CN210053623U - Movable outdoor emergency lamp - Google Patents
Movable outdoor emergency lamp Download PDFInfo
- Publication number
- CN210053623U CN210053623U CN201822191565.9U CN201822191565U CN210053623U CN 210053623 U CN210053623 U CN 210053623U CN 201822191565 U CN201822191565 U CN 201822191565U CN 210053623 U CN210053623 U CN 210053623U
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- circuit
- charging
- control chip
- battery
- emergency light
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to a can regard as portable outdoor emergency light that battery charging outfit used. The circuit comprises: the LED lamp comprises a power interface, a rechargeable battery, a luminous body, a USB interface, a control chip, a control switch group and an indicator lamp group, wherein the power interface is used for being connected with an external power supply, the luminous body is used for lighting, the USB interface is used for charging, the control chip is used for controlling a circuit, and the control switch group and the indicator lamp group are connected with pins of the control chip; the control chip voltage stabilizing circuit is connected with the battery; the USB interface is connected with the battery and the control chip through a USB charging circuit. The utility model discloses not only can provide emergent mobile lighting for the user in the open air to it can also be through the battery of self for external electronic equipment charges. The utility model discloses can the wide application in various different environments such as building site construction, fitment, auto repair, field work operation, mountain-climbing outing.
Description
The technical field is as follows:
the utility model relates to an outdoor emergency light product technical field refers in particular to a portable outdoor emergency light that can regard as battery charging outfit to use.
Background art:
in outdoor operation, in order to facilitate mobile lighting, operators usually carry mobile outdoor emergency lamps. A rechargeable battery is arranged in a traditional movable outdoor illuminating lamp, and a power supply is provided for a luminous body through the rechargeable battery. However, with the popularization of mobile electronic devices such as mobile phones, people are often bothered with charging mobile phones when working outdoors, and although one problem can be solved by a mobile charger, carrying a mobile charger additionally increases the burden on outdoor workers. Therefore, the present inventors have proposed the following means.
The utility model has the following contents:
the utility model aims to solve the technical problem that overcome the not enough of current product, provide a portable outdoor emergency light that can regard as battery charging outfit to use.
In order to solve the technical problem, the utility model discloses a following technical scheme: a portable outdoor emergency light, the circuitry comprising: the LED lamp comprises a power interface, a rechargeable battery, a luminous body, a USB interface, a control chip, a control switch group and an indicator lamp group, wherein the power interface is used for being connected with an external power supply, the luminous body is used for lighting, the USB interface is used for charging, the control chip is used for controlling a circuit, and the control switch group and the indicator lamp group are connected with pins of the control chip; the control chip voltage stabilizing circuit is connected with the battery; the USB interface is connected with the battery and the control chip through a USB charging circuit.
Further, in the above technical solution, the circuit of the emergency lamp further includes a charging detection line.
Further, in the above technical solution, the charging detection circuit includes a charging logic judgment circuit, and the charging logic judgment circuit is connected between the USB interface and the control chip, and includes: resistors R32, R28, R33 and a capacitor C7.
Further, in the above technical solution, the charging detection circuit includes a voltage division detection circuit, the voltage division detection circuit is connected between the MOS transistor Q1 and the control chip, and the voltage division detection circuit includes: MOS transistor Q3, and voltage dividing resistors R13 and R14 connected to MOS transistor Q3.
Further, in the above technical solution, the voltage stabilizing circuit is a three-terminal regulator.
Further, in the above technical solution, the boost circuit is connected to a control switch chip U2, and the control switch chip U2 is connected to the control chip, and the control chip controls whether the control switch chip U2 is turned on or off.
Further, in the above technical solution, the USB charging circuit includes: the charging control circuit, the charging filter circuit, the charging detection circuit and the secondary filter circuit.
Furthermore, in the above technical solution, the charging control circuit is composed of two MOS transistors Q4 and Q6
Furthermore, in the above technical solution, the charging filter circuit is composed of an electrolytic capacitor EC 3; the charge detection circuit is constituted by a charge detection chip U5.
Furthermore, in the above technical solution, the secondary filter circuit is a pi-shaped secondary filter circuit composed of a coil L1 and an electrolytic capacitor EC 4.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses not only can provide emergent mobile lighting for the user in the open air to it can also be through the battery of self for external electronic equipment charges. The utility model discloses can the wide application in various different environments such as building site construction, fitment, auto car maintenance, field construction operation, mountain-climbing outing.
Description of the drawings:
fig. 1 is a circuit diagram of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
The utility model relates to a portable outdoor emergency light, it is shown in figure 1, this the utility model discloses the circuit diagram, the circuit of this emergency light includes: the device comprises a power interface 1, a battery 2, a luminous body 3, a UBS interface 4, a control chip 5, a control switch group 6 and an indicator light group 7.
Power source 1 be used for the utility model discloses be connected with external power source, thereby it is right to realize charging and the power supply of the practicality.
The battery 2 can be a rechargeable battery.
The luminous body 3 adopts a COB light source. The COB light source is a high-light-efficiency integrated surface light source technology which directly pastes an LED chip on a mirror surface metal substrate with high light reflection rate. Luminous body 3 adopts the COB light source can practice thrift the energy consumption, improves illumination luminance simultaneously.
UBS interface 4 be used for through the utility model discloses the interface that charges carries out the external equipment, it adopts traditional USB interface can.
The control chip 5 adopts a single chip microcomputer (MCU-P134), and the functions of emergency mobile lighting, charging and the like are completed through the control chip and peripheral circuits.
Control switch group 6 is the setting and is in the utility model discloses surperficial button control switch triggers control chip 5 through control switch group 6's key control and makes corresponding response, accomplishes the instruction that corresponds. The control switch 6 is directly connected with the pin of the control chip 5, and comprises: a lamp switch S2, a brightness increase switch S3, a brightness decrease switch S4, and a USB switch S5.
The indicator light set 7 is a set of LED display lights, which are directly connected to corresponding pins of the control chip 5 through a resistor, and is used for displaying charging and discharging information. Which includes a power indicator light group 71 and a brightness indicator light 72.
The circuit of the present invention will be further described with reference to fig. 1 by explaining the operation principle of the present invention.
First, the working principle of the charging state.
1. An external power supply is input through the power interface 1, current passes through the two MOS tubes Q1 and Q2 and is connected with the battery 2, and a charging loop is formed after the current passes through the negative electrode of the battery 2, so that the charging of the battery 2 is completed.
2. An external power supply is input through the power interface 1, a resistor R1 is connected with the power interface 1, meanwhile, the other end of the resistor R1 is connected to a charging logic judgment circuit 81 through an 8 th pin in the circuit interfaces J1 and J2, and the output end of the charging logic judgment circuit 81 is connected to a 10 th pin of the control chip 5. The charge logic judgment circuit 81 is composed of: a resistor R32, a resistor R28, a resistor R33 and a capacitor C7. The control chip 5 determines whether the power interface 1 is conducted with an external power source through the charging logic determination circuit 81, and supplies power to the load through the power interface 1.
3. An external power supply is input through the power interface 1, and current passes through the first MOS tube Q1, then passes through the resistors R2 and R3, and is output to the voltage division detection circuit 82, and then is connected to the control chip 5 through the 7 th pins in the circuit interfaces J1 and J2. The voltage division detection circuit 82 includes a MOS transistor Q3, and voltage division resistors R13 and R14 connected to the MOS transistor Q3.
4. An external power supply is input through the power interface 1, and current passes through the first MOS transistor Q1, then passes through the resistor R2-1, enters the standby detection circuit 83, and then is connected to the 3 rd pin in the control chip 5 through the 4 th pins in the circuit interfaces J1 and J2. The third detection circuit 83 includes a MOS transistor Q5, and resistors R30 and R31 connected to the MOS transistor Q3. The third detection circuit 83 can be used for standby detection, such as detection of program burning of the control chip 5.
The above-mentioned charge logic decision circuit 81, partial pressure detection circuit 82, third detection circuit 83 constitute the utility model discloses a charge detection circuit 8. The line under charge is detected by the charge detection line 8.
And secondly, the working principle of battery power supply.
When power source 1 is not connected with external power source, the utility model discloses a battery 2 supplies power, and its power supply principle is as follows:
the battery 2 is connected to a constant voltage circuit 51 through 1 pin of the circuit interfaces J1 and J2, and the constant voltage circuit 51 is connected to the 2 nd pin of the control chip 5 and grounded through the 23 rd pin of the control chip 5 to form a loop. The voltage stabilizing circuit 51 adopts a three-terminal regulator U2(HT7533), and the three-terminal regulator divides the input voltage and outputs 3.3 v of operating voltage to the 2 nd pin of the control chip 5.
The battery 2 is connected with the luminous body 3 through a boosting circuit 21 and a rectifying and voltage stabilizing circuit, the boosting circuit 21 is connected with a control switch chip U2(XL 6006), and meanwhile, the control switch chip U2 is connected to a 12 th pin of the control chip 5 through pins in circuit interfaces J1 and J2. The control chip 5 is used for controlling the conduction of the booster circuit. For example, when the lamp needs to be turned on, the lamp switch S2 is pressed, and the switch S2 generates a square wave signal to the control chip 5 to trigger the control chip 5. The 12 th pin in the control chip 5 converts the high level of the input into the low level, thereby triggering the control switch chip U2 to conduct. At this time, the booster circuit 21 is turned on, the voltage input from the battery 2 is boosted by the booster coil L1 in the booster circuit 21, rectified by the diode D1, and stabilized by the zener diode ZD1, and then the power is supplied to the light emitter 3 through the power resistors R8, R9, R10, R11, R12, and the electrolytic capacitor EC2, and at this time, the light emitter 3 is turned on. Meanwhile, the control chip 5 outputs a low level to the charge indicator lamp set 71 through the pin, and the charge indicator lamp set 71 is all on and gradually goes off as the amount of electricity decreases. In addition, at this time, the brightness of the luminous body can be adjusted by activating the brightness increasing switch S3 and the brightness decreasing switch S4, and the brightness degree is displayed by the number of lighting in the brightness indicating lamp group 72.
Charging principle of USB interface 4
The USB interface 4 is connected with the battery 2 and the control chip 5 through a USB charging circuit 40. The USB charging circuit 40 includes: the charging control circuit, the charging filter circuit, the charging detection circuit and the secondary filter circuit. The charging control circuit mainly comprises two MOS tubes Q4 and Q6. The charge filter circuit is constituted by an electrolytic capacitor EC3(100UF/25V), and the charge detection circuit is constituted by a charge detection chip U5(CS 5602). The secondary filter circuit is a pi-shaped secondary filter circuit consisting of a coil L1(CD75-33UH) and an electrolytic capacitor EC4(470 UF/10V). The output current of the battery 2 sequentially passes through the charging control circuit, the charging filter circuit, the charging detection circuit and the secondary filter circuit, and then is shunted and reduced in voltage to supply power to the USB interface 4.
The output end of the battery 2 is connected with the charging control circuit, when the USB interface 4 is needed to charge external electronic equipment (such as a mobile phone), the USB switch S5 is pressed, and the USB switch S5 generates a square wave signal to the control chip 5 to trigger the control chip 5. Pin 13 in the control chip 5 will output a high level and at the same time will light up the USB indicator LED52 on this pin 13. The high level output from the 13 th pin of the control chip 5 is output to the charging control circuit through pins corresponding to the circuit interfaces J1 and J2, and triggers Q6 to be turned on, and the battery 2 starts to supply power. The output current of the battery 2 sequentially passes through the charging control circuit, the charging filter circuit, the charging detection circuit and the secondary filter circuit, and then is shunted and reduced in voltage to supply power to the USB interface 4.
In addition, when power source 1 and external power source connected state, the utility model discloses well luminous element 3 and USB charge interface 4 all are direct through the external power source power supply. The specific working principle is as follows:
when the power interface 1 is connected with an external power supply, the lamp switch S2 is pressed, and at this time, the external power supply is input through the power interface 1, passes through the MOS transistors Q1, Q2 and the battery 2, is boosted through the boosting coil L1 in the boosting circuit 21, is rectified through the diode D1, is stabilized by the voltage stabilizing diode ZD1, and then supplies power to the light emitter 3 through the power resistors R8-R12 and the electrolytic capacitor EC2, and at this time, the light emitter 3 is turned on.
When the power interface 1 is connected with an external power supply, the USB switch S5 is pressed, and at this time, the external power supply is input through the power interface 1, passes through the MOS transistors Q1, Q2, the battery 2, passes through the MOS transistor Q6, passes through the charging filter circuit, the charging detection circuit, and the secondary filter circuit in sequence, and is supplied to the USB interface 4 through shunt voltage reduction.
To sum up, the utility model discloses not only can provide emergent mobile lighting for the user in the open air to it can also be through the battery 2 of self for external electronic equipment charges. The utility model discloses can the wide application in various different environments such as building site construction, fitment, auto repair, field work operation, mountain-climbing outing.
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. A portable outdoor emergency light, the emergency light circuit comprising: the device comprises a power interface (1) for connecting with an external power supply, a rechargeable battery (2), a luminous body (3) for lighting, a USB interface (4) for charging, a control chip (5) for controlling a circuit, and a control switch group (6) and an indicator lamp group (7) which are connected with pins of the control chip (5), and is characterized in that:
the power interface (1) is connected with the battery (2) through MOS tubes Q1 and Q2, and the battery (2) is connected with the luminous body (3) through a booster circuit (21) and a rectification voltage-stabilizing circuit;
the control chip (5) is connected with the battery (2) through a voltage stabilizing circuit (51);
the USB interface (4) is connected with the battery (2) and the control chip (5) through a USB charging circuit (40).
2. A portable outdoor emergency light according to claim 1, wherein: the circuit of the emergency lamp also comprises a charging detection circuit (8).
3. A portable outdoor emergency light according to claim 2, further comprising: the charging detection circuit (8) comprises a charging logic judgment circuit (81), the charging logic judgment circuit (81) is connected between the USB interface (4) and the control chip (5), and the charging logic judgment circuit comprises: resistors R32, R28, R33 and a capacitor C7.
4. A portable outdoor emergency light according to claim 2, further comprising: the charging detection circuit (8) comprises a partial voltage detection circuit (82), the partial voltage detection circuit (82) is connected between the MOS tube Q1 and the control chip (5), and the partial voltage detection circuit (82) comprises: MOS transistor Q3, and voltage dividing resistors R13 and R14 connected to MOS transistor Q3.
5. A portable outdoor emergency light according to claim 1, wherein: the voltage stabilizing circuit (51) is a three-terminal regulator.
6. A portable outdoor emergency light according to claim 1, wherein: the boost circuit (21) is connected with a control switch chip U2, the control switch chip U2 is connected to the control chip (5), and the control switch chip U2 is controlled to be switched on or off through the control chip (5).
7. A portable outdoor emergency light according to any one of claims 1 to 6, wherein: the USB charging circuit (40) comprises: the charging control circuit, the charging filter circuit, the charging detection circuit and the secondary filter circuit.
8. A portable outdoor emergency light according to claim 7, wherein: the charging control circuit is composed of two MOS tubes Q4 and Q6.
9. A portable outdoor emergency light according to claim 7, wherein: the charging filter circuit is composed of an electrolytic capacitor EC 3; the charge detection circuit is constituted by a charge detection chip U5.
10. A portable outdoor emergency light according to claim 7, wherein: the secondary filter circuit is a pi-shaped secondary filter circuit consisting of a coil L1 and an electrolytic capacitor EC 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822191565.9U CN210053623U (en) | 2018-12-25 | 2018-12-25 | Movable outdoor emergency lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822191565.9U CN210053623U (en) | 2018-12-25 | 2018-12-25 | Movable outdoor emergency lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210053623U true CN210053623U (en) | 2020-02-11 |
Family
ID=69377621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822191565.9U Expired - Fee Related CN210053623U (en) | 2018-12-25 | 2018-12-25 | Movable outdoor emergency lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210053623U (en) |
-
2018
- 2018-12-25 CN CN201822191565.9U patent/CN210053623U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 Termination date: 20211225 |