CN203733755U

CN203733755U - Novel X-ray detection equipment

Info

Publication number: CN203733755U
Application number: CN201420064759.1U
Authority: CN
Inventors: 王澄
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-02-13
Filing date: 2014-02-13
Publication date: 2014-07-23
Anticipated expiration: 2024-02-13

Abstract

The utility model relates to the medical instrument field and particularly relates to novel X-ray detection equipment. The novel X-ray detection equipment mainly comprises a controller, a high voltage generator, an X-ray tube assembly and a high voltage cable, wherein the X-ray tube assembly comprises an X-ray tube sleeve, insulation oil and an X-ray tube, the X-ray tube comprises a glass cover casing, a cathode, an anode, a filament focusing cover, a target disc, an iron core and stator coil, a bearing, a rotor, a heat conduction board, an upper radiator, a lower radiator, a water pump and a water tank, the high voltage cable sequentially comprises a protection layer, a metal mesh layer, an outer semiconductor layer, a high voltage insulation layer, an inner semiconductor layer and a core wire layer from outside to inside, and the core wire layer comprises a cable insulation layer and a cable. The novel X-ray detection equipment has a large heat radiation area of the anode, moreover, an arranged water circulation loop can rapidly take heat of the anode through the heat conduction board and heat carrier oil to improve power of the X-ray tube, and the high voltage cable has reliable and stable performance.

Description

A kind of New X-ray examination equipment

Technical field

The utility model relates to medical instruments field, especially a kind of New X-ray examination equipment.

Background technology

X-ray inspection machine is applicable to medical, is widely used in medical institutions and place.The straightforward procedure that produces X ray is with the electronic impact metallic target after accelerating.In knockout process, electronics slows down suddenly, and the kinetic energy of its loss can be emitted with photon form, forms the continuous part of X-ray spectrum, is referred to as bremsstrahlung radiation.By strengthening accelerating voltage, the energy that electronics carries increases, likely by knocking-on the inner electron of metallic atom.So internal layer forms hole, outer-shell electron transition is returned internal layer and is filled up hole, and emit wavelength is at the photon of 0.1 nanometer left and right simultaneously.The energy of emitting due to outer-shell electron transition is quantized, so the wavelength of the photon of emitting also concentrates on some part, has formed the characteristic curve in X-ray spectrum, and this is called characteristic radiation.

In order to shorten the radiographic time for exposure, obtain image clearly, X-ray tube should produce the X ray that density is higher within the extremely short time.For this reason, must improve the power of X-ray tube.But the power conversion of supplying with pipe becomes the power of X ray very low, more than 99% power conversion becomes heat energy and is dissipated on anode, and temperature of anode is raise rapidly.In fixed anode X-ray tube, because heat concentrates in a focus, very easily local overheating and melting of anode.

Utility model content

The utility model is intended to address the above problem, a kind of New X-ray examination equipment is provided, its anode heat dissipation area is large, the water-flow circuit simultaneously arranging can be taken away heat on anode and can greatly improve the power of X-ray tube fast, high-tension cable dependable performance, stable, its technical scheme adopting is as follows:

A kind of New X-ray examination equipment, it is mainly by controller, high pressure generator, X-ray tube assembly and high-tension cable composition, described high pressure generator is connected with X-ray tube assembly by high-tension cable, it is characterized in that, and described X-ray tube assembly comprises: X-ray tube cover, insulating oil and X-ray tube, described X-ray tube comprises: cloche shell, negative electrode, anode, filament focus mask, target disc, iron core and stator coil, bearing, rotor, heat-conducting plate, upper radiator, lower radiator, water pump and water tank, described negative electrode and anode are all arranged in cloche shell, described filament focus mask is fixed on negative electrode, described target disc is fixed on anode, described anode is connected with rotor by rotating shaft, described iron core and stator coil and cloche shell Joint, described rotor is rotationally connected by bearing and cloche shell, in described filament focus mask, be provided with filament, the focus of described filament focus mask drops on target disc and the edge of close target disc, described heat-conducting plate is fixed in cloche shell, the right side of described anode is wrapped up by heat-conducting plate, described heat-conducting plate is filled with heat medium oil between the face of anode and the right side of anode, described upper radiator and the left side of lower radiator and the right side of heat-conducting plate fit, described upper radiator and lower radiator are all fixed in cloche shell and are interconnected, described upper radiator and lower radiator are by water pipe and water pump and water tank composition circulation circuit, described high-tension cable is certainly outside to inside successively by protective layer, metal net layer, outer semiconductor layer, High-Voltage Insulation is pressed, inner semiconductor layer and core-wire layer composition, described core-wire layer is three groups, described inner semiconductor layer parcel core-wire layer, described core-wire layer is made up of cable insulating layer and cable.

On technique scheme basis, described target disc is tungsten target.

On technique scheme basis, in described cloche shell, be vacuum environment.

The utlity model has following advantage: anode heat dissipation area is large, the heat that electronic impact metallic target produces is distributed on an annular area, significantly reduce temperature of anode, not easy damaged anode, at identical temperature, can greatly improve the power of X-ray tube, meanwhile, the water-flow circuit of setting can be taken away heat on anode and further improved the power of X-ray tube fast by heat-conducting plate and heat medium oil, and high-tension cable is reliable, stable to X-ray tube feed tube voltage and filament heating voltage performance.

Brief description of the drawings

Fig. 1: the structural representation of X-ray tube described in the utility model;

Fig. 2: the cross-sectional view of high-tension cable described in the utility model;

Embodiment

Below in conjunction with accompanying drawing and example, the utility model is described in further detail:

Here it should be noted that, the described noun of locality is upper and lower, left and right is to define taking the view shown in Fig. 1 as benchmark, should be appreciated that the use of the described noun of locality should not limit the protection range that the application asks.Hereinafter described upper and lower, the left and right noun of locality, all as benchmark, repeats no more.As depicted in figs. 1 and 2, a kind of New X-ray examination equipment of the present embodiment, it is mainly by controller, high pressure generator, X-ray tube assembly and high-tension cable composition, described high pressure generator is connected with X-ray tube assembly by high-tension cable, described X-ray tube assembly comprises: X-ray tube cover, insulating oil and X-ray tube, described X-ray tube comprises: cloche shell 1, negative electrode 2, anode 3, filament focus mask 4, target disc 5, iron core and stator coil 6, bearing 7, rotor 8, heat-conducting plate 30, upper radiator 34, lower radiator 35, water pump 31 and water tank 32, described negative electrode 2 and anode 3 are all arranged in cloche shell 1, described filament focus mask 4 is fixed on negative electrode 2, described target disc 5 is fixed on anode 3, described anode 3 is connected with rotor 8 by rotating shaft, described iron core and stator coil 6 and cloche shell 1 Joint, described rotor 8 is rotationally connected by bearing 7 and cloche shell 1, in described filament focus mask 4, be provided with filament, the focus of described filament focus mask 4 drops on target disc 5 and the edge of close target disc 5, described heat-conducting plate 30 is fixed in cloche shell 1, the right side of described anode 3 is wrapped up by heat-conducting plate 30, described heat-conducting plate 30 is filled with heat medium oil between the face of anode 3 and the right side of anode 3, heat medium oil can play lubricated effect (because anode 3 can rotate with respect to heat-conducting plate 30) plays the effect of heat conduction simultaneously, the left side of described upper radiator 34 and lower radiator 35 and the right side of heat-conducting plate 30 fit, described upper radiator 34 and lower radiator 35 are all fixed in cloche shell 1 and are interconnected, described upper radiator 34 and lower radiator 35 form circulation circuit by water pipe 33 and water pump 31 and water tank 32, described high-tension cable is certainly outside to inside successively by protective layer 10, metal net layer 11, outer semiconductor layer 12, High-Voltage Insulation presses 13, inner semiconductor layer 14 and core-wire layer 20 form, described core-wire layer 20 is three groups, described inner semiconductor layer 14 wraps up core-wire layer 20, described core-wire layer 20 is made up of cable insulating layer 15 and cable 16.

Preferably, described target disc 5 is tungsten target.

Preferably, in described cloche shell 1, be vacuum environment.

The utility model is not limited to above-mentioned specific embodiment, and all any changes of doing based on the utility model or modification all belong to the claimed scope of the utility model.

Claims

1. a New X-ray examination equipment, it is mainly by controller, high pressure generator, X-ray tube assembly and high-tension cable composition, described high pressure generator is connected with X-ray tube assembly by high-tension cable, it is characterized in that, described X-ray tube assembly comprises: X-ray tube cover, insulating oil and X-ray tube, described X-ray tube comprises: cloche shell (1), negative electrode (2), anode (3), filament focus mask (4), target disc (5), iron core and stator coil (6), bearing (7), rotor (8), heat-conducting plate (30), upper radiator (34), lower radiator (35), water pump (31) and water tank (32), described negative electrode (2) and anode (3) are all arranged in cloche shell (1), described filament focus mask (4) is fixed on negative electrode (2), described target disc (5) is fixed on anode (3), described anode (3) is connected with rotor (8) by rotating shaft, described iron core and stator coil (6) and cloche shell (1) Joint, described rotor (8) is rotationally connected by bearing (7) and cloche shell (1), in described filament focus mask (4), be provided with filament, the focus of described filament focus mask (4) drops on the edge of the upper and close target disc (5) of target disc (5), described heat-conducting plate (30) is fixed in cloche shell (1), the right side of described anode (3) is wrapped up by heat-conducting plate (30), described heat-conducting plate (30) is filled with heat medium oil between the face of anode (3) and the right side of anode (3), the right side of the left side of described upper radiator (34) and lower radiator (35) and heat-conducting plate (30) fits, described upper radiator (34) and lower radiator (35) are all fixed in cloche shell (1) and are interconnected, described upper radiator (34) and lower radiator (35) are by water pipe (33) and water pump (31) and water tank (32) composition circulation circuit, described high-tension cable is certainly outside to inside successively by protective layer (10), metal net layer (11), outer semiconductor layer (12), (13) are pressed in High-Voltage Insulation, inner semiconductor layer (14) and core-wire layer (20) composition, described core-wire layer (20) is three groups, described inner semiconductor layer (14) parcel core-wire layer (20), described core-wire layer (20) is made up of cable insulating layer (15) and cable (16).

2. a kind of New X-ray examination equipment according to claim 1, is characterized in that: described target disc (5) is tungsten target.

3. a kind of New X-ray examination equipment according to claim 1 and 2, is characterized in that: in described cloche shell (1), be vacuum environment.