CN204375176U - Parking stall detection node and system - Google Patents
Parking stall detection node and system Download PDFInfo
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- CN204375176U CN204375176U CN201520094399.4U CN201520094399U CN204375176U CN 204375176 U CN204375176 U CN 204375176U CN 201520094399 U CN201520094399 U CN 201520094399U CN 204375176 U CN204375176 U CN 204375176U
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- detection node
- parking stall
- chip microcomputer
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Abstract
The utility model relates to parking stall management detection technique, in particular to a kind of parking stall detection node and system, described parking stall detection node comprises voltage-stabilized power supply circuit, one chip microcomputer system, geomagnetic sensor, RS-485 bus interface and LED state pilot lamp, described one chip microcomputer system is connected with described RS-485 bus interface, geomagnetic sensor, LED state pilot lamp, and described voltage-stabilized power supply circuit is connected with LED state pilot lamp with described one chip microcomputer system, geomagnetic sensor, RS-485 bus interface respectively; Whether the utility model detection node is responded to by geomagnetic sensor has vehicle to be parked on parking stall, and is shown by LED state pilot lamp, realizes, with the connection of remote parking position detecting system, being convenient to this parking stall of telemanagement by RS-485 bus interface.
Description
Technical field
The utility model relates to parking stall management detection technique, particularly parking stall detection node and system.
Background technology
Along with the development of economic society, automobile is day by day universal in civil plantation, and motor vehicle number increases, and the difficult problem of motor vehicles parking becomes increasingly conspicuous.How rationally and effectively managing parking space, make parking stall efficiency utilization and reasonable management, the problem demanding prompt solution of the person that is parking lot management.
Prior art generally adopts the detection probe of infrared electronic technology, detection probe is contained in above parking stall, and when there being vehicle to be parked on parking stall, infrared sensor can detect and indicate this parking stall to stop there is vehicle by red led.Detection probe is contained in above parking stall due to needs by this technology, generally be applicable to parking garage, and motor pool due to space open, be difficult to install detection probe above parking stall, and, the general failed cluster of detection probe due to prior art, parking lot management person be difficult to judge long-range know parking stall be free time or take, more can not pass on to the automobile drivers not entering parking lot the information having how many parking stalls free time, not utilize the effective use such as supvr, driver parking stall.
Utility model content
For overcoming the above problems, the utility model provides a kind of parking stall detection node and system.
Parking stall of the present utility model detection node, comprise voltage-stabilized power supply circuit, one chip microcomputer system, geomagnetic sensor, RS-485 bus interface and LED state pilot lamp, described one chip microcomputer system is connected with described RS-485 bus interface, geomagnetic sensor, LED state pilot lamp respectively, and described voltage-stabilized power supply circuit is connected with LED state pilot lamp with described one chip microcomputer system, geomagnetic sensor, RS-485 bus interface respectively.
Whether the utility model detection node is responded to by geomagnetic sensor has vehicle to be parked on parking stall, and is shown by LED state pilot lamp, realizes, with the connection of remote parking position detecting system, being convenient to this parking stall of telemanagement by RS-485 bus interface.
Parking site detecting system of the present utility model, comprise main control singlechip system, power module, signal communication interface, described main control singlechip system is connected with described signal communication interface, described main control singlechip system is connected with described detection node by RS-485 bus, and described power module is connected with detection node with described main control singlechip system, signal communication interface respectively.
Preferably, described detection node has 2 at least, is connected between each detection node by RS-485 bus parallel.
Multiple detection node is connected by RS-485 bus by parking site detecting system of the present utility model, realizes the centralized management on multiple parking stall, and realizes the connection of remote server by signal communication interface, to realize wider parking stall management.
Accompanying drawing explanation
Fig. 1 is the utility model parking stall detection node first preferred embodiment structural representation;
Fig. 2 is the utility model parking stall detection node second preferred embodiment structural representation;
Fig. 3 is the utility model parking stall detection node the 3rd preferred embodiment structural representation;
Fig. 4 is the utility model parking stall detection node one chip microcomputer System Preferred embodiments electrical block diagram;
Fig. 5 is the utility model parking stall detection node voltage-stabilized power supply circuit first preferred embodiment electrical block diagram;
Fig. 6 is the utility model parking stall detection node voltage-stabilized power supply circuit second preferred embodiment electrical block diagram;
Fig. 7 is the utility model parking site detecting system preferred embodiment structural representation;
Fig. 8 is the utility model parking site detecting system power module AC-DC circuit preferred embodiment electrical block diagram.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing and preferred embodiment or embodiment, the present invention is described in further details.Should be appreciated that described embodiment or embodiment only in order to explain the present invention, be not intended to limit the present invention.
The utility model parking stall detection node, preferred embodiment as shown in Figure 1, comprise voltage-stabilized power supply circuit, one chip microcomputer system, geomagnetic sensor, RS-485 bus interface and LED state pilot lamp, described one chip microcomputer system is connected with described RS-485 bus interface, geomagnetic sensor, LED state pilot lamp respectively, and described voltage-stabilized power supply circuit is connected with LED state pilot lamp with described one chip microcomputer system, geomagnetic sensor, RS-485 bus interface respectively.
As another kind of embodiment, the utility model parking stall detection node preferred embodiment as shown in Figure 2, described detection node comprises the berth lock control interface be connected with described voltage-stabilized power supply circuit with described one chip microcomputer system respectively, and the berth lock sent for receiving one chip microcomputer system pins order or unlock command.Described berth lock control interface is connected with berth lock, controls berth lock and has completed the operations such as car locking position, unblock and anti-collision.
As another kind of embodiment, the utility model parking stall detection node preferred embodiment as shown in Figure 3, described detection node comprises the LCD display be connected with described voltage-stabilized power supply circuit with described one chip microcomputer system respectively, for showing on parking stall whether stop there is vehicle.
Described one chip microcomputer system as shown in Figure 4, mainly comprises single-chip microcomputer, power interface and filtering process, reset circuit, external crystal-controlled oscillation oscillatory circuit, ISP download circuit and interface, in-circuit emulation interface and circuit and is convenient to the LED that observes and key circuit etc.
Described single-chip microcomputer can be 51 conventional series monolithics, and its function is simple, dependable performance, low price, but its I2C can only be realized by simulated timing diagrams, and stability is unreliable, and function is incomplete.Also can be AVR series 8 single-chip microcomputers, its part support hardware I2C passage, possess the communication interfaces such as hyperchannel UART, SPI, also can download by ISP, but single-chip microcomputer too low side, do not support that embedded OS is implanted, native system is required also to be short of to some extent for stability.Preferably, adopt STM32 series 32 arm processors, it is stable and reliable for performance, multiple functional, programming also easily realizes, and supports embedded OS, substantially increases the stability of system.Such as adopt STM32F103T8, this model number of pins is less, and communication interface is also simple, is convenient to the volume reducing detection node.
Alternatively, described voltage-stabilized power supply circuit is 3.3V mu balanced circuit, adopts AMS1117 voltage stabilizing chip circuit, and as shown in Figure 5, imput output circuit is simple, only needs to carry out secondary pressure to input and output filtering process and voltage stabilizing diode.
Alternatively, described voltage-stabilized power supply circuit is 5V mu balanced circuit, adopts LM2940 voltage stabilizing chip circuit, and as shown in Figure 6, imput output circuit is simple, only needs to carry out secondary pressure to input and output filtering process and voltage stabilizing diode.
Certainly, described voltage-stabilized power supply circuit can also adopt other voltage stabilizing chip circuits, such as TPS7350 voltage stabilizing chip circuit etc.
Geomagnetic sensor of the present utility model is a kind of surface-pasted high integration module, and with the weak magnetic sensor chip of digital interface, is applied to low cost compass and magnetic field detection field.Can adopt Honeywell Magnetic Sensor, such as HMC5883L Magnetic Sensor, it adopts Honeywell anisotropic magnetoresistive (AMR) technology, and the advantage of this technology is that other magnetic sensor technologies cannot be reached.These anisotropy sensors have in axial high sensitivity and linear high-precision feature. sensor with the solid-phase construction for the low sensitivity row of orthogonal axes can be used for measuring direction and the size in magnetic field of the earth, its measurement range is from milligauss to 8 Gausses.The Magnetic Sensor of Honeywell is the sensor that sensitivity is the highest and reliability is best in downfield sensor industry.We use the module of finished product, reliable in function, stable performance.
RS-485 bus maximum transmission distance standard value of the present utility model is about 1219 meters, in fact 3000 meters can be reached, RS-232-C interface only allows connection 1 transceiver in bus, namely there is single station ability, and RS-485 interface is allow to connect 400 transceivers on same parallel bus in bus, there is multistation ability, such user can utilize single RS-485 interface to set up many devices communicatings network easily, further, use 74HC157 logic chip to carry out logical function treatment and make the individual detection node of the native system theoretical carry 3200 (400 × 8) of energy, for stability, the utility model considers that software is preferably set to maximum 2048 (256 × 8) individual detection node.
In use, the utility model detection node is generally arranged on below parking stall and (is arranged on other positions, parking stall according to field conditions to be also fine), whether responded to by geomagnetic sensor has vehicle to be parked on parking stall, and shown by LED state pilot lamp, realize, with the connection of remote parking position detecting system, being convenient to this parking stall of telemanagement by RS-485 bus interface.
The utility model parking site detecting system, as shown in Figure 7, comprise main control singlechip system, power module, signal communication interface, described main control singlechip system is connected with described signal communication interface, described main control singlechip system is connected with above-mentioned detection node by RS-485 bus, and described power module is connected with detection node with described main control singlechip system, signal communication interface respectively.
Preferably, described detection node has 2 at least, is connected between each detection node by RS-485 bus parallel.
Preferably, described power module is AC-DC circuit, and alternating current is converted to direct current, is powered to system by civil power conversion, as shown in Figure 8, converts civil power to 12V stablize DC power supply and use for system through rectifier bridge rectification, LC filtering circuit.
Alternatively, described power module comprises the solar panel and accumulator that are connected, and collecting sun power by solar panel and be converted into power storage in accumulator, is system power supply by accumulator.
Described signal communication interface provides the communication connection interface between the utility model parking site detecting system and remote server, wireless communication interface can be adopted, as WIFI interface, GPRS interface, mobile communication network interface etc., wired communication interface can also be adopted, as cable interface etc.
Described main control singlechip system, comprises and mainly comprises single-chip microcomputer, power interface and filtering process, reset circuit, external crystal-controlled oscillation oscillatory circuit, ISP download circuit and interface, in-circuit emulation interface and circuit and be convenient to the LED that observes and key circuit etc.Described single-chip microcomputer can be 51 conventional series monolithics, and its function is simple, dependable performance, low price, but its I2C can only be realized by simulated timing diagrams, and stability is unreliable, and function is incomplete.Also can be AVR series 8 single-chip microcomputers, its part support hardware I2C passage, possess the communication interfaces such as hyperchannel UART, SPI, also can download by ISP, but single-chip microcomputer too low side, do not support that embedded OS is implanted, native system is required also to be short of to some extent for stability.Preferably, adopt STM32 series 32 arm processors, it is stable and reliable for performance, multiple functional, programming also easily realizes, and supports embedded OS, substantially increases the stability of system.Such as adopt STM32F103RE processor, this model communication interface is abundanter, FLASH and SRAM space is larger, can process complicated main control task.
Multiple detection node is connected by RS-485 bus by parking site detecting system of the present utility model, realizes the centralized management on multiple parking stall, and realizes the connection of remote server by signal communication interface, to realize wider parking stall management.
The present invention has carried out further detailed description for embodiment or embodiment to the object, technical solutions and advantages of the present invention; be understood that; above lifted embodiment or embodiment are only the preferred embodiment of the present invention; not in order to limit the present invention; all any amendments made for the present invention within the spirit and principles in the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. parking stall detection node, it is characterized in that: comprise voltage-stabilized power supply circuit, one chip microcomputer system, geomagnetic sensor, RS-485 bus interface and LED state pilot lamp, described one chip microcomputer system is connected with described RS-485 bus interface, geomagnetic sensor, LED state pilot lamp respectively, and described voltage-stabilized power supply circuit is connected with LED state pilot lamp with described one chip microcomputer system, geomagnetic sensor, RS-485 bus interface respectively.
2. parking stall detection node according to claim 1, is characterized in that: described detection node comprises the berth lock control interface be connected with voltage-stabilized power supply circuit with one chip microcomputer system respectively.
3. parking stall detection node according to claim 1, is characterized in that: described detection node comprises the LCD display be connected with voltage-stabilized power supply circuit with one chip microcomputer system respectively.
4. parking stall detection node according to claim 1, is characterized in that: described voltage-stabilized power supply circuit is 3.3V mu balanced circuit, adopts AMS1117 voltage stabilizing chip.
5. parking stall detection node according to claim 1, is characterized in that: described voltage-stabilized power supply circuit is 5V mu balanced circuit, adopts LM2940 voltage stabilizing chip.
6. parking stall detection node according to claim 1, is characterized in that: described geomagnetic sensor adopts Honeywell Magnetic Sensor.
7. parking site detecting system, it is characterized in that: comprise main control singlechip system, power module, signal communication interface, described main control singlechip system is connected with described signal communication interface, described main control singlechip system is connected with the arbitrary described detection node of claim 1-6 by RS-485 bus, and described power module is connected with detection node with described main control singlechip system, signal communication interface respectively.
8. parking site detecting system according to claim 7, be is characterized in that: described detection node has 2 at least, is connected between each detection node by RS-485 bus parallel.
9. parking site detecting system according to claim 7, is characterized in that: described power module is AC-DC circuit.
10. parking site detecting system according to claim 7, is characterized in that: described power module comprises the solar panel and accumulator that are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520094399.4U CN204375176U (en) | 2015-02-10 | 2015-02-10 | Parking stall detection node and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520094399.4U CN204375176U (en) | 2015-02-10 | 2015-02-10 | Parking stall detection node and system |
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| Publication Number | Publication Date |
|---|---|
| CN204375176U true CN204375176U (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520094399.4U Expired - Fee Related CN204375176U (en) | 2015-02-10 | 2015-02-10 | Parking stall detection node and system |
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| CN (1) | CN204375176U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405193A (en) * | 2015-12-07 | 2016-03-16 | 广州山坡羊信息科技有限公司 | Intelligent control system for parking spot locks |
| WO2021093471A1 (en) * | 2019-11-13 | 2021-05-20 | 苏州泊讯物联网技术有限公司 | Parking space detection system and method, and smart parking platform |
-
2015
- 2015-02-10 CN CN201520094399.4U patent/CN204375176U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405193A (en) * | 2015-12-07 | 2016-03-16 | 广州山坡羊信息科技有限公司 | Intelligent control system for parking spot locks |
| WO2021093471A1 (en) * | 2019-11-13 | 2021-05-20 | 苏州泊讯物联网技术有限公司 | Parking space detection system and method, and smart parking platform |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20170210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |