CN105291756B - On-board air conditioner and its control method and device - Google Patents
On-board air conditioner and its control method and device Download PDFInfo
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- CN105291756B CN105291756B CN201510673653.0A CN201510673653A CN105291756B CN 105291756 B CN105291756 B CN 105291756B CN 201510673653 A CN201510673653 A CN 201510673653A CN 105291756 B CN105291756 B CN 105291756B
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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
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Abstract
The invention discloses a kind of on-board air conditioner and its control method and device.The control method of on-board air conditioner includes：Detect the vibrations parameter of on-board air conditioner；Whether the value for judging to shake parameter is more than predetermined threshold value；If it is judged that the value of vibrations parameter is more than predetermined threshold value, then shake control signal is obtained, wherein, shake control signal reaches used control signal during preset condition for the vibrations of on-board air conditioner；Control is performed to on-board air conditioner by shake control signal.By the present invention, the effect of lifting on-board air conditioner shock resistance is reached.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of on-board air conditioner and its control method and device.
Background technology
At present, the switching value of air-conditioner controller is to perform control to air-conditioner controller by the way that light current is converted into forceful electric power.
For traditional mechanical relay, such as electromagnetic relay, when air-conditioner controller receives the forceful electric power of some strength, center
The contact that processor (Central Processing Unit, referred to as CPU) control electromagnetic relay performs electromagnetic relay connects
Touch or disconnection acts, it is achieved thereby that the control of the switching value to air-conditioner controller.But in on-board air conditioner, due to electromagnetism
Relay is a kind of physical switch, and the contact state of electromagnetic relay can change because being subject to external force.In the process of on-board driving
In, often since jolting for vehicle causes the vibrations or impact events generation of on-board air conditioner, so that electromagnetic relay touches
Head status makes the switching function of electromagnetic relay fail, and then cause air-conditioning because being given a shock or hitting and change
Unit operation fails.On the other hand, electromagnetic relay has the shortcomings that volume is big, and reaction is slow, and power consumption is big.If using solid-state after
Electric appliance, can be to avoid the deficiency of electromagnetic relay, but cost is higher by the several times of electromagnetic relay again.So on-board air conditioner controls
Device cannot be popularized largely using solid-state relay, still be realized using electromagnetic relay to the switching value of on-board air conditioner controller
Control.
For the problem of on-board air conditioner shock resistance is poor in correlation technique, effective solution party is not yet proposed at present
Case.
The content of the invention
It is a primary object of the present invention to provide a kind of on-board air conditioner and its control method and device, to solve on-board air conditioner
The problem of shock resistance is poor.
To achieve these goals, according to an aspect of the invention, there is provided a kind of control method of on-board air conditioner, is somebody's turn to do
Method includes：Detect the vibrations parameter of on-board air conditioner；Whether the value for judging to shake parameter is more than predetermined threshold value；If it is judged that shake
The value of dynamic parameter is more than predetermined threshold value, then obtains shake control signal, wherein, shake control signal reaches for the vibrations of on-board air conditioner
Used control signal during to preset condition；And control is performed to on-board air conditioner by shake control signal.
Further, obtaining shake control signal includes：Calculating is performed to vibrations parameter, obtains control parameter；And root
Shake control signal is generated according to control parameter.
Further, calculating is performed to vibrations parameter, obtaining control parameter includes：Calculating is performed to vibrations parameter, is determined
The direction of on-board air conditioner vibrations and the amplitude of vibrations；And the direction shaken according to on-board air conditioner and the amplitude of vibrations determine to control
Parameter.
Further, obtaining shake control signal includes：Voltage control signal is obtained, by shake control signal to vehicle-mounted
Air-conditioning, which performs control, to be included：Control is performed to the relay of on-board air conditioner by voltage control signal.
Further, obtaining shake control signal includes：Current controling signal is obtained, by shake control signal to vehicle-mounted
Air-conditioning, which performs control, to be included：Control is performed to the relay of on-board air conditioner by current controling signal.
Further, detecting the vibrations parameter of on-board air conditioner includes：The sensor changed by detection speed detects vehicle-mounted
The speed change parameter of air-conditioning, obtains speed parameter signal；And filtering process and dissection process are performed to speed parameter signal,
Obtain the vibrations parameter of on-board air conditioner.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of control device of on-board air conditioner, should
Device includes：Detection unit, for detecting the vibrations parameter of on-board air conditioner；Judging unit, the value for judging vibrations parameter are
It is no to be more than predetermined threshold value；Acquiring unit, for when judging that the value for shaking parameter is more than predetermined threshold value, obtaining shake control letter
Number, wherein, shake control signal reaches used control signal during preset condition for the vibrations of on-board air conditioner；And control is single
Member, for performing control to on-board air conditioner by shake control signal.
Further, acquiring unit includes：Computing module, for performing calculating to vibrations parameter, obtains control parameter；With
And generation module, for generating shake control signal according to control parameter.
Further, computing module includes：Calculating sub module, for performing calculating to vibrations parameter, determines on-board air conditioner
The direction of vibrations and the amplitude of vibrations；And determining module, it is true for the direction shaken according to on-board air conditioner and the amplitude of vibrations
Determine control parameter.
Further, acquiring unit is used to obtain voltage control signal, and control unit is used to pass through voltage control signal pair
The relay of on-board air conditioner performs control.
Further, acquiring unit is used to obtain current controling signal, and control unit is used to pass through current controling signal pair
The relay of on-board air conditioner performs control.
Further, detection unit includes：Detection module, the sensor for being changed by detection speed detect vehicle-mounted sky
The speed change parameter of tune, obtains speed parameter signal；Processing module, conciliates for performing filtering process to speed parameter signal
Analysis is handled, and obtains the vibrations parameter of on-board air conditioner.
To achieve these goals, according to another aspect of the present invention, a kind of control device of on-board air conditioner is additionally provided,
The device includes：Sensor, for detecting the vibrations parameter of on-board air conditioner；And processor, for judging the value of vibrations parameter
Whether it is more than predetermined threshold value, when judging that the value for shaking parameter is more than predetermined threshold value, obtains shake control signal and pass through shake
Dynamic control signal performs control to on-board air conditioner, wherein, when shake control signal reaches preset condition for the vibrations of on-board air conditioner
Used control signal.
Further, which includes further including voltage voltage stabilizing chip and relay driving module, wherein, processor is used for
Control is performed to the relay of on-board air conditioner by voltage voltage stabilizing chip and relay driving module.
Further, which further includes constant-current source control module, wherein, processor is used to pass through constant-current source control module
Control is performed to the relay of on-board air conditioner.
To achieve these goals, according to another aspect of the present invention, a kind of on-board air conditioner is additionally provided, which includes
The control device of any one on-board air conditioner provided by the invention.
By the present invention, using the vibrations parameter of detection on-board air conditioner, it is pre- then to judge whether the value for shaking parameter is more than
If threshold value, if it is judged that the value of vibrations parameter is more than predetermined threshold value, then shake control signal is obtained, wherein, shake control letter
Number reach used control signal during preset condition for the vibrations of on-board air conditioner, finally again by shake control signal to vehicle-mounted
Air-conditioning performs control, solves the problems, such as that on-board air conditioner shock resistance is poor, and then lifting on-board air conditioner antidetonation energy
The effect of power.
Brief description of the drawings
The attached drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of the control method of on-board air conditioner according to a first embodiment of the present invention；
Fig. 2 is the flow chart of the control method of on-board air conditioner according to a second embodiment of the present invention；
Fig. 3 is the schematic diagram of the control device of on-board air conditioner according to a first embodiment of the present invention；
Fig. 4 is the schematic diagram of the control device of on-board air conditioner according to a second embodiment of the present invention；
Fig. 5 is the schematic diagram of the control device of on-board air conditioner according to a third embodiment of the present invention；
Fig. 6 is the schematic diagram of the control device of on-board air conditioner according to a fourth embodiment of the present invention；And
Fig. 7 is the schematic diagram of the control device of on-board air conditioner according to a fifth embodiment of the present invention.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
In order to make those skilled in the art more fully understand application scheme, below in conjunction with the embodiment of the present application
Attached drawing, is clearly and completely described the technical solution in the embodiment of the present application, it is clear that described embodiment is only
The embodiment of the application part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's all other embodiments obtained without making creative work, should all belong to the model of the application protection
Enclose.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments herein described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include without clear
It is listing to Chu or for the intrinsic other steps of these processes, method, product or equipment or unit.
Fig. 1 is the flow chart of the control method of on-board air conditioner according to a first embodiment of the present invention, and this method is used for car
Carry air-conditioning and perform control, as shown in Figure 1, the control method of the on-board air conditioner comprises the following steps：
Step S102, detects the vibrations parameter of on-board air conditioner.
It is vehicle-mounted in the process of moving, be inevitably subject to different degrees of vibrations.The ability of vehicle-mounted resistance vibrations takes
The degree of vibrations is certainly resisted under normally travel in vehicle-mounted, and determines that the parameter of vehicle-mounted vibrations degree can changing with external world situation
Become and change, be not constant.In this step, the vibrations parameter of on-board air conditioner is obtained.For example, can be by obtaining vehicle-mounted sky
The speed of tune obtains the vibrations parameter of on-board air conditioner.
Vibrations by detecting on-board air conditioner obtain the vibrations parameter of on-board air conditioner.For example, by sensor come to vibrations
Parameter is detected, and detects the signal of change.The detection state of sensor can be monitored in real time by CPU.Detect on-board air conditioner
Shake parameter, it is preferable that can be detected using following methods：
The sensor changed using detection speed, that is, velocity sensor, to detect the velocity variations of on-board air conditioner ginseng
Number, by speed change parameter acquisition speed parameter signal, to be analyzed speed parameter signal, handled.Can be to speed
Parameter signal performs filtering process, the noise of release rate parameter signal, so as to obtain accurate speed with certain filtering method
Parameter signal is spent, then dissection process is carried out to the speed parameter signal after filtered processing, obtains the vibrations ginseng of on-board air conditioner
Number.
Whether step S104, the value for judging to shake parameter are more than predetermined threshold value.
After detecting the vibrations parameter of on-board air conditioner and obtaining the value of vibrations parameter, judge to shake the value of parameter with it is pre-
If the relation of threshold value, this predetermined threshold value is determined whether to implement the control module of relay the value of intensive control.It is optional
Whether ground, the value for judging to shake parameter are more than predetermined threshold value, if it is judged that the value of vibrations parameter is more than predetermined threshold value, then it is right
The control module of relay implements intensive control.
Step S106, if it is judged that the value of vibrations parameter is more than predetermined threshold value, then obtains shake control signal, wherein,
Shake control signal reaches used control signal during preset condition for the vibrations of on-board air conditioner.
If it is judged that the value of vibrations parameter is more than predetermined threshold value, then intensive control is implemented to the control module of relay,
Certain voltage or electric current can be lifted with control circuit to realize.Shake control signal reaches default bar for the vibrations of on-board air conditioner
Used control signal during part, that is, the value of the vibrations parameter of on-board air conditioner is more than used control letter during predetermined threshold value
Number.Shake control signal is determined that control parameter is specifically determined by the direction of on-board air conditioner vibrations and the amplitude of vibrations by control parameter
Fixed, further, the direction of on-board air conditioner vibrations and the amplitude of vibrations can be parsed to obtain by speed parameter signal.
In this embodiment, shake control signal can be generated by the vibrations parameter detected by obtaining shake control signal,
For example, control parameter is calculated by being performed to the vibrations parameter having been detected by first, then generated by control parameter
Shake control signal.Preferably, calculating is performed to the speed parameter signal detected, it may be determined that the direction of on-board air conditioner vibrations
Control parameter is determined with the amplitude of vibrations, then the direction shaken by on-board air conditioner and the amplitude of vibrations, it is last according to the control determined
The shake control signal of parameter generation on-board air conditioner processed, including the control signal intensity and relay magnet being calculated are attracted and hold
The continuous time.
Alternatively, the species of the shake control signal of embodiment generation includes voltage control signal and current control is believed
Number, adaptable voltage can be exported in real time according to the vibrations degree of on-board air conditioner, electric current carries out accordingly on-board air conditioner
Control operation.
It can obtain voltage control signal to obtain shake control signal.Voltage control signal can be directly controlled by CPU
The output control foot of voltage voltage stabilizing chip is to export corresponding control signal.By voltage voltage stabilizing chip export controllable voltage come
Obtain voltage control signal.
Obtain shake control signal and can also be acquisition current controling signal.Current controling signal can pass through current control
Module exports.Current control module includes constant-current source control module, constant-current source control module include again voltage mode control mode and
Current-mode control mode, control CPU export corresponding control signal.
Step S108, control is performed by shake control signal to on-board air conditioner.
After shake control signal is obtained, control is performed to on-board air conditioner.Alternatively, controlled according to the voltage got
Signal performs corresponding control operation to the relay of on-board air conditioner, is completed especially by relevant relay driving module to car
The control of AIR COND RLY Air Conditioner Relay is carried, alternatively, being performed according to the current controling signal got to the relay of on-board air conditioner corresponding
Control operation, so as to fulfill the control to on-board air conditioner.
The control method of the on-board air conditioner of the embodiment is detecting on-board air conditioner using the vibrations parameter of detection on-board air conditioner
Vibrations parameter after, whether the value for shaking parameter is judged more than predetermined threshold value, and in the value for judging vibrations parameter
During more than predetermined threshold value, shake control signal is obtained, control is then performed to on-board air conditioner by shake control signal, can be made
On-board air conditioner is obtained in the case of different degrees of vibrations, reaches the effect of lifting on-board air conditioner shock resistance.
Fig. 2 is the flow chart of the control method of on-board air conditioner according to a second embodiment of the present invention, it is necessary to explanation, sheet
The control method of the on-board air conditioner of inventive embodiments can be as the control method of the on-board air conditioner of first embodiment of the invention
Preferred embodiment, as shown in Fig. 2, the control method of the on-board air conditioner comprises the following steps：
Step S202, judges whether on-board air conditioner has vibrations.
Vibrations by detecting on-board air conditioner obtain the vibrations parameter of on-board air conditioner, judge whether on-board air conditioner has vibrations.
The vibrations parameter of air-conditioning is completed by certain detection device, for example, vibrations parameter is detected by sensor, can be with
Detect the signal of change.The detection state of sensor is monitored in real time by CPU.
Detect the vibrations parameter of on-board air conditioner, it is preferable that the velocity variations of on-board air conditioner are detected using velocity sensor
Parameter, by speed change parameter acquisition speed parameter signal, to be analyzed speed parameter signal, handled.Can be to speed
Spend parameter signal and perform filtering process with certain filtering method, eliminate noise signal, so as to obtain accurate speed parameter letter
Number.Dissection process is carried out to the speed parameter signal after filtered processing again, obtains the vibrations parameter of on-board air conditioner.Then sentence
Whether the value of disconnected vibrations parameter is more than predetermined threshold value, if it is judged that the value of vibrations parameter is more than predetermined threshold value, then judges vehicle-mounted
Air-conditioning has vibrations.Otherwise, continue the vibrations parameter of detection on-board air conditioner, judge whether it shakes.
Step S204, controls relay.
After the vibrations by detecting on-board air conditioner obtain the value of the vibrations parameter of on-board air conditioner, judge to shake parameter
Value whether be more than predetermined threshold value, if it is judged that the value of vibrations parameter is more than predetermined threshold value, then micro-control unit (Micro
Control Unit, referred to as MCU) certain voltage or electric current are lifted to control circuit, the control module of relay is implemented
Intensive control.
Step S206, calculates direction and the amplitude of on-board air conditioner vibrations.
After the control module implementation intensive control of relay, calculating can be performed to the vibrations parameter having been detected by
Control parameter is obtained, shake control signal is generated by control parameter.Preferably, meter is performed to the speed parameter signal detected
Calculate, it may be determined that on-board air conditioner vibrations direction and vibrations amplitude, then by air-conditioning vibrations direction and vibrations amplitude and then
Determine control parameter, the last shake control signal according to definite control parameter generation on-board air conditioner, including be calculated
Control signal intensity and relay magnet are attracted duration.
Alternatively, the species of the shake control signal of generation includes voltage control signal and current controling signal.Pass through electricity
Pressure control signal performs control to the relay of on-board air conditioner, alternatively, by current controling signal to the relay of on-board air conditioner
Perform control.Concrete foundation sensor feedback shakes severe degree, by the corresponding voltage control signal of on-board air conditioner dynamical output
Or current controling signal, relay is had stronger the suction-combining force in vibrations and shock.
In this embodiment, alternatively, when the value for the vibrations parameter that sensor detects is more than predetermined threshold value, by MCU
Certain voltage or electric current are lifted by control circuit, intensified operation is implemented to the control module of relay, then further according to biography
The value for the vibrations parameter that sensor returns is calculated, and micro-adjustment voltage or electric current are to corresponding value, by including digital simulation amount
(Data Analog, abbreviation DA), or pulsewidth modulation (Pulse Width Modulator, referred to as PWM) etc. have voltage
The output module output voltage control signal of controllable function, or by including input/output port (Input Output, abbreviation
For IO) etc. there is the module output current control signal that electric current can be set so that relay performs corresponding control behaviour
Make.
Step S208, relay are released back into normal condition.
When on-board air conditioner vibrations recover steady, then on-board air conditioner inputs normal voltage or electric current to relay, avoids
Under high current, the problem of causing heat to increase, while avoid under long-time high pressure conditions, relay life seriously reduces
The problem of.
The control method of the on-board air conditioner of the embodiment is using judging whether on-board air conditioner has vibrations, if it is judged that vibrations
The value of parameter is more than predetermined threshold value, then judges that on-board air conditioner has vibrations, then controls the control module of relay to implement to strengthen control
System, to control relay to perform control, last relay is released back into normally for the direction of calculating on-board air conditioner vibrations and amplitude afterwards
State, so as to reach the effect of lifting on-board air conditioner shock resistance.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions
Performed in computer system, although also, show logical order in flow charts, in some cases, can be with not
The order being same as herein performs shown or described step.
The embodiment of the present invention additionally provides a kind of control device of on-board air conditioner, it is necessary to explanation, the car of the embodiment
The control device for carrying air-conditioning can be used for the control method for performing the on-board air conditioner of the embodiment of the present invention.
Fig. 3 is the schematic diagram of the detection device of capacitance type sensor according to a first embodiment of the present invention, as shown in figure 4,
The device includes detection unit 10, judging unit 20, acquiring unit 30 and control unit 40.
Detection unit 10, for detecting the vibrations parameter of on-board air conditioner.The shake of on-board air conditioner is detected by detection unit 10
Move to obtain the vibrations parameter of on-board air conditioner.The vibrations parameter of air-conditioning is completed by certain detection device, and alternatively, detection is single
Member 10 detects the speed change parameter of on-board air conditioner using velocity sensor, is believed by speed change parameter acquisition speed parameter
Number, to be analyzed speed parameter signal, be handled.Detection unit 10 also holds speed parameter signal with certain filtering method
Row filtering process, then dissection process is carried out to the speed parameter signal after filtered processing, so as to obtain the shake of on-board air conditioner
Dynamic parameter.
Whether judging unit 20, the value for judging to shake parameter are more than predetermined threshold value.Obtained and shaken by detection unit 10
After the value of dynamic parameter, judging unit 20 judges the value of vibrations parameter and the relation of predetermined threshold value.Alternatively, judging unit 20 is sentenced
Whether the value of disconnected vibrations parameter is more than predetermined threshold value, if it is judged that the value of vibrations parameter is more than predetermined threshold value, then will be to relay
The control module of device implements intensive control.
Acquiring unit 30, for judging unit 20 when judging that the value for shaking parameter is more than predetermined threshold value, obtains vibrations
Control signal, wherein, shake control signal reaches used control signal during preset condition for the vibrations of on-board air conditioner.
The embodiment, which obtains shake control signal, to be included：Control is calculated by being performed to the vibrations parameter having been detected by
Parameter processed, shake control signal is generated by control parameter.Preferably, calculating is performed to the speed parameter signal detected, can
To determine the amplitude in the direction of on-board air conditioner vibrations and vibrations, then by the direction of on-board air conditioner vibrations and the amplitude of vibrations and then really
Control parameter is determined, finally, according to the shake control signal of definite control parameter generation on-board air conditioner, including the control being calculated
Signal strength processed and relay magnet are attracted duration.Alternatively, the shake control signal kinds of generation include voltage control
Signal and current controling signal processed.
Control unit 40, for performing control to on-board air conditioner by shake control signal.
Acquiring unit 30 obtain shake control signal after, according to the shake control signal that acquiring unit 30 is got to after
The control module of electric appliance performs control.Alternatively, the relay of on-board air conditioner is performed according to the voltage control signal got
Corresponding control operation, alternatively, performing corresponding control to the relay of on-board air conditioner according to the current controling signal got
Operation, so as to fulfill the control to on-board air conditioner.
Fig. 4 is the schematic diagram of the control device of on-board air conditioner according to a second embodiment of the present invention.At one of the present invention
In embodiment, acquiring unit 30 includes computing module 31 and generation module 32.As shown in figure 4, the device of the embodiment includes inspection
Unit 10, judging unit 20, acquiring unit 30 and control unit 40 are surveyed, wherein, acquiring unit 30 includes computing module 31 and life
Into module 32.
Computing module 31, for performing calculating to vibrations parameter, obtains control parameter.To the vibrations parameter having been detected by
Control parameter is calculated in execution, it is preferable that performs calculating to the speed parameter signal detected, determines control parameter.
Generation module 32, for generating shake control signal according to control parameter.Control parameter is obtained in computing module 31
Afterwards, according to the shake control signal of definite control parameter generation on-board air conditioner, including the control signal intensity being calculated
Duration is attracted with relay magnet.
Fig. 5 is the schematic diagram of the control device of on-board air conditioner according to a third embodiment of the present invention.At one of the present invention
In embodiment, computing module 31 includes calculating sub module 311 and determining module 312.As shown in figure 5, the device bag of the embodiment
Detection unit 10, judging unit 20, acquiring unit 30 and control unit 40 are included, wherein, acquiring unit 30 includes computing module 31
With generation module 32, computing module 31 further includes calculating sub module 311 and determining module 312.
Calculating sub module 311, for performing calculating to vibrations parameter, determines the direction of on-board air conditioner vibrations and the width of vibrations
Degree.After judging unit 20 judges that the value for the vibrations parameter that detection unit 10 detects is more than predetermined threshold value, to shaking parameter
Perform calculating, it is preferable that speed parameter signal performs calculating, it may be determined that the direction of on-board air conditioner vibrations and the amplitude of vibrations.
Determining module 312, control parameter is determined for the direction shaken according to on-board air conditioner and the amplitude of vibrations.By counting
After operator module 311 calculates the direction of on-board air conditioner vibrations and the amplitude of vibrations, on-board air conditioner is determined by determining module 312
Control parameter.
In one embodiment of the invention, acquiring unit 30 is used to obtain voltage control signal, and control unit 40 is used for
Control is performed to the relay of on-board air conditioner by voltage control signal.
In one embodiment of the invention, acquiring unit 30 is used to obtain current controling signal, and control unit 40 is used for
Control is performed to the relay of on-board air conditioner by current controling signal.
Fig. 6 is the schematic diagram of the control device of on-board air conditioner according to a fourth embodiment of the present invention.At one of the present invention
In embodiment, detection unit 10 includes detection module 11 and processing module 12.As shown in fig. 6, the device of the embodiment includes inspection
Unit 10, judging unit 20, acquiring unit 30 and control unit 40 are surveyed, wherein, detection unit 10 further includes 11 He of detection module
Processing module 12.
Detection module 11, the speed change parameter of on-board air conditioner is detected for the sensor changed by detection speed,
So as to obtain speed parameter signal.Alternatively, the speed of on-board air conditioner is monitored by the monitoring system of on-board air conditioner, by detection module
11 detect the speed change parameter of on-board air conditioner using velocity sensor, are believed by speed change parameter acquisition speed parameter
Number, to be analyzed speed parameter signal, be handled.
Processing module 12, for performing filtering process and dissection process to speed parameter signal, obtains the shake of on-board air conditioner
Dynamic parameter., can be to speed parameter signal with certain filtering method after obtaining speed parameter signal by detection module 11
Filtering process is performed to eliminate noise signal, so as to obtain accurate speed parameter signal.Processing module 12 is again to filtered
Speed parameter signal after processing carries out dissection process, so as to obtain the vibrations parameter of on-board air conditioner.
The control device of the on-board air conditioner of the embodiment of the present invention detects the vibrations parameter of on-board air conditioner by detection unit 10,
Whether the value for judging to shake parameter by judging unit 20 is more than predetermined threshold value, judges to shake parameter by acquiring unit 30
When value is more than predetermined threshold value, shake control signal is obtained, control unit 40 performs control by shake control signal to on-board air conditioner
System.Wherein, for the acquisition of control signal, including by computing module 31 to vibrations parameter perform calculating, obtain control parameter,
Shake control signal is generated according to control parameter by generation module 32.Calculating is performed for vibrations parameter, including passes through calculating
Submodule 311 performs calculating to vibrations parameter, determines the direction of on-board air conditioner vibrations and the amplitude of vibrations, passes through determining module
The amplitude of 312 directions shaken according to on-board air conditioner and vibrations determines control parameter.The vibrations parameter of on-board air conditioner is detected, including
The sensor that detection module 11 is changed by detection speed detects the speed change parameter of on-board air conditioner, obtains speed parameter letter
Number, filtering process and dissection process are performed to speed parameter signal by processing module 12, obtain the vibrations parameter of on-board air conditioner,
So as to reach the effect of lifting on-board air conditioner shock resistance.
The embodiment of the present invention additionally provides a kind of control device of on-board air conditioner, and the control device of the on-board air conditioner can be made
For the preferred embodiment of the control device of the on-board air conditioner of the embodiment of the present invention.
Fig. 7 is the schematic diagram of the control device of on-board air conditioner according to a fifth embodiment of the present invention, as shown in fig. 7, the dress
Put including sensor 50 and processor 60.
Sensor 50, for detecting the vibrations parameter of on-board air conditioner, CPU can monitor the state of sensor 50 in real time.Pass
Sensor 50 can be the sensor of detection speed change, that is, velocity sensor.Preferably, sensor 50 detects on-board air conditioner
Vibrations parameter include the speed change parameter of on-board air conditioner.
Whether processor 60, the value for judging to shake parameter are more than predetermined threshold value, judge to shake in judging unit 20
When the value of parameter is more than predetermined threshold value, acquiring unit 30 obtains shake control signal, and control unit 40 passes through shake control
Signal performs control to on-board air conditioner, wherein, shake control signal uses when reaching preset condition by the vibrations of on-board air conditioner
Control signal.
The control device of on-board air conditioner further includes voltage voltage stabilizing chip and relay driving module, wherein, processor is used for
Control is performed to the relay of on-board air conditioner by voltage voltage stabilizing chip and relay driving module.Obtaining shake control signal can
With including obtaining voltage control signal.Voltage control signal can be directly controlled the output control foot of voltage voltage stabilizing chip by CPU
Export corresponding control signal.Controllable voltage is exported to obtain voltage control signal by voltage voltage stabilizing chip, then passes through phase
The relay driving module of pass completes the control to on-board air conditioner relay jointly.
The control device of on-board air conditioner further includes constant-current source control module, wherein, processor is used to control by constant-current source
Module performs control to the relay of on-board air conditioner.Obtaining shake control signal can include obtaining current controling signal, electric current
Control signal can be exported by current control module.Current control module includes constant-current source control module, constant-current source control
Module includes voltage mode control mode and current-mode control mode again, and control CPU exports corresponding shake control signal, to car
The relay for carrying air-conditioning performs control.
The embodiment of the present invention additionally provides a kind of on-board air conditioner, which can be used for performing the embodiment of the present invention
The control device of any on-board air conditioner, for performing control to on-board air conditioner.
The on-board air conditioner of the embodiment by a set of real-time monitoring system, detection module, voltage or current control circuit and
Relay forms.When the value for the vibrations parameter that sensor returns exceedes predetermined threshold value, MCU is first by controlling control circuit to carry
Certain voltage or electric current are risen, the value of the vibrations parameter then returned further according to sensor is calculated, trim voltage or electric current
To corresponding value, the relay of on-board air conditioner performs control.In this way, sensor feedback shakes severe degree, moved by on-board air conditioner
State output control curtage, makes relay have stronger the suction-combining force in vibrations and shock, and in the flation, it is vehicle-mounted
The normal output control curtage of air-conditioning, avoiding high current can cause on-board air conditioner heat to increase, high for a long time
Under pressure condition, the problem of relay life can be reduced seriously.
The embodiment of the present invention is joined on the basis of still traditional mechanical relay is used according to the vibrations of on-board air conditioner
The definite control signal of number, control is performed using the voltage of dynamical output on-board air conditioner or the relay of current control on-board air conditioner,
Outside lifting on-board air conditioner shock resistance under steam, also with on-board air conditioner low cost, service life high effect.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Performed in the storage device by computing device, either they are fabricated to respectively each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention be not restricted to it is any specific
Hardware and software combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (14)
- A kind of 1. control method of on-board air conditioner, it is characterised in that including：Detect the vibrations parameter of on-board air conditioner；Judge whether the value of the vibrations parameter is more than predetermined threshold value；If it is judged that the value of the vibrations parameter is more than the predetermined threshold value, then shake control signal is obtained, wherein, the shake Dynamic control signal reaches used control signal during preset condition for the vibrations of the on-board air conditioner；AndControl is performed to the on-board air conditioner by the shake control signal；Wherein, detecting the vibrations parameter of on-board air conditioner includes：The sensor changed by detection speed detects the on-board air conditioner Speed change parameter, obtain speed parameter signal；And filtering process and dissection process are performed to the speed parameter signal, Obtain the vibrations parameter of the on-board air conditioner；Wherein, the shake control signal includes：Voltage control signal and current controling signal, pass through the shake control signal Performing control to the on-board air conditioner includes：According to the voltage control signal and current controling signal, corresponding control is performed to the on-board air conditioner；Wherein, the predetermined threshold value is to decide whether to carry out intensive control to the control module of the relay of the on-board air conditioner Value.
- 2. according to the method described in claim 1, it is characterized in that, obtaining the shake control signal includes：Calculating is performed to the vibrations parameter, obtains control parameter；AndThe shake control signal is generated according to the control parameter.
- 3. according to the method described in claim 2, it is characterized in that, to it is described vibrations parameter perform calculating, obtain control parameter Including：Calculating is performed to the vibrations parameter, determines the direction of the on-board air conditioner vibrations and the amplitude of vibrations；AndThe direction shaken according to the on-board air conditioner and the amplitude of vibrations determine the control parameter.
- 4. according to the method described in claim 1, it is characterized in that,Obtaining the shake control signal includes：Obtain voltage control signal,Performing control to the on-board air conditioner by the shake control signal includes：By the voltage control signal to described The relay of on-board air conditioner performs control.
- 5. according to the method described in claim 1, it is characterized in that,Obtaining the shake control signal includes：Obtain current controling signal,Performing control to the on-board air conditioner by the shake control signal includes：By the current controling signal to described The relay of on-board air conditioner performs control.
- A kind of 6. control device of on-board air conditioner, it is characterised in that including：Detection unit, for detecting the vibrations parameter of on-board air conditioner；Whether judging unit, the value for judging the vibrations parameter are more than predetermined threshold value；Acquiring unit, for when judging that the value for shaking parameter is more than the predetermined threshold value, obtaining shake control signal, Wherein, the shake control signal reaches used control signal during preset condition for the vibrations of the on-board air conditioner；AndControl unit, for performing control to the on-board air conditioner by the shake control signal；The detection unit includes：Detection module, the sensor for being changed by detection speed detect the on-board air conditioner Speed change parameter, obtains speed parameter signal；Processing module, conciliates for performing filtering process to the speed parameter signal Analysis is handled, and obtains the vibrations parameter of the on-board air conditioner；Wherein, the shake control signal includes：Voltage control signal and current controling signal, described control unit are additionally operable to root According to the voltage control signal and current controling signal, corresponding control is performed to the on-board air conditioner；Wherein, the predetermined threshold value is to decide whether to carry out intensive control to the control module of the relay of the on-board air conditioner Value.
- 7. device according to claim 6, it is characterised in that the acquiring unit includes：Computing module, for performing calculating to the vibrations parameter, obtains control parameter；AndGeneration module, for generating the shake control signal according to the control parameter.
- 8. device according to claim 7, it is characterised in that the computing module includes：Calculating sub module, for performing calculating to the vibrations parameter, determines direction and the vibrations of the on-board air conditioner vibrations Amplitude；AndDetermining module, the control parameter is determined for the direction shaken according to the on-board air conditioner and the amplitude of vibrations.
- 9. device according to claim 6, it is characterised in that the acquiring unit is used to obtain voltage control signal, institute Control unit is stated to be used to perform control to the relay of the on-board air conditioner by the voltage control signal.
- 10. device according to claim 6, it is characterised in that the acquiring unit is used to obtain current controling signal, institute Control unit is stated to be used to perform control to the relay of the on-board air conditioner by the current controling signal.
- A kind of 11. control device of on-board air conditioner, it is characterised in that including：Sensor, for detecting the vibrations parameter of on-board air conditioner, wherein, the sensor changed by detection speed detects the car The speed change parameter of air-conditioning is carried, obtains speed parameter signal；And filtering process is performed to the speed parameter signal and is conciliate Analysis is handled, and obtains the vibrations parameter of the on-board air conditioner；AndWhether processor, the value for judging the vibrations parameter are more than predetermined threshold value, are judging the value of the vibrations parameter During more than the predetermined threshold value, obtain shake control signal and control is performed to the on-board air conditioner by the shake control signal System, wherein, the shake control signal reaches used control signal during preset condition for the vibrations of the on-board air conditioner；Wherein, the shake control signal includes：Voltage control signal and current controling signal, the processor are additionally operable to basis The voltage control signal and current controling signal, perform the on-board air conditioner corresponding control；Wherein, the predetermined threshold value is to decide whether to carry out intensive control to the control module of the relay of the on-board air conditioner Value.
- 12. according to the devices described in claim 11, it is characterised in that further include voltage voltage stabilizing chip and relay driving mould Block, wherein, the processor is used for by the voltage voltage stabilizing chip and the relay driving module to the on-board air conditioner Relay perform control.
- 13. according to the devices described in claim 11, it is characterised in that constant-current source control module is further included, wherein, the processing Device is used to perform control to the relay of the on-board air conditioner by the constant-current source control module.
- 14. a kind of on-board air conditioner, it is characterised in that include the control of the on-board air conditioner any one of claim 6 to 13 Device.
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| CN106226627B (en) * | 2016-08-19 | 2019-05-17 | 北京汽车股份有限公司 | The electromagnetic compatible testing method and system of on-board air conditioner |
| CN106808965A (en) * | 2017-01-24 | 2017-06-09 | 广东美芝制冷设备有限公司 | The control method and device of automobile air conditioner compressor, air-conditioner, automobile |
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