CN102005134A - Side-mounted type wireless parking space status detector - Google Patents
Side-mounted type wireless parking space status detector Download PDFInfo
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- CN102005134A CN102005134A CN 201010604807 CN201010604807A CN102005134A CN 102005134 A CN102005134 A CN 102005134A CN 201010604807 CN201010604807 CN 201010604807 CN 201010604807 A CN201010604807 A CN 201010604807A CN 102005134 A CN102005134 A CN 102005134A
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Abstract
The invention relates to a side-mounted type wireless parking space status detector, comprising a casing, an ultrasonic receiving probe, an ultrasonic transmitting probe and a control circuit board, wherein a coding and high-frequency transmitting board is installed in the casing; a transmitting antenna is installed on the coding and high-frequency transmitting board; the ultrasonic receiving probe and the ultrasonic transmitting probe are fixedly installed on a rotating shaft; two ends of the rotating shaft are fixed at the fixed ends of adjustable fixed plates at two sides of the casing; the adjusting end of each adjustable fixed plate is provided with an adjusting hole in which the adjustable fixed plate can be fixed on the casing through an adjusting bolt; and the control circuit board is fixedly installed at the bottom of the casing, wherein the input end of the control circuit board is successively connected with the ultrasonic receiving probe, the ultrasonic transmitting probe, and the output end of a build-in dry battery, and the input end of the coding and high-frequency transmitting board is connected with the output end of the control circuit board. The status detector is fast and convenient for installation and convenient for maintenance, and has super low power consumption, high detection accuracy and adjustable probe angles, thereby being suitable for various complex parking lots.
Description
Technical field
The present invention relates to a kind of detection parking stall status detection device.
Background technology
Develop rapidly and citizen's growth in the living standard along with the city, the various vehicle fleet sizes in city constantly increase, the thing followed then is the corresponding increase of demand that the parking position of district and residential block is mainly discussed in the city, the construction of large parking lot will help to improve the parking stall pressure, but also bring the management problems of large parking lot simultaneously.Thereby stop once in a while often to take more than half a hour and search the vehicle of oneself because be confused about original parking spot into the car owner of car.In order to realize real-time detection to the large parking lot parking stall, promptly detect and whether stopped vehicle on certain parking stall, meet the tendency and develop multiple technologies, existing detection mode is wherein most widely used general with ultrasonic detection technology, but existing ultrasonic detection technology has certain deficiency on using: the one, and existing ultrasonic probe must be installed in directly over each parking stall, and the construction volume of installation is very big, needs to lay a large amount of circuits power supply is provided, whole parking lot seems very not attractive in appearance; The 2nd, for baroque underground parking, when limit for height equipment such as ventilating duct especially are housed when the top, parking stall, because existing product all is that ultrasonic probe is completely fixed in the shell, and can not externally adjust, so various complex environment factor can limit its scope of application.The 3rd, ultrasonic probe is placed directly over the parking stall, because the ultrasonic scatterer reflection problems is more serious, such as the vehicle window that tilts, the very possible reflection supersonic wave not in place that stops receives the generation misjudgment phenomenon with the signal of adjacent parking stall; The 5th, the installation cost height, big energy-consuming, the pressure of cost has seriously limited its popularization.
Summary of the invention
The purpose of this invention is to provide a kind of side-mounted wireless parking stall state detector, solve accurately detecting and show the technical matters that whether parks cars in the parking stall; And solve that the detecting device installation wiring is great in constructing amount, big energy-consuming, erroneous judgement and can not externally adjust the problem of angle easily.
For achieving the above object, the present invention adopts following technical scheme: a kind of side-mounted wireless parking stall state detector, comprise shell, the ultrasound wave receiving transducer, ultrasonic emitting probe and control circuit board, coding and high-frequency emission plate are installed in the described shell, on coding and the high-frequency emission plate emitting antenna is installed, described ultrasound wave receiving transducer, the ultrasonic emitting probe is fixedly mounted in the rotating shaft, the two ends of rotating shaft are fixed on the stiff end of the adjustable fixed head of shell both sides, the adjustable side of adjustable fixed head has adjustment hole, by regulating bolt adjustable fixed head is fixed on the shell in the adjustment hole, described control circuit board is fixedly mounted on the bottom of shell.
Wherein the control module of control circuit board is connected with the output terminal of Millisecond sequential circuit, the input end of Millisecond sequential circuit and control module is connected the output terminal of the battery module of built-in dry cell, the input end of control module is connected with the output terminal of receiver module through amplification and filtering circuit, and the input end of receiver module is connected with the output terminal of ultrasound wave receiving transducer; The output terminal of control module is connected with the input end of transmitter module through the crystal oscillator module, the output terminal of transmitter module is connected with the input end of ultrasonic emitting probe, described coding is connected with control circuit board with the high-frequency emission plate, the output terminal of coding and high-frequency emission plate is connected to the input end of control module, and the output terminal of control module is connected to the input end of the wireless transmitter module of coding and high-frequency emission plate.
Described adjustable fixed head is that fan-shaped, fan-shaped axle center and rotating shaft two ends are fixed, and is that the center of circle has one section arc adjustment hole with the axle center on the covering of the fan of adjustable fixed head, by regulating bolt adjustable fixed head is fixed on the shell in the arc adjustment hole.
Described shell is the ABS engineering plastics, is having window with respect to ultrasound wave receiving transducer and ultrasonic emitting probe part.
Described coding and high-frequency emission plate comprise parking stall coding module, wireless transmitter module and emitting antenna, and described parking stall coding module adopts integrated circuit, select for use 1-5 integrated circuit to form cascade according to the parking stall number and form; The emission port of described wireless transmitter module is connected with the emitting antenna port, and described emitting antenna is annular or rectangle emitting antenna.
Described side-mounted wireless parking stall state detector is installed on the wall that the parking stall faces, emitting antenna by wireless encoding and high-frequency emission plate transmit a signal to show and control center in wireless receiver, comprise wireless receiving module and decoding output unit two parts composition in the wireless receiver, the output terminal of the wireless receiving module of wireless receiver is connected with the input end of decoding output unit.
Described side-mounted wireless parking stall state detector adopt built-in dry cell by substitute mode as power supply.
Compared with prior art the present invention has following characteristics and beneficial effect: the present invention can be widely used in the underground parking of various labyrinths, its installation is convenient, easy to maintenance, needn't excavation construction, destroy little to the rising wall face, and can to each automobile storage above the parking stall whether, accurately detect and show.Because thereby the connection of having adopted the super low-power consumption circuit thoroughly to get rid of any circuit is comprehensive radio detection mode; On the mode that this parking stall wagon detector is installed at the scene, adopt the design of the built-in adjustable probe orientation of shell, fully be applicable to various complicated installation environments; Adopt built-in dry cell to place power supply and wireless data transmission mode in the shell, effectively get rid of power lead and transmission line, and drop to the power attenuation of this detecting device extremely low.The Low-power Technology that the present invention takes, mainly be at the ultrasonic emitting head, receive head and control, wireless transmit, in the feed circuit of parking stall coding module, adopt HC74, HC138, production of integrated circuits such as PIC636, adopted the mode of under the control of Millisecond sequential circuit and control module " line synchro ", promptly after certain time interval, utilize the burst pulse (with ultrasonic emitting head and reception head) of a 20ms that it is powered simultaneously, and guarantee in other time, not power, pulsed mode by big space rate has reached extremely low power dissipation, the utilization pulse mode is carried out work, most of the time is in dormant state, only just works when the parking stall state changes.
Usually ultrasonic detector all adopts normal power supply mode to transmitting and receiving module for accuracy, the stability that guarantees the ultrasound emission frequency and the reliability that receives, and makes the power consumption increase cause being unsuitable for adopting powered battery like this.The present invention has solved the accurate stability of burst pulse ultrasound emission frequency effectively and has received the problem of response reliable reception fast.So can be to work 20 milliseconds under Millisecond sequential circuit control, the cycle of outage 4980 be carried out work, average power consumption only be 0.06 milliampere/time.
Ultrasonic emitting probe TCT40-12T of the present invention and ultrasound wave receiving transducer TCT40-12R are fixed in the same rotating shaft, can like this, even the whole casing of detecting device is motionless, also can reach the purpose of adjustable angle along with rotating shaft is together rotated.When installing at the scene,, after mixing up, it is tightened get final product with regard to available artificial freely regulated mode.Irregular not being difficult to simultaneously installs no matter the installation environment of underground parking is seen height on the whole, there is a large amount of air-conditioning ducts, drainage pipeline, half shelters such as various upper and lower conduits road facility, can select nearby fixing, the mode of adjusting angle satisfies the complex installation requirement respectively.Have high sensitivity, the precision of detection is high, has quite high reliability, and protecting against shock is anti-interference.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing.
Fig. 1 is a high-level schematic functional block diagram of the present invention.
Fig. 2 is that coding of the present invention and high-frequency emission plate module are formed synoptic diagram.
Fig. 3 is a structural representation of the present invention.
Fig. 4 is the module diagram of using in the reality of the present invention.
Fig. 5 is that wireless receiver module of the present invention is formed synoptic diagram.
Fig. 6 is wireless receiver decoding unit circuit theory diagrams of the present invention.
Fig. 7 is the embodiments of the invention synoptic diagram.
Reference numeral: 1-shell, 2-emitting antenna, 3-coding and high-frequency emission plate, 4-ultrasound wave receiving transducer, 5-control circuit board, 6-ultrasonic emitting probe, 7-rotating shaft, the adjustable fixed head of 8-, the built-in dry cell of 9-, 10-set bolt, 11-parking stall, 12-wall, 13-wireless receiving module, 14-decoding output unit, 15-demonstration and control center, the side-mounted wireless parking stall of 16-state detector.
Embodiment
Referring to Fig. 1 is the high-level schematic functional block diagram of this detector.This detector is that ultrasound wave receiving transducer 4, ultrasonic emitting probe 6, control circuit board 5, coding are formed wherein with high-frequency emission plate 3 and built-in dry cell 9: 2 pin of the transmitter module that ultrasonic emitting is popped one's head in are connected to control module 2 pin of control circuit board, and its effect is to launch ultrasonic signal under the control of control module.Adopt commercially available CHS-T ultrasonic emitting probe to make, also can adopt the ultrasonic emitting probe of other models.
The receiver module effect of ultrasound wave receiving transducer 4 is to convert electric signal to receiving ultrasonic signal, and by control module 1 pin that 2 pin are connected to control circuit board this electric signal is handled.Adopt commercially available CHS-R ultrasound wave receiving transducer to make, also can adopt the ultrasound wave receiving transducer of other models.The ultrasound wave of the 40KHz that sends by ultrasonic emitting probe CHS-T, after shining the place ahead, the place ahead if having automobile storage the time, this vehicle will be returned this ultrasonic reflections, be installed in the ultrasound wave receiving transducer CHS-R in the same housing, will receive this reflection echo signal.
Described coding and high-frequency emission plate 3 comprise parking stall coding module, wireless transmitter module, coding is connected with control circuit board with the high-frequency emission plate, the output terminal of parking stall coding module is connected to the input end of control module, and the output terminal of control module is connected to the input end of the wireless transmitter module of coding and high-frequency emission plate.The effect of parking stall coding module provides the setting of address, parking stall, by 2 pin the address date that is provided with is sent to 5 pin of the control module of control circuit board, by control module it is handled.Adopt commercially available PT2262 integrated circuit to form.2 pin of wireless transmitter module are connected to control module 4 pin of control circuit board, and its effect is under the control of control module the parking stall status information to be sent to wireless receiver with wireless mode, adopt commercially available SZ-SAW-FST-4 transmitter module to make.
Referring to shown in Figure 7, the control module of control circuit board is the control core of detector, the control module of control circuit board is connected with the output terminal of Millisecond sequential circuit, the input end of Millisecond sequential circuit and control module is connected the output terminal of the battery module of built-in dry cell, control module receives the electric power of the battery module 1 pin output of built-in dry cell by 6 pin under the management of Millisecond sequential circuit via 7 pin, and be connected to the receiver module of ultrasound wave receiving transducer 4 through 3 pin, the transmitter module of ultrasonic emitting probe, 1 pin of parking stall coding module and wireless sending module is supplied with for it provides the synchro control power supply, finishes the control function of synchronous opening and closing.The input end of control module is connected with the output terminal of receiver module through the enlarger filtering circuit, and the input end of receiver module is connected with the output terminal of ultrasound wave receiving transducer; The output terminal of control module is connected with the input end of transmitter module through the crystal oscillator module, the output terminal of transmitter module is connected with the input end of ultrasonic emitting probe, control module also is connected to transmitter module 2 pin that ultrasonic emitting pop one's head in through the crystal oscillator module with control signal by 2 pin in power supply, control hyperacoustic emission; Transfer the parking stall status signal by 1 pin after treatment to through the electric signal of the receiver module 2 pin output of amplification and filtering circuit reception ultrasound wave receiving transducer 4; Receive the address date of parking stall coding module 2 pin output by 5 pin; The data that 2 pin that parking stall state after will changing by 4 pin and address data signal are connected to wireless transmitter module go to finish send.Adopt production of integrated circuits such as HC74, HC138, PIC636.The utilization pulse mode is carried out work, and the most of the time is in dormant state, only just works when the parking stall state changes, and greatly reduces power consumption.Built-in dry cell effect is for detector provides the energy, makes it finish normal work.Adopted ER14505 to be output as the high-performance lithium battery of 3.6V/2.2Ah to satisfy the requirement of continuous 3 years operate as normal.And can be after battery uses up, the utmost point continues to use after being convenient for changing battery.
Referring to shown in Figure 2, coding is BQ315 plates with high-frequency emission plate 3, comprise parking stall coding module, wireless transmitter module and emitting antenna 2 compositions, described parking stall coding module adopts the PT2262 integrated circuit, selects for use 1-5 PT2262 integrated circuit to form cascade according to the parking stall number and forms; Described wireless transmitter module adopts the SZ-SAW-FST-4 transmitter module, and the emission port of transmitter module is connected with the emitting antenna port, and described emitting antenna 2 is annular or rectangle emitting antenna.
Referring to structural representation of the present invention shown in Figure 3.A kind of side-mounted wireless parking stall state detector, comprise shell 1, ultrasound wave receiving transducer 4, ultrasonic emitting probe 6 and control circuit board 5, described shell 1 is the ABS engineering plastics, has window in 6 parts of popping one's head in respect to ultrasound wave receiving transducer 4 and ultrasonic emitting.Vertical coding and the high-frequency emission plate 3 of being equipped with on the madial wall of shell 1, on coding and the high-frequency emission plate 3 emitting antenna 2 is installed, described ultrasound wave receiving transducer 4, ultrasonic emitting probe 6 are fixedly mounted in the rotating shaft 7, need to say especially be a ultrasonic emitting TCT40-12T and a ultrasound wave reception TCT40-12R the two all be fixed on the same cylindrical shaft, can be along with the rotation of cylinder, excusing from death is sent out, is received head and also can rotate, like this, even the whole casing of detecting device is motionless, also can reach the purpose of adjustable angle.The two ends of described rotating shaft 7 are fixed on the stiff end of the adjustable fixed head 8 of shell 1 both sides, described adjustable fixed head 8 is fan-shaped, fan-shaped axle center and rotating shaft two ends are fixed, be that the center of circle has one section arc adjustment hole with the axle center on the covering of the fan of adjustable fixed head, by regulating bolt 10 adjustable fixed head be fixed on the shell in the arc adjustment hole.Described control circuit board 5 is fixedly mounted on the bottom of shell, and wherein the input end of control circuit board is connected with the output terminal of built-in dry cell 9, side-mounted wireless parking stall state detector 16 adopt built-in dry cell 9 by substitute mode as power supply.
Fig. 4 is the module diagram of using in the reality, on the wall 12 that the parking stall that side-mounted wireless parking stall state detector 16 is installed in the parking lot faces, be used to detect and whether stop to have vehicle on the parking stall 11, emitting antenna by wireless encoding and high-frequency emission plate transmits a signal to and shows and the wireless receiver of 15 li in control center that the wireless receiving module 13 of wireless receiver has or not sign indicating number to be sent to external units such as microcomputer, LED display, printer, Fare Collection System, parking stall guiding and information issuing system by parking bit code and the vehicle that decoding output unit 14 will solve.
Fig. 5 is that figure wireless receiver module is formed synoptic diagram.In actual applications, when detecting device detect each parking stall have or not the car state after, can launch the coded signal on this parking stall automatically and have or not the status signal of car, this distance is generally within hundreds of rice.And the management control center in parking lot is provided with wireless receiver, comprises wireless receiving module and decoding output unit two parts composition in the wireless receiver.Wireless receiver has adopted the way of output of RS485, and wireless receiving module adopts the SZ-SAW-CWC-6 wireless receiving module, and the decoding output unit adopts PIC16LC73A-04 single-chip microcomputer and MAX487 integrated circuit to form.Parking bit code and vehicle that the decoding output unit solves have or not sign indicating number, send to external units such as microcomputer, LED display, printer, Fare Collection System, parking stall guiding and information issuing systems.Whole parking information management software is installed in the microcomputer, and whole management software can be finished a series of functions according to user's layout: 1. can form that induce the parking stall and guidance system, help the driver to find the parking stall in the shortest time.2. the true parking space information in each parking lot, city can be distributed on online or the 3G mobile.3. can include Fare Collection System in and make authority down time.
Fig. 6 is decoding output unit circuit theory diagrams in the wireless receiver of the present invention.Circuit is described below: U1 is that singlechip chip PIC16LC73A-04 is used for decoding, protocol conversion and control among the figure, capacitor C3,4,5,6 and crystal Z1,2 form oscillators and provide clock signal for single-chip microcomputer.Capacitor C1,2,7, the 8th, power filtering capacitor are used to eliminate the interference on the power supply, and the 12V DC voltage of input is inserted by the X2 terminal, and V2 is connected to integrated regulator V1 through the protection diode, for this unit provides stable operating voltage.U2 is that digital integrated circuit is finished " house dog " function." 21 " pin that reset signal " 3 " pin by U2 is connected to when unusual U1 when communication and program run makes U1 reset.U3 is a RS485 communication special IC, and 1,2,3,4 pin of U3 are connected to 16,17,18 pin of U1 and U1 respectively and communicate and finish data transmission, and become the communication protocol mode of RS485 to export peripheral hardware to through X3 data-switching.By parking space information data from wireless receiving module output, 2 pin (I/O mouth) that accessed to U1 by X1 are stored in the interior buffer area of sheet, through single-chip microcomputer its signal are handled by the protocol requirement of connecing peripheral hardware after export external units such as microcomputer, LED display, printer, Fare Collection System, parking stall guiding and information issuing system in RS485 communication protocol mode by U3.
Claims (6)
1. side-mounted wireless parking stall state detector, comprise shell (1), ultrasound wave receiving transducer (4), ultrasonic emitting probe (6) and control circuit board (5), it is characterized in that: coding and high-frequency emission plate (3) are installed in the described shell (1), on coding and the high-frequency emission plate (3) emitting antenna (2) is installed, described ultrasound wave receiving transducer (4), ultrasonic emitting probe (6) is fixedly mounted in the rotating shaft (7), the two ends of rotating shaft (7) are fixed on the stiff end of the adjustable fixed head (8) of shell (1) both sides, the adjustable side of adjustable fixed head has adjustment hole, by regulating bolt (10) adjustable fixed head is fixed on the shell in the adjustment hole, described control circuit board (5) is fixedly mounted on the bottom of shell, and the input end of control circuit board is connected with the output terminal of built-in dry cell (9);
Wherein the control module of control circuit board is connected with the output terminal of Millisecond sequential circuit, the input end of Millisecond sequential circuit and control module is connected the output terminal of the battery module of built-in dry cell, the input end of control module is connected with the output terminal of receiver module through amplification and filtering circuit, and the input end of receiver module is connected with the output terminal of ultrasound wave receiving transducer; The output terminal of control module is connected with the input end of transmitter module through the crystal oscillator module, the output terminal of transmitter module is connected with the input end of ultrasonic emitting probe, described coding is connected with control circuit board with the high-frequency emission plate, the output terminal of coding and high-frequency emission plate is connected to the input end of control module, and the output terminal of control module is connected to the input end of the wireless transmitter module of coding and high-frequency emission plate.
2. side-mounted wireless parking stall according to claim 1 state detector, it is characterized in that: described adjustable fixed head (8) is for fan-shaped, fan-shaped axle center and rotating shaft two ends are fixed, be that the center of circle has one section arc adjustment hole with the axle center on the covering of the fan of adjustable fixed head, by adjusting bolt (10) adjustable fixed head be fixed on the shell in the arc adjustment hole.
3. side-mounted wireless parking stall according to claim 2 state detector, it is characterized in that: described shell (1) is the ABS engineering plastics, is having window with respect to ultrasound wave receiving transducer (4) and ultrasonic emitting probe (6) part.
4. side-mounted wireless parking stall according to claim 2 state detector, it is characterized in that: described coding and high-frequency emission plate (3) comprise parking stall coding module, wireless transmitter module and emitting antenna, described parking stall coding module adopts integrated circuit, selects for use 1-5 integrated circuit to form cascade according to the parking stall number and forms; The emission port of described wireless transmitter module is connected with the emitting antenna port, and described emitting antenna (2) is annular or rectangle emitting antenna.
5. side-mounted wireless parking stall according to claim 2 state detector, it is characterized in that: described side-mounted wireless parking stall state detector (16) is installed on the wall (12) that parking stall (11) faces, transmit a signal to the wireless receiver of demonstration and control center (15) lining by the emitting antenna of wireless encoding and high-frequency emission plate, comprise wireless receiving module (13) and decoding output unit (14) two parts composition in the wireless receiver, the output terminal of the wireless receiving module of wireless receiver (13) is connected with the input end of decoding output unit (14).
6. side-mounted wireless parking stall according to claim 2 state detector is characterized in that: described side-mounted wireless parking stall state detector (16) adopt built-in dry cell (9) by substitute mode as power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010604807 CN102005134B (en) | 2010-12-24 | 2010-12-24 | Side-mounted type wireless parking space status detector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010604807 CN102005134B (en) | 2010-12-24 | 2010-12-24 | Side-mounted type wireless parking space status detector |
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| CN102005134A true CN102005134A (en) | 2011-04-06 |
| CN102005134B CN102005134B (en) | 2013-02-27 |
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| CN 201010604807 Expired - Fee Related CN102005134B (en) | 2010-12-24 | 2010-12-24 | Side-mounted type wireless parking space status detector |
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Cited By (7)
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| CN103325276A (en) * | 2013-06-25 | 2013-09-25 | 天津云视科技发展有限公司 | Device for realizing parking positioning monitoring through surface acoustic wave label |
| CN103680192A (en) * | 2012-09-07 | 2014-03-26 | 祝怀月 | Accurate recognition system for vehicle and parking space |
| CN104464365A (en) * | 2014-11-17 | 2015-03-25 | 成都和音科技有限公司 | Side parking transmitting terminal |
| CN104485014A (en) * | 2014-11-17 | 2015-04-01 | 成都和音科技有限公司 | Code setting mechanism |
| CN105913684A (en) * | 2016-05-12 | 2016-08-31 | 上海美迪索科电子科技有限公司 | Low-power wireless stall detection system and detection method thereof |
| TWI608453B (en) * | 2016-07-18 | 2017-12-11 | 安研科技股份有限公司 | System and method of notifying parking lot status |
| CN108537896A (en) * | 2017-05-04 | 2018-09-14 | 绿创新科技股份有限公司 | Parking charging system and operation method thereof |
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| CN102005134B (en) | 2013-02-27 |
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