CN201943078U

CN201943078U - Unmanned dewatering pump for tube well

Info

Publication number: CN201943078U
Application number: CN 201020675016
Authority: CN
Inventors: 高愉; 吕国玉
Original assignee: Geshan Construction Group Co Ltd
Current assignee: Geshan Construction Group Co Ltd
Priority date: 2010-12-20
Filing date: 2010-12-20
Publication date: 2011-08-24
Anticipated expiration: 2020-12-20

Abstract

The utility model discloses an unmanned dewatering pump device for a tube well. The device can automatically monitor a water level and pump water in preset time if necessary, works normally regardless of location limitations, and is safe and reliable. The unmanned dewatering pump device comprises a water level sensor, a submersible pump and a circuit control mechanism, wherein the water level sensor comprises a tubular housing and a magnetic iron ball arranged inside the tubular housing, the upper part of the magnetic iron ball is connected with a floating ball which is arranged outside the tubular housing through a fine rope, a tension spring is tied at the bottom of the magnetic iron ball, the two mouths of the tubular housing are necked, a reed group is arranged at one end part of the tubular housing, the tail end of the tension spring is fixed at the bottom of the other end part of the tubular housing, the tubular housing is fixed on the submersible pump, a submersible pump driving circuit and a sensor circuit are arranged in the circuit control mechanism, and an adjustable time-delay device is mounted in the submersible pump driving circuit.

Description

Pipe well unmanned precipitation pump

1. technical field

The utility model relates to a kind of precipitation apparatus, specifically, is a kind of pipe well unmanned precipitation pump that applies to the construction project underground construction,

2. background technology

Submersible pump is the foundation pit construction of building field and deep-cuts one of the most frequently used equipment of tube well dewatering in the engineering construction, but in use usually because water can't in time be known idle running heating and burn pump after being drained.For fear of burning pump, often to be equipped with special nurse personnel on the engineering, the precipitation well is carried out the water level monitoring, but for the pump amount big or the complicated occasion of stratum infiltration, manual monitoring is time and effort consuming not only, and often attends to one thing and lose sight of another, and burns pump quantity and always can be in any more.In order to change this situation, a kind of unattended automatic precipitation pump installation reliably need be arranged.

At present, development product on the market, high-end costs an arm and a leg, in, low side, comprise and utilize types such as mercoid switch, buoyancy, gravity that is that its level sensor generally adopts or the controlling organization that adds magnetic induction way, owing to only consider gravity reduction in this controlling organization design, what be exactly that circuit all adopts in addition is the alternating voltage of 220V or 380V, that is to say and has only considered the operating mode under the standard conditions, does not consider that level sensor is under water in the use, complicated change in location and higher waterproof antiwear performance requirement are arranged, that is, when the position of level sensor changed, gravity reduction was easy to malfunctioning, use the alternating voltage of 220V or 380V under water, insulation is easy to breakdown, injures the safety of the person probably, so these products are difficult to be fit to the use needs of construction project underground construction.

3. utility model content

In order to overcome the technological deficiency that prior art exists, the utility model provides a kind of pipe well unmanned precipitation pump installation, and the automatic level monitoring of this device energy also carries out timing as required and draws water, and is safe and reliable.

The technical solution of the utility model is:

A kind of pipe well unmanned precipitation pump, comprise level sensor, submersible pump, the circuit controlling organization, described level sensor is a tube-like envelope, the magnet ball is housed in the pipe, the top of magnet ball and the ball float outside pipe are connected with cord, there is extension spring in bottom system, two mouths of pipe of tube-like envelope were handled through reducing, at a tube end tongue tube group is housed, the end of extension spring is fixed on another pipe end bottom, tube-like envelope is fixed on the submersible pump, is provided with submersible pump in the described circuit controlling organization and drives loop and sensor loop, and described submersible pump drives in the loop adjustable time-delay mechanism is housed.

Described tube-like envelope is made by stainless steel or plastics;

The length of described cord can be regulated;

Described tongue tube group is the sensing components and parts that are connected in parallel by tongue tube single more than 2;

Voltage in the described sensor loop is direct current 12V;

Described adjustable time-delay mechanism is to be made of the time relay circuit assembly;

The spherical shell of described ball float is that plastics are made, and the centre is filled with foamed plastics.

The beneficial effects of the utility model are: the change by frame for movement in level sensor and setting up is used for the extension spring mechanism of forced resetting, and level sensor can both be worked at an arbitrary position reliably, even in flat position of crouching; And in sensor loop, adopt the safe voltage of 12V, got rid of potential safety hazard; Drive the adjustable time-delay mechanism of installing in the loop at submersible pump, accomplish timing controlled; Really realized the purpose of submersible pump automatic precipitation of unmanned in pipe well, improved labor productivity, reduced the wastage, cut down the consumption of energy.

4. description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the circuit diagram of sensor loop of the present utility model and the circuit diagram that submersible pump of the present utility model drives the loop.

Among Fig. 1: tube-like envelope 1 magnet ball 2 extension springs 3 tongue tube groups 4 cords 5 ball floats 6 submersible pumps 7 fixed bands 8 cables 9 heavy gauge wires 10

In Fig. 2: U, V are the 12V dc source; SL is that the moving together contact KM1 of tongue tube group 4 is the auxiliary moving together contact of A.C. contactor 12, and is in parallel with SL, plays self-locking action; Auxiliary reclay 11 is series at aforementioned device and constitutes sensor loop in the circuit.

L1, L2, L3 are the 380V three-phase alternating-current supply; FU1 is the fuse of main circuit; M is the motor of submersible pump 7; KM2 be A.C. contactor 12 initiatively close the contact; FU2 is the fuse of secondary circuit; KA is the moving together contact of auxiliary reclay 11, is the power switch of the time relay 13; KT is the break contact that the time-delay of the time relay 13 disconnects, connects with A.C. contactor 12, and the 12 time-delay operations of control A.C. contactor, thus submersible pump 7 is regularly drawn water.

5. the specific embodiment

Below in conjunction with drawings and embodiments to being that the utility model is further described:

As shown in Figure 1, the level sensor of pipe well unmanned precipitation pump is the profile of tubulose, erects the impeller position that is fixed on submersible pump abreast with fixed band 8; Magnet ball 2 is housed in tube-like envelope 1, and there is cord 5 in the top system of magnet ball 2, and the other end of cord 5 is connected with the ball float that floats on the surface 6, and the bottom of magnet ball 2 connects extension spring 3, and the other end of extension spring 3 is fixed on the inwall of tube-like envelope 1 pipe end bottom; The mouth of pipe of tube-like envelope 1 is handled through reducing, and promptly mouthful internal diameter is less than bore, also less than the external diameter of magnet ball 2; At the top of tube-like envelope 1 pipe end, on the outer tube wall at 10 millimeters places of the mouth of pipe, adhering to tongue tube group 4 with resin, tongue tube group 4 can be that the single tongue tube of 3 equal distribution on tube wall formed; The exit of the moving together contact of all tongue tubes is connected in parallel (to improve the reliability of action) with thin wire, connects heavy gauge wire 10 again and draws with the power line of submersible pump and merge into the circuit controlling organization that a share of cable 9 leads to ground.

As shown in Figure 2, sensor loop and submersible pump drive the loop and have formed the circuit controlling organization, wherein, sensor loop is independent loop, what power supply used is the 12V dc source, even so in use leak electricity, human body and mechanical device all are safe; Drive in the loop as can be seen at submersible pump, the effect of submersible pump 7 timing operations is produced by the time relay 13, the adhesive of the break contact KT control A.C. contactor 12 that the time-delay of the time relay 13 disconnects, A.C. contactor 12 initiatively close the electric power starting closing contact that contact KM2 is a motor M, therefore, the delay time of the adjusting time relay 13 just can be controlled the pump-out of submersible pump 7.

The concrete course of work is such: put people's pipe well unmanned precipitation pump installation in the precipitation well, connect with the mains, the length of cord 5 can pre-set according to the height of water level, when water level rises to the position that will draw water, because buoyancy is greater than the pulling force of extension spring, ball float 6 passes through cord 5 tractives in the position of tube-like envelope 1 internal magnet ball 2 as for reed pipe group 4, under the effect of magnetic field induction, the moving together contact SL closure of tongue tube, so in sensor loop, current lead-through, auxiliary reclay 11 gets electric adhesive, its moving together contact KA closure in submersible pump driving loop, make the time relay 13 must establish beginning timework by cable, the break contact KT that time-delay by the time relay 13 simultaneously disconnects make A.C. contactor 12 electric adhesive, the A.C. contactor in main circuit 12 initiatively closes contact KM2 closure, motor M operation immediately, submersible pump 7 begins to draw water, simultaneously, the auxiliary moving together contact KM1 closure in parallel in sensor loop, circuit self-locking with SL; According to the time of pumping of setting, the break contact KT time-delay back that the time-delay of the time relay 13 disconnects disconnects, and causes A.C. contactor 12 dead electricity, and KM2 disconnects, and submersible pump 7 stops pumping, and KM1 disconnects, self-locking releasing; After the drawdown formerly, buoyancy disappears, and the magnet ball 2 in the level sensor resets under the tension of extension spring 3, and SL disconnects; Because the dead electricity of auxiliary reclay 11, KA disconnects, and a relay 13 dead electricity reset, and whole working condition finishes, and circulates with this, thereby reaches predetermined precipitation requirement.As can be seen, the underwater operating position of pipe well unmanned precipitation pump can not be subjected to the restriction of orographic condition from above-mentioned reseting procedure, even the horizontal accumbency state of precipitation pump, its function of use can not be affected yet.

Claims

1. pipe well unmanned precipitation pump, comprise level sensor, submersible pump (7), the circuit controlling organization, it is characterized in that, described level sensor is tube-like envelope (1), magnet ball (2) is housed in the pipe, the top of magnet ball (2) and the ball float (6) outside pipe are connected with cord (5), there is extension spring (3) in bottom system, two mouths of pipe of tube-like envelope (1) were handled through reducing, at a tube end tongue tube group (4) is housed, the end of extension spring (3) is fixed on another pipe end bottom, tube-like envelope (1) is fixed on the submersible pump, be provided with submersible pump in the described circuit controlling organization and drive loop and sensor loop, described submersible pump drives in the loop adjustable time-delay mechanism is housed.

2. unmanned precipitation pump according to claim 1 is characterized in that described tube-like envelope (1) is made by stainless steel or plastics.

3. unmanned precipitation pump according to claim 1 is characterized in that the length of described cord (5) can be regulated.

4. unmanned precipitation pump according to claim 1 is characterized in that, described tongue tube group (4) is the sensing components and parts that are connected in parallel by tongue tube single more than 2.

5. unmanned precipitation pump according to claim 1 is characterized in that the voltage in the described sensor loop is direct current 12V.

6. unmanned precipitation pump according to claim 1 is characterized in that described adjustable time-delay mechanism is to be made of the time relay circuit assembly.

7. unmanned precipitation pump according to claim 1 is characterized in that the spherical shell of described ball float (6) is that plastics are made, and the centre is filled with foamed plastics.