CN220911385U

CN220911385U - Portable mini lamp

Info

Publication number: CN220911385U
Application number: CN202322975091.8U
Authority: CN
Inventors: 刘兵
Original assignee: Zhongshan Aitu Technology Co ltd
Current assignee: Zhongshan Aitu Technology Co ltd
Priority date: 2023-11-03
Filing date: 2023-11-03
Publication date: 2024-05-07
Anticipated expiration: 2033-11-03

Abstract

The utility model discloses a portable mini lamp, which comprises a lamp holder, wherein a control circuit board is arranged in the lamp holder, and is characterized in that: the LED lamp comprises a lamp holder, and is characterized in that battery accommodating grooves are symmetrically formed in two sides of the lamp holder, lithium batteries are inserted into the battery accommodating grooves and connected with a control circuit board, a lamp shade is arranged at the lower end of the lamp holder, a light-emitting component is arranged in the lamp shade and connected with the control circuit board, a charging interface is arranged on the outer wall of the lamp holder and connected with the control circuit board, and a control switch is arranged on the lamp holder and connected with the control circuit board. The portable movable lighting lamp is simple in structure, the lithium battery is detachable, the installation is convenient, the portable movable lighting lamp is safe and reliable, and the portable movable lighting lamp is a good partner for home travel.

Description

Portable mini lamp

Technical Field

The utility model relates to the technical field of illumination, in particular to a portable mini lamp.

Background

Lamps, which generate light by being energized, for example by being supplied with electrical energy, are widely used in various fields of life. In recent years, with the increasing popularity of outdoor activities such as camping or traveling, there has been a strong demand in the market for lamps that can be conveniently carried and applied outdoors. However, when the lamp of the prior art is directly applied outdoors, there are many defects that cannot meet the market demand. For example, the existing outdoor portable lamp cannot be replaced because the lithium battery is built-in, and generally only one lithium battery is used, and the existing outdoor portable lamp can only be used after being charged after the electric quantity of the lithium battery is exhausted in the using process. In addition, the existing outdoor portable lamp is fixed when in use, and the requirements of users cannot be met.

As such, the existing portable mini lamps are to be further perfected.

Disclosure of utility model

The utility model aims to overcome the defects in the prior art and provides a portable mini lamp which is simple in structure, detachable in lithium battery and convenient to install.

In order to achieve the above purpose, the present utility model adopts the following scheme: the utility model provides a portable mini lamp, is including the lamp stand be equipped with control circuit board in the lamp stand, its characterized in that: the LED lamp comprises a lamp holder, and is characterized in that battery accommodating grooves are symmetrically formed in two sides of the lamp holder, lithium batteries are inserted into the battery accommodating grooves and connected with a control circuit board, a lamp shade is arranged at the lower end of the lamp holder, a light-emitting component is arranged in the lamp shade and connected with the control circuit board, a charging interface is arranged on the outer wall of the lamp holder and connected with the control circuit board, and a control switch is arranged on the lamp holder and connected with the control circuit board.

As another improvement of the portable mini lamp, a mounting slot hole communicated with the battery accommodating groove is arranged in the middle of the lamp holder at a position corresponding to the lithium battery, a connecting circuit board is arranged in the mounting slot hole, conductive contacts are arranged at positions of the connecting circuit board and the lithium battery electrode, and the connecting circuit board is connected with the control circuit board.

As another improvement of the portable mini lamp, limit grooves are symmetrically formed in two sides of the battery accommodating groove, positioning cutting strips are arranged at positions, corresponding to the limit grooves, of the lithium battery, and the positioning cutting strips are inserted into the limit grooves.

As another improvement of the portable mini lamp, a heat dissipation aluminum ring is arranged between the lamp holder and the lamp shade, and the control circuit board is arranged in the heat dissipation aluminum ring.

As another improvement of the portable mini lamp, a plurality of annular grooves capable of increasing the heat dissipation area are arranged on the outer wall of the heat dissipation aluminum ring.

As another improvement of the portable mini lamp, a connecting seat is arranged at the upper end of the lamp holder, and a hanging ring assembly is hinged on the connecting seat.

As another improvement of the portable mini lamp, the hanging ring assembly is hinged to a first hanging lock piece on one side of the connecting seat, a second hanging lock piece is arranged on the other side of the connecting seat, a locking hook is arranged on one end, pointing to the second hanging lock piece, of the first hanging lock piece, a locking ring is hinged to the second hanging lock piece, and one end of the locking ring is clamped on the locking hook.

As another improvement of the portable mini lamp, a charging circuit, an LED driving circuit and a micro control unit MCU are arranged on the control circuit board, and the charging circuit and the LED driving circuit are respectively connected with the micro control unit MCU.

As another improvement of the portable mini lamp, the lithium battery is a lithium battery with a protection plate.

In summary, compared with the prior art, the utility model has the following beneficial effects: the lithium battery lamp is simple in structure, the lithium batteries are symmetrically inserted into the battery accommodating grooves at two sides of the lamp holder, the lithium batteries can be mutually separated from the lamp holder, the installation and the replacement are convenient, and the lithium battery lamp can be used for supplying power through a single lithium battery or simultaneously supplying power through two lithium batteries, so that the lithium battery lamp is convenient to use. The lifting ring assembly can be opened relatively, and is convenient to install when in use. According to the utility model, the heat-dissipation aluminum ring is arranged between the lamp holder and the lamp shade, and the plurality of ring grooves are arranged on the outer wall of the heat-dissipation aluminum ring, so that the overall heat-dissipation effect is greatly improved. The portable movable illuminating lamp is safe and reliable, and is a good partner for home and travel.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

FIG. 2 is a second perspective view of the present utility model.

FIG. 3 is a schematic cross-sectional view of the present utility model.

FIG. 4 is a second schematic cross-sectional view of the present utility model.

Fig. 5 is a schematic diagram of a charging circuit according to the present utility model.

Fig. 6 is a schematic diagram of an LED driving circuit according to the present utility model.

Fig. 7 is a schematic view of a lithium battery with a protection plate according to the present utility model.

Fig. 8 is a schematic diagram of the MCU of the present utility model.

In the figure: 1. a lamp holder; 2. a control circuit board; 3. a battery accommodating groove; 4. a lithium battery; 5. a lamp shade; 6. a light emitting assembly; 7. a charging interface; 8. a control switch; 9. a mounting slot; 10. connecting a circuit board; 11. a conductive contact; 12. a limit groove; 13. positioning the cutting; 14. a heat-dissipating aluminum ring; 15. a ring groove; 16. a connecting seat; 17. a lifting ring assembly; 18. a first hanging lock; 19. the second hanging lock piece; 20. a locking hook; 21. a locking ring.

Detailed Description

The above and further technical features and advantages of the present utility model are described in more detail below with reference to the accompanying drawings.

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.

It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

Referring to fig. 1-8, the portable mini lamp of the utility model comprises a lamp holder 1, wherein a control circuit board 2 is arranged in the lamp holder 1, battery accommodating grooves 3 are symmetrically arranged on two sides of the lamp holder 1, a lithium battery 4 is inserted in the battery accommodating grooves 3, the lithium battery 4 is connected with the control circuit board 2, a lampshade 5 is arranged at the lower end of the lamp holder 1, a light emitting component 6 is arranged in the lampshade 5, the light emitting component 6 is connected with the control circuit board 2, a charging interface 7 is arranged on the outer wall of the lamp holder 1, the charging interface 7 is connected with the control circuit board 2, a control switch 8 is arranged on the lamp holder 1, and the control switch 8 is connected with the control circuit board 2. The lithium battery lamp is simple in structure, the lithium batteries are symmetrically inserted into the battery accommodating grooves at two sides of the lamp holder, the lithium batteries can be mutually separated from the lamp holder, the installation and the replacement are convenient, and the lithium battery lamp can be used for supplying power through a single lithium battery or simultaneously supplying power through two lithium batteries, so that the lithium battery lamp is convenient to use. The charging interface 7 in the present utility model may be a TYPE-C charging interface. The lithium battery 4 may be a high-capacity lithium battery. The light-emitting component 6 comprises a lamp panel, and a plurality of LED chips are uniformly distributed on the lamp panel. In the utility model, the lithium battery 4 can be charged through the charging interface 7, and the lithium battery 4 can be disassembled for charging, so that the use is convenient.

In the utility model, a mounting slot hole 9 communicated with the battery accommodating groove 3 is arranged in the middle part of the lamp holder 1 and corresponds to the lithium battery 4, a connecting circuit board 10 is arranged in the mounting slot hole 9, a conductive contact 11 is arranged at the position of the connecting circuit board 10 and the electrode of the lithium battery 4, and the connecting circuit board 10 is connected with the control circuit board 2. According to the utility model, the two connecting circuit boards 10 are respectively in butt joint with the electrodes of the two lithium batteries 4, so that the lithium batteries 4 can be used singly or simultaneously.

In the utility model, the two sides of the battery accommodating groove 3 are symmetrically provided with the limiting grooves 12, the positions of the lithium battery 4 corresponding to the limiting grooves 12 are provided with the positioning cutting 13, and the positioning cutting 13 is inserted into the limiting grooves 12. Through the cooperation of the limiting groove 12 and the positioning cutting 13, the lithium battery 4 can be firmly connected with the lamp holder 1.

In the utility model, a heat dissipation aluminum ring 14 is arranged between the lamp holder 1 and the lamp shade 5, and the control circuit board 2 is arranged in the heat dissipation aluminum ring 14. A plurality of ring grooves 15 which can enlarge the heat dissipation area are arranged on the outer wall of the heat dissipation aluminum ring 14. The heat dissipation efficiency can be effectively improved by the heat dissipation aluminum ring 14.

In the utility model, a connecting seat 16 is arranged at the upper end of the lamp holder 1, and a hanging ring assembly 17 is hinged on the connecting seat 16. The lifting ring assembly 17 is hinged to a first lifting lock piece 18 on one side of the connecting seat 16, a second lifting lock piece 19 is arranged on the other side of the connecting seat 16, a locking hook 20 is arranged at one end, pointed to the second lifting lock piece 19, of the first lifting lock piece 18, a locking ring 21 is hinged to the second lifting lock piece 19, and one end of the locking ring 21 is clamped on the locking hook 20. In the utility model, the first hanging lock piece 18 is connected with the second hanging lock piece 19 through the lock ring 21, so that the hanging lock pieces can be opened relatively, and the hanging lock is convenient to install and fix.

Referring to fig. 5-8, a charging circuit, an LED driving circuit and a micro control unit MCU are provided on the control circuit board 2, and the charging circuit 22 and the LED driving circuit are respectively connected with the micro control unit MCU.

The lithium battery 4 is a lithium battery with a protection plate.

Referring to fig. 5, in the charging circuit, elements such as Q1, Q2, ZD1, a capacitor C5, a resistor R7, a resistor R8, and a resistor R9 form an input overvoltage protection circuit, an LED2 is a charging and full indication, U1 is a charging management chip, Q1 is a MOS switch, Q2 is a triode, and ZD1 is a zener diode;

Referring to fig. 6, the led driving part: the MOS switch Q1, the MOS switch Q2, the diode D1, the diode D2, the resistor R6, the resistor R7, the resistor R8, the resistor R9, the light-emitting diode W1, the light-emitting diode Y1 and the like form a control loop of the illumination LED; q1 controls white light and Q2 controls yellow light. The MOS switch Q5, the MOS switch Q6, the triode Q7, the diode D3, the resistor R11 and the resistor R15 are voltage switching circuits (when charging, the LED is used for supplying power for 5V, and when a charging wire is pulled off, the LED is used for supplying power for a battery), and the U1 is a control IC;

Referring to fig. 7, U3, Q4, Q5 in the battery part with the protection board in the present utility model constitutes a lithium battery overcharge and overdischarge protection circuit, and NTC1 is a lithium battery temperature detection element; wherein U3 is a control IC, and Q4 and Q5 are MOS switches respectively.

Referring to fig. 8, the mcu part: the triode Q3 controls an EN enabling pin of the battery management chip, when the temperature of the battery reaches 65 ℃, the triode Q3 is conducted through pin10 fed back to the MCU by the NTC1, EN is in a low level, and the charging management chip is enabled to stop charging; meanwhile, after the charging detection signal is given to PIN12 of the MCU, the MCU automatically counts time, when the charging detection signal reaches 8 hours, triode Q3 is also conducted, EN is in a low level, and the charging management chip is enabled to stop charging. The charger is prevented from being connected for a long time after being fully charged at night. According to the utility model, the charging management chip U1 is fully filled with the automatic stop function originally, and is safer by taking the MCU as multiple protection; when the PIN13 voltage of the MCU is 2.75V, two paths of PWM signal outputs are automatically closed, so that over-discharge protection is realized.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a portable mini lamp, is including lamp stand (1) be equipped with control circuit board (2), its characterized in that in lamp stand (1): the LED lamp is characterized in that battery accommodating grooves (3) are symmetrically formed in two sides of the lamp holder (1), lithium batteries (4) are inserted into the battery accommodating grooves (3), the lithium batteries (4) are connected with the control circuit board (2), a lampshade (5) is arranged at the lower end of the lamp holder (1), a light-emitting component (6) is arranged in the lampshade (5), the light-emitting component (6) is connected with the control circuit board (2), a charging interface (7) is arranged on the outer wall of the lamp holder (1), the charging interface (7) is connected with the control circuit board (2), a control switch (8) is arranged on the lamp holder (1), and the control switch (8) is connected with the control circuit board (2).

2. A portable mini lamp as in claim 1, wherein: the LED lamp is characterized in that a mounting slot hole (9) communicated with the battery accommodating groove (3) is formed in the middle of the lamp holder (1) and corresponds to the lithium battery (4), a connecting circuit board (10) is arranged in the mounting slot hole (9), a conductive contact (11) is arranged at the position of the connecting circuit board (10) and the electrode of the lithium battery (4), and the connecting circuit board (10) is connected with the control circuit board (2).

3. A portable mini lamp as in claim 1, wherein: limiting grooves (12) are symmetrically formed in two sides of the battery accommodating groove (3), positioning cutting strips (13) are arranged at positions, corresponding to the limiting grooves (12), of the lithium battery (4), and the positioning cutting strips (13) are inserted into the limiting grooves (12).

4. A portable mini lamp as in claim 1, wherein: a heat dissipation aluminum ring (14) is arranged between the lamp holder (1) and the lamp shade (5), and the control circuit board (2) is arranged in the heat dissipation aluminum ring (14).

5. The portable mini lamp of claim 4, wherein: the outer wall of the heat dissipation aluminum ring (14) is provided with a plurality of ring grooves (15) which can enlarge the heat dissipation area.

6. A portable mini lamp as in claim 1, wherein: the upper end of the lamp holder (1) is provided with a connecting seat (16), and a hanging ring assembly (17) is hinged on the connecting seat (16).

7. The portable mini lamp of claim 6, wherein: the lifting ring assembly (17) is hinged to a first lifting lock (18) on one side of the connecting seat (16), a second lifting lock (19) is arranged on the other side of the connecting seat (16), a locking hook (20) is arranged at one end, pointed to the second lifting lock (19), of the first lifting lock (18), a locking ring (21) is hinged to the second lifting lock (19), and one end of the locking ring (21) is clamped on the locking hook (20).

8. A portable mini lamp as in claim 1, wherein: the control circuit board (2) is provided with a charging circuit, an LED driving circuit and a micro control unit MCU, and the charging circuit (22) and the LED driving circuit are respectively connected with the micro control unit MCU.

9. A portable mini lamp as in claim 1, wherein: the lithium battery (4) is a lithium battery with a protection plate.