CN111634175A - Design method for realizing temperature control and demisting system in vehicle by utilizing single chip microcomputer - Google Patents
Design method for realizing temperature control and demisting system in vehicle by utilizing single chip microcomputer Download PDFInfo
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- CN111634175A CN111634175A CN202010424397.2A CN202010424397A CN111634175A CN 111634175 A CN111634175 A CN 111634175A CN 202010424397 A CN202010424397 A CN 202010424397A CN 111634175 A CN111634175 A CN 111634175A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 238000004378 air conditioning Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00785—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models by the detection of humidity or frost
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00807—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a specific way of measuring or calculating an air or coolant temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
- B60H1/00828—Ventilators, e.g. speed control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
- B60H1/00871—Air directing means, e.g. blades in an air outlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
Abstract
The invention discloses a design method for realizing a temperature control and demisting system in a vehicle by utilizing a single chip microcomputer, which belongs to the field of single chip microcomputer control and comprises a steam circuit, wherein the steam circuit is connected with a voltage reduction module, the voltage reduction module is connected with the single chip microcomputer, the single chip microcomputer is connected with a DHT11 temperature and humidity sensor A, DHT11 temperature and humidity sensor B, a compressor AC switch, a water-cooling indoor circulation switch control point of an automobile engine, an air conditioner air outlet, a relay and a fan of an air conditioner in the vehicle, and No. 9 and No. 10 pins of the single chip microcomputer are connected with. Utilize the little control ability of singlechip, can adjust the humiture in the car according to the humiture outside the car, reach the effect of accuse temperature defogging in the intelligent car.
Description
Technical Field
The invention relates to the technical field of defogging systems, in particular to a design method for realizing a temperature control defogging system in a vehicle by utilizing a single chip microcomputer.
Background
In the modern automatic air-conditioning control system of the automobile, mainly two aspects of temperature gradient control and relative humidity control, an air-conditioning ECU automatically turns on a heating, refrigerating or dehumidifying device according to signals in the automobile, which are detected by external climate conditions and a temperature and humidity sensor, so that the temperature and the relative humidity in the automobile are maintained at comfortable levels, a proper indoor climate environment is adjusted, the temperature difference between the inside and the outside of the automobile can be realized, a defogging device is automatically started, and the reduction of visibility caused by fog on a windshield, particularly fog formed by low-temperature rainfall is avoided.
The existing constant-temperature demisting technology has the following disadvantages: most air conditioners of vehicles in the actual market are not controlled by an ECU but are independent control systems, the ECU with strong functions can also be added with air conditioner medium pipe high-low voltage switch signal connection, air conditioner compressor clutch control and the like, but generally needs to coordinate with an air conditioner factory with a plurality of technical details, which relate to expenses and are difficult to overhaul and investigate which party is responsible.
Disclosure of Invention
The invention provides a design method for realizing an in-vehicle temperature control defogging system by utilizing a single chip microcomputer, wherein a voltage reduction module is used for supplying power to the single chip microcomputer by a direct current power supply with voltage reduced to 5V between 13.5V and 14.5V commonly used by an automobile, the single chip microcomputer supplies power to a DHT11 temperature and humidity sensor A and a DHT11 temperature and humidity sensor B at the moment, data are uploaded to the single chip microcomputer by an out-vehicle temperature and humidity sensor A, data are uploaded to the single chip microcomputer by an in-vehicle DHT11 temperature and humidity sensor A, analysis data of the single chip microcomputer are compared with preset values, a compressor AC (alternating current) switch is controlled by a relay, a control point of a water-cooling indoor circulation switch of an automobile engine is adjusted, an air outlet of an air conditioner, the automobile is started in an initial state, the direct current power supply with voltage reduced to 5V between 13.5V and 14.5V is supplied power to the single chip by the voltage reduction module, data uploaded by the in-vehicle The mascerating machine, data that upload through two DHT11 temperature and humidity sensors A and DHT11 temperature and humidity sensors B through the singlechip carry out the analysis, then compare with the standard value that has set up in advance, then the singlechip is through opening compressor AC switch, automobile engine water-cooling indoor circulation switch control point and windshield wind gap switch to and carry out the regulation and control of humiture and the work of defogging through relay car air-conditioning fan, the loss of energy has been reduced, defogging system's effect has been improved.
The specific technical scheme provided by the invention is as follows:
the design method for realizing the in-vehicle temperature control demisting system by utilizing the single chip microcomputer comprises the steps of steam electricity, wherein the steam electricity is connected with a voltage reducing module, the voltage reducing module is connected with the single chip microcomputer, the single chip microcomputer is connected with a DHT11 temperature and humidity sensor A, DHT11 temperature and humidity sensor B, a compressor AC switch, a control point of a water-cooling indoor circulation switch of an automobile engine, an air-conditioning air outlet, a relay and an in-vehicle air-conditioning fan, and pins 9 and 10 of the single chip microcomputer are connected with a minimum system circuit, so that the normal work of the single chip microcomputer is ensured, and a complete circuit is formed. .
Optionally, the temperature and humidity in the vehicle are adjusted according to the temperature and humidity outside the vehicle by the advantages of the inner single chip microcomputer, the DHT11 temperature and humidity sensor A and the DHT11 temperature and humidity sensor B.
Optionally, the voltage reduction module reduces the voltage between 13.5V and 14.5V to a 5V dc power supply, and then supplies power to the chip.
Optionally, the DHT11 temperature and humidity sensor a uploads data to the single chip microcomputer and the outside temperature and humidity sensor B uploads data to the single chip microcomputer.
Optionally, the single chip microcomputer analyzes data uploaded by the DHT11 temperature and humidity sensor a and the DHT11 temperature and humidity sensor B.
Optionally, the single chip microcomputer analyzes data uploaded by the DHT11 temperature and humidity sensor a and the DHT11 temperature and humidity sensor B, starts an AC switch of the compressor, a control point of a water-cooled indoor circulation switch of the automobile engine and a switch of an air inlet of the windshield through an output port, and performs temperature and humidity regulation and defogging through an air-conditioning fan in the automobile through a relay.
The invention has the following beneficial effects:
the embodiment of the invention provides a design method for realizing an in-vehicle temperature control defogging system by utilizing a single chip microcomputer, wherein a voltage reduction module is used for supplying power to the single chip microcomputer by a direct current power supply with voltage reduced to 5V between 13.5V and 14.5V, which is commonly used by an automobile, the single chip microcomputer is powered by a DHT11 temperature and humidity sensor A and a DHT11 temperature and humidity sensor B, the data is uploaded to the single chip microcomputer by an out-vehicle temperature and humidity sensor A, the data is uploaded to the single chip microcomputer by an in-vehicle DHT11 temperature and humidity sensor A, the analysis data of the single chip microcomputer is compared with a preset value, a relay is used for controlling an AC (alternating current) switch of a compressor, a control point of a water-cooling indoor circulation switch of an automobile engine is adjusted, an air outlet of an air conditioner, the automobile is started in an initial state, the direct current power supply with voltage reduced to 5V between 13.5V and 14.5V is powered by the voltage reduction module, the The single-chip microcomputer analyzes data uploaded by the two DHT11 temperature and humidity sensors A and the DHT11 temperature and humidity sensor B through the single-chip microcomputer, then the data are compared with preset standard values, then the single-chip microcomputer controls the temperature and humidity and demists through opening a compressor AC switch, an automobile engine water-cooling indoor circulating switch control point and a windshield air port switch and an air-conditioning fan in the relay vehicle, energy loss is reduced, and the effect of a demisting system is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a method for implementing a temperature and humidity control and defogging in a vehicle by using a single chip microcomputer according to an embodiment of the present invention, wherein the data is received by a DHT11 temperature and humidity sensor.
In the figure: 1. steam and electricity; 2. a single chip microcomputer; 3. a relay; 4. DHT11 temperature and humidity sensor a; 5. DHT11 temperature and humidity sensor B; 6. a compressor AC switch; 7. a circulating switch control point in a water cooling chamber of an automobile engine; 8. an automobile air outlet switch; 9. a minimum system circuit; 10. a voltage reduction module; 11. air conditioner fan in the car.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A method for designing a temperature control defogging system in a vehicle by using a single chip microcomputer according to an embodiment of the present invention will be described in detail with reference to fig. 1.
Referring to fig. 1, a design method for implementing an in-vehicle temperature control defogging system by using a single chip microcomputer includes a steam-electricity 1, the steam-electricity 1 is connected with a voltage-reducing module 10, the voltage-reducing module 10 is connected with the single chip microcomputer 2, the single chip microcomputer 2 is connected with a DHT11 temperature and humidity sensor a4, a DHT11 temperature and humidity sensor B5, a compressor AC switch 6, an automobile engine water-cooling indoor circulation switch control point 7, an air-conditioning air outlet 8, a relay 3 and an in-vehicle air-conditioning fan 11, and pins 9 and 10 of the single chip microcomputer 2 are connected with a minimum system circuit 9, so that the single chip microcomputer can normally work, and thus a complete circuit is formed.
Referring to fig. 1, an inner single chip microcomputer chip 2, DHT11 temperature and humidity sensor a4 and DHT11 temperature and humidity sensor B5 adjust the temperature and humidity inside the vehicle according to the temperature and humidity outside the vehicle, a voltage reduction module 10 supplies power to the single chip microcomputer 2 after the voltage between the voltage of 13.5V-14.5V which is commonly used by the vehicle is reduced to 5V, the single chip microcomputer 2 is supplied with power by the DHT11 temperature and humidity sensor a4 and the DHT11 temperature and humidity sensor B5, the temperature and humidity sensor 5 outside the vehicle uploads data to the single chip microcomputer 2, the temperature and humidity sensor a 11 in the vehicle uploads data to the single chip microcomputer 2, the single chip microcomputer 2 analyzes the data and compares the data with a preset value, a relay 3 controls a compressor AC switch 6, a water cooling indoor circulation switch control point 7 of the vehicle engine is adjusted, an air outlet 8 of the vehicle is started, the voltage between 13.5V and 14.5V is reduced to 5V by the voltage reduction module and then supplies power to the, when the automobile is in a working state, data uploaded by the DHT11 temperature and humidity sensor A4 in the automobile are uploaded to the single chip microcomputer 2, data uploaded by the outer temperature DHT11 temperature and humidity sensor B5 are uploaded to the single chip microcomputer 2, the data uploaded by the single chip microcomputer 2 through the two DHT11 temperature and humidity sensors A4 and the DHT11 temperature and humidity sensor B5 are analyzed, then the data are compared with preset standard values, then the single chip microcomputer 1 is used for controlling temperature and humidity and working of demisting through opening the compressor AC switch 6, the automobile engine water-cooling indoor circulating switch control point 7 and the windshield air port switch 8, and the air conditioner fan 11 in the automobile is used for conducting temperature and humidity regulation and demisting through the relay 3, energy loss is reduced.
Referring to fig. 1, a voltage reduction module 10 supplies power to a chip by a direct current power supply with a voltage reduced by 5V between 13.5V and 14.5V, the voltage reduction module 10 supplies power to a single chip microcomputer 2 by a direct current power supply with a voltage reduced by 5V between 13.5V and 14.5V commonly used by an automobile, the single chip microcomputer 2 includes a DHT11 temperature and humidity sensor a4 and a DHT11 temperature and humidity sensor B5, the power is supplied, data is uploaded to the single chip microcomputer 2 by an external temperature and humidity sensor 5, data is uploaded to the single chip microcomputer 2 by an internal DHT11 temperature and humidity sensor a4, analysis data of the single chip microcomputer 2 is compared with a preset value, a relay 3 controls an AC switch 6 of a compressor, a water-cooling indoor circulation switch control point 7 of an automobile engine is adjusted, an air-conditioning air outlet 8 is provided, the automobile is started in an initial state, the voltage reduction module supplies power to the power supply with a voltage reduced by 5V between, when the automobile is in a working state, data uploaded by the DHT11 temperature and humidity sensor A4 in the automobile are uploaded to the single chip microcomputer 2, data uploaded by the outer temperature DHT11 temperature and humidity sensor B5 are uploaded to the single chip microcomputer 2, the data uploaded by the single chip microcomputer 2 through the two DHT11 temperature and humidity sensors A4 and the DHT11 temperature and humidity sensor B5 are analyzed, then the data are compared with preset standard values, then the single chip microcomputer 2 is used for controlling temperature and humidity and working of demisting through opening the compressor AC switch 6, the automobile engine water-cooling indoor circulating switch control point 7 and the windshield air port switch 8, and the air conditioner fan 11 in the automobile is used for conducting temperature and humidity regulation and demisting through the relay 3, energy loss is reduced.
Referring to fig. 1, data uploaded by a DHT11 temperature and humidity sensor a4 is transmitted to a single chip microcomputer 2, data uploaded by an outside temperature and humidity sensor B5 is transmitted to the single chip microcomputer 2, a direct current power supply with a voltage drop of 13.5V-14.5V, which is commonly used by an automobile, is transmitted to the single chip microcomputer 2 through a voltage reduction module 10, the single chip microcomputer 2 supplies power to the DHT11 temperature and humidity sensor a4 and DHT11 temperature and humidity sensor B5, the data uploaded by the outside temperature and humidity sensor 5 is transmitted to the single chip microcomputer 2 through an inside DHT11 temperature and humidity sensor a4, analysis data of the single chip microcomputer 2 is compared with a preset value, a relay 3 controls a compressor AC switch 6, a water-cooling indoor circulation switch control point 7 of an automobile engine is adjusted, an air outlet 8 of the automobile is air conditioner, the automobile is started in an initial state, the direct current power supply with a voltage drop of 13.5V-14.5V is, when the automobile is in a working state, data uploaded by the DHT11 temperature and humidity sensor A4 in the automobile are uploaded to the single chip microcomputer 2, data uploaded by the outer temperature DHT11 temperature and humidity sensor B5 are uploaded to the single chip microcomputer 2, the data uploaded by the single chip microcomputer 2 through the two DHT11 temperature and humidity sensors A4 and the DHT11 temperature and humidity sensor B5 are analyzed, then the data are compared with preset standard values, then the single chip microcomputer 2 is used for controlling temperature and humidity and working of demisting through opening the compressor AC switch 6, the automobile engine water-cooling indoor circulating switch control point 7 and the windshield air port switch 8, and the air conditioner fan 11 in the automobile is used for conducting temperature and humidity regulation and demisting through the relay 3, energy loss is reduced.
Referring to fig. 1, a single chip microcomputer 2 analyzes data uploaded by a DHT11 temperature and humidity sensor a4 and a DHT11 temperature and humidity sensor B5, a voltage reduction module 10 supplies power to the single chip microcomputer 2 after a voltage between 13.5V and 14.5V, which are commonly used by an automobile, is reduced to 5V, the single chip microcomputer 2 is powered by a DHT11 temperature and humidity sensor a4 and a DHT11 temperature and humidity sensor B5, the data is uploaded to the single chip microcomputer 2 by an outside temperature and humidity sensor 5, the data is uploaded to the single chip microcomputer 2 by an inside DHT11 temperature and humidity sensor a4, the analyzed data of the single chip microcomputer 2 is compared with a preset value, a relay 3 controls an AC switch 6 of a compressor, a water-cooling indoor circulation switch control point 7 of an automobile engine is adjusted, an air outlet 8 of the automobile is air conditioner, the automobile is started in an initial state, the voltage reduction module supplies power to the chip after the voltage between 13.5V and, when the automobile is in a working state, data uploaded by the DHT11 temperature and humidity sensor A4 in the automobile are uploaded to the single chip microcomputer 2, data uploaded by the outer temperature DHT11 temperature and humidity sensor B5 are uploaded to the single chip microcomputer 2, the data uploaded by the single chip microcomputer 2 through the two DHT11 temperature and humidity sensors A4 and the DHT11 temperature and humidity sensor B5 are analyzed, then the data are compared with preset standard values, then the single chip microcomputer 2 is used for controlling temperature and humidity and working of demisting through opening the compressor AC switch 6, the automobile engine water-cooling indoor circulating switch control point 7 and the windshield air port switch 8, and the air conditioner fan 11 in the automobile is used for conducting temperature and humidity regulation and demisting through the relay 3, energy loss is reduced.
Referring to fig. 1, a single chip microcomputer 2 controls temperature and humidity and demists by turning on a compressor AC switch 6, an automobile engine water-cooling indoor circulation switch control point 7 and a windshield air port switch 8, and an air conditioning fan 11 in an automobile by a relay 3, a voltage reduction module 10 reduces a voltage between a voltage of 13.5V and 14.5V commonly used by the automobile to be 5V, and then supplies power to the single chip microcomputer 2, the single chip microcomputer 2 supplies power to a DHT11 temperature and humidity sensor a4 and a DHT11 temperature and humidity sensor B5, data are uploaded to the single chip microcomputer 2 by an external temperature and humidity sensor 5, data are uploaded to the single chip microcomputer 2 by an internal DHT11 temperature and humidity sensor a4, analysis data of the single chip microcomputer 2 are compared with preset values, the compressor AC switch 6 is controlled by the relay 3, and then the automobile engine water-cooling indoor circulation switch control point 7 is adjusted, the automobile is started in the initial state, the voltage between 13.5V and 14.5V is reduced to 5V direct current power supply through the voltage reduction module to supply power to the chip, data uploaded by the DHT11 temperature and humidity sensor A4 in the automobile is uploaded to the single chip microcomputer 2 and data uploaded by the DHT11 temperature and humidity sensor B5 outside the automobile are uploaded to the single chip microcomputer 2 in the working state, the data uploaded by the single chip microcomputer 2 through the two DHT11 temperature and humidity sensors A4 and the DHT11 temperature and humidity sensor B5 are analyzed and then compared with preset standard values, then the single chip microcomputer 2 starts the compressor AC switch 6, the automobile engine water cooling indoor circulating switch control point 7 and the windshield air port switch 8 and conducts temperature and humidity regulation and defogging work through the relay 3 and the air conditioning fan 11 in the automobile, energy loss is reduced, and the defogging effect is improved.
The embodiment of the invention provides a design method for realizing an in-vehicle temperature control demisting system by utilizing a single chip microcomputer, a voltage reduction module 10 is used for supplying power to the single chip microcomputer 2 by a direct current power supply with voltage reduced to 5V between the common voltage of 13.5V-14.5V of an automobile, the single chip microcomputer 2 is a DHT11 temperature and humidity sensor A4 and a DHT11 temperature and humidity sensor B5 at the moment, the power is supplied, the data is uploaded to the single chip microcomputer 2 by an out-vehicle temperature and humidity sensor 5, the data is uploaded to the single chip microcomputer 2 by an in-vehicle DHT11 temperature and humidity sensor A4, the analysis data of the single chip microcomputer 2 is compared with a preset value, a relay 3 is used for controlling an AC switch 6 of a compressor, a water cooling indoor circulating switch control point 7 and an air conditioning air outlet 8 of the automobile are adjusted, the automobile is started in an initial state, the voltage reduction module is used, when the automobile is in a working state, data uploaded by the DHT11 temperature and humidity sensor A4 in the automobile are transmitted to the single chip microcomputer 2, data uploaded by the outer temperature DHT11 temperature and humidity sensor B5 are transmitted to the single chip microcomputer 2, the data uploaded by the single chip microcomputer 2 through the two DHT11 temperature and humidity sensors A4 and the DHT11 temperature and humidity sensor B5 are analyzed, then the data are compared with preset standard values, then the single chip microcomputer 2 controls the temperature and humidity and performs demisting work through the relay 3 through the opening of the compressor AC switch 6, the automobile engine water-cooling indoor circulating switch control point 7 and the windshield air port switch 8, and the air conditioner fan 11 in the automobile is used for temperature.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (6)
1. The design method for achieving the temperature control and demisting system in the vehicle by using the single chip microcomputer is characterized by comprising a steam-electricity body (1), wherein the steam-electricity body (1) is connected with a voltage reduction module (10), the voltage reduction module (10) is connected with the single chip microcomputer (2), the single chip microcomputer (2) is connected with a DHT11 temperature and humidity sensor A (4), a DHT11 temperature and humidity sensor B (5), a compressor AC switch (6), an automobile engine water-cooling indoor circulation switch control point (7), an air conditioner air outlet (8), a relay (3) and an air conditioner fan (11) in the vehicle, pins 9 and 10 of the single chip microcomputer (2) are connected with a minimum system circuit (9), the single chip microcomputer can work normally, and a complete circuit is formed.
2. The design method for realizing the in-vehicle temperature control defogging system by utilizing the single chip microcomputer according to the claim 1, wherein the advantages of the inner single chip microcomputer (2), the DHT11 temperature and humidity sensor A (4) and the DHT11 temperature and humidity sensor B (5) are that the temperature and the humidity in the vehicle are adjusted according to the temperature and the humidity outside the vehicle.
3. The design method for realizing the temperature control defogging system in the vehicle by utilizing the single chip microcomputer according to claim 1, wherein the voltage reduction module (10) reduces the voltage between 13.5V and 14.5V of the steam-electricity (1) into a 5V direct current power supply and then supplies power to the single chip microcomputer (2).
4. The design method for realizing the in-vehicle temperature control defogging system by utilizing the single chip microcomputer according to claim 1, wherein the DHT11 temperature and humidity sensor A (4) uploads the in-vehicle temperature data to the single chip microcomputer (2) and the DHT11 temperature and humidity sensor B (5) uploads the out-vehicle temperature data to the single chip microcomputer (2).
5. The design method for realizing the in-vehicle temperature control defogging system by utilizing the single chip microcomputer according to claim 1, wherein the single chip microcomputer (2) analyzes data uploaded by a DHT11 temperature and humidity sensor A (4) and a DHT11 temperature and humidity sensor B (5).
6. The design method for realizing the in-vehicle temperature control defogging system by utilizing the single chip microcomputer according to claim 1, wherein the single chip microcomputer (2) analyzes data uploaded by a DHT11 temperature and humidity sensor A (4) and a DHT11 temperature and humidity sensor B (5), a compressor AC switch (6), an automobile engine water-cooling indoor circulation switch control point (7) and a windshield air port switch (8) are started through an output port, and an in-vehicle air conditioning fan (11) performs temperature and humidity regulation and defogging operation through a relay (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010424397.2A CN111634175A (en) | 2020-05-19 | 2020-05-19 | Design method for realizing temperature control and demisting system in vehicle by utilizing single chip microcomputer |
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| CN202010424397.2A CN111634175A (en) | 2020-05-19 | 2020-05-19 | Design method for realizing temperature control and demisting system in vehicle by utilizing single chip microcomputer |
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