Energy-saving device of air-cooling direct expansion machine

Abstract

The utility model relates to the technical field of air-cooled direct expansion machines, in particular to an energy-saving device of an air-cooled direct expansion machine, which cools air, prevents the air from being in direct contact with cooling liquid, prevents the sucked air from causing moisture, can avoid the trouble of disassembly and cleaning, and improves the energy-saving effect. Comprising a box body, conical pipes are installed at the left end and the right end of the box body, air enters the box body through the conical pipe on the left side, the conical pipe on the right side is connected with an air cooling direct expansion machine, a pre-cooling cylinder is connected into the box body, the interior of the box body is divided into an air inlet cavity, a cooling cavity and an air outlet cavity, and a cooling assembly is installed in the cooling cavity in the pre-cooling cylinder; a filtering mechanism is installed at the input end of the left side conical pipe, a cleaning assembly is installed in the box body and makes contact with the filtering assembly, and an air outlet assembly is installed in the air outlet cavity.

Description

Technical Field

[0001] The utility model relates to the technical field of air-cooled direct expansion machines, in particular to an energy-saving device for air-cooled direct expansion machines. Background Art

[0002] Direct expansion machine is a form of air conditioner. Direct expansion is the abbreviation of direct expansion, which is a liquid supply method. That is, pressure difference liquid supply, corresponding to which there are pump liquid supply, gravity liquid supply, etc. When the air-cooled direct expansion machine is in use, the air directly sucked into the air-cooled direct expansion machine for heat exchange is often at a higher temperature, which consumes a lot of refrigerant and is not conducive to energy saving and environmental protection. In addition, the air contains dust and impurities, which will greatly affect the use of the air-cooled direct expansion machine over time. The prior art publication number CN219199361U proposes an energy-saving device for an air-cooled direct expansion machine, comprising a water tank, a door panel is provided at the front end of the water tank, a hinged rod is provided at the front end of the water tank, and the door panel is hinged to the front end of the water tank through the hinged rod, a first air inlet pipe is provided at the left end of the water tank, and a second water inlet pipe is provided at the upper end of the water tank, a connecting pipe is provided at the upper end of the water tank, the left end of the connecting pipe is fixedly connected to the left end of the first air inlet pipe, and the right end of the connecting pipe is fixedly connected to the upper end of the second air inlet pipe, an air pump is installed at the upper end of the water tank, and a third air inlet pipe is connected to the rear end of the air pump, the third air inlet pipe runs through the interior of the connecting pipe, and is sealed and connected to the connecting pipe, and the water pump circulates water. However, by directly mixing the outside air with water to lower the air temperature, the humidified air produced by the mixture of air and water is sucked into the air-cooled direct expansion machine, which can easily affect the operation of the machine. At the same time, water filtration is used to remove impurities in the air, resulting in the need for frequent replacement of water sources, reducing the energy-saving effect. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an energy-saving device for an air-cooled direct expansion machine which cools the air without direct contact with the coolant, thereby avoiding moisture caused by the inhaled air and avoiding the trouble of disassembly and cleaning, thereby improving the energy-saving effect.

[0004] The utility model discloses an energy-saving device for an air-cooled direct expansion machine, comprising a box body, wherein left and right ends of the box body are provided with tapered tubes, air enters through the left tapered tube, and the right tapered tube is connected to the air-cooled direct expansion machine, a precooling tube is connected to the interior of the box body, and the interior of the box body is divided into an air inlet chamber, a cooling chamber and an air outlet chamber, a cooling component is installed in the cooling chamber inside the precooling tube, a filtering mechanism is installed at the input end of the left tapered tube, a cleaning component is installed inside the box body, and the cleaning component is in contact with the filtering component, and an air outlet component is installed in the air outlet chamber; when the outside air can be conveniently introduced into the air inlet chamber through the filtering component, impurities in the air can be conveniently filtered to avoid the impurities being sucked in, the cleaning component can conveniently clean the filtering component, and the trouble of disassembling and cleaning can be avoided, the air enters the cooling component in the cooling chamber to cool the air, the air does not directly contact the coolant, and the inhaled air can be prevented from causing moisture, the air enters the air outlet chamber and is discharged through the air outlet component, thereby improving the energy-saving effect.

[0005] Preferably, the cooling component includes an air suction pump, a spiral air delivery pipe, a liquid inlet pipe and a liquid outlet pipe, the two air suction pumps are respectively installed at the upper and lower ends of the left side wall of the precooling cylinder, the output end of the air suction pump is connected to the input end of the spiral air delivery pipe, the output end of the spiral air delivery pipe is connected to the right side of the precooling cylinder, the liquid inlet pipe is fixedly connected to the top of the box body, the output end of the liquid inlet pipe is connected to the interior of the precooling cylinder, the input end of the liquid outlet pipe is connected to the lower part of the precooling cylinder, the output end of the liquid outlet pipe passes through the front end of the box body and is located on the outside of the box body, and valves are provided on the liquid inlet pipe and the liquid outlet pipe; coolant is added to the interior of the precooling cylinder through the liquid inlet pipe, the spiral air delivery pipe is immersed in the coolant, the air suction pump is started to extract air, so that external air is sucked into the air inlet cavity, and then the air is input into the spiral air delivery pipe, the coolant can be used to conveniently cool the air in the spiral air delivery pipe, so that the air does not directly contact the coolant, and the inhaled air is prevented from causing moisture, and the spiral air delivery pipe increases the flow time of air in the precooling cylinder, thereby increasing the precooling time of the air.

[0006] Preferably, the filtering mechanism includes a mounting frame, a sealing ring, a filter screen and a plurality of fixing bolts. A sealing groove is provided on the left side wall of the conical tube, a sealing ring matching the sealing groove is installed on the mounting frame, the sealing ring is installed on the outer wall of the conical tube by means of a plurality of fixing bolts, and a filter screen is installed in the middle of the mounting frame. When air enters the air inlet cavity, impurities in the air can be conveniently filtered through the filter screen to prevent impurities from being sucked into the air inlet cavity. Unscrewing the fixing bolts makes it easy to remove the mounting frame from the conical tube for easy inspection and replacement.

[0007] Preferably, the cleaning assembly includes a fixed plate, a dual-output motor, a first rotating rod, a sleeve, a second rotating rod, a cleaning brush and a fastening nut. The fixed plate is fixedly installed in the air inlet cavity, and a plurality of bell mouths are evenly opened on the fixed plate. The dual-output motor is fixedly installed in the middle of the fixed plate. The left output end of the dual-output motor is connected to the first rotating rod, and the first rotating rod extends to the outside of the conical tube. A rotating hole matching the first rotating rod is arranged in the middle of the filter screen. A plurality of spline grooves and a threaded groove are opened at the left end of the first rotating rod. The sleeve is sleeved on the first rotating rod. In the spline groove, a fastening nut is screwed on the first rotating rod to limit and fix the sleeve. A second rotating rod is fixedly installed on the upper and lower side walls of the sleeve. A cleaning brush is installed at one end of the second rotating rod close to the filter, and the cleaning brush contacts the filter. Starting the dual-output motor drives the first rotating rod to rotate, and the first rotating rod drives the second rotating rod to rotate through the sleeve, so that the cleaning brush cleans the filter, which can more conveniently clean impurities adhered to the surface of the filter, avoid the trouble of disassembly and cleaning, and enable the filter to maintain a good filtering effect.

[0008] Preferably, the right output end of the dual-output motor is connected to a rotating shaft, which is rotatably installed inside the precooling cylinder, and a plurality of stirring rods are evenly arranged and installed on the outer wall of the rotating shaft, and stirring blades are connected to the stirring rods, and a plurality of heat dissipation fins are evenly installed on the front and rear ends of the box body, and the heat dissipation fins are connected to the side walls of the precooling cylinder; when the dual-output motor rotates, it drives the rotating shaft to rotate, and the rotating shaft drives the plurality of stirring rods and stirring blades to rotate, stirring the coolant, so that the heat absorbed by the coolant can be quickly dissipated, and the heat dissipation area can be increased by the heat dissipation fins, thereby improving the heat dissipation effect, so that the coolant can maintain a good cooling effect, reducing the trouble of frequent replacement, and improving the energy-saving effect.

[0009] Preferably, the air outlet assembly includes an air outlet plate, multiple trumpet tubes and a guide cover. The air outlet plate is fixedly installed in the air outlet cavity. Multiple trumpet tubes are evenly installed on the air outlet plate. The right end of the trumpet tube is set as a small hole. The guide cover is connected to the right side wall of the precooling cylinder. The air discharged from the spiral air pipe is guided by the guide cover, and then the air is discharged through the trumpet tube. The principle of air cooling through small holes is utilized to reduce the air temperature, thereby improving the energy saving effect.

[0010] Preferably, legs are fixedly installed at the four corners of the bottom of the box, and a fixing seat is fixedly installed at the bottom of the legs, and a fixing hole is provided on the fixing seat; the fixing seat is supported by the legs for easy use, and the fixing seat is fixed by the fixing holes to ensure the stability of the equipment when in use.

[0011] Compared with the prior art, the utility model has the following beneficial effects: when the outside air can be conveniently introduced into the air inlet cavity through the filter component, the impurities in the air can be filtered to avoid the impurities being inhaled; the cleaning component can conveniently clean the filter component to avoid the trouble of disassembly and cleaning; the air enters the cooling component in the cooling cavity to cool the air; the air does not directly contact the coolant to avoid the inhaled air causing moisture; the air enters the air outlet cavity and is discharged through the air outlet component to improve the energy saving effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a front structural schematic diagram of the utility model;

[0014] Figure 3 It is a left-side structural schematic diagram of the utility model;

[0015] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;

[0016] Figure 5 It is a right side cross-sectional structural schematic diagram of the utility model;

[0017] Markings in the attached drawings: 1. Box body; 2. Conical tube; 3. Precooling cylinder; 4. Vacuum pump; 5. Spiral air pipe; 6. Liquid inlet pipe; 7. Liquid outlet pipe; 8. Heat dissipation fin plate; 9. Fixed plate; 10. Mounting frame; 11. Sealing ring; 12. Filter; 13. Fixing bolt; 14. Dual-output motor; 15. First rotating rod; 16. Plug sleeve; 17. Second rotating rod; 18. Cleaning brush; 19. Fastening nut; 20. Rotating shaft; 21. Stirring rod; 22. Stirring blade; 23. Air outlet plate; 24. Trumpet tube; 25. Guide cover; 26. Leg; 27. Fixed seat. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] Example 1

[0020] like Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, conical tubes 2 are installed at the left and right ends of the box body 1, air enters through the left conical tube 2, and the right conical tube 2 is connected to the air-cooled direct expansion machine. The interior of the box body 1 is connected with a precooling cylinder 3, which divides the interior of the box body 1 into an air inlet chamber, a cooling chamber and an air outlet chamber. Two air pumps 4 are respectively installed at the upper and lower ends of the left side wall of the precooling cylinder 3, and the output end of the air pump 4 is connected to the input end of the spiral air delivery pipe 5, and the output end of the spiral air delivery pipe 5 is connected to the right side of the precooling cylinder 3. The liquid inlet pipe 6 is fixedly connected to the top of the box body 1, and the output end of the liquid inlet pipe 6 is connected to the interior of the precooling cylinder 3. The input end of the liquid outlet pipe 7 is connected to the input end of the spiral air delivery pipe 5. The end is communicated with the lower part of the precooling cylinder 3, the output end of the liquid outlet pipe 7 passes through the front end of the box body 1 and is located on the outside of the box body 1, and valves are provided on the liquid inlet pipe 6 and the liquid outlet pipe 7. A sealing groove is provided on the left side wall of the conical tube 2, and a sealing ring 11 matching the sealing groove is installed on the mounting frame 10. The sealing ring 11 is installed on the outer wall of the conical tube 2 through a plurality of fixing bolts 13. A filter screen 12 is installed in the middle of the mounting frame 10. Support legs 26 are fixedly installed at the four corners of the bottom of the box body 1, and a fixing seat 27 is fixedly installed at the bottom of the support legs 26. The fixing seat 27 is provided with a fixing hole;

[0021] The fixing base 27 is supported by the legs 26 for easy use, and the fixing base 27 is fixed by the fixing holes to ensure the stability of the equipment when in use. Coolant is added to the precooling cylinder 3 through the liquid inlet pipe 6, so that the spiral air pipe 5 is immersed in the coolant, and the vacuum pump 4 is started to evacuate air so that the external air is pumped into the air inlet cavity, and then the air is input into the spiral air pipe 5. The coolant can be used to conveniently cool the air in the spiral air pipe 5, so that the air does not directly contact the coolant, and the inhaled air is prevented from causing moisture. The spiral air pipe 5 increases the flow time of air in the precooling cylinder 3 and increases the precooling time of the air. When the air enters the air inlet cavity, the filter 12 can be used to conveniently filter the impurities in the air to prevent the impurities from being sucked into the air inlet cavity. Unscrewing the fixing bolts 13 facilitates the removal of the mounting frame 10 on the conical tube 2 for easy maintenance and replacement.

[0022] Example 2

[0023] like Figure 2 , Figure 4 and Figure 5As shown, on the basis of Example 1, it also includes a fixing plate 9 fixedly installed in the air inlet cavity, a plurality of bell mouths are evenly opened on the fixing plate 9, a dual-output motor 14 is fixedly installed in the middle of the fixing plate 9, a first rotating rod 15 is connected to the left output end of the dual-output motor 14, the first rotating rod 15 extends to the outside of the conical tube 2, and a rotating hole matching the first rotating rod 15 is provided in the middle of the filter screen 12, a plurality of spline grooves and a thread groove are opened at the left end of the first rotating rod 15, a plug-in sleeve 16 is sleeved in the spline groove of the first rotating rod 15, a fastening nut 19 is screwed on the first rotating rod 15, the plug-in sleeve 16 is limited and fixed, and the upper and lower end side walls of the plug-in sleeve 16 are fixedly installed with the first rotating rod 15. Two rotating rods 17, a cleaning brush 18 is installed at one end of the second rotating rod 17 close to the filter 12, and the cleaning brush 18 contacts the filter 12. The right output end of the dual-output motor 14 is connected with a rotating shaft 20, and the rotating shaft 20 is rotatably installed inside the precooling cylinder 3. A plurality of stirring rods 21 are evenly arranged and installed on the outer wall of the rotating shaft 20, and stirring blades 22 are connected to the stirring rods 21. A plurality of heat dissipation fin plates 8 are evenly installed at the front and rear ends of the box body 1, and the heat dissipation fin plates 8 are connected to the side walls of the precooling cylinder 3. An air outlet plate 23 is fixedly installed in the air outlet cavity, and a plurality of trumpet tubes 24 are evenly installed on the air outlet plate 23. The right end of the trumpet tube 24 is set as a small hole, and a guide cover 25 is connected to the right side wall of the precooling cylinder 3;

[0024] The dual-output motor 14 is started to drive the first rotating rod 15 to rotate, and the first rotating rod 15 drives the second rotating rod 17 to rotate through the plug sleeve 16, so that the cleaning brush 18 cleans the filter 12, and the impurities adhered to the surface of the filter 12 can be cleaned more conveniently, and the trouble of disassembling and cleaning can be avoided, so that the filter 12 can maintain a good filtering effect. When the dual-output motor 14 rotates, it drives the rotating shaft 20 to rotate, and the rotating shaft 20 drives multiple stirring rods 21 and stirring blades 22 to rotate, and stirs the coolant, so that the heat absorbed by the coolant can be quickly dissipated. The heat dissipation area can be increased through the heat dissipation fin plate 8, and the heat dissipation effect can be improved. The coolant can maintain a good cooling effect, reduce the trouble of frequent replacement, and improve the energy-saving effect. The air discharged from the spiral air supply pipe 5 is guided by the guide cover 25, and then the air is discharged through the trumpet tube 24. The principle of air cooling through small holes is used to reduce the air temperature, thereby improving the energy-saving effect.

[0025] like Figures 1 to 5As shown, the utility model is an energy-saving device of an air-cooled direct expansion machine. When working, the fixing base 27 is supported by the support legs 26, and the fixing base 27 is fixed by the fixing holes. Coolant is added to the pre-cooling cylinder 3 through the liquid inlet pipe 6, so that the spiral air pipe 5 is immersed in the coolant, and the air pump 4 is started to pump air so that the external air is pumped into the air inlet cavity. When the air enters the air inlet cavity, the impurities in the air can be easily filtered through the filter 12 to prevent the impurities from being sucked into the air inlet cavity. The air is input into the spiral air pipe 5. The coolant can be used to cool the air in the spiral air pipe 5 so that the air does not directly contact the coolant, and the inhaled air is prevented from being humid. The dual output motor 14 is started to drive The first rotating rod 15 rotates, and the first rotating rod 15 drives the second rotating rod 17 to rotate through the plug sleeve 16, so that the cleaning brush 18 cleans the filter 12, and the impurities adhered to the surface of the filter 12 can be cleaned more conveniently. When the dual-output motor 14 rotates, it drives the rotating shaft 20 to rotate, and the rotating shaft 20 drives multiple stirring rods 21 and stirring blades 22 to rotate, and stirs the coolant so that the heat absorbed by the coolant can be quickly dissipated. The heat dissipation area can be increased by the heat dissipation fin plate 8, so that the coolant can maintain a good cooling effect and reduce the trouble of frequent replacement. The air discharged from the spiral air supply pipe 5 is guided by the guide cover 25, and then the air is discharged through the trumpet tube 24. The air temperature is reduced by using the principle of air cooling through small holes.

[0026] The vacuum pump 4 and the dual-output motor 14 of the energy-saving device of the air-cooled direct expansion machine of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual without the need for creative work by technicians in this field.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An energy-saving device for an air-cooled direct expansion machine, characterized in that: The invention comprises a box body (1), wherein conical tubes (2) are installed at the left and right ends of the box body (1), air enters through the left conical tube (2), the right conical tube (2) is connected to the air-cooled direct expansion machine, the interior of the box body (1) is connected to a precooling tube (3), and the interior of the box body (1) is divided into an air inlet chamber, a cooling chamber and an air outlet chamber, a cooling component is installed in the cooling chamber inside the precooling tube (3), a filtering mechanism is installed at the input end of the left conical tube (2), a cleaning component is installed in the box body (1), and the cleaning component is in contact with the filtering component, and an air outlet component is installed in the air outlet chamber.

2. The energy-saving device for an air-cooled direct expansion machine according to claim 1, characterized in that: The cooling component comprises an air pump (4), a spiral air delivery pipe (5), a liquid inlet pipe (6) and a liquid outlet pipe (7); the two air pumps (4) are respectively mounted at the upper and lower ends of the left side wall of the precooling cylinder (3); the output end of the air pump (4) is connected to the input end of the spiral air delivery pipe (5); the output end of the spiral air delivery pipe (5) is connected to the right side of the precooling cylinder (3); the liquid inlet pipe (6) is fixedly connected to the top of the box body (1); the output end of the liquid inlet pipe (6) is connected to the inside of the precooling cylinder (3); the input end of the liquid outlet pipe (7) is connected to the lower part of the precooling cylinder (3); the output end of the liquid outlet pipe (7) passes through the front end of the box body (1) and is located outside the box body (1); and valves are arranged on the liquid inlet pipe (6) and the liquid outlet pipe (7).

3. The energy-saving device for an air-cooled direct expansion machine according to claim 1, characterized in that: The filtering mechanism comprises a mounting frame (10), a sealing ring (11), a filter screen (12) and a plurality of fixing bolts (13); a sealing groove is provided on the left side wall of the conical tube (2); a sealing ring (11) matching the sealing groove is installed on the mounting frame (10); the sealing ring (11) is installed on the outer wall of the conical tube (2) via a plurality of fixing bolts (13); and a filter screen (12) is installed in the middle of the mounting frame (10).

4. The energy-saving device for an air-cooled direct expansion machine according to claim 3, characterized in that: The cleaning assembly comprises a fixing plate (9), a dual-output motor (14), a first rotating rod (15), a plug sleeve (16), a second rotating rod (17), a cleaning brush (18) and a fastening nut (19), wherein the fixing plate (9) is fixedly mounted in the air inlet cavity, a plurality of bell mouths are evenly arranged on the fixing plate (9), the dual-output motor (14) is fixedly mounted in the middle of the fixing plate (9), the left output end of the dual-output motor (14) is connected to the first rotating rod (15), the first rotating rod (15) extends to the outside of the conical tube (2), and the middle of the filter screen (12) is provided with a plurality of bell mouths. A rotating hole matching the first rotating rod (15) is provided, a plurality of spline grooves and a thread groove are provided at the left end of the first rotating rod (15), a plug sleeve (16) is sleeved in the spline groove of the first rotating rod (15), a fastening nut (19) is screwed on the first rotating rod (15) to limit and fix the plug sleeve (16), a second rotating rod (17) is fixedly installed on the upper and lower side walls of the plug sleeve (16), a cleaning brush (18) is installed at one end of the second rotating rod (17) close to the filter screen (12), and the cleaning brush (18) contacts the filter screen (12).

5. The energy-saving device for an air-cooled direct expansion machine according to claim 4, characterized in that: The right output end of the dual-output motor (14) is connected to a rotating shaft (20), which is rotatably mounted inside the precooling cylinder (3). A plurality of stirring rods (21) are evenly arranged and mounted on the outer wall of the rotating shaft (20), and stirring blades (22) are connected to the stirring rods (21). A plurality of heat dissipation fins (8) are evenly mounted at the front and rear ends of the box body (1), and the heat dissipation fins (8) are connected to the side walls of the precooling cylinder (3).

6. The energy-saving device for an air-cooled direct expansion machine according to claim 1, characterized in that: The air outlet assembly comprises an air outlet plate (23), a plurality of trumpet tubes (24) and a guide cover (25); the air outlet plate (23) is fixedly installed in the air outlet cavity; a plurality of trumpet tubes (24) are evenly installed on the air outlet plate (23); the right end of the trumpet tube (24) is set as a small hole; and the guide cover (25) is connected to the right side wall of the precooling cylinder (3).

7. The energy-saving device for an air-cooled direct expansion machine according to claim 1, characterized in that: Support legs (26) are fixedly installed at the four corners of the bottom of the box body (1), and a fixing seat (27) is fixedly installed at the bottom of the support legs (26), and a fixing hole is arranged on the fixing seat (27).

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