Efficient energy-saving heat pump for grain dryer

Abstract

The utility model relates to the technical field of heat pumps, in particular to a high-efficiency energy-saving heat pump for a grain dryer, which comprises a shell, a heating bin is arranged on the surface of the shell, an air outlet bin is arranged on the surface of the heating bin, a support frame is fixedly connected to the lower surface of the air outlet bin, and a support rod is fixedly connected to the lower surface of the support frame. The surfaces of the supporting rods are movably connected with trundles. The shell is fixedly connected with the exhaust fan, the air inlet is formed in the surface of the shell, the air outlet is formed in the surface of the air outlet bin, the heating bin is fixedly connected with the partition plate, the heating bin is fixedly connected with the fixing plate, the fixing plate is fixedly connected with the heating plate, and the heating plate is movably connected with the supporting spring. Due to the fixed connection of the partition plate and the communicating pipe and the fixed connection of the air outlet bin and the air blower, the working procedures of the heat pump are reduced, the structure of the heat pump becomes simple, the size and the weight of the heat pump are reduced, and compared with the prior art, the cost is remarkably reduced, and manpower and material resources are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat pumps, in particular to a high-efficiency energy-saving heat pump for a grain dryer. Background Art

[0002] A heat pump is a device that transfers heat energy from a low-level heat source to a high-level heat source. It usually obtains low-grade heat energy from the air, water or soil in nature, uses electricity to do work, and then provides people with usable high-grade heat energy.

[0003] After a long period of development, heat pump technology has been widely used both in the industrial field and in daily life. For example, heaters, air conditioners, water heaters and grain dryers all use heat pump technology. It is closely related to our lives. However, the existing heat pump has a complex structure, which is very troublesome both in production and in use, and wastes manpower and material resources. Its work efficiency is limited during use, which wastes time. At the same time, the existing heat pump is not easy to inspect and repair, and it needs to be disassembled for inspection and repair. Utility Model Content

[0004] The purpose of the utility model is to provide a high-efficiency and energy-saving heat pump for a grain dryer, so as to solve the problems proposed in the above background technology that the existing heat pump has a complex structure, has limited working efficiency when in use, and is difficult to inspect and repair.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-efficiency and energy-saving heat pump for a grain dryer, comprising a shell, a heating bin is provided on the surface of the shell, an air outlet bin is provided on the surface of the heating bin, a support frame is fixedly connected to the lower surface of the air outlet bin, a support rod is fixedly connected to the lower surface of the support frame, a caster is movably connected to the surface of the support rod, an exhaust fan is fixedly connected to the side of the shell away from the heating bin, an air inlet is provided on the surface of the shell, a control box is fixedly connected to the surface of the shell, a box door is movably connected to the surface of the control box, and an observation port is fixedly connected to the surface of the box door An observation window is fixedly connected to the upper surface of the heating bin, a cover plate is movably connected to the surface of the observation window, a first screw is threadedly connected to the surface of the outer shell, a second screw is threadedly connected to the surface of the support frame, an air outlet is opened on the surface of the air outlet bin, a partition is fixedly connected to the surface of the heating bin, a fixing plate is fixedly connected to the inner surface of the heating bin, a heating plate is fixedly connected to the surface of the fixing plate, a supporting spring is movably connected to the surface of the heating plate, a connecting pipe is fixedly connected to the surface of the partition, a blower is fixedly connected to the inner surface of the air outlet bin, and a support plate is fixedly connected to the surface of the blower.

[0006] Preferably, the interiors of the outer shell, the heating chamber, and the air outlet chamber are all hollow. The cross-section of the support frame is in the shape of a Chinese character 'Mu' (目). The support rods and the casters are evenly distributed in eight groups on the lower surface of the support frame. The exhaust fans are distributed in two groups on the surface of the outer shell.

[0007] Preferably, the air inlets are distributed in three groups on the surface of the outer shell. The air inlets are in a net shape. The control box is in a box shape. The box door is in a plate shape. The box door is rotatably connected to the control box. The observation port is inlaid on the surface of the box door.

[0008] Preferably, the observation window is in a box shape. The cover plate is in a plate shape. The cover plates are distributed in two groups on the surface of the observation window. The cover plates are rotatably connected to the observation window. There are two groups of the first screw rods. The outer shell and the heating chamber are fixedly connected by the first screw rods.

[0009] Preferably, the cross-section of the air outlet is in the shape of a Chinese character 'Kou' (口). Square holes are formed on the surface of the air outlet chamber. The length and width dimensions of the inner surface of the air outlet are the same as those of the square holes.

[0010] Preferably, there are two groups of the partition plates. The partition plates are in a plate shape. The fixing plate and the heating plate are both in a plate shape. The two ends of the support spring are respectively fixedly connected to the upper and lower surfaces of the heating chamber.

[0011] Preferably, the communicating pipes are distributed in two groups on the surface of the partition plates. The communicating pipes are in a cylindrical shape. The support plates are distributed in two groups on the surface of the blower. The cross-section of the support plates is in the shape of a right trapezoid.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. Through the fixed connection between the outer shell and the exhaust fans, with air inlets formed on the surface of the outer shell, air outlets formed on the surface of the air outlet chamber, the fixed connection between the heating chamber and the partition plates, the fixed connection between the heating chamber and the fixing plate, the fixed connection between the fixing plate and the heating plate, the movable connection between the heating plate and the support spring, the fixed connection between the partition plates and the communicating pipes, the fixed connection between the air outlet chamber and the blower, and the fixed connection between the blower and the support plates, the working process of the heat pump is reduced, its structure becomes simple, the volume of the heat pump is reduced, and the weight becomes lighter. Compared with the prior art, the cost is significantly reduced, saving manpower and material resources.

[0014] 2. Through the fixed connection between the heating chamber and the partition, the fixed connection between the heating chamber and the fixed plate, the fixed connection between the fixed plate and the heating plate, the movable connection between the heating plate and the supporting spring, the fixed connection between the partition and the connecting pipe, the fixed connection between the air outlet chamber and the blower, and the fixed connection between the blower and the supporting plate, the heated air flow is reduced when the heat pump is working, and the heating is directly performed through the heating plate, so that the heat pump runs more smoothly, reduces the noise generation, and increases the working efficiency of the heat pump. Through the fixed connection between the heating chamber and the observation window, and the movable connection between the observation window and the cover plate, when the heat pump needs to be inspected and maintained, the cover plate can be opened to directly inspect it, which makes the inspection and maintenance of the heat pump convenient and reduces the workload of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a bottom-up stereoscopic schematic diagram of the structure of the utility model;

[0017] Figure 3 It is a three-dimensional partial schematic diagram of the structure of the housing and the heating chamber of the utility model;

[0018] Figure 4 It is a three-dimensional partial schematic diagram of the structure of the heating plate of the utility model;

[0019] Figure 5 It is a three-dimensional partial schematic diagram of the structure of the air outlet bin of the utility model;

[0020] Figure 6 It is a partial three-dimensional schematic diagram of the structure of the control box and the observation window of the utility model.

[0021] In the figure: 1. outer shell; 2. heating chamber; 3. air outlet chamber; 4. support frame; 5. support rod; 6. casters; 7. exhaust fan; 8. air inlet; 9. control box; 10. box door; 11. observation port; 12. observation window; 13. cover plate; 14. first screw; 15. second screw; 16. air outlet; 17. partition; 18. fixing plate; 19. heating plate; 20. support spring; 21. connecting pipe; 22. blower; 23. support plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-6 , an embodiment provided by the present utility model:

[0024] An energy-efficient heat pump for a grain dryer, comprising a housing 1. A heating chamber 2 is provided on the surface of the housing 1. An air outlet chamber 3 is provided on the surface of the heating chamber 2. A support frame 4 is fixedly connected to the lower surface of the air outlet chamber 3. The support frame 4 serves to support the housing 1, the heating chamber 2, and the air outlet chamber 3. A support rod 5 is fixedly connected to the lower surface of the support frame 4. A caster 6 is movably connected to the surface of the support rod 5. A suction fan 7 is fixedly connected to one side of the housing 1 away from the heating chamber 2. An air inlet 8 is provided on the surface of the housing 1. When the heat pump operates, the suction fan 7 rotates to draw air into the housing 1 through the air inlet 8. A control box 9 is fixedly connected to the surface of the housing 1. The control box 9 controls the operation of the entire heat pump. A box door 10 is movably connected to the surface of the control box 9. The box door 10 serves to protect the control box 9. An observation port 11 is fixedly connected to the surface of the box door 10. The observation port 11 is a transparent window. The working condition of the heat pump is observed through the observation port 11. An observation window 12 is fixedly connected to the upper surface of the heating chamber 2. A cover plate 13 is movably connected to the surface of the observation window 12. The internal condition of the heat pump is observed through the observation window 12 by opening the cover plate 13 for inspection and maintenance. A first screw rod 14 is threadedly connected to the surface of the housing 1. The first screw rod 14 fixedly connects the housing 1 and the heating chamber 2. A second screw rod 15 is threadedly connected to the surface of the support frame 4. The second screw rod 15 fixedly connects the housing 1, the heating chamber 2, and the air outlet chamber 3 to the support frame 4. An air outlet 16 is provided on the surface of the air outlet chamber 3. The heated air is sent out through the air outlet 16. A partition 17 is fixedly connected to the surface of the heating chamber 2. The partition 17 serves to separate the housing 1, the heating chamber 2, and the air outlet chamber 3. A fixing plate 18 is fixedly connected to the inner surface of the heating chamber 2. A heating plate 19 is fixedly connected to the surface of the fixing plate 18. The drawn-in air is heated by the heating plate 19. A support spring 20 is movably connected to the surface of the heating plate 19. Both the fixing plate 18 and the support spring 20 serve to support and fix the heating plate 19. A connecting pipe 21 is fixedly connected to the surface of the partition 17. The heating chamber 2 and the air outlet chamber 3 are connected through the connecting pipe 21, enabling the heated air to flow into the air outlet chamber 3. A blower 22 is fixedly connected to the inner surface of the air outlet chamber 3. The heated air is sent out through the blower 22. A support plate 23 is fixedly connected to the surface of the blower 22. The support plate 23 serves to support the blower 22.

[0025] Further, the interiors of the housing 1, the heating chamber 2, and the air outlet chamber 3 are all hollow. The cross-section of the support frame 4 is in the shape of a Chinese character 'Mu'. The support frame 4 serves to support the housing 1, the heating chamber 2, and the air outlet chamber 3. The support rods 5 and the casters 6 are evenly distributed in eight groups on the lower surface of the support frame 4. The suction fans 7 are distributed in two groups on the surface of the housing 1. When the heat pump operates, the two suction fans 7 rotate to draw air into the housing 1 through the air inlet 8.

[0026] Further, the air inlets 8 are distributed in three groups on the surface of the housing 1. The air inlets 8 are in a mesh shape. When the heat pump works, the exhaust fan 7 operates to draw air into the housing 1 through the three groups of air inlets 8. The control box 9 is in a box shape. The exhaust fan 7 and the control box 9 are existing products and are not the technical protection points of this application, so no more description will be made here. The door 10 is in a plate shape and serves to protect the control box 9. The door 10 is rotatably connected to the control box 9. The observation port 11 is embedded in the surface of the door 10. The observation port 11 is a transparent window, and the working condition of the heat pump can be observed through the observation port 11.

[0027] Further, the observation window 12 is in a box shape, and the cover plate 13 is in a plate shape. The cover plates 13 are distributed in two groups on the surface of the observation window 12. The cover plate 13 is rotatably connected to the observation window 12. By opening the cover plate 13, the internal condition of the heat pump can be observed through the observation window 12 for inspection and maintenance. There are two groups of the first screws 14, and the housing 1 and the heating chamber 2 are fixedly connected through the first screws 14.

[0028] Further, the cross-section of the air outlet 16 is in a "mouth" shape. Square holes are formed on the surface of the air outlet chamber 3. The length and width dimensions of the inner surface of the air outlet 16 are the same as those of the square holes. The heated air is sent out through the air outlet 16.

[0029] Further, there are two groups of the partition plates 17. The partition plates 17 are in a plate shape and serve to separate the housing 1, the heating chamber 2 and the air outlet chamber 3. The fixing plate 18 and the heating plate 19 are both in a plate shape. The drawn-in air is heated by the heating plate 19. The two ends of the support spring 20 are respectively fixedly connected to the upper and lower surfaces of the heating chamber 2. Both the fixing plate 18 and the support spring 20 serve to support and fix the heating plate 19.

[0030] Further, two groups of the connecting pipes 21 are distributed on the surface of the partition plate 17. The connecting pipes 21 are in a cylindrical shape and are hollow inside. The connecting pipes 21 serve to connect the heating chamber 2 and the air outlet chamber 3. Two groups of the support plates 23 are distributed on the surface of the blower 22. The cross-section of the support plate 23 is in a right trapezoid shape, and the support plate 23 serves to support the blower 22. The blower 22 is an existing product and is not the technical protection point of this application, so no more description will be made here.

[0031] Working principle: When the heat pump starts to work, the heat pump is controlled through the control box 9. The exhaust fan 7 operates to draw air into the housing 1 through the air inlets 8. The normal-temperature air flows into the heating chamber 2 and is heated into hot air by the heating plate 19. The hot air flows into the interior of the air outlet chamber 3 through the connecting pipes 21. The blower 22 operates to send the hot air in the air outlet chamber 3 out through the air outlet 16. This is the process of the heat pump producing hot air. The structure of the heat pump becomes simple, the volume is reduced, and the weight is lightened. Compared with the prior art, the cost is significantly reduced, saving manpower and material resources.

[0032] When the heat pump needs to be inspected and repaired, the cover plate 13 is opened to directly observe, inspect and repair it through the observation window 12, making the inspection and maintenance of the heat pump convenient, without the need to easily disassemble the heat pump, and reducing the workload of workers.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A high-efficiency energy-saving heat pump for a grain dryer, comprising a housing (1), characterized in that: The surface of the housing (1) is provided with a heating chamber (2). The surface of the heating chamber (2) is provided with an air outlet chamber (3). The lower surface of the air outlet chamber (3) is fixedly connected to a support frame (4). The lower surface of the support frame (4) is fixedly connected to a support rod (5). The surface of the support rod (5) is movably connected to a caster (6). One side of the housing (1) away from the heating chamber (2) is fixedly connected to an exhaust fan (7). The surface of the housing (1) is provided with an air inlet (8). The surface of the housing (1) is fixedly connected to a control box (9). The surface of the control box (9) is movably connected to a box door (10). The surface of the box door (10) is fixedly connected to an observation port (11). The upper surface of the heating chamber (2) is fixedly connected to an observation window (12). The surface of the observation window (12) is movably connected to a cover plate (13). The surface of the housing (1) is threadedly connected to a first screw rod (14). The surface of the support frame (4) is threadedly connected to a second screw rod (15). The surface of the air outlet chamber (3) is provided with an air outlet (16). The surface of the heating chamber (2) is fixedly connected to a partition plate (17). The inner surface of the heating chamber (2) is fixedly connected to a fixing plate (18). The surface of the fixing plate (18) is fixedly connected to a heating plate (19). The surface of the heating plate (19) is movably connected to a support spring (20). The surface of the partition plate (17) is fixedly connected to a communicating pipe (21). The inner surface of the air outlet chamber (3) is fixedly connected to a blower (22). The surface of the blower (22) is fixedly connected to a support plate (23).

2. The high-efficiency energy-saving heat pump for a grain dryer according to claim 1, characterized in that: The interiors of the housing (1), the heating chamber (2) and the air outlet chamber (3) are all hollow. The cross-section of the support frame (4) is in the shape of a Chinese character 'Mu'. The support rods (5) and the casters (6) are evenly distributed in eight groups on the lower surface of the support frame (4). The exhaust fans (7) are distributed in two groups on the surface of the housing (1).

3. The high-efficiency energy-saving heat pump for a grain dryer according to claim 1, characterized in that: The air inlets (8) are distributed in three groups on the surface of the housing (1). The air inlets (8) are in a net shape. The control box (9) is in a box shape. The box door (10) is in a plate shape. The box door (10) is rotatably connected to the control box (9). The observation port (11) is inlaid on the surface of the box door (10).

4. The high-efficiency energy-saving heat pump for a grain dryer according to claim 1, characterized in that: The observation window (12) is in a box shape. The cover plate (13) is in a plate shape. The cover plates (13) are distributed in two groups on the surface of the observation window (12). The cover plate (13) is rotatably connected to the observation window (12). The first screw rods (14) are in two groups. The housing (1) and the heating chamber (2) are fixedly connected by the first screw rods (14).

5. The high-efficiency energy-saving heat pump for a grain dryer according to claim 1, characterized in that: The cross-section of the air outlet (16) is in the shape of a Chinese character 'Kou'. The surface of the air outlet chamber (3) is provided with a square hole. The length and width dimensions of the inner surface of the air outlet (16) are the same as those of the square hole.

6. The high-efficiency energy-saving heat pump for a grain dryer according to claim 1, characterized in that: The partition plates (17) are in two groups. The partition plates (17) are in a plate shape. The fixing plate (18) and the heating plate (19) are both in a plate shape. The two ends of the support spring (20) are respectively fixedly connected to the upper and lower surfaces of the heating chamber (2).

7. The high-efficiency energy-saving heat pump for a grain dryer according to claim 1, characterized in that: The connecting pipes (21) are distributed in two groups on the surface of the partition (17), and the connecting pipes (21) are cylindrical. The supporting plates (23) are distributed in two groups on the surface of the blower (22), and the cross-section of the supporting plates (23) is a right-angled trapezoid.

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