CN203801133U - Monolithic capacitor power supply circuit for LED lamp of photocuring machine - Google Patents
Monolithic capacitor power supply circuit for LED lamp of photocuring machine Download PDFInfo
- Publication number
- CN203801133U CN203801133U CN201420207488.0U CN201420207488U CN203801133U CN 203801133 U CN203801133 U CN 203801133U CN 201420207488 U CN201420207488 U CN 201420207488U CN 203801133 U CN203801133 U CN 203801133U
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- CN
- China
- Prior art keywords
- led lamp
- diode
- control unit
- capacitor
- solidification machine
- 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 - Lifetime
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 38
- 238000000016 photochemical curing Methods 0.000 title abstract 7
- 230000005669 field effect Effects 0.000 claims abstract description 18
- 238000007711 solidification Methods 0.000 claims description 36
- 230000008023 solidification Effects 0.000 claims description 36
- 230000000087 stabilizing effect Effects 0.000 claims description 14
- 239000000178 monomer Substances 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000000379 polymerizing effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Abstract
The utility model discloses a monolithic capacitor power supply circuit for a LED lamp of a photocuring machine. The anode of a super capacitor is connected to an input end of a control unit through a first voltage monitoring circuit, is connected to the anode of a diode D2 through an electric inductor L1 and is directly connected to the anode of a diode D1. A cathode of the diode D1 is connected to the power supply end of the control unit through a voltage stabilization circuit and is connected to the input end of the control unit through a second voltage monitoring circuit. The cathode of the diode D2 is connected to the cathode of the diode D1 and the anode of the LED lamp of the photocuring machine. The anode of a capacitor C1 is connected to the anode of the LED lamp of the photocuring machine and the cathode of the capacitor C1 is connected to the cathode of the LED lamp of the photocuring machine. The drain electrode of a field-effect tube Q1 is connected between the electric inductor L1 and the diode D2, the grid electrode of the field-effect tube is connected to the cathode of the LED lamp of the photocuring machine and the cathode of the super capacitor, and the source electrode of the field-effect tube Q1 is connected to the output end of the control unit. The monolithic capacitor power supply circuit for the LED lamp of the photocuring machine is quick in charging, long in service life and high in stability.
Description
Technical field
The utility model relates to photo solidification machine technical field, is specifically related to a kind of monomer capacitances to supply power circuit of photo solidification machine LED lamp.
Background technology
Dental photo solidification machine is a kind of tooth prosthetic appliance, and the light radiation of sending by the LED lamp on main frame can allow light-cured resin rapidly and effective polymerizing curable at short notice.Supply power mode when existing photo solidification machine work has two kinds: the one, directly powered by outside tooth chair or electric network source, and the 2nd, by the lithium ion battery power supply of built-in high power capacity on main frame.The battery-powered mode of lithium-ion electric is compared to tooth chair or electric network source method of supplying power to, there is no the restriction of electric wire, mobile and easy to use, and be once full of the longevity of service (more than 200 times) after electricity, thereby in portable photo solidification machine, obtained use more and more widely.But, although easy to use by the mode of lithium battery power supply, be once full of the longevity of service (more than 200 times) after electricity, the time of the each charging of lithium battery is longer, conventionally need 2-3 hour, and the useful life of lithium battery is limited.In addition, because the output voltage difference of lithium battery under full electricity and electroless state is very large, thereby the LED lamp of photo solidification machine is difficult to keep a stable light intensity output in the time of work, and then make light-cured resin occur the phenomenon that state of cure inequality or curing rate are excessively slow, and greatly affected the polymerizing curable effect of light-cured resin.
Utility model content
Technical problem to be solved in the utility model is lithium ion battery supply power mode charging interval length and limited deficiency of life-span, and a kind of monomer capacitances to supply power circuit of photo solidification machine LED lamp is provided.
For addressing the above problem, the utility model is achieved through the following technical solutions:
A monomer capacitances to supply power circuit for photo solidification machine LED lamp, mainly by super capacitor, 2 electric voltage observation circuits, voltage stabilizing circuit, 2 diode D1, D2, inductance L 1, capacitor C 1, field effect transistor Q1 and control unit composition; Wherein the positive pole of super capacitor is divided into 3 tunnels, and road first electric voltage observation circuit is connected with an input of control unit, and a road directly connects the anode of diode D1, and a road connects the anode of diode D2 through inductance L 1; The negative electrode of diode D1 is also divided into 2 tunnels, and a road is through the power end of voltage stabilizing circuit connection control unit, and a road is connected with another input of control unit through second voltage observation circuit; The negative electrode of diode D2 connects the negative electrode of diode D1 and the positive pole of photo solidification machine LED lamp simultaneously; The positive pole of capacitor C 1 connects the positive pole of photo solidification machine LED lamp, and the negative pole of capacitor C 1 connects the negative pole of photo solidification machine LED lamp; The drain electrode of field effect transistor Q1 is connected between inductance L 1 and the anode of diode D2, and the grid of field effect transistor Q1 connects the negative pole of photo solidification machine LED lamp and the negative pole of super capacitor, the output of the source electrode connection control unit of field effect transistor Q1.
In such scheme, described electric voltage observation circuit comprises resistance R 1 and the resistance R 2 of mutual series connection; The input of the end connection control unit that is connected of resistance R 1 and resistance R 2, the negative electrode of another terminating diode D1 of R1, the negative pole of another termination photo solidification machine LED lamp of resistance R 2.
In such scheme, described voltage stabilizing circuit is voltage stabilizing chip.
In such scheme, described capacitor C 1 is electrochemical capacitor.
Compared with prior art, the utility model is powered to photo solidification machine with super capacitor, although the electric weight that electric capacity can be laid in is fewer than lithium battery, once after charging, enough photo solidification machines use 2-3 time, meet doctor's clinical use completely.Can realize and allow photo solidification machine break away from the cable that externally fed uses by capacitances to supply power, topmost advantage is that charging is quick, and being once full of the electric time is 40-60 second, the overlength in useful life of electric capacity, can use more than 10 years, and use lithium battery to only have 2 years.Use the stability of super capacitor higher than lithium battery, do not have the risk of blast.In addition, circuit structure of the present utility model is simple, and can overcome single electric capacity in the time being full of electricity voltage compared with voltage low and that be difficult to meet system power supply demand and electric capacity the large deficiency of difference under full electricity and electroless state, can be to a stable voltage of the load of photo solidification machine (LED lamp) output, and allow LED lamp when work of photo solidification machine keep a stable light intensity output, ensure light-cured resin rapid and effective polymerizing curable at short notice, guarantee the effect that tooth is repaired.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of monomer capacitances to supply power circuit of photo solidification machine LED lamp.
Fig. 2 is the schematic diagram of electric voltage observation circuit.
Fig. 3 is the schematic diagram of voltage stabilizing circuit.
Embodiment
A monomer capacitances to supply power circuit for photo solidification machine LED lamp, as shown in Figure 1, mainly by super capacitor, 2 electric voltage observation circuits, voltage stabilizing circuit, 2 diode D1, D2, inductance L 1, electrochemical capacitor C1, field effect transistor Q1 and control unit composition; Wherein the positive pole of super capacitor is divided into 3 tunnels, and road first electric voltage observation circuit is connected with an input of control unit, and a road directly connects the anode of diode D1, and a road connects the anode of diode D2 through inductance L 1; The negative electrode of diode D1 is also divided into 2 tunnels, and a road is through the power end of voltage stabilizing circuit connection control unit, and a road is connected with another input of control unit through second voltage observation circuit; The negative electrode of diode D2 connects the negative electrode of diode D1 and the positive pole of photo solidification machine LED lamp simultaneously; The positive pole of electrochemical capacitor C1 connects the positive pole of photo solidification machine LED lamp, and the negative pole of electrochemical capacitor C1 connects the negative pole of photo solidification machine LED lamp; The drain electrode of field effect transistor Q1 is connected between inductance L 1 and the anode of diode D2, and the grid of field effect transistor Q1 connects the negative pole of photo solidification machine LED lamp and the negative pole of super capacitor, the output of the source electrode connection control unit of field effect transistor Q1.
As shown in Figure 2, described electric voltage observation circuit comprises resistance R 1 and the resistance R 2 of mutual series connection.The input of the end connection control unit that is connected of resistance R 1 and resistance R 2, the negative electrode of another terminating diode D1 of R1, the negative pole of another termination photo solidification machine LED lamp of resistance R 2.As shown in Figure 3, described voltage stabilizing circuit is voltage stabilizing chip.
In the time that super capacitor is full of electricity, power to control unit by diode D1, voltage stabilizing circuit, after control unit work, export PWM and control opening and closing of field effect transistor Q1, field effect transistor Q1 and inductance L 1 coordinate, realization is boosted, and the electric energy after boosting also offers control unit when offering load (LED lamp), control unit can not be worked because of the decline of super capacitor electric weight, improved the stability of control unit work.Simultaneously control unit also monitor the voltage at super capacitor two ends and boost after voltage, control unit is exported the duty ratio of PWM by adjustments, therefore the size of adjustable output voltage can make output voltage maintenance stablize.
Control unit is equivalent to a pulse width modulation module, and it can continue to use the inner original control unit of photo solidification machine, can be also the control unit for setting up in addition, but is no matter the control unit of establishing or additionally setting up in original.Control unit is monitored the voltage of super capacitor, and object is that voltage can decline because super capacitor is in the time discharging, control unit is by the voltage of monitoring super capacitor, can be in the time of super capacitor brownout, make and reporting to the police or prompting, estimate the residue up time etc.Voltage after control unit monitoring is boosted, be mainly for the voltage after making to boost more stable.Voltage after control unit monitoring when output PWM drives field effect transistor to boost is boosted, and voltage and preset value (setting in program) after boosting are compared, when voltage after boosting is less than preset value, increase the duty ratio of PWM, improve the voltage after boosting; Otherwise the duty ratio that reduces PWM, reduces output voltage.So circulation, constantly adjusts, thereby reaches the object of regulated output voltage.
Claims (4)
1. the monomer capacitances to supply power circuit of photo solidification machine LED lamp, is characterized in that: mainly by super capacitor, and 2 electric voltage observation circuits, voltage stabilizing circuit, 2 diode D1, D2, inductance L 1, capacitor C 1, field effect transistor Q1 and control unit composition; Wherein the positive pole of super capacitor is divided into 3 tunnels, and road first electric voltage observation circuit is connected with an input of control unit, and a road directly connects the anode of diode D1, and a road connects the anode of diode D2 through inductance L 1; The negative electrode of diode D1 is also divided into 2 tunnels, and a road is through the power end of voltage stabilizing circuit connection control unit, and a road is connected with another input of control unit through second voltage observation circuit; The negative electrode of diode D2 connects the negative electrode of diode D1 and the positive pole of photo solidification machine LED lamp simultaneously; The positive pole of capacitor C 1 connects the positive pole of photo solidification machine LED lamp, and the negative pole of capacitor C 1 connects the negative pole of photo solidification machine LED lamp; The drain electrode of field effect transistor Q1 is connected between inductance L 1 and the anode of diode D2, and the grid of field effect transistor Q1 connects the negative pole of photo solidification machine LED lamp and the negative pole of super capacitor, the output of the source electrode connection control unit of field effect transistor Q1.
2. the monomer capacitances to supply power circuit of photo solidification machine LED lamp according to claim 1, is characterized in that: described electric voltage observation circuit comprises resistance R 1 and the resistance R 2 of mutual series connection; The input of the end connection control unit that is connected of resistance R 1 and resistance R 2, the negative electrode of another terminating diode D1 of R1, the negative pole of another termination photo solidification machine LED lamp of resistance R 2.
3. the monomer capacitances to supply power circuit of photo solidification machine LED lamp according to claim 1, is characterized in that: described voltage stabilizing circuit is voltage stabilizing chip.
4. the monomer capacitances to supply power circuit of photo solidification machine LED lamp according to claim 1, is characterized in that: described capacitor C 1 is electrochemical capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420207488.0U CN203801133U (en) | 2014-04-25 | 2014-04-25 | Monolithic capacitor power supply circuit for LED lamp of photocuring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420207488.0U CN203801133U (en) | 2014-04-25 | 2014-04-25 | Monolithic capacitor power supply circuit for LED lamp of photocuring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203801133U true CN203801133U (en) | 2014-08-27 |
Family
ID=51383316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420207488.0U Expired - Lifetime CN203801133U (en) | 2014-04-25 | 2014-04-25 | Monolithic capacitor power supply circuit for LED lamp of photocuring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203801133U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103957633A (en) * | 2014-04-25 | 2014-07-30 | 桂林市啄木鸟医疗器械有限公司 | Single-capacitor power supply circuit of photo-curing machine LED lamp |
| CN105050255A (en) * | 2015-07-08 | 2015-11-11 | 芜湖纯元光电设备技术有限公司 | Power supply structure of medical light curing machine LED lamp |
| CN105357801A (en) * | 2015-12-02 | 2016-02-24 | 芜湖纯元光电设备技术有限公司 | Safety power supply system used for solidification machine light source |
-
2014
- 2014-04-25 CN CN201420207488.0U patent/CN203801133U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103957633A (en) * | 2014-04-25 | 2014-07-30 | 桂林市啄木鸟医疗器械有限公司 | Single-capacitor power supply circuit of photo-curing machine LED lamp |
| CN105050255A (en) * | 2015-07-08 | 2015-11-11 | 芜湖纯元光电设备技术有限公司 | Power supply structure of medical light curing machine LED lamp |
| CN105357801A (en) * | 2015-12-02 | 2016-02-24 | 芜湖纯元光电设备技术有限公司 | Safety power supply system used for solidification machine light source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |