CN105413902B - A kind of electrostatic powder coating controller and control method - Google Patents
A kind of electrostatic powder coating controller and control method Download PDFInfo
- Publication number
- CN105413902B CN105413902B CN201510903906.9A CN201510903906A CN105413902B CN 105413902 B CN105413902 B CN 105413902B CN 201510903906 A CN201510903906 A CN 201510903906A CN 105413902 B CN105413902 B CN 105413902B
- Authority
- CN
- China
- Prior art keywords
- circuit
- powder coating
- electrostatic
- output
- signal
- 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
Classifications
-
- 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
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/03—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying
- B05B5/032—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying for spraying particulate materials
Abstract
A kind of electrostatic powder coating controller disclosed by the invention, including main control MCU circuit, and man-machine interface circuit, trigger signal process circuit, spray gun interface signal process circuit and the air pressure signal processing circuit being connected respectively with main control MCU circuit, in addition to the Switching Power Supply for foregoing circuit power supply.The controller and control method of the present invention, it can realize that multiple-working mode, electric parameter and pneumatic parameter automatically control and increase Learning control strategy on the basis of PI controls.
Description
Technical field
The present invention relates to electrostatic powder coating field, more particularly to a kind of electrostatic powder coating controller and control method.
Background technology
Electrostatic powder coating is powered coating powder is firmly adsorbed in quilt the active force of charged particle using electrostatic field
The workpiece surface of processing, powder bed are formed solid after high-temperature baking, fusing, levelling and low-temperature setting in workpiece surface
Coating.Electrostatic powder coating controller is the key equipment for completing electrostatic powder coating, and existing controller is often only to electrostatic
Voltage and electrostatic induced current, which realize, to be automatically controlled, and flow velocity air pressure and atomization air pressure is not implemented to automatically control, many state's outer controls
Device also only has the manual regulatory function of atomization air pressure and flow velocity air pressure so as to the stable gas pressure of source of the gas in electrostatic spray process
Property require it is very high；The control model that existing controller is supported often also only has electrostatic potential pattern and electrostatic induced current pattern,
It is difficult to meet that high quality spraying requires；In addition, in the real time execution of control model, the control strategy of use is mainly PI controls
Strategy, lack the Advanced Control Strategies of suitable complex part curved surface.The present invention realizes electrostatic potential, electrostatic induced current, flow velocity air pressure
With the automatically controlling of four variables of atomization air pressure, various control pattern is provided, and Learning control strategy is introduced electrostatic spraying control
In system, the high quality spraying to complex part curved surface is realized.
The content of the invention
The shortcomings that it is an object of the invention to overcome prior art and deficiency, there is provided a kind of electrostatic powder coating controller.
Another object of the present invention is to provide a kind of electrostatic powder coating control method, can realize multiple-working mode,
Electric parameter and pneumatic parameter automatically control and increase Learning control strategy on the basis of PI controls.
The purpose of the present invention is realized by following technical scheme：
A kind of electrostatic powder coating controller, including main control MCU circuit, and the people being connected respectively with main control MCU circuit
Machine interface circuit, trigger signal process circuit, spray gun interface signal process circuit and air pressure signal processing circuit, in addition to be upper
State the Switching Power Supply of circuit power supply.
The man-machine interface circuit includes three end LDO voltage stabilizer SPX1117, LED, charactron LED driver, key-press input
Scanning circuit；Wherein+5V is reduced to the MCU working powers of+3.3V as man-machine interface circuit by three end LDO voltage stabilizer SPX1117；
Charactron LED driver, key-press input scanning circuit use 2 BC7277, and BC7277 passes through SPI interface and man-machine interface
MCU communicates；The MCU of man-machine interface is used using USART1 interfaces and RS422 drivers SP3490 and main control MCU circuit communication
USART3 interfaces and RS485 drivers SP485 are connected with outside RS485 buses, realize more electrostatic powder coating controller groups
Net.
The MCU of the main control MCU circuit uses STM32F205VC.
The MCU of the man-machine interface circuit uses STM32F100C8.
The main control MCU circuit is communicated with man-machine interface circuit by RS422 interfaces (passing through SP3490 driving chips).
Another object of the present invention is realized by following technical scheme：
A kind of electrostatic powder coating control method, comprises the following steps：
Main control MCU circuit is connected by I/O interfaces with trigger signal process circuit, outer triggering signal is received, with reference to quiet
The working condition output triggering permissive signal of electro-powder spray controller；Output is obtained by spray gun interface signal process circuit
Voltage, electric current and electric output state feedback signal, the mode of operation and working condition with reference to electrostatic powder coating controller are defeated
Go out control voltage, adjust the electrostatic potential or electrostatic induced current of output；By air pressure signal process circuit obtain flow velocity air pressure and
Atomization air pressure feedback signal, with reference to mode of operation and working condition the output step motor control letter of electrostatic powder coating controller
Number, adjust flow velocity air pressure and atomization air pressure output valve；
Trigger signal process circuit receives outer triggering signal and is changed into touching for main control MCU circuit after changing its logic level
Send out input signal；Output air circuit breaker signal and electricity are determined according to the logical AND result of outer triggering signal and triggering permissive signal
Path switching signal it is logically high and low, realize the on and off of gas circuit and circuit output；
Air pressure signal process circuit becomes air input pressure according to the adjusting position of baroswitch signal and stepper motor
For required flow velocity air pressure and atomization air pressure pressure, while output pressure measured value is exported and gives main control MCU circuit, in master control
The digital control of air pressure is realized inside MCU circuits, the external spray gun of spray gun interface signal process circuit, Switching Power Supply is provided
24V voltages are changed into the control voltage needed for external spray gun, receive the current feedback input value of spray gun, while output voltage, electricity
Stream and state (normal, overload and short circuit) are transferred to main control MCU circuit, and electrostatic powder coating is realized together with main control MCU circuit
The various control models of controller.
The control model of the electrostatic powder coating control method is electrostatic mode of operation, and electrostatic mode of operation includes conventional
Constant voltage mode and constant current mode, in addition to constant power mode and constant current density pattern；Wherein constant power mode is quiet
The product of electricity output voltage and current is constant, and constant current density pattern is on the basis of constant current mode, according to output pressure
Change is finely adjusted to output current so that the charge number of output and the amount of powder exported are approximate directly proportional, and the electric current such as realization is close
Degree.
The electrostatic powder coating control method, it is a repetition Workpiece painting process for automatically electrostatic spray process, draws
Enter iterative learning control thought, in each Electrostatic Control voltage output, be used to correct this control according to preceding secondary control error
Voltage output processed.Raising has complex curved surface part electrostatic powder coating control accuracy.
The present invention compared with prior art, has the following advantages that and beneficial effect：
(1) in addition to voltage and current output control automatically, also automatically controlled with flow velocity air pressure and atomization air pressure, reduction pair
Input the requirement of source of the gas pressure stability.
(2) there is RS485 communication external interfaces, electrostatic powder coating controller both can form separate unit hand with electrostatic gun
Dynamic powder spraying system, can also be by RS485 networkings into the large automatic paint finishing with more spray guns.
(3) there is the totally four kinds of electrostatic sprayings of constant voltage mode, constant current mode, constant power mode and constant current density pattern
Mode of operation, adapt to higher spraying coating process requirement.
(4) iterative learning controlling mechanism is introduced, there is higher control accuracy than common PI control algolithms, improve
Coating quality.
Brief description of the drawings
Fig. 1 is electrostatic powder coating controller architecture block diagram.
Fig. 2 is electrostatic powder coating controller man-machine interface.
Fig. 3 is electrostatic powder coating controller pressure control schematic diagram.
Fig. 4 is constant voltage mode control loop.
Fig. 5 is constant current mode control loop.
Fig. 6 is constant power mode control loop
Fig. 7 is permanent density mode schematic diagram.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.
With reference to figure 1, electrostatic powder coating controller is believed by Switching Power Supply, man-machine interface circuit, main control MCU circuit, triggering
Number process circuit, air pressure signal process circuit and spray gun interface signal process circuit composition.
Switching Power Supply uses bright latitude Switching Power Supply NED-100D, and alternating current 220V AC is changed into direct current 24V and 5V, wherein 24V
Switch electromagnetic valve and stepper motor to electric output circuit and the air pressure signal processing circuit of spray gun interface signal process circuit
Power supply, other circuits are powered using 5V.This electrostatic powder coating controller uses dual-MCU configuration, except main control MCU circuit contains
Outside MCU, man-machine interface circuit also contains MCU, and main control MCU selects STM32F205VC, man-machine interface MCU to select
STM32F100C8, both are communicated by RS422 interfaces (passing through SP3490 driving chips).Main control MCU circuit passes through I/O interfaces
It is connected with trigger signal process circuit, receives outer triggering signal, (is stopped with reference to the working condition of electrostatic powder coating controller
Or operation) output triggering permissive signal；By spray gun interface signal process circuit obtain output voltage, electric current and electrically it is defeated
Do well feedback signal, defeated with reference to the mode of operation and working condition output control voltage of electrostatic powder coating controller, regulation
The electrostatic potential or electrostatic induced current gone out；Flow velocity air pressure and atomization air pressure feedback signal are obtained by air pressure signal process circuit,
With reference to electrostatic powder coating controller mode of operation and working condition export step motor control signal, regulation flow velocity air pressure and
Atomization air pressure output valve.Trigger signal process circuit receives outer triggering signal and is changed into main control MCU after changing its logic level
The triggering input signal of circuit；Output air circuit breaker is determined according to the logical AND result of outer triggering signal and triggering permissive signal
Signal and contactor signal it is logically high and low, realize the on and off of gas circuit and circuit output.Air pressure signal process circuit root
Certain air input pressure is changed into required flow velocity air pressure and atomization according to the adjusting position of baroswitch signal and stepper motor
Atmospheric pressure, while output pressure measured value is exported and gives main control MCU circuit, the number of air pressure is realized inside main control MCU circuit
Word controls.The external spray gun of spray gun interface signal process circuit, the 24V voltages that Switching Power Supply provides are changed into needed for external spray gun
Control voltage, the current feedback input value of spray gun is received, while output voltage, electric current and state (normal, overload and short circuit)
Main control MCU circuit is transferred to, the various control models of electrostatic powder coating controller are realized together with main control MCU circuit.
+ 5V is reduced to the working powers of+3.3V as MCU by man-machine interface circuit using three end LDO voltage stabilizer SPX1117.
LED and charactron LED driver and key-press input scanning circuit use 2 BC7277, BC7277 to lead to by SPI interface and MCU
Letter.Man-machine interface MCU is communicated using USART1 interfaces and RS422 drivers SP3490 with main MCU；Using USART3 interfaces and
RS485 drivers SP485 is connected with outside RS485 buses, realizes more electrostatic powder coating controller networkings.With reference to figure 2, people
Machine interface is made up of 4 LED lights, 11 Digital sum pipe, 12 Digital sum pipe, 43 Digital sum pipes and 12 buttons.4
LED light shows " default ", " RUN ", " triggering " and " communication " working condition respectively, wherein " default " LED is bright to refer to people
Machine interface is in human configuration running parameter state；" RUN " LED is bright to refer to that electrostatic powder coating controller is currently running,
Otherwise stop waiting；" triggering " LED is bright to refer to that spray controller receives extraneous trigger signal and exports triggering output electricity
Gas and air pressure signal；" communication " LED equivalent refer to spray painting control with outside RS485 bus communications.The instruction spray of 1 Digital sum pipe
The electrostatic mode of operation of controller is applied, can be constant voltage mode, constant current mode, constant power mode and constant current density pattern.2
Which group running parameter Digital sum pipe shows, spray controller can store from 00~99 100 groups of running parameters totally, wherein 00~
09 group of parameter is to be solidificated in inside spray controller, it is impossible to changes, only may bring up use, can be adapted to current most of conventional sprays
Painting process technological parameter, facilitates user directly to recall use, it is not necessary to each parameter is configured one by one, other parameters group is by user
Voluntarily configure.43 Digital sum pipes realize electrostatic potential, electrostatic induced current, flow velocity air pressure and atomization air pressure numerical value respectively.12 are pressed
Key has " parameter group ", " voltage ", " electric current ", " electrostatic mode " and " flow velocity air pressure " totally 6 option and installment type buttons respectively,
" startup " and " stopping " 2 spray controllers are started working and the button that is stopped, " default ", " increase ", " reduction " and " true
Recognize " 4 parameter modification operating knobs.Running parameter configuration process is as follows, first " default " button, and " default " LED is bright, can into parameter
Configuration status, if 15 seconds press without key, " default " LED goes out, and is retracted into parameter and can configure state；When " default " LED is bright, press
" parameter group " button, 2 " parameter group " charactron flickers, the parameter to be worked is selected by " reduction " and " increase " button
Group, during parameter group code name is changed, other numeral methods preserve the relevant parameter in the parameter group, are pressed by " confirmation "
Key, current parameter group code name is set to current operating parameters group.When needing to change the parameter in current operating parameters group,
Parameter can configure state, after selection parameter group code, the parameter button changed on demand, modified as needed to voltage parameter, then by " electricity
Pressure " button, then corresponding parameter display charactron flicker, by changing parameter value by " increase " and " reduction " button, really " finally
Recognize " button completion parameter modification.
Electrostatic powder coating controller not only realizes automatically controlling for output voltage and electric current, also achieves air pressure signal
Automatically control.With reference to figure 3, flow velocity air pressure is identical with the close loop control circuit structure of atomization air pressure, pressure sensing amplifying circuit 1
LM324, the connection of air pressure feedback signal are used using MPS20N1000D-S, amplifier with sensor in pressure sensing amplifying circuit 2
Main control singlechip STM32F205VC ADC；Actuator uses pressure-reducing valve and stepper motor, and stepper motor driver chip uses
A4985SLPTR-T, main control singlechip STM32F205VC realize pressure-reducing valve aperture regulation by I/O connection motor drive ics,
So that output pressure value is near setting value.The fast of output pressure can be realized using the input of switch electromagnetic valve control source of the gas
Speed cut-out and unlatching, while pressure-reducing valve frequent movement is reduced, extend pressure-reducing valve working life.
Constant voltage mode, constant current mode, constant power pattern and isodensity pattern may be selected in electrostatic powder coating controller
Four kinds of mode of operations, current operation mode is shown by one digit number code pipe.Constant voltage mode realized by voltage control loop, reference chart
4, the Vout that voltage control loop circuit is changed into 24V input voltage variable values is exported.T401 and T403 compositions reach woods
Pause power adjustment pipe, and T401 selects high-power PNP transistor TIP147, T403 to select NPN transistor MMBT4401.A401 is put for error
Big device, track to track amplifier OPA4188 is selected, it exports the base stage that T403 is driven by resistance R403 (3k Ω).Usv is voltage control
The setting value in loop processed, exported by main MCU DAC, its work excursion is 0.85V~3.0V, and corresponding output voltage is about
When 5.95V~21V, Usv are 0V, output is closed.Upv is output voltage measured value, passes through resistance R404 (3k Ω), resistance R405
(3k Ω) and resistance R406 (resistance is 1k Ω) series connection partial pressure measurement, intrinsic standoff ratio 1:7.Resistance R402 (100 Ω) is T403
The colelctor electrode current-limiting resistance of (PNP transistor MMBT4403)；Resistance R401 (0.5 Ω) is T401 overcurrent protection resistance, works as stream
When crossing T401 electric current and being more than 1.4A, T402 is begun to turn on, and improves T401 base voltages, so as to the collector current of restricted T 401
Continue to increase.
Constant current mode, constant power pattern and isodensity pattern are by main MCU internal firmwares and Fig. 4 voltage control loops and outside
Enclose circuit realiration.Fig. 5 is constant current mode control loop, and the voltage output of linear voltage decreasing voltage control loop is to spray gun；Spray gun
Spraying current translation circuit can be fed back to by spray gun interface with the spraying current of workpiece composition spraying process, spraying current becomes
Change the ADC of circuit connection main control MCU circuit；Main control MCU circuit is according to spraying current setting value Isv and spraying current measured value
Ipv difference, by spraying current controller output voltage setting value Usv, so as to be performed by linear voltage decreasing voltage control loop
Regulation process, realizes constant current controlling pattern, and spraying current translation circuit is realized inside MCU using firmware.In general electrostatic
The current-mode of powder spray control uses PI control algolithms, and invention increases learning functionality, employs iterative learning control
Algorithm, to adapt to the fast spraying of complex part, coating quality is improved, shown in Iterative Learning Control Algorithm such as formula (1).
In order to ensure voltage setting value in spray gun requirement working range, amplitude limit output is employed, as shown in formula (2), is obtained
Final desired voltage setting value.
In formula (1), k is processing times (relative to the number of workpiece to be machined), and k initial values are 0, voltage setting value Usv
Initial value be 0, spraying operation every time, is extracted experience from from k-1 time later, the voltage setting value Usv of k times is changed, so as to improve
Control accuracy, β1For current feedback gain, 35 are taken as；In formula (2), [USVMIN,USVMAX] it is voltage setting value working range
[0.85V,3.0V]。
The control loop of constant power pattern is similar to constant current mode control loop, as shown in fig. 6, employing Power Control
Device instead of current controller, add power calculator (being multiplier), other as constant current mode.Constant power mould
Shown in the Iterative Learning Control Algorithm of formula such as formula (3).
In formula (3), WeFor power error, sgn, sqr and abs difference sign function, evolution function and ABS function, β2
For Feedback of Power gain, 5.9 are taken, with formula (1) unanimously, similarly voltage setting value is also required to by formula (2) its physical significance
Could be as the setting value of voltage control loop after slicing algorithm.
In electrostatic spray process, air pressure change will cause powder density to change, and isodensity pattern is the change according to air pressure
Change the change for the electric charge average for adjust the setting value of current control loop, reducing powder particle institute band, improve coating quality.
With reference to figure 7, isodensity pattern is to be realized on the basis of constant current mode according to air pressure change correcting current setting value；First subtracts
Musical instruments used in a Buddhist or Taoist mass asks flow velocity air pressure PF setting values and the difference of measured value, and the second subtracter asks atomization air pressure PA setting values and the difference of measured value；
Permanent density conpensation obtains IMsv as electrostatic induced current control according to flow velocity draught head and atomization gas pressure difference correcting current setting value Isv
The setting value in loop processed；Shown in permanent density conpensation backoff algorithm such as formula (4).
IMSV=ISV+α1·(PFSV-PFPV)+α2·(PASV-PAPV) (4)
α in formula (4)1And α2For correction factor, value is respectively 0.05 and 0.01, or is determined by testing.Although this hair
Bright to have employed air pressure Automatic Control Strategy, the average undulating value of air pressure is little, but because the air pressure adjustment time (passes through stepping
Motor) it is longer, transient swing phenomenon be present, by formula (4) transient state air pressure fluctuation can be overcome to influence coating quality, so as to enter
One step improves coating quality.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (7)
- A kind of 1. electrostatic powder coating controller, it is characterised in that：Including main control MCU circuit, and respectively with main control MCU circuit Connected man-machine interface circuit, trigger signal process circuit, spray gun interface signal process circuit and air pressure signal processing circuit, also Including the Switching Power Supply powered for foregoing circuit；The man-machine interface circuit includes three end LDO voltage stabilizer SPX1117, LED, charactron LED driver, key-press input scanning Circuit；Wherein+5V is reduced to the MCU working powers of+3.3V as man-machine interface circuit by three end LDO voltage stabilizer SPX1117；It is digital Pipe LED driver, key-press input scanning circuit use 2 BC7277, BC7277 to lead to by the MCU of SPI interface and man-machine interface Letter；The MCU of man-machine interface is using USART1 interfaces and RS422 drivers SP3490 and main control MCU circuit communication, using USART3 Interface and RS485 drivers SP485 are connected with outside RS485 buses, realize more electrostatic powder coating controller networkings.
- 2. electrostatic powder coating controller according to claim 1, it is characterised in that：The MCU of the main control MCU circuit is used STM32F205VC。
- 3. electrostatic powder coating controller according to claim 1, it is characterised in that：The MCU of the man-machine interface circuit is adopted Use STM32F100C8.
- 4. electrostatic powder coating controller according to claim 1, it is characterised in that：The main control MCU circuit and man-machine boundary Face circuit passes through RS422 interface communications.
- A kind of 5. electrostatic powder coating control method, using electrostatic powder coating control described in Claims 1-4 any claim Device processed, it is characterised in that comprise the following steps：Main control MCU circuit is connected by I/O interfaces with trigger signal process circuit, outer triggering signal is received, with reference to electrostatic powder The working condition output triggering permissive signal of last spray controller；The electricity of output is obtained by spray gun interface signal process circuit Pressure, electric current and electric output state feedback signal, exported with reference to the mode of operation and working condition of electrostatic powder coating controller Control voltage, adjust the electrostatic potential or electrostatic induced current of output；Flow velocity air pressure and mist are obtained by air pressure signal process circuit Change air pressure feedback signal, with reference to mode of operation and working condition the output step motor control letter of electrostatic powder coating controller Number, adjust flow velocity air pressure and atomization air pressure output valve；Trigger signal process circuit receive outer triggering signal and changing be changed into after its logic level main control MCU circuit triggering it is defeated Enter signal；Determine that output air circuit breaker signal and circuit are opened according to the logical AND result of outer triggering signal and triggering permissive signal OFF signal it is logically high and low, realize the on and off of gas circuit and circuit output；Air input pressure is changed into institute by air pressure signal process circuit according to the adjusting position of baroswitch signal and stepper motor The flow velocity air pressure and atomization air pressure pressure needed, while output pressure measured value is exported and gives main control MCU circuit, in main control MCU electricity The digital control of air pressure, the external spray gun of spray gun interface signal process circuit, the 24V voltages that Switching Power Supply is provided are realized inside road It is changed into the control voltage needed for external spray gun, receives the current feedback input value of spray gun, while output voltage, electric current and state Main control MCU circuit is transferred to, the various control models of electrostatic powder coating controller are realized together with main control MCU circuit.
- 6. electrostatic powder coating control method according to claim 5, it is characterised in that its control model works for electrostatic Pattern, electrostatic mode of operation include conventional constant voltage mode and constant current mode, in addition to constant power mode and constant current it is close Degree pattern；Wherein constant power mode is constant for the product of electrostatic output voltage and electric current, and constant current density pattern is in constant current On the basis of pattern, output current is finely adjusted according to the change of output pressure so that the charge number of output and the powder of output Measure directly proportional, realize uniform current density.
- 7. electrostatic powder coating control method according to claim 5, it is characterised in that the electrostatic powder coating control Method, it is a repetition Workpiece painting process for automatically electrostatic spray process, iterative learning control thought is introduced, in each electrostatic When control voltage exports, exported according to preceding secondary control error for correcting this control voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510903906.9A CN105413902B (en) | 2015-12-09 | 2015-12-09 | A kind of electrostatic powder coating controller and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510903906.9A CN105413902B (en) | 2015-12-09 | 2015-12-09 | A kind of electrostatic powder coating controller and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105413902A CN105413902A (en) | 2016-03-23 |
| CN105413902B true CN105413902B (en) | 2018-02-27 |
Family
ID=55492700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510903906.9A Active CN105413902B (en) | 2015-12-09 | 2015-12-09 | A kind of electrostatic powder coating controller and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105413902B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109453910B (en) * | 2018-11-26 | 2020-12-01 | 青岛中邦科技发展有限公司 | Voltage control method and system for electrostatic spraying spray gun |
| CN109433441A (en) * | 2018-11-30 | 2019-03-08 | 青岛中邦科技发展有限公司 | A kind of Multifunctional static electricity spray painting control method and system |
| CN112474150B (en) * | 2020-11-13 | 2022-06-17 | 北京市劳动保护科学研究所 | Dust removal system and method for powder coating |
| CN113019732B (en) * | 2021-03-11 | 2022-09-23 | 深圳市德贝尔喷枪有限公司 | High-precision spray gun spraying control system based on linear regulation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202270603U (en) * | 2011-10-10 | 2012-06-13 | 天津七所高科技有限公司 | Novel spraying gun controller |
| CN202837999U (en) * | 2012-09-18 | 2013-03-27 | 深圳市神拓机电设备有限公司 | Spraying production line control system during carrying roller production |
| CN205199771U (en) * | 2015-12-09 | 2016-05-04 | 华南理工大学 | Static powder spraying controller |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54103441A (en) * | 1978-02-02 | 1979-08-14 | Kansai Paint Co Ltd | Manual electrostatic powder coating device |
| CA2119958A1 (en) * | 1993-04-26 | 1994-10-27 | Varce E. Howe | Micro-controller based high voltage power supply |
-
2015
- 2015-12-09 CN CN201510903906.9A patent/CN105413902B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202270603U (en) * | 2011-10-10 | 2012-06-13 | 天津七所高科技有限公司 | Novel spraying gun controller |
| CN202837999U (en) * | 2012-09-18 | 2013-03-27 | 深圳市神拓机电设备有限公司 | Spraying production line control system during carrying roller production |
| CN205199771U (en) * | 2015-12-09 | 2016-05-04 | 华南理工大学 | Static powder spraying controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105413902A (en) | 2016-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105413902B (en) | A kind of electrostatic powder coating controller and control method | |
| CN205199771U (en) | Static powder spraying controller | |
| CN104331113A (en) | High-precision numerically-controlled constant current source | |
| CN104764141A (en) | Air conditioner temperature control method and air conditioner | |
| CN202270603U (en) | Novel spraying gun controller | |
| CN104821754B (en) | The nonshared control unit of intelligent wall plastering machine people | |
| CN101367147B (en) | Electric soldering iron and control method for working temperature | |
| CN106765520B (en) | Automatic control method for realizing optimal initial pressure operation of heat supply unit | |
| CN104270046B (en) | Motor control method based on speed and current two dimension fuzzy Model Self-Learning | |
| CN104698894B (en) | The permanent wind amount output control method and system of a kind of smoke exhaust ventilator | |
| CN101707465A (en) | Method for adjusting motor current ring parameter | |
| CN109149607A (en) | A kind of three-phase imbalance compensation control system and control method | |
| CN107370352B (en) | Power supply unit and its control circuit and method with power factor correcting function | |
| CN101082661A (en) | Current mutual inductor for intelligent electrical apparatus release and control method thereof | |
| CN202856678U (en) | Permanent magnet generator set voltage stabilizing device | |
| CN107270720B (en) | A kind of method of automatic burning furnace eye | |
| CN112737338B (en) | Voltage compensation method and voltage compensation device | |
| CN206992950U (en) | A kind of voltage control system for ultraviolet light detection | |
| CN203992755U (en) | The welding machine with the accurate short circuiting transfer control circuit of arc welding based on AVR single-chip microcomputer | |
| CN102790348A (en) | High pulse repetition frequency ArF (argon fluoride) excimer laser pulse energy control system | |
| CN109687699B (en) | Control method for real-time tracking output state soft adjustment of digital voltage current loop | |
| CN106246985A (en) | A kind of electric proportional-regulation valve controlled based on pwm signal | |
| CN106324491A (en) | High acceleration test failure platform for load switch for electric energy meter and testing method | |
| CN204945324U (en) | Control series products batch quiescent current test circuit | |
| CN110137972A (en) | A kind of compensation voltage stabilization and regulation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |