Heating ventilation air conditioner waste heat recovery device

Abstract

The utility model discloses a heating ventilation air conditioner waste heat recovery device which comprises a waste heat recovery box, one side of the waste heat recovery box is fixedly connected with an air inlet pipe, the inner top wall of the waste heat recovery box is fixedly connected with a fixing plate, and the lower end face of the fixing plate is fixedly connected with a plurality of evenly-distributed heat absorption rods. A plurality of evenly-distributed heat absorption fins are fixedly connected to the outer wall of the heat absorption rod, a heat conduction rod is fixedly connected into the heat absorption rod, and a water tank is fixedly connected to the upper end face of the waste heat recycling box. Heat is absorbed under the action of the multiple heat absorption fins and the heat absorption rods, the heat is conveyed into the water tank in cooperation with use of the heat conduction rods, a water source in the water tank is heated, heat generated by the air conditioner outdoor unit is efficiently utilized, dust can be prevented from being accumulated on the heat absorption fins, and the heat absorption effect of the heat absorption fins is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of preheating recovery devices, in particular to a HVAC waste heat recovery device. Background Art

[0002] HVAC refers to the system or related equipment responsible for heating, ventilation and air conditioning indoors or in a car. During the operation of HVAC, the air conditioner outdoor unit will generate a large amount of heat. In order to reduce energy loss, the heat generated by the air conditioner outdoor unit is usually recovered so that the dissipated heat can be fully utilized.

[0003] Existing recovery devices are used to recover heat from the outdoor unit of the air conditioner, usually in conjunction with the use of recovery pipes to recover the heat, and through the heat recovery, it is reused. However, in actual use, during the heat recovery process, it is easy for external dust to enter the recovery device, resulting in dust accumulation in the preheat recovery device, affecting the heat recovery effect, resulting in a large amount of heat loss, and it is troublesome to clean the dust. Therefore, a HVAC preheat recovery device is proposed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a waste heat recovery device for heating, ventilation and air conditioning. Through the use of an air intake pipe, the heat generated by the outdoor unit of the air conditioner is transported to the waste heat recovery box. Under the action of the filter, dust is filtered, and the heat is absorbed by a plurality of heat-absorbing fins and a heat-absorbing rod. With the use of a heat-conducting rod, the heat is transported to the water tank, and the water source in the water tank is heated. The heat generated by the outdoor unit of the air conditioner is efficiently utilized, and dust can be prevented from accumulating on the heat-absorbing fins, thereby improving the heat absorption effect of the heat-absorbing fins.

[0005] The heat dissipation device of claim 1, wherein the cooling fan is installed in the cooling air outlet, and the cooling fan is installed in the cooling air outlet, and the cooling fan is installed in the cooling air outlet.

[0006] The beneficial effects of the utility model are as follows: the heat generated by the outdoor unit of the air conditioner can be transported to the waste heat recovery box through the use of the air intake pipe, and the use of the filter can filter dust to prevent dust from accumulating on the heat-absorbing fins and affecting the heat-absorbing effect of the heat-absorbing fins. The use of a plurality of heat-absorbing fins and heat-absorbing rods can quickly recover heat, and the use of the heat-conducting rod can heat the water source in the water tank, thereby achieving full utilization of heat, improving the effect of preheating recovery, and reducing energy consumption.

[0007] In order to fully recover the heat;

[0008] As a further improvement of the above technical solution: a delivery pump is fixedly connected to the upper end surface of the waste heat recovery tank, one end of the delivery pump is fixedly connected to a first delivery pipe, the first delivery pipe is connected to the water tank, and the end of the delivery pump away from the first delivery pipe is fixedly connected to a second delivery pipe.

[0009] The beneficial effect of this improvement is that the water pump can cooperate with the first delivery pipe and the second delivery pipe to deliver the hot water in the water tank, so as to make full use of the hot water.

[0010] In order to realize the delivery of hot water in the water tank;

[0011] As a further improvement of the above technical solution: the upper end surface of the water tank is fixedly connected with a water inlet pipe.

[0012] The beneficial effects of this improvement are: through the use of the water inlet pipe, water can be transported into the water tank to ensure that there is sufficient water in the water tank, which is convenient for use with the heat conducting rod and can effectively utilize the heat;

[0013] In order to realize the water supply in the water tank;

[0014] As a further improvement of the above technical solution: the exhaust pipe is fixedly connected to one end of the waste heat recovery box away from the air intake pipe.

[0015] The beneficial effects of this improvement are: by using the exhaust pipe, the air circulation of the waste heat recovery box can be guaranteed, ensuring the stable transmission of heat;

[0016] In order to achieve the discharge treatment of the recovered waste gas;

[0017] As a further improvement of the above technical solution: the retaining plate and the waste heat recovery box are fixed by two symmetrical fixing bolts.

[0018] The beneficial effects of this improvement are: by using fixing bolts, the retaining plate can be fixed, ensuring the stability between the retaining plate and the waste heat recovery box, preventing the retaining plate from loosening with the plug-in plate, and ensuring sufficient stability of the plug-in plate;

[0019] In order to fix the retention plate;

[0020] As a further improvement of the above technical solution: a slot is provided on the upper end surface of the waste heat recovery box, and the slot is movably connected to the plug board.

[0021] The beneficial effect of this improvement is that the slot can be used to stably connect the plug-in board with the fixed frame, making it easier to install and remove the filter.

[0022] In order to install and fix the plug board;

[0023] As a further improvement of the above technical solution: a control valve is fixedly connected to the water inlet pipe.

[0024] The beneficial effects of this improvement are: by using the control valve, the opening and closing of the water inlet pipe can be controlled, which facilitates the delivery of water to the water tank and prevents the loss of heat in the water tank;

[0025] In order to control the opening and closing of the water inlet pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is an isometric structural diagram provided by the utility model;

[0027] Figure 2 A top view provided for the present utility model;

[0028] Figure 3 The utility model provides Figure 2 A three-dimensional cross-section at AA in the middle;

[0029] Figure 4 The utility model provides Figure 3 Enlarged view of point A in the middle;

[0030] Figure 5 The utility model provides Figure 3 Enlarged view of point B in the middle;

[0031] Figure 6 The utility model provides Figure 3 Enlarged view of point C in the middle.

[0032] In the figure, 1. Waste heat recovery box; 11. Air inlet pipe; 12. Fixing plate; 13. Heat absorbing rod; 14. Heat absorbing fin; 15. Heat conducting rod; 16. Water tank; 17. Fixing frame; 18. Ventilation slot; 19. Card slot; 20. Insert plate; 21. Filter; 22. Retaining plate; 31. Delivery pump; 32. First delivery pipe; 33. Second delivery pipe; 41. Water inlet pipe; 51. Exhaust pipe; 61. Fixing bolt; 71. Slot; 81. Control valve. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the scope of protection of the present invention.

[0034] like Figures 1 to 6As shown, an embodiment of the present invention provides a HVAC waste heat recovery device, including a waste heat recovery box 1, one side of the waste heat recovery box 1 is fixedly connected to an air intake pipe 11, a fixing plate 12 is fixedly connected to the top wall of the waste heat recovery box 1, and a plurality of evenly distributed heat-absorbing rods 13 are fixedly connected to the lower end surface of the fixing plate 12. By using the fixing plate 12, the plurality of heat-absorbing rods 13 can be fixed to ensure that the heat-absorbing rods 13 are sufficiently stable, a plurality of evenly distributed heat-absorbing fins 14 are fixedly connected to the outer wall of the heat-absorbing rod 13, a heat-conducting rod 15 is fixedly connected to the inside of the heat-absorbing rod 13, and a water tank 16 is fixedly connected to the upper end surface of the waste heat recovery box 1, and the heat-conducting rod 15 extends into the water tank 16. In use, heat can be absorbed quickly, and the heat can be heated in the water tank 16 under the action of several heat-conducting rods 15. The heat-conducting rod 15 is sealed and fixedly connected to the water tank 16. A fixed frame 17 is fixedly connected to the inner wall of one side of the waste heat recovery box 1. A ventilation slot 18 and a card slot 19 are respectively provided on the fixed frame 17. A plug-in plate 20 is slidably connected in the card slot 19. A filter screen 21 is fixedly connected to the plug-in plate 20. A retaining plate 22 is fixedly connected to the upper end surface of the plug-in plate 20. The retaining plate 22 is movably connected to the waste heat recovery box 1. By using the filter screen 21 on the plug-in plate 20, external dust can be filtered to prevent dust from entering the waste heat recovery box 1 and to avoid dust accumulation on the heat-absorbing fins 14, which affects the heat. Recycling treatment, the upper end surface of the waste heat recovery tank 1 is fixedly connected to a delivery pump 31, one end of the delivery pump 31 is fixedly connected to a first delivery pipe 32, the first delivery pipe 32 is communicated with the water tank 16, and the end of the delivery pump 31 away from the first delivery pipe 32 is fixedly connected to a second delivery pipe 33. Under the action of the delivery pump 31, the hot water in the water tank 16 is transported through the first delivery pipe 32 and the second delivery pipe 33, so as to make full use of the hot water. The upper end surface of the water tank 16 is fixedly connected to a water inlet pipe 41, and a control valve 81 is fixedly connected to the water inlet pipe 41. The water inlet pipe 41 can transport cold water to the water tank 16 to ensure that the water source in the water tank 16 is sufficient. The use of the control valve 81 can open and close the water inlet pipe 41. Control, the end of the waste heat recovery box 1 away from the air intake pipe 11 is fixedly connected to the exhaust pipe 51. The use of the exhaust pipe 51 can ensure the use of the air intake pipe 11 to ensure the air circulation in the waste heat recovery box 1, so that the heat is transported quickly, and the use of the exhaust pipe 51 is used to discharge the exhaust gas. The fixing plate 22 and the waste heat recovery box 1 are fixed by two symmetrical fixing bolts 61. The use of the two fixing bolts 61 can fix the fixing plate 22 to ensure that the fixing plate 22 and the waste heat recovery box 1 are sufficiently stable. A slot 71 is provided on the upper end surface of the waste heat recovery box 1. The slot 71 is movably connected to the plug-in plate 20. The slot 71 and can provide sufficient space for the plug-in plate 20 to facilitate the docking of the filter screen 21 with the fixing frame 17.

[0035] The working principle and use process of the present invention are as follows: when in use, first, the heat is transported to the waste heat recovery box 1 through the use of the intake pipe 11, and the heat is quickly transported to the waste heat recovery box 1 by coordinating with the use of the exhaust pipe 51. The dust is filtered by the use of the filter 21 to prevent the dust from entering the waste heat recovery box 1 and avoiding docking on the heat-absorbing fins 14. The heat is quickly absorbed by coordinating with the use of several heat-absorbing fins 14 and heat-absorbing rods 13. The heat is transported through the use of several heat-conducting rods 15 to heat the cold water in the water tank 16. Under the action of the delivery pump 31, the hot water in the water tank 16 is transported through the first delivery pipe 32 and the second delivery pipe 33, which is convenient for making full use of the hot water. In conjunction with the use of the control valve 81, the water inlet pipe 41 can be opened to facilitate the delivery of cold water to the water tank 16, ensuring that there is sufficient water in the water tank 16. After a period of use, the two fixing bolts 61 can be twisted to disassemble the retaining plate 22, which makes it convenient to separate the filter screen 21 from the fixing frame 17, facilitate cleaning the filter screen 21, and prevent the filter screen 21 from being blocked, thereby realizing the use process of the entire HVAC preheating recovery device.

[0036] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A HVAC waste heat recovery device, comprising a waste heat recovery box (1), characterized in that: An air inlet pipe (11) is fixedly connected to one side of the waste heat recovery box (1), a fixed plate (12) is fixedly connected to the inner top wall of the waste heat recovery box (1), a plurality of evenly distributed heat-absorbing rods (13) are fixedly connected to the lower end surface of the fixed plate (12), and a plurality of evenly distributed heat-absorbing fins (14) are fixedly connected to the outer wall of the heat-absorbing rod (13); A heat-conducting rod (15) is fixedly connected inside the heat-absorbing rod (13); a water tank (16) is fixedly connected to the upper end surface of the waste heat recovery box (1); the heat-conducting rod (15) extends into the water tank (16); the heat-conducting rod (15) and the water tank (16) are sealed and fixedly connected; a fixing frame (17) is fixedly connected to the inner wall of one side of the waste heat recovery box (1); a ventilation slot (18) and a card slot (19) are respectively provided on the fixing frame (17); a plug-in plate (20) is slidably connected in the card slot (19); a filter screen (21) is fixedly connected to the plug-in plate (20); a fixing plate (22) is fixedly connected to the upper end surface of the plug-in plate (20); and the fixing plate (22) is movably connected to the waste heat recovery box (1).

2. The HVAC waste heat recovery device according to claim 1, characterized in that: The upper end surface of the waste heat recovery tank (1) is fixedly connected to a delivery pump (31), one end of the delivery pump (31) is fixedly connected to a first delivery pipe (32), the first delivery pipe (32) is communicated with the water tank (16), and one end of the delivery pump (31) away from the first delivery pipe (32) is fixedly connected to a second delivery pipe (33).

3. The HVAC waste heat recovery device according to claim 1, characterized in that: The upper end surface of the water tank (16) is fixedly connected with a water inlet pipe (41).

4. The HVAC waste heat recovery device according to claim 1, characterized in that: An exhaust pipe (51) is fixedly connected to one end of the waste heat recovery box (1) away from the air inlet pipe (11).

5. The HVAC waste heat recovery device according to claim 1, characterized in that: The retaining plate (22) and the waste heat recovery box (1) are fixed via two symmetrical fixing bolts (61).

6. The HVAC waste heat recovery device according to claim 1, characterized in that: The upper end surface of the waste heat recovery box (1) is provided with a slot (71), and the slot (71) is movably connected to the plug board (20).

7. The HVAC waste heat recovery device according to claim 3, characterized in that: A control valve (81) is fixedly connected to the water inlet pipe (41).

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