CN112790665A - Vacuum source cooling system and cleaning equipment - Google Patents
Vacuum source cooling system and cleaning equipment Download PDFInfo
- Publication number
- CN112790665A CN112790665A CN202110119022.XA CN202110119022A CN112790665A CN 112790665 A CN112790665 A CN 112790665A CN 202110119022 A CN202110119022 A CN 202110119022A CN 112790665 A CN112790665 A CN 112790665A
- Authority
- CN
- China
- Prior art keywords
- air guide
- air
- guide channel
- motor
- vacuum source
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2889—Safety or protection devices or systems, e.g. for prevention of motor over-heating or for protection of the user
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a vacuum source cooling system and cleaning equipment, wherein the vacuum source cooling system comprises an air inlet hole of an air guide channel arranged on a frame, the air guide channel arranged in the frame, an air outlet hole of the air guide channel arranged on a frame cover plate, a first air guide hole arranged on the side part of an upper cover of a motor, a second air guide hole arranged in the upper cover of the motor, an air inlet channel arranged on the side wall of a motor main body, a main air inlet hole arranged at the bottom of the motor main body, and a main air first exhaust hole arranged on the side wall of the motor main body, wherein the lowest point of the air inlet hole of the air guide channel on the frame is at least flush with the lowest point of the air guide channel in the frame, and the lowest point of the air outlet hole of the air guide channel on the frame cover plate is higher than the lowest point of the air guide channel in the frame, so as to ensure the safe operation of the motor main body.
Description
Technical Field
The invention relates to the field of dust collectors, in particular to a dust collector which can continuously cool the interior of a motor host and ensure the continuous operation of the dust collector; meanwhile, the air flow can be automatically discharged out of the vacuum source after being cooled, so that the safe working of the motor main body is ensured.
Background
The dust catcher during operation, the circuit board of its motor can lead to generating heat because long-time work, consequently need cool down the motor at the dust catcher during operation, and the cooling system to the motor of current dust catcher is usually fairly simple, and liquid in the environment enters into on the circuit board of motor very easily, leads to the circuit board to intake water and damages.
Therefore, a method for continuously cooling the interior of the motor main machine and ensuring the continuous operation of the dust collector is developed; meanwhile, the air flow can be automatically discharged out of the vacuum source after being cooled, so that the safe working of the motor main body is ensured.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the vacuum cleaner which can continuously cool the interior of a motor host and ensure the continuous operation of the vacuum cleaner; meanwhile, water vapor brought in by cooling air flow can be automatically discharged out of the vacuum source after being condensed, so that the safe working of the motor main body is ensured.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a vacuum source cooling system, including the wind-guiding passageway fresh air inlet of setting in the frame that communicates in proper order, set up the wind-guiding passageway in the frame, set up the wind-guiding passageway exhaust vent on the frame apron, set up the first wind-guiding hole of motor upper cover lateral part, set up the second wind-guiding hole in the motor upper cover, set up the inlet air duct on the motor main part lateral wall, set up the main air current fresh air inlet in the motor main part bottom, set up the first exhaust port of main air current on the lateral wall of motor main part, the minimum of wind-guiding passageway fresh air inlet in its frame flushes with the minimum of the wind-guiding passageway in the frame at least, the minimum of wind-guiding passageway exhaust vent on the frame apron is higher than.
Preferably, a plurality of grooves which are obliquely arranged and are parallel to each other are vertically and uniformly distributed on the outer surface of the side wall of the rack, and the upper part of the bottom of each groove is provided with an air guide channel air inlet hole; the air inlet holes of the air guide channel are arranged in parallel with the corresponding grooves; the lower side surfaces of the grooves are respectively obliquely arranged, and the height of the outer end parts of the grooves is lower than that of the inner end parts of the grooves.
Preferably, the air guide channel is arranged along the height direction of the rack and is in an inverted L shape, the vertical section of the air guide channel is vertically arranged, the horizontal section is obliquely arranged, and the height of the air guide channel is lower when the air guide channel is closer to the vertical section, so that water can flow from the horizontal section to the vertical section conveniently.
Preferably, the height of the vertical section of the air guide channel is at least 10 CM.
Preferably, the height of the bottom surface of the vertical section of the air guide channel is flush with the height of the air inlet hole of the lowermost air guide channel, so that water accumulated in the air guide channel is completely discharged from the air inlet hole of the lowermost air guide channel.
Preferably, a convex ring is arranged at the bottom of the inner cavity of the upper surface of the upper cover of the motor, and the convex ring is positioned outside the second air guide hole and wraps the second air guide hole so as to block water in cooling airflow outside the convex ring; the bottom of the inner cavity of the upper surface of the upper cover of the motor between the second air guide hole and the first air guide hole is an inclined plane, so that the moisture blocked by the convex ring flows out of the first air guide hole along with the inclined plane.
Preferably, the air inlet channel on the side wall of the motor main body is communicated with the main air flow air inlet hole of the motor, so that the air flow is discharged out of the vacuum source along with the main air flow.
Preferably, a cleaning apparatus comprises a body; the machine body comprises a rack, a vacuum source and a collecting box, wherein the vacuum source and the collecting box are arranged on the rack; the vacuum source comprises a motor upper cover, a motor mounting seat and a motor main body, wherein the motor main body is arranged in the motor mounting seat, the motor upper cover is arranged above the motor main body, and the motor upper cover and the motor mounting seat are matched to fix the motor main body, so that the vacuum source cooling system comprises the vacuum source cooling system as claimed in any one of claims 1 to 9.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the vacuum source cooling system and the cleaning equipment, the cooling air flow enters from the air inlet hole of the air guide channel, sequentially passes through the air guide channel, the air outlet hole of the air guide channel, the first air guide hole, the second air guide hole and the cooling air inlet to reach the motor assembly, so that the components such as the circuit board are cooled continuously, the air flow after cooling the components such as the circuit board continuously passes through the air inlet channel and the air outlet of the air guide channel to be converged with the main air flow, and finally is discharged out of the machine body along with the main air flow passing through the first air outlet of the main air flow, the second air outlet of the main air flow and the third air outlet of the main air flow, so that the components such as the circuit board are cooled; meanwhile, steam brought in by cooling airflow can be condensed and then discharged out of the vacuum source along the bottom of the inner cavity of the upper surface of the upper cover of the motor, the air guide channel and the air inlet hole of the air guide channel, so that the safe operation of the motor main body is ensured.
Drawings
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
FIG. 1 is a schematic view of the vacuum source cooling system and the body of the cleaning apparatus of the present invention;
FIG. 2 is an enlarged cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a first angled view of the frame of the vacuum source cooling system and cleaning apparatus body of the present invention;
FIG. 5 is a second perspective view of the frame of the vacuum source cooling system and cleaning apparatus body of the present invention;
FIG. 6 is an enlarged view of portion B of FIG. 5;
FIG. 7 is a schematic view of the vacuum source cooling system and frame of the body of the cleaning apparatus of the present invention with the cover removed;
FIG. 8 is an enlarged view of portion C of FIG. 7;
FIG. 9 is an enlarged view of portion D of FIG. 8;
FIG. 10 is an enlarged first angled view of the motor top cover of the vacuum source cooling system and cleaning apparatus body of the present invention shown with the cover removed;
FIG. 11 is a second enlarged, schematic view of the motor top cover of the body of the vacuum source cooling system and cleaning apparatus of the present invention shown with the cover removed;
FIG. 12 is a first enlarged, angled schematic view of the motor assembly of the vacuum source cooling system and cleaning apparatus body of the present invention;
FIG. 13 is a second enlarged perspective view of the vacuum source cooling system and cleaning apparatus body of the present invention;
FIG. 14 is an enlarged cross-sectional view of the motor assembly of the vacuum source cooling system and cleaning apparatus body of the present invention;
wherein: 1. a frame; 2. a motor assembly; 3. a dust barrel; 11. a cover plate; 12. an air guide channel; 13. a groove; 14. a water discharge tank; 15. a drainage part; 21. an upper cover of the motor; 22. a motor main body; 23. a motor mounting seat; 24. an annular projection; 121. an air inlet hole of the air guide channel; 122. an air outlet of the air guide channel; 211. a first air guiding hole; 212. a second air guiding hole; 213. a convex ring; 214. a main air flow second air outlet; 215. a third air outlet of the main air flow; 216. enclosing plates; 217. a cooling gas flow region; 218. a primary airflow region; 219. a cover; 221. a cooling air inlet; 222. an air inlet channel; 223. an air outlet of the air inlet channel; 224. a main air inlet hole; 225. a main air flow first exhaust port; 226. a circuit board; 227. an air tube; 1221. and (4) a drainage groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Referring to fig. 1-14, the vacuum source cooling system of the present invention, the air guide device comprises an air guide channel air inlet hole 121 arranged on a machine frame 1, an air guide channel 12 arranged in the machine frame 1, an air guide channel air outlet hole 122 arranged on a cover plate 11 of the machine frame 1, a first air guide hole 211 arranged on the side part of a motor upper cover 21, a second air guide hole 212 arranged at the central part of the bottom of an inner cavity of the motor upper cover 21, a cooling air inlet 221 arranged at the upper end part of a motor main body 22, an air inlet channel 222 arranged on the side wall of the motor main body 22, a main air inlet hole 224 arranged at the bottom of the motor main body 22, a main air first exhaust port 225 arranged on the side wall of the motor main body 22, a main air second exhaust port 214 arranged on the side part of the bottom of the inner cavity of the motor upper cover 21 and a main air third exhaust port 215 arranged; the external cooling air flow can enter the air guide channel 12 from the air guide channel air inlet hole 121, then enter the first air guide hole 211 from the air guide channel air outlet hole 122, then enter the motor main body 22 through the second air guide hole 212 and the cooling air flow air inlet 221, and after cooling components such as a circuit board 226 arranged in the motor main body 22, enter the main air flow air inlet hole 224 through the air inlet channel 222, and then be discharged along with the main air flow.
The main air flow enters the motor main body 22 through the main air flow inlet hole 224, and is discharged through the main air flow first exhaust hole 225, and then sequentially discharged out of the vacuum source 2 through the main air flow second exhaust hole 214 and the main air flow third exhaust hole 215.
A plurality of grooves 13 which are obliquely arranged and are parallel to each other are vertically and uniformly distributed on the outer surface of the side wall of the rack 1, and the upper part of the bottom of each groove is provided with an air guide channel air inlet hole 121; the air inlet holes 121 of the air guide channel are arranged in parallel with the corresponding grooves 13; the lower side surface of each groove 13 is obliquely arranged, and the height of the outer end part of each groove is lower than that of the inner end part of each groove; when the dust collector is used in a spraying environment, most of water is blocked by the bottom of the groove 13 and flows out along the lower side surface of the groove 13, so that only a very small amount of water enters the air guide channel 12 from the air inlet holes 121 of the air guide channel; the inner surface of each air inlet hole 121 of the air guide channel is provided with a drainage groove 14; the drainage groove 14 is arranged in parallel with the groove 13; each air guide channel air inlet hole 121 is correspondingly arranged at the lower part of the bottom of the drainage groove 14; the inner surface of the air inlet hole 121 of the air guide channel is also provided with a drainage groove 1221 along the height direction of the air guide channel 12; the drainage grooves 1221 are communicated with the drainage grooves 14; and the communication parts of the drainage grooves 1221 and the drainage grooves 14 are respectively provided with a drainage part 15, so that water in the drainage grooves can enter the corresponding drainage grooves 14 along the drainage part 15 and can be discharged through the corresponding air inlet holes 121 of the air guide channel.
The air guide channel 12 is arranged along the height direction of the rack 1 and is in an inverted L shape, and the height of the vertical section of the air guide channel is at least 10CM so as to increase the height of the air guide channel 12; the horizontal section of the air guide channel 12 is obliquely arranged; and the height of the water is lower when the water is closer to the vertical section, so that the water can flow from the horizontal section to the vertical section; the moisture in the cooling air flow can be more fully condensed on the inner wall of the air guide channel 12 when climbing by increasing the length of the air guide channel 12; the height of the bottom surface of the vertical section of the air guide channel 12 is flush with the height of the air inlet hole 121 of the lowermost air guide channel, so that water accumulated in the air guide channel 12 is completely discharged from the air inlet hole 121 of the lowermost air guide channel; the flow direction of the cooling air flow in the air guide channel 12 climbs from the air guide channel air inlet hole 121 to the air guide channel air outlet hole 122, so that a part of condensed water flows back to the bottom of the air guide channel 12 along the drainage groove 1221 according to the gravity of the condensed water, and is then discharged from the air guide channel air inlet hole 121 at the lowest part, and the other part of the condensed water enters the corresponding drainage groove 14 from the drainage part 15 communicated with the drainage groove 1221, is discharged from the corresponding air guide channel air inlet hole 121, and then flows out along the corresponding groove 13.
A convex ring 213 is arranged at the bottom of the inner cavity of the upper surface of the motor upper cover 21, the convex ring 213 is positioned outside the second air guide hole 212 and wraps the second air guide hole 212 to block water in the cooling air flow outside the convex ring 213; the bottom of the inner cavity of the upper surface of the motor upper cover 21 between the second air guiding hole 212 and the first air guiding hole 211 is an inclined surface, so that the moisture blocked by the convex ring 213 flows out from the first air guiding hole 211 along with the inclined surface.
The baffle plate 216 is further arranged at the bottom of the inner cavity of the upper surface of the motor upper cover 21, and the baffle plate 216 and the cover 219 cooperate to divide the inner cavity of the motor upper cover 21 into a cooling air flow area 217 and a main air flow discharge area 218, wherein the first air guiding hole 211 and the second air guiding hole 212 are located in the cooling air flow area 217, and the main air flow second air outlet 214 and the main air flow third air outlet 215 are located in the main air flow discharge area 218, so as to prevent the cooling air flow from being mixed with the main air flow.
The inlet air outlet 223 of the inlet air duct 222 is disposed in the main air inlet hole 224, so that the cooling air flows out of the vacuum source 2 together with the main air flow.
The bottom of the motor upper cover 21 is further provided with an annular protrusion 24, the annular protrusion 24 covers the upper half of the motor main body 22, the annular protrusion 24 is located outside the main airflow first exhaust opening 225, the annular protrusion 24 is located inside the main airflow second exhaust opening 214, the lowest position of the annular protrusion 24 is lower than the highest position of the main airflow first exhaust opening 225, a flow channel is formed between the annular protrusion 24 and the motor main body 22, and the flow channel is used for providing a channel for the main airflow to enter the motor upper cover 21 from the main airflow first exhaust opening 225.
An air pipe 227 is arranged on the outer wall of the motor assembly 22, and the air inlet channel 222 is located in the air pipe 227.
The cooling airflow within the motor assembly 22 is not merged with the primary airflow.
During operation, cooling airflow enters from the air inlet hole 121 of the air guide channel, and reaches the motor assembly 22 after sequentially passing through the air guide channel 12, the air outlet hole 122 of the air guide channel, the first air guide hole 211, the second air guide hole 212 and the cooling airflow inlet 221 to continuously cool the components such as the circuit board 226, the airflow after cooling the components such as the circuit board 226 continues to flow through the air inlet channel 222 and the air outlet 223 of the air inlet channel to join with the main airflow, and finally the air flows pass through the first main airflow outlet 225, the second main airflow outlet 214 and the third main airflow outlet 215 to be discharged out of the vacuum source 2; when the dust collector is used in a spraying environment, most of water is blocked by the bottom of the groove 13 and flows out along the lower side surface of the groove 13, so that only a very small amount of water enters the air guide channel 12 from the air inlet holes 121 of the air guide channel; when the cooling air flow passes through the air guide channel 12, water condensed on the channel wall flows downwards along the drainage grooves 1221 under the action of gravity; when the flow passes through the drainage grooves 14, the flow enters the corresponding drainage grooves 14 along the drainage parts 15, is discharged through the corresponding air inlet holes 121 of the air guide channels, and then flows out along the corresponding grooves 13; the water condensed at the bottom of the inner cavity of the upper surface of the motor upper cover 21 flows out from the first air guiding hole 211 and then flows out through the air guiding channel 12 and the air guiding channel air inlet hole 121.
The cleaning device comprises a machine body; the machine body comprises a rack 1, a vacuum source 2 and a collecting box 3, wherein the vacuum source 2 and the collecting box 3 are arranged on the rack 1; the vacuum source 2 comprises a motor upper cover 21, a motor mounting seat 23 and a motor main body 22, the motor main body 22 is arranged in the motor mounting seat 23, the motor upper cover 21 is arranged above the motor main body 22, and the motor upper cover 21 and the motor mounting seat 23 are matched to completely coat the motor main body 22; the cleaning equipment provided by the invention also comprises the vacuum source cooling system.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the vacuum source cooling system and the cleaning equipment of the invention continuously cool the components such as the circuit board 226 and the like by entering the cooling air flow from the air inlet hole 121 of the air guide channel 12, sequentially passing through the air guide channel 12, the air outlet hole 122 of the air guide channel, the first air guide hole 211, the second air guide hole 212 and the cooling air inlet 221 to reach the interior of the motor component 22, continuously cool the components such as the circuit board 226 and the like, continuously flowing the air flow after cooling the components such as the circuit board 226 and the like through the air inlet channel 222 and the air outlet 223 of the air inlet channel to be merged with the main air flow, and finally discharging the air flow to the outside of the machine body along with the main air flow passing through the first main air outlet 225, the second main air outlet 214 and the third main air outlet 215 of the main air flow, thereby realizing the continuous cooling of the; meanwhile, moisture brought in by the cooling air flow can be condensed and then discharged out of the vacuum source 2 along the bottom of the inner cavity of the upper surface of the motor upper cover 21, the air guide channel 12 and the air guide channel air inlet hole 121, so that the safe operation of the motor main body 22 is ensured.
The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (8)
1. A vacuum source cooling system, characterized by: the air guide channel air inlet is arranged on the rack and sequentially communicated with the air guide channel air inlet, the air guide channel is arranged in the rack, the air guide channel air outlet is arranged on the rack cover plate, a first air guide hole is arranged on the side portion of the motor upper cover, a second air guide hole is arranged in the motor upper cover, the air inlet channel is arranged on the side wall of the motor main body, a main air inlet is arranged at the bottom of the motor main body, a main air first exhaust port is arranged on the side wall of the motor main body, the lowest point of the air guide channel air inlet in the rack is at least flush with the lowest point of the air guide channel in the rack, and the lowest point of the air guide channel air outlet on the rack cover plate is.
2. The vacuum source cooling system of claim 1, wherein: a plurality of grooves which are obliquely arranged and are parallel to each other are vertically and uniformly distributed on the outer surface of the side wall of the rack, and the upper part of the bottom of each groove is provided with an air guide channel air inlet hole; the air inlet holes of the air guide channel are arranged in parallel with the corresponding grooves; the lower side surfaces of the grooves are respectively obliquely arranged, and the height of the outer end parts of the grooves is lower than that of the inner end parts of the grooves.
3. The vacuum source cooling system of claim 1, wherein: the air guide channel is arranged along the height direction of the rack and is inverted L-shaped, the vertical section of the air guide channel is arranged vertically, the horizontal section is arranged obliquely, and the height of the air guide channel, which is closer to the vertical section, is lower, so that water can flow to the vertical section from the horizontal section.
4. The vacuum source cooling system of claim 3, wherein: the height of the vertical section of the air guide channel is at least 10 CM.
5. The vacuum source cooling system of claim 4, wherein: the height of the bottom surface of the vertical section of the air guide channel is flush with the height of the air inlet hole of the air guide channel at the lowest position, so that water accumulated in the air guide channel is completely discharged from the air inlet hole of the air guide channel at the lowest position.
6. The vacuum source cooling system of claim 1, wherein: a convex ring is arranged at the bottom of the inner cavity of the upper surface of the upper cover of the motor, is positioned outside the second air guide hole and wraps the second air guide hole so as to block water in cooling airflow outside the convex ring; the bottom of the inner cavity of the upper surface of the upper cover of the motor between the second air guide hole and the first air guide hole is an inclined plane, so that the moisture blocked by the convex ring flows out of the first air guide hole along with the inclined plane.
7. The vacuum source cooling system of claim 1, wherein: and an air inlet channel on the side wall of the motor main body is communicated with a main air inlet hole of the motor so that air flow is discharged out of the vacuum source along with the main air flow.
8. A cleaning apparatus includes a body; the machine body comprises a rack, a vacuum source and a collecting box, wherein the vacuum source and the collecting box are arranged on the rack; the vacuum source includes motor upper cover, motor mount pad and motor main part, motor main part sets up in motor mount pad, the motor upper cover sets up the top at motor main part, motor upper cover and motor mount pad cooperation are fixed motor main part its characterized in that: comprising a vacuum source cooling system according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119022.XA CN112790665A (en) | 2021-01-28 | 2021-01-28 | Vacuum source cooling system and cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119022.XA CN112790665A (en) | 2021-01-28 | 2021-01-28 | Vacuum source cooling system and cleaning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112790665A true CN112790665A (en) | 2021-05-14 |
Family
ID=75812496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110119022.XA Pending CN112790665A (en) | 2021-01-28 | 2021-01-28 | Vacuum source cooling system and cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112790665A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023051234A1 (en) * | 2021-09-28 | 2023-04-06 | 苏州简单有为科技有限公司 | Surface-cleaning apparatus |
-
2021
- 2021-01-28 CN CN202110119022.XA patent/CN112790665A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023051234A1 (en) * | 2021-09-28 | 2023-04-06 | 苏州简单有为科技有限公司 | Surface-cleaning apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112790665A (en) | Vacuum source cooling system and cleaning equipment | |
| CN114287850B (en) | Recovery box and surface cleaning equipment | |
| CN110880697B (en) | Be used for radiating block terminal of dust removal | |
| CN110243042B (en) | Upward water adding humidifier | |
| CN215016762U (en) | Vacuum source cooling system and cleaning equipment | |
| CN112827991A (en) | Fume chamber with air supply structure | |
| CN111964162A (en) | Humidification unit, air conditioner indoor unit and air conditioner | |
| CN209801844U (en) | Water chilling unit | |
| CN214719230U (en) | Fume chamber with air supply structure | |
| CN207052963U (en) | A kind of power distribution cabinet | |
| CN214437809U (en) | Gas-liquid separation device, sewage tank and surface cleaning device | |
| CN219222536U (en) | Fume exhauster | |
| CN209783052U (en) | Evaporative condenser | |
| CN217109697U (en) | Noise-reduction oil fume suction and exhaust system and integrated stove | |
| CN219580899U (en) | Plastic spraying box | |
| CN210010290U (en) | Organic waste gas absorbing and removing device for silk-screen characters | |
| CN217241193U (en) | Instrument box for construction site | |
| CN210568742U (en) | Range hood guide plate and range hood | |
| CN217390597U (en) | Dust collector floor brush and dust collector | |
| CN209802131U (en) | closed cooling tower | |
| CN220771197U (en) | Oil receiving assembly and integrated kitchen range | |
| CN113958984B (en) | Oil leakage prevention range hood | |
| CN210021499U (en) | Special oil smoke separator of food car | |
| CN216716331U (en) | Air inlet device and range hood | |
| CN219421408U (en) | Dust removal assembly and heat abstractor with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |