CN206821052U - One kind is without stroboscopic mouth lamp - Google Patents
One kind is without stroboscopic mouth lamp Download PDFInfo
- Publication number
- CN206821052U CN206821052U CN201720588622.XU CN201720588622U CN206821052U CN 206821052 U CN206821052 U CN 206821052U CN 201720588622 U CN201720588622 U CN 201720588622U CN 206821052 U CN206821052 U CN 206821052U
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- China
- Prior art keywords
- electric capacity
- filter module
- output
- led light
- switching tube
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The utility model discloses one kind without stroboscopic mouth lamp, driving power including LED light source and driving LED light source, the driving power includes DC port, input filter module, voltage reduction module and output filter module, the voltage reduction module includes decompression chip, inductance, diode, first electric capacity and first resistor, the decompression chip is configured with switching tube drain output, the switching tube drain output of the decompression chip is connected with diode cathode, the diode cathode ground connection, first electric capacity and first resistor are connected between the switching tube drain output and ground of the decompression chip.The utility model is applied to voltage-dropping type constant current LED driving power source, the first electric capacity is set up between the switching tube drain output and ground of decompression chip and first resistor forms RC absorbing circuits, absorb the clutter of driving power, the degree of fluctuation that driving power is output to LED light ource electric current is reduced, so as to solve the stroboscopic problem of LED light source.
Description
Technical field
Lighting field is the utility model is related to, more particular to one kind is without stroboscopic mouth lamp.
Background technology
During medical teaching, to obtain more preferable teaching efficiency, people will cure usually using the means of Teaching video recording
Under raw whole surgical procedure record, but because traditional LED mouth lamps occur due to the defects of used driving power
Stroboscopic phenomenon, cause when being recorded a video using camera device, the light and dark striped of similar water ripples be present in captured video recording,
Video recording effect is had a strong impact on, and the stroboscopic phenomenon of traditional oral lamp easily brings fatigue to the eyes of people, in surgical procedure
Bring certain hidden danger.
Utility model content
The technical problems to be solved in the utility model is：A kind of LED mouth lamps of no stroboscopic are provided.
The solution that the utility model solves its technical problem is：
One kind is without stroboscopic mouth lamp, including LED light source and the driving power for driving LED light source, the driving power bag
DC port, input filter module, voltage reduction module and output filter module are included, the voltage reduction module includes decompression chip, electricity
Sense, diode, the first electric capacity and first resistor, the decompression chip are configured with switching tube drain output, the DC terminal
Mouth is connected with input filter module, and the input filter module is connected with decompression chip input, the switch of the decompression chip
Pipe drain output is connected by inductance with output filter module, and the output filter module is connected with LED light source, the decompression
The switching tube drain output of chip is connected with diode cathode, the diode cathode ground connection, first electric capacity and first
Resistant series are between the switching tube drain output and ground of the decompression chip.
As the further improvement of above-mentioned technical proposal, the input filter module includes the second electric capacity and the 3rd electric capacity,
Second electric capacity and the 3rd electric capacity are connected in parallel on DC port output end, and second electric capacity and the 3rd electric capacity are electrolysis electricity respectively
Appearance and ceramic disc capacitor.
As the further improvement of above-mentioned technical proposal, the output filter module includes the 4th electric capacity and the 5th electric capacity,
4th electric capacity and the 5th electric capacity are connected in parallel on LED light source both ends, and the 4th electric capacity and the 5th electric capacity are electrochemical capacitor respectively
And ceramic disc capacitor.
The beneficial effects of the utility model are：The utility model is applied to voltage-dropping type constant current LED driving power source, in decompression core
The first electric capacity is set up between the switching tube drain output and ground of piece and first resistor forms RC absorbing circuits, absorbs driving power
Clutter, reduce driving power and be output to the degree of fluctuation of LED light ource electric current, so as to solve the stroboscopic problem of LED light source.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described.Obviously, described accompanying drawing is part of the embodiment of the present utility model, rather than entirely
Portion's embodiment, those skilled in the art on the premise of not paying creative work, can also obtain it according to these accompanying drawings
His design and accompanying drawing.
Fig. 1 is circuit frame figure of the present utility model；
Fig. 2 is the circuit theory diagrams of the utility model embodiment.
Embodiment
Design, concrete structure and caused technique effect of the present utility model are carried out below with reference to embodiment and accompanying drawing
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is part of the embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area
The other embodiment that art personnel are obtained on the premise of not paying creative work, belong to the model of the utility model protection
Enclose.In addition, all annexations being previously mentioned in text, not single finger element directly connects, and refer to can according to specific implementation feelings
Condition, by adding or reducing connecting element, to form more excellent connection circuit.Each technical characteristic in the invention,
Can be with combination of interactions on the premise of not conflicting conflict.
There is the technical problem of stroboscopic in 1~Fig. 2 of reference picture, unresolved LED mouth lamps in the prior art, the utility model is public
A kind of LED mouth lamps of no stroboscopic, including LED light source and the driving power for driving LED light source, the driving power bag are opened
DC port, input filter module, voltage reduction module and output filter module are included, the DC port is arranged on installation LED light
On the light fixture in source, the voltage reduction module includes decompression chip U1, inductance L1, diode D1, the first electric capacity C1 and first resistor
R1, the decompression chip U1 are configured with switching tube drain output, and the DC port is connected with input filter module, described defeated
Enter filtration module with decompression chip U1 inputs to be connected, the switching tube drain output of the decompression chip U1 by inductance L1 with
Output filter module is connected, and the output filter module is connected with LED light source, the switching tube drain electrode output of the decompression chip U1
End is connected with diode D1 negative poles, and the diode D1 plus earths, the first electric capacity C1 and first resistor R1 are connected on institute
Between the switching tube drain output and ground of stating decompression chip U1.The utility model is applied to voltage-dropping type constant current LED driving power source,
The first electric capacity C1 and first resistor R1 is set up between decompression chip U1 switching tube drain output and ground and forms RC absorption electricity
Road, the clutter of driving power is absorbed, the degree of fluctuation that driving power is output to LED light ource electric current is reduced, so as to solve LED light
The stroboscopic problem in source.Driving power described in the utility model is adapted to any Buck types decompression constant current structure, while has taken into account valency
Lattice and effect, it is cost-effective compared with other solutions.
Preferred embodiment is further used as, input filter module described in the utility model specific embodiment includes the
Two electric capacity C2 and the 3rd electric capacity C3, the second electric capacity C2 and the 3rd electric capacity C3 are connected in parallel on DC port output end, and described second
Electric capacity C2 and the 3rd electric capacity C3 is electrochemical capacitor and ceramic disc capacitor respectively.Pass through electrochemical capacitor described in input filter module and porcelain
The effect of chip capacitor, low-and high-frequency clutter in driving power is further reduced, improve the stability of LED light source.
Preferred embodiment is further used as, output filter module described in the utility model specific embodiment includes the
Four electric capacity C4 and the 5th electric capacity C5, the 4th electric capacity C4 and the 5th electric capacity C5 are connected in parallel on LED light source both ends, the 4th electric capacity
C4 and the 5th electric capacity C5 is electrochemical capacitor and ceramic disc capacitor respectively.Pass through electrochemical capacitor described in output filter module and ceramic disc capacitor
Effect, further reduce low-and high-frequency clutter in driving power, improve the stability of LED light source.
Better embodiment of the present utility model is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make a variety of equivalent changes on the premise of without prejudice to the utility model spirit
Type or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (3)
1. a kind of include without stroboscopic mouth lamp, including LED light source and the driving power for driving LED light source, the driving power
DC port, input filter module, voltage reduction module and output filter module, it is characterised in that：The voltage reduction module includes drop
Chip, inductance, diode, the first electric capacity and first resistor are pressed, the decompression chip is configured with switching tube drain output, institute
State DC port with input filter module to be connected, the input filter module is connected with decompression chip input, the decompression core
The switching tube drain output of piece is connected by inductance with output filter module, and the output filter module is connected with LED light source,
The switching tube drain output of the decompression chip is connected with diode cathode, the diode cathode ground connection, first electricity
Hold and first resistor is connected between the switching tube drain output and ground of the decompression chip.
2. one kind according to claim 1 is without stroboscopic mouth lamp, it is characterised in that：The input filter module includes second
Electric capacity and the 3rd electric capacity, second electric capacity and the 3rd electric capacity are connected in parallel on DC port output end, second electric capacity and the 3rd
Electric capacity is electrochemical capacitor and ceramic disc capacitor respectively.
3. one kind according to claim 2 is without stroboscopic mouth lamp, it is characterised in that：The output filter module includes the 4th
Electric capacity and the 5th electric capacity, the 4th electric capacity and the 5th electric capacity are connected in parallel on LED light source both ends, the 4th electric capacity and the 5th electric capacity
It is electrochemical capacitor and ceramic disc capacitor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588622.XU CN206821052U (en) | 2017-05-24 | 2017-05-24 | One kind is without stroboscopic mouth lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588622.XU CN206821052U (en) | 2017-05-24 | 2017-05-24 | One kind is without stroboscopic mouth lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206821052U true CN206821052U (en) | 2017-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720588622.XU Active CN206821052U (en) | 2017-05-24 | 2017-05-24 | One kind is without stroboscopic mouth lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206821052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111459008A (en) * | 2020-01-04 | 2020-07-28 | 杨凤全 | Energy-saving environment-friendly AC/DC quartz clock and watch wall clock |
-
2017
- 2017-05-24 CN CN201720588622.XU patent/CN206821052U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111459008A (en) * | 2020-01-04 | 2020-07-28 | 杨凤全 | Energy-saving environment-friendly AC/DC quartz clock and watch wall clock |
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