CN214954123U

CN214954123U - Dose rate measuring device

Info

Publication number: CN214954123U
Application number: CN202121240952.2U
Authority: CN
Inventors: 王晓康; 常明利; 濮建华
Original assignee: Nuctech Technology Jiangsu Co ltd; Nuctech Co Ltd
Current assignee: Nuctech Technology Jiangsu Co ltd; Nuctech Co Ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-11-30
Anticipated expiration: 2031-06-04

Abstract

The utility model relates to a dose rate measuring device. The device includes: a dosimeter; the bidirectional translation module comprises a first support, a second support, a first driving mechanism and a second driving mechanism, wherein the second support is movably arranged on the first support, the first driving mechanism is used for driving the second support on the first support to move according to a first direction, the dosimeter is movably arranged on the second support, and the second driving mechanism is used for driving the dosimeter on the second support to move according to a second direction perpendicular to the first direction, so that the dosimeter can measure and obtain dosage rates at different positions. The utility model relates to a dose rate measuring device has small in size, shows advantage such as directly perceived, detection efficiency is high, powerful, with low costs.

Description

Dose rate measuring device

Technical Field

The utility model relates to a nuclear radiation detects technical field, particularly, relates to a dose rate measuring device.

Background

The dose rate output by the accelerator is one of the most important indicators of the accelerator, and the dose rate of the accelerator is directly related to the image quality. When the dosage rate output by the accelerator is measured, a position 1 meter away from a target point is usually selected, a dosimeter probe is used for measuring, the maximum point of the dosage rate is found, and the dosage rate at the position is the dosage rate output by the accelerator. FIG. 1 is a graph of a Monte Carlo simulation of a dose rate profile in an accelerator beam-out direction. As can be seen, the region 110 is the portion where the dose rate is the greatest, and is relatively more concentrated, and is more concentrated at the region 110 one meter away from the target point (the direction of the radiation), and the dose rate measured at this position can truly reflect the dose rate output by the accelerator. In the process of measuring the dose rate by the whole vehicle, the probe of the dosimeter is fixed on the collimator by using an adhesive tape, and the position of the manual probe is adjusted back and forth to find the maximum point of the dose rate. However, the method is complex to operate, poor in measurement accuracy and has certain potential safety hazard.

Therefore, a new dose rate measuring device is needed.

The above information disclosed in the background section is only for enhancement of understanding of the background of the present invention, and therefore it may include information that does not constitute related art known to those of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a dose rate measuring device can simplify the dose rate measurement process to guarantee dose rate measurement accuracy.

Other features and advantages of the invention will be apparent from the following detailed description, or may be learned by practice of the invention in part.

According to the utility model discloses an aspect provides a dose rate measuring device, and the device includes: a dosimeter; the bidirectional translation module comprises a first support, a second support, a first driving mechanism and a second driving mechanism, wherein the second support is movably arranged on the first support, the first driving mechanism is used for driving the second support on the first support to move according to a first direction, the dosimeter is movably arranged on the second support, and the second driving mechanism is used for driving the dosimeter on the second support to move according to a second direction perpendicular to the first direction, so that the dosimeter can measure and obtain dosage rates at different positions.

The utility model discloses an in an exemplary embodiment, first support has first recess, first support include first lead screw and inlay in first sliding block in the first recess, first sliding block cover is established on the first lead screw, first sliding block with the junction of first lead screw be equipped with the screw thread that first lead screw matches, the second support is fixed in on the first sliding block, first actuating mechanism is used for the drive first lead screw is rotatory, so that first sliding block and on the first sliding block the second support according to the first direction removes.

In an exemplary embodiment of the present invention, the first support includes a first electrical connection rod, one end of the first electrical connection rod is connected to the first driving mechanism, the second support is fixed to the other end of the first electrical connection rod, and the first driving mechanism is configured to drive the first electrical connection rod to move according to the first direction, so that the first electrical connection rod drives the second support to move according to the first direction.

In an exemplary embodiment of the present invention, the second bracket has a second groove, the second bracket includes a second lead screw and a second sliding block embedded in the second groove, the second sliding block sleeve is disposed on the second lead screw, a connection between the second sliding block and the second lead screw is provided with a thread matching with the second lead screw, the dosimeter is fixed on the second sliding block, the second driving mechanism is used to drive the second lead screw to rotate, so that the dosimeter on the second sliding block and the second sliding block moves according to the second direction.

In an exemplary embodiment of the present invention, the dosimeter is fixed to the second sliding block by a clamp.

The utility model discloses an in an exemplary embodiment, whole car dose rate measuring device still includes collimator and magnetic force seat, the magnetic force seat be used for with two-way translation module adsorbs on the collimator.

According to the utility model discloses an aspect provides a dose rate measurement method, and this method includes: the method comprises the steps of obtaining a displacement instruction aiming at a bidirectional translation module, wherein the displacement instruction comprises a first direction displacement and a second direction displacement, the bidirectional translation module comprises a first support, a second support, a first driving mechanism and a second driving mechanism, the second support is movably arranged on the first support, the first driving mechanism is used for driving the second support on the first support to move according to the first direction, a dosimeter is movably arranged on the second support, and the second driving mechanism is used for driving the dosimeter on the second support to move according to a second direction perpendicular to the first direction; controlling the first driving mechanism according to the first direction displacement amount, so that the first driving mechanism drives the second support on the first support to perform translation with the translation amount being the first direction displacement amount in the first direction; controlling the second driving mechanism according to the second direction displacement amount, so that the second driving mechanism drives the dosimeter on the second support to perform translation with the translation amount in the second direction being the second direction displacement amount, and the dosimeter is translated to a target position; the resulting dose rate is measured at the target location by the dosimeter.

According to the utility model discloses an aspect provides a dose rate measurement method, and this method includes: the method comprises the steps of obtaining a measurement instruction for a bidirectional translation module, wherein the measurement instruction comprises a first direction starting position, a first direction ending position, a second direction starting position and a second direction ending position, the bidirectional translation module comprises a first support, a second support, a first driving mechanism and a second driving mechanism, the second support is movably arranged on the first support, the first driving mechanism is used for driving the second support on the first support to move according to a first direction, a dosimeter is movably arranged on the second support, and the second driving mechanism is used for driving the dosimeter on the second support to move according to a second direction perpendicular to the first direction; controlling the second driving mechanism according to the second direction starting position, so that the second driving mechanism drives the dosimeter on the second support to translate to the second direction starting position in the second direction; controlling the first driving mechanism according to the first direction starting position and the first direction ending position, so that the first driving mechanism drives the second support on the first support to translate from the first direction starting position to the first direction ending position in the first direction, and obtaining a first dose rate at each first direction sampling position through sampling of the dosimeter in the translation process; determining a first direction sampling position of the maximum first dose rate as a first direction target position; controlling the first driving mechanism according to the first direction target position, so that the first driving mechanism drives the second support on the first support to translate to the first direction target position in the first direction; controlling the second driving mechanism according to the second direction target position, so that the second driving mechanism drives the dosimeter on the second support to translate from the second direction starting position to the second direction ending position in the second direction, and obtaining a second dosage rate at each second direction sampling position through the dosimeter sampling in the translation process; determining a second direction sampling position of the maximum second dose rate as a second direction target position, and determining the maximum second dose rate as a target dose rate; and responding to the measurement instruction, and sending the target dose rate, the first direction target position and the second direction target position.

According to an aspect of the utility model provides an electronic equipment is proposed, this electronic equipment includes: one or more processors; storage means for storing one or more programs; when executed by one or more processors, cause the one or more processors to implement a method as described above.

According to an aspect of the invention, a computer-readable medium is proposed, on which a computer program is stored, which program, when being executed by a processor, carries out the method as set forth above.

According to the utility model discloses some embodiment provide a dose rate measuring device, dosimeter set up on the second support in the two-way translation module. Because the first driving mechanism can drive the second support on the first support to move according to the first direction, the dosimeter can be driven to move along with the second support according to the first direction, and meanwhile, the dosimeter can be movably arranged on the second support in the bidirectional translation module, and the second driving mechanism can drive the dosimeter on the second support to move according to the second direction perpendicular to the first direction, so that the dosimeter can be driven to move in the first direction and the second direction, and further the first support and the second support are driven respectively based on the first driving mechanism and the second driving mechanism, so that the dosimeter can be driven to measure and obtain dosage rates at different positions quickly and accurately in the translation process, manpower and material resources are saved, the operation process is simplified, and the measurement precision is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are only some embodiments of the invention and other drawings can be derived from them by a person skilled in the art without inventive effort.

FIG. 1 is a graph of a Monte Carlo simulation of a dose rate profile in an accelerator beam-out direction.

Fig. 2 is a schematic diagram illustrating a dose rate measurement apparatus according to an exemplary embodiment.

Fig. 3 is a schematic diagram of a dose rate measurement device according to another exemplary embodiment of the present invention.

Fig. 4 is a schematic diagram of a dose rate measurement device according to another exemplary embodiment of the present invention.

FIG. 5 is a flow chart illustrating a method of dose rate measurement according to an exemplary embodiment.

Fig. 6 schematically shows a schematic view of a human-machine interface of a dose rate measurement method in a manual mode according to an embodiment of the present invention.

FIG. 7 is a flow chart illustrating a method of dose rate measurement according to another exemplary embodiment.

Fig. 8 schematically shows a schematic diagram of a human-machine interface of a dose rate measurement method in an automatic mode according to an embodiment of the present invention.

FIG. 9 is a flowchart illustrating a method of dose rate measurement according to another exemplary embodiment.

Fig. 10 schematically illustrates a block diagram of an electronic device in an exemplary embodiment of the invention.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals denote the same or similar parts in the drawings, and thus, a repetitive description thereof will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the invention.

The block diagrams shown in the figures are functional entities only and do not necessarily correspond to physically separate entities. I.e. these functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor means and/or microcontroller means.

The flow charts shown in the drawings are merely illustrative and do not necessarily include all of the contents and operations/steps, nor do they necessarily have to be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.

It will be understood that, although the terms first, second, third, etc. may be used herein to describe various components, these components should not be limited by these terms. These terms are used to distinguish one element from another. Thus, a first component discussed below could be termed a second component without departing from the teachings of the present inventive concept. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

It is to be understood by those skilled in the art that the drawings are merely schematic representations of exemplary embodiments, and that the blocks or processes shown in the drawings are not necessarily required to practice the present invention and are, therefore, not to be considered limiting of its scope.

In a dose rate measurement scene in the related art, besides the scheme of fixing a dosimeter probe on a collimator by using an adhesive tape, a gantry module is used for measuring the dose rate of an accelerator. However, the gantry module has a large volume, and the space between the on-site collimator and the accelerator is small, so that the gantry module is not suitable for on-site measurement of the dose rate of the whole vehicle.

In view of the defects in the related art, the application provides a dose rate measuring device and method, which have the advantages of small size, convenience in installation and the like, can enable a dosimeter to measure and obtain dose rates at different positions quickly and accurately in the translation process, save manpower and material resources, simplify the operation process and improve the measurement precision.

Fig. 2 is a schematic diagram illustrating a dose rate measurement apparatus according to an exemplary embodiment. As shown in fig. 1, a dose rate measuring device provided in an embodiment of the present invention may include a dosimeter (not shown in the figure) and a bidirectional translation module 210. The bi-directional translation module 210 may include a first support 211, a second support 212, a first driving mechanism 213 and a second driving mechanism 214, the second support 212 is movably disposed on the first support 211, the first driving mechanism 213 is configured to drive the second support 212 on the first support 211 to move according to a first direction, the dosimeter is movably disposed on the second support 212, and the second driving mechanism 214 is configured to drive the dosimeter (not shown in fig. 2) on the second support 212 to move according to a second direction perpendicular to the first direction, so that the dosimeter measures dose rates at different positions.

Wherein the dosimeter is an instrument for measuring dose rate.

In an exemplary embodiment, as shown in fig. 2, the first bracket 211 has a first groove 221, the first bracket 211 includes a first lead screw 222 and a first sliding block 223 embedded in the first groove 221, the first sliding block 223 is sleeved on the first lead screw 222, a connection between the first sliding block 223 and the first lead screw 222 is provided with a thread matching with the first lead screw 222, the second bracket 212 is fixed on the first sliding block 223, and the first driving mechanism 213 is configured to drive the first lead screw 222 to rotate, so that the first sliding block 223 and the second bracket 212 on the first sliding block 223 move according to the first direction.

Because the first sliding block 223 is embedded in the first groove 221, when the first lead screw 222 rotates, the first sliding block 223 will not rotate along with the first lead screw 222, but will translate along the direction of the first lead screw 222, where the direction of translation of the first lead screw 222 is the first direction.

In an exemplary embodiment, as shown in fig. 2, the second bracket 212 has a second groove 231, the second bracket 212 includes a second lead screw 232 and a second sliding block 233 embedded in the second groove 231, the second sliding block 233 is sleeved on the second lead screw 232, a connection between the second sliding block 233 and the second lead screw 232 is provided with a thread matching with the second lead screw 232, the dosimeter is fixed on the second sliding block 233, and the second driving mechanism 214 is configured to drive the second lead screw 232 to rotate, so that the second sliding block 233 and the dosimeter on the second sliding block 233 move according to the second direction.

Since the second sliding block 233 is embedded in the second groove 231, when the second lead screw 232 rotates, the second sliding block 233 will not rotate along with the second lead screw 232, but will translate along the direction of the second lead screw 232, i.e. the second direction of the second lead screw 232. In the bi-directional translation module 210, the relative position relationship between the first lead screw 222 and the first lead screw 233 is a vertical relationship.

The first driving mechanism 213 and the second driving mechanism 214 may employ 28 motors. The first drive mechanism 213 and the second drive mechanism 214 are actuators that convert received electrical pulses into angular displacements. When receiving a pulse signal, the first driving mechanism 213 (or the second driving mechanism 214) drives the stepping motor to rotate by a fixed angle in a set direction, and the rotation thereof is performed step by the fixed angle.

The stroke of the first driving mechanism 213 driving the first sliding block 223 may be 100mm, and the stroke of the second driving mechanism 214 driving the second sliding block 233 may be 80 mm. The precision of the first slider 223 and the second slider 233 may be 0.05 mm. The first driving mechanism 213 and the first lead screw 222 are combined to effectively ensure high accuracy of the first sliding block 223 and the second support 212 on the first sliding block 223 in translation in the first direction. At the same time, the high degree of accuracy of the translation of the second support 212 in the first direction can be used to move the dosimeter on the second support to a high degree of accuracy in the first direction, since the dosimeter is fixed to the second slide 233 of the second support 212. The second drive structure 214 in combination with the second lead screw 232 ensures a high degree of accuracy in the translation of the second slide 233 and hence the dosimeter on the second slide 233 in the second direction.

In another exemplary embodiment of the present invention, the first support may include a first electrical connection rod (not shown), one end of the first electrical connection rod is connected to the first driving mechanism, the second support is fixed to the other end of the first electrical connection rod, and the first driving mechanism is configured to drive the first electrical connection rod to move according to the first direction, so that the first electrical connection rod drives the second support to move according to the first direction. The second support may comprise a second electrical linkage (not shown) having one end connected to the second drive mechanism to move the dosimeter in the second direction, the dosimeter being secured to the other end of the second electrical linkage, the second drive mechanism being arranged to drive the second electrical linkage to move in the second direction, such that the second electrical linkage drives the dosimeter to move in the second direction.

Fig. 3 is a schematic diagram of a dose rate measurement device according to another exemplary embodiment of the present invention. As shown in fig. 3, the embodiment of the present invention is different from the embodiment of fig. 2 in that the dose rate measuring device of the embodiment of the present invention further includes a collimator 311 and a magnetic base 312. The magnetic base 312 is used to attach the bi-directional translation module 210 to the collimator 311. The dosimeter 314 may be fixed to the second slide block 233 by a clip 313. The magnetic base 312 may have a magnetic-up switch, and when the magnetic-up switch is set to an "OFF" state, the magnetic base 312 is in a demagnetized state. When the upper magnetic switch is set to the "ON" state, the magnetic base 312 is in the upper magnetic state. The mode that adopts the magnetic force seat can be convenient for adsorb two-way translation module 210 on the collimater, improves the maneuverability of installation dismantlement. The utility model discloses dose rate measuring device occupies smallly, through on the magnetic base adsorbablely is fixed in the collimater, can avoid among the correlation technique because the defect that can't be applicable to the narrow and small space in scene that longmen module is bulky leads to realizes dismantling the simplification of operation.

According to the utility model discloses embodiment provides a dose rate measuring device, dosimeter set up on the second support in the two-way translation module. Because the first driving mechanism can drive the second support on the first support to move according to the first direction, the dosimeter can be driven to move along with the second support according to the first direction, and meanwhile, the dosimeter can be movably arranged on the second support in the bidirectional translation module, and the second driving mechanism can drive the dosimeter on the second support to move according to the second direction perpendicular to the first direction, so that the dosimeter can be driven to move in the first direction and the second direction, and further the first support and the second support are driven respectively based on the first driving mechanism and the second driving mechanism, so that the dosimeter can be driven to measure and obtain dosage rates at different positions quickly and accurately in the translation process, manpower and material resources are saved, the operation process is simplified, and the measurement precision is improved.

Fig. 4 is a schematic diagram of a dose rate measurement device according to another exemplary embodiment of the present invention. As shown in fig. 4, the embodiment of the present invention differs from the embodiment of fig. 2 and 3 in that the dose rate measuring device of the embodiment of the present invention further includes an electric cabinet 410 and a human-machine interface 420.

The electric cabinet 410 may be composed of a main control board, a switching power supply, a reset button, an emergency stop button, a serial port and other components. The main control board can be STM32F407 or Cortex^TMThe circuit board with the core chip being an STM32F4 series high-performance microcontroller with the M4 as the kernel can perform complex calculation and control, and the main control board can control the angular displacement by controlling the number of pulses, so that the aim of accurate positioning is fulfilled; meanwhile, the rotating speed and the rotating acceleration of the motors of the first driving mechanism and the second driving mechanism can be controlled by controlling the pulse frequency, so that the purposes of speed regulation and positioning are achieved. Meanwhile, the main control board can also process some logic relations (such as the logic relations shown in fig. 5 or fig. 7 or fig. 9 in the present invention).

The main control board generates electrical pulses for transmission to the first drive mechanism 213 and the second drive mechanism 214.

Switching power supply: 220V alternating current is input, 24V is output, and power is supplied to all components.

A reset button: the reset switch of the system is used when the system is started or after the emergency stop is relieved.

An emergency stop button: in case of emergency, the button is pressed, the program is stopped, and the equipment stops running.

Serial port: the 232 serial port is connected to a dosimeter 314 (e.g., a Unidos dosimeter) for reading the dose rate measured by the dosimeter 314.

The human-machine interface 420 may be, for example, a touch screen or a smart display screen for displaying and inputting/outputting some information. The buttons are saved, and the display is more visual. Schematic diagrams of human-machine interfaces can be shown in fig. 6 and 8, for example.

It should be clearly understood that the present invention describes how to form and use particular examples, but the principles of the present invention are not limited to any details of these examples. Rather, these principles can be applied to many other embodiments based on the teachings of the present disclosure.

As shown in fig. 5, the dose rate measuring method according to the embodiment of the present invention may include the following steps.

In step S502, a displacement instruction for the bidirectional translation module is obtained, the displacement instruction includes a first direction displacement amount and a second direction displacement amount, the bidirectional translation module includes a first support, a second support, a first driving mechanism and a second driving mechanism, the second support is movably disposed on the first support, the first driving mechanism is configured to drive the second support on the first support to move according to the first direction, a dosimeter is movably disposed on the second support, and the second driving mechanism is configured to drive the dosimeter on the second support to move according to a second direction perpendicular to the first direction.

Fig. 6 schematically shows a schematic view of a human-machine interface of a dose rate measurement method in a manual mode according to an embodiment of the present invention. As shown in fig. 6, the displacement instruction may be obtained, for example, by a user operating the

controls

610, 620, 630, 640 in fig. 6. For example, the amount of the second direction displacement in the second direction (assuming that the second direction is parallel to the Y-axis direction and the first direction is parallel to the X-axis direction) is determined according to the length of the user's click on the control 610 and/or 620. The control 610 may, for example, receive a displacement amount for a positive Y-axis direction, and the control 620 may, for example, receive a displacement amount for a negative Y-axis direction. A first amount of directional displacement in a first direction is determined based on a user's click duration on controls 630 and/or 640. Wherein, the control 630 can receive the displacement amount of the negative direction of the X axis, and the control 640 can receive the displacement amount of the positive direction of the X axis.

The "mode adjustment" in fig. 6 can be used to select the manual/automatic mode by the user, and the mode shown in fig. 6 is the manual mode. The speed adjustment may select a fast/slow second gear, and may adjust the speed of movement of the X/Y axis (i.e., the direction of translation of the first/second support) when the navigation key (i.e., controls 610, 620, 630, and 640) is pressed. The specific speed values of the fast gear and the slow gear of the speed can be determined according to a preset value.

The navigation key consists of four keys: x ← X →, Y ↓, and X ← X →. Pressing X ← and moving X axis to the left (toward the origin); press X →, X axis moves to the right (away from origin direction); pressing Y ↓, the Y axis moves upward (away from the origin direction), and pressing Y ↓, the Y axis moves downward (closer to the origin direction). X \ Y axis progress bar: and the progress bars respectively display X-axis coordinates and Y-axis coordinates, and the specific coordinates are displayed beside the progress bars in mm. The method comprises the following operation steps: the maximum point of the dose rate is found manually by selecting the speed mode in the manual mode and pressing four navigation keys. The origin may be the point corresponding to the leftmost X-axis and the lowest Y-axis.

The two-way translation module of the embodiment of the present invention can refer to the descriptions of the embodiments shown in fig. 2, fig. 3, and fig. 4, which are not repeated herein.

In step S504, the first driving mechanism is controlled according to the first direction displacement amount, so that the first driving mechanism drives the second support on the first support to perform translation in the first direction by the first direction displacement amount.

In the embodiment of the present invention, the main control board can generate the electric pulse signal according to the first direction displacement to control the first driving mechanism according to the electric pulse signal. The dosimeter is fixed on the second support, and when the first driving mechanism drives the second support on the first support to translate in the first direction, the dosimeter is driven to translate in the first direction by the translation amount which is the first direction displacement amount.

In step S506, the second driving mechanism is controlled according to the second direction displacement amount, so that the second driving mechanism drives the dosimeter on the second support to perform translation in the second direction by the second direction displacement amount, so as to translate the dosimeter to the target position.

In the embodiment of the utility model provides an in, accessible main control board is according to the second direction displacement volume generation electric pulse signal in order to control second actuating mechanism according to this electric pulse signal. The dosimeter can translate to a target position by translating a first direction displacement amount in a first direction and translating a second direction displacement amount in a second direction.

In step S508, the obtained dose rate is measured at the target position by the dosimeter.

The embodiment of the utility model provides an in, can realize the affirmation to dosimeter measuring position through

user control

610, 620, 630 and 640, and then can realize that manual operation human-computer interface carries out the measurement of the dose rate of different positions to find the position of biggest dose rate.

As shown in fig. 7, a dose rate measuring method according to an embodiment of the present invention may include the following steps.

In step S702, a measurement instruction for the bidirectional translation module is obtained, where the measurement instruction includes a first direction start position, a first direction end position, a second direction start position, and a second direction end position, the bidirectional translation module includes a first support, a second support, a first driving mechanism, and a second driving mechanism, the second support is movably disposed on the first support, the first driving mechanism is configured to drive the second support on the first support to move according to the first direction, a dosimeter is movably disposed on the second support, and the second driving mechanism is configured to drive the dosimeter on the second support to move according to a second direction perpendicular to the first direction.

Fig. 8 schematically shows a schematic diagram of a human-machine interface of a dose rate measurement method in an automatic mode according to an embodiment of the present invention. As shown in fig. 8, the measurement instruction may be obtained, for example, by a user's input operation on the controls 810, 820, 830, 840, and 860 of fig. 8. For example, a first direction starting position (e.g., 30mm in fig. 8) is determined according to the input information of the user on the control 810, a first direction ending position (e.g., 60mm in fig. 8) is determined according to the input information of the user on the control 820, a second direction starting position (e.g., 30mm in fig. 8) is determined according to the input information of the control 830, a second direction ending position (e.g., 60mm in fig. 8, wherein the second direction is assumed to be parallel to the Y-axis direction, and the first direction is assumed to be parallel to the X-axis direction) is determined according to the input information of the control 840, and a measurement instruction is generated according to the clicking operation of the user on the "start" button of the control 860.

The "mode adjustment" in fig. 8 may select the manual/automatic mode, and the mode shown in fig. 8 is the automatic mode.

A start button: when a user presses and starts, X \ Y starts to acquire measurement data of the dose rate according to the fact that some preset parameters reach the starting point (namely the position corresponding to the starting position in the first direction and the starting position in the second direction).

Stopping: pressing stops, the shaft stops moving at X, Y, and the serial port stops collecting data.

Speed: the speed of the X \ Y axis is set in mm/s and can be set to 5mm/s by default.

Acceleration is set to be 10mm/s ^2 by default, wherein the acceleration of the X/Y axis is set to be in a unit of mm/s ^ 2.

Deceleration is set to be 10mm/s 2 by default, wherein the deceleration of the X \ Y axis is set in mm/s 2. The embodiment of the utility model provides an acceleration and deceleration that set up can be used to reset, fix a position when the initial point, and all the other first actuating mechanism in every moment and second actuating mechanism can carry out translation at the uniform velocity according to the speed drive X axle that sets up and Y axle.

Range of motion

X-axis start (i.e., first direction start position): and (4) starting point coordinates of an X axis, moving to the point in an automatic mode, and starting to acquire the dose rate.

X-axis end point (i.e., first direction end position): and (4) stopping moving after the X-axis terminal point coordinate reaches the point, and stopping collecting the dose rate.

Y-axis start (i.e., second direction start position): and (4) starting point coordinates of the Y axis, moving the point in the automatic mode, and starting to acquire the dose rate.

Y-axis end point (i.e., second direction end position): and stopping the motion after the terminal point coordinate of the Y axis reaches the point, and stopping collecting the dose rate.

X \ Y axis progress bar: and the progress bars respectively display X-axis coordinates and Y-axis coordinates, and the specific coordinates are displayed beside the progress bars in mm.

The method comprises the following operation steps: the serial port line of the dosimeter is connected, the motion range, namely the coordinates of the starting point and the end point of the X/Y axis, is preset, and the speed, the acceleration, the deceleration and the like of the X/Y axis are set. After a start key is pressed, the XY axis is quickly positioned to a starting point by using T-type acceleration and deceleration, then the maximum dosage rate point is automatically searched and recorded between the starting point and the end point, and finally the maximum dosage rate point is returned.

In step S704, the second drive mechanism is controlled in accordance with the second orientation starting position so that the second drive mechanism drives the dosimeter on the second support to translate in the second direction to the second orientation starting position.

The embodiment of the present invention provides an embodiment, can confirm the initial position of dosimeter in the second direction at first to according to this initial position and the second direction home position confirm the second direction translation volume, with through the main control board according to the second direction displacement volume generation electric pulse signal and according to this electric pulse signal control second actuating mechanism, so that the dosimeter on the second support of second actuating mechanism drive translates to the second direction home position in the second direction.

In step S706, the first driving mechanism is controlled according to the first direction starting position and the first direction ending position, so that the first driving mechanism drives the second support on the first support to translate from the first direction starting position to the first direction ending position in the first direction, and the first dose rate at each first direction sampling position is obtained through dosimeter sampling during the translation.

In the embodiment of the present invention, the main control board can generate the electric pulse signal to control the first driving mechanism according to the first direction starting position and the first direction ending position. The translation of the second support on the first support in the first direction may be performed at a constant speed according to the input information of the speed control in fig. 8. The dosimeter can perform measurement sampling of dose rate according to a preset sampling interval in the process of uniform-speed translation in the first direction, and first dose rate at sampling positions in each first direction is obtained.

In step S708, the first direction sample position of the largest first dose rate is determined as the first direction target position.

The embodiment of the utility model provides an in, can sort each first direction sampling position according to first dose rate to obtain the first direction sampling position of the biggest first dose rate.

In step S710, the first driving mechanism is controlled according to the first direction target position, so that the first driving mechanism drives the second support on the first support to translate in the first direction to the first direction target position.

In step S712, the second driving mechanism is controlled according to the second direction target position, so that the second driving mechanism drives the dosimeter on the second support to translate from the second direction start position to the second direction end position in the second direction, and the second dose rate at each second direction sampling position is obtained by sampling the dosimeter during the translation.

The embodiment of the utility model provides an in, accessible main control board generates the first actuating mechanism of electric pulse signal control according to second direction initial position and second direction termination point according to accessible main control board. The translation of the dosimeter on the second support in the second direction may be performed at a uniform speed according to the input information of the speed control in fig. 8. The dosimeter can perform measurement sampling of the dose rate according to a preset sampling interval in the process of uniform-speed translation in the second direction, and second dose rates at sampling positions in the second direction are obtained.

In step S714, the second direction sampling position of the maximum second dose rate is determined as the second direction target position, and the maximum second dose rate is determined as the target dose rate.

The embodiment of the utility model provides an in, can sort each second direction sampling position according to the second dose rate to obtain the second direction sampling position of the biggest second dose rate.

In step S716, the target dose rate, the first direction target position, and the second direction target position are transmitted in response to the measurement instruction.

In the embodiment of the present invention, the first driving mechanism can be further controlled according to the first direction target position, so that the first driving mechanism drives the second support on the first support to translate to the first direction target position in the first direction; and controlling the second drive mechanism in accordance with the second orientation target position such that the second drive mechanism drives the dosimeter on the second support to translate in the second direction to the second orientation target position.

FIG. 9 is a flowchart illustrating a method of dose rate measurement according to another exemplary embodiment. As shown in fig. 9, the dose rate measuring method according to the embodiment of the present invention may include: fixing a mechanical mechanism in the measurement area; connecting the bidirectional translation module cable; manually powering on; loading a starting picture on a human-computer interface; waiting for a reset instruction; resetting; the X axis returns to the original point, and the Y axis returns to the original point; display reset; whether the reset is successful; if the failure of resetting occurs, prompting to check an XY axis; if the reset is successful, selecting a mode: manually or automatically.

If the mode is the manual mode, then: setting a speed gear; and pressing an XY navigation key to manually find the maximum dosage rate and ending the process.

If the mode is the automatic mode, then: connecting the serial port lines; setting speed, acceleration and deceleration; setting X, Y the range of motion of the shaft; starting; is the serial port judged to receive data? If the serial port does not receive the data, reporting a communication fault, stopping running and checking the connection of the serial port; if the serial port receives data, then determine whether the serial port data is 0? If the serial port data is 0, reporting no dose rate, stopping running and checking the running of the accelerator; if the serial port data is not 0, the X axis continues to operate, and the serial port acquires data; judging the maximum dose rate point on the X axis, and returning to the maximum point (namely the target position in the first direction) of the X axis; the Y axis continues to operate, and a serial port collects data; judging the maximum dose rate point on the Y axis, and returning to the maximum point (namely the target position in the second direction) of the Y axis; and (6) ending.

The utility model discloses dose rate measurement method can practice thrift the human cost, only needs 1 people to connect the line after, selects the manual mode and artificially finds the biggest point of dose rate; or selecting an automatic mode, pressing a start key to automatically calculate the maximum value of measurement after the hardware part is connected with the dosage rate, and recording the position. The efficiency and the accuracy of finding the dosage rate are improved, and the repeated positioning precision is 0.05 mm. The adsorption type fixing mode is suitable for various products, and the installation and the disassembly are very convenient. The device has the advantages of small volume, visual display, high detection efficiency, powerful functions, low cost and the like.

Those skilled in the art will appreciate that all or part of the steps implementing the above embodiments are implemented as computer programs executed by a CPU. When the computer program is executed by the CPU, the above-described functions defined by the above-described methods provided by the present invention are performed. The program may be stored in a computer readable storage medium, which may be a read-only memory, a magnetic or optical disk, or the like.

Furthermore, it should be noted that the above-mentioned figures are only schematic illustrations of the processes involved in the method according to exemplary embodiments of the invention, and are not intended to be limiting. It will be readily understood that the processes shown in the above figures are not intended to indicate or limit the chronological order of the processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, e.g., in multiple modules.

An electronic device 1000 according to this embodiment of the invention is described below with reference to fig. 10. The electronic device 1000 shown in fig. 10 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present invention.

As shown in fig. 10, the electronic device 1000 is embodied in the form of a general purpose computing device. The components of the electronic device 1000 may include, but are not limited to: the at least one processing unit 1010, the at least one memory unit 1020, and a bus 1030 that couples various system components including the memory unit 1020 and the processing unit 1010.

Wherein the storage unit stores program code that is executable by the processing unit 1010 to cause the processing unit 1010 to perform steps according to various exemplary embodiments of the present invention as described in the "exemplary methods" section above in this specification. For example, the processing unit 1010 may perform the steps as shown in fig. 5 or fig. 7 or fig. 9.

The storage unit 1020 may include readable media in the form of volatile memory units, such as a random access memory unit (RAM)10201 and/or a cache memory unit 10202, and may further include a read-only memory unit (ROM) 10203.

The memory unit 1020 may also include a program/utility 10204 having a set (at least one) of program modules 10205, such program modules 10205 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which, or some combination thereof, may comprise an implementation of a network environment.

Bus 1030 may be any one or more of several types of bus structures including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, and a local bus using any of a variety of bus architectures.

The electronic device 1000 may also communicate with one or more external devices 1100 (e.g., keyboard, pointing device, bluetooth device, etc.), with one or more devices that enable a user to interact with the electronic device 1000, and/or with any devices (e.g., router, modem, etc.) that enable the electronic device 1000 to communicate with one or more other computing devices. Such communication may occur through input/output (I/O) interfaces 1050. Also, the electronic device 1000 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network such as the internet) via the network adapter 1060. As shown, the network adapter 1060 communicates with the other modules of the electronic device 1000 over the bus 1030. It should be appreciated that although not shown, other hardware and/or software modules may be used in conjunction with the electronic device 1000, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.

Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, or by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present invention can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a usb disk, a mobile hard disk, etc.) or on a network, and includes a plurality of instructions to enable a computing device (which can be a personal computer, a server, a terminal device, or a network device, etc.) to execute the method according to the embodiments of the present invention.

In an exemplary embodiment of the present invention, there is also provided a computer-readable storage medium having stored thereon a program product capable of implementing the above-described method of the present specification. In some possible embodiments, aspects of the invention may also be implemented in the form of a program product comprising program code means for causing a terminal device to carry out the steps according to various exemplary embodiments of the invention described in the above section "exemplary methods" of the present description, when said program product is run on the terminal device.

The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

A computer readable signal medium may include a propagated data signal with readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.

Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

Program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server. In the case of a remote computing device, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., through the internet using an internet service provider).

Furthermore, the above-described figures are merely schematic illustrations of processes involved in methods according to exemplary embodiments of the invention, and are not intended to be limiting. It will be readily understood that the processes shown in the above figures are not intended to indicate or limit the chronological order of the processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, e.g., in multiple modules.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

Claims

1. A dose rate measurement device, comprising:

a dosimeter;

the bidirectional translation module comprises a first support, a second support, a first driving mechanism and a second driving mechanism, wherein the second support is movably arranged on the first support, the first driving mechanism is used for driving the second support on the first support to move according to a first direction, the dosimeter is movably arranged on the second support, and the second driving mechanism is used for driving the dosimeter on the second support to move according to a second direction perpendicular to the first direction, so that the dosimeter can measure and obtain dosage rates at different positions.

2. The device as claimed in claim 1, wherein the first bracket has a first groove, the first bracket includes a first lead screw and a first sliding block embedded in the first groove, the first sliding block is sleeved on the first lead screw, a connection between the first sliding block and the first lead screw is provided with a thread matching with the first lead screw, the second bracket is fixed on the first sliding block, and the first driving mechanism is configured to drive the first lead screw to rotate, so that the first sliding block and the second bracket on the first sliding block move according to the first direction.

3. The apparatus of claim 1, wherein the first support comprises a first electrical connection rod, one end of the first electrical connection rod is connected to the first drive mechanism, the second support is secured to the other end of the first electrical connection rod, and the first drive mechanism is configured to drive the first electrical connection rod to move in the first direction so that the first electrical connection rod drives the second support to move in the first direction.

4. The apparatus of claim 1, wherein the second bracket has a second groove, the second bracket includes a second lead screw and a second sliding block embedded in the second groove, the second sliding block is sleeved on the second lead screw, a connection between the second sliding block and the second lead screw is provided with a thread matching with the second lead screw, the dosimeter is fixed on the second sliding block, and the second driving mechanism is configured to drive the second lead screw to rotate, so that the second sliding block and the dosimeter on the second sliding block move according to the second direction.

5. The apparatus of claim 4, wherein the dosimeter is secured to the second slider by a clip.

6. The apparatus of claim 1, wherein the dose rate measurement apparatus further comprises a collimator and a magnetic mount, the magnetic mount configured to attach the bi-directional translation module to the collimator.