A heating and ventilation waste heat utilization device

By designing a HV waste heat utilization device that includes thermal conductivity components, flow conduits and removable components, the problem of difficult waste heat in the HV system is solved, efficient drying and heating of items is achieved, and energy utilization efficiency is improved and cost savings are saved.

CN222703864UActive Publication Date: 2025-04-01ZHEJIANG RUIBO M&E CONSTR ENG
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Patent Information

Application Number
CN202421306615.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-04-01
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The waste heat generated by the HVAC system during operation is difficult to efficiently utilize, resulting in waste of energy.

Method used

A HVAC waste heat utilization device is designed, including a heating box, a thermal conduction assembly, a flow guide tube and a removable assembly. It increases the heat absorption and heat conduction area through the thermal rod and umbrella block structure, uses a spiral heat exchange tube and an intake tube to transfer heat, and facilitates the removal and replacement of the drain valve through the removable assembly.

Benefits of technology

Efficient drying and heating of items is achieved, reducing heat accumulation, improving energy utilization efficiency, and saving costs through removable components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of HVAC, and particularly relates to a HVAC waste heat utilization device. When in use, an air intake shell is connected to the discharge port of a HVAC system by bolts, and then the waste heat of the HVAC system is introduced into the air intake pipe through the fan in the air intake shell. The air intake pipe transfers the heat to an upper chamber and a lower chamber. In the upper chamber, the heat is transferred to a heat conduction component to achieve heating and drying of items in the upper chamber, and the heat is used to heat water in the lower chamber. The provision of a guide pipe and a drain valve can facilitate the control of the discharge of water in the lower chamber, and the detachable component can facilitate the disassembly and replacement of the drain valve alone, thereby saving costs.
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Description

Technical Field

[0001] The utility model belongs to the technical field of heating and ventilation, and in particular relates to a heating and ventilation waste heat utilization device. Background Art

[0002] With the improvement of environmental awareness and the demand for energy conservation, the utilization of waste heat in HVAC systems has become a hot topic of research. The HVAC system generates a lot of heat during operation, and there is still waste heat after the operation. If this heat is not utilized, it will cause energy waste. Therefore, designing a device that can efficiently utilize the waste heat of the HVAC system is of great significance to improving energy efficiency. Utility Model Content

[0003] The purpose of the utility model is to provide a HVAC waste heat utilization device to achieve the effect of efficient waste heat utilization in view of the above-mentioned technical problems.

[0004] In view of this, the utility model provides a HVAC waste heat utilization device, including a heating box, supporting feet are arranged at the four corners of the bottom of the heating box, an isolation plate is arranged in the heating box to divide the heating box into an upper chamber and a lower chamber, a heat conduction component is arranged in the upper chamber, a guide pipe is arranged at the bottom of the lower chamber, the end of the guide pipe is connected to a drain valve through a detachable component, an air intake shell is arranged on one side of the heating box, a fan is installed in the air intake shell, and the air intake shell and the upper chamber, as well as the air intake shell and the lower chamber are connected through the air intake pipe.

[0005] In the above technical solution, further, the heat-conducting component includes a heat-conducting rod, a plurality of heat-conducting rods are evenly arranged on the isolation plate, a plurality of umbrella-shaped blocks are equidistantly arranged outside the heat-conducting rod, a stud is arranged at the bottom of the heat-conducting rod, and the stud is adapted to the threaded groove opened on the isolation plate.

[0006] In the above technical solution, further, a storage plate is provided in the upper chamber, and the storage plate is located at the upper end of the heat-conducting component, and a plurality of groups of evenly distributed rectangular holes are provided on the storage plate.

[0007] In the above technical solution, further, a spiral heat exchange tube is arranged in the lower chamber, and the spiral heat exchange tube is communicated with the air inlet pipe.

[0008] In the above technical scheme, further, the detachable component includes an annular plate, an annular plate is fixedly connected to the outer circumferential surface of the guide tube, the annular plate is connected to the top of the drain valve, a through hole is opened in the annular plate, a handle is connected through the through hole, a torsion spring is connected to the outer circumferential surface of the handle, a placement cavity is opened on the inner circumferential surface of the through hole, the torsion spring is fixedly connected in the placement cavity, a rectangular groove is opened at the top of the drain valve, a circular cavity is opened at the bottom of the rectangular groove, a T-shaped plate is fixedly connected to the end of the handle, and the T-shaped plate passes through the rectangular groove and is snap-connected in the circular cavity.

[0009] In the above technical solution, further, an opening is provided at the top of the heating box, and a top cover is hingedly connected to the top opening of the heating box via a hinge.

[0010] In the above technical solution, further, the heat conducting rod is made of metal copper.

[0011] In the above technical solution, further, a water inlet pipe is provided at one end of the lower chamber.

[0012] The beneficial effects of the utility model are:

[0013] 1. The heat conduction performance of the heat conducting rod and the umbrella-shaped block structure are used to increase the heat absorption and heat conduction area, thereby achieving the drying and heating of the items. The heat conducting rod absorbs the residual heat and facilitates subsequent discharge, reduces heat accumulation, and makes the drying heat of the items more uniform.

[0014] 2. The end of the guide pipe is connected to a drain valve through a detachable component. The detachable component can facilitate the removal and replacement of the drain valve separately, saving costs.

[0015] 3. A top cover is hingedly connected to the top opening of the heating box. The top cover facilitates placing objects to be dried into the upper chamber so that the residual heat can dry the objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the heat conduction component of the utility model;

[0019] Figure 4 It is a schematic diagram of the detachable component structure of the utility model;

[0020] Figure 5 This utility model Figure 4 A partial enlarged view of the middle A;

[0021] The markings in the figure are: 1-heating box, 2-isolation plate, 3-upper chamber, 4-lower chamber, 5-guide pipe, 6-drain valve, 7-inlet shell, 8-fan, 9-inlet pipe, 10-heat conducting rod, 11-umbrella block, 12-stud, 13-storage plate, 14-rectangular hole, 15-spiral heat exchange tube, 16-annular plate, 17-through hole, 18-handle, 19-torsion spring, 20-placement cavity, 21-rectangular groove, 22-circular cavity, 23-T-plate, 24-top cover, 25-water inlet pipe, 26-support foot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0023] Embodiment 1:

[0024] This embodiment provides a HVAC waste heat utilization device, including:

[0025] A heating box 1, wherein support feet 26 are arranged at the four corners of the bottom of the heating box 1, an isolation plate 2 is arranged inside the heating box 1 to divide the heating box 1 into an upper chamber 3 and a lower chamber 4, a heat conduction component is arranged inside the upper chamber 3, a flow guide pipe 5 is arranged at the bottom of the lower chamber 4, and a drain valve 6 is connected to the end of the flow guide pipe 5 through a detachable component;

[0026] An air inlet shell 7, which is arranged at one side of the heating box 1, and a fan 8 is installed in the air inlet shell 7;

[0027] The air intake pipe 9 connects the air intake shell 7 and the upper chamber 3 , and the air intake shell 7 and the lower chamber 4 .

[0028] It can be seen from the present embodiment that when in use, the air intake shell 7 is connected to the discharge port of the HVAC system by bolts, and then the waste heat of the HVAC system is introduced into the air intake pipe 9 through the fan 8 in the air intake shell 7. The air intake pipe 9 transfers the heat to the upper chamber 3 and the lower chamber 4. The heat is transferred to the heat conduction component in the upper chamber 3 to achieve heating and drying of the items in the upper chamber, and the heat is used to heat the water in the lower chamber 4. The provision of the guide pipe 5 and the drain valve 6 can facilitate the control of the discharge of water in the lower chamber 4. The detachable component can facilitate the disassembly and replacement of the drain valve 6 separately, thereby saving costs.

[0029] Embodiment 2:

[0030] This embodiment provides a HVAC waste heat utilization device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0031] The thermal conductive components include:

[0032] Heat conducting rods 10, a plurality of heat conducting rods 10 are evenly arranged on the isolation plate 2;

[0033] Umbrella-shaped blocks 11, a plurality of umbrella-shaped blocks 11 are equidistantly arranged outside the heat conducting rod 10;

[0034] Stud 12 : A stud 12 is provided at the bottom of the heat conducting rod 10 , and the stud 12 is matched with the thread groove provided on the isolation plate 2 .

[0035] It can be seen from this embodiment that the heat conducting rod 10 is threadedly installed in the threaded groove opened on the isolation plate 2 through the stud 12, and the installation and disassembly are simple. The thermal conductivity of the heat conducting rod 10 and the umbrella-shaped block 11 structure are used to increase the heat absorption and heat conduction area, thereby achieving drying and heating of the objects. After the heat conducting rod 10 absorbs the residual heat, it is convenient for the subsequent discharge, reducing the accumulation of heat, and the drying heat of the objects is more uniform.

[0036] Embodiment 3:

[0037] This embodiment provides a HVAC waste heat utilization device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0038] A storage plate 13 is disposed in the upper chamber 3 and is located at the upper end of the heat conducting component. A plurality of evenly distributed rectangular holes 14 are formed on the storage plate 13 .

[0039] It can be seen from this embodiment that a storage plate 13 is provided on which items can be placed, and heat can be transferred from the rectangular holes 14 through a plurality of groups of evenly distributed rectangular holes 14, thereby achieving a drying and heating effect and realizing the purpose of utilizing the waste heat of HVAC.

[0040] Embodiment 4:

[0041] This embodiment provides a HVAC waste heat utilization device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0042] A spiral heat exchange tube 15 is disposed in the lower chamber 4 , and the spiral heat exchange tube 15 is communicated with the air inlet pipe 9 .

[0043] It can be seen from the present embodiment that a spiral heat exchange tube 15 connected with the air inlet pipe 9 is provided in the lower chamber 3. Heat is transferred from the air inlet pipe 9 to the spiral heat exchange tube 15, so that the water in the lower chamber 3 is heated. Thus, the water in the lower chamber 4 can be heated while the items are being dried, and the waste heat generated by the HVAC is fully utilized. The spiral heat exchange tube can increase the area and enhance the heat transfer effect.

[0044] Embodiment 5:

[0045] This embodiment provides a HVAC waste heat utilization device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0046] Removable components include:

[0047] The annular plate 16 is fixedly connected to the outer circumference of the flow guide pipe 5, and the annular plate 16 is connected to the top of the drain valve 6;

[0048] A through hole 17 is provided in the annular plate 16;

[0049] A handle 18 is connected through the through hole 17;

[0050] A torsion spring 19 is connected to the outer peripheral surface of the handle 18;

[0051] A placement cavity 20 is provided on the inner circumferential surface of the through hole 17, and a torsion spring 19 is fixedly connected in the placement cavity 20;

[0052] A rectangular groove 21 is provided at the top of the drain valve 6;

[0053] A circular cavity 22, which is opened at the bottom of the rectangular groove 21;

[0054] The T-shaped plate 23 is fixedly connected to the end of the handle 18 , and the T-shaped plate 23 passes through the rectangular groove 21 and is snap-connected in the circular cavity 22 .

[0055] It can be seen from the present embodiment that, first, the handle 18 is manually rotated 90°. When the handle 18 rotates in the through hole 17, the torsion spring 19 is twisted and the T-shaped plate 23 is driven to rotate. Then, the drain valve 6 is sleeved on the end of the guide tube 5. When the end of the guide tube 5 is inserted into a part of the inner part of the drain valve 6, the annular plate 16 contacts the end of the drain valve 6. At this time, the T-shaped plate 23 is inserted into the rectangular groove 21 and reaches the circular cavity 22. The handle 18 is released. Under the action of the torsion spring 19, the handle 18 drives the T-shaped plate 23 to rotate and reset in the circular cavity 22, and it cannot withdraw from the rectangular groove 21. Then, the drain valve 6 is installed at the end of the guide tube 5. When the drain valve 6 needs to be removed, the handle 18 can be manually rotated 90° again to remove the drain valve 6, thereby facilitating the installation and removal of the drain valve 6.

[0056] Embodiment 6:

[0057] This embodiment provides a HVAC waste heat utilization device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0058] The heating box 1 is provided with an opening at the top, and a top cover 24 is hingedly connected to the top opening of the heating box 1 via a hinge.

[0059] It can be seen from this embodiment that a top cover 24 is hingedly connected to the top opening of the heating box 1. The top cover 24 is provided to facilitate placing objects to be dried into the upper chamber 3 so that the residual heat can dry the objects.

[0060] Embodiment 7:

[0061] This embodiment provides a HVAC waste heat utilization device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0062] The heat conducting rod 10 is made of copper.

[0063] It can be seen from this embodiment that the heat conducting rod 10 is made of metal copper, which has excellent thermal conductivity.

[0064] Embodiment 8:

[0065] This embodiment provides a HVAC waste heat utilization device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0066] A water inlet pipe 25 is provided at one end of the lower chamber 4 .

[0067] It can be seen from this embodiment that water inlet is facilitated through the water inlet pipe 25 .

[0068] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A HVAC waste heat utilization device, characterized in that: include: A heating box (1), wherein the four corners of the bottom of the heating box (1) are provided with supporting feet (26), an isolation plate (2) is provided inside the heating box (1) to divide the heating box (1) into an upper chamber (3) and a lower chamber (4), a heat conduction component is provided inside the upper chamber (3), a flow guide pipe (5) is provided at the bottom of the lower chamber (4), and a drain valve (6) is connected to the end of the flow guide pipe (5) via a detachable component; An air intake shell (7), the air intake shell (7) being arranged on one side of the heating box (1), and a fan (8) being installed in the air intake shell (7); An air intake pipe (9), wherein the air intake shell (7) and the upper chamber (3), and the air intake shell (7) and the lower chamber (4) are connected via the air intake pipe (9).

2. A HVAC waste heat utilization device according to claim 1, characterized in that: The heat conducting component comprises: Heat-conducting rods (10), a plurality of heat-conducting rods (10) being evenly arranged on the isolation plate (2); Umbrella-shaped blocks (11), a plurality of umbrella-shaped blocks (11) are equidistantly arranged outside the heat conducting rod (10); A stud (12), the bottom of the heat conducting rod (10) is provided with a stud (12), and the stud (12) is matched with a thread groove provided on the isolation plate (2).

3. A HVAC waste heat utilization device according to claim 2, characterized in that: A storage plate (13) is arranged in the upper chamber (3), and the storage plate (13) is located at the upper end of the heat-conducting component. A plurality of groups of evenly distributed rectangular holes (14) are provided on the storage plate (13).

4. A HVAC waste heat utilization device according to claim 3, characterized in that: A spiral heat exchange tube (15) is arranged in the lower chamber (4), and the spiral heat exchange tube (15) is communicated with the air intake pipe (9).

5. A HVAC waste heat utilization device according to claim 4, characterized in that: The detachable components include: An annular plate (16), the annular plate (16) is fixedly connected to the outer peripheral surface of the flow guide tube (5), and the annular plate (16) is connected to the top of the drain valve (6); A through hole (17), wherein the annular plate (16) is provided with a through hole (17); A handle (18), wherein the through hole (17) is connected with the handle (18); A torsion spring (19), wherein the outer peripheral surface of the handle (18) is connected to the torsion spring (19); A placement cavity (20), wherein the placement cavity (20) is formed on the inner circumferential surface of the through hole (17), and the torsion spring (19) is fixedly connected in the placement cavity (20); A rectangular groove (21), wherein the rectangular groove (21) is provided at the top of the drain valve (6); A circular cavity (22), wherein the circular cavity (22) is opened at the bottom of the rectangular groove (21); A T-shaped plate (23) is fixedly connected to the end of the handle (18), and the T-shaped plate (23) passes through the rectangular groove (21) and is snap-connected in the circular cavity (22).

6. A HVAC waste heat utilization device according to claim 5, characterized in that: The heating box (1) is provided with an opening at the top, and a top cover (24) is hingedly connected to the top opening of the heating box (1) via a hinge.

7. A HVAC waste heat utilization device according to claim 6, characterized in that: The heat conducting rod (10) is made of metal copper.

8. The HVAC waste heat utilization device according to claim 7, characterized in that: A water inlet pipe (25) is provided at one end of the lower chamber (4).