CN109819572A - The Quick discharger of dentistry high-frequency X-ray - Google Patents
The Quick discharger of dentistry high-frequency X-ray Download PDFInfo
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- CN109819572A CN109819572A CN201910255911.1A CN201910255911A CN109819572A CN 109819572 A CN109819572 A CN 109819572A CN 201910255911 A CN201910255911 A CN 201910255911A CN 109819572 A CN109819572 A CN 109819572A
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- 239000003990 capacitor Substances 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000007423 decrease Effects 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 13
- 230000005622 photoelectricity Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Abstract
The Quick discharger of dentistry high-frequency X-ray provided by the invention, including filter rectifier module, inverter circuit module, filament drive module, auxiliary power module and cpu circuit module, filament drive module is also connected with power failure detection circuit module, the power failure detection circuit module includes diode D1, capacitor C1, resistance R1, photoelectrical coupler P1 and resistance R2, the pin 1 of the cathode access capacitor C1 of diode D1；The pin 1 of capacitor C1 accesses the pin 1 of photoelectrical coupler P1 also after resistance R1；The VL network designation of photoelectrical coupler P1 is linked on CPU pin 7 as voltage outage detection point；Under ideal case, there is no work for filament drive module, when the CPU pin 7 in cpu circuit module detects high level, open filament drive module drives work, to the continuous discharge electric current of the voltage+HV of big electrolytic capacitor C2 and capacitor C3, voltage continues to decline, and until the power supply of auxiliary power module does not work, quickly shuts down after playing power-off.
Description
[technical field]
The present invention relates to dentistry high-frequency X-ray more particularly to the Quick dischargers of dentistry high-frequency X-ray.
[background technique]
Dental hospital and clinic are the places for integrating inspection, diagnosis, treatment, in many dental cares operation, often
It often needs to use dental X-ray apparatus, during the diagnosis and treatment of dentistry illness, dental X-ray apparatus increasingly plays very important
Effect.
It is by becoming direct current after input net piezoelectric voltage filter rectification, so that existing dentistry high-frequency X-ray, which generates high pressure,
Afterwards, three tunnels of direct current point provide the circuit electric energy of different function respectively: being inverter circuit module all the way, generate the electricity of high voltagehigh frequency
Pressure obtains the tube voltage circuit of general 70 kilovolts of X-ray tube by voltage multiplying rectifier；It is filament drive module all the way, generates low
Pressure, provides X-ray tube cathode voltage, that is, filament voltage；It is auxiliary power module, the low tension of generation+12V and 5V all the way
Source, for work such as cpu circuit and driving circuits.
Since dentistry high-frequency X-ray rated power is about in 900VA or so, in order to maintain the DC voltage wave before inversion
Move smaller, filter capacitor generally requires bigger, and total capacity is only auxiliary when equipment is in standby close to 1000uF
Power module is helped to work, power consumption is very small, and probably in 1~2VA or so, when the device is powered off, capacitance voltage needs drop to big
Accessory power supply does not just work when general 70V.It is basic only by auxiliary electricity after dentistry dentistry high-frequency X-ray power-off currently on the market
The power consumption in source is discharged, and equipment needs to maintain to shut down up to 10 seconds or more time, and this prolonged shutdown brings very big
Inconvenience；First is that after needing that long time is waited to discharge, wiring board could be dismantled when inside plants personnel debug measurement circuit plate
Next step test is carried out, efficiency is relatively low；Second is that user using when needing to restart machine, the waiting time is too long, experience sense
It is deteriorated.
[summary of the invention]
The present invention bring that effectively solves to discharge for a long time is inconvenient, and providing one kind can be realized fast break, fast automatic
The Quick discharger of the dentistry high-frequency X-ray of electric discharge.
In order to achieve the above-mentioned object of the invention, the technical solution adopted by the present invention is that:
The Quick discharger of dentistry high-frequency X-ray, including 220V is inputted into the electric shape after carrying out voltage filter rectification of net
At the filter rectifier module of direct current, the inverter circuit module being electrically connected with direct current, the filament drive being electrically connected with direct current
Module, the auxiliary power module being electrically connected with direct current and cpu circuit module, the inverter circuit module generate the electricity of high voltagehigh frequency
Pressure obtains 70 kilovolts of tube voltage circuits of X-ray tube in dentistry high-frequency X-ray through voltage multiplying rectifier, and the filament drive module mentions
For X-ray tube cathode low-voltage in dentistry high-frequency X-ray, the auxiliary power module provides cpu circuit module and driving electricity
The low-tension supply of+12V and 5V needed for road；
The filament drive module is also connected with the power failure detection circuit module discharged using filament drive module, should
Power failure detection circuit module includes diode D1, capacitor C1, resistance R1, photoelectrical coupler P1 and resistance R2；
The anode of the diode D1 is connect with the 220V L line for inputting net electricity, the cathode access capacitor C1's of diode D1
The pin 2 of pin 1, capacitor C1 accesses AGND；
The pin 1 of the capacitor C1 accesses the pin 1 of photoelectrical coupler P1 also after resistance R1 current limliting；
The pin 3 of the photoelectrical coupler P1 connects secondary GND, the pin of the 4 connecting resistance R2 of pin of photoelectrical coupler P1
1；
The VL network designation of the photoelectrical coupler P1 is linked into cpu circuit module as voltage outage detection point
On CPU pin 7；
Circuit between the filter rectifier module and the filament drive module is also connected in parallel to big electrolysis electricity
Hold C2 and capacitor C3；
When power-off, capacitor C1 both end voltage moment is dragged down by resistance R1 and photoelectrical coupler P1 load and close to 0, photoelectricity coupling
Pin 1 and 2 no current of pin on clutch P1 flow through, and 4 voltage of pin on photoelectrical coupler P1 becomes 5V from 0V；
Under ideal case, the driving circuit of filament drive module is there is no working, when the CPU pin 7 in cpu circuit module
When detecting high level, open filament drive module drives work, increases to the voltage+HV's of big electrolytic capacitor C2 and capacitor C3
Continuous discharge electric current, voltage continues to decline, until the auxiliary electric power supply of auxiliary power module does not work, due to filament drive mould
The drive circuit power consumption of block is in 10VA, and compared with 1~2VA of stand-by power consumption, the velocity of discharge be can be improved close to 10 times, this discharge process is only
2-3 seconds time is needed, the waiting time is substantially reduced, improves production efficiency, is quickly shut down after playing power-off.
Further, in the circuit of the power failure detection circuit module, diode D1 and capacitor C1 constitute halfwave rectifier electricity
Road.
Further, the photoelectrical coupler P1 uses PC817 chip.
Further, the pin 1 of the photoelectrical coupler P1 is the cathode for powering off voltage.
Further, the pin 2 of the resistance R2 is connected to the+5V of auxiliary power module.
The beneficial effects of the present invention are:
The present invention adds power failure detection circuit module in original circuit, utilizes the X-ray tube of dentistry high-frequency X-ray
Filament works as load discharge, substantially reduces the unused time after power-off, solves electric discharge bring inconvenience for a long time, after realizing power-off
Automatic quick discharging function, improves production efficiency, reduces costs, and also reduces user and needs restarting equipment bring trouble.
I.e. by increasing the power failure detection circuit module being electrically connected with filament drive module, carried out using filament drive module
Electric discharge will not be to original circuit and X due to carrying out normal warm operation using the output parameter of original filament drive module
Ray tube has an adverse effect.
And in the circuit of power failure detection circuit module, diode D1 and capacitor C1 constitute half-wave rectifying circuit, when power-off,
Capacitor C1 both end voltage moment is dragged down by resistance R1 and photoelectrical coupler P1 load and the pin 1 close to 0, on photoelectrical coupler P1
It is flowed through with 2 no current of pin, 4 voltage of pin on photoelectrical coupler P1 becomes 5V from 0V.
Under ideal case, the driving circuit of filament drive module is there is no working, when the CPU pin 7 in cpu circuit module
When detecting high level, open filament drive module drives work, increases to the voltage+HV's of big electrolytic capacitor C2 and capacitor C3
Continuous discharge electric current, voltage continues to decline, until the auxiliary electric power supply of auxiliary power module does not work, due to filament drive mould
The drive circuit power consumption of block is in 10VA, and compared with 1~2VA of stand-by power consumption, the velocity of discharge be can be improved close to 10 times, this discharge process is only
2~3 second time is needed, the waiting time is substantially reduced, improves production efficiency, is quickly shut down after playing power-off.
[Detailed description of the invention]
Fig. 1 is main body circuit schematic diagram in dental X-ray apparatus of the present invention；
Fig. 2 is the enlarged diagram of point of interruption detection circuit module of the present invention；
Fig. 3 is the enlarged diagram of inverter circuit module in the present invention；
Fig. 4 is the enlarged diagram of auxiliary power module in the present invention；
A specific embodiment of the invention is described in more detail below in conjunction with attached drawing.
[specific embodiment]
220V as shown in Figures 1 to 4, including is inputted net electricity and carries out electricity by the Quick discharger of dentistry high-frequency X-ray
Filter rectifier module 1, the inverter circuit module 2 being electrically connected with direct current and the direct current of direct current are formed after pressure filter rectification
The auxiliary power module 4 and cpu circuit module 5 that the filament drive module 3 and direct current being electrically connected are electrically connected, the inverter circuit mould
The voltage that block 2 generates high voltagehigh frequency obtains 70 kilovolts of tube voltage electricity of X-ray tube in dentistry high-frequency X-ray through voltage multiplying rectifier
Road, the filament drive module 3 provide X-ray tube cathode low-voltage in dentistry high-frequency X-ray, which provides
The low-tension supply of+12V and 5V needed for cpu circuit module 5 and driving circuit；The filament drive module 3, which is also connected with, utilizes filament
The power failure detection circuit module 6 that drive module 3 is discharged, the power failure detection circuit module 6 include diode D1, capacitor C1,
Resistance R1, photoelectrical coupler P1 and resistance R2, wherein photoelectrical coupler P1 uses PC817 chip.
As depicted in figs. 1 and 2, the anode of diode D1 is connect with the 220V L line for inputting net electricity, and the cathode of diode D1 connects
Enter the pin 1 of capacitor C1, the pin 2 of capacitor C1 accesses AGND；The pin 1 of capacitor C1 also accesses photoelectricity after resistance R1 current limliting
The pin 1 of coupler P1, the pin 1 of photoelectrical coupler P1 are the cathode for powering off voltage；The pin 3 of photoelectrical coupler P1 connects secondary
GND, the pin 1 of the 4 connecting resistance R2 of pin of photoelectrical coupler P1, the pin 2 of resistance R2 is connected to the+5V of auxiliary power module；
The VL network designation of photoelectrical coupler P1 is linked on the CPU pin 7 in cpu circuit module 5 as voltage outage detection point；
Big electrolytic capacitor C2 and capacitor are also connected in parallel on circuit between filter rectifier module 1 and filament drive module 3
C3；Wherein, in the circuit of power failure detection circuit module 6, diode D1 and capacitor C1 constitute half-wave rectifying circuit.
As shown in Figures 1 to 4, when power-off, capacitor C1 both end voltage moment is drawn by resistance R1 and photoelectrical coupler P1 load
Low and close to 0, pin 1 and 2 no current of pin on photoelectrical coupler P1 flow through, 4 voltage of pin on photoelectrical coupler P1 from
0V becomes 5V.
As shown in Figures 1 to 4, under ideal case, the driving circuit of filament drive module 3 works as cpu circuit there is no working
When CPU pin 7 in module 5 detects high level, open filament drive module 3 drives work, increases to big electrolytic capacitor C2
With the continuous discharge electric current of the voltage+HV of capacitor C3, voltage is continued to decline, until the auxiliary electric power supply of auxiliary power module 4
It does not work, quickly shuts down after playing power-off.
Work as load discharge using the X-ray tube filament of dentistry high-frequency X-ray, due to the driving of filament drive module 3
Circuit power consumption is in 10VA, and compared with 1~2VA of stand-by power consumption, the velocity of discharge be can be improved close to 10 times, this discharge process only needs 2-3
Time second substantially reduces the unused time after power-off, solves bring inconvenience of discharging for a long time, automatic quick after realization power-off
Discharging function substantially reduces the waiting time, improves production efficiency, reduces costs, and also reduces user and needs restarting equipment
Bring trouble.Moreover, because the output parameter using original filament drive module 3 carries out normal warm operation, it will not
Have an adverse effect to original circuit and X-ray tube.
Embodiment described above is only presently preferred embodiments of the present invention, and but not intended to limit the scope of the present invention,
It is all according to equivalence changes made by the shape of the present invention, construction and principle, should all be covered by protection scope of the present invention.
Claims (5)
1. the Quick discharger of dentistry high-frequency X-ray, including 220V is inputted after net electricity carries out voltage filter rectification and is formed
The filter rectifier module of direct current, the inverter circuit module being electrically connected with direct current, the filament drive mould being electrically connected with direct current
Block, the auxiliary power module being electrically connected with direct current and cpu circuit module, the inverter circuit module generate the voltage of high voltagehigh frequency
70 kilovolts of tube voltage circuits of X-ray tube in dentistry high-frequency X-ray are obtained through voltage multiplying rectifier, the filament drive module provides
X-ray tube cathode low-voltage in dentistry high-frequency X-ray, the auxiliary power module provide cpu circuit module and driving circuit
The low-tension supply of required+12V and 5V；It is characterized by:
The filament drive module is also connected with the power failure detection circuit module discharged using filament drive module, the power-off
Detection circuit module includes diode D1, capacitor C1, resistance R1, photoelectrical coupler P1 and resistance R2；
The anode of the diode D1 is connect with the 220V L line for inputting net electricity, the pin of the cathode access capacitor C1 of diode D1
The pin 2 of 1, capacitor C1 access AGND；
The pin 1 of the capacitor C1 accesses the pin 1 of photoelectrical coupler P1 also after resistance R1 current limliting；
The pin 3 of the photoelectrical coupler P1 connects secondary GND, the pin 1 of the 4 connecting resistance R2 of pin of photoelectrical coupler P1；
As voltage outage detection point, the CPU being linked into cpu circuit module draws the VL network designation of the photoelectrical coupler P1
On foot 7；
Circuit between the filter rectifier module and the filament drive module is also connected in parallel to big electrolytic capacitor C2
With capacitor C3；
When power-off, capacitor C1 both end voltage moment is dragged down by resistance R1 and photoelectrical coupler P1 load and close to 0, photoelectrical coupler
Pin 1 and 2 no current of pin on P1 flow through, and 4 voltage of pin on photoelectrical coupler P1 becomes 5V from 0V；
Under ideal case, the driving circuit of filament drive module is there is no working, when the CPU pin 7 in cpu circuit module detects
When to high level, open filament drive module drives work, increases and continues to the voltage+HV of big electrolytic capacitor C2 and capacitor C3
Discharge current, voltage continues to decline, and until the auxiliary electric power supply of auxiliary power module does not work, quickly closes after playing power-off
Machine.
2. the Quick discharger of dentistry high-frequency X-ray according to claim 1, which is characterized in that the power-off inspection
In the circuit of slowdown monitoring circuit module, diode D1 and capacitor C1 constitute half-wave rectifying circuit.
3. the Quick discharger of dentistry high-frequency X-ray according to claim 1, which is characterized in that the photoelectricity coupling
Clutch P1 uses PC817 chip.
4. the Quick discharger of dentistry high-frequency X-ray according to claim 1, which is characterized in that the photoelectricity coupling
The pin 1 of clutch P1 is the cathode for powering off voltage.
5. the Quick discharger of dentistry high-frequency X-ray according to claim 1, which is characterized in that the resistance R2
Pin 2 be connected to the+5V of auxiliary power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255911.1A CN109819572A (en) | 2019-03-29 | 2019-03-29 | The Quick discharger of dentistry high-frequency X-ray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255911.1A CN109819572A (en) | 2019-03-29 | 2019-03-29 | The Quick discharger of dentistry high-frequency X-ray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109819572A true CN109819572A (en) | 2019-05-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910255911.1A Pending CN109819572A (en) | 2019-03-29 | 2019-03-29 | The Quick discharger of dentistry high-frequency X-ray |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1102388A2 (en) * | 1999-11-10 | 2001-05-23 | Electromed International, Ltd. | High-voltage X-ray generator |
| US7016468B1 (en) * | 2003-03-12 | 2006-03-21 | Progeny, Inc. | X-ray tube preheat control |
| US20060280289A1 (en) * | 2005-06-08 | 2006-12-14 | Gary Hanington | X-ray tube driver using am and fm modulation |
| CN102368886A (en) * | 2011-12-05 | 2012-03-07 | 张继科 | High-frequency high-voltage X-ray defect detector |
| CN204407980U (en) * | 2015-03-10 | 2015-06-17 | 南京普爱射线影像设备有限公司 | A kind of electric discharge device of Large Copacity high-voltage capacitance |
| CN105024419A (en) * | 2014-04-17 | 2015-11-04 | 深圳迈瑞生物医疗电子股份有限公司 | Mobile medical equipment and power supply device used for same |
| CN108173423A (en) * | 2018-02-07 | 2018-06-15 | 东莞育嘉电子有限公司 | For the diode discharge circuit of chassis power supply |
| CN108566713A (en) * | 2018-05-03 | 2018-09-21 | 珠海市睿影科技有限公司 | Capacitance charge/discharge control circuit and X-ray machine for capacitive energy storage high pressure generator |
| CN209882191U (en) * | 2019-03-29 | 2019-12-31 | 珠海西格医疗设备有限公司 | Quick discharge device of dental high-frequency X-ray machine |
-
2019
- 2019-03-29 CN CN201910255911.1A patent/CN109819572A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1102388A2 (en) * | 1999-11-10 | 2001-05-23 | Electromed International, Ltd. | High-voltage X-ray generator |
| US7016468B1 (en) * | 2003-03-12 | 2006-03-21 | Progeny, Inc. | X-ray tube preheat control |
| US20060280289A1 (en) * | 2005-06-08 | 2006-12-14 | Gary Hanington | X-ray tube driver using am and fm modulation |
| CN102368886A (en) * | 2011-12-05 | 2012-03-07 | 张继科 | High-frequency high-voltage X-ray defect detector |
| CN105024419A (en) * | 2014-04-17 | 2015-11-04 | 深圳迈瑞生物医疗电子股份有限公司 | Mobile medical equipment and power supply device used for same |
| CN204407980U (en) * | 2015-03-10 | 2015-06-17 | 南京普爱射线影像设备有限公司 | A kind of electric discharge device of Large Copacity high-voltage capacitance |
| CN108173423A (en) * | 2018-02-07 | 2018-06-15 | 东莞育嘉电子有限公司 | For the diode discharge circuit of chassis power supply |
| CN108566713A (en) * | 2018-05-03 | 2018-09-21 | 珠海市睿影科技有限公司 | Capacitance charge/discharge control circuit and X-ray machine for capacitive energy storage high pressure generator |
| CN209882191U (en) * | 2019-03-29 | 2019-12-31 | 珠海西格医疗设备有限公司 | Quick discharge device of dental high-frequency X-ray machine |
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