CN209921258U

CN209921258U - NFC-based automobile keyless entry system with authorization function

Info

Publication number: CN209921258U
Application number: CN201920389662.0U
Authority: CN
Inventors: 杨冰冰
Original assignee: Xiamen Zhongyun Electronic Technology Co Ltd
Current assignee: Xiamen Zhongyun Electronic Technology Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-01-10
Anticipated expiration: 2029-03-26

Abstract

The utility model belongs to the field of automobile equipment, in particular to an automobile keyless entry system with authorization function based on NFC, aiming at the problems that the existing automobile owner needs to operate a remote control device to unlock the automobile door, and some automobile owners forget to lock the automobile door through the remote control device when leaving, and can not meet the use requirement, and can not automatically induce unlocking when the automobile owner approaches the automobile door or can not automatically lock when the automobile owner leaves, the following proposal is provided, which comprises a control terminal, a wireless transmission module, an NFC module, a control module and a driving module, wherein the control terminal is wirelessly connected with the wireless transmission module, the wireless transmission module is wirelessly connected with the NFC module, the utility model has simple structure and convenient operation, the automobile owner does not need to manually control the automobile door to close or open, only needs to carry a mobile phone to approach or keep away from the automobile door, the automobile door can be automatically opened or closed, and further reminds the automobile owner to open or close the automobile, the use requirement is met.

Description

NFC-based automobile keyless entry system with authorization function

Technical Field

The utility model relates to an automotive equipment technical field especially relates to a car keyless entry system based on NFC possesses authorized function.

Background

In order to improve the living standard of people, the era of opening the vehicle door by manually twisting the vehicle key has passed, the vehicle owner can unlock the vehicle door through the remote control device under the condition of not being close to the vehicle, so that the vehicle owner does not need to operate the key of the key as before, the vehicle owner can more conveniently control the vehicle, however, the mode has some problems, the vehicle owner needs to operate the remote control device to unlock the vehicle door, and some vehicle owners forget to lock the vehicle door through the remote control device when leaving, the use requirement can not be met, and the vehicle owner can not automatically induce unlocking when being close to the vehicle door or automatically lock when being far away from the vehicle owner.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the car owner among the prior art and need operate remote control unit just can with the door unblock, and some car owners forget when leaving to lock the door through remote control unit, can not satisfy the user demand, can not be when the car owner is close to the door auto-induction unblock or when the car owner keeps away from the automatic shortcoming of locking, and the car keyless entry system who provides possesses the function of can authorizing based on NFC.

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

an automobile keyless entry system with an authorization function based on NFC comprises a control terminal, a wireless transmission module, an NFC module, a control module and a driving module, wherein the control terminal is wirelessly connected with the wireless transmission module, the wireless transmission module is wirelessly connected with the NFC module, the NFC module is electrically connected with the control module, the control module is electrically connected with the driving module, the driving module comprises a driving box and a driving block, a servo motor is welded on the inner wall of the bottom of the driving box, an eccentric wheel is welded on an output shaft of the servo motor, two sliding holes are formed in the inner wall of one side of the driving box, locking rods are slidably mounted in the two sliding holes, two locking grooves are formed in one side of the driving block and are matched with the corresponding locking grooves, the same pushing plate is welded at one end of each locking rod, which is far away from the locking groove, a pushing strip is welded at the bottom of the pushing plate, and a trapezoidal groove, a trapezoidal block is arranged in the trapezoidal groove in a sliding mode and is rotatably connected with the eccentric wheel.

Preferably, be provided with bee calling organ in the drive box, the welding has the fixed block on the top inner wall of drive box, and two conducting blocks of bottom fixedly connected with of fixed block, two conducting blocks all with bee calling organ electric connection.

Preferably, a fixed cavity is formed in the fixed block, a compression spring plate is slidably mounted in the fixed cavity, a fixed hole is formed in the inner wall of the bottom of the fixed cavity, a fixed rod is slidably mounted in the fixed hole, the top of the fixed rod is welded with the bottom of the compression spring plate, a first arc-shaped plate is welded at the bottom of the fixed rod, a bridge-type conductor is arranged at the top of the first arc-shaped plate, and the bridge-type conductor is matched with the two conductive blocks.

Preferably, the welding has the one end of spring on the top inner wall in fixed chamber, and the other end of spring and the top welding of pressure spring board, the welding has the second arc at the top of slurcam, and the second arc is mutually supported with first arc, all welds on the both sides inner wall of drive box has same guide bar, slurcam and guide bar sliding connection.

Preferably, the control terminal is a mobile phone, the wireless transmission module is a bluetooth module, the control module comprises a controller and a motor driver, the controller is electrically connected with the motor driver, and the motor driver is electrically connected with the servo motor.

The utility model discloses in, a car keyless entry system based on NFC possesses function of can authorizing

When the automobile is used, the wireless transmission module, the NFC module and the control module are arranged in the automobile body and powered by an automobile power supply, the driving box and the driving block are arranged on the automobile door, the servo motor and the buzzer are connected with the automobile power supply, the Bluetooth state of the mobile phone is started by editing the rotation angle of the servo motor into an angle through the controller, when an automobile owner approaches to the automobile, the control terminal transmits a signal to the NFC module through the wireless transmission module, the NFC module transmits the signal to the control module, and the control module transmits the signal to the motor driver through the controller, the motor driver controls the servo motor to start and rotate 180 degrees, the servo motor drives the two lock rods to leave the two lock grooves through the eccentric wheel, the trapezoidal block, the push strip and the push plate, when the push plate moves, the push plate drives the second arc plate to upwards extrude the first arc plate, the first arc plate drives the bridge type conductor to be in contact with the two conductive blocks to switch on the buzzer, the buzzer gives an alarm to remind a vehicle owner that the vehicle door is opened until the second arc plate is separated from the first arc plate, the bridge type conductor is separated from the two conductive blocks under the elastic action of the spring, the buzzer stops giving the alarm, when the vehicle owner is far away, the signal is transmitted to the NFC module through the wireless transmission module through the control terminal, the NFC module transmits the signal to the control module, the control module transmits the signal to the motor driver through the controller, the motor driver controls the servo motor to reversely start and rotate 180 degrees, make the locking lever get into the locked groove to remind car owner's door to close through bee calling organ, the utility model discloses simple structure, convenient operation, car owner need not the manual control door and closes or open, only need carry the cell-phone and be close to or keep away from the door, door alright automatic opening or closing, and further remind car owner's door to open or close through bee calling organ, satisfied the user demand.

Drawings

Fig. 1 is a schematic control structure diagram of an automobile keyless entry system with an authorization function based on NFC according to the present invention;

fig. 2 is a schematic view of a connection structure of a driving box and a driving block of an automobile keyless entry system with an authorization function based on NFC;

fig. 3 is the utility model provides a but, a partial structure sketch map of car keyless entry system that possesses authorized function based on NFC.

In the figure: the device comprises a driving box 1, a driving block 2, a servo motor 3, an eccentric wheel 4, a locking rod 5, a locking groove 6, a pushing plate 7, a pushing strip 8, a trapezoidal block 9, a buzzer 10, a fixed block 11, a conductive block 12, a fixed cavity 13, a compression spring plate 14, a spring 15, a first arc-shaped plate 16, a bridge-type conductor 17 and a second arc-shaped plate 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an automobile keyless entry system with authorization function based on NFC comprises a control terminal, a wireless transmission module, an NFC module, a control module and a driving module, wherein the control terminal is wirelessly connected with the wireless transmission module, the wireless transmission module is wirelessly connected with the NFC module, the NFC module is electrically connected with the control module, the control module is electrically connected with the driving module, the driving module comprises a driving box 1 and a driving block 2, a servo motor 3 is welded on the inner wall of the bottom of the driving box 1, an eccentric wheel 4 is welded on the output shaft of the servo motor 3, two sliding holes are formed in the inner wall of one side of the driving box 1, locking rods 5 are slidably mounted in the two sliding holes, two locking grooves 6 are formed in one side of the driving block 2, the locking rods 5 are matched with the corresponding locking grooves 6, and the same pushing plate 7 is welded at one end of each locking rod 5, which is, the bottom of the pushing plate 7 is welded with a pushing strip 8, the bottom of the pushing strip 8 is provided with a trapezoidal groove, a trapezoidal block 9 is arranged in the trapezoidal groove in a sliding mode, the trapezoidal block 9 is rotatably connected with the eccentric wheel 4, and the pushing strip 8, the trapezoidal block 9, the buzzer 10, a fixing block 11, a conductive block 12, a fixing cavity 13, a pressure spring plate 14, a spring 15, a first arc plate 16, a bridge-type conductor 17, a second arc plate 18, a control terminal, a wireless transmission module, an NFC module, the control module and the driving module are matched with each other through the driving box 1, the driving block 2, the driving box 1 and the driving block 2 which are powered by an automobile power supply, the servo motor 3 and the buzzer 10 are connected with the automobile power supply, the rotation angle of a servo motor 3 is edited to be 180 degrees through a controller, the Bluetooth state of a mobile phone is started, when a car owner approaches to the car, a control terminal transmits a signal to an NFC module through a wireless transmission module, the NFC module transmits the signal to a control module, the control module transmits the signal to a motor driver through the controller, the motor driver controls the servo motor 3 to start and rotate 180 degrees, the servo motor 3 drives two lock rods 5 to leave two lock grooves 6 through an eccentric wheel 4, a trapezoidal block 9, a push strip 8 and a push plate 7, when the push plate 7 moves, the push plate 7 drives a second arc plate 18 to extrude a first arc plate 16 upwards, the first arc plate 16 drives a bridge type conductor 17 to contact with two conductive blocks 12 to switch on a buzzer 10, the buzzer 10 gives an alarm to remind the car owner that the car door is opened until the second arc plate 18 is separated from the first arc plate 16, under the action of the elasticity of a spring 15, bridge conductor 17 and two conducting blocks 12 separation, bee calling organ 10 stops to report to the police, when the car owner keeps away from, pass through wireless transmission module through control terminal and give NFC module with signal transmission, NFC module gives control module with signal transmission, control module passes through the controller and gives motor drive with signal transmission, 3 reverse starts of motor drive control servo motor and rotatory 180, makes locking lever 5 get into the locked groove 6 in, and remind the car owner door to close through bee calling organ 10, the utility model discloses simple structure, convenient operation, the car owner need not the manual control door and closes or open, only need carry the cell-phone and be close to or keep away from the door, the door alright automatic open or close, and further remind the car owner door to open or close through bee calling organ 10, satisfied user demand.

The utility model discloses in, be provided with bee calling organ 10 in the drive box 1, the welding has fixed block 11 on the top inner wall of drive box 1, two conducting blocks 12 of the bottom fixedly connected with of fixed block 11, two conducting blocks 12 all with bee calling organ 10 electric connection, bee calling organ 10 sends the warning, is used for reminding opening or the closed condition of car owner's door.

The utility model discloses in, fixed chamber 13 has been seted up on the fixed block 11, slidable mounting has pressure spring plate 14 in fixed chamber 13, the fixed orifices has been seted up on the bottom inner wall in fixed chamber 13, slidable mounting has the dead lever in the fixed orifices, the top of dead lever and the bottom welding of pressure spring plate 14, the bottom welding of dead lever has first arc 16, the top of first arc 16 is provided with bridge type conductor 17, bridge type conductor 17 and two conducting block 12 looks adaptations, bridge type conductor 17 can switch on two conducting block 12 electrical properties.

The utility model discloses in, the welding has the one end of spring 15 on the top inner wall of fixed chamber 13, the other end of spring 15 and the top welding of compression spring board 14, the top welding of slurcam 7 has second arc 18,

second arc

18 and 16 looks adaptations of first arc, it has same guide bar all to weld on the both sides inner wall of drive box 1, slurcam 7 and guide bar sliding connection, second arc 18 makes first arc 16 up movements through the first arc 16 of extrusion, the guide bar makes slurcam 7 only can slide along the horizontal direction.

The utility model discloses in, control terminal is the cell-phone, and wireless transmission module is bluetooth module, and control module includes controller and motor driver, controller and motor driver electric connection, motor driver and 3 electric connection of servo motor, the opening and closing of motor driver power control servo motor 3.

Through the matching of the driving box 1, the driving block 2, the servo motor 3, the eccentric wheel 4, the lock rod 5, the lock groove 6, the pushing plate 7, the pushing strip 8, the trapezoidal block 9, the buzzer 10, the fixed block 11, the conductive block 12, the fixed cavity 13, the pressure spring plate 14, the spring 15, the first arc plate 16, the bridge conductor 17, the second arc plate 18, the control terminal, the wireless transmission module, the NFC module, the control module and the driving module, when in use, the wireless transmission module, the NFC module and the control module are all arranged in the automobile body, and are powered by the automobile power supply, the driving box 1 and the driving block 2 are arranged on the automobile door, the servo motor 3 and the buzzer 10 are connected with the automobile power supply, the rotation angle of the servo motor 3 is edited to be 180 degrees through the controller, the Bluetooth state of the mobile phone is started, when an automobile owner approaches the automobile, the control terminal transmits a signal to the NFC module through the wireless transmission, the NFC module transmits a signal to the control module, the control module transmits the signal to the motor driver through the controller, the motor driver controls the servo motor 3 to start and rotate 180 degrees, the servo motor 3 drives the two lock rods 5 to leave the two lock grooves 6 through the eccentric wheel 4, the trapezoidal block 9, the push strip 8 and the push plate 7, when the push plate 7 moves, the push plate 7 drives the second arc plate 18 to extrude the first arc plate 16 upwards, the first arc plate 16 drives the bridge conductor 17 to contact with the two conductive blocks 12 to switch on the buzzer 10, the buzzer 10 gives an alarm to remind a vehicle owner that the vehicle door is opened until the second arc plate 18 is separated from the first arc plate 16, under the elastic force of the spring 15, the bridge conductor 17 is separated from the two conductive blocks 12, the buzzer 10 stops alarming, when the vehicle owner is far away, the signal is transmitted to the NFC module through the wireless transmission module through the control terminal, NFC module gives control module with signal transmission, and control module passes through the controller and gives motor drive with signal transmission, and 3 reverse starts and rotatory 180 of motor drive control servo motor, make locking lever 5 get into the locked groove 6 in to remind car owner's door to close through bee calling organ 10, the utility model discloses simple structure, convenient operation, car owner need not the manual control door and closes or open, only need carry the cell-phone and be close to or keep away from the door, door alright automatic opening or closing, and further remind car owner's door to open or close through bee calling organ 10, satisfied the user demand.

In the utility model, when in use, the wireless transmission module, the NFC module and the control module are all arranged inside the automobile body, and are powered by the automobile power supply, the driving box 1 and the driving block 2 are arranged on the automobile door, the servo motor 3 and the buzzer 10 are connected with the automobile power supply, the rotation angle of the servo motor 3 is edited to be 180 degrees through the controller, the Bluetooth state of the mobile phone is started, when the automobile owner approaches to the automobile, the control terminal transmits a signal to the NFC module through the wireless transmission module, the NFC module transmits the signal to the control module, the control module transmits the signal to the motor driver through the controller, the motor driver controls the servo motor 3 to start and rotate 180 degrees, the servo motor 3 drives the eccentric wheel 4 to rotate, the eccentric wheel 4 drives the trapezoidal block 9 to slide on the pushing bar 8 and drives the pushing bar 8 to move, the pushing bar 8 drives the pushing plate 7 to move, the push plate 7 drives the two lock rods 5 to leave the two lock grooves 6, when the push plate 7 moves, the push plate 7 drives the second arc plate 18 to extrude the first arc plate 16 upwards, the first arc plate 16 pushes the pressure spring plate 14 to move upwards through the fixing plate and compress the spring 15, the first arc plate 16 drives the bridge conductor 17 to be in contact with the two conductive blocks 12 to switch on the buzzer 10, the buzzer 10 gives an alarm to remind a vehicle owner that the door of the vehicle is opened until the second arc plate 18 is separated from the first arc plate 16, the bridge conductor 17 is separated from the two conductive blocks 12 under the elastic force action of the spring 15, the buzzer 10 stops giving an alarm, when the vehicle owner keeps away from the vehicle, the signal is transmitted to the NFC module through the control terminal through the wireless transmission module, the NFC module transmits the signal to the control module, the control module transmits the signal to the motor driver through the controller, the motor driver controls the servo motor 3 to start reversely and rotate 180 degrees, the lock rod 5 enters the lock groove 6 and reminds the vehicle owner of closing the vehicle door through the buzzer 10.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automobile keyless entry system with an authorization function based on NFC comprises a control terminal, a wireless transmission module, an NFC module, a control module and a driving module, and is characterized in that the control terminal is wirelessly connected with the wireless transmission module, the wireless transmission module is wirelessly connected with the NFC module, the NFC module is electrically connected with the control module, the control module is electrically connected with the driving module, the driving module comprises a driving box (1) and a driving block (2), a servo motor (3) is welded on the inner wall of the bottom of the driving box (1), an eccentric wheel (4) is welded on an output shaft of the servo motor (3), two sliding holes are formed in the inner wall of one side of the driving box (1), locking rods (5) are slidably mounted in the two sliding holes, two locking grooves (6) are formed in one side of the driving block (2), and the locking rods (5) are matched with the corresponding locking grooves (6), one end of each lock rod (5) far away from the lock groove (6) is welded with the same pushing plate (7), the bottom of each pushing plate (7) is welded with a pushing strip (8), a trapezoidal groove is formed in the bottom of each pushing strip (8), a trapezoidal block (9) is slidably mounted in the trapezoidal groove, and the trapezoidal block (9) is rotatably connected with the eccentric wheel (4).

2. The automobile keyless entry system with the authorization function based on the NFC according to claim 1 is characterized in that a buzzer (10) is arranged in the drive box (1), a fixed block (11) is welded on the inner wall of the top of the drive box (1), two conductive blocks (12) are fixedly connected to the bottom of the fixed block (11), and the two conductive blocks (12) are electrically connected with the buzzer (10).

3. The automobile keyless entry system based on the NFC and having the authorized function is characterized in that a fixing cavity (13) is formed in the fixing block (11), a compression spring plate (14) is slidably mounted in the fixing cavity (13), a fixing hole is formed in the inner wall of the bottom of the fixing cavity (13), a fixing rod is slidably mounted in the fixing hole, the top of the fixing rod is welded to the bottom of the compression spring plate (14), a first arc-shaped plate (16) is welded to the bottom of the fixing rod, a bridge-type conductor (17) is arranged on the top of the first arc-shaped plate (16), and the bridge-type conductor (17) is matched with the two conductive blocks (12).

4. The automobile keyless entry system with the authorization function based on NFC according to claim 3 is characterized in that one end of a spring (15) is welded on the inner wall of the top of the fixed cavity (13), the other end of the spring (15) is welded on the top of the compression spring plate (14), a second arc-shaped plate (18) is welded on the top of the pushing plate (7), the second arc-shaped plate (18) is matched with the first arc-shaped plate (16), the same guide rod is welded on the inner walls of two sides of the driving box (1), and the pushing plate (7) is connected with the guide rod in a sliding mode.

5. The automobile keyless entry system with the authorization function based on the NFC according to claim 1, wherein the control terminal is a mobile phone, the wireless transmission module is a Bluetooth module, the control module comprises a controller and a motor driver, the controller is electrically connected with the motor driver, and the motor driver is electrically connected with the servo motor (3).