CN218872568U - Automatic spraying control system of permanent magnet variable frequency motor - Google Patents
Automatic spraying control system of permanent magnet variable frequency motor Download PDFInfo
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- CN218872568U CN218872568U CN202221147126.8U CN202221147126U CN218872568U CN 218872568 U CN218872568 U CN 218872568U CN 202221147126 U CN202221147126 U CN 202221147126U CN 218872568 U CN218872568 U CN 218872568U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses an automatic spraying control system of permanent magnet variable frequency motor, including backend server, instruction control module and spraying controller, backend server is used for editing and issuing spraying control instruction, and instruction control module includes that the fortune of making an uproar puts regulating circuit and steady amplitude regulating circuit, and the fortune of making an uproar puts the regulating circuit and includes LC wave filter and two fortune put the subassembly; the utility model discloses utilize the spraying control command signal that instruction control module issued background server to handle, effectively eliminate the interference that power frequency, environmental magnetic field and network fluctuation produced, promote control command transmission process's stability and accuracy nature, guarantee that spraying control command can accurately be issued to the spraying controller in to effectively promote the reliability of automatic spraying equipment work operation.
Description
Technical Field
The utility model relates to an aluminum product spraying treatment technical field especially relates to a permanent magnet variable frequency motor automatic spraying control system.
Background
Compared with a common variable frequency motor, the permanent magnet variable frequency motor does not need reactive exciting current, can remarkably advance power factor, reduces stator current and stator resistance loss, does not have rotor copper loss in stable operation, and can reduce an electric fan (a small-capacity motor or even an electric fan can be removed) and corresponding wind friction loss, thereby having remarkable advantages.
Because the specifications and types of the permanent magnet variable frequency motors are more, the shape of the shell of the product is irregular, when spraying is carried out, a workpiece is placed on the ground, a spraying person holds a spray gun to spray the workpiece, and the manual spraying has the defects of high labor intensity and low production efficiency; in some automatic spraying equipment, for example, the invention patent application with the application number of 202011489565.2 entitled "automatic spraying equipment for motor spraying paint and its working method", a paint spraying device and a conveying mechanism need to be automatically controlled by instructions, and a spraying controller is easily interfered by power frequency of a power supply, an environmental magnetic field and network fluctuation in the process of receiving the instructions, so that the fluctuation is disordered in the instruction transmission process, thereby causing control failure due to instruction errors and seriously affecting the reliability of the operation of an automatic spraying control system.
So the utility model provides a new scheme solves this problem.
SUMMERY OF THE UTILITY MODEL
To the above situation, in order to overcome the defects of the prior art, the present invention provides an automatic spraying control system for a permanent magnet variable frequency motor.
The technical scheme for solving the problem is as follows: the utility model provides a permanent magnet variable frequency motor automatic spraying control system, includes backend server, instruction control module and spraying controller, backend server is used for the editor and issues the spraying control instruction, instruction control module is including falling the noise fortune and put regulating circuit and steady amplitude regulating circuit, fall the noise fortune and put regulating circuit and include that LC wave filter and two fortune put the subassembly, the input of LC wave filter is connected backend server's spraying control instruction signal output part, the output of LC wave filter is connected the input of subassembly is put to two fortune, the output of subassembly is put to two fortune passes through steady amplitude regulating circuit connects spraying controller's instruction receiving terminal.
Preferably, the LC filter is a pi-type LC filter, and includes capacitors C1 and C2 and an inductor L1, one end of the capacitor C1 and one end of the inductor L1 are connected to the spraying control instruction signal output end of the background server, the other end of the inductor L1 is connected to one end of the capacitor C2, and the other ends of the capacitor C1 and the capacitor C2 are grounded.
Preferably, the double operational amplifier assembly comprises an operational amplifier AR1, an AR2 and a triode VT1, wherein the non-inverting input end of the operational amplifier AR1 is connected with the other end of the inductor L1 through a resistor R1, the inverting input end of the operational amplifier AR1 is grounded through a resistor R2, the base electrode of the triode VT1 is connected through a resistor R3, the non-inverting input end of the operational amplifier AR2 is connected with the output end of the operational amplifier AR1, the collector electrode of the triode VT1 is connected through a resistor R4, the inverting input end and the output end of the operational amplifier AR2 are connected with one end of a capacitor C4 through a resistor R7, the emitter electrode of the triode VT1 is grounded through a resistor R5, and the other end of the capacitor C4 is connected with the capacitor C3 through a resistor R6 in parallel connection.
Preferably, the amplitude stabilizing and adjusting circuit comprises an MOS transistor Q1 and an operational amplifier AR3, a gate of the MOS transistor Q1 is connected to one end of a capacitor C4, a drain of the MOS transistor Q1 is connected to a +5V power supply, a source of the MOS transistor Q1 is connected to the other end of the capacitor C4, one end of a resistor R8, a cathode of a zener diode DZ1 and an in-phase input end of the operational amplifier AR3, the other end of the resistor R8 and an anode of the zener diode DZ1 are grounded in parallel, and an inverting input end and an output end of the operational amplifier AR3 are connected to an instruction receiving end of the spray coating controller.
Through the technical scheme, the beneficial effects of the utility model are that the utility model discloses utilize the spraying control command signal that instruction control module issued background server to handle, effectively eliminate the interference that power frequency, environmental magnetic field and network fluctuation produced, promote control command transmission process's stability and accuracy nature, guarantee that spraying control command can accurately be issued to the spraying controller in to effectively promote automatic spraying equipment work reliability of operation.
Drawings
Fig. 1 is a schematic circuit diagram of the command control module of the present invention.
Description of the preferred embodiment
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying fig. 1. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
An automatic spraying control system of a permanent magnet variable frequency motor comprises a background server, an instruction control module and a spraying controller, wherein the background server is used for editing and issuing a spraying control instruction; the spraying controller is used for driving and controlling the operation states of the paint spraying device and the conveying mechanism.
As shown in fig. 1, the instruction control module includes a noise reduction operational amplifier adjusting circuit and an amplitude stabilization adjusting circuit, the noise reduction operational amplifier adjusting circuit includes an LC filter and a dual operational amplifier assembly, an input end of the LC filter is connected to a spraying control instruction signal output end of the background server, an output end of the LC filter is connected to an input end of the dual operational amplifier assembly, and an output end of the dual operational amplifier assembly is connected to an instruction receiving end of the spraying controller through the amplitude stabilization adjusting circuit; the LC filter is a pi-type LC filter and comprises capacitors C1 and C2 and an inductor L1, one ends of the capacitors C1 and the inductor L1 are connected with a spraying control instruction signal output end of the background server, the other end of the inductor L1 is connected with one end of the capacitor C2, and the other ends of the capacitors C1 and C2 are grounded.
The subassembly is put including fortune ware AR1 to two fortune, AR2 and triode VT1, fortune is put the homophase input end of ware AR1 and is passed through resistance R1 and connect inductance L1's the other end, fortune is put the inverting input end of ware AR1 and is passed through resistance R2 ground connection, and connect triode VT 1's base through resistance R3, fortune is put the homophase input end of ware AR2 connected to the output of ware AR1, and connect triode VT 1's collecting electrode through resistance R4, fortune is put the inverting input end of ware AR2 and is passed through resistance R7 with the output and connect electric capacity C4's one end, triode VT 1's projecting pole passes through resistance R5 ground connection, and be connected electric capacity C4's the other end through parallelly connected resistance R6 and electric capacity C3.
In the working process of the noise reduction operational amplifier adjusting circuit, firstly, the spraying control command signal is subjected to low-pass noise reduction filtering by utilizing the principle of a pi-type LC filter, so that the external power supply noise and the interference generated by high-frequency electromagnetism can be effectively filtered, the influence of system noise is greatly reduced, and the accurate issuing of useful signals is ensured; the dual operational amplifier component amplifies and enhances the filtered instruction signal, and firstly, an emitter follower composed of an operational amplifier AR1 and a triode VT1 amplifies the instruction signal rapidly, so that the response speed of the system is improved; in order to avoid fluctuation maladjustment in the instruction transmission process, the operational amplifier AR2 is adopted to form differential amplification at the output end of the operational amplifier AR1, the effect of the differential amplifier is utilized to effectively suppress zero drift and temperature drift in a circuit, so that the amplified output waveform of an instruction signal has good stability, an RC compensation network consisting of a resistor R6 and a capacitor C3 is added to the output end of the emitter follower to improve the waveform of the instruction signal, and a differential capacitor C4 is added to the output end of the differential amplifier to improve the common-mode noise suppression effect.
Further, the amplitude stabilizing regulating circuit comprises an MOS tube Q1 and an operational amplifier AR3, the grid electrode of the MOS tube Q1 is connected with one end of a capacitor C4, the drain electrode of the MOS tube Q1 is connected with a +5V power supply, the source electrode of the MOS tube Q1 is connected with the other end of the capacitor C4, one end of a resistor R8, the cathode of a voltage stabilizing diode DZ1 and the in-phase input end of the operational amplifier AR3, the other end of the resistor R8 and the anode of the voltage stabilizing diode DZ1 are grounded in parallel, and the anti-phase input end and the output end of the operational amplifier AR3 are connected with the instruction receiving end of the spraying controller. The MOS tube Q1 is used for amplifying the output signal of the differential amplifier, the output signal of the MOS tube Q1 is stabilized by the voltage stabilizing diode DZ1, the stabilized instruction signal is sent to the operational amplifier AR3 to be processed, and an electric isolation zone is formed between the front-stage circuit and the spraying controller by using the voltage follower principle, so that the effectiveness of the spraying controller on receiving the instruction signal is ensured.
The utility model discloses when specifically using, the spraying control command signal that utilizes instruction control module to issue backend server handles, effectively eliminates the interference that power frequency, environmental magnetic field and network fluctuation produced, promotes control command transmission process's stability and accuracy nature, guarantees that spraying control command can accurately be issued to the spraying controller in to effectively promote automatic spraying equipment work reliability of operation.
The above description is provided for further details of the present invention with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.
Claims (4)
1. The utility model provides a permanent magnet variable frequency motor automatic spraying control system, includes backend server, instruction control module and spraying controller, its characterized in that: the backstage server is used for editing and issuing spraying control command, instruction control module includes that it puts regulating circuit and steady amplitude regulating circuit to fall the noise fortune, it includes that LC wave filter and two fortune are put the subassembly to fall the noise fortune, the input of LC wave filter is connected backend server's spraying control command signal output part, the output of LC wave filter is connected the input of subassembly is put to two fortune, the output that subassembly was put to two fortune passes through steady amplitude regulating circuit connects spraying controller's instruction receiving terminal.
2. The automatic spraying control system of the permanent magnet variable frequency motor according to claim 1, characterized in that: the LC filter is a pi-type LC filter and comprises capacitors C1 and C2 and an inductor L1, one ends of the capacitor C1 and the inductor L1 are connected with a spraying control instruction signal output end of the background server, the other end of the inductor L1 is connected with one end of the capacitor C2, and the other ends of the capacitor C1 and the capacitor C2 are grounded.
3. The automatic spraying control system of the permanent magnet variable frequency motor according to claim 2, characterized in that: the subassembly is put including fortune ware AR1, AR2 and triode VT1 to two fortune, fortune is put the homophase input end of ware AR1 and is passed through resistance R1 and connect inductance L1's the other end, fortune is put the inverting input end of ware AR1 and is passed through resistance R2 ground connection, and connect triode VT 1's base through resistance R3, fortune is put the homophase input end of ware AR2 to fortune connection of output of ware AR1, and connect triode VT 1's collecting electrode through resistance R4, fortune is put the inverting input end of ware AR2 and is passed through resistance R7 with the output and connect the one end of electric capacity C4, triode VT 1's projecting pole passes through resistance R5 ground connection, and connect the other end of electric capacity C4 through parallelly connected resistance R6 and electric capacity C3.
4. The automatic spraying control system of the permanent magnet variable frequency motor according to claim 3, characterized in that: the amplitude stabilizing adjusting circuit comprises an MOS tube Q1 and an operational amplifier AR3, the grid electrode of the MOS tube Q1 is connected with one end of a capacitor C4, the drain electrode of the MOS tube Q1 is connected with a +5V power supply, the source electrode of the MOS tube Q1 is connected with the other end of the capacitor C4, one end of a resistor R8, the cathode of a voltage stabilizing diode DZ1 and the in-phase input end of the operational amplifier AR3, the other end of the resistor R8 and the anode of the voltage stabilizing diode DZ1 are grounded in parallel, and the anti-phase input end and the output end of the operational amplifier AR3 are connected with the instruction receiving end of the spraying controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221147126.8U CN218872568U (en) | 2022-05-13 | 2022-05-13 | Automatic spraying control system of permanent magnet variable frequency motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221147126.8U CN218872568U (en) | 2022-05-13 | 2022-05-13 | Automatic spraying control system of permanent magnet variable frequency motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218872568U true CN218872568U (en) | 2023-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221147126.8U Active CN218872568U (en) | 2022-05-13 | 2022-05-13 | Automatic spraying control system of permanent magnet variable frequency motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218872568U (en) |
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2022
- 2022-05-13 CN CN202221147126.8U patent/CN218872568U/en active Active
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