CN205828906U - A kind of solar energy power distribution cabinet of effective dedusting heat radiation - Google Patents

Abstract

The utility model discloses a solar power distribution cabinet with effective dust removal and heat dissipation, which comprises a top cover, a cabinet body and a base. The top cover is provided with a lightning protection sheet, a suspension ring and a solar photovoltaic panel, and the bottom of the top cover is provided with an exhaust window. and an exhaust fan, and an early warning device is hung under the top cover; the cabinet body is arranged at the lower part of the top cover, and the cabinet body is connected with the cabinet door through hinges. There are multiple ventilation holes on the cabinet door, and there are A communication antenna, a photovoltaic control assembly is arranged in the cabinet, and the photovoltaic control assembly includes a battery electrically connected to each other, a solar controller, an AC contactor, and a temperature and humidity controller, and the AC contactor is connected to a semiconductor cooling sheet; the lower part of the cabinet A base is provided, and a dust collector is installed in the base; the utility model has a high degree of intelligence, can realize automatic regulation of temperature and humidity, and can realize remote online monitoring; has good heat dissipation effect, good early warning and prompt effect, and high safety performance; can effectively remove dust and dissipate heat , to ensure stable operation of equipment, long service life, and lower carbon.

Description

A solar power distribution cabinet with effective dust removal and heat dissipation

technical field

The invention relates to electric power equipment, in particular to a solar power distribution cabinet for effective dust removal and heat dissipation.

Background technique

The power distribution cabinet is assembled in a closed or semiclosed metal cabinet or on a screen width by switching equipment, measuring instruments, protective devices and auxiliary equipment according to the requirements of electrical wiring. The various components in the cabinet will release a lot of heat during work, so it is necessary to set vent holes on the box. Although the traditional vents can play a role in ventilation, dust is easy to enter. Dust-covered components run for a long time, and components are easy to A short circuit occurs, causing the equipment to not operate normally, and the ventilation function of the existing vents is not obvious, and it is easy to cause hot air to condense in the power distribution cabinet and damage the components; some power distribution cabinets are located in remote areas, which are affected by terrain and human resources. Due to the limitations, it is impossible to carry out frequent and regular maintenance inspections like the urban power distribution cabinets, and it is impossible to understand the operating status of the equipment, and the equipment damage cannot be dealt with in a timely manner, and the safe and stable operation of the equipment cannot be guaranteed. Therefore, remote monitoring of the equipment is required. ; The road lighting at night is not good, and electric equipment is often easily scratched by vehicles, causing accidents and power grid accidents. Most of the existing power distribution cabinets only use fluorescent strips to reflect light to play an early warning role. External dust weakens the reflective ability of the fluorescent strip, weakens the early warning function, and poses a safety hazard.

Contents of the invention

The object of the present invention is to provide a solar power distribution cabinet that effectively removes dust and dissipates heat, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

A solar power distribution cabinet for effective dust removal and heat dissipation, including a top cover, a cabinet body and a base. The top cover is a pagoda-shaped structure with a wide bottom and a narrow top. A cabinet body is arranged under the top cover, solar photovoltaic panels are arranged on the four slopes of the top cover, and an exhaust window is arranged on the lower part of the top cover, and the exhaust window includes an exhaust window inside the cabinet and an exhaust window outside the cabinet. The air window, the exhaust window and the exhaust window outside the cabinet are blocked by the side plate of the cabinet, and an air extraction duct is arranged between the top cover and the cabinet body, and the air extraction duct is respectively connected to the exhaust window in the cabinet and The exhaust window outside the cabinet is connected, and an exhaust fan is set at the connection between the air exhaust duct and the cabinet body; an early warning device is hung under the top cover, and the early warning device includes a shell, and a transparent protective cover is provided outside the shell, and LED lights are installed inside the shell And solar panels, LED lights around the circumferential direction of the shell evenly installed a plurality of solar panels arranged on the partition inside the shell, for the LED lights power supply, the shell is also provided with a photosensitive probe, the photosensitive probe and the LED lights connection; the cabinet body is connected to the cabinet door through a hinge, and a plurality of ventilation holes are provided on the cabinet door; a communication antenna is provided on the side panel of the cabinet body, and a photovoltaic control assembly is provided in the cabinet, and the photovoltaic control assembly It includes a storage battery, a solar controller, an AC contactor and a temperature and humidity controller. The humidity controller is connected with the temperature sensor and the humidity sensor respectively, and the AC contactor is connected with the semiconductor refrigeration sheet arranged on the side of the cabinet body, and the semiconductor refrigeration sheet is fixed at one end of the cabinet body and provided with a heat sink; the lower part of the cabinet body A base is provided, the base communicates with the cabinet body, and a dust collector is arranged in the base.

As a further solution of the present invention: reflective strips are provided on the four slope edges of the top cover and the two ends of the casing of the early warning device.

As a further solution of the present invention: the cabinet door is provided with a current display, a voltage display and a warning slogan, the warning slogan is located in the reflective area, and a handle and a door lock are also provided on the cabinet door.

As a further solution of the present invention: the storage battery supplies power to the dust collector, the communication antenna and the exhaust fan.

Compared with the prior art, the beneficial effects of the present invention are: the present invention is provided with a communication antenna and a top cover with a solar photovoltaic panel, which can realize remote monitoring of the power distribution cabinet, and has a high degree of intelligence; the top cover has a lightning protection sheet, It can effectively prevent electrical equipment from being damaged by lightning, and it is safe to use. The setting of the roof ring is convenient for the movement and transportation of electrical equipment; multiple ventilation methods can realize the air circulation inside and outside the cabinet, and can effectively realize the heat dissipation of electrical components in the cabinet and avoid hot air. Condensation damage to electrical components occurs, and the exhaust window is set downwards, which can effectively reduce the entry of dust, supplemented by regular dust removal of dust collectors, avoiding short circuits caused by excessive dust in electrical components, and can effectively extend power distribution The service life of the electrical components in the cabinet; in addition, the present invention utilizes solar photovoltaic panels to absorb solar energy and convert it into electric energy, and combines the data measured by the temperature sensor and the humidity sensor to control the work of the semiconductor refrigeration sheet through the AC contactor and the temperature and humidity controller to realize the adjustment of the cabinet. The purpose of internal temperature and humidity can effectively ensure the stable operation of equipment, energy saving and low carbon.

Description of drawings

Fig. 1 is a schematic diagram of the external structure of the present invention.

Fig. 2 is a structural schematic diagram of the present invention.

Figure 3 is a side view of the present invention.

FIG. 4 is an enlarged view of part A in FIG. 3 .

Fig. 5 is a structural schematic diagram of the top cover part of the present invention.

Fig. 6 is a structural schematic diagram of the early warning device in the present invention.

FIG. 7 is a schematic diagram of heat dissipation in the present invention.

Among them, 1-humidity sensor; 2-temperature sensor; 3-handle; 4-door lock; 5-cabinet door; 6-communication antenna; 7-ventilation hole; 8-current display; 9-photovoltaic control component; 10-exhaust fan ;11-solar photovoltaic panel; 12-lightning protection sheet; 13-hanging ring; 14-top cover; 15-warning device; 16-exhaust window; 17-voltage display; 18-warning slogan; Body; 21-dust collector; 22-base; 23-semiconductor cooling sheet; 24-heat sink; 25-battery; 26-exhaust window outside the cabinet; 27-exhaust window inside the cabinet; 29-reflective strip; 30-photosensitive probe; 31-partition; 32-LED lamp; 33-housing; 34-solar panel; 35-solar controller; 36-AC contactor; 37-temperature and humidity controller.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1 to 7. In an embodiment of the present invention, a solar power distribution cabinet that effectively removes dust and dissipates heat includes a top cover 14, a cabinet body 20, and a base 22. The top cover 14 is a pagoda-shaped structure with a wide bottom and a narrow top. , the top cover 14 is provided with a lightning protection sheet 12, the center of the upper part of the top cover is provided with a suspension ring 13, and a cabinet body 20 is provided under the top cover 14, and solar photovoltaic panels 11 are provided on the four slopes of the top cover 14. The bottom of cover 14 is provided with exhaust window 16, and described exhaust window 16 comprises the exhaust window 27 in the cabinet and the exhaust window 26 outside the cabinet, between the exhaust window 27 and the exhaust window 26 outside the cabinet by the The side plate is blocked, and an air extraction duct 28 is arranged between the top cover 14 and the cabinet body 20. The air extraction duct 28 communicates with the exhaust window 27 inside the cabinet and the exhaust window 26 outside the cabinet respectively. The air exhaust duct 28 An exhaust fan 10 is arranged at the connection with the cabinet body 20; an early warning device 15 is suspended below the top cover 14, and the early warning device 15 includes a casing 33, a transparent protective cover is provided outside the casing 33, and an LED lamp 32 and solar energy are arranged inside the casing 33. A plurality of battery panels 34 and LED lamps 32 are evenly arranged around the circumferential direction of the housing 33. The solar panel 34 is arranged on the partition 31 in the housing 33 to supply power for the LED lamps 32. A photosensitive probe is also provided in the housing 33. 30, the photosensitive probe 30 is connected to the LED lamp 32; the four slope edges of the top cover 14 and the two ends of the shell 33 of the early warning device 15 are provided with reflective strips 29; the cabinet 20 is connected to the cabinet door 5 through a hinge , the cabinet door 5 is provided with a plurality of ventilation holes 7, the cabinet door 5 is provided with a current display 8, a voltage display 17 and a warning slogan 18, the warning slogan 18 is located in the reflective area 19, and the cabinet door 5 is also provided with a handle 3 and a door lock 4; a communication antenna 6 is provided on the side panel of the cabinet 20, and a photovoltaic control assembly 9 is arranged inside the cabinet 20, and the photovoltaic control assembly 9 includes a storage battery 25, a solar controller 35, an AC contactor 36 and a temperature and humidity controller 37, the storage battery 25 is electrically connected with the solar photovoltaic panel 11, the solar photovoltaic panel 11 is connected with the solar controller 35, the solar controller 35 is connected with the temperature and humidity controller 37 through the AC contactor 5, and the temperature and humidity The controller 37 is connected to the temperature sensor 2 and the humidity sensor 1 respectively, and the AC contactor 5 is connected to the semiconductor cooling chip 23 arranged on the side of the cabinet body 20, and the semiconductor cooling chip 23 is fixed at one end of the cabinet body 20 and provided with a heat sink 24. A base 22 is provided at the lower part of the cabinet body 20, and the base 22 communicates with the cabinet body 20, and a dust collector 21 is arranged inside the base 22.

The working principle of the present invention is that the solar photovoltaic panel 11 absorbs solar energy and converts it into electric energy, and stores it in the storage battery 25 to realize the power supply to the solar controller 35, exhaust fan 10 and dust collector 21, and the temperature sensor 2 and the humidity sensor 1 accept the cabinet temperature and humidity signals within 20, and convert the signals into voltages and send them to the temperature and humidity controller 37. If the sensed temperature is higher than the temperature upper limit set by the temperature and humidity controller 37, the high temperature normally open main contact of the AC contactor 36 Conduction, so that the solar controller 35 outputs the electric energy generated by the solar photovoltaic panel 11 as a direct current for the work of the semiconducting cooling sheet 23. At this time, the end of the semiconducting cooling sheet 23 facing the cabinet 20 is the cooling end that continuously absorbs heat, and the other end is for heating. If the sensed temperature is lower than the temperature lower limit set by the temperature and humidity controller 37 or/and the humidity is higher than the humidity upper limit set by the temperature and humidity controller 37, the AC contactor 36 The low-temperature normally-open main contact is turned on, so that the solar controller 35 outputs the electric energy generated by the solar photovoltaic panel 11 as direct current for the semiconductor cooling sheet 23 to work. At this time, the end of the semiconductor cooling sheet 23 facing the cabinet 20 is the heating end that continuously releases heat , the other end is the cooling end that continuously absorbs heat to heat up or/and dehumidify the cabinet 20; when the photovoltaic control assembly 9 is working normally, the solar photovoltaic panel 11 provides a part of electric energy to the semiconductor refrigeration sheet 23, and the excess electric energy is delivered by the solar controller 35 to the storage battery 25 and store it, when the photovoltaic control assembly 9 cannot work normally when the light is insufficient, the electric energy stored in the storage battery 25 is released for the work of the semiconductor refrigeration sheet 23; in the present invention, the electric energy converted by the solar photovoltaic panel 11 is also an exhaust fan 10. The communication antenna 6, the dust collector 21, etc. provide power, and the communication antenna 6 transmits the temperature and humidity conditions in the cabinet 20 and the current and voltage working conditions to the remote control center to realize online monitoring of the power distribution cabinet of the present invention.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the invention, and any reference sign in a claim shall not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (4)

1. a solar energy power distribution cabinet for effective dedusting heat radiation, including top cover (14), cabinet (20) and base (22), described top cover (14) being low wide and up narrow Pagoda-shaped structure, top cover (14) is provided with lightning-arrest sheet (12), top cover center upper portion is provided with suspension ring (13), top cover (14) is arranged with cabinet (20), it is characterised in that: it is provided with the sun on four of described top cover (14) are domatic Energy photovoltaic panel (11), the bottom of top cover (14) is provided with exhausting window (16), and described exhausting window (16) includes exhausting window (27) in cabinet Exhausting window (26) outer with cabinet, is stopped by the side plate of cabinet (20) between exhausting window (27) and the outer exhausting window (26) of cabinet, described top cover (14) and be provided with air channel of bleeding (28) between cabinet (20), air channel of bleeding (28) arrange with outside exhausting window in cabinet (27) and cabinet respectively Transom window (26) connects, and air channel of bleeding (28) are provided with exhaust fan (10) with the connectivity part of cabinet (20)；Described top cover (14) lower section Being hung with precaution device (15), precaution device (15) includes shell (33), and shell (33) is outside is provided with transparent protective shield, in shell (33) Being provided with LED (32) and solar panel (34), LED (32) is evenly arranged with multiple around the circumferencial direction of shell (33), Solar panel (34) is arranged on the dividing plate (31) in shell (33), powers for LED (32), in described shell (33) also Being provided with photosensitive probe (30), photosensitive probe (30) is connected with LED (32)；Described cabinet (20) is by hinge with cabinet door (5) even Connecing, cabinet door (5) is provided with multiple air vent (7)；The side panel of described cabinet (20) is provided with communication antenna (6), cabinet (20) Inside being provided with photovoltaic and control assembly (9), described photovoltaic controls assembly (9) and includes accumulator (25), controller for solar (35), hands over Stream catalyst (36) and temperature and humidity controller (37), described accumulator (25) electrically connects with solar energy photovoltaic panel (11), solar energy Photovoltaic panel (11) is connected with controller for solar (35), and controller for solar (35) is by A.C. contactor (5) and humiture control Device processed (37) connects, and temperature and humidity controller (37) is connected with temperature sensor (2) and humidity sensor (1) respectively, described exchange Catalyst (5) is connected with the semiconductor chilling plate (23) being arranged on cabinet (20) sidepiece, and semiconductor chilling plate (23) is fixed on cabinet One end of body (20) is provided with fin (24)；The bottom of described cabinet (20) arranges base (22), base (22) and cabinet (20) connection, and in base (22), it is provided with dust arrester (21).

The solar energy power distribution cabinet of effective dedusting the most according to claim 1 heat radiation, it is characterised in that described top cover (14) Shell (33) two ends of four domatic edges and precaution device (15) are provided with reflecting strips (29).

The solar energy power distribution cabinet of effective dedusting the most according to claim 1 heat radiation, it is characterised in that on described cabinet door (5) Being provided with Current Display (8), voltage display (17) and caution slogan (18), caution slogan (18) is positioned at reflective areas (19), Handle (3) and door lock (4) it is additionally provided with on cabinet door (5).

The solar energy power distribution cabinet of effective dedusting the most according to claim 1 heat radiation, it is characterised in that described accumulator (25) Power for dust arrester (21), communication antenna (6) and exhaust fan (10).