CN104821054A - Double-monitoring detection system and monitoring method thereof - Google Patents
Double-monitoring detection system and monitoring method thereof Download PDFInfo
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- CN104821054A CN104821054A CN201510237004.6A CN201510237004A CN104821054A CN 104821054 A CN104821054 A CN 104821054A CN 201510237004 A CN201510237004 A CN 201510237004A CN 104821054 A CN104821054 A CN 104821054A
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- microwave remote
- remote sensor
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- chip microcomputer
- monitoring
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 46
- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 5
- 230000035945 sensitivity Effects 0.000 claims description 13
- 238000004458 analytical method Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000011896 sensitive detection Methods 0.000 claims description 3
- 230000035515 penetration Effects 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
- G08B13/2494—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field by interference with electro-magnetic field distribution combined with other electrical sensor means, e.g. microwave detectors combined with other sensor means
Abstract
The invention relates to a monitoring system, and provides a double-monitoring detection system and a monitoring method thereof. The system is simple in structure, reduces false alarm and false dismissal probability, and automatically adjusts monitoring methods according to environment variation. The system comprises an infrared sensor, a microwave sensor, a single-chip microcomputer, an alarm output module, a power module, a temperature sensor, a control panel, a potentiometer, an operational amplifier, and a metal shielding cavity. The single-chip microcomputer is connected with the operational amplifier. The operational amplifier is also connected with the potentiometer, the infrared sensor, and the microwave sensor. The control panel and the temperature sensor are connected with the input ends of the single-chip microcomputer. The method comprises: step 1, installing the double-monitoring detection system on a monitoring region to detect; step 2, adjusting monitoring ranges of the infrared sensor and the microwave sensor, so that the monitoring ranges being matched with actually needed monitoring ranges; step 3, through the temperature sensor sensing ambient temperature, using the infrared sensor and the microwave sensor in a switchover manner to detect at the same time or using a single microwave sensor to detect.
Description
Technical field
The present invention relates to supervisory system, particularly a kind of two prison detection system and monitoring method thereof.
Background technology
In recent years, along with the develop rapidly of electron trade, Indoor Monitoring System is widely used.Detector is the core of Indoor Monitoring System, and its performance is directly connected to the quality of Indoor Monitoring System performance.Scientific research shows, the human body detection sensitivity of infrared sensor to transverse movement is higher, but poor to the human body detection sensitivity of radial motion, and easily influenced by ambient temperature, is easily blocked; Microwave remote sensor reliability is strong, and penetrability is strong, higher to the human body detection sensitivity of radial motion, but poor to the human body detection sensitivity of transverse movement.Indoor Monitoring System of the prior art normally adopts merely infrared sensor or microwave remote sensor as sniffer.Therefore, although the sniffer of this employing single detector can complete general monitoring work, its requirement can't be met for for accuracy and the higher user of reliability requirement.Chinese Patent Application No.: 201410555035.1, disclose a kind of Indoor Monitoring System based on infrared microwave sensor, this system comprises Passive Infrared Sensor, microwave remote sensor, infrared signal processing circuit, microwave signal process circuit, microprocessor and video monitoring apparatus.By Passive Infrared Sensor and microwave remote sensor being combined, compensate for the defect only adopting single detector, mistake when reducing detector alarm is warned and false dismissal probability, improves accuracy and the reliability of Indoor Monitoring System work.But use through reality and find, there is very large leak in the detection method of this kind of two prison detector, it needs two sensing units to trigger just output simultaneously, and the body temperature of people mainly responded to by infrared sensor, affect by factors such as temperature limitings, can cause not triggering, as human body can shorten detection range etc. greatly across things such as glass or when environment temperature reaches about 37 degree, make infrared sensor to trigger output, thus make current two prison detectors occur false dismissal under these conditions.
Summary of the invention
Therefore, for above-mentioned problem, the present invention propose a kind of structure simple, reduce two prison detection system of adjustment monitoring mode and the monitoring method thereof automatically of alert and false dismissal probability, environmentally change by mistake.
For solving this technical matters, the present invention takes following scheme: a kind of two prison detection system, comprise infrared sensor, microwave remote sensor, single-chip microcomputer, alarm output module and power module, also comprise temperature sensor, control panel, potentiometer, operational amplifier and metallic shield cavity, described single-chip microcomputer is connected with operational amplifier, described operational amplifier also respectively with potentiometer, infrared sensor is connected with microwave remote sensor, described power module respectively with microcontroller power supply end, the power end of microwave remote sensor is connected with operational amplifier power end, described single-chip microcomputer output terminal is connected with the power end of microwave remote sensor, described single-chip microcomputer output terminal is also connected with alarm output module, described control panel and temperature sensor are all connected with single-chip microcomputer input end, described metallic shield cavity comprises a metal cavitg and is located in cavity the baffle mechanism that can control to adjust cavity accent degree of opening wide, described metallic shield cavity is located at microwave remote sensor front for adjusting the microwave supervisory sector region both sides width of microwave remote sensor.
Further, described control panel comprises multiple skip key cap, and skip key cap described in each is all connected with single-chip microcomputer and is respectively used to adjust microwave remote sensor sensitivity and arranges the monitoring mode that whole detection system runs.
Further, described microwave remote sensor is radar type microwave remote sensor.
Further, also comprise breaking-proof switch, described breaking-proof switch is connected with single-chip microcomputer input end.
Based on a monitoring method for above-mentioned two prison detection system, the method comprises the steps:
Step 1, is installed on monitored area by two prison detection system and detects;
Step 2, adjustment microwave remote sensor monitoring range to matching with actual monitoring scope, namely by the launch monitor distance of potentiometer adjustment microwave remote sensor, by metallic shield cavity adjustment microwave remote sensor monitor the both sides width of sector region;
Step 3, by temperature sensor senses environment temperature, when environment temperature is less than T DEG C, adopt infrared sensor and microwave remote sensor to detect simultaneously, and the result of detection of sensor input single-chip microcomputer is carried out logic analysis and calculation process, if now infrared sensor and microwave remote sensor trigger simultaneously, by alarm output module output alarm signal, otherwise not output alarm signal; When environment temperature is more than or equal to T DEG C, then single-chip microcomputer automatic switchover detection mode, single microwave remote sensor is adopted to detect guarded region, the detecting structure input single-chip microcomputer of microwave remote sensor carries out logic analysis and calculation process, if the now double above triggering of microwave remote sensor, by alarm output module output alarm signal, otherwise not output alarm signal, temperature T span is 29-37 DEG C.
Further, the sensitive detection mode of multiple microwave remote sensor is also set by control panel in described step 2, makes microwave remote sensor different microwave remote sensor sensitivity can be adopted to detect according to the adjustment of monitored area environment difference.
Further, in described step 3 when monitoring mode switch to single microwave remote sensor detect time, single-chip microcomputer automatically identify filter microwave remote sensor monitor some small articles or toy moves and radio interference produce the narrower fluctuation of wave peak width.
By adopting preceding solution, the invention has the beneficial effects as follows: by the launch monitor distance of positioner control microwave remote sensor, by metallic shield cavity adjustment microwave remote sensor monitor the both sides width of sector region, thus the monitoring range of microwave remote sensor and required monitored area are matched, open temp sensor sensing environment temperature, automatically switched by single-chip microcomputer and adopt infrared sensor and microwave remote sensor to detect simultaneously or adopt single microwave remote sensor to detect guarded region, solve the infrared sensor existed in existing two prison detection system influenced by ambient temperature, and microwave penetration produces the problem of wrong report, thus make two prison detection system of the present invention greatly reduce alert and false dismissal probability by mistake, environmentally can change simultaneously and automatically adjust monitoring mode, and can match with it according to needing monitored area large freedom in minor affairs adjustment monitoring range, can unify to be applied to indoor and outdoor, warehouses etc. are multiple needs guarded region, applicability is strong, structure is simple, cost is low.
Accompanying drawing explanation
Fig. 1 is the functional-block diagram of the embodiment of the present invention.
Embodiment
Now the present invention is further described with embodiment by reference to the accompanying drawings.
With reference to figure 1, two prison detection system of the present invention, comprise infrared sensor 1, microwave remote sensor 2, single-chip microcomputer 3, alarm output module 4, power module 5, temperature sensor 6, control panel 7, potentiometer 8, operational amplifier 9, breaking-proof switch 10 and metallic shield cavity, described single-chip microcomputer 3 is connected with operational amplifier 9, described operational amplifier 9 also respectively with potentiometer 8, infrared sensor 1 is connected with microwave remote sensor 2, described power module 5 respectively with single-chip microcomputer 3 power end, the power end of microwave remote sensor 2 is connected with operational amplifier 9 power end, described single-chip microcomputer 3 output terminal is connected with the power end of microwave remote sensor 2 and carries out pulsed to microwave remote sensor 2 power for controlling power module 5, described single-chip microcomputer 3 output terminal is also connected with alarm output module 4, described control panel 7 and temperature sensor 6 are all connected with single-chip microcomputer 3 input end, described metallic shield cavity comprises a metal cavitg and is located in cavity the baffle mechanism that can control to adjust cavity accent degree of opening wide, the handle that this baffle mechanism can be communicated with shell manually stretches the unlimited degree of adjustment cavity accent, described metallic shield cavity is located at microwave remote sensor front for adjusting the microwave supervisory sector region both sides width of microwave remote sensor, described control panel 7 comprises multiple skip key cap, skip key cap described in each is all connected with single-chip microcomputer 3 and is respectively used to adjust microwave remote sensor sensitivity and control running mode switching, namely one of them skip key cap is connected for adjusting microwave remote sensor 2 sensitivity with single-chip microcomputer 3, the sensitivity of microwave remote sensor 2 is divided into three levels, by the changeable detection sensitivity with needing the environment facies of monitored area to mate of this skip key cap, also a skip key cap is connected with single-chip microcomputer 3 monitoring mode run for controlling and arrange whole detection system, described microwave remote sensor 2 is radar type microwave remote sensor, described breaking-proof switch 10 is connected with single-chip microcomputer 3 input end trigger alarm when being disassembled for two prison detection system.
Based on a monitoring method for above-mentioned two prison detection system, the method comprises the steps:
Step 1, is installed on monitored area by two prison detection system and detects;
Step 2, the monitoring range of adjustment microwave remote sensor is to matching with actual monitoring scope, namely by the launch monitor distance of positioner control microwave remote sensor, by metallic shield cavity adjustment microwave remote sensor monitor the both sides width of sector region, the sensitive detection mode of multiple microwave remote sensor is set by control panel, makes microwave remote sensor different microwave remote sensor sensitivity can be adopted to detect according to the adjustment of monitored area environment difference;
Step 3, by temperature sensor senses environment temperature, when environment temperature is less than 33 DEG C, adopt infrared sensor and microwave remote sensor to detect simultaneously, and the detecting structure of two detectors input single-chip microcomputer is carried out logic analysis and calculation process, if now infrared sensor and microwave remote sensor trigger simultaneously, by alarm output module output alarm signal, otherwise not output alarm signal, when environment temperature is more than or equal to 33 DEG C be, then single-chip microcomputer automatic switchover detection mode, single microwave remote sensor is adopted to detect guarded region, the detecting structure input single-chip microcomputer of microwave remote sensor carries out logic analysis and calculation process, if the now double above triggering of microwave remote sensor, by alarm output module output alarm signal, otherwise not output alarm signal, when monitoring mode switch to single microwave remote sensor detect time, single-chip microcomputer automatically identify filter microwave remote sensor monitor some small articles or toy moves and radio interference produce the narrower fluctuation of wave peak width.
In the present invention, metallic shield cavity can also be that other are as the structure formed along the metal shielding board of axle rotation by two pieces, by adjusting sector region twice sector widths that two pieces of barricade adjustment microwave remote sensors detect, and single-chip microcomputer switches detection mode time institute according to temperature also adjustable, design temperature sensor-triggered temperature is that T DEG C, temperature T are advisable with 29-37 DEG C.
The present invention is by the launch monitor distance of positioner control microwave remote sensor, by metallic shield cavity adjustment microwave remote sensor monitor the both sides width of sector region, thus the monitoring range of microwave remote sensor and required monitored area are matched, open temp sensor sensing environment temperature, automatically switched by single-chip microcomputer and adopt infrared sensor and microwave remote sensor to detect simultaneously or adopt single microwave remote sensor to detect guarded region, solve the infrared sensor existed in existing two prison detection system influenced by ambient temperature, and microwave penetration produces the problem of wrong report, thus make two prison detection system of the present invention greatly reduce alert and false dismissal probability by mistake, environmentally can change simultaneously and automatically adjust monitoring mode, and can match with it according to needing monitored area large freedom in minor affairs adjustment monitoring range, can unify to be applied to indoor and outdoor, warehouses etc. are multiple needs guarded region, applicability is strong, structure is simple, cost is low.
Although specifically show in conjunction with preferred embodiment and describe the present invention; but those skilled in the art should be understood that; not departing from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (7)
1. a two prison detection system, comprise infrared sensor, microwave remote sensor, single-chip microcomputer, alarm output module and power module, it is characterized in that: also comprise temperature sensor, control panel, potentiometer, operational amplifier and metallic shield cavity, described single-chip microcomputer is connected with operational amplifier, described operational amplifier also respectively with potentiometer, infrared sensor is connected with microwave remote sensor, described power module respectively with microcontroller power supply end, the power end of microwave remote sensor is connected with operational amplifier power end, described single-chip microcomputer output terminal is connected with the power end of microwave remote sensor, described single-chip microcomputer output terminal is also connected with alarm output module, described control panel and temperature sensor are all connected with single-chip microcomputer input end, described metallic shield cavity comprises a metal cavitg and is located in cavity the baffle mechanism that can control to adjust cavity accent degree of opening wide, described metallic shield cavity is located at microwave remote sensor front for adjusting the microwave supervisory sector region both sides width of microwave remote sensor.
2. two prison detection system according to claim 1, it is characterized in that: described control panel comprises multiple skip key cap, skip key cap described in each is all connected with single-chip microcomputer and is respectively used to adjust microwave remote sensor sensitivity and control and arranges the monitoring mode that whole detection system runs.
3. two prison detection system according to claim 1 and 2, is characterized in that: described microwave remote sensor is radar type microwave remote sensor.
4. two prison detection system according to claim 1, it is characterized in that: also comprise breaking-proof switch, described breaking-proof switch is connected with single-chip microcomputer input end.
5., based on a monitoring method for the two prison detection systems described in the claims 1-5, it is characterized in that: the method comprises the steps:
Step 1, is installed on monitored area by two prison detection system and detects;
Step 2, adjustment microwave remote sensor monitoring range to matching with actual monitoring scope, namely by the launch monitor distance of potentiometer adjustment microwave remote sensor, by metallic shield cavity adjustment microwave remote sensor monitor the both sides width of sector region;
Step 3, by temperature sensor senses environment temperature, when environment temperature is less than T DEG C, adopt infrared sensor and microwave remote sensor to detect simultaneously, and the result of detection of sensor input single-chip microcomputer is carried out logic analysis and calculation process, if now infrared sensor and microwave remote sensor trigger simultaneously, by alarm output module output alarm signal, otherwise not output alarm signal; When environment temperature is more than or equal to T DEG C, then single-chip microcomputer automatic switchover detection mode, single microwave remote sensor is adopted to detect guarded region, the detecting structure input single-chip microcomputer of microwave remote sensor carries out logic analysis and calculation process, if the now double above triggering of microwave remote sensor, by alarm output module output alarm signal, otherwise not output alarm signal, temperature T span is 29-37 DEG C.
6. the monitoring method of two prison detection system according to claim 5, it is characterized in that: the sensitive detection mode that multiple microwave remote sensor is also set by control panel in described step 2, make microwave remote sensor different microwave remote sensor sensitivity can be adopted to detect according to the adjustment of monitored area environment difference.
7. the monitoring method of two prison detection system according to claim 5, it is characterized in that: in described step 3 when monitoring mode switch to single microwave remote sensor detect time, single-chip microcomputer automatically identify filter microwave remote sensor monitor some small articles or toy moves and radio interference produce the narrower fluctuation of wave peak width.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510237004.6A CN104821054B (en) | 2015-05-11 | 2015-05-11 | A kind of double prison detection systems and its monitoring method |
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| CN201510237004.6A CN104821054B (en) | 2015-05-11 | 2015-05-11 | A kind of double prison detection systems and its monitoring method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106531191A (en) * | 2015-09-10 | 2017-03-22 | 百度在线网络技术（北京）有限公司 | Method and device for providing danger report information |
| CN107707634A (en) * | 2017-09-20 | 2018-02-16 | 上海移为通信技术股份有限公司 | To the illegal dismounting identifying system of product and its method |
| EP3528224A1 (en) | 2018-02-16 | 2019-08-21 | Euro Protection Surveillance (Société par Actions Simplifiée) | Device and method for detecting presence and/or movement by infrared measurement |
| CN112731375A (en) * | 2020-12-11 | 2021-04-30 | 北京龙飞船科技有限公司 | Area detector capable of automatically adjusting sensitivity according to environmental change and method thereof |
| KR20220028410A (en) * | 2020-08-28 | 2022-03-08 | 주식회사 케이 엠 티 | Sensor control apparatus and control method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106531191A (en) * | 2015-09-10 | 2017-03-22 | 百度在线网络技术（北京）有限公司 | Method and device for providing danger report information |
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| CN112731375A (en) * | 2020-12-11 | 2021-04-30 | 北京龙飞船科技有限公司 | Area detector capable of automatically adjusting sensitivity according to environmental change and method thereof |
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| CN104821054B (en) | 2017-03-15 |
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