CN203482451U - LED constant current module directly connected to commercial power - Google Patents

LED constant current module directly connected to commercial power Download PDF

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Publication number
CN203482451U
CN203482451U CN201320486726.1U CN201320486726U CN203482451U CN 203482451 U CN203482451 U CN 203482451U CN 201320486726 U CN201320486726 U CN 201320486726U CN 203482451 U CN203482451 U CN 203482451U
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China
Prior art keywords
constant current
led
pin
output
nude film
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Expired - Fee Related
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CN201320486726.1U
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Chinese (zh)
Inventor
潘兴华
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潘兴华
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Priority to CN201320486726.1U priority Critical patent/CN203482451U/en
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Abstract

The utility model discloses an LED constant current module directly connected to the commercial power and relates to the technical field of LED modules. The LED constant current module comprises a power input end arranged on an insulating substrate and connected to the commercial power. The LED constant current module group also comprises a rectifier bridge, a current sampling resistor, LED high voltage chip sets and a constant current IC bare chip which are packaged on the insulating substrate. The rectifier bridge has two output ends. The current sampling resistor is connected to a first output end of the rectifier bridge. The constant current IC bare chip has a plurality of pins and is connected to an output end of the current sampling resistor. The LED high voltage chip sets are arranged between the plurality of pins of the constant current IC bare chip and between the pins of the constant current IC bare chip and a second output end of the rectifier bridge. The beneficial effects are that the LED constant current module can be directly connected to the commercial power without connecting another power supply, the LED application is enabled to be simple, the cost is lowered, and the service life is prolonged.

Description

A kind of LED constant current module that directly connects civil power
[technical field]
The utility model relates to LED module technical field, relates in particular to a kind of LED constant current module that can directly connect civil power.
[background technology]
Current LED lamp is divided into from function: LED light source, constant-current supply, heat-dissipating casing three major parts, no matter the lamp pearl or the COB module that are single all will calculate required voltage and electric current according to the series and parallel connections mode of light source, select again the power supply matching with it, this mode exists defect, if the selection at product application stage power supply and light source does not have adaptation good, easily cause power supply or light source to damage, and the poor quality of power supply also can directly affect life-span and the use of LED lamp, it is the problem of puzzlement LED product application always.
[utility model content]
The purpose of this utility model is effectively to overcome the deficiency of above-mentioned technology, provide a kind of by light source be combined with power supply, packaged LED module directly connects civil power with regard to spendable LED constant current module.
The technical solution of the utility model is achieved in that it includes and is arranged on insulated substrate, and be connected to the power input on civil power, its improvements are: it also includes the rectifier bridge being encapsulated on insulated substrate, current sampling resistor, LED high pressure chipset and constant current IC nude film, described rectifier bridge has two outputs, described current sampling resistor is connected on first output of rectifier bridge, described constant current IC nude film has a plurality of pins, this constant current IC nude film is connected on the output of current sampling resistor, can set different constant current value for by changing the resistance of above-mentioned current sampling resistor, between a plurality of pins of described constant current IC nude film, and be equipped with LED high pressure chipset between second output of the pin of constant current IC nude film and rectifier bridge,
In above-mentioned structure, described constant current IC nude film has 5-6 pin;
In above-mentioned structure, described constant current IC nude film has 6 pins, be called the first pin, the second pin, the 3rd pin, the 4th pin, the 5th pin and the 6th pin, described current sampling resistor has output, and the output of current sampling resistor is connected on the 5th pin and the 6th pin of constant current IC nude film;
In above-mentioned structure, it includes five LED high pressure chipsets, between second output of the first pin of described constant current IC nude film and rectifier bridge, be in series with two LED high pressure chipsets, between described the first pin and the second pin, be provided with a LED high pressure chipset, between described the second pin and the 3rd pin, be provided with a LED high pressure chipset, between described the 3rd pin and the 4th pin, be also provided with a LED high pressure chipset;
In above-mentioned structure, described LED high pressure chipset consists of one or plurality of LEDs chip, and the voltage of every LEDs chip is 27V-85V;
In above-mentioned structure, described rectifier bridge is the full-wave bridge rectifier circuit that four diodes form;
In above-mentioned structure, described insulated substrate is conventional ceramic substrate, transparent ceramic substrate or aluminium base.
The beneficial effects of the utility model are: the utility model is packaged into integrated module by LED chip group, constant current IC, rectifier bridge and peripheral cell; packaged module directly connects civil power (110V, 220V) and just can use; do not need separately to connect again power supply; make that LED application is more simple, cost is cheaper, useful life is more permanent; in addition; can, according to the demand of design, realize temperature protection, overvoltage protection, linearity light adjusting, high FPC, low THD lamp function.
[accompanying drawing explanation]
Fig. 1 is encapsulation basic circuit diagram of the present utility model.
[embodiment]
Below in conjunction with drawings and Examples, the utility model will be further described.
Shown in Fig. 1, the utility model has disclosed a kind of LED constant current module, and this LED constant current module can directly connect civil power and use.It includes and is arranged on insulated substrate 60, and be connected to the power input 10 on civil power, and be encapsulated in the rectifier bridge 20 on insulated substrate 60, current sampling resistor 30, LED high pressure chipset 50 and constant current IC nude film 40, general, the voltage of power output end 10 is 110V or 220V, rectifier bridge 20 has two outputs, for convenient narration, the output of Fig. 1 middle and upper part is first output, the output of bottom is second output, this rectifier bridge 20 is the full-wave bridge rectifier circuit that four diodes form in the present embodiment, current sampling resistor 30 is connected on first output of rectifier bridge, constant current IC nude film 40 has a plurality of pins, in the present embodiment, this constant current IC nude film 40 has six pins altogether, be called the first pin 401, the second pin 402, the 3rd pin 403, the 4th pin 404, the 5th pin 405 and the 6th pin 406, certainly, in concrete application, constant current IC nude film 40 also can have the pin of five or other numbers, current sampling resistor 30 has two outputs, and two outputs are connected to respectively on the 5th pin 405 and the 6th pin 406 of constant current IC nude film 40, can set different constant current value for by changing the resistance of above-mentioned current sampling resistor 30,
In conjunction with Fig. 1, between a plurality of pins of constant current IC nude film 40, and be equipped with LED chip high pressure group 50 between second output of the pin of constant current IC nude film 40 and rectifier bridge 20, in the present embodiment, between second output of the first pin of constant current IC nude film 40 and rectifier bridge 20, be in series with two LED high pressure chipsets 501, between the first pin 401 and the second pin 402, be provided with a LED high pressure chipset 503, between the second pin 402 and the 3rd pin 403, be provided with a LED high pressure chipset 504, between the 3rd pin 403 and the 4th pin 404, be also provided with a LED high pressure chipset 505, and, above-mentioned all LED high pressure chipsets 50 consist of one or plurality of LEDs chip, the voltage of every LEDs chip is 27V-85V, and in the present embodiment, LED high pressure chipset 50 forms by three LED chips in parallel.
By above-mentioned circuit structure; the utility model can directly connect civil power and use; do not need separately to connect again power supply; make that LED application is more simple, cost is cheaper, useful life is more permanent; in addition; can, according to the demand of design, realize temperature protection, overvoltage protection, linearity light adjusting, high FPC, low THD lamp function.
Described above is only preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, can there is various distortion and modification, the retouching that all those of ordinary skill in the art make according to above description, revise or be equal to replacement, all belong to the scope that the utility model is protected.

Claims (7)

1. a LED constant current module that directly connects civil power, it includes and is arranged on insulated substrate, and be connected to the power input on civil power, it is characterized in that: it also includes the rectifier bridge being encapsulated on insulated substrate, current sampling resistor, LED high pressure chipset and constant current IC nude film, described rectifier bridge has two outputs, described current sampling resistor is connected on first output of rectifier bridge, described constant current IC nude film has a plurality of pins, this constant current IC nude film is connected on the output of current sampling resistor, can set different constant current value for by changing the resistance of above-mentioned current sampling resistor, between a plurality of pins of described constant current IC nude film, and be equipped with LED high pressure chipset between second output of the pin of constant current IC nude film and rectifier bridge.
2. a kind of LED constant current module that directly connects civil power according to claim 1, is characterized in that: described constant current IC nude film has 5-6 pin.
3. a kind of LED constant current module that directly connects civil power according to claim 2, it is characterized in that: described constant current IC nude film has 6 pins, be called the first pin, the second pin, the 3rd pin, the 4th pin, the 5th pin and the 6th pin, described current sampling resistor has output, and the output of current sampling resistor is connected on the 5th pin and the 6th pin of constant current IC nude film.
4. a kind of LED constant current module that directly connects civil power according to claim 2, it is characterized in that: it includes five LED high pressure chipsets, between second output of the first pin of described constant current IC nude film and rectifier bridge, be in series with two LED high pressure chipsets, between described the first pin and the second pin, be provided with a LED high pressure chipset, between described the second pin and the 3rd pin, be provided with a LED high pressure chipset, between described the 3rd pin and the 4th pin, be also provided with a LED high pressure chipset.
5. according to a kind of LED constant current module that directly connects civil power described in claim 1 or 4, it is characterized in that: described LED high pressure chipset consists of one or plurality of LEDs chip, and the voltage of every LEDs chip is 27V-85V.
6. a kind of LED constant current module that directly connects civil power according to claim 1, is characterized in that: described rectifier bridge is the full-wave bridge rectifier circuit that four diodes form.
7. a kind of LED constant current module that directly connects civil power according to claim 1, is characterized in that: described insulated substrate is conventional ceramic substrate, transparent ceramic substrate or aluminium base.
CN201320486726.1U 2013-08-09 2013-08-09 LED constant current module directly connected to commercial power Expired - Fee Related CN203482451U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320486726.1U CN203482451U (en) 2013-08-09 2013-08-09 LED constant current module directly connected to commercial power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320486726.1U CN203482451U (en) 2013-08-09 2013-08-09 LED constant current module directly connected to commercial power

Publications (1)

Publication Number Publication Date
CN203482451U true CN203482451U (en) 2014-03-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320486726.1U Expired - Fee Related CN203482451U (en) 2013-08-09 2013-08-09 LED constant current module directly connected to commercial power

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104918363A (en) * 2015-05-14 2015-09-16 西安和合光电科技有限公司 LED constant current drive power supply and production method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104918363A (en) * 2015-05-14 2015-09-16 西安和合光电科技有限公司 LED constant current drive power supply and production method thereof

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EXPY Termination of patent right or utility model
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Granted publication date: 20140312

Termination date: 20150809