CN204879471U - Portable LED emergency light - Google Patents
Portable LED emergency light Download PDFInfo
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- CN204879471U CN204879471U CN201520495591.4U CN201520495591U CN204879471U CN 204879471 U CN204879471 U CN 204879471U CN 201520495591 U CN201520495591 U CN 201520495591U CN 204879471 U CN204879471 U CN 204879471U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model relates to a LED lighting technology field especially relates to a portable LED emergency light. According to the embodiment of the quadruple waterproof safety device, magnet is equipped with to portable LED emergency light bottom, adsorbablely throws light on on the ironwork surface, also can directly carry the use, simultaneously the built -in power supply module of LED emergency light be one collect charge, module in the portable power source of an organic whole such as accumulate, the management of discharging, not only can be used for the illumination, can also charge for external equipment such as cell -phones to when being used for throwing light on, the user can adjust different gears according to own needs and control the luminance of LED lamp, the LED emergency light can be used for travel campings, outdoor field cooking, bicycle lamp, car standby lighting etc. Can be used to also that the traffic police road surface is on duty, look into the car night, field work such as reconnaissance traffic police, the scene of the accident and road construction, open -air reconnaissance, emergency rescue and disaster relief, does not have electric messenger can work as the precious use of charging at the cell -phone simultaneously, has not only made things convenient for but also the practicality.
Description
Technical field
The utility model relates to technical field of LED illumination, particularly relates to a kind of Portable LED emergency light.
Background technology
Illuminating lamp is absolutely necessary in the life of people.But after the power supply of normal illumination is cut-off, emergency light has just become requisite illuminations.
Emergency light in the market, one is fire emergency lamp, is usually fixed on wall, and only use as lighting and guiding when having a power failure, this emergency light can not move, and significantly limit its scope of application; Another is the emergency light of such as flashlight and so on, this emergency light is convenient for people to carry, can be used under many circumstances throwing light on, also the brightness of lamp can be regulated, but the function of traditional flashlight is more single, only can be used for throwing light on, in some cases, such as, when the equipment such as mobile phone do not have electric, can not it be charged; And traditional flashlight needs hand-held when using, be unfavorable for that people carry out other work.
Utility model content
The purpose of this utility model is to provide a kind of Portable LED emergency light, is intended to solve traditional emergency light function singleness, only can be used for throwing light on, and can not charge to equipment such as mobile phones; And conventional flashlights needs hand-held, is unfavorable for that people carry out the problem of other work.
The utility model is achieved in that a kind of Portable LED emergency light, comprises LED string and gauge tap, bottom described Portable LED emergency light, magnet is housed, and described Portable LED emergency light also comprises:
Chargeable, accumulate, power supply carry out the power module of circuit protection;
Be connected with described LED string, gauge tap and power module respectively, control the drive control module of described LED string;
Be connected with described power module, control the management of charging and discharging module of charging and discharging;
With described management of charging and discharging model calling, be used for discharge USB interface; With
With described management of charging and discharging model calling, be used for charge micro interface.
Further, described power module comprises:
Charge and discharge control chip U1, Li battery protection IC DW01, resistance R1, resistance R2 and electric capacity C1;
The control of discharge pin OD of described Li battery protection IC DW01 is connected with the time test pin DP of described charge and discharge control chip U1; The charging of described Li battery protection IC DW01 detects pin V-by resistance R1 ground connection; The charging of described Li battery protection IC DW01 controls pin OC and is connected with the positive supply input pin VDD of described charge and discharge control chip U1 and negative supply input pin VSS respectively; The positive supply input pin VDD of described Li battery protection IC DW01 is connected with the positive pole of power supply by resistance R2; The negative supply input pin VSS of described Li battery protection IC DW01 is connected with the negative pole of power supply; Filter capacitor C1 is connected between the positive supply input pin VDD of described Li battery protection IC DW01 and negative supply input pin VSS; The charge and discharge control pin OD ground connection of described charge and discharge control chip U1.
Further, described drive control module comprises:
Microcontroller chip ET18F11M8, the first switching tube, second switch pipe, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, electric capacity C2, electric capacity C3 and electric capacity C4;
The positive supply input pin VDD of described microcontroller chip ET18F11M8 is connected with positive source; The negative supply input pin VSS ground connection of described microcontroller chip ET18F11M8; Filter capacitor C4 is connected between the positive supply input pin VDD of described microcontroller chip ET18F11M8 and negative supply input pin VSS; The described first input end PA5 of microcontroller chip ET18F11M8 is connected with the first control end of described gauge tap; The second input PA4 of described microcontroller chip ET18F11M8 is connected with the second control end of described gauge tap by resistance R3;
The control end of described first switching tube is connected with the 3rd control end PC3 of described microcontroller chip ET18F11M8 by resistance R4; The control end of described first switching tube is by resistance R5 ground connection; The cold end ground connection of described first switching tube; The hot end of described first switching tube is connected with the negative pole of described LED string with the first driving switch K1 by resistance R6 successively; The hot end of described first switching tube is connected with positive source with electric capacity C2 by resistance R6 successively; The positive pole of described LED string is connected with positive source;
The control end of described second switch pipe is connected with the four-input terminal PC7 of described microcontroller chip ET18F11M8 by resistance R7; The control end of described second switch pipe Q1 is by resistance R8 ground connection; The cold end ground connection of described second switch pipe; The hot end of described second switch pipe is connected with the negative pole of described LED string with second gear bit switch K2 by resistance R9 successively; The hot end of described second switch pipe is connected with positive source with electric capacity C3 by resistance R9 successively, and the positive pole of described LED string is connected with positive source.
Further, described management of charging and discharging module comprises:
Charge management circuit and discharging management circuit;
Described charge management circuit comprises:
Charging chip TP4056, the first indicator lamp LED1, the second indicator lamp LED2, resistance R12 and resistance R13;
The positive supply input VCC of described charging chip TP4056 is connected with the positive pole of described micro interface respectively with Enable Pin CE; The battery temperature of described charging chip TP4056 detects pin TEMP, the first power supply ground pin GND1 and second source ground pin GND2 ground connection; The charging current monitoring side PROG of described charging chip TP4056 is by resistance R12 ground connection; The battery of described charging chip TP4056 connects pin BAT and is connected with positive source;
The positive pole of described first indicator lamp LED1 is connected with the positive pole of described micro interface by current-limiting resistance R13, and the negative pole of described first indicator lamp LED1 indicates pin CH to be connected with first charged state of described charging chip TP4056;
The positive pole of described second indicator lamp LED2 is connected with the positive pole of described micro interface by current-limiting resistance R13, and the negative pole of described second indicator lamp LED2 charges with second of described charging chip TP4056 and indicates pin STBY to be connected;
Described discharging management circuit comprises:
Lithium battery boost chip FP6291, diode D1, inductance L 1, resistance R10 and resistance R11;
The power switch output pin LX of described lithium battery boost chip FP6291 is connected with the positive pole of described USB interface by diode D1, is connected by inductance L 1 with positive source simultaneously; The power supply ground pin GND ground connection of described lithium battery boost chip FP6291; The reversed input pin FB of described lithium battery boost chip FP6291 is connected respectively by the positive pole of divider resistance R10 and resistance R11 and described USB interface and negative pole; The enable control pin EN of described lithium battery boost chip FP6291 is connected with positive source respectively with positive supply input pin VCC.
Further, described first switching tube adopts N-type metal-oxide-semiconductor Q1, the grid of described N-type metal-oxide-semiconductor Q1 is the control end of described first switching tube, and the drain electrode of described N-type metal-oxide-semiconductor Q1 is the hot end of described first switching tube, and the source electrode of described N-type metal-oxide-semiconductor Q1 is the cold end of described first switching tube.
Further, described second switch pipe adopts N-type metal-oxide-semiconductor Q2, the grid of described N-type metal-oxide-semiconductor Q2 is the control end of described second switch pipe, and the drain electrode of described N-type metal-oxide-semiconductor Q2 is the hot end of described second switch pipe, and the source electrode of described N-type metal-oxide-semiconductor Q2 is the cold end of described second switch pipe.
Further, described first switching tube adopts NPN type triode Q3, the base stage of described NPN type triode Q3 is the control end of described first switching tube, the hot end of very described first switching tube of current collection of described NPN type triode Q3, the cold end of very described first switching tube of transmitting of described NPN type triode Q3.
Further, described second switch pipe adopts NPN type triode Q4, the base stage of described NPN type triode Q4 is the control end of described second switch pipe, the hot end of the very described second switch pipe of current collection of described NPN type triode Q4, the cold end of the very described second switch pipe of transmitting of described NPN type triode Q4.
In embodiment of the present utility model, bottom described Portable LED emergency light, magnet is housed, can be adsorbed on ironwork surface and throw light on, also directly can portably use, not limit by place; The built-in power module of this LED emergency light is a portable power source integrating the modules such as charging, accumulate, electric discharge management simultaneously, not only may be used for illumination, can also charge to external equipments such as mobile phones, and when for throwing light on, user can regulate different gear to control the brightness of described LED according to self-demand; This LED emergency light may be used for travelling camping, outdoor picnic, dynamo lighting set, automobile standby illumination etc., also can be used for that traffic police road surface is on duty, night looks into car, prospecting traffic police, the field work such as the scene of the accident and road construction, ground observation, rescue and relief work, do not have electricity to make to work as charger baby at mobile phone to use simultaneously, convenient and practical.
Accompanying drawing explanation
Fig. 1 is the first outline drawing of the Portable LED emergency light that the utility model embodiment provides;
Fig. 2 is the second outline drawing of the Portable LED emergency light that the utility model embodiment provides;
Fig. 3 is the module map of the Portable LED emergency light that the utility model embodiment provides;
Fig. 4 is the circuit diagram of the Portable LED emergency light that the utility model first embodiment provides;
Fig. 5 is the circuit diagram of the Portable LED emergency light that the utility model second embodiment provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the first outline drawing of the Portable LED emergency light that the utility model embodiment provides, and Fig. 2 shows the second outline drawing of the Portable LED emergency light that the utility model embodiment provides.For convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
Magnet 8 is housed bottom described Portable LED lamp, and can be adsorbed on ironwork surface and be used for throwing light on, described Portable LED lamp side is provided with USB interface 6 and micro interface 7, can power to equipment such as mobile phones, and described Portable LED lamp opposite side is provided with gauge tap 5.
Fig. 3 shows the module map of the Portable LED emergency light that the utility model embodiment provides.For convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
Described Portable LED emergency light, comprises driver module 1, power module 2, management of charging and discharging module 3, LED string 4, gauge tap 5, USB interface 6 and micro interface 7; Described driver module 1 is connected with described power module 2 respectively with described management of charging and discharging module 3; Described LED string 4 is connected with described driver module 1 respectively with described gauge tap 5; Described USB interface 6 is connected with described management of charging and discharging module 3 respectively with described micro interface 7; Described gauge tap 5 controls described LED string 4 by described drive control module 1, namely can be controlled the opening and closing of LED string 4 by described gauge tap 5, also can regulate the brightness of described LED string; Described USB interface 6 can connect external equipment, charges to equipment such as mobile phones; Described micro interface 5 can connect external power source and charge to self.
Fig. 4 shows the circuit diagram of the Portable LED emergency light that the utility model first embodiment provides.For convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
Described power module 2 comprises: charge and discharge control chip U1 and Li battery protection IC DW01;
As the first embodiment of the present utility model; described Li battery protection IC DW01 is a Li battery protection IC; can effectively avoid lithium battery cause because overcharge, overdischarge and electric current are excessive shorter battery life or battery damaged, there is voltage detecting and the time delay circuit of degree of precision.
The control of discharge pin OD of described Li battery protection IC DW01 is connected with the time test pin DP of described charge and discharge control chip U1; The charging of described Li battery protection IC DW01 detects pin V-by resistance R1 ground connection; The charging of described Li battery protection IC DW01 controls pin OC and is connected with the positive supply input pin VDD of described charge and discharge control chip U1 and negative supply input pin VSS respectively; The positive supply input pin VDD of described Li battery protection IC DW01 is connected with the positive pole of power supply by resistance R2; The negative supply input pin VSS of described Li battery protection IC DW01 is connected with the negative pole of power supply; Filter capacitor C1 is connected between the positive supply input pin VDD of described Li battery protection IC DW01 and negative supply input pin VSS; The charge and discharge control pin OD ground connection of described charge and discharge control chip U1.
Described body drive control module 1 comprises: microcontroller chip ET18F11M8, N-type metal-oxide-semiconductor Q1, N-type metal-oxide-semiconductor Q2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, electric capacity C2, electric capacity C3 and electric capacity C4;
The positive supply input pin VDD of described microcontroller chip ET18F11M8 is connected with positive source; The negative supply input pin VSS ground connection of described microcontroller chip ET18F11M8; Filter capacitor C4 is connected between the positive supply input pin VDD of described microcontroller chip ET18F11M8 and negative supply input pin VSS; The described first input end PA5 of microcontroller chip ET18F11M8 is connected with the first control end of described gauge tap; The second input PA4 of described microcontroller chip ET18F11M8 is connected with the second control end of described gauge tap by resistance R3;
The grid of described N-type metal-oxide-semiconductor Q1 is connected with the 3rd control end PC3 of described microcontroller chip ET18F11M8 by resistance R4; The grid of described N-type metal-oxide-semiconductor Q1 is by resistance R5 ground connection; The source ground of described N-type metal-oxide-semiconductor Q1; The drain electrode of described N-type metal-oxide-semiconductor Q1 is connected with the negative pole of described LED string with the first driving switch K1 by resistance R6 successively; The drain electrode of described N-type metal-oxide-semiconductor Q1 is connected with positive source with electric capacity C2 by resistance R6 successively; The positive pole of described LED string is connected with positive source;
The grid of described N-type metal-oxide-semiconductor Q2 is connected with the four-input terminal PC7 of described microcontroller chip ET18F11M8 by resistance R7; The grid of described N-type metal-oxide-semiconductor Q2 is by resistance R8 ground connection; The source ground of described N-type metal-oxide-semiconductor Q2; The drain electrode of described N-type metal-oxide-semiconductor Q2 is connected with the negative pole of described LED string with second gear bit switch K2 by resistance R9 successively; The drain electrode of described N-type metal-oxide-semiconductor Q2 is connected with positive source with electric capacity C3 by resistance R9 successively, and the positive pole of described LED string is connected with positive source.
When using as emergency light, described power module 2 is powered to described drive control module 1, controls closedown and the brightness of described LED string by described gauge tap 11; First time, when pressing described gauge tap 11, described LED string was lighted by described drive control module, and now brightness is 100%; When second time presses described gauge tap 11, brightness is for becoming 60%; Third time, when pressing described gauge tap 11, brightness became 30%; When pressing described gauge tap 11 the 4th time, become warning flashing light, every flicker in a second once; Again press described gauge tap 11, then can close described LED string.Described gauge tap 11 can also use as indicator lamp, if described gauge tap 11 blinking red lamp, shows a little to show that battery low level is under-voltage, needs to charge.
Described management of charging and discharging module 3 comprises: charge management circuit 31 and discharging management circuit 32;
Described charge management circuit 31 comprises: charging chip TP4056, the first indicator lamp LED1, the second indicator lamp LED2, resistance R12 and resistance R13;
Described charging chip TP4056 is specially lithium ion battery and the linear charger circuit that designs, utilizes the power transistor of chip internal to carry out constant current and constant-voltage charge to battery.Maximum lasting charging current can reach 1A, does not need additional Current Limiting Diodes and current sense resistor.
The positive supply input VCC of described charging chip TP4056 is connected with the positive pole of described micro interface respectively with Enable Pin CE; The battery temperature of described charging chip TP4056 detects pin TEMP, the first power supply ground pin GND1 and second source ground pin GND2 ground connection; The charging current monitoring side PROG of described charging chip TP4056 is by resistance R12 ground connection; The battery of described charging chip TP4056 connects pin BAT and is connected with positive source;
The positive pole of described first indicator lamp LED1 is connected with the positive pole of described micro interface by current-limiting resistance R13, and the negative pole of described first indicator lamp LED1 indicates pin CH to be connected with first charged state of described charging chip TP4056;
The positive pole of described second indicator lamp LED2 is connected with the positive pole of described micro interface by current-limiting resistance R13, and the negative pole of described second indicator lamp LED2 charges with second of described charging chip TP4056 and indicates pin STBY to be connected.
When external charger DC5V/1A is inserted into micro interface, or when USB computer interface is inserted into micro, now described first indicator lamp LED1 (red light) is long bright, namely represent and charging to internal electric source, described charge management circuit can regulate charging current (current limliting 1A) automatically according to the voltage of lithium battery; When internal electric source is full of electricity, described second indicator lamp LED2 (green light) is long bright, namely represents charging complete.
Described discharging management circuit 32 comprises: lithium battery boost chip FP6291, diode D1, inductance L 1, resistance R10 and resistance R11; Described chip FP6291 is the boost DC-DC converter of a current-mode, and output voltage is upgraded to 5V, and output current is 1A;
The power switch output pin LX of described lithium battery boost chip FP6291 is connected with the positive pole of described USB interface by diode D1, is connected by inductance L 1 with positive source simultaneously; The power supply ground pin GND ground connection of described lithium battery boost chip FP6291; The reversed input pin FB of described lithium battery boost chip FP6291 is connected respectively by the positive pole of divider resistance R10 and resistance R11 and described USB interface and negative pole; The enable control pin EN of described lithium battery boost chip FP6291 is connected with positive source respectively with positive supply input pin VCC.
Fig. 5 shows the circuit diagram of the Portable LED emergency light that the utility model second embodiment provides.For convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
As the second embodiment of the present utility model, the scheme adopted is identical with the first embodiment, and only the N-type metal-oxide-semiconductor Q1 of the first embodiment is changed to NPN type triode Q3, N-type metal-oxide-semiconductor Q2 is changed to NPN type triode Q4; The grid of N-type metal-oxide-semiconductor Q1 is equivalent to the base stage of NPN type triode Q3, and the drain electrode of N-type metal-oxide-semiconductor Q1 is equivalent to the colelctor electrode of NPN type triode Q3, and the source electrode of N-type metal-oxide-semiconductor Q1 is equivalent to the emitter stage of NPN type triode Q3; The grid of N-type metal-oxide-semiconductor Q2 is equivalent to the base stage of NPN type triode Q4, and the drain electrode of N-type metal-oxide-semiconductor Q2 is equivalent to the colelctor electrode of NPN type triode Q4, and the source electrode of N-type metal-oxide-semiconductor Q2 is equivalent to the emitter stage of NPN type triode Q4.
In embodiment of the present utility model, bottom described Portable LED emergency light, magnet is housed, can be adsorbed on ironwork surface and throw light on, also directly can portably use, not limit by place; The built-in power module of this LED emergency light is a portable power source integrating the modules such as charging, accumulate, electric discharge management simultaneously, not only may be used for illumination, can also charge to external equipments such as mobile phones, and when for throwing light on, user can regulate different gear to control the brightness of described LED according to self-demand; This LED emergency light may be used for travelling camping, outdoor picnic, dynamo lighting set, automobile standby illumination etc., also can be used for that traffic police road surface is on duty, night looks into car, prospecting traffic police, the field work such as the scene of the accident and road construction, ground observation, rescue and relief work, do not have electricity to make to work as charger baby at mobile phone to use simultaneously, convenient and practical.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a Portable LED emergency light, comprises LED string and gauge tap, it is characterized in that, bottom described Portable LED emergency light, magnet is housed, and described Portable LED emergency light also comprises:
Chargeable, accumulate, power supply carry out the power module of circuit protection;
Be connected with described LED string, gauge tap and power module respectively, control the drive control module of described LED string;
Be connected with described power module, control the management of charging and discharging module of charging and discharging;
With described management of charging and discharging model calling, be used for discharge USB interface; With
With described management of charging and discharging model calling, be used for charge micro interface.
2. Portable LED emergency light as claimed in claim 1, it is characterized in that, described power module comprises:
Charge and discharge control chip U1, Li battery protection IC DW01, resistance R1, resistance R2 and electric capacity C1;
The control of discharge pin OD of described Li battery protection IC DW01 is connected with the time test pin DP of described charge and discharge control chip U1; The charging of described Li battery protection IC DW01 detects pin V-by resistance R1 ground connection; The charging of described Li battery protection IC DW01 controls pin OC and is connected with the positive supply input pin VDD of described charge and discharge control chip U1 and negative supply input pin VSS respectively; The positive supply input pin VDD of described Li battery protection IC DW01 is connected with the positive pole of power supply by resistance R2; The negative supply input pin VSS of described Li battery protection IC DW01 is connected with the negative pole of power supply; Filter capacitor C1 is connected between the positive supply input pin VDD of described Li battery protection IC DW01 and negative supply input pin VSS; The charge and discharge control pin OD ground connection of described charge and discharge control chip U1.
3. Portable LED emergency light as claimed in claim 1, it is characterized in that, described drive control module comprises:
Microcontroller chip ET18F11M8, the first switching tube, second switch pipe, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, electric capacity C2, electric capacity C3 and electric capacity C4;
The positive supply input pin VDD of described microcontroller chip ET18F11M8 is connected with positive source; The negative supply input pin VSS ground connection of described microcontroller chip ET18F11M8; Filter capacitor C4 is connected between the positive supply input pin VDD of described microcontroller chip ET18F11M8 and negative supply input pin VSS; The described first input end PA5 of microcontroller chip ET18F11M8 is connected with the first control end of described gauge tap; The second input PA4 of described microcontroller chip ET18F11M8 is connected with the second control end of described gauge tap by resistance R3;
The control end of described first switching tube is connected with the 3rd control end PC3 of described microcontroller chip ET18F11M8 by resistance R4; The control end of described first switching tube is by resistance R5 ground connection; The cold end ground connection of described first switching tube; The hot end of described first switching tube is connected with the negative pole of described LED string with the first driving switch K1 by resistance R6 successively; The hot end of described first switching tube is connected with positive source with electric capacity C2 by resistance R6 successively; The positive pole of described LED string is connected with positive source;
The control end of described second switch pipe is connected with the four-input terminal PC7 of described microcontroller chip ET18F11M8 by resistance R7; The control end of described second switch pipe Q1 is by resistance R8 ground connection; The cold end ground connection of described second switch pipe; The hot end of described second switch pipe is connected with the negative pole of described LED string with second gear bit switch K2 by resistance R9 successively; The hot end of described second switch pipe is connected with positive source with electric capacity C3 by resistance R9 successively, and the positive pole of described LED string is connected with positive source.
4. Portable LED emergency light as claimed in claim 1, it is characterized in that, described management of charging and discharging module comprises:
Charge management circuit and discharging management circuit;
Described charge management circuit comprises:
Charging chip TP4056, the first indicator lamp LED1, the second indicator lamp LED2, resistance R12 and resistance R13;
The positive supply input VCC of described charging chip TP4056 is connected with the positive pole of described micro interface respectively with Enable Pin CE; The battery temperature of described charging chip TP4056 detects pin TEMP, the first power supply ground pin GND1 and second source ground pin GND2 ground connection; The charging current monitoring side PROG of described charging chip TP4056 is by resistance R12 ground connection; The battery of described charging chip TP4056 connects pin BAT and is connected with positive source;
The positive pole of described first indicator lamp LED1 is connected with the positive pole of described micro interface by current-limiting resistance R13, and the negative pole of described first indicator lamp LED1 indicates pin CH to be connected with first charged state of described charging chip TP4056;
The positive pole of described second indicator lamp LED2 is connected with the positive pole of described micro interface by current-limiting resistance R13, and the negative pole of described second indicator lamp LED2 charges with second of described charging chip TP4056 and indicates pin STBY to be connected;
Described discharging management circuit comprises:
Lithium battery boost chip FP6291, diode D1, inductance L 1, resistance R10 and resistance R11;
The power switch output pin LX of described lithium battery boost chip FP6291 is connected with the positive pole of described USB interface by diode D1, is connected by inductance L 1 with positive source simultaneously; The power supply ground pin GND ground connection of described lithium battery boost chip FP6291; The reversed input pin FB of described lithium battery boost chip FP6291 is connected respectively by the positive pole of divider resistance R10 and resistance R11 and described USB interface and negative pole; The enable control pin EN of described lithium battery boost chip FP6291 is connected with positive source respectively with positive supply input pin VCC.
5. Portable LED emergency light as claimed in claim 3, it is characterized in that, described first switching tube adopts N-type metal-oxide-semiconductor Q1, the grid of described N-type metal-oxide-semiconductor Q1 is the control end of described first switching tube, the drain electrode of described N-type metal-oxide-semiconductor Q1 is the hot end of described first switching tube, and the source electrode of described N-type metal-oxide-semiconductor Q1 is the cold end of described first switching tube.
6. Portable LED emergency light as claimed in claim 3, it is characterized in that, described second switch pipe adopts N-type metal-oxide-semiconductor Q2, the grid of described N-type metal-oxide-semiconductor Q2 is the control end of described second switch pipe, the drain electrode of described N-type metal-oxide-semiconductor Q2 is the hot end of described second switch pipe, and the source electrode of described N-type metal-oxide-semiconductor Q2 is the cold end of described second switch pipe.
7. Portable LED emergency light as claimed in claim 3, it is characterized in that, described first switching tube adopts NPN type triode Q3, the base stage of described NPN type triode Q3 is the control end of described first switching tube, the hot end of very described first switching tube of current collection of described NPN type triode Q3, the cold end of very described first switching tube of transmitting of described NPN type triode Q3.
8. Portable LED emergency light as claimed in claim 3, it is characterized in that, described second switch pipe adopts NPN type triode Q4, the base stage of described NPN type triode Q4 is the control end of described second switch pipe, the hot end of the very described second switch pipe of current collection of described NPN type triode Q4, the cold end of the very described second switch pipe of transmitting of described NPN type triode Q4.
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| CN201520495591.4U CN204879471U (en) | 2015-07-10 | 2015-07-10 | Portable LED emergency light |
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| CN201520495591.4U CN204879471U (en) | 2015-07-10 | 2015-07-10 | Portable LED emergency light |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451605A (en) * | 2016-08-30 | 2017-02-22 | 聚动（厦门）科技有限公司 | Earphone charging device with flashlight function |
| CN107606532A (en) * | 2017-09-26 | 2018-01-19 | 广西民族大学 | One kind is without base stage lamp |
| CN110823877A (en) * | 2019-11-25 | 2020-02-21 | 珠海丽珠试剂股份有限公司 | Stable light source |
| CN111556606A (en) * | 2020-05-15 | 2020-08-18 | 深圳市闪耀智联科技有限公司 | Optical fiber electric embroidery luminous sheet |
-
2015
- 2015-07-10 CN CN201520495591.4U patent/CN204879471U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451605A (en) * | 2016-08-30 | 2017-02-22 | 聚动（厦门）科技有限公司 | Earphone charging device with flashlight function |
| CN107606532A (en) * | 2017-09-26 | 2018-01-19 | 广西民族大学 | One kind is without base stage lamp |
| CN110823877A (en) * | 2019-11-25 | 2020-02-21 | 珠海丽珠试剂股份有限公司 | Stable light source |
| CN111556606A (en) * | 2020-05-15 | 2020-08-18 | 深圳市闪耀智联科技有限公司 | Optical fiber electric embroidery luminous sheet |
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