CN215252509U

CN215252509U - Parking stall lock control circuit and parking stall lock

Info

Publication number: CN215252509U
Application number: CN202121421168.1U
Authority: CN
Inventors: 严亚周; 麻雨茂; 黄喜; 左震; 赵振懿; 何长昱; 王莎
Original assignee: Hunan Institute of Technology
Current assignee: Hunan Institute of Technology
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-21
Anticipated expiration: 2031-06-25

Abstract

A parking space lock control circuit and a parking space lock relate to the technical field of parking space management and equipment, and the control circuit comprises a controller and a control unit, wherein the controller is used for changing the state of the parking space lock according to a control signal; the driving module is used for driving the motor; the Bluetooth transmission module is used for realizing communication between the controller and external Bluetooth equipment; the power supply module is used for supplying power to the motor, the controller, the driving module and the Bluetooth transmission module; the power module is connected with the controller, the controller is respectively connected with the driving module and the Bluetooth transmission module, and the driving module comprises a driving circuit and an external motor of the driving circuit. The parking lock control circuit is combined with the vehicle-mounted Bluetooth communication technology, so that the control structure is simplified, a parking lock remote controller is not required to be equipped for a user, the risk of losing the remote controller is avoided, and the cost is saved; the intelligent degree and the user experience of the parking spot lock are improved; the intelligent control circuit has the advantages of relatively high intelligent degree and simple circuit control structure; the parking spot lock has simple structure and low manufacturing cost.

Description

Parking stall lock control circuit and parking stall lock

Technical Field

The utility model relates to a parking stall management and equipment technical field, in particular to parking stall lock control circuit and parking stall lock.

Background

The existing traditional parking space locks for the ground parking spaces of residential districts are generally divided into two types, one type is a purely manual parking lock on the ground, and the other type is an automatic electronic parking space lock with a remote control function.

The pure manual parking lock is common, a pure mechanical device is mostly adopted, a simple remote control electronic unlocking device is additionally arranged on part of parking space locks, a foldable mechanical device is additionally arranged at the center of a parking space in the mechanical device part, and a manual lock is arranged individually. According to the scheme, the intercepting mechanical device is located in the center of the parking space, and due to the fact that the size of the intercepting device is too small, other vehicles or small-sized vehicles which are not located in the parking space easily occupy the vacant positions of the parking space and cannot intercept the vehicles which are not located in the parking space, the problem of parking space occupation is solved, manual unlocking and locking modes are troublesome, the intelligent degree is low, and intelligent and convenient living requirements and living ideas of people at present cannot be met.

Besides the mechanical device, the parking lock is also provided with an electronic unlocking device which is powered by a dry battery and is controlled to open and close by a remote controller. In this scheme, although the level of intelligence of the device is increased, there are still problems. For example, the power supply part of the scheme adopts a single dry battery for supplying power, and as the duration period of the dry battery is short, when the electric quantity of the battery is insufficient, the vehicle cannot be stopped or taken out in time, and the overall reliability is poor; secondly, the electronic control part is remote control, has signal receiving terminal and transmitting terminal, and all are independent circuit, and the electronic design part structure is relatively complicated, and the remote controller needs design circuit and independent power supply, and the key-type remote controller uses life cycle short, and whole input cost is great, and the remote controller has risks such as losing.

SUMMERY OF THE UTILITY MODEL

There is the defect that circuit control part structure is complicated, intelligent degree is low to the parking stall lock of prior art, the utility model discloses one of the problem that solves provides a parking stall lock control circuit.

In order to solve the technical problem, the utility model discloses a technical scheme as follows: a parking stall lock control circuit includes:

and the controller is used for changing the state of the parking spot lock according to the control signal.

And the driving module is used for driving the motor.

And the Bluetooth transmission module is used for realizing the communication between the controller and the external Bluetooth equipment.

And the power supply module is used for supplying power to the motor, the controller, the driving module and the Bluetooth transmission module.

The power module is connected with the controller, the controller is respectively connected with the driving module and the Bluetooth transmission module, and the driving module comprises a driving circuit and an external motor of the driving circuit.

Preferably, the controller comprises an STM32F103VET6 single-chip microcomputer chip provided with an external storage FLASH, a chip CP2102 and an SD card; the driving module takes an L298N high-power driving chip as a core chip.

Further, I/O interfaces PA9 and PA10 of the chip STM32F103VET6 are respectively connected with pins RXD and TXD of the chip CP2102, I/O interfaces PC8-PC12 and PD0 of the chip STM32F103VET6 are connected with an SD card, I/O interfaces PA8-PA15 of the chip STM32F103VET6 are respectively connected with input pins IN1-IN4, ENA and ENB of the driving chip L298N, and I/O interfaces PB10-PB15 of the chip STM32F103VET6 are connected with input pins of the driving chip L298N.

Further,

pins

1 and 2 of the bluetooth transmission module are connected to I/O interfaces PE2 and PA1 of the chip STM32F103VET6, and pins 3 and 4 are connected to pins RXD and TXD of the chip PC 2102.

Preferably, the power module includes a storage battery and a solar panel for charging the storage battery.

There is the problem that can not realize that this parking stall interception of non-this parking stall lock to prior art leads to the parking stall to occupy, the utility model discloses still provide a parking stall lock.

A parking spot lock, which comprises a bottom plate, a motor, a screw rod, a movable base, a first fixed base, a bracket, a second fixed base and a cover plate, the bottom plate is fixed on the ground, the motor, the first fixed base and the second fixed base are sequentially fixed on the bottom plate at intervals from front to back, an output shaft of the motor is in transmission connection with one end of a screw rod, the other end of the screw rod is rotatably connected with the first fixed base, the movable base is connected with the screw rod in a threaded manner and can move along the screw rod, the bracket is formed by hinging a first bracket and a second bracket, the front end of the first bracket is hinged on the movable base through a connecting sheet, the rear end of the first bracket is hinged with the front end of the second bracket, the rear end of the second support is hinged to the second fixing base, the cover plate is sealed on the base, and a strip-shaped through hole through which the connecting piece can penetrate is formed in the top of the cover plate along the length direction of the screw rod.

The motor is controlled to drive the screw rod to rotate, so that the movable base can slide along the length direction of the screw rod, and the support is stretched and paved on the cover plate or folded to be arched upwards to realize parking space unlocking or parking space locking.

Further, a guide rod for preventing the movable base from being stressed and deflected is arranged under the lead screw in parallel, the rear end of the guide rod is fixed on the first fixing seat, the front end of the guide rod penetrates through the movable base and extends to be close to the motor, and the movable base can slide on the guide rod.

The utility model discloses the beneficial effect who gains lies in: compared with the prior art, the parking lock control circuit is combined with the vehicle-mounted Bluetooth communication technology, so that the control structure is simplified, a parking lock remote controller is not required to be equipped for a user, the risk of losing the remote controller is avoided, and the cost is saved; the intelligent degree and the user experience of the parking spot lock are improved; the intelligent control circuit has the advantages of relatively high intelligent degree and simple circuit control structure; the parking spot lock is simple in structure and low in manufacturing cost, and solves the problem of parking spot occupation to a certain extent.

Drawings

Fig. 1 is a block diagram of a parking stall lock control circuit according to the present embodiment;

FIG. 2 is a circuit diagram of a power module;

FIG. 3 is a circuit diagram of a controller;

FIG. 4 is a circuit diagram of a driver module;

FIG. 5 is a diagram of the unlocked state of the parking spot lock;

FIG. 6 is a locking state diagram of the parking spot lock;

reference numerals:

1-bottom plate 2-motor 3-screw rod 4-movable base

5-first fixed base 6-support 61-first support

62-second support 7-second fixed base 8-cover plate

9-guide bar.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically connected, or connected through two components, directly or indirectly through an intermediate medium, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

A parking lock control circuit, as shown in fig. 1, includes: the controller is used for changing the state of the parking spot lock according to the control signal; the driving module is used for driving the motor; the Bluetooth transmission module is used for realizing communication between the controller and external Bluetooth equipment; the power supply module is used for supplying power to the motor, the controller, the driving module and the Bluetooth transmission module; the power module is connected with the controller, the controller is respectively connected with the driving module and the Bluetooth transmission module, and the driving module comprises a driving circuit and an external motor of the driving circuit.

Specifically, as shown in fig. 2, the power module is powered by dual power sources and comprises a storage battery and a solar panel, and the solar panel is used for charging the storage battery when the electric quantity of the storage battery is insufficient, so that the reliability of power supply of the parking space lock control circuit is improved; the parking stall lock control circuit supplies power to each module through a 5V/0.5A power supply. A fuse FU1 of 0.5A is designed in the power supply, and the parking stall lock control circuit can be protected in time when short circuit or power supply overload occurs; meanwhile, through the filtering combination of the electrolytic capacitors C5 and C2 and the ceramic constant volumes C3 and C4, the voltage ripples after input and voltage stabilization can be greatly reduced, and a more stable power supply is provided. Meanwhile, the voltage is stabilized at 3.3V through an ASM1117-3.3V linear voltage stabilizing chip, and a voltage stabilizing diode D5 is used for stabilizing the voltage, so that the circuit has better stability and higher reliability.

Specifically, as shown in fig. 3, the controller is controlled by an STM32 single chip, an STM32 series is based on an ARM Cortex-M3 kernel specially designed for embedded application requiring high performance, low cost and low power consumption, an STM32F103VET6 chip of an STM32F101 "basic type" series is used as a central processing chip, an RAM of the central processing chip is 64K, a FLASH is 512K, and a clock frequency is 36 MHz; in order to increase the storage space, an external storage FLASH is further arranged, a W25Q16 chip with the storage size of 16MB is selected for expansion, the serial FLASH is more flexible in storage, can efficiently provide data to the RAM, and has the characteristics of powerful function and simplicity in operation and control.

Specifically, a 24C02 chip is selected as data storage, a 24-page 8-bit storage space is arranged inside the chip, some data of fingerprints and ciphers can be stored, and the two-line IIC communication is adopted, so that the control is simple and the use is convenient; in order to greatly expand the functions of the mainboard, the SD card is added to increase the functions of the mainboard.

Specifically, the I/O interfaces PA9 and PA10 of the chip STM32F103VET6 are connected with pins RXD and TXD of the chip CP2102 respectively, and the I/O interfaces PC8-PC12 and PD0 of the chip STM32F103VET6 are connected with the SD card.

Specifically, as shown in fig. 4, the driver module uses an L298N high-power driver chip as a core chip, and its terminal power supply range VMS: +5V to +30V, input voltage range: high level 4.5-5.5V, low level 0V, peak current Io: 2A. Adopt step-down switch type integrated voltage regulation chip LM2596 simultaneously, output voltage: 3.3V, 5V, 12V and (ADJ), etc., the maximum output voltage is 37V, and the circuit has two modes of low power consumption/normal, can be externally controlled, and has the functions of complete protection circuit, current limiting and thermal shutoff.

Further, the I/O interfaces PA8-PA15 of the chip STM32F103VET6 are respectively connected with input pins IN1-IN4, ENA and ENB of the driving chip L298N, the I/O interfaces PB10-PB15 of the chip STM32F103VET6 are connected with input pins of the driving chip L298N, and the I/O interface PC6 of the chip STM32F103VET6 is connected with a pin No. 3 of the sensor.

Specifically, pin number 1 and pin number 2 of the bluetooth transmission module are connected with I/O interfaces PE2 and PA1 of the chip STM32F103VET6, and pin number 3 and pin number 4 of the bluetooth transmission module are connected with pin RXD and pin TXD of the chip PC 2102.

From the above, the distance between the parking space and the vehicle is detected by adopting the Bluetooth transmission module, redundant equipment of an electronic control part is simplified, the design and cost investment of an independent electronic remote controller are omitted, and meanwhile, the situation that the parking space lock control circuit cannot be realized due to the reasons that the remote controller cannot be found and the like can be effectively prevented.

A parking space lock is disclosed, as shown in fig. 5-6, comprising a bottom plate 1, a motor 2, a screw rod 3, a movable base 4, a first fixed base 5, a bracket 6, a second fixed base 7 and a cover plate 8, wherein the bottom plate 1 is fixed on the ground, the motor 2, the first fixed base 5 and the second fixed base 7 are fixed on the bottom plate 1 at intervals in sequence from front to back, an output shaft of the motor 2 is in transmission connection with one end of the screw rod 3, the other end of the screw rod 2 is rotatably connected with the first fixed base 5, the movable base 4 is in threaded connection with the screw rod 3 and can move along the screw rod 3, the bracket 6 is formed by hinging a first bracket 61 and a second bracket 62, the front end of the first bracket 61 is hinged on the movable base 4 through a connecting sheet, the rear end is hinged with the front end of the second bracket 62, the rear end of the second bracket 62 is hinged with the second fixed base 7, the cover plate 8 is sealed on the base 4, the top of the cover plate 8 is provided with a strip-shaped through hole (not shown in the drawing) for the connecting sheet to pass through along the length direction of the screw rod; the motor 2 is controlled to drive the screw rod 3 to rotate, so that the movable base 4 can slide along the length direction of the screw rod 2, and the support 6 is stretched and laid on the cover plate 8 or folded to be arched upwards to realize parking space unlocking or parking space locking.

Further, be provided with a guide bar 9 that is used for preventing movable base 4 atress to deflect under lead screw 3 in parallel, the rear end of guide bar 9 is fixed on first fixing base 5, the front end passes movable base 4 and extends to being close to motor 2, and movable base 4 can slide on guide bar 9 to avoid self to take place to deflect, thereby guarantee that the support folds up, the stability of expansion process.

It should be noted that, in this embodiment, the motor 2 is used to drive the screw rod 3 to rotate in the forward and backward directions by a conventional technical means, and details are not repeated in this embodiment.

Specifically, the working principle of the embodiment is as follows: the parking stall lock is in a normally closed locking state in an initial state, when the vehicle approaches a parking stall and reaches a Bluetooth detection distance, the Bluetooth transmission module generates action information and transmits the action information to the controller, the controller controls the driving module to work, and the driving module drives the motor 2 to rotate forwards, so that the parking stall lock is converted from a locking state (the support 6 is in a vertical triangular structure) to an unlocking state (the support 6 is in a tiled unfolding state); when the vehicle leaves, the Bluetooth transmission module detects that the distance between the vehicle and the parking space exceeds the range, the Bluetooth transmission module feeds a signal back to the controller, the controller controls the driving module to work, and the driving module drives the motor 1 to rotate reversely, so that the parking space lock is converted from an unlocking state (the support 6 is in a tiled and unfolded state) to a locking state (the support 6 is in a vertical triangular structure), namely, the parking space lock returns to an initial state.

The utility model discloses the beneficial effect who gains lies in: compared with the prior art, the parking lock control circuit is combined with the vehicle-mounted Bluetooth communication technology, so that the control structure is simplified, a parking lock remote controller is not required to be equipped for a user, the risk of losing the remote controller is avoided, and the cost is saved; the problem of insufficient power supply of a power supply is solved by combining a dual-power supply technology, and the reliability is high; the intelligent degree and the user experience of the parking spot lock are improved; the intelligent control circuit has the advantages of relatively high intelligent degree and simple circuit control structure; the parking spot lock is simple in structure and low in manufacturing cost, and the problem of parking spot occupation is solved to a certain extent.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

In order to make it easier for those skilled in the art to understand the improvement of the present invention over the prior art, some drawings and descriptions of the present invention have been simplified, and in order to clarify, some other elements have been omitted from this document, those skilled in the art should recognize that these omitted elements may also constitute the content of the present invention.

Claims

1. The utility model provides a parking stall lock control circuit which characterized in that includes:

the controller is used for changing the state of the parking spot lock according to the control signal;

the driving module is used for driving the motor;

the Bluetooth transmission module is used for realizing communication between the controller and external Bluetooth equipment;

the power supply module is used for supplying power to the motor, the controller, the driving module and the Bluetooth transmission module;

2. The parking stall lock control circuit of claim 1, wherein:

the controller comprises an STM32F103VET6 single chip microcomputer chip provided with an external storage FLASH, a chip CP2102 and an SD card;

the driving module takes an L298N high-power driving chip as a core chip;

I/O interfaces PA9 and PA10 of the chip STM32F103VET6 are respectively connected with pins RXD and TXD of a chip CP2102, and I/O interfaces PC8-PC12 and PD0 of the chip STM32F103VET6 are connected with an SD card;

the I/O interfaces PA8-PA15 of the chip STM32F103VET6 are respectively connected with input pins IN1-IN4, ENA and ENB of a driving chip L298N; the I/O interfaces PB10-PB15 of the chip STM32F103VET6 are connected with input pins of a driving chip L298N.

3. The parking stall lock control circuit of claim 2, wherein: no. 1 pin and No. 2 pin of the Bluetooth transmission module are connected with I/O interfaces PE2 and PA1 of a chip STM32F103VET6, and No. 3 pin and No. 4 pin of the Bluetooth transmission module are connected with pins RXD and TXD of a chip PC 2102.

4. The parking stall lock control circuit of claim 1, wherein: the power module comprises a storage battery and a solar panel used for charging the storage battery.

5. The utility model provides a parking stall lock, its characterized in that, includes bottom plate (1), motor (2), lead screw (3), movable base (4), first unable adjustment base (5), support (6), second unable adjustment base (7) and apron (8), bottom plate (1) is fixed in ground, motor (2), first unable adjustment base (5), second unable adjustment base (7) are fixed on bottom plate (1) by going to back interval in proper order, the output shaft of motor (2) is connected with the one end transmission of lead screw (3), the other end of lead screw (3) rotationally connects in first unable adjustment base (5), movable base (4) threaded connection is on lead screw (3) and can follow lead screw (3) and remove, support (6) are formed by first support (61) and second support (62) are articulated, the front end of first support (61) articulates on movable base (4) through the connection piece, The rear end of the second bracket (62) is hinged with the front end of the second bracket (62), the rear end of the second bracket (62) is hinged with the second fixed base (7), the cover plate (8) is sealed on the movable base (4), and the top of the cover plate (8) is provided with a strip-shaped through hole for the connecting sheet to pass through along the length direction of the screw rod;

the motor (2) is controlled to drive the screw rod (3) to rotate, so that the movable base (4) can slide along the length direction of the screw rod (3), and the support (6) is stretched and paved on the cover plate (8) or folded to be arched upwards to realize parking space unlocking or parking space locking.

6. The parking space lock of claim 5, wherein: the lead screw is characterized in that a guide rod (9) used for preventing the movable base (4) from being stressed and deflected is arranged under the lead screw (3) in parallel, the rear end of the guide rod (9) is fixed on the first fixed base (5), the front end of the guide rod penetrates through the movable base (4) and extends to be close to the motor (2), and the movable base (4) can slide on the guide rod (9).