CN105082937B - Air conditioning control method, system and the pure electric automobile of pure electric automobile - Google Patents

Air conditioning control method, system and the pure electric automobile of pure electric automobile Download PDF

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Publication number
CN105082937B
CN105082937B CN201510437872.9A CN201510437872A CN105082937B CN 105082937 B CN105082937 B CN 105082937B CN 201510437872 A CN201510437872 A CN 201510437872A CN 105082937 B CN105082937 B CN 105082937B
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air
conditioning
power
temperature
threshold
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CN105082937A (en
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杨桥生
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Beiqi Foton Motor Co Ltd
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Beiqi Foton Motor Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/00392Air-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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/00764Control 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88Optimized components or subsystems, e.g. lighting, actively controlled glasses

Abstract

The present invention proposes a kind of air conditioning control method of pure electric automobile, system and pure electric automobile, and this method includes:When receiving operation of air conditioner request, the running status of air-conditioning is adjusted according to vehicle insulaion resistance, the SOC of electrokinetic cell and accelerator pedal aperture, wherein, when SOC is more than first threshold, and vehicle insulaion resistance is more than Second Threshold, and accelerator pedal aperture, when being less than or equal to default aperture, control air-conditioning is run with normal operation mode;When SOC is more than the 3rd threshold value and is more than the 4th threshold value less than or equal to first threshold and vehicle insulaion resistance, or accelerator pedal aperture is more than default aperture and when vehicle insulaion resistance is more than four threshold values, and control air-conditioning is to limit power mode of operation operation;When SOC is less than or equal to the 3rd threshold value or vehicle insulaion resistance is less than or equal to four threshold values, forbid operation of air conditioner.The method of the present invention can realize the excellent weighing apparatusization of vehicle energy saving and the riding comfort of passenger well, extend electrokinetic cell service life.

Description

Air conditioning control method, system and the pure electric automobile of pure electric automobile
Technical field
The present invention relates to field of automobile, more particularly to a kind of air conditioning control method of pure electric automobile, system And pure electric automobile.
Background technology
With the development of new-energy automobile market, pure electric automobile is required in terms of course continuation mileage and riding comfort More and more higher, air-conditioning is the main power consuming device of pure electric automobile, accounts for 1/3rd of vehicle power consumption.Traditional controlling party Method is main to be considered from air-conditioning self-view, and the benchmark only adjusted using vehicle interior temperature as running state of air conditioner is comfortable improving Vehicle continual mileage is have impact on during property.And when vehicle electricity is relatively low in order to be able to there is enough electrical energy drive automobiles to arrive at, It is general to take the way for directly closing air-conditioning, it so have impact on the riding comfort of passenger again when improving vehicle continual mileage, Energy-conservation in comfortableness with that can not realize balance optimizing.
It is relatively low but during still in safety value scope in vehicle insulaion resistance for pure electric automobile, or electrokinetic cell SOC is relatively low but when still ensuring that normal enforcement, the nonessential electrical appliance of vehicle is tried one's best and stops or drop power use so that vehicle Destination can be safely reached to;In addition, when pure electric automobile accelerates or overtaken other vehicles, electrokinetic cell system electric discharge is big, to exempt from power Battery system overdischarge is, it is necessary to which the nonessential electrical appliance of vehicle stops or drop power is used.Traditional air conditioning for automobiles control is basic On be independent control, there is no information interchange with whole-control system, even if or air conditioner manipulator and entire car controller have information friendship Stream, but do not set up the control logic associated between accelerator pedal aperture, the SOC states of electrokinetic cell, vehicle insulaion resistance, Lead to not realize balance optimizing of the energy-conservation with comfortableness and in terms of the extension electrokinetic cell life-span.
The content of the invention
It is contemplated that at least solving one of technical problem in above-mentioned correlation technique to a certain extent.
Therefore, it is an object of the present invention to propose a kind of air conditioning control method of pure electric automobile, this method can The balance optimizing of vehicle energy saving and the riding comfort of passenger is realized well, extends electrokinetic cell service life.
It is another object of the present invention to provide a kind of air-conditioner control system of pure electric automobile.
Third 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 airconditioning control of pure electric automobile Method, comprises the following steps:Obtain vehicle insulaion resistance, the SOC of electrokinetic cell and accelerator pedal aperture;Transported when receiving air-conditioning During row request, the operation shape of the air-conditioning is adjusted according to the vehicle insulaion resistance, the SOC of electrokinetic cell and accelerator pedal aperture State, wherein, when the SOC of electrokinetic cell is more than first threshold, and vehicle insulaion resistance is more than Second Threshold, and accelerator pedal aperture During less than or equal to default aperture, the air-conditioning is controlled to be run with normal operation mode;When the SOC of the electrokinetic cell is more than the Three threshold values and it is more than the 4th threshold value less than or equal to first threshold and the vehicle insulaion resistance, or the accelerator pedal aperture is big When the default aperture and the vehicle insulaion resistance are more than four threshold values, control the air-conditioning to limit power mode of operation fortune OK;When the SOC of the electrokinetic cell is less than or equal to the 3rd threshold value or the vehicle insulaion resistance less than or equal to the described 4th During threshold value, forbid the operation of air conditioner.
The air conditioning control method of pure electric automobile according to embodiments of the present invention, when receiving operation of air conditioner request, root The running status of air-conditioning is controlled according to vehicle insulaion resistance, the SOC of electrokinetic cell and accelerator pedal aperture, realized well The excellent weighing apparatusization of vehicle energy saving and the riding comfort of passenger, extends 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 add Technical characteristic:
In some instances, the control air-conditioning is run with normal operation mode, is further comprised:Front ring is worked as in acquisition Border temperature and current vehicle interior temperature;In the air conditioner refrigerating, if the current environmental temperature is less than or equal to the first temperature Threshold value, controls the air-conditioning with the 3rd Power operation, or in the air-conditioning heating, if the current environmental temperature is more than Or equal to second temperature threshold value, the air-conditioning is controlled with the 3rd Power operation;In the air conditioner refrigerating, if described work as front ring Border temperature is more than first temperature threshold, then further compares the difference of the current vehicle interior temperature and preset temperature, or It is further relatively more described to work as if the current environmental temperature is less than the second temperature threshold value in the air-conditioning heating The difference of preceding vehicle interior temperature and preset temperature;If the absolute value of the difference is more than the first preset difference value, the sky is controlled Adjust with the first Power operation;If the absolute value of the difference is more than the second preset difference value and less than the first preset difference value, control The air-conditioning is made with the second Power operation;If the absolute value of the difference is less than the second preset difference value, the air-conditioning is controlled With the 3rd Power operation, wherein, first power is more than the second power, and second power is more than the 3rd power.
In some instances, the operation power of the limit power mode of operation is equal to the 3rd power.
In some instances, first temperature threshold is 26~30 DEG C, and the second temperature threshold value is 8~12 DEG C, institute It is 3~6 DEG C to state the first preset difference value, and second preset difference value is 1~3 DEG C.
The embodiment of second aspect present invention additionally provides a kind of air-conditioner control system of pure electric automobile, including:Collection Module, for obtaining vehicle insulaion resistance, the SOC of electrokinetic cell and accelerator pedal aperture;Controller, for receiving air-conditioning During operation request, the operation of the air-conditioning is adjusted according to the vehicle insulaion resistance, the SOC of electrokinetic cell and accelerator pedal aperture State, wherein, when the SOC of electrokinetic cell is opened more than first threshold, and vehicle insulaion resistance more than Second Threshold, and accelerator pedal When degree is less than or equal to default aperture, the controller controls the air-conditioning to be run with normal operation mode;When the power electric The SOC in pond is more than the 3rd threshold value and is more than the 4th threshold value less than or equal to first threshold and the vehicle insulaion resistance, or described When accelerator pedal aperture is more than the default aperture and the vehicle insulaion resistance and is more than four threshold values, the controller controls institute Air-conditioning is stated to limit power mode of operation operation;When the SOC of the electrokinetic cell is exhausted less than or equal to the 3rd threshold value or the vehicle When edge resistance is less than or equal to four threshold value, the controller forbids the operation of air conditioner.
The air-conditioner control system of pure electric automobile according to embodiments of the present invention, when receiving operation of air conditioner request, root The running status of air-conditioning is controlled according to vehicle insulaion resistance, the SOC of electrokinetic cell and accelerator pedal aperture, realized well The excellent weighing apparatusization of vehicle energy saving and the riding comfort of passenger, extends 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 add Technical characteristic:
In some instances, also include:Environment temperature sensor, for detecting current environmental temperature, and will be described current Environment temperature is sent to the controller;Vehicle interior temperature sensor, for detecting current vehicle interior temperature, and by the current vehicle Temperature is sent to the controller.
In some instances, the controller controls the air-conditioning to be run with normal operation mode, further comprises:Obtain Current environmental temperature and current vehicle interior temperature;In the air conditioner refrigerating, if the current environmental temperature is less than or equal to the One temperature threshold, controls the air-conditioning with the 3rd Power operation, or in the air-conditioning heating, if the current environment temperature Degree is more than or equal to second temperature threshold value, controls the air-conditioning with the 3rd Power operation;In the air conditioner refrigerating, if described Current environmental temperature is more than first temperature threshold, then further compares the difference of the current vehicle interior temperature and preset temperature Value, or in the air-conditioning heating, if the current environmental temperature is less than the second temperature threshold value, further compare The difference of the current vehicle interior temperature and preset temperature;If the absolute value of the difference is more than the first preset difference value, control The air-conditioning is with the first Power operation;If the absolute value of the difference is more than the second preset difference value and default poor less than first Value, then control the air-conditioning with the second Power operation;If the absolute value of the difference is less than the second preset difference value, institute is controlled Air-conditioning is stated with the 3rd Power operation, wherein, first power is more than the second power, and second power is more than the 3rd power.
In some instances, the operation power of the limit power mode of operation is equal to the 3rd power.
The embodiment of third aspect present invention additionally provides a kind of pure electric automobile, including second aspect present invention embodiment The air-conditioner control system of the pure electric automobile provided.
Pure electric automobile according to embodiments of the present invention, vehicle energy saving and the riding comfort of passenger can be realized well Excellent weighing apparatusization.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined Substantially and be readily appreciated that, wherein:
Fig. 1 is the flow chart of the air conditioning control method of pure electric automobile according to an embodiment of the invention;
Fig. 2 is the flow chart 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.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
Air conditioning control method, system and the pure electricity of pure electric automobile according to embodiments of the present invention are described below in conjunction with accompanying drawing Electrical automobile.
Fig. 1 is the flow chart of the air conditioning control method of pure electric automobile according to an embodiment of the invention.Such as Fig. 1 institutes Show, this method comprises the following steps:
Step S101, obtains vehicle insulaion resistance, the SOC of electrokinetic cell and accelerator pedal aperture.In other words, the step is Detect state of insulation, vehicle SOC states and the accelerator pedal aperture of vehicle.
Step S102, when receiving operation of air conditioner request (such as driver presses air-conditioning switch, and air-conditioning is opened in request), The running status of air-conditioning is adjusted according to vehicle insulaion resistance, the SOC of electrokinetic cell and accelerator pedal aperture.Specifically, the step Suddenly further comprise the steps:
Step S103, when electrokinetic cell SOC be more than first threshold, and vehicle insulaion resistance be more than Second Threshold, and add When speed pedal aperture is less than or equal to default aperture, control air-conditioning is run with normal operation mode.Specifically, the step is further Comprise the following steps:
Step 1:Obtain current environmental temperature and current vehicle interior temperature.
Step 2:In air conditioner refrigerating, if current environmental temperature be less than or equal to the first temperature threshold, control air-conditioning with 3rd Power operation, or in air-conditioning heating, if current environmental temperature is more than or equal to second temperature threshold value, control air-conditioning With the 3rd Power operation.
Step 3:It is further relatively more current if current environmental temperature is more than the first temperature threshold in air conditioner refrigerating The difference of vehicle interior temperature and preset temperature, or in air-conditioning heating, if current environmental temperature is less than second temperature threshold value, Further compare the difference of current vehicle interior temperature and preset temperature.
Step 4:If the absolute value of the difference of current vehicle interior temperature and preset temperature is more than the first preset difference value, control Air-conditioning is with the first Power operation.
Step 5:If the absolute value of the difference of current vehicle interior temperature and preset temperature is more than the second preset difference value and is less than 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, control The air-conditioning is with the 3rd Power operation.
Wherein, in the examples described above, the first power is more than the second power, and the second power is more than the 3rd power.Comparatively, It can be understood as:First power is high-power, and the second power is mid power, and the 3rd power is small-power.
Step S104, when the SOC of electrokinetic cell is more than the 3rd threshold value and less than or equal to first threshold and vehicle insulated electro Resistance is more than the 4th threshold value, or accelerator pedal aperture is more than default aperture and when vehicle insulaion resistance is more than four threshold values, and control is empty Adjust to limit power mode of operation operation.Wherein, in one embodiment of the invention, operation power of limit power mode of operation etc. In the 3rd power, i.e. small-power.
Step S105, is less than or equal to the when the SOC of electrokinetic cell is less than or equal to the 3rd threshold value or vehicle insulaion resistance During four threshold values, forbid operation of air conditioner.
Wherein, in some examples of the present invention, for example, above-mentioned first threshold is 30%, the 3rd threshold value is 20%, the One temperature threshold is 26~30 DEG C, and second temperature threshold value is 8~12 DEG C, and the first preset difference value is 3~6 DEG C, the second preset difference value For 1~3 DEG C, default aperture is, for example, 80%.First power (high-power) is, for example, the 70%~100% of air-conditioning peak power, Second power (air-conditioning mid power) is, for example, the 50%~70% of air-conditioning peak power, and the 3rd power (small-power) is, for example, less than The 50% of air-conditioning peak power.
As specific example, the air-conditioning of the pure electric automobile of the above embodiment of the present invention is described in detail below in conjunction with Fig. 2 Concrete operations flow of the control method in specific implementation process.As shown in Fig. 2 in this example, this method includes following step Suddenly:
Step S1:Ignition key switch goes to electricity in ON grades, vehicle low pressure from OFF grades, and entire car controller self-inspection is completed just Beginningization parameter.
Step S2:Ignition key switch is gone to after START grades from ON grades, and entire car controller judges whether to meet electric in high pressure Condition, if it is, step S3 is performed, if it is not, then performing step S4.
Step S3:High pressure main contactor is closed, electricity in vehicle high pressure.
Step S4:The not upper electricity of vehicle high pressure, fault alarm.
Step S5:In vehicle high pressure after electricity, entire car controller analysis judges vehicle SOC (dump energy) information, vehicle State of insulation information and accelerator pedal opening information.After driver opens air conditioner power switch, air-conditioning carries out self-inspection, and self-inspection is complete Bi Hou, entire car controller according to vehicle SOC (dump energy) information, vehicle state of insulation information, accelerator pedal opening information, when Temperature information is controlled to the running status of air-conditioning in preceding ambient temperature information and current vehicle.Specifically include following steps:
Step S501:If the SOC of electrokinetic cell is higher than first threshold C0, and vehicle insulaion resistance is higher than Second Threshold Y0, and accelerator pedal aperture is not more than default aperture D0, then vehicle control unit controls air-conditioning is run with normal operation mode.The step Suddenly following steps are specifically included:
Step S5011:If current environmental temperature is not more than the first temperature threshold K3 (during refrigeration) or not less than the second temperature Threshold k 5 (when heating) is spent, and entire car controller output allows the signal of high-power use air-conditioning, then air-conditioning is with small-power the (the 3rd Power) operation.Step S5012:If current environmental temperature is more than the first temperature threshold K3 (during refrigeration) or less than second temperature Threshold k 5 (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 (is heated), and entire car controller output permission is high-power Using the signal of air-conditioning, then air-conditioning is run with high-power (the first power).Wherein, a is the first preset difference value, and b is second default Difference.
Step S5014:If a>K1-K0>B (refrigeration) or a>K0-K1>B (is heated), and entire car controller output allows big work( Rate uses the signal of air-conditioning, then air-conditioning is run with mid power (the second power), to realize that refrigerating capacity is balanced with energy consumption.
Step S5015:If K1-K0<B (refrigeration) or K0-K1<B (is heated), and perhaps high-power make is filled in entire car controller output With the signal of air-conditioning, then air-conditioning is with small-power (the 3rd power) operation, now using Energy Conservation long battery life as main target.
Step S502:If the SOC of electrokinetic cell is not more than first threshold C0 but higher than the 3rd threshold value C1 (C0 is more than C1) And vehicle insulaion resistance is higher than the 4th threshold value Y1 (Y0 is more than Y1), or accelerator pedal aperture is more than default aperture D0 and vehicle insulate Resistance is higher than the 4th threshold value Y1 (Y0 be more than Y1), then entire car controller output allows small-power to use the signal of air-conditioning, air-conditioning with Small-power (the 3rd power) is run.
Step S503:If the SOC of electrokinetic cell is not more than the 3rd threshold value C1 or vehicle insulaion resistance is not more than the 4th threshold Value Y1, then entire car controller output prohibits the use of the signal of air-conditioning, and air-conditioning can not be freezed or be heated, and so ensure vehicle energy Drive safely to destination.
Wherein, in the examples described above, for example, entire car controller is communicated by CAN or low and high level is sent to air-conditioning Control signal.More specifically, air-conditioning is for example including air-conditioner and air conditioner manipulator, and air conditioner manipulator is according to control signal control Air-conditioner processed is turned on and off.
Further, in this example, for example, the first temperature threshold K3 be 26~30 DEG C, second temperature threshold k 5 be 8~ 12 DEG C, the first preset difference value a is 3~6 DEG C, and the second preset difference value b is 1~3 DEG C, and the SOC of electrokinetic cell first threshold C0 is 30%, the SOC of electrokinetic cell the 3rd threshold value C1 are 20%, and the default aperture D0 of accelerator pedal is 80%.The high-power fortune of air-conditioning Power during row can be the 70%~100% of air-conditioning peak power, and power when air-conditioning mid power is run can be air-conditioning The 50%~70% of peak power, power when air-conditioning small-power is run is, for example, less than the 50% of air-conditioning peak power.
To sum up, the air conditioning control method of pure electric automobile according to embodiments of the present invention, is receiving operation of air conditioner request When, according to vehicle insulaion resistance, the SOC of electrokinetic cell, accelerator pedal aperture, current environmental temperature and current vehicle interior temperature to sky The running status of tune is controlled, and the excellent weighing apparatusization of vehicle energy saving and the riding comfort of passenger is realized well, is extended 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.Such as Fig. 3 institutes Show, the system 100 includes:Acquisition module 110 and controller 120.
Wherein, acquisition module 110 is used to obtain vehicle insulaion resistance, the SOC of electrokinetic cell and accelerator pedal aperture.
Controller 120 is for when receiving operation of air conditioner request, (such as driver to press air-conditioning switch, and request is opened empty Adjust), the running status of air-conditioning is adjusted according to vehicle insulaion resistance, the SOC of electrokinetic cell and accelerator pedal aperture.Specifically, When the SOC of electrokinetic cell is less than or waited more than Second Threshold, and accelerator pedal aperture more than first threshold, and vehicle insulaion resistance When default aperture, the control air-conditioning of controller 120 is run with normal operation mode;When the SOC of electrokinetic cell is more than the 3rd threshold value And it is more than the 4th threshold value less than or equal to first threshold and vehicle insulaion resistance, or accelerator pedal aperture is more than default aperture and whole When car insulaion resistance is more than four threshold values, controller 120 controls air-conditioning to limit power mode of operation operation;When electrokinetic cell When SOC is less than or equal to the 3rd threshold value or vehicle insulaion resistance less than or equal to four threshold values, controller 120 forbids air-conditioning to transport OK.Wherein, in some instances, for example, controller 120 is entire car controller.
Further, in one embodiment of the invention, as shown in figure 4, the system 100 for example also includes environment temperature Sensor 130 and vehicle interior temperature sensor 140.
Wherein, environment temperature sensor 130 is used to detect current environmental temperature, and current environmental temperature is sent into control Device 120.Vehicle interior temperature sensor 140, controller 120 is sent to for detecting current vehicle interior temperature, and by current vehicle interior temperature.
In some instances, the control of controller 120 air-conditioning is run with normal operation mode, is further comprised:In air-conditioning system When cold, if current environmental temperature is less than or equal to the first temperature threshold, air-conditioning is controlled with the 3rd Power operation, or in air-conditioning When heating, if current environmental temperature is more than or equal to second temperature threshold value, control air-conditioning is with the 3rd Power operation;In air-conditioning During refrigeration, if current environmental temperature is more than the first temperature threshold, current vehicle interior temperature and preset temperature described further Difference, or in air-conditioning heating, if current environmental temperature is less than second temperature threshold value, further compare warm in current vehicle The difference of degree and preset temperature;If the absolute value of difference is more than the first preset difference value, control air-conditioning is with the first Power operation; If the absolute value of difference is more than the second preset difference value and less than the first preset difference value, control air-conditioning is with the second Power operation; If the absolute value of difference is less than the second preset difference value, control air-conditioning with the 3rd Power operation, wherein, the first power is more than the Two power, the second power is more than the 3rd power.Comparatively, it can be understood as:First power is high-power, during the second power is Constant power, the 3rd power is small-power.
Wherein, in the examples described above, the operation power under limit power mode of operation is equal to the 3rd power, i.e. small-power.
Wherein, in some examples of the present invention, for example, above-mentioned first threshold is 30%, the 3rd threshold value is 20%, the One temperature threshold is 26~30 DEG C, and second temperature threshold value is 8~12 DEG C, and the first preset difference value is 3~6 DEG C, the second preset difference value For 1~3 DEG C, default aperture is, for example, 80%.First power (high-power) is, for example, the 70%~100% of air-conditioning peak power, Second power (air-conditioning mid power) is, for example, the 50%~70% of air-conditioning peak power, and the 3rd power (small-power) is, for example, less than The 50% of air-conditioning peak power.
It should be noted that the specific implementation of the air-conditioner control system of the pure electric automobile of the embodiment of the present invention and sheet The air conditioning control method of the pure electric automobile of invention above-described embodiment is similar, and to reduce redundancy, here is omitted.
To sum up, the air-conditioner control system of pure electric automobile according to embodiments of the present invention, is receiving operation of air conditioner request When, the running status of air-conditioning is controlled according to vehicle insulaion resistance, the SOC of electrokinetic cell and accelerator pedal aperture, very well Ground realizes the excellent weighing apparatusization of vehicle energy saving and the riding comfort of passenger, extends electrokinetic cell service life.
Further embodiment of the present invention additionally provides a kind of pure electric automobile, including described by the above embodiment of the present invention Pure electric automobile air-conditioner control system 100.
Pure electric automobile according to embodiments of the present invention, vehicle energy saving and the riding comfort of passenger can be realized well Excellent weighing apparatusization.
In the description of the invention, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or dark Show relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", the feature of " second " are defined It can express or implicitly include at least one this feature.In the description of this specification, reference term " one embodiment ", The description of " some embodiments ", " example ", " specific example " or " some examples " etc. means that combining the embodiment or example describes Specific features, structure, material or feature be contained in the present invention at least one embodiment or example in.In this specification In, identical embodiment or example are necessarily directed to the schematic representation of above-mentioned term.Moreover, the specific spy of description Levy, structure, material or feature can in an appropriate manner be combined in any one or more embodiments or example.In addition, In the case of not conflicting, those skilled in the art can by the not be the same as Example or example described in this specification and The feature of be the same as Example or example is not combined and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changed, replacing and modification.

Claims (9)

1. a kind of air conditioning control method of pure electric automobile, it is characterised in that comprise the following steps:
Obtain vehicle insulaion resistance, the SOC of electrokinetic cell and accelerator pedal aperture;
When receiving operation of air conditioner request, stepped on according to the vehicle insulaion resistance, the SOC of the electrokinetic cell and the acceleration Plate aperture adjusts the running status of the air-conditioning,
Wherein, when the SOC of the electrokinetic cell is more than first threshold, and the vehicle insulaion resistance is more than Second Threshold, and institute When stating accelerator pedal aperture less than or equal to default aperture, the air-conditioning is controlled to be run with normal operation mode;
When the SOC of the electrokinetic cell is more than the 3rd threshold value and less than or equal to the first threshold and the vehicle insulaion resistance More than the 4th threshold value, or the accelerator pedal aperture is more than the default aperture and the vehicle insulaion resistance is more than the described 4th During threshold value, control the air-conditioning to limit power mode of operation operation;
When the SOC of the electrokinetic cell is less than or equal to the 3rd threshold value or the vehicle insulaion resistance less than or equal to described During four threshold values, forbid the operation of air conditioner, wherein, the 4th threshold value is less than the Second Threshold.
2. the air conditioning control method of pure electric automobile according to claim 1, it is characterised in that the control air-conditioning Run, further comprised with normal operation mode:
Obtain current environmental temperature and current vehicle interior temperature;
In the air conditioner refrigerating, if the current environmental temperature is less than or equal to the first temperature threshold, the air-conditioning is controlled With the 3rd Power operation, or in the air-conditioning heating, if the current environmental temperature is more than or equal to second temperature threshold Value, controls the air-conditioning with the 3rd Power operation;
In the air conditioner refrigerating, if the current environmental temperature is more than first temperature threshold, further compare institute The difference of current vehicle interior temperature and preset temperature is stated, or in the air-conditioning heating, if the current environmental temperature is less than The second temperature threshold value, then further compare the difference of the current vehicle interior temperature and preset temperature;
If the absolute value of the difference is more than the first preset difference value, the air-conditioning is controlled with the first Power operation;
If the absolute value of the difference is more than the second preset difference value and less than first preset difference value, the air-conditioning is controlled With the second Power operation;
If the absolute value of the difference is less than second preset difference value, the air-conditioning is controlled with the 3rd Power operation,
Wherein, first power is more than second power, and second power is more than the 3rd power.
3. the air conditioning control method of pure electric automobile according to claim 2, it is characterised in that the limit Power operation mould The operation power of formula is equal to the 3rd power.
4. the air conditioning control method of pure electric automobile according to claim 2, it is characterised in that first temperature threshold Span be 26~30 DEG C, the span of the second temperature threshold value is 8~12 DEG C, and first preset difference value takes It is 3~6 DEG C to be worth scope, and the span of second preset difference value is 1~3 DEG C.
5. a kind of air-conditioner control system of pure electric automobile, it is characterised in that including:
Acquisition module, for obtaining vehicle insulaion resistance, the SOC of electrokinetic cell and accelerator pedal aperture;
Controller, for when receiving operation of air conditioner request, according to the vehicle insulaion resistance, the SOC of the electrokinetic cell The running status of the air-conditioning is adjusted with accelerator pedal aperture,
Wherein, when the SOC of the electrokinetic cell is more than first threshold, and the vehicle insulaion resistance is more than Second Threshold, and institute When stating accelerator pedal aperture less than or equal to default aperture, the controller controls the air-conditioning to be run with normal operation mode;
When the SOC of the electrokinetic cell is more than the 3rd threshold value and less than or equal to the first threshold and the vehicle insulaion resistance More than the 4th threshold value, or the accelerator pedal aperture is more than the default aperture and the vehicle insulaion resistance is more than the described 4th During threshold value, the controller controls the air-conditioning to limit power mode of operation operation;
When the SOC of the electrokinetic cell is less than or equal to the 3rd threshold value or the vehicle insulaion resistance less than or equal to described During four threshold values, the controller forbids the operation of air conditioner, wherein, the 4th threshold value is less than the Second Threshold.
6. the air-conditioner control system of pure electric automobile according to claim 5, it is characterised in that also include:
Environment temperature sensor, the controller is sent to for detecting current environmental temperature, and by the current environmental temperature;
Vehicle interior temperature sensor, the controller is sent to for detecting current vehicle interior temperature, and by the current vehicle interior temperature.
7. the air-conditioner control system of pure electric automobile according to claim 6, it is characterised in that the controller controls institute State air-conditioning to run with normal operation mode, further comprise:
In the air conditioner refrigerating, if the current environmental temperature is less than or equal to the first temperature threshold, the air-conditioning is controlled With the 3rd Power operation, or in the air-conditioning heating, if the current environmental temperature is more than or equal to second temperature threshold Value, controls the air-conditioning with the 3rd Power operation;
In the air conditioner refrigerating, if the current environmental temperature is more than first temperature threshold, further compare institute The difference of current vehicle interior temperature and preset temperature is stated, or in the air-conditioning heating, if the current environmental temperature is less than The second temperature threshold value, then further compare the difference of the current vehicle interior temperature and preset temperature;
If the absolute value of the difference is more than the first preset difference value, the air-conditioning is controlled with the first Power operation;
If the absolute value of the difference is more than the second preset difference value and less than first preset difference value, the air-conditioning is controlled With the second Power operation;
If the absolute value of the difference is less than second preset difference value, the air-conditioning is controlled with the 3rd Power operation,
Wherein, first power is more than the second power, and second power is more than the 3rd power.
8. the air-conditioner control system of pure electric automobile according to claim 7, it is characterised in that the limit Power operation mould The operation power of formula is equal to the 3rd power.
9. a kind of pure electric automobile, it is characterised in that include the air-conditioning of the pure electric automobile as described in claim any one of 5-8 Control system.
CN201510437872.9A 2015-07-23 2015-07-23 Air conditioning control method, system and the pure electric automobile of pure electric automobile Active CN105082937B (en)

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