Portable illuminating lamp

Abstract

The utility model discloses a portable illuminating lamp which comprises a wireless charging base and an illuminating lamp body, the illuminating lamp body is arranged on the wireless charging base, and a power supply circuit used for supplying power to the illuminating lamp body is arranged in the wireless charging base. The utility model solves the problem in the prior art that a user often faces battery exhaustion or needs to carry a standby battery, improves the use convenience, and can be suitable for various application scenes.

Description

Technical Field

[0001] The utility model relates to the technical field of lighting circuits, in particular to a portable lighting lamp. Background Art

[0002] Traditional portable lighting devices usually rely on batteries, so they need to be replaced or recharged regularly. Although these devices provide lighting, users often face the problem of battery exhaustion or need to carry spare batteries. In addition, battery charging usually requires connecting to a power source using a charging cable, which is not convenient when you need to take it outside or illuminate a dim environment indoors.

[0003] At the same time, wireless charging technology has made significant progress in the field of mobile devices, allowing users to easily charge mobile phones, tablets and other electronic devices. However, there is no way to integrate wireless charging technology with portable lighting devices. Utility Model Content

[0004] The main purpose of the utility model is to propose a portable lighting circuit integrating wireless charging technology, which combines lighting and wireless charging functions to be suitable for various application scenarios.

[0005] To achieve the above-mentioned purpose, the utility model proposes a portable lighting lamp, comprising: a wireless charging base and a lighting lamp, wherein the lighting lamp is arranged on the wireless charging base, and a power supply circuit for supplying power to the lighting lamp is arranged in the wireless charging base.

[0006] A further technical solution of the utility model is that the power supply circuit includes a voltage stabilizing circuit, a driving magnetic induction coil circuit, an LED circuit, a power supply voltage detection circuit, a temperature detection circuit and a main control circuit, and the voltage stabilizing circuit, the driving magnetic induction coil circuit, the LED circuit, the power supply voltage detection circuit and the temperature detection circuit are respectively connected to the main control circuit.

[0007] A further technical solution of the utility model is that the voltage stabilizing circuit includes a charging interface, a resistor RA1, a resistor RB1, a capacitor C4, a capacitor C5 and a chip U1, one end of the resistor RA1 is connected to pin 3 of the charging interface, one end of the resistor RB1 is connected to pin 4 of the charging interface, the other end of the resistor RA1 is connected to the other end of the resistor RB1, the other end of the capacitor C4, the other end of the capacitor C5, and pin 1 of the chip U1, and is grounded, one end of the capacitor C4 is connected to pin 5 of the charging interface and pin 2 of the chip U1, and the other end of the capacitor C5 is connected to pin 3 of the chip U1 and pin 1 of the main control circuit.

[0008] A further technical solution of the utility model is that the driving magnetic induction coil circuit includes a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C6, an inductor L1, a resistor R3, a resistor R4, a resistor R7 and a MOS tube Q1, one end of the resistor R4 is connected to the pin 6 of the main control circuit and the gate of the MOS tube Q1, the other end of the resistor R4 is connected to the other end of the resistor R7 and the other end of the capacitor C6, and is grounded, one end of the capacitor C6 is connected to the other end of the resistor R3 and the pin 3 of the main control circuit, one end of the resistor R3 is connected to one end of the resistor R7 and the source of the MOS tube Q1, one end of the capacitor C2 is connected to one end of the capacitor C3, one end of the inductor L1 and the drain of the MOS tube Q1, the other end of the capacitor C2 is connected to the other end of the capacitor C3, the other end of the inductor L1 and one end of the capacitor C1, and the other end of the capacitor C1 is grounded.

[0009] A further technical solution of the utility model is that the LED circuit includes a resistor R1, a resistor R2, a light-emitting diode D1 and a light-emitting diode D2, one end of the resistor R1 is connected to one end of the resistor R2 and the other end of the inductor L1, the other end of the resistor R1 is connected to the positive electrode of the light-emitting diode D1, and the other end of the resistor R2 is connected to the positive electrode of the light-emitting diode D1.

[0010] A further technical solution of the utility model is that the power supply voltage detection circuit includes a resistor R5 and a resistor R6, one end of the resistor R5 is connected to the other end of the inductor L1, the other end of the resistor R5 is connected to one end of the resistor R6 and pin 2 of the main control circuit, and the other end of the resistor R6 is grounded.

[0011] A further technical solution of the utility model is that the lighting lamp includes a wireless charging input circuit, an LED circuit, a key circuit, a lithium battery protection circuit and a main control circuit, and the wireless charging input circuit, LED circuit, key circuit, lithium battery protection circuit are connected to the main control circuit.

[0012] A further technical solution of the utility model is that the wireless charging input circuit includes an inductor L1, a capacitor C1, a capacitor C2, a resistor R1, a resistor R2, a resistor R3, a resistor R6, a resistor R7, a diode D1, a diode D2, a diode Z1, a MOS tube Q1 and a MOS tube Q3;

[0013] One end of the inductor L1 is connected to one end of the capacitor C2 and the anode of the diode D1, the cathode of the diode D1 is connected to one end of the resistor R1, one end of the resistor R2, one end of the resistor R3, and the drain of the MOS tube Q1, the source of the MOS tube Q1 is connected to one end of the diode Z1 and the anode of the diode D2, the cathode of the diode D2 is connected to one end of the capacitor C1, the other end of the resistor R2 is connected to one end of the resistor R6 and pin 2 of the main control circuit, the other end of the resistor R3 is connected to one end of the resistor R7, the gate of the MOS tube Q3, and pin 3 of the main control circuit, the other end of the resistor R1 is connected to the gate of the MOS tube Q1 and the drain of the MOS tube Q3, the other end of the inductor L1 is connected to the other end of the capacitor C2, the other end of the capacitor R6, the other end of the resistor R7, the source of the MOS tube Q3, the anode of the diode Z1, and the other end of the capacitor C1.

[0014] A further technical solution of the utility model is that the LED circuit includes a light-emitting diode D3, a light-emitting diode D4, a light-emitting diode D5, a light-emitting diode D6, a light-emitting diode D7, a resistor R4 and a MOS tube Q2, and a light-emitting diode D8, a light-emitting diode D9, a resistor R5 and a resistor R8, the positive electrode of the light-emitting diode D3 is connected to the positive electrode of the light-emitting diode D4, the positive electrode of the light-emitting diode D5, the positive electrode of the light-emitting diode D6, and the positive electrode of the light-emitting diode D7, the negative electrode of the light-emitting diode D3 is connected to the negative electrode of the light-emitting diode D4, the negative electrode of the light-emitting diode D5, the negative electrode of the light-emitting diode D6, the negative electrode of the light-emitting diode D7 and the drain of the MOS tube Q2, one end of the resistor R4 is connected to the gate of the MOS tube Q2 and the pin 7 of the main control circuit, and the other end of the resistor R4 is connected to the source of the MOS tube Q2 and grounded;

[0015] The cathode of the light-emitting diode D8 is connected to pin 5 of the main control circuit, the anode of the light-emitting diode D8 is connected to one end of the resistor R5, the cathode of the light-emitting diode D9 is connected to pin 6 of the main control circuit, the anode of the light-emitting diode D9 is connected to one end of the resistor R8, and the other end of the resistor R5 is connected to the other end of the resistor R8.

[0016] A further technical solution of the utility model is that the lithium battery protection circuit includes a resistor R10, a capacitor C4 and a chip U1, one end of the resistor R10 is connected to the cathode of the diode D2, the other end of the resistor R10 is connected to one end of the capacitor C4 and pin 1 of the chip U1, the other end of the capacitor C4 is connected to pin 2 of the chip U1 and the cathode of the diode D2, and pins 3 and 4 of the chip U1 are grounded.

[0017] The portable lighting lamp of the utility model adopts the above technical scheme, including: a wireless charging base and a lighting lamp, wherein the lighting lamp is arranged on the wireless charging base, and a power supply circuit for powering the lighting lamp is arranged in the wireless charging base, thereby perfectly combining the portable lighting lamp with wireless charging, solving the problem in the prior art that users often face battery exhaustion or need to carry spare batteries, improving the convenience of use, and being applicable to various application scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of a preferred embodiment of the portable lighting lamp of the utility model;

[0020] Figure 2 This is a schematic diagram of the exploded structure of a preferred embodiment of the portable lighting lamp of the utility model;

[0021] Figure 3 It is a circuit structure diagram of a voltage stabilizing circuit in a wireless charging base;

[0022] Figure 4 It is a schematic diagram of the circuit structure of driving the magnetic induction coil circuit in the wireless charging base;

[0023] Figure 5 It is a schematic diagram of the circuit structure of the LED circuit in the wireless charging base;

[0024] Figure 6 It is a schematic diagram of the circuit structure of a power supply voltage detection circuit in a wireless charging base;

[0025] Figure 7 It is a circuit structure diagram of a temperature detection circuit in a wireless charging base;

[0026] Figure 8 It is a schematic diagram of the circuit structure of the main control circuit in the wireless charging base;

[0027] Fig. 9 It is a circuit structure diagram of a wireless charging input circuit in a lighting lamp;

[0028] Fig.10 It is a schematic diagram of the circuit structure of the LED circuit in the lighting lamp;

[0029] Fig.11It is a schematic diagram of the circuit structure of the key circuit in the lighting lamp;

[0030] Fig.12 It is a schematic diagram of the circuit structure of the lithium battery protection circuit in the lighting lamp;

[0031] Fig.13 It is a schematic diagram of the circuit structure of the main control circuit in the lighting lamp.

[0032] Description of Figure Numbers:

[0033] Wireless charging base 1; lighting lamp 2; wireless charging base bottom cover 3; wireless charging base top cover 4; lighting lamp bottom cover 5; lighting lamp transparent top cover 6.

[0034] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Considering the limitations of existing technologies in portable lighting and charging devices, including battery dependence, charging convenience and integration of lighting functions, the utility model proposes an efficient and convenient solution that combines lighting and wireless charging functions and can be applied to various application scenarios. The utility model covers cross-applications in multiple fields such as electronic design, pulse width modulation, wireless energy transmission and power management.

[0037] Please refer to Figures 1 to 13 The portable lighting lamp of the utility model comprises a wireless charging base 1 and a lighting lamp 2. The lighting lamp 2 is arranged on the wireless charging base 1. The wireless charging base 1 is provided with a power supply circuit for supplying power to the lighting lamp 2. The wireless charging base 1 comprises a wireless charging base bottom cover 3 and a wireless charging base top cover 4. The lighting lamp 2 comprises a lighting lamp bottom cover 5 and a lighting lamp transparent top cover 6.

[0038] The power supply circuit includes a voltage stabilizing circuit, a driving magnetic induction coil circuit, an LED circuit, a power supply voltage detection circuit, a temperature detection circuit and a main control circuit. The voltage stabilizing circuit, the driving magnetic induction coil circuit, the LED circuit, the power supply voltage detection circuit and the temperature detection circuit are respectively connected to the main control circuit.

[0039] Among them, the voltage stabilizing circuit is used to convert the input power supply into a 5V stable output to supply power to the main control circuit and the temperature detection circuit, so as to reduce the drive caused by the load when it just works and avoid affecting the signal quantity collection.

[0040] The driving magnetic induction coil circuit is responsible for driving the coil to generate a magnetic field and generate electromagnetic induction with the load to achieve wireless charging.

[0041] The LED circuit is used to indicate the working status and fault information of each circuit, such as charging, voltage fault, and temperature abnormality light status prompts.

[0042] The power supply voltage detection circuit is used to monitor the status of the base input voltage to avoid abnormal charging tasks due to undervoltage or overvoltage.

[0043] The temperature detection circuit is used to monitor the temperature of the base and the charging device, and immediately cut off the output of the magnetic induction coil when the temperature is higher than the threshold to ensure safety during the charging process.

[0044] The main control circuit is responsible for coordinating and managing the various parts of the charging base circuit to ensure that they work together to achieve efficient wireless charging and user interaction experience.

[0045] Specifically, the voltage stabilizing circuit includes a charging interface, a resistor RA1, a resistor RB1, a capacitor C4, a capacitor C5 and a chip U1. One end of the resistor RA1 is connected to pin 3 of the charging interface, one end of the resistor RB1 is connected to pin 4 of the charging interface, the other end of the resistor RA1 is connected to the other end of the resistor RB1, the other end of the capacitor C4, the other end of the capacitor C5, and pin 1 of the chip U1, and is grounded. One end of the capacitor C4 is connected to pin 5 of the charging interface and pin 2 of the chip U1, and the other end of the capacitor C5 is connected to pin 3 of the chip U1 and pin 1 of the main control circuit.

[0046] The driving magnetic induction coil circuit includes a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C6, an inductor L1, a resistor R3, a resistor R4, a resistor R7 and a MOS tube Q1. One end of the resistor R4 is connected to pin 6 of the main control circuit and the gate of the MOS tube Q1. The other end of the resistor R4 is connected to the other end of the resistor R7 and the other end of the capacitor C6 and is grounded. One end of the capacitor C6 is connected to the other end of the resistor R3 and the pin 3 of the main control circuit. One end of the resistor R3 is connected to one end of the resistor R7 and the source of the MOS tube Q1. One end of the capacitor C2 is connected to one end of the capacitor C3, one end of the inductor L1 and the drain of the MOS tube Q1. The other end of the capacitor C2 is connected to the other end of the capacitor C3, the other end of the inductor L1 and one end of the capacitor C1. The other end of the capacitor C1 is grounded.

[0047] The LED circuit includes a resistor R1, a resistor R2, a light-emitting diode D1 and a light-emitting diode D2, one end of the resistor R1 is connected to one end of the resistor R2 and the other end of the inductor L1, the other end of the resistor R1 is connected to the positive electrode of the light-emitting diode D1, and the other end of the resistor R2 is connected to the positive electrode of the light-emitting diode D1.

[0048] The circuit for detecting the supply voltage includes resistors R5 and R6, one end of the resistor R5 is connected to the other end of the inductor L1, the other end of the resistor R5 is connected to one end of the resistor R6 and pin 2 of the main control circuit, and the other end of the resistor R6 is grounded.

[0049] Furthermore, in this embodiment, the lighting lamp 2 includes a wireless charging input circuit, an LED circuit, a key circuit, a lithium battery protection circuit and a main control circuit, and the wireless charging input circuit, the LED circuit, the key circuit, the lithium battery protection circuit and the main control circuit are connected.

[0050] Among them, the wireless charging input circuit is used for the rectifier circuit to enable the wireless charging base to transmit power to charge the battery and control the on and off of the charging.

[0051] The LED circuit includes a set of parallel LED lights and a set of red and green bicolor lights. MOS tubes are used to control the on and off status of the parallel LEDs to achieve the lighting function. The red and green bicolor lights are directly powered by the microcontroller port, and their main function is to remind users of the product's working status such as lighting, charging, full and undervoltage alarm. Their brightness can be adjusted according to user needs.

[0052] The key circuit is used to realize functions such as switching on and off, brightness adjustment, etc. of the lighting lamp 2 when the user performs key operations.

[0053] Lithium battery protection circuits are used to monitor and maintain the safety and performance of lithium batteries to extend battery life.

[0054] The master control circuit is responsible for coordinating and managing the various sub-circuits to ensure that they work together to provide efficient lighting.

[0055] Specifically, the wireless charging input circuit includes an inductor L1, a capacitor C1, a capacitor C2, a resistor R1, a resistor R2, a resistor R3, a resistor R6, a resistor R7, a diode D1, a diode D2, a diode Z1, a MOS transistor Q1 and a MOS transistor Q3.

[0056] One end of the inductor L1 is connected to one end of the capacitor C2 and the positive electrode of the diode D1, the negative electrode of the diode D1 is connected to one end of the resistor R1, one end of the resistor R2, one end of the resistor R3, and the drain of the MOS tube Q1, the source of the MOS tube Q1 is connected to one end of the diode Z1 and the positive electrode of the diode D2, the negative electrode of the diode D2 is connected to one end of the capacitor C1, the other end of the resistor R2 is connected to one end of the resistor R6 and the pin 2 of the main control circuit, the other end of the resistor R3 is connected to one end of the resistor R7, the gate of the MOS tube Q3, and the pin 3 of the main control circuit, the other end of the resistor R1 is connected to the gate of the MOS tube Q1 and the drain of the MOS tube Q3, the other end of the inductor L1 is connected to the other end of the capacitor C2, the other end of the capacitor R6, the other end of the resistor R7, the source of the MOS tube Q3, the positive electrode of the diode Z1, and the other end of the capacitor C1.

[0057] The LED circuit includes a light-emitting diode D3, a light-emitting diode D4, a light-emitting diode D5, a light-emitting diode D6, a light-emitting diode D7, a resistor R4 and a MOS tube Q2, as well as a light-emitting diode D8, a light-emitting diode D9, a resistor R5 and a resistor R8. The anode of the light-emitting diode D3 is connected to the anode of the light-emitting diode D4, the anode of the light-emitting diode D5, the anode of the light-emitting diode D6 and the anode of the light-emitting diode D7. The cathode of the light-emitting diode D3 is connected to the cathode of the light-emitting diode D4, the cathode of the light-emitting diode D5, the cathode of the light-emitting diode D6, the cathode of the light-emitting diode D7 and the drain of the MOS tube Q2. One end of the resistor R4 is connected to the gate of the MOS tube Q2 and the pin 7 of the main control circuit. The other end of the resistor R4 is connected to the source of the MOS tube Q2 and is grounded.

[0058] The cathode of the light-emitting diode D8 is connected to pin 5 of the main control circuit, the anode of the light-emitting diode D8 is connected to one end of the resistor R5, the cathode of the light-emitting diode D9 is connected to pin 6 of the main control circuit, the anode of the light-emitting diode D9 is connected to one end of the resistor R8, and the other end of the resistor R5 is connected to the other end of the resistor R8.

[0059] The lithium battery protection circuit includes a resistor R10, a capacitor C4 and a chip U1. One end of the resistor R10 is connected to the cathode of the diode D2, the other end of the resistor R10 is connected to one end of the capacitor C4 and pin 1 of the chip U1, the other end of the capacitor C4 is connected to pin 2 of the chip U1 and the cathode of the diode D2, and pins 3 and 4 of the chip U1 are grounded.

[0060] The portable lighting lamp of the utility model adopts the above-mentioned technical scheme, including: a wireless charging base and a lighting lamp, the lighting lamp is arranged on the wireless charging base, and a power supply circuit for powering the lighting lamp is arranged in the wireless charging base, which perfectly combines the portable lighting lamp with wireless charging, solves the problem of battery exhaustion or the need to carry spare batteries that users often face in the prior art, improves the convenience of use, and can be suitable for various application scenarios.

[0061] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the concept of the utility model, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A portable lighting lamp, characterized in that: include: A wireless charging base and a lighting lamp, wherein the lighting lamp is arranged on the wireless charging base, and a power supply circuit for supplying power to the lighting lamp is arranged in the wireless charging base.

2. The portable lighting lamp according to claim 1, characterized in that: The power supply circuit includes a voltage stabilizing circuit, a driving magnetic induction coil circuit, an LED circuit, a power supply voltage detection circuit, a temperature detection circuit and a main control circuit. The voltage stabilizing circuit, the driving magnetic induction coil circuit, the LED circuit, the power supply voltage detection circuit and the temperature detection circuit are respectively connected to the main control circuit.

3. The portable lighting lamp according to claim 2, characterized in that: The voltage stabilizing circuit includes a charging interface, a resistor RA1, a resistor RB1, a capacitor C4, a capacitor C5 and a chip U1. One end of the resistor RA1 is connected to pin 3 of the charging interface, one end of the resistor RB1 is connected to pin 4 of the charging interface, the other end of the resistor RA1 is connected to the other end of the resistor RB1, the other end of the capacitor C4, the other end of the capacitor C5, and pin 1 of the chip U1, and is grounded. One end of the capacitor C4 is connected to pin 5 of the charging interface and pin 2 of the chip U1, and the other end of the capacitor C5 is connected to pin 3 of the chip U1 and pin 1 of the main control circuit.

4. The portable lighting lamp according to claim 3, characterized in that: The driving magnetic induction coil circuit includes a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C6, an inductor L1, a resistor R3, a resistor R4, a resistor R7 and a MOS tube Q1, one end of the resistor R4 is connected to the pin 6 of the main control circuit and the gate of the MOS tube Q1, the other end of the resistor R4 is connected to the other end of the resistor R7 and the other end of the capacitor C6, and is grounded, one end of the capacitor C6 is connected to the other end of the resistor R3 and the pin 3 of the main control circuit, one end of the resistor R3 is connected to one end of the resistor R7 and the source of the MOS tube Q1, one end of the capacitor C2 is connected to one end of the capacitor C3, one end of the inductor L1 and the drain of the MOS tube Q1, the other end of the capacitor C2 is connected to the other end of the capacitor C3, the other end of the inductor L1 and one end of the capacitor C1, and the other end of the capacitor C1 is grounded.

5. The portable lighting lamp according to claim 4, characterized in that: The LED circuit includes a resistor R1, a resistor R2, a light-emitting diode D1 and a light-emitting diode D2, one end of the resistor R1 is connected to one end of the resistor R2 and the other end of the inductor L1, the other end of the resistor R1 is connected to the anode of the light-emitting diode D1, and the other end of the resistor R2 is connected to the anode of the light-emitting diode D1.

6. The portable lighting lamp according to claim 5, characterized in that: The detection power supply voltage circuit includes a resistor R5 and a resistor R6, one end of the resistor R5 is connected to the other end of the inductor L1, the other end of the resistor R5 is connected to one end of the resistor R6 and pin 2 of the main control circuit, and the other end of the resistor R6 is grounded.

7. The portable lighting lamp according to claim 1, characterized in that: The lighting lamp includes a wireless charging input circuit, an LED circuit, a key circuit, a lithium battery protection circuit and a main control circuit, and the wireless charging input circuit, the LED circuit, the key circuit, the lithium battery protection circuit are connected to the main control circuit.

8. The portable lighting lamp according to claim 7, characterized in that: The wireless charging input circuit includes an inductor L1, a capacitor C1, a capacitor C2, a resistor R1, a resistor R2, a resistor R3, a resistor R6, a resistor R7, a diode D1, a diode D2, a diode Z1, a MOS transistor Q1 and a MOS transistor Q3; One end of the inductor L1 is connected to one end of the capacitor C2 and the anode of the diode D1, the cathode of the diode D1 is connected to one end of the resistor R1, one end of the resistor R2, one end of the resistor R3, and the drain of the MOS tube Q1, the source of the MOS tube Q1 is connected to one end of the diode Z1 and the anode of the diode D2, the cathode of the diode D2 is connected to one end of the capacitor C1, the other end of the resistor R2 is connected to one end of the resistor R6 and pin 2 of the main control circuit, the other end of the resistor R3 is connected to one end of the resistor R7, the gate of the MOS tube Q3, and pin 3 of the main control circuit, the other end of the resistor R1 is connected to the gate of the MOS tube Q1 and the drain of the MOS tube Q3, the other end of the inductor L1 is connected to the other end of the capacitor C2, the other end of the capacitor R6, the other end of the resistor R7, the source of the MOS tube Q3, the anode of the diode Z1, and the other end of the capacitor C1.

9. The portable lighting lamp according to claim 8, characterized in that: The LED circuit includes a light-emitting diode D3, a light-emitting diode D4, a light-emitting diode D5, a light-emitting diode D6, a light-emitting diode D7, a resistor R4 and a MOS tube Q2, as well as a light-emitting diode D8, a light-emitting diode D9, a resistor R5 and a resistor R8, the positive electrode of the light-emitting diode D3 is connected to the positive electrode of the light-emitting diode D4, the positive electrode of the light-emitting diode D5, the positive electrode of the light-emitting diode D6 and the positive electrode of the light-emitting diode D7, the negative electrode of the light-emitting diode D3 is connected to the negative electrode of the light-emitting diode D4, the negative electrode of the light-emitting diode D5, the negative electrode of the light-emitting diode D6, the negative electrode of the light-emitting diode D7 and the drain of the MOS tube Q2, one end of the resistor R4 is connected to the gate of the MOS tube Q2 and the pin 7 of the main control circuit, and the other end of the resistor R4 is connected to the source of the MOS tube Q2 and is grounded; The cathode of the light-emitting diode D8 is connected to pin 5 of the main control circuit, the anode of the light-emitting diode D8 is connected to one end of the resistor R5, the cathode of the light-emitting diode D9 is connected to pin 6 of the main control circuit, the anode of the light-emitting diode D9 is connected to one end of the resistor R8, and the other end of the resistor R5 is connected to the other end of the resistor R8.

10. The portable lighting lamp according to claim 9, characterized in that: The lithium battery protection circuit includes a resistor R10, a capacitor C4 and a chip U1, one end of the resistor R10 is connected to the cathode of the diode D2, the other end of the resistor R10 is connected to one end of the capacitor C4 and pin 1 of the chip U1, the other end of the capacitor C4 is connected to pin 2 of the chip U1 and the cathode of the diode D2, and pins 3 and 4 of the chip U1 are grounded.

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