CN114093134B - Simple early warning system for slope construction period - Google Patents
Simple early warning system for slope construction period Download PDFInfo
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- CN114093134B CN114093134B CN202111423523.3A CN202111423523A CN114093134B CN 114093134 B CN114093134 B CN 114093134B CN 202111423523 A CN202111423523 A CN 202111423523A CN 114093134 B CN114093134 B CN 114093134B
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- early warning
- plug
- alarm
- slope
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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
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
Abstract
The invention discloses a simple early warning system for a slope construction period, which relates to the technical field of slope monitoring, and is technically characterized in that: the system comprises a power supply, an early warning circuit and a power-off alarm; the power-off alarm is connected with a power supply through an early warning circuit; the early warning circuit is paved on the slope; the early warning line consists of a plurality of early warning line segments and wire bolts, and the adjacent early warning line segments are electrically connected through the wire bolts; when deformation of the slope surface exceeds standard, at least one group of adjacent early warning line segments are disconnected from the connected wire bolt; and outputting an alarm signal after the power failure of the power failure alarm. When various deformations such as sliding down, concave, convex and the like occur on the side slope, adjacent early warning line segments are disconnected from the connected wire bolt in the deformation range, and an alarm signal is output after the power failure of the power failure alarm.
Description
Technical Field
The invention relates to the technical field of slope monitoring, in particular to a simple early warning system for a slope construction period.
Background
The engineering activities in the engineering construction period often cause certain deformation damage to the side slope, deformation signs are not easy to find due to vegetation coverage of the side slope, and geological disasters such as landslide, collapse and the like can be generated along with the aggravation of the deformation damage, so that the safety of personnel and mechanical equipment at the lower part of the side slope is directly threatened.
In order to alleviate the threat of such disasters, the current method mainly carries out slope construction period monitoring and early warning through manual observation, and the manual observation is limited by simple means, so that the problems of low observation precision, low probability of finding deformation signs and untimely early warning exist. Because of the defects of manual observation, engineers also carry out monitoring and early warning work on a side slope by means of some monitoring equipment, but the current monitoring equipment is often in a point shape, linear monitoring cannot be formed, and the equipment has a complex structure and high cost; in addition, the existing monitoring equipment generally implants sensors along the direction perpendicular to the slope surface to perform deformation measurement, the overall installation cost is high, and the risk of damaging the slope structure is also present in the implantation process.
Therefore, the research design of a simple early warning system for the slope construction period, which can overcome the defects, is a problem which needs to be solved in the current state.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a simple early warning system for the slope construction period, and the system has the advantages of linear monitoring function, simplicity in installation, convenience in maintenance, timely early warning and the like.
The technical aim of the invention is realized by the following technical scheme: the simple early warning system for the slope construction period comprises a power supply, an early warning circuit and a power-off alarm;
the power-off alarm is connected with a power supply through an early warning circuit;
the early warning circuit is paved on the slope;
the early warning line consists of a plurality of early warning line segments and wire bolts, and the adjacent early warning line segments are electrically connected through the wire bolts;
when deformation of the slope surface exceeds standard, at least one group of adjacent early warning line segments are disconnected from the connected wire bolt; and outputting an alarm signal after the power failure of the power failure alarm.
Further, the wire bolt is provided with a power supply socket and at least one power transmission socket, and a plurality of power transmission sockets are connected in parallel.
Further, the electric wire bolt comprises a plug bush and a plug, and the plug bush and the plug are fixedly arranged at two ends of the same early warning line segment;
conductive contacts are arranged in the plug bush and the plug, and are connected with corresponding early warning line segments;
when the plug bush and the plug in the adjacent early warning line section are connected in an inserting mode, the plug bush is contacted with the conductive contact corresponding to the plug.
Further, the plug bush comprises a hard body and a soft sleeve arranged in a hollow mode, the soft sleeve is connected with one side of the hard body, and the conductive contact is arranged in the hard body.
Further, the end face of the hard body, which is close to the soft sleeve, is provided with an inner concave surface, and the end part of the plug is provided with an outer convex surface which can be attached to the inner concave surface.
Further, contact electric sheets are arranged on the inner wall of the plug bush at intervals with the conductive contacts, and sliding sheets connected with the corresponding conductive contacts are arranged on the outer wall of the plug;
the contact electric sheet is connected with the corresponding conductive contact through a sliding switch, a display lamp and a built-in power supply which are sequentially connected in series;
when the plug bush is contacted with the conductive contact corresponding to the plug, the sliding sheet is contacted with the corresponding contact electric sheet; after the sliding switch is started, the display lamp is electrified and turned on.
Further, the power-off alarm consists of a normally closed relay and an alarm, and the alarm is a buzzer and/or an alarm lamp;
or, it is composed of normally closed relay and signal transceiver.
Further, the power supply consists of a solar panel and a storage battery.
Further, the early warning line section consists of an inner wire and a hard wire sleeve, and the wire sleeve is coaxially sleeved with the inner wire.
Further, the early warning line segment is fixed on the slope through at least one fixing buckle;
the fixing buckle comprises a U-shaped card body and an inserting body penetrating through the U-shaped card body.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the simple early warning system for the slope construction period, the early warning line formed by the early warning line segments is paved on the slope above the slope excavation surface, when the slope is subjected to various deformations such as sliding down, concave, convex and the like, the adjacent early warning line segments are disconnected from the connected wire bolts in the deformation range, the power-off alarm outputs an alarm signal after power failure, and a worker can timely develop emergency measures according to the received alarm signal;
2. the wire bolt provided with the power supply socket and the plurality of power transmission sockets can enable the early warning circuit to be in different arrangement shapes, on one hand, an adaptive monitoring arrangement scheme can be set according to the limit of the monitoring environment, on the other hand, an area with high monitoring risk can be considered, the complexity of the monitoring process is effectively reduced, and the flexibility of monitoring the deformation of the side slope is enhanced;
3. according to the invention, the connection of adjacent early warning line segments is realized through the plug bush and the plug, the whole installation and disassembly processes are simple to operate, and the design of the inner concave surface, the outer convex surface and the soft sleeve is combined, so that the bending process of the adjacent early warning line segments along with the deformation of the side slope is easier, the structure of the wire plug is almost destroyed, and the wire plug can be reused;
4. according to the invention, through the arrangement of the contact electric sheet and the sliding sheet, when a worker determines a line where deformation is located according to the power-off alarm, the worker can determine the disconnection position of the early-warning line by checking whether the display lamp is on after the sliding switch is started; if the display lamp is turned on after the sliding switch is turned on, the turn-off position is indicated to be at a part of the current position far away from the power supply; otherwise, the position of disconnection is indicated to be at the part of the current position close to the power supply, and the quick detection of the position of disconnection is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention. In the drawings:
FIG. 1 is a schematic diagram of the operation of an embodiment of the present invention;
FIG. 2 is a schematic illustration of an installation in an embodiment of the invention;
FIG. 3 is a schematic view showing the internal structure of the wire bolt according to the embodiment of the present invention;
fig. 4 is a schematic diagram of the operation of the contact blade and the slider in an embodiment of the present invention.
In the drawings, the reference numerals and corresponding part names:
1. a power supply; 2. a power-off alarm; 3. an early warning circuit; 4. early warning line segments; 5. a solar cell panel; 6. a storage battery; 7. a wire sleeve; 8. an inner wire; 9. a wire bolt; 10. a U-shaped clamp body; 11. an insert; 12. a plug; 13. a conductive contact; 14. an outer convex surface; 15. a sliding sheet; 16. a soft sleeve; 17. a hard body; 18. an inner concave surface; 19. and contacting the electric sheet.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Examples: the simple early warning system for the slope construction period comprises a power supply 1, an early warning circuit 3 and a power-off alarm 2 as shown in fig. 1 and 2. The power-off alarm 2 is connected with the power supply 1 through an early warning line 3. The early warning line 3 is paved on the slope; the early warning line 3 is composed of a plurality of early warning line segments 4 and wire bolts 9, and the adjacent early warning line segments 4 are electrically connected through the wire bolts 9. When the deformation of the slope surface exceeds the standard, the adjacent early warning line segments 4 are disconnected from the connected wire bolts 9; the power-off alarm 2 outputs an alarm signal after power off.
According to the invention, the early warning line 3 consisting of the early warning line segments 4 is paved on the slope above the slope excavation surface, when the slope is subjected to various deformations such as sliding down, concave, convex and the like, the adjacent early warning line segments 4 are disconnected from the connected wire bolt 9 in the deformation range, the power-off alarm 2 outputs an alarm signal after power off, and a worker can timely develop emergency measures according to the received alarm signal.
The wire bolt 9 is provided with a power supply socket and at least one power transmission socket, and a plurality of power transmission sockets are connected in parallel. For example, the wire plug 9 is three-way, T-shaped, or cross-shaped. The early warning circuit 3 can be made to present different arrangement shapes, on one hand, an adaptive monitoring arrangement scheme can be set according to the limit of the monitoring environment, on the other hand, an area with high monitoring risk can be considered, the complexity of the monitoring process is effectively reduced, and the flexibility of slope deformation monitoring is enhanced.
As shown in fig. 3, in this embodiment, the wire plug 9 includes a plug bush and a plug 12, and the plug bush and the plug 12 are fixedly installed at two ends of the same early warning line segment 4; the plug bush and the plug 12 are internally provided with conductive contacts 13, and the conductive contacts 13 are connected with corresponding early warning line segments 4; when the plug bush in the adjacent early warning line segment 4 is plugged with the plug 12, the plug bush is contacted with the conductive contact 13 corresponding to the plug 12.
In this embodiment, the plug bush includes a hard body 17 and a soft sleeve 16 arranged in a hollow manner, the soft sleeve 16 is connected with one side of the hard body 17, and the conductive contact 13 is installed in the hard body 17. The elasticity of the soft sleeve 16 can realize the stability of the two early warning line segments 4. In addition, if a longer use is required, it is also conceivable to achieve further reinforcement of the two warning line segments 4 by means of glue bonding.
In this embodiment, the end surface of the hard body 17 adjacent to the soft sleeve 16 is provided with an inner concave surface 18, and the end of the plug 12 is provided with an outer convex surface 14 which can be attached to the inner concave surface 18. The inner concave surface 18 and the outer convex surface 14 are hemispherical.
The invention realizes the connection of the adjacent early warning line segments 4 through the plug bush and the plug 12, the whole installation and disassembly processes are simple to operate, and the design of the inner concave surface 18, the outer convex surface 14 and the soft sleeve 16 is combined, so that the bending process of the adjacent early warning line segments 4 along with the deformation of the side slope is easier, the structure of the wire plug 9 is almost destroyed, and the wire plug 9 can be reused;
as shown in fig. 3 and 4, the inner wall of the plug bush is provided with contact electric sheets 19 which are arranged at intervals with the conductive contacts 13, and the outer wall of the plug 12 is provided with sliding sheets 15 which are connected with the corresponding conductive contacts 13. The contact electric sheet 19 is connected with the corresponding conductive contact 13 through a sliding switch S, a display lamp L and a built-in power supply E which are sequentially connected in series; when the plug bush is contacted with the corresponding conductive contact 13 of the plug 12, the sliding sheet 15 is contacted with the corresponding contact electric sheet 19; after the sliding switch is started, the display lamp is electrified and turned on. The contact electric sheet 19 and the sliding sheet 15 have certain elasticity, so that the contact is more stable, and the situation that the plug bush is blocked to be plugged with the plug 12 is avoided.
According to the invention, through the arrangement of the contact electric sheet 19 and the sliding sheet 15, when a worker determines a line where deformation is located according to the power-off alarm 2, the worker can determine the disconnection position of the early-warning line 3 by checking whether the display lamp is on after the sliding switch is started; if the display lamp is turned on after the sliding switch is turned on, the turn-off position is indicated to be at a part of the current position far away from the power supply 1; otherwise, the position of disconnection is indicated to be at the part of the current position close to the power supply 1, so that the quick detection of the position of disconnection is realized.
In this embodiment, the power-off alarm 2 is composed of a normally closed relay and an alarm, and the alarm may be a separate buzzer or alarm lamp, or may be a combination of a buzzer and an alarm lamp. In addition, the power-off alarm 2 may also be composed of a normally closed relay and a signal transceiver. The signal transceiver is capable of transmitting the generated alarm signal to a remote terminal over a wireless network.
In addition, the remote terminal receives the alarm signal, and the binding of the receiving address can be realized by scanning the two-dimension code configured by the power-off alarm 2.
In the present embodiment, the power supply 1 is composed of a solar panel 5 and a storage battery 6. In general, the solar cell panel 5 is mounted on a slope body outside the influence range of the slope excavation surface, the storage battery 6 is mounted on the lower portion of the solar cell panel 5, and the storage battery 6 is connected with the electric wire of the solar cell panel 5.
As shown in fig. 2, in this embodiment, the early warning line segment 4 is composed of an inner wire 8 and a hard wire sleeve 7, and the wire sleeve 7 is coaxially sleeved with the inner wire 8.
In the embodiment, each early warning line segment 4 is fixed on the slope surface through a fixing buckle; the fixing buckle comprises a U-shaped card body 10 and an inserting body 11 penetrating through the U-shaped card body 10.
The working process comprises the following steps: according to the invention, the early warning line 3 consisting of the early warning line segments 4 is paved on the slope above the slope excavation surface, when the slope is subjected to various deformations such as sliding down, concave, convex and the like, the adjacent early warning line segments 4 are disconnected from the connected wire bolt 9 in the deformation range, the power-off alarm 2 outputs an alarm signal after power off, and a worker can timely develop emergency measures according to the received alarm signal.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The simple early warning system for the slope construction period is characterized by comprising a power supply (1), an early warning circuit (3) and a power-off alarm (2);
the power-off alarm (2) is connected with the power supply (1) through an early warning circuit (3);
the early warning circuit (3) is paved on the slope;
the early warning line (3) consists of a plurality of early warning line segments (4) and wire bolts (9), and the adjacent early warning line segments (4) are electrically connected through the wire bolts (9);
when the deformation of the slope surface exceeds the standard, at least one group of adjacent early warning line segments (4) are disconnected from the connected wire bolt (9); the power-off alarm (2) outputs an alarm signal after power off;
the electric wire bolt (9) comprises a plug bush and a plug (12), and the plug bush and the plug (12) are fixedly arranged at two ends of the same early warning line segment (4);
conductive contacts (13) are arranged in the plug bush and the plug (12), and the conductive contacts (13) are connected with corresponding early warning line segments (4);
when the plug bush and the plug (12) in the adjacent early warning line segment (4) are connected in an inserting way, the plug bush is contacted with the conductive contact (13) corresponding to the plug (12);
the inner wall of the plug bush is provided with contact electric sheets (19) which are arranged at intervals with the conductive contacts (13), and the outer wall of the plug (12) is provided with sliding sheets (15) which are connected with the corresponding conductive contacts (13);
the contact electric sheet (19) is connected with the corresponding conductive contact (13) through a sliding switch, a display lamp and a built-in power supply which are sequentially connected in series;
when the plug bush is contacted with the corresponding conductive contact (13) of the plug (12), the sliding sheet (15) is contacted with the corresponding contact electric sheet (19); after the sliding switch is started, the display lamp is electrified and turned on.
2. The slope construction period simple early warning system according to claim 1, wherein the electric wire bolt (9) is provided with a power supply socket and at least one power transmission socket, and a plurality of power transmission sockets are arranged in parallel.
3. The slope construction period simple early warning system according to claim 1, wherein the plug bush comprises a hard body (17) and a soft sleeve (16) which is arranged in a hollow mode, the soft sleeve (16) is connected with one side of the hard body (17), and the conductive contact (13) is arranged in the hard body (17).
4. A simple early warning system for a slope construction period according to claim 3, characterized in that the end face of the hard body (17) close to the soft sleeve (16) is provided with an inner concave surface (18), and the end part of the plug (12) is provided with an outer convex surface (14) which can be jointed with the inner concave surface (18).
5. The simple early warning system for the slope construction period according to any one of claims 1 to 4, wherein the power-off alarm (2) consists of a normally closed relay and an alarm, and the alarm is a buzzer and/or an alarm lamp;
or, it is composed of normally closed relay and signal transceiver.
6. The slope construction period simple early warning system according to any one of claims 1 to 4, characterized in that the power supply (1) consists of a solar panel (5) and a storage battery (6).
7. The slope construction period simple early warning system according to any one of claims 1 to 4, characterized in that the early warning line segment (4) consists of an inner wire (8) and a hard wire sleeve (7), and the wire sleeve (7) is coaxially sleeved with the inner wire (8).
8. The simple early warning system for the slope construction period according to any one of claims 1 to 4, wherein the early warning line segment (4) is fixed on the slope by at least one fixing buckle;
the fixing buckle comprises a U-shaped card body (10) and an inserting body (11) penetrating through the U-shaped card body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111423523.3A CN114093134B (en) | 2021-11-26 | 2021-11-26 | Simple early warning system for slope construction period |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111423523.3A CN114093134B (en) | 2021-11-26 | 2021-11-26 | Simple early warning system for slope construction period |
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| CN114093134A CN114093134A (en) | 2022-02-25 |
| CN114093134B true CN114093134B (en) | 2023-07-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002228404A (en) * | 2001-02-05 | 2002-08-14 | Erumekku Denshi Kogyo Kk | Landslide detection system |
| CN101667328A (en) * | 2008-09-03 | 2010-03-10 | 中国石油天然气股份有限公司 | Method and system for monitoring and warning pipeline landslide surface displacement and method for constructing system |
| CN104217542A (en) * | 2014-09-12 | 2014-12-17 | 重庆大学 | Mountain road slope real-time monitoring and early warning device |
| CN104715145A (en) * | 2015-03-04 | 2015-06-17 | 中国科学院力学研究所 | Analytical method of stability safety of side slope |
| CN109615829A (en) * | 2019-01-18 | 2019-04-12 | 西南交通大学 | A kind of novel monitoring of mud-rock flow mud position and disaster alarm device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944274A (en) * | 2010-10-09 | 2011-01-12 | 张春阳 | Landside and mud-rock flow alarm |
| CN102280007A (en) * | 2011-01-25 | 2011-12-14 | 交通运输部公路科学研究院 | Net type collapse disaster monitoring and prewarning system |
| CN103926504A (en) * | 2014-05-08 | 2014-07-16 | 佛山市新基德电子厂有限公司 | Single-phase plug-type power supply detector |
| CN104655001B (en) * | 2015-02-09 | 2018-01-19 | 山东大学 | Automated watch-keeping facility and application method for tall and big slope deforming key position |
| CN104655101B (en) * | 2015-02-13 | 2017-08-04 | 中国公路工程咨询集团有限公司浙江分公司 | High Precision Traverses formula tunneling boring stability of slope monitoring and warning system and its monitoring method |
| CN204731942U (en) * | 2015-06-24 | 2015-10-28 | 中铁西北科学研究院有限公司深圳南方分院 | The simple and easy monitoring warning device of landslide disaster |
| CN206075483U (en) * | 2016-08-31 | 2017-04-05 | 中国水电四局（祥云）机械能源装备有限公司 | A kind of simple retaining wall displacement warning device |
| CN107085926B (en) * | 2017-06-29 | 2019-01-04 | 重庆三峡学院 | A kind of novel intelligent Geological Hazards Monitoring device |
| CN110648504B (en) * | 2019-09-30 | 2020-12-25 | 中南大学 | Landslide disaster monitoring device and method |
| CN110954140A (en) * | 2019-11-13 | 2020-04-03 | 西安重光明宸检测技术有限公司 | Detection apparatus suitable for side slope weighs down thing |
| CN112636121A (en) * | 2021-01-14 | 2021-04-09 | 周建峰 | Novel charging wire of automobile charging pile |
-
2021
- 2021-11-26 CN CN202111423523.3A patent/CN114093134B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002228404A (en) * | 2001-02-05 | 2002-08-14 | Erumekku Denshi Kogyo Kk | Landslide detection system |
| CN101667328A (en) * | 2008-09-03 | 2010-03-10 | 中国石油天然气股份有限公司 | Method and system for monitoring and warning pipeline landslide surface displacement and method for constructing system |
| CN104217542A (en) * | 2014-09-12 | 2014-12-17 | 重庆大学 | Mountain road slope real-time monitoring and early warning device |
| CN104715145A (en) * | 2015-03-04 | 2015-06-17 | 中国科学院力学研究所 | Analytical method of stability safety of side slope |
| CN109615829A (en) * | 2019-01-18 | 2019-04-12 | 西南交通大学 | A kind of novel monitoring of mud-rock flow mud position and disaster alarm device |
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