CN102507612A - Detection device for accurately setting and measuring focal length of X-ray machine and method of detection device - Google Patents
Detection device for accurately setting and measuring focal length of X-ray machine and method of detection device Download PDFInfo
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- CN102507612A CN102507612A CN2011103940354A CN201110394035A CN102507612A CN 102507612 A CN102507612 A CN 102507612A CN 2011103940354 A CN2011103940354 A CN 2011103940354A CN 201110394035 A CN201110394035 A CN 201110394035A CN 102507612 A CN102507612 A CN 102507612A
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Abstract
The invention provides a detection device for accurately setting and measuring a focal length of an X-ray machine and a method of the detection device. The detection device comprises the X-ray machine, a switching device, a focal length measuring device, a focal length setting device, a laser receiving and reflecting device, a temperature measuring device, a humidity measuring device, an LED (light-emitting diode) display, a fastening device, an alarming device, a USB (universal serial bus) cable and an imaging plate. The detection device and method provided by the invention have the following beneficial effects: according to the invention, the focal length can be rapidly and accurately measured and set in the process of detecting rays, the precision of focal length measurement is greatly improved and the operating time is shortened; and the detection device and the method have the obvious advantages of high efficiency, no loss and visibility.
Description
Technical field
The present invention relates to the X-ray production apparatus focal length and accurately set and pick-up unit and the method measured, be particularly useful for the X ray detection technique in the industrial detection Application for Field.
Background technology
Picture quality during X-ray radiography receives the influence of various factors, technological parameter when comprising the various parameters of choice of X-ray production apparatus, imaging plate or choice of photographic film, transillumination and the on-the-spot operating mode of irradiation.Technological parameter when wherein main influence factor is transillumination, tube voltage, tube current, focal length, exposure all have very big influence to radiographic picture quality.Expect that best radiation exposure quality just must get a thorough understanding of the logical relation of each parameter, know the secondary from the primary, choice rationally, and in practical operation, conscientiously implement the various parameters of reasonable setting.
Focal length is that x-ray source is to the air line distance between imaging plate or the egative film.Focal length all has very big influence to each parameter of X ray.To the influence of exposure,, introduce factor in order objectively to represent the relation between focal length, exposure and the resulting actual sensitive volume of imaging plate.
; It is thus clear that it is, very big to the exposure influence in square relation of being inversely proportional to of exposure one timing factor and focal length.To geometric unsharpness (U
g) influence,
D is radiogenic effective dimensions, and T detects thickness, and focal length F equals transillumination apart from f (x-ray source is to the distance of surface of the work) and surface of the work to imaging plate or film distance b sum.Focal length is big more, and corresponding geometric unsharpness value is just more little, and corresponding image is just clear more; But not that focal length is the bigger the better; Focal length becomes the inverse square relation with factor, and in order to guarantee the detection quality of X ray, also must prevent the exposure parameter of high voltage short time.The selection of various in general transillumination mode focal lengths should be followed three kinds of principles: the requirement (2) that minimum geometric unsharpness is satisfied in (1) considers the influence (3) of transillumination thickness ratio is satisfied the requirement of radiographic contrast Geometric corrections coefficient.Based on above reason and principle, it is very big to the influence of radiation exposure to choose correct focal length.
Tube voltage, tube current, exposure, four technological parameters of focal length, wherein tube voltage, tube current, exposure can be set arbitrarily by the X-ray production apparatus controller, and focal length can not directly be set by controller.Present X-ray production apparatus does not all have the professional measuring system of focal length, the domestic isolated plant of yet accurately not measuring to industrial X-ray irradiation focal length.Common method is that to carry out measuring error with the tape measure focusing very big, and focal length selects rule and analysis of image data extremely important to ray irradiation process parameter, thus design one accurately the device of focometry and setting be necessary very much.
Summary of the invention
The objective of the invention is to measure accurately, rapidly and the focal length of setting X-ray production apparatus, for research in electrical equipment the various parameters of X-ray production apparatus choose with Flame Image Process the time algorithm picks focal length numerical basis accurately can both be provided.
The present invention realizes through following technical proposal.
A kind of X-ray production apparatus focal length is accurately set and the pick-up unit of measuring, and the present invention includes X-ray production apparatus, switchgear, focometry device, focal length setting device, laser pick-off and reflection unit, temperature measuring equipment, humidity measuring instrument, light-emitting diode display, fastener, warning device, USB line, imaging plate; Its syndeton is that pick-up unit is connected with X-ray production apparatus, fastener respectively; Pick-up unit is connected with reflection unit with laser pick-off through the USB line, and laser pick-off and reflection unit bottom are connected with imaging plate; Imaging plate is connected with focal length setting device, light-emitting diode display respectively; The focal length setting device is connected with warning device, switchgear, focometry device respectively; Light-emitting diode display is connected with temperature measuring equipment, humidity measuring instrument, focometry device respectively.
Fastener of the present invention comprises the C jacket tube of bracelet handle, and Button Handle is provided with 1 group of above screw hole of symmetry; The sleeve middle part is set with apparatus for placing, and wired hole is offered in the apparatus for placing bottom, also is provided with railing on the apparatus for placing.
A kind of X-ray production apparatus focal length is accurately set the method with the pick-up unit of measuring, and step of the present invention is following, at first X-ray production apparatus and imaging plate is arranged; With the laser beam emitting head parallel aligned of the indication point and the pick-up unit of X-ray production apparatus emitting head, with fastener pick-up unit is fixed in the probe position of X-ray production apparatus then; With the USB line pick-up unit agent set and laser pick-off and reflection unit are coupled together; With laser pick-off and reflection unit and in the same plane, photosensitive area is aimed at the laser probe of agent set with imaging plate; Open the switch focusing and measure or configure the position of adjustment X-ray production apparatus and imaging plate behind the focal length; Focal length, temperature, humidity data above the record light-emitting diode display; Unplug the USB line and pull down laser pick-off and reflection unit; Powered-down is also installed protective cover; Carry out x-ray bombardment and detect site test; After all site test finishes agent set is pulled down.
It is following that focal length of the present invention is set step; At first input needs the focal length value of setting; Start test procedure then, in adjustment X-ray production apparatus position, the focometry device is the distance between measured X X-ray machine X and imaging plate and being presented on the LED always; If measured value d will send first kind of alarm sound greater than setting value l, just can go to reduce the distance between X-ray production apparatus and the imaging plate according to prompt tone; If measured value d will send second kind of alarm sound less than setting value l, just can go to increase the distance between X-ray production apparatus and the imaging plate according to prompt tone, measured value d equals at 1 o'clock, and light-emitting diode display shows the real focal length value.
Beneficial effect of the present invention does, through the present invention can realize fast, the measurement and the setting of focal length during accurately to ray detection, the precision that has improved focometry greatly with shortened the activity duration, the present invention has efficiently, can't harm, visual remarkable advantage.
Further specify content of the present invention below in conjunction with accompanying drawing and instance.
Description of drawings
Fig. 1 is a structured flowchart of the present invention;
Fig. 2 is that X-ray production apparatus focal length of the present invention is accurately set and the subject detection apparatus structure synoptic diagram of measuring;
Fig. 3 is that X-ray production apparatus focal length of the present invention is accurately set and the fastener structural representation of measuring;
Fig. 4 is the working method process flow diagram of the accurate setting device of X-ray production apparatus focal length of the present invention;
Fig. 5 is that X-ray production apparatus focal length of the present invention is accurately set and laser pick-off and the reflection unit structural representation measured;
Fig. 6 is that X-ray production apparatus focal length of the present invention is accurately set and the detection method process flow diagram of measuring.
Embodiment
As shown in Figure 1; A kind of X-ray production apparatus focal length is accurately set and the pick-up unit of measuring, and the present invention includes X-ray production apparatus, switchgear, focometry device, focal length setting device, laser pick-off and reflection unit, temperature measuring equipment, humidity measuring instrument, light-emitting diode display, fastener, warning device, USB line, imaging plate; Its syndeton is that pick-up unit is connected with X-ray production apparatus, fastener respectively; Pick-up unit is connected with reflection unit with laser pick-off through the USB line, and laser pick-off and reflection unit bottom are connected with imaging plate; Imaging plate is connected with focal length setting device, light-emitting diode display respectively; The focal length setting device is connected with warning device, switchgear, focometry device respectively; Light-emitting diode display is connected with temperature measuring equipment, humidity measuring instrument, focometry device respectively.
Fastener of the present invention comprises the C jacket tube of bracelet handle, and Button Handle is provided with 1 group of above screw hole of symmetry; The sleeve middle part is set with apparatus for placing, and wired hole is offered in the apparatus for placing bottom, also is provided with railing on the apparatus for placing.
A kind of X-ray production apparatus focal length is accurately set the method with the pick-up unit of measuring, and step of the present invention is following, and is as shown in Figure 6, at first X-ray production apparatus and imaging plate arranged; With the laser beam emitting head parallel aligned of the indication point and the pick-up unit of X-ray production apparatus emitting head, with fastener pick-up unit is fixed in the probe position of X-ray production apparatus then; With the USB line pick-up unit agent set and laser pick-off and reflection unit are coupled together; With laser pick-off and reflection unit and in the same plane, photosensitive area is aimed at the laser probe of agent set with imaging plate; Open the switch focusing and measure or configure the position of adjustment X-ray production apparatus and imaging plate behind the focal length; Focal length, temperature, humidity data above the record light-emitting diode display; Unplug the USB line and pull down laser pick-off and reflection unit; Powered-down is also installed protective cover; Carry out x-ray bombardment and detect site test; After all site test finishes agent set is pulled down.
It is following that focal length of the present invention is set step; As shown in Figure 4, at first input needs the focal length value of setting, starts test procedure then; In adjustment X-ray production apparatus position; The focometry device is the distance between measured X X-ray machine X and imaging plate and being presented on the LED always, if measured value d will send first kind of alarm sound greater than setting value l, just can go to reduce the distance between X-ray production apparatus and the imaging plate according to prompt tone; If measured value d will send second kind of alarm sound less than setting value l, just can go to increase the distance between X-ray production apparatus and the imaging plate according to prompt tone, measured value d equals at 1 o'clock, and light-emitting diode display shows the real focal length value.
(1) switchgear; This device is used for the open and close of setting of X-ray production apparatus focal length and measurement mechanism; The focal length of X-ray production apparatus is set and is arranged the back or after measurement mechanism finishes to the focometry of X-ray production apparatus at the focal length setting device; Just must power supply be turned off, the IMAQ generation of X-ray production apparatus seriously disturbed to prevent the pulse signal that laser aid produces.
(2) focometry device, this device adopts advanced at present LDMS, can select different accuracy class focusings to measure according to demands of different, and measurement result is accepted or rejected automatically and is presented on the LED according to the accuracy requirement number of bits.
The focal length setting device is that single-chip microcomputer focal length initialization system and the warning boom unit by independent development combines, and utilizes the focus information of button input appointment and the information of hummer that X-ray production apparatus and imaging plate are carried out distance adjustment.
(3) laser pick-off and reflection unit utilize the special photosensitive material to judge whether to receive laser pulse signal, and the deviation that prevents irradiation position causes the mistake of focometry.Because the digital imagery plate is integrated by the COMS memory chip, price is very expensive, so will avoid the direct projection of laser as far as possible, laser pick-off and reflection unit also are a kind of protections to imaging plate.
(4) temperature measuring equipment in view of temperature has certain influence to digital imagery, is connected with light-emitting diode display at integral device temperature sensor of inner interpolation and with it.
(5) humidity measuring instrument in view of humidity has certain influence to digital imagery, is connected with light-emitting diode display at integral device humidity sensor of inner interpolation and with it.
(6) light-emitting diode display is used to show information such as focal length, outdoor temperature and humidity.
(7) fastener, fastener are designed to easy-to-dismount form, and on-test is installed fastener, measure to finish and can disassemble.
(8) warning device is used for focal length and sets the back to the prompting of positional information during the distance adjustment between X-ray production apparatus and the imaging plate, and the prompting of whether receiving laser pulse signal of laser pick-off and reflection unit.
(9) protective device, higher to accuracy requirement based on the single unit system of LDMS, equipment manufacturing cost is high, for preventing fortuitous event, installs the back at device and adds a protective cover in the device outside.
(10) USB line is used to connect agent set and laser pick-off and reflection unit, and laser pick-off and reflection unit are passed to the information whether control system receives laser pulse signal through the USB line.
As shown in Figure 2, this figure has provided the agent set synoptic diagram of the accurate pick-up unit of setting and measuring of X-ray production apparatus focal length.The 1st, the X-ray production apparatus focal length is accurately set main part with the pick-up unit of measuring and is comprised laser range finder and light-emitting diode display, temperature sensor, humidity sensor, warning horn.The 2nd, laser pick-off and reflection unit, its underpart promptly is an imaging plate, and is connected with the USB line between the pick-up unit main body.The 3rd, X-ray production apparatus is fixed on the agent set generating laser on the same plane of x-ray source with fastener.The 4th, equipment to be detected can be with all fixed thereon of imaging plate and laser pick-off and reflection unit, and 5 is the emission line of X-ray production apparatus after the laser beam emitting head parallel aligned of indication point and pick-up unit of X-ray production apparatus emitting head.
As shown in Figure 3, this figure has provided the fastener synoptic diagram of the accurate pick-up unit of setting and measuring of X-ray production apparatus focal length.Wherein 6 is holding screw holes, and its cooperation fastening bolt will detect agent set and be fixed on the X-ray production apparatus; The 7th, sleeve is processed with elastomeric material in order to protect the X-ray production apparatus outer sleeve, is enclosed within the X-ray machine X outside during use; The 8th, the pick-up unit apparatus for placing only need be put into it with pick-up unit during work and get final product; 9 is two USB and wire guide, conveniently pick-up unit is connected; The 10th, railing prevents that the subject detection device from dropping when agent set is placed into contained location.
As shown in Figure 5, this figure has provided the X-ray production apparatus focal length and has accurately set and laser pick-off and the reflection unit measured.The 11st, the installation and the bracing or strutting arrangement of reception and reflection unit are to be processed by plastic material.The 12nd, laser pick-off and reflection unit are to be processed by photosensitive material, and are connected with the USB line between the pick-up unit.The 13rd, handle is used for convenient laser pick-off and the reflection unit of moving when measuring with setting.
Claims (4)
1. an X-ray production apparatus focal length is accurately set and the pick-up unit of measuring; It is characterized in that, comprise X-ray production apparatus, switchgear, focometry device, focal length setting device, laser pick-off and reflection unit, temperature measuring equipment, humidity measuring instrument, light-emitting diode display, fastener, warning device, USB line, imaging plate; Its syndeton is that pick-up unit is connected with X-ray production apparatus, fastener respectively; Pick-up unit is connected with reflection unit with laser pick-off through the USB line, and laser pick-off and reflection unit bottom are connected with imaging plate; Imaging plate is connected with focal length setting device, light-emitting diode display respectively; The focal length setting device is connected with warning device, switchgear, focometry device respectively; Light-emitting diode display is connected with temperature measuring equipment, humidity measuring instrument, focometry device respectively.
2. a kind of X-ray production apparatus focal length as claimed in claim 1 is accurately set and the pick-up unit of measuring, and it is characterized in that fastener comprises the C jacket tube of bracelet handle, and Button Handle is provided with 1 group of above screw hole of symmetry; The sleeve middle part is set with apparatus for placing, and wired hole is offered in the apparatus for placing bottom, also is provided with railing on the apparatus for placing.
3. a kind of X-ray production apparatus focal length as claimed in claim 1 is accurately set the method with the pick-up unit of measuring, and it is characterized in that step is following, at first X-ray production apparatus and imaging plate is arranged; With the laser beam emitting head parallel aligned of the indication point and the pick-up unit of X-ray production apparatus emitting head, with fastener pick-up unit is fixed in the probe position of X-ray production apparatus then; With the USB line pick-up unit agent set and laser pick-off and reflection unit are coupled together; With laser pick-off and reflection unit and in the same plane, photosensitive area is aimed at the laser probe of agent set with imaging plate; Open the switch focusing and measure or configure the position of adjustment X-ray production apparatus and imaging plate behind the focal length; Focal length, temperature, humidity data above the record light-emitting diode display; Unplug the USB line and pull down laser pick-off and reflection unit; Powered-down is also installed protective cover; Carry out x-ray bombardment and detect site test; After all site test finishes agent set is pulled down.
4. a kind of X-ray production apparatus focal length as claimed in claim 3 is accurately set the method with the pick-up unit of measuring; It is characterized in that; It is following that focal length is set step, and at first input needs the focal length value of setting, starts test procedure then; In adjustment X-ray production apparatus position; The focometry device is the distance between measured X X-ray machine X and imaging plate and being presented on the LED always, if measured value d will send first kind of alarm sound greater than setting value l, just can go to reduce the distance between X-ray production apparatus and the imaging plate according to prompt tone; If measured value d will send second kind of alarm sound less than setting value l, just can go to increase the distance between X-ray production apparatus and the imaging plate according to prompt tone, measured value d equals at 1 o'clock, and light-emitting diode display shows the real focal length value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103940354A CN102507612A (en) | 2011-12-02 | 2011-12-02 | Detection device for accurately setting and measuring focal length of X-ray machine and method of detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103940354A CN102507612A (en) | 2011-12-02 | 2011-12-02 | Detection device for accurately setting and measuring focal length of X-ray machine and method of detection device |
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| CN102507612A true CN102507612A (en) | 2012-06-20 |
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| CN2011103940354A Pending CN102507612A (en) | 2011-12-02 | 2011-12-02 | Detection device for accurately setting and measuring focal length of X-ray machine and method of detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833484A (en) * | 2015-05-12 | 2015-08-12 | 上海锅炉厂有限公司 | Laser focusing device |
| CN107024491A (en) * | 2017-04-13 | 2017-08-08 | 云南电网有限责任公司电力科学研究院 | A kind of X-ray nondestructive detection system and its detection method |
| CN108535285A (en) * | 2017-03-03 | 2018-09-14 | 防城港市港口区思达电子科技有限公司 | The autofocus system of X-ray production apparatus auxiliary adjusting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6821017B1 (en) * | 2001-08-06 | 2004-11-23 | Steven C. Tankersley | Radiated signal measuring device for radiographic imaging equipment |
| US20050013407A1 (en) * | 2003-05-16 | 2005-01-20 | Peter Scheuering | Method and x-ray apparatus for determining the x-ray dose in an x-ray examination |
| US20070140429A1 (en) * | 2005-05-12 | 2007-06-21 | Martin Hoheisel | Method for monitoring an x-ray apparatus and x-ray apparatus |
| CN101236068A (en) * | 2008-03-05 | 2008-08-06 | 中国原子能科学研究院 | X-ray beam central axis indicating method and positioning tool nested ring thereof |
-
2011
- 2011-12-02 CN CN2011103940354A patent/CN102507612A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6821017B1 (en) * | 2001-08-06 | 2004-11-23 | Steven C. Tankersley | Radiated signal measuring device for radiographic imaging equipment |
| US20050013407A1 (en) * | 2003-05-16 | 2005-01-20 | Peter Scheuering | Method and x-ray apparatus for determining the x-ray dose in an x-ray examination |
| US20070140429A1 (en) * | 2005-05-12 | 2007-06-21 | Martin Hoheisel | Method for monitoring an x-ray apparatus and x-ray apparatus |
| US7290930B2 (en) * | 2005-05-12 | 2007-11-06 | Siemens Aktiengesellschaft | Method for monitoring an x-ray apparatus and x-ray apparatus |
| CN101236068A (en) * | 2008-03-05 | 2008-08-06 | 中国原子能科学研究院 | X-ray beam central axis indicating method and positioning tool nested ring thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833484A (en) * | 2015-05-12 | 2015-08-12 | 上海锅炉厂有限公司 | Laser focusing device |
| CN104833484B (en) * | 2015-05-12 | 2017-11-21 | 上海锅炉厂有限公司 | A kind of laser focusing device |
| CN108535285A (en) * | 2017-03-03 | 2018-09-14 | 防城港市港口区思达电子科技有限公司 | The autofocus system of X-ray production apparatus auxiliary adjusting device |
| CN107024491A (en) * | 2017-04-13 | 2017-08-08 | 云南电网有限责任公司电力科学研究院 | A kind of X-ray nondestructive detection system and its detection method |
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