CN102729771B - Automobile heating system and control method thereof - Google Patents
Automobile heating system and control method thereof Download PDFInfo
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- CN102729771B CN102729771B CN201110090528.9A CN201110090528A CN102729771B CN 102729771 B CN102729771 B CN 102729771B CN 201110090528 A CN201110090528 A CN 201110090528A CN 102729771 B CN102729771 B CN 102729771B
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Abstract
The invention provides a kind of automobile heating system, comprising: HVAC assembly, described HVAC assembly has blowing engine and ventilation terminal, auxiliary warming, described auxiliary warming is connected with described ventilation terminal, controller, described controller comprises HVAC control module and the auxiliary warming control module be connected with described HVAC control module by relay, the open and close that described HVAC control module is connected for controlling described HVAC assembly with described HVAC assembly, the opening and closing that described auxiliary warming control module is connected for controlling described auxiliary warming with described auxiliary warming, the key gear of wherein said HVAC control module residing for automobile key, engine condition, the blowing engine gear of HVAC assembly and the operational mode of described HVAC assembly are allowed by auxiliary warming control module described in described Control or forbid that described auxiliary warming is opened.
Description
Technical field
The present invention relates to a kind of automobile heating system and control method thereof.
Background technology
Warming device heat in traditional vehicular air conditioner system (especially heavy duty truck a/c system) is provided by engine cooling water, when parking needs heating, driving engine power consumption is large, noise is large, economy and traveling comfort poor.Under extreme severe cold condition, the engine coolant temperature that automobile adopts is lower, cannot provide the heat needed for warm air system, and defrosting, heating effect is all undesirable.
For this reason, in prior art, there is auxiliary warming, see EP0331922B1 and US5,855,319.But above-mentioned auxiliary warming of the prior art is independent of the HVAC system of vehicle, and number of elements is many, structure and control complexity, manufacturing cost is high.
Summary of the invention
The present invention is intended at least one of solve the problems of the technologies described above.For this reason, one object of the present invention is to propose a kind of automobile heating system, described automobile heating system heating capacity is strong, save oil consumption, noise is low, structure and control simple.
Another object of the present invention is the control method proposing a kind of above-mentioned automobile heating system.
The automobile heating system of embodiment according to a first aspect of the present invention comprises: HVAC assembly, and described HVAC assembly has blowing engine and ventilation terminal, auxiliary warming, described auxiliary warming is connected with described ventilation terminal, controller, described controller comprises HVAC control module and the auxiliary warming control module be connected with described HVAC control module by relay, the open and close that described HVAC control module is connected for controlling described HVAC assembly with described HVAC assembly, the opening and closing that described auxiliary warming control module is connected for controlling described auxiliary warming with described auxiliary warming, the key gear of wherein said HVAC control module residing for automobile key, engine condition, the blowing engine gear of HVAC assembly and the operational mode of described HVAC assembly are allowed by auxiliary warming control module described in described Control or forbid that described auxiliary warming is opened.
According to the automobile heating system of the embodiment of the present invention, the HVAC assembly of auxiliary warming and automobile is organically integrated together, auxiliary warming can be operated by HVAC control module, such as can allow or forbid the unlatching of auxiliary warming according to different condition HVAC control modules, HVAC assembly and auxiliary warming organically combine thus, reduce number of elements, structure and control are simply, and more energy-conservation, noise is lower, improves the traveling comfort of driving compartment.
In addition, automobile heating system according to the above embodiment of the present invention can also have following additional technical characteristic:
Automobile heating system according to an embodiment of the invention, described auxiliary warming comprises: auxiliary fuel temperature booster, described auxiliary fuel temperature booster have ventilation inlet, air outlet, for providing the admission port of combustion air to described auxiliary fuel temperature booster, the smoke exhaust pipe that discharges the waste gas that the burning of described auxiliary fuel temperature booster produces and the transport pipe be connected with automotive oil tank for providing fuel to described auxiliary fuel temperature booster; And auxiliary air inlet air channel, described auxiliary air inlet air channel and automobile cab are connected with described ventilation inlet and heat for the air of vehicle drive indoor being transported to described auxiliary fuel temperature booster; With auxiliary exhaust air flue, described auxiliary exhaust air flue and described air outlet are connected with described ventilation terminal and are transported to described ventilation terminal for the air after being heated by described auxiliary fuel temperature booster.
Be connected by the ventilation terminal of described auxiliary exhaust air flue with described HVAC assembly, described auxiliary warming is made to carry out cloth wind by the original ventilation terminal of described HVAC assembly, without the need to arranging independent ventilation terminal for auxiliary warming, simplifying the structure, reducing cost.
In one embodiment of the invention, the outlet of described smoke exhaust pipe is away from described admission port.Can prevent waste gas from again entering temperature booster assembly thus and cause combustion air Quality Down, improve the sufficiency of burning, reduce energy consumption.
In one embodiment of the invention, described transport pipe is provided with fuel transfer pump and the air inlet of described auxiliary fuel temperature booster is provided with accessory fan.Thus, described fuel transfer pump is convenient to the fuel delivery of automobile to burn to described auxiliary warming as fuel oil, cold air in operator's compartment can be pumped to described auxiliary warming by accessory fan and carry out heat temperature raising, and utilize the ventilation terminal of described HVAC assembly to be sent back in operator's compartment by the air after heating.
In one embodiment of the invention, described auxiliary fuel temperature booster has air inlet and is provided with temperature sensor, and described temperature sensor is connected with described auxiliary warming control module so that described auxiliary warming control module controls the opening and closing of described auxiliary warming according to the temperature signal that described temperature sensor detects.Like this, the temperature in the described auxiliary warming control module operator's compartment that can record according to described temperature sensor and predetermined temperature comparative result control the opening and closing of described auxiliary warming.
In one embodiment of the invention, described auxiliary fuel temperature booster is provided with the overheat sensor of the temperature of the heats for detecting described auxiliary fuel temperature booster, and described overheat sensor is connected with described auxiliary warming control module so that described auxiliary warming control module controls the opening and closing of described auxiliary warming according to the temperature signal that described overheat sensor detects.Like this, the temperature of the heats of the described auxiliary fuel temperature booster that described auxiliary warming control module can record according to described overheat sensor and predetermined temperature comparative result control the opening and closing of described auxiliary warming, damage because of overheated to avoid the heats of described auxiliary fuel temperature booster.
In one embodiment of the invention, described auxiliary fuel temperature booster is provided with the ignition detector for detecting temperature booster fired state, and described ignition detector is connected with described auxiliary warming control module so that the opening and closing of auxiliary warming described in the signal control that detects according to described ignition detector of described auxiliary warming control module.Like this, whether the described auxiliary fuel temperature booster that described auxiliary warming control module can record according to described ignition detector burns and controls the opening and closing of described auxiliary warming.
The control method of automobile heating system, comprises the steps: according to an embodiment of the invention
Detect the key gear residing for automobile key, if described automobile key is in OFF or START shelves, by auxiliary warming control module described in described Control, described HVAC control module forbids that described auxiliary warming is opened;
If when described automobile key is in ACC shelves, described HVAC control module allows described auxiliary warming to open by auxiliary warming control module described in described Control;
If described automobile key is in ON shelves, then judge the operational mode of described HVAC assembly further, if described HVAC assembly is in refrigeration mode, then by auxiliary warming control module described in described Control, described HVAC control module forbids that described auxiliary warming is opened;
If described HVAC assembly is not in refrigeration mode, then judge the gear residing for described blowing engine further, if described blowing engine is in OFF shelves or 1 grade, described HVAC control module allows described auxiliary warming to open by auxiliary warming control module described in described Control, if described blowing engine is not in OFF shelves and 1 grade, then by auxiliary warming control module described in described Control, described HVAC control module forbids that described auxiliary warming is opened.
In one embodiment of the invention, described control method also comprises at least one parameter in the fired state detecting the temperature of described auxiliary warming air inlet, the heater core temperature of described auxiliary warming and described auxiliary warming, and described auxiliary warming control module is auxiliary warming according at least one state modulator described.Thus, more save energy consumption, reduce costs.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of automobile heating system according to an embodiment of the invention;
Fig. 2 is the schematic diagram of the auxiliary warming of automobile heating system according to an embodiment of the invention;
Fig. 3 is the schematic diagram in the air channel of automobile heating system according to an embodiment of the invention;
Fig. 4 is the schematic diagram of the circuit of automobile heating system according to an embodiment of the invention; With
Fig. 5 is the schematic flow sheet of the control method of automobile heating system according to an embodiment of the invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, connect integratedly, also can be removably connect; Can be mechanical connection or electrical connection, also can be the connection of two element internals; Can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Automobile heating system according to the embodiment of the present invention is described below with reference to accompanying drawings.
It should be noted that at this, according to the automobile heating system of the embodiment of the present invention, go for the heating in passenger car, also go for the heating in cab of heavy truck.Be that example is described for heavy duty truck below.
As Figure 1-4, automobile heating system comprises according to an embodiment of the invention: HVAC assembly 100, HVAC control module 200, auxiliary warming 300, with auxiliary warming control module 400, wherein said controller is made up of HVAC control module 200 and auxiliary warming control module 400.
HVAC assembly has blowing engine (not shown) and ventilation terminal 102.Each position in the operator's compartment that described blowing engine is used for the warm braw of HVAC assembly to be delivered to by ventilation terminal 102 truck, this is all known for those of ordinary skill in the art, is not described in detail here.
HVAC control module 200 is for the open and close of control HVAC assembly 100.Auxiliary warming 300 is connected with the ventilation terminal 102 of HVAC assembly 100.Auxiliary warming control module 400 is connected with auxiliary warming 300 and is connected with HVAC control module 200 by relay 500.
The blowing engine gear of the key gear of HVAC control module 200 residing for automobile key, engine condition, HVAC assembly 100 and the operational mode of HVAC assembly 100 control the open and close of auxiliary warming 300 by auxiliary warming control module 400 and relay 500.
According to the automobile heating system of the embodiment of the present invention, auxiliary warming 300 is organically integrated together with the HVAC assembly 100 of automobile, auxiliary warming 300 can be operated by HVAC control module 200, such as control mould according to different condition HVAC, 200 unlatchings that can allow or forbid auxiliary warming 300, HVAC assembly 100 and auxiliary warming 300 organically combine thus, reduce number of elements, structure and control are simply, and it is more energy-conservation, noise is lower, improves the traveling comfort of driving compartment.
As shown in Figure 2, in specific embodiments more of the present invention, auxiliary warming 300 comprises: auxiliary fuel temperature booster 301, auxiliary air inlet air channel 307, and auxiliary exhaust air flue 308.
Auxiliary fuel temperature booster 301 have ventilation inlet 302, air outlet 303, for providing the admission port 304 of combustion air to auxiliary fuel temperature booster 301, smoke exhaust pipe 305 that discharge auxiliary fuel temperature booster 301 burns the waste gas produced and transport pipe 306 from fuel to auxiliary fuel temperature booster 301 that be connected with automotive oil tank for providing.
Auxiliary air inlet air channel 307 and automobile cab are connected with ventilation inlet 302 and heat for the air of vehicle drive indoor is transported to auxiliary fuel temperature booster 301.
Auxiliary exhaust air flue 308 and air outlet 303 are connected with ventilation terminal 102 and are transported to ventilation terminal 102 for the air after being heated by auxiliary fuel temperature booster 301.
Like this, being connected with the ventilation terminal 102 of HVAC assembly 100 by auxiliary exhaust air flue 308, making auxiliary warming 300 carry out cloth wind, without the need to arranging independent ventilation terminal for auxiliary warming by the original ventilation terminal 102 of HVAC assembly 100, simplify the structure, reduce cost.
In one particular embodiment of the present invention, the outlet of the smoke exhaust pipe 305 of auxiliary fuel temperature booster 301 is away from its admission port 304.Can prevent waste gas from again entering auxiliary warming 300 thus and cause combustion air Quality Down, improve the sufficiency of burning, reduce energy consumption.
Advantageously, transport pipe 306 is provided with fuel transfer pump 3060, for carrying fuel oil to provide power for auxiliary fuel temperature booster 301.Be more convenient for the fuel delivery of automobile thus to auxiliary fuel temperature booster 301.
According to examples more of the present invention, ventilation inlet 302 place of auxiliary fuel temperature booster 301 is provided with accessory fan (not shown), and the auxiliary outlet of exhaust air flue 308 is connected with the ventilation terminal 102 of HVAC assembly 100, as shown in Figures 2 and 3.Thus, better the cold air in operator's compartment can be pumped to described auxiliary warming 300 by accessory fan and carry out heat temperature raising, and utilize the ventilation terminal 102 of HVAC assembly 100 to be sent back in operator's compartment by the air after heating.
In some embodiments of the invention, auxiliary fuel temperature booster 301 is provided with temperature sensor 401 at ventilation inlet 302 place, and temperature sensor 401 is connected with auxiliary warming control module 400 so that auxiliary warming control module 400 controls the opening and closing of auxiliary warming 300 according to the temperature signal that temperature sensor 401 detects.Like this, the air themperature in the operator's compartment that auxiliary warming control module 400 can record according to temperature sensor 401 and the comparative result of predetermined temperature control the opening and closing of auxiliary warming 300, to improve the traveling comfort of operator's compartment, reduce energy consumption.
According to an example of the present invention, auxiliary fuel temperature booster 301 is provided with the overheat sensor 402 of the temperature of the heats for detecting auxiliary fuel temperature booster 301, and overheat sensor 402 is connected with auxiliary warming control module 400 so that auxiliary warming control module 400 controls the opening and closing of auxiliary warming 300 according to the temperature signal that overheat sensor 402 detects.Like this, the temperature of the heats (not shown) of the auxiliary fuel temperature booster 301 that auxiliary warming control module 400 can record according to overheat sensor 402 and predetermined temperature comparative result control the opening and closing of auxiliary warming 300, damage because of overheated to avoid the heats of auxiliary fuel temperature booster 301.
In one embodiment of the invention, auxiliary fuel temperature booster 301 is provided with the ignition detector 403 for detecting temperature booster fired state (namely whether temperature booster heats), and ignition detector 403 is connected with auxiliary warming control module 400 so that the opening and closing of signal control auxiliary warming 300 that detect according to ignition detector 403 of auxiliary warming control module 400.Like this, the state whether the auxiliary fuel temperature booster 301 that auxiliary warming control module 400 can record according to ignition detector 403 burns controls the opening and closing of auxiliary warming 300.
As shown in Figure 4, according to a concrete example of the present invention, described relay 500 is normally closed relay.Under certain condition, HVAC control module 200 control relay 500 disconnects forbidding that auxiliary warming 300 is opened.
Be understandable that, HVAC control module 200 and auxiliary warming control module 400 can be integrated in a controller, alternatively, HVAC control module 200 and auxiliary warming control module 400 can be independent of one another, and such as auxiliary warming control module 400 can be integrated in auxiliary warming 300 as its part.
The control method for controlling automobile heating system as above according to the embodiment of the present invention is described below.
As shown in Figure 5, the control method of this automobile heating system is controlled according to an embodiment of the invention.
First, detect the key gear residing for automobile key, if described automobile key is in OFF or START shelves, HVAC control module 200 controls auxiliary warming control module 400 by relay 500 and forbids that auxiliary warming 300 is opened.
If when described automobile key is in ACC shelves, HVAC control module 200 controls auxiliary warming control module 400 by relay 500 and allows auxiliary warming 300 to open.
If described automobile key is in ON shelves, then judge the operational mode of HVAC assembly 100 further, if HVAC assembly 100 is in refrigeration mode, then HVAC control module 200 controls auxiliary warming control module 400 by relay 500 and forbids that auxiliary warming 300 is opened.
If HVAC assembly 100 is not in refrigeration mode, then judge the gear residing for described blowing engine further, if described blowing engine is in OFF shelves or 1 grade, HVAC control module 200 controls auxiliary warming control module 400 by relay 500 and allows auxiliary warming 300 to open.If described blowing engine is not in OFF shelves and 1 grade, then HVAC control module 200 controls auxiliary warming control module 400 by relay 500 and forbids that auxiliary warming 300 is opened.
In one embodiment of the invention, described control method also comprises at least one parameter in temperature, the heater core (not shown) temperature of auxiliary warming 300 and the fired state of auxiliary warming 300 detecting auxiliary warming 300 ventilation inlet 302 place, and auxiliary warming control module 400 is according at least one state modulator auxiliary warming 300 described.Thus, more save energy consumption, improve safety in utilization, reduce costs.
In other words, open even if HVAC control module 200 allows auxiliary warming control module 400 to control auxiliary warming 300, auxiliary warming control module 400 also will determine whether open auxiliary warming 300 according to chaufeur to the operation of auxiliary warming 300 and at least one parameter above-mentioned.Such as, only have chaufeur to press the start button of auxiliary warming 300 unlatching, auxiliary warming 300 just may be opened, and the gear that chaufeur can select auxiliary warming 300 to open as required.When the air themperature in operator's compartment exceedes predetermined temperature, or the heats temperature of auxiliary warming 300 is higher than preset temperature, or when auxiliary warming 300 is not lighted a fire, auxiliary warming control module 400 also forbids that auxiliary warming 300 starts.
The working process of automobile heating system according to an embodiment of the invention is simply described below:
Auxiliary warming 300 can supplementing jointly to driving indoor heating separately or as HVAC assembly 100.
Whether HVAC control module 200 allows auxiliary warming control module 400 to open auxiliary warming 300 according to certain condition judgment.
Specifically, be in OFF or START shelves when HVAC control module 200 detects automobile key, then HVAC control module 200 controls auxiliary warming control module 400 and forbids that auxiliary warming 300 is opened; When HVAC control module 200 detect automobile key be in ACC shelves time, then HVAC control module 200 controls auxiliary warming control module 400 and allows auxiliary warming 300 to open.
When HVAC control module 200 automobile key is in ON shelves, then needs to detect HVAC assembly 100 further and whether be in refrigeration mode; If HVAC assembly 100 is in refrigeration mode, then HVAC control module 200 controls auxiliary warming control module 400 and forbids that auxiliary warming 300 is opened.If HVAC assembly 100 is not in refrigeration mode, then need the gear detected further again residing for the blowing engine of HVAC assembly 100, when described blowing engine is in OFF shelves and 1 grade, then HVAC control module 200 controls auxiliary warming control module 400 and allows auxiliary warming 300 to open; When described blowing engine is in 2-4 arbitrary grade, then HVAC control module 200 controls auxiliary warming control module 400 and forbids that auxiliary warming 300 is opened.
HVAC control module 200 control auxiliary warming control module 400 allow auxiliary warming 300 to open when, when temperature sensor 401 detects that temperature in operator's compartment is higher than predetermined value, then auxiliary warming control module 400 closes auxiliary warming 300; When overheat sensor 402 detects the temperature of the heats of fule heater 301 higher than predetermined value, then auxiliary warming control module 400 closes auxiliary warming 300; When ignition detector 403 detects that fule heater is in fire extinguishing state, then auxiliary warming control module 400 closes auxiliary warming 300.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (8)
1. an automobile heating system, is characterized in that, comprising:
HVAC assembly, described HVAC assembly has blowing engine and ventilation terminal;
Auxiliary warming, described auxiliary warming is connected with described ventilation terminal;
Controller, described controller comprises HVAC control module and the auxiliary warming control module be connected with described HVAC control module by relay, the open and close that described HVAC control module is connected for controlling described HVAC assembly with described HVAC assembly, the opening and closing that described auxiliary warming control module is connected for controlling described auxiliary warming with described auxiliary warming
The blowing engine gear of the key gear of wherein said HVAC control module residing for automobile key, engine condition, HVAC assembly and the operational mode of described HVAC assembly are allowed by auxiliary warming control module described in described Control or forbid that described auxiliary warming is opened; Described auxiliary warming comprises:
Auxiliary fuel temperature booster, described auxiliary fuel temperature booster have ventilation inlet, air outlet, for providing the admission port of combustion air to described auxiliary fuel temperature booster, the smoke exhaust pipe that discharges the waste gas that the burning of described auxiliary fuel temperature booster produces and the transport pipe be connected with automotive oil tank for providing fuel to described auxiliary fuel temperature booster; And
Auxiliary air inlet air channel, described auxiliary air inlet air channel and automobile cab are connected with described ventilation inlet and heat for the air of vehicle drive indoor being transported to described auxiliary fuel temperature booster; With
Auxiliary exhaust air flue, described auxiliary exhaust air flue and described air outlet are connected with described ventilation terminal and are transported to described ventilation terminal for the air after being heated by described auxiliary fuel temperature booster;
The outlet of described smoke exhaust pipe is away from described admission port; Wherein
Detect the key gear residing for automobile key, if described automobile key is in OFF or START shelves, by auxiliary warming control module described in described Control, described HVAC control module forbids that described auxiliary warming is opened;
If when described automobile key is in ACC shelves, described HVAC control module allows described auxiliary warming to open by auxiliary warming control module described in described Control;
If described automobile key is in ON shelves, then judge the operational mode of described HVAC assembly further, if described HVAC assembly is in refrigeration mode, then by auxiliary warming control module described in described Control, described HVAC control module forbids that described auxiliary warming is opened;
If described HVAC assembly is not in refrigeration mode, then judge the gear residing for described blowing engine further, if described blowing engine is in OFF shelves or 1 grade, described HVAC control module allows described auxiliary warming to open by auxiliary warming control module described in described Control, if described blowing engine is not in OFF shelves and 1 grade, then by auxiliary warming control module described in described Control, described HVAC control module forbids that described auxiliary warming is opened.
2. automobile heating system as claimed in claim 1, it is characterized in that, described transport pipe is provided with fuel transfer pump and the air inlet of described auxiliary fuel temperature booster is provided with accessory fan.
3. automobile heating system as claimed in claim 1, it is characterized in that, described auxiliary fuel temperature booster has air inlet and is provided with temperature sensor, and described temperature sensor is connected with described auxiliary warming control module so that described auxiliary warming control module controls the opening and closing of described auxiliary warming according to the temperature signal that described temperature sensor detects.
4. automobile heating system as claimed in claim 1, it is characterized in that, described auxiliary fuel temperature booster is provided with the overheat sensor of the temperature of the heats for detecting described auxiliary fuel temperature booster, and described overheat sensor is connected with described auxiliary warming control module so that described auxiliary warming control module controls the opening and closing of described auxiliary warming according to the temperature signal that described overheat sensor detects.
5. automobile heating system as claimed in claim 1, it is characterized in that, described auxiliary fuel temperature booster is provided with the ignition detector for detecting temperature booster fired state, and described ignition detector is connected with described auxiliary warming control module so that the opening and closing of auxiliary warming described in the signal control that detects according to described ignition detector of described auxiliary warming control module.
6. automobile heating system as claimed in claim 1, it is characterized in that, described relay is normally closed relay.
7. a control method for the automobile heating system as described in any one of claim 1-6, is characterized in that:
Detect the key gear residing for automobile key, if described automobile key is in OFF or START shelves, by auxiliary warming control module described in described Control, described HVAC control module forbids that described auxiliary warming is opened;
If when described automobile key is in ACC shelves, described HVAC control module allows described auxiliary warming to open by auxiliary warming control module described in described Control;
If described automobile key is in ON shelves, then judge the operational mode of described HVAC assembly further, if described HVAC assembly is in refrigeration mode, then by auxiliary warming control module described in described Control, described HVAC control module forbids that described auxiliary warming is opened;
If described HVAC assembly is not in refrigeration mode, then judge the gear residing for described blowing engine further, if described blowing engine is in OFF shelves or 1 grade, described HVAC control module allows described auxiliary warming to open by auxiliary warming control module described in described Control, if described blowing engine is not in OFF shelves and 1 grade, then by auxiliary warming control module described in described Control, described HVAC control module forbids that described auxiliary warming is opened.
8. the control method of automobile heating system according to claim 7, it is characterized in that: also comprise at least one parameter in the fired state detecting the temperature of described auxiliary warming air inlet, the heater core temperature of described auxiliary warming and described auxiliary warming, described auxiliary warming control module is auxiliary warming according at least one state modulator described.
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| CN201110090528.9A CN102729771B (en) | 2011-04-12 | 2011-04-12 | Automobile heating system and control method thereof |
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| CN201110090528.9A CN102729771B (en) | 2011-04-12 | 2011-04-12 | Automobile heating system and control method thereof |
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| CN102729771A (en) | 2012-10-17 |
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