CN106023496A - Rotation position alarm device - Google Patents
Rotation position alarm device Download PDFInfo
- Publication number
- CN106023496A CN106023496A CN201610618140.4A CN201610618140A CN106023496A CN 106023496 A CN106023496 A CN 106023496A CN 201610618140 A CN201610618140 A CN 201610618140A CN 106023496 A CN106023496 A CN 106023496A
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- sensor
- rotation
- wheel
- alarm device
- magnet
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
- G08B13/122—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The invention relates to a rotation position alarm device. The rotation position alarm device comprises a sensor, a pull line, a shell and a rotation wheel arranged in the center of the shell. The side wall of the rotation wheel is provided with a groove for winding the pull line. The pull line is led out from the rotation wheel and wound around the rotation wheel by at least one round and then penetrates out from the two sides of the shell. The sensor is arranged above the rotation wheel space and is not in direct contact with the rotation wheel. Specifically, when the pull line is subjected to outside pull force, the rotation wheel is driven to rotate and move, the sensor detects the angle change signal of the rotation wheel and converts the angle change signal into an electric signal to be output, and an alarm prompt is sent out. The sensor in the rotation position alarm device has no contact point and is long in service life; by means of non-contact detection, damages to the sensor and an object to be detected are avoided, stable detection can be carried out even under a harsh environment where water or oil splashing exists, the reaction speed is high, and installation is flexible.
Description
Technical field
The present invention relates to electronic technology field, be specifically related to a kind of position of rotation alarm device applied in tension fence warning system.
Background technology
Tension fence alarm device is provided with sensor, and when invader pulls the wire connected on fence, described sensor exports a signal of telecommunication to control centre, and described control centre reports to the police after receiving output signal immediately.In prior art, the sensor of described tension fence alarm device, all use resistance-strain chip pressure transducer.Being invaded when keeping the scene intact, when i.e. invader produces pulling force on fence, this pulling force is conducted to tension fence alarm device by steel wire rope.When having dynamics to change on the sensor senses steel wire rope of tension fence alarm device, resistance-strain chip pressure transducer works.The resistance of described resistance strain-gauge transducer has the strain effect of metal, produces mechanical deformation the most under external force, so that resistance value occurs to change accordingly therewith.The change transitions of resistance value is the change of voltage by small signal amplifier, and filters the noise jamming in some environment, and the voltage signal produced by pulling force pays CPU process.CPU will according to environmental factors, and after the change of power comprehensively, be carried out determining whether invasion.
But, the resistance-strain chip pressure transducer that existing tension fence alarm device uses has the disadvantage in that
1, being directly connected with tension steel wire rope due to resistance-strain chip pressure transducer, if therefore there is sleety weather, then aqueous vapor and rainwater are easy to enter sensor internal by bindiny mechanism, cause sensor degradation and inefficacy.If there is thunderbolt event, thunder-strike current is easily directly conducted to sensor by steel wire rope, and this thunder-strike current, through signal amplification component, will result in it and lost efficacy, produce fault.
2, resistance-strain chip pressure transducer is a kind of sensor being attached in certain metal structure, and metal structure itself can produce counteracting force, offsets the active force in regulation range.If there is invader, apart from this sensing station farthest, pull steel wire rope, due to the frictional force on steel wire and the deformation of steel wire, make the active force being ultimately conducted on sensor, it is not enough to produce deformation at resistance-strain chip pressure transducer, then without the change of the signal of telecommunication, is allowed to produce and does not report to the police.
3, the small-range sensor that resistance-strain chip pressure transducer is typically between 10-200KG, if create the active force that has exceeded the maximum range that resistance-strain chip pressure transducer specifies on steel wire rope, metal structure on resistance-strain chip pressure transducer will produce permanent deformation, once produce permanent deformation, sensor i.e. cannot accurately measure the power on steel wire rope, then will produce false alarm phenomenon.
4, limit due to technological level, resistance-strain chip pressure transducer weak output signals, be easily disturbed.Separately, owing to resistance-strain chip pressure transducer is applied to outdoor environment more, can be effected by environmental factors, cause its output signal to produce certain error, cause wrong report.
To sum up, existing tension fence alarm device, owing to resistance-strain chip pressure transducer exists, water proofing property is poor, certainty of measurement is low, the life-span is short, easily by problems such as external environmental interference.
Summary of the invention
Shortcoming for above-mentioned prior art, it is an object of the invention to provide a kind of good waterproof performance, certainty of measurement is high, the life-span is long, and the non-contact rotary position alarm device that ability easy for installation, anti-tampering is strong, solve that the water proofing property that existing resistance-strain chip pressure transducer exists is poor, certainty of measurement is low, the life-span is short, easy by problems such as external environmental interference.
To achieve these goals, the present invention provides a kind of position of rotation alarm device, including: sensor, line of pull, housing and be placed in casing center rotation wheel, rotate wheel sidewall and be provided with the groove being wound around for line of pull, described line of pull is drawn from rotating wheel, from housing both sides passes after winding at least one circle on described rotation wheel；Described sensor is placed in rotation wheel space above, and it is not directly contacted with rotating wheel；Concrete, line of pull, when by external tensile force effect, is rotated wheel in rotary moving, and sensor detects the angle signal rotating wheel, and is converted into signal of telecommunication output, sends alarm.
Described housing corner convex erecting bed is provided with the first installing hole.
The described wheel that rotates is provided with the second installing hole.
Described sensor includes, but are not limited to following several: optical encoder sensor, gyro sensor, magnetometric sensor, acceierometer sensor and angular transducer.
Described optical encoder sensor, including code-disc, described code-disc is the plectane of certain diameter, and code-disc edge is partially carved with several rectangular slits, and described code-disc is additionally provided with threeth installing hole corresponding with the second installing hole.
Described gyro sensor, including a housing, edge, described housing chassis is provided with the 4th installing hole coordinated with the second installing hole.
Described magnetometric sensor, including magnet-sensitive element, separately it is configured with Magnet, described Magnet is placed on rotation roller centre, and when rotating wheel and rotating, Magnet thereon can rotate therewith, rotate wheel angle information and be converted into the changes of magnetic field of Magnet, magnetometric sensor rotates the changes of magnetic field before and after the upper fixing magnet rotors of wheel by detection, calculates and rotates the angle that wheel rotates, and the angle signal of rotation is converted into signal of telecommunication output.
Described magnet-sensitive element, including Hall element, magnetoresistive element and giant magnetoresistance element.
Described magnet-sensitive element is installed in a circuit board, and described circuit board is provided with the 5th installing hole coordinated with the first installing hole.
Described line of pull can be steel wire rope.
Compared with prior art, the sensor in position of rotation alarm device of the present invention, contactless, life-span is long, passes through non-contact detecting, it is to avoid to sensor self and the damage of measured object, even if in the severe rugged environment having water or oil splash also can stable detection, response speed is fast, flexible for installation.Generally speaking, have the advantage that
1, steel wire rope only with rotate wheel and be connected, contact without direct physical with sensor, and such as gyro sensor, sensor is sealed in proof mechanism of water, therefore can prevent rainwater and aqueous vapor from causing and damage and inefficacy.
2, rotate wheel to be directly attached on steel wire rope, rotate wheel and do not produce active force, and also will not produce counteracting force according to the active force on steel wire rope, therefore rotate wheel and can respond micro force on steel wire rope, damage will not be produced.
3, rotate wheel itself and there is no electronic device, thus the least by such environmental effects, and also sensor can use Digital Signal Processing and technique for temperature compensation, and it is comprehensive afterwards that it is reliable and stable and is not affected by environmental change.
Below with reference to accompanying drawing, the technique effect of design, concrete structure and the generation of the present invention is described further, to be fully understood from the purpose of the present invention, feature and effect.
Accompanying drawing explanation
Fig. 1: position of rotation alarm device structural representation of the present invention；
Fig. 2: optical encoder sensor schematic diagram of the present invention；
Fig. 3: optical encoder sensor code-disc schematic perspective view of the present invention；
Fig. 4: optical encoder sensor operating diagram of the present invention；
Fig. 5: gyro sensor schematic perspective view of the present invention；
Fig. 6: gyro sensor operating diagram of the present invention；
Fig. 7: magnetometric sensor operating diagram of the present invention；
Fig. 8: magnetometric sensor circuit board schematic diagram of the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Below in conjunction with Figure of description, the present invention is described in further detail.
As shown in Figure 1, a kind of position of rotation alarm device that the present invention provides, including: line of pull 2, housing 3 and be placed in casing center rotation wheel 31, described housing corner convex erecting bed 32 is provided with the first installing hole 33, rotate wheel 31 sidewalls and be provided with the groove 311 being wound around for line of pull 2, described line of pull 2, from rotating wheel 31 extraction, from housing 3 both sides passes after winding at least one circle on described rotation wheel 31.The described wheel 31 that rotates is provided with the second installing hole 312.
Position of rotation alarm device of the present invention, also includes: sensor 1, and described sensor 1 includes, but are not limited to following several: optical encoder sensor 11, gyro sensor 12, magnetometric sensor 13, acceierometer sensor 14 and angular transducer 15.
The operation principle of position of rotation alarm device of the present invention is as follows:
In enforcement, sensor 1 is placed in rotation wheel 31 space above, and it is not directly contacted with rotating wheel 31.Concrete, line of pull 2, when by external tensile force effect, is rotated wheel 31 in rotary moving, and sensor 1 detects the angle signal rotating wheel 31, and is converted into signal of telecommunication output, sends alarm.
As in figure 2 it is shown, optical encoder sensor 11 of the present invention, including code-disc 111.Optical encoder sensor of the present invention has the feature such as noncontact, fast, the dependable performance of response.
As it is shown on figure 3, code-disc 111 is the plectane of certain diameter, code-disc edge is partially carved with several rectangular slits 112, and described code-disc 111 is additionally provided with threeth installing hole 113 corresponding with the second installing hole 312.The material of code-disc of the present invention can be glass, metal, plastics or resin.
As shown in Figure 4, in enforcement, code-disc is placed in rotation wheel space above, it is coaxial with rotation wheel, line of pull, when by external tensile force effect, is rotated wheel in rotary moving, when rotating wheel and rotating, code-disc takes turns synchronized rotation with rotating, and the detection device detection formed through electronic components such as light emitting diodes exports some pulse signals.It is noted that the current anglec of rotation rotating wheel can be reflected by calculating the number of optical encoder sensor per second output pulse.
As it is shown in figure 5, gyro sensor 12 of the present invention, including a housing 121, edge, described housing chassis 122 is provided with the 4th installing hole 123 coordinated with the second installing hole 312.The sealing structure of gyro sensor can prevent dust from entering inner part with liquid, makes up to stability.
As shown in Figure 6, in enforcement, gyro sensor is placed in rotation wheel space above, it is integrated with the function of acceleration transducer, starting moment in rotary moving when rotating wheel, will produce certain accekeration, gyro sensor will measure this accekeration, and it is converted into signal of telecommunication output, send alarm.Gyro sensor has the advantages such as compact conformation, highly sensitive, reliable operation.
As it is shown in fig. 7, magnetometric sensor 13 of the present invention, including magnet-sensitive element 131, it can separately be configured with Magnet 14 with the size in measurement space magnetic field and direction.In enforcement, Magnet 14 is placed on rotation wheel 31 centers, link together with rotating wheel, when rotating wheel 31 rotation, Magnet thereon can rotate therewith, and rotates wheel angle information and is converted into the changes of magnetic field of Magnet, and magnetometric sensor 13 rotates the changes of magnetic field before and after Magnet 14 fixing on wheel 31 rotates by detection, calculate and rotate the angle that wheel rotates, and the angle signal of rotation is converted into signal of telecommunication output.Described magnet-sensitive element 131, including Hall element, magnetoresistive element and giant magnetoresistance element.
As shown in Figure 8, magnet-sensitive element 131 of the present invention is installed in a circuit board 132, and described circuit board 132 is provided with the 5th installing hole 133 coordinated with the first installing hole 33.
Line of pull 2 of the present invention can be steel wire rope.
To sum up, the present invention need not mechanically contact object to be detected and can be realized as detection, object to be detected and sensor will not be caused damage.Therefore, sensor life-time is long, can life-time service.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (10)
1. a position of rotation alarm device, it is characterized in that, including: sensor (1), line of pull (2), housing (3) and be placed in casing center rotation wheel (31), rotate wheel (31) sidewall and be provided with the groove (311) being wound around for line of pull (2), described line of pull (2) is drawn from rotating wheel (31), passes from housing (3) both sides after described rotation wheel (31) upper winding at least circle；Described sensor (1) is placed in rotation wheel (31) space above, and it is not directly contacted with rotating wheel (31)；Concrete, line of pull (2), when by external tensile force effect, is rotated wheel (31) in rotary moving, and sensor (1) detects the angle signal rotating wheel (31), and is converted into signal of telecommunication output, sends alarm.
Position of rotation alarm device the most according to claim 1, it is characterised in that described housing corner convex erecting bed (32) is provided with the first installing hole (33).
Position of rotation alarm device the most according to claim 1, it is characterised in that described rotation wheel (31) is provided with the second installing hole (312).
Position of rotation alarm device the most according to claim 1 and 2, it is characterized in that, described sensor (1) includes, but are not limited to following several: optical encoder sensor (11), gyro sensor (12), magnetometric sensor (13), acceierometer sensor (14) and angular transducer (15).
Position of rotation alarm device the most according to claim 3, it is characterized in that, described optical encoder sensor (11), including code-disc (111), described code-disc (111) is the plectane of certain diameter, code-disc edge is partially carved with several rectangular slits (112), and described code-disc (111) is additionally provided with threeth installing hole (113) corresponding with the second installing hole (312).
Position of rotation alarm device the most according to claim 3, it is characterised in that described gyro sensor (12), including a housing (121), edge, described housing chassis (122) is provided with the 4th installing hole (123) coordinated with the second installing hole (312).
Position of rotation alarm device the most according to claim 3, it is characterized in that, described magnetometric sensor (13), including magnet-sensitive element (131), separately it is configured with Magnet (14), described Magnet (14) is placed on rotation wheel (31) center, when rotating wheel (31) and rotating, Magnet thereon (14) can rotate therewith, rotate wheel angle information and be converted into the changes of magnetic field of Magnet, magnetometric sensor (13) rotates the changes of magnetic field before and after the upper fixing Magnet (14) of wheel (31) rotates by detection, calculate and rotate the angle that wheel rotates, and the angle signal of rotation is converted into signal of telecommunication output.
Position of rotation alarm device the most according to claim 6, it is characterised in that described magnet-sensitive element (131), including Hall element, magnetoresistive element and giant magnetoresistance element.
Position of rotation alarm device the most according to claim 7, it is characterised in that described magnet-sensitive element (131) is installed in a circuit board (132), described circuit board (132) is provided with the 5th installing hole (133) coordinated with the first installing hole (33).
Position of rotation alarm device the most according to claim 1, it is characterised in that described line of pull (2) can be steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618140.4A CN106023496B (en) | 2016-08-01 | 2016-08-01 | A kind of angle warning device for fence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618140.4A CN106023496B (en) | 2016-08-01 | 2016-08-01 | A kind of angle warning device for fence |
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| Publication Number | Publication Date |
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| CN106023496A true CN106023496A (en) | 2016-10-12 |
| CN106023496B CN106023496B (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610618140.4A Active CN106023496B (en) | 2016-08-01 | 2016-08-01 | A kind of angle warning device for fence |
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| CN (1) | CN106023496B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108280958A (en) * | 2018-02-06 | 2018-07-13 | 惠州纽卡沃科技有限公司 | A kind of rotary work station warning device for high-temperature service |
| CN108898769A (en) * | 2018-09-03 | 2018-11-27 | 南京国沃电子科技有限公司 | Multi-thread shape tension electronic fence intruder detection system |
| CN111223257A (en) * | 2020-01-20 | 2020-06-02 | 南通围界盾智能科技有限公司 | Tension fence intrusion detection system |
| CN112233351A (en) * | 2020-11-18 | 2021-01-15 | 光谷技术有限公司 | Electronic fence system and control method |
| CN115331371A (en) * | 2022-08-13 | 2022-11-11 | 深圳市依电科技有限公司 | Tension standard point compensation method and electronic fence |
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| DE202004000648U1 (en) * | 2003-02-08 | 2004-06-03 | Holle, Christian | Monitoring system with movement sensors for intruder alarms adapted to avoid false alarms by means of an alarm free zone |
| CN201134137Y (en) * | 2007-12-06 | 2008-10-15 | 叶志锋 | Anti-intrusion alarm system for electronic fence perimeter of tension type |
| CN203977984U (en) * | 2014-06-20 | 2014-12-03 | 国网河北省电力公司衡水供电分公司 | A kind of photo-electric high-potting warning fence |
| CN104574736A (en) * | 2013-10-23 | 2015-04-29 | 西安造新电子信息科技有限公司 | Vibration anti-invasion electronic fence alarm system |
| CN205942960U (en) * | 2016-08-01 | 2017-02-08 | 上海国沃电子科技有限公司 | Rotatory position alarm device |
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2016
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| DE202004000648U1 (en) * | 2003-02-08 | 2004-06-03 | Holle, Christian | Monitoring system with movement sensors for intruder alarms adapted to avoid false alarms by means of an alarm free zone |
| CN201134137Y (en) * | 2007-12-06 | 2008-10-15 | 叶志锋 | Anti-intrusion alarm system for electronic fence perimeter of tension type |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108280958A (en) * | 2018-02-06 | 2018-07-13 | 惠州纽卡沃科技有限公司 | A kind of rotary work station warning device for high-temperature service |
| CN108280958B (en) * | 2018-02-06 | 2023-04-11 | 黑龙江特通电气股份有限公司 | Rotating station alarm device for high-temperature equipment |
| CN108898769A (en) * | 2018-09-03 | 2018-11-27 | 南京国沃电子科技有限公司 | Multi-thread shape tension electronic fence intruder detection system |
| CN111223257A (en) * | 2020-01-20 | 2020-06-02 | 南通围界盾智能科技有限公司 | Tension fence intrusion detection system |
| CN112233351A (en) * | 2020-11-18 | 2021-01-15 | 光谷技术有限公司 | Electronic fence system and control method |
| CN115331371A (en) * | 2022-08-13 | 2022-11-11 | 深圳市依电科技有限公司 | Tension standard point compensation method and electronic fence |
| CN115331371B (en) * | 2022-08-13 | 2024-01-30 | 深圳市依电科技有限公司 | Tension standard point compensation method and electronic fence |
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| CN106023496B (en) | 2018-06-26 |
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