CN113985995A - External radiator of notebook computer - Google Patents
External radiator of notebook computer Download PDFInfo
- Publication number
- CN113985995A CN113985995A CN202111289328.6A CN202111289328A CN113985995A CN 113985995 A CN113985995 A CN 113985995A CN 202111289328 A CN202111289328 A CN 202111289328A CN 113985995 A CN113985995 A CN 113985995A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000001816 cooling Methods 0.000 claims abstract description 51
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- 238000005057 refrigeration Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
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- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
Abstract
The invention belongs to the field of computer equipment, in particular to an external radiator of a notebook computer, which comprises a case, wherein a working space with an opening at one side is arranged in the case, a heat-conducting thin net is fixedly arranged at the opening side of the working space, an air cooling mechanism for collecting air is arranged at the middle part of the working space, a water cooling mechanism for water cooling is arranged on the inner wall at one side of the working space, an air cooling conversion mechanism for air suction is arranged at the side of the working space far away from the water cooling mechanism, two vertical plates are arranged on the inner wall at the side of the working space close to the air cooling conversion mechanism, water is always positioned in the water cooling pipe in the water cooling process and does not contact with the computer, the computer can be effectively ensured to be always in a dry environment, the reciprocating motion of a piston cavity and the timely air exchange at an air cavity can enable the piston cavity to uninterruptedly absorb hot air of the computer, the temperature of the computer is reduced by matching with water cooling, and the refrigeration net is used for refrigerating, the cold air and the cold water act on the computer to reduce the temperature of the computer.
Description
Technical Field
The invention belongs to the field of computer equipment, and particularly relates to an external radiator of a notebook computer.
Background
The notebook computer as a portable computer generally connects various elements closely together, the elements can generate heat and be scalded in the use process, because the gaps between the close elements are too small, all the heat conductivity is not good, the high temperature of the computer can cause the service life of the computer to be reduced, the CPU of the computer can also be reduced in frequency, the computer can become very jammed after the frequency is reduced, or some software can not be opened, thereby affecting the normal use of the computer, the existing computer usually dissipates heat through a heat dissipation copper pipe and a heat dissipation fan, but can cause the computer to be overheated when using some software, at this time, an external radiator is usually used to dissipate heat of the computer, the existing external radiator is mostly air-cooled and also has a small part of water-cooled, but the existing water-cooled causes the computer to be wiped through water to cool, thereby causing a humid environment inside the computer, causing the components inside the computer to fail.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an external radiator for a notebook computer, which can cool the computer in a heat transfer mode through cold water.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an external radiator of notebook computer, includes quick-witted case, the quick-witted incasement is equipped with one side open-ended work space, work space's the fixed thin net of heat conduction that is equipped with in opening side, work space's middle part is equipped with the air-cooled mechanism that is used for collecting the wind, be equipped with on one side inner wall of work space and be used for water-cooled water-cooling mechanism, work space keeps away from water-cooling mechanism side is equipped with the air-cooled shifter mechanism that is used for induced drafting, work space is close to be equipped with two risers on the inner wall of air-cooled shifter mechanism side.
Preferably, the water cooling mechanism includes the fixed water tank that is equipped with on workspace's the inner wall, the water tank with workspace's junction is close to the thin net side of heat conduction is through the inlet tube intercommunication external world, the machine case is located the sealed sealing plug that is equipped with of inlet tube department, the thin net of heat conduction is close to the workspace side is fixed and is equipped with the water-cooled tube, the both ends of water-cooled tube all communicate in the water tank, the water tank internal fixation is equipped with the suction pump, the one end of water-cooled tube is connected on the suction pump.
Preferably, the air cooling mechanism includes the working space is kept away from the fixed cold wind chamber that is equipped with of department in the middle of the inner wall of the thin net of heat conduction, the cold wind intracavity is equipped with the cold wind storage tank of the thin net of opening orientation heat conduction, the fixed refrigeration net that is equipped with on the inner wall of cold wind storage tank, the refrigeration net will the cold wind storage tank divide into two spaces of scattered wind chamber and cold wind storage tank, it is close to scatter the wind chamber to compare the cold wind storage tank the thin net of heat conduction.
Preferably, the air cooling conversion mechanism comprises an air cylinder wall fixedly arranged on the inner wall of the working space far away from the water tank side, a piston cavity and a temporary air cavity are arranged in the air cylinder wall, the temporary air cavity is close to the heat-conducting thin net compared with the piston cavity, two air exchange grooves with openings facing the piston cavity are symmetrically arranged on the axial inner wall of the piston cavity relative to the piston cavity, each air exchange groove is communicated with the temporary air cavity through an air guide groove, a piston is arranged in the piston cavity in a sliding mode, a piston rod is fixedly arranged on the side, close to the cold air cavity, of the piston, and the piston rod penetrates through the inner wall of the air exchange groove close to the piston rod side.
Preferably, the air-cooling conversion mechanism further comprises a motor embedded on a vertical plate of the working space far away from the cylinder wall, a cam is fixedly arranged on a self-contained shaft of the motor, a connecting rod is hinged to the end, close to the piston rod, of the cam, and the other end of the connecting rod is hinged to the piston rod.
Preferably, the air-cooling conversion mechanism further comprises an air suction pipe fixed on the side wall of the temporary air cavity far away from the cold air cavity, the temporary air cavity is communicated with the outside through the air suction pipe, the other end of the temporary air cavity is fixedly provided with an air outlet connector, the inner wall of the piston cavity of the temporary air cavity examination level is provided with a conversion cover in a sliding manner, the conversion cover penetrates through the temporary air cavity and is close to the side wall of the cold air cavity, the penetrating position of the conversion cover and the temporary air cavity is always in a sealing state, two push block shafts are rotatably arranged on the vertical plate of the working space close to the cylinder wall, a push block is fixedly arranged on each push block shaft, each push block is rotatably hinged at the extending end of the conversion cover through a rotating column, the conversion cover is provided with an air exchange cavity with an opening facing the piston cavity at the inner extending end, and the piston rod is fixedly provided with a shifting block close to the push block end.
Preferably, the air cooling mechanism further comprises an air exhaust hole, which is formed in the cylinder wall and located between the temporary air cavity and the piston cavity, and has an opening facing the air exchange cavity, the air exhaust hole is connected to the cold air storage tank through an air exhaust pipe, and the air exchange cavity can simultaneously comprise the air exhaust hole and one of the air guide grooves.
Has the advantages that: the water is always positioned in the water cooling pipe in the water cooling process, so that the water does not contact the computer, and the computer can be effectively guaranteed to be always in a dry environment.
The reciprocating motion of the piston cavity and the timely ventilation at the air exchange cavity can ensure that the piston cavity uninterruptedly absorbs the hot air of the computer, and the temperature of the computer is brought down by matching with water cooling.
The cold air and the cold water act on the computer through refrigeration of the refrigeration net, so that the temperature of the computer is reduced.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic diagram of a structural implementation of the present invention;
FIG. 3 is a schematic view of FIG. 2 taken along line A-A;
FIG. 4 is a schematic view of the direction B-B in FIG. 2;
FIG. 5 is an enlarged view of FIG. 2 at C;
fig. 6 is a schematic view of the direction D-D in fig. 5.
In the figure, a chassis 10; a workspace 11; an air outlet connector 12; an air suction pipe 13; a water-cooled tube 14; a wind-dispersing cavity 15; a conversion cover 16; a push block 17; a connecting rod 18; a cam 19; a refrigeration network 20; a water tank 21; a sealing plug 22; a motor 23; the cylinder wall 24; a ventilation groove 25; a piston 26; a piston rod 27; a piston chamber 28; a wind guide groove 29; a temporary air chamber 30; an air exhaust hole 31; a cold air storage tank 32; a water inlet pipe 33; a pusher shaft 34; a rotating post 35; a ventilation chamber 36; a thin thermally conductive mesh 37; a cold air chamber 38; an exhaust duct 39; a water pump 40; a shifting block 41; a water cooling mechanism 90; an air-cooling conversion mechanism 91; and an air cooling mechanism 92.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
With reference to fig. 2, an external radiator for a notebook computer, including quick-witted case 10, be equipped with one side open-ended workspace 11 in the quick-witted case 10, workspace 11's the fixed thin net 37 that is equipped with heat conduction of opening side, workspace 11's middle part is equipped with the air-cooled mechanism 92 that is used for collecting the wind, be equipped with on workspace 11's one side inner wall and be used for water-cooled water-cooling mechanism 90, workspace 11 keeps away from water-cooling mechanism 90 side and is equipped with the air-cooled shifter 91 that is used for induced drafting, workspace 11 is equipped with two risers on being close to the inner wall of air-cooled shifter 91 side.
Further, with reference to fig. 2 and 4, the water cooling mechanism 90 includes a water tank 21 fixedly disposed on the inner wall of the working space 11, a connection portion between the water tank 21 and the working space 11 is close to the side of the heat-conducting thin net 37 and is communicated with the outside through a water inlet pipe 33, the case 10 is provided with a sealing plug 22 at the position of the water inlet pipe 33 in a sealing manner, the side of the heat-conducting thin net 37 close to the working space 11 is fixedly provided with a water-cooling pipe 14, two ends of the water-cooling pipe 14 are both communicated in the water tank 21, a water suction pump 40 is fixedly disposed in the water tank 21, and one end of the water-cooling pipe 14 is connected to the water suction pump 40.
Further, referring to fig. 2, the air cooling mechanism 92 includes a cold air chamber 38 fixedly disposed in the middle of the inner wall of the working space 11 away from the heat-conducting thin net 37, a cold air storage tank 32 having an opening facing the heat-conducting thin net 37 is disposed in the cold air chamber 38, a refrigeration net 20 is fixedly disposed on the inner wall of the cold air storage tank 32, the refrigeration net 20 divides the cold air storage tank 32 into two spaces, namely, an air diffusion chamber 15 and the cold air storage tank 32, and the air diffusion chamber 15 is closer to the heat-conducting thin net 37 than the cold air storage tank 32.
Further, with reference to fig. 5, the air-cooling conversion mechanism 91 includes a cylinder wall 24 fixedly disposed on the inner wall of the working space 11 far away from the water tank 21, a piston cavity 28 and a temporary air cavity 30 are disposed in the cylinder wall 24, the temporary air cavity 30 is closer to the heat-conducting thin net 37 than the piston cavity 28, two air exchanging grooves 25 with openings facing the piston cavity 28 are symmetrically disposed on the axial inner wall of the piston cavity 28 with respect to the piston cavity 28, each air exchanging groove 25 is communicated in the temporary air cavity 30 through an air guiding groove 29, a piston 26 is slidably disposed in the piston cavity 28, a piston rod 27 is fixedly disposed on the side of the piston 26 close to the cold air cavity 38, and the piston rod 27 penetrates through the inner wall of the air exchanging groove 25 close to the piston rod 27.
Further, with reference to fig. 3, the air-cooling conversion mechanism 91 further includes a motor 23 embedded in a vertical plate of the working space 11 far away from the cylinder wall 24, a cam 19 is fixed on a self-contained shaft of the motor 23, a connecting rod 18 is hinged to the end of the cam 19 close to the piston rod 27, and the other end of the connecting rod 18 is hinged to the piston rod 27.
Further, referring to fig. 5, the air-cooling switching mechanism 91 further comprises an air suction pipe 13 fixed on the side wall of the temporary air cavity 30 far away from the cold air cavity 38, the air suction pipe 13 connects the temporary air cavity 30 with the outside, an air outlet connector 12 is fixed at the other end of the temporary air cavity 30, a switching cover 16 is slidably arranged on the inner wall of the test piston cavity 28 of the temporary air cavity 30, and the conversion cover 16 penetrates through the side wall of the temporary air cavity 30 close to the cold air cavity 38, the penetrating position of the conversion cover 16 and the temporary air cavity 30 is always in a sealing state, two push block shafts 34 are rotatably arranged on a vertical plate of the working space 11 close to the cylinder wall 24, a push block 17 is fixedly arranged on each push block shaft 34, each push block 17 is rotatably hinged at an extending end of the conversion cover 16 through a rotating column 35, an air exchange cavity 36 with an opening facing the piston cavity 28 is arranged at the extending end of the conversion cover 16, and a shifting block 41 is fixedly arranged on the piston rod 27 close to the end of the push block 17.
Further, referring to fig. 5 and fig. 6, the air cooling mechanism 92 further includes an air outlet hole 31, which is formed in the cylinder wall 24 and located between the temporary air cavity 30 and the piston cavity 28, and has an opening facing the ventilation cavity 36, the air outlet hole 31 is connected to the cold air storage tank 32 through an air outlet pipe 39, and the ventilation cavity 36 may include the air outlet hole 31 and one of the air guiding grooves 29.
The working principle is as follows: the computer is placed on the heat conducting thin net 37 for use, the water suction pump 40 can be started when the computer is slightly hot, the water in the water tank 21 is discharged into the water cooling pipe 14 through the water suction pump 40, the water flows back into the water tank 21 through the zigzag water cooling pipe 14, the water in the water cooling pipe 14 cools the computer, the temperature of the water in the water cooling pipe 14 is lower than that of the computer at the moment, the good heat conductivity of the heat conducting thin net 37 can transfer the temperature of the computer into the water, the computer is cooled, the water is always located in the water cooling pipe 14 in the water cooling process, the computer cannot be contacted, and the computer can be effectively guaranteed to be in a dry environment all the time.
When the temperature of the computer can not be reduced through water cooling, the air outlet connector 12 is inserted at the air outlet of the computer while the computer is cooled, the motor 23 is started again, the motor 23 drives the cam 19 to rotate, the cam 19 drives the connecting rod 18 to rotate, the connecting rod 18 drives the piston 26 to reciprocate in the piston cavity 28 by pulling the piston rod 27, negative pressure is generated in the air exchange groove 25 far away from the cold air cavity 38, the cold air storage tank 32 fluctuates the push block 17 to rotate while the piston rod 27 slides, the air guide groove 29 far away from the cold air cavity 38 is conducted, hot air exhausted by an exhaust fan in the computer is sucked into the temporary air cavity 30 through the air outlet connector 12 and the air suction pipe 13 and is sucked into the corresponding air exchange groove 25 through the air guide groove 29, meanwhile, the piston cavity 28 pours the air close to the cold air cavity 38 into the air exchange cavity 36 through the air guide groove 29 near the cold air cavity 38, and finally the air in the air exchange cavity 36 is guided into the cold air storage tank 32 through the air exhaust hole 31, finally, air in the cold air storage tank 32 is blown to a computer through the heat conducting thin net 37 by the pressure of the piston cavity 28, the piston rod 27 is driven to reciprocate and move far, the two air guide grooves 29 alternately apply air sucked by the air suction pipe 13 to the computer through the cold air storage tank 32 to cool and absorb heat of the computer, the piston cavity 28 can continuously absorb hot air of the computer by reciprocating motion and timely air exchange at the air exchange cavity 36, and the temperature of the computer is reported by matching with water cooling.
If the temperature of the computer cannot be reduced by water cooling and air cooling, the refrigeration net 20 is started again, air pressed out of the cold air storage tank 32 passes through the refrigeration net 20 and then becomes cold air, the cold air acts on the water-cooled tube 14, water in the water-cooled tube 14 becomes ice water, the refrigeration is carried out through the refrigeration net 20, the cold air and the cold water act on the computer, and the temperature of the computer is reduced.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides an external radiator of notebook computer, includes quick-witted case (10), its characterized in that: be equipped with one side open-ended workspace (11) in quick-witted case (10), the fixed thin net of heat conduction (37) that is equipped with in opening side of workspace (11), the middle part of workspace (11) is equipped with air-cooled mechanism (92) that are used for collecting the wind, be equipped with on one side inner wall of workspace (11) and be used for water-cooled water-cooling mechanism (90), workspace (11) are kept away from water-cooling mechanism (90) side is equipped with and is used for air-cooled converting mechanism (91), workspace (11) are close to be equipped with two risers on the inner wall of air-cooled converting mechanism (91) side.
2. The external radiator of the notebook computer according to claim 1, wherein: water-cooling mechanism (90) include fixed water tank (21) that are equipped with on the inner wall of workspace (11), water tank (21) with the junction of workspace (11) is close to the thin net of heat conduction (37) side is through inlet tube (33) intercommunication external, machine case (10) are located inlet tube (33) are located the sealed sealing plug (22) that is equipped with, the thin net of heat conduction (37) are close to workspace (11) side is fixed and is equipped with water-cooled tube (14), the both ends of water-cooled tube (14) all communicate in water tank (21), water tank (21) internal fixation is equipped with suction pump (40), the one end of water-cooled tube (14) is connected on suction pump (40).
3. The external radiator of the notebook computer according to claim 2, wherein: air-cooled mechanism (92) include workspace (11) is kept away from fixed cold wind chamber (38) that are equipped with of department in the middle of the inner wall of thin net of heat conduction (37), be equipped with cold wind storage tank (32) of opening orientation thin net of heat conduction (37) in cold wind chamber (38), fixed refrigeration net (20) that are equipped with on the inner wall of cold wind storage tank (32), refrigeration net (20) will cold wind storage tank (32) divide into two spaces of scattered wind chamber (15) and cold wind storage tank (32), scattered wind chamber (15) are close to than cold wind storage tank (32) thin net of heat conduction (37).
4. The external radiator of the notebook computer according to claim 3, wherein: the air cooling conversion mechanism (91) comprises a cylinder wall (24) fixedly arranged on the inner wall of the working space (11) far away from the water tank (21), a piston cavity (28) and a temporary air cavity (30) are arranged in the cylinder wall (24), the temporary air cavity (30) is close to the heat-conducting thin net (37) compared with the piston cavity (28), two air exchange grooves (25) with openings facing the piston cavity (28) are symmetrically arranged on the axial inner wall of the piston cavity (28) relative to the piston cavity (28), each air exchange groove (25) is communicated in the temporary air cavity (30) through an air guide groove (29), a piston (26) is arranged in the piston cavity (28) in a sliding mode, a piston rod (27) is fixedly arranged on the side, close to the cold air cavity (38), of the piston rod (27) penetrates through the inner wall of the air exchange groove (25) close to the piston rod (27), the method is as follows.
5. The external radiator of the notebook computer according to claim 4, wherein: the air cooling conversion mechanism (91) further comprises a motor (23) which is embedded on a vertical plate of the working space (11) far away from the cylinder wall (24), a cam (19) is fixedly arranged on a self-carrying shaft of the motor (23), a connecting rod (18) is hinged to the end, close to the piston rod (27), of the cam (19), and the other end of the connecting rod (18) is hinged to the piston rod (27).
6. The external radiator of the notebook computer according to claim 5, wherein: forced air cooling switching mechanism (91) still includes interim wind chamber (30) is kept away from fixed aspiration channel (13) on cold wind chamber (38) lateral wall, aspiration channel (13) will interim wind chamber (30) and external intercommunication, the other end of interim wind chamber (30) is fixed and is equipped with air exit connector (12), interim wind chamber (30) is examined the level slide on the inner wall of piston chamber (28) and is equipped with conversion cover (16), just conversion cover (16) run through interim wind chamber (30) are close to the lateral wall of cold wind chamber (38), just conversion cover (16) with the department of running through of interim wind chamber (30) is in encapsulated situation all the time, working space (11) are close to rotate on the riser of cylinder wall (24) and are equipped with two ejector pad axles (34), every all fixed ejector pad (17) that are equipped with on ejector pad axle (34), every ejector pad (17) all articulate through rotating post (35) rotatable the outer of conversion cover (16) is managed The air exchanging device comprises an extension end, an air exchanging cavity (36) with an opening facing a piston cavity (28) is formed in the extension end of the conversion cover (16), and a shifting block (41) is fixedly arranged on the piston rod (27) close to the push block (17).
7. The external radiator of the notebook computer according to claim 6, wherein: the air cooling mechanism (92) further comprises an exhaust hole (31) which is formed in the cylinder wall (24) and located between the temporary air cavity (30) and the piston cavity (28) and is opened towards the air exchange cavity (36), the exhaust hole (31) is connected into the cold air storage tank (32) through an exhaust pipe (39), and the air exchange cavity (36) can simultaneously comprise the exhaust hole (31) and one of the air guide grooves (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111289328.6A CN113985995B (en) | 2021-11-02 | 2021-11-02 | External radiator of notebook computer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111289328.6A CN113985995B (en) | 2021-11-02 | 2021-11-02 | External radiator of notebook computer |
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| CN113985995A true CN113985995A (en) | 2022-01-28 |
| CN113985995B CN113985995B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111289328.6A Active CN113985995B (en) | 2021-11-02 | 2021-11-02 | External radiator of notebook computer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117739616A (en) * | 2024-01-31 | 2024-03-22 | 广州特域机电有限公司 | High-efficiency energy-saving type cold and hot integrated industrial water chiller |
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| CN113985995B (en) | 2024-05-17 |
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