CN201281802Y - Image reception instrument and portable glittering X ray detection instrument containing the same - Google Patents
Image reception instrument and portable glittering X ray detection instrument containing the same Download PDFInfo
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- CN201281802Y CN201281802Y CNU2007201909337U CN200720190933U CN201281802Y CN 201281802 Y CN201281802 Y CN 201281802Y CN U2007201909337 U CNU2007201909337 U CN U2007201909337U CN 200720190933 U CN200720190933 U CN 200720190933U CN 201281802 Y CN201281802 Y CN 201281802Y
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- receiving instrument
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Abstract
The utility model provides an image receiver as well as a portable flash X-ray inspection tester comprising thereof, which are used in a double module communication filed. The image receiver which is constructed to receive and process signals of an X-ray source comprises a power module, a scintillation screen, a CCD camera, an X-ray source, a CCD control circuit and a network switching circuit, wherein, an input end of the network switching circuit is connected with a video output end of the CCD camera, the output end thereof is connected with a network interface on a box body of the image receiver, so as to convert the video signals into a format signal and send the format signals to control equipment by a network transmission circuit, and the network switching circuit converts startup scanning signals into TTL signals from the control equipment. By converting the video signals into the format signals, the cable network and the wireless network can be utilized to transmit signals at the same time, therefore, the transmission mode of data can be chosen by users according to his or her own requirements, the switching operation is simple, and the use occasions of the portable type flash X-ray inspection tester are expanded.
Description
Technical field
The utility model relates to the radiant image technology, in particular to a kind of portable flash X-ray detector and the image receiving instrument that is used for described portable flash X-ray detector.Relate in particular to a kind of image receiving instrument that uses in the dual mode communication field and the portable flash X-ray detector that comprises it.
Background technology
X ray projection imaging technology is widely used in safety inspection, Non-Destructive Testing and area of medical diagnostics.Early stage X-ray radiography technology adopts film imaging, then by film is exposed, processing such as photographic fixing, development obtain needed image.Along with the development of computer technology and Digital image technology, the digital X-ray imaging technique has progressively substituted traditional film camera technology, and it adopts digital imaging technology, can show resulting image in real time, has overcome the shortcoming of conventional film imaging.
Existing digital X-ray imaging device is mainly used in the occasion of hospital, airport, customs, station and various Non-Destructive Testings.They are very heavy usually, need move very inconvenient by heavy high-voltage power supply power supply.Therefore, under some special occasions, need a kind of light x-ray imaging equipment.At present widely used is portable flash X-ray detector.This portable somascope is converted to visible images by the X ray scintillation screen with radioscopic image, utilizes ccd video camera that visible images is captured, the video image of outputting standard.Pass through concentric cable then with the PCMCIA image pick-up card of transmission of video images to the notebook, carry out image and show, storage and handling.Owing to used coaxial cable, the portable flash X-ray detector of this structure is poisonous or require the special occasions of the airtight or hidden check system in space obviously to be very limited at some, and the image data transmission distance also is subjected to the length restriction of coaxial cable.In addition because what adopt is the continuous images capture card, be difficult to and the flash X-ray source between carry out precise synchronization, produce the stable bad of system.Along with the development of radio network technique, the portable flash X-ray detector based on wireless network transmissions has appearred, and it adopts wireless mode to give notebook with the image that the image receiving instrument obtains.Because signal security is not high, shortcoming such as be interfered easily, therefore, this portable flash X-ray detector is in some field, and as occasions such as anti-terror explosive removing, battle reconnaissances, practicality is relatively poor.
The utility model content
In order to improve the communication mode between existing portable flash X-ray detector and the opertaing device, the portable flash X-ray detector that the utility model provides a kind of image receiving instrument and comprises this image receiving instrument, thereby communication mode supplies it to select for use for the user provides flexibly, so that adapt to different applied environments.
The technical scheme that the utility model solves the problems of the technologies described above is: a kind of image receiving instrument is provided, and it is configured to receive and handle the signal of x-ray source, and described image receiving instrument comprises:
The power module of power supply is provided for described image receiving instrument;
To be the scintillation screen of visible images from the conversion of signals of described x-ray source, this scintillation screen be positioned at casing one side of described image receiving instrument;
Obtain visible images on this scintillation screen to generate the ccd video camera of video signal, this ccd video camera is aimed at the full visual field of scintillation screen; And
Control radiographic source and the CCD control circuit of the time shutter of the spill time of this x-ray source and this ccd video camera;
Wherein, described image receiving instrument also comprises the network switch circuit, the input of described network switch circuit links to each other with the video output terminals of ccd video camera, the output of described network switch circuit links to each other with the network interface on the casing of described image receiving instrument, so that described vision signal is converted to formatted signal, and via the Network Transmission circuit described formatted signal is transmitted into opertaing device, and described network switch circuit will be converted to the TTL signal from the startup sweep signal of opertaing device.
In addition, the utility model also provides a kind of portable flash X-ray detector, and it comprises:
Produce the portable flash X-ray source of x-ray;
Above-mentioned image receiving instrument;
Control the opertaing device of described portable flash X-ray source and described image receiving instrument; With
The Network Transmission circuit that connects described image receiving instrument and described opertaing device.
, can on wired and wireless network, transmit simultaneously by vision signal being converted to the unified format signal according to described Portable X-ray somascope of the present utility model.For wire transmission mode, no longer direct transportation simulator picture signal, but with the digital signal of straight through cable transmission formatting, improved the ability of anti-electromagnetic interference (EMI).In addition, adopt the dual mode communication mode to expand the use occasion of portable flash X-ray detector greatly.Thereby the user can select data transfer mode voluntarily according to the practical application needs, switches simple.Preferably, described formatted signal is the signal that is suitable for Network Transmission, for example meets RJ 45 signals of IEEE802.3 consensus standard.
According to an embodiment of the present utility model, described image receiving instrument also comprises the battery electric quantity supervisory circuit.Described electric weight supervisory circuit comprises electric weight pilot lamp control circuit, utilizes pilot lamp to point out when battery electric quantity is not enough.Simultaneously, described battery electric quantity supervisory circuit also comprises the electric weight real-time monitoring circuit, it can be converted to the magnitude of voltage at battery two ends frequency signal and send it to network switch circuit, give opertaing device through described network switch circuit transmission, thereby can realize electric weight monitoring in real time and demonstration by opertaing device.Because the utility model adopts powered battery, plug when electric weight is not enough that civil power can work on and charging simultaneously, thereby strengthened the practicality and the reliability of described portable flash X-ray detector.
According to another embodiment of the present utility model, described radiographic source and CCD control circuit receive the TTL output from the network switch circuit, and are converted into x-ray source control signal and CCD exposure control signal.Described radiographic source and CCD control circuit comprise:
With door, its input end links to each other with the output terminal Q0 of network switch circuit, and another input end links to each other with the output terminal Q1 of network switch circuit via the 4th phase inverter, and its output terminal links to each other with the input end of first phase inverter;
First, second that is connected in series and the 3rd phase inverter successively, the output terminal of described the 3rd phase inverter links to each other by pull-up resistor and ccd video camera exposure control end; And
N type triode, its base stage links to each other with the output terminal of second phase inverter, and the control end of the same relay of collector links to each other, and the output terminal of wherein said relay goes out to restraint control end with x-ray source and links to each other.Radiographic source of the present utility model and CCD control circuit are simple in structure, utilize simple discrete component to realize, have therefore reduced manufacturing cost.Described control circuit can also accurately be controlled the time shutter of ccd video camera and the spill time of x-ray source, make described spill time and CCD keep synchronously integral time, reduced thus in the prior art owing to the fuzzy possibility of producing missing image synchronously.
In addition, can pass through the network switch circuit, utilize opertaing device (for example notebook or desktop computer) accurately to control the input signal of described radiographic source and CCD control circuit, make operating personnel just can adjust time shutter of the present utility model and spill time by a kind of simple directly mode, increasing the time shutter as required obtains more distinct image to strengthen penetration power, perhaps under the situation that relatively is easy to imaging, reduce the time shutter to save energy.
Description of drawings
Fig. 1, according to the structured flowchart of the dual mode communication portable flash X-ray detector of a kind of embodiment of the utility model.
Fig. 2, according to the structural representation of image receiving instrument of the present utility model.
The theory diagram of the radiographic source of Fig. 3, image receiving instrument and CCD control circuit.And
The theory diagram of the battery electric quantity supervisory circuit of Fig. 4, image receiving instrument.
Embodiment
Fig. 1 shows the structured flowchart according to the portable flash X-ray system 100 of an embodiment of the utility model.Described system comprises: portable flash X-ray source 110, portable image receiving instrument 112, opertaing device (for example, notebook) 114 and Network Transmission circuit 116.The X ray control signal that described portable flash X-ray source 110 produces according to the control circuit in the image receiving instrument 112 produces the x-ray that is used to shine inspected object.
Referring to Fig. 2, Fig. 2 is the structural representation according to image receiving instrument of the present utility model.Image receiving instrument 112 is by X ray scintillation screen 201, ccd video camera 202, network switch box 203, power module 204, and radiographic source and CCD control circuit 205, receiving instrument casing 206 are formed.Described image receiving instrument casing 206 is by inner blacking, to reduce the scattering of light.X ray scintillation screen 201 is positioned at a side of receiving instrument case 206, is used for radioscopic image is converted to visible images.Ccd video camera 202 is fixed in the receiving instrument case 206, by regulating camera lens, can make the full visual field of camera alignment scintillation screen 201.Alternatively, described ccd video camera adopts 10 UNIQ 680 CCD digital cameras, and video output interface is a Camera Link interface.The X ray that is produced by x-ray source 110 passes inspected object and gets on the scintillation screen 201, is converted to visible fluoroscopic image.202 pairs of described fluoroscopic images of ccd video camera are captured then, thereby produce the visible video signal of human eye.
Network switch circuit 203 places in the receiving instrument case 206, and its input links to each other with the video output terminals of CCD, and its output links to each other with the network interface on the receiving instrument case.Described network switch circuit 203 is used to the vision signal from ccd video camera is converted to formatted signal, via Network Transmission circuit 116 described formatted signal is transmitted into opertaing device; And described network switch circuit receives from opertaing device 114 and starts sweep signal, is converted into the TTL signal, so that offer radiographic source and CCD control circuit 205.Power module 204 places in the receiving instrument case 206, it for each ingredient of image receiving instrument and and the Network Transmission circuit power supply is provided, for example, when described Network Transmission circuit is wireless transmission, for its wireless router provides power supply.
Radiographic source and CCD control circuit 205 also place in the receiving instrument case 206.Described image receiving instrument can also comprise electric weight supervisory circuit 207.Wherein electric weight supervisory circuit 207 output terminal links to each other with a red and green color display lamp on the receiving instrument case, utilizes pilot lamp to point out when battery electric quantity is not enough.Simultaneously, described battery circuit supervisory circuit can be converted to frequency signal to the magnitude of voltage at battery two ends.Described frequency signal is provided for network switch circuit 203, and the formatted signal by the latter is converted to standard is transferred to opertaing device then, thereby can realizes electric weight monitoring in real time and demonstration by opertaing device.To 3,4 specifically describe radiographic source and CCD control circuit 205 and electric weight supervisory circuit in conjunction with the accompanying drawings respectively hereinafter.
Fig. 3 is radiographic source and CCD control circuit theory diagram.This radiographic source and CCD control circuit receive the TTL output from the network switch circuit, and are converted into x-ray source control signal and CCD exposure control signal.Described radiographic source and CCD control circuit comprise one with door, describedly link to each other with the output terminal Q0 of network switch circuit with an input end of door, wherein Q0 is the TTL signal that the startup sweep signal of notebook is exported through the network switch circuit.Describedly link to each other with the output terminal Q1 of network switch circuit by the 4th phase inverter U1D with another input end of door, its output terminal links to each other with the input end of the first phase inverter U1A.Q0 and Q1 all are output terminals of network switch circuit, and a very narrow positive pulse output is all arranged when device power simultaneously.The misoperation of x-ray source when powering in order to eliminate, we with Q1 anti-phase after again with Q0 with.The stable back Q1 that powers on is low level always, and Q0 is controlled by notebook then, is used for starting scanning.First phase inverter be connected in series the successively second phase inverter U1B and the 3rd phase inverter U1C.The output terminal of the 3rd phase inverter U1C links to each other with ccd video camera exposure control end by pull-up resistor.Described radiographic source and CCD control circuit also comprise a N type triode, and its base stage links to each other with the output terminal PtCtrl of the second phase inverter U1B, and its collector links to each other with a control end of relay.The output of described relay goes out to restraint control end with x-ray source and links to each other.
Radiographic source of the present utility model and CCD control circuit are simple in structure, and for example, 4 phase inverters wherein can use a 74LS04 chip to realize, thereby have reduced manufacturing cost.Described control circuit can also accurately be controlled the time shutter of ccd video camera and the spill time of x-ray source, make described spill time and CCD keep synchronously integral time, reduced thus in the prior art owing to the fuzzy possibility of producing missing image synchronously.
Fig. 4 is the theory diagram of the battery electric quantity supervisory circuit of image receiving instrument.Described electric weight supervisory circuit comprises: electric weight pilot lamp control circuit, realize by comparer LM239, N type triode T2 and double-colored display lamp T3.When cell voltage was higher than 14V, double-colored display lamp was green, represented that described image receiving instrument can operate as normal; When being lower than 14V,, show the electric weight deficiency, need charging in time for red.
Yet, in real work,, thereby might ignore the state of described electric weight pilot lamp owing to the operator can will concentrate on the opertaing device.Advantageously, described electric weight supervisory circuit also comprises an electric weight real-time monitoring circuit, is realized by voltage-frequency converter LM231.The output terminal Vbat-out of described electric weight real-time monitoring circuit links to each other with the input port of network switch circuit, and described frequency signal is sent on the opertaing device via the Network Transmission circuit.Described opertaing device can read this frequency signal by computer software or hardware.
In described opertaing device, comprise a comparer, be used for the same frequency threshold of the frequency signal that is read (for example, described threshold value can be selected as 72Hz) is compared.Can keep the operate as normal of image receiving instrument when the frequency that reads shows battery electric quantity during greater than described threshold value, when being lower than threshold value, show the electric weight deficiency.When electric weight was not enough, described comparer can produce the output device that a brake signal is given opertaing device, provided an alarm signal, indication electric weight deficiency to the operator of opertaing device.Described alarm signal can be reminded the operator in time to change battery or charges the battery in the mode of audible (by audio frequency apparatuses such as loudspeaker, hummers) or visual (by display, perhaps equipment such as signal lamp).This is especially useful when opertaing device and image receiving instrument are in diverse location respectively, because the operator can't observe or be difficult to observe electric weight pilot lamp on the image receiving instrument, thereby the utility model is directly given the operator with the information notification of electric weight deficiency in a kind of mode intuitively.As known to those skilled in the art, in opertaing device of the present utility model, can utilize software to realize described comparer.
Alternatively, because the utility model adopts powered battery, plug when electric weight is not enough that civil power can work on and charging simultaneously, thereby strengthened the practicality and the reliability of described portable flash X-ray detector.
Below will briefly introduce system work process of the present utility model.At first select communication mode,, therefore, can use straight through cable or wireless network to transmit easily because the vision signal that ccd video camera produced is converted into the unified format signal.For wire transmission mode, no longer direct transportation simulator picture signal, but with the digital signal of shielded cable transmission formatting, improved the ability of anti-electromagnetic interference (EMI).In addition, adopt the dual mode communication mode to expand the use occasion of portable flash X-ray detector greatly.The user can select data transfer mode voluntarily according to the practical application needs, switches simple.For example poisonous or require can select to use wireless transmission method under the airtight or hidden special occasions in space at some, come transmission of control signals and video signal by wireless router with communication mode well known in the art; Disturb and to select to use cable network when too much yet strengthen confidentiality or spacing wireless, communicate by straight through cable, for example under occasions such as anti-terror explosive removing or battle reconnaissance at needs.
Set the ccd video camera time shutter according to the character (for example, volume, material etc.) of inspected object then, the described time shutter is no longer than 4 seconds, such as being chosen as 1 second.Can utilize opertaing device (for example, notebook) to produce the startup sweep signal of a described time shutter of expression simply, be transferred to the networking change-over circuit of image receiving instrument by the communication mode of selecting by software.Those skilled in the art can understand the various signal modulation systems that are used to represent certain hour length.Preferably, described startup sweep signal is a positive pulse, and its pulse width is x-ray source spill time and CCD integral time, and for example 1 second, it was set as required by the user.Described positive pulse signal can be controlled the time shutter in a kind of directly simple mode by being used in combination with radiographic source of the present utility model and CCD control circuit.
Described network switch circuit is handled it after receiving described startup sweep signal, to obtain the described time shutter and to generate a TTL control signal, sends it to radiographic source and CCD control circuit.Shown in Figure of description 3, radiographic source and CCD control circuit be according to two pulse signals of described TTL control signal output, and one is used for starting and the control x-ray source sends a plurality of X ray flashes of light, and one is used for starting simultaneously CCD and begins exposure.The equal in length of the time span of these two pulse signals and described startup sweep signal.Because they all are controlled by same TTL control signal, so be consistent the integral time of the spill time of x-ray source and ccd video camera.Thereby it is synchronously accurate that x-ray source in the utility model and ccd video camera have reached, and optimized the image that is produced.
X ray passes the scintillation screen that inspected object is got to the image receiving instrument, is converted to fluoroscopic image, forms video image in CCD.Described video image is converted into the network digital signal in the network switch circuit of image receiving instrument, the communication mode of selecting by the user sends notebook to again.
Alternatively, described opertaing device 114 also can integrate with the portable image receiving instrument, further to reduce the volume of total system.
Should be pointed out that the foregoing description is used to illustrate the utility model but not protection domain of the present utility model is limited.Those skilled in the art can design various alternate embodiments under the situation that does not deviate from appending claims.The claims of enclosing are intended to cover this type of modification and substitute mode.
In claims, word " comprises ", " comprising " do not get rid of other elements beyond the element listed in the claim and the step and the existence of step.The possibility that a plurality of this elements exist do not got rid of in word " (individual) " before the element.In the device claim, several listed devices can be realized by same item of hardware.The certain measures of putting down in writing in different dependent claims does not represent to use the combination of these measures just not to have superiority.
Claims (10)
1. image receiving instrument, it is configured to receive and handle the signal of x-ray source, and described image receiving instrument (112) comprising:
The power module of power supply is provided for described image receiving instrument;
To be the scintillation screen of visible images from the conversion of signals of described x-ray source, this scintillation screen be positioned at casing one side of described image receiving instrument;
Obtain visible images on this scintillation screen to generate the ccd video camera of video signal, this ccd video camera is aimed at the full visual field of scintillation screen; And
Control radiographic source and the CCD control circuit of the time shutter of the spill time of this x-ray source and this ccd video camera;
It is characterized in that: described image receiving instrument also comprises the network switch circuit, the input of described network switch circuit links to each other with the video output terminals of ccd video camera, the output of described network switch circuit links to each other with the network interface on the casing of described image receiving instrument, so that described vision signal is converted to formatted signal, and via the Network Transmission circuit described formatted signal is transmitted into opertaing device, and described network switch circuit will be converted to the TTL signal from the startup sweep signal of opertaing device.
2. image receiving instrument as claimed in claim 1 is characterized in that, described Network Transmission circuit is cable network transmission circuit or wireless network transmissions circuit.
3. image receiving instrument as claimed in claim 1, it is characterized in that, described image receiving instrument also comprises the electric quantity of power supply supervisory circuit, this electric quantity of power supply supervisory circuit is converted to the magnitude of voltage of both ends of power frequency signal and sends this frequency signal to the network switch circuit, give opertaing device through described network switch circuit transmission, when electric quantity of power supply is not enough, to inform the electric weight deficiency to the user.
4. as each described image receiving instrument among the claim 1-3, it is characterized in that, described radiographic source and CCD control circuit receive the TTL output from this network switch circuit, and this TTL output is converted to x-ray source control signal and CCD exposure control signal.
5. image receiving instrument as claimed in claim 4 is characterized in that, described radiographic source and CCD control circuit comprise:
First, second that is connected in series and the 3rd phase inverter successively, the output terminal of described the 3rd phase inverter links to each other with the exposure control end of this ccd video camera by pull-up resistor;
With door, its input end links to each other with the output terminal Q0 of this network switch circuit, and another input end links to each other with the output terminal Q1 of this network switch circuit via the 4th phase inverter, should link to each other with the input end of this first phase inverter with the output terminal of door; And
N type triode, its base stage links to each other with the output terminal of this second phase inverter, and collector links to each other with the control end of a relay, and the output terminal of wherein said relay links to each other with the control end that goes out to restraint of this x-ray source.
6. image receiving instrument as claimed in claim 4, it is characterized in that, radiographic source and the control of CCD control circuit are controlled the spill time of x-ray source and the time shutter of ccd video camera by the width of regulating described TTL signal, thereby x-ray source and CCD are controlled.
7. image receiving instrument as claimed in claim 1 is characterized in that, described ccd video camera adopts 10 UNI Q680 CCD digital cameras, and video output interface is a Camera Link interface.
8. image receiving instrument as claimed in claim 3 is characterized in that, described network switch circuit also is converted to formatted signal with described frequency signal, and gives opertaing device by Network Transmission.
9. a portable flash X-ray detector comprises the portable flash X-ray source (110) that produces x-ray, it is characterized in that described portable flash X-ray detector also comprises:
Each described image receiving instrument among the claim 1-7;
Control the opertaing device (114) of described portable flash X-ray source (110) and described image receiving instrument; With
The Network Transmission circuit (116) that connects described image receiving instrument and described opertaing device.
10. portable flash X-ray detector as claimed in claim 9 is characterized in that, described opertaing device will compare from the same frequency threshold of the frequency signal of image receiving instrument by a comparer that is arranged on wherein, to show the electric quantity of power supply situation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201909337U CN201281802Y (en) | 2007-12-27 | 2007-12-27 | Image reception instrument and portable glittering X ray detection instrument containing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201909337U CN201281802Y (en) | 2007-12-27 | 2007-12-27 | Image reception instrument and portable glittering X ray detection instrument containing the same |
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| CN201281802Y true CN201281802Y (en) | 2009-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007201909337U Expired - Lifetime CN201281802Y (en) | 2007-12-27 | 2007-12-27 | Image reception instrument and portable glittering X ray detection instrument containing the same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707309A (en) * | 2012-05-07 | 2012-10-03 | 上海高晶影像科技有限公司 | Telescopic portable imaging detector and portable x-ray detection instrument |
| CN102958436A (en) * | 2010-07-30 | 2013-03-06 | 富士胶片株式会社 | Radiograph imaging system, radiograph imaging method, and image display method |
| CN105246408A (en) * | 2013-05-30 | 2016-01-13 | 爱克发医疗保健公司 | Improved method for making radiographs with direct radiographic panels |
| CN110333230A (en) * | 2019-05-06 | 2019-10-15 | 丹东市阳光仪器有限公司 | Exposure time timing method in lossless detection crawl device pipeline |
-
2007
- 2007-12-27 CN CNU2007201909337U patent/CN201281802Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102958436A (en) * | 2010-07-30 | 2013-03-06 | 富士胶片株式会社 | Radiograph imaging system, radiograph imaging method, and image display method |
| CN102707309A (en) * | 2012-05-07 | 2012-10-03 | 上海高晶影像科技有限公司 | Telescopic portable imaging detector and portable x-ray detection instrument |
| CN102707309B (en) * | 2012-05-07 | 2015-02-18 | 上海高晶影像科技有限公司 | Telescopic portable imaging detector and portable x-ray detection instrument |
| CN105246408A (en) * | 2013-05-30 | 2016-01-13 | 爱克发医疗保健公司 | Improved method for making radiographs with direct radiographic panels |
| CN105246408B (en) * | 2013-05-30 | 2019-02-15 | 爱克发医疗保健公司 | For carrying out radiographic X improved method using direct radiography plate |
| CN110333230A (en) * | 2019-05-06 | 2019-10-15 | 丹东市阳光仪器有限公司 | Exposure time timing method in lossless detection crawl device pipeline |
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