CN108284726B - Air conditioner air duct structure, vehicle and control method - Google Patents
Air conditioner air duct structure, vehicle and control method Download PDFInfo
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- CN108284726B CN108284726B CN201711299070.1A CN201711299070A CN108284726B CN 108284726 B CN108284726 B CN 108284726B CN 201711299070 A CN201711299070 A CN 201711299070A CN 108284726 B CN108284726 B CN 108284726B
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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
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
- B60H1/00564—Details of ducts or cables of air ducts
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Abstract
The invention provides an air conditioner air duct structure, a vehicle and a control method. The air-conditioning air duct structure comprises a fresh air duct cavity and an air supply duct cavity, wherein the fresh air duct cavity can supply air from the outside, the air supply duct cavity can supply air into a room, and the fresh air duct cavity is communicated with the air supply duct cavity; the fresh air channel cavity is communicated with the fresh air channel cavity so as to draw air in the fresh air channel cavity out of the air draft air channel cavity; and/or the air draft air duct cavity can be communicated with the air supply air duct cavity so as to draw the air in the air supply air duct cavity out of the air draft air duct cavity. According to the air-conditioning air duct structure, the vehicle and the control method, the supercooled or overheated air remained in the air duct after the vehicle is parked for a long time can be discharged out of the air duct in advance, so that the air is prevented from directly contacting a user, and the use experience of an air conditioner is improved.
Description
Technical Field
The invention belongs to the technical field of air conditioning, and particularly relates to an air conditioner air duct structure, a vehicle and a control method.
Background
Automobiles have become indispensable transportation means in modern society, and meanwhile, the function and comfort of an automobile air conditioner are more and more important for people.
However, in a high-temperature environment in summer, after the automobile is parked for a long time, the air temperature in the air duct structure of the air conditioner is increased under the influence of the external environment, and when people enter a cab to start the air conditioner to refrigerate, the air firstly blown out by the air conditioner is hot air remained in the air duct; similarly, in the case of a low-temperature environment, the air conditioner blows out residual cold air.
Although the duration of the residual air is not long, the use experience of people on the air conditioner is seriously influenced under the condition that people are more and more exquisite in products, and the comfort of the air conditioner is greatly reduced.
Disclosure of Invention
Therefore, the invention provides an air-conditioning air duct structure, a vehicle and a control method, aiming at the defect that the use experience of an air conditioner is seriously influenced by the supercooled or overheated air remained in an air-conditioning system after the existing vehicle is parked for a long time.
In order to solve the problems, the invention provides an air-conditioning air duct structure, which comprises a fresh air duct cavity and an air supply duct cavity, wherein the fresh air duct cavity can supply air from the outside, the air supply duct cavity can supply air into a room, and the fresh air duct cavity is communicated with the air supply duct cavity; the fresh air channel cavity is communicated with the fresh air channel cavity so as to draw air in the fresh air channel cavity out of the air draft air channel cavity; and/or the air draft air duct cavity can be communicated with the air supply air duct cavity so as to draw the air in the air supply air duct cavity out of the air draft air duct cavity.
Preferably, the air-conditioning air duct device further comprises an air draft blower, wherein the air draft blower is arranged in the air draft air duct cavity and/or a blowing blower is arranged in the fresh air duct cavity.
Preferably, the air conditioner air duct device further comprises an air supply air duct air door and an air draft air duct air door, wherein the air supply air duct air door is arranged at an air inlet of the air supply air duct cavity, the air draft air duct air door is arranged at an air inlet of the air draft air duct cavity, and the air supply air duct air door and the air draft air duct air door can respectively close the air inlets of the air supply air duct cavity and the air draft air duct cavity in a closed state.
Preferably, the air-conditioning air duct device further comprises a temperature sensing device, and the temperature sensing device is arranged in the fresh air duct cavity and/or the air supply duct cavity.
Preferably, the air supply duct cavity is multiple, the air supply duct air door is multiple, and each air supply duct cavity is provided with one air supply duct air door.
Preferably, the air supply duct cavity comprises a first air supply duct cavity capable of supplying air to the upper part, the air supply duct damper comprises a first duct damper, and the first duct damper is arranged at an air inlet of the first air supply duct cavity; or, the air supply device comprises a second air supply air channel cavity which can use air for defrosting, wherein the air supply air channel air door comprises a second air channel air door which is arranged at an air inlet of the second air supply air channel cavity; or, including the third air supply air duct chamber that can send wind to the below, air supply air duct air door includes third air duct air door, third air duct air door is located the air intake in third air supply air duct chamber.
Preferably, the air draft air duct cavity is arranged at the position where the fresh air duct cavity is connected with the air supply air duct cavity.
The invention further provides a vehicle which comprises the air conditioner air duct structure.
The invention also provides a control method, which comprises the air door control device and the air conditioner air duct structure, and the air conditioner air duct structure is used as a bagWhen the ventilation blower, the blowing blower and the ventilation air channel air door are included, the temperature sensing device detects the air temperature in the fresh air channel cavity and/or the air supply channel cavity and detects the air temperature as an actual measurement value TMeasuringSaid measured value TMeasuringThe feedback extremely air door controlling means judges, air door controlling means control convulsions wind channel air door on-off state works as when convulsions wind channel air door is opened, convulsions air-blower synchronous operation works as when convulsions wind channel air door is closed, convulsions air-blower does not operate.
Preferably, when said measured value T isMeasuringIs higher than the critical value T of the air duct in the preset high-temperature environment of the systemHigh temperatureWhen the air door control device is used, the air door of the air draft air channel is controlled to be opened, and the air draft blower synchronously operates; or, when the measured value T isMeasuringLower than the critical value T of the air duct of the system in the preset low-temperature environmentLow temperatureAnd when the air door control device controls the air door of the air draft air channel to be opened, and the air draft blower synchronously operates.
Preferably, the operation time of the air draft blower can be preset, the air draft blower operates within the preset time, the air blowing blower does not operate, the air draft air duct air door is synchronously opened, and when the preset time is reached, the air draft blower stops operating, the air blowing blower operates, and the air draft air duct air door is synchronously closed.
Preferably, the preset time is 5 s.
Preferably, when said T isMeasuringCritical value T between system preset high temperature environment air ductHigh temperatureAnd critical value T of air duct in low temperature environmentLow temperatureWhen the air door of the air draft air channel is in a closed state, the air draft blower does not run, and the air blowing blower runs.
According to the air-conditioning air duct structure provided by the invention, the air draft air duct cavity and the air blower arranged in the air draft air duct cavity are additionally arranged in the existing air-conditioning air duct structure, when the air temperature in the air supply air duct cavity is too cold or too hot, the air blower is started, so that the too cold or too hot air in the air supply air duct cavity is discharged out of the air-conditioning air duct structure through the air outlet of the air draft air duct cavity, at the moment, the too cold or too hot air remained in the air-conditioning air duct structure is prevented from contacting a user through the air supply air duct cavity, and the air-conditioning experience and the comfort of the user are improved.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioning duct structure according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A in FIG. 1;
FIG. 3 is a schematic view illustrating the flow direction of air in a non-air-extracting state of the air conditioning duct structure according to the embodiment of the present invention;
fig. 4 is a schematic view illustrating the flow direction of air in the air-conditioning duct structure in the air draft state according to the embodiment of the present invention.
The reference numerals are represented as:
1. a heat exchanger; 2. a fresh air duct cavity; 3. a second air supply duct cavity; 4. a first air supply duct cavity; 5. a second air duct damper; 6. a first air duct damper; 7. a third air duct damper; 8. an air draft air duct air door; 9. a third air supply duct cavity; 10. a blower; 11. an air exhaust duct cavity; 12. a temperature sensing device; 13. a blower for blowing air; 14. a fresh air inlet.
Detailed Description
With reference to fig. 1 to 4, according to an embodiment of the present invention, an air-conditioning duct structure includes a fresh air duct cavity 2 capable of feeding air from outside and an air supply duct cavity capable of sending air into a room, where the fresh air duct cavity 2 is communicated with the air supply duct cavity; the fresh air channel cavity 2 is communicated with the air exhaust air channel cavity 11, and air in the fresh air channel cavity 2 is exhausted from the air exhaust air channel cavity 11; and/or the air draft air duct cavity 11 can be communicated with the air supply air duct cavity so as to draw out the air in the air supply air duct cavity from the air draft air duct cavity 11. Because be provided with among the air conditioner wind channel structure convulsions wind channel chamber, after the vehicle parks for a long time, the user can carry out the preliminary treatment with remaining the subcooling or the overheated air in the air conditioner wind channel structure before air conditioner refrigeration or heating, discharges remaining subcooling or overheated air in advance outside the air conditioner wind channel structure, and avoided remaining subcooling or overheated air via air supply wind channel chamber direct contact user, improved user's air conditioner experience and travelling comfort.
Preferably, the air-conditioning air duct device further comprises an air draft blower 10, wherein the air draft blower 10 is arranged in the air draft air duct cavity 11 and/or a blowing blower 13 is arranged in the fresh air duct cavity 2.
Preferably, the air-conditioning air duct device further comprises an air supply air duct air door and an air draft air duct air door 8, wherein the air supply air duct air door is arranged at an air inlet of the air supply air duct cavity, the air draft air duct air door 8 is arranged at an air inlet of the air draft air duct cavity 11, and the air supply air duct air door and the air draft air duct air door 8 can respectively close the air inlets of the air supply air duct cavity and the air draft air duct cavity 11. This technical scheme is in set up air supply duct air door, convulsions wind channel air door 8 in the air intake position of air supply duct air door, convulsions wind channel air door 8 respectively, the operation flexibility when making user operation vehicle air conditioner is stronger, simultaneously, also can prevent to exhaust under the operating mode at the convulsions that need not convulsions air-blower 10, the air after the heat transfer is arranged to the vehicle outside via convulsions wind channel chamber, and then reduces the condition of air quantity takes place after the heat transfer of air supply duct chamber air exit.
Preferably, the air-conditioning duct device further includes a temperature sensing device 12, and the temperature sensing device 12 is disposed in the fresh air duct cavity 2 and/or the supply air duct cavity. According to the technical scheme, the temperature sensing device 12 is additionally arranged on the basis of the scheme, and the temperature sensing device can monitor the air temperature in the fresh air duct cavity 2 and/or the air supply duct cavity in real time, namely the temperature remained in the air conditioner duct structure, is favorable for automatic and even intelligent control of the air draft blower 10, and is convenient for accurate control of the air draft function.
Preferably, the air supply duct cavity is a plurality of, the air supply duct air door is a plurality of, every air supply duct cavity sets up an air supply duct air door, and specific number is decided according to actual in service behavior. Specifically, as shown in fig. 2, the air supply duct cavity may be provided with multiple different air supply duct cavities according to functional requirements of a user, and preferably, the air supply duct cavity includes a first air supply duct cavity 4 capable of supplying air to an upper portion, for example, the first air supply duct cavity can be used for realizing an air supply function to an upper area of a body of the user, the air supply duct damper of the first air supply duct cavity includes a first duct damper 6, and the first duct damper 6 is provided at an air inlet of the first air supply duct cavity 4; or, the air supply device comprises a second air supply duct cavity 3 which can use air for defrosting, the air supply duct air door comprises a second air duct air door 5, and the second air duct air door 5 is arranged at an air inlet of the second air supply duct cavity 3; or, including can sending wind to third air supply wind channel chamber 9 of below, if can be used to realize the air supply function to user's health lower part region, air supply wind channel air door includes third wind channel air door 7, third wind channel air door 7 is located the air intake of third air supply wind channel chamber 9.
When the air draft air duct cavity 11 is arranged at the position where the fresh air duct cavity and the air supply air duct cavity are connected, the consumed time is less under the air draft working condition due to the fact that the distance between the fresh air duct cavity and the air supply air duct cavity is small, and the air draft efficiency can be improved.
According to an embodiment of the invention, the vehicle is also provided, and the vehicle comprises the air conditioning duct structure.
According to an embodiment of the present invention, a control method is further provided, which includes the air door control device and the air-conditioning duct structure, when the air-conditioning duct structure includes the air draft blower 10, the air blow blower 13, and the air draft duct air door 8, the temperature sensing device 12 detects the air temperature in the fresh air duct cavity 2 and/or the air supply duct cavity, and the detected air temperature is an actual measurement value TMeasuringSaid measured value TMeasuringThe feedback extremely air door controlling means judges, air door controlling means control convulsions wind channel air door 8 on-off state works as when convulsions wind channel air door 8 is opened, convulsions air-blower 10 synchronous operation works as when convulsions wind channel air door 8 is closed, convulsions air-blower 10 does not operate. Whether the air draft blower 10 of the technical scheme is operated or not and whether the air draft air duct air door 8 is opened or closed, namely whether the air conditioner air duct structure pretreats residual air or not, is finally controlled by the measured value T of the temperature sensing device 12MeasuringAnd the temperature set by a user, the control accuracy and the automation degree of the air conditioning pretreatment exhaust process are improved.
Preferably, when said measured value T isMeasuringIs higher than the critical value T of the air duct in the preset high-temperature environment of the systemHigh temperatureWhen the air door control device is used, the air door 8 of the air draft air channel is controlled to be opened, and the air draft blower 10 synchronously operates; or, when the measured value T isMeasuringLower than the critical value T of the air duct of the system in the preset low-temperature environmentLow temperatureAnd when the air door control device controls the air door 8 of the air draft air channel to be opened, and the air draft blower 10 synchronously runs.
Preferably, the operation time of the air draft blower 10 can be preset, the air draft blower 10 operates within the preset time, the air blowing blower 13 does not operate, the air draft air duct damper 8 is synchronously opened, and when the preset time is reached, the air draft blower 10 stops operating, the air blowing blower 13 operates, and the air draft air duct damper 8 is synchronously closed. This technical scheme the operating time of air blower 10 can predetermine, the length of predetermineeing the time more the vehicle air conditioner wind channel structure the particular case set for can, certainly to general conventional vehicle air conditioner wind channel structure, predetermine the time be 5s can, air blower 13 starts after predetermineeing the time, when having guaranteed the validity of convulsions effect, has stopped air blower 13 is at the energy consumption problem that improper time operation brought.
Preferably, when said T isMeasuringCritical value T between system preset high temperature environment air ductHigh temperatureAnd critical value T of air duct in low temperature environmentLow temperatureWhen the air conditioner is used, the air draft air channel air door 8 is in a closed state, the air draft blower 10 does not run, the air blowing blower 13 runs, the residual air in the air conditioner air channel structure does not need to be emptied at the moment, and the air conditioner can be directly used according to a conventional air conditioner.
Specifically, as shown in fig. 3, an arrow indicates the flow direction of air when the suction blower 10 is not operated, when the user turns on the air conditioning system of the vehicle due to the measured value T in the air-conditioning duct structureMeasuringBetween THigh temperatureAnd TLow temperatureAt the moment, the air door control device does not act, the air draft blower 10 does not operate, and the air draft fan does not operateThe air duct 8 is in a closed position, and at the moment, external air enters the fresh air duct cavity 2 through the fresh air inlet 14 under the action of the air blowing blower 13, then flows through the heat exchanger 1 to enter the front of the air supply duct air door, specifically, when the air duct air door 6, the second air duct air door 5 and the third air duct air door 7 are selected to be opened, air directly enters the first air supply duct cavity 4, the second air supply duct cavity 3 and the third air supply duct cavity 9 and flows out from corresponding air outlets, so that the air conditioning function of the upper area of the body of a user, a component to be defrosted and the lower area of the body of the user is realized.
Similarly, as shown in fig. 4, an arrow indicates a flow direction of air when the suction blower 10 is operated, particularly, when a user turns on the air conditioning system of the vehicle due to T in the air conditioning duct structureMeasuringHigher than THigh temperatureOr below TLow temperatureAt this time, the air door control device controls the air draft air duct air door 8 to be opened, the air draft blower 10 synchronously operates, air remained in the air conditioning air duct structure is forced to enter the air draft air duct cavity 11 under the action of the air draft blower 10 and then to be discharged outside the vehicle, the air draft blower 13 does not operate at this time, the residual air in the air conditioning air duct structure is discharged after the air draft blower 10 operates for a period of time, contact between residual low temperature or over-heated air and a user is prevented, the operation time of the air draft blower 10 can be set to be 5s for a common vehicle, and of course, the discharge time is different according to different actual conditions of the vehicle; after the preset time, the air draft blower 10 stops running, the air draft air duct air door 8 is synchronously closed, and the air blowing blower 13 runs and is controlled according to the normal refrigerating and heating process.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (12)
1. An air-conditioning air duct structure is characterized by comprising a fresh air duct cavity (2) capable of feeding air from the outside and an air supply duct cavity capable of sending the air into a room, wherein the fresh air duct cavity (2) is communicated with the air supply duct cavity; the fresh air channel cavity (2) is communicated with the air exhaust air channel cavity (11), so that air in the fresh air channel cavity (2) is exhausted from the air exhaust air channel cavity (11); and/or the air draft air duct cavity (11) can be communicated with the air supply air duct cavity so as to draw air in the air supply air duct cavity out of the air draft air duct cavity (11); the temperature sensing device (12) is arranged in the fresh air duct cavity (2) and/or the air supply duct cavity, the temperature sensing device (12) is used for detecting the air temperature in the fresh air duct cavity (2) and/or the air supply duct cavity and is a measured value TMeasuring(ii) a The heat exchanger (1) is positioned in the fresh air duct cavity (2) and works as the measured value TMeasuringIs higher than the critical value T of the air duct in the preset high-temperature environment of the systemHigh temperatureOr is lower than the preset low-temperature environment air duct critical value T of the systemLow temperatureWhen the air is exhausted, the air in the air supply duct cavity and the air outside through the heat exchanger (1) are exhausted from the air exhaust duct cavity (2) together; when said T isMeasuringCritical value T between system preset high temperature environment air ductHigh temperatureAnd critical value T of air duct in low temperature environmentLow temperatureWhen the fresh air channel cavity is used, the outside air enters the air supply channel cavity through the heat exchanger (1), and the air inlet of the fresh air channel cavity (2) and the air outlet of the air exhaust channel cavity (11) are not in the same opening.
2. The air-conditioning air duct structure according to claim 1, characterized by further comprising an air draft blower (10), wherein the air draft blower (10) is arranged in the air draft air duct cavity (11) and/or the fresh air duct cavity (2) and is provided with a blowing blower (13).
3. The air conditioner air duct structure according to claim 2, further comprising an air supply air duct air door and an air draft air duct air door (8), wherein the air supply air duct air door is arranged at an air inlet of the air supply air duct cavity, the air draft air duct air door (8) is arranged at an air inlet of the air draft air duct cavity (11), and the air inlet of the air supply air duct cavity and the air draft air duct cavity (11) can be respectively sealed by the air supply air duct air door and the air draft air duct air door (8) in a closed state.
4. An air conditioner air duct structure according to claim 1, wherein the number of the supply air duct chambers is plural, the number of the supply air duct dampers is plural, and one supply air duct damper is provided for each of the supply air duct chambers.
5. The air-conditioning air duct structure according to claim 4, wherein the air supply air duct cavity comprises a first air supply air duct cavity (4) capable of supplying air to the upper side, the air supply air duct damper comprises a first air duct damper (6), and the first air duct damper (6) is arranged at an air inlet of the first air supply air duct cavity (4); or the defrosting device comprises a second air supply air channel cavity (3) which can use air for defrosting, wherein the air supply air channel air door comprises a second air channel air door (5), and the second air channel air door (5) is arranged at an air inlet of the second air supply air channel cavity (3); or, including third air supply wind channel chamber (9) that can send wind to the below, air supply wind channel air door includes third wind channel air door (7), third wind channel air door (7) are located the air intake of third air supply wind channel chamber (9).
6. The air-conditioning duct structure according to any one of claims 1 to 5, characterized in that the air draft duct cavity (11) is arranged at a position where the fresh air duct cavity and the supply air duct cavity are connected.
7. A vehicle comprising an air conditioning duct structure, characterized in that the air conditioning duct structure is as claimed in any one of claims 1 to 6.
8. A control method is characterized by comprising an air door control device and the air-conditioning air duct structure as claimed in claim 1, wherein when the air-conditioning air duct structure comprises an air draft blower (10), an air draft blower (13) and an air draft air duct air door (8), the temperature sensing device (12) detects the temperature of air in the fresh air duct cavity (2) and/or the air supply air duct cavity, and the temperature is an actual measurement value TMeasuringSaid measured value TMeasuringThe air door control device controls the opening and closing states of the air draft air channel air door (8), when the air draft air channel air door (8) is opened, the air draft blower (10) runs synchronously, and when the air draft air channel air door (8) is closed, the air draft blower (10) does not run.
9. The control method according to claim 8, wherein when the measured value T is greater than the predetermined valueMeasuringIs higher than the critical value T of the air duct in the preset high-temperature environment of the systemHigh temperatureWhen the air door control device is used, the air door (8) of the air draft air channel is controlled to be opened, and the air draft blower (10) synchronously operates; or, when the measured value T isMeasuringLower than the critical value T of the air duct of the system in the preset low-temperature environmentLow temperatureAnd when the air door control device is used, the air door (8) of the air draft air channel is controlled to be opened, and the air draft blower (10) runs synchronously.
10. The control method according to claim 9, characterized in that the operation time of the air draft fan (10) can be preset, the air draft fan (10) is operated, the air draft fan (13) is not operated, the air draft duct damper (8) is synchronously opened within the preset time, and when the preset time is reached, the air draft fan (10) is stopped, the air draft fan (13) is operated, and the air draft duct damper (8) is synchronously closed.
11. The control method according to claim 10, characterized in that the preset time is 5 s.
12. Root of herbaceous plantThe control method according to claim 8, wherein when T is saidMeasuringCritical value T between system preset high temperature environment air ductHigh temperatureAnd critical value T of air duct in low temperature environmentLow temperatureWhen the air door (8) of the air draft air channel is in a closed state, the air draft blower (10) does not run, and the air blowing blower (13) runs.
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| CN201711299070.1A CN108284726B (en) | 2017-12-08 | 2017-12-08 | Air conditioner air duct structure, vehicle and control method |
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| CN201711299070.1A CN108284726B (en) | 2017-12-08 | 2017-12-08 | Air conditioner air duct structure, vehicle and control method |
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| CN108284726B true CN108284726B (en) | 2020-07-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4525431B2 (en) * | 2005-03-02 | 2010-08-18 | 日産自動車株式会社 | Ventilator for vehicles |
| DE102007026611B4 (en) * | 2007-06-08 | 2014-05-08 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Blower for a motor vehicle |
| GB2466765A (en) * | 2008-10-27 | 2010-07-07 | Agco Gmbh | Tractor HVAC system ducting and air filter arrangement |
| US8425284B2 (en) * | 2009-03-25 | 2013-04-23 | Denso International America, Inc. | Heating ventilation and air conditioning case with honeycomb |
| CN101898498B (en) * | 2010-07-14 | 2011-12-07 | 西华大学 | Evaporation type automobile parking ventilating and cooling system |
| US9933090B2 (en) * | 2014-08-05 | 2018-04-03 | Air International, Inc. | Pipe retainer |
| CN104290565B (en) * | 2014-10-20 | 2016-08-24 | 上海加冷松芝汽车空调股份有限公司 | Back-positioned type air conditioner for electric motor coach |
| CN105705351A (en) * | 2016-01-28 | 2016-06-22 | 吴鹏 | Vehicle automatic ventilation air-conditioning system |
| CN106956562B (en) * | 2017-02-08 | 2020-08-11 | 邓承纲 | Vehicle-mounted solar intelligent ventilation system |
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