KR20040085540A - Electricity and Air Conditioning Supply Method and the Device that use Co-Generation GHP - Google Patents

Abstract

PURPOSE: An electricity and heating supply method using cogeneration GHP(Gas Heat Pump) and a device thereof are provided to enable electricity supply, hot-water supply, heating supply, and air-conditioning via independent power generation by city gas. CONSTITUTION: An electricity and heating supply device using cogeneration GHP comprises an electricity supply unit, a heating supply unit, and an air-conditioning supply unit, to provide electricity, hot water, and air conditioning to a home via the electricity and exhaust heat produced by using a cogeneration GHP device. In the electricity supply unit, a gas pipe(14) is connected to a gas engine(101). The gas engine is connected to a generator(102). The generator is connected to a first electricity supply line(17). The first electricity supply line is connected to a rectifier(105). The rectifier is connected to an inverter(106). The inverter is connected to a second electricity supply line(17a). The second electricity supply line is connected to a switchboard(6). In the heating supply unit, an exhaust heat exchanger(103) is arranged to a side of the gas engine. A coolant circulation line(16) is connected to the gas engine. A water-water heat exchanger(104) is connected to the coolant circulation line. A water supply line(15) passes through the inside of the water-water heat exchanger. The coolant circulation line and a radiator(109) are connected. The water supply line and a hot water tank(4) are connected. The hot water tank is connected to a first hot water pipe line(5) and a second hot water pipe line(5a). One side of a hot water pipe(7) is connected to the first hot water pipe line and the other side is connected to the second hot water pipe line. In the air-conditioning supply unit, the switchboard and an EHP(Electric Heat Pump) outdoor unit(19) are connected to a fourth electricity supply line(17c). The EHP outdoor unit and an EHP indoor unit(12) installed to the ceiling(13) are connected to a power/control line and a coolant pipe(18).

Description

Electricity and Air Conditioning Supply Method and Device Using Cogeneration GEPH (Electricity and Air Conditioning Supply Method and the Device that use Co-Generation GHP)

The present invention relates to a method for heating and supplying electricity and heating using cogeneration GHP, and more particularly, to generating electricity by driving a generator by driving a gas engine using inexpensive city gas to generate electricity. And electric and air-conditioning using cogeneration GECHIP (GHP), which not only supplies hot water and hot water by recycling the exhaust heat generated when the gas engine is driven, but also supplies cooling by using electricity generated by the gas engine. A supply method and apparatus therefor.

In general, a cogeneration GHP using a gas engine drives a gas engine to drive a refrigerant compressor, and performs cooling and heating operation through a fan installed in a heat exchanger to heat energy of a circulating refrigerant.

However, the above method is a method of warming or cooling the indoor air, which requires a refrigerant (heating) and warms the floor of the room, or requires power (electricity) required for lighting and home appliances in a building installed alone. There was a problem that can not produce.

The present invention is devised to solve the conventional problems as described above, by driving a gas engine using a cheap city gas to supply electricity through self-generation can reduce the burden of power costs due to the use of electricity as well as gas By recycling the exhaust heat generated when the engine is running, it is possible to supply hot water and floor heating without having to install a separate boiler facility, and to provide cooling in the home through electricity generated by the gas engine. The purpose of the present invention is to provide a method and apparatus for supplying electric / cooling and heating using Cogeneration GICH, which can reduce the burden of electric power costs and maximize energy efficiency.

Figure 1 shows the overall configuration according to the present invention.

<Description of the symbols for the main parts of the drawings>

(1): Cogeneration GICH (2): Hot water heater

(3): bypass valve (4): water storage tank

(5): first hot water pipe (5a): second hot water pipe

(5b): third hot water pipe (5c): fourth hot water pipe

(6): switchboard 7: hot water pipe

(8): Ondol floor (9): Hot water load

(10) home appliances (11): lighting equipment

(12): EHP indoor unit (13): Ceiling

(14): gas pipe (15): water supply line

(16): cooling water circulation line (17): first electric supply line

17a: second electric supply line 17b: third electric supply line

(17c): Fourth electric supply line (18): Power supply, control line and refrigerant pipe

(19): EHP outdoor unit (101): gas engine

(102): generator (103): exhaust heat exchanger

(104): water-water heat exchanger (105): rectifier

106: Inverter 107: Control Unit

(108): display device (109): radiator

Referring to the configuration of the present invention in conjunction with the accompanying drawings as follows.

1 is a view showing the overall configuration according to the present invention, the configuration of the electricity supply means for supplying electricity, hot water and cooling to the home using electricity and exhaust heat generated by using a cogeneration GHP device And heating and cooling means,

The electricity supply means is connected to the gas pipe 14 and the gas engine 101, the gas engine 101 and the generator 102 is connected, the generator 102 and the first electricity supply line 17 is connected The first electric supply line 17 and the rectifier 105 are connected, the rectifier 105 and the inverter 106 are connected, and the inverter 106 and the second electric supply line 17a are connected. The second electric supply line 17a and the switchboard 6 are connected to each other, and the heating supply means includes an exhaust heat exchanger 103 on one side of the gas engine 101, and the gas engine 101. The cooling water circulation line 16 is connected to the cooling water circulation line 16, and the water-water heat exchanger 104 is connected to the cooling water circulation line 16, and the water supply line 15 passes through the water-water heat exchanger 104. The cooling water circulation line 16 and the radiator 109 are connected to each other, and the water supply line 15 and the water storage tank 4 are connected to the water storage tank 4 and the first hot water. The pipe 5 and the second hot water pipe 5a are connected, one side of the hot water pipe 7 is connected to the first hot water pipe 5, and the other side is configured to be connected to the second hot water pipe 5a. In addition, the cooling supply means is connected to the switchboard 6 and the outdoor etch EHP (EHP) outdoor unit 19 is installed in the fourth electric supply line (17c), the etch EPI outdoor unit 19 and the ceiling ( An EHP indoor unit 12 installed at 13 is connected to a power source, a control line, and a refrigerant pipe 18.

In addition, the heating supply means is connected to the bypass valve (3) to the first hot water pipe (5) to increase the temperature of the hot water when the temperature of the hot water flowing through the first hot water pipe (5) is low. And a third hot water pipe 5b connected to the bypass valve 3 and connected to the third hot water pipe 5b and connected to the switchboard 6 and the third electric supply line 17b. 2) is provided.

In addition, the heating supply means has a hot water load (9) connected to the first hot water pipe (5) and the fourth hot water pipe (5c), and connected to the fourth hot water pipe (5c).

In addition, the electricity supply step, the heating supply step and the cooling supply step to supply electricity, hot water and cooling to the home using electricity and exhaust heat generated by using a cogeneration GICH device, the electricity supply In the step, the gas flowing into the gas pipe 14 is combusted to drive the gas engine 101, and the generator 102 operates to generate power as the gas engine 101 is driven, and the generator ( The electricity generated at 102 flows into the rectifier 105 through the first electric supply line 17 and the AC current is converted into the DC current, and the DC current converted by the rectifier 105 is transferred to the inverter 106. Inflow and conversion to an alternating current, the alternating current converted in the inverter 106 is introduced into the switchboard 6 through the second electric supply line (17a), the electricity in the home in the switchboard (6) Electricity to the device Electricity is supplied through the step of distributing, and in the heating supplying step, the exhaust heat generated at the same time as the gas engine 101 is driven is discharged to the cooling water circulation line 16 through the exhaust heat exchanger 103, and thus the cooling water circulation line ( Cooling the gas engine 101 circulated through the 16 to supplementally heat the heated high temperature cooling water, and the high temperature cooling water flows into the water-water heat exchanger 104 to supply the water through the water supply line 15. Performing heat exchange with water introduced into the water storage tank (4) through the water-water heat exchanger (104), and a part of the heat-exchanged cooling water flows into the radiator (109) and then back into the gas engine (101). The coolant flowing into the radiator 109 and not into the radiator 109 is directly introduced into the gas engine 101, and the temperature at which the hot water introduced into the water storage tank 4 through the water-water heat exchanger 104 is set. If abnormal, the first hot water pipe (5) Part of the water supply load (9) is introduced through the fourth hot water pipe (5c) and part of the hot water pipe (7) directly enters, if the temperature is below the set temperature bypass valve connected to the first hot water pipe (5) (3) ) Is introduced into the third hot water pipe (5b), the temperature is raised through the hot water heater (2), and then flows back into the first hot water pipe (5), and part of the hot water load (9) through the fourth hot water pipe (5c) ) Is introduced into the hot water pipe (7) and a part directly into the hot water pipe (7), and the hot water introduced into the hot water pipe (7) to heat the underfloor floor (8) is stored in the water tank (4) through the second hot water pipe (5a) Heat supply is supplied through the step of supplying heat), and the cooling supply step blocks the hot water flowing into the hot water pipe 7 through the first hot water pipe 5 to the fourth hot water pipe 5c only. Supplying only hot water supply by allowing hot water to flow in, and in the switchboard 6, a fourth electric supply line 17c Through the electricity is supplied thereto as soon the Chippewa (EHP), the outdoor unit 19 and the operation at the same time this Chippewa (EHP) cooling supplied through the steps of the indoor unit 12 operates.

Referring to the configuration as described above the operation of the present invention.

As the gas engine 101 is driven, the generator 102 generates power, and electricity flows into the rectifier 105 through the first electricity supply line 17.

The AC current introduced into the rectifier 105 is converted into a DC current through the rectifier and introduced into the inverter 106.

The DC current introduced into the inverter 106 is converted into an AC current and then introduced into the switchboard 6 through the second electric supply line.

The electric current flowing into the switchboard 6 is an electric device such as a lighting device 11, a home appliance 10, a hot water heater 2, an EHP indoor unit 12, an EHP outdoor unit 19, or the like. Distribute the current to

In addition, the gas engine 101 is driven and at the same time the cooling water circulates along the cooling water circulation line 16 to cool the gas engine 101.

As described above, before the high-temperature cooling water having cooled the gas engine 101 is introduced into the water-water heat exchanger 104 through the cooling water circulation line 16, the exhaust heat exchanger 103 provided at one side of the gas engine 101 is provided. By exhausting the exhaust heat to the cooling water circulation line 16 through the supplementary heating of the high temperature cooling water once more, the cooling water flows into the water-water heat exchanger (104).

As described above, the high temperature cooling water introduced into the water-water heat exchanger 104 is heat exchanged with water introduced into the water-water heat exchanger 104 through the water supply line 15 connected to the water storage tank 4.

The heat-exchanged water becomes hot water and flows into the water storage tank 4, a part of the cooling water flows into the gas engine 101 through the radiator 109, and the other part directly flows into the gas engine 101.

The hot water introduced into the water storage tank 4 is discharged through the first hot water pipe (5).

When the temperature of the hot water flowing out through the first hot water pipe 5 is less than or equal to the set temperature, it is introduced into the third hot water pipe 5b through the bypass valve 3.

The hot water introduced into the third hot water pipe 5b is additionally heated by the hot water heater 2 and then flows into the first hot water pipe 5 again.

A part of the hot water introduced into the first hot water pipe (5) is introduced into the fourth hot water pipe (5c) to flow into the hot water load (9) and the other part is introduced into the hot water pipe (7) to heat the underfloor floor (8) After the flow is introduced into the water storage tank (4) along the second hot water pipe (5a).

In addition, when the temperature of the hot water flowing out through the first hot water pipe (5) is higher than the set temperature, a part is directly introduced into the hot water load (9) through the fourth hot water pipe (5c) and the other part of the hot water pipe ( 7) is introduced into the reservoir (4) through the second hot water pipe (5a) after heating the ondol floor (8).

In addition, when cooling is required in the home to supply cooling, hot water flowing into the ondol floor 8 through the first hot water pipe 5 is cut off so that the hot water pipe 5c flows into the hot water pipe 5c. Only let hot water enter the.

After the hot water is introduced only into the hot water load 9 as described above, electricity is supplied from the switchboard 6 through the fourth electric supply line 17c to operate the EHP outdoor unit 19 and at the same time, the ichipi (EHP) An IHP indoor unit 12 connected to an outdoor unit 19, a power supply, a control line, and a refrigerant pipe 18 operates to supply cooling in the home.

In the drawing, reference numeral 107 denotes a control unit, and 108 denotes a display device.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

The present invention generates electricity by driving a gas engine using a cheap city gas to supply electricity in the home, and recycles exhaust heat generated by the gas engine to supply hot water and heating to the home, and the gas By using the electricity generated by the engine to supply cooling in the home, the waste heat can be recycled to maximize energy efficiency, prevent waste of resources, and provide hot water and heating in the home. There is no need to install a separate boiler facility, so it does not incur the cost of boiler facility, and it uses the electricity generated by self-generation as the gas engine is driven to drive the air conditioner (EHP). It is a very useful invention that can greatly reduce the burden.

Claims (4)

Comprising a power supply means for supplying electricity, hot water and cooling to the home using electricity and exhaust heat generated using the cogeneration GHP device, heating supply means and cooling supply means, The electricity supply means is connected to the gas pipe 14 and the gas engine 101, the gas engine 101 and the generator 102 is connected, the generator 102 and the first electricity supply line 17 is connected The first electric supply line 17 and the rectifier 105 are connected, the rectifier 105 and the inverter 106 are connected, and the inverter 106 and the second electric supply line 17a are connected. The second electricity supply line 17a and the switchboard 6 are connected to each other. The heating supply means is provided with an exhaust heat exchanger (103) on one side of the gas engine (101), a cooling water circulation line (16) connected to the gas engine (101), and a water- to the cooling water circulation line (16). A water heat exchanger 104 is connected, a water supply line 15 passes through the water-water heat exchanger 104, the cooling water circulation line 16 and a radiator 109 are connected, and the water supply line ( 15 is connected to the storage tank (4), the storage tank (4), the first hot water pipe (5) and the second hot water pipe (5a) is connected, the hot water pipe (5) to the first hot water pipe (5) One side of 7) is connected and the other side is configured to be connected to the second hot water pipe (5a), The cooling supply means is connected to the switchboard 6 and the outdoor unit (EHP) outdoor unit 19 is installed in the fourth electric supply line (17c), the outdoor unit 19 and the ceiling (EHP) (13) EHP indoor unit (12) installed in the) is connected to the power supply, control line and the refrigerant pipe (18) Electric and air-conditioning supply device using the cogeneration GICH (GHP). The method of claim 1, The heating supply means is connected to the bypass valve (3) to the first hot water pipe (5) to increase the temperature of the hot water when the temperature of the hot water flowing through the first hot water pipe (5) is low, A hot water heater 2 connected to the bypass valve 3 and connected to the third hot water pipe 5b and connected to the third hot water pipe 5b and connected to the switchboard 6 and the third electric supply line 17b. Electric and air-conditioning supply device using the cogeneration GEICH (GHP), characterized in that further comprises. The method of claim 1, The heating supply means is connected to the first hot water pipe (5) and the fourth hot water pipe (5c), characterized in that it further comprises a hot water supply load (9) connected to the fourth hot water pipe (5c). Electric and air-conditioning supply device using generation GHP. The electricity supply step, the heating supply step and the cooling supply step to supply electricity, hot water and cooling to the home using electricity and exhaust heat generated by using the cogeneration GICH device, The electricity supply step includes the step of driving the gas engine 101 by burning the gas flowing into the gas pipe 14, the generator 102 is operated to generate electricity as the gas engine 101 is driven, The electricity generated by the generator 102 is introduced into the rectifier 105 through the first electric supply line 17 to convert an AC current into a DC current, and the DC current converted by the rectifier 105 is an inverter ( 106 is introduced into the AC switch, and the AC current converted by the inverter 106 flows into the switchboard 6 through the second electric supply line 17a, and in the switchboard 6 The electricity is supplied through the steps of distributing electricity to the electric devices in the home, In the heating supply step, the gas engine 101 at which the exhaust heat generated while the gas engine 101 is driven is discharged to the cooling water circulation line 16 through the exhaust heat exchanger 103 and circulated through the cooling water circulation line 16. Cooling the elevated temperature of the cooling water supplementally), and the high temperature cooling water flows into the water-water heat exchanger 104 and passes through the water-water heat exchanger 104 through the water supply line 15. Performing heat exchange with water introduced into the water storage tank (4), and a part of the heat-exchanged cooling water flows into the radiator (109) and then flows back into the gas engine (101) and flows into the radiator (109). The non-cooling water flows directly into the gas engine 101, and the first hot water pipe 5 when the hot water introduced into the water storage tank 4 through the water-water heat exchanger 104 is above a set temperature. The hot water supply part through the fourth hot water pipe (5c) Inflow to the lower (9) and partly flows directly into the hot water pipe (7), when the temperature is below the set temperature, it is introduced into the third hot water pipe (5b) by the bypass valve (3) connected to the first hot water pipe (5) After the temperature rises through the hot water heater (2) and flows back into the first hot water pipe (5), a part flows into the hot water load (9) through the fourth hot water pipe (5c) and a part into the hot water pipe (7). Directly flowing into the hot water pipe (7) and heated on the heated floor (8), the hot water is supplied through the second hot water pipe (5a) into the water storage tank (4) to supply the heating, In the cooling supply step, hot water is introduced into the hot water pipe 7 through the first hot water pipe 5 so that only hot water flows into the fourth hot water pipe 5c to supply only hot water supply. The electricity is supplied from the switchboard 6 through the fourth electricity supply line 17c to operate the echpi (EHP) outdoor unit 19 and simultaneously operate the echpi (EHP) indoor unit 12. Electric and air-conditioning supply method using the cogeneration GEICH (GHP) characterized in that.