CN208704834U - A kind of anti-mud blocking laser liquid-level sensor measuring tube and laser liquid-level sensor - Google Patents
A kind of anti-mud blocking laser liquid-level sensor measuring tube and laser liquid-level sensor Download PDFInfo
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- CN208704834U CN208704834U CN201821321822.XU CN201821321822U CN208704834U CN 208704834 U CN208704834 U CN 208704834U CN 201821321822 U CN201821321822 U CN 201821321822U CN 208704834 U CN208704834 U CN 208704834U
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- level sensor
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- laser liquid
- measurement pipe
- mud
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Abstract
The utility model relates to a kind of anti-mud blocking laser liquid-level sensor measuring tube structure and laser liquid-level sensors.A kind of laser liquid-level sensor measuring tube of anti-mud blocking, it is respectively equipped with and laser liquid-level sensor and the bucket shape measurement matched connection member of pedestal in the upper and lower end of measurement pipe tube body (1), control valve open in usual is installed on the top of the measurement pipe tube body (1), tubular buoy (6) are equipped in measurement pipe tube body (1) below the control valve open in usual, the control valve open in usual is equipped with triggering control assembly/mechanism and is linked with the tubular buoy (6).A kind of laser liquid-level sensor of anti-mud blocking, using foregoing measurement pipe, in measurement pipe upper end installation laser liquid-level sensor.The utility model is applied to petroleum drilling engineering, and mud can be effectively prevent to block measurement pipe, influences exact filling level detection.
Description
Technical field
The utility model relates to a kind of anti-mud to block laser liquid-level sensor measuring tube structure and laser liquid-level sensor,
Applied to petroleum drilling engineering, mud can be effectively prevent to block measurement pipe, influence exact filling level detection.
Background technique
In petroleum exploration and development and drilling process, if it is possible in time, it is accurate, be stably obtained pit shaft drilling fluid (custom
Claim mud) liquid level signal, so that it may reliable judgement and decision-making foundation are provided for overflow in drilling process and the monitoring of leakage, and
Early discovery and prevention well kick leakage, create conditions for safety in production.
Currently, in domestic drilling process, to the monitoring technology of mud level mainly manually interval measurement, auxiliary is with floating
Ball-type liquidometer or supersonic liquid level monitor etc..The missing of the above technology is: artificial interval measurement not can solve real-time prison
Control, also cannot 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, vulnerable to mud fluctuation and vapor influence, be unable to reach stablize and
Accurately, therefore actual measurement needs can not be met.
It is proposed before applicant patent of invention " wave resistance is anti-to gush laser liquid level monitor " (patent No.:
201010614122.1) it is provided with cloche in measurement pipe and probe connecting portion, effective solution Level meter is by mud
Starch the influence problem of fluctuation；A kind of utility model patent " antifog laser liquid-level sensor " (patent No.: 201720370869.4)
Solving the problems, such as the vapor of measure field usually can make cloche surface atomizing so that influencing measurement effect；Patent of invention
" the liquid level sensor measurement pipe and liquid level sensor of anti-mud blocking " (patent No.: 201710544504.3) further solves
Adherence of mud fluid in measurement pipe forms mud wall built-up and cracking on measurement tube wall, and blocking measurement bore is so that influence measurement
The problem of effect.But due to the particularity of use environment, when altering the mud rapid increase that will lead in pit shaft in the shallow gas of shaft bottom,
Then it causes to alter the probe beyond normal measurement range blocking laser liquid-level sensor on the mud in measurement pipe, so that influencing
Measurement effect.
Summary of the invention
The utility model proposes a kind of anti-mud blocking laser liquid-level sensor measuring tube and laser liquid-level sensors, can
It effectively prevent mud to pour into the probe that measurement pipe top stops laser liquid-level sensor, avoids and alter blocking laser liquid-level on mud
The probe of sensor influences accurate detection of the laser liquid-level sensor to mud level signal.
Technical solution adopted by the utility model:
A kind of laser liquid-level sensor measuring tube of anti-mud blocking, including measurement pipe tube body (1), in the measurement pipe pipe
The upper and lower end of body (1) is respectively equipped with and laser liquid-level sensor and the bucket shape measurement matched connection structure of pedestal
Part installs control valve open in usual on the top of the measurement pipe tube body (1), the measurement pipe pipe below the control valve open in usual
Tubular buoy (6) are equipped in body (1), the control valve open in usual is equipped with triggering control assembly/mechanism and the tubular buoy (6)
It is linked.
The laser liquid-level sensor measuring tube of the anti-mud blocking, the control valve open in usual use slide valve
(13), the valve plate of the slide valve (13) is equipped with the torsion bar for pushing valve to close, the torsion bar and tubular buoy (6)
Upper surface is linked.
The laser liquid-level sensor measuring tube of the anti-mud blocking, the control valve open in usual use pneumatic ball valve
(3), the pneumatic ball valve (3) connects gas source, the normally opened gas circuit and gas of the hand-operated direction valve (2) by hand-operated direction valve (2)
The opening connection of dynamic ball valve (3), the normally closed gas circuit of the hand-operated direction valve (2) are connect with the closing mouth of pneumatic ball valve (3)；
Hole installation spring connecting rod (9), the inner end of the spring connecting rod (9) are opened on the tube wall of measurement pipe tube body (1)
It links with tubular buoy (6), the outboard end of the spring connecting rod (9) is associated with the switch knob of hand-operated direction valve (2).
The laser liquid-level sensor measuring tube of the anti-mud blocking, control valve open in usual use pneumatic ball valve (3), institute
It states pneumatic ball valve (3) and connects gas source, the normally opened gas circuit and pneumatic ball valve of the solenoid directional control valve (4) by solenoid directional control valve (4)
(3) opening connection, the normally closed gas circuit of solenoid directional control valve (4) is connect with the closing mouth of pneumatic ball valve (3), in the Pneumatic ball
The tube wall of measurement pipe tube body (1) below valve (3) is equipped with normally closed approach switch (5), the approach switch (5) and tubular
Buoy (6) cooperation linkage, the control loop of normally closed approach switch (5) access pneumatic ball valve (3).
The laser liquid-level sensor measuring tube of the anti-mud blocking, tubular buoy (6) outer diameter and measurement pipe pipe
The internal diameter of body (1) matches, and tubular buoy (6) center is equipped with perforation through-hole.
A kind of laser liquid-level sensor of anti-mud blocking, using foregoing measurement pipe, in the measurement pipe upper end
Laser liquid-level sensor is installed.
The laser liquid-level sensor of the anti-mud blocking is equipped with pallet body (10) in the bottom end of the measurement pipe, institute
Stating pallet body bottom center is network.
The utility model has the beneficial effects that
1, the anti-mud blocking laser liquid-level sensor measuring tube of the utility model and laser liquid-level sensor, utilize liquid
Buoyancy drives tubular buoy freely up and down to move, and then closes flashboard by triggering control assembly/mechanism (torsion bar) linkage
Valve, or control assembly/reset time gating (is triggered by the closing that spring connecting rod or electromagnetic valve linking control pneumatic ball valve
Plate valve or pneumatic ball valve are opened), to achieve the purpose that prevent to alter blocking laser probe on mud.The use of tubular buoy, i.e.,
Trigger condition is provided to approach switch motion, and does not influence laser sensor and detects true mud level.
2, the anti-mud blocking laser liquid-level sensor measuring tube of the utility model and laser liquid-level sensor, structure is simple,
Design rationally, for the laser liquid-level measurement of mud, can effectively improve the accuracy of measurement of mud level and the stability of measurement,
Safe and reliable detection accuracy is high, helps to ensure drilling well production safety.
Detailed description of the invention
Fig. 1 is one of the structural schematic diagram of the anti-mud blocking device of the utility model；
Fig. 2 is the second structural representation of the anti-mud blocking device of the utility model；
Fig. 3 is the third structural representation of the anti-mud blocking device of the utility model.
Specific embodiment
Below by specific embodiment, the technical solution of the utility model is described in further detail.
Embodiment 1
The laser liquid-level sensor measuring tube of the anti-mud blocking of the utility model, including measurement pipe tube body 1, in the survey
The upper and lower end of buret tube body 1 is respectively equipped with and laser liquid-level sensor and the matched connection knot of bucket shape measurement pedestal
Component, the utility model difference with the prior art are: control valve open in usual is installed on the top of the measurement pipe tube body 1,
Tubular buoy 6 is equipped in the measurement pipe tube body 1 below the control valve open in usual, the control valve open in usual is equipped with triggering control
Component/mechanism processed is linked with the tubular buoy 6.The purpose is to detect mud level by tubular buoy 6 to rise, and
Mud level starts control valve by tubular buoy in the case of rising and is closed, so that reaching prevents from altering blocking laser probe on mud
Purpose.
6 outer diameter of tubular buoy is matched with the internal diameter of measurement pipe tube body 1,6 center of tubular buoy be equipped with perforation through-hole with
Pass through conducive to laser.In order to which tubular buoy is in the intracorporal limit of measurement pipe pipe, support is equipped in the bottom end of the measurement pipe tube body 1
Frame body 10, the pallet body bottom center are network.
Referring to Fig. 1, the laser liquid-level sensor measuring tube of the present embodiment, control valve open in usual uses slide valve 13, described
The valve plate of slide valve 13 is equipped with the torsion bar for pushing valve to close, and the upper surface linkage of the torsion bar and tubular buoy 6 is matched
It closes.Altering on mud in measurement pipe 1 when use will push 6 uplink of tubular buoy, and 6 uplink of tubular buoy will push slide valve 13
Valve plate is closed, and be can be effectively prevented and is altered blocking laser sensor probe 12 on mud.If it is floating that mud level falls so tubular after rise
Drift 6 also and then falls and is detached from the valve plate of slide valve 13 after rise, and the valve plate of slide valve 13 automatically opens under the effect of gravity, laser sensing
The inner hole that the laser beam that device is emitted can pass through slide valve 13 visits the mud being mapped in the intermediate annular space of tubular buoy 6, thus
The lifting situation of true reaction mud level.When the decline of the mud level of pit shaft, tubular buoy 6, which can be fallen in, is mounted on measurement
On loop bracket 10 in pipe 1.Slide valve can also use check valve.
Embodiment 2
Referring to fig. 2, the present embodiment anti-mud blocking laser liquid-level sensor measuring tube, it is different from embodiment 1 it
It is in and uses pneumatic ball valve 3 in: the control valve open in usual, the pneumatic ball valve 3 connects gas source, institute by hand-operated direction valve 2
The normally opened gas circuit for stating hand-operated direction valve 2 is connect with the opening of pneumatic ball valve 3, the normally closed gas circuit and gas of the hand-operated direction valve 2
The closing mouth connection of dynamic ball valve 3；Installation spring connecting rod 9 in a hole is opened on the tube wall of measurement pipe tube body 1, the spring connects
The inner end of extension bar 9 and tubular buoy 6 link, the outboard end of the spring connecting rod 9 and the switch knob of hand-operated direction valve 2
Association.
(two five-way type hand-operated valves can be used) in hand-operated direction valve, and being altered on mud when use in measurement pipe 1 will push tubular
6 uplink of buoy, when 6 uplink push the spring formula connecting rod 9 of tubular buoy then pushes the switch knob of two five-way type hand-operated valves,
Close the normally open of two five-way type hand-operated valves and normally closed port opening, the gas being correspondingly connected with two five-way type hand-operated valve gas circuits
The gas circuit of dynamic ball valve 3 also corresponding actions, are finally reached ball valve and close the mesh for preventing from altering blocking laser sensor probe 12 on mud
's.If mud level falling so tubular buoy 6, which also and then falls after rise and pulls down spring connecting rod 9, then pulls down two five
The switch knob of general formula hand-operated valve 2 opens the normally open of two five-way type hand-operated valves 2 and normally closed port closing, pneumatic ball valve 3
Normally open is restored to by closing, the spool spy that the laser beam that laser sensor is emitted can pass through pneumatic ball valve 3 is mapped to
Mud in the intermediate annular space of tubular buoy 6, to really react the lifting situation of mud level.When under the mud level of pit shaft
When drop, tubular buoy 6 can be fallen on the loop bracket 10 being mounted in measurement pipe 1.
Embodiment 3
Referring to Fig. 3, the laser liquid-level sensor measuring tube of the anti-mud of the present embodiment blocking, it is different from embodiment 1 it
Be in:
The control valve open in usual uses pneumatic ball valve 3, and the pneumatic ball valve 3 connects gas source, institute by solenoid directional control valve 4
The normally opened gas circuit for stating solenoid directional control valve 4 is connect with the opening of pneumatic ball valve 3, the normally closed gas circuit and Pneumatic ball of solenoid directional control valve 4
The closing mouth of valve 3 connects, and normally closed approach switch is equipped on the tube wall of the measurement pipe tube body 1 below the ball valve 3 open in usual
5, the approach switch 5 links with the cooperation of tubular buoy 6, and the normally closed approach switch 5 accesses the control of pneumatic ball valve 3
Circuit.
Solenoid directional control valve 4 uses two five-way type solenoid valves.Normally closed approach switch 5 and two five-way type solenoid valves 4
Switching circuit association, being altered on mud when use in measurement pipe 1 will push 6 uplink of tubular buoy, when 6 uplink of tubular buoy reaches normal
When closing the working range of approach switch 5, normally closed type approaches switch 5 and connects and keep two five-way type solenoid valves 4 electric and normally opened
It mouthful closes and normally closed port is opened, the gas circuit for the pneumatic ball valve 3 being correspondingly connected with to two 4 gas circuits of five-way type solenoid valve is also corresponding to be moved
Make, is finally reached ball valve and closes the purpose for preventing from altering blocking laser sensor probe 12 on mud.If mud level falls that after rise
Tubular buoy 6 also and then falls and is detached from the working range of normally closed approach switch 5 after rise, makes normally closed type close to the closing of switch 5
Two 4 power loss of five-way type solenoid valve, normally open is opened and normally closed port is closed, and pneumatic ball valve 3 is also restored to normally open by closing,
The spool spy that the laser beam that laser sensor is emitted can pass through pneumatic ball valve 3 is mapped in the intermediate annular space of tubular buoy 6
Mud, to really react the lifting situation of mud level.When the decline of the mud level of pit shaft, tubular buoy 6 can be fallen in
It is mounted on the loop bracket 10 in measurement pipe 1.
Embodiment 4
Referring to Fig. 1, the present embodiment is a kind of laser liquid-level sensor specific embodiment of anti-mud blocking, using implementation
Measurement pipe described in example 1 installs laser liquid-level sensor in the measurement pipe upper end.
Embodiment 5
Referring to fig. 2, the present embodiment is a kind of laser liquid-level sensor specific embodiment of anti-mud blocking, using implementation
Measurement pipe described in example 2 installs laser liquid-level sensor in the measurement pipe upper end.
Embodiment 6
Referring to Fig. 3, the present embodiment is a kind of laser liquid-level sensor specific embodiment of anti-mud blocking, using implementation
Measurement pipe described in example 3 installs laser liquid-level sensor in the measurement pipe upper end.
The laser liquid-level sensor of the anti-mud blocking of the utility model, including measurement pipe, in the upper of the measurement pipe tube body 1
End and lower end, which are respectively equipped with, measures the matched connection member of pedestal with laser liquid-level sensor and bucket shape, in the survey
Control valve open in usual is installed on the top of buret tube body 1, and tubular is equipped in the measurement pipe tube body 1 below the control valve open in usual
Buoy 6, the control valve open in usual are equipped with triggering control assembly/mechanism and are linked with the tubular buoy 6.
The laser liquid-level sensor of the anti-mud blocking of the utility model, can effectively prevent mud to pour into the blocking of measurement pipe top
The probe of laser liquid-level sensor facilitates accurate detection of the laser liquid-level sensor to mud level signal.The triggering control
Component/mechanism processed, which is used, adapts to mating structure with the control valve open in usual used, is not limited to tool defined by the above various embodiments
Body measure.
Claims (7)
1. a kind of laser liquid-level sensor measuring tube of anti-mud blocking, including measurement pipe tube body (1), in the measurement pipe tube body
(1) upper and lower end, which is respectively equipped with, measures the matched connection member of pedestal with laser liquid-level sensor and bucket shape,
It is characterized by: control valve open in usual is installed on the top of the measurement pipe tube body (1), below the control valve open in usual
Tubular buoy (6) are equipped in measurement pipe tube body (1), the control valve open in usual is equipped with triggering control assembly/mechanism and the cylinder
Shape buoy (6) is linked.
2. the laser liquid-level sensor measuring tube of anti-mud blocking according to claim 1, it is characterised in that: described normally opened
Formula control valve uses slide valve (13), and the valve plate of the slide valve (13) is equipped with the torsion bar for pushing valve to close, the power
Square bar and the upper surface of tubular buoy (6) are linked.
3. the laser liquid-level sensor measuring tube of anti-mud blocking according to claim 1, it is characterised in that: described normally opened
Formula control valve uses pneumatic ball valve (3), and the pneumatic ball valve (3) connects gas source, the manual reverse of direction by hand-operated direction valve (2)
The normally opened gas circuit of valve (2) is connect with the opening of pneumatic ball valve (3), the normally closed gas circuit and Pneumatic ball of the hand-operated direction valve (2)
The closing mouth of valve (3) connects；Hole installation spring connecting rod (9), the spring are opened on the tube wall of measurement pipe tube body (1)
The inner end and tubular buoy (6) of connecting rod (9) are linked, the outboard end of the spring connecting rod (9) and hand-operated direction valve (2)
Switch knob association.
4. the laser liquid-level sensor measuring tube of anti-mud blocking according to claim 1, it is characterised in that: described normally opened
Formula control valve uses pneumatic ball valve (3), and the pneumatic ball valve (3) connects gas source, the electromagnetic switch by solenoid directional control valve (4)
The normally opened gas circuit of valve (4) is connect with the opening of pneumatic ball valve (3), the normally closed gas circuit of solenoid directional control valve (4) and pneumatic ball valve (3)
The connection of closing mouth, normally closed approach switch is equipped on the tube wall of the measurement pipe tube body (1) below the pneumatic ball valve (3)
(5), the approach switch (5) and tubular buoy (6) cooperation link, and the normally closed approach switch (5) accesses pneumatic ball valve
(3) control loop.
5. the laser liquid-level sensor measuring tube of anti-mud blocking according to any one of claims 1 to 4, feature exist
In: tubular buoy (6) outer diameter is matched with the internal diameter of measurement pipe tube body (1), and it is logical that tubular buoy (6) center is equipped with perforation
Hole.
6. the laser liquid-level sensor measuring tube of anti-mud blocking according to claim 5, it is characterised in that: in the survey
The bottom end of buret tube body (1) is equipped with pallet body (10), and the pallet body bottom center is network.
7. a kind of laser liquid-level sensor of anti-mud blocking, it is characterised in that: stifled using anti-mud as described in claim 1
The laser liquid-level sensor measuring tube of plug installs laser liquid in the laser liquid-level sensor measuring tube upper end of the anti-mud blocking
Level sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821321822.XU CN208704834U (en) | 2018-08-16 | 2018-08-16 | A kind of anti-mud blocking laser liquid-level sensor measuring tube and laser liquid-level sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821321822.XU CN208704834U (en) | 2018-08-16 | 2018-08-16 | A kind of anti-mud blocking laser liquid-level sensor measuring tube and laser liquid-level sensor |
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| CN208704834U true CN208704834U (en) | 2019-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413903A (en) * | 2020-04-01 | 2020-07-14 | 镇江颀珑工程技术服务有限公司 | Nonlinear time-delay remote monitoring system for industrial production |
-
2018
- 2018-08-16 CN CN201821321822.XU patent/CN208704834U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413903A (en) * | 2020-04-01 | 2020-07-14 | 镇江颀珑工程技术服务有限公司 | Nonlinear time-delay remote monitoring system for industrial production |
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