CN211106838U - Solar thermoelectric air conditioning system for automobile parking - Google Patents
Solar thermoelectric air conditioning system for automobile parking Download PDFInfo
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- CN211106838U CN211106838U CN201921335061.8U CN201921335061U CN211106838U CN 211106838 U CN211106838 U CN 211106838U CN 201921335061 U CN201921335061 U CN 201921335061U CN 211106838 U CN211106838 U CN 211106838U
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Abstract
The utility model discloses a solar thermoelectric air conditioning system for automobile parking, which comprises a thin-film solar cell, a solar controller, a solar storage battery, a refrigerating device controller, a temperature sensor, a potentiometer, a microcomputer, an electromagnetic relay, a semiconductor refrigerating plate, a heat conductor, a phase change body and a fan; the solar controller is sequentially connected with the refrigerating device controller, the potentiometer, the microcomputer, the electromagnetic relay, the semiconductor refrigerating plate and the heat conductor; the thin-film solar cell is connected with the solar storage battery through the solar controller, the electric quantity signal of the solar storage battery is transmitted to the solar controller, and the solar controller outputs a signal to control the start and stop of the thin-film solar cell according to the electric quantity of the solar storage battery.
Description
Technical Field
The utility model belongs to the technical field of vehicle air conditioner, specific theory relates to a car parks and uses solar thermoelectric type air conditioning system.
Background
The automobile is a special moving enclosure structure which has two states, namely a running state and a parking state. The automobile air conditioner can adjust and improve the temperature environment of the automobile room when the automobile runs, and the comfort of people is improved.
When the automobile stops running, the compressor loses power, the automobile air conditioner can not adjust the temperature of the automobile room any more, and the parking place can be various external environments such as spring, summer, autumn and winter, wind, frost, rain and snow or burning sun. In daily life, when a vehicle is driven out for work, the vehicle is often started and stopped very frequently due to the requirement of actual working conditions. In summer, the automobile is stopped outdoors and is irradiated by strong sunlight, the temperature in the automobile room is rapidly increased, and the automobile enters a food steamer when getting on the automobile later. It is estimated that the temperature in the vehicle can reach 65 ℃ or more, and the driver and the passenger feel intolerable to the environment in the vehicle or at least uncomfortable for a certain time. This common problem is ignored by people.
The volatilization of carcinogenic substances such as benzene, formaldehyde and the like in decorative materials in the car can be accelerated in a high-temperature environment in the car, and one experiment of air quality supervision bureau in Beijing city shows that the concentration of pollutants in the car is increased along with the rise of the temperature in the car, the average concentration of the pollutants in the car is doubled every time the temperature is increased by 10 ℃, namely the concentration of the pollutants in the car in the environment of 65 ℃ is 16 times under the condition of 25 ℃, and the current main solution of people is to add a sun-proof cover when the car is parked, so that the method has poor heat-proof effect and complicated process. Therefore, it is necessary to manufacture an air conditioner for use when the vehicle is parked.
Therefore the utility model provides a car parks and uses solar thermoelectric type air conditioning system. The purpose has two, and the first people's wait time of saving car restart in summer, and the second prevents to overheat in the car and leads to the rising of pollutant concentration.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a car parking is with solar thermoelectric type air conditioning system.
The utility model discloses a solve the technical problem who proposes in the background art, the technical scheme of adoption is: a solar thermoelectric air conditioning system for automobile parking comprises a thin-film solar cell, a solar controller, a solar storage battery, a refrigerating device controller, a temperature sensor, a potentiometer, a microcomputer, an electromagnetic relay, a semiconductor refrigerating plate, a heat conductor, a phase change body and a fan;
the solar controller is sequentially connected with the refrigerating device controller, the potentiometer, the microcomputer, the electromagnetic relay, the semiconductor refrigerating plate and the heat conductor;
the thin-film solar cell is connected with the solar storage battery through the solar controller, the electric quantity signal of the solar storage battery is transmitted to the solar controller, and the solar controller outputs a signal to control the start and stop of the thin-film solar cell according to the electric quantity of the solar storage battery;
the refrigeration device controller controls the start and stop of the cold system; the temperature sensor measures the temperature in the vehicle, and transmits a signal to the refrigerating device controller, and the refrigerating device controller transmits a signal to the solar controller to start the power supply; the refrigeration device controller transmits a signal to the potentiometer and starts the potentiometer; the potentiometer regulates a potential analog signal, the potential analog signal is transmitted to the microcomputer, the microcomputer amplifies the signal and transmits the signal to the electromagnetic relay, and the closing time of the electromagnetic relay is determined, so that the working time and the rest time of the semiconductor refrigerating sheet are controlled.
The thin-film solar cell is mounted on the roof of an automobile.
Has the advantages that: the utility model discloses a solve present vehicle air conditioner compressor and be driven by automobile engine, when the car stops traveling, the compressor loses power, and vehicle air conditioner just can not adjust the technical problem of car room temperature again yet.
1. It is estimated that the temperature in the vehicle can reach 65 ℃ or higher, and the high temperature causes the concentration of pollutants in the vehicle to increase. If the vehicle is internally provided with detained personnel, the high temperature even threatens life.
During the parking, this device can be for cooling down in the car, and the temperature maintains at people's comfortable temperature in the car, reduces the volatilization of pollutant, and the guarantee is detained personnel's safety.
2. In summer, a driver starts the automobile again after stopping, and often needs to start the automobile, open an air conditioner, open a window for heat dissipation, wait for the temperature to drop, and then start the automobile. Wasting energy and time.
The device utilizes solar energy for power supply and has no pollution to the environment. The device makes the temperature in the car maintain at the comfortable temperature of people, and the driver can start the car immediately, saves time.
3. Near traditional vehicle air conditioner instrument dish, summer can only blow the first half of people's health, causes cold and hot uneven, dismantles moreover, washs the trouble.
The installation position of the semiconductor refrigeration piece in the device accords with the theory of traditional Chinese medicine, and the comfort and the health of people are guaranteed. Meanwhile, the device is integrated on a cushion, can be detached and is convenient to operate.
4. The average automobile occupancy rate in China is about 20%, and the automobile occupancy rate is rapidly increased, so that the market demand is large. Meanwhile, the device adopts solar energy for power supply, and can drive the development of photovoltaic industry and semiconductor refrigeration industry and reduce the emission of carbon dioxide.
Drawings
Fig. 1 is a schematic diagram of the device control and principle of the present invention.
Fig. 2 is a layout diagram of the semiconductor refrigeration plate in the device of the present invention.
Fig. 3 is the flow chart of the device of the present invention.
Reference numerals: the solar energy control system comprises a thin-film solar cell 1, a solar controller 2, a solar storage cell 3, a refrigerating device controller 4, a temperature sensor 5, a potentiometer 6, a microcomputer 7, an electromagnetic relay 8, a semiconductor refrigerating plate 9, a heat conductor 10, a phase change body 11, a fan 12 and a manual regulation potentiometer 13.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings. The embodiments of the present invention are provided to better enable those skilled in the art to better understand the present invention, but do not limit the present invention.
The solar thermoelectric air conditioning system for parking the automobile converts the received solar energy into electric energy and then drives the semiconductor to refrigerate. The device is different from a traditional air conditioner, and a fan of the traditional air conditioner blows air to cool through a cold end and then blows the air to the periphery of a human body to achieve the purpose of cooling. The semiconductor cold end of the device is in direct contact with a human body, and the cold end of the semiconductor can be quickly comfortable without reaching too low temperature. The electric energy and the waiting time for the driver to start the vehicle again are saved. Fig. 1 is a schematic diagram of the device control and principle of the present invention.
The solar refrigeration system comprises a thin-film solar cell 1, a solar controller 2, a solar storage battery 3, a refrigeration device controller 4, a temperature sensor 5, a potentiometer 6, a microcomputer 7, an electromagnetic relay 8, a semiconductor refrigeration plate 9, a heat conductor 10, a phase change body 11 and a fan 12.
Thin-film solar cell 1: the thin-film solar cell is made by attaching photosensitive material with the thickness of only a few micrometers on a cheap glass, stainless steel or plastic substrate, and has the advantages of rich raw materials, no toxicity, no pollution, low energy consumption, low cost and the like. The solar refrigeration device has the function of converting solar energy into electric energy, providing the electric energy for the semiconductor refrigeration sheet or sending the electric energy to the storage battery for storage.
Solar controller 2: the solar controller is used for controlling the working state of the whole power generation system and has the functions of overcharge and overdischarge protection on the storage battery.
Solar storage battery 3: and selecting a proper lead-acid storage battery with better deep circulation capability. The photovoltaic power generation device has the functions of storing electric energy generated by a photovoltaic system, supplying power for the semiconductor refrigeration device and serving as a voltage stabilizer.
The refrigeration apparatus controller 4: and a high-precision temperature control circuit is selected, and the auxiliary air conditioning system is automatically turned on or off under a certain condition, so that the temperature in the automobile is ensured to be proper.
Temperature sensor 5: the received temperature signal is converted into a digital signal, the digital signal is transmitted to a remote controller in a driver hand, and the temperature is displayed on the remote controller.
The potentiometer 6: the device can be manually adjusted and is used for adjusting the analog signal of the electric potential and controlling the starting and stopping time of the semiconductor refrigeration plate.
And the microcomputer 7 is used for controlling a core pivot of the circuit, reading the potential analog signal generated by the potentiometer, and regulating the duty ratio of the pulse voltage signal generated by the potentiometer through feedback.
The electromagnetic relay 8: and receiving a pulse voltage signal generated by the microcomputer and controlling the starting and stopping of the semiconductor refrigerating sheet.
Semiconductor refrigeration piece 9: the electric energy generated by the solar power generation system is converted into cold energy or heat energy, so that the temperature in the vehicle is regulated. The semiconductor refrigerating sheet (TE) is also called thermoelectric refrigerating sheet, is a heat pump, and has the advantages of no sliding part, limited space, high reliability requirement and no refrigerant pollution. The semiconductor refrigerating plate works by using direct current, which can refrigerate and heat, and the like, and the refrigeration or heating is realized on the same refrigerating plate by changing the polarity of the direct current, and the effect is realized by thermoelectric effect.
The semiconductor refrigerating sheet can be selected with different specifications to meet the requirements of different vehicle types. 40mm 3.4mm operating voltage 12V, operating current 9.5A, refrigerating output 120W. 60mm 4.0mm operating voltage 12V, operating current 30A, refrigerating output 288W. )
Heat conductor 10: the silicone grease material is mainly used for heat dissipation of semiconductor refrigeration sheets and the like, is uniformly coated between the hot end of the semiconductor refrigeration sheet and the phase change body (as shown in figure 1, the surface 9B is the hot end), enhances heat transfer between the hot end of the semiconductor refrigeration sheet and the phase change body, quickly dissipates heat or cold into the phase change body, and maintains continuous normal work of the semiconductor refrigeration sheet.
Phase modification 11: can absorb and store a large amount of heat in the form of latent heat. The cold end of the semiconductor refrigeration piece is in contact with a human body, the heat of the hot end of the semiconductor refrigeration piece needs to be dissipated, and the refrigeration piece can normally operate (as shown in figure 1, a 9A surface is the cold end, and a 9B surface is the hot end). The phase change body is selected to absorb heat at the hot end.
The three principles of high efficiency, reliability, safety, environmental protection and economical practicability of the phase change body are comprehensively considered. Paraffin (paraffin wrapped with aluminum foil), TH-HC 120 phase variants, PE-NPG phase variants (pentaerythritol mixed with neopentyl glycol) may be used
And the fan 12 is used for strengthening air flow disturbance in the automobile and enabling air at the cold end of the semiconductor to be uniformly distributed in the whole automobile space after the automobile stops.
The thin film solar cell 1 is arranged on the roof of an automobile;
the thin-film solar cell 1 is connected with the solar storage battery 3 through the solar controller 2, the electric quantity signal of the solar storage battery 3 is transmitted to the solar controller 2, and the solar controller 2 outputs a signal to control the start and stop of the thin-film solar cell 1 according to the electric quantity of the solar storage battery 3;
the components 4 to 13 in fig. 1 constitute the refrigeration system of the utility model, if the semiconductor hot end can not radiate heat in time, the semiconductor can be damaged in two minutes, and in order to strengthen the radiation of the semiconductor refrigeration piece, an intermittent working mode is adopted. Wherein the refrigeration device controller 4 controls the start-stop of the cold system. The temperature sensor 5 measures the temperature in the vehicle and transmits the measured temperature to the refrigeration device controller 4 through a signal. If the temperature in the vehicle exceeds 26 ℃, the refrigerating device controller 4 transmits a signal to the solar controller 2 to turn on the power supply, and meanwhile, the refrigerating device controller 4 transmits a signal to the potentiometer 6 to turn on the potentiometer 6. The potentiometer 6 adjusts the potential analog signal and transmits the potential analog signal to the microcomputer 7. The microcomputer 7 amplifies the signal to a proper value according to a large amount of experimental data, transmits the signal to the electromagnetic relay 8, and determines the closing time of the electromagnetic relay 8, so that the working time and the rest time of the semiconductor refrigerating sheet are controlled. The electromagnetic relay 8 is closed, the circuit is switched on, the semiconductor refrigerating sheet 9 starts to work, 9A is the cold end to absorb heat in the vehicle, and 9B is the hot end to conduct the heat to the phase change body 11 through the heat conductor 10. When the set working time is up, the microcomputer 7 transmits a signal to the electromagnetic relay 8, the electromagnetic relay 8 is disconnected, the circuit is disconnected, the semiconductor refrigerating sheet 9 stops working and does not generate heat any more, 9A is still low in cold end temperature and continues to absorb heat in the vehicle, and 9B is a hot end and conducts the heat to the phase change body 11 through the heat conductor 10. After the rest time is up, the microcomputer 7 outputs signals again to start the working time, and the working time is cycled in sequence until the temperature in the vehicle is lower than 26 ℃ or the system is manually closed.
The driver sends a signal to the refrigerating device controller 4 according to the condition in the vehicle, and the refrigerating device controller 4 sends a signal to the fan 12 to control the starting and stopping of the fan.
Fig. 2 is a layout diagram of the semiconductor refrigeration plate in the device of the present invention.
The specific implementation method of the utility model
1. Mounting of semiconductor chilling plates
The semiconductor refrigerating sheet is embedded into the automobile seat cushion, and one seat cushion is placed on each seat. As shown in figure 2, 6 refrigerating sheets are arranged on the back of the automobile cushion and are in direct contact with the back of a human body. The lower part of the cushion is provided with 4 refrigerating sheets which are in direct contact with the legs of the human body. The semiconductor is electrified, and the semiconductor is cooled to be in direct contact with the human body.
When the embedded position of the semiconductor refrigerating sheet in the automobile seat cushion is designed, the following four principles are mainly considered, namely (l) human body temperature distribution. The highest temperature of human body is head, neck, chest and back, and the surface heat flow is large. The parts are sensitive to temperature, and the human body feels comfortable as long as the temperature of the parts is proper, so that the semiconductor refrigerating sheet is designed to be in contact with the four parts. (2) Comfort and health. The semiconductor refrigeration piece can not be arranged on the head and the chest despite larger heat productivity of human body parts which can not be cooled in traditional Chinese medicine, such as the vertex of the head, the stomach, the heart and the like, so as to ensure the health of the human body and avoid the ache and the discomfort caused by long-time cooling. (3) The activity is convenient. In order to ensure that the head of a driver can rotate freely and the driving vision of the driver is wide, the semiconductor refrigeration piece cannot be arranged at the neck. (4) Is convenient to use. In order to be capable of randomly disassembling the semiconductor refrigerating device and cleaning the automobile seat conveniently according to weather conditions, the semiconductor refrigerating sheet is embedded in the automobile cushion, and the automobile cushion can be randomly disassembled.
2. Mounting of fans
If two fans are installed on each cushion in fig. 2, after the automobile stops, detained personnel are in the automobile to strengthen the disturbance of air flow in the automobile, so that the air at the cold end of the semiconductor is uniformly distributed in the whole automobile space.
3. Heat dissipation of semiconductor refrigeration sheet
If the hot end of the semiconductor can not radiate heat in time, the semiconductor can be damaged in two minutes, and an intermittent working mode is adopted for enhancing the radiation of the semiconductor refrigerating sheet. The temperature sensor measures that the temperature in the vehicle reaches 26 ℃, the refrigerating device controller is connected with the control circuit, the potentiometer 6, the microcomputer 7 and the electromagnetic relay 8 control the starting and stopping of the semiconductor refrigerating piece in the control circuit, and the potentiometer is manually adjusted to set the starting and stopping time.
The following process is implemented by means of c language programming in the Arduino IDE environment: (1) the potentiometer 6 adjusts a potential analog signal and inputs the potential analog signal to the microcomputer 7; (2) amplifying the signal to a proper value according to a large amount of experimental data, and converting the analog signal into a digital signal by a corresponding module in the microcomputer 7; (3) the pulse voltage signal generated by the digital signal is adjusted according to the change of the digital signal, and the pulse voltage signal is output to the electromagnetic relay 8; (4) the on-off time of the electromagnetic relay is controlled through the Duty Ratio (DR) of the pulse signal, so that the semiconductor refrigerating piece is started and stopped.
Device workflow
The system comprises a power supply device and a refrigerating device, such as a thin-film solar cell 1, a solar controller 2 and a solar storage battery 3 of the power supply device shown in figure 1. The refrigerating device comprises a refrigerating device controller 4, a temperature sensor 5, a potentiometer 6, a microcomputer 7, an electromagnetic relay 8, a semiconductor refrigerating plate 9, a heat conductor 10, a phase change body 11 and a fan 12.
1. Solar charging process
The thin film solar cell 1 is mounted on the roof of a vehicle, and the components 2 to 12 in fig. 1 are integrated on the vehicle seat cushion, one seat cushion being mounted per seat. In the daytime, the sun irradiates the thin-film solar cell 1, the thin-film solar cell 1 transmits electric energy to the solar storage battery 3 for storage through the solar controller 2, and the solar controller is used for controlling the working state of the whole power generation system and playing the functions of overcharge and overdischarge protection on the storage battery. The power supply device supplies power to the refrigerating device.
2. Refrigerating plant work flow
(1) In the hot summer midday (during 11 am to 16 pm), after parking, the driver gets off and closes the door.
(2) The temperature sensor 5 will transmit the temperature in the vehicle to the driver's remote control in real time.
(3) If the old people or children stay in the vehicle, the driver can control the opening and closing of the semiconductor refrigerating sheet 9 and the fan 12 according to the display temperature on the remote controller, so that the thermal comfort of the old people and the children staying in the vehicle is ensured, and the danger is avoided.
(4) If no person stays in the automobile, the driver determines whether to start the semiconductor refrigerating sheet 9 or not according to the temperature in the automobile and the time for restarting the automobile.
(5) When the driver wants to start the automobile again, the thermoelectric refrigeration air conditioner is started in advance, so that the temperature in the automobile is proper, the driver can directly start the automobile without waiting again, and the time is saved.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make various changes without departing from the spirit and the scope of the present invention.
Claims (2)
1. A solar thermoelectric air conditioning system for automobile parking is characterized by comprising a thin-film solar cell (1), a solar controller (2), a solar storage battery (3), a refrigerating device controller (4), a temperature sensor (5), a potentiometer (6), a microcomputer (7), an electromagnetic relay (8), a semiconductor refrigerating plate (9), a heat conductor (10), a phase change body (11) and a fan (12);
the solar controller (2) is sequentially connected with a refrigerating device controller (4), a potentiometer (6), a microcomputer (7), an electromagnetic relay (8), a semiconductor refrigerating plate (9) and a heat conductor (10);
the thin-film solar cell (1) is connected with the solar storage battery (3) through the solar controller (2), the electric quantity signal of the solar storage battery (3) is transmitted to the solar controller (2), and the solar controller (2) outputs a signal to control the start and stop of the thin-film solar cell (1) according to the electric quantity of the solar storage battery (3);
the refrigeration device controller (4) controls the start and stop of the cold system; the temperature sensor (5) measures the temperature in the vehicle, the temperature is transmitted to the refrigerating device controller (4) through signals, and the refrigerating device controller (4) transmits signals to the solar controller (2) to start a power supply; the refrigeration device controller (4) transmits a signal to the potentiometer (6) to start the potentiometer (6); the potentiometer (6) adjusts a potential analog signal and transmits the potential analog signal to the microcomputer (7), the microcomputer (7) amplifies the signal and transmits the signal to the electromagnetic relay (8) to determine the closing time of the electromagnetic relay (8), and therefore the working time and the rest time of the semiconductor refrigeration plate (9) are controlled.
2. The solar thermoelectric air conditioning system for parking of an automobile according to claim 1, wherein the thin film solar cell (1) is mounted on the roof of the automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921335061.8U CN211106838U (en) | 2019-08-16 | 2019-08-16 | Solar thermoelectric air conditioning system for automobile parking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921335061.8U CN211106838U (en) | 2019-08-16 | 2019-08-16 | Solar thermoelectric air conditioning system for automobile parking |
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| Publication Number | Publication Date |
|---|---|
| CN211106838U true CN211106838U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921335061.8U Expired - Fee Related CN211106838U (en) | 2019-08-16 | 2019-08-16 | Solar thermoelectric air conditioning system for automobile parking |
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| Country | Link |
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| CN (1) | CN211106838U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450600A (en) * | 2019-08-16 | 2019-11-15 | 天津大学 | A kind of parking solar heat electric-type air-conditioning and its control method |
| CN114425977A (en) * | 2022-01-18 | 2022-05-03 | 武汉路特斯汽车有限公司 | Seat temperature control device and control method thereof |
-
2019
- 2019-08-16 CN CN201921335061.8U patent/CN211106838U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450600A (en) * | 2019-08-16 | 2019-11-15 | 天津大学 | A kind of parking solar heat electric-type air-conditioning and its control method |
| CN114425977A (en) * | 2022-01-18 | 2022-05-03 | 武汉路特斯汽车有限公司 | Seat temperature control device and control method thereof |
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Granted publication date: 20200728 Termination date: 20210816 |