CN222859168U - Car air conditioning temperature linear adjustment structure - Google Patents
Car air conditioning temperature linear adjustment structure Download PDFInfo
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- CN222859168U CN222859168U CN202421955968.5U CN202421955968U CN222859168U CN 222859168 U CN222859168 U CN 222859168U CN 202421955968 U CN202421955968 U CN 202421955968U CN 222859168 U CN222859168 U CN 222859168U
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Abstract
本实用新型属于汽车空调技术领域，涉及一种汽车空调温度线性调整结构，包括分配箱左中壳体、分配箱右中壳体、分配箱左壳体以及分配箱右壳体，所述分配箱左中壳体和分配箱右中壳体组合而成的分配箱中壳体的腔体内形成后流道，并将后流道分隔为沿风流方向依次布置的冷风流道和混合流道以及与冷风流道并联的热风流道，所述冷风流道和热风流道通过后混合风门与混合流道连通，所述分配箱左壳体和分配箱右壳体分别在安装在分配箱中壳体两侧，并在分配箱中壳体的顶部形成除霜风口，在所述后流道的顶部与后混合风门对应位置处设有连通除霜风口的冷风泄流口，以使得冷风流道中的部分冷风经冷风泄流口进入除霜风口，进而提高后排出风口的温度。
The utility model belongs to the technical field of automobile air-conditioning, and relates to a temperature linear adjustment structure of an automobile air-conditioning, comprising a left middle shell of a distribution box, a right middle shell of a distribution box, a left shell of a distribution box and a right shell of a distribution box, a rear flow channel is formed in the cavity of the middle shell of the distribution box formed by combining the left middle shell of the distribution box and the right middle shell of the distribution box, and the rear flow channel is divided into a cold air flow channel and a mixing flow channel arranged in sequence along the wind direction, and a hot air flow channel connected to the cold air flow channel, the cold air flow channel and the hot air flow channel are connected to the mixing flow channel through a rear mixing damper, the left shell of the distribution box and the right shell of the distribution box are respectively installed on both sides of the middle shell of the distribution box, and a defrost air outlet is formed on the top of the middle shell of the distribution box, and a cold air discharge port connected to the defrost air outlet is provided at the top of the rear flow channel and at a position corresponding to the rear mixing damper, so that part of the cold air in the cold air flow channel enters the defrost air outlet through the cold air discharge port, thereby increasing the temperature of the rear exhaust air outlet.
Description
Technical Field
The utility model belongs to the technical field of automobile air conditioners, and relates to a temperature linear adjusting structure of an automobile air conditioner.
Background
The traditional automobile air conditioner distribution box structure is divided into a left warm air distribution box shell, a left middle warm air distribution box shell, a right middle warm air distribution box shell and a right warm air distribution box shell, three independent air channels are formed, then the cold air and hot air proportion of each region is adjusted through the opening degree of a cold air door and a hot air door of each channel, so that the temperature adjustment of three space regions of primary driving/rear row/secondary driving is realized, and the automobile air conditioner with three temperature regions is realized. In each flow path, a cold and warm air damper (or called a blend air damper) is typically provided. The opening of the air doors is controlled by a motor or a mechanical device to adjust the proportion of cold air and warm air entering the flow channel. Therefore, the temperatures of the main driving area, the auxiliary driving area and the rear-row area can be respectively adjusted according to the requirements of passengers.
However, the traditional back flow channel is a closed structure, and meanwhile, the cold and hot air door of the back row is controlled in a linkage way along with the cold and hot air door of the main driving side and cannot be controlled independently, but the temperature difference between the air outlet temperatures of the back row and the front row main/auxiliary driving area is large, so that the environment temperature of the front row main/auxiliary driving area is high under the heating requirement of the whole car, the temperature of the back row passenger area is low, and the comfort of the back row passengers is seriously influenced. If the foot blowing mode of the whole vehicle is adopted, the front row main driving side and the auxiliary driving side are high in foot blowing air outlet temperature, and the rear row foot blowing air outlet temperature is low, so that the temperature difference between the front row area and the rear row area of the whole vehicle is large, and the complaint of passengers in the rear row is caused.
Disclosure of utility model
In view of the above, the present utility model aims to provide a temperature linear adjustment structure of an air conditioner for a vehicle, so as to solve the problem of large temperature difference between a front row area and a rear row area of the whole vehicle under the heating requirement of the whole vehicle, so that the heating requirement of passengers in the rear row area is met, meanwhile, the front row area is not affected, the drivers and passengers in the front/rear row areas feel the same temperature of air outlet, and the comfort of the whole vehicle is improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a linear adjustment structure of vehicle air conditioner temperature, includes the middle casing in the left side of the distribution box, the middle casing in the right side of the distribution box, the middle casing in the left side of the distribution box and the right side of the distribution box are combined to form the back runner in the cavity of the middle casing in the distribution box that forms to separate the back runner into cold wind runner and mixed runner and the parallelly connected hot-blast runner of cold wind runner that arranges in proper order along the wind flow direction, cold wind runner and hot-blast runner pass through back mixed air door and mixed runner intercommunication, the middle casing both sides in the distribution box are installed respectively to the left side of the distribution box and the right side of the distribution box casing in the top of distribution box forms the defrosting wind gap in the top of back runner and the corresponding position department of back mixed air door are equipped with the cold wind leakage mouth of intercommunication defrosting wind gap, so that part cold wind in the cold wind runner gets into the defrosting wind gap through cold wind leakage mouth, and then improves the temperature of back air outlet.
Further, a dark flow channel communicated with the defrosting air port is further arranged at the outlet of the hot air flow channel, so that part of hot air in the hot air flow channel enters the defrosting air port through the dark flow channel.
Further, a first linear feature perpendicular to the axis of the cold air leakage port is arranged at the cold air leakage port so as to limit the opening size of the cold air leakage port.
Further, the cold air leakage port is provided with a second linear characteristic which is connected with the first linear characteristic and is parallel to the axis of the cold air leakage port, so that a ventilation duct communicated with the cold air leakage port is formed in the defrosting air port, and the ventilation duct is matched with a defrosting air door in the defrosting air port, so that the opening and closing of the ventilation duct and the opening proportion are realized through the defrosting air door.
Further, the first linear feature and the second linear feature are two, and are respectively and symmetrically arranged on the left middle shell of the distribution box and the right middle shell of the distribution box in a mirror image mode.
Further, the first linear characteristic is set as a rib plate perpendicular to the axis of the cold air leakage opening, and the two first linear characteristics respectively arranged on the left middle shell of the distribution box and the right middle shell of the distribution box are combined to form the cold air leakage opening.
Further, the second linear feature is a vertical plate with an L-shaped section, one end of the vertical plate is fixedly connected with the first linear feature, the other end of the vertical plate is in interference fit connection with the defrosting air door, and after the second linear features are combined, the two vertical plates are respectively arranged on the left middle shell of the distribution box and the right middle shell of the distribution box, a ventilation duct in interference fit connection with the defrosting air door is formed by surrounding the vertical plate with the side wall of the defrosting air port.
Further, the outlet of the dark flow passage is positioned at the center of the cold air leakage port and is communicated with the ventilation pore passage, and the outer diameter of the dark flow passage is smaller than the inner diameter of the cold air leakage port, so that cold air and hot air in the rear flow passage can be discharged into the defrosting air port through the ventilation pore passage.
The utility model has the beneficial effects that:
The utility model provides a linear temperature adjusting structure of an automobile air conditioner, which is characterized in that a cold air leakage port communicated with a defrosting air port is additionally arranged at the top of a rear runner in a shell in a distribution box, the caliber of the cold air leakage port is limited by a first linear characteristic to control the air quantity of the cold air leakage port, a ventilation pore channel communicated with the cold air leakage port is formed by a second linear characteristic and matched with a defrosting air door in the defrosting air port, so that the opening and closing of the ventilation pore channel and the opening degree are realized by the defrosting air door, and a dark runner communicated with the defrosting air port is further arranged at the outlet of the hot air runner, so that part of hot air in the hot air runner enters the defrosting air port through the dark runner, the hot air entering the rear mixing air door and the mixing air duct is further reduced, and the situation that the rear air outlet is overheated under the requirement of whole automobile heating is avoided, or the phenomenon that the temperature difference of the discharged air flow in the defrosting air port is larger due to the fact that excessive cold air in the rear runner is discharged into the defrosting air port is avoided.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in the following preferred detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic perspective view of a temperature linear adjusting structure of an air conditioner of an automobile (a left middle shell of a distribution box) in an embodiment;
Fig. 2 is a schematic structural diagram of a temperature linear adjusting structure of an air conditioner of an automobile (a right middle shell of a distribution box) in an embodiment;
FIG. 3 is a schematic cross-sectional view of a temperature linear adjusting structure of an air conditioner of an automobile according to an embodiment;
Fig. 4 is a schematic diagram of a partial structure of a temperature linear adjustment structure (cold air leakage port) of an automotive air conditioner according to an embodiment.
The reference numerals comprise an evaporator 1, a rear mixing air door 2, a left middle distributing box shell 3, a defrosting air door 4, a rear blowing face air door 5, a rear blowing foot air door 6, a warm air core 7, a warm air PTC8, a dark flow passage 9, a first linear characteristic 10, a second linear characteristic 11, a left middle distributing box shell 12 and a cold air leakage opening 13.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present utility model by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
In which the drawings are for illustrative purposes only and are not intended to be construed as limiting the utility model, and in which certain elements of the drawings may be omitted, enlarged or reduced in order to better illustrate embodiments of the utility model, and not to represent actual product dimensions, it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., the directions or positional relationships indicated are based on the directions or positional relationships shown in the drawings, only for convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the referred devices or elements must have a specific direction, be constructed and operated in a specific direction, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present utility model, and that the specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-4, an automobile air conditioner temperature linear adjusting structure comprises a left middle distribution box shell 3 and a right middle distribution box shell 12 which is in mirror symmetry with the left middle distribution box shell 3, wherein a rear flow channel is formed in a cavity of the middle distribution box shell formed by combining the left middle distribution box shell 3 and the right middle distribution box shell 12, the rear flow channel is divided into a cold air flow channel, a mixing flow channel and a hot air flow channel which are sequentially arranged along the air flow direction, the cold air flow channel and the hot air flow channel are communicated with the mixing flow channel through a rear mixing air door 2, cold air and hot air are switched and mixed, a rear blowing face air port and a rear blowing foot air port are arranged at an outlet of the mixing flow channel, and a rear blowing face air door 5 and a rear blowing foot air door 6 are respectively arranged in the rear blowing face air port and the rear blowing foot air port.
An evaporator and a heating and ventilation device are sequentially arranged on the shell in the distribution box along the air flow direction, the heating and ventilation device is matched with the hot air flow channel, and specifically, the heating and ventilation device comprises a heating core 7 and a heating PTC8.
The distribution box in the automobile air conditioner further comprises a distribution box left shell and a distribution box right shell which are respectively arranged on two sides of the shell in the distribution box, after the distribution box left shell and the distribution box right shell are assembled with the shell in the distribution box, a defrosting air port which is not communicated with the back flow channel is formed at the top of the shell in the distribution box of the distribution box, and a channel connected with the left flow channel and the right flow channel is arranged in the defrosting air port.
The distribution box structure is a distribution box structure distributed by a left runner, a rear runner and a right runner in the prior art, and because the rear runner is of a closed structure, the rear mixing air door 2 is in linkage control with the left mixing air door in the left runner, the temperature of a rear air outlet is realized by adjusting the opening angle of the rear mixing air door 2, the air outlet temperature of the main machine side is adjusted at the opening angle of the left mixing air door, meanwhile, the opening angle of the rear mixing air door 2 is the same as that of the left mixing air door, when the opening angles of the rear mixing air door and the left mixing air door are the same, cold air in the rear runner fully enters the mixing runner in the rear runner through the cold air runner and the hot air runner through the rear mixing air door, and part of cold air in the left runner flows out through a defrosting air port or other air ports, so that the front air outlet temperature is higher than the rear air outlet temperature.
Specifically, one end of the rear mixing damper 2 is rotationally connected with the right middle shell of the distribution box, the other end of the rear mixing damper is rotationally connected with the left middle shell of the distribution box, a cylindrical structure with a fan-shaped section is adopted, a curved surface part faces to the outlet of the hot runner to be used as a sealing structure of the hot runner, two sides of the curved surface are hollow U-shaped structures to form an air flue, and fan-shaped grooves matched with the rotation areas of the rear mixing damper 2 are formed in the right middle shell of the distribution box and the left middle shell of the distribution box;
As shown in fig. 2, this state is a mixed state of the rear mixing damper 2, in which the curved surface structure of the rear mixing damper 2 is mainly closed to the cold air flow channel, and cold air flows into the mixed flow channel only through the hollow structures on both sides of the curved surface, and when the rear mixing damper 2 continues to rotate clockwise to the clockwise limit position, the hot air flow channel is completely opened and the cold air flow channel is closed, and the rear flow channel enters the total heat state, and when the rear mixing damper rotates counterclockwise to the limit position, the hot air flow channel is completely closed and the cold air flow channel is completely opened, and the rear flow channel enters the total cold state.
The key point of the embodiment is that a cold air leakage port 13 communicated with a defrosting air port is arranged at the position of the top of the rear flow passage corresponding to the rear air mixing door 2, so that part of cold air in the cold air flow passage enters the defrosting air port through the cold air leakage port 13, and then the cold air entering the mixed air passage through the rear air mixing door 2 is reduced, and the temperature of the rear air outlet is improved;
A first linear characteristic 10 perpendicular to the axis of the cold air leakage opening is arranged at the cold air leakage opening so as to limit the opening size of the cold air leakage opening and further control the air flow size of the cold air leakage opening;
The side of the cold air leakage port far away from the rear flow passage is provided with a second linear feature 11 which is connected with the first linear feature 10 and is parallel to the axis of the cold air leakage port so as to form a ventilation duct communicated with the cold air leakage port in the defrosting air port, and the ventilation duct is matched with the defrosting air door 4 in the defrosting air port so as to realize the opening and closing of the ventilation duct and the opening degree through the defrosting air door 4, thereby changing the adjustment of different proportions of cold air and hot air of the rear air outlet and realizing the reduction of the temperature difference of front/rear air outlet in different modes.
Specifically, the first linear feature 10 and the second linear feature 11 are two, and are respectively and mirror-symmetrically arranged on the left middle shell 3 of the distribution box and the right middle shell of the distribution box;
the first linear features 10 are arranged to be perpendicular to the axis of the cold air leakage opening 13 and are provided with notched rib plates, the two first linear features 10 respectively arranged on the left middle shell 3 of the distribution box and the right middle shell of the distribution box are combined to form a cold air leakage opening with a special-shaped hole site, and the width of the rib plates is controlled to limit the opening size of the cold air leakage opening;
The second linear feature 11 is a vertical plate with an L-shaped section, one end of the vertical plate is fixedly connected with the first linear feature 10, the other end of the vertical plate is in interference fit connection with the defrosting air door 4, and two second linear features 11 respectively arranged on the left middle shell 3 of the distribution box and the right middle shell of the distribution box are combined and then form a ventilation duct which is in interference fit connection with the defrosting air door 4 through surrounding with the side wall of the defrosting air door, so that the defrosting air door 4 can adjust the air output of the ventilation duct, and the front/rear row temperature difference requirement can be met under the condition that the air distribution ratio is different under different modes.
In this embodiment, the outlet of the hidden channel 9 is located at the center of the cold air leakage port and is communicated with the ventilation duct, and the outer diameter of the hidden channel 9 is smaller than the inner diameter of the cold air leakage port, so that cold air and hot air in the rear channel can be discharged into the defrosting air port through the ventilation duct, and further, the situation that rear-row overheat occurs under the condition of the heating requirement of the whole vehicle is avoided.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421955968.5U CN222859168U (en) | 2024-08-13 | 2024-08-13 | Car air conditioning temperature linear adjustment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421955968.5U CN222859168U (en) | 2024-08-13 | 2024-08-13 | Car air conditioning temperature linear adjustment structure |
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| Publication Number | Publication Date |
|---|---|
| CN222859168U true CN222859168U (en) | 2025-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421955968.5U Active CN222859168U (en) | 2024-08-13 | 2024-08-13 | Car air conditioning temperature linear adjustment structure |
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|---|---|
| CN (1) | CN222859168U (en) |
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2024
- 2024-08-13 CN CN202421955968.5U patent/CN222859168U/en active Active
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