CN2773992Y - Energy-storing device of high-frequency X-ray apparatus - Google Patents
Energy-storing device of high-frequency X-ray apparatus Download PDFInfo
- Publication number
- CN2773992Y CN2773992Y CN 200520033733 CN200520033733U CN2773992Y CN 2773992 Y CN2773992 Y CN 2773992Y CN 200520033733 CN200520033733 CN 200520033733 CN 200520033733 U CN200520033733 U CN 200520033733U CN 2773992 Y CN2773992 Y CN 2773992Y
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- capacitor
- ray apparatus
- frequency
- grid
- main inverter
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Abstract
The utility model relates to an energy storing device of a high-frequency X-ray apparatus, which belongs to the medical equipment. The existing X-ray apparatus for medical diagnosis adopts power-frequency alternating current for power supply, and the alternating current is boosted to more than a hundred thousand volts by a high voltage transformer and then directly added to an X-ray tube, or to X-ray tube after rectified so to as produce X rays. The existing X-ray apparatus for medical diagnosis has the shortages of high transformation ratio requirement to a transformer, large primary current, too many produced soft rays and severe injury to patients. The energy storing device of the high-frequency X-ray apparatus, which has simple structure, is added at the primary terminal of the transformer. The utility model is characterized in that an output anode of an AC power rectifier 1 is connected with an anode of a capacitor 2, an output cathode is connected to a cathode of the capacitor 2, the anode of the capacitor 2 is connected to the common contacts of two collecting electrodes of two grid-controlled transistors (V1, V2) of a main inverter 3, and the cathode is connected to the common contacts of two emitting electrodes of the grid-controlled transistors (V1, V2) of the main inverter 3.
Description
One, technical field
The utility model relates to Medical Devices, especially a kind of energy storage device of high frequency X line machine.
Two, background technology
The present following medical diagnostic X-ray line of 200mA machine, adopt power frequency (50Hz) Alternating Current Power Supply, boost to more than 100,000 volts, directly be added to the X spool through high-tension transformer, or through being added to after the rectification on the X spool, produce the X line, exist and require X line equipment transformer voltage ratio height, primary current is big, consumption copper iron is heavy, soft ray is many, and the injury that the patient is caused is big, weak points such as image definition difference.And can't add energy storage device at low-pressure end; Too big at secondary end adding storage capacitor volume, can't reach requirement.Therefore, existing power frequency medical diagnostic X-ray line machine requires to be equipped with the special electric power transformer, and requires very strict to the internal resistance of source (ohm).
Three, summary of the invention
The purpose of this utility model provides a kind of simple in structure, adds the energy storage device of the high frequency X line machine of energy storage device at the primary side of transformer.
The technical scheme that the purpose of this utility model adopted is, include AC power rectifier, capacitor, main inverter composition, the output cathode of its AC power rectifier connects the positive pole of capacitor, the negative pole that output negative pole connects capacitor, and the positive pole of capacitor connects the grid-controlled transistor V1 of main inverter and grid-controlled transistor V3 and the common contact of V4 two emitters that the common contact of V2 two collector electrodes, negative pole connect main inverter.
When using the utility model, single-phase alternating current is connected the AC power rectifier, the grid-controlled transistor V1 emitter of main inverter and V3 collector electrode altogether contact connect boost rectifier import an end, V2 emitter and V4 collector electrode altogether contact connect the boost rectifier input other end, boost rectifier output termination X-ray tube charges to capacitor through the AC power rectifier.Main inverter adopts 4 grid-controlled transistors, and V2, V3 close when V1, V4 conducting; Otherwise V1, V4 close when V2, V3 conducting, thereby let slip direct current to become the square wave of 20,000 to 50,000 Hz in capacitor, be added to boost rectifier at last because the utility model capacitor uses ultracapacitor, so can make main inverter output high frequency square wave and the big requirement of power output.
The utility model has simple and compact for structurely, makes easy to assemblyly, and the x ray hardness that X line machine is produced is strong, definition is high, and the patient is injured characteristics such as little.
Four, description of drawings
Further specify the utility model below in conjunction with accompanying drawing.
Accompanying drawing is an embodiment electrical block diagram of the present utility model.
Among the figure: 1, AC power rectifier 2-capacitor 3-main inverter 4-boost rectifier 5-X-ray tube V1, V2, V3, V4-grid-controlled transistor
Five, embodiment
As shown in drawings, positive pole, the output negative pole that the output cathode of AC power rectifier 1 connects capacitor 2 connects the negative pole of capacitor 2, the positive pole of capacitor 2 connects the grid-controlled transistor V1 of main inverter 3 and grid-controlled transistor V3 and the common contact of V4 two emitters that the common contact of V2 two collector electrodes, negative pole connect main inverter 3, the grid-controlled transistor V1 emitter of main inverter 3 and V3 collector electrode altogether contact connect boost rectifier 4 inputs one end, V2 emitter and V4 collector electrode altogether contact connect boost rectifier 4 inputs in addition-end, boost rectifier 4 output termination X-ray tubes 5.
Claims (1)
1, a kind of energy storage device of high frequency X line machine, include AC power rectifier (1), capacitor (2), main inverter (3) composition, positive pole, the output negative pole that the output cathode that it is characterized in that AC power rectifier (1) connects capacitor (2) connects the negative pole of capacitor (2), and the positive pole of capacitor (2) connects the grid-controlled transistor V1 of main inverter (3) and V2 two collector electrodes, and contact, negative pole connect the grid-controlled transistor V3 of main inverter (3) and V4 two emitters contact altogether altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520033733 CN2773992Y (en) | 2005-03-29 | 2005-03-29 | Energy-storing device of high-frequency X-ray apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520033733 CN2773992Y (en) | 2005-03-29 | 2005-03-29 | Energy-storing device of high-frequency X-ray apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2773992Y true CN2773992Y (en) | 2006-04-19 |
Family
ID=36709253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520033733 Expired - Fee Related CN2773992Y (en) | 2005-03-29 | 2005-03-29 | Energy-storing device of high-frequency X-ray apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2773992Y (en) |
-
2005
- 2005-03-29 CN CN 200520033733 patent/CN2773992Y/en not_active Expired - Fee Related
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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: 20060419 Termination date: 20140329 |