CN208633132U - A kind of intelligent pneumatic power dewatering device for Water Level in Foundation Pit control - Google Patents
A kind of intelligent pneumatic power dewatering device for Water Level in Foundation Pit control Download PDFInfo
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- CN208633132U CN208633132U CN201821297889.4U CN201821297889U CN208633132U CN 208633132 U CN208633132 U CN 208633132U CN 201821297889 U CN201821297889 U CN 201821297889U CN 208633132 U CN208633132 U CN 208633132U
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- vapour lock
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Abstract
The utility model discloses a kind of intelligent pneumatic power dewatering devices for Water Level in Foundation Pit control, the utility model includes immersible pump, drinking-water pipe, three-level electronic box and the back pressure pneumatic sensor being made of air bridge amplifier and back pressure sensing head, the utility model causes corresponding vapour lock to change by the height variation that back pressure sensing head incudes water level, magnetic piston is caused to move up and down, it can star magnetic reed switch, issue electric signal, control diving pump work, so that water level in dewatering well is maintained setting height, keeps stable level.Manpower is saved in the utility model environmental protection and energy saving, can be effectively controlled Water Level in Foundation Pit, guarantees deep pit monitor construction.The utility model is suitable for civil engineering precipitation technical field.
Description
Technical field
The utility model relates to civil engineering precipitation technical fields, and in particular to a kind of intelligence for Water Level in Foundation Pit control
Pneumatic dewatering device.
Background technique
With the continuous development of urban underground space, deep-foundation pit engineering is more and more, and excavation area is increasing, excavates
Depth is deeper and deeper, and in this context, vacuum pump precipitation apparatus can not meet wanting for deep foundation pit precipitation due to the defect of itself
It asks, although immersible pump meets precipitation technical requirements, but resource utilization is low.
Currently, engineering dewatering is substantially all by being manually managed, because the engineering dewatering period is generally longer, and need round the clock
Uninterrupted precipitation expends a large amount of manpower and material resources.Because each well inflow is different, return water time difference is larger for artificial rainmaking, is not easy really
Starting the correct time for drawing water and stopping pumping calmly, easily causes starting time of pumping too late, level of ground water is more than control water level,
Cause side slope, basic post-cast strip water burst or main structure floating accident.Or termination of pumping is drawn water not in time, causes to burn pump accident.Such as
Fruit precipitation personnel lack a sense of responsibility, and problem above can frequently occur.It can be seen that there are poor reliability, costly, efficiency for artificial rainmaking
Low many disadvantages.Therefore, develop it is a kind of can automatic monitoring water level at any time drainage arrangement, become as insider urgently
Problem to be solved.
Utility model content
The utility model provides a kind of solution artificial rainmaking starting and closes pumping equipment and be easy to appear safety not in time and asks
The intelligent pneumatic power dewatering device of topic.
To achieve the above object, technical solution used by the utility model is as follows:
A kind of intelligent pneumatic power dewatering device for Water Level in Foundation Pit control, key technology are: it includes being set to base
Cheat the drinking-water pipe that the immersible pump of bottom is connected with immersible pump, the three-level electricity controlled by electrical connection the start and stop of immersible pump
Case, the back pressure pneumatic sensor that three-level electronic box is controlled by electrical connection.
The back pressure pneumatic sensor includes back pressure sensing head, air bridge amplifier and magnetic reed switch；
The air bridge amplifier includes gas source, the fixation vapour lock one being connect respectively by tracheae with gas source and fixes vapour lock
Two, it is set to the subsequent adjustable vapour lock one of fixed vapour lock one, is set to the subsequent adjustable vapour lock two of fixed vapour lock two.
The fixed vapour lock one is connected with behind fixed vapour lock two by magnetic piston.
As restriction, the back pressure sensing head is set to the end of adjustable vapour lock two.
As restriction, the magnetic reed switch is set to the side of magnetic piston.
It is limited as another kind, moving up and down for the magnetic piston can close or open magnetic reed switch, the magnetic red
Closing or opening for switch will control three-level electronic box, to control the start and stop of immersible pump.
As further limiting, the rated power of the immersible pump requires to be selected according to live precipitation, and selects inclined
The rated power of a big grade.
The utility model is due to using above-mentioned structure, and compared with prior art, acquired technological progress is:
(1) the utility model controls magnetic piston by air bridge amplifier using the height of back pressure sensing head monitoring water level
It moves up and down, the closure and opening for moving up and down further control magnetic reed switch of magnetic piston, to control pumping for water pump
It starts and stops, sustainable circular flow, solves the problems, such as that artificial pumping is not easy to control and start and stop precipitation time；
(2) the utility model according to requirement of engineering self-setting automatic pumping water level and can be automatically stopped pumping level, side
Just the precipitation management in engineering each stage；
(3) water pump can be automatically closed when water level is low for the utility model, avoid to close to pump not in time when water is drained in well and make
The problem of at draining pump idle running scaling loss, and also save electric power resource；
(4) the utility model is due to may be implemented the automatic control to precipitation, to reduce certain artificial investment.
To sum up, the start and stop that the utility model energy intelligent automatic control immersible pump draws water, precipitation is timely, securely and reliably, is applicable in
In civil engineering precipitation technical field.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
In the accompanying drawings:
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is the structural schematic diagram of the back pressure pneumatic sensor of the utility model embodiment；
Fig. 3 is the structural schematic diagram of Wheatstone bridge.
Mark component: 1, immersible pump, 2, drinking-water pipe, 3, three-level electronic box, 4, back pressure pneumatic sensor, 5, air bridge amplification
Device, 6, back pressure sensing head, 7, magnetic reed switch；
5-1, fixed vapour lock one, 5-2, fixed vapour lock two, 5-3, adjustable vapour lock one, 5-4, adjustable vapour lock two, 5-5, magnetism
Piston, 5-6, gas source；
Wherein V indicates power supply, and R1, R2, R3, R4 are resistance, and G is ammeter.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model.It should be appreciated that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
A kind of intelligent pneumatic power dewatering device for Water Level in Foundation Pit control of embodiment
- Fig. 2 referring to Fig.1, the present embodiment are will to be packed into water in foundation pit to facilitate the precipitation management in engineering each stage as background
Position control intelligent starting dewatering device, the present embodiment include the immersible pump 1 for drawing water for being set to bottom of foundation ditch, be mounted on it is latent
The drinking-water pipe 2 being used to water be extracted into outside foundation pit, the three-level electronic box 3 that Electric control is carried out to immersible pump 1 and setting on water pump 1
Back pressure pneumatic sensor 4 inside foundation pit.
Back pressure pneumatic sensor 4 described in the present embodiment includes back pressure sensing head 6, air bridge amplifier 5 and magnetic reed switch
7, the air bridge amplifier 5 includes being connected separately with admittedly for providing tracheae behind the gas source 5-6, the gas source 5-6 of air pressure
Determine one 5-1 of vapour lock and fixed two 5-2 of vapour lock, what fixed one 5-1 of vapour lock was connected with adjusting end drag size below can
Regulating the qi flowing in the channels hinders a 5-3, and the fixed vapour lock two is connected with adjustable vapour lock two 5-4 of adjusting end drag size below, described solid
Determine to be provided with magnetic piston 5-5 between behind vapour lock R1 and behind fixed vapour lock R2, below adjustable two 5-4 of vapour lock
It is provided with the back pressure sensing head 6 of monitoring Water Level in Foundation Pit, the side of the magnetic piston 5-5 is provided with control three-level electronic box 3 to latent
The magnetic reed switch 7 of water pump power supply.
Back pressure sensing head 6 can perceive SEA LEVEL VARIATION and influence the change in resistance of adjustable two 5-4 of vapour lock, water level in the present embodiment
Be raised and lowered the resistance value of adjustable two 5-4 of vapour lock can be caused to become larger or become smaller, adjustable one 5-3 of vapour lock is according to foundation pit scene
Precipitation demand detecting distance is set up, and when Water Level in Foundation Pit is lower than the setting water surface, the resistance value of adjustable two 5-4 of vapour lock is less than adjustable vapour lock
One 5-3, magnetic piston 5-5 are in the bottom of cylinder due to pressure above, and magnetic reed switch 7 is in open-circuit condition, three-level electricity
Case 3 is not powered to immersible pump 1, and when Water Level in Foundation Pit goes up, back pressure sensing head 6 perceives water level and goes up, and influences adjustable two 5-4's of vapour lock
Resistance value increases, and when the resistance value of adjustable two 5-4 of vapour lock is more than adjustable one 5-3 of vapour lock, magnetic piston 5-5 is big due to following pressure
It is moved to the upper surface of cylinder in pressure above, magnetic reed switch 7 is magnetically influenced to be in closed state, controls three-level electronic box 3
It powers to immersible pump 1, starts the precipitation that draws water.
In the embodiments of the present invention, the resistance balance principle on Wheatstone bridge is transformed by air bridge amplifier 5
Vapour lock balance is used, and when monitoring Water Level in Foundation Pit under the premise of guaranteeing that monitoring is accurate sensitive, safety is higher, magnetic piston
5-5 is equivalent to the galvanometer on Wheatstone bridge, and the present embodiment can stop with the height of water level of self-setting automatic pumping and automatically
The height of water level only to draw water facilitates the precipitation management in engineering each stage, solves artificial pumping and control start and stop not in time
The problem of, the safety of foundation pit construction is improved, is suitable for civil engineering field base pit dewatering and constructs.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of the utility model claims protection.
Claims (2)
1. a kind of intelligent pneumatic power dewatering device for Water Level in Foundation Pit control, it is characterised in that: it includes being set to bottom of foundation ditch
Immersible pump (1) and immersible pump (1) connection drinking-water pipe (2), by electrical connection the start and stop of immersible pump (1) are controlled
Three-level electronic box (3), the back pressure pneumatic sensor (4) that three-level electronic box (3) is controlled by electrical connection；
The back pressure pneumatic sensor (4) includes back pressure sensing head (6), air bridge amplifier (5) and magnetic reed switch (7)；
The air bridge amplifier (5) includes gas source (5-6), passes through the one (5- of fixation vapour lock that tracheae is connect with gas source (5-6) respectively
1) and vapour lock two (5-2) is fixed, the subsequent adjustable vapour lock one (5-3) of fixed vapour lock one (5-1) is set to, is set to fixed vapour lock
The subsequent adjustable vapour lock two (5-4) of two (5-2)；
It is connected behind the fixed vapour lock one (5-1) and fixed vapour lock two (5-2) by magnetic piston (5-5)；
The back pressure sensing head (6) is set to the end of adjustable vapour lock two (5-4)；
The magnetic reed switch (7) is set to the side of magnetic piston (5-5).
2. a kind of intelligent pneumatic power dewatering device for Water Level in Foundation Pit control according to claim 1, it is characterised in that: institute
Stating moving up and down for magnetic piston (5-5) can close or open magnetic reed switch (7), the closure of the magnetic reed switch (7) or beat
Three-level electronic box (3) will be controlled by opening, to control the start and stop of immersible pump (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821297889.4U CN208633132U (en) | 2018-08-13 | 2018-08-13 | A kind of intelligent pneumatic power dewatering device for Water Level in Foundation Pit control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821297889.4U CN208633132U (en) | 2018-08-13 | 2018-08-13 | A kind of intelligent pneumatic power dewatering device for Water Level in Foundation Pit control |
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| Publication Number | Publication Date |
|---|---|
| CN208633132U true CN208633132U (en) | 2019-03-22 |
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| CN201821297889.4U Active CN208633132U (en) | 2018-08-13 | 2018-08-13 | A kind of intelligent pneumatic power dewatering device for Water Level in Foundation Pit control |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348764A (en) * | 2020-03-06 | 2020-06-30 | 上海宇豪环境工程有限公司 | Novel marine sewage treatment device |
| CN112982458A (en) * | 2021-04-13 | 2021-06-18 | 山东安澜工程建设有限公司 | Water level pumping and dropping device for hydraulic engineering construction |
-
2018
- 2018-08-13 CN CN201821297889.4U patent/CN208633132U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348764A (en) * | 2020-03-06 | 2020-06-30 | 上海宇豪环境工程有限公司 | Novel marine sewage treatment device |
| CN112982458A (en) * | 2021-04-13 | 2021-06-18 | 山东安澜工程建设有限公司 | Water level pumping and dropping device for hydraulic engineering construction |
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