CN216677398U - Fresh air maintenance-free system - Google Patents
Fresh air maintenance-free system Download PDFInfo
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- CN216677398U CN216677398U CN202023281878.7U CN202023281878U CN216677398U CN 216677398 U CN216677398 U CN 216677398U CN 202023281878 U CN202023281878 U CN 202023281878U CN 216677398 U CN216677398 U CN 216677398U
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- free system
- filter screen
- fresh air
- air
- controller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a fresh air maintenance-free system, which comprises: off-premises station and indoor set, off-premises station and indoor set intercommunication, the off-premises station includes: outdoor casing, off-premises station shell are equipped with air intake and air outlet, and the air intake is equipped with filter screen and/or the air outlet is equipped with the filter screen, is equipped with filter screen cleaning device in the off-premises station shell, and filter screen cleaning device includes: the dust removing box is provided with a fan, two air ports are communicated with the air cavity, the front and the rear of the dust removing box are respectively provided with one air port, and the air cavity is arranged in the dust removing box; the indoor unit includes: an exhaust fan is arranged in the indoor machine shell. The cleaning device can blow or/and attract sundries attached to the filter screen, so that the purpose of cleaning the filter screen is achieved, and the filter screen does not need to be cleaned manually.
Description
Technical Field
The utility model relates to a fresh air device, in particular to a fresh air maintenance-free system.
Background
In recent years, due to the influences of air pollution, haze and the like, the outdoor air quality is poor, and when the outdoor filtering device is used, the outdoor environment and the geographic position are complex and changeable, so that a filter screen is easy to block in the using process, the filtering effect of the filter screen is poor, and the indoor unit is overloaded, so that the using effect is influenced. Secondly, because the filter screen frequently blocks, need regularly change or wash the filter screen, also increased artifical clean working strength.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a self-cleaning air filtering device, which aims at overcoming the defects that a filter screen of fresh air equipment does not need to be cleaned manually.
The object of the present invention is achieved by a structure including: off-premises station and indoor set, off-premises station and indoor set intercommunication, the off-premises station includes: outdoor casing, off-premises station shell are equipped with air intake and air outlet, and the air intake is equipped with filter screen and/or the air outlet is equipped with the filter screen, is equipped with filter screen cleaning device in the off-premises station shell, and filter screen cleaning device includes: the dust removal box is internally provided with an air cavity, a fan is arranged in the air cavity, the two air ports are communicated with the air cavity, and the front and the rear of the dust removal box are respectively provided with one air port; the indoor unit includes: an exhaust fan is arranged in the indoor machine shell.
A partition plate is arranged in the air cavity to divide the air cavity into a front air cavity and a rear air cavity; the back wind cavity is provided with more than one partition board, the back wind cavity is divided into more than two wind dividing cavities, and each wind dividing cavity is provided with a motor.
The air inlet of the fan is located in the rear air cavity, and the air outlet of the fan is located in the front air cavity.
The filter screen cleaning device is provided with a driving device.
The driving device includes: the guide rail is movably connected with the sliding block, the sliding block is connected with the dust removal box, and the sliding block is connected with the power device.
The power device comprises: the pull rope is wound on the wire wheel in a surrounding mode, and the wire wheel is driven by the motor.
When the air inlet and the air outlet are both provided with filter screens, the filtering precision of the filter screen arranged at the air inlet is smaller than that of the filter screen arranged at the air outlet.
A gas pressure sensor is arranged on the inner side of the filter screen; or the gas pressure sensor is connected with the controller.
The air inlet of the outdoor machine shell inclines downwards.
The fan is connected with the controller; or the motor is connected with the controller; or the fan and the motor are both connected with the controller; or the exhaust fan is connected with the controller.
According to the utility model, the filter screen cleaning device is arranged on the filter screen, and sundries attached to the filter screen are blown or/and sucked down, so that the purpose of cleaning the filter screen is achieved, the filter screen does not need to be cleaned manually, the filter screen is effectively cleaned conveniently, and the labor intensity of cleaning is reduced. Secondly, the cleaning device is provided with a driving device so as to be convenient for cleaning the whole surface of the filter screen. Thirdly, the cleaning device is provided with the gas pressure sensor and the controller, and the gas pressure sensor is used for collecting air circulation data, so that the controller can autonomously control the cleaning device to be started, or the cleaning device is started by the controller according to preset period, manual intervention is not needed in the cleaning process, and the labor intensity of manual operation is greatly reduced.
Drawings
Fig. 1 is a view showing a state in which an indoor unit according to an embodiment of the present invention is used, fig. 2 is a perspective view of an indoor unit according to an embodiment of the present invention, fig. 3 is a perspective view of a screen cleaning apparatus according to an embodiment of the present invention, fig. 4 is a sectional view of a screen cleaning apparatus according to an embodiment of the present invention, fig. 5 is a front view of a driving apparatus according to an embodiment of the present invention, and fig. 6 is a perspective view of an outdoor unit according to an embodiment of the present invention.
Detailed Description
The embodiment of the present invention shown in fig. 1, 2 and 6 includes: outdoor unit 1 and indoor set 2, outdoor unit and indoor set intercommunication, the outdoor unit includes: outdoor casing 101, outdoor casing 101 are equipped with air intake 102 and air outlet 103, and air intake 102 and air outlet 103 all are equipped with filter screen 4, and the filter fineness of air intake 102 department filter screen 4 is less than the filter fineness of air outlet department filter screen, and the filter screen 4 of air intake 2 department is the metal grille, and the filter screen of air outlet department is the polyurethane net. A filter screen cleaning device 5 is provided in the outdoor unit casing 1 between the two filter screens. In order to prevent rainwater from infiltrating into the outdoor casing 1 during rainfall, the outdoor casing 1 at the air inlet is inclined downward. The indoor unit 2 includes: indoor casing 201, indoor casing 201 is equipped with indoor air intake and indoor air outlet 202, establishes exhaust fan 3 in indoor casing 201.
As shown in fig. 3, 4 and 5, the screen cleaning apparatus includes: the dust removal box 501 is characterized in that an air cavity is formed in the dust removal box 501, and air openings 502 are respectively formed in the front and the rear of the dust removal box 501. The air port 502 in front of the dust removing box 501 faces the filter screen 4 at the air inlet, and the air port at the rear of the dust removing box 501 faces the filter screen at the air outlet. The wind cavity is internally provided with a partition 503 which divides the wind cavity into a front wind cavity 504 and a rear wind cavity, the rear wind cavity is provided with two partition plates 505 which divide the rear wind cavity into three wind dividing cavities 506, each wind dividing cavity is provided with a motor 507, and the partition 503 is provided with a through hole. The three fans 507 are all located in the front air cavity 504, and the fans 507 are centrifugal fans. The air inlet of each fan 507 is communicated with each air distribution cavity 506 through the corresponding through hole, the air outlet of each fan 507 is located in the front air cavity 504, each air distribution cavity 506 is communicated with the air inlet behind the dust removal box, and the front air cavity 504 is communicated with the air inlet 502 in front of the dust removal box, so that the dust collection effect is improved. The filter screen cleaning device is provided with a driving device, and the driving device comprises: the guide rail 508, guide rail 508 swing joint slider 509, slider 509 connects the dust removal box 501, and slider 509 connects power device. The power device comprises: the pulling rope 510 is wound on the wire wheel 511, two ends of the pulling rope 510 are respectively fixed on the guide rail fixing plates 512 at two ends of the guide rail 508, the wire wheel 511 is driven by the motor 513, the motor 513 drives the wire wheel 511 to rotate, and the wire wheel 511 rotates and winds the pulling rope to enable the sliding block 509 to change the position on the guide rail 508, so that the left and right reciprocating motion of the dust removing box 501 is controlled. Two sides of the dust removing box 501 are respectively provided with a limit switch. The rail fixing plate 512 is coupled inside the outdoor case 101.
The fan, the motor, the limit switch and the exhaust fan are connected with the controller. The controller is a microcomputer controller. The inside of air outlet department filter screen is equipped with gas pressure sensor, and gas pressure sensor also connects the controller. The controller compares the air inlet pressure detected by the gas pressure sensor with a preset value, and when the air inlet pressure detected by the gas pressure sensor is lower than the preset value, the controller starts the driving device and the fan to work to clean the attachments on the filter screens at the air inlet and the air outlet. The controller can also open the cleaning device according to preset period to perform the blowing and sucking cleaning operation of the filter screen. The limit switch is used for stopping moving when the dust removal box moves to one end of the guide rail, and then the controller controls the sliding block to drive the dust removal box to move reversely.
When the cleaning machine is used for cleaning, the controller closes the exhaust fan to start the fan and the motor, the motor drives the dust removal box to reciprocate, and the fan exhausts air from the rear air cavity, so that dust attached to the filter screen at the air outlet enters the rear air cavity along with air flowing through the air opening at the rear part of the dust removal box, enters the front air cavity through the fan, and finally air mixed with the dust is blown to the filter screen at the air inlet through the air opening at the front part of the dust removal box and blows away large-particle attachments such as insects, catkin and the like attached to the filter screen at the air inlet, and therefore the cleaning effect on the filter screens at the air inlet and the air outlet is achieved. And after the filter screen cleaning operation is finished, the controller closes the fan and the motor and starts the exhaust fan to exchange air indoors and outdoors.
As the improvement of the utility model, the filter screens are arranged at the air inlet or the air outlet, and only one filter screen is cleaned. Secondly, the fan is used for the dust collector, the air inlet of the fan is located in the rear air cavity, the air outlet of the fan is located in the front air cavity, and the whole fan is located in the air cavity or the rear portion of the fan extends out of the dust removal box. Thirdly, the limit switch can also be arranged on the driving device.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, and it is to be understood that various modifications to the disclosed embodiments may be made and that the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, any technical solutions that are the same as or similar to the present embodiment fall within the scope of the present invention.
Claims (32)
1. A fresh air maintenance-free system comprising: off-premises station and indoor set, off-premises station and indoor set intercommunication, its characterized in that: the outdoor unit includes: outdoor casing, outdoor unit shell are equipped with air intake and air outlet, and the air intake is equipped with the filter screen and/or the air outlet is equipped with the filter screen, is equipped with filter screen cleaning device in the outdoor unit shell, and filter screen cleaning device includes: the dust removal box is internally provided with an air cavity, a fan is arranged in the air cavity, the two air ports are communicated with the air cavity, and the front and the rear of the dust removal box are respectively provided with one air port; the indoor unit includes: an exhaust fan is arranged in the indoor machine shell.
2. The fresh air maintenance-free system according to claim 1, wherein: the wind cavity is internally provided with a partition board which divides the wind cavity into a front wind cavity and a rear wind cavity.
3. The fresh air maintenance-free system according to claim 2, wherein: the back wind cavity is provided with more than one partition board, the back wind cavity is divided into more than two wind distribution cavities, and each wind distribution cavity is provided with a motor.
4. The fresh air maintenance-free system according to claim 2 or 3, wherein: the air inlet of the fan is located in the rear air cavity, and the air outlet of the fan is located in the front air cavity.
5. A fresh air maintenance-free system according to claim 1, 2 or 3, wherein: the filter screen cleaning device is provided with a driving device.
6. The fresh air maintenance-free system according to claim 4, wherein: the filter screen cleaning device is provided with a driving device.
7. The fresh air maintenance-free system according to claim 5, wherein: the driving device includes: the guide rail is movably connected with the sliding block, the sliding block is connected with the dust removal box, and the sliding block is connected with the power device.
8. The fresh air maintenance-free system according to claim 6, wherein: the driving device includes: the guide rail is movably connected with the sliding block, the sliding block is connected with the dust removal box, and the sliding block is connected with the power device.
9. The fresh air maintenance-free system according to claim 7 or 8, wherein: the power device comprises: the pull rope is wound on the wire wheel in a surrounding mode, and the wire wheel is driven by the motor.
10. A fresh air maintenance-free system according to claim 1, 2, 3, 6, 7 or 8, wherein: when the air inlet and the air outlet are both provided with filter screens, the filter precision of the filter screen arranged at the air inlet is smaller than that of the filter screen arranged at the air outlet.
11. The fresh air maintenance-free system according to claim 4, wherein: when the air inlet and the air outlet are both provided with filter screens, the filtering precision of the filter screen arranged at the air inlet is smaller than that of the filter screen arranged at the air outlet.
12. The fresh air maintenance-free system according to claim 5, wherein: when the air inlet and the air outlet are both provided with filter screens, the filtering precision of the filter screen arranged at the air inlet is smaller than that of the filter screen arranged at the air outlet.
13. The fresh air maintenance-free system according to claim 9, wherein: when the air inlet and the air outlet are both provided with filter screens, the filtering precision of the filter screen arranged at the air inlet is smaller than that of the filter screen arranged at the air outlet.
14. A fresh air maintenance-free system according to claim 1, 2, 3, 6, 7, 8, 11, 12 or 13, wherein: a gas pressure sensor is arranged on the inner side of the filter screen; or the gas pressure sensor is connected with the controller.
15. The fresh air maintenance-free system according to claim 4, wherein: a gas pressure sensor is arranged on the inner side of the filter screen; or the gas pressure sensor is connected with the controller.
16. The fresh air maintenance-free system according to claim 5, wherein: a gas pressure sensor is arranged on the inner side of the filter screen; or the gas pressure sensor is connected with the controller.
17. The fresh air maintenance-free system according to claim 9, wherein: a gas pressure sensor is arranged on the inner side of the filter screen; or the gas pressure sensor is connected with the controller.
18. The fresh air maintenance-free system according to claim 10, wherein: a gas pressure sensor is arranged on the inner side of the filter screen; or the gas pressure sensor is connected with the controller.
19. A fresh air maintenance-free system according to claim 1, 2, 3, 6, 7, 8, 11, 12, 13, 15, 16, 17 or 18, wherein: the air inlet of the outdoor machine shell inclines downwards.
20. The fresh air maintenance-free system according to claim 4, wherein: the air inlet of the outdoor machine shell inclines downwards.
21. The fresh air maintenance-free system according to claim 5, wherein: the air inlet of the outdoor machine shell inclines downwards.
22. The fresh air maintenance-free system according to claim 9, wherein: the air inlet of the outdoor machine shell inclines downwards.
23. The fresh air maintenance-free system according to claim 10, wherein: the air inlet of the outdoor machine shell inclines downwards.
24. The fresh air maintenance-free system according to claim 14, wherein: the air inlet of the outdoor machine shell inclines downwards.
25. A fresh air maintenance-free system according to claim 1, 2, 3, 6, 7, 8, 11, 12, 13, 15, 16, 17, 18, 20, 21, 22, 23 or 24, wherein: the fan is connected with the controller; or the exhaust fan is connected with the controller.
26. The fresh air maintenance-free system according to claim 4, wherein: the fan is connected with the controller; or the exhaust fan is connected with the controller.
27. The fresh air maintenance-free system according to claim 5, wherein: the fan is connected with the controller; or the exhaust fan is connected with the controller.
28. The fresh air maintenance-free system according to claim 9, wherein: the fan is connected with the controller; or the exhaust fan is connected with the controller.
29. The fresh air maintenance-free system according to claim 10, wherein: the fan is connected with the controller; or the exhaust fan is connected with the controller.
30. The fresh air maintenance-free system according to claim 14, wherein: the fan is connected with the controller; or the exhaust fan is connected with the controller.
31. The fresh air maintenance-free system according to claim 19, wherein: the fan is connected with the controller; or the exhaust fan is connected with the controller.
32. A fresh air maintenance-free system according to claim 9, 13, 17, 22 or 28, wherein: the motor is connected with the controller; or the fan and the motor are both connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023281878.7U CN216677398U (en) | 2020-12-31 | 2020-12-31 | Fresh air maintenance-free system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023281878.7U CN216677398U (en) | 2020-12-31 | 2020-12-31 | Fresh air maintenance-free system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216677398U true CN216677398U (en) | 2022-06-07 |
Family
ID=81822111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023281878.7U Active CN216677398U (en) | 2020-12-31 | 2020-12-31 | Fresh air maintenance-free system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216677398U (en) |
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2020
- 2020-12-31 CN CN202023281878.7U patent/CN216677398U/en active Active
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