CN206399569U - A kind of torque monitoring system for united reaper - Google Patents
A kind of torque monitoring system for united reaper Download PDFInfo
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- CN206399569U CN206399569U CN201720015165.5U CN201720015165U CN206399569U CN 206399569 U CN206399569 U CN 206399569U CN 201720015165 U CN201720015165 U CN 201720015165U CN 206399569 U CN206399569 U CN 206399569U
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- rotating shaft
- wireless communication
- united reaper
- communication module
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Abstract
Engine shaft, threshing cylinder rotating shaft, conveying rotating shaft, feeding flood dragon rotating shaft and the full-bridge type strain transducer of reel paddle rotating shaft are pasted onto the utility model discloses a kind of torque monitoring system for united reaper, including correspondence；Also include Signal-regulated kinase, A/D analog-to-digital conversion modules and multi-channel gating device；Each full-bridge type strain transducer is connected respectively each signal input part of multi-channel gating device, the output end of multi-channel gating device and the input of Signal-regulated kinase are connected, the output end of Signal-regulated kinase is connected with the input of A/D analog-to-digital conversion modules, and the output end of A/D analog-to-digital conversion modules is connected with single-chip microcomputer；The signal output part of single-chip microcomputer is connected with the first wireless communication module；The host computer of united reaper includes main control chip, and main control chip, which is connected to, carries out second wireless communication module and GSM/GPRS mobile communication modules of two-way communication etc. with the first wireless communication module.The utility model is simple in construction, easy for installation, can realize long-range monitoring.
Description
Technical field
The utility model is related to a kind of torque monitoring system for being used to monitor Shaft Torque on united reaper.
Background technology
United reaper is to refer to once complete the processes such as cereal crops harvesting, threshing, separation stem, removing remnant
Agricultural machinery.During united reaper is on active service, often because of groundwork rotating shaft（Such as engine shaft, threshing cylinder rotating shaft）
Torque load is excessive and causes critical component to damage, accordingly, it would be desirable to be monitored to the moment of torsion of groundwork rotating shaft, to send out in time
It is now abnormal, fix a breakdown.At present, Shaft Torque is measured from traditional torque sensor more, this sensor bulk is larger,
It is not easy to be arranged in the work rotating shaft that installing space is limited, moreover, this mounting means majority is destructive（As cut-out turns
Axle etc.）, component life can be shortened, the active time of harvester is influenceed.
Utility model content
For above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of moment of torsion for united reaper
Monitoring system, without destroying pivot structure, flexibly, wiring is simple, and can realize remote monitoring for installation site.
In order to solve the above-mentioned technical problem, the utility model employs following technical scheme：One kind is used for combining
The torque monitoring system of machine, including correspondence are pasted onto engine shaft, threshing cylinder rotating shaft, conveying rotating shaft, feeding flood dragon rotating shaft
And the full-bridge type strain transducer of reel paddle rotating shaft；Also include Signal-regulated kinase, A/D analog-to-digital conversion modules and multichannel choosing
Logical device；Each described full-bridge type strain transducer is connected respectively each signal input part of the multi-channel gating device, institute
The output end for stating multi-channel gating device is connected with the input of the Signal-regulated kinase, the output end of the Signal-regulated kinase with
The input connection of the A/D analog-to-digital conversion modules, the output end of the A/D analog-to-digital conversion modules is connected with single-chip microcomputer；It is described
The signal output part of single-chip microcomputer is connected with the first wireless communication module；The host computer of the united reaper includes main control chip,
The main control chip is connected to touch display screen, voice module, alarm message generation module, GSM/GPRS mobile communication moulds
Block and the second wireless communication module that two-way communication is carried out with first wireless communication module.
In above-mentioned technical proposal, multi-channel gating device can receive each full-bridge type strain transducer successively according to certain sequential
Signal, signal acquisition is in good order, it is to avoid occur signal conflict.When detecting the moment of torsion of each rotating shaft of united reaper, only need
Full-bridge type strain transducer is pasted onto in each rotating shaft, so, each foil gauge in full-bridge type strain transducer is turned round in rotating shaft
Elongated or shortened in the presence of square, produce strain, its resistance value changes with the change of strain, so that measured change be changed
Resistance variations are converted into voltage change and are output to for resistance variations, then the bridge circuit passed through in full-bridge type strain transducer
Signal-regulated kinase, is output to A/D analog-to-digital conversion modules, A/D analog-to-digital conversion modules are again after being handled through Signal-regulated kinase
Convert analog signals into data signal and be output to single-chip microcomputer, single-chip microcomputer is sent to host computer after carrying out data processing, due to being
It is transmitted, therefore is not limited by installation site by wireless communication module, and wiring can be simplified.
The touch display screen of host computer enable staff be intuitive to see it is various detection data and can on screen directly
Row read-write operation is tapped into, it is very convenient；Voice module can send prompt tone when detecting failure, so that staff is timely
It was found that field failure；Alarm message generation module can generate alarm message, feed back to main control chip, and main control chip will alert short again
Letter is sent to the mobile phone of staff by GSM/GPRS mobile communication modules, realizes that fault remote is alarmed.Using gsm module,
Data message can be sent in the case where signal intensity is weaker, leakage hair rate is reduced；Using GPRS module, data transfer speed can be improved
Degree.
It is preferred that, the Signal-regulated kinase includes signal amplification unit and filter unit.So, faint voltage signal
By amplification, noise reduction, the identification degree and precision of signal can be improved, so that A/D analog-to-digital conversion modules are handled.
It is preferred that, first wireless communication module, the second wireless communication module are ESP8266 Wireless Serial Communication moulds
Block.Stability is good, with the multiple-working mode such as AP, Station and AP and Station, facilitates the structure of network, and can realize
Torque monitoring system is accessed into internet.Specifically, under ap mode, system can set up into LAN with host computer, transmitting-receiving
Wireless signal；Under Station patterns, system can wirelessly access internet.
It is preferred that, the length of side of each foil gauge is respectively less than 10mm in the full-bridge type strain transducer.So, system is applied to
Various narrow and small installing spaces, improve versatility.
It is preferred that, the model ADS1256 of the A/D analog-to-digital conversion modules.ADS1256 modulus conversion chips can provide ±
0.001% nonlinear characteristic, its noiseless precision is up to 23 bits, therefore, and strain signal is being converted into the same of data signal
When, measurement accuracy can be improved.
In summary, the utility model has simple in construction, easy for installation, measurement accuracy height, can realize long-range monitoring
The advantages of.
Brief description of the drawings
Fig. 1 is the structured flowchart for the torque monitoring system for being used for united reaper in embodiment.
Embodiment
The utility model is described in further detail with preferred embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of torque monitoring system for united reaper, including correspondence be pasted onto engine shaft,
The full-bridge type strain transducer 1 of threshing cylinder rotating shaft, conveying rotating shaft, feeding flood dragon rotating shaft and reel paddle rotating shaft；Also include letter
Number conditioning module 3, A/D analog-to-digital conversion modules 4 and multi-channel gating device 2；Each described full-bridge type strain transducer 1 is corresponded to respectively
It is connected to each signal input part of the multi-channel gating device 2, the output end of the multi-channel gating device 2 and the signal condition mould
3 pieces of input connection, the output end of the Signal-regulated kinase 3 is connected with the input of the A/D analog-to-digital conversion modules 4,
The output end of the A/D analog-to-digital conversion modules 4 is connected with single-chip microcomputer 5；The signal output part of the single-chip microcomputer 5 is connected with the first nothing
Line communication module 6；The host computer 7 of the united reaper includes main control chip, and it is aobvious that the main control chip is connected to touch
Display screen, voice module, alarm message generation module, GSM/GPRS mobile communication modules and with first wireless communication module
6 carry out the second wireless communication module of two-way communication.
In above-mentioned technical proposal, multi-channel gating device 2 can receive each full-bridge type strain sensing successively according to certain sequential
The signal of device 1, signal acquisition is in good order, it is to avoid occur signal conflict.When detecting the moment of torsion of each rotating shaft of united reaper, only
Full-bridge type strain transducer 1 need to be pasted onto in each rotating shaft, so, each foil gauge in full-bridge type strain transducer 1 is turning
Elongated or shortened in the presence of axle moment of torsion, produce strain, its resistance value changes with the change of strain, so that by measured change
Resistance variations are converted to, then resistance variations are converted into voltage change simultaneously by the bridge circuit in full-bridge type strain transducer 1
Signal-regulated kinase 3 is output to, A/D analog-to-digital conversion modules 4 are output to after being handled through Signal-regulated kinase 3, A/D moduluses turn
Mold changing block 4 converts analog signals into data signal and is output to single-chip microcomputer 5 again, and single-chip microcomputer 5 is sent to after carrying out data processing
Position machine, is transmitted by then passing through wireless communication module 6, therefore is not limited by installation site, and can simplify wiring.
The touch display screen of host computer 7 enable staff be intuitive to see it is various detection data and can on screen directly
Row read-write operation is tapped into, it is very convenient；Voice module can send prompt tone when detecting failure, so that staff is timely
It was found that field failure；Alarm message generation module can generate alarm message, feed back to main control chip, and main control chip will alert short again
Letter is sent to the mobile phone of staff by GSM/GPRS mobile communication modules, realizes that fault remote is alarmed.
In present embodiment, the Signal-regulated kinase 3 includes signal amplification unit and filter unit.So, it is micro-
Weak voltage signal can improve the identification degree and precision of signal, so that A/D analog-to-digital conversion modules 4 are carried out by amplification, noise reduction
Processing.
In present embodiment, first wireless communication module 6, the second wireless communication module are ESP8266 strings
Mouth wireless communication module.Stability is good, with the multiple-working mode such as AP, Station and AP and Station, facilitates network
Build, and can realize torque monitoring system is accessed into internet.Specifically, under ap mode, system can be set up with host computer
Into LAN, transmitting/receiving wireless signal；Under Station patterns, system can wirelessly access internet.
In present embodiment, the host computer 7 is built-in with GSM/GPRS mobile communication modules.So, it will can just turn round
Square monitoring system accessing mobile communication network net, directly sends Monitoring Data to the mobile phone of staff, staff is entered
Row remote monitoring, finds failure in time.Using gsm module, data message can be sent in the case where signal intensity is weaker, is reduced
Leak hair rate；Using GPRS module, data transmission bauds can be improved.
In present embodiment, the length of side of each foil gauge is respectively less than 10mm in the full-bridge type strain transducer 1.This
Sample, system is applied to various narrow and small installing spaces, improves versatility.
In present embodiment, the model ADS1256 of the A/D analog-to-digital conversion modules 4.ADS1256 analog-to-digital conversions
Chip can provide ± 0.001% nonlinear characteristic, and its noiseless precision is up to 23 bits, therefore, and strain signal is being converted into number
While word signal, measurement accuracy can be improved.
In summary, the utility model has the advantages that simple in construction, easy for installation, accuracy of detection is high, can be to detection
Data carry out wireless remote transmission, realize remote supervisory.
Claims (5)
1. a kind of torque monitoring system for united reaper, it is characterised in that：Engine shaft is pasted onto including correspondence, taken off
Grain roller shaft, conveying rotating shaft, feeding flood dragon rotating shaft and the full-bridge type strain transducer of reel paddle rotating shaft；Also include signal to adjust
Manage module, A/D analog-to-digital conversion modules and multi-channel gating device；Each described full-bridge type strain transducer is connected respectively institute
State each signal input part of multi-channel gating device, the output end of the multi-channel gating device and the input of the Signal-regulated kinase
Connection, the output end of the Signal-regulated kinase is connected with the input of the A/D analog-to-digital conversion modules, and the A/D moduluses turn
The output end of mold changing block is connected with single-chip microcomputer；The signal output part of the single-chip microcomputer is connected with the first wireless communication module；It is described
The host computer of united reaper includes main control chip, and the main control chip is connected to touch display screen, voice module, alarm
Message generation module, GSM/GPRS mobile communication modules and second with first wireless communication module progress two-way communication
Wireless communication module.
2. the torque monitoring system according to claim 1 for united reaper, it is characterised in that：The signal condition
Module includes signal amplification unit and filter unit.
3. the torque monitoring system according to claim 1 for united reaper, it is characterised in that：Described first is wireless
Communication module, the second wireless communication module are ESP8266 Wireless Serial Communication modules.
4. the torque monitoring system according to claim 1 for united reaper, it is characterised in that：The full-bridge type should
The length of side for becoming each foil gauge in sensor is respectively less than 10mm.
5. the torque monitoring system according to claim 1 for united reaper, it is characterised in that：The A/D moduluses
The model ADS1256 of modular converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720015165.5U CN206399569U (en) | 2017-01-06 | 2017-01-06 | A kind of torque monitoring system for united reaper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720015165.5U CN206399569U (en) | 2017-01-06 | 2017-01-06 | A kind of torque monitoring system for united reaper |
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| CN206399569U true CN206399569U (en) | 2017-08-11 |
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| CN201720015165.5U Active CN206399569U (en) | 2017-01-06 | 2017-01-06 | A kind of torque monitoring system for united reaper |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314842A (en) * | 2017-08-18 | 2017-11-03 | 北京强度环境研究所 | A kind of moment of flexure monitor and its data processing method |
| CN109470389A (en) * | 2018-11-27 | 2019-03-15 | 上海应用技术大学 | Strain-type torch measuring system and method |
| CN110374857A (en) * | 2019-07-09 | 2019-10-25 | 西安交通大学 | A kind of gentle pressure monitoring device of membrane compresses oil pressure and method |
| CN110530560A (en) * | 2019-10-09 | 2019-12-03 | 河南科技大学 | A kind of threshing force checking device |
-
2017
- 2017-01-06 CN CN201720015165.5U patent/CN206399569U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314842A (en) * | 2017-08-18 | 2017-11-03 | 北京强度环境研究所 | A kind of moment of flexure monitor and its data processing method |
| CN109470389A (en) * | 2018-11-27 | 2019-03-15 | 上海应用技术大学 | Strain-type torch measuring system and method |
| CN110374857A (en) * | 2019-07-09 | 2019-10-25 | 西安交通大学 | A kind of gentle pressure monitoring device of membrane compresses oil pressure and method |
| CN110374857B (en) * | 2019-07-09 | 2020-08-25 | 西安交通大学 | Oil pressure and air pressure monitoring device and method for diaphragm compressor |
| CN110530560A (en) * | 2019-10-09 | 2019-12-03 | 河南科技大学 | A kind of threshing force checking device |
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