CN216368515U - Fault early warning system of electrostatic spraying machine - Google Patents
Fault early warning system of electrostatic spraying machine Download PDFInfo
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- CN216368515U CN216368515U CN202123065249.5U CN202123065249U CN216368515U CN 216368515 U CN216368515 U CN 216368515U CN 202123065249 U CN202123065249 U CN 202123065249U CN 216368515 U CN216368515 U CN 216368515U
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- spraying machine
- feedback circuit
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- electrostatic spraying
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Abstract
The utility model discloses a fault early warning system of an electrostatic plastic spraying machine, which comprises an operation controller and an early warning signal transmission unit, wherein the early warning signal transmission unit comprises a command signal amplification circuit, a tuning feedback circuit and a wireless signal transmitter, the command signal amplification circuit rapidly enhances command signals and improves the strength of the early warning command signals, and then the tuning feedback circuit selects the frequency of the amplified early warning command signals by utilizing the LC parallel resonance principle, so that specific transmitting frequency is obtained; the stability of the process of transmitting the early warning instruction signal is ensured by adopting feedback regulation; according to the utility model, the early warning is carried out in a remote communication mode, the background management center acquires the fault information of the electrostatic spraying machine after identifying the content of the early warning instruction signal, and notifies field personnel to overhaul according to the online diagnosis result, so that the fault treatment efficiency of the electrostatic spraying machine is effectively improved, and the safe and efficient operation of the electrostatic spraying machine is ensured.
Description
Technical Field
The utility model relates to the technical field of electrostatic plastic spraying equipment, in particular to a fault early warning system of an electrostatic plastic spraying machine.
Background
The spraying machine is an industrial device used for surface treatment of objects, can spray powdery paint containing materials such as epoxy resin, polyester resin and the like to be adsorbed on the objects, and the powder can be uniformly adsorbed on the surface of a workpiece under the action of static electricity to form a powdery coating; the powdery coating is baked, leveled and solidified at high temperature to become final coatings with different effects. The existing electrostatic spraying machine realizes automatic production, greatly improves the production efficiency, and mainly diagnoses by maintainers in the aspect of fault treatment, so that the phenomena of untimely treatment or wrong treatment and the like exist, the production efficiency is influenced, and the potential safety hazard of production can be brought.
The present invention provides a new solution to this problem.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, an object of the present invention is to provide a fault warning system for electrostatic spraying machine.
The technical scheme for solving the problem is as follows: the utility model provides an electrostatic spraying machine trouble early warning system, includes operation controller and early warning signal transmission unit, early warning signal transmission unit includes command signal amplifier circuit, harmonious feedback circuit and radio signal transmitter, command signal amplifier circuit's input is connected the command signal output of operation controller, command signal amplifier circuit's output is connected harmonious feedback circuit's input, harmonious feedback circuit's output is connected radio signal transmitter, radio signal transmitter forms remote communication with backstage management center.
Further, the instruction signal amplifying circuit comprises an operational amplifier AR1, a non-inverting input terminal of the operational amplifier AR1 is connected to the instruction signal output terminal of the operational controller and is grounded through a capacitor C1 and a rheostat RP1 which are connected in parallel, and an inverting input terminal of the operational amplifier AR1 is grounded through a resistor R1 and is connected to the output terminal of the operational amplifier AR1 and the input terminal of the tuning feedback circuit through a resistor R2.
Furthermore, the tuning feedback circuit comprises an inductor L1, one end of the inductor L1 is connected to one end of a capacitor C2 and an output end of the operational amplifier AR1, the other end of the inductor L1 is connected to one end of a capacitor C3 and one end of a resistor R3 and the wireless signal transmitter, the other ends of the capacitors C2 and C3 are connected to a collector of a triode VT1, a base of the triode VT1 is connected to the other end of the resistor R3 and is grounded through the capacitor C4, and an emitter of the triode VT1 is grounded.
Through the technical scheme, the utility model has the beneficial effects that:
1. according to the utility model, the early warning is carried out in a remote communication mode, the background management center acquires the fault information of the electrostatic spraying machine after identifying the content of the early warning instruction signal, and informs field personnel to overhaul according to the online diagnosis result, so that the fault treatment efficiency of the electrostatic spraying machine is effectively improved, and the safe and efficient operation of the electrostatic spraying machine is ensured;
2. the instruction signal amplifying circuit rapidly enhances the instruction signal, the strength of the early warning instruction signal is improved, and then the tuning feedback circuit carries out frequency selection on the amplified early warning instruction signal by utilizing an LC parallel resonance principle, so that a specific transmitting frequency is obtained; and the stability of the process of transmitting the early warning instruction signal is ensured by adopting feedback regulation.
Drawings
Fig. 1 is a schematic circuit diagram of an early warning signal transmission unit according to the present invention.
Detailed Description
The foregoing and other technical and scientific aspects, features and utilities 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 drawings of 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.
The utility model provides an electrostatic spraying machine trouble early warning system, includes operation controller and early warning signal transmission unit, early warning signal transmission unit includes command signal amplifier circuit, harmonious feedback circuit and wireless signal transmitter E1, command signal amplifier circuit's input is connected the command signal output of operation controller, command signal amplifier circuit's output is connected harmonious feedback circuit's input, harmonious feedback circuit's output is connected wireless signal transmitter E1, wireless signal transmitter E1 forms remote communication with backstage management center.
As shown in fig. 1, the command signal amplifying circuit includes an operational amplifier AR1, a non-inverting input terminal of the operational amplifier AR1 is connected to the command signal output terminal of the operational controller and is grounded through a capacitor C1 and a rheostat RP1 which are connected in parallel, and an inverting input terminal of the operational amplifier AR1 is grounded through a resistor R1 and is connected to an output terminal of the operational amplifier AR1 and an input terminal of the tuning feedback circuit through a resistor R2.
The tuning feedback circuit comprises an inductor L1, one end of the inductor L1 is connected with one end of a capacitor C2 and the output end of an operational amplifier AR1, the other end of the inductor L1 is connected with one end of a capacitor C3 and one end of a resistor R3 and the wireless signal transmitter E1, the other ends of the capacitors C2 and C3 are connected with the collector of a triode VT1, the base of the triode VT1 is connected with the other end of the resistor R3 and is grounded through a capacitor C4, and the emitter of the triode VT1 is grounded.
When the operation controller is used specifically, the operation controller is used for collecting and processing the working parameters of the electrostatic spraying machine, analyzing and comparing the working parameters by utilizing a computer data processing technology, and when one or more working parameters are abnormal, the operation controller can issue corresponding early warning instructions. In order to ensure the effectiveness of early warning, the utility model adopts a remote communication form for early warning, and the specific working flow and principle are as follows: firstly, the capacitor C1 in the command signal amplifying circuit stabilizes the early warning command signal and sends the stabilized early warning command signal to the operational amplifier AR1, and the operational amplifier AR1 rapidly enhances the command signal by using the in-phase amplification principle, thereby improving the strength of the early warning command signal. Secondly, LC parallel resonance is formed by the capacitors C2 and C3 and the inductor L1 in the tuning feedback circuit to carry out frequency selection on the amplified early warning command signal, so that specific transmitting frequency is obtained; in order to ensure the stability of the resonant frequency selection process, the early warning command signal is sampled and fed back through the resistor R3, and is driven to be conducted through the triode VT1 after being stabilized by the capacitor C4, the triode VT1 is used as a regulating tube to utilize the good working steady-state characteristic of the triode VT1, so that the stability of the early warning command signal transmission process is effectively ensured, and finally, the early warning command is transmitted to the background management center through the wireless signal transmitter E1.
The background management center acquires the fault information of the electrostatic spraying machine after identifying the content of the early warning instruction signal, and informs field personnel to overhaul according to an online diagnosis result, so that the fault processing efficiency of the electrostatic spraying machine is effectively improved, and the safe and efficient operation of the electrostatic spraying machine is ensured.
While the utility model has been described in further detail with reference to specific embodiments thereof, it is not intended that the utility model be limited to the specific embodiments thereof; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.
Claims (3)
1. The utility model provides an electrostatic spraying machine trouble early warning system, includes operation controller and early warning signal transmission unit, its characterized in that: the early warning signal transmission unit comprises an instruction signal amplification circuit, a tuning feedback circuit and a wireless signal transmitter, wherein the input end of the instruction signal amplification circuit is connected with the instruction signal output end of the operation controller, the output end of the instruction signal amplification circuit is connected with the input end of the tuning feedback circuit, the output end of the tuning feedback circuit is connected with the wireless signal transmitter, and the wireless signal transmitter and the background management center form remote communication.
2. The electrostatic plastic jetting machine fault early warning system of claim 1, wherein: the instruction signal amplifying circuit comprises an operational amplifier AR1, wherein the non-inverting input end of the operational amplifier AR1 is connected with the instruction signal output end of the operational controller and is grounded through a capacitor C1 and a rheostat RP1 which are connected in parallel, and the inverting input end of the operational amplifier AR1 is grounded through a resistor R1 and is connected with the output end of the operational amplifier AR1 and the input end of the tuning feedback circuit through a resistor R2.
3. The electrostatic plastic jetting machine fault early warning system of claim 2, wherein: the tuning feedback circuit comprises an inductor L1, one end of the inductor L1 is connected with one end of a capacitor C2 and the output end of an operational amplifier AR1, the other end of the inductor L1 is connected with one end of a capacitor C3 and one end of a resistor R3 and the wireless signal transmitter, the other ends of the capacitors C2 and C3 are connected with a collector of a triode VT1, the base of the triode VT1 is connected with the other end of a resistor R3 and is grounded through the capacitor C4, and the emitter of the triode VT1 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123065249.5U CN216368515U (en) | 2021-12-08 | 2021-12-08 | Fault early warning system of electrostatic spraying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123065249.5U CN216368515U (en) | 2021-12-08 | 2021-12-08 | Fault early warning system of electrostatic spraying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216368515U true CN216368515U (en) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123065249.5U Active CN216368515U (en) | 2021-12-08 | 2021-12-08 | Fault early warning system of electrostatic spraying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216368515U (en) |
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2021
- 2021-12-08 CN CN202123065249.5U patent/CN216368515U/en active Active
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