CN109489774A - A kind of magnetic double level gauge Fast simulation display alternative - Google Patents
A kind of magnetic double level gauge Fast simulation display alternative Download PDFInfo
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- CN109489774A CN109489774A CN201811344357.6A CN201811344357A CN109489774A CN 109489774 A CN109489774 A CN 109489774A CN 201811344357 A CN201811344357 A CN 201811344357A CN 109489774 A CN109489774 A CN 109489774A
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- 238000004088 simulation Methods 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 75
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 230000005389 magnetism Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 36
- 238000012360 testing method Methods 0.000 claims description 27
- 229910001220 stainless steel Inorganic materials 0.000 claims description 17
- 239000010935 stainless steel Substances 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 14
- 238000012937 correction Methods 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 230000003447 ipsilateral effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 7
- 238000003860 storage Methods 0.000 abstract description 4
- 238000012549 training Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 11
- 102100040862 Dual specificity protein kinase CLK1 Human genes 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 101000749294 Homo sapiens Dual specificity protein kinase CLK1 Proteins 0.000 description 3
- 101100156949 Arabidopsis thaliana XRN4 gene Proteins 0.000 description 2
- 101100489713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND1 gene Proteins 0.000 description 2
- 101100215777 Schizosaccharomyces pombe (strain 972 / ATCC 24843) ain1 gene Proteins 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 210000000232 gallbladder Anatomy 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
- G01F23/72—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
A kind of magnetic double level gauge Fast simulation display alternative, it is suitable for petroleum, to storage tank during emulation training in chemical field internal procedure field, the simulative display of the equipment liquid level such as reactor tank, the data-signal of wireless module real-time reception magnetic double level gauge simulative display, after one-chip computer module is handled, control the rotation forward or backwards of motor driving plate driving direct current generator and speed reducer assembly, one-chip computer module detects the potentiometric change in resistance of multi-turn being mounted on direct current generator and speed reducer assembly motor shaft simultaneously, control direct current generator and speed reducer assembly rotate in place forward or backwards, traction component is driven to loosen or tighten, drawing magnetism is moved up or down along guide post, magnet drives the red white magnetic column on the turning plate indicator of magnetic double level gauge to overturn 180o by magnetic coupling, when magnet moves up, red white magnetic Turned column becomes red by white, and when magnet moves down, red white magnetic column becomes white, simulative display liquid level by red.
Description
Technical field
The present invention relates to magnetic double level gauges, particularly relate to a kind of magnetic double level gauge Fast simulation display replacement dress
It sets.
Background technique
With the continuous improvement of the process industrials such as petroleum, chemical industry production technology level, many new technologies, new process layer go out not
Thoroughly, there is higher requirement to operative skill, the emergency capability of producers, administrative staff.
Magnetic double level gauge is widely used in the processes work such as petroleum, chemical industry as a kind of common level sensing instrument
The liquid location display of the equipment such as storage tank, reactor tank in industry.
In actual training, by carrying out simulation modeling to the process industrials process such as petroleum, chemical industry, use air as
The simulation material of the process industrials such as petroleum, chemical industry carries out practical training to producers, administrative staff.In order to trueer
Real manufacturing schedule, the process for simulating each workshop section, need the detection to detection instrument each during the process industrials such as petroleum, chemical industry,
Show value carries out real-time simulative display, with the actual operating state of simulation production line.
In order to reflect the actual working condition of the equipment such as storage tank, reactor tank, the calculating according to process simulation model is needed
Data, shown in the magnetic double level gauge on analog simulation production line current process flows liquid level variation, this just need by
The numerical value conversion that simulation calculates is the simulative display value of instrument.
Summary of the invention
In order to solve the above technical problems, this hair gallbladder provides a kind of magnetic double level gauge Fast simulation display alternative, fit
Be suitable for petroleum, in chemical field internal procedure field during emulation training to the simulative display of the equipment liquid level such as storage tank, reactor tank.
To realize the above-mentioned technical purpose, used technical solution is: a kind of magnetic double level gauge Fast simulation, which is shown, to be replaced
Changing device, including being equipped with the magnetic double level gauge body tube of central lumen and turning over for magnetic double level gauge ontology pipe surface being arranged in
One end of plate indicator, magnetic double level gauge body tube is equipped with the flange with installing port, is disposed in turning plate indicator
Multiple red white magnetic columns, further include casing and control module;
Out of, the flange with installing port is mounted on magnetic double level gauge body tube lumen, sheath assembly includes the casing
Upper mounting plate, lower installation board, guide post, magnet mounting plate, magnet and linear bearing, upper mounting plate and lower installation board are fixed at
The both ends of guide post, lower installation board are equipped with the mounting hole to match with flange, linear bearing are equipped on guide post, in linear axis
It holds and is fixedly installed magnet mounting plate, magnet is fixed on magnet mounting plate and corresponding red white magnetic column setting;
The control module is made of drive module and processor module;
The drive module includes direct current generator and speed reducer assembly, multi-turn potentiometer and traction component composition, direct current generator
Be provided with multi-turn potentiometer on the output motor axis of speed reducer assembly, the output motor axis of direct current generator and speed reducer assembly is logical
It crosses traction component to connect with magnet mounting plate, the magnet with moving magnet mounting plate is moved up and down along guide post;
The processor module include one-chip computer module, motor driving plate, wireless module, power module, LCD display module and
Clock module, power module respectively to one-chip computer module, motor driving plate, wireless module, multi-turn potentiometer and when pin module supply
Electricity, be connected separately on one-chip computer module wireless module, multi-turn potentiometer, LCD display module plug connector B, when pin module
The power output end of motor driving plate, motor driving plate is connect with the power input of direct current generator and speed reducer assembly;
The data-signal of wireless module real-time reception magnetic double level gauge simulative display, after one-chip computer module is handled, control electricity
Machine driving plate generates corresponding driving signal, drives the rotation forward or backwards of direct current generator and speed reducer assembly, single-chip microcontroller mould
Block detects the potentiometric change in resistance of multi-turn being mounted on direct current generator and speed reducer assembly motor shaft simultaneously, controls direct current
Machine and speed reducer assembly rotate in place forward or backwards;Direct current generator and speed reducer assembly rotate forward or backwards, drive and fix
Traction component on direct current generator and speed reducer assembly output motor axis loosens or tightens, the magnet on drawing magnetism mounting plate
It is moved up or down along guide post, magnet drives the red white magnetic column on the turning plate indicator of magnetic double level gauge by magnetic coupling
180o is overturn, when magnet moves up, red white magnetic column becomes red by white, and when magnet moves down, red white magnetic is turned over
Column becomes white, simulative display liquid level by red.
Traction component of the present invention includes guide pipe A, guide pipe B, guide pipe C, traction rope A and traction rope B;
Two guide pipe A are fixedly mounted on and the symmetrical two sides of guide post, one end outlet of two guide pipe A through lower installation board respectively
It is arranged respectively with the output motor axis horizontal symmetrical of direct current generator and speed reducer assembly, the other end outlet of two guide pipe A is equal
It is arranged towards magnet mounting plate;
Two guide pipe B through upper mounting plate be fixedly mounted on the symmetrical two sides of guide post, the both ends of two guide pipe B are towards magnetic
The setting of iron mounting plate, one end of guide pipe B are less than distance of the other end away from guide post away from the distance of guide post, and closer two away from guide post
Guide pipe B bring out mouth respectively correspond guide pipe A bring out mouth setting;
Two guide pipe C are fixedly mounted on through lower installation board and export difference with the symmetrical two sides of guide post, one end of two guide pipe C
Be arranged with the output motor axis horizontal symmetrical of direct current generator and speed reducer assembly, the other end outlet of two guide pipe C respectively with
The mouth that brings out away from the farther away two guide pipe B of guide post is correspondingly arranged,;
After the central point reverse-winding of traction rope A is fixed on the output motor axis of direct current generator and speed reducer assembly, traction rope A
Both ends be each passed through ipsilateral guide pipe A and be strained and fixed on the magnet mounting plate of respective side upwards;
The center point forward of traction rope B is fastened in direct current generator and speed reducer assembly 12] output motor axis on after, traction
The both ends of rope B are each passed through ipsilateral guide pipe C, guide pipe B is strained and fixed downwards on the magnet mounting plate of respective side.
Casing of the present invention further includes stainless steel support tube, and stainless steel support tube is one diametrically longitudinal sectional except half
Stainless steel cylinder, the length and diameter of the length and diameter and magnetic double level gauge body tube of stainless steel support tube matches;
Upper mounting plate and lower installation board are respectively welded at stainless steel support tube upper and lower ends, and keep upper mounting plate, lower installation board mutual
In parallel.
Drive module of the present invention further include for detect magnet upwards, the upper limit magnetic that moves down extreme position opens
It closes and lower limit magnetic switch, is separately positioned on up and down the two of guide post by the upper limit magnetic switch and lower limit magnetic switch of power module power supply
End, the signal output end of upper limit magnetic switch and the signal output end of lower limit magnetic switch are connect with the input terminal of single-chip microcontroller.
Drive module of the present invention further includes button module, and button module is connected by connector A and one-chip computer module
Connect, the zero point turret terminal ZERO of the socket of connector A, testing button end TEST, reset button end Reset respectively with single-chip microcontroller mould
The port the I/O port PC2, I/O PC3 of block, reset terminal Reset connection;The zero point turret terminal ZERO of the plug of connector A, test
Turret terminal TEST, reset button end Reset respectively with the zero point turret terminal ZERO of button module, testing button end TEST, reset
Turret terminal Reset connection.
Magnetic turning plate liquid level analogue output unit when first used, after long-time use simulation show existing large error
When, it needs to carry out zero correction to magnetic turning plate liquid level analogue output unit, specifically includes the following steps:
Step 1.1, button module, LCD display module are passed through into connector A respectively, connector B be connected to magnetic turning plate liquid level simulation
On output device;
Step 1.2, the reset button Reset for pressing button module, magnetic turning plate liquid level analogue output unit return to zero initial
Change, magnet returns factory zero point, while the mobile position data of real-time display magnet in LCD display module;
Step 1.3, the zero point button for pressing button module, magnetic turning plate liquid level analogue output unit executes zero point adjustment programme, single
Piece machine module control magnet is quickly moved upwards up to upper limit control point, then fast moves downwards, when pressing zero point button again,
Magnet enters deceleration mobile process, when reaching the zero point of magnetic double level gauge ontology, presses zero point button, single-chip microcontroller for the third time
Module records current positional value, and the record value is replaced original zero point value;
Step 1.4, the testing button for pressing button module, magnetic turning plate liquid level analogue output unit executes test program, from zero point
Liquid level changes to highest liquid level point, then changes to zero point liquid level from highest liquid level point again;
If step 1.5, output have deviation, return step 1.2 carries out the zero point school of magnetic turning plate liquid level analogue output unit again
Just;If pressing zero point button the 4th time without deviation, magnetic turning plate liquid level analogue output unit zero correction terminates.
Magnetic turning plate liquid level analogue output unit executes following steps under automatic running pattern:
After step 2.1, magnetic turning plate liquid level analogue output unit power on, system is initialized;
Step 2.2, wireless module receive liquid level simulative display value;
After step 2.3, wireless module receive liquid level simulative display value, liquid level simulative display value is transferred to one-chip computer module;
Step 2.4, one-chip computer module carry out data processing, control the forward and reverse rotation of direct current generator and speed reducer assembly, simultaneously
The potentiometric output voltage of multi-turn is detected, the error amount between setting liquid level simulative display value and actual displayed value is calculated;
Step 2.5, when setting liquid level simulative display value and actual displayed value between error amount be not zero, return step (4);When setting
Determine the error amount between liquid level simulative display value and actual displayed value and be less than or equal to zero, direct current generator and speed reducer assembly stop turning
It moves, then return step step 2.2.
The beneficial effects of the present invention are:
1, the present apparatus is not under the premise of changing the shape and display mode of magnetic double level gauge, by true magnetic turning plate liquid level
Simulative display alternative is installed on meter, simulates the variation of actual liquid level to the full extent;
2, the present apparatus increases wireless communication function, can simplify the installation work amount of virtual production equipment;
3, the present apparatus increases dismountable LCD display module, button module module, can simulative display value to liquid level carry out
It adjusts, while keeping the consistency with true magnetic double level gauge in shape as much as possible.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of magnetic double level gauge body tube of the invention;
Fig. 2 is the perspective structure schematic diagram of casing and control module of the invention;
Fig. 3 is the right side structural representation of casing and control module of the invention;
Fig. 4 is the schematic cross-sectional view of the B-B direction of Fig. 2;
Fig. 5 is the structural schematic diagram of casing of the invention;
Fig. 6 is the right side structural representation of casing of the invention;
Fig. 7 is the circuit diagram of processor module of the invention;
Fig. 8 is the control flow chart of automatic running pattern of the invention;
Fig. 9 is the control flow chart of zero correction module of the invention;
In figure: 1, casing, 2, control module, 3, stainless steel support tube, 4, upper mounting plate, 5, lower installation board, 6, guide post, 7, magnet
Mounting plate, 8, magnet, 9, magnetic double level gauge, 10, magnetic double level gauge body tube, 11, drive module, 12, direct current generator and
Speed reducer assembly, 13, multi-turn potentiometer, 14, traction rope B, 15, traction rope A, 16, guide pipe C, 17, guide pipe B, 18, guiding
Pipe A, 19, upper limit magnetic switch, 20, lower limit magnetic switch, 21, motor protecting cover, 22, processor module, 23, one-chip computer module, 24,
Motor driving plate, 25, wireless module, 26, button module, 27, power module, 28, LCD display module, 29, clock module, 30,
Red white magnetic column, 31, turning plate indicator, 32, bolt hole, 33, flange, 34, traction component, 35, upper detection plate, 36, lower detection
Plate, 37, bracket, 38, traction mounting hole, 39, traction mounting hole, 40, mounting hole, 41, mounting hole, 42, ring flange, 43, patch
Part A, 44, connector B, 45, linear bearing.
Specific embodiment
As shown in Figure 1, a kind of magnetic double level gauge Fast simulation shows alternative, the magnetic including being equipped with central lumen is turned over
Plate liquidometer body tube 10, is arranged in magnetic turning plate liquid the turning plate indicator 31 that 10 surface of magnetic double level gauge body tube is arranged in
Casing 1 and control module 2 in the meter body tube of position, one end of magnetic double level gauge body tube 10 is equipped with the flange with installing port
33, magnetic double level gauge body tube 10 is hollow tubular structure, and for installing the casing 1 to match, what alternative used is turned over
Plate liquidometer body tube 10 can be used for originally the body tube that liquid is passed through for commercially available magnetic double level gauge, in 31 row of turning plate indicator
Column are provided with multiple red white magnetic columns 30, and turning plate indicator 31 is arranged by the axis direction of magnetic double level gauge body tube 10, is pressed
Bearing axis direction of magnetic double level gauge body tube 10 etc., which is separated by, is arranged multiple red white magnetic columns.
As shown in Figure 2 and Figure 3, casing 1 is by stainless steel support tube 3, upper mounting plate 4, lower installation board 5, smooth guide post 6, magnet
Mounting plate 7, magnet 8, linear bearing 45 form;Casing 1 can be quickly installed in magnetic double level gauge body tube 10, upper installation
Plate 4 and lower installation board 5 are fixed at the both ends of guide post 6, and lower installation board 5 is equipped with the mounting hole to match with flange 33, under
Mounting plate 5 matches fixed installation with flange 33, and linear bearing 45 is mounted on smooth guide post 6 in casing 1, magnet mounting plate 7
Be fixed on linear bearing 45, by the magnet 8 in control casing 1 on magnet mounting plate 7 on smooth guide post 6 on move down
It is dynamic, it simulates when tested container liquid level changes, float is upper and lower in the flap level gauge body tube 10 of magnetic double level gauge 9
It floats.
Wherein, as shown in Figure 5, Figure 6, stainless steel support tube 3 is a diametrically longitudinal sectional stainless steel cylinder except half, no
The length and diameter of the length and diameter and the body tube 10 of magnetic double level gauge 9 of rust bracing members cylinder 3 matches;Upper mounting plate 4,
Lower installation board 5 is respectively welded at 3 upper and lower ends of stainless steel support tube, and upper mounting plate 4, lower installation board 5 is kept to be parallel to each other.
Six bolts hole 32 on lower installation board 5 are corresponding with six bolts hole of the flange 33 of magnetic double level gauge 9, with
Stainless steel support tube 3 is facilitated to be quickly installed in magnetic double level gauge 9.
Smooth guide post 6 is vertically mounted on upper mounting plate 4, lower peace by upper mounting plate 4, the center of circle mounting hole of lower installation board 5
Between loading board 5.
Linear bearing 45 is mounted on smooth guide post 6, and magnet mounting plate 7 is fixed on linear bearing 45, to reduce magnet
Frictional force when mounting plate 7 slides above and below along smooth guide post 6.
Magnet 8 is securedly mounted on magnet mounting plate 7 by screw, and magnet 8 can be with magnet mounting plate 7 in stainless steel branch
Support cylinder 3 in smooth guide post 6 on upwards, move down, simulate when tested container liquid level changes, magnetic double level gauge 9
Body tube 10 in float float up and down.
Upper detection plate 35 and lower detection plate 36 can be increased, upper detection plate 35, lower detection plate 36 are separately mounted to magnet peace
In the upper and lower both direction of loading board 7, to touch upper limit magnetic switch and lower limit magnetic switch above guide post with lower section installation, with
The extreme position that detection magnet 8 is upward, moves down.
Control module 2 is made of drive module 11, processor module 22, and wherein drive module 11 is by direct current generator and deceleration
Device assembly 12, multi-turn potentiometer 13 and traction component 34 form;It is set on the output motor axis of direct current generator and speed reducer assembly 12
It is equipped with multi-turn potentiometer 13, the output motor axis of direct current generator and speed reducer assembly 12 passes through traction component 34 and magnet mounting plate
7 connections, move up and down with the magnet on moving magnet mounting plate 7 along guide post 6.
Processor module 22 is shown by one-chip computer module 23, motor driving plate 24, wireless module 25, power module 27, LCD
Module 28, clock module 29 form;Power module 27 is respectively to one-chip computer module 23, motor driving plate 24, wireless module 25, more
Potentiometer 13 and clock module 29 is enclosed to power, be connected separately on one-chip computer module 23 wireless module 25, multi-turn potentiometer 13,
The motor driving plate 24 of the connector B 44 of LCD display module 28, clock module 29, the power output end of motor driving plate 24 with
Direct current generator is connected with the power input of speed reducer assembly 12.
As shown in fig. 7, the data of the 25 real-time reception magnetic double level gauge simulative display of wireless module of processor module 22
Signal, after the processing of one-chip computer module 23, control motor driving plate 24 generates corresponding driving signal, drives direct current generator and subtracts
The rotation forward or backwards of fast device assembly 12, one-chip computer module 23 detects simultaneously is mounted on 12 electricity of direct current generator and speed reducer assembly
The change in resistance of multi-turn potentiometer 13 on arbor, controls direct current generator and speed reducer assembly 12 rotate in place forward or backwards;
Direct current generator and speed reducer assembly 12 rotate forward or backwards, and drive is fixed on 12 output motor of direct current generator and speed reducer assembly
Traction component 34 on axis loosens or tightens, and the magnet 8 on drawing magnetism mounting plate 7 is moved up or down along guide post 6, magnet
8 drive the red white magnetic column 30 on turning plate indicator 31 to overturn 180o, when magnet 8 moves up, red white magnetic by magnetic coupling
Turned column 30 becomes red by white, and when magnet 8 moves down, red white magnetic column 30 becomes white, simulative display liquid by red
Position.
Traction component includes guide pipe A 18, guide pipe B 17, guide pipe C 16, traction rope A 15 and traction rope B 14;
Two guide pipe A 18 respectively through lower installation board 5 be fixedly mounted on the symmetrical two sides of guide post 6, two guide pipe A's 18
One end outlet is arranged with the output motor axis horizontal symmetrical of direct current generator and speed reducer assembly 12 respectively, two guide pipe A's 18
Other end outlet is arranged towards magnet mounting plate 7;
Two guide pipe B 17 are fixedly mounted on and the symmetrical two sides of guide post 6, the both ends of two guide pipe B 17 through upper mounting plate 4
It is arranged towards magnet mounting plate 7, one end of guide pipe B 17 is less than distance of the other end away from guide post away from the distance of guide post 6, away from
6 closer two guide pipe B 17 of guide post bring out mouth respectively correspond guide pipe A 18 bring out mouth setting;
Two guide pipe C 16 are fixedly mounted on and the symmetrical two sides of guide post 6, one end of two guide pipe C 16 through lower installation board 5
Outlet is arranged with the output motor axis horizontal symmetrical of direct current generator and speed reducer assembly 12 respectively, and two guide pipe C's 16 is another
Mouth is brought out to be correspondingly arranged with the mouth that brings out away from 6 farther away two guide pipe B 17 of guide post respectively,;
After the central point reverse-winding of traction rope A 15 is fixed on the output motor axis of direct current generator and speed reducer assembly 12, lead
The both ends of messenger A15 are each passed through ipsilateral guide pipe A 18 and are strained and fixed on the magnet mounting plate 7 of respective side upwards;
After the center point forward of traction rope B 14 is fastened on the output motor axis of direct current generator and speed reducer assembly [12],
The both ends of traction rope B 14 are each passed through ipsilateral guide pipe C 16, guide pipe B 17 and are strained and fixed in the magnet of respective side downwards
On mounting plate 7.The symmetrical traction mounting hole 38,39 for being used for fixed tractive A and traction rope B can be opened up on magnet mounting plate 7,
One end outlet that is closer of one end outlet and guide pipe B of the corresponding guide pipe A of traction mounting hole 38,39 apart from guide post is set
It sets.
The principle of entire traction component 34 is that a traction rope is loosened by direct current generator and speed reducer assembly, and another
Root traction rope is tightened by direct current generator and retarder, to realize that band moving magnet mounting plate moves up and down.
Drive module 11 further include for detect magnet 8 upwards, move down extreme position upper limit magnetic switch 19 and under
Magnetic switch 20 is limited, the upper limit magnetic switch 19 and lower limit magnetic switch 20 powered by power module 27 are separately positioned on the upper and lower of guide post 6
Both ends, the signal output end of upper limit magnetic switch 19 and the signal output end of lower limit magnetic switch 20 connect with the input terminal of single-chip microcontroller
It connects.Upper limit magnetic switch 19, lower limit magnetic switch 20 are respectively and fixedly installed to the upper end installation point and lower end installation point of smooth guide 6,
Upper end installation point and lower end installation point are highest and extreme lower position.
To protect entire control module, the electric motor protecting that can be assembled with lower installation board can be set on lower installation board
Cover, motor protecting cover is interior to be equipped with processor module 22 and drive module 11, and processor module 22 may be provided at motor protecting cover 21
Bottom, direct current generator and speed reducer assembly 12 be mounted in motor protecting cover 21, and is mounted on lower peace by mounting bracket 37
In loading board 5, there are mounting hole 40, mounting hole 41, ring flange 42, the spiral shell of 21 upper flange plate 42 of motor protecting cover on motor protecting cover 21
Keyhole is corresponding with the bolt hole 32 on lower installation board 5, and connects together with the blowdown flange 33 of magnetic double level gauge body tube 10
It connects;Processor module 22 is mounted on the bottom of motor protecting cover 21.
Drive module 11 further includes button module 26, and button module 26 is connected by connector A 43 and one-chip computer module 23
Connect, the zero point turret terminal ZERO of the socket of connector A 43, testing button end TEST, reset button end Reset respectively with monolithic
The port the I/O port PC2, I/O PC3 of machine module 23, reset terminal Reset connection;The zero point turret terminal of the plug of connector A 43
ZERO, testing button end TEST, reset button end Reset respectively with zero point turret terminal ZERO, the testing button of button module 26
TEST, the Reset connection of reset button end are held, this kind patches form using replacement and installation.It is entire to handle when button-free module
Device module automatic running, when installing button module, it can be achieved that zero correction function.
The voltage input end VCC of one-chip computer module 23, wireless module 25 voltage input end VCC respectively with power module 27
Voltage output end VCC connection;The ground terminal GND of one-chip computer module 23, wireless module 25 ground terminal GND respectively with power supply mould
The ground terminal GND connection of block 27.
Voltage input end+the 12V of motor driving plate 24 is connect with the voltage output end+12V of power module 27;Motor drives
The ground terminal GND1 of movable plate 24 is connect with the ground terminal GND1 of power module 27.
Power input VCC, the ground terminal GND of multi-turn potentiometer 13 respectively with the voltage output end VCC of power module 27,
Ground terminal GND connection, the signal end AIN1 of multi-turn potentiometer 13 are connect with the signal input part AIN1 of one-chip computer module 23.
The output terminal of clock CLK of clock module 29 is connect with the input end of clock CLK of one-chip computer module 23;Wireless module 25
Data input pin SIN, clock end SCLK, data output end SOUT, chip select terminal CS respectively with the port I/O of one-chip computer module 23
PB0, PB1, PB2, PB3 connection.
The socket of connector A 43, the socket of connector B 44 be separately mounted to mounting hole 40 on motor protecting cover 21,
On mounting hole 41.
The zero point turret terminal ZERO of the socket of connector A 43, testing button end TEST, reset button end Reset respectively with
The port the I/O port PC2, I/O PC3 of one-chip computer module 23, reset terminal Reset connection.
The zero point turret terminal ZERO of the plug of connector A 43, testing button end TEST, reset button end Reset respectively with
The zero point turret terminal ZERO of button module 26, testing button end TEST, the Reset connection of reset button end.
Power end VCC, the ground terminal GND of the socket of connector B 44 respectively with the power end VCC of power module 27, ground connection
Hold GND connection;The chip select terminal CS1 of the socket of connector B 44, data terminal DATA, clock end CLK1 respectively with one-chip computer module 23
The port I/O PB4, PB5, PB6 connection, the serial/parallel selection end PSB and power module 27 of the socket of connector B 44 connect
Ground terminal GND connection.
Power end VCC, ground terminal GND, chip select terminal CS1, the data terminal DATA, clock end of the plug of connector B 44
Power end VCC, ground terminal GND, the chip select terminal CS1, data of CLK1, serial/parallel selection end PSB difference LCD display module 28
INOUT, clock end CLK1, serial/parallel is held to select end PSB connection.
One-chip computer module 23 by connector A 43, the plug of connector B 44, socket interconnection respectively with button
Module 26, LCD display module 28 connect.
Control power output end A1, A2 of motor driving plate 24 are defeated with the power supply of direct current generator and speed reducer assembly 12 respectively
Enter and holds A1, A2 connection;Control signal the control signal A+, A- of motor driving plate 24 respectively with the end I/O of one-chip computer module 23
PA0, PA1 connection;The direction control signal DIR of motor driving plate 24 is connect with the port the I/O PA2 of one-chip computer module 23, motor
The control signal ground end of driving plate 24 is connect with the ground terminal GND of power module 27.
The power end VCC power supply with power module 27 respectively of the power end VCC of upper limit magnetic switch 19, lower limit magnetic switch 20
Hold VCC connection;The ground terminal GND of upper limit magnetic switch 19, lower limit magnetic switch 20 ground terminal GND connect respectively with power module 27
Ground terminal GND connection;The signal output end S1 of upper limit magnetic switch 19, lower limit magnetic switch 20 signal output S2 respectively with single-chip microcontroller mould
The end I/O PA4, PA5 of block 23 are connected;When upper detection plate 35 and upper limit magnetic switch 19 on magnet mounting plate 7 are close, upper limit magnetic is opened
Close 19 output high level;When lower detection plate 36 and close lower limit magnetic switch 20, lower limit magnetic switch 20 exports high level, to realize
Limit position control to magnet 8.
The magnetic double level gauge Fast simulation show alternative control process the following steps are included:
As shown in figure 9, content one, magnetic turning plate liquid level analogue output unit when first used, for a long time use rear simulative display
When there is large error, need to carry out zero correction to magnetic turning plate liquid level analogue output unit:
Button module 26, LCD display module 28 are connected to magnetic and are turned over by step 1.1 by connector A 43, connector B 44 respectively
On plate liquid level analogue output unit;
Step 1.2, the reset button Reset for pressing button module 26, magnetic turning plate liquid level analogue output unit return to zero initial
Change, magnet 8 returns factory zero point, while the mobile position data of real-time display magnet 8 in LCD display module 28;
Step 1.3, the zero point button for pressing button module 26, magnetic turning plate liquid level analogue output unit execute zero point adjustment programme,
One-chip computer module 23 controls magnet 8 and is quickly moved upwards up to upper limit control point, then fast moves downwards, when pressing zero point again
Button, magnet 8 enter deceleration mobile process, when reaching the zero point of magnetic double level gauge body tube, press for the third time zero point by
Button, one-chip computer module 23 records current positional value, and the record value is replaced original zero point value;
Step 1.4, the testing button for pressing button module 26, magnetic turning plate liquid level analogue output unit executes test program, from zero
Point liquid level changes to highest liquid level point, then changes to zero point liquid level from highest liquid level point again;
If step 1.5, output have deviation, return step 1.2 carries out the zero point school of magnetic turning plate liquid level analogue output unit again
Just;If pressing zero point button the 4th time without deviation, magnetic turning plate liquid level analogue output unit zero correction terminates.
Content two, as shown in figure 8, magnetic turning plate liquid level analogue output unit under automatic running pattern, executes following steps:
After step 2.1, magnetic turning plate liquid level analogue output unit power on, system is initialized;
Step 2.2, wireless module receive liquid level simulative display value;
After step 2.3, wireless module receive liquid level simulative display value, liquid level simulative display value is transferred to one-chip computer module;
Step 2.4, one-chip computer module carry out data processing, control the forward and reverse rotation of direct current generator and speed reducer assembly, simultaneously
The potentiometric output voltage of multi-turn is detected, the error amount between setting liquid level simulative display value and actual displayed value is calculated;
Step 2.5, when setting liquid level simulative display value and actual displayed value between error amount be not zero, return step 4;Work as setting
Error amount between liquid level simulative display value and actual displayed value is less than or equal to zero, and direct current generator and speed reducer assembly stop operating,
Then return step step 2.2.
Claims (7)
1. a kind of magnetic double level gauge Fast simulation shows alternative, the magnetic double level gauge ontology including being equipped with central lumen
Manage the turning plate indicator (31) of (10) and setting on magnetic double level gauge body tube (10) surface, magnetic double level gauge body tube
(10) one end is equipped with the flange (33) with installing port, is disposed with multiple red white magnetic columns in turning plate indicator (31)
(30), it is characterised in that: further include casing (1) and control module (2);
The casing (1) is mounted in the lumen of magnetic double level gauge body tube (10) from the flange (33) with installing port,
Casing (1) includes upper mounting plate (4), lower installation board (5), guide post (6), magnet mounting plate (7), magnet (8) and linear bearing
(45), upper mounting plate (4) and lower installation board (5) are fixed at the both ends of guide post (6), and lower installation board (5) is equipped with and flange
(33) mounting hole to match is equipped with linear bearing (45) on guide post (6), is fixedly installed magnetic on linear bearing (45)
Iron mounting plate (7), magnet (8) is fixed on magnet mounting plate (7) and corresponding red white magnetic column (30) setting;
The control module (2) is made of drive module (11) and processor module (22);
The drive module (11) includes direct current generator and speed reducer assembly (12), multi-turn potentiometer (13) and traction component
(34) it forms, is provided with multi-turn potentiometer (13), direct current generator on the output motor axis of direct current generator and speed reducer assembly (12)
It is connect by traction component (34) with magnet mounting plate (7) with the output motor axis of speed reducer assembly (12), band moving magnet is installed
Magnet on plate (7) is moved up and down along guide post (6);
The processor module (22) includes one-chip computer module (23), motor driving plate (24), wireless module (25), power supply mould
Block (27), LCD display module (28) and clock module (29), power module (27) drive to one-chip computer module (23), motor respectively
Movable plate (24), wireless module (25), multi-turn potentiometer (13) and clock module (29) power supply, one-chip computer module connect respectively on (23)
Be connected to wireless module (25), multi-turn potentiometer (13), LCD display module (28) connector B(44), the electricity of clock module (29)
Machine driving plate (24), the power output end of motor driving plate (24) and the power input of direct current generator and speed reducer assembly (12)
Connection;
The data-signal of wireless module (25) real-time reception magnetic double level gauge simulative display is handled through one-chip computer module (23)
Afterwards, control motor driving plate (24) generates corresponding driving signal, drive direct current generator and speed reducer assembly (12) forward direction or
It rotates backward, one-chip computer module (23) detects the multi-turn electricity being mounted on direct current generator and speed reducer assembly (12) motor shaft simultaneously
The change in resistance of position meter (13), controls direct current generator and speed reducer assembly (12) rotate in place forward or backwards;Direct current generator and
Speed reducer assembly (12) rotates forward or backwards, and drive is fixed on direct current generator and speed reducer assembly (12) output motor axis
Traction component (34) loosens or tightens, and the magnet (8) on drawing magnetism mounting plate (7) is moved up or down along guide post (6), magnetic
Iron (8) overturns 180o by the red white magnetic column (30) in magnetic coupling driving turning plate indicator (31), when magnet (8) moves up
When, red white magnetic column (30) becomes red by white, and when magnet (8) moves down, red white magnetic column (30) is become by red
White, simulative display liquid level.
2. a kind of magnetic double level gauge Fast simulation as described in claim 1 shows alternative, it is characterised in that: described
Traction component includes guide pipe A(18), guide pipe B(17), guide pipe C(16), traction rope A(15) and traction rope B(14);
Two guide pipe A(18) it is fixedly mounted on and guide post (6) symmetrical two sides, two guide pipe A through lower installation board (5) respectively
(18) one end outlet is arranged with the output motor axis horizontal symmetrical of direct current generator and speed reducer assembly (12) respectively, two guiding
Pipe A(18) the other end outlet towards magnet mounting plate (7) be arranged;
Two guide pipe B(17) it is fixedly mounted on and guide post (6) symmetrical two sides, two guide pipe B(17) through upper mounting plate (4)
Both ends be arranged towards magnet mounting plate (7), guide pipe B(17) distance of the one end away from guide post (6) be less than the other end away from leading
The distance of column, away from the closer two guide pipe B(17 of guide post (6)) the mouth that brings out respectively correspond guide pipe A(18) the mouth that brings out set
It sets;
Two guide pipe C(16) it is fixedly mounted on and guide post (6) symmetrical two sides, two guide pipe C(16) through lower installation board (5)
One end outlet respectively with the output motor axis horizontal symmetrical of direct current generator and speed reducer assembly (12) be arranged, two guide pipe C
(16) the other end exports respectively and away from the farther away two guide pipe B(17 of guide post (6)) the mouth that brings out be correspondingly arranged,;
Traction rope A(15) central point reverse-winding be fixed on the output motor axis of direct current generator and speed reducer assembly (12)
Afterwards, traction rope A(15) both ends be each passed through ipsilateral guide pipe A(18) upwards be strained and fixed respective side magnet installation
On plate (7);
Traction rope B(14) center point forward be fastened on the output motor axis of direct current generator and speed reducer assembly [12]
Afterwards, traction rope B(14) both ends be each passed through ipsilateral guide pipe C(16), guide pipe B(17) be strained and fixed in respective side downwards
Magnet mounting plate (7) on.
3. a kind of magnetic double level gauge Fast simulation as described in claim 1 shows alternative, it is characterised in that: described
Casing (1) further includes stainless steel support tube (3), and stainless steel support tube (3) is one diametrically longitudinal sectional except the stainless steel of half is round
Cylinder, the length and diameter of the length and diameter and magnetic double level gauge body tube (10) of stainless steel support tube (3) match;Upper peace
Loading board (4) and lower installation board (5) are respectively welded at stainless steel support tube (3) upper and lower ends, and keep upper mounting plate (4), lower peace
Loading board (5) is parallel to each other.
4. a kind of magnetic double level gauge Fast simulation as described in claim 1 shows alternative, it is characterised in that: described
Drive module (11) further includes for detecting the upper limit magnetic switch (19) and lower limit that magnet (8) is upward, moves down extreme position
Magnetic switch (20) is separately positioned on guide post by the upper limit magnetic switch (19) and lower limit magnetic switch (20) of power module (27) power supply
(6) signal output end of upper and lower ends, the signal output end of upper limit magnetic switch (19) and lower limit magnetic switch (20) is and monolithic
The input terminal of machine connects.
5. a kind of magnetic double level gauge Fast simulation as described in claim 1 shows alternative, it is characterised in that: described
Drive module (11) further includes button module (26), and button module (26) passes through connector A(43) connect with one-chip computer module (23)
Connect, connector A(43) the zero point turret terminal ZERO of socket, testing button end TEST, reset button end Reset respectively with monolithic
The port the I/O port PC2, I/O PC3 of machine module (23), reset terminal Reset connection;Connector A(43) plug zero point button
Hold ZERO, testing button end TEST, reset button end Reset respectively with the zero point turret terminal ZERO of button module (26), test
Turret terminal TEST, the Reset connection of reset button end.
6. a kind of magnetic double level gauge Fast simulation as claimed in claim 5 shows alternative, it is characterised in that: magnetic turning plate
Liquid level analogue output unit when first used, after long-time use simulation show existing large error when, need to magnetic turning plate
Liquid level analogue output unit carries out zero correction, specifically includes the following steps:
Button module (26), LCD display module (28) are passed through connector A(43), connector B(44 by step 1.1 respectively) connection
Onto magnetic turning plate liquid level analogue output unit;
Step 1.2, the reset button Reset for pressing button module (26), at the beginning of magnetic turning plate liquid level analogue output unit is returned to zero
Beginningization, magnet (8) return factory zero point, while the mobile positional number of real-time display magnet (8) on LCD display module (28)
According to;
Step 1.3, the zero point button for pressing button module (26), magnetic turning plate liquid level analogue output unit execute zero point and adjust journey
Sequence, one-chip computer module (23) control magnet (8) are quickly moved upwards up to upper limit control point, then fast move downwards, when again
Zero point button is pressed, magnet (8) enters deceleration mobile process, when reaching the zero point of magnetic double level gauge body tube, third time
Zero point button is pressed, one-chip computer module (23) records current positional value, and the record value is replaced original zero point value;
Step 1.4, the testing button for pressing button module (26), magnetic turning plate liquid level analogue output unit execute test program, from
Zero point liquid level changes to highest liquid level point, then changes to zero point liquid level from highest liquid level point again;
If step 1.5, output have deviation, return step 1.2 carries out the zero point school of magnetic turning plate liquid level analogue output unit again
Just;If pressing zero point button the 4th time without deviation, magnetic turning plate liquid level analogue output unit zero correction terminates.
7. a kind of magnetic double level gauge Fast simulation as described in claim 1 shows alternative, it is characterised in that: described
Magnetic turning plate liquid level analogue output unit executes following steps under automatic running pattern:
After step 2.1, magnetic turning plate liquid level analogue output unit power on, system is initialized;
Step 2.2, wireless module receive liquid level simulative display value;
After step 2.3, wireless module receive liquid level simulative display value, liquid level simulative display value is transferred to one-chip computer module;
Step 2.4, one-chip computer module carry out data processing, control the forward and reverse rotation of direct current generator and speed reducer assembly, simultaneously
The potentiometric output voltage of multi-turn is detected, the error amount between setting liquid level simulative display value and actual displayed value is calculated;
Step 2.5, when setting liquid level simulative display value and actual displayed value between error amount be not zero, return step (4);When setting
Determine the error amount between liquid level simulative display value and actual displayed value and be less than or equal to zero, direct current generator and speed reducer assembly stop turning
It moves, then return step step 2.2.
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