CN212618899U - Full-automatic filter belt cleaning device - Google Patents
Full-automatic filter belt cleaning device Download PDFInfo
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- CN212618899U CN212618899U CN202020731779.5U CN202020731779U CN212618899U CN 212618899 U CN212618899 U CN 212618899U CN 202020731779 U CN202020731779 U CN 202020731779U CN 212618899 U CN212618899 U CN 212618899U
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Abstract
The utility model relates to a full-automatic filter belt cleaning device, including air conditioner case, air conditioner case includes fan coil, fan coil connects respectively and is equipped with the delivery pipe, wet return and comdenstion water delivery pipe, still include automatic control, automatic control is connected with pressure sensor one respectively, pressure sensor two, the water supply solenoid valve, the return water solenoid valve, blowdown solenoid valve and anti-backflow solenoid valve, pressure sensor one sets gradually on the delivery pipe with the water supply solenoid valve, pressure sensor two sets gradually on the wet return with the return water solenoid valve, anti-backflow solenoid valve sets up on comdenstion water delivery pipe, it is equipped with the filter still to connect on the delivery pipe, the filter is close to fan coil setting, it is equipped with the blow off pipe to connect between delivery pipe between filter and the water supply solenoid valve and the comdenstion water delivery. Compared with the prior art, the utility model the advantage lies in: rational in infrastructure, automatic clearance improves user's comfort level.
Description
Technical Field
The utility model relates to a central air conditioning washs technical field, in particular to full-automatic filter belt cleaning device.
Background
The central air-conditioning coil radiator is composed of radiating fins, copper pipes, a fan and the like. The medium in the copper pipe is water containing impurities and dirt and oxides attached to the wall of the water supply and return pipe. The filter is a filtering device which is installed for preventing impurities, dirt and oxides from entering the radiator to influence the heat dissipation effect. The dense filter meshes in the filter can effectively ensure that the impurity, dirt and oxide do not enter the coil pipe. The filter needs to be cleaned frequently to ensure the cooling or heating effect of the air conditioner.
Cleaning an original central air conditioner Y-shaped filter: because fan coil installs in the furred ceiling more. 1. At least two persons are needed to cooperate; 2. when the filter is disassembled, sewage is easy to flow out to the suspended ceiling and the ground; 3. filter clogging leads to insufficient cooling/heating; 4. the absence of a cleaning filter results in affecting the user's office or business, etc.
SUMMERY OF THE UTILITY MODEL
Not enough to the above among the prior art, the utility model provides a full-automatic filter belt cleaning device, its is rational in infrastructure, and automatic clearance improves user's comfort level.
In order to achieve the above object, the utility model adopts the following technical scheme: a full-automatic filter cleaning device comprises an air conditioner case, wherein the air conditioner case comprises a fan coil, the fan coil is respectively connected with a water supply pipe, a water return pipe and a condensate discharge pipe, the full-automatic filter cleaning device also comprises an automatic controller, the automatic controller is respectively connected with a first pressure sensor, a second pressure sensor, a water supply electromagnetic valve, a water return electromagnetic valve, a sewage discharge electromagnetic valve and a backflow prevention electromagnetic valve, the first pressure sensor and the water supply electromagnetic valve are sequentially arranged on the water supply pipe along the water supply direction of the water supply pipe, the second pressure sensor and the water return electromagnetic valve are sequentially arranged on the water return pipe along the water return direction of the water return pipe, the backflow prevention electromagnetic valve is arranged on the condensate discharge pipe, the water supply pipe is also connected with a filter, the filter is arranged close to the fan coil, a sewage, the blow-down electromagnetic valve is arranged on the blow-down pipe, and the backflow prevention electromagnetic valve is arranged close to the fan coil.
As an improvement: the filter is a Y-shaped filter.
As an improvement: the automatic controller is a 200PLC programmable controller.
As an improvement: the end of the condensed water discharge pipe 4 is connected with a water discharge header pipe 14.
Compared with the prior art, the utility model the advantage lies in: the full-automatic cleaning device does not need to disassemble the filter, and because the sewage is directly discharged to the main drainage pipe, the sewage is not generated to flow out to the suspended ceiling and the ground, so that a large amount of labor cost can be saved; whether cleaning is needed or not can be judged through the pressure sensors of the water supply pipe and the water return pipe, so that the comfort level of a user is improved; the system does not have any influence on business places, office places and public places.
Drawings
FIG. 1 is a schematic view of the connection of a fully automatic filter cleaning device according to the present invention;
reference symbol comparison table:
1-fan coil, 2-water supply pipe, 3-water return pipe, 4-condensate water discharge pipe, 5-automatic controller, 6-pressure sensor I, 7-pressure sensor II, 8-water supply electromagnetic valve, 9-water return electromagnetic valve, 10-sewage discharge electromagnetic valve, 11-backflow prevention electromagnetic valve, 12-filter, 13-sewage discharge pipe and 14-main drain pipe.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
As shown in figure 1, the full-automatic filter cleaning device comprises an air conditioner case, the air conditioner case comprises a fan coil 1, the fan coil 1 is respectively connected with a water supply pipe 2, a water return pipe 3 and a condensate discharge pipe 4, the full-automatic filter cleaning device further comprises an automatic controller 5, the automatic controller 5 is respectively connected with a pressure sensor I6, a pressure sensor II 7, a water supply electromagnetic valve 8, a water return electromagnetic valve 9, a sewage discharge electromagnetic valve 10 and a backflow prevention electromagnetic valve 11, the pressure sensor I6 and the water supply electromagnetic valve 8 are sequentially arranged on the water supply pipe 2 along the water supply direction of the water supply pipe 2, the pressure sensor II 7 and the water return electromagnetic valve 9 are sequentially arranged on the water return pipe 3 along the water return direction of the water return pipe 3, the backflow prevention electromagnetic valve 11 is arranged on the condensate discharge pipe 4, the water supply pipe 2 is also connected with a, a drain pipe 13 is connected between the water supply pipe 2 and the condensed water discharge pipe 4 between the filter 12 and the water supply solenoid valve 8, the drain solenoid valve 10 is arranged on the drain pipe 13, and the backflow prevention solenoid valve 11 is arranged close to the fan coil 1.
The filter 12 is a Y-shaped filter.
The automatic controller 5 is a 200PLC programmable controller.
The end of the condensed water discharge pipe 4 is connected with a water discharge header pipe 14.
The water return electromagnetic valve is used for switching on and off the water return pipe; the water supply solenoid valve is used for switching on and off the water supply pipe. The backflow prevention electromagnetic valve is used for preventing excessive water pressure from flowing back into a fan coil/water collecting disc of an air conditioner case when the filter is cleaned; the blowdown electromagnetic valve is used for opening the valve to ensure smooth blowdown when blowdown is carried out, and is closed to prevent the supply and return water from losing when the equipment runs normally; the Y-shaped filter is used for filtering impurities in the supply water and the return water to ensure the heat dissipation effect of the coil pipe; an automatic controller: according to the differential pressure difference (differential pressure is set to be 0.08MPA) of the pressure sensor of the water supply and return pipeline or the switch of the timing control electromagnetic valve
The working principle is as follows: the pressure difference of the water supply and the water return is 0.05MPA when the central air conditioner is in a normal operation state. The pressure difference control device for supplying and returning water is utilized to work. When the pressure difference is larger than 0.08MPA, the situation that garbage is generated in the filter and normal operation of the air conditioner is influenced is shown, the pressure difference is set to be larger than 0.08MPA, the cleaning device starts to work, the inlet wire power supply of the automatic controller is alternating current 220V, and electromagnetic valves and sensors are supplied with direct current 24V after voltage transformation.
The utility model discloses when concrete implementation, obtain pressure sensor 6 and two 7 signals of pressure sensor when supplying the return water pressure differential to be greater than 0.08MPA, automatic control 5 sends out the instruction: closing the water supply electromagnetic valve 8 and the backflow prevention electromagnetic valve 11, opening the sewage discharge electromagnetic valve 10 after two seconds, flushing impurities in the filter 12 out by using the water pressure of the water return pipe 3, and flowing into the drainage main pipe 14 through the condensate water discharge pipe 4 (the flushing time can be set to be 2-3 minutes generally); closing the water return electromagnetic valve 9, opening the water supply electromagnetic valve 8 after two seconds, flushing impurities in the three-way pipeline from the water supply electromagnetic valve 8 to the sewage discharge pipe 12 out by using water supply pressure, and flowing into the drainage main pipe 14 through the condensed water discharge pipe 4 (the flushing time is 1 minute); repeating the above actions to flush out residual impurities in the pipeline; and closing the sewage discharge electromagnetic valve 10 and the backflow prevention electromagnetic valve 11, opening the water return electromagnetic valve 9, and recovering the normal running state of the air conditioning system. The whole washing process takes 6-8 minutes.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The utility model provides a full-automatic filter belt cleaning device, includes air conditioner case, air conditioner case includes fan coil (1), fan coil (1) is connected respectively and is equipped with delivery pipe (2), wet return (3) and comdenstion water delivery pipe (4), its characterized in that: the automatic control device is characterized by further comprising an automatic controller (5), wherein the automatic controller (5) is respectively connected with a pressure sensor I (6), a pressure sensor II (7), a water supply electromagnetic valve (8), a water return electromagnetic valve (9), a sewage discharge electromagnetic valve (10) and a backflow prevention electromagnetic valve (11), the pressure sensor I (6) and the water supply electromagnetic valve (8) are sequentially arranged on the water supply pipe (2) along the water supply direction of the water supply pipe (2), the pressure sensor II (7) and the water return electromagnetic valve (9) are sequentially arranged on the water return pipe (3) along the water return direction of the water return pipe (3), the backflow prevention electromagnetic valve (11) is arranged on the condensate water discharge pipe (4), the water supply pipe (2) is further connected with a filter (12), the filter (12) is arranged close to the fan coil pipe (1), a sewage discharge pipe (13) is connected between the water supply pipe (12) and the water supply electromagnetic valve (8) and the condensate, the blow-down electromagnetic valve (10) is arranged on the blow-down pipe (13), and the backflow-preventing electromagnetic valve (11) is arranged close to the fan coil (1).
2. The fully automatic filter cleaning device according to claim 1, wherein: the filter (12) is a Y-shaped filter.
3. The fully automatic filter cleaning device according to claim 1, wherein: the automatic controller (5) is a 200PLC programmable controller.
4. The fully automatic filter cleaning device according to claim 1, wherein: the end part of the condensed water discharge pipe (4) is connected with a water discharge main pipe (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020731779.5U CN212618899U (en) | 2020-05-07 | 2020-05-07 | Full-automatic filter belt cleaning device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020731779.5U CN212618899U (en) | 2020-05-07 | 2020-05-07 | Full-automatic filter belt cleaning device |
Publications (1)
Publication Number | Publication Date |
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CN212618899U true CN212618899U (en) | 2021-02-26 |
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Family Applications (1)
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CN202020731779.5U Active CN212618899U (en) | 2020-05-07 | 2020-05-07 | Full-automatic filter belt cleaning device |
Country Status (1)
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CN (1) | CN212618899U (en) |
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2020
- 2020-05-07 CN CN202020731779.5U patent/CN212618899U/en active Active
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