CN206488126U - A kind of adjustable Projecting Lamp of low cost - Google Patents
A kind of adjustable Projecting Lamp of low cost Download PDFInfo
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- CN206488126U CN206488126U CN201720095498.3U CN201720095498U CN206488126U CN 206488126 U CN206488126 U CN 206488126U CN 201720095498 U CN201720095498 U CN 201720095498U CN 206488126 U CN206488126 U CN 206488126U
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- light source
- triode
- transformer
- projecting lamp
- low cost
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Abstract
The utility model discloses a kind of adjustable Projecting Lamp of low cost, including face ring, power pack, light source assembly, integrated die cast lampshade cooling base, New LED power supply is provided with power pack, light fixture cost can be reduced, lampshade cooling base front has accommodating chamber, and the light source assembly is arranged in the accommodating chamber and has the face ring to fix light source assembly.The utility model Projecting Lamp can save process during assembling using the lampshade cooling base of integrated die cast, and COB light source and paster lamp bead two types light source can be installed by reducing in artificial and Material Cost, lamp body, it is adaptable to different demands.
Description
Technical field
The utility model is related to Projecting Lamp, particularly a kind of adjustable Projecting Lamp of low cost.
Background technology
Existing Projecting Lamp is typically made up of lamp body, lampshade, power pack, radiator and light source assembly, and lampshade connects with radiator
Connect, the one end of radiator away from lampshade is connected with lamp body, and light source assembly is placed in radiator, this Projecting Lamp need lamp body,
Lampshade, radiator are connected one by one, complex procedures, expend more artificial and Material Cost.
And Projecting Lamp is following several nothing more than in the design of power supply：First, LED constant current is carried out using resistance-capacitance depressurization pattern
Control；2nd, using AC-DC isolation schemes；3rd, using AC-DC non-isolated schemes.Three kinds comparatively, resistance-capacitance depressurization have it is good
Good cost advantage, single because it is with grid fluctuations affect, output current also changes therewith, and unstability is too strong；Non-isolated electricity
Road cost is between resistance-capacitance depressurization and insulating power supply, but its input and load end are isolated not over transformer, tool
There is certain safety factor；AC-DC insulating power supplies, cost is higher, but because its input and load end carry out electrical isolation control
System, it is safe.
In addition, big small household appliances are carried out wireless by flourishing with smart home using mobile terminals such as smart mobile phones
Control is commonplace, and especially mobile phone wireless light regulating technology applies highly developed, and this light modulation principle is wide based on pulse
Degree modulation（PWM）, its receiving module, microprocessor and light adjusting circuit are integrated on PCB, for ordinary consumer and
It is raw, it is impossible to get information about it and dim principle.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of adjustable Projecting Lamp of low cost.
The technical solution adopted in the utility model is：
A kind of adjustable Projecting Lamp of low cost, including face ring, power pack, light source assembly, the lampshade of integrated die cast
Cooling base, lampshade cooling base front has accommodating chamber, and the light source assembly is arranged in the accommodating chamber and has the face
Ring fixes light source assembly, and LED power is provided with power pack, and the LED power includes for being electrically accessed and being sequentially connected from city
One rectifier bridge, start triggering circuit, high-frequency oscillating circuits, output transformer T2, the second rectifier bridge, the high-frequency oscillating circuits is by becoming
Depressor T1 and triode VT1, triode VT2 are constituted, and the start triggering circuit output end is connected with transformer T1 primary side windings,
Transformer T1 primary side windings are connected by triode VT1, triode VT2 with exporting transformer T2 primary side winding two ends respectively,
Transformer T1 there are two vice-side windings to be respectively used to driving triode VT1, triode VT2 switch in turn, triode VT1 with it is defeated
Be serially connected with capacitance C2 between the primary side winding for going out transformer T2, triode VT2 and output transformer T2 primary side winding it
Between be serially connected with capacitance C3, output transformer T2 vice-side winding connects the second rectifier bridge, and the output end of the second rectifier bridge is used
In connection load.
Current-limiting resistance R4, three poles are connected between base stage and transformer T1 a wherein vice-side winding of the triode VT1
Protection diode D8 is connected between pipe VT1 base stage and emitter stage, is connected between triode VT1 colelctor electrode and emitter stage
Protection diode D10；Current-limiting resistance R5 is connected between the base stage and another vice-side windings of transformer T1 of the triode VT2,
Protection diode D9 is connected between triode VT2 base stage and emitter stage, is connected between triode VT2 colelctor electrode and emitter stage
It is connected to protection diode D11.
The light source assembly includes light source bracket, COB light source, glass plate and reflector, and the bottom of the reflector is opened up
Jagged to be used to accommodate COB light source, the COB light source is fixed on light source bracket, and the glass plate is arranged on above COB light source and covered
Together in reflector top port, the face ring is pressed on the glass plate and fixed by screw.
The light source assembly includes light source bracket, paster LED lamp bead, glass plate and reflector, the bottom of the reflector
Open up jagged for accommodating paster LED lamp bead, the paster LED lamp bead is fixed on light source bracket, and the glass plate is arranged on patch
Piece LED lamp bead top is simultaneously covered on reflector top port, and the face ring is pressed on the glass plate and fixed by screw.
Waterproof apron is provided between glass plate and the reflector top port.
A rotatable U-shaped support is provided with the outside of the lampshade cooling base, the rotatable U-shaped support two ends pass through elasticity
Cushion rubber and bolt on the outside of lampshade cooling base with fixing.
The utility model low cost Projecting Lamp also includes insulating stand, and is arranged on the bluetooth on insulating stand or in insulating stand
Module, single-chip microcomputer, Switching Power Supply, frequency converter, the bluetooth module are used for the Regulate signal for receiving smart mobile phone and connected with single-chip microcomputer
Connect with feedback adjustment signal, the single-chip microcomputer and frequency converter are electrically connected with to export dim signal to frequency converter, the frequency converter it is defeated
Going out terminal is used to connect the LED power progress brightness adjustment control, and the Switching Power Supply is the bluetooth module and single-chip microcomputer
Operating voltage is provided.
The beneficial effects of the utility model：
The utility model Projecting Lamp can save work during assembling using the lampshade cooling base of integrated die cast
Sequence, COB light source and paster lamp bead two types light source can be installed by reducing in artificial and Material Cost, lamp body, it is adaptable to different
Demand.And new driving power supply is constituted using start triggering circuit, high-frequency oscillating circuits, output transformer T2, reduced
Harmonic content, raising power factor (PF), reduce supply current；Circuit is also simplify, reduces element to reduce cost；It is not electrolysed
Electric capacity, it is to avoid environmental pollution.
Brief description of the drawings
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
Fig. 1 is the installation diagram of the utility model Projecting Lamp；
Fig. 2 is the explosive view of the utility model Projecting Lamp；
Fig. 3 is the LED power circuit theory schematic diagram of the utility model Projecting Lamp；
Fig. 4 is the light modulation schematic diagram of the utility model Projecting Lamp.
Embodiment
It is that a kind of low cost of the present utility model can adjust Projecting Lamp, including face ring 1, light source group with reference to shown in Fig. 1-Fig. 2
Lampshade cooling base 2, the bonnet 3 of part, integrated die cast, the front of lampshade cooling base 2 have accommodating chamber 21, the light
Source component is arranged in the accommodating chamber 21 and has the face ring 1 to fix light source assembly.Bonnet 3 is fixed on the lampshade radiating base
Driving power supply 4 is provided with 2 afterbodys of seat, the bonnet 3, the back of bonnet 3 is provided with hook 5, for hanging Projecting Lamp.
Light source assembly in such as Fig. 2, the present embodiment includes light source bracket 6, COB light source 7, glass plate 8 and reflector 9,
The bottom of the reflector 9 opens up jagged for accommodating COB light source 7, and the COB light source 7 is fixed on light source bracket 6, the glass
Plate 8 is arranged on the top of COB light source 7 and is covered on the top port of reflector 9, and the face ring 1 is pressed on the glass plate 8 and by spiral shell
Nail is fixed.
In addition, above-mentioned COB light source 7 can also be replaced with paster LED lamp bead；I.e. described light source assembly includes light source bracket 6, patch
Piece LED lamp bead, glass plate 8 and reflector 9, the bottom of the reflector 9 open up jagged for accommodating paster LED lamp bead, should
Paster LED lamp bead is fixed on light source bracket 6, and the glass plate 8 is arranged on above paster LED lamp bead and is covered on reflector 9 and pushes up
Portion port, the face ring 1 is pressed on the glass plate 8 and fixed by screw.
As the further improvement of the technical program, waterproof is provided between glass plate 8 and reflector 9 top port
Cushion rubber 10, waterproof apron 10 can increase the positive waterproof of lamp body, effectively protect light source assembly.
The outside of lampshade cooling base 2 is provided with a rotatable U-shaped support 11, and the rotatable U-shaped two ends of support 11 lead to
Cross flexible rubber ring 12 and bolt 13 and the outside of lampshade cooling base 2 is fixed.
As described above, the utility model Projecting Lamp can save group using the lampshade cooling base 2 of integrated die cast
Process during dress, COB light source 7 and paster lamp bead two types light source can be installed by reducing in artificial and Material Cost, lamp body, be fitted
For different demands.
In terms of reducing raising and reducing cost, New LED power supply is provided with power pack, as shown in figure 3, the LED power
Including the first rectifier bridge including being electrically accessed and being sequentially connected from city（D1 ~ D4 is constituted）, start triggering circuit, the higher-order of oscillation electricity
Road, output transformer T2, the second rectifier bridge（D12 ~ D15 is constituted）, wherein, guarantor is serially connected between the first rectifier bridge and civil power live wire
Dangerous pipe UF1.
The high-frequency oscillating circuits is made up of transformer T1 and triode VT1, triode VT2, and the start triggering circuit is defeated
Go out end to be connected with transformer T1 primary side windings, transformer T1 primary side windings pass through triode VT1, triode VT2 and output respectively
There are transformer T2 primary side winding two ends connection, transformer T1 two vice-side windings to be respectively used to driving triode VT1, three poles
Pipe VT2 is switched in turn, and capacitance C2, triode VT2 are serially connected between triode VT1 and output transformer T2 primary side winding
Capacitance C3 is serially connected between primary side winding with exporting transformer T2, output transformer T2 vice-side winding connection second is whole
Bridge is flowed, the output end of the second rectifier bridge, which is used to connect, to be loaded.
Wherein, the start triggering circuit is by resistance R2, R3, electric capacity C1, diode D7 and bidirectional trigger diode D6 structures
Into.
Further, it is connected with current-limiting resistance between base stage and transformer T1 a wherein vice-side winding of the triode VT1
Be connected with protection diode D8 between R4, triode VT1 base stage and emitter stage, triode VT1 colelctor electrode and emitter stage it
Between be connected with protection diode D10；Current limiting is connected between the base stage and another vice-side windings of transformer T1 of the triode VT2
Protection diode D9, triode VT2 colelctor electrode and transmitting are connected between resistance R5, triode VT2 base stage and emitter stage
Protection diode D11 is connected between pole.
In addition, the output end of first rectifier bridge is in series with the indicating circuit of resistance R15 and light emitting diode D5 compositions.
As the further optimization of the technical program, the output end series load resistance R6 of second rectifier bridge, as
Fictitious load, it is to avoid unloaded.
The novel power supply operation principle of the technical program is：The first rectifier bridge that diode D1-D4 is constituted is civil power
AC220V becomes direct current, and there are transformer T1 two vice-side windings to be respectively used to driving triode VT1, triode VT2 in turn
Switch, by transformer T1, pulsating direct current is become high frequency electric, Ran Houyou by the high frequency oscillation circuit of triode VT1, VT2 composition
Ferrite exports transformer T2 and hf and hv pulse is depressured, through diode D12-D15 rectification DC power supplies, for LED lamp bead institute
The voltage and power needed.
In terms of light modulation, the utility model is adjustable, and Projecting Lamp also includes insulating stand, and is arranged on insulating stand or insulate
Bluetooth module, single-chip microcomputer, Switching Power Supply, frequency converter in platform, as shown in Figure 4.
The bluetooth module is used to receive the Regulate signal of smart mobile phone and is connected with single-chip microcomputer with feedback adjustment signal, intelligence
Energy mobile phone pre-production has APP control interfaces, realizes the control to bluetooth module.The single-chip microcomputer is electrically connected with defeated with frequency converter
Go out dim signal to frequency converter, specific single-chip microcomputer connects the input terminal of frequency converter to control frequency converter by an output driving
Light modulation；The lead-out terminal of the frequency converter（UVW terminals）Brightness adjustment control is carried out for connecting LED power, is using 380V frequency converters
Main circuit, using the distant control function of frequency converter, realizes continuous light modulation and speed governing.
In terms of power supply, the Switching Power Supply is that the bluetooth module and single-chip microcomputer provide operating voltage.Specifically, opening
Powered-down source has two kinds of direct current outputs of 24V and 5V, and 24V supplies the output driving of single-chip microcomputer, 5V supplies bluetooth module, single-chip microcomputer.
The switch for controlling the 24V and two kinds of direct current outputs of 5V is provided with insulating stand.The frequency converter is by AC power
The alternating-current switch that control AC power output is provided with operating voltage, insulating stand is provided, AC power is matched somebody with somebody as power input
It is equipped with automatic air-break switch, isolating transformer, emergency stop switch and ensures safety.
In addition, being additionally provided with output voltage meter and output current table on the insulating stand, it is respectively used to detect frequency converter
Output voltage or output current.
Below, the specific workflow of the technical program will be introduced, light source is by taking bulb as an example：
（1）Light is controlled to open：Practical traning platform is powered, and it is Bluetooth control pattern, hand to open personal smart mobile phone, setting mobile phone
Machine is with after bluetooth module successful matching, illustrating that communication is normal.Personal mobile phone APP operation interfaces are opened, " turning on light " button, hair is selected
Transmit data to bluetooth module.Bluetooth module introduces single-chip microcomputer（89S52）Transmitting-receiving serial ports, after SCM program, start it is defeated
Go out drive circuit, frequency converter is controlled through input terminal, frequency converter is started working, and LED power is controlled by lead-out terminal, realization
Open.
（2）Increase light（Or voltage）：Operating handset APP " increase light " button, bluetooth module receives, and controls monolithic
Machine, then the speed governing elevated terminals of frequency converter are controlled, the raising speed of frequency converter is realized, so as to realize the blast of light.
（3）Reduce light：Operating handset APP " reduction light " button, bluetooth module receive, principle ibid, herein not
Repeat again.
Preferred embodiments of the present utility model are the foregoing is only, the utility model is not limited to above-mentioned embodiment party
Formula, if with essentially identical means realize the technical scheme of the utility model purpose belong to protection domain of the present utility model it
It is interior.
Claims (7)
1. a kind of adjustable Projecting Lamp of low cost, it is characterised in that：It is cast into including face ring, power pack, light source assembly, integration
The lampshade cooling base of type, lampshade cooling base front has accommodating chamber, and the light source assembly is arranged in the accommodating chamber simultaneously
There is the face ring to fix light source assembly, LED power is installed in power pack, the LED power includes being electrically accessed from city and successively
The first rectifier bridge, start triggering circuit, high-frequency oscillating circuits, output transformer T2, the second rectifier bridge, the higher-order of oscillation of connection
Electric routing transformer T1 and triode VT1, triode VT2 compositions, the start triggering circuit output end and transformer T1 primary sides
Winding is connected, and transformer T1 primary side windings pass through triode VT1, triode VT2 and output transformer T2 primary side winding respectively
Two ends are connected, and there are transformer T1 two vice-side windings to be respectively used to drive triode VT1, triode VT2 to switch in turn, three poles
Capacitance C2, triode VT2 and output transformer T2 original are serially connected between pipe VT1 and output transformer T2 primary side winding
Capacitance C3 is serially connected between the winding of side, output transformer T2 vice-side winding connects the second rectifier bridge, the second rectifier bridge
Output end, which is used to connect, to be loaded.
2. the adjustable Projecting Lamp of a kind of low cost according to claim 1, it is characterised in that：The base of the triode VT1
Current-limiting resistance R4 is connected between pole and transformer T1 a wherein vice-side winding, is connected between triode VT1 base stage and emitter stage
Protection diode D8 is connected to, protection diode D10 is connected between triode VT1 colelctor electrode and emitter stage；The triode
Be connected with current-limiting resistance R5 between VT2 base stage and another vice-side windings of transformer T1, triode VT2 base stage and emitter stage it
Between be connected with protection diode D9, be connected with protection diode D11 between triode VT2 colelctor electrode and emitter stage.
3. the adjustable Projecting Lamp of a kind of low cost according to claim 1, it is characterised in that：The light source assembly includes light
Source support, COB light source, glass plate and reflector, the bottom of the reflector open up jagged for accommodating COB light source, the COB
Light source is fixed on light source bracket, and the glass plate is arranged on above COB light source and is covered on reflector top port, the face ring
It is pressed on the glass plate and is fixed by screw.
4. the adjustable Projecting Lamp of a kind of low cost according to claim 1, it is characterised in that：The light source assembly includes light
Source support, paster LED lamp bead, glass plate and reflector, the bottom of the reflector open up jagged for accommodating paster LED lamp
Pearl, the paster LED lamp bead is fixed on light source bracket, and the glass plate is arranged on above paster LED lamp bead and is covered on reflector
Top port, the face ring is pressed on the glass plate and fixed by screw.
5. the adjustable Projecting Lamp of a kind of low cost according to claim 3, it is characterised in that：The glass plate and reflector
Waterproof apron is provided between top port.
6. the adjustable Projecting Lamp of a kind of low cost according to claim 1, it is characterised in that：Outside the lampshade cooling base
Side is provided with a rotatable U-shaped support, the rotatable U-shaped support two ends by flexible rubber ring and bolt with outside lampshade cooling base
Side is fixed.
7. the adjustable Projecting Lamp of a kind of low cost according to claim 1, it is characterised in that：Also include insulating stand, and
Bluetooth module, single-chip microcomputer, Switching Power Supply, frequency converter on insulating stand or in insulating stand are arranged on, the bluetooth module is used to receive
The Regulate signal of smart mobile phone is simultaneously connected with feedback adjustment signal with single-chip microcomputer, and the single-chip microcomputer is electrically connected with defeated with frequency converter
Go out dim signal to frequency converter, the lead-out terminal of the frequency converter is used for the connection LED power and carries out brightness adjustment control, described
Switching Power Supply is that the bluetooth module and single-chip microcomputer provide operating voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720095498.3U CN206488126U (en) | 2017-01-22 | 2017-01-22 | A kind of adjustable Projecting Lamp of low cost |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720095498.3U CN206488126U (en) | 2017-01-22 | 2017-01-22 | A kind of adjustable Projecting Lamp of low cost |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206488126U true CN206488126U (en) | 2017-09-12 |
Family
ID=59765837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720095498.3U Expired - Fee Related CN206488126U (en) | 2017-01-22 | 2017-01-22 | A kind of adjustable Projecting Lamp of low cost |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206488126U (en) |
-
2017
- 2017-01-22 CN CN201720095498.3U patent/CN206488126U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170912 Termination date: 20190122 |