CN216897714U - Air duct filter screen cleaning device and fresh air system - Google Patents
Air duct filter screen cleaning device and fresh air system Download PDFInfo
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- CN216897714U CN216897714U CN202123347274.2U CN202123347274U CN216897714U CN 216897714 U CN216897714 U CN 216897714U CN 202123347274 U CN202123347274 U CN 202123347274U CN 216897714 U CN216897714 U CN 216897714U
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- spray gun
- air duct
- filter screen
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The utility model provides an air duct filter screen cleaning device and a fresh air system, wherein the cleaning device is arranged at the periphery of a filter screen in an air duct and comprises a spray gun bracket, a spray gun, a dust collecting groove, an exhaust channel and a baffle plate; the spray gun support is arranged at the periphery of the back of the filter screen, and the spray gun is movably arranged on the spray gun support; the dust collecting groove is positioned below the air duct, and an opening communicated with the dust collecting groove is formed in the bottom wall of the air duct; the baffle is rotationally arranged on the periphery of the front surface of the filter screen, and the opening is positioned between the baffle and the filter screen; the exhaust passage is arranged on the side surface of the dust collecting groove; the spray gun is provided with a flat nozzle for spraying a gas under varying pressure against the screen. The spray gun removes dust from the filter screen through airflow with pressure change, and then removes dust by matching with the hairbrush, so that the cleaning effect can be effectively improved, and meanwhile, the raised dust can be blown out of the room, and the indoor air is prevented from being polluted; in addition, the cleaning device utilizes the fan of the fresh air system to supply air for the spray gun, and air supply equipment does not need to be additionally arranged.
Description
Technical Field
The utility model relates to the technical field of fresh air equipment, in particular to an air duct filter screen cleaning device and a fresh air system.
Background
A filter screen is usually arranged in an air return pipeline of the fresh air system. The filter screens need to be cleaned regularly, so that the influence of accumulated dust on the ventilation effect is avoided, and the accumulated dust breeding bacteria cause damage to human bodies.
At present, most of filter screens in air ducts need to be cleaned manually. When cleaning, the filter screen needs to be removed for washing, and then the filter screen is arranged in the return air pipe after washing. However, the cleaning method is time-consuming and labor-consuming, so that frequent cleaning is difficult, and dust accumulation and bacteria growth are inevitable when the filter screen is used daily.
Also there are some devices that can self-cleaning filter screen in the existing market, but these devices can only remove dust through the mechanical brush, and the means of removing dust is more single, and the fan of fresh air system can stop work when clean, and under the condition that lacks the wind-force cooperation, clean effect is relatively poor. In addition, dust collected by sweeping can form flying dust in the air duct and is difficult to be completely collected, and the dust which is not collected can enter the room when the fresh air system runs, so that indoor air is polluted.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides an air duct filter screen cleaning device and a fresh air system, which can replace manual work to automatically clean an air duct filter screen, have good cleaning effect and cannot pollute indoor air.
The utility model provides an air duct filter screen cleaning device which is arranged at the periphery of a filter screen in an air duct and comprises a spray gun bracket, a spray gun, a dust collecting groove, an exhaust channel and a baffle plate;
the spray gun support is arranged at the periphery of the back of the filter screen, and the spray gun is movably arranged on the spray gun support;
the dust collecting groove is positioned below the air duct, and an opening communicated with the dust collecting groove is formed in the bottom wall of the air duct;
the baffle is rotationally arranged on the periphery of the front surface of the filter screen, and the opening is positioned between the baffle and the filter screen;
the exhaust passage is arranged on the side surface of the dust collecting groove;
the spray gun is provided with a flat nozzle for spraying a gas under varying pressure against the screen.
Preferably, the lance holder comprises a rotation mechanism;
the spray gun bracket is arranged on the side wall of the air duct through a rotating mechanism;
in a cleaning state, the spray gun bracket rotates to be opposite to the back of the filter screen;
under the non-clean state, the spray gun support is close to the side wall of the air duct.
Preferably, the lance holder comprises a translation mechanism;
the spray gun is arranged on the spray gun bracket through a translation mechanism, and the translation mechanism is used for driving the spray gun to translate along the transverse direction along the back of the filter screen;
the flat nozzle extends vertically.
Preferably, the air duct is provided with a clean air supply branch;
the air inlet of the cleaning air supply branch is arranged on the side wall of the air channel, and the air outlet of the cleaning air supply branch is connected with the spray gun.
Preferably, the air outlet of the cleaning air supply branch is connected with the spray gun through a flexible pipeline.
Preferably, the clean air supply branch is provided with a pressure regulating valve.
Preferably, the baffle body is rotatably mounted on the bottom wall of the air duct;
when the dust collecting groove is not cleaned, the baffle plate body is laid on the opening of the dust collecting groove;
when the dust collector is in a cleaning state, the baffle body vertically cuts off the air duct and opens the dust collecting groove;
the side surface of the baffle is provided with a side baffle;
when the air purifier is in a non-cleaning state, the side baffle plate is covered on the air inlet of the cleaning air supply branch;
when the cleaning state is carried out, the side baffle rotates along with the baffle and opens the air inlet of the cleaning air supply branch.
Preferably, the spray gun support is further provided with a hairbrush, and the hairbrush transversely moves in a translation mode along the back face of the filter screen through a translation mechanism.
Preferably, the baffle is an electrostatic precipitator plate.
The utility model also provides a fresh air system which comprises the air duct filter screen cleaning device recorded in any technical scheme.
The utility model has the beneficial effects that: the spray gun removes dust from the filter screen through airflow with pressure change, and then removes dust through the brush, so that the cleaning effect of the air duct filter screen cleaning device is very good, meanwhile, dust can be synchronously collected by the dust collecting groove, and raised dust is blown out of a room, so that indoor air is prevented from being polluted; in addition, the air duct filter screen cleaning device utilizes a fan carried by a fresh air system to supply air to the spray gun, and air supply equipment does not need to be additionally configured.
Drawings
The utility model is described in detail below with reference to examples and figures, in which:
fig. 1 is a perspective view of the air duct screen cleaning device of the present invention.
Fig. 2 is a longitudinal cross-sectional view of the air duct screen cleaning apparatus of the present invention.
Fig. 3 is a transverse cross-sectional view of the air duct screen cleaning apparatus of the present invention.
FIG. 4 is a schematic view of the assembly of the spray gun holder and the spray gun.
Fig. 5 is a schematic view of the structure of the baffle.
Description of the reference numerals:
1-air duct, 2-filter screen, 3-spray gun bracket, 31-rotating mechanism, 32-driving motor, 33-lead screw, 34-sleeve, 4-spray gun, 41-spray nozzle, 5-dust collecting groove, 6-exhaust channel, 7-baffle, 71-side baffle, 8-clean air supply branch, 81-air inlet, 82-exhaust port and 83-canvas hose.
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 utility model and are not intended to limit the utility model.
Thus, a feature indicated in this specification will serve to explain one of the features of one embodiment of the utility model, and does not imply that every embodiment of the utility model must have the stated feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.
The principles of the present invention will be described in detail below with reference to the accompanying drawings and embodiments.
The utility model provides an air duct filter screen cleaning device which is arranged at the periphery of a filter screen 2 in an air duct 1 and comprises a spray gun bracket 3, a spray gun 4, a dust collecting groove 5, an exhaust channel 6 and a baffle 7;
the spray gun support 3 is arranged at the periphery of the back of the filter screen 2, and the spray gun 4 is movably arranged on the spray gun support 3;
the dust collecting groove 5 is positioned below the air duct 1, and an opening communicated with the dust collecting groove 5 is formed in the bottom wall of the air duct 1;
the baffle 7 is rotatably arranged on the periphery of the front surface of the filter screen 2, and the opening is positioned between the baffle 7 and the filter screen 2;
the exhaust passage 6 is arranged on the side surface of the dust collecting groove 5;
the lance 4 is provided with a flat nozzle 41 for injecting gas of varying pressure against the screen 2.
When the fresh air handling unit is in a non-cleaning state, the baffle 7 is in a lying posture and shields the opening of the dust collecting groove 5, at the moment, the fresh air handling unit can work normally, and air flow normally passes through the filter screen 2 and flows along the air duct 1.
When the filter screen is in a cleaning state, the baffle 7 is changed from a lying posture to an upright posture, and the windward side of the filter screen 2 is blocked by the air duct 1. The spray gun 4 sprays airflow to clean the filter screen 2, then the airflow is blocked by the baffle 7 and is discharged to the outside through the dust collecting groove 5 and the exhaust channel 6, and dust which is not collected by the dust collecting groove 5 can be discharged to the outside along with the airflow from the exhaust channel 6 and cannot be discharged into the room when the fresh air system works normally.
The pressure of the air flow sprayed by the spray gun 4 is constantly changed, so that the dust is easier to separate from the filter screen 2. The spray gun 4 is duckbilled, and the contact surface of spun air current and filter screen 2 is the strip, progressively washs positive filter screen 2 along with the removal of spray gun 4. The action surface of the airflow on the filter screen 2 is small, so that the pressure requirement of airflow cleaning is reduced, and the cleaning effect is not influenced by the fact that the airflow impacts the baffle 7 to generate strong backflow after passing through the filter screen 2.
In this embodiment, the lance holder 3 includes a rotation mechanism 31 and a translation mechanism.
In a non-cleaning state, the spray gun bracket 3 is close to the side wall of the air duct 1 so as to reduce the pressure loss of the air duct 1; when the spray gun support 3 is in a cleaning state, the spray gun support is rotated to be opposite to the back surface of the filter screen 2 through the rotating mechanism 31, and cleaning operation is started.
The spray gun 4 is arranged on the spray gun bracket 3 through a translation mechanism, and the translation mechanism is used for driving the spray gun 4 to transversely translate along the back of the filter screen 2. The translation mechanism comprises a driving motor 32, a lead screw 33 and a sleeve 34 matched with the lead screw 33, the sleeve 34 is installed on the nozzle 41, and an internal thread matched with the lead screw 33 is arranged on the inner wall of the sleeve 34. The driving motor 32 is used for driving the lead screw 33 to rotate, and the nozzle 41 can translate left and right on the back surface of the filter screen 2 along with the rotation of the lead screw 33.
In this embodiment, the nozzle 41 may be supplied with air by a blower provided in the fresh air system. Since the baffle 7 blocks the air duct 1, the present embodiment provides a clean air supply branch 8 at the side of the air duct 1. The fan of new trend system is located the windward side of filter screen 2, and the air inlet 81 of clean air feed branch 8 sets up on the lateral wall in wind channel 1 to the air intake is more close to the fan when comparing baffle 7 upright. The exhaust port 82 of the cleaning air supply branch 8 is connected to the spray gun 4 via a canvas hose 83.
In the cleaning state, the air flow from the fan enters the cleaning air supply branch 8 through the air inlet 81, then passes through the canvas hose 83, and finally is ejected from the spray gun 4. When the spray gun support 3 is in a non-cleaning state, the spray gun support rotates to one side of the exhaust port 82 of the cleaning air supply branch 8, and meanwhile, the canvas hose 83 is folded, so that the occupied space is reduced.
The cleaning air supply branch 8 is provided with a pressure regulating valve for changing the pressure of the air injection according to setting.
In the embodiment, the baffle 7 body is rotatably mounted on the bottom wall of the air duct 1;
when the dust collecting groove is not cleaned, the baffle 7 body is laid on the opening of the dust collecting groove 5;
when in a cleaning state, the baffle 7 body vertically cuts off the air duct 1 and opens the dust collecting groove 5;
the side surface of the baffle 7 is provided with a side baffle 71;
when the cleaning machine is in a non-cleaning state, the side baffle 71 covers the air inlet 81 of the cleaning air supply branch 8;
in the cleaning state, the side baffle 71 rotates with the baffle 7 and opens the air inlet 81 of the cleaning air supply branch 8.
The present embodiment can solve the problems of blocking the air duct, controlling the opening and closing of the dust collecting groove 5, and controlling the opening and closing of the air inlet 81 of the clean air supply branch 8 at the same time by the baffle 7 with the side baffle 71.
In order to further improve the cleaning effect, the brush is further installed on the spray gun support 3 in the embodiment, and is used for matching with the spray gun 4 to clean the filter screen 2. The brush is arranged on the translation mechanism and moves synchronously with the spray gun 4.
In this embodiment, the baffle 7 is an electrostatic dust collection plate. When the baffle 7 is upright, the baffle 7 is electrified to start the electrostatic dust collection function, most of the raised dust brought up by the spray gun 4 can be discharged from the exhaust passage 6, and the raised dust which is not discharged can be adsorbed on the baffle 7. After cleaning, the baffle 7 is laid flat and covered at the opening of the dust collecting groove 5, and dust can fall into the dust collecting groove 5 after the baffle 7 is powered off. By means of this embodiment, the possibility of dust generated by cleaning entering the room is further avoided.
The utility model further provides a fresh air system which comprises the air duct filter screen cleaning device in any one of the embodiments.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (10)
1. An air duct filter screen cleaning device is arranged at the periphery of a filter screen in an air duct and is characterized by comprising a spray gun bracket, a spray gun, a dust collecting groove, an exhaust channel and a baffle plate;
the spray gun support is arranged on the periphery of the back surface of the filter screen, and the spray gun is movably arranged on the spray gun support;
the dust collecting groove is positioned below the air duct, and an opening communicated with the dust collecting groove is formed in the bottom wall of the air duct;
the baffle is rotatably arranged on the periphery of the front surface of the filter screen, and the opening is positioned between the baffle and the filter screen;
the exhaust channel is arranged on the side surface of the dust collecting groove;
the spray gun is provided with a flat nozzle for spraying gas with pressure change to the filter screen.
2. The air duct screen cleaning apparatus of claim 1, wherein the lance holder includes a rotation mechanism;
the spray gun bracket is arranged on the side wall of the air duct through the rotating mechanism;
in a cleaning state, the spray gun bracket rotates to be opposite to the back of the filter screen;
under the non-cleaning state, the spray gun support is close to the side wall of the air duct.
3. The air duct screen cleaning apparatus of claim 2, wherein the lance support includes a translation mechanism;
the spray gun is mounted on the spray gun bracket through the translation mechanism, and the translation mechanism is used for driving the spray gun to translate along the transverse direction along the back surface of the filter screen;
the flat nozzle extends vertically.
4. An air duct filter screen cleaning device according to claim 3, wherein the air duct is provided with a cleaning air supply branch;
the air inlet of the clean air supply branch is arranged on the side wall of the air channel, and the air outlet of the clean air supply branch is connected with the spray gun.
5. The air duct screen cleaning apparatus of claim 4, wherein the exhaust port of the clean air supply branch is connected to the spray gun by a flexible conduit.
6. An air duct screen cleaning apparatus as claimed in claim 4, wherein the cleaning air supply branch is provided with a pressure regulating valve.
7. The air duct screen cleaning apparatus of claim 4, wherein the baffle body is rotatably mounted to the bottom wall of the air duct;
when the dust collecting groove is not in a cleaning state, the baffle plate body is laid on the opening of the dust collecting groove;
when the dust collector is in a cleaning state, the baffle plate body vertically cuts off the air duct and opens the dust collecting groove;
the side surface of the baffle is provided with a side baffle;
when the air supply device is in a non-cleaning state, the side baffle plate is covered on the air inlet of the cleaning air supply branch;
and when the cleaning state is realized, the side baffle rotates along with the baffle and opens the air inlet of the cleaning air supply branch.
8. The air duct screen cleaning apparatus of claim 3, wherein the lance holder further mounts a brush, the brush being moved by the translation mechanism in a lateral translation along the back of the screen.
9. The air duct screen cleaning apparatus of claim 1, wherein the baffle is an electrostatic precipitator plate.
10. A ventilation system comprising the air duct screen cleaning device of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123347274.2U CN216897714U (en) | 2021-12-28 | 2021-12-28 | Air duct filter screen cleaning device and fresh air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123347274.2U CN216897714U (en) | 2021-12-28 | 2021-12-28 | Air duct filter screen cleaning device and fresh air system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216897714U true CN216897714U (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123347274.2U Active CN216897714U (en) | 2021-12-28 | 2021-12-28 | Air duct filter screen cleaning device and fresh air system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216897714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264600A (en) * | 2022-08-09 | 2022-11-01 | 珠海格力电器股份有限公司 | Air duct cleaning assembly, air conditioner and air duct cleaning method of air conditioner |
-
2021
- 2021-12-28 CN CN202123347274.2U patent/CN216897714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264600A (en) * | 2022-08-09 | 2022-11-01 | 珠海格力电器股份有限公司 | Air duct cleaning assembly, air conditioner and air duct cleaning method of air conditioner |
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