CN101319808A - Solar semiconductor water cooling air conditioning system using soil to execute heat exchange - Google Patents

Solar semiconductor water cooling air conditioning system using soil to execute heat exchange Download PDF

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Publication number
CN101319808A
CN101319808A CNA2008101161518A CN200810116151A CN101319808A CN 101319808 A CN101319808 A CN 101319808A CN A2008101161518 A CNA2008101161518 A CN A2008101161518A CN 200810116151 A CN200810116151 A CN 200810116151A CN 101319808 A CN101319808 A CN 101319808A
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China
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water
semiconductor
cooling air
conditioner
water cooling
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CNA2008101161518A
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Chinese (zh)
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徐立珍
李彦
黄琪薇
陈昌和
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Tsinghua University
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Tsinghua University
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Priority to CNA2008101161518A priority Critical patent/CN101319808A/en
Publication of CN101319808A publication Critical patent/CN101319808A/en
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Abstract

The invention relates to a solar energy semiconductor water-cooling air conditioning system which utilizes soil to exchange heat. The air conditioning system can provide comfortable temperature needed by human body by refrigerating/heating small indoor space. The system comprises a solar energy optical-electrical converter, a controller, an accumulator, a semiconductor water-cooling air conditioner and a soil heat exchanger. The semiconductor water-cooling air conditioner comprises a fan, an intake pipe, an outlet pipe, a water-cooling trough, a ribbed radiator and a semiconductor thermopile. By using the direct current provided by the solar energy accumulator, the heat produced when the semiconductor thermopile is refrigerating or the cool produced when the semiconductor thermopile is heating is discharged by circulating water. The soil heat exchanger provides the circulating water for the heating end/refrigerating end when the semiconductor is refrigerating/heating. The air conditioning system has high work efficiency, can heat/cool small indoor space (the unopened workplace which can accommodate one to three people such as sentry box and so on), and can adjust the indoor temperature between 16 DEG C and 26 DEG C in summer and between 15 DEG C and 24 DEG C in winter.

Description

A kind of solar semiconductor water cooling air conditioning system that utilizes soil to execute heat exchange
Technical field
The present invention relates to a kind of air-conditioning system, it is to utilize semiconductor thermoelectric module to carry out refrigerating/heating after converting solar energy to electric energy, the heat/cold that produces is taken away by the recirculated water near constant temperature that ground heat exchanger provides, realize that indoor temperature keeps a kind of solar semiconductor water cooling air conditioning system that utilizes soil to execute heat exchange of human comfort, belong to solar refrigeration and heat technical field, also belong to new forms of energy or field of renewable energy technology.
Background technology
Along with the continuous increase of primary energy consumption amount and the scarcity day by day of fossil energy, the development of new forms of energy, regenerative resource obtains people's attention day by day.Late 1990s begins the global CFCs of banning use of material, is background with energy-conservation urgency and environmental protection urgency, and the infiltration and the promotion of new material and other correlation techniques are for thermoelectric air-conditioning provides new opportunity to develop and power.Thermoelectric air-conditioning can effectively be controlled the temperature that is conditioned the room, satisfies the requirement of room cooling and warming, and does not have compressor and cold-producing medium, have control convenient, reliable, can belong to complete environmental type air-conditioning according to the loading condition flexible configuration.China utility model patent CN200961920 discloses a kind of thermoelectric air-conditioning unit and has had the thermoelectric airconditioner of this thermoelectricity air-conditioning unit, thermoelectric air-conditioning unit is provided with thermoelectric components and heat exchanger, with heat-conducting water box heat radiation, improve thermoelectric air-conditioning unit and use the Energy Efficiency Ratio of the thermoelectric airconditioner of this thermoelectricity air-conditioning unit.China utility model patent CN2478007 discloses a kind of solar air and has regulated machine, employing semiconductor cooler refrigeration, utilize the solar opto-electronic board direct current to power to the semiconductor refrigerating piece, also dispel the heat by recirculated water, in actual use, because the heat flow density of thermoelectric unit is big, recirculated water heats up very fast, and working time length is reduced with behind efficiency.Chinese invention patent CN1587868A discloses a kind of solar energy semiconductor air conditioning system, and structure is simpler than water-cooled, but efficient is lower.
Summary of the invention
The purpose of this invention is to provide a kind of solar semiconductor water cooling air conditioning system that utilizes soil to execute heat exchange, this air-conditioning can be the small-sized interior space (the non-open type workplace that holds 1 to 3 people as sentry box etc.) cooling and warming, summer, the room conditioning temperature was between 16~26 ℃, and winter, the room conditioning temperature was adjustable between 15~24 ℃.
Technical scheme of the present invention is as follows:
A kind of solar semiconductor water cooling air conditioning system that utilizes soil to execute heat exchange, comprise solar photoelectric converter 1, controller 4, battery 5, semiconductor water cooling air-conditioner 3, described semiconductor water cooling air-conditioner contains fan, water-cooling groove 12, semiconductor water cooling air-conditioner water inlet pipe 6, semiconductor water cooling air-conditioner outlet pipe 7, fin radiator 10 and semiconductor thermoelectric module 15, semiconductor water cooling air-conditioner water inlet pipe links to each other with the import 13 of water-cooling groove and the outlet 14 of water-cooling groove respectively with semiconductor water cooling air-conditioner outlet pipe, it is characterized in that: this solar semiconductor water cooling air conditioning system also contains and is arranged on underground ground heat exchanger 8 and water circulating pump 9, the water inlet of described ground heat exchanger links to each other with semiconductor water cooling air-conditioner outlet pipe, the delivery port of ground heat exchanger links to each other with semiconductor water cooling air-conditioner water inlet pipe, and described water circulating pump is arranged on semiconductor water cooling air-conditioner water inlet pipe or the semiconductor water cooling air-conditioner outlet pipe; The water that the cold junction in the hot junction when semiconductor thermoelectric module freezes/when heating flows out enters water-cooling groove through the ground heat exchanger heat exchange by water pump lifting, is gone into the soil heat exchanger and circulates by semiconductor heating/cooling is laggard in water-cooling groove.
Technical characterictic of the present invention also is: described water-cooling groove 12, fin radiator and semiconductor thermoelectric module are divided equally two row's arrangements, and symmetric arrangement, are followed successively by water-cooling groove 12, semiconductor thermoelectric module 15 and fin radiator 10 from outside to inside; The hot junction in semiconductor thermoelectric module when refrigeration or the cold junction when heating contact with water-cooling groove, cold junction during refrigeration or the hot junction when heating contact with fin radiator, contact-making surface is coated with heat-conducting silicone grease, is filled with insulation cotton 11 in the space between fin radiator and water-cooling groove.
The present invention compared with prior art has the following advantages and the high-lighting effect: a kind of semiconductor water cooling air conditioning system energy-conserving and environment-protective that utilize soil to execute heat exchange provided by the present invention, for ease of maintenaince.Provide power supply by solar energy, do not need external power supply, be particularly suitable in the use of the open air of no electrical network.Under the cooling condition, under outdoor temperature was condition about 35 ℃, indoor temperature can be stabilized in about 20 ℃, and coefficient of refrigerating performance is 3.6; Under the heating condition, when outdoor temperature was 3 ℃ of left and right sides, indoor temperature can be stabilized in 32 ℃, and coefficient of heat supply is 4.5.The connected mode of semiconductor thermoelectric module is convenient changes, to adapt to the electrical power size and different refrigerated medium heat demands that sun the subject of knowledge and the object of knowledge can provide.Cooling or heating effect is good, ground heat exchanger provide near the recirculated water of constant temperature as the neither endothermic nor exothermic medium, than air bigger thermal conductivity factor and specific heat are arranged.
Description of drawings
Fig. 1 is the semiconductor water cooling air conditioning system schematic diagram that utilizes soil to execute heat exchange.
Fig. 2 is semiconductor water cooling air-conditioner structural representation in the system of the present invention.
Fig. 3 partly cuts open figure for the water-cooling groove in the air-conditioning equipment of the present invention.
Among the figure: the 1-solar photoelectric converter; 2-refrigerating/heating space; 3-semiconductor water cooling air-conditioner; The 4-controller; The 5-battery; 6-semiconductor water cooling air-conditioner water inlet pipe; 7-semiconductor water cooling air-conditioner outlet pipe; The 8-ground heat exchanger; The 9-water circulating pump; The 10-fin radiator; 11-insulation cotton; The 12-water-cooling groove; The import of 13-water-cooling groove; The outlet of 14-water-cooling groove; The 15-semiconductor thermoelectric module; The 16-lead; 17-water-cooling groove runner.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present invention, the course of work and the specific embodiment are further described.
Fig. 1 is a system schematic of the present invention, comprise solar photoelectric converter 1, controller 4, battery 5, semiconductor water cooling air-conditioner 3, is arranged on underground ground heat exchanger 8 and water circulating pump 9 at semiconductor water cooling air-conditioner water inlet pipe 6, semiconductor water cooling air-conditioner outlet pipe 7.The water inlet of ground heat exchanger links to each other with semiconductor water cooling air-conditioner outlet pipe, and the delivery port of ground heat exchanger links to each other with semiconductor water cooling air-conditioner water inlet pipe; Water circulating pump is arranged on semiconductor water cooling air-conditioner water inlet pipe or the semiconductor water cooling air-conditioner outlet pipe; The water that the cold junction in the hot junction when semiconductor thermoelectric module freezes/when heating flows out enters water-cooling groove through the ground heat exchanger heat exchange by water pump lifting, is gone into the soil heat exchanger and circulates by semiconductor heating/cooling is laggard in water-cooling groove.
Solar photoelectric converter 1 is made up of polylith polycrystal silicon cell plate, is arranged at outdoor; The polycrystal silicon cell plate adopts series connection or parallel way, thereby different charging voltage and system works voltage is provided.When solar photoelectric converter 1 produces the electric weight abundance, directly give the semiconductor air conditioner power devices, and unnecessary electric weight is stored in battery 5; When the electric weight deficiency that solar photoelectric converter 1 produces, give the power supply of semiconductor water cooling air-conditioner by battery 5 so.Controller 4 automatic or manuals control battery 5 discharge and recharge switch and Load Regulation with the semiconductor water cooling air-conditioner.Automatically the load process of regulating air-conditioning equipment is as follows: when air-conditioning equipment was just started working, controller 4 was connected circuit with all semiconductor thermoelectric modules 15, makes refrigerating/heating space 2 cooling/intensification as early as possible; Temperature when refrigerating/heating space 2 has reached setting value, and then the operating voltage of the work number of controller 4 minimizing semiconductor thermoelectric modules 15 or reduction semiconductor thermoelectric module is regulated refrigerating capacity, and is constant to keep room temperature; Temperature when refrigerating/heating space 2 is higher than/is lower than setting value, and then controller 4 increases the work number of semiconductor thermoelectric module 15 or the operating voltage of rising semiconductor thermoelectric module, with reduction/rising room temperature.
Fig. 2 is a semiconductor water cooling air-conditioner structural representation, this semiconductor water cooling air-conditioner contains fan, water-cooling groove 12, fin radiator 10 and semiconductor thermoelectric module 15, described water-cooling groove, fin radiator and semiconductor thermoelectric module are divided equally two rows and are arranged, and symmetric arrangement is followed successively by water-cooling groove 12, semiconductor thermoelectric module 15 and fin radiator 10 from outside to inside; The hot junction in semiconductor thermoelectric module when refrigeration or the cold junction when heating contact with water-cooling groove, cold junction during refrigeration or the hot junction when heating contact with fin radiator, contact-making surface evenly is coated with heat-conducting silicone grease, is filled with insulation cotton 11 in the space between fin radiator and water-cooling groove.This structural configuration fan air-out air-flow flow process is short, heat exchange is even, to reduce heat transfer temperature difference, strengthens the heat exchange effect, increases system's refrigerating/heating efficient.Can select the semiconductor thermoelectric module 15 of varying number according to the difference of actual load.In controller 4, can change the connection in series-parallel of semiconductor thermoelectric module 15 by the connected mode of control semiconductor thermoelectric module lead 16, with the convenient semiconductor thermoelectric module thermic load of regulating.In the middle of water-cooling groove 12, fin radiator 10, do not arrange in the space of semiconductor thermoelectric module 15 and fill insulation cotton 11,, make the semiconductor thermoelectric module cold junction keep lower temperature to reduce of the heat transmission of semiconductor thermoelectric module hot junction to cold junction.
Fig. 3 partly cuts open figure for water-cooling groove, recirculated water flows out from the delivery port 14 of water-cooling groove, after ground heat exchanger 8 and soil carry out heat exchange, again after the import 13 that water circulating pump 9 passes through water-cooling grooves from semiconductor water cooling air-conditioner water inlet pipe 6 enters water-cooling groove 12, flow along the water-cooling groove runner 17 that is divided into four tunnel, carry out heat exchange with water-cooling groove 12, the outlet 14 by water-cooling groove flows to semiconductor water cooling air-conditioner outlet pipe 7 again, move in circles, ground heat exchanger 8 constantly and soil carry out heat exchange.Semiconductor thermoelectric piles up the heat that when refrigeration produce or the cold that produces when heating is taken away by recirculated water in this air-conditioning system.
The switching of system's refrigerating/heating function is realized by the change of the sense of current.In controller 4, change the positive-negative polarity of power supply, just can switch the refrigerating/heating function of semiconductor water cooling air conditioning system at once.

Claims (2)

1. solar semiconductor water cooling air conditioning system that utilizes soil to execute heat exchange, comprise solar photoelectric converter (1), controller (4), battery (5), semiconductor water cooling air-conditioner (3), described semiconductor water cooling air-conditioner contains fan, water-cooling groove (12), semiconductor water cooling air-conditioner water inlet pipe (6), semiconductor water cooling air-conditioner outlet pipe (7), fin radiator (10) and semiconductor thermoelectric module (15), semiconductor water cooling air-conditioner water inlet pipe links to each other with the import (13) of water-cooling groove and the outlet (14) of water-cooling groove respectively with semiconductor water cooling air-conditioner outlet pipe, it is characterized in that: this solar semiconductor water cooling air conditioning system also contains and is arranged on underground ground heat exchanger (8) and water circulating pump (9), the water inlet of described ground heat exchanger links to each other with semiconductor water cooling air-conditioner outlet pipe, the delivery port of ground heat exchanger links to each other with semiconductor water cooling air-conditioner water inlet pipe, and described water circulating pump is arranged on semiconductor water cooling air-conditioner water inlet pipe or the semiconductor water cooling air-conditioner outlet pipe; The water that the cold junction in the hot junction when semiconductor thermoelectric module freezes/when heating flows out enters water-cooling groove through the ground heat exchanger heat exchange by water pump lifting, is gone into the soil heat exchanger and circulates by semiconductor heating/cooling is laggard in water-cooling groove.
2. according to the described a kind of solar semiconductor water cooling air conditioning system that utilizes soil to execute heat exchange of claim 1, it is characterized in that: described water-cooling groove (12), fin radiator and semiconductor thermoelectric module are divided equally two rows and are arranged, and symmetric arrangement is followed successively by water-cooling groove (12), semiconductor thermoelectric module (15) and fin radiator (10) from outside to inside; The hot junction in semiconductor thermoelectric module when refrigeration or the cold junction when heating contact with water-cooling groove, cold junction during refrigeration or the hot junction when heating contact with fin radiator, contact-making surface is coated with heat-conducting silicone grease, is filled with insulation cotton (11) in the space between fin radiator and water-cooling groove.
CNA2008101161518A 2008-07-04 2008-07-04 Solar semiconductor water cooling air conditioning system using soil to execute heat exchange Pending CN101319808A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101832608A (en) * 2010-04-20 2010-09-15 北京航空航天大学 Soil-source direct-cold environment-friendly air-conditioning system based on solar electrical energy generation
CN102331051A (en) * 2011-07-25 2012-01-25 江苏第一金合金有限公司 Temperature control device of building
CN102353104A (en) * 2011-07-25 2012-02-15 江苏第一金合金有限公司 Temperature control method for building
CN102544170A (en) * 2010-12-24 2012-07-04 阿特斯(中国)投资有限公司 Temperature adjusting device of photovoltaic assembly
CN104329751A (en) * 2014-10-09 2015-02-04 安徽宿州懂你电力工程有限公司 Energy-saving air conditioner
CN104990303A (en) * 2015-06-03 2015-10-21 马鞍山聚力科技有限公司 Solar photovoltaic water pump heating and refrigerating system and use method thereof
CN107942161A (en) * 2017-11-07 2018-04-20 芜湖赛宝机器人产业技术研究院有限公司 A kind of portable small space temperature test box
CN109751793A (en) * 2019-02-24 2019-05-14 大连理工大学 A kind of desert mobile field camp photovoltaic semiconductors cold and heat supply system and its working method
CN111811089A (en) * 2020-01-02 2020-10-23 中国科学院物理研究所 Geothermal-thermoelectric cooperative air conditioning system
WO2020252680A1 (en) * 2019-06-19 2020-12-24 林世轩 Cooling module having airflow channels, and air conditioner device having same

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101832608A (en) * 2010-04-20 2010-09-15 北京航空航天大学 Soil-source direct-cold environment-friendly air-conditioning system based on solar electrical energy generation
CN102544170A (en) * 2010-12-24 2012-07-04 阿特斯(中国)投资有限公司 Temperature adjusting device of photovoltaic assembly
CN102331051A (en) * 2011-07-25 2012-01-25 江苏第一金合金有限公司 Temperature control device of building
CN102353104A (en) * 2011-07-25 2012-02-15 江苏第一金合金有限公司 Temperature control method for building
CN104329751A (en) * 2014-10-09 2015-02-04 安徽宿州懂你电力工程有限公司 Energy-saving air conditioner
CN104990303A (en) * 2015-06-03 2015-10-21 马鞍山聚力科技有限公司 Solar photovoltaic water pump heating and refrigerating system and use method thereof
CN104990303B (en) * 2015-06-03 2017-06-16 马鞍山聚力科技有限公司 Solar photovoltaic water pump heating and refrigeration system and its application method
CN107942161A (en) * 2017-11-07 2018-04-20 芜湖赛宝机器人产业技术研究院有限公司 A kind of portable small space temperature test box
CN109751793A (en) * 2019-02-24 2019-05-14 大连理工大学 A kind of desert mobile field camp photovoltaic semiconductors cold and heat supply system and its working method
CN109751793B (en) * 2019-02-24 2023-12-15 大连理工大学 Photovoltaic semiconductor cooling and heating system for desert camping house and working method thereof
WO2020252680A1 (en) * 2019-06-19 2020-12-24 林世轩 Cooling module having airflow channels, and air conditioner device having same
CN111811089A (en) * 2020-01-02 2020-10-23 中国科学院物理研究所 Geothermal-thermoelectric cooperative air conditioning system

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Open date: 20081210