An evaporator is installed in a farm machine air conditioning assembly in a cab

Abstract

The utility model relates to agricultural machinery air conditioning assembly technical field, especially a kind of agricultural machinery air conditioning assembly, evaporator is installed in cab, including agricultural machinery cab and agricultural machinery air conditioning assembly, the agricultural machinery air conditioning assembly includes compressor, condenser, expansion valve and evaporator assembly by electronic control unit electric connection and by pipeline sequential intercommunication, the agricultural machinery cab is provided with instrument desk, air conditioner air outlet is arranged on the instrument desk;Shell;Filtering assembly.The utility model, since evaporator assembly is set in instrument desk by shell, on the one hand, evaporator assembly can be hidden installation, will not occupy agricultural machinery cab internal operating space;The air outlet of evaporator assembly and air conditioner air outlet are directly docked on the other hand, not only reduce the length of air pipe, but also reduce the wind volume loss and cold loss caused by air pipe too long, while reasonably avoid air pipe folding, so that air volume is evenly reasonable, internal temperature distribution is uniform.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery air conditioning assembly technology, and in particular to an agricultural machinery air conditioning assembly with the evaporator installed in the cab. Background Technology

[0002] The statements herein provide only background information in relation to this invention and do not necessarily constitute prior art.

[0003] Agricultural machinery, also known as agricultural equipment, refers to various machines used in crop cultivation and animal husbandry, as well as in the initial processing and handling of agricultural and livestock products. To facilitate long-term operation and reduce the impact of external environmental factors on normal driving, many agricultural machines are equipped with a driver's cab.

[0004] Currently, air conditioners used in agricultural machinery vehicles often employ a roof-mounted evaporator installation method. Typically, the roof-mounted evaporator is a single, integral structure installed on the roof outside the cab. This results in a relatively high overall height of the cab, poor aesthetics, and longer ductwork, leading to greater airflow resistance, significant cooling loss, and affecting the airflow and temperature at each vent in the cab. Consequently, the cab experiences uneven temperature distribution, large temperature differences, and ineffective cooling, resulting in substantial energy consumption. Utility Model Content

[0005] The purpose of this utility model is to address the aforementioned shortcomings by providing an agricultural machinery air conditioning assembly with the evaporator installed in the cab.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: an agricultural machinery air conditioning assembly with an evaporator installed in the cab, comprising an agricultural machinery cab and an agricultural machinery air conditioning assembly, wherein the agricultural machinery air conditioning assembly comprises a compressor, a condenser, an expansion valve and an evaporator assembly electrically connected by an electronic control unit and sequentially connected by pipes, and an instrument panel is provided in the agricultural machinery cab, wherein an air conditioning vent is provided on the instrument panel;

[0007] A housing is disposed inside the dashboard and covers the outside of the evaporator assembly for fixing the evaporator assembly inside the dashboard. The bottom of the housing is provided with a slope and an air inlet is provided at the slope. The top of the housing is provided with an air outlet, which is directly connected to the air conditioner air outlet.

[0008] A filter assembly, located at the air inlet, is used to filter the air entering the evaporator assembly.

[0009] Furthermore, the filter assembly includes a frame fixed at the air inlet position, a mesh plate slidably disposed on the frame and pulled to one side, guide rails provided at both ends of the mesh plate, guide grooves provided on the frame corresponding to the ends of the mesh plate to accommodate the sliding of the guide rails, a limiting groove provided on the end of the frame away from the mesh plate insertion, a limiting block provided in the limiting groove, and the limiting block disposed on the mesh plate and used to limit the mesh plate on the frame.

[0010] Furthermore, the frame is symmetrically provided with multiple flow channels on both sides of the inner side of the housing, and each flow channel has an outlet at its low position. The frame is provided with a guide groove inclined to one side and connected to each outlet. The guide groove has an opening at its low position, and a guide pipe is provided at the opening that connects to and extends out of the cab of the agricultural machinery.

[0011] Furthermore, a cleaning box is provided on the outside of the frame, and a cleaning brush surface is provided on one side of the cleaning box corresponding to the mesh plate. The cleaning brush surface is used to clean the impurities retained in the mesh holes of the mesh plate during the process of pulling the mesh plate out and collect them into the cleaning box.

[0012] Furthermore, the cleaning box has two symmetrical insertion holes on both sides, and the frame is provided with corresponding insertion rods for insertion into the insertion holes. A limit plate is provided on the end of the insertion rod away from the mesh plate.

[0013] The limiting plate is used to restrict the cleaning box from continuing to move with the mesh plate after the frame is assembled.

[0014] Furthermore, a metal groove is provided at the end of the cleaning box away from the insertion of the mesh plate, and a magnetic block is provided on the limiting block to be fixed in the metal groove.

[0015] The beneficial effects of this utility model are reflected in:

[0016] This invention, by housing the evaporator assembly within the dashboard, allows for concealed installation, saving operating space within the agricultural machinery cab. Furthermore, it enables direct connection between the evaporator assembly's air outlet and the air conditioning outlet, reducing duct length, preventing duct kinking, and minimizing airflow and cooling losses due to excessive duct length, thus saving energy. This results in uniform and efficient airflow and internal temperature distribution. Additionally, the included filter effectively filters air entering the evaporator assembly, preventing impurities from the complex air environment during agricultural machinery operation from entering and ensuring optimal performance. Attached Figure Description

[0017] Figure 1This is a perspective view of the overall structure of an embodiment of the present utility model.

[0018] Figure 2 This is a perspective view of the internal structure of an embodiment of the present invention.

[0019] Figure 3 This is a perspective view of the shell in one embodiment of the present invention;

[0020] Figure 4 This is a three-dimensional structural view of the shell from an exploded perspective in one embodiment of the present invention;

[0021] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0022] Figure 6 This is a planar structural view of the shell from one perspective in one embodiment of the present invention.

[0023] In the picture:

[0024] 1. Evaporator assembly; 2. Instrument panel; 3. Housing; 4. Filter assembly; 41. Frame; 411. Insert rod; 412. Limiting plate; 42. Mesh plate; 43. Guide groove; 44. Limiting groove; 45. Limiting block; 5. Flow channel; 6. Flow guide groove; 7. Port; 8. Cleaning box; 81. Insertion hole; 9. Metal groove; 10. Magnetic block. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0026] Please see Figure 1-6 This utility model discloses an agricultural machinery air conditioning assembly with an evaporator installed in the cab, including an agricultural machinery cab and an agricultural machinery air conditioning assembly. The agricultural machinery air conditioning assembly includes a compressor, a condenser, an expansion valve and an evaporator assembly 1 that are electrically connected through an electronic control unit and sequentially connected through pipes. The agricultural machinery cab is provided with an instrument panel 2, and an air conditioning vent is provided on the instrument panel 2.

[0027] The housing 3 is disposed inside the instrument panel 2 and covers the outside of the evaporator assembly 1, and is used to fix the evaporator assembly 1 inside the instrument panel 2. The bottom of the housing 3 is provided with a slope, and an air inlet is provided at the slope. The top of the housing 3 is provided with an air outlet, and the air outlet is directly connected to the air conditioner air outlet.

[0028] The filter assembly 4 is located at the air inlet and is used to filter the air entering the evaporator assembly 1.

[0029] In practice, by using the housing 3 inside the dashboard 2 to fix the evaporator assembly 1 in the agricultural machinery cab, on the one hand, the evaporator assembly 1 can be installed in a hidden manner without occupying the internal operating space of the agricultural machinery cab; on the other hand, the air outlet of the evaporator assembly and the air conditioning outlet can be directly connected, which not only reduces the length of the air duct, but also reasonably avoids the air duct from being bent, so that the air volume is uniform and reasonable and the internal temperature distribution is uniform.

[0030] Furthermore, the filter assembly 4 installed by slotting the bottom slope of the housing 3 can filter the air entering the evaporator assembly 1, effectively preventing impurities in the complex air environment during agricultural machinery operation from entering the evaporator assembly 1, thus ensuring the performance of the evaporator assembly 1.

[0031] It should be noted that the sloping structure design allows air to enter at an angle through the air inlet at the bottom of the housing 3, making the airflow smoother and avoiding excessive airflow resistance or irregular flow, thereby reducing the burden on the evaporator assembly 1.

[0032] In one embodiment, the filter assembly 4 includes a frame 41 fixed at the air inlet position, a mesh plate 42 slidably disposed on the frame 41 and pulled out to one side, guide rails provided at both ends of the mesh plate 42, and guide grooves 43 on the frame 41 corresponding to the ends of the mesh plate 42 adapted to the sliding of the guide rails. A limiting groove 44 is provided at the end of the frame 41 away from the insertion of the mesh plate 42, and a limiting block 45 is provided in the limiting groove 44. The limiting block 45 is disposed on the mesh plate 42 and used to limit the mesh plate 42 on the frame 41. With this design, the frame 41 bolted at the air inlet position and the mesh plate 42 slidably combined and pulled out from one side can effectively filter the air entering the evaporator assembly 1 and remove impurities. The mesh plate 42 is connected to the frame 41 through the cooperation of the guide rails and the guide grooves 43, which makes it easier for the mesh plate 42 to be pulled out to one side along the slope.

[0033] Furthermore, a limiting groove 44 is welded to the end of the frame 41 away from the insertion of the mesh plate 42, and a limiting block 45 is welded to the mesh plate 42. The limiting block 45 is horizontally inserted into the limiting groove 44, so that the mesh plate 42 assembled on the frame 41 is limited to the bottom surface of the shell 3, achieving a good fixing effect.

[0034] In one embodiment, a plurality of flow channels 5 are symmetrically arranged on both sides of the inner side of the frame 41 facing the interior of the housing 3. Each flow channel 5 has an outlet at its lower position. A guide groove 6 inclined to one side is provided inside the frame 41 and connecting to each outlet. A through-hole 7 is provided at the lower position of the guide groove 6, and a guide pipe is provided at the through-hole 7, connecting to and extending out of the exterior of the agricultural machinery cab. With this design, by machining a plurality of flow channels 5 along the length of the inclined surface on the inner side of the frame 41 facing the interior of the housing 3, and opening outlets at the lower positions of the flow channels 5 that connect to the guide grooves 6, when the evaporator assembly 1 is in operation, the condensate generated will collect in the guide grooves 6 along the flow channels 5, flow from high to low in the guide grooves 6, and be led out through the through-hole 7 and the guide pipe connected to the through-hole 7, thus realizing the discharge of condensate.

[0035] In one embodiment, a cleaning box 8 is provided on the outside of the frame 41. A cleaning brush surface is provided on one side of the cleaning box 8 corresponding to the mesh plate 42. The cleaning brush surface is used to clean impurities retained in the mesh holes of the mesh plate 42 during the pulling process and collect them into the cleaning box 8. With this design, by installing the cleaning box 8 outside the frame 41, when the mesh plate 42 is pulled outwards, some impurities attached to the outer surface of the mesh plate 42 will be cleaned during the pulling process and collected inside the cleaning box 8 by the cleaning brush surface.

[0036] It should be noted that the cleaning brush surface is made of bristles, and the side of the cleaning box 8 that is adjacent to the mesh plate 42 is open to facilitate the entry of impurities into the cleaning box 8.

[0037] In one embodiment, two insertion holes 81 are symmetrically arranged on both sides of the cleaning box 8, and the frame 41 is provided with a corresponding insertion rod 411 for insertion into the insertion hole 81. A limiting plate 412 is provided on the end of the insertion rod 411 that is away from the mesh plate 42.

[0038] The limiting plate 412 is used to restrict the cleaning box 8 from continuing to move with the mesh plate 42 after the mesh plate 42 is assembled with the frame 41. This design, with symmetrical insertion holes 81 on both sides of the cleaning box 8 and corresponding insertion rods 411 installed on the frame 41, allows the cleaning box 8 connected to the mesh plate 42 to assemble with the insertion rods 411 during the process of the mesh plate 42 being inserted into the frame 41. As the mesh plate continues to move, the limiting plate 412 welded to the insertion rods 411 restricts the cleaning box 8 from continuing to move with the mesh plate 42, causing the cleaning box 8 to separate from the mesh plate 42. This ensures that while the mesh plate 42 is moved outwards, some impurities on the outer surface of the mesh plate 42 are cleaned simultaneously, improving the effectiveness and increasing work efficiency.

[0039] In one embodiment, a metal groove 9 is provided on the end of the cleaning box 8 away from the insertion end of the mesh plate 42, and a magnetic block 10 adapted to fix the metal groove 9 is provided on the limiting block 45. With this design, by machining the metal groove 9 at one end of the cleaning box 8 and installing the magnetic block 10 at the end of the limiting block 45, when the mesh plate 42 moves outward, the limiting block 45 will move closer to the cleaning box 8. At this time, under the magnetic attraction, the magnetic block 10 will magnetically attract and fix the metal groove 9, driving the cleaning box 8 to move outward together. This facilitates centralized cleaning of the mesh plate 42 and the cleaning box 8 from the outside, ensuring the effectiveness of the mesh plate 42.

[0040] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0041] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0042] Additionally, "multiple" refers to two or more.

[0043] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An agricultural machinery air conditioning assembly with an evaporator installed in the cab, comprising an agricultural machinery cab and an agricultural machinery air conditioning assembly, wherein the agricultural machinery air conditioning assembly comprises a compressor, a condenser, an expansion valve, and an evaporator assembly (1) electrically connected by an electronic control unit and sequentially connected by pipes, characterized in that: The agricultural machinery cab is equipped with an instrument panel (2), and the instrument panel (2) is equipped with an air conditioning vent. The housing (3) is disposed inside the instrument panel (2) and covers the outside of the evaporator assembly (1) for fixing the evaporator assembly (1) inside the instrument panel (2). The bottom of the housing (3) is provided with a slope, and an air inlet is provided at the slope. The top of the housing (3) is provided with an air outlet, and the air outlet is directly connected to the air conditioner air outlet. A filter assembly (4) is provided at the air inlet for filtering the air entering the evaporator assembly (1).

2. The agricultural machinery air conditioning assembly with the evaporator installed in the cab according to claim 1, characterized in that: The filter assembly (4) includes a frame (41) fixed at the air inlet position and a mesh plate (42) slidably disposed on the frame (41) and pulled to one side. Guide rails are provided at both ends of the mesh plate (42). Guide grooves (43) adapted to the sliding of the guide rails are provided at the ends of the frame (41) corresponding to the mesh plate (42). A limiting groove (44) is provided at the end of the frame (41) away from the mesh plate (42) into which it is inserted. A limiting block (45) is provided in the limiting groove (44). The limiting block (45) is disposed on the mesh plate (42) and used to limit the mesh plate (42) on the frame (41).

3. The agricultural machinery air conditioning assembly with the evaporator installed in the cab according to claim 2, characterized in that: Multiple flow channels (5) are symmetrically arranged on both sides of one side of the frame (41) facing the interior of the shell (3). Each flow channel (5) has an outlet at its low position. Inside the frame (41) and connecting each outlet, a guide groove (6) inclined to one side is provided. A through-hole (7) is provided at the low position of the guide groove (6). A guide pipe that connects to and extends out of the cab of the agricultural machinery is provided at the through-hole (7).

4. The agricultural machinery air conditioning assembly with the evaporator installed in the cab according to claim 2, characterized in that: A cleaning box (8) is provided on the outside of the frame (41). A cleaning brush is provided on one side of the cleaning box (8) corresponding to the mesh plate (42). The cleaning brush is used to clean the impurities retained in the mesh holes of the mesh plate (42) during the process of pulling the mesh plate (42) and collect them into the cleaning box (8).

5. The agricultural machinery air conditioning assembly with the evaporator installed in the cab according to claim 4, characterized in that: The cleaning box (8) has two symmetrical holes (81) on both sides. The frame (41) is provided with a corresponding insertion rod (411) for insertion into the hole (81). A limit plate (412) is provided on the end of the insertion rod (411) that is away from the mesh plate (42). The limiting plate (412) is used to restrict the cleaning box (8) from continuing to move along the mesh plate (42) after the frame (41) is assembled.

6. The agricultural machinery air conditioning assembly with the evaporator installed in the cab according to claim 4, characterized in that: The cleaning box (8) is provided with a metal groove (9) at the end that is far from the mesh plate (42) into which it is inserted, and the limiting block (45) is provided with a magnetic block (10) that is adapted to be fixed by the metal groove (9).

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