摘要:
The present application relates to an apparatus and a method for generating flattening x-rays radiation field. The apparatus generating flattening x-rays radiation field comprises: multiple electron accelerators (1a, 1b) for generating high-energy electron beam current; and common target unit (2) comprising vacuum target chamber, target and multiple input connecting means (103a, 103b); wherein, the multiple input connecting means are connected to one side of the vacuum target chamber and the target is installed at the other side of the vacuum target chamber opposing the multiple input connecting means, the axes of which intersect in pairs at one point in an predetermined included angle. The multiple electron accelerators are connected to the multiple input connecting means.
摘要:
The present application provides a curved surface array distributed x-ray apparatus, characterized in that, it comprises: a vacuum box which is sealed at its periphery, and the interior thereof is high vacuum; a plurality of electron transmitting units (1) arranged on the wall of the vacuum box in multiple rows along the direction of the axis of the curved surface in the curved surface facing the axis; an anode (2) made of metal and arranged in the axis in the vacuum box which comprises an anode pipe and an anode target surface; a power supply and control system having a high voltage power supply connected to the anode, a filament power supply connected to each of the plurality of the electron transmitting units, a grid-controlled apparatus connected to each of the plurality of electron transmitting units, a control system for controlling each power supply.
摘要:
A standing wave electron linear accelerating apparatus and a method thereof are disclosed. The apparatus comprises an electron gun configured to generate electron beams; a pulse power source configured to provide a primary pulse power signal; a power divider coupled downstream from the pulse power source and configured to divide the primary pulse power signal outputted from the pulse power source into a first pulse power signal and a second pulse power signal; a first accelerating tube configured to accelerating the electron beams with the first pulse power signal; a second accelerating tube configured to accelerate the electron beams with the second pulse power signal; a phase shifter configured to continuously adjust a phase difference between the first pulse power signal and the second pulse power signal so as to generate accelerated electron beams with continuously adjustable energy at output of the second accelerating tube.
摘要:
The present invention may perform fluoroscopic imaging simultaneously on the subjects in at least two channels using only one electron accelerator, at least two sets of X-ray beams and at least two sets of detector systems, through the design of the electron accelerator, the shielding and collimating device, the at least two detector arrays and various mechanical composite structures. The X-ray fluoroscopic imaging system according to the present invention may be designed in specific forms of a stationary type, an assembled type, a track mobile type or vehicular mobile type, etc., and has advantages such as simple structure, low cost, strong function, good image quality and the like.
摘要:
The present application provides an external thermionic cathode distributed x-ray apparatus, comprises: a vacuum box (3) which is sealed at its periphery, and the interior thereof is high vacuum; a plurality of electron transmitting units (1) arranged in a linear array and installed on the side wall of the vacuum box, each electron transmitting unit (11,12,13,14) is independent to each other; an anode (2) installed in the center inside the vacuum box, and in the direction of length, the anode is parallel to the orientation of the electron transmitting unit, and in the direction of width, the anode has a predetermined angle with respect to the plane of the electron transmitting unit; and a power supply and control system (7) having a high voltage power supply (702), a focusing power supply; a transmitting control means (703) and a control system (701); the electron transmitting unit having: a heating filament; a cathode connected to the heating filament; an insulated support enclosing the heating filament and the cathode; a focusing electrode, arranged at the upper end of the insulated support by way of locating above the cathode; and a connecting fastener arranged above the focusing electrode and connected to the wall of the vacuum box; wherein, the filament lead is connected to the transmitting control means through the insulated support.
摘要:
A x-ray apparatus of the present application comprises: a vacuum box which is sealed at its periphery, and the interior thereof is high vacuum; a plurality of electron transmitting units (1) arranged in a linear array and installed on the wall at one end within the vacuum box, each electron transmitting unit is independent to each other; the electron transmitting unit having: a heating filament; a cathode connected to the heating filament; a grid arranged above the cathode opposing the cathode;anode (2) made of metal and installed at the other end of the vacuum box, and in the direction of length, the anode is parallel to the plane of the grid of the electron transmitting unit, and in the direction of width, the anode has a predetermined angle with respect to the plane of the grid of the electron transmitting unit.
摘要:
A standing wave electron linear accelerating apparatus and a method thereof are disclosed. The apparatus comprises an electron gun configured to generate electron beams; a pulse power source configured to provide a primary pulse power signal; a power divider coupled downstream from the pulse power source and configured to divide the primary pulse power signal outputted from the pulse power source into a first pulse power signal and a second pulse power signal; a first accelerating tube configured to accelerating the electron beams with the first pulse power signal; a second accelerating tube configured to accelerate the electron beams with the second pulse power signal; a phase shifter configured to continuously adjust a phase difference between the first pulse power signal and the second pulse power signal so as to generate accelerated electron beams with continuously adjustable energy at output of the second accelerating tube.