CN114087685A - Radiation air conditioning system - Google Patents
Radiation air conditioning system Download PDFInfo
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- CN114087685A CN114087685A CN202111398845.7A CN202111398845A CN114087685A CN 114087685 A CN114087685 A CN 114087685A CN 202111398845 A CN202111398845 A CN 202111398845A CN 114087685 A CN114087685 A CN 114087685A
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- 230000005855 radiation Effects 0.000 title claims abstract description 67
- 238000004378 air conditioning Methods 0.000 title claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 38
- 229910002804 graphite Inorganic materials 0.000 claims description 37
- 239000010439 graphite Substances 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 5
- 230000005494 condensation Effects 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 abstract description 4
- 238000007791 dehumidification Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004904 shortening Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007770 graphite material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0089—Systems using radiation from walls or panels
- F24F5/0092—Systems using radiation from walls or panels ceilings, e.g. cool ceilings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
-
- 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
Abstract
The invention relates to a radiation air-conditioning system, comprising: the control unit, the fresh air device, the dehumidifying device and the radiation ceiling unit are connected with the control unit; one end of an air inlet pipeline of the fresh air device is connected with an indoor air inlet, and the other end of the air inlet pipeline of the fresh air device is connected with the dehumidifying device; an air outlet pipeline of the fresh air device is connected with an indoor air outlet; the air outlet is positioned above and close to the radiation ceiling unit; the air inlet is positioned below and close to the ground; according to the radiation air-conditioning system, the dehumidification device is used for dehumidifying the outdoor fresh air, and the dehumidified outdoor fresh air enters the room through the fresh air device, so that the problem that condensation is easy to occur on the radiation surface of the radiation ceiling unit when the radiation ceiling unit is used for refrigeration is solved; meanwhile, the fresh air device is combined with an air supply mode of ground feeding and ejection, indoor dirty air can be better replaced, and the quality of indoor living environment is improved.
Description
The present application is a divisional application of a radiation air conditioning system of 201910686945.6.
Technical Field
The invention belongs to the technical field of indoor air conditioners, and particularly relates to a radiation air conditioning system.
Background
There are two main problems with current conventional air conditioning systems: firstly, the energy consumption is large; secondly, the air quality in the indoor environment is poor, and the discomfort of people is easy to cause.
With the increasing level of quality of life, people are no longer simply satisfying the requirement of providing proper temperature and humidity, but develop the requirements of more comfort, health, energy conservation and low carbon on the basis of the air conditioning system. Especially under the current serious air pollution, people put more urgent demands on the improvement of the air quality of the indoor environment.
Against this background, radiant ceiling technology has gone into the field of vision and has developed rapidly in recent years. Compared with the traditional air conditioner, the radiation ceiling technology can effectively reduce the wind speed and the vertical temperature gradient, the comfort level of indoor personnel is greatly improved, but because the radiation air conditioner is a surface refrigeration mode, the refrigeration surface is in direct contact with the environment, the air which causes damp and hot in a summer room meets the radiation panel with lower temperature, and water drops are easily condensed on the surface of the radiation panel, so that the heating and refrigerating capacity problems of the radiation air conditioner are the main technical difficulties, and how to solve the dewing problem is also the main technical difficulty at present.
The main direction for overcoming the technical difficulty is as follows: firstly, combining a radiation ceiling with a fresh air system to accelerate the heat energy diffusion speed radiated by the radiation ceiling; secondly, improve the radiant efficiency of radiation furred ceiling, graphite plate in the present radiation furred ceiling adopts straight structure, as shown in fig. 2, when heating or heat, pipeline 20 outwards transmits the heat energy in the pipeline everywhere, in practical application process, we find that in panel body 10 width direction, heat energy radiates with parallel panel body 10 width direction earlier then gradually with perpendicular panel body 10 width direction radiation, as indicated by the arrow direction in fig. 1, this makes the required heat energy loss of radiating in perpendicular panel body 10 width direction very big (for example the temperature of water in the pipeline 20 is 30 ℃, the temperature that comes out from the radiation face is only 26 ℃), has influenced heat energy radiant efficiency greatly, and heat energy radiates indoor time long.
Disclosure of Invention
The invention aims to provide a radiation air conditioning system.
In order to solve the above technical problem, the present invention provides a radiation air conditioning system, comprising: the control unit, the fresh air device, the dehumidifying device and the radiation ceiling unit are connected with the control unit; one end of an air inlet pipeline of the fresh air device is connected with an indoor air inlet, and the other end of the air inlet pipeline of the fresh air device is connected with the dehumidifying device; an air outlet pipeline of the fresh air device is connected with an indoor air outlet; the air outlet is positioned above and close to the radiation ceiling unit; and the air inlet is positioned below and close to the ground.
Further, the radiant ceiling unit includes: a plurality of graphite radiation plates; the graphite radiation plate includes: the heat insulation layer is positioned on the upper end surface of the graphite plate; the graphite sheet material includes: a plate body; the upper end surface of the plate body is provided with at least one bulge part suitable for wrapping a pipeline; and the convex part is in a peak shape.
Furthermore, the two sides of the convex part are symmetrically arranged, and a peak waist part and a peak bottom part are sequentially formed from the peak top part to the bottom part; wherein the top and the waist of the peak are both arc curves; and when the convex parts are adjacent, the peak bottoms are connected to form an approximately flat area.
Further, setting the maximum thickness of the plate body to be H and the minimum thickness of the plate body to be L; wherein the maximum thickness H represents the vertical distance from the top of the peak to the other surface of the plate body, and the minimum thickness L represents the vertical distance from the bottom of the peak to the other surface of the plate body; the circle center of the pipeline and the vertex of the peak top are coaxially arranged, the radius of the pipeline is set to be R, the shortest length of the surface of the pipeline from the vertex of the peak top is set to be J1, and the shortest length of the surface of the pipeline from the other surface of the plate body is set to be J2; wherein J1 ranges from 1 to 2.5mm, J2 ranges from 1 to 2.5 mm; the relationship between the maximum thickness H and the pipe radius R, length J1, and length J2 is: h ═ J1+ J2+ R; the minimum thickness L ranges from 2 to 5 mm.
Further, setting the radius of a curve at the top of the peak as a; wherein the relationship between the curve radius a at the top of the peak and the maximum thickness H and the minimum thickness L is as follows: a-H-L.
Further, the center of the curve at the peak top is used as the origin (0, 0), the thickness direction of the plate body is the y axis, the width direction of the plate body is the x axis, the curves at the peak top, the peak waist and the peak bottom are respectively represented by the functional relationship between y and x, and the relational expression is as follows:
wherein: b is the curve radius of the peak waist;
a is the distance from the origin (0, 0) of the intersection point of the peak waist and the peak bottom;
b is the length of the line at the bottom of the peak;
e is the vertical distance from the intersection point of the peak waist part and the peak top part to the y axis;
wherein: a + B is 50mm and a ranges from 30-35 mm;
the radiation air-conditioning system has the beneficial effects that the dehumidification device is used for dehumidifying the outdoor fresh air, and the dehumidified outdoor fresh air enters the room through the fresh air device, so that the problem that condensation is easy to occur on the radiation surface of the radiation ceiling unit when the radiation ceiling unit is used for refrigeration is solved; meanwhile, the fresh air device can better replace indoor dirty air by combining an air supply mode of ground air inlet and air outlet, so that the quality of indoor living environment is improved; in addition, the graphite plate in the radiation ceiling unit of the radiation air-conditioning system changes the existing straight structure into a mountain peak-shaped structure, optimizes the transfer path of heat energy, and enables the heat energy transferred by the pipeline to be transferred to the bottom of the peak in a high-efficiency and low-loss manner, thereby improving the heat energy radiation efficiency of the graphite plate, effectively shortening the time for radiating the heat energy to the indoor, improving the heating or refrigerating capacity of the radiation air-conditioning system, and further improving the quality of the indoor living environment.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of the configuration of a radiant air conditioning system of the present invention;
FIG. 2 is a schematic structural view of a prior art graphite sheet material having a flat structure;
FIG. 3 is a temperature simulation diagram of a graphite plate with a flat structure at a pipeline temperature of 16 degrees when the graphite plate reaches a steady state;
FIG. 4 is a schematic structural view of a graphite sheet of the radiant air conditioning system of the present invention;
FIG. 5 is a schematic structural diagram of a graphite sheet material of the radiation air conditioning system of the present invention, with data labeled;
fig. 6 is a temperature simulation diagram of the graphite sheet of the radiation air conditioning system of the present invention when it reaches a steady state at a pipe temperature of 16 °.
Wherein:
the prior art is as follows: a plate body 10 and a pipeline 20;
the application: the radiant ceiling unit comprises a radiant ceiling unit 1, an air inlet 2, an air outlet 3, a convex part 10, a peak top part 100, a peak waist part 101, a peak bottom part 102 and a pipeline 20.
Detailed Description
The structure of the present invention will now be described in further detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the present embodiment 1 provides a radiation air conditioning system including: the device comprises a control unit, a fresh air device, a dehumidifying device and a radiation ceiling unit 1 which are connected with the control unit; one end of an air inlet pipeline of the fresh air device is connected with an indoor air inlet 2, and the other end of the air inlet pipeline of the fresh air device is connected with the dehumidifying device; an air outlet pipeline of the fresh air device is connected with an indoor air outlet 3; the air outlet 3 is positioned above and close to the radiation ceiling unit 1; and the air inlet 2 is positioned below and close to the ground.
Specifically, the radiation air-conditioning system of the embodiment dehumidifies outdoor fresh air through the dehumidifier, and the dehumidified outdoor fresh air enters the room through the fresh air device, so that the problem that condensation is easily formed on the radiation surface of the radiation ceiling unit 1 when the radiation ceiling unit 1 is cooled is solved; meanwhile, the fresh air device is combined with an air supply mode of ground feeding and ejection, indoor dirty air can be better replaced, and the quality of indoor living environment is improved.
Specifically, the air inlet and the air outlet can be respectively arranged on two opposite side walls, and can also be arranged by adopting diagonal lines; if the air outlet 3 is arranged above the radiation ceiling unit 1, a ventilation opening is reserved on the radiation ceiling unit 1.
The radiant ceiling unit 1 comprises: a plurality of graphite radiation plates; as shown in fig. 4, the graphite radiation plate includes: the heat insulation layer is positioned on the upper end surface of the graphite plate; the graphite sheet material includes: a plate body; the upper end face of the plate body is provided with at least one bulge part 10 suitable for wrapping a pipeline 20; and the convex portion 10 is in a mountain peak shape.
The two sides of the convex part 10 are symmetrically arranged, and a peak waist part 101 and a peak bottom part 102 are formed from the peak top part 100 downwards in sequence; wherein the peak top 100 and the peak waist 101 are both arc-shaped curves; and the peak bottoms 102 join to form an approximately flat area when the lobes 10 are adjacent.
Specifically, the heat radiation principle of the graphite plate is as follows: after a heat source or a cold source is connected into the pipeline 20, heat energy is transferred outwards, and the heat energy is transferred from the peak top 100 to the corresponding peak bottom 102 along each peak waist 101 and then is radiated from the radiation surface of the plate body corresponding to the peak bottom 102; the graphite plate changes the existing straight structure into a mountain peak-shaped structure, optimizes the transfer path of heat energy, enables the heat energy transferred by the pipeline 20 to be transferred to the peak bottom 102 with high efficiency and low loss, and enlarges the area of downward heat energy transfer, thereby improving the heat energy radiation efficiency of the graphite plate and effectively shortening the time of heat energy radiation to the room; meanwhile, compared with the existing straight structure, the graphite plate has the advantages that under the condition that the density of the graphite material is equal, the number of materials used for the graphite plate with the mountain-peak-shaped structure is greatly reduced, so that the manufacturing cost is reduced, and the prepared graphite radiation ceiling board is lighter and thinner.
Specifically, in the embodiment, two protrusions 10 are provided as an example, and finite element tool software (ANSYS software) is used to simulate the temperature equalization performance of the graphite plate; as shown in fig. 6, the simulated working condition of this embodiment is a temperature distribution diagram when the temperature of water in the pipe is 16 ℃, the temperature of the two protrusions corresponding to the wrapped pipe is the lowest and 16 ℃, then the cold energy is transmitted in the direction of the arrow in the diagram, so that the temperatures of the two sides of each protrusion gradually increase, and the adoption of the mountain-peak structure can make the cold energy transmitted from the peak to the peak bottom with high efficiency and low loss as much as possible, and from the simulation result, it can be seen visually that the temperature of the flat area formed by the peak bottom areas of the two protrusions is about 16.2 ℃ read from the simulation software, while as shown in fig. 3, the graphite plate of the existing flat structure also has a temperature of 16 ℃ when the pipe reaches the steady state, it can be seen that the temperature of the area near the middle between the two pipes is about 16.8 ℃, so that the mountain-peak structure of this embodiment has a positive effect on the transmission of heat energy, so that the temperature gradient between the peak top and the peak bottom is significantly reduced, thereby improving the heat radiation efficiency of the graphite plate.
Specifically, the number of the convex portions 10 may be one, two, three, or four.
Further, as shown in fig. 5, the maximum thickness of the plate body is set to be H, and the minimum thickness is set to be L; wherein the maximum thickness H represents the vertical distance from the top of the peak top 100 to the other side of the plate body, and the minimum thickness L represents the vertical distance from the peak bottom 102 to the other side of the plate body; the center of the pipeline 20 is coaxial with the vertex of the peak top 100, the radius of the pipeline 20 is set to be R, the shortest length from the surface of the pipeline 20 to the vertex of the peak top 100 is set to be J1, and the shortest length from the surface of the pipeline 20 to the other surface of the plate body is set to be J2; wherein J1 ranges from 1 to 2.5mm, J2 ranges from 1 to 2.5 mm; the relationship between the maximum thickness H and the pipe radius R, length J1, and length J2 is: h ═ J1+ J2+ R; the minimum thickness L ranges from 2 to 5 mm.
Specifically, the ranges of J1 and J2 are 1-2.5mm and the range of the minimum thickness L is 2-5mm, so as to prevent the problem that the plate body is not enough to wrap the pipeline 20 to cause cracking.
Further, the radius of the curve of the peak top 100 is set to a; wherein the relationship between the curve radius a of the peak top 100 and the maximum thickness H and the minimum thickness L is: a-H-L.
Further, with the center of the curve of the crest 100 as the origin (0, 0), the thickness direction of the sheet material body is the y axis, the width direction of the sheet material body is the x axis, the curves of the crest 100, the crest waist 101 and the crest bottom 102 are respectively represented by the functional relationship between y and x, and the relationship is:
wherein: b is the curve radius of the peak waist;
a is the distance from the origin (0, 0) of the intersection point of the peak waist and the peak bottom;
b is the length of the line at the bottom of the peak;
e is the vertical distance from the intersection point of the peak waist part and the peak top part to the y axis;
wherein: a + B is 50mm and a ranges from 30-35 mm;
as an implementation of this embodiment:
two protrusions 10 are provided, and R is 5mm, J1 is J2 is 1.5mm, H is 13mm, L is 3mm, a is 30mm, and B is 20mm, so a is 10 mm; b is 46 mm; e-5.7143 mm.
In a word, the graphite plate changes the existing straight structure into the mountain peak-shaped structure, optimizes the transfer path of heat energy, and enables the heat energy transferred by the pipeline to be transferred to the bottom of the peak with high efficiency and low loss, thereby improving the heat energy radiation efficiency of the graphite plate and effectively shortening the time for radiating the heat energy to the indoor; meanwhile, compared with the existing straight structure, the graphite plate has the advantages that the number of materials used for the graphite plate with the mountain-peak-shaped structure is greatly reduced under the condition that the density of the graphite material is equal, so that the manufacturing cost is reduced, and the graphite plate has great economic benefit.
In summary, the radiation air conditioning system dehumidifies outdoor fresh air through the dehumidifying device, and the dehumidified outdoor fresh air enters the room through the fresh air device, so that the problem that dew condensation is easy to occur on the radiation surface of the radiation ceiling unit when the radiation ceiling unit is used for refrigeration is solved; meanwhile, the fresh air device can better replace indoor dirty air by combining an air supply mode of ground air inlet and air outlet, so that the quality of indoor living environment is improved; in addition, the graphite plate in the radiation ceiling unit of the radiation air-conditioning system changes the existing straight structure into a mountain peak-shaped structure, optimizes the transfer path of heat energy, and enables the heat energy transferred by the pipeline to be transferred to the bottom of the peak in a high-efficiency and low-loss manner, thereby improving the heat energy radiation efficiency of the graphite plate, effectively shortening the time for radiating the heat energy to the indoor space, improving the heating or refrigerating capacity of the radiation air-conditioning system, and further improving the quality of the indoor living environment.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. A radiant air conditioning system, comprising:
the radiation ceiling unit is connected with the control unit;
the radiating ceiling unit includes: a plurality of graphite radiation plates;
the graphite radiation plate includes: the heat insulation layer is positioned on the upper end surface of the graphite plate;
the graphite sheet material includes: a plate body;
the upper end surface of the plate body is provided with at least one bulge part suitable for wrapping a pipeline; and
the convex part is in a peak shape.
2. A radiant air conditioning system as claimed in claim 1,
the two sides of the convex part are symmetrically arranged, and a peak waist part and a peak bottom part are sequentially formed from the top of the peak downwards; wherein
The top and the waist of the peak are arc curves; and
when the convex parts are adjacent, the peak bottoms are connected to form an approximately flat area.
3. A radiant air conditioning system as claimed in claim 2,
setting the maximum thickness of the plate body as H and the minimum thickness as L;
wherein the maximum thickness H represents the vertical distance from the top of the peak to the other surface of the plate body, and the minimum thickness L represents the vertical distance from the bottom of the peak to the other surface of the plate body;
the circle center of the pipeline and the vertex of the peak top are coaxially arranged, the radius of the pipeline is set to be R, the shortest length of the surface of the pipeline from the vertex of the peak top is set to be J1, and the shortest length of the surface of the pipeline from the other surface of the plate body is set to be J2;
wherein J1 ranges from 1 to 2.5mm, J2 ranges from 1 to 2.5 mm; and
the maximum thickness H is related to the pipe radius R, the length J1, and the length J2 by: h ═ J1+ J2+ R;
the minimum thickness L ranges from 2 to 5 mm.
4. A radiant air conditioning system as claimed in claim 3,
setting the radius of a curve at the top of the peak as a; wherein
The relation between the curve radius a at the top of the peak and the maximum thickness H and the minimum thickness L is as follows:
a＝H-L。
5. a radiant air conditioning system as claimed in claim 4,
the center of a circle of a curve at the top of the peak is used as an original point (0, 0), the thickness direction of the plate body is a y axis, the width direction of the plate body is an x axis, curves at the top of the peak, the waist of the peak and the bottom of the peak are respectively expressed by a functional relationship between y and x, and the relational expression is as follows:
wherein: b is the curve radius of the peak waist;
a is the distance from the origin (0, 0) to the intersection of the waist and the bottom of the peak;
b is the length of the line at the bottom of the peak;
e is the vertical distance between the peak waist and the junction of the peak top and the y axis;
wherein: a + B is 50mm, and A ranges from 30-35 mm;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111398845.7A CN114087685A (en) | 2019-07-29 | 2019-07-29 | Radiation air conditioning system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910686945.6A CN110375406B (en) | 2019-07-29 | 2019-07-29 | Radiation air conditioning system |
| CN202111398845.7A CN114087685A (en) | 2019-07-29 | 2019-07-29 | Radiation air conditioning system |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910686945.6A Division CN110375406B (en) | 2019-07-29 | 2019-07-29 | Radiation air conditioning system |
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| CN114087685A true CN114087685A (en) | 2022-02-25 |
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| CN201910686945.6A Active CN110375406B (en) | 2019-07-29 | 2019-07-29 | Radiation air conditioning system |
| CN202111398845.7A Pending CN114087685A (en) | 2019-07-29 | 2019-07-29 | Radiation air conditioning system |
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| CN110285512A (en) * | 2019-06-04 | 2019-09-27 | 上海工程技术大学 | A kind of metal radiation ceiling plate and preparation method thereof |
| CN110397204A (en) * | 2019-07-29 | 2019-11-01 | 江苏碳元绿色建筑科技有限公司 | Graphite plate, preparation method thereof and graphite radiation ceiling board |
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- 2019-07-29 CN CN202111398845.7A patent/CN114087685A/en active Pending
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Also Published As
| Publication number | Publication date |
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| CN110375406B (en) | 2021-11-26 |
| CN110375406A (en) | 2019-10-25 |
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