CN105606043A - Cable core eccentricity detection apparatus and cable core eccentricity detection method - Google Patents
Cable core eccentricity detection apparatus and cable core eccentricity detection method Download PDFInfo
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- CN105606043A CN105606043A CN201510578430.6A CN201510578430A CN105606043A CN 105606043 A CN105606043 A CN 105606043A CN 201510578430 A CN201510578430 A CN 201510578430A CN 105606043 A CN105606043 A CN 105606043A
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Abstract
The invention relates to a cable core eccentricity detection apparatus. The apparatus comprises a supersonic generator, a sensor, a signal conditioning circuit, an acquisition card, a computer data processing apparatus and a result display apparatus. By using the cable core eccentricity detection apparatus, through using a supersonic wave detection technology and measuring a core wire insulating layer thickness, on-line monitoring of cable core eccentricity is realized.
Description
Technical field
The present invention relates to a kind of cable core Accentric detector and cable core eccentric detection method.
Background technology
Along with the development of China's power industry and communication career, the application of cable product has been deep into the every field of national economy, and from daily life to industrial production, demand is all increasing year by year. The quality of the cable product quality of production, is directly connected to entire society and produces and live. In cable product quality problems, the heart yearn bias in cable manufacturing process is a key factor that affects cable quality. Heart yearn bias refers to conductive cable cores and insulating barrier decentraction, makes insulation thickness difference in cable cross-section. For power cable, cable is eccentric can affect its electric property, causes the insulating capacity variation of cable, after cable comes into operation, is easily short-circuited, the accident such as insulation breakdown; For communication cable and data cable, conductor wire core and insulating barrier decentraction will cause the mutual capacitance of cable inhomogeneous, thereby cause the SRL of cable to increase, and cable transmission bandwidth is declined, the data distortion of transmission, has a strong impact on the quality of transfer of data and communication. Therefore, be necessary on conventional wire cable production line, the eccentric relevant important parameter of cable heart yearn to be detected, the cable that production line is produced is not eccentric, thereby reduce to greatest extent waste of material and percent defective, reach and promote conventional wire cable production line production precision, the ability of high-quality cable and the object of production efficiency.
At present, in cable production, eccentricity detecting mainly contains two kinds, and one is by virtue of experience to adopt artificial stripping to detect by experienced operator, and another is to utilize X ray to carry out eccentric online detection to detect. In above-mentioned two kinds of methods, traditional destructive stripping detection method can not the Real-Time Monitoring condition of production, and measure error is large, and efficiency is low; Based on the online test method of X ray, can better complete online Detection task, but because X ray has radiation, the requirement of shelter to ray in use is higher, cost performance is lower.
Summary of the invention
In order to promote the cable quality of production, to enhance productivity, technical scheme of the present invention is:
A kind of cable core Accentric detector, comprising: supersonic generator, sensor, signal conditioning circuit, capture card, computer data processing unit and device displaying result.
Preferably, described computer data processing unit has the control section of controlling described ultrasonic signal generator.
Preferably, described device displaying result is host computer display section.
Preferably, described signal conditioning circuit comprises echo-signal amplifying circuit and filter circuit.
The present invention also provides a kind of cable core eccentric detection method, said method comprising the steps of:
A, supersonic generator produce the ultrasonic signal that detects use;
B, sensor receive the ultrasonic wave that cable core surfaces externally and internally reflects, and convert the echo signal of telecommunication to;
The echo signal of telecommunication that C, signal conditioning circuit receive sensor carries out pretreatment;
D, capture card carry out analog-to-digital conversion to the echo signal of telecommunication;
E, computer data processing unit carry out data analysis processing to the echo signal of telecommunication, draw the degree of eccentricity of cable heart yearn by Computer Analysis processing, judge whether eccentric and eccentric situation of heart yearn;
The data that F, device displaying result draw detection show.
Preferably, before described steps A, further comprising the steps of:
G, computer data processing unit connect and control supersonic generator.
Beneficial effect of the present invention is: utilize ultrasonic detection technology, by measuring core insulation layer thickness, realized the on-line monitoring of cable core bias, that this detection method has is easy to use, speed is fast, harmless and be convenient to the features such as on-the-spot use.
Brief description of the drawings
Fig. 1 is the schematic diagram of cable core Accentric detector of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, the present invention is further elaborated:
Cable core Accentric detector comprises supersonic generator, sensor, signal conditioning circuit, capture card, computer data processing unit and device displaying result.
Supersonic generator is for generation of detecting required ultrasonic signal, ultrasonic signal is running into after cable core, a part is reflected back toward sensor at outer surface, some returns sensor at internal surface reflection, utilize the time difference of ultrasonic wave surfaces externally and internally reflection, can measure thickness of insulating layer, and then judge the eccentric situation of heart yearn.
Sensor is transducer, the ultrasonic wave reflecting for receiving heart yearn surfaces externally and internally, and convert the echo signal of telecommunication to, and by echo electric signal transmission to signal conditioning circuit.
Signal conditioning circuit comprises echo-signal amplifying circuit and filter circuit, carries out pretreatment for the echo signal of telecommunication that sensor is connect to transmission, extracts useful information. Be that signal conditioning circuit amplifies and filtering the echo signal of telecommunication, and transfer to capture card.
Capture card is for the analog-to-digital conversion of the echo signal of telecommunication, and coupled computer data processing equipment carries out data processing.
Computer data processing unit, for the data analysis processing of the echo signal of telecommunication, draws the degree of eccentricity of cable heart yearn by Computer Analysis processing, judge whether bias and eccentric situation of heart yearn. Preferably, this computer data processing unit also has the control section of controlling ultrasonic signal generator, like this, needn't be just a ultrasonic signal emitters external controller again.
The data that device displaying result draws detection show intuitively, are convenient to user monitoring management. Preferably, device displaying result is host computer display section.
Cable core Accentric detector of the present invention can be realized a kind of cable core eccentric detection method, and the method comprises the following steps:
Step 1: computer data processing unit connects and controls supersonic generator,
Step 2: supersonic generator produces the ultrasonic signal that detects use;
Step 3: sensor receives the ultrasonic wave that cable core surfaces externally and internally reflects, and converts the echo signal of telecommunication to;
Step 4: the echo signal of telecommunication that signal conditioning circuit receives sensor carries out pretreatment, wherein pretreatment comprises amplification and the filtering to the echo signal of telecommunication;
Step 5: capture card carries out analog-to-digital conversion to the echo signal of telecommunication;
Step 6: computer data processing unit carries out data analysis processing to the echo signal of telecommunication, draws the degree of eccentricity of cable heart yearn by Computer Analysis processing, judge whether eccentric and eccentric situation of heart yearn;
Step 7: the data that device displaying result draws detection show.
Above-mentioned detection device is utilized ultrasonic detection technology, by measuring core insulation layer thickness, has realized the on-line monitoring of cable core bias, and that this detection method has is easy to use, speed is fast, harmless and be convenient to the features such as on-the-spot use.
The above embodiment, it is preferred embodiments of the present invention, be not to limit practical range of the present invention, the equivalence of doing according to structure, feature and principle described in the present patent application the scope of the claims therefore all changes or modifies, and all should be included in patent claim of the present invention.
Claims (6)
1. a cable core Accentric detector, is characterized in that, described cable core is inclined to one sideHeart checkout gear comprises: supersonic generator, and sensor, signal conditioning circuit, capture card,Computer data processing unit and device displaying result.
2. a kind of cable core Accentric detector as claimed in claim 1, its feature existsIn, described computer data processing unit has the control of controlling described ultrasonic signal generatorPart processed.
3. a kind of cable core Accentric detector as claimed in claim 1, its feature existsIn, described device displaying result is host computer display section.
4. a kind of cable core Accentric detector as claimed in claim 1, its feature existsIn, described signal conditioning circuit comprises echo-signal amplifying circuit and filter circuit.
5. a cable core eccentric detection method, is characterized in that, utilizes claim 1To the cable core Accentric detector described in 4 any one, described method comprises following stepRapid:
A, supersonic generator produce the ultrasonic signal that detects use;
B, sensor receive the ultrasonic wave that cable core surfaces externally and internally reflects, and convert toThe echo signal of telecommunication;
The echo signal of telecommunication that C, signal conditioning circuit receive sensor carries out pretreatment;
D, capture card carry out analog-to-digital conversion to the echo signal of telecommunication;
E, computer data processing unit carry out data analysis processing to the echo signal of telecommunication, pass throughComputer Analysis processing draws the degree of eccentricity of cable heart yearn, judges that whether heart yearn is eccentric and eccentricSituation;
The data that F, device displaying result draw detection show.
6. a kind of cable core eccentric detection method as claimed in claim 5, its feature existsIn, before described steps A, further comprising the steps of:
G, computer data processing unit connect and control supersonic generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510578430.6A CN105606043A (en) | 2015-09-11 | 2015-09-11 | Cable core eccentricity detection apparatus and cable core eccentricity detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510578430.6A CN105606043A (en) | 2015-09-11 | 2015-09-11 | Cable core eccentricity detection apparatus and cable core eccentricity detection method |
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| CN105606043A true CN105606043A (en) | 2016-05-25 |
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| CN201510578430.6A Pending CN105606043A (en) | 2015-09-11 | 2015-09-11 | Cable core eccentricity detection apparatus and cable core eccentricity detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115137A (en) * | 2018-06-20 | 2019-01-01 | 合肥工业大学 | A kind of clamped-in style live electric cable thickness of insulating layer and inside and outside calipers |
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| CN1357100A (en) * | 1999-04-20 | 2002-07-03 | 加拿大国家研究局 | Laser-ultrasonic measurement of wall thickness |
| CN104776819A (en) * | 2015-04-18 | 2015-07-15 | 上海和伍新材料科技有限公司 | Ultrasonic thickness measuring method |
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Patent Citations (4)
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| US3929006A (en) * | 1973-11-26 | 1975-12-30 | Western Electric Co | Measuring article thickness ultrasonically |
| JPS6125007A (en) * | 1984-07-13 | 1986-02-03 | Dainichi Nippon Cables Ltd | Deflected part displaying method of cable sheath |
| CN1357100A (en) * | 1999-04-20 | 2002-07-03 | 加拿大国家研究局 | Laser-ultrasonic measurement of wall thickness |
| CN104776819A (en) * | 2015-04-18 | 2015-07-15 | 上海和伍新材料科技有限公司 | Ultrasonic thickness measuring method |
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| 李应松: "超声波电缆芯线在线检测系统的研究与开发", 《中国优秀博硕士学位论文全文数据库（硕士）工程科技Ⅱ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115137A (en) * | 2018-06-20 | 2019-01-01 | 合肥工业大学 | A kind of clamped-in style live electric cable thickness of insulating layer and inside and outside calipers |
| CN109115137B (en) * | 2018-06-20 | 2020-09-04 | 合肥工业大学 | Clamping type live cable insulation layer thickness and inner and outer diameter measuring device |
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Application publication date: 20160525 |