CN104390704A - System and method for removing constant current injection influences to synchrotron radiation infrared beam line station - Google Patents
System and method for removing constant current injection influences to synchrotron radiation infrared beam line station Download PDFInfo
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- CN104390704A CN104390704A CN201410654932.8A CN201410654932A CN104390704A CN 104390704 A CN104390704 A CN 104390704A CN 201410654932 A CN201410654932 A CN 201410654932A CN 104390704 A CN104390704 A CN 104390704A
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Abstract
The invention relates to a system and a method for removing constant current injection influences to a synchrotron radiation infrared beam line station. The system for removing the constant current injection influences to the synchrotron radiation infrared beam line station comprises an accelerator control device and a state obtaining device; the accelerator control device collects and issues a real-time status variable of a synchrotron radiation accelerator to the exterior through the network; the state obtaining device inquires a real-time status variable of the synchrotron radiation accelerator through the network to judge a real-time state of the synchrotron radiation accelerator; if the real-time state variable of the synchrotron radiation accelerator indicates that the synchrotron radiation accelerator injects electrons or a current intensity value of the synchrotron radiation accelerator achieves a preset injection threshold value, then the state obtaining device controls a Fourier transform spectrograph to stop collecting, and the state obtaining device controls the Fourier transform spectrograph to continuous collecting if not. The system for removing the constant current injection influences to the synchrotron radiation infrared beam line station can simply eliminates the constant current mode influences to the synchrotron radiation infrared beam line station with low costs.
Description
Technical field
The present invention relates to synchrotron radiation infrared regime, particularly relate to a kind of system and method removed top-up injection and synchrotron radiation infrared light bunch station is affected.
Background technology
In the operational process at synchrotron radiation infrared light bunch station, Fourier transform spectrometer is very responsive for the state change of electron beam in storage rings, therefore the noise of electron beam can directly show in spectrum, thus affect experimental result, especially doing in microscan process, this impact is obvious especially.And current most of Synchrotron Radiation is in order to stable and high effective operation, all adopt constant current mode, under this pattern every a few minutes synchronous radiation accelerator will inject a small amount of electronics in storage rings, this injection process can bring electron beam disturbance, thus affects the signal to noise ratio (S/N ratio) of infrared spectrum.
As shown in Figure 1, each injection electron beam group all can produce a disturbance on interferogram, will spectrally occur noise as shown in Figure 2 after Fourier transform.Therefore, in order to not affect experimental result, just must fourier-transform infrared spectrometer be stopped to collect data when injecting.
There is provided in usual the used Fourier transform spectrometer in this area (such as nicolet6700, nicolet8700) and external logic level can stop the function that gathers, for solution top-up injection noise problem, and this logic level needs to be provided by synchronous radiation accelerator.Due to the device that synchronous radiation accelerator is very large-scale, and can directly logic level be connected on Fourier transform spectrometer unlike mini-plant.Can adopt optical fiber, demoder, precise synchronization device that synchronous radiation accelerator injected system has been connected with Fourier transform spectrometer under normal circumstances to stop gathering to realize the spectrometer when top-up injection, but the demoder needed for this method, precise synchronization device expensive even needs customization, therefore this method is complicated and cost is high.
Summary of the invention
In order to solve above-mentioned prior art Problems existing, the present invention aims to provide a kind of system and method removed top-up injection and affect synchrotron radiation infrared light bunch station, to realize simply, at low cost eliminating top-up injection impact.
A kind of system removed top-up injection and affect synchrotron radiation infrared light bunch station that one of the present invention is described, comprising:
One for controlling the Accelerator control equipment of this synchronous radiation accelerator injection electronics according to the real-time status of synchronous radiation accelerator, it is gathered and is outwards issued the real-time status variable of described synchronous radiation accelerator by network, and
One state obtaining apparatus be connected with Fourier transform spectrometer, it is by the real-time status variable of synchronous radiation accelerator described in described network inquiry, to judge the real-time status of described synchronous radiation accelerator, if the real-time status variable of described synchronous radiation accelerator is designated as the current stream intensity values that described synchronous radiation accelerator injecting electronics or described synchronous radiation accelerator reach default injection threshold value, then described state obtaining apparatus controls described Fourier transform spectrometer stopping collection, otherwise, described state obtaining apparatus controls described Fourier transform spectrometer to be continued to gather.
In the system that above-mentioned removal top-up injection affects synchrotron radiation infrared light bunch station, the real-time status variable of described synchronous radiation accelerator comprises: be used to indicate the top-up injection state variable whether described synchronous radiation accelerator is injecting electronics, and is used to indicate the strong state variable of stream of current stream intensity values of described synchronous radiation accelerator.
In the system that above-mentioned removal top-up injection affects synchrotron radiation infrared light bunch station, described state obtaining apparatus is the router with I/O interface, and it is connected with described Fourier transform spectrometer by described I/O interface.
In the system that above-mentioned removal top-up injection affects synchrotron radiation infrared light bunch station, described state obtaining apparatus comprises:
One for inquiring about the enquiry module of the real-time status variable of described synchronous radiation accelerator;
One for arranging the universal input output control module of the output level of described I/O interface; And
One execution module be connected with described enquiry module and described universal input output control module, described in its one side instruction, enquiry module inquires about the real-time status variable of described synchronous radiation accelerator, described in the real-time status Variable Control of the described synchronous radiation accelerator that another aspect inquires according to described enquiry module, universal input output control module carries out relative set to the output level of described I/O interface, stops gathering or continue to gather to control described Fourier transform spectrometer.
In the system that above-mentioned removal top-up injection affects synchrotron radiation infrared light bunch station, described I/O interface is connected with described Fourier transform spectrometer by concentric cable.
In the system that above-mentioned removal top-up injection affects synchrotron radiation infrared light bunch station, described Accelerator control equipment is connected by local area network communication with described state obtaining apparatus.
A kind of method removed top-up injection and affect synchrotron radiation infrared light bunch station described in two of the present invention, comprises the following steps:
Step S1, provides one for controlling Accelerator control equipment and the state obtaining apparatus be connected with Fourier transform spectrometer of this synchronous radiation accelerator injection electronics according to the real-time status of synchronous radiation accelerator;
Step S2, outwards issues the real-time status variable of described synchronous radiation accelerator by the collection of described Accelerator control equipment by network;
Step S3, inquired about the real-time status variable of described synchronous radiation accelerator from described network by described state obtaining apparatus, to judge the real-time status of described synchronous radiation accelerator, if the real-time status variable of described synchronous radiation accelerator is designated as the current stream intensity values that described synchronous radiation accelerator injecting electronics or described synchronous radiation accelerator reach default injection threshold value, then described state obtaining apparatus controls described Fourier transform spectrometer stopping collection, otherwise described state obtaining apparatus controls described Fourier transform spectrometer to be continued to gather.
In the method that above-mentioned removal top-up injection affects synchrotron radiation infrared light bunch station, in described step S2, the real-time status variable of described synchronous radiation accelerator comprises: be used to indicate the top-up injection state variable whether described synchronous radiation accelerator is injecting electronics, and is used to indicate the strong state variable of stream of current stream intensity values of described synchronous radiation accelerator.
In the method that above-mentioned removal top-up injection affects synchrotron radiation infrared light bunch station, described step S1 comprises described state obtaining apparatus is provided as the router with I/O interface, and this router is connected with described Fourier transform spectrometer by described I/O interface.
In the method that above-mentioned removal top-up injection affects synchrotron radiation infrared light bunch station, described step S1 comprises described state obtaining apparatus to be provided as further and comprises:
One for inquiring about the enquiry module of the real-time status variable of described synchronous radiation accelerator;
One for arranging the universal input output control module of the output level of described I/O interface; And
One execution module be connected with described enquiry module and described universal input output control module.
In the method that above-mentioned removal top-up injection affects synchrotron radiation infrared light bunch station, described step S3 comprises the real-time status variable being inquired about described synchronous radiation accelerator by enquiry module described in described execution module instruction, and universal input output control module carries out relative set to the output level of described I/O interface described in the real-time status Variable Control of the described synchronous radiation accelerator inquired according to described enquiry module by described execution module, stop gathering or continue to gather to control described Fourier transform spectrometer.
In the method that above-mentioned removal top-up injection affects synchrotron radiation infrared light bunch station, in described step S3, when described execution module judge the real-time status variable of described synchronous radiation accelerator be designated as current stream intensity values that described synchronous radiation accelerator injecting electronics or described synchronous radiation accelerator reach default injection threshold value time, then control described universal input output control module and the output level of described I/O interface is set to low level, stop gathering to control described Fourier transform spectrometer, otherwise, control described universal input output control module and the output level of described I/O interface is set to high level, continue to gather to control described Fourier transform spectrometer.
In the method that above-mentioned removal top-up injection affects synchrotron radiation infrared light bunch station, in described step S1, connect described Accelerator control equipment and described state obtaining apparatus by LAN (Local Area Network).
In the method that above-mentioned removal top-up injection affects synchrotron radiation infrared light bunch station, in described step S1, connect described I/O interface and described Fourier transform spectrometer by concentric cable.
Owing to have employed above-mentioned technical solution, the real-time status variable of the present invention by adopting Accelerator control equipment to issue synchronous radiation accelerator, and inquire about this real-time status variable by state obtaining apparatus, to judge the real-time status of synchronous radiation accelerator, thus correspondingly control Fourier transform spectrometer stops gathering or continue to gather, and then simple and a large amount of elimination constant current mode that realizes on the impact at synchrotron radiation infrared light bunch station cost-savingly.
Accompanying drawing explanation
Fig. 1 shows and injects the impact of disturbance on the interferogram of Fourier transform spectrometer;
Fig. 2 shows the comparison diagram of Fourier transform spectrometer spectrum and normal spectrum when top-up injection;
Fig. 3 is that a kind of of one of the present invention removes the block diagram of top-up injection on the system that synchrotron radiation infrared light bunch station affects.
Embodiment
Below in conjunction with accompanying drawing, provide preferred embodiment of the present invention, and be described in detail.
As shown in Figure 3, one of the present invention, i.e. a kind of system removed top-up injection and synchrotron radiation infrared light bunch station is affected, it comprises:
One for controlling according to the real-time status of the synchronous radiation accelerator 1 in synchrotron radiation light source the Accelerator control equipment 2 that this synchronous radiation accelerator 1 injects electronics, and it gathers and passes through the real-time status variable that LAN (Local Area Network) 3 outwards issues synchronous radiation accelerator 1, and
One state obtaining apparatus 5 be connected with Fourier transform spectrometer 4, it inquires about the real-time status variable of synchronous radiation accelerator 1 by LAN (Local Area Network) 3, to judge the real-time status of synchronous radiation accelerator 1, if the real-time status variable of synchronous radiation accelerator 1 is designated as the current stream intensity values that synchronous radiation accelerator 1 injecting electronics or synchronous radiation accelerator 1 reach default injection threshold value (this injection threshold value arranges decision by the top-up injection of synchronous radiation accelerator 1), then state obtaining apparatus 5 controls Fourier transform spectrometer 4 stopping collection, otherwise, state obtaining apparatus 5 controls Fourier transform spectrometer 4 to be continued to gather.
In the present invention, the real-time status variable of synchronous radiation accelerator 1 comprises: be used to indicate the top-up injection state variable whether synchronous radiation accelerator 1 is injecting electronics, and is used to indicate the strong state variable of stream of current stream intensity values of synchronous radiation accelerator 1.
In the present embodiment, what Accelerator control equipment 2 adopted is the computing machine running EPICS (experimental physics and control system); What state obtaining apparatus 5 adopted is has the router of vacant I/O interface (this I/O interface can provide the Transistor-Transistor Logic level of standard) (this router can run Linux system and have vacant I/O interface to control, such as Shanghai Bell rg100A-AA type router), it is communicated to connect by LAN (Local Area Network) 3 and Accelerator control equipment 2 on the one hand, and its I/O interface is connected by the control port of concentric cable with Fourier transform spectrometer 4 on the other hand.
Specifically, the state obtaining apparatus 5 in the present embodiment comprises:
One for inquiring about the enquiry module 51 (being EPICS in the present embodiment) of the real-time status variable of synchronous radiation accelerator 1;
One for arranging the universal input output control module 52 of the output level of I/O interface; And
One execution module 53 be connected with enquiry module 51 and universal input output control module 52, its one side instructions query module 51 inquires about the real-time status variable of synchronous radiation accelerator 1, the output level of real-time status Variable Control universal input output control module 52 pairs of I/O interface of the synchronous radiation accelerator 1 that another aspect inquires according to enquiry module 51 carries out relative set, stops gathering or continue to gather to control Fourier transform spectrometer 4.
The present invention two, i.e. a kind of method removed top-up injection and affect synchrotron radiation infrared light bunch station, comprise the following steps:
Step S1, Accelerator control equipment 2 as above and state obtaining apparatus 5 are provided, and connect Accelerator control equipment 2 and state obtaining apparatus 5 as described above by LAN (Local Area Network) 3, obtain the I/O interface of equipment 5 and the control port of Fourier transform spectrometer 4 by concentric cable connection status simultaneously;
Step S2, is gathered by Accelerator control equipment 2 and is outwards issued the real-time status variable of synchronous radiation accelerator 1 by LAN (Local Area Network) 3;
Step S3, inquired about the real-time status variable of synchronous radiation accelerator 1 from LAN (Local Area Network) 3 by state obtaining apparatus 5, to judge the real-time status of synchronous radiation accelerator 1, if the real-time status variable of synchronous radiation accelerator 1 is designated as the current stream intensity values that synchronous radiation accelerator 1 injecting electronics or synchronous radiation accelerator 1 reach default injection threshold value, then state obtaining apparatus 5 controls Fourier transform spectrometer 4 stopping collection, otherwise state obtaining apparatus 5 controls Fourier transform spectrometer 4 to be continued to gather.
In the present embodiment, step S3 specifically comprises the real-time status variable being inquired about synchronous radiation accelerator 1 by execution module 53 instructions query module 51, and the output level of real-time status Variable Control universal input output control module 52 pairs of I/O interface of the synchronous radiation accelerator 1 inquired according to enquiry module 51 by execution module 53 carries out relative set, stop gathering or continue to gather to control Fourier transform spectrometer 4.Specifically, when execution module 53 judge the top-up injection state variable of synchronous radiation accelerator 1 be designated as current stream intensity values that the strong state variable of stream that synchronous radiation accelerator injecting electronics or synchronous radiation accelerator 1 is designated as synchronous radiation accelerator 1 reach default injection threshold value (or close to the injection threshold value preset) time, then control universal input output control module 52 and the output level of I/O interface is set to low level (namely stopping Fourier transform spectrometer 4 to gather required level), stop gathering to control Fourier transform spectrometer 4, otherwise, control universal input output control module 52 and the output level of I/O interface is set to high level (allowing Fourier transform spectrometer 4 to gather required level), continue to gather to control Fourier transform spectrometer 4.
In addition, due to the impact of network time and executing efficiency, the present invention can also send injection instruction to synchronous radiation accelerator 2 in about 1 second after the top-up injection state variable of synchronous radiation accelerator 1 becomes injection state again by Accelerator control equipment 2, to ensure that in actual injection length, Fourier transform spectrometer 4 all can not carry out data acquisition, thus guarantee the function realizing the impact of removal constant current mode further.
In sum, the present invention is by the EPICS adopting conventional router and commonly used by synchrotron radiation light source, carry out the real-time status inquiry of synchronous radiation accelerator and corresponding triggering is carried out to Fourier transform spectrometer, thus simply and achieve in a large number cost-savingly and eliminate constant current mode function that synchrotron radiation infrared light bunch station is affected.
Above-described, be only preferred embodiment of the present invention, and be not used to limit scope of the present invention, the above embodiment of the present invention can also make a variety of changes.Namely every claims according to the present patent application and description are done simple, equivalence change and modify, and all fall into the claims of patent of the present invention.The not detailed description of the present invention be routine techniques content.
Claims (14)
1. remove the system that top-up injection affects synchrotron radiation infrared light bunch station, it is characterized in that, described system comprises:
One for controlling the Accelerator control equipment of this synchronous radiation accelerator injection electronics according to the real-time status of synchronous radiation accelerator, it is gathered and is outwards issued the real-time status variable of described synchronous radiation accelerator by network, and
One state obtaining apparatus be connected with Fourier transform spectrometer, it is by the real-time status variable of synchronous radiation accelerator described in described network inquiry, to judge the real-time status of described synchronous radiation accelerator, if the real-time status variable of described synchronous radiation accelerator is designated as the current stream intensity values that described synchronous radiation accelerator injecting electronics or described synchronous radiation accelerator reach default injection threshold value, then described state obtaining apparatus controls described Fourier transform spectrometer stopping collection, otherwise, described state obtaining apparatus controls described Fourier transform spectrometer to be continued to gather.
2. removal top-up injection according to claim 1 system that synchrotron radiation infrared light bunch station is affected, it is characterized in that, the real-time status variable of described synchronous radiation accelerator comprises: be used to indicate the top-up injection state variable whether described synchronous radiation accelerator is injecting electronics, and is used to indicate the strong state variable of stream of current stream intensity values of described synchronous radiation accelerator.
3. removal top-up injection according to claim 1 system that synchrotron radiation infrared light bunch station is affected, it is characterized in that, described state obtaining apparatus is the router with I/O interface, and it is connected with described Fourier transform spectrometer by described I/O interface.
4. removal top-up injection according to claim 3 system that synchrotron radiation infrared light bunch station is affected, it is characterized in that, described state obtaining apparatus comprises:
One for inquiring about the enquiry module of the real-time status variable of described synchronous radiation accelerator;
One for arranging the universal input output control module of the output level of described I/O interface; And
One execution module be connected with described enquiry module and described universal input output control module, described in its one side instruction, enquiry module inquires about the real-time status variable of described synchronous radiation accelerator, described in the real-time status Variable Control of the described synchronous radiation accelerator that another aspect inquires according to described enquiry module, universal input output control module carries out relative set to the output level of described I/O interface, stops gathering or continue to gather to control described Fourier transform spectrometer.
5. the system that affects synchrotron radiation infrared light bunch station of removal top-up injection according to claim 3, it is characterized in that, described I/O interface is connected with described Fourier transform spectrometer by concentric cable.
6. the system that affects synchrotron radiation infrared light bunch station of removal top-up injection according to claim 1, it is characterized in that, described Accelerator control equipment is connected by local area network communication with described state obtaining apparatus.
7. remove the method that top-up injection affects synchrotron radiation infrared light bunch station, it is characterized in that, said method comprising the steps of:
Step S1, provides one for controlling Accelerator control equipment and the state obtaining apparatus be connected with Fourier transform spectrometer of this synchronous radiation accelerator injection electronics according to the real-time status of synchronous radiation accelerator;
Step S2, outwards issues the real-time status variable of described synchronous radiation accelerator by the collection of described Accelerator control equipment by network;
Step S3, inquired about the real-time status variable of described synchronous radiation accelerator from described network by described state obtaining apparatus, to judge the real-time status of described synchronous radiation accelerator, if the real-time status variable of described synchronous radiation accelerator is designated as the current stream intensity values that described synchronous radiation accelerator injecting electronics or described synchronous radiation accelerator reach default injection threshold value, then described state obtaining apparatus controls described Fourier transform spectrometer stopping collection, otherwise described state obtaining apparatus controls described Fourier transform spectrometer to be continued to gather.
8. removal top-up injection according to claim 7 method that synchrotron radiation infrared light bunch station is affected, it is characterized in that, in described step S2, the real-time status variable of described synchronous radiation accelerator comprises: be used to indicate the top-up injection state variable whether described synchronous radiation accelerator is injecting electronics, and is used to indicate the strong state variable of stream of current stream intensity values of described synchronous radiation accelerator.
9. removal top-up injection according to claim 7 method that synchrotron radiation infrared light bunch station is affected, it is characterized in that, described step S1 comprises described state obtaining apparatus is provided as the router with I/O interface, and this router is connected with described Fourier transform spectrometer by described I/O interface.
10. the method that affects synchrotron radiation infrared light bunch station of removal top-up injection according to claim 9, is characterized in that, described step S1 comprises described state obtaining apparatus to be provided as further and comprises:
One for inquiring about the enquiry module of the real-time status variable of described synchronous radiation accelerator;
One for arranging the universal input output control module of the output level of described I/O interface; And
One execution module be connected with described enquiry module and described universal input output control module.
The method that 11. removal top-up injections according to claim 10 affect synchrotron radiation infrared light bunch station, it is characterized in that, described step S3 comprises the real-time status variable being inquired about described synchronous radiation accelerator by enquiry module described in described execution module instruction, and universal input output control module carries out relative set to the output level of described I/O interface described in the real-time status Variable Control of the described synchronous radiation accelerator inquired according to described enquiry module by described execution module, stop gathering or continue to gather to control described Fourier transform spectrometer.
The method that 12. removal top-up injections according to claim 11 affect synchrotron radiation infrared light bunch station, it is characterized in that, in described step S3, when described execution module judge the real-time status variable of described synchronous radiation accelerator be designated as current stream intensity values that described synchronous radiation accelerator injecting electronics or described synchronous radiation accelerator reach default injection threshold value time, then control described universal input output control module and the output level of described I/O interface is set to low level, stop gathering to control described Fourier transform spectrometer, otherwise, control described universal input output control module and the output level of described I/O interface is set to high level, continue to gather to control described Fourier transform spectrometer.
The method that 13. removal top-up injections according to claim 7 affect synchrotron radiation infrared light bunch station, is characterized in that, in described step S1, connects described Accelerator control equipment and described state obtaining apparatus by LAN (Local Area Network).
The method that 14. removal top-up injections according to claim 9 affect synchrotron radiation infrared light bunch station, is characterized in that, in described step S1, connects described I/O interface and described Fourier transform spectrometer by concentric cable.
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| CN201410654932.8A CN104390704B (en) | 2014-11-17 | 2014-11-17 | Remove the system and method for top-up injection on the impact of synchrotron radiation infrared light bunch station |
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| US20130277560A1 (en) * | 2012-04-18 | 2013-10-24 | Ian Stuart Robinson | Infrared spectrometer with enhanced readout speed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20130277560A1 (en) * | 2012-04-18 | 2013-10-24 | Ian Stuart Robinson | Infrared spectrometer with enhanced readout speed |
Non-Patent Citations (2)
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| 张永立 等: "上海光源红外光束线主动反馈控制器的设计", 《核技术》 * |
| 肖体乔 等: "上海光源X射线成像及其应用研究进展", 《光学学报》 * |
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