CN216114515U

CN216114515U - New fan of ceiling type

Info

Publication number: CN216114515U
Application number: CN202122481081.XU
Authority: CN
Inventors: 刘学阳; 周政机; 刘勇
Original assignee: Shenzhen Yueheng Intelligence Co ltd
Current assignee: Shenzhen Yueheng Intelligence Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-03-22
Anticipated expiration: 2031-10-14

Abstract

The utility model relates to a ceiling type fresh air machine which comprises an upper shell and a bottom plate, wherein the upper shell is arranged on the upper surface of the bottom plate and is provided with an accommodating cavity; an inner shell which is arranged on the upper surface of the bottom plate and is provided with a sealed cavity is arranged in the accommodating cavity; the upper shell is provided with a first fresh air port, the inner shell is provided with a second fresh air port, and the first fresh air port and the second fresh air port are connected through a fresh air pipe; an insect-proof net is arranged in the fresh air pipe; a filter module is arranged in the sealed cavity, and a centrifugal fan is arranged at the top of the accommodating cavity; the bottom plate is provided with a fresh air outlet at a position corresponding to the position between the upper shell and the inner shell, and the bottom plate is provided with an air return inlet, an indoor air quality sensor and an indoor temperature and humidity sensor at a position corresponding to the inner part of the inner shell; the upper shell is provided with a control circuit board; the centrifugal fan, the indoor air quality sensor and the indoor temperature and humidity sensor are electrically connected with the control circuit board. The utility model discloses a can guarantee the quality of new trend according to the running state of air quality control fan, purification efficiency is high.

Description

New fan of ceiling type

Technical Field

The utility model relates to the field of air purification, in particular to a ceiling type fresh air machine.

Background

With the development of industry, air pollution is more and more serious. People pay more attention to the indoor air quality, the air tightness of modern buildings is better and better, so that the indoor air is lack of fluidity, and some building materials can release some harmful gases, so that the indoor air quality is worse and worse, and the health of people is influenced. Some new fans for improving the indoor air are developed, and the new fans are used for enhancing the flow of the indoor air so as to improve the indoor air. However, in the existing fresh air machine, the operation state is relatively fixed, and can not be changed correspondingly according to the real-time situation, and the filter element in the fresh air machine can be influenced by dust or sand in the external environment in use, and can be impacted in the air inlet process, so that the service life of the filter element is shortened.

SUMMERY OF THE UTILITY MODEL

Aiming at the existing defects, the utility model provides a ceiling type fresh air machine.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a ceiling type fresh air fan comprises an upper shell and a bottom plate, wherein the upper shell is arranged on the upper surface of the bottom plate, and an accommodating cavity is formed between the upper shell and the bottom plate; an inner shell which is arranged on the upper surface of the bottom plate and forms a sealed cavity with the bottom plate is arranged in the accommodating cavity; the side wall of the upper shell is provided with a first fresh air port, the side wall of the inner shell is provided with a second fresh air port, and the first fresh air port and the second fresh air port are connected through a fresh air pipe; two ends of the fresh air pipe are correspondingly communicated with the outdoor and the sealed cavity, and a position close to the outdoor inside of the fresh air pipe is provided with an insect-proof net; a filter module is installed in the sealed cavity in a matching manner, and a centrifugal fan with adjustable speed is arranged at the top of the accommodating cavity; the air inlet of the centrifugal fan is communicated with the sealed cavity, and the air outlet of the centrifugal fan is communicated with a space clamped between the upper shell and the inner shell; the bottom plate is provided with a fresh air outlet at a position corresponding to the position between the upper shell and the inner shell, and the bottom plate is provided with a return air inlet, an indoor air quality sensor and an indoor temperature and humidity sensor which are of a grid structure at a position corresponding to the inner part of the inner shell; the upper shell is provided with a control circuit board with an MCU; the centrifugal fan, the indoor air quality sensor and the indoor temperature and humidity sensor are all electrically connected with the control circuit board.

Preferably, the fresh air outlet is internally provided with a negative ion generator electrically connected with the control circuit board.

Preferably, the sealed cavity is a cavity with a trapezoidal section.

Preferably, the centrifugal fan is provided with a silencer at both the air inlet and the air outlet of the centrifugal fan.

Preferably, the muffler is a microperforated panel muffler and is provided with at least one layer.

Preferably, the ratio of the hole center distance to the hole diameter on the silencer is 5-8: 1.

Preferably, a strengthened filter layer surrounding the wave-shaped stacking structure of the filter module is further arranged in the sealed cavity.

Preferably, the control circuit board is provided with a wireless communication module, and the control circuit board is electrically or communicatively connected with a controller.

Preferably, a display screen is arranged on the controller.

Preferably, the centrifugal fan is a multi-wing centrifugal volute fan.

The utility model has the beneficial effects that: the utility model discloses a can make it reach the optimal running state under the environment of different air quality according to the running state of air quality control fan, the effectual energy that has saved has guaranteed the quality of new trend, and purification efficiency is high.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of a controller according to an embodiment of the present invention;

part names and serial numbers in the figure: 1-upper shell 10-accommodating cavity 11-first fresh air port 2-bottom plate 20-fresh air outlet 21-return air port 22-indoor air quality sensor 23-indoor temperature and humidity sensor 200-anion generator 3-inner shell 30-sealed cavity 31-second fresh air port 32-strengthening filter layer 4-fresh air pipe 40-insect-proof net 5-filter module 6-centrifugal fan 60-silencer 7-control circuit board 70-wireless communication module.

Detailed Description

To more clearly illustrate the objects, technical solutions and advantages of the embodiments of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention. In addition, directional terms used in the present invention, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., refer to directions only as shown in the attached drawings, and are used for better and clearer explanation and understanding of the present invention, and do not indicate or imply orientation which the present invention must have, and thus, should not be construed as limiting the present invention.

The embodiment of the utility model is shown in fig. 1, a ceiling type fresh air machine comprises an upper shell 1 and a bottom plate 2, wherein the upper shell 1 is arranged on the upper surface of the bottom plate 2, a containing cavity 10 is formed between the upper shell and the bottom plate 2, the bottom plate 2 is arranged on a suspended ceiling in practical application, and the upper shell 1 is positioned in a suspended ceiling of a house; the accommodating cavity 10 is internally provided with an inner shell 3 which is arranged on the upper surface of the bottom plate 2 and forms a sealed cavity 30 with the bottom plate 2, the upper shell 1 and the inner shell 3 form a double-layer structure, and a space between the upper shell and the inner shell forms an air duct, at the moment, the sealed cavity 30 is a cavity with a trapezoidal section, namely, a structure with a large lower part and a small upper part, and is beneficial to the flow of wind; a first fresh air opening 11 is formed in the side wall of the upper shell 1, a second fresh air opening 31 is formed in the side wall of the inner shell 3, and the first fresh air opening 11 and the second fresh air opening 31 are connected through a fresh air pipe 4; the two ends of the fresh air pipe 4 are correspondingly communicated with the outdoor and the sealed cavity 30, the insect-proof net 40 is arranged at a position close to the outdoor in the fresh air pipe 4, the sealed cavity 30 is communicated with the outdoor by the fresh air pipe 4, air enters the sealed cavity 30 from the outdoor through the fresh air pipe 4, and outdoor insects and dust and sand of large particles are supported outside the fresh air pipe 4 by the insect-proof net 40 to be prevented from entering the sealed cavity 30; the filter module 5 is installed in the sealed cavity 30 in a matching manner, the centrifugal fan 6 with adjustable speed is arranged at the top of the accommodating cavity 10, fresh air enters the sealed cavity 30 through the fresh air pipe 4 and then is filtered through the filter module 5 to filter harmful substances in the fresh air, the quality of the fresh air is improved, the filtered fresh air enters the centrifugal fan 6 and enters a space formed between the upper shell 1 and the inner shell 3 through the centrifugal fan 6, and finally the fresh air is introduced into the room, the speed of the centrifugal fan 6 can be adjusted according to different air quality conditions by adjusting the speed of the centrifugal fan 6, the speed of the fresh air entering the room is adjusted, the centrifugal fan 6 operates at low wind speed under the conditions that the air quality is slightly polluted and the harmful gases are about to exceed the standard, and the centrifugal fan 6 operates at high speed under the conditions that the air quality is moderately polluted and the concentration of the harmful gases reaches the standard exceeding, the centrifugal fan 6 is in a standby detection state under the conditions that the air quality is in a normal state and the concentration of the harmful gas is not over standard, so that the use is more facilitated, the centrifugal fan 6 is a multi-wing centrifugal volute fan, and fan blades of the fan are completely arranged in a volute of the fan, so that the ventilation performance is improved; the filtering module 5 can adopt a primary-effect or intermediate-effect filtering module according to the environment to be used, the primary-effect filtering module is a structure that a plurality of bag-type or layered filter elements with activated carbon are arranged, and then the filter elements are arranged on corresponding supports; an air inlet of the centrifugal fan 6 is communicated with the sealed cavity 30, an air outlet of the centrifugal fan 6 is communicated with a space clamped between the upper shell 1 and the inner shell 3, namely, the residual part of the accommodating cavity 10 formed by the upper shell 1 and the bottom plate 2 and occupied by the inner shell 3; the bottom plate 2 is provided with a fresh air outlet 20 at a position corresponding to the position between the upper shell 1 and the inner shell 3, so that fresh air can enter the room after passing through the centrifugal fan 6, and the bottom plate 2 is provided with a grid-structured air return opening 21, an indoor air quality sensor 22 and an indoor temperature and humidity sensor 23 at a position corresponding to the inside of the inner shell 3, namely the positions of the positions are corresponding to the positions in the sealed cavity 30, so that the indoor air can be monitored in real time; the upper shell 1 is provided with a control circuit board 7 with an MCU; centrifugal fan 6, indoor air quality sensor 22, indoor temperature and humidity sensor 23 all with control scheme board 7 electric connection, MCU is exactly control scheme board 7 is to the center of processing of each information, indoor air quality sensor 22 detects indoor air quality situation, indoor temperature and humidity sensor 23 is just responded to indoor humiture, then they transmit corresponding information to MCU, MCU just judges according to the judgement standard of prestore, later control centrifugal fan 6's rotational speed according to the result of judging again, real-time operation according to different condition adjustment centrifugal fan 6, realize automatic regulation, energy is saved, air purification's quality has also been ensured, purification efficiency is higher.

In a further improvement, as shown in fig. 1, a negative ion generator 200 electrically connected to the control circuit board 7 is further installed in the fresh air outlet 20, the negative ion generator 200 can neutralize smoke dust with positive charges in the air, so that the air is further purified, and meanwhile, the negative ions enter the room and can prevent the generation of indoor static electricity.

In a further improvement, as shown in fig. 1, the centrifugal fan 6 is provided with mufflers 60 at both the air inlet and the air outlet, so that the mufflers 60 are utilized to reduce noise and optimize indoor environment. At this time, the silencer 60 is a micro-perforated plate silencer and is provided with at least one layer, so that the noise is reduced by using the friction loss of air in the micro-holes, and the noise reduction effect is better because the multiple layers are arranged to absorb the sound of multiple resonance frequencies. The noise is reduced, the air inlet and outlet are not influenced, the ratio of the hole center distance to the hole diameter on the silencer 60 is 5-8:1, the width of sound absorption frequency can be increased by keeping the ratio, the wind energy can enter normally, and the product performance is optimized.

In a further development, as shown in fig. 1, the sealed cavity 30 is also provided with a reinforcing filter layer 32 in an undulating stack around the filter module 5, which increases the cleaning capacity.

In a further improvement, as shown in fig. 1 and 2, a wireless communication module 70 is disposed on the control circuit board 7, the control circuit board 7 is electrically connected or communicatively connected to the controller 8, that is, the controller 8 may be a wired or wireless controller, the wired controller is mounted on the wall, and then the wired controller is electrically connected to the control circuit board 7 through a wire, the wireless controller may be connected in a wireless manner such as infrared, bluetooth, WiFi, and the like, and the controller 8 is provided with corresponding control keys. In order to facilitate effective control, the controller 8 is provided with the display screen 80, real-time monitoring data and operation parameters of the fan are displayed through the display screen 80, and preferably, the display screen 80 is a touch screen, so that the control keys are converted into corresponding side touch keys on the touch screen, and use is facilitated.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the utility model as defined in the appended claims.

Claims

1. A ceiling type fresh air fan is characterized by comprising an upper shell and a bottom plate, wherein the upper shell is arranged on the upper surface of the bottom plate, and an accommodating cavity is formed between the upper shell and the bottom plate; an inner shell which is arranged on the upper surface of the bottom plate and forms a sealed cavity with the bottom plate is arranged in the accommodating cavity; the side wall of the upper shell is provided with a first fresh air port, the side wall of the inner shell is provided with a second fresh air port, and the first fresh air port and the second fresh air port are connected through a fresh air pipe; two ends of the fresh air pipe are correspondingly communicated with the outdoor and the sealed cavity, and a position close to the outdoor inside of the fresh air pipe is provided with an insect-proof net; a filter module is installed in the sealed cavity in a matching manner, and a centrifugal fan with adjustable speed is arranged at the top of the accommodating cavity; the air inlet of the centrifugal fan is communicated with the sealed cavity, and the air outlet of the centrifugal fan is communicated with a space clamped between the upper shell and the inner shell; the bottom plate is provided with a fresh air outlet at a position corresponding to the position between the upper shell and the inner shell, and the bottom plate is provided with a return air inlet, an indoor air quality sensor and an indoor temperature and humidity sensor which are of a grid structure at a position corresponding to the inner part of the inner shell; the upper shell is provided with a control circuit board with an MCU; the centrifugal fan, the indoor air quality sensor and the indoor temperature and humidity sensor are all electrically connected with the control circuit board.

2. The ceiling type fresh air blower according to claim 1, wherein a negative ion generator electrically connected with the control circuit board is further installed in the fresh air outlet.

3. The ceiling type fresh air machine as claimed in claim 1, wherein the sealed cavity is a cavity with a trapezoidal cross section.

4. The ceiling type fresh air fan according to claim 1, wherein the centrifugal fan is provided with a silencer at both the air inlet and the air outlet.

5. The ceiling type fresh air machine according to claim 4, wherein the silencer is a micro-perforated plate silencer and is provided with at least one layer.

6. The ceiling type fresh air machine as claimed in claim 5, wherein the ratio of the hole center distance to the hole diameter on the silencer is 5-8: 1.

7. The ceiling type fresh air machine as claimed in claim 1, wherein a reinforced filter layer surrounding the filter module in a wave-shaped stacked structure is further arranged in the sealed cavity.

8. The ceiling type fresh air machine according to claim 1, wherein the control circuit board is provided with a wireless communication module, and the control circuit board is electrically or communicatively connected with a controller.

9. The ceiling type fresh air machine as claimed in claim 8, wherein a display screen is arranged on the controller.

10. The ceiling-mounted fresh air machine as claimed in claim 1, wherein the centrifugal fan is a multi-blade centrifugal scroll fan.