CN212861009U

CN212861009U - Auxiliary vehicle-mounted air conditioning system based on semiconductor refrigeration driven by photovoltaic power generation

Info

Publication number: CN212861009U
Application number: CN202021599298.XU
Authority: CN
Inventors: 肖睿; 陈国杰; 万乐陶; 宫婧惠; 曾倩
Original assignee: Nanhua University
Current assignee: Nanhua University; University of South China
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-02
Anticipated expiration: 2030-08-04

Abstract

The utility model relates to a supplementary on-vehicle air conditioning system based on photovoltaic power generation drive semiconductor is cryogenic, attached in the refrigeration water tank of semiconductor refrigeration piece cold junction, and attached in heating water tank department in hot junction, controller circuit and refrigeration drive circuit are arranged in to the semiconductor refrigerator cold junction. The cold end of the semiconductor refrigerator exchanges heat with the refrigeration water tank to reduce the water temperature after refrigeration, the refrigeration water tank is provided with a heat preservation pipeline, the heat preservation pipeline is connected with a water discharge radiator, and the water discharge radiator is positioned above an air outlet of the air conditioner. The utility model discloses simple structure, work efficiency height, automatic control level height, energy-conservation nature are strong, can assist vehicle air conditioning system. The system is operated during parking, so that the temperature in the vehicle is reduced, and the damage of high parking temperature to people and objects in the vehicle is avoided; the original vehicle-mounted air conditioner can be assisted, and the pressure of the original vehicle-mounted air conditioner is reduced.

Description

Auxiliary vehicle-mounted air conditioning system based on semiconductor refrigeration driven by photovoltaic power generation

Technical Field

The utility model belongs to the technical field of on-vehicle air conditioner, especially, relate to a supplementary on-vehicle air conditioning system based on photovoltaic power generation drive semiconductor is refrigerated.

Background

Outdoor parking in summer easily causes the high temperature phenomenon in the car, causes personnel and objects in the car to be damaged by high temperature and causes the problem of high energy consumption of air-conditioning when the car is restarted, the death case of infants parked outdoors in summer is often seen in news, and people feel full of the high temperature in the car after outdoor parking. In addition, the problem of high energy consumption during the operation of the automobile air conditioner in summer is also very prominent.

At present, the method for quickly cooling when using the automobile after parking mainly comprises the steps of repeatedly opening the automobile door, opening an air conditioner external circulation after heat dissipation, waiting until the temperature is reduced, then adjusting the temperature into an internal circulation, using a sunshade when parking, and designing an air conditioner seat through semiconductor refrigeration to improve the local temperature of a driving area in the driving process. At present, the cooling of high-temperature parking is realized without a particularly effective system or an automatic control mode, and the problems that the cooling is insufficient and the comfort level cannot meet the requirement when people use the vehicle again exist in the existing mode.

The temperature in the vehicle is too high due to abundant sunshine in summer, and the vehicle is a high-quality energy source; the automobile adopts a photovoltaic power generation driving semiconductor refrigeration technology, which is a clean and efficient refrigeration mode, and the semiconductor refrigeration can adjust the temperature in the automobile and also can ensure that the air conditioner can achieve the effects of clean air in the automobile, environmental protection, no noise and good comfort level when in operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the air-conditioning energy consumption is high when parking in summer to and the harm problem to personnel in the car, car inner part and article in the car under the high temperature condition, plan based on photovoltaic power generation drive semiconductor refrigeration technique, design an on-vehicle auxiliary air conditioning system, be used for reducing temperature in the car when parking, reduce the car energy consumption.

In order to realize the purpose, the method is realized by the following technical scheme: the vehicle-mounted auxiliary air conditioning system based on photovoltaic power generation driving semiconductor refrigeration comprises a solar photovoltaic power generation board, wherein a photovoltaic power generation controller, a semiconductor refrigerator, a refrigeration water tank, a storage battery, a heat dissipation water tank, a circulating water pump, a water discharging radiator, an air outlet and a water supplementing tank are arranged in a vehicle.

Furthermore, the photovoltaic power generation panel generates power constantly by photovoltaic power, and if the auxiliary vehicle-mounted air conditioning system is in an open state, the photovoltaic power generation drives the refrigeration system; if the auxiliary refrigeration system is in a closed state, the photovoltaic power generation current charges the storage battery.

Furthermore, the storage battery is directly driven when the photovoltaic power generation current is enough to drive the auxiliary vehicle-mounted air conditioning system; when the photovoltaic power generation current is not enough to drive the auxiliary vehicle-mounted air conditioning system, the storage battery is used for driving the auxiliary vehicle-mounted air conditioning system.

Further, the auxiliary vehicle-mounted air conditioning system is started and stopped by judging whether the temperature in the vehicle exceeds 30 ℃ or not when the vehicle is parked through a photovoltaic power generation controller which takes a single chip microcomputer as a control core, after a refrigeration program is started, the deviation between the current temperature and the set temperature and a deviation change rate signal are judged, a PWM pulse width signal of a refrigeration driving circuit is regulated through PID control, the semiconductor refrigeration piece is controlled, and when the temperature is not higher than the preset temperature, the refrigeration is finished and the operation is returned.

Further, the semiconductor refrigerator includes the semiconductor refrigeration piece of being connected with refrigeration water tank and heat dissipation water tank, the semiconductor refrigeration piece cold junction is arranged in on the refrigeration drive circuit, the heat transfer is strengthened with the built-in fin of heat dissipation water tank to the refrigeration water tank, and both ends all are connected with water piping connection head, and the other end has and is provided with heat dissipation water tank seal closure, set up the stereoplasm baffle between the water tank, avoid the cold and hot exchange of preparing.

Furthermore, the semiconductor refrigerator also comprises a positioning plate fixedly connected with the refrigerating water tank, the semiconductor refrigerating sheet and the heat radiation water tank, and the positioning plate is U-shaped and L-shaped.

The utility model has the advantages that:

1. the utility model discloses make full use of solar energy clean energy drives refrigeration and system operation, comparatively economic environmental protection. The solar energy belongs to low-grade energy, can obtain electric energy freely, avoids the influence of solar radiation on the temperature in the automobile continuously when the automobile is parked, can refrigerate quickly, and obviously improves the energy-saving effect.

2. The utility model can assist the vehicle-mounted air conditioning system, reduce the pressure of the original vehicle-mounted air conditioner, run the system when parking, be beneficial to reducing the temperature in the vehicle, and avoid the damage of the high temperature of parking to the personnel and the articles in the vehicle;

3. the utility model discloses this cold load by traditional air conditioner burden that utilizes the semiconductor refrigeration to detach, the too high burning hot sensation that arouses when having not only avoided parking in summer also avoids the whitish waste of the effective energy, can also effectively improve vehicle air conditioning system's operating efficiency, and supplementary original vehicle-mounted system uses the operation energy consumption that reduces air conditioning system together.

4. The utility model discloses give the cooling water tank normal water cooling with semiconductor refrigeration, recycle circulating water pump send to the air outlet, and the method that the log raft radiator passes through forced convection improves the heat transfer effect.

5. The utility model discloses simple intelligence, device occupation space is little. This set of system has designed the automatic control circuit based on the temperature, can be according to the working method of the temperature condition automatic regulating system in the carriage, and is more intelligent, high-efficient, and stability is high, and the practicality is strong. The storage battery has long service life and stable operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial schematic view of the semiconductor cooler of fig. 1.

Fig. 3 is a block diagram of the present invention.

Fig. 4 is a schematic diagram of the working system of the present invention.

In the figure: 1. a photovoltaic power generation panel; 2. a photovoltaic power generation controller; 3. a storage battery; 4. a semiconductor refrigeration sheet; 5. a refrigeration water tank; 6. a water circulating pump; 7. a water discharge radiator; 8. an air outlet; 9. a heat radiation water tank; 10. A make-up water tank; 11. positioning a plate; 12. a refrigeration drive circuit; 13. a hard spacer; 14. a water delivery pipeline; 51. a first heat sink; 52. a first water pipe connector; 53. a sealing cover of the refrigeration water tank; 91. a second heat sink; 92. a second water pipe connector; 93. a sealing cover of the heat radiation water tank;

Detailed Description

The technical solution of the auxiliary vehicle-mounted air conditioning system based on photovoltaic driving semiconductor refrigeration of the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1-4, the structure of the present invention is: an auxiliary vehicle-mounted air conditioning system based on semiconductor refrigeration driven by photovoltaic power generation, a refrigeration part comprises a photovoltaic power generation plate 1, a photovoltaic power generation controller 2, a storage battery 3, a semiconductor refrigeration sheet 4, a refrigeration water tank 5, a heat dissipation water tank 9, a circulating water pump 6, a water discharge radiator 7 and an air outlet 8, the photovoltaic power generation plate 1 is connected with the storage battery 3 and the photovoltaic power generation controller 2, a refrigeration driving circuit 12 is arranged in the photovoltaic power generation controller 2, the refrigeration driving circuit 12 is connected with the cold end of the semiconductor refrigeration sheet 4, the cold end of the semiconductor refrigeration sheet 4 covers between the refrigeration water tank 5 and the heat dissipation water tank 9, one end of the refrigeration water tank 5 and one end of the heating water tank 6 are respectively provided with a first water pipe connector 52, the first water pipe connectors 52 are connected with a water conveying pipeline 14, the prepared refrigerant water flows through the water discharge radiator 7 connected with the air outlet 8, the air outlet 8 sends out cold air.

As a preferred technical scheme of this design, the cooling system includes the heat dissipation water tank 9 fixed with 4 hot junctions of semiconductor refrigeration piece, the heat dissipation water tank is the cuboid structure, inside is provided with second fin 91, still be provided with refrigeration water tank sealing cover 53 and fixed heat dissipation water tank 9 and semiconductor refrigeration piece 4 the locating plate 11 and the stereoplasm baffle 13 of isolated heat and cold volume, heat dissipation water tank sealing cover 93 links to each other with second water pipe connector 92, water pipe connector 92 is connected with conduit 14, exit linkage make-up water tank 10 and log raft radiator 7, radiator log raft 7 is connected to the first water pipe connector 52 of refrigeration water tank 5, make the water after the heat dissipation continue to refrigerate at refrigeration water tank 5.

The refrigeration driving circuit 12 takes a single chip microcomputer as a control core, can start refrigeration when the parking is over-temperature, can also judge the illumination intensity of light received by the photovoltaic power generation panel 1, and charges the storage battery 3, and when the power generation current of the photovoltaic power generation panel 1 is insufficient to drive the auxiliary vehicle-mounted air conditioning system, the storage battery 3 is used for supplying power and driving.

When the solar water heater is used specifically, the photovoltaic power generation panel 1 generates electricity continuously to serve as a driving energy source, when the single chip microcomputer judges that the temperature in the carriage is over high, the semiconductor refrigerating sheet 4 is driven to refrigerate by the refrigerating driving circuit 12, cold energy generated by the cold end of the semiconductor refrigerating sheet exchanges heat with the refrigerating water tank 5 internally provided with the first radiating fin 51 to prepare refrigerant water, the refrigerant water enters the circulating water pump 6 through the water conveying pipeline 14 connected with the first water pipe connector 52, the refrigerant water flows through the water discharging radiator 7 connected with the air outlet 8 under the action of the circulating water pump 6, and finally the air outlet 8 blows cold air. Meanwhile, the cooling water after heat exchange returns to the heat dissipation water tank 9 attached to the hot end of the semiconductor refrigeration sheet 4, enters the circulating water pump 6 through the water conveying pipeline 14 connected with the second water pipe connector 92, flows through the water discharging radiator 7 to dissipate heat under the action of the circulating water pump 6, enters the refrigeration water tank 5 again after temperature reduction to prepare for next refrigeration, and the supplementary water tank 10 is connected with the circulating water pump 6 and one end of the water discharging radiator 7 to assist the circulation of the refrigeration system. When the photovoltaic power generation current is not enough to drive the auxiliary refrigerating system, the storage battery 3 is used for driving the auxiliary vehicle-mounted air conditioning system at the same time.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides an on-vehicle air conditioning system of supplementary based on photovoltaic power generation drive semiconductor refrigeration which characterized in that: the solar water heater comprises a photovoltaic power generation panel (1), a photovoltaic power generation controller (2), a storage battery (3), a semiconductor refrigerating sheet (4), a refrigerating water tank (5), a heat dissipation water tank (9), a circulating water pump (6), a water discharging radiator (7) and an air outlet (8), wherein the photovoltaic power generation panel (1) is electrically connected with the storage battery (3) and the photovoltaic power generation controller (2), a refrigerating driving circuit (12) is arranged in the photovoltaic power generation controller (2), the refrigerating driving circuit (12) is connected with the cold end of the semiconductor refrigerating sheet (4), the cold end of the semiconductor refrigerating sheet (4) covers between the refrigerating water tank (5) and the heat dissipation water tank (9), a water pipe connector (52) is arranged at one end of each of the refrigerating water tank (5) and the heat dissipation water tank (9), the water pipe connector (52) is connected with a water pipeline (14), the circulating water pump (6) and the water discharging radiator (7) connected with the air outlet, the air outlet (8) sends cold air, and cold water flowing through the water discharge radiator (7) flows into the heat radiation water tank (9) after being heated.

2. The auxiliary vehicle-mounted air conditioning system based on semiconductor refrigeration driven by photovoltaic power generation as claimed in claim 1, is characterized in that: the heat dissipation system comprises a heat dissipation water tank (9) fixed to the hot end of the semiconductor refrigeration piece (4), the heat dissipation water tank (9) is of a cuboid structure, a second cooling fin (91) is arranged inside the heat dissipation water tank (9), a cooling water tank sealing cover (53), a positioning plate (11) for fixing the heat dissipation water tank (9) and the semiconductor refrigeration piece (4) and a hard partition plate (13) for isolating heat and cold are further arranged, the cooling water tank sealing cover (93) is connected with a second water pipe connector (92), the second water pipe connector (92) is connected with a water pipeline (14), an outlet is connected with a supplementary water tank (10) and a water discharging radiator (7), the water discharging radiator (7) is connected to a first water pipe connector (52) of the cooling water tank (5), and water after heat dissipation continues to refrigerate in the cooling water tank (5).

3. The auxiliary vehicle-mounted air conditioning system based on semiconductor refrigeration driven by photovoltaic power generation as claimed in claim 1, is characterized in that: the refrigeration driving circuit (12) takes the single chip microcomputer as a control core, can start refrigeration when the parking overtemperature, can also judge the illumination intensity of light received on the photovoltaic power generation panel (1) and charge the storage battery (3), and starts the storage battery (3) to supply power when the current of the photovoltaic power generation panel (1) is insufficient.