Heating ventilation air conditioner waste heat recovery device
By introducing a rotating shaft and agitating blade heating unit, bevel gear and universal shaft cleaning unit in the HVAC waste heat recovery device, the problems of hot air impurities and filter dust collection in the existing device are solved, and uniform heating of hot air is achieved The effective cleaning of the filter improves the energy reuse and air supply efficiency of the air conditioning system.
Patent Information
- Application Number
- CN202420745367.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-11
AI Technical Summary
The existing HVAC waste heat recovery device has impurities and dust collection problems in the filtration of inhaled gas and cleaning of the filter, which affects the circulation speed.
A HVAC waste heat recovery device including a heating unit and a cleaning unit is designed. The agitating paddle blades and bevel gear system are driven by a rotating shaft to make the water in the water tank heat evenly, and the cleaning is driven by a universal shaft interface and a moving rod. The plate moves repeatedly on the surface of the filter to remove dust.
It realizes uniform heating of hot air and effective cleaning of filters, improving the energy reuse efficiency and air supply speed of the air conditioning system.
Smart Images

Figure CN222256940U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heating, ventilation and air conditioning, and in particular to a heating, ventilation and air conditioning waste heat recovery device. Background Art
[0002] The main functions of existing HVAC include heating, ventilation and air conditioning. The comprehensive abbreviation of these three functions is HVAC. HVAC is a central air conditioner for each household. The biggest feature of central air conditioner is that it can create a comfortable indoor environment. The general split air conditioner in the home can only solve the problem of heating and cooling, but cannot solve the air treatment process.
[0003] The patent document with publication number CN219120737U discloses a waste heat recovery device for a heating and ventilation air conditioner. The device, through the cooperation of a heating and ventilation air conditioner body, a connecting pipe and a heating chamber, enables the waste heat discharged by the heating and ventilation air conditioner body to be transferred to the interior of the heating chamber and heats the water to be heated in the heating chamber. Through the cooperation of the heating pipe and the bracket, the heated water to be heated heats the water in the heating pipe. Through the installation of the exhaust pipe, the waste heat discharged into the heating chamber is quickly discharged after heating the water to be heated. Through the cooperation of the screw, the bearing and the filter, the waste heat gas discharged into the heating chamber through the connecting pipe is filtered. Through the cooperation of the door and the handle, it is convenient for workers to clean the filter, so that the waste heat discharged by the heating and ventilation air conditioner body can be effectively collected and reused, thereby ensuring the reuse of energy, protecting the environment, increasing the scope of use of the heating and ventilation air conditioner body, and improving practicality.
[0004] However, in the existing technology, the inhaled gas cannot be filtered during use, and impurities may be present in the hot gas during absorption; at the same time, the filter screen is cleaned during use, resulting in more dust on the filter screen, thereby affecting the circulation speed; Utility Model Content
[0005] The main purpose of the utility model is to provide a HVAC waste heat recovery device, which can effectively solve the problem of waste heat recovery and reuse.
[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0007] A waste heat recovery device for heating, ventilation and air conditioning, comprising a device housing, wherein the waste heat recovery device is installed inside the device housing, wherein the waste heat recovery device comprises a heating unit and a cleaning unit, wherein the heating unit and the cleaning unit are both installed inside the device housing;
[0008] The heating unit includes an air collecting hood, an air blowing plate, a connecting sleeve, a rotating shaft, a water tank, a water inlet pipe, a heat collecting plate, an upper stirring blade, a lower stirring blade, and a hot air inlet pipe. The air inlet pipe is installed on the back of the device shell, the air collecting hood is installed at the air outlet of the air inlet pipe, the water tank is installed inside the device shell, the rotating shaft is installed inside the water tank, the connecting sleeve is installed on the outer surface of the rotating shaft above the water tank, the air blowing plate is installed on the outer surface of the connecting sleeve, the water inlet pipe is installed on the top of the water tank, the heat collecting plate is installed on the side of the water tank, the upper stirring blade is installed on the outer surface of the rotating shaft located inside the water tank, the lower stirring blade is installed on the outer surface of the rotating shaft located inside the water tank, and the hot air inlet pipe is installed at the bottom of the air inlet pipe.
[0009] Preferably, there are six groups of blowing plates, and they are circularly symmetrical with the center of the connecting sleeve as the center.
[0010] Preferably, there are two upper stirring blades and two lower stirring blades, and the upper stirring blade and the lower stirring blade have the same structure and face in opposite directions.
[0011] Preferably, the heat dissipating side of the heat collecting plate is located outside the device housing.
[0012] Preferably, the cleaning unit includes bevel gear 1, bevel gear 2, a transmission shaft, a fixed plate, a rotating disc, universal shaft interface 1, a connecting rod, universal shaft interface 2, a movable rod, a cleaning plate, and a filter, wherein the bevel gear 1 is installed on the outer surface of the rotating shaft, the bevel gear 2 gears are meshed with the outer side of the bevel gear 1, the transmission shaft is installed inside the bevel gear 2, the fixed plate is installed on the top of the air inlet duct, the rotating disc is installed on the side of the transmission shaft away from the bevel gear 2, the universal shaft interface 1 is installed on the top of the rotating disc, the connecting rod is installed on the top of the universal shaft interface 1, the universal shaft interface 2 is installed on the side of the connecting rod away from the universal shaft interface 1, the movable rod is installed at the bottom of the universal shaft interface 2, the cleaning plate is installed at the bottom of the movable rod, and the filter is installed inside the air inlet duct.
[0013] Preferably, a ball bearing is installed inside the fixing plate, and the transmission shaft is located in the inner ring of the ball bearing inside the fixing plate.
[0014] Preferably, one side of the moving rod is fixedly connected to the cleaning plate, the other side of the moving rod is fixedly connected to the second universal shaft interface, and the moving rod is movably connected to the top of the air inlet pipe.
[0015] Preferably, a control panel is installed on the front of the device shell, and a clothes hook is installed on the front of the device shell and on the top of the heat collecting plate.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] 1. The hot air is gathered and blown out through the air inlet pipe through the wind collecting hood, and then blown to the blowing plate, so that the blowing plate rotates, and then the blowing plate rotates, so that the blowing plate drives the rotating shaft to rotate, thereby controlling the upper stirring blade and the lower stirring blade to rotate, so that the water inside the water tank can be heated evenly.
[0018] 2. The rotating shaft rotates to drive bevel gear 1 and bevel gear 2 to rotate, so that the transmission shaft drives the rotating disc to rotate, and the universal shaft interface 1, the connecting rod and the universal shaft interface 2 are mutually applicable, so that the moving rod drives the cleaning plate to move up and down repeatedly on the surface of the filter, thereby removing the dust on the surface of the filter. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the internal structure of the utility model;
[0020] Figure 2 It is a schematic diagram of the overall structure of the utility model;
[0021] Figure 3 This is a diagram of the surface connection structure of the rotating shaft of the utility model;
[0022] Figure 4 This is a schematic diagram of the internal structure of the air inlet pipe of the utility model;
[0023] Figure 5 This is a schematic diagram of the cleaning unit structure of the utility model.
[0024] In the figure: 101, device housing; 102, air inlet pipe; 103, control panel; 104, clothes hook; 201, wind hood; 202, blowing plate; 203, connecting sleeve; 204, rotating shaft; 205, water storage tank; 206, water inlet pipe; 207, heat collecting plate; 208, upper stirring blade; 209, lower stirring blade; 210, hot air inlet pipe; 301, bevel gear one; 302, bevel gear two; 303, transmission shaft; 304, fixed plate; 305, rotating disc; 306, universal shaft interface one; 307, connecting rod; 308, universal shaft interface two; 309, moving rod; 310, cleaning plate; 311, filter. DETAILED DESCRIPTION
[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0026] like Figure 1-5As shown, a HVAC waste heat recovery device includes a device housing 101, a waste heat recovery device is installed inside the device housing 101, and the waste heat recovery device includes a heating unit and a cleaning unit, and the heating unit and the cleaning unit are both installed inside the device housing 101;
[0027] The heating unit includes a wind collecting hood 201, a blowing plate 202, a connecting sleeve 203, a rotating shaft 204, a water storage tank 205, a water inlet pipe 206, a heat collecting plate 207, an upper stirring blade 208, a lower stirring blade 209, and a hot air inlet pipe 210. The air inlet pipe 102 is installed on the back of the device shell 101, the wind collecting hood 201 is installed at the air outlet of the air inlet pipe 102, the water storage tank 205 is installed inside the device shell 101, the rotating shaft 204 is installed inside the water storage tank 205, the connecting sleeve 203 is installed on the outer surface of the rotating shaft 204 located above the water storage tank 205, the blowing plate 202 is installed on the outer surface of the connecting sleeve 203, the water inlet pipe 206 is installed on the top of the water storage tank 205, and the heat collecting plate 207 is installed on the water storage tank 20 5, the upper stirring blade 208 is installed on the outer surface of the rotating shaft 204 located inside the water tank 205, the lower stirring blade 209 is installed on the outer surface of the rotating shaft 204 located inside the water tank 205, and the hot air inlet pipe 210 is installed at the bottom of the air inlet pipe 102, so that the hot air enters the interior of the water tank 205 through the hot air inlet pipe 210, and the wind inside the air inlet pipe 102 is further gathered through the wind gathering cover 201 and blown to the outer surface of the blowing plate 202, thereby driving the rotating shaft 204 to rotate, so that the rotating shaft 204 drives the upper stirring blade 208 and the lower stirring blade 209 to rotate, so that the inside of the water tank 205 is fully stirred, so that the water inside the water tank 205 is evenly heated.
[0028] There are six groups of blowing plates 202, and they are symmetrical about the center of the connecting sleeve 203. By providing a plurality of blowing plates 202, energy transmission is faster, so that the rotation shaft 204 can rotate more conveniently.
[0029] There are two upper stirring blades 208 and lower stirring blades 209, and the upper stirring blades 208 and the lower stirring blades 209 have the same structure and are in opposite directions. By setting up two groups of stirring blades in opposite directions, the upper stirring blades 208 and the lower stirring blades 209 cooperate with each other, so that convection is formed inside the water tank 205, so that the water inside the water tank 205 is heated more evenly.
[0030] The heat dissipating side of the heat collecting plate 207 is located outside the device housing 101 , so that after heating the water inside the water storage tank 205 , the heat is concentrated inside the heat collecting plate 207 , thereby dissipating the heat through the heat collecting plate 207 .
[0031] The cleaning unit includes a bevel gear 1 301, a bevel gear 2 302, a transmission shaft 303, a fixed plate 304, a rotating disc 305, a universal shaft interface 1 306, a connecting rod 307, a universal shaft interface 2 308, a moving rod 309, a cleaning plate 310, and a filter screen 311. The bevel gear 1 301 is installed on the outer surface of the rotating shaft 204, the bevel gear 2 302 is meshed with the outer side of the bevel gear 1 301, the transmission shaft 303 is installed inside the bevel gear 2 302, the fixed plate 304 is installed on the top of the air inlet pipe 102, the rotating disc 305 is installed on the side of the transmission shaft 303 away from the bevel gear 2 302, the universal shaft interface 1 306 is installed on the top of the rotating disc 305, the connecting rod 307 is installed on the top of the universal shaft interface 1 306, and the universal shaft interface 2 308 is installed on the connecting rod 30 7 is far away from the side of the universal shaft interface 1 306, the moving rod 309 is installed at the bottom of the universal shaft interface 2 308, the cleaning plate 310 is installed at the bottom of the moving rod 309, and the filter 311 is installed inside the air inlet pipe 102. By installing the cleaning unit, when the rotating shaft 204 rotates, the bevel gear 1 301 and the bevel gear 2 302 are meshed with each other, so that the transmission shaft 303 rotates, thereby driving the rotating disk 305 to rotate, so that the universal shaft interface 1 306, the connecting rod 307, and the universal shaft interface 2 308 are adapted to each other, so that the moving rod 309 drives the cleaning plate 310 to repeatedly move on the outer surface of the filter 311, so as to remove the dust on the surface of the filter 311, so as to prevent too much dust on the surface of the filter 311 from affecting the air supply volume.
[0032] A ball bearing is installed inside the fixing plate 304 , and the transmission shaft 303 is located in the inner ring of the ball bearing inside the fixing plate 304 , so that the fixing plate 304 can limit and fix the transmission shaft 303 .
[0033] One side of the moving rod 309 is fixedly connected to the cleaning plate 310 , the other side of the moving rod 309 is fixedly connected to the universal shaft interface 2 308 , and the moving rod 309 is movably connected to the top of the air inlet pipe 102 .
[0034] A control panel 103 is installed on the front of the device shell 101, and a clothes hook 104 is installed on the front of the device shell 101 and on the top of the heat collecting plate 207, so that the remaining water in the water tank 205 can be observed through the control panel 103, so that it is convenient to add water to the water tank 205. At the same time, wet clothes can be placed through the clothes hook 104, so that the wet clothes can be dried through the heat collecting plate 207, thereby improving the practicability of the device.
[0035] It should be noted that the specific installation method of the HVAC, the circuit connection method and the control method used in the present invention are all conventional designs and will not be elaborated in detail in the present invention.
[0036] The working principle of the utility model is as follows: water is added into the water storage tank 205 through the water inlet pipe 206, and air is blown through the air inlet pipe 102, so that the wind blown out of the air inlet pipe 102 is diverted through the hot air inlet pipe 210, so that it enters the water storage tank 205 through the hot air inlet pipe 210, and the air outlet of the hot air inlet pipe 210 is located at the bottom of the water storage tank 205, so that the wind blown out of the hot air inlet pipe 210 can fully contact with the water inside the water storage tank 205, and at the same time, the wind blown out of the air inlet pipe 102 is gathered through the wind collecting cover 201, and the outer surface of the blowing plate 202 is further blown, thereby driving the rotating shaft 204 to rotate, thereby driving the upper stirring blade 208 and the lower stirring blade 209 to rotate through the rotating shaft 204. The stirring blade 209 rotates, thereby the upper stirring blade 208 and the lower stirring blade 209 rotate, so that the water inside the water tank 205 is stirred more fully, and further rotated by the rotating shaft 204, so that the rotating shaft 204 drives the bevel gear 1 301 and the bevel gear 2 302 to engage with each other, so that the bevel gear 2 302 drives the transmission shaft 303 to rotate, thereby further rotating the rotating disk 305, so that the rotating disk 305 drives the universal shaft interface 1 306, the connecting rod 307, and the universal shaft interface 2 308 to transmit to each other, so that the universal shaft interface 2 308 drives the moving rod 309 to move upward, so that the cleaning plate 310 removes dust on the surface of the filter 311.
[0037] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A HVAC waste heat recovery device, comprising a heating unit, characterized in that The heating unit comprises a wind collecting hood (201), a blowing plate (202), a connecting sleeve (203), a rotating shaft (204), a water storage tank (205), a water inlet pipe (206), a heat collecting plate (207), an upper stirring blade (208), a lower stirring blade (209), and a hot air inlet pipe (210); an air inlet pipe (102) is installed on the back of the device housing (101); the wind collecting hood (201) is installed at the air outlet of the air inlet pipe (102); the water storage tank (205) is installed inside the device housing (101); the rotating shaft (204) is installed inside the water storage tank (205); the connecting sleeve (210) is installed at the bottom of the device housing (101); The air blowing plate (202) is installed on the outer surface of the connecting sleeve (203), the water inlet pipe (206) is installed on the top of the water tank (205), the heat collecting plate (207) is installed on the side of the water tank (205), the upper stirring blade (208) is installed on the outer surface of the rotating shaft (204) located inside the water tank (205), the lower stirring blade (209) is installed on the outer surface of the rotating shaft (204) located inside the water tank (205), and the hot air inlet pipe (210) is installed on the bottom of the air inlet pipe (102).
2. A HVAC waste heat recovery device according to claim 1, characterized in that: There are six groups of blowing plates (202) in total, and they are symmetrical about the center of the connecting sleeve (203).
3. A HVAC waste heat recovery device according to claim 1, characterized in that: There are two upper stirring blades (208) and two lower stirring blades (209), and the upper stirring blades (208) and the lower stirring blades (209) have the same structure but face in opposite directions.
4. A HVAC waste heat recovery device according to claim 1, characterized in that: The heat dissipating side of the heat collecting plate (207) is located outside the device housing (101).
5. The HVAC waste heat recovery device according to claim 1, characterized in that: The cleaning unit comprises a bevel gear 1 (301), a bevel gear 2 (302), a transmission shaft (303), a fixed plate (304), a rotating disc (305), a universal shaft interface 1 (306), a connecting rod (307), a universal shaft interface 2 (308), a moving rod (309), a cleaning plate (310), and a filter (311). The bevel gear 1 (301) is mounted on the outer surface of the rotating shaft (204), the bevel gear 2 (302) is meshed with the outer side of the bevel gear 1 (301), the transmission shaft (303) is mounted inside the bevel gear 2 (302), and the fixed plate (304) is mounted on the air inlet pipe (102). The rotating disc (305) is mounted on the side of the transmission shaft (303) away from the bevel gear 2 (302), the universal shaft interface 1 (306) is mounted on the top of the rotating disc (305), the connecting rod (307) is mounted on the top of the universal shaft interface 1 (306), the universal shaft interface 2 (308) is mounted on the side of the connecting rod (307) away from the universal shaft interface 1 (306), the moving rod (309) is mounted on the bottom of the universal shaft interface 2 (308), the cleaning plate (310) is mounted on the bottom of the moving rod (309), and the filter (311) is mounted inside the air inlet pipe (102).
6. A HVAC waste heat recovery device according to claim 5, characterized in that: A ball bearing is installed inside the fixing plate (304), and the transmission shaft (303) is located in the inner ring of the ball bearing inside the fixing plate (304).
7. A HVAC waste heat recovery device according to claim 5, characterized in that: One side of the moving rod (309) is fixedly connected to the cleaning plate (310), the other side of the moving rod (309) is fixedly connected to the second universal shaft interface (308), and the moving rod (309) is movably connected to the top of the air inlet pipe (102).
8. The HVAC waste heat recovery device according to claim 1, characterized in that: A control panel (103) is installed on the front of the device housing (101), and a clothes hook (104) is installed on the front of the device housing (101) and on the top of the heat collecting plate (207).
