CN105628106A - Measurement device - Google Patents
Measurement device Download PDFInfo
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- CN105628106A CN105628106A CN201610222158.2A CN201610222158A CN105628106A CN 105628106 A CN105628106 A CN 105628106A CN 201610222158 A CN201610222158 A CN 201610222158A CN 105628106 A CN105628106 A CN 105628106A
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- float
- sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Level Indicators Using A Float (AREA)
Abstract
The embodiment of the invention provides a measurement device, belonging to the technical field of measurement. The measurement device comprises a signal sensor, a signal processor, a central controller and a display, wherein the signal sensor comprises a fluid density sensor, a liquid level sensor and a temperature sensor; the signal processor and the display are connected with the central controller respectively; the fluid density sensor, the liquid level sensor and the temperature sensor are connected with the signal processor respectively; the signal sensor is used for acquiring the density, liquid level and temperature information of fluid in a container in real time; the signal processor is used for generating a sensing signal and sending the signal to the central controller; and the central controller is used for sending a control signal to the display for displaying the density, liquid level and temperature information in real time. The measurement device can measure the density, liquid level and temperature information of the fluid in real time, and the measurement density is greatly improved.
Description
Technical field
The present invention relates to field of measuring technique, specifically, it relates to a kind of measuring apparatus.
Background technology
Various liquid or liquid form mixt can be carried out On-line sampling system at linear density, liquid level and thermometric instruments, obtain its density value, level value and temperature value respectively, be therefore widely used in the industries such as petrochemical industry, food, papermaking, Sweet natural gas and bio-pharmaceuticals. But in the implementation process of prior art, at least face following problem: discontinuity measurement can only be carried out by manual intervention mode, and manual type can only lean on visual density value to be measured, level value and the temperature value of obtaining so that measuring accuracy is lower.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of measuring apparatus, it is intended to the density of measurement fluid, liquid level and temperature information in real time, and substantially increases the precision that it is measured.
A kind of measuring apparatus that the embodiment of the present invention provides, comprise signal inductor, signal processing device, central controller and indicating meter, described signal inductor comprises fluid density sensor, liquid level sensor and temperature sensor, described signal processing device and described indicating meter are connected to described central controller, and described fluid density sensor, described liquid level sensor and described temperature sensor are connected to described signal processing device.
Wherein, described signal inductor is used for gathering in real time the density of fluid in described container, liquid level and temperature information, and by described density, liquid level and temperature information are sent to described signal processing device, described signal processing device is used for the described density received, liquid level and temperature information generate sensing signal send to described central controller after carrying out signal conversion, described central controller is for calculating the described sensing signal received, and send control signal according to calculation result to described indicating meter, so that described indicating meter is to described density, liquid level and temperature information show in real time.
Preferably, described fluid density sensor comprises magnetic part, the first float and the 2nd float, the top of described first float and described 2nd float is taper, described first float is connected with the 2nd crane span structure by the first crane span structure with described 2nd float, described magnetic part is located on described first crane span structure, wherein, described first crane span structure is connected to described first float and the top of described 2nd float, described 2nd crane span structure is connected to described first float and the bottom of described 2nd float, and described magnetic part is connected to described signal inductor.
Preferably, described first crane span structure and described 2nd crane span structure are provided with through hole, and described through hole is provided with described magnetic part, wherein, being provided with sealed structure outside described magnetic part, described through hole and described magnetic part are for leading to the floating of described first float and described 2nd float.
Preferably, described first float is manufactured by polyphenyl thioether material with described 2nd float.
Preferably, described liquid level sensor is magnetostrictive displacement sensor, is provided with waveguide filament in described magnetostrictive displacement sensor, and described waveguide filament is sent to described signal processing device for the liquid level information gathered by described magnetostrictive displacement sensor.
Preferably, the analog to digital conversion circuit that described signal processing device comprises filtering circuit and is connected with described filtering circuit, described filtering circuit is connected to described fluid density sensor, described liquid level sensor and described temperature sensor, and analog-digital conversion circuit as described is connected to described central controller.
Preferably, described indicating meter comprises display driver circuit and display screen, described display driver circuit is connected to described central processing unit, and described display screen is connected to described display driver circuit, and described display screen is for showing described density, liquid level and temperature information.
Preferably, described device and described container realize removably connecting with form of flanges.
Preferably, described fluid density sensor, liquid level sensor and temperature sensor being arranged with housing, described housing is manufactured by metallic substance.
Preferably, the outside surface of described housing establishes grooved hole, and described groove hole is uniformly distributed on the housing.
A kind of measuring apparatus that the embodiment of the present invention provides, it is integrated with fluid density sensor, liquid level sensor and temperature sensor, after signal processing device converts, it is sent to central controller by density information, liquid level information and temperature information fluid density sensor, liquid level sensor and temperature sensor gathered respectively, so that central controller drives indicating meter density information, liquid level information and temperature information to be shown in real time, the density of fluid, liquid level and temperature information can be measured in real time, and substantially increase the precision that it is measured.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, it is briefly described to the accompanying drawing used required in embodiment below, it is to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore should not be viewed as the restriction to scope, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
The structure block diagram of a kind of measuring apparatus that Fig. 1 provides for the embodiment of the present invention.
Reference numeral gathers:
Central controller 101; Signal inductor 102; Signal processing device 103; Indicating meter 104; Fluid density sensor 201; Liquid level sensor 202; Temperature sensor 203; Filtering circuit 301; Analog to digital conversion circuit 302; Display driver circuit 401; Display screen 402.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments. Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that: similar label and letter accompanying drawing below represents similar item, therefore, once a certain Xiang Yi accompanying drawing is defined, then do not need it carries out definition further and explains in accompanying drawing subsequently. Meanwhile, in describing the invention, term " first ", " the 2nd " etc. are only for distinguishing description, and can not be interpreted as instruction or hint relative importance.
A kind of measuring apparatus that the embodiment of the present invention provides, is applied to the container for holding fluid, and described measuring apparatus can measure the density value of fluid in described container, level value and temperature value in real time.
As shown in Figure 1, described measuring apparatus can comprise signal inductor 102, signal processing device 103, central controller 101 and indicating meter 104. Described signal processing device 103 and described indicating meter 104 are connected to described central controller 101. Wherein, described signal inductor 102 can comprise fluid density sensor 201, liquid level sensor 202 and temperature sensor 203, and described fluid density sensor 201, described liquid level sensor 202 and described temperature sensor 203 are connected to described signal processing device 103.
Described signal inductor 102 is for gathering the characteristic information of fluid in described container in real time, and described characteristic information can comprise the information such as density, liquid level and temperature. Wherein, described fluid density sensor 201 is for gathering the density information of fluid in described container, and described liquid level sensor 202 is for gathering the liquid level information of fluid in described container and described temperature sensor 203 for gathering the temperature information of fluid in described container. And described signal inductor 102 is for being sent to described signal processing device 103 by the described density, liquid level and the temperature information that collect.
Wherein, described signal processing device 103 is for carrying out Signal Pretreatment and conversion to the described density, liquid level and the temperature information that receive, and generates the sensing signal corresponding with described central controller 101. Described signal processing device 103 is also for being sent to described central controller 101 by described sensing signal.
Described central controller 101 is for receiving described sensing signal, and the described sensing signal received is calculated control signal. Described central processing unit also for being sent to described indicating meter 104 by described control signal so that the described density, liquid level and the temperature information that collect are shown by described indicating meter 104 in real time. In an embodiment of the present invention, described central controller 101 can be a kind of integrated circuit (IC) chip, there is the processing power of signal, it is also possible to be digital signal processor (DSP), application specific integrated circuit (ASIC), ready-made programmable gate array (FPGA) or other programmable logic device parts, discrete gate or transistor logical device, discrete hardware components.
In the embodiment of the present invention, it provides wherein a kind of the optional of described fluid density sensor 201 realizes structure, described fluid density sensor 201 can comprise magnetic part, the first float and the 2nd float. The tip designs of described first float and described 2nd float is taper structure, so arranges, and can effectively prevent the phenomenon that the impurity in use described fluid is piled up at described first float and described 2nd float top. And described first float is manufactured by high-strength material with described 2nd float, and described first float and described 2nd float are circle or the ellipsoid body of even thickness, described first float and described 2nd float is made to have the characteristic of wear-resisting, corrosion-resistant and low adhesion like this. Wherein, described first float is connected with the 2nd crane span structure by the first crane span structure with described 2nd float, and is provided with described magnetic part on described first crane span structure. Described first crane span structure is connected to described first float and the top of described 2nd float, and described first crane span structure is for being firmly connected the top of described first float and the top of described 2nd float. Described 2nd crane span structure is connected to described first float and the bottom of described 2nd float, and described 2nd crane span structure is for being firmly connected the bottom of described first float and the bottom of described 2nd float. And described magnetic part is connected to described signal processing device 103, described magnetic part is used for the density information of collection is sent to described signal processing device 103. Described density information obtains according to Archimedes' principle.
Further, described first crane span structure and described 2nd crane span structure are provided with through hole, and described through hole is located at described first crane span structure and the centre of described 2nd crane span structure. Being provided with described magnetic part on the through hole being located at described first crane span structure, and described magnetic part is the induction element manufactured by Rb-Fe-B material, the outside of described induction element is provided with sealed structure. Described magnetic part is embedded into the centre of described first crane span structure, so arranges and can the floating of described first float and described 2nd float be led, to provide stable density information to described signal processing device 103.
Further, described first float is manufactured by polyphenyl thioether material with described 2nd float. Wherein, described polyphenyl thioether material is a kind of novel high-performance thermoplastic resin, has the advantages such as physical strength height, high temperature resistant, chemical proofing, difficult combustion, Heat stability is good and electrical property be excellent.
Further, described liquid level sensor 202 can comprise magnetostrictive displacement sensor, and is provided with waveguide filament in described magnetostrictive displacement sensor. Described waveguide filament is sent to described signal processing device 103 for the liquid level information gathered by described magnetostrictive displacement sensor. Wherein, the concrete principle of work of described magnetostrictive displacement sensor is as follows: utilize magnetostriction principle, intersects a generation strain-pulse signal by two different magnetic fields and comes accurately measuring position. Measuring sensor is a waveguide, and the sensor in waveguide is made up of special magnetostriction materials. Measuring process is generation current pulse in the electronic room by sensor, this impulse of current is transmitted in waveguide, thus outside waveguide, produce a circumferential magnetic field, when this magnetic field and the magnetic field that is enclosed within waveguide to produce as the movable magnet ring of change in location are crossing, due to the effect of magnetostriction, producing a strain mechanical wave pulse signal in waveguide, this strain mechanical wave pulse signal transmits with fixing speed of sound, and very soon detected by electronic room. Owing to this strain mechanical wave pulse signal transmission time in waveguide and the distance between movable magnet ring and electronic room are directly proportional, pass through Measuring Time, so that it may highly precisely to determine this distance. Owing to output signal is a real absolute value, instead of ratio or the signal of amplification process, so there is not signal drift or the situation of change value, more without the need to regularly heavily marking.
Further, described signal processing device 103 can comprise filtering circuit 301 and analog to digital conversion circuit 302, and described filtering circuit 301 is connected with analog-digital conversion circuit as described 302. Described fluid density sensor 201, described liquid level sensor 202 and described temperature sensor 203 are connected to described filtering circuit 301, and analog-digital conversion circuit as described 302 is connected to described central controller 101. Wherein, the temperature signal that density signal, the liquid level signal of described liquid level sensor 202 collection and the described temperature sensor 203 that described fluid density sensor 201 gathers gathers is sent to described filtering circuit 301 respectively. Described filtering circuit 301 for the described density signal received, described liquid level signal and described temperature signal are carried out filtering, to eliminate the impact of clutter and undesired signal. Owing to the density signal after after filtering, liquid level signal and temperature signal are simulating signal, described central controller 101 can not simulating signal described in Direct Recognition. Therefore being connected with analog-digital conversion circuit as described 302 between described filtering circuit 301 and described central controller 101, the input terminus of analog-digital conversion circuit as described 302 is connected to the output terminal of described filtering circuit 301, the output terminal of analog-digital conversion circuit as described 302 is connected to described central controller 101. Analog-digital conversion circuit as described 302 is for carrying out analog to digital conversion by the described density signal after after filtering, described liquid level signal and described temperature signal, and the signal after analog to digital conversion is sent to described central controller 101.
Further, described indicating meter 104 comprises display driver circuit 401 and display screen 402. And described display driver circuit 401 is connected between described central controller 101 and described display screen 402. The control signal that described display driver circuit 401 is sent by described central controller 101 for receiving, and drive described display screen 402 described density, liquid level and temperature information to be shown according to described control signal.
Wherein, described device and described container for removably connecting, described in the mode that removably connects can comprise form of flanges. It is fixed with the first ring flange on such devices, described container is fixed with the 2nd ring flange, it is provided with flange packing between described first ring flange and described 2nd ring flange, together with described first ring flange is fastened by bolts with described 2nd ring flange, thus completing described device and the connection of described container, such mode of connection makes installation process simple and convenient.
Further, described fluid density sensor 201, liquid level sensor 202 and temperature sensor 203 are integrated in one, and it is arranged with housing. Described housing is become by the metallic substance manufacture of anti-corrosion and high strength, is subject to extraneous pressure and the phenomenon that is damaged to avoid described fluid density sensor 201, liquid level sensor 202 and temperature sensor 203.
Further, the outside surface of described housing establishes grooved hole, and described groove hole can be through hole. And described groove hole is uniformly distributed on the housing. So arrange, it is possible to the flowing of suppression fluid and concussion, can effectively ensure that described fluid density sensor 201, liquid level sensor 202 and temperature sensor 203 respond to stability and the reliability of signal simultaneously.
A kind of measuring apparatus that the embodiment of the present invention provides, after signal processing device converts, it is sent to central controller by density information, liquid level information and temperature information fluid density sensor, liquid level sensor and temperature sensor gathered respectively, so that central controller drives indicating meter density information, liquid level information and temperature information to be shown in real time, the density of fluid, liquid level and temperature information can be measured in real time, and substantially increase the precision that it is measured.
It should be noted that, in the embodiment that the application provides, it should be appreciated that, disclosed device, it is possible to realize by another way. Device embodiment described above is only schematic, and such as, the division of described unit, is only a kind of logic function and divides, and actual can have other dividing mode when realizing.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or can also be distributed on multiple NE. Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to is that the independent physics of each unit exists, it is also possible to two or more unit are in a unit integrated.
If described function realize using the form of software functional unit and as independent production marketing or when using, it is possible to be stored in a computer read/write memory medium. Based on such understanding, the technical scheme of the present invention in essence or says that the part of part or this technical scheme prior art contributed can embody with the form of software product, this computer software product is stored in a storage media, comprise some instructions with so that a computer equipment (can be Personal Computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention. And aforesaid storage media comprises: USB flash disk, portable hard drive, read-only storage (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
It should be noted that, herein, the such as relational terms of first and second grades and so on is only used for separating an entity or operation with another entity or operational zone, and not necessarily requires or imply to there is any this kind of actual relation or sequentially between these entities or operation. And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, so that comprise the article of a series of key element or equipment not only comprises those key elements, but also comprises other key elements clearly do not listed. When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within the article or equipment comprising described key element and also there is other identical element.
The above; it is only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any it is familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention. Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (10)
1. a measuring apparatus, it is applied to the container for holding fluid, it is characterized in that, described measuring apparatus comprises signal inductor, signal processing device, central controller and indicating meter, described signal inductor comprises fluid density sensor, liquid level sensor and temperature sensor, described signal processing device and described indicating meter are connected to described central controller, and described fluid density sensor, described liquid level sensor and described temperature sensor are connected to described signal processing device;
Wherein, described signal inductor is used for gathering in real time the density of fluid in described container, liquid level and temperature information, and by described density, liquid level and temperature information are sent to described signal processing device, described signal processing device is used for the described density received, liquid level and temperature information generate sensing signal send to described central controller after carrying out signal conversion, described central controller is for calculating the described sensing signal received, and send control signal according to calculation result to described indicating meter, so that described indicating meter is to described density, liquid level and temperature information show in real time.
2. measuring apparatus according to claim 1, it is characterized in that, described fluid density sensor comprises magnetic part, first float and the 2nd float, the top of described first float and described 2nd float is taper, described first float is connected with the 2nd crane span structure by the first crane span structure with described 2nd float, described magnetic part is located on described first crane span structure, wherein, described first crane span structure is connected to described first float and the top of described 2nd float, described 2nd crane span structure is connected to described first float and the bottom of described 2nd float, described magnetic part is connected to described signal processing device.
3. measuring apparatus according to claim 2, it is characterized in that, described first crane span structure and described 2nd crane span structure are provided with through hole, described through hole is provided with described magnetic part, wherein, being provided with sealed structure outside described magnetic part, described through hole and described magnetic part are for leading to the floating of described first float and described 2nd float.
4. measuring apparatus according to claim 2, it is characterised in that, described first float is manufactured by polyphenyl thioether material with described 2nd float.
5. measuring apparatus according to claim 1, it is characterized in that, described liquid level sensor is magnetostrictive displacement sensor, being provided with waveguide filament in described magnetostrictive displacement sensor, described waveguide filament is sent to described signal processing device for the liquid level information gathered by described magnetostrictive displacement sensor.
6. measuring apparatus according to claim 1, it is characterized in that, the analog to digital conversion circuit that described signal processing device comprises filtering circuit and is connected with described filtering circuit, described filtering circuit is connected to described fluid density sensor, described liquid level sensor and described temperature sensor, and analog-digital conversion circuit as described is connected to described central controller.
7. measuring apparatus according to claim 1, it is characterized in that, described indicating meter comprises display driver circuit and display screen, described display driver circuit is connected to described central processing unit, described display screen is connected to described display driver circuit, and described display screen is for showing described density, liquid level and temperature information.
8. measuring apparatus according to claim 1, it is characterised in that, described device and described container realize removably connecting with form of flanges.
9. measuring apparatus according to claim 1, it is characterised in that, described fluid density sensor, liquid level sensor and temperature sensor are arranged with housing, described housing is manufactured by metallic substance.
10. measuring apparatus according to claim 9, it is characterised in that, the outside surface of described housing establishes grooved hole, and described groove hole is uniformly distributed on the housing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610222158.2A CN105628106B (en) | 2016-04-11 | 2016-04-11 | Integrated density liquid level temperature measuring equipment |
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| CN201610222158.2A CN105628106B (en) | 2016-04-11 | 2016-04-11 | Integrated density liquid level temperature measuring equipment |
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| CN105628106B CN105628106B (en) | 2018-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110693358A (en) * | 2019-10-19 | 2020-01-17 | 徐州恺尔电子设备有限公司第一分公司 | Electronic stirring rod for beverage |
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