WO2023155360A1

WO2023155360A1 - Solenoid valve control system and method, and work machine

Info

Publication number: WO2023155360A1
Application number: PCT/CN2022/102348
Authority: WO
Inventors: 谢志强; 郝子新; 刘欣欣
Original assignee: 湖南三一中型起重机械有限公司
Priority date: 2022-02-16
Filing date: 2022-06-29
Publication date: 2023-08-24
Also published as: CN114527696A

Abstract

A solenoid valve control system and method, and a work machine. The solenoid valve control system generates an initial control signal by means of a control circuit (11) in a control unit (1), adjusts the initial control signal by means of a user input instruction acquired by a signal adjustment unit (12) to generate a target control signal for a solenoid valve corresponding to the user input instruction, and outputs the target control signal to the solenoid valve by means of an output unit (2). According to the solenoid valve control system, forced control of a corresponding solenoid valve is implemented by means of a target control signal, so that the solenoid valve can work normally; manual intervention is not needed, and the labor cost can be greatly reduced. Moreover, inspection and maintenance are not involved, the time for the solenoid valve and the work machine to recover to normal operation is shortened, the work machine is prevented from being always in a load state or a certain dangerous state, and the safety of the work machine is improved.

Description

Solenoid valve control system, method and working machine

technical field

The present application relates to the technical field of solenoid valve control, in particular to a solenoid valve control system, method and operating machine.

Background of the invention

During the on-site operation of the operating machinery, the whole or part of the electrical system may not work properly due to problems such as bus failure, controller failure, and line failure. The solenoid valve is a common part of the electrical system. Therefore, if the electrical system fails to work normally, all or part of the solenoid valves will not work, resulting in failure of the operating machinery.

In related technologies, when the electrical system fails to work normally and the electromagnetic valve fails to work, although the method of manual inspection and inspection can finally solve the problem, due to the long inspection and inspection time, the operating machinery may always be in a load state or a certain This dangerous state is prone to unpredictable dangers, resulting in low safety of operating machinery.

Contents of the invention

The present application provides a solenoid valve control system, method and operating machine to solve the defects in the related technology.

The application provides a solenoid valve control system, including: a control unit and an output unit, the control unit includes a control circuit and a signal adjustment unit; the control circuit is used to generate an initial control signal; the signal adjustment unit is used to obtain the user Input an instruction, adjust the initial control signal based on the user input instruction, and generate a target control signal of the electromagnetic valve corresponding to the user input instruction; the output unit is connected with the electromagnetic valve, and is used to connect the electromagnetic valve A target control signal is output to the solenoid valve.

According to a solenoid valve control system provided by the present application, the control unit further includes a hardware input device, and the hardware input device includes a proportional adjustment knob and/or a touch screen; the hardware input device is used to receive user input; the signal The adjusting unit is further configured to obtain the user input instruction in response to the user input.

According to an electromagnetic valve control system provided in the present application, the control unit further includes an on-off switch; the on-off switch is connected between the signal adjustment unit and the output unit.

According to the solenoid valve control system provided in the present application, when the proportional adjustment knob includes multiple numbers and the on-off switch includes multiple numbers, the proportional adjustment knob corresponds to the on-off switch one by one.

According to a solenoid valve control system provided by the present application, the output unit includes an output cable and a connector connected to one end of the output cable; the other end of the output cable is connected to the control unit; the connector Used to connect with the solenoid valve.

According to the solenoid valve control system provided in the present application, when the proportional adjustment knobs include a plurality and the output cables include a plurality, the proportional adjustment knobs correspond to the output cables one by one.

According to an electromagnetic valve control system provided in the present application, the connector includes a two-core interface and/or a three-core interface.

A solenoid valve control system provided according to the present application further includes: a power supply module connected to the control unit; the power supply module includes a power supply switch, and a lithium battery unit and/or a power supply interface.

The present application also provides a solenoid valve control method, including: acquiring a user input instruction, adjusting an initial control signal based on the user input instruction, and generating a target control signal of the solenoid valve corresponding to the user input instruction; A target control signal is output to the solenoid valve.

The present application also provides an operating machine, including: a solenoid valve; the solenoid valve is controlled based on the above solenoid valve control system.

The solenoid valve control system, method and operating machine provided by the application, the solenoid valve control system generates an initial control signal through the control circuit in the control unit; the initial control signal is adjusted through the user input instruction obtained by the signal adjustment unit to generate the user input The target control signal of the solenoid valve corresponding to the instruction; the target control signal is output to the solenoid valve through the output unit. The electromagnetic valve control system realizes the compulsory control of the corresponding electromagnetic valve through the target control signal, so that the electromagnetic valve can work normally without manual intervention, which can greatly reduce labor costs. Moreover, it does not involve inspection and maintenance, shortens the time for the solenoid valve and the operating machine to return to normal operation, avoids the operating machine being in a load state or a certain dangerous state, and improves the safety of the operating machine.

Brief description of the drawings

In order to more clearly illustrate the technical solutions in the present application or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are the For some embodiments of the present invention, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is one of the structural schematic diagrams of the solenoid valve control system provided by the present application.

Fig. 2 is the second structural schematic diagram of the solenoid valve control system provided by the present application.

Fig. 3 is a schematic flow chart of the solenoid valve control method provided by the present application.

FIG. 4 is a schematic structural diagram of an electronic device provided by the present application.

Ways to implement this application

In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings in this application. Obviously, the described embodiments are part of the embodiments of this application , but not all examples. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

Solenoid valves are widely used as the basic components of automation for controlling fluids. For example, a shifter in a vehicle uses solenoid valves to control shifting and selection between positions. As a special vehicle, work machinery also uses a large number of solenoid valves. Taking a crane as an example, it can include telescopic arm solenoid valves, rising and falling solenoid valves, hoisting and falling solenoid valves, slewing solenoid valves, outrigger telescopic solenoid valves, etc., and each solenoid valve is controlled by an electrical system.

During the on-site operation of the operating machinery, the whole or part of the electrical system may not work properly due to problems such as bus failure, controller failure, and line failure. The solenoid valve is a common part of the electrical system. Therefore, if the electrical system fails to work normally, all or part of the solenoid valves will not work, resulting in failure of the operating machinery. In related technologies, when encountering such a situation, service engineers or R&D personnel carry debugging equipment to the site for investigation, and only after the troubleshooting and maintenance are completed can the electromagnetic valve that cannot work normally in the working machine be controlled, or the electromagnetic valve that cannot work normally can be controlled on site. Temporary wiring is used to control the inoperable solenoid valve to work forcibly.

In the related technology, when the electrical system fails to work normally and the electromagnetic valve fails to work, although the method of manual intervention can finally solve the problem, it will increase the labor cost. Always in a load state or a certain dangerous state, prone to unpredictable dangers, resulting in low safety of the operating machinery. To this end, an electromagnetic valve control system is provided in an embodiment of the present application.

FIG. 1 is a solenoid valve control system provided in an embodiment of the present application, including: a control unit 1 and an output unit 2 , and the control unit 1 includes a control circuit 11 and a signal adjustment unit 12 .

The control circuit 11 is used to generate an initial control signal. The signal adjustment unit 12 is used to acquire user input instructions, adjust the initial control signal based on the user input instructions, and generate target control signals of the solenoid valve 3 corresponding to the user input instructions. The output unit 2 is used for connecting with the solenoid valve 3 and outputting the target control signal to the solenoid valve 3 .

Specifically, the solenoid valve control system provided in the embodiment of the present application can realize forced control of the solenoid valve. The solenoid valve under forced control is usually a solenoid valve that cannot work due to the failure of the electrical system. According to the working principle, it can include a proportional solenoid valve or a solenoid valve with other working principles. Proportional solenoid valve is a new type of hydraulic control device. On ordinary pressure valves, flow valves and directional valves, the proportional electromagnet is used to replace the original control part, and the pressure, flow or direction of the oil flow can be remotely controlled continuously and proportionally according to the input electrical signal. Proportional solenoid valves generally have pressure compensation performance, and the output pressure and flow can not be affected by load changes.

The solenoid valves subject to forced control can include telescopic arm solenoid valves, lifting and falling solenoid valves, winch lifting and falling solenoid valves, rotary solenoid valves and outrigger telescopic solenoid valves according to their functions and installation positions.

The solenoid valve control system may include a control unit 1 and an output unit 2, the control unit 1 is connected to the output unit 2, and the connection method may be an electrical connection or a communication connection, which is not specifically limited here. The control unit 1 can generate a target control signal of the solenoid valve to be controlled, and the output unit 2 can output the target control signal generated by the control unit 1 to the corresponding solenoid valve.

The control unit 1 can include a control circuit 11 and a signal conditioning unit 12, the control circuit 11 can generate an initial control signal, the control circuit 11 can be a pulse width modulation (Pulse Width Modulation, PWM) circuit, and the initial control signal generated can be a PWM Signal. The initial control signal is an initial value corresponding to the control signal of the solenoid valve. Different solenoid valves may correspond to the same initial control signal, or may correspond to different initial control signals, which are not specifically limited here. Here, the initial control signal may be a control signal for controlling the opening of the solenoid valve to a maximum.

The signal conditioning unit 12 can obtain a user input instruction, which can be used to represent an instruction corresponding to a state that the user needs the solenoid valve to achieve. Here, the user may be a relevant person who monitors the forced control of the solenoid valve, such as a service engineer or a research and development person. The state that the user requires the solenoid valve to reach may refer to a target opening that the solenoid valve needs to reach. For the proportional solenoid valve, the state that the user needs the solenoid valve to achieve may be the target ratio that the proportional solenoid valve needs to achieve.

In the control unit 1, a hardware input device for assisting in determining user input instructions may be configured, and the user operates the hardware input device so that the hardware input device can obtain user input. Thereafter, the signal conditioning unit 12 may convert the user input into a user input instruction. The hardware input device configured in the control unit 1 may be a control knob or a touch screen, which is not specifically limited here. Correspondingly, the user's operation on the hardware input device may be twisting the control knob, or directly inputting the operation on the touch screen.

After the signal adjustment unit 12 acquires the user input instruction, it can adjust the initial control signal generated by the control circuit 11 according to the user input instruction. Specifically, it can adjust the waveform of the initial control signal, such as adjusting the phase and amplitude of the initial control signal. and other parameters, so that the target control signal of the electromagnetic valve corresponding to the user input command obtained after adjustment can be used to control the corresponding electromagnetic valve to meet the user's demand, that is, to achieve the state of the electromagnetic valve required by the user.

The process of adjusting the initial control signal by the signal adjustment unit 12 can be understood as a process of adjusting the control circuit through the signal adjustment unit 12 to output the target control signal based on user input instructions.

In the embodiment of the present application, the signal adjustment unit 12 may be an adjustable resistor, such as a sliding rheostat, or a potentiometer, and the resistance of the potentiometer may be changed as required. In addition, the signal adjustment unit 12 may also be an adjustment switch circuit or an adjustment switch based on power or current, etc., which are not specifically limited here. The signal adjustment unit 12 may be connected in the control circuit, so as to adjust the initial control signal generated by the control circuit 11 after obtaining the user input instruction.

When the signal adjustment unit is an adjustable resistor or a potentiometer, the signal adjustment unit 12 has an initial resistance value, that is, the initial resistance value of the resistance of the adjustable resistance or potentiometer. When the signal adjustment unit 12 does not obtain the user input instruction, the control The circuit 11 is connected with an adjustable resistor whose resistance is an initial resistance, and an initial control signal is output to control the solenoid valve. When the signal adjustment unit is an adjustment switch circuit or an adjustment switch based on power or current, the signal adjustment unit 12 has an initial switch opening value, that is, an initial opening value of a switch in the adjustment switch circuit or an adjustment switch based on power or current, When the signal adjustment unit 12 does not obtain a user input instruction, the control circuit 11 is connected to a signal adjustment unit with an initial switch opening value, and outputs an initial control signal to control the solenoid valve.

In particular, the PWM circuit can have a microcontroller (Micro Controller Unit, MCU), which can be integrated with a control circuit 11 and a signal conditioning unit 12, and then can make the microcontroller a device capable of receiving user input instructions. , and output the initial control signal or the controller of the target control signal.

The output unit 2 is used to connect with the solenoid valve 3 corresponding to the user input command, that is, when the solenoid valve is forcibly controlled by the solenoid valve control system, the solenoid valve that needs to be forcibly controlled can be connected with the output unit 2 . Through the output unit 2, the target control signal obtained by the control unit 1 can be output to the solenoid valve 3, and then the forced control of the solenoid valve 3 can be realized to make the solenoid valve 3 work normally and ensure that the working machine returns to the working state.

It can be understood that, in the embodiment of the present application, the number of signal adjustment units 12 in the solenoid valve control system may be one or more, and each signal adjustment unit combined with an output unit corresponds to a control channel of the solenoid valve control system, each The control channel can be used to control a solenoid valve connected to the output unit, so the solenoid valve control system can simultaneously perform forced control on one or more solenoid valves.

The solenoid valve control system provided in the embodiment of the present application generates an initial control signal through the control circuit in the control unit; adjusts the initial control signal through the user input command obtained by the signal adjustment unit, and generates the target of the solenoid valve corresponding to the user input command Control signal; the target control signal is output to the solenoid valve through the output unit. The electromagnetic valve control system realizes the compulsory control of the corresponding electromagnetic valve through the target control signal, so that the electromagnetic valve can work normally without manual intervention, which can greatly reduce labor costs. Moreover, it does not involve inspection and maintenance, shortens the time for the solenoid valve and the operating machine to return to normal operation, avoids the operating machine being in a load state or a certain dangerous state, and improves the safety of the operating machine.

On the basis of the above embodiments, in the solenoid valve control system provided in the embodiments of the present application, the control unit further includes a hardware input device, and the hardware input device includes a proportional adjustment knob and/or a touch screen. The hardware input device is used for receiving the user input. The signal conditioning unit is further configured to obtain the user input instruction in response to the user input.

Specifically, in the embodiment of the present application, the hardware input device configured in the control unit can be either a proportional adjustment knob or a touch screen, and the user can rotate the proportional adjustment knob so that the proportional adjustment knob receives user input. The input is the user's rotation operation of the proportional adjustment knob, including the rotation direction and rotation angle.

In the signal adjustment unit, the state of the solenoid valve corresponding to each rotation angle in different rotation directions of the proportional adjustment knob can be stored, so the state of the solenoid valve corresponding to the user input can be determined through the corresponding relationship.

The user can also input the state that the solenoid valve needs to reach, such as target opening, target ratio, etc., on the touch screen.

Thereafter, the signal conditioning unit may respond to the user input and determine a user input instruction corresponding to the user input. If the signal adjustment unit is an adjustable resistor, the user input instruction obtained by the signal adjustment unit can be represented by the adjusted resistance value of the adjustable resistor.

In the embodiment of the present application, by configuring hardware input devices such as proportional adjustment knobs and touch screens in the control unit, user input and acquisition of user input instructions can be realized, which is convenient for introducing user needs and realizing personalized control of the solenoid valve.

On the basis of the above embodiments, the solenoid valve control system provided in the embodiments of the present application further includes an on-off switch. The on-off switch is connected between the signal conditioning unit and the output unit.

Specifically, in the embodiment of the present application, the control unit further includes an on-off switch, which can be connected between the signal adjustment unit and the output unit, and is used to control the solenoid valve connected to the output unit and corresponding to the signal adjustment unit. The on-off state of the on-off switch can be controlled by the user. When the output unit is not connected to the solenoid valve corresponding to the signal adjustment unit, the on-off switch is turned on. When the output unit is connected with a solenoid valve corresponding to the signal adjustment unit, the on-off and off-on are closed.

In the embodiment of the present application, an on-off switch is introduced between the signal adjustment unit and the output unit, and the user controls its on-off state, which can improve the safety of the solenoid valve control.

On the basis of the above embodiments, in the solenoid valve control system provided in the embodiments of the present application, when the proportional adjustment knob includes a plurality and the on-off switch includes a plurality, the proportional adjustment knob and the on-off switch The switches correspond one by one.

Specifically, in the embodiment of the present application, the proportional adjustment knob can include one or more, and each proportional adjustment knob can be used to receive a user input, that is, each corresponds to a signal adjustment unit, so the number of on-off switches can also be One or more, the on-off switch corresponds to the signal conditioning unit one by one. Further, each control channel of the solenoid valve control system corresponds to a proportional adjustment knob, an on-off switch and an output unit.

In the embodiment of the present application, an on-off switch is introduced between each signal adjustment unit and the output unit, and through the user's control of its on-off state, the solenoid valve control system can make each solenoid valve Independent control to avoid interference between solenoid valves.

Based on the above embodiments, the output unit of the solenoid valve control system provided in the embodiments of the present application includes an output cable and a connector connected to one end of the output cable. The other end of the output cable is connected to the control unit. The connector is used to connect with the solenoid valve.

Specifically, in the embodiment of the present application, the output unit may include an output cable and a connector connected to one end of the output cable. The connector may be matched with the solenoid valve for connection with the solenoid valve so that the solenoid valve is connected to the solenoid valve. Control System. The other end of this output cable is connected with the control unit, specifically can be connected with the on-off switch in the control unit.

The length of the output cable can be set as required, for example, it can be set to 3m, 5m, 10m, 50m, etc.

In the embodiment of the present application, the output cable is introduced into the output unit, and the application distance of the solenoid valve control system can be unlimited by adjusting the length of the output cable.

On the basis of the above-mentioned embodiments, in the solenoid valve control system provided in the embodiments of the present application, when the proportional adjustment knob includes a plurality and the output cable includes a plurality, the proportional adjustment knob and the output cable are one One to one correspondence.

Specifically, in the embodiment of the present application, since there may be one or more proportional adjustment knobs, the number of output cables may also be one or more, and the output cables correspond to the proportional adjustment knobs one by one. Further, each control channel of the solenoid valve control system corresponds to a proportional adjustment knob, an on-off switch, an output cable and a connector.

In the embodiment of the present application, the proportional adjustment knob corresponds to the output cable one by one, so that when the solenoid valve control system performs forced control on multiple solenoid valves, each solenoid valve can be independently controlled to avoid interference between solenoid valves.

Based on the above embodiments, the connector of the solenoid valve control system provided in the embodiments of the present application includes a two-core interface and/or a three-core interface.

Specifically, in the embodiment of the present application, the connector may include a two-core interface and/or a three-core interface. For example, it can be AT06-2S-X150 two-core interface or HM3250-03-0300 three-core interface or both, which can increase the types of solenoid valves that the solenoid valve control system can control, so that the solenoid valve control The application of the system is more extensive and the adaptability is strong.

On the basis of the above embodiments, the solenoid valve control system provided in the embodiments of the present application further includes: a power supply module connected to the control unit. The power supply module includes a power supply switch, and a lithium battery unit and/or a power supply interface.

Specifically, in the embodiment of the present application, the solenoid valve control system may further include a power supply module, which may be connected with the control unit and used to supply power to the entire solenoid valve control system. The power supply module may include a power supply switch, and the on-off state of the power supply switch can be controlled by the user. In addition, the power supply module may also include at least one of a lithium battery unit and a power supply interface. The power supply module can also include a protection circuit, which can have the functions of short circuit, overload and anti-reverse connection, so as to ensure the safety of the power supply module.

The lithium battery unit may include a lithium battery and a charging port, and the charging port may be connected to industrial power or household power through a charging cable to charge the lithium battery. The solenoid valve control system can work without additional power supply equipment through the lithium battery unit, which can realize the application of the solenoid valve control system when it is inconvenient to connect to industrial electricity or household electricity, and improve the portability of the solenoid valve control system . The output voltage of the lithium battery can be 24V.

The power supply interface can be connected with the battery of the equipment where the solenoid valve is located through the wire, and the solenoid valve control system can be powered through the battery, which can also get rid of the dependence of the solenoid valve control system on industrial electricity or household electricity during work. Here, the power supply interface can be connected from the battery when the lithium battery is dead or when a large current output is required on site.

In addition, the power supply interface can be directly connected to industrial electricity or household electricity through wires, so that the solenoid valve control system can be powered by industrial electricity or household electricity when working.

In the embodiment of the present application, a power supply module is introduced into the solenoid valve control system, which can improve the portability of the solenoid valve control system on the basis of ensuring the normal operation of the solenoid valve control system.

On the basis of the above embodiments, the solenoid valve control system provided in the embodiments of the present application further includes an outer protection box, and the outer protection box is used to package the solenoid valve control system. Correspondingly, the proportional adjustment knob and the on-off switch can be arranged on the upper surface of the outer protective box, the charging port and the power supply interface can be arranged on the left side of the outer protective box, and the connector of the output unit can be arranged on the front surface of the outer protective box.

When in use, the solenoid valve control system is connected to electricity or powered by its own lithium battery, close the power supply switch, find the solenoid valve to be controlled, connect the connector of the output unit to the corresponding solenoid valve, adjust the proportional adjustment knob, and close the on-off switch. The corresponding electromagnetic valve can be forced to act, so as to control the normal operation of the equipment where the electromagnetic valve is located.

As shown in Figure 2, the solenoid valve control system can include a power supply module 5, a control unit 1, an output unit 2 and an outer protective box 4, and the power supply module 5 includes a charging port 31, a power supply interface 32, a lithium battery 33 and a power supply switch 34 . The control unit 1 includes a control circuit 11 , N proportional adjustment knobs 13 and N on-off switches 14 corresponding to the proportional adjustment knobs. The output unit 2 includes N output cables 21 corresponding to the on-off switches 14 and N connectors 22 corresponding to the output cables.

As shown in FIG. 3 , on the basis of the above embodiments, an embodiment of the present application provides a method for controlling a solenoid valve, including the following steps.

S1. Obtain a user input instruction, adjust an initial control signal based on the user input instruction, and generate a target control signal of the solenoid valve corresponding to the user input instruction.

S2. Outputting the target control signal to the solenoid valve.

Specifically, the solenoid valve control method provided in the embodiment of the present application is executed by a solenoid valve control system, specifically, a control unit in the solenoid valve control system.

The initial control signal can be generated by the control circuit in the control unit first, then step S1 is executed by the signal conditioning unit, and finally step S2 is executed by the output unit. For the specific execution process, refer to the above-mentioned system embodiments, which will not be repeated here.

The solenoid valve control method provided in the embodiment of the present application first obtains the user input instruction, and adjusts the initial control signal through the user input instruction to generate the target control signal of the electromagnetic valve corresponding to the user input instruction; finally outputs the target control signal to The electromagnetic valve. The electromagnetic valve control method realizes the compulsory control of the corresponding electromagnetic valve through the target control signal, so that the electromagnetic valve can work normally without manual intervention, which can greatly reduce labor costs. Moreover, it does not involve inspection and maintenance, shortens the time for the solenoid valve and the operating machine to return to normal operation, avoids the operating machine being in a load state or a certain dangerous state, and improves the safety of the operating machine.

On the basis of the above embodiments, an operating machine is provided in the embodiments of the present application, including: a solenoid valve.

The solenoid valves in the working machine are controlled based on the solenoid valve control systems provided in the above embodiments.

Specifically, each solenoid valve included in the work machine provided in the embodiments of the present application can be controlled by the solenoid valve control system provided in the above-mentioned embodiments.

Here, the working machinery involved may include: at least one of drilling machinery, hoisting machinery, excavating machinery, loading machinery, carrying machinery, municipal machinery, crushers, and vehicles driven by drivers. Excavation machinery is a working machine used to dig mines. A loading machine is a working machine used to load goods into a carrying machine. The loading machine includes at least one of a hydraulic excavator, an electric excavator, and a wheel loader. Carrying machinery is a working machine used to carry goods. Municipal machinery is used for cleaning and beautifying urban roads, such as sweepers, sprinklers and vacuum cleaners. A crusher is an operating machine that crushes earth and rocks fed from a carrier.

FIG. 4 illustrates a schematic diagram of the physical structure of an electronic device. As shown in FIG. 4, the electronic device may include: a processor (processor) 410, a communication interface (Communications Interface) 420, a memory (memory) 430 and a communication bus 440, Wherein, the processor 410 , the communication interface 420 , and the memory 430 communicate with each other through the communication bus 440 . The processor 410 can call the logic instructions in the memory 430 to execute the solenoid valve control methods provided in the above-mentioned embodiments, the method includes: obtaining user input instructions, and adjusting the initial control signal based on the user input instructions to generate The target control signal of the solenoid valve corresponding to the user input command; outputting the target control signal to the solenoid valve.

In addition, the above logic instructions in the memory 430 may be implemented in the form of software function units and be stored in a computer-readable storage medium when sold or used as an independent product. Based on this understanding, the essence of the technical solution of the present application or the part that contributes to the related technology or the part of the technical solution can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several The instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disc, etc., which can store program codes. .

In an embodiment, an electronic device may include: a processor; and a memory for storing computer-executable instructions. The processor is configured to execute computer-executable instructions to implement the solenoid valve control method of the above embodiment.

On the other hand, the present application also provides a computer program product, the computer program product includes a computer program stored on a non-transitory computer-readable storage medium, the computer program includes program instructions, and when the program instructions are executed by a computer During execution, the computer can execute the solenoid valve control method provided in each of the above embodiments, the method includes: acquiring a user input instruction, adjusting the initial control signal based on the user input instruction, and generating a solenoid valve corresponding to the user input instruction. A target control signal for the valve; outputting the target control signal to the solenoid valve.

In yet another aspect, the present application also provides a non-transitory computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor of an electronic device, the electronic device is able to perform the functions provided in the above-mentioned embodiments. A solenoid valve control method, the method comprising: acquiring a user input instruction, adjusting an initial control signal based on the user input instruction, generating a target control signal of the solenoid valve corresponding to the user input instruction; outputting the target control signal to the solenoid valve.

The device embodiments described above are only illustrative, and the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in One place, or it can be distributed to multiple network elements. Part or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. It can be understood and implemented by those skilled in the art without any creative efforts.

Through the above description of the implementations, those skilled in the art can clearly understand that each implementation can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware. Based on this understanding, the essence of the above technical solutions or the part that contributes to related technologies can be embodied in the form of software products, and the computer software products can be stored in computer-readable storage media, such as ROM/RAM, disk , CD, etc., including several instructions to make a computer device (which may be a personal computer, server, or network device, etc.) execute the methods described in each embodiment or some parts of the embodiments.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present application.

Claims

A solenoid valve control system, comprising: a control unit and an output unit, the control unit including a control circuit and a signal adjustment unit;

The control circuit is used to generate an initial control signal;

The signal adjustment unit is used to acquire a user input instruction, adjust the initial control signal based on the user input instruction, and generate a target control signal of the solenoid valve corresponding to the user input instruction;

The output unit is connected with the solenoid valve for outputting the target control signal to the solenoid valve.
The solenoid valve control system according to claim 1, wherein the control unit further includes a hardware input device, and the hardware input device includes a proportional adjustment knob and/or a touch screen;

The hardware input device is used to receive user input;

The signal conditioning unit is further configured to obtain the user input instruction in response to the user input.
The solenoid valve control system according to claim 2, wherein the control unit further comprises an on-off switch;

The on-off switch is connected between the signal conditioning unit and the output unit.
The solenoid valve control system according to claim 3, wherein, when the proportional adjustment knob includes a plurality and the on-off switch includes a plurality, the proportional adjustment knob corresponds to the on-off switch one by one.
The solenoid valve control system according to any one of claims 1 to 4, wherein the signal conditioning unit comprises an adjustable resistor and/or an adjustable switch.
The solenoid valve control system according to claim 5, wherein the adjustable resistance comprises: a sliding rheostat or a potentiometer.
The solenoid valve control system according to any one of claims 2 to 6, wherein the output unit includes an output cable and a connector connected to one end of the output cable;

The other end of the output cable is connected to the control unit;

The connector is used for connecting with the electromagnetic valve.
The solenoid valve control system according to claim 7, wherein, when the proportional adjustment knobs include a plurality and the output cables include a plurality, the proportional adjustment knobs correspond to the output cables one by one.
The solenoid valve control system according to claim 7 or 8, wherein the connector includes a two-core interface and/or a three-core interface.
The solenoid valve control system according to any one of claims 1 to 9, further comprising: a power supply module connected to the control unit;

The power supply module includes a power supply switch, and a lithium battery unit and/or a power supply interface.
The solenoid valve control system according to claim 10, wherein the power supply module further includes a protection circuit.
The solenoid valve control system according to claim 10 or 11, wherein the lithium battery unit includes a lithium battery and a charging port, and the charging port is connected to industrial electricity or household electricity through a charging line to provide power for the lithium battery. Charge.
A solenoid valve control system according to any one of claims 1 to 12, wherein the control circuit comprises a pulse width modulation circuit.
The solenoid valve control system according to any one of claims 1 to 13, further comprising: an outer protective box for packaging the solenoid valve control system.
A method for controlling a solenoid valve, comprising:

Obtaining a user input instruction, and adjusting the initial control signal based on the user input instruction, and generating a target control signal of the solenoid valve corresponding to the user input instruction;

The target control signal is output to the solenoid valve.
An operating machine, comprising: a solenoid valve;

The solenoid valve is controlled based on the solenoid valve control system according to any one of claims 1-14.
The work machine according to claim 15, wherein the work machine comprises: at least one of a drilling machine, a hoisting machine, an excavating machine, a loading machine, a carrying machine, a municipal machine, a crusher, and a vehicle driven by a driver. kind.
An electronic device comprising:

processor;

memory for storing computer-executable instructions;

The processor is configured to execute the computer-executable instructions to implement the solenoid valve control method described in claim 15 above.
A computer program product comprising a computer program stored on a non-transitory computer-readable storage medium, the computer program comprising program instructions that, when executed by a computer, the computer is capable of performing The electromagnetic valve control method described in claim 15 above.
A non-transitory computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor of an electronic device, the electronic device can execute the solenoid valve control method described in claim 15 above.