Medical MR equipment data transmission amplifier

Abstract

The invention belongs to the technical field of medical electronics, and discloses a medical MR equipment data transmission amplifier which comprises a radio frequency amplifier lower layer, rollers are installed at the four corners of the bottom end of the radio frequency amplifier lower layer, and two fixed heat dissipation structures are symmetrically and fixedly installed on one end face of the radio frequency amplifier lower layer. A radio frequency amplifier upper layer is hinged to the edge of the top end of the radio frequency amplifier lower layer, a hidden connecting assembly is installed in the radio frequency amplifier upper layer, the hidden connecting assembly comprises a rotating rod rotationally connected to the interior of the radio frequency amplifier upper layer, and driving gears are symmetrically welded to the two ends of the rotating rod; according to the device, the connection mode of external electronic components is designed, so that the problems that an existing radio frequency amplifier generally adopts an integrated design, has fixed functions and is difficult to carry out function extension according to user requirements are solved, a filtering function or a modulation and demodulation function can be added according to requirements, the whole equipment does not need to be replaced, and the flexibility and adaptability of the equipment are improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of medical electronics, and particularly relates to a data transmission amplifier for a medical MR device. Background Art

[0002] A medical magnetic resonance imaging (MRI) device is an important medical imaging device, which is widely used in clinical diagnosis and medical research. The MR device excites hydrogen nuclei in the human body through a radio frequency (RF) signal to generate a magnetic resonance signal, and then generates a high-resolution image through computer processing. The data transmission amplifier plays a key role in the MR device, responsible for amplifying and transmitting the RF signal to the data acquisition system to ensure the stability and accuracy of the signal;

[0003] The basic principle of the MR device is to place the human body in a special magnetic field, and use a radio frequency (RF) pulse to excite hydrogen nuclei in the human body, causing the hydrogen nuclei to resonate and absorb energy. After stopping the RF pulse, the hydrogen nuclei emit signals at a specific frequency, release the absorbed energy, which is received by the RF coil, and an image is obtained after computer processing. The MR device usually consists of parts such as a magnet, a gradient system, an RF system, an image reconstruction processing system, and a water cooling system;

[0004] The data transmission amplifier in the MR device is mainly responsible for amplifying and transmitting the RF signal to the data acquisition system. Specifically, the RF signal generated by the RF system is amplified by the RF amplifier, and then electromagnetic waves are emitted through the RF transmitting coil to excite the tissue of the patient to be scanned. Then, the MR signal in the human tissue is received by the RF receiving coil and transmitted to the RF amplifier for amplification processing, and then sent to the control / data acquisition system;

[0005] Currently, a radio frequency amplifier is used to amplify the transmitted signal. However, during the current use process of the radio frequency amplifier, due to fluctuations in the transmitted signal, different filters, amplifiers, and modems need to be installed to process the signal at this time. The existing radio frequency amplifiers usually adopt an integrated design with fixed functions and are difficult to expand functions according to requirements. If it is necessary to add filtering functions or modulation and demodulation functions, the entire device often needs to be replaced, resulting in the problem of difficult device replacement. Summary of the Invention

[0006] In view of the problem that the existing radio frequency amplifiers usually adopt an integrated design with fixed functions and are difficult to expand functions according to requirements, and if it is necessary to add filtering functions or modulation and demodulation functions, the entire device often needs to be replaced, resulting in the problem of difficult device replacement, the present invention proposes the following technical solutions:

[0007] A medical MR device data transmission amplifier, comprising: a lower layer of a radio frequency amplifier, with rollers installed at four corners of the bottom end of the lower layer of the radio frequency amplifier, two fixed heat dissipation structures symmetrically and fixedly installed on one end face of the lower layer of the radio frequency amplifier, a radio frequency amplifier upper layer hingedly installed at the edge of the top end of the lower layer of the radio frequency amplifier, a hidden connection component installed inside the radio frequency amplifier upper layer, the hidden connection component including a round rod rotatably connected inside the radio frequency amplifier upper layer, driving gears symmetrically welded at both ends of the round rod, an arc-shaped rack meshed and connected to the outside of the driving gears, the arc-shaped rack fixedly installed at the top end of the lower layer of the radio frequency amplifier, and a plug-in slot fixedly installed in the middle of the outer surface of the round rod.

[0008] As a preference of the above technical solution, a slider is slidably connected inside the plug-in slot, a positioning strip is integrally formed at one end of the slider, a driving gear is rotatably connected to one side of the bottom end of the slider, a driven gear is meshed and connected to the outside of the driving gear, a fan blade is fixedly installed at the top end of the driven gear, and a fixed shaft of the fan blade penetrates through the positioning strip and is fixedly connected to the driven gear.

[0009] As a preference of the above technical solution, a plurality of air-permeable holes are opened in the driving gear based on the center point, and the size of the driving gear is larger than the size of the driven gear.

[0010] As a preference of the above technical solution, columns are symmetrically embedded and installed on both sides of the plug-in slot, a rotating rod is rotatably connected to the outside of the columns, and a limiting cover is fixedly installed at one end of the columns.

[0011] As a preference of the above technical solution, one side of the inner wall of the limiting cover is vertical, and the other side of the inner wall of the limiting cover is inclined.

[0012] As a preference of the above technical solution, a guiding groove is opened inside the plug-in slot, a guiding block is integrally formed at the top end of the slider, and the guiding block is slidably connected inside the guiding groove.

[0013] As a preference of the above technical solution, a quick-release maintenance component is installed inside the radio frequency amplifier upper layer, the quick-release maintenance component including a positioning sleeve fixedly installed inside the radio frequency amplifier upper layer, a hollow movable rod vertically movably connected inside the positioning sleeve, a filtering frame fixedly installed on the outer surface top end of the hollow movable rod, and a filtering net fixedly installed inside the filtering frame.

[0014] As a preference of the above technical solution, a piston rod is movably connected inside the hollow movable rod, a metal net is fixedly installed between one ends of the two piston rods, and a cone body is fixedly installed at equal intervals at one end of the metal net.

[0015] Preferably, as the above technical solution, elastic blocks are equidistantly embedded and installed on the outer side of the hollow movable rod, a rubber pad is fixedly installed on the outer side of the elastic block, and the outer side of the rubber pad is in mutual contact with the inner wall of the positioning sleeve.

[0016] The beneficial effects of the present invention are as follows:

[0017] (1) By designing the connection method of external electronic components, the device solves the problems that existing radio frequency amplifiers usually adopt an integrated design, have fixed functions, and are difficult to expand functions according to user needs. It can add filtering functions or modulation and demodulation functions as needed without replacing the entire device, improving the flexibility and adaptability of the device;

[0018] (2) It can effectively solve the interference of dust to external power supply components, thereby facilitating data transmission and further facilitating the filtering inside the radio frequency amplifier.

[0019] (3) It is convenient for personnel to repair the inside along the exposed position on the upper layer of the radio frequency amplifier, changing the existing way of disassembling the shell. This way is more convenient and saves the time required for maintenance;

[0020] (4) The modular design of the lower layer and the upper layer of the radio frequency amplifier makes the device easy to carry, and can significantly reduce the downtime of the device. Moreover, the modular design enables each module to be independently cooled, ensuring its stability during high-power operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Fig. shows the structural schematic diagram of a data transmission amplifier for a medical MR device in Embodiment 1;

[0022] Figure 2 Fig. shows the structural schematic diagram of the upper layer of the radio frequency amplifier in Embodiment 1;

[0023] Figure 3 Fig. shows the structural schematic diagram of the hidden connection component in Embodiment 1;

[0024] Figure 4 Fig. shows Figure 3 the structural schematic diagram of Area A in

[0025] Figure 5 Fig. shows the installation structural schematic diagram of the rotating rod in Embodiment 1;

[0026] Figure 6 Fig. shows the structural schematic diagram of the quick-release maintenance component in Embodiment 1;

[0027] Figure 7 Fig. shows the cross-sectional view of the quick-release maintenance component in Embodiment 1;

[0028] Figure 8 Shown is Figure 7 a schematic structural diagram of area B therein;

[0029] Figure 9 Shown is a schematic installation structure diagram of the rubber pad in Embodiment 1.

[0030] In the figure: 1, the lower layer of the radio frequency amplifier; 2, the roller; 3, the fixed heat dissipation structure; 4, the upper layer of the radio frequency amplifier; 5, the quick-release maintenance component; 51, the positioning sleeve; 52, the hollow movable rod; 53, the filter box; 54, the filter screen; 55, the piston rod; 56, the metal mesh; 57, the cone; 58, the elastic block; 59, the rubber pad; 6, the hidden connection component; 61, the round rod; 62, the driving gear; 63, the arc-shaped rack; 64, the insertion slot; 65, the slider; 66, the driving gear; 67, the driven gear; 68, the fan blade; 69, the positioning strip; 610, the column; 611, the rotating rod; 612, the limiting cover. Detailed implementation manners

[0031] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0032] Embodiment 1

[0033] The present invention provides a medical MR device data transmission amplifier, as Figures 1 to 9 shown, including: the lower layer 1 of the radio frequency amplifier, the lower layer 1 of the radio frequency amplifier is the power supply, rollers 2 are installed at the four corners of the bottom end of the lower layer 1 of the radio frequency amplifier, two fixed heat dissipation structures 3 are symmetrically and fixedly installed on one end face of the lower layer 1 of the radio frequency amplifier, the upper layer 4 of the radio frequency amplifier is hingedly installed on the top edge of the lower layer 1 of the radio frequency amplifier, the upper layer 4 of the radio frequency amplifier is the amplifier, a hidden connection component 6 is installed inside the upper layer 4 of the radio frequency amplifier, and the hidden connection component 6 includes a round rod 61 rotatably connected inside the upper layer 4 of the radio frequency amplifier. Driving gears 62 are symmetrically welded at both ends of the round rod 61. An arc-shaped rack 63 is meshed and connected to the outside of the driving gear 62. The arc-shaped rack 63 is fixedly installed on the top end of the lower layer 1 of the radio frequency amplifier. A plug-in slot 64 is fixedly installed in the middle of the outer surface of the round rod 61, and a plurality of plug-in holes are opened inside the plug-in slot 64.

[0034] As Figure 3 and Figure 4 shown, a slider 65 is slidably connected inside the plug-in slot 64. A positioning strip 69 is integrally formed at one end of the slider 65. A driving gear 66 is rotatably connected to one side of the bottom end of the slider 65. A driven gear 67 is meshed and connected to the outside of the driving gear 66. A fan blade 68 is fixedly installed at the top end of the driven gear 67. The fixed shaft of the fan blade 68 passes through the positioning strip 69 and is fixedly connected to the driven gear 67;

[0035] Manually rotate the driving gear 66. When the driving gear 66 rotates, it drives the driven gear 67 to rotate. When the driven gear 67 rotates, it drives the fan blade 68 to rotate. When the fan blade 68 rotates, it sucks out the dirt inside the insertion slot 64, thus ensuring the cleanliness inside the insertion slot 64 and further facilitating the connection with other electrical components.

[0036] As Figure 3 and Figure 4 shown, a plurality of ventilation holes are provided inside the driving gear 66 based on the center point, and the size of the driving gear 66 is larger than that of the driven gear 67;

[0037] Under the action of the plurality of ventilation holes, it is convenient for gas to be discharged along the inside of the driving gear 66. At the same time, since the size of the driving gear 66 is larger than that of the driven gear 67, the driven gear 67 can rotate quickly, changing the rotation speed of the driven gear 67.

[0038] As Figure 3 and Figure 5 shown, columns 610 are symmetrically embedded and installed on both sides of the insertion slot 64. A round rod 611 is rotatably connected to the outside of the column 610. One end of the column 610 is fixedly installed with a limit cover 612. One side of the inner wall of the limit cover 612 is vertical, and the other side of the inner wall of the limit cover 612 is inclined;

[0039] Under the action of the column 610, it is convenient for the round rod 611 to rotate. When the round rod 611 rotates, it is blocked by the limit cover 612. Since one side of the inner wall of the limit cover 612 is vertical and the other side of the inner wall of the limit cover 612 is inclined, an inclined angle is formed between the round rod 611 and the insertion slot 64 after the round rod 611 rotates, and further a triangular support is formed between the insertion slot 64, the round rod 611 and the top of the lower layer 1 of the radio frequency amplifier, further keeping the upper layer 4 of the radio frequency amplifier stable.

[0040] As Figure 3 and Figure 4 shown, a guide groove is provided inside the insertion slot 64. A guide block is integrally formed at the top of the slider 65, and the guide block is slidably connected inside the guide groove;

[0041] It is convenient for the movement of the slider 65, changes the difficulty of movement of the slider 65, and limits the slider 65 after it moves.

[0042] As Figures 6 to 9 shown, a quick-disassembly maintenance component 5 is installed inside the upper layer 4 of the radio frequency amplifier. The quick-disassembly maintenance component 5 includes a positioning sleeve 51 fixedly installed inside the upper layer 4 of the radio frequency amplifier. A hollow movable rod 52 is vertically movably connected inside the positioning sleeve 51. A filter frame 53 is fixedly installed at the top of the outer surface of the hollow movable rod 52, and a filter screen 54 is fixedly installed inside the filter frame 53;

[0043] By pulling the filter box 53, when the filter box 53 moves, it drives the filter net 54 to move. At this time, the filter box 53 drives the hollow movable rod 52 to move, so that the hollow movable rod 52 moves along the inside of the positioning sleeve 51, so that the position of the upper layer 4 of the RF amplifier corresponding to the filter box 53 is exposed to the outside, which is convenient for personnel to repair the inside along the exposed position of the upper layer 4 of the RF amplifier, changing the existing way of disassembling the shell, and this way is more convenient.

[0044] As Figures 6 to 9 shown, a piston rod 55 is movably connected inside the hollow movable rod 52. A metal net 56 is fixedly installed between one ends of the two piston rods 55. A plurality of conical bodies 57 are fixedly installed at equal intervals at one end of the metal net 56;

[0045] When the hollow movable rod 52 squeezes the inside of the positioning sleeve 51, at this time, the gas pushes the piston rod 55 to move. When the piston rod 55 moves, it drives the metal net 56 to move. When the metal net 56 moves, it drives the conical body 57 to clean the mesh holes of the filter net 54, thereby reducing the cleaning times of the filter net 54 and ensuring that the gas can flow along the inside of the filter net 54.

[0046] As Figures 6 to 9 shown, elastic blocks 58 are equidistantly embedded on the outside of the hollow movable rod 52. A rubber pad 59 is fixedly installed on the outside of the elastic block 58. The outside of the rubber pad 59 is in contact with the inner wall of the positioning sleeve 51;

[0047] Due to the tension of the elastic block 58 driving the rubber pad 59 to move, when the rubber pad 59 moves and fits with the inner wall of the positioning sleeve 51, at this time, the friction force between the hollow movable rod 52 and the positioning sleeve 51 is increased, preventing the phenomenon that the hollow movable rod 52 generates displacement along the inside of the positioning sleeve 51.

[0048] Working principle: During the actual use of the device, the lower layer 1 of the RF amplifier serves as the power supply to ensure that the rollers 2 at the four corners of its bottom end are fixed stably, so that the device can be moved conveniently when needed. At this time, the two fixed heat dissipation structures 3 symmetrically fixed on one end surface of the lower layer 1 of the RF amplifier start to work to provide preliminary heat dissipation preparation for the operation of the device. The upper layer 4 of the RF amplifier is hinged to the lower layer 1 of the RF amplifier through the top edge and is in an initial closed state. At this time, the round rod 61 in the hidden connection component 6 inside the upper layer 4 of the RF amplifier remains stationary, the driving gear 62 and the arc-shaped rack 63 are in an initial meshing state, the slider 65 inside the insertion slot 64 is in the initial position, and the fan blade 68 remains stationary;

[0049] Next, the lower layer 1 of the RF amplifier serves as a power supply and starts to provide stable power support for the entire device. At this time, the fixed heat dissipation structure 3 continues to operate to ensure that the heat dissipation requirements during the operation of the device are met. At the same time, the upper layer 4 of the RF amplifier, as an amplifier, starts to amplify the data signals generated by the CT device. During this process, the round rod 61 in the hidden connection component 6 remains stationary to ensure the connection stability inside the insertion slot 64;

[0050] When the RF amplification signal fluctuates, external electronic components need to be connected at this time to keep the signal constant. At this time, the operator rotates the upper layer 4 of the RF amplifier, and at the same time, the upper layer 4 of the RF amplifier drives the round rod 61 to move. When the driving gear 62 at one end of the round rod 61 meshes with the arc rack 63, the driving gear 62 rotates. When the driving gear 62 rotates, it drives the insertion slot 64 to rotate. Then, the columns 610 symmetrically embedded and installed on both sides of the insertion slot 64 play a supporting role. The round rod 611 rotatably connected to the outside of the column 610 maintains an inclined angle with the insertion slot 64 under the limiting action of the limiting cover 612 to form a triangular support, further making the upper layer 4 of the RF amplifier stable. By designing the connection method of the external electronic components, this device solves the problem that existing RF amplifiers usually adopt an integrated design, have fixed functions, and are difficult to expand functions according to user needs. Filtering functions or modulation and demodulation functions can be added as needed without replacing the entire device, improving the flexibility and adaptability of the device;

[0051] Then, when the inside of the insertion slot 64 needs to be cleaned after using this structure, at this time, the slider 65 is moved. When the slider 65 moves to the insertion hole position of the insertion slot 64, the operator manually rotates the driving gear 66. When the driving gear 66 rotates, it drives the driven gear 67 to rotate quickly. When the driven gear 67 rotates, it drives the fan blade 68 to rotate. When the fan blade 68 rotates, it sucks out the dirt inside the insertion slot 64, thus ensuring the cleanliness of the inside of the insertion slot 64, further facilitating the connection with other electrical components, effectively solving the interference of dust on the external power supply components, thus facilitating data transmission, and further facilitating the filtering inside the RF amplifier;

[0052] Finally, when the device needs to be maintained, first, the operator pulls the filter frame 53. When the filter frame 53 moves, it drives the filter net 54 to move. At this time, the filter frame 53 drives the hollow movable rod 52 to move, so that the hollow movable rod 52 moves along the inside of the positioning sleeve 51, so that the position of the upper layer 4 of the RF amplifier corresponding to the filter frame 53 is exposed to the outside, thus facilitating the personnel to repair the inside along the exposed position of the upper layer 4 of the RF amplifier, changing the existing method of disassembling the shell, and this method is more convenient;

[0053] During the maintenance process, when the hollow movable rod 52 squeezes the inside of the positioning sleeve 51, the gas pushes the piston rod 55 to move. When the piston rod 55 moves, it drives the metal mesh 56 to move. When the metal mesh 56 moves, it drives the cone 57 to clean the mesh holes of the filter screen 54, thereby reducing the cleaning frequency of the filter screen 54 and ensuring that the gas can flow along the inside of the filter screen 54;

[0054] During the maintenance process, due to the tension of the elastic block 58, the rubber pad 59 is driven to move. When the rubber pad 59 moves, it fits with the inner wall of the positioning sleeve 51. At this time, the friction between the hollow movable rod 52 and the positioning sleeve 51 is increased, preventing the phenomenon that the hollow movable rod 52 generates displacement along the inside of the positioning sleeve 51.

[0055] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting it.

Claims

1. A data transmission amplifier for a medical MR device, characterized in that, Including: The lower layer of the radio frequency amplifier (1), rollers (2) are installed at the four corners of the bottom end of the lower layer of the radio frequency amplifier (1), two fixed heat dissipation structures (3) are symmetrically and fixedly installed on one end face of the lower layer of the radio frequency amplifier (1), the upper layer of the radio frequency amplifier (4) is hingedly installed on the top edge of the lower layer of the radio frequency amplifier (1), a hidden connection component (6) is installed inside the upper layer of the radio frequency amplifier (4), the hidden connection component (6) includes a round rod (61) rotatably connected inside the upper layer of the radio frequency amplifier (4), driving gears (62) are symmetrically welded at both ends of the round rod (61), an arc-shaped rack (63) is meshed and connected on the outside of the driving gear (62), the arc-shaped rack (63) is fixedly installed on the top end of the lower layer of the radio frequency amplifier (1), and a plug-in slot (64) is fixedly installed in the middle of the outer surface of the round rod (61).

2. The data transmission amplifier of a medical MR device according to claim 1, wherein A slider (65) is slidably connected inside the plug-in slot (64), a positioning strip (69) is integrally formed at one end of the slider (65), a driving gear (66) is rotatably connected to one side of the bottom end of the slider (65), a driven gear (67) is meshed and connected on the outside of the driving gear (66), a fan blade (68) is fixedly installed at the top end of the driven gear (67), and the fixed shaft of the fan blade (68) penetrates through the positioning strip (69) and is fixedly connected to the driven gear (67).

3. The data transmission amplifier of a medical MR device according to claim 2, characterized in that A plurality of ventilation holes are provided in the driving gear (66) with the center point as the reference, and the size of the driving gear (66) is larger than the size of the driven gear (67).

4. The data transmission amplifier of a medical MR device according to claim 2, wherein Columns (610) are symmetrically embedded and installed on both sides of the plug-in slot (64), a rotating rod (611) is rotatably connected to the outside of the column (610), and a limiting cover (612) is fixedly installed at one end of the column (610).

5. The data transmission amplifier of a medical MR device according to claim 4, wherein One side of the inner wall of the limiting cover (612) is vertical, and the other side of the inner wall of the limiting cover (612) is inclined.

6. The data transmission amplifier of a medical MR device according to claim 2, wherein A guiding groove is provided inside the plug-in slot (64), a guiding block is integrally formed at the top end of the slider (65), and the guiding block is slidably connected inside the guiding groove.

7. The data transmission amplifier of a medical MR device according to claim 1, characterized in that A quick-disassembly maintenance component (5) is installed inside the upper layer of the radio frequency amplifier (4), the quick-disassembly maintenance component (5) includes a positioning sleeve (51) fixedly installed inside the upper layer of the radio frequency amplifier (4), a hollow movable rod (52) is vertically movably connected inside the positioning sleeve (51), a filter frame (53) is fixedly installed at the top end of the outer surface of the hollow movable rod (52), and a filter screen (54) is fixedly installed inside the filter frame (53).

8. A data transmission amplifier for a medical MR device according to claim 7, characterized in that, A piston rod (55) is movably connected inside the hollow movable rod (52), a metal mesh (56) is fixedly installed between one ends of the two piston rods (55), and a cone body (57) is fixedly installed at equal intervals at one end of the metal mesh (56).

9. The data transmission amplifier of a medical MR device according to claim 7, wherein, Elastic blocks (58) are equidistantly embedded and installed on the outside of the hollow movable rod (52), rubber pads (59) are fixedly installed on the outside of the elastic blocks (58), and the outside of the rubber pads (59) is mutually attached to the inner wall of the positioning sleeve (51).

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