CN110044934A - A kind of surface fracture or the detection device and its detection method of surface state variation - Google Patents
A kind of surface fracture or the detection device and its detection method of surface state variation Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
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- G08B21/185—Electrical failure alarms
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Abstract
The invention discloses the detection devices that a kind of surface fracture or surface state change, it include: signal monitoring unit, the signal monitoring unit includes that detected surface and/or neighbouring one or more electromagnetic receiving devices are arranged in, and receives the electromagnetic wave from the detected surface.The detection device and method of disclosed surface fracture or surface state variation through the invention can real-time monitor the damaged state or surface state variation on surface.
Description
Technical field
The present invention relates to surface fracture detections.Specifically, the present invention relates to a kind of surface fractures or surface state to become
The detection device and its detection method of change.
Background technique
In recent years, as the inspection well cover on urban road is damaged or missing and caused by safety accident take place frequently.Inspection well cover is logical
It is often made of materials such as metal, high-strength steel fiber reinforced concrete, regenerating resin, polymer matrix composites, for covering ground
The sewer of the public utilities such as face, the tap water of road or public area, telecommunications, electric power, combustion gas, heating power, fire-fighting, environmental sanitation
And the entrance of underground pipe network, prevent people or object from falling.The inspection well cover on ground, road or public area is one important
Presence, inspection well cover is damaged, lose or the occurrence of displacement, easily causes security hidden trouble.Since public place is lauched
Road and underground pipe network inspection well cover distributed areas are wide, and quantity is more, under current technological conditions, sewer and underground pipe network inspection well cover
It removes, is damaged and stolen, manager is difficult to find in time, tends not to take emergency measures in time, has resulted in a lot of person wounds
Die event.
Therefore, the breakage of inspection well cover is monitored, reduces road safety hidden danger, is very necessary and urgent.Ability
Domain needs a kind of novel inspection well cover breakage monitoring device and its management system and method, so as to efficient, real time monitoring basement
Manhole cover damage monitoring device state.The unusual fluctuation of inspection shaft is monitored simultaneously.
Summary of the invention
For the above-mentioned problems in the prior art, according to an aspect of the present invention, provide a kind of surface fracture or
The detection device of person's surface state variation, comprising:
Signal monitoring unit, the signal monitoring unit include setting in detected surface and/or one or more neighbouring
A electromagnetic receiving device receives the electromagnetic wave from the detected surface.The electromagnetic wave can be itself and generate, can also be with
It is one of transmission, reflection, refraction or several.
In one embodiment of the invention, the device of surface fracture detection or surface state variation further includes electromagnetism
Wave transmitting device, Xiang Suoshu detected surface emit electromagnetic wave, emit or reflect, the electromagnetism wave energy of refraction is by the electromagnetic wave
Reception device receives.
In one embodiment of the invention, electromagnetic receiving device in the detected surface or nearby with any or
The mode of person's multiple spot array arranges.
In one embodiment of the invention, the surface fracture or the detection device of surface state variation further include: broken
Damage or variation recognition unit, described damaged and variation recognition unit include register and comparator, and described damaged and variation is known
The monitoring signals of other unit periodic receipt electromagnetic receiving device, and deposit the monitoring signals being currently received and in comparator
The value of storage is compared.
Fiducial value in register can be the historical data from the currently monitored signal element, can also be by wired
Or wirelessly can be from the current data and/or historical data of multiple and different monitoring signals units from distal end, and
It can be handled with further progress statistical disposition and prediction, be such as but not limited to average, weighted average etc..
Comparator and/or register can be set in local, can also be by wired or wireless setting in distal end.
In one embodiment of the invention, described damaged and variation identification cell configuration at work in first mode,
Under first mode, described damaged and variation recognition unit obtains an electromagnetic intensity every first time, judges current electromagnetic
Whether intensity of wave and the difference of the preceding electromagnetic intensity once measured are greater than first threshold, if the difference of electromagnetic intensity is greater than first
Threshold value then triggers alarm and/or movement；If the difference of electromagnetic intensity is less than or equal to first threshold, alarm is not triggered, every
Second time sent the first data packet.
In one embodiment of the invention, the surface fracture or the detection device of surface state variation further include setting
One or more electromagnetic wave emission sources near the electromagnetic sensor, described damaged and variation identification cell configuration is at work
Make in second mode, under the second mode, opens one or more of electromagnetic wave emission sources, described damaged and variation identification is single
Member obtains an electromagnetic intensity every the third time, judge current electromagnetic intensity of wave and the preceding electromagnetic intensity once measured it
Whether difference is greater than second threshold, if the difference of electromagnetic intensity is greater than second threshold, triggers alarm and/or movement；If electric
The difference of magnetic wave intensity is less than or equal to second threshold, does not trigger alarm, sends the second data packet every the 4th time.
In one embodiment of the invention, the surface fracture or the detection device of surface state variation further include setting
Temperature sensor near the electromagnetic sensor, described damaged and variation recognition unit periodically connect from temperature sensor
Shrinkage temperature value, described damaged and variation identification cell configuration is at working in the third mode, in a third mode, described damaged and change
Change recognition unit and obtain an electromagnetic intensity every the 5th time, judges current electromagnetic intensity of wave and the preceding electromagnetism once measured
Whether the difference of intensity of wave is greater than third threshold value, if the difference of electromagnetic intensity is greater than third threshold value, triggers alarm and/or moves
Make；If the difference of electromagnetic intensity is less than or equal to third threshold value, judge current temperature value and the preceding temperature value once measured it
Whether difference is greater than the 4th threshold value, if temperature difference is greater than the 4th threshold value, alarm and/or movement is triggered, if temperature value difference
Less than or equal to the 4th threshold value, third data packet is sent every the 5th time.
According to another embodiment of the invention, a kind of method for carrying out surface fracture detection is provided, comprising:
The intensity value of the electromagnetic wave of detected surface described in periodic receipt；
The intensity value being currently received is compared with the preceding intensity value once received；
When the difference of intensity value twice is greater than first threshold, triggering alarm and/or movement；And
When the difference of intensity value twice is less than or equal to first threshold, the first data packet is sent every the second time.
In one embodiment of the invention, this method further include: time judgement is carried out, if the time falls into the first model
It encloses, then opens auxiliary selenoid wave emission source.The judgement of intensity value size is carried out to open if intensity value size falls into the first range
Open auxiliary selenoid wave emission source.
In one embodiment of the invention, this method further include: periodic receipt temperature value, when intensity value twice it
When difference is less than or equal to first threshold, Current Temperatures numerical value is compared with preceding primary received temperature value, it is warm when twice
When the difference of degree value is greater than second threshold, triggering alarm and/or movement, when the difference of temperature value twice is less than or equal to the second threshold
When value, the first data packet is sent every the second time.
Detailed description of the invention
For the above and other advantages and features for each embodiment that the present invention is furture elucidated, will be presented with reference to attached drawing
The more specific description of various embodiments of the present invention.It is appreciated that these attached drawings only describe exemplary embodiments of the invention, therefore
It is not to be regarded as being restriction on its scope.In the accompanying drawings, in order to cheer and bright, identical or corresponding component will use identical or class
As mark indicate.
Fig. 1 shows the bottom view of inspection well cover 100 according to an embodiment of the invention.
Fig. 2 shows the side views of inspection well cover 100 according to an embodiment of the invention.
Fig. 3 shows facing upward for the inspection well cover 300 according to an embodiment of the invention with electromagnetic receiving device array
View.
Fig. 4 shows the side view of inspection well cover 300 according to an embodiment of the invention.
Fig. 5 shows the sectional view of inspection well cover 100 and the borehole wall 400 according to an embodiment of the invention.
Fig. 6 shows the block diagram of surface fracture monitoring system 500 according to an embodiment of the invention.
Fig. 7 shows the block diagram of surface fracture monitoring system 600 according to an embodiment of the invention.
Fig. 8 shows the flow chart of surface fracture monitoring method according to an embodiment of the invention.
Fig. 9, which is shown, carries out surface fracture prison using temperature sensor and light intensity sensor according to one embodiment of present invention
The flow chart of the process of survey.
Figure 10 shows the main view that garbage can 900 according to an embodiment of the invention monitors dispensing port surface variation nearby
Figure.
Specific embodiment
In the following description, with reference to each embodiment, present invention is described.However, those skilled in the art will recognize
Know can in the case where none or multiple specific details or with other replacements and/or addition method, material or component
Implement each embodiment together.In other situations, well known structure, material or operation are not shown or are not described in detail in order to avoid making this
The aspects of each embodiment of invention is obscure.Similarly, for purposes of explanation, specific quantity, material and configuration are elaborated, with
Comprehensive understanding to the embodiment of the present invention is just provided.However, the present invention can be implemented in the case where no specific detail.This
Outside, it should be understood that each embodiment shown in the accompanying drawings is illustrative expression and is not drawn necessarily to scale.
In the present specification, the reference of " one embodiment " or " embodiment " is meaned to combine embodiment description
A particular feature, structure, or characteristic is included at least one embodiment of the invention.Occur in everywhere in this specification short
Language " in one embodiment " is not necessarily all referring to the same embodiment.
Fig. 1 shows the bottom view of inspection well cover 100 according to an embodiment of the invention.Fig. 2 shows according to the present invention
The side view of the inspection well cover 100 of one embodiment.As illustrated in fig. 1 and 2, inspection well cover 100 is round slab structure, inspection well cover 100
Front 110 be flat surfaces, which can have specific pattern, text or or decorative pattern.The back side of inspection well cover 100
120 is opposite with front 110, and can have one or mostly with reinforcing rib 121.Inspection well cover 100 is also passed through with one or more
Wear the hole 130 at front 110 and the back side 120.
In order to monitor inspection well cover breakage, the embodiment of the present invention proposes that installing multiple electromagnetic waves at the inspection well cover back side receives dress
Monitoring unit of the array set as inspection well cover breakage.
Fig. 3 shows facing upward for the inspection well cover 300 according to an embodiment of the invention with electromagnetic receiving device array
View.Fig. 4 shows the side view of inspection well cover 300 according to an embodiment of the invention.As shown in Figures 3 and 4, inspection well cover 300
Front 310 for round slab structure, inspection well cover 300 is flat surfaces, which can have specific pattern, text
Or or decorative pattern.The back side 320 of inspection well cover 300 and front 310 are opposite, and can have one or mostly with reinforcing rib 321.Inspection shaft
Lid 300 also has one or more holes 330 through front 310 and the back side 320.Multiple electromagnetic receiving devices 340 are with array
Mode arrange overleaf 320.
In an embodiment of the present invention, electromagnetic receiving device 340 can be visible light sensor, for detecting the back side
320 light intensity.Electromagnetic receiving device 340 can be temperature sensor, for detecting the temperature at the back side 320.
Electromagnetic receiving device 340 is connect with controller, and the signal that electromagnetic receiving device 340 detects is supplied to breakage
With variation recognition unit.
Damaged and variation recognition unit may include one or more registers and comparator.Damaged and variation recognition unit is matched
It is set to and receives the signal that electromagnetic receiving device 340 issues, and the numerical value stored in the signal and register is compared.
Damaged and variation recognition unit can be integrated in same circuit with electromagnetic receiving device 340.Of the invention
In other embodiments, damaged and variation recognition unit can be arranged in the specific position or remote server of inspection well cover, and
It is formed and is connected by wired or wireless way and electromagnetic receiving device 340.
Fig. 5 shows the inspection well cover 100 of signal monitoring unit according to an embodiment of the invention and the side of inspection shaft 400
Cross-sectional view.As shown in figure 5, inspection well cover 100 is round slab structure, cover on inspection shaft 400,401 be well seat.Optionally, cloth
Set well lid signal monitoring unit 140,141 detect inspection shaft well seat, the borehole wall surface corresponding change；Optionally, it is arranged in well
Seat, the borehole wall signal monitoring unit 410,411 detect inspection well cover surface corresponding change.In an embodiment of the present invention, electromagnetism
Wave receiving device 140,141,410,411 can be infrared light transducer[sensor.It is connect with controller, by electromagnetic receiving device 340
The signal of detection is supplied to damaged and variation recognition unit.Damaged and variation recognition unit may include one or more registers and
Comparator.The damaged signal issued with variation identification cell configuration at electromagnetic receiving device is received, and by the signal and deposit
The numerical value stored in device is compared.
When inspection well cover moves up and down, corresponding transmitting range and angle can all emit variation, when the difference of intensity value twice
When greater than some threshold value, while several reception device situations of change can be integrated, be then judged as, unusual fluctuation has occurred in inspection well cover.
Damaged and variation recognition unit can be integrated in same circuit with electromagnetic receiving device 340.Of the invention
In other embodiments, damaged and variation recognition unit can be arranged in the specific position or remote server of inspection well cover, and
It is formed and is connected by wired or wireless way and electromagnetic receiving device 340.
In fact, the signal that the present invention uses is not limited to electromagnetic wave, detects the reflection on surface and change, accordingly
Mechanical wave, gravitational wave, substance wave receiving device are all applicable.Likewise, ionising radiation, Non-ionizing radiation, heat radiation receiving
Device is also applicable.Energy transmission to the mode can be direct projection, reflection, refraction, transmission, scattering, be also possible to do
It relates to, superposition etc..
Fig. 6 shows the block diagram of surface fracture monitoring system 500 according to an embodiment of the invention.As shown in fig. 6, table
It includes signal monitoring unit 510, breakage and variation recognition unit 520 and alarm unit that face breakage monitoring, which monitors system 500,
530。
In a specific embodiment of the present invention, signal monitoring unit 510 can be arranged in one of the inspection well cover back side or
Multiple electromagnetic receiving devices.Multiple electromagnetic receiving devices can be arranged in matrix in particular order.It can be in electromagnetic wave
Nearby one or more electromagnetic wave launcher is arranged in reception device, to well lid back side emitter electromagnetic wave.Transmitting or reflection
Electromagnetism wave energy received by electromagnetic receiving device.
The signal of monitoring is periodically sent to damaged and variation recognition unit 520 by signal monitoring unit 510.It is damaged and
Changing recognition unit 520 includes register 521 and comparator 522.Damaged and variation 520 periodic receipt of recognition unit monitoring letter
Number, and the value stored in the monitoring signals being currently received and comparator 522 is compared, it is specified when the difference of the two is greater than
When threshold value, then it is damaged to judge that surface occurs, is sent warning signal by alarm unit 530 to external server.When the difference of the two
When value is less than or equal to specified threshold, then by current demand signal storage into register 521, as the basis compared next time.
For example, signal monitoring unit 510 can be visible light sensor.Damaged and variation recognition unit 520 is periodically
The intensity for receiving visible light, the value stored in current light intensity value and register is compared.Usually during the day, inside and outside inspection shaft
Light intensity there are significant differences, when well lid is intact, the difference of the value stored in current light intensity value and register is varied less,
It is stored in register less than threshold value, and by current light intensity value as the basis compared next time.And when manhole cover damage, inspection shaft
Interior light intensity can increase suddenly, and the difference of the value stored in current light intensity value and register at this time is more than threshold value, damaged and variation
Recognition unit 520 sends alarm to server.
In the case where night, one or more light sources can be set near visible light sensor.Inside and outside inspection shaft
There are significant differences for light intensity, and when well lid is intact, the difference of the value stored in current light intensity value and register is varied less, small
It is stored in register in threshold value, and by current light intensity value as the basis compared next time.And when manhole cover damage, in inspection shaft
Light intensity can reduce suddenly, the difference of the value stored in current light intensity value and register at this time is more than threshold value, and damaged and variation is known
Other unit 520 sends alarm to server.
Surface fracture monitoring system 500 may also include power supply 540.Power supply 540 can be 3-12V battery.Surface fracture prison
Examining system is energy conserving system, under normal circumstances, battery lasts are powered 3 years or more.
Fig. 7 shows the block diagram of surface fracture monitoring system 600 according to an embodiment of the invention.As shown in fig. 7, table
It includes signal monitoring unit 610, alarm unit 620 and power supply 630 that face breakage monitoring, which monitors system 600,.Signal monitoring unit
610 periodically send external device (ED) or remote server by alarm unit 620 for monitoring signals.Power supply 530 can be
3-12V battery.It is energy conserving system that surface fracture, which monitors system, under normal circumstances, battery lasts are powered 3 years or more.Outside dress
Set or remote server monitoring signals are judged based on the received.
Next, detailed description carries out surface fracture monitoring using surface fracture detection system of the invention with reference to Fig. 8
Process.Fig. 8 shows the flow chart of surface fracture monitoring method according to an embodiment of the invention.Implementation shown in Fig. 8
In example, signal monitoring unit is light intensity sensor.Firstly, carrying out time judgement in step 710.If the time falls into 5:30-
19:00 then enters day mode 720；If the time falls into 19:00-5:30, into night mode 730.It can be according to different seasons
Section, changes the time interval of day and night.
Under day mode 720, in step 721, a light intensity value In is obtained every first time, wherein n is from 1 to N
Integer.For example, can be 1 minute at the first time.
In step 722, △ I=I is judgedi+1- IiWhether first threshold T is greater than.First threshold T can be determined by.
If △ I=Ii+1- IiGreater than first threshold T, then in step 723, triggering alarm A1.
If △ I=Ii+1- IiLess than or equal to first threshold T, in step 724, alarm is not triggered, every the second time
Send data packet H1.Second time can be 5 minutes.
Under night mode 730, in step 731, a light intensity value In is obtained every the third time, wherein n is from 1 to N
Integer.For example, the third time can be 1.5 minutes.In a specific embodiment of the present invention, it can be opened under night mode
Light source.
In step 732, △ I=I is judgedi+1- IiWhether second threshold T is greater than.Second threshold T can be determined by.
If △ I=Ii+1- IiGreater than second threshold T, then in step 733, triggering alarm A1.
If △ I=Ii+1- IiLess than or equal to second threshold T, in step 734, alarm is not triggered, every the 4th time
Send data packet H1.4th time can be 5.5 minutes.
When using surface fracture detection system disclosed by the invention for the first time, Validation Mode can be carried out first.In verifying mould
Under formula, to avoid light deviation from interfering, for the first time in use, lighting secondary light source, light sensation I is testedN, as judging benchmark.Test
Light sensation INt, and and INCompare.If | INt- IN| > threshold value sounds an alarm.
The embodiment of the present invention is described by taking inspection well cover as an example above, however, it should be appreciated by those skilled in the art this
Invention applies also for the damage testing of other surfaces, for example, the system and method for disclosure of the invention can be used for seal box (packet
Vanning, incubator etc.) outer wall damage testing, door damage testing.
When using the solution of the present invention detection incubator, signal monitoring unit can be temperature sensor.Control unit
Periodic receipt temperature signal.There are significant differences for temperature inside and outside incubator, when incubator is intact, Current Temperatures with post
The difference of the value stored in storage varies less, and is less than threshold value, and Current Temperatures are stored in register as comparing next time
Compared with basis.And when keeping the temperature case broken, the temperature in incubator understands suddenly change, stores in Current Temperatures and register at this time
Value difference be more than threshold value, control unit to server send alarm.
In a specific embodiment of the present invention, temperature sensor and light intensity sensor can be combined as signal monitoring list
Member.Fig. 9, which is shown, carries out surface fracture monitoring using temperature sensor and light intensity sensor according to one embodiment of present invention
The flow chart of process.
Firstly, carrying out time judgement in step 810.If the time falls into 5:30-19:00, enter day mode
820；If the time falls into 19:00-5:30, into night mode 830.Can according to Various Seasonal, change day and night when
Between section.
Under day mode 820, in step 821, a light intensity value In is obtained every first time, wherein n is from 1 to N
Integer.For example, can be 1 minute at the first time.
In step 822, △ I=I is judgedi+1- IiWhether first threshold T is greater than.First threshold T can be determined by.
If △ I=Ii+1- IiGreater than first threshold T, then in step 823, triggering alarm A1.
If △ I=Ii+1- IiLess than or equal to first threshold T, in step 824, alarm is not triggered, every the second time
Send out a data packet H1.Second time can be 5 minutes.
Under night mode 830, by light intensity sensing in conjunction with temperature sensing, in step 831, one is obtained every the third time
Secondary light intensity value In and temperature value tn, wherein n is the integer from 1 to N.For example, the third time can be 1.5 minutes.In the present invention
Specific embodiment in, can under night mode, open light source.
In step 832, △ I=I is judgedi+1- IiWhether second threshold T is greater than.Second threshold T can be determined by.
If △ I=Ii+1- IiGreater than second threshold T, then in step 833, triggering alarm A1.
If △ I=Ii+1- IiTemperature gap △ t=t is judged in step 834 less than or equal to second threshold Ti+1- ti
Whether third threshold value T is greater than.Third threshold value T can be determined by.If temperature gap △ t is less than or equal to third threshold value,
Then in step 835, a data packet H1 is sent out every the second time.Second time can be 5.5 minutes.If temperature gap △ t is big
In third threshold value, then in step 836, sound an alarm.
When using surface fracture detection system disclosed by the invention for the first time, Validation Mode can be carried out first.In verifying mould
Under formula, to avoid light deviation from interfering, for the first time in use, lighting secondary light source, light sensation I is testedN, as judging benchmark.Test
Light sensation INt, and and INCompare.If | INt- IN| > threshold value sounds an alarm.
In embodiment shown in Fig. 9, under night mode, temperature sensor and optical sensor is combined and carry out damaged inspection
It surveys.It should be appreciated by those skilled in the art, the scope of protection of the present invention is not limited to this, in other embodiments of the invention,
Can temperature sensor and optical sensor be combined and carry out damage testing in daytime mode.Alternatively, surface fracture monitoring can be with
Only there is a kind of operating mode.
Figure 10 shows the main view that garbage can 900 according to an embodiment of the invention monitors dispensing port surface variation nearby
Figure.As shown in Figure 10, garbage can 900, garbage throw-in port 901.Optionally, signal monitoring is disposed with above garbage throw-in port 901
Unit 911, to monitor garbage throw-in port downside and/or the variation on surface 912 nearby；Optionally, on the right side of garbage throw-in port 901
It is disposed with signal monitoring unit 921, to monitor garbage throw-in port downside and/or the variation on surface 922 nearby.By monitoring 912,
922 variation can substantially judge the current event of garbage throw-in port.
For example, signal monitoring unit 911,921 can be visible light sensor；It, can be visible in the case where night
One or more light sources are set near optical sensor.Damaged and variation recognition unit periodically receives the intensity of visible light,
The value stored in current light intensity value and register is compared.When garbage throwing, then corresponding surface 912 and/or surface
922 light intensity differences have been more than threshold value；Then system may determine that launches for rubbish, can issue the audible and visible alarm of difference, or hold
The relevant action that the suitable rubbish of row is launched, such as opens dispensing port.After dispensing, then corresponding surface 912 and/or surface
922 light intensity differences are restored in threshold value, and in conjunction with the reasonable time that rubbish is launched, then system may determine that terminates for rubbish dispensing,
The audible and visible alarm of difference can be issued, or executes the relevant action for terminating rubbish dispensing, such as closes dispensing port.Such as corresponding table
Face 912 and/or 922 light intensity difference of surface have been more than threshold value, far more than rubbish launch reasonable time, then system may determine that for
Dispensing port is blocked, and can issue the audible and visible alarm of difference, or executes the relevant action of cleaning blocking rubbish.Such as corresponding table
912 light intensity difference of face has been more than threshold value and 922 light intensity difference of surface has been less than threshold value, in conjunction with rubbish launch reasonable time,
Then system may determine that defaced to launch discharge surface 912, can issue the audible and visible alarm of difference, or execute cleaning dispensing port
The relevant action on surface.
Damaged and variation recognition unit can be integrated in same circuit with electromagnetic receiving device 911,921.In this hair
In bright other embodiments, damaged and variation recognition unit can be arranged in the specific position or remote server of garbage can
End, and formed and connected by wired or wireless way and electromagnetic receiving device 911,921.
In fact, monitoring object of the invention is not limited to garbage can, it is also not necessarily limited to rectangular；The garbage throw-in port side of being also not necessarily limited to
Shape, round or other shapes are all that can be applicable in；Monitoring surface is also not necessarily limited to side, and top, bottom or other surfaces are all
It is possible.
In fact, the signal that the present invention uses is not limited to electromagnetic wave, detects the reflection on surface and change, accordingly
Mechanical wave, gravitational wave, substance wave receiving device are all applicable.Likewise, ionising radiation, Non-ionizing radiation, heat radiation receiving
Device is also applicable.Energy transmission to the mode can be direct projection, reflection, refraction, transmission, scattering, be also possible to do
It relates to, superposition etc..
The detection device and method of disclosed surface fracture or surface state variation through the invention can supervise in real time
Warning information is sent to server or remote control terminal by alarm unit by the damaged state for measuring surface in real time, is realized
The real-time online monitoring of surface fracture or state change situation.And generalized time or other factors judge the hair of event
It is raw.
Although described above is various embodiments of the present invention, however, it is to be understood that they are intended only as example to present
, and without limitation.For those skilled in the relevant art it is readily apparent that various combinations, modification can be made to it
Without departing from the spirit and scope of the invention with change.Therefore, the width of the invention disclosed herein and range should not be upper
It states disclosed exemplary embodiment to be limited, and should be defined according only to the appended claims and its equivalent replacement.
Claims (14)
1. a kind of surface fracture or the detection device of surface state variation, comprising:
Signal monitoring unit, the signal monitoring unit include that detected surface and/or neighbouring one or more is arranged in
Electromagnetic receiving device, receive the electromagnetic wave from the detected surface, wherein the electromagnetic wave be itself generate, transmission,
One of reflection, refraction are several.
2. the device of surface fracture detection as described in claim 1 or surface state variation, which is characterized in that further include electricity
Magnetic wave emitter, Xiang Suoshu detected surface emit electromagnetic wave, emit or reflect, the electromagnetism wave energy of refraction is by the electromagnetism
Wave receiving device receives.
3. surface fracture as described in claim 1 or the detection device of surface state variation, which is characterized in that electromagnetic wave connects
Receiving apparatus is arranged in the detected surface and/or nearby in a manner of any or multiple spot array.
4. surface fracture as described in claim 1 or the detection device of surface state variation, which is characterized in that further include:
Damaged or variation recognition unit, described damaged and variation recognition unit include register and comparator, described damaged and variation
The monitoring signals of recognition unit periodic receipt electromagnetic receiving device, and by the value of the monitoring signals being currently received and storage
It is compared.
5. surface fracture as claimed in claim 4 or the detection device of surface state variation, which is characterized in that in register
Fiducial value come from the currently monitored signal element historical data, by it is wired or wirelessly from distal end or come from
The current data and/or historical data of multiple and different monitoring signals units, and described damaged or variation recognition unit carries out
Statistical disposition and prediction processing.
6. surface fracture as claimed in claim 4 or the detection device of surface state variation, which is characterized in that comparator
And/or register setting is locally and/or by wired or wireless setting in distal end.
7. the detection device of surface fracture or surface state variation as described in claim 4,5,6, which is characterized in that described
Damaged and variation identification cell configuration is at work in first mode, and in the flrst mode, described damaged and variation recognition unit is every
An electromagnetic intensity is obtained every first time, judges that the difference of current electromagnetic intensity of wave and the preceding electromagnetic intensity once measured is
It is no to be greater than first threshold, if the difference of electromagnetic intensity is greater than first threshold, trigger alarm and/or movement；If electromagnetic wave
The difference of intensity is less than or equal to first threshold, does not trigger alarm, sends the first data packet every the second time.
8. the detection device of surface fracture or surface state variation as described in claim 4,5,6, which is characterized in that also wrap
The one or more electromagnetic wave emission sources being arranged near the electromagnetic sensor are included, described damaged and variation recognition unit is matched
Work is set in second mode, under the second mode, opens one or more of electromagnetic wave emission sources, described damaged and variation
Recognition unit obtains an electromagnetic intensity every the third time, judges current electromagnetic intensity of wave and the preceding electromagnetic wave once measured
Whether the difference of intensity is greater than second threshold, if the difference of electromagnetic intensity is greater than second threshold, triggers alarm and/or movement；
If the difference of electromagnetic intensity is less than or equal to second threshold, alarm is not triggered, sends the second data packet every the 4th time.
9. the detection device of surface fracture or surface state variation as described in claim 4,5,6,7, which is characterized in that also
Including the temperature sensor near the electromagnetic sensor, the breakage and variation recognition unit is arranged in from temperature sensor
Periodic receipt temperature value, described damaged and variation identification cell configuration at work in the third mode, it is in a third mode, described
Damaged and variation recognition unit obtains an electromagnetic intensity every the 5th time, judges current electromagnetic intensity of wave and preceding primary survey
Whether the difference of the electromagnetic intensity obtained is greater than third threshold value, if the difference of electromagnetic intensity is greater than third threshold value, triggers alarm
And/or movement；If the difference of electromagnetic intensity is less than or equal to third threshold value, current temperature value and the preceding temperature once measured are judged
Whether the difference of angle value is greater than the 4th threshold value, if temperature difference is greater than the 4th threshold value, alarm and/or movement is triggered, if warm
Angle value difference is less than or equal to the 4th threshold value, sends third data packet every the 5th time.
10. a kind of method for carrying out surface fracture detection and/or surface state variation monitoring, comprising:
The intensity value of the electromagnetic wave of detected surface described in periodic receipt；
The intensity value being currently received is compared with the preceding intensity value once received；
When the difference of intensity value twice is greater than first threshold, triggering alarm and/or movement；And
When the difference of intensity value twice is less than or equal to first threshold, the first data packet is sent every the second time.
11. method as claimed in claim 10, which is characterized in that further include: time and/or the judgement of intensity value size are carried out,
If time and/or intensity value size fall into the first range, auxiliary selenoid wave emission source is opened.
12. method as claimed in claim 10, which is characterized in that further include: periodic receipt temperature value, when intensity twice
When the difference of value is less than or equal to first threshold, Current Temperatures numerical value is compared with preceding primary received temperature value, when two
When the difference of secondary temperature value is greater than second threshold, triggering alarm and/or movement, when the difference of temperature value twice is less than or equal to the
When two threshold values, the first data packet is sent every the second time.
13. the detection device and such as claim 10 of surface fracture or surface state variation as described in claim 1 to 9
It is completed to the 12 surface fracture detections and/or the method for surface state variation monitoring, the alarm by alarm unit, institute
Alarm unit setting is stated in local or distal end, the caution signal be one of sound, color break-up, short message, low and high level or
Person is several；And/or execute corresponding state action.
14. a kind of dustbin, comprising: garbage throw-in port；And
Be arranged in the top of garbage throw-in port and/or the surface fracture as claimed in any one of claims 1-9 wherein of side or
The detection device of surface state variation.
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Application publication date: 20190723 |