CN113218341A - Cable turning type infrared eccentricity detection device and detection method - Google Patents
Cable turning type infrared eccentricity detection device and detection method Download PDFInfo
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- CN113218341A CN113218341A CN202110559619.6A CN202110559619A CN113218341A CN 113218341 A CN113218341 A CN 113218341A CN 202110559619 A CN202110559619 A CN 202110559619A CN 113218341 A CN113218341 A CN 113218341A
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- cable
- infrared
- box body
- eccentricity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B11/272—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes using photoelectric detection means
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Provided are a cable turning type infrared eccentricity detection device and a detection method. In order to solve the problem that the detection is performed by the experience only by adopting manual stripping and cutting by skilled workers in the production of the power cable, the invention comprises the following components: box (3), two holders (7), two lamp panels (4) and an infrared CCD image collector (1), be fixed with slide bar (17) on two lamp panels respectively, the slide bar pass the round hole of box side concave shell (11) department and with round hole sliding fit, infrared CCD image collector is fixed in the bottom half and is used for the image acquisition to the cable, two holders distribute in the box both sides, be used for to the centre gripping of cable both ends, pivot (8) on its holder pass the box side and pass through the bearing with the box side and be connected, the pivot end fixing of one of them holder has rim plate (10), the lateral surface of this side box is fixed with circular volume angle dish (9), the rim plate is arranged with circular volume angle dish is concentric. The invention is used for infrared eccentricity detection of cables.
Description
Technical Field
The invention relates to a cable turning type infrared eccentricity detection device and a detection method.
Background
The power cable industry develops rapidly, eccentricity is one of the extremely important problems in cable production, effective insulation thickness can be reduced due to the eccentricity of the cable, performance parameters of the cable are affected, therefore, eccentricity detection must be carried out on the cable, and at present, the detection can be carried out only by manual stripping and cutting by means of experience in the power cable production.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a cable turning type infrared eccentricity detection device and a detection method so as to overcome the defects in the prior art.
In order to achieve the purpose, the invention provides a cable turning type infrared eccentric detection device and a detection method, the cable turning type infrared eccentric detection device comprises a box body, two clamping devices, two lamp panels and an infrared CCD image collector, wherein slide bars are respectively fixed on the two lamp panels, the slide bars penetrate through round holes at concave shells on the side surfaces of the box body and are in sliding fit with the round holes, the infrared CCD image collector is fixed at the bottom of the box body and is used for collecting images of cables, the two clamping devices are distributed on two sides of the box body and are used for clamping two ends of the cables, a rotating shaft on each clamping device penetrates through the side surface of the box body and is connected with the side surface of the box body through a bearing, a wheel disc is fixed at the end part of the rotating shaft of one clamping device, and a round angle measuring disc is fixed on the outer side surface of the box body on the side, the wheel disc and the circular angle measuring disc are arranged concentrically.
As a further description of the cable direction-changing infrared eccentricity detection device, preferably, the holder includes a rotating shaft, four brackets, four clamping arms and a threaded sleeve, the threaded sleeve is sleeved on the rotating shaft and is in threaded connection with the threaded section of the rotating shaft, the four brackets are fixed on four side surfaces of the square shaft section of the rotating shaft, and each bracket is rotatably connected with one clamping arm.
As a further description of the cable direction-changing infrared eccentricity detection device, preferably, one of the two lamp panels is a visible light lamp panel, and the other is an infrared light lamp panel.
As a further description of the cable turning type infrared eccentricity detection device, preferably, the top of the box body is connected with the upper cover through a hinge.
As a further description of the detection method of the cable turning type infrared eccentricity detection device, the method includes the following steps:
the first step is as follows: opening an upper cover of the box body, clamping the cable by the clamping devices at two ends, closing the upper cover of the box body, and opening the infrared CCD image collector;
the second step is that: sliding a sliding rod of the visible light lamp panel to enable the end part of the sliding rod to be abutted against the side face of the box body, enabling the position of the visible light lamp panel to be opposite to the position of the infrared CCD image collector, starting the visible light lamp panel, emitting visible light at the moment, enabling the visible light to irradiate the position on the cable to be shielded by the cable, directly irradiating the part which does not irradiate on the cable on the infrared CCD image collector, and displaying an image of the cable on the infrared CCD image collector at the moment;
the third step: closing the visible light lamp panel, sliding the sliding rod to enable the visible light lamp panel to slide into the concave shell, then sliding the sliding rod of the infrared light lamp panel to enable the end portion of the sliding rod to be abutted against the side face of the box body, enabling the infrared light lamp panel to be opposite to the infrared CCD image collector at the moment, starting the infrared light lamp panel, emitting infrared light at the moment, enabling the infrared light to irradiate on the cable, enabling the infrared light to penetrate through the cable sheath of the cable but not penetrate through the cable core, enabling the part which does not irradiate on the cable to directly irradiate on the infrared CCD image collector, and displaying an image of the cable core on the infrared CCD image collector at the moment;
the fourth step: the infrared CCD image collector transmits the collected cable image and the core image to a computer, and the two images are overlapped to form a complete cable and core position distribution image;
the fifth step: calculating the eccentricity of the cable according to the image, wherein the outer diameter of the cable is D, the inner diameter of the cable is D, and the distance between two edges is D respectively during eccentricity1And d2The formula of the eccentricity is as follows:
wherein: dmin＝min{d1，d2}。
The invention has the beneficial effects that:
1. according to the invention, through the form of infrared light and visible light irradiation, the visible light irradiation acquires the whole image of the cable, the infrared light irradiation acquires the core image of the cable, the eccentricity ratio can be calculated through the combination of the infrared light irradiation and the core image of the cable, and the eccentricity ratio detection is nondestructive detection.
2. The invention can realize the eccentricity of different parts by rotating the cable by a certain angle, thereby measuring the maximum eccentricity.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic view of the structure of the holder;
FIG. 6 is a schematic structural view of the spindle;
FIG. 7 is a schematic view of a structure irradiated by infrared light;
FIG. 8 is a schematic view of a structure irradiated by visible light;
FIG. 9 is a schematic illustration of eccentricity calculation;
the reference numerals are explained below:
1. an infrared CCD image collector; 2. an upper cover; 3. a box body; 4. a lamp panel; 7. a holder; 8. a rotating shaft; 9. a circular protractor disc; 10. a wheel disc; 11. a concave shell; 12. a support; 13. a threaded sleeve; 14. clamping arms; 17. a slide bar; 18. a circular shaft section; 19. a threaded segment; 20. a square shaft section; 21. a cable; 22. an infrared light panel; 23. visible light lamp panel.
Detailed Description
To further understand the structure, characteristics and other objects of the present invention, the following detailed description is given with reference to the accompanying preferred embodiments, which are only used to illustrate the technical solutions of the present invention and are not to limit the present invention.
In a first specific embodiment, the cable direction-changing infrared eccentricity detection device comprises a box body 3, two holders 7, two lamp panels 4 and an infrared CCD image collector 1, wherein slide bars 17 are respectively fixed on the two lamp panels and fixed in an adhesive manner, the slide bars pass through round holes in a concave shell 11 on the side surface of the box body and are in sliding fit with the round holes, the infrared CCD image collector is fixed at the bottom of the box body and is used for collecting images of cables, the holders are fixed by screws, the two holders are distributed on two sides of the box body and are used for holding two ends of the cables, a rotating shaft 8 on each holder passes through the side surface of the box body and is connected with the side surface of the box body through a bearing, a wheel disc 10 is fixed at the end part of the rotating shaft of one holder and is fixed in an adhesive manner, the outer side surface of the side box body is fixed with a circular angle measuring disc 9 which is fixed in an adhesive mode, and the wheel disc and the circular angle measuring disc are arranged concentrically.
In a second specific embodiment, the second specific embodiment further describes the cable turning type infrared eccentricity detection apparatus in the first specific embodiment, the holder includes a rotating shaft 8, four brackets 12, four clamping arms 14 and a threaded sleeve 13, the threaded sleeve is sleeved on the rotating shaft and is in threaded connection with the threaded section of the rotating shaft, the four brackets are fixed on four side surfaces of the square shaft section of the rotating shaft, and each bracket is rotatably connected with one clamping arm.
In a third embodiment, the present embodiment is a further description of the cable turning infrared eccentricity detecting apparatus in the first embodiment, wherein one of the two lamp panels is a visible light lamp panel 23, and the other is an infrared light lamp panel 22.
In a fourth specific embodiment, the cable turning infrared eccentricity detection apparatus according to the first specific embodiment is further described, wherein the top of the box body is connected with the upper cover 2 through a hinge.
In a fifth embodiment, the present embodiment is a method for detecting a cable turning type infrared eccentricity detecting apparatus, including the steps of:
the first step is as follows: opening an upper cover of the box body, clamping the cable by the clamping devices at two ends, closing the upper cover of the box body, and opening the infrared CCD image collector;
the screw sleeve is rotated to enable the screw sleeve to move towards two sides of the box body, the four clamping arms are in a loosening state, then the cable is placed in the box body, the end part of the cable is located between the four clamping arms, then the screw sleeve is rotated to enable the screw sleeve to move towards the center, the inner surface of the screw sleeve is in contact with the clamping arms and pushes against the clamping arms, the four clamping arms are in a clamping state, the cable is clamped, and the two clamping devices are respectively clamped at two ends of the cable;
the second step is that: sliding a sliding rod of the visible light lamp panel to enable the end part of the sliding rod to be abutted against the side face of the box body, enabling the position of the visible light lamp panel to be opposite to the position of the infrared CCD image collector, starting the visible light lamp panel, emitting visible light at the moment, enabling the visible light to irradiate the position on the cable to be shielded by the cable, directly irradiating the part which does not irradiate on the cable on the infrared CCD image collector, and displaying an image of the cable on the infrared CCD image collector at the moment;
the third step: closing the visible light lamp panel, sliding the sliding rod to enable the visible light lamp panel to slide into the concave shell, then sliding the sliding rod of the infrared light lamp panel to enable the end portion of the sliding rod to be abutted against the side face of the box body, enabling the infrared light lamp panel to be opposite to the infrared CCD image collector at the moment, starting the infrared light lamp panel, emitting infrared light at the moment, enabling the infrared light to irradiate on the cable, enabling the infrared light to penetrate through the cable sheath of the cable but not penetrate through the cable core, enabling the part which does not irradiate on the cable to directly irradiate on the infrared CCD image collector, and displaying an image of the cable core on the infrared CCD image collector at the moment;
the fourth step: the infrared CCD image collector transmits the collected cable image and the core image to a computer, and the two images are overlapped to form a complete cable and core position distribution image;
can be through rotating the rim plate for the cable rotates certain angle, can observe the pivoted angle from circular protractor, and the above-mentioned step is repeated after rotating, continues to rotate the collection of certain angle back cable and sinle silk image, surveys this eccentricity, can survey the biggest eccentricity through repeating above-mentioned step.
The fifth step: calculating the eccentricity of the cable according to the image, wherein the outer diameter of the cable is D, the inner diameter of the cable is D, and two edges are eccentricEdge distances are respectively d1And d2The formula of the eccentricity is as follows:
wherein: dmin＝min{d1，d2}。
It should be noted that the above summary and the detailed description are intended to demonstrate the practical application of the technical solutions provided by the present invention, and should not be construed as limiting the scope of the present invention. Various modifications, equivalent substitutions, or improvements may be made by those skilled in the art within the spirit and principles of the invention. The scope of the invention is to be determined by the appended claims.
Claims (5)
1. A cable turning type infrared eccentricity detection device is characterized by comprising a box body, two holders, two lamp panels and an infrared CCD image collector, wherein slide bars are respectively fixed on the two lamp panels, the slide bar passes through the round hole at the concave shell at the side surface of the box body and is in sliding fit with the round hole, the infrared CCD image collector is fixed at the bottom of the box body and is used for collecting the image of the cable, the two clampers are distributed at the two sides of the box body and are used for clamping the two ends of the cable, the rotating shaft on the clamper passes through the side surface of the box body and is connected with the side surface of the box body through a bearing, a wheel disc is fixed at the end part of a rotating shaft of one of the holders, a circular angle measuring disc is fixed on the outer side surface of the side box body, and the wheel disc and the circular angle measuring disc are arranged concentrically.
2. The infrared eccentricity detecting device of claim 1, wherein the clamp comprises a rotating shaft, four brackets, four clamping arms and a threaded sleeve, the threaded sleeve is sleeved on the rotating shaft and is in threaded connection with the threaded section of the rotating shaft, the four brackets are fixed on four sides of the square shaft section of the rotating shaft, and each bracket is rotatably connected with one clamping arm.
3. The infrared eccentricity detecting device as claimed in claim 2, wherein one of the two lamp panels is a visible light panel, and the other is an infrared light panel.
4. The infrared eccentricity detection device of claim 3, wherein the top of the box body is connected with the upper cover through hinges.
5. A method for detecting a cable turning type infrared eccentricity detecting device as recited in any one of claims 1 to 4, comprising the steps of:
the first step is as follows: opening an upper cover of the box body, clamping the cable by the clamping devices at two ends, closing the upper cover of the box body, and opening the infrared CCD image collector;
the second step is that: sliding a sliding rod of the visible light lamp panel to enable the end part of the sliding rod to be abutted against the side face of the box body, enabling the position of the visible light lamp panel to be opposite to the position of the infrared CCD image collector, starting the visible light lamp panel, emitting visible light at the moment, enabling the visible light to irradiate the position on the cable to be shielded by the cable, directly irradiating the part which does not irradiate on the cable on the infrared CCD image collector, and displaying an image of the cable on the infrared CCD image collector at the moment;
the third step: closing the visible light lamp panel, sliding the sliding rod to enable the visible light lamp panel to slide into the concave shell, then sliding the sliding rod of the infrared light lamp panel to enable the end portion of the sliding rod to be abutted against the side face of the box body, enabling the infrared light lamp panel to be opposite to the infrared CCD image collector at the moment, starting the infrared light lamp panel, emitting infrared light at the moment, enabling the infrared light to irradiate on the cable, enabling the infrared light to penetrate through the cable sheath of the cable but not penetrate through the cable core, enabling the part which does not irradiate on the cable to directly irradiate on the infrared CCD image collector, and displaying an image of the cable core on the infrared CCD image collector at the moment;
the fourth step: the infrared CCD image collector transmits the collected cable image and the core image to a computer, and the two images are overlapped to form a complete cable and core position distribution image;
the fifth step: calculating the eccentricity of the cable according to the image, wherein the outer diameter of the cable is D, the inner diameter of the cable is D, and the distance between two edges is D respectively during eccentricity1And d2The formula of the eccentricity is as follows:
wherein: dmin＝min{d1，d2}。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559619.6A CN113218341A (en) | 2021-05-21 | 2021-05-21 | Cable turning type infrared eccentricity detection device and detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559619.6A CN113218341A (en) | 2021-05-21 | 2021-05-21 | Cable turning type infrared eccentricity detection device and detection method |
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| CN113218341A true CN113218341A (en) | 2021-08-06 |
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| CN202110559619.6A Pending CN113218341A (en) | 2021-05-21 | 2021-05-21 | Cable turning type infrared eccentricity detection device and detection method |
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2021
- 2021-05-21 CN CN202110559619.6A patent/CN113218341A/en active Pending
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| US5602668A (en) * | 1994-11-30 | 1997-02-11 | International Business Machines Corporation | Data communications and illuminated light on the same optical fiber |
| JPH1020142A (en) * | 1996-07-05 | 1998-01-23 | Furukawa Electric Co Ltd:The | Observation system for optical fiber, and its method using the same, system and method for aligning optical axis of optical fiber |
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Application publication date: 20210806 |