CN201590167U - Ultrasonic parking lot detection device - Google Patents
Ultrasonic parking lot detection device Download PDFInfo
- Publication number
- CN201590167U CN201590167U CN2009202226685U CN200920222668U CN201590167U CN 201590167 U CN201590167 U CN 201590167U CN 2009202226685 U CN2009202226685 U CN 2009202226685U CN 200920222668 U CN200920222668 U CN 200920222668U CN 201590167 U CN201590167 U CN 201590167U
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- parking stall
- circuit
- ultrasound wave
- measure device
- stall measure
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Abstract
The utility model discloses an ultrasonic parking lot detection device, which is mounted on a ceiling above a parking lot or a lane. A microprocessor is connected with an ultrasonic receiving-transmitting integral converter through a transmitting drive circuit, the ultrasonic receiving-transmitting integral converter is connected with the microprocessor through a receiving amplifier circuit, and the microprocessor is respectively connected with an external LED interface circuit and an internal LED display circuit. A plastic body functioning in sound focusing and amplification is fixed on the upper portion of an ultrasonic prober. The ultrasonic parking lot detection device integrates a parking lot detection function and a parking lot indication function, can indicate through an external LED parking lot indicator lamp in case of inconvenient observation of a user, effectively avoids crosstalk between adjacent ultrasonic parking lot detection devices by adopting the plastic body, improves the transmitting and receiving efficiency of the ultrasonic converter, and increases detection distance.
Description
Technical field
The utility model relates to a kind of parking stall measure device, relate in particular to a kind of situation that takies of utilizing parking stall in the ultrasound examination parking lot, and, belong to static traffic management equipment technical field with the ultrasound wave parking stall measure device that parking stall measure function and parking stall deixis become one.
Background technology
The stopping guide system is a kind of device that improves the parking service level that occurs along with the continuous expansion of parking lot scale.Its operated by rotary motion as porch, garage, porch, every layer of parking area etc., dynamically shows vacant parking stall quantity by large display screen, and the path of going to the empty wagons position is guided on the main thoroughfare in parking lot.
The parking stall measure device is the important component part in the stopping guide system.In the patent No. is 200520057183.7 Chinese utility model patent, a kind of parking position guiding device is disclosed for example.In this parking stall guiding device, each parking stall central authorities top is equipped with ultrasound wave parking stall detector, by RS-485 transmission information flow, each manager, communication converter and communication bus and computing machine are linked to be an integral body between each ultrasound wave parking stall detector under each manager and its linchpin.
In the patent No. is 200620023060.6 Chinese utility model patent, disclose a kind of wireless senser network node equipment that is used to detect the parking stall, comprised ultrasound wave receiving transducer, ultrasound transmitting transducer, reception amplifying circuit, single-chip microcomputer, emission increasing degree circuit, radio communication circuit.This equipment adopts ultrasonic measuring distance technology that the parking stall state is detected.In parking stall measure, by the ultrasonic echo signal is sampled, and use single-chip microcomputer analytical sampling value to judge the user mode of parking stall, can effectively improve the accuracy rate of parking stall measure.Compare with existing ultrasound wave parking stall measure equipment, this equipment has parking stall measure accuracy rate height, does not need the advantage that connects up in force.
But existing ultrasound wave parking stall measure device is often being done well inadequately aspect the indication of parking stall, or does not have the parking stall deixis, or the passive contact of the relay way of output only is provided, or controls outside parking stall pilot lamp with active contact.In addition, in the sniffer of existing ultrasound wave parking stall, be installed between the ultrasound wave parking stall measure device of adjacent parking stall and have the phase mutual interference, promptly the ultrasound wave of a ultrasound wave parking stall measure device transmission often can receive by quilt other ultrasound wave parking stall measure device adjacent with it, its reason just is that hyperacoustic emission angle and receiving angle are too big, and the ultrasound wave directivity of sending is poor, can influence the measuring distance of ultrasound wave parking stall measure device.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of ultrasound wave parking stall measure device.This parking stall measure device becomes one parking stall measure function and parking stall deixis, can carry out the parking stall indication easily and intuitively.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of ultrasound wave parking stall measure device is installed on the ceiling directly over the parking stall or directly over the track, it is characterized in that:
Described ultrasound wave parking stall measure device comprises ultrasonic transmission/reception one transducer, emission driving circuit, receives amplifying circuit, microprocessor, external LED interface circuit and built-in LED display circuit; Wherein,
Described microprocessor connects described ultrasonic transmission/reception one transducer by described emission driving circuit, this ultrasonic transmission/reception one transducer connects described microprocessor by described reception amplifying circuit, and described microprocessor connects described external LED interface circuit and described built-in LED display circuit respectively.
Wherein, described ultrasound wave parking stall measure device also has telecommunication circuit, and described telecommunication circuit is connected with described microprocessor.
Described ultrasound wave parking stall measure device also has power circuit, and described power circuit provides electric power supply to described emission driving circuit, described reception amplifying circuit, described telecommunication circuit, described microprocessor, described external LED interface circuit and described built-in LED display circuit respectively.
The ultrasonic probe top of described ultrasound wave parking stall measure device is fixed with a plastic body that plays poly-sound amplification; The bottom of described plastic body is a right cylinder, and top is cone, is provided with at the top of described cone to be the cone shape groove that stands upside down.
Ultrasound wave parking stall measure device provided by the utility model has following advantage:
1. parking stall measure function and parking stall deixis are become one, observe the user and can carry out the parking stall indication under the inconvenient situation by external LED parking stall pilot lamp;
2. effectively avoid crosstalking between the adjacent ultrasound wave parking stall measure device, improve the emission receiving efficiency of ultrasonic transducer, improve the distance that detects;
3. above can also being placed on the track, parking lot, the place of needs uses as the vehicle count device.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the schematic block circuit diagram of ultrasound wave parking stall measure device provided by the utility model;
Fig. 2 is for playing the profile synoptic diagram of the plastic body that gathers the sound amplification in this ultrasound wave parking stall measure device;
Fig. 3 (a) and Fig. 3 (b) prevent the principle schematic that disturb adjacent parking stall for this ultrasound wave parking stall measure device;
Fig. 4 is the demonstration synoptic diagram of the external LED in this ultrasound wave parking stall measure device;
Fig. 5 utilizes ultrasound wave to carry out the working state schematic representation of parking stall measure for this ultrasound wave parking stall measure device.
Embodiment
In order to overcome existing ultrasound wave parking space detector in the deficiency aspect parking stall indication and the parking stall measure, the utility model provides a kind of novel ultrasound wave parking stall measure device.As shown in Figure 1, it comprises ultrasonic transmission/reception one transducer 1, emission driving circuit 2, receives amplifying circuit 3, telecommunication circuit 4, microprocessor 5, power circuit 6, external LED interface circuit 7 and built-in LED display circuit 8.Wherein microprocessor 5 connects ultrasonic transmission/reception one transducer 1 by emission driving circuit 2, and this ultrasonic transmission/reception one transducer 1 connects microprocessor 5 by receiving amplifying circuit 3.Telecommunication circuit 4 is connected with microprocessor 5.Microprocessor 5 also connects external LED interface circuit 7 and built-in LED display circuit 8 respectively.Power circuit 6 external 12V direct supplys provide electric power supply to emission driving circuit 2, reception amplifying circuit 3, telecommunication circuit 4, microprocessor 5, external LED interface circuit 7 and built-in LED display circuit 8 respectively.
In this ultrasound wave parking stall measure device, microprocessor 5 can adopt 8 high-performance single chip computer AT mega 168.There are enough ROM and ram space in this single-chip microcomputer inside, also has E
2PROM is to provide the power down storage capacity.Certainly, the single-chip microcomputer of microprocessor 5 other models of employing also is feasible as 80C196 series.This replacement is the routine techniques that persons skilled in the art can both be grasped, and has not just given unnecessary details in detail at this.The voltage amplifier circuit is made up of I.F.T. of emission driving circuit 2, the pulse that is used for size with microprocessor 5 generations and is 5V, frequency and be 40KHz is amplified to 100V, is added to then on the ultrasonic transmission/reception one transducer 1.Receive amplifying circuit 3 and adopt three grades of bandpass filtering amplifying circuits, its enlargement factor does not need to regulate again.Telecommunication circuit 4 adopts the RS-485 bus to be connected with gateway or host computer, and adopts low power dissipation design, and each gateway can connect 238 ultrasound wave parking stall measure devices.External LED interface circuit 7 is added by the TWI universal serial bus of microprocessor 5 inside and draws resistance to form that built-in LED interface circuit then utilizes the direct driving LED of I/O mouth of microprocessor 5.
This ultrasound wave parking stall measure device is when encapsulation, and each above-mentioned functional circuit all has been integrated on the circuit board.This circuit board is encapsulated among the square casing, is ultrasonic probe at the front end of this square casing.As shown in Figure 2, be fixed with a plastic body that plays poly-sound amplification on this ultrasonic probe top.The bottom of this plastic body is a right cylinder, and top is cone, is provided with at the top of cone to be the cone shape groove that stands upside down.
Shown in Fig. 3 (a), existing ultrasound wave parking stall measure device is because hyperacoustic emission angle and receiving angle are too big, have the phase mutual interference between the neighboring devices, promptly the ultrasound wave of a ultrasound wave parking stall measure device transmission often can receive by quilt other ultrasound wave parking stall measure device adjacent with it.And this ultrasound wave parking stall measure device utilizes the plastic body that plays poly-sound amplification shown in Figure 2, the ultrasonic emitting angle of ultrasonic probe can be controlled in 45 degree.Shown in Fig. 3 (b), can effectively improve the directivity and the intensity of ultrasonic emitting like this.In addition, this plastic body can also play the effect that poly-sound amplifies when receiving ultrasound wave, further improve the directivity that receives and (receive only the reflection wave of certain angle under the parking stall measure device, do not send the waveform that reflects and receive the adjacent vehicle level detecting apparatus), effectively prevented crosstalking of adjacent parking stall, this ultrasound wave parking stall measure Device Testing distance is improved greatly.
Another technical characterstic of this ultrasound wave parking stall measure device is to integrate parking stall detecting function and parking stall deixis, not only can be used for surveying and indicating the situation that takies of parking position, also can be placed on track, parking lot top and be used for the vehicle of process is counted and indicated.This ultrasound wave parking stall measure device can be provided with the LED parking stall pilot lamp of two kinds of colors, is controlled by external LED interface circuit 7 and built-in LED display circuit 8 respectively.Be used to refer under the pattern of parking stall to have stopped in the parking stall or idle, under the pattern of track, be used to refer to and have or not the vehicle process.As shown in Figure 4, under the situation of visual inspection less than LED parking stall pilot lamp, can LED parking stall pilot lamp is external, be placed on the place that makes things convenient for the user to observe.In this case, 9 behaviours in service that detect the parking stall of ultrasound wave parking stall measure device, itself do not utilize built-in LED parking stall pilot lamp to carry out the parking stall indication, but directly control flickering of external LED parking stall pilot lamp 11 by two-wire serial bus (TWI) 10.This LED parking stall pilot lamp adopts highlighted LED light emitting diode, compares power consumption with traditional parking stall pilot lamp and reduces greatly.
As shown in Figure 5, this ultrasound wave parking stall measure device is vertically mounted on the ceiling directly over the parking stall or on the ceiling directly over the track.When carrying out vehicle detection, at first send out the pwm pulse of 20 40KHz by microprocessor 5, be added on the ultrasonic transmission/reception one transducer 1 through emission driving circuit 2.Ultrasonic transmission/reception one transducer 1 sends ultrasonic pulse to the parking stall, behind the time-delay certain hour, begin to receive reflection wave, reflection wave zooms into the level signal that microprocessor 5 can be discerned through receiving amplifying circuit 3, microprocessor 5 draws the parking stall by the mistiming of calculating transmission and receive and whether has parked vehicle, and carries out the parking stall indication by external LED interface circuit 7 or built-in LED display circuit 8.At last, microprocessor 5 uploads to gateway or host computer by telecommunication circuit 4 with parking space information.
The utility model has two kinds of mode of operations: parking stall pattern and track pattern.In the pattern of parking stall, a plurality of ultrasound wave parking stall measure devices vertically are installed on the ceiling directly over the parking stall, are used to refer to the parking stall and have or not and park cars.Having under the situation of gateway control, gateway is ordered the ultrasound wave parking stall measure device work of odd address and even address respectively by serial communication.Gateway earlier the order odd address ultrasound wave parking stall measure measurement device once, the ultrasound wave parking stall measure measurement device that gateway is ordered even address again after half second once, the ultrasound wave parking stall measure measurement device of then ordering odd address after half second again is once.Do not stop circulation like this, make all ultrasound wave parking stall measure devices all realize each second measurement once.When not having gateway access or gateway fails, ultrasound wave parking stall measure device is not also received gateway signal after waiting for the schedule time, just begin independently to carry out parking stall measure and indication work.Wherein the ultrasound wave parking stall measure device of odd address was measured once every 1.05 seconds, and the ultrasound wave parking stall measure device of even address was measured once every 0.95 second, can prevent crosstalking of adjacent parking stall like this.In the pattern of track, ultrasound wave parking stall measure device vertically is installed on the ceiling directly over the track, is used for calculating and indicating the vehicle fleet size of process.Every through car ultrasound wave parking stall measure device counting once, be uploaded to gateway by the RS-485 bus then.
Above this ultrasound wave parking stall measure device is had been described in detail.For one of ordinary skill in the art, any conspicuous change of under the prerequisite that does not deviate from the utility model connotation it being done all will constitute to the utility model infringement of patent right, with corresponding legal responsibilities.
Claims (4)
1. ultrasound wave parking stall measure device is characterized in that:
Described ultrasound wave parking stall measure device comprises ultrasonic transmission/reception one transducer, emission driving circuit, receives amplifying circuit, microprocessor, external LED interface circuit and built-in LED display circuit; Wherein,
Described microprocessor connects described ultrasonic transmission/reception one transducer by described emission driving circuit, this ultrasonic transmission/reception one transducer connects described microprocessor by described reception amplifying circuit, and described microprocessor connects described external LED interface circuit and described built-in LED display circuit respectively.
2. ultrasound wave parking stall measure device as claimed in claim 1 is characterized in that:
Described ultrasound wave parking stall measure device also has telecommunication circuit, and described telecommunication circuit is connected with described microprocessor.
3. ultrasound wave parking stall measure device as claimed in claim 2 is characterized in that:
Described ultrasound wave parking stall measure device also has power circuit, and described power circuit provides electric power supply to described emission driving circuit, described reception amplifying circuit, described telecommunication circuit, described microprocessor, described external LED interface circuit and described built-in LED display circuit respectively.
4. ultrasound wave parking stall measure device as claimed in claim 1 is characterized in that:
The ultrasonic probe top of described ultrasound wave parking stall measure device is fixed with a plastic body that plays poly-sound amplification; The bottom of described plastic body is a right cylinder, and top is cone, is provided with at the top of described cone to be the cone shape groove that stands upside down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202226685U CN201590167U (en) | 2009-09-16 | 2009-09-16 | Ultrasonic parking lot detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202226685U CN201590167U (en) | 2009-09-16 | 2009-09-16 | Ultrasonic parking lot detection device |
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| CN201590167U true CN201590167U (en) | 2010-09-22 |
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| CN2009202226685U Expired - Fee Related CN201590167U (en) | 2009-09-16 | 2009-09-16 | Ultrasonic parking lot detection device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024342A (en) * | 2010-12-08 | 2011-04-20 | 东莞市华业新科电子科技有限公司 | Intelligent stop sign |
| CN102496306A (en) * | 2011-12-16 | 2012-06-13 | 广东朗视光电技术有限公司 | Infrared parking place detecting system |
| CN102496305A (en) * | 2011-12-16 | 2012-06-13 | 广东朗视光电技术有限公司 | Ultrasonic parking place detecting system |
| CN102930742A (en) * | 2012-11-01 | 2013-02-13 | 江苏大为科技股份有限公司 | Circuit structure of ultrasonic parking place detector |
| CN107239041A (en) * | 2017-05-31 | 2017-10-10 | 华南理工大学 | It is a kind of to judge device and its application method that whether people is located on bed |
| CN109310049A (en) * | 2016-08-31 | 2019-02-05 | 苏州宝时得电动工具有限公司 | Intelligent grass-removing, from mobile device and its method of cognitive disorders object |
| CN109426266A (en) * | 2017-08-30 | 2019-03-05 | 苏州宝时得电动工具有限公司 | From mobile device |
| CN111489581A (en) * | 2020-03-13 | 2020-08-04 | 中建钢构置业(深圳)有限公司 | Intelligent garage system |
| CN111827755A (en) * | 2019-04-19 | 2020-10-27 | 北京优位智停科技有限公司 | Method for installing intelligent equipment of parking place |
-
2009
- 2009-09-16 CN CN2009202226685U patent/CN201590167U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024342A (en) * | 2010-12-08 | 2011-04-20 | 东莞市华业新科电子科技有限公司 | Intelligent stop sign |
| CN102496306A (en) * | 2011-12-16 | 2012-06-13 | 广东朗视光电技术有限公司 | Infrared parking place detecting system |
| CN102496305A (en) * | 2011-12-16 | 2012-06-13 | 广东朗视光电技术有限公司 | Ultrasonic parking place detecting system |
| CN102930742A (en) * | 2012-11-01 | 2013-02-13 | 江苏大为科技股份有限公司 | Circuit structure of ultrasonic parking place detector |
| CN102930742B (en) * | 2012-11-01 | 2014-08-20 | 江苏大为科技股份有限公司 | Circuit structure of ultrasonic parking place detector |
| CN109310049A (en) * | 2016-08-31 | 2019-02-05 | 苏州宝时得电动工具有限公司 | Intelligent grass-removing, from mobile device and its method of cognitive disorders object |
| CN107239041A (en) * | 2017-05-31 | 2017-10-10 | 华南理工大学 | It is a kind of to judge device and its application method that whether people is located on bed |
| CN109426266A (en) * | 2017-08-30 | 2019-03-05 | 苏州宝时得电动工具有限公司 | From mobile device |
| CN111827755A (en) * | 2019-04-19 | 2020-10-27 | 北京优位智停科技有限公司 | Method for installing intelligent equipment of parking place |
| CN111489581A (en) * | 2020-03-13 | 2020-08-04 | 中建钢构置业(深圳)有限公司 | Intelligent garage system |
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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: 20100922 Termination date: 20150916 |
|
| EXPY | Termination of patent right or utility model |