CN103903476A - Active magnetic field parking space detecting device - Google Patents
Active magnetic field parking space detecting device Download PDFInfo
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- CN103903476A CN103903476A CN201410145251.9A CN201410145251A CN103903476A CN 103903476 A CN103903476 A CN 103903476A CN 201410145251 A CN201410145251 A CN 201410145251A CN 103903476 A CN103903476 A CN 103903476A
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Abstract
The invention belongs to the technical field of parking space detecting devices, and particularly relates to an active magnetic field parking space detecting device. The technical problems that energy consumption is high so that long-term operation cannot be achieved in the occasion where batteries are used for supplying power in an active parking space detecting technology, and detection precision is low in a passive parking space detecting technology in the prior art are mainly solved. According to the technical scheme, the active magnetic field parking space detecting device comprises an active magnetic field generation module, a sensor module and a magnetic circuit module; the active magnetic field generation module is connected with the magnetic circuit module, and the sensor module is arranged on the magnetic circuit module. The active magnetic field parking space detecting device has the advantages of being high in detection precision, high in environmental adaptability and low in energy consumption.
Description
Technical field
The invention belongs to parking space-detecting device technical field, be specifically related to a kind of initiatively magnetic field parking space-detecting device.
Background technology
Along with the continuous growth of city vehicle quantity, the also corresponding increase of the demand of the parking position of main business district, city and residential block, the while has also been strengthened the management difficulty of large parking lot.In prior art, mainly adopt active detection and passive type to detect two large classes to the real-time detection technique on parking stall, wherein the existence of active parking stall detection technique because of energy consumption is high cannot be in the technical matters that makes battery-powered occasion long-term work; There is the technical matters that accuracy of detection is low in passive type parking stall detection technique.
Summary of the invention
The object of the invention is to solve detection technique existence in active parking stall in prior art and cannot make battery-powered occasion long-term work and passive type parking stall detection technique have the technical matters that accuracy of detection is low because energy consumption is high, a kind of initiatively magnetic field parking space-detecting device is provided.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of initiatively magnetic field parking space-detecting device, comprises initiatively magnetic field generating module and sensor assembly, and wherein: it also comprises magnetic circuit module, described active magnetic field generating module is connected with magnetic circuit module, and sensor assembly is located in magnetic circuit module.
Described magnetic circuit module is made up of magnetic conductive board a, magnetic conductive board b and elongated magnetic conductive pole; The right-hand member of elongated magnetic conductive pole is connected with the left end of active magnetic field generating module, initiatively the right-hand member of magnetic field generating module is connected with the lower surface of magnetic conductive board b, the lower surface of described magnetic conductive board a contacts with the upper surface of sensor assembly and sensor assembly is covered, and the upper surface of elongated magnetic conductive pole left end contacts with the lower surface of sensor assembly and sensor assembly is covered.
Described magnetic circuit module also comprises short magnetic conductive pole, the right-hand member of the left end of short magnetic conductive pole and magnetic field generating module initiatively be connected, the right-hand member of short magnetic conductive pole is connected with the lower surface of magnetic conductive board b.
Described active magnetic field generating module is a permanent magnet, multiple permanent magnet with the be linked in sequence set of permanent magnets that forms or by least two permanent magnets be located at any one in the set of permanent magnets that the magnetic conductor between each permanent magnet forms of N-S.
Described sensor assembly adopts static magnetic field sensor.
Described magnetic conductive board a, elongated magnetic conductive pole and magnetic conductive board b are greater than 100 permeability magnetic material by magnetic permeability and make, and the Area Ratio of magnetic conductive board a and magnetic conductive board b is 0.2～5:1.
Described short magnetic conductive pole is greater than 100 permeability magnetic material by magnetic permeability and makes.
Described static magnetic field sensor is any one in magneto-dependent sensor, magnetoresistive transducer or anisotropy sensor.
The present invention adopts the initiatively magnetic field of active magnetic field generating module foundation of stablizing and not being subject to earth magnetic effect, by design magnetic circuit, the existence of vehicle on parking stall is changed by the closed path of the magnetic line of force of sensor, select static magnetic field sensor to detect by its magnetic flux, take the size of the magnetic induction density value exported as according to accurately judging whether stop to have vehicle on parking stall; And the active magnetic field using does not produce energy consumption.Therefore, the present invention has advantages of that accuracy of detection is high, environmental suitability is strong, energy consumption is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of the present invention;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the structural representation of the second embodiment of the present invention;
Fig. 4 is the upward view of Fig. 3.
Embodiment
Embodiment 1
As depicted in figs. 1 and 2, a kind of initiatively magnetic field parking space-detecting device in the present embodiment, comprise by multiple permanent magnets with N-S the be linked in sequence set of permanent magnets 4 and the magneto-dependent sensor 3 that form, wherein: it also comprises by magnetic conductive board a6, the magnetic circuit module that magnetic conductive board b1 and elongated magnetic conductive pole 2 form, the right-hand member of elongated magnetic conductive pole 2 is connected with the left end of set of permanent magnets 4, the right-hand member of set of permanent magnets 4 is connected with the middle part of magnetic conductive board b1 lower surface, the lower surface on right side, described magnetic conductive board a6 middle part contacts with the upper surface of magneto-dependent sensor 3 and magneto-dependent sensor 3 is covered, the upper surface of elongated magnetic conductive pole 2 left ends contacts with the lower surface of magneto-dependent sensor 3 and magneto-dependent sensor 3 is covered.
Described magnetic conductive board a6, elongated magnetic conductive pole 2 and magnetic conductive board b1 are greater than 100 permeability magnetic material by magnetic permeability and make, and the Area Ratio of magnetic conductive board a6 and magnetic conductive board b1 is 0.2:1.
As shown in Figure 3 and Figure 4, a kind of initiatively magnetic field parking space-detecting device in the present embodiment, comprise a permanent magnet 4 and magnetoresistive transducer 3, wherein: it also comprises by magnetic conductive board a6, magnetic conductive board b1, the magnetic circuit module that elongated magnetic conductive pole 2 and short magnetic conductive pole 5 form, the right-hand member of elongated magnetic conductive pole 2 is connected with the left end of permanent magnet 4, the right-hand member of permanent magnet 4 is connected with the left end of short magnetic conductive pole 5, the right-hand member of short magnetic conductive pole 5 is connected with the middle part of magnetic conductive board b1 lower surface, the lower surface on right side, described magnetic conductive board a6 middle part contacts with the upper surface of magnetoresistive transducer 3 and magnetoresistive transducer 3 is covered, the upper surface of elongated magnetic conductive pole 2 left ends contacts with the lower surface of magnetoresistive transducer 3 and magnetoresistive transducer 3 is covered.
Described magnetic conductive board a6, elongated magnetic conductive pole 2, magnetic conductive board b1 and short magnetic conductive pole 5 are greater than 100 permeability magnetic material by magnetic permeability to be made, and the Area Ratio of magnetic conductive board a6 and magnetic conductive board b1 is 5:1.
Set of permanent magnets in above-described embodiment and permanent magnet can also and be located at by least two permanent magnets the set of permanent magnets that the magnetic conductor between each permanent magnet forms and replace.
Magneto-dependent sensor in above-described embodiment and magnetoresistive transducer can also replace with anisotropy sensor, magneto-dependent sensor, magnetoresistive transducer and anisotropy sensor all belong to the sensor that detects non-alternation static magnetic field strength, and the static magnetic field sensor of other form also can replace magneto-dependent sensor and the magnetoresistive transducer in above-described embodiment.
Magnetic conductive board a6 in above-described embodiment can make different shapes from magnetic conductive board b1, the Area Ratio of magnetic conductive board a6 and magnetic conductive board b1 can also be in 0.2～5:1 value arbitrarily.
Sensor assembly in above-described embodiment can be located at the optional position of magnetic conductive board a6 lower surface; The right-hand member of set of permanent magnets 4 can be located at the optional position of magnetic conductive board b1 lower surface or the right-hand member of short magnetic conductive pole 5 and can be located at the optional position of magnetic conductive board b1 lower surface.
The course of work of the present invention is: the magnetic induction density value that when pre-recorded parking stall has or not vehicle, static magnetic field sensor detects, calculating has or not the average of the magnetic induction density value of exporting under vehicle two states, set it as detection threshold, in the time that the magnetic induction density value of detection output in static magnetic field sensor is greater than detection threshold, there is car on parking stall, in the time that the magnetic induction density value of detection output in static magnetic field sensor is less than detection threshold, parking stall is without car.
Protection scope of the present invention is not subject to the restriction of above embodiment.
Claims (8)
1. an active magnetic field parking space-detecting device, comprises initiatively magnetic field generating module and sensor assembly, it is characterized in that: it also comprises magnetic circuit module, and described active magnetic field generating module is connected with magnetic circuit module, and sensor assembly is located in magnetic circuit module.
2. a kind of initiatively magnetic field parking space-detecting device according to claim 1, is characterized in that: described magnetic circuit module is by magnetic conductive board a(6), magnetic conductive board b(1) and elongated magnetic conductive pole (2) form; The right-hand member of elongated magnetic conductive pole (2) is connected with the left end of active magnetic field generating module, the initiatively right-hand member and magnetic conductive board b(1 of magnetic field generating module) lower surface be connected, described magnetic conductive board a(6) lower surface contact with the upper surface of sensor assembly and by sensor assembly cover, the upper surface of elongated magnetic conductive pole (2) left end contacts with the lower surface of sensor assembly and sensor assembly is covered.
3. a kind of initiatively magnetic field parking space-detecting device according to claim 2, it is characterized in that: described magnetic circuit module also comprises short magnetic conductive pole (5), the left end of short magnetic conductive pole (5) is connected with the right-hand member of magnetic field generating module initiatively, the right-hand member of short magnetic conductive pole (5) and magnetic conductive board b(1) lower surface be connected.
4. according to a kind of initiatively magnetic field parking space-detecting device described in claim 1,2 or 3, it is characterized in that: described active magnetic field generating module is a permanent magnet, multiple permanent magnet with the be linked in sequence set of permanent magnets that forms or by least two permanent magnets be located at any one in the set of permanent magnets that the magnetic conductor between each permanent magnet forms of N-S.
5. a kind of initiatively magnetic field parking space-detecting device according to claim 1 and 2, is characterized in that: described sensor assembly is static magnetic field sensor (3).
6. a kind of initiatively magnetic field parking space-detecting device according to claim 2, it is characterized in that: described magnetic conductive board a(6), elongated magnetic conductive pole (2) and magnetic conductive board b(1) be greater than 100 permeability magnetic material by magnetic permeability and make, magnetic conductive board a(6) with magnetic conductive board b(1) Area Ratio be 0.2～5:1.
7. a kind of initiatively magnetic field parking space-detecting device according to claim 3, is characterized in that: described short magnetic conductive pole (5) is greater than 100 permeability magnetic material by magnetic permeability and makes.
8. a kind of initiatively magnetic field parking space-detecting device according to claim 3, is characterized in that: described static magnetic field sensor (3) is any one in magneto-dependent sensor, magnetoresistive transducer or anisotropy sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410145251.9A CN103903476B (en) | 2014-04-11 | 2014-04-11 | A kind of initiatively magnetic field parking space-detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410145251.9A CN103903476B (en) | 2014-04-11 | 2014-04-11 | A kind of initiatively magnetic field parking space-detecting device |
Publications (2)
| Publication Number | Publication Date |
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| CN103903476A true CN103903476A (en) | 2014-07-02 |
| CN103903476B CN103903476B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410145251.9A Expired - Fee Related CN103903476B (en) | 2014-04-11 | 2014-04-11 | A kind of initiatively magnetic field parking space-detecting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105528909A (en) * | 2016-01-12 | 2016-04-27 | 王洋 | Passive parking space detection device and method based on enhanced magnetic field |
| CN105575134A (en) * | 2016-02-15 | 2016-05-11 | 王洋 | Magnetic force-based passive type parking space detection device and method |
| CN112161560A (en) * | 2020-10-26 | 2021-01-01 | 长江水利委员会长江科学院 | Displacement sensing device and method based on permanent magnet flux measurement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008061099A2 (en) * | 2006-11-13 | 2008-05-22 | Noel Ii Phares A | Space monitoring detector |
| CN102169639A (en) * | 2011-01-21 | 2011-08-31 | 王岐顺 | Parking place vehicle sensing device for vehicle cinema |
| CN102522000A (en) * | 2011-12-16 | 2012-06-27 | 广东朗视光电技术有限公司 | Magnetostatic field fluxgate parking space detection system |
| CN202855073U (en) * | 2012-08-01 | 2013-04-03 | 佛山市艾科电子工程有限公司 | Magnetic induction vehicle detector based on spontaneous magnetic field |
| CN103236189A (en) * | 2013-04-26 | 2013-08-07 | 无锡国科微纳传感网科技有限公司 | Parking space detection method and system |
-
2014
- 2014-04-11 CN CN201410145251.9A patent/CN103903476B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008061099A2 (en) * | 2006-11-13 | 2008-05-22 | Noel Ii Phares A | Space monitoring detector |
| CN102169639A (en) * | 2011-01-21 | 2011-08-31 | 王岐顺 | Parking place vehicle sensing device for vehicle cinema |
| CN102522000A (en) * | 2011-12-16 | 2012-06-27 | 广东朗视光电技术有限公司 | Magnetostatic field fluxgate parking space detection system |
| CN202855073U (en) * | 2012-08-01 | 2013-04-03 | 佛山市艾科电子工程有限公司 | Magnetic induction vehicle detector based on spontaneous magnetic field |
| CN103236189A (en) * | 2013-04-26 | 2013-08-07 | 无锡国科微纳传感网科技有限公司 | Parking space detection method and system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105528909A (en) * | 2016-01-12 | 2016-04-27 | 王洋 | Passive parking space detection device and method based on enhanced magnetic field |
| CN105528909B (en) * | 2016-01-12 | 2019-01-18 | 王洋 | A kind of passive type parking space-detecting device and method based on enhanced magnetic field |
| CN105575134A (en) * | 2016-02-15 | 2016-05-11 | 王洋 | Magnetic force-based passive type parking space detection device and method |
| CN105575134B (en) * | 2016-02-15 | 2018-07-27 | 王洋 | A kind of passive type parking space-detecting device and method based on magnetic force |
| CN112161560A (en) * | 2020-10-26 | 2021-01-01 | 长江水利委员会长江科学院 | Displacement sensing device and method based on permanent magnet flux measurement |
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| CN103903476B (en) | 2015-09-30 |
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Inventor after: An Yongquan Inventor after: Yu Jian Inventor after: Qiao Chao Inventor after: Wang Dan Inventor before: Yu Jian Inventor before: An Yongquan Inventor before: Qiao Chao Inventor before: Gao Xiaoqin |
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