CN109398093A - A kind of control method of electronic radiator fan, system, device and pure electric vehicle - Google Patents
A kind of control method of electronic radiator fan, system, device and pure electric vehicle Download PDFInfo
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- CN109398093A CN109398093A CN201811495883.2A CN201811495883A CN109398093A CN 109398093 A CN109398093 A CN 109398093A CN 201811495883 A CN201811495883 A CN 201811495883A CN 109398093 A CN109398093 A CN 109398093A
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- Prior art keywords
- temperature
- radiator fan
- current motor
- current
- voltage
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/425—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
Abstract
This application discloses a kind of control method of electronic radiator fan, system, device and pure electric vehicles, comprising: when DCDC failure, obtains the current voltage of current motor temperature, current motor controller temperature and low tension battery；Judge whether current voltage, current motor temperature, current motor controller temperature meet condition out of service, if so, control electronic radiator fan stops working；When DCDC trouble shooting, the current voltage of current motor temperature, current motor controller temperature and low tension battery is obtained；Judge whether current voltage, current motor temperature, current motor controller temperature meet permission service condition, if so, control electronic radiator fan work.The application can not occur using the current voltage size of low tension battery as one of the start and stop condition of control electronic radiator fan to avoid the pure electric vehicle caused by low tension battery is under-voltage the case where restarting.
Description
Technical field
This application involves pure electric vehicle fields, more particularly to the control method, system, dress of a kind of electronic radiator fan
It sets and pure electric vehicle.
Background technique
The driving motor of pure electric vehicle and the inverter in dual pressure controller can generate amount of heat in use,
Electronic radiator fan is needed to configure to radiate, since the heat generated in pure electric vehicle load running is bigger,
The power of matched electronic radiator fan is also relatively high.In pure electric vehicle, DCDC is responsible for vehicle low-voltage power supply and low pressure stores
Battery charging, when DCDC is worked normally, the energy source of electronic radiator fan is guaranteed, but when DCDC goes wrong,
The current scene of pure electric vehicle is not suitable for waiting for rescue in situ again, just pure electric vehicle is needed to continue to run at this time, at this time
The electric energy of electronic radiator fan will take to low tension battery, since the power of electronic radiator fan is relatively high, it is easy to cause low
Discharged or defective battery is pressed, the restarting of pure electric vehicle is influenced.
Therefore, how to provide a kind of scheme of solution above-mentioned technical problem is that those skilled in the art need to solve at present
Problem.
Summary of the invention
The purpose of the application is to provide control method, system, device and the pure electric vehicle of a kind of electronic radiator fan, will
Start and stop condition one of of the current voltage size of low tension battery as control electronic radiator fan, can be stored to avoid due to low pressure
Pure electric vehicle caused by battery undervoltage can not occur the case where restarting.
In order to solve the above technical problems, this application provides a kind of control methods of electronic radiator fan, comprising:
When DCDC failure, the current electricity of current motor temperature, current motor controller temperature and low tension battery is obtained
Pressure；
Judge whether current voltage, current motor temperature, current motor controller temperature meet condition out of service, if
It is that control electronic radiator fan stops working；
When the DCDC trouble shooting, obtains current motor temperature, current motor controller temperature and the low pressure and store
The current voltage of battery；
Judge whether current voltage, current motor temperature, current motor controller temperature meet permission service condition, if
It is to control the electronic radiator fan work.
Preferably, described to judge whether current voltage, current motor temperature, current motor controller temperature meet stopping fortune
Row condition, if so, the process that control electronic radiator fan stops working specifically:
Judge whether current voltage is greater than first voltage preset value；
If it is not, control electronic radiator fan stops working；
If so, when current motor temperature is less than the first temperature preset value and current motor temperature is less than second temperature preset value
When, it controls the electronic radiator fan and stops working.
Preferably, described to judge current voltage, current motor temperature, whether current motor controller temperature meets allows to transport
Row condition, if so, controlling the process of the electronic radiator fan work specifically:
When current voltage is greater than second voltage preset value, current motor temperature is greater than third temperature preset value and current electricity
When machine controller temperature is greater than the 4th temperature preset value, control electronic radiator fan work.
Preferably, described when DCDC failure, obtain current motor temperature, current motor controller temperature and low pressure electric power storage
After the current voltage in pond, judge current voltage, current motor temperature, that whether current motor controller temperature meets is out of service
Before condition, the control method of the electronic radiator fan further include:
Judge whether current voltage is less than tertiary voltage preset value, wherein the tertiary voltage preset value is greater than described the
One voltage preset value；
If so, undervoltage warning information is generated, so that instrument sounds an alarm after receiving the undervoltage warning information.
In order to solve the above technical problems, this application provides a kind of control systems of electronic radiator fan, comprising:
Module is obtained, is stored in DCDC failure, obtaining current motor temperature, current motor controller temperature and low pressure
The current voltage of battery；It is also used in the DCDC trouble shooting, obtains current motor temperature, current motor controller temperature
And the current voltage of the low tension battery；
Control module, in the DCDC failure, judging current voltage, current motor temperature, current motor control
Whether device temperature meets condition out of service, if so, control electronic radiator fan stops working；It is also used in the DCDC failure
When releasing, judge whether current voltage, current motor temperature, current motor controller temperature meet permission service condition, if so,
Control the electronic radiator fan work.
In order to solve the above technical problems, this application provides a kind of control devices of electronic radiator fan, comprising:
Entire car controller obtains the current voltage of low tension battery in DCDC failure, when current voltage is less than the
When one voltage preset value, first control signal is generated；It is also used to obtain working as the low tension battery in DCDC trouble shooting
Preceding voltage generates second control signal when current voltage is greater than second voltage preset value；
Electronic radiator fan motor, electronic radiator fan controller；
The electronic radiator fan controller, for obtaining current motor temperature, current motor controller temperature；It is also used to
Receiving the first control signal or current motor temperature and current motor controller temperature meets condition out of service
When, control the electronic radiator fan motor and stop working, receiving the second control signal, and current motor temperature and
When current motor controller temperature meets permission service condition, the electronic radiator fan motor work is controlled.
Preferably, the control device further include:
Alarm module, for being sounded an alarm after receiving alarm signal；
Correspondingly, the entire car controller is also used to, when current voltage is less than tertiary voltage preset value, generate and send
The alarm signal, wherein the tertiary voltage preset value is less than the second voltage preset value and is greater than the first voltage
Preset value.
Preferably, which further includes CAN bus；
The entire car controller sends first control to the electronic radiator fan controller by the CAN bus
Signal or the second control signal；
The entire car controller sends the alarm signal to the alarm module by the CAN bus.
Preferably, the alarm module is the instrument set on drivers' cab.
In order to solve the above technical problems, present invention also provides a kind of pure electric vehicles, including such as any one institute above
The control device for the electronic radiator fan stated.
This application provides a kind of control methods of electronic radiator fan, comprising: when DCDC failure, obtains current motor
The current voltage of temperature, current motor controller temperature and low tension battery；Judge current voltage, current motor temperature, current
Whether electric machine controller temperature meets condition out of service, if so, control electronic radiator fan stops working；When DCDC failure solution
Except when, obtain the current voltage of current motor temperature, current motor controller temperature and low tension battery；Judge current voltage,
Whether current motor temperature, current motor controller temperature meet permission service condition, if so, control electronic radiator fan work
Make.
As it can be seen that in practical applications, using the scheme of the application, in DCDC failure and low tension battery is in under-voltage condition
When, control electronic radiator fan stops working, and after DCDC restores normal and the current voltage of low tension battery reaches normal value
Afterwards, just control electronic radiator fan work, to avoid since the pure electric vehicle caused by low tension battery is under-voltage can not two
The case where secondary starting, occurs.
Present invention also provides a kind of control system of electronic radiator fan, device and pure electric vehicles, have and above-mentioned
The identical beneficial effect of control method.
Detailed description of the invention
It in order to more clearly explain the technical solutions in the embodiments of the present application, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the application
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of step flow chart of the control method of electronic radiator fan provided herein；
Fig. 2 is a kind of structural schematic diagram of the control system of electronic radiator fan provided herein；
Fig. 3 is a kind of structural schematic diagram of the control device of electronic radiator fan provided herein.
Specific embodiment
The core of the application is to provide control method, system, device and the pure electric vehicle of a kind of electronic radiator fan, will
Start and stop condition one of of the current voltage size of low tension battery as control electronic radiator fan, can be stored to avoid due to low pressure
Pure electric vehicle caused by battery undervoltage can not occur the case where restarting.
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
Fig. 1 is please referred to, Fig. 1 is a kind of step flow chart of the control method of electronic radiator fan provided herein,
Include:
Step 1: when DCDC failure, obtaining current motor temperature, current motor controller temperature and low tension battery
Current voltage；
Specifically, when DCDC failure, electronic radiator fan needs to take electricity from low tension battery, originally low tension battery
Electric energy is enough electronic radiator fan startings, but the operation of electronic radiator fan can consume the electric energy of low tension battery, be
Guarantee that the electric energy of low tension battery can drive pure electric vehicle restarting, the application needs to the current of low tension battery
Voltage is detected, and one using the size of the current voltage of low tension battery as electronic radiator fan opens/stop condition, separately
Outside, it is contemplated that electronic radiator fan used in pure electric vehicle is the controller foundation coolant liquid carried by electronic radiator fan
Temperature or motor, electric machine controller temperature carry out step-governor d to the revolving speed of fan, therefore the application is by current motor temperature
Degree and current motor controller temperature as electronic radiator fan another open/stop condition.
Step 2: judging whether current voltage, current motor temperature, current motor controller temperature meet item out of service
Part, if so, control electronic radiator fan stops working；
It is understood that when the current voltage of low tension battery meets the permission operating condition of electronic radiator fan,
If current motor temperature, current motor controller temperature are increased to its corresponding temperature preset value, electronic radiation wind
Fan can consider that so far condition out of service is specifically as follows, and meets electronic radiator fan in current voltage with proper heat reduction
Permission operating voltage, and with the operation of electronic radiator fan, current motor temperature is reduced to the first temperature preset value, current
Electric machine controller temperature is reduced to second temperature preset value, at this point, control electronic radiator fan stops working；Certainly, it is contemplated that
As the operation of electronic radiator fan can consume the electric energy of low tension battery, in order to guarantee that low tension battery can drive pure electricity
Motor-car restarting, therefore, condition out of service are specifically as follows, and the current voltage of low tension battery is less than or equal to first
Voltage preset value, at this point, control electronic radiator fan stops working, wherein first voltage preset value can be regarded as forbidding electricity
The voltage limits of sub- radiator fan work, it is contemplated that a possibility that there are Acquisition Errors, therefore, condition out of service can also have
Body is, after the current voltage of low tension battery is less than or equal to first voltage preset value certain time, control electronics dissipates
Hot-air fan stops working.Electronics is only determined by current motor temperature, current motor controller temperature in the prior art
Opening/stopping for radiator fan is compared, the application using the current voltage of low tension battery as control electronic radiator fan open/stop one
A condition can consume the electric energy of low tension battery excessively to avoid electronic radiator fan, to guarantee the electric energy of low tension battery
Pure electric vehicle restarting can be driven.
Step 3: when DCDC trouble shooting, obtaining current motor temperature, current motor controller temperature and low pressure electric power storage
The current voltage in pond；
Step 4: judging whether current voltage, current motor temperature, current motor controller temperature meet allows to run item
Part, if so, control electronic radiator fan work.
Specifically, DCDC is that low tension battery mends electricity, it is to be understood that allows to run item when DCDC trouble shooting
Part is specifically, the current voltage of low tension battery reaches the voltage limits for allowing electronic radiator fan to work and certain time
(i.e. second voltage preset value, second voltage preset value are greater than first voltage preset value), and current motor temperature is increased to third
Temperature when being increased to the 4th temperature preset value of temperature preset value, current motor controller, controls electronic radiator fan work at this time
Make.Wherein, the first temperature preset value is less than third temperature preset value, and second temperature preset value is less than the 4th temperature preset value.This
Application by electronic radiator fan set under-voltage protection, prevent low tension battery it is under-voltage caused by pure electric vehicle
Can not restarting the problem of.
This application provides a kind of control methods of electronic radiator fan, comprising: when DCDC failure, obtains current motor
The current voltage of temperature, current motor controller temperature and low tension battery；Judge current voltage, current motor temperature, current
Whether electric machine controller temperature meets condition out of service, if so, control electronic radiator fan stops working；When DCDC failure solution
Except when, obtain the current voltage of current motor temperature, current motor controller temperature and low tension battery；Judge current voltage,
Whether current motor temperature, current motor controller temperature meet permission service condition, if so, control electronic radiator fan work
Make.
As it can be seen that in practical applications, using the scheme of the application, in DCDC failure and low tension battery is in under-voltage condition
When, control electronic radiator fan stops working, and after DCDC restores normal and the current voltage of low tension battery reaches normal value
Afterwards, just control electronic radiator fan work, to avoid since the pure electric vehicle caused by low tension battery is under-voltage can not two
The case where secondary starting, occurs.
On the basis of the above embodiments:
Embodiment as one preferred obtains current motor temperature, current motor controller temperature when DCDC failure
And after the current voltage of low tension battery, judge whether current voltage, current motor temperature, current motor controller temperature are full
Before foot condition out of service, the control method of the electronic radiator fan further include:
Judge whether current voltage is less than tertiary voltage preset value, wherein it is pre- that tertiary voltage preset value is greater than first voltage
If value；
If so, undervoltage warning information is generated, so that instrument sounds an alarm after receiving undervoltage warning information.
Specifically, after the current voltage of low tension battery is less than or equal to tertiary voltage preset value certain time,
Illustrate that current voltage battery has been in under-voltage condition, tertiary voltage preset value is greater than first voltage preset value, with low pressure
For platform is the pure electric vehicle of 24V, tertiary voltage preset value can be set to 24V, and first voltage preset value can be set to
23.5V, it is to be understood that first voltage preset value is the voltage limits for forbidding electronic radiator fan to work, at current voltage
When between tertiary voltage preset value and first voltage preset value, electronic radiator fan be can work normally, but at this time
The electric energy of low tension battery is relatively low, generates and sends undervoltage warning information, so that instrument is receiving undervoltage warning
Audible and visible alarm is issued after information, is reminded driver's low tension battery to be in under-voltage condition, parking checking is needed, to improve this Shen
Reliability and safety please.
Referring to figure 2., Fig. 2 is a kind of structural schematic diagram of the control system of electronic radiator fan provided herein,
Include:
Module 01 is obtained, for obtaining current motor temperature, current motor controller temperature and low pressure in DCDC failure
The current voltage of battery；Be also used in DCDC trouble shooting, obtain current motor temperature, current motor controller temperature and
The current voltage of low tension battery；
Control module 02, for judging current voltage, current motor temperature, current motor controller in DCDC failure
Whether temperature meets condition out of service, if so, control electronic radiator fan stops working；It is also used in DCDC trouble shooting
When, judge whether current voltage, current motor temperature, current motor controller temperature meet permission service condition, if so, control
Electronic radiator fan work.
Whether embodiment as one preferred judges current voltage, current motor temperature, current motor controller temperature
Meet condition out of service, if so, the process that control electronic radiator fan stops working specifically:
Judge whether current voltage is greater than first voltage preset value；
If it is not, control electronic radiator fan stops working；
If so, when current motor temperature is less than the first temperature preset value and current motor temperature is less than second temperature preset value
When, control electronic radiator fan stops working.
Whether embodiment as one preferred judges current voltage, current motor temperature, current motor controller temperature
Meeting allows service condition, if so, the process of control electronic radiator fan work specifically:
When current voltage is greater than second voltage preset value, current motor temperature is greater than third temperature preset value and current electricity
When machine controller temperature is greater than the 4th temperature preset value, control electronic radiator fan work.
Embodiment as one preferred, control module 02 are also used to when DCDC failure, judge whether current voltage is small
In tertiary voltage preset value, if so, generating undervoltage warning information, wherein tertiary voltage preset value is greater than first voltage preset value；
The control system of the electronic radiator fan further include:
Instrument, for being sounded an alarm after receiving undervoltage warning information.
A kind of control system of electronic radiator fan provided herein has identical with above-mentioned control method beneficial
Effect.
Above-described embodiment is please referred to for a kind of introduction of the control system of electronic radiator fan provided herein, this
Details are not described herein for application.
Referring to figure 3., Fig. 3 is a kind of structural schematic diagram of the control device of electronic radiator fan provided herein,
Include:
Entire car controller 1, for the current voltage of low tension battery being obtained, when current voltage is less than in DCDC failure
When first voltage preset value, first control signal is generated；It is also used to obtain the current of low tension battery in DCDC trouble shooting
Voltage generates second control signal when current voltage is greater than second voltage preset value；
Electronic radiator fan motor M, electronic radiator fan controller 2；
Electronic radiator fan controller 2, for obtaining current motor temperature, current motor controller temperature；It is also used to
Receive first control signal or current motor temperature and when current motor controller temperature meets condition out of service, control
Electronic radiator fan motor M stops working, and is receiving second control signal, and current motor temperature and current motor controller
When temperature meets permission service condition, control electronic radiator fan motor M work.
Embodiment as one preferred, the control device further include:
Alarm module 3, for being sounded an alarm after receiving alarm signal；
Correspondingly, entire car controller 1 is also used to, when current voltage is less than tertiary voltage preset value, report is generated and sent
Alert signal, wherein tertiary voltage preset value is less than second voltage preset value and is greater than first voltage preset value.
Embodiment as one preferred, the control device further include CAN bus；
Entire car controller 1 sends first control signal or the second control to electronic radiator fan controller 2 by CAN bus
Signal；
Entire car controller 1 sends alarm signal to alarm module 3 by CAN bus.
Embodiment as one preferred, alarm module 3 are the instrument set on drivers' cab.
Specifically, the entire car controller 1 (VCU) of pure electric vehicle and electronic radiator fan controller 2 are passed through CAN bus
It is connected, carries out information exchange, the start and stop of electronic radiator fan, in addition to needing to consider current motor temperature, current motor controller
Outside temperature, while being controlled by VCU.VCU obtains the current voltage of low tension battery in real time, when current voltage is consistently less than third electricity
(low-voltage plateau is the pure electric vehicle of 24V, and tertiary voltage preset value can be set to 24V when pressure preset value；Low-voltage plateau is 12V
Pure electric vehicle, tertiary voltage preset value can be set to 12V), VCU sends alarm signal to alarm module 3 by CAN bus
Number, alarm module 3 is specifically as follows the instrument of drivers' cab, and instrument carries out sound-light alarm after receiving alarm signal；When VCU is detected
When being consistently less than first voltage preset value to the current voltage of low tension battery (low-voltage plateau is the pure electric vehicle of 24V, first
Voltage preset value can be set to 23.5V；Voltage platform is the pure electric vehicle of 12V, and first voltage preset value can be set to
11.6V), VCU is also sent by CAN bus to electronic radiator fan controller 2 other than continuing to send alarm signal to instrument
The signal (i.e. first control signal) for forbidding electronic radiator fan to work, electronic radiator fan controller 2 are receiving the first control
After signal processed, control electronic radiator fan motor M stops working.When DCDC trouble shooting, vehicle low-voltage power supply system restores just
Often, (low-voltage plateau is the pure electric vehicle of 24V when and VCU detects that the current voltage of low tension battery is persistently higher than the second preset value
Vehicle, the second preset value can be set to 24.5V；Voltage platform is the pure electric vehicle of 12V, and the second preset value can be set to
12.5V), VCU sends the signal for allowing electronic radiator fan to work (i.e. the to electronic radiator fan controller 2 by CAN bus
Two control signals), electronic radiator fan controller 2 is after receiving second control signal, and current motor temperature and current electricity
When machine controller temperature meets permission service condition, control electronic radiator fan motor M work.
A kind of control device of electronic radiator fan provided herein has identical with above-mentioned control method beneficial
Effect.
Correspondingly, present invention also provides a kind of pure electric vehicle, the electronic radiator fan including any one such as above
Control device.
A kind of pure electric vehicle provided herein has beneficial effect identical with above-mentioned control method.
Above-described embodiment is please referred to for a kind of introduction of the control device of pure electric vehicle provided herein, this Shen
It please details are not described herein.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of control method of electronic radiator fan characterized by comprising
When DCDC failure, the current voltage of current motor temperature, current motor controller temperature and low tension battery is obtained；
Judge whether current voltage, current motor temperature, current motor controller temperature meet condition out of service, if so, control
Electronic radiator fan processed stops working；
When the DCDC trouble shooting, current motor temperature, current motor controller temperature and the low tension battery are obtained
Current voltage；
Judge whether current voltage, current motor temperature, current motor controller temperature meet permission service condition, if so, control
Make the electronic radiator fan work.
2. the control method of electronic radiator fan according to claim 1, which is characterized in that the judgement current voltage,
Whether current motor temperature, current motor controller temperature meet condition out of service, if so, control electronic radiator fan stops
The process of work specifically:
Judge whether current voltage is greater than first voltage preset value；
If it is not, control electronic radiator fan stops working；
If so, when current motor temperature is less than the first temperature preset value and current motor temperature is less than second temperature preset value,
The electronic radiator fan is controlled to stop working.
3. the control method of electronic radiator fan according to claim 1, which is characterized in that the judgement current voltage,
Whether current motor temperature, current motor controller temperature meet permission service condition, if so, controlling the electronic radiator fan
The process of work specifically:
When current voltage is greater than second voltage preset value, current motor temperature is greater than third temperature preset value and current motor control
When device temperature processed is greater than the 4th temperature preset value, control electronic radiator fan work.
4. the control method of electronic radiator fan according to claim 1, which is characterized in that it is described when DCDC failure,
Obtain current motor temperature, current motor controller temperature and low tension battery current voltage after, judge current voltage, when
Before whether front motor temperature, current motor controller temperature meet condition out of service, the controlling party of the electronic radiator fan
Method further include:
Judge whether current voltage is less than tertiary voltage preset value, wherein the tertiary voltage preset value is greater than first electricity
Press preset value；
If so, undervoltage warning information is generated, so that instrument sounds an alarm after receiving the undervoltage warning information.
5. a kind of control system of electronic radiator fan characterized by comprising
Module is obtained, for obtaining current motor temperature, current motor controller temperature and low tension battery in DCDC failure
Current voltage；It is also used in the DCDC trouble shooting, obtains current motor temperature, current motor controller temperature and institute
State the current voltage of low tension battery；
Control module, for judging current voltage, current motor temperature, current motor controller temperature in the DCDC failure
Whether degree meets condition out of service, if so, control electronic radiator fan stops working；It is also used in the DCDC trouble shooting
When, judge whether current voltage, current motor temperature, current motor controller temperature meet permission service condition, if so, control
The electronic radiator fan work.
6. a kind of control device of electronic radiator fan characterized by comprising
Entire car controller, for obtaining the current voltage of low tension battery in DCDC failure, when current voltage is less than the first electricity
When pressing preset value, first control signal is generated；It is also used in DCDC trouble shooting, obtains the current electricity of the low tension battery
Pressure generates second control signal when current voltage is greater than second voltage preset value；
Electronic radiator fan motor, electronic radiator fan controller；
The electronic radiator fan controller, for obtaining current motor temperature, current motor controller temperature；It is also used to connecing
Receive the first control signal or current motor temperature and when current motor controller temperature meets condition out of service, control
It makes the electronic radiator fan motor to stop working, is receiving the second control signal, and current motor temperature and current
When electric machine controller temperature meets permission service condition, the electronic radiator fan motor work is controlled.
7. the control device of electronic radiator fan according to claim 6, which is characterized in that the control device further include:
Alarm module, for being sounded an alarm after receiving alarm signal；
Correspondingly, the entire car controller is also used to, when current voltage is less than tertiary voltage preset value, generate and send described
Alarm signal, wherein the tertiary voltage preset value, which is less than the second voltage preset value and is greater than the first voltage, to be preset
Value.
8. the control device of electronic radiator fan according to claim 7, which is characterized in that the control device further includes
CAN bus；
The entire car controller sends the first control signal to the electronic radiator fan controller by the CAN bus
Or the second control signal；
The entire car controller sends the alarm signal to the alarm module by the CAN bus.
9. the control device of electronic radiator fan according to claim 8, which is characterized in that the alarm module be set on
The instrument of drivers' cab.
10. a kind of pure electric vehicle, which is characterized in that including the electronic radiator fan as described in claim 6-9 any one
Control device.
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