CN115751536A - Cold radiation plate device of cold radiation ceiling - Google Patents
Cold radiation plate device of cold radiation ceiling Download PDFInfo
- Publication number
- CN115751536A CN115751536A CN202211479340.8A CN202211479340A CN115751536A CN 115751536 A CN115751536 A CN 115751536A CN 202211479340 A CN202211479340 A CN 202211479340A CN 115751536 A CN115751536 A CN 115751536A
- Authority
- CN
- China
- Prior art keywords
- cold radiation
- heat exchange
- cold
- radiation module
- tube
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- 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 cold radiation plate device of a cold radiation ceiling, which comprises more than two cold radiation module groups, wherein each cold radiation module group comprises more than two cold radiation modules, each cold radiation module comprises a heat insulation layer, a heat exchange tube, a connecting piece and a cold radiation plate, the more than two connecting pieces are connected to the cold radiation plate, the heat exchange tubes are wavy, the heat exchange tubes are connected with all the connecting pieces, each longitudinal section of each heat exchange tube is correspondingly connected with one connecting piece, the heat insulation layer is connected to the cold radiation plate, the heat insulation layer wraps all the heat exchange tubes, and the distance between every two adjacent connecting pieces on the cold radiation modules is the same; in each cold radiation module group, the heat exchange tubes on the adjacent cold radiation modules are connected through a connecting tube, the heat exchange tube on the leftmost cold radiation module is connected with a water inlet tube, the heat exchange tube on the rightmost cold radiation module is connected with a water outlet tube, the intervals on each cold radiation module are different, and the heat exchange tubes on all the cold radiation module groups are connected in series. The invention has the advantages of uniform temperature distribution and high heat exchange efficiency.
Description
Technical Field
The invention relates to the technical field of radiation heat exchange, in particular to a cold radiation plate device of a cold radiation ceiling.
Background
The radiation ceiling cooling has the characteristics of good indoor thermal comfort, no indoor space occupation, energy conservation and the like.
Radiant cooling is mainly the transfer of cold by means of thermal radiation, which is the way an object has its own temperature to radiate electromagnetic waves to transfer energy. The cold radiation ceiling is characterized in that radiation plates are connected in series to form a radiation unit and are arranged in a suspended ceiling of a room, a refrigerant is introduced into the radiation plates, and the radiation plates exchange heat with other surfaces of an indoor enclosure structure, furniture, a human body and the like in a convection mode and a radiation mode to achieve the purpose of cooling. Compared with the traditional air-conditioning mode, the air-conditioning system has the characteristics of no blowing sense, good indoor thermal comfort, no occupation of indoor space, energy conservation and the like.
In engineering application, the cold radiation ceiling is generally large in covering area of an air conditioning area in order to ensure enough cooling capacity for eliminating sensible heat on the inner surface of indoor personnel, equipment and a maintenance structure, but temperature difference exists on the surface of a radiation plate corresponding to the positions of water pipes of an inlet and an outlet of the radiation plate, and the temperature difference is more obvious along with the increase of the length of the pipeline, so that the problem of non-uniformity of surface temperature distribution is caused, and the integral heat exchange performance is influenced. To the cold radiation furred ceiling that conventional heat exchange tube equidistant range cold radiation board is established ties and is constituteed, this problem is especially obvious, not only can make whole surface temperature uneven distribution, still can cause the cooling ability not enough to make indoor thermal comfort reduce.
Disclosure of Invention
In view of the above technical problems, the present invention aims to provide a cold radiation plate device for a cold radiation ceiling, which solves the above technical problems through a smart structural design improvement.
The invention provides the following technical scheme:
a cold radiation plate device of a cold radiation ceiling comprises more than two cold radiation module groups, each cold radiation module group comprises more than two cold radiation modules, each cold radiation module comprises a heat insulation layer, a heat exchange tube, a connecting piece and a cold radiation plate, the more than two connecting pieces are connected to the cold radiation plates, the heat exchange tubes are wavy, the heat exchange tubes are connected with all the connecting pieces, each longitudinal section of each heat exchange tube is correspondingly connected with one connecting piece, the heat insulation layer is connected to the cold radiation plates, the heat insulation layer wraps all the heat exchange tubes, and the distance between every two adjacent connecting pieces on the cold radiation modules is the same;
in each cold radiation module group, the heat exchange tubes on the adjacent cold radiation modules are connected through a connecting tube, the heat exchange tube on the leftmost cold radiation module is connected with a water inlet tube, the heat exchange tube on the rightmost cold radiation module is connected with a water outlet tube, the intervals on each cold radiation module are different, and the heat exchange tubes on all the cold radiation module groups are connected in series.
Advantageously, the spacing on the cold radiation modules decreases one by one from left to right.
Advantageously, the connecting member is provided with a groove, and the heat exchange tube is connected in the groove.
Advantageously, the heat insulation layer comprises centrifugal glass wool and flame-retardant non-woven fabric, and the flame-retardant non-woven fabric is wrapped outside the centrifugal glass wool.
Advantageously, said cold radiant panel is an aluminium gusset.
Advantageously, the inlet tube water inlet and the outlet tube water outlet face in the same direction.
Advantageously, the inlet tube water inlet and the outlet tube water outlet are oriented in different directions.
The invention has the following beneficial effects:
according to the cold radiation plate device of the cold radiation ceiling, provided by the invention, as water enters from the left and flows out from the right, the space is gradually decreased from the left to the right, and the longitudinal sections of the wavy heat exchange tubes on the cold radiation modules are sequentially increased from the left to the right, the cold quantity transmitted by each cold radiation module is not too different, the problems of reduced comfort and insufficient cold supply capacity caused by uneven indoor temperature distribution are prevented, and the cold radiation plate device has the advantages of uniform integral surface temperature distribution, high heat exchange efficiency and the like.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic view showing the overall construction of a cold radiation plate unit of a cold radiation ceiling according to an embodiment of the present invention;
fig. 2 is a bottom view of the leftmost cooling module of one of the cooling module groups of fig. 1;
fig. 3 is a bottom view of a cold radiation module in the middle of one of the cold radiation module groups of fig. 1;
fig. 4 is a bottom view of the rightmost cold radiation module of one of the cold radiation module groups of fig. 1.
Reference numerals: heat preservation 1, heat exchange tube 2, connecting piece 3, interval 31, recess 32, cold radiation board 4, inlet tube 5, outlet pipe 6, connecting pipe 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
Referring to fig. 1 to 4, the cold radiation plate device of the cold radiation ceiling provided by the invention comprises more than two cold radiation module groups, each cold radiation module group comprises more than two cold radiation modules, each cold radiation module comprises a heat insulation layer 1, a heat exchange tube 2, a connecting piece 3 and a cold radiation plate 4, the more than two connecting pieces 3 are connected to the cold radiation plate 4, the heat exchange tubes 2 are wavy, the heat exchange tubes 2 are connected with all the connecting pieces 3, each longitudinal section of each heat exchange tube 2 is correspondingly connected with one connecting piece 3, the heat insulation layer 1 is connected to the cold radiation plate 4, the heat insulation layer 1 wraps all the heat exchange tubes 2, and the distance 31 between every two adjacent connecting pieces 3 on the cold radiation modules is the same;
in each cold radiation module group, the heat exchange tubes 2 on the adjacent cold radiation modules are connected through a connecting tube 7, the heat exchange tube 2 on the leftmost cold radiation module is connected with a water inlet tube 5, the heat exchange tube 2 on the rightmost cold radiation module is connected with a water outlet tube 6, the intervals 31 on each cold radiation module are all different, and the heat exchange tubes 2 on all the cold radiation module groups are connected in series.
In an alternative embodiment of the invention, the distances 31 on the cold radiation modules decrease from left to right.
In an alternative embodiment of the present invention, the connecting member 3 is provided with a groove 32, and the heat exchange tube 2 is connected in the groove 32.
In an alternative embodiment of the present invention, the insulation layer 1 comprises centrifugal glass wool and flame-retardant non-woven fabric, and the flame-retardant non-woven fabric is wrapped outside the centrifugal glass wool.
In an alternative embodiment of the invention, the cold radiant panel 4 is an aluminum gusset panel.
In an alternative embodiment of the present invention, the water inlet of the water inlet pipe 5 and the water outlet of the water outlet pipe 6 face the same direction.
In an alternative embodiment of the present invention, the water inlet of the water inlet pipe 5 and the water outlet of the water outlet pipe 6 face different directions.
Example 1
As shown in fig. 1, the cold radiation plate device of the cold radiation ceiling of the present invention has three cold radiation modules per set of cold radiation modules.
In a cold radiation module group, turn right from a left side, the longitudinal segment number of wavy heat exchange tube 2 on the cold radiation module is 4, 5, 6 sections respectively, and heat preservation 1 is in order to prevent heat exchange tube 2's cold volume loss, and the material of heat preservation 1 includes that centrifugal glass is cotton and the fire-retardant non-woven fabrics of parcel in centrifugal glass is cotton outside, and centrifugal glass is cotton can keep warm effectually, and fire-retardant non-woven fabrics can prevent fires and play certain heat preservation effect.
The heat exchange fluid in the heat exchange tubes 2 is water, the cold radiation plates 4 are aluminum pinch plates, the heat transfer effect is good, the water enters the heat exchange tubes 2 on the leftmost cold radiation modules in all the cold radiation module groups from the water inlet tube 5, the water flows through all the heat exchange tubes 2 in the cold radiation module groups from left to right, and flows out of the heat exchange tubes 2 on the rightmost cold radiation modules in all the cold radiation module groups to the water outlet tube 6, and cooling is completed.
Because water gets into from the left side and flows out from the right side, interval 31 is turned right from a left side and is decreased progressively one by one, and the longitudinal section number of wavy heat exchange tube 2 on the cold radiation module is turned right from a left side and is increased in proper order, and consequently the cold volume of every cold radiation module transmission can not differ too much, prevents that indoor temperature distribution is inhomogeneous to lead to the problem that the comfort level reduces and the cooling capacity is not enough, has advantages such as whole surface temperature distribution is even, heat exchange efficiency height.
Example 2
As shown in fig. 1, the cold radiation plate device of the cold radiation ceiling of the present invention has three cold radiation modules per one cold radiation module group.
In each wavy heat exchange tube 2, the interval between adjacent longitudinal sections is w, and from left to right, w on the cold radiation module is w respectively 1 、w 2 、w 3 ...w n 。
In each cold radiation module, the distance between the longitudinal section at the leftmost side of the wavy heat exchange tube 2 and the left edge of the cold radiation module is e, the distance is from left to right, and e on the cold radiation module is e respectively 1 、e 2 、e 3 ...e n 。
There are 6 combinations of w and e:
(1) in a cold radiation module group, turn right from a left side, the longitudinal section number of wavy heat exchange tube 2 on the cold radiation module is 4, 5 sections respectively, and the heat exchange tube interval value relation between its adjacent radiant panels is: w is a 1 ＝w 2 >w 3 ,e 1 ＝e 2 >e 3 ；
(2) In a cold radiation module group, from left to right, the longitudinal section number of the wavy heat exchange tube 2 on the cold radiation module is respectively 4, 4 and 6 sections, and the value-taking relationship of the interval of the heat exchange tubes between the adjacent radiation plates is as follows: w is a 1 ＝w 2 >w 3 ,e 1 ＝e 2 >e 3 ；
(3) In a cold radiation module group, turn right from a left side, the longitudinal section number of wavy heat exchange tube 2 on the cold radiation module is 4, 5 sections respectively, and the heat exchange tube interval value relation between its adjacent radiant panels is: w is a 1 >w 2 ＝w 3 ,e 1 >e 2 ＝e 3 ；
(4) In a cold radiation module group, turn right from a left side, the longitudinal section number of wavy heat exchange tube 2 on the cold radiation module is 4, 6 sections respectively, and the heat exchange tube interval value relation between its adjacent radiant panels is: w is a 1 >w 2 ＝w 3 ,e 1 >e 2 ＝e 3 ；
(5) In a cold radiation module group, turn right from a left side, the longitudinal section number of wavy heat exchange tube 2 on the cold radiation module is 5, 6 sections respectively, and the heat exchange tube interval value relation between its adjacent radiant panels is: w is a 1 ＝w 2 >w 3 ,e 1 ＝e 2 >e 3 ；
(6) In a cold radiation module group, turn right from a left side, the longitudinal section number of wavy heat exchange tube 2 on the cold radiation module is 5, 6 sections respectively, and the heat exchange tube interval value relation between its adjacent radiant panels is: w is a 1 >w 2 ＝w 3 ,e 1 >e 2 ＝e 3 。
In this embodiment, the size of the surface of a single cold radiation plate 4 can be customized according to the room, the number and length of the heat exchange tubes 2 can be changed according to the required heat exchange amount and the size of the cold radiation plate 4, and the number of the tube sections in the radiation plate can be adjusted according to the situation in the actual engineering of the combination of the number of the tube sections, and is not limited to the 4, 5 and 6 sections.
Example 3
When each cold radiation module group is provided with four cold radiation modules, the interval between adjacent longitudinal sections in each wavy heat exchange tube 2 is w, and the w on each cold radiation module is w from left to right 1 、w 2 、w 3 ...w n 。
In each cold radiation module, the distance between the leftmost longitudinal section of the wavy heat exchange tube 2 and the left edge of the cold radiation module is e, the distance is from left to right, and e on the cold radiation module is e respectively 1 、e 2 、e 3 ...e n 。
There are 11 combinations of w and e:
(1) in a cold radiation module group, from left to right, the longitudinal section number of the wavy heat exchange tube 2 on the cold radiation module is respectively 4, 5 sections, and the value-taking relationship of the interval of the heat exchange tube between the adjacent radiation plates is as follows: w is a 1 ＝w 2 ＝w 3 >w 4 ,e 1 ＝e 2 ＝e 3 >e 4 ；
(2) In a cold radiation module group, turn right from a left side, the longitudinal section number of wavy heat exchange tube 2 on the cold radiation module is 4, 6 sections respectively, and the heat exchange tube interval value relation between its adjacent radiant panels is: w is a 1 ＝w 2 ＝w 3 >w 4 ,e 1 ＝e 2 ＝e 3 >e 4 ；
(3) In a cold radiation module group, turn right from a left side, the longitudinal section number of wavy heat exchange tube 2 on the cold radiation module is 4, 5 sections respectively, and the heat exchange tube interval value relation between its adjacent radiant panels is: w is a 1 ＝w 2 >w 3 ＝w 4 ,e 1 ＝e 2 >e 3 ＝e 4 ；
(4) In a cold radiation module group, from left to right, the longitudinal section number of the wavy heat exchange tube 2 on the cold radiation module is respectively 4, 5 and 6 sections, and the value-taking relationship of the interval of the heat exchange tubes between the adjacent radiation plates is as follows: w is a 1 ＝w 2 >w 3 >w 4 ,e 1 ＝e 2 >e 3 >e 4 ；
(5) In a cold radiation module group, from left to right, the longitudinal section number of the wavy heat exchange tube 2 on the cold radiation module is respectively 4, 6 sections, and the value-taking relationship of the interval of the heat exchange tube between the adjacent radiation plates is as follows: w is a 1 ＝w 2 >w 3 ＝w 4 ,e 1 ＝e 2 >e 3 ＝e 4 ；
(6) In a cold radiation module group, turn right from a left side, the longitudinal section number of wavy heat exchange tube 2 on the cold radiation module is 4, 5 sections respectively, and the heat exchange tube interval value relation between its adjacent radiant panels is: w is a 1 >w 2 ＝w 3 ＝w 4 ,e 1 >e 2 ＝e 3 ＝e 4 ；
(7) In a cold radiation module group, turn right from a left side, the longitudinal section number of wavy heat exchange tube 2 on the cold radiation module is 4, 5, 6 sections respectively, and the heat exchange tube interval value relation between its adjacent radiant panels is: w is a 1 >w 2 ＝w 3 >w 4 ,e 1 >e 2 ＝e 3 >e 4 ；
(8) In a cold radiation module group, turn right from a left side, the longitudinal section number of wavy heat exchange tube 2 on the cold radiation module is 4, 5, 6 sections respectively, and the heat exchange tube interval value relation between its adjacent radiant panels is: w is a 1 >w 2 >w 3 ＝w 4 ,e 1 >e 2 >e 3 ＝e 4 ；
(9) In a cold radiation module group, from left to right, the longitudinal section number of the wavy heat exchange tube 2 on the cold radiation module is respectively 4, 6 sections, and the value-taking relationship of the interval of the heat exchange tube between the adjacent radiation plates is as follows: w is a 1 >w 2 ＝w 3 ＝w 4 ,e 1 >e 2 ＝e 3 ＝e 4 ；
The red (R) is in a cold radiation module group, turns right from a left side, and the number of the longitudinal sections of the wavy heat exchange tube 2 on the cold radiation module is 5, 5 and 6 sections respectively, and the value relation of the interval between the adjacent radiation plates is as follows: w is a 1 ＝w 2 ＝w 3 >w 4 ,e 1 ＝e 2 ＝e 3 >e 4 ；
In this embodiment, the size of the surface of a single cold radiation plate 4 can be customized according to the room, the number and length of the heat exchange tubes 2 can be changed according to the required heat exchange amount and the size of the cold radiation plate 4, and the number of the tube sections in the radiation plate can be adjusted according to the situation in the actual engineering.
Components, modules, mechanisms, devices, etc. not describing the structure in detail are all common standard components or components known to those skilled in the art, and the structure and principle of the components can be known to those skilled in the art through technical manuals or through routine experiments.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A cold radiation plate device of a cold radiation ceiling is characterized by comprising more than two cold radiation module groups, each cold radiation module group comprises more than two cold radiation modules, each cold radiation module comprises a heat insulation layer (1), a heat exchange tube (2), a connecting piece (3) and a cold radiation plate (4), the more than two connecting pieces (3) are connected to the cold radiation plates (4), the heat exchange tubes (2) are wavy, the heat exchange tubes (2) are connected with all the connecting pieces (3), each longitudinal section of each heat exchange tube (2) is correspondingly connected with one connecting piece (3), the heat insulation layers (1) are connected to the cold radiation plates (4), the heat insulation layers (1) wrap all the heat exchange tubes (2), and the distance (31) between every two adjacent connecting pieces (3) on each cold radiation module is the same;
in each cold radiation module group, heat exchange tubes (2) on adjacent cold radiation modules are connected through a connecting tube (7), the heat exchange tube (2) on the leftmost cold radiation module is connected with a water inlet tube (5), the heat exchange tube (2) on the rightmost cold radiation module is connected with a water outlet tube (6), the distance (31) on each cold radiation module is different, and the heat exchange tubes (2) on all the cold radiation module groups are connected in series.
2. The cold radiant panel device of a cold radiant ceiling as claimed in claim 1, wherein said spacing (31) on said cold radiant modules decreases one by one from left to right.
3. The cold radiation plate device of the cold radiation ceiling as claimed in claim 1, wherein the connecting member (3) is provided with a groove (32), and the heat exchange pipe (2) is connected in the groove (32).
4. The cold radiation plate device of the cold radiation ceiling as claimed in claim 1, wherein the heat insulating layer (1) comprises centrifugal glass wool and flame retardant non-woven fabric, and the flame retardant non-woven fabric is wrapped outside the centrifugal glass wool.
5. The cold radiant panel unit of a cold radiant ceiling as claimed in claim 1, wherein said cold radiant panel (4) is an aluminum gusset panel.
6. The cold radiation plate device of a cold radiation ceiling as claimed in claim 1, wherein the water inlet of the water inlet pipe (5) and the water outlet of the water outlet pipe (6) are oriented in the same direction.
7. The cold radiation plate device of a cold radiation ceiling as claimed in claim 1, wherein the water inlet of the water inlet pipe (5) and the water outlet of the water outlet pipe (6) are oriented in different directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211479340.8A CN115751536A (en) | 2022-11-24 | 2022-11-24 | Cold radiation plate device of cold radiation ceiling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211479340.8A CN115751536A (en) | 2022-11-24 | 2022-11-24 | Cold radiation plate device of cold radiation ceiling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115751536A true CN115751536A (en) | 2023-03-07 |
Family
ID=85336621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211479340.8A Pending CN115751536A (en) | 2022-11-24 | 2022-11-24 | Cold radiation plate device of cold radiation ceiling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115751536A (en) |
-
2022
- 2022-11-24 CN CN202211479340.8A patent/CN115751536A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103398507B (en) | A kind of heat pump and air conditioner | |
| CN109890183B (en) | Heat dissipation cabinet of data center machine room | |
| JP2019015503A (en) | Heat source unit | |
| CN214950815U (en) | Radiation heat exchange plate, radiation heat exchange plate set and radiation heat exchange system | |
| CN106556059A (en) | A kind of calm or breeze air conditioner indoor set | |
| CN107421039A (en) | A kind of Combined Heat Pump System | |
| JP2010054075A (en) | Cooling system for electronic communication device room | |
| KR102501478B1 (en) | Slim type heat exchange moudle installed in heat energy recovery ventilation system | |
| CN115751536A (en) | Cold radiation plate device of cold radiation ceiling | |
| US3524500A (en) | Heat transmission system | |
| CN212253802U (en) | Radiation heat exchange plate and radiation heat exchange system | |
| CN102192565A (en) | Radiation-plane flow distribution adjustment system for air conditioner | |
| US20210318021A1 (en) | Air-conditioning air outlet device and air conditioner | |
| US11441315B2 (en) | System for heating and cooling a room with insulating layer | |
| CN111829075A (en) | Thin type air conditioner indoor heat exchange system | |
| CN207501337U (en) | Radiation recuperator, air conditioner indoor unit and air conditioner | |
| CN219063600U (en) | Air conditioner indoor unit and air conditioner | |
| CN115264676A (en) | Become tub interval furred ceiling radiation board | |
| CN212511483U (en) | Thin type air conditioner indoor heat exchange system | |
| CN216159159U (en) | Indoor unit of air conditioner | |
| CN210951882U (en) | Heat exchange device and gas water heater | |
| CN112050469A (en) | Heat exchange device and gas water heater | |
| CN212463891U (en) | Cabinet and data machine room cooling system | |
| CN216159168U (en) | Indoor unit of air conditioner | |
| CN216159167U (en) | Indoor unit of air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |