CN221744204U - A HVAC waste heat recovery device - Google Patents

Abstract

The utility model relates to the technical field of waste heat recovery, and discloses heating ventilation air conditioner waste heat recovery equipment which comprises a machine case, wherein a plurality of groups of partition boards are arranged in the machine case, a refrigerating chamber is arranged on the front surface of the machine case, a heat dissipation chamber is arranged on the back surface of the machine case, a gas exchange chamber is arranged between the refrigerating chamber and the heat dissipation chamber, a compression chamber is arranged at the top of the machine case, a heat recovery chamber is arranged on one side of the heat dissipation chamber, an evaporation pipe is fixedly connected in the refrigerating chamber, a condensation pipe is fixedly connected in the heat dissipation chamber, and a plurality of groups of heat conducting fins which are distributed at equal intervals are fixedly connected on the condensation pipe.

Description

A HVAC waste heat recovery device

Technical Field

The utility model relates to the technical field related to waste heat recovery, in particular to a HVAC waste heat recovery device.

Background Art

HVAC is an air conditioner with heating, ventilation and air conditioning functions. Since the main functions of HVAC include heating, ventilation and air conditioning, the comprehensive abbreviation of these three functions is HVAC. The HVAC system can bring people a comfortable living environment and make people live in a pleasant environment. During the use of the HVAC system, a heat source pump unit is required to heat the water.

A lot of waste heat is generated during the use of HVAC. The existing methods directly discharge the waste heat, which easily causes waste of resources. In this regard, a waste heat recovery device for HVAC equipment is designed.

Utility Model Content

The purpose of the utility model is to provide a HVAC waste heat recovery device to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions:

A waste heat recovery device for a heating, ventilation and air conditioning system comprises a chassis, wherein a plurality of partitions are arranged in the chassis, a refrigeration chamber is arranged at the front of the chassis, a heat dissipation chamber is arranged at the back of the chassis, a ventilation chamber is arranged between the refrigeration chamber and the heat dissipation chamber, a compression chamber is arranged at the top of the chassis, a heat recovery chamber is arranged at one side of the heat dissipation chamber, an evaporation tube is fixedly connected in the refrigeration chamber, a condensation tube is fixedly connected in the heat dissipation chamber, a plurality of groups of heat-conducting fins distributed equidistantly are fixedly connected to the condensation tube, a capillary tube is fixedly connected in the compression chamber, the capillary tube is connected to the liquid outlet end of the condensation tube and the gas outlet end of the evaporation tube, a compressor is fixedly connected in the compression chamber, the compressor is connected to the liquid inlet end of the condensation tube and the gas inlet end of the evaporation tube, a blast assembly is arranged in the ventilation chamber, a heat-conducting tube is installed in the heat recovery chamber, one end of the heat-conducting tube is connected to one end of a connecting tube, and the other end of the connecting tube is communicated with the heat dissipation chamber, a liquid pump is fixedly connected to the bottom of the heat recovery chamber, one end of the connecting tube is connected to the liquid pump, and the other end of the connecting tube is communicated with the heat dissipation chamber, and heat-conducting oil is injected into the heat dissipation chamber.

As a further solution of the utility model: a water inlet is arranged on the top of the heat recovery chamber, a protective cover is threadedly connected to the water inlet, a pressure relief valve is fixedly connected to the protective cover, and a water outlet is arranged on the bottom of the heat recovery chamber, a control valve is fixedly connected to the water outlet.

As a further solution of the utility model: a heating wire is fixedly connected in the refrigeration chamber, and a drainage outlet is arranged at the bottom of the refrigeration chamber.

As a further solution of the utility model: an air outlet is arranged on the front side of the chassis, and a guide hinge is connected inside the air outlet.

As a further solution of the utility model: a temperature controller is installed in the heat dissipation chamber.

As a further solution of the utility model: the blower assembly includes a mounting frame fixedly connected to the partition, the mounting frame is fixedly connected to a motor, the output shaft of the motor is fixedly connected to a fan blade, air inlets are arranged on both sides of the ventilation chamber, a sliding mounting frame is slidably connected to the air inlet, and a filter is installed in the sliding mounting frame.

Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention recovers the heat dissipated by the HVAC during operation through the heat transfer oil, and heats the drinking water through the heat transfer oil, thereby realizing the recovery and utilization of the waste heat of the HVAC, improving the energy utilization rate of the present invention, and improving the practicability of the equipment.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of a HVAC waste heat recovery device in the utility model.

FIG. 2 is an elevation view of a HVAC waste heat recovery device in the present invention.

FIG3 is a cross-sectional view of a HVAC waste heat recovery device in the present invention.

FIG4 is a schematic diagram of the structure of a refrigeration chamber in a HVAC waste heat recovery device in the utility model.

FIG5 is a schematic structural diagram of a heat dissipation chamber in a HVAC waste heat recovery device in the utility model.

FIG6 is a cross-sectional view of a HVAC waste heat recovery device in the present invention.

FIG. 7 is a schematic structural diagram of a heat recovery chamber in a HVAC waste heat recovery device in the utility model.

In the figure: 1-chassis, 2-support legs, 3-compression chamber, 4-refrigeration chamber, 5-ventilation chamber, 6-partition, 7-heat dissipation chamber, 8-heat recovery chamber, 9-air outlet, 10-guide hinge, 11-evaporation tube, 12-mounting frame, 13-motor, 14-fan blades, 15-air inlet, 16-sliding mounting frame, 17-filter, 18-heating wire, 19-condensing tube, 20-heat conducting fins, 21-heat conducting tube, 22-liquid pump, 23-liquid conducting tube, 24-connecting tube, 25-water outlet, 26-control valve, 27-drain outlet, 28-capillary tube, 29-compressor, 30-water injection port, 31-protective cover, 32-pressure relief valve, 33-temperature controller.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Referring to FIGS. 1 to 7, in an embodiment of the utility model, a HVAC waste heat recovery device includes a chassis 1, a plurality of baffles 6 are arranged in the chassis 1, a refrigeration chamber 4 is arranged on the front of the chassis 1, a heat dissipation chamber 7 is arranged on the back of the chassis 1, a ventilation chamber 5 is arranged between the refrigeration chamber 4 and the heat dissipation chamber 7, a compression chamber 3 is arranged on the top of the chassis 1, a heat recovery chamber 8 is arranged on one side of the heat dissipation chamber 7, an evaporation tube 11 is fixedly connected in the refrigeration chamber 4, a condensation tube 19 is fixedly connected in the heat dissipation chamber 7, a plurality of groups of equidistantly distributed heat conducting fins 20 are fixedly connected to the condensation tube 19, a capillary tube 28 is fixedly connected in the compression chamber 3, and the capillary tube 28 is connected to the condensation chamber 7. The liquid outlet end of the tube 19 and the gas outlet end of the evaporation tube 11 are connected, a compressor 29 is fixedly connected in the compression chamber 3, and the compressor 29 is connected to the liquid inlet end of the condensation tube 19 and the gas inlet end of the evaporation tube 11. A blast assembly is arranged in the ventilation chamber, a heat conduction pipe 21 is installed in the heat recovery chamber 8, one end of the heat conduction pipe 21 is connected to one end of a connecting pipe 24, and the other end of the connecting pipe 24 is connected to the heat dissipation chamber 7, a liquid pump 22 is fixedly connected to the bottom of the heat recovery chamber 8, one end of a liquid conduction pipe 23 is connected to the liquid pump 22, and the other end of the liquid conduction pipe 23 is connected to the heat dissipation chamber 7, and heat conduction oil is injected into the heat dissipation chamber 7. The utility model firstly Refrigerant is injected into the tube 11 and the condenser tube 19. Then, when the equipment is working, the gas refrigerant in the evaporator tube 11 is compressed by the compressor 29, so that the room temperature gas refrigerant is compressed into high temperature liquid refrigerant, and the high temperature liquid refrigerant is injected into the condenser tube 19. At this time, the heat in the high temperature liquid refrigerant is transferred to the heat transfer oil in the heat dissipation chamber 7 along the condenser tube 19 and the heat transfer fins 20. Then, the room temperature liquid refrigerant after the heat is dissipated is injected into the capillary tube 28. When the high pressure liquid refrigerant in the capillary tube 28 is injected into the evaporator tube 11, the high pressure liquid refrigerant has a large pressure drop, so that it evaporates quickly. At this time, the high pressure liquid refrigerant evaporates into low temperature refrigerant gas, and enters The heat in the gas in the refrigeration box is absorbed by the low-temperature refrigerant gas, thereby achieving rapid cooling of the gas in the cold air box. Then, in summer, the cold air in the cold air box is blown into the room through the blowing assembly, thereby achieving cooling. As the heat transfer oil in the heat dissipation chamber 7 absorbs heat, the temperature of the heat transfer oil gradually increases. Then, the high-temperature heat transfer oil is pumped into the heat transfer pipe 21 along the liquid guide pipe 23 through the liquid pump 22. At this time, the heat of the heat transfer oil is conducted to the drinking water in the heat recovery chamber 8 through the heat guide pipe 21, thereby heating the drinking water. Then, the heat transfer oil flows back to the heat dissipation chamber 7 along the liquid guide pipe 23, thereby achieving the circulation and extraction of heat in the heat dissipation chamber 7.

In one case of the present embodiment, please refer to Figures 1 to 7, a water injection port 30 is provided at the top of the heat recovery chamber 8, a protective cover 31 is threadedly connected to the water injection port 30, a pressure relief valve 32 is fixedly connected to the protective cover 31, a water outlet 25 is provided at the bottom of the heat recovery chamber 8, a control valve 26 is fixedly connected to the water outlet 25, the utility model can inject drinking water into the heat recovery chamber 8 through the water injection port 30, and seal the water injection port 30 through the protective cover 31, and at the same time, the high-pressure steam in the heat recovery chamber 8 is depressurized through the pressure relief valve 32, thereby protecting the heat recovery chamber 8.

In one case of the present embodiment, please refer to Figures 1 to 7, a heating wire 18 is fixedly connected to the refrigeration chamber 4, and a drain outlet 27 is provided at the bottom of the refrigeration chamber 4. The utility model can also heat the gas in the refrigeration chamber 4 through the heating wire 18, thereby achieving indoor heating, and at the same time, the condensed water condensed on the evaporation tube 11 can be discharged through the drain outlet 27.

In one case of the present embodiment, please refer to Figures 1 to 7, the chassis 1 is provided with an air outlet 9 on the front side, and a guide hinge 10 is connected to the air outlet 9. The utility model blows out cold air or hot air through the air outlet 9, and controls the outlet direction of the cold air or hot air through the guide hinge 10.

In one case of the present embodiment, please refer to Figures 1 to 7, a temperature controller 33 is installed in the heat dissipation chamber 7. The utility model controls the output power of the liquid pump 22 through the temperature controller 33, and then controls the flow rate of the heat transfer oil between the heat dissipation chamber 7 and the heat pipe 21, and then controls the heat absorption rate of the heat recovery chamber 8 by controlling the flow rate of the heat transfer oil.

In one case of the present embodiment, please refer to Figures 1 to 7, the blowing assembly includes a mounting frame 12 fixedly connected to the partition 6, the mounting frame 12 is fixedly connected to a motor 13, and the output shaft of the motor 13 is fixedly connected to a fan blade 14, and air inlets 15 are provided on both sides of the ventilation chamber 5, and a sliding mounting frame 1612 is slidably connected in the air inlet 15, and a filter 17 is installed in the sliding mounting frame 1612. The blowing assembly drives the fan blade 14 to rotate through the motor 13, thereby blowing the gas in the ventilation chamber 5 into the refrigeration chamber 4, and at the same time, external air enters the ventilation chamber 5 along the air inlet 15, and the gas entering the ventilation chamber 5 is filtered by the filter 17.

The working principle of the utility model is as follows: the utility model first injects refrigerant into the evaporator tube 11 and the condenser tube 19, and then when the equipment is working, the gas refrigerant in the evaporator tube 11 is compressed by the compressor 29, so that the room temperature gas refrigerant is compressed into a high temperature liquid refrigerant, and the high temperature liquid refrigerant is injected into the condenser tube 19. At this time, the heat in the high temperature liquid refrigerant is transferred to the heat transfer oil in the heat dissipation chamber 7 along the condenser tube 19 and the heat transfer fins 20, and then the room temperature liquid refrigerant after the heat is dissipated is injected into the capillary tube 28. When the high pressure liquid refrigerant in the capillary tube 28 is injected into the evaporator tube 11, the high pressure liquid refrigerant has a large pressure drop, so that it evaporates quickly. At this time, the high pressure liquid refrigerant evaporates into a low temperature refrigerant gas, and then the heat in the gas in the refrigeration box is absorbed by the low temperature refrigerant gas, so as to achieve rapid cooling of the gas in the cold air box. Then, in summer, the fan blades 14 are driven by the motor 13 to Rotation, thereby agitating the gas in the ventilation chamber 5 into the refrigeration chamber 4, and at the same time, external air enters the ventilation chamber 5 along the air inlet 15, and at the same time, the gas entering the ventilation chamber 5 is filtered by the filter screen 17, thereby achieving cooling. As the heat transfer oil in the heat dissipation chamber 7 absorbs heat, the temperature of the heat transfer oil gradually increases, and then the high-temperature heat transfer oil is pumped into the heat transfer pipe 21 along the liquid guide pipe 23 through the liquid pump 22. At this time, the heat of the heat transfer oil is transferred to the drinking water in the heat recovery chamber 8 through the heat transfer pipe 21, thereby heating the drinking water, and then the heat transfer oil flows back to the heat dissipation chamber 7 along the liquid guide pipe 23, thereby realizing the circulation and extraction of heat in the heat dissipation chamber 7. At the same time, the utility model can also control the output power of the liquid pump 22 through the temperature controller 33, and then control the flow rate of the heat transfer oil between the heat dissipation chamber 7 and the heat transfer pipe 21, and then control the heat absorption rate of the heat recovery chamber 8 by controlling the flow rate of the heat transfer oil.

The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a heating ventilation air conditioner waste heat recovery equipment, includes quick-witted case, its characterized in that is provided with multiunit baffle in the quick-witted case, the quick-witted case front is provided with the refrigerating chamber, and the quick-witted case back is provided with the heat dissipation room, is provided with the heat exchange chamber between refrigerating chamber and the heat dissipation room, the quick-witted case top is provided with the compression chamber, heat dissipation room one side is provided with the heat recovery room, the indoor fixedly connected with evaporating pipe of refrigerating, the indoor fixedly connected with condenser pipe of heat dissipation, fixedly connected with multiunit equidistance heat conduction fin on the condenser pipe, fixedly connected with capillary in the compression chamber, the liquid outlet end of capillary and the evaporating pipe are connected, fixedly connected with compressor in the compression chamber, the compressor is connected with the inlet end of condensing pipe, the inlet end of evaporating pipe, be provided with the blast assembly in the air exchange chamber, the heat recovery is indoor installs the heat pipe, and one end that is connected with the connecting pipe, the other end and the heat dissipation room are linked together, the other end and the room of being connected with the liquid pump.

2. The heating ventilation air conditioner waste heat recovery device according to claim 1, wherein a water filling port is formed in the top of the heat recovery chamber, a protective cover is connected with the water filling port through internal threads, a pressure release valve is fixedly connected in the protective cover, a water outlet is formed in the bottom of the heat recovery chamber, and a control valve is fixedly connected in the water outlet.

3. The heating ventilation and air conditioning waste heat recovery device according to claim 1, wherein a heating wire is fixedly connected in the refrigerating chamber, and a water outlet is formed in the bottom of the refrigerating chamber.

4. The heating ventilation and air conditioning waste heat recovery device according to claim 1, wherein an air outlet is formed in the front face of the machine case, and a guide hinge is connected in the air outlet.

5. A heating ventilation and air conditioning waste heat recovery device according to claim 1, wherein a temperature controller is installed in the heat dissipation chamber.

6. The heat recovery device of a heating ventilation air conditioner according to claim 1, wherein the air blast assembly comprises a mounting frame fixedly connected in the partition plate, a motor is fixedly connected to the mounting frame, fan blades are fixedly connected to an output shaft of the motor, air inlets are formed in two sides of the ventilation chamber, a sliding mounting frame is slidably connected in the air inlets, and a filter screen is mounted in the sliding mounting frame.