CN209674244U - A kind of mechanical automatic liquid level detection control apparatus - Google Patents
A kind of mechanical automatic liquid level detection control apparatus Download PDFInfo
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- CN209674244U CN209674244U CN201920317012.5U CN201920317012U CN209674244U CN 209674244 U CN209674244 U CN 209674244U CN 201920317012 U CN201920317012 U CN 201920317012U CN 209674244 U CN209674244 U CN 209674244U
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- screw rod
- liquid level
- circle number
- motor
- control apparatus
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Abstract
The utility model relates to a kind of mechanical automatic liquid level detection control apparatus, it is sequentially connected by the transmission shaft of motor (1) by shaft coupling (2) and screw rod (7), the top of screw rod is equipped with feed screw nut (6) traveling probe (9), feed screw nut (6) passes through connection sheet (11) connection level sensing probe (9), level sensing probe (9) is placed in pot body (10) and fluid level contacts to be measured, circle number sensor circle number induction point (3) is equipped at motor, circle number sensor circle number induction point (3) is connected to circle number sensor (4) by signal connecting line, it encloses number sensor (4) and circuit board is connected to by signal connecting line, count the circle number of motor (1) rotation.The utility model uses simple and easy method, with the movement of motor drives screw mandrel adjustment probe, detects the rotating cycle of screw rod on the move, and according to the stroke of screw rod, calculates the height of liquid level, realizes in the automatic liquid level detection compared with high viscosity liquid.
Description
[technical field]
The utility model relates to Level Control Technology field, specifically a kind of mechanical automatic liquid level detection control dress
It sets.
[background technique]
In automatic liquid level detection system field, pure electronic sensor liquid level detection device, pressure detecting dress are generallyd use
Set and supersonic detection device etc., since liquid is when density is higher, mobility is affected, and have inner wall be adhered it is existing
As the sensitivity of the variation degree of liquid level reduces, and cannot effectively and timely be detected the data of variation, and in the steam of boiling
In the environment of high temperature, pure electronic sensor level sensing and other methods certainly will have installation and error problem, therefore urgently
To a kind of liquid level detection device for the higher liquid of density.
[summary of the invention]
The purpose of this utility model is to provide a kind of automatic liquid level detection control apparatus, are used for the higher liquid of density
Level sensing.
To achieve the above object, design a kind of mechanical automatic liquid level detection control apparatus, which is characterized in that by motor 1,
Shaft coupling 2, circle number induction point 3, circle number sensor 4, position-sensing switch 5, feed screw nut 6, screw rod 7, positioning litter 8, level sensing
Probe 9, liquid pot 10, chip circuit plate 12 form；The transmission shaft of motor 1 is sequentially connected by shaft coupling 2 and screw rod 7, encloses number
Induction point 3 is installed on the detectable revolution installation point on screw rod 7, and screw rod rotates simultaneously with motor with moving-coil number induction point 3；Screw rod
It is fixed by feed screw nut 6 and connection sheet 11 that 7 tops one end are equipped with feed screw nut 6, connection sheet 11 by metal plate bending or gold plus
Work combination block conversion direction level sensing probe 9 is fixed；Feed screw nut 6 moves up and down in the rotation of motor 1 along screw rod 7
Level sensing probe 9, positioning litter 8 are used for the moving stability of positioning probe 9.Level sensing probe 9 is placed in liquid pot 10
With fluid level contacts to be measured, level sensing probe 9 by with fluid level contacts, the conducting wire of pot body is connect with other end, passes through chip shape
At a measure loop, liquid level face is transmitted；The rotation of circle number induction point 3 gives circle number sensor 4 and incudes lap signal, and circle number passes
Sensor 4 is connected to chip circuit plate 12 by signal, counts the circle number that screw rod 7 rotates, passes through the screw pitch of screw rod 7, level sensing
Every millimeter of volume is raised and lowered in probe 9 liquid measure of liquid pot 10 and 10 liquid level of liquid pot in lowest order, calculates liquid
Liquid level and PRESSURE-VOLUME RELATION.
Device is equipped with outer housing, using shell as support.Motor 1, screw rod 7, positioning litter 8 is fixedly mounted, makes its shape
At make-up machinery formula automatic liquid level detection control apparatus.Fixed motor 1 is installed in shell, inside set shaft coupling 2, circle number induction point 3,
Enclose number sensor 4, position-sensing switch 5, feed screw nut 6, screw rod 7 and positioning litter 8.
Metal plate bending junction between level sensing probe 9 and connection sheet 11 has additional limit assembly, including one with
Positioning litter 8, the positioning litter sliding block 14 of screw rod parallel vertical, positioning litter sliding block 14 are fixed in metal plate bending and are fixed on
Position litter 8, make feed screw nut 6, connection sheet 11, positioning litter sliding block 14, level sensing probe 9 formed one it is fixed whole
Body is driven by screw rod 7, is moved up and down along the positioning litter 8 with screw rod parallel vertical.It is being positioned by positioning litter sliding block 14
Stablize movement on litter 8, controls the shaking of probe 9.
The apical position of screw rod 7 is additionally provided with position-sensing switch 5, and signal connecting line is equipped in position-sensing switch 5 and is connected to chip electricity
Road plate 12, apical position is moved on on feed screw nut 6 touches 5 signal of position-sensing switch and be connected to chip circuit plate 12, positioning liquid level inspection
The extreme higher position of probing needle 9.
The chip counts circle number by the measurement of 10 unit volume of measurement and liquid pot of the screw pitch to screw rod 7
Sensor 4 incudes the circle number that screw rod 7 rotates and determines liquid stock by 9 induction level of probe, by computer chip 12, calculates
Then the height of liquid level calculates the volume of storage liquid further according to the unit volume of pot body.
The utility model uses simple and easy method, the movement of probe is adjusted with motor drives screw mandrel, by probe induced and determination
Liquid stock has measured the rotating cycle that screw rod leaves position-sensing switch position location at this time, further according to every circle stroke of screw rod,
The height of liquid level is calculated, is realized in the automatic liquid level detection compared with high viscosity liquid.
[Detailed description of the invention]
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is to use schematic diagram.
Fig. 3 is STM32F103C8T6 chip circuit schematic diagram.
Fig. 4 is circuit diagram.
Description of symbols in figure:
1 motor, 2 shaft couplings, 3 circle number induction points, 4 circle number sensors, 5 position-sensing switches, 6 feed screw nuts, 7 screw rods, 8 positioning
Litter, 9 level sensing probes, 10 liquid pots, 11 connection sheets, 12 chip circuit plates, 14 positioning litter sliding blocks.
[specific embodiment]
The technical solution of the utility model is further elaborated now in conjunction with accompanying drawings and embodiments, it is believed that art technology
It is clear for personnel.
Embodiment one
A kind of mechanical automatic liquid level detection control apparatus, by motor 1, shaft coupling 2 encloses number sensor circle number induction point 3,
Number sensor 4 is enclosed, position-sensing switch 5, feed screw nut 6, screw rod 7, position litter 8, level sensing probe 9, liquid pot 10, chip electricity
Road plate 12, positioning litter sliding block 14 form.
Its hardware components connection relationship is as shown in Figs. 1-2,
The transmission shaft of motor 1 is sequentially connected by shaft coupling 2 and screw rod 7, circle number induction point 3 be installed on screw rod 7 can
Revolution installation point is detected, screw rod rotates simultaneously with motor with moving-coil number induction point 3；7 top one end of screw rod is logical equipped with feed screw nut 6
It crosses feed screw nut 6 and connection sheet 11 is fixed, connection sheet 11 is fixed by metal plate bending conversion direction level sensing probe 9；Screw rod
Nut 6 moves up and down level sensing probe 9 in the rotation of motor 1, along screw rod 7, and positioning litter 8 is for positioning probe 9
The moving stability.Level sensing probe 9 be placed in liquid pot 10 with fluid level contacts to be measured, level sensing probe 9 by with liquid level
Contact, the conducting wire of pot body is connect with other end, is formed a measure loop by chip, is transmitted liquid level face；Enclose number induction point 3
Rotation gives circle number sensor 4 and incudes lap signal, and circle number sensor 4 is connected to chip circuit plate 12 by signal, counts silk
The circle number that bar 7 rotates, by the screw pitch of screw rod 7, level sensing probe 9 liquid measure of liquid pot 10 and liquid pot 10 in lowest order
Every millimeter of volume is raised and lowered in liquid level, calculates the liquid level and PRESSURE-VOLUME RELATION of liquid.
The measurement being displaced by every circle screw pitch to screw rod, in conjunction with the measurement of 10 unit volume of pot body, computer chip 12 leads to
It crosses and counts the circle number that screw rod 7 rotates, probe 9 determines liquid level in pot body, the height of liquid level calculated, then further according to pot body
Unit volume calculate storage liquid volume.
Embodiment two
Chip circuit plate 12 uses model STM32F103C8T6 chip or the chip of other identity function models, inside
Circuit is as shown in Figure 3-4, internal processes application formula: L=l0+S0*(h0- h), L indicates the final liquid stock of liquid pot 10,
Unit rises l, l0Indicate that the minimum liquid measure of pot body, unit rise l, S0Indicate 10 per unit millimeter liquid measure of liquid pot, unit l/mm, h0
Indicating height of the level sensing probe 9 apart from bottom of pot body, unit mm, h indicate that level sensing probe 9 declines moving distance,
Unit is mm, and chip circuit calculates the final storage of liquid according to numerical value detected, and controls opening for heating part evaporation liquid
Dynamic and closing.
The measurement of screw pitch is displaced by every circle to screw rod, in conjunction with the measurement of 10 unit volume of liquid pot, chip circuit plate
12, the circle number that the circle number induction point 3 that screw rod 7 rotates coaxially rotates is counted by circle number sensor 4, is then determined further according to probe 9
Liquid level in pot body, then calculate the volume of 10 storage liquid of liquid pot.
Embodiment three
Outer housing is equipped on one device basic of embodiment, using shell as support.Be fixedly mounted motor 1, screw rod 7,
Litter 8 is positioned, make-up machinery formula automatic liquid level detection control apparatus is formed it into.It is separated into shell by motor fixing plate
Portion's cavity and lower cavity, the upper chamber of shell install fixed motor 1, setting shaft coupling 2, circle number in the lower cavity of shell
Induction point 3, circle number sensor 4, position-sensing switch 5, feed screw nut 6, screw rod 7 and positioning litter 8.The separation of this cavity is different
Surely it is two cavitys, is also not necessarily fixed installation, motor may also be mounted on following cavity, it is not limited to this implementation
Example.
Example IV
Metal plate bending junction between level sensing probe 9 and connection sheet 11 has additional limit assembly, including one with
Positioning litter 8, the positioning litter sliding block 14 of screw rod parallel vertical, positioning litter sliding block 14 are fixed in metal plate bending and are located on
Position litter 8, make feed screw nut 6, connection sheet 11, positioning litter sliding block 14, level sensing probe 9 formed one it is fixed whole
Body is driven by screw rod 7, is moved up and down along the positioning litter 8 with screw rod parallel vertical.
The apical position of screw rod 7 is additionally provided with position-sensing switch 5, and signal connecting line is equipped in position-sensing switch 5 and is connected to chip electricity
Road plate 12, apical position is moved on on feed screw nut 6 touches 5 signal of position-sensing switch and be connected to chip circuit plate 12, positioning liquid level inspection
The extreme higher position of probing needle 9.
The improvement done on the basis of technical solutions of the utility model below belongs to the right of the present utility model application
Protection scope.
1, circle number sensor 4, circle number induction point 3 are mounted on different positions, both fall within the interest field of present patent application.
2, circle number induction point 3 includes the sensor device of magnet block, grating sensing chip or other induction revolutions, installation and silk
Bar 7 rotates the installation point of related detectable revolution, both falls within the interest field of present patent application.
3, motor 1 is mounted on bottom position, also falls into the interest field of present patent application.
4, position-sensing switch 5 is mounted on other positions, also falls into the interest field of present patent application.
Claims (6)
1. a kind of mechanical automatic liquid level detection control apparatus, which is characterized in that by motor (1), shaft coupling (2), circle number induction
Point (3), circle number sensor (4), position-sensing switch (5), feed screw nut (6), screw rod (7), positioning litter (8), level sensing probe
(9), the transmission shaft of liquid pot (10), chip circuit plate (12) composition, motor (1) is connected by shaft coupling (2) and screw rod (7) transmission
It connects, circle number induction point (3) is installed on the detectable revolution installation point on screw rod (7), and screw rod rotates simultaneously with motor with moving-coil number
Induction point (3) encloses number induction point (3) signal clamping ring number sensor (4), encloses number sensor (4) by signal and is connected to chip
Circuit board (12) counts the circle number of screw rod (7) rotation；
One end is equipped with feed screw nut (6) and is fixed by feed screw nut (6) and connection sheet (11) at the top of screw rod (7), connection sheet (11)
It is fixed by metal plate bending or metalworking combination block conversion direction and level sensing probe (9)；Level sensing probe (9) is used as liquid
Signal wire is set in level sensor to be connected with chip circuit plate (12), level sensing probe (9) be placed in liquid pot (10) with it is to be measured
The conducting wire of liquid pot (10) is connect when fluid level contacts with other end, forms a measure loop transmitting by chip circuit plate (12)
Liquid level face, chip circuit plate (12) output control connection motor (1).
2. a kind of mechanical automatic liquid level detection control apparatus as described in claim 1, which is characterized in that device is equipped with shell
Motor (1), screw rod (7), positioning litter (8) is fixedly mounted using shell as support in body, forms it into make-up machinery formula certainly
Hydrodynamic position detection control apparatus.
3. a kind of mechanical automatic liquid level detection control apparatus as described in claim 1, which is characterized in that level sensing probe
(9) the metal plate bending junction between connection sheet (11) has additional limit assembly, determines including one with screw rod parallel vertical
Position litter (8), positioning litter sliding block (14), positioning litter sliding block (14) are fixed in metal plate bending and are fixed on positioning litter
(8), make feed screw nut (6), connection sheet (11), positioning litter sliding block (14), level sensing probe (9) formed one it is fixed whole
Body is driven by screw rod (7), is moved up and down along vertically oriented litter (8).
4. a kind of mechanical automatic liquid level detection control apparatus as described in claim 1, which is characterized in that the top of screw rod (7)
End position is additionally provided with position-sensing switch (5), and signal connecting line is equipped in position-sensing switch (5) and is connected to chip circuit plate (12), screw rod
Apical position touch position-sensing switch (5) signal is moved on on nut (6) to be connected to chip circuit plate (12), positions level sensing probe
(9) extreme higher position.
5. a kind of mechanical automatic liquid level detection control apparatus as described in claim 1, which is characterized in that chip circuit plate
(12) model STM32F103C8T6 chip is used.
6. a kind of mechanical automatic liquid level detection control apparatus as described in claim 1, which is characterized in that circle number induction point
It (3) include the sensor device of magnet block, grating sensing chip or other induction revolutions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920317012.5U CN209674244U (en) | 2019-03-13 | 2019-03-13 | A kind of mechanical automatic liquid level detection control apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920317012.5U CN209674244U (en) | 2019-03-13 | 2019-03-13 | A kind of mechanical automatic liquid level detection control apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209674244U true CN209674244U (en) | 2019-11-22 |
Family
ID=68571332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920317012.5U Expired - Fee Related CN209674244U (en) | 2019-03-13 | 2019-03-13 | A kind of mechanical automatic liquid level detection control apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN209674244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116295256A (en) * | 2023-05-22 | 2023-06-23 | 天津市北洋水运水利勘察设计研究院有限公司 | Full-automatic deep soil settlement measurement method and device |
-
2019
- 2019-03-13 CN CN201920317012.5U patent/CN209674244U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116295256A (en) * | 2023-05-22 | 2023-06-23 | 天津市北洋水运水利勘察设计研究院有限公司 | Full-automatic deep soil settlement measurement method and device |
| CN116295256B (en) * | 2023-05-22 | 2023-08-15 | 天津市北洋水运水利勘察设计研究院有限公司 | Full-automatic deep soil settlement measurement method and device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |