CN101191707A - Method for heating phase-change material heat storage unit adopting PTC thermistor - Google Patents
Method for heating phase-change material heat storage unit adopting PTC thermistor Download PDFInfo
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- CN101191707A CN101191707A CNA2006101626450A CN200610162645A CN101191707A CN 101191707 A CN101191707 A CN 101191707A CN A2006101626450 A CNA2006101626450 A CN A2006101626450A CN 200610162645 A CN200610162645 A CN 200610162645A CN 101191707 A CN101191707 A CN 101191707A
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Abstract
The present invention develops a method of heating phase-change material heat reservoir by a PTC thermistance and uses PTC thermistance (positive temperature coefficient thermistance) with the property of temperature sensibility; when the PTC thermistance excess a certain temperature, the resistance value of the PTC thermistance increases by step phase to resist current to pass through, thereby achieving the aim of stopping the phase-change material heat reservoir. The phase-change material heat reservoir is positioned on the upper part of the PTC thermistance heater; the power supply of the PTC thermistance is switch on to heat the phase-change material heat reservoir; the power supply of the PTC thermistance is cut off till the external temperature display of the phase-change material heat reservoir reaches the predetermined temperature. The phase-change material heat reservoir is moved to the lower part of the object which need to heat; the phase-change material in a container is changed to a solid state from a liquid state after heat release to achieve the aim of heating objects. The invention solves the problem that the heating temperature of the phase-change material heat reservoir keeps between the melting point temperature and the boiling point temperature of the phase-change material, thereby ensuring the safety of use and enlarging the using range of the phase-change material heat reservoir.
Description
Technical field
The present invention relates to the method for heating phase-change material thermal storage device, particularly a kind of method that adopts PTC thermistor heating phase-change material thermal storage device.
Background technology
Up-to-date phase-change material thermal storage device such as China Patent No. are No. 200520056663.1, notification number is CN2779325 number, the utility model patent name is called: " a kind of energy storage piece of realizing heat exchange " disclosed structure, in the closed container inner chamber, phase-change material is housed, its operation principle is through after the outer heater heating, phase-change material in the container becomes liquid condition after the solid state heat absorption, when heating for object as required, the phase-change material in the container becomes solid state after the liquid condition heat release.The shortcoming of said method is accurately to control the temperature that phase-change material in the container becomes external world's heating of liquid condition after the solid state heat absorption, if the temperature of extraneous heating surpasses the boiling point of phase-change material, has an accident probably.
Summary of the invention
The objective of the invention is at above-mentioned shortcoming, develop a kind of method of the PTC of employing thermistor heating phase-change material thermal storage device,, adopt PTC thermistor heating phase-change material thermal storage device in the outside of phase-change material thermal storage device.Operation principle is to utilize PTC thermistor (semistor) to have the feature of temperature sensitivity, when surpassing uniform temperature, the resistance value step of PTC thermistor increases, stop electric current to pass through, reach the purpose that stops the heating phase-change material thermal storage device, guarantee that phase-change material is lower than boiling point, the accident that prevents takes place.
The object of the present invention is achieved like this:
1, makes the container of phase-change material thermal storage device
Adopt the container of the plastic production phase-change heat storage device of metal, alloy material or heat conduction, the internal tank cavity of phase-change heat storage device, the phase-change material of can packing into is provided with airtight lid for container at the suitable position of container, makes the phase-change material in the container internal cavity of packing into be in sealed environment.Be provided with vessel temp display and safety valve in the external container appropriate location.
2, select phase-change material
Hand over the heating agent amboceptor according to the phase-change material that the demand in market selects the various prior aries of different boiling to make as the heat of phase-change material thermal storage device.
3, select the PTC thermistor
Different according to the fusing point of phase-change material in the phase-change material thermal storage device and boiling point select different types of PTC thermistor as heating source, and the heating-up temperature of PTC thermistor is remained between the fusing point and boiling temperature of phase-change material, guarantee safety.
The phase-change material of above-mentioned selection is packed in the container internal cavity of phase-change material thermal storage device, cover tight airtight lid for container, make the container secure seal.The phase-change material thermal storage device is placed on to choose puts PTC thermistor top, connect the power supply of PTC thermistor, begin the phase-change material thermal storage device is heated, phase-change material in the container becomes liquid condition after the solid state heat absorption, reach predetermined temperature up to phase-change material thermal storage device external temperature display, disconnect the power supply of PTC thermistor.The phase-change material thermal storage device is moved to the underbody that needs heating, and the phase-change material in the container becomes solid state after the liquid condition heat release, reach the purpose of heating object.
Owing to adopt the present invention, solved phase-change material thermal storage device heating-up temperature and remained between the fusing point and boiling temperature of phase-change material, guarantee safe in utilizationly, enlarged the phase-change heat storage device scope of application.
Specific embodiments
Adopting aluminum alloy materials die casting diameter is 150 millimeters, the container of high 100 millimeters phase-change material thermal storage device, the internal tank cavity of phase-change material thermal storage device, the phase-change material of can packing into, suitable position at container is provided with airtight lid for container, makes the phase-change material in the container internal cavity of packing into be in sealed environment.Be provided with vessel temp display and safety valve in the external container appropriate location.Selecting molten point is that 167 ℃ and boiling point are that 296 ℃ organic phase change material is handed over the heating agent amboceptor as the heat of phase-change material thermal storage device.The PTC thermistor of selecting 250 ℃ of automatic constant-temperatures remains between the fusing point and boiling temperature of phase-change material the heating-up temperature of PTC thermistor as heating source, guarantees safety.The phase-change material of above-mentioned selection is packed in the container internal cavity of phase-change material thermal storage device, cover tight airtight lid for container, make the container secure seal.The phase-change material thermal storage device is placed on to choose puts PTC thermistor top, connect the power supply of PTC thermistor, begin the phase-change material thermal storage device is heated, phase-change material in the container becomes liquid condition after the solid state heat absorption, reach predetermined temperature up to phase-change material thermal storage device external temperature display, disconnect the power supply of PTC thermistor.The phase-change material thermal storage device is moved to the underbody that needs heating, and the phase-change material in the container becomes solid state after the liquid condition heat release, reach the purpose of heating object.
Claims (1)
1. adopt the method for PTC thermistor heating phase-change material thermal storage device, it is characterized in that:
The container of a, making phase-change material thermal storage device
Adopt the container of the plastic production phase-change material thermal storage device of metal, alloy material or heat conduction, the internal tank of phase-change material thermal storage device is provided with cavity, the phase-change material of can packing into, suitable position at container is provided with airtight lid for container, make the phase-change material in the container internal cavity of packing into be in sealed environment, be provided with vessel temp display and safety valve in the external container appropriate location;
B, selection phase-change material
Hand over the heating agent amboceptor according to the phase-change material that the demand in market selects the various prior aries of different boiling to make as the heat of phase-change material thermal storage device;
C, selection PTC thermistor
Different according to the fusing point of phase-change material in the phase-change material thermal storage device and boiling point select different types of PTC thermistor as heating source, and the heating-up temperature of PTC thermistor is remained between the fusing point and boiling temperature of phase-change material, guarantee safety;
The phase-change material of above-mentioned selection is packed in the container internal cavity of phase-change material thermal storage device, cover tight airtight lid for container, make the container secure seal, the phase-change material thermal storage device is placed on the top of PTC thermistor heater, connect the power supply of PTC thermistor, begin the phase-change material thermal storage device is heated, phase-change material in the container becomes liquid condition after the solid state heat absorption, reach predetermined temperature up to phase-change heat storage device external temperature display, disconnect the power supply of PTC thermistor, the phase-change material thermal storage device is moved to the underbody that needs heating, and the phase-change material in the container becomes solid state after the liquid condition heat release, reach the purpose of heating object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101626450A CN101191707A (en) | 2006-11-29 | 2006-11-29 | Method for heating phase-change material heat storage unit adopting PTC thermistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101626450A CN101191707A (en) | 2006-11-29 | 2006-11-29 | Method for heating phase-change material heat storage unit adopting PTC thermistor |
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| CN101191707A true CN101191707A (en) | 2008-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2006101626450A Pending CN101191707A (en) | 2006-11-29 | 2006-11-29 | Method for heating phase-change material heat storage unit adopting PTC thermistor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674777A (en) * | 2016-01-25 | 2016-06-15 | 云南科威液态金属谷研发有限公司 | Intelligent device based on liquid metal |
| CN108361072A (en) * | 2018-03-10 | 2018-08-03 | 丁国彪 | A kind of single cylinder pneumatic motor |
| CN108361071A (en) * | 2018-03-10 | 2018-08-03 | 丁国彪 | A kind of compressed air engine |
| CN108361070A (en) * | 2018-03-10 | 2018-08-03 | 丁国彪 | A kind of adjustable adaptive compressed air engine of output pressure |
| CN108533330A (en) * | 2018-03-10 | 2018-09-14 | 丁国彪 | A kind of intelligent pneumatic power engine |
| CN114007284A (en) * | 2021-11-04 | 2022-02-01 | 王怀东 | PTC heater |
-
2006
- 2006-11-29 CN CNA2006101626450A patent/CN101191707A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674777A (en) * | 2016-01-25 | 2016-06-15 | 云南科威液态金属谷研发有限公司 | Intelligent device based on liquid metal |
| CN108361072A (en) * | 2018-03-10 | 2018-08-03 | 丁国彪 | A kind of single cylinder pneumatic motor |
| CN108361071A (en) * | 2018-03-10 | 2018-08-03 | 丁国彪 | A kind of compressed air engine |
| CN108361070A (en) * | 2018-03-10 | 2018-08-03 | 丁国彪 | A kind of adjustable adaptive compressed air engine of output pressure |
| CN108533330A (en) * | 2018-03-10 | 2018-09-14 | 丁国彪 | A kind of intelligent pneumatic power engine |
| CN108361072B (en) * | 2018-03-10 | 2020-08-07 | 温州雪榕机械科技有限公司 | Single-cylinder pneumatic motor |
| CN108361070B (en) * | 2018-03-10 | 2020-08-07 | 温州雪榕机械科技有限公司 | Output pressure adjustable self-adaptation pneumatic engine |
| CN108361071B (en) * | 2018-03-10 | 2020-08-07 | 温州雪榕机械科技有限公司 | Pneumatic engine |
| CN108533330B (en) * | 2018-03-10 | 2020-09-08 | 马鞍山威莎自动化设备科技有限公司 | Intelligent pneumatic engine |
| CN114007284A (en) * | 2021-11-04 | 2022-02-01 | 王怀东 | PTC heater |
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Addressee: Deng Zhixiong Document name: Notification before expiration of term |
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| DD01 | Delivery of document by public notice |
Addressee: Chen Jinbiao Document name: Review of business letter |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080604 |