CN202017927U - Light-emitting diode (LED) lamp - Google Patents
Light-emitting diode (LED) lamp Download PDFInfo
- Publication number
- CN202017927U CN202017927U CN2011200611399U CN201120061139U CN202017927U CN 202017927 U CN202017927 U CN 202017927U CN 2011200611399 U CN2011200611399 U CN 2011200611399U CN 201120061139 U CN201120061139 U CN 201120061139U CN 202017927 U CN202017927 U CN 202017927U
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- China
- Prior art keywords
- led lamp
- current
- lamp
- limiting resistance
- bridge rectifier
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- 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.)
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Abstract
The utility model discloses a light-emitting diode (LED) lamp, which comprises a bridge rectifier consisting of four rectifying diodes, wherein one output end of the bridge rectifier is connected with a first current-limiting resistor; the other end of the first current-limiting resistor is connected with an LED lamp group; the other end of the LED lamp group is connected to the other output end of the bridge rectifier through a second current-limiting resistor; the first current-limiting resistor and the second current-limiting resistor consist of two or more current-limiting resistors which are connected in parallel respectively; and the first current-limiting resistor at least comprises a positive temperature coefficient (PTC) thermistor. The LED lamp can be dimmed by any dimmer in the market, the energy conversion loss is reduced by fewer elements, the lamp is easily controlled, the working current can be changed by changing the resistance of any one current-limiting resistor, the radiating performance is high, the PTC thermistor can provide stable current at any time during work, the power is improved when outside voltage is increased during work, the temperature and PTC resistance are increased, the working current drops to keep stable, and the service life is long.
Description
Technical field
The utility model relates to a kind of LED lamp.
Background technology
The circuit of all electricity-saving lamps of the prior art and LED lamp is all complicated, and component is many, and as transformer, inductance, resistance, electric capacity, electrochemical capacitor, diode, integrated circuit etc., so problem is many, conversion efficiency is low, service life is short.
The utility model content
In view of this, technical problem to be solved in the utility model is: the LED that a kind of circuit is simple, energy loss is low is provided lamp.
In order to achieve the above object, the utility model adopts following technical scheme to realize:
A kind of LED lamp, wherein, comprise the bridge rectifier of forming by 4 rectification diodes, described bridge rectifier has two power inputs and two outputs, an output of described bridge rectifier is connected with first current-limiting resistance, the other end of described first current-limiting resistance is connected with LED lamp group, and the other end of described LED lamp group is connected in another output of described bridge rectifier by second current-limiting resistance.
As preferably, described first current-limiting resistance and second current-limiting resistance are made of two or more current-limiting resistance parallel connections respectively, comprise a PTC thermistor in described first current-limiting resistance at least.
As preferably, described LED lamp group is served as reasons and many LED lamp body in parallel in twos that is cascaded is constituted.
As preferably, described LED lamp group is integrated in a light source board.
As preferably, described LED lamp also has cloche, be connected in lamp socket on the cloche, be connected in described the lamp socket lamp housing of cloche one end and the lamp holder that is connected in described lamp housing dorsad, the light source board of the described LED of being integrated with lamp group is connected in the side of described lamp socket in the face of described cloche, and described LED lamp group is electrically connected on described lamp holder.
As preferably, described lamp housing is for having the ups and downs lamp design in many places.
As preferably, also have a plurality of fin that are connected on the described lamp socket in the described lamp housing, described fin comprises a plurality of bar shaped lamellar bodies that are connected on the fin base plate, one of them minor face end face of described bar shaped lamellar body is connected on the described fin base plate and surrounds annular, part bar shaped lamellar body is connected on the described fin base plate in vertical direction, another part bar shaped lamellar body tilts to the periphery, and the described bar shaped lamellar body of Qing Xieing surrounds in the bar shaped lamellar body of annular for being arranged at of interval is described to the periphery.
As preferably, also be connected with the heat radiation lacquer on the described lamp housing outer wall.
As preferably, also be electrically connected with the power pack pcb board between described LED lamp group and the described lamp holder, be connected with the heat conduction glue-line on the described power pack pcb board.
As preferably, a power input of described bridge rectifier is connected with fuse.
As shown from the above technical solution, the beneficial effects of the utility model are:
Compared to existing technology; the utility model can use commercially available any light modulator to carry out light modulation; loss when reducing the element energy conversion with less elements; control easily; after the AC power supplies electric current becomes direct current by fuse through bridge rectifier; inflow flows into the light source board be integrated with LED lamp group after by first current-limiting resistance again makes the LED lamp body luminous; flow back to AC power supplies after flowing into second current-limiting resistance more afterwards; can change operating current by the resistance that changes any one current-limiting resistance easily; thereby power is changed; it designs very hommization; the PTC thermistor can provide stabling current at any time when work; power became big when external voltage uprised with when work, and temperature rising PTC resistance rises and operating current descended immediately keep stable, has temperature protection effectively to prolong service life of the present utility model.The utility model has the ups and downs lamp design in many places, fin, heat radiation lacquer and heat conduction glue-line by being provided with, further strengthened heat dispersion of the present utility model, especially the structure of fin has improved radiating effect greatly in the utility model, thereby has effectively improved service life of the present utility model.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is a sectional structure schematic diagram of the present utility model.
Fig. 4 is the structural representation of fin in the utility model.
Fig. 5 is the structural representation of looking up of lamp housing of the present utility model, has wherein illustrated the structure of stealthy louvre.
The specific embodiment
In order to make those skilled in the art can further understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing.
See also Fig. 1 to shown in Figure 5, the utility model provides a kind of LED lamp, comprise the bridge rectifier of forming by 4 rectification diodes 1, described bridge rectifier 1 has two power inputs and two outputs, an output of described bridge rectifier 1 is connected with first current-limiting resistance 2, the other end of described first current-limiting resistance 2 is connected with LED lamp group 3, and the other end of described LED lamp group 3 is connected in another output of described bridge rectifier by second current-limiting resistance 4.
Wherein, described first current-limiting resistance 2 and second current-limiting resistance 4 can be made of two or more current-limiting resistance parallel connections respectively, comprise a PTC thermistor in described first current-limiting resistance at least.In the present embodiment, described LED lamp group 3 is served as reasons and many LED lamp body in parallel in twos that is cascaded is constituted.Described LED lamp group can be integrated in a light source board 5.
Described LED lamp also has cloche 6, be connected in lamp socket 7 on the cloche, be connected in described lamp socket 7 lamp housing 8 of cloche one end and the lamp holder 9 that is connected in described lamp housing 8 dorsad, the light source board 5 of the described LED of being integrated with lamp group is connected in the side of described lamp socket in the face of described cloche, and described LED lamp group is electrically connected on described lamp holder 9.Described lamp housing is for having the ups and downs lamp design in many places.Also have a plurality of fin 10 that are connected on the described lamp socket in the described lamp housing, in the present embodiment, described fin comprises a plurality of bar shaped lamellar bodies that are connected on the fin base plate, one of them minor face end face of described bar shaped lamellar body is connected on the described fin base plate and surrounds annular, part bar shaped lamellar body 11 is connected on the described fin base plate in vertical direction, another part bar shaped lamellar body 12 tilts to the periphery, and the described bar shaped lamellar body of Qing Xieing surrounds in the bar shaped lamellar body of annular for being arranged at of interval is described to the periphery.Also can be connected with heat radiation lacquer (not shown) on the described lamp housing outer wall.Also be electrically connected with power pack pcb board 13 between described LED lamp group and the described lamp holder, be connected with heat conduction glue-line (not shown) on the described power pack pcb board 13.A power input of described bridge rectifier also can be connected with fuse 14.
In order further to strengthen radiating effect of the present utility model, in the bottom of described lamp housing 8 a plurality of stealthy louvres 15 can also be set, in the present embodiment, a plurality of semicircle gap of described stealthy louvre for convexing to form to hull outside along the bottom shell wall of described lamp housing 8.
But the above only is a preferable possible embodiments of the present utility model, is not in order to limit to claim of the present utility model, so the equivalent structure that all utilization the utility model specifications and accompanying drawing content are done changes, all in like manner to be included in the scope of the present utility model.
Claims (10)
1. LED lamp, it is characterized in that: comprise the bridge rectifier of forming by 4 rectification diodes, described bridge rectifier has two power inputs and two outputs, an output of described bridge rectifier is connected with first current-limiting resistance, the other end of described first current-limiting resistance is connected with LED lamp group, and the other end of described LED lamp group is connected in another output of described bridge rectifier by second current-limiting resistance.
2. LED lamp as claimed in claim 1 is characterized in that: described first current-limiting resistance and second current-limiting resistance are made of two or more current-limiting resistance parallel connections respectively, comprise a PTC thermistor in described first current-limiting resistance at least.
3. LED lamp as claimed in claim 1 or 2 is characterized in that: described LED lamp group is served as reasons and many LED lamp body in parallel in twos that is cascaded is constituted.
4. LED lamp as claimed in claim 3 is characterized in that: described LED lamp group is integrated in a light source board.
5. LED lamp as claimed in claim 4, it is characterized in that: described LED lamp also has cloche, be connected in lamp socket on the cloche, be connected in described the lamp socket lamp housing of cloche one end and the lamp holder that is connected in described lamp housing dorsad, the light source board of the described LED of being integrated with lamp group is connected in the side of described lamp socket in the face of described cloche, and described LED lamp group is electrically connected on described lamp holder.
6. LED lamp as claimed in claim 5 is characterized in that: described lamp housing is for having the ups and downs lamp design in many places.
7. LED lamp as claimed in claim 5, it is characterized in that: also have a plurality of fin that are connected on the described lamp socket in the described lamp housing, described fin comprises a plurality of bar shaped lamellar bodies that are connected on the fin base plate, one of them minor face end face of described bar shaped lamellar body is connected on the described fin base plate and surrounds annular, part bar shaped lamellar body is connected on the described fin base plate in vertical direction, another part bar shaped lamellar body tilts to the periphery, and the described bar shaped lamellar body of Qing Xieing surrounds in the bar shaped lamellar body of annular for being arranged at of interval is described to the periphery.
8. LED lamp as claimed in claim 7 is characterized in that: also be connected with the heat radiation lacquer on the described lamp housing outer wall.
9. LED lamp as claimed in claim 8 is characterized in that: also be electrically connected with the power pack pcb board between described LED lamp group and the described lamp holder, be connected with the heat conduction glue-line on the described power pack pcb board.
10. LED lamp as claimed in claim 8, it is characterized in that: a power input of described bridge rectifier is connected with fuse, the bottom of described lamp housing also is provided with a plurality of stealthy louvres, a plurality of semicircle gap that described stealthy louvre convexes to form to hull outside for the bottom shell wall along described lamp housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200611399U CN202017927U (en) | 2011-03-10 | 2011-03-10 | Light-emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200611399U CN202017927U (en) | 2011-03-10 | 2011-03-10 | Light-emitting diode (LED) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202017927U true CN202017927U (en) | 2011-10-26 |
Family
ID=44811597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200611399U Expired - Fee Related CN202017927U (en) | 2011-03-10 | 2011-03-10 | Light-emitting diode (LED) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202017927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104115085A (en) * | 2012-02-16 | 2014-10-22 | 奥斯兰姆施尔凡尼亚公司 | Multiplexer circuit for dual thermistor operation using a single line coupling |
-
2011
- 2011-03-10 CN CN2011200611399U patent/CN202017927U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104115085A (en) * | 2012-02-16 | 2014-10-22 | 奥斯兰姆施尔凡尼亚公司 | Multiplexer circuit for dual thermistor operation using a single line coupling |
| CN104115085B (en) * | 2012-02-16 | 2016-06-29 | 奥斯兰姆施尔凡尼亚公司 | The multiplexer circuit operated for the double thermal resistors using single line to couple |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20111026 Termination date: 20160310 |