CN205402998U - Utilize outdoor sentry box of photovoltaic driven with evaporation cooling air curtain cooling system - Google Patents

Abstract

The utility model discloses an utilize outdoor sentry box of photovoltaic driven with evaporation cooling air curtain cooling system, including attached solar photovoltaic board group in outdoor sentry box top surface, set up in outdoor sentry box top and towards the outdoor sentry box in the air curtain of conveying air curtain form the unit and set up the evaporation cooling - electric control integration platform in outdoor sentry box, evaporation cooling - electric control integration platform is organized with the solar photovoltaic board respectively, the air curtain forms the unit connection, and the top of solar photovoltaic board group is provided with foldable rainshelter. The utility model discloses a realized the cooling to outdoor sentry box providing comfortable operational environment for outdoor sentry box personnel on duty in the summer of sweltering heat in effective using natural resources with evaporation cooling air curtain cooling system in outdoor sentry box.

Description

Evaporative cooling air curtain cooling system for outdoor sentry boxes driven by photovoltaics

technical field

The utility model belongs to the technical field of air conditioning equipment, in particular to an evaporative cooling air curtain cooling system for an outdoor sentry box driven by photovoltaics.

Background technique

In recent years, high temperature weather has occurred frequently in summer in my country and lasts for a long time. According to further statistics, the average temperature in most parts of the country in summer has reached 35°C, while the highest temperature in some areas has even reached above 40°C. An empirical data shows that when the temperature is higher than 32.2°C, people's productivity will decrease by 4.8% for every 1°C increase in temperature.

First of all, for each of us, extreme high temperature weather brings threats to people's health and even life safety. At present, there is no effective solution to the outdoor cooling problem; secondly, As far as social production is concerned, extreme high-temperature weather causes serious economic losses; again, frequent high-temperature weather in summer makes the working environment of outdoor workers extremely harsh, and the cooling problem of outdoor workers and consumers needs to be solved urgently; Furthermore, air conditioners in the existing sense are mostly based on mechanical refrigeration, and outdoor places are all open environments. Therefore, existing air conditioners are not suitable for solving the cooling problem of outdoor environments.

In order to improve the above four deficiencies, indirect evaporative cooling technology, air curtain technology and solar photovoltaic power generation technology are combined to form an air curtain air conditioner suitable for outdoors, and this air curtain air conditioner is integrated with outdoor building structures (such as outdoor sentry boxes) As a whole, this can well solve the problem of outdoor cooling in summer. Among them, the electricity consumption of the air curtain air conditioner can be self-sufficient through the solar photovoltaic power generation system, making full use of solar energy; in the operation process of the air curtain air conditioner, the natural resources—dry air energy and solar energy are effectively used to realize energy saving, environmental protection, investment and The goal of low operating costs; in addition, the use of indirect evaporative cooling technology to achieve cooling while also making full use of the secondary exhaust air of indirect evaporative cooling as a cold air curtain, avoiding energy waste.

Utility model content

The purpose of this utility model is to provide an evaporative cooling air curtain cooling system for outdoor sentry boxes driven by photovoltaics, which realizes the cooling of the outdoor environment while effectively utilizing natural resources, and can be on duty in the outdoor sentry boxes in hot summer Personnel create tunable microenvironments.

The technical scheme adopted by the utility model is that the evaporative cooling air curtain cooling system for the outdoor sentry box driven by photovoltaics includes a solar photovoltaic panel group arranged on the outer surface of the outdoor sentry box top, and is arranged on the top of the outdoor sentry box and faces the inside of the outdoor sentry box. The air curtain forming unit that transports the air curtain and the evaporative cooling-power control integrated platform installed in the outdoor sentry box; the evaporative cooling-electric control integrated platform is respectively connected with the solar photovoltaic panel group and the air curtain forming unit; the solar photovoltaic panel group There is a foldable canopy on the top.

The utility model is also characterized in that:

The evaporative cooling-power control integrated platform includes a platform body. The side wall of the platform body is oppositely provided with a primary air inlet and a primary air exhaust port. The side wall of the platform body is also provided with a secondary air inlet and external water supply. There is a horizontal tube indirect evaporative cooling air conditioning unit near the primary air inlet in the platform body, and the horizontal tube indirect evaporative cooling air conditioning unit is respectively connected with the primary air inlet, external water supply port and air curtain forming unit; the platform body is close to the primary air conditioning unit. There is an exhaust fan at the air exhaust outlet, and a primary air return outlet is arranged on the top wall of the corresponding unit casing above the exhaust fan; a solar photovoltaic power generation control unit is also installed in the platform body; the solar photovoltaic power generation control unit is respectively connected to the horizontal tube type The indirect evaporative cooling air-conditioning unit is connected to the air curtain forming unit; the solar photovoltaic power generation control unit is connected to the solar photovoltaic panel group through the transmission line to form a solar photovoltaic power generation system, and the power transmission line is located in the line storage channel set in the outdoor sentry box.

Solar photovoltaic power generation control unit, including solar photovoltaic power generation charge and discharge controller, solar photovoltaic power generation charge and discharge controller is connected with battery pack to form a closed loop, solar photovoltaic power generation charge and discharge controller is also connected with inverter; solar photovoltaic power generation charge and discharge controller is connected with inverter; The discharge controller is respectively connected with the horizontal tube type indirect evaporative cooling air conditioning unit, the air curtain forming unit and the solar photovoltaic panel group.

The horizontal tube indirect evaporative cooling air conditioning unit includes an organic unit shell, and the unit air inlet and the unit air supply port are respectively arranged on the opposite side walls of the unit shell; the unit air inlet is connected to the primary air inlet through a connecting duct; the unit shell Air filter, horizontal tube evaporative cooler and primary air blower are installed in the body according to the flow direction after air enters; The air duct is connected to the air curtain forming unit; the horizontal tube evaporative cooler and the primary air blower are connected to the solar photovoltaic charging and discharging controller.

The air filter adopts a coarse-effect filter; the primary air supply fan adopts a centrifugal fan.

The horizontal tube evaporative cooler includes a horizontal tube heat exchanger, and above the horizontal tube heat exchanger, a water distributor and an axial flow fan are arranged in turn, and the axial flow fan is connected to the solar photovoltaic power generation charge and discharge controller; the horizontal tube heat exchange There is a circulating water tank under the unit, and a secondary air flow channel is formed between the horizontal tube heat exchanger and the circulating water tank. The side wall of the unit shell corresponding to the secondary air flow channel is provided with a secondary air inlet, and the secondary air inlet is connected to the platform body. The secondary air inlet on the top is connected; the circulating water tank is connected to the water distributor through the water supply pipe, and the circulating water pump is installed on the water supply pipe, and the circulating water pump is connected to the solar photovoltaic power generation charge and discharge controller; The water supply port of the water tank is connected with the external water supply port on the platform body through the water supply pipe.

The water distributor is composed of a water distribution pipe and a plurality of nozzles evenly arranged on the water distribution pipe and facing the horizontal tube heat exchanger for spraying; the horizontal tube heat exchanger is composed of a plurality of horizontally arranged heat exchange tubes.

A uniform flow device is arranged in the secondary air inlet.

The solar photovoltaic panel group is composed of top photovoltaic panels laid on the outer surface of the top of the outdoor sentry box and side photovoltaic panels arranged around the top edge of the outdoor sentry box through connections.

The air curtain forming unit includes a secondary air curtain air supply layer and a primary air supply layer that are set up and down taperingly; the secondary air curtain air supply layer is set close to the top of the outdoor sentry box, and the secondary air curtain air supply layer and The secondary air duct is connected, and a secondary air curtain axial flow fan is installed in the air supply layer of the secondary air curtain near the mouth of the secondary air duct. The secondary air curtain axial flow fan is connected with the secondary air curtain axial flow fan motor in sequence It is connected with the solar photovoltaic power generation charge and discharge controller, and the edge of the secondary air supply layer is evenly equipped with multiple secondary air curtain jet ports; the primary air supply layer is connected with the primary air duct, and the edge of the primary air supply layer is uniformly arranged There are multiple cold air supply outlets.

The beneficial effects of the utility model are:

1) The evaporative cooling air curtain cooling system for outdoor sentry boxes of this utility model reasonably combines indirect evaporative cooling technology with air curtain forming technology, and uses air curtains to separate the air-conditioning area of outdoor sentry boxes from the outside world, providing a warm environment for the staff on duty in the outdoor sentry booths. An adjustable microenvironment is created.

2) The evaporative cooling air curtain cooling system for outdoor sentry boxes of the present utility model effectively utilizes the secondary exhaust air in the process of indirect evaporative cooling as a cold air curtain; since the temperature of the secondary exhaust air after indirect evaporative cooling is lower than the ambient temperature, such It not only creates the micro-environment in the outdoor sentry box, but also improves the cooling efficiency of the micro-environment inside the cold air curtain.

3) The evaporative cooling air curtain cooling system for outdoor sentry boxes of the utility model adopts evaporative cooling technology, does not use mechanical refrigeration in the whole cooling process, avoids the pollution of CFCs to the atmosphere, and is environmentally friendly and energy-saving.

4) In the evaporative cooling air curtain cooling system for outdoor sentry boxes of the present utility model, the electric energy required by the internal power consumption components is provided by the solar photovoltaic power generation system, and the excess power can also be supplied to the 360° camera and traffic lights installed on the outdoor sentry booths, etc. Auxiliary facilities of sentry box.

5) The evaporative cooling air curtain cooling system for the outdoor sentry box of the utility model makes full use of natural resources—dry air energy and solar energy, so that the personnel working in the outdoor sentry box can avoid the suffering of sun exposure and hot temperature in summer.

6) The evaporative cooling air curtain cooling system for the outdoor sentry box of the present utility model adopts fresh air, which greatly improves the air quality of the microenvironment inside the outdoor sentry box.

Description of drawings

Fig. 1 is the structural representation of the evaporative cooling air curtain cooling system for the outdoor sentry box of the present invention;

Fig. 2 is a schematic diagram of the external structure of the evaporative cooling-power control integrated platform in the evaporative cooling air curtain cooling system for the outdoor sentry box of the present invention;

Fig. 3 is a top view of the indirect evaporative cooling air handling unit in the evaporative cooling air curtain cooling system for the outdoor sentry box of the present invention;

Fig. 4 is a side view of the air curtain forming unit in the evaporative cooling air curtain cooling system for the outdoor sentry box of the present invention;

Fig. 5 is a bottom view of the air curtain forming unit in the evaporative cooling air curtain cooling system for the outdoor sentry box of the present invention.

In the figure 1. side photovoltaic panel, 2. top photovoltaic panel, 3. secondary air curtain axial flow fan, 4. secondary air curtain air supply layer, 5. primary air supply layer, 6. secondary air duct, 7. Primary air duct, 8. Axial flow fan, 9. Primary air inlet, 10. Air filter, 11. Water supply pipe, 12. Circulating water pump, 13. Circulating water tank, 14. Horizontal tube heat exchanger, 15. Primary Air blower, 16. Primary air return outlet, 17. Primary air exhaust outlet, 18. Water distributor, 19. Solar photovoltaic power generation charge and discharge controller, 20. Battery pack, 21. Inverter, 22. Exhaust fan, 23. Water supply port of circulating water tank, 24. Secondary air curtain axial flow fan motor, 25. Water supply pipe, 26. Secondary air curtain jet port, 27. Cold air supply port, 28. Line storage channel, 29. External water supply port, 30. Unit air inlet, 31. Platform body, 32. Unit air supply outlet, 33. Outdoor sentry box top, 34. Secondary air inlet, 35. Flow equalizing device, 36. Even ventilation pipe.

detailed description

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

The utility model utilizes the evaporative cooling air curtain cooling system for outdoor sentry boxes driven by photovoltaics. The air curtain forming unit that transports the air curtain in the outdoor sentry box and the evaporative cooling-power control integrated platform installed in the outdoor sentry box; the evaporative cooling-electric control integrated platform is respectively connected with the solar photovoltaic panel group and the air curtain forming unit; the solar photovoltaic There is a foldable canopy above the panel group. In heavy rainy days, the foldable canopy can be fully opened to cover the solar photovoltaic panel group, so that the solar photovoltaic panel group can be protected from heavy rain. When there is sunshine, the foldable canopy can be The canopy is folded to allow the solar photovoltaic panel group to fully absorb sunlight.

The evaporative cooling-power control integrated platform, as shown in Figure 1 and Figure 2, includes a platform body 31, the side wall of the platform body 31 is oppositely provided with a primary air inlet 9, a primary air exhaust port 17, and the platform body 31 The side wall of the platform is also provided with a secondary air inlet 34 and an external water supply port 29; the platform body 31 is provided with a horizontal tube type indirect evaporative cooling air conditioning unit near the primary air inlet 9, which is connected to the primary air conditioning unit respectively. The air inlet 9, the external water supply port 29 and the air curtain forming unit are connected; the exhaust fan 22 is arranged in the platform body 31 close to the primary air exhaust outlet 17, and the primary air return is arranged on the corresponding top wall of the unit casing above the exhaust fan 22. The tuyere 16; the platform body 31 is also provided with a solar photovoltaic power generation control unit, which is respectively connected to the horizontal tube type indirect evaporative cooling air conditioning unit and the air curtain forming unit, and the solar photovoltaic power generation control unit is connected to the solar photovoltaic panel through the transmission line Groups are connected to form a solar photovoltaic power generation system, and the transmission line is located in the line storage channel 28 set in the outdoor sentry box to prevent the transmission line from being exposed and causing insecurity.

Both the primary air inlet 9 and the primary air outlet 17 are provided with air volume control valves; as shown in FIG. 2 , a flow equalizer 35 is provided in the secondary air inlet 34 .

The solar photovoltaic power generation control unit, as shown in Figure 3, includes a solar photovoltaic power generation charge and discharge controller 19, the solar photovoltaic power generation charge and discharge controller 19 is connected with the battery pack 20 and forms a closed loop, and the solar photovoltaic power generation charge and discharge controller 19 also It is connected with the inverter 21; as shown in Figure 1, the solar photovoltaic power generation charge and discharge controller 19 is respectively connected with the horizontal tube type indirect evaporative cooling air conditioning unit, the air curtain forming unit and the solar photovoltaic panel group.

The horizontal tube type indirect evaporative cooling air conditioner unit has a structure as shown in Figure 1 and Figure 3, including an organic unit casing, and the opposite side walls of the unit casing are respectively provided with a unit air inlet 30 and a unit air supply outlet 32, and the unit inlet The tuyere 30 is connected to the primary air inlet 9 through the ventilation pipe 36; the air filter 10, the horizontal tube type evaporative cooler and the primary air blower 15 are arranged in sequence in the casing of the unit according to the air flow direction after entering, and the horizontal tube type evaporative cooler. The upper part is connected with the air curtain forming unit through the secondary air pipe 6, the primary air blower 15 is connected with the air curtain forming unit through the primary air pipe 7, and the horizontal tube evaporative cooler and the primary air blower 15 are connected with the solar photovoltaic charging and discharging controller 19 connections.

The air filter 10 adopts a coarse filter; the primary air blower 15 adopts a centrifugal fan.

The horizontal tube evaporative cooler, as shown in Figure 1, includes a horizontal tube heat exchanger 14, and the top of the horizontal tube heat exchanger 14 is sequentially provided with a water distributor 18 and an axial flow fan 8, and the axial flow fan 8 and the solar photovoltaic The power generation charge and discharge controller 19 is connected; the circulating water tank 13 is arranged under the horizontal tube heat exchanger 14, and the secondary air flow channel is formed between the horizontal tube heat exchanger 14 and the circulating water tank 13, and the secondary air flow channel corresponds to the unit shell side The wall is provided with a secondary air inlet, which communicates with the secondary air inlet 34 on the platform body 31; the circulating water tank 13 is connected to the water distributor 18 through the water supply pipe 11, and the water supply pipe 11 is provided with a circulating water pump 12, The circulating water pump 12 is connected to the solar photovoltaic power generation charge and discharge controller 19; the circulating water tank 13 is provided with a circulating water tank replenishment port 23, and the circulating water tank replenishment port 23 is connected to the external water replenishment port 29 on the platform body 31 through the replenishment pipe 25.

The water distributor 18 is composed of a water distribution pipe and a plurality of nozzles uniformly arranged on the water distribution pipe and facing the horizontal tube heat exchanger 14 for spraying. The horizontal tube heat exchanger 14 is composed of a plurality of horizontally arranged heat exchange tubes.

As shown in Fig. 1 and Fig. 4, the solar photovoltaic panel group is formed by connecting the top photovoltaic cell panel 2 laid on the outer surface of the outdoor sentry box top 33 and the side photovoltaic cell panel 1 arranged around the edge of the outdoor sentry box top 33.

The air curtain forming unit, as shown in Figure 1, Figure 4 and Figure 5, includes a tapered secondary air curtain air supply layer 4 and a primary air supply layer 5 arranged up and down, and the secondary air curtain air supply layer 4 Set up close to the top 33 of the outdoor sentry box, the secondary air curtain air supply layer 4 is connected to the secondary air pipe 6, and a secondary air curtain is installed in the secondary air curtain air supply layer 4 near the mouth of the secondary air pipe 6 The axial flow fan 3 and the secondary air curtain axial flow fan 3 are sequentially connected with the secondary air curtain axial flow fan motor 24 and the solar photovoltaic power generation charge and discharge controller 19, and the edge of the secondary air curtain air supply layer 4 is evenly arranged with multiple The secondary air curtain jet port 26; the primary air supply layer 5 is connected to the primary air duct 7, and a plurality of cold air supply ports 27 are uniformly arranged on the edge of the primary air supply layer 5.

The utility model uses the evaporative cooling air curtain cooling system for outdoor sentry boxes driven by photovoltaics, and its working process is as follows:

(1) Combining the horizontal tube type indirect evaporative cooling air conditioning unit with the air curtain forming unit to complete the cooling of the outdoor sentry box, the specific method is as follows:

The outdoor air enters the evaporative cooling-power control integrated platform through the primary air inlet 9, is conveyed by the connecting ventilation pipe 36, and enters the horizontal tube indirect evaporative cooling air conditioning unit through the air inlet 30 of the unit;

Firstly, it is filtered by the primary air filter 10 (that is, the coarse-effect filter) to form clean air; after that, the clean air flows into the horizontal tube evaporative cooler, and is connected with the water distribution at the horizontal tube heat exchanger 14 The water sprayed by the device 18 performs heat and moisture exchange to form cold wind; the cold wind flows into the primary air pipe 7 under the action of the primary air blower 15 and is sent into the primary air supply layer 5 by the primary air pipe 7, and the primary air supply layer 5 The cold air supply port 27 provided on the top sends the cold wind into the sentry box microenvironment formed by the cold air curtain, and cools down the staff in the sentry box; The air return port 16 and the primary air exhaust port 17 are discharged.

The specific formation method of the sentry box microenvironment formed by the cold air curtain is as follows:

The secondary air enters the horizontal tube type indirect evaporative cooling air conditioning unit through the secondary air inlet 34 and the secondary air inlet in turn, flows through the horizontal tube heat exchanger 14 to form a secondary exhaust air, and the secondary exhaust air passes through the axial flow fan 8 Under the action of the secondary air curtain, it is sent into the secondary air duct 6. With the operation of the secondary air curtain axial flow fan 3, the secondary exhaust air is sent into the secondary air curtain air supply layer 4, and finally the secondary air curtain The jet port 26 ejects to form a cold air curtain, that is, to form the microenvironment of the outdoor sentry box.

(2) The working process of the solar photovoltaic power generation system is as follows:

The solar photovoltaic power generation system is equipped with a solar photovoltaic panel group. In order to fully absorb and utilize solar energy, the solar photovoltaic panel group is formed by connecting the side photovoltaic panel 1 and the top photovoltaic panel 2; the side photovoltaic panel 1 and the top photovoltaic panel The battery panel 2 can absorb solar energy from different angles, and the electric energy generated by it is first processed by the solar photovoltaic charging and discharging controller 19, and then the electric energy is stored in the storage battery pack 20 (composed of multiple storage batteries connected in series), and the electric energy in the storage battery pack 20 After conversion by the inverter 21, the solar photovoltaic power generation charge and discharge controller 19 distributes and supplies power consumption components (axial flow fan 8, circulating water pump 12 and primary air blower 15) and two The secondary air curtain axial fan 3 provides them with the required electricity for work.

The utility model utilizes the evaporative cooling air curtain cooling system for outdoor sentry boxes driven by photovoltaics, which is mainly used in summer, and can effectively cool down outdoor sentry boxes (such as traffic sentry boxes and on-duty sentry boxes) to ensure a comfortable environment for on-duty personnel in the outdoor sentry boxes. . The utility model utilizes the evaporative cooling air curtain cooling system for outdoor sentry boxes driven by photovoltaics. The components such as the solar photovoltaic power generation control unit also effectively utilize the space in the top 33 of the outdoor sentry box to set up mutually independent secondary air curtain air supply layer 4 and primary air supply layer 5; The secondary exhaust air of the tubular indirect evaporative cooling air-conditioning unit is used as an air curtain barrier to isolate the micro-environment inside the outdoor sentry box from the outside; Absorb solar energy for power generation, and the generated electric energy can be supplied to power-consuming components after being processed by the solar photovoltaic power generation control unit, and can also supply power for auxiliary facilities such as 360° cameras and traffic lights installed in the outdoor sentry box.

Claims (10)

1. The evaporative cooling air curtain cooling system for outdoor sentry boxes driven by photovoltaics is characterized in that it includes a solar photovoltaic panel group arranged on the outer surface of the outdoor sentry box top (33), is arranged on the outdoor sentry box top (33) and faces the outdoors The air curtain forming unit that transports the air curtain in the sentry box and the evaporative cooling-power control integrated platform installed in the outdoor sentry box; the evaporative cooling-electrically controlled integrated platform is connected with the solar photovoltaic panel group and the air curtain forming unit respectively; A foldable rain shelter is arranged above the solar photovoltaic panel group. 2. The evaporative cooling air curtain cooling system for outdoor sentry boxes according to claim 1, characterized in that, said evaporative cooling-power control integrated platform includes a platform body (31), and said platform body (31) A primary air inlet (9) and a primary air exhaust outlet (17) are oppositely arranged on the side wall, and a secondary air inlet (34) and an external water supply port (29) are also arranged on the side wall of the platform body (31). ); The platform body (31) is provided with a horizontal tube type indirect evaporative cooling air conditioning unit near the primary air inlet (9), and the horizontal tube type indirect evaporative cooling air conditioning unit is respectively connected to the primary air inlet (9) and the external water supply port ( 29) is connected with the air curtain forming unit; an exhaust fan (22) is arranged in the platform body (31) close to the primary air outlet (17), and the corresponding top wall of the unit housing above the exhaust fan (22) A primary air return air outlet (16) is arranged on the top; a solar photovoltaic power generation control unit is also arranged in the platform body (31); The solar photovoltaic power generation control unit is respectively connected with the horizontal tube type indirect evaporative cooling air conditioning unit and the air curtain forming unit; The solar photovoltaic power generation control unit is connected to the solar photovoltaic panel group through a power transmission line to form a solar photovoltaic power generation system, and the power transmission line is located in a line storage channel (28) set in an outdoor sentry box. 3. The evaporative cooling air curtain cooling system for outdoor sentry boxes according to claim 1 or 2, wherein the solar photovoltaic power generation control unit includes a solar photovoltaic power generation charge and discharge controller (19), and the solar photovoltaic power generation The power generation charge and discharge controller (19) is connected with the battery pack (20) to form a closed loop, and the solar photovoltaic power generation charge and discharge controller (19) is also connected with the inverter (21); The solar photovoltaic power generation charging and discharging controller (19) is respectively connected with the horizontal tube type indirect evaporative cooling air conditioning unit, the solar photovoltaic panel group and the air curtain forming unit. 4. The evaporative cooling air curtain cooling system for outdoor sentry boxes according to claim 3, wherein the horizontal tube type indirect evaporative cooling air-conditioning unit includes an organic unit casing, and the opposite side walls of the unit casing A unit air inlet (30) and a unit air supply outlet (32) are respectively arranged on the top; the unit air inlet (30) is connected to the primary air inlet (9) through a connecting duct (36); Air filter (10), horizontal tube type evaporative cooler and primary air blower (15) are sequentially arranged in the casing of the unit according to the flow direction after air enters; The top of the horizontal tube type evaporative cooler is connected with the air curtain forming unit through the secondary air duct (6), and the primary air blower (15) is connected with the air curtain forming unit through the primary air duct (7); Both the horizontal tube evaporative cooler and the primary air blower (15) are connected to a solar photovoltaic charging and discharging controller (19). 5. the outdoor sentry box according to claim 4 uses evaporative cooling air curtain cooling system, is characterized in that, described air filter (10) adopts coarse-effect filter; The primary air blower (15) adopts a centrifugal fan. 6. The evaporative cooling air curtain cooling system for outdoor sentry boxes according to claim 4, wherein the horizontal tube type evaporative cooler includes a horizontal tube heat exchanger (14), and the horizontal tube heat exchanger The top of (14) is provided with water distributor (18) and axial flow fan (8) successively, and described axial flow fan (8) is connected with solar photovoltaic power generation charging and discharging controller (19); A circulating water tank (13) is arranged below the horizontal tube heat exchanger (14), and a secondary air flow channel is formed between the horizontal tube heat exchanger (14) and the circulating water tank (13), and the secondary air flow channel A secondary air inlet is provided on the corresponding unit housing side wall, and the secondary air inlet communicates with the secondary air inlet (34) on the platform body (31); The circulating water tank (13) is connected to the water distributor (18) through the water supply pipe (11). Discharge controller (19) is connected; The circulating water tank (13) is provided with a circulating water tank water supply port (23), and the circulating water tank water supply port (23) is connected with the external water supply port (29) on the platform body (31) through a water supply pipe (25). 7. outdoor sentry box according to claim 6 uses evaporative cooling air curtain cooling system, is characterized in that, described water distributor (18) is arranged on water distribution pipe by water distribution pipe and a plurality of evenly and faces horizontal tube heat exchanger ( 14) The composition of spray nozzles; The horizontal tube heat exchanger (14) is composed of a plurality of horizontally arranged heat exchange tubes. 8. The evaporative cooling air curtain cooling system for outdoor sentry box according to claim 6, characterized in that, a flow equalizing device is arranged in the secondary air inlet (34). 9. the outdoor sentry box according to claim 3 uses the evaporative cooling air curtain cooling system, is characterized in that, described solar photovoltaic panel group is laid on the top photovoltaic panel (2) on the outdoor sentry box top (33) outer surface and The side photovoltaic battery panels (1) arranged around the edge of the outdoor sentry box top (33) are connected and formed. 10. The evaporative cooling air curtain cooling system for outdoor sentry boxes according to claim 3, characterized in that, the air curtain forming unit includes a secondary air curtain air supply layer (4) that is tapered up and down And primary air supply layer (5); The secondary air curtain air supply layer (4) is arranged close to the outdoor sentry box top (33), the secondary air curtain air supply layer (4) is connected with the secondary air duct (6), and the secondary air curtain air supply A secondary air curtain axial flow fan (3) is arranged in the air layer (4) close to the mouth of the secondary air curtain (6), and the secondary air curtain axial flow fan (3) is sequentially connected with the secondary air curtain axial flow fan (3). The fan motor (24) is connected to the solar photovoltaic power generation charge and discharge controller (19), and the edge of the secondary air curtain air supply layer (4) is evenly provided with a plurality of secondary air curtain jet ports (26); The primary air supply layer (5) is connected to the primary air duct (7), and a plurality of cold air supply ports (27) are uniformly arranged on the edge of the primary air supply layer (5).