CN207491249U - Emergent module - Google Patents
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- CN207491249U CN207491249U CN201721398447.4U CN201721398447U CN207491249U CN 207491249 U CN207491249 U CN 207491249U CN 201721398447 U CN201721398447 U CN 201721398447U CN 207491249 U CN207491249 U CN 207491249U
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Abstract
The utility model 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 out input voltage that electric signal control power supply unit provides and output voltage conversion ratio transformation, the value of output voltage is made to reach the voltage value of pre-set constant；The comparison signal of the baseband signal of constant flow module and the second comparator is relatively and sending out electric signal control input 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 output power is constant.It can solve the problems, such as that LED module load is single using the technical program, make full use of limited resources, realize energy saving.
Description
Technical field
Field, in particular to a kind of emergent module the utility model is related to a kind of emergency lighting.
Background technology
The application of LED is more and more extensive, also just more and more universal for daily indoor and outdoor lighting LED lamp.
In the circuit of LED lamp, although the power consumption of LED is little, the provided power supply of requirement required electric current, voltage are in a certain range
It inside keeps relative stability, while requirement has LED certain overcurrent, overvoltage protection effect.
Many electrical equipments are equipped with spare 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 various aspects all need to use emergence lighting lamp in life, such as：Corridor stair, warehouse.
In the prior art, it is constant current output generally 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 connection 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.
Utility model content
The purpose of the utility model is to overcome above-mentioned deficiencies of the prior art, a kind of emergent module are provided, by setting
It puts power invariability and so that output voltage range is unrestricted, solve the problems, such as that LED module load is single, make full use of limited money
Source is realized energy saving.
In order to solve the above-mentioned technical problem, the utility model provides a kind of emergent module, including a constant pressure module, a perseverance
Flow module, a first comparator, one second comparator；The constant pressure module is connected to a power supply unit and described first and compares
Between device；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 out input voltage and output voltage that electric signal controls the power supply unit to provide
Conversion ratio transformation, the value of output voltage is made to reach the voltage value of pre-set constant；
The comparison signal of the baseband signal of the constant flow module and second comparator relatively and sends out 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 output power are constant；
The constant flow module connects a charging unit, and charging unit 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
Variation, the voltage synchronous of the first comparator change；The comparison signal of the constant pressure module is specially the first benchmark electricity
Pressure value, the comparison signal of the first comparator are specially the voltage value of the first comparator；The constant pressure module passes through base
The comparison result of quasi- voltage and the voltage of the first comparator sends the conversion of electric signal control input voltage and output voltage
The transformation of ratio.
In a preferred embodiment, the constant pressure module is specially the first chip U5；The first port of first chip U5
The Pin3 connections power supply unit；The second port Pin5 of first chip U5 sends turn of control input voltage and output voltage
Change than electric signal；The third port Pin2 of first chip U5 is equipped 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 converting for output voltage are compared into 1-D1, and D1 is the conducting dutycycle of the first chip U5；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 does not reach 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 voltage value 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 makes output voltage pass through conversion formula and reaches preset voltage value；
When output voltage is equal to preset voltage value, the voltage value of the first comparison resistance R36 is equal to the first reference voltage value, the
One diode D9 is connected, output voltage terminal output preset voltage value；
When output voltage is higher than preset voltage value, the voltage value in the first comparison voltage is more than the first reference voltage value, the
Two-port netwerk Pin5 outputs conducting dutycycle D is reduced to certain value, and output voltage is made to pass through conversion formula and reaches preset voltage value.
In a preferred embodiment, the constant flow module is the second chip U6；Input current flows into input current end；The
The 4th port Pin1 connection output voltage terminals of two chip U6 and input current end and transmission duty cycle signals control input 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；The fifth port Pin6 of second chip U6 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 resistance R37, R38 of a parallel connection, 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, and input current is made to reach 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, and input current is made to reach pre-set current value.
In a preferred embodiment, an overvoltage protective module is further included；The overvoltage protective module is opened including one second
It closes, third switch；The second switch is connected between input current end and third switch, the third switch connection
Between the 6th port Pin4 of the second switch and the second chip U6；When output voltage is excessively high, the second switch
It opens, the third switch is opened, and the level signal of the 6th port Pin4 is pulled low, and output voltage reduces.
In a preferred embodiment, the second switch is zener diode ZD1, and the third switch is triode
Q7；The cathode connection input current end of the zener diode ZD1, the base stage of anode connecting triode Q7；The collection of triode Q7
Electrode connects the 6th port Pin4；When output voltage is excessively high, the breakdown conductings of zener 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 reduces output voltage.
Compared to the prior art, the technical solution of the utility model has following advantageous effect：
Present design ensures the constant of input power, and due to same core by setting the constant of voltage and electric current
The efficiency of piece is constant, that is, is determined that output power is constant.In emergent module in actual use, if adjustment load number or
Adjust the connection in series-parallel connection mode of load, then the output voltage of emergent module just changes, provided by the utility model to answer
Anxious module can adjust output voltage by voltage according to needed for load, and electric current is adjusted therewith, is applicable in various different situations.Realize one
A power supply module is applicable in polymorphic type load, is sufficiently used limited resource, realizes energy saving and resource rational utilization.It set
Protection module is pressed, guarantee does not damage circuit due to output voltage is excessive.
Description of the drawings
Fig. 1 is constant pressure portion circuit diagram in the preferred embodiment in the utility model；
Fig. 2 is constant current partial circuit schematic diagram in the preferred embodiment in the utility model；
Fig. 3 is product appearance schematic diagram in the preferred embodiment in the utility model.
Constant pressure module 1, first comparator 2, first switch 3, constant flow module 4, the second comparator 5, second switch 6, third
Switch 7, diffuser 8, main body 9, light emitting module 10, emergent module 11.
Specific embodiment
The utility model is described further below in conjunction with the drawings and specific embodiments.
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 out input voltage and output voltage that electric signal controls the power supply unit to provide
Conversion ratio transformation, the value of output voltage is made to reach the voltage value of pre-set constant；
The comparison signal of the baseband signal of the constant flow module and second comparator relatively and sends out 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 output power are constant；
The constant flow module connects a charging unit, and charging unit 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 voltage value；The constant pressure module is by reference voltage compared with described first
The comparison result of the voltage of device sends the transformation 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；The first port Pin3 of first chip U5 connects
Connect the power supply unit；The second port Pin5 of first chip U5 sends the conversion ratio of control input voltage and output voltage
Electric signal；The third port Pin2 of first chip U5 is equipped 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 converted as 1-D1, D1 is the conducting dutycycle of the first chip U5；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 does not reach preset voltage value, the first switch 3 is closed, and output voltage terminal does not have the 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 voltage value 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 makes output voltage pass through conversion formula and reaches preset voltage value；
When output voltage is equal to preset voltage value, the voltage value of the first comparison resistance R36 is equal to the first reference voltage value, the
One diode D9 is connected, output voltage terminal output preset voltage value；
When output voltage is higher than preset voltage value, the voltage value in the first comparison voltage is more than the first reference voltage value, the
Two-port netwerk Pin5 output conducting dutycycle D be reduced to certain value, make output voltage pass through conversion formula reach preset voltage value i.e.+
6V and pass through output voltage terminal give constant flow module power supply.
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 current size；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
Voltage value；The fifth port Pin6 of second chip U6 is provided with the second reference voltage and is connect with second comparator.
Second comparator 5 is the parallel resistance comparison means that two resistance R37, R38 are composed in parallel；Output voltage terminal
Preset voltage value is inputted to the second chip U6, input current flows into parallel resistance comparison means, two resistance R37, R38 in parallel
Between formed voltage difference be the second comparator 5 comparison information, make 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, and input current is made to reach 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, and input current is made to reach pre-set current value.
Output voltage terminal exports constant voltage to the second chip U6, and constant current is input to the second chip, therefore input work
Rate is constant；Again because the efficiency of same chip is identical, output power is constant.When the 4th port Pin1 sends out high level signal
When, inductance L3 starts energy storage；When the 4th port Pin1 sends out low level signal, inductance L3 starts to discharge.In this way after energy storage
Inductance L3 can just meet the needs of load in a certain range, and emergent module 11 provided by the utility model is capable of providing voltage model
Enclose the voltage in+6V to+55V.It realizes that a power supply module is applicable in polymorphic type load, is sufficiently used limited resource, it is real
Existing energy saving and resource rational utilization.
In order to which circuit is protected not damaged due to voltage is much, emergent module 11 provided by the utility model further includes an overvoltage
Protection module；The overvoltage protective module includes second switch 6, third switch 7；The second switch 6 is connected to input current
Between end and third switch 7, the third switch 7 is connected to the 6th of the second switch 6 and the second chip U6
Between the Pin4 of port；When output voltage is excessively high, the second switch 6 is opened, and the third switch 7 is opened, the 6th port Pin4
Level signal be pulled low, output voltage reduce.
The second switch 6 is specially zener diode ZD1, and the third switch 7 is triode Q7；Two pole of voltage stabilizing
The cathode connection input current end of pipe ZD1, the base stage of anode connecting triode Q7；The collector of triode Q7 connects the 6th port
Pin4；When output voltage is excessively high, the breakdown conductings of zener diode ZD1, triode Q7 base stages receive high level signal and lead
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 3,11 preferred embodiment of module of meeting an urgent need forms the appearance diagram of structural product, is that the one of lamps and lanterns is real
Apply the exploded isometric schematic diagram of example.Lamps and lanterns include diffuser 8, main body 9, light emitting module 10 and emergent module 11, diffuser 8 with
Main body 9 is bonded to each other, and the light emitting module 10 is electrically connected to each other and is set in main body 9 with the emergent module 11.
The preferable specific embodiment of the above, only the utility model, but the design concept of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, utilizes this design
The change of unsubstantiality is carried out to the utility model, belongs to invade the behavior of scope of protection of the utility model.
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
It states 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 out electric signal and controls turning for input voltage that the power supply unit provides and output voltage
Change than transformation, the value of output voltage is made to reach the voltage value of pre-set constant；
The comparison signal of the baseband signal of the constant flow module and second comparator relatively and sends out electric signal control and inputs
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 output power are constant；
The constant flow module connects a charging unit, charging unit connection load, with the voltage adjustment output electricity according to needed for load
Pressure and electric current.
2. emergent module according to claim 1, which is characterized 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 pressure module
Number be specially the first reference voltage value, the comparison signal of the first comparator is specially the voltage value of the first comparator；
The constant pressure module sends electric signal control input electricity by the comparison result of reference voltage and the voltage of the first comparator
Pressure and the transformation of the conversion ratio of output voltage.
3. emergent module according to claim 2, which is characterized in that the constant pressure module is specially the first chip U5；The
The first port Pin3 connections power supply unit of one chip U5；The second port Pin5 of first chip U5 sends control input
The electric signal of the conversion ratio of voltage and output voltage；The third port Pin2 of first chip U5 is equipped with the first reference voltage and connects
The first comparator.
4. emergent module according to claim 3, which is characterized in that second port Pin5 is connected to the power supply unit
Between output voltage terminal；Input voltage and converting for output voltage are compared into 1-D1, and D1 is the conducting dutycycle of the first chip U5；
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, which is characterized 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 does not reach 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, which is characterized 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 voltage value 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 centainly
Value, makes output voltage pass through conversion formula and reaches preset voltage value；
When output voltage is equal to preset voltage value, the voltage value of the first comparison resistance R36 is equal to the first reference voltage value, and the one or two
Pole pipe D9 is connected, output voltage terminal output preset voltage value；
When output voltage is higher than preset voltage value, the voltage value in the first comparison voltage is more than the first reference voltage value, second end
Mouth Pin5 outputs conducting dutycycle D is reduced to certain value, and output voltage is made to pass through conversion formula and reaches preset voltage value.
7. emergent module according to claim 1, which is characterized in that the constant flow module is the second chip U6；Input electricity
Stream flows into input current end；The 4th port Pin1 connection output voltage terminals of second chip U6 and input current end and transmission duty
Input current size is controlled than signal；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；The fifth port Pin6 of second chip U6 is provided with the second reference voltage
And it is connect with second comparator.
8. emergent module according to claim 7, which is characterized 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, and input current flows into
Parallel resistance comparison means forms the comparison information that voltage difference is the second comparator between two resistance R37, R38 in parallel,
It makes 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 made to reach 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 made to reach pre-set current value.
9. emergent module according to claim 8, it is characterised in that further include an overvoltage protective module；The overvoltage protection
Module includes a second switch, a third switchs；The second switch is connected between input current end and third switch,
The third switch is connected between the 6th port Pin4 of the second switch and the second chip U6；When output voltage mistake
Height, the second switch are opened, and the third switch is opened, and the level signal of the 6th port Pin4 is pulled low, output voltage drop
It is low.
10. emergent module according to claim 9, it is characterised in that the second switch is zener diode ZD1, described
Third switch is triode Q7；The cathode connection input current end of the zener diode ZD1, the base of anode connecting triode Q7
Pole；The collector of triode Q7 connects the 6th port Pin4；When output voltage is excessively high, the zener diode ZD1 is breakdown to be led
Logical, triode Q7 base stages receive high level signal conducting, and the 6th port Pin4 level signals are pulled low, and the 4th port Pin1 stops
Output duty cycle signal D2, reduces output voltage.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721398447.4U CN207491249U (en) | 2017-10-27 | 2017-10-27 | Emergent module |
| DE202018100405.0U DE202018100405U1 (en) | 2017-10-27 | 2018-01-24 | emergency module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721398447.4U CN207491249U (en) | 2017-10-27 | 2017-10-27 | Emergent module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207491249U true CN207491249U (en) | 2018-06-12 |
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ID=62477696
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721398447.4U Active CN207491249U (en) | 2017-10-27 | 2017-10-27 | Emergent module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820344A (en) * | 2017-10-27 | 2018-03-20 | 厦门阳光恩耐照明有限公司 | Emergent module |
-
2017
- 2017-10-27 CN CN201721398447.4U patent/CN207491249U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820344A (en) * | 2017-10-27 | 2018-03-20 | 厦门阳光恩耐照明有限公司 | Emergent module |
| CN107820344B (en) * | 2017-10-27 | 2024-04-23 | 厦门阳光恩耐照明有限公司 | Emergency module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190403 Address after: 7th Floor, 88 Houxiang Road, Haicang District, Xiamen City, Fujian Province, 361000 Patentee after: Xiamen Sunshine Commercial Lighting Co., Ltd. Address before: No. 88 Houxiang Road, Xinyang Industrial Park, Haicang District, Xiamen City, Fujian Province, 361000 Patentee before: Xiamen Yankon Energetic Lighting Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190826 Address after: Xinyang Industrial Park Haicang District of Xiamen City, Fujian province 361000 after Cheung Road No. 88 Patentee after: Xiamen Yankon Energetic Lighting Co., Ltd. Address before: 7th Floor, 88 Houxiang Road, Haicang District, Xiamen City, Fujian Province, 361000 Patentee before: Xiamen Sunshine Commercial Lighting Co., Ltd. |