CN111916247A - Control method and system for irradiation of electron accelerator - Google Patents
Control method and system for irradiation of electron accelerator Download PDFInfo
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- CN111916247A CN111916247A CN202010681727.6A CN202010681727A CN111916247A CN 111916247 A CN111916247 A CN 111916247A CN 202010681727 A CN202010681727 A CN 202010681727A CN 111916247 A CN111916247 A CN 111916247A
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K5/00—Irradiation devices
- G21K5/10—Irradiation devices with provision for relative movement of beam source and object to be irradiated
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The application relates to a control method for irradiation of an electron accelerator, which belongs to the technical field of irradiation processing and comprises a central processing unit, a bracket used for carrying articles to be irradiated, a conveying system used for conveying the bracket and an irradiation chamber used for providing irradiation, wherein the conveying system comprises a plurality of branch conveying systems, the plurality of branch conveying subsystems are positioned in the irradiation chamber, and the control method comprises the following steps: acquiring radiation information corresponding to an article to be irradiated loaded on a bracket, wherein the radiation information comprises radiation intensity and radiation time; the central processing unit controls the conveying system to convey the bracket into the irradiation chamber, and controls the bracket to enter different branch conveying subsystems for irradiation according to the irradiation information. According to the radiation intensity and the radiation time of each irradiated article, the operation of the conveying system and/or different branch conveying subsystems is controlled, so that each irradiated article enters different branch conveying subsystems for radiation, the radiation intensity and the radiation time of each irradiated article can be automatically executed, and the irradiation efficiency is improved.
Description
Technical Field
The present application relates to the field of irradiation processing technologies, and in particular, to a method and a system for controlling irradiation of an electron accelerator.
Background
The radiation processing refers to transferring the energy of electrons generated by an electron accelerator (0.2 MeV-10 MeV) or gamma rays generated by a radioactive isotope (Cs-137 or Co-60) to an irradiated substance, and ionizing radiation acts on the irradiated substance to generate ionization and excitation so as to release orbital electrons to form free radicals. By controlling the radiation conditions, the physical property and chemical composition of the irradiated material are changed and can form a new material required by people, or organisms (microorganisms and the like) are subjected to unrecoverable loss and damage, so that the required target of people is achieved. This new processing technique is called radiation processing technique. For example, the polymer material can be grafted, polymerized, split or cross-linked. Secondly, the growth of organisms is inhibited or stimulated, and pests, ova, germs and the like are effectively killed. One way of irradiation is to irradiate an electron accelerator, so that the electron accelerator emits beam current according to a certain dose to bombard the polymer material, thereby improving the physical properties of the polymer plastic.
Working principle of the electron accelerator: the industrial electricity is converted into adjustable high-voltage high-frequency (AC 0-10KV, 120 KHZ), and after the high-voltage high-frequency (AC 0-90KV, 120 KHZ) is raised to the required voltage (DC-0-10 MeV) by a voltage doubling circuit, the electrons are activated to extract electron beams under high voltage. Then the product to be irradiated is placed on a trolley below the electron beam through the processes of focusing, guiding, scanning the electron beam and the like, and the trolley can move slowly to enable the product to be irradiated by the electron beam. Meanwhile, the intensity of the electron beam is in direct proportion to the moving speed of the trolley. Thereby irradiating the product to achieve a predetermined effect. The unit of intensity of the product irradiation is the dose, for example: irradiation of the food product is checked for its bacterial content and the polymeric material is checked for its degree of cross-linking, a process called irradiation.
In the prior art, different articles need different radiation intensities and radiation times, and irradiation articles need to be transported to different irradiation rooms through different transport systems for irradiation, so that a lot of transport systems are needed to transport different articles, and the irradiation efficiency is reduced.
Disclosure of Invention
Aiming at the defects in the prior art, one of the purposes of the present application is to provide a control method for irradiation of an electron accelerator, which has the advantage of improving irradiation efficiency.
One of the above objects of the present application is achieved by the following technical solutions:
a control method for irradiation of an electron accelerator comprises a central processing unit, a bracket for carrying articles to be irradiated, a conveying system for conveying the bracket and an irradiation chamber for providing irradiation, wherein the conveying system comprises a plurality of branch conveying systems, and the branch conveying systems are positioned in the irradiation chamber, and the control method comprises the following steps:
acquiring radiation information corresponding to an article to be irradiated loaded on a bracket, wherein the radiation information comprises radiation intensity and radiation time;
the central processing unit controls the conveying system to convey the bracket into the irradiation chamber, and controls the bracket to enter different branch conveying subsystems for irradiation according to the irradiation information.
By adopting the technical scheme, the radiation intensity and the radiation time of irradiation articles such as electric wires and cables, heat-shrinkable tubes, food preservation, various temperature-resistant pipes and the like are obtained, and the central processing unit controls the operation of the conveying system and/or different branch conveying subsystems according to the radiation intensity and the radiation time of each irradiation article, so that each irradiation article enters different branch conveying subsystems for irradiation, the radiation intensity and the radiation time of each irradiation article can be automatically executed, and the irradiation efficiency is improved; meanwhile, the radiation of the irradiated article can be accurately monitored and controlled, and the stability and the accuracy of the quality of the irradiated article can be greatly improved.
The present application may be further configured in a preferred example to: the radiation information also comprises radiation times, and the central processing unit controls the times of the bracket entering the branch conveying subsystem according to the radiation times.
By adopting the technical scheme, the radiation times of the irradiated articles are obtained, and the central processing unit controls the transmission times of the irradiated articles on the corresponding branch conveying subsystems according to the radiation times of the irradiated articles, so that the irradiated articles are irradiated on the branch conveying subsystems for multiple times, the radiation times of the irradiated articles can be automatically executed, and the irradiation efficiency is improved.
The present application may be further configured in a preferred example to: the mode of controlling the times of entering the branch conveying subsystem by the bracket according to the radiation times comprises the following steps:
the bracket loaded with the articles to be irradiated is conveyed to the front end of the corresponding branch conveying subsystem in the irradiation chamber according to the irradiation times through the conveying system;
or a plurality of return conveying subsystems are arranged in the irradiation chamber, two ends of each return conveying subsystem are communicated with two ends of one branch conveying subsystem, and the return conveying subsystems convey the bracket reloaded with the articles to be irradiated to the front ends of the corresponding branch conveying subsystems according to the irradiation times.
By adopting the technical scheme, the mode that the articles to be irradiated enter the corresponding branch conveying subsystems for multiple times is various, and the selection is carried out according to the size of the irradiation chamber and the arrangement condition of the branch conveying subsystems. The selected conveying system conveys the objects needing to be irradiated for multiple times to the corresponding branch subsystems for irradiation, and the irradiated objects only need to be counted, so that the structure is simple; the article needing to be irradiated for multiple times is conveyed to the corresponding branch subsystem for irradiation by selecting the return conveying subsystem, so that the utilization rate of the plurality of branch conveying subsystems in the irradiation chamber can be increased, and the irradiation efficiency is improved.
The present application may be further configured in a preferred example to: the method for acquiring the radiation information corresponding to the to-be-irradiated article loaded on the bracket comprises the following steps:
initializing the product information of each article to be irradiated to obtain an identification code on the bracket, and specifically comprising the following steps:
acquiring product information of each article to be irradiated;
recording the product information of each article to be irradiated into a data center;
and correspondingly generating an identification code for identifying the article to be irradiated according to the product information of each article to be irradiated.
By adopting the technical scheme, the product information of each article to be irradiated is recorded into the data center, and the identification code of each irradiated article is generated, so that the system can conveniently acquire the radiation information corresponding to the irradiated article, and the acquisition difficulty of the radiation information is reduced.
The present application may be further configured in a preferred example to: the step of correspondingly generating an identification code for identifying the article to be irradiated according to the product information of each article to be irradiated comprises the following steps:
extracting identification code information needing to be put in an identification code according to the product information of each article to be irradiated, wherein the identification code information comprises: the identification number is used for uniquely identifying the article to be irradiated;
and converting the extracted identification code information to generate an identification code so as to arrange the generated identification code on a corresponding bracket.
The second purpose of the present application is achieved by the following technical scheme:
a control system for irradiation of an electron accelerator comprises an information acquisition module, a transmission system, a plurality of branch conveying subsystems, an irradiation chamber and a central processing unit;
the information acquisition module is used for acquiring radiation information on the bracket, wherein the radiation information comprises radiation intensity and radiation time;
the conveying system is positioned outside the irradiation chamber and is used for conveying the bracket loaded with the articles to be irradiated to different branch conveying subsystems in the irradiation chamber;
and the central processor is used for controlling the operation of the conveying system and/or the plurality of branch conveying subsystems and controlling the brackets to enter different branch conveying subsystems for radiation according to the radiation information.
By adopting the technical scheme, the information acquisition module acquires the radiation intensity and the radiation time of irradiation articles such as electric wires and cables, heat-shrinkable tubes, food preservation, various temperature-resistant pipes and the like, and the central processing unit controls the transmission system and/or different branch conveying subsystems to operate according to the radiation intensity and the radiation time of each irradiation article, so that each irradiation article enters different branch conveying subsystems to be irradiated, the radiation intensity and the radiation time of each irradiation article can be automatically executed, and the irradiation efficiency is improved.
The present application may be further configured in a preferred example to: a plurality of return conveying subsystems are arranged in the irradiation chamber, and two ends of each return conveying subsystem are communicated with two ends of one branch conveying subsystem; the radiation information also comprises radiation times, and the carriers reloaded with the articles to be irradiated are conveyed to the front ends of the corresponding branch conveying subsystems through the return conveying subsystems according to the radiation times.
By adopting the technical scheme, the return conveying subsystem conveys the objects which need to be irradiated for multiple times to the corresponding branch subsystem for irradiation, so that the utilization rate of a plurality of branch conveying subsystems in the irradiation chamber can be increased, and the irradiation efficiency is improved.
The present application may be further configured in a preferred example to: and the information acquisition module is used for acquiring the identification codes on the brackets, sending the identification codes to the central processing unit, and controlling the operation of the conveying system and/or the plurality of branch conveying subsystems through the central processing unit.
By adopting the technical scheme, the identification code is scanned to acquire the radiation information corresponding to the irradiated article, so that the acquisition difficulty of the radiation information is reduced.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the radiation intensity and the radiation time of irradiation articles such as electric wires and cables, heat-shrinkable tubes, food preservation, various temperature-resistant pipes and the like are obtained, and the central processing unit controls the operation of the conveying system and/or different branch conveying subsystems according to the radiation intensity and the radiation time of each irradiation article, so that each irradiation article enters different branch conveying subsystems to be irradiated, the radiation intensity and the radiation time of each irradiation article can be automatically executed, and the irradiation efficiency is improved; meanwhile, the radiation of the irradiated article can be accurately monitored and controlled, so that the stability and the accuracy of the quality of the irradiated article can be greatly improved;
2. the selected conveying system conveys the objects needing to be irradiated for multiple times to the corresponding branch subsystems for irradiation, and the irradiated objects only need to be counted, so that the structure is simple; the article needing to be irradiated for multiple times is conveyed to the corresponding branch subsystem for irradiation by selecting the return conveying subsystem, so that the utilization rate of the plurality of branch conveying subsystems in the irradiation chamber can be increased, and the irradiation efficiency is improved.
Drawings
FIG. 1 is a flow chart of a control method of the present application;
fig. 2 is a control system block diagram of the present application.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
A control method for irradiation of an electron accelerator, referring to FIG. 1, comprises a central processing unit, a carrier for carrying articles to be irradiated, a conveying system for conveying the carrier, and an irradiation chamber for providing irradiation, wherein the conveying system comprises a plurality of branch conveying systems, the plurality of branch conveying systems are positioned in the irradiation chamber, and the control method comprises the following steps: acquiring radiation information corresponding to an article to be irradiated loaded on a bracket, wherein the radiation information comprises radiation intensity and radiation time; the central processing unit controls the conveying system to convey the bracket into the irradiation chamber, and controls the bracket to enter different branch conveying subsystems for irradiation according to the irradiation information.
In this application, handing-over department is provided with the guide plate between transfer system and many branch transport subsystems, and the one end of guide plate is rotated and is connected on transfer system's mounting bracket, and is provided with drive guide plate pivoted driving piece on transfer system's the mounting bracket, makes the guide plate towards different branch transport subsystems through the driving piece to the messenger treats that the irradiation article gets into on the system of different branch transports through transfer system. Wherein, the driving part can adopt a motor, a cylinder and the like.
The radiation intensity and the radiation time of irradiation articles such as electric wires and cables, heat-shrinkable tubes, food preservation, various temperature-resistant pipes and the like are obtained, and the central processing unit controls the operation of the conveying system and/or different branch conveying subsystems according to the radiation intensity and the radiation time of each irradiation article, so that each irradiation article enters different branch conveying subsystems to be irradiated, the radiation intensity and the radiation time of each irradiation article can be automatically executed, and the irradiation efficiency is improved; meanwhile, the radiation of the irradiated article can be accurately monitored and controlled, and the stability and the accuracy of the quality of the irradiated article can be greatly improved.
The radiation information also comprises radiation times, and the central processing unit controls the times of the bracket entering the branch conveying subsystem according to the radiation times; the irradiation times of the irradiated articles are obtained, and the central processing unit controls the transmission times of the irradiated articles on the corresponding branch conveying subsystems according to the irradiation times of the irradiated articles, so that the irradiated articles are irradiated on the branch conveying subsystems for multiple times, the irradiation times of the irradiated articles can be automatically executed, and the irradiation efficiency is improved.
The mode of controlling the times of entering the branch conveying subsystem by the bracket according to the radiation times comprises the following steps: the bracket loaded with the articles to be irradiated is conveyed to the front end of the corresponding branch conveying subsystem in the irradiation chamber according to the irradiation times through the conveying system; or a plurality of return conveying subsystems are arranged in the irradiation chamber, two ends of each return conveying subsystem are communicated with two ends of one branch conveying subsystem, and the carriers reloaded with the articles to be irradiated are conveyed to the front ends of the corresponding branch conveying subsystems through the return conveying subsystems according to the irradiation times.
The mode that the article to be irradiated enters the corresponding branch conveying subsystem for multiple times is various, and the selection is carried out according to the size of the irradiation chamber and the arrangement condition of the branch conveying subsystem. The selected conveying system conveys the objects needing to be irradiated for multiple times to the corresponding branch subsystems for irradiation, and the irradiated objects only need to be counted, so that the structure is simple; the article needing to be irradiated for multiple times is conveyed to the corresponding branch subsystem for irradiation by selecting the return conveying subsystem, so that the utilization rate of the plurality of branch conveying subsystems in the irradiation chamber can be increased, and the irradiation efficiency is improved.
The method for acquiring the radiation information corresponding to the to-be-irradiated article loaded on the bracket comprises the following steps: initializing the product information of each article to be irradiated to obtain an identification code on the bracket, and specifically comprising the following steps: acquiring product information of each article to be irradiated; recording the product information of each article to be irradiated into a data center; and correspondingly generating an identification code for identifying the article to be irradiated according to the product information of each article to be irradiated. The product information of each article to be irradiated is recorded into the data center, and the identification code of each irradiated article is generated, so that the system can conveniently acquire the radiation information corresponding to the irradiated article, and the acquisition difficulty of the radiation information is reduced.
The step of correspondingly generating an identification code for identifying the article to be irradiated according to the product information of each article to be irradiated comprises the following steps: extracting identification code information needing to be put into the identification code according to the product information of each article to be irradiated, wherein the identification code information comprises: the identification number is used for uniquely identifying the article to be irradiated; and converting the extracted identification code information to generate an identification code so as to arrange the generated identification code on the corresponding bracket. The product information of the object to be irradiated comprises a product batch number, a customer code, a product code, a frame number range of a corresponding bracket, required irradiation times and the like.
In the application, the identification code is formed by converting the extracted identification code through the generator, and the method specifically comprises the following steps: and the identification code information is coded, complemented, masked and the like according to a certain coding rule to be converted into binary data, and the converted binary data is drawn according to a certain rule to obtain an identification code image. The identification code can adopt bar codes, two-dimensional codes and the like, and can also adopt other codes; bar codes and two-dimensional codes have their own advantages and disadvantages. The two-dimensional code has the advantages of more storable information and wider range; a bar code can only contain alphabetic and numeric information and only stores information in one direction (typically the horizontal direction) and no information in the other direction (typically the vertical direction). The two-dimensional code can store information in a two-dimensional space in the horizontal and vertical directions, and the capacity of stored data information is larger. The two-dimensional code surpasses the limits of letters and numbers, and can record more complex data such as pictures, network links and the like. The bar code has the advantages of simple reading equipment, low cost, high speed, suitability for reading under complex conditions, furthest reduction of reading difficulty and suitability for reading in various severe extreme environments.
In the application, the acquired radiation information corresponding to the article to be irradiated can be compared with the radiation information acquired through the identification code, so that a comparison result is obtained. If the comparison is successful (for example, the radiation times corresponding to the object to be irradiated are the same as the radiation times obtained by the identification code), the central processing unit is provided with the radiation information control bracket to perform radiation in the irradiation chamber. If the comparison fails (for example, the number of radiation times corresponding to the article to be irradiated is different from the number of radiation times obtained by the identification code), the central processing unit obtains correct identification code information again according to the data stored in the data center to generate the corresponding identification code.
A control system for irradiation of an electron accelerator, referring to FIG. 2, comprises an information acquisition module, a transmission system, a plurality of branch conveying subsystems, an irradiation chamber and a central processing unit; the information acquisition module is used for acquiring radiation information on the bracket, wherein the radiation information comprises radiation intensity and radiation time; the conveying system is positioned outside the irradiation chamber and is used for conveying the bracket loaded with the articles to be irradiated to different branch conveying subsystems in the irradiation chamber; and the central processor is used for controlling the operation of the conveying system and/or the plurality of branch conveying subsystems and controlling the bracket to enter different branch conveying subsystems for radiation according to the radiation information.
A plurality of return conveying subsystems are arranged in the irradiation chamber, and two ends of each return conveying subsystem are communicated with two ends of one branch conveying subsystem; the radiation information also comprises radiation times, and the bracket reloaded with the articles to be irradiated is conveyed to the front end of the corresponding branch conveying subsystem through the return conveying subsystem according to the radiation times; the return conveying subsystem conveys the articles to be irradiated for multiple times to the corresponding branch subsystems for irradiation, so that the utilization rate of the plurality of branch conveying subsystems in the irradiation chamber can be increased, and the irradiation efficiency is improved. The information acquisition module is used for acquiring the identification codes on the brackets, sending the identification codes to the central processing unit and controlling the operation of the conveying system and/or the branch conveying subsystems through the central processing unit; the identification code is scanned to obtain the radiation information corresponding to the irradiated article, and the difficulty in obtaining the radiation information is reduced.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A control method for irradiation of an electron accelerator, which comprises a central processing unit, a bracket for carrying articles to be irradiated, a conveying system for conveying the bracket and an irradiation chamber for providing irradiation, wherein the conveying system comprises a plurality of branch conveying systems, and the branch conveying systems are positioned in the irradiation chamber, the control method comprises the following steps:
acquiring radiation information corresponding to an article to be irradiated loaded on a bracket, wherein the radiation information comprises radiation intensity and radiation time;
the central processing unit controls the conveying system to convey the bracket into the irradiation chamber, and controls the bracket to enter different branch conveying subsystems for irradiation according to the irradiation information.
2. The method of claim 1, wherein the irradiation information further includes irradiation times, and the cpu controls the number of times the carriage enters the branch transportation subsystem according to the irradiation times.
3. The method for controlling irradiation of an electron accelerator according to claim 2, wherein the controlling the number of times the carrier enters the branch transport subsystem according to the number of irradiation times comprises:
the bracket loaded with the articles to be irradiated is conveyed to the front end of the corresponding branch conveying subsystem in the irradiation chamber according to the irradiation times through the conveying system;
or a plurality of return conveying subsystems are arranged in the irradiation chamber, two ends of each return conveying subsystem are communicated with two ends of one branch conveying subsystem, and the return conveying subsystems convey the bracket reloaded with the articles to be irradiated to the front ends of the corresponding branch conveying subsystems according to the irradiation times.
4. The method for controlling irradiation of an electron accelerator according to claim 1, wherein acquiring radiation information corresponding to the article to be irradiated loaded on the carrier comprises:
initializing the product information of each article to be irradiated to obtain an identification code on the bracket, and specifically comprising the following steps:
acquiring product information of each article to be irradiated;
recording the product information of each article to be irradiated into a data center;
and correspondingly generating an identification code for identifying the article to be irradiated according to the product information of each article to be irradiated.
5. The method for controlling irradiation of an electron accelerator as claimed in claim 4, wherein the step of correspondingly generating the identification code for identifying the article to be irradiated according to the product information of each article to be irradiated comprises:
extracting identification code information needing to be put in an identification code according to the product information of each article to be irradiated, wherein the identification code information comprises: the identification number is used for uniquely identifying the article to be irradiated;
and converting the extracted identification code information to generate an identification code so as to arrange the generated identification code on a corresponding bracket.
6. The control system for irradiation of the electron accelerator is characterized by comprising an information acquisition module, a transmission system, a plurality of branch conveying subsystems, an irradiation chamber and a central processing unit;
the information acquisition module is used for acquiring radiation information on the bracket, wherein the radiation information comprises radiation intensity and radiation time;
the conveying system is positioned outside the irradiation chamber and is used for conveying the bracket loaded with the articles to be irradiated to different branch conveying subsystems in the irradiation chamber;
and the central processor is used for controlling the operation of the conveying system and/or the plurality of branch conveying subsystems and controlling the brackets to enter different branch conveying subsystems for radiation according to the radiation information.
7. The control system of electron accelerator irradiation according to claim 6, wherein a plurality of return transport subsystems are arranged in the irradiation chamber, and both ends of each return transport subsystem are communicated with both ends of one of the branch transport subsystems; the radiation information also comprises radiation times, and the carriers reloaded with the articles to be irradiated are conveyed to the front ends of the corresponding branch conveying subsystems through the return conveying subsystems according to the radiation times.
8. The system for controlling irradiation of an electron accelerator according to claim 6, wherein the information acquisition module is configured to collect the identification code on the carrier and send the identification code to the central processing unit, and the central processing unit controls the operation of the transport system and/or the plurality of branch transport subsystems.
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