CN113280761A - Cable infrared eccentricity detection device and detection method under shaking - Google Patents
Cable infrared eccentricity detection device and detection method under shaking Download PDFInfo
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- CN113280761A CN113280761A CN202110705880.2A CN202110705880A CN113280761A CN 113280761 A CN113280761 A CN 113280761A CN 202110705880 A CN202110705880 A CN 202110705880A CN 113280761 A CN113280761 A CN 113280761A
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- cable
- infrared
- vibration
- ccd image
- 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
Abstract
An infrared eccentricity detection device and a detection method for a cable under shaking. 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: the device comprises a box body (3), a circular ring disc (5), two shaking clamps, two lamp discs (4) and an infrared CCD image collector (1), wherein the infrared CCD image collector is fixed at the bottom of the box body and used for collecting images of cables, and the two shaking clamps are distributed on two sides of the box body; the shaking clamp comprises a channel steel (7), a lower buckle plate (10), an upper buckle plate (8) and a vibrating motor (15), wherein the channel steel is fixed at the bottom of the lower buckle plate, the vibrating motor is fixed in the channel steel, the upper buckle plate is buckled on the lower buckle plate and is fixed with the lower buckle plate through a bolt, the bottom of the channel steel is fixed with the upper end of a spring (6), and the bottom of the spring is fixed with a circular disc. The method is used for infrared eccentricity detection of the cable under shaking.
Description
Technical Field
The invention relates to a cable infrared eccentricity detection device and a detection method under shaking.
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 infrared eccentricity detection device and a detection method under shaking so as to overcome the defects in the prior art.
In order to achieve the purpose, the invention provides a cable infrared eccentricity detection device under shaking and a detection method, wherein the cable infrared eccentricity detection device under shaking comprises a box body, a circular ring disc, two shaking clamps, two lamp panels and an infrared CCD image collector, wherein the infrared CCD image collector is fixed at the bottom of the box body and used for collecting images of cables, and the two shaking clamps are distributed on two sides of the box body;
the shake holder include channel-section steel, lower buckle, go up buckle and shock dynamo, the channel-section steel be fixed in the bottom of lower buckle, the channel-section steel internal fixation have shock dynamo, last buckle detain lower buckle on and with lower buckle pass through the bolt fastening, the bottom of channel-section steel fixed with the upper end of spring, the bottom of spring with the ring dish fixed.
As a further description of the infrared eccentricity detection device for cable under shake according to the present invention, preferably, a sliding rod is fixed on each of the two lamp panels, the sliding rod passes through a circular hole at the concave shell on the side of the box body and is in sliding fit with the circular hole, 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 infrared eccentricity detecting device of a cable under shake according to the present invention, preferably, two shake holders are clamped at both ends of the cable.
As a further description of the detection method of the cable infrared eccentricity detection device under shake, the method includes the following steps:
the first step is as follows: opening an upper cover of the box body, clamping the cable by shaking clampers 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 disc to enable the position of the visible light lamp disc to be opposite to that of the infrared CCD image collector, starting a vibration motor, respectively installing the vibration motors on two vibration holders, wherein the vibration frequency and the vibration amplitude of the vibration motors are the same, so that the concentric vibration of the cable can be ensured, starting the visible light lamp disc, emitting visible light at the moment, shielding the part, irradiated on the cable, of the visible light by the cable, directly irradiating the part, not irradiated 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: the visible light lamp disc is closed, the sliding rod is slid to enable the visible light lamp disc to slide into the concave shell, then the infrared light lamp disc is opposite to the infrared CCD image collector, the vibration motors are started, the vibration motors are respectively installed on the two vibration holders, the vibration frequency and the vibration amplitude of the two vibration motors are the same, concentric vibration of the cable can be guaranteed, the infrared light lamp disc is started, infrared light can penetrate through the cable sheath of the cable but cannot penetrate through the cable core, the part which does not irradiate on the cable directly irradiates on the infrared CCD image collector, and at the moment, the image of the cable core is displayed on the infrared CCD image collector;
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 measure the eccentricity of the cable under the condition of shaking, and simultaneously, the shaking amplitude can be adjusted by adjusting the position of the eccentric block of the vibrating motor.
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 a structure irradiated by infrared light;
FIG. 4 is a schematic view of a structure irradiated by visible light;
FIG. 5 is a schematic illustration of an 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; 5. a ring plate; 6. a spring; 7. channel steel; 8. an upper buckle plate; 9. a cable; 10. a lower buckle plate; 11. an infrared light panel; 12. a visible light lamp panel; 13. a slide bar; 14. a concave shell; 15. a vibration motor.
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 infrared eccentricity detection device for a cable under shaking in the first embodiment comprises a box body 3, a circular disc 5, two shaking clamps, two lamp discs 4 and an infrared CCD image collector 1, wherein the infrared CCD image collector is fixed at the bottom of the box body and used for collecting images of the cable, and the two shaking clamps are distributed on two sides of the box body;
the shake holder include channel-section steel 7, lower buckle 10, go up buckle 8 and shock dynamo 15, the channel-section steel be fixed in the bottom of lower buckle, the channel-section steel internal fixation have shock dynamo, last buckle detain lower buckle on and with lower buckle pass through the bolt fastening, the bottom of channel-section steel fixed with the upper end of spring 6, the bottom of spring with the ring dish fixed.
In a second specific embodiment, the present embodiment is a further description of the infrared eccentricity detecting device for cable under shake described in the first specific embodiment, two of the lamp panels are respectively fixed with a sliding rod 13, the sliding rod passes through a circular hole at the concave shell 14 on the side surface of the box body and is in sliding fit with the circular hole, one of the two lamp panels is a visible light lamp panel 12, and the other is an infrared light lamp panel 11.
In a third embodiment, the present embodiment is further described with respect to the infrared eccentricity detecting apparatus under shaking according to the first embodiment, wherein two shaking clamps are clamped at two ends of the cable.
In a fourth specific embodiment, the present embodiment is a method for detecting a cable turning-type infrared eccentricity detection apparatus, including the steps of:
the first step is as follows: opening an upper cover of the box body, clamping the cable by shaking clampers 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 disc to enable the position of the visible light lamp disc to be opposite to that of the infrared CCD image collector, starting a vibration motor, respectively installing the vibration motors on two vibration holders, wherein the vibration frequency and the vibration amplitude of the vibration motors are the same, so that the concentric vibration of the cable can be ensured, starting the visible light lamp disc, emitting visible light at the moment, shielding the part, irradiated on the cable, of the visible light by the cable, directly irradiating the part, not irradiated 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: the visible light lamp disc is closed, the sliding rod is slid to enable the visible light lamp disc to slide into the concave shell, then the infrared light lamp disc is opposite to the infrared CCD image collector, the vibration motors are started, the vibration motors are respectively installed on the two vibration holders, the vibration frequency and the vibration amplitude of the two vibration motors are the same, concentric vibration of the cable can be guaranteed, the infrared light lamp disc is started, infrared light can penetrate through the cable sheath of the cable but cannot penetrate through the cable core, the part which does not irradiate on the cable directly irradiates on the infrared CCD image collector, and at the moment, the image of the cable core is displayed on the infrared CCD image collector;
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}。
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 (4)
1. The infrared eccentricity detection device for the cable under shaking is characterized by comprising a box body, a circular ring disc, two shaking clamps, two lamp panels and an infrared CCD image collector, wherein the infrared CCD image collector is fixed at the bottom of the box body and used for collecting images of the cable;
the shake holder include channel-section steel, lower buckle, go up buckle and shock dynamo, the channel-section steel be fixed in the bottom of lower buckle, the channel-section steel internal fixation have shock dynamo, last buckle detain lower buckle on and with lower buckle pass through the bolt fastening, the bottom of channel-section steel fixed with the upper end of spring, the bottom of spring with the ring dish fixed.
2. The infrared eccentricity detecting device of cable under shake as claimed in claim 1, wherein a slide bar is fixed on each of the two lamp panels, the slide bar passes through a circular hole at the concave shell of the side of the box body and is in sliding fit with the circular hole, one of the two lamp panels is a visible light lamp panel, and the other is an infrared light lamp panel.
3. The infrared eccentricity detecting device under shake of claim 2, wherein two of said shake holders are held at both ends of the cable.
4. A method for detecting an infrared eccentricity detecting device of a cable under shake according to any one of claims 1 to 3, wherein the method comprises the steps of:
the first step is as follows: opening an upper cover of the box body, clamping the cable by shaking clampers 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 disc to enable the position of the visible light lamp disc to be opposite to that of the infrared CCD image collector, starting a vibration motor, respectively installing the vibration motors on two vibration holders, wherein the vibration frequency and the vibration amplitude of the vibration motors are the same, so that the concentric vibration of the cable can be ensured, starting the visible light lamp disc, emitting visible light at the moment, shielding the part, irradiated on the cable, of the visible light by the cable, directly irradiating the part, not irradiated 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: the visible light lamp disc is closed, the sliding rod is slid to enable the visible light lamp disc to slide into the concave shell, then the infrared light lamp disc is opposite to the infrared CCD image collector, the vibration motors are started, the vibration motors are respectively installed on the two vibration holders, the vibration frequency and the vibration amplitude of the two vibration motors are the same, concentric vibration of the cable can be guaranteed, the infrared light lamp disc is started, infrared light can penetrate through the cable sheath of the cable but cannot penetrate through the cable core, the part which does not irradiate on the cable directly irradiates on the infrared CCD image collector, and at the moment, the image of the cable core is displayed on the infrared CCD image collector;
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}。
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| CN202110705880.2A CN113280761A (en) | 2021-06-24 | 2021-06-24 | Cable infrared eccentricity detection device and detection method under shaking |
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| CN202110705880.2A CN113280761A (en) | 2021-06-24 | 2021-06-24 | Cable infrared eccentricity detection device and detection method under shaking |
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2021
- 2021-06-24 CN CN202110705880.2A patent/CN113280761A/en active Pending
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