CN204833610U - Highway tunnel face mud -rock flow, mountain landslide early warning, alarm system - Google Patents
Highway tunnel face mud -rock flow, mountain landslide early warning, alarm system Download PDFInfo
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- CN204833610U CN204833610U CN201520550044.1U CN201520550044U CN204833610U CN 204833610 U CN204833610 U CN 204833610U CN 201520550044 U CN201520550044 U CN 201520550044U CN 204833610 U CN204833610 U CN 204833610U
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Abstract
The utility model discloses a highway tunnel face mud -rock flow, mountain landslide early warning, alarm system, it includes the waterproof corrosion -resistant encapsulation box of detachable, system dirver circuit board, displacement sensor, capacitanc mud position sensor, GPS location sending module, 1LED alarm display screen, 1 audio alert ware, 2LED alarm display screen and 2 audio alert ware, has placed the dirver circuit board of system at the shell intracavity of waterproof corrosion -resistant encapsulation box. The utility model discloses not only can carry out the early warning when tunnel face mud -rock flow or mountain landslide are about to take place, remind the driver carefully to drive a vehicle, can also take place to report to the police to the vehicle when tunnel face is blockked up at mud -rock flow or mountain landslide, avoid the vehicle to hit the tunnel face into being blockked up to reminding another the extra -oral driver in tunnel of tunnel don't get into the tunnel, reporting to the police to the traffic department simultaneously, the tunnel that feasible quilt stopped up is in time dredged, and highway's transportation fast can normal operating.
Description
Technical field
The utility model relates to panalarm, especially relates to a kind of freeway tunnel mouth rubble flow, landslide early-warning, warning system.
Background technology
Due to the fast development of highway, highway needs to cut-off, and makes very long sky way into directly pass through massif tunnel, so not only saves running time, reduce oil consumption, and security also greatly improves, so the tunnel built gets more and more.But, the existence in tunnel is faced with again much potential disaster, under tunnel is generally in massif, construction due to tunnel causes the damage of massif structure, add massif and easily cause rubble flow because of washing away all the year round of heavy rain, the generation of disaster of mountain massif coast, and make massif soil plug tunnel portal, because turnpike driving speed is fast, driver does not easily notice that Tunnel ahead mouth is blocked, cause the generation causing rear-end collision accident to just braking in a hurry during tunnel face, and when this tunnel face is blocked, vehicle is still had to enter tunnel in the tunnel face of other end, tunnel, because the light in tunnel is natively bad when entering, add blocking, whether that more cannot see tunnel face clearly blocked, so also easily cause traffic hazard, a chain of car also can be caused time serious to hit, cause great personal damage and economic loss, and freeway tunnel mouth generation rubble flow, landslide and traffic department carry out the words processed not in time, traffic can be caused to paralyse for a long time, heavy losses are caused to national economy.
The technology detecting rubble flow and report to the police is there is in prior art, but there is not early warning to rubble flow, landslide and coefficient device of reporting to the police at freeway tunnel mouth, namely do not exist be about to when occurring, to carry out early warning to rubble flow or landslide and when rubble flow or landslide occur to vehicle especially to the device that traffic department reports to the police.Because the status of highway in the national economic development is increasingly important, therefore, be badly in need of introducing and a kind ofly can be about to report to the police to car when there is rubble flow or landslide at freeway tunnel mouth thus reach the object of rubble flow, landslide being carried out to early warning, again can at freeway tunnel mouth by the system reported to the police to car and traffic department when rubble flow or landslide blocking.
Summary of the invention
The purpose of this utility model is to provide a kind of freeway tunnel mouth rubble flow, landslide early-warning, warning system.
The purpose of this utility model is achieved in that
A kind of freeway tunnel mouth rubble flow, landslide early-warning, warning system, feature is: comprise dismountable waterproof anti-corrosion encapsulation box, system driving circuit plate, displacement transducer, condenser type mud level sensor, GPS locates sending module, 1LED alarm indication is shielded, 1st phonetic alarm, 2LED alarm indication screen and the 2nd phonetic alarm, dismountable waterproof anti-corrosion encapsulation box is fixed in the massif of the tunnel face of freeway tunnel, waterproof anti-corrosion encapsulation box encapsulates box housing by waterproof anti-corrosion and waterproof anti-corrosion encapsulation box top cover is formed, system driving circuit plate and displacement transducer is placed with in the shell chamber of waterproof anti-corrosion encapsulation box, condenser type mud level sensor is fixed on roadside, tunnel face, the support steel pole of the highway intermediate isolating band apart from 50 meters of, tunnel face is fixed with GPS and locates sending module, the support steel pole of the highway intermediate isolating band apart from 300 meters of, tunnel face is fixed with the 1LED alarm indication screen having set alarm indication word content and the 1st phonetic alarm having set alarm voice content, the support steel pole of the highway intermediate isolating band at 300 meters of, other end tunnel face apart from freeway tunnel is fixed with the 2LED alarm indication screen having set alarm indication word content and the 2nd phonetic alarm having set alarm voice content, system driving circuit plate is provided with 12V source of stable pressure circuit, displacement detecting driving circuit, mud position detection alarm driving circuit and LED alarm indication screen driving circuit, and displacement transducer, condenser type mud level sensor, 1LED alarm indication screen, the 1st phonetic alarm, 2LED alarm indication screen are all connected with system driving circuit plate by wire with the 2nd phonetic alarm.
The utility model comprises waterproof anti-corrosion encapsulation box, system driving circuit plate, displacement transducer, condenser type mud level sensor, GPS locates sending module, 1LED alarm indication is shielded, 1st phonetic alarm, 2LED alarm indication screen and the 2nd phonetic alarm, there is not angle change or output low level when not exceeding variation range in the angle equilibrium principle in displacement transducer, then high level is exported when the angle variation range occurred exceedes the numerical value of setting, in order to monitor the trend of freeway tunnel mouth massif, judge whether to be about to rubble flow or landslide occur, to accomplish to be reported to the police to car by 1LED alarm indication screen and the distribution of 2LED alarm indication screen in time, thus play the function of rubble flow or landslide being carried out to early warning, condenser type mud level sensor is for detecting freeway tunnel mouth rubble flow, the mud position situation that landslide occurs thus judge whether rubble flow or landslide occur, if mud position exceedes set threshold value, judge rubble flow or landslide occur, thus respectively car is reported to the police by the 1st phonetic alarm and the 2nd phonetic alarm and start GPS locate sending module the positional information residing for freeway tunnel sent to traffic department process the rubble flow or landslide that are blocked in tunnel face in time to allow traffic department, both the effect of vehicle being reported to the police when freeway tunnel mouth generation rubble flow or landslide had been played, play again and traffic department is reported to the police, timely dredging tunnel is able to the normal effect run fast by communications and transportation.
In the tunnel face at the two ends, left and right of highway, a set of the utility model is respectively installed.
Condenser type mud level sensor is fixed on roadside, tunnel face, is convenient to so more truly, reliably detects freeway tunnel mouth rubble flow, landslide so that and alarm; GPS locates sending module on the support steel pole of the highway intermediate isolating band apart from 50 meters of, tunnel face, and the reason of setting is like this: 1, the landslide at tunnel face place or rubble flow can be prevented the destruction of this sensor apart from 50 meters, freeway tunnel mouth; 2, with support steel pole, GPS location block supports being occurred to eminence is because eminence signal is strong, in order to detect freeway tunnel present position information better and more be conducive to positional information to send to traffic department; 1LED alarm indication screen, the 1st phonetic alarm, 2LED alarm indication screen and the 2nd phonetic alarm are located at apart from the support steel pole of the highway intermediate isolating band at 300 meters of, tunnel face, and the reason arranged like this is: 1, tunnel face rubble flow, landslide can be prevented its destruction apart from 300 meters, tunnel face; 2, can accomplish to shift to an earlier date and alarm vehicle, the generation tried to forestall traffic accidents; Introducing that LED alarm indication screen and phonetic alarm be about to carry out reporting to the police when occurring and occur at rubble flow or landslide is respectively because adopt phonetic alarm that rubble flow or landslide may be caused not to occur for a long time when carrying out early warning to rubble flow, landslide on car alarming but phonetic alarm rings and more affects the problem of the traffic safety of highway always, adopts audio alert then more can directly report to the police to car when there is rubble flow or landslide.
The utility model is used for the rubble flow of freeway tunnel mouth, the early warning of landslide and warning, it can not only be reported to the police to vehicle when occurring at tunnel face rubble flow or massif sliding being about to, remind driver carefully to drive a vehicle, thus realize the function of rubble flow or landslide being carried out to early warning; Can also rubble flow or landslide occurred tunnel face blocked time vehicle is reported to the police, avoid banging into blocked tunnel face, and remind the driver outside the tunnel face of other end, tunnel not enter tunnel, and the utility model can be reported to the police to traffic department when rubble flow or landslide occur, blocked tunnel is dredged in time, the communications and transportation of highway is able to normal operation fast, so the utility model has very large practicality for the traffic safety of freeway tunnel mouth.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Contrast accompanying drawing below in conjunction with embodiment the utility model is described in further detail.
A kind of freeway tunnel mouth rubble flow, landslide early-warning, warning system, comprise dismountable waterproof anti-corrosion encapsulation box 1, system driving circuit plate 4, displacement transducer 5, condenser type mud level sensor 6, GPS locates sending module 7, 1LED alarm indication screen 8, 1st phonetic alarm 10, 2LED alarm indication screen the 9 and the 2nd phonetic alarm 11, dismountable waterproof anti-corrosion encapsulation box 1 is fixed in the massif 14 of freeway tunnel mouth, waterproof anti-corrosion encapsulation box encapsulates box housing 2 by 1 waterproof anti-corrosion and waterproof anti-corrosion encapsulation box top cover 3 is formed, system driving circuit plate 4 and displacement transducer 5 is placed with in the shell chamber of waterproof anti-corrosion encapsulation box 1, condenser type mud level sensor 6 is fixed on roadside, tunnel face, the support steel pole of the highway intermediate isolating band 13 apart from 50 meters of, tunnel face is fixed with GPS and locates sending module 7, the support steel pole of the highway intermediate isolating band 13 apart from 300 meters of, tunnel face is fixed with the 1LED alarm indication screen 8 having set alarm indication word content and the 1st phonetic alarm 10 having set alarm voice content, the support steel pole of the highway intermediate isolating band 13 at 300 meters of, other end tunnel face apart from freeway tunnel 12 is fixed with the 2LED alarm indication screen 9 having set alarm indication word content and the 2nd phonetic alarm 11 having set alarm voice content, system driving circuit plate 5 is provided with 12V source of stable pressure circuit, displacement detecting driving circuit, mud position detection alarm driving circuit and LED alarm indication screen driving circuit, and displacement transducer 5, condenser type mud level sensor 6,1LED alarm indication screen the 8, the 1st phonetic alarm 10,2LED alarm indication screen 9 are all connected with system driving circuit plate 4 by wire with the 2nd phonetic alarm 11.
12V source of stable pressure circuit is made up of step-down transformer T, rectifier bridge VD1-VD4, integrated stable voltage circuit IC1,1-4 electric capacity C1-C4, and the 1st electric capacity C1, the 3rd electric capacity C3 are polar capacitor, and the 2nd electric capacity C2, the 4th electric capacity C4 are partially installing capacitor.220V civil power after step-down transformer T step-down, rectifier bridge VD1-VD4 rectification, integrated stable voltage circuit IC1 voltage stabilizing, the 1st electric capacity C1, the 3rd electric capacity C3 filtering out-put supply Vcc:12V to displacement detecting driving circuit, mud position detection alarm drive circuitry.1st electric capacity C1, the 2nd electric capacity C2 are in parallel, and the 3rd electric capacity C3 is in parallel with the 4th electric capacity C4.
Displacement detecting driving circuit is by displacement sensor 5, 1st operational amplifier U1, 1st triode Q1, 1st relay J 1, 2nd relay J 2, 1st resistance R1, 2nd resistance R2, 1st adjustable resistance RW1 forms, the power end of displacement transducer 5 connects power Vcc, the earth terminal ground connection of displacement transducer 5, the positive input terminal of output termination the 1st operational amplifier U1 of displacement transducer 5, the one termination power Vcc of the 1st resistance R1, the other end of the 1st resistance R1 connect with the 1st adjustable resistance RW1 after ground connection form bleeder circuit, by the adjustable 1st adjustable resistance RW1 of the 1st adjustable resistance RW1 the voltage that divides, the negative input end of noble potential termination the 1st operational amplifier U1 of the 1st adjustable resistance RW1, the positive input terminal of the 1st operational amplifier U1, the current potential of negative input end compares the height of the output terminal level determining the 1st operational amplifier U1, the base stage of output termination the 1st triode Q1 of the first operational amplifier U1, the collector of the 1st triode Q1 and the 1st relay J 1, 2nd relay J 2 connects power Vcc after connecting, the emitter of the 1st triode Q1 connect with the 2nd resistance R2 after ground connection,
Mud position detection alarm driving circuit is by condenser type mud level sensor 6, 2nd operational amplifier U2, 2nd triode Q2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 2nd adjustable resistance RW2, GPS locates sending module 7, 1st phonetic alarm 10, 2nd phonetic alarm 11 forms, the power supply termination power Vcc of condenser type mud level sensor 6, the earth terminal ground connection of condenser type mud level sensor 6, the positive input terminal of output termination the 2nd operational amplifier U2 of condenser type mud level sensor 6, between the output terminal that 3rd resistance R3 is connected in parallel on condenser type mud level sensor 6 and ground, the one termination power Vcc of the 4th resistance R4, the other end of the 4th resistance R4 connect with the 2nd adjustable resistance RW2 after ground connection form bleeder circuit, by the adjustable 2nd adjustable resistance RW2 of the 2nd adjustable resistance RW2 the voltage that divides, the negative input end of noble potential termination the 2nd operational amplifier U2 of the 2nd adjustable resistance RW2, the positive input terminal of the 2nd operational amplifier U2, the current potential of negative input end compares the height of the output terminal level determining the 2nd operational amplifier U2, the base stage of output termination the 2nd triode Q2 of the 2nd operational amplifier U2, the collector of the 2nd triode Q2 and the 1st phonetic alarm 10, 2nd phonetic alarm 11 connects power Vcc after connecting, emitter and the GPS of the 2nd triode Q2 locate sending module 7, ground connection after 5th resistance R5 connects,
LED alarm indication screen driving circuit shields the normally opened contact JK1 of the 8, the 1st relay J 1 by 1LED alarm indication, the normally opened contact JK2 of 2LED alarm indication screen the 9, the 2nd relay J 2 forms, 1LED alarm indication screen 8 is in parallel with 220VAC again after connecting with the normally opened contact JK1 of the 1st relay J 1, and 2LED alarm indication screen 9 is in parallel with 220VAC both ends of power again after connecting with the normally opened contact JK2 of the 2nd relay J 2.
Principle of work:
What the utility model utilized is that civil power 220V powers, and drives 1LED alarm indication to shield 8 and 2LED alarm indication screen 9, and by being that 12V stabilized voltage supply Vcc is to displacement detecting driving circuit, mud position detection alarm drive circuitry 220VAC voltage stabilizing.
During system works:
1, displacement detecting driving circuit drive displacement sensor 5 detects the displacement trend of freeway tunnel mouth massif inside, when massif inner structure is without time mobile or mobile little, the massif inner structure displacement causing displacement transducer 5 to detect is lower than set displacement threshold value, the output terminal output low level of displacement transducer 5, cause the current potential of the positive input terminal of the 1st operational amplifier U1 lower than the current potential of negative input end, thus the output terminal output low level of the 1st operational amplifier U1, 1st triode Q1 ends, cause the 1st relay J 1, the normally opened contact JK1 of the 2nd relay J 2, JK2 disconnects.When detecting that the displacement of freeway tunnel mouth massif inner structure reaches certain size, and cause the output terminal of displacement transducer 5 to export high level, cause the current potential of the positive input terminal of the 1st operational amplifier U1 higher than the current potential of negative input end, thus the output terminal of the 1st operational amplifier U1 exports high level, 1st triode Q1 conducting, normally opened contact JK1, JK2 of the 1st relay J 1, the 2nd relay J 2 are closed.Now start apart from the alert operation of the 1LED alarm indication screen 8 at blocked 300 meters of, tunnel face, display alarm word content, remind driver to leave for tunnel to be careful, see clearly, when entering tunnel, rubble flow or landslide can or can not occur, to avoid severe traffic accidents, alert operation simultaneously apart from the 2LED alarm indication screen 9 at 300 meters of, tunnel face of other end, tunnel also starts, display alarm word content, driver is reminded carefully to drive a vehicle, suddenly occur to prevent vehicle rubble flow or landslide after entering tunnel and hit blocked tunnel exit.
2, meanwhile, mud position detection alarm driving circuit drives condenser type mud level sensor 6 to detect the mud position situation of tunnel face, has judged whether that rubble flow or landslide occur and block tunnel face.When without mud position or mud position lower time, the mud position causing condenser type mud level sensor 6 to detect is lower than set mud position threshold value, the output terminal output current of condenser type mud level sensor 6 is less, this output current is by giving the current potential of the 2nd operational amplifier U2 positive input terminal lower after the 3rd resistance R3, cause the current potential of the positive input terminal of the 2nd operational amplifier U2 lower than the current potential of negative input end, thus the output terminal output low level of the 2nd operational amplifier U2,2nd triode Q2 ends, and GPS locates sending module 7, the 1st phonetic alarm 10 and the 2nd phonetic alarm 11 and do not work.When detecting that certain height has been arrived in mud position, and when the mud position causing condenser type mud level detection sensor 6 to detect is higher than set mud position threshold value, now judge that freeway tunnel mouth is blocked by mudstone, the output terminal output current of condenser type mud level detection sensor 6 is larger, this output current is by giving the current potential of the 2nd operational amplifier U2 positive input terminal higher after the 3rd resistance R3, cause the current potential of the positive input terminal of the 2nd operational amplifier U2 higher than the current potential of negative input end, thus the output terminal of the 2nd operational amplifier U2 exports high level, 2nd triode Q2 conducting, GPS locates sending module 7 and works, the positional information of this freeway tunnel is sent to traffic department, traffic department is allowed to arrive in the very nick of time to dredging blocked high speed Gao Lu tunnel, communications and transportation is made to be able to normal operation fast, start apart from the alert operation of the phonetic alarm 10 at blocked 300 meters of, tunnel face simultaneously, vehicle is reminded not leave for tunnel, emergency brake is avoided to cause traffic hazard or directly hit to blocked tunnel face and cause traffic hazard, the 2nd phonetic alarm 11 alert operation simultaneously apart from 300 meters of, tunnel face of other end, tunnel also starts, vehicle is reminded not enter tunnel, blocked tunnel exit is hit to prevent from entering tunnel.
1LED alarm indication screen 8 and 2LED alarm indication screen 9 use conventional highway LED alarm indication screen, and supply voltage is mains 220V; Condenser type mud level sensor 6 adopt be industrial mud level sensor, supply voltage is 12VDC-28VDC, and the utility model provides 12VDC to power, and its output is current mode, output current 4mA-20mA, mud position and output current size in direct ratio; GPS locates sending module for being set to current drive-type, and when having certain electric current to drive, it can detect positional information, and positional information is sent, and phonetic alarm device adopts conventional phonetic alarm device, and its supply voltage is 12VDC.
Claims (2)
1. a freeway tunnel mouth rubble flow, landslide early-warning, warning system, it is characterized in that: comprise dismountable waterproof anti-corrosion encapsulation box, system driving circuit plate, displacement transducer, condenser type mud level sensor, GPS locates sending module, 1LED alarm indication is shielded, 1st phonetic alarm, 2LED alarm indication screen and the 2nd phonetic alarm, dismountable waterproof anti-corrosion encapsulation box is fixed in the massif of the tunnel face of freeway tunnel, waterproof anti-corrosion encapsulation box encapsulates box housing by waterproof anti-corrosion and waterproof anti-corrosion encapsulation box top cover is formed, system driving circuit plate and displacement transducer is placed with in the shell chamber of waterproof anti-corrosion encapsulation box, condenser type mud level sensor is fixed on roadside, tunnel face, the support steel pole of the highway intermediate isolating band apart from 50 meters of, tunnel face is fixed with GPS and locates sending module, the support steel pole of the highway intermediate isolating band apart from 300 meters of, tunnel face is fixed with the 1LED alarm indication screen having set alarm indication word content and the 1st phonetic alarm having set alarm voice content, the support steel pole of the highway intermediate isolating band at 300 meters of, other end tunnel face apart from freeway tunnel is fixed with the 2LED alarm indication screen having set alarm indication word content and the 2nd phonetic alarm having set alarm voice content, system driving circuit plate is provided with 12V source of stable pressure circuit, displacement detecting driving circuit, mud position detection alarm driving circuit and LED alarm indication screen driving circuit, and displacement transducer, condenser type mud level sensor, 1LED alarm indication screen, the 1st phonetic alarm, 2LED alarm indication screen are all connected with system driving circuit plate by wire with the 2nd phonetic alarm.
2. freeway tunnel mouth rubble flow according to claim 1, landslide early-warning, warning system, is characterized in that:
12V source of stable pressure circuit is made up of step-down transformer T, rectifier bridge VD1-VD4, integrated stable voltage circuit IC1,1-4 electric capacity C1-C4,220V civil power after step-down transformer T step-down, rectifier bridge VD1-VD4 rectification, integrated stable voltage circuit IC1 voltage stabilizing, the 1st electric capacity C1, the 3rd electric capacity C3 filtering out-put supply Vcc:12V to displacement detecting driving circuit, mud position detection alarm drive circuitry; 1st electric capacity C1, the 2nd electric capacity C2 are in parallel, and the 3rd electric capacity C3 is in parallel with the 4th electric capacity C4;
Displacement detecting driving circuit is by displacement sensor 5, 1st operational amplifier U1, 1st triode Q1, 1st relay J 1, 2nd relay J 2, 1st resistance R1, 2nd resistance R2, 1st adjustable resistance RW1 forms, the power end of displacement transducer 5 connects power Vcc, the earth terminal ground connection of displacement transducer 5, the positive input terminal of output termination the 1st operational amplifier U1 of displacement transducer 5, the one termination power Vcc of the 1st resistance R1, the other end of the 1st resistance R1 connect with the 1st adjustable resistance RW1 after ground connection form bleeder circuit, the negative input end of noble potential termination the 1st operational amplifier U1 of the 1st adjustable resistance RW1, the base stage of output termination the 1st triode Q1 of the first operational amplifier U1, the collector of the 1st triode Q1 and the 1st relay J 1, 2nd relay J 2 connects power Vcc after connecting, the emitter of the 1st triode Q1 connect with the 2nd resistance R2 after ground connection,
Mud position detection alarm driving circuit is by condenser type mud level sensor, 2nd operational amplifier U2, 2nd triode Q2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 2nd adjustable resistance RW2, GPS locates sending module 7, 1st phonetic alarm 10, 2nd phonetic alarm 11 forms, the power supply termination power Vcc of condenser type mud level sensor, the earth terminal ground connection of condenser type mud level sensor, the positive input terminal of output termination the 2nd operational amplifier U2 of condenser type mud level sensor, between the output terminal that 3rd resistance R3 is connected in parallel on condenser type mud level sensor and ground, the one termination power Vcc of the 4th resistance R4, the other end of the 4th resistance R4 connect with the 2nd adjustable resistance RW2 after ground connection form bleeder circuit, the negative input end of noble potential termination the 2nd operational amplifier U2 of the 2nd adjustable resistance RW2, the base stage of output termination the 2nd triode Q2 of the 2nd operational amplifier U2, the collector of the 2nd triode Q2 and the 1st phonetic alarm 10, 2nd phonetic alarm 11 connects power Vcc after connecting, and emitter and the GPS of the 2nd triode Q2 locate sending module 7, ground connection after 5th resistance R5 connects,
LED alarm indication screen driving circuit shields the normally opened contact JK1 of the 8, the 1st relay J 1 by 1LED alarm indication, the normally opened contact JK2 of 2LED alarm indication screen the 9, the 2nd relay J 2 forms, 1LED alarm indication screen 8 is in parallel with 220VAC again after connecting with the normally opened contact JK1 of the 1st relay J 1, and 2LED alarm indication screen 9 is in parallel with 220VAC both ends of power again after connecting with the normally opened contact JK2 of the 2nd relay J 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520550044.1U CN204833610U (en) | 2015-07-28 | 2015-07-28 | Highway tunnel face mud -rock flow, mountain landslide early warning, alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520550044.1U CN204833610U (en) | 2015-07-28 | 2015-07-28 | Highway tunnel face mud -rock flow, mountain landslide early warning, alarm system |
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| CN204833610U true CN204833610U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520550044.1U Expired - Fee Related CN204833610U (en) | 2015-07-28 | 2015-07-28 | Highway tunnel face mud -rock flow, mountain landslide early warning, alarm system |
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| CN (1) | CN204833610U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404541A (en) * | 2021-06-29 | 2021-09-17 | 陕西工业职业技术学院 | Tunnel surrounding rock deformation on-line monitoring and early warning system |
-
2015
- 2015-07-28 CN CN201520550044.1U patent/CN204833610U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404541A (en) * | 2021-06-29 | 2021-09-17 | 陕西工业职业技术学院 | Tunnel surrounding rock deformation on-line monitoring and early warning system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160728 |