CN207099390U - The non-isolated LED constant current power supply of full paster - Google Patents
The non-isolated LED constant current power supply of full paster Download PDFInfo
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- CN207099390U CN207099390U CN201720978593.8U CN201720978593U CN207099390U CN 207099390 U CN207099390 U CN 207099390U CN 201720978593 U CN201720978593 U CN 201720978593U CN 207099390 U CN207099390 U CN 207099390U
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- constant current
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- electrochemical capacitor
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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]
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Abstract
The utility model discloses a kind of non-isolated LED constant current power supply of full paster, including the rectifier bridge being arranged on dual platen, LED constant current driving chip, first electrochemical capacitor, second electric capacity, 3rd electrochemical capacitor, first sampling resistor, second sampling resistor, 3rd resistor, 4th resistance, first diode, transformer and LED, first electrochemical capacitor and the 3rd electrochemical capacitor use the electrochemical capacitor of paster encapsulation and are affixed on the front of the dual platen, the transformer uses the transformer of paster encapsulation and is affixed on the front of the dual platen, the rectifier bridge, LED constant current driving chip, second electric capacity, first sampling resistor, second sampling resistor, 3rd resistor, 4th resistance and the first diode using paster packaged type and are affixed on the back side of the dual platen.Implement the non-isolated LED constant current power supply of full paster of the present utility model, have the advantages that：Production efficiency can be improved, reduce production cost.
Description
Technical field
LED power field is the utility model is related to, more particularly to a kind of non-isolated LED constant current power supply of full paster.
Background technology
LED constant current power supply is one kind of LED power, is that power supply supply is converted to specific voltage x current to drive LED
Luminous electric pressure converter, substantially it is that electric current is fed back using device, the power supply state of dynamic regulation equipment, so that
Electric current tends to be constant.Under normal circumstances, the input of LED drive power includes high pressure industrial frequency AC (i.e. civil power), low-voltage direct, height
Straightening stream, low-voltage high-frequency exchange (output of such as electronic transformer).And the output of LED drive power is then most of for can be with
LED forward drop value changes and change the constant current source of voltage.The production and processing mode of LED constant current power supply is led on the market at present
It is often to use one side type structure or two-sided type structure.But regardless of framework, power supply processing mode uses plug-in unit processing side
Formula or plug-in unit are mixed with paster mode, low production efficiency, are not easy to automated production.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of prior art, there is provided one kind can improve
Production efficiency, the non-isolated LED constant current power supply of full paster for reducing production cost.
Technical scheme is used by the utility model solves its technical problem：It is permanent to construct a kind of complete non-isolated LED of paster
Flow power supply, including be arranged on dual platen rectifier bridge, LED constant current driving chip, the first electrochemical capacitor, the second electric capacity, the 3rd
Electrochemical capacitor, the first sampling resistor, the second sampling resistor, 3rd resistor, the 4th resistance, the first diode, transformer and LED,
The zero line of the input connection AC power of the rectifier bridge, another input of the rectifier bridge connect the alternating current
The zero line side in source, an output head grounding of the rectifier bridge, another output end of the rectifier bridge are electrolysed with described first respectively
The negative electrode of the positive pole of electric capacity and the first diode connects, and the negative pole ground connection of first electrochemical capacitor, the LED constant current drives core
The first pin and the 3rd pin of piece are grounded, and the second pin of the LED constant current driving chip is connect by the 3rd resistor
Ground, the 4th pin of the LED constant current driving chip is by second capacity earth, and the of the LED constant current driving chip
Five pins and the 6th pin are respectively connected with the anode of first diode and one end of transformer, first diode
Positive pole, one end of fourth resistance and the anode of the LED of the negative electrode respectively with the 3rd electrochemical capacitor be connected, the transformation
Negative pole, the other end of fourth resistance and LED negative electrode of the other end of device respectively with the 3rd electrochemical capacitor are connected；
First electrochemical capacitor and the 3rd electrochemical capacitor use the electrochemical capacitor of paster encapsulation and are affixed on the dual platen
Front, the transformer using paster encapsulation transformer and be affixed on the front of the dual platen, the rectifier bridge, LED are permanent
Flow driving chip, the second electric capacity, the first sampling resistor, the second sampling resistor, 3rd resistor, the 4th resistance and the first diode
LED using paster packaged type and is affixed on the back side of the dual platen.
In the non-isolated LED constant current power supply of full paster described in the utility model, in addition to fuse, the fuse
One end is connected with the zero line of the alternating current, and the other end of the fuse is connected with an input of the rectifier bridge, institute
Fuse is stated using paster packaged type and is affixed on the back side of the dual platen.
In the complete non-isolated LED constant current power supply of paster described in the utility model, the LED constant current driving chip for it is non-every
From voltage-dropping type LED constant current driving chip.
In the non-isolated LED constant current power supply of full paster described in the utility model, the model of the LED constant current driving chip
For BP2831A.
In the non-isolated LED constant current power supply of full paster described in the utility model, the dual platen is pcb board.
Implement the non-isolated LED constant current power supply of full paster of the present utility model, have the advantages that：Due to including setting
Rectifier bridge, LED constant current driving chip, the first electrochemical capacitor, the second electric capacity, the 3rd electrochemical capacitor on dual platen, first are adopted
Sample resistance, the second sampling resistor, 3rd resistor, the 4th resistance, the first diode, transformer and LED, the first electrochemical capacitor and
Three electrochemical capacitors use the electrochemical capacitor of paster encapsulation and are affixed on the front of dual platen, and transformer uses the transformer of paster encapsulation
And be affixed on the front of dual platen, rectifier bridge, LED constant current driving chip, the second electric capacity, the first sampling resistor, the second sampling resistor,
3rd resistor, the 4th resistance and the first diode using paster packaged type and are affixed on the back side of dual platen, by using complete
Big part (electrochemical capacitor and transformer) is simultaneously affixed on the front of dual platen by paster processing technology, and small size part is affixed on the back of the body of dual platen
Face, such outward appearance is neat and can carry out full-automatic production, and mode is produced and processed using full paster, can so improve production effect
Rate, reduce production cost.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the circuit theory diagrams in the non-isolated LED constant current power supply one embodiment of the full paster of the utility model；
Fig. 2 is that the layout of transformer, the first electrochemical capacitor and the 3rd electrochemical capacitor on dual platen is shown in the embodiment
It is intended to；
Fig. 3 is the structural representation of transformer in the embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
In the non-isolated LED constant current power supply embodiment of the full paster of the utility model, its complete non-isolated LED constant current power supply of paster
Structural representation it is as shown in Figure 1.Non-isolated power supply refers to carrying out not over transformer between input and load end
Electrical isolation, and be directly connected to, input and load end are altogether；Paster processing technology refers to use SMD components, and incites somebody to action
SMD components are affixed on pcb board, then a kind of production and processing technology of upper tin.Constant current refers to constant output current, not with defeated
Go out the change of voltage and change.
In Fig. 1, the complete non-isolated LED constant current power supply of paster includes rectifier bridge DB1, the LED constant current being arranged on dual platen
Driving chip U1, the first electrochemical capacitor C1, the second electric capacity C2, the 3rd electrochemical capacitor C3, the first sampling resistor RS1, the second sampling
Resistance RS2,3rd resistor R3, the 4th resistance R4, the first diode D1, transformer and LED, wherein, a rectifier bridge DB1 input
The zero line side AC_N of the zero line AC_L of end connection AC power, rectifier bridge DB1 another input connection AC power, rectification
A bridge DB1 output head grounding, rectifier bridge DB1 another output end positive pole with the first electrochemical capacitor C1 and the one or two pole respectively
Pipe D1 negative electrode connection, the first electrochemical capacitor C1 negative pole ground connection, LED constant current driving chip U1 the first pin and the 3rd pin
It is grounded, LED constant current driving chip U1 second pin is grounded by 3rd resistor R3, and the 4th of LED constant current driving chip U1 the
Pin is grounded by the second electric capacity C2, LED constant current driving chip U1 the 5th pin and the 6th pin respectively with the one or two pole
Pipe D1 anode connects with transformer T1 one end, the first diode D1 negative electrode respectively the positive pole with the 3rd electrochemical capacitor C3,
4th resistance R4 one end connects with LED anode LED+, and the transformer T1 other end is negative with the 3rd electrochemical capacitor C3 respectively
Pole, the 4th resistance R4 other end connect with LED negative electrode LED-.
In the present embodiment, the first electrochemical capacitor C1 and the 3rd electrochemical capacitor C3 use the electrochemical capacitor of paster encapsulation and are affixed on
The front of dual platen, transformer T1 use the transformer of paster encapsulation and are affixed on the front of dual platen, transformer T1, the first electrolysis
The schematic layout pattern of electric capacity C1 and the 3rd electrochemical capacitor C3 on dual platen is as shown in Figure 2.Above-mentioned dual platen is pcb board.
In the present embodiment, rectifier bridge DB1, LED constant current driving chip U1, the second electric capacity C2, the first sampling resistor RS1,
Two sampling resistor RS2,3rd resistor R3, the 4th resistance R4 and the first diode D1 using paster packaged type and are affixed on two-sided
The back side of plate.
Above-mentioned first electrochemical capacitor C1 is used to filter, and the first sampling resistor RS1 and the second sampling resistor RS2 are used to carry out electricity
Stream sampling, the 3rd electrochemical capacitor C3 and the 4th resistance R4 form RC filter circuits.
The utility model is encapsulated by the electrochemical capacitor and transformer for the plug-in element that will be commonly used on the market using paster, and
So that whole elements of power supply are surface mount elements, and then produced using full paster technique.First electrochemical capacitor C1 and
Three electrochemical capacitor C3 use the electrochemical capacitor of advanced paster encapsulation, and transformer T1 uses the transformer of advanced paster encapsulation,
Transformer T1 structural representation is as shown in Figure 3.By by by the electrochemical capacitor of big part and transformer arrangement in dual platen just
Face, smallclothes are arranged in the back side of dual platen, can so optimize components' placement, and its outward appearance is neat, and production is more convenient.
First electrochemical capacitor C1 and the 3rd electrochemical capacitor C3 is MK series patch-type aluminium electrolutic capacitors, operating temperature range
Be capacitor under the conditions of rated operational voltage is applied, the ambient temperature range that can work reliably and with long-term, its temperature range for-
40 DEG C~+105 DEG C.Transformer T1 vacuum paint dipping drying and processings, line bag 5.2mm silver color adhesive tape 2TS, magnetic core bag 5.5mm silver color glue
Band 2TS.
In the present embodiment, the complete non-isolated LED constant current power supply of paster also includes fuse F1, fuse F1 one end and friendship
The zero line AC_L connections of electricity are flowed, the fuse F1 other end is connected with a rectifier bridge DB1 input, and fuse F1 is using patch
Piece packaged type and the back side for being affixed on dual platen.The utility model can simplify design cycle and real by using full paster technique
The full-automation now produced, production efficiency is improved, reduce production cost, and then lift the cost performance of product.
It is noted that LED constant current driving chip U1 is non-isolated voltage-dropping type LED constant current driving chip.LED constant current is driven
Dynamic chip U1 model BP2831A.
In a word, the utility model is by using full paster processing technology, by big part (the first electrochemical capacitor C1, the 3rd electrolysis
Electric capacity C3 and transformer T1) front of dual platen is affixed on, small size part is affixed on the back side of dual platen, optimizes the layout of component,
Full-automatic production can be realized, improves production efficiency, reduces production cost.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (5)
1. the non-isolated LED constant current power supply of a kind of full paster, it is characterised in that rectifier bridge, LED including being arranged on dual platen are permanent
Flow driving chip, the first electrochemical capacitor, the second electric capacity, the 3rd electrochemical capacitor, the first sampling resistor, the second sampling resistor, the 3rd
Resistance, the 4th resistance, the first diode, transformer and LED, the live wire of the input connection AC power of the rectifier bridge
End, another input of the rectifier bridge connect the zero line side of the AC power, an output head grounding of the rectifier bridge, institute
Another output end for stating rectifier bridge is connected with the positive pole of first electrochemical capacitor and the negative electrode of the first diode respectively, and described
The negative pole ground connection of one electrochemical capacitor, the first pin and the 3rd pin of the LED constant current driving chip are grounded, and the LED is permanent
The second pin of stream driving chip is grounded by the 3rd resistor, and the 4th pin of the LED constant current driving chip passes through institute
State the second capacity earth, the 5th pin and the 6th pin of the LED constant current driving chip respectively with first diode
Anode connected with one end of transformer, the negative electrode of first diode positive pole with the 3rd electrochemical capacitor, respectively
One end of four resistance connects with the anode of the LED, and the other end of the transformer is negative with the 3rd electrochemical capacitor respectively
Pole, the other end of the 4th resistance connect with LED negative electrode；
First electrochemical capacitor and the 3rd electrochemical capacitor use the electrochemical capacitor of paster encapsulation and are affixed on the dual platen just
Face, the transformer use the transformer of paster encapsulation and are affixed on the front of the dual platen, and the rectifier bridge, LED constant current are driven
Dynamic chip, the second electric capacity, the first sampling resistor, the second sampling resistor, 3rd resistor, the 4th resistance and the first diode use
Paster packaged type and the back side for being affixed on the dual platen.
2. the non-isolated LED constant current power supply of full paster according to claim 1, it is characterised in that described also including fuse
One end of fuse is connected with the zero line of the alternating current, an input of the other end of the fuse and the rectifier bridge
Connection, the fuse is using paster packaged type and is affixed on the back side of the dual platen.
3. the non-isolated LED constant current power supply of full paster according to claim 2, it is characterised in that the LED constant current drives core
Piece is non-isolated voltage-dropping type LED constant current driving chip.
4. the non-isolated LED constant current power supply of full paster according to claim 3, it is characterised in that the LED constant current drives core
The model BP2831A of piece.
5. the non-isolated LED constant current power supply of full paster according to Claims 1-4 any one, it is characterised in that described double
Panel is pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720978593.8U CN207099390U (en) | 2017-08-07 | 2017-08-07 | The non-isolated LED constant current power supply of full paster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720978593.8U CN207099390U (en) | 2017-08-07 | 2017-08-07 | The non-isolated LED constant current power supply of full paster |
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| Publication Number | Publication Date |
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| CN207099390U true CN207099390U (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720978593.8U Active CN207099390U (en) | 2017-08-07 | 2017-08-07 | The non-isolated LED constant current power supply of full paster |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109195265A (en) * | 2018-10-15 | 2019-01-11 | 宁波奇驰照明灯具有限公司 | A kind of microwave induced control circuit and method of LED light |
-
2017
- 2017-08-07 CN CN201720978593.8U patent/CN207099390U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109195265A (en) * | 2018-10-15 | 2019-01-11 | 宁波奇驰照明灯具有限公司 | A kind of microwave induced control circuit and method of LED light |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518116 No.1 and 3, Tongfu Road, Pingdong community, Pingdi street, Longgang District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN DARK ENERGY POWER SUPPLY Co.,Ltd. Address before: 518100 buildings a and D, Dahua Industrial Zone, 8 Jixiang Road, Pingdi street, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN DARK ENERGY POWER SUPPLY Co.,Ltd. |