CN207389119U - The interior timing refrigeration system that a kind of summer automobile high temperature utilizes - Google Patents

The interior timing refrigeration system that a kind of summer automobile high temperature utilizes Download PDF

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CN207389119U
CN207389119U CN201721391887.7U CN201721391887U CN207389119U CN 207389119 U CN207389119 U CN 207389119U CN 201721391887 U CN201721391887 U CN 201721391887U CN 207389119 U CN207389119 U CN 207389119U
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temperature
accumulator
interior
thermoelectric generation
voltage
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张艺佳
宋淑婕
黄超
徐乐乐
薛凯
滕伟
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North China Electric Power University
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North China Electric Power University
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Abstract

The interior timing refrigeration system that the utility model belongs to thermoelectric generation field more particularly to a kind of summer automobile high temperature utilizes.Consume energy in process of production for solar panel it is high, generate the defects of high pollution, the utility model proposes the interior timing refrigeration systems that a kind of summer automobile high temperature utilizes.The system is in turn connected into the circulating cooling system from closed loop by thermoelectric generation film, boost module, voltage-stablizer, accumulator, time controller and compressor of air conditioner;Multiple power generation sheets are layed in by connection in series-parallel at the top of car, the temperature difference inside and outside car room is made full use of to generate electricity, air conditioning for automobiles is supplied and other electrical equipments uses.The utility model can reduce oil consumption and the pollution to environment, it is a kind of environmentally protective generation mode of intimate zero-emission, limitation whether the utility model is opened for the unlatching of air conditioning for automobiles from engine, car owner can set the time that interior air-conditioning voluntarily starts, the more comfortable convenient hommization of design by timing system.

Description

The interior timing refrigeration system that a kind of summer automobile high temperature utilizes
Technical field
The interior timing that the utility model belongs to thermoelectric generation field more particularly to a kind of summer automobile high temperature utilizes Refrigeration system.
Background technology
With world energy sources crisis, increasingly sharpening for environmental pollution and increasing rapidly for population, the mankind are to the demand of the energy Increasingly increase, there is an urgent need to novel energies to replace traditional energy.Being incremented by with day for domestic vehicles is close with the energy and environmental problem It is related.It is reported according to State Council, by the end of the end of the year in 2016, China's vehicles number was more than 300,000,000, automobile consumption according to statistics 1 kwh about discharges 0.785KgCO2, consume 0.25Kg gasoline, in today of energy shortage, develop the new energy of vehicle environmental protection by Step becomes popular focus, and application prospect is boundless.Air-conditioning system be in car accessories oil consumption it is most significant one influence because Element, current automobile air conditioner compressor is to be driven using the power of engine by belt transmission, therefore can consume and start The power of more than machine 800W so as to increase the load of engine, is particularly automobile with small output volumn, after air-conditioning is opened, hence it is evident that power Deficiency, climbing is powerless, while also increases the oil consumption of automobile.At present, it is main to concentrate for the energy consumption issues of automobile refrigeration system In oil consumption.Photovoltaic generation is that solar energy is converted into electric energy using solar panel, is had without exhausted dangerous, peace Entirely reliably, the advantages that noiseless, non-pollution discharge, energy quality is high.However solar panel can generate in process of production High pollution, and the height that consumes energy, in addition, solar panel also there are irradiation energy distribution density is small, it is of high cost the defects of.
Utility model content
In view of the above-mentioned problems, the utility model proposes the interior timing refrigeration system that a kind of summer automobile high temperature utilizes, bags It includes:Thermoelectric generation film, boost module, voltage-stablizer, accumulator, time controller and compressor of air conditioner send out multiple temperature difference Electric piece is combined into thermo-electric generation chip arrays according to series-parallel mode and is layed at the top of car, and the thermo-electric generation chip arrays are with rising Die block, voltage-stablizer, accumulator, time controller and compressor of air conditioner are sequentially connected, and form the circulating cooling system from closed loop; The thermoelectric generation film is generated electricity using the temperature difference between Cooling and Heat Source;The boost module is used for generate thermoelectric generation film Boost in voltage to compressor of air conditioner rated voltage, be reached for accumulator charging requirement;The voltage-stablizer is used to make the temperature difference The voltage that power generation sheet both ends generate keeps stablizing;The accumulator is used to store the electric energy of thermoelectric generation film generation, is air-conditioning pressure Contracting machine, lighting system, sound system power supply;When the time controller is used to set the voluntarily startup of interior air-conditioning or closes Between, automatic adjustment vehicle interior temperature to comfort temperature.
Anti-reverse charging diode is connected between the accumulator and voltage-stablizer, is prevented when the temperature difference is zero or is smaller, electric power storage One terminal voltage of pond is higher than the voltage of thermoelectric generation film one end, and accumulator is caused to discharge to thermoelectric generation film and damage circuit element.
The accumulator selects the accumulator of 12V.
The thermoelectric generation film uses the power generation sheet of model F40550, and open-circuit voltage is 2.75V under 40 DEG C of temperature difference, is sent out Electric current is 500mA.
The hot junction of the thermoelectric generation film is bonded using heat-conducting glue with roof iron sheet, and metal framework is recycled to be consolidated It is fixed, the cold end of thermoelectric generation film with interior cold air is contacted, the both ends of thermoelectric generation film is made to keep certain temperature difference, thus into Row power generation.
The electric energy that the thermo-electric generation chip arrays generate is stored in accumulator by control system or directly car is used Electric equipment is powered.
The beneficial effects of the utility model are:
(1) the utility model proposes a kind of interior timing cycle refrigeration system from closed loop, without solar panels and suction Hot material can make full use of solar energy to be radiated at the temperature difference of the two in the heat and car room of vehicle body, interior energy is converted into electric energy, and Power storage is got up to supply air conditioning for automobiles and other electrical equipments use, oil consumption is reduced, then reduces the pollution to environment.This Outside, under 40 DEG C of the temperature difference compared with the solar panel with area, generated energy improves 58.7%.In conversion process of energy There is no the discharge of exhaust gas waste water, be a kind of generation mode to the intimate zero-emission of environment, environmentally protective economy, to holding for the mankind Supervention exhibition is of great significance.
(2) thermo-electric generation that the utility model uses is without external mechanical moving element, additional drives and transmission system, Have the advantages that compact-sized, small, light-weight.Using thermoelectric generation film, thermal energy can directly be turned under the smaller temperature difference It changes electric energy into, and there is no noise, simple installation is long-term non-maintaining.
(3) the utility model utilizes thermo-electric generation, and the electric energy of collection not only can be supplied to automotive air-conditioning system use, can also The electrical equipments such as other interior lighting systems of supply, sound system.
(4) limitation whether the utility model is opened for the unlatching of air conditioning for automobiles from engine, since car is installed Air-conditioning time switch system, car owner can set the time that interior air-conditioning voluntarily start by timing system, especially in summer, Car owner can open air-conditioning in advance before driving, and vehicle interior temperature is made to shift to an earlier date automatic descending to comfort temperature, car owner's wait is reduced and dissipates The time of heat, more comfortable convenient hommization.
Description of the drawings
Attached drawing 1 is the interior timing refrigerant system configurations schematic diagram based on thermo-electric generation;
Attached drawing 2 is thermoelectric generation film paving mode schematic diagram;
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
Thermo-electric generation is a kind of environmentally protective generation mode, it can be by solar energy, geothermal energy, Ocean thermal energy, industry The low-grade energies such as waste heat are converted into electric energy, in order to realize the purpose to generate electricity using vehicle internal-external temperature difference, the utility model root The interior timing refrigeration system that a kind of summer automobile high temperature utilizes is proposed according to the characteristics of thermo-electric generation, and the refrigeration system needs pair Vehicle is simply transformed at present, i.e., in the car top installation thermoelectric generation film, by heat-conducting glue by the hot junction of power generation sheet with Roof iron sheet is bonded, then is fixed using metal framework, to ensure to have good heat conduction between roof and power generation sheet The cold end of thermoelectric generation film with interior cold air is contacted, the both ends of power generation sheet is made to keep certain temperature difference, so as to utilize temperature by performance The temperature difference of poor power generation sheet Cooling and Heat Source generates electricity.The electric energy that thermoelectric generation film generates is stored in accumulator by control system In or directly to car other electrical equipments be powered.
Specifically, the interior timing refrigerant system configurations figure based on thermo-electric generation as shown in Figure 1, the refrigeration system bag Thermoelectric generation film, boost module, voltage-stablizer, accumulator, time controller and compressor of air conditioner are included, one is selected according to roof area The thermoelectric generation film of fixed number amount is combined into thermo-electric generation chip arrays according to series-parallel mode and is layed at the top of car, paving mode As shown in Figure 2;The thermo-electric generation chip arrays and boost module, voltage-stablizer, accumulator, time controller and compressor of air conditioner according to Secondary connection forms the circulating cooling system from closed loop;The thermoelectric generation film is generated electricity using the temperature difference between Cooling and Heat Source;Institute Boost module is stated for the rated voltage by the boost in voltage that thermoelectric generation film generates to compressor of air conditioner, to be reached for accumulator The requirement of charging, such as the rated voltage of used vehicle-mounted air conditioner compressor are 24V, in order to which the voltage for generating power generation sheet reaches To the requirement charged for accumulator, it is necessary to boost to more than 24V using boost module;The voltage-stablizer is used to make thermoelectric generation film The voltage that both ends generate keeps stablizing, the fluctuation of power generation sheet both end voltage to be overcome to generate damage to circuit;The accumulator is used for Store thermoelectric generation film generate electric energy, for compressor of air conditioner, lighting system, sound system and other supplied with DC installation Electricity;The time controller is the timing means of interior air-conditioning system, for setting the voluntarily startup time of interior air-conditioning, with certainly The dynamic vehicle interior temperature that adjusts is to comfort temperature.When not up to setting time, time controller is equivalent to the switch of a disconnection, electricity Road direction accumulator charges;When reaching setting time, time controller is equivalent to the switch of a closure, the electricity of accumulator storage Amount can be used for interior electrical equipment.
Specifically, since semiconductor temperature differential generating piece is small, frivolous and with good thermal conductivity, it can be in Automobile It is largely laid at the inner casing of top, to ensure that low-temperature receiver face can good heat radiating.The power generation sheet model of better performances currently on the market F40550 semiconductor temperature differential generating pieces, specification 40*40*3.4mm, band of the single thermoelectric generation film under different temperature difference conditions are born The parameters for carrying power generation performance are as shown in table 1.Since in-vehicle air is in recurrent state and opens air-conditioning, sink temperature can Maintain 26 DEG C or so, the temperature of roof iron sheet up to 70~80 DEG C, therefore when thermoelectric generation film the temperature difference 20~60 DEG C it Between when, can reach good effect.And the resistance of free-standing on-board air conditioner is generally less than 5 Ω, and when the temperature difference is 40 DEG C, Mei Gefa The voltage that electric on piece generates is about 1V, and electric current is about 0.3A.According to statistics, the roof area of a general car is about 1.6m2, If being paved with the F40550 semiconductor temperature differential generating pieces that specification is 40*40*3.4mm, the temperature of about 1000 this models can be installed Poor power generation sheet.The utility model is composed in series a generating set using 10 power generation sheets, then one shares 100 generating sets.Therefore The output voltage of entire power generation chip arrays is about 12.6V, can be that accumulator charges after boosting, can also be used as self-contained air-conditioner Power supply.
It is as shown in table 2 for the parameters of bringing onto load power generation performance of the single thermoelectric generation film under the temperature difference condition.
The basic parameter of 1 F40550 semiconductor temperature differential generating pieces of table
The parameters of bringing onto load power generation performance of the 2 single thermoelectric generation film of table under 20~60 DEG C of temperature difference conditions
Iron sheet bottom of the utility model in roof is paved with model F40550 thermoelectric generation films, will pass through solar exposure Under heat source (temperature be about 65 DEG C) of the vehicle shell as thermoelectric generation film, meanwhile, the interior cold air by air-conditioning temperature-reducing is made For the cold end (temperature is about 25 DEG C) of thermoelectric generation film, generated electricity, sent using the temperature difference (about 40 DEG C) between Cooling and Heat Source Electricity charge by control system to 12V accumulators, after the electricity stored in accumulator is by inverter, then by being mounted on The air-conditioning system of time controller supply automobile on master control platform, when not up to setting time, time controller is equivalent to one The switch of a disconnection, circuit charge for accumulator;When reaching setting time, time controller be equivalent to one closure open It closes, the electricity of accumulator storage can be used for other interior electrical equipments.Time controller can control the opening time of air-conditioning system, Chinese herbaceous peony air-conditioning cools down in advance to car on ensuring car owner after vehicle is left for a period of time again.In accumulator extra electricity for To direct-flow electricity utilization apparatus such as interior sound equipment, illuminations.This utility model uses the circulating cooling system from closed loop, i.e., cool in car room Refreshing air constantly cools down the low temperature face of power generation sheet, and the high temperature face temperature for being installed on bodywork surface remains unchanged, therefore can be with one Straight to maintain to stablize the temperature difference, electric energy caused by the temperature difference can drive compressor of air conditioner to freeze into running indoor, cooling range power generation Piece forms closed loop cycle, it is ensured that the device continuous firing.
It is analyzed exemplified by when 40 DEG C of thermoelectric generation film temperature difference between the two ends, as shown in table 3 one common free-standing vapour Vehicle air-conditioning, 0.3 degree of model self-contained air-conditioner power consumption in one hour.
The common independent automobile air-conditioning data parameters of 3 one, table
Type of drive Voltage Electric current Power
Stand alone type 12V 15A 300W
As shown in Table 2, in the case of thermoelectric generation film output power maximum, the output voltage of each power generation sheet is 1.26V, output current 0.253A, output power 0.33W.Using the series connection of ten power generation sheets as a generating set, 1000 Power generation sheet can form 100 generating sets.It obtains:
UAlways=U0× 10=1.26 × 10=12.6V
IAlways=I0× 100=0.253 × 100=25.3A
PAlways=P0× 1000=0.33 × 1000=330W
It can be seen that the output voltage of each generating set reaches 12.6V, by 100 generating set parallel connections, total current is obtained about For 25.3A, peak power output 330W.Therefore, which can generate 0.33 degree of electricity in 40 DEG C of the temperature difference next hour.
Assuming that it is 1.6m in area2Roof be laid with solar panel carry out photovoltaic generation, according to American National aviation The statistics of space agency, the year sunshine amount of Beijing area is 1430KWh/ (m2Year), under ideal conditions, during high noon Table 1m2The solar energy irradiated from surface that receives of area for 1KW, the transfer efficiency of crystal silicon solar batteries component For 13%~15%, it is computed to obtain, the power of crystal silicon solar batteries is about 130W/m2.Then 1.6m2Area on per small When can generate about 0.208 degree electricity.
It can be seen that the thermoelectric generation film that the utility model uses, compared with solar panel, generated energy improves 58.7%, there is substantive effects of energy saving and emission reduction.
Below by the power generation electric power storage process of experimental simulation thermoelectric generation film, verification thermoelectric generation film is in the simulated environment temperature difference Under power generation performance and accumulator drive Air Conditioning System feasibility.
This experiment is generated electricity using the thermoelectric generation film of model SP1848-27145.The specific following institute of verification step It states:
(1) fever tablet is powered, fever tablet is surveyed into trip temperature using infrared radiation thermometer during fever tablet heats Amount determines the final equilibrium temperature th of fever tablet;
(2) air cooler is opened, heat dissipation is blowed to the low-temperature receiver side of thermoelectric generation film, the temperature difference is sent out using infrared radiation thermometer The low-temperature receiver side temperature tc of electric piece is measured;
(3) the thermoelectric generation film voltage U and electric current under 20 DEG C, the 40 DEG C and 60 DEG C temperature difference respectively is measured using universal meter I, measurement result is as shown in table 4, and the output power P of the single thermoelectric generation film under the corresponding temperature difference is obtained by calculation, and calculates knot Fruit is as shown in table 5;
(4) connect using 12 pieces of thermoelectric generation films as one group, DC boosting moulds are then accessed after two groups of power generation sheet parallel connections Block adjusts boost module knob, until voltage stabilization shown in universal meter is in 14.5V or so;
(5) 12V accumulators are accessed again after boost module, are charged to it, then this accumulator is picked out into two outputs Line access universal meter, the electric current I ' when recording voltage U ' shown in universal meter respectively and accessing the load of R=1 Ω, and calculating To output power P ';Again compared with the rated voltage Uo, rated current Io and rated power Po of Air Conditioning System.
U, the I for the single thermoelectric generation film that table 4 measures under 20 DEG C 40 DEG C and 60 DEG C of temperature difference
Single thermoelectric generation film power P of the table 5 under 20 DEG C 40 DEG C and 60 DEG C of temperature difference
Temperature difference t (DEG C) 20 40 60
Power P=UI (W) 0.2182 0.6624 1.1256
Experimental result:Thermoelectric generation film works well, and can be realized to Air Conditioning System by certain connection in series-parallel Power supply.
This embodiment is only the preferable specific embodiment of the utility model, but the scope of protection of the utility model not office It is limited to this, in the technical scope that any one skilled in the art discloses in the utility model, can readily occurs in Change or replacement should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with Subject to scope of the claims.

Claims (6)

1. the interior timing refrigeration system that a kind of summer automobile high temperature utilizes, which is characterized in that including thermoelectric generation film, boosting mould Block, voltage-stablizer, accumulator, time controller and compressor of air conditioner, by multiple thermoelectric generation films according to series-parallel mode It is combined into thermo-electric generation chip arrays to be layed at the top of car, the thermo-electric generation chip arrays and boost module, voltage-stablizer, electric power storage Pond, time controller and compressor of air conditioner are sequentially connected, and form the circulating cooling system from closed loop;The thermoelectric generation film utilizes The temperature difference between Cooling and Heat Source generates electricity;The boost in voltage that the boost module is used to generate thermoelectric generation film is to air conditioner compressed The rated voltage of machine, to be reached for the requirement of accumulator charging;The voltage-stablizer is used for the electricity for generating thermoelectric generation film both ends Pressure keeps stablizing;The accumulator is used to store the electric energy of thermoelectric generation film generation, is compressor of air conditioner, lighting system, sound equipment System power supply;The time controller is used to setting voluntarily startup time of interior air-conditioning, and automatic adjustment vehicle interior temperature is to comfortable Temperature.
2. the interior timing refrigeration system that a kind of summer automobile high temperature according to claim 1 utilizes, which is characterized in that Anti-reverse charging diode is connected between the accumulator and voltage-stablizer, is prevented when the temperature difference is zero or is smaller, one terminal voltage of accumulator Higher than the voltage of thermoelectric generation film one end, accumulator is caused to discharge to thermoelectric generation film and damage circuit element.
3. the interior timing refrigeration system that a kind of summer automobile high temperature according to claim 1 utilizes, which is characterized in that institute State the accumulator that accumulator selects 12v.
4. the interior timing refrigeration system that a kind of summer automobile high temperature according to claim 1 utilizes, which is characterized in that institute The power generation sheet that thermoelectric generation film uses model F40550 is stated, open-circuit voltage is 2.75V under 40 DEG C of temperature difference, and generation current is 500mA。
5. the interior timing refrigeration system that a kind of summer automobile high temperature according to claim 1 utilizes, which is characterized in that institute The hot junction for stating thermoelectric generation film is bonded using heat-conducting glue with roof iron sheet, metal framework is recycled to be fixed, by the temperature difference The cold end of power generation sheet is contacted with interior cold air, the both ends of thermoelectric generation film is made to keep certain temperature difference, so as to generate electricity.
6. the interior timing refrigeration system that a kind of summer automobile high temperature according to claim 1 utilizes, which is characterized in that institute The electric energy for stating the generation of thermo-electric generation chip arrays is stored in accumulator by control system or directly interior electrical equipment is carried out Power supply.
CN201721391887.7U 2017-10-25 2017-10-25 The interior timing refrigeration system that a kind of summer automobile high temperature utilizes Active CN207389119U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108978511A (en) * 2018-07-31 2018-12-11 杭州巨骐信息科技股份有限公司 The antitheft marker peg of intelligent patrol detection
CN110884465A (en) * 2019-12-20 2020-03-17 柴明坤 New energy automobile capable of quickly removing accumulated snow on roof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108978511A (en) * 2018-07-31 2018-12-11 杭州巨骐信息科技股份有限公司 The antitheft marker peg of intelligent patrol detection
CN110884465A (en) * 2019-12-20 2020-03-17 柴明坤 New energy automobile capable of quickly removing accumulated snow on roof

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