Closed-loop control glass cleaning method

Abstract

The invention discloses a closed-loop control glass cleaning method, which relates to the field of glass cleaning process, and adopts a glass cleaning device which comprises a transmission system, a scrubbing system, a waterway system, a drying system, a detection system and a control system, comprising the following steps that when conveyed along a conveying system, a glass substrate is sequentially cleaned at a cleaning station and dried at a drying station and then reaches a detection station; the detection system performs cleanliness detection and dryness detection on the glass substrate at the detection station, and sends a detection result to the control system; and the control system compares the detection result with a set cleanliness standard and a set dryness standard, and adjusts the process parameters of the scrubbing system, the waterway system and the drying system in real time according to the comparison result. The method has the advantage that the energy consumption in the glass cleaning process is reduced.

Description

Technical Field

[0001] The invention relates to the field of glass cleaning technology, and in particular to a closed-loop controlled glass cleaning method. Background Art

[0002] With the rapid development of the glass industry, the demand for glass cleaning is also increasing. Before the glass cleaning device is used in various process equipment of the deep processing production line, it ensures that the glass substrate entering the process equipment is in a clean state to meet the process requirements. Since the cleaning device is used in large quantities and has a large installed power, mainly reflected in the motor power, heating power and fan power, it consumes a lot of energy, which poses a great challenge to energy saving and consumption reduction.

[0003] The patent document with the announcement number CN216655694U discloses a fully automatic cleaning machine for liquid crystal glass substrates, including a roller conveyor and a cleaning rack, on which a spray pipe and a hot air pipe are provided, which can spray and dry the glass substrates. The existing cleaning device adopts an open-loop control method, which is produced with a fixed motor power, a fixed fan power, and a fixed heating power, which will cause excessive waste of energy, which is specifically reflected in the two aspects of excessive cleaning and excessive drying of the cleaning device. In addition, the cleaning device is also affected by seasonal temperature, which is also a variable factor. The open-loop control method cannot achieve accurate parameter setting, which greatly increases energy consumption. Summary of the invention

[0004] The technical problem to be solved by the present invention is how to reduce the energy consumption in the glass cleaning process.

[0005] The present invention solves the above technical problems through the following technical means: a closed-loop controlled glass cleaning method, the glass cleaning device used includes a transmission system, a scrubbing system, a water system, a drying system, a detection system and a control system, the transmission system is provided with a cleaning station, a drying station and a detection station in sequence along the transmission direction, the cleaning station is provided with a scrubbing system and a water system, the drying station is provided with a drying system, the detection station is provided with a detection system, the transmission system, the scrubbing system, the water system, the drying system and the detection system are all connected to the control system;

[0006] The method comprises the following steps: when the glass substrate is transported along the transport system, it is sequentially cleaned at the cleaning station and dried at the drying station before arriving at the inspection station; the inspection system performs cleanliness inspection and dryness inspection on the glass substrate at the inspection station, and sends the inspection results to the control system; the control system compares the inspection results with the set cleanliness standard and dryness standard, and adjusts the process parameters of the scrubbing system, the water system and the drying system in real time according to the comparison results.

[0007] As an optimized technical solution, the brushing system includes a brush motor and a brush roller. A plurality of mutually parallel brush rollers are arranged in a row at intervals along the transmission direction of the transmission system and are rotatably connected to the transmission system, and each brush roller is driven by a brush motor; when the cleanliness detected by the detection system is higher than the set cleanliness standard, the control system reduces the rotation speed of each brush motor or reduces the number of working brush motors; when the cleanliness detected by the detection system is lower than the set cleanliness standard, the control system increases the rotation speed of each brush motor or increases the number of working brush motors.

[0008] As an optimized technical solution, the scrubbing system further includes a bearing seat, in which both ends of each brush roller are respectively mounted, and the bearing seat is mounted on the transmission system.

[0009] As an optimized technical solution, the water system includes a water supply mechanism, a water heating mechanism and a spray pipe connected in sequence; when the cleanliness detected by the detection system is higher than the set cleanliness standard, the control system reduces the heating power of the water heating mechanism; when the cleanliness detected by the detection system is lower than the set cleanliness standard, the control system increases the heating power of the water heating mechanism.

[0010] As an optimized technical solution, the water supply mechanism includes a water tank, a water supply pipe and a water pump. The water tank is connected to the water heating mechanism through a water supply pipe, and the water supply pipe is connected to a water pump.

[0011] As an optimized technical solution, the drying system includes a fan, a wind heating mechanism and an air knife connected in sequence; when the dryness detected by the detection system is higher than the set dryness standard, the control system reduces the motor frequency of the fan and the heating power of the wind heating mechanism; when the dryness detected by the detection system is lower than the set dryness standard, the control system increases the motor frequency of the fan and the heating power of the wind heating mechanism.

[0012] As an optimized technical solution, the detection system includes a mounting frame, a camera and a light source. The mounting frame is arranged above the transmission system, and the light source and multiple cameras are installed on the mounting frame.

[0013] As an optimized technical solution, the transmission system includes a frame, transmission rollers and a transmission motor. A plurality of mutually parallel transmission rollers are arranged in a row at intervals along the length direction of the frame and are rotatably connected to the frame respectively. The transmission motor is used to drive each transmission roller to rotate.

[0014] As an optimized technical solution, the transmission system also includes a gear assembly, and the output shaft of the transmission motor is connected to the transmission rollers located at the end of a row, and each transmission roller is driven by the gear assembly.

[0015] As an optimized technical solution, the transmission system further includes bearings, and both ends of each transmission roller are rotatably connected to the frame via bearings.

[0016] The advantages of the present invention are that the device uses a detection device to provide real-time feedback on the cleanliness and dryness of the glass substrate after cleaning and drying and dynamically adjusts the control process parameters to achieve closed-loop control, reduce energy consumption during the glass cleaning process, and balance the changes in the glass cleaning device affected by seasonal temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of a glass cleaning device according to an embodiment of the present invention.

[0018] Figure 2 4 is a flow chart of a closed-loop controlled glass cleaning method according to an embodiment of the present invention. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described in combination with the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the present invention.

[0020] like Figure 1 As shown, an embodiment of the present invention discloses a closed-loop controlled glass cleaning method, wherein the adopted glass cleaning device includes a transmission system 1, a scrubbing system 2, a water system 3, a drying system 4, a detection system 5 and a control system (not shown).

[0021] The transmission system 1 is provided with a cleaning station, a drying station and a detection station in sequence along the transmission direction, the cleaning station is provided with a scrubbing system 2 and a water system 3, the drying station is provided with a drying system 4, the detection station is provided with a detection system 5, and the transmission system 1, the scrubbing system 2, the water system 3, the drying system 4 and the detection system 5 are all connected to the control system;

[0022] The transmission system 1 is used to transmit the glass substrate 6, and the transmission system 1 includes a frame, a transmission roller, a transmission motor, a gear assembly and a bearing; a plurality of transmission rollers parallel to each other are arranged in a row along the length direction of the frame and are rotatably connected to the frame through bearings, and the transmission motor is used to drive each transmission roller to rotate; the output shaft of the transmission motor is connected to the transmission rollers at the end of a row, and each transmission roller is driven by the gear assembly.

[0023] The scrubbing system 2 is used for scrubbing the glass substrate 6, and the scrubbing system 2 includes a brush motor, a brush roller and a bearing seat; a plurality of mutually parallel brush rollers are arranged in a row at intervals along the transmission direction of the transmission system 1 and are rotatably connected to the transmission system 1, and each brush roller is driven by a brush motor, and the glass substrate 6 located at the cleaning station can be scrubbed by the rotation of the brush roller; both ends of each brush roller are respectively installed in the bearing seat, and the bearing seat is fixedly connected to the frame of the transmission system.

[0024] The water system 3 is used for spraying the glass substrate 6, and the water system 3 includes a water supply mechanism, a water heating mechanism and a spray pipe which are connected in sequence; the water supply mechanism is used for supplying glass cleaning water, the water heating mechanism is used for heating the glass cleaning water, and the spray pipe is used for spraying the heated glass cleaning water onto the glass substrate 6 located at the cleaning station; the water supply mechanism includes a water tank, a water supply pipe and a water pump, the water tank is connected to the water heating mechanism through a water supply pipe, and the water supply pipe is connected to a water pump.

[0025] The drying system 4 is used to air-dry the glass substrate 6. The drying system 4 includes a fan, a wind heating mechanism and a wind knife connected in sequence; the fan is used to supply air, the wind heating mechanism is used to heat the air supplied by the fan, and the wind knife is used to blow the heated air onto the glass substrate 6 located at the drying station.

[0026] The detection system 5 includes a mounting frame, a camera and a light source. The mounting frame is arranged above the transmission system 1, and the light source and a plurality of cameras are installed on the mounting frame.

[0027] like Figure 2 As shown, the following steps are included: when the glass substrate 6 is transported along the transport system 1, it is sequentially cleaned at the cleaning station and dried at the drying station before arriving at the inspection station; the inspection system 5 performs cleanliness inspection and dryness inspection on the glass substrate 6 at the inspection station, and sends the inspection results to the control system; the control system compares the inspection results with the set cleanliness standard and dryness standard, and adjusts the process parameters of the scrubbing system, the water system and the drying system in real time according to the comparison results. The specific adjustment method is as follows:

[0028] When the cleanliness detected by the detection system 5 is higher than the set cleanliness standard, the control system reduces the rotation speed of each brush motor or reduces the number of working brush motors; when the cleanliness detected by the detection system 5 is lower than the set cleanliness standard, the control system increases the rotation speed of each brush motor or increases the number of working brush motors.

[0029] When the cleanliness detected by the detection system 5 is higher than the set cleanliness standard, the control system reduces the heating power of the water heating mechanism; when the cleanliness detected by the detection system 5 is lower than the set cleanliness standard, the control system increases the heating power of the water heating mechanism.

[0030] When the dryness detected by the detection system 5 is higher than the set dryness standard, the control system reduces the motor frequency of the fan and the heating power of the wind heating mechanism; when the dryness detected by the detection system 5 is lower than the set dryness standard, the control system increases the motor frequency of the fan and the heating power of the wind heating mechanism.

[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, it should be understood by those skilled in the art that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A closed-loop controlled glass cleaning method, characterized in that: The adopted glass cleaning device comprises a transmission system, a scrubbing system, a water system, a drying system, a detection system and a control system. The transmission system is provided with a cleaning station, a drying station and a detection station in sequence along the transmission direction. The cleaning station is provided with a scrubbing system and a water system, the drying station is provided with a drying system, the detection station is provided with a detection system, and the transmission system, the scrubbing system, the water system, the drying system and the detection system are all connected to the control system; The method comprises the following steps: when the glass substrate is transported along the transport system, it is sequentially cleaned at the cleaning station and dried at the drying station before arriving at the inspection station; the inspection system performs cleanliness inspection and dryness inspection on the glass substrate at the inspection station, and sends the inspection results to the control system; the control system compares the inspection results with the set cleanliness standard and dryness standard, and adjusts the process parameters of the scrubbing system, the water system and the drying system in real time according to the comparison results.

2. The closed-loop controlled glass cleaning method according to claim 1, characterized in that: The brushing system includes a brush motor and a brush roller. A plurality of mutually parallel brush rollers are arranged in a row at intervals along the transmission direction of the transmission system and are rotatably connected to the transmission system respectively. Each brush roller is driven by a brush motor respectively. When the cleanliness detected by the detection system is higher than the set cleanliness standard, the control system reduces the rotation speed of each brush motor or reduces the number of working brush motors. When the cleanliness detected by the detection system is lower than the set cleanliness standard, the control system increases the rotation speed of each brush motor or increases the number of working brush motors.

3. The closed-loop controlled glass cleaning method according to claim 2, characterized in that: The scrubbing system further comprises a bearing seat, in which two ends of each brush roller are respectively mounted, and the bearing seat is mounted on the transmission system.

4. The closed-loop controlled glass cleaning method according to claim 1, characterized in that: The water system includes a water supply mechanism, a water heating mechanism and a spray pipe connected in sequence; when the cleanliness detected by the detection system is higher than the set cleanliness standard, the control system reduces the heating power of the water heating mechanism; when the cleanliness detected by the detection system is lower than the set cleanliness standard, the control system increases the heating power of the water heating mechanism.

5. The closed-loop controlled glass cleaning method according to claim 4, characterized in that: The water supply mechanism comprises a water tank, a water supply pipe and a water pump. The water tank is connected to the water heating mechanism through the water supply pipe, and the water supply pipe is connected to the water pump.

6. The closed-loop controlled glass cleaning method according to claim 1, characterized in that: The drying system includes a fan, a wind heating mechanism and an air knife connected in sequence; when the dryness detected by the detection system is higher than the set dryness standard, the control system reduces the motor frequency of the fan and the heating power of the wind heating mechanism; when the dryness detected by the detection system is lower than the set dryness standard, the control system increases the motor frequency of the fan and the heating power of the wind heating mechanism.

7. The closed-loop controlled glass cleaning method according to claim 1, characterized in that: The detection system comprises a mounting frame, a camera and a light source. The mounting frame is arranged above the transmission system, and the light source and a plurality of cameras are mounted on the mounting frame.

8. The closed-loop controlled glass cleaning method according to claim 1, characterized in that: The transmission system includes a frame, transmission rollers and a transmission motor. A plurality of transmission rollers parallel to each other are arranged in a row along the length direction of the frame and are rotatably connected to the frame respectively. The transmission motor is used to drive the transmission rollers to rotate.

9. The closed-loop controlled glass cleaning method according to claim 8, characterized in that: The transmission system also includes a gear assembly. The output shaft of the transmission motor is connected to the transmission rollers located at the end of a row, and each transmission roller is driven by the gear assembly.

10. The closed-loop controlled glass cleaning method according to claim 8, characterized in that: The transmission system also includes bearings, and both ends of each transmission roller are rotatably connected to the frame through the bearings.

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