CN202404764U - Ultrasonic parking stall detection device - Google Patents
Ultrasonic parking stall detection device Download PDFInfo
- Publication number
- CN202404764U CN202404764U CN2011204695302U CN201120469530U CN202404764U CN 202404764 U CN202404764 U CN 202404764U CN 2011204695302 U CN2011204695302 U CN 2011204695302U CN 201120469530 U CN201120469530 U CN 201120469530U CN 202404764 U CN202404764 U CN 202404764U
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- parking stall
- circuit
- ultrasound wave
- sniffer
- detection circuit
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Abstract
The utility model discloses a ultrasonic parking stall detection device, comprising: a housing arranged over a detected parking stall; and a detection circuit used for emitting a ultrasonic wave and detecting the reflected ultrasonic wave, calculating a distance between an obstruction and the parking stall detection device according to a time difference, and determining whether the parking stall is occupied according to distance changes, wherein the detection circuit is built in the housing. The ultrasonic parking stall detection device of the utility model can effectively detect whether the parking stall is occupied, and the detection process is not easy to be subject to external interference. In addition, the ultrasonic parking stall detection device has the advantages of accurate detection and simple structure, thus the ultrasonic parking stall detection device is suitable for performing parking stall detection in various environments.
Description
Technical field
The utility model relates to a kind of sniffer, especially relates to a kind of ultrasound wave parking stall sniffer.
Background technology
At present, along with the socioeconomic raising that develops rapidly with living standards of the people, the motor vehicles in the city rapidly increase, and the problem that solves parking difficulty has become modern city development important content.Mechanical stereo garage can increase the quantity on parking stall greatly under the condition of limited of place, have advantages such as easy to use, economic flexible simultaneously, is a very effective measure that solves a city parking difficult problem.
And for large parking lot, the driver can find idle parking stall fast for ease, reduces invalid going and congestion in road, and truck space guiding system is absolutely necessary.Truck space guiding system requires on each parking stall, to install the parking stall sniffer, for the general earth magnetism detection probe that is installed on ground, parking stall of using in common parking stall, judges through the magnetic flux that detects vehicle whether vehicle is arranged on the parking stall; Or carry out graphical analysis with being installed on the other camera in parking stall, whether identification has vehicle on the parking stall.
But, because detecting easily, disturbs in earth magnetism, cause and can't effectively survey; And Video Detection is because the steel frame construction of underground garage blocks, and camera does not have the installation site, can't photograph the image of vehicle.
The utility model content
The purpose of the utility model is to propose a kind of ultrasound wave parking stall sniffer, and effectively the unloading lot detection situation realizes the seamless covering of parking stall guiding.
The utility model adopts following technical scheme to realize: a kind of ultrasound wave parking stall sniffer is characterized in that said parking stall sniffer comprises: the housing that is arranged on the unloading lot detection top; Be used to launch the ultrasound wave that ultrasound wave and detection of reflected are returned, calculate the distance of shelter and said parking stall sniffer according to the mistiming, and judge whether occupied detection circuit of parking stall according to variable in distance, this detection circuit is built in housing.
Wherein, said housing comprises: the terminal box with connection terminal of some external connections; Be screwed on the base on the terminal box, and detection circuit is fixed on this base; Be fixed on the middle cover on the detection circuit; The protecgulum that screws togather with terminal box.
Wherein, the middle part of middle cover has mesopore, and the ultrasonic sensor on the detection circuit is arranged among this mesopore.
Wherein, the middle part of protecgulum is installed one and is used for ultrasound wave is assembled the reflector with enhancing reflection ultrasonic signal intensity, and the end of the ultrasonic sensor on the detection circuit is positioned at the middle part of this reflector.
Wherein, said parking stall sniffer also comprises: be arranged between detection circuit and the protecgulum several and be used for the light that detection circuit sends is transmitted to the leaded light post on sniffer surface, said parking stall.
Wherein, cover in a plurality of through holes that provide the leaded light post to run through are set.
Wherein, a plurality of light holes are set on the protecgulum, a wherein end of each leaded light post is arranged in the light hole.
Wherein, said detection circuit comprises: the bus current rectifying and wave filtering circuit; Be connected the power-switching circuit and the bus code decoding circuit of bus current rectifying and wave filtering circuit; Be used to the ultrasonic emitting receiving circuit launching ultrasound wave and detect ultrasonic echo; The signal that is connected ultrasonic emitting receiving circuit output terminal amplifies sample circuit; Connect the controller that ultrasonic emitting receiving circuit, bus code decoding circuit, power-switching circuit and signal amplify sample circuit.
Compared with prior art, the utlity model has following beneficial effect:
Whether the utility model can effectively detect the parking stall occupied, and detection process is not vulnerable to external interference, has the detection characteristic of accurate.In addition, the utility model is simple in structure, surveys applicable to carrying out the parking stall under the various environment.
Description of drawings
Fig. 1 is the decomposition texture synoptic diagram of the utility model;
Fig. 2 is the perspective view of Fig. 1;
Fig. 3 is the synoptic diagram of detection circuit among Fig. 1.
Embodiment
The utility model proposes a kind of based on hyperacoustic parking stall sniffer, hangs on the unloading lot detection top, and it comprises housing and the detection circuit that places in the housing.The ultrasound wave (or ultrasonic echo) of being returned by detection circuit emission ultrasound wave and detection of reflected calculates the distance of shelter and parking stall sniffer according to the mistiming, and judges according to variable in distance whether the parking stall is occupied.
In conjunction with illustrated in figures 1 and 2; The parking stall sniffer that the utility model proposes comprises: can mate the terminal box 1 of installing with building embedded box commonly used; Adopt screw with terminal box 1 fixedly on embedded box or other fixed objects; Thereby the parking stall detector of the utility model is fixed, and terminal box 1 has the connection terminal that is used for external connection; Be screwed on the base 2 on the terminal box 1; Be fixed on the detection circuit 3 on the base 2, have the ultrasonic sensor 31 of an evagination on it, detect by 31 pairs of ultrasound waves that reflect of ultrasonic sensor; Be used to protect the middle cover 4 of detection circuit 3, the center has the mesopore 41 that supplies ultrasonic sensor 31 to expose, and a plurality of through holes 42 are set on the middle cover 4; A plurality of light that detection circuit 3 is sent are transmitted to the leaded light post 5 on sniffer surface, parking stall; The protecgulum 6 that screws togather with terminal box 1; The middle part of protecgulum 6 is installed one and is used for ultrasound wave is assembled to strengthen the reflector 61 of reflection ultrasonic signal intensity; The end of ultrasonic sensor 31 is positioned at the middle part of this reflector 61, and a plurality of light holes 62 are set on the protecgulum 6; Wherein, a terminal through hole 42 that passes through on the middle cover 4 of each leaded light post 5 connects detection circuits 3, and another end of each leaded light post 5 is arranged in the light hole 62 of protecgulum 6.
The parking stall sniffer hangs on unloading lot detection top, sends out the ultrasound wave of a fixed frequency section by detection circuit 3, and detection circuit 3 receives these hyperacoustic reflection waves then, calculates the distance of shelter and parking stall sniffer according to the mistiming.If both change at distance, then the situation that takies of parking stall changes, and whether detect the parking stall thus occupied.
In conjunction with shown in Figure 3, detection circuit 3 comprises: bus current rectifying and wave filtering circuit, bus code decoding circuit, power-switching circuit, ultrasonic emitting receiving circuit, signal amplify sample circuit and controller.Wherein, the bus current rectifying and wave filtering circuit connects the external bus network, at first utilizes rectifier bridge that bus signals is become dc pulse signal, then dc pulse signal is carried out filtering and sends bus code decoding circuit and power-switching circuit to.After power-switching circuit receives dc pulse signal, be 5 volts of stable DC voltages, supply with the use of controller (such as single-chip microcomputer) and other circuit level transitions.
The bus code decoding circuit is connected with bus current rectifying and wave filtering circuit and controller, and the dc pulse signal of bus current rectifying and wave filtering circuit is carried out level conversion and decoding, changes the level signal that controller can be discerned into.The recall signal of also controller being sent is simultaneously encoded and level conversion is that dc pulse signal sends on the bus network.
The ultrasonic emitting receiving circuit includes ultrasonic sensor 31, can be controlled by controller, initiatively sends ultrasound wave and the ultrasound wave that reflects is detected, and convert the ultrasonic signal that receives into level signal.
Signal amplifies sample circuit and amplifies, adopts two-stage calculation amplifier to amplify, adopt frequency selection circuit that noise signal is carried out filtering the level signal that the ultrasonic emitting receiving circuit receives, and at last signal is passed to controller.
Controller at first starts the ultrasonic emitting receiving circuit, and the signal to the transmission of signal amplification circuit carries out analyzing and processing then, carries out computing according to internal processes and judges whether the parking stall is occupied.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. a ultrasound wave parking stall sniffer is characterized in that, said parking stall sniffer comprises: the housing that is arranged on the unloading lot detection top; Be used to launch the ultrasound wave that ultrasound wave and detection of reflected are returned, calculate the distance of shelter and said parking stall sniffer according to the mistiming, and judge whether occupied detection circuit of parking stall according to variable in distance, this detection circuit is built in housing.
2. according to the said ultrasound wave of claim 1 parking stall sniffer, it is characterized in that said housing comprises: terminal box with connection terminal of some external connections; Be screwed on the base on the terminal box, and detection circuit is fixed on this base; Be fixed on the middle cover on the detection circuit; The protecgulum that screws togather with terminal box.
3. according to the said ultrasound wave of claim 2 parking stall sniffer, it is characterized in that the middle part of middle cover has mesopore, the ultrasonic sensor on the detection circuit is arranged among this mesopore.
4. according to the said ultrasound wave of claim 2 parking stall sniffer; It is characterized in that; The middle part of protecgulum is installed one and is used for ultrasound wave is assembled the reflector with enhancing reflection ultrasonic signal intensity, and the end of the ultrasonic sensor on the detection circuit is positioned at the middle part of this reflector.
5. according to the said ultrasound wave of claim 2 parking stall sniffer; It is characterized in that said parking stall sniffer also comprises: be arranged on the leaded light post that between detection circuit and the protecgulum several are used for the light that detection circuit sends is transmitted to sniffer surface, said parking stall.
6. according to the said ultrasound wave of claim 5 parking stall sniffer, it is characterized in that, in cover a plurality of through holes that provide the leaded light post to run through be set.
7. according to the said ultrasound wave of claim 5 parking stall sniffer, it is characterized in that a plurality of light holes are set on the protecgulum, and a wherein end of each leaded light post is arranged in the light hole.
8. according to any one said ultrasound wave parking stall sniffer of claim 1-7, it is characterized in that said detection circuit comprises: the bus current rectifying and wave filtering circuit; Be connected the power-switching circuit and the bus code decoding circuit of bus current rectifying and wave filtering circuit; Be used to the ultrasonic emitting receiving circuit launching ultrasound wave and detect ultrasonic echo; The signal that is connected ultrasonic emitting receiving circuit output terminal amplifies sample circuit; Connect the controller that ultrasonic emitting receiving circuit, bus code decoding circuit, power-switching circuit and signal amplify sample circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204695302U CN202404764U (en) | 2011-11-23 | 2011-11-23 | Ultrasonic parking stall detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204695302U CN202404764U (en) | 2011-11-23 | 2011-11-23 | Ultrasonic parking stall detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202404764U true CN202404764U (en) | 2012-08-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204695302U Expired - Lifetime CN202404764U (en) | 2011-11-23 | 2011-11-23 | Ultrasonic parking stall detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202404764U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241239A (en) * | 2013-04-27 | 2013-08-14 | 重庆邮电大学 | Parking space identifying method for automatic parking system |
| CN107331197A (en) * | 2017-07-24 | 2017-11-07 | 同济大学 | A kind of parking systems stall testing apparatus, system and method |
| CN108548579A (en) * | 2018-04-12 | 2018-09-18 | 上海宝冶建设工业炉工程技术有限公司 | The antiwind method of probe of ultrasonic flowmeter terminal box |
| CN108921955A (en) * | 2018-06-28 | 2018-11-30 | 西安艾润物联网技术服务有限责任公司 | Parking process method, apparatus and computer readable storage medium |
-
2011
- 2011-11-23 CN CN2011204695302U patent/CN202404764U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241239A (en) * | 2013-04-27 | 2013-08-14 | 重庆邮电大学 | Parking space identifying method for automatic parking system |
| CN103241239B (en) * | 2013-04-27 | 2015-10-14 | 重庆邮电大学 | A kind of automated parking system parking stall recognition methods |
| CN107331197A (en) * | 2017-07-24 | 2017-11-07 | 同济大学 | A kind of parking systems stall testing apparatus, system and method |
| CN108548579A (en) * | 2018-04-12 | 2018-09-18 | 上海宝冶建设工业炉工程技术有限公司 | The antiwind method of probe of ultrasonic flowmeter terminal box |
| CN108921955A (en) * | 2018-06-28 | 2018-11-30 | 西安艾润物联网技术服务有限责任公司 | Parking process method, apparatus and computer readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160523 Address after: 518000 Guangdong city of Shenzhen province Gongming Guangming New District Office of the village Feng Xin Lu Xinjian Xing Technology Industrial Park A1 Building 5 floor Patentee after: TANDA Technology Co., Ltd. Address before: 523000 productivity building, Songshan hi tech Industrial Development Zone, Dongguan, Guangdong Province, 311, 313 and 315 Patentee before: Guangdong Bright Vision Optoelectronic Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120829 |