CN102589197A - Generator and method for generating a voltage - Google Patents

Generator and method for generating a voltage Download PDF

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Publication number
CN102589197A
CN102589197A CN2011100646087A CN201110064608A CN102589197A CN 102589197 A CN102589197 A CN 102589197A CN 2011100646087 A CN2011100646087 A CN 2011100646087A CN 201110064608 A CN201110064608 A CN 201110064608A CN 102589197 A CN102589197 A CN 102589197A
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Prior art keywords
working fluid
generator
tank
nozzle
heat
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CN2011100646087A
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CN102589197B (en
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戴昌贤
苗志铭
何明辉
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National Pingtung University of Science and Technology
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National Pingtung University of Science and Technology
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    • 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
    • F25B33/00Boilers; Analysers; Rectifiers

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Abstract

The invention relates to the technical field of refrigeration equipment, and particularly discloses a generator, which comprises: a liquid storage tank, which is internally provided with an accommodating space; a high temperature element arranged on one side surface of the liquid storage tank; the jet flow unit is provided with a containing groove, a liquid injection pipe, a nozzle and a vibration element, and the containing groove is arranged in the containing space of the liquid storage tank to contain working fluid; one end of the liquid injection pipe is communicated with one surface of the containing groove; the nozzle is arranged on the other surface of the containing groove and is opposite to the high-temperature element; the oscillating element is arranged in the containing groove to oscillate the working fluid in the containing groove, so that the pressure of the working fluid is changed to flow to the nozzle and is sprayed on the high-temperature element. The spray unit is arranged to directly spray the water-mist working fluid on the high-temperature element, so that the evaporation efficiency of the refrigerant in the working fluid is improved, the circulation efficiency of the absorption refrigeration system is synchronously improved, and the energy-saving effect can be achieved.

Description

Generator
Technical field
The present invention relates to technical field of refrigeration equipment, relate in particular to a kind of generator, particularly a kind of generator that is installed in the absorption system, and this generator can promote the evaporation efficiency of refrigerant.
Background technology
Prior art is please with reference to shown in Figure 1; General common absorption system 9 includes a generator 91 (generator), a condenser 92 (condenser), an evaporimeter 93 (evaporator) and an absorber 94 (absorber) haply, and this generator 91, condenser 92, evaporimeter 93 and absorber 94 utilize several circulation pipe 95 serial connections and form a loop.
This generator 91 comprises a reservoir 911 and a thermal source 912, has been installed in working fluid in this reservoir 911, and this thermal source 912 can provide heat energy to this reservoir 911, flows in the absorbent in the working fluid with evaporation.Wherein, thermal source 912 is divided into direct heating and two kinds of kenels of non-direct heating; Directly add heat utilization natural gas or combustion oil and directly calorify generator 91, non-direct heating then is to utilize thermal source 912 to heat another media earlier again heat to be passed to generator 91.
In addition, common working fluid mainly contains ammoniacal liquor with two kinds of binary solutions of lithium-bromide solution at present, utilizes binary solution to reach the circulating cooling effect through a kind of material to the absorption of another kind of material and the characteristic of release generation phase change.Wherein, ammoniacal liquor is the solution that ammonia mixes with water, is refrigerant with ammonia, and water is absorbent, its chilling temperature Yue Keda-20 ℃, is usually used in large-scale refrigerator; Lithium-bromide solution is the solution that lithium bromide mixes with water then, is refrigerant with water, and lithium bromide is an absorbent, and 18 ℃ of its chilling temperature Yue Keda are so more often be applied in the air-conditioning system.Below be the operation principle that working fluid is explained existing absorption system 9 with the lithium-bromide solution.
The reservoir 911 of 912 pairs of these generators 91 of thermal source provides heat energy; Lithium-bromide solution temperature in this reservoir 911 is risen; And evaporating the steam of HTHP, this high-temperature high-pressure steam then enters in the condenser 92 through one first circulation pipe 951, and warm aqueous water in condensing into.Warm aqueous water enters in the evaporimeter 93 through one second circulation pipe 952 in being somebody's turn to do; And cooling becomes low temperature liquid water; Make the step-down of low temperature liquid water through an expansion valve 931 again; And be injected in one the 3rd circulation pipe 953 to form the steam of low-temp low-pressure, because this absorber 94 is the low-pressure states that are vacuum or nearly vacuum, so low-pressure vapor will be through the 3rd circulation pipe 953 and this absorber 94 of automatic stream; Utilize vaporizing liquid need absorb the physical property of heat, the heat in the absorbing external and reach cooling effect.
Steam after the expansion will mix with the lithium-bromide solution of normal temperature in this absorber 94, to dilute original lithium-bromide solution in this absorber 94.The lithium-bromide solution that in this absorber 94, diluted; Be connected in this generator 91 through one the 4th circulation pipe 954 and be heated evaporation again; Improve the lithium-bromide solution of concentration because of water evaporates; Then flow back in this absorber 94 through one the 5th circulation pipe 955 again, make the lithium-bromide solution of high concentration and low concentration, ceaselessly circulation in this generator 91 and absorber 94.Wherein, This absorption system 9 can also be provided with a cooling device 96; Circulation has cooling water in this cooling device 96, and this cooling device 96 is provided with through this absorber 94 and condenser 92, can be not too high and influence cooling effect to keep fluid temperature in this absorber 94 and the condenser 92.
From the above, in the circulation of this existing absorption system 9, be to come work done, and circulating cooling efficient is directly proportional with the evaporation efficiency of lithium-bromide solution in this generator 91 with the heat energy that this generator 91 absorbs.But, since should existing absorption system 9 through lithium-bromide solution in this generator 91 of heating, bromizates lithium solution and heat up, and then produce phase change being transformed into steam, so evaporation efficiency is not high; Relatively, if desire improves the evaporation efficiency of this generator 91, only can thermal source 912 input more energy be made thermal source 912 maintain the condition of high temperature, but can extraly derive the problem of power consumption mostly.
Prior art
Figure BSA00000453246500042
Figure BSA00000453246500051
Summary of the invention
Main purpose of the present invention provides a kind of generator, can promote the evaporation efficiency of refrigerant, to promote the cycle efficieny of absorption system.
For reaching aforementioned goal of the invention, the technical scheme that the present invention used is:
A kind of generator comprises: a reservoir, inside have an accommodation space; High-temperature components are arranged at a side surface of this reservoir; And a jet, being provided with a tank, liquid injection pipe, a nozzle and a concussion element, this tank is arranged in the accommodation space of this reservoir to be installed in working fluid; This liquid injection pipe one end is connected with a surface of this tank; This nozzle is arranged at another surface and relative with these high-temperature components of this tank; This concussion element is arranged at this tank, to shake the working fluid in this tank, the pressure of working fluid is changed and flows to this nozzle place, and be sprayed on these high-temperature components.
Generator of the present invention is directly the working fluid of water smoke shape to be sprayed on the high-temperature components through a jet is set, and has improved the evaporation efficiency of refrigerant in the working fluid, also promotes the cycle efficieny of absorption system synchronously.On the other hand, because the evaporation efficiency of refrigerant promotes in the working fluid, the energy that therefore is supplied in these high-temperature components can reduce relatively, reaches effect of saving energy.
Description of drawings
Fig. 1: a kind of sketch map of existing absorption system.
Fig. 2: the sketch map of preferred embodiment of the present invention.
Fig. 3: the present invention is applied to the sketch map of absorption system.
Fig. 4: the sketch map of electric vehicle motor cooling system.
Fig. 5: the sketch map of preferred embodiment of the present invention and the coupling of electric vehicle motor cooling system.
The main element symbol description:
The present invention
Figure BSA00000453246500041
The specific embodiment
For letting above-mentioned and other purposes, characteristic and the advantage of the present invention can be more obviously understandable, hereinafter is special lifts preferred embodiment of the present invention, and conjunction with figs., elaborates as follows:
Please with reference to Fig. 2, disclose the sketch map of generator preferred embodiment of the present invention, in the middle of present embodiment, this generator 1 comprises a reservoir 11, a high-temperature components 12 and a jet 13.These high-temperature components 12 respectively are arranged at this reservoir 11 with jet 13, and this jet 13 can be to these high-temperature components 12 spraying liquids.
This reservoir 11 has an accommodation space 111; One side surface of these reservoir 11 bottoms or adjacent bottom; Can be provided with a return duct 112, an end of this return duct 112 is connected with this accommodation space 111, and the other end then is connected with an absorber 4 (please with reference to Fig. 3); Between this generator 1 and the absorber 4, the working fluid 5 that flows and have circulating cooling to use, and this working fluid 5 just is divided into low concentration working fluid 5a and high concentration working fluid 5b according to concentration.One side surface of these reservoir 11 tops or adjacent top can be provided with one first circulation pipe 113, and an end of this first circulation pipe 113 is connected with this accommodation space 111, and the other end then is connected with a condenser 2 (please with reference to Fig. 3).
These high-temperature components 12 can be arranged at a side surface at contiguous these reservoir 11 tops; In the present embodiment; These high-temperature components 12 can also combine a conducting piece 121; This conducting piece 121 is located in this accommodation space 111 together with high-temperature components 12, and this conducting piece 121 can absorb the heat energy of these high-temperature components 12 and keep the condition of high temperature.
This jet 13 comprises a tank 131, liquid injection pipe 132, a nozzle 133 and a concussion element 134.This tank 131 is arranged in the accommodation space 111 of this reservoir 11, and this tank 131 can be installed in low concentration working fluid 5a.One end of this liquid injection pipe 132 is connected with a surface of this tank 131, and the other end then is communicated to this absorber 4 (please with reference to Fig. 3) bottom.This nozzle 133 can be arranged at another surface of this tank 131, and this nozzle 133 is relative with the conducting piece 121 of these high-temperature components 12.This concussion element 134 is arranged at this tank 131; Make this jet 13 can be by the mode of high frequency oscillation; Shake the low concentration working fluid 5a in this tank 131; Thereby control the pressure state of this low concentration working fluid 5a, the low concentration working fluid 5a in this tank 131 can periodically be flowed towards these nozzle 133 places and be sprayed on the conducting piece 121 of high temperature.
In the present embodiment, this concussion element 134 can be a piezoelectric membrane, by this piezoelectric membrane is switched on; Make this piezoelectric membrane produce vibration; Thereby the low concentration working fluid 5a that drives in this tank 131 sprays from this nozzle 133, and by the mode of FREQUENCY CONTROL, switches the powered-on mode to this piezoelectric membrane; Make this nozzle 133 can be intermittent to these conducting piece 121 spraying liquids, the jet flow of avoiding continuing reduces heat conduction efficiency.
Please with reference to Fig. 3, overall absorption formula refrigeration system comprises a generator 1, condenser 2, an evaporimeter 3 and an absorber 4.This generator 1 is connected with this condenser 2 with one first circulation pipe 113; This condenser 2 is connected with this evaporimeter 3 through one second circulation pipe 21; This evaporimeter 3 is connected with this absorber 4 through one the 3rd circulation pipe 31; And contiguous these evaporimeter 3 places are provided with an expansion valve 32 in the 3rd circulation pipe 31, and 4 of this absorbers are connected with the tank 131 of this generator 1 with a liquid injection pipe 132, and interlink with the reservoir 11 of a return duct 112 and this generator 1.Wherein, this return duct 112 can partly be arranged in this liquid injection pipe 132 and not be connected, to carry out heat exchange with the liquid that riddles in this liquid injection pipe 132.
Enter to the low concentration working fluid 5a in this tank 131 by this liquid injection pipe 132; Can be through these concussion element 134 effects; Be sprayed on through this nozzle 133 in the accommodation space 111 of this reservoir 11; The low concentration working fluid 5a of a part of water smoke shape is contacted with the conducting piece 121 of these high-temperature components 12; And the refrigerant among the flash evapn low concentration working fluid 5a makes the HTHP gaseous refrigerant after the evaporation flow out these generators 1 through this first circulation pipe 113, and enters in the condenser 2 and warm liquid cryogen in condensing into; The unevaporated working fluid 5 of another part then flows downward with liquid state and accumulates in accommodation space 111 bottoms of this reservoir 11, forms high concentration working fluid 5b, and is back in this absorber 4 via this return duct 112.
Middle temperature liquid cryogen in this condenser 2 enters in this evaporimeter 3 through this second circulation pipe 21; And cooling becomes low temperature liquid refrigerant; Make the step-down of low temperature liquid refrigerant through this expansion valve 32 again, and be injected in the 3rd circulation pipe 31, to form the gaseous refrigerant of low-temp low-pressure.Because this absorber 4 is the low-pressure states that are vacuum or nearly vacuum, so this low-temp low-pressure gaseous refrigerant will pass through the 3rd circulation pipe 31 and this absorber 4 of automatic stream, the heat in the absorbing external and reach cooling effect.
Cryogenic gaseous refrigerant after the expansion will mix with the working fluid 5 of normal temperature in this absorber 4, be back to the high concentration working fluid 5b in this absorber 4 with dilution; Dilution reduces the working fluid 5 of concentration later, can enter to once more in this tank 131 through this liquid injection pipe 132 to utilize again, makes ceaselessly circulation in this generator 1 and absorber 4 of high and low concentration working fluid 5a, 5b.
Wherein, Be arranged in this liquid injection pipe 132 and the configuration that is not connected by return duct 112 part; The high concentration working fluid 5b that can make high temperature can conduct to partial heat energy in this liquid injection pipe 132 when refluxing through this return duct 112, injects the low concentration working fluid 5a of this tank 131 through this liquid injection pipe 132 with preheating; Low concentration working fluid 5a is heated up, further promote the evaporation efficiency after low concentration working fluid 5a is sprayed to these high-temperature components 12.
Generator of the present invention is through impacting the technological means of cooling (Impingement Cooling); Directly the working fluid 5 with the water smoke shape is sprayed on this high-temperature components 12; Improve the evaporation efficiency of refrigerant in the working fluid 5, with the cycle efficieny of synchronous lifting absorption system.On the other hand, because the evaporation efficiency of refrigerant promotes in the working fluid 5, the energy that therefore is supplied in these high-temperature components 12 can reduce relatively, reaches effect of saving energy.
Generator of the present invention can be applied in the various equipment with absorption system refrigeration, and the used heat that these high-temperature components 12 can also further utilize the other system running of this equipment the time to be discharged is heated, and to make full use of energy, avoids energy waste.Below be to propose explanation with the use-case that makes that is applied to electric motor car, it is the refrigeration system of coupling electric motor car and the cooling system of electric vehicle motor.
Please with reference to Fig. 4, make use-case for one of the present invention.Be to strengthen the used heat collection efficiency to electric vehicle motor cooling system 6, this motor cooling system 6 comprises a casing 61, fan 62, a heat storage medium 63 and a heat conducting element 64.Be provided with the necessary member that motors such as stator and rotor are formed in this casing 61; This fan 62 is provided with this rotor coaxial, and makes the blade of this fan 62 protrude from this casing 61 1 sides; This heat storage medium 63 is arranged at another side of this casing 61, and the made from porous material (for example: foaming aluminium, pottery etc.) of this heat storage medium 63 for having heat storage capacity is to keep airflow in accumulation of heat; 64 of this heat conducting elements are arranged at this heat storage medium 63 surface of this casing 61 dorsad, and the metal material that this heat conducting element 64 can be a high thermoconductivity (for example: copper).
During these fan 62 rotations; The outside Cryogenic air of casing 61 will be guided and enter in this casing 61, and the high temperature waste hot that is produced during with this casing 61 inner members running is directed to this heat storage medium 63 places, by this heat storage medium 63 used heat accumulated; And through the inner said minuscule hole of this heat storage medium 63; Make minority hot gas to these casing 61 outside discharges, and most thermal currents is to this heat conducting element 64, so that this heat conducting element 64 is heated.In the present embodiment, this heat conducting element 64 and the surface that this heat storage medium 63 contacts can also be provided with indentation increasing its contact area, thereby promote the heat absorption efficiency of this heat conducting element 64 further.
Please with reference to Fig. 5, this motor cooling system 6 can be engaged in the generator 1 of refrigeration system, carries out the required thermal source of vaporization cycle as this generator 1.In the present embodiment; The heat conducting element 64 of this motor cooling system 6 can be engaged in the high-temperature components 12 of this generator 1, and the used heat that motor operation is produced can be concentrated to this high-temperature components 12; Provide this generator 1 work done required heat energy, to accomplish the effect that circulates and reach refrigeration.Therefore, the action of this electric motor car refrigeration system, the electric energy of additive decrementation electric motor car more hardly; Make other system can have the more energy quota, to strengthen its operating efficiency, so this refrigeration system of coupling and this motor cooling system 6; Not only can help the volume that dwindles integral electric car power-equipment, take the space thereby strengthen in the efficient of room for promotion utilization under the confined space; Effect energy-conservation and lifting power is more arranged; And during this refrigeration system start, can not increase the burden of power source, have the effect that does not influence the other system operating efficiency.
In addition, this refrigeration system still can produce system's (for example: battery pack, generator or current transformer etc.) coupling of heat energy with other, to make full use of used heat, should be only not exceed with the coupling of motor cooling system, and this is that this person skilled can be understood.
Though the present invention has utilized above-mentioned preferred embodiment to disclose; Right its is not in order to limit the present invention; Person skilled is not breaking away within the spirit and scope of the present invention under any the present invention; Relatively the foregoing description carries out various changes and revises the technological category that still belongs to the present invention and protected, so protection scope of the present invention is when looking being as the criterion that claims define.

Claims (7)

1. a generator is characterized in that, comprises:
A reservoir, inside has an accommodation space;
High-temperature components are arranged at a side surface of this reservoir; And
A jet is provided with a tank, liquid injection pipe, a nozzle and a concussion element, and this tank is arranged in the accommodation space of this reservoir to be installed in working fluid; This liquid injection pipe one end is connected with a surface of this tank; This nozzle is arranged at another surface and relative with these high-temperature components of this tank; This concussion element is arranged at this tank, to shake the working fluid in this tank, the pressure of working fluid is changed and flows to this nozzle place, and be sprayed on these high-temperature components.
2. generator as claimed in claim 1 is characterized in that, these high-temperature components are provided with a conducting piece, and this conducting piece is located in the accommodation space of this reservoir.
3. according to claim 1 or claim 2 generator is characterized in that this concussion element is a piezoelectric membrane.
4. according to claim 1 or claim 2 generator is characterized in that, these high-temperature components combine a cooling system.
5. generator as claimed in claim 4 is characterized in that, this cooling system is provided with a heat conducting element, and this heat conducting element combines with these high-temperature components.
6. generator as claimed in claim 5 is characterized in that, a surface of this heat conducting element is provided with heat storage medium, and this heat storage medium is a made from porous material.
7. generator as claimed in claim 6 is characterized in that, the surperficial indentation that this heat conducting element contacts with this heat storage medium is to increase heat transfer area.
CN201110064608.7A 2011-01-11 2011-03-17 Generator and method for generating a voltage Expired - Fee Related CN102589197B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11181323B2 (en) 2019-02-21 2021-11-23 Qualcomm Incorporated Heat-dissipating device with interfacial enhancements

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Publication number Priority date Publication date Assignee Title
CN1128561A (en) * 1993-06-15 1996-08-07 菲利普工程公司 Generator-absorber-heat exchange heat transfer apparatus and method and use thereof in a heat pump
CN101634292A (en) * 2009-08-10 2010-01-27 胡军 Piezoelectric ceramic pump used for electronic product and CPU cooling system
WO2010063074A1 (en) * 2008-12-03 2010-06-10 Andrews Power Asia Pacific Limited Cooling method and apparatus
TW201038894A (en) * 2009-04-29 2010-11-01 Microjet Technology Co Ltd Cooling and recycling system with spouting unit

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US3745780A (en) * 1970-03-18 1973-07-17 Carrier Corp Absorption refrigeration system
US4341088A (en) * 1980-06-11 1982-07-27 Mei Viung C Highway vehicle exhaust gas refrigeration system
TWI251658B (en) * 2004-12-16 2006-03-21 Ind Tech Res Inst Ultrasonic atomizing cooling apparatus
RU2395335C2 (en) * 2005-02-03 2010-07-27 Амминекс А/С Storage of high-content ammonia

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1128561A (en) * 1993-06-15 1996-08-07 菲利普工程公司 Generator-absorber-heat exchange heat transfer apparatus and method and use thereof in a heat pump
WO2010063074A1 (en) * 2008-12-03 2010-06-10 Andrews Power Asia Pacific Limited Cooling method and apparatus
TW201038894A (en) * 2009-04-29 2010-11-01 Microjet Technology Co Ltd Cooling and recycling system with spouting unit
CN101634292A (en) * 2009-08-10 2010-01-27 胡军 Piezoelectric ceramic pump used for electronic product and CPU cooling system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11181323B2 (en) 2019-02-21 2021-11-23 Qualcomm Incorporated Heat-dissipating device with interfacial enhancements

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CN102589197B (en) 2014-04-30
US20120174616A1 (en) 2012-07-12
TW201229445A (en) 2012-07-16
TWI403683B (en) 2013-08-01

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