Energy-saving water preheating device for heating and ventilation equipment

Abstract

The present application relates to the technical field of heating and ventilation equipment, in particular to a kind of water preheating equipment for energy-saving heating and ventilation equipment, including L-shaped plate;Heating and ventilation air conditioner outdoor unit is installed on L-shaped plate, and the bottom end of heating and ventilation air conditioner outdoor unit is provided with opening, and the bottom of L-shaped plate is provided with heat preservation box;It also includes preheating mechanism, and preheating mechanism includes water tank, hot air machine, pipeline structure, fluff structure, stirring pipe and pressure relief valve;The middle part of water tank is provided with preheating zone;The bottom end of water tank is connected with box a;Pipeline structure is arranged in the inside of box a;Stirring pipe is rotatably arranged in water tank;Driving assembly is arranged on box a;Hot air machine is communicated with stirring pipe by pipeline structure;Fluff structure is arranged on water tank;Water tank is connected with multiple pressure relief valves.The present application does not need to wait for cold water heating to end, improves preheating efficiency;In addition, fluff structure can evenly conduct heat to each fin and copper pipe, avoid the situation that part of fin and copper pipe does not play preheating effect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heating and ventilation equipment, and particularly relates to an energy-saving water preheating device for heating and ventilation equipment. BACKGROUND

[0002] The heating and ventilation air conditioner is an air conditioner with the functions of heating, ventilation and air conditioning. When the heating and ventilation air conditioner is used, when the outdoor temperature is lower than 5 DEG C and the air humidity is high, the surface temperature of the evaporator of the outdoor unit may be lower than the dew point temperature, and the water in the air may condense and frost.

[0003] The Chinese patent with the publication number CN219244341U discloses an energy-saving water preheating device for heating and ventilation equipment, which comprises a hot air blower, a servo motor a, an L-shaped stirring pipe, a preheating box, a heating net pipe and a water pump. Hot air is injected into the L-shaped stirring pipe by the hot air blower. Under the action of the servo motor a driving the L-shaped stirring pipe to rotate, the heating of the cold water in the preheating box can be accelerated. Then, the hot water is delivered to the heating net pipe by the water pump, and the equipment in the machine shell is preheated by the hot water.

[0004] However, the above-mentioned prior art has the following defects: the water in the preheating box needs to be heated to a certain temperature before the hot water can be delivered to the inside of the heating net pipe to preheat the equipment in the machine shell. It takes a certain time to heat the cold water to a certain temperature, which reduces the preheating efficiency. In addition, the main frost formation parts of the outdoor unit of the heating and ventilation air conditioner are the fins and the copper pipes. The heating net pipe can only exchange heat with the machine shell directly, and then the heat is transmitted to the equipment in the machine shell by the machine shell. In the above process, a large amount of heat is lost, which further reduces the preheating efficiency. Moreover, the number of fins and copper pipes is large and dense. The heat conducted through the space of the machine shell cannot be uniformly conducted to each fin and copper pipe, which easily leads to the situation that some fins and copper pipes do not have the preheating effect. SUMMARY

[0005] The present application aims at the problems in the background art and provides an energy-saving water preheating device for heating and ventilation equipment.

[0006] The technical scheme of the present application is as follows: an energy-saving water preheating device for heating and ventilation equipment, comprising an L-shaped plate; an outdoor unit of a heating and ventilation air conditioner is installed on the L-shaped plate, an opening is formed at the bottom end of the outdoor unit of the heating and ventilation air conditioner, and a heat preservation box is arranged below the outdoor unit of the heating and ventilation air conditioner on the L-shaped plate; further comprising:

[0007] The preheating mechanism is arranged in the heat preservation box and enters the inside of the air conditioner outdoor unit through the opening, and comprises a water tank, a hot air machine, a pipeline structure, a fluff structure, a stirring pipe and a pressure relief valve; the middle part of the water tank is provided with a preheating area; the bottom end of the water tank is connected with a box a; the pipeline structure is arranged inside the box a; the inside of the water tank is rotatably provided with the stirring pipe; the box a is provided with a driving assembly for driving the stirring pipe to rotate; the hot air machine is communicated with the stirring pipe through the pipeline structure; the water tank is provided with the fluff structure; one end of the fluff structure extends to the inside of the water tank, and the other end of the fluff structure extends to the preheating area; a plurality of downwardly inclined pressure relief valves are connected to the water tank;

[0008] The vibration mechanism comprises a box b, a spring and a motor c; the hot air machine is connected to the box b; the box b is slidably arranged outside the box a; the spring is arranged inside the box b and connected to the box a; the motor c is arranged on the box a;

[0009] The lifting mechanism is arranged on the L-shaped plate and connected with the box b, and is used for driving the preheating mechanism to lift.

[0010] Preferably, the water tank and the preheating area are both L-shaped to facilitate the shape of the copper pipe inside the air conditioner outdoor unit and the shape of the fin distribution; a water inlet is formed in the water tank, and an electromagnetic valve is arranged in the preheating area of the water tank.

[0011] Preferably, a box body is connected to the water tank near the bottom end; the box body is located in the preheating area, and a drain pipe is connected to the box body.

[0012] Preferably, an observation window is arranged on the water tank to facilitate observation of the water level inside the water tank.

[0013] Preferably, a plurality of branch pipes are uniformly distributed on the stirring pipe; a check valve is arranged on the branch pipe; a pipe a is connected to the bottom end of the stirring pipe; the pipeline structure comprises a pipe b and a pipe c; the pipe b is communicated with the hot air machine; the pipe c is provided with a plurality of ends, one end of which is communicated with the pipe b, and the other end of the pipe c is rotatably connected with the pipe a.

[0014] Preferably, the driving assembly comprises a motor a, a gear a and a gear b; the motor a is mounted on the box a and the output end thereof is connected with the gear a; the gear b is connected to the pipe a and engaged with the gear a, and adjacent gears b are engaged with each other.

[0015] Preferably, the fluff structure comprises heat-conducting carbon fibers and bristles, and the heat-conducting carbon fibers and the bristles are woven into a spiral shape.

[0016] Preferably, a moving slot is formed in the L-shaped plate; the lifting mechanism comprises a motor b, a carrier plate, a winding wheel and a traction rope; the motor b is connected to the L-shaped plate, and the output end of the motor b is connected with the winding wheel; one end of the traction rope is connected with the winding wheel, and the other end of the traction rope is connected with the carrier plate; the carrier plate passes through the moving slot and is connected with the box b.

[0017] Compared with the prior art, the above technical scheme of the present application has the following beneficial technical effects:

[0018] By being provided with the preheating mechanism and the lifting mechanism, the lifting mechanism drives the preheating mechanism to move to the inside of the air conditioner outdoor unit, and in the process of heating the cold water, the heat absorbed by the cold water can be conducted to the fins and copper pipes through the villi structure, without waiting for the heating of the cold water to end, thereby improving the preheating efficiency; since the villi structures are densely arranged and uniformly distributed, the villi structures can directly and uniformly conduct the heat to each fin and copper pipe, reducing the heat loss and avoiding the situation that some fins and copper pipes do not have the preheating effect.

[0019] By being provided with the vibration mechanism, the vibration mechanism drives the water tank to vibrate, so that the villi structure can clean the dust on the surfaces of the fins and copper pipes; when the air pressure inside the water tank is too large, the pressure relief valve can spray gas, which can blow most of the cleaned dust into the box below, thereby realizing the dust cleaning function of the fins and copper pipes. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A perspective view of an embodiment of the present application;

[0021] Figure 2 A structure diagram when there is no heat preservation box in an embodiment of the present application Figure 1 ;

[0022] Figure 3 A structure diagram when there is no heat preservation box in an embodiment of the present application Figure 2 ;

[0023] Figure 4 A structure diagram when there is no heat preservation box and the preheating mechanism enters the inside of the air conditioner outdoor unit in an embodiment of the present application;

[0024] Figure 5 A structure diagram when the box a and the box b are separated in an embodiment of the present application;

[0025] Figure 6 A structure diagram when the box a, the box b are separated and the box a and the water tank are separated in an embodiment of the present application Figure 1 ;

[0026] Figure 7 A structure diagram when the box a, the box b are separated and the box a and the water tank are separated in an embodiment of the present application Figure 6 ;

[0027] Figure 8 A structure diagram when the box a, the box b are separated and the box a and the water tank are separated in an embodiment of the present application Figure 2 ;

[0028] Figure 9For Figure 8 Enlarged structural schematic view at B;

[0029] Figure 10 For Figure 8 Enlarged structural schematic view at C;

[0030] Figure 11 For the cross-sectional structure of the stirring pipe in an embodiment of the present application.

[0031] Reference signs: 1, L-shaped plate; 2, motor b; 3, moving through slot; 4, traction rope; 5, carrier plate; 6, box b; 7, box a; 8, water tank; 801, water inlet; 9, hot air machine; 10, fluff structure; 11, motor c; 12, spring; 13, motor a; 14, gear b; 15, pipe b; 16, pipe c; 17, observation window; 18, pressure relief valve; 19, electromagnetic valve; 20, drain pipe; 21, box body; 22, stirring pipe; 23, branch pipe; 24, check valve; 25, pipe a; 26, gear a; 27, heat preservation box. DETAILED DESCRIPTION

[0032] Embodiment one, as shown in Figures 1-5 and Figures 8-11 The present application provides a kind of water preheating equipment for energy-saving heating equipment, including L-shaped plate 1;Heating and air conditioning outdoor unit is installed on L-shaped plate 1, the bottom end of heating and air conditioning outdoor unit is equipped with opening, L-shaped plate 1 below heating and air conditioning outdoor unit is equipped with heat preservation box 27, the top end of heat preservation box 27 contacts the bottom end of heating and air conditioning outdoor unit, the top end of heat preservation box 27 is equipped with import and export, it is convenient for preheating mechanism to enter and exit heat preservation box 27;It also includes preheating mechanism, vibration mechanism and lifting mechanism;

[0033] The preheating mechanism is arranged in the heat preservation box 27 and enters the inside of the air conditioning outdoor unit through the opening. The heat preservation box 27 can play a heat preservation role on the preheating mechanism, so as to avoid the freezing of water in the water tank 8 when the preheating mechanism is not used. The heat preservation box 27 is provided with a hinged door. The preheating mechanism comprises the water tank 8, the hot air machine 9, a pipeline structure, the fluff structure 10, the stirring pipe 22 and the pressure relief valve 18. The middle part of the water tank 8 is provided with a preheating area. The water tank 8 and the preheating area are both L-shaped, so as to be suitable for the shape of the copper pipe and the distribution shape of the fins inside the air conditioning outdoor unit. The bottom end of the water tank 8 is connected with a tank body a7. Cold water is stored in the water tank 8. The pipeline structure is arranged inside the tank body a7. The stirring pipe 22 is rotatably arranged in the water tank 8. A plurality of branch pipes 23 are uniformly distributed on the stirring pipe 22. The branch pipe 23 is provided with a check valve 24, which can prevent water from entering the inside of the stirring pipe 22. The bottom end of the stirring pipe 22 is connected with a pipe a25. The tank body a7 is provided with a driving assembly for driving the stirring pipe 22 to rotate. The hot air machine 9 is communicated with the stirring pipe 22 through the pipeline structure. The pipeline structure comprises a pipe b15 and a pipe c16. The pipe b15 is communicated with the hot air machine 9 (including but not limited to being communicated through an elastic hose). The pipe c16 is provided with a plurality of pipes and one end of the pipe c16 is communicated with the pipe b15. The other end of the pipe c16 is rotatably connected with the pipe a25. The water tank 8 is provided with the fluff structure 10. The fluff structure 10 comprises heat-conducting carbon fibers and bristles. The heat-conducting carbon fibers and the bristles are woven into a spiral shape, so that the fluff structure 10 has a certain toughness and elasticity and can be easily inserted between the dense copper pipes and the fins. One end of the fluff structure 10 extends to the inside of the water tank 8. The other end of the fluff structure 10 extends to the preheating area. A plurality of pressure relief valves 18 are connected to the water tank 8 and are inclined downward.

[0034] The vibration mechanism comprises a tank body b6, a spring 12 and a motor c11. The hot air machine 9 is connected to the tank body b6. The tank body b6 is slidably arranged outside the tank body a7. The spring 12 is arranged inside the tank body b6 and is connected to the tank body a7. The motor c11 is arranged on the tank body a7.

[0035] The lifting mechanism is arranged on the L-shaped plate 1 and is connected with the tank body b6, so as to drive the preheating mechanism to lift.

[0036] It should be noted that the water tank 8 has good heat conductivity. The heat of the hot water in the water tank 8 can be conducted to the air conditioning outdoor unit through the water tank 8, so as to preheat the air conditioning outdoor unit shell and other internal equipment.

[0037] In this embodiment, the preheating mechanism is lifted by the lifting mechanism to enter the inside of the air conditioning outdoor unit through the opening. At this time, the copper pipes and fins in the air conditioning outdoor unit are located in the preheating area. The fluff structure 10 is inserted between the dense copper pipes and fins (the fluff structure 10 can contact each copper pipe and fin), and then the hot air blower 9 is turned on. The hot air blower 9 sends hot air to the inside of the stirring pipe 22 through the pipeline structure. The hot air flow is discharged to the cold water through the branch pipe 23 to realize the heating function of the cold water. At the same time, under the action of the driving assembly, the stirring pipe 22 rotates, and the stirring pipe 22 drives the branch pipe 23 to rotate, which can stir the cold water and accelerate the uniform mixing of hot air and cold water to improve the heating efficiency of the cold water. During the heating of the cold water, the heat absorbed by the cold water can be conducted to the fins and copper pipes through the fluff structure 10, without waiting for the heating of the cold water to end, thereby improving the preheating efficiency. Because the fluff structure 10 is densely and uniformly distributed, the fluff structure 10 can directly and uniformly conduct heat to each fin and copper pipe, reducing heat loss and avoiding the situation that some fins and copper pipes do not have preheating effect.

[0038] When the fluff structure 10 preheats the fins and copper pipes, the motor c11 is turned on at the same time. The motor c11 is a vibration motor, which drives the box body a7 to vibrate up and down, and the box body a7 drives the preheating mechanism to vibrate up and down (the spring 12 can intensify the vibration of the preheating mechanism, improve the vibration frequency of the fluff structure 10, and further improve the cleaning efficiency). The fluff structure 10 plays a cleaning role on the dust on the surface of the fins and copper pipes. When the air pressure inside the water tank 8 is too large, the pressure relief valve 18 will spray gas. Because the pressure relief valve 18 is arranged obliquely downward, the sprayed gas is also obliquely downward, which can blow most of the cleaned dust into the box body 21 below. The sprayed gas still has residual heat, which can preheat the air conditioning outdoor unit shell and internal equipment.

[0039] It is worth noting that the filter cloth is arranged in the box body 21 at the drain pipe 20 to filter dust. After the water tank 8 enters the inside of the air conditioning outdoor unit, the side walls at both ends of the water tank 8 are attached to the inner walls of the air conditioning outdoor unit (refer to Figure 4 ), so that the preheating area is only open at the top and the rest of the four sides are closed. The obliquely downward gas sprayed by the pressure relief valve 18 can only flow downward under the flow guiding action of the preheating area, so as to blow the dust into the box body 21. The gas entering the box body 21 is discharged through the drain pipe 20.

[0040] In embodiment two, as Figures 8-10As shown, the energy-saving water preheating device for heating and ventilation equipment is provided, compared with the first embodiment, the water tank 8 is provided with a water inlet 801 (a one-way valve is arranged at the water inlet 801), and the electromagnetic valve 19 is arranged in the preheating area of the water tank 8; the box body 21 is connected to the water tank 8 close to the bottom end; the box body 21 is arranged in the preheating area, and the drain pipe 20 is connected to the box body 21; the observation window 17 is arranged on the water tank 8, so that the water level inside the water tank 8 can be observed; the alarm lamp and the controller are arranged on the heat preservation box 27, and the liquid level sensor is arranged in the water tank 8; the liquid level sensor is a high-temperature-resistant liquid level sensor (for example, a capacitive liquid level sensor).

[0041] In the embodiment, when the preheating mechanism comes out of the heating and ventilation air conditioner outdoor unit, the electromagnetic valve 19 is opened, so that the water in the water tank 8 flows out and enters the inside of the box body 21, the dust in the box body 21 can be washed, and the dust in the box body 21 can be removed through the drain pipe 20, so that the dust in the box body 21 can be cleaned.

[0042] When the water in the water tank 8 is less than two-thirds, the liquid level sensor detects that the cold water level in the water tank 8 is lower than the threshold value, the liquid level sensor feeds back to the controller, the controller controls the alarm lamp to emit light and emits an alarm sound, reminding the user to supplement the cold water in the water tank 8; the user can supplement the cold water in the water tank 8 through the water inlet 801 on the water tank 8 by opening the hinged door.

[0043] As shown in the third embodiment, Figures 6-8 The energy-saving water preheating device for heating and ventilation equipment is provided, compared with the second embodiment, the structure of the driving assembly is introduced in detail, the driving assembly comprises the motor a13, the gear a26 and the gear b14; the motor a13 is installed on the box body a7 and the output end thereof is connected with the gear a26; the gear b14 is connected to the pipe a25 and meshes with the gear a26, and the adjacent gears b14 mesh with each other.

[0044] In the embodiment, the motor a13 drives the gear a26 at the output end thereof to rotate, the gear a26 drives the gear b14 meshing therewith to rotate, the gear b14 drives the remaining gears b14 to rotate, the gear b14 drives the pipe a25 to rotate, the pipe a25 drives the stirring pipe 22 to rotate, and the stirring pipe 22 rotates to stir the cold water in the water tank 8, so that the hot gas and the cold water are uniformly mixed, and the heating efficiency of the cold water is improved.

[0045] As shown in the fourth embodiment, Figure 3As shown, the application provides a water preheating device for energy-saving heating and ventilation equipment, which further introduces the structure of the lifting mechanism compared with the third embodiment. The L-shaped plate 1 is provided with a moving through slot 3. The lifting mechanism includes a motor b2, a carrier plate 5, a winding wheel and a traction rope 4. The motor b2 is connected to the L-shaped plate 1, and the output end of the motor b2 is connected to the winding wheel. One end of the traction rope 4 is connected to the winding wheel, and the other end of the traction rope 4 is connected to the carrier plate 5. The carrier plate 5 is connected to the box body b6 through the moving through slot 3.

[0046] In this embodiment, the motor b2 is a double-shaft motor. When the motor b2 works, it drives the winding wheels at both ends to rotate clockwise (refer to Figure 3 ). The winding wheel winds the traction rope 4, the traction rope 4 drives the carrier plate 5 to rise, the carrier plate 5 drives the box body b6 to rise, the box body b6 drives the box body a7 to rise through the supporting force of the spring 12, and the box body a7 drives the water tank 8 to rise. When the whole preheating mechanism passes through the opening at the bottom end of the heating and ventilation air conditioner outdoor unit and enters the inside until the box body a7 contacts the bottom end of the heating and ventilation air conditioner outdoor unit, the water tank 8 cannot continue to rise.

[0047] When the motor b2 drives the winding wheels at both ends to rotate counterclockwise (refer to Figure 3 ), the wound traction rope 4 can be unwound, so that the box body b6 drives the box body a7 to move downward, and then the preheating mechanism moves out of the heating and ventilation air conditioner outdoor unit through the opening.

[0048] In summary, when the heating and ventilation air conditioner outdoor unit needs to be preheated, the motor b2 is started. When the motor b2 works, it drives the winding wheels at both ends to rotate clockwise (refer to Figure 3), the winding wheel of the winding wheel 4, the traction rope 4 drives the carrier plate 5 to rise, the carrier plate 5 drives the box b6 to rise, the box b6 drives the box a7 to rise through the supporting force of the spring 12, the box a7 drives the water tank 8 to rise, so that the whole preheating mechanism passes through the opening at the bottom of the warm air conditioning outdoor unit and enters the inside until the box a7 contacts the bottom of the warm air conditioning outdoor unit, the water tank 8 cannot continue to rise; At this time, the copper pipe and the fin in the warm air conditioning outdoor unit are located in the preheating area, the fluff structure 10 is inserted between the dense copper pipe and the fin (the fluff structure 10 can contact each copper pipe and fin), then the hot air blower 9 is started, the hot air blower 9 sends hot air to the inside of the stirring pipe 22 through the pipeline structure, the hot air flow is discharged to the cold water through the branch pipe 23, realizing the heating function of the cold water; At the same time, the motor a13 is started, the motor a13 drives the gear a26 at the output end to rotate, the gear a26 drives the gear b14 meshing with it to rotate, the gear b14 drives the remaining gears b14 to rotate, the gear b14 drives the pipe a25 to rotate, the pipe a25 drives the stirring pipe 22 to rotate, the stirring pipe 22 can stir the cold water in the water tank 8, accelerate the uniform mixing of hot air and cold water, improve the heating efficiency of cold water; During the heating of the cold water, the heat absorbed by the cold water can be conducted to the fin and copper pipe through the fluff structure 10, without waiting for the heating of the cold water to end, improving the preheating efficiency; Because the fluff structure 10 is dense and uniformly distributed, the fluff structure 10 can directly and uniformly conduct heat to each fin and copper pipe, reducing heat loss and avoiding the situation that part of the fins and copper pipes do not have preheating effect; The water tank 8 itself has good heat conductivity, the heat in the water can be conducted to the warm air conditioning outdoor unit through the water tank 8, which is convenient for preheating the warm air conditioning outdoor unit shell and other internal equipment.

[0049] When the fluff structure 10 preheats the fin and copper pipe, the motor c11 is started at the same time, the motor c11 is a vibration motor, the motor c11 drives the box a7 to vibrate up and down, the box a7 drives the preheating mechanism to vibrate up and down (the spring 12 can intensify the vibration of the preheating mechanism, improve the vibration frequency of the fluff structure 10, and further improve the cleaning efficiency), so that the fluff structure 10 plays a cleaning role on the dust on the surface of the fin and copper pipe (the vibration of the water tank 8 is very high but the amplitude is very small, ensuring that the fin and copper pipe are still in the preheating area during the vibration process), when the internal air pressure of the water tank 8 is too large, the pressure relief valve 18 will spray gas, because the pressure relief valve 18 is arranged obliquely downward, the sprayed gas is also obliquely downward, which can blow most of the cleaned dust into the box body 21 below, realizing the dust cleaning function of the fin and copper pipe, the gas entering the box body 21 is finally discharged through the drain pipe 20, the filter cloth in the box body 21 can realize the dust filtering function, avoiding the dust being discharged with the gas through the drain pipe 20, and the discharged gas still has residual heat, which can preheat the warm air conditioning outdoor unit shell and other internal equipment.

[0050] After the preheating of the air conditioner outdoor unit is completed, the motor b2 is started again, so that the motor b2 drives the winding wheels at both ends to rotate counterclockwise (refer to Figure 3 ), the wound traction rope 4 is loosened and unfolded, so that the box b6 drives the box a7 to move downward, and then the preheating mechanism moves out of the air conditioner outdoor unit through the opening. After that, the user can open the hinged door on the heat preservation box 27 to enter the heat preservation box 27, place the container at the drain pipe 20, open the electromagnetic valve 19 to make the water in the water tank 8 flow out and into the inside of the box body 21, and flush the dust in the box body 21, and then the dust is discharged through the drain pipe 20 and flows into the container, so as to realize the cleaning effect of the dust in the box body 21; when the water in the water tank 8 is less than two-thirds, the liquid level sensor will monitor that the cold water level in the water tank 8 is lower than the threshold value, the liquid level sensor feeds back to the controller, the controller controls the alarm light to emit light and emits an alarm sound, reminding the user to supplement cold water into the water tank 8, and the water tank 8 can be supplemented with cold water through the water inlet 801 (the water inlet 801 is provided with a one-way valve).

[0051] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. An energy-saving water preheating device for heating and ventilation equipment, comprising an L-shaped plate (1); a heating and ventilation air conditioner outdoor unit is installed on the L-shaped plate (1), an opening is formed at the bottom end of the heating and ventilation air conditioner outdoor unit, and a heat preservation box (27) is arranged below the heating and ventilation air conditioner outdoor unit on the L-shaped plate (1); characterized in that, Also include: The preheating mechanism is arranged in the heat preservation box (27) and enters the inside of the warm air conditioning outdoor unit through the opening, and the preheating mechanism includes a water tank (8), a hot air machine (9), a pipeline structure, a fluff structure (10), a stirring pipe (22) and a pressure relief valve (18); the middle part of the water tank (8) is provided with a preheating area; the bottom end of the water tank (8) is connected with a box a (7); the pipeline structure is arranged inside the box a (7); the inside of the water tank (8) is rotatably provided with the stirring pipe (22); the box a (7) is provided with a driving assembly for driving the stirring pipe (22) to rotate; the hot air machine (9) is communicated with the stirring pipe (22) through the pipeline structure; the water tank (8) is provided with the fluff structure (10); one end of the fluff structure (10) extends to the inside of the water tank (8), and the other end of the fluff structure (10) extends to the preheating area; the fluff structure (10) includes heat-conducting carbon fibers and bristles, and the heat-conducting carbon fibers and the bristles are woven into a spiral shape; the fluff structure (10) is inserted between and in contact with the dense copper pipes and the fins; a plurality of downwardly inclined pressure relief valves (18) are connected to the water tank (8); The vibration mechanism includes a box b (6), a spring (12) and a motor c (11); the hot air machine (9) is connected to the box b (6); the box b (6) is slidably arranged outside the box a (7); the spring (12) is arranged inside the box b (6) and connected to the box a (7); the motor c (11) is arranged on the box a (7); The lifting mechanism is arranged on the L-shaped plate (1) and connected with the box b (6), and is used for driving the preheating mechanism to lift.

2. The energy saving water preheating device for heating, ventilation and air conditioning equipment according to claim 1, characterized in that, The water tank (8) and the preheating area are both L-shaped, which is convenient for adapting to the shape of the copper pipes and the fin distribution shape inside the warm air conditioning outdoor unit; a water inlet (801) is formed in the water tank (8); an electromagnetic valve (19) is arranged in the preheating area of the water tank (8).

3. The energy saving water preheating device for heating, ventilation and air conditioning equipment according to claim 1, characterized in that, A box body (21) is connected to the water tank (8) near the bottom end; the box body (21) is located in the preheating area, and a drain pipe (20) is connected to the box body (21).

4. The energy saving water preheating device for heating, ventilation and air conditioning equipment according to claim 1, characterized in that, An observation window (17) is arranged on the water tank (8), which is convenient for observing the water level inside the water tank (8).

5. The energy saving water preheating device for heating, ventilation and air conditioning equipment according to claim 1, characterized in that, A plurality of branch pipes (23) are uniformly distributed on the stirring pipe (22); a check valve (24) is arranged on the branch pipe (23); a pipe a (25) is connected to the bottom end of the stirring pipe (22); the pipeline structure includes a pipe b (15) and a pipe c (16); the pipe b (15) is communicated with the hot air machine (9); the pipe c (16) is provided with a plurality of ends, one end of which is communicated with the pipe b (15), and the other end of which is rotatably connected with the pipe a (25).

6. The energy-saving water preheating apparatus for a heating, ventilation, and air conditioning device according to claim 5, wherein The driving assembly includes a motor a (13), a gear a (26) and a gear b (14); the motor a (13) is installed on the box a (7) and the output end thereof is connected with the gear a (26); the gear b (14) is connected on the pipe a (25) and engaged with the gear a (26), and adjacent gear b (14) are engaged with each other.

7. The energy saving water preheating device for heating, ventilation and air conditioning equipment according to claim 1, characterized in that, The L-shaped plate (1) is provided with a moving through slot (3); the lifting mechanism comprises a motor b (2), a carrier plate (5), a winding wheel and a traction rope (4); the motor b (2) is connected to the L-shaped plate (1), and the output end of the motor b (2) is connected to the winding wheel; one end of the traction rope (4) is connected to the winding wheel, and the other end of the traction rope (4) is connected to the carrier plate (5); the carrier plate (5) is connected to the box body b (6) through the moving through slot (3).

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