CN217553634U - Air inlet box - Google Patents
Air inlet box Download PDFInfo
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- CN217553634U CN217553634U CN202221521157.5U CN202221521157U CN217553634U CN 217553634 U CN217553634 U CN 217553634U CN 202221521157 U CN202221521157 U CN 202221521157U CN 217553634 U CN217553634 U CN 217553634U
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- air
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- inlet box
- air door
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Abstract
The utility model relates to an air inlet box, which comprises an air inlet box shell, a first air door and a second air door, wherein the first air door and the second air door are both plate-shaped air doors, the first air door and the second air door are both rotatably arranged in the air inlet box shell, the air inlet side of the air inlet box shell is sequentially provided with an external circulation air inlet, a first internal circulation air inlet and a second internal circulation air inlet, the air outlet side of the air inlet box shell is provided with an air outlet, and the first air door is used for adjusting the opening degrees of the external circulation air inlet and the first internal circulation air inlet; when the first air door is located at the second position, the first air door closes the first internal circulation air inlet, and the external circulation air inlet is in an open state; the second air door is used for adjusting the opening degree of the second internal circulation air inlet. The utility model discloses improved the structure of air inlet case, be favorable to the lightweight of air inlet case, help increasing the interior driving space of car, can promote air conditioner heating speed in winter.
Description
Technical Field
The utility model relates to an automobile, concretely relates to air inlet box.
Background
The air conditioner belongs to an important part product in an automobile, can change the temperature and the air quality in the automobile at any time and any place, and improves the comfort of drivers and passengers. With the gradual rise of new energy industries, higher requirements are put forward on energy consumption and light weight of each part.
The existing air conditioning structure of the automobile is generally composed of an air intake box unit, a blower unit and a distribution box unit. As shown in fig. 1 to 4, the air inlet box unit includes an air inlet box casing 101, a barrel-shaped air door 102, a filter screen 104, a filter screen cover plate 105 and an execution motor 103, the air inlet box casing 101 is generally formed by connecting a left casing 1011 and a right casing 1012, an internal circulation air inlet 106 and an external circulation air inlet 107 are disposed on the air inlet box casing 101, the barrel-shaped air door 102 is used for switching internal and external circulation and changing an air inlet mode, the filter screen 104 mainly plays a role in purifying inhaled air, and the execution motor 103 is used for driving the barrel-shaped air door 102 to rotate to switch the internal and external circulation air inlet modes; when the barrel type air door 102 is in the position shown in fig. 3, the air intake mode is in the external circulation mode, and fresh air outside the vehicle is sucked into the vehicle through the flow channel, so that the effect of ensuring fresh air inside the vehicle is achieved; when the barrel damper 102 is in the position shown in fig. 4, the air intake mode is the internal circulation mode, only air in the vehicle is sucked through the flow channel, and the internal and external circulation dampers block air outside the vehicle from entering the vehicle. Most of the air inlet box units in the prior art adopt a single barrel-shaped air door, the barrel-shaped air door is installed inside an air inlet box shell, and an internal and external circulation air inlet mode is switched by rotating and opening and closing the barrel-shaped air door.
The existing air inlet box unit has the following problems:
in order to meet the requirement of internal and external circulation air intake, the internal and external circulation barrel-shaped air doors need to be large in size, so that the overall size of the shell of the air inlet box is correspondingly increased, the weight of the whole air inlet box is increased, and the requirement of light weight is difficult to further meet; meanwhile, the air inlet box unit is large in appearance, occupies a large space in the vehicle, reduces the driving space in the vehicle and influences the driving comfort.
Existing bellows units have only two modes (inner and outer circulation) and, under certain conditions, for example: when the heating mode is started in winter, external circulating air is started, external cold air enters the vehicle after being heated by the warm air core body, and the heating speed is slow; in addition, most new energy vehicles adopt a mode of heating cold air by an electric heater, so that the heating efficiency is low, the energy consumption of the system can be increased, and the vehicle endurance is further influenced.
Disclosure of Invention
The utility model aims at providing an air inlet box to alleviate or eliminate at least one foretell technical problem.
The utility model discloses an air inlet box, including air inlet box shell, first air door and second air door, first air door with the second air door is the platelike air door, first air door with the rotatable setting of second air door is in the air inlet box shell, the air inlet side of air inlet box shell has set gradually outer circulation air intake, first internal circulation air intake and second internal circulation air intake, the air-out side of air inlet box shell is provided with the air outlet, first air door is used for adjusting the aperture of outer circulation air intake with the first internal circulation air intake, first air door sets up to rotate between first position and second position; when the first air door is located at a first position, the first air door closes the external circulation air inlet, and the first internal circulation air inlet is in an open state; when the first air door is located at the second position, the first air door closes the first internal circulation air inlet, and the external circulation air inlet is in an open state; the second air door is used for adjusting the opening degree of the second internal circulation air inlet and can rotate between a third position and a fourth position; when the second air door is located at a third position, the second air door closes the second internal circulation air inlet; and when the second air door is at the fourth position, the second internal circulation air inlet is in an open state.
Optionally, the first air door is disposed at a region between the first air door and the first internal circulation air inlet.
Optionally, the second air door is disposed at a region between the first internal circulation air inlet and the second internal circulation air inlet.
Optionally, the damper further comprises a first actuator motor for driving the first damper to rotate and a second actuator motor for driving the second damper to rotate.
Optionally, a filter screen is arranged in the air inlet box shell, and the filter screen is arranged between the air inlet side of the air inlet box shell and the air outlet side of the air inlet box shell.
Optionally, the first damper and the second damper each include a plate body and a rotating shaft portion disposed at an edge of one side of the plate body.
Optionally, a blocking portion for blocking the second air door is arranged in the air inlet box shell, and when the second air door is supported on the blocking portion, the second air door is located at a fourth position.
The utility model improves the structure of the air inlet box, and reduces the sizes of the air door and the shell of the air inlet box on the basis of ensuring the air inlet volume of the air inlet box, thereby reducing the weight of the air inlet box unit, reducing the material cost and being beneficial to the light weight of the air inlet box; meanwhile, the volume of the air inlet box is reduced, which is beneficial to increasing the driving space in the vehicle and improving the driving comfort of the vehicle; in addition, through setting up two air doors, can promote winter air conditioner heating speed to promote heating efficiency, can reduce the air conditioner energy consumption.
Drawings
FIG. 1 is an exploded view of an air inlet box unit as described in the background art;
FIG. 2 is a schematic view of the structure of an air inlet box unit in the background art;
FIG. 3 is a schematic view of an air inlet box unit in the prior art;
FIG. 4 is a second schematic view of the operation of the air inlet box unit in the prior art;
FIG. 5 is an exploded view of the air inlet box according to the preferred embodiment;
FIG. 6 is a schematic view of an embodiment of an air inlet box;
fig. 7 is a schematic view of an air inlet box according to an embodiment;
FIG. 8 is a second schematic view of the operation of the air inlet box according to the second embodiment;
fig. 9 is a third schematic view of the operation of the air inlet box according to the embodiment.
The partial sequence numbers in the figure are: 1-air inlet box outer shell; 2-a first damper; 3-a second damper; 4-a first actuator motor; 5-a second actuator motor; 6, filtering a screen; 7, a cover plate; 11 — a first housing; 12 — a second housing; 13-external circulation air inlet; 14-a first internal circulation air inlet; 15-a second internal circulation air inlet; 16-air outlet; 17-barrier.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 5 and 6, the air inlet box includes an air inlet box housing 1, a first air door 2 and a second air door 3, where the first air door 2 and the second air door 3 are both plate-shaped air doors, the first air door 2 and the second air door 3 are both rotatably disposed in the air inlet box housing 1, an external circulation air inlet 13, a first internal circulation air inlet 14 and a second internal circulation air inlet 15 are sequentially disposed on an air inlet side of the air inlet box housing 1, an air outlet 16 is disposed on an air outlet side of the air inlet box housing 1, the first air door 2 is used for adjusting the opening degrees of the external circulation air inlet 13 and the first internal circulation air inlet 14, and the first air door 2 is configured to be capable of rotating between a first position and a second position; when the first air door 2 is located at the first position, the first air door 2 closes the external circulation air inlet 13, and the first internal circulation air inlet 14 is in an open state; when the first air door 2 is located at the second position, the first air door 2 closes the first internal circulation air inlet 14, and the external circulation air inlet 13 is in an open state; obviously, the first damper 2 also has a plurality of fifth positions located between the first position and the second position; the second air door 3 is used for adjusting the opening degree of the second internal circulation air inlet 15, and the second air door 3 is arranged to be capable of rotating between a third position and a fourth position; when the second air door 3 is located at the third position, the second air door 3 closes the second internal circulation air inlet 15; when the second air door 3 is at the fourth position, the second internal circulation air inlet 15 is in an open state; it is clear that the second damper 3 also has a plurality of sixth positions located between the third position and the fourth position. The first air door 2 and the second air door 3 are both plate-shaped air doors, and under the same air intake requirement, the sizes of the first air door 2 and the second air door 3 are smaller than those of the traditional structure, so that the overall dimension of the air inlet box shell 1 can be set smaller, and the purposes of reducing weight and reducing occupied space in a vehicle are achieved. Through reasonable arrangement of the first air door 2 and the second air door 3, the first air door 2, the second air door 3 and the outer circulation air inlet 13, the first inner circulation air inlet 14 and the second inner circulation air inlet 15 are matched for use, the air inlet box can achieve an outer circulation mode, an inner circulation mode and a compensation mode, and the air inlet box can improve the heating speed of the air conditioner in winter in the compensation mode, so that the heating efficiency is improved, and the energy consumption of the air conditioner can be reduced.
The concrete working modes of the external circulation mode, the internal circulation mode and the compensation mode of the air inlet box are as follows:
as shown in fig. 7, the air inlet box is in the external circulation mode, the first air door 2 is located at the second position, the first air door 2 closes the first internal circulation air inlet 14, and the external circulation air inlet 13 is in an open state; the second air door 3 is located at the third position, and the second air door 3 closes the second internal circulation air inlet 15.
As shown in fig. 8, the air inlet box is in the internal circulation mode, the first air door 2 is located at the first position, the first air door 2 closes the external circulation air inlet 13, and the first internal circulation air inlet 14 is in an open state; the second damper 3 is in the fourth position, and the second internal circulation air inlet 15 is in the open state.
As shown in fig. 9, the air inlet box is in the compensation mode, the second air door 3 is in the fourth position, the second internal circulation air inlet 15 is in the open state, and the first air door 2 is in the fifth position; at this time, most of the air sucked into the air inlet box comes from hot air in the vehicle, and a small part of the air comes from cold air outside the vehicle. In the initial heating stage, the opening degree of the first air door 2 can be slightly smaller or not, and the air inlet box is in an internal circulation mode, so that the heating speed can be greatly increased; after the temperature in the vehicle rises, the opening of the first air door 2 is dynamically controlled through the first execution motor 4 to control the amount of cold air entering the vehicle, so that the fresh air in the vehicle can be ensured, the heating efficiency is improved, the heat loss can be effectively reduced, the energy consumption of the air conditioner is reduced, and the purpose of saving energy is achieved.
In some embodiments, the first damper 2 is disposed in the area between the first damper 2 and the first internal circulation air inlet 14, and the position of the first damper 2 is appropriately set, which is beneficial to reduce the volume of the air inlet box housing 1.
In some embodiments, the second damper 3 is disposed in the area between the first internal circulation intake 14 and the second internal circulation intake 15, and the position of the second damper 3 is properly set, which is beneficial to reduce the volume of the air inlet box housing 1.
In some embodiments, the air inlet box further comprises a first actuator motor 4 for driving the first damper 2 to rotate and a second actuator motor 5 for driving the second damper 3 to rotate. The power output end of the first actuating motor 4 and the rotating shaft part of the first air door 2 can be in transmission connection through a gear pair, and the power output end of the second actuating motor 5 and the rotating shaft part of the second air door 3 can be in transmission connection through a gear pair.
In some embodiments, to filter the air output from the inlet box, a filter screen 6 is disposed within the inlet box housing 1, the filter screen 6 being spaced between the inlet side of the inlet box housing 1 and the outlet side of the inlet box housing 1. Further, a plug-in mounting opening for plugging a filter screen 6 is formed in the air inlet box shell 1, and a cover plate 7 is detachably mounted at the plug-in mounting opening. Specifically, the cover plate 7 is fixedly connected to the plug-in connector in a clamping manner.
In some embodiments, each of the first damper 2 and the second damper 3 includes a plate body and a rotation shaft portion provided at one side edge of the plate body. Specifically, a first pivot hole pivoted with the pivot part of the first air door 2 and a second pivot hole pivoted with the pivot part of the second air door 3 are arranged in the air inlet box shell 1.
In some embodiments, a blocking portion 17 for blocking the second air door 3 is disposed in the air inlet box housing 1, when the second air door 3 is supported on the blocking portion 17, the second air door 3 is in the fourth position, and the blocking portion 17 is configured to support the second air door 3, so that the second air door 3 can work more stably.
In some embodiments, the air inlet box housing 1 is formed by fixedly connecting a first shell 11 and a second shell 12.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Claims (7)
1. An air inlet box is characterized by comprising an air inlet box shell, a first air door and a second air door, wherein the first air door and the second air door are both plate-shaped air doors, the first air door and the second air door are both rotatably arranged in the air inlet box shell,
the air inlet side of the air inlet box shell is sequentially provided with an external circulation air inlet, a first internal circulation air inlet and a second internal circulation air inlet, the air outlet side of the air inlet box shell is provided with an air outlet,
the first air door is used for adjusting the opening degrees of the outer circulation air inlet and the first inner circulation air inlet, and the first air door can rotate between a first position and a second position; when the first air door is located at a first position, the first air door closes the external circulation air inlet, and the first internal circulation air inlet is in an open state; when the first air door is located at the second position, the first air door closes the first internal circulation air inlet, and the external circulation air inlet is in an open state;
the second air door is used for adjusting the opening degree of the second internal circulation air inlet and is arranged to be capable of rotating between a third position and a fourth position; when the second air door is located at the third position, the second air door closes the second internal circulation air inlet; and when the second air door is at the fourth position, the second internal circulation air inlet is in an open state.
2. The air inlet box according to claim 1, wherein said first damper is disposed at a region between said first damper and said first inner circulation inlet.
3. The air inlet box according to claim 1, wherein said second damper is disposed at a region between said first internal circulation air inlet and said second internal circulation air inlet.
4. The air inlet box according to claim 1, further comprising a first actuator for driving the first damper to rotate and a second actuator for driving the second damper to rotate.
5. The air inlet box according to claim 1, wherein a filter screen is disposed within said air inlet box housing, said filter screen being spaced between an air inlet side of said air inlet box housing and an air outlet side of said air inlet box housing.
6. The air inlet box according to claim 1, wherein each of the first air door and the second air door comprises a plate body and a rotating shaft portion arranged at one side edge of the plate body.
7. The air inlet box according to claim 1, wherein a blocking portion for blocking said second damper is provided in said air inlet box housing, and said second damper is in a fourth position when said second damper is supported on said blocking portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221521157.5U CN217553634U (en) | 2022-06-17 | 2022-06-17 | Air inlet box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221521157.5U CN217553634U (en) | 2022-06-17 | 2022-06-17 | Air inlet box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217553634U true CN217553634U (en) | 2022-10-11 |
Family
ID=83500960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221521157.5U Active CN217553634U (en) | 2022-06-17 | 2022-06-17 | Air inlet box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217553634U (en) |
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2022
- 2022-06-17 CN CN202221521157.5U patent/CN217553634U/en active Active
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