CN201593187U - Automatic control system for large-scale multi-well-point dewatering - Google Patents
Automatic control system for large-scale multi-well-point dewatering Download PDFInfo
- Publication number
- CN201593187U CN201593187U CN2009202520058U CN200920252005U CN201593187U CN 201593187 U CN201593187 U CN 201593187U CN 2009202520058 U CN2009202520058 U CN 2009202520058U CN 200920252005 U CN200920252005 U CN 200920252005U CN 201593187 U CN201593187 U CN 201593187U
- Authority
- CN
- China
- Prior art keywords
- switch
- water level
- well
- travel switch
- contactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to an automatic control system for large-scale multi-well-point dewatering. A well is internally provided with a high water level control buoy and a low water level control buoy which are connected with a control circuit in an electric cabinet by a high water level travel switch and a low water level travel switch as well as a lead; the control circuit comprises a three-phase alternating current power supply, a leakage protector, a first switch for a contractor, a thermal relay and a fuse, wherein the output end of the fuse is connected with the high water level travel switch and a second switch for the contactor, which are connected in parallel; the other end of the fuse is connected with the low water level travel switch, the contactor and a first switch for an intermediate relay, as well as an earth wire in sequence; and the output end of the fuse is sequentially connected with a thermal relay switch and a second switch for the intermediate relay, the intermediate relay and the earth wire which are connected together in parallel. The automatic control system has simple integral structure, and scientific and reasonable design, effectively and automatically controls the multi-well-point dewatering, reduces the labor intensity and construction cost, and improves the construction safety.
Description
Technical field
The utility model relates to well-points dewatering engineering field, especially a kind of automatic control system of many well-points dewatering on a large scale.
Background technology
Many on a large scale well-points dewatering are used in the foundation of civil work construction more, the drainage pipe of steel pipe welding is generally adopted in many on a large scale well-points dewatering in the civil engineering at present, well adopts concrete or cement mortar short tube, be provided with submersible pump in the well, this submersible pump is arranged on below the predetermined waterline, behind whole many well-points dewatering on a large scale system installation in position, start precipitation system, need manually to check the water level of precipitation in the process for precipitation, when water level surpasses predetermined high-water line, the artificial submersible pump of opening carries out the precipitation operation, when treating that water level falls back to low water line, manually close precipitation system, though can reach the purpose of precipitation, but following problems may be encountered: 1, construction cost is higher: the drainage pipe that whole precipitation system adopts is a steel pipe, and various connecting tubes also are steel pipe fittings substantially; 2, hand labor intensity is big: because large-scale dewatering project, the place is big, and construction installation is many, and a large amount of artificial inspection of control needs for whole precipitation system has directly strengthened cost of labor; 3, submersible pump burns under anhydrous or exsiccosis easily, and artificial inspection can not ensure effectively that submersible pump normally moves; 4, whole precipitation system safety is relatively poor.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of automatic control system of many well-points dewatering on a large scale is provided, and this system architecture is simple, design science is reasonable, the many well-points dewatering of control effectively automatically, reduce hand labor intensity and construction cost, improved working security.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of automatic control system of many well-points dewatering on a large scale, comprise the submersible pump of installing in electric control box, well, the well, the water side of submersible pump connects gutter, being provided with control circuit in the electric control box is connected with submersible pump, it is cursory that its peak level line position in well is provided with high water level control, it is cursory at the lowest water level line position one low water stage control to be set, and the cursory and low water stage control of this high water level control is cursory to be connected on the high water level travel switch and low water stage travel switch in the electric control box by draught line respectively;
Control circuit in the electric control box comprises three-phase alternating-current supply, earth leakage protective device, earth leakage protective device is connected between three-phase alternating-current supply and the submersible pump, on the three-phase firewire between submersible pump and the earth leakage protective device, be connected with contactor first switch, a thermal relay is installed between contactor first switch and submersible pump;
One phase output terminal of earth leakage protective device connects a fuse, the output of this fuse is connected with high water level travel switch that is connected in parallel and contactor second switch, the other end of this high water level travel switch and contactor second switch is connected with low water stage travel switch, contactor and auxiliary reclay first switch in turn, and the other end of auxiliary reclay first switch is connected to the ground wire of three-phase alternating-current supply;
The output of this fuse also is connected with the auxiliary reclay second switch with the thermal relay switch that is connected in parallel, this thermal relay switch is connected an end of auxiliary reclay with the other end of auxiliary reclay second switch, the other end of this auxiliary reclay is connected to the ground wire of three-phase alternating-current supply.
And the output of described fuse also connects a run indicator by contactor the 3rd switch and is connected, and the other end of this run indicator is connected to the ground wire of three-phase alternating-current supply.
And the output of described fuse also is connected an end of a malfunction indicator lamp by the water level travel switch with the interlock of high water level travel switch, and the other end of this malfunction indicator lamp is connected to the ground wire of three-phase alternating-current supply.
And the output of described fuse also connects an end of a water pump malfunction indicator lamp by auxiliary reclay the 3rd switch, and the other end of this water pump malfunction indicator lamp is connected to the ground wire of three-phase alternating-current supply.
Advantage of the present invention and beneficial effect are:
1, in this automatic control system in well the peak level line position that one high water level control is set is cursory, it is cursory at the lowest water level line position control of one low water stage to be set, cursory and the low water stage control of this high water level control is cursory to be connected on the high water level travel switch and low water stage travel switch in the electric control box by draught line respectively, can effectively control the water level in the well, avoid artificial inspection, saves energy meets the state basic policy of national energy-saving and emission-reduction.
2, add the safety that a fuse can effectively improve circuit in this automatic control system, ensure the normal operation of submersible pump.
3, the thermal relay that installs additional in this automatic control system, thermal relay switch, auxiliary reclay and auxiliary reclay second switch, effective power supply phase shortage in the testing circuit, overheated, water pump water inlet insulation degradation fault down, improve the safety of whole dewatering project system, ensure the normal operation of whole dewatering project system.
4, the utility model overall structure is simple, design science is reasonable, and the many well-points dewatering of control have effectively automatically reduced hand labor intensity and construction cost, improve working security.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 connects the control circuit figure of submersible pump for the utility model electric control box.
The specific embodiment
The utility model is described in further detail below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind of automatic control system of many well-points dewatering on a large scale, comprise electric control box 13, well 11, the inner submersible pump of installing 9 of well, diving delivery side of pump 10 connects gutter 12, is provided with control circuit in the electric control box and is connected with submersible pump, and innovative point of the present utility model is:
This control circuit comprises three-phase alternating-current supply, earth leakage protective device ZK, earth leakage protective device is connected between three-phase alternating-current supply and the submersible pump D power input, on the three-phase firewire between submersible pump power input and the earth leakage protective device, be connected with the contactor first switch CF1, a thermal relay RJ is installed between contactor first switch and submersible pump; One phase output terminal of earth leakage protective device connects a fuse RD, the output of this fuse is connected with high water level travel switch GXK1 that is connected in parallel and contactor second switch CF2, the other end of this high water level travel switch and contactor second switch is connected with low water stage travel switch DXK, contactor C and the auxiliary reclay first switch ZJ_1 in turn, and the other end of auxiliary reclay first switch is connected to the ground wire LN of three-phase alternating-current supply; The output of this fuse also is connected with auxiliary reclay second switch ZJ_2 with the thermal relay switch RJ_1 that is connected in parallel, this thermal relay switch is connected an end of intermediate relay ZJ with the other end of auxiliary reclay second switch, the other end of this auxiliary reclay is connected to the ground wire of three-phase alternating-current supply; The output of fuse also connects a run indicator L1 by contactor the 3rd switch CF3 and is connected, and the other end of this run indicator is connected to the ground wire of three-phase alternating-current supply, and run indicator is green; The output of fuse also connects the end of a malfunction indicator lamp L2 by water level travel switch GXK2, the other end of this malfunction indicator lamp is connected to the ground wire of three-phase alternating-current supply, and malfunction indicator lamp is red; The output of fuse also connects the end of a water pump malfunction indicator lamp L3 by auxiliary reclay the 3rd switch ZJ_3, the other end of this water pump malfunction indicator lamp is connected to the ground wire of three-phase alternating-current supply, and the water pump malfunction indicator lamp is yellow.
When the utility model is applied in the precipitation system, high water level control is cursory in the high water level travel switch connection well, it is cursory that the low water stage travel switch connects low water stage control, when the well water level is in high water level, high water level travel switch and low water stage travel switch cursory all at float state, this moment, the constant close contact of two travel switches was in on-state, be GXK1 and the conducting of DXK contact in the accompanying drawing 1, auxiliary reclay first switch is a constant close contact, contactor C control loop is connected charged like this, submersible pump is started working to move and is drawn water, undertaken chain by the contactor second switch closed pair GXK1 contact of often making war simultaneously, contactor the 3rd switch closure of often making war, run indicator is the charged luminous indication of green light; Along with submersible pump operation, water level reduces gradually, controls when cursory when water level is lower than high water level, high water level travel switch constant close contact disconnects under cursory action of gravity, this moment, the water pump control loop still was in electriferous state, the water pump operate as normal owing to the chain state of contactor second switch; Be lower than low water stage and control when cursory when water level continues to drop to, the low water stage travel switch moves under cursory action of gravity, and low water stage travel switch constant close contact disconnects, The whole control loop dead electricity, and submersible pump is out of service, the chain inefficacy of contactor second switch; After submersible pump quits work, water level bottom out in the well, when water level surpasses the low water stage control line, low water stage control is cursory floats, low water stage travel switch reset contact is connected, but this moment is because high water level travel switch and contactor second switch contact all are in off-state, the The whole control loop also is in off-state, submersible pump can not be worked, when rising of groundwater level to the high water level control line and when above, the connection that resets of high water level travel switch contact, the The whole control loop is connected, submersible pump is started working again, and is reciprocal with this, reaches the purpose of automatic control water level.
There is the power supply phase shortage during submersible pump operation; overheated; submersible pump water inlet insulation is the degradation fault down; the phenomenon that these problems reflect is that electric current increases; for protecting submersible pump under failure condition, not move and guaranteeing safety; detect the current values of water pump operation with thermal relay; when electric current surpasses the numerical value of setting; the thermal relay action; the thermal relay switch closure of often making war; auxiliary reclay is charged; the normally closed point of auxiliary reclay first switch disconnects, The whole control loop dead electricity, and submersible pump quits work; for preventing that thermal relay from automatically reseting; the auxiliary reclay second switch closing of contact, it is chain to handle the row that advances in maintenance, simultaneously auxiliary reclay the 3rd switch contact closure; connect yellow water pump malfunction indicator lamp, send index signal.
When other faults appear in submersible pump and precipitation system, cause precipitation unusual, as submersible pump damage, travel switch inefficacy, control circuit fault etc., high water level travel switch constant close contact is in closure state for a long time, the red-fault indicator lamp is in illuminating state for a long time, reminds maintenance.
The utility model also can a plurality ofly link together, and forms network, realizes many well-points dewatering on a large scale.
Claims (4)
1. the automatic control system of many well-points dewatering on a large scale comprises the submersible pump of installing in electric control box, well, the well, and the water side of submersible pump connects gutter, is provided with control circuit in the electric control box and is connected with submersible pump, it is characterized in that:
It is cursory that the peak level line position is provided with high water level control in well, it is cursory at the lowest water level line position one low water stage control to be set, and the cursory and low water stage control of this high water level control is cursory to be connected on the high water level travel switch and low water stage travel switch in the electric control box by draught line respectively;
Control circuit in the electric control box comprises three-phase alternating-current supply, earth leakage protective device, earth leakage protective device is connected between three-phase alternating-current supply and the submersible pump, on the three-phase firewire between submersible pump and the earth leakage protective device, be connected with contactor first switch, a thermal relay is installed between contactor first switch and submersible pump;
One phase output terminal of earth leakage protective device connects a fuse, the output of this fuse is connected with high water level travel switch that is connected in parallel and contactor second switch, the other end of this high water level travel switch and contactor second switch is connected with low water stage travel switch, contactor and auxiliary reclay first switch in turn, and the other end of auxiliary reclay first switch is connected to the ground wire of three-phase alternating-current supply;
The output of this fuse also is connected with the auxiliary reclay second switch with the thermal relay switch that is connected in parallel, this thermal relay switch is connected an end of auxiliary reclay with the other end of auxiliary reclay second switch, the other end of this auxiliary reclay is connected to the ground wire of three-phase alternating-current supply.
2. the automatic control system of many well-points dewatering on a large scale according to claim 1, it is characterized in that: the output of described fuse also connects a run indicator by contactor the 3rd switch and is connected, and the other end of this run indicator is connected to the ground wire of three-phase alternating-current supply.
3. the automatic control system of many well-points dewatering on a large scale according to claim 1, it is characterized in that: the output of described fuse also is connected an end of a malfunction indicator lamp by the water level travel switch with the interlock of high water level travel switch, the other end of this malfunction indicator lamp is connected to the ground wire of three-phase alternating-current supply.
4. the automatic control system of many well-points dewatering on a large scale according to claim 1, it is characterized in that: the output of described fuse also connects an end of a water pump malfunction indicator lamp by auxiliary reclay the 3rd switch, the other end of this water pump malfunction indicator lamp is connected to the ground wire of three-phase alternating-current supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202520058U CN201593187U (en) | 2009-12-25 | 2009-12-25 | Automatic control system for large-scale multi-well-point dewatering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202520058U CN201593187U (en) | 2009-12-25 | 2009-12-25 | Automatic control system for large-scale multi-well-point dewatering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201593187U true CN201593187U (en) | 2010-09-29 |
Family
ID=42775254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202520058U Expired - Fee Related CN201593187U (en) | 2009-12-25 | 2009-12-25 | Automatic control system for large-scale multi-well-point dewatering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201593187U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629097A (en) * | 2013-10-29 | 2014-03-12 | 中建三局建设工程股份有限公司 | Automatic maintenance control system for foundation pit tube well dewatering |
| CN107489160A (en) * | 2017-08-10 | 2017-12-19 | 魏玉建 | Well-points dewatering automatic servo compensation system |
-
2009
- 2009-12-25 CN CN2009202520058U patent/CN201593187U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629097A (en) * | 2013-10-29 | 2014-03-12 | 中建三局建设工程股份有限公司 | Automatic maintenance control system for foundation pit tube well dewatering |
| CN107489160A (en) * | 2017-08-10 | 2017-12-19 | 魏玉建 | Well-points dewatering automatic servo compensation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201593510U (en) | Automatic submersible pump control circuit for water level lowering in water well | |
| CN201381878Y (en) | Cable Tunnel Remote Monitoring Drainage Device | |
| CN202298885U (en) | Automatic draining device for cable trench of transformer station | |
| CN204200543U (en) | A kind of Full automatic electric control gear of submersible pump | |
| CN201593187U (en) | Automatic control system for large-scale multi-well-point dewatering | |
| CN203008116U (en) | Water discharge system | |
| CN205507567U (en) | Automatic waste fitting discharging of wastewater disposal basin | |
| CN203429765U (en) | Automatic drainage monitoring system for underground transformer substation | |
| CN216342320U (en) | Subway tunnel water logging prevention early warning and controlling means | |
| CN203669074U (en) | Drainage system of cable duct of transformer substation | |
| CN204572636U (en) | A kind of control device for hydraulic system | |
| CN201679735U (en) | Automatic underground water pump switching device | |
| CN207231598U (en) | A kind of distribution cable ditch Intelligent water level monitoring system | |
| CN106498963B (en) | It is a kind of that the tube well dewatering system drawn water is concentrated using air compressor machine and water pump | |
| CN201391337Y (en) | Automatic drainage system of cable tunnel | |
| CN105511506B (en) | Sump water-level control apparatus | |
| CN206396768U (en) | A kind of constructional engineering drain device | |
| CN202068173U (en) | Water inlet detection and protection device of submersible sewage pump motor | |
| CN205243809U (en) | Suction pump automatic control device | |
| CN103516053B (en) | A kind of outdoor lighting power distribution cabinet protection controller | |
| CN202306343U (en) | Automatic draining controller for cable trench | |
| CN114576412B (en) | Control system with runner protection and energy storage type hydropower station gate or valve | |
| CN211690719U (en) | Cable work well with intelligent drainage function | |
| CN205388711U (en) | Sump pit water level control device | |
| CN214657654U (en) | Automatic drainage system of cable working well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20181225 |