An automatic backwashing system

Abstract

The utility model discloses an automatic backwashing system, including a control system and a backwashing device, wherein the control system controls the backwashing device to backwash a walkway; the control system includes an electric control cabinet and an immersion water level sensor, wherein the immersion water level sensor is used to sense the water level of a river channel and transmit the water level information to the electric control cabinet, and the backwashing device includes a spraying component, wherein the spraying component is connected to a drainage pump through a pipeline, and the spraying component is distributed on one side of the walkway; the backwashing system is connected to the drainage pump through a pipeline, and when the immersion water level sensor senses that waterlogging has occurred in the river channel, the drainage pump, while working, pumps part of the river water into the backwashing system to backwash the walkway. Through the above arrangement, the walkway is backwashed during waterlogging, so as to reduce resource waste and save costs.

Description

Technical Field

[0001] The utility model belongs to the technical field of control systems for automatic cleaning of walkways, and in particular relates to an automatic reverse cleaning system. Background Art

[0002] There are usually hydrophilic walkways on one or both sides of a river. When urban flooding occurs, the river water sometimes rises to the hydrophilic walkway, and some riverbed silt will also adhere to the surface of the hydrophilic walkway, affecting traffic and appearance. To address this problem, the existing technology usually uses manual or sweeper vehicles to clean the silt on the surface of the hydrophilic walkway, which often causes manpower consumption and increases costs. In the existing technology, there is no technology that uses the water resources in the environment to backwash the hydrophilic walkway, so there is still room for improvement. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide an automatic backwashing system that can utilize the water resources in the environment to backwash the hydrophilic trail, so as to rationally utilize natural resources, reduce resource waste and lower costs.

[0004] The purpose of the utility model is achieved through the following technical solutions:

[0005] An automatic backwashing system comprises a control system and a backwashing device, wherein the control system controls the backwashing device to backwash a walkway;

[0006] The control system includes an electric control cabinet and a immersion water level sensor, the immersion water level sensor is used to sense the water level of the river and transmit the water level information to the electric control cabinet, the backwashing device includes a spray washing part, the spray washing part is connected to the drainage pump through a pipeline, and the spray washing part is distributed on one side of the walkway;

[0007] The backwashing device is connected to the drainage pump through a pipeline. When the immersion water level sensor senses that the river channel is flooded, the drainage pump pumps part of the river water into the backwashing device to backwash the trail while working.

[0008] Furthermore, the electric control cabinet adopts a PLC device, and the PLC device is electrically connected to the backwashing device. When the drainage pump discharges part of the river water to the backwashing device through a pipeline for backwashing, the PLC device times the working time of the backwashing device for 30 minutes.

[0009] Furthermore, the spray cleaning part includes a plurality of spray cleaning devices connected in series through pipelines, and the plurality of spray cleaning devices are distributed at intervals along the walkway.

[0010] Furthermore, the control system also includes a photovoltaic charging circuit, which supplies power to the electric control cabinet.

[0011] Furthermore, the photovoltaic charging circuit includes a solar photovoltaic panel, a photovoltaic charging controller and a battery, the solar photovoltaic panel is electrically connected to the photovoltaic charging controller, the photovoltaic charging controller is electrically connected to the battery, and the battery is electrically connected to the charging interface of the electric control cabinet.

[0012] The utility model has the following beneficial effects:

[0013] The automatic backwashing system of the utility model is provided with a control system and a backwashing device. When the water level sensing end of the immersion water level sensor senses the water level rising, the control room staff observes that the water level rise causes waterlogging in the river channel, and then turns on the drainage pump to drain the water to prevent the waterlogging from getting worse. At the same time, the drainage pump also discharges part of the river water to the backwashing system through the pipeline to backwash the trail. The backwashing operation is mainly controlled by the PLC device for timing (limited to thirty minutes). Compared with the existing technology of using manual or sprinkler trucks to clean the hydrophilic trail, the utility model can use the river water in the river channel to backwash the hydrophilic trail, and can reasonably use natural resources, reduce resource waste and reduce costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a connection schematic diagram of the backwashing device and control system of the utility model.

[0015] Figure 2 It is the principle diagram of the control system of the utility model.

[0016] In the figure: 1. Drain pump; 2. Spraying parts; 21. Spraying device; 3. Submersible water level sensor; 4. Electric control cabinet; 5. Analog input module; 6. Solar photovoltaic panel; 61. Photovoltaic charging controller; 62. Battery. DETAILED DESCRIPTION

[0017] The following is a further detailed description of the present invention in conjunction with the accompanying drawings and specific embodiments. The terms such as "upper", "inner", "middle", "left", "right" and "one" used in this specification are only used to facilitate the description and are not used to limit the scope of the present invention. The changes or adjustments in their relative relationships shall also be regarded as the scope of the present invention without substantially changing the technical content.

[0018] An automatic backwash system, such as Figure 1 to Figure 2 As shown, when the drainage pump 1 is draining water, the walkway can be backwashed at the same time, so that the water of natural resources can be utilized, green environmental protection and cost reduction can be achieved. The backwashing system of the utility model includes a control system and a backwashing device, and the control system controls the backwashing device to backwash the walkway.

[0019] The control system includes an electric control cabinet 4 and a immersive water level sensor 3, wherein the electric control cabinet 4 adopts a PLC device, which is also called an editable controller. The immersive water level sensor 3 is used to sense the water level of the river and transmit the water level information to the electric control cabinet 4. The backwashing device includes a spraying component 2, which is connected to a drainage pump 1 through a pipe. The spraying component 2 is distributed on one side of the walkway, and the backwashing device is connected to the drainage pump 1 through a pipe. When the immersive water level sensor 3 senses that the river is flooded, the control room staff observes that the water level rises and causes flooding in the river, and then starts the drainage pump 1 for drainage to prevent the flooding from getting worse. At the same time, the drainage pump 1 pumps part of the river water into the backwashing device to backwash the walkway.

[0020] In this embodiment, the spraying part 2 includes a plurality of spraying devices 21 connected in series through pipes. The spraying device 21 can be a structure with a water spraying function such as a nozzle or a spraying equipment. At the same time, the spraying device 21 has a solenoid valve or an electric control valve, so the opening and closing of the spraying device 21 can be controlled by a circuit. A plurality of spraying devices 21 are distributed at intervals along the trail to achieve the effect of uniformly backwashing the trail.

[0021] In this embodiment, in order to control or limit the working time of the backwashing trail of the spray cleaning part 2. The PLC device is electrically connected to the backwashing device. When the drainage pump 1 discharges part of the river water to the backwashing device through the pipeline for backwashing, the PLC device counts the working time of the backwashing device for 30 minutes. When the timing is over for 30 minutes, the backwashing device is controlled to suspend the cleaning operation. This control method can be achieved by controlling the solenoid valve or the electric control valve of the backwashing device through the electric control cabinet 4. Among them, a drainage ditch is provided on one side of the trail, and the drainage ditch will discharge the cleaning water and the river garbage it carries back into the river.

[0022] In this embodiment, the electrical control cabinet 4 has an analog input module 5, and the immersion water level sensor 3 is electrically connected to the electrical control cabinet 4 through the analog input module 5. The analog input module 5 is used to convert the water level information transmitted by the immersion water level sensor 3 into a corresponding electrical signal and then transmit it to the electrical control cabinet 4.

[0023] The control system of the utility model also includes a photovoltaic charging circuit, which supplies power to the electric control cabinet 4. The photovoltaic charging circuit includes a solar photovoltaic panel 6, a photovoltaic charging controller 61, and two batteries 62 connected in series. The solar photovoltaic panel 6 is electrically connected to the photovoltaic charging controller 61, the photovoltaic charging controller 61 is electrically connected to the two batteries 62 connected in series, and the battery 62 is electrically connected to the charging interface of the electric control cabinet 4, thereby realizing the function of supplying power to the electric control cabinet 4.

[0024] In summary, the automatic backwashing system of the utility model is provided with a control system and a backwashing device. When the water level sensing end of the immersion water level sensor 3 senses the water level rising, the control room staff observes that the water level rise causes waterlogging in the river channel, and then turns on the drainage pump 1 to drain the water to prevent the waterlogging from getting worse. At the same time, the drainage pump 1 also discharges part of the river water to the spray washing part 2 through the pipeline to backwash the trail. The backwashing operation is mainly controlled by the PLC device for timing (the duration is limited to thirty minutes in this embodiment). Compared with the prior art method of using manual or sprinkler trucks to clean the hydrophilic trail, the utility model can use the river water in the river channel to backwash the hydrophilic trail, and can reasonably use natural resources, reduce resource waste and reduce costs.

[0025] The implementation methods of the utility model are not limited to this. According to the above content of the utility model, by using common technical knowledge and customary means in the field, without departing from the above basic technical ideas of the utility model, the utility model can also make other various forms of modification, replacement or combination, all of which fall within the scope of protection of the utility model.

Claims

1. An automatic backwashing system, characterized in that: It includes a control system and a backwashing device, wherein the control system controls the backwashing device to backwash the walkway; The control system includes an electric control cabinet and a immersion water level sensor, the immersion water level sensor is used to sense the water level of the river and transmit the water level information to the electric control cabinet, the backwashing device includes a spray washing part, the spray washing part is connected to the drainage pump through a pipeline, and the spray washing part is distributed on one side of the walkway; The backwashing device is connected to the drainage pump through a pipeline. When the immersion water level sensor senses that the river channel is flooded, the drainage pump pumps part of the river water into the backwashing device to backwash the trail while working.

2. The automatic backwashing system according to claim 1, characterized in that: The electric control cabinet adopts a PLC device, and the PLC device is electrically connected to the backwashing device. When the drainage pump discharges part of the river water to the backwashing device through a pipeline for backwashing, the PLC device times the working time of the backwashing device for 30 minutes.

3. The automatic backwashing system according to claim 1, characterized in that: The spray cleaning part comprises a plurality of spray cleaning devices connected in series through pipelines, and the plurality of spray cleaning devices are distributed at intervals along the walkway.

4. The automatic backwashing system according to claim 1, characterized in that: The control system further comprises a photovoltaic charging circuit, and the photovoltaic charging circuit supplies power to the electric control cabinet.

5. The automatic backwashing system according to claim 4, characterized in that: The photovoltaic charging circuit includes a solar photovoltaic panel, a photovoltaic charging controller and a battery. The solar photovoltaic panel is electrically connected to the photovoltaic charging controller, the photovoltaic charging controller is electrically connected to the battery, and the battery is electrically connected to the charging interface of the electric control cabinet.

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