CN2056248U - Suspended liquid specific buoyancy meter - Google Patents
Suspended liquid specific buoyancy meter Download PDFInfo
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- CN2056248U CN2056248U CN 89215847 CN89215847U CN2056248U CN 2056248 U CN2056248 U CN 2056248U CN 89215847 CN89215847 CN 89215847 CN 89215847 U CN89215847 U CN 89215847U CN 2056248 U CN2056248 U CN 2056248U
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- liquid
- floating degree
- meter
- floating
- degree
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Abstract
The utility model relates to a suspended liquid specific buoyancy meter, belonging to the degree of liquid buoyancy (or called specific buoyancy which is the liquid buoyancy of unit volume) measuring tool. The utility model is characterized in that a set of scales for measuring liquid specific buoyancy is added on the existing dynamometer having a proper range; a counterweight matched with the suspended liquid specific buoyancy meter is suspended at the lower part of the dynamometer; the gravity of the counterweight is required to be greater than or equal to the maximum specific buoyancy of the predicted liquid; the upper part of the original dynamometer is provided with an adjusting knob used for the zero adjustment; a resistance changing system is connected to the readout indicating component of the original dynamometer; the mechanical displacement of the specific buoyancy signal is converted into the variation of the electrical signal, and then the telex measurement for the electrical signal is carried out by a voltage conversion display device. The difference value of the specific buoyancy of two liquid can be measured by the suspended liquid specific buoyancy meter.
Description
Suspended liquid specific buoyancy meter belongs to the survey tool of the floating degree of liquid (or claim than floating, i.e. unit volume liquid buoyancy).
The survey tool of the floating degree of existing liquid has B and balance-type type severe meter.The shortcoming of using B to measure the floating degree of liquid is: can only measure the floating degree of top layer liquid, floating degree that can not depth measurement portion liquid 1.; 2. be the directrix value of reading with the liquid level, observe inconvenience, be not suitable for on-the-spot directly measurement; 3. carry and use inconvenience, fragile.Use balance-type type liquid severe meter can directly survey the floating degree of liquid, its shortcoming is: can only measure the floating degree of plastic fluid, and the floating degree of the nonplastic liquid of energy measurement not 2. is difficult for carrying out the measurement of the floating degree of deep liquid (or severe) 1.; 3. can not carry out continuous coverage; 4. carry inconvenience, complicated operation.
The purpose of this utility model is to increase corresponding counterweight and display system on the basis of existing dynamometer, makes it to realize following function: 1. can measure all liq except high-temp liquid (such as molten iron); 2. can measure the proportion of plastic fluid; 3. the floating degree of liquid can fathom; 4. can carry out continuous measurement, realize remote measurement; 5. can carry out the measurement of the floating degree difference of two parts liquid.
Technical solution of the present utility model is to increase the scale that a cover is measured the floating degree of liquid at the existing dynamometer with suitable range, pass through counterweight suitable with floating the degree meter of messenger wire hanging in the dynamometer bottom, the severe of this counterweight is greater than or equals to predict the floating degree of maximum of liquid, on former dynamometer top an adjusting knob is installed, is used as zeroing.The formulation of floating degree meter scale is: according to counterweight and the aerial gross weight of messenger wire, making floating degree at dynamometer is zero graduation mark, when testing in 4 ℃ of pure water according to this counterweight again, it is 1 scale that floating degree is made in the position of directrix or pointer, make the graduation mark of floating degree 2, floating degree 3...... with the same intervals of 0 to 1 scale, again according to the calibrated dial between each integer scale of marking of needed accuracy equalization.Characteristics of the present utility model also are to connect the variable resistance system at the value of the reading indicating device of former dynamometer, with floating variation of spending the mechanical displacement conversion signal of telecommunication of signal, carry out fax by the voltage transitions display unit and measure.Can also measure its floating degree difference for two kinds of liquid, it is characterized in that connecting respectively rectification circuit at two rheostatic outputs, signal after the rectification is sent into respectively two groups of coils, two coils are fixed on the same table axle, and the corresponding two groups of magnets of stator of difference, 180 ℃ of centres of (the N utmost point and the S utmost point) position mutual deviation, the two poles of the earth of two groups of magnet separate with NULL, table axle (24) links to each other with the indicator of floating degree difference meter, the dial plate of floating degree difference meter is marked with the scale suitable with the floating degree of liquid difference measurements, the centre is 0 value graduation mark, and both sides are respectively positive difference and negative difference.
The utility model has the advantages that: 1. utilize existing dynamometer to make and be somebody's turn to do floating degree meter, two kinds of functions have both at the same time, and make simply, and cost is low, and is easy to carry, and the value of reading is accurate; 2. overcome existing B and balance-type type and read the shortcoming of the floating degree of instrumentation quantity of fluid again, can measure all liq except that high-temp liquid (as molten iron), and can measure the proportion of plastic fluid; 3. can measure the floating degree of deep liquid; 4. can carry out the fax continuous coverage, realize floating degree measurement robotization; 5. the floating degree that can survey two kinds of liquid is poor, if adopt electric pulse as measuring-signal, can also make the digital display system of the floating degree difference of two kinds of liquid, further improves automatization level.
Description of drawings:
Accompanying drawing 1 and accompanying drawing 2 have been represented the external structure and the principle of work of tubular type and the floating degree meter of expression respectively, wherein: the 1-drop handle; The 2-adjusting knob; The 3-shell; 4-surveys the pulling force scale; The 5-directrix; 6-surveys floating degree scale; The 7-expansion link; The 8-hook; The 9-messenger wire; The 10-liquid level; The 11-counterweight; The 12-drop handle; The 13-watchcase; The 14-adjusting knob; The 15-indicator; 16-shows axle; 17-surveys floating degree scale; 18-surveys the pulling force scale; The 19-expansion link; The 20-articulation; The 21-hook.
Accompanying drawing 5 has represented the another kind of schematic diagram of the two kinds of floating degree difference of liquid fax continuous measurements.
Narrate embodiment of the present utility model below in conjunction with accompanying drawing: as shown in Figure 1: floating degree meter and dynamometer unite two into one, has the dual-use function of measuring the floating degree of liquid and measuring pulling force (or weight of object), this device top has drop handle (1) to be used for portable or hangs in position, adjusting knob (2) is upper to be connected with drop handle, be connected with spiral screw thread with shell (3) down, the middle part is connected with expansion link (7) with spring element, like this, when in air, mentioning counterweight, utilizing adjusting knob directrix (5) can be transferred to floating degree is 0 position, measure rule (6) the on the left side delegation of floating degree, the symbol " g/cm of bottom
3" for floating unit of spending, identical with the unit of severe.Measure the heavy dynamometry rule (4) of pulling force or thing delegation on the right, the symbol of bottom " kg " is a unit of force.During dynamometry, with the rule on the right, will directly measure or weighing with hook (8) after the directrix zeroing; Measure when liquid is floating spends, rule with the left side, the counterweight (11) of in air, slinging, after the directrix zeroing, below counterweight hanging immersed in liquid level (10), the counterweight with designated volume is subjected to corresponding buoyancy, this buoyancy makes the expansion link corresponding displacement of retracting, directrix on the expansion link is also just pointed to corresponding floating degree scale value, thereby measures rapidly the floating degree of liquid, the operation principle of the floating degree meter of tubular type that Here it is.When needing floating the spending of measurement deep liquid, only need lengthening hanging line to get final product, but the hanging line is enough thin, not influence measuring accuracy.In the time of need to carrying out continuous measurement, the appropriate location that only needs drop handle to be suspended on the liquid top gets final product.
In accompanying drawing 2, the floating degree meter of tabular form liquid and dynamometer also unite two into one, achieved function and tubular type identical.Its adjusting knob (14) links to each other with dial plate by gear, during zeroing, rotates dial plate by adjusting knob, and 0 value of scale of buoyancy or 0 value of surveying the pulling force scale are coincide with pointer (15), survey liquid float spend identical with accompanying drawing 1 with the zeroing step of dynamometry.Measuring method is also identical.The principle of work of the floating degree meter of tabular form liquid is: when counterweight is subjected to buoyancy in liquid, expansion link (19) the corresponding displacement of withdrawing, the displacement of expansion link makes the table axle rotate corresponding angle by gear, and drives the floating accordingly degree value of pointed.In accompanying drawing 2, the inside scale of dial plate is the dynamometry scale, and unit is kg; Outside scale is for measuring the scale of the floating degree of liquid, and unit is g/cm
3If the dynamometer ranging is when 0-500kg, floating degree instrumentation journey is 0-10g/cm
3, the volume of its counterweight is 10
3-10
9Mm
3, weight is 1-10
7G, severe is 0.1-11g/cm
3
The technical solution that realizes the fax continuous measurement of the floating degree of liquid is the value of the reading indicating device at floating degree meter, i.e. the expansion link H of the floating degree meter of tubular type
A, the floating degree meter of tabular form pointer H
BOn be connected to slide rheostat R
AOr R
BSliding contact a or b, work as H
AOr (H
B) when mechanical displacement takes place, R
A(R
B) voltage at two ends namely changes, and shows meter V
A(V
B) from R
A(R
B) two ends taking-up signal, show the floating degree of liquid through gauge transformation.Display (V
A, V
B) can select a A.C. voltmeter for use with suitable range, and adapt to the floating degree value scale that this floating degree meter becomes the resistance system with increasing by a cover on its dial plate, the regulatory function on the A.C. voltmeter can realize the zeroing before the floating degree of liquid is measured.This display can be placed on observation ward or other desirable position, and in parallel with two output terminals with the floating degree meter of the liquid that becomes the resistance system with lead, when this floats the degree meter with power connection, just can realize the fax continuous coverage.
Accompanying drawing 4 and accompanying drawing 5 have all represented suspended liquid specific buoyancy meter in a kind of new expanded application that realizes on the fax continuous measurement basis, namely realize the floating difference of spending of two parts liquid is carried out the fax continuous measurement.
In accompanying drawing 4, R
1And R
2Represent respectively the variable resistance system of No. 1 and No. 2 floating degree meter of liquid, they are connected on the power supply parallel with one anotherly, and the coil of display has two groups, respectively with R
1And R
2Parallel connection, and the rectifier ZL that respectively connects
1And ZL
2, two groups of coils are fixed on the same table axle, and these two groups of coils are corresponding two groups of magnets of stator respectively, and 180 ° of the two poles of the earth of these two groups of magnet (the N utmost point and the S utmost point) position mutual deviations, and two groups of magnet are separated by NULL, to prevent mutual interference.When the floating degree of being surveyed when the floating degree meter of No. 1 and No. 2 of liquid changes, R
1And R
2The voltage at two ends will change, R
1And R
2The alternating voltage that two ends change passes through ZL
1And ZL
2After the rectification, become DC voltage, be added in the two ends of two groups of coils respectively, under the interaction in magnetic field, two coils all are subjected to deflection force, because the magnetic pole of two groups of magnet is reverse each other, so the suffered deflection force of two coils is opposite, again since two coil stationary on same table axle, so, the table axle is gone up the difference that suffered deflection force is actually the suffered deflection force of two coils, because this table axle is limited by flexible member, so, varying in size of its suffered deflection force, the angle of institute's deflection are also just different; Positive and negative (when artificially stipulating the suffered deflection force of certain coil greater than the suffered deflection force of another coil, its difference is being for just, otherwise for negative) difference of the suffered deflection force difference of two coils, the direction of table axle deflection is also just different.Dial plate is marked with and the suitable scale of liquid floating degree difference measurements, and the centre is " 0 " value scale mark, and 0 scale mark both sides are respectively the scales of positive difference and negative difference.When the floating degree of No. 1 floating degree meter of the liquid liquid of surveying floats floating the spending of the degree meter liquid of surveying greater than No. 2 liquid, R
1The alternating voltage at two ends will be greater than R
2The alternating voltage at two ends, the DC voltage at Line 1 circle two ends will be greater than the DC voltage at No. 2 coil two ends, like this, the suffered deflecting force of Line 1 circle will be greater than No. 2 suffered deflecting forces of coil, its difference is shown axle and is subjected to positive deflection power for just, drives the positive deflection of the axial scale of table, and point out that two parts liquid floats the size of the positive difference of degree, otherwise then anti-.The technical solution of accompanying drawing 4 can be improved on the architecture basics of the D.C. voltmeter with suitable range, promptly on the table axle, increase by one group of coil and magnetic pole of the stator, the placement direction of this magnetic pole is opposite with the placement direction of original magnetic pole, the centre is separated by with NULL, the table axle is gone up increases by a cover flexible member, and become opposite force with former flexible member, dial scale adapts to the requirement of the floating degree difference measurements demonstration of two parts liquid, have adjusting resistance in the table, realize that by the adjusting knob of outside two floating degree meters make indicator point to 0(and promptly return to zero under the same test condition), like this, the poor display of floating degree has just produced.In addition, on floating degree difference display or other position, warning lamp and alarm bell can also be set, when unallowed situation appears in floating degree difference, report to the police, come into the picture, to take the adjustment measure.
Having represented in accompanying drawing 5 matchmakes to be situated between with electric pulse carries out the fax continuous measurement of the floating degree of two parts liquid poor (principal-employment and minus tolerance), and its operation principle is because the variation of the floating degree of two parts liquid, cause floating degree count in the R of variable resistance system
1And R
2The variation of both end voltage is sent the voltage of two variations into impulse generator, and carries out subtraction process therein, the output pulse difference, this pulse difference is passed through memory, pulse digit converter, the last floating degree difference that demonstrates two parts liquid on display with the form of numeral.Equally, this digit pulse system has governor motion, to realize measuring front zeroing.It is with R that its technology solves division
1And R
2The voltage at two ends is added on the pulse producer, and the regulating impulse generator carries out subtraction process, and the output pulse difference, this pulse difference is after memory stores, enter pulse-digital quantizer and be converted to digit pulse, and be input to display, and the form with numeral shows on display.
Same principle of work and technical solution utilize the principle of digit pulse can finish the fax continuous coverage of the floating degree of the sort of folk prescription liquid as shown in Figure 3, just the floating degree meter of liquid are become the resistance R of system
AOr R
BThe voltage at two ends is added in separately on the pulse producer and (should returns to zero earlier before measuring), by pulse producer output electric pulse (rather than pulse difference), and by storage and digital conversion, on display, demonstrate the floating degree value (rather than floating degree difference) of folk prescription liquid, thereby realize the fax continuous coverage of the floating degree of liquid of digit pulse formula.
Realize best way of the present utility model: 1. comprehensive utilization has simple technology and technology now; 2. ask the precision that improves floating degree meter making upper stress, like this, not only accurate measurement result can also suitably reduce the volume and weight that floating degree is counted counterweight.If adopt the fax continuous coverage, also need adopt highly sensitive element; 3. regulatory function is set, so that before measurement, return to zero; 4. improve the manufacturing accuracy of floating degree meter counterweight, and along with reducing of its volume, precision is wanted corresponding raising, as the material of making counterweight, liquid impermeable, the contraction of not expanding, have suitable severe, be difficult for breaking deformation and corrosion-resistant, as: iron, copper, aluminium, and should make various suitable shapes according to different measurement environment, as: cylindrical; 5. the cross section of hanging line (9) is generally at 0.1-100mm
2, be as the criterion not influence measuring accuracy, enough intensity and toughness be arranged, continuous during with assurance hanging counterweight, and nonelastic, to guarantee accurately to measure the floating degree of liquid of predetermined depth, generally use fine iron chain, steel wire etc.
The floating degree of the liquid of the utility model energy measurement (or severe) is at 0-10g/cm
3Between; The volume of its counterweight is 10
3Mm
3-10
9Mm
3Between; Weight is at 1-10
7Between the g, proportion is between 0.1-11.
Claims (5)
1, a kind of suspended liquid specific buoyancy meter, it is characterized in that increasing the scale that a cover is measured the floating degree of liquid at existing dynamometer, and in the bottom by one of messenger wire hanging with should count suitable counterweight by floating degree, the severe of this counterweight is greater than or equals to predict the floating degree of maximum of liquid, installs one on former dynamometer top and regulates turn-knob.
2, suspended liquid specific buoyancy meter according to claim 1, the formulation that it is characterized in that floating degree meter scale is: according to counterweight and the aerial gross weight of messenger wire, making floating degree at dynamometer is zero graduation mark, when testing in 4 ℃ of pure water according to this counterweight again, it is 1 scale that floating degree is made in the position of directrix or pointer, make the graduation mark of floating degree 2, floating degree 3...... with the same intervals of 0 to 1 scale, again according to the calibrated dial between each integer scale of marking of needed accuracy equalization.
3, the floating degree meter of suspension type liquid according to claim 1 and 2, when the ranging that it is characterized in that used dynamometer was 0__500kg, the ranging of floating degree meter was 0__10kg/cm, and the volume of its counterweight is 10mm__10mm, weight is 1g__10g, and severe is 0.1__11g/cm.
4, suspended liquid specific buoyancy meter according to claim 3, it is characterized in that the value of the reading indicating device at floating degree meter, the expansion link H, the tabular form that are the floating degree meter of tubular type float sliding contact a or the b that is connected to slide rheostat R or R on the pointer H that spends meter, in when, as H or (H) mechanical displacement taking place, R(R) voltage at two ends namely changes, show meter V(V) from R(R) two ends taking-up signal, show the floating degree of liquid through gauge transformation.
5, suspended liquid specific buoyancy meter according to claim 4, it is characterized in that the measurement for the floating degree difference of two kinds of liquid is at two rheostat R, the output of R is connected to respectively ZL and ZL rectification circuit, signal after the rectification is sent into respectively two groups of coils, two groups of coils are fixed on the same table axle (24), these two groups of coils are corresponding two groups of magnets of stator respectively, 180 ℃ of the two poles of the earth of two groups of magnet (the N utmost point and the S utmost point) position mutual deviations, the centre separates with NULL, table axle (24) links to each other with the indicator of floating degree difference meter, the dial plate of floating degree difference meter is marked with the scale suitable with the floating degree of liquid difference measurements, the centre is 0 value graduation mark, and both sides are respectively positive difference and negative difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89215847 CN2056248U (en) | 1989-09-02 | 1989-09-02 | Suspended liquid specific buoyancy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89215847 CN2056248U (en) | 1989-09-02 | 1989-09-02 | Suspended liquid specific buoyancy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2056248U true CN2056248U (en) | 1990-04-18 |
Family
ID=4871360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89215847 Withdrawn CN2056248U (en) | 1989-09-02 | 1989-09-02 | Suspended liquid specific buoyancy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2056248U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568678A (en) * | 2016-10-14 | 2017-04-19 | 李晨天 | Micro movement hammer liquid density meter based on end dynamic data analysis technology |
| CN110118704A (en) * | 2019-04-17 | 2019-08-13 | 昆明理工大学 | Different water levels are lauched the device and method with landwaste mixture density in a kind of measurement blasthole |
| CN114280980A (en) * | 2021-11-30 | 2022-04-05 | 宁波普瑞均胜汽车电子有限公司 | Method and device for identifying odor type of automobile fragrance block |
-
1989
- 1989-09-02 CN CN 89215847 patent/CN2056248U/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568678A (en) * | 2016-10-14 | 2017-04-19 | 李晨天 | Micro movement hammer liquid density meter based on end dynamic data analysis technology |
| CN106568678B (en) * | 2016-10-14 | 2020-12-29 | 李晨天 | Micro-motion hammer liquid densimeter based on tail end dynamic data analysis technology |
| CN110118704A (en) * | 2019-04-17 | 2019-08-13 | 昆明理工大学 | Different water levels are lauched the device and method with landwaste mixture density in a kind of measurement blasthole |
| CN114280980A (en) * | 2021-11-30 | 2022-04-05 | 宁波普瑞均胜汽车电子有限公司 | Method and device for identifying odor type of automobile fragrance block |
| CN114280980B (en) * | 2021-11-30 | 2024-03-12 | 宁波普瑞均胜汽车电子有限公司 | Identification method and device for odor types of automobile aromatherapy blocks |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |