CN205449338U - Vibration wire reading appearance - Google Patents
Vibration wire reading appearance Download PDFInfo
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- CN205449338U CN205449338U CN201521131581.9U CN201521131581U CN205449338U CN 205449338 U CN205449338 U CN 205449338U CN 201521131581 U CN201521131581 U CN 201521131581U CN 205449338 U CN205449338 U CN 205449338U
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- microcontroller
- vibrating wire
- circuit
- readout instrument
- sensor
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Abstract
The utility model discloses a vibration wire reading appearance, including power, microcontroller, display and keyboard, display and keyboard all link to each other with microcontroller, and its characterized in that still includes temperature sensor and a plurality of vibrating wire sensor, and every vibrating wire sensor loops through corresponding switching circuit, the feedback signal modulate circuit links to each other with microcontroller, microcontroller inserts pump circuit or the feedback signal modulate circuit that corresponds through the switching circuit control vibrating wire sensor who corresponds, temperature sensor passes through adc and links to each other with microcontroller, microcontroller links to each other with real -time clock. Vibration wire reading appearance can provide the measurement function of vibrating wire type anchor rope sensor (maximum 6 strings), and a plurality of vibrating wire sensor are used for monitoring the atress condition of a face, and the testing result is more accurate. During power supply lost, the parameter of settlement and the data collection who has saved do not lose, and it is inferior that data storage capability can reach 1600 surveys.
Description
Technical field
This utility model relates to a kind of vibratory string readout instrument.
Background technology
Vibratory string readout instrument is widely used in civil engineering and structure monitoring apparatus field, but the vibratory string readout instrument of existing design, it is provided that test point fewer, testing result error is big, it addition, during power supply power-fail, the parameter set and the data of collection will be lost, and give and use band to serve inconvenience.
Utility model content
For the problems referred to above, this utility model provides a kind of vibratory string readout instrument, it is provided that multiple test points, certainty of measurement is higher；Further, during power supply power-fail, parameter and the collection data stored of setting are not lost.
For realizing above-mentioned technical purpose, reaching above-mentioned technique effect, this utility model is achieved through the following technical solutions:
A kind of vibratory string readout instrument, including power supply, microcontroller, display and keyboard, described display is all connected with microcontroller with keyboard, it is characterized in that, also include temperature sensor and several vibrating wire sensors, each vibrating wire sensor passes sequentially through the switching circuit of correspondence, feedback signal conditioning circuit is connected with microcontroller, described microcontroller controls vibrating wire sensor by corresponding switching circuit and accesses corresponding exciting circuit or feedback signal conditioning circuit, described temperature sensor is connected with microcontroller by analog-digital converter, described microcontroller is connected with real-time clock.
Preferably, the memorizer being connected with microcontroller is also included.
Wherein, the quantity of described vibrating wire sensor, switching circuit, exciting circuit and feedback signal conditioning circuit is 4 or 6.
Preferably, the readout instrument cabinet being arranged on protection against the tide outermost, waterproof is also included.
Vibratory string readout instrument is provided that the measurement function of type vibration wire anchor cable sensor (most 6 strings), and multiple vibrating wire sensors are for the stressing conditions in one face of monitoring, and testing result is more accurate.During power supply power-fail, parameter and the collection data stored of setting are not lost, and data storage capacity is surveyed secondary up to 1600.
The beneficial effects of the utility model are: the vibratory string readout instrument of the present invention is applicable to various types of geotechnique's dam, the safety monitoring of water conservancy projects and environmental monitoring, can fully meet the requirement realizing Dam Safety Monitoring Automation, be the ideal product supporting with comprehensive automation.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of this utility model a kind of vibratory string readout instrument；
Fig. 2 is the circuit diagram of this utility model switching circuit；
Fig. 3 is the circuit diagram of this utility model feedback signal conditioning circuit；
Fig. 4 is the circuit diagram of this utility model exciting circuit.
Detailed description of the invention
Being described in further detail technical solutions of the utility model with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be better understood from this utility model and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
A kind of vibratory string readout instrument, as it is shown in figure 1, include power supply, microcontroller, display and keyboard, described display is all connected with microcontroller with keyboard, and power supply provides electric energy for whole device, wherein it is possible to use lithium battery and liquid crystal display.
Also include temperature sensor and several vibrating wire sensors, each vibrating wire sensor passes sequentially through the switching circuit of correspondence, feedback signal conditioning circuit is connected with microcontroller, and it is to access corresponding exciting circuit or access corresponding feedback signal conditioning circuit that described microcontroller controls vibrating wire sensor by corresponding switching circuit.Vibrating wire sensor can be selected for MS-500V series string formula anchor dynamometer, preferably 4 strings or 6 string type vibration wire anchor cable sensors, the i.e. quantity of vibrating wire sensor, switching circuit, exciting circuit and feedback signal conditioning circuit is 4 or 6 (only showing two in Fig. 1), vibrating wire sensor 1, switching circuit 1, exciting circuit 1 and feedback signal conditioning circuit 1 are corresponding, and vibrating wire sensor 6, switching circuit 6, exciting circuit 6 and feedback signal conditioning circuit 6 are corresponding.
Described temperature sensor sequentially passes through signal conditioning circuit, analog-digital converter is connected with microcontroller, and described microcontroller is connected with real-time clock.Wherein, also including the memorizer being connected with microcontroller, built-in 256k memorizer, maximum can store the data of 1600 surveys time.
For the ease of carrying, transport and using, the outermost at vibratory string readout instrument also sets up readout instrument cabinet, uses Portable engineering cabinet design, has certain anti-fight and waterproof and dampproof ability.
In Fig. 1, also including the bluetooth module (BLE) being connected with microcontroller, wherein, temperature sensor is 3k critesistor, and readout instrument cabinet provides 1 USB interface to be communicated with PC by readout instrument for user.
Preferably, as shown in Figure 2, Figure 3 and Figure 4, after using this kind of circuit design, each parameter is as follows for switching circuit, feedback signal conditioning circuit, exciting circuit:
1, allowing the data acquisition module in harvester is in running order, holding state, respectively testing power consumption, its peak power is not more than 2.5W, and holding state power consumption is not more than 0.3W.
2, scope is measured: frequency 400Hz～5000Hz, temperature-20 DEG C～+80 DEG C；Resolution: frequency 0.1Hz, temperature 0.1 DEG C；Accuracy: frequency is not more than 0.2Hz, temperature is not more than 0.5 DEG C.
Vibratory string readout instrument is provided that the measurement function of type vibration wire anchor cable sensor (most 6 strings), and multiple vibrating wire sensors are for the stressing conditions in one face of monitoring, and testing result is more accurate.During power supply power-fail, parameter and the collection data stored of setting are not lost, and data storage capacity is surveyed secondary up to 1600.It is applicable to various types of geotechnique's dam, the safety monitoring of water conservancy projects and environmental monitoring, can fully meet the requirement realizing Dam Safety Monitoring Automation, be the ideal product supporting with comprehensive automation.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, is the most in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. a vibratory string readout instrument, including power supply, microcontroller, display and keyboard, described display is all connected with microcontroller with keyboard, it is characterized in that, also include temperature sensor and several vibrating wire sensors, each vibrating wire sensor passes sequentially through the switching circuit of correspondence, feedback signal conditioning circuit is connected with microcontroller, described microcontroller controls vibrating wire sensor by corresponding switching circuit and accesses corresponding exciting circuit or feedback signal conditioning circuit, described temperature sensor is connected with microcontroller by analog-digital converter, described microcontroller is connected with real-time clock.
A kind of vibratory string readout instrument the most according to claim 1, it is characterised in that also include the memorizer being connected with microcontroller.
A kind of vibratory string readout instrument the most according to claim 2, it is characterised in that the quantity of described vibrating wire sensor, switching circuit, exciting circuit and feedback signal conditioning circuit is 4.
A kind of vibratory string readout instrument the most according to claim 2, it is characterised in that the quantity of described vibrating wire sensor, switching circuit, exciting circuit and feedback signal conditioning circuit is 6.
A kind of vibratory string readout instrument the most according to claim 2, it is characterised in that also include the readout instrument cabinet being arranged on protection against the tide outermost, waterproof.
A kind of vibratory string readout instrument the most according to claim 5, it is characterised in that also including the bluetooth module being connected with microcontroller, described temperature sensor is 3k critesistor, and readout instrument cabinet is provided with the USB interface being connected with microcontroller.
A kind of vibratory string readout instrument the most according to claim 2, it is characterised in that described memory span is 256K, and described display is liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521131581.9U CN205449338U (en) | 2015-12-30 | 2015-12-30 | Vibration wire reading appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521131581.9U CN205449338U (en) | 2015-12-30 | 2015-12-30 | Vibration wire reading appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205449338U true CN205449338U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521131581.9U Active CN205449338U (en) | 2015-12-30 | 2015-12-30 | Vibration wire reading appearance |
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| Country | Link |
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| CN (1) | CN205449338U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926520A (en) * | 2019-11-08 | 2020-03-27 | 中国水利水电科学研究院 | Automatic data acquisition system of low-insulation vibrating wire sensor |
-
2015
- 2015-12-30 CN CN201521131581.9U patent/CN205449338U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926520A (en) * | 2019-11-08 | 2020-03-27 | 中国水利水电科学研究院 | Automatic data acquisition system of low-insulation vibrating wire sensor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |