CN104535173A - Vibration signal acquisition system and method for marine device - Google Patents
Vibration signal acquisition system and method for marine device Download PDFInfo
- Publication number
- CN104535173A CN104535173A CN201510023605.7A CN201510023605A CN104535173A CN 104535173 A CN104535173 A CN 104535173A CN 201510023605 A CN201510023605 A CN 201510023605A CN 104535173 A CN104535173 A CN 104535173A
- Authority
- CN
- China
- Prior art keywords
- control chip
- acquisition system
- current source
- constant
- source circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention relates to a vibration signal acquisition system for a marine device. The vibration signal acquisition system comprises a polymer lithium battery, a constant-current source circuit, a three-dimensional vibration sensor, a SD (secure digital memory) card and an acquisition master control chip, wherein the polymer lithium battery is used for supplying power to the three-dimensional vibration sensor through the constant-current source circuit, the polymer lithium battery is used for supplying the power to the acquisition master control chip, the acquisition master control chip is used for outputting a control signal to the constant-current source circuit to control the constant-current source circuit to output and realize power on and power off, a signal of the three-dimensional vibration sensor is sent to an AD (analog-digital) conversion port of the acquisition master control chip, and data acquired by the acquisition master control chip is sent to the SD card for saving. The vibration signal acquisition system can acquire vibration signals of the marine device for a relatively long time, perform signal acquisition for as long as 90-100 days after being fully charged once, further store the acquired data on the SD card together with time marks, prevent complex field arrangement of power supply wires and signal wires of a general-purpose acquisition system and also avoid the shortcomings that the general-purpose acquisition system is affected by the power supply wires and the signals wires and cannot perform long-term acquisition.
Description
Technical field
The present invention relates to a kind of Signal Collection Technology, particularly a kind of shipborne equipment vibration signal acquisition system and method.
Background technology
The data collector that the many employings of existing shipborne equipment vibration signals collecting method are general, carry out confession electrical wiring at the scene, sensor wiring and data transmission wiring, by the operation of manual monitoring data collector, carry out the vibration acquisition of the shipborne equipment of a period of time.This acquisition method can introduce the interim laying of a large amount of power supplies and transmission cable, directly affects the normal operation of equipment on board and personnel, and the service cable laid easily is subject to the impact of electrical equipment around and then has influence on the precision collecting data, moreover the laying of interim a large amount of cables can not maintain the acquisition time of long period, cannot gather and obtain for a long time with the vibration signal of shipborne equipment working conditions change.
There are complete vibration signal acquisition system and ready-made vibration signals collecting solution in Kistler company of Switzerland, but for the acquisition system of shipborne equipment vibration signal, the collection of the especially long-term vibration signal with the different operating mode of ship, does not temporarily also have ready-made product and patent.B & K company of Denmark is mainly engaged in the measurement of acoustics, also there is the appearance of vibration measurement product simultaneously, most test products mainly concentrated in general acoustics and general vibration field, for the special collecting device in some industry, corresponding product and patent do not occur.
Switzerland's ROTRONIC Company is crossed and is gathered HL-NT2 data recorder for measuring tempeature, can permanent collecting temperature numerical value continuously, but the different from those of temperature and vibration signal is larger, the requirement of sample frequency is also differed greatly, requirement difference for acquisition system institute subfam. Spiraeoideae is also comparatively large, can not be applicable to the collection of the vibration signal of shipborne equipment.
Domestic Shenzhen Hua Tu TT&C system company limited also released the equipment for carrying out temperature acquisition for a long time, as HE173, HE174, the property difference of the same characteristic due to temperature data and vibration data is comparatively large, and these equipment cannot be transplanted or be applied on the collection field of vibration signal.
Summary of the invention
The present invention be directed to existing signal pickup assembly cannot Real-time Collection and preserve the problem of shipborne equipment vibration signal for a long time, propose a kind of shipborne equipment vibration signal acquisition system and method, powered by appropriate design acquisition system, gather rhythm and make acquisition system can to X in 90 ~ 100 days, Y, Z triple channel carries out the collection of vibration signal, by optimization data storage format, the vibration data collected can be stored in the SD card of 8G.
Technical scheme of the present invention is: a kind of shipborne equipment vibration signal acquisition system, comprise poly-lithium battery, constant-current source circuit, three-dimensional vibrating sensor, store with SD card and gather main control chip, poly-lithium battery by constant-current source circuit to three-dimensional vibrating sensor power, poly-lithium battery powers to collection main control chip, gather main control chip and output a control signal to constant-current source circuit according to acquisition time, control constant-current source circuit export power supply or disconnect power supply, three-dimensional vibrating sensor signal send the AD analog to digital conversion mouth gathering main control chip, the data gathering main control chip collection send SD card to preserve.
Described three-dimensional vibrating sensor is the three-dimensional vibrating sensor of ICP interface.
Described poly-lithium battery is the high capacity polymer lithium battery of 20AH.
Described main control chip adopts the low-power consumption STM32F103 chip with sleep mode, and sample frequency is single channel 5KHz, totally 3 AD passages.
Described SD storage card is FAT32 form storage card.
Arrange the sampling period in described collection main control chip, by loop cycle collection, a collection period comprises time and the sampling time of system hibernates, comprises the sensor stabilization time in 2 seconds and the vibration signals collecting time of 8 seconds inside the sampling time; Synchronous acquisition main control chip controls constant-current source circuit and powers in the sampling time, in the power-off of system hibernates time, the data gathered store with document form, file adopts binary format to store, the size of individual data block is 512 bytes, origin identification is 2 bytes, and notebook data blocks of data gathers the moment relative to gathering time delay 2 byte of startup command, and the image data that time of notebook data block collection marks 4 bytes and 84 groups of 3 passages amounts to 504 bytes.
Beneficial effect of the present invention is: shipborne equipment vibration signal acquisition system of the present invention and method, achieve the shipborne equipment vibration signals collecting of long period, and the signals collecting reaching 90 ~ 100 days can be carried out when being once full of electricity, and the data collected are stored in together with time mark on SD card, avoid the supply lines of the complexity of general acquisition system, the site layout project of signal wire.It also avoid by supply lines, signal wire impact can not carry out the shortcoming of long-term acquisition.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of shipborne equipment vibration signal acquisition system of the present invention;
Fig. 2 is the acquisition strategies procedure chart that the present invention realizes vibrating data collection.
Embodiment
The structured flowchart of shipborne equipment vibration signal acquisition system as shown in Figure 1, acquisition system comprises: poly-lithium battery, constant-current source circuit, three-dimensional vibrating sensor, store with SD card and gather main control chip.Poly-lithium battery adopts battery capacity to be 20AH high capacity cell, provides acquisition system the electric power supply of continuous 90 ~ 100 days.The three-dimensional vibrating sensor that constant-current source circuit is ICP interface provides power supply, is controlled by main control chip simultaneously.When acquisition system is in the dormant stage, constant-current source circuit is disconnected completely to save electric energy.Three-dimensional vibrating sensor is ICP interface sensor popular on the market.Host computer arranges interface and is mainly used in carrying out clock synchronous to acquisition system.SD card stores the data collected with document form.The clock of acquisition system adopts the timing mode of relative time clock, the module that analog/digital conversion module adopts main control chip built-in.Main control chip adopts the low-power consumption STM32F103 chip with sleep mode, and sample frequency is single channel 5KHz, totally 3 vibration signals collecting passages.
Realize the acquisition strategies procedure chart of vibrating data collection as shown in Figure 2, the vibration signals collecting mode for noncontinuity that the present embodiment provides a kind of shipborne equipment vibration signal acquisition system and method to adopt.The inertia of boats and ships is comparatively large, and the change of transport condition is slow; The startup of vibratory equipment peculiar to vessel, work and stopping also having the longer work period; In addition aging, the wearing and tearing of vibratory equipment and the appearance of fault are all processes gradually.So a collection period of design acquisition system is 610 seconds, the time that wherein 600 seconds (10 minutes) are system hibernates, inside 10 seconds, comprise the sensor stabilization time in 2 seconds and the vibration signals collecting time of 8 seconds.The duty of boats and ships and vibratory equipment thereof can be obtained like this, the long-term power requirement of acquisition system system can be met simultaneously.As shown in table 1, the data memory format that the present embodiment provides a kind of shipborne equipment vibration signal acquisition system to adopt is that file stores, the size of individual data file is 2Gbit, file adopts binary format to store, in file, the size of each data block is 512 bytes, wherein be followed successively by: data block origin identification is 2 bytes, notebook data blocks of data gathers the moment relative to time delay 2 byte of initial order, and the image data that time of notebook data block collection marks 4 bytes and 84 groups of 3 passages amounts to 504 bytes.
Table 1
In the present embodiment, it is general serial line interface that host computer arranges interface.SD storage card is FAT32 form storage card.
Be more than a kind of optimal way in the present embodiment, in other embodiments, other parts also can be adopted to replace.
Adopt shipborne equipment vibration signal acquisition system and the method for said structure, the vibrating data collection concrete operations carrying out shipborne equipment are:
The first step, in order to realize acquisition system continuous working 90 ~ 100 days under boats and ships normal/cruise operating mode, in conjunction with the working environment in ship's space, acquisition system adopts rechargeable, nonflammable explosive lithium ion polymer pond to power.Equipment, after clock synchronous and storage medium initialization, is placed in test station, can be unmanned for getting involved ground continuous working 90 ~ 100 days.
Second step, in order to coordinate the vibration transducer of at present comparatively popular ICP interface, by battery powered 3.7V dc voltage boost to 24V and design circuit ensures constant current-supplying within the scope of 24V.Simultaneously in order to saves energy can carry out power-off energy saving to constant-current source circuit between rest period, restore electricity between Harvest time.
3rd step, the interface of acquisition system and host computer adopts RS232 serial communication interface to carry out, and mainly completes the synchronous of acquisition system clock.
4th, the mode of operation of acquisition system collection be dormancy in 10 minutes and gather for 10 seconds alternately, the collection of vibration signal carried out of continuous print pattern.
5th step, the analog/digital conversion of vibration signal is undertaken by the A/D module that main control chip is built-in, and resolution is 12,3 passages, and single channel sample frequency is 5KHz.The vibration data position double byte data collected, is stored in SD card according to the form of the data block of 512 bytes, and each data block has and identifies at the same time, and time marking is according to the way timing of relative time clock.
The present invention is a kind of shipborne equipment vibration signal acquisition system and method, mainly can reach collection and the storage of the three-dimensional vibrating signal of 90 ~ 100 days continuously with the vibration operating mode of the operational configuration of boats and ships to the electromechanical equipment on ship.The present invention adopts rational sensor, constant-current source circuit, poly-lithium battery and storage SD card, and the main control chip of low-power consumption.The unmanned vibration signals collecting long-term to vibratory equipment of intervening is realized by the acquisition strategies of appropriate design vibration signal and the control strategy of circuit.Reduce the complexity of on-site data gathering and difficulty, improve the work on the spot environment of scientific research personnel, or effectively, the three-dimensional vibrating signal of shipborne equipment that is long-term, different operating mode.
Claims (6)
1. a shipborne equipment vibration signal acquisition system, it is characterized in that, comprise poly-lithium battery, constant-current source circuit, three-dimensional vibrating sensor, store with SD card and gather main control chip, poly-lithium battery by constant-current source circuit to three-dimensional vibrating sensor power, poly-lithium battery powers to collection main control chip, gather main control chip and output a control signal to constant-current source circuit according to acquisition time, control constant-current source circuit export power supply or disconnect power supply, three-dimensional vibrating sensor signal send the AD analog to digital conversion mouth gathering main control chip, the data gathering main control chip collection send SD card to preserve.
2. shipborne equipment vibration signal acquisition system according to claim 1, it is characterized in that, described three-dimensional vibrating sensor is the three-dimensional vibrating sensor of ICP interface.
3. shipborne equipment vibration signal acquisition system according to claim 1, it is characterized in that, described poly-lithium battery is the high capacity polymer lithium battery of 20AH.
4. shipborne equipment vibration signal acquisition system according to claim 1, is characterized in that, described main control chip adopts the low-power consumption STM32F103 chip with sleep mode, and sample frequency is single channel 5KHz, totally 3 AD passages.
5. shipborne equipment vibration signal acquisition system according to claim 1, it is characterized in that, described SD storage card is FAT32 form storage card.
6. the acquisition method of system according to claim 1, it is characterized in that, in described collection main control chip, the sampling period is set, by loop cycle collection, a collection period comprises time and the sampling time of system hibernates, comprises the sensor stabilization time in 2 seconds and the vibration signals collecting time of 8 seconds inside the sampling time; Synchronous acquisition main control chip controls constant-current source circuit and powers in the sampling time, in the power-off of system hibernates time, the data gathered store with document form, file adopts binary format to store, the size of individual data block is 512 bytes, origin identification is 2 bytes, and notebook data blocks of data gathers the moment relative to gathering time delay 2 byte of startup command, and the image data that time of notebook data block collection marks 4 bytes and 84 groups of 3 passages amounts to 504 bytes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023605.7A CN104535173A (en) | 2015-01-16 | 2015-01-16 | Vibration signal acquisition system and method for marine device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023605.7A CN104535173A (en) | 2015-01-16 | 2015-01-16 | Vibration signal acquisition system and method for marine device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104535173A true CN104535173A (en) | 2015-04-22 |
Family
ID=52850748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510023605.7A Pending CN104535173A (en) | 2015-01-16 | 2015-01-16 | Vibration signal acquisition system and method for marine device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104535173A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615271A (en) * | 2018-07-03 | 2018-10-02 | 北京市劳动保护科学研究所 | Vibration acceleration acquisition and memory system and method |
| CN113296437A (en) * | 2021-05-13 | 2021-08-24 | 重庆兆洲科技发展有限公司 | Micro-power consumption acquisition auxiliary device and acquisition method |
| CN114371775A (en) * | 2022-01-06 | 2022-04-19 | 北京京东乾石科技有限公司 | Dormancy control method and device, information acquisition system and cabinet |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4031745B2 (en) * | 2003-09-16 | 2008-01-09 | 三菱重工業株式会社 | Gear diagnosis method and gear diagnosis device |
| CN101419443A (en) * | 2008-12-12 | 2009-04-29 | 广州杰赛科技股份有限公司 | Data acquisition and monitor control system terminal acquisition equipment |
| CN101902832A (en) * | 2010-08-10 | 2010-12-01 | 中南大学 | Lower power consumption wireless sensor network node device capable of monitoring vibration continuously |
| CN102735329A (en) * | 2012-06-13 | 2012-10-17 | 中国船舶重工集团公司第七0四研究所 | Device and method for monitoring vibration state of marine rotary mechanical shaft system |
| CN103257602A (en) * | 2013-05-20 | 2013-08-21 | 中煤科工集团西安研究院 | Control system and working process thereof for mine seismic wave continuous recording instrument |
| CN203785783U (en) * | 2014-04-08 | 2014-08-20 | 沈阳大学 | Vibration signal acquisition system based on STM32F103C8T6 |
-
2015
- 2015-01-16 CN CN201510023605.7A patent/CN104535173A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4031745B2 (en) * | 2003-09-16 | 2008-01-09 | 三菱重工業株式会社 | Gear diagnosis method and gear diagnosis device |
| CN101419443A (en) * | 2008-12-12 | 2009-04-29 | 广州杰赛科技股份有限公司 | Data acquisition and monitor control system terminal acquisition equipment |
| CN101902832A (en) * | 2010-08-10 | 2010-12-01 | 中南大学 | Lower power consumption wireless sensor network node device capable of monitoring vibration continuously |
| CN102735329A (en) * | 2012-06-13 | 2012-10-17 | 中国船舶重工集团公司第七0四研究所 | Device and method for monitoring vibration state of marine rotary mechanical shaft system |
| CN103257602A (en) * | 2013-05-20 | 2013-08-21 | 中煤科工集团西安研究院 | Control system and working process thereof for mine seismic wave continuous recording instrument |
| CN203785783U (en) * | 2014-04-08 | 2014-08-20 | 沈阳大学 | Vibration signal acquisition system based on STM32F103C8T6 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615271A (en) * | 2018-07-03 | 2018-10-02 | 北京市劳动保护科学研究所 | Vibration acceleration acquisition and memory system and method |
| CN113296437A (en) * | 2021-05-13 | 2021-08-24 | 重庆兆洲科技发展有限公司 | Micro-power consumption acquisition auxiliary device and acquisition method |
| CN113296437B (en) * | 2021-05-13 | 2022-07-22 | 重庆兆洲科技发展有限公司 | Micro-power consumption acquisition auxiliary device and acquisition method |
| CN114371775A (en) * | 2022-01-06 | 2022-04-19 | 北京京东乾石科技有限公司 | Dormancy control method and device, information acquisition system and cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103986416B (en) | A kind of portable light photovoltaic assembly monitoring side | |
| CN103491148A (en) | Mobile deep sea cultivation monitoring system | |
| CN104535173A (en) | Vibration signal acquisition system and method for marine device | |
| CN107356233A (en) | A kind of vertical array 1 system suitable for the extremely cold marine site acoustics hydrographic survey of high latitude | |
| CN205176549U (en) | Wireless detecting system of energy -saving green house | |
| CN108362369A (en) | A kind of self-tolerant single channel ocean acoustic signal measurement apparatus having synchronizing function | |
| CN204946296U (en) | A kind of atmospheric environmental parameters real-time measurement system | |
| CN201796487U (en) | Automatic seawater cage culture environment monitoring device | |
| CN103777071A (en) | High voltage DC electric energy meter | |
| CN202904042U (en) | Solar cell matrix environmental data acquisition unit | |
| CN201584918U (en) | Independent power supply wireless communication device for large air boat | |
| CN103204556A (en) | Solar energy algae-controlling machine | |
| CN105910654A (en) | Vegetable greenhouse monitoring system based on temperature and humidity sensor | |
| CN206224778U (en) | A kind of wireless multi-channel vibrating wire acquirer | |
| CN204154906U (en) | Double frequency current signal transmitter in a kind of ocean electrical survey (-ing) system | |
| CN206725703U (en) | A kind of high frequency sensors for the GIS partial discharge on-line monitoring being wirelessly transferred | |
| CN214311478U (en) | Self-powered greenhouse monitoring system | |
| CN203275676U (en) | Meteorological information monitoring system based on transmission line | |
| CN109387459A (en) | Solar powered soil water potential intelligent recorder and its correction, application method | |
| CN201293937Y (en) | Wireless sensor network device for circumstance detection | |
| CN205643749U (en) | Ocean meteorological monitoring drifting buoy | |
| CN220893331U (en) | Multi-parameter multi-channel distributed synchronous measuring device | |
| CN209728478U (en) | A kind of ADCP multifunctional adapter | |
| CN204346432U (en) | A kind of hydrographic information detection system | |
| CN205003137U (en) | Soilless culture culture solution parameter detecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150422 |
|
| WD01 | Invention patent application deemed withdrawn after publication |