9 results about "Superconducting cyclotron" patented technology

The invention relates to the technical field of superconducting cyclotrons, and discloses a spiral resonant cavity for a superconducting cyclotron, which comprises an upper resonant cavity body and a lower resonant cavity body, and the upper resonant cavity body is positioned right above the lower resonant cavity body; through distributed waterway design and structural optimization, the cooling system can effectively process heat generated in the accelerator; efficient heat dissipation of the system is ensured through design means such as a multi-directional cooling channel, an oxygen-free copper brazing pipeline and a double-path independent cooling pipe, excessive accumulation in a high-temperature area is avoided, and meanwhile the stability of equipment can be kept in long-time operation; the structure of the single inner rod is convenient for voltage distribution adjustment, the structure is simple and compact, and the processing complexity and the manufacturing cost are greatly reduced; a core component solution with high reliability and low operation and maintenance cost is provided for the superconducting cyclotron, and application efficiency upgrading in the fields of medical treatment, scientific research and the like is promoted.

The invention discloses a thermal deformation pre-compensation method for a coreless superconducting cyclotron, and the method comprises the following steps: building a coreless high-temperature superconducting coil three-dimensional model which comprises a plurality of coils with different shapes and positions in the coreless high-temperature superconducting coil; carrying out a complete cooling process from 300K to 20K, and calculating form and position thermal deformation deviations of coils with different shapes and different positions in the model; pre-compensation calculation of the model is conducted through the form and position thermal deformation deviation; according to the pre-compensation amount at the low temperature of 20 K, the pre-compensation amount at the temperature of 300 K is reversely deduced, and the pre-compensation amount comprises a radial amplification coefficient and an axial amplification parameter; and iteration is repeated until the error between the 300K model with the pre-compensation amount and the design target is smaller than the error range. According to the method, the problems that in the prior art, the capability of accurately predicting the deformation behavior of the coil in the extreme temperature change process before the manufacturing stage is lacked, the positive design of pre-compensation cannot be actively carried out, and the basis of quantitative design is lacked are solved.

Described herein are compact particle therapy systems comprising a superconducting cyclotron for proton therapy applications. In some aspects, an electromagnetic beamline incorporating energy selection systems and pencil beam scanning magnets directs particle beams from the cyclotron to a treatment isocenter. A patient positioning device comprising a robotic positioner with six degrees of freedom supports patient alignment, t. The particle system can be ultra compact and able to be installed in existing photon linear accelerator (e.g., radiation therapy) vaults.

This invention discloses a conduction-cooled superconducting isochronous cyclotron accelerator, belonging to the technical field of superconducting isochronous cyclotron accelerators. It includes a main accelerator support, which is a base frame structure composed of several vertical supports. Vertically arranged hydraulic lifting systems are fixedly installed on the side walls of each set of vertical supports. A first magnetic yoke is fixedly installed on the top of the main accelerator support, and a second magnetic yoke is fixedly installed on the output end of the hydraulic lifting system. By employing direct conduction cooling technology using a cryostat to replace the traditional liquid helium immersion cooling system, the structural redundancy problem of superconducting cyclotron accelerators relying on complex liquid helium refrigeration units is solved. While maintaining the magnetic field strength, it completely eliminates bulky components such as liquid helium pools, recondensers, and multi-layered insulated pipelines. This not only significantly reduces the system height and sealing complexity but also avoids the high operation and maintenance costs caused by dependence on liquid helium resources.

The invention, which relates to the technical field of particle accelerator engineering and high-voltage insulation testing, discloses a high-voltage insulation detection apparatus for a superconductive cyclotron electrostatic deflection plate, comprising a C-type dipole iron, a vacuum box, an electrostatic deflection plate, a high-voltage vacuum electric feed-through, a high-voltage insulation platform, and a cooperative monitoring and data acquisition system. The collaborative monitoring and data acquisition system comprises a leakage current, vacuum degree, magnetic field and high-voltage state acquisition unit, an optical observation unit and a control processing unit; and the control processing unit performs unified time reference synchronous sampling on the multi-source signals, associatively stores image frames according to timestamps, and generates a discharge event mark based on leakage current abrupt change or discharge characteristics. A high-intensity magnetic field and high-vacuum composite working condition is reproduced before the whole machine is assembled, so that a test environment is closer to an actual operation state; through multi-source signal synchronous acquisition and event triggering associated storage, full-dimension traceable recording of a discharge process is realized. And the authenticity of test results and the data reliability are improved.

The invention relates to the technical field of automatic control systems, in particular to a direct-current high-voltage test control system, which is used for high-voltage insulation test of an electrostatic deflection plate of a superconducting cyclotron, and comprises a central control unit comprising a programmable logic controller and an upper computer which communicate with each other; the positioning subsystem is connected with the programmable logic controller and is used for supporting and adjusting the spatial position of the tested electrostatic deflection plate; the test environment subsystem is connected with the programmable logic controller; according to the invention, subsystems and modules of positioning, vacuum establishment, high voltage application, multi-source synchronous monitoring, data fusion, risk assessment and the like are coordinated in a unified manner through the central control unit, and original split manual operation is integrated into a coherent and automatic process. The test efficiency is greatly improved, the strict consistency and repeatability of test conditions are ensured, and the system can fundamentally improve the internal safety of the whole test process based on the comprehensive risk evaluated in real time.

This invention discloses a high-voltage insulation detection device for an electrostatic deflection plate in a superconducting cyclotron accelerator, relating to particle accelerator engineering and high-voltage insulation testing technology. The device includes: a C-type diode, a vacuum chamber, an electrostatic deflection plate, a high-voltage vacuum feedthrough, a high-voltage insulation platform, and a collaborative monitoring and data acquisition system. The collaborative monitoring and data acquisition system includes leakage current, vacuum level, magnetic field, and high-voltage status acquisition units, an optical observation unit, and a control and processing unit. The control and processing unit performs synchronous sampling of multi-source signals using a unified time reference, stores image frames in association according to timestamps, and generates discharge event markers based on leakage current mutations or discharge characteristics. This invention reproduces the combined strong magnetic field and high vacuum conditions before assembly, making the test environment closer to the actual operating state; through synchronous acquisition of multi-source signals and event-triggered association storage, it achieves full-dimensional traceability recording of the discharge process; improving the authenticity and reliability of test results.

The invention discloses a superconducting cyclotron PLC development system based on a minimum optional unit. The superconducting cyclotron PLC development system comprises a minimum subunit optional module based on an upper computer and a minimum subunit development module based on a lower computer. The minimum subunit development module based on the lower computer comprises a minimum subunit development module with adjustable parameters in an accelerator operation state and a minimum subunit development module with adjustable parameters in an accelerator aging state; the minimum subunit development module with the adjustable parameters is located at a leaf level or a tip level of a superconductive cyclotron PLC development system tree structure; through development and selection of minimum subunits, high decoupling and function independence of each subsystem of the accelerator are realized; according to the invention, the PLC control system of the superconducting cyclotron is decomposed into a series of independent and configurable minimum optional units, so that a flexible, configurable and easy-to-maintain control system structure is realized. Therefore, the development and maintenance cost is reduced.

The application provides a high-gain superconducting cyclotron capable of accelerating H + 2 and 12 C 6+ The high-gain superconducting cyclotron of ions comprises a double ion source system respectively installed on two sides below the accelerator, an injection line transmission system respectively installed below the accelerator and shared by the double ion source system, a spiral high-frequency cavity system for accelerating particles, which is respectively installed between magnetic poles on the upper and lower sides of the central plane of the accelerator, a 12C6+ ion deflection plate extraction system installed at the deflection plate exit of the central plane of the accelerator, and an H+2 stripping membrane extraction system installed at the stripping exit of the central plane of the accelerator. The application realizes the continuous adjustment of the proton beam and the high-energy 12C6+ ion beam in a large energy range on the same cyclotron for the first time, and achieves one machine with three uses. The application develops a superconducting cyclotron capable of accelerating H+2 and 12C6+ ions based on the injection of an external high-current ion source, which can realize the isochronous acceleration of H+2 and 12C6+ ions without adjusting any main technical parameters of the accelerator such as the magnet and the high frequency.