Air conditioner evaporator assembly for special vehicle

Abstract

The utility model relates to a special car air conditioner evaporator assembly, which relates to the technical field of car air conditioners, and comprises an evaporator box body arranged below a seat, an evaporator core body arranged in the evaporator box body and a fan arranged on the evaporator box body, the evaporator box body is provided with an air duct for leading out air quantity, the evaporator core body is connected with a pipeline, and the fan is connected with the pipeline. And the pipeline extends into the partition wall in the vehicle. The evaporator box body is installed below the seat, the fan is started to blow airflow into the evaporator core body and then flows out of the air duct to refrigerate the space in the loading chamber, so that the refrigeration effect of the special vehicle is improved, the evaporator assembly is installed by utilizing the space below the seat, the original loading space is not influenced while the refrigeration effect is improved, and the use is convenient. And the evaporator assembly can be mounted and overhauled by opening the seat, so that the mounting and overhauling convenience of the evaporator assembly is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile air conditioner, especially to a special vehicle air conditioner evaporator assembly. BACKGROUND

[0002] The special vehicle is the automobile that is equipped with the special equipment, has the special function, is used for bearing the special transport task or the special operation and other special purpose, the special vehicle can be divided into the sanitation special vehicle, the engineering special vehicle, the special special vehicle, the business special vehicle, the transport special vehicle and the military special vehicle according to the classification, for example snow vehicle, environmental protection monitoring vehicle, engineering exploration vehicle, ambulance, money transport vehicle, police car, fire engine, telecommunication vehicle, the evaporator assembly of the existing automobile air conditioner is relatively large, most are installed in the automobile cab, the interior loading space of this kind of automobile is relatively large, but the loading room mostly does not reserve the position of installing the evaporator assembly, thereby leading to the decline of the refrigeration effect of the whole vehicle, even if leaving the installation position of the evaporator assembly, the space is relatively narrow, when installing and maintaining, it is inconvenient to operate, thereby reducing the convenience of the installation of the special vehicle air conditioner evaporator assembly. SUMMARY

[0003] In order to improve the refrigeration effect of the special vehicle, improve the convenience of the installation of the evaporator assembly, the utility model provides a special vehicle air conditioner evaporator assembly.

[0004] The special vehicle air conditioner evaporator assembly provided by the application adopts the following technical scheme:

[0005] A special vehicle air conditioner evaporator assembly, comprising an evaporator box body installed below a seat, an evaporator core body arranged in the evaporator box body, and a fan arranged on the evaporator box body, the evaporator box body has an air duct for discharging air volume, the air blown by the fan flows out from the air duct after passing through the evaporator core body, the evaporator core body is connected with a pipeline, and the pipeline extends into an inner partition wall of the vehicle.

[0006] By adopting the above technical scheme, the evaporator box body is installed below the seat, the fan starts to blow air into the evaporator core body and then out from the air duct, the interior loading space of the loading room is refrigerated, thereby improving the refrigeration effect of the special vehicle, the evaporator assembly is installed by utilizing the space below the seat, the refrigeration effect is improved without affecting the original loading space, the evaporator assembly can be installed and maintained by opening the seat, thereby improving the convenience of the installation and maintenance of the evaporator assembly.

[0007] Optionally, the evaporator core body is vertically inserted into the evaporator box body, the evaporator core body divides the inner cavity of the evaporator box body into a first chamber and a second chamber, the fan is arranged on the outer wall of the evaporator box body and communicates with the first chamber, and the air duct communicates with the second chamber.

[0008] By adopting the technical scheme, the air blown by the fan passes through the first chamber and then the evaporator core to be cooled, and the cooled air passes through the second chamber and is blown out from the air duct, compared with the cooling mode of air suction, the probability of frost and ice blockage of the core due to poor ventilation is reduced, and the cooling effect of the evaporator assembly is improved.

[0009] Optionally, the second chamber is located between the first chamber and the in-vehicle partition wall, and the air duct extends vertically upward.

[0010] By adopting the technical scheme, the air duct is close to the in-vehicle partition wall and extends vertically upward, reducing the seat space occupied by the air duct.

[0011] Optionally, a protective cover for protecting the fan is detachably connected to the evaporator box.

[0012] By adopting the technical scheme, the fan is directly arranged on the evaporator box, without the need to additionally arrange a fan seat, thereby reducing the cost and improving the convenience of installation, the protective cover protects the fan, and during maintenance, the seat is opened, then the protective cover is detached, and the fan can be maintained and repaired, thereby improving the convenience of fan protection and maintenance.

[0013] Optionally, a limiting plate is arranged on the evaporator box, a limiting clamping groove for inserting the protective cover is arranged between the limiting plate and the evaporator box, and a limiting screw for locking the protective cover is arranged on the evaporator box.

[0014] By adopting the technical scheme, during installation, the protective cover is inserted into the limiting clamping groove, the limiting clamping groove positions the protective cover, the limiting screw is rotated to connect the protective cover and the evaporator box, and reverse operation can detach the protective cover, thereby improving the convenience of installation and detachment of the protective cover.

[0015] Optionally, the pipeline is in communication with the second chamber, and an expansion valve is arranged at one end of the in-vehicle partition wall, a connecting pipe is connected to the expansion valve, and the connecting pipe is used to connect an external pipeline.

[0016] By adopting the technical scheme, the pipeline is connected to the in-vehicle partition wall through the expansion valve and the connecting pipe, and the external pipeline is connected, thereby improving the convenience of pipeline connection and installation, hiding the pipeline in the in-vehicle partition wall reduces the probability of affecting the loading space due to pipeline installation, improves the cooling effect without affecting the original loading space, and opening the in-vehicle partition wall can maintain and repair the pipeline, thereby improving the convenience of pipeline installation and maintenance.

[0017] Optionally, the top end of the evaporator box is in an open state, a cover plate for shielding the opening is arranged on the top end of the evaporator box, and the air duct is arranged on the cover plate.

[0018] By adopting the technical scheme, during installation, the evaporator core is inserted into the evaporator box, and then the cover plate is buckled on the evaporator core. The cover plate not only protects the evaporator core, but also blocks the air volume. The air volume blown by the fan flows out through the air duct after being cooled by the evaporator core, thereby reducing the loss of air volume and improving the refrigeration effect.

[0019] Optionally, the cover plate is provided with an air conditioner switch, which is electrically connected with the fan and used for controlling the opening and closing of the fan and adjusting the speed of the fan.

[0020] By adopting the technical scheme, the fan is started and the speed is adjusted through the air conditioner switch during use, so that the refrigeration air volume meets the use demand.

[0021] Optionally, the lower surface of the evaporator box is provided with a connecting plate, and the connecting plate is detachably connected with the vehicle floor under the seat through connecting lug plates at both ends.

[0022] By adopting the technical scheme, after each component is installed on the evaporator box during installation, the connecting plate is pushed to make the evaporator box located under the seat, and the pipeline extends into the vehicle inner partition wall. Then, the connecting plate is connected with the vehicle floor under the seat through the connecting lug plates, so that the installation of the evaporator assembly is realized. The reverse operation can detach the evaporator assembly, thereby improving the convenience of installation and disassembly of the evaporator assembly.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. The evaporator box is installed under the seat. After the fan is started, the airflow is blown into the evaporator core and then flows out from the air duct, so that the space in the loading chamber is cooled, thereby improving the refrigeration effect of the special vehicle. By installing the evaporator assembly in the space under the seat, the refrigeration effect is improved without affecting the original loading space. The seat is opened to install and maintain the evaporator assembly, thereby improving the convenience of installation and maintenance of the evaporator assembly.

[0025] 2. The fan is directly arranged on the evaporator box, without the need for a separate fan seat, thereby reducing the cost and improving the convenience of installation. The fan is protected by the protective cover. During maintenance, the seat is opened, and then the protective cover is removed to maintain and repair the fan, thereby improving the convenience of fan protection and maintenance.

[0026] 3. The pipeline is connected to the external pipeline by the expansion valve and the adapter pipe, thereby improving the convenience of pipeline connection and installation. At the same time, the pipeline is hidden in the vehicle inner partition wall, thereby reducing the probability of affecting the loading space due to pipeline installation, improving the refrigeration effect without affecting the original loading space, and opening the inner partition plate to maintain and repair the pipeline, thereby improving the convenience of pipeline installation and maintenance.

[0027] 4. The device makes up the deficiency of the original refrigeration effect of the special vehicle, has simple structure and convenient loading and unloading. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a schematic diagram of the overall structure of the present application;

[0029] Figure 2 is a side view of the overall structure in the present application;

[0030] Figure 3 is a schematic diagram of the evaporator assembly in the present application, in which the cover plate and the protective cover are exploded;

[0031] Figure 4 is a schematic diagram of the positions of the first chamber and the second chamber in the present application;

[0032] Figure 5 is a schematic diagram of the structure of the protective cover in the present application;

[0033] Figure 6 is a schematic diagram of the structure of the limiting plate in the present application, in which the top of the protective cover is partially cut away;

[0034] Figure 7 is Figure 6 an enlarged schematic diagram of part A in the present application.

[0035] Reference signs: 1, seat; 11, mounting space; 12, interior partition wall; 2, evaporator box body; 21, limiting block; 22, first chamber; 23, second chamber; 24, cover plate; 25, mounting port; 26, air conditioner switch; 3, evaporator core body; 4, fan; 5, air duct; 6, pipeline; 61, air conditioner pipe; 62, drain pipe; 63, expansion valve; 64, adapter pipe; 7, connecting plate; 71, connecting lug plate; 8, protective cover; 81, abutting plate; 82, positioning plate; 83, plug-in plate; 84, heat dissipation hole; 9, limiting plate; 91, connecting part; 92, limiting part; 93, limiting slot. DETAILED DESCRIPTION

[0036] The following will be described in detail in combination with the accompanying Figures 1-7 The present application is further described in detail.

[0037] The present application discloses a special vehicle air conditioner evaporator assembly.

[0038] With reference to Figure 1 and Figure 2 , in the present embodiment, the special vehicle is taken as an example of an ambulance, a money transport vehicle, a special vehicle, etc., the indoor seats 1 of the special vehicle are distributed on both sides, the mounting space 11 is provided below the seats 1, the loading chamber vehicle plate is designed as a sandwich, has an interior partition wall 12, and the rear side of the seats 1 is connected with the loading chamber vehicle plate.

[0039] With reference to Figure 1 , Figure 2 and Figure 3 , a special vehicle air conditioner evaporator assembly, comprising an evaporator box 2 installed below the seat 1, an evaporator core 3 arranged in the evaporator box 2, and a fan 4 arranged on the evaporator box 2, the evaporator box 2 has an air duct 5 for discharging air volume, the air blown by the fan 4 flows out from the air duct 5 after passing through the evaporator core 3, and the evaporator core 3 is connected with a pipeline 6 extending into the vehicle inner partition wall 12.

[0040] With reference to Figure 3 and Figure 4 , the top end of the evaporator box 2 is in an open state, the evaporator core 3 is vertically inserted into the evaporator box 2, and the inner bottom wall of the evaporator box 2 is provided with two limiting blocks 21 for limiting the evaporator core 3 in length direction, the evaporator core 3 is vertically inserted into the two limiting blocks 21, the evaporator core 3 divides the inner cavity of the evaporator box 2 into a first chamber 22 and a second chamber 23, the second chamber 23 is located between the first chamber 22 and the vehicle inner partition wall 12, the fan 4 is fixedly arranged on the outer side wall of the evaporator box 2 and communicates with the first chamber 22, and the top end of the evaporator box 2 is provided with a cover plate 24 for shielding the opening, and the cover plate 24 is connected with the evaporator box 2 by bolts during installation.

[0041] With reference to Figure 1 and Figure 3 , the cover plate 24 is provided with a mounting hole 25 for mounting the air duct 5, the mounting hole 25 communicates with the second chamber 23, the air duct 5 is fixedly arranged on the mounting hole 25 and vertically extends upward, and the end of the air duct 5 away from the mounting hole 25 is used for connecting with the air outlet of the vehicle air conditioner (not shown in the figure).

[0042] With reference to Figure 1 and Figure 3 , the cover plate 24 is provided with an air conditioner switch 26, the air conditioner switch 26 is electrically connected with the fan 4 and is used for controlling the opening and closing of the fan 4 and for speed regulation, in actual application, the control of the air conditioner switch 26 can be connected to the operating table of the cab through an external control system to improve the convenience of starting the fan 4.

[0043] With reference to Figure 2 and Figure 4, the pipeline 6 includes air conditioning pipe 61 and drain pipe 62, in this embodiment, the air conditioning pipe 61 is taken as an example with two, the air conditioning pipe 61 is arranged on the evaporator core 3 and passes through the second chamber 23 and extends to the car inner partition wall 12, the air conditioning pipe 61 is located at one end of the car inner partition wall 12 and is provided with an expansion valve 63, the expansion valve 63 is connected with an adapter pipe 64, the adapter pipe 64 is used to connect external pipeline;The drain pipe 62 is communicated with the second chamber 23 and extends to the car inner partition wall 12, the drain pipe 62 is located at one end of the car inner partition wall 12 and is used to connect the pipeline (not shown in the figure) for external drainage, the wire harness plug of the evaporator assembly also extends to the car inner partition wall 12 and is connected with other wire harnesss, to improve the convenience of installation and maintenance.

[0044] Referring to Figure 1 and Figure 3 , the lower surface of the evaporator box 2 is fixedly provided with a connecting plate 7, the connecting plate 7 extends horizontally, the connecting plate 7 is provided with L-shaped connecting lug plates 71 at both ends, the connecting lug plates 71 abut against the vehicle floor below the seat 1, and the connecting lug plates 71 are detachably connected with the vehicle floor by bolts during installation.

[0045] Referring to Figure 1 and Figure 3 , the evaporator box 2 is detachably connected with a protective cover 8 for protecting the fan 4, in order to describe the structure of the protective cover 8, the rear side of the car inner partition wall 12 is taken as the rear side in this embodiment, the protective cover 8 is located on the left side of the evaporator box 2 and covers the fan 4, and the front side, the rear side and the right side of the protective cover 8 are all in an open state.

[0046] Referring to Figure 3 and Figure 5 , the rear side of the protective cover 8 is provided with abutting plates 81 on the upper and lower surfaces, the abutting plates 81 abut against the car inner partition wall 12 during installation, and the bottom surface of the protective cover 8 abuts against the connecting plate 7, the front side of the protective cover 8 is fixedly provided with a horizontally extending positioning plate 82, the positioning plate 82 shields the front side of the protective cover 8, and the length of the positioning plate 82 is greater than the length of the opening on the front side of the protective cover 8, the positioning plate 82 is pressed against the outer surface of the front side of the evaporator box 2 during installation, and the evaporator box 2 is provided with limiting bolts (not shown in the figure) for locking the positioning plate 82.

[0047] Referring to Figure 3 and Figure 5 , the right side of the protective cover 8 is provided with horizontally extending insertion plates 83 on the upper and lower surfaces, the extension direction of the insertion plates 83 is consistent with the width direction of the protective cover 8, and the bottom surface of the protective cover 8 and the positioning plate 82 are both provided with a plurality of heat dissipation holes 84.

[0048] Referring to Figure 3 , Figure 6 and Figure 7The outer side wall of the evaporator box 2 is provided with a limiting plate 9, the limiting plate 9 comprises a connecting part 91 and a limiting part 92 which are integrally arranged together, the connecting part 91 is fixed on the outer side wall of the evaporator box 2 and vertically extends along the height of the evaporator box 2, the connecting part 91 is flush with the outer side wall of the evaporator close to the car inner partition wall 12; the limiting part 92 is located at one end of the connecting part 91 away from the car inner partition wall 12, and the limiting part 92 extends forward and inward, the limiting part 92 and the outer side wall of the evaporator box 2 have a limiting clamping groove 93 for inserting the protective cover 8, and both of the two insertion plates 83 are inserted in the limiting clamping groove 93 during installation.

[0049] With reference to Figure 1 and Figure 6 , the size of the evaporator box 2 is smaller than the size of the installation space 11, in the embodiment, the size of the evaporator assembly is: length 380mm, width 275mm, height 175mm, the whole evaporator box 2 is made of 1.2mm cold plate, the connecting plate 7, the connecting lug plate 71 and the protective cover 8 are made of 1.5mm cold plate, so as to improve the impact resistance of the evaporator assembly, and in actual application, adaptive adjustment can be made according to requirements.

[0050] With reference to Figure 1 , Figure 3 and Figure 7 , during installation, the evaporator core 3 is first inserted into the evaporator box 2, then the cover plate 24 is covered, the cover plate 24 is locked by bolts, the protective cover 8 is pushed to make the insertion plate 83 inserted into the limiting clamping groove 93, the limiting bolt is used to connect and position the positioning plate 82 and the evaporator box 2, then the front side of the seat 1 is opened, the connecting plate 7 is pushed to move the evaporator box 2 to the position below the seat 1, until the evaporator box 2 abuts against the car inner partition wall 12, and the pipeline 6 extends into the car inner partition wall 12, then the connecting lug plate 71 is connected with the car floor by bolts, finally the pipeline 6 is installed and connected in the car inner partition wall 12, and the reverse operation can disassemble.

[0051] With reference to Figure 1 , Figure 3 and Figure 4 , the fan 4 starts to blow air into the evaporator core 3 and then out of the air duct 5, so as to refrigerate the loading indoor space, thereby improving the refrigeration effect of the special vehicle, the evaporator assembly is installed in the space below the seat 1 of the special vehicle, the refrigeration effect is improved without affecting the original loading space, the seat 1 is opened to install and maintain the evaporator assembly, thereby improving the convenience of installation and maintenance of the evaporator assembly.

[0052] The working principle of the embodiment of the application is as follows:

[0053] The evaporator core 3 is inserted into the evaporator box 2, then the cover plate 24 is covered, the cover plate 24 is locked by bolts, the protective cover 8 is pushed to make the insertion plate 83 inserted into the limiting slot 93, the positioning plate 82 is connected with the evaporator box 2 by limiting bolts, then the front side of the seat 1 is opened, the connecting plate 7 is pushed to make the evaporator box 2 move to the lower side of the seat 1, until the evaporator box 2 abuts against the car inner partition wall 12, and the pipeline 6 extends into the car inner partition wall 12, then the connecting lug plate 71 is connected with the car floor by bolts, finally the pipeline 6 is installed and connected in the car inner partition wall 12, so that the installation of the evaporator assembly is realized, and the reverse operation can disassemble.

[0054] The fan 4 starts to blow air into the evaporator core 3 and then flow out from the air duct 5, so that the space in the loading room is refrigerated, thereby improving the refrigeration effect of the special vehicle. The evaporator assembly is installed in the space below the seat 1 of the special vehicle, so that the refrigeration effect is improved without affecting the original loading space. The seat 1 is opened to install and maintain the evaporator assembly, thereby improving the convenience of installation and maintenance of the evaporator assembly.

[0055] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A special vehicle air conditioning evaporator assembly, characterized in that: It includes an evaporator housing (2) installed under the seat (1), an evaporator core (3) located inside the evaporator housing (2), and a fan (4) located on the evaporator housing (2). The evaporator housing (2) has an air duct (5) for discharging air volume. The air blown by the fan (4) flows out through the air duct (5) after passing through the evaporator core (3). A pipe (6) is connected to the evaporator core (3), and the pipe (6) extends into the interior partition wall (12).

2. The special vehicle air conditioning evaporator assembly according to claim 1, characterized in that: The evaporator core (3) is vertically inserted into the evaporator housing (2). The evaporator core (3) divides the inner cavity of the evaporator housing (2) into a first chamber (22) and a second chamber (23). The fan (4) is located on the outer wall of the evaporator housing (2) and communicates with the first chamber (22). The air duct (5) communicates with the second chamber (23).

3. The special vehicle air conditioning evaporator assembly according to claim 2, characterized in that: The second chamber (23) is located between the first chamber (22) and the interior partition wall (12), and the air duct (5) extends vertically upward.

4. The special vehicle air conditioning evaporator assembly according to claim 2, characterized in that: The evaporator housing (2) is detachably connected to a protective cover (8) for protecting the fan (4).

5. A special vehicle air conditioning evaporator assembly according to claim 4, characterized in that: The evaporator housing (2) is provided with a limiting plate (9), and there is a limiting slot (93) between the limiting plate (9) and the evaporator housing (2) for inserting the protective cover (8). The evaporator housing (2) is provided with a limiting bolt for locking the protective cover (8).

6. The special vehicle air conditioning evaporator assembly according to claim 2, characterized in that: The pipe (6) is connected to the second chamber (23). An expansion valve (63) is provided at one end of the pipe (6) located in the partition wall (12) inside the vehicle. An adapter pipe (64) is connected to the expansion valve (63). The adapter pipe (64) is used to connect to external pipelines.

7. A special vehicle air conditioning evaporator assembly according to claim 3, characterized in that: The top of the evaporator housing (2) is open, and a cover plate (24) for covering the opening is fastened to the top of the evaporator housing (2). The air duct (5) is set on the cover plate (24).

8. A special vehicle air conditioning evaporator assembly according to claim 7, characterized in that: The cover plate (24) is provided with an air conditioning switch (26), which is electrically connected to the fan (4) and is used to control the opening and closing of the fan (4) and to adjust its speed.

9. A special vehicle air conditioning evaporator assembly according to claim 1, characterized in that: The lower surface of the evaporator housing (2) is provided with a connecting plate (7), and the two ends of the connecting plate (7) are detachably connected to the floor panel under the seat (1) through connecting ear plates (71).

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