CN112987875A - Can dustproof radiating computer mainframe - Google Patents
Can dustproof radiating computer mainframe Download PDFInfo
- Publication number
- CN112987875A CN112987875A CN202110317700.3A CN202110317700A CN112987875A CN 112987875 A CN112987875 A CN 112987875A CN 202110317700 A CN202110317700 A CN 202110317700A CN 112987875 A CN112987875 A CN 112987875A
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- China
- Prior art keywords
- air
- air supply
- branch pipeline
- heat exchange
- box body
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/181—Enclosures
- G06F1/182—Enclosures with special features, e.g. for use in industrial environments; grounding or shielding against radio frequency interference [RFI] or electromagnetical interference [EMI]
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
- G06F2200/20—Indexing scheme relating to G06F1/20
- G06F2200/201—Cooling arrangements using cooling fluid
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a dustproof and heat-dissipating computer mainframe box, which comprises a sealed case and a circulating pipeline, wherein the circulating pipeline is connected with a power pump, a liquid storage tank and a radiator in series and comprises a first branch pipeline, a second branch pipeline and a third branch pipeline which are connected in parallel, and the first branch pipeline, the second branch pipeline and the third branch pipeline all penetrate through the case; the air supply grid frame is positioned on one side of the radiator; the air supply box is communicated with the air supply grid frame; the heat exchange fins are arranged on one side of a heating element in the case; the heat exchange fins are connected in series to the first branch pipeline; the heat exchanger comprises an air duct, wherein the air duct is arranged on the outer side of a heat exchange sheet; comprises an air supply barrel connected with an air supply ring; the air supply ring is of a hollow shell structure and is fixed at one end of the air guide cylinder, which faces the heat exchange fin; the invention adopts a sealed case structure to isolate the communication of the air inside and outside, and thoroughly isolate the dust; the heat exchange of the heating element and the temperature reduction of the internal environment of the box body are realized by multi-channel liquid cooling heat dissipation, the heat dissipation effect is ensured, and the service life of the computer is prolonged.
Description
Technical Field
The invention belongs to the technical field of computer equipment, and particularly relates to a dustproof and heat-dissipating computer mainframe box.
Background
The computer is one of the most advanced scientific and technical inventions in the 20 th century, has extremely important influence on the production activities and social activities of human beings, and develops rapidly with strong vitality. The application field of the system is expanded to various fields of society, a large-scale computer industry is formed, technical progress in the global range is driven, and accordingly, deep social change is initiated, computers spread throughout general schools, enterprises and public institutions, enter ordinary families and become necessary tools in the information society; the computer is composed of a hardware system and a software system, the main case is used as a part of the computer hardware, and has the main functions of placing and fixing various computer accessories, and has the functions of supporting and protecting. In order to increase the heat dissipation efficiency of computer components, the conventional mainframe box is often provided with heat dissipation holes on the side surface of the mainframe box, and a fan is installed in a matching manner to improve the heat dissipation efficiency.
According to the dustproof heat dissipation computer mainframe box in the prior art, dust is prevented from being accumulated on the mainframe box and a computer element in the modes of dust filtration, dust collection, automatic dust cleaning, dust dissipation and the like, so that the computer element faults are reduced, the heat dissipation efficiency is improved, the dust cleaning period is prolonged, and the service life of a computer is prolonged. However, the computer case still cannot completely isolate dust from the internal environment of the computer case due to the requirement of sufficient heat dissipation effect, and the computer case still needs to be cleaned regularly, so that the risk of damaging computer elements still exists.
Disclosure of Invention
The invention aims to provide a dustproof and heat-dissipating computer mainframe box, which adopts a sealed case structure to isolate the communication of air inside and outside and thoroughly isolate dust; the heat exchange of the heating element and the temperature reduction of the internal environment of the box body are realized by multi-channel liquid cooling heat dissipation, the heat dissipation effect is ensured, and the service life of the computer is prolonged.
In order to achieve the purpose, the invention provides the following technical scheme: a computer mainframe box capable of preventing dust and dissipating heat comprises a closed case and a circulating pipeline, wherein the circulating pipeline is connected with a power pump, a liquid storage tank and a radiator in series, and the power pump, the liquid storage tank and the radiator are all positioned on the outer side of the case; the circulating pipeline is connected in series with two ends of the first branch pipeline, the second branch pipeline and the third branch pipeline, and the first branch pipeline, the second branch pipeline and the third branch pipeline penetrate through the case;
the air supply grid frame is composed of tubular structures, the intersecting tubular structures are communicated, the sections of the tubular structures are isosceles trapezoid frames, the upper bottom edges of the isosceles trapezoid frames face the radiator, the inclined surfaces of the tubular structures are provided with first air outlet seams facing the radiator, and a plurality of first reinforcing rods are arranged in the first air outlet seams;
the air supply box comprises a first box body, a first impeller is arranged on the upper portion of the first box body, a first motor for driving the first impeller to rotate is mounted on the first box body, first air inlet meshes are arranged on the lower portion of the first box body, and an air guide pipe communicated with an air supply grid frame is connected to the upper portion of the first box body;
the heat exchange fins are arranged on one side of a heating element in the case and are in contact with the heating element; a hidden channel which is folded back and forth is arranged in the heat exchange sheet and is connected into the first branch pipeline in series;
the air guide cylinder is arranged on the outer side of the heat exchange fins and corresponds to the heat exchange fins one by one; the air guide cylinder comprises a first cylinder body, a first spiral pipe is arranged in the first cylinder body, and the first spiral pipe is connected into the second branch pipeline in series;
the air supply device comprises an air supply barrel, wherein the air supply barrel comprises a second barrel, a second box body is arranged in the second barrel, and a support is connected between the second barrel and the second box body; a second impeller is arranged at the lower part of the second box body, a second motor for driving the second impeller to rotate is mounted on the second box body, a second air inlet mesh is arranged at the upper part of the second box body, a second spiral pipe is arranged between the second cylinder body and the second box body and positioned outside the second air inlet mesh, and the second spiral pipe is connected into a third branch pipeline in series;
the upper end of the second cylinder is an air inlet end, the lower end of the second cylinder is an air outlet end, and the air outlet ends of the second cylinder are connected with air supply rings; the air supply rings correspond to the air guide cylinders one by one, are of hollow shell structures and are fixed at one end, facing the heat exchange fins, of the air guide cylinder; the inner ring side of the air supply ring is provided with an inclined plane, the inclined plane is provided with a second air outlet seam facing the heat exchange sheet, and a plurality of second reinforcing rods are arranged in the second air outlet seam.
Further, the radiator is a tube which is folded back and forth; the liquid outlet end of the liquid storage tank is positioned at the lower end, and the liquid inlet end of the liquid storage tank is positioned at the upper end; the power pump is arranged on a circulating pipeline connected with the liquid outlet end of the liquid storage tank.
Furthermore, two ends of the first reinforcing rod are fixedly connected with two side walls of the first air outlet seam; the second reinforcing rod is fixedly connected with two side walls of the second air outlet seam.
Furthermore, the heat exchange sheet is an aluminum sheet; mounting plates are arranged at the four corners of each heat exchange plate, and each mounting plate is provided with a through hole; the heating element comprises a CPU, a power supply and a display card.
Further, the first spiral pipe and the second spiral pipe are both metal pipes.
Furthermore, the air outlet end of the second cylinder is communicated with the inner part of the air supply ring, and the central line of the air supply ring and the central line of the air guide cylinder are positioned on the same straight line.
The invention has the following beneficial effects:
the invention adopts a sealed case structure to isolate the communication of the air inside and outside, and thoroughly isolate the dust; the multichannel liquid cooling heat dissipation, the bladeless air supply realizes heating element's heat transfer and the inside environment cooling of box, guarantees the radiating effect, improves computer life.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the heat sink of the present invention.
FIG. 3 is a schematic view of an air supply grid according to the present invention.
FIG. 4 is a schematic cross-sectional view of the tubular structure of the air supply grid of the present invention.
Fig. 5 is a schematic view of the blow box of the present invention.
Fig. 6 is a schematic view of a plate of the present invention.
Fig. 7 is a schematic view of the barrel of the present invention.
Fig. 8 is a schematic view of the blowing ring of the present invention.
FIG. 9 is a schematic cross-sectional side view of a blower ring according to the present invention.
In the figure: 1. the air conditioner comprises a case, 2, a circulating pipeline, 3, a power pump, 4, a liquid storage box, 5, a radiator, 6, an air supply grid frame, 7, an air supply box, 8, a heat exchange plate, 9, an air guide cylinder, 10, an air supply cylinder, 11, an air supply ring, 21, a first branch pipeline, 22, a second branch pipeline, 23, a third branch pipeline, 61, a first air outlet seam, 62, a first reinforcing rod, 71, a first box body, 72, a first impeller, 73, a first motor, 74, a first air inlet mesh hole, 75, an air guide pipe, 81, a hidden channel, 82, a mounting plate, 91, a first barrel body, 92, a first spiral pipe, 101, a second barrel body, 102, a second box body, 103, a support, 104, a second impeller, 105, a second motor, 106, a second air inlet mesh hole, 107, a second spiral pipe, 111, a second air outlet seam, 112 and a second reinforcing rod.
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 is to be understood that the terms "middle", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-9, the present embodiment provides a computer mainframe box capable of preventing dust and dissipating heat, including a closed case 1 and a circulation pipeline 2, where the circulation pipeline 2 is connected in series with a power pump 3, a liquid storage tank 4 and a heat sink 5, and the power pump 3, the liquid storage tank 5 and the heat sink 5 are all located outside the case 1; the circulating pipeline system comprises a first branch pipeline 21, a second branch pipeline 22 and a third branch pipeline 23 which are connected in parallel, wherein two ends of the first branch pipeline 21, the second branch pipeline 22 and the third branch pipeline 23 are all connected into the circulating pipeline 2 in series, and the first branch pipeline 21, the second branch pipeline 22 and the third branch pipeline 23 all penetrate through the case 1;
the air supply grid frame 6 is composed of tubular structures, the intersecting tubular structures are communicated, the sections of the tubular structures are isosceles trapezoid frames, the upper bottom edges of the isosceles trapezoid frames face the radiator 5, the inclined planes of the tubular structures are provided with first air outlet seams 61 facing the radiator 5, and a plurality of first reinforcing rods 62 are arranged in the first air outlet seams 61;
the air supply box 7 comprises an air supply box 7, wherein the air supply box 7 comprises a first box body 71, a first impeller 72 is arranged at the upper part of the first box body 71, a first motor 73 for driving the first impeller 72 to rotate is installed on the first box body 71, a first air inlet mesh 74 is arranged at the lower part of the first box body 71, and an air guide pipe 75 communicated with the air supply grid frame 6 is connected to the upper part of the first box body 71;
the heat exchange fins 8 are arranged on one side of a heating element in the case 1 and are in contact with the heating element; a hidden channel 81 which is folded back and forth is arranged in the heat exchange plate 8, and the hidden channel 81 is connected in series into the first branch pipeline 21;
the air guide cylinder 9 is arranged on the outer side of the heat exchange fins 8 and corresponds to the heat exchange fins 8 one by one; the air duct 9 comprises a first duct 91, a first spiral duct 92 is arranged in the first duct 91, and the first spiral duct 92 is connected in series into the second branch duct 22;
the air supply device comprises an air supply barrel 10, wherein the air supply barrel 10 comprises a second barrel 101, a second box body 102 is arranged in the second barrel 101, and a support 103 is connected between the second barrel 101 and the second box body 102; a second impeller 104 is arranged at the lower part of the second box body 102, a second motor 105 for driving the second impeller 104 to rotate is arranged on the second box body 102, a second air inlet mesh hole 106 is arranged at the upper part of the second box body 102, a second spiral pipe 107 is arranged between the second cylinder body 101 and the second box body 102, the second spiral pipe 107 is positioned at the outer side of the second air inlet mesh hole 106, and the second spiral pipe 107 is connected in series into the third branch pipeline 23;
the upper end of the second cylinder 101 is an air inlet end, the lower end of the second cylinder 101 is an air outlet end, and the air outlet ends of the second cylinder 101 are connected with the air supply ring 11; the air supply rings 11 correspond to the air guide cylinders 9 one by one, and the air supply rings 11 are of a hollow shell structure and are fixed at one ends, facing the heat exchange fins 8, of the air guide cylinders 9; the inner ring side of the air supply ring 11 is provided with an inclined plane, the inclined plane is provided with a second air outlet seam 111 facing the heat exchange fin 8, and a plurality of second reinforcing rods 112 are arranged in the second air outlet seam 111.
In this embodiment, the radiator 5 is a tube folded back and forth; the liquid outlet end of the liquid storage tank 4 is positioned at the lower end, and the liquid inlet end of the liquid storage tank 4 is positioned at the upper end; the power pump 3 is arranged on the circulating pipeline 2 connected with the liquid outlet end of the liquid storage tank 4.
In this embodiment, two ends of the first reinforcing rod 62 are fixedly connected to two side walls of the first air outlet slit 61; the second reinforcing rod 112 is fixedly connected with two side walls of the second air outlet slot 111.
In this embodiment, the heat exchange fins 8 are aluminum sheets; mounting plates 82 are arranged at four corners of the heat exchange plate 8, and the mounting plates 82 are provided with through holes; the heating element comprises a CPU, a power supply and a display card.
In this embodiment, the first and second volutes 92, 107 are both metal tubes.
In this embodiment, the air outlet end of the second cylinder 101 is communicated with the inside of the air supply ring 11, and the center line of the air supply ring 11 and the center line of the air duct 9 are located on the same straight line.
When the invention is implemented, the power pump 3 drives the cooling liquid in the liquid storage tank 4 to respectively enter the first branch pipeline 21, the second branch pipeline 22 and the third branch pipeline 23 through the circulating pipeline 2. The cooling liquid of the first branch pipeline 21 flows through the heat exchange plate 8 contacted with the heating element to directly cool the heat exchange plate 8 and the heating element; the cooling liquid of the second branch pipeline 22 flows through the first spiral pipe 92 of the air guide duct 9, when the air passes through the first cylinder 91, the first spiral pipe 92 cools the air in the first cylinder 91, and the cooled air is discharged to the heat exchange fins 8, so that the temperature of the heat exchange fins 8 and the heating elements is further reduced; the cooling liquid of the third branch pipeline 23 flows through the second spiral pipe 107 of the air supply cylinder 10, the second spiral pipe 107 is located at the air inlet end of the air supply cylinder 10, the air supply cylinder 10 is matched with the air supply ring 11 to form a bladeless fan, cooling air is supplied to the heat exchange fins 8 in an energy-saving and efficient mode, air in the first cylinder 91 is guided to be discharged to the heat exchange fins 8, and air circulation inside the case 1 is promoted, so that the effects of heat dissipation of heating elements in the case 1 and overall uniform cooling are achieved.
The liquid absorbing heat in the first branch pipeline 21, the second branch pipeline 22 and the third branch pipeline 23 is discharged into the radiator 5; the air supply box 7 and the air supply grid frame 6 are matched to form a bladeless fan for grid frame air outlet, so that heat-carrying liquid in the radiator 5 is radiated, then the cooled liquid flows back to the liquid storage box 4 from the upper end of the radiator 5, and a box opening and a box cover are arranged at the upper end of the liquid storage box 4, so that water can be supplemented conveniently.
When the air supply structure works: the first motor 73 drives the first impeller 72 to rotate, the first impeller 72 rotates to suck air from the first air inlet mesh holes 74, and the air is exhausted into the air supply grid frame 6 from the air guide pipe 75, so that air pressurization is doubled, and energy conservation and high efficiency are realized to dissipate heat for the radiator 5. The second motor 105 drives the second impeller 104 to rotate, the second impeller 104 sucks cold air from the second spiral pipe 107 outside the second air inlet mesh 106, and the cold air is guided into the air supply ring 11 from the air outlet end of the second cylinder 101, so that bladeless air supply is realized, and air circulation in the case 1 is realized. The air inside and outside the case 1 is isolated, so that the dust is prevented from polluting the internal elements of the case 1.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (6)
1. The utility model provides a can dustproof radiating computer mainframe, includes inclosed quick-witted case and circulating line, its characterized in that: the circulating pipeline is connected with a power pump, a liquid storage tank and a radiator in series, and the power pump, the liquid storage tank and the radiator are all positioned on the outer side of the case; the circulating pipeline is connected in series with two ends of the first branch pipeline, the second branch pipeline and the third branch pipeline, and the first branch pipeline, the second branch pipeline and the third branch pipeline penetrate through the case;
the air supply grid frame is composed of tubular structures, the intersecting tubular structures are communicated, the sections of the tubular structures are isosceles trapezoid frames, the upper bottom edges of the isosceles trapezoid frames face the radiator, the inclined surfaces of the tubular structures are provided with first air outlet seams facing the radiator, and a plurality of first reinforcing rods are arranged in the first air outlet seams;
the air supply box comprises a first box body, a first impeller is arranged on the upper portion of the first box body, a first motor for driving the first impeller to rotate is mounted on the first box body, first air inlet meshes are arranged on the lower portion of the first box body, and an air guide pipe communicated with an air supply grid frame is connected to the upper portion of the first box body;
the heat exchange fins are arranged on one side of a heating element in the case and are in contact with the heating element; a hidden channel which is folded back and forth is arranged in the heat exchange sheet and is connected into the first branch pipeline in series;
the air guide cylinder is arranged on the outer side of the heat exchange fins and corresponds to the heat exchange fins one by one; the air guide cylinder comprises a first cylinder body, a first spiral pipe is arranged in the first cylinder body, and the first spiral pipe is connected into the second branch pipeline in series;
the air supply device comprises an air supply barrel, wherein the air supply barrel comprises a second barrel, a second box body is arranged in the second barrel, and a support is connected between the second barrel and the second box body; a second impeller is arranged at the lower part of the second box body, a second motor for driving the second impeller to rotate is mounted on the second box body, a second air inlet mesh is arranged at the upper part of the second box body, a second spiral pipe is arranged between the second cylinder body and the second box body and positioned outside the second air inlet mesh, and the second spiral pipe is connected into a third branch pipeline in series;
the upper end of the second cylinder is an air inlet end, the lower end of the second cylinder is an air outlet end, and the air outlet ends of the second cylinder are connected with air supply rings; the air supply rings correspond to the air guide cylinders one by one, are of hollow shell structures and are fixed at one end, facing the heat exchange fins, of the air guide cylinder; the inner ring side of the air supply ring is provided with an inclined plane, the inclined plane is provided with a second air outlet seam facing the heat exchange sheet, and a plurality of second reinforcing rods are arranged in the second air outlet seam.
2. The computer mainframe of claim 1 capable of preventing dust and dissipating heat, wherein: the radiator is a reciprocating and folded pipe; the liquid outlet end of the liquid storage tank is positioned at the lower end, and the liquid inlet end of the liquid storage tank is positioned at the upper end; the power pump is arranged on a circulating pipeline connected with the liquid outlet end of the liquid storage tank.
3. The computer case capable of preventing dust and dissipating heat of claim 2, wherein: two ends of the first reinforcing rod are fixedly connected with two side walls of the first air outlet seam; the second reinforcing rod is fixedly connected with two side walls of the second air outlet seam.
4. The computer case capable of preventing dust and dissipating heat of claim 3, wherein: the heat exchange sheet is an aluminum sheet; mounting plates are arranged at the four corners of each heat exchange plate, and each mounting plate is provided with a through hole; the heating element comprises a CPU, a power supply and a display card.
5. The computer case capable of preventing dust and dissipating heat of claim 4, wherein: the first spiral pipe and the second spiral pipe are both metal pipes.
6. The computer case capable of preventing dust and dissipating heat of claim 5, wherein: the air outlet end of the second cylinder is communicated with the inner part of the air supply ring, and the central line of the air supply ring and the central line of the air guide cylinder are positioned on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110317700.3A CN112987875A (en) | 2021-03-25 | 2021-03-25 | Can dustproof radiating computer mainframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110317700.3A CN112987875A (en) | 2021-03-25 | 2021-03-25 | Can dustproof radiating computer mainframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112987875A true CN112987875A (en) | 2021-06-18 |
Family
ID=76333540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110317700.3A Withdrawn CN112987875A (en) | 2021-03-25 | 2021-03-25 | Can dustproof radiating computer mainframe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112987875A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119617546A (en) * | 2025-02-11 | 2025-03-14 | 瑞冬集团股份有限公司 | Air-cooled heat pump air inlet cooling system of air conditioner |
-
2021
- 2021-03-25 CN CN202110317700.3A patent/CN112987875A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119617546A (en) * | 2025-02-11 | 2025-03-14 | 瑞冬集团股份有限公司 | Air-cooled heat pump air inlet cooling system of air conditioner |
| CN119617546B (en) * | 2025-02-11 | 2025-06-10 | 瑞冬集团股份有限公司 | Air-cooled heat pump air inlet cooling system of air conditioner |
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Application publication date: 20210618 |