CN202006220U - Pinhole detecting device - Google Patents
Pinhole detecting device Download PDFInfo
- Publication number
- CN202006220U CN202006220U CN2011200071278U CN201120007127U CN202006220U CN 202006220 U CN202006220 U CN 202006220U CN 2011200071278 U CN2011200071278 U CN 2011200071278U CN 201120007127 U CN201120007127 U CN 201120007127U CN 202006220 U CN202006220 U CN 202006220U
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- signal
- pin hole
- data acquisition
- receiver
- light
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- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model discloses a pinhole detecting device, which comprises a light source, an optical fiber array receiver, a photoelectric receiver, a signal processor, a data acquisition card and a data acquisition processing server, wherein the light source is arranged on one side of a light-proof object, the optical fiber array receiver is arranged on the other side of the light-proof object, pinholes on the light-proof object are converted into corresponding light signals by matrix element conversion; the photoelectric receiver is connected with the optical fiber array receiver and receives the light signals subjected to the matrix element conversion and converts the same into corresponding electric signals; the signal processor is connected with the photoelectric receiver, and converts the electric signals into corresponding digital pinhole signals with grade codes; the data acquisition card is connected with the signal processor and acquires the digital pinhole signals, and the data acquisition processing server is connected with the data acquisition card and processes the received pinhole signals from the data acquisition card.
Description
Technical field
The utility model relates to a kind of photoelectric detection system, relates in particular to a kind of photoelectric detection system that is used to detect small hole.
Background technology
Owing to be subjected to the influence of factors such as supplied materials, rolling line and working environment, thin sheet metal strip is unavoidable pin hole or the micropore defective of producing in the operation of rolling, and these needle pore defects can cause very serious consequence, reduce product quality greatly.Yet but these are the very difficult discovery with the naked eye of micro hole of unit with the micron, need carry out online real-time detection by checkout equipment.
Summary of the invention
The purpose of this utility model provides a kind of pin hole checkout gear, this device utilizes optical detection principle, can accurately detect the small pin hole that occurs on the sheet metal strip, makes things convenient for quality inspection personnel to carry out quality management and control, reduce quality objection, further improve the ex factory pass rate of product.Need be appreciated that this micro hole checkout gear also is applicable to the detection of micro hole on other light tight objects.
Mentality of designing of the present utility model is: the light that light source sends after amplifying, is radiated at the surface of light tight object, if the surface of light tight object has pin hole, light will pass pin hole so, and this pin hole is carried out the conversion of optical fiber square unit, be transformed into the light energy with homenergic.Then, again the pin hole optical signal is sent to photelectric receiver, converts the signal of telecommunication to.Can judge that by the voltage threshold of setting this signal is to belong to macropore, mesopore or aperture, and the signal of telecommunication is encoded to the digital electric signal of different brackets.At last, the data acquisition process server carries out post processing to this digital electric signal.
According to above-mentioned mentality of designing, in order to realize the foregoing invention purpose, the utility model provides a kind of pin hole checkout gear, and it comprises:
One light source, it is located at a side of light tight object;
One fiber array receiver, it is located at the opposite side of light tight object, and the pin hole on the opaque object is carried out the conversion of square unit, is transformed to corresponding optical signal;
One photelectric receiver is connected with described fiber array receiver, receives the optical signal of changing through square unit and is converted into the corresponding signal of telecommunication;
One signal processor, it is connected with described photelectric receiver, and the described signal of telecommunication is converted to the corresponding digital pin hole signal with grade coding;
One data collecting card, it is connected with described signal processor, gathers described digital pin hole signal;
One data acquisition process server with described data acquisition card connection, is handled the pin hole signal that is received from data collecting card, and this processing includes but not limited to processing procedures such as demonstration, screening, warning, storage, type information.
Preferably, be connected with a signal amplifier between described photelectric receiver and the signal processor, transfer to signal processor after its signal of telecommunication that will be received from photelectric receiver amplifies.
Preferably, also be connected with a filter between described fiber array receiver and the photelectric receiver, transfer to photelectric receiver behind its optical signal filtering the conversion of fiber array receiver.
Preferably, described pin hole checkout gear also comprises light source convergence amplifying device, is located between described light tight object and the light source, is used for the light that light source sends is assembled amplification, strengthens the result of use of this device.
Preferably, described pin hole checkout gear also comprises a warning device, and it is connected with described data acquisition process server, receives the alarm signal of data acquisition process server, makes actuation of an alarm.
Pin hole checkout gear described in the utility model is carrying out pin hole when detecting: light source sends even high-brightness light, this light after overconvergence is amplified, the detected light tight object of uniform irradiation.When on the detected light tight object pin hole being arranged, irradiation light thereon will pass pin hole, after carrying out square unit conversion by the fiber array receiver, be focused on the photelectric receiver photosurface of highly sensitive fast-response, the photelectric receiver of highly sensitive fast-response becomes the optical signal that receives into the signal of telecommunication, and transfer to signal processor after by preposition signal amplifier the signal of telecommunication being amplified, the signal of telecommunication is transformed into pin hole data signal by signal processor with different order of magnitude codings.The pin hole data signal transfers to the data acquisition process server through after the collection of data collecting card, just can obtain the online testing result of pin hole, and carry out sound and light alarm on demand, forms final examining report.
Pin hole checkout gear described in the utility model is by adopting technique scheme, make it can overcome ambient light interference, mechanical oscillation interference, accurately detect micron-sized micropore, and these micropore data are stored in database, thereby significantly reduced the product quality objection of light tight object, improved product quality.
Description of drawings
Come pin hole checkout gear described in the utility model is described further below in conjunction with the drawings and specific embodiments.
Fig. 1 is the block diagram of pin hole checkout gear described in the utility model.
Fig. 2 is the workflow diagram of pinhole device described in the utility model.
The specific embodiment
In the present embodiment, this pin hole checkout gear is used to detect the small pin hole on the sheet metal strip.Light source in the pin hole checkout gear and photelectric receiver are the upper and lower that " product " font is installed in sheet metal strip respectively.Wherein, light source is positioned at sheet metal strip top, and photelectric receiver is positioned at the sheet metal strip bottom, covers the band full duration, and uses catch that metal tape edge portion is blocked, and prevents the interference of too much surround lighting.
As shown in Figure 1, pin hole checkout gear described in the utility model comprises: light source 1, and it excites by high brightness line lighting source assembly by high stability dc power supply and produces; The fiber array receiver carries out the conversion of square unit with the pin hole optical signal on the sheet metal strip 2; Photelectric receiver is connected with the fiber array receiver, receives the pin hole optical signal of changing through square unit and is converted into the corresponding signal of telecommunication; Signal amplifier (being the amplifier shown in Fig. 1) transfers to signal processor after its signal of telecommunication that will be received from photelectric receiver amplifies; Signal processor, it is connected with signal amplifier, will be converted to the corresponding digital pin hole signal with grade coding through the signal of telecommunication that amplifies; Data collecting card 3, it is connected with signal processor, gathers digital pin hole signal; Data acquisition process server 4, it is connected with data collecting card 3, and the pin hole signal that is received from data collecting card 3 is handled.
As shown in Figure 2, light source sends even high-brightness light, this light after overconvergence is amplified, along the width uniform irradiation of sheet metal strip on sheet metal strip.When on the detected sheet metal strip pin hole being arranged, irradiation light thereon will pass pin hole, after carrying out square unit conversion by the fiber array receiver, be focused on the photelectric receiver photosurface of highly sensitive fast-response, the photelectric receiver of highly sensitive fast-response becomes the optical signal that receives into the signal of telecommunication, and transfer to signal processor after by preposition signal amplifier the signal of telecommunication being amplified, the signal of telecommunication is transformed into pin hole data signal by signal processor with different order of magnitude codings, this signal processor compares pin hole data signal and the pre-set threshold that these have different order of magnitude codings simultaneously, thereby judge the order of magnitude of pin hole, after the pin hole that will meet certain standard then transfers to data collecting card, transfer to the data acquisition process server again, form final examining report.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (5)
1. a pin hole checkout gear is characterized in that, comprising:
One light source, it is located at a side of light tight object;
One fiber array receiver, it is located at the opposite side of light tight object, and the pin hole on the opaque object is carried out the conversion of square unit, is transformed to corresponding optical signal;
One photelectric receiver is connected with described fiber array receiver, receives the optical signal of changing through square unit and is converted into the corresponding signal of telecommunication;
One signal processor, it is connected with described photelectric receiver, and the described signal of telecommunication is converted to the corresponding digital pin hole signal with grade coding;
One data collecting card, it is connected with described signal processor, gathers described digital pin hole signal;
One data acquisition process server with described data acquisition card connection, is handled the pin hole signal that is received from data collecting card.
2. pin hole checkout gear as claimed in claim 1 is characterized in that, is connected with a signal amplifier between described photelectric receiver and the signal processor, transfers to signal processor after its signal of telecommunication that will be received from photelectric receiver amplifies.
3. pin hole checkout gear as claimed in claim 2 is characterized in that, also is connected with a filter between described fiber array receiver and the photelectric receiver, transfers to photelectric receiver behind its optical signal filtering with the conversion of fiber array receiver.
4. pin hole checkout gear as claimed in claim 3 is characterized in that, also comprises light source convergence amplifying device, is located between described light tight object and the light source.
5. pin hole checkout gear as claimed in claim 4 is characterized in that, also comprises a warning device, and it is connected with described data acquisition process server, receives the alarm signal of data acquisition process server, makes actuation of an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200071278U CN202006220U (en) | 2011-01-11 | 2011-01-11 | Pinhole detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200071278U CN202006220U (en) | 2011-01-11 | 2011-01-11 | Pinhole detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202006220U true CN202006220U (en) | 2011-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200071278U Expired - Fee Related CN202006220U (en) | 2011-01-11 | 2011-01-11 | Pinhole detecting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202006220U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830122A (en) * | 2012-08-16 | 2012-12-19 | 南京航空航天大学 | Micropore rapid detection method based on luminous flux and device |
| CN103185843A (en) * | 2011-12-30 | 2013-07-03 | 宝山钢铁股份有限公司 | Electromagnetic interference detecting device and method for pinhole detecting equipment |
| CN103990654A (en) * | 2014-05-07 | 2014-08-20 | 常州市艾瑞肯机电技术开发有限公司 | Panel crack detection device |
| CN111229620A (en) * | 2020-01-15 | 2020-06-05 | 河北科技大学 | Feeding wheel sorting device of woodworking feeder |
-
2011
- 2011-01-11 CN CN2011200071278U patent/CN202006220U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185843A (en) * | 2011-12-30 | 2013-07-03 | 宝山钢铁股份有限公司 | Electromagnetic interference detecting device and method for pinhole detecting equipment |
| CN103185843B (en) * | 2011-12-30 | 2015-07-22 | 宝山钢铁股份有限公司 | Electromagnetic interference detecting device and method for pinhole detecting equipment |
| CN102830122A (en) * | 2012-08-16 | 2012-12-19 | 南京航空航天大学 | Micropore rapid detection method based on luminous flux and device |
| CN103990654A (en) * | 2014-05-07 | 2014-08-20 | 常州市艾瑞肯机电技术开发有限公司 | Panel crack detection device |
| CN103990654B (en) * | 2014-05-07 | 2015-09-16 | 常州市艾瑞肯机电技术开发有限公司 | Sheet material slight crack checkout gear |
| CN111229620A (en) * | 2020-01-15 | 2020-06-05 | 河北科技大学 | Feeding wheel sorting device of woodworking feeder |
| CN111229620B (en) * | 2020-01-15 | 2021-03-30 | 河北科技大学 | Feeding wheel sorting device of woodworking feeder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111012 Termination date: 20200111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |