CN211262546U - Acquisition instrument based on double-path vibrating wire sensor and digital sensor - Google Patents
Acquisition instrument based on double-path vibrating wire sensor and digital sensor Download PDFInfo
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- CN211262546U CN211262546U CN202020318098.6U CN202020318098U CN211262546U CN 211262546 U CN211262546 U CN 211262546U CN 202020318098 U CN202020318098 U CN 202020318098U CN 211262546 U CN211262546 U CN 211262546U
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Abstract
The utility model discloses a collection appearance based on double-circuit vibrating wire sensor and digital sensor, including data acquisition module, data processing module and peripheral circuit module, data acquisition module includes signal acquisition system and the second way signal acquisition system of the first way, data acquisition module and peripheral circuit module be connected with data processing module, data processing module and host computer connection, data acquisition module is with the data transmission to data processing module who gathers, data processing module handles the information of gathering and transmits to the host computer, peripheral circuit module can show, save the data after data processing module handles. The acquisition instrument integrates the vibrating wire sensor and the digital sensor, can finish the data acquisition work of the vibrating wire sensor and the data acquisition work of the digital sensor, and has more complete functions and better universality.
Description
Technical Field
The utility model relates to a sensor equipment field, concretely relates to collection appearance based on double-circuit vibrating wire sensor and digital sensor.
Background
The digital sensor is a sensor which adds or modifies an A/D conversion module to the traditional analog sensor to make the output signal of the traditional analog sensor be digital quantity (or digital code), and mainly comprises: an amplifier, an A/D converter, a microprocessor (CPU), a memory, a communication interface, a temperature test circuit and the like; the vibrating string sensor is one resonant sensor with strained metal string as sensitive element, and after the length of the string is determined, the change in natural vibration frequency can represent the tensile force on the string. At present, because the working principles of two sensors are different, the sensors on the market cannot integrate a vibrating wire sensor and a digital sensor to acquire data, and the problems of single function and poor universality of the existing sensors are caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem, designed the collection appearance based on double-circuit vibrating wire sensor and digital sensor, this collection appearance collects vibrating wire sensor and two kinds of sensors of digital sensor in an organic whole, both can accomplish vibrating wire sensor's data acquisition work and also can accomplish digital sensor's data acquisition work, and the function is more complete, and the commonality is better.
In order to achieve the purpose, the utility model discloses a following scheme realizes:
the acquisition instrument based on the double-path vibrating wire sensor and the digital sensor comprises a data acquisition module, a data processing module and a peripheral circuit module, wherein the data acquisition module comprises a first path of signal acquisition system and a second path of signal acquisition system, the data acquisition module and the peripheral circuit module are connected with the data processing module, the data processing module is connected with an upper computer, the data acquisition module transmits acquired data to the data processing module, the data processing module processes acquired information and transmits the acquired information to the upper computer, and the peripheral circuit module can display and store the data processed by the data processing module.
Furthermore, the data acquisition module comprises a first signal acquisition system and a second signal acquisition system, the first signal acquisition system is composed of a vibrating wire sensor, an anti-interference unit and a channel management unit, the digital sensor is connected with the anti-interference unit and then connected with the channel management unit, the second signal acquisition system is composed of the digital sensor, the anti-interference unit and the channel management unit, and the two signal acquisition systems are controlled by the channel management unit to be switched on and switched off.
Furthermore, the data processing module comprises a signal conditioning unit, an excitation unit, a vibration pickup unit, an A/D converter and a microprocessor, wherein the first path of signal acquisition system is connected with the signal conditioning unit, the signal conditioning unit is connected with the excitation unit, the excitation unit is connected with the vibration pickup unit, the vibration pickup unit is connected with the A/D converter, the A/D converter is connected with the microprocessor, and the second path of signal acquisition system is connected with the microprocessor through the A/D converter.
Further, the peripheral circuit module comprises a power module, a storage unit, a control unit, a display unit and a communication unit, wherein the power module, the storage unit, the control unit, the display unit and the communication unit are all connected with the microprocessor, the power module provides working voltage for each electronic element, the storage unit stores digital signals processed by the microprocessor, the control unit is used for inputting and controlling working parameters of the two-path signal acquisition system, the display unit is used for displaying data information processed by the microprocessor, and the communication unit transmits the data information processed by the microprocessor to an upper computer for terminal monitoring.
Furthermore, the channel management unit consists of a relay, a driving chip and a multi-channel analog switch, wherein the relay is connected with the driving chip, the driving chip is connected with the multi-channel analog switch, the multi-channel analog switch is connected with the signal conditioning unit, and the vibrating wire sensor and the digital sensor are respectively connected with the relay; the microprocessor controls the driving chip through the multi-channel analog switch, and the driving chip controls the on-off action of the relay, so that the aim of controlling the on-off of the two signal acquisition systems is fulfilled.
The utility model has the advantages that: the acquisition instrument integrates the vibrating wire sensor and the digital sensor, can finish the data acquisition work of the vibrating wire sensor and the data acquisition work of the digital sensor, and has more complete functions and better universality.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a block diagram of a dual-path vibrating wire sensor and digital sensor based acquisition instrument;
FIG. 2 is a hardware structure composition diagram of an acquisition instrument based on a two-way vibrating wire sensor and a digital sensor;
fig. 3 is a structural diagram of the path management unit.
In the drawings, the components represented by the respective reference numerals are listed below:
the system comprises a data acquisition module, a data processing module, a peripheral circuit module, a 4-upper computer, a vibrating wire sensor 11, a digital sensor 12, an anti-interference unit 13, a channel management unit 14, a signal conditioning unit 21, a vibration excitation unit 22, a vibration pickup unit 23, a 24-A/D converter 25, a microprocessor 26, a power supply module 31, a communication unit 32, a storage unit 33, a control unit 34, a display unit 141, a relay 142, a driving chip 143 and a multi-channel analog switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The microprocessor 25 in the embodiment adopts an STM32F103C8T6(LQFP48) type chip; the power module 26 is an AMS1117 type chip; the driving chip 142 and the multi-channel analog switch 143 are respectively selected from an HCF4051 chip and an ULN2008 type driving chip; the relay 141 is an A5W-K type relay; the anti-interference unit 13 adopts a P6KE15C type anti-lightning tube.
As shown in fig. 1, the acquisition instrument based on the two-way vibrating wire sensor and the digital sensor comprises three modules, namely a data acquisition module 1, a data processing module 2 and a peripheral circuit module 3, wherein the data acquisition module 1 and the peripheral circuit module 3 are connected with the data processing module 2, the data processing module 2 is connected with an upper computer 4, the data acquisition module 1 transmits acquired data to the data processing module, the data processing module 2 processes acquired information and transmits the acquired information to the upper computer 4, and the peripheral circuit module 3 can display and store the data processed by the data processing module 2.
As shown in fig. 2, the data processing module 2 includes a signal conditioning unit 21, an excitation unit 22, a vibration pickup unit 23, an a/D converter 24 and a microprocessor 25, the first path of signal acquisition system is connected to the signal conditioning unit, the signal conditioning unit 21 is connected to the excitation unit 22, the excitation unit 22 is connected to the vibration pickup unit 23, the vibration pickup unit 23 is connected to the a/D converter 24, the a/D converter 24 is connected to the microprocessor 25, and the second path of signal acquisition system is connected to the microprocessor 25 through the a/D converter 24.
The peripheral circuit module comprises a power supply module 26, a storage unit 32, a control unit 33, a display unit 34 and a communication unit 31, the power supply module 26, the storage unit 32, the control unit 33, the display unit 34 and the communication unit 31 are all connected with the microprocessor 25, the power supply module 26 provides working voltage for each electronic element, the storage unit 32 stores digital signals processed by the microprocessor 25, the control unit 33 is used for inputting working parameters for controlling the two-path signal acquisition system, the display unit 34 is used for displaying data information processed by the microprocessor 25, and the communication unit 31 transmits the data information processed by the microprocessor 25 to the upper computer 4 for terminal monitoring.
As shown in fig. 3, the channel management unit 14 is composed of a relay 141, a driving chip 142 and a multi-channel analog switch 143, the relay 141 is connected with the driving chip 142, the driving chip 142 is connected with the multi-channel analog switch 143, the multi-channel analog switch 143 is connected with the signal conditioning unit 21, and the vibrating wire sensor 11 and the digital sensor 12 are respectively connected with the relay 141. The microprocessor 25 controls the driving chip 142 through the multi-channel analog switch 143, and the driving chip 142 controls the on-off action of the relay 141, so as to achieve the purpose of controlling the on-off of the two-path signal acquisition system.
The utility model discloses a signal conditioning unit 21 includes low pass filter and signal amplification circuit, and low pass filter carries out low pass filtering with the analog signal of vibrating wire sensor 11 and digital sensor 12 transmission in order to eliminate interference signal, and analog signal is enlargied in transmitting to signal amplification circuit afterwards.
The utility model discloses an excitation unit includes the exciter, and the vibration exciter is to vibrating wire of vibrating wire sensor and is started vibrating, and picks up the vibration frequency that the unit will pick up vibrating wire and convert this frequency into analog signal of telecommunication, and this analog signal is carried out analog-to-digital conversion in being transmitted to the AD converter.
After analog-to-digital conversion, the two signals are transmitted to the microprocessor 25 for data processing, the storage unit 32 receives and stores the data transmitted by the microprocessor, the display unit 33 displays the signals output by the microprocessor 25, and the microprocessor 25 transmits data information to the upper computer 4 through the communication unit 31 to finish upward transmission of the data.
In order to complete the on/off action between the vibrating wire sensor 11 and the digital sensor 12, the control unit 33 inputs a switching signal for data acquisition to the acquisition instrument, the microprocessor 25 outputs an on/off command to the multi-channel analog switch 143 after receiving the switching signal, the multi-channel analog switch 143 sends the command to the driving chip 142, and the driving chip 142 converts the on/off command into a high/low level to send to the relay 141 so as to complete the on/off action of the vibrating wire sensor 11 and the digital sensor 12.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of action combinations, but those skilled in the art should understand that the present invention is not limited by the described action sequence, because some steps may be performed in other sequences or simultaneously according to the present invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that acts and modules referred to are not necessarily required by the invention.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or communication connection may be an indirect coupling or communication connection between devices or units through some interfaces, and may be in a telecommunication or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above embodiments are only used to illustrate the technical solution of the present invention, and do not limit the protection scope of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from these embodiments without any inventive step, are within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still make no creative work on the condition of conflict, and make mutual combination, addition and deletion, or other adjustments according to the features in the embodiments of the present invention, thereby obtaining other technical solutions which are different and do not depart from the concept of the present invention, and these technical solutions also belong to the scope to be protected by the present invention.
Claims (5)
1. The acquisition instrument based on the double-path vibrating wire sensor and the digital sensor is characterized by comprising a data acquisition module, a data processing module and a peripheral circuit module, wherein the data acquisition module comprises a first path of signal acquisition system and a second path of signal acquisition system, the data acquisition module and the peripheral circuit module are connected with the data processing module, the data processing module is connected with an upper computer, the data acquisition module transmits acquired data to the data processing module, the data processing module processes acquired information and transmits the acquired information to the upper computer, and the peripheral circuit module can display and store the data processed by the data processing module.
2. The acquisition instrument according to claim 1, wherein the data acquisition module comprises a first signal acquisition system and a second signal acquisition system, the first signal acquisition system comprises a vibrating wire sensor, an anti-interference unit and a channel management unit, the digital sensor is connected with the anti-interference unit and then connected with the channel management unit, the second signal acquisition system comprises a digital sensor, an anti-interference unit and a channel management unit, and the two signal acquisition systems are controlled by the channel management unit to be switched.
3. The acquisition instrument according to claim 1, wherein the data processing module comprises a signal conditioning unit, an excitation unit, a vibration pickup unit, an A/D converter and a microprocessor, the first path of signal acquisition system is connected with the signal conditioning unit, the signal conditioning unit is connected with the excitation unit, the excitation unit is connected with the vibration pickup unit, the vibration pickup unit is connected with the A/D converter, the A/D converter is connected with the microprocessor, and the second path of signal acquisition system is connected with the microprocessor through the A/D converter.
4. The acquisition instrument according to claim 1, wherein the peripheral circuit module comprises a power module, a storage unit, a control unit, a display unit and a communication unit, the power module, the storage unit, the control unit, the display unit and the communication unit are all connected with the microprocessor, the power module provides working voltage for each electronic element, the storage unit stores digital signals processed by the microprocessor, the control unit is used for inputting working parameters for controlling the two-path signal acquisition system, the display unit is used for displaying data information processed by the microprocessor, and the communication unit transmits the data information processed by the microprocessor to an upper computer for terminal monitoring.
5. The acquisition instrument according to claim 2, wherein the channel management unit comprises a relay, a driving chip and a multi-channel analog switch, the relay is connected with the driving chip, the driving chip is connected with the multi-channel analog switch, the multi-channel analog switch is connected with the signal conditioning unit, and the vibrating wire sensor and the digital sensor are respectively connected with a relay; the microprocessor controls the driving chip through the multi-channel analog switch, and the driving chip controls the on-off action of the relay, so that the aim of controlling the on-off of the two signal acquisition systems is fulfilled.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020318098.6U CN211262546U (en) | 2020-03-14 | 2020-03-14 | Acquisition instrument based on double-path vibrating wire sensor and digital sensor |
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| CN202020318098.6U CN211262546U (en) | 2020-03-14 | 2020-03-14 | Acquisition instrument based on double-path vibrating wire sensor and digital sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113468085A (en) * | 2021-05-20 | 2021-10-01 | 武汉华和物联技术有限公司 | Multifunctional intelligent acquisition instrument and acquisition method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113468085A (en) * | 2021-05-20 | 2021-10-01 | 武汉华和物联技术有限公司 | Multifunctional intelligent acquisition instrument and acquisition method thereof |
| CN113468085B (en) * | 2021-05-20 | 2022-08-19 | 武汉华和物联技术有限公司 | Multifunctional intelligent acquisition instrument and acquisition method thereof |
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Address after: Room 301-302, 3rd floor, building a, Yunnan Copper Compaq tower, Kegao Road, high tech Zone, Kunming, Yunnan 650000 Patentee after: Zhongxing shuchuang (Yunnan) Technology Co.,Ltd. Address before: Room 301-302, 3rd floor, building a, Yunnan Copper Compaq tower, Kegao Road, high tech Zone, Kunming, Yunnan 650000 Patentee before: Yunnan novog Technology Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 |