CN102273848A - physical constant temperature bed and manufacturing method thereof - Google Patents
physical constant temperature bed and manufacturing method thereof Download PDFInfo
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- CN102273848A CN102273848A CN 201110132863 CN201110132863A CN102273848A CN 102273848 A CN102273848 A CN 102273848A CN 201110132863 CN201110132863 CN 201110132863 CN 201110132863 A CN201110132863 A CN 201110132863A CN 102273848 A CN102273848 A CN 102273848A
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Abstract
The invention relates to a physical constant temperature bed comprising a bed body support and a physical constant temperature bed mattress, wherein the physical constant temperature bed mattress and the bed body support are assembled together, the physical constant temperature bed mattress comprises a mask bag and a cushion layer, wherein the cushion layer is composed of a thermostat, a thermal insulating layer and a protective layer, the thermal insulating layer is arranged below the thermostat, the protective layer is used for wrapping and connecting the thermal insulating layer with the periphery of the thermostat, and the mask bag encloses the cushion layer into the mask bag. A packaging bag of the thermostat is a closed bag made of an airproof, leakproof high-strength material and is divided into 4-30 strip-type bags by virtue of 3-29 partition walls, and an energy storage material is filled in the strip-type bags. The energy storage material comprises the components such as mirabilite, sodium hyposulphite, anhydrous sodium sulphate, sodium carboxymethylcellulose and distilled water. When a human body touches the thermostat, the energy storage material absorbs heat, is subjected to phase change and then is melted, and when the human body leaves the thermostat, heat is dissipated and the energy storage material returns to a solid state, thus the physical constant temperature bed provided by the invention is safe to use, produces no pollution, requires no additional energy source and is durable.
Description
Technical field
The present invention relates to daily necessities, particularly a kind of physics constant temperature bed and manufacture method thereof that protects the health.
Background technology
Now, the people of hot summer are using straw mat, bamboo mat ... want the bed in summer is become nice and cool, the people in winter that snowflake is disorderly are using hot-water bag, electric heating felt ... want winter bed become and warm up.But product on the market can not satisfy people's real needs.Electricity consumption refrigeration or heating realize required dangerous and not energy-conserving and environment-protective.
Under the higher environment of temperature, the people knows from experience the very uncomfortable sensation of generation, and people adopt mats such as traditional straw mat, bamboo mat, bamboo pad, water cushion to manage to make the heat of human body to distribute usually, reach the body sense of human comfort.The requirement that traditional mat constant temperature, cooling-down effect can not satisfy people's cooling realizes purpose so there is the people to invent by means such as fan, circulating air, recirculated water, refrigeration, also brings corresponding energy resource consumption simultaneously.In order to reduce energy resource consumption, the someone invent utilize material when temperature improves in a large number the method for physics heat absorption be used on the mat and lower the temperature.For example application number is 92208269.3, denomination of invention discloses for the patent document of " a kind of constant temperature pad made from plastic cement ", its technical scheme mainly is made up of soft can and thermal medium, soft can is made by the plastic material one-shot forming, its cavity shape is bar shaped arranged side by side, covered one deck lining on soft can, thermal medium adopts U-Ramin MC solution.This scheme realizes to the purpose of human body than comfort by a large amount of storing heat of the material of the high heat capacity programming rate that slows down.Prior art still exists can not effectively keep constant temperature, prolong constant temperature service time, prolong life of product, technological deficiency safe in utilization.
Summary of the invention
In order to solve the technological deficiency that prior art exists, the object of the present invention is to provide a kind of physics constant temperature bed and manufacture method thereof, it is different from the principle of utilizing a large amount of heat absorptions of material slowly to heat up of prior art, but adopt material phase transformation heat absorption principle to come steady temperature, has direct use, utilize the reach a high temperature heat absorption, low temperature of physics usefulness warming, need not other energy refrigeration or heating.Sit to crouch in summer and promptly can discharge the slight chill in the air of wire vent silk, bring the sensation of nice and cool whole body then in the physics constant temperature bed several seconds.Sit to crouch in winter and promptly can become and warm up in 20 to 30 minutes at physics constant temperature bed.Long-term use not only can effectively reduce the low temperature disease that air-conditioning, fan cause, improve insomnia and night night sweat, clearly refresh oneself, stimulate the circulation of the blood and cause the muscles and joints to relax, eliminate fatigue, the physics physiotheraping effect is arranged having a pain in the back, and safe in utilization, pollution-free, need not additional source of energy, durable in use.
To achieve these goals, technical scheme of the present invention is:
A kind of physics constant temperature bed; constitute by bed body support frame and physics constant temperature mattress; the physics constant temperature mattress is assembled together with the bed body support frame; it is characterized in that: described physics constant temperature mattress comprises face shield bag and bed course; wherein: bed course is made of thermostat, thermal insulation layer and protective layer; thermal insulation layer is set below thermostat, and protective layer links together parcel around thermal insulation layer and the thermostat, and face shield bag one side is provided with zip bed course is enclosed in the face shield bag.
The face shield bag constitutes below face shield bag leading flank, face shield bag trailing flank, face shield bag left surface, face shield bag right flank, grid and face shield bag, the position of the corresponding thermostat of grid is made into by the silk thread material, and grid and face shield bag leading flank, face shield bag trailing flank, face shield bag left surface, face shield bag right flank link together.
Insulating layer material is coconut palm palm fibre, mountain palm fibre or sponge.
Thermostat is made of energy-accumulation material and packaging bag, and packaging bag is the closing bag shape of air tight antiseep high-strength material, is cut off by the 3-29 road to be separated into 4-30 bar shaped bag, fills energy-accumulation material in the bar shaped bag.
The energy-accumulation material composition is by weight percentage: saltcake 25-45, dodium thiosulfate 20-25, glauber salt 20-25, sodium carboxymethylcellulose 5-10, distilled water 10-15.
Bag material is the nylon cloth of polyvinyl chloride or coating rubber and plastic glue-line.
Make the method for physics constant temperature mattress, the steps include:
A. the energy-accumulation material composition is made of following raw materials by weight percent: saltcake 25-45, dodium thiosulfate 20-25, glauber salt 20-25, sodium carboxymethylcellulose 5-10, distilled water 10-15;
B. earlier by weight percentage distilled water 10-15 and sodium carboxymethylcellulose 5-10 are placed reactor, stirring and be warming up to 70 ℃-90 ℃ kept 0.5 hour-1 hour, again percentage by weight saltcake 25-45, dodium thiosulfate 20-25, glauber salt 20-25 are placed reactor, stirring is warming up to 50 ℃-60 ℃ and kept 0.5 hour-1 hour, be cooled to 40 ℃-45 ℃ then, be filled in the packaging bag of thermostat after inspection by sampling is qualified;
Packaging bag is the nylon cloth of high-intensity polyvinyl chloride of air tight antiseep or coating rubber and plastic glue-line, the profile cutting of pressing seat cushion is in blocks, three limit high frequency heat seal bondings wherein are firm, packaging bag is cut off 4-30 bar shaped bag of formation in heat seal 3-29 road again, then, fill energy-accumulation material in 4-30 bar shaped bag, last, the heat sealing bonding firmly becomes thermostat;
C., thermal insulation layer is set below thermostat, constitutes bed course by protective layer with linking together around thermal insulation layer and the thermostat, bed course is placed in the face shield bag, make the grid of the thermostat of bed course towards the face shield bag, the face shield bag is enclosed in bed course in the face shield bag.
Described saltcake (Disodium sulfate decahydrate Na2SO410H2O); [another name] sodium sulphate, saltcake; [outer literary fame] Sodium Sulfate; A kind of distribution of saltcake is sulfate mineral very widely, is the crystalline solid that Sulfates mineral saltcake forms through processing and refining.
Described sodium carboxymethylcellulose claims carboxymethyl cellulose again; English full name: Carboxyl methyl Cellulose; The English abbreviation: CMC; Molecular formula: [C6H7O2 (OH) 2CH2COONa] n.
Described glauber salt: chemicals Chinese: sodium sulphate (Na2SO4); Chemicals English name: sodium sulfate, anhydrous; Chinese: thenardite; Chinese (another name): glauber salt.
Described dodium thiosulfate: Chinese: sodium thiosulfate, dodium thiosulfate, Sodium Thiosulfate, five water sodium thiosulfate; English name: Sodium thiosulphate.
Material of the present invention is all commercially available.
Energy-accumulation material of the present invention is made by above-mentioned preparation method by saltcake, dodium thiosulfate, glauber salt, sodium carboxymethylcellulose and distilled water, the form size is as the grain of rice, meet more than heat 30 degree Celsius liquefy gradually, fall after rise below 28 degree Celsius, return to the solid forms (be commonly called as sorbet) of size, have heat absorption and distribute refrigerant effect as the grain of rice; Energy-accumulation material is filled in the packaging bag of described thermostat, lay the thermal insulation layer of making by coconut palm palm fibre or mountain palm fibre or sponge material again in thermostat bottom, to link together around thermal insulation layer and the thermostat by protective layer, to the bed course that constitutes that link together around thermal insulation layer and the thermostat be placed in the face shield bag by protective layer, the face shield bag will be enclosed in the face shield bag by the bed course that thermostat, thermal insulation layer and parcel thermal insulation layer protective layer constitute again; Because the thermal insulation layer of thermostat bottom is unlikely to the protecting energy of the energy-accumulation material in the thermostat to run off from the thermostat bottom, again because the face shield bag position of thermostat top correspondence is a clathrum, the energy of energy-accumulation material absorbs or distributes from clathrum in the thermostat, utilize the variation of environment temperature, more than daytime temperature 30 degree, energy-accumulation material absorbs heat energy and is liquid state by solid-state gradating, at this moment, if people sit and crouch on physics constant temperature mattress of the present invention, energy-accumulation material absorbs people's heat energy on one's body, people have feel cool on one's body, and people enjoy feel cool in the environment of sweltering heat, can refresh oneself, eliminate tired; Nighttime temperature falls back to below 28 degree Celsius, and energy-accumulation material distributes heat energy and gradated to solid-state by liquid state, goes round and begins again.
Beneficial effect of the present invention: owing to adopt above-mentioned technical scheme, when human body contacts on the physics constant temperature mattress of the present invention, the temperature of physics constant temperature mattress of the present invention and human body is variant, mattress absorbs heat under the effect of human body temperature, the sustainable balance that can reach the temperature of mattress and human body in 6 hours of each use, because action of thermal difference can promote the blood circulation of human body to reach and stimulate the circulation of the blood and cause the muscles and joints to relax, and eliminates tired; After human body leaves physics constant temperature mattress of the present invention,, recover solid-state if want the ice bag of accelerating in the physics constant temperature mattress of the present invention along with the variation automatic heat radiation recovery of environment temperature is solid-state, can the In Shade effect of physics constant temperature mattress of the present invention is faster; Energy-accumulation material pH in the thermostat in the physics constant temperature mattress of the present invention is neutral, nontoxic, tasteless, nothing corruption, harmless, high temperature resistance, and the pressure that can bear 150 kilograms does not leak; Facts have proved that the male sex is long-term uses physics constant temperature mattress of the present invention can effectively reduce prostatitis, hemorrhoid etc. is helped the effect of rehabilitation; The driver is long-term to use physics constant temperature mattress of the present invention can keep nice and cool refresh oneself, eliminate tired, safe driving; A kind of physics constant temperature mattress of the present invention is shared in office household, school, tourism, to the satisfaction of all; Durable in use, can use repeatedly; Physics constant temperature mattress of the present invention can be that single double or many people's mattress, particularly pregnant woman, baby and the elderly uses and can remedy air-conditioning and fan to uncomfortable, improves insomnia in summer and perspiration at night.
The present invention is different from the principle of utilizing a large amount of heat absorptions of material slowly to heat up of prior art, but adopt material phase transformation heat absorption principle to come steady temperature, have direct use, utilize the reach a high temperature heat absorption, low temperature of physics usefulness warming, need not other energy refrigeration or heating.Sit to crouch in summer and promptly can discharge the slight chill in the air of wire vent silk, bring the sensation of nice and cool whole body then in the physics constant temperature bed several seconds.Sit to crouch in winter and promptly can become and warm up in 20 to 30 minutes at physics constant temperature bed.Long-term use not only can effectively reduce the low temperature disease that air-conditioning, fan cause, improve insomnia and night night sweat, clearly refresh oneself, stimulate the circulation of the blood and cause the muscles and joints to relax, eliminate fatigue, the physics physiotheraping effect is arranged having a pain in the back, and safe in utilization, pollution-free, need not additional source of energy, durable in use.
Description of drawings
Fig. 1 is the organigram of physics constant temperature bed of the present invention.
Fig. 2 is the physics constant temperature mattress profile schematic diagram of physics constant temperature bed of the present invention.
Fig. 3 is the organigram of the physics constant temperature mattress of physics constant temperature bed of the present invention.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is that the physics constant temperature mattress of physics constant temperature bed of the present invention is by the organigram of protective layer with the bed course that constitutes of linking together around thermal insulation layer and the thermostat.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is the face shield pocket structure figure of the physics constant temperature mattress of physics constant temperature bed of the present invention.
Fig. 8 is the vertical view of Fig. 7.
Label in the accompanying drawing:
The bed body support frame, 20. physics constant temperature mattresses, 21. face shield bags; 22. thermostat, 23. energy-accumulation materials, 24. thermal insulation layers; 25. protective layer, 26. cut off 27. face shield bag leading flanks; 28. face shield bag left surface; 29. face shield bag right flank, 210. face shield bag trailing flanks, 211. grids; 212. below the face shield bag, 213. zips.
The specific embodiment
Be further described below in conjunction with the specific embodiment of Figure of description physics constant temperature bed of the present invention.
As Fig. 1-shown in Figure 8; physics constant temperature bed of the present invention; constitute by bed body support frame 10 and physics constant temperature mattress 20; physics constant temperature mattress 20 is assembled together with bed body support frame 10; described physics constant temperature mattress 20 comprises face shield bag 21 and bed course; wherein: bed course is by thermostat 22; thermal insulation layer 24 and protective layer 25 constitute; thermal insulation layer 24 is set below thermostat 22; the material of thermal insulation layer 24 can be selected the coconut palm palm fibre for use; monofilament class materials such as mountain palm fibre; also can select sponge class A foam A material for use; utilize them to have certain elasticity and thermal and insulating performance; protective layer 25 links together all around parcel of thermal insulation layer 24 with thermostat 22; constitute the main body of physics constant temperature mattress 20, face shield bag 21 1 sides are provided with zip 213 bed course are enclosed in the face shield bag 21.
Thermostat 22 is made of energy-accumulation material 23 and packaging bag, bag material can be selected the air tight antiseep high-strength materials such as nylon cloth of polyvinyl chloride or coating rubber and plastic glue-line for use, packaging bag is the closing bag shape, cut off 26 by the 3-29 road and be separated into 4-30 bar shaped bag, fill energy-accumulation material 23 in the bar shaped bag, be separated into that the bar shaped bag can prevent that energy-accumulation material 23 from moving under human body weight pressure in bag and plane distribution is inhomogeneous, influence result of use.Energy-accumulation material 23 compositions are by weight percentage: saltcake 25-45, dodium thiosulfate 20-25, glauber salt 20-25, sodium carboxymethylcellulose 5-10, distilled water 10-15, the phase transition temperature of energy-accumulation material 23 is lower than human body temperature, when energy-accumulation material 23 reaches its phase transition temperature after absorbing the human heat, from solid-state thawing is liquid, the human heat is become be latent heat, keeps the constant comfortable body sense of human body temperature, after human body leaves, energy-accumulation material 23 is under the condition that is lower than its phase transition temperature, and energy-accumulation material 23 discharges latent heat, recovers to become solid-state from liquid state.So just make this mat need not the external world energy is provided, just can be implemented as the purpose of body temperature lowering.
Make the method for above-mentioned physics constant temperature mattress, the steps include:
A. the energy-accumulation material composition is made of following raw materials by weight percent: saltcake 25-45, dodium thiosulfate 20-25, glauber salt 20-25, sodium carboxymethylcellulose 5-10, distilled water 10-15;
B. earlier by weight percentage distilled water 10-15 and sodium carboxymethylcellulose 5-10 are placed reactor, stirring and be warming up to 70 ℃-90 ℃ kept 0.5 hour-1 hour, again percentage by weight saltcake 25-45, dodium thiosulfate 20-25, glauber salt 20-25 are placed reactor, stirring is warming up to 50 ℃-60 ℃ and kept 0.5 hour-1 hour, be cooled to 40 ℃-45 ℃ then, be filled in the packaging bag of thermostat 22 after inspection by sampling is qualified;
Packaging bag is the nylon cloth of high-intensity polyvinyl chloride of air tight antiseep or coating rubber and plastic glue-line, profile cutting on demand is in blocks, three limit high frequency heat seal bondings wherein are firm, packaging bag is cut off 4-30 bar shaped bag of formation in heat seal 3-29 road again, then, fill energy-accumulation material 23 in 4-30 bar shaped bag, last, the heat sealing bonding firmly becomes thermostat 22;
C., thermal insulation layer 24 is set below thermostat 22; by protective layer 25 thermal insulation layer 24 and linking together of thermostat 22 are constituted bed course all around; bed course is placed in the face shield bag 21; make the grid 211 of the thermostat 22 of bed course towards the face shield bag; face shield bag 21 1 sides are provided with zip 213; with zip 213 bed course is enclosed in the face shield bag 21, forms physics constant temperature mattress 20 finished products.
The finished product that the embodiment of physics constant temperature bed of the present invention forms is different from the principle of utilizing a large amount of heat absorptions of material slowly to heat up of prior art, but adopt material phase transformation heat absorption principle to come steady temperature, has direct use, utilize the reach a high temperature heat absorption, low temperature of physics usefulness warming, need not other energy refrigeration or heating.Sit to crouch in summer and promptly can discharge the slight chill in the air of wire vent silk, bring the sensation of nice and cool whole body then in the physics constant temperature bed several seconds.Sit to crouch in winter and promptly can become and warm up in 20 to 30 minutes at physics constant temperature bed.Long-term use not only can effectively reduce the low temperature disease that air-conditioning, fan cause, improve insomnia and night night sweat, clearly refresh oneself, stimulate the circulation of the blood and cause the muscles and joints to relax, eliminate fatigue, the physics physiotheraping effect is arranged having a pain in the back, and safe in utilization, pollution-free, need not additional source of energy, durable in use.
More than one embodiment of the present of invention are had been described in detail, but described content only is preferred embodiment of the present invention, can not be considered to be used to limit practical range of the present invention.All equalizations of doing according to the present patent application scope change and improve etc., all should still belong within the patent covering scope of the present invention.
Claims (7)
1. physics constant temperature bed; constitute by bed body support frame and physics constant temperature mattress; the physics constant temperature mattress is assembled together with the bed body support frame; it is characterized in that: described physics constant temperature mattress comprises face shield bag and bed course; bed course is made of thermostat, thermal insulation layer and protective layer; thermal insulation layer is set below thermostat, and protective layer links together parcel around thermal insulation layer and the thermostat, and the face shield bag is enclosed in bed course in the face shield bag.
2. physics constant temperature bed according to claim 1, it is characterized in that: the face shield bag constitutes below face shield bag leading flank, face shield bag trailing flank, face shield bag left surface, face shield bag right flank, grid and face shield bag, the position of the corresponding thermostat of grid is made into by the silk thread material, and grid and face shield bag leading flank, face shield bag trailing flank, face shield bag left surface, face shield bag right flank link together.
3. physics constant temperature bed according to claim 1 is characterized in that: insulating layer material is coconut palm palm fibre, mountain palm fibre or sponge.
4. physics constant temperature bed according to claim 1, it is characterized in that: thermostat is made of energy-accumulation material and packaging bag, packaging bag is the closing bag shape of air tight antiseep high-strength material, is cut off by multiple tracks to be separated into 4-30 bar shaped bag, fills energy-accumulation material in the bar shaped bag.
5. physics constant temperature bed according to claim 4 is characterized in that: the energy-accumulation material composition by weight percentage: saltcake 25-45, dodium thiosulfate 20-25, glauber salt 20-25, sodium carboxymethylcellulose 5-10, distilled water 10-15.
6. physics constant temperature bed according to claim 4 is characterized in that: bag material is the nylon cloth of polyvinyl chloride or coating rubber and plastic glue-line.
7. make the method for physics constant temperature mattress, it is characterized in that:
A. the energy-accumulation material composition is made of following raw materials by weight percent: saltcake 25-45, dodium thiosulfate 20-25, glauber salt 20-25, sodium carboxymethylcellulose 5-10, distilled water 10-15;
B. earlier by weight percentage distilled water 10-15 and sodium carboxymethylcellulose 5-10 are placed reactor, stirring and be warming up to 70 ℃-90 ℃ kept 0.5 hour-1 hour, again percentage by weight saltcake 25-45, dodium thiosulfate 20-25, glauber salt 20-25 are placed reactor, stirring is warming up to 50 ℃-60 ℃ and kept 0.5 hour-1 hour, be cooled to 40 ℃-45 ℃ then, be filled in the packaging bag of thermostat after inspection by sampling is qualified;
Packaging bag is the nylon cloth of high-intensity polyvinyl chloride of air tight antiseep or coating rubber and plastic glue-line, the profile cutting of pressing cushion is in blocks, three limit high frequency heat seal bondings wherein are firm, packaging bag is cut off 4-30 bar shaped bag of formation in heat seal 3-29 road again, then, fill energy-accumulation material in 4-30 bar shaped bag, last, the heat sealing bonding firmly becomes thermostat;
C., thermal insulation layer is set below thermostat, constitutes bed course by protective layer with linking together around thermal insulation layer and the thermostat, bed course is placed in the face shield bag, make the grid of the thermostat of bed course towards the face shield bag, the face shield bag is enclosed in bed course in the face shield bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110132863 CN102273848A (en) | 2011-05-23 | 2011-05-23 | physical constant temperature bed and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110132863 CN102273848A (en) | 2011-05-23 | 2011-05-23 | physical constant temperature bed and manufacturing method thereof |
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| CN102273848A true CN102273848A (en) | 2011-12-14 |
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| CN 201110132863 Pending CN102273848A (en) | 2011-05-23 | 2011-05-23 | physical constant temperature bed and manufacturing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103767391A (en) * | 2014-02-20 | 2014-05-07 | 苏州大学 | Temperature-adjustable thermostatic pad warm in winter and cool in summer |
| CN104305766A (en) * | 2014-10-10 | 2015-01-28 | 邱清泉 | Cooling mattress |
| CN105674446A (en) * | 2016-01-05 | 2016-06-15 | 青岛海尔空调器有限总公司 | Constant-temperature bed type air conditioner and control method thereof |
| CN107569037A (en) * | 2017-09-10 | 2018-01-12 | 中山金智华宝生化科技有限公司 | Physical phase transition constant-temp. health pillow and preparation method thereof |
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| CN2127581Y (en) * | 1992-04-24 | 1993-03-03 | 孙宝华 | Self-cooling mattress |
| CN2202666Y (en) * | 1994-10-27 | 1995-07-05 | 王良生 | Energy-storage thermal-insulating cool pad |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2127581Y (en) * | 1992-04-24 | 1993-03-03 | 孙宝华 | Self-cooling mattress |
| CN2202666Y (en) * | 1994-10-27 | 1995-07-05 | 王良生 | Energy-storage thermal-insulating cool pad |
Non-Patent Citations (1)
| Title |
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| 《化工时刊》 19980430 韩毓华; 陈立伟 芒硝系太阳能蓄热剂 , 第4期 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103767391A (en) * | 2014-02-20 | 2014-05-07 | 苏州大学 | Temperature-adjustable thermostatic pad warm in winter and cool in summer |
| CN103767391B (en) * | 2014-02-20 | 2016-05-25 | 苏州大学 | A kind of constant-temp. cushion of temp. controllable cool in summer and warm in winter |
| CN104305766A (en) * | 2014-10-10 | 2015-01-28 | 邱清泉 | Cooling mattress |
| CN105674446A (en) * | 2016-01-05 | 2016-06-15 | 青岛海尔空调器有限总公司 | Constant-temperature bed type air conditioner and control method thereof |
| CN105674446B (en) * | 2016-01-05 | 2019-10-01 | 青岛海尔空调器有限总公司 | A kind of constant temperature bed air conditioner and its control method |
| CN107569037A (en) * | 2017-09-10 | 2018-01-12 | 中山金智华宝生化科技有限公司 | Physical phase transition constant-temp. health pillow and preparation method thereof |
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Application publication date: 20111214 |