CN103994617A - Vehicle air conditioning control device - Google Patents
Vehicle air conditioning control device Download PDFInfo
- Publication number
- CN103994617A CN103994617A CN201410054807.3A CN201410054807A CN103994617A CN 103994617 A CN103994617 A CN 103994617A CN 201410054807 A CN201410054807 A CN 201410054807A CN 103994617 A CN103994617 A CN 103994617A
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- China
- Prior art keywords
- cold
- air
- compressor
- stop
- threshold value
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00764—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a vehicle driving condition, e.g. speed
- B60H1/00778—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a vehicle driving condition, e.g. speed the input being a stationary vehicle position, e.g. parking or stopping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00492—Heating, cooling or ventilating [HVAC] devices comprising regenerative heating or cooling means, e.g. heat accumulators
- B60H1/005—Regenerative cooling means, e.g. cold accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2327/00—Refrigeration system using an engine for driving a compressor
- F25B2327/001—Refrigeration system using an engine for driving a compressor of the internal combustion type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/24—Storage receiver heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/19—Calculation of parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0251—Compressor control by controlling speed with on-off operation
Abstract
A vehicle air conditioning control device is provided; a compressor is driven by driving force of an explosive motor in the vehicle so as to compress a freezing agent; an evaporator is configured to convert partial freezing agent into cooling air in a cooling work and used for storing residual cooling air in a cooling storage element; a control unit employs the cooling air stored in the cooling storage element to control air conditions in a vehicle compartment when the compressor stops; a refrigerating capacity calculation unit is configured to calculate a cooling air amount stored in the cooling storage element. The control unit is used for controlling the stopping of the compressor in work according to a stop condition changed corresponding to the refrigerating capacity calculated by the refrigerating capacity calculation unit.
Description
Technical field
The present invention relates to a kind of car air-conditioner control device, more particularly, the present invention relates to a kind ofly by optimizing dwelling period and the dwell time by the compressor for compressed refrigerant of the drive force of explosive motor, can realize the car air-conditioner control device of cooling performance and maneuverability.
Background technology
Utilize the vehicle mounting that the driving force of explosive motor is travelled to be useful on the car air-conditioner control device of controlling aircondition, aircondition comprises: by the compressor for compressed refrigerant of the drive force of explosive motor; And evaporimeter, at cold-producing medium and to heat-shift between the air discharging in compartment, evaporimeter is converted to cold wind by the cold air of cold-producing medium, to realize refrigerating function.
Recently, when meeting automatic stop condition, can make explosive motor automatically stop, and when meeting autoboot condition, the idling stop vehicle that explosive motor is restarted is more and more.The problem of idling stop vehicle is, if make explosive motor stop in order to improve fuel consumption, lose the driving force of the compressor of aircondition, and therefore, refrigerating function stops, and the in the situation that temperature being high outside car, such as summer, can not after stopping, explosive motor discharge immediately cold wind.
As the measure addressing this problem, aircondition comprises the evaporimeter with the cold element of storage.The evaporimeter with the cold element of storage adopts, and in refrigeration work, the whole cold air that are contained in the cold-producing medium in evaporimeter can not be converted to the principle of cold wind.Evaporimeter has the cold air that will not be converted to cold wind and be therefore retained in evaporimeter and is stored in the function in cold element.Owing to utilizing the cold air storing in evaporimeter, so idling stop vehicle can be discharged into cold wind in the internal-combustion engine unit room of vehicle (patent documentation 1).
1: the 2011-068190A Japanese patent application of patent documentation
Yet, because the driving force of explosive motor is driven the compressor that the vehicle of sailing utilizes the drive force aircondition of explosive motor conventionally, so can not avoid reducing for driving the driving force of the explosive motor of sailing vehicle, because there is compression load in refrigeration work.Due to the driving force of explosive motor reduce cause maneuverability to worsen, so as measure, when occupant's pin stepping on accelerator pedal, the control that improves sense of acceleration by compressor is stopped is provided, or provide when occupant's pin is stepped on brake pedal, by making compressor stop adopting the main rear portion of the brake that utilizes air-intake negative-pressure to improve the control of legpower power-assisted ability, and conventionally these controls are called to air-conditioner cutting-off controlling.
In the situation that utilizing air-conditioner cutting-off controlling that compressor is stopped, the problem of existence is, due to can not compressed refrigerant, so the temperature of evaporimeter raises, and therefore, the temperature of the air blast of discharging from aircondition raises, thereby worsens cooling performance.
Cooling performance and maneuverability are a kind of trade-off relations.For maneuverability accord priority is set to obtain to long situation by the dwell time of compressor, deterioration of cooling performance, may make occupant dissatisfied.On the contrary, for the situation of the dwell time of compressor being set shortly in order to improve cooling performance, compressor uses the driving force of explosive motor, thereby causes maneuverability to worsen, and therefore may make occupant dissatisfied.
Summary of the invention
Therefore, the object of the invention is by estimating the storage cold of evaporimeter, and therefore optimize the control that stops of compressor, realize refrigeration performance and maneuverability simultaneously.
In order to realize object of the present invention, according to the embodiment of the present invention aspect, provide a kind of car air-conditioner control device, comprising: compressor, it is configured to by the drive force that is arranged on the explosive motor in vehicle, with compressed refrigerant; Store up cold element; Evaporimeter, it is configured in refrigeration work, and a part of cold air of cold-producing medium is converted to cold wind, and remaining cold air is stored in cold element; Control module, it is configured to when compressor stops, and by the cold air being stored in the cold element of storage, controls the air regime in compartment; And storage cold computing unit, it is configured to calculate the amount that is stored in the cold air in the cold element of storage, the stop condition that wherein control module changes according to the storage cold calculating corresponding to storage cold computing unit to the compressor of working stop control.
The present invention can estimate the storage cold of evaporimeter, and dwelling period or the dwell time of the compressor that optimization is being worked according to storage cold, thereby makes compressor stop the long period.
The present invention can set in detail according to the storage cold of evaporimeter the control that stops of compressor, thereby by extending the dwell time of compressor, improves fuel consumption.
Accompanying drawing explanation
In the accompanying drawings:
Fig. 1 is the system diagram illustrating according to the car air-conditioner control device of embodiment;
(A) in Fig. 2 illustrates the figure of factor alpha that calculates storage cold according to embodiment, and (B) is that the flat figure of storage cold water that utilizes cold reserves to calculate is shown;
Fig. 3 is the schematic diagram of controlling according to the air-conditioning of the car air-conditioner control device execution of embodiment;
(A) in Fig. 4 illustrates the figure that meets stop condition according to embodiment and do not meet relation between stop condition when giving it the gun, and (B) is the figure that the threshold value B of speed of a motor vehicle condition is shown, and (C) is the figure that the threshold value C of accelerator opening condition is shown;
Fig. 5 determines when giving it the gun according to embodiment to meet stop condition/the do not meet flow chart of stop condition;
(A) in Fig. 6 illustrates according to embodiment, to meet and do not meet the figure of relation between stop condition when the full-throttle driving, and (B) is the figure that the threshold value E of accelerator opening condition is shown;
Fig. 7 meets or does not meet the flow chart of stop condition when determining full-throttle driving according to embodiment;
(A) in Fig. 8 illustrates according to embodiment guaranteeing that negative pressure when braking meet and do not meet the figure of relation between stop condition, and (B) is the figure that the threshold value G of negative pressure braking condition is shown;
Fig. 9 determines the flow chart that meets or do not meet stop condition when guaranteeing negative pressure braking according to embodiment;
Figure 10 is the figure that relation between the stop condition that meets and do not meet compressor according to embodiment according to transport condition is shown; And
Figure 11 determines the flow chart that meets or do not meet compressor stop condition according to transport condition according to embodiment.
The specific embodiment
Now, the embodiment of the present invention will be described with reference to the drawings.
Fig. 1 to 11 illustrates the embodiment of the present invention.In Fig. 1, vehicle 1 comprises: explosive motor 2, can produce the driving force of travelling; And aircondition 3.The aircondition 3 of vehicle 1 has: compressor 4, by the drive force of explosive motor 2, with compressed refrigerant; Air blowing fan 7, for delivering to air in the air-conditioning path 6 being formed by air-conditioner pipe 5; Evaporimeter 8, utilizes the evaporation latent heat of cold-producing medium to produce cold air; And heater core 9, utilize the heat of the cooling fluid of explosive motor 2 to produce heat.
By the drive force compressor 4 of explosive motor 2, with compressed refrigerant.The cold-producing medium of compression is by condenser 10 and receiver 11 is cooling and liquefaction, then, is sent to evaporimeter 8.By carrying out with air in evaporimeter 8, heat exchange is heated and the cold-producing medium that expands is reclaimed by compressor 4, then, and again to its compression.Fan motor 12 drives air blowing fan 7, so that the air of air-conditioning path 6 is delivered to compartment.Evaporimeter 8 for example has the cold element 13(of storage, paraffin), and in cooling work, a part of cold air of cold-producing medium can be converted to cold wind, and residue cold air is stored in to the cold element 13 of storage.In heating work, heater core 9 is converted to hot blast by the air of air-conditioning path 6.Heater core 9 is amesiality, air-conditioning path 6 is divided into heater core path 14 and bypass path 15.
Air-conditioning path 6 is provided with: inlet baffle 16, is positioned at the upstream side of air blowing fan 7; Air mixing baffle 17, the upstream of the heater core 9 in the middle part of being positioned at; And outlet damper 18 and 19, be positioned at the downstream of heater core 9.
Inlet baffle 16 is driven by entrance actuator 20, and air (inner air) and the air from the compartment of extraneous air entrance 22 suctions in the compartment that optionally makes to suck from inner air entrance 21 enter.Air mixing baffle 17 is driven by air mixing actuator 23, and be adjusted in hot blast mobile in heater core path 14 and in bypass path 15 ratio of mobile cold wind, to adjust in order to heat or to freeze and be discharged to the exhaust temperature of the conditioned air in compartment.Outlet damper 18 and 19 is driven by outlet actuator 24 and 25, and according to air conditioning mode, optionally from corresponding outlet 26,27 and 28, discharges conditioned air.
Engine 2, compressor 4, fan motor 12, entrance actuator 20, air mixing actuator 23 and outlet actuator 24 and 25 are connected to control module 29.Control module 29 is connected with: air-conditioning switch 30, for driving aircondition 3 or aircondition 3 being stopped; Accel sensor 31, for detection of in trampling the accelerator opening of the accelerator pedal of state; Vehicle speed sensor 32, for detection of the speed of a motor vehicle of vehicle 1; Braking B/P EGR Back Pressure Transducer EGR 33, for utilizing the air-intake negative-pressure of explosive motor 2, detects the braking negative pressure to the main rear portion of the pedal force power-assisted of brake pedal (master back); And evaporator temperature sensor 34, for detection of the temperature of evaporimeter 8.
Control module 29 coordinates with accel sensor 31 and vehicle speed sensor 32 and is configured for that explosive motor 2 is stopped automatically or the automatic stop control 35 of explosive motor of autoboot.The control module 29 that forms the automatic stop control 35 of explosive motor has auto-stopper 36 and autoboot device 37.When meeting predetermined condition (automatic stop condition, for example, when stopping) time, control module 29 is by utilizing auto-stopper 36 control Fuelinjection nozzles or igniter that explosive motor 2 is stopped automatically, and when meeting another predetermined condition (autoboot condition, for example, when starting), control module 29 is by utilizing autoboot device 37 control Fuelinjection nozzles or igniter to make self-braking explosive motor 2 autoboots.
Therefore, vehicle 1 is the idling stop vehicle that can make explosive motor 2 stop when meeting predetermined condition.
In addition, control module 29 coordinates and forms car air-conditioner control device 38 with compressor 4, fan motor 12, entrance actuator 20, air mixing actuator 23, outlet actuator 24 and 25, air-conditioning switch 30, accel sensor 31, vehicle speed sensor 32, braking B/P EGR Back Pressure Transducer EGR 33 and evaporator temperature sensor 34.Car air-conditioner control device 38 comprises: compressor 4, by the drive force of explosive motor 2, with compressed refrigerant; Store up cold element 13; Evaporimeter 8, for being converted to a part of cold air of cold-producing medium when the refrigeration work cold wind and residue cold air being stored in to the cold element 13 of storage; And control module 29, when compressor 4 stops, by being stored in the air regime in the cold air adjustment compartment in the cold element 13 of storage.
The control module 29 that forms car air-conditioner control device 38 has: storage cold calculation element 39, for calculating the amount of the cold air of cold element 13 storages of storage; And compressor stop control 40, for the stop condition changing according to the storage cold calculating based on storage cold calculation element 39, control stopping of compressor 4.Control module 29 utilizes storage cold calculation element 39 to calculate the storage cold of the cold element 13 of storage, and the stop condition changing according to the storage cold calculating based on storage cold calculation element 39, the stopping of the compressor 4 that utilizes compressor stop control 40 to control to work.Stop condition by compressor stop control 40 according to vehicle 1(idling stop vehicle) transport condition set.
In this example, conventionally will make the control that compressor stops be called air-conditioner cutting-off controlling according to the stop condition of for example, setting corresponding to above-mentioned travel conditions (, when giving it the gun, when the full-throttle driving, when guaranteeing that braking negative pressure travels).
Now the air-conditioning of describing 38 execution of car air-conditioner control device is controlled.
In the car air-conditioner control device of aircondition that is equipped with the evaporimeter without the cold element of storage, in order to improve maneuverability, make the problem that control that compressor stops exists be, the frequency and the time that compressor are stopped by prolongation, easily obtain effect, but cause like this deterioration of cooling performance.
As shown in Figure 1, in the car air-conditioner control device 38 of aircondition 3 that is equipped with the evaporimeter 8 with the cold element 13 of storage, if it is enough to store up the storage cold of cold element 13, even when compressor 4 stops, also can be by being stored in the cold wind of certain time cycle of cold air drainage in the cold element 13 of storage.Because this reason, car air-conditioner control device 38 calculates the storage cold (Fig. 2) of the cold element 13 of storage, and by changing according to transport condition and setting threshold is carried out compressor 4 stops controlling (Fig. 3 to 11), carry out the control that stops of compressor 4, thereby improve as much as possible stop frequency and the dwell time of compressor 4.In this example, should be by the Threshold changing according to transport condition in the level that does not worsen cooling performance.
In this embodiment, as the control that stops of compressor 4 being carried out in order to improve maneuverability, will describe: stopping when giving it the gun (1) controlled (in order to improve acceleration); (2) stopping during full-throttle driving controlled (in order to improve the acceleration when the accelerator standard-sized sheet); And (3) stopping when guaranteeing to brake negative pressure controlled (in order to improve brake boost ability).
Car air-conditioner control device 38 obtains factor alpha according to the temperature of evaporimeter in the table shown in Fig. 2 (A), to calculate storage cold, and when obtaining factor alpha, utilization is by the factor alpha obtaining and keep the formula of Time Calculation storage cold of the temperature of evaporimeter, calculates storage cold (%): storage cold (%)=storage cold (last time) (%)+factor alpha * time (second).
Car air-conditioner control device 38, by the storage cold (%) of calculating, according to the table shown in Fig. 2 (B), calculates current storage cold water flat (for example, 1 to 7).In this example, if the temperature of evaporimeter surpasses threshold value A (℃), will store up cold (%) and be set as 0(%) (control function 1).
In car air-conditioner control device 38, the speed of a motor vehicle detecting by the accelerator opening that current storage cold water is flat, accel sensor 31 detects in the cold element 13 of storage of the evaporimeter 8 that obtains according to control function 1 and vehicle speed sensor 32, the stop condition while regulating giving it the gun that control function 2 sets; According to the gentle accelerator opening of storage cold water, the stop condition when standard-sized sheet that regulates control function 3 to set travels; The braking negative pressure that, the speed of a motor vehicle flat according to storage cold water and braking B/P EGR Back Pressure Transducer EGR 33 detect, regulate that control function 4 sets guarantee to brake negative pressure time stop condition; And the on/off signal that utilizes air-conditioning switch 30, when giving it the gun during to the judgement of stop condition, full-throttle driving to the judgement of stop condition, while guaranteeing to brake negative pressure to the judgement of stop condition and control function 5, regulate the stop condition of compressor 4,40 pairs of compressors of compressor stop control 4 are carried out and are stopped controlling.
Therefore, the current storage cold water flat (control function 1) of the evaporimeter obtaining according to the temperature by evaporimeter, car air-conditioner control device 38 change the compressor 4 that meets respectively while giving it the gun stop controlling (control function 2), full-throttle driving time the stop condition (control function 3) of compressor 4 and the time of the stop condition (control function 4) of the compressor 4 while guaranteeing to brake negative pressure, and what extend compressor 4 stops the control time (control function 5), thereby improve maneuverability, the deterioration of cooling performance is suppressed to minimum simultaneously.
When giving it the gun to compressor 4 stop control, car air-conditioner control device 38 is by the table shown in Fig. 4 (B), flat according to storage cold water, set the threshold value B of speed of a motor vehicle situation; By the table shown in Fig. 4 (C), flat according to storage cold water, the threshold value C of setting accelerator opening situation; And setting meets the threshold value D lasting after the situation of " speed of a motor vehicle < threshold value B " and the situation of " accelerator opening > threshold value C ".As shown in Fig. 4 (A), car air-conditioner control device 38, according to threshold value B, threshold value C and threshold value D, is determined and is met the stop condition (being called the stop condition while giving it the gun below) that does not still meet compressor 4 while giving it the gun.(control function 2)
If judge that occupant wishes acceleration, while giving it the gun, compressor 4 stops that controlling be by compressor 4 is stopped, improving the control of acceleration, and under the state in the speed of a motor vehicle lower than predetermined value (threshold value B), according to its threshold value, determine whether occupant makes accelerator opening open to such an extent that be greater than predetermined value (threshold value C).When giving it the gun to compressor 4 stop control, due to flat (1 to the 7) height of storage cold water, so the threshold value C of the threshold value B of the speed of a motor vehicle and accelerator opening is set to the numerical value that can easily meet stop condition.
If start to carry out, determine the satisfied program (100) that does not still meet the stop condition while giving it the gun, as shown in Figure 5, car air-conditioner control device 38 determines whether not meet the stop condition (101) while giving it the gun.
If judge that (101) are "Yes" (not satisfying condition), according to the flat threshold value B(102 that obtains speed of a motor vehicle condition of storage cold water), according to the flat threshold value C(103 that obtains accelerator opening condition of storage cold water), and judge that whether the speed of a motor vehicle is lower than threshold value B(104).
If judge that (104) are "Yes" (lower than threshold value B), judge whether accelerator opening surpasses threshold value C(105).
If judge that (105) are "Yes" (being greater than threshold value C), be judged to be the stop condition (106) meeting while giving it the gun, and return to judgement (101) (107).
Simultaneously, if be "No" about not meeting the judgement (101) of the stop condition while giving it the gun, stop timer timing (along with time measurement is carried out) (108) when measuring the giving it the gun of " speed of a motor vehicle < threshold value B " and condition " accelerator opening > threshold value C " the lasting afterwards that satisfy condition, and judgement lasts whether be less than threshold value D(109).
If judging that (109) are "Yes" (being less than threshold value D), determining the stop condition (110) meeting while giving it the gun, and return to judgement (101) (107).
In addition, if be whether "No" (more than threshold value B) lower than the judgement (104) of threshold value B about the speed of a motor vehicle, in the judgement (105) that surpasses threshold value C about accelerator opening, be "No" (below threshold value D), and be "No" (more than threshold value D) in the judgement (109) that is less than threshold value D about lasting, the time measured value that stops timer will speed up while travelling resets to 0(111), determine and do not meet the stop condition (112) while giving it the gun, and return to judgement (101) (107).
That when full-throttle driving, compressor 4 is carried out stops in control, car air-conditioner control device 38 according to the threshold value E of the cold level set accelerator opening condition of storage, and is set the threshold value F lasting satisfy condition after " accelerator opening > threshold value E " by the table shown in Fig. 6 (B).As shown in Fig. 6 (A), utilize threshold value E and threshold value F, the stop condition of compressor 4 while determining whether to meet full-throttle driving (stop condition while being called full-throttle driving below) (control function 3).
If judge that occupant wishes that acceleration maximizes, during full-throttle driving to compressor 4 stop that controlling be to bring up to the highest control by making compressor 4 stop will speed up performance, and whether definite occupant makes accelerator opening open sizable value (threshold value E).When full-throttle driving to compressor 4 stop control, due to storage cold (1 to the 7) height calculating, so will speed up the value that the threshold value E of device aperture is set as easily meeting stop condition.
If the program (200) of the stop condition while starting to carry out for definite satisfied still discontented sufficient full-throttle driving, as shown in Figure 7, stop condition when car air-conditioner control device 38 determines whether to meet full-throttle driving (201).
If judging that (201) are "Yes" (not satisfying condition), flat according to storage cold water, the threshold value E(202 of acquisition accelerator opening condition), and judge whether accelerator opening is greater than threshold value E(203).
If judging that (203) are "Yes" (being greater than threshold value E), determining the stop condition (204) while meeting full-throttle driving, and return to judgement (201) (205).
Simultaneously, if the judgement (201) of the stop condition when about discontented sufficient full-throttle driving is "No" (satisfying condition), for to satisfy condition after " accelerator opening > threshold value E " last the full-throttle driving of measuring time stop timer timing (along with time measurement is carried out) (206), and judge to last whether be less than threshold value F(207).
If judging that (207) are "Yes" (being less than threshold value E), the stop condition while being defined as meeting full-throttle driving (208), and return to judgement (201) (205).
In addition, if be "No" (below threshold value E) in the judgement (203) that is greater than threshold value E about accelerator opening, and be "No" (more than threshold value E) in the judgement (207) that is less than threshold value F about lasting, by stopping the time measured value of timer when the full-throttle driving, be reset to 0(209), stop condition (210) while being defined as discontented sufficient full-throttle driving, and return to judgement (201) (205).
Stopping in control compressor 4 when guaranteeing to brake negative pressure, car air-conditioner control device 38 is guaranteed the threshold value G of condition by the table shown in Fig. 8 (B) according to the cold level set braking of storage negative pressure, and sets the threshold value H lasting satisfying condition after " braking negative pressure < threshold value G ".As shown in Fig. 8 (A), utilize threshold value G and threshold value H, determine and meet the stop condition (being called the stop condition while guaranteeing to brake negative pressure below) (control function 4) that does not still meet compressor 4 while guaranteeing to brake negative pressure.
Occupant by the braking negative pressure at main rear portion as in the situation that the function to pedal force power-assisted while trampling brake pedal, while guaranteeing to brake negative pressure, compressor 4 stops controlling and determines whether braking negative pressure is less than predetermined value (threshold value G), thereby prevent from not providing because braking negative pressure is not enough assist function, and if braking negative pressure is less than predetermined value (threshold value G),, by compressor 4 is stopped, guaranteeing to brake negative pressure.When guaranteeing to brake negative pressure to compressor 4 stop control, if the storage cold water calculating flat (1 to 7) height is set as the threshold value G of braking negative pressure can easily to meet the numerical value of stop condition.In this example, the situation that braking negative pressure is less than predetermined value (threshold value G) (braking negative pressure < threshold value G) means that braking negative pressure is weak to approaching atmospheric pressure, and the state of non-threshold G.
If start to carry out for determining, meet the program (300) that does not still meet the stop condition while guaranteeing to brake negative pressure, as shown in Figure 9, car air-conditioner control device 38 determines whether to meet the stop condition (301) while guaranteeing to brake negative pressure.
If judging that (301) are "Yes" (not satisfying condition), according to flat acquisition of storage cold water, brake the threshold value G(302 that negative pressure is guaranteed condition), and judge whether braking negative pressure is less than threshold value G(303).
If judging that (303) are "Yes" (being less than threshold value G), determining the stop condition (304) meeting while guaranteeing to brake negative pressure, and return to judgement (301) (305).
Simultaneously, if be "No" (satisfying condition) about not meeting the judgement (301) of the stop condition while guaranteeing to brake negative pressure, while guaranteeing to brake negative pressure measurement satisfy condition after " braking negative pressure < threshold value G " last stop timer timing (along with time measurement is carried out) (306), and judge to last whether be less than threshold value H(307).
If judging that (307) are "Yes" (being less than threshold value G), determining the stop condition (308) meeting while guaranteeing to brake negative pressure, and return to judgement (301) (305).
In addition, if be "No" (more than threshold value E) in the judgement (303) that is less than threshold value G about braking negative pressure, and be "No" (more than threshold value H) in the judgement (307) that is less than threshold value H about lasting, the time measured value that stops timer when guaranteeing to brake negative pressure is reset to 0(309), be defined as not meeting the stop condition (310) while guaranteeing to brake negative pressure, and return to judgement (301) (305).
Stopping in control of compressor 4, as shown in figure 10, car air-conditioner control device 38 according to the on/off of air-conditioning switch 30, meet the stop condition that still do not meet while giving it the gun, meet or stop condition during discontented sufficient full-throttle driving or meet the stop condition still not meeting while guaranteeing to brake negative pressure, determine the stop condition of compressor 4.(control function 5).
As shown in Fig. 2 to 9, by putting down and change threshold value A to H according to current storage cold water, under every kind of transport condition to compressor 4 stop controlling the stop condition determine whether to meet while giving it the gun, full-throttle driving time stop condition and any one stop condition in the stop condition while guaranteeing to brake negative pressure, as shown in figure 11.In the situation that any stop condition in the stop condition while meeting the stop condition give it the gun, full-throttle driving and the stop condition while guaranteeing to brake negative pressure stops compressor 4, to improve maneuverability.According to current storage cold, set stopping of compressor 4, not cause deterioration of cooling performance.
According to car air-conditioner control device 38, if start to carry out for determining and meet the program (400) that does not still meet the stop condition of compressor 4, as shown in figure 11, input the evaporator temperature (401) that evaporator temperature sensor 34 detects, calculate for calculating the factor alpha (402) of storage cold, utilize for calculating the formula of storage cold and calculate storage cold (403), and the on/off signal (404) of input air-conditioning switch 30.
In addition, according to car air-conditioner control device 38, input is about meeting the information (405) that does not still meet the stop condition while giving it the gun, the information (406) of stop condition when input is still discontented with sufficient full-throttle driving about meeting, input is about meeting the information that does not still meet the stop condition while guaranteeing to brake negative pressure, and judges whether air-conditioning switch 30 disconnects (aircondition 3 stops) (408).
If judging that (408) are "Yes" (switch disconnections), meet the stop condition (409) of compressor 4, and return to judgement (401) (410).
Simultaneously, if be "No" (switch connection) in the judgement (408) disconnecting about air-conditioning switch 3, drive aircondition 3, and any one stop condition (411) in the stop condition while determining whether to meet stop condition while giving it the gun, full-throttle driving and the stop condition while guaranteeing to brake negative pressure.
If judging that (411) are "Yes" (conditions at least satisfying condition), determine the stop condition (409) that meets compressor 4, so that compressor 4 stops, and return to judgement (404) (410).
If judging that (411) are "No" (not meeting all conditions), determining the stop condition (412) that does not meet compressor 4, and return to judgement (401) (410), and do not make compressor 4 stop.
Like this, the storage cold (control function 1) of the cold element 13 of storage that car air-conditioner control device 38 acquisition evaporimeters 8 provide, by the storage cold obtaining, determined the stop condition (control function 2 to 4) of the compressor 4 of setting according to transport condition, and determine to meet still not meet fixed stop condition (control function 5), thereby control stopping of compressor 4.
Therefore, car air-conditioner control device 38 can be estimated the storage cold of evaporimeter 8, and according to storage cold, optimizes dwelling period or the dwell time of the compressor 4 of working, thereby make compressor 4 stop the long period.
Car air-conditioner control device 38 can be set in detail according to the storage cold of evaporimeter 8 control that stops of compressor 4, thereby by extending the dwell time of compressor 4, improves fuel consumption.
In addition, because car air-conditioner control device 38 is set the stop condition of compressor 4 according to the transport condition except vehicle 1 (while giving it the gun, during full-throttle driving and while guaranteeing to brake negative pressure), so can both carry out the optimal stopping of compressor 4 under every kind of transport condition controls, and can suppress the power consumption of 4 pairs of explosive motors 2 of drive compression machine, thereby improve maneuverability.Therefore, car air-conditioner control device 38 can be realized cooling performance and maneuverability simultaneously.
In addition, because vehicle 1 is the idling stop vehicle that can make explosive motor 2 stop when meeting specified criteria (stop condition automatically), so when explosive motor 2 stops because meeting specified criteria, can optimize the control that stops to compressor 4.
In this embodiment, as an example, describe in detail compressor 4 stop control and the type of control function, and can be attached to that this is NM for improving the control of maneuverability.In addition, in this embodiment, from air-conditioning switch 30, accel sensor 31, vehicle speed sensor 32, braking B/P EGR Back Pressure Transducer EGR 33 and evaporator temperature sensor 34 input control informations, but also can add or delete the input element of other controls.In addition,, when being identified for judging the threshold value that stops controlling of compressor 4, except storage cold, can also add current vehicle environmental (for example, outside air temperature, indoor air temperature or solar radiation).
Car air-conditioner control device according to the present invention can be applied to be equipped with the vehicle of the aircondition of the drive force compressor that utilizes explosive motor.
The full content that merges by reference the 2013-030182 Japanese Patent Application Publication of submitting on February 19th, 2013 at this, comprises its specification, drawings and the claims.
Claims (3)
1. a car air-conditioner control device, comprising:
Compressor, it is configured to by the drive force that is arranged on the explosive motor in vehicle, with compressed refrigerant;
Store up cold element;
Evaporimeter, it is configured in refrigeration work, and a part of cold air of described cold-producing medium is converted to cold wind, and remaining cold air is stored in the cold element of described storage;
Control module, it is configured to when described compressor stops, and by the cold air being stored in the cold element of described storage, controls the air regime in compartment; And
Storage cold computing unit, it is configured to calculate the amount that is stored in the cold air in the cold element of described storage,
The stop condition that wherein said control module changes according to the storage cold calculating corresponding to described storage cold computing unit to the described compressor of working stop control.
2. car air-conditioner control device according to claim 1, wherein sets described stop condition according to the transport condition of described vehicle.
3. car air-conditioner control device according to claim 1, wherein said vehicle is the idling stop vehicle that can make described explosive motor stop when meeting specified criteria.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013030182A JP6156776B2 (en) | 2013-02-19 | 2013-02-19 | Air conditioning control device for vehicles |
| JP2013-030182 | 2013-02-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103994617A true CN103994617A (en) | 2014-08-20 |
| CN103994617B CN103994617B (en) | 2016-09-28 |
Family
ID=51264005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410054807.3A Expired - Fee Related CN103994617B (en) | 2013-02-19 | 2014-02-18 | Car air-conditioner controls device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6156776B2 (en) |
| CN (1) | CN103994617B (en) |
| DE (1) | DE102014002274A1 (en) |
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| CN107571718A (en) * | 2016-07-04 | 2018-01-12 | 现代自动车株式会社 | Vehicle compressor control device and control method |
| CN107635805A (en) * | 2015-06-12 | 2018-01-26 | 株式会社电装 | Air conditioner for vehicles |
| CN108087131A (en) * | 2017-11-21 | 2018-05-29 | 吉利汽车研究院（宁波）有限公司 | For balancing control method of the compressor to vehicle motor torque influence |
| CN110582421A (en) * | 2017-05-18 | 2019-12-17 | 日产自动车株式会社 | Control method of vehicle air conditioner and vehicle air conditioner |
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| DE102015207514B4 (en) | 2015-04-23 | 2023-12-28 | Storopack Hans Reichenecker Gmbh | Device for cooling a room |
| KR101945843B1 (en) * | 2017-01-20 | 2019-02-11 | 에스피엑스플로우테크놀로지 주식회사 | Air dryer and air dryer system |
| KR102342345B1 (en) * | 2017-04-05 | 2021-12-23 | 현대자동차주식회사 | An air conditioner, a vehicle including the same and a method for controlling thereof |
| CN116330931B (en) * | 2023-05-30 | 2023-08-04 | 江苏炳凯富汽车零部件制造有限公司 | Cold storage device of automobile air conditioner evaporator |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE102014002274A1 (en) | 2014-08-21 |
| JP2014159201A (en) | 2014-09-04 |
| JP6156776B2 (en) | 2017-07-05 |
| CN103994617B (en) | 2016-09-28 |
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