CN203455032U - Mining electromagnetic flow sensor - Google Patents
Mining electromagnetic flow sensor Download PDFInfo
- Publication number
- CN203455032U CN203455032U CN201320594150.0U CN201320594150U CN203455032U CN 203455032 U CN203455032 U CN 203455032U CN 201320594150 U CN201320594150 U CN 201320594150U CN 203455032 U CN203455032 U CN 203455032U
- Authority
- CN
- China
- Prior art keywords
- processor
- signal
- circuit
- connects
- input end
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a mining electromagnetic flow sensor, and relates to mining sensing equipment. The mining electromagnetic flow sensor comprises a power supply module, an excitation module, a signal detecting circuit, a first processor and a second processor, wherein the first processor is in bidirectional connection with the second processor; a first signal output end of the second processor is connected with a signal input end of the excitation module; a signal output end of the signal detecting circuit is connected with a first input end of the signal processing circuit; an output end of the signal processing circuit is connected with a first input end of a V/F (Voltage-to-Frequency) converter circuit; the output end of the V/F converter circuit is connected with the first signal input end of the first processor; a second signal output end of the second processor is connected with a second input end of the signal processing circuit; a third signal output end of the second processor is connected with the second input end of the V/F converter circuit. The mining electromagnetic flow sensor disclosed by the utility model improves accuracy and reliability for controlling time series; meanwhile, compared with common single chip processing, operating rate is further improved, and detecting precision becomes better.
Description
Technical field
The utility model relates to a kind of mining sensing equipment, particularly relates to a kind of mining electromagnetic flow transducer.
Background technology
Mining electromagnetic flow transducer is a kind of instrument of measuring conductive liquid of making according to Faraday's electromagnetic induction law.Mining electromagnetic flow transducer principle is simple, more to the research compare Zao， manufacturing enterprise of mining electromagnetic flow transducer both at home and abroad.Existing mining electromagnetic flow transducer generally adopts monokaryon to control, and can cause following problem like this: the one, and processing speed is slow; The 2nd, can not meet complicated sequential control; The 3rd, data-handling capacity a little less than; The 4th, it is effective poor to cause; These shortcomings can cause that sensor accuracy is low, poor reliability etc. is difficult to the problem of ignoring; The 5th, antijamming capability is poor, and causing compared with use under complex environment, measurement is inaccurate, even cannot normally measure.
Utility model content
Because the above-mentioned defect of prior art, the sequential control that technical problem to be solved in the utility model is to provide a kind of satisfied complexity can improve the mining electromagnetic flow transducer of processing speed simultaneously.
For achieving the above object, the utility model provides a kind of mining electromagnetic flow transducer, comprise power module, excitation module, signal deteching circuit, first processor and the second processor, described power module provides the power supply of essential safe type for whole sensing controler, first processor and described two-way connection of the second processor, the first signal output terminal of described the second processor connects the signal input part of described excitation module, the signal output part of described signal deteching circuit connects the first input end of signal processing circuit, the output terminal of described signal processing circuit connects the first signal input end of V/F change-over circuit, the signal output part of described V/F change-over circuit connects the first signal input end of described first processor, the secondary signal output terminal of described the second processor connects the second input end of described signal processing circuit, the 3rd signal output part of described the second processor connects the secondary signal input end of described V/F change-over circuit.
During use, between first processor and the second processor, carry out data interaction, the second processor sends excitation and drives signal to excitation module, excitation module produces excitation waveform excitation field, when fluid cutting magnetic field, can on the electrode of signal deteching circuit, produce induced potential, signal deteching circuit sends to V/F change-over circuit after the signal detecting is processed by signal processing circuit, convert thereof into pulse duration frequency signal, then send to first processor.The utility model adopts two processors, the V/F change-over circuit that first processor acquisition testing arrives, the second processor difference transmitted signal processing synchronous sequence signal and V/F conversion and control clock signal are to signal processing circuit and V/F change-over circuit, adopt above technical scheme, accuracy and the reliability of controlling sequential have been improved, compare common single-chip simultaneously and process, arithmetic speed of the present utility model is further promoted, and it is better that accuracy of detection becomes.
Further, described first processor is also connected with crystal oscillating circuit, and the signal output part of described crystal oscillating circuit connects the secondary signal input end of described first processor, and this crystal oscillating circuit is used for providing work dominant frequency signal to processor.
Further, for the ease of showing the data that detect, described first processor is also connected with display module, and the first signal output terminal of described first processor connects the signal input part of described display module.
Further, described first processor is also connected with reset circuit, and the output terminal of described reset circuit connects the 3rd signal input part of described first processor.
Further, in order to store the data that detect, described first processor is also connected with memory module, and described memory module is connected with described first processor is two-way.
Further, in order to carry out data interaction with host computer, to realize the online detection of mining Electromagnetic Flow, described first processor is also connected with signal transmitting device, the second output terminal of described first processor connects the signal input part of described signal transmitting device, and the signal output part of described signal transmitting device connects host computer; Described first processor passes through signal transmitting device output detection signal to host computer.
Preferably, described signal processing circuit is comprised of current rectifying and wave filtering circuit and signal amplification circuit, the signal output part of described signal deteching circuit connects the input end of described current rectifying and wave filtering circuit, the output terminal of described current rectifying and wave filtering circuit connects the input end of described signal amplification circuit, and the signal output part of described signal amplification circuit connects the first signal input end of described V/F change-over circuit.A little less than the electric potential signal producing on electrode, therefore adopt above technical scheme that signal is carried out rectifying and wave-filtering and amplified, eliminate and disturb, can further improve the precision of Data Detection.
Preferably, described the second processor is CPLD, it can need and constitutive logic function voluntarily according to difference, has flexible in programming, integrated level is high, the cycle of designing and developing is short, the scope of application is wide, developing instrument is advanced, design and manufacture cost is low, to deviser's hardware experience, require low, standardized product without advantages such as test, strong security, price are popular.
Preferably, the first power output end of described power module connects the power input of described first processor, the second source output terminal of described power module connects the power input of the second processor, and the DC-DC power isolation module of passing through of power module is powered to described signal processing circuit and excitation module.Power module of the present utility model, meets Exib I Mb requirement of explosion proof, can be used for the inferior explosive place of coal mine; Power module adopts DC-DC power isolation module to isolate simultaneously, has improved the antijamming capability of sensing system.
Preferably, measuring tube line structure adopts the copolymer material of tetrafluoroethene and perfluoroalkyl vinethene as inner lining material, and it has very high erosion-resisting ability.Adopt special Design of Mechanical Structure simultaneously, the electromagnetic flow transducer controller of design can be worked under 20Mpa pipeline pressure.
The beneficial effects of the utility model are: the utility model has improved accuracy and the reliability of controlling sequential, compare common single-chip simultaneously and process, and arithmetic speed of the present utility model is further promoted, and it is better that accuracy of detection becomes; The utility model has improved the withstand voltage and resistance to corrosion of electromagnetic flow transducer controller, and meets intrinsic safe explosion-proof requirement, applicable to various industry spot, especially under the coal mine of rugged surroundings.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, a kind of mining electromagnetic flow transducer, comprises excitation module 1, signal deteching circuit 2, first processor 3, the second processor 4, described signal processing circuit 5, V/F change-over circuit 6, crystal oscillating circuit 7, display module 8, reset circuit 9, memory module 10, signal transmitting device 11, host computer 12 and power module 15, first processor 3 is with described second processor 4 is two-way is connected, the first signal output terminal of described the second processor 4 connects the signal input part of described excitation module 1, the signal output part of described signal deteching circuit 2 connects the first input end of signal processing circuit 5, the output terminal of described signal processing circuit 5 connects the first signal input end of V/F change-over circuit 6, the signal output part of described V/F change-over circuit 6 connects the first signal input end of described first processor 3, the secondary signal output terminal of described the second processor 4 connects the second input end of described signal processing circuit 5, the 3rd signal output part of described the second processor 4 connects the secondary signal input end of described V/F change-over circuit 6.The signal output part of described crystal oscillating circuit 7 connects the secondary signal input end of described first processor 3.The first signal output terminal of described first processor 3 connects the signal input part of described display module 8.The output terminal of described reset circuit 9 connects the 3rd signal input part of described first processor 3.Described memory module 10 and described two-way connection of first processor 3.The second output terminal of described first processor 3 connects the signal input part of described signal transmitting device 11, and the signal output part of described signal transmitting device 11 connects host computer 12; Described first processor 3 passes through signal transmitting device 11 output detection signals to host computer 12, the first power output end of described power module 15 connects the power input of described first processor 3, the second source output terminal of described power module 15 connects the power input of the second processor 4, and the DC-DC power isolation module 16 of passing through of power module 15 is powered to described signal processing circuit 5 and excitation module 1.
In the present embodiment, described signal processing circuit 5 is comprised of current rectifying and wave filtering circuit 13 and signal amplification circuit 14, the signal output part of described signal deteching circuit 2 connects the input end of described current rectifying and wave filtering circuit 13, the output terminal of described current rectifying and wave filtering circuit 13 connects the input end of described signal amplification circuit 14, the signal output part of described signal amplification circuit 14 connects the first signal input end of described V/F change-over circuit 6, described power module 15 connects respectively described current rectifying and wave filtering circuit 13 and signal amplification circuit 14 by DC-DC power isolation module 16, with to its power supply.Described the second processor 4 is CPLD, and described first processor 3 adopts ARM7 family chip to realize, and display module is realized by LCDs, and excitation module consists of field coil, yoke, pole shoe, and it is prior art, does not repeat them here.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without creative work.Therefore, all technician in the art comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in the determined protection domain by claims.
Claims (9)
1. a mining electromagnetic flow transducer, comprises excitation module (1), signal deteching circuit (2), first processor (3) and power module (15), it is characterized in that: also comprise the second processor (4), described first processor (3) and two-way connection of described the second processor (4), the first signal output terminal of described the second processor (4) connects the signal input part of described excitation module (1), the signal output part of described signal deteching circuit (2) connects the first input end of signal processing circuit (5), the output terminal of described signal processing circuit (5) connects the first signal input end of V/F change-over circuit (6), the signal output part of described V/F change-over circuit (6) connects the first signal input end of described first processor (3), the secondary signal output terminal of described the second processor (4) connects the second input end of described signal processing circuit (5), the 3rd signal output part of described the second processor (4) connects the secondary signal input end of described V/F change-over circuit (6).
2. mining electromagnetic flow transducer as claimed in claim 1, is characterized in that: described first processor (3) is also connected with crystal oscillating circuit (7), and the signal output part of described crystal oscillating circuit (7) connects the secondary signal input end of described first processor (3).
3. mining electromagnetic flow transducer as claimed in claim 1 or 2, it is characterized in that: described first processor (3) is also connected with display module (8), the first signal output terminal of described first processor (3) connects the signal input part of described display module (8).
4. mining electromagnetic flow transducer as claimed in claim 3, is characterized in that: described first processor (3) is also connected with reset circuit (9), and the output terminal of described reset circuit (9) connects the 3rd signal input part of described first processor (3).
5. mining electromagnetic flow transducer as claimed in claim 4, is characterized in that: described first processor (3) is also connected with memory module (10), described memory module (10) and two-way connection of described first processor (3).
6. mining electromagnetic flow transducer as claimed in claim 5, it is characterized in that: described first processor (3) is also connected with signal transmitting device (11), the second output terminal of described first processor (3) connects the signal input part of described signal transmitting device (11), and the signal output part of described signal transmitting device (11) connects host computer (12); Described first processor (3) passes through signal transmitting device (11) output detection signal to host computer (12).
7. mining electromagnetic flow transducer as claimed in claim 1, it is characterized in that: described signal processing circuit (5) is comprised of current rectifying and wave filtering circuit (13) and signal amplification circuit (14), the signal output part of described signal deteching circuit (2) connects the input end of described current rectifying and wave filtering circuit (13), the output terminal of described current rectifying and wave filtering circuit (13) connects the input end of described signal amplification circuit (14), and the signal output part of described signal amplification circuit (14) connects the first signal input end of described V/F change-over circuit (6).
8. mining electromagnetic flow transducer as claimed in claim 1, is characterized in that: described the second processor (4) is CPLD.
9. mining electromagnetic flow transducer as claimed in claim 1, it is characterized in that: the first power output end of described power module (15) connects the power input of described first processor (3), the second source output terminal of described power module (15) connects the power input of the second processor (4), and the DC-DC power isolation module (16) of passing through of power module (15) is powered to described signal processing circuit (5) and excitation module (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320594150.0U CN203455032U (en) | 2013-09-25 | 2013-09-25 | Mining electromagnetic flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320594150.0U CN203455032U (en) | 2013-09-25 | 2013-09-25 | Mining electromagnetic flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203455032U true CN203455032U (en) | 2014-02-26 |
Family
ID=50134899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320594150.0U Expired - Lifetime CN203455032U (en) | 2013-09-25 | 2013-09-25 | Mining electromagnetic flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203455032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107145096A (en) * | 2017-03-24 | 2017-09-08 | 江苏舒茨测控设备股份有限公司 | Dual processor sensor signal processing module |
-
2013
- 2013-09-25 CN CN201320594150.0U patent/CN203455032U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107145096A (en) * | 2017-03-24 | 2017-09-08 | 江苏舒茨测控设备股份有限公司 | Dual processor sensor signal processing module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102116246B (en) | Device, system and method for monitoring efficiency of hydro-electric generating set | |
| CN104330120A (en) | Flow rate detection method for low-energy-consumption ultrasonic flow rate meter and system | |
| CN103697802A (en) | Magnetostriction displacement sensor based on single chip solution | |
| CN202794558U (en) | Mining intrinsic safety type transient electromagnetic instrument | |
| CN104914296A (en) | Multifunctional clamp meter | |
| CN203455032U (en) | Mining electromagnetic flow sensor | |
| CN202904034U (en) | Reinforcement bar position detector | |
| CN202886468U (en) | Wideband electronic frequency meter | |
| CN205027687U (en) | Integration TDS water quality testing probe | |
| CN204731200U (en) | Digital supersonic flaw detector | |
| CN204758690U (en) | Multipurpose plier table that appears | |
| CN204165597U (en) | For the echoed signal modulate circuit of flow quantity detecting system | |
| CN105425684B (en) | A kind of collecting method and device controlled based on FPGA | |
| CN105444829A (en) | Ultrasonic flow measurer | |
| CN202387589U (en) | Centrifuge velometer based on programmable logic controller | |
| CN104198015A (en) | Two-wire system externally-pasted-type liquid level meter | |
| CN203642971U (en) | Supersonic wave flow sensor for mining | |
| CN205156843U (en) | Displacement sensor test system based on labVIEW | |
| CN204241539U (en) | A kind of electricity isolation module circuit | |
| CN204359385U (en) | Magneto strictive sensor drives the low-power consumption module with signals collecting | |
| CN204064401U (en) | A kind of two-wire system external labeling type liquid level gauge | |
| CN203405445U (en) | Miniature ultrasonic bubble detector control circuit | |
| CN110749273A (en) | Quartz wafer thickness detector | |
| CN203396958U (en) | Nuclear radiation detector | |
| CN203116859U (en) | Novel wireless temperature-sensitive mine inspection measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
|
| CX01 | Expiry of patent term |