CN219866532U - Digital electric actuator main controller - Google Patents
Digital electric actuator main controller Download PDFInfo
- Publication number
- CN219866532U CN219866532U CN202321196711.1U CN202321196711U CN219866532U CN 219866532 U CN219866532 U CN 219866532U CN 202321196711 U CN202321196711 U CN 202321196711U CN 219866532 U CN219866532 U CN 219866532U
- Authority
- CN
- China
- Prior art keywords
- actuator
- mode
- power supply
- electric actuator
- digital electric
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000010355 oscillation Effects 0.000 claims description 6
- 230000001629 suppression Effects 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Control Of Electric Motors In General (AREA)
Abstract
The utility model discloses a main controller of a digital electric actuator, which comprises a main control board and a display screen, wherein the main control board comprises a power supply module, a working mode display column, a current state column, a switch button, an encoder and a valve moment switch; the main control board is suitable for a three-phase power supply and a single-phase power supply, a three-phase power supply wire is connected with a three-phase motor, and a single-phase power supply wire is connected with a single-phase motor; the display screen comprises valve position opening indication, a state area, an alarm area and working mode contents, and the working mode comprises menu page numbers; the working modes comprise a field mode for controlling the actuator, a stop mode for prohibiting the actuator from acting and a remote mode for enabling the actuator to act according to a remote command signal; and the menu page number is determined by the valve opening direction of the actuator and the dead zone of the actuator. The utility model avoids the overcurrent condition of the motor caused by locked rotor, thereby realizing monitoring and alarming, having the advantages of safe and reliable operation and simple and convenient operation.
Description
Technical Field
The utility model relates to the technical field of electric actuator control instruments and meters, in particular to a digital electric actuator main controller.
Background
At present, an electric actuator takes electric energy as power, receives standard signals (analog quantity or digital quantity) of upper instruments such as a regulator, a DCS, a PLC and the like, and automatically changes operation variables (valves, regulating valves, air doors, butterfly valves, opening of baffles and the like) by changing the signals into corresponding mechanical displacements (angular strokes, straight strokes or multiple rotations) of the valves so as to achieve the aim of automatically regulating regulated parameters (temperature, pressure, flow, liquid level and the like) according to preset requirements. The operation stability of the system has great influence on the safe operation, reliability and quality of the automatic regulating system, and is the most important bottom equipment in the process industry.
With the continuous development of electronic technology, the performance requirements on an electric actuator in industrial process control are increasingly improved, the existing electric actuator controller generally adopts simple analog signal control, and has the defects of low reliability and lack of fault alarming measures based on PLC or simple singlechip control.
In order to solve the problems, the patent with the Chinese patent application number of CN201320144837.4 discloses an intelligent controller of an electric actuator, which comprises a main control chip, a power module, a detection part, a motor driving module, a man-machine interface and a remote communication interface, wherein the running state and the alarm of the electric actuator are detected through a phase sequence, temperature, torque and position detection module of the detection part; after the 32-bit main control chip receives the detected data, a control signal is output through operation to drive a motor driving module, so that the action control of the motor is realized. The intelligent controller of the electric actuating mechanism in the patent has the following defects: whether the motor is locked or not can not be timely and accurately monitored, so that the motor can be caused to have an overcurrent condition due to locked rotation.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a digital electric actuator main controller.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the digital electric actuator main controller comprises a main control board and a display screen, wherein the main control board comprises a power supply module, a working mode display column, a current state column, a switch button, an encoder and a valve moment switch; the main control board is suitable for a three-phase power supply and a single-phase power supply, a three-phase power supply wire is connected with a three-phase motor, and a single-phase power supply wire is connected with a single-phase motor;
the display screen comprises valve position opening indication, a state area, an alarm area and working mode contents, and the working mode comprises menu page numbers.
As still further aspects of the utility model: the operation modes include a field mode for controlling the actuator, a stop mode for prohibiting the actuator from operating, and a remote mode for operating the actuator in response to a remote command signal.
As still further aspects of the utility model: the menu page number is composed of an actuator valve opening direction, an actuator dead zone, an actuator return difference, a calibration input current reference point, a calibration output current reference point, an advanced menu entering, a two-wire control mode, a signal breaking protection mode, an ESD command, a motor braking time, a phase failure protection function switch, a locked rotor detection time, an alarm relay function configuration, a mechanical stroke limit and an End.
As still further aspects of the utility model: the default configuration of the dead zone of the actuator is 1.5%, and the value range is 0.1% -9.9%.
As still further aspects of the utility model: the actuator return difference comprises a manual mode and an automatic matching mode;
the return difference value of the manual mode is 0.1% -9.9%, and the oscillation dynamic suppression function is closed; the magnitude of the return difference value of the automatic matching mode is automatically processed and matched by an executing mechanism, and meanwhile, the oscillation dynamic suppression function is started.
As still further aspects of the utility model: the entering advanced menu comprises a two-wire control mode, motor braking time, alarm relay configuration and mechanical travel limit.
As still further aspects of the utility model: the two-wire control mode comprises a signal-off protection mode and an ESD command, wherein the ESD command is higher than all other commands;
the motor braking time consists of a phase-failure protection function switch and a locked rotor detection time, wherein the default configuration of the locked rotor detection time is 3 seconds, and the value range is 0-60 seconds;
the default configuration of the motor braking time is 40 milliseconds, and the value range is 20-99 milliseconds.
As still further aspects of the utility model: the display screen is a segment liquid crystal display screen.
Compared with the prior art, the utility model provides the main controller of the digital electric actuating mechanism, which has the following beneficial effects:
1. the digital electric actuator main controller is provided with the menu page number, so that the action parameters of the electric actuator are conveniently modified, after the locked rotor detection time is used for configuring a command of the control system for controlling the action of the actuator to be sent, the encoder detects that the actuator does not act until the time of generating a motor locked rotor alarm is reached, and the overcurrent condition of the motor caused by locked rotor is avoided, thereby realizing monitoring alarm, having the advantages of safe and reliable operation and simple and convenient operation.
2. According to the main controller of the digital electric actuator, by arranging the main control board with higher integration degree, the response time of the system and the speed of accessing a network are greatly improved, and the amount of information which can be transmitted is greatly increased; the electric actuator is operated and controlled by the main control panel, and the display screen is used for displaying the running state of the electric actuator, so that the man-machine interface is visual and convenient to operate.
3. The digital electric actuator main controller determines a working mode according to the actual condition of the electric actuator during use, places a working mode selection knob at a 'site' position, and controls an actuator by using an 'operation knob'; placing the operating mode selection knob in a "stop" position, wherein the action of the actuator is inhibited; the working mode selection knob is placed at the 'remote' position, the actuator can act according to the remote command signal, and the action parameters of the electric actuator are modified through menu page numbers, so that the operation is convenient, and the operation accuracy and the safety of the actuator are ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a main controller of a digital electric actuator according to the present utility model;
FIG. 2 is a schematic diagram of a display screen interface of a main controller of a digital electric actuator according to the present utility model;
FIG. 3 is a schematic diagram of a single-phase connection of a main controller of a digital electric actuator according to the present utility model;
FIG. 4 is a schematic diagram of three-phase wiring of a digital electric actuator master controller according to the present utility model;
FIG. 5 is a schematic diagram of the wiring of the single-phase extended external contactor of the main controller of the digital electric actuator according to the present utility model;
fig. 6 is a schematic diagram of wiring of a three-phase extended external contactor of a digital electric actuator main controller according to the present utility model.
In the figure: a main control board 1, a display screen 2, a single-phase power supply 3, a three-phase power supply 301, a single-phase motor 4 and a three-phase motor 401.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
The digital electric actuator main controller, as shown in figures 1-6, comprises a main control panel 1 and a display screen 2 for displaying the running state of the actuator; the main control board 1 comprises a power module for supplying power to the main control board 1, a working mode display column, a current state column, a switch button, an encoder and a valve moment switch for controlling the stroke and limiting protection of mechanical equipment; the display screen 2 is adopted, so that the human-computer interface is visual and convenient to operate.
Further, the main control board 1 is adapted to a three-phase power supply 301 and a single-phase power supply 3, the three-phase power supply 301 is connected with a three-phase motor 401 through a wire, and the single-phase power supply 3 is connected with a single-phase motor 4 through a wire.
As shown in fig. 2, the display screen 2 includes valve position opening indication [ 100% ], status region [ Err ], alarm region [ 01 ] and operation mode [ remote ], where the operation mode includes a field mode for controlling the actuator, a stop mode for prohibiting the actuator from operating, and a remote mode for enabling the actuator to operate according to a remote command signal; during use, the working mode selection knob is placed at a 'field' position, and the actuator is controlled by using the 'operation knob'; placing the operating mode selection knob in a "stop" position, wherein the action of the actuator is inhibited; the operating mode selection knob is placed in a "remote" position and the actuator is actuated in response to the remote command signal.
Further, the working mode further comprises menu page numbers, and the menu page numbers can be entered by rotating the operation knob to move up and down once in the stop working mode;
additionally, the menu page number is composed of an actuator valve opening direction, an actuator dead zone, an actuator return difference, a calibration input current reference point, a calibration output current reference point, an enter advanced menu, a two-wire control mode (only on-off active), an off signal protection mode (only on-off active), an ESD command, a motor braking time (only single-phase control board has this option), a phase-loss protection function switch (only three-phase control board has this option), a lock-up detection time, an alarm relay function configuration, a mechanical travel limit, and End indicating completion/End of menu parameter modification.
Preferably, the valve opening direction of the actuator is used for matching valves in different valve opening directions, and the running direction of the motor, the limit switch direction and the data direction of the encoder can be reversed at the same time;
preferably, the actuator dead zone is used to indicate a deviation value between a given signal of the actuator in the automatic adjustment mode and the valve position of the actuator; the smaller the value, the more sensitive the actuator, but the smaller the dead zone value can cause the vibration of the actuator, the default configuration of the dead zone of the actuator is 1.5%, and the value range is 0.1% -9.9%.
Preferably, the actuator return difference is used for adjusting the moment when the actuator disconnects the motor in the automatic adjustment mode so as to be matched with the idle running amount of the motor; the return difference of the actuator comprises a manual mode and an automatic matching mode, wherein the return difference value of the manual mode is 0.1% -9.9%, and the oscillation dynamic suppression function is closed; the magnitude of the return difference value of the automatic matching mode is automatically processed and matched by an executing mechanism, and meanwhile, the oscillation dynamic suppression function is started.
Preferably, the calibration input current reference point is used for calibrating the reference point of the input current.
Preferably, the calibration output current reference point is used for calibrating the reference point of the output current, and the current output end outputs the corresponding reference current, so that the accuracy can be measured by using a universal meter.
Preferably, the entering advanced menu comprises a two-wire control mode, motor braking time, alarm relay configuration and mechanical travel limit; the two-wire control mode is divided into a signal-off protection mode and an ESD command [ emergency control command ];
further preferably, the off signal protection mode is used for selecting a preset command of the actuator after the input signal is interrupted in the remote mode;
it is further preferred that the emergency control command (ESD) is at the highest priority over all other commands.
It is further preferred that the default state is not entered into the advanced menu.
As a supplement, the motor braking time consists of a phase-failure protection function switch and a locked rotor detection time;
further preferably, the motor braking time is used for braking force configuration of the single-phase actuating mechanism, the default configuration of the motor braking time is 40 milliseconds, and the value range is 20-99 milliseconds.
Preferably, the open-phase protection function switch is used to select whether the open-phase protection function of the three-phase power supply 301 is on.
Preferably, after the locked rotor detection time is used for configuring a command of the control system for controlling the action of the executing mechanism to be sent, the encoder detects that the executing mechanism does not act until the time for generating a motor locked rotor alarm; the default configuration of the lock-rotor detection time is 3 seconds, and the value range is 0-60 seconds.
Preferably, the alarm relay functional configuration comprises the contents of power supply open-phase, encoder fault, open-over moment, close-over moment, motor locked-rotor, motor overheat, remote signal loss, comprehensive alarm signals with simultaneous remote switch signals and the like.
Preferably, the mechanical stroke limit is used for selecting whether the mechanical stroke limit function is on.
Working principle: the electric actuator is operated and controlled through the main control board 1, and the display screen 2 is used for displaying the running state of the electric actuator, so that the man-machine interface is visual and the operation is convenient. During use, a working mode is determined according to the actual condition of the electric executing mechanism, a working mode selection knob is placed at a 'site' position, and an actuator is controlled by using an 'operation knob'; placing the operating mode selection knob in a "stop" position, wherein the action of the actuator is inhibited; the working mode selection knob is placed at the 'remote' position, the actuator can act according to the remote command signal, and the action parameters of the electric actuator are modified through menu page numbers, so that the operation is convenient, and the operation accuracy and the safety of the actuator are ensured.
Example 2
The digital electric actuator main controller, as shown in fig. 1-2, is supplemented with the following on the basis of embodiment 1: the processor adopts STM32F103 series ARM processors with high-performance and low-power consumption Cortex-M3 cores;
the encoder uses a 12-bit absolute value encoder.
The display screen 2 is a segment liquid crystal display screen.
Working principle: the electric actuator is operated and controlled through the main control board 1, and the display screen 2 is used for displaying the running state of the electric actuator, so that the man-machine interface is visual and the operation is convenient. During use, a working mode is determined according to the actual condition of the electric executing mechanism, a working mode selection knob is placed at a 'site' position, and an actuator is controlled by using an 'operation knob'; placing the operating mode selection knob in a "stop" position, wherein the action of the actuator is inhibited; the working mode selection knob is placed at the 'remote' position, the actuator can act according to the remote command signal, and the action parameters of the electric actuator are modified through menu page numbers, so that the operation is convenient, and the operation accuracy is ensured.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The digital electric actuator main controller comprises a main control board (1) and a display screen (2), and is characterized in that the main control board (1) comprises a power supply module, a working mode display column, a current state column, a switch button, an encoder and a valve moment switch; the main control board (1) is suitable for a three-phase power supply (301) and a single-phase power supply (3), a three-phase motor (401) is connected to a lead of the three-phase power supply (301), and a single-phase motor (4) is connected to a lead of the single-phase power supply (3);
the display screen (2) comprises valve position opening indication, a state area, an alarm area and working mode contents, and the working mode comprises menu page numbers.
2. The digital electric actuator master controller of claim 1 wherein the operating modes include a field mode for controlling the actuator, a stop mode for disabling actuation of the actuator, and a remote mode for actuating the actuator in response to a remote command signal.
3. The digital electric actuator master controller of claim 2, wherein the menu page number is comprised of an actuator valve opening direction, an actuator dead zone, an actuator return difference, a calibration input current reference point, a calibration output current reference point, an advanced menu entered, a two-wire control mode, a signal off protection mode, an ESD command, a motor braking time, a phase loss protection function switch, a lock-up detection time, an alarm relay function configuration, a mechanical travel limit, and End.
4. The digital electric actuator master controller of claim 3 wherein the default configuration of the actuator dead zone is 1.5% and the range of values is 0.1% -9.9%.
5. The digital electric actuator master controller of claim 4, wherein the actuator return difference comprises a manual mode and an automatic matching mode;
the return difference value of the manual mode is 0.1% -9.9%, and the oscillation dynamic suppression function is closed; the magnitude of the return difference value of the automatic matching mode is automatically processed and matched by an executing mechanism, and meanwhile, the oscillation dynamic suppression function is started.
6. The digital electric actuator master controller of claim 5, wherein the enter advanced menu includes a two-wire control mode, a motor braking time, an alarm relay configuration, and a mechanical travel limit.
7. The digital electric actuator master controller of claim 6, wherein the two-wire control mode includes an off-signal protection mode and an ESD command, the ESD command being prioritized over all other commands;
the motor braking time consists of a phase-failure protection function switch and a locked rotor detection time, wherein the default configuration of the locked rotor detection time is 3 seconds, and the value range is 0-60 seconds;
the default configuration of the motor braking time is 40 milliseconds, and the value range is 20-99 milliseconds.
8. The digital electric actuator main controller according to claim 1, characterized in that the display screen (2) is a segment liquid crystal display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321196711.1U CN219866532U (en) | 2023-05-18 | 2023-05-18 | Digital electric actuator main controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321196711.1U CN219866532U (en) | 2023-05-18 | 2023-05-18 | Digital electric actuator main controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866532U true CN219866532U (en) | 2023-10-20 |
Family
ID=88345367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321196711.1U Active CN219866532U (en) | 2023-05-18 | 2023-05-18 | Digital electric actuator main controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866532U (en) |
-
2023
- 2023-05-18 CN CN202321196711.1U patent/CN219866532U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105756135B (en) | Frequency conversion constant voltage water supply intelligence control system based on thing networking | |
| CN112526868B (en) | Control method of secondary pressurization domestic water supply system | |
| CN102368677A (en) | Intelligent alternating current frequency conversion control system of electric actuator | |
| CN113359603B (en) | Vacuum jet siphon drainage equipment monitoring system based on PLC | |
| WO2022052186A1 (en) | Hydraulic pump control method and device, and medical water jet scalpel | |
| CN219866532U (en) | Digital electric actuator main controller | |
| CN204886764U (en) | Servo electric actuator | |
| CN201066831Y (en) | Frequency conversion execution mechanism for DC brushless servo electromotor | |
| CN102644616B (en) | A kind of control system | |
| CN111007835A (en) | Control device and control method for faults of main sensor of speed regulator | |
| CN111232846B (en) | Safety control device and method and crane moment safety monitoring system | |
| CN110825016A (en) | Double-frequency-conversion automatic control system of non-negative-pressure water supply equipment and implementation method thereof | |
| CN102561460A (en) | Intelligent variable-frequency constant-pressure water supply system | |
| CN202120061U (en) | Intelligent control system of electric actuating mechanism | |
| CN201013578Y (en) | Air compressor and controlling mechanism | |
| CN215928542U (en) | Valve control device | |
| CN101840209A (en) | Intelligent electric actuating mechanism | |
| CN201215078Y (en) | Intelligent pressure display controlling and gas supply pressure automatic regulating device for air compressor | |
| CN201303306Y (en) | Frequency conversion energy-saving control system of triple-split three-phase ac motor | |
| CN212360961U (en) | Automatic control system of valve actuator | |
| CN214994342U (en) | Constant pressure frequency conversion water supply system based on ACS510 frequency converter | |
| CN2138309Y (en) | Automatic water supply installation controlled by PLC | |
| CN112558552A (en) | Open-loop stepping servo controller, servo control system and servo control method | |
| CN111963747A (en) | Automatic control system of valve actuator | |
| CN216867170U (en) | Visual touch system of servo hydraulic power unit of testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |