CN213661234U

CN213661234U - Watch charging seat using Hall switch

Info

Publication number: CN213661234U
Application number: CN202022280155.9U
Authority: CN
Inventors: 张俊军; 李智洋; 吴斗风; 彭文福
Original assignee: Dongguan Yuqiu Electronics Co ltd
Current assignee: Dongguan Yuqiu Electronics Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-07-09
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a watch charging seat using Hall switch, which comprises a shell, a PCB board and a DC power line, wherein the PCB board and the DC power line are arranged in the shell, the PCB board is provided with a positive electrode and a negative electrode, the end parts of the positive electrode and the negative electrode extend out of the upper end surface of the shell, the watch is provided with a conductive positive electrode and a conductive negative electrode which are in one-to-one correspondence with the positive electrode and the negative electrode, and the PCB board is provided with a Hall switch which is used for controlling whether the positive electrode and; and the watch is provided with a plurality of magnets for triggering the Hall switch to work. When the watch is placed on the upper end face of the shell, the conductive anode and the conductive cathode of the watch are respectively in one-to-one butt joint with the positive electrode and the negative electrode on the shell, the magnet in the watch is close to the Hall switch, the Hall switch is triggered to work by the magnetic field of the magnet to control the positive electrode and the negative electrode to output power, charging is achieved, when the watch is far away from the shell of the watch charging seat, the Hall switch does not sense the magnetic field, the positive electrode and the negative electrode do not output power, and the watch is safer to use.

Description

Watch charging seat using Hall switch

The technical field is as follows:

the utility model relates to a wrist-watch charging technical field refers in particular to an use hall switch's wrist-watch charging seat.

Background art:

along with rapid development of science and technology, the living standard of people is gradually improved, and intelligent wearing equipment in recent years develops hot and hot day by day, and intelligent wearing equipment such as intelligent wrist-watch, intelligent bracelet has been loved by people gradually, especially apple company pushes out APPLE WATCH after, pushes up new trend with this field of intelligent wearing equipment, and each big intelligent equipment manufacture factory successively pushes out various intelligent wrist-watches. The intelligent watch is a main representative product integrating various mainstream functions of intelligent wearable equipment, and the intelligent watch on the market has strong functions, namely, the functions of detecting the motion state, the heart rate health of a human body, air pressure change, short message mail, voice interaction, navigation and the like are added besides displaying time and timing. But as functionality increases, power consumption also increases.

The wrist-watch charger among the prior art is equipped with the power cord that is used for being connected with the power, and the back of wrist-watch is placed on the charger, lets the electrode lead and connects, realizes charging connection. When in use, the watch charger outputs power regardless of whether the watch is close to the charging seat for charging (i.e., regardless of whether the watch is charging). At this time, if a conductor (such as an iron sheet or a coin) contacts the charging electrode, the circuit is easily short-circuited, the heat is generated, and the product is burnt in serious cases, even a fire is caused.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art's not enough, provide an use hall switch's wrist-watch charging seat.

In order to solve the technical problem, the utility model discloses a following technical scheme: the watch charging seat applying the Hall switch comprises a shell, a PCB arranged in the shell and a DC power line connected with the PCB, wherein the PCB is provided with a positive electrode and a negative electrode, the end parts of the positive electrode and the negative electrode extend out of the upper end surface of the shell, the watch is provided with a conductive positive electrode and a conductive negative electrode which are in one-to-one correspondence with the positive electrode and the negative electrode, and the PCB is provided with the Hall switch used for controlling whether the positive electrode and the negative electrode output; and a plurality of magnets for triggering the Hall switch to work are arranged on the watch.

Furthermore, in the above technical scheme, an iron block used for magnetically attracting and positioning with the magnet is further arranged in the housing, so that the magnet and the iron block are magnetically attracted and positioned after the watch is attached to the housing.

Furthermore, in the above technical solution, the number of the iron blocks is two, the two iron blocks are distributed on two sides of the PCB, and the hall switch is located between the two iron blocks; the number of the magnets is two, and the magnets correspond to the two iron blocks one to one respectively.

Further, in the above technical solution, the upper end surface of the housing is provided with at least two convex portions of different shapes; the lower end face of the watch is provided with a groove matched with the convex part.

Furthermore, in the above technical solution, the convex part is rectangular, heart-shaped, quincunx, triangular, or circular; the groove is rectangular, heart-shaped, quincunx-shaped, triangular or circular.

Further, in the above technical solution, the positive electrode and the negative electrode are spring ejector pins.

Furthermore, in the above technical solution, the housing includes a casing and a bottom cover fixed to a lower end of the casing, the PCB is fixed to the casing by screws, and the iron block is fixed to a positioning groove formed in the casing by means of snap-fitting.

Furthermore, in the above technical solution, the bottom cover is provided with a first clamping plate and a second clamping plate, and a clamping gap for clamping the DC power line is formed between the first clamping plate and the second clamping plate.

Further, in the above technical solution, an MOS transistor is disposed on the PCB, an S-pole of the MOS transistor is connected to an anode of the DC power line, a D-pole of the MOS transistor is connected to the anode, and a G-pole of the MOS transistor is connected to an output pin of the hall switch.

Further, in the above technical solution, a USB interface is disposed at an end of the DC power line.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model arranges a Hall switch on a PCB board, and a plurality of magnets for triggering the Hall switch to work are arranged on the watch, so that when the watch needs to be charged, the watch is placed on the upper end surface of the shell of the watch charging seat, at the moment, the conductive anode and the conductive cathode of the watch are respectively in one-to-one butt joint with the positive electrode and the negative electrode on the shell, the magnet in the watch is close to the Hall switch, the Hall switch is triggered to work by the magnetic field of the magnet to control the output power of the positive electrode and the negative electrode, thereby realizing the charging of the watch, when the watch is far away from the shell of the watch charging seat, the Hall switch does not sense the magnetic field, the positive electrode and the negative electrode do not output the power, the phenomena of product circuit short circuit, heating, burning and even fire caused by the mistaken contact of other conductors with the positive electrode, the use is safer.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of the utility model with the bottom cover removed;

fig. 3 is an exploded perspective view of the present invention;

FIG. 4 is a perspective view of the watch;

FIG. 5 is an exploded perspective view of the watch;

fig. 6 is a circuit diagram of the PCB board of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

As shown in fig. 1-6, a watch charging seat using hall switches includes a case 1, a PCB 2 mounted in the case 1, and a DC power line 3 connected to the PCB 2, the PCB 2 is provided with a positive electrode 21 and a negative electrode 22, the ends of the positive electrode 21 and the negative electrode 22 extend out of the upper end surface of the case 1, the watch 4 is provided with a conductive positive electrode 41 and a conductive negative electrode 42 corresponding to the positive electrode 21 and the negative electrode 22 one by one, and the PCB 2 is provided with a hall switch 23 for controlling whether the positive electrode 21 and the negative electrode 22 output; and a plurality of magnets 43 for triggering the hall switch 23 to work are arranged on the watch 4. The utility model discloses set up hall switch 23 on PCB board 2, and be provided with a plurality of magnets 43 that are used for triggering hall switch 23 work on wrist-watch 4, so that when needs charge to the wrist-watch, place wrist-watch 4 in the shell 1 up end of this wrist-watch charging seat, at this moment, this wrist-watch 4's electrically conductive positive pole 41 and electrically conductive negative pole 42 dock with positive electrode 21 and negative electrode 22 on the shell 1 respectively one by one, and magnet 43 in this wrist-watch 4 is close to hall switch 23, this hall switch 23 is triggered work by the magnetic field of this magnet 43, with control positive electrode 21 and negative electrode 22 output power, thereby realize charging the wrist-watch, when the shell of wrist-watch charging seat is kept away from to the wrist-watch, hall switch 23 does not sense magnetic field, positive electrode 21 and negative electrode 22 output power, can prevent the product circuit short circuit that causes because other conductors miscontact with positive electrode 21 and negative electrode 22, The heating and burning out even the fire and the like are avoided, and the use is safer.

Still be provided with in the shell 1 be used for with magnet 43 magnetism inhales the iron plate 5 of location to after this wrist-watch 4 pastes and leans on shell 1, this

magnet

43 and 5 magnetism of iron plate are inhaled the location to this guarantees that wrist-watch 4 more stably pastes and leans on shell 1, and then guarantees the stability of charging, prevents that wrist-watch 4 accident from breaking away from shell 1 and can not normally charge.

The number of the iron blocks 5 is two, the two iron blocks are distributed on two sides of the PCB 2, and the Hall switch 23 is positioned between the two iron blocks 5; the number of the magnets 43 is two, and the magnets correspond to the two iron blocks 5 one by one.

The upper end surface of the shell 1 is provided with at least two convex parts 101 with different shapes; the terminal surface is provided with the recess 44 with this convex part 101 adaptation under the wrist-watch 4, and this convex part 101 is nested with recess 44, and good fool-proof effect gets up, and the location effect that gets up simultaneously guarantees to charge and can go on steadily.

The convex part 101 is rectangular, heart-shaped, quincunx, triangular or circular; the groove 44 is rectangular, heart-shaped, quincunx-shaped, triangular or circular.

The positive electrode 21 and the negative electrode 22 are spring pins.

The housing 1 includes a housing 11 and a bottom cover 12 fixed to a lower end of the housing 11, the PCB 2 is fixed to the housing 11 by screws, and the iron block 5 is fixed to a positioning groove 111 formed in the housing 11 by snap-fitting, so that the assembly structure is very stable.

The bottom cover 12 is provided with a first clamping plate 121 and a second clamping plate 122, and a clamping interval for clamping the DC power line 3 is formed between the first clamping plate 121 and the second clamping plate 122, so that the DC power line 3 can be stably mounted on the housing 1.

The PCB 2 is provided with an MOS tube 24, the S pole of the MOS tube 24 is connected with the positive pole of the DC power line 3, the D pole of the MOS tube 24 is connected with the positive electrode 21, and the G pole of the MOS tube 24 is connected with the output pin of the Hall switch 23. The PCB 2 controls the output of the Hall switch through the induction of the magnetic field. When the magnet approaches the Hall switch, the output of the Hall switch is at a low level, the low level triggers the MOS tube to be conducted, the circuit of the PCB 2 is conducted, and the positive electrode 21 and the negative electrode 22 have power supply output; when the magnet is far away from the hall switch, the output of the hall switch is at a high level, the MOS transistor is cut off, the circuit of the PCB 2 is cut off, and the positive electrode 21 and the negative electrode 22 have no power output.

The end part of the DC power line 3 is provided with a USB interface 31, and the USB interface 31 is adopted as an external adapter, so that the use is more convenient and more flexible.

To sum up, the utility model discloses set up hall switch 23 on PCB board 2, and be provided with a plurality of magnets 43 that are used for triggering hall switch 23 work on wrist-watch 4, so that when needing to charge the wrist-watch, place wrist-watch 4 in the shell 1 up end of this wrist-watch charging seat, at this moment, the electrically conductive positive pole 41 and the electrically conductive negative pole 42 of this wrist-watch 4 dock with positive electrode 21 and negative electrode 22 on the shell 1 respectively one by one, and magnet 43 in this wrist-watch 4 is close to hall switch 23, this hall switch 23 is triggered work by the magnetic field of this magnet 43, in order to control positive electrode 21 and negative electrode 22 output power, thereby realize charging the wrist-watch, when the shell of wrist-watch charging seat is kept away from to the wrist-watch, hall switch 23 does not sense magnetic field, positive electrode 21 and negative electrode 22 do not export power, can prevent the product circuit short circuit that causes because positive electrode 21 and negative electrode 22 of, The heating and burning out even the fire and the like are avoided, and the use is safer.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides an use hall switch's wrist-watch charging seat, its includes shell (1) and install PCB board (2) in this shell (1) and DC power cord (3) be connected with PCB board (2), be provided with positive electrode (21) and negative electrode (22) on this PCB board (2), this positive electrode (21) and negative electrode (22) tip stretch out in this shell (1) up end, wrist-watch (4) are provided with positive electrode (21) and negative electrode (22) one-to-one electrically conductive anodal (41) and electrically conductive negative pole (42), its characterized in that:

a Hall switch (23) for controlling whether the positive electrode (21) and the negative electrode (22) output or not is arranged on the PCB (2); and a plurality of magnets (43) used for triggering the Hall switch (23) to work are arranged on the watch (4).

2. The watch charging stand using the hall switch as claimed in claim 1, wherein: still be provided with in shell (1) be used for with magnet (43) magnetism inhale the iron plate (5) of location to after this wrist-watch (4) pastes and leans on shell (1), this magnet (43) and iron plate (5) magnetism inhale the location.

3. The watch charging stand using the hall switch as claimed in claim 2, wherein: the number of the iron blocks (5) is two, the two iron blocks are distributed on two sides of the PCB (2), and the Hall switch (23) is positioned between the two iron blocks (5); the number of the magnets (43) is two, and the magnets correspond to the two iron blocks (5) one by one respectively.

4. A watch-charging stand using hall switches according to any one of claims 1 to 3, wherein: the upper end surface of the shell (1) is provided with at least two convex parts (101) with different shapes; the lower end face of the watch (4) is provided with a groove (44) matched with the convex part (101).

5. The watch charging stand using the hall switch as claimed in claim 4, wherein: the convex part (101) is rectangular, heart-shaped, quincunx, triangular or circular; the groove (44) is rectangular, heart-shaped, quincunx-shaped, triangular or circular.

6. A watch-charging stand using hall switches according to any one of claims 1 to 3, wherein: the positive electrode (21) and the negative electrode (22) are spring thimbles.

7. The watch charging stand using the hall switch as claimed in claim 2, wherein: the shell (1) comprises a shell (11) and a bottom cover (12) fixed at the lower end of the shell (11), the PCB (2) is fixedly locked in the shell (11) through screws, and the iron block (5) is fixedly clamped in a positioning groove (111) formed in the shell (11).

8. The watch charging stand using the hall switch as claimed in claim 7, wherein: the bottom cover (12) is provided with a first clamping plate (121) and a second clamping plate (122), and a clamping interval for clamping the DC power line (3) is formed between the first clamping plate (121) and the second clamping plate (122).

9. A watch-charging stand using hall switches according to any one of claims 1 to 3, wherein: an MOS tube (24) is arranged on the PCB (2), the S pole of the MOS tube (24) is connected with the positive pole of the DC power line (3), the D pole of the MOS tube (24) is connected with the positive pole (21), and the G pole of the MOS tube (24) is connected with the output pin of the Hall switch (23).

10. A watch-charging stand using hall switches according to any one of claims 1 to 3, wherein: and a USB interface (31) is arranged at the end part of the DC power line (3).