CN102490571B - Automobile air conditioner and layout method thereof - Google Patents
Automobile air conditioner and layout method thereof Download PDFInfo
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- CN102490571B CN102490571B CN201110422218.2A CN201110422218A CN102490571B CN 102490571 B CN102490571 B CN 102490571B CN 201110422218 A CN201110422218 A CN 201110422218A CN 102490571 B CN102490571 B CN 102490571B
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- automobiles
- air conditioning
- electric heater
- heater
- air
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Abstract
The invention relates to a layout method of an automobile air conditioner, in particular to a layout method of an electric heater and a hot air core in the automobile air conditioner. The invention further relates to the automobile air conditioner manufactured according to the layout method thereof, and particularly relates to an automobile air conditioner in the field of new energy resources. The layout method of the automobile air conditioner includes layout of the electric heater and the hot air core, and is characterized in that both the electric heater and the hot air core are arranged in a main airflow area in an air conditioner box and are perpendicular to an airflow direction, sizes of the hot air core and the electric heater meet the formula: d2/d2>=2/3, wherein d1 is the height of the cross section of the hot air core, and d2 is the height of the cross section of the electric heater. The air conditioner is manufactured according to the layout method. Technical problems that heat exchange efficiency of an electric heater and a hot air core of the prior art is low, and air volume loss of an air conditioner is high due to air pressure reduction are solved.
Description
Technical field
The present invention relates to a kind of method for arranging of air-conditioning inner structure, particularly a kind of method for arranging of air conditioning for automobiles, is specifically related to electric heater and the heater cores method for arranging in air conditioning for automobiles.The invention still further relates to the air conditioning for automobiles of manufacturing according to the method for arranging of this air conditioning for automobiles.
Background technology
Electric heater (PTC) and heater cores (water-warming heater) are two kinds of heating components and parts that are applied in air conditioning for automobiles.Traditional air conditioning for automobiles only comprises heater cores conventionally.Heater cores is a kind of heat exchanger of aluminum, and the heat that automotive engine is produced, is medium by water-ethylene glycol solution, passes to the air in crew module.Its shortcoming is, when automobile just starts, driving engine, still in normal temperature state, need to wait until that engine temperature rises to a certain degree, just has sufficient heat, passes to the air in crew module, and air conditioning exhausting temperature is raise.In the winter of severe cold, this section waits for that the process heating up is long, if when chance vehicle window has the coagulums such as ice, frost, also cannot remove fast.
Along with living standard improves and development in science and technology, increasing air conditioning for automobiles, has increased electrical heating elements PTC, in air-conditioning, lays PTC and heater cores simultaneously.During vehicle start, start PTC, utilize power supply in car, the ceramic plate heating in PTC, was rapidly heated in the short time, thereby guaranteed that the air that flows through PTC also can obtain abundant heat, significantly heats up.When automobile enters after smooth operation, then be switched to heater cores heating, close PTC, thereby avoid in car the too high and transition of power load to consume the energy.
PTC and heater cores from the appearance, are pane shape, but different according to the performance requriements of each air-conditioning, its oad can be distinguished to some extent.For the air-conditioning that uses PTC and heater cores simultaneously, both relative positions in air conditioning box body of how arranging, make air-flow evenly pass through the two, adopt correct control logic simultaneously, the two is rationally opened, is stopped, and is to give full play to its key of performance, assurance safe handling separately.
New-energy automobile refers to all other energy automobiles except gasoline, diesel motor, comprises fuel cell powered vehicle, hybrid vehicle, hydrogen-powered vehicles and solar car etc.New-energy automobile is compared with traditional fuel-engined vehicle, has cancelled fuel engines, the substitute is genemotor, and is equipped with on-vehicle battery the energy is provided.But the cal val while moving due to genemotor and temperature, well below fuel engines, so in car, air-conditioning cannot utilize traditional heater cores unit to extract heat, reaches enough leaving air temps, thereby needs novel heating unit that heat is provided.What current most new-energy automobile adopted is in air-conditioning, to increase the technology of the electric heater that uses direct supply.
Summary of the invention
A first aspect of the present invention object is to provide the method for arranging of air conditioning for automobiles, to solve electric heater that prior art exists with heater cores heat exchange efficiency is not high, the air-conditioning air volume of air-pressure drop generation loses large technical matters, and it is even to be conducive to the air-out of each air outlet.
The present invention solves the problems of the technologies described above by the following technical programs.
A method for arranging for air conditioning for automobiles, comprises the layout of electric heater, heater cores, and the method for arranging of described air conditioning for automobiles, comprises described electric heater, described heater cores are all arranged in the primary air district in air conditioning box body, and uprush direction is placed; The size of described heater cores and described electric heater, meets following formula:
d
2/d
1≥2/3；
Wherein, described d
1the cross-sectional height of=described heater cores;
Described d
2the cross-sectional height of=described electric heater.
When the invention process, preferably, described electric heater and described heater cores are 5mm～15mm in the span of the spacing L of the cross-sectional plane of described air flow line.
Further, d
2/ d
1≤ 1; Preferably, d
2/ d
1=0.7.
The area of heating of described electric heater, described heater cores is all positioned at air-conditioner housing.
In a preferred specific embodiment of the present invention, d
2/ d
1≤ 1; Described electric heater and described heater cores are 5mm～15mm in the span of the spacing L of the cross-sectional plane of described air flow line; The area of heating of described electric heater, described heater cores is all positioned at air-conditioner housing.
When the invention process, preferably, described air conditioning for automobiles meets following logic rules:
1) when automobile starts to start to walk by stopping working and opens described air conditioning for automobiles heating, preferentially start described electric heater;
2) in described air conditioning for automobiles, blowing engine is not opened or is out of service, and described electric heater cannot start or automatically cut out immediately;
3) in described air conditioning for automobiles, each running gear, in its range of operation, does not touch the area of heating of described electric heater or described heater cores.
When the invention process, preferably, described air conditioning for automobiles is the air conditioning for automobiles for new-energy automobile.Further, described new-energy automobile comprises fuel cell powered vehicle, hybrid vehicle, hydrogen-powered vehicles and solar car.
A second aspect of the present invention object is to propose a kind of air conditioning for automobiles.
The air conditioning for automobiles that the method for arranging of air conditioning for automobiles is as previously described manufactured, comprises electric heater, heater cores, and described electric heater, described heater cores are all arranged in the primary air district in air conditioning box body, and uprush direction arranges; The size of described heater cores and described electric heater, meets following formula:
d
2/d
1≥2/3；
Wherein, described d
1the cross-sectional height of=described heater cores;
Described d
2the cross-sectional height of=described electric heater;
Described electric heater and described heater cores are 5mm～15mm in the span of the spacing L of the cross-sectional plane of described air flow line.
When the invention process, preferably, d
2/ d
1≤ 1.
When the invention process, preferably, the area of heating of described electric heater, described heater cores is all positioned at air-conditioner housing.
When the invention process, preferably, described air conditioning for automobiles is the air conditioning for automobiles for new-energy automobile.Further, described new-energy automobile comprises fuel cell powered vehicle, hybrid vehicle, hydrogen-powered vehicles and solar car.
Air conditioning for automobiles of the present invention, can reach following effect:
(1) electric heater and heater cores heat exchange efficiency maximize;
(2) avoid the air-conditioning air volume loss due to violent air-pressure drop generation;
(3) avoid due to electric heater and heater cores surface temperature distribution inequality, in the car causing, each air outlet is uneven in temperature;
(4) protection occupant avoids the danger that is burned or burns.
Heater cores or electric heater are the heat exchanger components of rectangular shape, and air flows through heater cores or electric heater reaches heated effect.The lip-deep air-flow velocity windward of heater cores or electric heater is more even, and heat exchange is more abundant, and the efficiency of heater cores or electric heater performance is higher.If the local low speed of local high speed, position so at a high speed may be transshipped by heat exchanger, and the position heat exchange of low speed is not enough.If electric heater and heater cores are put mal, may make surface both wind speed all in very inhomogeneous state, consequently heat exchange cannot be given full play to, and air-flow resistance rises, and the whole air quantity of air-conditioning declines; Also can become a reason of air outlet temperature inequality simultaneously.
Below with reference to accompanying drawing, the technique effect of design of the present invention, concrete structure and generation is described further, so that those skilled in the art understands object of the present invention, feature and effect fully.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of air conditioning for automobiles under the present invention.
Fig. 2 is the position relationship schematic diagram of electric heater and heater cores.
Fig. 3 is the structural representation of a kind of air conditioning for automobiles under the present invention.
Fig. 4 is the logic diagram that starts electro heat process.
The specific embodiment
As shown in Figure 1,3, a kind of method for arranging of air conditioning for automobiles, comprises the layout of electric heater 1, heater cores 2, and the method is that electric heater 1, heater cores 2 are all arranged in the primary air district in air conditioning box body 3, and uprush direction P places.
Hold concurrently referring to Fig. 2, in this specific embodiment, the layout of electric heater 1, heater cores 2, meets following how much rules:
1) electric heater 1, heater cores 2 are all arranged in the primary air district in air conditioning box body 3; Conventionally according to the result of experimental measurement air-conditioning inner air flow velocity, judge primary air district, heat exchange element is placed in the region that wind speed is high as far as possible;
2) size of heater cores 2 and electric heater 1, meets following formula:
D
2/ d
1>=2/3; Further, d
2/ d
1≤ 1; In a preferred embodiment, d
2/ d
1=0.7;
Wherein, d
1the cross-sectional height of=heater cores 2, the heater cores cross sectional dimensions difference that different production firms produce is larger; Universal law is that, for the high vehicle of the large thermal load in space, required heater cores is large, d
1value also can be corresponding larger;
D
2the cross-sectional height of=electric heater 1, the electric heater cross sectional dimensions difference that different production firms produce is larger; Universal law is that, for the high vehicle of the large thermal load in space, required electric heater is large, d
2value also can be corresponding larger;
3) area of heating of electric heater 1, heater cores 2 is all positioned at air-conditioner housing.
Hold concurrently referring to Fig. 4, in this specific embodiment, described air conditioning for automobiles, also meets following rule of logic:
(1), when automobile is by flame-out while starting starting opening automobile air conditioning and heating, preferentially start electric heater 1 (can by chaufeur hard closing);
(2) in air conditioning for automobiles, blowing engine is not opened or is out of service, and electric heater 1 cannot start or automatically cut out immediately;
(3) in air conditioning for automobiles, each running gear, in its range of operation, does not touch the area of heating of electric heater or heater cores.
Specifically, after opening automobile air-conditioning, the control part of air conditioning for automobiles first judges whether blowing engine is opened; If "Yes", the control part of air conditioning for automobiles starts electric heater 1; If "No", the control part of air conditioning for automobiles is first opened blowing engine, then judges whether blowing engine is opened, if "Yes" is restarted electric heater 1, if "No", air-conditioning screen display error code, control part closing automobile air-conditioning.When blowing engine is closed or interrupt suddenly, the control part branch of air conditioning for automobiles closes electric heater 1.
In this specific embodiment, air conditioning for automobiles is the air conditioning for automobiles for new-energy automobile.New-energy automobile comprises fuel cell powered vehicle, hybrid vehicle, hydrogen-powered vehicles and solar car.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area just can design according to the present invention be made many modifications and variations without creative work.Therefore, all technical personnels in the art, all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. a method for arranging for air conditioning for automobiles, comprises and described electric heater, described heater cores are all arranged in the primary air district in air conditioning box body, and uprush direction arranges the layout of electric heater, heater cores; It is characterized in that: the size of described heater cores and described electric heater, meets following formula:
d
2/d
1≥2/3；
Wherein, described d
1the cross-sectional height of=described heater cores;
Described d
2the cross-sectional height of=described electric heater.
2. the method for arranging of air conditioning for automobiles as claimed in claim 1, is characterized in that: described electric heater and described heater cores are 5mm～15mm in the span of the spacing L of the cross-sectional plane of described air flow line.
3. the method for arranging of air conditioning for automobiles as claimed in claim 1, is characterized in that: d
2/ d
1≤ 1.
4. the method for arranging of air conditioning for automobiles as claimed in claim 1, is characterized in that: the area of heating of described electric heater, described heater cores is all positioned at air-conditioner housing.
5. the method for arranging of air conditioning for automobiles as claimed in claim 1, is characterized in that, described air conditioning for automobiles meets following logic rules:
1) when automobile starts to start to walk by stopping working and opens described air conditioning for automobiles heating, preferentially start described electric heater;
2) in described air conditioning for automobiles, blowing engine is not opened or is out of service, and described electric heater cannot start or automatically cut out immediately;
3) in described air conditioning for automobiles, each running gear, in its range of operation, does not touch the area of heating of described electric heater or described heater cores.
6. the method for arranging of air conditioning for automobiles as claimed in claim 1, is characterized in that, described air conditioning for automobiles is the air conditioning for automobiles for new-energy automobile.
7. the method for arranging of air conditioning for automobiles as claimed in claim 6, is characterized in that, described new-energy automobile comprises fuel cell powered vehicle, hybrid vehicle, hydrogen-powered vehicles and solar car.
8. the air conditioning for automobiles that the method for arranging of air conditioning for automobiles as claimed in claim 1 is manufactured, comprises electric heater, heater cores, described electric heater, described heater cores are all arranged in the primary air district in air conditioning box body, and uprush direction arranges; It is characterized in that: the size of described heater cores and described electric heater, meets following formula:
d
2/d
1≥2/3；
Wherein, described d
1the cross-sectional height of=described heater cores;
Described d
2the cross-sectional height of=described electric heater;
Described electric heater and described heater cores are 5mm～15mm in the span of the spacing L of the cross-sectional plane of described air flow line.
9. air conditioning for automobiles as claimed in claim 8, is characterized in that: d
2/ d
1≤ 1.
10. air conditioning for automobiles as claimed in claim 8, is characterized in that: the area of heating of described electric heater, described heater cores is all positioned at air-conditioner housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110422218.2A CN102490571B (en) | 2011-12-15 | 2011-12-15 | Automobile air conditioner and layout method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110422218.2A CN102490571B (en) | 2011-12-15 | 2011-12-15 | Automobile air conditioner and layout method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102490571A CN102490571A (en) | 2012-06-13 |
| CN102490571B true CN102490571B (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110422218.2A Expired - Fee Related CN102490571B (en) | 2011-12-15 | 2011-12-15 | Automobile air conditioner and layout method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN102490571B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3032385B1 (en) * | 2015-02-10 | 2018-05-25 | Valeo Systemes Thermiques | HOUSING OF AN ELECTRIC HEATING DEVICE |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1525795A (en) * | 2003-02-28 | 2004-09-01 | ��������ķ������ | Electric heating device with heating zones |
| CN200964045Y (en) * | 2006-10-25 | 2007-10-24 | 比亚迪股份有限公司 | Air-conditioning heating device for electric vehicle |
| CN201309392Y (en) * | 2008-10-28 | 2009-09-16 | 沈阳华晨金杯汽车有限公司 | Warm wind heating device of hybrid engine vehicle |
| EP2131117A1 (en) * | 2008-06-04 | 2009-12-09 | Behr France Rouffach SAS | Motor vehicle air conditioning with PTC heating device |
| CN201633497U (en) * | 2010-03-26 | 2010-11-17 | 重庆长安汽车股份有限公司 | Air-conditioning and heating device of electric automobile |
| CN202006709U (en) * | 2011-01-30 | 2011-10-12 | 比亚迪股份有限公司 | Heating system of electric vehicle |
| WO2011129266A1 (en) * | 2010-04-12 | 2011-10-20 | 株式会社ヴァレオジャパン | Vehicle air conditioning electric heating type heater core, and vehicle air conditioning device provided therewith |
-
2011
- 2011-12-15 CN CN201110422218.2A patent/CN102490571B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1525795A (en) * | 2003-02-28 | 2004-09-01 | ��������ķ������ | Electric heating device with heating zones |
| CN200964045Y (en) * | 2006-10-25 | 2007-10-24 | 比亚迪股份有限公司 | Air-conditioning heating device for electric vehicle |
| EP2131117A1 (en) * | 2008-06-04 | 2009-12-09 | Behr France Rouffach SAS | Motor vehicle air conditioning with PTC heating device |
| CN201309392Y (en) * | 2008-10-28 | 2009-09-16 | 沈阳华晨金杯汽车有限公司 | Warm wind heating device of hybrid engine vehicle |
| CN201633497U (en) * | 2010-03-26 | 2010-11-17 | 重庆长安汽车股份有限公司 | Air-conditioning and heating device of electric automobile |
| WO2011129266A1 (en) * | 2010-04-12 | 2011-10-20 | 株式会社ヴァレオジャパン | Vehicle air conditioning electric heating type heater core, and vehicle air conditioning device provided therewith |
| CN202006709U (en) * | 2011-01-30 | 2011-10-12 | 比亚迪股份有限公司 | Heating system of electric vehicle |
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| Publication number | Publication date |
|---|---|
| CN102490571A (en) | 2012-06-13 |
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