CN103629097A - Automatic maintenance control system for foundation pit tube well dewatering - Google Patents
Automatic maintenance control system for foundation pit tube well dewatering Download PDFInfo
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- CN103629097A CN103629097A CN201310520472.5A CN201310520472A CN103629097A CN 103629097 A CN103629097 A CN 103629097A CN 201310520472 A CN201310520472 A CN 201310520472A CN 103629097 A CN103629097 A CN 103629097A
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- dewatering
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Abstract
The invention discloses an automatic maintenance control system for foundation pit tube well dewatering and relates to the technical field of dewatering control equipment. The automatic maintenance control system for the foundation pit tube well dewatering can save labor, and is small in equipment loss, convenient to operate and high in accuracy. The automatic maintenance control system for the foundation pit tube well dewatering comprises a water pump motor (1) and an electric switch (2), and further comprises a liquid level relay (3) and a wire which is connected with a probe. The water pump motor (1) is installed in a dewatering well, the liquid level relay (3) is communicated with the dewatering well through the wire connected with the probe, and the electric switch (2) is installed outside the dewatering well and respectively connected with the water pump motor (1) and the liquid level relay (3). The automatic maintenance control system for the foundation pit tube well dewatering adapts to the specific environment of the foundation pit construction field, manual control is not needed, the water level in the dewatering well can be automatically controlled, and labor and cost for related measures are greatly reduced. The water level can be accurately controlled, the electric switch is automatically controlled to be switched on or off according to the water level to enable the water pump to operate, and inaccuracy and inconvenience of manual observation are avoided.
Description
Technical field
The present invention relates to precipitation control apparatus technical field, particularly a kind of foundation ditch tube well dewatering maintains control system automatically.
Background technique
In building foundation pit construction, tube well dewatering to the settlement Control of base pit stability, foundation ditch periphery structure, the Security of library structure construction most important.From pit earthwork, be excavated to ground library structure and bind in whole construction period, must take tube well dewatering to maintain measure.Generally, foundation ditch pipe well arranges inspection well and dewatering well, arranges special messenger constantly by lining rope, observing borehole measurement water level, according to relation between water level height and construction operating mode, determines whether manual electric brake of opening or closing tube well dewatering again.
Mainly there is three aspects: shortcoming in above method: 1, need to drop into the continuous artificial observation water level of a large amount of manpowers, with manually opened or close tube well dewatering and control electric brake, cause workload large, cannot open and close in time the more high defect of cost of labour, and water pump is easily because idle running burns out.2, inspection well middle water level artificial observation error large and with dewatering well in actual water level there are differences, cannot accomplish that water level elevation is accurate.3, inspection well and dewatering well can will be taked corresponding reinforcement measure or cut off the too high pipe well of cantilever with the variation of construction operating mode, and measure expense increases, and artificial observation water table ratio is more difficult.
Application number is that the application documents of 201020675016.X disclose a kind of pipe well left unguarded dewatering pump, comprise level sensor, submersible pump, circuit control mechanism, described level sensor is tube-like envelope, electromagnet ball is housed in pipe, the top of magnet ball is connected with cord with the ball float outside pipe, there is extension spring in bottom system, two mouths of pipe of tube-like envelope are processed through reducing, in the end of a pipe, dry reed-pipe group is housed, the end of extension spring is fixed on another pipe end bottom, tube-like envelope is fixed on submersible pump, in described circuit control mechanism, be provided with submersible pump and drive loop and sensor loop, described submersible pump drives loop that adjustable time delay device is housed.But, because the principle of this device is the mode that adds magnetic induction, in design, only consider gravity reduction, when the position of level sensor changes, gravity reduction is easy to malfunctioning, so be difficult to be applicable to the use needs of building site construction.
Summary of the invention
In order to overcome above-mentioned defect, the technical problem to be solved in the present invention is: provide a kind of save artificial, equipment loss is little, easy-to-operat, foundation ditch tube well dewatering that validity is high maintain control system automatically.
The present invention is that the technological scheme that solves the problems of the technologies described above employing is:
Base pit dewatering maintains a control system automatically, comprises pump motor, electric brake, also comprises liquid level relay, is connected with the electric wire of probe.Described pump motor is arranged in dewatering well, and described liquid level relay is communicated with dewatering well by being connected with the electric wire of probe, and described electric brake is installed on outside dewatering well, is connected respectively with liquid level relay with pump motor.
Described electric brake comprises miniature circuit breaker, earth leakage protective device, A.C. contactor, thermorelay, the red clearing lamp of energising, starts the green clearing lamp of operation, thermoelectricity protection clearing lamp, emergency stop button, start button and ac contactor coil.
The described electric wire that is connected with probe has three, is respectively low level electric wire, meta electric wire and high-order electric wire, by insulation rubber tube, is entangled and is fixed together.
Described three low level electric wires with probe, meta electric wire, high-order electric wire are communicated with respectively three water levels in dewatering well.
Described electric brake, liquid level relay, the electric wire that is connected with probe form three grades of distribution boxs.
The invention has the beneficial effects as follows:
1, the present invention meets the specific environment at foundation pit construction scene, use liquid level relay different by the loop producing, in major control electric brake, ac contactor coil has no current to pass through, by ac contactor coil, judge whether A.C. contactor moves again, A.C. contactor is controlled the opening and closing of motor, without manual control, can automatically control dewatering well middle water level, greatly reduced the input of labour force and related measure expense.
2, three water level probes, in water level decline process, water level starts to stop precipitation during lower than meta, and in water level uphill process, water level surpasses and starts precipitation when high-order.Accurately control water level, automatically according to water level, open or close electric brake and make water pump running, avoided inaccuracy and the inconvenience of artificial observation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, illustrate a kind of foundation ditch tube well dewatering of the present invention and automatically maintain control system.
Figure is electrical apparatus element layout schematic diagram of the present invention.
In figure: 1, pump motor, 2, electric brake, 3, liquid level relay; 4, low level electric wire, 5, meta electric wire, 6, high-order electric wire; 7, insulation rubber tube, 8, three grades of distribution boxs, 9, miniature circuit breaker; 10, earth leakage protective device, 11, A.C. contactor, 12, thermorelay; 13, the red clearing lamp of switching on, 14, start the green clearing lamp of operation, 15, thermoelectricity protection clearing lamp; 16, emergency stop button, 17, start button, 18, ac contactor coil.
Embodiment
As shown in the figure, a kind of base pit dewatering maintains control system automatically, comprises pump motor 1, electric brake 2, also comprises liquid level relay 3, is connected with the electric wire of probe.Described pump motor 1 is arranged in dewatering well, and described liquid level relay 3 is communicated with dewatering well by being connected with the electric wire of probe, and described electric brake 2 is installed on outside dewatering well, is connected respectively with liquid level relay 3 with pump motor 1.
Described electric brake 2 comprises miniature circuit breaker 9, earth leakage protective device 10, A.C. contactor 11, thermorelay 12, the red clearing lamp 13 of switching on, starts and move green clearing lamp 14, thermoelectricity protection clearing lamp 15, emergency stop button 16, start button 17 and ac contactor coil 18.
The described electric wire that is connected with probe has three, is respectively low level electric wire 4, meta electric wire 5 and high-order electric wire 6, is communicated with respectively three water levels in dewatering well, by insulation rubber tube 7, is entangled and is fixed together.
Described electric brake 2, liquid level relay 3, the electric wire that is connected with probe form three grades of distribution boxs 8.
Pump motor 1 absolute altitude is with water level elevation control, probe absolute altitude with low level electric wire 4, meta electric wire 5 and high-order electric wire 6 ends of probe is divided into low level, meta, a high position, low level electric wire 4 is lower than water level elevation control, meta electric wire 5 ends are equal to water level elevation control, and high-order electric wire 6 ends are higher than water level elevation control.
At well, arrange that electric brake 2 is connected respectively with liquid level relay 3 with pump motor 1 outward, liquid level relay 3 is being controlled the break-make in electric brake 2 loops.When water level declines, water level lower than meta after, liquid level relay 3 is controlled electric brakees 2 and is closed, and starts to stop precipitation.Stop after precipitation, pipe well surrounding water starts to pour in dewatering well.When water level reaches meta, electric brake 2 does not still start.When water level surpasses a high position, liquid level relay 3 is controlled electric brakees 2 and is automatically started, and draining starts to carry out.This setting has been avoided because swelling in dewatering well enters the continuous opening and closing of the too fast electric brake causing 2, thereby protection electric brake 2 and pump motor 3 make their not easy burn-outs.
When miniature circuit breaker 9 and earth leakage protective device 10 are connected; the red clearing lamp 13 of switching on is bright; when pressing start button 17; start the green clearing lamp 14 of operation bright; when thermorelay 12 overload; thermoelectricity protection clearing lamp 15 is bright, and when pressing emergency stop button 16, whole system decommissions.
Should be understood that, above-mentioned embodiment of the present invention is only for exemplary illustration or explain principle of the present invention, and is not construed as limiting the invention.Therefore any modification of, making, be equal to replacement, improvement etc., within all should being included in the protection domain of invention without departing from the spirit and scope of the present invention in the situation that.In addition, claims of the present invention are intended to contain whole variations and the modification in the equivalents that falls into claims scope and border or this scope and border.
Claims (6)
1. foundation ditch tube well dewatering maintains a control system automatically, comprises pump motor (1), electric brake (2), it is characterized in that: also comprise liquid level relay (3), be connected with the electric wire of probe; Described pump motor (1) is arranged in dewatering well, and described liquid level relay (3) is communicated with dewatering well by being connected with the electric wire of probe, and described electric brake (2) is installed on outside dewatering well, is connected respectively with liquid level relay (3) with pump motor (1).
2. foundation ditch tube well dewatering according to claim 1 maintains control system automatically, it is characterized in that: described in be connected with probe electric wire have three, be respectively low level electric wire (4), meta electric wire (5) and high-order electric wire (6).
3. foundation ditch tube well dewatering according to claim 1 and 2 maintains control system automatically, it is characterized in that: described in be connected with probe electric wire be communicated with respectively three water levels in dewatering well.
4. foundation ditch tube well dewatering according to claim 1 and 2 maintains control system automatically, it is characterized in that: described in be connected with probe electric wire by insulation rubber tube (7), entangle and be fixed together.
5. foundation ditch tube well dewatering according to claim 1 maintains control system automatically, it is characterized in that: described electric brake (2) comprises miniature circuit breaker (9), earth leakage protective device (10), A.C. contactor (11), thermorelay (12), the red clearing lamp (13) of switching on, starts and move green clearing lamp (14), thermoelectricity protection clearing lamp (15), emergency stop button (16), start button (17) and ac contactor coil (18).
6. foundation ditch tube well dewatering according to claim 1 maintains control system automatically, it is characterized in that: described electric brake (2), liquid level relay (3), the electric wire that is connected with probe form three grades of distribution boxs (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310520472.5A CN103629097A (en) | 2013-10-29 | 2013-10-29 | Automatic maintenance control system for foundation pit tube well dewatering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310520472.5A CN103629097A (en) | 2013-10-29 | 2013-10-29 | Automatic maintenance control system for foundation pit tube well dewatering |
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| Publication Number | Publication Date |
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| CN103629097A true CN103629097A (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310520472.5A Pending CN103629097A (en) | 2013-10-29 | 2013-10-29 | Automatic maintenance control system for foundation pit tube well dewatering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113891535A (en) * | 2021-11-10 | 2022-01-04 | 云南九旭智能科技有限公司 | Intelligent lighting power distribution control box with built-in controller |
Citations (6)
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|---|---|---|---|---|
| US4551068A (en) * | 1981-10-29 | 1985-11-05 | Boudreaux Ronald J | Duplex pump controller |
| JPH03229978A (en) * | 1990-02-01 | 1991-10-11 | Fujita Corp | Pumping/discharging control system |
| CN2256003Y (en) * | 1995-12-05 | 1997-06-11 | 乐清市农村能源办公室 | Automatic water level controlling tank |
| CN2403922Y (en) * | 1999-12-28 | 2000-11-01 | 赵庚 | Automatic controller for mine pumping |
| CN201593187U (en) * | 2009-12-25 | 2010-09-29 | 中冶天工建设有限公司 | Automatic control system for large-scale multi-well-point dewatering |
| CN201943078U (en) * | 2010-12-20 | 2011-08-24 | 歌山建设集团有限公司 | Unmanned dewatering pump for tube well |
-
2013
- 2013-10-29 CN CN201310520472.5A patent/CN103629097A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4551068A (en) * | 1981-10-29 | 1985-11-05 | Boudreaux Ronald J | Duplex pump controller |
| JPH03229978A (en) * | 1990-02-01 | 1991-10-11 | Fujita Corp | Pumping/discharging control system |
| CN2256003Y (en) * | 1995-12-05 | 1997-06-11 | 乐清市农村能源办公室 | Automatic water level controlling tank |
| CN2403922Y (en) * | 1999-12-28 | 2000-11-01 | 赵庚 | Automatic controller for mine pumping |
| CN201593187U (en) * | 2009-12-25 | 2010-09-29 | 中冶天工建设有限公司 | Automatic control system for large-scale multi-well-point dewatering |
| CN201943078U (en) * | 2010-12-20 | 2011-08-24 | 歌山建设集团有限公司 | Unmanned dewatering pump for tube well |
Non-Patent Citations (2)
| Title |
|---|
| 余彦政等: "管井井点自动降水系统在南水北调工程中的应用", 《河南水利与南水北调》 * |
| 方健等: "《电气控制与PLC应用技术》", 31 May 2013, 机械工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113891535A (en) * | 2021-11-10 | 2022-01-04 | 云南九旭智能科技有限公司 | Intelligent lighting power distribution control box with built-in controller |
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Application publication date: 20140312 |
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