CN219346763U - Heat radiator of variable refrigerant flow multi-connected indoor unit central air-conditioning system - Google Patents
Heat radiator of variable refrigerant flow multi-connected indoor unit central air-conditioning system Download PDFInfo
- Publication number
- CN219346763U CN219346763U CN202223560788.0U CN202223560788U CN219346763U CN 219346763 U CN219346763 U CN 219346763U CN 202223560788 U CN202223560788 U CN 202223560788U CN 219346763 U CN219346763 U CN 219346763U
- Authority
- CN
- China
- Prior art keywords
- conditioning system
- central air
- air conditioning
- heat
- heat dissipating
- 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.)
- Active
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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model discloses a heat dissipating device of a variable refrigerant flow multi-connected indoor unit central air conditioning system, which relates to the field of air conditioning heat dissipation, and comprises a central air conditioning system heat dissipation part, wherein a heat dissipating assembly is arranged at the bottom end of the central air conditioning system, so that a water pump indirectly introduces water into a cooling box to enable the water in the cooling box to exchange heat with the central air conditioning system, and the temperature of the water is kept at normal temperature all the time through a heat exchanging box, so that the heat dissipating effect is improved, the damage of the heat dissipating device of the central air conditioning system caused by the overhigh temperature of the heat dissipating device is avoided, and the working efficiency of the heat dissipating device of the central air conditioning system is improved; through having set up the protection subassembly in the radiator unit bottom, make the motor drive the protection casing through the slide tube indirectly and slide downwards, make the protection casing cover central air conditioning system, avoid the rainwater to splash on central air conditioning system's heat abstractor and lead to the inside electronic components of central air conditioning system's heat abstractor to damage to central air conditioning system's heat abstractor's life has been improved.
Description
Technical Field
The utility model relates to the field of air conditioner heat dissipation, in particular to a heat dissipation device of a variable refrigerant flow multi-connected indoor unit central air conditioning system.
Background
The central air conditioning system consists of one or more cold and heat source systems and a plurality of air conditioning systems, and the system is different from the traditional refrigerant type air conditioner (such as a single machine and VRV) for intensively processing air to meet comfort requirements, and adopts the principle of liquid gasification refrigeration to provide required cold energy for the air conditioning systems so as to offset the heat load of indoor environment; the heating system provides the air conditioning system with the required heat to counteract the indoor environmental cooling and heating load.
For example, chinese patent publication No. CN209819854U discloses an air conditioner heat dissipating device, which comprises a chassis, a rain shield is arranged at the top of the chassis, a mounting cavity is arranged in the chassis, heat dissipating devices are arranged at two sides of the chassis, each heat dissipating device comprises a fixed shaft sleeve and a heat dissipating fan, the fixed shaft sleeve penetrates through a through slot formed in the chassis to extend into the mounting cavity, the heat dissipating fan is respectively arranged in the mounting cavity inside the fixed shaft sleeve, the inner extending ends of the fixed shaft sleeves are respectively penetrated with a through slot from top to bottom, a supporting plate is respectively penetrated with the through slots of the two fixed shaft sleeves, and the top of the supporting plate penetrates through the through slots to extend out of the top of the fixed shaft sleeve.
In the above patent, referring to fig. 1 and 2, the conventional heat dissipating device of the central air conditioning system is mostly used for dissipating heat by a fan, so that the heat dissipating effect is poor, and when the temperature of the heat dissipating device of the central air conditioning system is too high, the heat dissipating device of the central air conditioning system is damaged, thereby reducing the working efficiency of the heat dissipating device of the central air conditioning system; and in rainy days, rainwater is easy to splash on the heat radiator of the central air conditioning system, so that electronic components in the heat radiator of the central air conditioning system are damaged, and the service life of the heat radiator of the central air conditioning system is shortened.
Disclosure of Invention
Therefore, in order to solve the above-mentioned shortcomings, the present utility model provides a heat dissipating device of a variable refrigerant flow multiple indoor unit central air conditioning system.
The utility model is realized in such a way that a heat dissipating device of a variable refrigerant flow multi-connected indoor unit central air conditioning system is constructed, and the device comprises the central air conditioning system;
characterized by further comprising:
the heat dissipation assembly is arranged at the bottom end of the central air conditioning system; the heat dissipation assembly can be used for dissipating heat of the central air conditioning system during operation; the protection component is welded and fixed at the bottom end of the heat dissipation component; the protection component can protect the central air conditioning system in rainy days;
the heat dissipation assembly includes:
the cooling box is arranged at the bottom end of the central air conditioning system; the placing groove is arranged in the middle of the top end of the cooling box; the front end of the supporting plate is welded and fixed with the bottom of the rear end of the cooling box; the water storage tank is arranged in the middle of the top end of the supporting plate; the left end of the water pump is connected with the middle pipeline of the right end of the water storage tank; the left end of the guide pipe is connected with the right end pipeline of the water pump; the front end of the return pipe is connected with a left pipeline at the rear end of the cooling box; the middle part of the left end of the heat exchange box is embedded with a return pipe; wherein, the heat exchange box is internally provided with inert gas.
Preferably, the protection assembly includes:
the top end of the installation bottom plate is welded and fixed at the bottom end of the heat radiation component; the thread barrels are respectively welded and fixed at the middle parts of the left end and the right end of the mounting bottom plate; the limiting rods are respectively welded and fixed at the front part and the rear part of the left end and the right end of the mounting bottom plate; wherein the limit rods are arranged in pairs.
Preferably, the protection assembly further comprises:
the inner side of the bottom end of the sliding cylinder is connected with a limiting rod in a sliding manner; the front end and the rear end of the connecting rod are welded and fixed with the sliding cylinder; wherein, the slide cylinder is arranged in pairs.
Preferably, the protection assembly further comprises:
the bottom end of the mounting plate is welded and fixed with the middle part of the top end of the connecting rod; the motor is fixed in the middle of the top end of the mounting plate through a motor bolt; wherein the mounting plate is a square plate.
Preferably, the protection assembly further comprises:
the top end of the threaded rod coaxially rotates with the motor output shaft; the inner top end of the protective cover is welded and fixed with the top end of the sliding cylinder; wherein, the protection casing material is ya keli.
Preferably, the heat exchange box is made of aluminum alloy, and a sealing layer is arranged at the joint of the heat exchange box and the return pipe.
Preferably, the limiting rods consist of rod bodies and limiting plates, and connecting rods are arranged between each pair of limiting rods.
Preferably, the transmission distance of the threaded rod is the same as the length of a sliding groove in the sliding cylinder, and the ratio of the length of the sliding cylinder to the length of the limiting rod is 2:3.
The utility model has the following advantages: the utility model provides a heat dissipating device of a variable refrigerant flow multi-connected indoor unit central air conditioning system through improvement, which has the following improvement compared with the same type of equipment:
according to the heat dissipating device of the variable refrigerant flow multi-connected indoor unit central air conditioning system, the heat dissipating assembly is arranged at the bottom end of the central air conditioning system, so that the water pump indirectly guides water into the cooling box, the water in the cooling box exchanges heat with the central air conditioning system, and the temperature of the water is kept at the normal temperature all the time through the heat exchanging box, so that the heat dissipating effect is improved, the damage to the heat dissipating device of the central air conditioning system caused by overhigh temperature accumulation of the heat dissipating device is avoided, and the working efficiency of the heat dissipating device of the central air conditioning system is improved.
According to the heat dissipating device of the variable refrigerant flow multi-connected indoor unit central air conditioning system, the protection component is arranged at the bottom end of the heat dissipating component, so that the motor indirectly drives the protection cover to slide downwards through the sliding cylinder, the protection cover covers the central air conditioning system, and the damage of electronic components in the heat dissipating device of the central air conditioning system caused by the fact that rainwater is splashed onto the heat dissipating device of the central air conditioning system is avoided, so that the service life of the heat dissipating device of the central air conditioning system is prolonged.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic diagram of the internal structure of the prior art;
FIG. 3 is a schematic diagram of the structure of the present utility model;
FIG. 4 is a schematic perspective view of a heat dissipating assembly according to the present utility model;
FIG. 5 is an enlarged view of the utility model at A in FIG. 4;
FIG. 6 is a schematic perspective view of a protective assembly according to the present utility model;
fig. 7 is a perspective exploded view of the protective assembly of the present utility model.
Wherein: the central air conditioning system-1, the heat radiation component-2, the protection component-3, the cooling box-21, the placing groove-22, the supporting plate-23, the water storage tank-24, the water pump-25, the flow guide pipe-26, the return pipe-27, the heat exchange box-28, the mounting bottom plate-31, the threaded cylinder-32, the limit rod-33, the sliding cylinder-34, the connecting rod-35, the mounting plate-36, the motor-37, the threaded rod-38 and the protection cover-39.
Detailed Description
The principles and features of the present utility model are described below with reference to fig. 3-7, which are examples for illustration only and are not intended to limit the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Embodiment one:
referring to fig. 3, the heat dissipating device of the variable refrigerant flow multi-connected indoor unit central air conditioning system of the present utility model includes a central air conditioning system 1.
Referring to fig. 4 and 5, the heat dissipating device of the variable refrigerant flow multi-connected indoor unit central air conditioning system of the present utility model further includes: the heat dissipation assembly 2 is arranged at the bottom end of the central air conditioning system 1, the heat dissipation assembly 2 can perform heat dissipation on the central air conditioning system 1 when running, the protection assembly 3 is welded and fixed at the bottom end of the heat dissipation assembly 2, and the protection assembly 3 can protect the central air conditioning system 1 in rainy days;
the heat dissipation assembly 2 includes: the cooling box 21 is arranged at the bottom end of the central air conditioning system 1, the placing groove 22 is arranged in the middle of the top end of the cooling box 21, the front end of the supporting plate 23 is welded and fixed with the bottom of the rear end of the cooling box 21, and the water storage tank 24 is arranged in the middle of the top end of the supporting plate 23;
the left end of the water pump 25 is connected with the middle pipeline of the right end of the water storage tank 24, the left end of the guide pipe 26 is connected with the pipeline of the right end of the water pump 25, the front end of the return pipe 27 is connected with the left pipeline of the rear end of the cooling tank 21, the middle of the left end of the heat exchange tank 28 is embedded with the return pipe 27, inert gas is arranged in the heat exchange tank 28, the water pump 25 is started, water in the water storage tank 24 flows into the cooling tank 21 through the guide pipe 26, and the cooling tank 21 dissipates heat of the central air conditioning system 1.
Referring to fig. 6 and 7, the heat dissipating device of the variable refrigerant flow multiple indoor unit central air conditioning system of the present utility model, the protection component 3 includes: the mounting baseplate 31, the top end of the mounting baseplate 31 is welded and fixed at the bottom end of the heat radiation component 2, the threaded cylinders 32 are respectively welded and fixed at the middle parts of the left end and the right end of the mounting baseplate 31, and the limit rods 33 are respectively welded and fixed at the front part and the rear part of the left end and the right end of the mounting baseplate 31;
the limiting rods 33 are arranged in pairs, the limiting rods 33 are connected to the inner side of the bottom end of the sliding barrel 34 in a sliding manner, the front end and the rear end of the connecting rod 35 are welded and fixed with the sliding barrel 34, the sliding barrel 34 is arranged in pairs, and the bottom end of the mounting plate 36 is welded and fixed with the middle part of the top end of the connecting rod 35;
the motor 37 is fixed in the middle of the top end of the mounting plate 36 by bolts, the mounting plate 36 is a square plate, the top end of the threaded rod 38 and the output shaft of the motor 37 rotate coaxially, the top end in the protective cover 39 and the top end of the sliding cylinder 34 are welded and fixed, the protective cover 39 is made of acrylic, and the motor 37 is started, so that the threaded rod 38 drives the sliding cylinder 34 to slide up and down along the limiting rod 33.
Referring to fig. 5, in the heat dissipating device of the variable refrigerant flow multi-connected indoor unit central air conditioning system of the present utility model, the heat exchanging box 28 is made of aluminum alloy, and a sealing layer is disposed at the connection between the heat exchanging box 28 and the return pipe 27, so that the heat exchanging box 28 can exchange heat with water in the return pipe 27 better.
Referring to fig. 7, in the heat dissipating device of the variable refrigerant flow multi-connected indoor unit central air conditioning system of the present utility model, the limiting rods 33 are composed of a rod body and limiting plates, and connecting rods are disposed between each pair of limiting rods 33, so that the limiting rods 33 can have a better limiting effect.
Referring to fig. 7, in the heat dissipating device of the variable refrigerant flow multi-connected indoor unit central air conditioning system of the present utility model, the transmission distance of the threaded rod 38 is the same as the length of the sliding groove inside the sliding cylinder 34, and the ratio of the length of the sliding cylinder 34 to the length of the limiting rod 33 is 2:3, so that the limiting rod 33 provides a limiting sliding area for the sliding cylinder 34.
Embodiment two:
according to the heat dissipating device of the variable refrigerant flow multi-connected indoor unit central air conditioning system, the front end of the flow guide pipe 26 is connected with the right pipeline at the rear end of the cooling box 21, so that the cooling box 21 provides an installation area for the flow guide pipe 26, the outer side surface of the threaded rod 38 is in threaded connection with the inner side of the threaded cylinder 32, and the threaded cylinder 32 provides a limit rotation area for the threaded rod 38.
The utility model provides a heat dissipating double-fuselage of the variable refrigerant flow multiple indoor set central air-conditioning system through improving, its working principle is as follows;
firstly, when the equipment is used, the equipment is firstly placed in a working area, and then the device is connected with an external power supply, so that the power supply required by the work of the equipment can be provided;
secondly, firstly, the water pump 25 is started, the water pump 25 leads the water in the water storage tank 24 into the cooling tank 21 through the flow guide pipe 26, the water in the cooling tank 21 exchanges heat with the central air conditioning system 1, the return pipe 27 leads the water after the heat exchange in the cooling tank 21 out, and the inert gas in the heat exchange tank 28 exchanges heat with the water in the return pipe 27, so that the return pipe 27 leads the water at normal temperature back to the water storage tank 24, the temperature of the water entering the cooling tank 21 is always kept at normal temperature, the heat dissipation effect is improved, the heat dissipation device of the central air conditioning system 1 is prevented from being damaged when the temperature of the heat dissipation device is excessively high, and the working efficiency of the heat dissipation device of the central air conditioning system 1 is improved;
thirdly, in rainy days, the motor 37 is started to drive the threaded rod 38 to rotate, so that the threaded rod 38 rotates in the threaded cylinder 32, the threaded rod 38 drives the sliding cylinder 34 to slide downwards along the connecting rod 35, the sliding cylinder 34 drives the protective cover 39 to slide downwards, the protective cover 39 covers the central air conditioning system 1, and damage to electronic components in the heat radiator of the central air conditioning system 1 caused by rainwater splashing on the heat radiator of the central air conditioning system 1 is avoided, so that the service life of the heat radiator of the central air conditioning system 1 is prolonged.
According to the heat dissipation device of the variable refrigerant flow multi-connected indoor unit central air conditioning system, the heat dissipation assembly 2 is arranged at the bottom end of the central air conditioning system 1, so that the water pump 25 can indirectly guide water into the cooling box 21, the water in the cooling box 21 and the central air conditioning system 1 can exchange heat, and the temperature of the water can be kept at normal temperature all the time through the heat exchange box 28, so that the heat dissipation effect is improved, the damage to the heat dissipation device of the central air conditioning system 1 caused by overhigh temperature accumulation of the heat dissipation device is avoided, and the working efficiency of the heat dissipation device of the central air conditioning system 1 is improved; through having set up protective component 3 in radiating component 2 bottom, make motor 37 indirectly drive protection casing 39 downwardly sliding through slide 34 to make protection casing 39 cover central air conditioning system 1, avoid the rainwater to splash on central air conditioning system 1's the heat abstractor and lead to the inside electronic components of heat abstractor of central air conditioning system 1 to damage, thereby improved central air conditioning system 1's heat abstractor's life.
The basic principle and main characteristics of the utility model and the advantages of the utility model are shown and described above, standard parts used by the utility model can be purchased from market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolt rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the description is omitted.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The heat dissipating double-fuselage of the indoor set central air-conditioning system of multiple-unit of the flowrate of varying refrigerant, including the central air-conditioning system (1);
characterized by further comprising:
the heat dissipation assembly (2) is arranged at the bottom end of the central air conditioning system (1);
the heat dissipation assembly (2) can be used for dissipating heat of the central air conditioning system (1) during operation;
the protection component (3) is welded and fixed at the bottom end of the heat dissipation component (2);
the protection component (3) can protect the central air conditioning system (1) in rainy days;
the heat dissipation assembly (2) includes:
the cooling box (21), the said cooling box (21) locates the bottom of the central air conditioning system (1);
the placing groove (22) is formed in the middle of the top end of the cooling box (21);
the front end of the supporting plate (23) is welded and fixed with the bottom of the rear end of the cooling box (21);
the water storage tank (24) is arranged in the middle of the top end of the supporting plate (23);
the left end of the water pump (25) is connected with the middle part of the right end of the water storage tank (24) through a pipeline;
the left end of the guide pipe (26) is connected with the right end of the water pump (25) through a pipeline;
the front end of the return pipe (27) is connected with a left pipeline at the rear end of the cooling box (21);
the middle part of the left end of the heat exchange box (28) is embedded with a return pipe (27);
wherein inert gas is arranged in the heat exchange box (28).
2. The heat dissipating device of a variable refrigerant flow multiple indoor unit central air conditioning system according to claim 1, wherein: the protective assembly (3) comprises:
the mounting bottom plate (31), the top end of the mounting bottom plate (31) is welded and fixed at the bottom end of the heat dissipation assembly (2);
the thread barrels (32), the thread barrels (32) are respectively welded and fixed in the middle of the left end and the right end of the mounting bottom plate (31);
the limiting rods (33) are respectively welded and fixed at the front part and the rear part of the left end and the right end of the mounting bottom plate (31);
wherein the limit rods (33) are arranged in pairs.
3. The heat dissipating device of the variable refrigerant flow multiple indoor unit central air conditioning system according to claim 2, wherein: the protective assembly (3) further comprises:
the inner side of the bottom end of the sliding cylinder (34) is connected with a limiting rod (33) in a sliding manner;
the front end and the rear end of the connecting rod (35) are welded and fixed with the sliding cylinder (34);
wherein the slide drums (34) are arranged in pairs.
4. The heat dissipating double-fuselage of the multi-connected indoor unit central air-conditioning system of the coolant flow of claim 3, wherein: the protective assembly (3) further comprises:
the mounting plate (36) is welded and fixed at the bottom end of the mounting plate (36) and the middle part of the top end of the connecting rod (35);
the motor (37) is fixed in the middle of the top end of the mounting plate (36) through bolts;
wherein the mounting plate (36) is a square plate.
5. The heat dissipating double-fuselage of the multi-connected indoor unit central air-conditioning system of the coolant flow of claim 4, wherein: the protective assembly (3) further comprises:
the top end of the threaded rod (38) rotates coaxially with the output shaft of the motor (37);
the inner top end of the protective cover (39) is welded and fixed with the top end of the sliding cylinder (34);
wherein the material of the protective cover (39) is acrylic.
6. The heat dissipating device of a variable refrigerant flow multiple indoor unit central air conditioning system according to claim 1, wherein: the heat exchange box (28) is made of aluminum alloy, and a sealing layer is arranged at the joint of the heat exchange box (28) and the return pipe (27).
7. The heat dissipating device of the variable refrigerant flow multiple indoor unit central air conditioning system according to claim 2, wherein: the limiting rods (33) are composed of rod bodies and limiting plates, and connecting rods are arranged between each pair of limiting rods (33).
8. The heat dissipating double-fuselage of the multi-connected indoor unit central air-conditioning system of coolant flow of claim 5, wherein: the transmission distance of the threaded rod (38) is the same as the length of a sliding groove in the sliding cylinder (34), and the ratio of the length of the sliding cylinder (34) to the length of the limiting rod (33) is 2:3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223560788.0U CN219346763U (en) | 2022-12-31 | 2022-12-31 | Heat radiator of variable refrigerant flow multi-connected indoor unit central air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223560788.0U CN219346763U (en) | 2022-12-31 | 2022-12-31 | Heat radiator of variable refrigerant flow multi-connected indoor unit central air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219346763U true CN219346763U (en) | 2023-07-14 |
Family
ID=87100473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223560788.0U Active CN219346763U (en) | 2022-12-31 | 2022-12-31 | Heat radiator of variable refrigerant flow multi-connected indoor unit central air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219346763U (en) |
-
2022
- 2022-12-31 CN CN202223560788.0U patent/CN219346763U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206536501U (en) | A kind of joint heat abstractor for six-joint robot | |
| CN219346763U (en) | Heat radiator of variable refrigerant flow multi-connected indoor unit central air-conditioning system | |
| CN208175231U (en) | A kind of water-cooling structure of electric machine controller | |
| CN207305242U (en) | A kind of charging pile radiator | |
| CN212519807U (en) | Good heat dissipation's machine controller | |
| CN209994241U (en) | Automatic heat dissipation device of generator | |
| CN112825613A (en) | Heat dissipation cooling device for air conditioner power supply in market | |
| CN219087455U (en) | Heat dissipation device for LED display screen | |
| CN2158804Y (en) | Engine efficient cooling water-tank capable of inclining to horizontal position | |
| CN220858777U (en) | Heat radiation structure of frequency converter | |
| CN215474324U (en) | Automobile air conditioner evaporation fan | |
| CN218509581U (en) | Multi-medium cooling composite heat exchanger | |
| CN211606104U (en) | Low-voltage intelligent harmonic suppression capacitor | |
| CN220791650U (en) | Hydraulic power station | |
| CN210781925U (en) | Heat dissipation cooling device for air conditioner power supply in market | |
| CN216684072U (en) | Radiator fan convenient to installation | |
| CN220278082U (en) | Galvanized air pipe seaming machine | |
| CN215528780U (en) | Small generator easy to repair and maintain | |
| CN219164051U (en) | Power distribution cabinet | |
| CN210985383U (en) | Cooling system of on-vehicle silence power station | |
| CN216600180U (en) | Install accurate high heat dissipation environment-friendly HDI circuit board | |
| CN220862943U (en) | Heat dissipation mechanism of hot air gun | |
| CN210951673U (en) | Noise reduction type quadruple air conditioner heat supply pump set | |
| CN220163689U (en) | High efficiency liquid cooling fills electric pile | |
| CN213365443U (en) | Three-dimensional runner cooling machine case |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |