CN201464386U - Automatic detection device for x-ray detector - Google Patents
Automatic detection device for x-ray detector Download PDFInfo
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- CN201464386U CN201464386U CN2009201028649U CN200920102864U CN201464386U CN 201464386 U CN201464386 U CN 201464386U CN 2009201028649 U CN2009201028649 U CN 2009201028649U CN 200920102864 U CN200920102864 U CN 200920102864U CN 201464386 U CN201464386 U CN 201464386U
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Abstract
The utility model discloses an automatic detection device for an x-ray detector. The automatic detection device comprises a detection instrument and a data collecting and driving controller connected with the detection instrument, wherein, the data collecting and driving controller comprises a CPU (computer processing unit) module, a stepping motor driving module, a data collecting module, a detection instrument working state control module, and a communication module; and the stepping motor driving module, the data collecting module, the detection instrument working state control module, and the communication module are connected with the CPU module. The data collecting and driving controller is additionally arranged on the existing detector, so as to substitute traditional personnel record and manual operation, realize remote control, ensure that the detection personnel is far from a radiation field, reduce radiation injury to the detection personnel, ensure that the stepping accuracy of a stepping motor is reduced to 1mm from the original 5mm, reduce repeated operation during hand-operated measurement, reduce personnel error during timer error detection, improve detection precision and efficiency, fulfill calculation and processing of correlation data through an upper computer or an embedded system, and reduce mistake caused by manual data processing.
Description
Technical field
The utility model relates to a kind of x-ray flaw detector automatic calibration device.
Background technology
X-ray flaw detector be widely used in machining make in to inspections such as workpiece and raw-material inherent vices, therefore be the metering outfit of state compulsion calibrating.JC series of X ray inspection machine calibrating installation is the calibration equipment of domestic unique calibrating x-ray flaw detector, though can reach basic calibrating requirement, still has the following disadvantages:
1. air kerma rate, repeatability, radiation angle etc. are examined and determine the project operation complexity, and it is big to detect data volume, and the processing of related data needs the verification worker manual calculations, easily causes misoperation, data processing to make mistakes, problems such as calibrating overlong time.
2. in the verification process, verification worker need repeatedly pass in and out screened room, and the testing person is subjected to radiation injury easily.
3. the scanning step pitch has only 5mm, 20mm, and the 50mm third gear has influence on the measuring accuracy of calibrating such as radiation angle projects.
4. timer error adopts stopwatch to measure, and the personal error is excessive.
The utility model content
It is few that the utility model technical issues that need to address provide a kind of injury to operating personnel, and the calibrating data are accurate, the x-ray flaw detector automatic calibration device of high efficiency.
For addressing the above problem, technical solution adopted in the utility model is: a kind of x-ray flaw detector automatic calibration device, comprise calibrating instrument, also comprise the data acquisition and the driving governor that are connected with calibrating instrument, described data acquisition and driving governor comprise CPU module and the step motor drive module that is connected with the CPU module, data acquisition module, calibrating instrument duty control module, communication module.
Described data acquisition and driving governor also comprise data processing module, and this module adopts the multi-purpose computer with the CPU module communication.
It is the circuit of core that the step motor drive module adopts with the MAX3491 chip.
Data acquisition module is core with the optocoupler, and the optocoupler input end connects the data output end of calibrating instrument, and the output terminal of optocoupler connects the data bus of CPU.
Calibrating instrument duty control module comprises chip for driving, relay, and the control output of CPU connects the relay output winding by chip for driving, and relay contact is connected in parallel on the turret terminal of calibrating instrument.
Leak the ray calibrating instrument this novel further comprising, this leaks the ray calibrating instrument and is connected with driving governor with data acquisition by the RS485 interface.
Adopt the beneficial effect that technique scheme produced to be: this is novel on the basis of existing calibrating instrument, increase data acquisition and driving governor, replace traditional personnel record, manual operations, realized Long-distance Control, make the testing person away from radiation field, reduce radiation injury, make the stepping accuracy of stepper motor be contracted to 1mm by original 5mm to the testing person, reduced the repeatable operation in the manual measurement process simultaneously, the personal error when having reduced the timer error calibrating; Improved accuracy of detection and efficient, finished the calculating and the processing of related data, reduced makeing mistakes of personnel's data processing by host computer or embedded system.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model physical circuit schematic diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
As shown in Figure 1, this novel calibrating instrument, leakage ray calibrating instrument drawn together, and connect calibrating instrument and leak the data acquisition and the driving governor of ray calibrating instrument, described data acquisition and driving governor comprise CPU module and the step motor drive module that is connected with the CPU module, data acquisition module, calibrating instrument duty control module, communication module.
For convenience of data processing, also comprise data processing module in this novel data acquisition and the driving governor, this module can adopt multi-purpose computer, as host computer, by usb communication module and CPU module communication, by the data of CPU module reading of data acquisition module collection, certainly, data processing module also can adopt the CPU resume module, and this moment, the CPU module adopted embedded scm, and Load System and data process application constitute embedded system.
As shown in Figure 2, the single-chip microcomputer of this novel C PU module adopts MSP430p, USB interface by the USB communication module is connected with control computer (host computer), chip CH372 is as the control chip of USB interface, the 1 pin INT of CH372 links to each other with 17 pin of single-chip microcomputer MSP430p, the 44-51 pin of single-chip microcomputer MSP430p links to each other with the 10-17 pin of CH372, the transmission of data and control signal between realization single-chip microcomputer and the host computer.It is the circuit of core that the step motor drive of calibrating instrument adopts with MAX3491, and it drives the step value precision can reach 1mm.Stepper motor links to each other with driving governor with data acquisition by DB9 plug (being JP1), the 9-12 pin scope of chip MAX3491 links to each other with 2,1,3,4 pins of DB9 plug respectively, 2 of single-chip microcomputer 32-34 pin and MAX3491 chip, 3,5 pins link to each other, single-chip microcomputer passes to stepper motor by the DB9 plug to the drive signal of stepper motor after MAX3491 handles, because this single-chip microcomputer has the arithmetic speed of 8M bar instruction the stepping accuracy of calibrating instrument in verification process brought up in the 1mm scope.Calibrating instrument duty control module adopts midget relay control, the 35-43 pin of MSP430P single-chip microcomputer links to each other with the 3-7 pin of chip ULN2004A, its control signal is by the coil of the 10-14 foot control system midget relay of ULN2004A, (the duty of relay control verification instrument, comprise: the beginning of irradiation counting, Measuring Time is measured and is finished), the contact of each relay is respectively by JP2 socket (DB25) corresponding 25,24,23,22,21,20,18,17,16, original control button of 15,14,13 pin and calibrating instrument mutually and connect, be equivalent to as the button of original calibrating instrument calibrating instrument be controlled, thereby realize the remote auto of calibrating instrument duty is controlled by relay.Data acquisition module is core with the optocoupler, and the optocoupler input end connects the data output end of calibrating instrument, and the output terminal of optocoupler connects the data bus of CPU.The employing optocoupler can effectively be isolated the undesired signal between calibrating instrument and data acquisition and the driving governor, 2 pin with each optocoupler link to each other with the 1-13 pin of JP2 socket respectively, 1 pin parallel connection of each optocoupler is connected in series 1K resistance again and forms Vdata in end, this port links to each other with JP2 socket 9 pin, and 4 pin of each optocoupler are that the single-chip processor i/o mouth links to each other with single-chip microcomputer 18-27 pin.Utilize 485 interfaces to be connected with leakage ray calibrating instrument.
Upper computer software adopts Delphi7.0 to carry out the visualization procedure design, and utilizes Delphi robotization calling excel mode, convenient printing record and certificate, and the renewal of certificate and record.Upper and lower computer carries out data by USB interface and communicates by letter with control command.
When adopting host computer, the calibrating project can be in the enterprising line correlation setting of upper computer software, measure beginning back host computer control signal is passed to driver, driver makes sensor be in the measuring position according to the step value of control command control step motor, midget relay carries out the control of surveying work state to calibrating instrument, control and accept to examine and determine data by 485 interfaces to leaking the ray calibrating instrument. it is control computer that measurement result is uploaded to host computer as the intermediate link of measurement data acquisition by USB interface by the MCU of driver, upper computer software calculates the result according to the computing formula in the rules, and be recorded in the Excel form, finally call data form and print certificate.
When there not being host computer, and (embedded system is integrated on data acquisition and the driving governor when adopting embedded system, have system software and application software, interfaces such as integrated LCD screen of while, printer and keyboard), can directly carry out the setting of measurement of correlation data, and final measurement data be carried out final data handle back demonstration and printing.
Claims (6)
1. x-ray flaw detector automatic calibration device, comprise calibrating instrument, it is characterized in that: also comprise the data acquisition and the driving governor that are connected with calibrating instrument, described data acquisition and driving governor comprise CPU module and the step motor drive module that is connected with the CPU module, data acquisition module, calibrating instrument duty control module, communication module.
2. x-ray flaw detector automatic calibration device according to claim 1 is characterized in that described data acquisition and driving governor also comprise data processing module, and this module adopts the multi-purpose computer with the CPU module communication.
3. x-ray flaw detector automatic calibration device according to claim 1 is characterized in that it is the circuit of core that described step motor drive module adopts with the MAX3491 chip.
4. x-ray flaw detector automatic calibration device according to claim 1 is characterized in that described data acquisition module is core with the optocoupler, and the optocoupler input end connects the data output end of calibrating instrument, and the output terminal of optocoupler connects the data bus of CPU.
5. x-ray flaw detector automatic calibration device according to claim 1, it is characterized in that described calibrating instrument duty control module comprises chip for driving, relay, the control output of CPU connects the relay output winding by chip for driving, and relay contact is connected in parallel on the turret terminal of calibrating instrument.
6. x-ray flaw detector automatic calibration device according to claim 1 is characterized in that also comprising and leaks the ray calibrating instrument that this leaks the ray calibrating instrument and is connected with driving governor with data acquisition by the RS485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201028649U CN201464386U (en) | 2009-05-20 | 2009-05-20 | Automatic detection device for x-ray detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201028649U CN201464386U (en) | 2009-05-20 | 2009-05-20 | Automatic detection device for x-ray detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201464386U true CN201464386U (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201028649U Expired - Fee Related CN201464386U (en) | 2009-05-20 | 2009-05-20 | Automatic detection device for x-ray detector |
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| CN (1) | CN201464386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226773A (en) * | 2011-03-30 | 2011-10-26 | 马军 | Test bench for X-ray detection apparatuses |
-
2009
- 2009-05-20 CN CN2009201028649U patent/CN201464386U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226773A (en) * | 2011-03-30 | 2011-10-26 | 马军 | Test bench for X-ray detection apparatuses |
| CN102226773B (en) * | 2011-03-30 | 2013-03-13 | 马军 | Test bench for X-ray detection apparatuses |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20130520 |