CN208691601U - A kind of emergency light - Google Patents
A kind of emergency light Download PDFInfo
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- CN208691601U CN208691601U CN201820767400.9U CN201820767400U CN208691601U CN 208691601 U CN208691601 U CN 208691601U CN 201820767400 U CN201820767400 U CN 201820767400U CN 208691601 U CN208691601 U CN 208691601U
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Abstract
The utility model discloses a kind of emergency lights, the charge management circuit being connect including battery, emergency LED component, charge power supply of battery circuit, illumination constant-current drive circuit, detection circuit, emergency starting circuit and input terminal with battery terminal negative, input terminal of the input terminal and output end of charge power supply of battery circuit respectively with the output end of illumination constant-current drive circuit, charge management circuit couples, and the output end and input terminal of detection circuit are connect with the input terminal of alternating current, emergency starting respectively；When power failure, battery is the power supply of emergency starting circuit, the first switch of emergency starting circuit, second switch provide stable threshold voltage to third switch and act on, emergency starting circuit fast and stable is set to start, 3rd resistor, first capacitor and second switch can compensate for emergency starting thresholding, the influence of temperature drift when reducing high temperature, illuminates constant current driving and charge power supply reduction voltage circuit shares one group of driving circuit, reduces costs.
Description
Technical field
The utility model belongs to lighting lamp technical field, more specifically, it relates to a kind of emergency light.
Background technique
Emergency light is the general name of the lamps and lanterns of emergency lighting, be usually applied to accident emergency illumination, escape hatch mark and
Indicator light etc.；Emergency light disaster relief and rescue, in terms of play the role of be it is unprecedented, although only several
Hour illumination, but several hours can help how many property and life to be protected, and body the characteristics of LED in emergency light
Product is small, the service life is long, efficiency high-low voltage, using the series of advantages such as safe, energy saving, therefore the Department of Science and Technology will " LED emergency light shines
Bright high efficiency drive technology and system Reliability Research " is classified as 863 projects in 2008 and is researched and developed.
Currently, emergency light, as a kind of emergency lighting, when the case where municipal power failure being unable to normal power supply, tradition is answered
Anxious lamp realizes the purpose of the emergency service illumination of power supply by artificially opening switch, however, due to this traditional emergency light
It is to need artificial open to can be only achieved emergency service purpose, thus cannot reach fast automatic after power failure and be converted to emergency function,
Achieve the purpose that continuous illumination；
In addition, most of detection circuit and switching circuit of emergency light in the prior art use relay grade height energy consumer
Part, manufacture product cost are high.
Utility model content
In order to overcome the defects of the prior art described above, the technical problem to be solved by the utility model is to provide one kind to stop
Fast automatic starting and economic and practical emergency light after electricity.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows:
A kind of emergency light, including battery, emergency LED component, AC-DC conversion module, charge power supply of battery circuit, detection
Circuit and charge management circuit, the input terminal of the charge management circuit are connect with the cathode of the battery, and the battery fills
The output end of electric power circuit is connect with the input terminal of the charge management circuit, the input terminal and city's thermocouple of the detection circuit
It connects, the input terminal and city's electric coupling of the AC-DC conversion module, further includes:
Emergency starting circuit, the emergency starting circuit include first resistor, first switch, second resistance, 3rd resistor,
First capacitor, second switch, the 4th resistance, the 5th resistance and third switch, the battery difference anode and first electricity
The cold end coupling of the input terminal of resistance, the first switch, the control of the output end of the first resistor and the first switch
End coupling processed, the output end of the detection circuit are connect with the output end of the first resistor, the high potential of the first switch
End and the input terminal of the second resistance couple, and the input terminal of the output end of the second resistance and the 3rd resistor couples,
The output end of the 3rd resistor is grounded, and the input terminal of the input terminal of the first capacitor and the 3rd resistor couples, described
The output end of first capacitor is grounded, and the input terminal of the control terminal of the second switch and the first capacitor couples, and described second
The cold end of switch is grounded, and the output end of the hot end of the second switch and the 4th resistance couples, and the described 4th
The output end of the input terminal of resistance and the 5th resistance couples, and the anode of the battery is defeated with the 5th resistance respectively
Enter the cold end coupling at end, third switch, the control terminal of the third switch and the output end coupling of the 5th resistance
It connects, the hot end and the emergency LED component of the third switch couple；
Illumination constant-current drive circuit with charge power supply reduction voltage circuit, it is described illumination constant-current drive circuit input terminal with
The output end of the AC-DC conversion module couples, the output end and the charge power supply of battery of the illumination constant-current drive circuit
The input terminal of circuit couples.Further, the detection circuit includes first diode, zener diode, the second diode,
Six resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance and the second capacitor；6th resistance and the 8th electricity
Resistance series connection, the input terminal of the 6th resistance and the firewire of alternating current couple, the output end ground connection of the 8th resistance, and the described 7th
The ground wire of resistance and the 9th resistance series connection, the input terminal of the 7th resistance and alternating current couples, the 9th resistance it is defeated
The anode of outlet and the first diode couples, the cathode coupling of the cathode of the first diode and the zener diode
It connects, the plus earth of the zener diode, the input terminal of the tenth resistance and the output end of the 9th resistance couple, institute
The output end for stating the tenth resistance is coupled at the node of the first diode and zener diode, the input of second capacitor
End and the output end of the tenth resistance couple, the input end grounding of second capacitor, the cathode coupling of second diode
It is connected to the output end of the tenth resistance, the anode of second diode and the output end of the first resistor couple.
Further, the first switch is PNP type triode, and the base stage of the PNP type triode is opened for described first
The control terminal of pass, the hot end of the extremely described first switch of transmitting of the PNP type triode, the PNP type triode
The cold end of the extremely described first switch of current collection.
Further, the second switch is NPN type triode, and the base stage of the NPN type triode is opened for described second
The control terminal of pass, the cold end of the extremely described second switch of transmitting of the NPN type triode, the NPN type triode
The hot end of the extremely described second switch of current collection.
Further, the third switch is p-type metal-oxide-semiconductor, and the grid of the p-type metal-oxide-semiconductor is the control of three switch
End processed, the drain electrode of the p-type metal-oxide-semiconductor are the hot end of third switch, and the source electrode of the p-type metal-oxide-semiconductor is the third
The cold end of switch.
Further, the AC-DC conversion module uses the full-wave rectifying circuit being made of four diodes.
Further, it is connected with anti-surge circuit so far in the input terminal and alternating current of the illumination constant-current drive circuit, institute
Anti-surge circuit is stated to be composed in series using lightning protection component with alternating current.
It further, further include battery protecting circuit, the input terminal of battery protecting circuit and battery charging management electricity
The output end on road couples, and the cathode of the output end of battery protecting circuit and the battery couples.
It further, further include LED current-limiting protection circuit, the input terminal of LED current-limiting protection circuit and the emergency starting
The output end of circuit connects, and the output end of LED current-limiting protection circuit is connect with the emergency LED component, the LED current-limiting protection
Circuit is composed in parallel by least two resistance wires.
The utility model has the beneficial effects that: the alternating current after conversion is driven by illumination constant current when alternating current normal power-up
Dynamic circuit realizes normal lighting since illumination constant-current drive circuit and charge power supply reduction voltage circuit share one group of driving circuit
Antihypertensive effect is played for charge power supply of battery circuit simultaneously, and is reduced costs；Then battery charging, charge management circuit are carried out
Play the service life for extending battery；When power failure, the first switch of emergency starting circuit, second switch provide for third switch
Stable threshold voltage effect, enables emergency starting circuit fast and stable to start, when detection circuit detection municipal power failure power-off
When, the control terminal of first switch is high level, wherein battery is connected with the circuit that the hot end of first switch couples, the
The effect of one resistance offer bias voltage.After being depressured again by second resistance, driving second switch conducting, wherein 3rd resistor
Low-pass filter effect is constituted with first capacitor, stable control voltage is provided for second switch, and reduce the influence of temperature drift.Most
Afterwards, after second switch conducting, the control terminal voltage change of third switch, third switch conduction, driving emergency LED component starting,
And then realize the function of fast automatic starting emergency light.
Detailed description of the invention
Fig. 1 is the circuit diagram of the emergency light of the utility model embodiment；
Fig. 2 is the detection circuit and emergency starting circuit diagram of the emergency light of the utility model embodiment；
Fig. 3 is the circuit block diagram of the emergency light of the utility model embodiment.
Label declaration: 1, anti-surge circuit；2, AC-DC conversion module；3, constant-current drive circuit is illuminated；
4, charge power supply of battery circuit；5, charge management circuit；6, battery protecting circuit；7, emergency starting circuit；8, it examines
Slowdown monitoring circuit；9, LED current-limiting protection circuit.
Specific embodiment
For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
The design of the utility model most critical is:
Above-mentioned emergency starting circuit 7 is designed, to realize that emergency light realizes quick start in failure power-off.
Please refer to Fig. 1 to Fig. 3, a kind of emergency light, including battery, emergency LED component, AC-DC conversion module 2, battery
Charging power source circuit 4, detection circuit 8 and charge management circuit 5, the input terminal of charge management circuit 5 and the cathode of battery connect
It connects, the output end of charge power supply of battery circuit 4 is connect with 5 input terminal of charge management circuit, the input terminal and alternating current of detection circuit 8
Coupling, the input terminal and city's electric coupling of AC-DC conversion module 2, further includes:
Emergency starting circuit 7, emergency starting circuit 7 include first resistor, first switch, second resistance, 3rd resistor, the
One capacitor, second switch, the 4th resistance, the 5th resistance and third switch, battery positive voltage respectively with the input terminal of first resistor,
The cold end of first switch couples, and the output end of first resistor and the control terminal of first switch couple, the output of detection circuit 8
End is connect with the output end of first resistor, and the hot end of first switch and the input terminal of second resistance couple, second resistance
Output end and the input terminal of 3rd resistor couple, the output end ground connection of 3rd resistor, the input terminal and 3rd resistor of first capacitor
Input terminal coupling, the input terminal of the output end ground connection of first capacitor, the control terminal of second switch and first capacitor couples, second
The cold end of switch is grounded, and the output end of the hot end of second switch and the 4th resistance couples, the input terminal of the 4th resistance
It being coupled with the output end of the 5th resistance, anode and the input terminal of the 5th resistance, the cold end of third switch of battery couple,
The control terminal of third switch and the output end of the 5th resistance couple, and the hot end and emergency LED component of third switch couple.
Illumination constant-current drive circuit 3 with charge power supply reduction voltage circuit, the input terminal of the illumination constant-current drive circuit 3
It is coupled with the output end of the AC-DC conversion module 2, the output end and the battery of the illumination constant-current drive circuit 3 charge
The input terminal of power circuit 4 couples.
As can be seen from the above description, the utility model has the beneficial effects that: alternating current passes through AC- when alternating current normal power-up
The direct current converted after DC conversion module 2 passes through illumination constant-current drive circuit 3 again, due to illumination constant current driving 3 and charge power supply
Reduction voltage circuit shares one group of driving circuit, realizes and plays antihypertensive effect while normal lighting for charge power supply of battery circuit 4, and drops
Low cost；In charging process, charge management circuit 5 play temperature protection, charging current limiter protection and fill it is full by function, prolong
The service life of long battery；When power failure, the first switch of emergency starting circuit 7, second switch switch for third provides stabilization
Threshold voltage effect, enable 7 fast and stable of emergency starting circuit start, at this point, the control terminal of first switch be high level,
The circuit that the hot end of battery and first switch couples be connected, and first resistor provides the effect of bias voltage, then passes through the
After the decompression of two resistance, it is second switch that driving second switch conducting, 3rd resistor and first capacitor, which constitute low-pass filter effect,
Stable control voltage is provided, the influence of temperature drift is reduced.After second switch conducting, the control terminal voltage change of third switch, the
Three switch conductions, driving emergency LED component starting, and then realize that emergency light has a power failure the function of fast automatic starting.
Further, detection circuit 8 includes first diode, zener diode, the second diode, the 6th resistance, the 7th
Resistance, the 8th resistance, the 9th resistance, the tenth resistance and the second capacitor；6th resistance is connected with the 8th resistance, the 6th resistance it is defeated
The firewire for entering end and alternating current couples, and the output end of the 8th resistance is grounded the 7th resistance and the series connection of the 9th resistance, the 7th resistance it is defeated
The ground wire for entering end and alternating current couples, and the output end of the 9th resistance and the anode of first diode couple, the cathode of first diode
It is coupled with the cathode of zener diode, the plus earth of zener diode, the output of the input terminal and the 9th resistance of the tenth resistance
End coupling, the output end of the tenth resistance are coupled at the node of first diode and zener diode, the input terminal of the second capacitor
It is coupled with the output end of the tenth resistance, the input end grounding of the second capacitor, the cathode of the second diode is coupled to the tenth resistance
Output end, the anode of the second diode and the output end of first resistor couple.
As can be seen from the above description, city's electric signal streams are coupled to the firewire of alternating current and by the 6th resistance when alternating current is powered
The circuit being composed in series with the 8th resistance to the 8th resistance output end be grounded, city's electric signal streams be coupled to the ground wire of alternating current and
The circuit being composed in series by the 7th resistance and the 9th resistance, using the low pass of the tenth resistance and the second capacitor series connection ground connection composition
Filter circuit, the second diode is off state at this time；When alternating current power-off, storage battery power supply, the conducting of the second diode, the
From high to low, so that the control terminal voltage of first switch increases, first switch is connected the cathode voltage of two diodes, and then realizes
The detection of alternating current input and the starting of emergency starting circuit 7.
Further, first switch is PNP type triode, and the base stage of PNP type triode is the control terminal of first switch,
The hot end of the transmitting extremely first switch of PNP type triode, the low potential of the current collection of PNP type triode extremely first switch
End.
As can be seen from the above description, the base stage of PNP type triode is high electricity when detection circuit 8 detects municipal power failure power-off
It is flat, wherein battery is connected with the circuit that the emitter of PNP type triode couples, and first resistor provides the effect of bias voltage.
Further, second switch is NPN type triode, and the base stage of NPN type triode is the control terminal of second switch,
The cold end of the transmitting extremely second switch of NPN type triode, the high potential of the current collection of NPN type triode extremely second switch
End.
As can be seen from the above description, alternating current breaks down when having a power failure, the control terminal of first switch is high level, wherein electric power storage
Pond is connected with the circuit that the hot end of first switch couples, and first resistor provides the effect of bias voltage.Pass through the second electricity again
After resistance decompression, driving the base stage of NPN type triode is high level, NPN type triode conducting, wherein 3rd resistor and the first electricity
Hold and constitute low-pass filter effect, stable control voltage is provided to NPN type triode, reduces the shadow of NPN type triode temperature drift
It rings.After NPN type triode conducting, the control terminal voltage change of third switch, third switch conduction drives emergency LED component to open
It is dynamic.
Further, third switch is p-type metal-oxide-semiconductor, and the grid of p-type metal-oxide-semiconductor is the control terminal of third switch, p-type metal-oxide-semiconductor
Drain electrode be third switch hot end, the source electrode of p-type metal-oxide-semiconductor is the cold end of third switch.
As can be seen from the above description, the control terminal of the first switch in emergency circuit 7 is high level when alternating current power-off,
In, battery is connected with the circuit that the hot end of first switch couples, and first resistor provides the effect of bias voltage.Pass through again
After second resistance decompression, driving second switch conducting, wherein 3rd resistor and first capacitor constitute low-pass filter, are second
Switch provides stable control voltage, reduces the influence of temperature drift；After second switch conducting, the grid voltage of p-type metal-oxide-semiconductor changes, P
The conducting of type metal-oxide-semiconductor, driving emergency LED component starting.
Further, AC-DC conversion module 2 is using the full-wave rectifying circuit being made of four diodes.
As can be seen from the above description, AC-DC conversion module 2 is using the full-wave rectifying circuit being made of four diodes, circuit
Simply, and it is at low cost.
Further, anti-surge circuit 1, wave resistance are connected between the input terminal and alternating current of illumination constant-current drive circuit 3
Circuit is gushed to be composed in series using lightning protection component with alternating current.
As can be seen from the above description, the anti-surge circuit 1 being composed in series using lightning protection component and alternating current, improves safety
Cost is reduced simultaneously.
It further, further include battery protecting circuit 6, the input terminal of battery protecting circuit 6 is defeated with charge management circuit 5
Outlet coupling, the output end of battery protecting circuit 6 and the cathode of battery couple.
As can be seen from the above description, by between the output end and battery terminal negative of charge management circuit 5 series-connected cell protect
Protection circuit 6 is battery overcharge, overdischarge, overcurrent, short-circuit second protection, extends the service life of battery.
It further, further include LED current-limiting protection circuit 9, input terminal and the emergency starting electricity of LED current-limiting protection circuit 9
The output end on road 7 connects, and the output end of LED current-limiting protection circuit 9 is connect with emergency LED component, LED current-limiting protection circuit 9 by
At least two resistance wires compose in parallel.
As can be seen from the above description, by between the output end of emergency starting circuit 7 and emergency LED component series LED limit
Stream protection circuit 9, the electric current for preventing emergency starting circuit 7 from exporting is excessive and damages emergency LED component, to enhance emergency light
Reliability.
It please refers to shown in Fig. 1 to Fig. 3, the utility model embodiment one are as follows:
The emergency light of the present embodiment, as shown in figures 1 and 3, including battery, emergency LED component, anti-surge circuit 1,
AC-DC conversion module 2, illumination driving constant-current circuit 3, detection circuit 8, emergency starting circuit 7, LED current-limiting protection circuit 9, electricity
Pond charging power source circuit 4, charge management circuit 5 and battery protecting circuit 6.The input terminal and output end of anti-surge circuit 7 are distinguished
It is connect with the input terminal of alternating current, AC-DC conversion module 2, anti-surge circuit 1 is composed in series using lightning protection component with alternating current；AC-
DC conversion module 2 is using the full-wave rectifying circuit being made of four diodes；Illuminating constant-current drive circuit 3 includes weight power voltage step down
Circuit, input terminal and the output end for illuminating constant-current drive circuit 3 are electric with the output end of AC-DC conversion module 2, battery charging respectively
The input terminal of source circuit 4 connects；The output end of charge power supply of battery circuit 4 is connect with the input terminal of charge management circuit 4；Battery
The input terminal and output end for protecting circuit 6 are coupled with the cathode of the output end of charge management circuit 4, battery respectively；LED current limliting
The input terminal and output end for protecting circuit 9 are connect with the output end of emergency starting circuit 7, emergency LED component respectively, LED current limliting
Protection circuit 9 is composed in parallel by several resistance wires；
As shown in Fig. 2, detection circuit 8 includes first diode, zener diode, the second diode, the 6th resistance, the 7th
Resistance, the 8th resistance, the 9th resistance, the tenth resistance and the second capacitor；6th resistance is connected with the 8th resistance, the 6th resistance it is defeated
The firewire for entering end and alternating current couples, the output end ground connection of the 8th resistance, the 7th resistance and the series connection of the 9th resistance, the 7th resistance it is defeated
The ground wire for entering end and alternating current couples, and the output end of the 9th resistance and the anode of first diode couple, the cathode of first diode
It is coupled with the cathode of zener diode, the plus earth of zener diode, the output of the input terminal and the 9th resistance of the tenth resistance
End coupling, the output end of the tenth resistance are coupled at the node of first diode and zener diode, the input terminal of the second capacitor
It is coupled with the output end of the tenth resistance, the input end grounding of the second capacitor, the cathode of the second diode is coupled to the tenth resistance
Output end；
As shown in Fig. 2, emergency starting circuit 7 includes first resistor, PNP type triode, second resistance, 3rd resistor, the
One capacitor, NPN type triode, the 4th resistance, the 5th resistance and p-type metal-oxide-semiconductor, battery positive voltage respectively with the input of first resistor
The collector coupling at end, PNP type triode, the output end of first resistor and the base stage of PNP type triode couple, the second diode
Anode and the output end of first resistor connect, the input terminal of the emitter of PNP type triode and second resistance couples, the second electricity
The output end of resistance and the input terminal of 3rd resistor couple, the output end ground connection of 3rd resistor, the input terminal and third of first capacitor
The input terminal of resistance couples, the output end ground connection of C10 first capacitor, the base stage of NPN type triode and the input terminal of first capacitor
The output end of coupling, the emitter ground connection of NPN type triode, the collector of NPN type triode and the 4th resistance couples, the 4th electricity
The coupling of the output end of the input terminal of resistance and the 5th resistance, anode and the input terminal of the 5th resistance, the source of p-type metal-oxide-semiconductor of battery
The output end of pole coupling, the base stage of p-type metal-oxide-semiconductor and the 5th resistance couples, the drain electrode of p-type metal-oxide-semiconductor and LED current-limiting protection circuit 9
Coupling.
In conclusion when emergency light provided by the utility model has 1, has a power failure, three pole of positive-negative-positive of emergency starting circuit
Pipe, NPN type triode provide stable threshold voltage to p-type metal-oxide-semiconductor and act on, and emergency starting circuit fast and stable is enable to open
It is dynamic；
2,3rd resistor, first capacitor, NPN type triode can compensate for emergency starting thresholding, the shadow of temperature drift when reducing high temperature
It rings；
3, it illuminates constant-current drive circuit 3 and charge power supply reduction voltage circuit shares one group of driving circuit, reduce cost.
4, the concatenated anti-surge circuit 1 of lightning protection component and alternating current being arranged realizes the circuit elements device for protecting emergency light
Part reduces cost simultaneously.
5, charge management circuit 5 play temperature protection, charging current limiter protection and fill it is full by function；Battery protecting circuit
The advantages of 6 being battery overcharge, overdischarge, overcurrent, short-circuit second protection, extending the service life of battery.The above is only this is practical
Novel embodiment, therefore it does not limit the scope of the patent of the utility model, all to utilize the utility model specification and attached drawing
Equivalents made by content are applied directly or indirectly in relevant technical field, similarly include in the utility model
In scope of patent protection.
Claims (9)
1. a kind of emergency light, including battery, emergency LED component, AC-DC conversion module, charge power supply of battery circuit, detection electricity
Road and charge management circuit, the input terminal of the charge management circuit are connect with the cathode of the battery, the battery charging
The output end of power circuit is connect with the input terminal of the charge management circuit, the input terminal and city's thermocouple of the detection circuit
It connects, the input terminal and city's electric coupling of the AC-DC conversion module, which is characterized in that further include:
Emergency starting circuit, the emergency starting circuit include first resistor, first switch, second resistance, 3rd resistor, first
Capacitor, second switch, the 4th resistance, the 5th resistance and third switch, the battery anode respectively with the first resistor
Input terminal, the first switch cold end coupling, the control of the output end of the first resistor and the first switch
End coupling, the output end of the detection circuit are connect with the output end of the first resistor, the hot end of the first switch
It is coupled with the input terminal of the second resistance, the input terminal of the output end of the second resistance and the 3rd resistor couples, institute
The output end ground connection of 3rd resistor is stated, the input terminal of the input terminal of the first capacitor and the 3rd resistor couples, and described the
The output end of one capacitor is grounded, and the input terminal of the control terminal of the second switch and the first capacitor couples, and described second opens
The cold end of pass is grounded, and the output end of the hot end of the second switch and the 4th resistance couples, the 4th electricity
The output end of the input terminal of resistance and the 4th resistance couples, the positive input with the 5th resistance respectively of the battery
The cold end coupling at end, third switch, the control terminal of the third switch and the output end of the 5th resistance couple,
The hot end and the emergency LED component of the third switch couple；
Illumination constant-current drive circuit with charge power supply reduction voltage circuit, it is described illumination constant-current drive circuit input terminal with it is described
The output end of AC-DC conversion module couples, the output end and the charge power supply of battery circuit of the illumination constant-current drive circuit
Input terminal coupling.
2. a kind of emergency light according to claim 1, it is characterised in that: the detection circuit includes first diode, steady
Press diode, the second diode, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance and the second capacitor；Institute
It states the 6th resistance to connect with the 8th resistance, the input terminal of the 6th resistance and the firewire of alternating current couple, the 8th electricity
The output end of resistance is grounded, the 7th resistance and the 9th resistance series connection, the input terminal of the 7th resistance and the ground of alternating current
The anode of line coupling, the output end of the 9th resistance and the first diode couples, the cathode of the first diode with
The cathode of the zener diode couples, the plus earth of the zener diode, the input terminal of the tenth resistance with it is described
The output end of 9th resistance couples, and the output end of the tenth resistance is coupled to the knot of the first diode and zener diode
At point, the output end of the input terminal of second capacitor and the tenth resistance is coupled, the input end grounding of second capacitor,
The cathode of second diode is coupled to the output end of the tenth resistance, the anode of second diode and described first
The output end of resistance couples.
3. a kind of emergency light according to claim 1, it is characterised in that: the first switch is PNP type triode, described
The base stage of PNP type triode is the control terminal of the first switch, the extremely described first switch of the transmitting of the PNP type triode
Hot end, the cold end of the extremely described first switch of the current collection of the PNP type triode Q1.
4. a kind of emergency light according to claim 1, it is characterised in that: the second switch is NPN type triode, described
The base stage of NPN type triode is the control terminal of the second switch, and NPN type triode emits the low of the extremely described second switch
Potential end, the hot end of the extremely described second switch of the current collection of the NPN type triode.
5. a kind of emergency light according to claim 1, it is characterised in that: the third switch is p-type metal-oxide-semiconductor, the p-type
The grid of metal-oxide-semiconductor is the control terminal of third switch, and the drain electrode of the p-type metal-oxide-semiconductor is the hot end of third switch,
The source electrode of the p-type metal-oxide-semiconductor is the cold end of third switch.
6. a kind of emergency light according to claim 1, it is characterised in that: the AC-DC conversion module is used by four two
The full-wave rectifying circuit of pole pipe composition.
7. a kind of emergency light according to claim 1, it is characterised in that: in the input terminal of the illumination constant-current drive circuit
Anti-surge circuit is connected between alternating current, the anti-surge circuit is composed in series using lightning protection component with alternating current.
8. a kind of emergency light according to claim 1, it is characterised in that: further include battery protecting circuit, the battery is protected
The output end of the input terminal of protection circuit and the charge management circuit couples, the output end of the battery protecting circuit and the storage
The cathode of battery couples.
9. a kind of emergency light according to claim 1, it is characterised in that: further include LED current-limiting protection circuit, the LED
The input terminal of current-limiting protection circuit is connect with the output end of the emergency starting circuit, the output of the LED current-limiting protection circuit
End is connect with the emergency LED component, and the LED current-limiting protection circuit is composed in parallel by least two resistance wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820767400.9U CN208691601U (en) | 2018-05-22 | 2018-05-22 | A kind of emergency light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820767400.9U CN208691601U (en) | 2018-05-22 | 2018-05-22 | A kind of emergency light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208691601U true CN208691601U (en) | 2019-04-02 |
Family
ID=65877360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820767400.9U Active CN208691601U (en) | 2018-05-22 | 2018-05-22 | A kind of emergency light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208691601U (en) |
-
2018
- 2018-05-22 CN CN201820767400.9U patent/CN208691601U/en active Active
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