CN219612131U

CN219612131U - Signal filter for nuclear magnetic resonance power supply

Info

Publication number: CN219612131U
Application number: CN202320014890.6U
Authority: CN
Inventors: 仲晶; 曹文伟
Original assignee: Jiangsu Wamuke Electronic Technology Co ltd
Current assignee: Jiangsu Wamuke Electronic Technology Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-08-29
Anticipated expiration: 2033-01-03

Abstract

The utility model provides a signal filter for a nuclear magnetic resonance power supply, which relates to the technical field of signal filters and comprises a signal filter body, wherein a DB head is fixedly arranged at the top end of the signal filter body, a riveting screw is fixedly arranged at the top end of the signal filter body, a device rear cover plate is fixedly arranged at the inner top end of the signal filter body, a shielding strip is fixedly arranged at the top end of the signal filter body, and a circuit board is fixedly arranged in the signal filter body. According to the utility model, through the circuit board and the through capacitors, the capacitors and the inductors on the circuit board are distributed according to the route and then are connected to the DB head in a soldering manner, nine groups of corresponding through cores are arranged in the DB head, so that the lead-out plugs can be flexibly changed, nine groups of filter circuits are integrated, the whole volume and the installation time of the signal filter body can be effectively reduced, and the signal filter body can be installed on a nuclear magnetic resonance machine.

Description

Signal filter for nuclear magnetic resonance power supply

Technical Field

The utility model relates to the technical field of signal filters, in particular to a signal filter for a nuclear magnetic resonance power supply.

Background

In some medical examination processes, a nuclear magnetic resonance device is required to be used for examining the body of a patient, and usually, the nuclear magnetic resonance device is required to be used together with an installation filter when being installed;

the conventional filter has the defects that: the nuclear magnetic resonance machine is generally compact in filter installation position, and the number of wires is relatively large, so that the conventional filter is inconvenient to install on the nuclear magnetic resonance machine due to large size and heavy weight.

There is therefore a need for a signal filter that solves the above problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and solve the problems that most of the existing filters proposed in the prior art are inconvenient to be matched and installed on a nuclear magnetic resonance machine due to large volume and heavy weight.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a signal filter for nuclear magnetic resonance power, includes the signal filter body, the top of signal filter body is fixed mounting has DB head, the top of signal filter body is fixed mounting has the pressure riveting screw, the interior top of signal filter body is fixed mounting has the device back shroud, the top of signal filter body is fixed mounting has the shielding strip;

the inside fixed mounting of signal filter body has the circuit board, the inside fixed mounting of signal filter body has the baffle, the core through electric capacity has been installed on the top of baffle, the fixed surface mounting of signal filter body has the filter casing, the inside bottom fixed mounting of signal filter body has the device apron.

Preferably, the partition plate is fixedly arranged on the inner wall of the filter shell in a welding mode, and the device back cover plate and the device cover plate are fixed on the filter shell in a soldering mode.

Preferably, the two groups of press riveting screws are arranged in total, and the two groups of press riveting screws are respectively and fixedly arranged on two sides of the DB head.

Preferably, the through capacitor is fixed at the top end of the partition board through threads, and two ends of the through capacitor are fixed on the circuit board through soldering.

Preferably, the circuit board is provided with capacitance and inductance distributed according to a path, and finally is connected to the DB head through soldering and led out through the DB head.

Preferably, the circuit of the signal filter body is substantially identical to a common filter circuit, and the signal filter body is internally provided with a shielding gasket.

Compared with the prior art, the utility model has the beneficial effects that:

through being provided with circuit board and punching electric capacity, through distributing the electric capacity inductance on the circuit board according to the route, on the rethread soldering mode is connected to the DB head, built-in nine groups of corresponding punching, can change the extraction plug in a flexible way, integrated nine groups of filter circuits can effectively reduce holistic volume and installation time of signal filter body for the signal filter body can be installed on nuclear magnetic resonance machine.

Drawings

FIG. 1 shows a schematic overall structure provided in accordance with an embodiment of the present utility model;

fig. 2 shows a schematic side view of an overall structure provided according to an embodiment of the present utility model.

Legend description:

1. a signal filter body; 2. a DB header; 3. riveting a screw; 4. a device back cover plate; 5. a shielding strip; 6. a circuit board; 7. a feedthrough capacitor; 8. a partition plate; 9. a filter housing; 10. and a device cover plate.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

As shown in fig. 1 to 2, in the embodiment of the present utility model: a signal filter for a nuclear magnetic resonance power supply comprises a signal filter body 1.

In a specific operation, the top end of the signal filter body 1 is fixedly provided with a DB head 2, the top end of the signal filter body 1 is fixedly provided with a press riveting screw 3, the inner top end of the signal filter body 1 is fixedly provided with a device back cover plate 4, and the top end of the signal filter body 1 is fixedly provided with a shielding strip 5;

the inside fixed mounting of signal filter body 1 has circuit board 6, and the inside fixed mounting of signal filter body 1 has baffle 8, and the centre-through electric capacity 7 has been installed on the top of baffle 8, and the fixed surface mounting of signal filter body 1 has filter casing 9, and the inside bottom fixed mounting of signal filter body 1 has device apron 10.

The partition plate 8 is fixedly arranged on the inner wall of the filter housing 9 in a welding mode, and the device rear cover plate 4 and the device cover plate 10 are fixed on the filter housing 9 in a soldering mode.

The two groups of riveting screws 3 are arranged, and the two groups of riveting screws 3 are respectively and fixedly arranged on two sides of the DB head 2.

The punching capacitor 7 is fixed at the top end of the partition plate 8 through threads, and two ends of the punching capacitor 7 are fixed on the circuit board 6 through soldering.

The circuit board 6 is provided with capacitance and inductance distributed according to a path, and finally is connected to the DB head 2 through soldering and led out through the DB head 2.

The circuit of the signal filter body 1 is basically identical to a common filter circuit, and the inside of the signal filter body 1 is provided with shielding gaskets.

In summary, the working principle of the utility model is as follows: when the volume of the signal filter body 1 needs to be reduced, and the signal filter body 1 can be conveniently installed on a nuclear magnetic resonance machine, the capacitance and the inductance on the circuit board 6 are distributed according to a route, the circuit board is connected to the DB head 2 in a soldering mode, nine groups of corresponding through cores are arranged in the circuit board, the lead-out plug can be flexibly changed, nine groups of filter circuits are integrated, the signal filter body 1 is basically consistent with a common signal filter circuit, compared with the common signal filter, the capacitance and the inductance used in the signal filter body 1 are smaller, the patch capacitance and the patch inductance are smaller, the required space inside the signal filter body 1 can be just met, the patch components are free of leads, the interference can be further reduced, the signal filter body 1 is only required to be fixed on a mounting plate through a fastener, the whole volume and the mounting time of the signal filter body 1 can be effectively reduced in the mode, and the signal filter body 1 can be installed on the nuclear magnetic resonance machine.

The present utility model is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical disclosure described above can be applied to other fields, but any simple modification, equivalent changes and modification to the above embodiments according to the technical matter of the present utility model will still fall within the scope of the technical disclosure.

Claims

1. Signal filter for nuclear magnetic resonance power supply, comprising a signal filter body (1), characterized in that: the novel signal filter comprises a signal filter body (1), wherein a DB head (2) is fixedly arranged at the top end of the signal filter body (1), a press riveting screw (3) is fixedly arranged at the top end of the signal filter body (1), a device rear cover plate (4) is fixedly arranged at the inner top end of the signal filter body (1), and a shielding strip (5) is fixedly arranged at the top end of the signal filter body (1);

the novel signal filter is characterized in that a circuit board (6) is fixedly arranged in the signal filter body (1), a partition plate (8) is fixedly arranged in the signal filter body (1), a penetrating capacitor (7) is arranged at the top end of the partition plate (8), a filter shell (9) is fixedly arranged on the surface of the signal filter body (1), and a device cover plate (10) is fixedly arranged at the bottom end of the inner part of the signal filter body (1).

2. A signal filter for a nuclear magnetic resonance power supply as claimed in claim 1, wherein: the partition plate (8) is fixedly arranged on the inner wall of the filter shell (9) in a welding mode, and the device back cover plate (4) and the device cover plate (10) are fixed on the filter shell (9) in a soldering mode.

3. A signal filter for a nuclear magnetic resonance power supply as claimed in claim 1, wherein: the two groups of press riveting screws (3) are arranged in total, and the two groups of press riveting screws (3) are respectively and fixedly arranged on two sides of the DB head (2).

4. A signal filter for a nuclear magnetic resonance power supply as claimed in claim 1, wherein: the punching capacitor (7) is fixed at the top end of the partition plate (8) through threads, and two ends of the punching capacitor (7) are fixed on the circuit board (6) through a soldering mode.

5. A signal filter for a nuclear magnetic resonance power supply as claimed in claim 1, wherein: the circuit board (6) is provided with capacitance and inductance distributed according to a path, and is finally connected to the DB head (2) through soldering and led out through the DB head (2).

6. A signal filter for a nuclear magnetic resonance power supply as claimed in claim 1, wherein: the circuit of the signal filter body (1) is basically consistent with a common filter circuit, and the inside of the signal filter body (1) is provided with a shielding gasket.