CN211576995U - Online visual inspection system of dielectric antenna production - Google Patents
Online visual inspection system of dielectric antenna production Download PDFInfo
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- CN211576995U CN211576995U CN202020017648.0U CN202020017648U CN211576995U CN 211576995 U CN211576995 U CN 211576995U CN 202020017648 U CN202020017648 U CN 202020017648U CN 211576995 U CN211576995 U CN 211576995U
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Abstract
The utility model discloses an online visual detection system of medium antenna production, including CCD industry camera, signal processing unit and computer analysis platform, signal processing unit includes filtering regulating circuit and amplification regulating circuit, the image signal output of CCD industry camera is connected to filtering regulating circuit's input, the input of amplification regulating circuit is connected to filtering regulating circuit's output, the detection signal input of computer analysis platform is connected to amplification regulating circuit's output, filtering circuit filters the output signal of CCD industry camera, improve the accuracy of image detection, reduce the system error; the amplifying and adjusting circuit eliminates signal imbalance, guarantees stability in the signal amplifying process, effectively improves accuracy of online visual detection, utilizes a computer analysis platform to analyze and compare image signal data, is high in automation degree, simple and convenient to operate, and has a good using effect.
Description
Technical Field
The utility model relates to a dielectric antenna production detects technical field, especially relates to an online visual detection system of dielectric antenna production.
Background
Microwave dielectric ceramics are the core materials of microwave devices, and with the rapid development of communication technology, a large number of microwave dielectric ceramics suitable for various microwave frequency bands are developed at present. The medium antenna can be applied to a GPS (global positioning system) and can also be applied to communication among modern Internet of things equipment. The production process of the dielectric antenna generally comprises the treatments of firing, grinding, surface coating and the like, so that the phenomena of product deformation, uneven coating and the like caused by expansion with heat and contraction with cold can be generated, the overall performance of the product is influenced, and a device for automatically detecting the quality of the product on line is lacked in the production process of the conventional dielectric antenna.
So the utility model provides a new scheme to solve the problem.
SUMMERY OF THE UTILITY MODEL
To the above situation, in order to overcome the defects of the prior art, an object of the present invention is to provide an online visual inspection system for dielectric antenna production.
The technical scheme for solving the problem is as follows: the utility model provides an online visual inspection system of medium antenna production, includes CCD industry camera, signal processing unit and computer analysis platform, the signal processing unit includes filtering regulating circuit and enlargies regulating circuit, filtering regulating circuit's input is connected the image signal output part of CCD industry camera, filtering regulating circuit's output is connected enlarge regulating circuit's input, enlargement regulating circuit's output is connected computer analysis platform's detection signal input part.
Further, the filter adjusting circuit comprises an operational amplifier U1, a non-inverting input end of the operational amplifier U1 is connected with one ends of a capacitor C1 and a resistor R3, the other end of the capacitor C1 is connected with one ends of a capacitor C2, resistors R1, R2 and R4, the other ends of the capacitor C2, a resistor R2 and R3 are grounded, the other end of the resistor R1 is connected with an image signal output end of the CCD industrial camera, the other end of the resistor R4 is connected with an output end of an operational amplifier U1, an inverting input end of the operational amplifier U1 is connected with a pin 1 of a rheostat RP1, a pin 2 of the rheostat RP1 is grounded through a resistor R5, and a pin 3 of the rheostat RP1 is connected with an output end of the operational amplifier U.
Further, the amplification regulating circuit comprises operational amplifiers U2, U3 and U4, a non-inverting input terminal of the operational amplifier U2 is connected with an output terminal of the operational amplifier U1 through a resistor R6, an inverting input terminal of the operational amplifier U2 is connected with an inverting input terminal and an output terminal of the operational amplifier U3, an output terminal of the operational amplifier U2 is connected with non-inverting input terminals of the operational amplifiers U2 and U3 through a capacitor C4 and a resistor R8, and is connected with one end of a capacitor C5 and a non-inverting input terminal of the operational amplifier U4 through a resistor R9, the non-inverting input terminal of the operational amplifier U3 is grounded through a resistor R7, the other end of the capacitor C5 is grounded, and the inverting input terminal of the operational amplifier U4 is connected with the output terminal of the operational amplifier U4 and the detection signal input terminal of the computer analysis platform.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the utility model utilizes the CCD industrial camera to carry out on-line detection on products on the medium antenna production terminal assembly line, and utilizes the computer analysis platform to carry out analysis contrast processing on image signal data, thereby having high automation degree, simple and convenient operation and good use effect;
2. the filter circuit filters an output signal of the CCD industrial camera, so that the accuracy of image detection is improved, and the system error is reduced;
3. the amplification regulating circuit eliminates signal imbalance, ensures the stability in the signal amplification process and effectively improves the accuracy of online visual detection.
Drawings
Fig. 1 is the schematic diagram of the filter adjusting circuit of the present invention.
Fig. 2 is a schematic diagram of the amplifying and adjusting circuit of the present invention.
Detailed Description
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 drawings 1 to 2. 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 online visual inspection system of medium antenna production, includes CCD industry camera, signal processing unit and computer analysis platform, and signal processing unit includes filtering regulating circuit and enlargies regulating circuit, and the image signal output of CCD industry camera is connected to filtering regulating circuit's input, and the input of amplifying regulating circuit is connected to filtering regulating circuit's output, and the detection signal input of computer analysis platform is connected to the output of enlarging regulating circuit.
The CCD industrial camera is arranged on the medium antenna production terminal production line, when a product reaches the lower part of the CCD industrial camera, shooting is carried out, and the shot image is converted into an analog signal to be output after being processed by an internal chip of the CCD industrial camera. As shown in fig. 1, the filter adjusting circuit first performs noise reduction on the analog signal, and the filter adjusting circuit includes an operational amplifier U1, a non-inverting input terminal of the operational amplifier U1 is connected to one ends of a capacitor C1 and a resistor R3, the other end of the capacitor C1 is connected to one ends of a capacitor C2, a resistor R1, a resistor R2 and a resistor R4, the other ends of the capacitor C2, the resistor R2 and the resistor R3 are grounded, the other end of the resistor R1 is connected to an image signal output terminal of the CCD industrial camera, the other end of the resistor R4 is connected to an output terminal of the operational amplifier U1, an inverting input terminal of the operational amplifier U1 is connected to a pin 1 of a varistor RP1, a pin 2 of the varistor RP1 is grounded through a resistor R5, and a pin 3 of the varistor RP 573.
In the processing process of the filter circuit, the resistors R1-R4 and the capacitors C1 and C2 form an RC trap network to filter the output signal of the CCD industrial camera, high-frequency clutter in an image signal can be well eliminated by utilizing the principle of a trap filter, external electromagnetic interference, light interference and the like are effectively reduced, and the accuracy of image detection is improved. The operational amplifier U1 performs feedback adjustment on the trapped signal, wherein the adjustment of the resistance value of RP1 can change the output feedback quantity of the operational amplifier, so that the operational amplifier U1 is in the optimal feedback output state, and the system error is effectively reduced.
As shown in fig. 2, the amplification and adjustment circuit includes operational amplifiers U2, U3, and U4, a non-inverting input terminal of the operational amplifier U2 is connected to an output terminal of the operational amplifier U1 through a resistor R6, an inverting input terminal of the operational amplifier U2 is connected to an inverting input terminal and an output terminal of the operational amplifier U3, an output terminal of the operational amplifier U2 is connected to non-inverting input terminals of the operational amplifiers U2 and U3 through a capacitor C4 and a resistor R8, and is connected to one end of a capacitor C5 and a non-inverting input terminal of the operational amplifier U4 through a resistor R9, a non-inverting input terminal of the operational amplifier U3 is further grounded through a resistor R7, the other end of the capacitor C5 is grounded, and an inverting input terminal of the operational amplifier U4 is connected to an output terminal of the operational amplifier U4 and.
In order to improve the amplification effect of the detection signal, the operational amplifiers U2 and U3 are connected in parallel to form a circuit for adjusting the output signal of the operational amplifier U1. Because the output signal of the operational amplifier U1 has a detuning amount, in the amplification process of the operational amplifier U2, the operational amplifier U3 performs feedback output on the output signal of the U2, inputs a part of voltage amount to the inverting input end of the operational amplifier U2, and utilizes the operational amplifier superposition principle, thereby canceling the operational amplifier detuning voltage of the non-inverting input end of the operational amplifier U2, and ensuring the stability in the signal amplification process.
The output signal of the operational amplifier U2 is sent into the operational amplifier U4 after being filtered by RC, the operational amplifier U4 utilizes the principle of voltage follower to isolate and output the processed detection signal to the computer CPU, and the detection signal is analyzed and compared by the computer analysis platform, the computer analysis platform compares the received image signal with the preset image data of the system, and when the comparison data exceeds the standard requirement, the product is judged to have defects.
To sum up, the utility model discloses circuit design is ingenious, utilizes CCD industry camera to carry out on-line measuring to the product on the medium antenna production terminal assembly line to adopt filter circuit to carry out the filtering to the output signal of CCD industry camera, improve the accuracy that the image detected, reduce system error. The amplification regulating circuit eliminates signal imbalance, ensures the stability in the signal amplification process and effectively improves the accuracy of online visual detection. The image signal data is analyzed and compared by using the computer analysis platform, so that the automation degree is high, the operation is simple and convenient, and the use effect is good.
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 (3)
1. The utility model provides an online visual inspection system of medium antenna production, includes CCD industry camera, signal processing unit and computer analysis platform, its characterized in that: the signal processing unit comprises a filtering adjusting circuit and an amplifying adjusting circuit, wherein the input end of the filtering adjusting circuit is connected with the image signal output end of the CCD industrial camera, the output end of the filtering adjusting circuit is connected with the input end of the amplifying adjusting circuit, and the output end of the amplifying adjusting circuit is connected with the detection signal input end of the computer analysis platform.
2. The dielectric antenna production online visual inspection system of claim 1, characterized in that: the filter adjusting circuit comprises an operational amplifier U1, wherein the non-inverting input end of the operational amplifier U1 is connected with one ends of a capacitor C1 and a resistor R3, the other end of the capacitor C1 is connected with one ends of a capacitor C2, resistors R1, R2 and R4, the other ends of the capacitor C2, the resistor R2 and the resistor R3 are grounded, the other end of the resistor R1 is connected with an image signal output end of the CCD industrial camera, the other end of the resistor R4 is connected with the output end of the operational amplifier U1, the inverting input end of the operational amplifier U1 is connected with a pin 1 of a rheostat RP1, a pin 2 of the rheostat RP1 is grounded through a resistor R5, and a pin 3 of a rheostat RP1 is connected with the output end.
3. The dielectric antenna production online visual inspection system of claim 2, characterized in that: the amplifying and adjusting circuit comprises operational amplifiers U2, U3 and U4, wherein the non-inverting input end of an operational amplifier U2 is connected with the output end of an operational amplifier U1 through a resistor R6, the inverting input end of the operational amplifier U2 is connected with the inverting input end and the output end of an operational amplifier U3, the output end of the operational amplifier U2 is connected with the non-inverting input ends of operational amplifiers U2 and U3 through a capacitor C4 and a resistor R8 respectively, one end of a capacitor C5 and the non-inverting input end of the operational amplifier U4 are connected through a resistor R9, the non-inverting input end of the operational amplifier U3 is grounded through a resistor R7, the other end of the capacitor C5 is grounded, and the inverting input end of the operational amplifier U4 is connected with the output end of the operational amplifier U4 and the detection signal input end of the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020017648.0U CN211576995U (en) | 2020-01-06 | 2020-01-06 | Online visual inspection system of dielectric antenna production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020017648.0U CN211576995U (en) | 2020-01-06 | 2020-01-06 | Online visual inspection system of dielectric antenna production |
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| Publication Number | Publication Date |
|---|---|
| CN211576995U true CN211576995U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020017648.0U Active CN211576995U (en) | 2020-01-06 | 2020-01-06 | Online visual inspection system of dielectric antenna production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211576995U (en) |
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2020
- 2020-01-06 CN CN202020017648.0U patent/CN211576995U/en active Active
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