CN202904853U - Internet of things-based stone carving body crack micro-variation wireless sensing device - Google Patents
Internet of things-based stone carving body crack micro-variation wireless sensing device Download PDFInfo
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- CN202904853U CN202904853U CN 201220510814 CN201220510814U CN202904853U CN 202904853 U CN202904853 U CN 202904853U CN 201220510814 CN201220510814 CN 201220510814 CN 201220510814 U CN201220510814 U CN 201220510814U CN 202904853 U CN202904853 U CN 202904853U
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Abstract
The utility model relates to an internet of things-based stone carving body crack micro-variation wireless sensing device which comprises a central control unit, a wireless communication unit and a sensing signal acquisition unit, wherein the central control unit is respectively connected with the wireless communication unit and the sensing signal acquisition unit; and a communication device formed by ISM frequency band authorized by China is adopted as the wireless communication unit. The utility model provides the things-based stone carving body crack micro-variation wireless sensing device which is capable of monitoring the micro-variation of the crack on the surface of a large stone carving body cultural relic in an on-line way and in real time.
Description
Technical field
The utility model belongs to microvariations monitoring field, stone carving body historical relic crack, relates to a kind of stone carving body crack microvariations real-time monitoring device, relates in particular to a kind of stone carving body crack microvariations wireless sensing device based on Internet of Things.
Background technology
Stone carving body historical relic crack microvariations monitoring device provides main on-line monitoring means for stone carving body historical relic body crack microvariations monitoring.The employing of current China stone carving body historical relic on-line monitoring also is in the early stage of application, and technological means does not also have full maturity, and current stone carving body historical relic on-line real time monitoring equipment does not have substantially.Can't carry out on-line monitoring for large-scale stone carving body historical relic body crack microvariations monitoring.
The utility model content
In order to solve the above-mentioned technical matters that exists in the background technology, the utility model provides a kind of energy real time on-line monitoring large-scale stone carving body cultural artifact surface crack the small stone carving body crack microvariations wireless sensing device based on Internet of Things.
Technical solution of the present utility model is: the utility model provides a kind of stone carving body crack microvariations wireless sensing device based on Internet of Things, and its special character is: described stone carving body crack microvariations wireless sensing device based on Internet of Things comprises central control unit, radio communication unit and transducing signal collecting unit; Described central control unit links to each other with radio communication unit and transducing signal collecting unit respectively; Described radio communication unit is the formed communication apparatus of ISM band that adopts country to check and approve.
Above-mentioned radio communication unit is to adopt the formed communication apparatus of 433MHz communication frequency band.
Above-mentioned central control unit comprises that CPU element and simulating signal are to digital signal processing unit; Described CPU element accesses the transducing signal collecting unit by simulating signal to digital signal processing unit; Described CPU element links to each other with radio communication unit.
Above-mentioned transducing signal collecting unit comprises signal magnification processing, Hui Sitong resistance bridge unit, resistance strain gage switch control unit and resistance strain gage sensor group; Described signal magnification processing is by Hui Sitong resistance bridge unit access resistance strain gage switch control unit; Described resistance strain gage switch control unit links to each other with resistance strain gage sensor group; Described CPU element access signal magnification processing.
Above-mentioned resistance strain gage sensor group comprises one or more pieces foil gauges.
Above-mentioned foil gauge is resistance strain gage.
Above-mentioned stone carving body crack microvariations wireless sensing device based on Internet of Things also comprises the power supply unit that links to each other with central control unit and/or transducing signal collecting unit.
The utility model has the advantages that:
The utility model provides a kind of stone carving body crack microvariations wireless sensing device based on Internet of Things, this on-Line Monitor Device, comprise central control unit, the compositions such as radio communication unit and transducing signal collecting unit, information or data that Real-time Collection is obtained can send to the user by wireless sense network, and are very easy to use; Simultaneously, the utility model adopts one or more pieces resistance strain gages as sensing element, and sensing is effective, and precision is high, according to device provided by the utility model, can monitor the crack microvariations of stone carving body and large-scale cultural artifact surface stress monitoring.
Description of drawings
Fig. 1 is the structured flowchart of the stone carving body crack microvariations monitoring device based on resistance strain gage provided by the utility model;
Wherein:
The 1-central control unit; 2-transducing signal collecting unit; The 3-radio communication unit; The 4-foil gauge; The 5-power supply unit; The 6-CPU unit; The 7-simulating signal is to digital signal processing unit; 8-signal magnification processing; 9-favour stone resistance bridge unit; 10-resistance strain gage switch control unit.
Embodiment
Referring to Fig. 1, the utility model provides a kind of stone carving body crack microvariations wireless sensing device based on Internet of Things, should comprise central control unit 1, radio communication unit 3 and transducing signal collecting unit 2 based on the stone carving body crack microvariations monitoring device of resistance strain gage; Central control unit 1 links to each other with radio communication unit 3 and transducing signal collecting unit 2 respectively.The Internet of Things Internet of Things of institute of the present invention foundation is sensor network technology, and this wireless sense network frequency range of living in is the ISM band that country checks and approves, and wireless sense network is the self-organized l network.
Central control unit 1 comprises that CPU element 6 and simulating signal are to digital signal processing unit 7; CPU element 6 accesses transducing signal collecting units 2 by simulating signal to digital signal processing unit 7; CPU element 6 links to each other with radio communication unit 3.
Transducing signal collecting unit 2 comprises signal magnification processing 8, Hui Sitong resistance bridge unit 9, resistance strain gage switch control unit 10 and resistance strain gage sensor group; Signal magnification processing 8 is by Hui Sitong resistance bridge unit 9 access resistance strain gage switch control units 10; Resistance strain gage switch control unit 10 links to each other with resistance strain gage sensor group; CPU element 6 access signal magnification processing 8.
Resistance strain gage sensor group comprises one or more pieces foil gauges 4; Foil gauge 4 is resistance strain gages 4; Radio communication unit 3 is 433MHz frequency ranges.
Stone carving body crack microvariations monitoring device based on resistance strain gage 4 also comprises the power supply unit 5 that links to each other with central control unit 1 and/or transducing signal collecting unit 2.
The utility model is when specific works, at first by after passing through successively resistance strain gage switch control unit, Hui Sitong resistance bridge unit and signal magnification processing after the multi-disc foil gauge image data, the simulating signal of amplifying is carried out digital-to-analog conversion through simulating signal to digital signal processing unit 7, last CPU element 6 is sent to communication unit with this digital signal, contacts or data transmission with the external world.
Although below by reference to the accompanying drawings embodiment of the present utility model is described, the utility model is not limited to above-mentioned specific embodiments, and above-mentioned specific embodiments only is schematic, guiding, rather than restrictive.Those of ordinary skill in the art in the situation that does not break away from the scope that the utility model claim protects, can also make a variety of forms under the enlightenment of this instructions, these all belong to the row of the utility model protection.
Claims (7)
1. stone carving body crack microvariations wireless sensing device based on Internet of Things, it is characterized in that: described stone carving body crack microvariations wireless sensing device based on Internet of Things comprises central control unit, radio communication unit and transducing signal collecting unit; Described central control unit links to each other with radio communication unit and transducing signal collecting unit respectively; Described radio communication unit is the formed communication apparatus of ISM band that adopts country to check and approve.
2. the stone carving body crack microvariations wireless sensing device based on Internet of Things according to claim 1 is characterized in that: described radio communication unit is to adopt the formed communication apparatus of 433MHz communication frequency band.
3. the stone carving body crack microvariations wireless sensing device based on Internet of Things according to claim 2 is characterized in that: described central control unit comprises that CPU element and simulating signal are to digital signal processing unit; Described CPU element accesses the transducing signal collecting unit by simulating signal to digital signal processing unit; Described CPU element links to each other with radio communication unit.
4. the stone carving body crack microvariations wireless sensing device based on Internet of Things according to claim 3, it is characterized in that: described transducing signal collecting unit comprises signal magnification processing, Hui Sitong resistance bridge unit, resistance strain gage switch control unit and resistance strain gage sensor group; Described signal magnification processing is by Hui Sitong resistance bridge unit access resistance strain gage switch control unit; Described resistance strain gage switch control unit links to each other with resistance strain gage sensor group; Described CPU element access signal magnification processing.
5. the stone carving body crack microvariations wireless sensing device based on Internet of Things according to claim 4, it is characterized in that: described resistance strain gage sensor group comprises one or more pieces foil gauges.
6. the stone carving body crack microvariations wireless sensing device based on Internet of Things according to claim 5, it is characterized in that: described foil gauge is resistance strain gage.
7. the described stone carving body crack microvariations wireless sensing device based on Internet of Things of arbitrary claim according to claim 1-6, it is characterized in that: described stone carving body crack microvariations wireless sensing device based on Internet of Things also comprises the power supply unit that links to each other with central control unit and/or transducing signal collecting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220510814 CN202904853U (en) | 2012-09-29 | 2012-09-29 | Internet of things-based stone carving body crack micro-variation wireless sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220510814 CN202904853U (en) | 2012-09-29 | 2012-09-29 | Internet of things-based stone carving body crack micro-variation wireless sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202904853U true CN202904853U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220510814 Expired - Fee Related CN202904853U (en) | 2012-09-29 | 2012-09-29 | Internet of things-based stone carving body crack micro-variation wireless sensing device |
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| Country | Link |
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| CN (1) | CN202904853U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2596694C1 (en) * | 2015-07-27 | 2016-09-10 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Вологодский государственный университет" (ВоГУ) | Method of measuring length of cracks and speed of its development in bent and stretched elements of structures |
| CN107146226A (en) * | 2017-05-05 | 2017-09-08 | 国家测绘地理信息局四川测绘产品质量监督检验站 | The facial cleft gap inspection method and device shunk based on independent face |
-
2012
- 2012-09-29 CN CN 201220510814 patent/CN202904853U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2596694C1 (en) * | 2015-07-27 | 2016-09-10 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Вологодский государственный университет" (ВоГУ) | Method of measuring length of cracks and speed of its development in bent and stretched elements of structures |
| CN107146226A (en) * | 2017-05-05 | 2017-09-08 | 国家测绘地理信息局四川测绘产品质量监督检验站 | The facial cleft gap inspection method and device shunk based on independent face |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20180929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |