CN104949898A - Portable digital densimeter and density metering method thereof - Google Patents

Portable digital densimeter and density metering method thereof Download PDF

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Publication number
CN104949898A
CN104949898A CN201510355639.6A CN201510355639A CN104949898A CN 104949898 A CN104949898 A CN 104949898A CN 201510355639 A CN201510355639 A CN 201510355639A CN 104949898 A CN104949898 A CN 104949898A
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Prior art keywords
probe
densitometer
handle
data
portable digital
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陈辉
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QINGDAO AUBON INSTRUMENT CO Ltd
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QINGDAO AUBON INSTRUMENT CO Ltd
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Abstract

The invention discloses a portable digital densimeter and a density metering method thereof. The portable digital densimeter comprises a take-up bin, a densimeter probe, a base and a data processing and displaying cabin. The densimeter probe is provided with a probe containing drum. The take-up bin and the probe containing drum are both fixed to the base. The data processing and displaying cabin is fixed to the top of the probe containing drum. According to the density metering method based on the portable digital densimeter, liquid can be measured in a layered mode, the distribution detection of the density can be achieved, and the consistency of the product is identified. The portable digital densimeter is a precise instrument used for measuring the density and temperature of liquid, and is suitable for storage tanks or other storage and transportation devices, capable of being immersed to any depth of the liquid to conduct measurement, free of unique technical requirements and heavy and fallible sample collection and measurement processes, and capable of easily, conveniently, rapidly and accurately conducting measurement operation.

Description

A kind of portable digital densitometer and densitometry method thereof
Technical field
The present invention relates to densitometry field, especially a kind of portable digital densitometer and densitometry method thereof.
Background technology
Density is a very important quantification mark in petroleum products metering, and it is not only the quantitative index calculating oil product under certain volume, is also an important symbol of oil quality simultaneously.In oil product business, the such as allotment of oil product trade transaction, storage metering, oil quality, and solve Oil Product Marketing and various quality disputes in use etc., oil density is all as important investigation object.
Today, still adopt traditional glass overstatement to carry out density measure in most of field, its complex operation, efficiency are low, and in measuring process, oil product easily volatilizees and causes standard density to change, the obstacle that human factor impact is large, precision these drawbacks low have become modernization of business.More and more higher to the requirement of oil metering at present, people are high, easy to use in the urgent need to a kind of accuracy of measurement, fast response time, can the digital instrumentation of on-the-spot directly measuring media density, to improve current density measure level, meet the needs of Enterprise Modernization Management.
In addition, in the metering process of oil product, all need to carry out the sample collection under special technical requirement, gatherer process is loaded down with trivial details, and easily goes wrong and personal error.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention proposes a kind of portable digital densitometer and densitometry method thereof.The present invention is without the need to sampling, and any degree of depth that can be immersed in liquid is measured.
The present invention adopts following technical scheme:
A kind of portable digital densitometer, comprise take-up storehouse, densitometer probe, base and data processing display module, described densitometer probe is furnished with probe admission extinguisher, and take-up storehouse and probe admission extinguisher are all fixed on base, and data processing display module is fixed on probe admission extinguisher top;
The top of described probe admission extinguisher is communicated with take-up storehouse, and the bottom of probe admission extinguisher is provided with the probe outlet be in communication with the outside;
Described take-up storehouse is full-closed structure, the top in take-up storehouse is provided with handle, inside, take-up storehouse is provided with bobbin winoler, bobbin winoler is wound with connecting line, the stiff end of connecting line is fixed on bobbin winoler, the free end Connection Density meter probe of connecting line, has data line in connecting line, data line connection data processes and displays cabin;
Outside, described take-up storehouse is provided with locating turntable and rocking handle; rocking handle connects inner bobbin winoler; locating turntable coordinates with rocking handle and realizes folding and unfolding connecting line and densitometer and pop one's head in and transfer the location of distance, and connecting line drive densitometer is popped one's head in and goed deep into fluid to be measured or be retracted to probe admission extinguisher.
Further, described rocking handle comprises rocking bar and rocking handle handle connected vertically with rocking bar, rocking bar and rocking handle handle junction are provided with keeper, rocking bar one end is rotationally connected and is connected with the circle centre position of locating turntable and with the bobbin winoler of inside; rocking handle handle is suspended in locating turntable circumferentially, and rocking handle rotates around the center of circle of locating turntable;
Described rocking handle handle is provided with locking device, and the circumferentially even of locating turntable is furnished with locking slot, and locking device is connected in locking slot through keeper, rocking handle handle is also provided with the handle controlling locking device.
Further, described bobbin winoler is provided with range sensor, range sensor connection data processes and displays cabin, transfers height for what detect the distance of transferring connecting line and densitometer probe.
Further, described probe admission extinguisher and take-up storehouse connectivity part are provided with the fixed pulley changing connecting line unwinding direction.
Further, the upper surface of described data processing display module is provided with control panel, control panel is provided with display screen and controls button, controls that button comprises the power key of gauge tap machine, the backlight key of adjusting screen bias light, interactive dialogue cancel the return key selected, OK key that interactive dialogue confirms, the up/down of carrying out option adjustment preserve data preservation key and delete key under looking into key, measuring state;
Display screen is used for pseudodensity, temperature, standard density, volume-correction coefficient, the probe Bottom Runby of display measurement sample and measures date and time.
Further, described densitometer probe comprises platinum resistance, detent, controller and vibrating tube, vibration-transmitting plate is had in shock tube, vibration-transmitting plate leaching is placed in fluid to be measured, vibration-transmitting plate connecting brake, described controller control brake produces periodic vibration in shock tube, and the vibration period is T, the density p=K of fluid to be measured 0+ K 1t+K 2t 2, wherein K 0, K 1, K 2for densitometer coefficient;
Described platinum resistance is positioned at vibrating tube and contacts with fluid to be measured, and the temperature of tracer liquid.
Further, described take-up storehouse and base fixed connection place are provided with static grounding clamp, and static grounding clamp is for discharging the electrostatic of portable digital densitometer self.
A kind of densitometric densitometry method of portable digital, comprises the steps: according to the densitometry method based on above-mentioned portable digital densitometer
(1) start shooting, length presses power key two seconds, and after starting display and densitometer probe, about five seconds receives sensing data, and start completes;
(2) what densitometer was popped one's head in transfers, slowly to hold with a firm grip after start handle, locking device and locking plate are departed from, the shake rocking handle handle of uniform speed slow, densitometer is popped one's head in slowly enter in fluid to be measured, and transfer height by display screen reading, after arriving predetermined altitude, unclamp the tight locking plate of handle locking device card and lock densitometer probe;
(3) reading of data, after densitometer probe transfers to specified altitude assignment, range sensor will record distance signal transmission to data processing display module, show after the vibration period of the temperature value that platinum resistance records by data processing display module and densitometer probe and densitometer coefficient processing, directly data are read from display screen after data stabilization, and press preservation key, under measuring state, preserve data;
(4) repeat step (2) and (3), successively transfer densitometer probe, density and the temperature of fluid to be measured are measured in layering.
(5), after having measured, long power key of pressing closes display screen and densitometer probe, and oppositely slow shake rocking handle handle, regains densitometer probe.
In described step (1), first by static grounding clamp ground connection during start, after start, in the menu setecting interface of display screen, user presses the function that upper and lower key is selected to need, and selected function is inverse display, presses OK key and can enter corresponding function interface, select density measure hurdle, density measure can be carried out to medium; Select data query hurdle, operation is checked to the data stored; Select data transmission hurdle, data upload host computer can be read.
In described step (5), when reclaiming residue about 1 meter when popping one's head in, slow down recovery speed, in order to avoid excessive velocities makes probe and tank mouth or base collide.
The friendship technique effect adopting as above technical scheme to obtain is:
Portable digital densitometer is the exact instrument of a measurement fluid density, temperature, is applicable to storage tank or other storage and transportation apparatus, can be immersed in the arbitrary degree of depth of liquid level and measure.Compared with traditional method, this densitometer does not need special technical requirement and the heavy and sample collection measuring process of fallibility, and it is easy and simple to handle, quick, accurate to measure.
Portable digital densitometer can carry out layering measurement to liquid, and the distribution realizing density detects, and identifies the consistance of product.
Accompanying drawing explanation
Fig. 1 is portable digital densitometer structural representation.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the side view of Fig. 1.
Fig. 4 is the vertical view of Fig. 1.
Fig. 5 is control panel schematic diagram.
Fig. 6 is portable digital densitometer cut-open view.
Fig. 7 is the form that data upload host computer carries out reading.
Embodiment
1 to 7 pair of the specific embodiment of the present invention is described further by reference to the accompanying drawings:
A kind of portable digital densitometer, comprises take-up storehouse 6, probe admission extinguisher 3, base 1 and data processing display module 4.Take-up storehouse 6 and probe admission extinguisher 3 are all fixed on base 1, and data processing display module 4 is fixed on probe admission extinguisher 3 top.Base 1 can be placed on measures mouth place.Probe admission extinguisher 3 is in cylindrical tube shape, and inside is provided with densitometer probe 14, and the top of probe admission extinguisher 3 is communicated with take-up storehouse 6, and the bottom of admission extinguisher 3 of popping one's head in is provided with the probe outlet be in communication with the outside, and densitometer probe is by probe outlet discrepancy probe admission extinguisher.Take-up storehouse 6 is full-closed structure, the top in take-up storehouse 6 is provided with handle 5, inside, take-up storehouse 6 is provided with bobbin winoler 17, bobbin winoler 17 is wound with connecting line 18, the stiff end of connecting line is fixed on bobbin winoler, the free end Connection Density meter probe 14 of connecting line, has data line in connecting line 18, data line connection data processes and displays cabin 4.Outside, take-up storehouse 6 is provided with locating turntable 2 and rocking handle 7; rocking handle 7 connects inner bobbin winoler 17; locating turntable coordinates with rocking handle and realizes folding and unfolding connecting line and densitometer and pop one's head in and transfer the location of distance, and connecting line drive densitometer is popped one's head in and goed deep into fluid to be measured or be retracted to probe admission extinguisher.
Rocking handle 7 forms by rocking bar and with rocking bar rocking handle handle connected vertically, rocking bar and rocking handle handle junction are provided with keeper, rocking bar one end is rotationally connected and is connected with the circle centre position of locating turntable and with the bobbin winoler of inside; rocking handle handle is suspended in and is positioned at locating turntable 2 circumferentially, and rocking handle 7 rotates around the center of circle of locating turntable 2.Rocking handle handle is provided with locking device, and the circumferentially even of described locating turntable 2 is furnished with locking slot 8, and locking device is connected in locking slot 8 through keeper, rocking handle handle is also provided with the handle 9 controlling locking device.Bobbin winoler 17 is provided with range sensor, range sensor connection data processes and displays cabin 4, transfers height for what detect the distance of transferring connecting line and densitometer probe 14.
Probe admission extinguisher 3 is provided with take-up storehouse 6 connectivity part the fixed pulley 15 changing connecting line unwinding direction.Fixed pulley 15 can connect kerf device, kerf device its keep connecting line itself clean for striking off fluid to be measured on connecting line.
The upper surface of data processing display module 4 is provided with control panel 12, control panel 12 is provided with display screen 13 and controls button, controls that button comprises the power key of gauge tap machine, the backlight key of adjusting screen bias light, interactive dialogue cancel the return key selected, OK key that interactive dialogue confirms, the up/down of carrying out option adjustment preserve data preservation key and delete key under looking into key, measuring state.Display screen is used for pseudodensity, temperature, standard density, volume-correction coefficient, the probe Bottom Runby of display measurement sample and measures date and time.
Densitometer probe 14 comprises platinum resistance, controller, detent and vibrating tube, the full fluid to be measured of shock tube inside leaching, vibration-transmitting plate is had in shock tube, vibration-transmitting plate connecting brake, described controller control brake produces periodic vibration in shock tube, vibration period is T, the density p=K of fluid to be measured 0+ K 1t+K 2t 2, wherein K 0, K 1, K 2for densitometer coefficient; Platinum resistance is positioned at vibrating tube and contacts with fluid to be measured, and the temperature of tracer liquid.Effective measurement radius of densitometer probe is 100mm, during measurement, guarantees that measured medium can not cross probe, and in the 100mm spheric region of confirmation centered by probe except fluid to be measured, exists, in order to avoid affect measuring accuracy without other foreign matters.
Take-up storehouse 6 and base 1 fixed connection place are provided with static grounding clamp, and static grounding clamp is for discharging the electrostatic of portable digital densitometer self
Portable digital densitometer is equipped with special nickel-hydrogen battery smart charger, and charger has two charging plugs (display screen charging plug 10 and densitometer probe charging plug 11), gives display screen and the charging of densitometer probe battery respectively.
Necessarily guarantee instrument proper grounding before measurement, during measurement, start shooting and discharge densitometer probe, holding handle on the other hand, hold rocking handle on the other hand, make instrument be in unlock state.Slowly at the uniform velocity discharge densitometer probe, according to the altitude information of display screen display, probe Bottom Runby can be judged.After arriving expection height and position, slow releasing rocking handle.The reading (about 10s-60s) after data stabilization such as during measurement.Measurement completes regains probe, please by instrument surface and oil contaminant wiped clean.
The densitometric density measure of portable digital have employed unique harmonic technology, and precision is within 0.0005g/cm3, and resolution is 0.0001g/cm3.Temperature adopts platinum resistor temperature measuring technology, and precision is within 0.1 DEG C, and resolution is 0.1 DEG C.Sensor is invaded in liquid during use and can carry out density, temperature survey, simultaneously automatic scale merit density, volume-correction coefficient VCF.Can carry out layering measurement, the distribution realizing density detects, and identifies the consistance of product simultaneously.Fluid density, the temperature Quick Measurement of oil, the storage tank of chemical field, process tank and tank car can be widely used in.
Comprise the steps: according to the densitometry method based on above-mentioned portable digital densitometer
(1) start shooting, length presses power key two seconds, and after starting display and densitometer probe, about five seconds receives sensing data, and start completes;
(2) what densitometer was popped one's head in transfers, slowly to hold with a firm grip after start handle, locking device and locking plate are departed from, the shake rocking handle handle of uniform speed slow, densitometer is popped one's head in slowly enter in fluid to be measured, and transfer height by display screen reading, after arriving predetermined altitude, unclamp the tight locking plate of handle locking device card and lock densitometer probe;
(3) reading of data, after densitometer probe transfers to specified altitude assignment, range sensor will record distance signal transmission to data processing display module, show after the vibration period of the temperature value that platinum resistance records by data processing display module and densitometer probe and densitometer coefficient processing, directly data are read from display screen after data stabilization, and press preservation key, under measuring state, preserve data;
(4) repeat step (2) and (3), successively transfer densitometer probe, density and the temperature of fluid to be measured are measured in layering.
(5), after having measured, long power key of pressing closes display screen and densitometer probe, and oppositely slow shake rocking handle handle, regains densitometer probe.
In step (1), first by static grounding clamp ground connection during start, after start, in the menu setecting interface of display screen, user presses the function that upper and lower key is selected to need, and selected function is inverse display, presses OK key and can enter corresponding function interface, select [density measure] hurdle, density measure can be carried out to medium; Select [data query] hurdle, operation is checked to the data stored; Select [data transmission] hurdle, data upload host computer can be read.
In step (3), under density measure state, press storage key, select corresponding tank number, select to store data and can preserve corresponding measurement data.When data store completely, data can cover the data of foremost automatically.Most multipotency stores 5000 groups of data.
In step (5), when densitometer probe reclaims residue about 1 meter, slow down recovery speed, in order to avoid excessive velocities makes probe and tank mouth or base collide.After probe is regained completely, release handle, then takes off static grounding clamp, and is wound around neat.
After measurement completes, suitable solvent (clean gasoline, acetone, pure alcohol etc.) is used to clean densitometer probe.
Read about data upload host computer, first density quantification is opened according to office terminal software, connect wireless receiver, then on the densitometric control panel of portable digital, data are selected to transmit, press OK button and select tank number, select uploading data, upload complete auto-returned transport interface; The information such as pseudodensity, temperature, standard density, volume-correction coefficient VCF, time stored when density quantification understands display measurement according to office terminal after end of transmission, as shown in Figure 7.Subsequent treatment can be carried out according to the data recorded.
Certainly; more than illustrate and be only preferred embodiment of the present invention; the present invention is not limited to enumerate above-described embodiment; should be noted that; any those of ordinary skill in the art are under the guidance of this instructions; made all equivalently to substitute, obvious form of distortion, within the essential scope all dropping on this instructions, protection of the present invention ought to be subject to.

Claims (10)

1. a portable digital densitometer, it is characterized in that, comprise take-up storehouse, densitometer probe, base and data processing display module, described densitometer probe is furnished with probe admission extinguisher, take-up storehouse and probe admission extinguisher are all fixed on base, and data processing display module is fixed on probe admission extinguisher top;
The top of described probe admission extinguisher is communicated with take-up storehouse, and the bottom of probe admission extinguisher is provided with the probe outlet be in communication with the outside;
Described take-up storehouse is full-closed structure, the top in take-up storehouse is provided with handle, inside, take-up storehouse is provided with bobbin winoler, bobbin winoler is wound with connecting line, the stiff end of connecting line is fixed on bobbin winoler, the free end Connection Density meter probe of connecting line, has data line in connecting line, data line connection data processes and displays cabin;
Outside, described take-up storehouse is provided with locating turntable and rocking handle; rocking handle connects inner bobbin winoler; locating turntable coordinates with rocking handle and realizes folding and unfolding connecting line and densitometer and pop one's head in and transfer the location of distance, and connecting line drive densitometer is popped one's head in and goed deep into fluid to be measured or be retracted to probe admission extinguisher.
2. a kind of portable digital densitometer according to claim 1, it is characterized in that, described rocking handle comprises rocking bar and rocking handle handle connected vertically with rocking bar, rocking bar and rocking handle handle junction are provided with keeper, rocking bar one end is rotationally connected and is connected with the circle centre position of locating turntable and with the bobbin winoler of inside; rocking handle handle is suspended in locating turntable circumferentially, and rocking handle rotates around the center of circle of locating turntable;
Described rocking handle handle is provided with locking device, and the circumferentially even of locating turntable is furnished with locking slot, and locking device is connected in locking slot through keeper, rocking handle handle is also provided with the handle controlling locking device.
3. a kind of portable digital densitometer according to claim 1, it is characterized in that, described bobbin winoler is provided with range sensor, range sensor connection data processes and displays cabin, transfers height for what detect the distance of transferring connecting line and densitometer probe.
4. a kind of portable digital densitometer according to claim 1, is characterized in that, described probe admission extinguisher and take-up storehouse connectivity part are provided with the fixed pulley changing connecting line unwinding direction.
5. a kind of portable digital densitometer according to claim 1, it is characterized in that, the upper surface of described data processing display module is provided with control panel, control panel is provided with display screen and controls button, controls that button comprises the power key of gauge tap machine, the backlight key of adjusting screen bias light, interactive dialogue cancel the return key selected, OK key that interactive dialogue confirms, the up/down of carrying out option adjustment preserve data preservation key and delete key under looking into key, measuring state;
Display screen is used for pseudodensity, temperature, standard density, volume-correction coefficient, the probe Bottom Runby of display measurement sample and measures date and time.
6. a kind of portable digital densitometer according to claim 1, it is characterized in that, described densitometer probe comprises platinum resistance, detent, controller and vibrating tube, vibration-transmitting plate is had in shock tube, vibration-transmitting plate leaching is placed in fluid to be measured, vibration-transmitting plate connecting brake, and described controller control brake produces periodic vibration in shock tube, vibration period is T, the density p=K of fluid to be measured 0+ K 1t+K 2t 2, wherein K 0, K 1, K 2for densitometer coefficient;
Described platinum resistance is positioned at vibrating tube and contacts with fluid to be measured, and the temperature of tracer liquid.
7. a kind of portable digital densitometer according to claim 1, is characterized in that, described take-up storehouse and base fixed connection place are provided with static grounding clamp, and static grounding clamp is for discharging the electrostatic of portable digital densitometer self.
8. the densitometric densitometry method of portable digital, is characterized in that, comprises the steps: according to a kind of densitometric densitometry method of portable digital described in claim 1 to 7 any one
(1) start shooting, length presses power key two seconds, and after starting display and densitometer probe, about five seconds receives sensing data, and start completes;
(2) what densitometer was popped one's head in transfers, slowly to hold with a firm grip after start handle, locking device and locking plate are departed from, the shake rocking handle handle of uniform speed slow, densitometer is popped one's head in slowly enter in fluid to be measured, and transfer height by display screen reading, after arriving predetermined altitude, unclamp the tight locking plate of handle locking device card and lock densitometer probe;
(3) reading of data, after densitometer probe transfers to specified altitude assignment, range sensor will record distance signal transmission to data processing display module, show after the vibration period of the temperature value that platinum resistance records by data processing display module and densitometer probe and densitometer coefficient processing, directly data are read from display screen after data stabilization, and press preservation key, under measuring state, preserve data;
(4) repeat step (2) and (3), successively transfer densitometer probe, density and the temperature of fluid to be measured are measured in layering.
(5), after having measured, long power key of pressing closes display screen and densitometer probe, and oppositely slow shake rocking handle handle, regains densitometer probe.
9. the densitometric densitometry method of a kind of portable digital according to claim 8, it is characterized in that, in described step (1), first by static grounding clamp ground connection during start, after start, in the menu setecting interface of display screen, user presses the function that upper and lower key is selected to need, and selected function is inverse display, presses OK key and can enter corresponding function interface, select density measure hurdle, density measure can be carried out to medium; Select data query hurdle, operation is checked to the data stored; Select data transmission hurdle, data upload host computer can be read.
10. the densitometric densitometry method of a kind of portable digital according to claim 8, it is characterized in that, in described step (5), when reclaiming residue about 1 meter when popping one's head in, slow down recovery speed, in order to avoid excessive velocities makes probe and tank mouth or base collide.
CN201510355639.6A 2015-06-25 2015-06-25 Portable digital densimeter and density metering method thereof Pending CN104949898A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106768041A (en) * 2016-12-16 2017-05-31 西安五湖智联半导体有限公司 A kind of hand-held fluid logging

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5687100A (en) * 1996-07-16 1997-11-11 Micro Motion, Inc. Vibrating tube densimeter
CN2325772Y (en) * 1997-04-25 1999-06-23 赵万山 Digital displaying type instrument for investigating density
CN103438957A (en) * 2013-07-17 2013-12-11 河南城建学院 Water-level detecting instrument
CN203479801U (en) * 2013-09-11 2014-03-12 杭州飞科电气有限公司 Device for rapidly measuring water content in crude oil
CN204789221U (en) * 2015-06-25 2015-11-18 青岛澳邦量器有限责任公司 Portable digital densimeter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5687100A (en) * 1996-07-16 1997-11-11 Micro Motion, Inc. Vibrating tube densimeter
CN2325772Y (en) * 1997-04-25 1999-06-23 赵万山 Digital displaying type instrument for investigating density
CN103438957A (en) * 2013-07-17 2013-12-11 河南城建学院 Water-level detecting instrument
CN203479801U (en) * 2013-09-11 2014-03-12 杭州飞科电气有限公司 Device for rapidly measuring water content in crude oil
CN204789221U (en) * 2015-06-25 2015-11-18 青岛澳邦量器有限责任公司 Portable digital densimeter

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
孙淑梅等: "《液压与气压传动》", 31 January 2011, 北京理工大学出版社 *
黄春芳等: "《油气管道仪表与自动化》", 31 August 2009, 中国石化出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106768041A (en) * 2016-12-16 2017-05-31 西安五湖智联半导体有限公司 A kind of hand-held fluid logging

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