CN205843914U - A kind of portable spot check instrument being applicable to wireless vibration measuring - Google Patents
A kind of portable spot check instrument being applicable to wireless vibration measuring Download PDFInfo
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- CN205843914U CN205843914U CN201620660534.1U CN201620660534U CN205843914U CN 205843914 U CN205843914 U CN 205843914U CN 201620660534 U CN201620660534 U CN 201620660534U CN 205843914 U CN205843914 U CN 205843914U
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- spot check
- check instrument
- wireless vibration
- transceiver
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Abstract
The utility model discloses a kind of portable spot check instrument being applicable to wireless vibration measuring, including wireless vibration sensor and packaged type spot check instrument；Described wireless vibration sensor includes vibrating sensor, simulated modulation circuit, analog digital converter, the first single-chip microcomputer, RF transceiver, power supply and external antenna；Described packaged type spot check instrument includes spot check instrument body, second singlechip, the second RF transceiver and the second external antenna.This utility model passes through wireless vibration sensor and the portable spot check instrument of built-in radio communication function, collection analysis vibration data the most at the scene.Comparing traditional cable connect vibrating sensor probe and gather the mode of portable spot check instrument, personnel need not remove placement sensor measuring point near plant equipment, more convenient to use, also reduces personnel's security risk that plant equipment is brought in running.
Description
Technical field
This utility model relates to a kind of portable spot check instrument being applicable to wireless vibration measuring.
Background technology
In plant equipment health detection, apply substantial amounts of vibration acquisition analytical equipment, by vibration analysis to machinery
The analysis health status of equipment is the best, and these vibration acquisition analytical equipments use vibrating sensor to pass through the side of cable mostly
Formula is connected to the portable spot check instrument (industry PDA) for gathering signal, plant maintenance personnel carry portable spot check instrument and exist
Do data collection and analysis near the region of plant equipment, owing to there is the wire transmission collection of entity, and need cable to connect
Mode personnel are near the plant equipment operated, so existing industry PDA exists certain potential safety hazard, and for one
The place that a little inconvenience personnel arrive is the most inconvenient when operating.
Utility model content
The purpose of this utility model is to provide a kind of portable spot check instrument being applicable to wireless vibration measuring, wirelessly adopts
Set analysis vibration data, personnel just can be able to operate in distance operation equipment place farther out, more safe and convenient.
This utility model employing following technical proposals:
A kind of portable spot check instrument being applicable to wireless vibration measuring, including measuring mechanical shock for being placed on scene
The packaged type spot check instrument of wireless vibration sensor and built-in radio communication function；Described wireless vibration sensor includes vibration
Sensor, simulated modulation circuit, analog digital converter, the first single-chip microcomputer, the first RF transceiver, power supply and the first external sky
Line, the outfan of vibrating sensor passes sequentially through the input phase of simulated modulation circuit and analog digital converter and single-chip microcomputer
Even, the outfan of described single-chip microcomputer is connected by the first RF transceiver and the first external antenna；
The packaged type spot check instrument of described built-in radio communication function include spot check instrument body, second singlechip, second
RF transceiver and the second external antenna, described spot check instrument body is connected with second singlechip, the output of second singlechip
End is connected by the second RF transceiver and the second external antenna.
Also including memorizer, described memorizer is ferroelectric memory, described ferroelectric memory and the first single-chip microcomputer phase
Connect.
Described vibrating sensor is piezoelectric ceramic vibration sensor core.
Described RF transceiver is the ATRF212 of atmel company.
Also including impedance line, described impedance line is separately positioned on the first RF transceiver and the first external antenna and
Between two RF transceivers and the second external antenna, size is 50ohm.
Described wireless vibration sensor has multiple, multiple wireless vibration sensors by the first wireless transceiver respectively with
Packaged type spot check instrument is connected.
This utility model passes through wireless vibration sensor and the portable spot check instrument of built-in radio communication function, with wireless
Mode collection analysis vibration data at the scene.Compare traditional cable connect vibrating sensor probe and gather portable spot check instrument
Mode, personnel need not remove placement sensor measuring point near plant equipment, more convenient to use, also reduces personnel close
The security risk that in operation, plant equipment is brought.
Accompanying drawing explanation
Fig. 1 is the schematic block diagram of wireless vibration sensor described in the utility model；
Fig. 2 is the schematic block diagram of built-in radio-frequency enabled movable type spot check instrument described in the utility model.
Detailed description of the invention
As it is shown in figure 1, a kind of portable spot check instrument being applicable to wireless vibration measuring, including measuring for being placed on scene
The wireless vibration sensor of mechanical shock and the packaged type spot check instrument of built-in radio communication function；Described wireless vibration sensing
Device include vibrating sensor, simulated modulation circuit, analog digital converter, the first single-chip microcomputer, the first RF transceiver, power supply and
First external antenna, the outfan of vibrating sensor passes sequentially through simulated modulation circuit and analog digital converter and single-chip microcomputer
Input is connected, and the outfan of described single-chip microcomputer is connected by the first RF transceiver and the first external antenna；
Vibrating sensor described in the utility model is piezoelectric ceramic vibration sensor core, by piezoelectric effect by equipment
Original vibration signal is converted into the signal of telecommunication, and the signal of telecommunication enters analog signal conditioner circuit with analog signal form, to original
Acceleration signal does processing and amplifying, filtering, and hardware Integral Processing, and original acceleration signal is processed into rate signal and displacement
Signal, signal after process continues to enter analog-digital converter with the form of analogue signal, and analog-digital converter can be by
The analog signal digital that analog signal conditioner circuit is come in, enters digitized signal in analog-digital converter and passes through SPI1
Interface and the first single chip part are connected, and the first single-chip microcomputer goes sampling with certain sample rate Fs, and Fs is in this example
32Ksample/s, the first single-chip microcomputer is stored temporarily in ferroelectric memory with the initial data of Fs sample rate collection, the first monolithic
Machine is connected with ferroelectric memory with SPI2 contact mouth, and last first single-chip microcomputer is with SPI3 interface and the first RF transceiver part phase
Even.
The packaged type spot check instrument of described built-in radio communication function include spot check instrument body, second singlechip, second
RF transceiver and the second external antenna, described spot check instrument body is connected with second singlechip, the output of second singlechip
End is connected by the second RF transceiver and the second external antenna.The first described RF transceiver and the second RF transceiver
Use for coupling.Described RF transceiver is the ATRF212 of atmel company, and frequency range is 779-787M, and RF transceiver leads to
Cross 50ohm impedance line to be connected with 780M radio-frequency antenna part, i.e. described impedance line be separately positioned on the first RF transceiver and
Between first external antenna and the second RF transceiver and the second external antenna.
As shown in Figure 2, the portable spot check instrument main body of described built-in radio communication function passes through UART and the second monolithic
Machine part is connected, and second singlechip is connected by SPI interface and the second RF transceiver part, the second RF transceiver mistake
50ohm impedance cable and 4 parts are connected, and 4 is 780M radio-frequency antenna.
Described wireless vibration sensor has multiple, multiple wireless vibration sensors by the first wireless transceiver respectively with
Packaged type spot check instrument is connected, and thus can be monitored multiple targets to be measured simultaneously.
In this utility model, wireless vibration sensor acquiescence is operated in intermittent monitoring pattern, wireless vibration sensor
First single-chip microcomputer each T time unit is waken up automatically, by RF transceiver unit, monitors a time period t the least, sees this
Aloft transmitting either with or without wake-up packet in the individual t time, other time, wireless vibration sensor enters the dormancy mould of low-power consumption
Formula, T is 6S in an example, and t is 4mS.The work of such short time can make the battery of wireless vibration sensor use
Time is longer, it is to avoid change the additional maintenance that battery brings.It is 6S at T, and in the case of t is 4mS, wireless vibration sensor exists
The use time of 1-2 can be maintained under typical use frequency.
When needing the data gathering wireless vibration sensor, built-in radio-frequency enabled movable type spot check instrument is firstly the need of activation
Selected wireless vibration sensor, by identifying to the ID of each wireless vibration sensor, portable spot check instrument is the most logical
Crossing the second RF transceiver, the band that sends intensive in T time there is a need to the wake-up packet of the wireless vibration sensor ID waken up up, when
Wireless vibration sensor captures after carrying oneself ID wake-up packet will enter ready mode, at this moment the first of wireless vibration sensor
RF transceiver, for fully operational state, receives the acquisition from portable spot check instrument by the first RF transceiver,
Then the first single-chip microcomputer of wireless vibration sensor activates Acquisition Circuit, vibrates according to the collection that arranges of portable spot check instrument order
Data, and be stored temporarily in ferroelectric memory after doing digital processing, the vibration after being processed by RF transceiver the most again
Data are sent to portable spot check instrument end, and after completing this process, wireless vibration sensor continues back at the intermittence of low-power consumption
Monitoring pattern, waits and being activated next time.
This utility model realizes wireless mode by the radio communication cooperation of wireless vibration sensor and portable spot check instrument
Vibrating data collection analysis, compare traditional cable mode more convenient.And the conditioning of above-mentioned analogue signal, conversion
Being the prior art of maturation, this utility model only brings use, and innovative point of the present utility model does not lies in this, equally yet
The setting of mode of operation of this last device and principle, this is also prior art, is merely an example of how to allow originally being equipped in so
Pattern under preferably work, be the most also not related to method feature, detailed step and circuit block do not repeat them here.
To sum up, this utility model by by vibrating sensor and simulated modulation circuit, analog digital converter, single-chip microcomputer,
RF transceiver and battery and these parts of external antenna are integrated among a small and exquisite wireless vibration sensor, and this is wireless shakes
Dynamic sensor can be arranged in the plant equipment at scene easily, and plant maintenance personnel carry to be built-in with and sense with wireless vibration
Utensil has the same radio frequency communication function movable type spot check instrument just can be with wireless at the communication range of wireless vibration sensor
Vibrating sensor communicates the vibration information of acquisition equipment.
Claims (6)
1. the portable spot check instrument being applicable to wireless vibration measuring, it is characterised in that: include measuring for being placed on scene
The wireless vibration sensor of mechanical shock and the packaged type spot check instrument of built-in radio communication function；Described wireless vibration sensing
Device include vibrating sensor, simulated modulation circuit, analog digital converter, the first single-chip microcomputer, the first RF transceiver, power supply and
First external antenna, the outfan of vibrating sensor passes sequentially through simulated modulation circuit and analog digital converter and single-chip microcomputer
Input is connected, and the outfan of described single-chip microcomputer is connected by the first RF transceiver and the first external antenna；
The packaged type spot check instrument of described built-in radio communication function includes spot check instrument body, second singlechip, the second radio frequency
Transceiver and the second external antenna, described spot check instrument body is connected with second singlechip, and the outfan of second singlechip leads to
Cross the second RF transceiver and the second external antenna is connected.
The portable spot check instrument being applicable to wireless vibration measuring the most according to claim 1, it is characterised in that: also include storage
Device, described memorizer is ferroelectric memory, and described ferroelectric memory and the first single-chip microcomputer are connected.
The portable spot check instrument being applicable to wireless vibration measuring the most according to claim 1, it is characterised in that: described vibration passes
Sensor is piezoelectric ceramic vibration sensor core.
The portable spot check instrument being applicable to wireless vibration measuring the most according to claim 1, it is characterised in that: described radio frequency is received
Send out the ATRF212 that device is atmel company.
The portable spot check instrument being applicable to wireless vibration measuring the most according to claim 1, it is characterised in that: also include impedance
Line, described impedance line is separately positioned on outside the first RF transceiver and the first external antenna and the second RF transceiver and second
Putting between antenna, size is 50ohm.
6., according to the portable spot check instrument being applicable to wireless vibration measuring described in claim 1-5 any claim, its feature exists
In: described wireless vibration sensor has multiple, multiple wireless vibration sensors by the first wireless transceiver respectively with can move
Dynamic formula spot check instrument is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620660534.1U CN205843914U (en) | 2016-06-29 | 2016-06-29 | A kind of portable spot check instrument being applicable to wireless vibration measuring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620660534.1U CN205843914U (en) | 2016-06-29 | 2016-06-29 | A kind of portable spot check instrument being applicable to wireless vibration measuring |
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| Publication Number | Publication Date |
|---|---|
| CN205843914U true CN205843914U (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620660534.1U Active CN205843914U (en) | 2016-06-29 | 2016-06-29 | A kind of portable spot check instrument being applicable to wireless vibration measuring |
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| Country | Link |
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| CN (1) | CN205843914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973555A (en) * | 2016-06-29 | 2016-09-28 | 河南中烟工业有限责任公司 | Movable-type point inspection instrument suitable for wireless vibration measurement |
-
2016
- 2016-06-29 CN CN201620660534.1U patent/CN205843914U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973555A (en) * | 2016-06-29 | 2016-09-28 | 河南中烟工业有限责任公司 | Movable-type point inspection instrument suitable for wireless vibration measurement |
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