CN209279960U - A kind of optical fiber grating static water level - Google Patents
A kind of optical fiber grating static water level Download PDFInfo
- Publication number
- CN209279960U CN209279960U CN201920224983.5U CN201920224983U CN209279960U CN 209279960 U CN209279960 U CN 209279960U CN 201920224983 U CN201920224983 U CN 201920224983U CN 209279960 U CN209279960 U CN 209279960U
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- liquid pipe
- fluid cylinder
- optical fiber
- fiber grating
- static water
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Abstract
The utility model relates to engineering survey equipment technical fields; specially a kind of optical fiber grating static water level; the fluid cylinder being arranged including bottom and the protective cover being set at the top of fluid cylinder; at the top of the fluid cylinder and bottom of protective cover is provided with attachment base annular in shape; attachment base is fixed by bolt and matching nut; two sides of the bottom are symmetrically installed with trachea in protective cover, are connected inside trachea and fluid cylinder, and fluid cylinder outer wall two sides are symmetrically arranged with liquid pipe connection.The utility model can carry out multiple optical fiber grating static water levels and be combined use by symmetrically arranged trachea and liquid pipe connection; to carry out the measurement of the sedimentation value of same time to multiple spot; the air pressure inside that multiple protective covers may be implemented by symmetrically arranged trachea is identical; the internal hydraulic pressure that multiple fluid cylinders may be implemented by symmetrically arranged liquid pipe connection is identical; protective cover and fluid cylinder are fixed by bolt and matching nut; easy to disassemble and maintenance, save the cost.
Description
Technical field
The utility model relates to engineering survey equipment technical field, specially a kind of optical fiber grating static water level.
Background technique
Optical fiber grating static water level is mainly used for large-scale storage tank, dam, nuclear power station, skyscraper, foundation pit, tunnel, bridge
The vertical displacements such as beam, subway and inclined monitoring.
Present optical fiber grating static water level majority is combined use using two optical fiber grating static water levels,
It is inconvenient to use when measuring 3 points or 3 points or more of relative settlement.Furthermore most of optical fiber grating static water level uses
Integral structure needs entirety to be replaced after internal damage parts, increases cost.In consideration of it, we provide a kind of optical fiber light
Grid hydrostatic level.
Utility model content
The purpose of this utility model is to provide a kind of optical fiber grating static water levels, to solve to mention in above-mentioned background technique
Out when the relative settlement of present 3 points or 3 points of measurement or more, inconvenient problem with use.
To achieve the above object, the utility model provides the following technical solutions:
A kind of optical fiber grating static water level, the fluid cylinder being arranged including bottom and the protective cover being set at the top of fluid cylinder, institute
State at the top of fluid cylinder and the bottom of protective cover be provided with attachment base annular in shape, the attachment base by bolt and matching nut into
Row is fixed, and is provided with floating ball type liquid level sensor at the inside center of the protective cover, two sides of the bottom are symmetrical in the protective cover
Trachea is installed, is connected inside the trachea and the fluid cylinder, fluid cylinder outer wall two sides are symmetrically arranged with liquid pipe and connect
Head, the bottom of the fluid cylinder are provided with firm banking, the firm banking by the foundation bolts of several uniform equidistant arrangements with
Ground is fixed.
Preferably, the floating ball type liquid level sensor is provided with floating ball and conducting wire, the floating ball is set to the fluid cylinder
Interior, one end of the conducting wire is connect with floating ball type liquid level sensor, and the other end is set to the outside of protective cover.
It is another described to connect gas preferably, be provided with tracheae sealing-plug on the gas-tpe fitting of one of them trachea
The gas-tpe fitting of pipe is connected with snorkel.
Preferably, being socketed with the first PVC wired hose on the outer wall of the snorkel.
Preferably, the trachea and the snorkel pass through flanged joint.
Preferably, liquid pipe sealing-plug is provided on the liquid pipe mouth of one of them liquid pipe connection, another liquid pipe
Liquid pipe is connected on the liquid pipe mouth of connector.
Preferably, being socketed with the 2nd PVC wired hose on the outer wall of the liquid pipe.
Preferably, the liquid pipe and the liquid pipe connection pass through flanged joint.
Compared with prior art, the utility model has the beneficial effects that this optical fiber grating static water level is by symmetrically setting
The trachea and liquid pipe connection set can carry out multiple optical fiber grating static water levels and be combined use, to carry out to multiple spot
The measurement of the sedimentation value of same time, the air pressure inside that multiple protective covers may be implemented by symmetrically arranged trachea is identical,
The internal hydraulic pressure that multiple fluid cylinders may be implemented by symmetrically arranged liquid pipe connection is identical, will be protected by bolt and matching nut
Cover is fixed with fluid cylinder, easy to disassemble and maintenance, save the cost.
Detailed description of the invention
Fig. 1 is the single optical fiber grating static water level structural schematic diagram of the utility model；
Fig. 2 is the attachment structure schematic diagram of three optical fiber grating static water levels of the utility model；
Fig. 3 each measuring point status diagram when being the utility model original state；
Fig. 4 is each measuring point status diagram when the utility model settles.
In figure: 1, fluid cylinder；2, protective cover；3, floating ball type liquid level sensor；31, floating ball；32, conducting wire；4, trachea；5, gas
Seal of tube plug；6, attachment base；7, bolt；8, nut；9, gas-tpe fitting；10, snorkel；11, the first PVC wired hose；12, liquid
Pipe fitting；13, liquid pipe sealing-plug；14, liquid pipe mouth；15, liquid pipe；16, the 2nd PVC wired hose；17, firm banking；18, lower margin
Bolt.
Specific embodiment
Below in conjunction with the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, be related to circuit and electronic component and module in the utility model is the prior art, this field
Technical staff may be implemented completely, be not necessarily to superfluous words, and the content of the utility model protection is not related to changing for software and method yet
Into.
Embodiment 1
A kind of optical fiber grating static water level, as shown in Figure 1, including fluid cylinder 1 and be set to 1 top of fluid cylinder that bottom is arranged
Protective cover 2, the bottom of the top of fluid cylinder 1 and protective cover 2 is provided with attachment base 6 annular in shape, and attachment base 6 passes through 7 He of bolt
Matching nut 8 is fixed, and floating ball type liquid level sensor 3 is provided at the inside center of protective cover 2, bottom two in protective cover 2
Side is symmetrically installed with trachea 4, is connected inside trachea 4 and fluid cylinder 1, and 1 outer wall two sides of fluid cylinder are symmetrically arranged with liquid pipe connection
12, the bottom of fluid cylinder 1 is provided with firm banking 17, the foundation bolt 18 and ground that firm banking 17 passes through several uniform equidistant arrangements
Face is fixed.
Further, floating ball type liquid level sensor 3 is provided with floating ball 31 and conducting wire 32, and floating ball 31 is set in fluid cylinder 1, leads
One end of line 32 is connect with floating ball type liquid level sensor 3, and the other end is set to the outside of protective cover 2, by conducting wire 32 by floating ball
Formula liquid level sensor 3 is connected to collection terminal system, acquires the level value of liquid in fluid cylinder 1, when each measuring point settles,
It will cause the increase or reduction of liquid in fluid cylinder 1, understood by the reading of hydrostatic level inner float ball formula liquid level sensor 3 each
The differential deformation situation of measuring point.
It is worth noting that the floating ball type liquid level sensor 3 in the present embodiment can use Taizhou City Li Er instrument and meter
The floating ball type liquid level sensor of the model 048 of Co., Ltd's production, the connection circuit with collection terminal system is also by the factory
Family provides, and can carry out remote transmission, with good stability and reliability.
Optical fiber grating static water level in the present embodiment can be by symmetrically arranged trachea 4 and liquid pipe connection 12
The multiple optical fiber grating static water levels of row are combined use, to carry out the measurement of the sedimentation value of same time to multiple spot, lead to
Cross symmetrically arranged trachea 4 may be implemented multiple protective covers 2 air pressure inside it is identical, pass through symmetrically arranged liquid pipe connection 12
The internal hydraulic pressure that multiple fluid cylinders 1 may be implemented is identical, and protective cover 2 and fluid cylinder 1 are fixed by bolt 7 and matching nut 8,
Easy to disassemble and maintenance, save the cost.
Embodiment 2
As second of preferred embodiment of the utility model, as shown in Fig. 2, the gas-tpe fitting 9 of one of trachea 4
On be provided with tracheae sealing-plug 5, the gas-tpe fitting 9 of another trachea 4 is connected with snorkel 10, realizes the interior of multiple protective covers 2
Portion's air pressure is identical, and the first PVC wired hose 11 is socketed on the outer wall of snorkel 10, prevents snorkel 10 from bending or being extruded and makes
At breakage, trachea 4 and snorkel 10 pass through flanged joint.
In addition, liquid pipe sealing-plug 13 is provided on the liquid pipe mouth 14 of one of liquid pipe connection 12, another liquid pipe connection 12
Liquid pipe mouth 14 on be connected with liquid pipe 15, realize that the internal hydraulic pressure of multiple fluid cylinders 1 is identical, be socketed with second on the outer wall of liquid pipe 15
PVC wired hose 16 prevents liquid pipe 15 from bending or being extruded and causes breakage, and liquid pipe 15 and liquid pipe connection 12 pass through flanged joint.
Embodiment 3
As the third embodiment of the utility model, as shown in Figure 3 and Figure 4, it is provided with n observation point, Ge Geguan altogether
Used snorkel 10 to be connected between measuring point with liquid pipe 15, as shown in figure 3, after the installation is completed original state when each measuring point installation it is high
Degree is respectively Y01、Y0i、Y0j、Y0n, the liquid level of each measuring point is respectively h01、h0i、h0j、h0n, for original state, it is clear that have:
Y01+h01=Y0i+h0i=Y0j+h0j=Y0n+h0n；
As shown in figure 4, after differential settlement occurs for kth, each measuring point variable quantity due to caused by the generation of sedimentation
It is respectively as follows: Δ h1、Δhi、Δhj、Δhn, the liquid level variation of each measuring point is hk1、hki、hkj、hkn。
Due to the height of liquid level or identical, so that
(Y01+Δh1)+hk1=(Y0i+Δhi)+hki=(Y0j+Δhj)+hkj=(Y0n+Δhn)+hkn；
Settling amount of j-th of observation point relative to datum mark i are as follows:
Hji=Δ hkj-Δhki。
It is hereby achieved that:
Δhkj-Δhki=(Y0j+hkj)-(Y0i+hki)=(Y0j-Y0i)+(hkj-hki)；
Y0j-Y0i=-(h0j-h0i)；
By above formula it can be concluded that relative settlement amount of j-th of observation point relative to datum mark i:
Hji=(hkj-hki)-(h0j-h0i)；
As long as therefore deducing that the liquid level value that can measure each point different time, each point can be calculated in difference
The relative different sedimentation value at moment.
It installs after liquid level stabilizing, can first return to zero to sensor, at this time elemental height value (the deviation of each liquid level
Value) it is zero, it can simplify are as follows:
Hji=(hkj-hki)；
The measured value that need to only read each hydrostatic level, subtracts each other the settlement difference that can be found out between each point.
Optical fiber grating static water level in the utility model when in use, guarantees that installation site is in horizontal position, will
Fluid cylinder 1 is installed on ground by firm banking 17, and is fixed by foundation bolt 18, and anti-icing fluid is added in fluid cylinder 1,
The freezing point of anti-icing fluid is maintained at -25 DEG C to -20 DEG C, prevents temperature is low from liquid being caused to solidify, and is not easy to measure, using trachea 4
Adjacent protective cover 2 is connected to, the trachea 4 at both ends is sealed by tracheae sealing-plug 5, gas leakage is prevented, adopts
Adjacent fluid cylinder 1 is connected to liquid pipe 15, the liquid pipe connection 12 at both ends is sealed by liquid pipe sealing-plug 13, it can
To measure the sedimentation value of multiple spot simultaneously.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model
Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical
In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (8)
1. a kind of optical fiber grating static water level, it is characterised in that: including bottom setting fluid cylinder (1) and be set to fluid cylinder (1)
The bottom of the protective cover (2) at top, fluid cylinder (1) top and protective cover (2) is provided with attachment base annular in shape (6), institute
It states attachment base (6) to be fixed by bolt (7) and matching nut (8), be provided at the inside center of the protective cover (2) floating
Ball-type liquid level sensor (3), the interior two sides of the bottom of the protective cover (2) are symmetrically installed with trachea (4), the trachea (4) with
It is connected inside the fluid cylinder (1), fluid cylinder (1) the outer wall two sides are symmetrically arranged with liquid pipe connection (12), the fluid cylinder (1)
Bottom is provided with firm banking (17), the foundation bolt (18) and ground that the firm banking (17) passes through several uniform equidistant arrangements
Face is fixed.
2. optical fiber grating static water level according to claim 1, it is characterised in that: the floating ball type liquid level sensor
(3) it is provided with floating ball (31) and conducting wire (32), the floating ball (31) is set in the fluid cylinder (1), and the one of the conducting wire (32)
End is connect with floating ball type liquid level sensor (3), and the other end is set to the outside of protective cover (2).
3. optical fiber grating static water level according to claim 1, it is characterised in that: one of them described trachea (4)
Gas-tpe fitting (9) on be provided with tracheae sealing-plug (5), the gas-tpe fitting (9) of another trachea (4) is connected with snorkel
(10)。
4. optical fiber grating static water level according to claim 3, it is characterised in that: on the outer wall of the snorkel (10)
It is socketed with the first PVC wired hose (11).
5. optical fiber grating static water level according to claim 3, it is characterised in that: the trachea (4) is led to described
Tracheae (10) passes through flanged joint.
6. optical fiber grating static water level according to claim 1, it is characterised in that: one of them described liquid pipe connection
(12) it is provided with liquid pipe sealing-plug (13) on liquid pipe mouth (14), is connected on the liquid pipe mouth (14) of another liquid pipe connection (12)
There are liquid pipe (15).
7. optical fiber grating static water level according to claim 6, it is characterised in that: covered on the outer wall of the liquid pipe (15)
It is connected to the 2nd PVC wired hose (16).
8. optical fiber grating static water level according to claim 6, it is characterised in that: the liquid pipe (15) and the liquid pipe
Connector (12) passes through flanged joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224983.5U CN209279960U (en) | 2019-02-22 | 2019-02-22 | A kind of optical fiber grating static water level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224983.5U CN209279960U (en) | 2019-02-22 | 2019-02-22 | A kind of optical fiber grating static water level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209279960U true CN209279960U (en) | 2019-08-20 |
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ID=67606413
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920224983.5U Expired - Fee Related CN209279960U (en) | 2019-02-22 | 2019-02-22 | A kind of optical fiber grating static water level |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457889A (en) * | 2020-06-02 | 2020-07-28 | 中际物联科技（深圳）有限公司 | Method for monitoring subway tunnel settlement through optical fiber static level |
-
2019
- 2019-02-22 CN CN201920224983.5U patent/CN209279960U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457889A (en) * | 2020-06-02 | 2020-07-28 | 中际物联科技（深圳）有限公司 | Method for monitoring subway tunnel settlement through optical fiber static level |
| CN111457889B (en) * | 2020-06-02 | 2022-07-12 | 中际物联科技（深圳）有限公司 | Method for monitoring subway tunnel settlement through optical fiber static level |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 Termination date: 20200222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |