A vehicle-mounted magnetic resonance radio frequency grounding system

Abstract

The application discloses a kind of vehicle-mounted magnetic resonance radio frequency ground systems, including control cabinet, waveguide plate and radio frequency coil, the control cabinet, waveguide plate and radio frequency coil are connected in series by wire in proper order, radio frequency ground system is arranged between the waveguide plate and radio frequency coil, the radio frequency ground system is wirelessly transmitted with online management platform, data receiving port and data transmission port are respectively arranged on the two sides of the radio frequency ground system, the waveguide plate transmits the radio frequency signal of radio frequency coil to control cabinet, while control cabinet transmits the feedback radio frequency signal to radio frequency coil by waveguide plate;With separate radio frequency ground system, the matching parameter of radio frequency load can be dynamically adjusted, the effective transmission of radio frequency signal can be realized, interference can be suppressed, reflection can be reduced, and the imaging effect is greatly improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of magnetic resonance radio frequency grounding devices, and particularly relates to a vehicle-mounted magnetic resonance radio frequency grounding system. BACKGROUND

[0002] The high-strength magnetic field superconducting nuclear magnetic resonance instrument is highly welcomed by the clinic and the public due to its high-definition image, multi-directional thin layer scanning, high diagnosis rate for difficult diseases, no pain and no damage to the human body, etc.

[0003] The existing magnetic resonance radio frequency grounding system is usually fixedly installed in use, however, the fixedly installed magnetic resonance system does not have an independent radio frequency grounding system, and the radio frequency signal will have a certain loss at the waveguide plate, thereby affecting the imaging effect, therefore, seeking a stable radio frequency grounding system can greatly improve the transmission efficiency and stability of the signal cable, reduce reflection, and provide a guarantee for the system to obtain good radio frequency signals, and meanwhile, the radio frequency signal in the fixedly installed magnetic resonance system is transmitted through the radio frequency cable, and is connected through the radio frequency connection terminal at the waveguide plate, so that energy loss is inevitable at the connection, and the characteristic matching parameters will also change, therefore, there is a certain improvement space. SUMMARY

[0004] The application aims to provide a vehicle-mounted magnetic resonance radio frequency grounding system to solve the problems that the existing magnetic resonance radio frequency grounding system is usually fixedly installed in use, however, the fixedly installed magnetic resonance system does not have an independent radio frequency grounding system, and the radio frequency signal will have a certain loss at the waveguide plate, thereby affecting the imaging effect, therefore, seeking a stable radio frequency grounding system can greatly improve the transmission efficiency and stability of the signal cable, reduce reflection, and provide a guarantee for the system to obtain good radio frequency signals, and meanwhile, the radio frequency signal in the fixedly installed magnetic resonance system is transmitted through the radio frequency cable, and is connected through the radio frequency connection terminal at the waveguide plate, so that energy loss is inevitable at the connection, and the characteristic matching parameters will also change.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a vehicle-mounted magnetic resonance radio frequency grounding system, comprising a control cabinet, a waveguide plate and a radio frequency coil, the control cabinet, the waveguide plate and the radio frequency coil are connected in series through wires, a radio frequency grounding system is arranged between the waveguide plate and the radio frequency coil, the radio frequency grounding system is wirelessly connected with an online management platform, and a data receiving port and a data transmission port are arranged on the two sides of the radio frequency grounding system.

[0006] Preferably, the waveguide plate transmits the radio frequency signal of the radio frequency coil to the control cabinet, and the control cabinet transmits the feedback radio frequency signal to the radio frequency coil through the waveguide plate.

[0007] Preferably, the interior of the control cabinet comprises a radio frequency signal receiving device and a radio frequency signal transmitting device, and both devices are connected with the waveguide plate.

[0008] Preferably, a transmission line for transmitting radio frequency signals is connected between the waveguide plate and the radio frequency coil, and the transmission line for receiving feedback signals of the waveguide plate is also provided.

[0009] Preferably, the radio frequency grounding system is installed on the transmission line for inputting radio frequency signals of the radio frequency coil, the radio frequency coil is installed on the data receiving port of the radio frequency grounding system through the transmission line, and the data transmission port of the radio frequency grounding system is connected with the waveguide plate through the transmission line, and the three are connected in series.

[0010] Preferably, the radio frequency grounding system is further provided with an alarm mechanism, which gives voice prompt and alarm when reaching the specified threshold value through the pre-set threshold value.

[0011] Preferably, a plurality of connection ports are arranged at one end of the control cabinet, and the control cabinet is connected with external equipment through the connection ports.

[0012] Preferably, the waveguide plate is a metal member and has a cuboid structure.

[0013] Compared with the prior art, the radio frequency grounding system is adopted, the matching parameters of the radio frequency load can be dynamically adjusted, the effective transmission of the radio frequency signal can be realized, the interference can be suppressed and the reflection can be reduced, and the imaging effect is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a system installation schematic diagram of the present application.

[0015] Figure 2 It is a tuning circuit principle diagram of the radio frequency grounding system of the present application.

[0016] Figure 3 It is a circuit diagram of the control cabinet of the present application.

[0017] Figure 4 It is a circuit diagram of the alarm mechanism of the radio frequency grounding system of the present application.

[0018] Figure 5 It is a circuit diagram of the radio frequency coil decoupling method of the present application. DETAILED DESCRIPTION

[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] Embodiment 1

[0021] Please refer to Figures 1-5 The present application provides a technical solution: a vehicle-mounted magnetic resonance radio frequency grounding system, comprising a control cabinet, a waveguide plate and a radio frequency coil, the control cabinet, the waveguide plate and the radio frequency coil are connected in series through wires, a radio frequency grounding system is arranged between the waveguide plate and the radio frequency coil, the radio frequency grounding system is wirelessly connected with an online management platform, and a data receiving port and a data transmission port are arranged on the two sides of the radio frequency grounding system.

[0022] In the embodiment, preferably, the waveguide plate transmits the radio frequency signal of the radio frequency coil to the control cabinet, and the control cabinet transmits the feedback radio frequency signal to the radio frequency coil through the waveguide plate.

[0023] In the embodiment, preferably, the inside of the control cabinet comprises a radio frequency signal receiving device and a radio frequency signal transmitting device, and the two devices are connected with the waveguide plate.

[0024] In the embodiment, preferably, a transmission line for transmitting the radio frequency signal is connected between the waveguide plate and the radio frequency coil, and the transmission line also receives the feedback signal of the waveguide plate.

[0025] In the embodiment, preferably, the radio frequency grounding system is installed on the transmission line for inputting the radio frequency signal of the radio frequency coil, the radio frequency coil is installed on the data receiving port of the radio frequency grounding system through the transmission line, the data transmission port of the radio frequency grounding system is connected with the waveguide plate through the transmission line, and the three are connected in series. The radio frequency grounding system can be directly operated manually, the matching parameters of the radio frequency load can be dynamically adjusted by using a separate radio frequency grounding system, the effective transmission of the radio frequency signal can be realized, the interference can be suppressed and the reflection can be reduced, and the imaging effect is greatly improved.

[0026] In the embodiment, preferably, a plurality of connection ports are arranged at one end of the control cabinet, and the control cabinet is connected with external equipment through the connection ports.

[0027] In the embodiment, preferably, the waveguide plate is a metal member, and the waveguide plate has a cuboid structure.

[0028] The installation steps of the vehicle-mounted magnetic resonance radio frequency grounding system are as follows:

[0029] Step one: system wiring;

[0030] Step two: install the radio frequency grounding system;

[0031] Step three: test the terminal radio frequency matching parameters;

[0032] Step four: manually adjust the matching tuning circuit in the radio frequency grounding system, and decouple, dynamically adjust the matching parameters of the radio frequency load, realize the optimization of the matching parameters of the radio frequency signal end through the manual adjustment circuit, realize the effective transmission of the radio frequency signal, and can suppress interference;

[0033] Step five: after debugging, carry out scanning test.

[0034] Example 2

[0035] Please refer to Figures 1-5 The application provides a technical scheme: a vehicle-mounted magnetic resonance radio frequency grounding system, a vehicle-mounted magnetic resonance radio frequency grounding system, including a control cabinet, a waveguide plate and a radio frequency coil, the control cabinet, the waveguide plate and the radio frequency coil are connected in series through wires, a radio frequency grounding system is arranged between the waveguide plate and the radio frequency coil, the radio frequency grounding system is wirelessly connected with an online management platform, and the two sides of the radio frequency grounding system are respectively provided with a data receiving port and a data transmission port.

[0036] In this embodiment, preferably, the waveguide plate transmits the radio frequency signal of the radio frequency coil to the control cabinet, and the control cabinet transpires the feedback radio frequency signal to the radio frequency coil through the waveguide plate.

[0037] In this embodiment, preferably, the inside of the control cabinet comprises a radio frequency signal receiving device and a radio frequency signal transmitting device, and the two devices are connected with the waveguide plate.

[0038] In this embodiment, preferably, the waveguide plate and the radio frequency coil are connected with a transmission line for transmitting radio frequency signals, and the transmission line also receives the feedback signal of the waveguide plate.

[0039] In this embodiment, preferably, the radio frequency grounding system is installed on the transmission line of the radio frequency coil inputting radio frequency signals, the radio frequency coil is installed on the data receiving port of the radio frequency grounding system through the transmission line, the data transmission port of the radio frequency grounding system is connected with the waveguide plate through the transmission line, and the three are connected in series. The radio frequency grounding system can be automatically controlled and operated by an external PLC device, the matching parameters of the radio frequency load can be dynamically adjusted by adopting a separate radio frequency grounding system, the effective transmission of the radio frequency signal can be realized, interference can be suppressed, reflection can be reduced, and the imaging effect is greatly improved.

[0040] In this embodiment, preferably, a plurality of connection ports are arranged at one end of the control cabinet, and the control cabinet is connected with external equipment through the connection ports.

[0041] In this embodiment, preferably, the waveguide plate is a metal material member, and the waveguide plate is a cuboid structure

[0042] The installation steps of the vehicle-mounted magnetic resonance radio frequency grounding system are as follows:

[0043] Step one: system connection;

[0044] Step two: install the radio frequency grounding system;

[0045] Step three: test the radio frequency matching parameters of the terminal;

[0046] Step four: adjust the matching tuning circuit in the radio frequency grounding system, and perform decoupling, dynamically adjust the matching parameters of the radio frequency load, and realize the optimization of the matching parameters of the radio frequency signal end through the adjustment circuit, which can realize the effective transmission of the radio frequency signal and can suppress interference;

[0047] Step five: after debugging, perform scanning test.

[0048] Embodiment 3

[0049] Please refer to Figures 1-5 The application provides a technical solution: a vehicle-mounted magnetic resonance radio frequency grounding system, a vehicle-mounted magnetic resonance radio frequency grounding system, including a control cabinet, a waveguide plate and a radio frequency coil, the control cabinet, the waveguide plate and the radio frequency coil are connected in series through wires, a radio frequency grounding system is arranged between the waveguide plate and the radio frequency coil, the radio frequency grounding system is wirelessly connected with an online management platform, and data receiving ports and data transmission ports are arranged on both sides of the radio frequency grounding system.

[0050] In this embodiment, preferably, the waveguide plate transmits the radio frequency signal of the radio frequency coil to the control cabinet, and the control cabinet transmits the feedback radio frequency signal to the radio frequency coil through the waveguide plate.

[0051] In this embodiment, preferably, the control cabinet includes a radio frequency signal receiving device and a radio frequency signal transmitting device, and the two devices are connected with the waveguide plate.

[0052] In this embodiment, preferably, a transmission line for transmitting radio frequency signals is connected between the waveguide plate and the radio frequency coil, and the transmission line also receives feedback signals from the waveguide plate.

[0053] In this embodiment, preferably, the radio frequency grounding system is installed on the transmission line of the radio frequency coil input radio frequency signal, the radio frequency coil is installed on the data receiving port of the radio frequency grounding system through the transmission line, and the data transmission port of the radio frequency grounding system is connected with the waveguide plate through the transmission line, and the three are connected in series, wherein the radio frequency grounding system can be automatically controlled by the external PLC device, the matching parameters of the radio frequency load can be dynamically adjusted by adopting the separate radio frequency grounding system, the effective transmission of the radio frequency signal can be realized, the interference can be suppressed, the reflection can be reduced, and the imaging effect is greatly improved.

[0054] In this embodiment, preferably, the radio frequency grounding system is further provided with an alarm mechanism, which gives a voice prompt and alarm when reaching the specified threshold value through the pre-set threshold value.

[0055] In this embodiment, preferably, one end of the control cabinet is provided with a plurality of connection ports, and the control cabinet is connected with the external device through the connection ports.

[0056] In this embodiment, preferably, the waveguide plate is a metal material member, and the waveguide plate is a cuboid structure.

[0057] Step one: system connection;

[0058] Step two: install the radio frequency grounding system;

[0059] Step three: test the radio frequency matching parameters of the terminal;

[0060] Step four: adjust the matching tuning circuit in the radio frequency grounding system, dynamically adjust the matching parameters of the radio frequency load, realize the optimization of the matching parameters of the radio frequency signal end through the adjusting circuit, realize the effective transmission of the radio frequency signal, and suppress the interference;

[0061] Step five: after debugging, carry out scanning test.

[0062] Embodiment 4

[0063] Please refer to Figures 1-5 The application provides a technical scheme: a vehicle-mounted magnetic resonance radio frequency grounding system, a vehicle-mounted magnetic resonance radio frequency grounding system, including a control cabinet, a waveguide plate and a radio frequency coil, the control cabinet, the waveguide plate and the radio frequency coil are connected in series through wires, a radio frequency grounding system is arranged between the waveguide plate and the radio frequency coil, the radio frequency grounding system is wirelessly connected with an online management platform, and the data receiving port and the data transmission port are arranged on the two sides of the radio frequency grounding system.

[0064] In this embodiment, preferably, the waveguide plate transmits the radio frequency signal of the radio frequency coil to the control cabinet, and the control cabinet transmits the feedback radio frequency signal to the radio frequency coil through the waveguide plate.

[0065] In this embodiment, preferably, the interior of the control cabinet comprises a radio frequency signal receiving device and a radio frequency signal transmitting device, and both devices are connected with the waveguide plate.

[0066] In this embodiment, preferably, a transmission line for transmitting radio frequency signals is connected between the waveguide plate and the radio frequency coil, and the transmission line also receives feedback signals from the waveguide plate.

[0067] In this embodiment, preferably, the radio frequency grounding system is installed on the transmission line through which the radio frequency coil receives radio frequency signals, the radio frequency coil is installed on the data receiving port of the radio frequency grounding system through the transmission line, and the data transmission port of the radio frequency grounding system is connected with the waveguide plate through the transmission line, and the three are connected in series, wherein the radio frequency grounding system can be automatically controlled by an external PLC device, the matching parameters of the radio frequency load can be dynamically adjusted by using a separate radio frequency grounding system, the effective transmission of radio frequency signals can be realized, interference can be suppressed, and reflection can be reduced, thereby greatly improving the imaging effect.

[0068] In this embodiment, preferably, the radio frequency grounding system is further provided with an alarm mechanism, which gives a voice prompt and an alarm when a specified threshold is reached by setting a threshold value in advance, and an online terminal can be externally connected to achieve real-time monitoring of the magnetic resonance radio frequency signals.

[0069] In this embodiment, preferably, a plurality of connection ports are arranged at one end of the control cabinet, and the control cabinet is connected with external devices through the connection ports.

[0070] In this embodiment, preferably, the waveguide plate is a metal member and has a cuboid structure, and the installation steps of the vehicle-mounted magnetic resonance radio frequency grounding system are as follows:

[0071] Step one: system wiring;

[0072] Step two: install the radio frequency grounding system;

[0073] Step three: test the radio frequency matching parameters of the terminal;

[0074] Step four: adjust the matching tuning circuit in the radio frequency grounding system, and perform decoupling, dynamically adjust the matching parameters of the radio frequency load, and realize the optimization of the matching parameters of the radio frequency signal end through the adjustment circuit, so that the effective transmission of the radio frequency signal can be realized, and interference can be suppressed;

[0075] Step five: after debugging, perform scanning test.

[0076] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A vehicle-mounted magnetic resonance radio frequency grounding system, comprising a control cabinet, a waveguide plate, and a radio frequency coil, characterized in that: The control cabinet, waveguide plate and radio frequency coil are sequentially connected in series through wires. A radio frequency grounding system is provided between the waveguide plate and the radio frequency coil. The radio frequency grounding system is wirelessly connected to the online management platform. A data receiving port and a data transmission port are provided on both sides of the radio frequency grounding system. The RF grounding system is installed on the transmission line of the RF coil inputting the RF signal, the RF coil is installed on the data receiving port of the RF grounding system through the transmission line, and the data transmission port of the RF grounding system is connected to the waveguide plate through the transmission line. The three are connected in series. The RF grounding system is also provided with an alarm mechanism. When the threshold value is set in advance and the specified threshold value is reached, a voice prompt and an alarm are issued; The waveguide plate transmits the radio frequency signal of the radio frequency coil to the control cabinet, and the control cabinet transmits the feedback radio frequency signal to the radio frequency coil through the waveguide plate.

2. The vehicle-mounted magnetic resonance radio frequency grounding system according to claim 1, characterized in that: The control cabinet includes a radio frequency signal receiving device and a radio frequency signal transmitting device, and both devices are connected to the waveguide plate.

3. The vehicle-mounted magnetic resonance radio frequency grounding system according to claim 1, characterized in that: A transmission line for transmitting radio frequency signals is connected between the waveguide plate and the radio frequency coil, and a transmission line for receiving feedback signals from the waveguide plate is also provided.

4. The vehicle-mounted magnetic resonance radio frequency grounding system according to claim 1, characterized in that: One end of the control cabinet is provided with a plurality of connection ports, and the control cabinet is connected to external devices through the connection ports.

5. The vehicle-mounted magnetic resonance radio frequency grounding system according to claim 1, characterized in that: The waveguide plate is a metal component and has a rectangular parallelepiped structure.

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