Invention content
The problem that the present invention solves is how further to reduce the energy consumption of refrigerating appliance.
To solve the above problems, the present invention provides a kind of refrigerating appliance, including：First load unit and the second load are singleMember, the operating power of second load unit are more than the operating power of first load unit；First heat-collecting part andOne cold-collecting part part has first temperature difference between the first cold-collecting part part and the first heat-collecting part；Second heat-collecting part and secondThere is cold-collecting part part second temperature difference, first temperature difference to be less than second between the second cold-collecting part part and the second heat-collecting partThe temperature difference；The refrigerating appliance further includes：First temperature-difference power generation module, first temperature-difference power generation module are suitable for utilizing described firstThe first thermo-electric generation between cold-collecting part part and the first heat-collecting part, to power to first load unit；Second temperature difference is sent outElectric module, second temperature-difference power generation module are suitable for utilizing the second temperature between the second cold-collecting part part and the second heat-collecting partDifference power generation, to power to second load unit.
Optionally, the first cold-collecting part part is evaporator, and first heat-collecting part is refrigerating chamber；Second collection is coldComponent is freezing chamber, and second heat-collecting part is condenser or compressor.Using the above scheme, it can make first temperatureAbout 35 DEG C of difference, second temperature difference is about 60 DEG C, to realize to first load unit of different operating power demand andSecond load unit carries out differentiation power supply.
Optionally, the first cold-collecting part part is refrigerating chamber, and first heat-collecting part is condenser or compressor；It is describedSecond cold-collecting part part is freezing chamber, and second heat-collecting part is the portion that temperature is equal to ambient temperature in the refrigerating appliancePart.Using the above scheme, it can so that first temperature difference is about 20 DEG C, second temperature difference is about 50 DEG C, to realize to notDifferentiation power supply is carried out with first load unit of operating power requirements and the second load unit.
Optionally, first temperature-difference power generation module includes：At least one set of power generation sheet, every group of power generation sheet include material differenceTwo panels power generation sheet, the first end of the two panels power generation sheet and the first heat-collecting part thermal coupling and mutual electric coupling are describedThe second end of two panels power generation sheet is with the first cold-collecting part part thermal coupling and forms the first potential difference between each other；First energy is receivedCollect module, is suitable for generating the first supply voltage using first potential difference, first supply voltage is transmitted to described firstLoad unit.
Optionally, second temperature-difference power generation module includes：At least one set of power generation sheet, every group of power generation sheet include material differenceTwo panels power generation sheet, the first end of the two panels power generation sheet and the second heat-collecting part thermal coupling and mutual electric coupling are describedThe second end of two panels power generation sheet is with the second cold-collecting part part thermal coupling and forms the second potential difference between each other；Second energy is receivedCollect module, is suitable for generating the second supply voltage using second potential difference, second supply voltage is transmitted to described secondLoad unit.
Optionally, the material of the two panels power generation sheet is respectively-three tellurium of bismuth telluride-bismuth selenide solid solution and bismuth tellurideChange two antimony solid solution.Since in refrigerating appliance of the embodiment of the present invention, first temperature difference and second temperature difference are respectively less than 100 DEG C,Using above-mentioned semi-conducting material, it is higher can so that first temperature-difference power generation module and the second temperature-difference power generation module haveThermo-electrically transfer efficiency.
Optionally, first load unit and the second load unit are DC load.
Optionally, first load unit includes following one or more：Sensing module, display equipment, rotary valve,Electronic damper.
Optionally, second load unit includes following one or more：Lighting apparatus, fan.
Optionally, the refrigerating appliance further includes：Main controller；Wireless communication module, the main controller is via described wirelessCommunication module is wirelessly connected with first load unit and/or second load unit, and the wireless communication module is suitable forThe control signal transmission that the main controller is sent out is to first load unit and/or second load unit.Compared toIn prior art, the main controller and first load unit and/or the single wired connection of the second load useThis embodiment scheme, can be inside the refrigerating appliance, required harness when without wired connection mode, reduces harnessComplexity is more advantageous to the production and installation of the refrigerating appliance.
Optionally, the wireless communication module is supplied by first temperature-difference power generation module and/or the second temperature-difference power generation moduleElectricity.Using the above scheme, the energy consumption of the refrigerating appliance can further be saved.
Optionally, the wireless communication module is with one kind in lower module：Bluetooth module, Zigbee module, infrared mouldBlock, Wi-Fi module.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantages that：
Using the above scheme, first temperature difference is less than second temperature difference to the embodiment of the present invention, therefore, first temperatureThe electric energy that poor electricity generation module generates is less than the electric energy that second temperature-difference power generation module generates.The embodiment of the present invention is using described theThe electric energy that one temperature-difference power generation module generates is powered for first load unit, is generated using second temperature-difference power generation moduleElectric energy is powered for second load unit.The embodiment of the present invention carries out difference according to the different temperature difference of the refrigerator inner partChange thermo-electric generation, be that first load unit of different operating power demand and the second load unit carry out differentiation power supply,With prior art only with thermo-electric generation for load supplying compared with, further saved the efficiency of the refrigerating appliance.
Furthermore, the first cold-collecting part part is evaporator, and first heat-collecting part is refrigerating chamber；Described secondCold-collecting part part is freezing chamber, and second heat-collecting part is condenser or compressor, can so that first temperature difference is about 35DEG C, second temperature difference is about 60 DEG C, is loaded to first load unit of different operating power demand and second with realizingUnit carries out differentiation power supply.
Furthermore, the first cold-collecting part part is refrigerating chamber, and first heat-collecting part is condenser or compressor；The second cold-collecting part part is freezing chamber, and such as atlas thermal part is that temperature is equal to external environment temperature in the refrigerating applianceThe component of degree can so that first temperature difference is about 20 DEG C, and second temperature difference is about 50 DEG C, to realize to different operating work(First load unit of rate demand and the second load unit carry out differentiation power supply.
Furthermore, the material of the two panels power generation sheet is respectively bismuth telluride-bismuth selenide solid solution and bismuth telluride-Three telluride, two antimony solid solution.Since in refrigerating appliance of the embodiment of the present invention, first temperature difference and second temperature difference are respectively less than 300DEG C, using above-mentioned semi-conducting material, it is higher can so that first temperature-difference power generation module and the second temperature-difference power generation module haveThermo-electrically transfer efficiency.
Furthermore, the refrigerating appliance further includes：Main controller；Wireless communication module, the main controller is via describedWireless communication module is wirelessly connected with first load unit and/or second load unit, the wireless communication moduleSuitable for the control signal transmission that sends out the main controller to first load unit and/or second load unit.PhaseThan in prior art, the main controller and first load unit and/or described second are loaded single wired connection,, can be inside the refrigerating appliance using this embodiment scheme, required harness when without wired connection mode reducesHarness complexity is more advantageous to the production and installation of the refrigerating appliance.
Furthermore, the wireless communication module is by first temperature-difference power generation module and/or the second thermo-electric generation mouldBlock is powered, and the energy consumption of the refrigerating appliance can be further saved.
Specific implementation mode
As described in the background section, Seebeck effect provides theoretical foundation for thermo-electric generation.In the prior art, Ruo GanzhuanSharp document using the different component (for example, condenser and liner) of refrigerating appliance (by taking refrigerator as an example) internal temperature to being carried outThermo-electric generation, generated electric energy are the load supplying in refrigerating appliance, can realize the energy consumption for saving refrigerating appliance, still,How further to reduce the energy consumption of refrigerating appliance is refrigerating appliance designer problem to be solved.
In view of the above-mentioned problems, an embodiment of the present invention provides a kind of refrigerating appliance, inside according to the refrigerating applianceComponent carry out differentiation thermo-electric generation, be that the load of different capacity demand carries out differentiation power supply, it is described to further increaseThe efficiency of refrigerating appliance.
To make the above purposes, features and advantages of the invention more obvious and understandable, below in conjunction with the accompanying drawings to the present inventionSpecific embodiment explain in detail.
First embodiment
Referring to Fig.1, Fig. 1 shows that the refrigerating appliance 100 of first embodiment of the invention, the refrigerating appliance 100 can wrapIt includes：First load unit 101 and the second load unit 102, the first heat-collecting part 103 and the first cold-collecting part part 104, the second thermal-arrestComponent 105 and the second cold-collecting part part 106, the first temperature-difference power generation module 107 and the second temperature-difference power generation module 108.
The operating power of second load unit 102 is more than the operating power of first load unit 101；DescribedThere is first temperature difference between one cold-collecting part part 104 and the first heat-collecting part 103；The second cold-collecting part part 106 and the second thermal-arrestThere is second temperature difference, first temperature difference to be less than second temperature difference between component 105.
First temperature-difference power generation module 107 be suitable for using the first cold-collecting part part 104 and the first heat-collecting part 103 itBetween the first thermo-electric generation, with to first load unit 101 power；Second temperature-difference power generation module 108 is suitable for utilizingThe second thermo-electric generation between the second cold-collecting part part 106 and the second heat-collecting part 105, with to second load unit102 power supplies.
According to Seebeck effect, since there is different metal conductor (or semiconductor) different free electron densities (or to carryFlow daughter density), when two different metallic conductors (or semiconductor) contact with each other, electronics on the contact surface will be by heightConcentration is spread to low concentration.And the temperature difference between the speed of electrons spread and different metal conductor (or semiconductor) is directly proportional, instituteAs long as to maintain the temperature difference between two metallic conductors (or semiconductor), electronics can be made to continue to spread, (or partly be led in two metallic conductorsBody) other two endpoint form stable voltage.
In embodiments of the present invention, since first temperature difference is less than second temperature difference, in equal time and identicalIt is described under the conditions of thermo-electric generation (all sames such as material, contact area of metallic conductor (or semiconductor) for thermo-electric generation)The generation current that first temperature-difference power generation module 107 is generated in power generation is than the second thermo-electric generation smaller.Therefore, described firstThe electric energy that temperature-difference power generation module 107 generates is less than the electric energy that second temperature-difference power generation module 108 generates.The embodiment of the present invention is adoptedIt is powered for first load unit 101 with the electric energy that first temperature-difference power generation module 107 generates, using second temperature differenceThe electric energy that electricity generation module 108 generates is powered for second load unit 102, according to the different temperature difference of the refrigerator inner partDifferentiation thermo-electric generation is carried out, is that the load of different operating power demand carries out differentiation power supply, is only adopted with prior artIt is that load supplying is compared with thermo-electric generation, further increases the efficiency of the refrigerating appliance 100.
In specific implementation, first load unit, 101 and second load unit 102 can be DC load, but notIt is limited to this.Although the potential difference that first temperature-difference power generation module, 107 and second temperature-difference power generation module 108 respectively exports is straightGalvanic electricity pressure, but can be powered for AC load, the present embodiment is not by carrying out voltage transformation via direct-current-alternating-current converterIt carries out specifically limited.
Referring to Fig. 1 and Fig. 2, in specific implementation, the refrigerating appliance 100 may include evaporator 201, refrigerating chamber 202,Freezing chamber 203, condenser 204 and compressor 205.
May include following one or more in first load unit 101：Sensing module 1011 shows equipment1012, rotary valve 1013, electronic damper 1014.Second load unit 102 includes following one or more：Lighting apparatus1021, fan 1022.
In refrigerating appliance 100, sensing module 1011 may include temperature sensor, humidity sensor, pressure sensor,Luminance sensor, range sensor and switch sensor it is one or more, the operating power of the sensor is very low, can be lowTo less than 0.5W, to put it more simply, each sensor is not separately shown in fig. 2；Equipment 1012 is shown, such as charactron or liquid crystalShow that the operating power of device (Liquid Crystal Display, abbreviation LCD) is generally less than 2W, the display equipment 1012 can be withTemperature for showing refrigerating chamber 202 and/or freezing chamber 203 described in the refrigerating appliance 100；For being pressed described in controlled adjustmentThe operating power of the rotary valve 1013 of cold medium flux is generally less than 2W in contracting machine 205；The operating power of electronic damper 1014 is generalLess than 2W, the electronic damper 1014 is generally positioned in the air duct (not shown) of the refrigerating appliance 100, described for acceleratingHeat exchanging process in refrigerating appliance 100.And the operating power of the general lighting apparatus 1021 and fan 1022 is about 3W.
In specific implementation, the first cold-collecting part part 104 can be the evaporator 201, and temperature is generally -30DEG C, first heat-collecting part 103 can be the refrigerating chamber 202, and temperature is 2 to 8 DEG C adjustable (typically about 5 DEG C), orFor person when the refrigerating chamber 202 is fresh-keeping chamber, temperature can be down to 0 DEG C or subzero, the first cold-collecting part part 104 and instituteIt is about 35 DEG C to state first temperature difference between the first heat-collecting part 103.The second cold-collecting part part 106 can be the freezing chamber203, temperature is -16 to -30 DEG C adjustable (typically about -25 DEG C), and second heat-collecting part 105 can be the condenser204 or compressor 205, the temperature of the two is each about 35 DEG C, the second cold-collecting part part 106 and second heat-collecting part 105Between second temperature difference be about 60 DEG C.First and second temperature difference to differ greatly can make first temperature-difference power generation module107 and second temperature-difference power generation module 108 realize first load unit 101 and second of different operating power demand loadedUnit 102 carries out differentiation power supply.
Furthermore, with reference to Fig. 3, first temperature-difference power generation module 107 may include：At least one set of power generation sheet andOne energy collection module 1071.Wherein, every group of power generation sheet includes the different two panels power generation sheet of material (P1 and N1), the two panels hairThe first end of electric piece (P1 and N1) and 103 thermal coupling of the first heat-collecting part and mutual electric coupling, the two panels power generation sheet (P1And N1) second end and 104 thermal coupling of the first cold-collecting part part and form the first potential difference between each other；First energyCollection module 1071 is suitable for generating the first supply voltage using first potential difference, and first supply voltage is transmitted to describedFirst load unit 101 namely first energy collection module 1071 carry out voltage transformation, example to first potential differenceSuch as, first potential difference is 5V, and first energy collection module 1071 converts the 5V voltages, to obtain for exampleThe voltages such as 12V, 3.3V, to meet the power demands of one or more loads in first load unit 101.
Similarly, second temperature-difference power generation module 108 may include：At least one set of power generation sheet and the second energy collection module1081.Wherein, every group of power generation sheet includes the different two panels power generation sheet of material (P2 and N2), the two panels power generation sheet (P2 and N2)First end and 105 thermal coupling of the second heat-collecting part and mutual electric coupling, the second end of the two panels power generation sheet (P2 and N2)Form with 106 thermal coupling of the second cold-collecting part part and between each other the second potential difference；Second energy collection module 1081Suitable for generating the second supply voltage using second potential difference, second supply voltage is transmitted to second load unit102。
In specific implementation, the material of the two panels power generation sheet can be respectively bismuth telluride-bismuth selenide (Bi2Te3-Bi2Se3) solid solution and-three telluride of bismuth telluride two antimony (Bi2Te3-Sb3Te3) solid solution.According to Seebeck effect, it to be used for the temperature differenceThe material of the different metal (or semiconductor) of power generation is different, and the efficiency of thermo-electric generation is different；And select the different metal (orSemiconductor) material when, need the temperature of the component contacted with reference to the different metal (or semiconductor).In the present embodimentBismuth telluride-bismuth selenide (Bi2Te3-Bi2Se3) solid solution and the solid solution of two antimony (Bi2Te3-Sb3Te3) of-three telluride of bismuth tellurideBody has higher quality factor within the scope of 0 to 300 DEG C, is preferable low temperature thermoelectric material, is to be used for the present embodimentThe preferred material of thermo-electric generation in refrigerating appliance 100.Using above-mentioned semi-conducting material, it can make the first thermo-electric generation mouldBlock 107 and the second temperature-difference power generation module 108 have higher thermo-electrically transfer efficiency.
It should be noted that it includes that one group of power generation sheet is (more specific that Fig. 3, which shows first temperature-difference power generation module 107 only,For, the quantity of every group of power generation sheet is two) the case where, but not limited to this.First temperature-difference power generation module 107 can also wrapMultigroup power generation sheet is included, the power generation sheet material between different groups of multigroup power generation sheet may be the same or different, and difference canTo generate multiple identical or different potential difference by thermo-electric generation, first energy collection module 1071 can be according to instituteIt states multiple identical or different potential difference and is produced as the first supply voltage that first load unit 101 is powered.Similarly, instituteState the second temperature-difference power generation module 108 can also include multigroup power generation sheet, by thermo-electric generation can also generate it is multiple identical orDifferent potential differences, second energy collection unit can be produced as institute according to the multiple identical or different potential differenceState the second supply voltage of the second load unit 102 power supply.
In specific implementation, above-mentioned every group of power generation sheet includes in the different two panels power generation sheet of material (P1 and N1 or P2 and N2)Buckle (not shown) can be respectively set, accordingly, the first cold-collecting part part 104, the first thermal-arrest portion for thermo-electric generationCan be respectively set card slot (not shown) on part 103, the second cold-collecting part part 106 and the second heat-collecting part 105, each power generation sheet withCorresponding thermal-arrest or cold-collecting part part are clamped, and are firmly installed.
In specific implementation, the refrigerating appliance 100 can also include expanded material, be filled in above-mentioned each power generation sheet withAnd it in the gap between corresponding thermal-arrest or cold-collecting part part, is easily installed.
Second embodiment
In the refrigerating appliance of second embodiment of the invention, the refrigerating appliance and refrigerating appliance 100 shown in FIG. 1 are basicIdentical, the main distinction is, the first cold-collecting part part 104 can be refrigerating chamber 202, and temperature is 2 to 8 DEG C adjustable (generalAbout 5 DEG C), either when the refrigerating chamber 202 is fresh-keeping chamber, its temperature can be down to 0 DEG C or subzero, first thermal-arrestComponent 103 can be condenser 204 or compressor 205, and the temperature of the two is each about 35 DEG C so that first temperature difference is about 20℃.The second cold-collecting part part 106 can be freezing chamber 203, and temperature is -16 to -30 DEG C adjustable (typically about -25 DEG C),Second heat-collecting part 105 can be that temperature is equal to the component of ambient temperature in the refrigerating appliance, such as can beThe outer wall of the refrigerating appliance can also be the shell to form the refrigerating chamber 202 or freezing chamber 203, be not limited to this, describedThe temperature of component that temperature is equal to ambient temperature in refrigerating appliance can be 25 DEG C of room temperature so that second temperature difference is about50℃.101 He of the first load unit to different operating power demand may be implemented in first temperature difference and second temperature differenceSecond load unit 102 carries out differentiation power supply.
In a change case in the present embodiment, the first cold-collecting part part 104 can be freezing chamber 203, described theOne heat-collecting part 103 can be the component that temperature is equal to ambient temperature in the refrigerating appliance；The second cold-collecting part part106 can be freezing chamber 203, and second heat-collecting part 105 can be condenser 204 or compressor 205.
It should be noted that the present embodiment refrigerating appliance there can also be other alternative, no longer repeat one by one herein,As long as disclosure satisfy that the different components with the different temperature difference for generating electric energy of different sizes, for being different capacity demandLoad unit carry out otherness power supply.In addition, the present embodiment refrigerating appliance can also include that (figure is not for third load unitShow), the operating power of the third load unit is different from first load unit, 101 and second load unit 102.It is describedRefrigerating appliance can also include third cold-collecting part part not shown in the figure and third heat-collecting part, have be different from institute therebetweenState the third temperature difference of first temperature difference and second temperature difference, the two is produced electricl energy by thermo-electric generation as the third load supplying, andCan and so on.
3rd embodiment
The refrigerating appliance 300 of third embodiment of the invention is shown with reference to Fig. 4, Fig. 4.The structure of the refrigerating appliance 300Essentially identical with operation principle and above-mentioned refrigerating appliance 100, the main distinction is, the refrigerating appliance 300 can also include masterControl device 301 and wireless communication module 302.
Furthermore, the main controller 301 can be via the wireless communication module 302 and first load unit101 and/or second load unit 102 be wirelessly connected, the wireless communication module 302 be suitable for the main controller 301 is sent outThe control signal transmission gone out is to first load unit 101 and/or second load unit 102, to complete the master controlControl of the device 301 to first load unit 101 and/or second load unit 102.
In specific implementation, the main controller 301 can be the control core of the refrigerating appliance 300, specifically, can be withFor any control unit such as microcontroller or programmable logic device (Programmable Logic Device, abbreviation PLD).The wireless communication module 302 can be following mould one kind in the block：Bluetooth module, Zigbee module, infrared module, Wi-FiModule, but not limited to this.
Specifically, first load unit 101 and/or second load unit 102, which have, supports the channel radioBelieve the communication interface of the communication protocol of module 302, wherein above-mentioned communication protocol can be Bluetooth protocol, Zigbee protocol, such asIt is one or more in ITT agreements, the infrared protocol of NEC agreements, the Wi-Fi agreements of such as IEEE 802.11n.The main controller301, by the programming of the routine interface for the wireless communication module 302, send corresponding control instruction to the channel radioBelieve module 302, and by the wireless communication module 302 by first load unit 101 and/or second load unit102 identifiable control signal transmissions are to first load unit 101 and/or second load unit 102.
Compared with the prior art by the main controller 301 and first load unit 101 and/or described second in scheme102 wired connection of load unit can be inside the refrigerating appliance 300, without wired company using this embodiment schemeHarness required when mode is connect, the harness complexity of the refrigerating appliance 300 is reduced, is more advantageous to the refrigerating appliance 300Production and installation.
Preferably, the wireless communication module 302 is by first temperature-difference power generation module, 107 and/or second thermo-electric generationModule 108 is powered, and Fig. 4 shows that the wireless communication module 302 is sent out by first temperature-difference power generation module, 107 and second temperature differenceThe case where electric module 108 is powered jointly, using the above scheme, can further save the energy consumption of the refrigerating appliance 300.
It should be noted that the scheme of third embodiment of the invention is equally applicable to second embodiment of the invention, Geng DuoxinBreath, which please refers to, to be described above, and details are not described herein again.
Although present disclosure is as above, present invention is not limited to this.Any those skilled in the art are not departing from thisIt in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim instituteSubject to the range of restriction.