CN107734781A - A kind of lightning protection LED drivings - Google Patents
A kind of lightning protection LED drivings Download PDFInfo
- Publication number
- CN107734781A CN107734781A CN201711142530.XA CN201711142530A CN107734781A CN 107734781 A CN107734781 A CN 107734781A CN 201711142530 A CN201711142530 A CN 201711142530A CN 107734781 A CN107734781 A CN 107734781A
- Authority
- CN
- China
- Prior art keywords
- lightning protection
- circuit
- pfc
- protection circuit
- led
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
-
- 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]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of lightning protection LED drivings, PFC pre-regulating circuits respectively with PFC control module, DC/DC translation circuits connect with differential mode lightning protection circuit, DC/DC translation circuits are connected with LED illuminator and resonant control circuit respectively, LED illuminator is connected with constant-current control circuit, resonant control circuit is connected with PFC control module, differential mode lightning protection circuit is connected with bridge rectifier, bridge rectifier is connected with the first filter circuit, first filter circuit is connected with the second filter circuit and common mode lightning protection circuit respectively, second filter circuit is connected with power input, common mode lightning protection circuit and differential mode lightning protection circuit are grounded respectively.A kind of lightning protection LED drivings, the present invention cause LED drivings to have lightning protection function due to being provided with differential mode lightning protection circuit and common mode lightning protection circuit, it is possible to prevente effectively from LED lamp is because thunderbolt is damaged or because security incident occurs for thunderbolt.
Description
Technical field
The present invention relates to one kind to drive, particularly a kind of lightning protection LED drivings.
Background technology
For LED illumination lamp because the advantages of its energy consumption is low, light efficiency is high is favored by consumer deeply, use range is also more and more wider
It is general.But existing LED drivings do not have lightning protection function generally so that illuminator is once struck by lightning, and can not only damage light fixture,
And easily cause security incident.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of lightning protection LED drivings.
Technical scheme is used by the present invention solves its problem：A kind of lightning protection LED drivings, including PFC pre-regulating circuits,
DC/DC translation circuits, LED illuminator, constant-current control circuit, resonant control circuit, PFC control module, differential mode lightning protection circuit, bridge
Formula rectification circuit, the first filter circuit, the second filter circuit, power input and common mode lightning protection circuit, PFC pre-regulating circuits point
Be not connected with PFC control module, DC/DC translation circuits and differential mode lightning protection circuit, DC/DC translation circuits respectively with LED illuminator
Being connected with resonant control circuit, LED illuminator is connected with constant-current control circuit, and resonant control circuit is connected with PFC control module,
Differential mode lightning protection circuit is connected with bridge rectifier, and bridge rectifier is connected with the first filter circuit, the first filter circuit point
It is not connected with the second filter circuit and common mode lightning protection circuit, the second filter circuit is connected with power input, common mode lightning protection circuit
It is grounded respectively with differential mode lightning protection circuit.
Further, the electric current of power input is sent to common mode lightning protection circuit by the second filter circuit.
Further, the electric current of power input is sent to bridge rectifier electricity by the second filter circuit and the first filter circuit
Road.
Further, bridge rectifier is connected to PFC pre-regulating circuits by differential mode lightning protection circuit.
Further, the data that PFC pre-regulating circuits are sent to DC/DC translation circuits are handled, and after processing
Data are sent to PFC control module, and PFC control module sends instruction, resonance according to the data received to resonant control circuit
Control circuit is adjusted according to the instruction received to the output current of DC/DC translation circuits.
The beneficial effects of the invention are as follows：The present invention is a kind of lightning protection LED drivings, and the present invention is due to being provided with differential mode thunder-lightning
Road and common mode lightning protection circuit cause LED driving there is lightning protection function, it is possible to prevente effectively from LED lamp because be struck by lightning be damaged or
Person is because security incident occurs for thunderbolt.
Brief description of the drawings
The invention will be further described with example below in conjunction with the accompanying drawings.
Fig. 1 is the circuit block diagram of the present invention.
Embodiment
Fig. 1 is the circuit block diagram of the present invention, as shown in figure 1, a kind of lightning protection LED drives, including PFC pre-regulating circuits 7,
DC/DC translation circuits 8, LED illuminator 9, constant-current control circuit 10, resonant control circuit 11, PFC control module 12, differential mode are prevented
Thunder and lightning road 6, bridge rectifier 5, the first filter circuit 4, the second filter circuit 2, power input 1 and common mode lightning protection circuit 3,
PFC pre-regulating circuits 7 are connected with PFC control module 12, DC/DC translation circuits 8 and differential mode lightning protection circuit 6 respectively, DC/DC conversion
Circuit 8 is connected with LED illuminator 9 and resonant control circuit 11 respectively, and LED illuminator 9 is connected with constant-current control circuit 10, resonance
Control circuit 11 is connected with PFC control module 12, and differential mode lightning protection circuit 6 is connected with bridge rectifier 5, bridge rectifier 5
It is connected with the first filter circuit 4, the first filter circuit 4 is connected with the second filter circuit 2 and common mode lightning protection circuit 3 respectively, and second
Filter circuit 2 is connected with power input 1, and common mode lightning protection circuit 3 and differential mode lightning protection circuit 6 are grounded respectively.A kind of lightning protection LED drives
Dynamic, the present invention causes LED drivings to have lightning protection function, Ke Yiyou due to being provided with differential mode lightning protection circuit 6 and common mode lightning protection circuit 3
Effect avoids LED lamp because thunderbolt is damaged or because security incident occurs for thunderbolt.The electric current of power input 1 passes through
Two filter circuits 2 are sent to common mode lightning protection circuit 3.The electric current of power input 1 passes through the second filter circuit 2 and the first filtered electrical
4 tunnels are sent to bridge rectifier 5.Bridge rectifier 5 is connected to PFC pre-regulating circuits 7 by differential mode lightning protection circuit 6.PFC
The data that pre-regulating circuit 7 is sent to DC/DC translation circuits 8 are handled, and the data after processing are sent to PFC controls
Module 12, PFC control module 12 send instruction, resonant control circuit 11 according to the data received to resonant control circuit 11
The output current of DC/DC translation circuits 8 is adjusted according to the instruction received.
It is described above, simply presently preferred embodiments of the present invention, the invention is not limited in above-mentioned embodiment, as long as
It reaches the technique effect of the present invention with identical means, should all belong to protection scope of the present invention.
Claims (5)
- A kind of 1. lightning protection LED drivings, it is characterised in that：Including PFC pre-regulating circuits, DC/DC translation circuits, LED illuminator, perseverance Flow control circuit, resonant control circuit, PFC control module, differential mode lightning protection circuit, bridge rectifier, the first filter circuit, Two filter circuits, power input and common mode lightning protection circuit, PFC pre-regulating circuits convert with PFC control module, DC/DC respectively Circuit is connected with differential mode lightning protection circuit, and DC/DC translation circuits are connected with LED illuminator and resonant control circuit respectively, and LED lights Body is connected with constant-current control circuit, and resonant control circuit is connected with PFC control module, differential mode lightning protection circuit and bridge rectifier Connection, bridge rectifier is connected with the first filter circuit, the first filter circuit respectively with the second filter circuit and common mode lightning protection Circuit is connected, and the second filter circuit is connected with power input, and common mode lightning protection circuit and differential mode lightning protection circuit are grounded respectively.
- A kind of 2. lightning protection LED drivings according to claim 1, it is characterised in that：The electric current of power input passes through second Filter circuit is sent to common mode lightning protection circuit.
- A kind of 3. lightning protection LED drivings according to claim 1, it is characterised in that：The electric current of power input passes through second Filter circuit and the first filter circuit are sent to bridge rectifier.
- A kind of 4. lightning protection LED drivings according to claim 1, it is characterised in that：Bridge rectifier passes through differential mode lightning protection Circuit is connected to PFC pre-regulating circuits.
- A kind of 5. lightning protection LED drivings according to claim 1, it is characterised in that：PFC pre-regulating circuits convert to DC/DC The data that circuit is sent are handled, and the data after handling are sent to PFC control module, and PFC control module is according to connecing The data received send instruction to resonant control circuit, and resonant control circuit is according to the instruction received to DC/DC translation circuits Output current be adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711142530.XA CN107734781A (en) | 2017-11-17 | 2017-11-17 | A kind of lightning protection LED drivings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711142530.XA CN107734781A (en) | 2017-11-17 | 2017-11-17 | A kind of lightning protection LED drivings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107734781A true CN107734781A (en) | 2018-02-23 |
Family
ID=61217052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711142530.XA Withdrawn CN107734781A (en) | 2017-11-17 | 2017-11-17 | A kind of lightning protection LED drivings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107734781A (en) |
-
2017
- 2017-11-17 CN CN201711142530.XA patent/CN107734781A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180223 |
|
| WW01 | Invention patent application withdrawn after publication |