CN210744513U - Conversion cabinet suitable for wind generating set - Google Patents
Conversion cabinet suitable for wind generating set Download PDFInfo
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- CN210744513U CN210744513U CN201922184647.5U CN201922184647U CN210744513U CN 210744513 U CN210744513 U CN 210744513U CN 201922184647 U CN201922184647 U CN 201922184647U CN 210744513 U CN210744513 U CN 210744513U
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- contactor
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Abstract
The utility model discloses a conversion cabinet suitable for wind generating set, including the cabinet body, inlet wire cable, be qualified for the next round of competitions cable and two contactors, the internal contactor mounting panel that is equipped with of cabinet, two the contactor back-to-back install in on the contactor mounting panel, the both sides of the cabinet body are located to the inlet wire cable branch, it locates between the inlet wire cable of both sides to go out the cable. The utility model has the advantages of simple and compact structure, convenient installation and maintenance, etc.
Description
Technical Field
The utility model relates to a wind generating set especially relates to a conversion cabinet suitable for wind generating set.
Background
At present, a part of machine types of the double-fed wind driven generator set are provided with a conversion cabinet, the conversion cabinet enables the circuit topology to be better matched with the operation condition by changing the circuit topology of a motor, the availability of a fan is improved, and therefore the function of the conversion cabinet is very critical. At present, the switching cabinet in the cabin mainly has the following problems: a. by adopting the pagoda-shaped sealing ring, the operation failure of the cabinet and the reduction of the operation life of the electric screen cabinet caused by the sealing problem occur in the operation process of the cabinet; b. the available space of the conversion cabinet is very limited, so the layout in the conversion cabinet is very compact, and the operation difficulty caused by the space occurs in workshop assembly and field maintenance; c. the contactor inlet and outlet cable is directly connected with the contactor through the copper bar without a fixing device, and in a high-power wind turbine generator, because the cable is thick and heavy, the external load on the joint of the contactor and the copper bar is large, the copper bar is easy to loosen and even fall off, and the contactor is damaged; d. adopt the stainless steel to connect, because of the conversion cabinet belongs to heavy current power cable system, the phenomenon that the regulator cubicle normal operating is influenced because of the interior high temperature rise of cabinet that the vortex brought has appeared.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a simple structure, compactness, the conversion cabinet that is applicable to wind generating set of being convenient for install and maintain.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a conversion cabinet suitable for wind generating set, includes the cabinet body, inlet wire cable, the cable of being qualified for the next round of competitions and two contactors, the internal contactor mounting panel that is equipped with of cabinet, two the contactor back-to-back install in on the contactor mounting panel, the both sides of the cabinet body are located to the inlet wire cable branch, the cable of being qualified for the next round of competitions is located between the inlet wire cable of both sides.
As a further improvement of the above technical solution: the conversion cabinet applicable to the wind generating set further comprises a filtering air inlet fan and an exhaust fan, wherein the filtering air inlet fan and the exhaust fan are arranged on two opposite sides of the cabinet body. Cold air enters the cabinet body through the filtering air inlet fan, after heat exchange is completed, hot air is exhausted out of the cabinet body through the exhaust fan, real-time control over the temperature in the cabinet body is achieved, and the problem that heat dissipation of the conversion cabinet is not smooth is solved.
As a further improvement of the above technical solution: the filtering air inlet fan is arranged at the lower part of the cabinet body, and the exhaust fan is arranged at the upper part of the cabinet body, so that the heat dissipation effect is further improved.
As a further improvement of the above technical solution: the incoming cable and the outgoing cable are arranged at the bottom of the cabinet body in a penetrating mode. The upper structure of the cabinet body can provide certain shielding and protection effects for the incoming cables and outgoing cables at the bottom, and is favorable for improving the sealing property and the reliability.
As a further improvement of the above technical solution: and waterproof joints are arranged between the incoming cables and the outgoing cables and the cabinet body. The waterproof connector can provide a protection effect, and sealing and IP (Internet protocol) grade meeting requirements of the conversion cabinet are achieved.
As a further improvement of the above technical solution: the bottom of the cabinet body is provided with a stainless steel bottom plate, and the waterproof joint is a nylon joint. The eddy current heating problem of the large-current power cable in the cabinet body can be avoided by adopting the stainless steel bottom plate and the nylon connector.
As a further improvement of the above technical solution: the incoming cable is connected with the contactor through an upper end outer copper bar, the outgoing cable is connected with the contactor through a lower end outer copper bar, the upper end outer copper bar and the lower end outer copper bar are fixed in the cabinet body through insulators. The incoming line cable and the outgoing line cable are connected with the copper bar and then fixed on the conversion cabinet frame through the insulator, so that the risk that the contactor is damaged due to the fact that the copper bar is loosened or falls off because the incoming line cable and the outgoing line cable are thicker and heavier when the high-power wind turbine generator is used is avoided, and the structure is simple and reliable.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a conversion cabinet suitable for wind generating set installs two contactors back to back on the contactor mounting panel, and the both sides of the cabinet body are located to the inlet wire cable branch, and the outlet wire cable then locates between the inlet wire cable of both sides, and simple structure, compactness are favorable to guaranteeing the internal great space of cabinet, are convenient for realize the installation and the maintenance of parts such as contactor in limited space.
Drawings
Fig. 1 is a front view structure diagram of a conversion cabinet for a wind generating set.
Fig. 2 is a schematic view of the bottom view structure of the conversion cabinet of the wind turbine generator system of the present invention.
Fig. 3 is a schematic view of the inside three-dimensional structure of the conversion cabinet of the utility model.
Fig. 4 is a schematic view of the structure of the conversion cabinet inside the utility model.
Fig. 5 is a schematic view of the top view structure inside the conversion cabinet of the wind generating set of the present invention.
The reference numerals in the figures denote: 1. a support; 2. a cabinet body; 3. an exhaust fan; 4. filtering the air inlet fan; 5. a wire inlet cable; 6. an outgoing cable; 7. a contactor; 8. a middle copper bar; 9. the upper end of the copper bar is externally provided with a copper bar, 10, and the lower end of the copper bar is externally provided with a copper bar; 11. the lower end is provided with a right copper bar; 12. short-circuit copper bars; 13. an insulator; 14. an insulator mounting beam; 15. a contactor mounting plate; 16. mounting a beam on the insulator; 17. a cabinet frame; 18. a stainless steel base plate; 19. a waterproof joint; 20. a cabinet frame middle upright post; 21. the cabinet body frame is little stand.
Detailed Description
The invention is described in further detail below with reference to the drawings and specific examples.
Fig. 1 to 5 show an embodiment of the utility model is suitable for a wind generating set's conversion cabinet, the conversion cabinet suitable for wind generating set of this embodiment, including support 1, the cabinet body 2, air discharge fan 3, filtration air inlet fan 4, inlet wire cable 5, outlet wire cable 6, contactor 7, middle copper bar 8, the outer copper bar 9 that advances in of upper end, the left copper bar 10 of lower extreme is gone out, the right copper bar 11 of lower extreme is gone out, short circuit copper bar 12, insulator 13, insulator installation roof beam 14, contactor mounting panel 15, insulator installation crossbeam 16, cabinet body frame 17, mounting plate 18, water joint 19, cabinet body frame center pillar 20, cabinet body frame little stand 21.
The cabinet body 2 is fixed in the wind turbine generator system frame through support 1, and exhaust fan 3 is installed in 2 right side boards upper ends of the cabinet body, filters and admits air fan 4 and installs at 2 left side board lower extremes of the cabinet body, and one on one the lower formula is arranged, and cold air gets into the cabinet body 2 through filtering and admits air fan 4, and then hot-air passes through the exhaust fan 3 and discharges the cabinet body 2, realizes internal temperature control of cabinet. The left and right three groups of incoming cables 5 pass through a mounting base plate 18 through waterproof joints 19 to enter the cabinet body 2 and are connected with a left and right upper end outer inlet copper bar 9, wherein the upper end outer inlet copper bar 9 is fixed on an insulator mounting beam 14 through an insulator 13, the insulator mounting beam 14 is fixed on a cabinet body frame 17, the middle six groups of outgoing cables 6 pass through the mounting base plate 18 through the waterproof joints 19 to enter the cabinet body 2 and are connected with a middle lower end outer outlet left copper bar 10 and a middle lower end outer outlet right copper bar 11, wherein the lower end outer outlet left copper bar 10 is fixed on a left side insulator mounting cross beam 16 through an insulator 13, the left side insulator mounting cross beam 16 is fixed on a cabinet body frame middle upright post 20, the lower end outer outlet right copper bar 11 is fixed on a right side insulator mounting cross beam.
Left and right contactors 7 (two contactors 7 are same model) are fixed back to back on contactor mounting panel 15, contactor mounting panel 15 is fixed on cabinet body frame center pillar 20, left side contactor 7 realizes the short circuit through short circuit copper bar 12, left and right contactors 7 realize the intercommunication through middle copper bar 8, then through upper end outer copper bar 9 and incoming line cable 5 and external intercommunication, realize signal input, right contactor 7 lower extreme is through the lower extreme copper bar of going out (including the lower extreme left copper bar 10 of going out, the lower extreme right copper bar 11 of going out) and outgoing line cable 6 and external intercommunication, realize signal output.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a conversion cabinet suitable for wind generating set, includes the cabinet body (2), inlet wire cable (5), outlet wire cable (6) and two contactors (7), its characterized in that: be equipped with contactor mounting panel (15), two in the cabinet body (2) contactor (7) back-to-back install in on contactor mounting panel (15), the both sides of the cabinet body (2) are located to inlet wire cable (5) branch, outlet wire cable (6) are located between inlet wire cable (5) of both sides.
2. The conversion cabinet suitable for a wind generating set according to claim 1, wherein: still including filtering air inlet fan (4) and air discharge fan (3), filtering air inlet fan (4) and air discharge fan (3) arrange in the cabinet body (2) relative both sides.
3. The conversion cabinet suitable for a wind generating set according to claim 2, characterized in that: the filtering air inlet fan (4) is arranged at the lower part of the cabinet body (2), and the exhaust fan (3) is arranged at the upper part of the cabinet body (2).
4. Conversion cabinet suitable for a wind power plant according to any of the claims 1 to 3, characterized in that: the incoming cable (5) and the outgoing cable (6) penetrate through the bottom of the cabinet body (2).
5. The conversion cabinet suitable for a wind generating set according to claim 4, wherein: and waterproof joints (19) are arranged between the incoming cable (5) and the outgoing cable (6) and the cabinet body (2).
6. The conversion cabinet suitable for a wind generating set according to claim 5, wherein: the bottom of the cabinet body (2) is provided with a stainless steel bottom plate (18), and the waterproof joint (19) is a nylon joint.
7. Conversion cabinet suitable for a wind power plant according to any of the claims 1 to 3, characterized in that: incoming cable (5) through the upper end advance copper bar (9) outward with contactor (7) link to each other, outgoing cable (6) respectively through the lower extreme go out the copper bar with contactor (7) link to each other, the upper end advance copper bar (9) outward with the lower extreme go out the copper bar all be fixed in through insulator (13) in the cabinet body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922184647.5U CN210744513U (en) | 2019-12-09 | 2019-12-09 | Conversion cabinet suitable for wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922184647.5U CN210744513U (en) | 2019-12-09 | 2019-12-09 | Conversion cabinet suitable for wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210744513U true CN210744513U (en) | 2020-06-12 |
Family
ID=71011711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922184647.5U Active CN210744513U (en) | 2019-12-09 | 2019-12-09 | Conversion cabinet suitable for wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210744513U (en) |
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2019
- 2019-12-09 CN CN201922184647.5U patent/CN210744513U/en active Active
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