CN116592314B

CN116592314B - Magnetic wall lamp

Info

Publication number: CN116592314B
Application number: CN202310869826.0A
Authority: CN
Inventors: 曹正茂; 刘俊杰
Original assignee: Guangzhou Jiguang Lighting Co ltd
Current assignee: Guangzhou Jiguang Lighting Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2023-09-15
Anticipated expiration: 2043-07-17
Also published as: CN116592314A

Abstract

The utility model provides a magnetic wall lamp, which belongs to the technical field of illumination and comprises a base and a lamp body detachably connected to the base, wherein the lamp body comprises a lamp housing and a light-transmitting plate which is arranged on the lamp housing and is used for transmitting light, and a lamp plate is arranged in the lamp housing; the base is provided with a magnetic ball, the lamp housing is provided with a magnetic attraction piece matched with the magnetic ball, and the lamp housing is connected to the magnetic ball through the magnetic attraction piece, so that the irradiation angle of the lamp body can be automatically adjusted; according to the utility model, the lamp body is connected to the base in a magnetic attraction mode, and can be taken down to be used as a small flashlight when necessary, so that the problem of fixed use scene of the existing wall lamp is solved, the adjustable angle range is wider through magnetic ball connection, the use function and the use scene of the wall lamp are increased, and the use experience is optimized.

Description

Magnetic wall lamp

Technical Field

The utility model relates to the technical field of lighting equipment, in particular to a magnetic wall lamp.

Background

The wall lamp is an auxiliary lighting decorative lamp arranged on an indoor wall, and the power of the bulb is about 15-40 watts. The connection mode of the bottom shell and the lamp body is generally a rotating shaft or fixed and immovable, and the base is fixed with the wall surface through screws. The back outgoing line is connected with the mains supply or the base is provided with a USB interface connection adapter to supply power to the lamp body, and the switch or dimming function is realized through the control board.

The utility model patent with the authorized bulletin number of CN218095608U discloses a detachable wall lamp with a magnetic attraction function, and the PC cover and the aluminum lamp body are simultaneously installed in the switch fixing seat and the loudspeaker fixing seat during installation under the matching action of the powerful magnet, the switch fixing seat and the loudspeaker fixing seat, and the powerful magnet attracts the aluminum lamp body at the moment, so that the wall lamp is fixed, and under the matching action of a fixed falling prevention piece and a clamping block, the light emitting surface is regulated by the rotatable aluminum lamp body at the moment due to the adjusting groove arranged on the clamping block.

This scheme is through setting up magnet adsorption lamp body, has solved current wall lamp and has not dismantled and adjust inconvenient problem. However, the detachable wall lamp brings convenience and also causes other problems.

Compared with the traditional bulb, the LED lamp has the advantages of more energy saving, lower heating, longer service life and the like, and the temperature of the LED lamp generally and safely prescribes the use range to be-20-65 ℃. The wall lamp is beautiful and exquisite, a large number of radiating fins cannot be arranged like an outdoor lamp, and the number of led lamp beads of the wall lamp is generally 40 to 60 in consideration of the brightness, so that the temperature of the wall lamp in the working state is maintained at 30-40 ℃. However, the temperature of the wall lamp shell part can reach 45 ℃ or even higher in some cases due to external factors such as room temperature and self factors such as lamp aging. For the traditional lamp, the temperature is still in the safe use range, so that the lamp is not greatly damaged, and the wall lamp is fixed, so that the lamp is basically not touched by people.

Different detachable wall lamps are detachable to be used as small flashlights, the wall lamps are attractive in appearance, and most lamp bodies are not provided with handles, so that users can directly hold the lamp bodies and take down the lamp bodies. Because the lamp body burns and belongs to the probability event, when the user takes down the lamp body under the condition that does not have the preparation, if the wall lamp is just closed, the lamp body temperature is still high, although this temperature can not scald skin, can lead to the user down consciousness to loosen the hand because of scalding the hand, and then makes the lamp body drop, damage lamp body.

Disclosure of Invention

The utility model provides a magnetic wall lamp, which solves the technical problem that in the prior art, a detachable wall lamp can possibly cause the lamp body to drop due to the fact that a user takes off hands because of scalding.

In order to solve the problems, the magnetic wall lamp provided by the utility model adopts the following technical scheme:

the lamp comprises a base and a lamp body detachably connected to the base, wherein the lamp body comprises a lamp shell and a light-transmitting plate which is arranged on the lamp shell and is used for transmitting light, and the lamp plate is arranged in the lamp shell;

the base is provided with a magnetic ball, the lamp housing is provided with a magnetic attraction piece matched with the magnetic ball, and the lamp housing is connected to the magnetic ball through the magnetic attraction piece, so that the irradiation angle of the lamp body can be automatically adjusted;

a damping piece arranged on the magnetic suction piece is further arranged between the magnetic ball and the magnetic suction piece so as to improve the support stability of the lamp body and ensure that the lamp body is not easy to slip when the irradiation angle is adjusted in a rotating way; when the magnetic ball and the magnetic suction sheet are adsorbed, a cavity is reserved between the damping sheet and the magnetic ball, a negative pressure mechanism is arranged in the lamp housing and is communicated with the cavity, a temperature sensor is further arranged on the inner wall of the lamp housing, and when the temperature of the lamp housing is higher than a set value, the negative pressure mechanism is started to enable negative pressure to be formed in the cavity, so that the lamp housing cannot be manually taken down when being connected to the base;

the negative pressure mechanism comprises a cylinder body arranged in the lamp housing, a piston is connected in the cylinder body in a sliding way, a cavity is formed between the piston and a bottom cover of the cylinder body, the cavity is communicated with the cavity, and a driving structure for driving the piston to slide is further arranged in the cylinder body;

still be equipped with heat radiation structure in the lamp body, heat radiation structure is including setting up the heating panel that can open and close on the lamp body, and when lamp body temperature was less than the setting value, the heating panel is closed in order to prevent outside dust entering inside the lamp body, and when lamp body temperature was higher than the setting value, negative pressure mechanism starts to drive the heating panel and open and make inside and the outside intercommunication of lamp body, in order to accelerate the heat dissipation.

The lamp body is connected to the base in a magnetic attraction mode, and can be taken down to be used as a small flashlight when necessary, so that the problem of fixed use scene of the existing wall lamp is solved. Through the magnetic ball connection, the adjustable angle range is wider, the use function and the use scene of the wall lamp are increased, and the use experience is optimized.

Set up the damping fin on the piece is inhaled to magnetism, make the lamp body rotate more stably when adjusting the lamp body and shine the angle, be difficult for skidding, simultaneously, also can reduce by a wide margin when angle regulation, the noise that piece friction produced is inhaled to magnetism ball and magnetism, has improved user's experience effect.

In order to prevent the lamp body from heating, when the user takes down the lamp body under the condition of no preparation, the user may lower consciousness and loose hands due to scalding hands, so that the lamp body falls off. The utility model also provides a structure for preventing the hands from being taken off. The structure utilizes the damping fin, a cavity is preset between the damping fin and the magnetic ball, and a negative pressure mechanism is arranged in the lamp body and is communicated with the cavity of the damping fin. When temperature sensor sensed that lamp body temperature is too high, start negative pressure mechanism, the air in the extraction damping fin cavity makes damping fin and magnetism ball firmly adsorb, prevents lamp body and base separation, avoids the hand-off and then leads to the lamp body to drop because of the lamp body generates heat.

In addition, because the high temperature belongs to the low probability event, the damping fin can play a role in improving stability and reducing noise in a normal state, and each part is reasonably utilized.

The piston type negative pressure mechanism has small volume and is easy to install in the lamp body; the structure is simple, and the cost is relatively low; and the adsorption and desorption operations are easy to realize, and the practicability is good.

As a further improvement, the driving structure comprises a threaded cylinder connected with the piston, a threaded rod is connected with the threaded cylinder in a threaded manner, one end of the threaded rod, far away from the piston, is provided with a motor connected with the cylinder, an output shaft of the motor is connected with the threaded rod, the threaded rod is driven to rotate when the motor rotates, and the threaded rod is matched with the threaded cylinder, so that the piston slides along with the threaded cylinder.

As a further improvement, a sealing ring is arranged on the piston to improve the sealing performance.

As a further improvement, the heat dissipation structure further comprises a support rod connected to the inner wall of the lamp housing, a clamping ring is arranged on the support rod, a connecting shaft capable of sliding along the up-down direction is arranged in the clamping ring, and the top of the connecting shaft is connected with the heat dissipation plate;

the outer side wall of the threaded cylinder is connected with a pin shaft, the cylinder body is provided with a sliding groove matched with the pin shaft, and the pin shaft penetrates through the sliding groove to extend to the outside of the cylinder body to be connected with a connecting shaft; when the negative pressure mechanism is started, the threaded cylinder drives the connecting shaft to ascend through the pin shaft, and then the heat dissipation plate is pushed to ascend so as to open the heat dissipation plate.

Through setting up liftable connecting axle, when lamp body inside temperature was higher than the setting value, when negative pressure mechanism started and adsorbed the magnetic ball, the screw thread section of thick bamboo rose and drove the connecting axle and risen, and then opened the heating panel, made the heat discharge in order to realize cooling down with higher speed.

As a further improvement, the connecting shaft is provided with a positioning ring, and the connecting shaft is positioned by the positioning ring for assembly.

As a further improvement, the wall surface lamp further comprises a wall surface fixing piece used for connecting the base, wherein the wall surface fixing piece is fixed on the wall body, and the base is connected with a connecting piece matched with the wall surface fixing piece, so that the base and the lamp body are fixed on the wall body through the wall surface fixing piece.

As a further improvement, the wall surface fixing piece is provided with a plurality of clamping blocks, and the connecting piece is provided with clamping grooves matched with the clamping blocks, so that the base can be fixed on the wall surface fixing piece in a clamping manner, and the base can be taken down conveniently.

By adopting the technical scheme, the installation convenience and the disassembly convenience of the wall lamp can be improved. When the desk lamp is installed, the wall surface fixing piece can be fixed on the wall surface, then the base is clamped into the wall surface fixing piece, and therefore the lamp body and the base can be taken down together to be used as a desk lamp. Meanwhile, the cleaning convenience is improved, and when the cleaning is needed, the base and the lamp body can be directly taken down for wiping and cleaning.

As a further improvement, the lamp body comprises a lamp shell, a light-transmitting plate for transmitting light is arranged on the lamp shell, a lamp plate is arranged on one side, close to the light-transmitting plate, of the lamp shell, a plurality of lamp beads are uniformly distributed on the lamp plate to provide a light source, a driving plate connected with the lamp plate is arranged on one side, far away from the light-transmitting plate, of the lamp shell, and a battery connected with the driving plate is arranged between the lamp plate and the driving plate.

The lamp plate and the drive plate are arranged at intervals, enough heat dissipation space is reserved between the lamp plate and the drive plate, the influence on the drive plate due to heat generation of the lamp plate can be avoided, and the service life of the drive plate is guaranteed.

As a further improvement, the driving plate is connected with a touch spring, and the touch spring is closely attached to the lamp housing so as to adjust the opening and closing of the lamp panel through the touch spring.

The beneficial effects of the utility model are as follows:

1. and the user experience effect is improved. The utility model adopts the magnetic attraction mode to connect the lamp body on the base, and can be taken down to be used as a small flashlight when necessary, thereby solving the problem of fixed use scene of the existing wall lamp. Through the magnetic ball connection, the adjustable angle range is wider, the use function and the use scene of the wall lamp are increased, and the use experience is optimized.

2. The stability is good. Through set up the damping fin on the piece is inhaled to the magnetism, make the lamp body rotate more stably when adjusting the lamp body and shine the angle, be difficult for skidding, simultaneously, also can reduce by a wide margin when angle regulation, the noise that piece friction produced is inhaled to magnetism ball and magnetism, has improved user's experience effect.

3. The safety is better. The utility model uses the damping fin, presets the cavity between the damping fin and the magnetic ball, and sets up the negative pressure mechanism in the lamp body, the negative pressure mechanism communicates with cavity of the damping fin. When temperature sensor sensed that lamp body temperature is too high, start negative pressure mechanism, the air in the extraction damping fin cavity makes damping fin and magnetism ball firmly adsorb, prevents lamp body and base separation, avoids the hand-off and then leads to the lamp body to drop because of the lamp body generates heat.

4. When the temperature is abnormal, the heat can be quickly dissipated. Normally, the heat dissipation plate is closed to prevent dust from entering the lamp housing. When the temperature of the lamp shell reaches a set value, the screw barrel of the negative pressure mechanism drives the connecting shaft to rise when contracting, and then the heat dissipation plate is pushed to open the heat dissipation plate, so that heat dissipation in the lamp shell is accelerated after the heat dissipation plate is opened, and the lamp body is enabled to dissipate heat rapidly. The heat dissipation of the lamp body is accelerated under the condition that no additional power source is added, the production cost is reduced, and the practicability is improved.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, embodiments of the utility model are illustrated by way of example and not by way of limitation, and like reference numerals refer to similar or corresponding parts and in which:

FIG. 1 is a perspective view of a magnetically attractable wall lamp of the present utility model;

FIG. 2 is a front view of a magnetically attractable wall lamp of the present utility model;

FIG. 3 is a left side view of the magnetic wall lamp of the present utility model;

FIG. 4 is a cross-sectional view A-A of FIG. 2;

FIG. 5 is a cross-sectional view B-B of FIG. 3;

FIG. 6 is an exploded view of the base of the magnetic wall lamp of the present utility model;

fig. 7 is a schematic structural view of a wall surface fixing member of the magnetic wall lamp of the present utility model;

FIG. 8 is a schematic structural view of a connector for a magnetic wall lamp according to the present utility model;

FIG. 9 is a schematic diagram of the negative pressure mechanism of the magnetic wall lamp of the present utility model;

fig. 10 is a schematic structural diagram of a heat dissipation structure of a magnetic wall lamp according to the present utility model;

fig. 11 is an enlarged view of a portion C of fig. 4;

FIG. 12 is a schematic circuit diagram of a drive plate;

FIG. 13 is a schematic circuit diagram of a lamp panel;

fig. 14 is a schematic structural view of embodiment 6 of the present utility model.

Reference numerals illustrate:

1. a base; 11. a magnetic ball; 12. a connecting piece; 2. a lamp body; 21. a fastener; 22. a magnetic attraction piece; 221. a damping sheet; 23. a negative pressure mechanism; 231. a cylinder; 232. a cavity; 233. an air inlet hole; 234. a piston; 235. a seal ring; 236. a thread cylinder; 237. a pin shaft; 238. a threaded rod; 239. a motor; 24. a driving plate; 25. a lamp housing; 26. a heat dissipation structure; 261. a heat dissipation plate; 262. a connecting shaft; 263. a positioning ring; 264. a clasp; 265. a support rod; 266. a clamping groove; 27. a battery; 28. a lamp panel; 29. a light-transmitting plate; 3. wall surface fixing parts.

Detailed Description

The following description of the embodiments of the present utility model will be made more complete and clear to those skilled in the art by reference to the figures of the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the prior art, most of wall lamps are of an integral and non-detachable structure, and the connection mode of the bottom shell and the lamp body is generally a rotating shaft or fixed and non-movable.

Aiming at the problems, the base and the lamp body are structurally connected in a magnetic attraction mode, and the magnetic balls are adopted to be matched for adsorption, so that the adjustable range is wide, and the use function and the use scene of the wall lamp are increased. Meanwhile, in order to prevent the lamp body from heating, the user is subconscious and loose, and the lamp body falls off. The utility model also provides a structure for preventing the hands from being taken off. The structure utilizes the damping fin, a cavity is preset between the damping fin and the magnetic ball, and a negative pressure mechanism is arranged in the lamp body and is communicated with the cavity of the damping fin. When temperature sensor sensed that lamp body temperature is too high, start negative pressure mechanism, the air in the extraction damping fin cavity makes damping fin and magnetism ball firmly adsorb, prevents lamp body and base separation, avoids the hand-off and then leads to the lamp body to drop because of the lamp body generates heat.

The negative pressure mechanism adopts a piston type negative pressure mechanism, when the temperature of the lamp housing reaches a set value to cause the negative pressure mechanism to start, the threaded cylinder of the negative pressure mechanism drives the connecting shaft to rise during shrinkage, and then the heat dissipation plate is pushed to open the heat dissipation plate, and heat dissipation in the lamp housing is accelerated after the heat dissipation plate is opened, so that the lamp body can dissipate heat rapidly.

When the lamp body is assembled, the driving plate is fixed through the screw, the negative pressure mechanism is fixed in the clamping groove in the lamp shell, then the connecting shaft is clamped in the clamping ring, the opening is formed in the clamping ring, the clamping ring is a plastic clamping ring, certain deformability is achieved, the connecting shaft can be clamped in the clamping ring, the clamping groove is formed in the bottom of the connecting shaft, the connecting shaft is connected with the pin shaft through the clamping groove, the battery, the lamp panel and the light-transmitting plate are sequentially installed, finally the heat dissipation plate is buckled on the lamp shell, and the bottom of the heat dissipation plate is clamped with the top of the connecting shaft.

In the circuit, the charging part, USB interface connection adapter comes in 5V voltage, charge for the battery through 4056A and peripheral circuit to change the mode that the current increases when detecting the resistance value and realizing the lamp that goes out through NMOS drop-down and accelerate the charge rate, realize that the electric quantity is full of fast, add a DW02 to the battery overcharge and put the protection, because 4056A also has overcharge protection and MCU to set for overcharge protection, realized having obtained dual protection to the battery, thereby improved the life of battery. And when the voltage reducing part is connected with the adapter, the MCU recognizes that 5V input exists, the battery is disconnected to supply power, the voltage is converted into 5V, the voltage is reduced through the HI7010 voltage reducing chip and the peripheral circuit to supply power to the lamp beads, the working efficiency is improved, and the MCU adjusts PWM signals to the voltage reducing chip by recognizing the state of a touch point, so that the dimming function is realized.

Having described the basic principles of the present utility model, various non-limiting embodiments of the utility model are described in detail below. Any number of elements in the figures are for illustration and not limitation, and any naming is used for distinction only and not for any limiting sense.

The principles and spirit of the present utility model are explained in detail below with reference to several representative embodiments thereof.

Example 1 of the magnetic wall lamp provided by the utility model:

as shown in fig. 1-13, the magnetic wall lamp comprises a wall surface fixing piece 3, a base 1 and a lamp body 2;

as shown in fig. 7, the wall fixing member 3 is fixed to the wall by screws (or other fixing members), and three block structures are provided on the wall fixing member 3 to fix the base 1 to the wall fixing member 3.

As shown in fig. 6, a magnetic ball 11 is connected above the base 1 through a screw, a connecting piece 12 for being matched with the wall surface fixing piece 3 is connected below the base 1 through a screw, and as shown in fig. 8, a clamping groove matched with the wall surface fixing piece 3 is formed in the connecting piece 12, so that the base 1 can be directly clamped on the wall surface fixing piece 3.

As shown in fig. 4 and fig. 5, the lamp body 2 includes a lamp housing 25 and a light-transmitting plate 29 mounted on the lamp housing 25 for transmitting light, wherein a lamp panel 28 is disposed inside the lamp housing 25, and as shown in fig. 13, in this embodiment, 42 lamp beads are connected in parallel to the lamp panel 28 to provide a light source.

The bottom of lamp body 25 install with magnetism ball 11 complex magnetism inhale piece 22, magnetism inhale piece 22 and pass through fastener 21 to be fixed in lamp body 25 bottom, lamp body 2 is inhaled piece 22 through the magnetism and is connected on magnetism ball 11, magnetism inhale piece 22 use magnet piece or iron sheet all, magnetism inhale piece 22 be equipped with concave sphere to increase with the area of contact of magnetism ball 11, make magnetism ball 11 and magnetism inhale piece 22 laminating, sphere adjustable range is wider, the practicality is better.

As shown in fig. 4 and 11, a damping piece 221 installed on the magnetic piece 22 is further provided between the magnetic ball 11 and the magnetic piece 22, in this embodiment, the damping piece 221 is a silica gel piece, so as to improve the supporting stability of the lamp body 2, and the lamp body 2 rotates more stably when adjusting the angle, is not easy to slip, and meanwhile, can avoid sharp sound generated by contact friction between metals; when the magnetic ball 11 and the magnetic suction sheet 22 are adsorbed, a cavity is reserved between the damping sheet 221 and the magnetic ball 11, a negative pressure mechanism 23 is arranged in the lamp body 2, the negative pressure mechanism 23 is communicated with the cavity, a temperature sensor (not shown in the figure) is further arranged in the lamp body 2, the temperature sensor is fixed on the inner wall of the lamp housing 25, when the temperature of the lamp body 2 is higher than a set value (the temperature value can be adjusted between 40 ℃ and 45 ℃), the negative pressure mechanism 23 is started to form negative pressure in the cavity, so that the lamp body 2 cannot be manually taken down when being connected to the base 1.

As shown in fig. 9, the negative pressure mechanism 23 includes a cylinder 231 installed in the lamp housing 25, a piston 234 is slidably connected to the cylinder 231, a sealing ring 235 is provided on the piston 234 to ensure sealing effect, a cavity 232 is formed between the piston 234 and a bottom cover of the cylinder 231, an air inlet 233 is provided on a side wall of the cavity 232, the air inlet 233 is communicated with a cavity of the damping fin 221 through a rubber tube, and a driving structure for driving the piston 234 to slide is further provided in the cylinder 231. In this embodiment, the driving structure includes a threaded cylinder 236 connected to the piston 234, a threaded rod 238 connected to the threaded cylinder 236, a motor 239 connected to the cylinder 231 and disposed at one end of the threaded rod 238 far from the piston 234, an output shaft of the motor 239 connected to the threaded rod 238, and the threaded rod 238 driven to rotate when the motor 239 rotates, wherein the threaded rod 238 is matched with the threaded cylinder 236, so that the piston 234 slides along with the threaded cylinder 236.

In this embodiment, the lamp body is further provided with a heat dissipation structure 26, the heat dissipation structure 26 further includes a support rod 265 connected to the inner wall of the lamp housing 25, a snap ring 264 is provided on the support rod 265, the snap ring 264 is provided with an opening, the snap ring 264 is a plastic snap ring, and has a certain deformation capability, so that the connecting shaft 262 can be clamped into the snap ring 264, the connecting shaft 262 capable of sliding along the up-down direction is provided in the snap ring 264, the top of the connecting shaft 262 is connected with a heat dissipation plate 261, the color of the heat dissipation plate 261 is consistent with that of the lamp housing, and in a normal state, the heat dissipation plate 261 is closed, so that dust can be prevented from entering the inside of the lamp housing 25;

the outer side wall of the threaded cylinder 236 is connected with a pin shaft 237, the cylinder 231 is provided with a chute matched with the pin shaft 237, and the pin shaft 237 extends to the outside of the cylinder 231 through the chute and is connected with the connecting shaft 262; when the negative pressure mechanism 23 is started, the threaded cylinder 236 drives the connecting shaft 262 to ascend through the pin shaft 237, so as to push the heat dissipation plate 261 to ascend to open the heat dissipation plate 261.

In this embodiment, the connecting shaft 262 is provided with a positioning ring 263, and the positioning ring 263 is used for positioning for assembly.

As shown in fig. 4, the lamp panel 28 is disposed at one side of the lamp housing 25, which is close to the light-transmitting plate 29, a driving plate 24 connected with the lamp panel 28 is disposed at one side of the lamp housing 25, which is far away from the light-transmitting plate 29, the driving plate 24 is provided with a USB interface so as to be externally connected with a power supply, a battery 27 connected with the driving plate 24 is disposed between the lamp panel 28 and the driving plate 24, and the lamp panel 28 and the driving plate 24 are arranged at intervals, so that the influence of the heat generated by the lamp panel 28 on the service life of the driving plate 24 can be avoided.

As shown in fig. 12, the lighting circuit of the wall lamp is divided into three parts:

1. and the charging part is connected with the adapter through the USB interface and charges the battery by 5V voltage through a 4056A and a peripheral circuit, the 4056A is a battery charging management chip, the charging speed is accelerated by changing the resistance value of the detection resistor through NMOS pull-down to realize the current increase mode when the lamp is turned off, the NMOS is a switch element, the turn-on and turn-off of the circuit can be realized by a certain signal, the DW02 is additionally used for overcharge and over-discharge protection of the battery, the DW02 is a battery protection chip, and the 4056A also has overcharge protection and MCU is provided with overcharge protection, the MCU is a singlechip and can be a programmable chip, so that double protection of the battery is realized.

2. And when the voltage reducing part is connected with the adapter, the MCU recognizes that 5V input is available, the battery is disconnected, the voltage is converted into 5V, the 5V voltage is reduced through the HI7010 voltage reducing chip and the peripheral circuit to supply power to the lamp beads, the HI7010 is a switching power supply voltage reducing chip, the working efficiency is improved, the MCU adjusts PWM signals of the voltage reducing chip by recognizing the state of a touch point, and the PWM signals are pulse control signals, so that the dimming function is realized.

3. And when the adapter is connected with 5V input, the PMOS is closed, and the battery is cut off to supply power to the lamp beads. The cathode of the lamp bead is grounded through an NMOS and a current limiting resistor, and the MCU controls the NMOS switch to realize the dimming function by outputting a PWM signal.

The lamp panel 28 and the driving plate 24 are arranged at intervals, enough heat dissipation space is reserved between the lamp panel 28 and the driving plate 24, the influence on the driving plate 24 caused by heating of the lamp panel 28 can be avoided, and the service life of the driving plate 24 is ensured.

In this embodiment, the driving plate 24 is connected with a touch spring, and the touch spring is closely attached to the lamp housing 25 so as to adjust the opening and closing of the lamp panel 28 through the touch spring.

Example 2 of the magnetic wall lamp provided by the utility model:

the differences from example 1 are mainly that:

in the present embodiment, the magnetic ball 11 is replaced with an iron ball, and the magnet piece 22 is a magnet piece, so that the same adsorption effect can be achieved.

Example 3 of the magnetic wall lamp provided by the utility model:

the differences from example 1 are mainly that:

in embodiment 1, the driving structure includes a threaded cylinder 236 connected to the piston 234, a threaded rod 238 connected to the threaded cylinder 236 in a threaded manner, a motor 239 connected to the cylinder 231 is disposed at an end of the threaded rod 238 away from the piston 234, an output shaft of the motor 239 is connected to the threaded rod 238, and the threaded rod 238 is driven to rotate when the motor 239 rotates, and the threaded rod 238 is engaged with the threaded cylinder 236, so that the piston 234 slides along with the threaded cylinder 236.

In this embodiment, the driving structure is an outsourced electric telescopic rod, and the piston 234 is driven to move by the expansion and contraction of the electric telescopic rod.

Example 4 of the magnetic wall lamp provided by the utility model:

the differences from example 1 are mainly that:

in this embodiment, the light-transmitting plate 29 is frosted, and the light is softened by diffuse reflection.

Example 5 of the magnetic wall lamp provided by the utility model:

the differences from example 1 are mainly that:

the heat dissipation plate 261 is hinged on the lamp housing 25, and the heat dissipation plate 261 is pushed to be opened through the connecting shaft 262.

Example 6 of the magnetic wall lamp provided by the utility model:

the differences from example 1 are mainly that: as shown in fig. 14, in this embodiment, the base 1 is made of a plastic plate, and the thickness of the base is about 5mm, and this embodiment is mainly aimed at users who do not like a large base. In other embodiments, the base may also be adjusted according to the needs of the customer.

While various embodiments of the present utility model have been shown and described herein, it will be obvious to those skilled in the art that such embodiments are provided by way of example only. Many modifications, changes, and substitutions will now occur to those skilled in the art without departing from the spirit and scope of the utility model. It should be understood that various alternatives to the embodiments of the utility model described herein may be employed in practicing the utility model. The appended claims are intended to define the scope of the utility model and are therefore to cover all module forms, equivalents, or alternatives falling within the scope of the claims.

Claims

1. Wall lamp is inhaled to magnetism, includes:

a base (1);

the lamp body (2) is detachably connected to the base (1), the lamp body (2) comprises a lamp housing (25) and a light-transmitting plate (29) which is arranged on the lamp housing (25) and is used for transmitting light, and a lamp plate (28) is arranged inside the lamp housing (25);

the LED lamp is characterized in that the base (1) is provided with a magnetic ball (11), the lamp housing (25) is provided with a magnetic attraction piece (22) matched with the magnetic ball (11), and the lamp housing (25) is connected to the magnetic ball (11) through the magnetic attraction piece (22) so that the irradiation angle of the lamp body (2) can be adjusted by itself;

damping sheets (221) arranged on the magnetic attraction sheets (22) are further arranged between the magnetic balls (11) and the magnetic attraction sheets (22) so as to improve the support stability of the lamp body (2) and enable the lamp body (2) not to slip easily when the irradiation angle is adjusted in a rotating mode; when the magnetic ball (11) is adsorbed by the magnetic adsorption sheet (22), a cavity is reserved between the damping sheet (221) and the magnetic ball (11), a negative pressure mechanism (23) is arranged in the lamp housing (25), the negative pressure mechanism (23) is communicated with the cavity, a temperature sensor is further arranged on the inner wall of the lamp housing (25), and when the temperature of the lamp housing (25) is higher than a set value, the negative pressure mechanism (23) is started to enable negative pressure to be formed in the cavity, so that the lamp housing (25) is connected to the base (1) and cannot be taken down manually;

the negative pressure mechanism (23) comprises a cylinder body (231) arranged in the lamp housing (25), a piston (234) is connected in a sliding manner in the cylinder body (231), a cavity (232) is formed between the piston (234) and a bottom cover of the cylinder body (231), the cavity (232) is communicated with the cavity, and a driving structure for driving the piston (234) to slide is further arranged in the cylinder body (231);

the driving structure comprises a threaded cylinder (236) connected with the piston (234), a threaded rod (238) is connected with the threaded cylinder (236) in an internal thread way, a motor (239) connected with the cylinder (231) is arranged at one end, far away from the piston (234), of the threaded rod (238), an output shaft of the motor (239) is connected with the threaded rod (238), the threaded rod (238) is driven to rotate when the motor (239) rotates, and the threaded rod (238) is matched with the threaded cylinder (236) so that the piston (234) slides along with the threaded cylinder (236);

a heat dissipation structure (26) is further arranged in the lamp housing (25), the heat dissipation structure (26) comprises a heat dissipation plate (261) which is arranged on the lamp housing (25) and can be opened and closed, when the temperature of the lamp housing (25) is lower than a set value, the heat dissipation plate (261) is closed to prevent external dust from entering the inside of the lamp housing (25), and when the temperature of the lamp housing (25) is higher than the set value, the negative pressure mechanism (23) is started and drives the heat dissipation plate (261) to be opened to enable the inside of the lamp housing (25) to be communicated with the outside so as to accelerate heat dissipation;

the heat dissipation structure (26) further comprises a support rod (265) connected to the inner wall of the lamp housing (25), a clamping ring (264) is arranged on the support rod (265), a connecting shaft (262) capable of sliding along the up-down direction is arranged in the clamping ring (264), and the top of the connecting shaft (262) is connected with the heat dissipation plate (261);

the outer side wall of the threaded cylinder (236) is connected with a pin shaft (237), the cylinder (231) is provided with a chute matched with the pin shaft (237), and the pin shaft (237) penetrates through the chute to extend to the outside of the cylinder (231) to be connected with a connecting shaft (262); when the negative pressure mechanism (23) is started, the threaded cylinder (236) drives the connecting shaft (262) to ascend through the pin shaft (237), so that the heat dissipation plate (261) is pushed to ascend to open the heat dissipation plate (261).

2. A magnetically attractable wall lamp as claimed in claim 1, wherein: a sealing ring (235) is arranged on the piston (234) to improve the sealing performance.

3. A magnetically attractable wall lamp as claimed in claim 1, wherein: the connecting shaft (262) is provided with a positioning ring (263), and the connecting shaft is positioned by the positioning ring (263) for assembly.

4. A magnetically attractable wall lamp as claimed in claim 1, wherein: still including being used for connecting wall mounting (3) of base (1), wall mounting (3) are fixed on the wall body, base (1) are connected with wall mounting (3) complex connecting piece (12) for base (1) and lamp body (2) are fixed on the wall body through wall mounting (3).

5. The magnetically attractable wall lamp of claim 4 wherein: the wall surface fixing piece (3) is provided with a plurality of clamping blocks, and the connecting piece (12) is provided with clamping grooves matched with the clamping blocks, so that the base (1) can be fixed on the wall surface fixing piece (3) in a clamping manner, and the base (1) can be taken down conveniently.

6. A wall lamp as claimed in any one of claims 1 to 5, wherein: the lamp panel (28) is arranged on one side close to the light-transmitting plate (29), a driving plate (24) connected with the lamp panel (28) is arranged on one side, far away from the light-transmitting plate (29), of the inside of the lamp housing (25), and a battery (27) connected with the driving plate (24) is arranged between the lamp panel (28) and the driving plate (24).

7. The magnetically attractable wall lamp of claim 6 wherein: the driving plate (24) is connected with a touch spring, the touch spring is closely attached to the lamp housing (25) so as to adjust the opening and closing of the lamp panel (28) through the touch spring.