CN105016209A - Independent multi-channel output device and method for sensor - Google Patents
Independent multi-channel output device and method for sensor Download PDFInfo
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- CN105016209A CN105016209A CN201510462277.0A CN201510462277A CN105016209A CN 105016209 A CN105016209 A CN 105016209A CN 201510462277 A CN201510462277 A CN 201510462277A CN 105016209 A CN105016209 A CN 105016209A
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- signal
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- road
- sensor signal
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Emergency Alarm Devices (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses an independent multi-channel output device and method for a sensor. The system comprises the sensor, a multi-channel sampling circuit, an A/D module, a single-chip microcomputer, a warning unit and a display screen. The sensor is provided with multiple channels of signal output ports and is used for producing multiple channels of parallel output sensor signals. The multi-channel sampling circuit is connected with all the channels of signal output ports of the sensor and used for collecting all the channels of sensor signals. The A/D module is used for converting all the channels of sensor signals collected by the multi-channel sampling circuit into digital signals respectively. The single-chip microcomputer is used for processing all the channels of digital signals output by the A/D module respectively. By adopting the independent multi-channel output device and method for the sensor, the service life and the reliability of a system are effectively guaranteed, and the technical content of a tower crane is increased, wherein the service life and the reliability of the system are guaranteed mainly by monitoring all the channels of sensor signals of the sensor; it is guaranteed that the error between a measured result and an actual value of the sensor is minimized.
Description
Technical field
The present invention relates to sensor independence multiple-channel output device and output intent thereof, belong to monitoring and the security fields of tower machine.
Background technology
Electronic product is in use and design, in order to the safety and reliability used, in traditional design except guarantee technological quality, all can carry out backup design according to different environments for use, can be compared to and implant dual system, and even and dual sensor multiple-channel output backup etc.
Tower crane monitoring system belongs to tower machine safety device, the reliability requirement of itself is high, tower crane monitoring system often uses LOAD CELLS and obliquity sensor, along with the increase of tenure of use, the damage rate of these sensors is higher, and so far, the damage monitoring of sensor is not still accomplished to the high reliability standards of system.
Summary of the invention
The object of the present invention is to provide sensor independence multiple-channel output device and output intent thereof, mainly solve the problem that sensor that existing tower crane monitoring system uses can not get monitoring well, make to cause the reliability of whole tower crane monitoring system not high.
To achieve these goals, the technical solution used in the present invention is as follows:
Sensor independence multiple-channel output device, comprises sensor, multi-sampling circuit, A/D module, micro controller system, annunciator, read-out;
Sensor, has multi-path signal output port, produces the sensor signal that multidiameter delay exports;
Multi-sampling circuit, is connected with each road signal output port of sensor, for gathering every road sensor signal;
A/D module, is converted to digital signal respectively for the every road sensor signal collected by multi-sampling circuit;
Micro controller system, processes respectively to every railway digital signal that A/D module exports;
Read-out, shows the value of multiply digital signals Zhong mono-road signal and damages prompting accordingly;
Annunciator, provides the audible alarm information that sensor has damage.
Particularly, described sensor is LOAD CELLS or obliquity sensor, and often kind of sensor includes the 2 above signal output ports in road.
Further, described micro controller system adopts STM32F micro controller system.
The output intent of sensor independence multiple-channel output device, comprises the steps:
101. bring into operation, port and state initialization;
102. multi-sampling circuits respectively to multiple sensor signal sampling, and carry out analogue to digital conversion respectively;
103. micro controller systems judge whether that sampling is normal, if sampling is normal, Ji Mei road sensor signal all collects, then perform step 11; If sampling mal, then perform step 12;
11. micro controller systems are by the direct output display of a wherein road signal in multiple sensor signal, a rear road signal is monitored this road signal, each road signal is then monitored last road signal successively, if for this road signal corruption of output display, then make and damage prompting, switch to a unspoiled rear road signal output display, and it is monitored, signal He Hou mono-road, last road signal described herein there is no time order and function, sequential is identical, just in order to signal distinguishing of going the same way is named;
If 12. only collect a road sensor signal, then perform step 121;
If collect the above sensor signal of two-way, the sensor signal collected is performed step 11;
If all do not collect, then perform step 122;
121. micro controller systems judge the Shi Na road sensor signal gathered, and the value of this road sensor signal of output display also makes the damage prompting of other road sensor signals;
122. damages directly making this sensor are pointed out.
Particularly, in described step 11, micro controller system is by the direct output display of first via signal in multiple sensor signal, and the second road signal is monitored first via signal, and the 3rd road signal is monitored the second road signal, circulate with this, if first via signal corruption, then make the damage prompting of this road signal, switch to the second road signal output display, 3rd road signal is monitored the second road signal, circulates with this.
Further, the specific implementation method of described step 11 comprises the steps:
111. micro controller systems demarcate computing to multiple sensor signal simultaneously, and record state and the attribute of timing signal multiple sensor signal, then by the value of read-out display first via sensor signal, because same sensor has multiple-channel output, function is all the same, it is also the same for exporting, and such design mainly increases the durability of sensor, and a path loss is bad can change to next road;
112. simultaneously, using the signal curve of the second tunnel sensor signal as datum curve, the signal curve of real-time monitoring first via sensor signal, each road sensor signal curve then, successively as datum curve, monitors the signal curve of last road sensor signal in real time;
113. when the signal curve of first via sensor signal and the signal output port deviation of the second tunnel sensor signal exceed threshold value, and namely first via sensor signal is damaged, then make the damage prompting of first via sensor signal;
After 114. inspections determine that first via sensor signal has problem, manual switchover to the second tunnel sensor signal is as display translation;
Sensor signal after 115. monitoring in real time switch, repeat step 112 ~ 115, when repeating step 112 ~ 115, the sensor signal after switching is then as first via sensor signal.
Again further, the damage in described step 113 prompts for and shows this damage signal at read-out, and passes through alarm equipment alarm.
Again further, in described step 115, if the sensor signal after switching is the sensor signal not having to damage of only depositing, then using the signal curve of first via sensor signal as datum curve, the signal curve of this road sensor signal of real-time monitoring, although first via sensor signal is damaged, signal curve time it is demarcated is fixing, records already and is stored in system.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention ensure that service life and the reliability of system effectively, improve the technology content of tower machine itself, wherein, service life and reliability mainly realize by carrying out monitoring to every road signal of sensor, ensure that the measurement of sensor reaches minimum with actual error.
(2) the present invention is also by annunciator and read-out, certain the road sensor signal damaged is shown in time, and reminds.
Accompanying drawing explanation
Fig. 1 is system chart of the present invention.
Fig. 2 is workflow diagram of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment 1
As shown in Figure 1-2, sensor independence multiple-channel output device, comprise the sensor signal of the multidiameter delay output produced by a sensor, for gathering the multi-sampling circuit of every road sensor signal, signal for being collected by multi-sampling circuit is converted to the A/D module of digital signal, to the micro controller system that the digital signal of A/D module output processes, and the annunciator be connected with micro controller system.
In the present embodiment, sensor is 12 tunnel LOAD CELLS, this 2 tunnel LOAD CELLS has 2 road signals and exports, export 2 tunnel sensor signal A and B, this 2 tunnel sensor signal is parallel to be linked in multi-sampling circuit, simultaneously to its sampling, due in same sensor, the force analysis of 2 tunnel sensor signals is living.
In the present embodiment, the signal processing of micro controller system is: be directly used in output display (acquiescence) after sensor signal A sampling, micro controller system is also connected with read-out, and sensor signal B is used for the monitoring to sensor signal A.If there is multiple sensor signal, be then directly used in output display after the sampling of first via sensor signal, each road sensor signal is then monitored last road sensor signal all successively.For 2 tunnel sensor signals (A and B), its concrete working process is as follows:
101. bring into operation, port and state initialization;
102. multi-sampling circuits respectively to 2 tunnel sensor signal samplings, and carry out analogue to digital conversion respectively;
103. micro controller systems judge whether that sampling is normal, if sampling is normal, namely 2 tunnel sensor signals all collect, then perform step 111 ~ 114; If sampling mal, namely only collect 1 tunnel sensor signal, then perform step 121, or all do not collect, then perform step 122;
111. micro controller systems demarcate computing to 2 tunnel sensor signals simultaneously, and record state and the attribute of timing signal 2 tunnel sensor signal, then by the value of read-out display sensor signal A;
112. simultaneously, using the signal curve of sensor signal B as datum curve, and the signal curve of real-time monitoring sensing device signal A;
113. when the signal curve of sensor signal A and the signal curve deviation of sensor signal B exceed threshold value, namely sensor signal A damages, the position showing this signal A at read-out shows exclamation mark, and is reported to the police by warning circuit, prompting goes wrong to be needed to check;
114. check determine that sensor signal A has problem after, manual switchover to sensor signal B as display translation;
121. micro controller systems judge the Shi Na road sensor signal that multi-sampling circuit gathers to be shown the value of this road sensor signal by read-out; Show an other road sensor signal on a display screen to damage simultaneously, and reported to the police by warning circuit, then manually turn off the sensor signal of damage;
122. display screen display 2 tunnel sensor signals are all damaged, and are reported to the police by warning circuit.
Above-mentioned steps 111 solves when 2 tunnel sensor signals all have the problem not having reference value during problem, the value of acquiescence display sensor signal A.
In above-mentioned steps 114, during manual switchover, need password be inputted, when showing the value of sensor signal B, not need again to demarcate.
Embodiment 2
Sensor independence multiple-channel output device, as different from Example 1, in the present embodiment, sensor is 13 tunnel LOAD CELLS, this 3 tunnel LOAD CELLS has 3 road signals and exports, export 3 tunnel sensor signal A, B, C, this 3 tunnel sensor signal is parallel to be linked in multi-sampling circuit, simultaneously to its sampling.
In the present embodiment, the signal processing of micro controller system is: 3 tunnel sensor signals carry out demarcation computing simultaneously, demarcate direct for sensor signal A output display (acquiescence) well, sensor signal B is used for the monitoring to sensor signal A, when sensor signal A damage after, manual switchover to sensor signal B as output display; Then sensor signal C is used for the monitoring to sensor signal B, after sensor signal B damages, sensor degradation is then pointed out to need maintenance, then manually sensor signal B is turned off, after sensor signal A and B overhauls, sensor signal C is as output display, and sensor signal A is used for the monitoring to sensor signal C.
Embodiment 3
Sensor independence multiple-channel output device, as different from Example 1, in the present embodiment, sensor is 12 road obliquity sensor, the difference of itself and LOAD CELLS is only, measured object is different, and achieving same obliquity sensor result of a measurement does not have error with actual degree of tilt, use the same with LOAD CELLS with the principle calculated, do not repeat at this.
According to above-described embodiment, just the present invention can be realized well.What deserves to be explained is; under prerequisite based on said structure design, for solving same technical matters, even if some making on the invention are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the present invention, therefore it also should in protection scope of the present invention.
Claims (8)
1. sensor independence multiple-channel output device, is characterized in that, comprises sensor, multi-sampling circuit, A/D module, micro controller system, annunciator, read-out;
Sensor, has multi-path signal output port, produces the sensor signal that multidiameter delay exports;
Multi-sampling circuit, is connected with each road signal output port of sensor, for gathering every road sensor signal;
A/D module, is converted to digital signal respectively for the every road sensor signal collected by multi-sampling circuit;
Micro controller system, processes respectively to every railway digital signal that A/D module exports;
Read-out, shows the value of multiply digital signals Zhong mono-road signal and damages prompting accordingly;
Annunciator, provides the audible alarm information that sensor has damage.
2. sensor independence multiple-channel output device according to claim 1, it is characterized in that, described sensor is LOAD CELLS or obliquity sensor, and often kind of sensor includes the 2 above signal output ports in road.
3. sensor independence multiple-channel output device according to claim 2, is characterized in that, described micro controller system adopts STM32F micro controller system.
4. the output intent of the sensor independence multiple-channel output device according to claim 1-3 any one, is characterized in that, comprise the steps:
Bring into operation, port and state initialization;
102. multi-sampling circuits respectively to multiple sensor signal sampling, and carry out analogue to digital conversion respectively;
103. micro controller systems judge whether that sampling is normal, if sampling is normal, Ji Mei road sensor signal all collects, then perform step 11; If sampling mal, then perform step 12;
11. micro controller systems are by the direct output display of a wherein road signal in multiple sensor signal, a rear road signal is monitored this road signal, each road signal is then monitored last road signal successively, if for this road signal corruption of output display, then make and damage prompting, switch to a unspoiled rear road signal output display, and it is monitored;
If 12. only collect a road sensor signal, then perform step 121;
If collect the above sensor signal of two-way, the sensor signal collected is performed step 11;
If all do not collect, then perform step 122;
121. micro controller systems judge the Shi Na road sensor signal gathered, and the value of this road sensor signal of output display also makes the damage prompting of other road sensor signals;
122. damages directly making this sensor are pointed out.
5. the output intent of sensor independence multiple-channel output device according to claim 4, it is characterized in that, in described step 11, micro controller system is by the direct output display of first via signal in multiple sensor signal, second road signal is monitored first via signal, 3rd road signal is monitored the second road signal, circulate with this, if first via signal corruption, then make the damage prompting of this road signal, switch to the second road signal output display, the 3rd road signal is monitored the second road signal, circulates with this.
6. the output intent of sensor independence multiple-channel output device according to claim 5, it is characterized in that, the specific implementation method of described step 11 comprises the steps:
111. micro controller systems demarcate computing to multiple sensor signal simultaneously, and record state and the attribute of timing signal multiple sensor signal, then by the value of read-out display first via sensor signal;
112. simultaneously, using the signal curve of the second tunnel sensor signal as datum curve, the signal curve of real-time monitoring first via sensor signal, each road sensor signal curve then, successively as datum curve, monitors the signal curve of last road sensor signal in real time;
113. when the signal curve of first via sensor signal and the signal output port deviation of the second tunnel sensor signal exceed threshold value, and namely first via sensor signal is damaged, then make the damage prompting of first via sensor signal;
After 114. inspections determine that first via sensor signal has problem, manual switchover to the second tunnel sensor signal is as display translation;
Sensor signal after 115. monitoring in real time switch, repeat step 112 ~ 115, when repeating step 112 ~ 115, the sensor signal after switching is then as first via sensor signal.
7. the output intent of sensor independence multiple-channel output device according to claim 6, is characterized in that, the damage in described step 113 prompts for and shows this damage signal at read-out, and passes through alarm equipment alarm.
8. the output intent of sensor independence multiple-channel output device according to claim 7, it is characterized in that, in described step 115, if the sensor signal after switching is the sensor signal not having to damage of only depositing, then using the signal curve of first via sensor signal as datum curve, the in real time signal curve of this road sensor signal of monitoring.
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| CN201510462277.0A CN105016209B (en) | 2015-07-31 | 2015-07-31 | Sensor independence multiple-channel output device and output intent thereof |
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| CN201510462277.0A CN105016209B (en) | 2015-07-31 | 2015-07-31 | Sensor independence multiple-channel output device and output intent thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111039176A (en) * | 2019-12-20 | 2020-04-21 | 博睿斯重工股份有限公司 | Crane state monitoring and fault automatic diagnosis method |
| CN113716469A (en) * | 2021-09-15 | 2021-11-30 | 中远海运特种运输股份有限公司 | Whole set of hoist and mount inclination shows and alarm system in real time |
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| Publication number | Publication date |
|---|---|
| CN105016209B (en) | 2016-12-07 |
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