CN218335775U

CN218335775U - Photovoltaic inverter heat dissipation control device

Info

Publication number: CN218335775U
Application number: CN202222942999.4U
Authority: CN
Inventors: 许旭辉
Original assignee: Xiamen University of Technology
Current assignee: Xiamen University of Technology
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-01-17
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a photovoltaic inverter heat dissipation control device relates to heat dissipation control device technical field. The upper end fixedly connected with a plurality of fin of heat-conducting plate leaves the clearance between a plurality of fin, the top of dc-to-ac converter is provided with the carriage, carriage left side end opening sets up, the right side end of carriage extends to the right side of dc-to-ac converter to fixedly connected with curb plate, the top of carriage is provided with blowing mechanism, be provided with exhaust mechanism on the right side wall of curb plate. Utilize temperature sensor to fin upper end temperature detection, open the suction motor through the controller when temperature detects highly, utilize suction motor to drive exhaust fan and take away fin department heat, be provided with the carriage in the fin upper end simultaneously, utilize the carriage to play the limiting displacement to the air current, guarantee that most air flows in the carriage inboard, improve air drafting mechanism's work efficiency, avoid the problem that open updraft ventilator radiating efficiency is low.

Description

Photovoltaic inverter heat dissipation control device

Technical Field

The utility model relates to a heat dissipation control device technical field especially relates to a photovoltaic inverter heat dissipation control device.

Background

Photovoltaic inverters are inverters that convert variable dc voltage produced by Photovoltaic (PV) solar panels into mains frequency Alternating Current (AC), which can be fed back to a commercial power transmission system or used by an off-grid power grid. The photovoltaic inverter is one of important system balances in a photovoltaic array system and can be used together with common alternating current power supply equipment. Photovoltaic inverter can produce the heat when using, consequently needs heat abstractor to dispel the heat to it, but current heat radiation structure generally is the heating panel natural cooling, or is provided with the heat dissipation fan in the heating panel outside, derives the heat, because the inverter is located energy conversion device's inboard, and inner space is less, only through fin and heat dissipation fan, and the radiating effect is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photovoltaic inverter heat dissipation controlling means has solved the technical problem who proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a photovoltaic inverter heat dissipation control device, includes the dc-to-ac converter, the upper end of dc-to-ac converter is connected with the heat-conducting plate, and the upper end fixedly connected with a plurality of fin of heat-conducting plate leaves the clearance between a plurality of fin, the top of dc-to-ac converter is provided with the carriage, carriage left side end opening sets up, the right side end of carriage extends to the right side of dc-to-ac converter to fixedly connected with curb plate, the carriage is located the fin directly over, the lower extreme fixed connection of both sides wall around the upper end of both sides fin and the carriage around, the top of carriage is provided with the mechanism of blowing, be provided with exhaust mechanism on the right side wall of curb plate, the last fixed surface of carriage is connected with the controller.

Preferably, the blowing mechanism comprises a blowing frame, a blowing motor and a blowing fan, the lower end of the blowing frame penetrates through the upper side wall of the supporting frame and is communicated with the supporting frame, the blowing motor is fixedly connected to the outer wall of the upper side of the blowing frame, the output end of the blowing motor penetrates through the upper side wall of the blowing frame and is fixedly connected with the blowing fan, and a plurality of air inlets are formed in the upper side wall of the blowing frame.

Preferably, the air draft mechanism includes air draft frame, air draft motor and induced draft fan, the left side end of air draft frame runs through the curb plate to communicate with the carriage, air draft motor fixed connection is on the right side outer wall of air draft frame, air draft motor's output runs through the right side wall of air draft frame to fixedly connected with induced draft fan, a plurality of exhaust vent has been seted up on the right side wall of air draft frame.

Preferably, fixedly connected with timing device on the right side wall of curb plate, the equal fixedly connected with temperature sensor of both sides inner wall around the carriage, timing device, controller all with temperature sensor electric connection.

Preferably, a plurality of auxiliary holes are formed in the front side wall and the rear side wall of the supporting frame.

Compared with the prior art, the utility model provides a pair of photovoltaic inverter heat dissipation controlling means has following beneficial effect:

the utility model provides a photovoltaic inverter heat dissipation control device, this device is provided with exhaust mechanism on the right side of fin, when using, utilize temperature sensor to detect fin upper end temperature, open exhaust motor through the controller when temperature detects when higher, utilize exhaust motor to drive exhaust fan and take away fin department heat, be provided with the carriage on the fin simultaneously, utilize the carriage to play the restriction effect to the air current, guarantee that most air flows in the carriage inboard, improve exhaust mechanism's work efficiency, avoid the problem that open exhaust device radiating efficiency is low, time high temperature duration through the timing device, when the continuation high temperature appears, open blower motor through the controller, utilize blower motor to drive the blower fan and rotate, use with exhaust fan mutually supported, improve the air flow velocity around the fin, thereby reach rapid cooling's purpose.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of another perspective structure of the present invention;

fig. 3 is a schematic view of the section three-dimensional structure of the present invention.

In the figure: 1. an inverter; 2. a heat conducting plate; 3. a heat sink; 4. a support frame; 5. a blowing mechanism; 51. a blowing frame; 52. an air inlet hole; 53. a blower motor; 54. a blowing fan; 6. an air draft mechanism; 61. an air draft frame; 62. an air outlet; 63. an air draft motor; 64. an air draft fan; 7. a controller; 8. a timing device; 9. an auxiliary hole; 10. a temperature sensor; 11. and a side plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a heat dissipation control device of a photovoltaic inverter comprises an inverter 1, wherein the upper end of the inverter 1 is connected with a heat conducting plate 2, the upper end of the heat conducting plate 2 is fixedly connected with a plurality of radiating fins 3, gaps are reserved among the radiating fins 3, a supporting frame 4 is arranged above the inverter 1, the supporting frame 4 is utilized to limit the air flow direction, most of air is guaranteed to flow in the inner side of the supporting frame 4, the working efficiency of an air draft mechanism 6 is improved, the left side end of the supporting frame 4 is opened, the right side end of the supporting frame 4 extends to the right side of the inverter 1 and is fixedly connected with a side plate 11, the supporting frame 4 is positioned right above the radiating fins 3, the upper ends of the radiating fins 3 on the front side and the rear side are fixedly connected with the lower ends of the front side wall and the rear side wall of the supporting frame 4, and a blowing mechanism 5 is arranged above the supporting frame 4, an air draft mechanism 6 is arranged on the right side wall of the side plate 11, a controller 7 is fixedly connected to the upper surface of the supporting frame 4, a timing device 8 is fixedly connected to the right side wall of the side plate 11, temperature sensors 10 are fixedly connected to the inner walls of the front side wall and the rear side wall of the supporting frame 4, the timing device 8 and the controller 7 are electrically connected with the temperature sensors 10, a plurality of auxiliary holes 9 are formed in the front side wall and the rear side wall of the supporting frame 4, the temperature sensors 10 are used for detecting the temperature of the upper end of the radiating fin 3, when the temperature is detected to be high, the air draft mechanism 6 is controlled by the controller 7 to draft air, the high temperature duration time is timed by the timing device 8, and when continuous high temperature occurs, the air draft mechanism 5 is opened by the controller 7 to blow air;

blowing mechanism 5 is including blowing frame 51, blower motor 53 and fan 54 of blowing, the lower extreme of blowing frame 51 runs through the last lateral wall of carriage 4, and be linked together with carriage 4, blower motor 53 fixed connection is on the upside outer wall of blowing frame 51, the output of blower motor 53 runs through the last lateral wall of blowing frame 51, and fixedly connected with fan 54 of blowing, a plurality of fresh air inlet 52 has been seted up on the last lateral wall of blowing frame 51, ventilation mechanism 6 is including exhaust frame 61, ventilation motor 63 and fan 64, the left side end of exhaust frame 61 runs through curb plate 11, and communicate with carriage 4, ventilation motor 63 fixed connection is on the right side outer wall of exhaust frame 61, the output of ventilation motor 63 runs through the right side wall of exhaust frame 61, and fixedly connected with fan 64, a plurality of exhaust vent 62 has been seted up on the right side wall of exhaust frame 61, utilize fan 63 to drive fan 64 to take out heat with fin 3, utilize blower motor 53 to drive fan 54 and rotate, use with fan 64 mutually supporting, improve the air flow velocity around the fin 3, thereby reach the mesh of quick cooling.

To sum up, the utility model has the advantages that: this device is provided with exhaust mechanism 6 on the right side of fin 3, when using, utilize temperature sensor 10 to detect fin 3 upper end temperature, open air draft motor 63 through controller 7 when temperature detects highly, utilize air draft motor 63 to drive air draft fan 64 and take out fin 3 department heat, be provided with carriage 4 in fin 3 upper end simultaneously, utilize carriage 4 to play the restriction effect to the air current direction, guarantee that most air flows in carriage 4 inboard, improve air draft mechanism 6's work efficiency, avoid the problem that open air draft device radiating efficiency is low, time high temperature duration through timing device 8, when the continuation high temperature appears, open air blast motor 53 through controller 7, utilize air blast motor 53 to drive air blast fan 54 and rotate, use with air draft fan 64 mutually supporting, improve the air flow velocity around the fin 3, thereby reach rapid cooling's purpose.

Claims

1. A photovoltaic inverter heat dissipation control device, includes inverter (1), its characterized in that: the utility model discloses a solar energy inverter, including dc-to-ac converter (1), upper end fixedly connected with heat-conducting plate (2) of dc-to-ac converter (1), upper end fixedly connected with a plurality of fin (3) of heat-conducting plate (2), leave the clearance between a plurality of fin (3), the top of dc-to-ac converter (1) is provided with carriage (4), carriage (4) left side end opening sets up, the right side end of carriage (4) extends to the right side of dc-to-ac converter (1) to fixedly connected with curb plate (11), carriage (4) are located fin (3) directly over, the upper end of front and back both sides fin (3) and the lower extreme fixed connection of carriage (4) front and back both sides wall, the top of carriage (4) is provided with blowing mechanism (5), be provided with convulsions mechanism (6) on the right side wall of curb plate (11), the last fixed surface of carriage (4) is connected with controller (7).

2. The photovoltaic inverter heat dissipation control device of claim 1, wherein: blow mechanism (5) including blowing frame (51), blower motor (53) and fan (54) of blowing, the lower extreme of blowing frame (51) runs through the last lateral wall of carriage (4) to be linked together with carriage (4), blower motor (53) fixed connection is on the last side outer wall of blowing frame (51), the output of blower motor (53) runs through the last lateral wall of blowing frame (51) to fixedly connected with fan (54) of blowing, a plurality of fresh air inlet (52) have been seted up on the last lateral wall of blowing frame (51).

3. The photovoltaic inverter heat dissipation control device of claim 1, wherein: air drafting mechanism (6) are including air draft frame (61), air draft motor (63) and induced draft fan (64), curb plate (11) are run through to the left side end of air draft frame (61) to communicate with carriage (4), air draft motor (63) fixed connection is on the right side outer wall of air draft frame (61), the right side wall of air draft frame (61) is run through to the output of air draft motor (63) to fixedly connected with induced draft fan (64), a plurality of exhaust vent (62) have been seted up on the right side wall of air draft frame (61).

4. The photovoltaic inverter heat dissipation control device of claim 1, wherein: fixedly connected with timing device (8) on the right side wall of curb plate (11), the equal fixedly connected with temperature sensor (10) of both sides inner wall around carriage (4), timing device (8), controller (7) all with temperature sensor (10) electric connection.

5. The photovoltaic inverter heat dissipation control device of claim 1, wherein: a plurality of auxiliary holes (9) are formed in the front side wall and the rear side wall of the supporting frame (4).