CN206274314U - The vision inspection apparatus of cylinder baffle defect detecting system - Google Patents

The vision inspection apparatus of cylinder baffle defect detecting system Download PDF

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Publication number
CN206274314U
CN206274314U CN201621468109.9U CN201621468109U CN206274314U CN 206274314 U CN206274314 U CN 206274314U CN 201621468109 U CN201621468109 U CN 201621468109U CN 206274314 U CN206274314 U CN 206274314U
Authority
CN
China
Prior art keywords
led
cylinder baffle
inspection apparatus
detecting system
vision inspection
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.)
Expired - Fee Related
Application number
CN201621468109.9U
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Chinese (zh)
Inventor
马恩聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangjin District Of Chongqing City Grace Machinery Factory
Original Assignee
Jiangjin District Of Chongqing City Grace Machinery Factory
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangjin District Of Chongqing City Grace Machinery Factory filed Critical Jiangjin District Of Chongqing City Grace Machinery Factory
Priority to CN201621468109.9U priority Critical patent/CN206274314U/en
Application granted granted Critical
Publication of CN206274314U publication Critical patent/CN206274314U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of vision inspection apparatus of cylinder baffle defect detecting system, the camera lens of ccd image sensor is connected with including one end, the other end of camera lens is connected with total reflection prism, and the lower edge of camera lens is provided with LED set, and LED puts and is provided with some LEDs.The utility model improves illuminating effect by increasing LED, improves cylinder baffle defect image quality, and selection LED light source can reveal the feature of defect from background convexity to come;Because the inner chamber of cylinder baffle is smaller, video camera and camera lens directly cannot shoot to its side wall, so can only realize that the scape of cylinder inner cavity bottom surface carries out omnidirectional shooting by total reflection prism;Due to being limited by cylinder baffle inner chamber aperture, LED puts the control system for being individually provided with control LED, controls the power of LED luminosity, position to be checked is had the uniform and suitable illuminance of intensity, prominent defect and the contrast of background, simplify the design of later stage defect image algorithm.

Description

The vision inspection apparatus of cylinder baffle defect detecting system
Technical field
The utility model is related to a kind of simple structure, reasonable in design, the LED light device with light filling effect, improves vapour Cylinder shell defect image quality, simplifies the vision-based detection dress of the cylinder baffle defect detecting system of later stage defect image algorithm design Put.
Background technology
Chinese Patent Application No.:201220396796.3, disclose it is a kind of detection process use CCD detection module, The linear module of Y-axis, line slideway, Y-axis inductor, defective products fixed mount, negative pressure gauge stand are housed on its testing agency's base;XY Contiguous block is solid on line slideway and the linear module of Y-axis;X, Y-axis servo motor are connected with X, the linear module of Y-axis respectively;X-axis line Property module, Y-axis sensing chip are fixed on XY contiguous blocks;Inductor seat, KK50 modules connecting plate are solid on the linear module of X-axis;X-axis Inductor is solid on XY contiguous blocks and inductor seat;X-axis sensing chip and cylinder cushion block are solid on KK5O module connecting plates;CCD is slided Dynamic plate and ring light fixed angles are on cylinder cushion block;CCD adjustment knobs are filled on CCD sliding panels;CCD is locked on CCD sliding panels; In ring light fixed angles, suction nozzle is arranged on cylinder for circular lamp and cylinder.
Chinese Patent Application No.:201220023313.5, disclose a kind of engine cylinder locking plate press-loading piece of being applied to Visual detection equipment, includes mobile working platform, and for placing detected engine valve mounting assembly, the platform can be Moved horizontally in X and Y-axis;Detection head assembly, the detection head assembly includes a high accuracy CCD and a tight shot;Control Detecting system processed, it includes X, Y, Z axis kinetic control system and identifying system.
Foregoing invention creates complex structure, and camera lens does not have LED illumination System, is detected portion by the uneven shadow with illuminance Ring, it is impossible to prominent defect and the contrast of background, image fault may be made when the intensity of light source is larger, when the strength ratio of light source When smaller, the noise on image can be strengthened, no matter illuminance is relatively strong, weaker or uneven, can all increase the difficulty of image algorithm Degree.
Utility model content
The purpose of this utility model is the drawbacks described above for overcoming prior art, there is provided a kind of simple structure, and design is closed Reason, the LED light device with light filling effect improves cylinder baffle defect image quality, simplifies later stage defect image algorithm and sets The vision inspection apparatus of the cylinder baffle defect detecting system of meter.
To achieve the above object, the technical scheme that the utility model is provided is as follows:A kind of cylinder baffle defect detecting system Vision inspection apparatus, including one end is connected with the camera lens of ccd image sensor, and the other end of camera lens is connected with total reflection rib Mirror, the lower edge of camera lens is provided with LED set, and LED puts and is provided with some LEDs.
According to above technical requirements, the LED set is cylindrical, and the bottom of LED set has extended downwardly ledge, ledge It is provided with some LEDs.
According to above technical requirements, the ledge is in " Jiong " shape, and the plane of incidence of total reflection prism is located at " Jiong " shape Ledge indentation, there.
According to above technical requirements, the LED puts and is provided with control system, and the control system is by STC89C52 monolithics Machine, DAC0808 D/A converter modules, high-gain amplifier, constant-current source circuit composition, STC89C52 monolithics are connected by a host computer Machine exports analog voltage after being operated through high-gain by STC89C52 Single-chip Controllings DAC0808 D/A converter modules output current, It is input to constant-current source circuit and drives LED.
According to above technical requirements, in the circuit of the DAC0808 D/A converter modules, STC89C52 single-chip microcomputers with The A1-A8 pin of DAC0808 are connected for sending control code.
According to above technical requirements, the host computer connects STC89C52 single-chip microcomputers by RS232 serial ports.
Usefulness of the present utility model is:Simple structure, it is reasonable in design, by increasing LED, illuminating effect is improved, carry Cylinder baffle defect image quality high, selection LED light source can reveal the feature of defect from background convexity to come;By being totally reflected rib Be imaged onto on the photosurface of CCD relief image sensors for cylinder baffle bottom surface by mirror;Because the inner chamber of cylinder baffle is smaller, video camera and Camera lens directly cannot shoot to its side wall, so can only realize that the scape of cylinder inner cavity bottom surface is carried out entirely by total reflection prism Orientation shoots;Due to being limited by cylinder baffle inner chamber aperture, LED puts the control system for being individually provided with control LED, control The power of LED luminosity processed, makes position to be checked have the uniform and suitable illuminance of intensity, the contrast of prominent defect and background Degree, simplifies the design of later stage defect image algorithm.
Brief description of the drawings
Fig. 1 is the use state schematic diagram of the vision inspection apparatus of the utility model cylinder baffle defect detecting system;
Fig. 2 is the structural representation of the vision inspection apparatus of the utility model cylinder baffle defect detecting system;
Fig. 3 be the utility model cylinder baffle defect detecting system vision inspection apparatus described in LED control system principle Figure.
Specific embodiment
Below in conjunction with the accompanying drawings and preferred embodiment is further described with regard to the technical solution of the utility model.
As shown in Figure 1-Figure 3, the vision inspection apparatus of a kind of cylinder baffle defect detecting system described in the utility model, The camera lens 2 of ccd image sensor 1 is connected with including one end, the other end of camera lens 2 is connected with total reflection prism 3, under camera lens 2 Along LED set 4 is provided with, LED set 4 is provided with some LEDs 5.
Further, the LED set 4 is cylindrical, and the bottom of LED set 4 has extended downwardly ledge 41, in ledge 41 It is provided with some LEDs.
Further, the ledge 41 is in " Jiong " shape, and the plane of incidence 31 of total reflection prism 3 is located at the ledge of " Jiong " shape 41 indentation, theres.
Due to being limited by the inside aperture of cylinder baffle 10, the control system of control LED is individually provided with LED set 4 6, the control system 6 is by STC89C52 single-chip microcomputers, DAC0808 D/A converter modules, high-gain amplifier, constant-current source circuit group Into by host computer connection STC89C52 single-chip microcomputers by the output of STC89C52 Single-chip Controlling DAC0808 D/A converter modules Electric current exports analog voltage after being operated through high-gain, is input to constant-current source circuit and drives LED.
In the circuit of the DAC0808 D/A converter modules, STC89C52 single-chip microcomputers are connected with the A1-A8 pin of DAC0808 For sending control code.
The host computer connects STC89C52 single-chip microcomputers by RS232 serial ports.
In the present embodiment:Simple structure, it is reasonable in design, by increasing LED, illuminating effect is improved, improve cylinder baffle and lack Picture quality is fallen into, selection LED light source can reveal the feature of defect from background convexity to come;By total reflection prism by cylinder baffle Bottom surface is imaged onto on the photosurface of CCD relief image sensors;Because the inner chamber of cylinder baffle is smaller, video camera and camera lens cannot be direct Its side wall is shot, so can only realize that the scape of cylinder inner cavity bottom surface carries out omnidirectional shooting by total reflection prism;By Limited in by cylinder baffle inner chamber aperture, LED puts the control system for being individually provided with control LED, controls LED luminosity Power, make position to be checked that there is the uniform and suitable illuminance of intensity, the contrast of prominent defect and background, simplifying the later stage lacks Fall into image algorithm design.
Above-described is only principle of the present utility model and preferred embodiment.It should be pointed out that to the common skill of this area For art personnel, on the premise of the utility model principle is not departed from, moreover it is possible to make some variations and modifications, category is also should be regarded as In protection domain of the present utility model.

Claims (6)

1. a kind of vision inspection apparatus of cylinder baffle defect detecting system, it is characterised in that:Ccd image is connected with including one end The camera lens of sensor, the other end of camera lens is connected with total reflection prism, and the lower edge of camera lens is provided with LED set, and LED puts and is provided with Some LEDs.
2. vision inspection apparatus of cylinder baffle defect detecting system according to claim 1, it is characterised in that:It is described LED set is cylindrical, and the bottom of LED set has extended downwardly ledge, and ledge is provided with some LEDs.
3. vision inspection apparatus of cylinder baffle defect detecting system according to claim 2, it is characterised in that:It is described convex Frame is in " Jiong " shape, and the plane of incidence of total reflection prism is located at the ledge indentation, there of " Jiong " shape.
4. vision inspection apparatus of cylinder baffle defect detecting system according to claim 1, it is characterised in that:It is described LED puts and is provided with control system, and the control system is by STC89C52 single-chip microcomputers, DAC0808 D/A converter modules, high-gain Amplifier, constant-current source circuit composition, STC89C52 single-chip microcomputers are connected by STC89C52 Single-chip Controllings DAC0808 by a host computer D/A converter module output current exports analog voltage after being operated through high-gain, is input to constant-current source circuit and drives LED.
5. vision inspection apparatus of cylinder baffle defect detecting system according to claim 4, it is characterised in that:It is described In the circuit of DAC0808 D/A converter modules, STC89C52 single-chip microcomputers are connected for sending control with the A1-A8 pin of DAC0808 Code.
6. vision inspection apparatus of cylinder baffle defect detecting system according to claim 4, it is characterised in that:On described Position machine connects STC89C52 single-chip microcomputers by RS232 serial ports.
CN201621468109.9U 2016-12-29 2016-12-29 The vision inspection apparatus of cylinder baffle defect detecting system Expired - Fee Related CN206274314U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621468109.9U CN206274314U (en) 2016-12-29 2016-12-29 The vision inspection apparatus of cylinder baffle defect detecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621468109.9U CN206274314U (en) 2016-12-29 2016-12-29 The vision inspection apparatus of cylinder baffle defect detecting system

Publications (1)

Publication Number Publication Date
CN206274314U true CN206274314U (en) 2017-06-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106525867A (en) * 2016-12-29 2017-03-22 重庆市江津区恩聪机械厂 Visual detection device of air cylinder shell defect detection system
CN109454195A (en) * 2018-10-31 2019-03-12 安徽巨自动化装备有限公司 A kind of aluminium vehicle body self-piercing riveting riveting mould failure visible detection method
CN110646423A (en) * 2018-06-26 2020-01-03 山西裕鼎精密科技有限公司 Detection device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106525867A (en) * 2016-12-29 2017-03-22 重庆市江津区恩聪机械厂 Visual detection device of air cylinder shell defect detection system
CN110646423A (en) * 2018-06-26 2020-01-03 山西裕鼎精密科技有限公司 Detection device
CN110646423B (en) * 2018-06-26 2022-06-14 富联科技(山西)有限公司 Detection device
CN109454195A (en) * 2018-10-31 2019-03-12 安徽巨自动化装备有限公司 A kind of aluminium vehicle body self-piercing riveting riveting mould failure visible detection method
WO2020087725A1 (en) * 2018-10-31 2020-05-07 安徽巨一自动化装备有限公司 Method for visually detecting failure of self-piercing riveting die in aluminum bodywork

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170623

Termination date: 20181229