CN209402784U

CN209402784U - A kind of LED light driving power and a kind of LED light

Info

Publication number: CN209402784U
Application number: CN201822026307.5U
Authority: CN
Inventors: 林麟
Original assignee: XIAMEN YINXU INDUSTRY TRADE CO LTD
Current assignee: XIAMEN YINXU INDUSTRY TRADE CO LTD
Priority date: 2018-12-04
Filing date: 2018-12-04
Publication date: 2019-09-17
Anticipated expiration: 2028-12-04

Abstract

The utility model discloses a kind of LED light driving power and a kind of LED light, wherein LED light driving power includes the insurance circuit to break down to cut off the power, alternating current is integrated into the rectification circuit of direct current, filter out the filter circuit of the ripple of rectification circuit output, it controls the drive control unit of power supply logics on-off and executes the output circuit of the control command of drive control unit, the input terminal of insurance circuit connects AC mains, the output end of output circuit connects LED light, insurance circuit, rectification circuit, filter circuit, drive control unit and output circuit are sequentially connected, the filter inductance L1 for preventing LED light stroboscopic is provided on output circuit.The utility model solves the problems, such as voltage fluctuation, it can be achieved that maintain to export electric current in wide pressure 85-260V constant, invariable power, without stroboscopic, visually imperceptible.

Description

A kind of LED light driving power and a kind of LED light

Technical field

The utility model relates to field of LED illumination, and in particular to a kind of LED light driving power and a kind of LED light.

Background technique

21 century pursues energy-saving and emission-reduction and environmentally protective, LED backlight and illumination as novel green illumination and increasingly comes into thousand Ten thousand families of family, although current LED scheme has compared with conventional light source, energy conservation and environmental protection, service life be long, the advantages such as small in size, but still deposits In some shortcomings.

As shown in Figure 1 and Figure 2, common LED light driving power has capacitance decompression and two kinds of linear homogeneous on the market Form, both drive forms are not provided with filter inductance, so that there are LED light can occur stroboscopic and line with voltage fluctuation The big shortcoming of wave electric current.

Utility model content

For this purpose, LED light driving power and LED light the purpose of this utility model is to provide a kind of invariable power, without stroboscopic.

To achieve the above object, the technical scheme that the utility model is provided is as follows:

LED light driving power provided by the utility model, the insurance circuit cut off the power including breaking down will exchange Electricity is integrated into the rectification circuit of direct current, the filter circuit for filtering out the ripple that rectification circuit exports, controls power supply logics on-off The output circuit of the control command of drive control unit and execution drive control unit, the input terminal connection exchange city of insurance circuit Power supply, the output end of output circuit connect LED light, insurance circuit, rectification circuit, filter circuit, drive control unit and defeated Circuit is sequentially connected out, and the filter inductance L1 for preventing LED light stroboscopic is provided on output circuit.

Further, drive control unit includes IC controller, to the IC start-up circuit of IC controller power supply and for limiting The current-limiting circuit of maximum output current processed.

Further, IC start-up circuit includes concatenated resistance R1 and capacitor C1, and one end of resistance R1 is with capacitor C1's The tie point that one end is connected is connect with the vdd terminal of IC controller.

Further, current-limiting circuit includes the resistance R2 connecting with the end CS of IC controller.

Further, output circuit includes diode D1, filter inductance L1, capacitor C2 and resistance R3, diode D1 and One end of filter inductance L1 is connected is connected to the end HSD of IC controller again, the other end of diode D1 and capacitor C2 in parallel and electricity One end connection of resistance R3 connects with a pole of LED light again, and the other end of filter inductance L1 is with capacitor C2's in parallel and resistance R3 Other end connection connects with another pole of LED light again.

Further, insurance circuit includes fuse F1；Rectification circuit includes the rectifier bridge being made of four diodes；Filter Wave circuit includes filter capacitor C3.

A kind of LED light, including lamp cap, plug, LED light source, lampshade and LED light driving power, lampshade are with one end The hollow barrel-type structure of opening, LED light source include substrate and the LED lamp bead that is packaged on substrate, and substrate is that diameter is less than lamp The hollow barrel-type structure of cover, lampshade covers LED light source, and the surface of LED lamp bead is attached at the inner wall of lampshade, LED light driving electricity Source is accommodated in the hollow cavity of substrate, and together in the opening of lampshade, lamp cap is arranged on plug plug cover, and lamp cap, LED light are driven Dynamic power supply and LED light source sequentially form electrical connection.

Further, lampshade is hollow circle tube structure, and substrate is the hollow circle tube structure that diameter is less than lampshade.

Further, the surface of LED lamp bead is in arcuate structure compatible with the arc inner wall of lampshade, LED light source Substrate is flexible base plate.

Further, lamp cap includes: section cylindrical outer cover in the shape of an " I " and positive/negative contact, cylindrical outer cover On offer two and plug hole, positive/negative contact is separately positioned on two and plugs in hole, and is separately connected LED light driving power, cylindricality There is clamping raised line on the concave surface of shell, cylindrical outer cover and plug are integrated connection structure.

By technical solution provided by the utility model, have the following beneficial effects:

1. the utility model solves the problems, such as voltage fluctuation, it can be achieved that can maintain output electric current not in wide pressure 85-260V Become, invariable power, without stroboscopic, naked eyes it is imperceptible.

2. the surface of LED lamp bead is attached at the inner wall of lampshade by the utility model, so that the heat that LED lamp bead issues is direct It is transferred on lampshade, then is radiated by lampshade into external environment, sinking path is short, rapid heat dissipation, largely improves small The heat sinking function of type LED light, light efficiency and lux maintenance are high.

3. the substrate of the utility model LED light source is the hollow barrel-type structure that diameter is less than lampshade, lampshade covers LED light Source, LED light driving power are accommodated in the hollow cavity of substrate, and structure space reaches maximum reasonable utilization, without as conventional LED lamp prepares the shell that can accommodate LED light driving power like that, can preferably realize miniaturization setting.

Detailed description of the invention

Fig. 1 is the circuit diagram of existing capacitance decompression form LED light driving power；

Fig. 2 is the circuit diagram of existing linear homogeneous form LED light driving power；

Fig. 3 is the circuit diagram of LED light driving power in the present embodiment；

Fig. 4 is the decomposition diagram of LED light in the present embodiment；

Fig. 5 is the decomposition diagram in the present embodiment on the other direction of LED light；

Fig. 6 is the lamp cap of LED light and the structural schematic diagram of plug in the present embodiment.

Specific embodiment

To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.

Now in conjunction with the drawings and specific embodiments, the present invention will be further described.

As shown in figure 3, LED light driving power provided in this embodiment, the insurance electricity cut off the power including breaking down Road 1, the rectification circuit 2 that alternating current is integrated into direct current, the filter circuit 3 for filtering out the ripple that rectification circuit exports, control supply The output circuit 5 of the control command of the drive control unit 4 and execution drive control unit of electric logic on-off, insurance circuit 1 Input terminal connects AC mains, and the output end of output circuit 5 connects LED light, insurance circuit 1, rectification circuit 2, filtered electrical Road 3, drive control unit 4 and output circuit 5 are sequentially connected, and the filter inductance for preventing LED light stroboscopic is provided on output circuit 5 L1。

In the present embodiment, the AC rectification of input is direct current by rectification circuit 2, is passed through in filter circuit, filtered electrical Ripple in it is filtered by road 3, guarantees its stable waveform, by drive control unit 4, carries out the on-off of control LED light, Output circuit 5 receives the control command of drive control unit 4, by switching on-off, LED light is made to execute on-off；When entire When circuit breaks down, insurance circuit 1 is cut off the power.

As shown in figure 3, drive control unit 4 includes IC controller 411, to the IC start-up circuit of the power supply of IC controller 411 421 and the current-limiting circuit 431 for limiting maximum output current.IC start-up circuit 421 is powered to IC controller 411, makes it just Normal powered operation, current-limiting circuit 431 limit IC controller 411 and export maximum current.Preferably, IC start-up circuit 421 includes string The resistance R1 and capacitor C1 of connection, the VDD of tie point and IC controller 411 that one end of resistance R1 is connected with one end of capacitor C1 End connection.

Preferably, current-limiting circuit 431 includes the resistance R2 connecting with the end CS of IC controller 411.

As shown in figure 3, output circuit 5 include diode D1, filter inductance L1, capacitor C2 and resistance R3, diode D1 and One end of filter inductance L1 is connected is connected to the end HSD of IC controller 411 again, the other end of diode D1 and capacitor C2 in parallel and One end connection of resistance R3 connects with the anode of LED light again, the other end of filter inductance L1 and capacitor C2 and resistance R3 in parallel The other end connection connect again with the cathode of LED light.

As shown in figure 3, insurance circuit 1 includes fuse F1；Rectification circuit 2 includes the rectifier bridge being made of four diodes BR1；Filter circuit 3 includes filter capacitor C3.

In the present embodiment, two input terminals of ACL, ACN are alternating current importations, and effect is to provide energy for entire circuit Amount；Fuse F1 forms insurance circuit, and effect can be cut off the power in time when subsequent circuit malfunctions；Rectifier bridge BR1 forms rectification circuit, and effect is to provide direct current for subsequent circuit；Filter capacitor C3 is filter circuit, and effect is Filter out the ripple of rectifying part output；IC1 is IC controller, and effect is to realize logic control；Resistance R1, capacitor C1 composition IC start-up circuit, effect is to provide energy for the power supply foot VDD of IC controller；Resistance R2 forms current-limiting circuit, and effect is The maximum output current of limiting circuit.

As shown in Figure 4-Figure 6, a kind of LED light, comprising: lamp cap, plug 20, LED light source, lampshade 50 and LED light driving Power supply, the lampshade 50 are with hollow barrel-type structure open at one end, and the LED light source includes substrate 41 and is packaged in this LED lamp bead 42 on substrate 41, the substrate 41 are the hollow barrel-type structure that diameter is less than lampshade 50, and the lampshade 50 covers LED light source, and the surface of LED lamp bead 42 is attached at the inner wall of lampshade 50, the LED light driving power is accommodated in substrate 41 In cavity body, the plug 20 is covered in the opening of lampshade 50, and the lamp cap is arranged on plug 20, the lamp cap, LED light Driving power and LED light source sequentially form electrical connection.

The surface of LED lamp bead 42 is attached to the inner wall of lampshade 50, so that the heat that LED lamp bead 42 issues is transferred directly to On lampshade 50, then through the heat dissipation of lampshade 50 into external environment, sinking path is short, rapid heat dissipation, largely improves small-sized The heat sinking function of LED light, light efficiency and lux maintenance are high.

The substrate 41 of LED light source is the hollow barrel-type structure that diameter is less than lampshade, and lampshade 50 covers LED light source, and LED light is driven Dynamic power supply is accommodated in the hollow cavity of substrate 41, and structure space reaches maximum reasonable utilization, without as conventional LED lamp that Sample prepares the shell that can accommodate LED light driving power, can preferably realize miniaturization setting.

Specifically, the lampshade 50 is hollow circle tube structure in the present embodiment, the substrate 41 is that diameter is less than lampshade 50 hollow circle tube structure.It is columnar structured preferably to be operated in socket, and in circumferential direction without being determined Position, it is easy to assembly.It is certain in other embodiments, lampshade 50 and substrate 41 are also possible to compatible square tube shape structure etc. Deng.

In this specific embodiment, the LED lamp bead 42 is conventional cube structure.In other embodiments, in order to make It is preferably contacted between LED lamp bead 42 and lampshade 50, the surface of the LED lamp bead 42 is in compatible with the arc inner wall of lampshade Arcuate structure, i.e. the sealant surface of LED lamp bead 42 are arranged to arcuate structure, and more closely, heat transmitting can be more preferable for contact.

Further, the substrate 41 of the LED light source is flexible base plate, size can be processed according to demand, and be convenient for Machine-shaping.

Further, the lamp cap includes: that section cylindrical outer cover 10 in the shape of an " I " and positive/negative contact (do not show Out), two are offered on the cylindrical outer cover 10 plug hole 11, the positive/negative contact is separately positioned on two and plugs in hole 11, and It is separately connected LED light driving power.There is clamping raised line 102 on the concave surface 101 of the cylindrical outer cover 10, it is solid convenient for clamping It is fixed.Of course, in other embodiments, lamp cap is also possible to conventional screwed socket.

Further, the cylindrical outer cover 10 is integrated connection structure with plug 20, can be by the techniques one such as being molded, being poured Body formed, simple processing, structure is simple.Of course, in other embodiments, cylindrical outer cover 10 is also possible to removable with plug 20 That unloads is fixedly connected.

Further, the lampshade 50 is glass lamp shade, and translucency is good, production is easily assembled, insulate.Of course, at other It is also possible to plastic lamp shade etc. in embodiment.

Further, the LED light driving power is integrated on circuit board, forms drive circuit board 30, structure is more succinct, Orderly.

Further, in the present embodiment, it is this that it is the prior art that LED lamp bead 42, which is packaged in the specific structure on substrate 41, What the technical staff in field grasped already；Meanwhile lamp cap, LED light driving power and LED light source sequentially form the specific of electrical connection Structure also belongs to the prior art.

Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model can be made a variety of changes, be the protection scope of the utility model.

Claims

1. a kind of LED light driving power, it is characterised in that: including breaking down with cut off the power insurance circuit, by alternating current It is integrated into the drive of the rectification circuit of direct current, the filter circuit for the ripple for filtering out rectification circuit output, control power supply logics on-off The input terminal of the output circuit of dynamic control unit and the control command for executing drive control unit, insurance circuit connects electric main The output end of power supply, output circuit connects LED light, insurance circuit, rectification circuit, filter circuit, drive control unit and output Circuit is sequentially connected, and the filter inductance L1 for preventing LED light stroboscopic is provided on output circuit.

2. LED light driving power according to claim 1, it is characterised in that: drive control unit include IC controller, to The IC start-up circuit that IC controller is powered and the current-limiting circuit for limiting maximum output current.

3. LED light driving power according to claim 2, it is characterised in that: IC start-up circuit includes concatenated resistance R1 With capacitor C1, the tie point that one end of resistance R1 is connected with one end of capacitor C1 is connect with the vdd terminal of IC controller.

4. LED light driving power according to claim 2, it is characterised in that: current-limiting circuit includes the CS with IC controller Hold the resistance R2 of connection.

5. according to any LED light driving power of claim 2-4, it is characterised in that: output circuit include diode D1, Filter inductance L1, capacitor C2 and resistance R3, diode D1 is connected with one end of filter inductance L1 is connected to the HSD of IC controller again End, the other end of diode D1 is connect with one end of capacitor C2 in parallel and resistance R3 to connect with a pole of LED light again, filtered electrical The other end for feeling L1 is connect with the other end of capacitor C2 and resistance R3 in parallel to connect with another pole of LED light again.

6. LED light driving power according to claim 1, it is characterised in that: insurance circuit includes fuse F1；Rectified current Road includes the rectifier bridge being made of four diodes；Filter circuit includes filter capacitor C3.

7. a kind of LED light, it is characterised in that: any including lamp cap, plug, LED light source, lampshade and the claims 1-6 The LED light driving power, lampshade are with hollow barrel-type structure open at one end, and LED light source includes substrate and encapsulation In the LED lamp bead on substrate, substrate is the hollow barrel-type structure that diameter is less than lampshade, and lampshade covers LED light source, and LED lamp bead Surface be attached at the inner wall of lampshade, LED light driving power is accommodated in the hollow cavity of substrate, and plug cover is opened together in lampshade On mouth, lamp cap is arranged on plug, and lamp cap, LED light driving power and LED light source sequentially form electrical connection.

8. LED light according to claim 7, it is characterised in that: lampshade is hollow circle tube structure, and substrate is less than for diameter The hollow circle tube structure of lampshade.

9. LED light according to claim 7, it is characterised in that: the surface of LED lamp bead is in mutually to fit with the arc inner wall of lampshade The arcuate structure matched, the substrate of LED light source are flexible base plate.

10. LED light according to claim 7, it is characterised in that: lamp cap includes: section cylindrical outer cover in the shape of an " I " And positive/negative contact, two, which are offered, on cylindrical outer cover plugs hole, positive/negative contact is separately positioned on two and plugs in hole, and point Not Lian Jie LED light driving power, have clamping raised line on the concave surface of cylindrical outer cover, cylindrical outer cover is integrated with plug connect knot Structure.