CN217640350U

CN217640350U - Remote alarm device based on vibration signal

Info

Publication number: CN217640350U
Application number: CN202220662249.9U
Authority: CN
Inventors: 陈学文; 庄严
Original assignee: Shenzhen Minew Technologies Co ltd
Current assignee: Shenzhen Minew Technologies Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-10-21
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses a remote alarm device based on vibration signal, including casing assembly, vibration sensor, bluetooth chip, remote alarm circuit, detection circuitry, low power alarm circuit and battery. The utility model provides a vibration sensor which is simple in operation, strong in reliability and suitable for detecting the vibration signal capable of truly reflecting the attack and accurately giving out warning according to the vibration signal, can detect the vibration signal in all directions and can set different sensitivity levels; the portable LED lamp has the advantages that the portable LED lamp is small in size, low in power consumption, capable of improving cruising ability, convenient to disassemble and replace due to the fact that the detachable battery is used, does not affect overall attractiveness, has an indication function of the LED lamp, feeds back low power conditions in vision, reminds a user to replace the battery in time, and ensures stable work of the portable LED lamp.

Description

Remote alarm device based on vibration signal

Technical Field

The utility model relates to a remote alarm technical field, concretely relates to remote alarm device based on vibration signal.

Background

With the progress of society and science and technology, more and more people become affluent, and in daily life, convenient vehicles such as automobiles and motorcycles are bought, and safe boxes for storing important document data and cash are also provided, and the practical commodities appear in daily life. The devices are generally provided with alarm devices with protection measures, and when the devices are maliciously attacked or damaged, the alarm devices can detect the damage or attack and send corresponding alarms, and the alarms are transmitted to a mobile phone which is carried about through the Internet of things to monitor security alarms all the day and night. The vibration sensor can be used on valuable articles such as households, shopping malls, museums and the like.

Currently, the alarm device is typically a vibration sensor. It is determined from the vibration signal detected by the vibration sensor that the protected device has not been subjected to an attack or damage.

There are many types of vibration sensors, one of which consists of two metal contacts, with the longer resilient metal contact being located above the other. These contacts can easily be arranged as a simple switch, through which current passes when they are in contact with each other. When the automobile is violently shaken, the elastic metal contact piece can also shake along with the automobile and contact the contact piece below, so that a closed circuit is temporarily formed. The problem with this design is that as soon as the vehicle vibrates or shakes, the circuit closes and the controller cannot measure the intensity of the vibration, which is likely to cause false alarms.

At present, the alarm device is usually charged by a USB interface, and uses a large-capacity battery: the large-capacity battery is large in size, so that the product is thick and large, the attractiveness and the occupied space are influenced, the installation is not facilitated, and the charging port is easy to accumulate dust, is not waterproof and is not beneficial to cleaning; the charging port is easy to damage due to excessive insertion times, so that the charging is failed and the product cannot be used; the charging wire is inserted to the user violence reversal, can lead to the short circuit of transposition, causes the potential safety hazard to the power.

SUMMERY OF THE UTILITY MODEL

In view of this, the main object of the present invention is to provide a remote alarm device based on vibration signals.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the embodiment of the utility model provides a remote alarm device based on vibration signal, which comprises a shell component, a vibration sensor, a Bluetooth chip, a remote alarm circuit, a detection circuit, a low-power alarm circuit and a battery;

the vibration sensor, the Bluetooth chip, the detection circuit and the low-power alarm circuit are all arranged in the shell assembly;

the signal output end of the vibration sensor is connected with the signal input end of the detection circuit and used for acquiring a vibration signal of the protective article and transmitting the vibration signal to the Bluetooth chip through the detection circuit;

the signal output end of the Bluetooth chip is connected with the signal input end of the remote alarm circuit and is used for converting the acquired vibration signal into an alarm signal and remotely transmitting the alarm signal to the mobile terminal through the remote alarm circuit;

the power supply output end of the battery is respectively connected with the power supply input ends of the vibration sensor and the Bluetooth chip;

the signal input end of the low-power alarm circuit is connected with the signal output end of the Bluetooth chip and used for detecting the power of the battery.

The utility model discloses preferred, housing assembly includes casing, lower casing and PCB board, it is connected with lower casing block to go up the casing, it is internal that the PCB board is fixed in the inferior valve.

The utility model discloses it is preferred, be provided with the draw-in groove that is used for the block battery down on the casing, be provided with the battery cover that is used for locking the battery on the draw-in groove.

The utility model discloses it is preferred, the edge that the bottom of casing is located the battery cover down is provided with the double faced adhesive tape subsides for be fixed in on the protective object with casing subassembly.

The utility model discloses it is preferred, detection circuitry includes second resistor, third resistor and fourth resistor, the one end of second resistor is connected with the power output end of battery, the other end of second resistor is connected with the one end of third resistor, the other end of third resistor is connected with the P0.05 end of bluetooth chip and the one end of fourth resistor respectively, the other end of fourth resistor is connected with the one end that sets up the vibration sensor on the PCB board, vibration sensor's other end ground connection.

The utility model discloses it is preferred, low power alarm circuit includes fifth resistor and emitting diode, the one end of fifth resistor is connected with the P0.12 end of bluetooth chip, the second end of fifth resistor is ground connection behind the emitting diode of establishing ties, emitting diode installs in the leaded light post that sets up on last casing.

The utility model discloses it is preferred, remote alarm circuit includes eighth condenser, ninth condenser, tenth condenser, first resistor, sixth inductance, seventh inductance and antenna, the one end of seventh inductance is connected with the ANT end of bluetooth chip, the other end of seventh inductance is connected with the one end of tenth condenser and the one end of sixth inductance respectively, the other end of tenth condenser is connected the back ground connection with the VSS end of bluetooth chip, the one end of eighth condenser and the one end of ninth condenser respectively, the other end of sixth inductance is connected with the other end of eighth condenser and the one end of first resistor respectively, the other end of first resistor is connected with the other end and the antenna connection of ninth condenser respectively.

The utility model discloses it is preferred, be provided with on the PCB board and dabble the switch, dabbing the P0.18 end of switch and bluetooth chip and being connected for the switching of different broadcast modes and the seeking of beacon position, upward be provided with the button on the casing for the conflict is opened and close and is dabbed the switch.

The utility model discloses preferred, the battery is button cell.

Compared with the prior art, the vibration sensor is simple to operate, high in reliability and suitable for detecting the vibration signal capable of truly reflecting the attack and accurately giving an alarm according to the vibration signal, can detect the vibration signal in all directions, and can set different sensitivity levels; the portable LED lamp has the advantages that the portable LED lamp is small in size, low in power consumption, capable of improving cruising ability, convenient to disassemble and replace due to the fact that the detachable battery is used, does not affect overall attractiveness, has an indication function of the LED lamp, feeds back low power conditions in vision, reminds a user to replace the battery in time, and ensures stable work of the portable LED lamp.

Drawings

Fig. 1 is a first schematic structural view of a remote alarm device based on a vibration signal according to the present invention;

fig. 2 is a schematic structural diagram of the housing assembly of the present invention;

fig. 3 is a schematic structural diagram of the bluetooth chip of the present invention;

fig. 4 is a schematic structural diagram of the detection circuit of the present invention;

fig. 5 is a schematic diagram of the low power alarm circuit of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The embodiment of the utility model provides a remote alarm device based on vibration signal, as shown in fig. 1-5, including casing subassembly, vibration sensor U1, bluetooth chip MU1, remote alarm circuit, detection circuitry, low power alarm circuit and battery 3;

the vibration sensor U1, the Bluetooth chip MU1, the detection circuit and the low-power alarm circuit are all arranged in the shell assembly;

the signal output end of the vibration sensor U1 is connected with the signal input end of the detection circuit and used for acquiring a vibration signal of the protective article and transmitting the vibration signal to the Bluetooth chip MU1 through the detection circuit;

the signal output end of the Bluetooth chip MU1 is connected with the signal input end of the remote alarm circuit and is used for converting the acquired vibration signal into an alarm signal and remotely transmitting the alarm signal to the mobile terminal through the remote alarm circuit;

the power supply output end of the battery 3 is respectively connected with the power supply input ends of the vibration sensor U1 and the Bluetooth chip MU1;

and the signal input end of the low-power alarm circuit is connected with the signal output end of the Bluetooth chip MU1 and used for detecting the power of the battery 3.

The above-mentioned well mobile terminal is cell-phone, panel computer or phone wrist-watch, can obtain alarm signal through its below APP that downloads.

In the above, the vibration sensor U1 is a sensor capable of sensing vibration in all directions, sensing displacement or waking up by movement, and senses the change of the external environment with high sensitivity.

As shown in fig. 2, the housing assembly includes an upper housing 1, a lower housing 4 and a PCB 2, the upper housing 1 is connected to the lower housing 4 in a snap-fit manner, and the PCB 2 is fixed in the lower housing 4.

As shown in fig. 2, a card slot 10 for engaging the battery 3 is disposed on the lower case 4, and a battery cover 5 for locking the battery 3 is disposed on the card slot 10.

As shown in fig. 2, a double-sided tape 6 is disposed at the edge of the battery cover 5 at the bottom of the lower housing 4 for fixing the housing assembly on the protective article.

As shown in fig. 4, the detection circuit includes a second resistor R2, a third resistor R3, and a fourth resistor R4, one end of the second resistor R2 is connected to the power output end of the battery 3, the other end of the second resistor R2 is connected to one end of the third resistor R3, the other end of the third resistor R3 is connected to the P0.05 end of the bluetooth chip MU1 and one end of the fourth resistor R4, respectively, the other end of the fourth resistor R4 is connected to one end of a vibration sensor U1 disposed on the PCB board 2, and the other end of the vibration sensor U1 is grounded.

In the above, the vibration sensor U1 and the pull-up resistor (the second resistor R2, the third resistor R3, and the fourth resistor R4) constitute a detection circuit, the values of the second resistor R2, the third resistor R3, and the fourth resistor R4 are determined by the input impedance of the detection circuit, if the input impedance is directly input to the bluetooth chip MU1, the port of the P0.05 end of the bluetooth chip MU1 can be set to "input type", the resistance value of the pull-up resistor is increased to reduce the static current consumption, when a shock or a displacement occurs, the bluetooth chip MU1 can be triggered and awakened by the detected high-low level change, and can also perform filtering processing on a signal, and the sensitivity can be adjusted by setting a delay through software.

As shown in fig. 5, the low battery alarm circuit includes a fifth resistor R5 and a light emitting diode D1, one end of the fifth resistor R5 is connected to the P0.12 end of the bluetooth chip MU1, a second end of the fifth resistor R5 is connected to the ground GND after being connected to the light emitting diode D1 in series, and the light emitting diode D1 is installed in the light guide pillar 7 disposed on the upper case 1.

As shown in fig. 3, the remote alarm circuit includes an eighth capacitor MC8, a ninth capacitor MC9, a tenth capacitor MC10, a first resistor R1, a sixth inductor ML6, a seventh inductor ML7, and an antenna ANT1, one end of the seventh inductor ML7 is connected to an ANT terminal of the bluetooth chip MU1, the other end of the seventh inductor ML7 is connected to one end of the tenth capacitor MC10 and one end of the sixth inductor ML6, the other end of the tenth capacitor MC10 is connected to a VSS terminal of the bluetooth chip MU1, one end of the eighth capacitor MC8, and one end of the ninth capacitor MC9, respectively, and then is grounded GND, the other end of the sixth inductor ML6 is connected to the other end of the eighth capacitor MC8 and one end of the first resistor R1, and the other end of the first resistor R1 is connected to the other end of the ninth capacitor MC9 and the antenna ANT1, respectively.

As shown in fig. 1, be provided with on the PCB 2 and dab switch 8, dab switch 8 and bluetooth chip MU 1's P0.18 end and be connected for switching of different broadcast modes and the seeking of beacon position, be provided with button 9 on the last casing 1 for contradict and open and close and dab switch 8.

The utility model discloses preferred, battery 3 is button cell.

In the foregoing, the bluetooth chip MU1 adopts a 2.4G bluetooth low energy chip, and can perform analysis processing according to the vibration signal detected with high sensitivity.

In summary, the following steps:

the utility model discloses an aspect is through setting up button cell removable mode and continuing a journey, has not only guaranteed the apparent dimension requirement of product, has prolonged the life of product, has reduced the maintenance cost and has followed the risk of charging the short circuit; and this product battery dismantles simply fast, need not to trompil on the shell and places the slot that charges, has ensured the dustproof ability of vibration product, convenience of customers's cleaning and disinfection, improves clean efficiency, has not only saved the preparation of the wire rod that charges, has still saved the time of charging, has avoided the potential safety hazard of the short circuit to appear when charging.

On the other hand, the sensor with high sensitivity is adopted, so that the remote alarm device which is simple to operate, has strong reliability and is suitable for detecting the vibration signal capable of truly reflecting the attack and accurately giving an alarm according to the vibration signal can be provided; through collecting the vibration signal that high sensitivity vibration sensor monitored, pass to the bluetooth chip with the signal and go on carrying out analysis processes, make the vibration alarm of different grades respectively according to the vibration intensity of difference, on alarm signal passes to cell-phone APP through the gateway to the cell-phone sends alarm signal, realizes all-weather real time monitoring protected equipment, avoids the loss of property.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplified description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but also other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a" \8230; "does not exclude the presence of additional like elements in a process, article, or apparatus that comprises the element.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. A remote alarm device based on vibration signals is characterized by comprising a shell assembly, a vibration sensor, a Bluetooth chip, a remote alarm circuit, a detection circuit, a low-power alarm circuit and a battery;

and the signal input end of the low-power alarm circuit is connected with the signal output end of the Bluetooth chip and used for detecting the power of the battery.

2. The remote alarm device based on the vibration signal as claimed in claim 1, wherein the housing assembly comprises an upper housing, a lower housing and a PCB board, the upper housing is connected with the lower housing in a snap-fit manner, and the PCB board is fixed in the lower housing.

3. The remote alarm device according to claim 2, wherein a slot for engaging a battery is disposed on the lower housing, and a battery cover for locking the battery is disposed on the slot.

4. The remote alarm device based on the vibration signal as claimed in claim 3, wherein a double-faced adhesive tape is arranged at the edge of the battery cover at the bottom of the lower shell for fixing the shell assembly on the protective article.

5. A vibration signal-based remote alarm device according to claim 3 or 4, wherein said detection circuit includes a second resistor, a third resistor and a fourth resistor, one end of said second resistor is connected to the power output terminal of the battery, the other end of said second resistor is connected to one end of the third resistor, the other end of said third resistor is connected to the P0.05 terminal of the Bluetooth chip and one end of the fourth resistor, respectively, the other end of said fourth resistor is connected to one end of the vibration sensor disposed on the PCB board, and the other end of said vibration sensor is grounded.

6. The remote alarm device according to claim 5, wherein the low-power alarm circuit comprises a fifth resistor and a light emitting diode, one end of the fifth resistor is connected to the P0.12 end of the bluetooth chip, a second end of the fifth resistor is connected in series with the light emitting diode and then grounded, and the light emitting diode is mounted in a light guide pillar disposed on the upper housing.

7. The remote alarm device according to claim 6, wherein the remote alarm circuit comprises an eighth capacitor, a ninth capacitor, a tenth capacitor, a first resistor, a sixth inductor, a seventh inductor and an antenna, one end of the seventh inductor is connected to the ANT terminal of the bluetooth chip, the other end of the seventh inductor is connected to one end of the tenth capacitor and one end of the sixth inductor, respectively, the other end of the tenth capacitor is connected to the VSS terminal of the bluetooth chip, one end of the eighth capacitor and one end of the ninth capacitor, respectively, and then is grounded, the other end of the sixth inductor is connected to the other end of the eighth capacitor and one end of the first resistor, respectively, and the other end of the first resistor is connected to the other end of the ninth capacitor and the antenna, respectively.

8. The remote alarm device based on the vibration signal as claimed in claim 7, wherein a touch switch is arranged on the PCB, the touch switch is connected with a P0.18 end of the bluetooth chip and used for switching different broadcast modes and searching beacon positions, and a button is arranged on the upper housing and used for abutting on and off the touch switch.

9. The remote alarm device according to claim 7, wherein the battery is a button battery.