Data transmission system and medical imaging equipment

Abstract

The invention relates to a data transmission system and medical imaging equipment. The data transmission system comprises a static part, a rotating part, a first transceiving module and a second transceiving module, the rotating part is rotationally coupled in the static part, the first transceiving module is arranged on the rotating part, and the second transceiving module is located on the rotating axis of the rotating part; and the first transceiver module is used for sending the first signal to the second transceiver module and / or receiving the second signal sent by the second transceiver module. By adopting the system, one end for signal transmission is arranged on the rotating part of the rotary scanning rack of the medical imaging equipment, and the other end for signal transmission is arranged outside the medical imaging equipment and is positioned on the rotating axis of the scanning rack of the medical imaging equipment; a data transmission path between the medical image equipment and external equipment is formed in the form of light waves or electromagnetic waves; the data transmission distance can be increased, the data transmission bandwidth can be increased, and the data transmission rate can be increased.

Description

Technical Field

[0001] The present application relates to the field of medical equipment communication technology, and in particular to a data transmission system and medical imaging equipment. Background Art

[0002] Computed Tomography (CT) uses a tube and a detector to perform cross-sectional scanning around a certain part of the human body. The tube and the detector are relatively arranged on the rotor of the CT device. During the rotation of the rotor, the scanning data collected by the detector needs to be transmitted to the stator in real time for subsequent image reconstruction processing.

[0003] Traditionally, a data transmission slip ring is provided on the rotor of a CT device, and the slip ring realizes wireless data transmission between the rotor and the stator by means of capacitive coupling between a transmitting antenna of the rotor and a receiving antenna of the stator.

[0004] However, the capacitive coupling data transmission method has the problems of short transmission distance and limited transmission bandwidth. Summary of the invention

[0005] Based on this, it is necessary to provide a data transmission system and medical imaging equipment that can increase the data transmission distance of medical imaging equipment, improve the data transmission bandwidth, and thus improve the data transmission efficiency in response to the above technical problems.

[0006] In a first aspect, the present application provides a data transmission system, including a stationary part and a rotating part that is rotationally coupled in the stationary part, the system further comprising: at least one first transceiver module 10 and a second transceiver module 20, the first transceiver module 10 being arranged on the rotating part of the medical imaging device, and the second transceiver module 20 being located on the rotation axis of the rotating part;

[0007] The first transceiver module 10 is used to send a first signal to the second transceiver module 20 , and / or to receive a second signal sent by the second transceiver module 20 .

[0008] In one embodiment, the first transceiver module 10 includes a first transceiver component 101 and a first adjustment component 102; the first adjustment component 102 is disposed on a signal transmission path of the first transceiver component 101; the first adjustment component 102 is used to adjust the direction of the first signal and / or the second signal;

[0009] The second transceiver module 20 includes a second transceiver component 201 and a second adjustment component 202; the second adjustment component 202 is arranged on the signal transmission path of the second transceiver component 201; the second adjustment component 202 is used to adjust the direction of the first signal and / or the second signal.

[0010] In one embodiment, the first transceiver component 101 is a first optical signal transceiver, and the first adjustment component 102 is a first optical wedge;

[0011] The second transceiver component 201 is a second optical signal transceiver, and the second adjustment component 202 is a second optical wedge.

[0012] In one embodiment, the first adjustment component 102 includes a first adjustment unit 1021 and a second adjustment unit 1022, the first adjustment unit 1021 is arranged on the signal transmission path of the first transceiver component 101, and the second adjustment unit 1022 is arranged on the signal receiving path of the first transceiver component 101; the first adjustment unit 1021 is used to adjust the direction of the first signal; the second adjustment unit 1022 is used to adjust the direction of the second signal;

[0013] The second adjustment component 202 includes a third adjustment unit 2021 and a fourth adjustment unit 2022. The third adjustment unit 2021 is arranged on the signal receiving path of the second transceiver component 201, and the fourth adjustment unit 2022 is arranged on the signal sending path of the second transceiver component 201; the third adjustment unit 2021 is used to adjust the direction of the first signal; the fourth adjustment unit 2022 is used to adjust the direction of the second signal.

[0014] In one embodiment, the first adjustment unit 1021 is a planar wedge, and the second adjustment unit 1022 is a focusing wedge;

[0015] The third adjustment unit 2021 is a focusing wedge, and the fourth adjustment unit 2022 is a planar wedge.

[0016] In one embodiment, the first transceiver module 10 is a first optical transceiver module, and the second transceiver module 20 is a second optical transceiver module; or,

[0017] The first transceiver module 10 is a first electromagnetic wave transceiver module, and the second transceiver module 20 is a second electromagnetic wave transceiver module.

[0018] In one embodiment, the system further includes: a controller 30, the controller 30 is connected to the second transceiver module 20;

[0019] The controller 30 is used to adjust the signal receiving range of the second transceiver module 20 when it is detected that the power of the first signal is less than a preset power threshold.

[0020] In one embodiment, the system further includes: a power detection device 40, the power detection device 40 is connected to the second transceiver module 20 and the controller 30 respectively;

[0021] The power detection device 40 is used to detect power information of the first signal received by the second transceiver module 20 and send the power information to the controller 30 .

[0022] In one embodiment, the system further includes: a vibration detection device 50, the vibration detection device 50 is connected to the rotating part and the controller 30 respectively;

[0023] The vibration detection device 50 is used to detect the vibration information of the rotating part and send the vibration information to the controller 30;

[0024] The controller 30 is further used to adjust the signal receiving range of the second transceiver module 20 according to the vibration information.

[0025] In a second aspect, the present application further provides a medical imaging device, which includes the data transmission system in the first aspect.

[0026] The above-mentioned data transmission system and medical imaging equipment, the data transmission system includes a stationary part and a rotating part that performs rotational coupling in the stationary part, the system also includes a first transceiver module 10 and a second transceiver module 20, the first transceiver module 10 is arranged on the rotating part, and the second transceiver module 20 is located on the rotation axis of the rotating part; wherein the first transceiver module 10 is used to send a first signal to the second transceiver module 20, and / or, to receive a second signal sent by the second transceiver module 20. That is to say, by adopting the data transmission system proposed in the present application, one end of the signal transmission can be set on the rotating part of the scanning rack of the medical imaging device, and the other end of the signal transmission can be set outside the medical imaging device and located on the rotating axis of the scanning rack of the medical imaging device, so as to form a data transmission path between the medical imaging device and the external device in the form of light waves or electromagnetic waves; not only can the data transmission distance between the medical imaging device end and the external device end be improved, but also the data transmission bandwidth and the data transmission rate can be improved; in addition, by respectively arranging transceiver modules on the medical imaging device and the external device, based on the same data transmission path, not only the transmission of the scanning data of the medical imaging device can be realized, but also the transmission of the control signal of the external device to the medical imaging device can be realized; that is, the use of the data transmission system can realize bidirectional transmission of data, avoid the setting of multiple data transmission paths in the medical imaging device, thereby reducing the construction cost of the data transmission link of the medical imaging device, and at the same time improving the efficiency of bidirectional data transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related technologies, the drawings required for use in the embodiments or the related technical descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] FIG1 is a schematic diagram of the structure of a data transmission system in one embodiment;

[0029] FIG2 is a schematic diagram of the structure of a first transceiver module in one embodiment;

[0030] FIG3 is a schematic diagram of the structure of a second transceiver module in one embodiment;

[0031] FIG4 is another schematic diagram of the structure of the first transceiver module in one embodiment;

[0032] FIG5 is another schematic diagram of the structure of a second transceiver module in one embodiment;

[0033] FIG6 is another schematic diagram of the structure of a data transmission system in one embodiment;

[0034] FIG7 is another schematic diagram of the structure of a data transmission system in one embodiment;

[0035] FIG8 is another schematic diagram of the structure of a data transmission system in one embodiment;

[0036] FIG9 is a schematic diagram of the structure of a light wave-based data transmission system in one embodiment;

[0037] FIG10 is a control schematic diagram of a data transmission system in one embodiment;

[0038] FIG11 is a schematic diagram of the structure of a terahertz-based data transmission system in one embodiment;

[0039] FIG12 is a schematic diagram of the structure of a millimeter wave-based data transmission system in one embodiment. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0041] In the medical field, there are many types of medical imaging equipment, and Computed Tomography (CT) equipment is one of them; CT equipment mainly includes a tube, a detector, a scanning gantry and a scanning bed, wherein the tube and the detector are relatively arranged on a rotating part (which can be called a rotor) in the scanning gantry; in the process of rotational scanning of the patient, the rotating part drives the tube and the detector to perform tomography around the scanning part of the patient; at the same time, during the scanning process, the detector will collect the attenuation signal passing through the scanning part of the patient in real time, and transmit the data collected by the detector to the stator through the data transmission method between the rotating part and the stationary part of the scanning gantry (which can be called a stator), so as to perform subsequent data processing and image reconstruction, thereby obtaining a CT image of the scanning part.

[0042] In the related art, the data transmission method between the rotor and stator of the scanning frame can include: data transmission by means of slip rings and carbon brushes, that is, slip rings are arranged on the circumference of the rotor, and carbon brushes are arranged at preset positions of the stator to realize data transmission; in addition, data transmission can also be realized by means of capacitive coupling, that is, a transmitting antenna is arranged on the rotor, and a receiving antenna is arranged on the stator, and wireless data transmission between the rotor and the stator is realized by a capacitive coupler between the transmitting antenna and the receiving antenna. It should be noted that the data transmission between the rotor and the stator can realize the transmission of data collected by the detector on the rotor to the stator, and can also realize the transmission of external control signals to the rotor, thereby realizing the control of the medical imaging equipment by external equipment (such as computer equipment in the operating room).

[0043] In some implementations, a combination of slip ring carbon brushes and capacitive coupling can be used to transmit low-speed external control signals through slip ring carbon brushes, and high-speed scanning data through capacitive coupling. However, for existing data transmission methods, when performing scanning data transmission, there are problems such as short transmission distance and low theoretical transmission bandwidth upper limit, and high installation requirements between the rotor and the stator; for the capacitive coupling method, there is also a problem of low signal anti-interference ability; in addition, due to the limitations of the transmitting antenna processing technology, the length of the transmitting antenna is limited. When the CT aperture increases, multiple transmitting antennas need to be spliced, which further increases the difficulty of slip ring installation.

[0044] Based on this, the embodiment of the present application proposes a new data transmission method, in which the data receiving end of the stator is arranged outside the scanning frame and is located on the rotating shaft of the rotor, and long-distance communication is achieved through optical transmission or electromagnetic wave transmission; this data transmission method can reduce the installation difficulty between the rotor and the stator (the stationary part on the scanning frame) without increasing the internal size of the existing frame; and compared with the existing capacitive coupling, it is necessary to set an antenna around the rotor slip ring. The rotor aperture size limits the processing size of the slip ring antenna, resulting in limited transmission bandwidth. In this application, optical transmission or electromagnetic wave transmission is adopted, so that the rotor aperture size no longer affects the transmission bandwidth of the slip ring, which can effectively meet the needs of large-aperture CT.

[0045] Furthermore, by adopting the data transmission method of the present application, through two-way communication, it is possible to realize the transmission of detector scanning data and the transmission of control signals, thereby improving the comprehensive performance of the data transmission system.

[0046] The technical solution of the present application and how the technical solution of the present application solves the above-mentioned technical problems are described in detail below with specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. The embodiments of the present application will be described below in conjunction with the accompanying drawings.

[0047] FIG1 is a schematic diagram of the structure of the data transmission system provided in an embodiment of the present application. As shown in FIG1 , the system can be applied to medical imaging equipment, including: a stationary part (such as the outer shell of a scanning frame, not shown in the figure) and a rotating part that performs rotational coupling in the stationary part, and can also include: a first transceiver module 10 and a second transceiver module 20, the first transceiver module 10 is arranged on the rotating part of the medical imaging equipment, and the second transceiver module 20 is located on the rotation axis of the rotating part. Among them, the first transceiver module 10 is used to send a first signal to the second transceiver module 20, and / or, to receive a second signal sent by the second transceiver module 20; wherein the first signal can carry the data to be transmitted collected by the detector in the medical imaging equipment, and the second signal can carry a control signal for the medical imaging equipment.

[0048] Exemplarily, one or more first transceiver modules 10 can be arranged at any position of the circumferential end surface of the rotating part, for example: a plurality of first transceiver modules 10 are arranged at equal intervals on the circumferential end surface of the rotating part, and each first transceiver module 10 can be oriented toward the second transceiver module 20; that is, when the second transceiver module 20 is located on one side of the scanning bed of the medical imaging device, each first transceiver module 10 can be arranged on the side of the rotating part close to the scanning bed; when the second transceiver module 20 is located on the side of the medical imaging device away from the scanning bed, each first transceiver module 10 can be arranged on the side of the rotating part away from the scanning bed; so that the signal transmission path of each first transceiver module 10 can point to the second transceiver module 20 during the rotation of the rotating part, thereby realizing signal transmission between the first transceiver module 10 and the second transceiver module 20.

[0049] Exemplarily, the second transceiver module 20 can be arranged on the rotation axis of the rotating part, or within a preset range of the rotation axis of the rotating part; the second transceiver module 20 can be independent of the scanning frame of the medical imaging device and be located outside the scanning frame; for example: the second transceiver module 20 can be arranged on the side away from the scanning bed, and the distance between the second transceiver module 20 and the rotation center of the scanning frame is within a preset distance range. The position of the second transceiver module 20, that is, the distance between the second transceiver module 20 and the rotation center of the scanning frame, should be able to meet the distance that the scanning bed moves into the frame, so as to avoid the position of the second transceiver module 20 affecting the movement of the scanning bed.

[0050] In this example, the first transceiver module 10 can be connected to the data acquisition module of the detector on the rotating part to obtain the scanning data collected by the detector from the data acquisition module, that is, the data to be transmitted; in an optional implementation method, a data acquisition module can be arranged between the first transceiver module 10 and the detector, such as a data acquisition board (Printed Circuit Board Assembly, PCBA), which is connected to the detector for receiving the scanning data collected by the detector and transmitting the data to the first transceiver module 10, so that the first transceiver module 10 can send the scanning data to the second transceiver module 20.

[0051] Exemplarily, when the first transceiver module 10 includes multiple, the data acquisition module can split the data to be transmitted collected by the detector into multiple data packets, so that the multiple data packets can be transmitted to the second transceiver module 20 through multiple first transceiver modules 10 respectively; based on this, when the second transceiver module 20 receives data packets sent by multiple first transceiver modules 10 respectively, the complete data to be transmitted can be obtained by splicing the multiple data packets.

[0052] Exemplarily, the data acquisition module can also transmit the complete data to be transmitted collected by the detector to the second transceiver module 20 through each first transceiver module 10, so that the second transceiver module 20 can receive the complete data to be transmitted, avoiding data loss during data transmission and improving the accuracy of data transmission.

[0053] For the first transceiver module 10, it can convert the data to be transmitted to obtain a first signal carrying the data to be transmitted, and send the first signal to the second transceiver module 20; optionally, the first signal can be an optical signal, or an electromagnetic wave signal, etc.; that is, the first transceiver module 10 can be a first optical transceiver module, or a first electromagnetic wave transceiver module; accordingly, the second transceiver module 20 can also be a second optical transceiver module, or a second electromagnetic wave transceiver module. It should be noted that the types of the first transceiver module 10 and the second transceiver module 20 should be consistent.

[0054] It should be noted that the data to be transmitted sent outward through the first transceiver module 10 can be the scanned data collected by the detector, or it can be the data after the scanned data collected by the detector is preprocessed by the data acquisition module; optionally, the data preprocessing can include but is not limited to data smoothing, denoising, filtering, correction, reconstruction and other processing operations.

[0055] In addition, for the first transceiver module 10, it can not only send the data collected by the detector to the second transceiver module 20 in the form of a first signal to realize the transmission of scanning data; it can also receive the control signal for the medical imaging device sent by the second transceiver module 20 to realize the transmission of the control signal, thereby realizing the control of the medical imaging device by the external device.

[0056] Exemplarily, the second transceiver module 20 can be connected to an external device to receive control information sent by the external device, and convert the control information to obtain a second signal carrying the control information, and send it to the first transceiver module 20; accordingly, the first transceiver module 10 can also be connected to the controller in the medical imaging device, and send the received second signal to the controller of the medical imaging device to indicate that the controller can control the medical imaging device according to the control information carried in the second signal.

[0057] That is, the first transceiver module 10 may include a first transmitter and a first receiver, and the second transceiver module 20 may include a second transmitter and a second receiver; wherein the first transmitter in the first transceiver module 10 may be connected to the data acquisition module of the detector to obtain the data to be transmitted collected by the detector from the data acquisition module, and convert the data to be transmitted into a first signal and send it to the second transceiver module 20; the second receiver in the second transceiver module 20 receives the first signal, and parses it to obtain the data to be transmitted collected by the detector, and then reconstructs the image according to the data to be transmitted to obtain the corresponding reconstructed image. Exemplarily, the second receiver in the second transceiver module 20 may be connected to the reconstruction host to send the data to be transmitted obtained by parsing the first signal to the reconstruction host, and the reconstruction host performs image reconstruction processing to obtain the reconstructed image.

[0058] In addition, the second transmitter in the second transceiver module 20 can be connected to an external device, obtain control information from the external device, and convert the control information into a second signal and send it to the first transceiver module 10; the first receiver in the first transceiver module 10 receives the second signal and parses it to obtain the control information; the first receiver can be connected to the controller in the medical imaging device, thereby sending the parsed control information to the controller of the medical imaging device to instruct the controller to control the medical imaging device based on the control information.

[0059] Exemplarily, the external device may include a control device disposed in the operating room, through which the user may control the medical imaging device in the scanning room, thereby realizing medical scanning. Exemplarily, the reconstruction host may include a control device located in the operating room, and may also include a local server, a remote server, a cloud server, etc.

[0060] In this embodiment, a data transmission system is proposed, which includes a stationary part and a rotating part that performs rotational coupling in the stationary part, and also includes a first transceiver module and a second transceiver module. The first transceiver module is arranged on the rotating part, and the second transceiver module is located on the rotation axis of the rotating part; wherein the first transceiver module is used to send a first signal to the second transceiver module, and / or to receive a second signal sent by the second transceiver module. That is to say, by adopting the data transmission system proposed in the present application, one end of the signal transmission can be set on the rotating part of the scanning rack of the medical imaging device, and the other end of the signal transmission can be set outside the medical imaging device and located on the rotation axis of the scanning rack of the medical imaging device, so as to form a data transmission path between the medical imaging device and the external device in the form of light waves or electromagnetic waves; not only can the data transmission distance between the medical imaging device end and the external device end be improved, but also the data transmission bandwidth and the data transmission rate can be improved; in addition, by respectively arranging transceiver modules on the medical imaging device and the external device, based on the same data transmission path, not only the transmission of the scanning data of the medical imaging device can be realized, but also the transmission of the control signal of the external device to the medical imaging device can be realized; that is, the use of the data transmission system can realize bidirectional transmission of data, avoid the setting of multiple data transmission paths in the medical imaging device, thereby reducing the construction cost of the data transmission link of the medical imaging device, and at the same time improving the efficiency of bidirectional data transmission.

[0061] In an exemplary embodiment, when light waves or electromagnetic waves are used for data transmission, in order to ensure that the first transceiver module 10 arranged on the rotating part can always point to the second transceiver module 20 on the rotating shaft during the rotation of the rotating part, that is, the light signal or electromagnetic wave signal sent by the first transceiver module 10 needs to be accurately projected to the second transceiver module 20, and the light signal or electromagnetic wave signal sent by the second transceiver module 20 needs to be accurately projected to the first transceiver module 10; then, in this example, for the first transceiver module 10, as shown in Figure 2, the first transceiver module 10 may include a first transceiver component 101 and a first adjustment component 102; wherein the first adjustment component 102 may be arranged on the signal transmission path of the first transceiver component 101, that is, the first adjustment component 102 is arranged between the first transceiver component 101 and the second transceiver module 20.

[0062] The first adjustment component 102 is used to adjust the direction of the first signal and / or the second signal.

[0063] Exemplarily, for the first adjustment component 102, its position can be fixed or adaptively adjusted; that is, during the rotation of the rotating part, the first transceiver component 101 and the first adjustment component 102 both rotate together with the rotating part, and during the rotation, the first adjustment component 102 can be fixed relative to the first transceiver component 101, or can be adjusted in real time, so that after the first adjustment component 102 adjusts the direction of the first signal sent by the first transceiver component 101, the second transceiver module 20 can accurately receive the first signal; and / or, after adjusting the direction of the second signal sent by the second transceiver module 20, the first transceiver component 101 can accurately receive the second signal.

[0064] Exemplarily, when data transmission is performed based on light waves, the first transceiver module 10 may be a first optical signal transceiver module, and the second transceiver module 20 may be a second optical signal transceiver module; when the first transceiver module 10 includes a first transceiver component 101 and a first adjustment component 102, the first transceiver component 101 may be a first optical signal transceiver, and the first adjustment component 102 may be a first optical wedge.

[0065] Exemplarily, when data transmission is performed based on electromagnetic waves, wherein the electromagnetic waves include but are not limited to terahertz, millimeter waves, etc.; when the electromagnetic waves are terahertz, the first transceiver module 10 can be a first terahertz transceiver module, and the second transceiver module 20 can be a second terahertz transceiver module; when the first transceiver module 10 includes a first transceiver component 101 and a first adjustment component 102, the first transceiver component 101 can be a first terahertz transceiver, and the first adjustment component 102 can be a first terahertz deflector.

[0066] Exemplarily, when the electromagnetic wave is a millimeter wave, the first transceiver module 10 may be a first millimeter wave transceiver module, and the second transceiver module 20 may be a second millimeter wave transceiver module; when the first transceiver module 10 includes a first transceiver component 101 and a first adjustment component 102, the first transceiver component 101 may be a first millimeter wave transceiver, and the first adjustment component 102 may be a rotatable first millimeter wave transceiver antenna.

[0067] Exemplarily, in order to ensure the reliability and accuracy of the bidirectional signal transmission path, that is, to ensure that the second transceiver module 20 can accurately receive the first signal sent by the first transceiver module 10, and to ensure that the first transceiver module 10 can accurately receive the second signal sent by the second transceiver module 20; as shown in Figure 3, for the second transceiver module 20, the second transceiver module 20 may include a second transceiver component 201 and a second adjustment component 202; wherein the second adjustment component 202 is arranged on the signal transmission path of the second transceiver component 201, that is, the second adjustment component 202 can be arranged between the first transceiver module 10 and the second transceiver component 201.

[0068] The second adjustment component 202 is used to adjust the direction of the first signal and / or the second signal.

[0069] Exemplarily, for the second adjustment component 202, its position relative to the second transceiver component 201 can be fixed or flexibly adjusted; that is, in the process of the first transceiver module 10 rotating following the rotating part, in order to accurately project the signal emitted by the first transceiver module 10 to the second transceiver component 201, the second adjustment component 202 can adjust the direction of the first signal emitted by the first transceiver module 10 during the rotation process, so that the second transceiver component 201 can accurately receive the first signal emitted by the first transceiver module 10; similarly, the second adjustment component 202 can also adjust the direction of the second signal emitted by the second transceiver component 201, so that the first transceiver module 10 during the rotation process can also accurately receive the second signal emitted by the second transceiver component 201.

[0070] Exemplarily, when data transmission is performed based on optical waves, the first transceiver module 10 may be a first optical signal transceiver module, and the second transceiver module 20 may be a second optical signal transceiver module; when the second transceiver module 20 may include a second transceiver component 201 and a second adjustment component 202, the second transceiver component 201 may be a second optical signal transceiver, and the second adjustment component 202 may be a second optical wedge.

[0071] Exemplarily, when data transmission is performed based on electromagnetic waves and the electromagnetic waves are terahertz, the first transceiver module 10 may be a first terahertz transceiver module, and the second transceiver module 20 may be a second terahertz transceiver module; when the second transceiver module 20 may include a second transceiver component 201 and a second adjustment component 202, the second transceiver component 201 may be a second terahertz transceiver, and the second adjustment component 202 may be a second terahertz deflector.

[0072] Exemplarily, when data transmission is performed based on electromagnetic waves and the electromagnetic waves are millimeter waves, the first transceiver module 10 may be a first millimeter wave transceiver module, and the second transceiver module 20 may be a second millimeter wave transceiver module; when the second transceiver module 20 may include a second transceiver component 201 and a second adjustment component 202, the second transceiver component 201 may be a second millimeter wave transceiver, and the second adjustment component 202 may be a rotatable second millimeter wave transceiver antenna.

[0073] In this example, in order to ensure that the signal path of the first transceiver module on the rotating part always points to the second transceiver module on the external stator, and the signal path of the second transceiver module on the external stator always points to the first transceiver module on the rotating part, so that the second transceiver module can accurately receive the first signal sent by the first transceiver module, and the first transceiver module can accurately receive the second signal sent by the second transceiver module; for the first transceiver module, it can include a first transceiver component and a first adjustment component, and the first adjustment component is set on the signal transmission path of the first transceiver component to adjust the direction of the first signal and / or the second signal; for the second transceiver module, it can include a second transceiver component and a second adjustment component, and the second adjustment component is set on the signal transmission path of the second transceiver component to adjust the direction of the first signal and / or the second signal; thereby ensuring the reliability and accuracy of bidirectional signal transmission.

[0074] In an exemplary embodiment, as shown in FIG4, when the first transceiver module 10 includes a first transceiver component 101 and a first adjustment component 102, the first adjustment component 102 may further include a first adjustment unit 1021 and / or a second adjustment unit 1022, wherein the first adjustment unit 1021 is disposed on the signal transmission path of the first transceiver component 101, and the second adjustment unit 1022 is disposed on the signal reception path of the first transceiver component 101. On this basis, the first adjustment unit 1021 is used to adjust the direction of the first signal; and the second adjustment unit 1022 is used to adjust the direction of the second signal.

[0075] That is to say, on one side of the rotating part, different signal adjustment units are respectively set for the sending path of the scanning data and the receiving path of the control signal; when the first transceiver component 101 sends a first signal, the first signal is transmitted to the second transceiver module 20 after the direction is adjusted by the first adjustment unit 1021 on the signal sending path; when the first transceiver component 101 receives a second signal, the second signal sent by the second transceiver module 20 is transmitted to the first transceiver component 101 in the first transceiver module 10 after the direction is adjusted by the second adjustment unit 1022 on the signal receiving path in the first transceiver module 10.

[0076] Exemplarily, the adjustment unit adjusting the signal direction may include changing the transmission direction of the signal, or may include not changing the transmission direction of the signal; that is, the adjustment unit may adjust the direction of the input signal so that the direction of the output signal is different from that of the input signal; or may not adjust the direction of the input signal, that is, maintain the transmission direction of the input signal so that the direction of the output signal is the same as that of the input signal.

[0077] Exemplarily, for the first adjustment unit 1021, it may not change the transmission direction of the first signal, so that the first signal emitted by the first transceiver component 101 is transmitted to the second transceiver module 20 after passing through the first adjustment unit 1021; for the second adjustment unit 1022, it may change the transmission direction of the second signal, so that the second signal emitted by the second transceiver module 20 is converged to the first transceiver component 101 after passing through the second adjustment unit 1022, so that the first transceiver component 101 can accurately receive the second signal.

[0078] Exemplarily, when the first adjustment component 102 is a first optical wedge, the first adjustment unit 1021 can be a planar optical wedge, that is, it does not change the light direction of the first signal; the second adjustment unit 1022 can be a focusing optical wedge, that is, it gathers the light of the second signal together, so that the first transceiver component 101 receives the complete second signal.

[0079] Exemplarily, as shown in Fig. 5, in the case where the second transceiver module 20 includes a second transceiver component 201 and a second adjustment component 202, the second adjustment component 202 may further include a third adjustment unit 2021 and a fourth adjustment unit 2022, wherein the third adjustment unit 2021 is disposed on the signal receiving path of the second transceiver component 201, and the fourth adjustment unit 2022 is disposed on the signal sending path of the second transceiver component 201. On this basis, the third adjustment unit 2021 is used to adjust the direction of the first signal; and the fourth adjustment unit 2022 is used to adjust the direction of the second signal.

[0080] That is to say, on the external stator side, different signal adjustment units are respectively set for the receiving path of the scanning data and the sending path of the control signal; when the second transceiver component 201 receives the first signal, the first signal sent by the first transceiver module 10 is transmitted to the second transceiver component 201 in the second transceiver module 20 after the direction is adjusted by the third adjustment unit 2021 on the signal receiving path in the second transceiver module 20; when the second transceiver component 201 sends the second signal, the second signal is transmitted to the first transceiver module 10 after the direction is adjusted by the fourth adjustment unit 2022 on the signal sending path.

[0081] Similarly, the adjustment unit may adjust the signal direction by changing the transmission direction of the signal, or not changing the transmission direction of the signal; illustratively, for the third adjustment unit 2021, it may change the transmission direction of the first signal, so that the first signal emitted by the first transceiver component 101 is converged to the second transceiver component 201 after passing through the third adjustment unit 2021, so that the second transceiver component 201 can accurately receive the first signal; for the fourth adjustment unit 2022, it may not change the transmission direction of the second signal, so that the second signal emitted by the second transceiver module 20 is transmitted to the first transceiver module 10 after passing through the fourth adjustment unit 2022.

[0082] Exemplarily, when the second adjustment component 202 is a second optical wedge, the third adjustment unit 2021 can be a focusing optical wedge, that is, it gathers the light of the first signal together so that the second transceiver component 201 receives the complete first signal; the fourth adjustment unit 2022 can be a planar optical wedge, that is, it does not change the light direction of the second signal.

[0083] In this embodiment, on the one hand, distinguished from the signal sending path and the signal receiving path on the rotating part side, the first adjustment component may include a first adjustment unit and a second adjustment unit, wherein the first adjustment unit is arranged on the signal sending path of the first transceiver component, and is used to adjust the direction of the first signal sent by the first transceiver component; the second adjustment unit is arranged on the signal receiving path of the first transceiver component, and is used to adjust the direction of the second signal to be received by the first transceiver component; on the other hand, distinguished from the signal receiving path and the signal sending path on the external stator side, the second adjustment component includes a third adjustment unit and a fourth adjustment unit, wherein the third adjustment unit is arranged on the signal receiving path of the second transceiver component, and is used to adjust the direction of the first signal to be received by the second transceiver component; the fourth adjustment unit is arranged on the signal sending path of the second transceiver component, and is used to adjust the direction of the second signal sent by the second transceiver component; adopting this data transmission system, the reliability and accuracy of two-way signal transmission can be improved.

[0084] In an exemplary embodiment, in combination with Figures 2 and 3 above, the first transceiver module 10 may include a first transceiver component 101 and a first adjustment component 102, and the second transceiver module 20 may include a second transceiver component 201 and a second adjustment component 202; wherein the first adjustment component 102 is arranged between the first transceiver component 101 and the second adjustment component 202, and is located on a side close to the first transceiver component 101; the second adjustment component 202 is arranged between the first adjustment component 102 and the second transceiver component 201, and is located on a side close to the second transceiver component 201.

[0085] The first adjustment component 102 may be used to adjust the direction of the first signal and / or the second signal, and the second adjustment component 202 may be used to adjust the direction of the first signal and / or the second signal.

[0086] In an optional implementation, the first adjustment component 102 can be used to adjust the direction of the second signal sent by the second transceiver component 201, and the second adjustment component 202 can be used to adjust the direction of the first signal sent by the first transceiver component 101; that is, when the first transceiver component 101 sends a first signal to the second transceiver component 201, the first adjustment component 102 does not adjust the direction of the first signal, and the direction of the first signal is adjusted by the second adjustment component 202 and then transmitted to the second transceiver component 201, so that the second transceiver component 201 can accurately receive the first signal; when the second transceiver component 201 sends a second signal to the first transceiver component 101, the second adjustment component 202 does not adjust the direction of the second signal, and the direction of the second signal is adjusted by the first adjustment component 102 and then transmitted to the first transceiver component 101, so that the first transceiver component 101 can accurately receive the second signal.

[0087] Exemplarily, the first adjustment component 102 may include a first adjustment unit 1021 arranged in a signal transmission path and a second adjustment unit 1022 arranged in a signal receiving path, and the second adjustment component 202 may include a third adjustment unit 2021 arranged in the signal receiving path and a fourth adjustment unit 2022 arranged in the signal transmission path; wherein, the first adjustment unit 1021 may not adjust the direction of the first signal sent by the first transceiver component 101, but adjust the direction of the first signal sent by the first transceiver component 101 through the third adjustment unit 2021, so that the second transceiver component 201 can completely and accurately receive the first signal sent by the first transceiver component 101; the fourth adjustment unit 2022 may not adjust the direction of the second signal sent by the second transceiver component 201, but adjust the direction of the second signal sent by the second transceiver component 201 through the second adjustment unit 1022, so that the first transceiver component 101 can completely and accurately receive the second signal sent by the second transceiver component 201.

[0088] The data transmission system in this embodiment can ensure that the first transceiver module on the rotating part accurately receives the second signal sent by the second transceiver module on the stator, and the second transceiver module on the stator accurately receives the first signal sent by the first transceiver module on the rotating part, thereby improving the reliability and accuracy of two-way signal transmission while realizing two-way signal transmission.

[0089] In an exemplary embodiment, as shown in Figure 6, the above-mentioned data transmission system may also include a controller 30, which is connected to the second transceiver module 20; wherein the controller 30 is used to adjust the signal receiving range of the second transceiver module 20 when it is detected that the power of the first signal is less than or equal to a preset power threshold.

[0090] Exemplarily, the controller 30 can be arranged at the same position as the second transceiver module, or at a different position; the controller 30 can be connected to the second transceiver module 20 by wired, wireless, or other means to achieve data transmission. Exemplarily, when the controller 30 detects the power of the first signal, it can obtain the power of the first signal by detecting the first signal passing through the second adjustment component 202 in the second transceiver module 20; it can also obtain the power of the first signal by checking the first signal collected by the second transceiver component 201 in the second transceiver module 20; of course, it is also possible to obtain the power of the first signal by detecting the power of the first signal received by the second adjustment component 202. The power detection method of the first signal is not limited in the embodiment of the present application.

[0091] Exemplarily, when the controller 30 detects the power of the first signal and determines that the power of the first signal is less than or equal to the preset power threshold, the signal receiving range of the second transceiver module 20 can be adjusted. Exemplarily, the controller 30 can send an adjustment instruction to the second transceiver module 20 to instruct the second transceiver module 20 to adjust its own signal receiving range; the controller 30 can also directly control the second transceiver module 20 and adjust the signal receiving range of the second transceiver module 20.

[0092] Among them, the preset power threshold can be related to the rated conversion power of the second transceiver module 20 itself. Usually, when the power of the first signal received by the second transceiver module 20 is greater than or equal to its own rated conversion power, the second transceiver module 20 can restore the complete scan data based on the received first signal; otherwise, the complete scan data cannot be restored, resulting in data loss. The preset power threshold can be equal to the rated conversion power or greater than the rated conversion power. In addition, the device selection of the second transceiver module 20, that is, the rated conversion power of the second transceiver module 20, is related to the data transmission bandwidth. The data transmission bandwidth is proportional to the rated conversion power of the second transceiver module 20. In actual applications, according to the required data transmission bandwidth, a second transceiver module 20 that can meet the data transmission bandwidth requirements can be selected to transmit the scan data.

[0093] For example, in actual applications, if there is no second transceiver module 20 that meets the data transmission bandwidth requirements, data transmission with a higher bandwidth can be achieved by increasing the transmission power of the first transceiver module 10, or reducing the loss rate of signal transmission. In addition, when the data transmission bandwidth is higher, the pulse frequency of the photoelectric converter in the first transceiver module 10 is greater, and the corresponding data transmission rate is faster.

[0094] Exemplarily, the controller 30 can adjust the signal receiving range of the second transceiver module 20 by adjusting the second adjustment component 202 in the second transceiver module 20; for example: the position and / or direction of the second adjustment component 202 can be adjusted to increase the signal receiving range of the second adjustment component 202 to improve the signal power of the first signal received by the second transceiver component 201.

[0095] Exemplarily, when adjusting the position and / or direction of the second adjustment component 202, the second adjustment component 202 may be disposed on an adjustment device, and the adjustment device may include but is not limited to a pan / tilt head, etc.; the controller 30 may control the adjustment device to move according to a preset adjustment strategy to change the position and / or direction of the second adjustment component 202. The preset adjustment strategy may include at least one of a position movement direction, a position movement distance, a rotation direction, and a rotation angle.

[0096] It should be noted that the controller 30 can adjust the second adjustment component 202 at least once according to the preset adjustment strategy, and after each adjustment, the power of the adjusted first signal can be re-detected until the power of the first signal is greater than or equal to the preset power threshold.

[0097] For example, before the medical imaging device is produced or an image scan is performed, a pre-test can be performed to detect whether the power of the first signal received by the second transceiver module meets the power requirements, that is, whether the power of the first signal is greater than or equal to a preset power threshold; if the power requirements are met, the image scan can be performed normally; if the power requirements are not met, the signal receiving range of the second transceiver module can be adjusted to increase the power of the first signal received by the second transceiver module to ensure stable transmission of the scan data.

[0098] For example, during the image scanning process, the power of the first signal received by the second transceiver module can also be detected in real time. If it is detected that the power of the first signal received by the second transceiver module is less than the preset power threshold, it can be considered that the second transceiver module is unable to completely receive the scanning data sent by the first transceiver module, or the scanning data received by the second transceiver module is incomplete; in this case, the current scan can be stopped, and the second transceiver module can be adjusted and corrected to ensure that the power of the first signal received by the second transceiver module meets the power requirement before re-scanning the image. This method can avoid the patient discovering that the image scanning data is missing after a complete image scan, resulting in the patient receiving too much radiation; in addition, if it is found that the scanning data received by the stator is incomplete during the scanning process and the current scan is terminated in time, the second transceiver module on the stator can be adjusted or corrected at the first time, and the image scan can be performed again after the adjustment, thereby shortening the duration of the entire image scan and improving the image scanning efficiency.

[0099] In an exemplary embodiment, as shown in Figure 7, the above-mentioned data transmission system may also include a power detection device 40, which is respectively connected to the second transceiver module 20 and the controller 30; wherein, the power detection device 40 can be used to detect the power information of the first signal received by the second transceiver module, and send the power information to the controller 30.

[0100] Exemplarily, the controller 30 may detect the power of the first signal by detecting the power of the first signal received by the second transceiver module through a power detection device 40 to obtain power information of the first signal, so that the controller 30 can obtain the power information of the first signal from the power detection device 40; wherein the power information of the first signal may include the power value of the first signal received by the second transceiver module at at least one moment; further, the controller 30 may judge the relationship between the power value of the first signal and a preset power threshold, so as to adjust the signal receiving range of the second transceiver module when it is determined that the power of the first signal is less than the preset power threshold.

[0101] Exemplarily, when the second transceiver module includes a second transceiver component and a second adjustment component, the power detection device 40 can be connected to the second transceiver component to detect the power of the first signal received by the second transceiver component. Alternatively, the power detection device 40 can also detect the power of the first signal received by the second adjustment component, thereby obtaining power information of the first signal.

[0102] It should be noted that the power detection device 40 may include but is not limited to a power detector, a power detection device, a power detection module, etc. of any form or structure, and the type and structure of the power detection device 40 are not limited in the embodiments of the present application.

[0103] Exemplarily, when the power information of the first signal includes the power values ​​of the first signal at multiple moments, the way in which the controller 30 adjusts the signal receiving range of the second transceiver module may include: when the controller 30 determines that the power value of the first signal at the current moment is less than a preset power threshold, adjusting the signal receiving range of the second transceiver module; or, when the controller 30 determines that the power values ​​of the first signal at a preset number of moments are all less than the preset power threshold, adjusting the signal receiving range of the second transceiver module. Adjusting the signal receiving range of the second transceiver module may include adjusting the position and / or direction of the second adjustment component in the second transceiver module to adjust the signal receiving range of the second adjustment component, thereby increasing the signal power of the first signal received by the second transceiver component.

[0104] Exemplarily, when the second adjustment component is an optical wedge, the position and / or direction of the optical wedge can be adjusted so that more first (optical) signals can be irradiated into the central area of ​​the optical wedge to improve the focusing effect of the first (optical) signal, thereby improving the signal power of the first (optical) signal received by the second transceiver component.

[0105] For example, if the power of the first signal is less than a preset power threshold during the image scanning process, an optional implementation method can quickly adjust the signal receiving range of the second transceiver module without stopping (continuing the current scan), and if the power of the first signal after adjustment is greater than or equal to the preset power threshold, the subsequent scanning and data transmission process can continue; if the power of the first signal after adjustment is still less than the preset power threshold, the data transmission system can be stopped for inspection and correction. Among them, quickly adjusting the signal receiving range of the second transceiver module can include using a preset adjustment strategy to adjust the signal receiving range of the second transceiver module at least once.

[0106] For example, during the image scanning process, if the power of the first signal is less than a preset power threshold, the current scan may be terminated immediately, and the system may be shut down for inspection and correction of the data transmission system so that the image scan may be performed again when the data transmission system returns to normal.

[0107] In this embodiment, a power detection device is provided at the stator end to detect the power of the first signal received by the second transceiver module, so that the reliability and stability of data transmission can be monitored in real time during the medical image scanning process, and the data transmission system can be corrected in time when data transmission abnormalities occur; this can not only improve the reliability of data transmission, but also prevent users from being affected by more radiation, thereby improving the scanning efficiency.

[0108] In an exemplary embodiment, as shown in Figure 8, the above-mentioned data transmission system may also include a vibration detection device 50, which is respectively connected to the rotating part and the controller 30; wherein the vibration detection device 50 is used to detect the vibration information of the rotating part and send the vibration information to the controller 30; the controller 30 is also used to adjust the signal receiving range of the second transceiver module according to the vibration information.

[0109] Among them, the first transceiver module is arranged on the rotating frame of the medical imaging device, that is, the rotating part, so that the first transceiver module can rotate with the rotating part; during the rotation process, the frame will inevitably shake, causing the first transceiver module to also shake; when the first transceiver module shakes, the first (light) signal emitted by the first transceiver module may not be accurately irradiated within the light signal receiving range of the second transceiver module (such as the central area of ​​the optical wedge), resulting in the power of the first (light) signal received by the first transceiver module fluctuating. The power fluctuation of the first (light) signal will not only cause unstable data transmission, but also may cause the power to be less than the preset power threshold, resulting in incomplete data analysis, and then the serious problem of data loss.

[0110] Based on this, in the embodiment of the present application, a vibration detection device 50 is provided on the rotating part side so that the controller 30 on the stator side can adjust the signal receiving range of the second transceiver module on the stator side in real time according to the vibration information of the rotating part, so that the second transceiver module can follow the first transceiver module to perform the same vibration, thereby achieving vibration elimination between the two, that is, achieving relative stillness between the second transceiver module and the first transceiver module, thereby ensuring that the first (light) signal emitted by the first transceiver module can always be accurately irradiated within the signal receiving range of the second transceiver module, thereby ensuring that the power of the first (light) signal received by the second transceiver module can meet certain stability requirements, thereby improving the stability and reliability of data transmission.

[0111] Exemplarily, when the second transceiver module includes a second transceiver component and a second adjustment component, the second adjustment component can be arranged on an adjustment platform, such as a gimbal, and the controller 30 can adjust the adjustment platform where the second adjustment component is located in real time according to the vibration information of the rotating part received, so as to achieve vibration elimination. Among them, since the first transceiver module is arranged on the rotating part, the vibration information of the rotating part can be used to characterize the vibration information of the first transceiver module; in addition, the vibration information of the rotating part is collected instead of the vibration information of the first transceiver module, and the vibration collection device can be fixedly and statically installed at a preset position of the rotating part, without rotating with the rotating part, which can effectively avoid the influence of the self-vibration occurring during the rotation process, improve the accuracy of the vibration information, so as to improve the control accuracy of the vibration elimination, and further improve the stability of data transmission.

[0112] In this embodiment, a vibration detection device is provided on the rotating part side to collect vibration information of the first transceiver module during the rotation process, and then the signal receiving range of the second transceiver module is adjusted according to the vibration information. In this way, in the presence of vibration, the first signal emitted by the first transceiver module can always be within the effective signal receiving range of the second transceiver module, thereby eliminating vibration, thereby ensuring the stability and reliability of the first signal received by the second transceiver module and improving data transmission efficiency.

[0113] In an exemplary embodiment, taking optical signal transmission as an example, a data transmission system is provided, as shown in FIG9 ; wherein a first optical transceiver (including an optical transmitter STA-A) is disposed on a slip ring rotating portion in a rack of a medical imaging device, and a second optical transceiver (including an optical transmitter STA-B) is disposed outside the rack and on the rotation axis of the rack; in addition, on the optical transmission path, on the rotating portion side, a rotatable optical wedge A is disposed on a side of the first optical transceiver close to the second optical transceiver, and on the stator side, a rotatable optical wedge B is disposed on a side of the second optical transceiver close to the first optical transceiver.

[0114] After the first optical transceiver in the rotating part performs electrical / optical conversion on the received scanning data, the optical transmitter (STA-A) in the first optical transceiver sends out a high-power first optical signal. After passing through the rotatable optical wedge A and the rotatable optical wedge B, the first optical signal converges within the signal receiving range of the optical receiver in the second optical transceiver, so that the optical receiver in the second optical transceiver receives the first optical signal, and the scanning data is obtained through analysis.

[0115] After the second optical transceiver on the stator outside the rack performs electrical / optical conversion on the received control information, the optical transmitter (STA-B) in the second optical transceiver sends out a high-power second optical signal. After passing through the rotatable optical wedge B and the rotatable optical wedge A, the second optical signal converges within the signal receiving range of the optical receiver in the first optical transceiver, so that the optical receiver in the first optical transceiver receives the second optical signal, and then obtains the control information through analysis.

[0116] Wherein, for the first optical signal, the rotatable optical wedge A may or may not converge the first optical signal, and the rotatable optical wedge B may converge the optical path of the first optical signal so that the first optical signal can converge on the optical receiver of the second optical transceiver. For the second optical signal, the rotatable optical wedge B may or may not converge the second optical signal, and the rotatable optical wedge A may converge the optical path of the second optical signal so that the second optical signal can converge on the optical receiver of the first optical transceiver.

[0117] Exemplarily, as shown in FIG10 , since the rotating part generates vibration during rotation, the optical path cannot ideally converge at one point. Therefore, a vibration detection device can be provided on the stator in the frame to collect vibration information of the rotating part, and send the vibration information to the controller 30 outside the frame in real time; so that the controller 30 can adjust the rotatable optical wedge, such as optical wedge B, according to the vibration information of the rotating part, thereby achieving vibration elimination, so that the rotatable optical wedge B can re-converge the optical path shifted by the vibration, so that the optical path of the first optical signal emitted by the first optical transceiver on the rotating part during the scanning process is always converged within the signal receiving range of the optical receiver of the second optical transceiver, thereby ensuring the stability of data transmission.

[0118] Exemplarily, referring to FIG. 10 , in order to ensure the reliability of scanning data transmission, a power detection device may be provided at the data receiving end outside the rack to collect power information of the first optical signal received by the second optical transceiver. The controller 30 may fine-tune the rotatable optical wedge B according to the power information to ensure the stability of the receiving power at the receiving end, thereby ensuring the stability of the transmission rate. In addition, by detecting the receiving power, the scanning may be terminated in time when an abnormality or failure occurs in the data transmission system, and the data transmission system may be repaired and corrected as soon as possible.

[0119] It should be noted that, due to the reversibility of the optical path, when one of the rotatable optical wedges is adjusted so that the transmission of one optical signal meets the transmission requirement, the other optical signal can also meet the transmission requirement.

[0120] For example, when adjusting the optical wedge, only the rotatable optical wedge A on the rotating part side may be adjusted, or only the rotatable optical wedge B on the stator side outside the frame may be adjusted, or both the rotatable optical wedge A and the rotatable optical wedge B may be adjusted at the same time; this is not limited to the embodiments of the present application.

[0121] Exemplarily, when data transmission is performed based on electromagnetic waves, the electromagnetic waves can be terahertz or millimeter waves; for example, referring to FIG11 , a terahertz-based data transmission system is shown, which includes a terahertz transceiver and a terahertz deflector on a rotating part inside a frame, and a terahertz deflector and a terahertz transceiver on a stator outside a frame; referring to FIG12 , a millimeter-wave-based data transmission system is shown, which includes a millimeter-wave transceiver and a rotatable millimeter-wave transceiver antenna on a rotating part inside a frame, and a rotatable millimeter-wave transceiver antenna and a millimeter-wave transceiver on a stator outside a frame.

[0122] It should be noted that the number of the first transceiver modules on the rotating part can be one or more. When multiple first transceiver modules are provided on the rotating part, the multiple first transceiver modules can be provided on the rotating part at equal intervals or at unequal intervals, and the embodiment of the present application does not limit this. In addition, the data transmission system proposed in the embodiment of the present application can realize unidirectional data transmission or bidirectional data transmission, and can be flexibly configured according to the use requirements in actual use.

[0123] Compared with the traditional carbon brush slip ring method and capacitive coupling method, the data transmission system proposed in the embodiment of the present application innovatively places the receiver outside the frame, and uses the transmitter on the rotating part to send the data collected in the rotating part along the end face (axial direction) of the rotating part to the receiving end outside the frame without increasing the internal size of the existing frame; that is, the transmitter is integrated and installed on the end face of the rotating part, and its transmission path converges at one point in a cone shape during the rotation of the rotating part; because the stator end receiver outside the frame is not integrated inside the frame, the receiver can be effectively prevented from vibrating with the frame, and the signal power stability received by the receiver can be improved. The use of this data transmission system can effectively improve the transmission distance, bandwidth and anti-interference ability of the slip ring signal, and can avoid the limitation of the processing size of the traditional slip ring antenna by the aperture size of the rotating part, so that the aperture size of the rotating part no longer affects the bandwidth of the slip ring, and can effectively meet the large aperture requirements.

[0124] In an exemplary embodiment, a medical imaging device is provided, which may include the data transmission system of any of the above embodiments; based on this, when performing medical image scanning, on the one hand, the scanning data collected by the detector in the medical imaging device can be transmitted to the outside through the data transmission system, and on the other hand, the external control signal can also be transmitted to the medical imaging device to achieve two-way data transmission; the use of the data transmission system proposed in the embodiment of the present application can not only increase the data transmission distance between the medical imaging device end and the external device end, but also increase the data transmission bandwidth and the data transmission rate; in addition, the use of the data transmission system can achieve two-way data transmission, which can avoid setting up multiple data transmission paths in the medical imaging device, thereby reducing the construction cost of the data transmission link of the medical imaging device, and at the same time can improve the efficiency of two-way data transmission.

[0125] The technical features of the above embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0126] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. A data transmission system, comprising a stationary part and a rotating part that is rotationally coupled in the stationary part, characterized in that: The system further comprises: a first transceiver module (10) and a second transceiver module (20), wherein the first transceiver module (10) is arranged on the rotating part, and the second transceiver module (20) is located on the rotation axis of the rotating part; The first transceiver module (10) is used to send a first signal to the second transceiver module (20), and / or to receive a second signal sent by the second transceiver module (20).

2. The data transmission system according to claim 1, characterized in that: The first transceiver module (10) comprises a first transceiver component (101) and a first adjustment component (102); the first adjustment component (102) is arranged on a signal transmission path of the first transceiver component (101); the first adjustment component (102) is used to adjust the direction of the first signal and / or the second signal; The second transceiver module (20) comprises a second transceiver component (201) and a second adjustment component (202); the second adjustment component (202) is arranged on a signal transmission path of the second transceiver component (201); the second adjustment component (202) is used to adjust the direction of the first signal and / or the second signal.

3. The data transmission system according to claim 2, characterized in that: The first transceiver component (101) is a first optical signal transceiver, and the first adjustment component (102) is a first optical wedge; The second transceiver component (201) is a second optical signal transceiver, and the second adjustment component (202) is a second optical wedge.

4. The data transmission system according to claim 2 or 3, characterized in that: The first adjustment component (102) comprises a first adjustment unit (1021) and / or a second adjustment unit (1022), the first adjustment unit (1021) being arranged on a signal transmission path of the first transceiver component (101), and the second adjustment unit (1022) being arranged on a signal reception path of the first transceiver component (101); the first adjustment unit (1021) being used to adjust a direction of the first signal; and the second adjustment unit (1022) being used to adjust a direction of the second signal; The second adjustment component (202) comprises a third adjustment unit (2021) and a fourth adjustment unit (2022), wherein the third adjustment unit (2021) is arranged on the signal receiving path of the second transceiver component (201), and the fourth adjustment unit (2022) is arranged on the signal sending path of the second transceiver component (201); the third adjustment unit (2021) is used to adjust the direction of the first signal; and the fourth adjustment unit (2022) is used to adjust the direction of the second signal.

5. The data transmission system according to claim 4, characterized in that: The first adjustment unit (1021) is a plane light wedge, and the second adjustment unit (1022) is a focusing light wedge; The third adjustment unit (2021) is a focusing wedge, and the fourth adjustment unit (2022) is a planar wedge.

6. The data transmission system according to claim 1, characterized in that: The first transceiver module (10) is a first optical transceiver module, and the second transceiver module (20) is a second optical transceiver module; or, The first transceiver module (10) is a first electromagnetic wave transceiver module, and the second transceiver module (20) is a second electromagnetic wave transceiver module.

7. The data transmission system according to claim 1, characterized in that: The system further comprises: a controller (30), the controller (30) being connected to the second transceiver module (20); The controller (30) is used to adjust the signal receiving range of the second transceiver module (20) when it is detected that the power of the first signal is less than or equal to a preset power threshold.

8. The data transmission system according to claim 7, characterized in that: The system further comprises: a power detection device (40), wherein the power detection device (40) is connected to the second transceiver module (20) and the controller (30) respectively; The power detection device (40) is used to detect power information of the first signal received by the second transceiver module (20), and send the power information to the controller (30).

9. The data transmission system according to claim 7, characterized in that: The system further comprises: a vibration detection device (50), wherein the vibration detection device (50) is connected to the rotating part and the controller (30) respectively; Wherein, the vibration detection device (50) is used to detect vibration information of the rotating part and send the vibration information to the controller (30); The controller (30) is further used to adjust the signal receiving range of the second transceiver module (20) according to the vibration information.

10. A medical imaging device, characterized in that: The medical imaging device comprises a data transmission system as claimed in any one of claims 1 to 9.

Images