CN201759572U

CN201759572U - Medical diagnostic high-frequency X-ray camera

Info

Publication number: CN201759572U
Application number: CN2010205056250U
Authority: CN
Inventors: 黎伟宁; 李明深
Original assignee: GUILIN JIQI JUNLONG MEDICAL ELECTRONICS CO Ltd
Current assignee: NANJING YOLONG TECHNOLOGY CO., LTD.
Priority date: 2010-08-26
Filing date: 2010-08-26
Publication date: 2011-03-16
Anticipated expiration: 2020-08-26

Abstract

The utility model relates to X-ray equipment, belonging to the technical field of medical equipment, in particular to a medical diagnostic high-frequency X-ray camera. The medical diagnostic high-frequency X-ray camera is characterized by mainly comprising a high-frequency high-pressure generator, a control platform, an X-ray tube component, a vertical photographic frame, a photographic bed, a high-pressure cable and the like, and the control platform achieves the open-loop control and the closed-loop control of all parts by the high-pressure cable. Compared with the prior art, the medical diagnostic high-frequency X-ray camera greatly improves the precision and the stability of outputting X-rays, is convenient to mount and easy to maintain, is suitable to be used for medical diagnosis and has wide market prospect.

Description

A kind of medical diagnosis high frequency X ray camera

Technical field

This utility model relates to a kind of X-ray equipment, refers in particular to a kind of medical diagnosis high frequency X ray camera, belongs to the armarium technical field.

Background technology

The X ray camera is the common equipment of medical industry, mainly constitute by photographic attachment, high tension generator, control station, it is usually by the control of special-purpose control station realization to the film making process, but often adopt the monocycle control mode, the degree of stability and the precision of output X ray are not high, it is bigger influenced by power-supply fluctuation, thereby increased time of exposure, the X-ray photographs quality of taking also is affected, so not only influenced the service life of X-ray tube, and the amount of radiation that patient is suffered increases, and patient's health is caused harmful effect.

Therefore, how to design a kind of novel, X ray camera of being suitable for that medical diagnosis uses, output high stability and high accuracy X ray, become those skilled in the art's letter technical barrier to be solved.

The utility model content

This utility model aims to provide a kind of medical diagnosis high frequency X ray camera, it can significantly improve the precision and the degree of stability of output X ray, prolongs the service life of X-ray tube, and the automaticity height, working service is convenient, uses for clinical medicine and brings very big facility.

In order to address the above problem, the utility model discloses a kind of medical diagnosis high frequency X ray camera, mainly include: high-frequency and high-voltage generator, control station, x-ray tube component, vertical photography support, photography bed and cable; Wherein, described control station is connected with described high-frequency and high-voltage generator, x-ray tube component, vertical photography support, photography bed respectively by described cable, realizes the control to these parts; Described photography bed comprise bed surface float foot switch, bed foundation, bed panel, take the photograph the sheet device, take the photograph sheet device connecting rod, column, beam-defining clipper, control box, bulb, bulb transverse arm and column rotary block.

Preferably, described high-frequency and high-voltage generator comprises: main control unit, pressure-oil tank, pwm unit, high-frequency inverter, filament heating circuit, rotating anode drive circuit, and EMC wave filter, A.C. contactor and rectifier filter.

Preferably, described high-frequency and high-voltage generator also comprises: mains transformer, accessory power supply, fuse and filter line device control circuit.

Preferably, described control station has no sense of touch thin film by strong, possesses the keypad sounds prompt facility, and connects with described high-frequency and high-voltage generator and other relevant x-ray systems.

Preferably, described x-ray tube component comprises x-ray tube component component, negative electrode socket, anode socket, rotating anode wire hole and window.

Preferably, described photography bed comprises a body and balance sysmte;

Preferably, described cable is a high tension cable.

Compared with prior art, X ray camera of the present utility model has following characteristics:

A) have simulation, digital dicyclo control mode: adopt high-frequency inverter circuit and microprocessor, PWM special chip to form simulation, digital dicyclo control mode, thereby export stable high direct voltage, even power-supply fluctuation, still exportable stable X ray, reduced the amount of radiation that patient is subjected to, shorten time of exposure, improve precision and degree of stability;

B) have kV, mA, s or mAs tri-consult volume and freely match working method, control station selects to carry out chain capacity protection according to the capacity limit locking tri-consult volume of X-ray tube;

C) have the control of high-precision tube current: the X-ray tube tube current add thermal recovery two-stage high-frequency converter, different " kV " controlled in real time with different " mA " through microprocessor by high speed A/D converter sampling tube electric current, Control System of Microcomputer changes preset value automatically, has improved the degree of stability of ray output; Prolonged the service life of bulb effectively;

D) have the high-precision photography control time: the shortest timing is 3ms, can photograph fast at any time, and is less demanding to patient, is completely free of the phase effect of power supply, is easy to take high-quality X-ray photographs;

E) have fault self-diagnosis function: in case break down, installations interlock protection, warning can be inquired about the corresponding failure code, and convenient for maintaining is handled;

F) do not have a day rail, be convenient to flexible and convenient operation is installed;

G) the photography bed is furnished with fixed filter line device, and is easy to use, and to weakening scattered rays, improves the image contrast and remarkable result is arranged;

H) the x-ray tube component pillar is provided with safety catch, has when in a single day shackle line fractures to start fast, and the downslide of assembly is controlled within the 30mm;

I) reverse frequency height, the pressure-oil tank volume is little, power is big, and is littler 2 times than the power frequency high voltage fuel tank volume of identical output.

Description of drawings

Fig. 1: the structural representation of medical diagnosis high frequency X ray camera of the present utility model;

Fig. 2: the high-frequency and high-voltage generator 1 monnolithic case figure among Fig. 1;

Fig. 3: the composition structural representation of the high-frequency and high-voltage generator 1 among Fig. 1;

Fig. 4: the profile sketch map of the control station 2 among Fig. 1;

Fig. 5: the composition structural representation of the X ray bulb assembly 3 among Fig. 1;

Fig. 6: the outline drawing of the vertical photography support 4 among Fig. 1; Wherein 6A is a front view, and 6B is a side view;

Fig. 7: the profile sketch map of the photography bed 5 among Fig. 1, wherein 7A is a front view, 7B is a side view.

Symbol description:

1, high-frequency and high-voltage generator;

2, control station;

3, x-ray tube component;

4, vertical photography support;

5, photography bed;

6, cable;

7, EMC wave filter;

8, A.C. contactor;

9, rectifier filter;

10, high-frequency inverter;

11, pressure-oil tank;

12, pwm unit;

13, main control unit;

14, filament heating circuit;

15, rotating anode drive circuit;

16, fuse;

17, mains transformer;

18, accessory power supply;

19, filter line device control circuit;

20, x-ray tube component component;

21, negative electrode socket;

22, anode socket;

23, rotating anode wire hole;

24, window;

25, the unsteady foot switch of bed surface;

26, bed foundation;

27, bed panel;

28, take the photograph the sheet device;

29, take the photograph sheet device connecting rod;

30, column;

31, beam-defining clipper;

32, control box;

33, bulb;

34, bulb transverse arm;

35, column rotary block.

The specific embodiment

Below in conjunction with description of drawings concrete composition of the present utility model.

As shown in Figure 1, this medical diagnosis high frequency X ray camera mainly includes: high-frequency and high-voltage generator 1, control station 2, x-ray tube component 3, vertical photography support 4, photography bed 5 and cable 6; Wherein, control station 2 is connected with high-frequency and high-voltage generator 1, x-ray tube component 3, vertical photography support 4, photography bed 5 respectively by cable 6, realizes the control to these parts.

A) high-frequency and high-voltage generator

High-frequency and high-voltage generator 1 mainly comprises EMC wave filter 7, A.C. contactor 8, rectifier filter 9, high-frequency inverter 10, pressure-oil tank 11, pwm unit 12, main control unit 13, filament heating circuit 14, rotating anode drive circuit 15; Can also comprise fuse 16, mains transformer 17, accessory power supply 18 and filter line device control circuit 19 etc., the annexation of its each several part as shown in Figure 3, monnolithic case is as shown in Figure 2.

Wherein, main control unit 13 is whole system control cores, accepts the instruction that control station sends, and each unit is sent various instructions, receives from each unit return information, coordinates the whole system action and cooperates;

Mains transformer 17 and accessory power supply 18 provide working power, the accessory power supply of all size for each assembly, and realize overcurrent protection;

Pwm unit 12 by KV (driving voltage) is set and the KV feedback ratio, to the KV drift correction, detect the various states of KV, for inversion partly provides driving, by heater current is set and the heater current feedback ratio, to the heater current drift correction, detect the various states of filament, drive the pressure-oil tank filament transformer heater current is controlled;

Fuse 16 and A.C. contactor 8 are used to control inverter and network source input break-make and carry out the protection of main power source primary side;

EMC wave filter 7 and rectifier filter 9 are used for power supply signal is carried out corresponding Filtering Processing;

High-frequency inverter 10 is used to accept the KV control section provides driving, realizes high-frequency inversion, drives pressure-oil tank, and electric current between the CE of detection IGBT;

Pressure-oil tank 11 is used to accept the high frequency square wave of high-frequency inverter 10 outputs, and realization is boosted, rectifying and wave-filtering, produces high direct voltage.

B) control station

The profile sketch map of control station 2 is seen Fig. 4.It has no sense of touch thin film by strong, and possesses the keypad sounds prompt facility, thereby selects for the operator provides various operating functions, parameter, and connects with high-frequency and high-voltage generator and other relevant x-ray systems.And instruction is sent to the main control part, and particularly, be meant the main control unit 13 in the high-frequency and high-voltage generator 1, promptly main control unit 13 is promptly as the control maincenter of this high-frequency and high-voltage generator self, also as the control maincenter of whole system.

C) x-ray tube component

X ray bulb assembly 3 is used to produce X ray, and for clinical practice, it mainly comprises x-ray tube component component 20, negative electrode socket 21, anode socket 22, rotating anode wire hole 23 and window 24, and it specifically forms structure as shown in Figure 5.

D) vertical photography support

Vertical photography support 4 is used to support photographic attachment to finish photography, and its profile sketch map as shown in Figure 6.

E) photography bed

Photography bed 5 is used to realize functions such as bed surface moves, photographic attachment moves, it mainly comprises: bed surface float foot switch 25, bed foundation 26, bed panel 27, take the photograph sheet device 28, take the photograph sheet device connecting rod 29, column 30, beam-defining clipper 31, control box 32, bulb 33, bulb transverse arm 34, column rotary block 35, the concrete structure sketch map is seen Fig. 7.

With way of example this utility model is illustrated above, but this utility model is not limited to above-mentioned specific embodiment, all any change or modification of doing based on this utility model all belong to the claimed scope of this utility model.

Claims

1. a medical diagnosis high frequency X ray camera is characterized in that, includes: high-frequency and high-voltage generator (1), control station (2), x-ray tube component (3), vertical photography support (4), photography bed

(5) and cable (6); Wherein, described control station (2) is connected with described high-frequency and high-voltage generator (1), x-ray tube component (3), vertical photography support (4), photography bed (5) respectively by described cable (6); Described photography bed comprise bed surface float foot switch (25), bed foundation (26), bed panel (27), take the photograph sheet device (28), take the photograph sheet device connecting rod (29), column (30), beam-defining clipper (31), control box (32), bulb (33), bulb transverse arm (34) and column rotary block (35).

2. medical diagnosis high frequency X ray camera according to claim 1, it is characterized in that, described high-frequency and high-voltage generator (1) comprising: main control unit (13), pressure-oil tank (11), pwm unit (12), high-frequency inverter (10), filament heating circuit (14), rotating anode drive circuit (15), and EMC wave filter (7), A.C. contactor (8) and rectifier filter (9).

3. medical diagnosis high frequency X ray camera according to claim 1 is characterized in that described high-frequency and high-voltage generator (1) also comprises: mains transformer (17), accessory power supply (18), fuse (16) and filter line device control circuit (19).

4. medical diagnosis high frequency X ray camera according to claim 1, it is characterized in that, described control station (2) has no sense of touch thin film by strong, possesses the keypad sounds prompt facility, and connects with described high-frequency and high-voltage generator (1) and other relevant x-ray systems.

5. medical diagnosis high frequency X ray camera according to claim 1, it is characterized in that described x-ray tube component (3) comprises x-ray tube component component (20), negative electrode socket (21), anode socket (22), rotating anode wire hole (23) and window (24).

6. medical diagnosis high frequency X ray camera according to claim 1 is characterized in that described cable (6) is a high tension cable.