CN102608667A - Control device with high integration density for X-ray security inspection machine - Google Patents
Control device with high integration density for X-ray security inspection machine Download PDFInfo
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- CN102608667A CN102608667A CN2012100574825A CN201210057482A CN102608667A CN 102608667 A CN102608667 A CN 102608667A CN 2012100574825 A CN2012100574825 A CN 2012100574825A CN 201210057482 A CN201210057482 A CN 201210057482A CN 102608667 A CN102608667 A CN 102608667A
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Abstract
The invention provides a control device with high integration density for an X-ray security inspection machine, comprising an operation amplifying module, an analog-to-digital conversion module, a signal processing module, a programmable logic module, a network interface module, a control interface module, an electrical control module and a power module which are integrated on the same circuit board. On the one hand, the modules are integrated, control signals and feedback signals among the relevant modules are integrally processed, so that stability and reliability of the total X-ray security inspection machine are improved, fast diagnosis and repair of the total X-ray security inspection machine are facilitated, repair time is shorted, and repair cost is reduced; and on the other hand, an image processing algorithm is set in the signal processing module, requirements to configuration of a computer in the X-ray security inspection machine when in processing of a large quantity of data are greatly reduced, and the cost is further lowered.
Description
Technical field
The present invention relates to a kind of X ray screening machine control device of high integration; Particularly relate to the control device that uses on a kind of X ray screening machine with embedded image Processing Algorithm; Be adapted at using in higher urban track traffic of reliability requirement and the civil aviation, belong to electronic communication control technology field.
Background technology
A large amount of at present X ray screening machines that use basically all are to comprise detector module, X ray data acquisition module, electrical control module and computing machine.But; For example the EI system X ray screening machine of Shanghai Eastimage Equipments Co., Ltd, look with Fang Wei in the Aegis series of X ray screening machine of X ray screening machine and Zhongdun-Anmin Analysis Technology Co., Ltd., Beijing of incorporated company; All there are very many circuit boards of being in charge of each module an X ray screening machine inside, and the circuit board of One's name is legion has had a strong impact on the stability and the reliability of complete machine.
For the X ray screening machine that uses in the urban track traffic; Generally require to want every day continuous working more than 18 hours; If fault just must be diagnosed in the extremely short time and keeped in repair, the inner a plurality of circuit boards of being in charge of each module of X ray screening machine complete machine have often restricted the rapidity of maintenance.
In addition, present X ray screening machine carries out Flame Image Process and demonstration through the computing machine of inside basically, and lot of data is handled computer configuration is had relatively high expectations.
Summary of the invention
The shortcoming of prior art in view of the above; The object of the present invention is to provide a kind of X ray screening machine control device of high integration; Each module to X ray screening machine complete machine in the prior art is carried out integrated consolidation; It is low and reduce stability, reliability and the restriction quick diagnosis of complete machine, the problem of maintenance complete machine to be used for solving prior art X ray screening machine integrated level, and high integration of the present invention has also reduced the time and the cost of complete machine maintenance, simultaneously; Solve lot of data and handled the problem that computer configuration is had relatively high expectations, further reduced cost.
For realizing above-mentioned purpose and other relevant purposes, the present invention provides a kind of X ray screening machine control device of high integration, comprises being integrated on the same circuit board:
The computing amplification module connects a plurality of X ray sensors of said screening machine, is used for the analog image acquired signal of respectively this X ray sensor output is amplified back output;
Analog-to-digital conversion module connects said computing amplification module, is used for the analog image acquired signal of said computing amplification module output is carried out analog to digital conversion, and the output digital image acquired signal;
Signal processing module connects said analog-to-digital conversion module, is used for the digital image acquisition signal of said analog-to-digital conversion module output is carried out Flame Image Process to obtain the view data of corresponding measured object;
Programmed logical module is used for respectively this X ray sensor, computing amplification module, analog-to-digital conversion module and signal processing module carry out logic control;
Network Interface Module is connected in said signal processing module, in order to image data transmission that said signal processing module is obtained to peripherals;
The control interface module is connected in said programmed logical module;
The electrical control module is connected in said control interface module;
Power module is this module for power supply respectively in the said circuit board.
Alternatively, said analog-to-digital conversion module is high speed 16 bit parallel analog to digital converters.
Alternatively, the core cell of said signal processing module is the DSP unit of embedded images Processing Algorithm.
Alternatively, said DSP unit is the TMS320DM642 chip.
Alternatively, said Network Interface Module comprises the 100M Ethernet interface.
Alternatively, said control interface module comprises RS422 interface, RS232 interface, 8 general digital IO interfaces and 4 general-purpose relay output interfaces.
Alternatively, said electrical control module comprises x-ray source control and driver element, travelling belt control module, frequency control unit and optoelectronic switch control module.
Alternatively, said power module comprises power supply unit, is connected with the power switch power supply of outside 12VDC/2A.
Alternatively, said power supply unit output voltage comprise+12V ,+6V ,-6V ,+5V ,+3.3V and+1.5V.
As stated, the X ray screening machine control device of high integration of the present invention has following beneficial effect:
On the one hand; Through each module of X ray screening machine complete machine in the prior art is carried out integrated consolidation; And control signal between correlation module and feedback signal focused on; To improve the stability and the reliability of X ray screening machine complete machine, help quick diagnosis, maintenance complete machine simultaneously, reduced the time and the cost of maintenance; On the other hand, adopt the embedded image Processing Algorithm, greatly reduce lot of data and handle requirement, and then reduced cost computer configuration at hardware view.
Description of drawings
Fig. 1 is shown as the theory diagram of the X ray screening machine control device of high integration of the present invention.
Fig. 2 is shown as the control interface module and the electrical control module annexation synoptic diagram of the X ray screening machine control device of high integration of the present invention.
The element numbers explanation
1 X ray sensor
The X ray screening machine control device of 2 high integration
21 computing amplification modules
22 analog-to-digital conversion modules
23 signal processing modules
24 programmed logical module
25 Network Interface Modules
26 control interface modules
2601 RS422 interfaces
2602 RS232 interfaces
2,603 8 general digital IO interfaces
2,604 4 general-purpose relay output interfaces
27 electrical control modules
Control of 2701 x-ray sources and driver element
2702 travelling belt control modules
2703 frequency control unit
2704 optoelectronic switch control modules
28 power modules
3 computing machines
Embodiment
Below by particular specific embodiment embodiment of the present invention is described, be familiar with this technological personage and can understand other advantages of the present invention and effect easily by the content that this instructions disclosed.
See also Fig. 1 to Fig. 2.Notice; The appended graphic structure that illustrates of this instructions, ratio, size etc.; All only in order to cooperate the content that instructions disclosed, understanding and reading for being familiar with this technological personage, is not in order to limit the enforceable qualifications of the present invention; Event is the technical essential meaning of tool not; The adjustment of the modification of any structure, the change of proportionate relationship or size not influencing under effect that the present invention can produce and the purpose that can reach, all should still drop on disclosed technology contents and get in the scope that can contain.
Extremely shown in Figure 2 like Fig. 1; The present invention provides a kind of X ray screening machine control device 2 of high integration, comprises computing amplification module 21, analog-to-digital conversion module 22, signal processing module 23, programmed logical module 24, Network Interface Module 25, control interface module 26, electrical control module 27 and power module 28.
Said computing amplification module 21 connects a plurality of X ray sensors 1 of said screening machine, and is as shown in Figure 1, is used for the analog image acquired signal of respectively this X ray sensor 1 output is amplified back output.Need to prove; The desired signal gain of X ray screening machine according to concrete model with said control device 2; Through loading the programmed logical module 24 in corresponding program to the said control device 2; Thereby parameter is regulated in the amplification of said computing amplification module 21 carry out logic control; And then, promptly realize programmable amplifications adjustings through 24 pairs of said computing amplification modules 21 of said programmed logical module from the IMAQ signal of the corresponding enlargement factor of said computing amplification module 21 outputs.
Said analog-to-digital conversion module 22 (A/D modular converter) connects said computing amplification module 21, and is as shown in Figure 1, be used for the analog image acquired signal of said computing amplification module 21 outputs is carried out analog to digital conversion (A/D conversion), and the output digital image acquired signal.In the present embodiment, said analog-to-digital conversion module 22 is high speed 16 bit parallel analog-to-digital conversion modules.Need to prove that the input end sampling logic of said analog-to-digital conversion module 22 is to carry out logic control through the programmed logical module 24 in the said control device 2 (FPGA module).
Said signal processing module 23 (DSP module) connects said analog-to-digital conversion module 22; As shown in Figure 1; Be used for the digital image acquisition signal of said analog-to-digital conversion module 22 outputs is carried out Flame Image Process to obtain the view data of corresponding measured object, wherein, the core cell of said signal processing module 23 is the DSP unit of embedded images Processing Algorithm; In the present embodiment, said DSP unit is the TMS320DM642 chip.The DSP unit of said embedded images Processing Algorithm; Can carry out real-time multi-task ground runs image processing algorithm; Thereby the IMAQ signal to said analog-to-digital conversion module 3 outputs carries out Flame Image Process, handles the configuration requirement to the inner computing machine 3 of X ray screening machine thereby greatly reduce lot of data, has reduced cost; Wherein, Said image processing algorithm comprises image denoising algorithm, algorithm for image enhancement, reaches image material sorting algorithm, and said image processing algorithm also comprises the algorithm of developing separately according to demand, like the dangerous material algorithm for pattern recognition.
Need to prove that as shown in Figure 1, said signal processing module 23 carries out logic mutually with the programmed logical module 24 in the said control device 2 and cooperates, thereby the X ray sensor 1 of said screening machine is carried out the logic control of signals collecting and output.Particularly; In said programmed logical module 24, load corresponding acquisition logic (program); Said signal processing module 23 carries out logic mutually with the programmed logical module 24 in the said control device 2 and cooperates; And then control said signal processing module 23, thereby the signals collecting and the output of the said X ray sensor 1 of logic control.
As shown in Figure 1; Said programmed logical module 24 (FPGA module) is used for respectively enlargement factor, the analog to digital conversion of analog-to-digital conversion module 22 and the Flame Image Process of signal processing module 23 of this computing amplification module 21 are carried out logic control; And carry out logic mutually with said signal processing module 23 and cooperate; And then the IMAQ and the output of the X ray sensor 1 of said screening machine carried out logic control; Particularly, said programmed logical module 24 is loaded corresponding logic (program), to realize logic control to corresponding module.
Need to prove that said programmed logical module 24 is also through logic control signal and feedback signal between said control interface module 26 transmission and the said electrical control module 27.
Said Network Interface Module 25 is connected in said signal processing module 23; As shown in Figure 1; To peripherals, in the present embodiment, said peripherals is the inner computing machine 3 of said X ray screening machine in order to image data transmission that said signal processing module 23 is obtained; In the present embodiment promptly; Said Network Interface Module 25 through the Transmission Control Protocol of ethernet standard, transmits the view data of said signal processing module 23 outputs and the external control instruction that the inner said computing machine 3 of X ray screening machine sends; And then make said view data form the images acquired of complete said measured object through said computing machine 3, mutual with between the X ray screening machine control device 2 of realizing external control that said computing machine 3 sends and high integration.In present embodiment one, said Network Interface Module 25 comprises the 100M Ethernet interface, and interference free performance is excellent.Need to prove, can further realize wireless network transmissions through installing wireless router and wireless network card additional.
Said control interface module 26 is connected in said programmed logical module 24, to shown in Figure 2, comprises RS422 interface 2601,2602,8 general digital IO interfaces 2603 of RS232 interface and 4 general-purpose relay output interfaces 2604 like Fig. 1.Wherein, said RS422 interface 2601 is a serial data interface with RS232 interface 2602.
Said electrical control module 27 is connected in said control interface module 26, to shown in Figure 2, comprises x-ray source control and driver element 2701, travelling belt control module 2702, frequency control unit 2703 and optoelectronic switch control module 2704 like Fig. 1.
Need to prove, transmit control signal and feedback signal between said programmed logical module 24 and the said electrical control module 27 through said control interface module 26.
What need further specify is that as shown in Figure 2, said control interface module 26 is following with the annexation of electrical control module 27: said x-ray source control is connected with said RS232 interface 2602 with driver element 2701; Said travelling belt control module 2702 is connected with 2 general-purpose relay output interfaces in said 4 general-purpose relay output interfaces 2604, and all the other 2 general-purpose relay output interfaces are subsequent use; Said frequency control unit 2703 is connected with said RS422 interface 2601; Said optoelectronic switch control module 2704 is connected with 2 general digital IO interfaces in 8 general digital IO interfaces 2603, and all the other 6 general digital IO interfaces are subsequent use.
Said power module 28 (not shown) is this module for power supply respectively in the said circuit board; Comprise power supply unit; Be connected with the power switch power supply (not shown) of outside 12VDC/2A, wherein said power supply unit output voltage comprises+12V ,+6V ,-6V ,+5V ,+3.3V and+1.5V.
In sum; The X ray screening machine control device of a kind of high integration of the present invention, on the one hand, through each module of X ray screening machine complete machine in the prior art is carried out integrated consolidation; And control signal between correlation module and feedback signal focused on; To improve the stability and the reliability of X ray screening machine complete machine, help quick diagnosis, maintenance complete machine simultaneously, reduced the time and the cost of maintenance; On the other hand, adopt the embedded image Processing Algorithm, greatly reduce lot of data and handle requirement, and then reduced cost computer configuration at hardware view.So the present invention has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
The foregoing description is illustrative principle of the present invention and effect thereof only, but not is used to limit the present invention.Any be familiar with this technological personage all can be under spirit of the present invention and category, the foregoing description is modified or is changed.Therefore, have common knowledge the knowledgeable in the affiliated such as technical field, must contain by claim of the present invention not breaking away from all equivalence modifications of being accomplished under disclosed spirit and the technological thought or changing.
Claims (9)
1. the X ray screening machine control device of a high integration is characterized in that, comprises being integrated on the same circuit board:
The computing amplification module connects a plurality of X ray sensors of said screening machine, is used for the analog image acquired signal of respectively this X ray sensor output is amplified back output;
Analog-to-digital conversion module connects said computing amplification module, is used for the analog image acquired signal of said computing amplification module output is carried out analog to digital conversion, and the output digital image acquired signal;
Signal processing module connects said analog-to-digital conversion module, is used for the digital image acquisition signal of said analog-to-digital conversion module output is carried out Flame Image Process to obtain the view data of corresponding measured object;
Programmed logical module is used for respectively this X ray sensor, computing amplification module, analog-to-digital conversion module and signal processing module carry out logic control;
Network Interface Module is connected in said signal processing module, in order to image data transmission that said signal processing module is obtained to peripherals;
The control interface module is connected in said programmed logical module;
The electrical control module is connected in said control interface module;
Power module is this module for power supply respectively in the said circuit board.
2. the X ray screening machine control device of high integration according to claim 1 is characterized in that: said analog-to-digital conversion module is 16 bit parallel analog to digital converters at a high speed.
3. the X ray screening machine control device of high integration according to claim 1, it is characterized in that: the core cell of said signal processing module is the DSP unit of embedded images Processing Algorithm.
4. the X ray screening machine control device of high integration according to claim 3, it is characterized in that: said DSP unit is the TMS320DM642 chip.
5. the X ray screening machine control device of high integration according to claim 1, it is characterized in that: said Network Interface Module comprises the 100M Ethernet interface.
6. the X ray screening machine control device of high integration according to claim 1, it is characterized in that: said control interface module comprises RS422 interface, RS232 interface, 8 general digital IO interfaces and 4 general-purpose relay output interfaces.
7. the X ray screening machine control device of high integration according to claim 1, it is characterized in that: said electrical control module comprises x-ray source control and driver element, travelling belt control module, frequency control unit and optoelectronic switch control module.
8. the X ray screening machine control device of high integration according to claim 1, it is characterized in that: said power module comprises power supply unit, is connected with the power switch power supply of outside 12VDC/2A.
9. the X ray screening machine control device of high integration according to claim 8 is characterized in that: said power supply unit output voltage comprises+12V ,+6V ,-6V ,+5V ,+3.3V and+1.5V.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100574825A CN102608667A (en) | 2012-03-06 | 2012-03-06 | Control device with high integration density for X-ray security inspection machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100574825A CN102608667A (en) | 2012-03-06 | 2012-03-06 | Control device with high integration density for X-ray security inspection machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604819A (en) * | 2013-11-25 | 2014-02-26 | 东北大学 | Device and method for carrying out substance identification by double-energy transmission and low-energy scattering |
| CN103995278A (en) * | 2014-05-07 | 2014-08-20 | 东北大学 | Double-energy linear array detector for X-ray safety check device |
| CN112783045A (en) * | 2020-12-30 | 2021-05-11 | 上海工物高技术产业发展有限公司 | Embedded control system and portable dangerous goods detector |
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| CN101055260A (en) * | 2006-04-12 | 2007-10-17 | 上海高晶金属探测设备有限公司 | X ray detector based on DSP technology |
| CN101241088A (en) * | 2008-03-11 | 2008-08-13 | 天津工业大学 | High speed X light strong conveyer band detection system |
| CN202471991U (en) * | 2012-03-06 | 2012-10-03 | 上海高晶影像科技有限公司 | High-integration-level device for controlling X-ray safety inspection machine |
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Patent Citations (3)
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| CN101055260A (en) * | 2006-04-12 | 2007-10-17 | 上海高晶金属探测设备有限公司 | X ray detector based on DSP technology |
| CN101241088A (en) * | 2008-03-11 | 2008-08-13 | 天津工业大学 | High speed X light strong conveyer band detection system |
| CN202471991U (en) * | 2012-03-06 | 2012-10-03 | 上海高晶影像科技有限公司 | High-integration-level device for controlling X-ray safety inspection machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604819A (en) * | 2013-11-25 | 2014-02-26 | 东北大学 | Device and method for carrying out substance identification by double-energy transmission and low-energy scattering |
| CN103604819B (en) * | 2013-11-25 | 2016-03-30 | 东北大学 | A kind of device and method utilizing dual-energy transmission and Low energy scattering to carry out Object Classification |
| CN103995278A (en) * | 2014-05-07 | 2014-08-20 | 东北大学 | Double-energy linear array detector for X-ray safety check device |
| CN112783045A (en) * | 2020-12-30 | 2021-05-11 | 上海工物高技术产业发展有限公司 | Embedded control system and portable dangerous goods detector |
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Application publication date: 20120725 |