CN112890520A - Phase-change temperature-adjusting seat cover - Google Patents
Phase-change temperature-adjusting seat cover Download PDFInfo
- Publication number
- CN112890520A CN112890520A CN202110174612.2A CN202110174612A CN112890520A CN 112890520 A CN112890520 A CN 112890520A CN 202110174612 A CN202110174612 A CN 202110174612A CN 112890520 A CN112890520 A CN 112890520A
- Authority
- CN
- China
- Prior art keywords
- phase change
- phase
- heat
- seat cover
- microtube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005338 heat storage Methods 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000005485 electric heating Methods 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 10
- 239000003094 microcapsule Substances 0.000 claims description 10
- 238000005187 foaming Methods 0.000 claims description 5
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 230000001143 conditioned effect Effects 0.000 claims 9
- 238000009825 accumulation Methods 0.000 claims 2
- 230000007704 transition Effects 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 8
- 239000012782 phase change material Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- RZJRJXONCZWCBN-UHFFFAOYSA-N octadecane Chemical compound CCCCCCCCCCCCCCCCCC RZJRJXONCZWCBN-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000012224 working solution Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000037081 physical activity Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011257 shell material Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/10—Loose or removable furniture covers
- A47C31/11—Loose or removable furniture covers for chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/62—Accessories for chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/62—Accessories for chairs
- A47C7/72—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like
- A47C7/74—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like for ventilation, heating or cooling
- A47C7/748—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like for ventilation, heating or cooling for heating
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
The invention discloses a phase-change temperature-adjusting seat cover which comprises a protective sleeve, wherein a piezoelectric sheet, a phase-change heat supply device and a power supply device are arranged in the protective sleeve, the phase-change heat supply device comprises a heat supply micro-pipe, a heat storage micro-pipe, a liquid supply pipe, a circulating pump, a phase-change heat storage layer and an electric heating device, the heat storage micro-pipe is arranged in the phase-change heat storage layer, the bottom of the heat storage micro-pipe is connected with the electric heating device, the power supply device comprises a time delay relay, the heat supply micro-pipe is connected with the heat storage micro-pipe through the liquid. The invention is simple and easy to implement, the constant temperature adjustment work of the seat is realized by modifying the existing seat with lower cost, and the thermal comfort degree of the human body on the seat is improved with extremely low energy consumption; when a person sits on the seat, the human body moving energy is used for generating electric energy, the piezoelectric piece at the moment is equivalent to a human body detection sensor, and the generated electric energy drives the relay to act on one hand, so that the circulating pump is driven, and the heat supply is realized.
Description
Technical Field
The invention relates to a seat cover, in particular to a phase-change temperature-adjusting seat cover.
Background
With the development of modern society, public transportation plays an important role more and more. The urban public transport is developed, so that the personnel communication can be promoted, and the people can conveniently flow. And is also an important way for reducing fossil energy consumption and environmental pollution. As an important component and an important supporting facility of a public transportation system, the running and comfort conditions of a waiting hall are still further enhanced, in particular to a waiting hall seat. The seats of a plurality of stations are overhauled all the year round, some seats are made of steel materials, the seats are damp and hot in summer and cold in winter, the seats are crossed in comfort level, a waiting hall is often a large space, an air outlet of an air conditioner is high, and the whole space is difficult to take into account.
The existing chair cushion has a complex structure, an additional temperature sensor is needed to identify the actual temperature of the chair cushion, the heat supply energy consumption is large, and the cost is high; meanwhile, the utility model can not meet the use requirements of seats with different specifications.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects of the prior art, the invention aims to provide the phase-change temperature-adjusting seat cover which is low in energy consumption, high in energy utilization rate and strong in compatibility.
The technical scheme is as follows: the invention relates to a phase-change temperature-adjusting seat cover which comprises a protective sleeve, wherein a piezoelectric sheet, a phase-change heat supply device and a power supply device are arranged in the protective sleeve, the phase-change heat supply device comprises a heat supply micro-tube, a heat storage micro-tube, a liquid supply tube, a circulating pump, a phase-change heat storage layer and an electric heating device, the heat storage micro-tube is arranged in the phase-change heat storage layer, the bottom of the heat storage micro-tube is connected with the electric heating device, the power supply device comprises a time delay relay, the heat supply micro-tube is connected with the heat storage micro-tube through the. The heat supply device can store the required heat and supply the heat when the human body needs the heat. The high-efficiency heat transfer and utilization of heat are realized by utilizing the high-efficiency heat exchange of the heat supply microtube. By utilizing the combination of the piezoelectric sheet and the time delay relay, on one hand, redundant sensors are reduced to the maximum extent, energy consumption is reduced, on the other hand, heat supply matched with human body activity is realized, and therefore heat comfortable sitting and leaning experience and feeling for a human body are provided under the condition of minimum energy consumption.
Further, the phase change temperature interval of the phase change heat storage layer is 48-60 ℃. The piezoelectric sheets are arranged in a single or a plurality of arrays.
Further, the phase change heat storage layer is made of a phase change foaming material encapsulated in microcapsules or flexible sealing bags. The phase-change foaming material is polyurethane, polyvinyl chloride or polystyrene. The particle size of the phase change microcapsules is less than 50 microns.
Furthermore, the protective sleeve comprises a backrest, a cushion and a vertical edge, the heat supply micro-tube is arranged in the backrest and the cushion, the piezoelectric plate is arranged in the cushion, the heat storage micro-tube, the delay relay, the circulating pump, the phase change heat storage layer and the electric heating device are all arranged in the vertical edge, and the liquid supply tube is arranged on the side edge of the protective sleeve.
Further, the power supply device also comprises a storage battery, and the storage battery is arranged in the vertical edge. The cushion is also internally provided with a filling layer and a cushion layer, and a heat supply micro-pipe is arranged between the filling layer and the cushion layer. The liquid supply pipe between the backrest and the cushion is a hose, and the liquid supply pipe between the cushion and the vertical edge is a hose, so that the seat cover can be adapted to various seats, the service life of the seat cover can be prolonged, and the elongation at break and the impact strength of the seat cover can be improved.
Furthermore, the phase change heat storage layer, the heat storage micro-tube and the electric heating device are connected with the liquid supply tube through the detachable joint, so that the replacement and the maintenance are convenient. The electric heating device is connected with the charging port.
The working principle is as follows: when a human body sits on the cushion, the piezoelectric sheet generates an electric signal by utilizing the pressure change when the human body moves, one part of the piezoelectric sheet closes the time delay relay, the storage battery is communicated, and the circulating pump starts to drive the working solution in the heat supply micro-tube to flow. The heat stored in the phase-change heat storage layer flows to the heat supply microtubes of the backrest and the seat cushion to be released, so that comfortable contact temperature is provided for a human body. And connecting an electric heating device in the phase change heat supply device to an external power supply at regular time or according to actual needs, heating the phase change material, and storing heat.
Has the advantages that: compared with the prior art, the invention has the following remarkable characteristics:
1. the method is simple and easy to implement, the constant temperature adjustment work of the seat is realized by modifying the existing seat with lower cost, and the thermal comfort degree of the human body on the seat is improved with extremely low energy consumption;
2. when a person sits on the seat, the human body moving energy is used for generating electric energy, the piezoelectric piece is equivalent to a human body detection sensor, and the generated electric energy drives the relay to act on one hand, so that the circulating pump is driven, and the heat supply is realized;
3. the seat cover can be dismantled the replacement, and is compatible strong, has guaranteed the compatibility of seat on the one hand, and on the other hand realizes human heat comfortable under minimum energy consumption.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the deployment of the protective sheath 1 of the present invention;
fig. 3 is a schematic structural diagram of the phase-change heating device 3 and the power supply device 4 of the invention;
FIG. 4 is a cross-sectional view taken along plane A-A of the present invention;
fig. 5 is a cross-sectional view taken along plane B-B of the present invention.
Detailed Description
The raw materials used in the following examples were all purchased and used as received.
As shown in figures 1-2, the phase-change heat supply device 3 and the power supply device 4 of the seat cover with phase-change temperature adjustment are externally provided with a protective sleeve 1 and bonded together by an adhesive structure 8. The adhesive structure 8 is a hasp or a magic tape. The protective sleeve 1 is made of fabric material or leather material. The protective sleeve 1 is fixedly connected with the seat through a fixing belt 9. On the folded side of the protective sleeve 1 is a vertical flexible connection 10. The protective sleeve 1 comprises a backrest 101, a seat cushion 102 and a vertical edge 103 from top to bottom in sequence.
Referring to fig. 3-5, a heat supply microtube 301 is arranged in the backrest 101, and a piezoelectric sheet 2, a heat supply microtube 301, a filling layer 5 and a cushion layer 6 are arranged in the cushion 102. The heat supply microtubes 301 are uniformly distributed between the filling layer 5 and the cushion layer 6. The cushion layer 6 is a flexible cushion layer and is filled with heat-insulating materials such as cotton, sponge or latex. The heat supply microtubes 301 in the backrest 101 and the heat supply microtubes 301 in the seat cushion 102 are both communicated with the liquid supply pipes 303 at two sides. Working fluid is filled in the heat supply microtube 301, the heat storage microtube 302 and the liquid supply tube 303, and the working fluid can be water, nano fluid or phase-change fluid. When the working solution is nanofluid, the base solution is water, and the additives can be carbon nanotubes and graphene. When the working fluid is a phase-change fluid, the base fluid is water, and the additive can be phase-change microcapsules or phase-change emulsion. The liquid supply tubes 303 on both sides of the skirt 103 are made of a metal material having a good thermal conductivity. The liquid supply tubes 303 on the two sides of the backrest 101 and the seat cushion 102 are made of plastic or silica gel with good flexibility. The piezoelectric sheet 2 is used for controlling the on-off of the time delay relay 401 and is arranged in a single or multiple arrays.
The phase change heat supply device 3 comprises a heat supply microtube 301, a heat storage microtube 302, a liquid supply pipe 303, a circulating pump 304, a phase change heat storage layer 305 and an electric heating device 306. The heat storage microtubes 302 are arranged in the phase change heat storage layer 305, and the bottom of the microtubes is connected with the electric heating device 306. The heat supply microtube 301 is connected with the heat storage microtube 302 through a liquid supply pipe 303, a circulating pump 304 is arranged on the liquid supply pipe 303, and the circulating pump 304 is a direct current power supply circulating pump. The packaging of the phase change heat storage layer 305 is stainless steel packaging, plastic packaging or acrylic material packaging. The phase-change foaming material is polyurethane, polyvinyl chloride or polystyrene. The phase change material can be common phase change material and phase change microcapsule. When the material is a phase-change microcapsule, the particle size of the phase-change microcapsule is less than 50 microns, and the shell material of the phase-change microcapsule can be a high polymer material, such as PMMA (polymethyl methacrylate) and urea resin. The phase-change microcapsule core material can be paraffin or n-octadecane.
The power supply device 4 includes a delay relay 401 and a battery 402, and supplies power. The circulating pump 304, the time delay relay 401, the piezoelectric plate 2 and the storage battery 402 are connected into a closed loop through leads. When a human body sits on the seat cushion 102, the piezoelectric sheet 2 generates an electric signal by utilizing the pressure change when the human body moves, a part of the electric signal enables the time delay relay 401 to be closed, the storage battery 402 is communicated, and the circulating pump 304 starts to drive the working fluid in the heat supply microtube 301 to flow. The heat stored in the phase change heat storage layer 305 flows to the heat supply microtubes 301 of the backrest 101 and the seat cushion 102 to be released, so that comfortable contact temperature is provided for the human body. The charging port is connected to an electrical heating device 306 laid in the phase change material. The phase-change heat supply device 3 and the power supply device 4 can be separated from the seat cover. The phase change material may be separately separable from the seat cover.
The heat storage microtube 302, the relay 401, the circulating pump 304, the phase change heat storage layer 305 and the electric heating device 306 are correspondingly arranged in the vertical edge. The phase change temperature range of the phase change heat storage layer 305 is 48-60 ℃. The phase change heat storage layer 305, the heat storage microtubes 302 and the electric heating device 306 are connected with the liquid supply pipe 303 through the detachable joint 7. And the electric heating device 306 in the phase change heating device 3 is connected to an external power supply through the power connector 11 at regular time or according to actual needs, so as to heat the phase change material and store heat. The electric heating device 306 is an electric heating film or wire.
Claims (10)
1. The utility model provides a seat cover that phase transition was adjusted temperature which characterized in that: including protective sheath (1), set up piezoelectric patches (2), phase change heat supply device (3) and power supply unit (4) in protective sheath (1), phase change heat supply device (3) are including heat supply microtube (301), heat-retaining microtube (302), liquid feed pipe (303), circulating pump (304), phase change heat accumulation layer (305) and electric heater unit (306), heat-retaining microtube (302) set up in phase change heat accumulation layer (305), and the bottom links to each other with electric heater unit (306), power supply unit (4) are including time delay relay (401), heat supply microtube (301) link to each other through liquid feed pipe (303) with heat-retaining microtube (302), set up circulating pump (304) on liquid feed pipe (303), piezoelectric patches (2) are used for controlling time delay relay (401) break-make.
2. The phase change, temperature conditioned seat cover of claim 1, wherein: the phase change temperature interval of the phase change heat storage layer (305) is 48-60 ℃.
3. The phase change, temperature conditioned seat cover of claim 1, wherein: the phase-change thermal storage layer (305) is made of a phase-change foaming material encapsulated in microcapsules or flexible sealing bags.
4. A phase change, temperature conditioned seat cover according to claim 3, wherein: the phase-change foaming material is polyurethane, polyvinyl chloride or polystyrene.
5. A phase change, temperature conditioned seat cover according to claim 3, wherein: the particle size of the phase change microcapsule is less than 50 microns.
6. The phase change, temperature conditioned seat cover of claim 1, wherein: protective sheath (1) includes back (101), cushion (102) and dangling limit (103), heat supply microtube (301) sets up in back (101) and cushion (102), piezoelectric patches (2) set up in cushion (102), heat-retaining microtube (302), time delay relay (401), circulating pump (304), phase change heat storage layer (305) and electric heater unit (306) all set up in dangling limit (103), feed pipe (303) set up the side in protective sheath (1).
7. The phase change, temperature conditioned seat cover of claim 6, wherein: the power supply device (4) further comprises a storage battery (402), and the storage battery (402) is arranged in the vertical edge (103).
8. The phase change, temperature conditioned seat cover of claim 6, wherein: still set up filling layer (5) and bed course (6) in cushion (102), set up heat supply microtube (301) between filling layer (5) and the bed course (6).
9. The phase change, temperature conditioned seat cover of claim 6, wherein: a liquid supply pipe (303) between the backrest (101) and the seat cushion (102) is a hose, and the liquid supply pipe (303) between the seat cushion (102) and the vertical edge (103) is a hose.
10. The phase change, temperature conditioned seat cover of claim 1, wherein: the phase change heat storage layer (305), the heat storage microtube (302) and the electric heating device (305) are connected with the liquid supply pipe (303) through a detachable joint (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110174612.2A CN112890520A (en) | 2021-02-09 | 2021-02-09 | Phase-change temperature-adjusting seat cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110174612.2A CN112890520A (en) | 2021-02-09 | 2021-02-09 | Phase-change temperature-adjusting seat cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112890520A true CN112890520A (en) | 2021-06-04 |
Family
ID=76122852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110174612.2A Pending CN112890520A (en) | 2021-02-09 | 2021-02-09 | Phase-change temperature-adjusting seat cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112890520A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114532795A (en) * | 2022-03-31 | 2022-05-27 | 北京科技大学 | Temperature control mattress based on micron phase change particle thermal control fluid and temperature control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101540606B1 (en) * | 2014-10-28 | 2015-08-03 | 서길용 | Heating block embedded bench |
| CN108278784A (en) * | 2017-12-06 | 2018-07-13 | 上海交通大学 | A kind of heat pump heat distribution system becoming storage solar energy using heat-storage medium water phase |
| CN108926163A (en) * | 2018-09-27 | 2018-12-04 | 西安异聚能科技研究院有限公司 | A kind of energy conservation comfort sofa seat |
| CN108952231A (en) * | 2018-09-17 | 2018-12-07 | 苏州科技大学 | A kind of integrated type comprehensive utilization of natural resources waiting booth and working method |
| CN109730479A (en) * | 2018-12-27 | 2019-05-10 | 上海理工大学 | Personalized heating heat pipe-type heat accumulating type heats seat |
| CN211632497U (en) * | 2019-12-19 | 2020-10-09 | 北京市热力集团有限责任公司 | Automatic heat storage and heating type heating seat cover for large-scale venue |
-
2021
- 2021-02-09 CN CN202110174612.2A patent/CN112890520A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101540606B1 (en) * | 2014-10-28 | 2015-08-03 | 서길용 | Heating block embedded bench |
| CN108278784A (en) * | 2017-12-06 | 2018-07-13 | 上海交通大学 | A kind of heat pump heat distribution system becoming storage solar energy using heat-storage medium water phase |
| CN108952231A (en) * | 2018-09-17 | 2018-12-07 | 苏州科技大学 | A kind of integrated type comprehensive utilization of natural resources waiting booth and working method |
| CN108926163A (en) * | 2018-09-27 | 2018-12-04 | 西安异聚能科技研究院有限公司 | A kind of energy conservation comfort sofa seat |
| CN109730479A (en) * | 2018-12-27 | 2019-05-10 | 上海理工大学 | Personalized heating heat pipe-type heat accumulating type heats seat |
| CN211632497U (en) * | 2019-12-19 | 2020-10-09 | 北京市热力集团有限责任公司 | Automatic heat storage and heating type heating seat cover for large-scale venue |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114532795A (en) * | 2022-03-31 | 2022-05-27 | 北京科技大学 | Temperature control mattress based on micron phase change particle thermal control fluid and temperature control method |
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Application publication date: 20210604 |
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