CN108638789A - A kind of Air conditioner on car voltage detecting control method and Air conditioner on car - Google Patents
A kind of Air conditioner on car voltage detecting control method and Air conditioner on car Download PDFInfo
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- CN108638789A CN108638789A CN201810476303.9A CN201810476303A CN108638789A CN 108638789 A CN108638789 A CN 108638789A CN 201810476303 A CN201810476303 A CN 201810476303A CN 108638789 A CN108638789 A CN 108638789A
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- 238000000034 method Methods 0.000 title claims description 38
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 9
- 230000000977 initiatory effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 11
- 238000004378 air conditioning Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
Classifications
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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
-
- 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
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
-
- 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
- B60H1/00978—Control systems or circuits characterised by failure of detection or safety means; Diagnostic methods
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Air conditioner on car powers on, and whether judgement supply voltage meets service condition；If satisfied, then sampling environment inside car temperature；Judge whether the environment inside car temperature meets entry condition；If satisfied, then exporting startup control signal to outdoor drive module, compressor start；Judge the temperature gear section belonging to environment inside car temperature, and export corresponding gear control signal, compressor works according to the corresponding frequency of gear control signal；Determine whether to meet whether halt condition, supply voltage meet protective condition；If satisfied, then exporting shutdown control signal to outdoor drive module, outdoor drive module drives compressor shutdown.A kind of Air conditioner on car is also disclosed simultaneously.The present invention improves the cruising ability of Air conditioner on car, forms good protection to Air conditioner on car, reduces the probability for communication failure occur, improve the practicability of Air conditioner on car.
Description
Technical field
The present invention relates to apparatus of air conditioning technical field more particularly to a kind of Air conditioner on car voltage detecting control method and
Air conditioner on car.
Background technology
Air conditioner on car refers to the air-conditioning used when stop-for-waiting and rest, is typically mounted on truck and cargo, department
Machine can use in driving over a long distance.Traditional Air conditioner on car includes following several forms：The first is to pass through diesel-driven generator
Compressor operating is driven, is further recycled in the refrigeration system of sealing by driven compressor refrigerant, diesel-driven generator is adopted
Use water as cooling medium；Second same still by diesel-driven generator driving compressor operating, but uses the sky of flowing
Gas is as cooling medium；The third is to drive compressor operating by gasoline engine generator；4th kind drives pressure by DC power supply
Contracting machine is run.
It is not difficult to find out, in first three mode, is required to fuel oil as a source of power, therefore, the Air conditioner on car of operation will
The oil consumption of vehicle can be obviously increased.Moreover, water is either used still to use air as cooling medium, generator as cooling medium
The service life of itself is difficult to meet actual use needs, and maintenance cost is higher.If being negligent of safeguarding, generator can be also caused
Irreversible damage.And the above problem can be efficiently solved using DC power supply as a source of power, Chinese patent application《One
Kind automobile and its Air conditioner on car system》（Authorization Notice No. CN206374503U）In disclose a kind of Air conditioner on car system of automobile
System, Air conditioner on car system " including be set on car body, by being driven independently of the energy except engine and for interior ring
The air-conditioning device that border is adjusted into trip temperature." above-mentioned patent application further discloses following technology contents, referring to specification
[0031] section " also adds temperature detecting module ... for detecting environment inside car temperature, to combine the required temperature of setting operation
Degree carries out comprehensive descision with vehicle interior temperature, and then is modified to the output power regulated value of air-conditioning device.”
In technical solution disclosed in above-mentioned patent, due to needing that the required temperature of setting operation is combined to be carried out with vehicle interior temperature
Comprehensive descision, and then the output power of air-conditioning device, especially compressor output power regulated value are modified, that is to say, that
It needs to correct a variable repeatedly, so needing setting one for controlling compressor output power in outdoor unit
Control module, it is also necessary to which a drive module for driving compressor, wind turbine and other cooling modules, indoor control are set
Module and outdoor control module use the feedback controling mode of two-way communication.On the one hand the control cost of equipment is increased, separately
On the one hand, since the running environment of Air conditioner on car is unstable, control module may need long-term work in a humid environment, hair
The possibility of raw communication failure is very high.And communication failure once occurs, a complicated flow ability is needed in the prior art
Determine fault point and repair, actual use it is ineffective.
Invention content
The invention discloses a kind of control methods of Air conditioner on car, it is intended to improve cruising ability and the practicality of Air conditioner on car
Property.
A kind of Air conditioner on car voltage detecting control method, it is characterised in that：Include the following steps：
Air conditioner on car powers on, and indoor control module samples supply voltage and judges whether the supply voltage meets service condition；
The wherein described service condition is：The supply voltage is more than low-voltage variation setting value and is less than high-pressure stop setting value；
If meeting the service condition, indoor control module samples environment inside car temperature；
Indoor control module judges whether the environment inside car temperature meets entry condition；If meeting the entry condition, room
Interior control module is exported by the first signal path starts control signal to outdoor drive module, outdoor drive module driving compression
Machine starts；
Indoor control module judges the temperature gear section belonging to the environment inside car temperature, and is exported by second signal access
Corresponding gear control signal to outdoor drive module, outdoor drive module drives compressor according to the gear control signal pair
The frequency work answered；
Indoor control module judges whether the environment inside car temperature meets halt condition, whether the judgement supply voltage meets
Protective condition；The wherein described protective condition is：The supply voltage is more than high-pressure stop setting value or is set less than low-voltage variation
Value；If the environment inside car temperature meets halt condition or supply voltage meets protective condition, the interior control module is logical
It crosses the first signal path and exports shutdown control signal to outdoor drive module, outdoor drive module drives compressor shutdown.
Further, further comprising the steps of：
The interior control module sampling set temperature simultaneously calls at least one reference temperature；
The interior control module calculates set temperature and the reference temperature and value；
The indoor control module setting is described and value is under higher temperature gear section in continuous two temperature gears section
Threshold value is limited, and sets upper limit threshold described and that value is lower temperature gear section in continuous two temperature gears section.
Further, the indoor control module samples the set temperature and calls the first reference temperature；
The interior control module calculates the set temperature and first reference temperature and value；
The lower threshold that the interior control module setting is described and value is the first temperature gear section, is second temperature gear area
Between upper limit threshold；
When the environment inside car temperature belongs to the first temperature gear section, the interior control module passes through second signal
Access exports the first level signal to outdoor drive module, and the outdoor drive module drives compressor according to first frequency work
Make；When the environment inside car temperature belongs to second temperature gear section, the interior control module passes through second signal access
Second electrical level signal is exported to outdoor drive module, the outdoor drive module driving compressor works according to second frequency；Its
Described in first frequency be higher than second frequency.
Further, further comprising the steps of：
The interior control module sampling set temperature simultaneously calls the second reference temperature；
The interior control module calculates the difference of the set temperature and second reference temperature；
The interior control module sets the difference as the lower threshold in second temperature gear section.
Further, further comprising the steps of：
The interior control module sampling set temperature simultaneously calls third reference temperature；
The interior control module calculates the difference of the set temperature and the third reference temperature；
The interior control module sets the difference of the set temperature and third reference temperature as the lower limit of the entry condition
Threshold value, and the difference of the set temperature and third reference temperature is set as the upper limit threshold of the halt condition；
The third reference temperature is less than or equal to the second reference temperature.
Further, if the environment inside car temperature meets the entry condition, in the interior control module
First timer initiation, when the timing parameter of first timer reaches the first duration, the interior control module passes through
The output of first signal path starts control signal to outdoor drive module.
Further, if the supply voltage is more than high-pressure stop setting value, the second meter in indoor control module
When device start, when the timing parameter of second timer reaches the second duration, it is described interior control module with described second
The intervals Shi Changwei continuously export multiple alarm for high voltage signal and generate off signal.
Further, if the supply voltage is less than low-voltage variation setting value, indoor control module judges the power supply
Whether voltage is more than low pressure and ends setting value；If supply voltage is more than low pressure and ends setting value, the third in indoor control module
Timer initiation, when the timing parameter of the third timer reaches third duration, indoor control module passes through the first signal
Access exports shutdown control signal to outdoor drive module, and outdoor drive module drives compressor shutdown；Indoor control module is sentenced
Determine whether supply voltage is more than recovery setting voltage, restores setting voltage and the third timer when the supply voltage is more than
Timing parameter when being more than protection duration, if the environment inside car temperature meets entry condition again, indoor control module is logical
It crosses the output of the first signal path and starts control signal to outdoor drive module, outdoor drive module driving compressor is again started up.
Further, when the timing parameter of the third timer reaches third duration and supply voltage is cut less than low pressure
Only when setting value, indoor control module generates off signal；If indoor control module receives starting-up signal again, first
Judge whether the supply voltage is more than the low pressure and ends setting value, ends setting value if more than the low pressure, then judge institute
It states whether supply voltage is more than the recovery voltage, restores setting voltage and the third timer when the supply voltage is more than
Timing parameter when being more than protection duration, if environment inside car temperature meets entry condition again, indoor control module passes through the
The output of one signal path starts control signal to outdoor drive module, and outdoor drive module driving compressor is again started up；If institute
It states supply voltage and ends setting value less than the low pressure, then indoor control module generates off signal again.
Disclosed Air conditioner on car voltage detecting control method through the invention, the compressor of Air conditioner on car can be according to not
It is operated in different stalls with operating mode so that Air conditioner on car has both fast response time and energy-saving and environment-friendly purpose, improves DC power supply
Cruising ability, meanwhile, control module is no longer set in outdoor unit, and indoor control module and outdoor drive module are unidirectionally led to
Letter, considerably reduces the probability of happening of communication failure so that the maintenance cycle of Air conditioner on car and the service life is longer, practicability
More preferably.
A kind of Air conditioner on car is also disclosed simultaneously, using Air conditioner on car voltage detecting control method, Air conditioner on car voltage detecting
Control method includes the following steps：
Air conditioner on car powers on, and indoor control module samples supply voltage and judges whether the supply voltage meets service condition；
The wherein described service condition is：The supply voltage is more than low-voltage variation setting value and is less than high-pressure stop setting value；
If meeting the service condition, indoor control module samples environment inside car temperature；
Indoor control module judges whether the environment inside car temperature meets entry condition；If meeting the entry condition, room
Interior control module is exported by the first signal path starts control signal to outdoor drive module, outdoor drive module driving compression
Machine starts；
Indoor control module judges the temperature gear section belonging to the environment inside car temperature, and is exported by second signal access
Corresponding gear control signal to outdoor drive module, outdoor drive module drives compressor according to the gear control signal pair
The frequency work answered；
Indoor control module judges whether the environment inside car temperature meets halt condition, whether the judgement supply voltage meets
Protective condition；The wherein described protective condition is：The supply voltage is more than high-pressure stop setting value or is set less than low-voltage variation
Value；If the environment inside car temperature meets halt condition or supply voltage meets protective condition, the interior control module is logical
It crosses the first signal path and exports shutdown control signal to outdoor drive module, outdoor drive module drives compressor shutdown.
Air conditioner on car disclosed in this invention has the advantages that practicability is good.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the flow chart of the first specific embodiment of Air conditioner on car voltage detecting control method disclosed in this invention；
Fig. 2 is the step flow chart that temperature gear section is generated in Air conditioner on car voltage detecting control method disclosed in Fig. 1；
Fig. 3 is a kind of step flow chart of alarm and protection in the Air conditioner on car voltage detecting control method disclosed in Fig. 1；
Fig. 4 be Fig. 1 disclosed in Air conditioner on car voltage detecting control method in the first compressor protection step flow chart；
Fig. 5 be Fig. 1 disclosed in Air conditioner on car voltage detecting control method in second of compressor protection step flow chart；
Fig. 6 is the structural schematic block diagram of Air conditioner on car disclosed in this invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
It is a kind of flow of specific embodiment of Air conditioner on car voltage detecting control method disclosed in this invention as shown in Figure 1
Figure.Air conditioner on car is powered using 24V DC power supplies, i.e. storage battery power supply.Air conditioner on car receives remote controler, mobile terminal or man-machine
The power-on instruction and booting that interactive interface generates are in standby, as shown in Figure 1, Air conditioner on car voltage disclosed in this invention
Detection control method specifically includes following steps：
Step S100, Air conditioner on car power on, and indoor control module samples supply voltage, and further determine whether supply voltage is full
Sufficient service condition.Wherein, service condition is：The supply voltage is more than low-voltage variation setting value and is set less than high-pressure stop
Value.Low-voltage variation setting value and high-pressure stop setting value are obtained by professional based on many experiments, for the sky of different model
Device is adjusted, low-voltage variation setting value and high-pressure stop setting value are different.Low-voltage variation setting value and high-pressure stop setting value with
The form of fixed value is stored and is called at any time for indoor control module.When meeting service condition, Air conditioner on car can be in this reality
Apply normal operation under the control method disclosed in example.Preferably, when supply voltage meets service condition and state for 5 seconds
Under, indoor control module is just judged to meeting service condition, avoids misinterpretation caused by voltage fluctuation.
Step S101, when meeting service condition, indoor control module samples environment inside car temperature.For detecting interior ring
The temperature sensor of border temperature is preferably provided on the return air inlet of Air conditioner on car indoor unit.Indoor control module is according to sampling
Environment inside car temperature determines whether the compressor of Air conditioner on car meets entry condition.Entry condition can be according to Air conditioner on car
Model, and specific operating mode after being installed on vehicle is configured.Wherein, indoor control module is a MCU.
Step S102, if the environment inside car temperature sampled meets entry condition, indoor control module passes through first
Signal path output starts control signal to outdoor drive module.Outdoor drive module is driven after receiving startup control signal
Dynamic compressor start.Outdoor drive module can be IPM (Intelligent Power Module), i.e., intelligent power controls
Module and its peripheral circuit can also be similar driving circuit or driving chip, be not limited thereto.
Step S103, after outdoor drive module drives compressor start, indoor control module further determines environment inside car
Temperature gear section belonging to temperature.Temperature gear section can be according to the model of Air conditioner on car, and is installed on vehicle
Specific operating mode after finishing is configured.Each temperature gear section corresponds to an independent gear control signal, when outdoor drive
It is automatic to drive compressor according to gear control signal pair after dynamic model block receives the gear control signal from indoor control module
The frequency operation answered.
Step S104, after determining the temperature gear section belonging to environment inside car temperature, indoor control module passes through
Binary signal access exports corresponding gear control signal to outdoor drive module；Outdoor drive module drives compressor according to gear
The corresponding frequency work of signal is controlled, and maintains corresponding frequency and remains unchanged.
On the one hand step S1051, in the process of running, indoor control module continue to judge whether environment inside car temperature is full
Sufficient halt condition.Similar, halt condition can also be according to the model of Air conditioner on car, and the tool after being installed on vehicle
Body operating mode is set.
Step S1052, in the process of running, on the other hand whether judgement supply voltage meets protection to indoor control module
Condition.Wherein, the protective condition is：The supply voltage is more than high-pressure stop setting value or is less than low-voltage variation setting value.
When supply voltage is more than high-pressure stop setting value, it may so that the device on the motor or circuit in Air conditioner on car can not be just
Often work, further results in irreversible damage.And when supply voltage is less than low-voltage variation value, the normal operation of Air conditioner on car
It will be affected.
Step S106, if environment inside car temperature meets halt condition or supply voltage meets protective condition, indoor control
Module exports shutdown control signal to outdoor drive module by the first signal path.
Step S107, outdoor drive module control compressor shutdown after receiving shutdown control signal.
Disclosed Air conditioner on car voltage detecting control method, Air conditioner on car are operated in perfect protection machine through the invention
Under system, compressor can be operated in different stalls according to different operating modes so that Air conditioner on car has both fast response time and energy-saving ring
The purpose of guarantor improves the cruising ability of DC power supply, meanwhile, control module, indoor control module are no longer set in outdoor unit
With outdoor drive module one-way communication, the probability of happening of communication failure is considerably reduced so that the maintenance cycle of Air conditioner on car
With the service life is longer, practicability is more preferable.
In order to adapt to the actual demand of different operating modes and user, optimization Air conditioner on car start/stop of compressor and operation range, with
It is lower to introduce suitable for above-mentioned control method, the method in preferred set temperature gear section.
Specifically, at least one reference temperature is stored in Air conditioner on car.Reference temperature can be an empirical value, but
Preferably, reference temperature can be obtained based on big data according to the operation of different automobile types, different geographic factors and use environment.Room
Interior control module can call the reference temperature at any time.
User inputs set temperature to indoor control by remote controler, mobile terminal, man-machine interactive interface according to actual needs
Molding block.Indoor control module sets multiple continuous temperature gear sections, each temperature gear section according to set temperature
It is corresponding with a corresponding gear control signal.The corresponding compressor operating frequency of multiple gear control signals and temperature gear area
Between be a monotonic relationshi.That is, when the threshold value in temperature gear section is higher, compressor operating frequency is higher.
Indoor control module calculates set temperature and reference temperature and value.Indoor control module will further be set with value
For the lower threshold in higher temperature gear section in continuous two temperature gears section, and it is continuous two temperature to set described and value
Spend the upper limit threshold in lower temperature gear section in gear section.
As shown in Fig. 2, for setting two temperature gear sections, specifically, control method is further comprising the steps of：
Step S1040, indoor control module sample set temperature and call the first reference temperature.
Step S1041, indoor control module calculates set temperature and the first reference temperature and value.
Step S1042, indoor control module setting is described and value is the lower threshold in the first temperature gear section, and sets
Upper limit threshold described and that value is second temperature gear section.That is, if the environment inside car temperature is higher than the first temperature
The lower threshold for spending gear section, then belong to the first temperature gear section.And if the environment inside car temperature is less than the second temperature
It spends the upper limit threshold in gear section and meets entry condition, then belong to second temperature gear section.In this way, due to setting
Constant temperature degree is set according to the use demand of user, so the first temperature gear section, second temperature gear section is also root
Change according to the use demand of user, therefore, operating status and the user demand of compressor formed it is close contact, parking is empty
Tune can realize good refrigeration effect with quick response user demand.
In order to realize that more accurate compressor control, indoor control module also call the second reference temperature.Wherein, the second ginseng
It examines temperature and is less than the first reference temperature.Indoor control module calculates the difference of set temperature and the second reference temperature, and sets institute
State the lower threshold that difference is second temperature gear section.If the environment inside car temperature is less than second temperature gear section
Upper limit threshold and higher than second temperature gear section lower threshold when, then belong to second temperature gear section.Independently set
The lower threshold in second temperature gear section is set, the shadow caused by environment inside car temperature detecting precision deviation can be reduced
It rings, compressor is avoided the case where mistakenly stop machine occur.
Step S1043-1, indoor control module judge that the environment inside car temperature belongs to the first temperature gear section.
Step S1044-1, indoor control module export the first level signal to outdoor driving mould by second signal access
Block.Preferably, the first level signal is high level signal.
Step S1045-1, after the input port of outdoor drive module receives high level signal by second signal access,
Driving compressor works according to first frequency, that is, is operated in high frequency gear.
Similar, in step S1043-2, indoor control module judges that the environment inside car temperature belongs to second temperature shelves
Position section.
Step S1044-2, indoor control module export second electrical level signal to outdoor driving mould by second signal access
Block.Preferably, second electrical level signal is low level signal.
Step S1045-2, after the input port of outdoor drive module receives low level signal by second signal access,
Driving compressor works according to second frequency, and second frequency is less than first frequency, that is, is operated in low frequency gear.
It is understood that if indoor control module calls multiple reference temperatures, can be formed with more gradients
Temperature gear section.When indoor control module judgement environment inside car temperature falls into wherein any one temperature gear section,
Independent gear control signal is then exported by independent signal path, control compressor is run according to corresponding frequency.In this way,
It may be implemented to more accurately control compressor.
Start/stop of compressor is accurately controlled in order to realize, control method is further comprising the steps of：
Indoor control module samples set temperature and calls third reference temperature.
Indoor control module calculates the difference of set temperature and third reference temperature.
The difference of set temperature and third reference temperature is set as the lower threshold of entry condition by indoor control module, and
The difference of set temperature and third reference temperature is set as to the upper limit threshold of halt condition.That is, working as environment inside car temperature
When degree is more than the lower threshold of entry condition, indoor control module passes through the first signal path and exports startup control signal to outdoor
Drive module, outdoor drive module drive compressor start.When environment inside car temperature is less than the upper limit threshold of halt condition, room
Interior control module exports shutdown control signal by second signal access, and outdoor drive module drives compressor shutdown.Preferably,
Third reference temperature is less than the second reference temperature, and the surplus of decision condition is larger, is made to avoid environment inside car temperature detection error
At error starting or mistakenly stop machine.If environment inside car temperature detecting precision is higher, the second reference temperature and third ginseng can also be set
It is equal to examine temperature.Optionally, the first reference temperature is 5 degrees Celsius, and the second reference temperature is 3 degrees Celsius.
It is driven simultaneously when outdoor drive module receives startup control signal to improve the comfort of Air conditioner on car
Outdoor fan starts and is run according to setting speed, and indoor control module drives indoor fan to be run according to setting speed simultaneously.
When outdoor drive module receives shutdown control signal, while outdoor fan being driven to shut down, wind in indoor control module drive chamber
Machine holding is run according to setting speed, and interior comfort is kept while energy saving.
For the protection for forming to compressor, it is preferred that if environment inside car temperature meets entry condition, indoor control mould
First timer initiation in the block.When the first timer reaches first when elongate member, indoor control module passes through the first signal
Access exports starting-up signal to outdoor drive module.Preferably, first when elongate member be 60 seconds.
When supply voltage is unsatisfactory for service condition, in control method disclosed in this invention, Air conditioner on car is provided
A variety of alarms and protection mechanism.It is illustrated in figure 3 a kind of specific steps of alarm mechanism：
Step S200, in the state that Air conditioner on car powers on, indoor control module persistently samples supply voltage and judges power supply electricity
Whether pressure is more than high-pressure stop setting value.
Step S201 when compressor operating, if sampling supply voltage is more than high-pressure stop setting value, illustrates power supply
Voltage is likely to result in motor or part of devices and cannot work, and further results in irreversible damage, in this state, indoor
The second timer initiation in control module.
The timing parameter of step S202, the second timer reach the second duration, and supply voltage is still set more than high-pressure stop
Definite value then says that supply voltage is excessively high, meets protective condition.
Step S203, a length of interval continuously exports multiple alarm for high voltage signal when indoor control module is with second, with prompt
There are failures for operating personnel's Air conditioner on car.
Step S204, to avoid damaging Air conditioner on car, indoor control module, which generates, closes machine control signal, and parking is empty
Shutdown is adjusted, compressor and other functional components are stopped.
Through the above steps, when supply voltage is excessively high, Air conditioner on car is protected.
As shown in figure 4, also providing a kind of protection mechanism of Air conditioner on car, following steps are specifically included：
Step S300, under conditions of Air conditioner on car powers on, indoor control module persistently samples supply voltage and judges power supply electricity
Whether pressure is less than low-voltage variation setting value.
Step S301, when compressor operating, if the supply voltage is less than low-voltage variation setting value, indoor control mould
Block judges whether supply voltage is more than low pressure and ends setting value.Similar with high-pressure stop setting value, low pressure ends setting value also base
It is obtained in many experiments.Low pressure ends setting value and is less than low-voltage variation setting value.
Step S302, if supply voltage is more than low pressure and ends setting value, third timer initiation and third timer
Timing parameter reach third duration.
Step S303, when the timing parameter of third timer reaches third duration, if supply voltage is still more than low
Pressure cut-off setting value, then meet protective condition, and indoor control module exports shutdown control signal to room by the first signal path
Outer drive module.Third duration is preferably set to 5 seconds.
Step S304, outdoor drive module drive compressor shutdown, brownout are avoided to be impacted caused by system.Together
When, control indoor fan is run according to low wind file position, and buzzer or indicator light are run in the form of specific, prompts user's power supply electricity
It presses relatively low.While outdoor drive module drives compressor shutdown, third timer starts timing.
Step S305, indoor control module persistently sample supply voltage, and judge whether supply voltage is more than and restore setting
Voltage.It is similar with low pressure cut-off setting value, restore setting voltage and obtained also based on many experiments, restores setting voltage and may insure
Compressor operating minimum duration（Usually 3 minutes）, avoid high frequent start and stop.Restore setting voltage when supply voltage is more than
When, illustrate that accumulator starts to charge up.Restore setting voltage and is more than low-voltage variation setting value.
Step S306, if supply voltage reaches protection more than the timing parameter for restoring setting voltage and third timer
It is long, then allow compressor to be again started up.Protection duration is preferably set to 3 minutes.
Whether step S307, judgement environment inside car temperature meet entry condition again.
Step S308, if environment inside car temperature meets entry condition again, indoor control module passes through the first signal
Access output starts control signal to outdoor drive module.
Step S309, outdoor drive module driving compressor are again started up.
By the above-mentioned means, when voltage it is relatively low, or in the charge state when, compressor can be formed automatically good
Protection, avoids high frequent start and stop, causes additional energy consumption and the damage to compressor.
It is illustrated in figure 5 another protection mechanism of compressor, is included the following steps：
Step S400, under conditions of Air conditioner on car powers on, indoor control module persistently samples supply voltage and judges power supply electricity
Whether pressure is less than low pressure and ends setting value, and whether the timely parameter of third timer reaches third duration.
Step S401 meets protective condition when above-mentioned two condition is satisfied by, and indoor control module generates shutdown letter
Number.Compressor, wind turbine in Air conditioner on car are in halted state.While indoor control module generates off signal, third
Timer resets and restarts timing.
Step S402, indoor control module receive the booting letter that remote controler, terminal or human-computer interaction interface generate again
Number.
Step S403, whether indoor control module judgement supply voltage, which is more than low pressure, is ended setting value.
If supply voltage is less than low pressure and ends setting value, indoor control module generates off signal again, and passes through bee
Ring device and/or indicator light form warning.Meanwhile third timer resets and restarts timing.If supply voltage is more than low
Pressure cut-off setting value, then in step s 404, whether indoor control module judgement supply voltage, which is more than, is restored voltage.
Step S405 judges whether the timing parameter of third timer is more than if supply voltage, which is more than, restores voltage
Protect duration.
Step S406 further determines environment inside car temperature if the timing parameter of third timer is more than protection duration
Whether degree meets entry condition again.
Step S407, if meeting entry condition again, indoor control module is exported by the first signal path to be started
Signal is controlled to outdoor drive module.
Step S408, outdoor drive module driving compressor are again started up.
By the above-mentioned means, when voltage ends setting value less than low pressure, can good guarantor be formed to compressor automatically
Shield, avoids high frequent start and stop, causes additional energy consumption and the damage to compressor.
Different from common split-type air conditioner, since Air conditioner on car uses the DC power supply of 24V, usually accumulator is supplied
On the one hand electricity can make compressor according to the corresponding user demand start and stop of set temperature or work using above-mentioned control mode
Make, in different frequency gears, to be effectively reduced the energy consumption of compressor；On the other hand the internal structure of outdoor unit is simplified, no longer
The control panel of outdoor unit is set, two-way communication is reduced to one-way communication, reduces the probability for communication failure occur, it is empty to improve parking
The speed of response of tune makes it have better user experience.During whole service, without starting the engine of vehicle, together
When avoid increase vehicle oil consumption, also automatically formed the multiple protective to compressor.
The present invention discloses a kind of Air conditioner on car, are controlled using the Air conditioner on car voltage detecting of such as specific disclosure above
Method.The specific steps of Air conditioner on car voltage detecting control method referring to above-described embodiment detailed description and Figure of description
Describe in detail, details are not described herein.Same technique effect may be implemented using the Air conditioner on car of above-mentioned control method.
As shown in figure 3, Air conditioner on car specifically includes indoor control module 10 and outdoor drive module 20.Indoor control module
10 two input terminals receive the detected value and set temperature of environment inside car temperature respectively.At least the one of indoor control module 10
A output end output indoor fan controls signal, speed-regulating signal etc. to indoor fan 50.Indoor control module 10 and outdoor driving
One-way communication between module 20, indoor control module 10 start control signal by the first signal path 10-3 outputs and/or stop
Machine control signal to outdoor drive module 20, outdoor drive module 20 drives compressor 30 to execute corresponding work.Indoor control
Module 10 exports gear control signal to outdoor drive module 20 by second signal access 10-4, and outdoor drive module 20 drives
Compressor 30 is acted according to the corresponding frequency of gear.Outdoor drive module 20 also drives the operation of outdoor fan 40.Indoor control
It is additionally provided with power path 10-1,10-2 between module 10 and outdoor drive module 20.Independently arranged first signal path and
On the one hand second signal access may insure the transmission rate of signal, be on the other hand convenient for fault point, be conducive to Air conditioner on car
Follow-up maintenance.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of Air conditioner on car voltage detecting control method, it is characterised in that：Include the following steps：
Air conditioner on car powers on, and indoor control module samples supply voltage and judges whether the supply voltage meets service condition；
The wherein described service condition is：The supply voltage is more than low-voltage variation setting value and is less than high-pressure stop setting value；
If meeting the service condition, indoor control module samples environment inside car temperature；
Indoor control module judges whether the environment inside car temperature meets entry condition；If meeting the entry condition, room
Interior control module is exported by the first signal path starts control signal to outdoor drive module, outdoor drive module driving compression
Machine starts；
Indoor control module judges the temperature gear section belonging to the environment inside car temperature, and is exported by second signal access
Corresponding gear control signal to outdoor drive module, outdoor drive module drives compressor according to the gear control signal pair
The frequency work answered；
Indoor control module judges whether the environment inside car temperature meets halt condition, whether the judgement supply voltage meets
Protective condition；The wherein described protective condition is：The supply voltage is more than high-pressure stop setting value or is set less than low-voltage variation
Value；If the environment inside car temperature meets halt condition or supply voltage meets protective condition, the interior control module is logical
It crosses the first signal path and exports shutdown control signal to outdoor drive module, outdoor drive module drives compressor shutdown.
2. Air conditioner on car voltage detecting control method according to claim 1, it is characterised in that：It is further comprising the steps of：
The interior control module sampling set temperature simultaneously calls at least one reference temperature；
The interior control module calculates set temperature and the reference temperature and value；
The indoor control module setting is described and value is under higher temperature gear section in continuous two temperature gears section
Threshold value is limited, and sets upper limit threshold described and that value is lower temperature gear section in continuous two temperature gears section.
3. Air conditioner on car voltage detecting control method according to claim 2, it is characterised in that：
The interior control module samples the set temperature and calls the first reference temperature；
The interior control module calculates the set temperature and first reference temperature and value；
The lower threshold that the interior control module setting is described and value is the first temperature gear section, is second temperature gear area
Between upper limit threshold；
When the environment inside car temperature belongs to the first temperature gear section, the interior control module passes through second signal
Access exports the first level signal to outdoor drive module, and the outdoor drive module drives compressor according to first frequency work
Make；When the environment inside car temperature belongs to second temperature gear section, the interior control module passes through second signal access
Second electrical level signal is exported to outdoor drive module, the outdoor drive module driving compressor works according to second frequency；Its
Described in first frequency be higher than second frequency.
4. Air conditioner on car voltage detecting control method according to claim 3, it is characterised in that：It is further comprising the steps of：
The interior control module sampling set temperature simultaneously calls the second reference temperature；
The interior control module calculates the difference of the set temperature and second reference temperature；
The interior control module sets the difference as the lower threshold in second temperature gear section.
5. Air conditioner on car voltage detecting control method according to claim 4, which is characterized in that further comprising the steps of：
The interior control module sampling set temperature simultaneously calls third reference temperature；
The interior control module calculates the difference of the set temperature and the third reference temperature；
The interior control module sets the difference of the set temperature and third reference temperature as the lower limit of the entry condition
Threshold value, and the difference of the set temperature and third reference temperature is set as the upper limit threshold of the halt condition；
The third reference temperature is less than or equal to the second reference temperature.
6. Air conditioner on car voltage detecting control method according to claim 5, which is characterized in that if the environment inside car temperature
Degree meets the entry condition, then the first timer initiation in the indoor control module, when the meter of first timer
When parameter when reaching the first duration, the interior control module passes through the output of the first signal path and starts control signal to outdoor drive
Dynamic model block.
7. Air conditioner on car voltage detecting control method according to claim 6, which is characterized in that if the supply voltage is big
In high-pressure stop setting value, then the second timer initiation in indoor control module, when the timing parameter of second timer
When reaching the second duration, a length of interval continuously exports multiple alarm for high voltage signal simultaneously when the interior control module is with described second
Generate off signal.
8. Air conditioner on car voltage detecting control method according to claim 7, which is characterized in that if the supply voltage is small
In low-voltage variation setting value, indoor control module judges whether the supply voltage is more than low pressure and ends setting value；If power supply is electric
Pressure is more than low pressure and ends setting value, the third timer initiation in indoor control module, when the timing of the third timer is joined
Number is when reaching third duration, and indoor control module exports shutdown control signal to outdoor drive module by the first signal path,
Outdoor drive module drives compressor shutdown；Whether indoor control module judgement supply voltage, which is more than, is restored setting voltage, works as institute
When stating supply voltage more than the timing parameter of setting voltage and the third timer is restored more than protection duration, if the car
Environment temperature meets entry condition again, then indoor control module is exported by the first signal path starts control signal to outdoor
Drive module, outdoor drive module driving compressor are again started up.
9. Air conditioner on car voltage detecting control method according to claim 8, which is characterized in that when the third timer
Timing parameter when reaching third duration and supply voltage and being less than low pressure cut-off setting value, indoor control module generates shutdown letter
Number；If indoor control module receives starting-up signal again, judge whether the supply voltage is more than the low pressure first
End setting value, end setting value if more than the low pressure, then judges whether the supply voltage is more than the recovery voltage, when
When the supply voltage is more than the timing parameter for restoring setting voltage and the third timer more than protection duration, if interior ring
Border temperature meets entry condition again, then indoor control module is exported by the first signal path starts control signal to outdoor drive
Dynamic model block, outdoor drive module driving compressor are again started up；If the supply voltage is less than the low pressure and ends setting value,
Indoor control module generates off signal again.
10. a kind of Air conditioner on car, which is characterized in that use Air conditioner on car voltage detecting as described in any one of claim 1 to 9
Control method.
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| CN201810476303.9A CN108638789B (en) | 2018-05-17 | 2018-05-17 | Parking air conditioner voltage detection control method and parking air conditioner |
| PCT/CN2019/086854 WO2019219006A1 (en) | 2018-05-17 | 2019-05-14 | Voltage detection control method for parking air conditioner and parking air conditioner |
Applications Claiming Priority (1)
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|---|---|---|---|
| CN201810476303.9A CN108638789B (en) | 2018-05-17 | 2018-05-17 | Parking air conditioner voltage detection control method and parking air conditioner |
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| CN108638789B CN108638789B (en) | 2021-01-29 |
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| CN109733162A (en) * | 2018-12-29 | 2019-05-10 | 青岛海尔空调器有限总公司 | The control method of Air conditioner on car for vehicle |
| CN110341433A (en) * | 2019-07-30 | 2019-10-18 | 青岛海立电机有限公司 | The quick heat-production control method of Air conditioner on car |
| WO2019219006A1 (en) * | 2018-05-17 | 2019-11-21 | 青岛海尔空调器有限总公司 | Voltage detection control method for parking air conditioner and parking air conditioner |
| CN110696587A (en) * | 2019-09-24 | 2020-01-17 | 中国第一汽车股份有限公司 | Air conditioner control method and system and vehicle |
| WO2020164423A1 (en) * | 2019-02-12 | 2020-08-20 | 青岛海尔空调器有限总公司 | Control method for vehicle having parking air conditioner |
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| CN111609551A (en) * | 2019-02-25 | 2020-09-01 | 青岛经济技术开发区海尔热水器有限公司 | Heat pump system voltage self-adaptive control method and heat pump system |
| CN111923691A (en) * | 2020-09-01 | 2020-11-13 | 海信（山东）空调有限公司 | Parking air conditioner control method and parking air conditioner |
| CN113276621A (en) * | 2021-05-21 | 2021-08-20 | 陕西汽车集团股份有限公司 | Parking air conditioner control method and device |
| CN113320349A (en) * | 2021-05-13 | 2021-08-31 | Tcl空调器(中山)有限公司 | Air conditioner control method and device, electronic equipment and readable storage medium |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019219006A1 (en) | 2019-11-21 |
| CN108638789B (en) | 2021-01-29 |
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Effective date of registration: 20201231 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. |
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