CN209972640U - Anti-theft device - Google Patents

Abstract

The utility model relates to an anti-theft device, which comprises an anti-theft device host and a remote controller; the burglar alarm host comprises a main control device, a detection device, a power supply conversion device, a signal receiving device and a voice device; the voice device comprises a chord voice component, a power amplifier component and a voice playing component; the remote controller sends control information which is received by the signal receiving device and transmitted to the main control device; the detection device sends the detection information of the vehicle to the main control device; the main control device sends a response signal generated according to the control information or the detection information to the chord voice assembly; the chord voice assembly selects corresponding target chord music from the prestored chord music, and after the sound signal of the music is amplified by the power amplifier assembly, the amplified target chord music is played by the voice playing assembly, so that the current condition of a user is reminded. The chord voice assembly adopts the chord voice chip, chord music is stored in the chip, the chord music is listened to the ears, the influence on surrounding people is small, and the practicability of the burglar alarm is improved.

Description

Anti-theft device

Technical Field

The utility model relates to a theftproof technical field, concretely relates to burglar alarm.

Background

Along with the popularization of electric vehicles and motorcycles, the electric vehicles and the motorcycles are more popular and gradually become important daily vehicles, but in recent years, the number of the electric vehicles and the motorcycles which are stolen is gradually increased, and economic loss is brought to consumers.

The burglar alarm of current electric motor car or motorcycle on the existing market, the voice prompt warning tone that the burglar alarm host computer sent when electric motor car or motorcycle operation is constantly updated, but the warning tone is single string sound or voice prompt tone mostly, and wherein, the sound of single string sound is monotonous hard to hear, and the voice prompt that the voice prompt tone sent can cause great influence to people around to the practicality of burglar alarm has been influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a burglar alarm, aim at overcome among the prior art the single string sound among the voice prompt alarm sound that the burglar alarm host computer sent sound monotonous difficult listening, the voice prompt that the voice prompt sound sent can cause great influence to people around to the problem of the practicality of burglar alarm has been influenced.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an anti-theft device, comprising: the burglar alarm comprises a burglar alarm host and a remote controller;

the burglar alarm host comprises a main control device, a detection device, a power supply conversion device, a signal receiving device and a voice device;

the voice device comprises a chord voice component, a power amplifier component and a voice playing component;

the detection device, the chord voice assembly, the power supply conversion device and the signal receiving device are respectively connected with the main control device;

the remote controller is in wireless communication with the signal receiving device;

the chord voice assembly and the voice playing assembly are respectively connected with the power amplifier assembly;

the detection device, the chord voice assembly, the power amplifier assembly, the voice playing assembly and the signal receiving device are respectively connected with the power supply conversion device;

the power conversion device is connected with an external power supply;

the remote controller sends control information, and the control information is received by the signal receiving device and transmitted to the main control device;

the detection device sends detection information of a vehicle provided with the burglar alarm to the main control device;

the main control device sends a response signal generated according to the control information or the detection information to the chord voice assembly;

and the chord voice assembly selects the target chord music corresponding to the response signal from the prestored chord music, and after the sound signal of the target chord music is amplified by the power amplifier assembly, the voice playing assembly plays the amplified target chord music.

Further, in the above burglar alarm, the burglar alarm main unit further comprises an external interface;

the detection device is connected with the external interface.

Further, in the above burglar alarm, the remote controller includes a wireless remote control assembly, a key assembly, a first antenna and a first filter;

the key assembly, the first antenna and the first filter are respectively connected with the wireless remote control assembly;

the first antenna is in wireless communication with the signal receiving device.

Furthermore, in the above burglar alarm, the key assembly includes a disarming key and an unlocking key;

by pressing the fortification key, the first antenna sends a fortification signal generated by the wireless remote control assembly to the signal receiving device;

the main control device controls the burglar alarm to enter a fortification state according to the fortification signal received by the signal receiving device, and sends a fortification signal to the chord voice assembly, so that the chord voice assembly selects fortification chord music corresponding to the fortification signal from pre-stored chord music, and after the sound signal of the fortification chord music is amplified by the power amplifier assembly, the amplified fortification chord music is played by the voice playing assembly;

by pressing the unlocking key, the first antenna sends a fortification release signal generated by the wireless remote control assembly to the signal receiving device;

the master control device controls the burglar alarm to be relieved according to the fortification relieving signal received by the signal receiving device, and sends a fortification relieving signal to the chord voice assembly, so that the chord voice assembly selects fortification relieving chord music corresponding to the fortification relieving signal from pre-stored chord music, and after the sound signal of the fortification relieving chord music is amplified by the power amplifier assembly, the amplified fortification relieving chord music is played by the voice playing assembly.

Further, in the above burglar alarm, the key assembly further comprises a car-finding key;

the first antenna transmits a car searching signal generated by the wireless remote control assembly to the signal receiving device by pressing the car searching key;

the main control device sends the vehicle searching signal to the chord voice assembly according to the vehicle searching signal received by the signal receiving device, so that the chord voice assembly selects the vehicle searching chord music corresponding to the vehicle searching signal from the prestored chord music, and after the sound signal of the vehicle searching chord music is amplified by the power amplification assembly, the voice playing assembly plays the amplified vehicle searching chord music.

Further, in the above burglar alarm, the key assembly further includes a start key;

the burglar alarm host also comprises an electric door lock control circuit;

the main control device, the power conversion device and the external interface are respectively connected with the electric door lock control circuit;

by double-clicking the starting key, the first antenna sends a starting signal generated by the wireless remote control assembly to the signal receiving device;

and the main control device controls the communication of the electric door lock control circuit according to the starting signal received by the signal receiving device so as to electrify the electric door and send the started signal to the chord voice assembly, so that the chord voice assembly selects the starting chord music corresponding to the started signal from pre-stored chord music, and after the sound signal of the starting chord music is amplified by the power amplifier assembly, the voice playing assembly plays the amplified starting chord music.

Further, in the above burglar alarm, the detection device includes: a switch detection circuit and a vibration detection circuit;

the burglar alarm host also comprises a lock motor control circuit;

the lock motor control circuit, the electric door detection circuit and the vibration detection circuit are respectively connected with the main control device;

the electric gate detection circuit and the vibration detection circuit are respectively connected with the power conversion device;

the electric gate detection circuit is connected with the external interface;

the vibration detection circuit sends the detected vibration information to the main control device;

the electric door detection circuit sends the detected electric door unlocking information to the main control device;

if the master control device determines that the electric door is not unlocked and the burglar alarm is in the arming state, the vehicle vibrates, the vibration occurs for the first time, a vibration signal is sent to the chord voice assembly, so that the chord voice assembly selects vibration chord music corresponding to the vibration signal from pre-stored chord music, and after the sound signal of the vibration chord music is amplified by the power amplifier assembly, the amplified vibration chord music is played by the voice playing assembly; if the vibration occurs again for the second time, a motor locking instruction is sent to the motor locking control circuit, so that the motor is controlled to be locked by the motor locking control circuit, and the amplified vibration chord music is played by the voice playing component.

Further, in the above burglar alarm, the detection device further includes: a phase line detection circuit;

the main control device, the power conversion device and the external interface are respectively connected with the phase line detection circuit;

the phase line detection circuit sends the detected wheel rotation information of the vehicle to the main control device;

if the master control device determines that the electric door is not unlocked and the burglar alarm is in the defense setting state, the wheels rotate, a motor locking instruction is sent to the motor locking control circuit, so that the motor is controlled to be locked by the motor locking control circuit, wheel rotation signals are sent to the chord voice assembly, the chord voice assembly selects rotation alarm chord music corresponding to the abnormal wheel rotation signals from prestored chord music, and after the power amplifier assembly amplifies the sound signals of the rotation alarm chord music, the voice playing assembly plays the amplified rotation alarm chord music.

Further, in the above burglar alarm, the detection device further includes: an overspeed detection circuit;

the main control device, the power conversion device and the external interface are respectively connected with the overspeed detection circuit;

the overspeed detection circuit receives current overspeed information sent by an external vehicle and sends the current overspeed information to the main control device;

if the main control device determines that the current overspeed information indicates overspeed, an overspeed signal is sent to the chord voice assembly, so that the chord voice assembly selects overspeed chord music corresponding to the overspeed signal from prestored chord music, and after the sound signal of the overspeed chord music is amplified by the power amplifier assembly, the amplified overspeed chord music is played by the voice playing assembly.

Further, in the above burglar alarm, the signal receiving means includes: the wireless receiving chip, the second antenna and the second filter;

the second antenna and the second filter are respectively connected with the wireless receiving chip;

the first antenna and the second antenna are in wireless communication;

the wireless receiving chip is connected with the main control device.

The utility model discloses a burglar alarm, include: the burglar alarm comprises a burglar alarm host and a remote controller; the burglar alarm host comprises a main control device, a detection device, a power supply conversion device, a signal receiving device and a voice device; the voice device comprises a chord voice component, a power amplifier component and a voice playing component; the detection device, the chord voice assembly, the power supply conversion device and the remote controller are respectively connected with the main control device; the chord voice assembly and the voice playing assembly are respectively connected with the power amplifier assembly; the detection device, the chord voice assembly, the power amplifier assembly, the voice playing assembly and the signal receiving device are respectively connected with the power supply conversion device; the power conversion device is connected with an external power supply; the remote controller sends control information, and the control information is received by the signal receiving device and transmitted to the main control device; the detection device sends detection information of the vehicle provided with the burglar alarm to the main control device; the main control device sends a response signal generated according to the control information or the detection information to the chord voice assembly; and the chord voice assembly selects target chord music corresponding to the response signal from the prestored chord music, and after the sound signal of the target chord music is amplified by the power amplifier assembly, the voice playing assembly plays the amplified target chord music, thereby reminding the user of the current condition. Because the chip adopted in the voice device is a chord voice component, a plurality of chord music is stored in the chip, the chord music sounds pleasant, the influence on surrounding people is small, and the practicability of the burglar alarm is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and for those skilled in the art, other drawings can be obtained without creative efforts.

Fig. 1 is a schematic structural diagram of a first embodiment of the burglar alarm of the present invention;

fig. 2 is a circuit diagram of the master control device 121 in fig. 1;

FIG. 3 is a circuit diagram of speech device 122 of FIG. 1;

fig. 4 is a schematic structural view of a second embodiment of the burglar alarm of the present invention;

fig. 5 is a circuit diagram of the remote controller 11 in fig. 4;

fig. 6 is a circuit diagram of the signal receiving apparatus 124 in fig. 4;

FIG. 7 is a circuit diagram of the electric door lock control circuit 125 of FIG. 4

FIG. 8 is a circuit diagram of the lock motor control circuit 128 of FIG. 4;

FIG. 9 is a circuit diagram of the gate detect circuit 1231 of FIG. 4;

fig. 10 is a circuit diagram of the vibration detection circuit 1232 in fig. 4;

FIG. 11 is a circuit diagram of the phase line detection circuit 1233 of FIG. 4;

fig. 12 is a circuit diagram of overspeed detection circuit 1234 of fig. 4;

fig. 13 is a circuit diagram of the external interface 126 in fig. 4;

fig. 14 is a circuit diagram of the power conversion device 127 in fig. 4.

Detailed Description

To make the objects, aspects and advantages of the present invention clearer, exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

The first embodiment is as follows:

fig. 1 is a schematic structural diagram of a first embodiment of the burglar alarm of the present invention; fig. 2 is a circuit diagram of the master control device 121 in fig. 1; fig. 3 is a circuit diagram of the speech device 122 in fig. 1. As shown in fig. 1, the burglar alarm of the present embodiment includes a remote controller 11 and an burglar alarm main unit 12; the burglar alarm main unit 12 comprises a main control device 121, a detection device 123, a power conversion device 127, a signal receiving device 124 and a voice device 122; the voice device 122 comprises a chord voice component 1221, a power amplifier component 1222 and a voice playing component 1223; the detection device 123, the chord voice assembly 1221, the power supply conversion device 127 and the signal receiving device 124 are respectively connected with the main control device 121; the chord voice component 1221 and the voice playing component 1223 are respectively connected with the power amplifier component 1222; the detection device 123, the chord voice component 1221, the power amplifier component 1222, the voice playing component 1223 and the signal receiving device 124 are respectively connected with the power supply conversion device 127; the power conversion device 127 is connected with the external power supply 13. The remote controller 11 sends control information to the signal receiving device 124 in the burglar alarm main unit 12, and transmits the control information to the main control device 121 after processing; the detection device 123 transmits detection information of the vehicle on which the immobilizer is mounted to the main control device 121; the main control device 121 sends a response signal generated according to the control information or the detection information to the chord speech component 1221 and the external controlled device; the chord speech component 1221 selects the target chord music corresponding to the response signal from the pre-stored chord music, and after the sound signal of the target chord music is amplified by the power amplifier component 1222, the amplified target chord music is played by the speech playing component 1223. Among them, the external power supply 13 is preferably a 48V power supply.

Specifically, as shown in fig. 2, the main control device 121 includes a main control chip, a resistor R1, a resistor R2, and a capacitor C1, wherein the main control chip may be a 14-pin integrated chip U1, the 4 th pin is a VDD pin, and the 11 th pin is a GND pin. The specific connection mode can refer to fig. 2.

Specifically, as shown in fig. 3, the voice apparatus 122 includes a chord voice component 1221, a power amplifier component 1222 and a voice playing component 1223, where the chord voice component 1221 may adopt an integrated chip U2, pins of U2 include GND, P10, P11, VPD, OUT/SP1, SP2, VDD, and NC, and the pin P10 and the pin P11 are respectively connected to the 2 nd pin and the 3 rd pin of the U1 in the main control chip; the power amplifier module 1222 can be a single chip microcomputer U3, the pins of U3 include EN, BYPASS, IN +, IN-, SP1, VDD, VSS, SP2, and the pin SP1 and the pin SP2 are respectively connected to the voice playing module 1223. The power amplifier module 1222 is mainly used for amplifying the sound signal transmitted by the chord voice module 1221. The speech apparatus 122 further includes components and devices including capacitors C2, C3, C4, C5, C6, and C7, and resistors R3, R4, R5, and R6, and the specific connection manner can refer to fig. 3.

In the burglar alarm of the present embodiment, the main control device 121 receives the control information sent by the remote controller 11 through the signal receiving device 124; the detection device 123 transmits detection information of the vehicle on which the immobilizer is mounted to the main control device 121; the main control device 121 sends a response signal generated according to the control information or the detection information to the chord speech component 1221; the chord speech component 1221 selects the target chord music corresponding to the response signal from the pre-stored chord music, and after the sound signal of the target chord music is amplified by the power amplifier component 1222, the amplified target chord music is played by the speech playing component 1223, thereby reminding the user of the current status. Because the chip adopted by the chord voice component 1221 is a chord voice chip, a lot of chord music is stored in the chip, the chord music is pleasant in sound, and the influence on surrounding people is small, so that the practicability of the burglar alarm is improved.

Example two:

fig. 4 is a schematic structural diagram of a second embodiment of the burglar alarm according to the present invention. As shown in fig. 4, the present embodiment further explains the burglar alarm of the present invention on the basis of the above embodiments.

Further, the remote control 11 of the present embodiment includes a wireless remote control assembly 112, a first antenna 111, a key assembly 114, and a first filter 113; the key assembly 114 comprises a fortification key 1141, an unlocking key 1142, a vehicle searching key 1143 and a starting key 1144; the burglar alarm main unit 12 further comprises a signal receiving device 124; the signal receiving device 124 includes a second antenna 1241, a wireless receiving chip 1242 and a second filter 1243; wherein, the key assembly 114, the first antenna 111 and the first filter 113 are respectively connected with the wireless remote control assembly 112; the second antenna 1241 and the second filter 1243 are connected to the wireless receiving chip 1242, respectively; the first antenna 111 wirelessly communicates with the second antenna 1241; the wireless receiving chip 1242 is connected to the main control device 121.

When the user presses the fortification key 1141, the wireless remote control assembly 112 generates a fortification signal and transmits the fortification signal to the signal receiving device 124 through the first antenna 111; the wireless receiving chip 1242 receives the fortification signal through the second antenna 1241 and sends the fortification signal to the main control device 121; the main control device 121 controls the burglar alarm to enter a fortification state, generates a fortification signal and sends the fortification signal to the chord voice assembly 1221; the chord voice component 1221 selects the fortification chord music corresponding to the fortification signal from the prestored chord music, so that the sound signal of the fortification chord music is amplified by the power amplifier component 1222, and the voice playing component 1223 plays the amplified fortification chord music, thereby reminding the user that the locking is performed.

When the user presses the unlocking key 1142, the wireless remote control assembly 112 generates a fortification release signal and transmits the fortification release signal to the signal receiving device 124 through the first antenna 111; the wireless receiving chip 1242 receives the fortification release signal through the second antenna 1241 and sends it to the main control device 121; the main control device 121 controls the disarming of the burglar alarm and restores the original un-armed state. The main control device 121 generates a fortification cancelled signal, and sends the fortification cancelled signal to the chord speech component 1221; the chord voice component 1221 selects fortification releasing chord music corresponding to the fortification releasing signal from the prestored chord music, so that the sound signal of the fortification releasing chord music is amplified by the power amplifier component 1222, and the amplified fortification releasing chord music is played by the voice playing component 1223, thereby reminding a user of the fortification releasing of the burglar alarm.

When the user presses the car-searching key 1143, the wireless remote control assembly 112 generates a car-searching signal, and transmits the car-searching signal to the signal receiving device 124 through the first antenna 111; the wireless receiving chip 1242 receives the car searching signal through the second antenna 1241 and sends the car searching signal to the main control device 121; the main control device 121 sends the car searching signal to the chord speech component 1221; the chord voice component 1221 selects the car searching chord music corresponding to the car searching signal from the pre-stored chord music, so that the sound signal of the car searching chord music is amplified by the power amplifier component 1222, and the voice playing component 1223 plays the amplified car searching chord music, thereby reminding the user of the position of the car at the moment.

As shown in fig. 4, the burglar alarm of this embodiment further includes an electric door lock control circuit 125, and the electric door lock control circuit 125 is connected to the main control device 121. When the user double-clicks the start key 1144, the wireless remote control assembly 112 generates a start signal, and transmits the start signal to the signal receiving device 124 through the first antenna 111; the wireless receiving chip 1242 receives the start signal through the second antenna 1241 and sends it to the main control device 121; the main control device 121 controls the communication of the electric door lock control circuit 125 according to the start signal, so as to electrify the electric door, generate a started signal, and send the started signal to the chord voice component 1221; the chord speech component 1221 selects the starting chord music corresponding to the starting signal from the prestored chord music, so that the sound signal of the starting chord music is amplified by the power amplifier component 1222, and the voice playing component 1223 plays the amplified starting chord music, thereby reminding the user that the vehicle is started.

Fig. 5 is a circuit diagram of the remote controller 11 in fig. 4. As shown in fig. 5, the chip used by the wireless remote control assembly 112 is a wireless transmitting chip, the wireless transmitting chip may be an integrated chip U4, and the pins of U4 include OSC1, VCC, GND, TXD, K1, K2, K3, and K4. The component KM4 is a defense key 1141, the component KM2 is an unlock key 1142, the component KM3 is a vehicle searching key 1143, and the component KM1 is a start key 1144, wherein the component KM2 is connected with a pin K4, the component KM4 is connected with a pin K3, the component KM3 is connected with a pin K2, and the component KM1 is connected with a pin K1. The first antenna 111 is a1 in fig. 5, and may be a sonometer high-frequency tube transmitting antenna; first filter 113 is SAW1 in fig. 5. As shown in fig. 5, the components in the remote controller 11 further include: resistors R7, R8, R9, R10, R11, R12, R13; capacitances C8, C9; triodes Q1, Q2; light emitting diode LED 1. The specific connection method can refer to fig. 5.

Fig. 6 is a circuit diagram of the signal receiving device 124 in fig. 4, and as shown in fig. 6, the wireless receiving chip 1242 may adopt the integrated chip U5 in fig. 6, and the pins include VSSRF, ANT, VDDRF, CTH, DO, SHUT, CAGC, and REFOSC, and the pin DO is connected to the 1 st pin of the main control chip U1 in the main control device 121; the second antenna 1241 is a2 in fig. 6; second filter 1243 is SAW2 in fig. 6, connected to pin REFOSC. The components in the signal receiving device 124 further include: inductors L1, L2, L3; a resistor R14; capacitors C10, C11, C12, C13 and C14. The specific connection method can refer to fig. 6.

Fig. 7 is a circuit diagram of the electric door lock control circuit 125 in fig. 4, and as shown in fig. 7, the terminal c1 of the electric door lock control circuit 125 is connected to the 12 th pin of the main control chip U1 in the main control device 121. The components in the electric door lock control circuit 125 include: relay REL 1; a MOS transistor Q3; a transistor Q4; diodes D1, D2; resistors R15, R16, R17; a capacitor C15. The specific connection method can be referred to fig. 8. The relay is an automatic switch element with an isolation function, and the REL1 controls the connection and disconnection of the electric door lock control circuit 125 according to a control instruction sent by the main control chip 121; the MOS transistor Q3 includes a source S, a drain D, and a gate G.

Fig. 8 is a circuit diagram of the lock motor control circuit 128 in fig. 4, and as shown in fig. 8, the terminal c2 of the lock motor control circuit 128 is connected to the 14 th pin of the main control chip U1 in the main control device 121. The components in the lock motor control circuit 128 include: resistors R18, R19; a transistor Q5. The specific connection method can be referred to fig. 7.

Further, in the burglar alarm main unit 12 of the present embodiment, the detection device 123 includes a switch detection circuit 1231, a vibration detection circuit 1232, a phase line detection circuit 1233, and an overspeed detection circuit 1234. The electric gate detection circuit 1231, the vibration detection circuit 1232, the phase line detection circuit 1233, and the overspeed detection circuit 1234 are respectively connected to the main control device 121. The burglar alarm main unit 12 of this embodiment further includes a lock motor control circuit 128, wherein the main control device 121, the external interface 126 and the power conversion device 127 are respectively connected to the lock motor control circuit 128.

The vibration detection circuit 1232 detects vibration information of the vehicle and transmits the vibration information to the main control device 121; the electric door detection circuit 1231 detects electric door unlocking information of the vehicle and sends the electric door unlocking information to the main control device 121; the main control device 121 analyzes the received vibration information and the unlocking information of the electric door, if it is determined that the electric door is not unlocked and the burglar alarm is in a defense state, the vehicle vibrates, the vibration signal is generated for the first time, the chord voice component 1221 sends the vibration signal to the chord voice component 1221, the chord voice component 1221 selects the vibration chord music corresponding to the vibration signal from the pre-stored chord music, and after the sound signal of the vibration chord music is amplified by the power amplifier component 1222, the voice playing component 1223 plays the amplified vibration chord music to prevent the vehicle from being lost; if the vibration occurs again for the second time, a motor locking instruction is sent to the motor locking control circuit 128, so that the motor locking control circuit 128 controls the motor to be locked, and the amplified vibration and chord music are played through the voice playing component 1223 to prompt that the current switch is not unlocked, but the vehicle vibrates, so that the vehicle is prevented from being lost. The two conditions of vibration of the vehicle when the motor is not unlocked and vibration of the electric door when the electric door is not unlocked can also adopt different chord music to give an alarm.

Fig. 9 is a circuit diagram of the electric gate detection circuit 1231 in fig. 4, and as shown in fig. 9, the terminal c3 of the electric gate detection circuit 1231 is connected to the 13 th pin of the main control chip U1 in the main control device 121. The components in the gate detection circuit 1231 include: resistors R20, R21; and a diode D3. The specific connection method can be referred to fig. 9.

Fig. 10 is a circuit diagram of the vibration detection circuit 1232 in fig. 4, and as shown in fig. 10, the terminal c4 of the vibration detection circuit 1232 is connected to the 10 th pin of the main control chip U1 in the main control device 121. The components in the vibration detection circuit 1232 include: resistance R22, vibration sensor S1. The specific connection method can be referred to fig. 10.

Further, the phase line detection circuit 1233 detects wheel rotation information of the vehicle and transmits the wheel rotation information to the main control device 121; the main control device 121 analyzes the received electric door unlocking information and the wheel rotation information, and if the electric door is not unlocked and the burglar alarm is in a defense state, the wheel rotates, and a motor locking instruction is sent to the motor locking control circuit 128, so that the motor locking control circuit 128 controls the motor to be locked, and the vehicle is prevented from being lost; and sends the corresponding wheel rotation signal to the chord voice component 1221, and after the chord voice component 1221 selects the rotation alarm chord music corresponding to the wheel abnormal rotation signal from the pre-stored chord music and amplifies the sound signal of the rotation alarm chord music through the power amplifier component 1222, the voice playing component 1223 plays the amplified rotation alarm chord music to indicate that the current electric door is not unlocked, but the wheels of the vehicle rotate, so as to prevent the vehicle from losing. The phase line detection utilizes the principle of mutual conversion between energies, namely the principle of converting electric energy into kinetic energy, corresponding detection information is output, the electric vehicle or the motorcycle converts the electric energy into the kinetic energy to drive wheels to rotate, and the phase line detection circuit 1233 can detect the power conversion condition of the phase line, so that the wheel rotation information can be detected.

Fig. 11 is a circuit diagram of the phase line detection circuit 1233 in fig. 4, and as shown in fig. 11, the terminal c5 of the phase line detection circuit 1233 is connected to the 5 th pin of the main control chip U1 in the main control device 121. The components in phase detection circuit 1233 include: resistors R23, R24, R25; a capacitance C16; a transistor Q6. The specific connection method can be referred to fig. 11.

Further, the overspeed detection circuit 1235 receives the current overspeed information sent by the external vehicle, and sends the current overspeed information to the main control device 121; the main control device 121 judges whether the current overspeed information indicates overspeed according to the current overspeed information, and if the current overspeed information indicates overspeed, sends an overspeed signal to the chord voice component 1221; the chord voice component 1221 selects the overspeed chord music corresponding to the overspeed signal from the prestored chord music, and after the sound signal of the overspeed chord music is amplified by the power amplifier component 1222, the amplified overspeed chord music is played by the voice playing component 1223 to prompt the user that the speed of the current vehicle is high, so as to prompt the user to decelerate, so as to avoid accidents. The current overspeed information is sent to the overspeed detection circuit 1235 in the burglar alarm main unit 12 by the control unit of the vehicle itself.

Fig. 12 is a circuit diagram of the overspeed detection circuit 1234 in fig. 4, and as shown in fig. 12, the terminal c6 of the overspeed detection circuit 1234 is connected to the 6 th pin of the main control chip U1 in the main control device 121. The components in the overspeed detection circuit 1234 include: resistor R26, diode D4. A specific connection method can be seen in fig. 12.

Further, the burglar alarm main unit 12 of the present embodiment further includes an external interface 126, and fig. 13 is a circuit diagram of the external interface 126 in fig. 4, wherein a d2 end in the lock motor control circuit 128, a d3 end in the electric door detection circuit 1231, a d4 end in the phase line detection circuit 1233, a d5 end in the overspeed detection circuit 1234 and a d1 end in the electric door lock control circuit 125 are respectively connected to the external interface 126, and the related conditions of the vehicle are detected and controlled through the external interface 126.

Further, the burglar alarm main unit 12 of the present embodiment further includes a power conversion device 127, and fig. 14 is a circuit diagram of the power conversion device 127 in fig. 4. As shown in fig. 14, the power conversion device 127 is used to provide a required power voltage to the burglar alarm main unit 12, the input terminals (i.e., terminal b3 and terminal b 4) of the power conversion device 127 are connected to a 48V external power supply, and the output terminal a1 (voltage 5V) of the power conversion device 127 is connected to each circuit module in the burglar alarm main unit 12, i.e., the terminal a2 and the terminal a3 of the main control device 121 are respectively connected to the output terminal a1 of the power conversion device 127; the terminal a4 and the terminal a5 of the voice device 122 are respectively connected with the output terminal a1 of the power supply switching device 127; the terminal a6, the terminal a7 and the terminal a8 of the signal receiving device 124 are respectively connected with the output terminal a1 of the power switching device 127; the a9 end of the vibration detection circuit 1232 is connected to the output end a1 of the power conversion device 127; the a10 terminal of the phase detection circuit 1233 is connected to the a1 terminal of the power conversion device 127. The b1 terminal and the b2 terminal of the electric door lock control circuit 125 in the burglar alarm main unit 12 are respectively connected with a 48V external power supply.

Specifically, the components in the power conversion device 127 include: an integrated chip U6; diodes D5, D6; an inductance L4; resistors R27, R28, R29, R30 and R31; capacitances C17, C18, C19, C20, C21, C22, C23. A specific connection method can be seen in fig. 14. The pin of U6 includes VIN, VC, VRFG, GND, OGND, FB, SW; d6 is a voltage stabilizing diode; r27 and R28 can be used as fuses to ensure the safety of the circuit.

In addition, the burglar alarm of the present embodiment is preferably applied to an electric vehicle or a motorcycle.

In the burglar alarm of the embodiment, the wireless remote control assembly 112 in the remote controller 11 sends control information such as arming, disarming, searching and starting to the main control device 121 through the first antenna 111; the electric door detection circuit 1231, the vibration detection circuit 1232, the phase line detection circuit 1233, and the overspeed detection circuit 1234 respectively send detection information of the vehicle on which the burglar alarm of this embodiment is installed to the main control device 121; the master control device controls the lock motor control circuit 128 and the electric door lock control circuit 125 according to the control information or the detection information to control the states of the motor lock and the electric door lock; the main control device 121 sends a response signal generated according to the control information or the detection information to the chord speech component 1221; the chord voice component 1221 selects the target chord music corresponding to the response signal from the pre-stored chord music, and after the sound signal of the target chord music is amplified by the power amplifier component 1222, the voice playing component 1223 plays the amplified target chord music, so as to remind the user of the current condition and give an alarm when the vehicle moves or vibrates under the condition of not being unlocked, so as to prevent the vehicle from being lost. Because the chip in the chord voice assembly 1221 is a chord voice chip, a lot of chord music is stored in the chip, the chord music is pleasant to listen to, and the influence on surrounding people is small, so that the practicability of the burglar alarm is improved.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

It should be noted that, in the description of the present invention, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means at least two unless otherwise specified.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. An antitheft device, comprising: the burglar alarm comprises a burglar alarm host and a remote controller;

the burglar alarm host comprises a main control device, a detection device, a power supply conversion device, a signal receiving device and a voice device;

the voice device comprises a chord voice component, a power amplifier component and a voice playing component;

the detection device, the chord voice assembly, the power supply conversion device and the signal receiving device are respectively connected with the main control device;

the remote controller is in wireless communication with the signal receiving device;

the chord voice assembly and the voice playing assembly are respectively connected with the power amplifier assembly;

the detection device, the chord voice assembly, the power amplifier assembly, the voice playing assembly and the signal receiving device are respectively connected with the power supply conversion device;

the power conversion device is connected with an external power supply;

the remote controller sends control information, and the control information is received by the signal receiving device and transmitted to the main control device;

the detection device sends detection information of a vehicle provided with the burglar alarm to the main control device;

the main control device sends a response signal generated according to the control information or the detection information to the chord voice assembly;

and the chord voice assembly selects the target chord music corresponding to the response signal from the prestored chord music, and after the sound signal of the target chord music is amplified by the power amplifier assembly, the voice playing assembly plays the amplified target chord music.

2. The burglar alarm according to claim 1, wherein said burglar alarm main unit further comprises an external interface;

the detection device is connected with the external interface.

3. The theft protection device of claim 2, wherein said remote control comprises a wireless remote control assembly, a key assembly, a first antenna and a first filter;

the key assembly, the first antenna and the first filter are respectively connected with the wireless remote control assembly;

the first antenna is in wireless communication with the signal receiving device.

4. The burglar alarm according to claim 3, wherein said key assembly comprises a arming key and an unlocking key;

by pressing the fortification key, the first antenna sends a fortification signal generated by the wireless remote control assembly to the signal receiving device;

the main control device controls the burglar alarm to enter a fortification state according to the fortification signal received by the signal receiving device, and sends a fortification signal to the chord voice assembly, so that the chord voice assembly selects fortification chord music corresponding to the fortification signal from pre-stored chord music, and after the sound signal of the fortification chord music is amplified by the power amplifier assembly, the amplified fortification chord music is played by the voice playing assembly;

by pressing the unlocking key, the first antenna sends a fortification release signal generated by the wireless remote control assembly to the signal receiving device;

the master control device controls the burglar alarm to be relieved according to the fortification relieving signal received by the signal receiving device, and sends a fortification relieving signal to the chord voice assembly, so that the chord voice assembly selects fortification relieving chord music corresponding to the fortification relieving signal from pre-stored chord music, and after the sound signal of the fortification relieving chord music is amplified by the power amplifier assembly, the amplified fortification relieving chord music is played by the voice playing assembly.

5. The theft protection device of claim 4, wherein said key assembly further comprises a vehicle-seeking key;

the first antenna transmits a car searching signal generated by the wireless remote control assembly to the signal receiving device by pressing the car searching key;

the main control device sends the vehicle searching signal to the chord voice assembly according to the vehicle searching signal received by the signal receiving device, so that the chord voice assembly selects the vehicle searching chord music corresponding to the vehicle searching signal from the prestored chord music, and after the sound signal of the vehicle searching chord music is amplified by the power amplification assembly, the voice playing assembly plays the amplified vehicle searching chord music.

6. The theft protection device of claim 5, wherein said key assembly further comprises an activation key;

the burglar alarm host also comprises an electric door lock control circuit;

the main control device, the power conversion device and the external interface are respectively connected with the electric door lock control circuit;

by double-clicking the starting key, the first antenna sends a starting signal generated by the wireless remote control assembly to the signal receiving device;

and the main control device controls the communication of the electric door lock control circuit according to the starting signal received by the signal receiving device so as to electrify the electric door and send the started signal to the chord voice assembly, so that the chord voice assembly selects the starting chord music corresponding to the started signal from pre-stored chord music, and after the sound signal of the starting chord music is amplified by the power amplifier assembly, the voice playing assembly plays the amplified starting chord music.

7. The theft protection device according to claim 6, characterized in that said detection means comprise: a switch detection circuit and a vibration detection circuit;

the burglar alarm host also comprises a lock motor control circuit;

the lock motor control circuit, the electric door detection circuit and the vibration detection circuit are respectively connected with the main control device;

the electric gate detection circuit and the vibration detection circuit are respectively connected with the power conversion device;

the electric gate detection circuit is connected with the external interface;

the vibration detection circuit sends the detected vibration information to the main control device;

the electric door detection circuit sends the detected electric door unlocking information to the main control device;

if the master control device determines that the electric door is not unlocked and the burglar alarm is in the arming state, the vehicle vibrates, the vibration occurs for the first time, a vibration signal is sent to the chord voice assembly, so that the chord voice assembly selects vibration chord music corresponding to the vibration signal from pre-stored chord music, and after the sound signal of the vibration chord music is amplified by the power amplifier assembly, the amplified vibration chord music is played by the voice playing assembly; if the vibration occurs again for the second time, a motor locking instruction is sent to the motor locking control circuit, so that the motor is controlled to be locked by the motor locking control circuit, and the amplified vibration chord music is played by the voice playing component.

8. The theft protection device according to claim 7, wherein said detection means further comprises: a phase line detection circuit;

the main control device, the power conversion device and the external interface are respectively connected with the phase line detection circuit;

the phase line detection circuit sends the detected wheel rotation information of the vehicle to the main control device;

if the master control device determines that the electric door is not unlocked and the burglar alarm is in the defense setting state, the wheels rotate, a motor locking instruction is sent to the motor locking control circuit, so that the motor is controlled to be locked by the motor locking control circuit, wheel rotation signals are sent to the chord voice assembly, the chord voice assembly selects rotation alarm chord music corresponding to the abnormal wheel rotation signals from prestored chord music, and after the power amplifier assembly amplifies the sound signals of the rotation alarm chord music, the voice playing assembly plays the amplified rotation alarm chord music.

9. The theft protection device according to claim 7, wherein said detection means further comprises: an overspeed detection circuit;

the main control device, the power conversion device and the external interface are respectively connected with the overspeed detection circuit;

the overspeed detection circuit receives current overspeed information sent by an external vehicle and sends the current overspeed information to the main control device;

if the main control device determines that the current overspeed information indicates overspeed, an overspeed signal is sent to the chord voice assembly, so that the chord voice assembly selects overspeed chord music corresponding to the overspeed signal from prestored chord music, and after the sound signal of the overspeed chord music is amplified by the power amplifier assembly, the amplified overspeed chord music is played by the voice playing assembly.

10. The antitheft device according to any one of claims 3 to 9, wherein the signal receiving means comprises: the wireless receiving chip, the second antenna and the second filter;

the second antenna and the second filter are respectively connected with the wireless receiving chip;

the first antenna and the second antenna are in wireless communication;

the wireless receiving chip is connected with the main control device.

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