18 results about "Radiation measuring device" patented technology

1. The name of the design product: radiation measuring device. 2. The use of the design product: the design product is used for monitoring the radiation dose field of the environment radiation and analyzing the radionuclide deposition characteristics. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The application relates to a ratio type radiation sensing device with nonlinear response to dose rate and a use method thereof, and relates to a scintillator radiation measuring device with nonlinear change of luminous intensity and use method, and aims to solve the technical problems of low measuring precision, complex structure, poor reliability, poor real-time performance and poor applicability of existing radiation sensors. The ratio type radiation sensing device with nonlinear response to dose rate comprises an X-ray excitation module, a mixed sensing probe and a light signal collection module; wherein the mixed sensing probe is a round piece pressed by uniformly mixing NaLuF4:3Pr,5Er nanocrystals and NaLuF4:3Ce nanocrystals. The use method of the device is a standard curve method. The device can realize accurate detection in a wide range of 1.86-14.95 mGy / s, and can be used in the fields of environmental monitoring, biomedical imaging and public security inspection.

The invention discloses a paper feeding method for a radioactive aerosol activity monitor with a constant linear speed, and belongs to the technical field of nuclear radiation measuring instruments, and the method comprises the following steps: 1, mounting filter paper; 2, feeding filter paper; and 3, paper feeding detection. According to the invention, the PLC controller is controlled to control the motor to rotate at a constant linear speed, so that the filter paper always moves at a constant speed, the stability of sampling flow in a gas circuit is ensured, and the accuracy of a monitoring result is ensured; and meanwhile, the stability of the damping of the filter paper shaft is ensured, and the filter paper is prevented from being broken due to increased damping or being not accurately monitored due to decreased damping.

1. Name of the product in this design: Radiation measuring instrument. 2. Purpose of this design: This product is used for the detection of ionizing radiation. 3. The key design points of this product are: the shape of the product in design 1, the shape of the product in design 2, and the combination of shape and color. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design. 6. Other situations requiring explanation: Design 2 requests color protection.

To provide a radiation measuring technology to easily execute radiation measuring equipment installation work according to the position of an irradiation port in a particle beam therapy system in which the position of the irradiation port changes.SOLUTION: A radiation measuring equipment support device 30 includes: a circular column case 31 forming a circular columnar shape that houses a phantom 40 and radiation measuring equipment 41; a foundation 32 for supporting the circular column case 31 rotatably in a circumferential direction in a state that the cylindrical axis is directed in a horizontal direction, and fixing the circular column case 31 at an arbitrary rotation angle in the circumferential direction; and angle display parts 38 and 39 for displaying the rotation angle.SELECTED DRAWING: Figure 5

This item is a medical X-ray protective garment worn by medical professionals during X-ray examinations. As shown in the reference diagram illustrating the openings, this item has openings on the shoulders that can accommodate a radiation measuring device for the head and neck.

The invention belongs to the technical field of gamma radioactive radiation measurement, and particularly relates to a gamma radiation measuring instrument and a gamma radiation measuring method. The gamma radiation measuring instrument comprises a primary instrument detection unit and a secondary instrument data processing unit. The primary instrument detection unit comprises an ionization chamber, a GM counting tube, a first high voltage, a second high voltage, a current amplification module, a pulse shaping module, a first differential conversion module, a second differential conversion module and a high voltage program control module. The secondary instrument data processing unit comprises a processor, a voltage frequency converter, a first differential reduction module, a power supply module, a second differential reduction module, a retort counting module and a relay output module. The ionization chamber is used as a main measurement channel, and the GM counting tube is used as an auxiliary measurement channel, so that the technical problem of how to improve the measurement reliability and stability of the radiation measurement instrument is solved.

This invention provides a method for detecting noise contained in measurement results from a radiation measuring device while reducing computational complexity without causing overflow or underflow. [Solution] The noise detection method is a noise detection method performed by a computer, and includes the steps of: acquiring the count value of radiation measured per unit time over a predetermined period; calculating a value obtained by dividing the Poisson probability of one of the count values ​​measured over the predetermined period by the Poisson probability of the average value of the count values ​​over the predetermined period; and determining that the one count value is noise if the calculated value is less than or equal to a predetermined value.

1. The name of the design product: personal dose alarm (HAW-30OM Plus). 2. The use of the design product: radiation measuring instrument for personal radiation dose or radiation dose rate alarm of X, Y, neutron and other rays. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The application discloses a paper feeding method with constant linear velocity of a radioactive aerosol activity monitor, and belongs to the technical field of nuclear radiation measuring instruments.The method comprises the following steps: 1, filter paper installation; 2, filter paper feeding; and 3, feeding detection.The motor is controlled by a PLC controller to rotate at a constant linear velocity, so that the filter paper always keeps a constant speed, the stability of the sampling flow in the air path is ensured, and the accuracy of the monitoring result is ensured; meanwhile, the stability of the filter paper shaft damping is ensured, so that the filter paper will not be broken due to the increase of the damping, or the filter paper will not fail to accurately monitor due to the decrease of the damping.

The present application belongs to the technical field of equipment calibration, and particularly relates to an infrared radiation measuring equipment response slope calibration device and method. The infrared radiation measuring equipment comprises a telescope barrel, and the calibration device comprises a cylinder, a lens cover, a diffuse reflection plate and a black body. The cylinder is sleeved on the outer edge of the front end of the telescope barrel, the lens cover covers the aperture of the cylinder, the diffuse reflection plate is attached to the inside of the lens cover and is synchronously turned with the lens cover, and the black body is arranged outside the lens cover and can be connected and detached. The aperture of the opening on the lens cover is smaller than the aperture of the black body. The calibration range of the method meets the requirements of low-end and high-end ranges, the cost is relatively low, and obvious economic benefits are achieved.

The application provides a radiation measuring device, which comprises a fixing base, a radiation signal measuring instrument, a motor, a driving assembly, a driven assembly and a connecting assembly; the fixing base is provided with a sliding groove, the radiation signal measuring instrument is slidably arranged on the sliding groove; the motor is arranged on the fixing base, and the driving assembly is arranged on the output shaft of the motor; the driven assembly is rotatably arranged in the sliding groove, the rotation of the driving assembly can periodically drive the rotation of the driven assembly, and the rotation of the driven assembly is limited in the rotation gap; one end of the connecting assembly is connected with the driven assembly, and the other end of the connecting assembly is connected with the connecting assembly; the rotation of the driven assembly can drive the reciprocating movement of the radiation signal measuring instrument through the connecting assembly. The above-mentioned radiation measuring device can monitor the radiation signal in a wide range.

The utility model discloses a device for on-orbit calibration of an infrared radiation measuring instrument, which belongs to the technical field of thermal metrology and comprises an artificial black body used for generating thermal radiation with set intensity; the cooling pipe type light path system is used for transmitting radiation emitted by the artificial black body; comprising at least one low-temperature refrigeration device used for maintaining a low-temperature environment of the light path system; the off-axis ellipsoidal reflector is used for converging and reflecting radiation to the infrared radiation measuring instrument; the light path switching mechanism is used for changing the pose of the off-axis ellipsoidal reflector and realizing light path switching among different infrared radiation measuring instruments; and the control system can control the radiation intensity of the artificial black body and the action of the light path switching mechanism. By integrating the artificial black body, the cooling pipe type light path system, the off-axis ellipsoid reflector, the light path switching mechanism and the control system, the infrared radiation measuring instrument is accurately calibrated, and the problem that the measurement precision is reduced due to the fact that the on-orbit time is too long is solved.

The utility model provides a long rod gamma radiation dose rate instrument relates to gamma radiation dose detection instrument technical field to solve the problem that data transmission line is easy to disorderly wind together when the existing technology radiation measuring instrument extension pole retracts, this long rod gamma radiation dose rate instrument includes mounting seat, telescopic rod, probe, wire and automatic take -up device, automatic take -up device installs in mounting seat, one end of telescopic rod is connected with mounting seat and the other end is connected with probe, automatic take -up device includes the rotary reel and pivot that set up in mounting seat, the rotary reel can rotate and install on the pivot, and between the rotary reel inboard and pivot is connected with elastic contraction spare, the wire is wound on the rotary reel and its first end extends into telescopic rod and is connected with probe, and elastic contraction spare can make the rotary reel retract with telescopic rod and play wire. This gamma radiation dose rate instrument can guarantee the stable operation of detection instrument, has improved the convenience when using.

To provide a radiation detector, a radiation measurement device, and a setting method of the radiation detector that can suppress double counting that detects a single pulse in a duplicate manner by multiple counters in the time of switching counters and acquire high-accuracy data.SOLUTION: A radiation detector 100 which can detect the radiation with continuous exposure includes: a sensor 110 which generates a pulse when a particle of radiation is detected; multiple counters 140a, 140b which are provided so as to be able to count the pulses; a setting retention circuit 150 which retains setting of the off-time that turns off both the multiple counters 140a, 140b; and a control circuit 160 which switches the counter that counts the pulse after the set off-time for a trigger signal.SELECTED DRAWING: Figure 1

1. Name of the product in this design: Radiation measuring instrument. 2. Purpose of this design: This product is used to measure radioactive contamination on small personal items or the surface of the hands. 3. The key design points of this product are: the shape of the product in design 1, the shape of the product in design 2, and the combination of shape and color. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design. 6. Other situations requiring explanation: Design 2 requests color protection.

1. The name of the design product: personal dose alarm (NC-200M). 2. The use of the design product: radiation measuring instrument for personal radiation dose or radiation dose rate alarm of X, Y, neutron and other rays. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.