CN203084942U - Parking lot management system based on Zigbee - Google Patents
Parking lot management system based on Zigbee Download PDFInfo
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- CN203084942U CN203084942U CN 201220717430 CN201220717430U CN203084942U CN 203084942 U CN203084942 U CN 203084942U CN 201220717430 CN201220717430 CN 201220717430 CN 201220717430 U CN201220717430 U CN 201220717430U CN 203084942 U CN203084942 U CN 203084942U
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- parking stall
- zigbee
- parking
- ultrasound wave
- detector
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Abstract
The utility model discloses a parking lot management system based on Zigbee, comprising supersonic wave parking stall detectors, a ZigBee coordinator, a PC and LEDs. Each supersonic wave parking stall detector is arranged over each parking stall and is used for detecting the parking state of each parking stall in real time, and the detection result is an ''occupied'' or ''empty'' state; the ZigBee coordinator receives the parking stall information acquired by the supersonic wave parking stall detectors through ZigBee route nodes; and the PC is communicated with the ZigBee coordinator through a CAN bus interface, is used for processing the parking stall information and sending the processed parking stall data to each LED in the parking lot for free parking stall information indication. The low-power characteristic of the Zigbee technology is employed, an appropriate sensor scheme is selected, an energy saving purpose is realized, and the maintenance cost is reduced at the largest degree.
Description
Technical field
The utility model relates to a kind of managing system of car parking based on Zigbee.
Background technology
Along with the high speed development of society, various traffic problems are following.Managing system of car parking in conjunction with Internet technology and wireless sensor technology, solved doing things in his own way in traditional parking factory management, function singleness, real-time is poor, and accuracy rate is low, various disadvantages such as inefficiency, for dredging of Modern Traffic network, traffic efficiency, the level of IT application, even gerentocratic decision-making all has crucial meaning.
The Zigbee technology is a kind of emerging wireless communication technique, has low message transmission rate, low-power consumption, low cost, network capacity is big, time delay is short, the self-organization of network, self-healing ability are strong, and characteristics such as multi-hop are organized in communication reliably, certainly.The Zigbee wireless network utilizes and to exempt from licence plate frequency range, dynamic group net, organizes the network characteristics of multi-hop certainly, reflects the situation that takies of each parking stall in real time.If again in conjunction with Internet technology, the occupancy in a plurality of parking lots in the certain zone of detection that can be real-time.For the parking lot high-efficiency management provides a new approach.This paper with the monitoring point networking, realizes real-time monitoring and intelligent management to whole parking lot by the Zigbee technology is incorporated the intelligent parking course management system.
The utility model content
The utility model purpose is to provide a kind of managing system of car parking based on Zigbee at the defective that prior art exists.
The utility model adopts following technical scheme for achieving the above object: a kind of managing system of car parking based on Zigbee comprises ultrasound wave parking stall detector, ZigBee telegon, PC and light-emitting diode display;
Described ultrasound wave parking stall detector, it is installed in each top, parking stall, is used for detecting in real time the dead ship condition of each parking stall, and the result is ' accounting for ' or ' sky ' state;
Described ZigBee telegon receives the parking space information that ultrasound wave parking stall detector is gathered by the ZigBee routing node;
Described PC, it is communicated by letter with the ZigBee telegon by the CAN bus interface, is used for the parking stall data that parking space information will be carried out after data processing also will be handled are sent to the surplus parking space information indication of the enterprising line space of each light-emitting diode display in the parking lot.
Preferably, described ultrasound wave parking stall detector comprises single-chip microcomputer and the ultrasonic transmitter that is electrically connected with described single-chip microcomputer, ultrasonic receiver, temperature sensor and radio frequency peripheral circuit antenna.
The beneficial effects of the utility model: the present invention is very huge by using Zigbee technical network capacity, and to hold be that maximum node number can reach 65535 to a network coordinator in theory, and each road device can hold 255 nodes.This is the incomparable advantages of other technologies.Territory net telegon control one by one can be used in a common parking lot that has 200 parking stalls, and more massive parking lot can use telegon to hold more massive parking stall quantity.
In managing system of car parking, each node needs data quantity transmitted seldom, only needs a few minutes even dozens of minutes to carry out data transmit-receive one time.Each data volume that sends is very little, so the characteristics of the low rate of Zigbee technology are applied in this control field just.Utilize Zigbee technology low in power consumption, select the right sensors scheme, realize purpose of energy saving, reduce maintenance cost to greatest extent.
Description of drawings
Fig. 1 structure principle chart of the present utility model;
Fig. 2 ultrasound wave of the present utility model parking stall panel detector structure synoptic diagram;
Fig. 3 infrared transmission module circuit theory diagrams of the present utility model;
Fig. 4 infrared receiving module circuit theory diagrams of the present utility model.
Embodiment
Shown in Figure 1, be a kind of managing system of car parking based on Zigbee, comprise ultrasound wave parking stall detector 1, ZigBee telegon 2, PC 3 and light-emitting diode display 4; Described ultrasound wave parking stall detector 1, it is installed in each top, parking stall, is used for detecting in real time the dead ship condition of each parking stall, and the result is ' accounting for ' or ' sky ' state; Described ZigBee telegon 2 receives the parking space information that ultrasound wave parking stall detector 1 is gathered by the ZigBee routing node; Described PC 3, it is communicated by letter with ZigBee telegon 2 by the CAN bus interface, is used for the parking stall data that parking space information will be carried out after data processing also will be handled are sent to the surplus parking space information indication of each light-emitting diode display 4 enterprising line spaces in the parking lot; Thereby realize that guided vehicle sails the function of empty wagons position into.
As the important component part of ZigBee network node, ' accounting for ', ' sky ' state of parking stall under the parking space detector node mainly be responsible for to be judged, and detected result is transferred to ZigBee telegon 2 by other ZigBee routing nodes.Among Fig. 2, ultrasound wave parking space detector 1 of the present invention can be with temperature compensation, and it is made of four parts: ultrasonic transmitter 5, ultrasonic receiver 9, single-chip microcomputer 6, temperature sensor 7 and radio frequency peripheral circuit antenna 8.
The Zigbee Module Design adopts the CC2430 chip of Chipcon company as core component.Use CC2430
Only need external component seldom, its peripheral circuit mainly comprises crystal oscillator clock circuit, radio frequency I/O match circuit etc.; Stable performance and power consumption are extremely low.This paper utilizes ZigBee chip CC2430 to design two category nodes.Sensor node is become in conjunction with group of ultrasonic sensors by CC2430, realizes the function of information acquisition and transmission, and coordinator node is made up of CC2430 and SJA1000, realizes the function that converges the information of all child nodes and send host computer to.
The system of considering is by the network function assembly of three difference in functionalitys (network coordinator, router, terminal node), wherein network coordinator and router are the continued power unit, and terminal node need be considered the convenience of arranging net, and adopts rechargeable battery or lithium battery power supply.Because network coordinator need send to PC by serial ports with the data of each node, so can directly pass through the USB mouth power taking of PC; Router need arrange that the spacious higher position of motor pool is (as electric pole-outdoor, roof-indoor) so that accepts and link terminal node and other router datas, can adopt the power supply of mains-supplied or solar panel, this paper will not further analyze as space is limited, the design's electric power system input voltage is 1.5V-15V, adopting voltage raising and reducing formula (Buck Boost) Switching Power Supply to increase the voltage scope of application and the raising power utilization efficient (the power supply power utilization rate of opening the light reaches 95%) of equipment, is system's power supply so this paper selects the MIC5245 chip to produce the 3.3V power supply.
As can be known shown in Figure 3, (having only two IO mouth output currents is 20mA because CC2430 single-chip microcomputer IO maximum output current is very little, but it is occupied, other IO supply currents are very little), there is the under powered problem of infrared emission, come amplifying emission power by IO control metal-oxide-semiconductor in the design, IO pin P1_0 drags down, source electrode and grid pressure reduction 3.3V, metal-oxide-semiconductor is opened fully, IO pin P1_0 draws high or is ternary floating empty, and pull-up resistor R6 moves grid voltage to source voltage, guarantees that metal-oxide-semiconductor closes fully.Regulate the size of resistance R 5 in the practical application according to demand and adjust the metal-oxide-semiconductor output power, and then adjust infrared effective detection distance.
In the actual measurement, transmitting range, transmitter current, R5 resistance roughly are the following table relation:
| R5(ohm) | 330 | 200 | 100 | 50 |
| Transmitter current (mA) | 2 | 5 | 12 | 20 |
| Transmitting range (cm) | 10 | 20 | 50 | 80 |
In shown in Figure 4, for the consideration (peripheral hardware is closed during device sleeps, the power saving of io high-impedance state) of low-power consumption, with metal-oxide-semiconductor control, output power has the R8 decision to the power supply of infrared receiving module HX1838 equally.P0_0 drags down when the IO pin, the metal-oxide-semiconductor conducting, and the infrared receiving module energising, IO pin P0_0 draws high or is ternary floating empty, and MOS closes, set breakpoint.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (2)
1. the managing system of car parking based on Zigbee is characterized in that, comprises ultrasound wave parking stall detector, ZigBee telegon, PC and light-emitting diode display;
Described ultrasound wave parking stall detector, it is installed in each top, parking stall, is used for detecting in real time the dead ship condition of each parking stall, and the result is ' accounting for ' or ' sky ' state;
Described ZigBee telegon receives the parking space information that ultrasound wave parking stall detector is gathered by the ZigBee routing node;
Described PC, it is communicated by letter with the ZigBee telegon by the CAN bus interface, is used for the parking stall data that parking space information will be carried out after data processing also will be handled are sent to the surplus parking space information indication of the enterprising line space of each light-emitting diode display in the parking lot.
2. a kind of managing system of car parking as claimed in claim 1 based on Zigbee, it is characterized in that, described ultrasound wave parking stall detector comprises single-chip microcomputer and the ultrasonic transmitter that is electrically connected with described single-chip microcomputer, ultrasonic receiver, temperature sensor and radio frequency peripheral circuit antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220717430 CN203084942U (en) | 2012-12-21 | 2012-12-21 | Parking lot management system based on Zigbee |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220717430 CN203084942U (en) | 2012-12-21 | 2012-12-21 | Parking lot management system based on Zigbee |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203084942U true CN203084942U (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220717430 Expired - Fee Related CN203084942U (en) | 2012-12-21 | 2012-12-21 | Parking lot management system based on Zigbee |
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| Country | Link |
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| CN (1) | CN203084942U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489332A (en) * | 2013-10-14 | 2014-01-01 | 尹梦寒 | Parking place search network in smart community |
| CN108172022A (en) * | 2018-01-22 | 2018-06-15 | 无锡工艺职业技术学院 | A kind of management method of the Intelligent parking lot management system based on ZigBee |
-
2012
- 2012-12-21 CN CN 201220717430 patent/CN203084942U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489332A (en) * | 2013-10-14 | 2014-01-01 | 尹梦寒 | Parking place search network in smart community |
| CN103489332B (en) * | 2013-10-14 | 2015-11-25 | 尹梦寒 | The parking stall search network of intelligence community |
| CN108172022A (en) * | 2018-01-22 | 2018-06-15 | 无锡工艺职业技术学院 | A kind of management method of the Intelligent parking lot management system based on ZigBee |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130724 Termination date: 20141221 |
|
| EXPY | Termination of patent right or utility model |