CN113320352A - Air inlet structure of automobile air conditioner box and automobile - Google Patents
Air inlet structure of automobile air conditioner box and automobile Download PDFInfo
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- CN113320352A CN113320352A CN202110699244.3A CN202110699244A CN113320352A CN 113320352 A CN113320352 A CN 113320352A CN 202110699244 A CN202110699244 A CN 202110699244A CN 113320352 A CN113320352 A CN 113320352A
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- circulation air
- internal circulation
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- air inlet
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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
- B60H1/00457—Ventilation unit, e.g. combined with a radiator
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- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an air inlet structure of an automobile air conditioning box and an automobile, which comprise a shell with an inner cavity, wherein the shell is provided with an inner circulation air inlet and an outer circulation air inlet of the inner cavity, an inner circulation air door and an outer circulation air door, the inner circulation air door is arranged in the inner cavity of the shell and used for controlling the opening and closing of the inner circulation air inlet, the outer circulation air door is used for controlling the opening and closing of the outer circulation air inlet, the inner circulation air door comprises a first plate body and a second plate body which are connected in a V shape, the joint of the first plate body and the second plate body is fixedly connected with a first rotating shaft, the inner circulation air door rotates along with the first rotating shaft synchronously, and the shell is internally provided with a first limit baffle, a second limit baffle and a partition plate, wherein. The opening degree of the internal circulation air door can be adjusted to realize the disconnection of the internal circulation air duct and the external circulation air duct, so that the mixing proportion of the internal air and the external air can be conveniently controlled, and different use conditions can be met.
Description
Technical Field
The invention relates to an automobile air conditioner, in particular to an air inlet structure of an automobile air conditioner box and an automobile.
Background
With the increasing requirements of the automobile industry in China on emission and energy conservation, the requirements of customers on the comfort level and the energy conservation of automobiles are more and more emphasized with the popularization of new energy automobiles such as pure electric automobiles and hybrid electric automobiles.
The air conditioner is a product which is positioned in a carriage and provides comfort for automobile passengers, the performance and functional requirements of an air conditioning system are higher and higher, the structure of an HVAC (heating ventilation air conditioning) box is more and more complex, and the air conditioner not only meets the comfort requirements of heating, cooling, defrosting, demisting and the like of drivers and passengers, but also more importantly ensures the ventilation performance of the whole automobile. The air inlet system of the air conditioner has two independent functions of internal circulation and external circulation, wherein the internal circulation is used for air circulation in the passenger compartment, and the external circulation is used for air inlet from the outside of the vehicle and air circulation exchange in the vehicle.
CN111284295A discloses an operation method of an air conditioning system for a vehicle, which solves the problem of mixing internal and external circulation gases according to different proportions, referring to FIG. 1, the existing internal circulation air inlet 30 is an opening, when the existing internal circulation air inlet 10 and the existing external circulation air door 20 are both in the middle position from 0 degree to full opening, and the vehicle is running at high speed, i.e. running speed is 80 km/h-120 km/h, the air pressure of the existing external circulation air inlet 40 is greater than that of the existing internal circulation air inlet 30, the existing external circulation air inlet 40 forms positive pressure to the existing internal circulation air inlet 30, the suction force of a blower at low voltage can not suck all the air of the existing external circulation air inlet 40, the external air can reach the existing internal circulation air inlet 30 from the existing external circulation air inlet 40 along the arrow direction and enter the vehicle, the vehicle enters low-temperature air which is not filtered by a filter screen, the temperature in the vehicle is lowered and the air is deteriorated.
Disclosure of Invention
The invention aims to provide an air inlet structure of an automobile air conditioner box and an automobile, which can realize the disconnection of the connection between an internal circulation air duct and an external circulation air duct by adjusting the opening of an internal circulation air door, are convenient to control the mixing ratio of internal air and external air and meet different use conditions.
The air inlet structure of the automobile air conditioning box comprises a shell with an inner cavity, wherein an inner circulation air inlet and an outer circulation air inlet are arranged on the shell, an inner circulation air door for controlling the opening and closing of the inner circulation air inlet and an outer circulation air door for controlling the opening and closing of the outer circulation air inlet are arranged in the inner cavity, the inner circulation air door comprises a first plate body and a second plate body which are connected in a V shape, the joint of the first plate body and the second plate body is fixedly connected with a first rotating shaft, the inner circulation air door synchronously rotates along with the first rotating shaft, a first limit baffle, a second limit baffle and a partition plate are arranged in the shell, the first limit baffle and the second limit baffle are correspondingly matched with the inner circulation air door, the first limit baffle and the second limit baffle are respectively positioned at the positions where the inner circulation air door is opened by 0% and 100%, the partition plate is arranged on an air flow path between the outer circulation air inlet and the inner circulation air inlet, the air of the external circulation air inlet is prevented from entering the vehicle from the internal circulation air inlet; when the first plate body of the internal circulation air door rotates to a position between the first limit baffle and the partition plate, the second plate body rotates to a position between the second limit baffle and the partition plate, or the first plate body rotates to be attached to the first limit baffle, and the second plate body rotates to be attached to the partition plate, the opening of the internal circulation air inlet is less than 100%, and the internal circulation air duct is communicated with the external circulation air duct; when the first plate body of the internal circulation air door rotates to be attached to the partition plate and the second plate body rotates to be attached to the second limiting baffle plate, the internal circulation air inlet is opened by 100%, and the internal circulation air duct is separated from the external circulation air duct.
Furthermore, baffle one end and casing inside wall fixed connection, the other end extends towards first pivot axle center direction.
Further, extrinsic cycle air door and second pivot fixed connection just can be along with the synchronous rotation of second pivot, the casing is equipped with the orbit dish of being connected with the drive arrangement transmission outward, be equipped with on the orbit dish with the first gear engaged with of first pivot tip third gear and with the second gear engaged with of second pivot tip fourth gear.
Further, be equipped with the filter screen in the inner chamber of casing, the air-out side in inner loop wind channel and extrinsic cycle wind channel is located to the filter screen.
An automobile comprises an air conditioning system assembly, wherein the air conditioning system assembly comprises the air inlet structure of an automobile air conditioning box.
Compared with the prior art, the invention has the following beneficial effects.
1. According to the invention, the first limit baffle, the second limit baffle and the partition plate positioned between the first limit baffle and the second limit baffle are arranged in the shell and correspondingly matched with the internal circulation air door, the first limit baffle can limit the opening degree of the first plate body of the internal circulation air door, so that the closing position of the internal circulation air door is determined, the second limit baffle can limit the opening degree of the second plate body of the internal circulation air door, and the position of the internal circulation air door when being opened by 100% is determined. The arrangement of the partition plate can prevent the air of the external circulation air inlet from directly entering the vehicle from the internal circulation air inlet, and the temperature and the quality of the air in the vehicle are ensured.
2. The invention realizes the mixing of the internal circulation air inlet and the external circulation air inlet in any proportion by adjusting the opening degree of the internal circulation air door and the external circulation air door, and meets different use conditions
3. The filter screen is arranged in the inner cavity of the shell and is arranged on the air outlet sides of the inner circulation air duct and the outer circulation air duct, and the filter screen is used for preliminarily filtering foreign matters such as dust in air, preventing air conditioning equipment from being damaged and prolonging the service life of the air conditioning equipment.
Drawings
FIG. 1 is a schematic diagram of an air intake structure of a conventional air conditioning box for a vehicle;
FIG. 2 is an assembly schematic of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is an exploded view of the present invention;
FIG. 5 is a left side view of the present invention;
FIG. 6 is a schematic view of a first operation mode of the air intake structure of the air conditioning compartment of the vehicle according to the present invention;
FIG. 7 is a schematic view of the second operation mode of the air intake structure of the air conditioning box of the vehicle according to the present invention;
FIG. 8 is a schematic view of a third operation mode of the air intake structure of the air conditioning compartment of the vehicle according to the present invention;
FIG. 9 is a schematic view of the fourth operation mode of the air intake structure of the air conditioning box of the automobile according to the present invention.
In the figure, 1-a housing, 11-an internal circulation air inlet, 12-an external circulation air inlet, 13-a first limit baffle, 14-a second limit baffle, 15-a partition plate, 2-an internal circulation air door, 21-a first plate, 22-a second plate, 23-a first rotating shaft, 24-a first gear, 3-an external circulation air door, 31-a second rotating shaft, 32-a second gear, 4-an internal circulation air duct, 5-an external circulation air duct, 6-a filter screen, 61-a hollowed-out cover, 7-a track disc, 71-a third gear, 72-a fourth gear, 8-a motor, 9-a mounting base, 10-an existing internal circulation air door, 20-an existing external circulation air door, 30-an existing internal circulation air inlet and 40-an existing external circulation air inlet.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 2 to 5, the air intake structure of the air conditioning box of the automobile comprises a casing 1 having an inner cavity, wherein the casing 1 is provided with an inner circulation air inlet 11 and an outer circulation air inlet 12 of the inner cavity, the inner cavity is provided with an inner circulation air door 2 for controlling the opening and closing of the inner circulation air inlet 11 and an outer circulation air door 3 for controlling the opening and closing of the outer circulation air inlet 12, the inner circulation air door 2 comprises a first plate body 21 and a second plate body 22 which are connected in a V shape, the joint of the first plate body 21 and the second plate body 22 is fixedly connected with a first rotating shaft 23, the inner circulation air door 2 synchronously rotates along with the first rotating shaft 23, the casing 1 is provided with a first limit baffle 13 and a second limit baffle 14 which are correspondingly matched with the inner circulation air door 1 and a partition plate 15 which is positioned between the first limit baffle 13 and the second limit baffle 14, the first limit baffle 13 and the second limit baffle 14 are respectively positioned at the positions where the inner circulation air door 2 is opened by 0% and 100%, the partition plate 15 is arranged on an airflow path between the external circulation air inlet 12 and the internal circulation air inlet 11 to prevent the air of the external circulation air inlet 11 from entering the vehicle from the internal circulation air inlet 12. When the first plate body 21 of the internal circulation air door 2 rotates to a position between the first limit baffle 13 and the partition plate 15, the second plate body 22 rotates to a position between the second limit baffle 14 and the partition plate 15, or the first plate body 21 rotates to be attached to the first limit baffle 13, and the second plate body 22 rotates to be attached to the partition plate 15, the internal circulation air inlet 11 is opened by less than 100%, and the internal circulation air duct 4 is communicated with the external circulation air duct 5. When the first plate body 21 of the internal circulation air door 2 rotates to be attached to the partition plate 15 and the second plate body 22 rotates to be attached to the second limit baffle 14, the internal circulation air inlet 11 is opened by 100%, and the internal circulation air duct 4 is separated from the external circulation air duct 5.
Outer circulating air door 3 and second pivot 31 fixed connection just can be along with second pivot 31 synchronous rotation, casing 1 is equipped with the orbit dish 7 of being connected with the drive arrangement transmission outward, be equipped with on the orbit dish 7 with the first gear 24 of first pivot 23 tip engaged with third gear 71 and with the fourth gear 72 of second gear 32 looks engagement of second pivot 31 tip. The driving device comprises a motor and a mounting base 9 connected with the output end of the motor, and the mounting base 9 is fixedly connected with the track disc 7. The motor 8 drives the track disc 7 to rotate, and the track disc 7 drives the third gear 71, the fourth gear 72, the first gear 24 and the second gear 32 to rotate through different tracks, so that the inner circulation air door 2 and the outer circulation air door 3 are driven to perform mutually independent opening and closing operations.
Be equipped with filter screen 6 and fretwork form lid 61 in the inner chamber of casing 1, filter screen 6 locates the air-out side in inner loop wind channel 4 and outer loop wind channel 5 for foreign matter such as dust in the prefilter air prevents to damage air conditioning equipment, has promoted air conditioning equipment's life.
In the first working mode, referring to fig. 6, the first plate 21 of the internal circulation air door 2 rotates to be attached to the first limit baffle 13, the second plate 22 rotates to be attached to the partition 15, the internal circulation air door is opened by 0%, the internal circulation air duct 4 is communicated with the external circulation air duct 5, the external circulation air door 3 is opened by 100%, the external circulation air intake ratio is 100%, and external circulation air enters the vehicle through the external circulation air inlet 12, the internal circulation air duct 4, the external circulation air duct 5 and the filter screen 6 respectively.
In the second working mode, referring to fig. 7, the first plate 21 of the internal circulation air door 2 rotates to be attached to the partition 15, the second plate 22 rotates to be attached to the second limit baffle 14, the internal circulation air door 2 is opened by 100%, the internal circulation air duct 4 is separated from the external circulation air duct 5, the external circulation air door 3 is opened by 100%, at this time, the internal circulation air enters the vehicle through the internal circulation air inlet 11, the internal circulation air duct 4 and the filter screen 6, the external circulation air enters the vehicle through the external circulation air inlet 12, the external circulation air duct 5 and the filter screen 6, and at this time, 50% of the external circulation air enters the vehicle and 50% of the internal circulation air enters the vehicle.
In a third working mode, referring to fig. 8, the first plate body 21 of the internal circulation air door 2 rotates to be attached to the partition plate 15, the second plate body 22 rotates to be attached to the second limit baffle 14, the internal circulation air door 2 is opened by 100%, the internal circulation air duct 4 is separated from the external circulation air duct 5, the external circulation air door 3 is opened from 0% to 100%, at the moment, internal circulation air enters the vehicle through the internal circulation air inlet 11, the internal circulation air duct 4 and the filter screen 6, the external circulation air enters the vehicle through the external circulation air inlet 12, the external circulation air duct 5 and the filter screen 6, external circulation air enters the vehicle through 0% to 50%, and internal circulation air enters the vehicle through 100% to 50%.
In the fourth operating mode, referring to fig. 9, the internal circulation damper 2 is opened by 50%, it should be noted that the internal circulation damper 2 is not limited to an opening of 50%, the opening ratio is different according to different structural designs, the external circulation damper 3 is opened from 0% and is attached to the external circulation damper baffle, at this time, the internal circulation air enters the vehicle through the internal circulation air inlet 11, the internal circulation air passage 4 and the filter screen 6, the external circulation air cannot enter the vehicle, and the internal circulation air inlet ratio is 100%.
An automobile comprises an air conditioning system assembly, wherein the air conditioning system assembly comprises the air inlet structure of an automobile air conditioning box.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (5)
1. The utility model provides an automobile air conditioner case air inlet structure, is including casing (1) that has the inner chamber, be equipped with inner loop air intake (11), extrinsic cycle air intake (12) on casing (1), be provided with inner loop air door (2) that are used for controlling inner loop air intake (11) switching and extrinsic cycle air door (3) that are used for controlling extrinsic cycle air intake (12) switching in the inner chamber, its characterized in that: the internal circulation air door (2) comprises a first plate body (21) and a second plate body (22) which are connected in a V shape, the joint of the first plate body (21) and the second plate body (22) is fixedly connected with a first rotating shaft (23), the internal circulation air door (2) rotates synchronously along with the first rotating shaft (23), a first limit baffle (13) and a second limit baffle (14) which are correspondingly matched with the internal circulation air door (2) and a clapboard (15) which is positioned between the first limit baffle (13) and the second limit baffle (14) are arranged in the shell (1), the first limit baffle (13) and the second limit baffle (14) are respectively positioned at the positions of 0% opening and 100% opening of the internal circulation air door, the partition plate (15) is arranged on an airflow flow path between the external circulation air inlet (12) and the internal circulation air inlet (11) to prevent air of the external circulation air inlet (12) from entering the vehicle from the internal circulation air inlet (11);
when a first plate body (21) of the internal circulation air door (2) rotates to a position between a first limit baffle (13) and a partition plate (15), a second plate body (22) rotates to a position between a second limit baffle (14) and the partition plate (15), or the first plate body (21) rotates to be attached to the first limit baffle (13), and the second plate body (22) rotates to be attached to the partition plate (15), an internal circulation air inlet (11) is opened by less than 100%, and an internal circulation air duct (4) is communicated with an external circulation air duct (5);
when the first plate body (21) of the internal circulation air door (2) rotates to be attached to the partition plate (15) and the second plate body (22) rotates to be attached to the second limiting baffle (14), the internal circulation air inlet (11) is opened by 100%, and the internal circulation air duct (4) is separated from the external circulation air duct (5).
2. The air intake structure of an air conditioning box of an automobile of claim 1, wherein: one end of the partition board (15) is fixedly connected with the inner side wall of the shell (1), and the other end of the partition board extends towards the axis direction of the first rotating shaft (23).
3. The air intake structure of an air conditioning box of an automobile of claim 1, wherein: outer circulation air door (3) and second pivot (31) fixed connection and can rotate along with second pivot (31) is synchronous, casing (3) are equipped with outward and are connected orbit dish (7) with the drive arrangement transmission, be equipped with on orbit dish (7) with first pivot (23) first gear (24) of tip engaged with third gear (71) and with second pivot (31) second gear (32) of tip engaged with fourth gear (72).
4. The air intake structure of the air conditioning box of the automobile of claim 1 or 2, wherein: be equipped with filter screen (6) in the inner chamber of casing (1), the air-out side in inner loop wind channel (4) and extrinsic cycle wind channel (5) is located in filter screen (6).
5. An automobile, comprising an air conditioning system assembly, characterized in that: the air conditioning system assembly comprises the air inlet structure of the air conditioning box of the automobile as claimed in any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110699244.3A CN113320352A (en) | 2021-06-23 | 2021-06-23 | Air inlet structure of automobile air conditioner box and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110699244.3A CN113320352A (en) | 2021-06-23 | 2021-06-23 | Air inlet structure of automobile air conditioner box and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN113320352A true CN113320352A (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110699244.3A Pending CN113320352A (en) | 2021-06-23 | 2021-06-23 | Air inlet structure of automobile air conditioner box and automobile |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4696340A (en) * | 1985-07-08 | 1987-09-29 | Diesel Kiki Co., Ltd. | Air conditioner |
| CN208247907U (en) * | 2018-04-25 | 2018-12-18 | 南方英特空调有限公司 | A kind of interior outer gas two layers flow automobile air conditioner inlet air box structure |
| CN211808936U (en) * | 2020-03-31 | 2020-10-30 | 重庆长安汽车股份有限公司 | Air inlet structure and system of automobile air conditioner box and automobile |
| CN112590498A (en) * | 2020-12-31 | 2021-04-02 | 艾泰斯热系统研发（上海）有限公司 | Air inlet compensation structure of automobile air conditioner box and automobile air conditioner |
-
2021
- 2021-06-23 CN CN202110699244.3A patent/CN113320352A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4696340A (en) * | 1985-07-08 | 1987-09-29 | Diesel Kiki Co., Ltd. | Air conditioner |
| CN208247907U (en) * | 2018-04-25 | 2018-12-18 | 南方英特空调有限公司 | A kind of interior outer gas two layers flow automobile air conditioner inlet air box structure |
| CN211808936U (en) * | 2020-03-31 | 2020-10-30 | 重庆长安汽车股份有限公司 | Air inlet structure and system of automobile air conditioner box and automobile |
| CN112590498A (en) * | 2020-12-31 | 2021-04-02 | 艾泰斯热系统研发（上海）有限公司 | Air inlet compensation structure of automobile air conditioner box and automobile air conditioner |
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Application publication date: 20210831 |
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