Driving control method of x-ray tube anode rotary motor and x-ray generating apparatus

Abstract

The drive control method for the X-ray tube anode rotating motor includes: S10: After the drive circuit is powered on, the control circuit outputs a test signal to the anode rotating motor. The test signal has the same phase as the working signal, and then proceeds to S20; S20: Phase detection is performed on the test signal, and the phase difference is calculated based on the phase detection result, and then proceeds to S30; S30: Based on the calculated phase difference, it is determined whether the phase of the test signal meets the operating phase requirements of the anode rotating motor. If the determination result is yes, then proceeds to S40; S40: It is determined whether the user has issued an exposure request. If the determination result is yes, then proceeds to S50; and S50: The drive circuit is controlled to output a working signal to the anode rotating motor to drive the anode target disk to rotate. This method ensures that the power supply phase connected to the anode rotating motor meets the operating phase requirements of the anode rotating motor during operation. An X-ray generating device is also provided.

Description

Technical Field

[0001] This invention relates to the field of medical imaging, and more particularly to a drive control method for an X-ray tube anode rotating motor and an X-ray generating device. Background Technology

[0002] In the field of medical imaging, X-ray imaging technology plays a crucial role. The rotating anode X-ray tube, as a core component, directly affects image quality and equipment reliability. During operation, the anode target disk rotates at high speed driven by an anode rotation motor, which is critical for withstanding instantaneous exposure energy and dissipating heat.

[0003] However, in practical applications, if the power supply phase of the anode rotary motor does not meet the operating phase requirements of the anode rotary motor, it will affect the normal operation of the anode rotary motor. In severe cases, it may cause the anode target disk to rotate too slowly or not at all, resulting in overload damage to the target surface of the anode target disk.

[0004] The existing real-time monitoring scheme for X-ray tubes does not cover the monitoring of the power supply phase of the anode rotating motor. The wiring is only guided by the phase sequence markings on the X-ray tube and connecting cables. This poses risks such as human error and cannot guarantee that the power supply phase connected to the anode rotating motor meets the operating phase requirements of the anode rotating motor when it is working. Summary of the Invention

[0005] The purpose of this invention is to provide a drive control method for an X-ray tube anode rotary motor, which can ensure that the power supply phase connected to the anode rotary motor during operation meets the operating phase requirements of the anode rotary motor.

[0006] Another objective of this invention is to provide an X-ray generating device that ensures that the power supply phase of the anode rotating motor meets the operating phase requirements of the anode rotating motor during operation.

[0007] This invention provides a drive control method for an X-ray tube anode rotating motor. The anode rotating motor is connected to a drive circuit, which outputs a working signal to the anode rotating motor to provide the electrical energy required for its operation. The drive control method includes: S10: After the drive circuit is powered on, the drive circuit is controlled to output a test signal to the anode rotating motor. The test signal has the same phase as the working signal, and then proceeds to S20; S20: Phase detection is performed on the test signal, and the phase difference is calculated based on the phase detection result, and then proceeds to S30; S30: Based on the calculated phase difference, it is determined whether the phase of the test signal meets the operating phase requirements of the anode rotating motor. If the determination result is yes, then proceeds to S40; S40: It is determined whether the user has issued an exposure request. If the determination result is yes, then proceeds to S50; and S50: The drive circuit is controlled to output a working signal to the anode rotating motor to drive the anode target disk to rotate.

[0008] The drive control method for the X-ray tube anode rotating motor first performs phase detection on the test signal output by the drive circuit, and then determines whether to output a working signal to the anode rotating motor based on the phase detection result. This ensures that the power supply phase connected to the anode rotating motor meets the operating phase requirements of the anode rotating motor when it is working.

[0009] In another illustrative embodiment of the drive control method for the X-ray tube anode rotating motor, the anode rotating motor is a three-phase AC motor. In step S20, the phase difference between the three phases is calculated based on the phase detection results. Specifically, in step S30: if at least one of the calculated phase differences between the three phases is the opposite of the corresponding design phase difference of the anode rotating motor, then the phase of the test signal is determined to not meet the operating phase requirements of the anode rotating motor; if none of the calculated phase differences between the three phases are the opposite of the corresponding design phase difference of the anode rotating motor, then the phase of the test signal is determined to meet the operating phase requirements of the anode rotating motor. This avoids phase reversal.

[0010] In another illustrative embodiment of the drive control method for the X-ray tube anode rotary motor, the anode rotary motor is a single-phase AC motor. In step S20, the phase difference between the main winding and the auxiliary winding is calculated based on the phase detection result. Specifically, in step S30: if the calculated phase difference between the main winding and the auxiliary winding is the opposite of the corresponding design phase difference of the anode rotary motor, then the phase of the test signal is determined to be inconsistent with the operating phase requirement of the anode rotary motor; if the calculated phase difference between the main winding and the auxiliary winding is not the opposite of the corresponding design phase difference of the anode rotary motor, then the phase of the test signal is determined to be consistent with the operating phase requirement of the anode rotary motor. This avoids phase reversal.

[0011] In another illustrative embodiment of the drive control method for the X-ray tube anode rotary motor, the anode rotary motor is a three-phase AC motor. In step S20, the phase difference between the three phases is calculated based on the phase detection result. Specifically, in step S30: if the difference between the calculated phase difference between the three phases and the corresponding design phase difference of the anode rotary motor exceeds a set threshold, then the phase of the test signal is determined to be inconsistent with the operating phase requirement of the anode rotary motor; if it does not exceed the set threshold, then the phase of the test signal is determined to be consistent with the operating phase requirement of the anode rotary motor. This avoids the problem of insufficient phase difference leading to the anode target disk rotation speed not meeting the requirements.

[0012] In another illustrative embodiment of the drive control method for the X-ray tube anode rotary motor, the anode rotary motor is a single-phase AC motor. In step S20, the phase difference between the main winding and the auxiliary winding is calculated based on the phase detection result. Specifically, in step S30: if the difference between the calculated phase difference between the main winding and the auxiliary winding and the corresponding design phase difference of the anode rotary motor exceeds a set threshold, then the phase of the test signal is determined to not meet the operating phase requirements of the anode rotary motor; if it does not exceed the set threshold, then the phase of the test signal is determined to meet the operating phase requirements of the anode rotary motor. This avoids the problem of insufficient phase difference causing the anode target disk rotation speed to fail to meet requirements.

[0013] This invention also provides an X-ray generating device, comprising an X-ray tube, a drive circuit, a control circuit, and a motor power supply module. The X-ray tube has an anode rotating motor capable of driving the anode target disk to rotate. The drive circuit is used to connect to a power supply. The drive circuit can output a working signal to the anode rotating motor to provide the electrical energy required for the anode rotating motor to operate. The control circuit is connected to and controls the drive circuit. After the drive circuit is powered on, the control circuit can control the drive circuit to output a test signal to the anode rotating motor. The test signal and the working signal have the same phase. The motor power supply module includes a circuit under test, a phase detection module, and a processing module. The two ends of the circuit under test are connected to the drive circuit and the anode rotating motor, respectively. The drive circuit outputs the test signal and the working signal to the anode rotating motor through the circuit under test. The phase detection module is connected to the circuit under test to perform phase detection on the test signal. The processing module is connected to the phase detection module and the control circuit. The processing module can calculate the phase difference based on the phase detection result, and can determine whether the phase of the test signal meets the operating phase requirements of the anode rotating motor based on the calculated phase difference. It can also send a phase compliance signal to the control circuit when the determination result is yes. The control circuit can also control the drive circuit to output a working signal to the anode rotating motor to drive the anode target disk of the X-ray tube to rotate when a phase qualified signal and an exposure request signal are received.

[0014] This X-ray generator can first perform phase detection on the test signal output by the drive circuit, and then determine whether to output a working signal to the anode rotary motor based on the phase detection result. This ensures that the power supply phase connected to the anode rotary motor meets the operating phase requirements of the anode rotary motor when it is working.

[0015] In another illustrative embodiment of the X-ray generator, the anode rotary motor is a three-phase AC motor. The processing module can calculate the phase difference between the three phases based on the phase detection results. If at least one of the calculated phase differences between the three phases is the negative of the corresponding design phase difference of the anode rotary motor, the module determines that the phase of the test signal does not meet the operating phase requirements of the anode rotary motor. If none of the calculated phase differences between the three phases are the negative of the corresponding design phase difference of the anode rotary motor, the module determines that the phase of the test signal meets the operating phase requirements of the anode rotary motor. This avoids phase reversal.

[0016] In another illustrative embodiment of the X-ray generator, the anode rotary motor is a single-phase AC motor. The processing module can calculate the phase difference between the main winding and the auxiliary winding based on the phase detection results. If the calculated phase difference between the main winding and the auxiliary winding is the inverse of the corresponding design phase difference of the anode rotary motor, it can determine that the phase of the test signal does not meet the operating phase requirements of the anode rotary motor. Conversely, if the calculated phase difference between the main winding and the auxiliary winding is not the inverse of the corresponding design phase difference of the anode rotary motor, it can determine that the phase of the test signal meets the operating phase requirements of the anode rotary motor. This avoids phase reversal.

[0017] In another illustrative embodiment of the X-ray generator, the anode rotary motor is a three-phase AC motor. The processing module can calculate the phase difference between the three phases based on the phase detection results. If the difference between the calculated phase difference and the corresponding design phase difference of the anode rotary motor exceeds a set threshold, the module determines that the phase of the test signal does not meet the operating phase requirements of the anode rotary motor; otherwise, if the difference does not exceed the set threshold, the module determines that the phase of the test signal meets the operating phase requirements of the anode rotary motor. This avoids the problem of insufficient anode target rotation speed due to insufficient phase difference.

[0018] In another illustrative embodiment of the X-ray generator, the anode rotary motor is a single-phase AC motor. The processing module can calculate the phase difference between the main winding and the auxiliary winding based on the phase detection results. If the difference between the calculated phase difference between the main and auxiliary windings and the corresponding design phase difference of the anode rotary motor exceeds a set threshold, the module determines that the phase of the test signal does not meet the operating phase requirements of the anode rotary motor. If the difference does not exceed the set threshold, the module determines that the phase of the test signal meets the operating phase requirements of the anode rotary motor. This avoids the problem of insufficient phase difference leading to the anode target disk rotation speed not meeting requirements.

[0019] In another illustrative embodiment of the X-ray generating device, the motor power supply module is fixedly connected to the X-ray tube. This facilitates unified management.

[0020] In another illustrative embodiment of the X-ray generating apparatus, the apparatus further includes a high-voltage generator. The high-voltage generator is capable of supplying a high voltage to the anode of the X-ray tube and has a power input terminal. Drive circuitry and control circuitry are integrated into the high-voltage generator. The drive circuitry and control circuitry are connected to the power input terminal of the high-voltage generator. This integrated design saves space and reduces costs.

[0021] In another illustrative embodiment of the X-ray generator, the motor power supply module further includes a power supply circuit. The power supply circuit connects to the phase detection module and the processing module to supply power to them. The X-ray generator also includes a rectifier circuit integrated into the high-voltage generator. The current input terminal of the rectifier circuit is connected to the power input terminal of the high-voltage generator, the current output terminal of the rectifier circuit is connected to the power supply circuit, and the control terminal of the rectifier circuit is connected to the control circuit. This integrated design helps reduce costs.

[0022] In another illustrative embodiment of the X-ray generating apparatus, the apparatus further includes a cable. The cable is used to establish connections between the rectifier circuit and the power supply circuit, between the drive circuit and the circuit under test, and between the control circuit and the processing module. This facilitates wiring. Attached Figure Description

[0023] The following figures are for illustrative purposes only and do not limit the scope of the invention.

[0024] Figure 1 This is a flowchart illustrating one embodiment of a drive control method for an X-ray tube anode rotating motor.

[0025] Figure 2 A flowchart illustrating another illustrative embodiment of the drive control method for the rotating anode motor of an X-ray tube.

[0026] Figure 3This is a structural block diagram illustrating one embodiment of an X-ray generating device.

[0027] Figure 4 Another illustrative embodiment of an X-ray generating apparatus is used to illustrate this.

[0028] Label Explanation

[0029] 10 X-ray tubes

[0030] 11 Anode Rotary Motor

[0031] 20. Drive circuit

[0032] 30 Control Circuit

[0033] 50 Motor Power Supply Module

[0034] 51 Circuit under test

[0035] 52 Phase Detection Module

[0036] 53 Processing Module

[0037] 54 Power Supply Circuit

[0038] 60 High Voltage Generator

[0039] 61 Power Input Terminal

[0040] 70 Rectifier Circuit

[0041] 80 cable Detailed Implementation

[0042] To provide a clearer understanding of the technical features, objectives, and effects of the invention, specific embodiments of the invention are now described with reference to the accompanying drawings. In the drawings, the same reference numerals indicate components with the same or similar structures but the same function.

[0043] In this document, “illustrative” means “serving as an example, illustration or description”, and any illustration or implementation described herein as “illustrative” should not be construed as a more preferred or advantageous technical solution.

[0044] To keep the drawings simple, each drawing only schematically shows the parts related to the present invention, and they do not represent the actual structure of the product.

[0045] Figure 1This is a flowchart illustrating a schematic embodiment of a drive control method for an X-ray tube anode rotary motor. The X-ray tube, used to generate X-rays, mainly comprises a cathode, an anode, and a casing. The anode has an anode target disk. The X-ray tube also has an anode rotary motor capable of driving the anode target disk to rotate. The anode rotary motor is connected to a drive circuit. The drive circuit outputs a working signal to the anode rotary motor to provide the electrical energy required for its operation, thereby completing the exposure. Figure 1 As shown, the drive control method includes the following steps S10 to S50.

[0046] S10: After the drive circuit is powered on, the control drive circuit outputs a test signal to the anode rotary motor. The test signal is in phase with the working signal, and then proceeds to S20. In an illustrative embodiment, the frequency of the test signal is, for example, less than the frequency of the working signal, and the test signal is, for example, an instantaneous signal, but is not limited thereto.

[0047] S20: Perform phase detection on the test signal and calculate the phase difference based on the phase detection result, then proceed to S30.

[0048] S30: Determine whether the phase of the test signal meets the operating phase requirements of the anode rotating motor based on the calculated phase difference. If the determination result is yes, proceed to S40. The operating phase requirements of the anode rotating motor are the limitations on the phase of the power supply required for the normal operation of the anode rotating motor, which can be specifically set as needed.

[0049] S40: Determine whether the user has issued an exposure request. If the result is yes, proceed to S50.

[0050] S50: The control drive circuit outputs a working signal to the anode rotary motor to drive the anode target disk to rotate, thus completing the exposure. It is important to note that the output of the working signal from the drive circuit to the anode rotary motor is a necessary condition for exposure. Before this condition is met, the cathode and anode are controlled and will not enter the exposure state.

[0051] The drive control method for the X-ray tube anode rotating motor first performs phase detection on the test signal output by the drive circuit, and then determines whether to output a working signal to the anode rotating motor based on the phase detection result. This ensures that the power supply phase connected to the anode rotating motor meets the operating phase requirements of the anode rotating motor when it is working.

[0052] Specifically, in the illustrative embodiment, the anode rotating motor is a three-phase AC motor. In S20, the phase difference between the three phases is calculated based on the phase detection result. S30 specifically states: if at least one of the calculated phase differences between the three phases is the opposite of the corresponding design phase difference of the anode rotating motor, then the phase of the test signal is determined to not meet the operating phase requirements of the anode rotating motor; if none of the calculated phase differences between the three phases are the opposite of the corresponding design phase difference of the anode rotating motor, then the phase of the test signal is determined to meet the operating phase requirements of the anode rotating motor. It can be understood that there are three values ​​for the phase difference between the three phases, and correspondingly, there are also three values ​​for the design phase difference of the anode rotating motor. This avoids phase reversal.

[0053] In another illustrative embodiment, the anode rotating motor is a single-phase AC motor. In step S20, the phase difference between the main winding and the auxiliary winding is calculated based on the phase detection result. Specifically, in step S30: if the calculated phase difference between the main winding and the auxiliary winding is the opposite of the corresponding design phase difference of the anode rotating motor, then the phase of the test signal is determined to be inconsistent with the operating phase requirement of the anode rotating motor; if the calculated phase difference between the main winding and the auxiliary winding is not the opposite of the corresponding design phase difference of the anode rotating motor, then the phase of the test signal is determined to be consistent with the operating phase requirement of the anode rotating motor. This avoids phase reversal.

[0054] In another illustrative embodiment, the anode rotating motor is a three-phase AC motor. In step S20, the phase difference between the three phases is calculated based on the phase detection result. Step S30 specifically states: if the difference between the calculated phase difference between the three phases and the corresponding design phase difference of the anode rotating motor exceeds a set threshold, then the phase of the test signal is determined to not meet the operating phase requirements of the anode rotating motor; if it does not exceed the set threshold, then the phase of the test signal is determined to meet the operating phase requirements of the anode rotating motor. It can be understood that there are three values ​​for the phase difference between the three phases, and correspondingly, there are also three values ​​for the design phase difference of the anode rotating motor. Therefore, there are three set thresholds for the differences. Specifically, for example, if any one difference exceeds the set threshold, it means that the difference between the calculated phase difference between the three phases and the corresponding design phase difference of the anode rotating motor exceeds the set threshold; if all differences do not exceed the set threshold, it means that the set threshold is not exceeded. This avoids the problem of insufficient phase difference causing the anode target disk speed to fail to meet the requirements.

[0055] In another illustrative embodiment, the anode rotating motor is a single-phase AC motor. In step S20, the phase difference between the main winding and the auxiliary winding is calculated based on the phase detection result. Specifically, in step S30: if the calculated phase difference between the main winding and the auxiliary winding differs from the corresponding design phase difference of the anode rotating motor by a value exceeding a set threshold, then the phase of the test signal is determined to be inconsistent with the operating phase requirements of the anode rotating motor; if it does not exceed the set threshold, then the phase of the test signal is determined to be consistent with the operating phase requirements of the anode rotating motor. This avoids the problem of insufficient phase difference leading to the anode target disk rotation speed not meeting the requirements.

[0056] Figure 2 A flowchart illustrating another illustrative embodiment of the drive control method for an X-ray tube anode rotating motor. Figure 1 Based on the drive control method shown, the drive control method of this illustrative embodiment further includes: if the judgment result of S30 is negative, then proceed to S60: send a signal to inform the user of the judgment result and return to S10; if the judgment result of S40 is negative, then repeat S40.

[0057] Figure 3 This is a schematic block diagram of one embodiment of an X-ray generating apparatus. This X-ray generating apparatus is used to implement the drive control method for the X-ray tube anode rotating motor described above. Figure 3 As shown, the X-ray generating device includes an X-ray tube 10, a drive circuit 20, a control circuit 30, and a motor power supply module 50.

[0058] X-ray tube 10 is used to generate X-rays and mainly includes a cathode, an anode, and a housing. The anode has an anode target disk. X-ray tube 10 also has an anode rotation motor 11 that can drive the anode target disk to rotate. X-ray tube 10 is, for example, an existing product, and its detailed structure will not be described here.

[0059] The drive circuit 20 is used to connect to a power source. The drive circuit 20 can output a working signal to the anode rotary motor 11 to provide the electrical energy required for the anode rotary motor 11 to operate and complete the exposure.

[0060] Control circuit 30 is connected to and controls drive circuit 20. After drive circuit 20 is powered on, control circuit 30 controls drive circuit 20 to output a test signal to anode rotary motor 11. The test signal is in phase with the operating signal. In an illustrative embodiment, the frequency of the test signal is, for example, less than the frequency of the operating signal, and the test signal is, for example, an instantaneous signal, but is not limited thereto.

[0061] The motor power supply module 50 includes a circuit under test (DUT) 51, a phase detection module 52, and a processing module 53. The two ends of the DUT 51 are connected to the drive circuit 20 and the anode rotating motor 11, respectively. The drive circuit 20 outputs test signals and operating signals to the anode rotating motor 11 through the DUT 51. The phase detection module 52 is connected to the DUT 51 to perform phase detection on the test signals.

[0062] The processing module 53 connects the phase detection module 52 and the control circuit 30. The processing module 53 can calculate the phase difference based on the phase detection result, and can determine whether the phase of the test signal meets the operating phase requirements of the anode rotating motor 11 based on the calculated phase difference. It can also send a phase compliance signal to the control circuit 30 when the determination result is yes, and send a phase non-compliance signal, for example, when the determination result is no. The operating phase requirements of the anode rotating motor are limitations on the power supply phase required for the normal operation of the anode rotating motor, and can be specifically set as needed.

[0063] The control circuit 30 can also, upon receiving both a phase pass signal and an exposure request signal, control the drive circuit 20 to output a working signal to the anode rotation motor 11, thereby driving the anode target disk of the X-ray tube 10 to rotate and complete the exposure. The exposure request signal is a signal sent by the user to the control circuit 30 via a human-machine interface device for the purpose of exposure. It should be noted that the output of a working signal from the drive circuit to the anode rotation motor is a necessary condition for exposure; before this condition is met, the cathode and anode are controlled and will not enter the exposure state. In an illustrative embodiment, the control circuit 30 can, for example, also output a prompt signal to inform the user of the judgment result upon receiving a phase fail signal, and then control the drive circuit 20 again to output a test signal to the anode rotation motor 11 to start a new round of testing.

[0064] This X-ray generator can first perform phase detection on the test signal output by the drive circuit, and then determine whether to output a working signal to the anode rotary motor based on the phase detection result. This ensures that the power supply phase connected to the anode rotary motor meets the operating phase requirements of the anode rotary motor when it is working.

[0065] Specifically, in the illustrative embodiment, the anode rotating motor 11 is a three-phase AC motor. The processing module 53 can calculate the phase difference between the three phases based on the phase detection results. If at least one of the calculated phase differences between the three phases is the opposite of the corresponding design phase difference of the anode rotating motor 11, it determines that the phase of the test signal does not meet the operating phase requirements of the anode rotating motor 11. If none of the calculated phase differences between the three phases are the opposite of the corresponding design phase difference of the anode rotating motor 11, it determines that the phase of the test signal meets the operating phase requirements of the anode rotating motor 11. It can be understood that there are three values ​​for the phase difference between the three phases, and correspondingly, there are also three values ​​for the design phase difference of the anode rotating motor. This avoids phase reversal.

[0066] In another illustrative embodiment, the anode rotary motor 11 is a single-phase AC motor. The processing module 53 can calculate the phase difference between the main winding and the auxiliary winding based on the phase detection results. If the calculated phase difference between the main winding and the auxiliary winding is the opposite of the corresponding design phase difference of the anode rotary motor 11, it can determine that the phase of the test signal does not meet the operating phase requirements of the anode rotary motor 11. Conversely, if the calculated phase difference between the main winding and the auxiliary winding is not the opposite of the corresponding design phase difference of the anode rotary motor 11, it can determine that the phase of the test signal meets the operating phase requirements of the anode rotary motor 11. This avoids phase reversal.

[0067] In another illustrative embodiment, the anode rotating motor 11 is a three-phase AC motor. The processing module 53 can calculate the phase difference between the three phases based on the phase detection results. If the difference between the calculated phase difference between the three phases and the corresponding design phase difference of the anode rotating motor 11 exceeds a set threshold, it determines that the phase of the test signal does not meet the operating phase requirements of the anode rotating motor 11; otherwise, it determines that the phase of the test signal meets the operating phase requirements of the anode rotating motor 11. It can be understood that there are three values ​​for the phase difference between the three phases, and correspondingly, there are three values ​​for the design phase difference of the anode rotating motor. Therefore, there are three set thresholds for the differences. Specifically, for example, if any one difference exceeds the set threshold, it means that the difference between the calculated phase difference between the three phases and the corresponding design phase difference of the anode rotating motor exceeds the set threshold; if all differences do not exceed the set threshold, it means that the set threshold is not exceeded. This avoids the problem of insufficient phase difference causing the anode target disk rotation speed to fail to meet the requirements.

[0068] In another illustrative embodiment, the anode rotary motor 11 is a single-phase AC motor. The processing module 53 can calculate the phase difference between the main winding and the auxiliary winding based on the phase detection results. If the difference between the calculated phase difference between the main winding and the auxiliary winding and the corresponding design phase difference of the anode rotary motor 11 exceeds a set threshold, it determines that the phase of the test signal does not meet the operating phase requirements of the anode rotary motor 11. If the difference does not exceed the set threshold, it determines that the phase of the test signal meets the operating phase requirements of the anode rotary motor 11. This avoids the problem of insufficient phase difference leading to the anode target disk rotation speed not meeting the requirements.

[0069] like Figure 3 As shown in the schematic embodiment, the X-ray generating apparatus also includes a high-voltage generator 60. The high-voltage generator 60 is capable of supplying a high voltage to the anode of the X-ray tube 10 and has a power input terminal 61. The power input terminal 61 is used to connect to an external power source. A drive circuit 20 and a control circuit 30 are integrated into the high-voltage generator 60. The drive circuit 20 and the control circuit 30 are connected to the power input terminal 61 of the high-voltage generator 60 to obtain electrical energy. This integrated design saves space and reduces costs.

[0070] like Figure 3 As shown in the schematic embodiment, the motor power input module 50 further includes a power supply circuit 54. The power supply circuit 54 is connected to the phase detection module 52 and the processing module 53 to supply power to them. The X-ray generating apparatus also includes a rectifier circuit 70 integrated into the high-voltage generator 60. The rectifier circuit 70 is a circuit that converts alternating current (AC) to direct current (DC). The current input terminal of the rectifier circuit 70 is connected to the power input terminal 61 of the high-voltage generator 60, the current output terminal of the rectifier circuit 70 is connected to the power supply circuit 54, and the control terminal of the rectifier circuit 70 is connected to the control circuit 30. This integrated design helps reduce costs.

[0071] Figure 4 This illustrative embodiment illustrates another possible implementation of an X-ray generating apparatus. The X-ray generating apparatus of this illustrative embodiment... Figure 3 A cable 80 is added to the X-ray generator shown. Cable 80 is used to establish connections between the rectifier circuit 70 and the power supply circuit 54, between the drive circuit 20 and the circuit under test 51, and between the control circuit 30 and the processing module 53. This facilitates wiring.

[0072] In the illustrative embodiment, the motor power supply module 50 is fixedly connected to the X-ray tube 10. This facilitates unified management.

[0073] It should be understood that although this specification is described according to various embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0074] The detailed descriptions listed above are merely specific descriptions of feasible embodiments of the present invention and are not intended to limit the scope of protection of the present invention. All equivalent implementation schemes or modifications made without departing from the spirit of the present invention, such as combinations, divisions or repetitions of features, should be included within the scope of protection of the present invention.

Claims

1. A drive control method for an X-ray tube anode rotating motor, wherein the anode rotating motor is connected to a drive circuit, and the drive circuit is capable of outputting a working signal to the anode rotating motor to provide the electrical energy required for the operation of the anode rotating motor, characterized in that, The drive control method includes: S10: After the drive circuit is powered on, the control drive circuit outputs a test signal to the anode rotating motor. The test signal is in phase with the working signal, and then proceeds to S20. S20: Perform phase detection on the test signal, calculate the phase difference based on the phase detection result, and then proceed to S30; S30: Determine whether the phase of the test signal meets the operating phase requirements of the anode rotating motor based on the calculated phase difference. If the determination result is yes, proceed to S40. S40: Determine if the user has issued an exposure request. If the result is yes, proceed to S50; and S50: The control drive circuit outputs the working signal to the anode rotating motor to drive the anode target disk to rotate.

2. The drive control method for the X-ray tube anode rotating motor as described in claim 1, characterized in that, The anode rotating motor is a three-phase AC motor. In S20, the phase difference between the three phases is calculated based on the phase detection result. Specifically, in S30: if at least one of the calculated phase differences between the three phases is the opposite of the corresponding design phase difference of the anode rotating motor, then the phase of the test signal is determined to be inconsistent with the operating phase requirement of the anode rotating motor; if none of the calculated phase differences between the three phases are the opposite of the corresponding design phase difference of the anode rotating motor, then the phase of the test signal is determined to be consistent with the operating phase requirement of the anode rotating motor; and / or The anode rotating motor is a single-phase AC motor. In S20, the phase difference between the main winding and the auxiliary winding is calculated based on the phase detection result. Specifically, in S30: if the calculated phase difference between the main winding and the auxiliary winding is the opposite of the corresponding design phase difference of the anode rotating motor, then it is determined that the phase of the test signal does not meet the operating phase requirements of the anode rotating motor; if the calculated phase difference between the main winding and the auxiliary winding is not the opposite of the corresponding design phase difference of the anode rotating motor, then it is determined that the phase of the test signal meets the operating phase requirements of the anode rotating motor.

3. The drive control method for the X-ray tube anode rotating motor as described in claim 1, characterized in that, The anode rotating motor is a three-phase AC motor. In S20, the phase difference between the three phases is calculated based on the phase detection result. Specifically, in S30: if the difference between the calculated phase difference between the three phases and the corresponding design phase difference of the anode rotating motor exceeds a set threshold, then the phase of the test signal is determined to be inconsistent with the operating phase requirement of the anode rotating motor; if it does not exceed the set threshold, then the phase of the test signal is determined to be consistent with the operating phase requirement of the anode rotating motor; and / or The anode rotating motor is a single-phase AC motor. In S20, the phase difference between the main winding and the auxiliary winding is calculated based on the phase detection result. Specifically, in S30, if the difference between the calculated phase difference between the main winding and the auxiliary winding and the corresponding design phase difference of the anode rotating motor exceeds a set threshold, it is determined that the phase of the test signal does not meet the operating phase requirements of the anode rotating motor. If it does not exceed the set threshold, it is determined that the phase of the test signal meets the operating phase requirements of the anode rotating motor.

4. An X-ray generating apparatus, characterized in that, include: X-ray tube (10) having an anode rotation motor (11) capable of driving the anode target disk to rotate. A drive circuit (20) is used to connect to a power source. The drive circuit (20) is capable of outputting a working signal to the anode rotary motor (11) to provide the electrical energy required for the operation of the anode rotary motor (11). A control circuit (30) is connected to and controls the drive circuit (20). After the drive circuit (20) is powered on, the control circuit (30) controls the drive circuit (20) to output a test signal to the anode rotary motor (11). The test signal is in phase with the working signal. as well as Motor power supply module (50), which includes: The circuit under test (51) is connected at both ends to the drive circuit (20) and the anode rotating motor (11), respectively. The drive circuit (20) outputs the test signal and the working signal to the anode rotating motor (11) through the circuit under test (51). Phase detection module (52), which is connected to the circuit under test (51) to perform phase detection on the test signal, and The processing module (53) is connected to the phase detection module (52) and the control circuit (30). The processing module (53) can calculate the phase difference based on the phase detection result and determine whether the phase of the test signal meets the operating phase requirements of the anode rotating motor (11) based on the calculated phase difference. It can also send a phase qualified signal to the control circuit (30) when the judgment result is yes. The control circuit (30) can also control the drive circuit (20) to output the working signal to the anode rotating motor (11) when it receives the phase qualified signal and the exposure request signal, so as to drive the anode target disk of the X-ray tube (10) to rotate.

5. The X-ray generating apparatus as described in claim 4, characterized in that, The anode rotating motor (11) is a three-phase AC motor. The processing module (53) can calculate the phase difference between the three phases based on the phase detection results. If at least one of the calculated phase differences between the three phases is the opposite of the corresponding design phase difference of the anode rotating motor (11), the module can determine that the phase of the test signal does not meet the operating phase requirement of the anode rotating motor (11). If none of the calculated phase differences between the three phases are the opposite of the corresponding design phase difference of the anode rotating motor (11), the module can determine that the phase of the test signal meets the operating phase requirement of the anode rotating motor (11). The anode rotating motor (11) is a single-phase AC motor. The processing module (53) can calculate the phase difference between the main winding and the auxiliary winding based on the phase detection result. If the phase difference between the main winding and the auxiliary winding is the opposite of the corresponding design phase difference of the anode rotating motor (11), the module can determine that the phase of the test signal does not meet the operating phase requirements of the anode rotating motor (11). If the phase difference between the main winding and the auxiliary winding is not the opposite of the corresponding design phase difference of the anode rotating motor (11), the module can determine that the phase of the test signal meets the operating phase requirements of the anode rotating motor (11).

6. The X-ray generating apparatus as described in claim 4, characterized in that, The anode rotary motor (11) is a three-phase AC motor. The processing module (53) can calculate the phase difference between the three phases based on the phase detection results. If the difference between the calculated phase difference between the three phases and the corresponding design phase difference of the anode rotary motor (11) exceeds a set threshold, it can determine that the phase of the test signal does not meet the operating phase requirements of the anode rotary motor (11). If the difference does not exceed the set threshold, it can determine that the phase of the test signal meets the operating phase requirements of the anode rotary motor (11); and / or The anode rotary motor (11) is a single-phase AC motor. The processing module (53) can calculate the phase difference between the main winding and the auxiliary winding based on the phase detection result. If the difference between the calculated phase difference between the main winding and the auxiliary winding and the corresponding design phase difference of the anode rotary motor (11) exceeds a set threshold, it can determine that the phase of the test signal does not meet the operating phase requirements of the anode rotary motor (11). If the phase of the test signal does not exceed the set threshold, it can determine that the phase of the test signal meets the operating phase requirements of the anode rotary motor (11).

7. The X-ray generating apparatus as described in claim 4, characterized in that, The motor power supply module (50) is fixedly connected to the X-ray tube (10).

8. The X-ray generating apparatus as described in claim 4, characterized in that, The X-ray generating device also includes a high voltage generator (60), which is capable of providing a high voltage to the anode of the X-ray tube (10) and has a power input terminal (61). The drive circuit (20) and the control circuit (30) are integrated in the high voltage generator (60) and are connected to the power input terminal (61) of the high voltage generator (60).

9. The X-ray generating apparatus as described in claim 8, characterized in that, The motor power supply access module (50) further includes a power supply circuit (54), which is connected to the phase detection module (52) and the processing module (53) to supply power to the phase detection module (52) and the processing module (53). The X-ray generating device further includes a rectifier circuit (70) integrated into the high voltage generator (60). The current input terminal of the rectifier circuit (70) is connected to the power input terminal (61) of the high voltage generator (60), the current output terminal of the rectifier circuit (70) is connected to the power supply circuit (54), and the control terminal of the rectifier circuit (70) is connected to the control circuit (30).

10. The X-ray generating apparatus as described in claim 9, characterized in that, The X-ray generating device also includes a cable (80) for establishing connections between the rectifier circuit (70) and the power supply circuit (54), between the drive circuit (20) and the circuit under test (51), and between the control circuit (30) and the processing module (53).

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