U (en) | 2021-06-15 |
Family
ID=76304314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022876577.2U Active CN213455908U (en) | 2020-12-04 | 2020-12-04 | Electric power binding post temperature measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213455908U (en) |
-
2020
- 2020-12-04 CN CN202022876577.2U patent/CN213455908U/en active Active
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