A chain product receiving color abnormality alarm detection device

Abstract

The present invention discloses an alarm detection device for abnormal color of received chain products, comprising a color detection module, a controller and an electronic display. The color detection module comprises a color sensor for detecting the surface color of the chain products. The detection signal of the color sensor is sequentially processed by an in-phase amplification and regulation circuit and a fast noise reduction regulation circuit and then sent to the controller. The controller is connected to the electronic display via a data bus. The present invention detects the surface color of the chain products by arranging a color sensor, and processes the detection signal of the color sensor sequentially by an in-phase amplification and regulation circuit and a fast noise reduction regulation circuit, thereby effectively reducing the influence of external interference factors and improving the accuracy of color data collection. The device has a low construction cost, and the electronic circuit design of the entire system is ingenious, the loudness speed is fast, the detection accuracy is high, and it has a good use effect.

Description

Technical Field

[0001] The present invention relates to the technical field of electroplating detection of chain products, and in particular to a device for detecting abnormal color of received chain products. Background Art

[0002] After electroplating, chain products need to be inspected for their appearance and color. Currently, the appearance of electroplated products is generally inspected manually or using auxiliary lenses. This is not only time-consuming and labor-intensive, but also often results in detection errors or missed detections. The invention patent with application number 201811263575.7 and titled "A method for storing electroplated products" moves the electroplated products into a testing box, and the camera on the top of the testing box takes pictures of the electroplated products. The captured images are compared by a software system. When the appearance image of the electroplated product does not match the archived information in the database, the electroplated product fails the inspection, an alarm message is generated, and the alarm system sounds an alarm. Although this technical solution can greatly reduce manual labor intensity and improve detection results, the entire system is relatively expensive and difficult to build, and the system is not responsive, so its practical application is limited.

[0003] Therefore, the present invention provides a new solution to solve this problem. Summary of the Invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the present invention is to provide an alarm detection device for abnormal color of received chain products.

[0005] The technical solution is: a chain product receiving color abnormality alarm detection device, including a color detection module, a controller and an electronic display. The color detection module includes a color sensor for detecting the surface color of the chain product. The detection signal of the color sensor is sequentially processed by the in-phase amplification adjustment circuit and the fast noise reduction adjustment circuit and then sent to the controller. The controller is connected to the electronic display via a data bus.

[0006] Preferably, the in-phase amplification and adjustment circuit includes an op amp AR1, the in-phase input terminal of the op amp AR1 is connected to the signal output terminal of the color sensor through a capacitor C1, the inverting input terminal of the op amp AR1 is grounded through a resistor R1, and the output terminal of the op amp AR1 and a resistor R3 and one end of a capacitor C2 are connected through a resistor R2, and the other ends of the resistor R3 and the capacitor C2 are connected to the ground in parallel.

[0007] Preferably, the fast noise reduction adjustment circuit includes an op amp AR2, the non-inverting input of the op amp AR2 is connected to the output of the op amp AR1, the inverting input of the op amp AR2 is connected to the collector and base of the transistor VT1, the emitter of the transistor VT1 is connected to the capacitor C4, the inductor L1 and one end of the resistor R6, and is connected to the output of the op amp AR2 through the parallel resistor R4 and the capacitor C3, the output of the op amp AR2 is connected to the other end of the capacitor C4, and is connected to one end of the resistor R5 and the gate of the MOS transistor Q1 through the capacitor C5, the other end of the resistor R5 and the source of the MOS transistor Q1 are connected to ground in parallel, the drain of the MOS transistor Q1 is connected to the inductor L1 and the other end of the resistor R6, and is connected to one end of the resistor R7 through the capacitor C6, the other end of the resistor R7 is connected to the capacitor C7, one end of the resistor R8 and the controller, the other end of the capacitor C7 is grounded, and the other end of the resistor R8 is grounded through the variable resistor RP1.

[0008] Preferably, the controller is a PLC control module.

[0009] Preferably, the color sensor is a FT 50-C sensor.

[0010] Through the above technical solution, the beneficial effects of the present invention are:

[0011] 1. This invention uses a color sensor to detect the surface color of chain products. The detection signal of the color sensor is processed in sequence by a common-mode amplification adjustment circuit and a fast noise reduction adjustment circuit, effectively reducing the influence of external interference factors and improving the accuracy of color data collection.

[0012] 2. The device has low construction cost, and the electronic circuit design of the whole system is ingenious, with fast loudness and high detection accuracy, and has a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a system module diagram of the present invention.

[0014] Figure 2 This is a circuit diagram of the color detection module of the present invention. DETAILED DESCRIPTION

[0015] The above and other technical contents, features and effects of the present invention are described below with reference to the attached Figure 1 The detailed description of the embodiments will clearly show that the structural contents mentioned in the following embodiments are all based on the accompanying drawings.

[0016] Various exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

[0017] like Figure 1As shown, a chain product receiving color abnormality alarm detection device includes a color detection module, a controller and an electronic display. The color detection module includes a color sensor for detecting the surface color of the chain product. The detection signal of the color sensor is sequentially processed by a common-mode amplification adjustment circuit and a fast noise reduction adjustment circuit and then sent to the controller. The controller is connected to the electronic display via a data bus.

[0018] like Figure 2 As shown, the non-inverting amplification and regulation circuit includes an op amp AR1, the non-inverting input terminal of the op amp AR1 is connected to the signal output terminal of the color sensor through the capacitor C1, the inverting input terminal of the op amp AR1 is grounded through the resistor R1, and the output terminal of the op amp AR1 and the resistor R3 and one end of the capacitor C2 are connected through the resistor R2, and the other ends of the resistor R3 and the capacitor C2 are connected to the ground in parallel.

[0019] Furthermore, the fast noise reduction adjustment circuit includes an op amp AR2, wherein the non-inverting input of the op amp AR2 is connected to the output of the op amp AR1, the inverting input of the op amp AR2 is connected to the collector and base of the transistor VT1, the emitter of the transistor VT1 is connected to the capacitor C4, the inductor L1, and one end of the resistor R6, and is connected to the output of the op amp AR2 through the parallel resistor R4 and the capacitor C3, the output of the op amp AR2 is connected to the other end of the capacitor C4, and is connected to one end of the resistor R5 and the gate of the MOS transistor Q1 through the capacitor C5, the other end of the resistor R5 and the source of the MOS transistor Q1 are connected to ground in parallel, the drain of the MOS transistor Q1 is connected to the inductor L1 and the other end of the resistor R6, and is connected to one end of the resistor R7 through the capacitor C6, the other end of the resistor R7 is connected to the capacitor C7, one end of the resistor R8, and the controller, the other end of the capacitor C7 is grounded, and the other end of the resistor R8 is grounded through the variable resistor RP1.

[0020] In practical use, the present invention employs a color detection module positioned above the chain product receiving assembly line, utilizing a color sensor to detect the surface color of the chain product. Specifically, the color sensor is the FT 50-C sensor, which utilizes its intelligent color detection function to achieve stable detection. Because the color sensor's detection signal output intensity is relatively weak and susceptible to interference from ambient light, a common-mode amplification and regulation circuit and a rapid noise reduction and regulation circuit are provided to process the detection signal. The specific operating principles are as follows: First, the common-mode amplification and regulation circuit preamplifies the color sensor's detection signal. Op amp AR1 utilizes the common-mode amplifier principle to perform primary amplification of the detection signal, initially increasing the detection signal intensity. The signal is then subjected to noise reduction and stabilization processing through an RC filter formed by resistor R3 and capacitor C2, eliminating mechanical noise.

[0021] The fast noise reduction adjustment circuit further amplifies and filters the output signal of the in-phase amplification adjustment circuit. Op amp AR2 performs secondary amplification on the output signal of AR1. During the op amp process, resistor R4 and capacitor C3 act as resistor-capacitor feedback regulators, effectively improving the waveform of the detection signal using the principle of phase compensation to ensure stable output. Transistor VT1 is provided at the feedback end to increase the feedback depth, preventing detection signal imbalance and thereby improving the saturation of the captured colors. The amplified signal from op amp AR2 is then fed into MOS transistor Q1 for conditioning. An RC-LC filter unit, consisting of resistor R5, capacitor C5, inductor L1, and capacitor C6, is provided on its periphery to filter out harmful clutter in the detection signal and prevent noise. MOS transistor Q1 also has excellent temperature characteristics, effectively improving the detection signal output characteristics. Finally, after noise reduction through RC filtering, the signal is fed into the controller.

[0022] During the specific settings, the controller uses a PLC control module, which analyzes and processes the received detection signal and compares it with the system reference color data. When the collected color data matches the system reference color data range value, the target chain product color is judged to be normal; conversely, when the collected color data does not match the system reference color data range value, the target chain product color is judged to be abnormal and an alarm signal is issued; at the same time, the PLC control module sends the detection results to the electronic display for display, which is convenient for production personnel to view.

[0023] To sum up, the present invention detects the surface color of chain products by setting up a color sensor, and processes the detection signal of the color sensor in turn through the in-phase amplification adjustment circuit and the fast noise reduction adjustment circuit, effectively reducing the influence of external interference factors and improving the accuracy of color data collection; the device has a low construction cost, and the electronic circuit design of the entire system is ingenious, the loudness speed is fast, the detection accuracy is high, and it has a good use effect.

[0024] The above is a further detailed description of the present invention in combination with specific implementation methods, and it cannot be determined that the specific implementation of the present invention is limited to this; for technical personnel in the technical fields to which the present invention belongs and related technical fields, based on the technical solution ideas of the present invention, the expansion and replacement of operating methods and data should all fall within the scope of protection of the present invention.

Claims

1. A chain product receiving color abnormality alarm detection device, characterized by: The system comprises a color detection module, a controller and an electronic display. The color detection module comprises a color sensor for detecting the surface color of the chain product. The detection signal of the color sensor is processed in sequence by a common-mode amplification adjustment circuit and a fast noise reduction adjustment circuit and then sent to the controller. The controller is connected to the electronic display via a data bus. The fast noise reduction adjustment circuit includes an op amp AR2, wherein the non-inverting input of the op amp AR2 is connected to the output of the op amp AR1, the inverting input of the op amp AR2 is connected to the collector and base of the transistor VT1, the emitter of the transistor VT1 is connected to the capacitor C4, the inductor L1, and one end of the resistor R6, and is connected to the output of the op amp AR2 via the parallel resistor R4 and the capacitor C3, the output of the op amp AR2 is connected to the other end of the capacitor C4, and is connected to one end of the resistor R5 and the gate of the MOS transistor Q1 via the capacitor C5, the other end of the resistor R5 and the source of the MOS transistor Q1 are connected in parallel to ground, the drain of the MOS transistor Q1 is connected to the inductor L1 and the other end of the resistor R6, and is connected to one end of the resistor R7 via the capacitor C6, the other end of the resistor R7 is connected to the capacitor C7, one end of the resistor R8, and the controller, the other end of the capacitor C7 is grounded, and the other end of the resistor R8 is grounded via the variable resistor RP1.

2. The chain product receiving color abnormality alarm detection device according to claim 1 is characterized by: The non-inverting amplification and adjustment circuit includes an op amp AR1, a non-inverting input terminal of the op amp AR1 is connected to the signal output terminal of the color sensor through a capacitor C1, an inverting input terminal of the op amp AR1 is grounded through a resistor R1, and an output terminal of the op amp AR1 and a resistor R3 and one end of a capacitor C2 are connected through a resistor R2, and the other ends of the resistor R3 and the capacitor C2 are connected to the ground in parallel.

3. The chain product receiving color abnormality alarm detection device according to any one of claims 1-2, characterized in that: The controller uses a PLC control module.

4. The chain product receiving color abnormality alarm detection device according to claim 3 is characterized by: The color sensor is FT 50-C.

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