CN216287045U - Bluetooth anti-lost device - Google Patents

Abstract

The utility model relates to the technical field of anti-lost devices, in particular to a Bluetooth anti-lost device which comprises a lower shell, an upper shell arranged on the lower shell, and is characterized by also comprising a clamping groove arranged on the lower shell, a lock catch arranged on the upper shell and corresponding to the clamping groove, a detaching groove arranged on the upper shell and the lower shell and used for separating the upper shell and the lower shell, hanging grooves arranged on the upper shell and the lower shell, a sealing waterproof structure arranged on the upper shell and the lower shell and used for sealing the upper shell and the lower shell, a circuit board arranged in the lower shell, and a piezoelectric buzzer connected with the circuit board. The utility model solves the problems of large power consumption, unstable connection signal and no waterproof function of the anti-lost device.

Description

Bluetooth anti-lost device

Technical Field

The utility model relates to the technical field of anti-lost devices, in particular to a Bluetooth anti-lost device.

Background

With the development of society and the opening of market, with the acceleration of life rhythm and the improvement of living standard of people, the outing opportunities such as business trip, tourism and the like of people are gradually increased, however, the carried articles are often lost when going out, the carried articles are also inevitably lost among the following people, and once similar events occur, the enjoyable outing activities of people are often brought with the emotional shadows. In the prior art, the anti-lost device has large power consumption and unstable connection signals, influences the use experience of users and has no waterproof function. Therefore, the utility model provides a Bluetooth anti-lost device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of large power consumption, unstable connection signals and no waterproof function of an anti-lost device.

In order to achieve the purpose, the utility model provides a Bluetooth anti-lost device, which comprises a lower shell, an upper shell arranged on the lower shell, a clamping groove arranged on the lower shell, a lock catch arranged on the upper shell and corresponding to the clamping groove, a detaching groove arranged on the upper shell and the lower shell and used for separating the upper shell and the lower shell, hanging grooves arranged on the upper shell and the lower shell, a sealing waterproof structure arranged on the upper shell and the lower shell, a circuit board arranged in the lower shell and a piezoelectric buzzer connected with the circuit board, wherein the upper shell is provided with a plurality of clamping grooves; a BK chip for processing analysis data information, a DC009S piezoelectric buzzer integrated circuit chip for controlling the piezoelectric buzzer to buzz, a PCB on-board antenna for carrying out Bluetooth connection with a mobile phone client, a clock circuit for adjusting the same frequency of the mobile phone connected with the Bluetooth in connection with the anti-lost device, a CR2032 battery arranged at the other side of the circuit board for providing power supply, and a button arranged on the circuit board at the same side as the CR2032 battery and used for releasing alarm; the upper shell is provided with a button hole matched with the button for use.

Further preferably, the waterproof sealing structure comprises a groove arranged in the lower shell and a sealing ring arranged in the groove and connected with the upper shell.

Further preferably, a battery rack is further mounted on the circuit board mounted in the lower shell; the CR2032 battery is mounted in a battery rack.

Preferably, the lower shell is internally provided with a positioning pin, and the circuit board is provided with a positioning hole matched with the positioning pin; the lower shell is also provided with a sound through hole, and the upper shell is provided with a support column for supporting the circuit board.

The utility model has the beneficial effects that: the BK3432 chip is arranged, so that the low power consumption and low leakage power of the BK3432 chip are used for the anti-lost device, and the power consumption and the leakage power of the anti-lost device are reduced;

through the arrangement of the PCB onboard antenna, the Bluetooth connection range of the anti-lost device and the mobile phone is increased, so that the signal connection of the anti-lost device and the mobile phone is more stable, and the use experience of a user is improved;

through the setting of the clock circuit, the Bluetooth frequency of the anti-lost device is adjusted to enable the Bluetooth frequency of the anti-lost device and the Bluetooth frequency of the mobile phone, so that the condition of communication signal transmission delay is avoided, and the anti-lost device is accurately positioned;

through the setting of sealing washer, when last casing and casing down carry out buckle locking fit, go up the casing and extrude the sealing washer, make the sealing washer produce deformation and fill the clearance between casing and lower casing connection to make water can't get into casing and lower casing inner chamber influence circuit board, thereby waterproof to preventing the ware of losing.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic overall structure view from another perspective of the present invention;

FIG. 3 is a cross-sectional view of the overall structure of the present invention;

FIG. 4 is a schematic view of the present invention with the lower case and the buzzer removed;

FIG. 5 is a schematic view of the present invention with the upper housing removed;

FIG. 6 is a schematic view of the lower housing of the present invention;

FIG. 7 is a schematic view of the upper housing of the present invention;

fig. 8 is a connection block diagram of the circuit board of the present invention.

The labels in the figure are: the device comprises a lower shell 1, a card slot 11, a positioning pin 12, a sound through hole 13, an upper shell 2, a lock catch 21, a support column 22, a dismounting groove 3, a hanging groove 4, a sealing waterproof structure 5, a groove 51, a sealing ring 52, a circuit board 6, a BK3432 chip 61, a DC009S piezoelectric buzzer integrated circuit chip 62, a PCB on-board antenna 63, a clock circuit 64, a CR2032 battery 65, a button 66, a button hole 67, a battery frame 68, a positioning hole 69 and a piezoelectric buzzer 7.

Detailed Description

In the following, we will further describe a bluetooth anti-lost device according to the present invention by using embodiments and with reference to the accompanying drawings.

Referring to fig. 1-4, the bluetooth anti-lost device of the present invention comprises a lower housing 1, an upper housing 2 mounted on the lower housing 1, and is characterized by further comprising a clamping groove 11 disposed on the lower housing 1, a locking buckle 21 disposed on the upper housing 2 and corresponding to the clamping groove 11, a detaching groove 3 disposed on the upper housing 2 and the lower housing 1 for separating the upper housing 2 and the lower housing 1, a hanging groove 4 disposed on the upper housing 2 and the lower housing 1, a sealing and waterproof structure 5 disposed on the upper housing 2 and the lower housing 1 for sealing and waterproof, a circuit board 6 mounted in the lower housing 1, and a piezoelectric buzzer 7 connected with the circuit board 6; according to the utility model, through the arrangement of the clamping groove 11 and the matching of the lock catch 21, the matching of the lower shell 1 and the upper shell 2 can be completed only by aligning the lock catch 21 of the upper shell 2 with the clamping groove 11 of the lower shell 1 and forcibly pressing the upper shell 2 to clamp the lock catch 21 into the clamping groove 11; through the arrangement of the dismounting groove 3, the upper shell 2 is tilted by inserting a tool into the dismounting groove 3, so that the upper shell 2 and the lower shell 1 can be dismounted, the anti-lost device is maintained or the battery is replaced, and the operation is simple; through the arrangement of the hanging groove 4, the anti-lost device can be placed in a schoolbag, a wallet and other articles and also can be hung on a key and other articles, and the application range of the anti-lost device is enlarged.

Referring to fig. 1-8, a BK3432 chip 61 for processing analysis data information, a DC009S piezoelectric buzzer integrated circuit chip 62 for controlling the piezoelectric buzzer 7 to buzz, a PCB board antenna 63 for bluetooth connection with a mobile phone client, a clock circuit 64 for adjusting the anti-lost device to be at the same frequency as the mobile phone connected with the bluetooth when connected, a CR2032 battery 65 for providing power with the BK3432 chip 61 and a button 66 for releasing an alarm, which is installed on the BK3432 chip 61 at the same side of the BK3432 chip 61 as the CR2032 battery 65, are provided on one side of the circuit board 6 in the present invention; a button hole 67 matched with the button 66 for use is arranged on the upper shell 2; the DC009S piezoelectric buzzer integrated circuit chip 62 may control the piezoelectric buzzer 7 to beep; according to the anti-lost device, due to the arrangement of the BK3432 chip 61, the BK3432 chip 61 has the characteristics of low power consumption and low leakage power, and the BK3432 chip 61 is used on the anti-lost device, so that the power consumption and the leakage power of the anti-lost device are reduced, the replacement cycle of a battery is prolonged, and the use experience of a user is improved; through the arrangement of the PCB on-board antenna 63, compared with the common PCB radio frequency, the radio frequency performance of the PCB on-board filling is better, so that the Bluetooth connection range of the anti-lost device and the mobile phone is increased, the signal connection of the anti-lost device and the mobile phone is more stable, and the use experience of a user is improved; through the setting of clock circuit 64, adjust the bluetooth frequency of anti-lost device and make the bluetooth frequency of anti-lost device and the bluetooth frequency of cell-phone to avoid the emergence of the communication signal transmission delay condition, carry out accurate location to the assurance to anti-lost device.

The clock circuit is an oscillation circuit which generates accurate movement like a clock, any work is carried out according to a time sequence, the circuit for generating the time is the clock circuit, the core of the clock circuit is that an oscillator generally adopts a crystal oscillator, sine waves generated by the oscillator are subjected to frequency division and processing to form clock pulses, and the clock pulses are distributed to required places to enable all parts of the whole system to be used during work. When a plurality of devices are in communication connection, the devices are in the same frequency, and the phenomenon of transmission delay of communication signals due to different frequencies is avoided.

Referring to fig. 1-3, the waterproof sealing structure 5 of the present invention includes a groove 51 disposed in the lower housing 1, and a sealing ring 52 mounted in the groove 51 and connected to the upper housing 2; according to the anti-lost device, the groove 51 is formed in the lower shell 1, the sealing ring 52 is arranged in the groove 51, when the upper shell 2 and the lower shell 1 are buckled through the clamping groove 11 and the lock catch 21, the upper shell 2 extrudes the sealing ring 52, the sealing ring 52 deforms after being extruded, and a gap between the upper shell 2 and the lower shell 1 is filled, so that the sealing performance of the anti-lost device is improved.

Referring to fig. 1 to 8, the circuit board 6 mounted in the lower case 1 according to the present invention is further provided with a battery holder 68; the CR2032 battery 65 is mounted in the battery holder 68; a positioning pin 12 is arranged in the lower shell 1, and a positioning hole 69 matched with the positioning pin 12 is arranged on the circuit board 6; the lower shell 1 is also provided with a sound through hole 13, and the upper shell 2 is provided with a support column 22 for supporting the circuit board 6; according to the utility model, through the matching of the positioning pin 12 and the positioning hole 69, when the circuit board 6 is installed, only the positioning hole 69 on the circuit board 6 needs to be aligned with the supporting column 22, and then the upper shell 2 and the lower shell 1 are in snap fit, so that the stability of the circuit board 6 in the anti-lost device is ensured, and after the upper shell 2 is detached from the lower shell 1 through the detaching groove 3, the circuit board 6 is lifted upwards, so that the positioning hole 69 is separated from the positioning pin 12, the circuit board 6 can be detached, and then the circuit board 6 can be maintained or replaced, and the operation is simple and convenient; through the arrangement of the supporting columns 22, after the lower shell 1 and the upper shell 2 are installed in a buckling fit mode, the supporting columns 22 abut against the circuit board 6 to limit the circuit board 6, so that the circuit board 6 cannot move along the positioning pins 12, the circuit board 6 cannot shake in the anti-lost device in the using process of the anti-lost device, the circuit board 6 is protected, and the service life of the anti-lost device is prolonged; through the setting of through-sound hole 13, make the user can be more clear hear the bee sound of piezoelectricity bee calling organ 7, in time look over the condition, reduce the loss.

Referring to fig. 1-8, when the anti-lost device is in operation, firstly, the anti-lost device which can be normally used is assembled and hung on an article, the button 66 is pressed to start the anti-lost device, and the mobile phone is connected with the anti-lost device through the mobile phone Bluetooth in a Bluetooth mode; when the distance between the article hung with the anti-lost device and the mobile phone is too far, the Bluetooth connection state between the BK3432 chip 61 and the mobile phone is changed into a Bluetooth disconnection state, the BK3432 chip 61 controls the DC009S piezoelectric buzzer integrated circuit chip 62 to buzz the piezoelectric buzzer 7, and the mobile phone vibrates due to the Bluetooth disconnection to remind a user of checking the condition and find the article and the anti-lost device;

or when the mobile phone is stolen, and the distance between the mobile phone and the anti-lost device is too far, the Bluetooth connection state between the BK3432 chip 61 and the mobile phone is changed into the Bluetooth disconnection state, the piezoelectric buzzer 7 buzzes, a user looks over the situation, looks for the mobile phone, and the loss is reduced.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (4)

1. A Bluetooth anti-lost device comprises a lower shell (1), an upper shell (2) arranged on the lower shell (1), and is characterized by further comprising a clamping groove (11) arranged on the lower shell (1), a lock catch (21) arranged on the upper shell (2) and corresponding to the clamping groove (11), a dismounting groove (3) arranged on the upper shell (2) and the lower shell (1) and used for separating the upper shell (2) from the lower shell (1), a hanging groove (4) arranged on the upper shell (2) and the lower shell (1), a sealing waterproof structure (5) arranged on the upper shell (2) and the lower shell (1), a circuit board (6) arranged in the lower shell (1) and a piezoelectric buzzer (7) connected with the circuit board (6); a BK3432 chip (61) used for processing analysis data information, a DC009S piezoelectric buzzer integrated circuit chip (62) used for controlling a piezoelectric buzzer (7) to buzz, a PCB board-mounted antenna (63) used for carrying out Bluetooth connection with a mobile phone client, a clock circuit (64) used for adjusting the anti-lost device to be at the same frequency as a mobile phone connected with the Bluetooth when the mobile phone is connected, a CR2032 battery (65) arranged at the other side of the circuit board (6) and used for providing power supply, and a button (66) arranged on the same side of the circuit board (6) as the CR2032 battery (65) and used for releasing an alarm are arranged on one side of the circuit board (6); the upper shell (2) is provided with a button hole (67) which is matched with the button (66) for use.

2. The bluetooth anti-lost device according to claim 1, characterized in that: the sealing waterproof structure (5) comprises a groove (51) arranged in the lower shell (1) and a sealing ring (52) arranged in the groove (51) and connected with the upper shell (2).

3. The bluetooth anti-lost device according to claim 1, characterized in that: a battery rack (68) is also arranged on the circuit board (6) arranged in the lower shell (1); the CR2032 battery (65) is mounted in a battery holder (68).

4. A bluetooth anti-lost device according to claim 2 or 3, characterized in that: a positioning pin (12) is arranged in the lower shell (1), and a positioning hole (69) matched with the positioning pin (12) is arranged on the circuit board (6); the lower shell (1) is also provided with a sound through hole (13), and the upper shell (2) is provided with a support column (22) for supporting the circuit board (6).

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