CN206919978U - The liquid level sensor measurement pipe and liquid level sensor that anti-mud blocks - Google Patents
The liquid level sensor measurement pipe and liquid level sensor that anti-mud blocks Download PDFInfo
- Publication number
- CN206919978U CN206919978U CN201720822117.7U CN201720822117U CN206919978U CN 206919978 U CN206919978 U CN 206919978U CN 201720822117 U CN201720822117 U CN 201720822117U CN 206919978 U CN206919978 U CN 206919978U
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- measurement pipe
- mud
- pipe body
- level sensor
- liquid level
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- Withdrawn - After Issue
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Abstract
It the utility model is related to liquid level sensor measurement pipe and the liquid level sensor that a kind of anti-mud blocks.The liquid level sensor measurement pipe that a kind of anti-mud blocks, including measurement pipe body, it is provided with or is matched with measurement pipe body provided with the connection member to match with biosensor cartridge in measurement pipe body upper end, in measurement pipe body or coordinate to be provided with measurement pipe body and scrape mud device, the mud device of scraping includes drive mechanism and mud-scraping mechanism, the drive mechanism is connected with mud-scraping mechanism, and mud-scraping mechanism is arranged in measurement pipe body and matched with the internal diameter of measurement pipe body.A kind of antifog laser liquid-level sensor, including detector and measurement pipe, the liquid level sensor measurement pipe that the anti-mud that measurement pipe uses blocks.Measurement pipe coordinates liquid level sensor in use, compressed gas drives the mud-scraping mechanism in measurement pipe to rotate or do upper and lower reciprocating motion by drive mechanism, so as to remove the mud adhered on measurement inside pipe wall, prevents laser measurement channel jam.
Description
Technical field
The measurement pipe that a kind of anti-mud blocks is the utility model is related to, belongs to petroleum drilling engineering technical field, especially
It is related to a kind of measurement pipe with anti-adherence of mud fluid blockage structure supporting to laser liquid-level sensor.
Background technology
In petroleum exploration and development and drilling process in time, accurately, stably, reliably transmit drilling fluid（It is commonly called as mud）Liquid
Position signal, it is possible to provide judgement and decision-making foundation for overflow in drilling process and the monitoring of leakage, find early and prevent well
Leakage is gushed, is created conditions for safety in production.
At present, in domestic drilling process, to the monitoring technology of mud level mainly manually interval measurement, aid in floating
Ball liquid level gauge or supersonic liquid level monitor etc..The missing of above technology is：Artificial interval measurement can not solve to supervise in real time
Control, can not also exclude human error factor, therefore, continuity, the accuracy of measurement are inadequate.Floating ball type liquid-level meter measurement error
Greatly；And although Ultrasonic Level Measurement Device precision is higher, easily influenceed by mud fluctuation and vapor, be unable to reach it is stable and
Accurately, therefore can not meet to survey needs.
The patent of invention proposed before applicant《Wave resistance is anti-to gush laser liquid level monitor》（The patent No.：
201010614122.1）Cloche is provided with measurement pipe and probe connecting portion, effectively solves Level meter by mud
Starch the influence problem of fluctuation；The utility model patent proposed before applicant《A kind of antifog laser liquid-level sensor》（Patent
Number：）The vapor for solving the problems, such as measure field usually can make cloche surface atomizing so that influenceing measurement effect.But due to
The particularity of use environment, the mud in measurement pipe can be attached on measurement tube wall and form mud wall built-up and cracking, block measurement
Bore is so that influence measurement effect.
Utility model content
The utility model is in view of the shortcomings of the prior art, proposing a kind of liquid level sensor measurement pipe of anti-mud blocking and making
With the laser liquid-level sensor of the measurement pipe.In the measurement pipe body or coordinate to be provided with the measurement pipe body and scrape mud
Sizing device, mud-scraping mechanism in measurement pipe body internal rotation or does upper and lower reciprocating motion under drive mechanism effect, so as to clear
Except the mud adhered on measurement inside pipe wall, laser measurement channel jam is prevented.
Technical scheme used by the utility model：
The liquid level sensor measurement pipe that a kind of anti-mud blocks, including measurement pipe body（1）, in the measurement pipe body
（1）Upper end is provided with or matched with the measurement pipe body provided with the connection member to match with biosensor cartridge, in institute
State measurement pipe body（1）Interior or coordinate to be provided with the measurement pipe body and scrape mud device, the mud device of scraping includes driving
Motivation structure and mud-scraping mechanism（7）, the drive mechanism and mud-scraping mechanism（7）Drive connection, mud-scraping mechanism are arranged at measurement pipe
Body（1）It is interior and match with the internal diameter of measurement pipe body；The mud-scraping mechanism is under drive mechanism effect in measurement pipe body
Internal rotation does upper and lower reciprocating motion.
The liquid level sensor measurement pipe that described anti-mud blocks, drive mechanism is using source of the gas as power, the driving
Mechanism includes the valve of air inlet connection source of the gas（9）, impeller（6）And hollow shaft（5）, the hollow shaft（5）Pass through bearing（3）
It is arranged at bearing suit or measurement pipe body（1）It is interior, impeller（6）It is fixed on hollow shaft（5）On, valve（9）It is fixed on bearing holder (housing, cover)
Dress or measurement pipe body（1）Relevant position, valve（9）Gas outlet and impeller（6）It is corresponding, hollow shaft（5）Bottom and mud scraper
Structure（7）Connection.
The liquid level sensor measurement pipe that described anti-mud blocks, drive mechanism is using source of the gas as power, drive mechanism
Including cylinder（11）, rack（10）, gear（12）And hollow shaft（5）, the hollow shaft（5）Pass through bearing（3）It is arranged at axle
Bearing sleeve fills or measurement pipe body（1）It is interior, gear（12）It is fixed on hollow shaft（5）On, rack（10）And cylinder（11）Push rod consolidate
Fixed connection, gear（12）And rack（10）Coordinate, hollow shaft（5）Lower end and mud-scraping mechanism（7）Connection.
The liquid level sensor measurement pipe that described anti-mud blocks, mud-scraping mechanism（7）Using a rectangular frame or one block of steel
Cleaning shoe is made in plate；Or contour shape and measurement pipe body are made using stainless steel tube（1）The mouse cage type structure of internal diameter matching；
Hollow shaft（5）When being arranged in bearing suit, bearing holder (housing, cover) loads onto end and connection member（8）Connection, lower end and measurement pipe body
（1）Matching connection.
The liquid level sensor measurement pipe that described anti-mud blocks, mud-scraping mechanism（7）Using with measurement pipe internal diameter of tube body
Mouse cage type structure is made in the stainless steel tube matched somebody with somebody, and longitudinally empties to form bar hole on the tube wall between stainless steel tube both ends, according to
The scraper for needing quantity of formation not wait；Hollow shaft（5）When being arranged in bearing suit, bearing holder (housing, cover) loads onto end and connection member
（8）Connection, lower end and measurement pipe body（1）Matching connection.
The liquid level sensor measurement pipe that described anti-mud blocks, drive mechanism is using source of the gas as power, drive mechanism
Including cylinder（11）, cylinder push-rod（13）, piston rod（14）And hollow piston（15）, the hollow piston（15）Matching is set
It is placed in cylinder sleeve or measurement pipe body（1）It is interior, cylinder（11）It is vertically fixed on cylinder sleeve or measurement pipe body（1）Outer wall, piston rod
（14）With hollow piston（15）Connection, cylinder push-rod（13）With piston rod（14）It is mutually fixed, along cylinder push-rod（13）And piston
Connecting rod（14）Stroke is provided with bar hole, hollow piston on cylinder bore wall（15）Lower end and mud-scraping mechanism（7）Connection.
The liquid level sensor measurement pipe that described anti-mud blocks, mud-scraping mechanism（7）Wheel profile is made using stainless steel tube
Shape and measurement pipe body（1）Internal diameter matching mouse cage type structure, or by with measurement pipe body（1）The stainless steel tube of internal diameter matching
Some spaces being drawn out among both ends holding is complete scraper being made, the upper and lower of two neighboring space is smaller than cylinder push-rod（13）
Range ability, hollow piston（15）In cylinder push-rod（13）Drive under do upper and lower reciprocating motion；Hollow piston（15）Set
When in cylinder sleeve, the cylinder sleeve upper end and connection member（8）Connection, lower end and measurement pipe body（1）Matching connection.
A kind of antifog laser liquid-level sensor, including detector and measurement pipe, the measurement pipe is using any one of foregoing anti-
Mud block liquid level sensor measurement pipe, the measurement pipe directly or by independent design connection member（8）With with biography
The annular connect base matching connection of sensor detector connection, is set between the detector and annular connect base by sealing gasket
The light transmission piece of barrier mud is equipped with, in the measurement pipe body（1）Upper end or the connection member of independent design（8）It is provided with
Air inlet, matched with the air inlet and source of the gas, the measurement pipe body are connected by tracheae provided with valve（1）Upper end is independently set
The connection member of meter（8）It is upper to be provided with steam vent simultaneously, light transmission piece lower section mud liquid level is purged using air to avoid light transmission piece
Surface fogging.
A kind of antifog laser liquid-level sensor, including detector and measurement pipe, measurement pipe is using any one of foregoing anti-mud
The liquid level sensor measurement pipe of blocking, the measurement pipe directly or by independent design connection member（8）With with detector
The annular connect base matching connection of connection, obstruct mud and make laser detection probe swash light transmissive light transmission piece be arranged at it is described
In annular connect base, it is flexibly connected in the annular connect base with it provided with light transmission piece mounting seat, in the light transmission piece
Electric heating part and heat conduction ring are provided with the cylindrical cavity of mounting seat, the electric heating part is arranged on by wire connection to be fixed on
The heating control circuit on wiring board on ship shape circuit board mounting stand.
Described antifog laser liquid-level sensor, in the measurement pipe body upper end or the connection member of independent design
（8）Air inlet is provided with, is matched with the air inlet and source of the gas, the measurement pipe body is connected by tracheae provided with valve（1）Upper end
Portion or the connection member of independent design（8）It is upper to be provided with steam vent simultaneously；Using air purging light transmission piece below mud liquid level with
Avoid light transmission piece surface fogging.
The beneficial effects of the utility model：
1st, the liquid level sensor measurement pipe and sensed using the laser liquid-level of the measurement pipe that the anti-mud of the utility model blocks
Device, in use, utilize compressed gas as power, make mud-scraping mechanism under drive mechanism effect in measurement pipe body internal rotation or
Upper and lower reciprocating motion is done, so as to remove the mud adhered on measurement inside pipe wall, prevents laser measurement channel jam.Can
Formed with thoroughly to solve the problems, such as the adherence of mud fluid in measurement pipe on measurement tube wall wall built-up and cracking cause to measure it is invalid, can be with
Unimpeded Measurement channel is provided for laser liquid-level sensor, advantageously ensures that the accuracy of detection of drilling mud liquid level signal and accurate
Property.
2nd, the liquid level sensor measurement pipe and sensed using the laser liquid-level of the measurement pipe that the anti-mud of the utility model blocks
Device, fundamentally solve in Process of Oil Well Drilling to the qualitative monitoring problem of overflow.Overflow monitoring is it in the weight in well control
Weight, overflow can not find that its consequence of triggered blowout is catastrophic in time, and how in the very first time, discovery overflow is the world
The problem of property.At present, the method for domestic external monitor overflow, mainly manually or using floating ball type liquid level sensor or ultrasound
Waves liquid level sensor, by the increase and decrease for monitoring drilling circulation slush volume, it is determined whether there is overflow Fang Sheng.More than this
The problem of a little monitoring method maximum is hysteresis quality, after its reason is that it only waits until that spillway discharge reaches a number of accumulation,
Overflow can just be determined whether.The utility model is simple in construction, with strong points, and overflow can be found in the very first time, and
The pre-warning time that overflow monitors was foreshortened to 1 minute from 15 minutes.
Brief description of the drawings Fig. 1 is one of measurement pipe structural representation that the anti-mud of the utility model blocks；
Fig. 2 is the two of the measurement pipe structural representation that the anti-mud of the utility model blocks；
Fig. 3 is the three of the measurement pipe structural representation that the anti-mud of the utility model blocks；
Fig. 4 is the four of the measurement pipe structural representation that the anti-mud of the utility model blocks.
Embodiment
The liquid level sensor measurement pipe that the anti-mud of the utility model blocks, including measurement pipe body, in the measurement pipe pipe
Body upper end is provided with or matched with the measurement pipe body provided with the connection member to match with biosensor cartridge, described
In measurement pipe body or coordinate to be provided with the measurement pipe body and scrape mud device, the mud device of scraping includes drive mechanism
And mud-scraping mechanism, the drive mechanism and mud-scraping mechanism are connected, mud-scraping mechanism be arranged in measurement pipe body and with survey
The internal diameter of buret body matches；The mud-scraping mechanism in measurement pipe body internal rotation or is done upper and lower under drive mechanism effect
Move back and forth.
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in further detail.
Embodiment 1
Referring to Fig. 1, the liquid level sensor measurement pipe of the anti-mud blocking of the present embodiment, including measurement pipe body 1, described
The upper end of measurement pipe body 1 is provided with the connection member to match with biosensor cartridge, is set in the measurement pipe body 1
Mud device is scraped, the mud device of scraping includes drive mechanism and mud-scraping mechanism 7, the drive mechanism and mud-scraping mechanism 7
Drive connection, mud-scraping mechanism 7 are arranged in measurement pipe body 1 and matched with the internal diameter of measurement pipe body 1；The mud-scraping mechanism
7 in the presence of drive mechanism in the internal rotation of measurement pipe body 1.
For drive mechanism using source of the gas as power, the drive mechanism includes valve 9, the impeller 6 of air inlet connection source of the gas
And hollow shaft 5, the hollow shaft 5 are arranged in measurement pipe body 1 by bearing 3, impeller 6 is fixed in hollow shaft 5, valve
9 are fixed on relevant position on measurement pipe body 1, the gas outlet of valve 9 and the correspondence of impeller 6, the bottom of hollow shaft 5 and mud-scraping mechanism
7 connections.
Convex step can be set in measurement pipe body 1, an annular groove is set above convex step, bearing 3 is put into measurement
In pipe and it is seated on convex step, is embedded in using an annular spring 4 in annular groove, so as to fix bearing.Hollow shaft 5
Upper/lower terminal has male thread, and impeller 6 is hollow design, and hollow inwall has interior screw thread, and impeller 6 is spirally connected with the upper end of hollow shaft 5.
Embodiment 2
Referring to Fig. 2, the liquid level sensor measurement pipe of the anti-mud blocking of the present embodiment, as different from Example 1, surveying
Buret top, matched with the measurement pipe body 1 provided with the connection member 8 to match with biosensor cartridge, in the survey
Coordinate to be provided with the measurement pipe body 1 in buret body and scrape mud device, it is described scrape mud device include drive mechanism and
Mud-scraping mechanism 7, the drive mechanism are connected with mud-scraping mechanism 7, mud-scraping mechanism 7 be arranged in measurement pipe body 1 and with survey
The internal diameter of buret body 1 matches.
Hollow shaft 5 is arranged at bearing suit 2 by bearing 3（Box body, case structure or pipe can be used）Interior, valve 9 is solid
Due to the relevant position of bearing suit 2.The bearing is set with 2 upper ends and is connected with connection member 8, is connected by connection member 8
Biosensor cartridge is connect, bearing is set with 2 lower ends and matches connection with measurement pipe body.
Embodiment 3
Referring to Fig. 3, the liquid level sensor measurement pipe of the anti-mud blocking of the present embodiment is different from embodiment 1 or embodiment 2
Be：Drive mechanism includes cylinder 11, rack 10, gear 12 and hollow shaft 5, and the hollow shaft 5 is arranged at axle by bearing 3
In bearing sleeve dress or measurement pipe body 1, gear 12 is fixed in hollow shaft 5, and rack 10 is fixedly connected with the push rod of cylinder 11, gear
12 and rack 10 coordinate, the lower end of hollow shaft 5 couples with mud-scraping mechanism 7.
The liquid level sensor measurement pipe that the anti-mud of foregoing embodiments blocks, mud-scraping mechanism 7 use and measurement pipe body
Mouse cage type structure is made in the stainless steel tube of internal diameter matching, longitudinally empties to form bar shaped on the tube wall between stainless steel tube both ends
Hole, the scraper that quantity of formation as needed does not wait.
Mud-scraping mechanism 7 can also use a rectangular frame or one block of steel plate that cleaning shoe is made；Or it is made of stainless steel tube
The mouse cage type structure that contour shape matches with measurement pipe internal diameter of tube body.
Embodiment 4
Referring to Fig. 4, the liquid level sensor measurement pipe of the anti-mud blocking of the present embodiment is different from foregoing embodiments
It is that drive mechanism includes cylinder 11, cylinder push-rod 13, piston rod 14 and hollow piston 15, the hollow piston 15 matches
Be arranged in cylinder sleeve or measurement pipe body 1, cylinder 11 is vertically fixed on cylinder sleeve or the outer wall of measurement pipe body 1, piston rod 14 with
Hollow piston 15 is connected, and cylinder push-rod 13 is fixed with the phase of piston rod 14, along cylinder push-rod 13 and the stroke of piston rod 14 in cylinder
Jacket wall is provided with bar hole, and the lower end of hollow piston 15 couples with mud-scraping mechanism 7.
The mouse cage type structure that contour shape matches with the internal diameter of measurement pipe body 1 is made using stainless steel tube in mud-scraping mechanism 7, or
Person keeps complete centre to draw out some spaces and scraper is made by the stainless steel tube both ends matched with the internal diameter of measurement pipe body 1, adjacent
The upper and lower range ability for being smaller than cylinder push-rod 13 in two spaces, hollow piston 15 are done under the drive of cylinder push-rod 13
Upper and lower reciprocating motion.
For embodiment 5 referring to Fig. 1~Fig. 4, the present embodiment is the embodiment of antifog laser liquid-level sensor, including is detected
Head and measurement pipe, the liquid level sensor measurement pipe that the measurement pipe is blocked using the anti-mud described in foregoing any embodiment, institute
Measurement pipe is stated to connect directly or by the connection member 8 of independent design and the annular connect base being connected with detector matching,
The light transmission piece of barrier mud is provided between the detector and annular connect base by sealing gasket, in the measurement pipe body
The connection member 8 of 1 upper end or other independent design is provided with air inlet, is matched with the air inlet and is provided with upper valve 16
By tracheae connection source of the gas, simultaneously provided with exhaust on the connection member 8 of the upper end of measurement pipe body 1 or independent design
Hole, in use, purging mud liquid level below light transmission piece using air, light transmission piece surface condensation phenomenon can be effectively avoided, ensured
The accuracy of detection and accuracy of drilling well liquid level signal in the case where there is water vapor atmosphere.
Embodiment 6
Referring to Fig. 1~Fig. 4, the present embodiment is the embodiment of antifog laser liquid-level sensor, including detector and measurement
Pipe, the liquid level sensor measurement pipe that the measurement pipe is blocked using the anti-mud described in foregoing any embodiment, the measurement pipe
Directly or by other independent design connection member 8 with and the annular connect base that is connected of detector match and connect, barrier
Mud simultaneously makes laser detection probe swash light transmissive light transmission piece to be arranged in the annular connect base, at the annular connection bottom
It is flexibly connected in seat with it provided with light transmission piece mounting seat, electric heating part is provided with the cylindrical cavity of the light transmission piece mounting seat
And heat conduction ring, the electric heating part is arranged on by wire connection is fixed on adding on the wiring board on ship shape circuit board mounting stand
Thermal control circuit.
Embodiment 7
The antifog laser liquid-level sensor of the present embodiment, as different from Example 6：In the upper end of the measurement pipe body
Portion or connection member 8 are provided with air inlet, are matched with the air inlet and are connected source of the gas by tracheae provided with upper valve 16, described
Steam vent is provided with the upper end of measurement pipe body 1 or connection member 8 simultaneously；Utilize mud liquid level below air purging light transmission piece
To avoid light transmission piece surface fogging.
Described antifog laser liquid-level sensor, during practical application, gases at high pressure pass through tracheae and connect a two-bit triplet
Magnetic valve, purging air connect the one outlet of two-bit triplet magnetic valve by pressure regulator valve, and the power gas source except mud enters
Gas port is exported by another of tracheae and two-bit triplet magnetic valve and connected, and the two-bit triplet magnetic valve controlled connection is in function
Control circuit, light transmission piece demisting purging or measurement pipe interval is controlled to remove mud by PLC.
Claims (10)
1. the liquid level sensor measurement pipe that a kind of anti-mud blocks, including measurement pipe body（1）, in the measurement pipe body（1）
Upper end is provided with or matched with the measurement pipe body to exist provided with the connection member to match with biosensor cartridge, its feature
In：In the measurement pipe body（1）It is interior or with the measurement pipe body coordinate be provided with scrape mud device, it is described to scrape mud device
Including drive mechanism and mud-scraping mechanism（7）, the drive mechanism and mud-scraping mechanism（7）Drive connection, mud-scraping mechanism are arranged at
Measurement pipe body（1）It is interior and match with the internal diameter of measurement pipe body；The mud-scraping mechanism is measuring under drive mechanism effect
Pipe body internal rotation does upper and lower reciprocating motion.
2. the liquid level sensor measurement pipe that anti-mud according to claim 1 blocks, it is characterised in that：Drive mechanism uses
For source of the gas as power, the drive mechanism includes the valve of air inlet connection source of the gas（9）, impeller（6）And hollow shaft（5）, institute
State hollow shaft（5）Pass through bearing（3）It is arranged at bearing suit or measurement pipe body（1）It is interior, impeller（6）It is fixed on hollow shaft（5）
On, valve（9）It is fixed on bearing suit or measurement pipe body（1）Relevant position, valve（9）Gas outlet and impeller（6）It is corresponding, it is empty
Mandrel（5）Bottom and mud-scraping mechanism（7）Connection.
3. the liquid level sensor measurement pipe that anti-mud according to claim 1 blocks, it is characterised in that：Drive mechanism uses
Source of the gas includes cylinder as power, drive mechanism（11）, rack（10）, gear（12）And hollow shaft（5）, the hollow shaft
（5）Pass through bearing（3）It is arranged at bearing suit or measurement pipe body（1）It is interior, gear（12）It is fixed on hollow shaft（5）On, rack
（10）And cylinder（11）Push rod be fixedly connected, gear（12）And rack（10）Coordinate, hollow shaft（5）Lower end and mud-scraping mechanism
（7）Connection.
4. the liquid level sensor measurement pipe that the anti-mud according to Claims 2 or 3 blocks, it is characterised in that：Mud-scraping mechanism
（7）Cleaning shoe is made using a rectangular frame or one block of steel plate；Or contour shape and measurement pipe pipe are made using stainless steel tube
Body（1）The mouse cage type structure of internal diameter matching；Hollow shaft（5）When being arranged in bearing suit, bearing holder (housing, cover) loads onto end and attachment structure
Part（8）Connection, lower end and measurement pipe body（1）Matching connection.
5. the liquid level sensor measurement pipe that the anti-mud according to Claims 2 or 3 blocks, it is characterised in that：Mud-scraping mechanism
（7）Mouse cage type structure is made using the stainless steel tube matched with measurement pipe internal diameter of tube body, the tube wall between stainless steel tube both ends
Upper longitudinal direction is emptied to form bar hole, the scraper that quantity of formation as needed does not wait；Hollow shaft（5）When being arranged in bearing suit,
Bearing holder (housing, cover) loads onto end and connection member（8）Connection, lower end and measurement pipe body（1）Matching connection.
6. the liquid level sensor measurement pipe that anti-mud according to claim 1 blocks, it is characterised in that：Drive mechanism（2）
Cylinder is included as power, drive mechanism using source of the gas（11）, cylinder push-rod（13）, piston rod（14）And hollow piston
（15）, the hollow piston（15）Matching is arranged at cylinder sleeve or measurement pipe body（1）It is interior, cylinder（11）Be vertically fixed on cylinder sleeve or
Measurement pipe body（1）Outer wall, piston rod（14）With hollow piston（15）Connection, cylinder push-rod（13）With piston rod（14）Phase
It is fixed, along cylinder push-rod（13）And piston rod（14）Stroke is provided with bar hole, hollow piston on cylinder bore wall（15）Lower end with
Mud-scraping mechanism（7）Connection.
7. the liquid level sensor measurement pipe that anti-mud according to claim 6 blocks, it is characterised in that：Mud-scraping mechanism（7）
Contour shape and measurement pipe body are made using stainless steel tube（1）Internal diameter matching mouse cage type structure, or by with measurement pipe pipe
Body（1）The stainless steel tube both ends of internal diameter matching draw out some spaces and are made scraper among keeping complete, two neighboring space it is upper,
Under be smaller than cylinder push-rod（13）Range ability, hollow piston（15）In cylinder push-rod（13）Drive under do it is upper and lower past
Multiple motion；Hollow piston（15）When being arranged in cylinder sleeve, the cylinder sleeve upper end and connection member（8）Connection, lower end and measurement
Pipe body（1）Matching connection.
8. a kind of antifog laser liquid-level sensor, including detector and measurement pipe, the measurement pipe use claim 1~7 times
The liquid level sensor measurement pipe that anti-mud described in one blocks, the measurement pipe directly or by independent design attachment structure
Part（8）The annular connect base matching connection being connected with biosensor cartridge, between the detector and annular connect base
The light transmission piece of barrier mud is provided with by sealing gasket, in the measurement pipe body（1）Upper end or the connection knot of independent design
Component（8）Air inlet is provided with, is matched with the air inlet and source of the gas, the measurement pipe body is connected by tracheae provided with valve（1）
Upper end or the connection member of independent design（8）It is upper to be provided with steam vent simultaneously, purge slurry liquid below light transmission piece using air
Face is to avoid light transmission piece surface fogging.
9. a kind of antifog laser liquid-level sensor, including detector and measurement pipe, measurement pipe is using any one of claim 1~7
The liquid level sensor measurement pipe that described anti-mud blocks, the measurement pipe directly or by independent design connection member
（8）The annular connect base matching connection being connected with detector, obstructs mud and to swash laser detection probe light transmissive
Mating plate is arranged in the annular connect base, is flexibly connected with it in the annular connect base and is installed provided with light transmission piece
Seat, is provided with electric heating part and heat conduction ring, the electric heating part passes through wire in the cylindrical cavity of the light transmission piece mounting seat
Connection is arranged on the heating control circuit being fixed on the wiring board on ship shape circuit board mounting stand.
10. antifog laser liquid-level sensor according to claim 9, it is characterised in that：In the measurement pipe body upper end
Portion or the connection member of independent design（8）Air inlet is provided with, is matched with the air inlet and gas is connected by tracheae provided with valve
Source, the measurement pipe body（1）Upper end or the connection member of independent design（8）It is upper to be provided with steam vent simultaneously；Utilize air
Light transmission piece lower section mud liquid level is purged to avoid light transmission piece surface fogging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822117.7U CN206919978U (en) | 2017-07-10 | 2017-07-10 | The liquid level sensor measurement pipe and liquid level sensor that anti-mud blocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822117.7U CN206919978U (en) | 2017-07-10 | 2017-07-10 | The liquid level sensor measurement pipe and liquid level sensor that anti-mud blocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206919978U true CN206919978U (en) | 2018-01-23 |
Family
ID=61336318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720822117.7U Withdrawn - After Issue CN206919978U (en) | 2017-07-10 | 2017-07-10 | The liquid level sensor measurement pipe and liquid level sensor that anti-mud blocks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206919978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167218A (en) * | 2017-07-10 | 2017-09-15 | 濮阳市百福瑞德石油科技有限公司 | Liquid level sensor measurement pipe and liquid level sensor that anti-mud is blocked |
-
2017
- 2017-07-10 CN CN201720822117.7U patent/CN206919978U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167218A (en) * | 2017-07-10 | 2017-09-15 | 濮阳市百福瑞德石油科技有限公司 | Liquid level sensor measurement pipe and liquid level sensor that anti-mud is blocked |
| CN107167218B (en) * | 2017-07-10 | 2023-08-22 | 濮阳市百福瑞德石油科技有限公司 | Liquid level sensor measuring tube capable of preventing mud from blocking and liquid level sensor |
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