CN203203657U - Precise digital settlement sensing level meter - Google Patents
Precise digital settlement sensing level meter Download PDFInfo
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- CN203203657U CN203203657U CN 201320173141 CN201320173141U CN203203657U CN 203203657 U CN203203657 U CN 203203657U CN 201320173141 CN201320173141 CN 201320173141 CN 201320173141 U CN201320173141 U CN 201320173141U CN 203203657 U CN203203657 U CN 203203657U
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- pressure measuring
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Abstract
The utility model discloses a precise digital settlement sensing level meter. A sub cabin comprises a sub cover, a wiring module, a second M3 fixing screw, a middle O-shaped sealing ring and a waterproof cable locking head; a liquid level pressure measuring module comprises a micro differential pressure sensor, a microprocessor, a protecting circuit and an auxiliary circuit; a main cabin and the sub cabin are connected in the way that a data line on the wiring module penetrates through a data line hole; the data line is connected to the I wiring terminal of the liquid level pressure measuring module; the data line hole is sealed by a sealing rubber body, so that the main cabin and the sub cabin are separated through air; a liquid cabin in the main cabin and a micro differential pressure transducer are sealed through small O-shaped sealing rings; a big nut compresses the upper part of the micro differential pressure transducer; and the liquid level pressure measuring module is fixed through a first M3 fixing screw. The precise digital settlement sensing level meter is simple and reasonable in structure, small in size, light in weight, convenient to operate, low in coefficient of thermal expansion, ductility and water absorption capability, and strong in cold endurance; and materials are reduced and the sealing step is reduced, so that the cost is saved and the overall performance of a product is improved.
Description
Technical field
The present invention relates to Structural Engineering Technology of Precision Measurement field, especially relate to a kind of precision digital sedimentation sensing level meter.
Background technology
The textural difference deformation monitoring refers to for structure (railway tunnel, subway, railway bed, highway subgrade, underground works, dam, buildings, pipeline etc.) when construction neutralizes the distortion of the rear generation of construction vertical differentiation, the monitoring that the height that its vertical differentiation is out of shape carries out.By to the data collection, and to data analysis and processing, not only can carry out the health status of Real-Time Monitoring structure, and can instruct the engineering construction progress and improve construction quality, but also can by the research and analysis data, to next engineering, provide the design considerations of science.By to the healthy and safe status monitoring of structure, can play the effect of preventing and reducing natural disasters, to the country and people deduction and exemption with reduce the loss of property, for engineering design provides more rational design considerations, construction method and the construction quality of engineering all had great importance.
In the existing market, the method of textural difference deformation observation has: manual measurement method, GPS mensuration, section pipe mensuration, single-spot way etc., present most of engineering is being used artificial mensuration, the shortcoming of the method: personnel's configuration requirement is high, number is no less than 2, be subjected to that weather effect is large, data volume is few, the health status etc. of reaction structure timely; The shortcoming of GPS mensuration: measuring accuracy can not satisfy the requirement of high standard construction quality, and improper use is used in underground works, such as the monitoring of high ferro, the distortion of tunnel structure body vertical differentiation.The shortcoming of section pipe mensuration is: what can not carry out remote automation image data, employing is artificial collection in worksite data, times of collection is few, data volume is few, be subjected to weather effect.The shortcoming of single point settlement gage is: site operation is complicated, single range is short.Level meter in the existing market, the phenomenon such as the comprehensive degree of accuracy of ubiquity is low, sealing is poor, service time is short.Above phenomenon appears in level meter, specifically mainly has following shortcoming: 1) in transportation or carrying, the liquid joint area is easily loosening, and the joint area reliability is low, very easily causes the phenomenon of leakage; 2) in engineering was used, joint area was subject to the effect of soil pressure, caused liquid joint area line break or joint to damage, and caused leakage, caused the paralysis of whole piece circuit; 3) product since throughout the year in wet environment or imbed underground in, interiors of products very easily produces the water-setting phenomenon, long-term existence can cause circuit board damage, the differential pressure inductor is malfunctioning, finally causes whole piece monitoring line to use; 4) present level meter on the market aspect the data line connection, adopts data connector to connect, and in water environment, waterproof sealing is poor for a long time, easily causes short circuit phenomenon, causes the circuit paralysis.
Summary of the invention
The object of the invention is to design a kind of precision digital sedimentation sensing level meter, address the above problem.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of precision digital sedimentation sensing level meter comprises main cabin 20 and secondary cabin 21; Described main cabin 20 comprises liquid-level pressure measuring module 8, main cover 2, liquid tank 19, big nut 12, liquid pipe are twisted soon joint 4, tracheae and twisted soon joint 5, greatly O RunddichtringO 13, little O RunddichtringO 15, a M3 fixed screw 10 and M4 hex socket set screws 7; Described secondary cabin 21 comprises secondary lid 3, Wiring module 9, the 2nd M3 fixed screw 11, middle O RunddichtringO 14 and water-proof cable tapered end 6; Described liquid-level pressure measuring module 8 comprises differential pressure inductor 16, microprocessor, holding circuit and auxiliary circuit;
Described main cabin 20 is passed data line hole 22 with described secondary cabin 21 by the data line on the described Wiring module 9 and is linked to each other, and described data line accesses on the I connection terminal 17 of described liquid-level pressure measuring module 8; Described data line hole 22 is by the sealed colloid sealing, with described main cabin 20 and described secondary cabin 21 air insulated;
Described liquid tank 19 in the described main cabin 20 seals by described little O RunddichtringO 15 with described differential pressure inductor 16, and described big nut 12 compresses the top of described differential pressure inductor 16; Described liquid-level pressure measuring module 8 is fixed by a described M3 fixed screw 10.
Described liquid-level pressure measuring module 8 is for evenly having smeared the liquid-level pressure measuring module of electronics special-purpose three anti-lacquers.
Described main the lid on 2 the described large O RunddichtringO 13 is coated with silica gel or vaseline, and be provided with drying agent, describedly main cover 2 and be fixed by described M4 hex socket set screws 7, described Wiring module 9 in the described secondary cabin 21 is fixing by the 2nd M3 fixed screw 11, described data line passes described Waterproof lock, described data line access is leaned on the nearer connection terminal of entrance, and pre-made allowance; Described data line is tightened by described water-proof cable tapered end 6, and described II connection terminal 18 wiring place are by emulsus insulating gel or vaseline embedding.
Beneficial effect of the present invention can be summarized as follows:
1. the utility model has adopted the design of agent structure and Waterproof junction box structure assembly, provide a kind of simple and reasonable, volume is little, lightweight, convenient operation and the characteristics of saving material.Its housing adopts high density, high strength, resistance to impact, thermotolerance, reaches the equal engineering plastics single injection-molded of resistance to aging, has the characteristic that thermal expansivity is little, extensibility is little, suction is little and low temperature resistance is strong.
2. liquid joint 4 and gas connection 5 adopt the fast joint of twisting with the copper chromium plating of taper thread.The band taper thread has good airproof performance.During assembling, do not need to add any O-ring seal, just can reach good sealing effectiveness.Can not cause stripped thread, damage the situation of shell, reduce owing to stripped thread causes scrapping of shell.
3. the differential pressure inductor 16, adopt big nut 12 to compress, and make the each several part of differential pressure inductor stressed evenly.Can not cause because unbalance stress, and cause the poor sealing of liquid chamber and air chamber, perhaps the failed situation of sealing.
4. the O type circle of all employings all adopts fluororubber, and it has the advantages such as ageing-resistant, low temperature resistant, corrosion-resistant and good springiness.
5. main cover 2 and the fixed screw of secondary lid 3, adopts the M4 hex socket set screws 7 of stainless steel, have anti-ly get rusty, the not easily detachable situation of anti-nut damage, prevent that common civilian instrument from will can both dismantle.
6. data line tapered end position adopts that volume is little, the water proof type metal tapered end 6 of copper chromium plating, and this tapered end has and anti-ly gets rusty, locks the data line function, has higher sealing property and resistance to tension.The resistance to tension of data line and the waterproof sealing performance in the secondary cabin 21 have been guaranteed.
7. in main cabin 20, place a pouch drying agent, guarantee the drying of main cabin air and the drying of gas pipeline, reduced the water-setting phenomenon in the main cabin.
8. in level gauging module 8, increase the power supply chip that voltage transforms on the circuit, not only improved the scope of module operating voltage, but also at power supply chip in when work, the heat that produces can well be utilized, and can help to reduce the water-setting phenomenon in the main cabin.
9. the utility model product is considered the actual environment of use, innovation terminal box is integrated on the housing.So not only reach performance requirement, but also reduced material, reduced the link of sealing, saved cost, improved the overall performance of product.
Description of drawings
Fig. 1 is the main cabin sectional view of overlooking direction;
Fig. 2 is the main cabin half-sectional view on the main apparent direction and after spinning upside down;
Fig. 3 is whole vertical view;
Fig. 4 is the secondary cabin sectional view on the rear apparent direction;
Fig. 5 overlooks the secondary cabin half-sectional view on the direction;
Fig. 6 is three-dimensional whole structure figure;
Fig. 7 is on the rear apparent direction and the whole vertical view after spinning upside down;
Fig. 8 is left view.
Wherein, 1. housing; 2. the master is covered; 3. pair is covered; 4. the liquid pipe is twisted joint soon; 5. tracheae is twisted joint soon; 6. water-proof cable tapered end; 7.M4 hex socket set screws; 8. liquid-level pressure measuring module; 9. Wiring module; 10. a M3 fixed screw; 11. the 2nd M3 fixed screw; 12. big nut; 13. large O RunddichtringO; 14. middle O RunddichtringO; 15. little O RunddichtringO; 16. differential pressure inductor; 17.I connection terminal; 18.II connection terminal; 19. liquid tank; 20. main cabin; 21. secondary cabin; 22. data line hole; 23. installation fixed orifice.
Embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
To a kind of precision digital sedimentation sensing level meter shown in Figure 8, comprise main cabin 20 and secondary cabin 21 such as Fig. 1; Described main cabin 20 comprises liquid-level pressure measuring module 8, main cover 2, liquid tank 19, big nut 12, liquid pipe are twisted soon joint 4, tracheae and twisted soon joint 5, greatly O RunddichtringO 13, little O RunddichtringO 15, a M3 fixed screw 10 and M4 hex socket set screws 7; Described secondary cabin 21 comprises secondary lid 3, Wiring module 9, the 2nd M3 fixed screw 11, middle O RunddichtringO 14 and water-proof cable tapered end 6; Described liquid-level pressure measuring module 8 comprises differential pressure inductor 16, microprocessor, holding circuit and auxiliary circuit; Described main cabin 20 is passed data line hole 22 with described secondary cabin 21 by the data line on the described Wiring module 9 and is linked to each other, and described data line accesses on the I connection terminal 17 of described liquid-level pressure measuring module 8; Described data line hole 22 is by the sealed colloid sealing, with described main cabin 20 and described secondary cabin 21 air insulated; Described liquid tank 19 in the described main cabin 20 seals by described little O RunddichtringO 15 with described differential pressure inductor 16, and described big nut 12 compresses the top of described differential pressure inductor 16; Described liquid-level pressure measuring module 8 is fixed by a described M3 fixed screw 10.
In a preferred embodiment, described liquid-level pressure measuring module 8 is for evenly having smeared the liquid-level pressure measuring module of electronics special-purpose three anti-lacquers.
In the embodiment that is more preferably, described main the lid on 2 the described large O RunddichtringO 13 is coated with silica gel or vaseline, and be provided with drying agent, describedly main cover 2 and be fixed by described M4 hex socket set screws 7, described Wiring module 9 in the described secondary cabin 21 is fixing by the 2nd M3 fixed screw 11, described data line passes described Waterproof lock, and described data line access is leaned on the nearer connection terminal of entrance, and pre-made allowance; Described data line is tightened by described water-proof cable tapered end 6, and described II connection terminal 18 wiring place are by emulsus insulating gel or vaseline embedding.
Certain specific embodiment is as follows: level meter is divided into main cabin 20 and secondary cabin 21, main cabin 20 by liquid-level pressure measuring module 8, main cover 2, liquid tank 19, big nut 12, liquid pipe twist soon that joint 4, tracheae are twisted joint 5 soon, O RunddichtringO 13, little O RunddichtringO 15, a M3 fixed screw 10 and M4 hex socket set screws 7 form greatly; Secondary cabin 21 is comprised of pair lid 3, Wiring module 9, the 2nd M3 fixed screw 11, middle O RunddichtringO 14 and water-proof cable tapered end 6.Liquid-level pressure measuring module 8 is comprised of differential pressure inductor 16, microprocessor, holding circuit and auxiliary circuit, and this module need to evenly be smeared electronics special-purpose three anti-lacquers before use.Differential pressure inductor 16 is to convert the liquid-level pressure signal to analog electrical signal, passes to microprocessor and carries out the signal processing, through the signal of handling well, passes to data acquisition unit by differential data transmission.Main cabin 20 is passed data line hole 22 with secondary cabin 21 by the data line on the Wiring module 9 and is linked to each other, data line is accessed on the I connection terminal 17 of liquid-level pressure measuring module 8, with sealed colloid data line hole 22 is sealed, main cabin 20 and secondary cabin 21 air are isolated.Liquid tank 19 and differential pressure inductor 16 in the main cabin 20 seal by little O RunddichtringO 15, and big nut 12 carries out the top of the tight differential pressure inductor 16 of spinning.Liquid-level pressure measuring module 8 is fixed by M3 screw 10.Smear silica gel or vaseline at main 2 the large O RunddichtringO 13 of covering, put into a pouch drying agent, carry out again upper main cover 2, be fixed with stainless M4 hex socket set screws 7, the Wiring module 9 in the secondary cabin 21, be fixed with M3 screw 11, bus data line passes Waterproof lock, and the data line access is leaned on the nearer connection terminal of entrance, reserves a certain amount of, again water-proof cable tapered end 6 is tightened data line, and in 18 wiring place of II connection terminal with emulsus insulating gel or vaseline embedding.The mode of connection of other end in like manner.If level meter is last in bus, do not get final product having the water-proof cable tapered end 6 of use to change seal plug on the secondary cabin 21, tightening.At last, smear silica gel or vaseline at the middle O RunddichtringO 14 of pair lid 3, carry out again loam cake, be fixed with M4 hex socket set screws 7.
More than by the detailed description of concrete and preferred embodiment the present invention; but those skilled in the art should be understood that; the present invention is not limited to the above embodiment; within the spirit and principles in the present invention all; any modification of doing, be equal to replacement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a precision digital sedimentation sensing level meter is characterized in that, comprises main cabin and secondary cabin; Described main cabin comprises liquid-level pressure measuring module, main lid, liquid tank, big nut, liquid pipe, and stubborn joint, tracheae are twisted joint, large O RunddichtringO, little O RunddichtringO, a M3 fixed screw and M4 hex socket set screws soon soon; Described secondary cabin comprises secondary lid, Wiring module, the 2nd M3 fixed screw, middle O RunddichtringO and water-proof cable tapered end; Described liquid-level pressure measuring module comprises differential pressure inductor, microprocessor, holding circuit and auxiliary circuit;
Described main cabin is passed the data line hole with described secondary cabin by the data line on the described Wiring module and is linked to each other, and described data line accesses on the I connection terminal of described liquid-level pressure measuring module; Described data line hole is sealed by sealed colloid, with described main cabin and described secondary cabin air insulated;
Described liquid tank in the described main cabin and described differential pressure inductor seal by described little O RunddichtringO, and described big nut compresses the top of described differential pressure inductor; Described liquid-level pressure measuring module is fixed by a described M3 fixed screw.
2. precision digital sedimentation sensing level meter according to claim 1 is characterized in that, described liquid-level pressure measuring module is for evenly having smeared the liquid-level pressure measuring module of electronics special-purpose three anti-lacquers.
3. precision digital sedimentation sensing level meter according to claim 1, it is characterized in that, be coated with silica gel or vaseline on the described large O RunddichtringO of described main lid, and be provided with drying agent, described main lid is fixed by described M4 hex socket set screws, and the described Wiring module in the described secondary cabin is fixed by the 2nd M3 fixed screw, and described data line passes described Waterproof lock, described data line access is leaned on the nearer connection terminal of entrance, and pre-made allowance; Described data line is tightened by described water-proof cable tapered end, and wiring place of II connection terminal is by emulsus insulating gel or vaseline embedding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320173141 CN203203657U (en) | 2013-04-09 | 2013-04-09 | Precise digital settlement sensing level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320173141 CN203203657U (en) | 2013-04-09 | 2013-04-09 | Precise digital settlement sensing level meter |
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| Publication Number | Publication Date |
|---|---|
| CN203203657U true CN203203657U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320173141 Expired - Fee Related CN203203657U (en) | 2013-04-09 | 2013-04-09 | Precise digital settlement sensing level meter |
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| Country | Link |
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| CN (1) | CN203203657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403889A (en) * | 2015-08-14 | 2017-02-15 | 上海朝辉压力仪器有限公司 | Hydrostatic leveling instrument |
| CN113126304A (en) * | 2021-04-29 | 2021-07-16 | 闪耀现实(无锡)科技有限公司 | Optical device |
-
2013
- 2013-04-09 CN CN 201320173141 patent/CN203203657U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403889A (en) * | 2015-08-14 | 2017-02-15 | 上海朝辉压力仪器有限公司 | Hydrostatic leveling instrument |
| CN113126304A (en) * | 2021-04-29 | 2021-07-16 | 闪耀现实(无锡)科技有限公司 | Optical device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20170409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |