CN206802774U - A kind of integrated photoconductive structure and the LED illumination lamp using the integrated photoconductive structure - Google Patents
A kind of integrated photoconductive structure and the LED illumination lamp using the integrated photoconductive structure Download PDFInfo
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- CN206802774U CN206802774U CN201720285445.8U CN201720285445U CN206802774U CN 206802774 U CN206802774 U CN 206802774U CN 201720285445 U CN201720285445 U CN 201720285445U CN 206802774 U CN206802774 U CN 206802774U
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- diode
- photoconductive structure
- pcb board
- resistor
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Abstract
A kind of LED illumination lamp the utility model discloses integrated photoconductive structure and using the integrated photoconductive structure, the integrated photoconductive structure includes metal pcb board, the drive circuit on the front of metal pcb board and LED illuminator, drive circuit is made up of fuse, rectification circuit and pwm control circuit, and pwm control circuit includes the first electrochemical capacitor, the second electrochemical capacitor, electric capacity, first resistor, second resistance, 3rd resistor, the first diode, inductance, driving chip；Advantage is that the chip select terminal of driving chip is grounded by first resistor and second resistance, output current changes according to first resistor and second resistance, first resistor and second resistance are constant, strengthen the stability of output current, and the electric current that inductance and the second electrochemical capacitor maintain LED illuminator is stable；Avoid and be welded to connect between drive circuit and LED illuminator using wire, avoid line loss, so as to improve the precision of output voltage and output current；Can one-time process complete, so as to simplify production technology.
Description
Technical field
A kind of LED illumination lamp is the utility model is related to, more particularly, to a kind of integrated photoconductive structure and uses the one
Change the LED illumination lamp of photoconductive structure.
Background technology
LED illumination lamp has the advantages that energy-conserving and environment-protective, service life length, without stroboscopic, therefore has obtained rapid popularization.
Existing LED illumination lamp generally includes lamp holder, lamp body and photoconductive structure, and photoconductive structure is by LED light source and for driving LED light
The driving power composition in source, LED light source are horizontally placed in lamp body, and driving power is vertically arranged in lamp holder, and LED light source includes
Lamp plate and the plurality of LEDs particle being pasted on lamp plate, driving power include driving plate and the multiple first devices being welded in driving plate
Part, lamp plate are welded to connect with driving plate by wire, and lamp plate and driving plate are perpendicular on locus.This LED illumination lamp
Problems be present：1）Because LED light source and driving power are respectively arranged in lamp body and lamp holder, and lamp plate and driving plate are in sky
Between require perpendicular on position, therefore it is complicated not only to cause the complex manufacturing of LED illumination lamp, internal structure, so as to increase
Manufacturing cost is added, and the length that have impact on LED illumination lamp is set, and limits the configuration design of product；2）Due to lamp plate with
Driving plate is welded to connect by wire, i.e., outlet line is relatively long, line loss, therefore the essence of output voltage and output current be present
Exactness can reduce, so as to which delivery efficiency can be caused relatively low.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of output voltage and the accuracy of output current is high, and
Can one-time process complete small volume integrated photoconductive structure, and using the integrated photoconductive structure LED illumination lamp.
Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of integrated photoconductive structure, it is special
Sign is the drive circuit and LED for including the metal pcb board for being printed with circuit, being arranged on the front of described metal pcb board
Illuminator, described drive circuit are made up of fuse, rectification circuit and pwm control circuit, and described pwm control circuit includes
First electrochemical capacitor, the second electrochemical capacitor, electric capacity, first resistor, second resistance, 3rd resistor, the first diode, inductance, drive
Dynamic chip, an input of described rectification circuit are connected by described fuse with outside lamp holder, described rectified current
Another input on road is directly connected with outside lamp holder, and the output end of described rectification circuit is electrolysed with described first respectively
The positive terminal of electric capacity, the negative pole end of the first described diode, one end of described 3rd resistor and the described second electrolysis electricity
The positive terminal connection of appearance, and its public connecting end is connected with the positive terminal of described LED illuminator, the first described electrochemical capacitor
Negative pole end ground connection, the power end of described driving chip passes through described capacity earth, the chip select terminal of described driving chip
It is grounded by described first resistor, described second resistance is connected in parallel with described first resistor, described driving chip
Output end be connected respectively with the positive terminal of the first described diode and one end of described inductance, described inductance it is another
End is connected with the other end of described 3rd resistor and the negative pole end of the second described electrochemical capacitor respectively, and its public connecting end
It is connected with the negative pole end of described LED illuminator.
The model SY58582 of described driving chip.
Described rectification circuit includes the second diode, the 3rd diode, the 4th diode and the 5th diode, described
The positive terminal of second diode is connected with the negative pole end of the 3rd described diode, and its public connecting end and described fuse
One end connection, the other end of described fuse is connected with outside lamp holder, the positive terminal of the 3rd described diode with it is described
The 4th diode positive terminal connection, and its public connecting end be grounded, the negative pole end of the 4th described diode with it is described
The positive terminal connection of 5th diode, and its public connecting end is connected with outside lamp holder, the negative pole end of the second described diode
It is connected with the negative pole end of the 5th described diode, and its public connecting end is the output end of described rectification circuit.
It is described the first electrochemical capacitor, the second described electrochemical capacitor, described electric capacity, described first resistor, described
Second resistance, described 3rd resistor, the first described diode, described inductance, described driving chip, described
Two diodes, the 3rd described diode, the 4th described diode and the 5th described diode use SMD paster techniques
It is affixed on the front of described metal pcb board；Described LED illuminator is connected by plurality of LEDs particle serial or parallel connection or connection in series-parallel
Connect and form, the LED particle described in more is affixed on using SMD paster techniques on the front of described metal pcb board.Here, using
Component in drive circuit and LED particle are affixed on the front of metal pcb board by SMD paster techniques, may be such that the integration
The thickness of photoconductive structure is smaller.
Described drive circuit is arranged on the positive middle section of described metal pcb board；LED described in more
Grain is uniformly distributed on the positive neighboring area of described metal pcb board.Here, the component of drive circuit is affixed on metal
On the positive middle section of pcb board, and LED particle is uniformly distributed on the positive neighboring area of metal pcb board, can be with
The component for the light driven circuit that LED particle sends is avoided to block.
A kind of LED illumination lamp using above-mentioned integrated photoconductive structure, it is characterised in that including plastics lamp body, diffuser
With described integrated photoconductive structure, it is provided with close to its top for described in fixed on the inwall of described plastics lamp body
Integrated photoconductive structure and the metalwork that is radiated for described integrated photoconductive structure, described integrated photoconductive structure fix
In on described metalwork, described diffuser is covered on described integrated photoconductive structure, and the cover of described diffuser
Mouth edge is connected with the tip edge of described plastics lamp body.
Described metalwork has a ring-shaped platform, and multiple lower spiral shells are circumferentially uniformly offered on described ring-shaped platform
Hole, the described metal pcb board in described integrated photoconductive structure is in disk form, circumferentially equal on described metal pcb board
Even to offer multiple upper screws, the back side of described metal pcb board is bonded with described ring-shaped platform down, and is made described upper
Screw corresponds with described lower screw, and described through described upper screw and the realization of described lower screw by screw
Metal pcb board is fixedly connected with described metalwork.Here, the ring width of ring-shaped platform can increase as needed, to be formed
Good radiating effect.
The tip edge of the cover mouth edge of described diffuser and described plastics lamp body is by snapping connection.
Compared with prior art, the utility model has the advantage of：
1）In existing LED illumination lamp, the size of the lamp plate due to being limited to LED light source, therefore if desired will be existing
Drive circuit concentrate on lamp plate, or then requiring that electrolytic element and inductance element are very small, but this is in actual process
It is difficult to；Electrolytic element and inductance element are canceled, but into linear after canceling electrolytic element and inductance element
Circuit, and for linear circuit, because lacking magnetic element, the fluctuation of voltage and current is very big, and radiate can only by resistance and
It is electrolysed to realize, so the crash rate of drive circuit will rise, therefore propose a kind of new drive circuit, drive core
The chip select terminal of piece is grounded by first resistor and second resistance, and output current changes according to first resistor and second resistance, and first
Resistance and second resistance are constant, strengthen the stability of output current, and magnetic element is inductance and electrolytic element i.e. the second electrolysis
The electric current that electric capacity maintains LED illuminator is stable.
2）Because drive circuit and LED illuminator are concentrated on one piece of metal pcb board, thus avoid drive circuit with
It is welded to connect between LED illuminator using wire, avoids line loss, so as to improves the accurate of output voltage and output current
Degree, can bring up to 5%~10%, finally greatly reduce the crash rate of the LED illumination lamp using the integrated photoconductive structure.
3）Drive circuit and LED illuminator may be contained within the front of metal pcb board, can one-time process complete, so as to letter
Production technology is changed.
4）The small volume of the integrated photoconductive structure so that use the shape of the LED illumination lamp of the integrated photoconductive structure
Can arbitrarily it change.
5）The LED illumination lamp concentrates on one due to the drive circuit in the integrated photoconductive structure that uses and LED illuminator
On block metal pcb board, therefore avoid and be welded to connect between drive circuit and LED illuminator using wire, avoid line loss, from
And output voltage and the precision of output current are improved, 5%~10% can be brought up to, finally greatly reduces LED illumination lamp
Crash rate.
6）The LED illumination lamp because the back side of the metal pcb board in the integrated photoconductive structure that uses is even curface,
Any component is not disposed with, therefore the height of plastics lamp body can arbitrarily change, it might even be possible to accomplish a planar thickness, from
And add the design changeability of lamp body structure.
7）Drive circuit and LED illuminator in the integrated photoconductive structure that the LED illumination lamp uses may be contained within metal
On the front of pcb board, can one-time process complete, production technology is simplified, so as to improve the production efficiency of LED illumination lamp.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the integrated photoconductive structure of embodiment one；
Fig. 2 is the circuit diagram of the drive circuit in the integrated photoconductive structure of embodiment one；
Fig. 3 is the overall structure diagram of the LED illumination lamp of embodiment two；
Fig. 4 is the decomposition texture schematic diagram of the LED illumination lamp of embodiment two.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one：
A kind of integrated photoconductive structure that the present embodiment proposes, as depicted in figs. 1 and 2, it includes the gold for being printed with circuit
Category pcb board 11, the drive circuit 12 being arranged on the front of metal pcb board 11 and LED illuminator 13, drive circuit 12 is by insuring
Silk F1, rectification circuit 14 and pwm control circuit 15 form, and pwm control circuit 15 includes the first electrochemical capacitor CE1, the second electrolysis
Electric capacity CE2, electric capacity C1, first resistor R1, second resistance R2,3rd resistor R3, the first diode D1, inductance L1, model
SY58582 driving chip U1, rectification circuit 14 include the second diode D2, the 3rd diode D3, the 4th diode D4 and the
Five diode D5, the second diode D2 positive terminal are connected with the 3rd diode D3 negative pole end, and its public connecting end is with protecting
Dangerous silk F1 one end connection, the fuse F1 other end are connected with the fire line terminal L of outside lamp holder, the 3rd diode D3 positive pole
End is connected with the 4th diode D4 positive terminal, and its public connecting end is grounded, the 4th diode D4 negative pole end and the five or two
Pole pipe D5 positive terminal connection, and its public connecting end is connected with the zero terminal N of outside lamp holder, the second diode D2 negative pole
End is connected with the 5th diode D5 negative pole end, and its public connecting end is the output end of rectification circuit 14, rectification circuit 14
The output end positive terminal with the first electrochemical capacitor CE1, the first diode D1 negative pole end, 3rd resistor R3 one end and respectively
Two electrochemical capacitor CE2 positive terminal connection, and its public connecting end is connected with the positive terminal of LED illuminator 13, the first electrolysis electricity
Hold CE1 negative pole end ground connection, driving chip U1 power end VCC is grounded by electric capacity C1, and driving chip U1 chip select terminal CS leads to
First resistor R1 ground connection is crossed, second resistance R2 is connected in parallel with first resistor R1, and driving chip U1 output end D is respectively with first
Diode D1 positive terminal connects with inductance L1 one end, the inductance L1 other end respectively with the 3rd resistor R3 other end and
Two electrochemical capacitor CE2 negative pole end connection, and its public connecting end is connected with the negative pole end of LED illuminator 13.
In this particular embodiment, the first electrochemical capacitor CE1, the second electrochemical capacitor CE2, electric capacity C1, first resistor R1,
Two resistance R2,3rd resistor R3, the first diode D1, inductance L1, driving chip U1, the second diode D2, the 3rd diode D3,
4th diode D4 and the 5th diode D5 are affixed on the front of metal pcb board 11 using SMD paster techniques；LED illuminator
13 are connected in series by plurality of LEDs particle 131, and plurality of LEDs particle 131 is affixed on metal pcb board 11 using SMD paster techniques
On front.Here, the component in drive circuit 12 and LED particle 131 are affixed on by metal pcb board 11 using SMD paster techniques
Front on, may be such that the thickness of the integrated photoconductive structure is smaller.
In this particular embodiment, drive circuit 12 is arranged on the positive middle section of metal pcb board 11；More
LED particle 131 is uniformly distributed on the positive neighboring area of metal pcb board 11.Here, the component of drive circuit 12 is pasted
In on the positive middle section of metal pcb board 11, and LED particle 131 is uniformly distributed in the positive week of metal pcb board 11
On the domain of border area, the component for the light driven circuit 12 that LED particle 131 sends can be avoided to block.
In the present embodiment, metal pcb board 11 uses prior art；Model SY58582 driving chip U1 is commercially available；
Connection between each component of drive circuit 12, the connection between the LED particle 131 of LED illuminator 13, drive circuit 12 with
Connected mode between LED illuminator 13 uses technology, and the connection by being printed on metal pcb board 11.
Embodiment two：
The present embodiment proposes a kind of LED illumination lamp of the integrated photoconductive structure using embodiment one, such as Fig. 3 and Fig. 4
Shown, it includes lamp holder（Not shown in figure）, plastics lamp body 2, diffuser 3 and integrated photoconductive structure 1, the top of lamp holder and modeling
Expect the bottom connection of lamp body 2, be provided with the inwall of plastics lamp body 2 close to its top for being fixed to integration photoconductive structure
1 and the metalwork 4 that radiates of integrated photoconductive structure 1, integrated photoconductive structure 1 is fixed on metalwork 4, and the cover of diffuser 3 is set
In on integrated photoconductive structure 1, and the tip edge of the cover mouth edge of diffuser 3 and plastics lamp body 2 is by snapping connection.
In this particular embodiment, metalwork 4 has a ring-shaped platform 41, is circumferentially uniformly opened up on ring-shaped platform 41
There are three lower screws 42, the metal pcb board 11 in integrated photoconductive structure 1 is in disk form, circumferentially uniform on metal pcb board 11
Three upper screws 16 are offered, the back side of metal pcb board 11 is bonded with ring-shaped platform 41 down, and makes screw 16 and lower screw
42 correspond, and realize that metal pcb board 11 connects with the fixed of metalwork 4 through upper screw 16 and lower screw 42 by screw 5
Connect.Here, the ring width of ring-shaped platform 41 can increase as needed, to form good radiating effect.
In the present embodiment, the shape of plastics lamp body 2 may be designed to diversified.
Claims (8)
1. a kind of integrated photoconductive structure, it is characterised in that including being printed with the metal pcb board of circuit, being arranged at described metal
Drive circuit and LED illuminator on the front of pcb board, described drive circuit control electricity by fuse, rectification circuit and PWM
Road form, described pwm control circuit include the first electrochemical capacitor, the second electrochemical capacitor, electric capacity, first resistor, second resistance,
3rd resistor, the first diode, inductance, driving chip, an input of described rectification circuit pass through described fuse
It is connected with outside lamp holder, another input of described rectification circuit is directly connected with outside lamp holder, described rectification circuit
The output end positive terminal with the first described electrochemical capacitor, the negative pole end of the first described diode, the described the 3rd respectively
One end of resistance connects with the positive terminal of the second described electrochemical capacitor, and its public connecting end and described LED illuminator
Positive terminal connects, and the negative pole end ground connection of the first described electrochemical capacitor, the power end of described driving chip passes through described electricity
Hold ground connection, the chip select terminal of described driving chip is grounded by described first resistor, described second resistance and described the
One resistor coupled in parallel connects, the output end of described the driving chip positive terminal with the first described diode and described electricity respectively
One end connection of sense, the other end of described inductance are electric with the other end of described 3rd resistor and the described second electrolysis respectively
The negative pole end connection of appearance, and its public connecting end is connected with the negative pole end of described LED illuminator.
A kind of 2. integrated photoconductive structure according to claim 1, it is characterised in that the model of described driving chip
SY58582。
3. a kind of integrated photoconductive structure according to claim 1 or 2, it is characterised in that described rectification circuit includes the
Two diodes, the 3rd diode, the 4th diode and the 5th diode, the positive terminal of the second described diode and described the
The negative pole end connection of three diodes, and its public connecting end is connected with one end of described fuse, described fuse it is another
One end is connected with outside lamp holder, and the positive terminal of the 3rd described diode is connected with the positive terminal of the 4th described diode, and
Its public connecting end is grounded, and the negative pole end of the 4th described diode is connected with the positive terminal of the 5th described diode, and its
Public connecting end is connected with outside lamp holder, and the negative pole end of the negative pole end of the second described diode and the 5th described diode connects
Connect, and its public connecting end is the output end of described rectification circuit.
4. a kind of integrated photoconductive structure according to claim 3, it is characterised in that described the first electrochemical capacitor, described
The second electrochemical capacitor, described electric capacity, described first resistor, described second resistance, described 3rd resistor, described
It is first diode, described inductance, described driving chip, the second described diode, the 3rd described diode, described
4th diode and the 5th described diode are affixed on the front of described metal pcb board using SMD paster techniques；It is described
LED illuminator be formed by connecting by plurality of LEDs particle serial or parallel connection or connection in series-parallel, the LED particle described in more using SMD paste
Blade technolgy is affixed on the front of described metal pcb board.
5. a kind of integrated photoconductive structure according to claim 4, it is characterised in that described drive circuit is arranged at institute
On the positive middle section for the metal pcb board stated；LED particle described in more is uniformly distributed in described metal pcb board
On positive neighboring area.
6. the LED illumination lamp of the integrated photoconductive structure described in a kind of usage right requirement 1, it is characterised in that including plastic lantern
Body, diffuser and described integrated photoconductive structure, use is provided with close to its top on the inwall of described plastics lamp body
In the metalwork fixed described integrated photoconductive structure and radiated for described integrated photoconductive structure, described integrated optical
Electric structure is fixed on described metalwork, and described diffuser is covered on described integrated photoconductive structure, and described
The cover mouth edge of diffuser is connected with the tip edge of described plastics lamp body.
A kind of 7. LED illumination lamp using integrated photoconductive structure according to claim 6, it is characterised in that described gold
Category part has a ring-shaped platform, and multiple lower screws, described integration are circumferentially uniformly offered on described ring-shaped platform
Described metal pcb board in photoconductive structure is in disk form, and multiple upper spiral shells are circumferentially uniformly offered on described metal pcb board
Hole, the back side of described metal pcb board are bonded with described ring-shaped platform down, and make described upper screw and described lower spiral shell
Hole corresponds, and by screw through described upper screw and described lower screw realize described metal pcb board with it is described
Metalwork be fixedly connected.
8. a kind of LED illumination lamp using integrated photoconductive structure according to claim 6 or 7, it is characterised in that described
Diffuser cover mouth edge and described plastics lamp body tip edge by snapping connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720285445.8U CN206802774U (en) | 2017-03-22 | 2017-03-22 | A kind of integrated photoconductive structure and the LED illumination lamp using the integrated photoconductive structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720285445.8U CN206802774U (en) | 2017-03-22 | 2017-03-22 | A kind of integrated photoconductive structure and the LED illumination lamp using the integrated photoconductive structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206802774U true CN206802774U (en) | 2017-12-26 |
Family
ID=60729761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720285445.8U Expired - Fee Related CN206802774U (en) | 2017-03-22 | 2017-03-22 | A kind of integrated photoconductive structure and the LED illumination lamp using the integrated photoconductive structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206802774U (en) |
-
2017
- 2017-03-22 CN CN201720285445.8U patent/CN206802774U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| 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: 20171226 |