CN212259379U

CN212259379U - Vibration switch circuit and flashlight

Info

Publication number: CN212259379U
Application number: CN202020700727.1U
Authority: CN
Inventors: 何永清; 党广永; 江艳
Original assignee: Shenzhen Leimingyu Photoelectric Co ltd
Current assignee: Shenzhen Leimingyu Photoelectric Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-29
Anticipated expiration: 2030-04-30

Abstract

The utility model provides a vibrations switch circuit, including lamp pearl drive module, vibrations sensor, singlechip and power module, the singlechip is connected with lamp pearl drive module, vibrations sensor and power module respectively. The beneficial effects of the utility model reside in that: the circuit realizes power on and power off by detecting vibration, is applied to the flashlight, realizes power on and power off of the flashlight by detecting vibration, avoids special waterproof design for a physical switch, increases the reliability of the flashlight and reduces the cost of the flashlight.

Description

Vibration switch circuit and flashlight

Technical Field

The utility model belongs to the technical field of the flashlight technique and specifically relates to indicate a vibrations switch circuit and flashlight.

Background

Based on the existing problems in the existing flashlight industry:

1. the flashlight switch is fixed at one position, and the flashlight can be lightened or adjusted only by finding the switch position when the flashlight is used at night;

2. the existing switch of the flashlight has the waterproof function, and is complex in structure and high in cost;

3. most of switches based on diving flashlights are magnetic control inductive at present, the switches are high in cost and easy to malfunction, and hidden dangers are too large when the switches are used in deep sea.

There is a need for improvements in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the vibration switch circuit and the flashlight are simple in structure and high in reliability.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a vibrations switch circuit, includes lamp pearl drive module, vibrations sensor, singlechip and power module, the singlechip is connected with lamp pearl drive module, vibrations sensor and power module respectively.

Further, the vibration sensor is a spring vibration switch or a ball vibration switch.

Further, the power module comprises an overcurrent protection unit, and the overcurrent protection unit is used for disconnecting the power supply when detecting that the current in the circuit is greater than a preset value.

Further, still include temperature detection module, temperature detection module is used for the temperature of detection lamp pearl.

Further, the lamp bead driving module is a constant current driving module, and the constant current driving module is a multi-path constant current output module or a direct constant current output module.

The utility model discloses still relate to a flashlight, including lamp holder subassembly, stack shell, mainboard and tail-hood, the lamp holder sets up in the one end of stack shell, the tail-hood passes through threaded connection in the other end of stack shell, the mainboard set up in the lamp holder with between the stack shell, the mainboard includes the aforesaid arbitrary one vibrations switch circuit.

Further, the lamp holder subassembly includes lamp holder lid, protection glass, anti-light cup, lamp pearl seat and lamp pearl, lamp holder lid, protection glass, anti-light cup and lamp pole seat set gradually in the stack shell from within outer, the lamp pearl sets up in one side of lamp pearl seat towards the stack shell outside, the lamp pearl with the mainboard passes through connection of electric lines.

Furthermore, the light reflecting cup is a smooth cup or an orange peel cup.

Furthermore, the cylinder body is provided with an annular heat radiation fin which is arranged at one end of the cylinder body close to the lamp holder.

Furthermore, a waterproof ring is arranged between the cylinder body and the tail cover.

The beneficial effects of the utility model reside in that: the circuit realizes power on and power off by detecting vibration, is applied to the flashlight, realizes power on and power off of the flashlight by detecting vibration, avoids special waterproof design for a physical switch, increases the reliability of the flashlight and reduces the cost of the flashlight.

Drawings

The specific structure of the present invention is detailed below with reference to the accompanying drawings:

fig. 1 is a schematic diagram of a circuit functional structure of the present invention;

fig. 2 is a schematic view of the overall structure of the flashlight of the present invention;

FIG. 3 is a schematic cross-sectional view of the flashlight of the present invention;

10-a lamp head assembly; 11-a lamp cap cover; 12-protective glass; 13-a light-reflecting cup; 14-lamp beads; 15-lamp post base; 16-fixing a rubber ring; 17-waterproof rubber ring;

20-a main board; 21-a shock sensor; 30-a barrel body; 31-ring-shaped heat dissipation fins; 40-tail cover; 41-elastic electrodes; 42-waterproof ring; 50-battery.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the description of the invention referring to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Example 1

Referring to fig. 1, the vibration switch circuit comprises a lamp bead driving module, a vibration sensor, a single chip microcomputer and a power module, wherein the single chip microcomputer is respectively connected with the lamp bead driving module, the vibration sensor and the power module.

In this embodiment, in order to prevent the power-on and power-off triggered by unexpected vibrations, the singlechip can be used for detecting the vibration times of the vibration switch to realize the power-on and power-off, for example, the singlechip can continuously vibrate for N times to enter the power-on working mode, then continuously vibrate for N times to enter the power-off working mode, and the irregular vibration singlechip does not switch the working mode. Meanwhile, the working modes can be switched by the vibration times, for example, in the electrified working mode, the lamp bead driving module continuously vibrates for A times and enters a high-brightness working mode; vibrating for B times continuously, and enabling the lamp bead driving module to enter a low-brightness working mode; shake C times in succession, lamp pearl drive module gets into flashing mode etc..

In addition, the time for detecting the vibration interval can also be preset in the singlechip, for example, the vibration switch is knocked for A times, and the lamp bead driving module enters an SOS help-seeking working mode; or the vibration interval time is less than the preset time, the singlechip can not switch the working mode.

From the above description, the beneficial effects of the present invention are: the utility model provides a through detecting the circuit that vibrations realized switching on, cutting off power supply, this circuit passes through the detection of singlechip to vibrations switch, and when vibrations condition satisfied the predetermined condition, singlechip control lamp pearl drive module was the lamp pearl power supply, and this circuit has made things convenient for switch electrical operation, owing to cancelled physical switch, has also increased the reliability of circuit.

Example 2

On the basis of the embodiment 1, the vibration sensor is a spring vibration switch or a ball vibration switch.

In the embodiment, the spring vibration switch senses the magnitude of vibration force or centrifugal force, and is preferably suitable for an upright use scene; the ball vibration switch senses the change of the angle, is preferably suitable for a tiled use scene, and can be applied to different vibration switches according to different use scenes.

Example 3

On the basis of embodiment 2, the power supply module includes an overcurrent protection unit, and the overcurrent protection unit is configured to disconnect the power supply when detecting that a current in the circuit is greater than a preset value.

In this embodiment, the overcurrent protection unit can detect the current in the circuit, and when the current is abnormal, the overcurrent protection unit can cut off the power supply in time, thereby achieving the purpose of protecting other devices of the circuit.

Example 4

On the basis of embodiment 3, still include the temperature detection module, the temperature detection module is used for detecting the temperature of lamp pearl.

In this embodiment, because LED lamp pearl luminous efficiency descends along with the temperature rising, and under long-time high temperature operating condition, the light decay phenomenon can appear to LED lamp pearl, when temperature detection module detected lamp pearl temperature and exceeded when predetermineeing the temperature, the singlechip can control lamp pearl drive module and reduce output, reaches the purpose of guard lamp pearl.

Example 5

On the basis of the embodiment 4, the lamp bead driving module is a constant current driving module, and the constant current driving module is a multi-path constant current output module or a direct constant current output module.

In the embodiment, the multi-path constant current output module can be used for driving a plurality of paths of LED lamp beads, and when a certain path of LED lamp bead breaks down, the work of other LEDs cannot be influenced;

the direct constant-current output module can be used for driving a single LED lamp bead, so that the circuit space can be saved, and the circuit cost can be effectively reduced.

Example 6

Referring to fig. 2 and 3, the present invention further relates to a flashlight, which includes a lamp holder assembly 10, a barrel 30, a main board 20 and a tail cap 40, wherein the lamp holder assembly 10 is disposed at one end of the barrel 30, the tail cap 40 is connected to the other end of the barrel 30 through a screw, the main board 20 is disposed between the lamp holder assembly 20 and the barrel 30, and the main board 20 includes the vibration switch circuit.

In this embodiment, the singlechip realizes the circular telegram and the outage of flashlight through detecting vibrations, has got rid of the setting of physical switch, need not to do special waterproof design for physical switch, has reduced the design degree of difficulty of flashlight structure, has increased the waterproof performance of flashlight, has reduced the cost of flashlight.

Example 7

On the basis of embodiment 6, the lamp holder assembly includes lamp holder lid 11, protective glass 12, reflection of light cup 13, lamp holder 15 and lamp pearl 14, lamp holder lid 11, protective glass 12, reflection of light cup 13 and lamp pole holder 15 set gradually in barrel 30 from within to outside, lamp pearl 14 sets up in lamp pearl holder 15 towards the outside one side of barrel, lamp pearl 14 with mainboard 20 passes through the connection of electric lines.

In this embodiment, the lamp pearl seat is equipped with the mainboard mounting groove towards stack shell one end, and the lamp pearl seat is equipped with the lamp pearl mounting groove towards luminous direction one end, puts into the lamp pearl mounting groove with the lamp pearl, puts into the mainboard mounting groove with the mainboard, passes through electric wire welding mode with lamp pearl and mainboard and is connected, then inserts the lamp pearl seat into the stack shell, utilizes the inside boss of stack shell to fix the mainboard between stack shell and lamp pearl seat, and in order to guarantee heat dispersion, the side coating of lamp pearl seat has heat dissipation silicone grease. The reflecting cup is sleeved on the lamp bead, so that the lamp bead is positioned at the focusing position of the bottom end of the reflecting cup, the protective glass is covered on the cup opening of the reflecting cup, and finally the lamp cap cover is covered and connected at the port of the barrel body, so that the assembly of the flashlight is realized.

The cap is preferably screwed to the shaft.

In order to ensure the waterproof performance, a waterproof rubber ring is arranged between the protective glass and the reflecting cup, and a waterproof rubber ring is arranged between the protective glass and the lamp cap cover.

In order to ensure that the reflection cup is more reliably fixed, a fixed rubber ring 16 is arranged between the lamp bead seat and the reflection cup, so that the displacement of the reflection cup caused by vibration can be effectively prevented.

The main board 20 is provided with a vibration sensor 21, and one side of the main board 20 facing the tail cover is provided with a metal contact, and the metal contact is preferably an elastic electrode. Similarly, the tail cover 40 is also provided with an elastic electrode 41, which can ensure that the battery in the cylinder body is in good contact.

The outer side of the cylinder body is provided with anti-skid lines which can play a role of anti-skid; the outer side of the cylinder body is also provided with an anti-rolling bulge which can prevent the flashlight from rolling when being placed on an inclined plane; the outside of tail-hood is equipped with anti-skidding line, can convenience of customers unscrew the tail-hood and trade the battery.

Example 8

On the basis of the embodiment 7, the reflective cup 13 is a smooth cup or an orange peel cup.

In the embodiment, the smooth cup has a good light condensation effect, so that the flashlight can illuminate farther, and the effective illumination distance of the flashlight is increased;

the orange peel cup can obtain more uniform light spots due to the Gaussian reflection effect, and is favorable for increasing the irradiation range.

Different reflective cups can be selected according to the use scene.

Example 9

On the basis of the embodiment 8, the cylinder body is provided with the annular heat dissipation fins 31, and the annular heat dissipation fins are arranged at one end of the cylinder body close to the lamp holder.

In this embodiment, the barrel body is provided with the heat dissipation fins, so that the surface area of the barrel body can be effectively increased, and the heat dissipation effect is enhanced.

Example 10

On the basis of the embodiment 9, a waterproof ring 42 is arranged between the barrel 30 and the tail cover 40.

In this embodiment, in order to further guarantee water-proof effects, the stack shell is close to tail-hood one end and is equipped with waterproof circle groove, and the cover has waterproof circle in the waterproof circle groove, after screwing on the stack shell with the tail-hood, waterproof circle can fill the space between tail-hood and the stack shell, realizes water-proof effects.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A vibration switch circuit, characterized in that: including lamp pearl drive module, vibrations sensor, singlechip and power module, the singlechip is connected with lamp pearl drive module, vibrations sensor and power module respectively, power module includes overcurrent protection unit, overcurrent protection unit is arranged in detecting when the electric current in the circuit is greater than the default, the power supply of disconnection.

2. The shock switch circuit of claim 1, wherein: the vibration sensor is a spring vibration switch or a ball vibration switch.

3. The vibrating switch circuit of claim 2, wherein: still include temperature detection module, temperature detection module is used for the temperature of detection lamp pearl.

4. The shock switch circuit of claim 3, wherein: the lamp bead driving module is a constant current driving module, and the constant current driving module is a multi-path constant current output module or a direct constant current output module.

5. A flashlight, characterized by: the lamp holder is arranged at one end of the cylinder body, the tail cover is connected to the other end of the cylinder body through threads, the mainboard is arranged between the lamp holder and the cylinder body, and the mainboard comprises the vibration switch circuit as claimed in any one of claims 1 to 4.

6. The flashlight of claim 5, wherein: the lamp holder subassembly includes lamp holder lid, protection glass, anti-light cup, lamp pearl seat and lamp pearl, lamp holder lid, protection glass, anti-light cup and lamp pole seat set gradually in the barrel from within to outside, the lamp pearl sets up in the outside one side of lamp pearl seat towards the barrel, the lamp pearl with the mainboard passes through connection of electric lines.

7. The flashlight of claim 6, wherein: the light reflecting cup is a smooth cup or an orange peel cup.

8. The flashlight of claim 7, wherein: the cylinder body is provided with annular heat radiation fins which are arranged at one end of the cylinder body close to the lamp holder.

9. The flashlight of claim 8, wherein: a waterproof ring is arranged between the barrel body and the tail cover.