CN2278928Y - High accuracy colour bar liquid level meter with infrared optoelectronic switches - Google Patents
High accuracy colour bar liquid level meter with infrared optoelectronic switches Download PDFInfo
- Publication number
- CN2278928Y CN2278928Y CN 95210116 CN95210116U CN2278928Y CN 2278928 Y CN2278928 Y CN 2278928Y CN 95210116 CN95210116 CN 95210116 CN 95210116 U CN95210116 U CN 95210116U CN 2278928 Y CN2278928 Y CN 2278928Y
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- CN
- China
- Prior art keywords
- magnetic
- colour band
- liquid level
- board
- wire rope
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- 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 - Fee Related
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- Level Indicators Using A Float (AREA)
Abstract
The utility model relates to a high-accuracy color-band liquid-level meter with infrared optoelectronic switches, belonging to measuring meters. A liquid tank is communicated with a pipe body, and the swivel of a magnetic condensing reflecting plate is corresponding to a magnetic floater in the pipe body. Through two reflective infrared switches and the swivel of the magnetic condensing reflecting plate, an on-off circuit controls a reversible drive to drive a color band to track the magnetic floater to move up and down to achieve the automatic measurement to the liquid level. The integral structure of optical, magnetic, mechanical and electrical high technologies is used by the high-accuracy color-band liquid-level meter with the infrared optoelectronic switches. The utility model has the advantages of good practicability and visual and striking display of the color band which has the function of liquid viewing. The malfunction is not easy to occur. The high-accuracy color-band liquid-level meter with the infrared optoelectronic switches has the remote-control warning function and can be connected with a microcomputer to measure in tour the measurement of the liquid level of a tank group. The high-accuracy color-band liquid-level meter with the infrared optoelectronic switches is suitable for the industries of petroleum, chemical engineering, pharmacy, light industry, etc.
Description
The utility model belongs to the measurement Displaying Meter, is used to detect the liquid level of liquid level internal tank.
At present, traditional both at home and abroad liquid level gauge and teletransmission adopt that pointer-type is on-the-spot to be shown and the demonstration of mechanical character wheel formula and anaclasis principle and the magnetic double-colored display type that overturns more, its structure transmission complexity, manufacturing cost height, the former can reach the purpose that teletransmission shows after the dynamo-electric conversion, and the latter can only be used for on-the-spot directly perceived demonstration can not continuous integration metering and output remote transfer signal, other has optical fiber teletransmission two-color ribbon liquid level gauge, though can teletransmission show with automatic, but there are pulley blocks wire rope easily card and broken string in inside, can not be directly used in Microcomputer Detecting tank battery level gauge.
The purpose of this utility model provides a kind of can on-the-spot directly perceived the demonstration, and also teletransmission is used for the Photoelectric infrared switch high precision colour band liquid level gauge of Microcomputer Detecting tank battery level gauge automatically.
The utility model is achieved in that flow container and body link, body and watch glasses link, on in the watch glasses, upper/lower positions respectively has a reflection-type Photoelectric infrared switch and on-off circuit to link, on-off circuit and reversible micromotor and worm screw link, reversible micromotor and worm screw are just driving spiral gear, reverse rotation, spiral gear connects with wire rope pulley is coaxial, drive on the wire rope, following motion, wire rope and colour band and interface counterweight link, colour band wheel and coaxial the linking of magnetosensitive non-contact type multiturn potentiometer, the wire rope first line of a couplet light gathering baffle-board that is magnetic is turned corresponding with the magnetic float in the body, on magnetic float, following motion is just turned the magnetic light gathering baffle-board, oppositely telemechanical is just producing micromotor and spiral gear by optoelectronic switch, reverse rotation drive and wire rope link, the magnetic light gathering baffle-board is turned and is followed the tracks of on the magnetic float, following motion, and by taking turns the coaxial magnetosensitive non-contact type multiturn potentiometer that connects with colour band with the joining colour band demonstration of wire rope liquid level true altitude, convert the liquid level variation to resistance absolute value linear change, reach by remote demonstration of secondary instrument realization and the output of 4-20mA standard signal and utilize Microcomputer Detecting tank battery level gauge.
Magnetic light gathering baffle-board in the watch glasses is turned corresponding with the magnetic float in the body, when one of magnetic light gathering baffle-board in the magnetic light gathering baffle-board is turned is aimed at one of upper and lower two reflection-type Photoelectric infrared switches, reversible micromotor and worm screw will be connected, on-off circuit makes reversible micromotor and worm screw produce corresponding spinning movement, wire rope is turned by wire rope pulley one end and magnetic reflecting plate by wire rope and is linked, and the other end and colour band counterweight interface join.The magnetic reflecting plate is turned corresponding with the magnetic float in the body, and the colour band indication is consistent with liquid level.
The discontinuous action of Photoelectric infrared switch, the colour band wheel connects magnetosensitive non-contact type multiturn potentiometer, magnetosensitive non-contact type multiturn potentiometer, magnetosensitive non-contact type multiturn potentiometer converts the liquid level variation to resistance absolute value linear change and realizes remote the demonstration and the output of 4-20mA standard signal by secondary instrument, reaches microcomputer and patrols and examines the tank battery liquid level
The magnetic light gathering baffle-board is turned, in turning, the magnetic light gathering baffle-board have the centre of central shaft, central shaft that the magnet steel frame of being with magnet steel is housed, the magnet steel frame is equipped with square flap outward, the magnetic light gathering baffle-board is housed on the square flap, square flap is placed in the magnetic light gathering baffle-board turns, the magnetic light gathering baffle-board upper and lower fenestra that has of turning, bearing and supporting cover are equipped with in the two ends of central shaft, two ends are fixed with the supporting seat of turning again, the shell upper and lower part that the magnetic light gathering baffle-board is turned has four outstanding rope holes and wire rope to link, and is subjected to upper and lower the moving of traction of wire rope.
In the magnetic non-contact type multiturn potentiometer screw rod is housed, the nut that studs with magnet steel is adorned in the middle of bearing and end cap are housed in the two ends of screw rod, mistor be contained in nut below, being fixed on has guide also fixing in the enclosure above the enclosure nut, the shell two ends are fastening with end cap.
Electric power system can adopt battery and solar electric power supply system to charge to rechargable battery, as the power resources of optoelectronic switch and micromotor.
Advantage of the present utility model is: instrument has adopted light, magnetic, mechanical, electrical hi-tech integral structure, motion is turned good by no traction rope durability in magnetic and its upper and lower action of photocontrol, the pipe, be difficult for breaking down, have the colour band intuitive display of liquid visual function eye-catching, be convenient to operator's distant surveillance round the clock, signal conveys can be realized the far distance controlled warning function to the metering house with the secondary instrument that has light beam and numeral demonstration simultaneously, also can link, patrol and survey the tank battery level gauge, be applicable to industries such as oil, chemical industry, pharmacy, light industry with microcomputer.
Description of drawings:
Fig. 1 is a Photoelectric infrared switch high precision colour band liquid level gauge structural drawing;
Fig. 2 is magnetic light gathering baffle-board swivel structure figure;
Fig. 3 is a magnetic light gathering baffle-board swivel structure cut-open view;
Fig. 4 is a magnetosensitive noncontact potentiometer structure cut-open view.
Among the figure: 1, body 2, magnetic float 3, magnetic light gathering baffle-board turn 4, Photoelectric infrared switch
5, reversible micromotor and worm screw 6, on-off circuit 7, magnetosensitive non-contact type multiturn potentiometer
8, wire rope 9, colour band and interface counterweight 10, watch glasses 11, colour band wheel
12, wire rope pulley 13,14, magnetic solar panel 15, square flap 16,17, fenestra
18, magnet steel frame 19, magnet steel 20, central shaft 21, bearing and supporting cover
22, turn supporting seat 23, outstanding rope hole 24, nut 25, guide 26, bearing
27, screw rod 28, end cap 29, mistor 30, magnet steel 31, spiral gear
Below in conjunction with accompanying drawing 1,2,3,4, describe details and working condition in detail according to the concrete device that the utility model proposes.
Flow container is connected with instrument body (1), magnetic float (2) is in body (1), the magnetic light gathering baffle-board is turned four outstanding rope holes (23) on (3) shell, wire rope (8) is by outstanding rope hole (23), through wire rope pulley (12) and spiral gear (31), by annular wire rope (8) with the magnetic light gathering baffle-board turn (3) join with annular colour band and interface counterweight (9), the magnetic light gathering baffle-board is turned and is had reflective fenestra (16) on (3), (17), two light gathering baffle-boards (13) are arranged on the square flap (15), (14), bearing is housed at central shaft (20) two ends and supporting cover (21) is put into square flap (15), studding with magnet steel (19) in the magnet steel frame (18) also is contained in the square flap (15) by central shaft (20), square flap (15) is contained in the magnetic solar panel and turns that to be placed on body (1) in (3) shell outside corresponding with the magnetic float (2) in the body (1), when magnetic float (2) changes with the liquid lifting magnetic light gathering baffle-board turn (3) produce rotary movement, light gathering baffle-board (13), (14) aligning is installed on the instrument panel, during one of two reflection-type Photoelectric infrared switches (4) of lower end, reversible micromotor and worm screw (5) will be connected by on-off circuit (4) produce corresponding spinning movement, decide needs according to giving, taking turns (11) lifting with the annular colour band (9) that annular wire rope (8) joins along colour band by wire rope pulley (12) and spiral gear (31) during positive de-rotation should be consistent with the liquid level change direction, when liquid level is constant, magnetic float (2) in the body (1) is static, the outside magnetic light gathering baffle-board of body this moment (1) turn (13) since the cooperation of magnetic lotus root with being in obliquity on can not making, the lower end optoelectronic switch is connected, thereby colour band (9) also remains static, watch glasses (10) is installed in colour band (9) outside, and observe red ribbon (9) this moment highly promptly is the true altitude of liquid level in the jar.
On the Photoelectric infrared switch high precision colour band liquid level gauge by loading onto, following two reflection-type Photoelectric infrared switches (4), converting the discontinuous action of Photoelectric infrared switch (4) to colour band (9) is LINEAR CONTINUOUS with the liquid level lifting and shows, again through magnetosensitive non-contact type multiturn potentiometer (7), a threaded screw rod (27) is arranged in this potentiometer, adorning nut (24) mistor (29) that studs with magnet steel (30) in the middle of the screw rod (27) is contained in below the nut (24) that studs with magnet steel (30), be fixed on enclosure, having guide (25) also to fix above the nut (24) goes up in the enclosure, two ends are equipped with bearing (26) and magnetosensitive non-contact type multiturn potentiometer (7) shell are installed again, two ends are fastening with end cap (28), when rotary screw (27), nut is corresponding to be moved, the nut (24) that has magnet steel is gone up mobile at mistor (29), convert the liquid level variation to resistance absolute value linear change, realize remote show and the 4-20mA standard signal is exported to reach and utilized Microcomputer Detecting tank battery liquid level by secondary instrument, can also show with CRT.
Claims (6)
1, a kind of Photoelectric infrared switch high precision colour band liquid level gauge, by body (1), magnetic float (2), magnetic light gathering baffle-board turn (3), Photoelectric infrared switch (4), reversible micromotor and worm screw (5), on-off circuit (6), magnetosensitive non-contact type multiturn potentiometer (7), wire rope (8), colour band and interface counterweight (9), watch glasses (10), colour band wheel (11) wire rope pulley (12), spiral gear (31) is formed, it is characterized in that: flow container and body (1) link, body (1) links with watch glasses (10), on in the watch glasses (10), upper/lower positions respectively has a reflection-type Photoelectric infrared switch (4) and on-off circuit (6) to link, on-off circuit (6) links with reversible micromotor and worm screw (5), reversible micromotor and worm screw (5) are just driving spiral gear (31), reverse rotation, spiral gear (31) and coaxial connection of wire rope pulley (12), drive on the wire rope (8), following motion, wire rope (8) links with colour band and interface counterweight (9), colour band wheel (11) and coaxial the linking of magnetosensitive non-contact type multiturn potentiometer (7), wire rope (8) first line of a couplet be magnetic light gathering baffle-board turn (3) corresponding with the magnetic float (2) in the body (1), on magnetic float (2), following motion makes the magnetic light gathering baffle-board just turn (3), counter motion, by optoelectronic switch (4) micromotor and spiral gear are just being produced, reverse rotation drive and wire rope (8) link, the magnetic light gathering baffle-board is turned on (3) the tracking magnetic floats (2), following motion, and by showing liquid level true altitude and colour band wheel (11) coaxial magnetosensitive non-contact type multiturn potentiometer (7) that connects with the joining colour band of wire rope (9), convert the liquid level variation to resistance absolute value linear change, reach by remote demonstration of secondary instrument realization and the output of 4-20mA standard signal and utilize Microcomputer Detecting tank battery level gauge.
2, Photoelectric infrared switch high precision colour band liquid level gauge according to claim 1, it is characterized in that: the magnetic light gathering baffle-board in the watch glasses (10) turn (3) corresponding with the magnetic float (2) in the body (1), magnetic light gathering baffle-board (13) in the magnetic light gathering baffle-board is turned (3), one of (14) on aiming at, during one of following two reflection-type Photoelectric infrared switches (4), reversible micromotor and worm screw (5) will be connected, on-off circuit (6) makes reversible micromotor and worm screw (5) produce corresponding spinning movement, wire rope (8) by wire rope pulley (12) one ends and magnetic reflecting plate turn (3) link, the other end and colour band counterweight interface (9) join, the magnetic reflecting plate turn (3) corresponding with the magnetic float (2) in the body (17), colour band indication is consistent with liquid level.
3, Photoelectric infrared switch high precision colour band liquid level gauge according to claim 1, it is characterized in that: the discontinuous action of Photoelectric infrared switch (4), colour band wheel (11) connects magnetosensitive non-contact type multiturn potentiometer (7), magnetosensitive non-contact type multiturn potentiometer (7) converts the liquid level variation to resistance absolute value linear change, realizes that by secondary instrument remote demonstration and the output of 4-20mA standard signal reach microcomputer and patrols and examines the tank battery liquid level.
4, Photoelectric infrared switch high precision colour band liquid level gauge according to claim 1, it is characterized in that: magnetic light gathering baffle-board turn (3), central shaft (20) in turning (3), the magnetic light gathering baffle-board is arranged, the magnet steel frame (18) of band magnet steel (19) is housed in the middle of the central shaft (20), the outer square flap (15) that is equipped with of magnet steel frame (18), magnetic light gathering baffle-board (13) is housed on the square flap (15), (14), square flap (15) is placed on magnetic light gathering baffle-board (3) the interior magnetic light gathering baffle-board of turning and turns on (3), under have fenestra (16), (17), bearing and supporting cover (21) are equipped with in central shaft (20) two ends, two ends are fixing with the supporting seat of turning (22) again, magnetic light gathering baffle-board turn (3), on the shell, the bottom has four outstanding rope holes (23) and wire rope (8) to link, and is subjected in the traction of wire rope (8), move down.
5, Photoelectric infrared switch high precision colour band liquid level gauge according to claim 1, it is characterized in that: screw rod (27) is housed in the magnetic non-contact type multiturn potentiometer (7), the nut (24) that studs with magnet steel (30) is adorned in the middle of bearing (26) and end cap (28) are housed in screw rod (27) two ends, mistor (29) is contained in below the nut (24), being fixed on has guide (25) also fixing in the enclosure above the enclosure nut (24), the shell two ends are fastening with end cap (28).
6, Photoelectric infrared switch high precision colour band liquid level gauge according to claim 1, it is characterized in that: electric power system can adopt battery and solar electric power supply system to charge to rechargable battery, as the power resources of optoelectronic switch and micromotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95210116 CN2278928Y (en) | 1995-05-15 | 1995-05-15 | High accuracy colour bar liquid level meter with infrared optoelectronic switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95210116 CN2278928Y (en) | 1995-05-15 | 1995-05-15 | High accuracy colour bar liquid level meter with infrared optoelectronic switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2278928Y true CN2278928Y (en) | 1998-04-15 |
Family
ID=33860932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95210116 Expired - Fee Related CN2278928Y (en) | 1995-05-15 | 1995-05-15 | High accuracy colour bar liquid level meter with infrared optoelectronic switches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2278928Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410635C (en) * | 2004-02-20 | 2008-08-13 | 暨南大学 | Level meter |
| CN116625315A (en) * | 2023-07-25 | 2023-08-22 | 国网山东省电力公司济宁市任城区供电公司 | Transmission tower monitoring method and system |
-
1995
- 1995-05-15 CN CN 95210116 patent/CN2278928Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410635C (en) * | 2004-02-20 | 2008-08-13 | 暨南大学 | Level meter |
| CN116625315A (en) * | 2023-07-25 | 2023-08-22 | 国网山东省电力公司济宁市任城区供电公司 | Transmission tower monitoring method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |