CN104776634A - Double-effect absorption-type automotive air-conditioner - Google Patents

Double-effect absorption-type automotive air-conditioner Download PDF

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Publication number
CN104776634A
CN104776634A CN201510181600.7A CN201510181600A CN104776634A CN 104776634 A CN104776634 A CN 104776634A CN 201510181600 A CN201510181600 A CN 201510181600A CN 104776634 A CN104776634 A CN 104776634A
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China
Prior art keywords
generator
heat exchanger
pipeline
solution
air conditioning
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Pending
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CN201510181600.7A
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Chinese (zh)
Inventor
刘晓初
梁忠伟
周俊辉
何铨鹏
萧金瑞
廖少棚
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Guangzhou University
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Guangzhou University
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Priority to CN201510181600.7A priority Critical patent/CN104776634A/en
Publication of CN104776634A publication Critical patent/CN104776634A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B25/00Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B27/00Machines, plants or systems, using particular sources of energy
    • F25B27/002Machines, plants or systems, using particular sources of energy using solar energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Abstract

The invention relates to the field of automotive air-conditioners, in particular to a double-effect absorption-type automotive air-conditioner. The double-effect absorption-type automotive air-conditioner mainly comprises a lithium bromide absorption type refrigerating system and a semiconductor refrigerating system; the lithium bromide absorption type refrigerating system comprises an absorber, a first solution pump, a generator, a condenser and an evaporator which are connected in sequence through a pipeline to form a circulating system; the absorber is provided with a lithium bromide solution; the semiconductor refrigerating system comprises a semiconductor refrigerating module, a refrigerant circulating system and a power supply module; a cold end of the semiconductor refrigerating module supplies a cold source to the refrigerant circulating system; the power supply module supplies a power supply to the semiconductor refrigerating module; a hot end of the semiconductor refrigerating module supplies a heat source to the generator. The double-effect absorption-type automotive air-conditioner is simple in structure, environment-friendly, practical, high in refrigerating speed, high in energy efficiency rate and energy-saving.

Description

A kind of double effect absorption air conditioning for automobiles
Technical field
The present invention relates to field of automobile air conditioner, particularly relate to a kind of double effect absorption air conditioning for automobiles.
Background technology
At present, in automotive air conditioning device, what great majority adopted is compression-type refrigeration mechanism cold, in addition, also has and adopts lithium-bromide absorption-type refrigerating machine refrigeration.Compression refrigerating machine major part is all using freon as cold-producing medium, as everyone knows, freon not only can contaminated air but also have very large destruction to ozone layer, and the appearance of lithium-bromide absorption-type refrigerating machine then efficiently solves the pollution problem of compression refrigerating machine to environment.Its principle is using engine exhaust heat as thermal source, take water as cold-producing medium, take lithium bromide water solution as absorbent, replace freon compression refrigerating machine to atmosphere pollution with cold/hot water machine of lithium bromide group device, have that saving fuel oil, environmental protection, structure are simple, security of operation, steadily, simple operation and other advantages.Such as, China Patent Publication No. is disclose a kind of device utilizing automobile engine residual heat to drive the environmental protection of lithium bromide refrigerating heating and energy saving in the application for a patent for invention of CN103909807A, utilize the heat that automobile engine residual heat and engine cooling water absorb, carry out the generator that structure of modification forms refrigeration system with lithium bromide absorption, replace the refrigeration and heating of traditional air conditioning for automobiles.And for example, Chinese patent notification number is disclose a kind of lithium bromide formula air conditioning for automobiles in the utility model patent of CN202993647U, and the basis of lithium bromide formula air-conditioning utilizing engine exhaust heat proposes a kind of negative pressure device, in order to reduce the access times of vavuum pump.There is following deficiency in existing automobile refrigeration system:
1, refrigeration modes is single, there is the problems such as usefulness is low, refrigeration, heating efficiency is little, speed is slow;
2, the utilization rate of energy is not high.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide and a kind of there is two refrigeration systems intercoupled, the double effect absorption air conditioning for automobiles that refrigerating speed is fast, efficiency is high.
For achieving the above object, the present invention can be achieved by the following technical programs:
A kind of double effect absorption air conditioning for automobiles, comprise refrigeration system with lithium bromide absorption and semiconductor refrigeration system, described refrigeration system with lithium bromide absorption comprises and is in turn connected to form the absorber of the circulatory system, the first solution pump, generator, condenser and evaporimeter by pipeline, is provided with lithium-bromide solution in described absorber; Described semiconductor refrigeration system comprises semiconductor refrigerating module, coolant circulating system and supply module, the cold junction of described semiconductor refrigerating module provides low-temperature receiver for coolant circulating system, described supply module provides power supply for semiconductor refrigerating module, and described hot junction of partly leading refrigeration module provides thermal source for generator.
Further, described coolant circulating system comprises and is in turn connected to form the water tank of the circulatory system, cooling apparatus and the second solution pump by pipeline, the cold junction of described semiconductor refrigerating module is connected by the first fin with between water tank, makes the cold in semiconductor refrigerating module can pass to rapidly water in water tank.
Further, described cooling apparatus comprises air heat exchanger and blower fan, described air heat exchanger inner upper end is provided with the second fin for absorbing air heat exchanger cold, described assembling at the rear side of air heat exchanger, for refrigerant air is sent in compartment.
Further, described supply module comprises the solar-energy photo-voltaic cell square formation, anti-reverse charging diode, controller and the battery that are connected into loop.Utilize solar electrical energy generation, and then drive semiconductor refrigerating module work, without using the electric energy of automobile itself, save the energy.
Further, described refrigeration system with lithium bromide absorption also comprises solution heat exchanger, described solution heat exchanger is located on the pipeline between the first solution pump and generator, is also provided with the solution loop pipeline by solution heat exchanger between described generator and absorber.Described solution heat exchanger is used to make heat be delivered to cold fluid from hot fluid, what flowed out by generator is run through solution heat exchanger by the bromize lithium concentrated solution heated by solution loop pipeline, heat is passed to the cold bromize lithium dilute solution pumped from the first solution pump, bromizate lithium weak solution and just obtain uniform temperature before entering generator, when entering generator heating, just can save certain energy.
Further, described refrigeration system with lithium bromide absorption also comprises vavuum pump, and described vavuum pump is connected with generator, and the effect of described vavuum pump is the state making system remain vacuum.Owing to all likely producing incoagulable gas when system brings into operation or in running, the existence of incoagulable gas is by the normal work of each for influential system parts, cooling system amount can be made to decline, systemic breakdown may be made time serious, therefore lithium bromide air conditioning for automobiles only could normally run in the environment of vacuum, and being provided with vavuum pump is herein the vacuum ensureing system.Magnetic valve is provided with between described generator and vavuum pump.Its role is to, reduce by the action of magnetic valve the scope that vacuumizes thus reduce the access times of vavuum pump.
Further, the pipeline between described solution heat exchanger and generator is provided with flow speed control valve.Its role is to, the flow velocity of solution in adjustment pipeline, make the solution flowing to generator be evaporated more abundant, the steam of evaporation is more, and then refrigeration and heating efficiency is higher.
Further, the pipeline between described condenser and evaporimeter is provided with first throttle valve.Its role is to, the flow of the high pressure low temperature water as refrigerant regulating condenser to flow out, make it be easy to vaporization of expanding.
Further, the pipeline between described generator and condenser is provided with the first stop valve, is provided with the second stop valve between the input of described generator and first throttle valve.Its role is to, the refrigeration of control system, heating and stopping.
Further, the pipeline between described water tank and air heat exchanger is provided with second throttle.Its role is to, regulate cold water to enter the flow of air heat exchanger, make the distribution of cold on the second fin more fully, evenly.
The present invention compared with prior art has following beneficial effect:
1, there is refrigeration system with lithium bromide absorption and semiconductor refrigeration system simultaneously, realize dual-effect refrigeration, improve the refrigerating speed of air-conditioning system, make the Energy Efficiency Ratio of air-conditioning system higher.Wherein, employing refrigeration system with lithium bromide absorption avoids the destruction to environment; Adopt semiconductor refrigeration system not only can realize refrigeration, the more important thing is that hot junction in semiconductor refrigerating module is for driving refrigeration system with lithium bromide absorption work, combine the work characteristics of semiconductor refrigerating module and refrigeration system with lithium bromide absorption fully, make both be coupled, realize making full use of of resource.
2, adopt solar energy to provide electric energy for semiconductor refrigeration system, do not use automobile engine to provide power, can not the effective power of consumption of engine, save the energy, environment protecting is obvious.
3, the refrigeration and heating efficiency that flow speed control valve ensure that system is effectively set between solution heat exchanger and generator.
Generally speaking, structure of the present invention is simple, and environmental protection is practical, and refrigerating speed is fast, and Energy Efficiency Ratio is high, economize energy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of supply module of the present invention;
In figure: 1-absorber, 2-first solution pump, 3-solution heat exchanger, 4-flow speed control valve, 5-second solution pump, 6-water tank, 7-first fin, 8-semiconductor refrigerating module, 9-generator, 10-magnetic valve, 11-vavuum pump, 12-second throttle, 13-first stop valve, 14-condenser, 15-blower fan, 16-second fin, 17-air heat exchanger, 18-first throttle valve, 19-evaporimeter, 20-solar-energy photo-voltaic cell square formation, 21-anti-reverse charging diode, 22-controller, 23-battery, 24-second stop valve, 25-pipeline, 26-solution loop pipeline.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is further illustrated:
As shown in Figure 1, double effect absorption air conditioning for automobiles of the present invention, mainly comprises two refrigeration systems, is refrigeration system with lithium bromide absorption and semiconductor refrigeration system respectively.Wherein, refrigeration system with lithium bromide absorption comprises absorber 1, first solution pump 2, solution heat exchanger 3, generator 9, condenser 14, the evaporimeter 19 that are in turn connected to form the circulatory system by pipeline 25, is provided with bromize lithium dilute solution in absorber 1.Solution heat exchanger 3 is located on the pipeline 25 between the first solution pump 2 and generator 9, is also provided with the solution loop pipeline 26 by solution heat exchanger 3 between generator 9 and absorber 1.Vavuum pump 11 is connected with generator 9, is provided with magnetic valve 10 between generator 9 and vavuum pump 11.Pipeline 25 between solution heat exchanger 3 and generator 9 is provided with flow speed control valve 4, pipeline 25 between condenser 14 and evaporimeter 19 is provided with first throttle valve 18, pipeline 25 between generator 9 and condenser 14 is provided with the first stop valve 13, is provided with the second stop valve 24 between the input of generator 9 and first throttle valve 18.
As shown in Figure 1, semiconductor refrigeration system comprises semiconductor refrigerating module 8, coolant circulating system and supply module, the cold junction of semiconductor refrigerating module 8 provides low-temperature receiver for coolant circulating system, supply module provides power supply for semiconductor refrigerating module 8, and the hot junction of partly leading refrigeration module 8 provides thermal source for generator 9.Coolant circulating system comprises and is in turn connected to form the water tank 6 of the circulatory system, cooling apparatus and the second solution pump 5 by pipeline 25, and the cold junction of semiconductor refrigerating module 8 is connected by the first fin 7 with between water tank 6.Cooling apparatus comprises air heat exchanger 17 and blower fan 15, and air heat exchanger 17 inner upper end is provided with the second fin 16 for absorbing air heat exchanger 17 cold, and blower fan 15 is arranged on the rear side of air heat exchanger 17.Pipeline 25 between water tank 6 and air heat exchanger 17 is provided with second throttle 12.
As shown in Figure 2, the supply module of semiconductor refrigeration system comprises the solar-energy photo-voltaic cell square formation 20, anti-reverse charging diode 21, controller 22 and the battery 23 that are connected into loop.Utilize solar electrical energy generation, and then drive semiconductor refrigerating module 8 to work, without using the electric energy of automobile itself, save the energy.
Operation principle of the present invention:
After bromize lithium dilute solution in absorber 1 is pressurizeed by the first solution pump 2, generator 9 is entered after solution heat exchanger 3 heats up, in generator 9, bromize lithium dilute solution is raised until boiling by semiconductor refrigerating module 8 hot junction heating-up temperature, and the water in solution is constantly vaporized, and produces refrigerant vapor.Lithium bromide water solution concentration in generator 9 constantly raises and becomes concentrated solution, and refrigerant vapor enters condenser 14, the water as refrigerant of high pressure low temperature is condensed into after the water for cooling be condensed in device 14, rapid expansion when first throttle valve 18 enters evaporimeter 19 and vaporizing, and absorbed by absorber 1 absorb the heat of chilled water in evaporimeter 19 in a large number in vaporescence after, thus reach the object of cooling refrigeration, form the first refrigerating circuit.Meanwhile, the water of water tank 6 is freezed by the first fin 7 by the cold junction of semiconductor refrigerating module 8, the chilled water forming high pressure low temperature after second throttle is pressurized enters air heat exchanger 17, finally by the cold air in blower fan 15 blow out air heat exchanger 17, forms the second refrigerating circuit.In the second refrigerating circuit, after the chilled water in air heat exchanger 17 is pressurizeed by the second solution pump 5 in reflow tank 6, so form continuous circulation.In addition, in solution loop pipeline 26 between generator 9 and absorber 1, solution heat exchanger 3 is run through by solution loop pipeline 26 by the bromize lithium concentrated solution flowed out in generator 9, absorber 1 is entered after being reduced temperature by solution heat exchanger 3 heat release, mix mutually with the bromize lithium dilute solution in absorber 1, absorb the low pressure refrigerant vapour of flash-pot 19, the mesolow of evaporimeter 19 is maintained, thus reaches the object of the first loop continuous cooling.
For a person skilled in the art, according to above technical scheme and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection domain of the claims in the present invention.

Claims (10)

1. a double effect absorption air conditioning for automobiles, it is characterized in that: comprise refrigeration system with lithium bromide absorption and semiconductor refrigeration system, described refrigeration system with lithium bromide absorption comprises and is in turn connected to form the absorber of the circulatory system, the first solution pump, generator, condenser and evaporimeter by pipeline, is provided with lithium-bromide solution in described absorber; Described semiconductor refrigeration system comprises semiconductor refrigerating module, coolant circulating system and supply module, the cold junction of described semiconductor refrigerating module provides low-temperature receiver for coolant circulating system, described supply module provides power supply for semiconductor refrigerating module, and described hot junction of partly leading refrigeration module provides thermal source for generator.
2. double effect absorption air conditioning for automobiles according to claim 1, it is characterized in that: described coolant circulating system comprises and is in turn connected to form the water tank of the circulatory system, cooling apparatus and the second solution pump by pipeline, and the cold junction of described semiconductor refrigerating module is connected by the first fin with between water tank.
3. double effect absorption air conditioning for automobiles according to claim 2, it is characterized in that: described cooling apparatus comprises air heat exchanger and blower fan, described air heat exchanger inner upper end is provided with the second fin for absorbing air heat exchanger cold, and described assembling is at the rear side of air heat exchanger.
4. double effect absorption air conditioning for automobiles according to claim 1, is characterized in that: described supply module comprises the solar-energy photo-voltaic cell square formation, anti-reverse charging diode, controller and the battery that are connected into loop.
5. double effect absorption air conditioning for automobiles according to claim 1, it is characterized in that: described refrigeration system with lithium bromide absorption also comprises solution heat exchanger, described solution heat exchanger is located on the pipeline between the first solution pump and generator, is also provided with the solution loop pipeline by solution heat exchanger between described generator and absorber.
6. double effect absorption air conditioning for automobiles according to claim 1, it is characterized in that: described refrigeration system with lithium bromide absorption also comprises vavuum pump, described vavuum pump is connected with generator, is provided with magnetic valve between described generator and vavuum pump.
7. double effect absorption air conditioning for automobiles according to claim 1, is characterized in that: the pipeline between described solution heat exchanger and generator is provided with flow speed control valve.
8. double effect absorption air conditioning for automobiles according to claim 1, is characterized in that: the pipeline between described condenser and evaporimeter is provided with first throttle valve.
9. double effect absorption air conditioning for automobiles according to claim 8, is characterized in that: the pipeline between described generator and condenser is provided with the first stop valve, is provided with the second stop valve between the input of described generator and first throttle valve.
10. double effect absorption air conditioning for automobiles according to claim 3, is characterized in that: the pipeline between described water tank and air heat exchanger is provided with second throttle.
CN201510181600.7A 2015-04-16 2015-04-16 Double-effect absorption-type automotive air-conditioner Pending CN104776634A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108895589A (en) * 2018-08-20 2018-11-27 珠海格力电器股份有限公司 A kind of air cooler refrigeration system and air cooler
CN113895263A (en) * 2021-10-14 2022-01-07 浙江水利水电学院 Electric automobile fills electric pile cooling system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04203857A (en) * 1990-11-30 1992-07-24 Ebara Corp Absorption refrigerating machine
JPH1183232A (en) * 1997-09-03 1999-03-26 Nkk Corp Combined absorption refrigerating equipment
CN1292332A (en) * 1999-10-10 2001-04-25 应翀 Lithium bromide absorption refrigerating equipment for car
CN201837006U (en) * 2010-09-28 2011-05-18 电子科技大学中山学院 Energy-saving environment-friendly air conditioner
CN102620469A (en) * 2011-01-28 2012-08-01 魏文才 Heat pump type lithium bromide exchanging machine
CN202993647U (en) * 2012-12-24 2013-06-12 河北农业大学 Lithium bromide type air conditioner of automobile
CN203823981U (en) * 2014-05-09 2014-09-10 韶山星际电气有限公司 Semiconductor air conditioner for new energy automobile
CN204593941U (en) * 2015-04-16 2015-08-26 广州大学 A kind of double effect absorption air conditioning for automobiles

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04203857A (en) * 1990-11-30 1992-07-24 Ebara Corp Absorption refrigerating machine
JPH1183232A (en) * 1997-09-03 1999-03-26 Nkk Corp Combined absorption refrigerating equipment
CN1292332A (en) * 1999-10-10 2001-04-25 应翀 Lithium bromide absorption refrigerating equipment for car
CN201837006U (en) * 2010-09-28 2011-05-18 电子科技大学中山学院 Energy-saving environment-friendly air conditioner
CN102620469A (en) * 2011-01-28 2012-08-01 魏文才 Heat pump type lithium bromide exchanging machine
CN202993647U (en) * 2012-12-24 2013-06-12 河北农业大学 Lithium bromide type air conditioner of automobile
CN203823981U (en) * 2014-05-09 2014-09-10 韶山星际电气有限公司 Semiconductor air conditioner for new energy automobile
CN204593941U (en) * 2015-04-16 2015-08-26 广州大学 A kind of double effect absorption air conditioning for automobiles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108895589A (en) * 2018-08-20 2018-11-27 珠海格力电器股份有限公司 A kind of air cooler refrigeration system and air cooler
CN113895263A (en) * 2021-10-14 2022-01-07 浙江水利水电学院 Electric automobile fills electric pile cooling system

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