Waste heat recovery device of heating ventilation air conditioner

Abstract

The invention provides a waste heat recovery device of a heating ventilation air conditioner, and belongs to the technical field of waste heat recovery of the heating ventilation air conditioner, the device comprises an air inlet mechanism, an adjusting mechanism, a flow dividing mechanism, a water tank mechanism and a controller, and a single flow dividing pipe, an adjusting assembly, a flow dividing channel and a heating cavity form a warm air channel. Some warm air passages can be closed by closing the electromagnetic valve I, so that the heating efficiency of water in the heating chamber is ensured, the device can still output hot water under the condition that the recovered warm air volume is relatively low, the utilization efficiency of heat energy can be effectively improved, and the condition that the warm air volume is difficult to distribute uniformly possibly exists under the condition that the warm air volume is relatively low. The temperature of the water in the heating cavities of the corresponding warm air channels is uneven, the water in the adjacent heating cavities circularly flows by opening the second electromagnetic valves and starting the pump machines, and therefore the water temperature in the heating cavities can be adjusted, and hot water can be conveniently taken and used.

Description

Technical Field

[0001] The present invention relates to the technical field of waste heat recovery for heating, ventilation and air conditioning, and in particular to a waste heat recovery device for heating, ventilation and air conditioning. Background Art

[0002] HVAC is an air conditioner that provides heating, ventilation, and air conditioning. Some areas use HVAC for heating, but due to its large size, it generates a significant amount of waste heat when not in use. This waste heat is a waste of resources if not recycled. Therefore, waste heat recovery and reuse devices are needed to recycle this waste heat.

[0003] The existing Chinese patent with authorization announcement number CN117906268B discloses a waste heat recovery device for HVAC, including two water tanks and a support frame installed on the surface of the water tank and a recovery box installed on the surface of the support frame, so that the warm air after the waste heat of the HVAC can be controlled, and the air volume of the warm air flowing into the water tank can be controlled, so that the air volume of the warm air can be released according to the water temperature inside the water tank, thereby avoiding the inability to regulate the temperature according to the water temperature inside the water tank, affecting the working efficiency after the waste heat is recovered, affecting the effect of its utilization, greatly improving the performance of the waste heat treatment device, greatly improving the scope of use of the waste heat after recovery, making the device as a whole controllable, expanding the practicality of the device, and being able to be controlled according to the ambient temperature state, and being able to display its control data for easy observation by users.

[0004] The disadvantage of the above-mentioned existing technical solution is that: although the volume of warm air can be released according to the water temperature inside the water tank, there is no refined diversion device for the warm air volume, resulting in low efficiency in utilizing the warm air thermal energy. Summary of the Invention

[0005] In order to solve the above problems, the present invention provides a waste heat recovery device for HVAC to solve the above problems existing in the prior art.

[0006] The present invention provides a waste heat recovery device for heating, ventilation and air conditioning, comprising:

[0007] The air inlet mechanism includes an air inlet pipe and a plurality of diverter pipes. The air inlet pipe is connected to the plurality of diverter pipes at the same time. A solenoid valve 1 is provided at the connection between the diverter pipe and the air inlet pipe.

[0008] The adjustment mechanism is arranged below the air inlet mechanism. The adjustment mechanism includes a plurality of adjustment components arranged in a one-to-one correspondence with the diversion pipes. The adjustment component includes a mounting frame. A rotating shaft is rotatably connected in the mounting frame. An adjustment plate is fixedly connected to the rotating shaft. A motor for driving the rotating shaft is provided on the mounting frame of one of the adjustment components. A transmission component 2 is provided between the adjustment component provided with the motor and the adjacent adjustment component. A transmission component 1 is provided between the remaining adjacent adjustment components.

[0009] A diversion mechanism is provided below the regulating mechanism and includes a panel, wherein a plurality of diversion channels are provided in the panel, and the diversion channels are provided in a one-to-one correspondence with the regulating components;

[0010] The water tank mechanism includes a water tank body, and a plurality of partition mechanisms are arranged in the water tank body. The plurality of partition mechanisms divide the interior of the water tank body into areas corresponding to the diversion channels one by one.

[0011] As a further solution of the present invention: the mounting frame is a square frame, and two bearings are embedded through the mounting frame. The two bearings are symmetrically arranged on the mounting frame, the outer ring of the bearing is fixedly connected to the mounting frame, and the rotating shaft is sleeved and fixedly connected to the inner ring of the bearing.

[0012] As a further solution of the present invention: the motor is fixedly connected to the mounting frame, a driving shaft is provided on the driving end of the motor, and the driving shaft is coaxially fixedly connected to the rotating shaft.

[0013] As a further solution of the present invention: transmission component 1 and transmission component 2 have the same structure, and both transmission component 1 and transmission component 2 include a transmission shaft, a transmission wheel, a driving shaft, a driving wheel and a transmission belt. The transmission wheel is coaxially fixedly connected to the transmission shaft, the driving wheel is coaxially fixedly connected to the driving shaft, and the transmission belt is sleeved between the transmission wheel and the driving wheel.

[0014] As a further solution of the present invention: the lower part of the enclosure is fixedly connected to the support frame, and the support frame is evenly distributed and fixedly connected to the support rod. The support rod is fixedly connected with a diverter plate, which divides the internal space of the enclosure into several diversion channels.

[0015] As a further solution of the present invention: a water trough is opened in the water tank main body, and several groups of limit slots are symmetrically arranged and opened on the side walls of the water trough. The partition mechanism includes a partition body, and limit strips are fixedly connected on both sides of the partition body. The limit strips are clamped in the limit slots. The partition mechanism divides the space in the water trough into heating chambers corresponding to several diversion channels one by one.

[0016] As a further solution of the present invention: two exchange tubes are provided through the partition body, and both exchange tubes are provided with a second solenoid valve and a pump.

[0017] As a further solution of the present invention: an air inlet is provided on the air inlet pipe, and warm air enters the device through the air inlet. A flow detector is fixedly connected to the inner wall of the diversion pipe, and a temperature detector is provided in each heating chamber.

[0018] As a further solution of the present invention: a controller is fixedly connected to the outer wall of the air inlet pipe, and the flow detector, temperature detector, solenoid valve 1, solenoid valve 2 and pump are all electrically connected to the controller.

[0019] Beneficial effects of the present invention:

[0020] 1. The air inlet pipe of the present invention is connected to a plurality of diverter pipes. The diverter pipes, regulating components, diverter channels, and heating chambers correspond one to one, so that a single diverter pipe, regulating component, diverter channel, and heating chamber form a warm air passage. When the warm air volume is insufficient, some warm air passages can be closed by closing the solenoid valve to ensure the heating efficiency of the water in the heating chamber. When the recovered warm air volume is low, the device can still output hot water, which can effectively improve the utilization efficiency of thermal energy.

[0021] 2. Two exchange tubes are provided through the bulkhead body of the present invention. Both exchange tubes are provided with a second solenoid valve and a pump. When the warm air volume is low, the warm air volume may be difficult to distribute evenly, resulting in uneven water temperature in the corresponding warm air passage heating chamber. By opening the second solenoid valve and starting the pump to circulate water in adjacent heating chambers, the water temperature in the heating chamber can be adjusted, making it easier to use hot water.

[0022] 3. In the present invention, the flow detector, temperature detector, solenoid valve 1, solenoid valve 2 and pump are all electrically connected to the controller. The flow detector can monitor the air volume in the diversion pipe in real time. When the air volume in the diversion pipe is low, the controller can close several warm air passages away from the air inlet, while keeping several warm air passages close to the air inlet open, thereby realizing automatic opening and closing adjustment of the warm air passages. The temperature detector can also monitor the water temperature in the heating chamber in real time, realize automatic adjustment of the water temperature in adjacent heating chambers, and improve the degree of automation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the three-dimensional structure of a waste heat recovery device for heating, ventilation and air conditioning provided by the present invention;

[0024] Figure 2 A schematic diagram of the three-dimensional structure of a regulating mechanism of a waste heat recovery device for a heating, ventilation and air conditioning system according to the present invention;

[0025] Figure 3A schematic top view of the structure of an adjustment mechanism of a waste heat recovery device for a heating, ventilation and air conditioning system according to the present invention;

[0026] Figure 4 A schematic diagram of the three-dimensional structure of a regulating assembly of a waste heat recovery device for a heating, ventilation and air conditioning system according to the present invention;

[0027] Figure 5 A schematic diagram of the three-dimensional structure of an air inlet mechanism of a waste heat recovery device for a heating, ventilation and air conditioning system according to the present invention;

[0028] Figure 6 A schematic diagram of the three-dimensional structure of a diversion mechanism of a waste heat recovery device for a heating, ventilation and air conditioning system according to the present invention;

[0029] Figure 7 A schematic diagram of the three-dimensional structure of the connection relationship between a water tank mechanism and a partition mechanism of a waste heat recovery device for a heating, ventilation and air conditioning system according to the present invention;

[0030] Figure 8 A schematic diagram of the three-dimensional structure of a partition mechanism of a waste heat recovery device for a heating, ventilation and air conditioning system according to the present invention;

[0031] Figure 9 The present invention provides a schematic diagram of the three-dimensional structure of a water tank mechanism of a waste heat recovery device for heating, ventilation and air conditioning.

[0032] List of reference numerals:

[0033] 1. Air inlet mechanism; 11. Air inlet pipe; 12. Air inlet; 13. Diverter pipe; 14. Flow detector; 15. Solenoid valve 1; 2. Adjustment mechanism; 21. Adjustment component; 22. Transmission component 1; 23. Transmission component 2; 24. Motor; 25. Transmission shaft; 26. Transmission wheel; 27. Driving shaft; 28. Driving wheel; 29. ​​Transmission belt; 210. Mounting frame; 211. Rotating shaft; 212. Bearing; 213. Adjustment plate; 3. Diverter mechanism; 31. Support frame; 32. Enclosure; 33. Support rod; 34. Diverter plate; 35. Diverter channel; 4. Water tank mechanism; 41. Water tank body; 42. Water tank; 43. Limiting card slot; 44. Temperature detector; 5. Partition mechanism; 51. Partition body; 52. Limiting card strip; 53. Exchange pipe; 54. Solenoid valve 2; 55. Pump; 6. Controller. DETAILED DESCRIPTION

[0034] To make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0035] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0036] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0037] Reference Figures 1 to 9 The present invention provides a waste heat recovery device for heating, ventilation and air conditioning, including an air intake mechanism 1, an adjustment mechanism 2, a diversion mechanism 3 and a water tank mechanism 4. The air intake mechanism 1 includes an air intake pipe 11 and a plurality of diversion pipes 13. The air intake pipe 11 is connected to the plurality of diversion pipes 13 at the same time. A solenoid valve 15 is provided at the connection between the diversion pipe 13 and the air intake pipe 11. The adjustment mechanism 2 is provided below the air intake mechanism 1. The adjustment mechanism 2 includes a plurality of adjustment components 21 corresponding to the diversion pipes 13. The adjustment component 21 includes a mounting frame 210. A rotating shaft 211 is rotatably connected in the mounting frame 210. An adjustment plate 213 is fixedly connected to the rotating shaft 211. One of the adjustment plates 213 is fixed to the rotating shaft 211. A motor 24 for driving the rotating shaft 211 to rotate is provided on the mounting frame 210 of the component 21, a transmission component 23 is provided between the adjustment component 21 provided with the motor 24 and the adjacent adjustment component 21, and a transmission component 1 22 is provided between the remaining adjacent adjustment components 21, and the diversion mechanism 3 is provided below the adjustment mechanism 2, and the diversion mechanism 3 includes a panel 32, and a plurality of diversion channels 35 are provided in the panel 32, and the diversion channels 35 are provided in a one-to-one correspondence with the adjustment components 21, and the water tank mechanism 4 includes a water tank body 41, and a plurality of partition mechanisms 5 are provided in the water tank body 41, and the plurality of partition mechanisms 5 divide the interior of the water tank body 41 into areas corresponding to the diversion channels 35.

[0038] The mounting frame 210 is a square frame, and two bearings 212 are embedded through the mounting frame 210. The two bearings 212 are symmetrically arranged on the mounting frame 210. The outer ring of the bearing 212 is fixedly connected to the mounting frame 210. The rotating shaft 211 is sleeved and fixedly connected to the inner ring of the bearing 212. The motor 24 is fixedly connected to the mounting frame 210. A driving shaft is provided on the driving end of the motor 24, and the driving shaft is coaxially fixedly connected to the rotating shaft 211.

[0039] The transmission component 1 22 and the transmission component 2 23 have the same structure. The transmission component 1 22 and the transmission component 2 23 both include a transmission shaft 25, a transmission wheel 26, a driving shaft 27, a driving wheel 28 and a transmission belt 29. The transmission wheel 26 is coaxially fixedly connected to the transmission shaft 25, the driving wheel 28 is coaxially fixedly connected to the driving shaft 27, and the transmission belt 29 is sleeved between the transmission wheel 26 and the driving wheel 28. The transmission shaft 25 and the driving shaft 27 are respectively coaxially fixedly connected to the rotating shaft 211 of the adjacent adjusting component 21. The motor 24 drives the rotating shaft 211 to rotate, and the rotation of the rotating shaft 211 drives the adjusting plate 213 to flip. The transmission component 1 22 and the transmission component 2 23 can drive the adjusting plates 213 of several adjusting components 21 to flip at the same time, so that the opening and closing degree of the adjusting plates 213 can be adjusted, so that the amount of warm air can be released according to the water temperature inside the water tank mechanism 4, which is convenient for adjusting the water temperature.

[0040] The lower part of the enclosure 32 is fixedly connected to the support frame 31 , and the support frame 31 is evenly distributed and fixedly connected to the support rod 33 . The support rod 33 is fixedly connected with a diverter plate 34 , which divides the internal space of the enclosure 32 into several diversion channels 35 .

[0041] A water trough 42 is provided in the water tank body 41, and several groups of limit slots 43 are symmetrically arranged and provided on the side walls of the water trough 42. The partition mechanism 5 includes a partition body 51, and both sides of the partition body 51 are fixedly connected to limit strips 52, and the limit strips 52 are clamped in the limit slots 43. The partition mechanism 5 divides the space in the water trough 42 into heating chambers corresponding to several diversion channels 35 one by one. When in use, several diversion pipes 13 are connected to the air inlet pipe 11, and the diversion pipes 13, the regulating components 21, the diversion channels 35 and the heating chambers correspond one to one, so that a single diversion pipe 13, the regulating components 21, the diversion channels 35 and the heating chamber constitute a warm air passage. When the warm air volume is insufficient, some warm air passages can be closed by closing the solenoid valve 15 to ensure the heating efficiency of the water in the heating chamber, so that when the recovered warm air volume is low, the device can still output hot water, which can effectively improve the utilization efficiency of thermal energy.

[0042] Two exchange tubes 53 are provided through the partition body 51, and both exchange tubes 53 are provided with a second solenoid valve 54 and a pump 55. When the warm air volume is low, it may be difficult to distribute the warm air volume evenly, causing the temperature of the water in the heating chamber of the corresponding warm air passage to be uneven. By opening the second solenoid valve 54 and starting the pump 55 to circulate the water in the adjacent heating chambers, the water temperature in the heating chamber can be adjusted, making it easier to take hot water.

[0043] An air inlet 12 is provided on the air inlet pipe 11, and warm air enters the device through the air inlet 12. A flow detector 14 is fixedly connected to the inner wall of the diversion pipe 13, and a temperature detector 44 is provided in the heating chamber. A controller 6 is fixedly connected to the outer wall of the air inlet pipe 11. The flow detector 14, the temperature detector 44, the solenoid valve 15, the solenoid valve 2 54 and the pump 55 are all electrically connected to the controller 6. The flow detector 14 can monitor the air volume in the diversion pipe 13 in real time. When the air volume in the diversion pipe 13 is low, the controller 6 can close several warm air passages away from the air inlet 12, while keeping several warm air passages close to the air inlet 12 open, thereby realizing automatic opening and closing adjustment of the warm air passages. The water temperature in the heating chamber can also be monitored in real time by the temperature detector 44, so as to realize automatic adjustment of the water temperature in the adjacent heating chamber, thereby improving the degree of automation of the device. In addition, the motor 24 is electrically connected to the controller 6, which can realize automatic adjustment of the opening and closing degree of the adjustment plate 213, thereby facilitating automatic adjustment of the warm air volume.

[0044] Workflow:

[0045] The air inlet pipe 11 is connected to a plurality of shunt pipes 13, and the shunt pipes 13, the regulating components 21, the shunt channels 35 and the heating chambers correspond one to one, so that a single shunt pipe 13, the regulating components 21, the shunt channels 35 and the heating chamber constitute a warm air passage. When the warm air volume is insufficient, some warm air passages can be closed by closing the solenoid valve 15 to ensure the heating efficiency of the water in the heating chamber. When the recovered warm air volume is low, the device can still output hot water, which can effectively improve the utilization efficiency of thermal energy. Two exchange pipes 53 are provided through the partition body 51, and the two exchange pipes 53 are both provided with a solenoid valve 2 54 and a pump 55. When the warm air volume is low, it may be difficult to distribute the warm air volume evenly, so that the corresponding warm air passage can heat the water in the chamber. The temperature is uneven. By opening the solenoid valve 2 54 and starting the pump 55 to circulate the water in the adjacent heating chambers, the water temperature in the heating chamber can be adjusted to facilitate the use of hot water. The flow detector 14, the temperature detector 44, the solenoid valve 15, the solenoid valve 2 54 and the pump 55 are all electrically connected to the controller 6. The flow detector 14 can monitor the air volume in the diverter pipe 13 in real time. When the air volume in the diverter pipe 13 is low, the controller 6 can close several warm air passages away from the air inlet 12, while keeping several warm air passages close to the air inlet 12 open, thereby realizing automatic opening and closing adjustment of the warm air passages. The temperature detector 44 can also monitor the water temperature in the heating chamber in real time, realize automatic adjustment of the water temperature in adjacent heating chambers, and improve the degree of automation of the device.

[0046] It should be noted that not all steps and modules in the above processes and system structure diagrams are required, and certain steps or modules can be omitted according to actual needs. The execution order of each step is not fixed and can be adjusted as needed. The system structure described in the above embodiments can be a physical structure or a logical structure, that is, some modules may be implemented by the same physical entity, or some modules may be implemented by multiple physical entities, or may be implemented by certain components in multiple independent devices.

[0047] In each of the above embodiments, the hardware module can be implemented mechanically or electrically. The present invention is shown and described in detail above through the accompanying drawings and preferred embodiments. However, the present invention is not limited to these disclosed embodiments. Based on the above multiple embodiments, those skilled in the art will know that the code review methods in the above different embodiments can be combined to obtain more embodiments of the present invention, and these embodiments are also within the scope of protection of the present invention.

Claims

1. A waste heat recovery device for heating, ventilation and air conditioning, characterized in that: include: An air inlet mechanism (1), the air inlet mechanism (1) comprises an air inlet pipe (11) and a plurality of diverter pipes (13), the air inlet pipe (11) is connected to the plurality of diverter pipes (13), and a solenoid valve (15) is provided at the connection between the diverter pipe (13) and the air inlet pipe (11); An adjusting mechanism (2) is provided below the air inlet mechanism (1). The adjusting mechanism (2) includes a plurality of adjusting components (21) provided in one-to-one correspondence with the shunt pipes (13). The adjusting components (21) include a mounting frame (210). A rotating shaft (211) is rotatably connected to the mounting frame (210). An adjusting plate (213) is fixedly connected to the rotating shaft (211). A motor (24) for driving the rotating shaft (211) to rotate is provided on the mounting frame (210) of one adjusting component (21). A second transmission component (23) is provided between the adjusting component (21) provided with the motor (24) and an adjacent adjusting component (21). A first transmission component (22) is provided between the remaining adjacent adjusting components (21). A diversion mechanism (3) is provided below the regulating mechanism (2). The diversion mechanism (3) includes a panel (32). A plurality of diversion channels (35) are provided in the panel (32). The diversion channels (35) are provided in a one-to-one correspondence with the regulating components (21). The water tank mechanism (4) includes a water tank body (41), and a plurality of partition mechanisms (5) are provided in the water tank body (41). The plurality of partition mechanisms (5) divide the interior of the water tank body (41) into areas corresponding to the diversion channels (35) one by one.

2. The waste heat recovery device for HVAC according to claim 1, characterized in that: The mounting frame (210) is a square frame. Two bearings (212) are embedded through the mounting frame (210). The two bearings (212) are symmetrically arranged on the mounting frame (210). The outer rings of the bearings (212) are fixedly connected to the mounting frame (210). The rotating shaft (211) is sleeved and fixedly connected to the inner rings of the bearings (212).

3. The waste heat recovery device for HVAC according to claim 2, characterized in that: The motor (24) is fixedly connected to the mounting frame (210), and a driving shaft is provided on the driving end of the motor (24), and the driving shaft is coaxially fixedly connected to the rotating shaft (211).

4. The waste heat recovery device for HVAC according to claim 1, characterized in that: The transmission assembly 1 (22) and the transmission assembly 2 (23) have the same structure. The transmission assembly 1 (22) and the transmission assembly 2 (23) both include a transmission shaft (25), a transmission wheel (26), a driving shaft (27), a driving wheel (28) and a transmission belt (29). The transmission wheel (26) is coaxially fixedly connected to the transmission shaft (25), the driving wheel (28) is coaxially fixedly connected to the driving shaft (27), and the transmission belt (29) is sleeved between the transmission wheel (26) and the driving wheel (28).

5. The waste heat recovery device for HVAC according to claim 1, characterized in that: The lower part of the enclosure (32) is fixedly connected to the support frame (31), and the support frame (31) is evenly distributed and fixedly connected to the support rod (33). The support rod (33) is fixedly connected with a diverter plate (34), and the diverter plate (34) divides the internal space of the enclosure (32) into a plurality of diverter channels (35).

6. The waste heat recovery device for HVAC according to claim 5, characterized in that: A water tank body (41) is provided with a water tank (42), and a plurality of groups of limit slots (43) are symmetrically arranged on the side walls of the water tank (42). The partition mechanism (5) includes a partition body (51), and both sides of the partition body (51) are fixedly connected with limit clips (52). The limit clips (52) are clipped into the limit slots (43). The partition mechanism (5) divides the space in the water tank (42) into heating chambers corresponding to the plurality of diversion channels (35).

7. The waste heat recovery device for HVAC according to claim 1, characterized in that: Two exchange tubes (53) are provided through the partition body (51), and both exchange tubes (53) are provided with a second electromagnetic valve (54) and a pump (55).

8. The waste heat recovery device for HVAC according to claim 1, characterized in that: An air inlet (12) is provided on the air inlet pipe (11), and warm air enters the device through the air inlet (12). A flow detector (14) is fixedly connected to the inner wall of the diversion pipe (13), and a temperature detector (44) is provided in each heating chamber.

9. The waste heat recovery device for HVAC according to claim 8, characterized in that: A controller (6) is fixedly connected to the outer wall of the air inlet pipe (11), and a flow detector (14), a temperature detector (44), a solenoid valve 1 (15), a solenoid valve 2 (54) and a pump (55) are all electrically connected to the controller (6).

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