CN116651702A - coating system - Google Patents

coating system Download PDF

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Publication number
CN116651702A
CN116651702A CN202310546388.4A CN202310546388A CN116651702A CN 116651702 A CN116651702 A CN 116651702A CN 202310546388 A CN202310546388 A CN 202310546388A CN 116651702 A CN116651702 A CN 116651702A
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CN
China
Prior art keywords
liquid
liquid level
control device
supply
coating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310546388.4A
Other languages
Chinese (zh)
Inventor
陈东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Reboke Material Technology Co ltd
Original Assignee
Chengdu Reboke Material Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu Reboke Material Technology Co ltd filed Critical Chengdu Reboke Material Technology Co ltd
Priority to CN202310546388.4A priority Critical patent/CN116651702A/en
Publication of CN116651702A publication Critical patent/CN116651702A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
    • B05C11/1007—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material
    • B05C11/101—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material responsive to weight of a container for liquid or other fluent material; responsive to level of liquid or other fluent material in a container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/081—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to the weight of a reservoir or container for liquid or other fluent material; responsive to level or volume of liquid or other fluent material in a reservoir or container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/085—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to flow or pressure of liquid or other fluent material to be discharged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/40—Filters located upstream of the spraying outlets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
    • B05C11/1007—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material
    • B05C11/1013—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material responsive to flow or pressure of liquid or other fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1036—Means for supplying a selected one of a plurality of liquids or other fluent materials, or several in selected proportions, to the applying apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Coating Apparatus (AREA)

Abstract

The application discloses a coating system, which comprises: first feeding device, second feeding device, first liquid level detection device, controlling means and coating device, wherein: the control device is respectively and electrically connected with the first supply device, the second supply device and the first liquid level detection device, and a liquid inlet of the coating device is connected with a target liquid outlet through a pipeline, wherein the target liquid outlet is a liquid outlet shared by the first supply device and the second supply device; the first liquid level detection device is used for acquiring a first liquid level line of the liquid in the first supply device and sending the first liquid level line to the control device; the control device is used for receiving the first liquid level line, controlling the second supply device to be opened under the condition that the first liquid level line is smaller than a first threshold value, and controlling the first supply device to be closed after a preset time.

Description

Coating system
Technical Field
The application relates to the technical field of coating devices, in particular to a coating system.
Background
Currently, in order to realize continuous liquid supply of a coating device, a residual amount of liquid in a liquid supply tank for supplying liquid to the coating device is usually observed manually, and when the liquid in the liquid supply tank is used up by observation, the liquid supply tank is manually switched to another liquid supply tank to continuously supply liquid to the coating device so as to ensure continuous liquid supply of the coating device. However, the above-described method is greatly affected by the enthusiasm of personnel, and has a problem of low supply reliability.
Disclosure of Invention
The application discloses a coating system, which can solve the problem of low supply reliability in the related technology.
In order to solve the problems, the application adopts the following technical scheme:
the embodiment of the application discloses a coating system, which comprises: first feeding device, second feeding device, first liquid level detection device, controlling means and coating device, wherein: the control device is respectively and electrically connected with the first supply device, the second supply device and the first liquid level detection device, and a liquid inlet of the coating device is connected with a target liquid outlet through a pipeline, wherein the target liquid outlet is a liquid outlet shared by the first supply device and the second supply device; the first liquid level detection device is used for acquiring a first liquid level line of the liquid in the first supply device and sending the first liquid level line to the control device; the control device is used for receiving the first liquid level line, controlling the second supply device to be opened under the condition that the first liquid level line is smaller than a first threshold value, and controlling the first supply device to be closed after a preset time.
The coating system provided by the embodiment of the application comprises a first supply device, a second supply device, a first liquid level detection device, a control device and a coating device, wherein the control device is respectively and electrically connected with the first supply device, the second supply device and the first liquid level detection device, a liquid inlet of the coating device is connected with a liquid outlet shared by the first supply device and the second supply device through a pipeline, when the first supply device supplies liquid to the coating device, the first liquid level detection device is adopted to obtain a first liquid level line of the liquid in the first supply device, the first liquid level line is sent to the control device, when the control device determines that the first liquid level line is smaller than a first threshold value, the control device controls the second supply device to be started, and controls the first supply device to be closed after a preset time, so that the supply reliability can be improved while the continuity of the liquid supply to the coating device is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a coating system according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
Fig. 1 is a schematic structural diagram of a coating system according to an embodiment of the present application.
As shown in fig. 1, a coating system disclosed in an embodiment of the present application includes: a first feeding device 110, a second feeding device 120, a first liquid level detection device 130, a control device 140 and a coating device 150, wherein: the control device 140 is electrically connected to the first supply device 110, the second supply device 120, and the first liquid level detection device 130, and the liquid inlet of the coating device 150 is connected to a target liquid outlet through a pipeline, where the target liquid outlet is a liquid outlet shared by the first supply device 110 and the second supply device 120; the first liquid level detecting device 130 is configured to obtain a first liquid level line of the liquid in the first supplying device 110, and send the first liquid level line to the control device 140; the control device 140 is configured to receive the first liquid level line, control the second supply device 120 to be turned on and control the first supply device 110 to be turned off after a preset time when the first liquid level line is less than a first threshold value.
The first supply device 110 and the second supply device 120 are used to supply the liquid for coating to the coating device 150. The first level line is used to characterize the remaining amount of liquid in the first supply 110.
In the present application, in the case of supplying the liquid to the coating apparatus 150 by the first supply apparatus 110, the first liquid level detecting apparatus 130 is used to obtain a first liquid level line of the liquid in the first supply apparatus 110, and send the first liquid level line to the control apparatus 140, in the case that the control apparatus 140 determines that the first liquid level line is less than the first threshold value, the control apparatus 140 controls the second supply apparatus 120 to be turned on, and controls the first supply apparatus 110 to be turned off after a preset time, that is, in the case that the control apparatus 140 determines that the first liquid level line is less than the first threshold value, the liquid supply from the first supply apparatus 110 to the coating apparatus 150 is switched to the liquid supply from the second supply apparatus 120 to the coating apparatus 150, so as to ensure the continuity of the liquid supply to the coating apparatus 150. In addition, according to the present application, the control device 140 is used to control the first supply device 110 and the second supply device 120 according to the received first liquid level line, so that the manual involvement is reduced, and the supply reliability can be improved. In the case of supplying the liquid to the coating apparatus 150 through the first supply apparatus 110, the liquid supplied from the first supply apparatus 110 enters the liquid inlet of the coating apparatus 150 through the target liquid outlet, and in the case of supplying the liquid to the coating apparatus 150 through the second supply apparatus 120, the liquid supplied from the second supply apparatus 120 enters the liquid inlet of the coating apparatus 150 through the target liquid outlet.
The values of the first threshold and the preset time are not particularly limited, and the specific values of the first threshold and the preset time can be set according to actual needs. After the first supply device 110 is turned off and the second supply device 120 supplies the liquid to the coating device 150, the technician may supplement the liquid in the first supply device 110, and after the first supply device 110 is supplemented, the technician may switch to the first supply device 110 to supply the liquid to the coating device 150, or may continue to supply the liquid to the coating device 150 by the second supply device 120.
The coating system provided by the embodiment of the application comprises a first supply device 110, a second supply device 120, a first liquid level detection device 130, a control device 140 and a coating device 150, wherein the control device 140 is respectively and electrically connected with the first supply device 110, the second supply device 120 and the first liquid level detection device 130, a liquid inlet of the coating device 150 is connected with a liquid outlet shared by the first supply device 110 and the second supply device 120 through a pipeline, when the first supply device 110 is used for supplying liquid to the coating device 150, the first liquid level detection device 130 is used for acquiring a first liquid level line of the liquid in the first supply device 110, the first liquid level line is sent to the control device 140, when the control device 140 determines that the first liquid level line is smaller than a first threshold value, the control device 140 controls the second supply device 120 to be started, and after a preset time, the first supply device 110 is controlled to be closed, so that the supply reliability can be improved while the continuity of the liquid supplied to the coating device 150 is ensured.
In one implementation, the control device 140 may be a programmable logic controller (Programmable Logic Controller, PLC).
In this embodiment of the present application, the coating system may further include a flow regulator 160, where a liquid inlet of the flow regulator 160 is connected to the target liquid outlet through a pipeline, a liquid outlet of the flow regulator 160 is connected to a liquid inlet of the coating device 150 through a pipeline, and the flow regulator 160 is electrically connected to the control device 140. That is, the liquid supplied from the first supply device 110 or the second supply device 120 enters the liquid inlet of the coating device 150 after being regulated by the flow regulating device 160, and the flow regulating device 160 is controlled by the control device 140. In one implementation, the flow regulating device 160 may be a pulse-free metering pump, through which precise solution pressure metering delivery is provided.
In one possible implementation, for anti-blocking liquid monitoring, the coating system may further include a pressure detection device 170, where the pressure detection device 170 is disposed between the liquid outlet of the flow regulator 160 and the liquid inlet of the coating device 150, the pressure detection device 170 is electrically connected to the control device 140, and the pressure detection device 170 is configured to detect a pressure value in a pipeline that connects the liquid outlet of the flow regulator 160 and the liquid inlet of the coating device 150, and send the pressure value to the control device 140; the control device 140 is further configured to receive the pressure value, and control the flow regulator 160 to be closed when the pressure value exceeds a second threshold value. If the pressure value in the pipeline connecting the liquid outlet of the flow regulator 160 and the liquid inlet of the coating device 150 detected by the pressure detector 170 exceeds the second threshold, it indicates that the liquid blocking problem exists in the pipeline connecting the liquid outlet of the flow regulator 160 and the liquid inlet of the coating device 150, and the control device 140 controls the flow regulator 160 to be closed so as to prevent accidents. In one implementation, the pressure detection device 170 may be a pressure gauge capable of monitoring small pressure changes.
In this embodiment of the present application, the coating system may further include a flow collection device 180, where the flow collection device 180 is disposed between the liquid outlet of the flow adjustment device 160 and the liquid inlet of the coating device 150, and the flow collection device 180 is electrically connected to the control device 140, and is configured to collect a flow value of the liquid in the pipeline that connects the liquid outlet of the flow adjustment device 160 and the liquid inlet of the coating device 150, and send the flow value to the control device 140; the control device 140 is further configured to receive the flow value, and adjust the flow value of the output liquid of the flow adjustment device 160 according to the flow value, so as to achieve precise and quantitative spraying.
The flow collection device 180 sends the collected real-time flow value of the liquid in the pipeline connecting the liquid outlet of the flow adjustment device 160 and the liquid inlet of the coating device 150 to the control device 140, the control device 140 calculates the flow difference between the real-time flow value and the target flow value according to the received real-time flow value and the target flow value set in advance, and then the control device 140 adjusts the flow value of the liquid output by the flow adjustment device 160 according to the flow difference. In the case where the flow regulator 160 is a pulse-free metering pump, the control device 140 may adjust the pump motor speed of the pulse-free metering pump according to the flow difference, and thus adjust the flow value of the liquid output from the flow regulator 160. It should be noted that, the preset target flow value may be set by a related technician according to actual needs, and the operation between the real-time flow value and the target flow value may be PID operation. In one implementation, the flow acquisition device 180 may be a flow meter.
In one implementation manner, the coating system may further include a second liquid level detection device 190, where the second liquid level detection device 190 is disposed between the liquid inlet of the flow rate adjustment device 160 and the target liquid outlet, and the second liquid level detection device 190 is connected to the control device 140, and is configured to obtain a second liquid level line of the liquid in the pipeline that communicates the liquid inlet of the flow rate adjustment device 160 with the target liquid outlet, and send the second liquid level line to the control device 140; the control device 140 is further configured to receive the second liquid level line, and control the flow regulator 160 to be closed when the second liquid level line is less than a third threshold. In the present application, by providing the second liquid level detection device 190 between the liquid inlet of the flow rate adjustment device 160 and the target liquid outlet, a second liquid level line of the liquid in the pipeline that connects the liquid inlet of the flow rate adjustment device 160 and the target liquid outlet can be obtained, and the second liquid level line is sent to the control device 140, where the control device 140 indicates that the liquid supply is stopped when determining that the second liquid level line is smaller than the third threshold, the control device 140 controls the flow rate adjustment device 160 to be closed, so as to realize the protection of the flow rate adjustment device 160. It should be noted that, the value of the third threshold is not specifically limited in the present application, and the specific value of the third threshold may be set according to actual needs.
In one implementation, the second liquid level detecting device 190 may be a liquid shortage detecting sensor, where the liquid shortage detecting sensor indicates that a liquid shortage occurs in a pipeline that connects the liquid inlet of the flow rate adjusting device 160 with the target liquid outlet when triggered, and the control device 140 controls the flow rate adjusting device 160 to be turned off.
In one possible implementation, the coating system may further comprise an alarm device, which is electrically connected to the control device 140; the control device 140 is further configured to control the alarm device to alarm if the second liquid level line is smaller than the third threshold value. That is, in the case that the control device 140 determines that the second liquid level line is less than the third threshold value, the control device 140 may control the alarm device to alarm while controlling the flow rate adjustment device 160 to be turned off, thereby alerting the relevant technician. The alarm device may be an audible and visual alarm, for example. In addition, in the case that the second liquid level line is determined to be smaller than the third threshold value, the control device 140 may also send a signal to the main line to control other devices connected to the main line to stop working, so as to ensure the safety of the whole coating line.
In the present application, the coating system may further include a third liquid level detecting device 1100, where the third liquid level detecting device 1100 is electrically connected to the control device 140, and is configured to obtain a third liquid level line of the liquid in the second supply device 120, and send the third liquid level line to the control device 140; the control device 140 is further configured to receive the third liquid level line, control the first supply device 110 to be turned on and control the second supply device 120 to be turned off after the preset time when the third liquid level line is smaller than a fourth threshold value. In the present application, the third liquid level line of the liquid in the second supply device 120 is acquired by the third liquid level detection device 1100, and the third liquid level line is sent to the control device 140, and when the third liquid level line is determined to be smaller than the fourth threshold value, the control device 140 switches the liquid supply of the coating device 150 by the second supply device 120 to the liquid supply of the coating device 150 by the first supply device 110, so as to ensure the continuity of the liquid supply of the coating device 150. The first supply device 110 is already replenished with liquid. In addition, the application does not limit the value of the fourth threshold, and the specific value of the fourth threshold can be set according to actual needs.
In one implementation, the first and third fluid level detection devices 130, 1100 may be fluid level sensors.
In one implementation, the coating system may further include a filter device 1110, where the filter device 1110 is disposed between the liquid inlet of the coating device 150 and the target liquid outlet. By providing the filter 1110 between the inlet and the target outlet of the coating apparatus 150, it is possible to remove fine impurity particles and the like from the liquid. Alternatively, the filter device 1110 may be a filter cartridge with a filter diameter of 0.01 μm to 5.0 μm.
In an embodiment of the present application, the first supply device 110 may include a first supply tank 111 and a first switch valve 112, where the first switch valve 112 is electrically connected to the control device 140, and the control device 140 is further configured to control the first switch valve 112 to be opened or closed, and the first switch valve 112 is configured to control the first supply tank 111 to be opened or closed; the second supply device 120 may include a second supply tank 121 and a second switching valve 122, the second switching valve 122 is electrically connected to the control device 140, the control device 140 is further configured to control the second switching valve 122 to be opened or closed, and the second switching valve 122 is configured to control the second supply tank 121 to be opened or closed. That is, the control device 140 controls the first supply tank 111 to be opened or closed by controlling the first switching valve 112 to be opened or closed, and the control device 140 controls the second supply tank 121 to be opened or closed by controlling the second switching valve 122 to be opened or closed. The supply tank functions as a liquid tank, and the first switching valve 112 and the second switching valve 122 function as liquid outlet switches. For example, the first and second switching valves 112 and 122 may be electromagnetic switching valves.
In one implementation, as shown in fig. 1, the first liquid level detecting device 130 may be disposed at the bottom of the first supply tank 111, where the first liquid level detecting device 130 sends a switching value signal to the control device 140 when detecting that there is no liquid in the first supply tank 111, and the control device 140 controls the second supply device 120 to be turned on and controls the first supply device 110 to be turned off after a preset time. Similarly, the third liquid level detecting device 1100 may also be disposed at the bottom of the second supply tank 121, which is not described herein.
In an embodiment of the present application, the coating system may further include a third switch valve 1120, where the third switch valve 1120 is disposed between the liquid inlet and the target liquid outlet of the coating apparatus 150. By providing the third switching valve 1120 between the liquid inlet and the target liquid outlet of the coating apparatus 150, the liquid cut-off before the coating apparatus 150 can be achieved. Note that, the third switch valve 1120 may be a manual valve.
The coating system described above may include, but is not limited to, a coating process represented by a precision optical film, a precision coating process related to an Organic Light-Emitting Diode (OLED) process, a spraying process represented by an automobile manufacturing industry, a precision mixing system represented by a biomedical industry, and the like.
In addition, the coating system disclosed by the application can be communicated with other equipment to realize linkage control of the coating system and the whole production line.
The foregoing embodiments of the present application mainly describe differences between the embodiments, and as long as there is no contradiction between different optimization features of the embodiments, the embodiments may be combined to form a better embodiment, and in view of brevity of line text, no further description is provided herein.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.

Claims (10)

1. A coating system, comprising: first feeding device, second feeding device, first liquid level detection device, controlling means and coating device, wherein:
the control device is respectively and electrically connected with the first supply device, the second supply device and the first liquid level detection device, and a liquid inlet of the coating device is connected with a target liquid outlet through a pipeline, wherein the target liquid outlet is a liquid outlet shared by the first supply device and the second supply device;
the first liquid level detection device is used for acquiring a first liquid level line of the liquid in the first supply device and sending the first liquid level line to the control device;
the control device is used for receiving the first liquid level line, controlling the second supply device to be opened under the condition that the first liquid level line is smaller than a first threshold value, and controlling the first supply device to be closed after a preset time.
2. The coating system of claim 1, further comprising a flow adjustment device, wherein a liquid inlet of the flow adjustment device is connected to the target liquid outlet via a pipeline, a liquid outlet of the flow adjustment device is connected to a liquid inlet of the coating device via a pipeline, and the flow adjustment device is electrically connected to the control device.
3. The coating system of claim 2, further comprising a pressure detection device disposed between the outlet of the flow regulator and the inlet of the coating device, the pressure detection device being electrically connected to the control device for detecting a pressure value within a line communicating the outlet of the flow regulator and the inlet of the coating device and transmitting the pressure value to the control device;
the control device is also used for receiving the pressure value and controlling the flow regulating device to be closed when the pressure value exceeds a second threshold value.
4. The coating system of claim 2, further comprising a flow acquisition device disposed between the outlet of the flow adjustment device and the inlet of the coating device, the flow acquisition device being electrically connected to the control device for acquiring a flow value of the liquid in the pipeline communicating the outlet of the flow adjustment device and the inlet of the coating device and transmitting the flow value to the control device;
the control device is also used for receiving the flow value and adjusting the flow value of the output liquid of the flow regulating device according to the flow value.
5. The coating system of claim 2, further comprising a second liquid level detection device disposed between the liquid inlet of the flow adjustment device and the target liquid outlet, the second liquid level detection device being connected to the control device for obtaining a second liquid level line of the liquid in the pipeline communicating the liquid inlet of the flow adjustment device with the target liquid outlet and sending the second liquid level line to the control device;
the control device is also used for receiving the second liquid level line, and controlling the flow regulating device to be closed under the condition that the second liquid level line is smaller than a third threshold value.
6. The coating system of claim 5, further comprising an alarm device electrically connected to the control device;
the control device is also used for controlling the alarm device to alarm under the condition that the second liquid level line is smaller than the third threshold value.
7. The coating system of claim 1, further comprising: the third liquid level detection device is electrically connected with the control device and is used for acquiring a third liquid level line of the liquid in the second supply device and sending the third liquid level line to the control device;
the control device is further configured to receive the third liquid level line, control the first supply device to be turned on and control the second supply device to be turned off after the preset time when the third liquid level line is smaller than a fourth threshold value.
8. The coating system of claim 1, further comprising a filter device disposed between the liquid inlet of the coating device and the target liquid outlet.
9. The coating system of claim 1, wherein the first supply means comprises a first supply tank and a first on-off valve, the first on-off valve being electrically connected to the control means, the control means further for controlling the first on-off valve to be opened or closed, the first on-off valve for controlling the first supply tank to be opened or closed;
the second supply device comprises a second supply tank and a second switch valve, the second switch valve is electrically connected with the control device, the control device is also used for controlling the second switch valve to be opened or closed, and the second switch valve is used for controlling the second supply tank to be opened or closed.
10. The coating system of claim 1, further comprising a third on-off valve disposed between the liquid inlet of the coating device and the target liquid outlet.
CN202310546388.4A 2023-05-15 2023-05-15 coating system Pending CN116651702A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310546388.4A CN116651702A (en) 2023-05-15 2023-05-15 coating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310546388.4A CN116651702A (en) 2023-05-15 2023-05-15 coating system

Publications (1)

Publication Number Publication Date
CN116651702A true CN116651702A (en) 2023-08-29

Family

ID=87723385

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310546388.4A Pending CN116651702A (en) 2023-05-15 2023-05-15 coating system

Country Status (1)

Country Link
CN (1) CN116651702A (en)

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