CN209643022U - Emergency light power control circuit, emergency power supply and the emergency light of adjustable luminosity - Google Patents
Emergency light power control circuit, emergency power supply and the emergency light of adjustable luminosity Download PDFInfo
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- CN209643022U CN209643022U CN201821659788.7U CN201821659788U CN209643022U CN 209643022 U CN209643022 U CN 209643022U CN 201821659788 U CN201821659788 U CN 201821659788U CN 209643022 U CN209643022 U CN 209643022U
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Abstract
The utility model discloses the emergency lamp control circuits of adjustable luminosity, emergency power supply and emergency light, the emergency light power control circuit of adjustable luminosity is equipped in the emergency power supply set in emergency light, the circuit includes power conversion unit, charhing unit, battery pack, boost boosting unit, pressure regulation unit and toggle switch, power conversion unit is used to AC power source being converted to DC power supply, the input terminal of power conversion unit is connected with charhing unit, charhing unit, battery pack is successively connect with boost boosting unit, the toggle switch of pressure regulation unit is connect with its bleeder circuit and pulse width modulator, toggle switch realizes that different on states exports different input piezoelectric voltages in different dial-up states by different dial-up shutdown combination control bleeder circuits, and feedback voltage is fed back to pulsewidth modulation by toggle switch Device, pulse width modulator issue the pulse signal of duty ratio corresponding according to the feedback voltage, realize that boost boosting unit carries out different boostings, regulate and control LED light emission luminance.
Description
Technical field
The utility model relates to a kind of emergency light power supply of emergency light field more particularly to adjustable luminosity control electricity
Road, emergency power supply and emergency light.
Background technique
Emergency lighting is widely used in residential building, the building such as office building and workshop, and in great demand.In use process
In, require emergency lighting to be in close state under normal circumstances in building conventional electron, i.e., emergency light does not work；Only when normal
When advising power supply system failure, emergency light just can be bright.And emergency lighting is broadly divided into operating illumination and escape illumination, work
The brightness for making lighting requirement is high, consistent with preceding brightness is powered off as far as possible, does not influence the progress of work, and life-saving emergency illumination is to brightness
Without too high request, the time, the longer the better, for example earthquake, fire occurs etc., lighting hours is longer more personnel safety escape
Benefit, but for Emergency Lighting Supply, since the energy content of battery is limited, brightness is high, then the time is short；Brightness is low,
Then the time is long, and adjusting cannot be adjusted in current emergency light brightness of illumination according to occasion, and lighting hours is limited.
Utility model content
Shortcoming present in view of the above technology, the utility model provide a kind of emergency light power supply control of adjustable luminosity
Circuit, emergency power supply and emergency light processed can be realized the brightness that emergency light is adjusted by toggle switch, delay emergency
The continuation of the journey of the reserve battery of headlamp is realized, and realizes demand of the different places to emergency light to brightness.
To achieve the above object, the utility model provides a kind of emergency light power control circuit of adjustable luminosity, including electricity
Source converting unit, charhing unit, battery pack, boost boosting unit, pressure regulation unit and toggle switch, the power conversion unit
For AC power source to be converted to DC power supply, the input terminal of the power conversion unit is connected with charhing unit, the charging
Unit, battery pack are successively connect with the boost boosting unit, and the pressure regulation unit includes bleeder circuit and pulse width modulator,
The toggle switch is connect with bleeder circuit and pulse width modulator, and the toggle switch passes through different dial-up shutdown combination control
The bleeder circuit realizes different on states in different dial-up states and then exports different input piezoelectric voltages, and described group
Feedback voltage is fed back to pulse width modulator by code switch, and pulse width modulator issues the pulse of duty ratio corresponding according to the feedback voltage
Signal, to realize that boost boosting unit carries out different boostings, final regulation and control LED light emission luminance.
Wherein, the toggle switch includes pin 1, pin 2, pin 3, pin 4, pin 5 and pin 6,1 He of pin
6 formed first switches, pin 2 and 5 formed second switch, pin 3 and 4 formed third switch, the first switch with described point
The resistance R16 connection of volt circuit, the second switch are connected by the resistance R16 of R101, R102 and the bleeder circuit in parallel
Connect, third switch is connect by R103, R104 in parallel with the resistance R16 of the bleeder circuit, and pin 4,5,6 all with
The input terminal of the pulse width modulator connects.
Wherein, the bleeder circuit further includes R16, swept resistance RW1 and RW2, and described swept resistance RW1, RW2 are in parallel
Node be sequentially connected in series with R15, R16, another node is connect with the power supply.
Wherein, the power conversion unit includes sequentially connected filter circuit, rectification circuit, the filter circuit connection
External input alternating current, input terminal connection filter circuit, the output end of the rectification circuit connect charhing unit.
It wherein, further include voltage regulation unit, the input terminal of the voltage regulation unit is connect with the input terminal of the bleeder circuit, institute
The import and export end for stating voltage regulation unit is connect with the output end of the boost boosting unit.
The utility model also provides a kind of emergency power supply, the emergency light control including adjustable luminosity described in any of the above item
Circuit and shell, the emergency lamp control circuit be accommodated in the shell, and the shell is equipped with and communicates with housing cavity
The toggle switch of through-hole, the emergency lamp control circuit is arranged on shell and passes through groove and internal emergency lamp control circuit
Connection.
The utility model also provides a kind of emergency light, including mentioned-above emergency power supply, lamp body and LED light, institute
It states and is equipped with the emergency power supply and LED light in lamp body, the LED light connects the emergency power supply, and then the emergency power supply
The brightness of the LED light is controlled by toggle switch.
The beneficial effects of the utility model are: compared with prior art, the emergency of adjustable luminosity provided by the utility model
External input alternating current is converted to energy by power conversion unit by lamp power control circuit, emergency power supply and emergency light
It is enough the stable DC electricity of battery pack charging, charges when not powering off for battery pack, in the event of a power failure, battery pack is logical
Cross boost boosting unit to power to emergency-lighting set, and be provided with pressure regulation unit, pressure regulation unit be provided with bleeder circuit,
Pulse width modulator and toggle switch, by toggle switch by different dial-up shutdown combination control bleeder circuits in different dial-ups
State realizes different on states and then exports different input piezoelectric voltages, and feedback voltage is fed back to pulsewidth by toggle switch
Modulator, pulse width modulator according to the feedback voltage issue duty ratio corresponding pulse signal, with realize boost boosting unit into
The different boosting of row, final regulation and control LED light emission luminance.To realize the demand according to different occasions, lamp brightness is adjusted, is reached
The balance of brightness of illumination demand and illumination duration demand realizes the effective use of battery power.
Detailed description of the invention
Fig. 1 is the general frame figure of the utility model；
Fig. 2 is first part's circuit diagram of the utility model；
Fig. 3 is the second part circuit diagram of the utility model.
Main element symbol description is as follows:
1, power conversion unit 2, charhing unit
3, battery pack 4, boost boosting unit
5, pressure regulation unit 6, toggle switch
51, bleeder circuit 52, pulse width modulator
8, voltage regulation unit 9, LED light.
Specific embodiment
In order to more clearly state the utility model, the utility model is further described with reference to the accompanying drawing.
Referring to Fig. 1, the emergency light of the adjustable luminosity of the utility model, including lamp body, emergency power supply and LED light,
Emergency power supply and LED light are equipped in lamp body, LED light connects emergency power supply, and emergency power supply includes the emergency light of adjustable luminosity
Control circuit and the shell for being equipped with the emergency lamp control circuit, the toggle switch for lamp control circuit of meeting an urgent need passes through recessed on shell
Slot is connected to internal emergency lamp control circuit, and toggle switch is communicated on lamp body, the power supply conversion for lamp control circuit of meeting an urgent need
Unit is electrically connected by the power port connecting wire on lamp body with city, and toggle switch adjusts LED light by emergency control circuit
Brightness, wherein the emergency control circuit of adjustable luminosity includes power conversion unit 1, charhing unit 2, battery pack 3, boost
Boosting unit 4, pressure regulation unit 5 and toggle switch 6, power conversion unit 1 are used to AC power source being converted to DC power supply, battery
Battery in group 3 is preferably lithium battery, input terminal and charhing unit 2 connection of power conversion unit 1, charhing unit 2, electricity
Pond group 3 is successively connect with boost boosting unit 4, and pressure regulation unit 5 includes bleeder circuit 51 and pulse width modulator 52, toggle switch 6
It is connect with bleeder circuit 51 and pulse width modulator 52, toggle switch 6 passes through different dial-up shutdown combination control bleeder circuits 51
Different on states are realized in different dial-up states and then export different input piezoelectric voltages, and toggle switch 6 will feed back electricity
Pressure feeds back to pulse width modulator 52, and pulse width modulator 52 issues the pulse signal of duty ratio corresponding according to the feedback voltage, with reality
Existing boost boosting unit 4 carries out different boostings, final regulation and control LED light emission luminance, to realize the need according to different occasions
It asks, adjusts lamp brightness, reach the balance of brightness of illumination demand and illumination duration demand, realize effective benefit of battery power
With.
In the present embodiment, it is first part's circuit diagram of the utility model refering to Fig. 2 and Fig. 3, Fig. 2, that is, includes dialling
Code switch 6, bleeder circuit 51, pulse width modulator 52, boost boosting unit 4, Fig. 3 are the second part circuit of the utility model,
Including power-switching circuit 1, charhing unit 2, battery pack 3, inductance, mos pipe, diode constitute boost boosting unit 4, defeated
Boost in voltage carries out brightness regulation to LED lamp at target threshold voltage out, and pulse width modulator 52 is that MCU controls chip, passes through pulsewidth
Modulator 52 is connect with 1 foot of mos pipe, controls being turned on and off for mos tube grid and source electrode, and input different voltage values,
So that boost boosting unit 4 carries out different boostings, final regulation and control LED light emission luminance, toggle switch 6 includes pin 1, pin
2, pin 3, pin 4, pin 5 and pin 6, pin 1 and 6 forms first switch, pin 2 and 5 forms second switch, pin 3 and 4
Formation third switch, the resistance R16 connection of first switch and bleeder circuit, second switch is by R101 and R102 in parallel and divides
The resistance R16 connection of volt circuit, third switch pass through the resistance R16 connection of R103 and R104 and bleeder circuit in parallel, and draw
Foot 4,5,6 is all connect with the input terminal of the pulse width modulator, it is preferable that bleeder circuit further include R16, swept resistance RW1 and
RW2, the node and R15, R16 of swept resistance RW1, RW2 parallel connection are sequentially connected in series, another node connects to power supply, it is preferable that
Toggle switch is additionally provided with pin 7 and 8, and the connection relationship of pin 7 and 8 is similar with the connection relationship of pin 3 and 4, but in 7 He of pin
It is additionally provided with capacitor C10 between 8, plays the role of protection.
Specific works method are as follows: when need to adjust the brightness of LED light to emergency power supply be 5W when, the pin of toggle switch
1 and 6, pin 2 and 5 is closed, i.e., closes first switch and the second switch, and pin 3 and 4 disconnects, battery pack output voltage Vo1,
The output voltage is connected in series in the node of resistance R15, R16 after R101 and R102 in parallel, R103 and R104 are in parallel, and
Vo2 is formed after the bleeder circuit that swept resistance RW1, RW2 and R15, R16 are sequentially connected in series at this time, and by Vo2 through toggle switch
Pin 5 and 6 gives the pin 4 of pulse width modulator, and pulse width modulator is issued after the more anxious calculation process of its predetermined level and driven
Moving pulse P1, PI drives 1 foot control mos tube grid of mos pipe and being turned on and off for source electrode, so that boost boosting unit is defeated
Enter to meet the power that LED light is 5W；
When need to adjust the brightness of LED light to emergency power supply be 8W when, the pin 1 and 6 or pin 2 and 5 of toggle switch
It closes, i.e., closes first switch or second switch, pin 3 and 4 disconnects, battery pack output voltage Vo1, which passes through
Be connected in series in the node of resistance R15, R16 after R101 and R102 or R103 and R104 in parallel, and at this time swept resistance RW1,
Vo2 is formed after the bleeder circuit that RW2 and R15, R16 are sequentially connected in series, and gives Vo2 to pulsewidth tune through the pin 5 or 6 of toggle switch
The pin 4 of device processed, pulse width modulator after the more anxious calculation process of its predetermined level, will issue driving pulse P1, and PI drives mos pipe
1 foot control mos tube grid and source electrode be turned on and off so that the input of boost boosting unit meets the function that LED lamp is 8W
Rate；
When need to adjust the brightness of LED light to emergency power supply be 20W when, the closing of toggle switch pin 3 and 4,1 He of pin
6, pin 2 and 5 disconnects, i.e., closes third, and first switch and the second switch disconnects, battery pack output voltage Vo1, output electricity
Pressure passes through concatenated resistance R15, R16, and shape after the bleeder circuit that swept resistance RW1, RW1 and R15, R16 are sequentially connected in series at this time
At Vo2, and Vo2 is given to the pin 4 of pulse width modulator through the pin 4 of toggle switch, pulse width modulator is by its predetermined level ratio
After more anxious calculation process, driving pulse P1 is issued, PI drives 1 foot control mos tube grid of mos pipe and conducting and the pass of source electrode
It closes, so that the input of boost boosting unit meets the power that LED light is 20W.
It in the present embodiment, is the second part circuit of the utility model refering to Fig. 3 and Fig. 2, Fig. 3, wherein power supply is converted
Unit 1 includes filter circuit 11 and rectification circuit 12, and power conversion unit 1 includes sequentially connected filter circuit 11, rectified current
Road 12, filter circuit 11 connect external input alternating current, and input terminal connection filter circuit 11, the output end of rectification circuit 12 connect
Connect charhing unit 2；It preferably, further include voltage regulation unit 8, voltage regulation unit is in first part's circuit diagram of Fig. 2, voltage regulation unit 8
Input terminal connect with the input terminal of bleeder circuit 51, the output end of the output end of voltage regulation unit 8 and boost boosting unit 4 connects
It connects, voltage regulation unit 8 has concatenated diode Z4, Z2 and Z3, and capacitor C24 is provided between Z3 and the pin of Z4, plays pressure stabilizing
Effect.
The advantage of the utility model is:
Emergency light power control circuit, emergency power supply and the emergency light of adjustable luminosity provided by the utility model lead to
Crossing power conversion unit and being converted to external input alternating current to be the stable DC electricity of battery pack charging, in not power blackout situation
It charges for battery pack down, in the event of a power failure, boost booster circuit is by battery pack by boost booster circuit to emergency
Lighting apparatus power supply, and it is provided with regulating circuit, regulating circuit is provided with bleeder circuit, pulse width modulator and toggle switch, leads to
It crosses toggle switch and different on states is realized in different dial-up states by different dial-up shutdown combination control bleeder circuits
And then export different input piezoelectric voltages, and feedback voltage is fed back to pulse width modulator by toggle switch, pulse width modulator according to
The feedback voltage issues the pulse signal of duty ratio corresponding, to realize that boost boosting unit carries out different boostings, final regulation and control
LED light emission luminance.To realize the demand according to different occasions, lamp brightness is adjusted, reaches brightness of illumination demand and illumination is held
The balance of continuous time demand, realizes the effective use of battery power.
Disclosed above is only one or several specific embodiments of the utility model, but the utility model not limits to
In this, the changes that any person skilled in the art can think of should all fall into the protection scope of the utility model.
Claims (7)
1. a kind of emergency light power control circuit of adjustable luminosity, which is characterized in that including power conversion unit, charhing unit,
Battery pack, boost boosting unit, pressure regulation unit and toggle switch, the power conversion unit is for being converted to AC power source
The input terminal of DC power supply, the power conversion unit is connected with charhing unit, the charhing unit, battery pack successively with it is described
The connection of boost boosting unit, the pressure regulation unit includes bleeder circuit and pulse width modulator, the toggle switch and bleeder circuit
It is connected with pulse width modulator, the toggle switch controls the bleeder circuit in different dial-ups by different dial-up shutdown combinations
State realizes different on states and then exports different input piezoelectric voltages, and the toggle switch feeds back to feedback voltage
Pulse width modulator, pulse width modulator issue the pulse signal of duty ratio corresponding according to the feedback voltage, to realize that boost boosting is single
Member carries out different boostings, final regulation and control LED light emission luminance.
2. the emergency light power control circuit of adjustable luminosity according to claim 1, which is characterized in that the toggle switch
Including pin 1, pin 2, pin 3, pin 4, pin 5 and pin 6, the pin 1 and 6 forms first switch, the shape of pin 2 and 5
Third switch is formed at second switch, pin 3 and 4, the first switch is connect with the resistance R16 of the bleeder circuit, described
Second switch is connect by R101, R102 in parallel with the resistance R16 of the bleeder circuit, and the third switch passes through parallel connection
R103, R104 are connect with the resistance R16 of the bleeder circuit, and input of the pin 4,5,6 all with the pulsewidth modulation modulator
End connection.
3. the emergency light power control circuit of adjustable luminosity according to claim 2, which is characterized in that the bleeder circuit
It further include R16, swept resistance RW1 and RW2, the node and R15, R16 of swept resistance RW1, RW2 parallel connection are sequentially connected in series company
It connects, another node is connect with the power supply.
4. the emergency light power control circuit of adjustable luminosity according to claim 1, which is characterized in that the power supply conversion
Unit includes sequentially connected filter circuit, rectification circuit, and the filter circuit connects external input alternating current, the rectified current
Input terminal connection filter circuit, the output end on road connect charhing unit.
5. the emergency light power control circuit of adjustable luminosity according to claim 1, which is characterized in that further include pressure stabilizing list
Member, the input terminal of the voltage regulation unit are connect with the input terminal, the import and export end of the voltage regulation unit and the boost liter
Press the output end connection of unit.
6. the emergency power supply that luminosity is adjusted in a kind of emergency light power supply, which is characterized in that including adjustable described in claim 1-5
The emergency light power control circuit and shell of luminosity, the emergency lamp control circuit is accommodated in the shell, on the shell
Equipped with the through-hole communicated with housing cavity, it is described emergency lamp control circuit toggle switch be arranged on shell and pass through through-hole with
Internal emergency lamp control circuit connection.
7. a kind of emergency light, which is characterized in that described including emergency power supply as claimed in claim 6, lamp body and LED light
The emergency power supply and LED light are equipped in lamp body, the LED light connects the emergency power supply, and then the emergency power supply is logical
Cross the brightness that toggle switch controls the LED light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821659788.7U CN209643022U (en) | 2018-10-13 | 2018-10-13 | Emergency light power control circuit, emergency power supply and the emergency light of adjustable luminosity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821659788.7U CN209643022U (en) | 2018-10-13 | 2018-10-13 | Emergency light power control circuit, emergency power supply and the emergency light of adjustable luminosity |
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| Publication Number | Publication Date |
|---|---|
| CN209643022U true CN209643022U (en) | 2019-11-15 |
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ID=68471228
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821659788.7U Active CN209643022U (en) | 2018-10-13 | 2018-10-13 | Emergency light power control circuit, emergency power supply and the emergency light of adjustable luminosity |
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| CN (1) | CN209643022U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113015293A (en) * | 2019-12-18 | 2021-06-22 | 漳州立达信光电子科技有限公司 | Power-off delay control method and power-off delay control system of lighting equipment |
| CN114872461A (en) * | 2022-05-07 | 2022-08-09 | 华芯科技(恩施)有限公司 | Intelligent seal management system and control method thereof |
| CN115402377A (en) * | 2022-08-31 | 2022-11-29 | 中车大连电力牵引研发中心有限公司 | Time-sharing control circuit and method for motor train unit with adjustable current and voltage acquisition |
-
2018
- 2018-10-13 CN CN201821659788.7U patent/CN209643022U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113015293A (en) * | 2019-12-18 | 2021-06-22 | 漳州立达信光电子科技有限公司 | Power-off delay control method and power-off delay control system of lighting equipment |
| CN114872461A (en) * | 2022-05-07 | 2022-08-09 | 华芯科技(恩施)有限公司 | Intelligent seal management system and control method thereof |
| CN115402377A (en) * | 2022-08-31 | 2022-11-29 | 中车大连电力牵引研发中心有限公司 | Time-sharing control circuit and method for motor train unit with adjustable current and voltage acquisition |
| CN115402377B (en) * | 2022-08-31 | 2023-10-20 | 中车大连电力牵引研发中心有限公司 | Time-sharing control circuit and method for motor train unit with adjustable current and voltage |
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