CN111857191A - Method, device and equipment for controlling liquid medicine in circuit board manufacturing process and storage medium - Google Patents
Method, device and equipment for controlling liquid medicine in circuit board manufacturing process and storage medium Download PDFInfo
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- CN111857191A CN111857191A CN201910337767.6A CN201910337767A CN111857191A CN 111857191 A CN111857191 A CN 111857191A CN 201910337767 A CN201910337767 A CN 201910337767A CN 111857191 A CN111857191 A CN 111857191A
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- liquid medicine
- flow
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- supply pipeline
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
Abstract
The invention provides a liquid medicine control method, a device, equipment and a storage medium in a circuit board manufacturing process, which are characterized in that real-time liquid medicine flow in a liquid medicine supply pipeline is obtained by adopting a non-contact flow measurement mode through an ultrasonic flowmeter, the liquid medicine supply pipeline does not need to be cut and subjected to other auxiliary treatment, the convenience and the safety of installation and maintenance are improved, the operation risk in the production process is reduced, potential safety hazards to workshop environment, production equipment and operators are avoided, meanwhile, the corrosion and the damage of the liquid medicine to the flowmeter are effectively avoided, and the service life of the liquid medicine is prolonged; in addition, the precision and the stability of the ultrasonic flowmeter are higher, the real-time liquid medicine flow can be monitored more quickly and accurately, the automatic control valve of the liquid medicine supply pipeline is controlled according to the real-time liquid medicine flow, the automation degree of the liquid medicine adding process in the circuit board manufacturing process is improved, the liquid medicine control accuracy is improved, and the quality stability of a circuit board product is improved.
Description
Technical Field
The invention relates to the technical field of printed circuit boards, in particular to a method, a device, equipment and a storage medium for controlling liquid medicine in a circuit board manufacturing process.
Background
The circuit board has a complex process flow, which includes a plurality of wet process and dry process flows, wherein the wet process includes electroplating, graphic circuit manufacturing, surface solder mask, electroless nickel gold plating, and the like. In general, the wet process is produced by adopting a production line mode and comprises a plurality of small working sections, various chemicals are applied in the process, and bulk liquid medicines mainly comprise sulfuric acid, sodium persulfate, hydrochloric acid, sodium hydroxide and the like, all belong to strong acid and strong base high-risk chemicals, and have high requirements on process supervision. In order to reduce manual operation, improve workshop production environment and reduce production safety risk in the production process, a central chemical supply system is generally adopted to carry out uniform bulk chemical delivery on wet processes.
In the use and management process, the liquid medicine is generally uniformly conveyed to a temporary storage barrel in a workshop through an automatic adding system, an impeller type flowmeter is adopted in the mainstream design in the industry at present to monitor and count the flow rate and consumption of liquid medicine of a wet process production line, the flowmeter is installed in a mode of being connected in series on a pipeline, a liquid medicine pipeline needs to be cut off in the installation process, a flowmeter induction impeller is inserted into the inner wall of the flowmeter induction impeller, then the pipeline cut is subjected to hot melting welding, and then the sealing ring and a rubber gasket are matched for sealing.
In the existing mode, in the actual use process, situations such as hot-melt welding position desoldering, seal ring aging, flow meter probe impeller abnormity and the like easily occur under the influence of corrosivity of chemical liquid medicine, so that the statistics of the liquid medicine flow monitoring process is inaccurate, the change of production line process parameters is influenced, the production quality of products is abnormal, pipeline liquid medicine leakage is possible to occur under serious conditions, the production workshop environment is polluted, the health of workers is threatened, and the sustainable production management is not facilitated; in addition, if the impeller of the flow meter is abnormal, the equipment maintenance process is complex and low in efficiency, and potential safety hazards in operation exist when the liquid medicine remained in the flow meter pipeline is replaced and disassembled; the medicine liquid in the central medicine supply system has various types and complex properties, has the characteristics of corrosion, volatilization, flammability and the like, is easy to damage workshop equipment bodies and matching devices, brings serious potential safety hazards, and accelerates the aging and damage of the equipment.
Disclosure of Invention
The invention provides a method, a device, equipment and a storage medium for controlling liquid medicine in a circuit board manufacturing process, which are used for improving the convenience and safety of installation and maintenance of a flowmeter in the circuit board manufacturing process and reducing the operation risk in the production process.
The invention provides a method for controlling liquid medicine in a circuit board manufacturing process, which comprises the following steps:
acquiring real-time liquid medicine flow in a liquid medicine supply pipeline of a circuit board production line by using an ultrasonic flowmeter, wherein the liquid medicine supply pipeline is connected with a central medicine supply system and a production line liquid medicine tank;
and controlling the automatic control valve of the liquid medicine supply pipeline according to the real-time liquid medicine flow, so that the liquid medicine adding process is controlled.
Further, the ultrasonic flowmeter is fixed on the outer side wall of the liquid medicine supply pipeline through a fixed clamp.
Further, the automatic control valve for controlling the liquid medicine supply pipeline according to the real-time liquid medicine flow comprises:
and adjusting the automatic control valve according to the real-time liquid medicine flow and a preset target flow so as to keep the real-time liquid medicine flow at the preset target flow.
Further, the automatic control valve for controlling the liquid medicine supply pipeline according to the real-time liquid medicine flow comprises:
acquiring the accumulative liquid medicine adding amount according to the real-time liquid medicine flow;
and controlling the automatic control valve to be opened or closed according to the accumulated adding amount of the liquid medicine, the concentration of the liquid medicine and a preset target adding amount.
Further, the method further comprises:
acquiring the intensity of a signal received by the ultrasonic flowmeter;
and controlling the intensity of the signal sent by the ultrasonic flowmeter according to the intensity of the signal received by the ultrasonic flowmeter and the preset signal intensity.
The second aspect of the present invention provides a device for controlling the liquid medicine in the process of manufacturing a circuit board, comprising:
the acquisition module is used for acquiring the real-time liquid medicine flow in a liquid medicine supply pipeline in a circuit board production line by using an ultrasonic flowmeter, wherein the liquid medicine supply pipeline is connected with a central medicine supply system and a production line liquid medicine tank;
and the control module is used for controlling the automatic control valve of the liquid medicine supply pipeline according to the real-time liquid medicine flow so as to control the adding process of the liquid medicine.
Further, the ultrasonic flowmeter is fixed on the outer side wall of the liquid medicine supply pipeline through a fixed clamp.
Further, the control module is configured to:
and adjusting the automatic control valve according to the real-time liquid medicine flow and a preset target flow so as to keep the real-time liquid medicine flow at the preset target flow.
Further, the control module is configured to:
acquiring the accumulative liquid medicine adding amount according to the real-time liquid medicine flow;
And controlling the automatic control valve to be opened or closed according to the accumulated adding amount of the liquid medicine, the concentration of the liquid medicine and a preset target adding amount.
Further, the obtaining module is further configured to:
acquiring the intensity of a signal received by the ultrasonic flowmeter;
and controlling the intensity of the signal sent by the ultrasonic flowmeter according to the intensity of the signal received by the ultrasonic flowmeter and the preset signal intensity.
A third aspect of the present invention provides a liquid medicine control apparatus in a circuit board manufacturing process, comprising: the ultrasonic flowmeter, the automatic control valve, the memory and the processor;
the ultrasonic flowmeter is used for acquiring the real-time liquid medicine flow in a liquid medicine supply pipeline in a circuit board production line;
the automatic control valve is used for controlling the adding process of the liquid medicine in the liquid medicine supply pipeline;
the memory is used for storing a computer program;
the processor invokes the computer program to perform the method according to the first aspect.
A fourth aspect of the present invention is to provide a computer-readable storage medium having stored thereon a computer program;
which when executed by a processor implements the method according to the first aspect.
According to the method, the device, the equipment and the storage medium for controlling the liquid medicine in the circuit board manufacturing process, the real-time liquid medicine flow in a liquid medicine supply pipeline in a circuit board production line is obtained by using the ultrasonic flowmeter, wherein the liquid medicine supply pipeline is connected with a central medicine supply system and a production line liquid medicine tank; and controlling the automatic control valve of the liquid medicine supply pipeline according to the real-time liquid medicine flow, so that the liquid medicine adding process is controlled. According to the ultrasonic flowmeter, the real-time liquid medicine flow in the liquid medicine supply pipeline is obtained by adopting a non-contact flow measurement mode through the ultrasonic flowmeter, the liquid medicine supply pipeline does not need to be cut or subjected to other auxiliary treatment, the convenience and the safety of installation and maintenance are improved, the operation risk in the production process is reduced, potential safety hazards to workshop environment, production equipment and operators are avoided, meanwhile, the corrosion and the damage of the liquid medicine to the flowmeter are effectively avoided, and the service life of the ultrasonic flowmeter is prolonged; in addition, the precision and the stability of the ultrasonic flowmeter are higher, the real-time liquid medicine flow can be monitored more quickly and accurately, the automatic control valve of the liquid medicine supply pipeline is controlled according to the real-time liquid medicine flow, the automation degree of the liquid medicine adding process in the circuit board manufacturing process is improved, the liquid medicine control accuracy is improved, and the quality stability of a circuit board product is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flowchart of a method for controlling a chemical solution in a circuit board manufacturing process according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a chemical control system for a circuit board manufacturing process according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method for controlling chemical in a circuit board manufacturing process according to another embodiment of the present invention;
FIG. 4 is a flow chart of a method for controlling chemical in a circuit board manufacturing process according to another embodiment of the present invention;
FIG. 5 is a structural diagram of a liquid medicine control device in the manufacturing process of a circuit board according to an embodiment of the present invention;
fig. 6 is a structural diagram of a liquid medicine control device in a circuit board manufacturing process according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a flowchart of a method for controlling a chemical solution in a circuit board manufacturing process according to an embodiment of the present invention, and fig. 2 is a schematic diagram of a chemical solution control system in a circuit board manufacturing process. The embodiment provides a method for controlling liquid medicine in a circuit board manufacturing process, which comprises the following specific steps:
s101, acquiring real-time liquid medicine flow in a liquid medicine supply pipeline of a circuit board production line by using an ultrasonic flowmeter, wherein the liquid medicine supply pipeline is connected with a central medicine supply system and a production line liquid medicine tank.
In this embodiment, the ultrasonic flowmeter is an instrument for measuring a flow rate by detecting an action of a fluid flow on an ultrasonic beam (or an ultrasonic pulse), and is a non-contact instrument, which can measure a medium flow rate with a large pipe diameter, can also be used for measuring a medium which is not easy to contact and observe, has high measurement accuracy, is hardly interfered by various parameters of the measured medium, and can particularly solve the problem of flow rate measurement of a strong corrosive medium, a non-conductive medium, a radioactive medium, a flammable medium and an explosive medium which cannot be measured by other instruments. In the embodiment, the ultrasonic flowmeter can be fixed on the outer side wall of the liquid medicine supply pipeline through the fixed clamp, wherein the liquid medicine supply pipeline is connected with the central medicine supply system and the production line medicine water tank and does not need to pass through the temporary storage barrel; in the flow detection process, the emitter of the ultrasonic flowmeter penetrates through the outer side wall of the liquid medicine supply pipeline and emits ultrasonic signals to liquid medicine in the pipeline at a proper angle, the receiver receives the ultrasonic signals, and the real-time liquid medicine flow in the liquid medicine supply pipeline is obtained according to the received ultrasonic signals.
S102, controlling an automatic control valve of the liquid medicine supply pipeline according to the real-time liquid medicine flow, and controlling the liquid medicine adding process.
In this embodiment, can be according to the automatic control valve of real-time liquid medicine flow control liquid medicine supply pipeline after acquireing real-time liquid medicine flow, specifically include the aperture size through control automatic control valve realize to the control of liquid medicine flow, through the control that open or close realization liquid medicine volume of adding or joining opportunity of control automatic control valve etc. through controlling real-time liquid medicine flow control automatic control valve, can realize carrying out accurate control to the liquid medicine joining process in the circuit board manufacturing process. In this embodiment, an analyzer may be used to analyze the flow of the liquid medicine in real time to generate a control signal, and the control signal is fed back to the automatic control valve through the feedback device to dynamically control the liquid medicine feeding process.
In the method for controlling the liquid medicine in the circuit board manufacturing process provided by the embodiment, the real-time liquid medicine flow in a liquid medicine supply pipeline in a circuit board production line is obtained by using an ultrasonic flowmeter, wherein the liquid medicine supply pipeline is connected with a central medicine supply system and a production line liquid medicine tank; and controlling the automatic control valve of the liquid medicine supply pipeline according to the real-time liquid medicine flow, so that the liquid medicine adding process is controlled. In the embodiment, the real-time liquid medicine flow in the liquid medicine supply pipeline is obtained by adopting a non-contact flow measurement mode through the ultrasonic flowmeter, the liquid medicine supply pipeline does not need to be cut and subjected to other auxiliary treatments, the convenience and the safety of installation and maintenance are improved, the operation risk in the production process is reduced, potential safety hazards to workshop environment, production equipment and operators are avoided, meanwhile, the corrosion and the damage of the liquid medicine to the flowmeter are also effectively avoided, and the service life of the flowmeter is prolonged; in addition, the precision and the stability of the ultrasonic flowmeter are higher, the real-time liquid medicine flow can be monitored more quickly and accurately, the automatic control valve of the liquid medicine supply pipeline is controlled according to the real-time liquid medicine flow, the automation degree of the liquid medicine adding process in the circuit board manufacturing process is improved, the liquid medicine control accuracy is improved, and the quality stability of a circuit board product is improved.
On the basis of the above embodiment, the automatic control valve for controlling the liquid medicine supply pipeline according to the real-time liquid medicine flow in S102 includes:
and adjusting the automatic control valve according to the real-time liquid medicine flow and a preset target flow so as to keep the real-time liquid medicine flow at the preset target flow.
In this embodiment, a preset target flow rate of the liquid medicine can be obtained from production line process parameters, then the real-time liquid medicine flow rate obtained by the ultrasonic flowmeter is compared with the preset target flow rate, and when the real-time liquid medicine flow rate is greater than the preset target flow rate, the automatic control valve is controlled to reduce the opening degree, so that the real-time liquid medicine flow rate is reduced until the real-time liquid medicine flow rate is maintained at the preset target flow rate; and when the real-time liquid medicine flow is smaller than the preset target flow, controlling the automatic control valve to increase the opening, so that the real-time liquid medicine flow is increased until the real-time liquid medicine flow is kept at the preset target flow. The control of liquid medicine flow is realized through a dynamic feedback mechanism, and the liquid medicine flow control precision is improved.
On the basis of any of the above embodiments, as shown in fig. 3, the automatic control valve for controlling the liquid medicine supply pipeline according to the real-time liquid medicine flow may further include:
S201, acquiring the accumulated adding amount of the liquid medicine according to the real-time liquid medicine flow;
s202, controlling the automatic control valve to be opened or closed according to the accumulated adding amount of the liquid medicine, the concentration of the liquid medicine and a preset target adding amount.
In this embodiment, the cumulative liquid medicine adding amount can be counted according to the real-time liquid medicine flow, and whether the required preset target adding amount is reached or not is judged according to the cumulative liquid medicine adding amount, wherein the preset target adding amount can be the liquid medicine volume or the liquid medicine solute quality. If the preset target adding amount is the volume of the liquid medicine, the accumulated adding amount of the liquid medicine can be directly compared with the preset target adding amount, and when the preset target adding amount is reached, the automatic control valve is controlled to be closed; if the preset target adding amount is the solute mass of the liquid medicine, the mass of the liquid medicine solute added in an accumulated mode can be obtained according to the accumulated adding amount of the liquid medicine and the concentration of the liquid medicine, then the mass of the liquid medicine solute added in the accumulated mode is compared with the preset target adding amount, and when the preset target adding amount is reached, the automatic control valve is controlled to be closed.
In this embodiment, the preset target addition amount may be obtained from production line process parameters, and in addition, the current concentration of the production line water chemical tank may also be obtained first, and the preset target addition amount is obtained according to the current concentration of the production line water chemical tank and the preset target concentration.
On the basis of any of the above embodiments, as shown in fig. 4, the method for controlling the chemical solution in the manufacturing process of the circuit board may further include:
s301, obtaining the intensity of a signal received by the ultrasonic flowmeter;
s302, controlling the intensity of the signal sent by the ultrasonic flowmeter according to the intensity of the signal received by the ultrasonic flowmeter and the preset signal intensity.
In this embodiment, because piling up of liquid medicine supply line inner wall and outer wall, rust etc. produce certain hindrance to ultrasonic signal's transmission, in order to guarantee ultrasonic flowmeter ultrasonic signal's stable transmission in long-time use, can acquire ultrasonic flowmeter received signal's intensity in real time or regularly, and compare with presetting signal intensity, intensity when received signal is less than presetting signal intensity, then can improve ultrasonic flowmeter send signal's intensity, in order to compensate the loss of signal intensity among the ultrasonic transmission process, guarantee ultrasonic flowmeter's normal work, improve the flow detection precision.
Further, because ultrasonic signal not only can receive the influence of flow, still can receive the influence because of external factors such as jam or temperature variation, lead to ultrasonic flowmeter to have unstable situation, in this embodiment, ultrasonic flowmeter can set up many pairs of transmitter and receiver, measure respectively at the different positions of liquid medicine supply pipeline and obtain the real-time liquid medicine flow of multiunit, obtain comparatively accurate, stable real-time liquid medicine flow result (if ask average etc.) according to the real-time liquid medicine flow of multiunit, thereby reduce the influence of external factor, further improve the accuracy of liquid medicine control. In an optional embodiment, the ultrasonic flowmeter has two pairs of emitters and receivers, wherein the first emitter and the second receiver are disposed at the same position (first position), the first receiver and the second emitter are disposed at the same position (second position), the first emitter at the first position emits ultrasonic waves and is received by the first receiver at the second position, and the second emitter at the second position emits ultrasonic waves and is received by the second receiver at the first position, so that two sets of real-time liquid medicine flow rates can be obtained, and a relatively accurate and stable real-time liquid medicine flow rate result can be obtained according to the two sets of real-time liquid medicine flow rates.
In addition, in the embodiment, a direct-current power supply and a connecting cable can be adopted to provide a transmission channel and working energy for the ultrasonic flowmeter, so that the normal work of the ultrasonic flowmeter is guaranteed.
Fig. 5 is a structural diagram of a liquid medicine control device in the manufacturing process of the circuit board according to an embodiment of the present invention. The liquid medicine control device in the circuit board manufacturing process provided in this embodiment can execute the processing flow provided in the liquid medicine control method in the circuit board manufacturing process, as shown in fig. 5, the liquid medicine control device 40 in the circuit board manufacturing process includes an obtaining module 41 and a control module 42.
An obtaining module 41, configured to obtain a real-time flow rate of a liquid medicine in a liquid medicine supply pipeline of a circuit board production line by using an ultrasonic flowmeter, where the liquid medicine supply pipeline is connected to a central medicine supply system and a production line liquid medicine tank;
and the control module 42 is used for controlling the automatic control valve of the liquid medicine supply pipeline according to the real-time liquid medicine flow, so that the liquid medicine adding process is controlled.
On the basis of any one of the above embodiments, the ultrasonic flow meter is fixed to the outer side wall of the liquid medicine supply pipeline through a fixed clamp.
On the basis of any of the above embodiments, the control module 42 is configured to:
And adjusting the automatic control valve according to the real-time liquid medicine flow and a preset target flow so as to keep the real-time liquid medicine flow at the preset target flow.
On the basis of any of the above embodiments, the control module 42 is configured to:
acquiring the accumulative liquid medicine adding amount according to the real-time liquid medicine flow;
and controlling the automatic control valve to be opened or closed according to the accumulated adding amount of the liquid medicine, the concentration of the liquid medicine and a preset target adding amount.
On the basis of any of the above embodiments, the obtaining module 41 is further configured to:
acquiring the intensity of a signal received by the ultrasonic flowmeter;
and controlling the intensity of the signal sent by the ultrasonic flowmeter according to the intensity of the signal received by the ultrasonic flowmeter and the preset signal intensity.
The device for controlling the liquid medicine in the manufacturing process of the circuit board provided by the embodiment of the invention can be specifically used for executing the method embodiments provided by the above figures 1 and 3-4, and specific functions are not described herein again.
According to the device for controlling the liquid medicine in the circuit board manufacturing process, the real-time liquid medicine flow in a liquid medicine supply pipeline in a circuit board production line is obtained by utilizing an ultrasonic flowmeter, wherein the liquid medicine supply pipeline is connected with a central medicine supply system and a production line liquid medicine tank; and controlling the automatic control valve of the liquid medicine supply pipeline according to the real-time liquid medicine flow, so that the liquid medicine adding process is controlled. In the embodiment, the real-time liquid medicine flow in the liquid medicine supply pipeline is obtained by adopting a non-contact flow measurement mode through the ultrasonic flowmeter, the liquid medicine supply pipeline does not need to be cut and subjected to other auxiliary treatments, the convenience and the safety of installation and maintenance are improved, the operation risk in the production process is reduced, potential safety hazards to workshop environment, production equipment and operators are avoided, meanwhile, the corrosion and the damage of the liquid medicine to the flowmeter are also effectively avoided, and the service life of the flowmeter is prolonged; in addition, the precision and the stability of the ultrasonic flowmeter are higher, the real-time liquid medicine flow can be monitored more quickly and accurately, the automatic control valve of the liquid medicine supply pipeline is controlled according to the real-time liquid medicine flow, the automation degree of the liquid medicine adding process in the circuit board manufacturing process is improved, the liquid medicine control accuracy is improved, and the quality stability of a circuit board product is improved.
Fig. 6 is a schematic structural diagram of a liquid medicine control device in a circuit board manufacturing process according to an embodiment of the present invention. As shown in fig. 6, the liquid medicine control device 50 in the circuit board manufacturing process includes an ultrasonic flowmeter 51, an automatic control valve 52, a memory 53, a processor 54, a computer program, and a communication interface 55; the ultrasonic flow meter 51 is used for acquiring the real-time liquid medicine flow in a liquid medicine supply pipeline in a circuit board production line, and the ultrasonic flow meter 51 can be fixed on the outer side wall of the liquid medicine supply pipeline through a fixed clamp; the automatic control valve 52 is arranged on the liquid medicine supply pipeline and is used for controlling the adding process of the liquid medicine in the liquid medicine supply pipeline; the computer program is stored in the memory 53 and is configured to be executed by the processor 54 in the liquid medicine control method in the circuit board manufacturing process described in the above embodiment.
In this embodiment, the processor 54 may be an integrated circuit chip having signal processing capability. In implementation, the steps of the above method may be performed by instructions in the form of hardware, integrated logic circuits, or software in the processor 54. The Processor 54 may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. The memory 53 may comprise a Random Access Memory (RAM) and may also comprise a non-volatile memory, such as at least one disk memory. The communication interface 55 may transmit and receive signals by wire or wirelessly, for example, the internet, a wide area network, a local network, a metropolitan area network, and the like may be used.
The liquid medicine control device in the manufacturing process of the circuit board shown in the embodiment of fig. 6 can be used for executing the technical scheme of the method embodiment, the implementation principle and the technical effect are similar, and details are not repeated here.
In addition, the present embodiment also provides a computer-readable storage medium, on which a computer program is stored, the computer program being executed by a processor to implement the method for controlling the liquid medicine in the manufacturing process of the circuit board according to the above embodiment.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It is obvious to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to perform all or part of the above described functions. For the specific working process of the device described above, reference may be made to the corresponding process in the foregoing method embodiment, which is not described herein again.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (12)
1. A method for controlling liquid medicine in a circuit board manufacturing process is characterized by comprising the following steps:
acquiring real-time liquid medicine flow in a liquid medicine supply pipeline of a circuit board production line by using an ultrasonic flowmeter, wherein the liquid medicine supply pipeline is connected with a central medicine supply system and a production line liquid medicine tank;
And controlling the automatic control valve of the liquid medicine supply pipeline according to the real-time liquid medicine flow, so that the liquid medicine adding process is controlled.
2. The method of claim 1, wherein the ultrasonic flow meter is secured to an outer sidewall of the liquid medicine supply conduit by a fixed clamp.
3. The method of claim 2, wherein the automatic control valve controlling the flow of the drug solution supply line based on the real-time drug solution flow comprises:
and adjusting the automatic control valve according to the real-time liquid medicine flow and a preset target flow so as to keep the real-time liquid medicine flow at the preset target flow.
4. The method of claim 2 or 3, wherein the automatic control valve controlling the flow of the drug solution supply line based on the real-time drug solution flow comprises:
acquiring the accumulative liquid medicine adding amount according to the real-time liquid medicine flow;
and controlling the automatic control valve to be opened or closed according to the accumulated adding amount of the liquid medicine, the concentration of the liquid medicine and a preset target adding amount.
5. The method of claim 1, further comprising:
acquiring the intensity of a signal received by the ultrasonic flowmeter;
And controlling the intensity of the signal sent by the ultrasonic flowmeter according to the intensity of the signal received by the ultrasonic flowmeter and the preset signal intensity.
6. A traditional Chinese medicine water control device in a circuit board manufacturing process is characterized by comprising:
the acquisition module is used for acquiring the real-time liquid medicine flow in a liquid medicine supply pipeline in a circuit board production line by using an ultrasonic flowmeter, wherein the liquid medicine supply pipeline is connected with a central medicine supply system and a production line liquid medicine tank;
and the control module is used for controlling the automatic control valve of the liquid medicine supply pipeline according to the real-time liquid medicine flow so as to control the adding process of the liquid medicine.
7. The apparatus of claim 6, wherein the ultrasonic flow meter is fixed to an outer sidewall of the liquid medicine supply line by a fixing clamp.
8. The apparatus of claim 7, wherein the control module is configured to:
and adjusting the automatic control valve according to the real-time liquid medicine flow and a preset target flow so as to keep the real-time liquid medicine flow at the preset target flow.
9. The apparatus of claim 7 or 8, wherein the control module is configured to:
Acquiring the accumulative liquid medicine adding amount according to the real-time liquid medicine flow;
and controlling the automatic control valve to be opened or closed according to the accumulated adding amount of the liquid medicine, the concentration of the liquid medicine and a preset target adding amount.
10. The apparatus of claim 6, wherein the obtaining module is further configured to:
acquiring the intensity of a signal received by the ultrasonic flowmeter;
and controlling the intensity of the signal sent by the ultrasonic flowmeter according to the intensity of the signal received by the ultrasonic flowmeter and the preset signal intensity.
11. A liquid medicine control device in a circuit board manufacturing process is characterized by comprising: the ultrasonic flowmeter, the automatic control valve, the memory and the processor;
the ultrasonic flowmeter is used for acquiring the real-time liquid medicine flow in a liquid medicine supply pipeline in a circuit board production line;
the automatic control valve is used for controlling the adding process of the liquid medicine in the liquid medicine supply pipeline;
the memory is used for storing a computer program;
the processor calls the computer program to perform the method according to any of claims 1-5.
12. A computer-readable storage medium, having stored thereon a computer program;
The computer program, when executed by a processor, implementing the method of any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910337767.6A CN111857191A (en) | 2019-04-25 | 2019-04-25 | Method, device and equipment for controlling liquid medicine in circuit board manufacturing process and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910337767.6A CN111857191A (en) | 2019-04-25 | 2019-04-25 | Method, device and equipment for controlling liquid medicine in circuit board manufacturing process and storage medium |
Publications (1)
| Publication Number | Publication Date |
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| CN111857191A true CN111857191A (en) | 2020-10-30 |
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Application publication date: 20201030 |