CN104390263A - Radiation heat exchange plate and central air conditioning system - Google Patents
Radiation heat exchange plate and central air conditioning system Download PDFInfo
- Publication number
- CN104390263A CN104390263A CN201410577671.4A CN201410577671A CN104390263A CN 104390263 A CN104390263 A CN 104390263A CN 201410577671 A CN201410577671 A CN 201410577671A CN 104390263 A CN104390263 A CN 104390263A
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- China
- Prior art keywords
- heat
- heat exchange
- radiation
- exchange plate
- conduction fin
- 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
- 230000005855 radiation Effects 0.000 title claims abstract description 56
- 238000004378 air conditioning Methods 0.000 title abstract description 6
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 239000004575 stone Substances 0.000 claims abstract description 8
- 239000010440 gypsum Substances 0.000 claims abstract description 6
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 15
- 239000012774 insulation material Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 claims description 3
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention discloses a radiation heat exchange plate and a central air-conditioning system. This radiation heat exchange plate includes: the radiation panel (1) is a gypsum panel or a stone panel; the heat exchange part is arranged on the radiation panel (1) and comprises an integral heat conduction fin (2) attached to the radiation panel (1) and a heat exchange tube (3) arranged on the heat conduction fin (2) and tightly contacted with the heat conduction fin plate (2); and the heat insulation layer is covered on the heat exchange part. The radiation heat exchange plate has the advantages of uniform surface temperature field, difficult dewing and large radiation heat transfer quantity.
Description
Technical field
The present invention relates to air-conditioning technique field, in particular to a kind of radiation heat exchange plate and central air conditioner system.
Background technology
Prevailing in the air-conditioning system that present stage is run is all-air air conditioning system, and they not only utilize air to carry out necessary ventilation, and using air as heat transfer media.But all-air air conditioning system exists some defects: not only waste energy, reduce indoor air quality, and its cold wind air-flow and indoor temperature layering cause the temperature difference larger between human foot and head, this can reduce the Thermal comfort of human body.In order to save the energy, most of for indoor air draft is introduced air conditioner unit as return air by conventional all-air system usually, sends into each air-conditioned room after processed together with the new wind in outdoor.This way is not only unfavorable for getting rid of the pollutant in room air, and very easily causes cross-infection in the infectious disease high-incidence season.In order to address these problems, radiant panel Refrigeration Technique is arisen at the historic moment.
Radiant panel Refrigeration Technique originates from Europe, but after this technology enters united states, japan and other countries man, is never used widely.Except cooling ability is limited and initial investment is large, key issue is that it cannot solve plate face condensation trouble.Through deep theory analysis and experimental study, find that the key point simultaneously solving condensation trouble and cooling ability problem less than normal is to improve radiant panel surface temperature uniformity.Lot of domestic and foreign cold emission plate manufacturer has carried out development efforts for many years, proposes a lot of solution and has applied for numerous patent.
Disclose a kind of cooling/heating panel in the patent (number of patent application CN200880012265.6) of Dongyangkes Co., Ltd of Japan application, as shown in Figure 1,10 is ceiling cooling/heating panel; 12 is radiant panel; 14 is sound-absorption hole; 16 is heat-exchange tube; 16a is line part; 16b is curve part; 18 is holding member; 20 is soaking plate; 22 is maintaining part; 23 for not fire sheet.
Its heat transfer structure is: the resinous heat-exchange tube 16 having the radiant panel 12 of tabular, be partly configured in the metal holding member 18 on the back side of radiant panel 12 and remain on holding member 18.Holding member 18 is formed with the smooth soaking plate 20 that overlaps on radiant panel 12 and is built up in the maintaining part 22 soaking plate 20 engaging heat-exchange tube 16.The external diameter of heat-exchange tube 16 is thicker than the internal diameter of maintaining part 22 before being arranged in maintaining part 22, and under the state being arranged in maintaining part 22 by heat-exchange tube 16, maintaining part 22 clamps the side of heat-exchange tube 16 from two-side elastic.
In that patent, because holding member 18 is the strip members installed along the line part 16a of heat-exchange tube 16, the total area ratio that its area contacted with radiant panel 12 accounts for radiant panel 12 is little, can not accomplish to conduct heat in face.This causes radiant panel 12 surface temperature field uneven, wayward condensation and also Radiant exothermicity little.
Summary of the invention
There is provided a kind of radiation heat exchange plate and central air conditioner system in the embodiment of the present invention, surface temperature field is even, not easily condensation and radiant heat transfer amount is large.
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of radiation heat exchange plate, comprising: radiant panel, and radiant panel is gypsum panels or stone panel; Heat exchanging part, is arranged on radiant panel, heat exchanging part comprise the all-in-one-piece heat conduction fin plate that is sticked on radiant panel and to be arranged on heat conduction fin plate and with the heat exchanger tube of heat conduction fin plate close contact; Heat-insulation layer, lid is located in heat exchanging part.
As preferably, heat conduction fin plate covers on radiant panel comprehensively.
As preferably, heat exchanger tube is flat tube, and heat exchanger tube contacts with heat conduction fin plate face.
As preferably, heat conduction fin plate is provided with draw-in groove, and heat exchanger tube is fastened in draw-in groove.
As preferably, the profile of draw-in groove and heat exchanger tube matches.
As preferably, heat exchanger tube is welded on heat conduction fin plate.
As preferably, heat exchanger tube is refrigerant pipe, and heat conduction fin plate is metal fin plate.
As preferably, heat-insulation layer comprises insulation material and is arranged on the first reflection layer and second reflection layer of insulation material both sides.
As preferably, radiation heat exchange plate also comprises sealing and compresses layer, and sealing compresses layer lid and is located on heat-insulation layer, and coordinates with radiant panel, by radiation heat exchange plate sealing compression.
According to a further aspect in the invention, provide a kind of central air conditioner system, comprise radiation heat exchange plate, this radiation heat exchange plate is above-mentioned radiation heat exchange plate.
Apply technical scheme of the present invention, radiation heat exchange plate comprises: radiant panel, and radiant panel is gypsum panels or stone panel; Heat exchanging part, is arranged on radiant panel, heat exchanging part comprise the all-in-one-piece heat conduction fin plate that is sticked on radiant panel and to be arranged on heat conduction fin plate and with the heat exchanger tube of heat conduction fin plate close contact; Heat-insulation layer, lid is located in heat exchanging part.Heat conduction fin plate due to heat exchanging part is monolithic construction, and with radiant panel between be sticked mutually, the heat of heat exchanger tube is made can be first distributed on the heat-transfer surface of whole heat conduction fin plate, then the mode that heat conduction fin plate is conducted heat by face transfers heat to radiant panel, make the surface temperature field distribution of radiant panel even, the overall heat transfer effect of radiation heat exchange plate can be increased, not easily condensation and radiant heat transfer amount is large.
Accompanying drawing explanation
Fig. 1 is the structural representation of radiation heat exchange plate of the prior art;
Fig. 2 is the decomposition texture schematic diagram of the radiation heat exchange plate of the embodiment of the present invention;
Fig. 3 is the first embodiment of the heat exchanging part of the radiation heat exchange plate of the embodiment of the present invention;
Fig. 4 is the second embodiment of the heat exchanging part of the radiation heat exchange plate of the embodiment of the present invention.
Description of reference numerals:
1, radiant panel; 2, heat conduction fin plate; 3, heat exchanger tube; 4, the first reflection layer; 5, insulation material; 6, the second reflection layer; 7, compression bar is sealed; 8, draw-in groove.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
See shown in Fig. 2 to 4, according to embodiments of the invention, radiation heat exchange plate comprises radiant panel 1, heat exchanging part and heat-insulation layer.Radiant panel 1 is gypsum panels or stone panel, the stone panel panel that to be the thermal resistances such as marble make much larger than the stone material of metal thermal resistance.Heat exchanging part comprise be sticked all-in-one-piece heat conduction fin plate on radiant panel 12 and to be arranged on heat conduction fin plate 2 and with the heat exchanger tube 3 of heat conduction fin plate 2 close contact, heat exchanger tube 3 transfers heat to radiant panel 1 by heat conduction fin plate 2, is then radiate by radiant panel 1.
Heat-insulation layer lid is located in heat exchanging part, is to reflect the heat radiation of heat exchanging part to radiant panel 1 back when radiant panel heating condition runs, and prevents heat from letting out from radiant panel 1 back, thus improve the utilization rate of heat.
Because radiant panel 1 is gypsum panels or stone panel, the thermal resistance of radiant panel 1 is made to be far longer than the thermal resistance of heat conduction fin plate 2, and due to the heat conduction fin plate 2 of heat exchanging part be monolithic construction, and with radiant panel 1 between be sticked mutually, the heat of heat exchanger tube 3 is made can be first distributed on the heat-transfer surface of whole heat conduction fin plate 2, then heat conduction fin plate 2 transfers heat to radiant panel 1 by the mode conducted heat in face, instead of directly transfer heat to radiant panel 1 by heat exchanger tube 3, make the surface temperature field distribution of radiant panel 1 even, and heat transfer rate is accelerated, therefore the overall heat transfer effect of radiation heat exchange plate can be increased, radiation heat exchange plate is not easily condensed and radiant heat transfer amount is large, compared to prior art, radiant heat transfer amount can promote more than 20%.
Radiation heat exchange plate also comprises sealing and compresses layer, sealing compresses layer lid and is located on heat-insulation layer, and coordinates with radiant panel 1, heat exchanging part and insulation portion is compressed and remains on radiant panel 1, thus radiation heat exchange plate sealing is compressed, make radiation heat exchange plate become an all-in-one-piece structure.Radiation heat exchange plate also can not arrange sealing and compress layer, is pasted together between the various piece of radiation heat exchange plate.
Preferably, heat conduction fin plate 2 covers on radiant panel 1 comprehensively, can make to amplitude peak the surface temperature field distribution of radiant panel 1 even.
Preferably, heat exchanger tube 3 is flat tube, and heat exchanger tube 3 contacts with heat conduction fin plate 2, thus reduces the thermal contact resistance between heat exchanger tube 3 and heat conduction fin plate 2, improves the heat exchange efficiency of heat exchanger tube 3.
In conjunction with shown in Figure 3, in the first embodiment of heat exchanging part, heat conduction fin plate 2 is provided with draw-in groove 8, heat exchanger tube 3 is fastened in draw-in groove 8.Preferably, draw-in groove 8 matches with the profile of heat exchanger tube 3.Heat exchanger tube 3, by draw-in groove 8 and heat conduction fin plate 2 close contact, can increase the effective contact area between heat conduction fin plate 2 and heat exchanger tube 3, effectively improves the heat exchange efficiency between heat exchanger tube 3 and heat conduction fin plate 2.
In conjunction with shown in Figure 4, in the second embodiment of heat exchanging part, heat exchanger tube 3 is welded on heat conduction fin plate 2, thus and close contact between heat conduction fin plate 2.Because heat exchanger tube 3 is flat tube, therefore can increase the contact area between heat exchanger tube 3 and heat conduction fin plate 2, strengthen heat-conducting effect.
In the present embodiment, heat exchanger tube 3 is refrigerant pipe, and heat conduction fin plate 2 is metal fin plate, can have more excellent heat-conductive characteristic, thus improves the heat exchange property of whole radiation heat exchange plate.Such as, heat conduction fin 2 can adopt aluminum fin plate, and aluminum fin plate has lightweight, that price is low advantage.
In the present embodiment, heat-insulation layer comprises insulation material 5 and is arranged on the first reflection layer 4 and the second reflection layer 6 of insulation material 5 both sides, and sealing compresses lamination tightly on the second reflection layer 6, and the first reflection layer 4 lid is located in heat exchanging part.When radiation heat exchange plate heating condition runs, first reflection layer 4 can reflect the heat radiation of heat exchanging part to radiant panel 1 back, insulation material 5 can cut off the heat transmission that heat exchanging part and radiant panel 1 back space occur through heat-conducting modes such as convection current, more effectively prevents heat leakage; When radiation heat exchange plate cooling condition runs, the second reflection layer 6 can reflecting outside space to the heat radiation at radiant panel 1 back.
Gap between second reflection layer 6 and the sidewall of insulation material 5 and radiant panel 1 can be filled with a sealing with encapsulant, to prevent outside damp-heat air to radiation heat exchange plate internal penetration.
Sealing compresses layer for sealing compression bar 7, by each compressing parts in radiant panel 1, can form good sealing property on the other hand to whole radiation heat exchange plate on the one hand, reduce leaking heat.
According to embodiments of the invention, central air conditioner system comprises radiation heat exchange plate, and this radiation heat exchange plate is above-mentioned radiation heat exchange plate.
Certainly, be more than the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art, under the prerequisite not departing from its general principles, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a radiation heat exchange plate, is characterized in that, comprising:
Radiant panel (1), described radiant panel is gypsum panels or stone panel;
Heat exchanging part, be arranged on described radiant panel (1), described heat exchanging part comprise the all-in-one-piece heat conduction fin plate (2) that is sticked on described radiant panel (1) and be arranged on described heat conduction fin plate (2) upper and with the heat exchanger tube (3) of described heat conduction fin plate (2) close contact;
Heat-insulation layer, lid is located in described heat exchanging part.
2. radiation heat exchange plate according to claim 1, is characterized in that, described heat conduction fin plate (2) covers on described radiant panel (1) comprehensively.
3. radiation heat exchange plate according to claim 1, is characterized in that, described heat exchanger tube (3) is flat tube, and described heat exchanger tube (3) contacts with described heat conduction fin plate (2) face.
4. radiation heat exchange plate according to claim 3, is characterized in that, described heat conduction fin plate (2) is provided with draw-in groove (8), and described heat exchanger tube (3) is fastened in described draw-in groove (8).
5. radiation heat exchange plate according to claim 4, is characterized in that, described draw-in groove (8) matches with the profile of described heat exchanger tube (3).
6. radiation heat exchange plate according to claim 3, is characterized in that, described heat exchanger tube (3) is welded on described heat conduction fin plate (2).
7. the radiation heat exchange plate according to any one of claim 3 to 6, is characterized in that, described heat exchanger tube (3) is refrigerant pipe, and described heat conduction fin plate (2) is metal fin plate.
8. radiation heat exchange plate according to claim 1, it is characterized in that, described heat-insulation layer comprises insulation material (5) and is arranged on the first reflection layer (4) and second reflection layer (6) of described insulation material (5) both sides.
9. radiation heat exchange plate according to any one of claim 1 to 6, it is characterized in that, described radiation heat exchange plate also comprises sealing and compresses layer, and described sealing compresses layer lid and is located on described heat-insulation layer, and coordinate with described radiant panel (1), described radiation heat exchange plate sealing is compressed.
10. a central air conditioner system, comprises radiation heat exchange plate, it is characterized in that, the radiation heat exchange plate of described radiation heat exchange plate according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410577671.4A CN104390263A (en) | 2014-10-24 | 2014-10-24 | Radiation heat exchange plate and central air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410577671.4A CN104390263A (en) | 2014-10-24 | 2014-10-24 | Radiation heat exchange plate and central air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104390263A true CN104390263A (en) | 2015-03-04 |
Family
ID=52608200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410577671.4A Pending CN104390263A (en) | 2014-10-24 | 2014-10-24 | Radiation heat exchange plate and central air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104390263A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990175A (en) * | 2015-07-28 | 2015-10-21 | 珠海格力电器股份有限公司 | Radiation heat exchange plate assembly |
| CN105972795A (en) * | 2016-06-15 | 2016-09-28 | 珠海格力电器股份有限公司 | Hanging machine panel, air conditioner hanging machine and control method of air conditioner hanging machine |
| CN105972796A (en) * | 2016-06-15 | 2016-09-28 | 珠海格力电器股份有限公司 | Heat radiation panel, cabinet air conditioner and control method of cabinet air conditioner |
| CN106958900A (en) * | 2017-05-10 | 2017-07-18 | 重庆大学 | One kind reinforcing convection type capillary network radiant panel and its heat-exchange method |
| CN107606733A (en) * | 2017-10-19 | 2018-01-19 | 广州大学 | Radiation air-conditioner refrigeration system |
| CN107606824A (en) * | 2017-10-19 | 2018-01-19 | 广州大学 | Evaporator and air-conditioning refrigeration system |
| CN108552714A (en) * | 2017-09-19 | 2018-09-21 | 宫内化妆品（唐山）有限公司 | Pen type liquid object dauber |
| CN110207252A (en) * | 2019-05-31 | 2019-09-06 | 浙江理工大学 | Directing radiation appliance |
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| CN101029765A (en) * | 2006-03-02 | 2007-09-05 | 托优克斯公司 | Radiating pipe covering device |
| CN201000298Y (en) * | 2006-12-15 | 2008-01-02 | 高猛 | Liquid medium cold/heat radiation plate |
| CN103791555A (en) * | 2012-10-31 | 2014-05-14 | 中国建筑科学研究院 | Combined type ceiling radiant plate |
| CN103822318A (en) * | 2012-11-19 | 2014-05-28 | 珠海格力电器股份有限公司 | Radiant heat exchanger plate assembly |
| CN204301193U (en) * | 2014-10-24 | 2015-04-29 | 珠海格力电器股份有限公司 | Radiation heat exchange plate and central air conditioning system |
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2014
- 2014-10-24 CN CN201410577671.4A patent/CN104390263A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029765A (en) * | 2006-03-02 | 2007-09-05 | 托优克斯公司 | Radiating pipe covering device |
| CN201000298Y (en) * | 2006-12-15 | 2008-01-02 | 高猛 | Liquid medium cold/heat radiation plate |
| CN103791555A (en) * | 2012-10-31 | 2014-05-14 | 中国建筑科学研究院 | Combined type ceiling radiant plate |
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| CN204301193U (en) * | 2014-10-24 | 2015-04-29 | 珠海格力电器股份有限公司 | Radiation heat exchange plate and central air conditioning system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990175A (en) * | 2015-07-28 | 2015-10-21 | 珠海格力电器股份有限公司 | Radiation heat exchange plate assembly |
| CN105972795A (en) * | 2016-06-15 | 2016-09-28 | 珠海格力电器股份有限公司 | Hanging machine panel, air conditioner hanging machine and control method of air conditioner hanging machine |
| CN105972796A (en) * | 2016-06-15 | 2016-09-28 | 珠海格力电器股份有限公司 | Heat radiation panel, cabinet air conditioner and control method of cabinet air conditioner |
| CN106958900A (en) * | 2017-05-10 | 2017-07-18 | 重庆大学 | One kind reinforcing convection type capillary network radiant panel and its heat-exchange method |
| CN108552714A (en) * | 2017-09-19 | 2018-09-21 | 宫内化妆品（唐山）有限公司 | Pen type liquid object dauber |
| CN108552714B (en) * | 2017-09-19 | 2020-12-01 | 宫内化妆品（唐山）有限公司 | Pen-shaped liquid substance smearing tool |
| CN107606733A (en) * | 2017-10-19 | 2018-01-19 | 广州大学 | Radiation air-conditioner refrigeration system |
| CN107606824A (en) * | 2017-10-19 | 2018-01-19 | 广州大学 | Evaporator and air-conditioning refrigeration system |
| CN110207252A (en) * | 2019-05-31 | 2019-09-06 | 浙江理工大学 | Directing radiation appliance |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150304 |