CN112650127A - Electrostatic powder coating control device and electrostatic powder coating control method - Google Patents
Electrostatic powder coating control device and electrostatic powder coating control method Download PDFInfo
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- 239000011248 coating agent Substances 0.000 title claims abstract description 30
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000005507 spraying Methods 0.000 claims abstract description 68
- 238000004891 communication Methods 0.000 claims abstract description 66
- 230000008054 signal transmission Effects 0.000 claims description 35
- 239000007921 spray Substances 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 5
- MKGHDZIEKZPBCZ-ULQPCXBYSA-N methyl (2s,3s,4r,5r,6r)-4,5,6-trihydroxy-3-methoxyoxane-2-carboxylate Chemical compound CO[C@H]1[C@H](O)[C@@H](O)[C@H](O)O[C@@H]1C(=O)OC MKGHDZIEKZPBCZ-ULQPCXBYSA-N 0.000 claims 23
- 230000003068 static effect Effects 0.000 abstract 1
- 101100236764 Caenorhabditis elegans mcu-1 gene Proteins 0.000 description 56
- 230000010354 integration Effects 0.000 description 4
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- 101150008604 CAN1 gene Proteins 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 229940098458 powder spray Drugs 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000013035 low temperature curing Methods 0.000 description 1
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- 238000002844 melting Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
- B05B16/25—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations for both automatic and manual spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/081—Plant for applying liquids or other fluent materials to objects specially adapted for treating particulate materials
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Automation & Control Theory (AREA)
- Electrostatic Spraying Apparatus (AREA)
Abstract
The application discloses static powder coating controlling means includes: the system comprises a main control MCU, an automatic control assembly in communication connection with the main control MCU, and a manual control assembly in communication connection with the main control MCU; the spraying control assembly is in communication connection with the master control MCU; and the storage module is used for internally setting the formula parameters and is in communication connection with the master control MCU. The application also discloses an electrostatic powder coating control method, which comprises the electrostatic powder coating control device; the method comprises the steps that firstly, the external control equipment is connected with the interface of a main control MCU, and the main control MCU can judge the category of the external control equipment connected with the main control MCU by detecting signals of a plurality of different interfaces. The automatic powder spraying control system can realize the automatic control of the formula of digital communication control, powder distribution gas, powder feeding gas and clean air, can realize the management control of the formula of spraying parameters, is suitable for the control of a manual powder spraying gun, an automatic powder spraying gun and an automatic rotary cup, and meets the requirement of high-quality spraying of various workpieces.
Description
Technical Field
The present disclosure generally relates to the field of powder coating control technologies, and in particular, to an electrostatic powder coating control device and an electrostatic powder coating control method.
Background
The electrostatic powder spraying is to make the charged coating powder firmly adsorbed on the surface of a workpiece by utilizing the acting force of an electrostatic field on charged particles, and the powder layer forms a solid coating on the surface of the workpiece after high-temperature baking, melting, leveling and low-temperature curing. The electrostatic powder spraying control device is used as a key device for electrostatic powder coating, is high in price, low in openness of device parameters and high in device integration difficulty, and the parameter adjustment of a domestic control device is basically adjusted manually, so that artificial control factors are high, the requirement on the technical knowledge of field operators is high, and the requirement on high-quality spraying is difficult to achieve; in addition, the existing electrostatic powder control device integrates an electrostatic generating circuit and a control device circuit into a control box, so that the electrostatic powder control device has the disadvantages of large electrostatic interference, high equipment fault path and high maintenance cost.
Disclosure of Invention
In view of the above-described drawbacks and deficiencies of the prior art, it is desirable to provide an electrostatic powder coating control device and an electrostatic powder coating control method.
An electrostatic powder coating control device comprising: the system comprises a main control MCU, an automatic control assembly in communication connection with the main control MCU, and a manual control assembly in communication connection with the main control MCU; the spraying control assembly is in communication connection with the master control MCU; the storage module is in communication connection with the master control MCU and used for storing the built-in formula parameters;
the spray control assembly includes: the spraying device comprises a pneumatic control module used for controlling the work of a pneumatic control valve and connected with a master control MCU, and a voltage current control module used for controlling spraying voltage and spraying current and connected with the master control MCU;
the automatic control assembly includes: the automatic signal transmission module is used for receiving an external automatic trigger signal and is in communication connection with the main control MCU; when the automatic signal transmission module receives the automatic trigger control signal, the main control MCU calls corresponding formula parameters in the storage module according to the automatic trigger control signal and starts the spraying control assembly;
the manual control assembly includes: the system comprises a manual signal transmission module and an input module, wherein the manual signal transmission module is used for receiving an external manual trigger signal and is in communication connection with a master control MCU (microprogrammed control unit); when the manual signal transmission module receives a manual trigger control signal, the main control MCU calls corresponding formula parameters from the storage module according to the formula parameters selected by the input module to start the spraying control assembly.
According to the technical scheme provided by the embodiment of the application, the input module comprises a key panel and a serial port display screen, wherein the key panel is used for inputting and is in communication connection with the master control MCU, and the serial port display screen is used for displaying parameters and editing formula parameters and is in communication connection with the master control MCU.
According to the technical scheme that this application embodiment provided, gas accuse module includes: the air control valve signal processing module is used for connecting the air control valve and is connected with the main control MCU, the air pressure acquisition module is used for acquiring air inlet pressure and is connected with the main control MCU, and the main air inlet electromagnetic valve is used for controlling the opening and closing of the main air inlet valve of the equipment and is connected with the main control MCU.
According to the technical scheme provided by the embodiment of the application, the automatic control assembly further comprises: and the communication module is in communication connection with the master control MCU and is used for exchanging data with external equipment, and the communication module can receive an automatic trigger control signal.
According to the technical scheme provided by the embodiment of the application, the voltage and current control module is in communication connection with the main control MCU through a CANopen communication protocol.
According to the technical scheme provided by the embodiment of the application, the device further comprises a rotating speed measuring module which is used for detecting the rotating speed and is connected with the main control MCU.
According to the technical scheme provided by the embodiment of the application, the MCU of the main control MCU adopts an STMFVCT chip.
An electrostatic powder coating control method comprises the electrostatic powder coating control device; firstly, connecting an external control device with an interface of a main control MCU, wherein the main control MCU can judge the category of the external control device connected with the main control MCU by detecting signals of a plurality of different interfaces;
if the main control MCU identifies and judges that the automatic control equipment is available and the automatic signal transmission module detects that the remote signal input is effective, the main control MCU acquires an automatic trigger signal through the automatic signal transmission module, calls a formula parameter signal through the storage module and outputs a control trigger signal to the spraying control assembly according to the formula parameter signal, and the main control MCU controls the automatic control equipment to spray through the automatic signal transmission module;
if the main control MCU identifies and judges that the automatic control equipment is available and the automatic signal transmission module detects that the remote signal input is invalid, the main control MCU exchanges data with external control equipment through the communication module and acquires an automatic trigger signal, the main control MCU calls a formula parameter signal through the storage module and outputs a control trigger signal to the spraying control assembly according to the formula parameter signal, and the main control MCU controls the automatic control equipment to spray through the communication module;
if the master control MCU identifies and judges that the equipment is manual control equipment, the master control MCU acquires a manual trigger signal through a manual signal transmission module, acquires a selected formula parameter signal through an input module, calls the formula parameter signal through a storage module, outputs a control trigger signal to a spraying control assembly according to the formula parameter signal and is matched with the manual control equipment for spraying.
In summary, according to the technical scheme of the application, automatic or manual spraying can be respectively controlled through the automatic control assembly and the manual control assembly; when the device is used, the device can be suitable for automatic control equipment such as an automatic powder gun or a powder cup and manual control equipment such as a manual powder gun, so that the device can realize manual or automatic control of spraying and realize control of spraying in various modes; the main control MCU and the external control equipment adopt a CANopen communication protocol to carry out data exchange and equipment integrated control through a CAN1 interface, thereby realizing the integration of a large-scale automatic spraying system and also carrying out single-machine spraying control with a manipulator in a communication or hard wiring mode. The automatic control system can realize the automatic control of the formula of digital communication control, powder gas distribution, powder gas feeding, clean air, spraying voltage and spraying current, can realize the management control of the formula of spraying parameters, is suitable for the control of a manual powder spray gun, an automatic powder spray gun and an automatic rotary cup, and meets the high-quality spraying requirement on various workpieces.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1-2 are schematic structural diagrams of the present application.
Reference numbers in the figures: 1. a main control MCU; 2. a storage module; 3. a pneumatic control module; 4. a voltage current control module; 5. an automatic signal transmission module; 6. a manual signal transmission module; 7. an input module; 8. a serial port display screen; 9. a pneumatic control valve signal processing module; 10. an air pressure acquisition module; 11. a rotation speed measuring module; 12. and a communication module.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example one
An electrostatic powder coating control device comprising: the system comprises a master control MCU1, an automatic control assembly in communication connection with the master control MCU1, and a manual control assembly in communication connection with the master control MCU 1; and a spraying control assembly in communication connection with the master control MCU 1; the storage module 2 is in communication connection with the master control MCU1 and is used for storing built-in formula parameters;
the spray control assembly includes: the device comprises an air control module 3 which is used for controlling the work of an air control valve and is connected with a master control MCU1, and a voltage and current control module 4 which is used for controlling the spraying voltage and the spraying current and is connected with a master control MCU 1;
the automatic control assembly includes: the automatic signal transmission module 5 is used for receiving an external automatic trigger signal and is in communication connection with the main control MCU 1; when the automatic signal transmission module 5 receives the automatic trigger control signal, the main control MCU1 calls the corresponding formula parameters in the storage module 2 according to the automatic trigger control signal, and starts the spraying control assembly;
the manual control assembly includes: the manual signal transmission module 6 is used for receiving an external manual trigger signal and is in communication connection with the main control MCU1, and the input module 7 is used for selecting formula parameters and is in communication connection with the main control MCU 1; when the manual signal transmission module 6 receives the manual trigger control signal, the main control MCU1 calls the corresponding recipe parameters from the storage module 2 according to the recipe parameters selected by the input module 7, and starts the spraying control assembly.
When the device is used, as shown in fig. 1, the device can be suitable for automatic control equipment such as an automatic powder gun or a powder cup and manual control equipment such as a manual powder gun, so that the device can realize manual or automatic control of spraying and realize control of spraying in various modes; the main control MCU1 and external control equipment adopt CANopen communication protocol to perform data exchange and equipment integration control through a CAN1 interface, so that the integration of a large-scale automatic spraying system is realized, and the single-machine spraying control CAN also be performed with a manipulator in a communication or hard wiring mode.
When the automatic control equipment is used, the main control MCU1 can be connected with the automatic control equipment in a hard-wired mode or a communication mode, and at least 100 parameter formulas can be stored in the storage module 2, so that the parameter formulas can be freely called; the automatic signal transmission module 5 can collect and control an external trigger signal through photoelectric isolation or relay isolation; the pneumatic control module 3 can control the pneumatic control valve to simultaneously or respectively carry out powder mixing air, powder feeding air and clean air distribution.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the input module 7 comprises a key panel for inputting and being in communication connection with the main control MCU1, and a serial display screen 8 for displaying parameters and editing formula parameters and being in communication connection with the main control MCU 1.
The editing and selection of the spraying parameters are realized by editing, modifying and selecting data through a key panel 7 and a serial port display screen 8, the key panel connected with the master control MCU1 is used for carrying out key detection and LED indicator lamp control through an IO interface of the MCU, the key panel comprises 6 keys and 7 indicator lamps, and the two indicator lamps are RGB full-color LED lamps; the serial display screen 8 is in communication connection with the main control MCU1 through a USART interface. When the device is used, the serial port display screen 8 can display the current formula number and the spraying parameters in a mode of combining a bar chart and digital display, the spraying parameters comprise a voltage value, a current value, powder distribution gas, powder delivery gas and clean air, the spraying parameters of all the formulas can be modified through the key panel and the serial port display screen 8, the modified data are stored in the storage module 2, and the data are not lost when power is down; meanwhile, the system operation mode can be selected through the key panel, and the selection modes include a manual local mode, an automatic local mode and an automatic remote mode.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the pneumatic control module 3 comprises: the air control valve signal processing module 9 is used for connecting an air control valve and is connected with the master control MCU1, the air pressure acquisition module 10 is used for acquiring air inlet pressure and is connected with the master control MCU1, and the master air inlet electromagnetic valve is used for controlling the switch of the master air inlet valve of the equipment and is connected with the master control MCU 1.
As shown in fig. 2, the total air inlet solenoid valve 2 is used for controlling an air source switch of an external control device to rapidly shut off all air in the spraying process, the air pressure acquisition module 3 acquires the air pressure value of the total air inlet in real time, and rapidly shuts off all air and stops spraying operation when the acquired air pressure is lower than 5 kg; the pneumatic control valve signal processing module 9 is connected with an IO interface of the master control MCU1 and connected with a stepping motor driving chip, the master control MCU1 outputs a PWM signal to the stepping motor driving chip of the DRV8825 through the IO interface, and drives the electronic expansion valve to control the opening of the valve to adjust the air flow; the air pressure acquisition module 10 is in communication connection with the master control MCU1 through a CS5530 interface; the air pressure acquisition module 10 adopts a pressure sensor with the pressure range of-100 kPa-1000 kPa to carry out data acquisition through communication with the main control MCU1 through an AD chip CS5530, the loop is only used for monitoring the air pressure of the bearing when being connected with the powder cup, when the pressure is lower than a set value, the air pressure acquisition module 10 outputs a low pressure alarm to the main control MCU1, and the main control MCU1 controls the external control equipment to stop running.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the automatic control assembly further comprises: and the communication module 12 is in communication connection with the master control MCU and is used for exchanging data with external equipment, and the communication module 12 can receive an automatic trigger control signal.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the voltage current control module 4 is in communication connection with the master control MCU1 through a CANopen communication protocol. In this embodiment, the main control MCU1 and the voltage/current control module 4 are controlled and detected by the Controller Area Network (CAN) 2 interface using a controller area network (CANopen) communication protocol data exchange voltage/current control module 4, so that the safety and reliability are improved, the main circuit of the high voltage generator is completely isolated from the main control board, and the electrostatic interference and the high frequency signal interference are effectively avoided.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the device also comprises a rotating speed measuring module 11 which is used for detecting the rotating speed and is connected with the main control MCU 1. The rotating speed measuring module 11 is connected with the main control MCU1 through an optical fiber amplifier, and the rotating speed is measured and calculated by capturing a pulse signal sent by the optical fiber amplifier by using the optical fiber amplifier.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the MCU of the master control MCU1 adopts an STM32F107VCT6 chip.
An electrostatic powder coating control method comprises the electrostatic powder coating control device; firstly, connecting an external control device with an interface of a main control MCU1, wherein the main control MCU1 can judge the category of the external control device connected with the main control MCU1 by detecting signals of a plurality of different interfaces;
if the master control MCU1 identifies and judges that the automatic control equipment is available and the automatic signal transmission module 5 detects that the remote signal input is effective, the master control MCU1 acquires an automatic trigger signal through the automatic signal transmission module 5, the master control MCU1 calls a formula parameter signal through the storage module 2 and outputs a control trigger signal to the spraying control component according to the formula parameter signal, and the master control MCU1 controls the automatic control equipment to spray through the automatic signal transmission module 5;
if the main control MCU1 recognizes and judges that the automatic control device is available and the automatic signal transmission module 5 detects that the remote signal input is invalid, the main control MCU1 exchanges data with an external control device through the communication module 12 to obtain an automatic trigger signal, the main control MCU1 calls a formula parameter signal through the storage module 2 and outputs a control trigger signal to the spraying control assembly according to the formula parameter signal, and the main control MCU1 controls the automatic control device to spray through the communication module 12;
if the master control MCU1 recognizes and determines that the device is a manual control device, the master control MCU1 obtains a manual trigger signal through the manual signal transmission module 6, the master control MCU1 obtains a selected recipe parameter signal through the input module 7, calls the recipe parameter signal through the storage module 2, outputs a control trigger signal to the spray control assembly according to the recipe parameter signal, and performs spraying in cooperation with the manual control device.
When in an automatic control mode, the automatic powder gun or the automatic powder cup is firstly connected, the main control MCU1 receives signals of external control equipment through the automatic signal transmission module 5, the main control MCU1 calls formula parameters from the storage module 2 through 8-bit digital quantity input of a digital quantity input interface connected with the main control MCU1, respectively outputs control signals to the pneumatic control module 3 and the voltage and current control module 4, outputs spraying voltage and operates a pneumatic control valve to start spraying action; meanwhile, the automatic signal transmission module 5 and the master control MCU1 can perform control device fault reset. The main control MCU1 exchanges data with the external control device through program control in the external control device, and can call the recipe number through 8-bit digital data remotely input when the automatic control device is hardwired to the main control MCU1, or directly call the recipe number through the communication module 12 in a communication manner.
When in a manual control mode, firstly, a hand spray gun device is connected, a trigger switch signal is pressed through a trigger of the hand spray gun, the main control MCU1 receives the trigger signal through the manual signal transmission module 6, then parameters are selected on the serial port display screen 8, the main control MCU1 calls the formula parameters from the storage module 2, control signals are respectively output to the pneumatic control module 3 and the voltage and current control module 4, spraying voltage is output, and a pneumatic control valve is operated to start spraying; meanwhile, when the hand spray gun is used, spraying parameters and voltage state observation can be carried out at the hand spray gun end, so that in a manual mode, the master control MCU1 can be transmitted through an input signal of a button on the hand spray gun and the manual signal transmission module 6, and the master control MCU1 can adjust the increase and decrease of the powder amount according to the signal; the operator can operate the keys on the key panel to select the quick recipe parameters, and can also input the designated recipe number in the touch serial display screen 8.
The automatic spraying device can realize digital communication control, powder gas distribution, powder gas feeding, clean air, spraying voltage and spraying current, can realize spraying parameter formula management control, is suitable for controlling a manual powder spraying gun, an automatic powder spraying gun and an automatic rotary cup, and meets the high-quality spraying requirement on various workpieces.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (8)
1. An electrostatic powder coating control device, characterized in that: the method comprises the following steps: the system comprises a main control MCU (1), an automatic control assembly in communication connection with the main control MCU (1), and a manual control assembly in communication connection with the main control MCU (1); the spraying control component is in communication connection with the master control MCU (1); the storage module (2) is in communication connection with the main control MCU (1) and is used for storing the built-in formula parameters;
the spray control assembly includes: the spraying device comprises a pneumatic control module (3) used for controlling the pneumatic control valve to work and connected with a master control MCU (1), and a voltage current control module (4) used for controlling spraying voltage and spraying current and connected with the master control MCU (1);
the automatic control assembly includes: the automatic signal transmission module (5) is used for receiving an external automatic trigger signal and is in communication connection with the main control MCU (1); when the automatic signal transmission module (5) receives the automatic trigger control signal, the main control MCU (1) calls corresponding formula parameters in the storage module (2) according to the automatic trigger control signal and starts the spraying control assembly;
the manual control assembly includes: the manual signal transmission module (6) is used for receiving an external manual trigger signal and is in communication connection with the main control MCU (1), and the input module (7) is used for selecting formula parameters and is in communication connection with the main control MCU (1); when the manual signal transmission module (6) receives a manual trigger control signal, the main control MCU (1) calls corresponding formula parameters from the storage module (2) according to the formula parameters selected by the input module (7) to start the spraying control assembly.
2. The electrostatic powder coating control device according to claim 1, characterized in that: the input module (7) comprises a key panel which is used for inputting and is in communication connection with the main control MCU (1) and a serial port display screen (8) which is used for displaying parameters, editing formula parameters and is in communication connection with the main control MCU (1).
3. The electrostatic powder coating control device according to claim 1, characterized in that: the pneumatic control module (3) comprises: the air control valve comprises an air control valve signal processing module (9) used for connecting an air control valve and connected with a main control MCU (1), an air pressure acquisition module (10) used for acquiring air inlet pressure and connected with the main control MCU (1), and a main air inlet electromagnetic valve used for controlling the opening and closing of a main air inlet valve of the equipment and connected with the main control MCU (1).
4. The electrostatic powder coating control device according to claim 1, characterized in that: the automatic control assembly further comprises: and the communication module (12) is in communication connection with the master control MCU and is used for exchanging data with external equipment, and the communication module (12) can receive an automatic trigger control signal.
5. The electrostatic powder coating control device according to claim 1, characterized in that: the voltage current control module (4) is in communication connection with the main control MCU (1) through a CANopen communication protocol.
6. The electrostatic powder coating control device according to claim 1, characterized in that: the device also comprises a rotating speed measuring module (11) which is used for detecting the rotating speed and is connected with the main control MCU (1).
7. The electrostatic powder coating control device according to claim 1, characterized in that: and the MCU of the main control MCU (1) adopts an STM32F107VCT6 chip.
8. An electrostatic powder coating control method is characterized in that: comprising an electrostatic powder coating control device according to claims 1-7; firstly, connecting an external control device with an interface of a main control MCU (1), wherein the main control MCU (1) can judge the category of the external control device connected with the main control MCU by detecting signals of a plurality of different interfaces;
if the master control MCU (1) identifies and judges that the automatic control equipment is available and the automatic signal transmission module (5) detects that the remote signal input is effective, the master control MCU (1) acquires an automatic trigger signal through the automatic signal transmission module (5), the master control MCU (1) calls a formula parameter signal through the storage module (2) and outputs a control trigger signal to the spraying control component according to the formula parameter signal, and the master control MCU (1) controls the automatic control equipment to spray through the automatic signal transmission module (5);
if the master control MCU (1) identifies and judges that the automatic control equipment is available and the automatic signal transmission module (5) detects that the remote signal input is invalid, the master control MCU (1) exchanges data with external control equipment through the communication module (12) to acquire an automatic trigger signal, the master control MCU (1) calls a formula parameter signal through the storage module (2) and outputs a control trigger signal to the spraying control component according to the formula parameter signal, and the master control MCU (1) controls the automatic control equipment to spray through the communication module (12);
if the master control MCU (1) identifies and judges that the equipment is the manual control equipment, the master control MCU (1) acquires a manual trigger signal through a manual signal transmission module (6), the master control MCU (1) acquires a selected formula parameter signal through an input module (7), calls the formula parameter signal through a storage module (2), outputs a control trigger signal to the spraying control assembly according to the formula parameter signal and is matched with the manual control equipment for spraying.
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| CN113713976A (en) * | 2021-09-01 | 2021-11-30 | 浙江国达智能机电装备科技有限公司 | Control method and device of electrostatic spraying system |
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