Air handling unit structure for vehicle

Abstract

The utility model relates to the field of automobile air conditioning systems, in particular to an automobile air conditioning box structure which comprises a distributor shell, and a hot air channel is arranged in the distributor shell. A flow guide mechanism is arranged in the hot air channel and comprises an air guide plate arranged in the hot air channel. The flow guide mechanism is arranged at the tail of the hot air channel, so that hot air can be scattered, the hot air is prevented from being extruded to the edge position of the flow channel on the inner wall of the shell by cold air even if the hot air quantity is small in subsequent use, and the cold air and the hot air can be better mixed, so that the temperature difference of each air outlet during subsequent air outlet is reduced, and the service life of the air conditioner is prolonged. And meanwhile, the trend that the temperature of the air outlet rises along with the increase of the opening degree of the mixing air door is improved, and a temperature curve becomes smoother.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile air conditioning system, and specifically is a vehicle air conditioner box structure. BACKGROUND

[0002] In order to the comfort of passenger, the temperature difference of the same type air outlet of automobile air conditioner is better and better, and the size of temperature difference depends on the air deflector structure in air conditioner box, the air resistance of whole vehicle air duct and other factors, and the temperature difference of air outlet of automobile air conditioner is an important performance index of air conditioner box.

[0003] The mixed air door of the existing air conditioner box is in the process from full cold to full heat, when the opening of mixed air door is very small, the mixed air area of air conditioner box presents the characteristics of strong cold air and weak hot air, at this time, hot air is basically squeezed to the position near the inner wall of shell, and does not mix with cold air fully, which leads to the temperature inconsistency of each air outlet, when the mixed air door is opened to about half, at this time, cold and hot air intensity is equivalent, and cold and hot air will converge and mix, under this working condition, the temperature difference of each air outlet will be reduced.

[0004] Although the existing technology has some air deflection technology, but the existing air deflection efficiency is not high, and the mixing uniformity of hot air and cold air cannot be solved when the opening of mixed air door is very small.

[0005] The existing patent 202323564254.X - a kind of automobile cooling and heating air conditioner HVAC assembly does not explicitly disclose the technical content for solving the above technical problems.

[0006] Therefore, in order to improve or solve the above at least one problem, it is necessary to optimize the design of the existing air conditioner box structure. INVENTION CONTENTS

[0007] The utility model aims at providing a kind of vehicle air conditioner box structure that can better guarantee the mixing uniformity of hot air and cold air.

[0008] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0009] A kind of vehicle air conditioner box structure, including distributor shell, the hot air passage is equipped in the distributor shell;The flow guide mechanism is equipped in the hot air passage, and the flow guide mechanism includes the air deflector plate being arranged in the hot air passage.

[0010] The air deflector plate is pressed on the inner wall of hot air passage at both ends;

[0011] The air deflector plate is connected with the distributor shell by connecting structure;

[0012] The connecting structure comprises a fixing mechanism, the fixing mechanism comprises a fastening hole arranged on the distributor shell and a fixing hole arranged on the air deflector; the air deflector is connected to the fastening hole of the distributor shell through the fixing hole by a fastener.

[0013] The connecting structure further comprises a clamping mechanism, the clamping mechanism comprises a clamping protrusion arranged on the inner wall of the distributor shell and a clamping groove arranged on the end of the air deflector; the air deflector is clamped to the clamping protrusion on the distributor shell through the clamping groove.

[0014] The clamping mechanism and the fixing mechanism are distributed on both ends of the air deflector.

[0015] The vertical section of the clamping groove and the clamping protrusion are both rectangular.

[0016] The air deflector comprises an air deflector body, and a reinforcing rib is arranged on the air deflector body; the reinforcing rib is arranged along the length direction of the air deflector body.

[0017] At least one end of the air deflector body is provided with a matching edge.

[0018] The air deflector body comprises a first plate body and a second plate body connected with the first plate body, the second plate body is an arc-shaped plate; the first plate body is arranged in the hot air channel.

[0019] The outer side surface of the first plate body away from the second plate body is an outer arc-shaped surface; the first plate body is matched with the inner wall of the hot air channel.

[0020] The air deflector has the advantages that:

[0021] The utility model discloses a vehicle air conditioner box structure.

[0022] The utility model discloses a kind of air deflector, it is arranged in the hot air channel tail part, can realize the dispersion of hot air, avoid subsequent use, even when hot air volume is little, hot air also cannot be squeezed to the edge position of shell inner wall flow channel by cold air, can let hot and cold air better mix, so as to reduce the temperature difference of each air outlet when subsequent air outlet, simultaneously improve the trend that the temperature of air outlet increases with the increase of mixed air door opening degree, let temperature curve become more gentle. BRIEF DESCRIPTION OF DRAWINGS

[0023] The contents expressed by each drawing of the utility model specification and the marks in the drawing are briefly described as follows:

[0024] Figure 1 It is the structure schematic diagram of the utility model.

[0025] Figure 2 It is the structure schematic diagram of the distributor shell in the utility model.

[0026] Figure 3 It is a structure schematic view of the air deflector in the utility model.

[0027] Figure 4 It is a structure schematic view of the air deflector in the left shell of the distributor in the utility model.

[0028] Figure 5 It is a structure schematic view of the air deflector in the right shell of the distributor in the utility model.

[0029] The marks in the above-mentioned drawing are as follows:

[0030] 1, air deflector, 2, reinforcing rib, 3, fit edge, 4, clamping groove, 5, distributor shell. Specific implementation

[0031] The specific implementation of the utility model will be further explained in detail by the description of the optimal embodiment with reference to the drawings.

[0032] A vehicle air conditioner box structure, including distributor shell 5, the distributor shell 5 is equipped with hot air passage 51;The hot air passage 51 is equipped with flow guide mechanism, the flow guide mechanism includes the air deflector 1 arranged in hot air passage 51;The utility model discloses a flow guide mechanism is arranged at the tail of hot air passage 51, can realize the dispersion of hot air, avoids subsequent use, even when the hot air volume is small, hot air will not be squeezed to the edge position of the flow channel of the inner wall of shell by cold air, can make cold and hot air better mixing, thereby reducing the temperature difference of each air outlet when subsequent air outlet, simultaneously improves the trend that the temperature of air outlet increases with the opening degree of mixed air door increases, makes the temperature curve more gentle.

[0033] In the utility model vehicle air conditioner box structure mainly includes distributor shell 5, when conventional design, vehicle air conditioner box structure includes two distributor shell 5, generally divides into distributor left shell and distributor right shell, and two shells are oppositely arranged.

[0034] In the utility model, the hot air passage 51 is arranged in the distributor shell 5, and is mainly used for the flow direction of hot air.

[0035] The flow guide mechanism disclosed by the utility model is mainly arranged at the tail end of the hot air passage 51, which facilitates the dispersion of hot air flow in the hot air passage 51, facilitates the mixing of cold air flow subsequently, and avoids hot air from being squeezed to the edge position of the flow channel of the inner wall of the shell when the hot air flow is small.

[0036] Further, in the utility model, the air deflector 1 is pressed on the inner wall of the hot air channel 51 at both ends; the air deflector 1 is attached to the inner wall of the hot air channel 51 on opposite sides at both ends, and the air deflector 1 is arranged in parallel with the airflow direction; based on this design, the air deflector 1 can play the above-mentioned role while reducing the influence of the air deflector 1 on the normal flow of hot air.

[0037] Meanwhile, in the utility model, the air deflector 1 is connected with the distributor shell 5 through a connecting structure; the connecting structure facilitates the arrangement and installation of the air deflector 1 in the distributor shell 5.

[0038] In addition, in the utility model, the connecting structure comprises a fixing mechanism; the fixing mechanism plays a good locking and fixing role, and facilitates the installation and fixing of the air deflector 1 on the inner wall of the distributor shell 5.

[0039] Specifically, in the utility model, the fixing mechanism comprises a fastening hole 53 arranged on the distributor shell 5 and a fixing hole 12 arranged on the air deflector 1; the air deflector 1 is connected to the fastening hole 53 of the distributor shell 5 through a fastener passing through the fixing hole 12; the fastening hole 53 is a threaded hole, the fixing hole 12 can be a light hole, the fastener can be a fastening screw, and the screw is screwed into the fastening hole 53 of the distributor shell 5 through the fixing hole 12 on the air deflector 1; in addition, in order to facilitate the arrangement of the fixing hole 12, a protrusion can be arranged on the inner wall of the hot air channel 51 to facilitate the arrangement and installation of the fixing hole 12.

[0040] Further, in the utility model, the connecting structure further comprises a clamping mechanism; the clamping mechanism mainly plays a mounting and positioning role, and better ensures the stability and accuracy of the arrangement position of the air deflector 1 in the hot air channel 51.

[0041] Specifically, in the utility model, the clamping mechanism comprises a clamping protrusion 52 arranged on the inner wall of the distributor shell 5 and a clamping groove 4 arranged at the end of the air deflector 1; the air deflector 1 is clamped on the clamping protrusion 52 of the distributor shell 5 through the clamping groove 4; the clamping protrusion 52 and the clamping groove 4 are used in cooperation to facilitate the clamping and limiting of the end of the air deflector 1 in the hot air channel 51; and the clamping mechanism facilitates the installation and fixing of the air deflector 1 in the distributor shell 5.

[0042] Further, the clamping mechanism and the fixing mechanism are arranged at two ends of the air deflector 1; based on the above design, one end of the air deflector 1 can be clamped on the distributor shell 5, and the other end is connected to the distributor shell 5 through a fastener; based on the above design, the air deflector 1 only needs one end to be subsequently screwed and fixed, thereby reducing the trouble of screwing; meanwhile, the fastening is too close to the inner wall of the distributor shell 5, so that the existence of the side wall of the distributor shell 5 affects the normal screwing operation.

[0043] That is, one end of the air deflector 1 is connected to the distributor shell 5 in a clamping manner, and the other end is fixedly connected to the distributor shell 5 through the fixing mechanism; such a design can well reduce the assembly difficulty of the air deflector 1 and improve the assembly efficiency of the air deflector 1.

[0044] Further, the vertical section of the clamping groove 4 and the clamping protrusion 52 is rectangular; based on such a setting, the clamping groove 4 and the clamping protrusion 52 have self-limiting capability, thereby avoiding rotation of the air deflector 1 around the clamping protrusion 52.

[0045] Meanwhile, the clamping groove 4 is generally designed as a sunken groove structure; such a setting can avoid the air deflector 1 from passing through the clamping protrusion 52.

[0046] Further, the air deflector 1 comprises an air deflector body 11, which is the main structure of the air deflector 1; additionally, the air deflector body 11 is provided with a reinforcing rib 2 in the utility model; the reinforcing rib 2 is arranged along the length direction of the air deflector body 11; the reinforcing rib 2 plays a good reinforcing role, guarantees the structural strength of the air deflector body 11, and avoids deformation and collapse of the air deflector body 11.

[0047] Further, at least one end of the air deflector body 11 is provided with a matching edge 3; the matching edge 3 disclosed in the utility model increases the contact area of the air deflector 1 and the hot air channel 51; plays a good limiting and positioning role; further better guarantees the stability of the position of the air deflector 1 during installation with the distributor shell 5; avoids overturning of the air deflector 1 in the hot air channel 51, and reduces the abnormal noise of the air conditioning assembly caused by shaking of the air deflector 1 during subsequent operation of the air conditioning assembly.

[0048] Further, the air deflector body 11 comprises a first plate body 111 and a second plate body 112 connected with the first plate body 111; the first plate body 111 is arranged in the hot air channel 51; in the utility model, the first plate body 111 mainly plays a partitioning and blocking role, optimizes the mixing of hot air and cold air, and enables the cold and hot air to be better mixed.

[0049] Meanwhile, the second plate body 112 is an arc-shaped plate in the utility model; based on the above design, the second plate body 112 has a corner, and the corner formed by the second plate body 112 on the air deflector 1 can be clamped at the corner of the hot air channel 51 during subsequent use; based on the above design, the position of the air deflector 1 can be better limited; the accuracy and stability of the installation and placement position of the air deflector 1 are ensured.

[0050] Further, the outer side face of the first plate body 111 away from one end of the second plate body 112 is an outer arc-shaped face; the first plate body 111 is attached to the inner wall of the hot air channel 51; such a design ensures the tightness of the attachment of the first plate body 111 to the inner wall of the hot air channel 51, and the inner wall of the hot air channel 51 can limit the position of the first plate body 111, better ensuring the stability of the arrangement of the air deflector 1 in the hot air channel 51.

[0051] A kind of assembly method of vehicle air conditioner box structure, the assembly method includes the following steps:

[0052] Step 1: determine the distributor housing 5 to be assembled and flow guide mechanism;

[0053] Step 2: the distributor housing 5 is placed on the plane, and keeps horizontal state;

[0054] Step 3: first, the flow guide mechanism is connected on the distributor housing 5 by clamping mechanism, then is fixed on the distributor housing 5 by fastening mechanism;

[0055] Step 4: after step 3 is completed, the assembly between one distributor housing 5 and flow guide mechanism is completed, if it needs to repeat assembly, repeat step 1-3.

[0056] The utility model is based on above operation steps, and the assembly installation of flow guide mechanism in the distributor housing 5 is facilitated. Specific embodiments:

[0058] The utility model discloses a kind of vehicle air conditioner box structures, mainly including distributor housing 5, the hot air channel 51 is equipped in the distributor housing 5;The hot air channel 51 is equipped with flow guide mechanism, and the flow guide mechanism includes the air deflector 1 arranged in the hot air channel 51.

[0059] The utility model adds an air deflector 1 inside the distributor housing 5, the air deflector 1 is located at the end of the hot air channel 51, currently prevents mixed air door opening small, hot air is less, hot air cannot be squeezed to the edge position of shell inner wall flow channel by cold air, so that cold and hot air is fully mixed, thereby reducing the temperature difference of each air outlet, simultaneously improve the trend that outlet temperature increases with the increase of mixed air door opening, make temperature curve become more gentle.

[0060] Specific installation:

[0061] The distributor housing 5 is divided into a distributor left housing and a distributor right housing based on different installation positions.

[0062] The connection of the distributor left housing and the guide mechanism is as follows:

[0063] First, the distributor left housing is placed horizontally on a plane to facilitate the assembly of the sample;

[0064] A clamping protrusion 52 or a clamping groove is arranged on the inner wall of the hot air channel 51 of the distributor left housing, and a clamping groove 4 or a protrusion is arranged on the air deflector 1, so as to facilitate the plug-in installation of the air deflector 1 in the distributor housing 5.

[0065] In actual installation, the air deflector 1 is generally required to be aligned with the clamping protrusion 52 on the distributor left housing obliquely, and the air deflector 1 is inserted into the clamping protrusion 52 of the distributor left housing.

[0066] When the air deflector 1 is assembled to the deepest position of the clamping protrusion 52, the air deflector 1 is pressed gently downwards along the inner wall of the hot air channel 51, and the fastening hole 53 on the air deflector 1 is aligned with the screw fastening hole 53 on the distributor left housing.

[0067] The air deflector 1 is fixed on the distributor left housing and cannot shake, and the air deflector 1 is fixed by screws, so that the air deflector 1 is well fixed on the distributor left housing 1.

[0068] The corresponding air deflector 1 is fixed on the distributor right housing by the same principle.

[0069] Based on the above design, in subsequent use, the mixed air in the mixing area is finally passed through the air deflector 1, the hot air and the cold air cannot be mixed unevenly with a small mixing door opening, and the cold and hot air in the mixing area can be mixed uniformly in the case of strong cold air and weak hot air, so that the temperature of the air outlet is relatively uniform, the temperature curve is more gentle, and the comfort of the user in the vehicle can be met.

[0070] The air conditioner box structure disclosed by the utility model mainly adds the air deflector 1 on the distributor left and right housings in the air conditioner box and fixes the air deflector 1 near the air outlet.

[0071] The air conditioner box structure disclosed by the utility model mainly improves the problem that the cold and hot air in the mixing area are not mixed well in the case of a small opening of the mixing door, finally leads to different air outlet temperatures of the air conditioner box in the same mode and the same type, causes linear difference, and finally leads to poor comfort of the user in the vehicle.

[0072] In the distributor left and right shell inside the air conditioner box, each additional air deflector 1, in the mixed air door opening is small, cold air and hot air in the mixing area is mixed well, eventually make the air conditioner box in each mode, the same type of outlet temperature is more uniform; This can be seen in the temperature linear, see the temperature curve becomes more gentle, ultimately meet the user's comfort needs.

[0073] At the same time also need to be fixed in the distributor left and right shell air deflector 1, avoid air deflector 1 in the process of vehicle, appear shaking, avoid the car have abnormal noise and other adverse phenomena.

[0074] The skilled person in the prior art under the premise of the new design concept, make a variety of variants and modifications, put forward various technical features of the utility model, structure a variety of combinations, all belong to this kind of same type of structure design, all in the scope of protection of infringement.

[0075] Obviously, the specific implementation of the utility model is not limited by the above-mentioned manner, as long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, which are within the protection scope of the utility model.

Claims

1. A vehicle air conditioning unit structure, characterized in that, The device includes a distributor housing, which has a hot air channel inside; the hot air channel has a flow guiding mechanism, which includes a guide plate disposed inside the hot air channel. The two ends of the air guide plate press against the inner wall of the hot air channel; The air guide plate is connected to the distributor housing via a connecting structure; The connection structure includes a fixing mechanism, which includes fastening holes on the dispenser housing and fixing holes on the air guide plate; the air guide plate is connected to the fastening holes on the dispenser housing by fasteners passing through the fixing holes. The connection structure also includes a snap-fit ​​mechanism, which includes a snap-fit ​​protrusion on the inner wall of the dispenser housing and a snap-fit ​​groove at the end of the air guide plate. The air guide plate is snapped onto the snap-fit ​​protrusion on the dispenser housing through the snap-fit ​​groove.

2. The vehicle air conditioning unit structure according to claim 1, characterized in that, The snap-fit ​​mechanism and the fixing mechanism are located at both ends of the air guide plate.

3. The vehicle air conditioning unit structure according to claim 1, characterized in that, The vertical cross-sections of both the snap-fit ​​groove and the snap-fit ​​protrusion are rectangular.

4. The vehicle air conditioning unit structure according to claim 1, characterized in that, The air guide plate includes an air guide plate body, on which reinforcing ribs are provided; the reinforcing ribs are arranged along the length direction of the air guide plate body.

5. The vehicle air conditioning unit structure according to claim 4, characterized in that, The air guide plate has a fitting edge at at least one end.

6. The vehicle air conditioning unit structure according to claim 4, characterized in that, The air guide plate includes a first plate and a second plate connected to the first plate, the second plate being an arc-shaped plate; the first plate is arranged inside the hot air channel.

7. The vehicle air conditioning unit structure according to claim 6, characterized in that, The outer side of the first plate away from the second plate is an outer arc-shaped surface; the first plate is in contact with the inner wall of the hot air channel.

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