CN105761772A - Low temperature control method for isotope temperature difference battery wall face - Google Patents
Low temperature control method for isotope temperature difference battery wall face Download PDFInfo
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- CN105761772A CN105761772A CN201410798825.2A CN201410798825A CN105761772A CN 105761772 A CN105761772 A CN 105761772A CN 201410798825 A CN201410798825 A CN 201410798825A CN 105761772 A CN105761772 A CN 105761772A
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Abstract
The invention relates to a low temperature control method for an isotope temperature difference battery wall face and relates to the technical field of isotope temperature difference batteries. The low temperature control method for the isotope temperature difference battery wall face is characterized in that a heat exchange method employing a fitting surface for the heat exchange face of the isotope temperature difference surface is adopted; the fitting device is connected with a constant temperature circulator adopting liquid as the medium and isotope temperature difference recess heat is dissipated by utilizing cold medium circulating in the circulator. The invention has advantages of accurate temperature control, easy adjustment, safe and reliable use, low manufacture cost, low battery wall face temperature decrease speed and the like.
Description
Technical field
The invention belongs to isotope thermoelectric cell technical field, particularly relate to a kind of isotope thermoelectric cell wall low temperature control method.
Background technology
At present, isotope thermoelectric cell (RTG) is to utilize Seebeck effect that radioisotopic decay heat is directly changed into the transducer mount of electric energy, it is advantageous that: reliability is high, safety is good, the life-span is long, the electric output parameter remained stable for when cosmic space, and Maintenance free, not affected by environment yet.Being limited by deep space illumination condition, tradition solar cell is not adaptable to mission requirements, plays considerable role as power supply energy in the nontraditional space task such as moon exploration, survey of deep space.
Lunar surface environment condition is abnormal harsh, within a moon rotation period, has phase at moonlit night and the phase daytime moon of continuous 14 Earth Day, and phase at the moonlit night minimum temperature of moonscape is up to-190 DEG C.For verifying the reliability that isotope thermoelectric cell works in lunar environment, before transmitting, need to simulating the operational temperature conditions of isotope thermoelectric cell under moon night environment, isotope thermoelectric cell carries out output electric property can be tested.Moon exploration is about 25 DEG C with specific isotope thermoelectric cell at the wall surface temperature of moonlit night conditional operation state, therefore, certain temperature control measures need to be taked to make battery surface temperature be reduced to 25 DEG C.
Conventional isotope thermoelectric cell wall low temperature control method is for be placed in proof box or vacuum test cabin by battery, set up the heat sink of simulation moonlit night pole low temperature environment by being filled with liquid nitrogen in proof box or vacuum test cabin, reach the purpose of simulated battery moonlit night operating mode lower wall surface temperature.The method has the advantage of technology maturation, but there is temperature and become response lag, and cell wall surface temperature controls bigger error, and battery heat balance time is long, the problem that liquid nitrogen temperature control system is costly.
Summary of the invention
The present invention solves that the technical problem existed in known technology provides a kind of isotope thermoelectric cell wall low temperature control method.
It is an object of the invention to provide one and there is temperature precise control, it is easy to regulate, safe and reliable, and cost of manufacture is substantially reduced, reduce the isotope thermoelectric cell wall low temperature control method of the cell wall surface temperature speed feature such as faster.
Isotope thermoelectric cell wall surface temperature can be controlled battery actual wall surface temperature under moonlit night and deep space low temperature environment and the method for lower operating temperature by the present invention.
Wall surface temperature low temperature control method is according to isotope thermoelectric cell structure, the a kind of of design can with the device of battery surface heat-transfer surface laminating, it is characterized in: this device is connected with the constant temperature circulator being medium with liquid, utilizes the heat that the cold conditions medium quick dissipation battery of circulator's internal circulation flow is unnecessary.By adjusting circulator's control temperature, it is achieved the purpose that battery surface temperature is accurately controlled.
Isotope thermoelectric cell wall low temperature control method of the present invention is adopted the technical scheme that:
A kind of isotope thermoelectric cell wall low temperature control method, it is characterized in: the low temperature control of isotope thermoelectric cell wall, adopt and isotope temperature difference surface heat exchanging face laminating apparatus heat-exchange method, laminating apparatus is connected with the constant temperature circulator being medium with liquid, utilizes the heat that the cold conditions medium dissipation isotope temperature difference of circulator's internal circulation flow is unnecessary.
Isotope thermoelectric cell wall low temperature control method of the present invention can also adopt the following technical scheme that
Described isotope thermoelectric cell wall low temperature control method, it is characterized in: the inwall of laminating apparatus and isotope temperature difference sidewall fit tightly, laminating apparatus entirety is divided into the symmetrical semi-circular ring that two shapes are identical, semicircular ring joint leaves connecting screw hole, and inwall leaves groove and the close contact of battery sidewall projection.
Described isotope thermoelectric cell wall low temperature control method, is characterized in: semicircular ring is internal is hollow-core construction, and each semicircular ring is respectively arranged with a water inlet and an outlet, connects constant temperature circulator by flexible conduit, to form the circulation waterway of connection.
The present invention has the advantage that and has the benefit effect that
The technical scheme that isotope thermoelectric cell wall low temperature control method is brand-new owing to have employed the present invention, compared with prior art, compared with the present invention reduces isotope thermoelectric cell ambient temperature with liquid nitrogen, make cell wall surface temperature reduce by heat exchange to compare, recirculated water is utilized directly to reduce the temperature of the device that battery wall fits, by conduction of heat to reduce the method cooling rate of cell wall surface temperature faster, temperature precise control, it is easy to regulate；And method cost of manufacture is significantly less than liquid nitrogen passes into the foundation of system, effectively reduce the development cost of space exploration isotope thermoelectric cell.
Accompanying drawing explanation
Fig. 1 is the structural representation of the isotope thermoelectric cell low-temperature control device of the present invention.
In figure, 1-water inlet, 2-outlet, 3-two parts water route connector, 4-two parts connecting screw hole, 5-battery heat-transfer surface interface.
Detailed description of the invention
For the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example, and it be as follows to coordinate accompanying drawing to describe in detail:
Accompanying drawings 1
Embodiment 1
A kind of isotope thermoelectric cell wall low temperature control method, adopt and isotope temperature difference surface heat exchanging face laminating apparatus heat-exchange method, laminating apparatus is connected with the constant temperature circulator being medium with liquid, utilizes the heat that the cold conditions medium dissipation isotope temperature difference of circulator's internal circulation flow is unnecessary.
The inwall of laminating apparatus and isotope temperature difference sidewall fit tightly, and laminating apparatus entirety is divided into the symmetrical semi-circular ring that two shapes are identical, and semicircular ring joint leaves connecting screw hole, and inwall leaves groove and the close contact of battery sidewall projection.Semicircular ring is internal is hollow-core construction, and each semicircular ring is respectively arranged with a water inlet and an outlet, connects constant temperature circulator by flexible conduit, to form the circulation waterway of connection.
The concrete structure of the present embodiment and implementation process:
Isotope thermoelectric cell wall low temperature control method, adopts and carries out low temperature control with isotope temperature difference surface heat exchanging face laminating apparatus heat-exchange method.Laminating apparatus is by adopting the good metallic copper of heat conductivity to make, and structure is the annulus of height 124mm, external diameter Ф 232mm, internal diameter Ф 190mm.
For ease of installing and making device inwall and battery sidewall fit tightly, this device entirety is divided into the symmetrical semi-circular ring that two shapes are identical, and semicircular ring joint leaves connecting screw hole, and inwall leaves groove and the close contact of battery sidewall projection.
Device semicircular ring is internal is hollow-core construction, and each semicircular ring is respectively arranged with a water inlet and an outlet, is connected constant temperature circulator and device by flexible conduit, to form the circulation waterway of connection.
The connected mode of device and isotope thermoelectric cell is that two-part semicircular ring is closely buckled in the heat-transfer surface of battery outer surface according to the shape of respective slot, two-part semicircular ring is connected with heat-transfer surface with screw and locks, making device inwall and wall be in close contact.
In isotope thermoelectric cell test process, constant temperature circulator is set as the≤a certain temperature value of 25 DEG C, after cell wall surface temperature tends towards stability, desired temperature by regulating thermostatic circulator, isotope thermoelectric cell wall surface temperature is made to be stable at 25 DEG C, it is determined that and solidify the final set temperature value of constant temperature circulator.
The present embodiment utilizes recirculated water directly to reduce the temperature of the device that battery wall fits, and has temperature precise control, it is easy to regulate, safe and reliable, and cost of manufacture is substantially reduced, and reduces cell wall surface temperature speed and faster waits good effect.
Claims (3)
1. an isotope thermoelectric cell wall low temperature control method, it is characterized in that: the low temperature control of isotope thermoelectric cell wall, adopt and isotope temperature difference surface heat exchanging face laminating apparatus heat-exchange method, laminating apparatus is connected with the constant temperature circulator being medium with liquid, utilizes the heat that the cold conditions medium dissipation isotope temperature difference of circulator's internal circulation flow is unnecessary.
2. isotope thermoelectric cell wall low temperature control method according to claim 1, it is characterized in that: the inwall of laminating apparatus and isotope temperature difference sidewall fit tightly, laminating apparatus entirety is divided into the symmetrical semi-circular ring that two shapes are identical, semicircular ring joint leaves connecting screw hole, and inwall leaves groove and the close contact of battery sidewall projection.
3. isotope thermoelectric cell wall low temperature control method according to claim 2, it is characterized in that: semicircular ring is internal for hollow-core construction, each semicircular ring is respectively arranged with a water inlet and an outlet, connects constant temperature circulator by flexible conduit, to form the circulation waterway of connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410798825.2A CN105761772A (en) | 2014-12-19 | 2014-12-19 | Low temperature control method for isotope temperature difference battery wall face |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410798825.2A CN105761772A (en) | 2014-12-19 | 2014-12-19 | Low temperature control method for isotope temperature difference battery wall face |
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| CN105761772A true CN105761772A (en) | 2016-07-13 |
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| CN201410798825.2A Pending CN105761772A (en) | 2014-12-19 | 2014-12-19 | Low temperature control method for isotope temperature difference battery wall face |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657013A (en) * | 2019-10-21 | 2020-01-07 | 盐城工业职业技术学院 | Automobile exhaust silencing treatment mechanism and working method thereof |
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| CN200968744Y (en) * | 2006-10-19 | 2007-10-31 | 中国电子科技集团公司第十八研究所 | Hydrologic cycle small-sized temperature differential electric-controlled apparatus |
| CN201555667U (en) * | 2009-11-30 | 2010-08-18 | 中国电子科技集团公司第十八研究所 | Temperature uniformity test table |
| CN201788078U (en) * | 2010-07-26 | 2011-04-06 | 中国电子科技集团公司第十八研究所 | Temperature control platform used for temperature test |
| CN203133190U (en) * | 2012-12-24 | 2013-08-14 | 中国电子科技集团公司第十八研究所 | Thermoelectric refrigeration assembly aging screening automatic testing device |
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2014
- 2014-12-19 CN CN201410798825.2A patent/CN105761772A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200968744Y (en) * | 2006-10-19 | 2007-10-31 | 中国电子科技集团公司第十八研究所 | Hydrologic cycle small-sized temperature differential electric-controlled apparatus |
| CN201555667U (en) * | 2009-11-30 | 2010-08-18 | 中国电子科技集团公司第十八研究所 | Temperature uniformity test table |
| CN201788078U (en) * | 2010-07-26 | 2011-04-06 | 中国电子科技集团公司第十八研究所 | Temperature control platform used for temperature test |
| CN203133190U (en) * | 2012-12-24 | 2013-08-14 | 中国电子科技集团公司第十八研究所 | Thermoelectric refrigeration assembly aging screening automatic testing device |
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| 张建中 等: "同位素电池在探月及深孔探测工程中应用的战略研究", 《中国电子科学研究院学报》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110657013A (en) * | 2019-10-21 | 2020-01-07 | 盐城工业职业技术学院 | Automobile exhaust silencing treatment mechanism and working method thereof |
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Application publication date: 20160713 |