CN2203521Y - Low dose X-ray generator - Google Patents
Low dose X-ray generator Download PDFInfo
- Publication number
- CN2203521Y CN2203521Y CN 94239659 CN94239659U CN2203521Y CN 2203521 Y CN2203521 Y CN 2203521Y CN 94239659 CN94239659 CN 94239659 CN 94239659 U CN94239659 U CN 94239659U CN 2203521 Y CN2203521 Y CN 2203521Y
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- CN
- China
- Prior art keywords
- voltage
- ray tube
- plate
- ray
- low dose
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a low dose X-ray generator. An anode voltage regulating circuit composed of an oscillator I, a push-pull amplifier I and an impulse transformer I and a plate current constant current circuit composed of an oscillator II, a push-pull amplifier II and an impulse transformer II can form an anode voltage oscillation push-pull plate. The output high voltage of the impulse transformer I is manyfold rectified by a voltage multiplier to the DC high voltage which is provided for an X-ray tube. The X-ray tube and the voltage multiplier are sealed in an integral high voltage radial component barrel by oil. The low dose X-ray generator has stable voltage and constant current. The insulating strength is high, the pressurization is high, and the heat dispersion is good. The emitter power can reach to 100W.
Description
The utility model relates to a kind of x ray generator, particularly a kind of low dose X-ray generator.
Existing x ray generator does not generally have voltage stabilizing, and adopts the constant plate current of method of constant heater current, and stability is poor, and X-ray tube is easily struck sparks, and transposing must be readjusted heater current during X-ray tube; X-ray tube and voltage multiplie apportion connect with the High-Voltage Insulation line, and dielectric strength is low, and heat dispersion is poor, and is withstand voltage low.
The purpose of this utility model is: provide a kind of pressure-stabilizing constant flow, dielectric strength height, withstand voltage height, the low dose X-ray generator of perfect heat-dissipating.
Further purpose of the present utility model is: a kind of low dose X-ray generator that can control the X-ray tube working temperature automatically is provided.
Task of the present utility model is finished like this: form incorporate high pressure ray parts tube by collimater, X-ray tube and voltage multiplie, X-ray tube and voltage multiplie are contained in the parts cylinder shell by oil sealing, to improve its dielectric strength and withstand voltage properties, improve the heat radiation situation.Collimater is arranged on the top of X-ray tube.By the vibration I, recommend amplify that plate that I and pulse transformer I form is pressed voltage stabilizing circuit and by the vibration II, recommend and amplify the plate current constant-current circuit that II and pulse transformer II are formed, constitute the plate pressure Pull And Push Plate that vibrates jointly.The high pressure of pulse transformer I output is through the voltage multiplie voltage multiplying rectifier, and for X-ray tube provides high direct voltage, the pulse transformer II provides the filament operating voltage for X-ray tube.
Further task of the present utility model is finished like this: silicon stack, sample resistance and temperature-sensing element are set in voltage multiplie, control the working temperature of X-ray tube automatically.
The utility model is formed incorporate high pressure ray parts tube owing to having adopted by X-ray tube and voltage multiplie, and be contained in the parts cylinder shell by oil sealing, the transmitting power height can reach 100W, also can improve its dielectric strength and withstand voltage properties, help improving the heat radiation situation;
Adopt plate to press the vibration Pull And Push Plate, but the steadying plate pressure reduce the requirement on devices to insulating material, improves reliability, needn't adjust heater current when changing X-ray tube as the pressure-stabilizing constant flow circuit;
Silicon stack, sample resistance and temperature-sensing element are set in voltage multiplie, can control the working temperature of X-ray tube automatically, keep reliability.
Below, in conjunction with diagram, introduce the utility model in detail.
Fig. 1 is the utility model high pressure ray parts barrel structure schematic diagram
Fig. 2 is a pressure-stabilizing constant flow circuit diagram of the present utility model
Embodiment one
Form incorporate high pressure ray parts tube 10 by collimater 4, X-ray tube 5 and voltage multiplie 7.X-ray tube 5 and voltage multiplie 7 are contained in the parts cylinder shell 1 by oil sealing, can improve its dielectric strength and withstand voltage properties, improve the heat radiation situation.Collimater 4 is arranged on the top of X-ray tube 5.By the vibration I, recommend and amplify I and pulse transformer I composing plate is pressed voltage stabilizing circuit, the output of vibration I is through recommending the amplification I, by pulse transformer I output high pressure, again through voltage multiplie 7 voltage multiplying rectifiers, for X-ray tube provides high direct voltage.By the vibration II, recommend and amplify the plate current constant-current circuit that II and pulse transformer II are formed, the vibration II provides the filament operating voltage through recommending amplification II and pulse transformer II for X-ray tube 5.Press the vibration Pull And Push Plate by the plate that plate presses voltage stabilizing circuit and plate current constant-current circuit to constitute jointly, can improve the plate current stability and the plate of X-ray tube 5 and press stability.
Embodiment two
Form incorporate high pressure ray parts tube 10 by collimater 4, X-ray tube 5 and voltage multiplie 7.Also be provided with internal layer lead 2 in the housing 1.X-ray tube 5 and voltage multiplie 7 are contained in the internal layer lead 2 of parts cylinder shell 1 by oil sealing, and thermal diffusivity is good, the dielectric strength height.The top of high pressure ray parts tube 10 also is provided with elastic seal ring 3, in case oil leakage.Transmitting power still can operate as normal during up to 100W.By the vibration I, recommend and amplify I and pulse transformer I composing plate is pressed voltage stabilizing circuit, the output of vibration I is through recommending the amplification I, by pulse transformer I output high pressure, again through voltage multiplie 7 voltage multiplying rectifiers, for X-ray tube provides high direct voltage.Silicon stack 6, sample resistance 8 and temperature-sensing element 9 are set in the voltage multiplie 7, and sample resistance 8 feeds back to the vibration I with high-pressure sampling, further guarantees the stable of high direct voltage.Plate presses stability to reach 1%.Amplify the plate current constant-current circuit that II and pulse transformer II are formed, the vibration II provides the filament operating voltage through recommending amplification II and pulse transformer II for X-ray tube 5.Press the vibration Pull And Push Plate by the plate that plate presses voltage stabilizing circuit and plate current constant-current circuit to constitute jointly, can make the plate current stability of X-ray tube 5 reach 0.5%.When temperature-sensing element 9 measured X-ray tube 5 working temperatures surpassed predetermined value, X-ray tube 5 quit work.Thereby, can control the working temperature of X-ray tube 5 automatically, further tightening security property, the useful life of improving each components and parts.
Claims (2)
1, a kind of low dose X-ray generator that comprises X-ray tube (5), voltage multiplie (7) and constant-current circuit is characterized in that:
A. described X-ray tube (5) and voltage multiplie (7) constitute incorporate high pressure ray parts tubes (10), are contained in the high pressure ray parts cylinder shells (1) with oil sealing, and collimater (4) is positioned at the top of X-ray tube (5), and X-ray tube (5) links to each other with voltage multiplie (7);
B. described constant-current circuit is that plate is pressed the vibration Pull And Push Plate, press voltage stabilizing circuit and plate current constant-current circuit to form by plate, plate presses voltage stabilizing circuit to comprise the vibration I, recommend and amplify I and pulse transformer I, through the high pressure of pulse transformer I output again by the voltage multiplie voltage multiplying rectifier, high direct voltage is provided to X-ray tube (5), the plate current constant-current circuit comprises the vibration II, recommends and amplify II and pulse transformer II, for X-ray tube (5) provides the filament operating voltage.
2, low dose X-ray generator according to claim 1 is characterized in that being provided with in the described voltage multiplie (7) silicon stack (6), sample resistance (8) and temperature-sensing element (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94239659 CN2203521Y (en) | 1994-11-14 | 1994-11-14 | Low dose X-ray generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94239659 CN2203521Y (en) | 1994-11-14 | 1994-11-14 | Low dose X-ray generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2203521Y true CN2203521Y (en) | 1995-07-12 |
Family
ID=33846824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94239659 Expired - Fee Related CN2203521Y (en) | 1994-11-14 | 1994-11-14 | Low dose X-ray generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2203521Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100438717C (en) * | 1996-09-27 | 2008-11-26 | 浜松光子学株式会社 | X-ray generator and photo ionization device using it |
| CN1711008B (en) * | 2005-07-15 | 2011-02-09 | 北京中盾安民分析技术有限公司 | Sectional-drum-shape X-ray source |
| CN102833934A (en) * | 2012-09-13 | 2012-12-19 | 成都理工大学 | X-ray filament power supply source |
-
1994
- 1994-11-14 CN CN 94239659 patent/CN2203521Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100438717C (en) * | 1996-09-27 | 2008-11-26 | 浜松光子学株式会社 | X-ray generator and photo ionization device using it |
| CN101232768B (en) * | 1996-09-27 | 2012-09-05 | 浜松光子学株式会社 | X-ray generator |
| CN1711008B (en) * | 2005-07-15 | 2011-02-09 | 北京中盾安民分析技术有限公司 | Sectional-drum-shape X-ray source |
| CN102833934A (en) * | 2012-09-13 | 2012-12-19 | 成都理工大学 | X-ray filament power supply source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |