CN205373696U - Article monitoring device and article monitored control system based on active RFID - Google Patents
Article monitoring device and article monitored control system based on active RFID Download PDFInfo
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- CN205373696U CN205373696U CN201521050106.9U CN201521050106U CN205373696U CN 205373696 U CN205373696 U CN 205373696U CN 201521050106 U CN201521050106 U CN 201521050106U CN 205373696 U CN205373696 U CN 205373696U
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Abstract
The utility model discloses an article monitoring device and system based on active RFID. These article monitoring device is suitable for and installs on by the control article, is used for the control gesture by the control article changes, includes: angle sensor is used for the monitoring by the attitude parameter of control article, the comparator, including input and output, the input is connected to angle sensor receives the attitude parameter that angle sensor sent, the comparator is right attitude parameter carries out the comparison with the difference and the predetermined value of benchmark value, and follows output output compare result, radio frequency module is connected to the output of comparator is worked as the difference is greater than during the predetermined value, send radio frequency caution signal. When the gesture by the control article took place above the change in the preset range, article monitoring device will send out police dispatch and accuse the signal, just so can in time adjust by the gesture of control article to prevent the emergence of potential safety hazard.
Description
Technical field
This utility model relates to monitoring technical field, particularly relates to a kind of article monitoring Apparatus and system.
Background technology
Many article relating to security fields in life, for instance well cover for sewer, power supply box, communication base station etc., the change of the attitude of these article relates to security hidden trouble.Such as, when the attitude of well cover for sewer changes, it may be possible to well cover for sewer tilts or stolen, the personal safety of this entail dangers to pedestrian, all can there is a large amount of pedestrian every year because of well lid problem injures and deaths.
At present, substantial amounts of article, for instance outdoor municipal administration well lid and the special article for other occasions, basic by the manual management of patrolling of people, cannot effectively obtain the information of article (such as well lid equipment etc.) in real time, in the face of abnormal conditions cannot realize monitor in real time and management rapidly and efficiently.
Accordingly, it would be desirable to a kind of article monitoring device and goods monitoring system can monitor the attitude of the article relating to security fields.
Utility model content
A purpose of the present utility model is in that, monitoring relates to the attitude of the article of security fields, reports to the police when monitored article posture deviates reference value preset range, thus preventing potential safety hazard.For this, this utility model, by monitoring the change of article posture, then sends radio frequency caution signals when the attitude knots modification of article exceedes preset range, thus can monitor the safe condition of article in time, article posture can be adjusted in time, thus preventing potential safety hazard when there is potential safety hazard.
According to an aspect of the present utility model, it is provided that a kind of article monitoring device based on active RFID.This device is adapted to mount on monitored article, and the attitude for monitoring described monitored article changes, including: angular transducer, for monitoring the attitude parameter of described monitored article；Comparator, including input and outfan, described input is connected to described angular transducer, receives the attitude parameter that described angular transducer sends, difference and the predetermined value of described attitude parameter and reference value are compared by described comparator, and export comparative result from described outfan；Radio-frequency module, is connected to the outfan of described comparator, when described difference is more than described predetermined value, sends radio frequency caution signals.When the attitude of monitored article exceedes the change in preset range, article monitoring device will send warning signal, and thus can adjust the attitude of monitored article in time, thus preventing the generation of potential safety hazard.
In one embodiment, also include memorizer, be connected to the input of described comparator, for storing the ID of described attitude parameter, described reference value, described predetermined value and described monitored article.
In one embodiment, also include warning monitoring modular, be connected to described radio-frequency module, be used for monitoring described radio frequency caution signals；Clock module, it is connected to described angular transducer and described warning monitoring modular, for when not monitoring described radio frequency caution signals in the described continuous pre-determined number of warning monitoring modular, to described angular transducer tranmitting data register signal, described angular transducer is the attitude parameter of monitored article according to described clock signal periodic monitoring.As such, it is possible to when not occurring to warn in pre-determined number, open actively periodic monitor pattern, it is possible to reduce system power dissipation.
In one embodiment, also include: vibration monitoring module, it is connected to described radio-frequency module, for monitoring the vibrations of described monitored article, when monitoring the vibrations of monitored article, described vibration monitoring module sends to described radio-frequency module and triggers signal, and described radio-frequency module sends radio frequency caution signals in response to described triggering signal.So, by monitoring the shock conditions of described monitored article, it is possible to make up the vibrations that cannot capture in article monitoring device actively monitoring periods and the situation such as quickly stir.In one embodiment, also include: duration determination module, be connected to described vibration monitoring module and described radio-frequency module, for determining the duration of shaking of described monitored article, when described duration of shaking exceedes the scheduled time, described radio-frequency module sends radio frequency caution signals.By monitoring the time of vibrations, it is possible to eliminate false alarm, for instance major part vehicle front and back wheel can be eliminated and roll the false alarm that vibrations cause.
In one embodiment, the transmitting power of described radio-frequency module is 100mW, and the frequency of described radio frequency caution signals is 433MHz.This article monitoring device, by using 433MHz and coordinating the transmitting power of 100mA, strengthens the penetration capacity of article monitoring device, in unscreened situation, makes ground communication distance more than 1 kilometer, and more than 250m is assigned on ground.
In one embodiment, also include low frequency and trigger circuit module, be connected to described comparator, for described monitored article being calibrated and obtaining described reference value.Triggering circuit by this low frequency and carry out low frequency initialization, it is possible to after this article monitoring device installation, monitored article position is calibrated, the reference position of the monitored article of record is for comparing.This circuit realiration is convenient, reduces system power dissipation, extends the service life of article monitoring device and reduce the cost of product.
In one embodiment, described article monitoring device is monitoring tag card.This article monitoring device is set to monitoring tag card, it is simple to be arranged on monitored article, for instance when monitored article are well lid, it is possible to be stuck in the well lid back side easily.
According to another aspect of the present utility model, additionally provide a kind of goods monitoring system based on active RFID, including: at least one above-mentioned article monitoring device based on active RFID, it is adapted to mount at least one monitored article；At least one base station, is respectively used to receive the radio frequency caution signals in presumptive area；Server, for reporting to the police in response to the radio frequency caution signals received from described base station.By being arranged on the monitored article in presumptive area by least one article monitoring device, when there being alarm to occur, server receives radio frequency caution signals by base station.As such, it is possible to the monitored article of predetermined number in monitoring certain area, can process in time when there being alarm to occur.
According to article monitoring device of the present utility model and system, by monitoring the change of article posture, radio frequency caution signals is then sent when the attitude knots modification of article exceedes preset range, monitor the safe condition of article in time, article posture can be adjusted in time, thus preventing potential safety hazard when there is potential safety hazard.
Accompanying drawing explanation
In conjunction with the drawings disclosure illustrative embodiments is described in more detail, above-mentioned and other purpose, feature and the advantage of the disclosure will be apparent from, wherein, in disclosure illustrative embodiments, identical reference number typically represents same parts.
Fig. 1 illustrates the functional block diagram of the article monitoring device based on active RFID according to this utility model one embodiment.
Fig. 2 illustrates the functional block diagram of the article monitoring device based on active RFID according to another embodiment of this utility model.
Fig. 3 illustrates the functional block diagram of the goods monitoring system based on active RFID according to another embodiment of this utility model.
Detailed description of the invention
It is more fully described the preferred implementation of the disclosure below with reference to accompanying drawings.Although accompanying drawing shows the preferred implementation of the disclosure, however, it is to be appreciated that may be realized in various forms the disclosure and should do not limited by embodiments set forth herein.On the contrary, it is provided that these embodiments are to make the disclosure more thorough and complete, and the scope of the present disclosure can intactly convey to those skilled in the art.
Relate to the article of potential safety hazard as previously mentioned, for the change of attitude, in order to prevent potential safety hazard, changing by monitoring the attitude of these article, reporting to the police when monitored article posture deviates reference value preset range, thus preventing potential safety hazard.
It is specifically described embodiment of the present utility model below with reference to Fig. 1 to Fig. 3.
Fig. 1 illustrates the functional block diagram of the article monitoring device 100 based on active RFID according to this utility model one embodiment.A kind of article monitoring device 100 based on active RFID, this device is adapted to mount on monitored article, and the attitude for monitoring monitored article changes.Wherein, these monitored article can be well cover for sewer, power supply box, communication base station etc., and the change of the attitude of these article relates to security hidden trouble.
Above-mentioned article monitoring device 100 includes: angular transducer 110, comparator 120 and radio-frequency module 130.Wherein, angular transducer 110 is for monitoring the attitude parameter of monitored article, and this attitude parameter can be the change of article angle, for instance inclination, reversion etc..Comparator 120 includes input and outfan, and input is connected to angular transducer 110, the attitude parameter that receiving angle sensor 110 sends, and difference and the predetermined value of attitude parameter and reference value are compared by comparator 120, and export comparative result from outfan.Wherein, reference value refers to monitored article and installs the reference value of the reference position correspondence attitude arranged afterwards, predetermined value refers to the value range allowing monitored article posture to change, the change in this predetermined range of the attitude of monitored article is considered in normal range to change, it is not required to send alarm, such as pedestrian steps down in well cover for sewer, or these monitored article of maintainer normal inspection etc..Radio-frequency module 130 is connected to the outfan of comparator 110, when the difference of above-mentioned attitude parameter and reference value is more than predetermined value, sends radio frequency caution signals.That is, when the attitude of monitored article exceedes the change in preset range, article monitoring device 100 will send warning signal.So, it is simple to adjust the attitude of monitored article in time, thus preventing the generation of potential safety hazard.
Fig. 2 illustrates the functional block diagram of the article monitoring device 100 based on active RFID according to another embodiment of this utility model.With reference to Fig. 2, above-mentioned article monitoring device 100 also includes memorizer 140.Memorizer 140 is connected to the input of comparator 120, for storing the ID of above-mentioned attitude parameter, reference value, predetermined value and monitored article.
With reference to Fig. 2, above-mentioned article monitoring device 100 also includes warning monitoring modular 150 and clock module 160.Warning monitoring modular 150 is connected to radio-frequency module 130, is used for monitoring radio frequency caution signals.Clock module 160 is connected to angular transducer 110 and warning monitoring modular 150, for when not monitoring radio frequency caution signals in the warning continuous pre-determined number of monitoring modular 150, to angular transducer 110 tranmitting data register signal, the angular transducer 110 attitude parameter according to the monitored article of this clock signal periodic monitoring.When not occurring in continuous pre-determined number or in the scheduled time to warn, such as in a safe condition at certain time period monitored article, article monitoring device 100 then opens actively periodic monitor pattern, and fixed interval carries out detecting and so can reduce system power dissipation.
With reference to Fig. 2, above-mentioned article monitoring device 100 also includes vibration monitoring module 170 and duration determination module 180, and vibration monitoring module 170 is connected to radio-frequency module 130 by duration determination module 180.Duration determination module 180 is for determining the duration of shaking of monitored article, and when duration of shaking exceedes the scheduled time, radio-frequency module 130 sends radio frequency caution signals.By monitoring the time of vibrations, it is possible to eliminate false alarm.For example, it is possible to elimination is largely similar to vehicle front and back wheel rolls the false alarm that vibrations cause.
In another embodiment, vibration monitoring module 170 can be directly connected to radio-frequency module 130, for monitoring the vibrations of monitored article, when monitoring the vibrations of monitored article, vibration monitoring module 170 sends to radio-frequency module 130 and triggers signal, and radio-frequency module 130 sends radio frequency caution signals in response to triggering signal.So, by monitoring the shock conditions of described monitored article, it is possible to make up the vibrations that cannot capture in article monitoring device actively monitoring periods and the situation such as quickly stir.
Wherein, the transmitting power of the radio-frequency module 130 of this article monitoring device 100 is 100mW, and the frequency of radio frequency caution signals is 433MHz.When these monitored article are arranged at earth's surface or underground, for instance well cover for sewer, it is necessary to article monitoring device 100 launches radio frequency caution signals from earth's surface or underground.Launching radio frequency caution signals from subsurface and received by longer-distance base station, this requires that radio frequency caution signals has certain penetration capacity, certain capacity of resisting disturbance and certain power.Common 433MHz frequency band signals has certain penetration capacity, but needs bigger transmitting power, and this is for using common batteries as not-so-practical the supervising device of power supply.Article monitoring device 100 uses 433MHz frequency range, coordinates the transmitting power of 100mW, strengthens the penetration capacity of article monitoring device 100, and under unobstructed environment, ground communication distance is more than 1 kilometer, and more than 250m is assigned on ground.Further, article monitoring device 100 can also adopt lora rf-signal modulation technology, it is possible to tolerates relatively low signal to noise ratio, receiving sensitivity can be low to moderate-148dBm.
With reference to Fig. 2, article monitoring device 100 also includes low frequency and triggers circuit module 190.Low frequency triggers circuit module 190 and is connected to comparator 120, for monitored article being calibrated and obtaining reference value.Triggering circuit 190 by this low frequency and carry out low frequency initialization, it is possible to after this article monitoring device 100 installation, monitored article position is calibrated, the reference position of the monitored article of record is for comparing.This circuit realiration is convenient, reduces system power dissipation, extends the service life of article monitoring device 100 and reduce the cost of product.Wherein, this low frequency triggers after circuit module 190 obtains reference value and this reference value is stored in memorizer 140.
In one embodiment, this article monitoring device 100 can be monitoring tag card.This article monitoring device 100 is set to monitoring tag card, it is simple to be arranged on monitored article, for instance when monitored article are well lid, it is possible to be stuck in the well lid back side easily.
Shown in Fig. 3, for the functional block diagram of the goods monitoring system 200 based on active RFID according to another embodiment of this utility model.A kind of goods monitoring system 200 based on active RFID, including at least one above-mentioned article monitoring device 100 based on active RFID, at least one base station 220 and server 240.Wherein, above-mentioned at least one be adapted to mount at least one monitored article based on the article monitoring device 100 of active RFID, at least one base station 220, being respectively used to receive the radio frequency caution signals that in presumptive area, article monitoring device 100 is launched, server 240 is for reporting to the police in response to the radio frequency caution signals received from base station 220.Wherein, when monitored article are well cover for sewer, base station 220 can be built in street lamp or in monitoring camera.
By being arranged on the monitored article in presumptive area by least one article monitoring device 100, when there being alarm to occur, server 240 receives radio frequency caution signals by base station 220.So, the monitored article of predetermined number in certain area can be monitored by this goods monitoring system 200, can process in time when there being alarm to occur.
According to article monitoring device of the present utility model and system, by monitoring the change of article posture, radio frequency caution signals is then sent when the attitude knots modification of article exceedes preset range, monitor the safe condition of article in time, article posture can be adjusted in time, thus preventing potential safety hazard when there is potential safety hazard.
Above describe in detail according to the article monitoring device based on active RFID of the present utility model and system by reference to accompanying drawing.Being described above each embodiment of the present utility model, described above is illustrative of, and non-exclusive, and it is also not necessarily limited to disclosed each embodiment.When not necessarily departing from the scope and spirit of illustrated each embodiment, many modifications and changes will be apparent from for those skilled in the art.The selection of term used herein, it is intended to explain the principle of each embodiment, practical application or the improvement to the technology in market best, or make other those of ordinary skill of the art be understood that each embodiment disclosed herein.
Claims (9)
1. based on an article monitoring device for active RFID, being adapted to mount on monitored article, the attitude for monitoring described monitored article changes, including:
Angular transducer, for monitoring the attitude parameter of described monitored article；
Comparator, including input and outfan, described input is connected to described angular transducer, receives the attitude parameter that described angular transducer sends, difference and the predetermined value of described attitude parameter and reference value are compared by described comparator, and export comparative result from described outfan；
Radio-frequency module, is connected to the outfan of described comparator, when described difference is more than described predetermined value, sends radio frequency caution signals.
2. article monitoring device according to claim 1, also includes memorizer, is connected to the input of described comparator, for storing the ID of described attitude parameter, described reference value, described predetermined value and described monitored article.
3. article monitoring device according to claim 1, also includes:
Warning monitoring modular, is connected to described radio-frequency module, is used for monitoring described radio frequency caution signals；
Clock module, it is connected to described angular transducer and described warning monitoring modular, for when not monitoring described radio frequency caution signals in the described continuous pre-determined number of warning monitoring modular, to described angular transducer tranmitting data register signal, described angular transducer is the attitude parameter of monitored article according to described clock signal periodic monitoring.
4. article monitoring device according to claim 1, also includes:
Vibration monitoring module, it is connected to described radio-frequency module, for monitoring the vibrations of described monitored article, when monitoring the vibrations of monitored article, described vibration monitoring module sends to described radio-frequency module and triggers signal, and described radio-frequency module sends radio frequency caution signals in response to described triggering signal.
5. article monitoring device according to claim 4, also includes:
Duration determination module, is connected to described vibration monitoring module and described radio-frequency module, and for determining the duration of shaking of described monitored article, when described duration of shaking exceedes the scheduled time, described radio-frequency module sends radio frequency caution signals.
6. article monitoring device according to claim 1, wherein, the transmitting power of described radio-frequency module is 100mW, and the frequency of described radio frequency caution signals is 433MHz.
7. article monitoring device according to claim 1, also includes low frequency and triggers circuit module, be connected to the input of described comparator, for described monitored article being calibrated and obtaining described reference value.
8. article monitoring device according to claim 1, wherein, described article monitoring device is monitoring tag card.
9. based on a goods monitoring system for active RFID, including:
At least one, according to the arbitrary described article monitoring device based on active RFID of claim 1-8, is adapted to mount at least one monitored article；
At least one base station, is respectively used to receive the radio frequency caution signals in presumptive area；
Server, for reporting to the police in response to the radio frequency caution signals received from described base station.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521050106.9U CN205373696U (en) | 2015-12-16 | 2015-12-16 | Article monitoring device and article monitored control system based on active RFID |
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| CN201521050106.9U CN205373696U (en) | 2015-12-16 | 2015-12-16 | Article monitoring device and article monitored control system based on active RFID |
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| CN205373696U true CN205373696U (en) | 2016-07-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106651143A (en) * | 2016-11-25 | 2017-05-10 | 北京计算机技术及应用研究所 | Equipment intelligence management and control system |
| CN108930290A (en) * | 2017-05-24 | 2018-12-04 | 中兴通讯股份有限公司 | Well lid alarm method and system, well lid |
| CN111366134A (en) * | 2020-03-18 | 2020-07-03 | 济南热力工程有限公司 | Well lid slope trigger control system |
-
2015
- 2015-12-16 CN CN201521050106.9U patent/CN205373696U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106651143A (en) * | 2016-11-25 | 2017-05-10 | 北京计算机技术及应用研究所 | Equipment intelligence management and control system |
| CN108930290A (en) * | 2017-05-24 | 2018-12-04 | 中兴通讯股份有限公司 | Well lid alarm method and system, well lid |
| CN111366134A (en) * | 2020-03-18 | 2020-07-03 | 济南热力工程有限公司 | Well lid slope trigger control system |
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