CN112066491A - Air inlet pipe, air conditioning unit and dust removal method thereof - Google Patents
Air inlet pipe, air conditioning unit and dust removal method thereof Download PDFInfo
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- CN112066491A CN112066491A CN202011072818.6A CN202011072818A CN112066491A CN 112066491 A CN112066491 A CN 112066491A CN 202011072818 A CN202011072818 A CN 202011072818A CN 112066491 A CN112066491 A CN 112066491A
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- air
- air inlet
- filter screen
- filter
- inlet pipe
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- 239000000428 dust Substances 0.000 title claims abstract description 55
- 238000004378 air conditioning Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 238000009991 scouring Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000002245 particle Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000000689 upper leg Anatomy 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
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
- F24F13/02—Ducting arrangements
-
- 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
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention discloses an air inlet pipe, an air conditioning unit and a dust removal method thereof, wherein the air inlet pipe comprises a first pipe section, a second pipe section and a third pipe section; the first pipe section comprises an air inlet and at least two groups of air filtering devices; the air filtering device comprises a filter screen and a dust removing device; the dust removal device comprises a vibrator, a spray nozzle and a differential pressure gauge, the air inlet pipe further comprises a controller, and the controller is electrically connected with the differential pressure gauge, the vibrator and the spray nozzle respectively; the air inlet pipe also comprises a liquid sprayer; the dust removal method of the air inlet pipe comprises the following steps: and when the pressure difference of the filter screen is greater than a preset value, starting the vibrator and/or the spray head to clean the surface of the filter screen. Compared with the prior art, the air filter device has the advantages that the at least two groups of air filter devices are arranged in the air inlet pipe at intervals from bottom to top, so that fresh air entering the air conditioning unit is heavily filtered, and the dust content of the fresh air entering the air conditioning unit is greatly reduced.
Description
Technical Field
The invention relates to the field of refrigeration system control, in particular to an air inlet pipe, an air conditioning unit and a dust removal method thereof.
Background
The combined air conditioning unit is an air treatment device assembled by various air treatment functional sections, is suitable for an air conditioning system with the resistance of more than 100Pa, and has the functions of air mixing, flow equalization, filtration, cooling and the like in the air treatment functional sections of the unit. However, when the existing combined air conditioning unit is used in high-temperature, dry and dusty environments, outdoor air has the characteristics of high temperature and large wind sand, and dust carried in outdoor fresh air is more, so that the dust is very easy to accumulate inside the unit, the heat exchange efficiency of the air conditioning unit is reduced, the load consumption is increased, and even the unit is damaged, and the problem that the load of a surface air cooler is large is caused by too high temperature of the fresh air.
Disclosure of Invention
The invention provides an air inlet pipe, an air conditioning unit and a dust removal method thereof, which solve the technical problem of more dust in fresh air of the air conditioning unit in the prior art.
The technical scheme adopted by the invention is as follows: an air inlet duct comprising: the first pipe section is vertically arranged and comprises an air inlet which is arranged downwards; at least two groups of air filtering devices which are arranged along the first pipe section at intervals and used for filtering fresh air repeatedly.
Further, the air filter device comprises a filter screen and a dust removal device for cleaning the filter screen.
Further, the dust removing device comprises a vibrator connected with the filter screen.
Furthermore, the dust removal device also comprises a spray head arranged on the leeward side of the filter screen to wash the filter screen.
Furthermore, the dust collector also comprises a differential pressure gauge arranged on the filter screen, and the air inlet pipe also comprises a controller which is respectively electrically connected with the differential pressure gauge, the vibrator and the spray head.
Furthermore, the air inlet pipe also comprises a liquid sprayer which is arranged between the air filtering device and is used for humidifying the air.
Furthermore, the air inlet pipe is in an inverted U shape, and further comprises a second pipe section which is communicated with the first pipe section and is horizontally arranged and a third pipe section which is communicated with the second pipe section and is vertically arranged, wherein the third pipe section comprises an air outlet which is arranged downwards.
An air conditioning unit comprises the air inlet pipe.
Furthermore, the air conditioning unit comprises a water receiving disc, and flow guide lines are arranged on the water receiving disc.
A dust removal method for an air inlet pipe comprises the following steps: and detecting the pressure difference of the filter screen, and starting the vibrator and/or the spray head to clean the surface of the filter screen when the pressure difference of the filter screen is greater than a preset value.
Compared with the prior art, the air filter device has the advantages that the at least two groups of air filter devices are arranged in the air inlet pipe at intervals from bottom to top, so that fresh air entering the air conditioning unit is heavily filtered, and the dust content of the fresh air entering the air conditioning unit is greatly reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an air conditioning unit according to the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides an air inlet pipe for an air conditioning unit suitable for a dusty environment, which mainly comprises three pipe sections, namely a first pipe section 1, a second pipe section 2 and a third pipe section 3, wherein the first pipe section 1, the second pipe section 2 and the third pipe section 3 are vertically arranged, and the first pipe section 1, the second pipe section 2 and the third pipe section 3 are spliced to form an inverted U-shaped air inlet pipe, as shown in figure 1.
Wherein, the new trend gets into the air-supply line from first pipeline section 1 in, the lower extreme of first pipeline section 1 is the air intake, be provided with at least two sets of air filter equipment in first pipeline section 1 with separating, be first air filter equipment 4 and second air filter equipment 5 respectively, the new trend loops through first air filter equipment 4 and second air filter equipment 5 in first pipeline section 1, through the filtration of these air filter equipment, fully filter the dust in the air, thereby greatly reduced the dust content who gets into air among the air conditioning unit.
In the present embodiment, the first air filtering device 4 and the second air filtering device 5 are sequentially disposed in the first pipe section 1 from bottom to top, and the first air filtering device 4 adopts the same structure, the first air filtering device 4 is taken as an example for description, the first air filtering device 4 includes a first filter screen 41 and a dust removing device, the dust removing device includes a first vibrator 42 disposed on the first filter screen 41 and a first nozzle 43 disposed on the leeward side of the first filter screen 41, the first filter screen 41 is used for filtering air, and the first vibrator 42 and the first nozzle 43 are used for removing dust on the surface of the first filter screen 41, so as to reduce manual operation and improve dust removing efficiency.
The second air filter device 5 includes a second filter 51, a second vibrator 52 provided on the second filter 51, and a second spray head 53 provided on the lee side of the second filter 51.
Specifically, in the present embodiment, the first filter screen 41 and the second filter screen 51 have the same filtering efficiency, so that dust with smaller particles can simultaneously pass through the two filter screens and enter the air conditioning unit, and therefore, in the present embodiment, a plurality of liquid sprayers 6 are disposed between the first air filter device 4 and the second air filter device 5, and when the air inlet pipe draws fresh air, the liquid sprayers 6 can spray water vapor, so that the dust penetrating through the lower first filter screen 41 can rapidly adsorb fine dust particles under the action of the water vapor under the action of the liquid sprayers 6, and then dust "aggregates" with larger particle size are formed, and these "aggregates" continue to rise and are filtered by the upper second filter screen 51, so that the dust content of the gas passing through the second filter screen 51 is greatly reduced; meanwhile, the liquid sprayer 6 can also play a role in reducing the temperature of fresh air entering the air conditioning unit, so that the load of the air conditioning unit is reduced, and the energy-saving effect is further achieved.
Further, the second air filter device 5 is explained as follows: when the lower surface of the second filter screen 51 is full of dust, the second vibrator 52 starts to operate to vibrate the dust and fall off from the surface of the second filter screen 51, the dust returns to the original particle size, naturally settles down to penetrate through the first filter screen 41 to be discharged into the air inlet pipe, or is matched with the second spray nozzle 53 to wash the second filter screen 51, and the dust on the surface of the second filter screen 51 is discharged as clean as possible under the action of the second spray nozzle 53 and the second vibrator 52.
It should be noted that the second spray head 53 (including the first spray head 43) can spray air flow or liquid to flush the second filter 51 (the first filter 41).
In other embodiments, only the second sprayer 53 or the second vibrator 52 may be turned on to remove dust; as to the dust removal method, the dust removal can be performed according to the dust adhesion degree on the surface of the second filter screen 51, and the dust adhesion degree is determined according to the magnitude of the differential pressure value, for example, the dust adhesion degree on the surface of the second filter screen 51 is divided into three stages from small to large according to the magnitude of the differential pressure value, when the surface of the second filter screen 51 is in the first stage, only the second vibrator 52 is turned on to start dust removal, when the surface of the second filter screen 51 is in the second stage, only the second nozzle 53 is turned on to start dust removal, and when the surface of the second filter screen 51 is in the third stage, both the second vibrator 52 and the second nozzle 53 are turned on to start dust removal.
The first air filter device 4 and the second air filter device 5 in the present application are the same in dust removal and use method.
Certainly in other embodiments, the first filter screen 41 and the second filter screen 51 may also be configured as filter screens with two filter performances, the filter performances from the first filter screen 41 to the second filter screen 51 are increased progressively, the first filter screen 41 performs primary filtering to filter out large-sized particles, the second filter screen 51 performs secondary filtering to filter out small-sized particles, and the dust content of the fresh air is ensured to be small enough through multiple filtering.
Wherein, still set up the differential pressure gauge on the air filter in this application, the differential pressure gauge is connected with the controller electricity, and the differential pressure gauge is used for detecting the pressure differential of each air filter's filter screen both sides, and the content of the adnexed dust on the accurate filter screen that detects, when it detects that pressure differential reaches a definite value, just control vibrator and/or shower nozzle and begin the deashing by the controller.
Further, the application still provides an air conditioning unit, as shown in fig. 1, the air conditioning unit is including the new trend section 7 that sets gradually, just imitate the filter segment 8, wet membrane humidification section 9, table cold section 10 and fan section 11, the lower extreme of third pipeline section 3 is the air outlet of air-supply line, new trend section 7 communicates with the lower extreme of third pipeline section 3, the new trend filters harmful gas through just imitating the filter segment 8 in proper order in the air conditioning unit, wet membrane humidification section 9 utilizes the heat absorption when the water evaporation to further reduce the new trend temperature, table cold section 10 adjusts the temperature of new trend, at last, supply air through fan section 11.
Still be equipped with the water collector in air conditioning unit's bottom, the water collector surface in this application is equipped with the water conservancy diversion line, and the water droplet that the water conservancy diversion line can drip its surface with higher speed assembles, and the water droplet assembles into a thigh and flows into the drain pipe fast, has improved the drainage efficiency of water collector, and then has improved air conditioning unit's wet and dry separation degree.
Simultaneously, this application has still provided the dust removal method of an air-supply line, and the dust removal method of this application includes: and detecting the pressure difference of each filter screen in real time by using a pressure difference meter, when the pressure difference of the filter screens exceeds a preset value, indicating that the dust attachment amount on the filter screens is large, closing a fan driving motor of the air conditioning unit, simultaneously starting a vibrator and a spray head to remove dust on the filter screens, and finishing dust removal work after preset time.
Preferably, the spray head operates for two minutes to finish the dust removal work of the filter screen.
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 invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An air inlet duct, comprising: the first pipe section is vertically arranged and comprises an air inlet which is arranged downwards; at least two groups of air filtering devices are arranged at intervals along the vertical direction of the first pipe section to repeatedly filter fresh air.
2. The air inlet duct according to claim 1, wherein said air filter means includes a filter screen and a dust collector for cleaning the filter screen.
3. The air inlet duct according to claim 2, wherein said dust extraction means includes a vibrator connected to said screen.
4. The air inlet duct according to claim 3, wherein said dust removal device further comprises a spray head disposed on a leeward side of said filter screen for scouring said filter screen.
5. The air inlet pipe according to claim 4, wherein the dust removing device further comprises a differential pressure gauge disposed on the filter screen, and the air inlet pipe further comprises a controller electrically connected to the differential pressure gauge, the vibrator and the nozzle, respectively.
6. The air inlet duct according to claim 1, further comprising a spray applicator positioned between said air filter and said air filter for humidifying air.
7. The air inlet duct according to claim 1, wherein said air inlet duct is inverted U-shaped and further comprises a horizontally disposed second duct section in communication with said first duct section and a vertically disposed third duct section in communication with said second duct section, said third duct section including downwardly disposed air outlets.
8. An air conditioning assembly, characterized in that it comprises an air inlet duct according to any one of claims 1 to 7.
9. The air conditioning unit as set forth in claim 8, wherein the air conditioning unit includes a drip pan, and the drip pan is provided with flow guide lines.
10. A method of dedusting an air inlet duct, said air inlet duct comprising the air inlet duct of claim 4, said method comprising: and detecting the pressure difference of the filter screen, and starting the vibrator and/or the spray head to clean the surface of the filter screen when the pressure difference of the filter screen is greater than a preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011072818.6A CN112066491A (en) | 2020-10-09 | 2020-10-09 | Air inlet pipe, air conditioning unit and dust removal method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011072818.6A CN112066491A (en) | 2020-10-09 | 2020-10-09 | Air inlet pipe, air conditioning unit and dust removal method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112066491A true CN112066491A (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011072818.6A Pending CN112066491A (en) | 2020-10-09 | 2020-10-09 | Air inlet pipe, air conditioning unit and dust removal method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN112066491A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216167A (en) * | 2021-12-22 | 2022-03-22 | 珠海格力电器股份有限公司 | Fresh air filtering device, fresh air module, air conditioner and control method of fresh air module |
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| CN206853334U (en) * | 2017-06-28 | 2018-01-09 | 厦门市宇洲环保科技有限公司 | A kind of dust treatment plant |
| CN107780961A (en) * | 2017-10-06 | 2018-03-09 | 中国水利水电科学研究院 | A kind of wet type colliery dust arrester and its application process |
| US20190308130A1 (en) * | 2016-07-05 | 2019-10-10 | Shandong Yunqing Environmental Sci-Tech Co., Ltd | Multi-mechanism wet dust removal apparatus achieving water circulation use and dust removal method |
| CN110822684A (en) * | 2019-10-29 | 2020-02-21 | 浙江创力电子股份有限公司 | From dust removal air duct device and new trend system |
| CN210772539U (en) * | 2019-07-08 | 2020-06-16 | 第一物业(北京)股份有限公司 | Electrostatic precipitator new trend system |
| CN212362289U (en) * | 2020-10-09 | 2021-01-15 | 珠海格力电器股份有限公司 | Air inlet pipe and air conditioning unit |
-
2020
- 2020-10-09 CN CN202011072818.6A patent/CN112066491A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374057A (en) * | 2014-10-24 | 2015-02-25 | 广东申菱空调设备有限公司 | Particulate matter filtering device with automatic cleaning function and control method thereof |
| US20190308130A1 (en) * | 2016-07-05 | 2019-10-10 | Shandong Yunqing Environmental Sci-Tech Co., Ltd | Multi-mechanism wet dust removal apparatus achieving water circulation use and dust removal method |
| CN206853334U (en) * | 2017-06-28 | 2018-01-09 | 厦门市宇洲环保科技有限公司 | A kind of dust treatment plant |
| CN107780961A (en) * | 2017-10-06 | 2018-03-09 | 中国水利水电科学研究院 | A kind of wet type colliery dust arrester and its application process |
| CN210772539U (en) * | 2019-07-08 | 2020-06-16 | 第一物业(北京)股份有限公司 | Electrostatic precipitator new trend system |
| CN110822684A (en) * | 2019-10-29 | 2020-02-21 | 浙江创力电子股份有限公司 | From dust removal air duct device and new trend system |
| CN212362289U (en) * | 2020-10-09 | 2021-01-15 | 珠海格力电器股份有限公司 | Air inlet pipe and air conditioning unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216167A (en) * | 2021-12-22 | 2022-03-22 | 珠海格力电器股份有限公司 | Fresh air filtering device, fresh air module, air conditioner and control method of fresh air module |
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