CN101603710B - Air conditioner for automobile - Google Patents
Air conditioner for automobile Download PDFInfo
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- CN101603710B CN101603710B CN2009101442179A CN200910144217A CN101603710B CN 101603710 B CN101603710 B CN 101603710B CN 2009101442179 A CN2009101442179 A CN 2009101442179A CN 200910144217 A CN200910144217 A CN 200910144217A CN 101603710 B CN101603710 B CN 101603710B
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- air
- mixer
- air conditioner
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- streamline
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- 238000005192 partition Methods 0.000 claims description 33
- 230000008859 change Effects 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 238000007664 blowing Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004141 dimensional analysis Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The invention discloses an air conditioner for an automobile, which is packed by an air conditioner housing, wherein the internal of the air conditioner housing is formed of an air current channel, and a centrifugal fan, an evaporator core body 3, a hybrid air door 5, an air mixer 7, a heater core body 6, an air outlet 20 and the like are arranged on the direction of air channel, the air mixer which is capable of changing the direction of cold/hot air current is arranged between the hybrid air door and the air outlet. Through the technical scheme of the invention, two air currents of different temperature are mixed fully, so that the temperature of the air current at the air outlet achieves high uniform, thereby improving the accuracy of temperature control and comfort of use. Being arranged for use, the air mixer has the advantages of small resistance, evident mixing effect, less adjusting parameters, and convenient modification, and can be widely used for air conditioners and other equipment required intensified heat exchange.
Description
Technical Field
The invention belongs to the technical field of manufacturing of automobile parts, and particularly relates to an automobile air conditioner.
Background
At present, in the aspect of air treatment, a full-functional automobile air conditioner adopts a mode of adjusting a mixing air door to provide different air supply temperatures, the mixing air door is arranged between an evaporator and a heater, the opening amplitude of the mixing air door is adjusted according to the temperature setting requirement of passengers, and the proportion of cold air flow and hot air flow is controlled. The hot air flow flowing through the heater and the cold air flow not flowing through the heater are mixed in the air conditioner and then blown out through the air door.
In the traditional mechanism, because the automobile body space is limited, the automobile air conditioner has a compact structure, and is difficult to provide enough space to uniformly mix cold and hot air flows, so that the temperature of an air outlet is directly uneven in cold and hot, the accuracy of temperature acquisition control is influenced, and the comfort of an automobile is further reduced.
Disclosure of Invention
The invention aims to solve the technical problem that the compact automobile air conditioner is easy to have the phenomena that the temperature distribution of each air outlet is uneven and the accuracy of temperature acquisition control is influenced.
The technical scheme provided by the invention is that an air flow channel formed by an air conditioner shell is provided with a centrifugal fan, an evaporator core body, a mixed air door, an air mixer, a heater core body, an air outlet and the like along the air channel direction, and the air mixer which changes the direction of cold and hot air flow is arranged between the mixed air door and the air outlet.
The air mixer is arranged at the position of a cold and hot mixing area behind the mixing air door and is arranged on an air mixer mounting positioning hole of the air conditioner.
The air mixer comprises a partition plate and partition plate supporting ribs, wherein the partition plate is an adjustable partition plate.
The baffle comprises a streamline baffle and/or a straight baffle, the streamline baffle and the straight baffle are connected into a whole by a flat plate, and the unified design thickness of the two blades is 1.5-2.2 mm.
The streamline baffles and the straight baffles are combined in a staggered mode to form a cold air channel and a hot air channel respectively, the size of an air inlet of the air channel is 28-38mm, the two air inlets are blown inwards by the curved plate simultaneously, and mixing is performed in the middle of the curved plate.
The modeling design of the streamline partition plate on the air mixer follows the principles of smoothness, wind resistance reduction and certain linear change, the trend curve of the specifically formed curved surface is a primary curve of 3-5 orders, and the curvature change is uniform.
The number of the cold and hot airflow channels of the air mixer is 3-10 per unit, the total number of the molded partition boards is 6-20, and the height range of the partition boards is 60mm-200 mm.
The technical scheme provided by the invention can effectively solve the technical problems that the air conditioner adopting the traditional structural form is difficult to provide enough space to uniformly mix cold and hot air, so that the cold and hot air at the air outlet are directly uneven, the accuracy of temperature acquisition control is influenced, the comfort of an automobile is further reduced and the like. The air mixer is a one-step formed separate element without other accessories, and structurally comprises cold and hot channels formed by partition plates with different shapes, and the heights and the number of the partition plates can be different according to performance requirements. In installation and use, the air mixer has the advantages of small resistance, obvious mixing effect, few adjusting parameters and convenient change, and can be widely applied to air conditioners and other equipment requiring enhanced heat exchange.
Drawings
The invention is further illustrated with reference to the accompanying drawings
FIG. 1 is a schematic view of a mounting structure for use with the present invention;
FIG. 2 is a schematic structural view of the air mixer of the present invention;
FIG. 3 is a schematic front view of the air mixer of the present invention;
FIG. 4 is a left side view of the air mixer of the present invention;
FIG. 5 is a schematic bottom view of the air mixer of the present invention;
FIG. 6 is a schematic top view of the air mixer of the present invention;
FIG. 7 is a schematic view of the air flow direction in the case where no air mixer is used;
FIG. 8 is a schematic plan view of the flow direction after the air mixer is used in case;
FIG. 9 is a three-dimensional analysis diagram of the air flow direction of the air mixer;
wherein,
1 is an air conditioner shell; 2 is a centrifugal fan; 3 is evaporator core; 5 is a mixing air door; 6 is a heater core body; 7 is an air mixer; 8 is a streamline clapboard; 9 is a flat clapboard; 14 are clapboard support ribs; 16 is a mounting positioning hole of the air mixer; 17 is a clapboard reinforcing rib; 20 is an air-conditioning air outlet.
Detailed Description
As shown in fig. 1-9, the technical solution provided by the present invention is that the air conditioner is wrapped by an air conditioner casing, an airflow channel is formed inside the air conditioner casing (1), a centrifugal fan (2), an evaporator core (3), a mixing air door (5), an air mixer (7), a heater core (6), an air outlet (20), etc. are arranged along the air duct direction, and the air mixer (7) for changing the direction of cold and hot airflow is arranged between the mixing air door 5 and the air outlet 20; the air mixer 7 is arranged at the position of a cold and hot mixing area behind the mixing air door 5 and is arranged on an air mixer mounting positioning hole 16 of the air conditioner; the air mixer 7 comprises a partition plate and partition plate support ribs 14, and the partition plate is an adjustable partition plate; the baffle comprises a streamline baffle 8 and/or a straight baffle 9, the streamline baffle 8 and the straight baffle 9 are connected into a whole by a flat plate, and the unified design thickness of the two blades is 1.5-2.2 mm; the streamline baffles 8 and the flat baffles 9 are combined in a staggered way to form a cold air channel and a hot air channel respectively, the size of an air inlet of the air channel is 28-38mm, the two air inlets are simultaneously blown inwards by the curved plate, and mixing is performed in the middle of the curved plate; the modeling design of the streamline partition plate 8 on the air mixer 7 follows the principles of smoothness, wind resistance reduction and certain linear change, the trend curve of the specifically formed curved surface is a 3-5-order primary curve, and the curvature change is uniform; the number of the cold and hot air flow channels of the air mixer 7 is 3-10 per piece, the total number of the molded partition boards is 6-20, and the height range of the partition boards is 60mm-200 mm.
The air mixer 7 provided by the invention has the functions of shunting through the partition plate to generate heat shunting, so that the heat is shunted, the effect of balancing heat and finally finishing the uniform temperature is achieved, and fig. 7 is a schematic view of the air flow direction plane of a case without using the air mixer 7, and under the state without the air mixer 7, cold air and hot air flow in parallel without effective heat exchange; fig. 8 is a schematic plan view of the air flow direction after the air mixer 7 is used in this case, and after the air mixer 7 is used, the cold air flow and the hot air flow are mixed with each other, the heat is fully mixed, and the temperature is uniform at the air outlet 20.
As shown in fig. 2, the air mixer 7 structurally has two kinds of partitions: one is a straight clapboard 9, namely 9 in the figure, and the other is a streamline clapboard 8, namely 8 in the figure, all the clapboards are connected into a whole by flat plates, and the unified design thickness of the two blades is 1.8 mm; meanwhile, the deformation of the tuyere is ensured through the reinforcing ribs 17.
The two partition boards are combined in a staggered mode to form a cold air channel and a hot air channel respectively, the size of an air inlet of each air channel is about 33mm, the two air inlets are simultaneously blown inwards by the curved plates, mixing is performed in the middle of the curved plates, and the air inlet is specifically shown in the figure 9.
In structural dimension, the air mixer 7 can be molded at one time or in sections according to strength or process conditions, but the use effect of the air mixer 7 is not influenced.
The fixing mode of the air mixer 7 is determined according to the peripheral structure conditions, but the basic principle is that the form of the partition is not changed, and 16 in figure 4 shows the installation fixing point used in a specific case.
The density (i.e. number of baffles on each air mixer 7, one or more) or the distance between the baffles of the air mixer 7, indicated by 15 in fig. 3, needs to be adjusted according to the air flow conditions inside different air conditioners, so as to achieve the desired target, and the target may not be completely uniform.
The heights of the partition plates of the air mixer 7 can be uneven and consistent, and need to be adjusted according to the air flow state, and the heights of the left partition plate, the right partition plate and the internal partition plate shown in fig. 3 are inconsistent.
The modeling design of the streamline partition plate 8 on the air mixer 7 follows the principles of smoothness, wind resistance reduction and certain linear change, the trend curve of the specifically formed curved surface is a primary curve of 3-5 orders, and the curvature change is uniform.
The technical scheme of the invention comprises the following steps:
the effect of using the air mixer 7 through a plurality of projects shows that the air mixer 7 is arranged in a key area for mixing cold air and hot air, and the shape of the air mixer 7 is adjusted according to the internal structure, the installation and fixing mode and the air flow state of each air conditioner shell, so that the heat exchange strengthening effect can be achieved, and the temperature of the air outlet 20 is uniform.
By case practice, fig. 10 is a comparison of the temperature consistency effect of the front and rear air outlets 20 of the air mixer 7 used in a certain air conditioner. Fig. 10a shows the temperature condition of the air outlet 20 in the original state, and it can be seen from the figure that the temperature difference between the face blowing air port and the foot blowing/post-blowing air port of the air conditioner is very large due to insufficient mixing of the cold air and the hot air, and the foot blowing/post-blowing temperature also fluctuates in abnormal conditions; to solve this problem, we add an air mixer 7 in the hot and cold mixing area, and after the intensive mixing by the air mixer 7, fig. 10b shows the test results after use. The effect can be seen out before the contrast is used, uses the HVAC behind the air mixer 7 to blow the face wind gap and blow the foot, blows the temperature difference in back wind gap and has reduced greatly, and the temperature variation trend is also unanimous basically, can satisfy user operation requirement.
The design concept of the air mixer 7 provided by the invention also comprises the following contents:
1. modeling the air mixer 7: the effective structure of the air mixer 7 is a straight partition plate and a streamline partition plate 8, and the effect of improving the temperature uniformity can be realized by using the part on the basis of not changing the original air conditioner shell.
2. The structural size of the air mixer 7 is as follows: the structural specification of the air mixer 7 can be adjusted according to different shells and the internal airflow state of the shells to achieve the expected purpose, in the adjustment, the density (the number of channels on each air mixer 7) and the height of the flow channel partition plates are determining factors, the number of cold and hot airflow channels of the air mixer 7 is 3-10/piece, the total number of the modeling partition plates is 6-20, the height range of the partition plates is 60-200 mm, and the thickness range is 1-2 mm.
3. The application range is as follows: the air mixer 7 is used in single-zone and multi-zone air conditioners of automobile air conditioners.
Claims (5)
1. An automobile air conditioner comprises an air conditioner shell (1), wherein a centrifugal fan (2) is arranged in the air conditioner shell (1), the centrifugal fan (2) is provided with an evaporator core body (3), a mixing air door (5), a heater core body (6), an air outlet (20) and the like along the air duct direction, it is characterized in that an air mixer (7) which changes the direction of cold and hot air flow is arranged between the mixing air door (5) and the air outlet (20), the air mixer (7) comprises a clapboard and clapboard support ribs (14), the clapboard is an adjustable clapboard, the baffle plates comprise a streamline baffle plate (8) and a flat baffle plate (9), the streamline baffle plate (8) and the flat baffle plate (9) are connected into a whole by a flat plate, the uniform design thickness of the blades of the streamline baffle (8) and the flat baffle (9) is 1.5-2.2 mm.
2. The air conditioner for vehicle as claimed in claim 1, wherein the air mixer (7) is installed at a mixer mounting positioning hole (16) of the air conditioner at a position of a cold and hot mixing area behind the mixing damper (5).
3. The air conditioner of claim 1 or 2, wherein the streamline baffles (8) and the flat baffles (9) are combined in a staggered way to form a cold air channel and a hot air channel respectively, the size of an air inlet of the air channel is between 28 and 38mm, the air inlets of the cold air channel and the hot air channel simultaneously blow air inwards, and mixing is performed in the middle.
4. The vehicle air conditioner according to claim 3, characterized in that the shape design of the streamline partition (8) on the air mixer (7) follows the principles of smoothness, wind resistance reduction and certain linear change, the trend curve of the concrete formed curved surface is a primary curve of 3-5 orders, and the curvature change is uniform.
5. The air conditioner as claimed in claim 4, wherein the air mixer (7) is provided with 3-10 cold and hot air flow passages per unit, the total number of the shaped partition boards is 6-20, and the height of the partition boards is 60mm-200 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101442179A CN101603710B (en) | 2009-07-23 | 2009-07-23 | Air conditioner for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101442179A CN101603710B (en) | 2009-07-23 | 2009-07-23 | Air conditioner for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101603710A CN101603710A (en) | 2009-12-16 |
| CN101603710B true CN101603710B (en) | 2011-07-20 |
Family
ID=41469543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101442179A Expired - Fee Related CN101603710B (en) | 2009-07-23 | 2009-07-23 | Air conditioner for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101603710B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582395B (en) * | 2012-02-27 | 2014-08-27 | 上海贝洱热系统有限公司 | Automobile air conditioning distribution box with low-flow-resistance air guide piece |
| CN103292442B (en) * | 2013-06-28 | 2015-06-17 | 南方英特空调有限公司 | Air conditioner cabinet passage for improving linearity of air outlet temperature of vehicular air conditioner |
| CN103982989B (en) * | 2014-05-28 | 2016-06-15 | 惠州华阳通用电子有限公司 | The detection method of a kind of auto Air Conditioner leaving air temp and system |
| CN105539070A (en) * | 2016-01-29 | 2016-05-04 | 潍柴动力股份有限公司 | Automobile air conditioner temperature adjusting and controlling device |
| CN107662470A (en) * | 2016-07-28 | 2018-02-06 | 长城汽车股份有限公司 | Air ducting and air conditioning for automobiles |
| CN111380136B (en) * | 2018-12-28 | 2022-10-28 | 广东松下环境系统有限公司 | Air mixing structure and air supply device using same |
| CN111380137B (en) * | 2018-12-28 | 2022-09-30 | 广东松下环境系统有限公司 | Air mixing device |
| CN111380138A (en) * | 2018-12-28 | 2020-07-07 | 广东松下环境系统有限公司 | Air mixing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2511517Y (en) * | 2001-12-24 | 2002-09-18 | 上海德尔福汽车空调系统有限公司 | Unitary temperature adjusting air conditioner for automobile |
| EP1312493A2 (en) * | 2001-11-20 | 2003-05-21 | Behr GmbH & Co. | Air-mixing device for a heating or air-conditioning system |
| CN200992127Y (en) * | 2006-12-13 | 2007-12-19 | 芜湖博耐尔汽车电气系统有限公司 | Automobile air conditioner |
| DE102006055164A1 (en) * | 2006-11-22 | 2008-05-29 | Valeo Klimasysteme Gmbh | Heating and ventilation system i.e. multi-zone heating, ventilation and air conditioning system, for e.g. motor vehicle, has mixing volume including air flow control unit attached to another mixing volume and hot air volume |
-
2009
- 2009-07-23 CN CN2009101442179A patent/CN101603710B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1312493A2 (en) * | 2001-11-20 | 2003-05-21 | Behr GmbH & Co. | Air-mixing device for a heating or air-conditioning system |
| CN2511517Y (en) * | 2001-12-24 | 2002-09-18 | 上海德尔福汽车空调系统有限公司 | Unitary temperature adjusting air conditioner for automobile |
| DE102006055164A1 (en) * | 2006-11-22 | 2008-05-29 | Valeo Klimasysteme Gmbh | Heating and ventilation system i.e. multi-zone heating, ventilation and air conditioning system, for e.g. motor vehicle, has mixing volume including air flow control unit attached to another mixing volume and hot air volume |
| CN200992127Y (en) * | 2006-12-13 | 2007-12-19 | 芜湖博耐尔汽车电气系统有限公司 | Automobile air conditioner |
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| Publication number | Publication date |
|---|---|
| CN101603710A (en) | 2009-12-16 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20110720 Termination date: 20200723 |