CN214379611U - Circuit breaker auxiliary temperature control device of wind power plant fan network side converter in north - Google Patents
Circuit breaker auxiliary temperature control device of wind power plant fan network side converter in north Download PDFInfo
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- CN214379611U CN214379611U CN202120049562.0U CN202120049562U CN214379611U CN 214379611 U CN214379611 U CN 214379611U CN 202120049562 U CN202120049562 U CN 202120049562U CN 214379611 U CN214379611 U CN 214379611U
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Abstract
The utility model provides a circuit breaker auxiliary temperature control device of a fan network side converter of a northern wind power plant, which comprises an electric control cabinet inner framework, wherein a cabinet body outer side plate is arranged outside the electric control cabinet inner framework, and a plurality of switch door structures with different heights are arranged on the front side wall of the electric control cabinet inner framework; the internal lower side of the internal framework of the electric control cabinet is fixed with a cooling fan assembly, the cooling fan assembly is matched with a heating device and provides heat for the internal part of the electric control cabinet, and the heating device is connected with a temperature control system and controls the temperature of the internal part of the cabinet. When the temperature in the switch cabinet is too low, the heating device is automatically started, the heating device heats the interior of the switch cabinet to raise the temperature, when the temperature reaches the set temperature, the heating is automatically stopped, and the circuit breaker in the switch cabinet is further ensured to be kept at the working temperature of minus 25-70 ℃.
Description
Technical Field
The utility model relates to a fan wind-powered electricity generation case becomes technical device field, especially relates to the supplementary temperature control device of circuit breaker of wind power plant fan net side converter in the north.
Background
The wind electric field is located in Wuyi mountain area of Yichun city of Heilongjiang province, and is located in mountain range and abdomen area of Xiaoxingan mountain, the days of extremely cold temperature (lower than-30 ℃) in winter exceed 35 days, and the average temperature in winter is lower than-20 ℃. And the stability of the wind generating set under extreme low temperature weather will be seriously influenced, which may lead to the fault of the circuit breaker inside the switch cabinet, and further lead to the operation fault of the whole switch cabinet.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, the supplementary temperature control device of circuit breaker of wind power plant fan net side converter in the north is provided, install heating device through the spacious position in cubical switchboard inside additional, and link to each other heating device and temperature control unit, when the inside temperature of cubical switchboard is low excessively, with automatic start heating device, heat the intensification to the cubical switchboard inside through heating device, reach the settlement temperature when the temperature, with the automatic shutdown heating, and then guarantee that the inside circuit breaker of cubical switchboard keeps at-25 ℃ -70 ℃ operating temperature.
In order to realize the technical characteristics, the purpose of the utility model is realized as follows: the circuit breaker auxiliary temperature control device of the wind power plant wind turbine network side converter in the north comprises an electric control cabinet inner framework, wherein a cabinet body outer side plate is arranged on the outer side of the electric control cabinet inner framework, and a plurality of switch door structures with different heights are arranged on the front side wall of the electric control cabinet inner framework; the internal lower side of the internal framework of the electric control cabinet is fixed with a cooling fan assembly, the cooling fan assembly is matched with a heating device and provides heat for the internal part of the electric control cabinet, and the heating device is connected with a temperature control system and controls the temperature of the internal part of the cabinet.
And an element mounting frame for mounting electrical equipment is arranged between the inner frameworks of the electric control cabinet, and an electric control element is mounted on the element mounting frame.
The door opening and closing structure comprises a first group of opening and closing doors which are opened in half, and a second group of opening and closing doors are arranged on the side edge of the first group of opening and closing doors; a cabinet body top sealing plate is arranged at the top of the inner framework of the electric control cabinet; the first group of switch doors and the second group of switch doors are respectively hinged on the inner framework of the electric control cabinet through hinges.
The cooling fan assembly comprises a fan frame, the fan frame is fixed on an inner framework of the electric control cabinet through a locking bolt, fan blades are mounted inside the fan frame, and a main shaft of each fan blade is connected with the fan.
And a protective net is arranged at the air inlet side of the fan frame.
The heating device comprises an electric heating frame, the electric heating frame is fixed on a fan frame of the cooling fan assembly through a connecting bolt assembly, electric heating pipes which are arranged in parallel are installed on the electric heating frame, and the electric heating pipes are arranged on the air outlet side of the fan frame.
The temperature control system comprises a temperature sensor arranged in the cabinet body, the temperature sensor is connected with a signal input end of the controller, and a signal output end of the controller is respectively connected with a fan of the cooling fan assembly and an electric heating pipe of the heating device and controls the fan to start and stop.
The utility model discloses there is following beneficial effect:
1. the heating device is additionally arranged in the open position inside the switch cabinet and is connected with the temperature control unit, when the temperature inside the switch cabinet is too low, the heating device is automatically started, the temperature inside the switch cabinet is heated and raised through the heating device, when the temperature reaches a set temperature, the heating device is automatically stopped, and the circuit breaker inside the switch cabinet is kept at the working temperature of-25-70 ℃.
2. The element mounting rack can be used for fixedly mounting electric control elements, wherein the electric control elements comprise components such as a circuit breaker and an inverter.
3. The door opening and closing structure can be opened conveniently and can operate the internal electric elements.
4. The heat dissipation fan assembly can be used for the purpose of dissipating heat. In the working process, the fan blades are driven by the fan, and wind power is generated by the fan blades.
5. Can be used to the production of heat through foretell heating device, and then heat the electric cabinet inside.
6. The temperature can be automatically controlled by the temperature control system. Thereby ensuring that the temperature value in the cabinet body is kept within a certain range.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a first perspective three-dimensional view of the present invention.
Fig. 2 is a second perspective three-dimensional view of the present invention.
Fig. 3 is a first perspective three-dimensional view of the cooling fan assembly and the heating device of the present invention.
Fig. 4 is a second perspective three-dimensional view of the cooling fan assembly and the heating device of the present invention.
In the figure: the electric cabinet comprises a cabinet body outer side plate 1, a first group of switch doors 2, a hinge 3, a second group of switch doors 4, a switch 5, a cabinet body top sealing plate 6, an element mounting frame 7, an electric cabinet inner framework 8, a locking bolt 9, a fan frame 10, an electric heating frame 11, an electric heating pipe 12, a connecting bolt assembly 13, fan blades 14 and a protective net 15.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1-4, the circuit breaker auxiliary temperature control device of the grid-side converter of the wind turbine of the northern wind power plant comprises an electric control cabinet inner framework 8, a cabinet body outer side plate 1 is arranged on the outer side of the electric control cabinet inner framework 8, and a plurality of switch door structures with different heights are mounted on the front side wall of the electric control cabinet inner framework 8; and a cooling fan assembly is fixed on the lower side of the inside of the inner framework 8 of the electric control cabinet, the cooling fan assembly is matched with a heating device and provides heat for the inside of the electric control cabinet, and the heating device is connected with a temperature control system and controls the temperature inside the cabinet body. The heating device is additionally arranged in the open position inside the switch cabinet and is connected with the temperature control unit, when the temperature inside the switch cabinet is too low, the heating device is automatically started, the temperature inside the switch cabinet is heated and raised through the heating device, when the temperature reaches a set temperature, the heating device is automatically stopped, and the circuit breaker inside the switch cabinet is kept at the working temperature of-25-70 ℃.
Further, an element mounting rack 7 for mounting electrical equipment is arranged between the inner frameworks 8 of the electric control cabinet, and electric control elements are mounted on the element mounting rack 7. The component mounting rack 7 can be used for fixedly mounting electric control components, such as a circuit breaker and an inverter.
Further, the door opening and closing structure comprises a first group of opening and closing doors 2 which are opened in opposite directions, and a second group of opening and closing doors 4 are arranged on the side edge of the first group of opening and closing doors 2; a cabinet body top sealing plate 6 is arranged at the top of the inner framework 8 of the electric control cabinet; the first group of switch doors 2 and the second group of switch doors 4 are respectively hinged on an inner framework 8 of the electric control cabinet through hinges 3. The door opening and closing structure can be opened conveniently and can operate the internal electric elements.
Further, the cooling fan assembly comprises a fan frame 10, the fan frame 10 is fixed on the inner framework 8 of the electric control cabinet through a locking bolt 9, fan blades 14 are installed inside the fan frame 10, and a main shaft of each fan blade 14 is connected with the fan. The heat dissipation fan assembly can be used for the purpose of dissipating heat. During operation, fan blades 14 are driven by the fan, and wind power is generated by the fan blades 14.
Further, a protective screen 15 is installed at the air inlet side of the fan frame 10. The protection net 15 can protect the fan.
Further, the heating device comprises an electric heating frame 11, the electric heating frame 11 is fixed on a fan frame 10 of the cooling fan assembly through a connecting bolt assembly 13, electric heating pipes 12 arranged in parallel are mounted on the electric heating frame 11, and the electric heating pipes 12 are arranged on the air outlet side of the fan frame 10. Can be used to the production of heat through foretell heating device, and then heat the electric cabinet inside. In the working process, heat is generated through the electric heating pipe 12, and under the action of the cooling fan assembly, the heat is diffused into the cabinet body, the temperature rise in the cabinet body is finally realized, and the normal work of the circuit breaker is guaranteed.
Further, the temperature control system comprises a temperature sensor installed inside the cabinet body, the temperature sensor is connected with a signal input end of the controller, and a signal output end of the controller is respectively connected with a fan of the cooling fan assembly and an electric heating pipe 12 of the heating device and controls the fan to start and stop. The temperature can be automatically controlled by the temperature control system. Thereby ensuring that the temperature value in the cabinet body is kept within a certain range. In the working process, the temperature inside the cabinet body is monitored through the temperature sensor, when the temperature is lower than minus 15 ℃, the electric heating pipe 12 starts to work, hot air heats the frame breaker through the air duct, when the temperature is heated to minus 15 ℃, the frame breaker is switched on, a switching-on signal is fed back to the electric heating pipe 12, and the electric heating pipe 12 is controlled to be switched off. The electric heating tube 12 can meet the working temperature of the frame breaker at-25 ℃ to 70 ℃.
The utility model discloses a working process and principle do:
firstly, a front plate and a side plate of a switch cabinet are disassembled, an original terminal is disassembled, then a double-layer terminal is replaced, then a radiating fan assembly, a heating device and a temperature control system are installed at an empty position in the switch cabinet, and finally a lead is arranged and installed according to elements. When the ambient temperature around the circuit breaker is lower than minus 15 ℃, the electric heating pipe 12 starts to work, hot air heats the frame circuit breaker through the air duct, when the frame circuit breaker is heated to minus 15 ℃, the frame circuit breaker is switched on, a switching-on signal is fed back to the electric heating pipe 12, and the electric heating pipe 12 is controlled to be switched off. The electric heating tube 12 can meet the working temperature of the frame breaker at-25 ℃ to 70 ℃.
Generating benefits and implementation conditions:
the electric heating pipe 12 is installed on the fan network side circuit breaker through the station operating personnel, so that the problem that the machine set network side circuit breaker fails in suction due to low temperature in winter and is stopped is prevented, and the electric quantity of fault loss is reduced. When the generating capacity of the wind generating set is ensured in a low-temperature state in winter, the service life of the network side breaker is prolonged, and the corresponding equipment maintenance cost in the later stage is reduced.
Through this fan net side circuit breaker installation electric heating pipe 12 technical improvement work, the on-the-spot operation personnel have carried out the long-term effect of design achievement, and the result of effect is showing, and the development process adopts the QC activity to carry out the verification, and on-the-spot whole 33 fans have adopted this design, and it is effectual to carry out.
Claims (7)
1. Supplementary temperature control device of circuit breaker of wind power plant fan net side converter in north, its characterized in that: the cabinet door opening and closing mechanism comprises an electric control cabinet inner framework (8), wherein a cabinet body outer side plate (1) is arranged on the outer side of the electric control cabinet inner framework (8), and a plurality of door opening and closing structures with different heights are arranged on the front side wall of the electric control cabinet inner framework (8); and a cooling fan assembly is fixed on the lower side of the inside of the inner framework (8) of the electric control cabinet, the cooling fan assembly is matched with a heating device and provides heat for the inside of the electric control cabinet, and the heating device is connected with a temperature control system and controls the temperature inside the cabinet body.
2. The auxiliary temperature control device for the circuit breaker of the grid-side converter of the wind power plant in the north of claim 1, which is characterized in that: an element mounting rack (7) used for mounting electrical equipment is arranged between the inner frameworks (8) of the electric control cabinet, and electric control elements are mounted on the element mounting rack (7).
3. The auxiliary temperature control device for the circuit breaker of the grid-side converter of the wind power plant in the north of claim 1, which is characterized in that: the door opening and closing structure comprises a first group of opening and closing doors (2) which are opened in half, and a second group of opening and closing doors (4) are arranged on the side edge of the first group of opening and closing doors (2); a cabinet body top sealing plate (6) is arranged at the top of the inner framework (8) of the electric control cabinet; the first group of switch doors (2) and the second group of switch doors (4) are respectively hinged on an inner framework (8) of the electric control cabinet through hinges (3).
4. The auxiliary temperature control device for the circuit breaker of the grid-side converter of the wind power plant in the north of claim 1, which is characterized in that: the cooling fan assembly comprises a fan frame (10), the fan frame (10) is fixed on an inner framework (8) of the electric control cabinet through a locking bolt (9), fan blades (14) are mounted inside the fan frame (10), and a main shaft of each fan blade (14) is connected with a fan.
5. The auxiliary temperature control device for the circuit breaker of the grid-side converter of the wind power plant in the north of claim 4, characterized in that: and a protective net (15) is arranged at the air inlet side of the fan frame (10).
6. The auxiliary temperature control device for the circuit breaker of the grid-side converter of the wind power plant in the north of claim 1, which is characterized in that: the heating device comprises an electric heating frame (11), wherein the electric heating frame (11) is fixed on a fan frame (10) of the cooling fan assembly through a connecting bolt assembly (13), electric heating pipes (12) which are arranged in parallel are installed on the electric heating frame (11), and the electric heating pipes (12) are arranged on the air outlet side of the fan frame (10).
7. The auxiliary temperature control device for the circuit breaker of the grid-side converter of the wind power plant in the north of claim 1, which is characterized in that: the temperature control system comprises a temperature sensor arranged in the cabinet body, the temperature sensor is connected with a signal input end of a controller, and a signal output end of the controller is respectively connected with a fan of the cooling fan assembly and an electric heating pipe (12) of the heating device and controls the cooling fan assembly to start and stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120049562.0U CN214379611U (en) | 2021-01-09 | 2021-01-09 | Circuit breaker auxiliary temperature control device of wind power plant fan network side converter in north |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120049562.0U CN214379611U (en) | 2021-01-09 | 2021-01-09 | Circuit breaker auxiliary temperature control device of wind power plant fan network side converter in north |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214379611U true CN214379611U (en) | 2021-10-08 |
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ID=77954270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120049562.0U Active CN214379611U (en) | 2021-01-09 | 2021-01-09 | Circuit breaker auxiliary temperature control device of wind power plant fan network side converter in north |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214379611U (en) |
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2021
- 2021-01-09 CN CN202120049562.0U patent/CN214379611U/en active Active
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