CN215419204U - Temperature measurement monitoring system for wind energy converter - Google Patents
Temperature measurement monitoring system for wind energy converter Download PDFInfo
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- CN215419204U CN215419204U CN202022773559.1U CN202022773559U CN215419204U CN 215419204 U CN215419204 U CN 215419204U CN 202022773559 U CN202022773559 U CN 202022773559U CN 215419204 U CN215419204 U CN 215419204U
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Abstract
A temperature measurement monitoring system for a wind energy converter comprises a grid-connected cabinet detection unit and a grid-connected cabinet heat dissipation unit which are arranged in a grid-connected cabinet, wherein the grid-connected cabinet detection unit adopts a temperature sensor and is used for detecting the ambient temperature of the grid-connected cabinet and uploading the ambient temperature to a main control background; the grid-connected cabinet radiating unit is used for cooling the grid-connected cabinet to maintain normal operation of devices; the real-time temperature of the converter grid-connected cabinet is monitored and displayed, and maintainers are reminded of checking in the case of overtemperature, so that the heat dissipation efficiency of a heat dissipation system is effectively improved, the fault rate of the converter is reduced, the generated energy is improved, and the service life of sensitive elements such as a simulation board is prolonged.
Description
Technical Field
The utility model relates to an electric appliance temperature measurement monitoring system, in particular to a wind energy converter temperature measurement monitoring system.
Background
With the new energy becoming the key point of economic growth, the development of wind power generation systems is faster and faster, and at present, a plurality of wind energy products are put into use. For example, wind energy converters are important components of wind power generation systems.
However, when the wind energy product works in a high-temperature area, the wind farm is hot and humid in summer, the highest temperature of the environment can reach 40 ℃, the heat inside the tower can not be removed in time, the heat exchange effect between the inside and the outside of the converter grid-connected cabinet is poor, and the temperature difference is too small, so that the heat of heating elements such as a circuit breaker, a contactor and a copper bar is accumulated continuously, the temperature is increased, and the fault of the converter is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a temperature measurement monitoring system of a wind energy converter aiming at the defect that the existing wind energy converter is easily influenced by a high-temperature environment.
A temperature measurement monitoring system of a wind energy converter is characterized by comprising a grid-connected cabinet detection unit and a grid-connected cabinet heat dissipation unit, wherein the grid-connected cabinet detection unit and the grid-connected cabinet heat dissipation unit are arranged in a grid-connected cabinet; and the grid-connected cabinet heat dissipation unit is used for cooling the grid-connected cabinet so as to maintain the normal work of devices.
Further, the temperature sensor is connected to the converter analog signal board.
Further, the temperature sensor employs PT 100.
Furthermore, the terminal lines of the temperature sensors 1 and 2 are in short circuit, and the terminal lines of the temperature sensors 3 and 4 are in short circuit and respectively led to the grounding end and the signal end of the converter analog signal board.
Further, the grid-connected cabinet heat dissipation unit comprises a heat dissipation fan arranged on a fan support of a rear plate of the grid-connected cabinet, and the temperature sensor is fixed at the edge of the fan support of the grid-connected cabinet heat dissipation fan.
Furthermore, the temperature sensor acquires temperature data and uploads the temperature data to the remote main control background, and the main control background displays the real-time temperature of the converter grid-connected cabinet.
Compared with the prior art, the utility model has the following beneficial effects:
the real-time temperature of the converter grid-connected cabinet is monitored and displayed, and maintainers are reminded of checking in the case of overtemperature, so that the heat dissipation efficiency of a heat dissipation system is effectively improved, the fault rate of the converter is reduced, the generated energy is improved, and the service life of sensitive elements such as a simulation board is prolonged.
Drawings
FIG. 1 is a system block diagram;
FIG. 2 is a schematic wiring diagram of the fan;
FIG. 3 is a schematic temperature sensor wiring diagram;
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the system is a schematic structural diagram, and includes a grid-connected cabinet heat dissipation system 200 disposed in the grid-connected cabinet 20, for cooling the grid-connected cabinet 20 to maintain normal operation of devices.
The grid-connected cabinet cooling system 200 further includes a grid-connected cabinet detection unit 210 and a grid-connected cabinet cooling unit 220. The grid-connected cabinet detection unit 210 is configured to detect an internal ambient temperature of the grid-connected cabinet 20, and control the grid-connected cabinet heat dissipation unit 220 to operate until the ambient temperature of the grid-connected cabinet 20 is satisfied when the ambient temperature of the grid-connected cabinet 20 is not satisfied. And when the ambient temperature of the grid-connected cabinet 20 does not satisfy the condition again, the grid-connected cabinet detection unit 210 detects again and starts the grid-connected cabinet heat dissipation unit 220 to work.
The grid-connected cabinet heat dissipation unit 220 employs an air-cooling heat dissipation fan.
A square opening is formed in the rear plate of the grid-connected cabinet and used for an air-cooled radiating fan to carry out overflowing; and 8 phi 4.2 through holes are also formed, the hole positions are symmetrically distributed along the periphery of the square opening on the rear plate, and the 8 phi 4.2 through holes are glued and tightly installed with the cooling fan bracket by using self-tapping screws ST 5.5. The fan is arranged on the fan bracket, and the fan overflowing part corresponds to the square opening on the rear plate.
The wiring diagram of the heat dissipation fan is shown in FIG. 2: an air cooling heat radiation fan FN04.83 is added on the back plate of the grid-connected cabinet, 220V electricity is taken from the 14 pins of the relay K04.62 by a fan power supply L line through a double-spliced terminal, and the N line of the fan power supply is connected to an X6-7 terminal row beside the switch power supply. The fan PE yellow green line is electrically connected to the grid-connected cabinet sheet metal part nearby. Q04.62 for fan power L line is a 2A miniature circuit breaker. When the fan cable is arranged and wired, heating sources such as copper bars in the cabinet should be avoided.
And the grid-connected cabinet detection unit 210 adopts a temperature sensor PT100 and is connected to the analog signal board to realize the collection of the temperature in the grid-connected cabinet for monitoring. When the temperature is too high, the air cooling fan is controlled to be started, and meanwhile, a wind power plant maintainer is reminded of timely inspecting on site and eliminating defects.
The temperature sensor wiring diagram is shown in FIG. 3: the length of the temperature sensor wiring is about 10 meters, the terminal wires of the temperature sensors 1 and 2 are short-circuited by double-spliced terminals, the terminal wires of the temperature sensors 3 and 4 are short-circuited similarly, and the short-circuited terminal wires are respectively led to a pin 3 and a pin 4 (the pin 3 is a GND terminal; and the pin 4 is a RES1 signal terminal) of the current transformer analog signal board P14. PT100 is installed and is fixed in grid-connected cabinet radiator fan support edge.
The temperature sensor collects the temperature and uploads the temperature to the remote main control background, the real-time temperature of the converter grid-connected cabinet is displayed, the monitoring of the temperature of the grid-connected cabinet is facilitated, and a maintainer is reminded of checking the temperature in case of overtemperature. The heat dissipation efficiency of the heat dissipation system is effectively improved, the fault rate of the converter is reduced, and the generated energy is improved. The service life of sensitive elements such as the simulation board is prolonged.
Finally, it should be noted that: although the present invention has been described in detail, it will be apparent to those skilled in the art that changes may be made in the above embodiments, and equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A temperature measurement monitoring system of a wind energy converter is characterized by comprising a grid-connected cabinet detection unit and a grid-connected cabinet heat dissipation unit, wherein the grid-connected cabinet detection unit and the grid-connected cabinet heat dissipation unit are arranged in a grid-connected cabinet; the grid-connected cabinet radiating unit is used for cooling the grid-connected cabinet to maintain normal operation of devices; the temperature sensor is connected with the converter analog signal board, the temperature sensor adopts PT100, terminal wires of the temperature sensor 1 and 2 are in short circuit, and terminal wires of the temperature sensor 3 and 4 are in short circuit and are respectively led to a grounding end and a signal end of the converter analog signal board; the grid-connected cabinet radiating unit comprises a radiating fan arranged on a fan bracket of a rear plate of the grid-connected cabinet, and a temperature sensor is fixed at the edge of the radiating fan bracket of the grid-connected cabinet; a square opening is formed in the rear plate of the grid-connected cabinet and used for an air-cooled radiating fan to carry out overflowing; 8 phi 4.2 through holes are also formed, the hole positions are symmetrically distributed along the periphery of the square opening on the rear plate, and the 8 phi 4.2 through holes are glued by self-tapping screws to be fixedly provided with a cooling fan bracket; the fan is arranged on the fan bracket, and the fan overflowing part corresponds to the square opening on the rear plate; a fan power supply L line takes 220V power from the relay through a double-spliced terminal, an N line of the fan power supply is connected to a terminal row beside the switch power supply, and a fan PE yellow-green line is electrically connected to a grid-connected cabinet sheet metal part nearby; the fan cable is arranged to run the line and keep away from the interior copper bar heating source of cabinet.
2. The temperature measurement monitoring system of the wind energy converter according to claim 1, wherein the temperature sensor uploads the temperature data to the remote main control background, and the main control background displays the real-time temperature of the converter grid-connected cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022773559.1U CN215419204U (en) | 2020-11-25 | 2020-11-25 | Temperature measurement monitoring system for wind energy converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022773559.1U CN215419204U (en) | 2020-11-25 | 2020-11-25 | Temperature measurement monitoring system for wind energy converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215419204U true CN215419204U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022773559.1U Active CN215419204U (en) | 2020-11-25 | 2020-11-25 | Temperature measurement monitoring system for wind energy converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215419204U (en) |
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2020
- 2020-11-25 CN CN202022773559.1U patent/CN215419204U/en active Active
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