CN105301596B - A kind of crane lift truck closes on current potential operation range measurement and alarm method - Google Patents
A kind of crane lift truck closes on current potential operation range measurement and alarm method Download PDFInfo
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- CN105301596B CN105301596B CN201510777300.5A CN201510777300A CN105301596B CN 105301596 B CN105301596 B CN 105301596B CN 201510777300 A CN201510777300 A CN 201510777300A CN 105301596 B CN105301596 B CN 105301596B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
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- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention belongs to the monitoring of electrification in high voltage safety work construction safety and wireless communication fields, it discloses a kind of crane lift truck and closes on current potential operation range measurement and alarm method, this method passes through range measurement, information wireless transmission and data fusion, realize real-time and accurate measurement construction personnel and equipment at a distance from electrical body and safe early warning, it prevents because contacting the accidents such as the electric shock closely generated electric shock with electrical body, it causes any property loss and the serious accidents such as casualties, the grade of construction safety is improved simultaneously, greatly improve maintenance efficiency, improve working security.The present invention is monitored for electrification in high voltage safety work construction safety, and Multi-angle ultrasound wave sensor is able to achieve no dead angle measurement；The wireless network of Wi-Fi hotspot is flexible for installation；Control room can obtain construction site information at any time, constitute range measurement and security alarm system, fundamentally solve the problems, such as the safe distance measurement of electrification in high voltage safety work construction.
Description
Technical field
The present invention relates to the monitoring of electrification in high voltage safety work construction safety, specifically a kind of crane lift truck closes on current potential work
Industry range measurement and alarm method.
Background technique
With the rapid development of our country's economy, the construction scale of power grid has a development advanced by leaps and bounds, livewire work also at
It is safe and reliable operation and the raising of electric system for the important means of power equipment test, maintenance and transformation in power grid construction
Economic benefit has played highly important effect.But its problems faced is also more and more, livewire work can be to trouble free service
Bigger difficulty is brought, is taken place frequently in recent years raw due to causing safety accident too close to charging equipment, so that national economy is raw
Production is subject to heavy losses.Currently, the environment parameter of monitoring can be more complicated with the progress of livewire work.If using artificial
Monitoring means can have drawback: 1) due to manually monitoring depend on manual observations, and observer is obstructed because of absent-mindedness, visual angle
Reason appearance is accidentally commanded, and will lead to the pernicious safety accident such as equipment electric shock damage and personnel's electric shock injures and deaths；2) for observer
The requirement of specialized capability is very high, while also increasing engineering cost.In this case, project passes a kind of ultrasonic wave with high accuracy
Sensor distance measuring method closes in current potential operation safety range measurement applied to crane lift truck, and device measurement accuracy is high, can
It is larger to survey distance range, the generation of safety accident can be efficiently reduced.
Summary of the invention
In order to solve the above technical problems, the present invention, which provides a kind of crane lift truck, closes on current potential operation range measurement and alarm
Method, this method can not only improve the security reliability for closing on current potential operation, and can effectively reduce false dismissal, enhance early warning；
The limitation that original system alarm lags behind accident is broken through, realizes and just can know that boom situation at a distance from high-voltage line in operating room,
Reduce electric power accident influences caused by personnel.
The technical scheme adopted by the invention is that:
A kind of crane lift truck closes on current potential operation range measurement and alarm method, comprising the following steps:
Step 1: using being mounted on the ultrasonic sensor of the front of boom, left, right, top to four sides of boom
The range measurement of the progress electrical body of plane, by the single-chip microcontroller of obtained data transmission to distance-measuring device；
Step 2: four groups of range data are emitted to the alarm of crane lift truck control room by wireless WiFi transmitting module
In the single-chip microcontroller of device；
Step 3: the wireless WiFi receiving module of alarm device receives four groups of range data；
Step 4: the single-chip microcontroller of alarm device receives four groups of range data, shows its numerical value and direction in display, simultaneously
Four groups of data are handled, minimum range data are selected, minimum range data are judged: if its value is equal to or small
In the safe distance of working environment, then five are entered step；If its value is greater than the safe distance of working environment, enter step
One；
Step 5: single-chip microcontroller starts alarm device, issues sound flash alarm system signal.
Through the above steps, it completes to close on crane lift truck current potential operation range measurement and alarm is latched.
A kind of crane lift truck of the present invention closes on current potential operation range measurement and alarm method, and technical effect is as follows:
1), distance-measuring device is responsible for measuring when closing on current potential operation boom at a distance from surrounding objects, realizes without dead
Angular distance measurement.Crane lift truck control room is transferred data to by wireless WiFi, provides reliable data ginseng for its manipulation
It examines.
2), alarm device receives the data of distance-measuring device by wireless WiFi, when received data are equal to or less than
When safe distance, alarm device can issue audible and visual alarm signal, remind the personnel of crane lift truck control room, effectively achieve pre-
Alert effect, on boom construction personnel safety guarantee is provided.
3), Multi-angle ultrasound wave sensor is able to achieve no dead angle measurement；The wireless network of Wi-Fi hotspot is flexible for installation；Control
Room can obtain construction site information at any time.
4), the present invention establishes the method without dead angle ranging in construction space, can realize conduct monitoring at all levels to surrounding, guarantee
The safety of construction personnel.The present invention realizes the wireless transmission of ranging information, overcomes the wiring challenge of wired data transfer, mentions
The high efficiency of data transmission, reduces engineering cost.The interference that ultrasonic distance-measuring sensor measurement of the invention receives is small, surveys
Accuracy of measurement is high, and measurable range is big, greatly improves the reliability of range measurement.
Detailed description of the invention
Fig. 1 is that distance-measuring device hardware of the invention connects block diagram.
Fig. 2 is range measurement software program process block diagram of the invention.
Fig. 3 is alarm device software program process block diagram of the invention.
Fig. 4 is that alarm device hardware of the invention connects block diagram.
Specific embodiment
Fig. 1 is that distance-measuring device hardware of the invention connects block diagram, when crane lift truck carries out closing on current potential operation,
Immediately ahead of its boom, left, right, top mounting distance measuring device, full side is carried out to four mobile azimuth planes of boom
The range measurement of position.
Step 1: distance-measuring device carries out range measurement, ultrasonic distance-measuring sensor by ultrasonic distance-measuring sensor
Have the characteristics that interference is small, accuracy is high, measurable range is big, and this very thin object of power cable can also detect
It arrives.The Distance Transmission of boom and neighbouring object that the ultrasonic distance-measuring sensor of each azimuth plane obtains detection is mono- to STM32
Piece machine.
Step 2: distance-measuring device carries out data transmitting by wireless WiFi technology to measurement data, as shown in Fig. 2,
It emits detailed process are as follows:
2.1: single-chip microcontroller starts to initialization of (a) serial ports；
2.2: sending OXB1 instruction to serial ports 1；
2.3: the mutual biography program of starting 1/ serial ports 2 of serial ports, and wait；
2.4: judging whether serial ports 2 receives data: if serial ports 2 does not receive data, returning to step 2.3；If serial ports 2 is received
To data, then emit completion；
Step 3: alarm device receives data by wireless WiFi technology, as shown in figure 3, its detailed process are as follows:
3.1: single-chip microcontroller starts to initialization of (a) serial ports；
3.2: the mutual biography program of starting 1/ serial ports 2 of serial ports, and wait；
3.3: judging whether serial ports 2 receives data: if serial ports 2 does not receive data, returning step 3.2；If serial ports 2 receives
Data then enter step 3.4；
3.4: sending the signal of " receiving data " to serial ports 1, complete the reception of transmission data.
Fig. 4 is that alarm device hardware of the invention connects block diagram.It is mounted in the control room of crane lift truck, to controlling
Operator in room plays alarm.
Step 4: the STM32 single-chip microcontroller of alarm device receives four groups of range data, be allowed to display show its numerical value and
Direction, while four groups of data are handled, the smallest range data is obtained by comparing, minimum range data are sentenced
It is disconnected: if its value is equal to or less than the safe distance of working environment, to enter step five；If its value is greater than working environment
Safe distance then enters step one；The safe distance value according to closing on current potential construction related specifications and previous similar engineering experience,
It is predefined before construction, as shown in table 1.
Step 5: when the STM32 single-chip microcontroller in alarm device judges that lowest distance value is equal to or less than safe distance,
Then start warning lamp, issues audible and visible alarm signal.
Table 1: safe distance value according to close on current potential construction related specifications
Claims (1)
1. a kind of crane lift truck closes on current potential operation range measurement and alarm method, it is characterised in that the following steps are included:
Step 1: using being mounted on the ultrasonic distance-measuring sensor of the front of boom, left, right, top to four sides of boom
The range measurement of the progress electrical body of plane, the boom that the ultrasonic distance-measuring sensor of each azimuth plane obtains detection is near
The Distance Transmission of object is to single-chip microcontroller；
Step 2: four groups of range data are emitted to the alarm device of crane lift truck control room by wireless WiFi transmitting module
Single-chip microcontroller in；
It emits detailed process are as follows:
2.1: single-chip microcontroller starts to initialization of (a) serial ports；
2.2: sending OXB1 instruction to serial ports 1；
2.3: the mutual biography program of starting 1/ serial ports 2 of serial ports, and wait；
2.4: judging whether serial ports 2 receives data: if serial ports 2 does not receive data, returning to step 2.3；If serial ports 2 receives number
According to then emitting completion；
Step 3: the wireless WiFi receiving module of alarm device receives four groups of range data, detailed process are as follows:
3.1: single-chip microcontroller starts to initialization of (a) serial ports；
3.2: the mutual biography program of starting 1/ serial ports 2 of serial ports, and wait；
3.3: judging whether serial ports 2 receives data: if serial ports 2 does not receive data, returning step 3.2；If serial ports 2 receives number
According to then entering step 3.4；
3.4: sending the signal of " receiving data " to serial ports 1, complete the reception of transmission data；
Step 4: the single-chip microcontroller of alarm device receives four groups of range data, shows its numerical value and direction in display, while to four
Group data are handled, and are selected minimum range data, are judged minimum range data: if its value is equal to or less than work
The safe distance for making environment, then enter step five；If its value is greater than the safe distance of working environment, one is entered step；It should
Safe distance value predefines, specifically such as according to current potential construction related specifications and previous similar engineering experience is closed on before construction
Under:
1.: when earth potential working, the person and electrical body minimum safe distance: voltage class 110KV:1.0m；Voltage class
220KV:1.8m；Voltage class 500KV:3.2m；
2.: the minimum effective insulated lengths of insulating bar: voltage class 110KV:1.3m；Voltage class 220KV:2.1m；Voltage
Class 5 00KV:4.0m；
3.: the minimum effective insulated lengths of insulation bearing tool, insulation ropes: voltage class 110KV:1.0m；Voltage class
220KV:1.8m；Voltage class 500KV:3.7m；
4.: minimum safe distance of the equipotential live line work personnel to grounding body: voltage class 110KV:1.0m；Voltage class 220KV:
1.8m；Voltage class 500KV:3.2m；
5.: minimum safe distance of the equipotential live line work personnel to adjacent phase conductor: voltage class 110KV:1.4m；Voltage class
220KV:2.5m；Voltage class 500KV:5.0m；
6.: the minimum combination gap in equipotential live line work: voltage class 110KV:1.2m；Voltage class 220KV:2.1m；Voltage
Class 5 00KV:4.0m；
7.: the minimum safe distance of human body exposed part and electrical body when shifting current potential in equipotential live line work: voltage class
110KV:0.3m；Voltage class 220KV:0.3m；Voltage class 500KV:0.4m；
8.: the minimum safe distance between operating personnel and insulated static wire: voltage class 110KV:0.4m；Voltage class
220KV:0.4m；Voltage class 500KV:0.4m；
9.: the effective insulated lengths of minimum of insulation arm: voltage class 110KV:2.0m；Voltage class 220KV:3.0m；
Step 5: when the single-chip microcontroller in alarm device judges that lowest distance value is equal to or less than safe distance, then start police
Show lamp, issues audible and visible alarm signal；
Through the above steps, it completes to close on crane lift truck current potential operation range measurement and alarm is latched.
Priority Applications (1)
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| CN201510777300.5A CN105301596B (en) | 2015-11-13 | 2015-11-13 | A kind of crane lift truck closes on current potential operation range measurement and alarm method |
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| CN201510777300.5A CN105301596B (en) | 2015-11-13 | 2015-11-13 | A kind of crane lift truck closes on current potential operation range measurement and alarm method |
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| CN105301596B true CN105301596B (en) | 2018-12-07 |
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| CN107585690B (en) * | 2017-07-01 | 2020-04-07 | 山东信通电子股份有限公司 | Vehicle-mounted high-voltage early warning device and implementation method |
| CN107976216A (en) * | 2017-11-15 | 2018-05-01 | 国网湖南省电力公司检修公司 | A kind of live-working safety early warning system |
| CN110550586A (en) * | 2018-05-30 | 2019-12-10 | 国网福建省电力有限公司龙岩供电公司 | Alarm device for insufficient extension length of insulating arm of insulating bucket arm vehicle |
| CN111210594A (en) * | 2020-02-13 | 2020-05-29 | 南京工程学院 | Overhead line crane external-damage-prevention safety distance monitoring and alarming method and system |
| CN112258762A (en) * | 2020-10-22 | 2021-01-22 | 广东智能调试科技有限公司 | Intelligent monitoring system for high-voltage field operation space |
| CN114038156A (en) * | 2021-10-27 | 2022-02-11 | 广西电网有限责任公司防城港东兴供电局 | Split type vehicle near-electric induction early warning device |
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Inventor after: Deng Ke Inventor after: Liu Xiaohua Inventor after: Li Ting Inventor after: Hou Xiaosong Inventor after: Wang Qin Inventor after: Hong Ye Inventor after: Huang Xiongfeng Inventor after: Weng Jie Inventor after: Guo Zhiwei Inventor after: Yan Lixiong Inventor after: Yao Qixin Inventor before: Deng Ke Inventor before: Hou Xiaosong Inventor before: Wang Qin Inventor before: Hong Ye Inventor before: Huang Xiongfeng Inventor before: Weng Jie Inventor before: Guo Zhiwei |
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