CN201708702U - High-frequency high-pressure generator for medical high-frequency diagnosis X-ray machine - Google Patents
High-frequency high-pressure generator for medical high-frequency diagnosis X-ray machine Download PDFInfo
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- CN201708702U CN201708702U CN201020186768XU CN201020186768U CN201708702U CN 201708702 U CN201708702 U CN 201708702U CN 201020186768X U CN201020186768X U CN 201020186768XU CN 201020186768 U CN201020186768 U CN 201020186768U CN 201708702 U CN201708702 U CN 201708702U
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Abstract
The utility model discloses a high-frequency high-pressure generator for a medical high-frequency diagnosis X-ray machine, which consists of a control unit, a drive unit, a power supply unit and an X-ray generating unit, wherein a central control unit is connected with a drive control unit, an AC contactor, a rectifier filter, a rotating anode driver and a control console, the drive controller is connected with a lamp filament heater, a high-pressure oil tank and a high-frequency inverter, an X-ray tube is sequentially connected with the lamp filament heater and the high-frequency oil tank, the three-phase filter, the AC contactor, the rectifier filter and the high-frequency inverter of the power supply unit are sequentially connected, and a power supply transformer is simultaneously connected on the line among the rotating anode driver and the AC contactor and the rectifier filter. The utility model has simple structure and rational component arrangement, effectively improves the maintenance effect of the equipment, reduces the fault rate of the equipment, and provides the protection for the medical X-ray machine to generate stable X-ray.
Description
Technical field
The utility model relates to a kind of X-ray generator of medical X ray machine, specifically relates to a kind of high-frequency and high-voltage generator that is used for medical high frequency diagnostic X-ray apparatus.
Background technology
X-ray production apparatus custom " X-ray machine " or radiodiagnosis bed are a kind of equipment that is used for producing X ray, and its main application is to survey internal structure under the situation of not destroying object; Also can utilize it to carry out sterilization or fluorescence excitation.The method that produces X ray is that in the knockout process, electronics slows down suddenly with the electronic impact metallic target after quickening, and the kinetic energy of its loss can be emitted with the photon form, forms the continuous part of X-ray spectrum; By strengthening accelerating voltage, the energy that electronics carries increases, then that the inner electron of metallic atom is knocking-on, internal layer forms the hole, and the outer-shell electron transition is returned internal layer and filled up the hole, simultaneously the photon of emit wavelength about 0.1 nanometer, because the energy that the outer-shell electron transition is emitted is quantized, so the wavelength of the photon of emitting also concentrates on some part, formed the characteristic curve in the X-ray spectrum, this is called characteristic radiation.The general cathode ray tube that uses a high energy of the high-frequency and high-voltage generator of existing medical X ray machine, make cathode-ray just electron stream hit at a high speed on anode, electronics slows down and causes bremsstrahlung; Voltage is enough high between the negative electrode anode, and the energy of electronics is enough big, and the main energy of bremsstrahlung will concentrate in the X ray frequency range, for fear of the anode heating, can use rotarting anode.High-frequency and high-voltage generator is the vitals that produces the ray of medical X ray machine, existing its internal structure complexity of high-frequency and high-voltage generator, components and parts are various, the components and parts layout is unreasonable, safeguard inconvenience, cause the failure rate of high-frequency and high-voltage generator to increase, can not ensure the stable operation of high-frequency and high-voltage generator.
The utility model content
Technical problem to be solved in the utility model provides a kind of simple in structure, and is rationally distributed, ensures the stable high-frequency and high-voltage generator that is used for medical high frequency diagnostic X-ray apparatus that produces X ray.
The technical problem that the utility model proposed is to solve like this: a kind of high-frequency and high-voltage generator that is used for medical high frequency diagnostic X-ray apparatus, mainly constitute by control unit, driver element, power supply power supply unit and X ray generating unit, wherein, described power supply power supply unit is connected with control unit, driver element and X ray generating unit by cable simultaneously, driver element is connected with control unit by cable, and the X ray generating unit is connected with driving control unit by cable.
Described control unit comprises central controller and control desk; Driver element comprises driving governor, rotarting anode driver; The power supply power supply unit comprises power transformer, Three-phase electric-wave filter, A.C. contactor, rectifier filter and high-frequency inverter; The X ray generating unit comprises reheater, pressure-oil tank and X-ray tube; Wherein, central controller is connected with driving governor, A.C. contactor, rectifier filter, rotarting anode driver and control desk; Driving governor is connected with reheater, pressure-oil tank and high-frequency inverter; X-ray tube is connected with reheater and pressure-oil tank; The Three-phase electric-wave filter of described power supply power supply unit, A.C. contactor, rectifier filter and high-frequency inverter are connected successively, Three-phase electric-wave filter inserts three-phase alternating current, and power transformer is connected on the circuit that is connected between rotarting anode driver and A.C. contactor and the rectifier filter simultaneously.
Described power supply power supply unit also comprises an accessory power supply, and accessory power supply is connected on the circuit that is connected between Three-phase electric-wave filter and the A.C. contactor.Also be connected with stator on the described rotarting anode driver.
Operation principle of the present utility model is: rectifier filter changes ac input voltage into dc voltage, and high-frequency inverter is the high frequency voltage of dc voltage inversion for about 25kHz.The step-up transformer of pressure-oil tank becomes the 50kHz pulse direct current to the 25kHz voltage of input, obtains 25kV to 125kV high direct voltage after filtering.This high direct voltage is loaded on the X-ray tube, makes X-ray tube obtain producing the condition of high voltage of X ray.Driving governor control X-ray tube tube voltage is controlled the X-ray tube tube current by reheater modulation heater current.Select and impose a condition by the control desk panel, can select the pattern of each operation and control.Control panel transfers to central controller to instruction.Central controller is according to the output of the commands for controlling X ray of input.
In sum, the utility model is simple in structure, and the components and parts connection configuration is reasonable, has effectively improved the maintenance efficiency of equipment, has reduced the probability of failure of equipment, provides guarantee for medical X ray machine produces stable X ray.
Description of drawings
Fig. 1 is the utility model structured flowchart;
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
As shown in Figure 1, a kind of high-frequency and high-voltage generator that is used for medical high frequency diagnostic X-ray apparatus, mainly constitute by control unit, driver element, power supply power supply unit and X ray generating unit, wherein, described power supply power supply unit is connected with control unit, driver element and X ray generating unit by cable simultaneously, driver element is connected with control unit by cable, and the X ray generating unit is connected with driving control unit by cable.
As shown in Figure 1, described control unit comprises central controller and control desk; Driver element comprises driving governor, rotarting anode driver; The power supply power supply unit comprises power transformer, Three-phase electric-wave filter, A.C. contactor, rectifier filter and high-frequency inverter; The X ray generating unit comprises reheater, pressure-oil tank and X-ray tube; Wherein, central controller is connected with driving governor, A.C. contactor, rectifier filter, rotarting anode driver and control desk; Driving governor is connected with reheater, pressure-oil tank and high-frequency inverter; X-ray tube is connected with reheater and pressure-oil tank; The Three-phase electric-wave filter of described power supply power supply unit, A.C. contactor, rectifier filter and high-frequency inverter are connected successively, Three-phase electric-wave filter inserts three-phase alternating current, and power transformer is connected on the circuit that is connected between rotarting anode driver and A.C. contactor and the rectifier filter simultaneously.
As shown in Figure 1, described power supply power supply unit also comprises an accessory power supply, and accessory power supply is connected on the circuit that is connected between Three-phase electric-wave filter and the A.C. contactor.Also be connected with stator on the described rotarting anode driver.
Claims (4)
1. high-frequency and high-voltage generator that is used for medical high frequency diagnostic X-ray apparatus, it is characterized in that: the described high-frequency and high-voltage generator that is used for medical high frequency diagnostic X-ray apparatus mainly is made of control unit, driver element, power supply power supply unit and X ray generating unit, wherein, described power supply power supply unit is connected with control unit, driver element and X ray generating unit by cable simultaneously, driver element is connected with control unit by cable, and the X ray generating unit is connected with driving control unit by cable.
2. according to the described high-frequency and high-voltage generator that is used for medical high frequency diagnostic X-ray apparatus of claim 1, it is characterized in that: described control unit comprises central controller and control desk; Driver element comprises driving governor, rotarting anode driver; The power supply power supply unit comprises power transformer, Three-phase electric-wave filter, A.C. contactor, rectifier filter and high-frequency inverter; The X ray generating unit comprises reheater, pressure-oil tank and X-ray tube; Wherein, central controller is connected with driving governor, A.C. contactor, rectifier filter, rotarting anode driver and control desk; Driving governor is connected with reheater, pressure-oil tank and high-frequency inverter; X-ray tube is connected with reheater and pressure-oil tank; The Three-phase electric-wave filter of described power supply power supply unit, A.C. contactor, rectifier filter and high-frequency inverter are connected successively, Three-phase electric-wave filter inserts three-phase alternating current, and power transformer is connected on the circuit that is connected between rotarting anode driver and A.C. contactor and the rectifier filter simultaneously.
3. according to the described high-frequency and high-voltage generator that is used for medical high frequency diagnostic X-ray apparatus of claim 2, it is characterized in that: described power supply power supply unit also comprises an accessory power supply, and accessory power supply is connected on the circuit that is connected between Three-phase electric-wave filter and the A.C. contactor.
4. according to the described high-frequency and high-voltage generator that is used for medical high frequency diagnostic X-ray apparatus of claim 2, it is characterized in that: also be connected with stator on the described rotarting anode driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020186768XU CN201708702U (en) | 2010-05-11 | 2010-05-11 | High-frequency high-pressure generator for medical high-frequency diagnosis X-ray machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020186768XU CN201708702U (en) | 2010-05-11 | 2010-05-11 | High-frequency high-pressure generator for medical high-frequency diagnosis X-ray machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201708702U true CN201708702U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020186768XU Expired - Fee Related CN201708702U (en) | 2010-05-11 | 2010-05-11 | High-frequency high-pressure generator for medical high-frequency diagnosis X-ray machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN201708702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104822218A (en) * | 2015-05-20 | 2015-08-05 | 余幼华 | CAN bus-based medical X-ray high voltage generator control system |
-
2010
- 2010-05-11 CN CN201020186768XU patent/CN201708702U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104822218A (en) * | 2015-05-20 | 2015-08-05 | 余幼华 | CAN bus-based medical X-ray high voltage generator control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20130511 |