Tube testing device, testing method, electronic device and storage medium

Abstract

The present invention discloses a testing device, a testing method, an electronic device and a storage medium for a tube. The testing device includes a first coil 7, a first magnetic component 6, a supporting device 5, a feedback device and a power source; the first coil 7 is fixed on a pole column 6-2 of the first magnetic component 6; the power source is electrically connected to the first coil 7; one end of the feedback device is fixedly connected to the supporting device 5, and the other end of the feedback device is arranged at a position where the test parameters of the test piece can be measured. The present invention can enable the power source to energize the first coil 7 to generate an electromagnetic force, and the electromagnetic force generates an acting force on the test piece, simulating the situation where the test piece and the CT gantry rotate together to generate a centripetal force. Through the feedback device, the test parameters of the test piece (such as the centripetal force in a specific direction and the deformation occurring in a specific direction) can be effectively measured for quantitative testing, thereby improving the testing efficiency and saving the testing cost.

Description

Technical Field

[0001] The present invention relates to the field of testing of X-ray tubes, and particularly to a testing device, a testing method, an electronic device and a storage medium for an X-ray tube. Background Art

[0002] With the development of modern medicine, there are increasing requirements for aspects such as the clarity, contrast, and X-ray dose of X-ray imaging. A high gantry rotation speed can, on the one hand, accelerate the patient scanning process and reduce the radiation dose received by the patient; on the other hand, it can shorten the radiation emission time and improve the service life of the X-ray tube.

[0003] The X-ray tube (such as a CT (Computed Tomography) X-ray tube) is installed on a gantry (such as a CT gantry) and rotates together with the gantry. During use, depending on the different scanning parts of the patient, it will withstand different gantry rotation speeds. For example, assuming the gantry rotation speed is 0.3 s / rad (seconds per revolution), a gravitational acceleration exceeding 30G will be generated, causing the bearing of the anode of the X-ray tube to receive a centripetal force exceeding 3000 N (Newtons). Therefore, during the design process of the X-ray tube, considering the requirements of the ultimate load and service life of the anode, it is necessary to conduct ultimate load and reliability tests on the bearing components of the anode.

[0004] Currently, during the manufacturing process of the X-ray tube, it is necessary to complete the manufacturing of the X-ray tube and only then test the ultimate load and reliability of the bearing components of the anode at different gantry rotation speeds during the overall machine test. As Figure 1 shown, the CT X-ray tube 12 is installed on the CT gantry 11, and the rotation of the CT gantry 11 that starts to rotate at a high speed is used to drive the rotation of the CT X-ray tube 12, thereby testing the CT X-ray tube 12. If at this time the bearing shows wear or jamming and other phenomena, all the previous processes of the X-ray tube manufacturing will be invalidated. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the defects of high testing cost and low testing efficiency when testing an X-ray tube in the prior art, and to provide a testing device, a testing method, an electronic device and a storage medium for an X-ray tube that can reduce the testing cost and improve the testing efficiency.

[0006] The present invention solves the above technical problems through the following technical solutions:

[0007] The first aspect of the present invention provides a testing device for an X-ray tube, the testing device including: a first coil 7, a first magnetic component 6, a support device 5, a feedback device and a power supply;

[0008] The first coil 7 is fixed on the pole column 6-2 of the first magnetic component 6;

[0009] The power supply is electrically connected to the first coil 7;

[0010] One end of the feedback device is fixedly connected to the support device 5, and the other end of the feedback device is arranged at a position where the test parameters of the test piece can be measured.

[0011] Optionally, the test device further includes a stator 20 and a rotor 22. The stator 20 and the rotor 22 are coaxial, and the power supply is electrically connected to the stator 20.

[0012] Optionally, the test device includes at least three first coils 7. Among them, at least three first coils 7 are distributed in three different quadrants of the same coordinate system, and when the number of first coils is three, the connection line between any two first coils 7 does not pass through the origin of the same coordinate system.

[0013] Optionally, the first magnetic component 6 is of an annular structure.

[0014] Optionally, the included angle formed by the connection lines between the centers of any two adjacent first coils 7 and the first magnetic component 6 is substantially equal.

[0015] Optionally, the feedback device includes a distance sensor 4. The distance sensor 4 is arranged along at least one of the X-axis direction, the Y-axis direction, and the Z-axis direction, and the distance sensor 4 is arranged at a position where the deformation of the test piece of the tube can be received.

[0016] Optionally, the feedback device includes a force sensor 3. The other end of the force sensor 3 is connected to the outer wall 6-1 of the first magnetic component 6.

[0017] Optionally, the test device further includes a fixing device 19. The fixing device 19 is arranged along the direction of the outer wall 6-1 of the first magnetic component 6, and there is a gap between the fixing device 19 and the outer wall of the first magnetic component 6;

[0018] The feedback device includes a plurality of force sensors 3. At least one of the plurality of force sensors 3 is fixed on one side of the fixing device 19 facing the outer wall 6-1 of the first magnetic component.

[0019] Optionally, the test device further includes a second coil 14, a second magnetic component 13, and a thrust disc 15. The second coil 14 is fixed on the second magnetic component 13. There is a gap between the second magnetic component 13 and the side wall 6-3 of the first magnetic component 6. There is a gap between the thrust disc 15 and the second magnetic component 13 and there is a gap between the thrust disc 15 and the side wall 6-3 of the first magnetic component 6;

[0020] The power supply is electrically connected to the second coil 14.

[0021] Optionally, the test device includes two second magnetic components 13 and at least two second coils 14. One of the two second magnetic components 13 and a part of the at least two second coils 14 form a first magnetic structure, and the other of the two second magnetic components 13 and another part of the at least two second coils 14 form a second magnetic structure;

[0022] The thrust disk 15 is arranged between the first magnetic structure and the second magnetic structure, and there are gaps between the thrust disk 15 and both the first magnetic structure and the second magnetic structure.

[0023] A second aspect of the present invention provides a method for testing an X-ray tube. The testing method is implemented based on the above-mentioned testing device for the X-ray tube. There are gaps between the test piece of the X-ray tube and the pole column 6-2 of the first magnetic component 6, and there is also a gap between the test piece and the first coil 7. The testing method includes:

[0024] Applying current to the first coil through a power supply to generate an electromagnetic force, and the electromagnetic force exerts a force on the test piece;

[0025] Detecting the force through a feedback device.

[0026] Optionally, when the feedback device is a distance sensor, the step of detecting the force through the feedback device includes:

[0027] Detecting the distance between the test piece and the distance sensor through the distance sensor;

[0028] Calculating the force based on the distance.

[0029] Optionally, the step of applying current to the first coil through a power supply to generate an electromagnetic force includes:

[0030] Controlling the power supply parameters to generate a force with a preset direction and a preset magnitude. The power supply parameters include the frequency of the alternating current, the magnitude of the alternating current, and / or the number of the first coils to which the current is applied.

[0031] Optionally, when the test device includes a stator and a rotor, before the step of applying current to the first coil through a power supply to generate an electromagnetic force, it further includes:

[0032] Applying current to the stator through a power supply to rotate the rotor, so as to drive the test piece to rotate.

[0033] A third aspect of the present invention provides an electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor. When the processor executes the computer program, the above-mentioned method for testing an X-ray tube is implemented.

[0034] A fourth aspect of the present invention provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the above-mentioned method for testing an X-ray tube is implemented.

[0035] The positive and progressive effects of the present invention are as follows: By electrically connecting the power supply to the first coil 7, the power supply can supply electricity to the first coil 7 to generate electromagnetic force. The direction of the electromagnetic force can be guided by the first magnetic component 6. Thus, when it is necessary to test the test piece, the electromagnetic force can generate a force on the test piece, simulating the situation where the test piece generates centripetal force due to co-rotating with the CT gantry during the actual test. And through the feedback device, the test parameters of the test piece (such as the centripetal force in a specific direction and the deformation occurring in a specific direction) can be effectively measured, so that the test piece can be tested quantitatively. The present invention can effectively generate a force on the test piece through the electromagnetic force, effectively simulating the test of the CT tube under real conditions. The present invention can separately test the components (i.e., the test piece) that need to be tested in the CT tube, without the need to test again during the whole machine test after the CT tube is assembled. Therefore, even if phenomena such as wear or jamming of the bearing occur during the test, it will not make the manufacturing process of the CT tube completely invalid, thereby saving the test cost and improving the test efficiency. In addition, the present invention does not need to install the CT tube on a large-sized CT gantry for testing, also saving the space cost of the test. Description of the Drawings

[0036] Figure 1 Schematic diagram of the positional relationship of the CT tube installed on the CT gantry.

[0037] Figure 2 Schematic diagram of the first structure of the test device for the tube in Embodiment 1 of the present invention.

[0038] Figure 3 Schematic diagram of the second structure of the test device for the tube in Embodiment 1 of the present invention.

[0039] Figure 4 Schematic diagram of the third structure of the test device for the tube in Embodiment 1 of the present invention.

[0040] Figure 5 Schematic diagram of the fourth structure of the test device for the tube in Embodiment 1 of the present invention.

[0041] Figure 6 Schematic diagram of the fifth structure of the test device for the tube in Embodiment 1 of the present invention.

[0042] Figure 7 Schematic diagram of the positional relationship between the test piece and the test device in Embodiment 1 of the present invention.

[0043] Figure 8 Flowchart of the test method for the tube in Embodiment 1 of the present invention.

[0044] Figure 9 Flowchart of step 102 in Embodiment 1 of the present invention.

[0045] Figure 10 This is the flowchart of the testing method for the tube in Embodiment 2 of the present invention.

[0046] Figure 11 This is the schematic diagram of one implementation of the first magnetic component in Embodiment 3 of the present invention.

[0047] Figure 12 This is the schematic diagram of another implementation of the first magnetic component in Embodiment 3 of the present invention.

[0048] Figure 13 This is the flowchart of the testing method for the tube in Embodiment 3 of the present invention.

[0049] Figure 14 This is the flowchart of the testing method for the tube in Embodiment 4 of the present invention.

[0050] Figure 15 This is the module schematic diagram of the electronic device in Embodiment 5 of the present invention. Detailed implementation manners

[0051] For better understanding of the following embodiments, the main reference numerals are described as follows first:

[0052] 11 CT gantry

[0053] 12 CT tube

[0054] 3 Force sensor

[0055] 4 Distance sensor

[0056] 5 Support device

[0057] 5-1 Base

[0058] 5-2 Support member

[0059] 5-3 Inclined plane member

[0060] 6 First magnetic component

[0061] 6-1 Outer wall of the first magnetic component

[0062] 6-2 Pole column of the first magnetic component

[0063] 6-3 Side wall of the first magnetic component

[0064] 7 First coil

[0065] 8 Target disk

[0066] 9 Connection disk

[0067] 13 Second magnetic component

[0068] 14 The second coil

[0069] 15 Thrust disc

[0070] 19 Fixing device

[0071] 20 Stator

[0072] 22 Rotor

[0073] The present invention will be further described below by way of embodiments, but the present invention is not limited to the scope of the following embodiments.

[0074] Embodiment 1

[0075] This embodiment discloses a testing device for a tube, as Figure 2 shown. The testing device includes: a first coil 7, a first magnetic component 6, a support device 5, a feedback device, and a power supply.

[0076] In this embodiment, the first magnetic component 6 is specifically an iron core. In other embodiments, the first magnetic component 6 can also be other magnetic structures.

[0077] Among them, the first coil 7 is fixed on the pole 6-2 of the first magnetic component 6. The power supply is electrically connected to the first coil 7. One end of the feedback device is fixedly connected to the support device 5, and the other end of the feedback device is arranged at a position where the test parameters of the test piece can be measured.

[0078] In this embodiment, the number and position of the first coil 7, as well as the shape and position of the first magnetic component 6, can be set according to the direction of the force received by the test piece to be tested as required.

[0079] In this embodiment, the shape of the support device 5 can also be selected according to requirements.

[0080] For example, as Figure 2 shown, in some specific embodiments, the support device 5 specifically includes a base 5-1 and a support member 5-2 perpendicular to the base.

[0081] For another example, as Figure 3 shown, in some specific embodiments, the support device 5 does not include the base 5-1 and only includes the support member 5-2 perpendicular to the ground.

[0082] In this embodiment, by electrically connecting the power supply to the first coil 7, the power supply can be energized to the first coil 7 to generate an electromagnetic force. The direction of the electromagnetic force can be guided by the first magnetic component 6. Thus, when it is necessary to test the test piece, the electromagnetic force can act on the test piece to simulate the situation where the test piece generates a centripetal force due to co-rotation with the CT gantry during the actual test. And through the feedback device, the test parameters of the test piece (such as the centripetal force in a specific direction and the deformation occurring in a specific direction) can be effectively measured, so that the test piece can be tested quantitatively.

[0083] This embodiment can test the components (i.e., test pieces) that need to be tested in the CT tube separately, without having to test them again during the whole machine test after the CT tube is assembled. Therefore, even if phenomena such as wear or jamming occur in the bearing during the test, it will not make all the manufacturing processes of the CT tube invalid, thus saving the test cost and improving the test efficiency. In addition, this embodiment does not need to install the CT tube on a large-sized CT gantry for testing, which also saves the space cost of the test.

[0084] In this embodiment, the feedback device has various implementation forms. Hereinafter, three specific implementation forms will be used to illustrate this embodiment:

[0085] Form 1: The feedback device includes a distance sensor 4, such as a turbine sensor. In this embodiment, the distance sensor 4 is arranged along at least one of the X-axis direction, Y-axis direction, and Z-axis direction. For the convenience of description in this embodiment, the center of the first magnetic component 6 is taken as the origin, the direction parallel to the ground, located in the coordinate system plane (in this embodiment, the plane parallel to the side wall 6-3 of the first magnetic component 6 is called the coordinate system plane) and passing through this origin is taken as the X-axis direction, the direction perpendicular to the ground, located in the coordinate system plane and passing through this origin is taken as the Y-axis direction, and the direction perpendicular to the plane formed by the X-axis and Y-axis and passing through this origin is taken as the Z-axis direction to construct a space coordinate system. It should be understood that in other embodiments, other X-axis, Y-axis, and Z-axis directions and origins can also be used to construct the coordinate system.

[0086] In this embodiment, the distance sensor 4 is arranged at the deformation part of the test piece of the tube that can receive the ball. It should be understood that this embodiment preferably includes a structure with distance sensors 4 along the X-axis direction, Y-axis direction, and Z-axis direction simultaneously to test the forces in all directions.

[0087] In this form, the test parameters include the test distance. Specifically, the relationship between the distance and the magnitude of the force can be calibrated in advance. During the actual test, the magnitude of the corresponding force can be obtained according to the test distance detected by the distance sensor 4.

[0088] Form 2: The feedback device is the force sensor 3, and the other end of the force sensor 3 is connected to the outer wall 6-1 of the first magnetic component 6.

[0089] In this form, the test parameters include the magnitude of the test force. Since the force sensor 3 is connected to the outer wall 6-1 of the first magnetic component 6, it can directly detect the acting force of the electromagnetic force of the first coil 7 provided on the first magnetic component 6 on the test piece.

[0090] Among them, the number and position of the force sensors 3 can be set according to actual needs:

[0091] For example, referring to Figure 2 , in a specific embodiment, a force sensor 3 is provided on the base 5-1, and the forces in the up and down directions can be tested through the force sensor 3;

[0092] Another example, referring to Figure 4 , in a specific embodiment, the support device 5 includes two inclined plane components 5-3, and a force sensor 3 is provided on each inclined plane component 5-3. By setting two force sensors 3, the forces received by the first magnetic component 6 in multiple directions on the ground can be tested;

[0093] For example, referring to Figure 5 , in a specific embodiment, the test device further includes a fixing device 19. The fixing device 19 is arranged along the direction of the outer wall 6-1 of the first magnetic component 6 and there is a gap between the fixing device 19 and the outer wall of the first magnetic component 6 (that is, the fixing device 19 is not connected to the outer wall 6-1 of the first magnetic component 6). At least one of the multiple force sensors 3 is fixed on the side of the fixing device 19 facing the outer wall 6-1 of the first magnetic component. In this way, the forces in multiple directions can be tested.

[0094] It should be understood that if it is necessary to test the forces received in all directions of the circumference, then at least 3 force sensors 3 are included. The at least 3 force sensors 3 are distributed in three different quadrants of the same coordinate system, and the connection lines between any two of the 3 force sensors 3 do not pass through the origin of the same coordinate system. In this embodiment, the center of the first magnetic component 6 is used as the origin, the direction parallel to the ground and passing through the origin in the coordinate system plane (in this embodiment, the plane parallel to the side wall 6-3 of the first magnetic component 6 is called the coordinate system plane) is used as the direction of the X axis, and the direction perpendicular to the ground and passing through the origin in the coordinate system plane is used as the direction of the Y axis. A plane coordinate system is established with this origin, this X-axis direction and this Y-axis direction. It should be understood that in other embodiments, the coordinate system can also be established according to actual needs.

[0095] Such as Figure 5, specifically, the fixing device 19 is provided with four force sensors 3, and the forces received in all directions of the circumference can be measured through the four force sensors 3.

[0096] Form three: The feedback device includes both a distance sensor 4 and a force sensor 3. Among them, the implementation form and specific position of the distance sensor 4 can refer to the corresponding method in form one, and the implementation form and specific position of the force sensor 3 can refer to the corresponding method in form two, which will not be elaborated here.

[0097] In this way, the distance sensor 4 and the force sensor 3 can jointly feedback the test parameters, and the two can complement each other. In special cases, such as when the distance sensor 4 or the force sensor 3 fails, the tube can still be effectively tested.

[0098] In a preferred embodiment, referring to Figure 6 , the test device further includes a second coil 14, a second magnetic component 13, and a thrust disc 15. The second coil 14 is fixed on the second magnetic component 13. There is a gap between the second magnetic component 13 and the side wall 6-3 of the first magnetic component (that is, the second magnetic component 13 is not connected to the side wall 6-3 of the first magnetic component), and there is a gap between the thrust disc 15 and the second magnetic component 13 (that is, the thrust disc 15 is not connected to the second magnetic component 13) and there is a gap between the thrust disc 15 and the side wall 6-3 of the first magnetic component (that is, the thrust disc 15 is not connected to the side wall 6-3 of the first magnetic component). The power supply is electrically connected to the second coil 14.

[0099] In this embodiment, by providing the second coil 14, the second magnetic component 13, and the thrust disc 15, when the power supply energizes the second coil 14, an electromagnetic force can be generated in the Z-axis direction. Through the electromagnetic force, a thrust is generated on the thrust disc 15, and through this thrust, a force is generated on the test piece in the Z-axis direction, thereby simulating the situation where the CT gantry tilts during the process of testing the test piece. Thus, the application range of the test device in this embodiment is wider.

[0100] In a specific implementation manner, the test device in this embodiment includes two second magnetic components 13 and at least two second coils 14. One of the two second magnetic components 13 and a part of the at least two second coils 14 form a first magnetic structure, and the other of the two second magnetic components 13 and the other part of the at least two second coils 14 form a second magnetic structure.

[0101] The thrust disc 15 is arranged between the first magnetic structure and the second magnetic structure, and there are gaps with both the first magnetic structure and the second magnetic structure (that is, the thrust disc 15 is not connected to the first magnetic structure, and the thrust disc 15 is not connected to the second magnetic structure).

[0102] In this embodiment, a first magnetic structure and a second magnetic structure are respectively arranged on both sides of the thrust disk. When the power supply energizes the second coil 14, electromagnetic forces can be generated to exert thrusts on the thrust disk in both the positive and negative directions of the Z-axis, and thus thrusts can be generated on the test piece in both the positive and negative directions of the Z-axis. Therefore, during the process of simulating the test of the test piece, the situation where the CT gantry tilts in different directions can be simulated. Thus, the application range of the test device in this embodiment is further broadened.

[0103] This embodiment also provides a method for testing an X-ray tube, which is implemented by using the test device in this embodiment.

[0104] Among them, there is a gap between the test piece of the X-ray tube and the pole column 6-2 of the first magnetic component 6 (that is, the test piece of the X-ray tube is not connected to the pole column 6-2 of the first magnetic component 6) and there is a gap between the test piece of the X-ray tube and the first coil 7 (that is, the test piece of the X-ray tube is not connected to the first coil 7).

[0105] Reference Figure 7 , in this embodiment, the test piece includes the target disk 8, the connecting disk 9 and the bearing of the CT X-ray tube to be tested. Among them, the target disk 8 is connected to the connecting disk 9 by screws or other connection means, the connecting disk is connected to the flange by screws or other connection means, the flange is connected to the bearing sleeve by screws or other connection means, one end of the bearing sleeve is connected to the bearing, the other end of the bearing is connected to the core shaft, the bearing is pressed onto the core shaft support through the core shaft or the bearing is connected to the core shaft support by screws, and then the core shaft is fixed to the support device 5 by screws or other connection means.

[0106] In another embodiment, the target disk 8 and the bearing of the CT X-ray tube to be tested can also be used as the test piece. In this case, the test device in this embodiment further includes a simulated connecting disk for simulating the connecting disk 9.

[0107] In other embodiments, the bearing of the CT X-ray tube can also be used as the test piece. In this case, the test device in this embodiment further includes a simulated target disk for simulating the target disk 8 and a simulated connecting disk for simulating the connecting disk 9.

[0108] As Figure 8 shown, the test method in this embodiment includes:

[0109] Step 101: Energize the first coil through a power supply to generate an electromagnetic force, and the electromagnetic force exerts a force on the test piece;

[0110] Step 102: Detect the force through a feedback device.

[0111] In this embodiment, passing an electric current through the first coil by a power supply can generate an electromagnetic force. The direction of the electromagnetic force can be guided by the first magnetic component. The electromagnetic force can exert a force on the test piece, thereby causing the test piece to deform. The force can be detected by a feedback device. Through the test method in this embodiment, the scenario of testing the test piece through a CT gantry can be effectively simulated, and a force in a specific direction in the actual working condition can be simulated to test the test piece.

[0112] In a specific implementation manner, if the feedback device includes a distance sensor 4, as Figure 9 shown, step 102 specifically includes:

[0113] Step 1021: Detect the distance between the test piece and the distance sensor by the distance sensor;

[0114] Step 1022: Calculate the acting force according to the distance.

[0115] In this embodiment, the relationship between the distance and the magnitude of the force can be calibrated in advance. During the process of testing the test piece, the distance between the test piece and the distance sensor itself can be detected by the distance sensor. According to this distance and the pre-calibrated relationship between the distance and the magnitude of the force, the corresponding force can be obtained, and thus the force received by the test piece can be effectively detected.

[0116] Embodiment 2

[0117] This embodiment provides a test device for a tube. This embodiment is based on Embodiment 1. As Figure 6 shown, the test device further includes a stator 20 and a rotor 22. The stator 20 and the rotor 22 are coaxial, and the power supply is electrically connected to the stator 20.

[0118] In this embodiment, when the power supply supplies power to the stator 20, a rotating magnetic field is generated, thereby causing the rotor to rotate.

[0119] In this embodiment, when it is necessary to test the test piece, the test piece is connected to the rotor, and the rotor drives the test piece to rotate. Thus, the force in a specific direction when the test piece rotates by itself can be simulated.

[0120] This embodiment also provides a test method for a tube. This test method is implemented by using the test device in this embodiment. In this embodiment, the test piece is connected to the rotor. Specifically, a flange is used as the connection hub, and the flange is respectively connected to the bearing sleeve in the test piece and the rotor by screws or other connection methods, so that the test piece and the rotor can rotate synchronously.

[0121] It should be understood that the implementation manner of the test piece can refer to the implementation manner of the test piece in Embodiment 1, and will not be elaborated here. As Figure 10 shown, the test method includes:

[0122] Step 201: Energize the first coil through a power supply to generate an electromagnetic force, and the electromagnetic force exerts a force on the test piece.

[0123] Step 202: Energize the stator through a power supply to rotate the rotor, so as to drive the test piece to rotate.

[0124] Among them, Step 202 can also be executed before Step 201.

[0125] Step 203: Detect the force through a feedback device.

[0126] In this embodiment, the stator is energized through a power supply, so that the rotor drives the test piece to rotate, causing the test piece to rotate by itself. Energizing the first coil through a power supply can generate an electromagnetic force. The direction of the electromagnetic force can be guided through the first magnetic component. The electromagnetic force can exert a force on the test piece. Combining the scenario where the test piece rotates by itself, the force can be detected through the feedback device. Through the test method in this embodiment, it is possible to effectively simulate the test of the force in a specific direction on the test piece under the condition that the test piece rotates by itself.

[0127] In a specific implementation manner, if the feedback device includes a distance sensor 4, the implementation manner of Step 203 can refer to the implementation manner and corresponding technical effects of Steps 1021 and 1022 in Embodiment 1, and will not be elaborated here.

[0128] Embodiment 3

[0129] This embodiment provides a test device for a tube. Based on Embodiment 1, further, the test device includes at least three first coils 7, where at least three first coils 7 are distributed in three different quadrants of the same coordinate system, and the connection line between any two first coils 7 does not pass through the origin of the same coordinate system.

[0130] The following takes a specific scenario as an example to illustrate the positions of at least three first coils 7 for easy understanding. A plane coordinate system is established in a plane parallel to the side wall 6-3 of the first magnetic component 6 (hereinafter referred to as the coordinate system plane), as Figure 2 shown. The center of the first magnetic component 6 is used as the origin, the direction passing through the center and parallel to the ground is used as the direction of the X-axis, and the direction passing through the center and perpendicular to the ground is used as the direction of the Y-axis. First, at least three first coils 7 are distributed in at least three of the first quadrant, second quadrant, third quadrant, and fourth quadrant of the plane coordinate system; second, when the number of first coils is three, the connection lines of any two first coils 7 do not pass through the origin of the plane coordinate system at the same time.

[0131] In this embodiment, by providing at least three first coils 7 and defining the positions of at least the first coils 7, the direction of the electromagnetic force generated can be controlled by energizing different first coils 7, and then a corresponding-direction acting force can be applied to the test piece through the electromagnetic force to simulate the acting forces received by the test piece under various rotation modes of the CT gantry.

[0132] In this embodiment, the shape of the first magnetic member 6 can be set according to actual requirements. For example, Figure 2 as shown, the first magnetic member 6 can be annular; as Figure 11 shown, the first magnetic member 6 can be U-shaped; as Figure 12 shown, the first magnetic member 6 can also be C-shaped. It should be understood that the shape of the first magnetic member 6 can be set according to the actual situation, as long as it is ensured that when at least three first coils 7 are provided on the first magnetic member 6, they can be distributed in three different quadrants of the same coordinate system, and the connection line between any two first coils 7 does not pass through the origin of the same coordinate system. In this way, when the first coils 7 are installed on the first magnetic member 6, forces can be generated in all directions of the circumference.

[0133] In this embodiment, it is preferably to set the first magnetic member 6 as an annular structure. By setting the first magnetic member 6 as an annular structure, this structure can be integrally formed, reducing the complexity of the processing technology and facilitating the installation process.

[0134] In a preferred implementation manner, the angles formed by the connection lines between the centers of any two adjacent first coils 7 and the first magnetic member 6 are substantially equal, so that at least three first coils 7 can be evenly distributed on the first magnetic member 6. For example, in the case where at least three first coils 7 are distributed on the circumference of the same circle, when three first coils 7 are provided, the angle formed by the connection lines between the centers of any two adjacent first coils 7 and the first magnetic member 6 is substantially 120 degrees; when four first coils 7 are provided, the angle formed by the connection lines between the centers of any two adjacent first coils 7 and the first magnetic member 6 is substantially 90 degrees.

[0135] In this embodiment, with this structure, it is convenient to calculate the test parameters subsequently and simplify the calculation process. Specifically, when the power supply energizes the first coil 7, the electromagnetic force will exert forces on the test piece in multiple directions. The forces generated in multiple directions will be decomposed first and then summarized for calculation on the X-axis and Y-axis. If the first coils 7 are evenly distributed (that is, the angles formed by the lines connecting the centers of any two adjacent first coils 7 and the first magnetic component 6 are basically equal), some of the generated forces can be cancelled in the positive and negative directions of the X-axis, and in the positive and negative directions of the Y-axis. Therefore, the calculation process can be simplified and the calculation efficiency can be improved. On the contrary, if the first coils 7 are unevenly distributed, the generated forces cannot be cancelled and need to be calculated one by one.

[0136] This embodiment also provides a method for testing a tube, which is implemented by using the testing device in this embodiment. In this embodiment, the connection manner between the test piece and the testing device and the implementation manner of the test piece can refer to the corresponding manner in Embodiment 1 and will not be elaborated here. As Figure 13 shown, the testing method includes:

[0137] Step 301, control the energization parameters to generate a force with a preset direction and a preset magnitude.

[0138] Among them, the energization parameters include the frequency of the alternating current, the magnitude of the alternating current, and / or the number of the first coils energized;

[0139] Step 302, detect the force through a feedback device.

[0140] In this embodiment, by controlling the energization parameters, a force with a preset magnitude can be generated in each direction of the circumference. By periodically controlling the direction and magnitude of the force, the situation where the test piece rotates around the center of the CT gantry on the CT gantry can be simulated. By detecting the forces in each direction through the feedback device, the direction and magnitude of the force can be further accurately controlled according to the feedback results.

[0141] In a specific implementation manner, if the feedback device includes a distance sensor 4, the implementation manner of Step 302 can refer to the implementation manner and the corresponding technical effects of Step 1021 and Step 1022 in Embodiment 1 and will not be elaborated here.

[0142] Embodiment 4

[0143] This embodiment provides a testing device for a tube. This embodiment is based on Embodiment 2. Further, the testing device includes at least three first coils 7. The positions where the at least three first coils 7 are arranged and the corresponding technical effects can all refer to Embodiment 3 and will not be elaborated here.

[0144] This embodiment also provides a method for testing an X-ray tube, which is implemented by using the testing device in this embodiment. In this embodiment, the test piece is connected to the rotor, and the specific connection method can refer to the corresponding method in Embodiment 2, which will not be elaborated here.

[0145] It should be understood that the implementation method of the test piece can also refer to the implementation method of the test piece in Embodiment 2, which will not be elaborated here. As Figure 14 shown, the testing method includes:

[0146] Step 401: Control the energization parameters to generate a force with a preset direction and a preset magnitude.

[0147] Among them, the energization parameters include the frequency of the alternating current, the magnitude of the alternating current, and / or the number of the first coils energized;

[0148] Step 402: Energize the stator through a power supply to rotate the rotor, so as to drive the test piece to rotate.

[0149] Among them, Step 402 can also be executed before Step 401.

[0150] Step 403: Detect the force through a feedback device.

[0151] In this embodiment, by controlling the energization parameters, a force with a preset magnitude can be generated in each direction of the circumference. By periodically controlling the direction and magnitude of the force, the situation where the test piece rotates around the center of the CT gantry on the CT gantry can be simulated. By supplying power to the rotor through the power supply, the rotation of the test piece itself can also be controlled. Therefore, it is not necessary to drive the CT X-ray tube to rotate through the CT gantry during the whole machine test after the CT X-ray tube is assembled. Therefore, even if the bearing wears or jams during the test, the manufacturing process of the CT X-ray tube will not be completely invalidated, thereby saving the test cost and improving the test efficiency. Through the method in this embodiment, the centripetal force received by the test piece when it rotates by itself and is driven by the rotation of the CT gantry can be simulated. By detecting the forces in each direction through the feedback device, the direction and magnitude of the force can be further accurately controlled according to the feedback results to more realistically simulate the actual test situation.

[0152] In a specific implementation manner, if the feedback device includes a distance sensor 4, the implementation method of Step 403 can refer to the implementation methods and corresponding technical effects of Step 1021 and Step 1022 in Embodiment 1, which will not be elaborated here.

[0153] Embodiment 5

[0154] This embodiment provides an electronic device, which can be presented in the form of a computing device (for example, it can be a server device), including a memory, a processor, and a computer program stored on the memory and executable on the processor. When the processor executes the computer program, it can implement the test method of any one of the X-ray tubes in Embodiments 1-4.

[0155] Figure 15 The schematic diagram of the hardware structure of this embodiment is shown, as Figure 15 shown, the electronic device 90 specifically includes:

[0156] At least one processor 91, at least one memory 92, and a bus 93 for connecting different system components (including the processor 91 and the memory 92), where:

[0157] The bus 93 includes a data bus, an address bus, and a control bus.

[0158] The memory 92 includes volatile memory, such as random access memory (RAM) 921 and / or cache memory 922, and may further include read-only memory (ROM) 923.

[0159] The memory 92 also includes a program / utilities 925 having a set (at least one) of program modules 924. Such program modules 924 include but are not limited to: an operating system, one or more application programs, other program modules, and program data. Each or some combination of these examples may include the implementation of a network environment.

[0160] The processor 91 executes various functional applications and data processing by running the computer program stored in the memory 92, such as the test method of any one of the X-ray tubes in Embodiments 1-4 of the present invention.

[0161] The electronic device 90 can further communicate with one or more external devices 94 (such as a keyboard, a pointing device, etc.). Such communication can be carried out through an input / output (I / O) interface 95. And, the electronic device 90 can also communicate with one or more networks (such as a local area network (LAN), a wide area network (WAN), and / or a public network, such as the Internet) through a network adapter 96. The network adapter 96 communicates with other modules of the electronic device 90 through the bus 93. It should be understood that although not shown in the figure, other hardware and / or software modules can be used in combination with the electronic device 90, including but not limited to: microcode, device drivers, redundant processors, external disk drive arrays, RAID (disk array) systems, tape drives, and data backup storage systems, etc.

[0162] It should be noted that although several units / modules or sub-units / modules of the electronic device are mentioned in the above detailed description, this division is merely exemplary and not mandatory. In fact, according to the embodiments of the present application, the features and functions of two or more units / modules described above can be embodied in one unit / modules. Conversely, the features and functions of one unit / modules described above can be further divided and embodied by multiple units / modules.

[0163] Embodiment 6

[0164] This embodiment provides a computer-readable storage medium, on which a computer program is stored. When the program is executed by a processor, it implements the test method of any one of the X-ray tubes in Embodiments 1-4.

[0165] Among them, the more specific forms that the readable storage medium can adopt can include but are not limited to: portable disks, hard disks, random access memories, read-only memories, erasable programmable read-only memories, optical storage devices, magnetic storage devices, or any suitable combination of the above.

[0166] In a possible implementation manner, the present invention can also be implemented in the form of a program product, which includes program code. When the program product runs on a terminal device, the program code is used to enable the terminal device to execute the test method of any one of the X-ray tubes in Embodiments 1-4.

[0167] Among them, the program code for executing the present invention can be written in any combination of one or more programming languages. The program code can be executed entirely on the user device, partially on the user device, executed as an independent software package, partially on the user device and partially on a remote device, or entirely on a remote device.

[0168] Although the specific implementation manners of the present invention are described above, those skilled in the art should understand that this is only for illustration. The protection scope of the present invention is defined by the appended claims. Without departing from the principles and essence of the present invention, those skilled in the art can make various changes or modifications to these implementation manners, but these changes and modifications all fall within the protection scope of the present invention.

Claims

1. A testing device for a tube, characterized in that, the testing device includes: a first coil (7), a first magnetic component (6), a support device (5), a feedback device and a power supply; the first coil (7) is fixed on the pole column (6-2) of the first magnetic component (6); the power supply is electrically connected to the first coil (7); one end of the feedback device is fixedly connected to the support device (5), and the other end of the feedback device is arranged at a position where the test parameters of the test piece can be measured; the testing device further includes a second coil (14), a second magnetic component (13) and a thrust disk (15), the second coil (14) is fixed on the second magnetic component (13), there is a gap between the second magnetic component (13) and the side wall (6-3) of the first magnetic component, there is a gap between the thrust disk (15) and the second magnetic component (13) and there is a gap between the thrust disk (15) and the side wall (6-3) of the first magnetic component; the power supply is electrically connected to the second coil (14).

2. The testing device for a tube according to claim 1, characterized in that, the testing device further includes a stator (20) and a rotor (22), the stator (20) and the rotor (22) are coaxial, and the power supply is electrically connected to the stator (20).

3. The testing device for a tube according to claim 1 or 2, characterized in that, the testing device includes at least three of the first coils (7), wherein, at least three of the first coils (7) are distributed in three different quadrants of the same coordinate system, and when the number of the first coils is three, the connection line between any two of the first coils (7) does not pass through the origin of the same coordinate system.

4. The testing device for a tube according to claim 3, characterized in that, the first magnetic component (6) is of an annular structure.

5. The testing device for a tube according to claim 3, characterized in that, the included angle formed by the connection lines between the centers of any two adjacent first coils (7) and the first magnetic component (6) is substantially equal.

6. The testing device for a tube according to claim 1, characterized in that, the feedback device includes a distance sensor (4), the distance sensor (4) is arranged along at least one of the X-axis direction, the Y-axis direction and the Z-axis direction, and the distance sensor (4) is arranged at a position where the deformation of the test piece of the tube can be received.

7. The testing device for a tube according to claim 1, characterized in that, the feedback device includes a force sensor (3), and the other end of the force sensor (3) is connected to the outer wall (6-1) of the first magnetic component (6).

8. The testing device for a tube according to claim 7, characterized in that, the testing device further includes a fixing device (19), the fixing device (19) is arranged along the direction of the outer wall (6-1) of the first magnetic component (6), and there is a gap between the fixing device (19) and the outer wall of the first magnetic component. The feedback device includes a plurality of the force sensors (3), and at least one of the plurality of the force sensors (3) is fixed on one side of the outer wall (6-1) of the fixing device (19) facing the first magnetic component.

9. The testing device for a tube as claimed in claim 1, wherein, the testing device includes two of the second magnetic components (13) and at least two second coils (14), one of the two second magnetic components (13) and a part of the at least two second coils (14) form a first magnetic structure, and the other of the two second magnetic components (13) and another part of the at least two second coils (14) form a second magnetic structure; The thrust disk (15) is arranged between the first magnetic structure and the second magnetic structure, and there are gaps between the thrust disk (15) and both the first magnetic structure and the second magnetic structure.

10. A testing method for a tube, wherein, the testing method is implemented based on the testing device for a tube as claimed in any one of claims 1-9, there is a gap between the test piece of the tube and the pole column of the first magnetic component, and there is also a gap between the test piece of the tube and the first coil, and the testing method includes: Applying current to the first coil through the power supply to generate an electromagnetic force, and the electromagnetic force generates a force on the test piece; Detecting the force through the feedback device.

11. The testing method for a tube as claimed in claim 10, wherein, when the feedback device is a distance sensor, the step of detecting the force through the feedback device includes: Detecting the distance between the test piece and the distance sensor through the distance sensor; Calculating the force according to the distance.

12. The testing method for a tube as claimed in claim 10, wherein, the step of applying current to the first coil through the power supply to generate an electromagnetic force includes: Controlling the power supply parameters to generate a force with a preset direction and a preset magnitude, and the power supply parameters include the frequency of the alternating current, the magnitude of the alternating current, and / or the number of the first coils to which the current is applied.

13. The testing method for a tube as claimed in claim 10, wherein, when the testing device includes a stator and a rotor, the test piece is connected to the rotor, and before the step of applying current to the first coil through the power supply to generate an electromagnetic force, the method further includes: Applying current to the stator through the power supply to rotate the rotor, so as to drive the test piece to rotate.

14. An electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein, when the processor executes the computer program, the testing method for a tube as claimed in any one of claims 10-13 is implemented.

15. A computer-readable storage medium, on which a computer program is stored, wherein, when the computer program is executed by a processor, the testing method for a tube as claimed in any one of claims 10-13 is implemented.

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