CN106545798A - The LED lamp affixed to the ceilings of constant-current driving - Google Patents
The LED lamp affixed to the ceilings of constant-current driving Download PDFInfo
- Publication number
- CN106545798A CN106545798A CN201610797868.8A CN201610797868A CN106545798A CN 106545798 A CN106545798 A CN 106545798A CN 201610797868 A CN201610797868 A CN 201610797868A CN 106545798 A CN106545798 A CN 106545798A
- Authority
- CN
- China
- Prior art keywords
- led
- circuit
- fixture block
- hollow slots
- bp9022a
- 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- Withdrawn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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/043—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures mounted by means of a rigid support, e.g. bracket or arm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/18—Latch-type fastening, e.g. with rotary action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- 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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention discloses a kind of LED lamp affixed to the ceilings of constant-current driving, including ceiling disk and LED driver, the hollow slots of at least two curved settings in same circle are provided with ceiling disk, fixture block corresponding with hollow out groove location is provided with the bottom of LED driver, hollow slots form rotary buckle structure with fixture block, the leading portion portion of corresponding hollow slots is inserted by fixture block, then fixture block is made to turn to the back segment portion of corresponding hollow slots by rotation, mutually clamping, realizes being connected for LED driver and ceiling disk.Assembly operation between ceiling disk and LED driver is convenient, fast, without using aid, can improve packaging efficiency.The built-in primary side feedback formula constant current driver circuit for LED of LED driver, circuit are simple, can export constant current.
Description
Technical field
The present invention relates to field of LED illumination, the LED lamp affixed to the ceilings of the simple constant-current driving of more particularly to a kind of assembly operation.
Background technology
Lamp affixed to the ceiling is to adsorb or be embedded in the lamp decoration on roof ceiling, and it is as pendent lamp, and the main lighting of interior
Equipment, is the light fixture of various places Jing such as family, office, public place of entertainment often selection.LED has mercury-free nontoxic, dirty without electromagnetism
Dye, without harm ray and the features such as energy-conserving and environment-protective, long service life, so existing lamp affixed to the ceiling gradually replaces power saving fluorescent lampss with LED
It is used as light source use.The LED lamp affixed to the ceilings of existing constant-current driving are typically by ceiling disk, LED light source plate, LED driver and lamp
Cover composition, LED driver are arranged on ceiling disk, how to make the attended operation of LED driver and ceiling disk convenient, to carry
High packaging efficiency is the technical problem to be solved.
The content of the invention
The main object of the present invention is to provide a kind of LED lamp affixed to the ceilings of constant-current driving, it is intended to realize LED driver and ceiling
Assembly operation between disk is convenient, fast.
The present invention proposes a kind of LED lamp affixed to the ceilings of constant-current driving, including ceiling disk and LED driver, in the ceiling disk
The hollow slots of at least two curved settings in same circle are provided with, are provided with and institute in the bottom of the LED driver
The one-to-one fixture block of hollow out groove location is stated, the width in the leading portion portion of the hollow slots is slightly larger than the thickness of the fixture block so that institute
The leading portion portion that fixture block is easily inserted the hollow slots is stated, the width in the back segment portion of the hollow slots is less than its leading portion portion, with clamping
The fixture block；The hollow slots form rotary buckle structure with the fixture block, insert corresponding described by the fixture block
The leading portion portion of hollow slots, then makes the fixture block turn to the back segment portion of the corresponding hollow slots by rotation, realizes described
LED driver is connected with the ceiling disk；Drive circuit in the LED driver is primary side feedback formula LED constant current
Drive circuit, the primary side feedback formula constant current driver circuit for LED include the defeated of current rectifying and wave filtering circuit and the current rectifying and wave filtering circuit
Go out end connection mains transformer and primary side feedback LED constant current driving chip, the primary side feedback LED constant current driving chip it is defeated
Go out end to be connected with the input of the mains transformer, the outfan of the mains transformer is that the power supply of the drive circuit is defeated
Go out end；The primary side feedback formula constant current driver circuit for LED also includes drain electrode clamping protective circuit, the drain electrode clamping protective circuit
It is made up of clamp diode, clamp capacitor, clamp resistance, fast recovery diode and damping resistance, it is the clamp diode, described
Clamp capacitor and the clamp resistance are connected in parallel on the two ends of the primary coil of the mains transformer, and damping resistance described in Jing with
The negative pole connection of the fast recovery diode, the internal high pressure of the positive pole of the fast recovery diode and the BP9022A chips
Power tube drain terminal DRAIN connects；
The primary side feedback LED constant current driving chip is BP9022A chips, internal to include LED open loop protection circuits, LED
Short-circuit protection circuit, CS ends resistive short protection circuit, power supply under-voltage protecting circuit and chip temperature cross thermal conditioning circuit, described
1 foot of BP9022A chips is current sample end CS, meets sampling resistor R5 to ground wire；2 feet of the BP9022A chips are chip
Feeder ear VDD, is connected with the outfan of the current rectifying and wave filtering circuit；3 feet of the BP9022A chips are earth terminal GND, are grounded
Line；4 feet of the BP9022A chips are that LED open-circuit-protections voltage arranges end ROVP, and connecting resistance R4 is to ground wire；The BP9022A
5 feet and 6 feet of chip are empty foot NC, and 7 feet and 8 feet of the BP9022A chips are internal high pressure power tube drain terminal DRAIN, i.e.,
Outfan, connects the input of the mains transformer.
Preferably, the hollow slots are provided with four, the arcuate groove being in same circle, relatively uniform distribution two-by-two.
Preferably, the center of circle corresponding to the hollow slots is the central point of the ceiling disk.
Preferably, the fixture block is arranged in cantilever hooks.
The LED lamp affixed to the ceilings of the constant-current driving of the present invention have the beneficial effect that：
Connected by rotary buckle structure between the ceiling disk and LED driver of the LED lamp affixed to the ceilings of the constant-current driving of the present invention
Fixation is connect, during assembling, the fixture block of LED driver lower end the leading portion portion of the hollow slots on corresponding ceiling disk, Ran Houtong is inserted into
Crossing rotation makes the back segment portion that fixture block turns to corresponding hollow slots, and mutual clamping realizes the connection of LED driver and ceiling disk
It is fixed.Assembly operation between ceiling disk and LED driver is convenient, fast, without using aid, can improve assembling effect
Rate.
And, when need to remove LED driver, only need to just may be used to the rightabout rotating LED driver of above-mentioned direction of rotation
Fixture block is screwed out from hollow slots, so as to easily remove LED driver, facilitate the replacing and maintenance of LED driver.
Constant current-supplying is carried out using primary side feedback formula constant current driver circuit for LED, the primary side feedback LED constant current for being used drives
Chip internal is integrated with 600V power switch, it is only necessary to which few peripheral assembly can just reach excellent constant-current characteristicses, and
Primary side feedback technology is employed, without the need for optocoupler and TL431 feedbacks, is powered without assists winding and is detected, system cost is extremely low.
Description of the drawings
Fig. 1 be the LED lamp affixed to the ceilings of constant-current driving of the present invention an embodiment in ceiling disk structural representation；
Fig. 2 be the LED lamp affixed to the ceilings of constant-current driving of the present invention an embodiment in LED driver structural representation；
Fig. 3 be the LED lamp affixed to the ceilings of constant-current driving of the present invention an embodiment in knot after the assembling of ceiling disk and LED driver
Structure schematic diagram；
Fig. 4 be the LED lamp affixed to the ceilings of constant-current driving of the present invention an embodiment in LED driver circuit diagram.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
Referring to figs. 1 to Fig. 4, an embodiment of the LED lamp affixed to the ceilings of the constant-current driving of the present invention is proposed：
A kind of LED lamp affixed to the ceilings of constant-current driving, including ceiling disk 10 and LED driver 20.Four are provided with ceiling disk 10
The hollow slots 30 of the individual curved setting in same circle, the relatively uniform distribution two-by-two of hollow slots 30.Corresponding to hollow slots 30
The center of circle for ceiling disk 10 central point.It is provided with and the one-to-one fixture block in 30 position of hollow slots in the bottom of LED driver 20
21, fixture block 21 is arranged in cantilever hooks.The width in the leading portion portion 31 of hollow slots 30 is slightly larger than the thickness of fixture block 21 so that fixture block 21 is light
The leading portion portion 31 of pine insertion hollow slots 30, the width in the back segment portion 32 of hollow slots 30 is less than its leading portion portion 31, with clamping fixture block 21.
Hollow slots 30 and fixture block 21 form rotary buckle structure, the ceiling disk 10 and LED driver 20 of the LED lamp affixed to the ceilings of constant-current driving it
Between be connected by rotary buckle structure.
During assembling, the fixture block 21 of 20 lower end of LED driver is inserted into the leading portion of the hollow slots 30 on corresponding ceiling disk 10
Portion 31, is then made in the back segment portion 32 that fixture block 21 turns to corresponding hollow slots 30 by rotation, mutual clamping, realizes that LED drives
Dynamic device 20 is connected with ceiling disk 10.Assembly operation between ceiling disk 10 and LED driver 20 is convenient, fast, need not
Using aid, packaging efficiency can be improved.And, when need to remove LED driver 20, only need to be to the contrary of above-mentioned direction of rotation
Direction rotating LED driver 20, just can be such that fixture block 21 screws out from hollow slots 30, so as to easily remove LED driver 20, convenient
The replacing of LED driver 20 and maintenance.
Drive circuit in LED driver be primary side feedback formula constant current driver circuit for LED, primary side feedback formula LED constant current drive
Galvanic electricity road includes that the mains transformer and primary side feedback LED of the outfan connection of current rectifying and wave filtering circuit and current rectifying and wave filtering circuit is permanent
Stream driving chip, the outfan of primary side feedback LED constant current driving chip are connected with the input of mains transformer, mains transformer
Outfan for drive circuit power output end.Primary side feedback formula constant current driver circuit for LED also includes drain electrode clamper protection electricity
Road, drain electrode clamping protective circuit are made up of clamp diode, clamp capacitor, clamp resistance, fast recovery diode and damping resistance,
Clamp diode, clamp capacitor and clamp resistance are connected in parallel on the two ends of the primary coil of mains transformer, and Jing damping resistances with
The negative pole connection of fast recovery diode, the positive pole of fast recovery diode and the internal high pressure power tube drain terminal of BP9022A chips
DRAIN connects.
Primary side feedback LED constant current driving chip is BP9022A chips, internal to include that LED open loop protection circuits, LED are short-circuit
Protection circuit, CS ends resistive short protection circuit, power supply under-voltage protecting circuit and chip temperature cross thermal conditioning circuit, BP9022A
1 foot of chip is current sample end CS, meets sampling resistor R5 to ground wire；2 feet of BP9022A chips are chip power supply end VDD, with
The outfan connection of current rectifying and wave filtering circuit；3 feet of BP9022A chips be earth terminal GND, earth lead；4 feet of BP9022A chips
End ROVP is set for LED open-circuit-protections voltage, connecting resistance R4 is to ground wire；5 feet and 6 feet of BP9022A chips are empty foot NC,
7 feet and 8 feet of BP9022A chips are internal high pressure power tube drain terminal DRAIN, i.e. outfan, connect the input of mains transformer.
Constant current-supplying is carried out using primary side feedback formula constant current driver circuit for LED, the primary side feedback LED constant current for being used drives
Chip internal is integrated with 600V power switch, it is only necessary to which few peripheral assembly can just reach excellent constant-current characteristicses, and
Primary side feedback technology is employed, without the need for optocoupler and TL431 feedbacks, is powered without assists winding and is detected, system cost is extremely low.
Primary side feedback LED constant current driving chip also has LED open/short defencive functions, CS resistive short defencive functions, VDD is under-voltage
Defencive function and the overheated regulatory function of chip temperature, can carry out multiple protective to whole circuit.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the present invention, every utilization is not thereby limited
The equivalent structure transformation made by description of the invention and accompanying drawing content, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (4)
1. LED lamp affixed to the ceilings of a kind of constant-current driving, including ceiling disk and LED driver, it is characterised in that on the ceiling disk
Be provided with least two it is same circle on curved settings hollow slots, the bottom of the LED driver be provided with it is described
The one-to-one fixture block of hollow out groove location, the width in the leading portion portion of the hollow slots are slightly larger than the thickness of the fixture block so that described
Fixture block is easily inserted the leading portion portion of the hollow slots, and the width in the back segment portion of the hollow slots is less than its leading portion portion, with clamping institute
State fixture block；The hollow slots and the fixture block form rotary buckle structure, insert corresponding described engrave by the fixture block
The leading portion portion of dead slot, then makes the fixture block turn to the back segment portion of the corresponding hollow slots by rotation, realizes the LED
Driver is connected with the ceiling disk；Drive circuit in the LED driver is driven for primary side feedback formula LED constant current
Circuit, the primary side feedback formula constant current driver circuit for LED include the outfan of current rectifying and wave filtering circuit and the current rectifying and wave filtering circuit
The mains transformer and primary side feedback LED constant current driving chip of connection, the outfan of the primary side feedback LED constant current driving chip
It is connected with the input of the mains transformer, the outfan of the mains transformer is the power supply output of the drive circuit
End；The primary side feedback formula constant current driver circuit for LED also include drain electrode clamping protective circuit, the drain electrode clamping protective circuit by
Clamp diode, clamp capacitor, clamp resistance, fast recovery diode and damping resistance are constituted, the clamp diode, the pincers
Position electric capacity and the clamp resistance are connected in parallel on the two ends of the primary coil of the mains transformer, and damping resistance described in Jing and institute
State the negative pole connection of fast recovery diode, the internal high pressure work(of the positive pole of the fast recovery diode and the BP9022A chips
Rate pipe drain terminal DRAIN connects；
The primary side feedback LED constant current driving chip is BP9022A chips, internal to include that LED open loop protection circuits, LED are short-circuit
Protection circuit, CS ends resistive short protection circuit, power supply under-voltage protecting circuit and chip temperature cross thermal conditioning circuit, described
1 foot of BP9022A chips is current sample end CS, meets sampling resistor R5 to ground wire；2 feet of the BP9022A chips are chip
Feeder ear VDD, is connected with the outfan of the current rectifying and wave filtering circuit；3 feet of the BP9022A chips are earth terminal GND, are grounded
Line；4 feet of the BP9022A chips are that LED open-circuit-protections voltage arranges end ROVP, and connecting resistance R4 is to ground wire；The BP9022A
5 feet and 6 feet of chip are empty foot NC, and 7 feet and 8 feet of the BP9022A chips are internal high pressure power tube drain terminal DRAIN, i.e.,
Outfan, connects the input of the mains transformer.
2. LED lamp affixed to the ceilings of constant-current driving according to claim 1, it is characterised in that the hollow slots are provided with four,
Be it is same circle on arcuate groove, relatively uniform distribution two-by-two.
3. LED lamp affixed to the ceilings of constant-current driving according to claim 1 and 2, it is characterised in that corresponding to the hollow slots
The center of circle is the central point of the ceiling disk.
4. LED lamp affixed to the ceilings of constant-current driving according to claim 1, it is characterised in that the fixture block is arranged in cantilever hooks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610797868.8A CN106545798A (en) | 2016-08-31 | 2016-08-31 | The LED lamp affixed to the ceilings of constant-current driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610797868.8A CN106545798A (en) | 2016-08-31 | 2016-08-31 | The LED lamp affixed to the ceilings of constant-current driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106545798A true CN106545798A (en) | 2017-03-29 |
Family
ID=58367855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610797868.8A Withdrawn CN106545798A (en) | 2016-08-31 | 2016-08-31 | The LED lamp affixed to the ceilings of constant-current driving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106545798A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2901039Y (en) * | 2006-04-06 | 2007-05-16 | 何忠勇 | Adjustable ceiling lamp |
| CN203810223U (en) * | 2014-04-11 | 2014-09-03 | 陈瑜 | LED ceiling lamp |
| CN204090260U (en) * | 2014-11-12 | 2015-01-07 | 绥化学院 | A kind of LED acousto-optic control drive circuit |
| CN204104200U (en) * | 2014-11-13 | 2015-01-14 | 周艳艳 | A kind of Novel light-operated LED drive circuit |
| CN204420784U (en) * | 2015-02-05 | 2015-06-24 | 颜理治 | Intelligent ecological light modulation lamp affixed to the ceiling |
-
2016
- 2016-08-31 CN CN201610797868.8A patent/CN106545798A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2901039Y (en) * | 2006-04-06 | 2007-05-16 | 何忠勇 | Adjustable ceiling lamp |
| CN203810223U (en) * | 2014-04-11 | 2014-09-03 | 陈瑜 | LED ceiling lamp |
| CN204090260U (en) * | 2014-11-12 | 2015-01-07 | 绥化学院 | A kind of LED acousto-optic control drive circuit |
| CN204104200U (en) * | 2014-11-13 | 2015-01-14 | 周艳艳 | A kind of Novel light-operated LED drive circuit |
| CN204420784U (en) * | 2015-02-05 | 2015-06-24 | 颜理治 | Intelligent ecological light modulation lamp affixed to the ceiling |
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| 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: 20170329 |
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| WW01 | Invention patent application withdrawn after publication |