CN105082937A - Air conditioner control method and system of blade electric vehicle and blade electric vehicle - Google Patents
Air conditioner control method and system of blade electric vehicle and blade electric vehicle Download PDFInfo
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- CN105082937A CN105082937A CN201510437872.9A CN201510437872A CN105082937A CN 105082937 A CN105082937 A CN 105082937A CN 201510437872 A CN201510437872 A CN 201510437872A CN 105082937 A CN105082937 A CN 105082937A
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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
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00764—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a vehicle driving condition, e.g. speed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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- Air-Conditioning For Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides an air conditioner control method and system of a blade electric vehicle and the blade electric vehicle. The method comprises the steps that when an air conditioner operating request is received, the operating state of an air conditioner is adjusted according to the whole vehicle insulation resistance, the SOC of a power battery and the opening degree of an accelerator pedal, and when the SOC is larger than a first threshold value, the whole vehicle insulation resistance is larger than a second threshold value, and the opening degree of the accelerator pedal is smaller than or equal to a preset opening degree, the air conditioner is controlled to operate in a normal operating manner; when the SOC is larger than a third threshold value and smaller than or equal to the first threshold value, the whole vehicle insulation resistance is larger than a fourth threshold value, or the opening degree of the accelerator pedal is larger than the preset opening degree, and the whole vehicle insulating resistance is larger than the fourth threshold value, the air conditioner is controlled to operate in a power limiting operating manner; and when the SOC is smaller than or equal to the third threshold value or the whole vehicle insulation resistance is smaller than or equal to the fourth threshold value, the air conditioner is forbidden from operating. According to the method, vehicle energy saving and the taking comfort for passengers can be balanced and optimized well, and the service life of the power battery is prolonged.
Description
Technical field
The present invention relates to field of automobile, particularly a kind of air conditioning control method of pure electric automobile, system and pure electric automobile.
Background technology
Along with the development in new-energy automobile market, require also more and more higher to pure electric automobile in course continuation mileage and travelling comfort, air-conditioning is the main power consuming device of pure electric automobile, accounts for 1/3rd of car load power consumption.Traditional control method is mainly considered from air-conditioning self-view, the benchmark only regulated using vehicle interior temperature as running state of air conditioner, have impact on car load continual mileage when improving traveling comfort.And when car load electricity is lower in order to enough electrical energy drive automobiles can be had to arrive destination, generally take the way of directly closing air-conditioning, have impact on again the travelling comfort of passenger when improving car load continual mileage like this, energy-conservation with traveling comfort on can not realize balance optimizing.
For pure electric automobile, on the low side but still when being in safety value scope at car load insulation resistance, or the SOC of electrokinetic cell is lower but still when can guarantee normally to exercise, nonessential for car load current consumer is stopped as far as possible or falls power using to make vehicle can arrive destination safely; In addition, pure electric automobile accelerates or when overtaking other vehicles, electrokinetic cell system electric discharge is large, for exempting from electrokinetic cell system overdischarge, needs the nonessential current consumer of car load to stop or falling power to use.It is independent control substantially that traditional air conditioning for automobiles controls, information interchange is not had with whole-control system, even if or air conditioner manipulator and entire car controller have information interchange, but do not set up the control logic associated with between the SOC state of acceleration pedal aperture, electrokinetic cell, car load insulation resistance, cause realizing energy-conservation with traveling comfort and extending the balance optimizing in the electrokinetic cell life-span.
Summary of the invention
The present invention is intended to solve one of technical matters in above-mentioned correlation technique at least to a certain extent.
For this reason, one object of the present invention is the air conditioning control method proposing a kind of pure electric automobile, and the method can realize the balance optimizing of the travelling comfort of vehicle energy saving and passenger well, extends electrokinetic cell service life.
Another object of the present invention is the air-conditioner control system providing a kind of pure electric automobile.
3rd object of the present invention is to provide a kind of pure electric automobile.
To achieve these goals, the embodiment of first aspect present invention proposes a kind of air conditioning control method of pure electric automobile, comprises the following steps: the SOC of acquisition car load insulation resistance, electrokinetic cell and acceleration pedal aperture; When receiving operation of air conditioner request, the running state of described air-conditioning is adjusted according to the SOC of described car load insulation resistance, electrokinetic cell and acceleration pedal aperture, wherein, when the SOC of electrokinetic cell is greater than first threshold, and car load insulation resistance is greater than Second Threshold, and acceleration pedal aperture is when being less than or equal to default aperture, controls described air-conditioning and run with normal operation mode; Be greater than the 3rd threshold value as the SOC of described electrokinetic cell and be less than or equal to first threshold and described car load insulation resistance is greater than the 4th threshold value, or described acceleration pedal aperture be greater than described default aperture and described car load insulation resistance is greater than the 4th threshold value time, control described air-conditioning and run to limit power mode of operation; When the SOC of described electrokinetic cell is less than or equal to the 3rd threshold value or described car load insulation resistance is less than or equal to described 4th threshold value, forbid described operation of air conditioner.
According to the air conditioning control method of the pure electric automobile of the embodiment of the present invention, when receiving operation of air conditioner request, control according to the SOC of car load insulation resistance, electrokinetic cell and the running state of acceleration pedal aperture to air-conditioning, well achieve all excellent weighing apparatusization of the travelling comfort of vehicle energy saving and passenger, extend electrokinetic cell service life.
In addition, the air conditioning control method of pure electric automobile according to the above embodiment of the present invention can also have following additional technical characteristic:
In some instances, the described air-conditioning of described control runs with normal operation mode, comprises further: obtain current environmental temperature and current vehicle interior temperature; When described air conditioner refrigerating, if described current environmental temperature is less than or equal to the first temperature threshold, control described air-conditioning with the 3rd Power operation, or when described air-conditioning heating, if described current environmental temperature is more than or equal to the second temperature threshold, control described air-conditioning with the 3rd Power operation; When described air conditioner refrigerating, if described current environmental temperature is greater than described first temperature threshold, the then difference of more described current vehicle interior temperature and preset temperature further, or when described air-conditioning heating, if described current environmental temperature is less than described second temperature threshold, then the difference of more described current vehicle interior temperature and preset temperature further; If the absolute value of described difference is greater than the first preset difference value, then control described air-conditioning with the first Power operation; If the absolute value of described difference is greater than the second preset difference value and be less than the first preset difference value, then control described air-conditioning with the second Power operation; If the absolute value of described difference is less than the second preset difference value, then control described air-conditioning with the 3rd Power operation, wherein, described first power is greater than the second power, and described second power is greater than the 3rd power.
In some instances, the running power of described limit power mode of operation equals described 3rd power.
In some instances, described first temperature threshold is 26 ~ 30 DEG C, and described second temperature threshold is 8 ~ 12 DEG C, and described first preset difference value is 3 ~ 6 DEG C, and described second preset difference value is 1 ~ 3 DEG C.
The air-conditioner control system that embodiment still provides a kind of pure electric automobile of second aspect present invention, comprising: acquisition module, for obtaining car load insulation resistance, the SOC of electrokinetic cell and acceleration pedal aperture; Controller, for when receiving operation of air conditioner request, the running state of described air-conditioning is adjusted according to the SOC of described car load insulation resistance, electrokinetic cell and acceleration pedal aperture, wherein, when the SOC of electrokinetic cell is greater than first threshold, and car load insulation resistance is greater than Second Threshold, and when acceleration pedal aperture is less than or equal to default aperture, described controller controls described air-conditioning and runs with normal operation mode; Be greater than the 3rd threshold value as the SOC of described electrokinetic cell and be less than or equal to first threshold and described car load insulation resistance is greater than the 4th threshold value, or described acceleration pedal aperture be greater than described default aperture and described car load insulation resistance is greater than the 4th threshold value time, described controller controls described air-conditioning and runs to limit power mode of operation; When the SOC of described electrokinetic cell is less than or equal to the 3rd threshold value or described car load insulation resistance is less than or equal to described 4th threshold value, described operation of air conditioner forbidden by described controller.
According to the air-conditioner control system of the pure electric automobile of the embodiment of the present invention, when receiving operation of air conditioner request, control according to the SOC of car load insulation resistance, electrokinetic cell and the running state of acceleration pedal aperture to air-conditioning, well achieve all excellent weighing apparatusization of the travelling comfort of vehicle energy saving and passenger, extend electrokinetic cell service life.
In addition, the air-conditioner control system of pure electric automobile according to the above embodiment of the present invention can also have following additional technical characteristic:
In some instances, also comprising: environment temperature sensor, for detecting current environmental temperature, and described current environmental temperature being sent to described controller; Vehicle interior temperature sensor, for detecting current vehicle interior temperature, and sends to described controller by described current vehicle interior temperature.
In some instances, described controller controls described air-conditioning and runs with normal operation mode, comprises further: obtain current environmental temperature and current vehicle interior temperature; When described air conditioner refrigerating, if described current environmental temperature is less than or equal to the first temperature threshold, control described air-conditioning with the 3rd Power operation, or when described air-conditioning heating, if described current environmental temperature is more than or equal to the second temperature threshold, control described air-conditioning with the 3rd Power operation; When described air conditioner refrigerating, if described current environmental temperature is greater than described first temperature threshold, the then difference of more described current vehicle interior temperature and preset temperature further, or when described air-conditioning heating, if described current environmental temperature is less than described second temperature threshold, then the difference of more described current vehicle interior temperature and preset temperature further; If the absolute value of described difference is greater than the first preset difference value, then control described air-conditioning with the first Power operation; If the absolute value of described difference is greater than the second preset difference value and be less than the first preset difference value, then control described air-conditioning with the second Power operation; If the absolute value of described difference is less than the second preset difference value, then control described air-conditioning with the 3rd Power operation, wherein, described first power is greater than the second power, and described second power is greater than the 3rd power.
In some instances, the running power of described limit power mode of operation equals described 3rd power.
Third aspect present invention embodiment still provides a kind of pure electric automobile, comprise the air-conditioner control system of the described pure electric automobile that second aspect present invention embodiment provides.
According to the pure electric automobile of the embodiment of the present invention, all excellent weighing apparatusization of the travelling comfort of vehicle energy saving and passenger can be realized well.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the diagram of circuit of the air conditioning control method of pure electric automobile according to an embodiment of the invention;
Fig. 2 is the diagram of circuit of the air conditioning control method of pure electric automobile in accordance with another embodiment of the present invention;
Fig. 3 is the structured flowchart of the air-conditioner control system of pure electric automobile according to an embodiment of the invention; And
Fig. 4 is the structured flowchart of the air-conditioner control system of pure electric automobile in accordance with another embodiment of the present invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Below in conjunction with accompanying drawing, air conditioning control method, system and the pure electric automobile according to the pure electric automobile of the embodiment of the present invention is described.
Fig. 1 is the diagram of circuit of the air conditioning control method of pure electric automobile according to an embodiment of the invention.As shown in Figure 1, the method comprises the following steps:
Step S101, the SOC of acquisition car load insulation resistance, electrokinetic cell and acceleration pedal aperture.In other words, namely this step detects the state of insulation of car load, car load SOC state and acceleration pedal aperture.
Step S102, when receiving operation of air conditioner request (such as chaufeur presses air conditioning switch, and air-conditioning is opened in request), according to the SOC of car load insulation resistance, electrokinetic cell and the running state of acceleration pedal aperture adjustment air-conditioning.Specifically, this step is further comprising the steps:
Step S103, when the SOC of electrokinetic cell is greater than first threshold, and car load insulation resistance is greater than Second Threshold, and when acceleration pedal aperture is less than or equal to default aperture, controls air-conditioning and run with normal operation mode.Particularly, this step is further comprising the steps:
Step 1: obtain current environmental temperature and current vehicle interior temperature.
Step 2: when air conditioner refrigerating, if current environmental temperature is less than or equal to the first temperature threshold, control air-conditioning with the 3rd Power operation, or when air-conditioning heating, if current environmental temperature is more than or equal to the second temperature threshold, control air-conditioning with the 3rd Power operation.
Step 3: when air conditioner refrigerating, if current environmental temperature is greater than the first temperature threshold, the then difference of more current vehicle interior temperature and preset temperature further, or when air-conditioning heating, if current environmental temperature is less than the second temperature threshold, then the difference of more current vehicle interior temperature and preset temperature further.
Step 4: if the absolute value of the difference of current vehicle interior temperature and preset temperature is greater than the first preset difference value, then control air-conditioning with the first Power operation.
Step 5: if the absolute value of the difference of current vehicle interior temperature and preset temperature is greater than the second preset difference value and be less than the first preset difference value, then control air-conditioning with the second Power operation.
Step 6: if the absolute value of the difference of current vehicle interior temperature and preset temperature is less than the second preset difference value, then control described air-conditioning with the 3rd Power operation.
Wherein, in the examples described above, the first power is greater than the second power, and the second power is greater than the 3rd power.Comparatively speaking, can be understood as: the first power is high-power, the second power is mid power, and the 3rd power is miniwatt.
Step S104, be greater than the 3rd threshold value as the SOC of electrokinetic cell and be less than or equal to first threshold and car load insulation resistance is greater than the 4th threshold value, or acceleration pedal aperture be greater than default aperture and car load insulation resistance is greater than the 4th threshold value time, control air-conditioning run to limit power mode of operation.Wherein, in one embodiment of the invention, the running power of power mode of operation is limit to equal the 3rd power, i.e. miniwatt.
Step S105, when the SOC of electrokinetic cell is less than or equal to the 3rd threshold value or car load insulation resistance is less than or equal to the 4th threshold value, forbids operation of air conditioner.
Wherein, in examples more of the present invention, such as, above-mentioned first threshold is 30%, 3rd threshold value is the 20%, first temperature threshold is 26 ~ 30 DEG C, and the second temperature threshold is 8 ~ 12 DEG C, first preset difference value is 3 ~ 6 DEG C, and the second preset difference value is 1 ~ 3 DEG C, and default aperture is such as 80%.First power (high-power) is such as 70% ~ 100% of air-conditioning maximum power, second power (air-conditioning mid power) is such as that the 50% ~ 70%, three power (miniwatt) of air-conditioning maximum power is such as less than 50% of air-conditioning maximum power.
As concrete example, describe the concrete operations flow process of air conditioning control method in specific implementation process of the pure electric automobile of the above embodiment of the present invention in detail below in conjunction with Fig. 2.As shown in Figure 2, in this example, the method comprises the following steps:
Step S1: ignition key switch goes to ON shelves from OFF shelves, car load low pressure powers on, and entire car controller self-inspection completes initiation parameter.
Step S2: after ignition key switch goes to START shelves from ON shelves, entire car controller judges whether to meet high pressure power-up conditions, if so, then performs step S3, if not, then performs step S4.
Step S3: high pressure main contactor closes, and car load high pressure powers on.
Step S4: car load high pressure does not power on, fault alarm.
Step S5: after car load high pressure powers on, entire car controller analysis judges car load SOC (dump energy) information, car load state of insulation information and acceleration pedal opening information.After chaufeur opens air conditioner power switch, air-conditioning carries out self-inspection, after self-inspection, entire car controller controls according to the running state of temperature information to air-conditioning in car load SOC (dump energy) information, car load state of insulation information, acceleration pedal opening information, current environmental temperature information and current vehicle.Specifically comprise the following steps:
Step S501: if the SOC of electrokinetic cell is higher than first threshold C0, and car load insulation resistance is higher than Second Threshold Y0, and acceleration pedal aperture is not more than default aperture D0, then vehicle control unit controls air-conditioning runs with normal operation mode.This step specifically comprises the following steps:
Step S5011: if current environmental temperature is not more than the first temperature threshold K3 (during refrigeration) or is not less than the second temperature threshold K5 (when heating), and entire car controller exports the signal allowing high-power using air-condition, then air-conditioning runs with miniwatt (the 3rd power).Step S5012: if current environmental temperature is greater than the first temperature threshold K3 (during refrigeration) or is less than the second temperature threshold K5 (when heating), then difference between more current vehicle interior temperature K1 and preset temperature K0.
Step S5013: if K1-K0>a (refrigeration) or K0-K1>a (heating), and entire car controller exports the signal allowing high-power using air-condition, then air-conditioning runs with high-power (the first power).Wherein, a is the first preset difference value, and b is the second preset difference value.
Step S5014: if a>K1-K0>b (refrigeration) or a>K0-K1>b (heating), and entire car controller exports the signal allowing high-power using air-condition, then air-conditioning runs with mid power (the second power), to realize the balanced of refrigerating capacity and energy consumption.
Step S5015: if K1-K0<b (refrigeration) or K0-K1<b (heating), and entire car controller exports the signal filling high-power using air-condition perhaps, then air-conditioning with miniwatt (the 3rd power) run, now with Energy Conservation long battery life for main objective.
Step S502: if the SOC of electrokinetic cell be not more than first threshold C0 but higher than the 3rd threshold value C1 (C0 is greater than C1) and car load insulation resistance higher than the 4th threshold value Y1 (Y0 is greater than Y1), or acceleration pedal aperture be greater than default aperture D0 and car load insulation resistance higher than the 4th threshold value Y1 (Y0 is greater than Y1), then entire car controller exports the signal allowing miniwatt using air-condition, and air-conditioning runs with miniwatt (the 3rd power).
Step S503: if the SOC of electrokinetic cell is not more than the 3rd threshold value C1 or car load insulation resistance is not more than the 4th threshold value Y1, then entire car controller exports the signal prohibitting the use air-conditioning, air-conditioning can not carry out freezing or heating, and guarantees that the safety traffic of car load energy is to destination like this.
Wherein, in the examples described above, such as, entire car controller passes through CAN communication or the control signal of low and high level transmission to air-conditioning.More specifically, air-conditioning such as comprises A/C and air conditioner manipulator, and air conditioner manipulator controls A/C according to control signal and opens or close.
Further, in this example, such as, first temperature threshold K3 is 26 ~ 30 DEG C, and the second temperature threshold K5 is 8 ~ 12 DEG C, and the first preset difference value a is 3 ~ 6 DEG C, second preset difference value b is 1 ~ 3 DEG C, the first threshold C0 of the SOC of electrokinetic cell is 30%, and the 3rd threshold value C1 of the SOC of electrokinetic cell is 20%, and the default aperture D0 of acceleration pedal is 80%.Power during the high-power operation of air-conditioning can be 70% ~ 100% of air-conditioning maximum power, and power when air-conditioning mid power is run can be 50% ~ 70% of air-conditioning maximum power, and power when air-conditioning miniwatt is run such as is less than 50% of air-conditioning maximum power.
To sum up, according to the air conditioning control method of the pure electric automobile of the embodiment of the present invention, when receiving operation of air conditioner request, control according to the SOC of car load insulation resistance, electrokinetic cell, acceleration pedal aperture, current environmental temperature and the running state of current vehicle interior temperature to air-conditioning, achieve all excellent weighing apparatusization of the travelling comfort of vehicle energy saving and passenger well, extend electrokinetic cell service life.
Further embodiment of the present invention additionally provides a kind of air-conditioner control system of pure electric automobile.
Fig. 3 is the structured flowchart of the air-conditioner control system of pure electric automobile according to an embodiment of the invention.As shown in Figure 3, this system 100 comprises: acquisition module 110 and controller 120.
Wherein, acquisition module 110 is for obtaining car load insulation resistance, the SOC of electrokinetic cell and acceleration pedal aperture.
Controller 120 for when receiving operation of air conditioner request (such as chaufeur presses air conditioning switch, request open air-conditioning), according to the SOC of car load insulation resistance, electrokinetic cell and the running state of acceleration pedal aperture adjustment air-conditioning.Specifically, when the SOC of electrokinetic cell is greater than first threshold, and car load insulation resistance is greater than Second Threshold, and when acceleration pedal aperture is less than or equal to default aperture, controller 120 controls air-conditioning and runs with normal operation mode; Be greater than the 3rd threshold value as the SOC of electrokinetic cell and be less than or equal to first threshold and car load insulation resistance is greater than the 4th threshold value, or acceleration pedal aperture be greater than default aperture and car load insulation resistance is greater than the 4th threshold value time, controller 120 controls air-conditioning and runs to limit power mode of operation; When the SOC of electrokinetic cell is less than or equal to the 3rd threshold value or car load insulation resistance is less than or equal to the 4th threshold value, operation of air conditioner forbidden by controller 120.Wherein, in some instances, such as, controller 120 is entire car controller.
Further, in one embodiment of the invention, as shown in Figure 4, this system 100 such as also comprises environment temperature sensor 130 and vehicle interior temperature sensor 140.
Wherein, current environmental temperature for detecting current environmental temperature, and is sent to controller 120 by environment temperature sensor 130.Vehicle interior temperature sensor 140, for detecting current vehicle interior temperature, and sends to controller 120 by current vehicle interior temperature.
In some instances, controller 120 controls air-conditioning and runs with normal operation mode, comprise further: when air conditioner refrigerating, if current environmental temperature is less than or equal to the first temperature threshold, control air-conditioning with the 3rd Power operation, or when air-conditioning heating, if current environmental temperature is more than or equal to the second temperature threshold, then control air-conditioning with the 3rd Power operation; When air conditioner refrigerating, if current environmental temperature is greater than the first temperature threshold, then the difference of further described current vehicle interior temperature and preset temperature, or when air-conditioning heating, if current environmental temperature is less than the second temperature threshold, then the difference of more current vehicle interior temperature and preset temperature further; If the absolute value of difference is greater than the first preset difference value, then control air-conditioning with the first Power operation; If the absolute value of difference is greater than the second preset difference value and be less than the first preset difference value, then control air-conditioning with the second Power operation; If the absolute value of difference is less than the second preset difference value, then control air-conditioning with the 3rd Power operation, wherein, the first power is greater than the second power, and the second power is greater than the 3rd power.Comparatively speaking, can be understood as: the first power is high-power, the second power is mid power, and the 3rd power is miniwatt.
Wherein, in the examples described above, the running power under power mode of operation is limit to equal the 3rd power, i.e. miniwatt.
Wherein, in examples more of the present invention, such as, above-mentioned first threshold is 30%, 3rd threshold value is the 20%, first temperature threshold is 26 ~ 30 DEG C, and the second temperature threshold is 8 ~ 12 DEG C, first preset difference value is 3 ~ 6 DEG C, and the second preset difference value is 1 ~ 3 DEG C, and default aperture is such as 80%.First power (high-power) is such as 70% ~ 100% of air-conditioning maximum power, second power (air-conditioning mid power) is such as that the 50% ~ 70%, three power (miniwatt) of air-conditioning maximum power is such as less than 50% of air-conditioning maximum power.
It should be noted that, the air conditioning control method of the specific implementation of the air-conditioner control system of the pure electric automobile of the embodiment of the present invention and the pure electric automobile of the above embodiment of the present invention is similar, for reducing redundancy, repeats no more herein.
To sum up, according to the air-conditioner control system of the pure electric automobile of the embodiment of the present invention, when receiving operation of air conditioner request, control according to the SOC of car load insulation resistance, electrokinetic cell and the running state of acceleration pedal aperture to air-conditioning, achieve all excellent weighing apparatusization of the travelling comfort of vehicle energy saving and passenger well, extend electrokinetic cell service life.
Further embodiment of the present invention additionally provides a kind of pure electric automobile, comprises the air-conditioner control system 100 of the pure electric automobile described by the above embodiment of the present invention.
According to the pure electric automobile of the embodiment of the present invention, all excellent weighing apparatusization of the travelling comfort of vehicle energy saving and passenger can be realized well.
In describing the invention, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification sheets or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (9)
1. an air conditioning control method for pure electric automobile, is characterized in that, comprises the following steps:
The SOC of acquisition car load insulation resistance, electrokinetic cell and acceleration pedal aperture;
When receiving operation of air conditioner request, adjust the running state of described air-conditioning according to the SOC of described car load insulation resistance, described electrokinetic cell and described acceleration pedal aperture,
Wherein, when the SOC of described electrokinetic cell is greater than first threshold, and described car load insulation resistance is greater than Second Threshold, and when described acceleration pedal aperture is less than or equal to default aperture, controls described air-conditioning and run with normal operation mode;
Be greater than the 3rd threshold value as the SOC of described electrokinetic cell and be less than or equal to described first threshold and described car load insulation resistance is greater than the 4th threshold value, or described acceleration pedal aperture be greater than described default aperture and described car load insulation resistance is greater than described 4th threshold value time, control described air-conditioning and run to limit power mode of operation;
When the SOC of described electrokinetic cell is less than or equal to described 3rd threshold value or described car load insulation resistance is less than or equal to described 4th threshold value, forbid described operation of air conditioner.
2. the air conditioning control method of pure electric automobile according to claim 1, is characterized in that, the described air-conditioning of described control runs with normal operation mode, comprises further:
Obtain current environmental temperature and current vehicle interior temperature;
When described air conditioner refrigerating, if described current environmental temperature is less than or equal to the first temperature threshold, control described air-conditioning with the 3rd Power operation, or when described air-conditioning heating, if described current environmental temperature is more than or equal to the second temperature threshold, control described air-conditioning with the 3rd Power operation;
When described air conditioner refrigerating, if described current environmental temperature is greater than described first temperature threshold, the then difference of more described current vehicle interior temperature and preset temperature further, or when described air-conditioning heating, if described current environmental temperature is less than described second temperature threshold, then the difference of more described current vehicle interior temperature and preset temperature further;
If the absolute value of described difference is greater than the first preset difference value, then control described air-conditioning with the first Power operation;
If the absolute value of described difference is greater than the second preset difference value and be less than described first preset difference value, then control described air-conditioning with the second Power operation;
If the absolute value of described difference is less than described second preset difference value, then control described air-conditioning with the 3rd Power operation,
Wherein, described first power is greater than described second power, and described second power is greater than described 3rd power.
3. the air conditioning control method of pure electric automobile according to claim 2, is characterized in that, the running power of described limit power mode of operation equals described 3rd power.
4. the air conditioning control method of pure electric automobile according to claim 2, it is characterized in that, described first temperature threshold is 26 ~ 30 DEG C, and described second temperature threshold is 8 ~ 12 DEG C, described first preset difference value is 3 ~ 6 DEG C, and described second preset difference value is 1 ~ 3 DEG C.
5. an air-conditioner control system for pure electric automobile, is characterized in that, comprising:
Acquisition module, for obtaining car load insulation resistance, the SOC of electrokinetic cell and acceleration pedal aperture;
Controller, for when receiving operation of air conditioner request, adjusts the running state of described air-conditioning according to the SOC of described car load insulation resistance, described electrokinetic cell and acceleration pedal aperture,
Wherein, when the SOC of described electrokinetic cell is greater than first threshold, and described car load insulation resistance is greater than Second Threshold, and when described acceleration pedal aperture is less than or equal to default aperture, described controller controls described air-conditioning and runs with normal operation mode;
Be greater than the 3rd threshold value as the SOC of described electrokinetic cell and be less than or equal to described first threshold and described car load insulation resistance is greater than the 4th threshold value, or described acceleration pedal aperture be greater than described default aperture and described car load insulation resistance is greater than described 4th threshold value time, described controller controls described air-conditioning and runs to limit power mode of operation;
When the SOC of described electrokinetic cell is less than or equal to described 3rd threshold value or described car load insulation resistance is less than or equal to described 4th threshold value, described operation of air conditioner forbidden by described controller.
6. the air-conditioner control system of pure electric automobile according to claim 5, is characterized in that, also comprises:
Environment temperature sensor, for detecting current environmental temperature, and sends to described controller by described current environmental temperature;
Vehicle interior temperature sensor, for detecting current vehicle interior temperature, and sends to described controller by described current vehicle interior temperature.
7. the air-conditioner control system of pure electric automobile according to claim 6, is characterized in that, described controller controls described air-conditioning and runs with normal operation mode, comprises further:
When described air conditioner refrigerating, if described current environmental temperature is less than or equal to the first temperature threshold, control described air-conditioning with the 3rd Power operation, or when described air-conditioning heating, if described current environmental temperature is more than or equal to the second temperature threshold, control described air-conditioning with the 3rd Power operation;
When described air conditioner refrigerating, if described current environmental temperature is greater than described first temperature threshold, the then difference of more described current vehicle interior temperature and preset temperature further, or when described air-conditioning heating, if described current environmental temperature is less than described second temperature threshold, then the difference of more described current vehicle interior temperature and preset temperature further;
If the absolute value of described difference is greater than the first preset difference value, then control described air-conditioning with the first Power operation;
If the absolute value of described difference is greater than the second preset difference value and be less than described first preset difference value, then control described air-conditioning with the second Power operation;
If the absolute value of described difference is less than described second preset difference value, then control described air-conditioning with the 3rd Power operation,
Wherein, described first power is greater than the second power, and described second power is greater than the 3rd power.
8. the air-conditioner control system of pure electric automobile according to claim 7, is characterized in that, the running power of described limit power mode of operation equals described 3rd power.
9. a pure electric automobile, is characterized in that, comprises the air-conditioner control system of the pure electric automobile as described in any one of claim 5-8.
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