CN212604379U - Automobile air conditioning system - Google Patents
Automobile air conditioning system Download PDFInfo
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- CN212604379U CN212604379U CN202021682792.2U CN202021682792U CN212604379U CN 212604379 U CN212604379 U CN 212604379U CN 202021682792 U CN202021682792 U CN 202021682792U CN 212604379 U CN212604379 U CN 212604379U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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Abstract
The utility model relates to an automobile air conditioning system, air conditioning system are connected with the output of on-vehicle storage battery, and the input of on-vehicle storage battery is connected with fuel power module's output. The utility model discloses system simple structure is favorable to promoting air conditioner efficiency, and the reducing oil consumption reaches energy saving and emission reduction's purpose, has better economic benefits and social.
Description
Technical Field
The utility model belongs to the technical field of an automobile air conditioner control, in particular to automobile air conditioning system.
Background
With the development of the automobile industry, people have higher and higher requirements on the comfort level of automobiles, and the performance of an automobile air conditioning system is more and more valued by the majority of users. The traditional automobile air conditioning system depends on manual adjustment, selects low-grade operation, cannot reduce the temperature for a long time, selects middle-grade operation and high-grade operation, reduces the temperature all the time, and needs manual adjustment again to reduce the gear when people in a carriage feel overcooling so as to improve the temperature in the carriage. Not only the comfort level in the carriage is poorer, but also the adjustment is troublesome.
In addition, with the rapid increase in automobile holding capacity, the exhaust gas emitted from fuel-powered automobiles is a great source of atmospheric pollution. The existing automobile fuel engine is directly connected with a clutch on an air conditioner compressor through a belt for transmission, the air conditioner compressor is driven to run for refrigeration, and a temperature sensor is arranged in an automobile compartment to determine whether the clutch starts the air conditioner compressor to run. Because the fuel engine directly drives the refrigeration compressor, when the running speed of the fuel engine is in a low-speed period, the combustion efficiency of the engine is low, the air-conditioning compressor is driven to refrigerate, more fuel is consumed, the power of the engine is also influenced, the air-conditioning fuel consumption of the fuel automobile is about more than 30% of the total fuel consumption through tests, and particularly the fuel consumption of the fuel automobile engine is higher in proportion at low speed. Meanwhile, the rotating speed of the compressor is related to the rotating speed of the engine, the rotating speed cannot be adjusted according to the actual temperature requirement, and the frequency conversion cannot be realized. When the engine stops, the air conditioner cannot be operated.
In order to meet the requirement of refrigerating capacity at idle speed (low speed), a large-discharge compressor is required to be selected, the rotating speed of an engine is increased when a vehicle runs, the refrigerating capacity required for maintaining the temperature in a carriage is reduced, an air conditioning system can only adjust the temperature in the carriage through the start and stop of the compressor, a refrigerant passes through a heat exchanger at a relatively overlarge flow rate in the process, so that the heat radiating efficiency of the heat exchanger is low, meanwhile, the system pressure needs to be reestablished to cause system switching loss every time the air conditioning system is started, the loss is serious due to the frequent start and stop of the compressor, and the efficiency of the air conditioning system is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a system simple structure, and is favorable to promoting air conditioning efficiency, and oil consumption reduction reaches the vehicle air conditioning system of energy saving and emission reduction purpose by a wide margin.
In order to achieve the above purpose, the technical scheme of the utility model is that:
an air conditioning system of an automobile is connected with the output end of a vehicle-mounted storage battery, and the input end of the vehicle-mounted storage battery is connected with the output end of a fuel power module.
Further, the air conditioning system comprises a compressor, a condenser, an evaporator, a condensing fan, an evaporating fan, a throttling element and a frequency conversion controller, wherein the compressor, the condensing fan, the evaporating fan and the frequency conversion controller are connected with the output end of the vehicle-mounted storage battery, and the frequency conversion controller controls the working states of the compressor, the condensing fan and the evaporating fan.
Further, the compressor is an electric vortex variable frequency compressor.
Furthermore, the evaporation fan and the condensation fan adopt direct-current brushless fans.
Furthermore, the frequency conversion controller is provided with a temperature control module which is connected with the temperature detection device, and the temperature control module is used for controlling the working states of the compressor and the condensing fan according to the area range of the difference value between the temperature in the carriage and the set temperature.
Furthermore, the variable frequency controller is provided with a storage battery voltage monitoring module which is connected with the storage battery voltage detection device, and the storage battery voltage monitoring module is used for controlling the working state of the compressor according to the area range where the storage battery voltage is located.
Furthermore, the variable frequency controller is provided with a vehicle speed monitoring module which is connected with the vehicle speed detection device and used for controlling the working state of the condensation fan according to the area range of the vehicle speed.
Further, the fuel power module comprises a fuel engine, a generator and a single chip microcomputer controller, a clutch is arranged between the engine and the generator, the output end of the generator is connected with the input end of the vehicle-mounted storage battery, and the clutch is controlled by the single chip microcomputer controller to pull in or release to charge or stop charging the vehicle-mounted storage battery.
Further, the single chip microcomputer controller is provided with a power generation control module which is connected with the engine rotating speed detection device, the lowest set rotating speed is stored in the power generation control module in advance, the clutch is controlled to be attracted to charge the vehicle-mounted storage battery when the rotating speed of the engine is equal to or greater than the lowest set rotating speed, and the clutch is controlled to be disengaged to stop charging the vehicle-mounted storage battery when the rotating speed of the engine is less than the lowest set rotating speed.
Further, the single chip microcomputer controller is provided with a voltage monitoring module which is connected with the storage battery voltage detection device, the voltage monitoring module stores the lowest protection voltage in advance, and when the voltage of the vehicle-mounted storage battery reaches the lowest protection voltage, the clutch is controlled to pull in to charge the vehicle-mounted storage battery.
To sum up, compared with the prior art, the air conditioning system for the vehicle of the present invention has the following advantages:
(1) the utility model provides an air conditioning system is arranged in fuel power automobile, utilize on-vehicle storage battery as the power supply of each equipment of air conditioner, and carry out frequency conversion regulation to compressor and fan, it utilizes the fuel to realize refrigerated purpose as power to change air conditioning system in original traditional car, not only can simplify the air conditioning system structure, make air conditioning system efficiency improve simultaneously, be favorable to further promoting energy-concerving and environment-protective effect, can make air conditioning system's oil consumption reduce to below 15%, promote the energy-concerving and environment-protective effect of car by a wide margin, better economic benefits and social have.
(2) The utility model discloses in introducing air conditioning system's control logic with the voltage of the speed of a motor vehicle and on-vehicle storage battery, make control logic more reasonable, be favorable to further improving the energy-conserving effect of car, can make the vehicle operation security further improve simultaneously.
(3) The utility model discloses can realize that fuel power automobile still can use the air conditioner when the engine does not start, when the engine is in flameout parking state promptly.
(4) The utility model discloses an electrically driven compressor and air conditioning system have broken away from the rotational speed restriction of belt pulley, have efficient characteristics, and the efficiency ratio can reach more than traditional air conditioning system's the twice, combines the frequency conversion control technique, makes air conditioning system can intelligent regulation compressor's output capacity, has avoided the start-stop consumption of air conditioner, improves the dynamic behavior of vehicle simultaneously.
Drawings
Fig. 1 is a structural diagram of the air conditioning system of the present invention.
As shown in fig. 1, the vehicle-mounted air conditioner comprises a compressor 1, a condenser 2, a condensing fan 3, an evaporator 4, an evaporating fan 5, a throttling element 6, a variable frequency controller 7, a vehicle-mounted storage battery 8, a fuel engine 9, a generator 10, a single-chip microcomputer controller 11, a clutch 12, a rotating speed detection device 13, a storage battery voltage detection device 14, a temperature detection device 15 and a vehicle speed detection device 16.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in fig. 1, the present embodiment provides an automotive air conditioning system, which includes a compressor 1, a condenser 2, a condensing fan 3, an evaporator 4, an evaporating fan 5, a throttling element 6 and a variable frequency controller 7. Wherein, compressor 1, condensation fan 3, evaporation fan 5 and variable frequency controller 7 are connected with on-vehicle storage battery 8's output, and variable frequency controller 7 controls compressor 1, condensation fan 3, evaporation fan 5's operating condition. The input end of the vehicle-mounted storage battery 8 is connected with the output end of the fuel power module.
In the embodiment, the fuel power module comprises a fuel engine 9, a generator 10 and a single-chip microcomputer controller 11, a belt wheel driven clutch 12 is arranged on a driving shaft of the generator 10, a rotating shaft is connected with a belt wheel of the clutch 12 through a transmission belt for transmission, the clutch 12 is an electronic clutch, an output end of the generator 10 is connected with an input end of a vehicle-mounted storage battery 8, and the clutch 12 is controlled by the single-chip microcomputer controller 11 to pull in or release to charge or stop charging the vehicle-mounted storage battery 8.
The fuel power module further comprises a rotation speed detection device 13 for detecting the rotation speed of the engine, and the rotation speed detection device 13 can be a rotation speed sensor which is independently arranged on the fuel engine 9, and can also directly obtain an engine rotation speed signal from the vehicle. The rotating speed detection device 13 is connected with the singlechip controller 11 through a lead. The single chip microcomputer controller 11 is provided with a power generation control module, the rotating speed detection device 16 transmits a detected real-time rotating speed value to the single chip microcomputer controller 11, the single chip microcomputer controller 11 is electrically connected with a wiring terminal of the clutch 12 through a conducting wire, and the power generation control module of the single chip microcomputer controller 11 determines whether the clutch 12 is attracted or separated according to a received rotating speed electric signal of the fuel engine 9, so that charging or stopping charging of the vehicle-mounted storage battery 8 is realized.
The power generation control module stores a lowest set rotating speed Ss in advance, controls the clutch 12 to attract and charge the vehicle-mounted storage battery 8 when the rotating speed S of the engine is equal to or greater than the lowest set rotating speed Ss, and controls the clutch 12 to disengage and stop charging the vehicle-mounted storage battery 8 when the rotating speed S of the engine is less than the lowest set rotating speed Ss.
Specifically, the fuel engine 9 is normally started and operated, the rotation speed detection device 13 detects the rotation speed of the fuel engine 9 in real time and feeds detected real-time data back to the single chip microcomputer controller 11, the single chip microcomputer controller 11 controls the clutch 12 of the generator 10 according to received rotation speed signals, the clutch 12 is in an initial disengagement state in an initial state, the fuel engine 9 drives a belt pulley of the clutch 12 to idle, and the generator 10 does not work.
When the rotating speed of the fuel engine 9 reaches the lowest set rotating speed Ss, the lowest set rotating speed Ss is set according to different fuel engines 9, preferably the lowest set rotating speed Ss is between 1500-2000 rpm, a power generation control module of the single chip microcomputer controller 11 sends a signal to the clutch 12 to control the clutch 12 to be attracted, the fuel engine 9 drives the generator 10 to rotate through a belt pulley of the clutch 12, and the generator 10 works to charge the vehicle-mounted storage battery 8. When the rotating speed of the fuel engine 9 is less than the lowest set rotating speed Ss, the power generation control module of the single chip microcomputer controller 11 sends a stop signal to the clutch 12 to control the clutch 12 to be disengaged, the fuel engine 9 drives the belt pulley of the clutch 12 to idle, the generator 10 stops working, and the vehicle-mounted storage battery 8 is not charged any more.
The fuel engines 9 each have a high efficiency speed interval below or above which the combustion efficiency of the engine decreases, and therefore, in addition to the above-described lowest set speed Ss, there may be provided a highest set speed Ssg, the lowest set speed Ss and the highest set speed Ssg forming the speed interval, and the highest set speed Ssg may be between 4000-. The power generation control module controls the rotating speed of the fuel engine 9 to charge the vehicle-mounted storage battery 8 when the rotating speed enters a rotating speed interval, and the vehicle-mounted storage battery 8 stops being charged when the vehicle-mounted storage battery leaves a rotating speed area.
The fuel engine 9 is controlled to be closed by the clutch 12 only when in a high-speed and high-efficiency time period, the vehicle-mounted storage battery 8 is charged through the generator 10, the fuel engine 9 is in a low-speed and low-efficiency time period, the clutch 12 is disengaged, and the generator 10 stops charging the vehicle-mounted storage battery 8. The fuel engine 9 is charged only at the highest efficiency stage, so that the maximum energy-saving effect is achieved, and the problems of increased oil consumption, energy waste and environmental pollution caused by charging at a low speed and a low efficiency period are avoided.
In the embodiment, the fuel power module is also provided with a storage battery voltage detection device 14 which is directly connected with the vehicle-mounted storage battery 8, detects the voltage value of the vehicle-mounted storage battery 8 in real time and feeds the voltage value back to the singlechip controller 11. The single chip microcomputer controller 11 is provided with a voltage monitoring module which is connected with the storage battery voltage detection device 14, and the voltage monitoring module stores the lowest protection voltage in advance. When the vehicle-mounted storage battery 8 is lower than the lowest protection voltage, no matter how many rotating speeds of the fuel engine 9, the clutch 12 is controlled to be forcibly attracted, and the generator 10 charges the vehicle-mounted storage battery 8 at all time, so that the safe electric quantity of the vehicle-mounted storage battery 8 is ensured, and the use safety of a vehicle is ensured.
When the rated voltage of the vehicle-mounted storage battery 8 is 12V, the lowest protection voltage can be set to be 10.5V, namely when the voltage of the vehicle-mounted storage battery 8 is smaller than 10.5V, no matter how much the rotating speed of the fuel engine 9 is, the single chip microcomputer controller 11 sends a suction signal to the clutch 12 at the moment, and the generator 10 starts to generate electricity, so that the electric quantity of the storage battery is sufficient, and the electric quantity in the storage battery is sufficient for starting the vehicle after the vehicle stops.
Since the lowest voltage values of the storage batteries for starting the vehicle are different when the outdoor temperatures are different, the voltage value can also be set according to the outdoor temperature, when the outdoor temperature is more than or equal to 20 ℃, the set voltage Vs is set to be 10V, and when the outdoor temperature is less than 20 ℃, the set voltage Vs is set to be 10.5V. When the rated voltage of the vehicle-mounted battery 8 is 24V or 48V, the lowest protection voltage is set according to the actual measurement result.
In this embodiment, the frequency conversion controller 7 has a temperature control module, a vehicle speed monitoring module, and a battery voltage monitoring module (not shown), which are respectively connected to the temperature detection device 15, the vehicle speed detection device 16, and the battery voltage detection device 14.
The temperature control module is used for controlling the working states of the compressor 1 and the condensing fan 3 according to the area range of the difference value between the temperature T and the set temperature Ts in the carriage. The vehicle speed monitoring module is used for controlling the working state of the condensing fan 3 according to the region range of the vehicle speed. The storage battery voltage monitoring module is used for controlling the working state of the compressor 1 according to the area range of the voltage of the vehicle-mounted storage battery 8. The compressor 1 is an electrically driven compressor, and preferably an electric vortex frequency conversion compressor, and the condensing fan 3 and the evaporating fan 5 are preferably direct current brushless fans.
The temperature T in the compartment is obtained by a temperature detection device 15 installed in the compartment, and the temperature detection device 15 is a temperature sensor and can be installed at an air return port of the compartment. The temperature control module in the frequency conversion controller 7 acquires the detection data of the temperature sensor in real time and compares the detection data with a preset set temperature Ts, the set temperature Ts is set by a passenger through operating the control panel, and the temperature control module controls the working states of the compressor 1 and the condensing fan 3 according to the comparison result.
The control method of the air conditioner specifically comprises the following steps:
s1, detecting the temperature T in the compartment, controlling the compressor 1 and the condensing fan 3 to work according to a rapid cooling mode when the difference delta T between the temperature T in the compartment and the set temperature Ts is larger than or equal to a first set temperature difference delta Ts1, namely the delta T is larger than or equal to delta Ts 1.
The compressor 1 and the condensing fan 3 are controlled to work at the highest rotating speed in the optimized rapid cooling mode, and the compressor 1 outputs the maximum cooling capacity at the moment so as to rapidly cool the vehicle at the initial starting stage when the temperature in the vehicle compartment is higher, thereby improving the comfort level of passengers in the vehicle compartment.
In the present embodiment, the first set temperature difference Δ Ts1 is preferably set to 10 ℃.
And S2, when the difference value delta T between the temperature T in the carriage and the set temperature Ts is smaller than a first set temperature difference delta Ts1 and larger than or equal to a second set temperature difference delta Ts2, controlling the compressor 1 and the condensing fan 3 to work in a constant-speed cooling mode.
Preferably, the uniform cooling mode is adopted to control the compressor 1 to work at the rotating speed, the condensing fan 3 still works at the highest rotating speed, the temperature in the carriage enters a state of maintaining balance at the moment, and the uniform cooling mode is favorable for the refrigerant to pass through the evaporator 4 and the condenser 2 at a small flow rate in a continuous state, so that the heat exchange capacity of the evaporator 4 and the condenser 2 is fully exerted, and the air conditioning system is in the optimal efficiency working state. Meanwhile, the constant-speed continuous cooling is adopted to the set temperature, so that the comfort in the carriage is better promoted.
And S3, when the difference value delta T between the temperature T in the carriage and the set temperature Ts is smaller than a second set temperature difference delta Ts2, controlling the compressor 1 and the condensing fan 3 to work according to a heat preservation mode.
Preferably, in the heat preservation mode, the compressor 1 is controlled to operate at the lowest rotation speed, for example, the lowest rotation speed of the compressor 1 is 1000rpm, and the condensing fan 3 is controlled to work at a reduced rotation speed, so as to achieve the heat preservation effect with the minimum consumption.
In this embodiment, the second set temperature difference Δ Ts2 is preferably set to 0 ℃ or 1 ℃, that is, when the temperature T in the vehicle cabin reaches the set temperature Ts or is higher than the set temperature by 1 ℃, the compressor 1 is controlled to operate at the lowest rotation speed, and the compressor 1 outputs the lowest cooling capacity.
In step S2, the controlling the compressor 1 to reduce the rotation speed specifically includes:
dividing the difference value between the first set temperature difference delta Ts1 and the second set temperature difference delta Ts2 into a plurality of temperature areas, and controlling the rotating speed of the compressor 1 in each temperature area to decrease according to the set proportion of the highest rotating speed. The temperature difference of each temperature zone is equal or gradually reduced, and the reduction ratio of the compressor rotating speed of each temperature zone is equal or gradually reduced.
In order to simplify the control logic, in this embodiment, it is preferable that the difference between the first set temperature difference Δ Ts1 and the second set temperature difference Δ Ts2 is divided into two temperature regions, the middle value between the two temperature regions is 5 ℃, the first temperature region is 10 ℃ to 5 ℃, the second temperature region is 5 ℃ to 0 ℃ or 1 ℃, the rotation speed of the compressor 1 is controlled to be 60% of the maximum rotation speed in the first temperature region, and the rotation speed of the compressor 1 is controlled to be 30% of the maximum rotation speed in the second temperature region.
In the above step S3, the condensing fan 3 is controlled to operate at a reduced rotation speed, specifically, the condensing fan 3 is controlled to operate at a set ratio of the maximum rotation speed, preferably, the set ratio is 50%, and in this step, the condensing fan is controlled to operate at only 50% of the maximum rotation speed.
In this embodiment, the vehicle speed is introduced into the control logic, the step of obtaining the vehicle speed is added, the vehicle speed monitoring module arranged in the frequency conversion controller 7 is connected with the vehicle speed detection device 16, the vehicle speed monitoring module collects data of the vehicle speed detection device 16, and controls the working state of the condensing fan 3 according to the vehicle speed, the collection of the vehicle speed can be collected in real time or periodically, and the collection is performed once every fixed time, specifically including:
when the vehicle speed S is greater than or equal to the first set vehicle speed Ss1, the condensation fan 3 is controlled to stop operating. Preferably, the first set vehicle speed Ss1 is set to 80 km/h. When the speed of a motor vehicle reaches certain speed, utilize the natural wind when the vehicle is high-speed to advance can satisfy the heat transfer demand of condenser, stop condensing fan 3 and can reduce the power consumption of on-vehicle storage battery 8 by a wide margin, and then be favorable to reducing fuel consumption.
In order to avoid frequent start and stop of the condensing fan 3, the vehicle speed monitoring module further comprises a time control unit, when the vehicle speed S is greater than or equal to the first set vehicle speed Ss1 for a set time, the condensing fan 3 is controlled to stop, and when the vehicle speed S is less than the first set vehicle speed Ss1 for a set time, the condensing fan 3 is controlled to start. The set time may be set to 10 seconds to 30 seconds.
When the vehicle speed S is less than the first set vehicle speed Ss1 and greater than or equal to the second set vehicle speed Ss2, the rotation speed of the condensation fan 3 in the above steps S1 and S2 is controlled to be operated at a reduced set ratio, respectively, the rotation speed of the condensation fan 3 in the above step S3 is controlled to be operated at a reduced set ratio, or directly stopped.
Preferably, the second set vehicle speed Ss2 is set to 30km/h, the set proportion is 50% of the maximum rotation speed, and in the process, the condensing fan 3 works according to 50% of the maximum rotation speed, so that the heat exchange requirement of the condenser 2 can be met, and the power consumption of the vehicle-mounted storage battery 8 can be reduced.
In the embodiment, the battery voltage is introduced into the control logic, the battery voltage acquisition step is included, and the rotating speed of the compressor 1 is controlled according to the voltage of the vehicle-mounted battery 8. The storage battery voltage monitoring module arranged in the frequency conversion controller 7 is connected with the storage battery voltage detection device 14, the storage battery voltage monitoring module collects data of the storage battery voltage detection device 14 and controls the working state of the compressor 1 according to the storage battery voltage, the collection of the storage battery voltage can be collected in real time or periodically and is collected once every fixed time, the frequency conversion controller specifically comprises,
when the voltage V of the vehicle-mounted battery 8 is greater than or equal to the first set voltage Vs1, controlling the compressor 1 to work according to the modes set in the steps S1, S2 and S3; when the voltage V of the vehicle-mounted battery 8 is smaller than the first set voltage Vs1 and is greater than or equal to the second set voltage Vs2, controlling the rotation speed of the compressor 1 in the steps S1, S2 and S3 to respectively reduce the set proportion for work; and when the voltage V of the vehicle-mounted battery 8 is smaller than a second set voltage Vs2, controlling the compressor 1 to stop. The second set voltage Vs2 may be the lowest protection voltage of the vehicle-mounted battery 8, or may be slightly higher than the lowest protection voltage.
In this embodiment, preferably, when the rated voltage of the in-vehicle battery 8 is 48V, the first set voltage Vs1 is set to 44V, and the second set voltage Vs2 is set to 38V. When the voltage V of the on-vehicle battery 8 is less than 44V and greater than or equal to 38V, the set proportion of the reduction in the rotational speed of the compressor 1 is 70% of the maximum rotational speed. When the voltage of the 48V storage battery is lower than 38V, the battery protection is started, the compressor 1 cannot be started, and the air conditioner cannot be used.
An air door actuator (not shown in the figure) is installed on an evaporation fan 5 of the air conditioning system, the air door actuator is connected with a variable frequency controller 7, and the opening degree of an air door is controlled by the variable frequency controller 7 so that the air door can be opened at different angles to adjust the air inlet quantity. The air door actuator is preferably adopted for the outer circulation air door, the inner circulation and the outer circulation can be opened simultaneously by adjusting the opening degree of the air door, and then the fresh air inlet volume is controlled, so that the freshness of the air can be ensured, and the temperature in the vehicle can be well maintained.
The utility model has the advantages of as follows:
(1) the utility model provides an air conditioning system is arranged in fuel power automobile, utilize on-vehicle storage battery as the power supply of each equipment of air conditioner, and carry out frequency conversion regulation to compressor and fan, it utilizes the fuel to realize refrigerated purpose as power to change air conditioning system in original traditional car, not only can simplify the air conditioning system structure, make air conditioning system efficiency improve simultaneously, be favorable to further promoting energy-concerving and environment-protective effect, can make air conditioning system's oil consumption reduce to below 15%, energy saving and emission reduction effect is showing and is having better economic benefits and social.
(2) The utility model discloses in introducing air conditioning system's control logic with the voltage of the speed of a motor vehicle and on-vehicle storage battery, make control logic more reasonable, be favorable to further improving the energy-conserving effect of car, can make the vehicle operation security further improve simultaneously.
(3) The utility model discloses an electrically driven compressor and air conditioning system have broken away from the rotational speed restriction of belt pulley, have efficient characteristics, and the efficiency ratio can reach more than traditional air conditioning system's the twice, combines the frequency conversion control technique, makes air conditioning system can intelligent regulation compressor's output capacity, has avoided the start-stop consumption of air conditioner, improves the dynamic behavior of vehicle simultaneously.
(4) The utility model discloses can realize that fuel power automobile still can use the air conditioner when the engine does not start, when the engine is in flameout parking state promptly.
(5) The utility model discloses only when fuel engine is in high-speed, high efficiency period, the generator just generates electricity and charges for on-vehicle storage battery, for the electric drive compressor provides economic electric energy, the engine is not to on-vehicle storage battery charging in low-speed low efficiency period, and oil consumption can be reduced by a wide margin, makes vehicle air conditioner's operation ability oil consumption reduction, improves fuel utilization efficiency, and energy saving and emission reduction effect is showing.
(6) The utility model provides an air conditioner evaporation fan and condensation fan all adopt the brushless fan of direct current, can save energy more than 30% than two fans among the comparable prior art altogether.
Similar solutions can be derived from the solution given in the figures, as described above. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention are still within the scope of the technical solution of the present invention.
Claims (10)
1. An automotive air conditioning system characterized by: the air conditioning system is connected with the output end of the vehicle-mounted storage battery, and the input end of the vehicle-mounted storage battery is connected with the output end of the fuel power module.
2. An automotive air conditioning system according to claim 1, characterized in that: the air conditioning system comprises a compressor, a condenser, an evaporator, a condensing fan, an evaporating fan, a throttling element and a variable frequency controller, wherein the compressor, the condensing fan, the evaporating fan and the variable frequency controller are connected with the output end of the vehicle-mounted storage battery, and the variable frequency controller controls the working states of the compressor, the condensing fan and the evaporating fan.
3. An automotive air conditioning system according to claim 2, characterized in that: the compressor is an electric vortex variable frequency compressor.
4. An automotive air conditioning system according to claim 2, characterized in that: the evaporation fan and the condensation fan are direct-current brushless fans.
5. An automotive air conditioning system according to claim 2, characterized in that: the variable frequency controller is provided with a temperature control module which is connected with the temperature detection device, and the temperature control module is used for controlling the working states of the compressor and the condensing fan according to the area range of the difference value between the temperature in the carriage and the set temperature.
6. An automotive air conditioning system according to claim 2, characterized in that: the variable frequency controller is provided with a storage battery voltage monitoring module which is connected with the storage battery voltage detection device, and the storage battery voltage monitoring module is used for controlling the working state of the compressor according to the area range where the storage battery voltage is located.
7. An automotive air conditioning system according to claim 2, characterized in that: the variable frequency controller is provided with a vehicle speed monitoring module which is connected with the vehicle speed detection device and used for controlling the working state of the condensation fan according to the area range of the vehicle speed.
8. An automotive air conditioning system according to claim 1, characterized in that: the fuel power module comprises a fuel engine, a generator and a single chip microcomputer controller, a clutch is arranged between the engine and the generator, the output end of the generator is connected with the input end of the vehicle-mounted storage battery, and the clutch is controlled by the single chip microcomputer controller to pull in or release to charge or stop charging the vehicle-mounted storage battery.
9. An automotive air conditioning system according to claim 8, characterized in that: the single chip microcomputer controller is provided with a power generation control module which is connected with the engine rotating speed detection device, the lowest set rotating speed is stored in the power generation control module in advance, the clutch is controlled to be attracted to charge the vehicle-mounted storage battery when the rotating speed of the engine is equal to or greater than the lowest set rotating speed, and the clutch is controlled to be disengaged to stop charging the vehicle-mounted storage battery when the rotating speed of the engine is less than the lowest set rotating speed.
10. An automotive air conditioning system according to claim 8, characterized in that: the single-chip microcomputer controller is provided with a voltage monitoring module which is connected with the storage battery voltage detection device, the voltage monitoring module stores the lowest protection voltage in advance, and when the voltage of the vehicle-mounted storage battery reaches the lowest protection voltage, the clutch is controlled to pull in to charge the vehicle-mounted storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021682792.2U CN212604379U (en) | 2020-08-13 | 2020-08-13 | Automobile air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021682792.2U CN212604379U (en) | 2020-08-13 | 2020-08-13 | Automobile air conditioning system |
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| Publication Number | Publication Date |
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| CN212604379U true CN212604379U (en) | 2021-02-26 |
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Family Applications (1)
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| CN202021682792.2U Active CN212604379U (en) | 2020-08-13 | 2020-08-13 | Automobile air conditioning system |
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| CN (1) | CN212604379U (en) |
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2020
- 2020-08-13 CN CN202021682792.2U patent/CN212604379U/en active Active
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