CN1776328A - Mixed power gas heat pump air conditioner and its operating method - Google Patents
Mixed power gas heat pump air conditioner and its operating method Download PDFInfo
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- CN1776328A CN1776328A CN 200510122835 CN200510122835A CN1776328A CN 1776328 A CN1776328 A CN 1776328A CN 200510122835 CN200510122835 CN 200510122835 CN 200510122835 A CN200510122835 A CN 200510122835A CN 1776328 A CN1776328 A CN 1776328A
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Abstract
With more than two power sources being installed, the disclosed new type system includes unit of combining dynamic forces, heat recovery device, fuel gas allocation unit, refrigerating unit and auxiliary device etc. The unit of combining dynamic forces is composed of gas engine, electric motor, generator and accumulation device etc. The refrigerating unit includes compressor, restricting elements, vaporizer and condenser etc. Main features of the system are that gas engine and accumulation device are combined to drive compressor; when load of the compressor is larger than drive provided by the gas engine, then both the gas engine and accumulation device provides power for the compressor; when load of the compressor is smaller than drive provided by the gas engine, then the gas engine stops operation if the accumulation device provides enough power; otherwise, the gas engine provides part of power to drive the compressor, and surplus power in use for charging the accumulation device.
Description
Technical field
The present invention relates to a kind of novel hybrid gas heat pump air-conditioning, belongs to the technical field that air regulator is made.
Background technology
At present, in the gas-fired heat pump air conditioner application process, when the load variations of heat pump type air conditioning system was frequent, engine fuel mainly moved under partial load condition, and operating condition constantly changes with external load, usually depart from declared working condition, the change of engine fuel operating mode realizes by the size of control fuel flow rate that mainly along with the variation of fuel flow rate, the operating mode of engine is in change continually, the engine operation stability is poor, and fuel economy is lower.Although gas-fired heat pump mainly with consume fuel (as natural gas, gasoline etc.) be main, but devices such as the blower fan in the air-conditioning system, pump and control circuit also need extra electric energy to drive, and make gas-fired heat pump to the dependence in power supply place, have limited the range of application of gas-fired heat pump.
Summary of the invention
Technical problem: the purpose of this invention is to provide a kind of mixed power gas heat pump air conditioner and method of operating thereof, this air-conditioning system is combined into organic whole with mixed power plant and refrigerating plant, improved the part load performance of gas engine, reduced energy resource consumption, reduce discharge of harmful gases, reached good energy-conservation and environment protecting.
Technical scheme: hybrid-power combustion-gas thermal pump air-conditioning system of the present invention is made up of mixed power plant, waste-heat recovery device, combustion gas dispenser apparatus, refrigerating plant and servicing unit etc.Mixed power plant links to each other with compressor by shaft joint, the blast pipe of compressor and oil eliminator are connected, the inlet side pipeline of the other end of oil eliminator and cross valve is connected, and first of cross valve goes out to hold pipeline and reservoir to connect, and the other end of reservoir and the import of compressor are connected; Second of cross valve goes out to hold pipeline and indoor heat exchanger to connect, and the other end of indoor heat exchanger and throttling arrangement are connected, and the other end of throttling arrangement and outdoor heat exchanger are connected, and the 3rd of the other end of outdoor heat exchanger and cross valve goes out to hold pipeline to connect; Water route circulation is divided into two-way by the outlet pipe of afterheat of hot water retracting device through water pump, and one the road supplies with domestic water, and another road is through stop valve inflow heat exchanger, is used for overheated low pressure refrigerant.
Mixed power plant in the native system is made up of gas engine, motor, generator and energy storage equipment etc., and the configuration of power plant system mainly contains three kinds: serial mixed power device, parallel type hybrid dynamic device and series parallel hybrid power device.Tandem is meant that engine fuel drives the generator unit and gives energy storage equipment and motor power supply, by the independent drive compression machine of motor.(increase as room load) when the power that starts when generator needs less than air-conditioning system, energy storage equipment provides electric energy to motor; When the power that starts when generator needs less than air-conditioning system (reducing), then to charge in batteries as room load.In-line characteristics are that the running of engine is independent of outside the heat pump type air conditioning system, but efficient loss in the mutual transfer process of mechanical energy and electric energy.Tandem is applicable to the heat pump air conditioner operating mode of unit frequent starting or unit load frequent variations.Parallel is that mean engine can drive separately outside the compressor, can also unite the drive compression machine with motor, and motor is drive compression machine separately also.Like this, just engine can be driven separately, Motor Drive, engine and motor are united and are driven three kinds of modes and organically combine, and realize the best of breed of type of drive.In parallel, motor can be used as motor or generator simultaneously with the load of balanced engine or compressor, makes and starts function to turn round at efficacious workaround.The parallel heat pump air conditioner unit that is applicable to the unit load frequent variations.Series parallel type has parallel and in-line characteristics concurrently, in this system, but both drive compressor of engine, motor, also drive compression machine simultaneously, but this hybrid power mode complex structure does not adopt in the present invention.
This device can following two kinds of mode operations:
1, do the refrigeration mode operation summer, this moment, stop valve 7,14 was closed, and stop valve 55 is opened.Mixed power plant drives compressor 2 operations, the inlet side A of cross valve 11 and the 3rd go out to hold D logical, first go out to hold C and second to go out to hold B to lead to, outdoor heat exchanger becomes condenser, indoor heat exchanger becomes evaporimeter.Waste-heat recovery device 15 reclaims the cylinder sleeve waste heat and the smoke discharging residual heat heat hot water of the gas engine of mixed power plant 1, and domestic water is provided.
2, heat pump heating mode operation in winter, this moment, stop valve 5 was closed, and stop valve 7,14 is opened.Mixed power plant drives compressor 2 operations, cross valve 7 inlet side A and second go out to hold B logical, first go out to hold C and the 3rd to go out to hold D to lead to, outdoor heat exchanger 4 becomes evaporimeter, indoor heat exchanger 10 becomes condenser.The low pressure refrigerant that flows out from outdoor heat exchanger 4 by heat exchanger 6 heating after, flow through stop valve 7, cross valve 11 and reservoir 3 after, enter compressor.
Because this heat pump type air conditioning system uses motor as auxiliary burden, compare with the combustion-gas thermal pump air-conditioning system of routine, can reduce the discharge capacity of gas engine, gas engine can be moved under the operating mode of good efficiencies, thereby improved the economy of system fuel, improve the engine operation stability, reduced noise.
Native system also has the advantage of conventional gas-fired heat pump concurrently, has good part load performance, helps electric power peak clipping combustion gas and fills out paddy, has higher primary energy ratio, environmental protection and energy-conservation.Simultaneously, energy storage equipment institute electric energy stored part in the mixed power plant can be to the compressor providing capability, another part provides necessary electric energy (as blower fan, water pump etc.) can for whole heat pump type air conditioning system, thereby make gas-fired heat pump can thoroughly break away from dependence, enlarged the use field of gas-fired heat pump the power supply place.
Beneficial effect: the invention has the beneficial effects as follows:
1. with the motor auxiliary power, engine can move under the operating mode of good efficiencies, the limiting engine idle running, make engine be operated in efficient district as far as possible, can improve operation stability, service life and the reduction noise of engine fuel, can improve the fuel economy of heat pump type air conditioning system, reduce discharge of harmful gases.
2. engine fuel and energy storage equipment associating drive compression machine can reduce engine displacement, and under the constant load, engine friction loss, heat loss and pumping loss that discharge capacity is little are all smaller, the fuel thermal efficiency height.
3. the energy storage equipment in the mixed power plant can be directly provides electric energy to blower fan, pump and the control element etc. of air-conditioning system, thereby make mixed power gas heat pump air conditioner not need the extra electric energy also can isolated operation, make gas heat pump air-conditioning need not any electric power input, can be applied to occasions such as field.
4. the battery of energy storage equipment can be selected fuel cell, lead-acid battery, Ni-MH battery, solar cell etc., when the energy storage equipment Capacity Ratio is big, charge a battery in the time of can being chosen in the electricity price low ebb, when the electricity price peak, drive heat pump air conditioner separately, improve the economy of heat pump type air conditioning system.
Description of drawings
Fig. 1 is a structural representation of the present invention.Wherein have: mixed power plant 1, waste-heat recovery device 15, compressor 2, oil eliminator 12, reservoir 3, cross valve 11, inlet side A, first go out to hold C, second to go out to hold B, the 3rd to go out to hold D, throttling arrangement 8, indoor heat exchanger 10, outdoor heat exchanger 4, heat exchanger 6, stop valve 5, stop valve 7, stop valve 14, water pump 13, flow control valve 9.
Fig. 2 is a mixed power plant system schematic of the present invention.
The specific embodiment
Hybrid-power combustion-gas thermal pump of the present invention is a kind of hybrid power and refrigerating plant to be combined into the novel air conditioning system of organic whole, is made up of equipment such as mixed power plant, water waste-heat recovery device, compressor, oil eliminator, reservoir, cross valve, throttling arrangement and heat exchangers.Mixed power plant 1 and compressor 2 link to each other by shaft joint, the blast pipe of compressor 2 and oil eliminator 12 are connected, the inlet side A pipeline of the other end of oil eliminator 12 and cross valve 11 is connected, first of cross valve 7 goes out to hold C pipeline and reservoir 3 to connect, and the import of the other end of reservoir 3 and compressor 2 is connected; Second of cross valve 7 goes out to hold B pipeline and indoor heat exchanger 10 to connect, the other end of indoor heat exchanger 10 and throttling arrangement 8 are connected, the other end of throttling arrangement 8 and outdoor heat exchanger 4 are connected, the 3rd of cross valve 7 goes out to hold D to be divided into two-way, one the tunnel links to each other with stop valve 5, and another road links to each other with stop valve 7, and the other end of stop valve 5 and outdoor heat exchanger 4 are connected, the other end of stop valve 7 and heat exchanger 6 are connected, and the other end of heat exchanger 6 and outdoor heat exchanger 4 are connected; The water route circulation is divided into two-way by the outlet pipe of waste-heat recovery device 15 through water pump 13, and one the tunnel connects stop valve 14, and another road leads to domestic water; The water inlet pipe of the other end of stop valve 14 and heat exchanger 6 is connected, and the outlet pipe of the outlet pipe of heat exchanger 6 and flow control valve 9 is connected, and mixes the back and links to each other with the water inlet pipe of waste-heat recovery device 15.
This device can following two kinds of mode operations:
1, do the refrigeration mode operation summer, this moment, stop valve 7,14 was closed, and stop valve 55 is opened.Mixed power plant drives compressor 2 operations, the inlet side A of cross valve 11 and the 3rd go out to hold D logical, first go out to hold C and second to go out to hold B to lead to, outdoor heat exchanger becomes condenser, indoor heat exchanger becomes evaporimeter.Waste-heat recovery device 15 reclaims the cylinder sleeve waste heat and the smoke discharging residual heat heat hot water of the gas engine of mixed power plant 1, and domestic water is provided.
2, heat pump heating mode operation in winter, this moment, stop valve 5 was closed, and stop valve 7,14 is opened.Mixed power plant drives compressor 2 operations, cross valve 7 inlet side A and second go out to hold B logical, first go out to hold C and the 3rd to go out to hold D to lead to, outdoor heat exchanger 4 becomes evaporimeter, indoor heat exchanger 10 becomes condenser.The low pressure refrigerant that flows out from outdoor heat exchanger 4 by heat exchanger 6 heating after, flow through stop valve 7, cross valve 11 and reservoir 3 after, enter compressor 2.
Claims (3)
1. mixed power gas heat pump air conditioner, it is characterized in that mixed power plant (1) links to each other by shaft joint with compressor (2), the blast pipe of compressor (2) and oil eliminator (12) are connected, the inlet side A pipeline of the other end of oil eliminator (12) and cross valve (11) is connected, first of cross valve (11) goes out to hold C pipeline and reservoir (3) to connect, and the import of the other end of reservoir (3) and compressor (2) is connected; Second of cross valve (11) goes out to hold B pipeline and indoor heat exchanger (10) to connect, the other end of indoor heat exchanger (10) and throttling arrangement (8) are connected, the other end of throttling arrangement (8) and outdoor heat exchanger (4) are connected, the 3rd of cross valve (11) goes out to hold D to be divided into two-way, one the tunnel links to each other with stop valve (5), another road links to each other with stop valve (7), the other end of stop valve 5 and outdoor heat exchanger (4) are connected, the other end of stop valve (7) and heat exchanger (6) are connected, and the other end of heat exchanger (6) and outdoor heat exchanger (4) are connected; The water route circulation is divided into two-way by the outlet pipe of waste-heat recovery device (15) through water pump (13), and one the tunnel connects stop valve (14), and another road leads to domestic water; The water inlet pipe of the other end of stop valve (14) and heat exchanger (6) is connected, and the outlet pipe of the outlet pipe of heat exchanger (6) and flow control valve (9) is connected, and mixes the back and links to each other with the water inlet pipe of waste-heat recovery device (15).
2. mixed power gas heat pump air conditioner according to claim 1, it is characterized in that mixed power plant (1) is made up of gas engine, motor, generator and energy storage equipment etc., mixed power plant (1) dispose two kinds, that is: serial mixed power device, the parallel type hybrid dynamic device; Tandem is meant that engine fuel drives the generator unit and gives energy storage equipment and motor power supply, by the independent drive compression machine of motor; The parallel type hybrid dynamic device is that mean engine can drive separately outside the compressor, can also unite the drive compression machine with motor, and motor is drive compression machine separately also.
3. the method for operating of a mixed power gas heat pump air conditioner as claimed in claim 1, it is characterized in that doing summer the refrigeration mode operation, this moment stop valve (7,14) close, stop valve (5) is opened, mixed power plant drives compressor (2) operation, the inlet side A of cross valve (11) and the 3rd goes out to hold D logical, first goes out to hold C and second to go out to hold B logical, outdoor heat exchanger (4) becomes condenser, indoor heat exchanger (10) becomes evaporimeter, waste-heat recovery device (15) reclaims the cylinder sleeve waste heat and the smoke discharging residual heat heat hot water of the gas engine of mixed power plant (1), and domestic water is provided; Heat pump heating mode operation in winter, stop valve this moment (5) is closed, stop valve (7,14) is opened, mixed power plant (1) drives compressor (2) operation, cross valve (11) inlet side A and second go out to hold B logical, first go out to hold C and the 3rd to go out to hold D to lead to, outdoor heat exchanger (4) becomes evaporimeter, indoor heat exchanger (10) becomes condenser, the low pressure refrigerant that flows out from outdoor heat exchanger (4) by heat exchanger (6) heating after, after flowing through stop valve (7), cross valve (11) and reservoir (3), enter compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200510122835 CN1776328A (en) | 2005-12-06 | 2005-12-06 | Mixed power gas heat pump air conditioner and its operating method |
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| CN 200510122835 CN1776328A (en) | 2005-12-06 | 2005-12-06 | Mixed power gas heat pump air conditioner and its operating method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943504A (en) * | 2010-09-27 | 2011-01-12 | 江苏天舒电器有限公司 | Heat pump capillary radiant constant temperature hot-water system and control method thereof |
| CN102563970A (en) * | 2012-02-24 | 2012-07-11 | 东南大学 | Alternating-current and gas engine parallel dual-drive heat pump device |
| CN101799223B (en) * | 2010-01-28 | 2013-01-23 | 珠海博佳冷源设备有限公司 | Entire-year three-use air source heat pump unit and method for operating same |
| CN105823153A (en) * | 2016-04-07 | 2016-08-03 | 东南大学 | Hybrid air conditioning system |
| WO2016141791A1 (en) * | 2015-03-10 | 2016-09-15 | 深圳市艾特网能有限公司 | Hybrid-power refrigerating system and control method thereof |
| CN106257158A (en) * | 2016-07-29 | 2016-12-28 | 东南大学 | A kind of hybrid-power combustion-gas thermal pump water-heater system and control method thereof |
| CN107621094A (en) * | 2017-09-29 | 2018-01-23 | 中国科学院广州能源研究所 | A kind of oil gas dual-fuel cool and thermal power air-conditioning heat pump device |
| CN108104948A (en) * | 2017-12-25 | 2018-06-01 | 湖南同能机电科技有限公司 | A kind of hybrid power heat pump apparatus of air source and hybrid power heat pump apparatus of air source control method |
| CN109724285A (en) * | 2018-12-19 | 2019-05-07 | 郑州轻工业学院 | A kind of engine driven supercharging formula gas engine heat pump system |
| CN111121336A (en) * | 2019-12-19 | 2020-05-08 | 青岛索迷尔能源科技有限公司 | Double-power single-pass driving heat pump with double-clutch gearbox switching |
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2005
- 2005-12-06 CN CN 200510122835 patent/CN1776328A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799223B (en) * | 2010-01-28 | 2013-01-23 | 珠海博佳冷源设备有限公司 | Entire-year three-use air source heat pump unit and method for operating same |
| CN101943504A (en) * | 2010-09-27 | 2011-01-12 | 江苏天舒电器有限公司 | Heat pump capillary radiant constant temperature hot-water system and control method thereof |
| CN102563970A (en) * | 2012-02-24 | 2012-07-11 | 东南大学 | Alternating-current and gas engine parallel dual-drive heat pump device |
| WO2016141791A1 (en) * | 2015-03-10 | 2016-09-15 | 深圳市艾特网能有限公司 | Hybrid-power refrigerating system and control method thereof |
| CN105823153A (en) * | 2016-04-07 | 2016-08-03 | 东南大学 | Hybrid air conditioning system |
| CN106257158A (en) * | 2016-07-29 | 2016-12-28 | 东南大学 | A kind of hybrid-power combustion-gas thermal pump water-heater system and control method thereof |
| CN107621094A (en) * | 2017-09-29 | 2018-01-23 | 中国科学院广州能源研究所 | A kind of oil gas dual-fuel cool and thermal power air-conditioning heat pump device |
| CN107621094B (en) * | 2017-09-29 | 2024-03-08 | 中国科学院广州能源研究所 | Oil-gas dual-fuel cold-hot electric air conditioner heat pump device |
| CN108104948A (en) * | 2017-12-25 | 2018-06-01 | 湖南同能机电科技有限公司 | A kind of hybrid power heat pump apparatus of air source and hybrid power heat pump apparatus of air source control method |
| CN109724285A (en) * | 2018-12-19 | 2019-05-07 | 郑州轻工业学院 | A kind of engine driven supercharging formula gas engine heat pump system |
| CN111121336A (en) * | 2019-12-19 | 2020-05-08 | 青岛索迷尔能源科技有限公司 | Double-power single-pass driving heat pump with double-clutch gearbox switching |
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