CN109760487A - A kind of parking heater control method - Google Patents
A kind of parking heater control method Download PDFInfo
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- CN109760487A CN109760487A CN201910049008.XA CN201910049008A CN109760487A CN 109760487 A CN109760487 A CN 109760487A CN 201910049008 A CN201910049008 A CN 201910049008A CN 109760487 A CN109760487 A CN 109760487A
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Abstract
The present invention provides a kind of parking heater control method, parking heater is set to operate in preferably working condition, the service life that the elements such as extending plug use, the indoor residual oil liquid of parking heater burning can effectively be removed, reduce the carbon distribution generated in parking heater combustion chamber, broader region and altitude environment are adapted to, achievees the effect that save fuel oil, energy-saving and emission-reduction.
Description
Technical field
The invention belongs to parking heater control field more particularly to a kind of parking heater control methods.
Background technique
Parking heater is a kind of heating system of autonomous working, does not need starting vehicle motor, utilizes vehicle-mounted 24 volts
Or 12 volts of storage batterys can start work.It can be vehicle cab heat supply, heat for cold season car.Heater is to drive
While sailing room heat supply, preheating before can also starting to engine solves vehicle cold-start difficulty and cold-starting row
Put high problem.Parking heater efficiently solves situations such as long-distance driver's car is rested overnight, vehicle is waited in line for a long time
When lower vehicle engine misses, the long-time heating problem of occupant.
Controller is the mostly important core component of parking heater, in addition to Hardware Design to have it is very high reliable
Property requires outer, and controlling mechanism and its technological parameter determine the quality of system operation.
Summary of the invention
To solve the above problems, the present invention provides a kind of parking heater control method, parking heating can be effectively removed
The indoor residual oil liquid of device burning, reduces the carbon distribution generated in parking heater combustion chamber.
A kind of parking heater control method, the controlled element of the parking heater include motor, spark plug and oil
Pump, the course of work of the parking heater include ignition phase, regnition stage, heating period and shut-down-phase,
The control method of the ignition phase the following steps are included:
It controls the motor speed and rises to the first setting speed in the first setting time, and keep the first setting speed
After stable operation to the n-th second of ignition phase, motor speed is then controlled again and is at the uniform velocity risen in Y seconds by the first setting speed
Second setting speed after then keeping the second setting speed to run M seconds, judges that the current case temperature of parking heater is relatively lighted a fire
Stage start before initial temperature whether rise at least 10 degree, if it is, lighting a fire successfully, into the heating period；If it is not, then
It lights a fire unsuccessful, into the regnition stage；Wherein, the value of N is 6 times of the first setting time, and the value of Y is the first setting
4 times of time, 2 times of the first setting time of value of M；
Wherein, after the second setting time of electric motor starting, spark plug is opened with soft starting mode, and spark plug is opening the
It keeps current voltage X seconds constant after three setting times, the voltage at spark plug both ends is risen into setting voltage in X seconds later,
Then keep the voltage at spark plug both ends constant, until ignition phase terminates, spark plug is turned off；Wherein, the second setting time is small
In the first setting time and it is greater than third setting time, the value of X is greater than the second setting time and less than the first setting time；
After electric motor starting Y seconds, control oil pump is started to work, and preceding X seconds control oil pump working frequency is the first setting value, it
Rear pump or output pump working frequency carries out linear regulation according to motor speed, remains unchanged the Wind-oil ratio of oil pump, wherein motor speed is got over
Height, operation of oil pump frequency are higher.
Further, the regnition stage control method the following steps are included:
Control motor dropped to third setting speed by current rotating speed in T seconds, then at the uniform velocity rose to again in 2T seconds
Second setting speed, then with the second setting speed operation 6T second after, it is interior at T seconds that revolving speed is dropped to first from the second setting speed
Setting speed；After motor keeps the first setting speed to run 2T seconds, the second setting speed is at the uniform velocity risen to again in 3T seconds；Motor
After keeping the second setting speed to run 7T seconds, judge initial before the current case temperature of parking heater starts compared with ignition phase
Whether temperature rises at least 10 degree, if it is, regnition success, into the heating period；If it is not, then regnition not at
Function, into shut-down-phase；Wherein, the value of T is greater than the second setting time less than the first setting time；
Wherein, after ignition phase, electric motor starting N seconds, spark plug is opened with soft starting mode, and spark plug is opening third
It is remained unchanged after setting time X seconds, the voltage at spark plug both ends rises to setting voltage in the second setting time later, then
It keeps the voltage at spark plug both ends constant, terminates until the regnition stage, spark plug shutdown；
Into after ignition phase 13T seconds, oil pump is started to work, and preceding X seconds operation of oil pump frequency is the first setting value, oily later
Pump work frequency carries out linear regulation according to motor speed, remains unchanged the Wind-oil ratio of oil pump, wherein and motor speed is higher,
Operation of oil pump frequency is higher.
Further, the heating period control method the following steps are included:
Since entering the heating period, control spark plug turns off again after keeping it turning on M seconds；
Motor speed is enabled at the uniform velocity to rise to the 4th setting speed by the second setting speed in N seconds or Y seconds；
Operation of oil pump frequency carries out linear regulation according to motor speed again, remains unchanged the Wind-oil ratio of oil pump, wherein
When motor speed reaches four setting speeds, operation of oil pump frequency reaches the second setting value, wherein the second setting value is greater than the
One setting value.
Further, the control method of the heating period is further comprising the steps of:
Motor speed is stablized after the 4th setting speed, according to the current case temperature of parking heater and set temperature it
Between the temperature difference, judge whether motor needs reduction of speed, wherein when the temperature difference be greater than given threshold when, motor speed keep the 4th setting
Revolving speed is constant, when the temperature difference is not more than given threshold, enables motor completion reduction of speed in M second, wherein the lower limit value of motor speed is
5th setting speed, wherein the 5th setting speed is greater than the first setting speed and less than the second setting speed.
Further, the shut-down-phase control method the following steps are included:
Oil pump stops working immediately；
Spark plug is opened with soft starting mode, and spark plug remains unchanged X seconds after opening the second setting time, is being closed later
The voltage at spark plug both ends rises to setting voltage at 3X seconds of the machine stage；Spark plug closes after keeping setting voltage status 5X seconds
It is disconnected；
Motor drops to the 5th setting speed from current rotating speed in Y seconds, then carries out constant fortune with the 5th setting speed
Turn, until the temperature of parking heater shell is lower than 50 degree, motor speed rises to the 6th setting with given most fast change rate
Revolving speed, and after twice of maintenance of third setting time, motor power down, then entire parking heater stops working, wherein the 5th sets
Determine revolving speed greater than the first setting speed and less than the second setting speed, the 6th setting speed is greater than the second setting speed and less than the
Four revolving speeds.
Further, the entry condition of the shut-down-phase are as follows:
Parking heater stop key is pressed or judges loss of ignition in the regnition stage.
The utility model has the advantages that
The present invention provides a kind of parking heater control method, so that parking heater is operated in preferably working condition, prolongs
The service life that the elements such as long reach plug use can effectively remove the indoor residual oil liquid of parking heater burning, reduce parking and add
The carbon distribution generated in hot device combustion chamber, adapts to broader region and altitude environment, reaches the effect for saving fuel oil, energy-saving and emission-reduction
Fruit.
Detailed description of the invention
Fig. 1 is the state artwork of ignition phase provided by the invention and heating period；
Fig. 2 is the state artwork in regnition stage provided by the invention and heating period；
Fig. 3 is the state artwork of down speeding procedure in the heating period provided by the invention；
Fig. 4 is the state artwork of shut-down-phase provided by the invention；
Fig. 5 is that a kind of Wind-oil ratio provided by the invention adjusts schematic diagram.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described.
A kind of parking heater control method, the controlled element of the parking heater include motor, spark plug and oil
Pump, the course of work of the parking heater includes ignition phase, regnition stage, heating period and shut-down-phase；
Referring to Fig. 1, which is the state artwork of ignition phase provided in this embodiment and heating period；The igniting rank
Section control method the following steps are included:
It controls the motor speed and rises to 1400r/min in 15 seconds, and the stabilization of speed of 1400r/min is kept to run
To after the 90th second of ignition phase, motor speed is then controlled again, 2600r/ is at the uniform velocity risen to by 1400r/min in 60 seconds
Min judges the current case temperature of parking heater compared with ignition phase after then keeping the revolving speed of 2600r/min to run 30 seconds
Whether the initial temperature before beginning rises 10 degree, if it is, lighting a fire successfully, into the heating period；If it is not, then igniting not at
Function, into the regnition stage；
Wherein, after electric motor starting 3 seconds, spark plug is opened with soft starting mode, and spark plug keeps current after opening 2 seconds
Voltage is constant to stop 5 seconds, and the voltage at spark plug both ends is risen to 14 volts in 5 seconds later, then keeps spark plug both ends
Voltage is constant, and until ignition phase terminates, spark plug is turned off；
After electric motor starting 60 seconds, control oil pump start to work, preceding 5 seconds control oil pump working frequencies be 4Hz, rear pump or output pump
Working frequency carries out linear regulation according to motor speed, remains unchanged the Wind-oil ratio of oil pump, wherein motor speed is higher, oil
Pump work frequency is higher.
It should be noted that the first setting time, the second setting time, third setting time, that the present embodiment provides
One setting speed, the second setting speed and the only one of implementation of specific value for setting voltage, for example, first sets
10 seconds, 20 seconds etc. can also be set as according to actual needs by fixing time, that is to say, that and the first setting time 15 seconds is preferred value,
Value range is at least 10~20 seconds；First setting speed can also be set as 1300r/min~1500r/ according to actual needs
min；Similarly, the present embodiment is no longer superfluous to the second setting time, third setting time, the second setting speed and setting voltage
It states；In addition, for setting time, the setting speed etc. of subsequent appearance, it can also according to actual needs, model, fire such as motor
The settings such as flower plug size；That is, up and down trend of the present embodiment concern is primarily with motor speed in each stage,
The variation tendency of spark plug conducting shutdown in each stage, voltage transformation trend and oil pump working frequency in each stage, it is various
The setting of time, revolving speed and voltage can determine according to the actual situation.
It should be noted that motor speed rises to 1400r/min in 15 seconds, and protects after heater booting key pressing
1400r/min stable operation is held, spark plug is opened after 3 seconds by soft start, and stop 5 seconds was remained unchanged at 5 seconds or so, is done so
Purpose be to preheat spark plug, to reduce rush of current, soft start rises to 14 volts in 15 seconds later, later basis
Voltage Feedback and current feedback carry out power limitation control.The revolving speed of 1400r/min or so is conducive to the heating of spark plug and initial
Igniting.Oil pump is started to work at 60 seconds, starts 5 seconds frequency fuel feeding with constant 4Hz, it is therefore an objective to guarantee the timely of initial fuel feeding and
Smooth ignition, operation of oil pump frequency carries out linear regulation by fixed Wind-oil ratio with motor speed later, and revolving speed is higher, oil pump frequency
Rate is faster.Motor speed at 60 seconds slowly rose to 2600r/min in ignition process after oil pump feed, and maintained revolving speed constant
By 180 seconds, the purpose that revolving speed rises in ignition process was to guarantee the temperature of increasing ignition process combusts room, reduced ignition process
Burning room noise, the generation of carbon distribution in ignition process is prevented, to be rapidly achieved optimal combustion state.In 180 seconds Shi Jinhang
Igniting successfully judgement, lights a fire successfully if 10 degree of housing optical sensor temperature rising is considered as, otherwise it is assumed that igniting is unsuccessful immediately
Spark plug is turned off, and enters the regnition stage.It is successfully when reserving to rise to case temperature that at 180 seconds, judgement, which was lighted a fire,
Between, otherwise the time it is too short be easy to cause erroneous judgement, this is also advantageous that in the time of smooth ignition rotation speed change process for 180 seconds.
Further, referring to fig. 2, which is the state technique in regnition stage and heating period provided in this embodiment
Figure；The control method in the regnition stage the following steps are included:
Control motor dropped to 600r/min by current rotating speed in 10 seconds, then at the uniform velocity rose to again in 20 seconds
2600r/min, then after running 60 seconds with the revolving speed of 2600r/min, revolving speed is dropped into 1400r/ from 2600r/min in 10 seconds
min；After motor keeps the revolving speed of 1400r/min to run 20 seconds, 2600r/min is at the uniform velocity risen to again in 30 seconds；Motor is kept
After the revolving speed of 2600r/min is run 70 seconds, judge initial before the current case temperature of parking heater starts compared with ignition phase
Whether temperature rises 10 degree, if it is, regnition success, into the heating period；If it is not, then regnition is unsuccessful,
Into shut-down-phase；
Wherein, after ignition phase, electric motor starting 90 seconds, spark plug is opened with soft starting mode, and spark plug is being opened 2 seconds
After remain unchanged stop 5 seconds, the voltage at spark plug both ends rises to 14 volts in 3 seconds later, then keeps spark plug both ends
Voltage is constant, terminates until the regnition stage, spark plug shutdown；
Into after ignition phase 130 seconds, oil pump is started to work, and preceding 5 seconds operation of oil pump frequencies are 4Hz, later operation of oil pump
Frequency carries out linear regulation according to motor speed, remains unchanged the Wind-oil ratio of oil pump, wherein motor speed is higher, oil pump work
Working frequency is higher.
It should be noted that the state artwork and ignition phase after 90 seconds regnition stages are essentially identical, difference
Place is only before 90 seconds.It may also cause to put out a fire due to oil starvation after entering normal heating state, it is external at this time
Parking controller according to parking heater case temperature decline situation carry out fire extinguishing judgement, if during heating judgement go out
Fire similarly enters the regnition stage.Therefore enter regnition moment motor revolving speed be it is uncertain, such as institute in Fig. 2
Show, motor dropped to 600 turns by current rotating speed in 10 seconds, it is therefore an objective to be climbed to 2600 in 20 seconds with a slow-speed of revolution
Turn, make in this way the combustion chamber in remain oil liquid quick backflow gather, then with 2600 turns steady running 90 seconds, by the intracorporal oil liquid of machine
Quickly blowout cavity, prevents from smoldering when regnition；As it can be seen that motor speed curve can be more in the regnition stage of the present embodiment
The indoor residual oil liquid that burns rationally is removed, carbon distribution is cleared up, guarantees that the regnition stage is smoothly smooth, does not smolder.
Further, the heating period control method the following steps are included:
Since entering the heating period, control spark plug turns off again after keeping it turning on 30 seconds；
Motor speed is enabled at the uniform velocity to rise to 4000r/min by 2600r/min in 90 seconds or 60 seconds；
Operation of oil pump frequency carries out linear regulation according to motor speed again, remains unchanged the Wind-oil ratio of oil pump, wherein
When motor speed reaches 4000r/min, operation of oil pump frequency reaches 5.6Hz.
It should be noted that if igniting or regnition success, spark plug continue to be powered 30 seconds, it is therefore intended that pass through
Carbon distribution on high fire burning cleaning spark plug after raising speed.Igniting or regnition success while, motor in 90 seconds or 60 seconds on
It is raised to maximum speed, oil pump then follows always revolving speed under the premise of guaranteeing that Wind-oil ratio is constant into the adjusting of frequency, in turn up
Oil frequency reaches 5.6Hz when to 4000r/min.
Further, referring to Fig. 3, which is the state artwork of down speeding procedure in the heating period provided in this embodiment；
The control method of the heating period is further comprising the steps of:
Motor speed is stablized after 4000r/min, according between the current case temperature and set temperature of parking heater
The temperature difference, judge whether motor needs reduction of speed, wherein when the temperature difference be greater than given threshold when, motor speed keep 4000r/min not
Become, when the temperature difference is not more than given threshold, enables motor complete reduction of speed in 30 seconds, wherein the lower limit value of motor speed is
2000r/min。
It should be noted that spark plug only has first 30 seconds and opens into after the heating period, behind be always to close, only
There are motor and operation of oil pump.After igniting is successfully entered heating process, external controller carries out temperature according to the setting value of temperature
Adjust control, at the same controller external during heating according to external pressure sensor and external carbon monoxide transducer into
The adjusting of row Wind-oil ratio, wherein baroceptor is main adjusting foundation, and adjusting is infrequently, because air pressure change is
One process become slowly.According to the adjusting of carbon monoxide, not instead of change Wind-oil ratio, in real time to motor speed or oil pump frequency
It is finely adjusted, to achieve the purpose that improve carbon monoxide emission, reduce carbon distribution in body；It can be seen that disclosed in the present embodiment
Automatic adjusument mechanism is carried out after entering normal heating, in order to be guaranteed smooth ignition, be reduced igniting process
Complexity.
As shown in figure 3, the revolving speed in heating process is adjusted between highest and lowest two gears according to temperature difference,
The lifting shelves time is set as 30 seconds, and oil pump frequency is by linear Wind-oil ratio in company with variation in adjustment process.Since motor speed controls
It is that can be made based on PI adjusting variable speed, therefore thermostatic control mode disclosed in the present embodiment in set temperature and shell
When actual temperature is equal or temperature difference is less than preset threshold, such as 1 degree, motor can be minimum any between maximum speed one
Stable operation on a revolving speed, to achieve the effect that fuel-economizing constant temperature.
Further, referring to fig. 4, which is the state artwork of shut-down-phase provided in this embodiment；The shutdown rank
Section control method the following steps are included:
Oil pump stops working immediately；
Spark plug is opened with soft starting mode, and spark plug remains unchanged stop 5 seconds after opening 3 seconds, later in shutdown rank
Section the 15th second when spark plug both ends voltage rise to 14 volts；It is turned off behind voltage status 25 seconds of 14 volts of spark plug holding；
Motor drops to 2000r/min from current rotating speed in 60 seconds, is then transported with the constant rotational speed of 2000r/min
Turn, until the temperature of parking heater shell is lower than 50 degree, motor speed rises to 3500r/ with given most fast change rate
Min, and after maintenance 4 seconds, motor power down, then entire parking heater stops working.
Further, the entry condition of the shut-down-phase are as follows:
Parking heater stop key is pressed or judges loss of ignition in the regnition stage.
It should be noted that judging that loss of ignition, heater just start during pressing stop key or regnition
Into shutdown process.As shown in figure 4, stopping working immediately into shutdown process rear pump or output pump.Motor exists from current working speed
Drop to 2000r/min in 60 seconds, spark plug turns off after opening maintenance 40 seconds according to ignition process open theory and process.It is closing
Spark plug is opened during machine, it is therefore intended that so that the remaining oil liquid burning of spark plug is clean, otherwise will emit when booting next time
Cigarette is to generate carbon distribution.Motor is operated after spark plug shutdown with the constant rotational speed of 2000r/min, external during this
Controller real-time monitoring case temperature, if case temperature be lower than 50 degree, motor speed is risen to most fast change rate
3600r/min, and maintain 4 seconds, then motor power down, entire heater stops working.A high revolving speed is given before shutting down suddenly
Purpose for the residue that burns in shock machine body, play the role of clearing up combustion chamber.The electricity if case temperature is higher than 50 degree
Machine operates always blowing, until temperature is shut down lower than 50 degree by the above process.It can be seen that shutting down according to disclosed in the present embodiment
Artwork can make entire shutdown process and next start process not smolder, reduce carbon distribution and generate.
Further, referring to Fig. 5, which is that a kind of Wind-oil ratio provided in this embodiment adjusts schematic diagram.Set benchmark frequency
Rate is 1.7Hz, and linear regulation, according to the adjustable Wind-oil ratio of atmospheric pressure, reasonable Wind-oil ratio parameter are pressed more than reference frequency
It is the key that guarantee good combustion, rationally discharge, reduce carbon distribution, save fuel oil.
In addition, heater work when, external singlechip controller real-time measurement atmospheric pressure numerical value, due to atmospheric pressure with
Oxygen content in height above sea level and air has fixed relationship, it is possible to the Wind-oil ratio relationship pair depressed according to normal atmosphere
Wind-oil ratio under different atmospheric pressure is linearly corrected, and experimental data demonstrates having for this method to vehicle different altitude height on the spot
Effect property.Outlet carbon monoxide content is used to carry out the fine tuning of Wind-oil ratio, i.e., motor speed or oil pump are finely tuned under current working
Frequency, method of adjustment are first to finely tune motor speed, then observe the content of carbon monoxide, continue fine tuning if reducing until closing
Lattice restore former revolving speed if increasing and then increase oil frequency, the same revolving speed of adjustment process.It is solved very well according to carbon monoxide fine tuning
Since region is different, fuel qualities are different, carbon monoxide excessive problem in the discharge of chamber structure manufacturing process difference bring.
Certainly, the invention may also have other embodiments, without deviating from the spirit and substance of the present invention, ripe
Various corresponding changes and modifications can be made according to the present invention certainly by knowing those skilled in the art, but these it is corresponding change and
Deformation all should fall within the scope of protection of the appended claims of the present invention.
Claims (6)
1. a kind of parking heater control method, the controlled element of the parking heater includes motor, spark plug and oil pump,
The course of work of the parking heater includes ignition phase, regnition stage, heating period and shut-down-phase, feature
It is,
The control method of the ignition phase the following steps are included:
It controls the motor speed and rises to the first setting speed in the first setting time, and the first setting speed is kept to stablize
After running to the n-th second of ignition phase, motor speed is then controlled again and at the uniform velocity rises to second by the first setting speed in Y seconds
Setting speed judges the current case temperature of parking heater compared with ignition phase after then keeping the second setting speed to run M seconds
Whether the initial temperature before beginning rises at least 10 degree, if it is, lighting a fire successfully, into the heating period；If it is not, then igniting
It is unsuccessful, into the regnition stage；Wherein, the value of N is 6 times of the first setting time, and the value of Y is the first setting time
4 times, 2 times of the first setting time of value of M；
Wherein, after the second setting time of electric motor starting, spark plug is opened with soft starting mode, and spark plug is set in unlatching third
It keeps current voltage X seconds constant after fixing time, the voltage at spark plug both ends is risen into setting voltage in X seconds later, then
Keep the voltage at spark plug both ends constant, until ignition phase terminates, spark plug is turned off；Wherein, the second setting time is less than
One setting time and it is greater than third setting time, the value of X is greater than the second setting time and less than the first setting time；
After electric motor starting Y seconds, control oil pump is started to work, and preceding X seconds control oil pump working frequency is the first setting value, oily later
Pump work frequency carries out linear regulation according to motor speed, remains unchanged the Wind-oil ratio of oil pump, wherein and motor speed is higher,
Operation of oil pump frequency is higher.
2. a kind of parking heater control method as described in claim 1, which is characterized in that the control in the regnition stage
Method processed the following steps are included:
Control motor dropped to third setting speed by current rotating speed in T seconds, then at the uniform velocity rose to second again in 2T seconds
Setting speed, then with the second setting speed operation 6T second after, it is interior at T seconds that revolving speed is dropped into the first setting from the second setting speed
Revolving speed；After motor keeps the first setting speed to run 2T seconds, the second setting speed is at the uniform velocity risen to again in 3T seconds；Motor is kept
After second setting speed is run 7T seconds, the initial temperature before the current case temperature of parking heater starts compared with ignition phase is judged
Whether at least 10 degree are risen, if it is, regnition success, into the heating period；If it is not, then regnition is unsuccessful,
Into shut-down-phase；Wherein, the value of T is greater than the second setting time less than the first setting time；
Wherein, after ignition phase, electric motor starting N seconds, spark plug is opened with soft starting mode, and spark plug is opening third setting
It is remained unchanged after time X seconds, the voltage at spark plug both ends rises to setting voltage in the second setting time later, then keeps
The voltage at spark plug both ends is constant, terminates until the regnition stage, spark plug shutdown；
Into after ignition phase 13T seconds, oil pump start to work, preceding X second operation of oil pump frequency be the first setting value, rear pump or output pump work
Working frequency carries out linear regulation according to motor speed, remains unchanged the Wind-oil ratio of oil pump, wherein motor speed is higher, oil pump
Working frequency is higher.
3. a kind of parking heater control method as claimed in claim 1 or 2, which is characterized in that the control of the heating period
Method processed the following steps are included:
Since entering the heating period, control spark plug turns off again after keeping it turning on M seconds；
Motor speed is enabled at the uniform velocity to rise to the 4th setting speed by the second setting speed in N seconds or Y seconds；
Operation of oil pump frequency carries out linear regulation according to motor speed again, remains unchanged the Wind-oil ratio of oil pump, wherein to work as electricity
When machine revolving speed reaches four setting speeds, operation of oil pump frequency reaches the second setting value, wherein the second setting value is greater than first and sets
Definite value.
4. a kind of parking heater control method as claimed in claim 3, which is characterized in that the controlling party of the heating period
Method is further comprising the steps of:
Motor speed is stablized after the 4th setting speed, according between the current case temperature and set temperature of parking heater
The temperature difference, judges whether motor needs reduction of speed, wherein when the temperature difference is greater than given threshold, motor speed keeps the 4th setting speed
It is constant, when the temperature difference is not more than given threshold, motor is enabled to complete reduction of speed in M seconds, wherein the lower limit value of motor speed is the 5th
Setting speed, wherein the 5th setting speed is greater than the first setting speed and less than the second setting speed.
5. a kind of parking heater control method as claimed in claim 1 or 2, which is characterized in that the control of the shut-down-phase
Method processed the following steps are included:
Oil pump stops working immediately；
Spark plug is opened with soft starting mode, and spark plug remains unchanged X seconds after opening the second setting time, later in shutdown rank
Section 3X seconds when spark plug both ends voltage rise to setting voltage；Spark plug turns off after keeping setting voltage status 5X seconds；
Motor drops to the 5th setting speed from current rotating speed in Y seconds, then carries out constant operating with the 5th setting speed, directly
Temperature to parking heater shell is lower than 50 degree, and motor speed rises to the 6th setting speed with given most fast change rate,
And after maintaining twice of third setting time, motor power down, then entire parking heater stops working, wherein the 5th setting turns
Speed is greater than the first setting speed and less than the second setting speed, and the 6th setting speed is greater than the second setting speed and less than the 4th turn
Speed.
6. a kind of parking heater control method as claimed in claim 5, which is characterized in that the shut-down-phase enters item
Part are as follows:
Parking heater stop key is pressed or judges loss of ignition in the regnition stage.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111959347A (en) * | 2020-08-13 | 2020-11-20 | 宜宾凯翼汽车有限公司 | Control method of parking heater for battery pack |
| CN113864096A (en) * | 2021-09-28 | 2021-12-31 | 黑龙江科技大学 | Parking heater flameout protection device and working method thereof |
| CN115257304A (en) * | 2022-09-28 | 2022-11-01 | 山东众诚新能源股份有限公司 | Parking heater operation detection management and control system |
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| CN111959347A (en) * | 2020-08-13 | 2020-11-20 | 宜宾凯翼汽车有限公司 | Control method of parking heater for battery pack |
| CN113864096A (en) * | 2021-09-28 | 2021-12-31 | 黑龙江科技大学 | Parking heater flameout protection device and working method thereof |
| CN115257304A (en) * | 2022-09-28 | 2022-11-01 | 山东众诚新能源股份有限公司 | Parking heater operation detection management and control system |
| CN115257304B (en) * | 2022-09-28 | 2023-01-31 | 山东众诚新能源股份有限公司 | Parking heater operation detection management and control system |
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