CN104655237A - High-efficiency digital liquid level detector and working method thereof - Google Patents
High-efficiency digital liquid level detector and working method thereof Download PDFInfo
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- CN104655237A CN104655237A CN201510063330.XA CN201510063330A CN104655237A CN 104655237 A CN104655237 A CN 104655237A CN 201510063330 A CN201510063330 A CN 201510063330A CN 104655237 A CN104655237 A CN 104655237A
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Abstract
The invention discloses a high-efficiency digital liquid level detector. The high-efficiency digital liquid level detector comprises a shell, an intelligent sensor, a control device and a display, wherein the control device comprises a receiver, a register, an instruction decoder, a processor and a controller; the intelligent sensor and the control device are arranged in the shell. According to the high-efficiency digital liquid level detector and a working method thereof, a liquid level is detected through the intelligent sensor, data is analyzed and operated through the control device, and then a numerical value is displayed on the display through the controller; the entire process is completely automatic and intelligent, the operation is simplified, intuitive display is realized through the display, and meanwhile the safety of detection is also improved. The intelligent sensor is a diffused silicon pressure sensor, which has higher sensitivity and can improve the accuracy for detection of the entire tester; meanwhile, the processor is a PLC (Programmable Logic Controller) programmable processor, and an internal program can be rewritten according to a detected substance, so the processor can adapt to detection of various substances.
Description
Technical field
The present invention relates to a kind of detection field, specifically a kind of high-efficiency digital formula Level meter and method of work thereof.
Background technology
In a lot of industrial processes, usually need the parameter such as height, volume measuring various solid, liquid material, but be instantaneous Dynamic Signal owing to measuring, the accuracy of data, stability, reliability will be subject to the impact of many environmental factors, as the interference of the damping ratio of temperature, oil pressure, oil pipe, frequency converter, the leaking into of oil circuit.Level gauging mainly based on phase interface both sides material poor properties XOR liquid level change time cause the principle of the change of Physics parameter to realize.These physical parameters may be electricity or non electrical quantity as resistance, electric capacity, inductance, differential pressure and the velocity of sound and luminous energy etc., their common feature to reflect that corresponding liquid level changes and is easy to detect.Due to the development of electronic technology, solve temperature variation and stray capacitance interference etc. well and wide prospect is opened for the application that the impact of capacitance type sensor accuracy of measurement is capacitance type sensor.
Level measuring technology has at engineering field to be applied very widely, in general production technology process, usually only needs to measure the surface location of material and store, using as the needs guaranteeing the aspect such as production technology, safety.Secondly, along with the improving constantly of production automation degree, first must carry out control and regulation, to ensure that automated production can control in optimum condition automatically to level gauging data, again just in modern enterprise production process, computing machine is more and more universal for the production of control center, people adopt computer control system to carry out various Comprehensive Control and management to production, so level measuring technology also proposes higher requirement thereupon, control system is also more intelligent, unitized, require that the object measured is wide, the accuracy requirement of measuring is high, reliability will good measurement environment special, practicality is eager to excel, so this brings very large difficulty to measurement, especially liquid level has the kinetic measurement of fluctuating or having bubble or liquid level to change in time, thus the production technology of fluid level measuring instrument needs constantly to improve.
Summary of the invention
Goal of the invention: the object of the invention is to solve the deficiencies in the prior art, provides a kind of high-efficiency digital formula Level meter and method of work thereof.
Technical scheme: in order to realize above object, a kind of high-efficiency digital formula Level meter of the present invention, comprise: housing, intelligent inductor, control device and display, wherein, described control device comprises: receiver, register, command decoder, processor and controller, described intelligent inductor and control device are located in housing, the two ends of described control device are connected with intelligent inductor and display respectively, the input end of described receiver is connected with the output terminal of intelligent inductor and the input end of register respectively with output terminal, described command decoder two ends are connected with register and processor respectively, described processor output terminal is connected with the input end of controller, the output terminal of described controller is connected with display.High-efficiency digital formula Level meter of the present invention, it detects the change of liquid timely by intelligent sensor, then relevant liquid level data is sent to the receiver of controller inside, receiver sends register to the data received again, and then by command decoder, data are carried out the conversion of simulating signal and digital signal, last controller controls display and shows, and then fast and effectively level sensing out, its process is simple, easy to operate, and the sensitivity of intelligent sensor is higher in the process used, and then ensure that the accuracy that whole Level meter detects.
Housing of the present invention adopts closed housing, and which is provided with window, described intelligent inductor is located in this window, allows intelligent inductor is both in-plant with liquid to be contacted, and plays a protective role again to himself.
The surface of housing of the present invention is provided with anti-rotten protective seam, can effectively prevent fluid to be measured from corroding fluid level measuring instrument, too increases the serviceable life of fluid level measuring instrument while improving security.
Intelligent inductor of the present invention adopts diffusion silicon pressure sensor, and its sensitivity is higher, better can measure the numerical value of liquid level, ensures its accuracy detected.
Processor of the present invention adopts PLC to compile processor, allows it can change data in processor according to the needs detected, and then allows it be applicable to the detection of many kinds of substance.
The specific works method of high-efficiency digital formula Level meter of the present invention is as follows:
(A), first by digital Level meter be installed in the required device detected, when device works;
(B), when liquid fluctuation in device, intelligent-induction device will experience fluctuation trickle in liquid, detects the related data in wave process at once, exists side by side to deliver in control device receiver by data in;
(C), now receiver is transferred to data in register and stores data;
(D), then register the liquid level data stored is sent to command decoder, now command decoder carries out between simulating signal and digital signal to the liquid level data received conversion;
(E), then, the digital signal after conversion is delivered to processor by command decoder, and now processor according to the formula set, will calculate liquid level data;
(F), after pending device calculates level value, numerical value will be sent to controller;
(H), this Time Controller can control display and be shown by the numerical value measured by it, and staff carries out reading to data and notes down.
Described a kind of high-efficiency digital formula Level meter and method of work thereof, described formula is as follows:
y（x） =a0+a1x+a2x2+...+anx2
Beneficial effect: a kind of high-efficiency digital formula Level meter of the present invention and method of work thereof, have the following advantages:
1, a kind of high-efficiency digital formula Level meter of the present invention, first by intelligent inductor, liquid level is detected, then data are sent to control device, by control device to data analysis and computing, liquid level data is converted to digital quantity from analog quantity, then numerical value display is carried out by controller by display, its whole process realizes robotization, intellectuality completely, simplify operation, shown intuitively by display, facilitate employee to digital independent, also improve the security of detection simultaneously.
2, intelligent inductor of the present invention adopts diffusion silicon pressure sensor, and its sensitivity is higher, can improve the accuracy that whole tester detects; Meanwhile, processor in this high-efficiency digital formula Level meter adopts PLC to compile processor, can adapt inner program according to the material detected, and allows it be applicable to many kinds of substance and detects, thus reduces enterprise and drop into the cost of detector.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is electrically connected schematic diagram in the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
Embodiment
A kind of high-efficiency digital formula Level meter as shown in the figure, comprise: housing 1, intelligent inductor 2, control device 3 and display 4, wherein, described control device 3 comprises: receiver 31, register 32, command decoder 33, processor 34 and controller 35, described housing 1 adopts closed housing, which is provided with window, and described intelligent inductor 2 is located in this window, described intelligent inductor 2 adopts diffusion silicon pressure sensor
Described control device 3 is located in housing 1, the two ends of described control device 3 are connected with intelligent inductor 2 and display 4 respectively, the input end of described receiver 31 is connected with the output terminal of intelligent inductor 2 and the input end of register 32 respectively with output terminal, described command decoder 33 two ends are connected with the output terminal of register 32 and processor 34 input end respectively, described processor 33 adopts PLC to compile processor, described processor 34 output terminal is connected with the input end of controller 35, and the output terminal of described controller 34 is connected with display 4.
The surface of housing 1 described in the present embodiment is provided with anti-rotten protective seam.
A kind of high-efficiency digital formula Level meter and method of work thereof, the specific works method of described high-efficiency digital formula Level meter is as follows:
(A), first by digital Level meter be installed in the required device detected, when device works;
(B), when liquid fluctuation in device, intelligent-induction device 2 will experience fluctuation trickle in liquid, detects the related data in wave process at once, exists side by side to deliver in control device 3 receiver 31 by data in;
(C), now receiver 31 is transferred to data in register 32 and stores data;
(D), then register 32 liquid level data stored is sent to command decoder 33, now command decoder 33 carries out between simulating signal and digital signal to the liquid level data received conversion;
(E), then, the digital signal after conversion is delivered to processor 34 by command decoder 33, and now processor (34) according to the formula set, will calculate liquid level data;
(F), after pending device 34 calculates level value, numerical value will be sent to controller 35;
(H), this Time Controller 35 can control display 4 allows it be shown by numerical value measured, and staff carries out reading to data and notes down.
Described a kind of high-efficiency digital formula Level meter and method of work thereof, described formula is as follows:
y（x） =a0+a1x+a2x2+...+anx2。
Claims (7)
1. a high-efficiency digital formula Level meter, it is characterized in that: comprising: housing (1), intelligent inductor (2), control device (3) and display (4), wherein, described control device (3) comprising: receiver (31), register (32), command decoder (33), processor (34) and controller (35), described intelligent inductor (2) and control device (3) are located in housing (1), the two ends of described control device (3) are connected with intelligent inductor (2) and display (4) respectively, the input end of described receiver (31) is connected with the output terminal of intelligent inductor (2) and the input end of register (32) respectively with output terminal, described command decoder (33) two ends are connected with register (32) and processor (34) respectively, described processor (34) output terminal is connected with the input end of controller (35), the output terminal of described controller (34) is connected with display (4).
2. a kind of high-efficiency digital formula Level meter according to claim 1, is characterized in that: described housing (1) adopts closed housing, and which is provided with window, described intelligent inductor (2) is located in this window.
3. a kind of high-efficiency digital formula Level meter according to claim 1 and 2, is characterized in that: the surface of described housing (1) is provided with anti-rotten protective seam.
4. a kind of high-efficiency digital formula Level meter according to claim 1, is characterized in that: described intelligent inductor (2) adopts diffusion silicon pressure sensor.
5. a kind of high-efficiency digital formula Level meter according to claim 1, is characterized in that: described processor (33) adopts PLC to compile processor.
6. high-efficiency digital formula Level meter and a method of work thereof, is characterized in that: the specific works method of described high-efficiency digital formula Level meter is as follows:
(A), first by digital Level meter be installed in the required device detected, when device works;
(B), when liquid fluctuation in device, intelligent-induction device (2) will experience fluctuation trickle in liquid, detects the related data in wave process at once, exists side by side to deliver in control device (3) receiver (31) by data in;
(C), now receiver (31) is transferred to data in register (32) and stores data;
(D), then register (32) liquid level data stored is sent to command decoder (33), now command decoder (33) carries out between simulating signal and digital signal to the liquid level data received conversion;
(E), then, the digital signal after conversion is delivered to processor (34) by command decoder (33), and now processor (34) according to the formula set, will calculate liquid level data;
(F), after pending device (34) calculates level value, numerical value will be sent to controller (35);
(H), this Time Controller (35) can control display (4) allows it be shown by numerical value measured, and staff carries out reading to data and notes down.
7. a kind of high-efficiency digital formula Level meter according to claim 6 and method of work thereof, is characterized in that: described formula is as follows:
y（x） =a0+a1x+a2x2+...+anx2。
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| CN201510063330.XA CN104655237A (en) | 2015-02-06 | 2015-02-06 | High-efficiency digital liquid level detector and working method thereof |
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| CN201510063330.XA CN104655237A (en) | 2015-02-06 | 2015-02-06 | High-efficiency digital liquid level detector and working method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991018266A1 (en) * | 1990-05-17 | 1991-11-28 | A.G. (Patents) Limited | Fluid pressure operated volume measurement with level calibration means |
| CN2166422Y (en) * | 1993-09-01 | 1994-05-25 | 中国石化兰州炼油化工总厂 | Multi-way measuring apparatus for liquid level |
| CN1156245A (en) * | 1996-09-01 | 1997-08-06 | 太原工业大学 | Programmable water level measuring and controlling instrument |
| CN202442748U (en) * | 2012-02-23 | 2012-09-19 | 邓柳 | Visual long-distance water level data acquisition terminal |
| CN204495427U (en) * | 2015-02-06 | 2015-07-22 | 苏州天键衡电子信息科技有限公司 | A kind of digital Level meter |
-
2015
- 2015-02-06 CN CN201510063330.XA patent/CN104655237A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991018266A1 (en) * | 1990-05-17 | 1991-11-28 | A.G. (Patents) Limited | Fluid pressure operated volume measurement with level calibration means |
| CN2166422Y (en) * | 1993-09-01 | 1994-05-25 | 中国石化兰州炼油化工总厂 | Multi-way measuring apparatus for liquid level |
| CN1156245A (en) * | 1996-09-01 | 1997-08-06 | 太原工业大学 | Programmable water level measuring and controlling instrument |
| CN202442748U (en) * | 2012-02-23 | 2012-09-19 | 邓柳 | Visual long-distance water level data acquisition terminal |
| CN204495427U (en) * | 2015-02-06 | 2015-07-22 | 苏州天键衡电子信息科技有限公司 | A kind of digital Level meter |
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Application publication date: 20150527 |