CN206350208U - A kind of LED constant current driving power supply of wide output voltage range - Google Patents

Abstract

The utility model provides a kind of LED constant current driving power supply of wide output voltage range, including inductance coil L1, inductance coil L2, rectifier U2, transformer T1, transformer T2, diode D1, diode D2, diode D3 and single-chip microcomputer U1, the inductance coil L1 right-hand members connection rectifier U2, the rectifier U2 right-hand members install transformer T1, the transformer T1 right-hand members connection diode D1, the diode D1 right-hand members connection inductance coil L2, transformer T1 lower ends connection transformer two T2, the T2 right-hand members of the transformer two connection diode D2, the diode D2 right-hand members connecting triode controller U3, the transformer T2 left ends connection diode D3, the diode D3 left ends connection single-chip microcomputer U1, voltage can be adjusted for the design, the utility model is easy to use, it is easy to operation, it can be hung, stability is good, reliability is high.

Description

A kind of LED constant current driving power supply of wide output voltage range

Technical field

The utility model is a kind of LED constant current driving power supply of wide output voltage range, belongs to LED energy-saving equipments field.

Background technology

LED drive power is that power supply is supplied to be converted to specific voltage x current to drive the power supply changeover device that LED is luminous, The input of LED drive power includes high pressure industrial frequency AC, low-voltage direct, HVDC, low-voltage high-frequency exchange etc..

In circuit used in existing LED drive power, it is impossible to accomplish the purpose of complete constant current, cause electric current for a moment big It is for a moment small, the normal illumination of LED is influenceed, and also the unstability of electric current easily causes damage to LED, reduction LED Service life, existing driving power supply is generally all located on ground, and space-consuming is unreasonable, and easily trips user Member, with certain potential safety hazard.

Utility model content

In view of the deficienciess of the prior art, the LED that the utility model purpose is to provide a kind of wide output voltage range is permanent Driving power supply is flowed, to solve the problems mentioned in the above background technology, the utility model is easy to use, be easy to operation, can carry out Suspension, stability is good, and reliability is high.

To achieve these goals, the utility model is to realize by the following technical solutions：A kind of wide output voltage The LED constant current driving power supply of scope, including power supply main body, hollow sleeve, sucker, motion bar, compression spring, stop pad and Handle is pressed, the power supply body front end assembles sucker, and hollow sleeve is fixed in the sucker upper end, during the motion bar is arranged on On empty set pipe, the motion bar is arranged on sucker centre position, and the compression spring is arranged on motion bar, the compression bullet Sucker is assembled in spring lower end, and the compression spring upper end, which is installed, stops pad, and the obstruction pad is fixed on motion bar, the pressure Contracting spring and obstruction pad are installed in hollow sleeve, the motion bar upper end connection pressing handle, on the motion bar End is connected through hollow sleeve with pressing handle, and the pressing handle is arranged on the upside of hollow sleeve, the drive circuit bag Include inductance coil L1, inductance coil L2, rectifier U2, transformer T1, transformer T2, diode D1, diode D2, diode It is D3, diode D4, diode D5, single-chip microcomputer U1 and transistor controller U3, the inductance coil L1, inductance coil L2, whole Flow device U2, transformer T1, transformer T2, diode D1, diode D2, diode D3, diode D4, diode D5, single-chip microcomputer U1 and transistor controller U3 are welded on same circuit board, the inductance coil L1 right-hand members connection rectifier U2, described Rectifier U2 right-hand members install transformer T1, the transformer T1 right-hand members connection diode D1, the diode D1 right-hand members connection electricity Feel coil L2, transformer T1 lower ends connection transformer two T2, the T2 right-hand members of the transformer two connection diode D2, described two Pole pipe D2 right-hand member connecting triode controllers U3, the transformer T2 left ends connection diode D3, the diode D3 left ends connect Single-chip microcomputer U1 is met, the diode D2 right-hand members connect diode D4 and diode D5, the diode D4 and two poles respectively Pipe D5 right-hand members are all connected with transistor controller U3.

Further, fuse F1 and potentiometer VR1 is connected with the drive circuit.

Further, ground wire is installed on the drive circuit.

Further, the sucker is fabricated by by rubber.

Further, the power supply main body is connected by connector with sucker.

Further, the inductance coil L1 inputs are connected with live wire L, the inductance coil L1 output ends and rectification Device U2 inputs are connected, and the rectifier U2 output ends are connected with transformer T1 inputs, the transformer T1 output ends It is connected respectively with diode D1 and transformer T2 inputs, the diode D1 output ends and inductance coil L2 input phases Connection, the inductance coil L2 output ends are connected with LED input, the transformer T2 output ends respectively with diode D2 And diode D3 inputs are connected, the diode D2 output ends respectively with diode D4 and diode D5 input phases Connection, the output end of the diode D2 is connected with transistor controller U3 input, the diode D3 output ends and Single-chip microcomputer U1 inputs are connected.

The beneficial effects of the utility model：A kind of LED constant current driving power supply of wide output voltage range of the present utility model, The utility model by add inductance coil L1, inductance coil L2, rectifier U2, transformer T1, transformer T2, diode D1, Diode D2, diode D3, single-chip microcomputer U1 and transistor controller U3, the design achieves being detected to circuital current, Voltage is adjusted simultaneously, constant current is kept while voltage width is ensured, solves existing LED drive power and used Circuit in, it is impossible to accomplish the purpose of complete constant current, cause electric current to be beaten for a moment for a moment small, influence LED normal illumination, and The unstability of electric current easily causes damage to LED, reduce LED service life the problem of, because addition diode D4 with And diode D5, the design achieves circuit is blocked.

The utility model by add hollow sleeve, sucker, motion bar, compression spring, stop pad and pressing handle, The design achieves suspension fixation is carried out to power supply main body, space availability ratio is improved, potential safety hazard is reduced, solves existing Driving power supply is generally all located on ground, and space-consuming is unreasonable, and easily trips user of service, with certain peace The problem of full hidden danger.

Because of addition fuse and potentiometer, the design achieves being protected to circuit, because of addition ground wire, the design It can prevent from getting an electric shock, the utility model is easy to use, be easy to operation, can be hung, stability is good, reliability is high.

Brief description of the drawings

By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model Levy, objects and advantages will become more apparent upon：

Fig. 1 for a kind of wide output voltage range of the utility model LED constant current driving power supply in drive circuit circuit diagram；

Fig. 2 is a kind of structural representation of the LED constant current driving power supply of wide output voltage range of the utility model；

In figure：1- power supplys main body, 2- hollow sleeves, 3- suckers, 4- motion bars, 5- compression springs, 6- stop pad, 7- Press handle.

Embodiment

To be easy to understand technological means, creation characteristic, reached purpose and effect of the utility model realization, below With reference to embodiment, the utility model is expanded on further.

Fig. 1 and Fig. 2 are referred to, the utility model provides a kind of technical scheme：A kind of LED constant current of wide output voltage range Driving power supply, including power supply main body 1, hollow sleeve 2, sucker 3, motion bar 4, compression spring 5, obstruction pad 6 and pressing hand Hollow sleeve 2 is fixed in handle 7, the front end of power supply main body 1 assembling sucker 3, the upper end of sucker 3, and motion bar 4 is arranged on hollow sleeve 2, living Lever 4 is arranged on the centre position of sucker 3, and compression spring 5 is arranged on motion bar 4, the lower end of compression spring 5 assembling sucker 3, pressure The upper end of contracting spring 5, which is installed, stops pad 6, stops pad 6 and is fixed on motion bar 4, and compression spring 5 and obstruction pad 6 are pacified In hollow sleeve 2, the upper end of motion bar 4 connection pressing handle 7, the upper end of motion bar 4 is through hollow sleeve 2 with pressing handle 7 It is connected, pressing handle 7 is arranged on the upside of hollow sleeve 2, the design can be hung to power supply main body 1, improve space utilization Rate.

Drive circuit includes inductance coil L1, inductance coil L2, rectifier U2, transformer T1, transformer T2, diode D1, diode D2, diode D3, diode D4, diode D5, single-chip microcomputer U1 and transistor controller U3, inductance coil L1, Inductance coil L2, rectifier U2, transformer T1, transformer T2, diode D1, diode D2, diode D3, diode D4, two Pole pipe D5, single-chip microcomputer U1 and transistor controller U3 are welded on same circuit board, the connection rectification of inductance coil L1 right-hand members Device U2, rectifier U2 right-hand member install transformer T1, transformer T1 right-hand members connection diode D1, diode D1 right-hand members connection inductor wire Enclose L2, the transformer T1 lower ends connection T2 of transformer two, the T2 right-hand members of transformer two connection diode D2, diode D2 right-hand members connection three Pole pipe controller U3, transformer T2 left end connect diode D3, diode D3 left ends connection single-chip microcomputer U1, diode D2 right-hand member point Not Lian Jie diode D4 and diode D5, diode D4 and diode D5 right-hand members be all connected with transistor controller U3, and this sets Voltage can be adjusted for meter.

Be connected with drive circuit on fuse F1 and potentiometer VR1, drive circuit and ground wire be installed, sucker 3 by Rubber is fabricated by, and power supply main body 1 is connected by connector with sucker 3, and inductance coil L1 inputs are connected with live wire L, Inductance coil L1 output ends are connected with rectifier U2 inputs, and rectifier U2 output ends are connected with transformer T1 inputs, Transformer T1 output ends are connected with diode D1 and transformer T2 inputs respectively, diode D1 output ends and inductance coil L2 inputs are connected, and inductance coil L2 output ends are connected with LED input, transformer T2 output ends respectively with diode D2 and diode D3 inputs are connected, and diode D2 output ends are connected with diode D4 and diode D5 inputs respectively Connect, diode D2 output end is connected with transistor controller U3 input, diode D3 output ends and single-chip microcomputer U1 are defeated Enter end to be connected.

Embodiment：When drive circuit is connected, drive circuit works simultaneously produce electric current, and then electric current leaves live wire L enters in inductance coil L1, and inductance coil L1 prevents high frequency electric from passing through, and then electric current leaves inductance coil L1 and enters rectifier In U2, then electric current leaves rectifier U2 into transformer T1, realizes and carries out voltage stabilizing processing to Current Voltage, then electric current from Open transformer T1 to start to light into diode D1, diode D1 is powered, then electric current leaves diode D1 and enters inductor wire Enclose in L2, realize and secondary obstruction is carried out to power frequency, then electric current leaves inductance coil L2 and carried out in LED, realizes and is powered Illumination, enters in transformer T2 while electric current leaves transformer T1, is then departed from transformer T2 and enters in diode D3, Ran Houjin Enter in single-chip microcomputer U1, single-chip microcomputer U1 sends instruction, realize and expand voltage output range, the design achieves circuital current is carried out Detection, while voltage is adjusted, constant current is kept while voltage width is ensured

When user of service needs to hang power supply main body 1, user of service is connect the lower surface of sucker 3 and wall Touch, then user of service holds pressing handle 7, while pressing pressing handle 7 downwards, pressing handle 7 is moved down and to sucker 3 Extruded, realize the pressure in the air in extrusion sucker 3, reduction sucker 3, stopped while motion bar 4 moves down drive Pad 6 is moved down, and obstruction pad 6 is moved down to be compressed to compression spring 5, and the effect of deformation is recovered in compression spring 5 Under power, compression spring 5 recovers deformation and drives motion bar 4 to move up, and because under the active force that sucker 3 recovers deformation, inhales Disk 3 recovers deformation and is brought into close contact with wall, realizes that sucker 3 is fixed on wall, the design achieves power supply main body 1 is entered Row suspension is fixed.

General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above, for For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is by institute Attached claim rather than described above are limited, it is intended that will fall in the implication and scope of the equivalency of claim All changes are included in the utility model.Any reference in claim should not be considered as to the right involved by limitation It is required that.

Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims (6)

1. a kind of LED constant current driving power supply of wide output voltage range, including power supply main body（1）, hollow sleeve（2）, sucker （3）, motion bar（4）, compression spring（5）, stop pad（6）And pressing handle（7）, it is characterised in that：The power supply main body （1）Assemble sucker in front end（3）, the sucker（3）Hollow sleeve is fixed in upper end（2）, the motion bar（4）Installed in hollow sleeve （2）On, the motion bar（4）Installed in sucker（3）On centre position, the compression spring（5）Installed in motion bar（4）On, The compression spring（5）Assemble sucker in lower end（3）, the compression spring（5）Upper end, which is installed, stops pad（6）, it is described to stop pad Piece（6）It is fixed on motion bar（4）On, the compression spring（5）And stop pad（6）It is installed in hollow sleeve（2）It is interior, institute State motion bar（4）Upper end connection pressing handle（7）, the motion bar（4）Upper end passes through hollow sleeve（2）With pressing handle（7） It is connected, the pressing handle（7）It is arranged on hollow sleeve（2）Upside；

The drive circuit includes inductance coil L1, inductance coil L2, rectifier U2, transformer T1, transformer T2, diode D1, diode D2, diode D3, diode D4, diode D5, single-chip microcomputer U1 and transistor controller U3, the inductor wire Enclose L1, inductance coil L2, rectifier U2, transformer T1, transformer T2, diode D1, diode D2, diode D3, diode D4, diode D5, single-chip microcomputer U1 and transistor controller U3 are welded on same circuit board, the inductance coil L1 right-hand members Rectifier U2 is connected, the rectifier U2 right-hand members install transformer T1, the transformer T1 right-hand members connection diode D1, described two Pole pipe D1 right-hand members connection inductance coil L2, transformer T1 lower ends connection transformer two T2, the T2 right-hand members of transformer two connect Diode D2, the diode D2 right-hand members connecting triode controller U3 are met, the transformer T2 left ends connect diode D3, institute Diode D3 left ends connection single-chip microcomputer U1 is stated, the diode D2 right-hand members connect diode D4 and diode D5 respectively, described Diode D4 and diode D5 right-hand members are all connected with transistor controller U3.

2. a kind of LED constant current driving power supply of wide output voltage range according to claim 1, it is characterised in that：It is described Fuse F1 and potentiometer VR1 is connected with drive circuit.

3. a kind of LED constant current driving power supply of wide output voltage range according to claim 1, it is characterised in that：It is described Ground wire is installed on drive circuit.

4. a kind of LED constant current driving power supply of wide output voltage range according to claim 1, it is characterised in that：It is described Sucker（3）It is fabricated by by rubber.

5. a kind of LED constant current driving power supply of wide output voltage range according to claim 1, it is characterised in that：It is described Power supply main body（1）Pass through connector and sucker（3）It is connected.

6. a kind of LED constant current driving power supply of wide output voltage range according to claim 1, it is characterised in that：It is described Inductance coil L1 inputs are connected with live wire L, and the inductance coil L1 output ends are connected with rectifier U2 inputs, described Rectifier U2 output ends are connected with transformer T1 inputs, the transformer T1 output ends respectively with diode D1 and transformation Device T2 inputs are connected, and the diode D1 output ends are connected with inductance coil L2 inputs, and the inductance coil L2 is defeated Go out end be connected with LED input, the transformer T2 output ends respectively with diode D2 and diode D3 input phases Connection, the diode D2 output ends are connected with diode D4 and diode D5 inputs respectively, the diode D2's Output end is connected with transistor controller U3 input, and the diode D3 output ends are connected with single-chip microcomputer U1 inputs Connect.