CN102074094B - Security early-warning prompting system for bridges - Google Patents
Security early-warning prompting system for bridges Download PDFInfo
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- CN102074094B CN102074094B CN 201110020944 CN201110020944A CN102074094B CN 102074094 B CN102074094 B CN 102074094B CN 201110020944 CN201110020944 CN 201110020944 CN 201110020944 A CN201110020944 A CN 201110020944A CN 102074094 B CN102074094 B CN 102074094B
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Abstract
The invention relates to the technical field of security detection early warning for road traffic bridges, in particular to a security early-warning prompting system for bridges, which comprises a power supply module, an alarm circuit module and a voice, sound and light alarm device, wherein the power supply module consists of a storage battery module and a solar generating set; the anode output end and cathode output end of the solar generating set are connected with the anode input end and cathode input end of the storage battery module; the output end of the storage battery module is connected with a direct-current/direct-current (DC/DC) voltage conversion module; the output end of the DC/DC voltage conversion module is connected with an induction line open circuit comparison circuit and the alarm circuit module respectively; and the alarm circuit module is connected with the voice, sound and light alarm device. In the security early-warning prompting system, the induction line open circuit comparison circuit is adopted, so the early-warning prompting function of collapse accidents of the bridges can be better realized, and the sound and light alarm prompting function during bridge collapse can be realized. The system has a simple structure, and is stable and reliable and convenient to expand.
Description
Technical field:
The present invention relates to detect the early warning technology field for the road traffic bridge security, especially relate to a kind of bridge safety warning system.
Background technology:
In recent years, along with the development of China's road traffic, the especially fast development of railway traffic, the science of bridge building technology has also obtained the development of leap.Further perfect along with the great transportation network of China progressively overcome the traffic problems of remote districts, geographical environment complex area, and great effect has been brought into play in the construction of bridge therein.It is succinctly attractive in appearance that the development of science of bridge building technology is more seen the Mechanical Builds of bridge, and bridge span constantly increases, the bridge increasing year by year of super-large span.Bridge is as the important component part of national basis facility, and the effect in national economy and social life is more and more important.Simultaneously, people pay special attention to security, permanance and the normal usage function of large bridge.Bridge Inspection is as the important component part in science of bridge building field, and existing bridge detects data transfer and all adopts the wire cable mode to finish.The advantage that content is low, data transmission efficiency is high, accuracy is good though this technological means possesses skills, but in the Longspan Bridge structured testing, increase and number of sensors increase along with bridge span, the wire cable consumption increases severely, and the wire cable installation work of several kms measures and is difficult to carry out.Bridge for long span.The connected mode of the long distance wired cable of existing employing is carried out the bridge detection and is had inconvenience.For example the on-the-spot test cycle is long, efficient is beneath and very flexible; Arrange and withdraw the wire cable workload large; If the test point number is many, in disorder, the easy wrong of wire cable complex distribution, and process for the data in later stage and to bring the difficulty that is difficult to remedy; These situations have restricted the development of science of bridge building technology.
Patent of invention 200510009658.x patent of invention discloses a kind of sensor-based bridge wireless monitoring system, it is measured dynamic data, the static data of bridge structure with wireless mode, and it has, and accuracy of detection is high, test period is short, efficient is high, workload is little, need not by advantages such as existing communication network, high reliability.But prior art rests on static data collection analysis and dynamic the evaluation to the detection of bridge use procedure, its technology implements to be subject to the restriction in geographic position, especially the bridge collapse accident that causes because of the burst disaster for the mountain area, can't implement effective monitoring and early warning, so just cause the bridge of remote districts occuring in time to warn the vehicle that travels when caving in suddenly, easily draw the loss that the weather reason causes personnel and property.
Summary of the invention:
The present invention is a kind of bridge safety warning system that the deficiency of existing technology is provided, it adopts the structural design of circuit, the bridge collapse accident that causes in the time of can occuring because of disasteies such as earthquake rubble flow bridge gives the alarm, thereby efficiently solves the problems of the prior art.
The present invention solves the scheme that its technical matters adopts: described bridge safety warning system, include power module, be characterized in also including warning circuit module and voice and acoustic-optic alarm, described power module is comprised of battery module and device of solar generating, the both positive and negative polarity output terminal of device of solar generating links to each other with the both positive and negative polarity input end of battery module, the output terminal of battery module links to each other with the DC/DC voltage transformation module, the output terminal of DC/DC voltage transformation module links to each other with the warning circuit module with the line of induction comparator circuit that opens circuit respectively, and the warning circuit module links to each other with voice and acoustic-optic alarm.
The described line of induction opens circuit, and comparator circuit comprises sensor wire and the comparer that opens circuit, the comparer model that opens circuit is LM139WA, one end of sensor wire is connected with the negative input end of the comparer that opens circuit by variable resistor R2, and the negative input end of the comparer that opens circuit links to each other with the positive output end of DC/DC voltage transformation module by resistance R 1; The other end of sensor wire is connected by the positive input terminal of resistance R 4 with the comparer that opens circuit, and the positive input terminal of the comparer that opens circuit links to each other with the positive output end of DC/DC voltage transformation module by resistance R 3; The junction of sensor wire and resistance R 4 links to each other with the negative output terminal of the GND pin of the comparer that opens circuit and DC/DC voltage transformation module, the output pin of comparer of opening circuit links to each other with the CHTHODE input end of photoelectrical coupler with power pins, resistance R 10 is installed between the output pin and power pins of the comparer that opens circuit, the ANODE input end of photoelectrical coupler links to each other with the positive output end of DC/DC voltage transformation module by resistance R 5, and the COLLECTOR output terminal of photoelectrical coupler links to each other with the positive output end of DC/DC voltage transformation module.
Described warning circuit module comprises triode and relay, the base stage of triode links to each other with the EMITTER output terminal of photoelectrical coupler by resistance R 6, the emitter of triode Q1 links to each other with the negative output terminal of DC/DC voltage transformation module, be provided with resistance R 7 between the emitter of triode Q1 and the base stage, the collector of triode Q1 links to each other by the positive output end of diode with the DC/DC voltage transformation module, the collector of triode Q1 links to each other with relay coil one end, the relay coil other end links to each other with the positive output end of DC/DC voltage transformation module, output terminal one pin of relay connects the positive output end of battery module, another pin of the output terminal of relay connects emergency alarm bell and the alarm lamp of voice and acoustic-optic alarm, be provided with resistance between emergency alarm bell and the alarm lamp, the collector of described triode links to each other with the positive pole of diode, the negative pole of diode links to each other with the positive output end of DC/DC voltage transformation module, the emergency alarm bell of described voice and acoustic-optic alarm and alarm lamp are two, be provided with resistance R 8 between first Report alarm bell and the first Report warning lamp, be provided with resistance R 9 between Secondary Report alarm bell and the Secondary Report warning lamp, described alarm lamp is light emitting diode.
The described line of induction comparator circuit that opens circuit adopts the MCS51 single-chip microcomputer to replace, DC/DC voltage transformation module positive output end links to each other with the VCC pin of single-chip microcomputer, DC/DC voltage transformation module negative output terminal links to each other with the GND pin of one-chip computer module, one end of sensor wire links to each other with DC/DC voltage transformation module positive output end, the other end of sensor wire links to each other with the interrupt INT of single-chip microcomputer 0 pin, the base stage of the triode C1 of warning circuit module links to each other with the P1.0 pin of single-chip microcomputer by resistance R 11, the base stage of triode C2 links to each other with the P1.1 pin of single-chip microcomputer by resistance R 12, the collector of triode C1 and triode C2 links to each other with the positive output end of battery module, the emitter of triode C1 links to each other with alarm lamp, and the emitter of triode C2 links to each other with emergency alarm bell.
The output voltage of described DC/DC voltage transformation module is 5V or 6V, and the output voltage of battery module is 12V.
Technique scheme is passed through in the invention of this reality, there is following effect: described bridge safety warning system, it has adopted a kind of line of induction comparator circuit that opens circuit, and can be good at realizing the early warning function of bridge collapse accident, the sound and light alarm prompt facility when having realized bridge collapse.This system architecture is simple, and is reliable and stable, and expansion is convenient.
Description of drawings:
Fig. 1 is structural principle and the circuit connection diagram of the embodiment of the invention 1;
Fig. 2 is structural principle and the circuit connection diagram of the embodiment of the invention 2.
Shown in the figure: 1, sensor wire; 2, the comparer that opens circuit; 3, photoelectrical coupler, 4, triode Q1; 5, diode; 6, relay; 7, emergency alarm bell; 8, alarm lamp; 9, device of solar generating; 10, battery module; 11, DC/DC voltage transformation module; 12, MCS51 single-chip microcomputer; 13, triode C1; 14, triode C2.
Embodiment
Be described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing
The described line of induction opens circuit, and comparator circuit comprises sensor wire 1 and the comparer 2 that opens circuit, comparer 2 models that open circuit are LM139WA, one end of sensor wire 1 is connected with the negative input end of the comparer 2 that opens circuit by variable resistor R2, and the negative input end of the comparer 2 that opens circuit links to each other with the positive output end of DC/DC voltage transformation module 11 by resistance R 1; The other end of sensor wire 1 is connected by the positive input terminal of resistance R 4 with the comparer 2 that opens circuit, and the positive input terminal of the comparer 2 that opens circuit links to each other with the positive output end of DC/DC voltage transformation module 11 by resistance R 3; The junction of sensor wire 1 and resistance R 4 links to each other with the GND pin of the comparer 2 that opens circuit and the negative output terminal of DC/DC voltage transformation module 11, the output pin of comparer 2 of opening circuit links to each other with the CHTHODE input end of photoelectrical coupler 3 with power pins, resistance R 10 is installed between the output pin and power pins of the comparer 2 that opens circuit, the ANODE input end of photoelectrical coupler 3 links to each other with the positive output end of DC/DC voltage transformation module 11 by resistance R 5, and the COLLECTOR output terminal of photoelectrical coupler 3 links to each other with the positive output end of DC/DC voltage transformation module 11.
Described warning circuit module comprises triode Q1 4 and relay 6, the base stage of triode Q1 4 links to each other with the EMITTER output terminal of photoelectrical coupler 3 by resistance R 6, the emitter of triode Q1 4 links to each other with the negative output terminal of DC/DC voltage transformation module 11, be provided with resistance R 7 between the emitter of triode Q1 4 and the base stage, the collector of triode Q1 4 links to each other by the positive output end of diode with DC/DC voltage transformation module 11, the collector of triode Q1 4 links to each other with relay 6 coils one end, the relay 6 coil other ends link to each other with the positive output end of DC/DC voltage transformation module 11, output terminal one pin of relay 6 connects the positive output end of battery module 10, another pin of the output terminal of relay 6 connects emergency alarm bell 7 and the alarm lamp 8 of voice and acoustic-optic alarm, be provided with resistance between emergency alarm bell 7 and the alarm lamp 8, the collector of described triode Q1 4 links to each other with the positive pole of diode 5, the negative pole of diode 5 links to each other with the positive output end of DC/DC voltage transformation module 11, the emergency alarm bell 7 of described voice and acoustic-optic alarm and alarm lamp 8 are two, be provided with resistance R 8 between first Report alarm bell and the first Report warning lamp, be provided with resistance R 9 between Secondary Report alarm bell and the Secondary Report warning lamp, described alarm lamp 8 is light emitting diode.The output voltage of described DC/DC voltage transformation module 11 is 6V, and the output voltage of battery module 10 is 12V.
During enforcement, connect each device, adjust the negative input end voltage of variable resistor R2 comparer 2 so that comparer opens circuit less than positive input terminal voltage, the output terminal output high level of comparer 2 opens circuit this moment, photoelectrical coupler 3 not conductings, triode Q1 4 not conductings, emergency alarm bell 7, alarm lamp 8 are not all worked.When bridge collapse, sensor wire 1 disconnects, open circuit the negative input end voltage of comparer 2 greater than positive input terminal voltage, the output terminal output low level of comparer 2 opens circuit this moment, photoelectrical coupler 3 conductings, triode Q1 4 conductings, emergency alarm bell 7, alarm lamp 8 are all connected work, and caution pedestrian and vehicle bridge cave in.
Embodiment, 2, as shown in Figure 2, as different from Example 1, the described line of induction comparator circuit that opens circuit adopts MCS51 single-chip microcomputer 12 to replace, DC/DC voltage transformation module 11 positive output ends link to each other with the VCC pin of single-chip microcomputer 12, DC/DC voltage transformation module 11 negative output terminals link to each other with the GND pin of one-chip computer module 12, one end of sensor wire 1 links to each other with DC/DC voltage transformation module 11 positive output ends, the other end of sensor wire 1 links to each other with interrupt INT 0 pin of single-chip microcomputer 12, the base stage of the triode C1 13 of warning circuit module links to each other with the P1.0 pin of single-chip microcomputer 12 by resistance R 11, the base stage of triode C2 14 links to each other with the P1.1 pin of single-chip microcomputer 12 by resistance R 12, the collector of triode C1 13 and triode C2 14 links to each other with the positive output end of battery module 10, the emitter of triode C1 13 links to each other with alarm lamp 8, and the emitter of triode C2 14 links to each other with emergency alarm bell 7.The output voltage of described DC/DC voltage transformation module 11 is 5V, and the output voltage of battery module 10 is 12V.
During enforcement, connect each device such as sensor wire 1, MCS51 single-chip microcomputer 12, battery module 10, coding, the INT0 that MCS51 single-chip microcomputer 12 is set is operated under the edging trigger pattern, MCS51 single-chip microcomputer 12 downloads, sensor wire 1 keeps connecting when bridge does not cave in, saltus step does not occur in interrupt INT 0 pin level of MCS51 single-chip microcomputer 12, this moment the MCS51 single-chip microcomputer P1.0, the equal output low level of P1.1 pin, triode C1 13 and triode C2 14 all not conductings, emergency alarm bell 7, alarm lamp 8 are not worked.Cause sensor wire 1 to disconnect during bridge collapse, interrupt INT 0 pin of MCS51 single-chip microcomputer 12 becomes low level generation saltus step by high level, this moment, MCS51 single-chip microcomputer 12 was started working under the control of software, the P1.0 of MCS51 single-chip microcomputer 12, P1.1 pin output high level, triode C1 13 and triode C2 14 conductings, emergency alarm bell 7, alarm lamp 8 are started working, and play the effect of caution.
Claims (4)
1. bridge safety warning system, include power module, warning circuit module and voice and acoustic-optic alarm, it is characterized in that: described power module is comprised of battery module and device of solar generating, the both positive and negative polarity output terminal of device of solar generating links to each other with the both positive and negative polarity input end of battery module, the output terminal of battery module links to each other with the DC/DC voltage transformation module, the output terminal of DC/DC voltage transformation module links to each other with the warning circuit module with the line of induction comparator circuit that opens circuit respectively, and the warning circuit module links to each other with voice and acoustic-optic alarm; The described line of induction opens circuit, and comparator circuit comprises sensor wire and the comparer that opens circuit, the comparer model that opens circuit is LM139WA, one end of sensor wire is connected with the negative input end of the comparer that opens circuit by variable resistor R2, and the negative input end of the comparer that opens circuit links to each other with the positive output end of DC/DC voltage transformation module by resistance R 1; The other end of sensor wire is connected by the positive input terminal of resistance R 4 with the comparer that opens circuit, and the positive input terminal of the comparer that opens circuit links to each other with the positive output end of DC/DC voltage transformation module by resistance R 3; The junction of sensor wire and resistance R 4 links to each other with the negative output terminal of the GND pin of the comparer that opens circuit and DC/DC voltage transformation module, the output pin of comparer of opening circuit links to each other with the CHTHODE input end of photoelectrical coupler with power pins, resistance R 10 is installed between the output pin and power pins of the comparer that opens circuit, the ANODE input end of photoelectrical coupler links to each other with the positive output end of DC/DC voltage transformation module by resistance R 5, and the COLLECTOR output terminal of photoelectrical coupler links to each other with the positive output end of DC/DC voltage transformation module; The warning circuit module comprises triode Q1 and relay, the base stage of triode Q1 links to each other with the EMITTER output terminal of photoelectrical coupler by resistance R 6, the emitter of triode Q1 links to each other with the negative output terminal of DC/DC voltage transformation module, be provided with resistance R 7 between the emitter of triode Q1 and the base stage, the collector of triode Q1 links to each other by the positive output end of diode with the DC/DC voltage transformation module, the collector of triode Q1 links to each other with relay coil one end, the relay coil other end links to each other with the positive output end of DC/DC voltage transformation module, output terminal one pin of relay connects the positive output end of battery module, another pin of the output terminal of relay connects emergency alarm bell and the alarm lamp of voice and acoustic-optic alarm, is provided with resistance between emergency alarm bell and the alarm lamp.
2. bridge safety warning system according to claim 1, it is characterized in that: the collector of described triode links to each other with the positive pole of diode, and the negative pole of diode links to each other with the positive output end of DC/DC voltage transformation module.
3. bridge safety warning system according to claim 1, it is characterized in that: the emergency alarm bell of described voice and acoustic-optic alarm and alarm lamp are two, be provided with resistance R 8 between first Report alarm bell and the first Report warning lamp, be provided with resistance R 9 between Secondary Report alarm bell and the Secondary Report warning lamp.
4. according to claim 1 or 3 described bridge safety warning systems, it is characterized in that: described alarm lamp is light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110020944 CN102074094B (en) | 2011-01-14 | 2011-01-14 | Security early-warning prompting system for bridges |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110020944 CN102074094B (en) | 2011-01-14 | 2011-01-14 | Security early-warning prompting system for bridges |
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| CN102074094A CN102074094A (en) | 2011-05-25 |
| CN102074094B true CN102074094B (en) | 2013-01-02 |
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| CN 201110020944 Expired - Fee Related CN102074094B (en) | 2011-01-14 | 2011-01-14 | Security early-warning prompting system for bridges |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102368343A (en) * | 2011-10-17 | 2012-03-07 | 中北大学 | Monitoring early warning device for overturning of tall object |
| CN105784007A (en) * | 2016-05-21 | 2016-07-20 | 徐洪军 | Bridge-safety early-warning system based on technology of internet of things |
| CN112731854B (en) * | 2020-02-12 | 2023-04-14 | 江西省嘉和工程咨询监理有限公司 | Bridge construction monitoring system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5479150A (en) * | 1994-05-02 | 1995-12-26 | Schmidt; Douglas L. | Bridge failure alarm |
| CN101060296A (en) * | 2006-04-18 | 2007-10-24 | 肖坚 | A solar energy generating system with the sun-facing and tracing functions |
| CN201194125Y (en) * | 2008-03-25 | 2009-02-11 | 东莞市长安镇厦岗小学 | Bridge breaking alarm device |
| TW201027467A (en) * | 2010-04-09 | 2010-07-16 | Univ Nat Central | System and method for broken bridge detection and alert |
| CN101866526A (en) * | 2010-04-27 | 2010-10-20 | 中国科学院武汉岩土力学研究所 | Method and device for traffic alarming after bridge collapse |
| CN201927154U (en) * | 2011-01-14 | 2011-08-10 | 北华航天工业学院 | Bridge safety warning system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201075083Y (en) * | 2007-09-25 | 2008-06-18 | 天地科技股份有限公司 | Sulfur hexafluoride gas concentration detecting instrument |
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2011
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5479150A (en) * | 1994-05-02 | 1995-12-26 | Schmidt; Douglas L. | Bridge failure alarm |
| CN101060296A (en) * | 2006-04-18 | 2007-10-24 | 肖坚 | A solar energy generating system with the sun-facing and tracing functions |
| CN201194125Y (en) * | 2008-03-25 | 2009-02-11 | 东莞市长安镇厦岗小学 | Bridge breaking alarm device |
| TW201027467A (en) * | 2010-04-09 | 2010-07-16 | Univ Nat Central | System and method for broken bridge detection and alert |
| CN101866526A (en) * | 2010-04-27 | 2010-10-20 | 中国科学院武汉岩土力学研究所 | Method and device for traffic alarming after bridge collapse |
| CN201927154U (en) * | 2011-01-14 | 2011-08-10 | 北华航天工业学院 | Bridge safety warning system |
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