CN107607137A - A kind of buoyancy trimming system and its manufacture method and application - Google Patents
A kind of buoyancy trimming system and its manufacture method and application Download PDFInfo
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- CN107607137A CN107607137A CN201711032661.2A CN201711032661A CN107607137A CN 107607137 A CN107607137 A CN 107607137A CN 201711032661 A CN201711032661 A CN 201711032661A CN 107607137 A CN107607137 A CN 107607137A
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- 238000009966 trimming Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 194
- 238000007667 floating Methods 0.000 claims description 4
- 230000008030 elimination Effects 0.000 abstract description 2
- 238000003379 elimination reaction Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 30
- 230000007613 environmental effect Effects 0.000 description 17
- 239000000463 material Substances 0.000 description 9
- 239000012530 fluid Substances 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
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- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
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Abstract
The invention discloses a kind of buoyancy trimming system and its manufacture method and application, including lever group, with buoyant tank group and measurement tank group, it is described to be connected with buoyant tank group with the measurement tank group by the lever group, it is described to be located at the opposite position of torque direction is produced to the lever group with the measurement tank group with buoyant tank group, the measurement tank group and described cancelled out each other with buoyancy caused by buoyant tank group；Manufacture method is to be manufactured using said structure；Above-mentioned buoyancy trimming system can be applied to fields of measurement.Buoyancy trimming system provided by the invention, solve the problems, such as to make the change of measurement tank group buoyancy be difficult to accurate elimination or amendment because surrounding medium density changes, make measurement more accurate.
Description
Technical field
The present invention relates to fields of measurement, and in particular to a kind of buoyancy trimming system.
Background technology
When being measured to some materials, such as measurement of species quality, gravity and flow are, it is necessary to by measurement tank conduct
The supporting body of measured matter, floated if space medium residing for measurement process has in buoyancy, such as air to measurement tank by air
Power, it will be added directly into by buoyancy of water etc., these buoyancy in the value of measurement in water.
In measurement process, if the environmental condition such as hair such as temperature, humidity, pressure changes, Media density can be caused
Change, so as to bring the buoyancy of measurement tank to change, influence the accuracy of measurement result.For example, in atmosphere to gas, liquid and
, it is necessary to detected fluid be carried using measurement tank, if environment temperature, humidity, pressure etc. when process flows carry out mass measurement
Factor changes, and atmospheric density will change, and measures the aerostatic buoyancy of tank and can also change, now measured matter
Value contains the value of aerostatic buoyancy change.
In order to accurately measure measured object quality, variation in buoyancy can be modified, this amendment is situated between by measurement mostly
Parameter, the calculation medium density of matter are realized, but the method for this amendment has larger uncertainty, and it is as follows to analyze its reason：
（1）Generally, it is all irregular geometry to measure tank, and its actual volume is difficult accurately to measure, or measured value is present
Larger uncertainty, buoyancy amendment is carried out using such volume measurement, larger uncertainty is brought to correction result.
（2）During by sensor measures temperature, pressure, humidity etc., because certain uncertainty in itself be present in sensor,
Equally bring the uncertainty of measurement result.
（3）The distribution situation of measurement point also directly affects the measured value of sensor and actual value has differences.
Therefore, existing modification method all can not fundamentally solve environmental condition change, bring the buoyancy change of measurement tank
Uncertain influence during measurement, the uncertainty of measurement result can be larger.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of buoyancy trimming system, eliminates environmental condition and measurement is tied
Influence, makes measurement result more accurate caused by fruit.
The content of the invention is specific as follows：
A kind of buoyancy trimming system, including lever group, with buoyant tank group and measurement tank group, it is described with buoyant tank group with it is described measurement tank group
Connected by the lever group, buoyant tank group and the measurement tank group of matching somebody with somebody is positioned at opposite to lever group generation torque direction
Position, the measurement tank group and described cancelled out each other with buoyancy caused by buoyant tank group.
Further, the lever group, the buoyant tank group and the measurement tank group quantity of matching somebody with somebody are one or more.
Further, the lever group is single-stage lever or multistage-combination lever.
Further, the buoyant tank group and the measurement tank group of matching somebody with somebody is salable tank body.
Further, equation below is met：
,
In formula： V Survey iThe volume of buoyancy is produced after being sealed for ith measurement tank, n is the quantity that tank is measured in the measurement tank group；V With jThe volume of buoyancy is produced after being sealed for j-th with buoyant tank,I jFor j-th of lever ratio for matching somebody with somebody buoyant tank institute bar bar, m matches somebody with somebody to be described
Match somebody with somebody the quantity of buoyant tank in buoyant tank group.
The manufacture method of above-mentioned buoyancy trimming system, buoyant tank group, the measurement tank group and the lever group of matching somebody with somebody use
Following structure manufacture：It is described to be connected with buoyant tank group with the measurement tank group by the lever group, it is described with buoyant tank group and described
Measure tank group and be located at the position opposite to lever group generation torque direction, the measurement tank group and the buoyant tank group of matching somebody with somebody produce
Buoyancy cancel out each other.
Further, the lever group, the buoyant tank group and the measurement tank group quantity of matching somebody with somebody are one or more；The thick stick
Bar group is single-stage lever or multistage-combination lever；The buoyant tank group and the measurement tank group of matching somebody with somebody is salable tank body.
Further, equation below is met：
,
In formula： V Survey iThe volume of buoyancy is produced after being sealed for ith measurement tank, n is the quantity that tank is measured in the measurement tank group；V With jThe volume of buoyancy is produced after being sealed for j-th with buoyant tank,I jFor j-th of lever ratio for matching somebody with somebody buoyant tank institute bar bar, m matches somebody with somebody to be described
Match somebody with somebody the quantity of buoyant tank in buoyant tank group.
Above-mentioned buoyancy trimming system is in the application of fields of measurement, especially mechanical meaurement and the application in thermal measurement field.
A kind of buoyancy trimming system provided by the invention, by that will be measured caused by tank group with buoyant tank group and lever group structure
Buoyancy is offset, and is solved because surrounding medium density changes, and the change of measurement tank group buoyancy is difficult to asking for accurate elimination or amendment
Topic, makes measurement more accurate.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is the structural representation that the embodiment of the present invention 1 provides.
Fig. 2 is the structural representation that the embodiment of the present invention 2 provides.
Fig. 3 is the structural representation that the embodiment of the present invention 3 provides.
Fig. 4 is the structural representation that the embodiment of the present invention 4 provides.
Fig. 5 is the structural representation that the embodiment of the present invention 5 provides.
Fig. 6 is the structural representation that the embodiment of the present invention 6 provides.
Fig. 7 is the structural representation that the embodiment of the present invention 7 provides.
Fig. 8 is the structural representation that the embodiment of the present invention 8 provides.
Embodiment
The exemplary embodiment of the present invention is more fully described below with reference to accompanying drawings.Although the present invention is shown in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here
Limited.Conversely, there is provided these embodiments are to be able to be best understood from the present invention, and can be by the scope of the present invention
Completely it is communicated to those skilled in the art.
A kind of buoyancy trimming system, including lever group, with buoyant tank group and measurement tank group, it is described with buoyant tank group and the measurement
Tank group is connected by the lever group, described to be located at buoyant tank group with the measurement tank group to lever group generation torque direction
Opposite position, the measurement tank group and described cancels out each other with buoyancy caused by buoyant tank group.The fulcrum support of lever group is solid
On the basis of fixed, when environmental condition changes, the density of surrounding medium changes, the buoyancy with buoyant tank group and measurement tank group
All change, and variation tendency is identical, and now because two kinds of tanks are in opposite phase position, their buoyancy change for thick stick
Torque direction caused by lever system is on the contrary, have the function that to cancel out each other.
Further, the lever group, the buoyant tank group and the measurement tank group quantity of matching somebody with somebody are one or more.Pass through examination
Test understand, using a lever construction, one with buoyant tank and one measurement tank i.e. can be achieved the purpose of the present invention, but sometimes by
The limitation of the conditions such as structure, space can also be using multiple lever constructions, multiple with buoyant tank and multiple measurement tanks realize this hair
Bright purpose.By experiment, when measurement tank it is larger when, using multiple lever constructions and it is multiple match somebody with somebody buoyant tank, be distributed in respectively
Measure around tank, the error brought due to surrounding medium density unevenness can be offset, there is more preferable effect.
Further, the lever group is single-stage lever or multistage-combination lever.Single-stage lever simple in construction can be passed through
Power transmission is completed, power transmission can also be carried out using multi-grade lever when needing larger lever ratio.
Further, the buoyant tank group and the measurement tank group of matching somebody with somebody is salable tank body.It is filled with or discharges to measurement tank group
When gas, liquid and process flows, tank body is opened, fills drained sealed shell of tank.Can be as measurement tank group with buoyant tank group, being can
Open salable tank body or sealed shell of tank can not be opened.
Further, the buoyancy trimming system meets equation below：
,（1）
Formula（1）In： V Survey iThe volume of buoyancy is produced after being sealed for ith measurement tank, n is to measure tank in the measurement tank group 4
Quantity；V With jThe volume of buoyancy is produced after being sealed for j-th with buoyant tank,I jFor j-th of lever ratio for matching somebody with somebody buoyant tank institute bar bar, m is
It is described to match somebody with somebody the quantity for matching somebody with somebody buoyant tank in buoyant tank group 5.
Because buoyancy calculations formula is：
And the scalar formula of equalising torque is：
For lever construction,As lever construction lever ratioI。
Due to measurement when, it is described measurement tank group with it is described be in buoyant tank group in the same space, so it is believed that density p with
Gravity acceleration g is equal, so can obtain the measurement tank group and the equalising torque formula with the change of buoyant tank group buoyancy
For formula（1）It is shown.
When meeting formula with buoyant tank group volume and lever group structure lever ratio（1）When, when environmental condition changes Jie brought
During matter variable density, torque equal direction caused by buoyant tank group and measurement tank group is matched somebody with somebody on the contrary, can in lever group structure both ends
To cancel out each other completely.
It is same it is to be understood that with buoyant tank group when surrounding medium density changes, produce buoyancy and change, pass through lever group
Power of the structure function in measurement tank group, change with measurement tank group buoyancy caused by surrounding medium density changes, size phase
Deng in opposite direction, the measurement tank buoyancy change caused by surrounding medium density changes is eliminated so as to reach.
The manufacture method of above-mentioned buoyancy trimming system, buoyant tank group, the measurement tank group and the lever group of matching somebody with somebody use
Following structure manufacture：It is described to be connected with buoyant tank group with the measurement tank group by the lever group, it is described with buoyant tank group and described
Measure tank group and be located at the position opposite to lever group generation torque direction, the measurement tank group and the buoyant tank group of matching somebody with somebody produce
Buoyancy cancel out each other.The lever group, the buoyant tank group and the measurement tank group quantity of matching somebody with somebody are one or more.The lever
Group is single-stage lever or multistage-combination lever.The buoyant tank group and the measurement tank group of matching somebody with somebody is salable tank body.Meet following public
Formula：, in formula： V Survey iThe volume of buoyancy is produced after being sealed for ith measurement tank, n is institute
State the quantity that tank is measured in measurement tank group；V With jThe volume of buoyancy is produced after being sealed for j-th with buoyant tank,I jMatch somebody with somebody buoyant tank for j-th
The lever ratio of institute's bar bar, m are the quantity matched somebody with somebody and match somebody with somebody buoyant tank in buoyant tank group.
Above-mentioned buoyancy trimming system is in the application of fields of measurement, especially mechanical meaurement and the application in thermal measurement field.
In mechanical meaurement and thermal measurement field, the measurement for fluid mass and flow.By it is described measurement tank group with
Measuring system（Such as balance, claim）Be connected, to measurement tank group in be filled with fluid, by measure it is described measurement tank group be filled with fluid before
Quality difference value afterwards, you can obtain fluid mass, then the product of time is filled with by quality and fluid, you can obtain flow.
A kind of buoyancy trimming system of embodiment 1
As shown in figure 1, a kind of buoyancy trimming system, including lever group 1, with buoyant tank group 5 and measurement tank group 4, it is described to match somebody with somebody buoyant tank group 5
It is connected with the measurement tank group 4 by the lever group 1, it is described to be located at buoyant tank group 5 with the measurement tank group 4 to the lever
Group 1 produces the opposite position of torque direction, the measurement tank group 4 and described is cancelled out each other with buoyancy caused by buoyant tank group 5.This reality
Apply in example, the measurement tank group 4 of use is made up of a measurement tank, is formed with buoyant tank group 5 by one with buoyant tank, lever group 1 is by one
Individual single-stage bascule forms lever construction, and measurement tank with hanging on lever construction both sides respectively with buoyant tank.With buoyant tank and measurement
Tank is salable tank body.The lever ratio of basculeIFor 1, formula is brought into（1）Middle n=1, m=1, are obtained：Volume with buoyant tankV Match somebody with somebody=
Measure tank volumeV Survey.In embodiment 1, when environmental condition changes, change with the buoyant tank buoyancy equal with measurement tank generation,
By leverage, buoyancy change is cancelled out each other so that during by measuring material mass in measurement tank, is not changed by environmental condition
The influence of the aerostatic buoyancy change brought.
A kind of buoyancy trimming system of embodiment 2
As shown in Fig. 2 a kind of buoyancy trimming system, including lever group 1, with buoyant tank group 5 and measurement tank group 4, it is described to match somebody with somebody buoyant tank group 5
It is connected with the measurement tank group 4 by the lever group 1, it is described to be located at buoyant tank group 5 with the measurement tank group 4 to the lever
Group 1 produces the opposite position of torque direction, the measurement tank group 4 and described is cancelled out each other with buoyancy caused by buoyant tank group 5.This reality
Apply in example, the measurement tank group 4 of use is made up of a measurement tank, is formed with buoyant tank group 5 by one with buoyant tank, lever group 1 is by one
Individual single-stage bascule forms lever construction, and measurement tank with being placed in above lever construction both sides respectively with buoyant tank.With buoyant tank and
Measurement tank is salable tank body.The lever ratio of basculeIFor 1, formula is brought into（1）Middle n=1, m=1, are obtained：Body with buoyant tank
ProductV Match somebody with somebody=measurement tank volumeV Survey.In the present embodiment, when environmental condition changes, with buoyant tank with measurement tank generations it is equal float
Power changes, and by leverage, buoyancy change is cancelled out each other so that during by measuring material mass in measurement tank, not by environment
Condition changes the influence of the aerostatic buoyancy change brought.
A kind of buoyancy trimming system of embodiment 3
As shown in figure 3, a kind of buoyancy trimming system, including lever group 1, with buoyant tank group 5 and measurement tank group 4, it is described to match somebody with somebody buoyant tank group 5
It is connected with the measurement tank group 4 by the lever group 1, it is described to be located at buoyant tank group 5 with the measurement tank group 4 to the lever
Group 1 produces the opposite position of torque direction, the measurement tank group 4 and described is cancelled out each other with buoyancy caused by buoyant tank group 5.This reality
Apply in example, the measurement tank group 4 of use is made up of a measurement tank, is formed with buoyant tank group 5 by one with buoyant tank, lever group 1 is by one
Individual single-stage multiplying lever forms lever construction, and measurement tank with hanging on lever construction both sides respectively with buoyant tank.With buoyant tank and survey
Measuring tank is salable tank body.The lever ratio of multiplying leverIFor 1:2, bring formula into（1）Middle n=1, m=1, are obtained：With buoyant tank
Volume meets with measurement tank volume：V Survey=V Match somebody with somebody*2.In the present embodiment, when environmental condition changes, with buoyancy caused by buoyant tank
Change and the buoyancy change of measurement tank meet：, the buoyancy with buoyant tank, which changes, passes through lever construction work
It is with the power on measurement tank：, its size and the buoyancy of measurement tank changeIt is equal in magnitude in opposite direction,
Cancel out each other so that during by measuring material mass in measurement tank, do not changed what the aerostatic buoyancy brought changed by environmental condition
Influence.
A kind of buoyancy trimming system of embodiment 4
As shown in figure 4, a kind of buoyancy trimming system, including lever group 1, with buoyant tank group 5 and measurement tank group 4, it is described to match somebody with somebody buoyant tank group 5
It is connected with the measurement tank group 4 by the lever group 1, it is described to be located at buoyant tank group 5 with the measurement tank group 4 to the lever
Group 1 produces the opposite position of torque direction, the measurement tank group 4 and described is cancelled out each other with buoyancy caused by buoyant tank group 5.This reality
Apply in example, the measurement tank group 4 of use is made up of a measurement tank, is formed with buoyant tank group 5 by one with buoyant tank, lever group 1 is by one
Individual single-stage multiplying lever forms lever construction, and measurement tank hangs on lever construction side, is connected in a position-stable manner with buoyant tank
Lever construction opposite side.It is salable tank body with buoyant tank and measurement tank.The lever ratio of multiplying leverIFor 1:2, bring formula into
（1）Middle n=1, m=1, are obtained：Volume with buoyant tank meets with measurement tank volume：V Survey=V Match somebody with somebody*2.In the present embodiment, environmental condition
When changing, the buoyancy with buoyancy change caused by buoyant tank and measurement tank, which changes, to be met：, match somebody with somebody
The buoyancy of buoyant tank changes the power acted on by lever construction on measurement tank：, its size is with measuring the floating of tank
Power changesIt is equal in magnitude in opposite direction, cancel out each other so that during by measuring material mass in measurement tank, not by environment
Condition changes the influence of the aerostatic buoyancy change brought.
A kind of buoyancy trimming system of embodiment 5
As shown in figure 5, a kind of buoyancy trimming system, including lever group 1, with buoyant tank group 5 and measurement tank group 4, it is described to match somebody with somebody buoyant tank group 5
It is connected with the measurement tank group 4 by the lever group 1, it is described to be located at buoyant tank group 5 with the measurement tank group 4 to the lever
Group 1 produces the opposite position of torque direction, the measurement tank group 4 and described is cancelled out each other with buoyancy caused by buoyant tank group 5.This reality
Apply in example, the measurement tank group 4 of use is made up of a measurement tank, is formed with buoyant tank group 5 by three with buoyant tank, lever group 1 is by three
Individual single-stage multiplying lever forms lever construction, and measurement tank hangs on lever construction side, lever construction is hung on buoyant tank 5-1
1-1 opposite sides, lever construction 1-2 opposite sides are hung on buoyant tank 5-2, and lever construction 1-3 opposite sides are hung on buoyant tank 5-3.
It is salable tank body with buoyant tank and measurement tank.The lever ratio of three multiplying leversIAll it is 1:2, bring formula into（1）Middle n=1, m=
3, obtain：Volume with buoyant tank meets with measurement tank volume：V Survey=V With 1*2+ V With 2*2+ V With 2*2.In the present embodiment, environment bar
When part changes, the buoyancy with buoyancy change caused by buoyant tank and measurement tank, which changes, to be met：, with buoyant tank buoyancy change pass through lever construction
Acting on the power measured on tank is：, its size is with measuring tank
Buoyancy changesIt is equal in magnitude in opposite direction, cancel out each other so that during by measuring material mass in measurement tank, not by ring
Border condition changes the influence of the aerostatic buoyancy change brought.
A kind of buoyancy trimming system of embodiment 6
As shown in fig. 6, a kind of buoyancy trimming system, including lever group 1, with buoyant tank group 5 and measurement tank group 4, it is described to match somebody with somebody buoyant tank group 5
It is connected with the measurement tank group 4 by the lever group 1, it is described to be located at buoyant tank group 5 with the measurement tank group 4 to the lever
Group 1 produces the opposite position of torque direction, the measurement tank group 4 and described is cancelled out each other with buoyancy caused by buoyant tank group 5.This reality
Apply in example, the measurement tank group 4 of use is made up of a measurement tank, is formed with buoyant tank group 5 by one with buoyant tank, lever group 1 is by one
Individual two-stage lever forms lever construction, and measurement tank with hanging on lever construction both sides respectively with buoyant tank.It is with buoyant tank and measurement tank
Salable tank body.The lever ratio of primary lever 2 is 1:2, the lever ratio of second lever 3 is：1:2, total lever ratio of two-stage leverIFor 1:
4, bring formula into（1）Middle n=1, m=1, are obtained：Volume with buoyant tank meets with measurement tank volume：V Survey=V Match somebody with somebody*4.In the present embodiment
In, when environmental condition changes, the buoyancy with buoyancy change caused by buoyant tank and measurement tank, which changes, to be met：, with buoyant tank buoyancy change by lever construction act on measure tank on power be：, its size and the buoyancy of measurement tank changeIt is equal in magnitude in opposite direction, cancel out each other so that pass through survey
When measuring material mass in measuring tank, not changed the aerostatic buoyancy change brought by environmental condition is influenceed.
A kind of buoyancy trimming system of embodiment 7
As shown in fig. 7, a kind of buoyancy trimming system, including lever group 1, with buoyant tank group 5 and measurement tank group 4, it is described to match somebody with somebody buoyant tank group 5
It is connected with the measurement tank group 4 by the lever group 1, it is described to be located at buoyant tank group 5 with the measurement tank group 4 to the lever
Group 1 produces the opposite position of torque direction, the measurement tank group 4 and described is cancelled out each other with buoyancy caused by buoyant tank group 5.This reality
Apply in example, the measurement tank group 4 of use is made up of a measurement tank, is formed with buoyant tank group 5 by two with buoyant tank, is to match somebody with somebody buoyant tank respectively
5-1 and with buoyant tank 5-2, lever group 1 form lever construction by two two-stage multiplying lever 1-1 and lever 1-2, lever 1-1 and
Lever 1-2 one end is connected with measurement tank, and the other end is connected with buoyant tank 5-1 and with buoyant tank 5-2 respectively.With buoyant tank 5-1, with floating
Tank 5-2 and measurement tank are all salable tank body.It is 1 with primary lever 2-1 lever ratios corresponding to buoyant tank 5-1:2, with 5-1 pairs of buoyant tank
The second lever 3-1 lever ratios answered are 1:2, total lever ratio of two-stage leverI 1For 1:4, with primary lever corresponding to buoyant tank 5-2
2-2 lever ratios are 1:3, it is 1 with second lever 3-2 lever ratios corresponding to buoyant tank 5-2:2, total lever ratio of two-stage leverI 2For 1:
6, bring formula into（1）Middle n=1, m=2, are obtained：Volume with buoyant tank meets with measurement tank volume：V Survey=V With 1*4+ V With 2*6.At this
In embodiment, when environmental condition changes, the buoyancy with buoyancy change caused by buoyant tank and measurement tank, which changes, to be met：, the buoyancy with buoyant tank changes acts on measurement tank by lever construction
On power be：, the buoyancy change with measuring tankIt is equal in magnitude in opposite direction,
Cancel out each other so that during by measuring material mass in measurement tank, do not changed what the aerostatic buoyancy brought changed by environmental condition
Influence.
A kind of buoyancy trimming system of embodiment 8
As shown in figure 8, a kind of buoyancy trimming system, including lever group 1, with buoyant tank group 5 and measurement tank group 4, it is described with buoyant tank group 5 with
The measurement tank group 4 is connected by the lever group 1, described with buoyant tank group 5 and the measurement tank group 4 to the lever group 1 positioned at producing
The opposite position of raw torque direction, the measurement tank group 4 and described cancels out each other with buoyancy caused by buoyant tank group 5.In the present embodiment,
The measurement tank group 4 of use is made up of two measurement tanks, is measurement tank 4-1 and measurement tank 4-2 respectively, is matched somebody with somebody buoyant tank by three with buoyant tank group 5
Composition, it is to match somebody with somebody buoyant tank 5-1, with buoyant tank 5-2 and with buoyant tank 5-3 respectively, lever group 1 is by two two-stage multiplying lever 1-1 and lever
1-2 forms lever construction, and lever 1-1 and lever 1-2 are connected with measurement tank 4-1 and measurement tank 4-2, with buoyant tank 5-1 and lever 1-1
Connection, is connected with buoyant tank 5-2 and with buoyant tank 5-3 with lever 1-2.With buoyant tank 5-1, with buoyant tank 5-2, with buoyant tank 5-3, measurement tank 4-1
All it is salable tank body with measurement tank 4-2.It is 1 with primary lever 2-1 lever ratios corresponding to buoyant tank 5-1:2, with corresponding to buoyant tank 5-1
Second lever 3-1 lever ratios are 1:2, total lever ratio of two-stage leverI 1For 1:4；With primary lever 2-2 levers corresponding to buoyant tank 5-2
Than for 1:3, it is 1 with second lever 3-2 lever ratios corresponding to buoyant tank 5-2:2, total lever ratio of two-stage leverI 2For 1:6, with buoyant tank
Primary lever 2-2 lever ratios corresponding to 5-3 are 1:3, it is 1 with second lever 3-2 lever ratios corresponding to buoyant tank 5-2:2, two-stage lever
Total lever ratioI 3For 1:6, bring formula into（1）Middle n=2, m=3, are obtained：Volume with buoyant tank meets with measurement tank volume：V Survey=V With 1*
4+ V With 2*6+ V With 3*6.In the present embodiment, when environmental condition changes, with buoyancy change caused by buoyant tank with measuring the floating of tank
Power change meets：, the buoyancy change with buoyant tank
By lever construction act on measurement tank on power be：, with survey
The buoyancy change of measuring tankIt is equal in magnitude in opposite direction, cancel out each other so that during by measuring material mass in measurement tank,
Not changed the aerostatic buoyancy change brought by environmental condition is influenceed.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (9)
- A kind of 1. buoyancy trimming system, it is characterised in that：Including lever group（1）, with buoyant tank group（5）With measurement tank group（4）, it is described With buoyant tank group（5）With the measurement tank group（4）Pass through the lever group（1）Connection, it is described to match somebody with somebody buoyant tank group（5）With the measurement tank Group（4）Positioned to the lever group（1）Produce the opposite position of torque direction, the measurement tank group（4）Match somebody with somebody buoyant tank group with described （5）Caused buoyancy is cancelled out each other.
- 2. buoyancy trimming system as claimed in claim 1, it is characterised in that：The lever group（1）, described match somebody with somebody buoyant tank group（5）With The measurement tank group（4）Quantity is one or more.
- 3. buoyancy trimming system as claimed in claim 1, it is characterised in that：The lever group（1）For single-stage lever or multistage group Close lever.
- 4. buoyancy trimming system as claimed in claim 1, it is characterised in that：It is described to match somebody with somebody buoyant tank group（5）With the measurement tank group（4） For salable tank body.
- 5. buoyancy trimming system as claimed in claim 1, it is characterised in that：Meet equation below：,In formula： V Survey iThe volume of buoyancy is produced after being sealed for ith measurement tank, n is the measurement tank group（4）The number of middle measurement tank Amount；V With jThe volume of buoyancy is produced after being sealed for j-th with buoyant tank,I jFor j-th of lever ratio for matching somebody with somebody buoyant tank institute bar bar, m is institute State and match somebody with somebody buoyant tank group（5）In match somebody with somebody buoyant tank quantity.
- 6. the manufacture method of buoyancy trimming system described in claim 1-5, it is characterised in that：It is described to match somebody with somebody buoyant tank group（5）, the survey Measuring tank group（4）With the lever group（1）Manufactured using following structure：It is described to match somebody with somebody buoyant tank group（5）With the measurement tank group（4）Pass through The lever group（1）Connection, it is described to match somebody with somebody buoyant tank group（5）With the measurement tank group（4）Positioned to the lever group（1）Produce moment of torsion Position in opposite direction, the measurement tank group（4）Match somebody with somebody buoyant tank group with described（5）Caused buoyancy is cancelled out each other.
- 7. manufacture method as claimed in claim 6, it is characterised in that：The lever group（1）, described match somebody with somebody buoyant tank group（5）And institute State measurement tank group（4）Quantity is one or more；The lever group（1）For single-stage lever or multistage-combination lever；It is described with floating Tank group（5）With the measurement tank group（4）For salable tank body.
- 8. manufacture method as claimed in claim 6, it is characterised in that：Meet equation below：,In formula： V Survey iThe volume of buoyancy is produced after being sealed for ith measurement tank, n is the measurement tank group（4）The number of middle measurement tank Amount；V With jThe volume of buoyancy is produced after being sealed for j-th with buoyant tank,I jFor j-th of lever ratio for matching somebody with somebody buoyant tank institute bar bar, m is institute State and match somebody with somebody buoyant tank group（5）In match somebody with somebody buoyant tank quantity.
- 9. buoyancy trimming system described in claim 1-5 is led in the application of fields of measurement, especially mechanical meaurement and thermal measurement The application in domain.
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