LU502215B1 - A device integrating the functions of a gas stove, an air conditioner and a water heater - Google Patents

A device integrating the functions of a gas stove, an air conditioner and a water heater Download PDF

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Publication number
LU502215B1
LU502215B1 LU502215A LU502215A LU502215B1 LU 502215 B1 LU502215 B1 LU 502215B1 LU 502215 A LU502215 A LU 502215A LU 502215 A LU502215 A LU 502215A LU 502215 B1 LU502215 B1 LU 502215B1
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LU
Luxembourg
Prior art keywords
working medium
inlet
steam generator
water heater
outlet
Prior art date
Application number
LU502215A
Other languages
German (de)
Inventor
Yan Liu
Original Assignee
Yan Liu
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Publication date
Application filed by Yan Liu filed Critical Yan Liu
Priority to LU502215A priority Critical patent/LU502215B1/en
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Publication of LU502215B1 publication Critical patent/LU502215B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C13/00—Stoves or ranges with additional provisions for heating water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/008—Ranges

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

The utility model discloses a device integrating the functions of a gas stove, an air conditioner and a water heater, comprising an electric motor, a clutch, an air compressor, an expander, a fuel injector, a steam generator, three-way valves, an air inlet, a combustion chamber, a flame outlet, a heat exchanger, a water heater, a cooking bench, heat exchange tubes in the water heater, heat exchange tubes in the steam generator, a condenser, a rotating shaft, a working medium delivery pipe, an indoor radiator, fans, a water inlet, a water outlet, transmission lines, batteries, a working medium pump, flame passages and combustion chamber walls. The advantages of the utility model compared with the existing technology are as follows: the overall structure is simple, the pressure of the air compressor is increased by supercharging an expander or a steam turbine, the temperature of the combustion chamber is increased, the gas stove, air conditioner and water heater are integrated into one, the heat generated by natural gas combustion is comprehensively utilized and thus the energy utilization efficiency is improved, the applicability is wide, and it is easy to popularize.

Description

BL-5510 LU502215 A Device Integrating the Functions of a Gas Stove, an Air Conditioner and a Water Heater Technical Field This utility model relates to the heating field, in particular to a device integrating the functions of a gas stove, an air conditioner and a water heater. Background Gas stoves, water heaters and other combustion equipment consume a large amount of natural gas and other energy, and for the existing gas stoves, water heaters and other combustion equipment, the combustion efficiency is not high, with flue gas excess heat, and excess heat of the cooking bench is wasted seriously. Improving the efficiency of gas stoves, water heaters and other combustion equipment can reduce energy consumption and carbon dioxide emission, to protect the environment.
Therefore, it is imperative to design a device integrating the functions of a gas stove, an air conditioner and a water heater.
Summary of the Invention The technical issue to be addressed by the utility model is that the existing gas stoves adopts the natural mixture of air and natural gas to ignite and burn, and due to narrow indoor space, lack of oxygen for poor ventilation and other reasons, insufficient natural gas combustion, yellow flame and excessive carbon monoxide occur, and excess heat from the cooking bench and flue gas is discharged into the outdoor air, causing energy waste and low energy utilization efficiency.
To solve the above technical problems, the technical scheme provided by the utility model is: A device integrating the functions of a gas stove, an air conditioner and a water heater, comprising an electric motor, a clutch, an air compressor, an expander, a fuel injector, a steam generator, three-way valves, an air inlet, an combustion chamber, a flame outlet, a heat 1
BL-5510 LU502215 exchanger, a water heater, a cooking bench, heat exchange tubes in the water heater, heat exchange tubes in the steam generator, a condenser, a rotating shaft, a working medium delivery pipe, an indoor radiator, fans, a water inlet, a water outlet, transmission lines, batteries, a working medium pump, flame passages and combustion chamber walls, wherein the combustion chamber is arranged in the steam generator, and the upper part of the steam generator 1s provided with a steam outlet, the steam outlet is connected with the inlet of the working medium delivery pipe, and the outlet of the working medium delivery pipe is connected with the inlet of the expander, the outlet of the expander is connected with the condenser, and the condenser is connected with the steam generator by the air compressor; the rotating shaft of the expander is connected with the electric motor by the clutch, and the electric motor is connected with the batteries by the transmission lines;
a rotor of the expander is coaxially connected with a rotor of the air compressor through the clutch, and the outlet of the air compressor is connected with the inlet of the combustion chamber; the working medium in the steam generator can adopt pressurized carbon dioxide, R-14 or R-22; the working medium cycle in the steam generator adopts Rankine cycle;
the steam generator is provided with multiple heat exchange tubes in the steam generator, and the water heater is provided with multiple heat exchange tubes in the water heater, tube diameters of the heat exchange tubes in the water heater and the heat exchange tubes in the steam generator are matched and they are welded at interfaces to form a whole tube, and the heat exchange tubes in the water heater and the heat exchange tubes in the steam generator are paved with the flame passages, to achieve that the high temperature gas in the combustion chamber reaches the flame outlet on the cooking bench through the combustion chamber, the flame passages in the heat exchange tubes in the steam generator and the flame passages in the heat exchange tubes in the water heater to heat kitchen utensils on the cooking bench; the high temperature gas in the combustion chamber heats the internal circulating working medium
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BL-5510 LU502215 through the combustion chamber walls and the heat exchange tubes in the steam generator in the steam generator.
The advantages of the utility model compared with the existing technology are as follows: the overall structure is simple, the pressure of the air compressor is increased by supercharging an expander or a steam turbine, the temperature of the combustion chamber is increased, the gas stove, air conditioner and water heater are integrated into one, the heat generated by natural gas combustion is comprehensively utilized and thus the energy utilization efficiency is improved, the applicability is wide, and it is easy to popularize.
As the improvement, the working medium delivery pipe is provided with four three-way valves, and the inlet of the working medium delivery pipe is connected with the inlet of the heat exchanger by a three-way valve, the outlet of the heat exchanger is connected with the inlet of the expander by two three-way valves, and the heat exchanger is placed in the water heater; the inlet of the working medium delivery pipe is connected with another three-way valve through another valve port of the three-way valve and is connected with the indoor radiator, and the indoor radiator is connected with the inlet of the expander through a three-way valve.
As the improvement, the outlet of the heat exchanger can also be connected with the inlet of the indoor radiator through two three-way valve; the inlet of the working medium delivery pipe can also be connected with the inlet of the expander through four three-way valves.
As the improvement, the condenser is provided on the pipe connecting the outlet of the expander and the working medium pump, and the outlet of the working medium pump is connected with the liquid return port of the steam generator; the cold source of the condenser comes from water of the water inlet, and the water inlet is connected with the condenser through the working medium pump, the condenser is connected with the inlet of the water heater through the pipe, and the water heater is provided with the water outlet for discharging hot water.
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BL-5510 LU502215 Brief Description of the Drawings FIG. 1 is a structural schematic diagram of a device device integrating the functions of a gas stove, an air conditioner and a water heater; FIG. 2 is a structural diagram of embodiment 1; FIG. 3 is a structural diagram of embodiment 2.
Description of Embodiments The utility model is further described in details below in combination with the attached drawings.
In the concrete implementation of the utility model, A device integrating the functions of a gas stove, an air conditioner and a water heater, comprising an electric motor 1, a clutch 2, an air compressor 3, an expander 4, a fuel injector 5, a steam generator 6, three-way valves 7, an air inlet 8, an combustion chamber 9, a flame outlet 10, a heat exchanger 11, a water heater 12, a cooking bench 13, heat exchange tubes in the water heater 14, heat exchange tubes in the steam generator 15, a condenser 16, a rotating shaft 17, a working medium delivery pipe 18, an indoor radiator 19, fans 20, a water inlet 21, a water outlet 22, transmission lines 23, batteries 24, a working medium pump 25, flame passages 26 and combustion chamber walls 27, wherein the combustion chamber 9 is arranged in the steam generator 6, and the upper part of the steam generator 6 is provided with a steam outlet, the steam outlet is connected with the inlet of the working medium delivery pipe 18, and the outlet of the working medium delivery pipe 18 is connected with the inlet of the expander 4, the outlet of the expander 4 is connected with the condenser 16, and the condenser 16 is connected with the steam generator 6 by the air compressor 3; the rotating shaft 17 of the expander 4 is connected with the electric motor 1 by the clutch 2, and the electric motor 1 is connected with the batteries 24 by the transmission lines 23; a rotor of the expander 4 is coaxially connected with a rotor of the air compressor 3 through 4
BL-5510 LU502215 the clutch 2, and the outlet of the air compressor 3 is connected with the inlet of the combustion chamber 9; the working medium in the steam generator 6 can adopt pressurized carbon dioxide, R-14 or R-22; the working medium cycle in the steam generator 6 adopts Rankine cycle; the steam generator 6 is provided with multiple heat exchange tubes in the steam generator 15, and the water heater 12 is provided with multiple heat exchange tubes in the water heater 14, tube diameters of the heat exchange tubes in the water heater 14 and the heat exchange tubes in the steam generator 15 are matched and they are welded at interfaces to form a whole tube, and the heat exchange tubes in the water heater 14 and the heat exchange tubes in the steam generator 15 are paved with the flame passages 26, to achieve that the high temperature gas in the combustion chamber 9 reaches the flame outlet 10 on the cooking bench through the combustion chamber 9, the flame passages 26 in the heat exchange tubes in the steam generator 15 and the flame passages 26 in the heat exchange tubes in the water heater 14 to heat kitchen utensils on the cooking bench; the high temperature gas in the combustion chamber 9 heats the internal circulating working medium through the combustion chamber walls 27 and the heat exchange tubes in the steam generator 15 in the steam generator 6.
The working medium delivery pipe 18 is provided with four three-way valves 7, and the inlet of the working medium delivery pipe 18 is connected with the inlet of the heat exchanger 11 by a three-way valve 7, the outlet of the heat exchanger 11 is connected with the inlet of the expander 4 by two three-way valves 7, and the heat exchanger 11 is placed in the water heater 12; the inlet of the working medium delivery pipe 18 is connected with another three-way valve 7 through another valve port of the three-way valve 7 and is connected with the indoor radiator 19, and the indoor radiator 19 is connected with the inlet of the expander 4 through a three-way valve 7.
The outlet of the heat exchanger 11 can also be connected with the inlet of the indoor
BL-5510 LU502215 radiator 19 through two three-way valve 7; the inlet of the working medium delivery pipe 18 can also be connected with the inlet of the expander 4 through four three-way valves 7.
The condenser 16 is provided on the pipe connecting the outlet of the expander 4 and the working medium pump 25, and the outlet of the working medium pump 25 is connected with the liquid return port of the steam generator 6; the cold source of the condenser 16 comes from water of the water inlet 21, and the water inlet 21 is connected with the condenser 16 through the working medium pump 25, the condenser 16 is connected with the inlet of the water heater 12 through the pipe, and the water heater 12 is provided with the water outlet 22 for discharging hot water.
Working principles of the utility model: Embodiment 1: as shown in FIG. 2, the combustion chamber 9 is arranged in the steam generator 6, and the upper part of the steam generator 6 is provided with a steam outlet, the steam outlet is connected with the inlet of the working medium delivery pipe 18, and the outlet of the working medium delivery pipe 18 is connected with the inlet of the expander 4, the outlet of the expander 4 is connected with the condenser 16, and the condenser 16 is connected with the steam generator 6 by a working medium pump 25; the rotor of the expander 4 is connected with the electric motor 1 through a clutch, and the electric motor 1 is connected with the batteries 24 by the transmission lines 23. The rotor of the expander 4 is coaxially connected with the rotor of the air compressor 3 through the clutch 2, and the outlet of the air compressor 3 is connected with the inlet of the combustion chamber 9; the working medium in the steam generator 6 can adopt water, Freon, R-14, R-22 and organic working medium, etc.; the working medium cycle in the steam generator 6 adopts Rankine cycle.
Operation methods:
1. Startup mode 6
BL-5510 LU502215 Clutch 2-1 is engaged, and clutch 2-2 is engaged, the batteries 24 (or external power source) transmit power to the electric motor 1, and the electric motor 1 drives the air compressor 3 to compress air, and the fuel injector 5 injects fuel into the combustion chamber 9 and ignites, to start the device.
2. Steam turbine 4 supercharging + electric motor 1 supercharging mode The device is started and operated for a period of time, and the heated circulating working medium in the steam generator 6 passes through the inlet of working medium delivery pipe 18 to reach the inlet of steam turbine 4 after going through three-way valve 7-1, three-way valve 7-3, three-way valve 7-2 and three-way valve 7-4 in sequence and drives the steam turbine 4 to rotate, the clutch 2-1 is engaged and the clutch 2-2 is engaged, and the batteries 24 transmit power to the electric motor 1, the electric motor 1 and the steam turbine 4 work together to drive the air compressor 3 to compress air, and after the steam turbine 4 does work through expansion, the working medium reaches the condenser 16 through the outlet of steam turbine 4 for condensation, then sent to the liquid return port of steam generator 6 by working medium pump 25-2, to start the next cycle.
3. Steam turbine 4 supercharging mode The device is started and operated for a period of time, and the heated circulating working medium in the steam generator 6 passes through the inlet of working medium delivery pipe 18 to reach the inlet of steam turbine 4 after going through three-way valve 7-1, three-way valve 7-3, three-way valve 7-2 and three-way valve 7-4 in sequence and drives the steam turbine 4 to rotate, the clutch 2-1 is disengaged and the clutch 2-2 is engaged, and the steam turbine 4 works to drive the air compressor 3 to compress air, and after the steam turbine 4 does work through expansion, the working medium reaches the condenser 16 through the outlet of steam turbine 4 for condensation, then sent to the liquid return port of steam generator 6 by working medium pump 25-2, to start the next cycle.
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BL-5510 LU502215
4. Steam turbine 4 supercharging + circulating working medium hot water mode The device is started and operated for a period of time, and the heated circulating working medium in the steam generator 6 passes through the inlet of working medium delivery pipe 18 to reach the three-way valve 7-1, and the three-way valve 7-1 opens towards the heat exchanger 11 and closes towards the indoor radiator 19, the circulating working medium exchanges heat with the water in the water heater 12 at the heat exchanger 11 to heat the water in water heater 12, and the circulating working medium goes through the three-way valve 7-2 by the outlet of the heat exchanger 11, then reaches the inlet of the steam turbine 4 through the three-way valve 7-4 and drives the steam turbine 4 to rotate, the clutch 2-1 is disengaged and the clutch 2-2 is engaged, and the steam turbine 4 works to drive the air compressor 3 to compress air, and after the steam turbine 4 does work through expansion, the working medium reaches the condenser 16 through the outlet of steam turbine 4 for condensation, then sent to the liquid return port of steam generator 6 by working medium pump 25-2, to start the next cycle.
1. Steam turbine 4 supercharging + indoor heating mode The device is started and operated for a period of time, and the heated circulating working medium in the steam generator 6 passes through the inlet of working medium delivery pipe 18 to reach the three-way valve 7-1, and the three-way valve 7-1 closes towards the heat exchanger 11 and opens towards the indoor radiator 19, the circulating working medium passes through the three-way valve 7-1 to reach the indoor radiator 19 after going through the three-way valve 7-3 to heat indoor air, and the fans 20 blow the warm air around the indoor radiator 19 to achieve indoor heating, then the circulating working medium reaches the inlet of the steam turbine 4 through the three-way valve 7-4 and drives the steam turbine 4 to rotate, the clutch 2-1 is disengaged and the clutch 2-2 is engaged, and the steam turbine 4 works to drive the air compressor 3 to compress air, and after the steam turbine 4 does work through expansion, the working medium reaches the condenser 16 through the outlet of steam turbine 4 for condensation, 8
BL-5510 LU502215 then sent to the liquid return port of steam generator 6 by working medium pump 25-2, to start the next cycle.
2. Refrigeration mode When the air compressor 3 and the fuel injector 5 do not work, the combustion chamber 9 does not ignite, and the water heater 12 is cold water inside; Working with the working medium pump 25-2 as the power, the heated circulating working medium in the steam generator 6 passes through the inlet of working medium delivery pipe 18 to reach the three-way valve 7-1, and the three-way valve 7-1 opens towards the heat exchanger 11 and closes towards the indoor radiator 19, the circulating working medium exchanges heat with the cold water in the water heater 12 at the heat exchanger 11, and the temperature of the circulating working medium decreases, then the circulating working medium goes through the three-way valve 7-2 by the outlet of the heat exchanger 11, and reaches the inlet of the indoor radiator 19 through the three-way valve 7-3, when the temperature of the circulating working medium in the indoor radiator 19 is lower than the indoor temperature, the air around the indoor radiator 19 is cooled, and the fans 20 blow the surrounding air to realize indoor refrigeration, and after the circulating working medium performs heat exchange with the air in the indoor radiator 19, it reaches reaches the inlet of the steam turbine 4 through the three-way valve 7-4 and drives the steam turbine 4 to rotate, the clutch 2-1 is disengaged and the clutch 2-2 is disengaged, and the steam turbine 4 works to drive the air compressor 3 to compress air, and after the steam turbine 4 does work through expansion, the working medium reaches the condenser 16 through the outlet of steam turbine 4 for condensation, then sent to the liquid return port of steam generator 6 by working medium pump 25-2, to start the next cycle.
Embodiment 2: as shown in FIG. 3, the combustion chamber 9 is arranged in the steam generator 6, and the upper part of the steam generator 6 1s provided with a steam outlet, the steam outlet is connected 9
BL-5510 LU502215 with the inlet of the working medium delivery pipe 18, and the outlet of the working medium delivery pipe 18 is connected with the inlet of the expander 4, the outlet of the expander 4 is connected with the condenser 16, and the condenser 16 is connected with the steam generator 6 by a working medium pump 25; the rotor of the expander 4 is connected with the electric motor 1 through a clutch, and the electric motor 1 is connected with the batteries 24 by the transmission lines 23. The rotor of the expander 4 is coaxially connected with the rotor of the air compressor 3 through the clutch 2, and the outlet of the air compressor 3 is connected with the inlet of the combustion chamber 9; the working medium in the steam generator 6 can adopt water, Freon, R-14, R-22 and organic working medium, etc.; the working medium cycle in the steam generator 6 adopts closed Brayton cycle.
A desuperheater is arranged on the pipe connecting the outlet of expander 4 and the inlet of air compressor 3, the outlet of air compressor 3 is connected with the liquid return port of steam generator 6, and the cold source of the desuperheater comes from the water of the water inlet 21; the water inlet 21 is connected with the desuperheater through the working medium pump 25, the desuperheater is connected with the inlet of the water heater 12 through pipes, and the water heater 12 is provided with the water outlet 22 for discharging hot water.
The operation methods are as follows:
1. Startup mode Clutch 2-1 is engaged, and clutch 2-2 is engaged, the batteries 24 (or external power source) transmit power to the electric motor 1, and the electric motor 1 drives the air compressor 3-1 to work and the air compressor 3-2 to compress air, and the fuel injector 5 injects fuel into the combustion chamber 9 and ignites, to start the device.
2. Steam turbine 4 supercharging + electric motor 1 supercharging mode The device is started and operated for a period of time, and the heated circulating working medium in the steam generator 6 passes through the inlet of working medium delivery pipe 18 to
BL-5510 LU502215 reach the inlet of steam turbine 4 after going through three-way valve 7-1, three-way valve 7-3, three-way valve 7-2 and three-way valve 7-4 in sequence and drives the steam turbine 4 to rotate, the clutch 2-1 is engaged and the clutch 2-2 is engaged, and the batteries 24 transmit power to the electric motor 1, the electric motor 1 and the steam turbine 4 work together to drive the air compressor 3-1 to work and the air compressor 3-2 to compress air, and after the expander 4 does work through expansion, the working medium reaches the condenser 16 through the outlet of the expander 4 for cooling, then sent to the liquid return port of steam generator 6 by the compressor 3-1, to start the next cycle.
3. Expander 4 supercharging mode The device is started and operated for a period of time, and the heated circulating working medium in the steam generator 6 passes through the inlet of working medium delivery pipe 18 to reach the inlet of the expander 4 after going through three-way valve 7-1, three-way valve 7-3, three-way valve 7-2 and three-way valve 7-4 in sequence and drives the expander 4 to rotate, the clutch 2-1 is disengaged and the clutch 2-2 is engaged, and the steam turbine 4 works to drive the air compressor 3-1 to work and the air compressor 3-2 to compress air, and after the expander 4 does work through expansion, the working medium reaches the condenser 16 through the outlet of the expander 4 for cooling, then sent to the liquid return port of steam generator 6 by the compressor 3-1, to start the next cycle.
4. Expander 4 supercharging + circulating working medium hot water mode The device is started and operated for a period of time, and the heated circulating working medium in the steam generator 6 passes through the inlet of working medium delivery pipe 18 to reach the three-way valve 7-1, and the three-way valve 7-1 opens towards the heat exchanger 11 and closes towards the indoor radiator 19, the circulating working medium exchanges heat with the water in the water heater 12 at the heat exchanger 11 to heat the water in water heater 12, and the circulating working medium goes through the three-way valve 7-2 by the outlet of the heat 11
BL-5510 LU502215 exchanger 11, then reaches the inlet of the expander 4 through the three-way valve 7-4 and drives the expander 4 to rotate, the clutch 2-1 is disengaged and the clutch 2-2 is engaged, and the steam turbine 4 works to drive the air compressor 3-1 to work and the air compressor 3-2 to compress air, and after the expander 4 does work through expansion, the working medium reaches the condenser 16 through the outlet of the expander 4 for cooling, then sent to the liquid return port of steam generator 6 by the compressor 3-1, to start the next cycle.
5. Expander 4 supercharging + indoor heating mode The device is started and operated for a period of time, and the heated circulating working medium in the steam generator 6 passes through the inlet of working medium delivery pipe 18 to reach the three-way valve 7-1, and the three-way valve 7-1 closes towards the heat exchanger 11 and opens towards the indoor radiator 19, the circulating working medium passes through the three-way valve 7-1 to reach the indoor radiator 19 after going through the three-way valve 7-3 to heat indoor air, and the fans 20 blow the warm air around the indoor radiator 19 to achieve indoor heating, then the circulating working medium reaches the inlet of the expander 4 through the three-way valve 7-4 and drives the expander 4 to rotate, the clutch 2-1 is disengaged and the clutch 2-2 is engaged, and the steam turbine 4 works to drive the air compressor 3-1 to work and the air compressor 3-2 to compress air, and after the expander 4 does work through expansion, the working medium reaches the condenser 16 through the outlet of the expander 4 for cooling, then sent to the liquid return port of steam generator 6 by the compressor 3-1, to start the next cycle.
6. Refrigeration mode When the clutch 2-2 is disengaged, the air compressor 3-2 and the fuel injector 5 do not work, the combustion chamber 9 does not ignite, and the water heater 12 is cold water inside; when the clutch 2-1 is engaged, the batteries 24 (or external power source) transmit power to the electric motor 1, and the electric motor 1 drives the air compressor 3-1 to work, the heated 12
BL-5510 LU502215 circulating working medium in the steam generator 6 passes through the inlet of working medium delivery pipe 18 to reach the three-way valve 7-1, and the three-way valve 7-1 opens towards the heat exchanger 11 and closes towards the indoor radiator 19, the circulating working medium exchanges heat with the cold water in the water heater 12 at the heat exchanger 11, and the temperature of the circulating working medium decreases, then the circulating working medium goes through the three-way valve 7-2 by the outlet of the heat exchanger 11, and reaches the inlet of the indoor radiator 19 through the three-way valve 7-3, when the temperature of the circulating working medium in the indoor radiator 19 is lower than the indoor temperature, the air around the indoor radiator 19 is cooled, and the fans 20 blow the surrounding air to realize indoor refrigeration, and after the circulating working medium performs heat exchange with the air in the indoor radiator 19, it reaches reaches the inlet of the expander 4 through the three-way valve 7-4 and drives the expander 4 to rotate, the steam turbine 4 and the electric motor 1 work together to drive the air compressor 3-1 to work, and after the expander 4 does work through expansion, the working medium reaches the condenser 16 through the outlet of the expander 4 for cooling, then sent to the liquid return port of steam generator 6 by the compressor 3-1, to start the next cycle.
Although the embodiments of the utility model have been shown and described above, it can be understood that the above embodiments are exemplary, which cannot be understood as restrictions on the utility model. Common technicians in the field, without deviating from the principle and purpose of the utility model, can make change, modification, replacement and variation on the above embodiments within the scope of the utility model.
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Claims (4)

BL-5510 LU502215 CLAIMS:
1. A device integrating the functions of a gas stove, an air conditioner and a water heater, comprising an electric motor (1), a clutch (2), an air compressor (3), an expander (4), a fuel injector (5), a steam generator (6), three-way valves (7), an air inlet (8), an combustion chamber (9), a flame outlet (10), a heat exchanger (11), a water heater (12), a cooking bench (13), heat exchange tubes in the water heater (14), heat exchange tubes in the steam generator (15), a condenser (16), a rotating shaft (17), a working medium delivery pipe (18), an indoor radiator (19), fans (20), a water inlet (21), a water outlet (22), transmission lines (23), batteries (24), a working medium pump (25), flame passages (26) and combustion chamber walls (27), wherein the combustion chamber (9) is arranged in the steam generator (6), and the upper part of the steam generator (6) is provided with a steam outlet, the steam outlet is connected with the inlet of the working medium delivery pipe (18), and the outlet of the working medium delivery pipe (18) is connected with the inlet of the expander (4), the outlet of the expander (4) is connected with the condenser (16), and the condenser (16) is connected with the steam generator (6) by the air compressor (3); the rotating shaft (17) of the expander (4) is connected with the electric motor (1) by the clutch (2), and the electric motor (1) is connected with the batteries (24) by the transmission lines (23); a rotor of the expander (4) is coaxially connected with a rotor of the air compressor (3) through the clutch (2), and the outlet of the air compressor (3) is connected with the inlet of the combustion chamber (9); the working medium in the steam generator (6) can adopt pressurized carbon dioxide, R-14 or R-22; the working medium cycle in the steam generator (6) adopts Rankine cycle; the steam generator (6) is provided with multiple heat exchange tubes in the steam generator (15), and the water heater (12) is provided with multiple heat exchange tubes in the water heater (14), tube diameters of the heat exchange tubes in the water heater (14) and the heat 14
BL-5510 LU502215 exchange tubes in the steam generator (15) are matched and they are welded at interfaces to form a whole tube, and the heat exchange tubes in the water heater (14) and the heat exchange tubes in the steam generator (15) are paved with the flame passages (26), to achieve that the high temperature gas in the combustion chamber (9) reaches the flame outlet (10) on the cooking bench through the combustion chamber (9), the flame passages (26) in the heat exchange tubes in the steam generator (15) and the flame passages (26) in the heat exchange tubes in the water heater (14) to heat kitchen utensils on the cooking bench; the high temperature gas in the combustion chamber (9) heats the internal circulating working medium through the combustion chamber walls (27) and the heat exchange tubes in the steam generator (15) in the steam generator (6).
2. A device integrating the functions of a gas stove, an air conditioner and a water heater according to claim 1, wherein the working medium delivery pipe (18) is provided with four three-way valves (7), and the inlet of the working medium delivery pipe (18) is connected with the inlet of the heat exchanger (11) by a three-way valve (7), the outlet of the heat exchanger (11) is connected with the inlet of the expander (4) by two three-way valves (7), and the heat exchanger (11) is placed in the water heater (12); the inlet of the working medium delivery pipe (18) is connected with another three-way valve (7) through another valve port of the three-way valve (7) and is connected with the indoor radiator (19), and the indoor radiator (19) is connected with the inlet of the expander (4) through a three-way valve (7).
3. A device integrating the functions of a gas stove, an air conditioner and a water heater according to claim 2, wherein the outlet of the heat exchanger (11) can also be connected with the inlet of the indoor radiator (19) through two three-way valve (7); the inlet of the working medium delivery pipe (18) can also be connected with the inlet of the expander (4) through four three-way valves (7).
BL-5510 LU502215
4. A device integrating the functions of a gas stove, an air conditioner and a water heater according to claim 1, wherein the condenser (16) is provided on the pipe connecting the outlet of the expander (4) and the working medium pump (25), and the outlet of the working medium pump (25) is connected with the liquid return port of the steam generator (6); the cold source of the condenser (16) comes from water of the water inlet (21), and the water inlet (21) is connected with the condenser (16) through the working medium pump (25), the condenser (16) is connected with the inlet of the water heater (12) through the pipe, and the water heater (12) is provided with the water outlet (22) for discharging hot water.
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LU502215A 2022-06-02 2022-06-02 A device integrating the functions of a gas stove, an air conditioner and a water heater LU502215B1 (en)

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Application Number Priority Date Filing Date Title
LU502215A LU502215B1 (en) 2022-06-02 2022-06-02 A device integrating the functions of a gas stove, an air conditioner and a water heater

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