CN112344479A - Fresh air system capable of automatically cleaning filter screen - Google Patents
Fresh air system capable of automatically cleaning filter screen Download PDFInfo
- Publication number
- CN112344479A CN112344479A CN201910723825.9A CN201910723825A CN112344479A CN 112344479 A CN112344479 A CN 112344479A CN 201910723825 A CN201910723825 A CN 201910723825A CN 112344479 A CN112344479 A CN 112344479A
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- shell
- fresh air
- fixing frame
- fan
- dust
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- 238000004140 cleaning Methods 0.000 title claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 38
- 238000007664 blowing Methods 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000006855 networking Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 241000255925 Diptera Species 0.000 description 1
- 241000219000 Populus Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
Abstract
The invention discloses a fresh air system for automatically cleaning a filter screen, which comprises an air inlet fan and a filter device, wherein the filter device comprises a shell, a fixing frame and an ash removal box, a plurality of air inlets are formed in the shell, an insect-proof net is arranged on one side of the shell, which faces the fixing frame, a filter screen frame is arranged at one end, which is far away from the shell, of the fixing frame, a dust suction fan, a dust blowing fan and a driving motor are arranged in the ash removal box, an installation base is arranged at one end of the fixing frame, and a wind pressure sensor and a. By using a software control and communication networking technology, the parameters output by the sensor are used for replacing manual judgment, so that the intelligent monitoring system is more intelligent, the manpower and material resources are saved, and the running reliability and the working efficiency of equipment are improved; the filtering device is arranged externally, and the indoor floor area is small; the system is maintenance-free, and is matched with the ash removal box through the wind pressure sensor, so that the system is self-cleaned in time, the phenomenon that a product cannot normally run due to blockage of the two stages of filter screens is avoided, and the service life is prolonged.
Description
Technical Field
The invention relates to the technical field of fresh air systems, in particular to a fresh air system capable of automatically cleaning a filter screen.
Background
The power consumption of communication on-grid equipment is taken as the basic power consumption of a communication base station, and is a rigid demand, and the prior art almost has no means for greatly saving energy, and only a breakthrough is sought in the aspect of air conditioner power consumption for realizing energy saving and consumption reduction. In principle, the adoption of a fresh air system is a reasonable choice under the current technical conditions, and the service time and frequency of the air conditioner in daily maintenance can be reduced to the maximum extent.
The principle of the fresh air system is that a large amount of outdoor clean cold air is led in to perform forced ventilation and cooling on the inside of the communication base station, and hot air in the base station is discharged. Rely on the circulation of air of the big amount of wind to introduce the lower outdoor air of temperature fast, the new trend system can be effectively with the interior hot-air of basic station outwards discharge rapidly, avoids indoor heat to pile up, effectively reduces the live time of air conditioner to reduce the operating cost who arouses by power consumption by a wide margin, also reduce the turn on and turn off number of times of air conditioner simultaneously, extension air conditioner life. Experiments and current network application verification prove that 40-50% of the original energy consumption of the air-conditioning system can be saved when the air-conditioning and intelligent fresh air starting temperature is reasonably set.
The traditional fresh air system mainly has the following problems:
(1) the dust of the air inlet filter screen is seriously blocked
At present, filter screens and insect-proof nets at air inlets have the problems of filth blockage of filter screens caused by poplar catkins, mosquitoes and the like and large-particle dust, and are not suitable for unattended requirements of communication base stations because manpower is required to be frequently used for cleaning and replacing the filter screens on site. This problem has not been effectively solved once the screen has clogged, which can lead to failure of the ventilation.
(2) High maintenance labor and material consumption
The maintenance is tedious and frequent, the too big problem of consumptive material leads to the running cost of equipment itself too high, and a large amount of new trend systems can't obtain in time to maintain to take ill work, even the shutdown, can't realize its energy-conserving function.
(3) A problem occurs in the control system
A fresh air system for automatically cleaning a filter screen has a function of automatic start without power supply, and cannot be automatically started after power failure recovery;
B. control panel failure, failure of linkage control of the fresh air system and the air conditioner.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a fresh air system for automatically cleaning a filter screen, which is simple in structure and reasonable in design.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
a fresh air system for automatically cleaning a filter screen comprises an air inlet fan and a filter device, wherein the air inlet fan is communicated with the filter device, the air inlet fan is arranged indoors, the filter device is arranged outdoors, the filter device comprises a shell, a fixing frame which is matched with the shell to form a whole, and a dust cleaning box arranged on the fixing frame, a plurality of air inlets are arranged on the shell, an air deflector which is inclined upwards is arranged at the lower end of each air inlet, an insect-proof net is arranged on one side, facing the fixing frame, of the shell, a filter screen frame is arranged at one end, away from the shell, of the fixing frame, a dust suction fan for cleaning the filter screen frame, a dust blowing fan for cleaning the insect-proof net and a driving motor for controlling the dust cleaning box to reciprocate are arranged in the dust cleaning box, an operation guide rail is arranged on the fixing frame, and two ends of the dust cleaning box, one end of the fixing frame is provided with an installation base, and a wind pressure sensor and a controller for detecting the blocking condition are arranged in the installation base.
Further, the ash removal case adopts rack and pinion meshing to realize the motion, the inside guide bar that is equipped with of shell, the direction and the ash removal case of guide bar set up perpendicularly, the one end of guide bar is equipped with a plurality of sawtooth, be equipped with on the ash removal case with sawtooth complex gear, the one end of gear is connected with driving motor, the both ends of guide bar are equipped with limit switch.
Further, the wind pressure sensor, the dust blowing fan, the dust collection fan, the driving motor and the limit switch are all electrically connected with the controller.
Further, the wind pressure sensor, the limit switch and the input end of the controller are connected, and the dust collection fan, the dust blowing fan and the driving motor are connected with the output end of the controller.
Furthermore, the bottom of the shell is provided with a lower air inlet.
The invention has the beneficial effects that: by using a software control and communication networking technology, the parameters output by the sensors are used for replacing manual judgment, so that the intelligent monitoring system is more intelligent, the manpower and material resources are saved, and the running reliability and the working efficiency of equipment in the base station are improved; the filtering device is arranged externally, and the indoor floor area is small; the system is maintenance-free, and is matched with the ash removal box through the wind pressure sensor, so that the system is self-cleaned in time, the phenomenon that a product cannot normally run due to blockage of the two stages of filter screens is avoided, and the service life is prolonged.
Drawings
FIG. 1 is a schematic view of the construction of a filter device according to the present invention;
FIG. 2 is a back schematic view of a filter apparatus of the present invention;
FIG. 3 is a schematic structural view of the fixing frame of the present invention;
FIG. 4 is a view of the internal components of the ash bin of the present invention;
FIG. 5 is a front view of the ash bin of the present invention;
FIG. 6 is a rear view of the ash bin of the present invention;
FIG. 7 is a schematic structural view of the present invention;
FIG. 8 is a system schematic of a fresh air system of the present invention;
FIG. 9 is a control block diagram of the present invention;
FIG. 10 is a block diagram of the system of the present invention;
fig. 11 is a schematic circuit diagram of the present invention.
Reference symbol comparison table:
1. the air inlet fan, 2, filter equipment, 3, a shell, 4, a fixing frame, 5, an ash removal box, 5.1, a dust collection fan, 5.2, a dust blowing fan, 5.3, a driving motor, 6, an air inlet, 6.1, an air deflector, 7, an insect-proof net, 8, a filter screen frame, 9, an installation base, 10, an air pressure sensor, 11, a controller, 12, a guide rod, 12.1, a gear, 13 and a lower air inlet.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In order to make the content of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in the attached drawings, the fresh air system for automatically cleaning the filter screen comprises an air intake fan 1 and a filter device 2, wherein the air intake fan 1 is communicated with the filter device 2, the air intake fan 1 is arranged indoors, the filter device 2 is arranged outdoors, the filter device 2 comprises a shell 3, a fixing frame 4 which is matched with the shell 3 to form a whole, and a dust cleaning box 5 arranged on the fixing frame 4, a plurality of air inlets 6 are arranged on the shell 3, an air deflector 6.1 inclining upwards is arranged at the lower end of each air inlet 6, an insect-proof net 7 is arranged on one side of the shell 3 facing the fixing frame 4, a filter screen frame 8 is arranged at one end of the fixing frame 4 far away from the shell 3, a dust suction fan 5.1 for cleaning the filter screen frame 8, a dust blowing fan 5.2 for cleaning the insect-proof net 7, and a driving motor 5.3 for controlling the dust cleaning box 5 to reciprocate are arranged in the dust cleaning box 5, be equipped with the operation guide rail on the mount 4, the both ends of deashing case 5 are hugged closely with fly net 7 and the contact of filter screen frame 8 respectively, the one end of mount 4 is equipped with installation base 9, be equipped with the wind pressure inductor 10 and the controller 11 that detect the jam condition in the installation base 9.
The ash removal box 5 adopts rack and pinion meshing to realize the motion, the inside guide bar 12 that is equipped with of shell 3, the direction and the ash removal box 5 of guide bar 12 set up perpendicularly, the one end of guide bar 12 is equipped with a plurality of sawtooth, be equipped with on the ash removal box 5 with sawtooth complex gear 12.1, the one end of gear 12.1 is connected with driving motor 5.3, the both ends of guide bar 12 are equipped with limit switch.
The wind pressure sensor 10, the dust blowing fan 5.2, the dust collection fan 5.1, the driving motor 5.3 and the limit switch are all electrically connected with the controller 11.
The wind pressure sensor 10, limit switch are connected with the input of controller 11, dust absorption fan 5.1, blow dirt fan 5.2, driving motor 5.3 are connected with the output of controller 11.
The bottom of the shell 3 is provided with a lower air inlet 13.
In the device use, utilize natural cold source, with outdoor cold air after the fly net on filter equipment filters with the filter screen frame, inside high efficiency's the introduction basic station, the hot-air of discharge reduces the basic station temperature, guarantees the normal operating of basic station. The new trend system is in service, and dirty cold air can block the dust on the filter screen frame after high efficiency filter module filters, and the controller is according to intelligent new trend filter equipment's actual jam condition (judging through the wind pressure inductor), when filter equipment jam degree (inside and outside wind pressure differential) surpassed the controller setting value, begins to clean automatically.
Two conditions are required for the controller to control the operation of the ash removal box (any condition can be achieved): firstly, a client sets a cleaning time interval according to the ambient environment condition of a base station, and starts automatic cleaning when the time point is met; and secondly, the controller judges the blocking condition of the insect-proof net and the filter screen frame through the wind pressure sensor according to the actual blocking condition of the intelligent fresh air filtering device, and when the blocking degree (the internal and external wind pressure difference) of the filtering device exceeds the set value of the controller, automatic cleaning is started.
When the intelligent fresh air control system detects that the self-cleaning working condition is met, the driving motor and the dust collection fan are controlled to work at first, dust collection and cleaning are carried out on the filtering device twice back and forth (the back and forth function is realized by a touch signal sent to the controller by the limit switch), then the dust blowing fan and the driving motor are started to work, and the insect-proof net is cleaned twice back and forth, so that the two-stage filtration of the system can be automatically cleaned at the same time. After the process is finished, the wind pressure sensor detects the blocking degree of the filtering device again, and if the requirement is met, the cleaning is finished. And waiting for the next command, if the command does not meet the requirement, cleaning for the second time, judging again after the cleaning is finished, if the command does not meet the requirement, reporting to remote monitoring, and waiting for manual processing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides an automatic fresh air system of clean filter screen, includes air intake fan (1) and filter equipment (2), its characterized in that: the air inlet fan (1) is communicated with the filtering device (2), the air inlet fan (1) is arranged indoors, the filtering device (2) is arranged outdoors, the filtering device (2) comprises a shell (3), a whole fixing frame (4) is formed by matching with the shell (3), a dust removing box (5) is arranged on the fixing frame (4), a plurality of air inlets (6) are arranged on the shell (3), an air deflector (6.1) inclining upwards is arranged at the lower end of each air inlet (6), an insect-proof net (7) is arranged on one side, facing the fixing frame (4), of the shell (3) far away from the fixing frame (4), a filter screen frame (8) is arranged at one end of the fixing frame (4), a dust suction fan (5.1) for cleaning the filter screen frame (8) and a dust blowing fan (5.2) for cleaning the insect-proof net (7) are arranged in the dust removing box (5), A driving motor (5.3) for controlling dust box (5) round trip movement, be equipped with the operation guide rail on mount (4), the both ends of dust box (5) are hugged closely with fly net (7) and filter screen frame (8) contact respectively, the one end of mount (4) is equipped with installation base (9), be equipped with wind pressure inductor (10) and controller (11) that detect the jam condition in installation base (9).
2. The fresh air system of claim 1, wherein the fresh air system comprises: deashing case (5) adopt rack and pinion meshing to realize the motion, shell (3) inside is equipped with guide bar (12), the direction and the perpendicular setting of deashing case (5) of guide bar (12), the one end of guide bar (12) is equipped with a plurality of sawtooth, be equipped with on deashing case (5) with sawtooth complex gear (12.1), the one end of gear (12.1) is connected with driving motor (5.3), the both ends of guide bar (12) are equipped with limit switch.
3. The fresh air system of claim 1, wherein the fresh air system comprises: the wind pressure sensor (10), the dust blowing fan (5.2), the dust collection fan (5.1), the driving motor (5.3) and the limit switch are all electrically connected with the controller (11).
4. The fresh air system of claim 3, wherein the fresh air system comprises: the wind pressure sensor (10) and the limit switch are connected with the input end of the controller (11), and the dust collection fan (5.1), the dust blowing fan (5.2), the driving motor (5.3) are connected with the output end of the controller (11).
5. The fresh air system of claim 1, wherein the fresh air system comprises: and a lower air inlet (13) is formed in the bottom of the shell (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910723825.9A CN112344479A (en) | 2019-08-07 | 2019-08-07 | Fresh air system capable of automatically cleaning filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910723825.9A CN112344479A (en) | 2019-08-07 | 2019-08-07 | Fresh air system capable of automatically cleaning filter screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112344479A true CN112344479A (en) | 2021-02-09 |
Family
ID=74366547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910723825.9A Pending CN112344479A (en) | 2019-08-07 | 2019-08-07 | Fresh air system capable of automatically cleaning filter screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112344479A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201416454Y (en) * | 2009-06-19 | 2010-03-03 | 北京京铁世安机械安全技术研究所 | Large-scale tunnel dust removal device |
| US20100107575A1 (en) * | 2007-04-18 | 2010-05-06 | Haier Group Corproation | Self-cleaning device of filtering net of air conditioner |
| US20150114232A1 (en) * | 2010-06-29 | 2015-04-30 | Guangdong Chigo Air-conditioning Co., Ltd. | Automatic dust-removing and cleaning device for filter net of air-conditioner |
| CN107687695A (en) * | 2017-09-19 | 2018-02-13 | 天钥光电（湖北）股份有限公司 | A kind of air filter |
| CN108569615A (en) * | 2018-04-04 | 2018-09-25 | 上海富士电梯有限公司 | Elevator with automatically cleaning sedan-chair Room mechanical electric device |
| CN208588034U (en) * | 2018-06-26 | 2019-03-08 | 安徽应力环保科技有限公司 | A kind of automated cleaning mechanism of fresh air system |
| CN210717949U (en) * | 2019-08-07 | 2020-06-09 | 臻懿(北京)科技有限公司 | Fresh air system capable of automatically cleaning filter screen |
-
2019
- 2019-08-07 CN CN201910723825.9A patent/CN112344479A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100107575A1 (en) * | 2007-04-18 | 2010-05-06 | Haier Group Corproation | Self-cleaning device of filtering net of air conditioner |
| CN201416454Y (en) * | 2009-06-19 | 2010-03-03 | 北京京铁世安机械安全技术研究所 | Large-scale tunnel dust removal device |
| US20150114232A1 (en) * | 2010-06-29 | 2015-04-30 | Guangdong Chigo Air-conditioning Co., Ltd. | Automatic dust-removing and cleaning device for filter net of air-conditioner |
| CN107687695A (en) * | 2017-09-19 | 2018-02-13 | 天钥光电（湖北）股份有限公司 | A kind of air filter |
| CN108569615A (en) * | 2018-04-04 | 2018-09-25 | 上海富士电梯有限公司 | Elevator with automatically cleaning sedan-chair Room mechanical electric device |
| CN208588034U (en) * | 2018-06-26 | 2019-03-08 | 安徽应力环保科技有限公司 | A kind of automated cleaning mechanism of fresh air system |
| CN210717949U (en) * | 2019-08-07 | 2020-06-09 | 臻懿(北京)科技有限公司 | Fresh air system capable of automatically cleaning filter screen |
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