CN217848561U

CN217848561U - High-voltage plug-in device for ray tube

Info

Publication number: CN217848561U
Application number: CN202221446151.6U
Authority: CN
Inventors: 邱隆华; 刘学恩; 郑锋
Original assignee: Maimo Vacuum Technology Wuxi Co ltd
Current assignee: Maimo Vacuum Technology Wuxi Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-11-18
Anticipated expiration: 2032-06-10

Abstract

The utility model relates to a plug, especially a high-pressure grafting device for X-ray tube, include: the plug is provided with a first plane and a plurality of male contact pins, the male contact pins are arranged on the first plane, and the male contact pins are connected with the cathode filament; the insulating pad is arranged on the first plane, and the male pin penetrates through the insulating pad; the socket is provided with a second plane and a plurality of female pins, the female pins are arranged on the second plane and correspond to the male pins one to one, the female pins are connected with the high-voltage cable, and the second plane is matched with the insulating pad; when the plug is inserted into the socket, the male contact pin is inserted into the female contact pin, and the insulating pad abuts against the first plane and the second plane. The utility model provides a pair of a high pressure grafting device for ray tube becomes the platykurtic, and compact structure, occupation space are little, seal through sealed the pad between plug and the socket, and insulating nature is good, and difficult production is struck sparks, the security is high, the plug is convenient, can realize quick maintenance and change.

Description

High-voltage plug-in device for ray tube

Technical Field

The utility model relates to a plug, especially a high-pressure grafting device for X-ray tube.

Background

X-ray tubes are used to generate X-rays, and play an important role in various fields such as medical diagnosis, safety inspection, and nondestructive inspection. In modern medicine, X-ray Computed Tomography (CT) Equipment is an indispensable device for medical image diagnosis. The importance of the X-ray CT tube as an X-ray source of the CT machine which directly influences the performance and the quality of the CT machine is self-evident. The principle of X-ray generation by an X-ray CT tube is: the cathode filament is heated by current, electrons overcome work function, and electron cloud is formed on the surface; under the action of a high-voltage strong electric field of hundreds of thousands of voltages applied between the cathode and the anode, electrons are accelerated to fly to the anode and impact on a target surface to generate X-rays.

As can be seen from the X-ray generation principle in CT, the X-ray tube requires a stable and reliable high voltage connection and input. The existing high-voltage plug is conical, so that the occupied space is large, the plug and the socket are inconvenient to insert and pull, and the safety is poor due to the fact that ignition and the like are easily generated between the plug and the socket.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a high-pressure grafting device for ray tube that small, insulating properties is good, the security is high, concrete technical scheme is:

a high voltage plug-in device for a ray tube, comprising: the plug is provided with a first plane and a plurality of male contact pins, the male contact pins are arranged on the first plane, and the male contact pins are connected with the cathode filament; an insulating pad mounted on the first plane, the male pin passing through the insulating pad; the socket is provided with a second plane and a plurality of female pins, the female pins are arranged on the second plane and correspond to the male pins one by one, the female pins are connected with a high-voltage cable, and the second plane is matched with the insulating pad; when the plug is inserted into the socket, the male contact pin is inserted into the female contact pin, and the insulating pad abuts against the first plane and the second plane.

Preferably, a second insulator is further disposed on the socket, the second insulator is disposed on the second plane, and the female pin is fixed to the second insulator.

Furthermore, the socket is further provided with a shielding ring and a shielding cover, the shielding ring is arranged on the second insulator, and the shielding cover is arranged on the shielding ring.

The socket further comprises epoxy resin, the epoxy resin is filled in the socket, and the shielding ring and the shielding cover are both located in the epoxy resin.

Preferably, the high voltage cable is located at one side of the socket.

Preferably, the insulation pad further comprises insulating silicone grease or silicone oil, and the insulating silicone grease or silicone oil is coated on the upper surface and the lower surface of the insulation pad and is respectively located between the insulation pad and the first plane and between the insulation pad and the second plane.

Furthermore, the insulating pad is an insulating silica gel pad.

Compared with the prior art the utility model discloses following beneficial effect has:

the utility model provides a pair of a high pressure grafting device for ray tube becomes the platykurtic, and compact structure, occupation space are little, seal through density pad between plug and the socket, and insulating nature is good, is difficult for producing cremation, security height, picture peg convenience, can realize quick maintenance and change.

Drawings

Fig. 1 is a schematic view of a high voltage plug-in device for a ray tube;

fig. 2 is a cross-sectional view of the socket.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings.

As shown in fig. 1 and 2, a high voltage socket device for a ray tube includes a plug 2, a socket 1, and an insulating pad 3.

The insulating pad 3 is an insulating silica gel pad, and the upper surface and the lower surface of the insulating pad 3 are coated with insulating silicone grease or silicone oil. The insulating pad 3 is made of silica gel, is soft in material and has good sealing property.

The plug 2 is provided with a first plane 21 and three male pins 22, the first plane 21 is prepared by a first insulator 23, the male pins 22 are fixed on the first insulator 23, and part of the male pins 22 are positioned outside the first plane 21, and the male pins 22 are connected with a cathode filament of a cathode ray tube through conducting wires. The insulating pad 3 is attached to the first plane 21, and insulating silicone grease or silicone oil is arranged between the insulating pad and the first plane 21 and used for exhausting air, so that sealing performance and insulating performance are improved. The male pin 22 passes through the insulating pad 3.

The socket 1 is provided with epoxy resin 15, a second insulator 18, a shielding ring 13, a shielding cover 12, a female pin 14, a second plane 11 and a high-voltage cable 17. The second insulator 18 is arranged in the shielding ring 13, three female pins 14 are arranged and fixed on the second insulator 18, and the female pins 14 correspond to the male pins 22 one by one. The shield cover 12 is fixed on the shield ring 13 to form a shield structure, and the wires of the high-voltage cable 17 pass through the shield cover 12 and the shield ring 13 to be connected with the female pins 14. Epoxy resin 15 is filled in the interior of the socket 1 and effects the fixing of the shield ring 13 and the shield cover 12, the epoxy resin 15 and the second insulator 18 forming a second plane 11, the second plane 11 matching the insulating pad 3. The high voltage cable 17 is located at one side of the socket 1 so that the socket 1 is formed in a flat structure.

When the plug 2 is inserted on the socket 1, the male pin 22 is inserted on the female pin 14, the insulating pad 3 is respectively pressed on the first plane 21 and the second plane 11, and the insulating pad 3 is sealed with the first plane 21 and the second plane 11 through insulating silicone grease or silicone oil, so that no air exists between the insulating pad 3 and the first plane 21 and the second plane 11, the high-voltage discharge phenomenon is avoided, the spark is not easily generated, the insulating property is good, and the reliable connection and use of the plug 2 and the socket 1 under high voltage are ensured.

The technical principle of the present invention has been described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the claims of the present invention.

Claims

1. A high voltage plug-in device for a tube, comprising:

the lamp comprises a plug (2), wherein a first plane (21) and a plurality of male pins (22) are arranged on the plug (2), the male pins (22) are installed on the first plane (21), and the male pins (22) are connected with a cathode filament;

an insulating pad (3), said insulating pad (3) being mounted on said first plane (21), said male pin (22) passing through said insulating pad (3); and

the socket (1) is provided with a second plane (11) and a plurality of female pins (14), the female pins (14) are installed on the second plane (11) and correspond to the male pins (22) one by one, the female pins (14) are connected with a high-voltage cable (17), and the second plane (11) is matched with the insulating pad (3);

when the plug (2) is inserted on the socket (1), the male pins (22) are inserted on the female pins (14), and the insulating pad (3) is abutted on the first plane (21) and the second plane (11).

2. A high voltage socket device for a ray tube according to claim 1, wherein a second insulator (18) is further provided on the socket (1), the second insulator (18) being provided on the second plane (11), the female pin (14) being fixed to the second insulator (18).

3. A high voltage socket device for a ray tube according to claim 2, wherein a shield ring (13) and a shield cover (12) are further provided on the socket (1), the shield ring (13) being provided on the second insulator (18), the shield cover (12) being mounted on the shield ring (13).

4. A high voltage socket device for a ray tube according to claim 3, further comprising an epoxy resin (15), the epoxy resin (15) being filled in the socket (1), the shield ring (13) and the shield cover (12) being located in the epoxy resin (15).

5. A high voltage plug-in device for a ray tube according to any one of claims 1 to 4, characterized in that the high voltage cable (17) is located at one side of the socket (1).

6. A high-voltage plug-in device for a ray tube according to any one of claims 1 to 4, further comprising silicone grease or oil, said silicone grease or oil being applied to the upper and lower surfaces of the insulating pad (3) between the insulating pad (3) and the first plane (21) and between the insulating pad (3) and the second plane (11), respectively.

7. A high-voltage plug-in device for a ray tube according to one of claims 1 to 4, characterized in that the insulating pad (3) is an insulating silicone pad.