CN108801214A - A kind of hydrostatic level component and hydrostatic level - Google Patents
A kind of hydrostatic level component and hydrostatic level Download PDFInfo
- Publication number
- CN108801214A CN108801214A CN201810836278.0A CN201810836278A CN108801214A CN 108801214 A CN108801214 A CN 108801214A CN 201810836278 A CN201810836278 A CN 201810836278A CN 108801214 A CN108801214 A CN 108801214A
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- Prior art keywords
- hydrostatic level
- inner cylinder
- hydrostatic
- float
- buoy
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
- G01C5/04—Hydrostatic levelling, i.e. by flexibly interconnected liquid containers at separated points
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a kind of hydrostatic levels, including outer barrel, inner cylinder and float, inner cylinder is fixedly installed in outer barrel and forms gap between outer barrel, gap can accommodate thermostatted water in order to which hydrostatic level maintains steady temperature, float is contained in inner cylinder, float includes again pendulum and buoy, buoy floats on inner cylinder, pendulum is installed on inner cylinder and to buoy nature leveling again, hydrostatic level further includes distance measuring sensor, distance measuring sensor is fixedly installed in inner cylinder and by non-contact mode measuring buoy top plane at a distance from distance measuring sensor, in order to monitor the sedimentation of determinand.The invention further relates to a kind of hydrostatic level components including above-mentioned hydrostatic level.
Description
Technical field
The present invention relates to detection devices, more particularly, to a kind of hydrostatic level component.
Background technology
Neutron spectrometer is made of target station, neutron guide tube, sample stage, detector etc..The neutron stood out from target is led through neutron
Pipe transports arrival sample stage, and neutron is scattered after sample and detected by detector, to be used for analyzing stress, the structure of sample
The features such as.Channel of the neutron guide tube as neutron transport, it is desirable that very high installation accuracy.Neutron guide tube overall length 30-50m, installation
Horizontal gradient error is no more than 50 μm, and differential settlement is no more than 0.2mm/.
Existing hydrostatic level cannot achieve high-precision measurement.
Invention content
For overcome the deficiencies in the prior art, the quiet of high-acruracy survey can be realized the purpose of the present invention is to provide a kind of
Power spirit level component.
The purpose of the present invention is realized using following technical scheme：
A kind of hydrostatic level, including outer barrel, inner cylinder and float, the inner cylinder be fixedly installed in the outer barrel and with institute
It states and forms gap between outer barrel, the gap can accommodate thermostatted water in order to which the hydrostatic level maintains steady temperature, institute
It states float and is contained in the inner cylinder, the float includes again pendulum and buoy, and the buoy floats on the inner cylinder, the heavy pendulum peace
Loaded on the inner cylinder and to the buoy nature leveling, the hydrostatic level further includes distance measuring sensor, the ranging sensing
Device be fixedly installed in the inner cylinder and by buoy top plane described in non-contact mode measuring and the distance measuring sensor away from
From in order to monitor the sedimentation of determinand.
Further, the heavy pendulum includes pedestal and is fixed on the position-limited rack of the pedestal, and the position-limited rack is equipped with limit
Circle, the buoy are located in the spacing collar, and the spacing collar is equipped with arc-shaped limit portion, convenient for reducing friction.
Further, the inner cylinder includes bottom plate, and the pedestal is fixed on the bottom plate.
Further, the inner cylinder further includes head cover and tank skin, the tank skin both ends respectively with the bottom plate and the top
Lid is fixed to form a confined space, and the float is located in the confined space.
Further, the tank skin is made of glass.
Further, the outer barrel is equipped with air inlet, and the air inlet is connected to the confined space, the confined space
And inert gas is filled in gas circuit, it is in micro-vacuum state.
Further, the distance measuring sensor is fixed on the head cover.
Further, the distance measuring sensor is laser range sensor.
Further, the hydrostatic level further includes temperature sensor, and the temperature sensor is installed on the inner cylinder
Measure the temperature of the interior liquid within the cartridge.
A kind of hydrostatic level component, including controller, conduit and tracheae, the hydrostatic level component further includes static(al)
Spirit level, the controller include constant-temperature water circulating device and air bag, the gap of the hydrostatic level by the conduit with
The constant-temperature water circulating device connection, provides isoperibol, the inner cylinder passes through the tracheae and the air bag for the inner cylinder
Connection, in order to and isolated from atmosphere, prevent inert gas volatilize and fluid loss.
Compared with prior art, hydrostatic level component of the present invention has the following advantages：
(1) laser ranging technique is used, strong antijamming capability, high certainty of measurement is compact-sized.High-precision laser range-finding
Instrument, measurement range 20mm, measurement accuracy is up to 2 μm.
(2) unique structure design ensures the accuracy measured.Traditional direction float is replaced using floating-type float, is rubbed
Wiping resistance is small, and levelness is good, good anti-vibration.
(3) real time temperature detects.Temperature sensors of high precision, 0.02 DEG C of measurement accuracy are installed in each floating drum.Temperature
Signal is handled with elevation signal synchronous transfer to controller.
(4) technique for temperature compensation.By measure hydrostatic level in fluid temperature, calculate each hydrostatic level float by
Temperature influences the variation of height, through systematic error caused by theoretical calculation compensation temperature.When each hydrostatic level difference variation is small
When 0.5 DEG C, it is no more than 8 μm by the systematic error that temperature influences.After temperature-compensating, composite measurement error is no more than 10
μm, meet the requirement of neutron bunch settlement monitoring.
(5) special closed system, is not influenced by atmospheric pressure.By in each hydrostatic level gas be connected with each other after and air bag
Connection, with atmospheric isolation, can effectively prevent influence of the air pressure fluctuation to measuring system.
(6) nothing needs to change measurement medium.Inert gas is filled in hydrostatic level and air bag, measuring will not grow in medium
Microorganism, does not have dust entrance, and nothing needs to change measurement medium.
(7) constant temperature water circulation system.Hydrostatic level is placed in the environment of thermostatted water encirclement, strictly controlled environment temperature
Degree, by temperature difference control between each spirit level within 0.2 DEG C.Caused by stringent temperature difference control effectively can reduce temperature change
Systematic error.
(8) unique horizontal adjustment mode.Line is measured by two of hydrostatic level itself to be aligned with float, it can fast velocity modulation
Whole fluid reservoir is to horizontal position.
(9) controller.Whole system is controlled by a controller, and controller controls constant temperature water flowing according to temperature difference
Speed controls each spirit level temperature difference.The temperature and elevation signal for receiving each sensor simultaneously, center is later uploaded to by processing
Control room.
Description of the drawings
Fig. 1 is a stereogram of hydrostatic level component of the present invention；
Fig. 2 is the structural schematic diagram of a hydrostatic level of the hydrostatic level component of Fig. 1；
Fig. 3 is the stereogram of the float of the hydrostatic level of Fig. 2；
Fig. 4 is the internal structure schematic diagram of the float of Fig. 3；
Fig. 5 is the use state diagram of the hydrostatic level of Fig. 2.
In figure：100, hydrostatic level component；10, controller；20, hydrostatic level；21, holder；22, outer barrel；220,
Constant temperature water inlet；221, constant temperature water out；222, reference line；223, air inlet；23, inner cylinder；230, head cover；231, tank skin；
232, bottom plate；24, temperature sensor；25, float；250, it puts again；251, pedestal；252, position-limited rack；2520, arc-shaped limit portion；
253, buoy；26, distance measuring sensor；30, conduit；40, tracheae.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
Can be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the Listed Items of pass.
It please refers to Fig.1 to Fig. 5, a kind of hydrostatic level component 100 of the present invention includes controller 10, several hydrostatic levels
20, conduit 30 and tracheae 40.
Controller 10 includes constant-temperature water circulating device, air bag and integral control circuit.
Each hydrostatic level 20 includes that holder 21, outer barrel 22, inner cylinder 23, temperature sensor 24, float 25 and ranging pass
Sensor 26.Outer barrel 22 is fixedly installed in holder 21.Outer barrel 22 is equipped with constant temperature water inlet 220, constant temperature water out 221, two reference lines
222 and air inlet 223.Two reference lines 222 are perpendicular to horizontal plane.Inner cylinder 23 includes head cover 230, tank skin 231 and bottom plate 232.
Tank skin 231 is made of metal, and head cover 230 and bottom plate 232 are made of metal, since the thermal expansion factor of glass is smaller than steel,
Influence smaller to liquid level.Float 25 includes again pendulum 250 and buoy 253.Pendulum 250 includes pedestal 251 and position-limited rack 252 again.Limit
Position frame 252 is fixed on pedestal 251.252 middle part of position-limited rack forms a spacing collar, and spacing collar inner surface is equipped with arc-shaped limit portion
2520, reduce the limitation that the frictional force between position-limited rack 252 and float 25 is freely lifted float 25.Distance measuring sensor 26 uses
The high-precision laser range-finding sensor of measurement accuracy ± 2 μm.Laser range sensor 26 is installed on head cover 230, is connect by non-
The method of touching measures 25 top planes of float at a distance from laser range sensor 26.26 high certainty of measurement of laser range sensor,
The accuracy of measurement can be greatly improved in the advantages that measuring speed is fast, strong antijamming capability.
Inner cylinder 23 is fixed on outer barrel 22 and forms gap with outer barrel 22.Pass through constant temperature water inlet 220 and constant temperature water out
221, thermostatted water, 22 ± 0.1 DEG C of temperature are full of in gap.When 20 temperature difference of each hydrostatic level is larger, thermostatted water is improved
20 temperature of hydrostatic level is down to zone of reasonableness by circulation rate.Tank skin 231 is fixed to each other and to be formed with head cover 230 and bottom plate 232
Confined space has liquid in confined space, and float 25 floats on liquid, puts 250 again and is located at 23 bottom of inner cylinder, buoy 253
In the spacing collar of pendulum 250 again, 250 structures using base-weighted, similar tumbler are put again.Float 25 floats on liquid level,
The pendulum again 250 of bottom plays the role of nature leveling, and when preventing 26 measurement distance of laser range sensor, 253 upper surface of buoy is inclined
Tiltedly.Using 252 fixed form of position-limited rack, limitation 253 horizontal direction of buoy movement.Confined space is connected to air inlet 223.Temperature
Sensor 24 is fixed in inner cylinder 23, using intrusive high-precision sensor, 0.02 DEG C of measurement accuracy.
When assembling hydrostatic level component 100, thermostatted water that each hydrostatic level 20 passes through conduit 30 and controller 10
Circulator is connected to.Thermostatted water is that inner cylinder 23 provides an isoperibol, ensures that 20 temperature of each hydrostatic level is consistent.Controller
10, by internal thermostatic control system, export thermostatted water, 22 ± 0.1 DEG C of temperature.When 20 temperature difference of each hydrostatic level is larger
When, constant temperature water circulating speed is improved, 20 temperature of hydrostatic level is down to zone of reasonableness.Each hydrostatic level 20 passes through tracheae
40 are connected to air bag.Inert gas, micro-vacuum state are filled in entire gas piping and air bag.Gas and big air bound in air bag
From, can effectively prevent internal system inert gas be lost in and liquid evaporation, therefore for a long time using do not have to supplement liquid.Air bag
It is arranged in controller 10, gas pressure in air bag is measured by pressure sensor, ensures that it is equal with atmospheric pressure.
Hydrostatic level 20 is along neutron bunch equidistant placement, per intersegmental away from 5m.Controller 10 is arranged in pipeline interposition
It sets, each pipeline uses heat insulation structure, can effectively reduce temperature change caused by liquid flows in conduit 30, reduces gas
Localized measurement error caused by body pressure is uneven.
The system can arrange a hydrostatic level 20 in the permanent benchmark of building, then on-demand in other measurement positions
Arrange hydrostatic level 20.By comparing the depth displacement of permanent benchmark and other positions hydrostatic level 20, can calculate
Go out the sedimentation of each position.If only measuring relative settlement, hydrostatic level 20 can not be arranged in permanent benchmark.The static(al) water
Quasi- instrument 20 is suitable within measurement range 100m, and depth displacement is no more than 20mm, the inviolent place of variation of ambient temperature.
To ensure the certain levelness of hydrostatic level 20 itself, using a kind of unique leveling mode.By included floating
253 leveling are floated, it is time saving and energy saving.It only need to be by two of arrangement in 90 ° on 22 wall of outer barrel of hydrostatic level 20 vertical ginsengs when leveling
Line 222 is examined to be aligned with buoy 253.
Control system is by acquiring elevation signal and temperature signal in each hydrostatic level 20, after compensating approach,
Pass through display screen real-time display.Control system uses small PLC Collecting and dealing information, acquisition signal per minute 20 times, then
It is averaged for calculating elevation variation.Controller 10 has the ability with top level control system communication, can be by neutron bunch
Sedimentation situation is uploaded to central control room in time, maintains easily personnel monitoring and adjustment.
Hydrostatic level component of the present invention has the following advantages：
(1) laser ranging technique is used, strong antijamming capability, high certainty of measurement is compact-sized.High-precision laser range-finding
Instrument, measurement range 20mm, measurement accuracy is up to 2 μm.
(2) unique structure design ensures the accuracy measured.Traditional direction float is replaced using floating-type float 25,
Frictional resistance is small, and levelness is good, good anti-vibration.
(3) real time temperature detects, and temperature sensors of high precision 24,0.02 DEG C of measurement accuracy are installed in each floating drum.Temperature
Degree signal is handled with elevation signal synchronous transfer to controller 10.
(4) technique for temperature compensation calculates each hydrostatic level 20 by measuring the fluid temperature in hydrostatic level 20
Float 25 is affected by temperature the variation of height, through systematic error caused by theoretical calculation compensation temperature.When each hydrostatic level 20
When difference variation is less than 0.5 DEG C, it is no more than 8 μm by the systematic error that temperature influences.After temperature-compensating, composite measurement misses
Difference is no more than 10 μm, meets the requirement of neutron bunch settlement monitoring.
(5) special closed system, is not influenced by atmospheric pressure.By in each hydrostatic level 20 gas be connected with each other after with gas
Capsule connects, and with atmospheric isolation, can effectively prevent influence of the air pressure fluctuation to measuring system.
(6) nothing needs to change measurement medium.Inert gas is filled in hydrostatic level 20 and air bag, measuring will not grow in medium
Raw microorganism, does not have dust entrance, and nothing needs to change measurement medium.
(7) constant temperature water circulation system.Hydrostatic level 20 is placed in the environment of thermostatted water encirclement, strictly controlled environment temperature
Degree, by temperature difference control between each hydrostatic level 20 within 0.2 DEG C.Stringent temperature difference control can effectively reduce temperature change
Caused systematic error.
(8) unique horizontal adjustment mode.It is aligned with float 25 by two reference lines 222 of hydrostatic level 20 itself,
Fluid reservoir can quickly be adjusted to horizontal position.
(9) control device.Whole system is controlled by a controller 10, and controller 10 controls constant temperature according to temperature difference
Water flowing speed controls 20 temperature difference of each hydrostatic level.Receive the temperature and elevation signal of each sensor simultaneously, by processing with
After be uploaded to central control room.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make various other
Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (10)
1. a kind of hydrostatic level, including outer barrel, inner cylinder and float, it is characterised in that：The inner cylinder is fixedly installed in described outer
Gap is formed in cylinder and between the outer barrel, the gap can accommodate thermostatted water in order to which the hydrostatic level remains permanent
Constant temperature degree, the float are contained in the inner cylinder, and the float includes again that pendulum and buoy, the buoy float on the inner cylinder,
The heavy pendulum is installed on the inner cylinder and to the buoy nature leveling, the hydrostatic level further includes distance measuring sensor, institute
It states distance measuring sensor and is fixedly installed in the inner cylinder and by buoy top plane described in non-contact mode measuring and the ranging
The distance of sensor, in order to monitor the sedimentation of determinand.
2. hydrostatic level according to claim 1, it is characterised in that：The heavy pendulum includes pedestal and is fixed on the bottom
The position-limited rack of seat, the position-limited rack are equipped with spacing collar, and the buoy is located in the spacing collar, and the spacing collar is limited equipped with arc
Position portion, convenient for reducing friction.
3. hydrostatic level according to claim 2, it is characterised in that：The inner cylinder includes bottom plate, and the pedestal is fixed
In the bottom plate.
4. hydrostatic level according to claim 3, it is characterised in that：The inner cylinder further includes head cover and tank skin, described
Tank skin both ends are fixed to form a confined space with the bottom plate and the head cover respectively, and the float is located at the confined space
It is interior.
5. hydrostatic level according to claim 4, it is characterised in that：The tank skin is made of glass.
6. hydrostatic level according to claim 4, it is characterised in that：The outer barrel is equipped with air inlet, the air inlet
It is connected to the confined space, inert gas is filled in the confined space and gas circuit, be in micro-vacuum state.
7. hydrostatic level according to claim 4, it is characterised in that：The distance measuring sensor is fixed on the head cover.
8. according to claim 1-7 any one of them hydrostatic levels, it is characterised in that：The distance measuring sensor is Laser Measuring
Away from sensor.
9. according to claim 1-7 any one of them hydrostatic levels, it is characterised in that：The hydrostatic level further includes temperature
Sensor is spent, the temperature sensor is installed on the temperature that the inner cylinder measures the interior liquid within the cartridge.
10. a kind of hydrostatic level component, including controller, conduit and tracheae, it is characterised in that：The hydrostatic level component
Further include several such as claim 1-9 any one of them hydrostatic levels, the controller include constant-temperature water circulating device and
The gap of air bag, the hydrostatic level is connected to by the conduit with the constant-temperature water circulating device, is provided for the inner cylinder
Isoperibol, the inner cylinder are connected to by the tracheae with the air bag, in order to and isolated from atmosphere, prevent inert gas from volatilizing
And fluid loss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810836278.0A CN108801214A (en) | 2018-07-26 | 2018-07-26 | A kind of hydrostatic level component and hydrostatic level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810836278.0A CN108801214A (en) | 2018-07-26 | 2018-07-26 | A kind of hydrostatic level component and hydrostatic level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108801214A true CN108801214A (en) | 2018-11-13 |
Family
ID=64078307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810836278.0A Pending CN108801214A (en) | 2018-07-26 | 2018-07-26 | A kind of hydrostatic level component and hydrostatic level |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044331A (en) * | 2019-05-21 | 2019-07-23 | 广州市建筑科学研究院有限公司 | Contactless hydrostatic level, relative settlement monitor system and method |
| CN110057345A (en) * | 2019-05-21 | 2019-07-26 | 广州市建筑科学研究院有限公司 | Contact hydrostatic level, relative settlement monitor system and method |
| CN110307827A (en) * | 2019-07-29 | 2019-10-08 | 北京市政路桥股份有限公司 | A kind of hydrostatic level and its measurement method with double fast-response probes |
| CN110793500A (en) * | 2019-11-19 | 2020-02-14 | 嘉兴同禾传感技术有限公司 | Thermostatic static leveling system and use method thereof |
| CN110906905A (en) * | 2019-12-03 | 2020-03-24 | 宁波朗达工程科技有限公司 | Ultra-high precision static level gauge |
| CN111044014A (en) * | 2019-12-16 | 2020-04-21 | 杭州鲁尔物联科技有限公司 | Static level tester |
| CN113932766A (en) * | 2021-11-13 | 2022-01-14 | 国网辽宁省电力有限公司沈阳供电公司 | Tunnel settlement monitoring system based on static level gauge and monitoring method thereof |
| CN113959403A (en) * | 2021-10-21 | 2022-01-21 | 上海朝辉压力仪器有限公司 | Temperature compensation method of level gauge |
| CN114659493A (en) * | 2022-02-09 | 2022-06-24 | 徐杰 | Novel static level gauge testing mechanism and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110044331A (en) * | 2019-05-21 | 2019-07-23 | 广州市建筑科学研究院有限公司 | Contactless hydrostatic level, relative settlement monitor system and method |
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| CN111044014A (en) * | 2019-12-16 | 2020-04-21 | 杭州鲁尔物联科技有限公司 | Static level tester |
| CN113959403A (en) * | 2021-10-21 | 2022-01-21 | 上海朝辉压力仪器有限公司 | Temperature compensation method of level gauge |
| CN113932766A (en) * | 2021-11-13 | 2022-01-14 | 国网辽宁省电力有限公司沈阳供电公司 | Tunnel settlement monitoring system based on static level gauge and monitoring method thereof |
| CN114659493A (en) * | 2022-02-09 | 2022-06-24 | 徐杰 | Novel static level gauge testing mechanism and method |
| CN114659493B (en) * | 2022-02-09 | 2023-08-25 | 广州建筑工程监理有限公司 | Static level gauge testing mechanism and method |
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Application publication date: 20181113 |
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