CN2190290Y - Digital float level meter - Google Patents
Digital float level meter Download PDFInfo
- Publication number
- CN2190290Y CN2190290Y CN 94206404 CN94206404U CN2190290Y CN 2190290 Y CN2190290 Y CN 2190290Y CN 94206404 CN94206404 CN 94206404 CN 94206404 U CN94206404 U CN 94206404U CN 2190290 Y CN2190290 Y CN 2190290Y
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- Prior art keywords
- wheel
- digit
- hundred
- main shaft
- float
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- Level Indicators Using A Float (AREA)
Abstract
The utility model relates to a digital float level meter, composed of main parts of a float, a measuring tape, a guide device of the float, a guide wheel, a force balancing mechanism, a counter, etc. The float rises and falls with the liquid surface, to drive the measuring tape to move simultaneously, and the measuring tape drives the measuring wheel to generate corresponding angular displacement. The measuring wheel drives a dibit digit wheel on the main shaft to rotate through a coupling, and through the transformation of the decimal gear, the liquid level of five numbers can be read out visually. Simultaneously, the corresponding coded information enters a secondary instrument through an amplifier, to achieve to display the liquid level automatically.
Description
The utility model belongs to the thing level detecting apparatus, and the liquid level that is mainly used in the container detects.
Traditional counter liquid level instrument, its resolving power are centimetre, if it is brought up to millimeter, will increase multi-stage gear and pay gear, the adverse consequences that causes complex structure and cumulative errors to strengthen, so its accuracy of detection is low, range of application is subjected to certain restriction.
The purpose of this utility model provides a kind of simple in structure, resolving power and is millimeter and novel " float-type counting device liquid level instrument " with signal transfer functions.
The purpose of this utility model realizes with following technical proposals:
A kind of " float-type counting device liquid level instrument ", it is by float, measure band (claiming driving-belt again), the floater guiding device, angle sheave, critical pieces such as dynamic balance mechanism sum counter are formed, it is characterized in that right side at " the hundred figure place character wheels " of counter, also assemble one " dibit digit wheel " on " main shaft ", it and corresponding " decade gear " engagement, with main shaft is to be fixedly connected, side at the dibit digit wheel, several " teeth groove G " that form by " pin tooth P1 and P2 " of equidistant placement, the number S of teeth groove G＞1, S is an integer, at the garden of dibit digit wheel side face, by the average mint-mark of its girth M " measuring unit " " graticule K " and corresponding with it " digital F ", M=S are arranged, L=0～100 millimeter, the f=1 millimeter; One " optical code wheel " or " contact code-disc " of assembling is shaped on n bar " digit path ", n 〉=1 thereon, and is assembled with and digit path corresponding " signal detection head " on the left side of " myriabit digit wheel ", main shaft; In the garden side face or the side of myriabit digit wheel, thousands digit character wheel and hundred figure place character wheels, be shaped on X bar " digit path D ", X 〉=1 respectively, and be assembled with digit path D corresponding " signal detection head "; " measuring wheel " is to be in same axis with main shaft, draw bail between the two is to adopt " shaft coupling ", it comprises " magnetic couple formula shaft coupling " and " rigidity (or elasticity) shaft coupling " two kinds of structures shaft coupling, and it comprises " magnetic and non magnetic " two kinds of structures, the girth l of measuring wheel measuring wheel
1=100S(unit: millimeter),, also assemble one " regulating wheel " at an end of main shaft.
Below with reference to accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the external form synoptic diagram of the utility model counter A.
Fig. 3 is that the measuring unit graticule of the utility model dibit digit wheel launches synoptic diagram.
Fig. 4 is a measuring wheel synoptic diagram of the present utility model.
Fig. 5 is the structural representation of the utility model embodiment two.
Fig. 6 is the structural representation of the utility model embodiment three.
Fig. 7 is a magnetic couple formula shaft coupling synoptic diagram of the present utility model.
Fig. 8 is the structural representation of the utility model embodiment four.
Fig. 9 is the structural representation of the utility model embodiment five.
Figure 10 is the structural representation of the utility model embodiment six.
Figure 11 is the structural representation of the utility model embodiment seven.
With reference to Fig. 1, when the variation of float (24) with liquid level (25), in the time of along the lifting of guiding wire rope (26), driving to measure is with (9) to move, through angle sheave (28), measure band (9) and drive measuring wheel (10) generation corresponding angular again, measuring wheel (10) drives main shaft (13) by shaft coupling (11) and rotates, and make the dibit digit wheel (14) that is fixed on the main shaft (13) and optical code wheel (20) or contact code-disc (21) produce corresponding angular, the moving 1/S of dibit digit wheel (14) revolution is during week, just drive hundred figure place character wheels (6) by decade gear (7) and intermittently turn over 36 degree, (that is turning over for 1/10 week), expression is advanced one, when hundred figure place character wheels (6) rotate a week, just drive thousands digit character wheel (4) by decade gear (5) and turn over 36 degree, expression is advanced one, the rest may be inferred, just can realize counting continuously and automatic carry, the staff just can intuitively read the liquid level of five digit number by reading pointer (12).At this simultaneously, with the coded message on the reading on the dibit digit wheel (14) corresponding " optical code wheel (20) or contact code-disc (21) ", detect through signal detection head (18), the coded message of " digit path D " on " hundred figure place character wheels (6); thousands digit character wheel (4) and myriabit digit wheel (1) ", be to detect through signal detection head (15), the detecting signal of signal detection head (18) and (15), be to transfer to amplifier (22) through signal wire (17) and (16) respectively, information is after secondary instrument (23) is handled, automatically demonstrate corresponding five digit number liquid level, here amplifier (22) and secondary instrument (23) all belong to prior art.
Dynamic balance during float (24) lifting is to realize by Weight type dynamic balance mechanism (27).
Rotation regulating wheel (19) can directly drive main shaft (13) and rotate, and is used to regulate the reading on the digit wheel, is mainly used in the Installation and Debugging of instrument.
On the main shaft (13) of counter A, be assembled with dibit digit wheel (14) successively, hundred figure place character wheels (6), thousands digit character wheel (4) and myriabit digit wheel (1), hundred, kilobit and myriabit digit wheel and main shaft (13) are to adopt clearance fit, on dead axle (2), be assembled with decade gear (3), (5) and (7), be to adopt clearance fit between the two, decade gear (7) is and dibit digit wheel (14) and the engagement of hundred figure place character wheels (6), decade gear (5) is and hundred figure place character wheels (6) and thousands digit character wheel (4) engagement that decade gear (3) is and thousands digit character wheel (4) and myriabit digit wheel (1) engagement.Side at dibit digit wheel (14), number S＞1, the S of equidistant placement several teeth groove G that is made up of pin tooth P1 and P2, teeth groove G should be integers, garden side face at dibit digit wheel (14), by the average mint-mark of its girth " graticule K " and corresponding with it " digital F ", each hundred graticule K of M " measuring unit " being arranged is a measuring unit, the measurement range L=0 of each measuring unit～100 millimeter, scale value f=1 millimeter, scale value be meant adjacent two graticule K representatives by numerical quantity.20 of side equidistant placement at hundred figure place character wheels (6), thousands digit character wheel (4) and myriabit digit wheel (1) are sold tooth H, are arranged the teeth groove G that " " is made up of " pin tooth P1 and P2 " at opposite side, at its garden side face, by the average mint-mark of its girth ten " graticule C " and corresponding with it " digital E " are arranged, simultaneously, in the garden side face of hundred figure place character wheels (6), thousands digit character wheel (4) and myriabit digit wheel (1) or side, according to the encoding law of " binary code " or " reflected code ", be shaped on X bar " digit path D ", X 〉=1 respectively.At optical code wheel (20) or above the contact code-disc (21), be shaped on n bar digit code road, n 〉=1 according to the encoding law of " binary code " or " reflected code ".With digit path corresponding " signal detection head (18) or (15) ", they respectively comprise " contact " and " contactless " two kinds of structures, and the former is made of " contact brush ", and the latter is made of " light-emitting component and photo detector ".
With reference to Fig. 2, on housing (8), be provided with viewport (29), for example from viewport (29),, can intuitively read 66660 millimeters of liquid levels by reading pointer (12), its composition is:
With reference to Fig. 3, it is on the garden side face of dibit digit wheel (14), there are the expansion synoptic diagram of " the graticule K " of two measuring units (being M=2), the average mint-mark of each measuring unit that 100 graticule K, measurement range L=0～100 millimeter, scale value f=1 millimeter are arranged by the average mint-mark of its girth.When reading pointer (12) is in position shown in the figure, as be radix with reading pointer (12) below first digit, by " positive sign " (31) mark, then reading should be: the 10+5=15 millimeter, if with reading pointer (12) top first digit is radix, by " negative sign " (30) mark, then reading should be: the 20-5=15 millimeter.
With reference to Fig. 4; it comprises Magnetic Measurement wheel (seeing right view) and two kinds of structures of non magnetic measuring wheel (seeing left view) measuring wheel (10); the garden side face of Magnetic Measurement wheel is not for there being " pointed tooth " structure (that is non-profile of tooth garden side face); it is to make with permanent-magnet steel or permanent magnet; cover one deck at the Magnetic Measurement wheel surface; protective seam by " non-ferrous metal or nonmetal; stainless steel; titanium and nickel " material formation; between measuring band (9) and Magnetic Measurement being taken turns is a kind of friction gearing that directly contacts; because the magnetic force of Magnetic Measurement wheel is to measuring the adhesive effect that band (9) produces; avoid the generation of sliding phenomenon, thereby guaranteed being synchronized with the movement between the two.Non magnetic measuring wheel is meant the measuring wheel made from stainless steel, aluminium, carbon steel, non-ferrous metal and nonmetallic materials, it comprises toothed wheel (that is Zhejiang burst at the seams profile of tooth) and wears two kinds of structures of pointed tooth α garden week, for example be meshed with pointed tooth α, just can reach and be synchronized with the movement by the aperture δ that measures on the band (9).φ
1The diameter of expression measuring wheel (10), φ
1π=l
1=100S(unit: millimeter).
With reference to Fig. 5, the difference of it and Fig. 1, " digit path D " do not established in the garden side face or the side that just are hundred figure place character wheels (6), thousands digit character wheel (4) and myriabit digit wheel (1), do not assemble simultaneously signal detection head (15) yet, therefore it is simple in structure, but after the outage, the record number scale on the secondary instrument (23) can't keep, and standby power supply must be arranged.
With reference to Fig. 6, the difference of it and Fig. 5, just be not assemble on the main shaft (13) " optical code wheel " (20) or contact code-disc (21) ", it only possesses the function at working site reading directly perceived.
With reference to Fig. 7, it comprises magnetic couple formula shaft coupling and two kinds of structures of rigidity (or elasticity) shaft coupling shaft coupling (11).It mainly is made up of magnetic couple formula shaft coupling cylindricality permanent magnet (38), pressure bearing and seal cover (34), annular permanent magnet (36) and ring-shaped bearing cover parts such as (33).When measuring band (9) when moving with float, driving measuring wheel (10) rotates, measuring wheel (10) drives ring-shaped bearing cover (33) again and annular permanent magnet (36) rotates together, because the effect of magnetic force, cylindricality permanent magnet (38) is along with annular permanent magnet (36) rotates synchronously, and cylindricality permanent magnet (38) is to be fixedly connected with main shaft (13).Pressure bearing and seal cover (34) is to be used to stop that liquid or gas in the container (37) are excessive, thereby magnetic couple formula shaft coupling is specially adapted to the level detection in the high pressure vessel.
With reference to Fig. 8, the difference of it and Fig. 1 is, be assembled with permanent magnet (42) in float (40) inside, float (40) is to move along hollow tubing conductor (39), at an end of measuring band (9) is to connect with magnetic hammer (41), when float (40) during, because the magneticaction of permanent magnet (42), just can drive and measure magnetic that band (9) connects and hammer (41) into shape and be synchronized with the movement with liquid level (25) lifting.Numbering (43) is that fixed cover, (44) are counterbalance spring.
With reference to Fig. 9, the difference of it and Fig. 8 is, is to connect with " constant force spring formula dynamic balance mechanism " (45) at an end of measuring band (9).
With reference to Figure 10, the difference of it and Fig. 8 is, in Weight type dynamic balance mechanism (27), is connected with " compensated chain " (46), and the unit weight of compensated chain (46) equals to measure the twice of band (9) unit weight.
With reference to Figure 11, float (48) is along two conduits (47) lifting, the main shaft (13) that measuring wheel (10) also can drive counter A rotates, and it is again an angle sheave of measuring band (9), and Weight type dynamic balance mechanism (27) and compensated chain (46) are to move up and down in conduit (47).
Weight type dynamic balance mechanism (27) and constant force spring formula dynamic balance mechanism (45) abbreviate dynamic balance mechanism as.
Guiding wire rope (26), hollow tubing conductor (39) and conduit (47), unified be called for short " floater guiding device ".
The utlity model has following characteristics:
The first, the utility model is owing to adopted " the counter A " with unique texture, and it forms one with visual reading and signal output mechanism, compares with traditional separate type, and it is simple in structure, cost is low;
The second, the utility model has been owing to adopted " the counter A " with unique texture, between main shaft (13) and meter wheel (10), pay under the prerequisite of speed change in that multi-stage gear is not set, and realized the target of one millimeter of visual reading resolving power;
The 3rd, " the magnetic couple formula shaft coupling " that the utility model adopts, because of the effect of pressure bearing and seal cover (34), the utility model is specially adapted to the level detection in the high-pressure bottle;
The 4th, " measuring wheel (10) " that the utility model adopted equal the traditional measuring wheel of 100/ π millimeter with diameter and compare, and the moment that its produces is bigger, thus no jam phenomenon with have highly sensitive advantage.
Claims (6)
1, a kind of " float-type counting device liquid level instrument ", it is by float, measure band (claiming driving-belt again), the floater guiding device, angle sheave, critical pieces such as dynamic balance mechanism sum counter are formed, on its " counter " main shaft (13), be assembled with hundred figure place character wheels (6) successively, thousands digit character wheel (4) and myriabit digit wheel (1), decade gear (7) on the dead axle (2) is to mesh with hundred figure place character wheels (6), decade gear (5) is and hundred figure place character wheels (6) and thousands digit character wheel (4) engagement, decade gear (3) is and thousands digit character wheel (4) and myriabit digit wheel (1) engagement, by decade gear (7), (5) and (3) drive hundred figure place character wheels (6), thousands digit character wheel (4) and myriabit digit wheel (1) are done the intermittence of 36 degree and are rotated, and it is characterized in that:
1., on the right side of the hundred figure place character wheels (6) of " counter ", main shaft (13), also assemble a dibit digit wheel (14), the engagement of it and decade gear (7), with main shaft (13) be to be fixedly connected, a side, several " teeth groove G " that are made up of pin tooth P1 and P2 of equidistant placement, number S＞1 of teeth groove G, S at dibit digit wheel (14) are integer, at the garden side face of dibit digit wheel (14), " the graticule K " and corresponding with it " digital F " of M " measuring unit " arranged by the average mint-mark of its girth, M=S, L=0～100 millimeter, f=1 millimeter.
2., go up one " optical code wheel (20) or contact code-disc (21) " of assembling at left side, the main shaft (13) of the myriabit digit wheel (1) of " counter ", be shaped on n bar digit code road, n 〉=1 thereon, and be assembled with and digit path corresponding " signal detection head (18) ".
3., the garden side face or the side of the myriabit digit wheel (1) at " counter ", thousands digit character wheel (4) and hundred figure place character wheels (6), be shaped on X bar digit code road D, X 〉=1 respectively, and be assembled with corresponding " signal detection head (15) with digit path D.”
4., the girth l of measuring wheel (10)
1(unit: millimeter), measuring wheel (10) is to be in same axis with main shaft (13) to=100S, and the draw bail between the two adopts shaft coupling (11).
2, a kind of " float-type counting device liquid level instrument ", it is by float, measure band (claiming driving-belt again), the floater guiding device, angle sheave, critical pieces such as dynamic balance mechanism sum counter are formed, on its " counter " main shaft (13), be assembled with hundred figure place character wheels (6) successively, thousands digit character wheel (4) and myriabit digit wheel (1), decade gear (7) on the dead axle (2) is to mesh with hundred figure place character wheels (6), decade gear (5) is and hundred figure place character wheels (6) and thousands digit character wheel (4) engagement, decade gear (3) is and thousands digit character wheel (4) and myriabit digit wheel (1) engagement, by decade gear (7), (5) and (3) drive hundred figure place character wheels (6), thousands digit character wheel (4) and myriabit digit wheel (1) are done the intermittence of 36 degree and are rotated, and it is characterized in that:
1., right side at the hundred figure place character wheels (6) of " counter ", on the main shaft (13), also assemble a dibit digit wheel (14), it and decade gear (7) mesh, with main shaft (13) be to be fixedly connected, side at dibit digit wheel (14), several " teeth groove G " that form by pin tooth P1 and P2 of equidistant placement, the number S of teeth groove G＞1, S is an integer, garden side face at dibit digit wheel (14), by the average mint-mark of its girth M " measuring unit " " graticule K " and corresponding with it " digital F ", M=S are arranged, L=0～100 millimeter, the f=1 millimeter.
2., go up one " optical code wheel (20) or contact code-disc (21) " of assembling at left side, the main shaft (13) of the myriabit digit wheel (1) of " counter ", be shaped on n bar digit code road, n 〉=1 thereon, and be assembled with and the corresponding " signal detection head (18) of digit path.”
3., the perimeter L of measuring wheel (10)
1=100S(unit: millimeter), measuring wheel (10) is to be in same axis with main shaft (13), and the draw bail between the two adopts shaft coupling (11).
3, a kind of " float-type counting device liquid level instrument ", it is by float, measure band (claiming driving-belt again), the floater guiding device, angle sheave, critical pieces such as dynamic balance mechanism sum counter are formed, on its " counter " main shaft (13), be assembled with hundred figure place character wheels (6) successively, thousands digit character wheel (4) and myriabit digit wheel (1), decade gear (7) on the dead axle (2) is to mesh with hundred figure place character wheels (6), decade gear (5) is and hundred figure place character wheels (6) and thousands digit character wheel (4) engagement, decade gear (3) is and thousands digit character wheel (4) and myriabit digit wheel (1) engagement, by decade gear (7), (5) and (3) drive hundred figure place character wheels (6), thousands digit character wheel (4) and myriabit digit wheel (1) are done the intermittence of 36 degree and are rotated, and it is characterized in that:
1., right side at the hundred figure place character wheels (6) of " counter ", on the main shaft (13), also assemble a dibit digit wheel (14), it and decade gear (7) mesh, with main shaft 13 be to be fixedly connected, side at dibit digit wheel (14), several " teeth groove G " that form by pin tooth P1 and P2 of equidistant placement, the number S of teeth groove G＞1, S is an integer, garden side face at dibit digit wheel (14), by the average mint-mark of its girth M " measuring unit " " graticule K " and corresponding with it " digital F ", M=S are arranged, L=0～100 millimeter, the f=1 millimeter.
2., the perimeter L of measuring wheel (10)
1=100S(unit: millimeter), measuring wheel (10) is to be in same axis with main shaft (13), and the draw bail between the two adopts shaft coupling (11).
4,, it is characterized in that also assembling the mark that a reading pointer (12) and mint-mark have " positive sign " (31) and " negative sign " (30) according to claim 1 or 2,3 said " float-type counting device liquid level instrument ".
5, according to claim 1 or 2,3 said " float-type counting device liquid level instrument "; it is characterized in that measuring wheel (10); it comprises " magnetic and non magnetic " two kinds of structures; the Magnetic Measurement wheel is to make with permanent-magnet steel (or permanent magnet); by " non-ferrous metal or nonmetal, stainless steel, titanium and the nickel " protective seam that material constitutes, the garden side face of Magnetic Measurement wheel is not for there being " pointed tooth " structure at surface coverage one deck of Magnetic Measurement wheel.
6, according to claim 1 or 2,3 said " float-type counting device liquid level instrument ", it is characterized in that shaft coupling (11), it comprises " magnetic couple formula shaft coupling " and two kinds of structures of rigidity (or elasticity) shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94206404 CN2190290Y (en) | 1994-03-15 | 1994-03-15 | Digital float level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94206404 CN2190290Y (en) | 1994-03-15 | 1994-03-15 | Digital float level meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2190290Y true CN2190290Y (en) | 1995-02-22 |
Family
ID=33825019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94206404 Expired - Fee Related CN2190290Y (en) | 1994-03-15 | 1994-03-15 | Digital float level meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2190290Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052949B (en) * | 2009-11-07 | 2012-08-08 | 上海方龙流量校验设备制造有限公司 | Digital display standard metal measuring apparatus for continuous measurement |
| WO2015043506A1 (en) * | 2013-09-26 | 2015-04-02 | 江苏多维科技有限公司 | Multiturn pulley liquid level sensor device |
| CN104535138A (en) * | 2014-11-18 | 2015-04-22 | 华北有色工程勘察院有限公司 | Water level observation system for achieving automatic detection |
| CN105752867A (en) * | 2016-05-13 | 2016-07-13 | 长江水利委员会水文局长江口水文水资源勘测局 | Electric hydrographic winch |
-
1994
- 1994-03-15 CN CN 94206404 patent/CN2190290Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052949B (en) * | 2009-11-07 | 2012-08-08 | 上海方龙流量校验设备制造有限公司 | Digital display standard metal measuring apparatus for continuous measurement |
| WO2015043506A1 (en) * | 2013-09-26 | 2015-04-02 | 江苏多维科技有限公司 | Multiturn pulley liquid level sensor device |
| US9952085B2 (en) | 2013-09-26 | 2018-04-24 | MultiDimension Technology Co., Ltd. | Multiturn pulley liquid level sensor device |
| CN104535138A (en) * | 2014-11-18 | 2015-04-22 | 华北有色工程勘察院有限公司 | Water level observation system for achieving automatic detection |
| CN104535138B (en) * | 2014-11-18 | 2015-08-26 | 华北有色工程勘察院有限公司 | A kind of water-level observation system realizing automatically detecting |
| CN105752867A (en) * | 2016-05-13 | 2016-07-13 | 长江水利委员会水文局长江口水文水资源勘测局 | Electric hydrographic winch |
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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 |