摘要：【中文】本发明公开了一种电机转速安全调节控制方法，本发明通过主控板自检电路检测、电机前级检测电路以及上位机发送的旋转及转速指令判断的三重保护措施，实现了对电机转速进行安全有效的控制，本发明具有程控和本控的双重工作方式，使用者根据使用需求自由选择。 【EN】The invention discloses a motor rotating speed safety regulation control method, which realizes safe and effective control of the rotating speed of a motor by triple protection measures of main control board self-detection circuit detection, motor preceding stage detection circuit and rotation and rotating speed instruction judgment sent by an upper computer.

摘要：【中文】本发明公开一种调制器的多信号源选择电路及其控制方法，包括上位机、控制CPU、信号源选择电路和多个并联的信号源存储电路；所述信号源数量与加速器能档一一对应，上位机被控输出加速器能档信号，控制CPU根据所述能档信号产生选片编码送给信号源选择电路，信号源选择电路根据选片编码控制相应的信号源工作，当加速器需在高能档工作时，控制所述信号源选择电路选取最大重复频率相对低，每个重复周期中充电脉冲多的信号源；当加速器需在低能档工作时，控制所述信号源选择电路选取最大重复频率相对高，每个重复周期中充电脉冲少的信号源；本发明能够提升加速器低能端剂量率。 【EN】The invention discloses a multi-signal-source selection circuit of a modulator and a control method thereof, wherein the multi-signal-source selection circuit comprises an upper computer, a control CPU, a signal source selection circuit and a plurality of signal source storage circuits which are connected in parallel; the number of the signal sources corresponds to the energy levels of the accelerators one by one, the upper computer is controlled to output accelerator energy level signals, the control CPU generates chip selection codes according to the energy level signals and sends the chip selection codes to the signal source selection circuit, the signal source selection circuit controls the corresponding signal sources to work according to the chip selection codes, and when the accelerators need to work at the high energy levels, the signal source selection circuit is controlled to select the signal sources with relatively low maximum repetition frequency and more charging pulses in each repetition period; when the accelerator needs to work at a low energy level, the signal source selection circuit is controlled to select a signal source with relatively high maximum repetition frequency and less charging pulse in each repetition period; the invention can improve the dosage rate of the low-energy end of the accelerator.

摘要：【中文】本发明公开了一种医用加速器用参数自修正电离室，电离室包括密封壳体、气孔密封塞、大气压力温湿度传感器、气体压力传感器及真空接线端子；密封壳体上设有气孔密封塞，通过气孔密封塞向密封壳体内充入灵敏气体，所述大气压力温湿度传感器固定在密封壳体的外部，大气压力温湿度传感器实时监测电离室所处位置的温度、湿度和大气压力，并将监测信号同步发送到外部控制计算机，控制计算机根据监测信号对电离室的输出信号进行实时修正；气体压力传感器固定在密封壳体内部，实时监测灵敏气体压力，压力信号通过设置在密封壳体上的真空接线端子引出，并将气体压力信号发送至外部的控制计算机。本发明能够自动修正电离室的输出信号，同时还能实现对电离室内气体泄漏的实时监测。 【EN】The invention discloses a parameter self-correction ionization chamber for a medical accelerator, which comprises a sealed shell, an air hole sealing plug, an atmospheric pressure temperature and humidity sensor, a gas pressure sensor and a vacuum wiring terminal, wherein the sealed shell is provided with a sealing hole; the air hole sealing plug is arranged on the sealing shell, sensitive gas is filled into the sealing shell through the air hole sealing plug, the atmospheric pressure temperature and humidity sensor is fixed outside the sealing shell, the atmospheric pressure temperature and humidity sensor monitors the temperature, the humidity and the atmospheric pressure of the ionization chamber in real time, monitoring signals are synchronously sent to an external control computer, and the control computer corrects output signals of the ionization chamber in real time according to the monitoring signals; the gas pressure sensor is fixed inside the sealed shell, the sensitive gas pressure is monitored in real time, a pressure signal is led out through a vacuum wiring terminal arranged on the sealed shell, and the gas pressure signal is sent to an external control computer. The invention can automatically correct the output signal of the ionization chamber and can realize real-time monitoring of gas leakage in the ionization chamber.

摘要：【中文】本发明公开了一种医用加速器用均整度指标全角度范围测试装置，装置包括检测单元安装板、支柱、检测单元、治疗头安装板、固体水支座和固体水；支柱的上端与治疗头安装板固定连接，治疗头安装板用于连接治疗头，支柱下端水平连接板的条形孔与检测单元安装板上的条形孔呈十字交叉后通过螺栓连接，螺栓未锁紧时通过条形孔调整两者的X、Y方位；固体水支座固定连接在检测单元安装板的上表面，固体水固定在固体水支座上，固体水与检测单元安装板之间形成水平间隙；检测单元置于该间隙中并与检测单元安装板固定。检测单元与机架同步旋转且保持相互位置关系，消除了角度定位误差引起的测量误差，不需要人工调节检测单元的角度。 【EN】The invention discloses an evenness index full-angle range testing device for a medical accelerator, which comprises a detection unit mounting plate, a support, a detection unit, a treatment head mounting plate, a solid water support and solid water, wherein the detection unit mounting plate is arranged on the support; the upper end of the pillar is fixedly connected with a treatment head mounting plate, the treatment head mounting plate is used for connecting a treatment head, the strip-shaped hole of the horizontal connecting plate at the lower end of the pillar is crossed with the strip-shaped hole on the detection unit mounting plate and then is connected with the detection unit mounting plate through a bolt, and the X, Y directions of the horizontal connecting plate and the detection unit mounting plate are adjusted through the strip-shaped hole when the bolt is not locked; the solid water support is fixedly connected to the upper surface of the detection unit mounting plate, the solid water is fixed on the solid water support, and a horizontal gap is formed between the solid water and the detection unit mounting plate; the detection unit is arranged in the gap and fixed with the detection unit mounting plate. The detection unit and the rack rotate synchronously and keep mutual position relation, measurement errors caused by angle positioning errors are eliminated, and the angle of the detection unit does not need to be adjusted manually.