CN107820344A - Emergent module - Google Patents
Emergent module Download PDFInfo
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- CN107820344A CN107820344A CN201711019878.XA CN201711019878A CN107820344A CN 107820344 A CN107820344 A CN 107820344A CN 201711019878 A CN201711019878 A CN 201711019878A CN 107820344 A CN107820344 A CN 107820344A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 101001128814 Pandinus imperator Pandinin-1 Proteins 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 4
- 101001024685 Pandinus imperator Pandinin-2 Proteins 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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Abstract
The invention provides a kind of emergent module, including constant pressure module, constant flow module, first comparator, the second comparator；Power supply unit sends high level to constant pressure module, the baseband signal of constant pressure module and the comparison signal of first comparator relatively and send the conversion of the conversion ratio of input voltage that electric signal control power supply unit provides and output voltage, the value of output voltage is reached the magnitude of voltage of pre-set constant；The comparison signal of the baseband signal of constant flow module and the second comparator is relatively and sending electric signal control input electric current makes input current constant；Constant output voltage enters constant flow module, and the input current of constant flow module is constant, so constant flow module input power is constant, i.e. constant flow module power output is constant.Can solve the problems, such as that LED module load is single using the technical program, make full use of limited resources, realize and save the energy.
Description
Technical field
The present invention relates to a kind of field of emergency lighting, in particular to a kind of emergent module.
Background technology
LED application is more and more extensive, is also just increasingly being popularized for daily indoor and outdoor lighting LED lamp.
In the circuit of LED lamp, although LED power consumption is little, require provided power supply required electric current, voltage in certain limit
Inside keep relative stability, while require there is certain excessively stream, overvoltage protection effect to LED.
Many electrical equipments are equipped with standby emergency power supply, so that when extraneous supply of electric power is lost, electricity consumption is set
It is standby to be remained in operation with non-firm power.All many-sides all need to use emergence lighting lamp in life, such as：Corridor stair, warehouse.
In the prior art, it is constant current output typically by such emergent module sets, output voltage range can be caused to be limited
System, then the load of access is also restricted therewith.If load number or connection in series-parallel connected mode change, it is necessary to weight
New power supply newly developed, this is easy for causing the wasting of resources, is unfavorable for environmental protection.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency of the prior art, there is provided a kind of emergent module, by setting work(
Rate is constant so that output voltage range is unrestricted, solves the problems, such as that LED module load is single, makes full use of limited resources, real
Now save the energy.
In order to solve the above-mentioned technical problem, the invention provides a kind of emergent module, including a constant pressure module, a constant current mould
Block, a first comparator, one second comparator；The constant pressure module be connected to a power supply unit and the first comparator it
Between；The constant flow module is connected between the constant pressure module and second comparator；
The power supply unit sends high level to the constant pressure module, the baseband signal of the constant pressure module and described the
The comparison signal of one comparator relatively and sends input voltage and output voltage that electric signal controls the power supply unit to provide
Conversion ratio conversion, the value of output voltage is reached the magnitude of voltage of pre-set constant；
The comparison signal of the baseband signal of the constant flow module and second comparator relatively and sends electric signal control
Input current makes input current constant；
One end of output voltage is output voltage terminal, and output voltage terminal connects the constant flow module, constant output voltage
Into the constant flow module, the input current of the constant flow module, power and power output are constant；
The constant flow module connects a charging device, and charging device connection load is defeated with the voltage adjustment according to needed for load
Go out voltage and electric current.
In a preferred embodiment, the first comparator connects output voltage terminal；When the size of output voltage occurs
Change, the voltage synchronous of the first comparator change；The comparison signal of the constant-voltage equipment is specially the first benchmark electricity
Pressure value, the comparison signal of the first comparator are specially the magnitude of voltage of the first comparator；The constant pressure module passes through base
The comparative result of quasi- voltage and the voltage of the first comparator sends the conversion of electric signal control input voltage and output voltage
The conversion of ratio.
In a preferred embodiment, the constant pressure module is specially the first chip U5；First chip U5 first port
The Pin3 connections power supply unit；First chip U5 second port Pin5 sends turn of control input voltage and output voltage
Change than electric signal；First chip U5 the 3rd port Pin2 is provided with the first reference voltage and connects the first comparator.
In a preferred embodiment, second port Pin5 is connected between the power supply unit and output voltage terminal；
Input voltage and changing for output voltage are compared into 1-D1, and D1 is the first chip U5 conducting dutycycle；Second port Pin5 is sent
Different duty signal changes the conversion of input voltage and output voltage ratio；The conversion formula of input voltage and output voltage is
VO=VIN/(1-D1)
Wherein, VOFor output voltage, VINFor input voltage.
In a preferred embodiment, a first switch is provided between second port Pin5 and output voltage terminal；Input
Voltage forms output voltage by the conversion of input voltage and output voltage than conversion；
If the value of output voltage reaches the value of predeterminated voltage, the first switch is opened, output voltage terminal output voltage；
If the value of output voltage is not reaching to preset voltage value, the first switch is closed, and output voltage terminal does not have voltage output.
In a preferred embodiment, the first comparator is specially the first comparison resistance R36；The first switch tool
Body is the first diode D9；
When output voltage is less than preset voltage value, the magnitude of voltage on the first comparison resistance R36 is less than the first reference voltage value,
First diode D9 is not turned on, and output voltage terminal does not have voltage output；Second port Pin5 outputs conducting dutycycle D1 is increased to
Certain value, output voltage is set to reach preset voltage value by conversion formula；
When output voltage is equal to preset voltage value, the first comparison resistance R36 magnitude of voltage is equal to the first reference voltage value, the
One diode D9 is turned on, output voltage terminal output preset voltage value；
When output voltage is higher than preset voltage value, the magnitude of voltage in the first comparison voltage is more than the first reference voltage value, and
Two-port netwerk Pin5 outputs conducting dutycycle D is reduced to certain value, output voltage is reached preset voltage value by conversion formula.
In a preferred embodiment, the constant flow module is the second chip U6；Input current flows into input current end；The
Two chip U6 the 4th port Pin1 connection output voltage terminals and input current end and transmission duty cycle signals control input electric current
Size；Between the second comparator connection output voltage terminal and input current end；The baseband signal of the constant flow module is specific
For the second reference voltage value；Second chip U6 fifth port Pin6 be provided with the second reference voltage and with second comparator
Connection.
In a preferred embodiment, second comparator is the parallel resistance that two resistance R37, R38 are composed in parallel
Comparison means；Output voltage terminal inputs preset voltage value to the second chip U6, and input current flows into parallel resistance comparison means, and two
The comparison information that voltage difference is the second comparator is formed between individual resistance R37, R38 in parallel, is made with the second reference voltage value
Compare；
It is less than the second reference voltage value, the 4th port Pin1 when forming voltage difference between two resistance R37, R38 in parallel
The duty cycle signals D2 of transmission is increased to certain value, input current is reached pre-set current value；
It is more than the second reference voltage value, the 4th port Pin1 when forming voltage difference between two resistance R37, R38 in parallel
The duty cycle signals D2 of transmission is reduced to certain value, input current is reached pre-set current value.
In a preferred embodiment, in addition to an overvoltage protective module；The overvoltage protective module is opened including one second
Close, one the 3rd switch；The second switch is connected between input current end and the 3rd switch, the 3rd switch connection
Between the second switch and the second chip U6 the 6th port Pin4；When output voltage is too high, the second switch
Open, the 3rd switch is opened, and the 6th port Pin4 level signal is pulled low, and output voltage reduces.
In a preferred embodiment, the second switch is voltage-regulator diode ZD1, and the 3rd switch is triode
Q7；The negative pole connection input current end of the voltage-regulator diode ZD1, positive pole connecting triode Q7 base stage；Triode Q7 collection
Electrode connects the 6th port Pin4；When output voltage is too high, the breakdown conductings of voltage-regulator diode ZD1, triode Q7 base stages
High level signal conducting is received, the 6th port Pin4 level signals are pulled low, and the 4th port Pin1 stops output duty cycle signal
D2, reduce output voltage.
Compared to prior art, technical scheme possesses following beneficial effect：
Present design ensures the constant of input power by setting the constant of voltage and electric current, and due to same core
The efficiency of piece is constant, that is, is determined that power output is constant.In emergent module in actual use, if adjustment load number or
Adjust the connection in series-parallel connected mode of load, then the output voltage of emergent module just changes, emergent mould provided by the invention
Group can adjust output voltage by voltage according to needed for load, and electric current is adjusted therewith, is applicable various different situations.Realize an electricity
Source module is applicable polymorphic type load, is sufficiently used limited resource, realizes energy-conservation and resource rational utilization.Overvoltage is set to protect
Module is protected, guarantee does not damage circuit because output voltage is excessive.
Brief description of the drawings
Fig. 1 is constant pressure portion circuit theory diagrams in the preferred embodiment of the present invention；
Fig. 2 is constant current partial circuit schematic diagram in the preferred embodiment of the present invention；
Fig. 3 is product appearance schematic diagram in the preferred embodiment of the present invention.
Constant pressure module 1, first comparator 2, first switch 3, constant flow module 4, the second comparator 5, second switch the 6, the 3rd
Switch 7, diffuser 8, main body 9, light emitting module 10, emergent module 11.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
A kind of emergent module, including a constant pressure module, a constant flow module, a first comparator, one second comparator；It is described
Constant pressure module is connected between a power supply unit and the first comparator；The constant flow module is connected to the constant pressure module
Between second comparator；
The power supply unit sends high level to the constant pressure module, the baseband signal of the constant pressure module and described the
The comparison signal of one comparator relatively and sends input voltage and output voltage that electric signal controls the power supply unit to provide
Conversion ratio conversion, the value of output voltage is reached the magnitude of voltage of pre-set constant；
The comparison signal of the baseband signal of the constant flow module and second comparator relatively and sends electric signal control
Input current makes input current constant；
One end of output voltage is output voltage terminal, and output voltage terminal connects the constant flow module, constant output voltage
Into the constant flow module, the input current of the constant flow module, power and power output are constant；
The constant flow module connects a charging device, and charging device connection load is defeated with the voltage adjustment according to needed for load
Go out voltage and electric current.
The first comparator connects output voltage terminal；When the size of output voltage changes, the first comparator
Voltage synchronous change；The comparison signal of the constant-voltage equipment is specially the first reference voltage value, the first comparator
Comparison signal be specially the first comparator magnitude of voltage；The constant pressure module is by reference voltage compared with described first
The comparative result of the voltage of device sends the conversion of the conversion ratio of electric signal control input voltage and output voltage.
With reference to figure 1 and Fig. 3, the constant pressure module 1 is specially the first chip U5；First chip U5 first port Pin3 connects
Connect the power supply unit；First chip U5 second port Pin5 sends the conversion ratio of control input voltage and output voltage
Electric signal；First chip U5 the 3rd port Pin2 is provided with the first reference voltage and connects the first comparator 2.
Second port Pin5 is connected between the power supply unit and output voltage terminal；Input voltage and output voltage
Ratio is changed as 1-D1, D1 is the first chip U5 conducting dutycycle；Second port Pin5 sends different duty signal to change
The conversion ratio of input voltage and output voltage；The conversion formula of input voltage and output voltage is
VO=VIN/(1-D1)
Wherein, VOFor output voltage, VINFor input voltage.
A first switch 3 is provided between second port Pin5 and output voltage terminal；Input voltage by input voltage with
The conversion of output voltage forms output voltage than conversion；
If the value of output voltage reaches the value of predeterminated voltage, the first switch 3 is opened, output voltage terminal output electricity
Pressure；If the value of output voltage is not reaching to preset voltage value, the first switch 3 is closed, and output voltage terminal does not have voltage defeated
Go out.
The first comparator 2 is specially the first comparison resistance R36；The first switch 3 is specially the first diode D9；
When output voltage is less than preset voltage value, the magnitude of voltage on the first comparison resistance R36 is less than the first reference voltage value,
First diode D9 is not turned on, and output voltage terminal does not have voltage output；Second port Pin5 outputs conducting dutycycle D1 is increased to
Certain value, output voltage is set to reach preset voltage value by conversion formula；
When output voltage is equal to preset voltage value, the first comparison resistance R36 magnitude of voltage is equal to the first reference voltage value, the
One diode D9 is turned on, output voltage terminal output preset voltage value；
When output voltage is higher than preset voltage value, the magnitude of voltage in the first comparison voltage is more than the first reference voltage value, and
Two-port netwerk Pin5 output conducting dutycycle D be reduced to certain value, make output voltage by conversion formula reach preset voltage value i.e.+
6V is simultaneously powered by output voltage terminal to constant flow module.
With reference to figure 2, the constant flow module 4 is the second chip U6；Input current flows into input current end；Second chip U6's
4th port Pin1 connection output voltage terminals and input current end and transmission duty cycle signals control input size of current；Described
Two comparators 5 are connected between output voltage terminal and input current end；The baseband signal of the constant flow module 4 is specially the second benchmark
Magnitude of voltage；Second chip U6 fifth port Pin6 is provided with the second reference voltage and is connected with second comparator.
Second comparator 5 is the parallel resistance comparison means that two resistance R37, R38 are composed in parallel；Output voltage terminal
Input preset voltage value to the second chip U6, input current and flow into parallel resistance comparison means, two resistance R37, R38 in parallel
Between formed voltage difference be the second comparator 5 comparison information, made comparisons with the second reference voltage value；
It is less than the second reference voltage value, the 4th port Pin1 when forming voltage difference between two resistance R37, R38 in parallel
The duty cycle signals D2 of transmission is increased to certain value, input current is reached pre-set current value；
It is more than the second reference voltage value, the 4th port Pin1 when forming voltage difference between two resistance R37, R38 in parallel
The duty cycle signals D2 of transmission is reduced to certain value, input current is reached pre-set current value.
Output voltage terminal exports constant voltage to the second chip U6, and constant current is inputted to the second chip, therefore input work
Rate is constant；Again because the efficiency of same chip is identical, power output is constant.When the 4th port Pin1 sends high level signal
When, inductance L3 starts energy storage；When the 4th port Pin1 sends low level signal, inductance L3 starts to discharge.So after energy storage
Inductance L3 can just meet within the specific limits load the needs of, emergent module 11 provided by the invention can provide voltage range+
Voltage in 6V to+55V.Realize that a power supply module is applicable polymorphic type load, be sufficiently used limited resource, realize section
Energy and resource rational utilization.
In order to which protection circuit is not damaged because voltage is much, emergent module 11 provided by the invention also includes an overvoltage protection
Module；The overvoltage protective module includes the switch of second switch the 6, the 3rd 7；The second switch 6 be connected to input current end with
Between 3rd switch 7, the 3rd switch 7 is connected to the second switch 6 and the second chip U6 the 6th port
Between Pin4；When output voltage is too high, the second switch 6 is opened, and the 3rd switch 7 is opened, the 6th port Pin4 electricity
Ordinary mail number is pulled low, and output voltage reduces.
The second switch 6 is specially voltage-regulator diode ZD1, and the 3rd switch 7 is triode Q7；The pole of voltage stabilizing two
Pipe ZD1 negative pole connection input current end, positive pole connecting triode Q7 base stage；Triode Q7 colelctor electrode connects the 6th port
Pin4；When output voltage is too high, the breakdown conductings of voltage-regulator diode ZD1, triode Q7 base stages receive high level signal and led
Logical, the 6th port Pin4 level signals are pulled low, and the 4th port Pin1 stops output duty cycle signal D2, makes output voltage drop
It is low.
With reference to figure 3, the preferred embodiment of module 11 of meeting an urgent need, the schematic appearance of structural product is formed, is that the one of light fixture is real
Apply the exploded isometric schematic diagram of example.Light fixture includes diffuser 8, main body 9, light emitting module 10 and emergent module 11, diffuser 8 and master
Body 9 is bonded to each other, and the light emitting module 10 is electrically connected to each other and is arranged in main body 9 with the emergent module 11.
The foregoing is only a preferred embodiment of the present invention, but the present invention design concept be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, using this design to the present invention carry out it is non-
Substantial change, belong to invade the behavior of the scope of the present invention.
Claims (10)
1. a kind of emergent module, it is characterised in that including a constant pressure module, a constant flow module, a first comparator, one second ratio
Compared with device；The constant pressure module is connected between a power supply unit and the first comparator；The constant flow module is connected to institute
State between constant pressure module and second comparator；
The power supply unit sends high level to the constant pressure module, the baseband signal of the constant pressure module and the described first ratio
Comparison signal compared with device relatively and sends electric signal and controls turning for input voltage that the power supply unit provides and output voltage
Change than conversion, the value of output voltage is reached the magnitude of voltage of pre-set constant；
The comparison signal of the baseband signal of the constant flow module and second comparator relatively and sends electric signal control input
Electric current makes input current constant；
One end of output voltage is output voltage terminal, and output voltage terminal connects the constant flow module, and constant output voltage enters
The constant flow module, the input current of the constant flow module, power and power output are constant；
The constant flow module connects a charging device, charging device connection load, with the voltage adjustment output electricity according to needed for load
Pressure and electric current.
2. emergent module according to claim 1, it is characterised in that the first comparator connects output voltage terminal；When
The size of output voltage changes, and the voltage synchronous of the first comparator changes；The comparison letter of the constant-voltage equipment
Number be specially the first reference voltage value, the comparison signal of the first comparator is specially the magnitude of voltage of the first comparator；
The constant pressure module sends electric signal control input electricity by the comparative result of reference voltage and the voltage of the first comparator
Pressure and the conversion of the conversion ratio of output voltage.
3. emergent module according to claim 2, it is characterised in that the constant pressure module is specially the first chip U5；The
The one chip U5 first port Pin3 connections power supply unit；First chip U5 second port Pin5 sends control input
The electric signal of the conversion ratio of voltage and output voltage；First chip U5 the 3rd port Pin2 is provided with the first reference voltage and connected
The first comparator.
4. emergent module according to claim 3, it is characterised in that second port Pin5 is connected to the power supply unit
Between output voltage terminal；Input voltage and changing for output voltage are compared into 1-D1, and D1 is the first chip U5 conducting dutycycle；
Second port Pin5 sends different duty signal to change the conversion of input voltage and output voltage ratio；Input voltage and output
The conversion formula of voltage is
VO=VIN/(1-D1)
Wherein, VOFor output voltage, VINFor input voltage.
5. emergent module according to claim 4, it is characterised in that set between second port Pin5 and output voltage terminal
There is a first switch；Input voltage forms output voltage by the conversion of input voltage and output voltage than conversion；
If the value of output voltage reaches the value of predeterminated voltage, the first switch is opened, output voltage terminal output voltage；It is if defeated
The value for going out voltage is not reaching to preset voltage value, then the first switch is closed, and output voltage terminal does not have voltage output.
6. emergent module according to claim 5, it is characterised in that the first comparator is specially the first comparison resistance
R36；The first switch is specially the first diode D9；
When output voltage is less than preset voltage value, the magnitude of voltage on the first comparison resistance R36 is less than the first reference voltage value, and first
Diode D9 is not turned on, and output voltage terminal does not have voltage output；Second port Pin5 outputs conducting dutycycle D1 is increased to necessarily
Value, makes output voltage reach preset voltage value by conversion formula；
When output voltage is equal to preset voltage value, the first comparison resistance R36 magnitude of voltage is equal to the first reference voltage value, and the one or two
Pole pipe D9 is turned on, output voltage terminal output preset voltage value；
When output voltage is higher than preset voltage value, the magnitude of voltage in the first comparison voltage is more than the first reference voltage value, the second end
Mouth Pin5 outputs conducting dutycycle D is reduced to certain value, output voltage is reached preset voltage value by conversion formula.
7. emergent module according to claim 1, it is characterised in that the constant flow module is the second chip U6；Input electricity
Stream flows into input current end；Second chip U6 the 4th port Pin1 connection output voltage terminals and input current end and transmission duty
Than signal control input size of current；Between the second comparator connection output voltage terminal and input current end；The constant current
The baseband signal of module is specially the second reference voltage value；Second chip U6 fifth port Pin6 is provided with the second reference voltage
And it is connected with second comparator.
8. emergent module according to claim 7, it is characterised in that second comparator is two resistance R37, R38
The parallel resistance comparison means composed in parallel；Output voltage terminal inputs preset voltage value to the second chip U6, input current and flowed into
Parallel resistance comparison means, the comparison information that voltage difference is the second comparator is formed between two resistance R37, R38 in parallel,
Made comparisons with the second reference voltage value；
It is less than the second reference voltage value when forming voltage difference between two resistance R37, R38 in parallel, the 4th port Pin1 is sent
Duty cycle signals D2 be increased to certain value, input current is reached pre-set current value；
It is more than the second reference voltage value when forming voltage difference between two resistance R37, R38 in parallel, the 4th port Pin1 is sent
Duty cycle signals D2 be reduced to certain value, input current is reached pre-set current value.
9. emergent module according to claim 1, it is characterised in that also including an overvoltage protective module；The overvoltage protection
Module includes a second switch, one the 3rd switch；The second switch is connected between input current end and the 3rd switch,
3rd switch is connected between the second switch and the second chip U6 the 6th port Pin4；When output voltage mistake
Height, the second switch are opened, and the 3rd switch is opened, and the 6th port Pin4 level signal is pulled low, output voltage drop
It is low.
10. emergent module according to claim 8 or claim 9, it is characterised in that the second switch is voltage-regulator diode ZD1,
3rd switch is triode Q7；The negative pole connection input current end of the voltage-regulator diode ZD1, positive pole connecting triode Q7
Base stage；Triode Q7 colelctor electrode connects the 6th port Pin4；When output voltage is too high, the voltage-regulator diode ZD1 is hit
Perforating is logical, and triode Q7 base stages receive high level signal conducting, and the 6th port Pin4 level signals are pulled low, the 4th port Pin1
Stop output duty cycle signal D2, reduce output voltage.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711019878.XA CN107820344B (en) | 2017-10-27 | 2017-10-27 | Emergency module |
| DE202018100405.0U DE202018100405U1 (en) | 2017-10-27 | 2018-01-24 | emergency module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711019878.XA CN107820344B (en) | 2017-10-27 | 2017-10-27 | Emergency module |
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| Publication Number | Publication Date |
|---|---|
| CN107820344A true CN107820344A (en) | 2018-03-20 |
| CN107820344B CN107820344B (en) | 2024-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711019878.XA Active CN107820344B (en) | 2017-10-27 | 2017-10-27 | Emergency module |
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| Country | Link |
|---|---|
| CN (1) | CN107820344B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57196623A (en) * | 1981-05-28 | 1982-12-02 | Toshiba Corp | Output controlling circuit |
| CN102186289A (en) * | 2011-04-18 | 2011-09-14 | 广东科立盈光电技术有限公司 | LED (Light Emitting Diode) driving power supply |
| US20120126713A1 (en) * | 2010-11-24 | 2012-05-24 | Mamoru Horino | Led driving apparatus |
| CN102791055A (en) * | 2011-05-18 | 2012-11-21 | 西安阿普莱特光电科技有限公司 | Constant light of switch power supply maintaining lamp and with power feedback |
| CN103096560A (en) * | 2011-10-31 | 2013-05-08 | 英飞特电子（杭州）股份有限公司 | Light-emitted diode (LED) actuator |
| CN105592590A (en) * | 2016-01-05 | 2016-05-18 | 茂硕电源科技股份有限公司 | Constant-power LED driving power supply circuit system |
| CN106787749A (en) * | 2016-12-15 | 2017-05-31 | 广州市花都区广尔中电子厂 | A kind of constant pressure and flow Switching Power Supply |
| CN106851922A (en) * | 2017-03-27 | 2017-06-13 | 深圳市明微电子股份有限公司 | A kind of linear Constant-power LED drive circuit, chip and constant-current LED control system |
| CN207491249U (en) * | 2017-10-27 | 2018-06-12 | 厦门阳光恩耐照明有限公司 | Emergent module |
-
2017
- 2017-10-27 CN CN201711019878.XA patent/CN107820344B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57196623A (en) * | 1981-05-28 | 1982-12-02 | Toshiba Corp | Output controlling circuit |
| US20120126713A1 (en) * | 2010-11-24 | 2012-05-24 | Mamoru Horino | Led driving apparatus |
| CN102186289A (en) * | 2011-04-18 | 2011-09-14 | 广东科立盈光电技术有限公司 | LED (Light Emitting Diode) driving power supply |
| CN102791055A (en) * | 2011-05-18 | 2012-11-21 | 西安阿普莱特光电科技有限公司 | Constant light of switch power supply maintaining lamp and with power feedback |
| CN103096560A (en) * | 2011-10-31 | 2013-05-08 | 英飞特电子（杭州）股份有限公司 | Light-emitted diode (LED) actuator |
| CN105592590A (en) * | 2016-01-05 | 2016-05-18 | 茂硕电源科技股份有限公司 | Constant-power LED driving power supply circuit system |
| CN106787749A (en) * | 2016-12-15 | 2017-05-31 | 广州市花都区广尔中电子厂 | A kind of constant pressure and flow Switching Power Supply |
| CN106851922A (en) * | 2017-03-27 | 2017-06-13 | 深圳市明微电子股份有限公司 | A kind of linear Constant-power LED drive circuit, chip and constant-current LED control system |
| CN207491249U (en) * | 2017-10-27 | 2018-06-12 | 厦门阳光恩耐照明有限公司 | Emergent module |
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| Publication number | Publication date |
|---|---|
| CN107820344B (en) | 2024-04-23 |
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