CN107941388A - Distributed intelligence scaffold base stress monitors system - Google Patents
Distributed intelligence scaffold base stress monitors system Download PDFInfo
- Publication number
- CN107941388A CN107941388A CN201810028073.XA CN201810028073A CN107941388A CN 107941388 A CN107941388 A CN 107941388A CN 201810028073 A CN201810028073 A CN 201810028073A CN 107941388 A CN107941388 A CN 107941388A
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- Prior art keywords
- scaffold base
- scaffold
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- distributed intelligence
- bridge circuit
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 26
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 239000011888 foil Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010835 comparative analysis Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention relates to scaffold safety monitoring technology field, more particularly to a kind of distributed intelligence scaffold base stress monitoring system, including the strain transducer being integrated on each scaffold base and unified wireless multi-channel synchronous acquisition equipment.The strain transducer is resistance strain sensor, uses the stress of resistance strain gage access bridge circuit measurement scaffold base.The wireless multi-channel synchronous acquisition equipment includes bridge circuit, signal conditioner, multi-channel a/d converter, microcontroller and wireless transport module.The output of one bridge circuit accesses an input channel of multi-channel a/d converter after signal condition, and microcontroller is inputted after A/D is changed.The stress comparative analysis for each scaffold base that the microcontroller arrives synchronous acquisition, judges whether the stress between each base uniform, and is issued warning signal when beyond early warning value, avoid because of the unstability of scaffold and caused by casualty accident.
Description
Technical field
The present invention relates to scaffold safety monitoring technology field, more particularly to a kind of distributed intelligence scaffold base stress
Condition monitoring system.
Background technology
Scaffold is indispensable temporary facility in construction, be for ensure high-rise working safety, smooth construction and
The workbench or operation path set up, have extensive in the installation of structure construction, decoration construction and equipment pipe
Using.
The scaffold security incident of China's construction in recent years takes place frequently, whether caused by scaffold entirety or local buckling
Topple, cave in, or scaffold take tear open and frame on operating personnel high falling, cause serious casualty accident.
Steel pipe scaffold upright bar sets base, can anti-sliding stop and uneven subsidence.Under normal circumstances, construction operation area
Interior different scaffold base stress are uniform.When scaffold unstability, the stress between scaffold base can occur
Bigger difference.If real-time monitoring can be synchronized to the stress of multiple scaffold bases in working region, at it
Timely early warning during unbalance stress, it is possible to avoid the unstability of whole scaffold, cave in, so as to reduce security incident, avoid personnel
Injures and deaths.
The content of the invention
Collapse to prevent the unstability of scaffold, the present invention provides a kind of distributed intelligence scaffold base stress prison
Examining system, synchronizes the stress of scaffold base in construction operation area collection, monitoring, and in its unbalance stress or
Timely early warning when transfiniting.
In order to solve the above technical problems, the present invention takes following technical scheme：A kind of distributed intelligence scaffold base by
Power condition monitoring system, including the strain transducer being integrated on each scaffold base and the synchronization of unified wireless multi-channel
Collecting device.
Specifically, the scaffold base can be fixed base or adjustable setting, and the fixed base can be with
It is jacket-type or interpolation type.
Further, the strain transducer is integrated on the bottom plate of scaffold base.
Further, the output of the strain transducer is connected to the input of wireless multi-channel synchronous acquisition equipment, described
The output of wireless multi-channel synchronous acquisition equipment is sent to remote pc client by being wirelessly transferred.
Preferably, the strain transducer that the scaffold base integrates is resistance strain sensor, uses resistance strain gage
Measure the change of scaffold base stress.The quantity of the resistance strain gage is typically four, in order to reach more preferable prison
Effect is surveyed, six or eight can be expanded to.The resistance strain gage is uniformly integrated on the bottom plate of scaffold base.
Preferably, the resistance strain sensor uses bridge circuit as measuring circuit, and the bridge circuit uses four points
One of a kind of working method in bridge, half-bridge or full-bridge.During using half-bridge or full-bridge circuit, opposite foil gauge is accessed into electric bridge
Adjacent two-arm.
Further, the wireless multi-channel synchronous acquisition equipment includes bridge circuit, signal conditioner, multichannel A/D
Converter, microcontroller and wireless transport module.The output of the bridge circuit is connected to the input of signal conditioner, the letter
The output of number conditioner is connected to the input of multi-channel a/d converter, and the output of the multi-channel a/d converter is connected to micro-control
The input of device processed, the output of the microcontroller are connected to the input of wireless transport module.
Further, the resistance strain gage access bridge circuit of the resistance strain sensor, bridge circuit it is defeated
Go out after signal condition to access an input channel of multi-channel a/d converter.
Preferably, the signal conditioner can the signal of pair of strain sensors collection carry out error compensation and necessary put
Big processing.
Preferably, output synchronous acquisition of the multi-channel a/d converter to differently strained sensor, and by analog signal
Digital signal is converted into, easy to signal processing and transmission.
Further, the microcontroller in the wireless multi-channel synchronous acquisition equipment exports multi-channel a/d converter
Digital signal carry out digital filtering, analyzing and processing, handling result is sent to remote pc client by wireless transport module.
The beneficial effects of the invention are as follows：System is monitored by distributed intelligence scaffold base stress, construction is made
Stressing conditions in industry region between scaffold base are monitored in real time, and by wireless transport module by real time data and report
Alert information is sent to remote pc client, so as to find that unstability of the scaffold during installation and use, overload etc. are asked in time
Topic, prevents caving in for scaffold, ensures construction safety.
Brief description of the drawings
Fig. 1 is the overlooking structure figure of distributed intelligence scaffold base stress monitoring system of the present invention.
Fig. 2 is the theory structure block diagram of distributed intelligence scaffold base stress monitoring system of the present invention.
Embodiment
Below in conjunction with attached drawing, the present invention will be described in detail.
Embodiment 1
The overlooking structure figure of distributed intelligence scaffold base stress monitoring system of the present invention is as shown in Figure 1, Fig. 1 is system
The schematic diagram of structure, scaffold base that distributed intelligence scaffold base stress monitoring system can monitor are simultaneously unlimited
In eight.The scaffold base can be fixed base or adjustable setting, and the fixed base can be jacket-type
Or interpolation type.The implementation principle of the present invention is as shown in Figure 2.
The distributed intelligence scaffold base stress monitors system, including the strain being integrated on scaffold base
Sensor and wireless multi-channel synchronous acquisition equipment.
Specifically, the strain transducer is integrated on the bottom plate of scaffold base, and the output of the strain transducer connects
The input of wireless multi-channel synchronous acquisition equipment is connected to, the output of the wireless multi-channel synchronous acquisition equipment is by being wirelessly transferred
It is sent to remote pc client.
Preferably, the strain transducer that the scaffold base integrates is resistance strain sensor, uses resistance strain gage
Measure the change of scaffold base stress.The quantity of the resistance strain gage is typically four, in order to reach more preferable prison
Effect is surveyed, six or eight can be expanded to.The resistance strain gage is uniformly integrated on the bottom plate of scaffold base.
Preferably, the resistance strain sensor uses bridge circuit as measuring circuit, and the bridge circuit uses four points
One of a kind of working method in bridge, half-bridge or full-bridge.During using half-bridge or full-bridge circuit, opposite foil gauge is accessed into electric bridge
Adjacent two-arm.Due to two opposite resistance strain gage positional symmetries, stress is on the contrary, when foil gauge because stress produces deformation
When, electric bridge disequilibrium, so as to produce differential signal, this differential signal reflects the change of scaffold base stress.
Further, the wireless multi-channel synchronous acquisition equipment includes bridge circuit, signal conditioner, multichannel A/D
Converter, microcontroller and wireless transport module.The output of the bridge circuit is connected to the input of signal conditioner, the letter
The output of number conditioner is connected to the input of multi-channel a/d converter, and the output of the multi-channel a/d converter is connected to micro-control
The input of device processed, the output of the microcontroller are connected to the input of wireless transport module.Further, the resistance-strain passes
The resistance strain gage access bridge circuit of sensor, the output of a bridge circuit access multichannel A/D after signal condition and turn
One input channel of parallel operation.
When it is implemented, the scaffold base in construction operation area is numbered, and scaffold base will be integrated in
Strain transducer access wireless multi-channel synchronous acquisition equipment on bottom plate.A/ in the wireless multi-channel synchronous acquisition equipment
D converters input microcontroller after the analog signal received is converted into digital signal.The microcontroller is collected into each
Scaffold base is compared it analysis, judges the stress between each base in the stress information of same time point
Whether uniformly, and compared with the early warning value with setting in advance, issued warning signal when beyond early warning value.It is specifically divided into three
Kind situation：Have scaffold base it is hanging, have that base carrying is overweight, has the base inclined.The microcontroller is by early warning position
Put, early warning reason and warning level are sent to remote pc client by wireless transport module.Monitoring personnel is according to received
Warning information in time checks corresponding position, is adjusted, so as to ensure the normal work of scaffold, avoids caused by unstability
Casualty accident.When there is no early warning, monitoring personnel can also remote pc client ask to check be stored in it is described wireless
Real time data and history warning message in multichannel synchronousing collection equipment.
In the above-described embodiments, the signal of the signal conditioner pair of strain sensors collection carries out error compensation and must
The enhanced processing wanted, output synchronous acquisition of the multi-channel a/d converter to differently strained sensor, and analog signal is turned
Digital signal is changed into, easy to signal processing and transmission.
In the above-described embodiments, the microcontroller of the wireless multi-channel synchronous acquisition equipment has data acquisition control work(
Can, synchronizing clock signals are transported to multi-channel a/d converter, control its synchronous acquisition to information.The clock signal
Frequency can be set according to actual conditions.In addition, the microcontroller, which can dock received digital signal, carries out digital filtering, go
Except noise.And then the microcontroller carries out corresponding data processing to signal, the stress of scaffold base is analyzed, is sentenced
Disconnected scaffold base whether there is unstability or overload, and warning message is reported to remote pc client by wireless transport module.It is excellent
Selection of land, the microcontroller have storage control function, can store real time data and history warning message.
Embodiment 2
As shown in Figs. 1-2, the structure of distributed intelligence scaffold base stress monitoring system of the present invention and implementation principle are same
Embodiment 1.
When it is implemented, the scaffold of whole construction site to be divided into different regions, each scaffold will be integrated in
Strain transducer access wireless multi-channel synchronous acquisition equipment on base.It is more in the wireless multi-channel synchronous acquisition equipment
Passage A/D converter inputs microcontroller after the analog signal received is converted into digital signal.The microcontroller is collected
Stress information of each scaffold base in same time point is arrived, to the synthesis of scaffold base in each working region
Stress is analyzed, and the stressing conditions between different zones are compared, so as to judge whether whole region
Sink, be hanging or tilt, and issue warning signal.The microcontroller is by early warning position, early warning reason and warning level
Remote pc client is sent to by wireless transport module.Monitoring personnel is according to received warning information in time to corresponding region
Checked, adjusted, thus avoid because of the unstability of scaffold and caused by casualty accident.When there is no early warning, monitoring personnel
It can also ask to check the real time data being stored in the wireless multi-channel synchronous acquisition equipment and go through in remote pc client
History warning message.
The invention is not restricted to the above embodiment, made any to the above embodiment aobvious of those skilled in the art and
The improvement or change being clear to, all without the design beyond the present invention and the protection domain of appended claims.
Claims (11)
1. a kind of distributed intelligence scaffold base stress monitors system, it is characterised in that including being integrated in each foot hand
Strain transducer and unified wireless multi-channel synchronous acquisition equipment on frame base.
2. distributed intelligence scaffold base stress according to claim 1 monitors system, it is characterised in that described
Scaffold base can be fixed base or adjustable setting, and the fixed base can be jacket-type or interpolation type.
3. distributed intelligence scaffold base stress according to claim 1 monitors system, it is characterised in that described
Strain transducer is integrated on the bottom plate of scaffold base.
4. distributed intelligence scaffold base stress according to claim 1 monitors system, it is characterised in that described
The output of strain transducer is connected to the input of wireless multi-channel synchronous acquisition equipment, the wireless multi-channel synchronous acquisition equipment
Output be sent to remote pc client by being wirelessly transferred.
5. distributed intelligence scaffold base stress according to claim 1 monitors system, it is characterised in that described
The strain transducer that scaffold base integrates is resistance strain sensor, uses strain gage testing scaffold base stress shape
The change of state.
6. distributed intelligence scaffold base stress according to claim 5 monitors system, it is characterised in that described
The quantity of resistance strain gage is typically four in resistance strain sensor, in order to reach more preferable monitoring effect, is extended to six
A or eight, the resistance strain gage is uniformly integrated on the bottom plate of scaffold base.
7. distributed intelligence scaffold base stress according to claim 5 monitors system, it is characterised in that described
Resistance strain sensor uses bridge circuit as measuring circuit, and the bridge circuit is used in a quarter bridge, half-bridge or full-bridge
A kind of working method.
8. distributed intelligence scaffold base stress according to claim 7 monitors system, it is characterised in that described
When resistance strain sensor is using the working method of half-bridge or full-bridge circuit, by adjacent the two of opposite foil gauge access electric bridge
Arm.
9. distributed intelligence scaffold base stress according to claim 1 monitors system, it is characterised in that described
Wireless multi-channel synchronous acquisition equipment includes bridge circuit, signal conditioner, multi-channel a/d converter, microcontroller and wireless
Transport module.
10. distributed intelligence scaffold base stress according to claim 9 monitors system, it is characterised in that institute
State in wireless multi-channel synchronous acquisition equipment, the output of the bridge circuit is connected to the input of signal conditioner, the signal
The output of conditioner is connected to the input of multi-channel a/d converter, and the output of the multi-channel a/d converter is connected to microcontroller
The input of device, the output of the microcontroller are connected to the input of wireless transport module.
11. the distributed intelligence scaffold base stress monitoring system according to claim 5-10, it is characterised in that
The resistance strain gage access bridge circuit of the resistance strain sensor, the output of a bridge circuit are followed by by signal condition
Enter an input channel of multi-channel a/d converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028073.XA CN107941388A (en) | 2018-01-11 | 2018-01-11 | Distributed intelligence scaffold base stress monitors system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028073.XA CN107941388A (en) | 2018-01-11 | 2018-01-11 | Distributed intelligence scaffold base stress monitors system |
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| Publication Number | Publication Date |
|---|---|
| CN107941388A true CN107941388A (en) | 2018-04-20 |
Family
ID=61938588
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810028073.XA Pending CN107941388A (en) | 2018-01-11 | 2018-01-11 | Distributed intelligence scaffold base stress monitors system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141709A (en) * | 2018-07-03 | 2019-01-04 | 合肥工业大学 | A kind of distribution scaffold stress monitoring system |
| CN109708797A (en) * | 2019-02-19 | 2019-05-03 | 上海交通大学 | A kind of acquisition of real-time stress and remote supervision system suitable for ocean engineering experiment |
| CN110118620A (en) * | 2019-05-22 | 2019-08-13 | 易众智慧科技(天津)有限公司 | A kind of intelligent steel support shaft pressure sensor and system |
| CN110274537A (en) * | 2019-07-20 | 2019-09-24 | 交通运输部公路科学研究所 | Can cooperated computing the synchronous dynamic strain sensor of intelligent multi-channel |
| CN110567631A (en) * | 2019-09-08 | 2019-12-13 | 北京化工大学 | Wireless monitoring and measuring device for tank bolt |
| WO2023172152A1 (en) * | 2022-03-07 | 2023-09-14 | Scaffolder Energy Sp. Z O.O. | Scaffolding load control and monitoring device and system for such purposes |
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| CN204666090U (en) * | 2015-06-17 | 2015-09-23 | 中铁十一局集团第二工程有限公司 | A kind of comprehensive strain monitoring system being applicable to builder's jack |
| CN106840265A (en) * | 2017-02-23 | 2017-06-13 | 云南云岭高速公路工程咨询有限公司 | A kind of scaffold safety pre-warning system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141709A (en) * | 2018-07-03 | 2019-01-04 | 合肥工业大学 | A kind of distribution scaffold stress monitoring system |
| CN109708797A (en) * | 2019-02-19 | 2019-05-03 | 上海交通大学 | A kind of acquisition of real-time stress and remote supervision system suitable for ocean engineering experiment |
| CN110118620A (en) * | 2019-05-22 | 2019-08-13 | 易众智慧科技(天津)有限公司 | A kind of intelligent steel support shaft pressure sensor and system |
| CN110274537A (en) * | 2019-07-20 | 2019-09-24 | 交通运输部公路科学研究所 | Can cooperated computing the synchronous dynamic strain sensor of intelligent multi-channel |
| CN110274537B (en) * | 2019-07-20 | 2024-04-02 | 交通运输部公路科学研究所 | Intelligent multichannel synchronous dynamic strain sensor capable of being cooperatively calculated |
| CN110567631A (en) * | 2019-09-08 | 2019-12-13 | 北京化工大学 | Wireless monitoring and measuring device for tank bolt |
| WO2023172152A1 (en) * | 2022-03-07 | 2023-09-14 | Scaffolder Energy Sp. Z O.O. | Scaffolding load control and monitoring device and system for such purposes |
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