CN115434896A - High-efficient heat abstractor based on central air conditioning compressor - Google Patents
High-efficient heat abstractor based on central air conditioning compressor Download PDFInfo
- Publication number
- CN115434896A CN115434896A CN202110608044.2A CN202110608044A CN115434896A CN 115434896 A CN115434896 A CN 115434896A CN 202110608044 A CN202110608044 A CN 202110608044A CN 115434896 A CN115434896 A CN 115434896A
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- compressor
- dustproof
- central air
- louver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
- F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/006—Cooling of compressor or motor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a high-efficiency heat dissipation device based on a central air-conditioning compressor, and particularly relates to the field of air-conditioning compressors. Among the above-mentioned scheme, the coolant liquid case, a water pump, the drain pipe, cooling coil, back flow and heat dissipation fan have reached the effect that improves the compressor radiating effect, through opening the water pump, the casing carries the coolant liquid in the coolant liquid case during cooling coil, reach the effect of cooling compressor, open the operation of motor drive heat dissipation fan simultaneously, realize multiple radiating mode through forced air cooling and water-cooling, make the compressor can rapid cooling, and the coolant liquid of coolant liquid incasement can also recycle, resources are saved, the radiating efficiency is high.
Description
Technical Field
The invention relates to the technical field of air-conditioning compressors, in particular to a high-efficiency heat dissipation device based on a central air-conditioning compressor.
Background
The application of a central air conditioner to a large building is along with the high-speed development of economy, but the energy consumption of the air conditioner is also the main reason causing the seasonal performance source shortage of national resources, in the main component of an air conditioning system, a compressor is used as a core component and has a decisive influence on the performance and the energy consumption of an air conditioner, the compressor is a driven fluid machine for improving low-pressure gas into high-pressure gas, when the compressor works for a long time, the temperature of the compressor can be raised, the damage is caused to the compressor, the service life of the compressor is shortened, and a heat dissipation device is generally added on the compressor to dissipate heat for the compressor.
However, the heat dissipation form of the existing heat dissipation device for the compressor is single, the heat dissipation of the compressor is slow, the heat dissipation effect is not ideal enough, the vent of the compressor only adopts a dust screen to prevent dust, the dust prevention effect is not good, once the dust is accumulated too much, the abrasion of a host and a bearing is accelerated, the lubrication degree is damaged, the normal use of the compressor is influenced, and the practicability is poor.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide an efficient heat dissipation apparatus based on a central air conditioning compressor, so as to solve the problems of poor heat dissipation effect and unsatisfactory dust prevention effect of the central air conditioning compressor in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high-efficient heat abstractor based on central air conditioning compressor, includes the casing, the inside fixed mounting of casing has the buffering sleeve, the top of buffering sleeve is provided with the stand, the inside of buffering sleeve is provided with buffer spring and fixed slide, the top fixed mounting of stand has the backup pad, the top of backup pad is provided with the compressor body, the top fixed mounting of casing has coolant liquid case and water pump, be linked together through the connecting pipe between coolant liquid case and the water pump, one side fixedly connected with drain pipe of water pump, the other end fixedly connected with cooling coil of drain pipe, cooling coil's other end fixedly connected with back flow, the other end and the coolant liquid case of back flow are linked together, the outside of compressor body is provided with radiating fin, the inboard fixed mounting of casing has the support frame, one side fixed mounting of support frame has the motor, the output fixedly connected with heat dissipation fan of motor, the vent has been seted up to one side of casing, the outside of vent is provided with the shutter frame, the inner chamber of shutter frame is provided with dustproof shutter plate, one side of dustproof shutter plate is provided with the axostylus axostyle.
The buffer spring is sleeved on the outer surface of the stand column, the top end of the buffer spring is fixedly connected with the inner wall of the buffer sleeve, and the bottom end of the buffer spring is fixedly connected with the fixed sliding seat.
The cooling coil is sleeved on the outer surface of the compressor body, the number of the radiating fins is a plurality, and the radiating fins are uniformly distributed on the outer surface of the compressor body.
The dustproof louver blades are bent along the length direction of the middle portion to form an internal portion and an external portion which are parallel to each other, two adjacent groups of dustproof louver blades are attached to each other in the non-working state, and the width value of the internal portion is half of that of the external portion.
The quantity of dustproof louver blades is a plurality of groups, a plurality of groups the dustproof louver blades are all arranged in the inner cavity of the louver frame and are made by bending aluminum sheets, and the thickness value of each aluminum sheet is three to five millimeters.
The dustproof net is arranged between the louver frame and the side wall of the casing, and the dustproof net and the louver frame are detachably connected with the casing through fixing bolts.
The invention has the technical effects and advantages that:
in the scheme, the cooling liquid tank, the water pump, the liquid outlet pipe, the cooling coil pipe, the backflow pipe and the heat dissipation fan achieve the effect of improving the heat dissipation effect of the compressor, the shell conveys the cooling liquid in the cooling liquid tank to the cooling coil pipe by opening the water pump to achieve the effect of cooling the compressor, and the motor is started to drive the heat dissipation fan to run at the same time, so that the compressor can be rapidly cooled by realizing multiple heat dissipation modes through air cooling and water cooling, the cooling liquid in the cooling liquid tank can be recycled, a large amount of resources are saved, the structure is simple, the manufacturing cost is low, and the heat dissipation efficiency is high; the utility model discloses a compressor, including shutter frame, dustproof shutter plate and pivot pole, the shutter frame is connected with the pivot pole, the shutter plate is connected with the pivot pole, the shutter frame is connected with the pivot pole, dustproof shutter plate and pivot pole reach the effect that improves the dustproof effect of compressor, start the heat dissipation fan through the motor, when the fan work that looses produces the air current, dustproof shutter plate atress revolutes the pivot pole rotation, form airflow channel between the dustproof shutter plate of a plurality of, realize the excessive heat dissipation of air current, when the heat dissipation fan shuts down, the excessive air current disappears, dustproof shutter plate is because the dead weight is flagging naturally, upper and lower adjacent dustproof shutter plate passes through the mutual coincide of built-in part and external part in order to eliminate the ventilation gap, thereby play dustproof effect, fundamentally removes dust, the dust removal effect is stronger.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a buffer sleeve according to the present invention;
FIG. 3 is a schematic view of a heat sink fin structure according to the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 1 of the present invention;
FIG. 5 is a schematic view of the structure of the dustproof louver blade of the present invention.
The reference signs are:
1. a housing; 2. a sound insulating layer; 3. a speaker; 4. a buffer sleeve; 5. a column; 6. a buffer spring; 7. fixing the sliding seat; 8. a support plate; 9. a compressor body; 10. a coolant tank; 11. a water pump; 12. a liquid outlet pipe; 13. a cooling coil; 14. a return pipe; 15. a heat dissipating fin; 16. a support frame; 17. a motor; 18. a heat dissipation fan; 19. a vent; 20. a louver frame; 21. a dustproof louver blade; 211. a built-in portion; 212. an external portion; 22. a spindle rod; 23. a dust screen; 24. and (5) fixing the bolt.
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.
The embodiment of the invention provides a high-efficiency heat dissipation device based on a central air-conditioning compressor as shown in fig. 1 to 5, which comprises a casing 1, wherein a buffer sleeve 4 is fixedly installed inside the casing 1, an upright post 5 is arranged at the top of the buffer sleeve 4, a buffer spring 6 and a fixed sliding seat 7 are arranged inside the buffer sleeve 4, a support plate 8 is fixedly installed at the top end of the upright post 5, a compressor body 9 is arranged at the top of the support plate 8, a cooling liquid tank 10 and a water pump 11 are fixedly installed at the top of the casing 1, the cooling liquid tank 10 is communicated with the water pump 11 through a connecting pipe, a liquid outlet pipe 12 is fixedly connected to one side of the water pump 11, a cooling coil 13 is fixedly connected to the other end of the liquid outlet pipe 12, a return pipe 14 is fixedly connected to the other end of the cooling coil 13, the other end of the return pipe 14 is communicated with the cooling liquid tank 10, a heat dissipation fin 15 is arranged outside the compressor body 9, a support frame 16 is fixedly installed inside the casing 1, a motor 17 is fixedly installed at one side of the support frame 16, a heat dissipation fan 18 is fixedly connected to the output end of the motor 17, a ventilation opening 19 is formed at one side of the ventilation opening 19, a louver frame 20 is arranged in the inner cavity of the louver frame 20, and a rotation shaft lever 22 is arranged at one side of the louver 21;
wherein, the inboard of casing 1 is provided with puigging 2, and the inside packing of puigging 2 has the sponge, and the both sides of casing 1 inner wall evenly are provided with a plurality of speaker 3, and the model of speaker 3 is ESE8.
As shown in fig. 2, the buffer spring 6 is sleeved on the outer surface of the upright post 5, the top end of the buffer spring 6 is fixedly connected with the inner wall of the buffer sleeve 4, and the bottom end of the buffer spring 6 is fixedly connected with the fixed sliding seat 7.
Specifically, the inside of casing 1 is provided with two sets of buffering sleeves 4, when using, with the top of 9 installation casing 1 inner support plates 8 of compressor body, when the device takes place vibrations for stand 5 reciprocates, can drive buffer spring 6 buffering shock attenuation when stand 5 removes, thereby can cushion the absorbing effect to the compressor.
As shown in fig. 3, the cooling coil 13 is sleeved on the outer surface of the compressor body 9, the number of the heat dissipation fins 15 is several, and the several heat dissipation fins 15 are uniformly distributed on the outer surface of the compressor body 9.
Specifically, water pump 11 starts the operation, and water pump 11 will be with the coolant liquid in coolant liquid case 10 through drain pipe 12 discharge into cooling coil 13, later get back to coolant liquid case 10 again through back flow 14 in, at the circulating in-process of coolant liquid, can take away the heat that produces on the compressor body 9 to reach the effect of cooling.
As shown in fig. 4 and 5, the dustproof louver blades 21 are bent along the length direction of the middle portion to form an internal portion 211 and an external portion 212 which are parallel to each other, two adjacent groups of dustproof louver blades 21 are attached to each other in a non-working state, the width of the internal portion 211 is half of the width of the external portion 212, the number of the dustproof louver blades 21 is a plurality of groups, the dustproof louver blades 21 of the plurality of groups are arranged in the inner cavity of the louver frame 20, the dustproof louver blades 21 are made by bending aluminum sheets, the thickness of the aluminum sheets is three to five millimeters, a dustproof net 23 is arranged between the louver frame 20 and the side wall of the machine shell 1, and the dustproof net 23 and the louver frame 20 are detachably connected with the machine shell 1 through fixing bolts 24.
Specifically, the motor 17 opens the drive, the motor 17 drives the heat dissipation fan 18 and moves, when the heat dissipation fan 18 works and generates air current, the dustproof louver 21 is stressed to rotate around the rotating shaft rod 22, an air flow channel is formed between the dustproof louver 21, the air current overflow heat dissipation is realized, when the heat dissipation fan 18 stops, the overflow air current disappears, the dustproof louver 21 naturally sags due to dead weight, the upper and lower adjacent dustproof louver 21 is mutually overlapped through the built-in part 211 and the external part 212 to eliminate ventilation gaps, the dustproof effect is achieved, the dustproof net 23 is arranged at the ventilation opening 19, and the dustproof effect of the compressor is improved.
The working process of the invention is as follows:
in the above scheme, the cooling liquid tank 10, the water pump 11, the liquid outlet pipe 12, the cooling coil 13, the backflow pipe 14 and the heat dissipation fan 18 achieve the effect of improving the heat dissipation effect of the compressor, the louver frame 20, the dustproof louver blade 21 and the rotating shaft rod 22 achieve the effect of improving the dustproof effect of the compressor, when the device is used, the compressor body 9 is installed at the top of the supporting plate 8 in the casing 1, when the device vibrates, the upright post 5 moves up and down, the upright post 5 moves while driving the buffer spring 6 to buffer and absorb shock, so that the compressor can be buffered and absorbed, the water pump 11 is started to operate, the water pump 11 can discharge the cooling liquid in the cooling liquid tank 10 into the cooling coil 13 through the liquid outlet pipe 12 and then returns to the cooling liquid tank 10 through the backflow pipe 14 again, in-process at coolant liquid circulation, can take away the heat that produces on the compressor body 9, thereby reach the effect of cooling, the drive is opened to motor 17, motor 17 drives heat dissipation fan 18 operation, when heat dissipation fan 18 work produced the air current, dustproof shutter plate 21 atress revolutes the axostylus axostyle 22 rotation, form airflow channel between the dustproof shutter plate 21 of a plurality of, realize the excessive heat dissipation of air current, when heat dissipation fan 18 shuts down, the excessive air current disappears, dustproof shutter plate 21 is because the dead weight is flagging naturally, upper and lower adjacent dustproof shutter plate 21 passes through built-in part 211 and the mutual coincide of external part 212 in order to eliminate the ventilation gap, reach dirt-proof effect, and be provided with dust screen 23 in vent 19 departments, improve the dustproof effect of compressor.
In the above scheme, the casing 1 is matched with the fixing bolt 24 structure, so that the problems of poor heat dissipation effect and poor dustproof effect of the central air-conditioning compressor in the prior art are solved.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiment of the invention, only the structures related to the disclosed embodiment are related, other structures can refer to common design, and the same embodiment and different embodiments of the invention can be combined mutually under the condition of no conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The utility model provides a high-efficient heat abstractor based on central air conditioning compressor, includes casing (1), its characterized in that, the inside fixed mounting of casing (1) has cushion sleeve (4), the top of cushion sleeve (4) is provided with stand (5), the inside of cushion sleeve (4) is provided with buffer spring (6) and fixed slide (7), the top fixed mounting of stand (5) has backup pad (8), the top of backup pad (8) is provided with compressor body (9), the top fixed mounting of casing (1) has coolant liquid case (10) and water pump (11), be linked together through the connecting pipe between coolant liquid case (10) and water pump (11), one side fixedly connected with drain pipe (12) of water pump (11), the other end fixedly connected with cooling coil (13) of drain pipe (12), the other end fixedly connected with back flow (14) of cooling coil (13), the other end and the coolant liquid case (10) of back flow (14) are linked together, the outside of compressor body (9) is provided with radiating fin (15), the inboard fixed mounting of casing (1) has support frame (16), one side fixedly connected with the motor (17) of support frame (17), the fan output, the dustproof louver blade is characterized in that a vent (19) is formed in one side of the machine shell (1), a louver frame (20) is arranged on the outer side of the vent (19), a dustproof louver blade (21) is arranged in an inner cavity of the louver frame (20), and a rotating shaft rod (22) is arranged on one side of the dustproof louver blade (21).
2. The efficient heat dissipation device based on the central air-conditioning compressor is characterized in that a sound insulation layer (2) is arranged on the inner side of the casing (1), sponge is filled in the sound insulation layer (2), and a plurality of loudspeakers (3) are uniformly arranged on two sides of the inner wall of the casing (1).
3. The efficient heat dissipation device based on the central air-conditioning compressor is characterized in that the buffer spring (6) is sleeved on the outer surface of the upright post (5), the top end of the buffer spring (6) is fixedly connected with the inner wall of the buffer sleeve (4), and the bottom end of the buffer spring (6) is fixedly connected with the fixed sliding seat (7).
4. The efficient heat dissipation device based on the central air-conditioning compressor is characterized in that the cooling coil (13) is sleeved on the outer surface of the compressor body (9), the number of the heat dissipation fins (15) is several, and the several heat dissipation fins (15) are uniformly distributed on the outer surface of the compressor body (9).
5. The efficient heat dissipation device based on the central air-conditioning compressor is characterized in that the dustproof louver blades (21) are bent along the length direction of the middle part to form an inner part (211) and an outer part (212) which are parallel to each other, two adjacent groups of dustproof louver blades (21) are attached to each other in the non-working state, and the width of the inner part (211) is half of that of the outer part (212).
6. The efficient heat dissipation device based on the central air-conditioning compressor is characterized in that the number of the dustproof louver blades (21) is a plurality of groups, the plurality of groups of the dustproof louver blades (21) are arranged in the inner cavity of the louver frame (20), the dustproof louver blades (21) are made by bending and molding an aluminum sheet, and the thickness value of the aluminum sheet is three to five millimeters.
7. The efficient heat dissipation device based on the central air-conditioning compressor is characterized in that a dust screen (23) is arranged between the louver frame (20) and the side wall of the machine shell (1), and the dust screen (23) and the louver frame (20) are detachably connected with the machine shell (1) through fixing bolts (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110608044.2A CN115434896A (en) | 2021-06-01 | 2021-06-01 | High-efficient heat abstractor based on central air conditioning compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110608044.2A CN115434896A (en) | 2021-06-01 | 2021-06-01 | High-efficient heat abstractor based on central air conditioning compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115434896A true CN115434896A (en) | 2022-12-06 |
Family
ID=84240541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110608044.2A Pending CN115434896A (en) | 2021-06-01 | 2021-06-01 | High-efficient heat abstractor based on central air conditioning compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115434896A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117175369A (en) * | 2023-09-13 | 2023-12-05 | 浙江衢能电气有限公司 | Waterproof high-low voltage switchgear device of intelligence heat dissipation |
-
2021
- 2021-06-01 CN CN202110608044.2A patent/CN115434896A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117175369A (en) * | 2023-09-13 | 2023-12-05 | 浙江衢能电气有限公司 | Waterproof high-low voltage switchgear device of intelligence heat dissipation |
| CN117175369B (en) * | 2023-09-13 | 2024-03-19 | 浙江衢能电气有限公司 | Waterproof high-low voltage switchgear device of intelligence heat dissipation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115434896A (en) | High-efficient heat abstractor based on central air conditioning compressor | |
| CN214543944U (en) | Electromechanical antidetonation heat abstractor that uses | |
| CN212149030U (en) | Hood component of rice transplanter for transplanting rice seedlings | |
| CN112825613A (en) | Heat dissipation cooling device for air conditioner power supply in market | |
| CN219697309U (en) | Protective device for static var generator | |
| CN210781925U (en) | Heat dissipation cooling device for air conditioner power supply in market | |
| CN219415290U (en) | Variable-frequency triple household type ground source heat pump | |
| CN212936463U (en) | Electromechanical device heat abstractor | |
| CN219160668U (en) | Heat exchanger of air-cooled heat pump unit | |
| CN218644430U (en) | Air compressor machine with heat dissipation function | |
| CN215672433U (en) | Heat dissipation mechanism for automobile engine | |
| CN215121742U (en) | Hydroelectric power plant overhauls uses electromechanical device heat dissipation protection device | |
| CN219875333U (en) | Shell stable in operation | |
| CN220750267U (en) | Heat abstractor based on outer machine of air conditioner is used | |
| CN210714994U (en) | Heat dissipation device of compressor | |
| CN218548182U (en) | Low-noise dry-type transformer | |
| CN219611502U (en) | High-speed motor with cooling mechanism | |
| CN220210833U (en) | Wind-water double-circulation base station radiator | |
| CN219841596U (en) | Industrial air conditioner heat exchanger installation device | |
| CN213519249U (en) | Self-circulation heat dissipation type hard disk drawing box | |
| CN220646135U (en) | High heat dissipation efficiency air compressor | |
| CN217176935U (en) | High-efficient silence micromotor axial fan | |
| CN211606104U (en) | Low-voltage intelligent harmonic suppression capacitor | |
| CN220036782U (en) | Chassis of diesel generating set | |
| CN220081698U (en) | Heat dissipation formula centrifugal fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |