CN206430850U - Impulsive force of mud flow monitoring device and system - Google Patents
Impulsive force of mud flow monitoring device and system Download PDFInfo
- Publication number
- CN206430850U CN206430850U CN201720134871.1U CN201720134871U CN206430850U CN 206430850 U CN206430850 U CN 206430850U CN 201720134871 U CN201720134871 U CN 201720134871U CN 206430850 U CN206430850 U CN 206430850U
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- impulsive force
- mud flow
- flow monitoring
- monitoring device
- shock sensors
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Abstract
The utility model is related to monitoring technology for geological hazards field, and in particular to a kind of impulsive force of mud flow monitoring device and system.Impulsive force of mud flow monitoring system includes host computer and impulsive force of mud flow monitoring device.Impulsive force of mud flow monitoring device includes crash panel, protection cylinder, shock sensors, data acquisition device and communication module.The protection cylinder includes bottom wall and side wall; the side wall ring is located at the bottom wall; the crash panel is arranged in the protection cylinder; the shock sensors are arranged between the bottom wall and the crash panel; the shock sensors are connected with the data acquisition device, and the data acquisition device is connected with the communication module.The problem of existing contact mud-rock flow monitoring device can not continuously send out accurate alarm signal in real time when the impulsive force of mud flow is excessive is effectively solved by above-mentioned setting.
Description
Technical field
The utility model is related to monitoring technology for geological hazards field, is monitored in particular to a kind of impulsive force of mud flow
Apparatus and system.
Background technology
In the prior art, the monitoring technology of mud-rock flow is broadly divided into contact and contactless two big type.This practicality is new
Type belongs to contact monitoring method.Existing contact mud-rock flow monitoring device mainly uses broken string method.Broken string method is in mudstone
Flow and metal perception line is laid in ditch bed, once mud-rock flow, which has thrust the metal, perceives line, contact mud-rock flow monitoring device is produced
One disconnection signal simultaneously realizes alarm according to the disconnection signal.But perceive the broken string method after line is thrust in the metal and lose report
Alert function, it is impossible to which realization continues monitoring in real time.In addition broken string method can not measure impulsive force size, and then can not be to mud-rock flow
Scale makes accurate judgement.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of impulsive force of mud flow monitoring device, is hit by setting
Plate, protection cylinder, shock sensors, data acquisition device and communication module are hit, existing contact mud-rock flow prison is effectively solved
Survey the problem of device can not continuously send out accurate alarm signal in real time when the impulsive force of mud flow is excessive.
Another object of the present utility model is to provide a kind of impulsive force of mud flow monitoring system, by set host computer and
Include the impulsive force of mud flow monitoring device of crash panel, protection cylinder, shock sensors, data acquisition device and communication module,
Effectively solving existing contact mud-rock flow monitoring device can not continuously send out accurately in real time when the impulsive force of mud flow is excessive
The problem of alarm signal.
To achieve the above object, the utility model is realized in：
A kind of impulsive force of mud flow monitoring device, including：Crash panel, protection cylinder, shock sensors, data acquisition device
And communication module.
The protection cylinder includes bottom wall and side wall, and the side wall ring is located at the bottom wall, and the crash panel is arranged at described
Protect in cylinder, the shock sensors are arranged between the bottom wall and the crash panel, the shock sensors and institute
Data acquisition device connection is stated, the data acquisition device is connected with the communication module.
Optionally, in above-mentioned impulsive force of mud flow monitoring device, the shape size of the crash panel and the protection cylinder
Cross sectional shape size match, the shock sensors is multiple, and multiple shock sensors are arranged at the bottom
Between wall and the crash panel.
The data acquisition device be multi-Channels Data Acquisition, each shock sensors respectively with the multichannel
Each passage connection of data collecting instrument.
Optionally, in above-mentioned impulsive force of mud flow monitoring device, the protection cylinder is cylindrical drum, the impulsive force sensing
Device is four, and four shock sensors are arranged between the bottom wall and the crash panel, and two neighboring impulsive force is passed
Spacing between sensor is identical and distance of to side wall is identical, shock sensors correspondence multi-Channels Data Acquisition
A passage.
Optionally, in above-mentioned impulsive force of mud flow monitoring device, the impulsive force of mud flow monitoring device also includes electricity
Source, the power supply is connected with the shock sensors.
Optionally, in above-mentioned impulsive force of mud flow monitoring device, the power supply includes battery and solar power generation is filled
Put, the bottom wall of the protection cylinder is provided with first through hole, and the device of solar generating is connected with the battery, the electric power storage
Pond is connected by the cable through the first through hole with the shock sensors.
Optionally, in above-mentioned impulsive force of mud flow monitoring device, the bottom wall of the protection cylinder is provided with the second through hole, institute
State shock sensors to be connected with the data acquisition device by the cable through second through hole, the side of the protection cylinder
Wall is provided with damp-proof layer close to the crash panel side.
Optionally, in above-mentioned impulsive force of mud flow monitoring device, the impulsive force of mud flow monitoring device also includes letter
Number amplifier and analog-digital converter, the signal amplifier be connected to the shock sensors and the data acquisition device it
Between, the analog-digital converter is connected between the data acquisition device and the communication module.
Optionally, in above-mentioned impulsive force of mud flow monitoring device, the communication module is wireless communication module.
The utility model also provides a kind of impulsive force of mud flow monitoring system, and the system includes host computer and above-mentioned mudstone
Impulsive force monitoring device is flowed, the impulsive force of mud flow monitoring device is multiple, multiple impulsive force of mud flow monitoring devices
Communicated to connect respectively with the host computer.
Optionally, in above-mentioned impulsive force of mud flow monitoring system, the impulsive force of mud flow monitoring system also includes sound
Light alarm device, the acoustic-optic alarm is connected with the host computer.
The utility model provides a kind of impulsive force of mud flow monitoring device and system, and impulsive force of mud flow monitoring system includes
Host computer and impulsive force of mud flow monitoring device.The impulsive force of mud flow includes monitoring device crash panel, protection cylinder, impulsive force sensing
Device, data acquisition device and communication module.The protection cylinder includes bottom wall and side wall, and the side wall ring is located at the bottom wall, institute
State crash panel to be arranged in the protection cylinder, the shock sensors are arranged between the bottom wall and the crash panel, institute
State shock sensors to be connected with the data acquisition device, the data acquisition device is connected with the communication module.Pass through
Above-mentioned setting, which effectively solves existing contact mud-rock flow monitoring device, can not continuously send out standard when the impulsive force of mud flow is excessive
Really the problem of real-time alarm signal.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
A kind of structural representation for impulsive force of mud flow monitoring device that Fig. 1 provides for the utility model embodiment.
A kind of structural representation for protection cylinder that Fig. 2 provides for the utility model embodiment.
A kind of structured flowchart for impulsive force of mud flow monitoring system that Fig. 3 provides for the utility model embodiment.
A kind of structural representation for impulsive force of mud flow monitoring system that Fig. 4 provides for the utility model embodiment.
Icon：10- impulsive force of mud flow monitoring devices；20- host computers；30- acoustic-optic alarms；110- crash panels；
120- protects cylinder；122- bottom walls；123- first through hole；The through holes of 124- second；126- sides wall；130- shock sensors；140-
Signal amplifier；150- data acquisition devices；160- analog-digital converters；170- communication modules；180- power supplys；182- batteries；
184- device of solar generating.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " on ", the orientation of the instruction such as " interior " or position relationship
For based on orientation shown in the drawings or position relationship, or the orientation or position that the utility model product is usually put when using
Relation, is for only for ease of description the utility model and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.At this
, it is necessary to which explanation, term " first ", " second " etc. are only used for distinguishing and described in the description of utility model, and it is not intended that
Indicate or imply relative importance.
Referring to Fig. 1, being that the utility model embodiment provides a kind of impulsive force of mud flow monitoring device 10, including crash panel
110th, protection cylinder 120, shock sensors 130, data acquisition device 150 and communication module 170.
The protection cylinder 120 includes bottom wall 122 and side wall 126, and the side wall 126 is located on the bottom wall 122, described to hit
Hit plate 110 to be arranged in the protection cylinder 120, the shock sensors 130 are arranged at the bottom wall 122 and the crash panel
Between 110, the shock sensors 130 are connected with the data acquisition device 150, the data acquisition device 150 and institute
Communication module 170 is stated to connect.
The cross sectional shape size of the shape size of the crash panel 110 and the protection cylinder 120 matches, the crash panel
110 can slide up and down the extruding shock sensors 130 along the side wall 126 of the protection cylinder 120.Carrying out mud-rock flow punching
When hitting power monitoring, the crash panel 110 can be slided along the side wall 126 of the protection cylinder 120 by external force collision and extrude institute
Shock sensors 130 are stated, the shock sensors 130, which are squeezed, to be produced electric signal and send to the data acquisition device
150.It should be noted that of different sizes, the electricity of generation for the power that shock sensors 130 described in the crash panel 110 are acted on
Signal is also different.
It is described protection cylinder 120 section can be circle, square, rectangle, hexagon or other arbitrarily it is irregular
Figure, as long as the shape size of the crash panel 110 matches with the cross-sectional sizes, crash panel 110 can be arranged at protection cylinder
Slided in 120 and along side wall 126.In the present embodiment, the protection cylinder 120 is cylindrical drum.To avoid the protection cylinder
120 and crash panel 110 deformed upon under stressing conditions, cause the crash panel 110 can not along it is described protection cylinder 120 slide shadow
Monitoring result is rung, in the present embodiment, the protection cylinder 120 and crash panel 110 are made up of the plastic material of hard.
To avoid the shock sensors 130 from making moist in use, impact force snesor 130 and damage or shadow
Ring the measurement result of shock sensors 130.In the present embodiment, the adjacent bit of the crash panel 110 and the protection cylinder 120
Putting can locate to carry out moistureproof and water-proofing treatment, can also set damp-proof layer around the shock sensors 130, can be with
It is close to the side of crash panel 110 setting damp-proof layer in the side wall 126 for protecting cylinder 120.As long as moistureproof effect can be realized
Fruit.
Incorporated by reference to shown in Fig. 2, to avoid the moisture damage of the data acquisition device 150 influence result of the test, in this implementation
In example, optionally, the bottom wall 122 of the protection cylinder 120 is provided with the second through hole 124, and the shock sensors 130 are by wearing
The cable for crossing second through hole 124 is connected with the data acquisition device 150.Second through hole 124 goes out to carry out at protection against the tide
The side wall 126 of reason and the protection cylinder 120 sets damp-proof layer close to the side of crash panel 110.
It is prevented effectively from use by above-mentioned setting, the shock sensors 130 or data acquisition device 150
Moisture damage, influences result of the test.
It can also be multiple that the shock sensors 130, which can be one, and in the present embodiment, the impulsive force is sensed
Device 130 is multiple, and multiple shock sensors 130 are arranged between the bottom wall 122 and the crash panel 110.
Optionally, in the present embodiment, the shock sensors 130 are four, four shock sensors 130
It is arranged between the bottom wall 122 and the crash panel 110, it is in the present embodiment, adjacent to ensure that monitoring result reaches most preferably
Spacing between two shock sensors 130 is identical, and the distance of each shock sensors 130 to side wall 126 is identical.
The data acquisition device 150 can be single-channel data Acquisition Instrument or multi-Channels Data Acquisition.To avoid adopting
With, it is necessary to set multiple single-channel data Acquisition Instruments, causing asking for the wasting of resources and high cost during multiple shock sensors 130
Topic, in the present embodiment, the data acquisition device 150 are multi-Channels Data Acquisition.
Wherein, a passage of the correspondence of shock sensors 130 multi-Channels Data Acquisition.Each impact
Force snesor 130 is connected with each passage of the multi-Channels Data Acquisition respectively, and multiple shock sensors 130 are produced
Multiple electric signals.The multi-Channels Data Acquisition receives the multiple electric signal and is converted into multiple impact force signals.It is described
Impact force signal includes impacting force value, and the impact force value that different impact force signals includes is different.
When carrying out impulsive force of mud flow monitoring, the shock sensors 130 extrude the impact in the stress of crash panel 110
Electric signal is produced during force snesor 130 and is sent to data acquisition device 150, the data acquisition device 150 is by the telecommunications
Impact force signal number is converted into, and passes through communication module 170 and is sent to the host computer 20 communicated to connect with the communication module 170.
Optionally, in the present embodiment, the communication module 170 is wireless communication module, can be had by using the wireless communication module
Effect uses manpower and material resources sparingly, and the wireless communication module can adapt in varying environment.Realize the accurate impulsive force of mud flow in real time
Monitoring.
Optionally, the impulsive force of mud flow monitoring device 10 also includes power supply 180, the power supply 180 and the impact
Force snesor 130 is connected.The power supply 180 can be that external power supply can also be built-in power, be not specifically limited herein, only
The shock sensors 130 can be powered.
Optionally, in the present embodiment, the power supply 180 includes battery 182 and device of solar generating 184, described
Device of solar generating 184 is connected with the battery 182, and the battery 182 is connected with the shock sensors 130.
By using the effectively save electric energy of device of solar generating 184, and it is effectively ensured by using battery 182 extremely overcast and rainy
The need for electricity of shock sensors 130 can be met.The quantity of wherein described device of solar generating 184 is multiple, Mei Getai
Positive energy TRT 184 one battery 182 of correspondence, one shock sensors 130 of each correspondence of battery 182.
Optionally, it is in the present embodiment, optionally, described to avoid the battery 182 from being damaged in wet condition
The bottom wall 122 of protection cylinder 120 is provided with first through hole 123, and the battery 182 passes through leading through the first through hole 123
Line is connected, and the wire, which is passed through, sets waterproof layer at the first through hole 123.
Optionally, the impulsive force of mud flow monitoring device 10 also includes signal amplifier 140 and analog-digital converter 160,
The signal amplifier 140 is connected between the shock sensors 130 and the data acquisition device 150, the modulus
Converter 160 is connected between the data acquisition device 150 and the communication module 170.
Incorporated by reference to Fig. 3 and Fig. 4, the utility model also provides a kind of impulsive force of mud flow monitoring system, the mud-rock flow punching
Power monitoring system is hit (only to show to include one in figure including host computer 20 and multiple above-mentioned impulsive force of mud flow monitoring devices 10
The situation of individual impulsive force of mud flow monitoring device 10).Multiple impulsive force of mud flow monitoring devices 10 respectively with it is described upper
Machine 20 is communicated to connect.Because the impulsive force of mud flow monitoring system includes above-mentioned impulsive force of mud flow monitoring device 10, because
This impulsive force of mud flow monitoring system has all features of above-mentioned impulsive force of mud flow monitoring device 10.
Predetermined threshold value is provided with the host computer 20, the host computer 20 is used to judge that the impact force signal includes
Impact force value whether exceed predetermined threshold value, when the impact force value that includes of impact force signal exceeds the predetermined threshold value, then
Send alarm signal.The predetermined threshold value can be that default value can also be configured according to actual conditions, not do specific herein
Limit.The alarm signal can be SMS alarm, presentation of information alarm or sound and light alarm, be not specifically limited herein, root
Chosen according to actual conditions.
The host computer 20 is the computer with control function, and it is mechanical, electrical that the host computer 20 can be but not limited to hand
Brain and tablet personal computer, as long as the all-purpose computer input-output equipment with communication process control function, does not do have herein
Body is limited.
Specifically, the host computer 20 can be when the impact force value in having an impact force signal exceeds predetermined threshold value
Alarm signal is sent when sending the average value that force value is impacted in alarm signal or all impact force signals beyond predetermined threshold value
Number, it can also be and send report when the average impact force value taken out after highest impact force value and minimum impact force value exceeds predetermined threshold value
Alert signal, is not specifically limited, is configured according to actual conditions herein.
In the present embodiment, it is the accuracy of guarantee alarm signal, each impulsive force letter is obtained in the host computer 20
Impulsive force in number is worth to average value, and when the average value exceeds predetermined threshold value, the host computer 20 sends alarm signal.
Optionally, the predetermined threshold value can be one can also be it is multiple, in the present embodiment, the predetermined threshold value bag
The first predetermined threshold value and the second predetermined threshold value are included, first predetermined threshold value is less than second predetermined threshold value.The alarm signal
Number include the first alarm signal and the second alarm signal, first alarm signal is different from second alarm signal.Work as institute
State impact force value be more than first predetermined threshold value and less than second predetermined threshold value when, the host computer 20 sends the first report
Alert signal.When the impact force value is more than second predetermined threshold value, the host computer 20 sends the second alarm signal.
The alarm signal can be but not limited to sound and light alarm signal or communication alert signal, in the present embodiment, can
Choosing, the alarm signal is sound and light alarm signal.The impulsive force of mud flow monitoring system also includes acoustic-optic alarm 30.
The acoustic-optic alarm 30 is connected with the host computer 20, and the acoustic-optic alarm 30 is connected with the host computer 20, when
When the impact force value exceeds the predetermined threshold value, the host computer 20 controls the acoustic-optic alarm 30 to send sound and light alarm
Signal.
To sum up, the utility model provides a kind of impulsive force of mud flow monitoring device 10 and system, the mud-rock-flow-impact
Power monitoring device 10 is by setting crash panel 110, protection cylinder 120, shock sensors 130, data acquisition device 150 and communication
Module 170, standard can not be continuously sent out when the impulsive force of mud flow is excessive by effectively solving existing contact mud-rock flow monitoring device
Really the problem of real-time alarm signal.By using multiple shock sensors 130, the accurate of impact force information is effectively ensured
Property.The power supply 180 that impulsive force of mud flow monitoring device 10 includes device of solar generating 184 and battery 182 by setting can
Enable shock sensors 130 to realize to continue to monitor.Impulsive force of mud flow monitoring system is by setting host computer 20 and multiple
Impulsive force of mud flow monitoring device 10, realizes long-distance alarm function, so as to remind monitoring personnel to find and solve in time, ensures
Personal safety as well as the property safety.By setting acoustic-optic alarm 30 to play more preferably suggesting effect.
In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for
For those skilled in the art, the utility model can have various modifications and variations.It is all in spirit of the present utility model and former
Within then, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of impulsive force of mud flow monitoring device, it is characterised in that including：Crash panel, protection cylinder, shock sensors, number
According to harvester and communication module；
The protection cylinder includes bottom wall and side wall, and the side wall ring is located at the bottom wall, and the crash panel is arranged at the protection
In cylinder, the shock sensors are arranged between the bottom wall and the crash panel, the shock sensors and the number
Connected according to harvester, the data acquisition device is connected with the communication module.
2. impulsive force of mud flow monitoring device according to claim 1, it is characterised in that the shape size of the crash panel
Match with the cross sectional shape size of the protection cylinder, the shock sensors are multiple, multiple shock sensors
It is arranged between the bottom wall and the crash panel；
The data acquisition device be multi-Channels Data Acquisition, each shock sensors respectively with the multi-channel data
Each passage connection of Acquisition Instrument.
3. impulsive force of mud flow monitoring device according to claim 2, it is characterised in that the protection cylinder is cylindrical drum,
The shock sensors are four, and four shock sensors are arranged between the bottom wall and the crash panel, phase
Spacing between adjacent two shock sensors is identical and distance of to side wall is identical, and a shock sensors correspondence is described more
One passage of channel data Acquisition Instrument.
4. impulsive force of mud flow monitoring device according to claim 1, it is characterised in that the impulsive force of mud flow monitoring
Device also includes power supply, and the power supply is connected with the shock sensors.
5. impulsive force of mud flow monitoring device according to claim 4, it is characterised in that the power supply include battery and
Device of solar generating, the bottom wall of the protection cylinder is provided with first through hole, the device of solar generating and the battery
Connection, the battery is connected by the cable through the first through hole with the shock sensors.
6. impulsive force of mud flow monitoring device according to claim 1, it is characterised in that the bottom wall of the protection cylinder is set
There is the second through hole, the shock sensors are connected by the cable through second through hole with the data acquisition device,
The side wall of the protection cylinder is provided with damp-proof layer close to the crash panel side.
7. impulsive force of mud flow monitoring device according to claim 1, it is characterised in that the impulsive force of mud flow monitoring
Device also includes signal amplifier and analog-digital converter, and the signal amplifier is connected to the shock sensors and the number
According between harvester, the analog-digital converter is connected between the data acquisition device and the communication module.
8. impulsive force of mud flow monitoring device according to claim 1, it is characterised in that the communication module is channel radio
Believe module.
9. a kind of impulsive force of mud flow monitoring system, it is characterised in that the system includes host computer and claim 1-8 is any
Impulsive force of mud flow monitoring device described in one, the impulsive force of mud flow monitoring device is multiple, multiple mud-rock flows
Impulsive force monitoring device is communicated to connect with the host computer respectively.
10. impulsive force of mud flow monitoring system according to claim 9, it is characterised in that the impulsive force of mud flow prison
Examining system also includes acoustic-optic alarm, and the acoustic-optic alarm is connected with the host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720134871.1U CN206430850U (en) | 2017-02-14 | 2017-02-14 | Impulsive force of mud flow monitoring device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720134871.1U CN206430850U (en) | 2017-02-14 | 2017-02-14 | Impulsive force of mud flow monitoring device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206430850U true CN206430850U (en) | 2017-08-22 |
Family
ID=59590907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720134871.1U Expired - Fee Related CN206430850U (en) | 2017-02-14 | 2017-02-14 | Impulsive force of mud flow monitoring device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206430850U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702302A (en) * | 2019-10-16 | 2020-01-17 | 西南交通大学 | Debris flow impact force measuring device |
| US20220381931A1 (en) * | 2021-05-31 | 2022-12-01 | Institute Of Mountain Hazards And Environment, Chinese Academy Of Sciences | Device for monitoring and identifying mountain torrent and debris flow and method for early warning of disasters |
-
2017
- 2017-02-14 CN CN201720134871.1U patent/CN206430850U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702302A (en) * | 2019-10-16 | 2020-01-17 | 西南交通大学 | Debris flow impact force measuring device |
| US20220381931A1 (en) * | 2021-05-31 | 2022-12-01 | Institute Of Mountain Hazards And Environment, Chinese Academy Of Sciences | Device for monitoring and identifying mountain torrent and debris flow and method for early warning of disasters |
| US11774612B2 (en) * | 2021-05-31 | 2023-10-03 | Institute Of Mountain Hazards And Environment, Chinese Academy Of Sciences | Device for monitoring and identifying mountain torrent and debris flow and method for early warning of disasters |
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Granted publication date: 20170822 Termination date: 20220214 |