CN213176211U - Air blower - Google Patents
Air blower Download PDFInfo
- Publication number
- CN213176211U CN213176211U CN202021961251.3U CN202021961251U CN213176211U CN 213176211 U CN213176211 U CN 213176211U CN 202021961251 U CN202021961251 U CN 202021961251U CN 213176211 U CN213176211 U CN 213176211U
- Authority
- CN
- China
- Prior art keywords
- filter
- filter surface
- air inlet
- filtering
- shaped structure
- 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
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to the technical field of fresh air ventilation equipment, in particular to a blower, which comprises a shell and a filtering device; an air inlet is formed in one side wall of the shell, and the filtering device is arranged in the shell and is opposite to the air inlet; the filter device comprises a filter surface which is arranged opposite to the side wall where the air inlet is arranged, the filter surface comprises a first filter surface, a second filter surface, a third filter surface and a fourth filter surface which are sequentially connected, the first filter surface and the fourth filter surface are respectively vertically arranged, the second filter surface and the third filter surface jointly form a V-shaped structure which is horizontally arranged, and the sharp part of the V-shaped structure is close to the side wall where the air inlet is arranged and corresponds to the air inlet. The V-shaped structure can guide the inlet air of the air inlet to the first filtering surface and the fourth filtering surface, so that the first filtering surface and the fourth filtering surface which are positioned at the two ends of the filtering surface can be filtered by sufficient inlet air volume, and the utilization rate of the filtering surface is integrally improved.
Description
Technical Field
The utility model relates to a new trend air regenerating device's technical field especially relates to a forced draught blower.
Background
The fresh air system is an independent air processing system consisting of an air supply system and an air exhaust system, fresh air is supplied to the interior of the room by the air supply equipment on one side of the closed room, and is exhausted to the exterior of the room by the air exhaust equipment on the other side of the closed room, so that a fresh air flowing field can be formed indoors, the requirement of indoor fresh air ventilation is met, and the fresh air system is suitable for being used in scenes such as small-sized base stations, iron towers and the like. In practical application, air supply equipment can filter and purify the dust in the air before sending into the room with the outside air, but current air supply equipment's filtration system's filter core low-usage, especially when outdoor air pollution is more serious or when new trend system uses for a long time, need frequently change the filter core, lead to the cost to improve.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a blower capable of improving the utilization rate of the filtering surface of a filtering device is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: a blower is provided, which comprises a shell and a filter device;
an air inlet is formed in one side wall of the shell, and the filtering device is arranged in the shell and is opposite to the air inlet;
the filter device comprises a filter surface which is arranged opposite to the side wall where the air inlet is arranged, the filter surface comprises a first filter surface, a second filter surface, a third filter surface and a fourth filter surface which are sequentially connected, the first filter surface and the fourth filter surface are respectively vertically arranged, the second filter surface and the third filter surface jointly form a V-shaped structure which is horizontally arranged, and the sharp part of the V-shaped structure is close to the side wall where the air inlet is arranged and corresponds to the air inlet.
Furthermore, the projection plane of the V-shaped structure in one direction and the projection plane of the air inlet in one direction have an overlapping area, and the projection plane of the tip of the V-shaped structure is located at the midpoint of the projection plane of the air inlet.
Further, the tip of the V-shaped structure is at an angle ranging from 30 degrees to 60 degrees.
Further, the tip of the V-shaped structure is at an angle of 60 degrees.
Furthermore, the filter device also comprises a cover plate, one end of the cover plate is connected with the upper end surface of the first filter surface in an abutting mode, and the other end of the cover plate is connected with the inner surface of one side wall of the shell where the air inlet is located; the fourth filtering surface is connected with the bottom of the shell.
Furthermore, the filter surface comprises a filter cloth and a transmission shaft capable of rotating relative to the shell, the filter cloth further comprises a cleaning section and a blocking section, the cleaning section is wound on one of the transmission shafts and connected with the first filter surface, the blocking section is wound on the other transmission shaft and connected with the fourth filter surface, and the other transmission shaft is in driving connection with a motor arranged in the shell to drive the filter cloth to move along the direction of the blocking section from the cleaning section.
Furthermore, the filtering device also comprises a tension shaft, and more than two tension shafts are respectively arranged between two adjacent filtering surfaces.
Furthermore, a differential pressure sensor is arranged at a position close to a tension shaft between the second filtering surface and the third filtering surface, and two signal ports of the differential pressure sensor are respectively arranged on two side surfaces close to the filtering surfaces.
Furthermore, a Hall sensor is arranged on a tension shaft between the second filtering surface and the third filtering surface.
Furthermore, pressing strips are arranged on two side faces of the first filtering surface, the second filtering surface, the third filtering surface and the fourth filtering surface.
The beneficial effects of the utility model reside in that:
1. the filter equipment filter surface is strained by first filter surface, second and is strained face, third and fourth filter surface and link to each other in proper order and constitute and the second strains face and the third and strain the V type structure that face and third formed a level setting jointly, the point portion of V type structure is close to air intake place lateral wall and with the air intake corresponds the setting, and the V type structure that second filter surface and third filter surface formed jointly can lead first filter surface and the fourth filter surface of the air intake with the air inlet of air intake for first filter surface and the fourth filter surface that lie in filter surface both ends can obtain abundant intake and filter, promote the utilization ratio of filter surface on the whole.
2. The V-shaped structure that the level set up can guarantee to have enough big filter area under the condition of reduction filter equipment's height, and the saving equipment space reduces the fuselage height, helps the forced draught blower miniaturization.
Drawings
Fig. 1 is a perspective view of a blower according to the present invention;
fig. 2 is a front view of a blower according to the present invention;
fig. 3 is a schematic view of an external structure of a blower according to the present invention;
description of reference numerals:
1. a housing; 11. an air inlet; 12. an air supply outlet;
2. a filtration device; 21. filtering surface; 22. a cover plate; 23. a baffle plate; 211. a first filtering surface; 212. a second filtering surface; 213. a third filtering surface; 214. a fourth filtering surface; 215. a drive shaft; 216. a cleaning section; 217. a plugging section; 218. a tension shaft;
3. a motor;
4. a control device;
5. a differential pressure sensor;
6. a Hall sensor;
7. layering;
8. a fan.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, the blower of the present invention includes a casing and a filtering device;
an air inlet is formed in one side wall of the shell, and the filtering device is arranged in the shell and is opposite to the air inlet;
the filter device comprises a filter surface which is arranged opposite to the side wall where the air inlet is arranged, the filter surface comprises a first filter surface, a second filter surface, a third filter surface and a fourth filter surface which are sequentially connected, the first filter surface and the fourth filter surface are respectively vertically arranged, the second filter surface and the third filter surface jointly form a V-shaped structure which is horizontally arranged, and the sharp part of the V-shaped structure is close to the side wall where the air inlet is arranged and corresponds to the air inlet.
From the above description, the beneficial effects of the present invention are: the filter equipment filter surface is strained by first filter surface, second and is strained face, third and fourth filter surface and link to each other in proper order and constitute and the second strains face and the third and strain the V type structure that face and third formed a level setting jointly, the point portion of V type structure is close to air intake place lateral wall and with the air intake corresponds the setting, and the V type structure that second filter surface and third filter surface formed jointly can lead first filter surface and the fourth filter surface of the air intake with the air inlet of air intake for first filter surface and the fourth filter surface that lie in filter surface both ends can obtain abundant intake and filter, promote the utilization ratio of filter surface on the whole. Simultaneously, the V-shaped structure that the level set up can guarantee to have sufficient filter area under the condition of reduction filter equipment's height to can practice thrift equipment area, help the forced draught blower miniaturization.
Furthermore, the projection plane of the V-shaped structure in one direction and the projection plane of the air inlet in one direction have an overlapping area, and the projection plane of the tip of the V-shaped structure is located at the midpoint of the projection plane of the air inlet.
From the above description, it can be known that the projection plane of the V-shaped structure in one direction and the projection plane of the air inlet in one direction have an overlapping area, and the projection plane of the tip of the V-shaped structure is located at the midpoint position of the projection plane of the air inlet, because the tip of the V-shaped structure is also located at the midpoint position of the V-shaped structure, when the projection plane of the V-shaped structure and the projection plane of the air inlet have an overlapping area, it is ensured that the inlet air of the air inlet can cover the V-shaped structure, so that the second filter surface and the third filter surface on the V-shaped structure can be sufficiently contacted with the inlet air, and simultaneously, enough inlet air volume is provided to guide the inlet air to the adjacent first filter surface and the fourth filter surface.
Further, the tip of the V-shaped structure is at an angle ranging from 30 degrees to 60 degrees.
From the above description, when the angle range of the tip of the V-shaped structure is 30 ° to 60 °, the overall height of the filter device can be effectively reduced, and the filter device has good guiding performance, and can effectively guide the intake air of the air inlet to the third filter surface and the fourth filter surface adjacent to the V-shaped structure.
Further, the tip of the V-shaped structure is at an angle of 60 degrees.
From the above description, the tip of the V-shaped structure has an angle of 60 ° and has good guiding performance, so that the inlet air of the air inlet can be sufficiently guided to the third filtering surface and the fourth filtering surface adjacent to the V-shaped structure.
Furthermore, the filter device also comprises a cover plate, one end of the cover plate is connected with the upper end surface of the first filter surface in an abutting mode, and the other end of the cover plate is connected with the inner surface of one side wall of the shell where the air inlet is located; the fourth filtering surface is connected with the bottom of the shell.
From the above description, the one end of apron with the up end of first filter surface leans on to be connected, the other end of apron and the internal surface connection of the lateral wall of air intake place casing, can seal filter mechanism's up end through the apron, and the lower extreme of fourth filter surface is provided with the separation blade, and through the separation blade with thereby the bottom of casing is connected and is sealed filter mechanism's lower terminal surface, consequently, filter mechanism's up end and lower terminal surface and filter surface can form one with the lateral wall at air intake place and other isolated spaces in the casing, thereby guarantee that the air inlet of air intake must enter into other spaces in the casing after filter mechanism's purification when getting into the casing.
Furthermore, the filter surface comprises a filter cloth and a transmission shaft capable of rotating relative to the shell, the filter cloth further comprises a cleaning section and a blocking section, the cleaning section is wound on one of the transmission shafts and connected with the first filter surface, the blocking section is wound on the other transmission shaft and connected with the fourth filter surface, and the other transmission shaft is in driving connection with a motor arranged in the shell to drive the filter cloth to move along the direction of the blocking section from the cleaning section.
According to the above description, the filter cloth is provided with the cleaning section and the blocking section, the cleaning section and the blocking section are respectively connected with the transmission shaft and driven to rotate through the motor, automatic replacement of the filter cloth can be achieved, when the filtering surface reaches the blocking degree, the driving motor can drive the filter cloth to move along the direction of the blocking section from the cleaning section, the filter cloth is replaced, and the step of replacing the filter cloth by the disassembling and assembling machine body is reduced.
Furthermore, the filtering device also comprises a tension shaft, and more than two tension shafts are respectively arranged between two adjacent filtering surfaces.
As can be known from the above description, the tension shaft can rotate relative to the housing, and when the motor is driven, the tension shaft can assist the filter cloth to rotate in the process that the filter cloth moves along the direction of the blocking section from the cleaning section, and particularly, the interference caused by the included angle at the joint of two adjacent filter surfaces can be reduced through the transmission of the tension shaft between the two adjacent filter surfaces.
Furthermore, a differential pressure sensor is arranged at a position close to a tension shaft between the second filtering surface and the third filtering surface, and two signal ports of the differential pressure sensor are respectively arranged on two side surfaces close to the filtering surfaces.
As can be seen from the above description, the differential pressure sensor is arranged close to the tension axis between the second filter surface and the third filter surface, and the differential pressure sensor is also in signal connection with the control device. Two signal ports of the pressure difference sensor are respectively arranged on two side faces close to the filter surface, the air inlet amount of the two side faces of the filter surface is respectively detected, the blocking degree of the filter cloth is judged by calculating the air inlet pressure difference of the two side faces of the filter surface, when the air inlet pressure difference of the two side faces of the filter surface reaches a preset value, the control device receives the signal of the pressure difference sensor and further drives the motor, and the motor can drive the filter cloth to move from the cleaning section along the direction of the blocking section to update the filter cloth after being driven.
Furthermore, a Hall sensor is arranged on a tension shaft between the second filtering surface and the third filtering surface.
As can be seen from the above description, the hall sensor is disposed on the tension shaft between the second filter surface and the third filter surface and is simultaneously in signal connection with the control device for detecting the number of rotations of the tension shaft.
Furthermore, pressing strips are arranged on two side faces of the first filtering surface, the second filtering surface, the third filtering surface and the fourth filtering surface.
From the above description, the two side surfaces of the first filtering surface, the second filtering surface, the third filtering surface and the fourth filtering surface are respectively provided with the transverse distribution pressing strips and the longitudinal distribution pressing strips for pressing the filter cloth on the first filtering surface, the second filtering surface, the third filtering surface and the fourth filtering surface.
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: the utility model provides a blower for a fresh air ventilation system, which comprises a shell 1 and a filter device 2;
the shell is used as a body of the air feeder, a hollow cavity is arranged in the shell and used for mounting various components, the outer part of the shell is of a rectangular structure, an air inlet 11 is formed in the position, close to the lower end of the middle part, of one side wall of the shell, and an air supply outlet 12 is formed in the upper end of the side wall opposite to the air inlet; the air inlet is used for providing outdoor air inlet air, and the supply-air outlet is used for conveying outdoor inlet air to the indoor.
The filter device is arranged in the shell and is oppositely arranged with the air inlet, the filter device 2 comprises a filter surface 21 which is oppositely arranged on the side wall where the air inlet is positioned and can filter the air inlet of the air inlet, the filter surface comprises a first filter surface 211, a second filter surface 212, a third filter surface 213 and a fourth filter surface 214 which are sequentially connected, the first filter surface, the second filter surface, the third filter surface and the fourth filter surface are rectangular planes formed by filter cloth, and the air inlet is filtered through filter cloth. The first filtering surface and the fourth filtering surface are respectively vertically arranged, the second filtering surface and the third filtering surface jointly form a V-shaped structure which is horizontally arranged, and the tip of the V-shaped structure is close to the side wall of the air inlet. The projection surface of the V-shaped structure in one direction and the projection surface of the air inlet in one direction are provided with an overlapping area, and the projection surface of the tip of the V-shaped structure is positioned at the midpoint of the projection surface of the air inlet; specifically, the projection in the one direction is a projection in which the projection direction is perpendicular to a side wall where the air inlet is located. Therefore, the air inlet is opposite to the V-shaped structure, when air enters the air inlet, the air volume is concentrated in a V-shaped structure area formed by the second filtering surface and the third filtering surface together, and at the moment, because the second filtering surface and the third filtering surface are inclined planes arranged in the relative horizontal direction, when part of the air enters the air inlet along the horizontal direction, the air is blocked and guided to the first filtering surface and the fourth filtering surface along with the inclined planes formed by the second filtering surface and the third filtering surface, so that the air can be diffused towards the upper end and the lower end of the air inlet. Simultaneously, with the first filter surface of air inlet direction and the fourth filter surface can compensate the condition that first filter surface and fourth filter surface intake are few for first filter surface and fourth filter surface can be by abundant utilization, just so can guarantee that filter equipment possess enough big filter area the time, filter equipment's filter surface can also by make full use of, improves the rate of utilization of filter surface, thereby can reduce the frequency of changing the filter cloth.
In this embodiment, the angle of the tip of the V-shaped structure formed by the second filtering surface and the third filtering surface ranges from 30 degrees to 60 degrees, and the angle of the tip of the V-shaped structure is preferably 60 degrees. The second filtering surface and the third filtering surface are arranged to be V-shaped structures, so that the height of the filtering surface can be reduced, and the caliber of the air inlet is reduced. Most importantly, the V-shaped structure has good guiding performance, the air inlet of the air inlet can be guided to the third filtering surface and the fourth filtering surface which are adjacent to the V-shaped structure, and particularly, the effect is best when the angle of the tip part of the V-shaped structure is 60 degrees.
In this embodiment, the filter device further includes a cover plate 22, the cover plate is of an L-shaped structure, the cover plate abuts against the upper end face of the first filter surface, the short edge of the cover plate of the L-shaped structure is overlapped against the first filter surface, and the long edge of the cover plate of the L-shaped structure is connected with the inner surface of one side wall of the housing where the air inlet is located, so that the upper end face of the filter device is closed. The lower end of the fourth filtering surface is provided with a baffle 23, and the baffle is connected with the bottom of the shell so as to seal the lower end surface of the filtering mechanism. Therefore, the upper end face and the lower end face of the filtering mechanism and the filtering surface can form a filtering space isolated from other spaces in the shell with the side wall where the air inlet is located, so that the air inlet of the air inlet can enter other spaces in the shell after being purified by the filtering mechanism when entering the shell.
In this embodiment, the filter surface is composed of a filter cloth and a transmission shaft 215 capable of rotating relative to the housing, and specifically, the filter cloth is made of G4 filter cotton, which has a good air filtering effect. The filter cloth further comprises a cleaning section 216 and a blocking section 217, the cleaning section is wound on one of the transmission shafts and connected with the first filtering surface, and the blocking section is wound on the other transmission shaft and connected with the fourth filtering surface. The other transmission shaft is also in driving connection with a motor 3 arranged in the shell, and the motor can drive the rotating shaft to rotate in a single direction and drive the filter cloth to move from the cleaning section along the direction of the blocking section.
In this embodiment, filter equipment still includes the tension shaft, and is concrete, and total 5 tension shafts 218 set up respectively between two adjacent filter surfaces, clean section with the junction of first filter surface and jam section with the junction of fourth filter surface, the tension shaft can rotate relative to the casing, and when the motor was driven, the filter cloth followed from clean section the in-process of blockking up section direction motion, the tension shaft can carry out the transmission, and supplementary filter cloth rotates, especially between two adjacent filter surfaces, can reduce the interference that two adjacent filter surface junction contained angles brought through the transmission of tension shaft.
In this embodiment, a control device 4 is further disposed on a side wall of the housing, which is opposite to the air inlet, the control device includes a controller therein, and the motor is electrically connected to the controller. And a differential pressure sensor 5 is also arranged at a position close to a tension shaft between the second filtering surface and the third filtering surface, two signal ports of the differential pressure sensor are respectively arranged on two side surfaces close to the filtering surfaces, and the differential pressure sensor is also in electrical signal connection with the controller. And a Hall sensor 6 is arranged on a tension shaft between the second filtering surface and the third filtering surface and is also in electric signal connection with the controller. In this embodiment, two signal ports of the differential pressure sensor may respectively detect air intake amounts of two side surfaces of the filter surface, the blocking degree of the filter cloth is determined by calculating an air intake pressure difference of the two side surfaces of the filter surface, when the air intake pressure difference of the two side surfaces of the filter surface reaches a preset value, the controller receives a signal from the differential pressure sensor and then controls the motor to start, and the filter cloth moves from the cleaning section along the direction of the blocking section after the motor is driven, so as to update the filter cloth on the filter surface. The Hall sensor can detect the rotating times of the tension shaft, when the rotating times of the tension shaft reaches the preset revolution number, the filter cloth on the filter surface is just updated, the controller receives a signal from the Hall sensor, and then the motor is controlled to stop rotating.
In this embodiment, two side surfaces of the first filtering surface, the second filtering surface, the third filtering surface and the fourth filtering surface are respectively provided with a transverse distribution pressing strip and a longitudinal distribution pressing strip 7 for pressing the filter cloth on the first filtering surface, the second filtering surface, the third filtering surface and the fourth filtering surface, so that the filter cloth is kept in a straight state, and the filter cloth is prevented from being deformed due to the influence of wind force.
In this embodiment, the lateral wall that controlling means belongs to is the casing door of forced draught blower, and is fixed through the screw activity, can open at any time, overhauls the components and parts in the casing to and change the filter cloth on the filter equipment.
In this embodiment, the upper end portion in the cavity of the housing is further provided with a fan 8, and outdoor air is pumped into the room through the fan.
In this embodiment, the air supply opening is further provided with a non-return air opening 122 protruding outward, and the non-return air opening is provided with a swing blade, so that the air direction of the supplied air can be controlled. The side wall of the air supply outlet is also provided with a display screen which can display information such as wind power, temperature and the like of supplied air.
To sum up, the utility model provides a pair of forced draught blower, first filtering surface, second filtering surface, third filtering surface and the fourth filtering surface on the filter equipment link to each other in proper order and the second filtering surface and the third filtering surface form the V type structure that a level set up jointly, the point portion of V type structure is close to air intake place lateral wall and with the air intake corresponds the setting, and the V type structure that second filtering surface and third filtering surface formed jointly can be with the first filtering surface and the fourth filtering surface of the air intake direction for the first filtering surface and the fourth filtering surface that are located the filtering surface both ends can obtain abundant intake and filter, promote the utilization ratio of filtering surface on the whole. Simultaneously, the V-shaped structure that the level set up can guarantee to have sufficient filter area under the condition of reduction filter equipment's height to can practice thrift equipment area, help the forced draught blower miniaturization.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. A blower is characterized by comprising a shell and a filtering device;
an air inlet is formed in one side wall of the shell, and the filtering device is arranged in the shell and is opposite to the air inlet;
the filter device comprises a filter surface which is arranged opposite to the side wall where the air inlet is arranged, the filter surface comprises a first filter surface, a second filter surface, a third filter surface and a fourth filter surface which are sequentially connected, the first filter surface and the fourth filter surface are respectively vertically arranged, the second filter surface and the third filter surface jointly form a V-shaped structure which is horizontally arranged, and the sharp part of the V-shaped structure is close to the side wall where the air inlet is arranged and corresponds to the air inlet.
2. The blower according to claim 1, wherein a projection plane of the V-shaped structure in a direction has an overlapping area with a projection plane of the inlet vent in a direction, and a projection plane of a tip portion of the V-shaped structure is located at a midpoint position of the projection plane of the inlet vent.
3. A blower according to claim 1 or claim 2 in which the tip of the V-shaped structure is angled in the range 30 ° to 60 °.
4. A blower according to claim 3 in which the apex of the V-shaped formation is angled at 60 °.
5. The blower according to claim 1, wherein the filter device further comprises a cover plate, one end of the cover plate is connected with the upper end surface of the first filter surface in an abutting mode, and the other end of the cover plate is connected with the inner surface of one side wall of the shell where the air inlet is located; the fourth filtering surface is connected with the bottom of the shell.
6. The blower according to claim 1, wherein the filter surface comprises a filter cloth and a transmission shaft capable of rotating relative to the casing, the filter cloth further comprises a cleaning section and a blocking section, the cleaning section is wound on one of the transmission shafts and connected with the first filter surface, the blocking section is wound on the other transmission shaft and connected with the fourth filter surface, and the other transmission shaft is in driving connection with a motor arranged in the casing to drive the filter cloth to move from the cleaning section along the direction of the blocking section.
7. The blower according to claim 6, wherein the filter device further includes a tension shaft, and two or more of the tension shafts are respectively disposed between two adjacent filter surfaces.
8. The blower of claim 1, wherein a differential pressure sensor is disposed adjacent to the tension axis between the second filter surface and the third filter surface, and two signal ports of the differential pressure sensor are disposed on two sides adjacent to the filter surfaces.
9. The blower of claim 1, wherein a hall sensor is disposed on the tension shaft between the second filter surface and the third filter surface.
10. The blower of claim 7, wherein the first, second, third and fourth filter surfaces have beads disposed on opposite sides thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021961251.3U CN213176211U (en) | 2020-09-09 | 2020-09-09 | Air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021961251.3U CN213176211U (en) | 2020-09-09 | 2020-09-09 | Air blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213176211U true CN213176211U (en) | 2021-05-11 |
Family
ID=75772442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021961251.3U Active CN213176211U (en) | 2020-09-09 | 2020-09-09 | Air blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213176211U (en) |
-
2020
- 2020-09-09 CN CN202021961251.3U patent/CN213176211U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106931533B (en) | PTAC window machine and fresh air device with dehumidification function thereof | |
| CN213176211U (en) | Air blower | |
| CN209042600U (en) | Electric depurant, vertical air-conditioner indoor unit and air conditioner | |
| CN218379788U (en) | Air duct structure, fresh air module and air conditioner | |
| CN218269456U (en) | Fresh air module and air conditioner | |
| CN210951559U (en) | Air conditioner with function of switching positions of filtering mechanism | |
| CN210197463U (en) | Air outlet frame assembly of air duct machine and air duct machine | |
| CN109764521B (en) | Self-adaptive rotating plate ventilating air conditioning unit | |
| CN212132820U (en) | Regulating valve for heating ventilation air conditioner | |
| CN207610323U (en) | New wind turbine with interior circulatory function | |
| CN218672381U (en) | Fresh air module and air conditioner | |
| CN207065799U (en) | A kind of clearing machine air-valve and fresh air purifier | |
| CN220287718U (en) | Air conditioner filter screen subassembly | |
| CN219120752U (en) | Water retaining device for new wind gap of outer wall of industrial factory building | |
| CN218295983U (en) | Machine in new trend module and air conditioning | |
| CN218565645U (en) | Ventilation equipment pipeline with multidirectional air openings | |
| CN2655097Y (en) | Air collecting device for split-type air conditioner | |
| CN220083277U (en) | Fan valve structure and fresh air handling unit | |
| CN220892511U (en) | Filtering shutter air port for natural air inlet | |
| CN215062660U (en) | Indoor energy-saving ventilation structure based on house building design | |
| CN217847805U (en) | Outdoor vacuum circuit breaker | |
| CN215490054U (en) | Air conditioner indoor unit and air conditioning system | |
| CN219103161U (en) | Fresh air module and air pipe machine | |
| CN115962515A (en) | Fresh air module, air duct machine and control method | |
| CN216112226U (en) | Electric air volume adjusting valve for heating ventilation air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |