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CN107458177B - Automobile air-conditioner control method and system - Google Patents

Automobile air-conditioner control method and system Download PDF

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Publication number
CN107458177B
CN107458177B CN201710654152.7A CN201710654152A CN107458177B CN 107458177 B CN107458177 B CN 107458177B CN 201710654152 A CN201710654152 A CN 201710654152A CN 107458177 B CN107458177 B CN 107458177B
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China
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temperature
air
air blower
timing
operating
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CN107458177A (en
Inventor
戴楠
陈炳
钟凌
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Anhui Jianghuai Automobile Group Corp
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Anhui Jianghuai Automobile Group Corp
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Priority to CN201710654152.7A priority Critical patent/CN107458177B/en
Publication of CN107458177A publication Critical patent/CN107458177A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The invention discloses a kind of automobile air-conditioner control method and system, method includes: detection vehicle external environment temperature after starting air-conditioning system;When vehicle external environment temperature is less than or equal to preset low-temperature values or is more than or equal to preset high temperature values, control air blower pause operating, and trigger the first timing;After the first timing, control air blower restores operating;During air blower operating, air-conditioning set temperature, vehicle interior temperature and air outlet temperature are obtained;The difference of air-conditioning set temperature and the vehicle interior temperature is calculated, and according to difference and air outlet temperature, controls air blower pause operating, and trigger the second timing;After the second timing, control air blower restores operating.The present invention with twice to air blower pause starting judgement, the air blower that can guarantee as much as possible automatic air condition in the running, the requirement that wind-warm syndrome, wind speed and the air quantity provided is able to satisfy occupant to comfort level, so as to improve the usage experience to automobile.

Description

Automobile air-conditioner control method and system
Technical field
The present invention relates to automobile-used automatic air condition field more particularly to a kind of automobile air-conditioner control methods and system.
Background technique
With the increasingly raising that people require quality of life, automobile has no longer been simple walking-replacing tool, and people are to vapour The requirement of vehicle usage experience is also higher and higher.It is equipped with automatic air-conditioning system on overwhelming majority automobile at present, is used to adjust vehicle Interior temperature is to reach a comfortable situation, for the control in existing automatic air-conditioning system to air blower, usually basis The difference of vehicle interior temperature and air-conditioning set temperature increases or reduces blower air quantity, but often brings to occupant bad Usage experience.
Such as automatic air condition open initial stage, since the temperature difference is larger, air blower can according to refrigeration or heating operating mode into Row runs at high speed, and to shorten the temperature difference as early as possible, but if being colder or hot season, this control mode can make air blast The wind-warm syndrome of machine blowout is too low and excessively high, the comfort property of air-conditioning can be significantly reduced in this way, to directly affect the use of occupant Experience.
Summary of the invention
The object of the present invention is to provide a kind of automobile air-conditioner control method and systems, to solve supercooling or cross under thermal environment, Air blower after starting of air conditioner usage experience bad brought by it.
The technical solution adopted by the invention is as follows:
A kind of automobile air-conditioner control method, comprising:
After starting air-conditioning system, vehicle external environment temperature is detected;
When the vehicle external environment temperature is less than or equal to preset low-temperature values or is more than or equal to preset high temperature values, control drum Blower pause operating, and trigger the first timing;
After first timing, controls the air blower and restore operating;
During air blower operating, air-conditioning set temperature, vehicle interior temperature and air outlet temperature are obtained;
The difference of the air-conditioning set temperature and the vehicle interior temperature is calculated, and according to the difference and the air outlet Temperature controls the air blower pause operating, and triggers the second timing;
After second timing, controls the air blower and restore operating.
Preferably, described according to the difference and the air outlet temperature, controlling the air blower pause operating includes: to work as When the difference is more than or equal to preset threshold value and the air outlet temperature less than the first temperature value, or when the difference is less than institute When stating threshold value and the air outlet temperature and being greater than second temperature value, the air blower pause operating is controlled.
Preferably, further includes: during air blower operating, obtain cooling water temperature or evaporator temperature;According to institute Difference and the cooling water temperature or evaporator temperature are stated, controls the air blower pause operating, and trigger the second timing.
Preferably, described according to the difference and the cooling water temperature or evaporator temperature, control the air blower Pause operating includes: or to work as when the difference is more than or equal to the threshold value and the cooling water temperature and is less than third temperature value The difference is less than the threshold value and when the evaporator temperature is greater than four temperature values, control air blower pause operating.
Preferably, further includes: in second timing, if detecting pause termination condition, control the air blast Machine restores operating.
Preferably, the pause termination condition includes following any: the difference is more than or equal to the threshold value and described Air outlet is greater than the first temperature value, the difference is less than the threshold value and the air outlet is less than second temperature value, the difference More than or equal to the threshold value and the cooling water temperature is greater than third temperature value, the difference is less than the threshold value and the evaporation Device temperature is switched less than the 4th temperature value, defrosting mode open signal or A/C is changed into OFF by ON.
A kind of automobile air conditioner control system, comprising:
Air-conditioner controller;
The first temperature sensor for connecting with the air-conditioner controller electric signal, second temperature sensor, third temperature pass Sensor, timer and air blower;
First temperature sensor is arranged outside cabin, for monitoring and sending vehicle outer ring to the air-conditioner controller Border temperature signal;The second temperature sensor is arranged inside cabin, for monitoring and sending vehicle to the air-conditioner controller Interior temperature signal;The third temperature sensor is arranged at air-conditioner air outlet, for monitoring and sending out to the air-conditioner controller Send out draught temperature signal;
After the air-conditioner controller starting air-conditioning system, the vehicle external environment temperature signal is detected, and according to outside the vehicle The relationship of ambient temperature signal and preset low-temperature values or high temperature values controls the air blower pause operating, and triggers the meter When device start the first timing;
After first timing, the air-conditioner controller controls the air blower and restores operating;
The air-conditioner controller is also used to obtain air-conditioning set temperature signal, the vehicle during the air blower operates Interior temperature signal and air outlet temperature signal, and according to the difference of calculated air-conditioning set temperature and vehicle interior temperature, and The air outlet temperature signal controls the air blower pause operating, and triggers the timer and start the second timing;
After second timing, the air-conditioner controller controls the air blower and restores operating.
Preferably, further includes: the 4th temperature sensor and the 5th temperature sensor;The 4th temperature sensor setting exists The cooling water channel of engine or driving motor, for monitoring and sending cooling water temperature signal to the air-conditioner controller;It is described 5th temperature sensor is arranged at evaporator, for monitoring and sending evaporator temperature signal to the air-conditioner controller;Institute It states air-conditioner controller to be also used to during the air blower operates, obtains the cooling water temperature signal or evaporator temperature letter Number;And according to the difference and the cooling water temperature signal or evaporator temperature signal, the air blower pause fortune is controlled Turn, and triggers the timer and start second timing.
Preferably, further includes: the defrosting mode switch and A/C switch being connect with the air-conditioner controller electric signal.
Preferably, after the air-conditioner controller is also used to detect following any case in second timing, control Make the air blower and terminate and suspend and restore to operate: defrosting mode open signal or the A/C are switched and are changed into OFF by ON.
The present invention and its preferred embodiment can be at starting of air conditioner initial stages, by the judgement to ambient temperature to decision Whether initial pause is executed to air blower, and after air blower starting, be further advanced by for vehicle interior temperature, set temperature, The monitoring of air outlet temperature and cooling water or evaporator temperature, operation, than equity, whether decision executes air blower second Pause;With the judgement twice to air blower pause starting, it can fully guarantee that the air blower of automatic air condition is dried in the running Wind-warm syndrome and wind speed meet requirement of the occupant to comfort level.
Detailed description of the invention
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing Step description, in which:
Fig. 1 is the flow chart of automobile air-conditioner control method provided by the invention;
Fig. 2 is the flow chart of another embodiment of automobile air-conditioner control method provided by the invention;
Fig. 3 is the block diagram of the embodiment of automobile air conditioner control system provided by the invention;
Fig. 4 is the block diagram of another embodiment of automobile air conditioner control system provided by the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
The present invention provides a kind of automobile air-conditioner control methods, as shown in Figure 1, comprising:
Step S1: after starting automatic air-conditioning system, vehicle external environment temperature is detected;
Step S2: judge the relationship of the vehicle external environment temperature and preset low-temperature values or high temperature values;Can specifically it sentence Break following condition: vehicle external environment temperature is less than or equal to preset low-temperature values or vehicle external environment temperature is more than or equal to preset height Temperature value;If meeting one of above-mentioned two condition, S3 is thened follow the steps: control air blower pause operating, and trigger the first timing.If Above-mentioned two condition is all unsatisfactory for, and thens follow the steps S5.
Specifically, the present embodiment be at starting of air conditioner initial stage, by vehicle outside environment temperature, determine locating for current vehicle Outside air temperature condition whether be supercooling or overheat, and according to the vehicle external environment temperature of actual monitoring and preset high/low temperature Upper lower limit value is contrasted, to decide whether to execute the air blower of air-conditioning system initial pause, for example, aforementioned low-temperature values and High temperature values can be set to 0 DEG C or 30 DEG C, can be with if the vehicle external environment temperature detected at this time is lower than 0 DEG C or is higher than 30 DEG C Think that vehicle is in a kind of environment that temperature is more extreme, then as one can imagine, start the initial stage of automatic air condition, air blast It is big that machine will necessarily blow out wind speed height, air quantity, but it is exactly the air-conditioner wind overheated that wind-warm syndrome, which is not supercooling, in this case, in this reality It applies to control air blower in example first and execute and initially suspend, that is to say its starting of delay, to can avoid automatic air condition initial start stage To the discomfort that occupant generates, certainly, what the present embodiment considered is delay rather than No starting, therefore also when executing initial tentative The first timing is triggered, the purpose of the timing is to give the time of air-conditioning system and vehicle drive system one operation as slow Punching.
After step s 3, execute step S4: after first timing, control air blower restores operating.For example, right In aforementioned vehicle external environment temperature is lower than 0 DEG C the case where, it should be apparent that, air-conditioning is in heating mode, and for vehicle external environment temperature The case where degree is higher than 30 DEG C, air-conditioning will necessarily be in refrigeration mode, then both different modes are directed to, for the first timing Specific setting can also be set as the different time according to the actual situation, such as since air blower is dried to car, normal from physics Know angle, it is heat that no matter the wind of air-conditioning blowout, which is cold, has certain cooling effect, then it is contemplated that vehicle external environment temperature The first timing when higher than 30 DEG C can be more shorter than the first timing lower than 0 DEG C, that is, air blast in cooling mode Machine can restore to start in advance than the air blower under heating mode, for example the first meter when will be above 30 DEG C is set as 15 seconds, is lower than 0 DEG C the first timing be set as 30 seconds;Certainly, in actual operation, the present invention does not limit the specific setting of the first timing, namely It is that can according to need to be set as other times length or set identical time span etc. for the two, no matter which kind of sets, Its purpose is all that the wind in automatic air condition initial start stage, for air blower blowout provides a more of short duration delay time, is used for Avoid the air-conditioner wind that directly blowout contrast is big that occupant is caused to be difficult to adapt to for the moment.
Step S5: during air blower operating, air-conditioning set temperature, vehicle interior temperature and air outlet temperature are obtained;Step S6: the difference of air-conditioning set temperature and vehicle interior temperature is calculated, step S7: according to the difference and air outlet temperature, controls air blast Machine pause operating, and trigger the second timing;
The considerations of above-mentioned steps, by conventional Boiler pressure control calculation and can also be combined when air blower operation Air outlet temperature monitoring executes unconventional pause to air blower and controls, to be further ensured that the wind energy of air blower blowout meets Demand of the occupant to comfort, thus in actual operation it is contemplated that it is described herein can be " when air blower is run " before Vehicle external environment temperature is stated between preset low-temperature values and high temperature values, the case where air blower is not carried out initial pause, that is to say After step S3, or it can also be to connect after step S4 and execute;Step S5 to step S7 is the another of the present embodiment proposition A pause decision procedure, it is therefore an objective to be further ensured that wind-warm syndrome that the air blower of automatic air condition is dried in the running and wind speed satisfaction multiply Requirement of the member to comfort level, for example, can be when sky according to above two different air-conditioning work mode (heating or refrigeration) When set temperature and the difference of vehicle interior temperature being adjusted to be more than or equal to preset threshold value and air outlet temperature less than the first temperature value, or Person, when the difference is less than the threshold value and air outlet temperature is greater than second temperature value, control air blower pause operating;It needs pair This is illustrated, and the relationship of the set temperature of automatic air condition and the difference of vehicle interior temperature and preset threshold determines air blower Revolving speed, that is to say air output, when the difference is more than or equal to preset threshold value under heating mode, such as 3 DEG C, or in refrigeration mould When the difference is less than 3 DEG C under formula, air output also can be relatively large, then at this point, there is also cause occupant uncomfortable due to the temperature difference A possibility that, thus the present embodiment also proposes also to determine whether there is in conjunction with actual leaving air temp when calculating the difference Necessity carries out pause control to air blower, and can be because that need to set for the specific setting of aforementioned first temperature value and second temperature value It sets, please refer to following example: set temperature is 28 DEG C, and interior actual temperature is 20 DEG C, then air quantity necessarily will increase, it is assumed that this When air outlet temperature be but lower than 15 DEG C (first temperature values), then control air blower pause operating, avoid generating uncomfortable;Similarly, exist Set temperature is 22 DEG C, and interior actual temperature is 29 DEG C, it is assumed that air outlet temperature is but higher than 30 DEG C (second temperature values) at this time, then Air blower pause operating is controlled, avoids generating uncomfortable.
After step S7, execute step S8: after aforementioned second timing, control air blower restores operating.Here it needs To illustrate that, it is well known that the change of vehicle interior temperature needs air blower blowout air-conditioner wind to carry out heat exchange change, because And the purpose of pause is to alleviate discomfort, but should not stop for a long time, therefore, the present embodiment proposes during foregoing pause also Carry out the second timing, such as 1 minute, then after 1 minute, no matter temperature what situation, air blower will be made to restore operating with extensive The normal operation of multiple air-conditioning system, it is believed that on the one hand second timing is to provide for air-conditioning system and vehicle drive system On the other hand the buffer time of one temperature change also can make occupant gradually adapt to vehicle interior temperature, thus even if leaving air temp Not in the range of comfort zone, the huge body-sensing of contrast will not be generated.
Be noted above air blower operating during, air outlet temperature be also possible to it is not up to standard, such as be lower than the first temperature Value is higher than second temperature value, and the reason of behind is steamed under the cooling water temperature under heating mode is not up to standard or refrigeration mode It is not up to standard to send out device temperature, therefore, in another embodiment of the present invention, as shown in Fig. 2, deriving on the basis of step S5 Step S501: cooling water temperature or step S502 are also obtained under heating mode: also obtaining evaporator temperature in cooling mode Degree;And step S7 can also develop into step S701: according to aforementioned difference and cooling water temperature (or air outlet temperature), or Person's step 702: according to aforementioned difference and evaporator temperature (or air outlet temperature), air blower pause operating is controlled, and is triggered Second timing.It is to be herein pointed out in Fig. 2 embodiment, because both having included acquisition air outlet temperature and coolant water temperature Degree or evaporator temperature, then judging whether air blower suspends operating and trigger the condition of the second timing, it may also is that when aforementioned Difference is more than or equal to preset threshold value and according to air outlet temperature or the relationship of cooling water temperature any one value and limit value, or Person, when aforementioned difference is less than preset threshold value and according to the pass of air outlet temperature or evaporator temperature any one value and limit value System, certainly, it is further noted that if being directed to air outlet temperature using cooling water temperature or evaporator temperature The limit value of degree, the first temperature value and second temperature value, it is possible to and be not suitable for, thus it is contemplated that being had using air outlet temperature The numerical value of difference please refers to following example for example, by using third temperature value and the 4th temperature value: when air-conditioning set temperature is higher than vehicle 3 DEG C of interior temperature, and detect air outlet temperature lower than 15 DEG C (first temperature values) or coolant water temperature lower than 30 DEG C of (third temperature Value) when, control air blower suspends and triggers the second timing;When air-conditioning set temperature is lower than 3 DEG C of vehicle interior temperature, and outlet air is detected When mouth temperature is higher than 30 DEG C (second temperature values) or evaporator temperature lower than 25 DEG C (the 4th temperature value), the pause of control air blower is simultaneously Trigger the second timing.
Further consider, for the air blower in pause, the condition for making it restore operating is also not limited only to aforementioned meter When terminate, particularly with the situation in the second timing, if detecting following any pause termination condition, can control Air blower processed restores operating: under the premise of aforementioned difference is more than or equal to the threshold value, air outlet be greater than the first temperature value or Cooling water temperature is greater than third temperature value;Under the premise of the difference is less than the threshold value, air outlet is less than second temperature value Or evaporator temperature is less than the 4th temperature value;This two kinds of conditions are meant that under different working modes above, if Cause to suspend because each detection temperature is not up to standard after air blower starting, but in the interval, each associated temperature has met outlet air The requirement of comfort level can also terminate pause and restore air blower operating even when the second timing is not finished;In addition, if inspection Defrosting mode open signal is measured, or detects that A/C switch is changed into OFF by ON, then can equally terminate pause and restore Air blower operating, the design of both conditions is then the consideration for hommization, since in actual operation, occupant has air-conditioning Different use demands, such as do not need compressor work in interval there is still a need for defrosting to glass, or when refrigeration It only needs to dry, then the present invention also allows when the second timing is not finished, terminates and suspend and restore air blower operating.
Based on foregoing embodiments and its preferred embodiment, the present invention also provides a kind of automobile air conditioner control systems, such as Shown in Fig. 3 comprising have air-conditioner controller, and connect with air-conditioner controller electric signal the first temperature sensor, second temperature Spend sensor, third temperature sensor, timer and air blower.
The specific set-up mode of the system can be, and the first temperature sensor is arranged outside cabin, such as Chinese herbaceous peony side At bumper, for monitoring and sending vehicle external environment temperature signal to air-conditioner controller;Second temperature sensor is arranged in cabin On the right side of inside, such as main driving or the passenger side left side is close to medium position in cabin, for monitoring and sending vehicle to air-conditioner controller Interior temperature signal;Third temperature sensor is arranged at air-conditioner air outlet, such as major-minor is driven at the air-conditioner air outlet of two sides, for supervising It surveys and sends air outlet temperature signal to air-conditioner controller.
For the working method of the system embodiment, it is described as follows:
After air-conditioner controller starts whole-vehicle air-conditioner system, vehicle external environment temperature signal is detected by the first temperature sensor, And according to the comparison of the vehicle external environment temperature signal and the low-temperature values or high temperature values that are preset in air-conditioner controller, control drum Blower pause operating, while triggering timing device starts the first timing, until the first timing terminates, air-conditioner controller controls air blower Restore operating.
In addition, air-conditioner controller is also used to obtain the air-conditioning being arranged by artificial or aptitude manner during air blower operates Set temperature signal, and vehicle interior temperature signal and air outlet temperature signal are detected by second, third temperature sensor, and in sky Adjust and carry out calculating the difference of air-conditioning set temperature and vehicle interior temperature inside controller, then by calculated difference and Air outlet temperature signal, control air blower pause operating, and triggering timing device starts the second timing;Specifically control mode exists It is hereinbefore discussed in detail, details are not described herein again;Until the second timing terminates, air-conditioner controller controls air blower again and restores fortune Turn.
Corresponding to preceding method embodiment, the present invention further proposes another preferable system embodiment, referring to Shown in Fig. 4, wherein being also provided with the 4th temperature sensor and the 5th temperature sensor;Specific set-up mode can be the 4th The cooling water channel of the driving motor of engine or electric vehicle, such as the water outlet of cooling jacket is arranged in temperature sensor, uses Cooling water temperature signal is sent in monitoring and to air-conditioner controller;The evaporator of air-conditioning system is arranged in 5th temperature sensor Place, such as evaporator surface, for monitoring and sending evaporator temperature signal to air-conditioner controller;Air-conditioner controller is also used to During air blower operates, what the cooling water temperature signal or the 5th temperature sensor that acquisition is monitored by the 4th temperature sensor monitored Evaporator temperature signal, and according to aforementioned difference and the cooling water temperature signal or evaporator temperature signal, control air blower Pause operating, and triggering timing device starts second timing.Specifically control mode is being described above, no longer superfluous herein It states.
In view of other conditions for terminating air blower pause, further comprised in Fig. 4 embodiment, in system and air-conditioning control The defrosting mode switch and A/C switch of device electric signal connection processed, certainly in actual operation, defrosting mode switch and A/C switch It can be arranged on the operation panel of air-conditioner controller, and aforementioned timer also can integrate within air-conditioner controller, to this The present invention is without limitation.It connecting above, contains the embodiment of this two kinds of components, terminating pause for how to control air blower, Can be such as under type: air-conditioner controller detects that defrosting mode switch is pressed, that is to say and detect and remove in the second timing The open signal of white mode, or detect that A/C switch is transformed into extinguishing in the state for lighting up as ON and that is to say OFF state, then Control air blower, which terminates, to be suspended and restores to operate.
It is described in detail structure, feature and effect of the invention based on the embodiments shown in the drawings, but more than Described is only presently preferred embodiments of the present invention, needs to explain, and technology involved in above-described embodiment and its preferred embodiment is special Sign, those skilled in the art can be under the premise of not departing from, not changing mentality of designing and technical effect of the invention, rationally Ground combination collocation is at a variety of equivalent schemes;Therefore, the present invention does not limit the scope of implementation as shown in the drawings, all according to of the invention Change or equivalent example modified to equivalent change, do not go beyond the spirit of the description and the drawings made by conception When, it should all be within the scope of the present invention.

Claims (10)

1. a kind of automobile air-conditioner control method characterized by comprising
After starting air-conditioning system, vehicle external environment temperature is detected;
When the vehicle external environment temperature is less than or equal to preset low-temperature values or is more than or equal to preset high temperature values, air blower is controlled Pause operating, and trigger the first timing;
After first timing, controls the air blower and restore operating;
During air blower operating, air-conditioning set temperature, vehicle interior temperature and air outlet temperature are obtained;
The difference of the air-conditioning set temperature and the vehicle interior temperature is calculated, and according to the difference and the air outlet temperature Degree controls the air blower pause operating, and triggers the second timing;
After second timing, controls the air blower and restore operating.
2. the method according to claim 1, wherein described according to the difference and the air outlet temperature, control Making the air blower pause operating includes:
When the difference is more than or equal to preset threshold value and the air outlet temperature less than the first temperature value, or work as the difference Less than the threshold value and when the air outlet temperature is greater than second temperature value, the air blower pause operating is controlled.
3. according to the method described in claim 2, it is characterized by further comprising:
During air blower operating, cooling water temperature or evaporator temperature are obtained;
According to the difference and the cooling water temperature or evaporator temperature, the air blower pause operating is controlled, and is triggered Second timing.
4. according to the method described in claim 3, it is characterized in that, it is described according to the difference and the cooling water temperature or Evaporator temperature, controlling the air blower pause operating includes:
When the difference is more than or equal to the threshold value and the cooling water temperature is less than third temperature value, or when the difference is small In the threshold value and when the evaporator temperature is greater than four temperature values, control air blower pause operating.
5. according to the method described in claim 4, it is characterized by further comprising:
In second timing, if detecting pause termination condition, controls the air blower and restore operating.
6. according to the method described in claim 5, it is characterized in that, the pause termination condition includes following any:
The difference be more than or equal to that the threshold value and the air outlet are greater than the first temperature value, the difference is less than the threshold value and The air outlet is less than second temperature value, the difference is more than or equal to the threshold value and the cooling water temperature is greater than third temperature Value, the difference are less than the threshold value and the evaporator temperature less than the 4th temperature value, defrosting mode open signal or A/ C switch is changed into OFF by ON.
7. a kind of automobile air conditioner control system characterized by comprising
Air-conditioner controller;
The first temperature sensor for being connect with the air-conditioner controller electric signal, second temperature sensor, third temperature sensor, Timer and air blower;
First temperature sensor is arranged outside cabin, for monitoring and sending vehicle external environment temperature to the air-conditioner controller Spend signal;The second temperature sensor is arranged inside cabin, for monitoring and sending interior temperature to the air-conditioner controller Spend signal;The third temperature sensor is arranged at air-conditioner air outlet, for monitoring and sending out to the air-conditioner controller Draught temperature signal;
After the air-conditioner controller starting air-conditioning system, the vehicle external environment temperature signal is detected, and according to the vehicle external environment The relationship of temperature signal and preset low-temperature values or high temperature values controls the air blower pause operating, and triggers the timer Start the first timing;
After first timing, the air-conditioner controller controls the air blower and restores operating;
The air-conditioner controller is also used to during the air blower operates, and obtains air-conditioning set temperature signal, the interior temperature Spend signal and air outlet temperature signal, and according to the difference of calculated air-conditioning set temperature and vehicle interior temperature and described Air outlet temperature signal controls the air blower pause operating, and triggers the timer and start the second timing;
After second timing, the air-conditioner controller controls the air blower and restores operating.
8. system according to claim 7, which is characterized in that further include: the 4th temperature sensor and the 5th temperature sensing Device;
The cooling water channel of engine or driving motor is arranged in 4th temperature sensor, for monitoring and to the air-conditioning control Device processed sends cooling water temperature signal;5th temperature sensor is arranged at evaporator, for monitoring and to the air-conditioning Controller sends evaporator temperature signal;
The air-conditioner controller is also used to obtain the cooling water temperature signal or evaporator temperature during the air blower operates Spend signal;And according to the difference and the cooling water temperature signal or evaporator temperature signal, it is temporary to control the air blower It stop runnings, and triggers the timer and start second timing.
9. system according to claim 7 or 8, which is characterized in that further include:
The defrosting mode switch and A/C switch being connect with the air-conditioner controller electric signal.
10. system according to claim 9, which is characterized in that the air-conditioner controller is also used to, in second timing After inside detecting following any case, control the air blower and terminate and suspend and restore to operate: defrosting mode open signal or The switch of A/C described in person is changed into OFF by ON.
CN201710654152.7A 2017-08-02 2017-08-02 Automobile air-conditioner control method and system Active CN107458177B (en)

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