CN210986516U - Dynamic linear control L ED drive circuit - Google Patents
Dynamic linear control L ED drive circuit Download PDFInfo
- Publication number
- CN210986516U CN210986516U CN201922094143.4U CN201922094143U CN210986516U CN 210986516 U CN210986516 U CN 210986516U CN 201922094143 U CN201922094143 U CN 201922094143U CN 210986516 U CN210986516 U CN 210986516U
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- circuit
- parallel
- lamp source
- series
- protection
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- Expired - Fee Related
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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 a developments linear control L ED drive circuit, connect including first joint and second, first joint has first switch through the circuit series connection, the rear end of first switch has protective resistor through the circuit series connection, protective resistor's rear end has L ED lamp source through the circuit series connection, L ED lamp source has the inductance through the circuit series connection, the inductance passes through the circuit series connection in the second and connects, the rear side of first joint has filter capacitor through the circuit parallel connection, filter capacitor's the other end passes through the circuit and connects in parallel in the second, protective resistor's rear end has buffer capacitor through the circuit parallel connection, buffer capacitor's the other end passes through the circuit and connects in series in the one end of inductance, buffer capacitor's both ends connect in parallel in L ED lamp source's both ends through the circuit, can improve the stability of control greatly like this, guarantee the security of using.
Description
Technical Field
The utility model relates to an L ED circuit field, more specifically say, relate to a dynamic linear control L ED drive circuit.
Background
In modern social life, L ED light sources are widely used, and in practical use and control, a control driving circuit is needed to connect L ED light sources to adjust the lighting.
However, the existing L ED driving circuit is complex in structure, and the number of used switching elements is large, so that although the stability of the circuit can be guaranteed, the circuit is too complex, the control efficiency is influenced, and meanwhile, when the L ED lamp source is driven in a control mode, the light can be instantly turned on and off along with the on and off of the circuit, so that the stability of the L ED lamp source is not guaranteed, and the service life is shortened.
SUMMERY OF THE UTILITY MODEL
Problem to exist among the prior art, the utility model aims to provide a developments linear control L ED drive circuit, L ED lamp source is connected through series protection resistance and inductance, can simplify circuit structure, it is steady to do benefit to control, guarantee stability simultaneously, and through parallelly connected buffer capacitor, can supply power the buffering to L ED lamp source, avoid transient breakdown, simultaneously through parallelly connected second resistance in inductance both sides and second switch, can select to put into use, can improve the stability of control greatly like this, guarantee the security of using.
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides a developments linear control L ED drive circuit, includes first joint and second joint, first joint has first switch through the circuit series connection, the rear end of first switch has protection resistance through the circuit series connection, protection resistance's rear end has L ED lamp source through the circuit series connection, L ED lamp source has the inductance through the circuit series connection, the inductance passes through the circuit series connection in the second joint, the rear side of first joint has filter capacitor through the circuit parallel connection, filter capacitor's the other end passes through the circuit parallel connection in the second joint, protection resistance's rear end has buffer capacitor through the circuit parallel connection, buffer capacitor's the other end passes through the circuit series connection in the one end of inductance, buffer capacitor's both ends pass through the circuit parallel connection in the both ends of L ED lamp source.
Furthermore, the front end of the L ED lamp source is connected with a protection circuit in parallel through a circuit, the protection circuit is connected with one end of the buffer capacitor in parallel through the circuit, and current protection can be performed through the protection circuit connected with one end of the L ED lamp source in parallel, so that the control safety is improved.
Furthermore, the inside of protection circuit has first resistance and little electric capacity through the circuit series connection, the other end of little electric capacity has ground terminal through the circuit series connection, through at inside little electric capacity of series connection of protection circuit and ground terminal, can carry out ground protection, improves the security.
Furthermore, the two ends of the inductor are connected with a second resistor in parallel through a circuit, the two ends of the second resistor are connected with a second switch in parallel through a circuit, the second resistor and the second switch are connected in parallel on the two sides of the inductor, the inductor can be selectively put into use, the adaptability is high, and the adjustment and the use are facilitated.
Compared with the prior art, the utility model has the advantages of:
(1) l ED lamp sources are connected through series protection resistance and inductance to this scheme, can simplify circuit structure, do benefit to control steadily, guarantee stability simultaneously to through parallelly connected buffer capacitor, can supply power the buffering to L ED lamp sources, avoid instantaneous breakdown.
(2) The current protection can be performed by connecting the protection circuit in parallel at one end of the L ED lamp source, and the control safety is improved.
(3) Through connecting small electric capacity and ground terminal in series in protection circuit inside, can carry out ground protection, improve the security.
(4) The second resistor and the second switch are connected in parallel on two sides of the inductor, so that the inductor can be selectively put into use, has high adaptability and is beneficial to regulation and use.
Drawings
Fig. 1 is a schematic diagram of the overall circuit of the present invention;
fig. 2 is a schematic diagram of the protection circuit of the present invention.
The reference numbers in the figures illustrate:
1 a first connector, 11 a second structure, 12 a first switch, 13 a protection resistor, 14L ED lamp source, 15 inductance, 16 a filter capacitor, 17 a buffer capacitor, 2 a protection circuit, 21 a first resistor, 22 a small capacitor, 23 a ground terminal, 24 a second resistor and 25 a second switch.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-2, a dynamic linear control L ED driving circuit, including a first connector 1 and a second connector 11, please refer to fig. 1, the first connector 1 and the second structure 11 can be connected to two ends of a power supply, and can form a loop to supply power, the first connector 1 is connected in series with a first switch 12 through a circuit, and can control a general loop to facilitate switching, the rear end of the first switch 12 is connected in series with a protection resistor 13 through a circuit, the rear end of the protection resistor 13 is connected in series with a L ED lamp source 14 through a circuit, and can be used for lighting, L ED lamp source 14 is connected in series with an inductor 15 through a circuit, an inductor 15 is connected in series with the second connector 11 through a circuit, the rear side of the first connector 11 is connected in parallel with a filter capacitor 16 through a circuit, filtering is performed through the filter capacitor 16, so as to improve the stability of a current loop, so as to avoid stroboflash, so as to improve the use stability, the other end of the filter capacitor 16 is connected in parallel with the second connector 11 through a circuit, the buffer capacitor 17 in parallel, so as to avoid the transient breakdown of the buffer capacitor 17, and the transient breakdown of the lamp source 14, so as to reduce the transient voltage, and to reduce the transient breakdown of the transient voltage of the transient lamp, and to reduce the transient voltage of the transient lamp source 14, and to reduce the transient voltage of the transient lamp 14, and to reduce the transient voltage of the transient lamp voltage of the.
Referring to fig. 1 and 2, the front end of the L ED lamp source 14 is connected in parallel with the protection circuit 2 through a circuit, the protection circuit 2 is connected in parallel with one end of the buffer capacitor 17 through a circuit, the protection circuit 2 is connected in series with the first resistor 21 and the small capacitor 22 through a circuit, the other end of the small capacitor 22 is connected in series with the ground terminal 23 through a circuit, the two ends of the inductor 15 are connected in parallel with the second resistor 24 through a circuit, the two ends of the second resistor 24 are connected in parallel with the second switch 25 through a circuit, when the led lamp is in normal use, the second switch 25 is turned off, the inductor 15 can be put in, the circuit voltage is stabilized, and the second switch 25 can be turned on, so that the second resistor 24 and the inductor 15 are short-circuited, the circuit passing capacity can be enhanced, the power supply requirement is ensured, and the led lamp is beneficial.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (4)
1. A dynamic linear control L ED drive circuit comprises a first connector (1) and a second connector (11), and is characterized in that the first connector (1) is connected with a first switch (12) in series through a circuit, the rear end of the first switch (12) is connected with a protection resistor (13) in series through a circuit, the rear end of the protection resistor (13) is connected with a L ED lamp source (14) in series through a circuit, the L ED lamp source (14) is connected with an inductor (15) in series through a circuit, the inductor (15) is connected with the second connector (11) in series through a circuit, the rear side of the first connector (1) is connected with a filter capacitor (16) in parallel through a circuit, the other end of the filter capacitor (16) is connected with the second connector (11) in parallel through a circuit, the rear end of the protection resistor (13) is connected with a buffer capacitor (17) in parallel through a circuit, the other end of the buffer capacitor (17) is connected with one end of the inductor (15) in series through a circuit, and the two ends of the buffer capacitor (17) are connected with L ED lamp source (14) in parallel.
2. The dynamic linear control L ED driving circuit as claimed in claim 1, wherein the front end of the L ED lamp source (14) is connected in parallel with a protection circuit (2) through a circuit, and the protection circuit (2) is connected in parallel with one end of the buffer capacitor (17) through a circuit.
3. The dynamic linear control L ED driving circuit as claimed in claim 2, wherein the protection circuit (2) has a first resistor (21) and a small capacitor (22) connected in series via a circuit, and the other end of the small capacitor (22) is connected in series via a circuit to a ground terminal (23).
4. The dynamic linear control L ED driving circuit as claimed in claim 1, wherein the two terminals of the inductor (15) are connected in parallel with a second resistor (24) through a circuit, and the two terminals of the second resistor (24) are connected in parallel with a second switch (25) through a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922094143.4U CN210986516U (en) | 2019-11-28 | 2019-11-28 | Dynamic linear control L ED drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922094143.4U CN210986516U (en) | 2019-11-28 | 2019-11-28 | Dynamic linear control L ED drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210986516U true CN210986516U (en) | 2020-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922094143.4U Expired - Fee Related CN210986516U (en) | 2019-11-28 | 2019-11-28 | Dynamic linear control L ED drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210986516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115119355A (en) * | 2022-08-29 | 2022-09-27 | 南昌硅基半导体科技有限公司 | High-speed LED device with positioning and lighting functions and manufacturing method thereof |
-
2019
- 2019-11-28 CN CN201922094143.4U patent/CN210986516U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115119355A (en) * | 2022-08-29 | 2022-09-27 | 南昌硅基半导体科技有限公司 | High-speed LED device with positioning and lighting functions and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 Termination date: 20201128 |