CN2662832Y - Portable X-ray dental photography instrument - Google Patents
Portable X-ray dental photography instrument Download PDFInfo
- Publication number
- CN2662832Y CN2662832Y CN 200320109968 CN200320109968U CN2662832Y CN 2662832 Y CN2662832 Y CN 2662832Y CN 200320109968 CN200320109968 CN 200320109968 CN 200320109968 U CN200320109968 U CN 200320109968U CN 2662832 Y CN2662832 Y CN 2662832Y
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- inverter circuit
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- 230000036772 blood pressure Effects 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 11
- 230000003321 amplification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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Abstract
A portable X-ray dental camera comprising: the device comprises a starting circuit, a boosting processing circuit, a boosting inverter circuit, a boosting transformer, a rectifying filter circuit, a voltage reduction processing inverter circuit, a voltage reduction transformer, an X-ray tube and a display circuit. The starting circuit enables the boosting processing circuit and the voltage reduction processing inverter circuit to be connected or cut off, the boosting processing circuit inverts the voltage from 12V into 20KC high-frequency voltage to the boosting inverter circuit, the boosting inverter circuit amplifies the power of the high-frequency voltage output by the boosting processing circuit and outputs the high-frequency voltage to the boosting transformer for boosting, and the high-frequency voltage is boosted by the rectifying filter circuit to provide high voltage for the anode of the X-ray tube. And simultaneously, the voltage reduction processing inverter circuit boosts the voltage from 12V, amplifies the power and outputs the boosted voltage to the step-down transformer to boost the voltage to provide high voltage for the cathode of the X-ray tube, so that the X-ray tube generates X-rays, and the corresponding value KV/muA is displayed through the display circuit. At this time, the object to be measured is placed between the X-ray source and the image intensifier, and the display screen of the image intensifier displays a clear image of the object to be seen through.
Description
Technical field
This utility model belongs to technical field of medical instruments, is specifically related to Portable X-ray dentistry film making instrument.
Background technology
The X ray dentistry film making instrument that uses clinically at present is made up of on support several partial fixings such as X source, high-tension transformer, filament transformer, peripheral hardware switch board, mechanical timer controls.Its shortcoming is the power consumption height, selling price is expensive, volume is big, can not move.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the shortcoming of above-mentioned X ray dentistry film making instrument, and a kind of reasonable in design, easy and simple to handle, result of use is good, production cost is low, easy to carry Portable X-ray dentistry film making instrument is provided.
Solving the problems of the technologies described above the technical scheme that is adopted is that it comprises: start-up circuit, treatment circuit boosts, boost inverter circuit, booster transformer, current rectifying and wave filtering circuit, inverter circuit is handled in blood pressure lowering, step-down transformer, X-ray tube, display circuit, the input termination 12v power supply of start-up circuit, inverter circuit is handled in boost treatment circuit and the blood pressure lowering of output termination, the output termination boost inverter circuit of treatment circuit boosts, the output termination booster transformer of boost inverter circuit, the output termination current rectifying and wave filtering circuit of booster transformer, the output termination X-ray tube of current rectifying and wave filtering circuit, the output termination step-down transformer of inverter circuit is handled in blood pressure lowering, and inverter circuit is handled in the output termination X-ray tube of step-down transformer and display circuit and blood pressure lowering.
This utility model adopts high frequency voltage doubling rectifing circuit, controller integrated with X source, and electronic timing is controlled, it have reasonable in design, easy and simple to handle, result of use is good, production cost is low, advantage such as easy to carry, can extensively promote the use of clinically.
Description of drawings
Fig. 1 is an electrical principle block diagram of the present utility model.
Fig. 2 is an electronic circuit schematic diagram of the present utility model.
The specific embodiment:
Below in conjunction with drawings and Examples this utility model is further described, but this utility model is not limited to these embodiment.
Fig. 1 has provided electrical principle block diagram of the present utility model, referring to Fig. 1.In Fig. 1, this utility model is connected and composed by start-up circuit, the treatment circuit that boosts, boost inverter circuit, booster transformer, current rectifying and wave filtering circuit, blood pressure lowering processing inverter circuit, step-down transformer, X-ray tube, display circuit.Start-up circuit makes boost treatment circuit and blood pressure lowering handle inverter circuit and connects or end, the treatment circuit that boosts becomes the 20KC high frequency voltage to boost inverter circuit with voltage by the 12V inversion, to the boost high frequency voltage of treatment circuit output of boost inverter circuit carries out power amplification and outputs to booster transformer and boost, and the anode that boosts to X-ray tube through current rectifying and wave filtering circuit provides high pressure again.Blood pressure lowering is simultaneously handled inverter circuit and voltage is boosted by 12V and carry out power amplification and output to the negative electrode that step-down transformer boosts to X-ray tube high pressure is provided.Make X-ray tube produce X ray, and, demonstrate corresponding value KV/ μ A by display circuit.This moment, testee was placed between x-ray source and the image intensifier, and the display screen of image intensifier just demonstrates by the sharp image of perspective thing.
In Fig. 2, the start-up circuit of present embodiment is connected and composed by IC 3, IC 9, audion Q7, LED 4, LED 5, diode D3, R23～R28, C14～C17, button switch K 4, and the model of IC 3 is 555, the model of IC 9 is P521.The positive pole of LED 5 connects 12v positive source, negative pole meet audion Q7 by R24 colelctor electrode, the base stage of audion Q7 connects between 4 feet and R27 and R28 of IC 3 by R26 and R25, the base stage of audion Q7 connects the negative pole of IC 9 diodes and the end of C16 by R26, and a contact, colelctor electrode that the emitter stage of IC 9 phototriodes connects the end of C17 and connects button switch K 4 connect the positive pole of diode D3 and the end of C14.2 feet of IC 3 and 6 feet connect the negative pole of the other end of boost treatment circuit and C14 and diode D3, an end, 3 feet that 5 feet meet C15 and connect boost treatment circuit and blood pressure lowering and handle the negative pole of inverter circuit, 7 foot sending and receiving optical diode LED4 and connect the 5v positive source, the other end ground connection of the positive pole of the emitter stage of audion Q7, LED 4, a contact of button switch K 4, C15～C17 by R23.After button switch K 4 is pressed, make boost treatment circuit and blood pressure lowering handle inverter circuit work, produce anode voltage respectively and cathode voltage adds to X-ray tube.
The treatment circuit that boosts of present embodiment is connected and composed by IC 1, audion Q1, diode D1, R1～R10, R22, C1～C8, potentiometer W1, potentiometer W2, coil L1, and the model of IC 1 is 494.14 feet of IC 1 connect the colelctor electrode of 15 feet and audion Q1 and the end of C4～C6, connect the base stage of audion Q1 by R5, connect 3 feet of IC 3 and connect 2 feet of IC 3 by R6 and R22, connect the end of R1 and C1 and C2, connect 8 feet and 11 feet and 13 feet, 5 feet connect the end of R22 and the other end and the boost inverter circuit of C4～C6 by R8,9 feet connect the end of R22 and the transforming circuit that boosts by R7,1 foot connects negative pole and the end of R9 and the end of C8 of diode D1,2 feet connect the end of R3 and R4 and C3,3 feet connect the other end of R4 and C3,16 foot ground connection.The emitter stage of audion Q1 connects the other end of C2 and connects the other end of C1 and the end of coil L1 by R2, another termination R9 of coil L1 and the end of C7, the end ground connection of the other end of the positive pole of diode D1, C7 and C8, potentiometer W1 and potentiometer W2, the other end of another termination R1 of potentiometer W1, the other end of adjustable termination R3, the other end ground connection of potentiometer W2, adjustable termination display circuit.The treatment circuit that boosts adds to IC 1 with voltage by+12V to be made it inversion and becomes the 20KC high frequency voltage to boost inverter circuit.
The boost inverter circuit of present embodiment is to be connected and composed by power tube Q3, power tube Q4, R31～R34, C26～C28, coil L2.The grid of power tube Q3 connects the other end of R7 and an end, the drain electrode of R31 connects booster transformer, source ground, the grounded-grid of power tube Q4, drain electrode connect the end of C27 and booster transformer, source ground, the end ground connection of the other end of R31 and R32 and C28, the end of C26 is by R33 ground connection, the end of C27 is by R34 ground connection, another termination booster transformer of C26～C28, the termination 24v positive source of coil L2, another termination booster transformer.To the boost high frequency voltage of treatment circuit output of boost inverter circuit carries out power amplification through power tube Q3, power tube Q4 and outputs to booster transformer.
The booster transformer of present embodiment is made of transformator T1.The other end of the drain electrode of the primary termination power tube Q3 of transformator T1 and the other end of C26, intermediate ends wiring circle L2 and the other end of C28, the drain electrode of another termination power tube Q4 and the other end of C27, T1 level of transformator connects current rectifying and wave filtering circuit.
The current rectifying and wave filtering circuit of present embodiment connects into voltage-multiplying circuit by diode D4～diode D9, R29, R30, C18～C22, and this high pressure adds to the anode of X-ray tube.
The blood pressure lowering of present embodiment is handled inverter circuit and is connected and composed by IC 2, audion Q2, power tube Q5, power tube Q6, diode D2, R11～R21, R40, C9～C13, C30, potentiometer W3, potentiometer W4, coil L3, and the model of IC 2 is 494.3 feet, the colelctor electrode that the base stage of audion Q2 connects IC 3 by R12 connects 3 feet of the end of R18 and C9 and IC 2 and connects 12v positive source, grounded emitter by R13.4 foot ground connection of IC 2,15 feet connect the adjustable end of potentiometer W4,16 feet connect the source electrode of power tube Q6 and pass through R40 ground connection, 2 feet connect the end of R18 and C9 and C12 and connect the adjustable end of potentiometer W3 by R19,1 foot connects the end of the negative pole of diode D2 and C11 and connects the end of C10 and coil L3 by R20,13 feet connect the end of 14 feet and C13,14 feet connect the end of potentiometer W4 and an end that meets potentiometer W3 by R11,8 feet connect the grid of 10 feet and power tube Q6 and the end of R15 also passes through R17 ground connection, 11 feet connect the end of R16,5 feet connect the end of C30,9 feet connect the source electrode of power tube Q5,6 feet connect the end of R21.Another termination 12v positive source of R15 and R16, the other end ground connection of R21 and C30, the end of another termination R19 of R18 and C9 and the end of C12, the other end ground connection of potentiometer W3 and potentiometer W4, the drain electrode of power tube Q5 and power tube Q6 connects step-down transformer, and the grid of power tube Q5 is by R14 ground connection.The other end ground connection of the positive pole of diode D2 and the other end of R40 and C10～C13, another termination step-down transformer of coil L3, display circuit.Blood pressure lowering processing inverter circuit provides voltage for the negative electrode of X-ray tube.
The step-down transformer of present embodiment is made of transformator T2, C29.The drain electrode of the drain electrode of the primary termination power tube Q5 of transformator T2, another termination power tube Q6, middle termination 12v positive source, the other end and the display circuit of one termination X-ray tube of T2 the utmost point of transformator, another termination X-ray tube and coil L3, the two ends of T2 the utmost point of two termination transformators of C29.
The model of the X-ray tube of present embodiment is XG-0.1/72.The anode of X-ray tube connects the other end of T2 the utmost point of another termination transformator of an end, negative electrode of T2 the utmost point of a termination transformator of positive pole, the negative electrode of the diode D9 of current rectifying and wave filtering circuit.
The display circuit of present embodiment is connected and composed by IC 4, IC 5, IC 7A, IC 7B, audion Q8, audion Q13～audion 15, charactron LED6, R35～R39, R41～R43, C31～C35, potentiometer W5～potentiometer W7, K switch 2, the model of IC 4 is CA3162E, the model of IC 5 is CA6131EX, and the model of IC 7A and IC 7B is 358.Boost adjustable end, in-phase input end 3 feet of another termination IC 7A and the end of C31 of potentiometer W2 of treatment circuit of the termination of R35, inverting input 2 feet of IC 7A connect the other end of an end, 4 feet and C31 of outfan 1 foot and potentiometer W5 and the other end ground connection of potentiometer W5, the emitter stage that 8 feet connect audion Q13～audion 15, a contact of the adjustable termination K switch 2 of potentiometer W5 by R37.In-phase input end 5 feet of IC 7B connect the other end of T2 the utmost point of depressor and an end, inverting input 6 feet of C35 connect the end of outfan 7 feet and potentiometer W7 and pass through R41 ground connection by R39, the other end ground connection of the other end of potentiometer W7 and C35, a contact of the adjustable termination K switch 2 of potentiometer W7.8 feet of IC 4 connect the end of potentiometer W6 by R36,9 feet connect the other end of potentiometer W6 by R38,5 feet and 6 feet connect the base stage of audion Q13,4 feet connect the base stage of audion Q14,3 feet connect base stage and 16 feet and 15 feet of audion Q15 and connect 6 feet and 2 feet of IC 5,2 feet connect 3 feet of IC 5,1 foot connects 1 foot of IC 5,7 feet and 13 foot ground connection, 14 feet connect 15 feet and 5v positive source, 13 foot ground connection, 12 feet connect the end of C34,11 feet connect the end of C32 and a contact of K switch 2, the end of the adjustable termination C33 of potentiometer W6, the other end ground connection of C32～C34.7 foot ground connection of IC 5,16 feet connect the 5v positive source, 14 feet connect 5 feet of charactron LED6,15 feet connect 10 feet of charactron LED6,9 feet connect 1 foot of charactron LED6,10 feet connect 2 feet of charactron LED6,11 feet connect 4 feet of charactron LED6,12 feet connect 7 feet of charactron LED6,13 feet connect 11 feet of charactron LED6, the base stage of audion Q8 connects a contact of K switch 2 by R42, colelctor electrode connects 3 feet of charactron LED6 by R43, the colelctor electrode of audion Q13 and audion Q14 connects 9 feet of charactron LED6 and a contact of 12 feet and K switch 2, and the colelctor electrode of audion Q15 connects 7 feet of charactron LED6.The anode voltage of X-ray tube, anode current analogue signal are through 3 feet of IC 7A, 5 inputs of IC 7B, by 1 foot of IC 7A, the 7 feet output of IC 7B, deliver to 11 feet of IC 4 through K switch 2, convert binary-coded decimal to by 1,2,15,16 feet of IC 4 and transport to IC 5 seven-segment decoders and become decadic signaling to deliver to charactron LED6 respectively.Audion Q15 does not stop scanning digital pipe LED6 respectively, makes it to show certain numerical value, and K switch 2 is switched demonstration usefulness as anode voltage, the anode current device of X-ray tube.
Claims (1)
1, a kind of Portable X-ray dentistry film making instrument, it is characterized in that it comprises: start-up circuit, treatment circuit boosts, boost inverter circuit, booster transformer, current rectifying and wave filtering circuit, inverter circuit is handled in blood pressure lowering, step-down transformer, X-ray tube, display circuit, the input termination 12v power supply of start-up circuit, inverter circuit is handled in boost treatment circuit and the blood pressure lowering of output termination, the output termination boost inverter circuit of treatment circuit boosts, the output termination booster transformer of boost inverter circuit, the output termination current rectifying and wave filtering circuit of booster transformer, the output termination X-ray tube of current rectifying and wave filtering circuit, the output termination step-down transformer of inverter circuit is handled in blood pressure lowering, and inverter circuit is handled in the output termination X-ray tube of step-down transformer and display circuit and blood pressure lowering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320109968 CN2662832Y (en) | 2003-12-19 | 2003-12-19 | Portable X-ray dental photography instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320109968 CN2662832Y (en) | 2003-12-19 | 2003-12-19 | Portable X-ray dental photography instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2662832Y true CN2662832Y (en) | 2004-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320109968 Expired - Fee Related CN2662832Y (en) | 2003-12-19 | 2003-12-19 | Portable X-ray dental photography instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2662832Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107924796A (en) * | 2015-06-30 | 2018-04-17 | 韩国威泰有限公司 | Portable X ray generating means with electric field transmitting X radiographic sources |
-
2003
- 2003-12-19 CN CN 200320109968 patent/CN2662832Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107924796A (en) * | 2015-06-30 | 2018-04-17 | 韩国威泰有限公司 | Portable X ray generating means with electric field transmitting X radiographic sources |
| CN107924796B (en) * | 2015-06-30 | 2020-06-30 | 韩国威泰有限公司 | Portable X-ray generating device with an electric field emission X-ray source |
| US10932734B2 (en) | 2015-06-30 | 2021-03-02 | Vatech Co., Ltd. | Portable x-ray generation device having electric field emission x-ray source |
| US10993679B2 (en) | 2015-06-30 | 2021-05-04 | Vatech Co., Ltd. | Portable x-ray generation device having electric field emission x-ray 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 |