CN208816450U - A kind of liquid level sensor protective device - Google Patents
A kind of liquid level sensor protective device Download PDFInfo
- Publication number
- CN208816450U CN208816450U CN201820615108.5U CN201820615108U CN208816450U CN 208816450 U CN208816450 U CN 208816450U CN 201820615108 U CN201820615108 U CN 201820615108U CN 208816450 U CN208816450 U CN 208816450U
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- China
- Prior art keywords
- liquid level
- level sensor
- pumping plant
- stainless steel
- protection pipe
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Abstract
The utility model relates to a kind of liquid level sensor protective devices; including netted end face, balance hole, support rod, pumping plant cylinder inboard wall, stainless steel protection pipe, liquid level sensor, pumping plant cylinder; stainless steel protection pipe is screwed by support rod is installed on pumping plant cylinder inboard wall; it is sealed in pumping plant cylinder inboard wall fixed connection place using sealant, use fastening nut fastening support bar in pumping plant cylinder body outer wall and adjusts the position of support rod.The beneficial effects of the utility model are: novel liquid level sensor protective device structure is simple, and it is at low cost, it can effectively realize and play a protective role to static pressure type liquid level sensor, largely prolong its service life.
Description
Technical field
The utility model relates to municipal wastewater, rainwater and industrial wastewater pollution lifting means fields, and in particular to a kind of liquid level
Protector for sensor.
Background technique
With Development of China's Urbanization quickening and industry fast development, urban drainage and industrial wastewater pollution discharge and processing
Demand continues to increase, and a large amount of sewage lifting and processing equipment continue to bring out, wherein integrated prefabricated pumping plant is because integrated with its
Degree is high, short construction period and the features such as low cost and by favor.Liquid level sensor is one of main control equipment of pumping plant,
Its stability run is directly related to the operational reliability of pumping station system.Currently, the integrated prefabricated common liquid level of pumping plant passes
Sensor mainly includes floating ball lever meter, ultrasonic liquid level sensor and static pressure type liquid level sensor, static pressure type liquid level sensor with
Its more stable performance and be widely used.
The service life of static pressure type liquid level sensor is largely dependent on the structure design of protector for sensor, pumping plant
In system operation, level monitoring failure is such as encountered, will result in that liquid level is too low to cause pump motor to cross cause thermal damage or liquid
Position is excessively high to cause pumping station system draining to go wrong.Therefore, the rational design and application of protector for sensor are to pumping station system
Steady in a long-term, reliable run run into particularly important effect.
Existing traditional protective device entangles static pressure type liquid level sensor using easy stainless steel tube, to a certain extent
It plays a protective role, but is difficult to solve the liquid level sensor influence by the pressure oscillation of water pump suction inlet and sewage for a long time
The problems such as impurity clogging sensor probe or protective device.
Utility model content
The utility model overcomes the prior art mainly solving the technical problems that provide a kind of liquid level sensor protective device
The defects of, more effectively static pressure type liquid level sensor can be protected so that the operation of pumping station system it is more stable,
Reliably.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of liquid level sensor
Protective device, including netted end face, balance hole, support rod, pumping plant cylinder inboard wall, stainless steel protection pipe, liquid level sensor, pumping plant
Cylinder, which is characterized in that stainless steel protection pipe is screwed by support rod is installed on pumping plant cylinder inboard wall, in pumping plant cylinder
Wall fixed connection place is sealed using sealant, using fastening nut fastening support bar and adjusts support rod in pumping plant cylinder body outer wall
Position, to keep stainless steel protection pipe that can be vertically arranged in pumping plant cylinder, the tubular section of stainless steel protection pipe is ellipse
Shape, the bottom end of stainless steel protection pipe are disposed with netted end face, and the lower disposed of stainless steel protection pipe has balance hole, and balance hole is simultaneously
Positioned at the top of netted end face, liquid level sensor is installed in stainless steel protection pipe and its bottom is popped one's head in close to netted end face, net
Shape end face is formed by stainless steel wire cross weld, and maximum network interface is less than the probe body diameter of liquid level sensor, and network interface is in just
Pentagon arrangement, when welding, are formed using spot welding, and the number of balance hole is odd number, along the direction of stainless steel protection pipe pipe range
Evenly distributed arrangement, the maximum diameter of hole of balance hole are less than probe body diameter, and balance hole is trapezoidal pore structure, wherein pumping plant cylinder
One-stage double-sucking centrifugal pump is inside installed, the outlet of centrifugal pump is equipped with check-valves, and nickel is used at the volute inlet of centrifugal pump
The sealing of evanohm ring.
In one preferred embodiment of the utility model, support rod number is 2.
In one preferred embodiment of the utility model, balance hole number is 3.
The beneficial effects of the utility model are: a kind of liquid level sensor protective device of the utility model, bottom it is netted
End face limits liquid level sensor, in addition wall surface balance hole designs, can effectively prevent liquid level sensor and is frequently pulled, with
And when protection pipe is surprisingly blocked, liquid level sensor also can normally work.
The liquid level sensor protective device structure of the utility model is simple, at low cost, can effectively realize to static pressure type liquid
Level sensor plays a protective role, and largely prolongs its service life.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is a kind of structure chart of liquid level sensor protective device of the utility model.
Fig. 2 is the amplification assumption diagram of the lower left circled of Fig. 1 of the utility model.
The components in the drawings are labeled as follows: netted end face 1, balance hole 2, support rod 3, pumping plant cylinder inboard wall 4, stainless steel
Protection pipe 5, liquid level sensor 6.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to Fig. 1, the utility model embodiment includes: a kind of liquid level sensor protective device, including netted end face 1,
Balance hole 2, support rod 3, pumping plant cylinder inboard wall 4, stainless steel protection pipe 5, liquid level sensor 6, pumping plant cylinder, which is characterized in that
Stainless steel protection pipe 5 is screwed by support rod 3 and is installed on pumping plant cylinder inboard wall 4, in 4 fixed connection place of pumping plant cylinder inboard wall
It is sealed using sealant, use fastening nut fastening support bar 3 in pumping plant cylinder body outer wall and adjusts the position of support rod, to protect
Holding stainless steel protection pipe 5 can be vertically arranged in pumping plant cylinder, and the tubular section of stainless steel protection pipe 5 is ellipse, stainless steel
The bottom end of protection pipe 5 is disposed with netted end face 1, and the lower disposed of stainless steel protection pipe 5 has balance hole 2, and balance hole 2 is located at simultaneously
The top of netted end face 1, liquid level sensor 6 is installed in stainless steel protection pipe 5 and its bottom is popped one's head in close to netted end face 1, net
Shape end face 1 is formed by stainless steel wire cross weld, and maximum network interface is less than the probe body diameter of liquid level sensor 6, and network interface is in
Regular pentagon arrangement, when welding, are formed using spot welding, and the number of balance hole 2 is odd number, along 5 pipe range of stainless steel protection pipe
The evenly distributed arrangement in direction, the maximum diameter of hole of balance hole 2 are less than probe body diameter, and balance hole 2 is trapezoidal pore structure, wherein pumping
It stands and one-stage double-sucking centrifugal pump is installed in cylinder, the outlet of centrifugal pump is equipped with check-valves, at the volute inlet of centrifugal pump
It is sealed using nichrome ring.
In addition, 3 numbers of support rod are 2.
In addition, 2 numbers of balance hole are 3.
The beneficial effects of the utility model are: a kind of liquid level sensor protective device of the utility model, bottom it is netted
End face limits liquid level sensor, in addition wall surface balance hole designs, can effectively prevent liquid level sensor and is frequently pulled, with
And when protection pipe is surprisingly blocked, liquid level sensor also can normally work.
The liquid level sensor protective device structure of the utility model is simple, at low cost, can effectively realize to static pressure type liquid
Level sensor plays a protective role, and largely prolongs its service life.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is also included in the patent protection scope of the utility model.
Claims (3)
1. a kind of liquid level sensor protective device, including netted end face (1), balance hole (2), support rod (3), pumping plant cylinder inboard wall
(4), stainless steel protection pipe (5), liquid level sensor (6), pumping plant cylinder, which is characterized in that stainless steel protection pipe (5) passes through support
Bar (3), which is screwed, is installed on pumping plant cylinder inboard wall (4), is sealed in pumping plant cylinder inboard wall (4) fixed connection place using sealant,
Fastening nut fastening support bar (3) is used in pumping plant cylinder body outer wall and adjusts the position of support rod, to keep stainless steel protection
Pipe (5) can be vertically arranged in pumping plant cylinder, and the tubular section of stainless steel protection pipe (5) is ellipse, stainless steel protection pipe (5)
Bottom end be disposed with netted end face (1), the lower disposed of stainless steel protection pipe (5) has balance hole (2), balance hole (2) simultaneously position
In the top of netted end face (1), liquid level sensor (6) is installed in stainless steel protection pipe (5) and its bottom is popped one's head in close to netted
End face (1), netted end face (1) are formed by stainless steel wire cross weld, and maximum network interface is less than the probe master of liquid level sensor (6)
Body diameter, network interface arrange that when welding is formed using spot welding in regular pentagon, and the number of balance hole (2) is odd number, along stainless
The maximum diameter of hole of the evenly distributed arrangement in direction of steel protection pipe (5) pipe range, balance hole (2) is less than probe body diameter, balance hole
(2) it is trapezoidal pore structure, one-stage double-sucking centrifugal pump is wherein installed, the outlet of centrifugal pump is equipped with non-return in pumping plant cylinder
Valve is sealed at the volute inlet of centrifugal pump using nichrome ring.
2. a kind of liquid level sensor protective device according to claim 1, which is characterized in that support rod (3) number is 2
It is a.
3. a kind of liquid level sensor protective device according to claim 1, which is characterized in that balance hole (2) number is 3
It is a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820615108.5U CN208816450U (en) | 2018-04-27 | 2018-04-27 | A kind of liquid level sensor protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820615108.5U CN208816450U (en) | 2018-04-27 | 2018-04-27 | A kind of liquid level sensor protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208816450U true CN208816450U (en) | 2019-05-03 |
Family
ID=66268543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820615108.5U Active CN208816450U (en) | 2018-04-27 | 2018-04-27 | A kind of liquid level sensor protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208816450U (en) |
-
2018
- 2018-04-27 CN CN201820615108.5U patent/CN208816450U/en active Active
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