CN201963563U

CN201963563U - Controller for automatically controlling water level of submersible pump

Info

Publication number: CN201963563U
Application number: CN2011200637647U
Authority: CN
Inventors: 陈家发
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-13
Filing date: 2011-03-13
Publication date: 2011-09-07
Anticipated expiration: 2021-03-13

Abstract

The utility model provides a controller for automatically controlling the water level of a submersible pump. The controller comprises a vertical rod and a lever hinged with the vertical rod, wherein a control box is arranged on the vertical rod above the lever, and the control box is internally provided with a control circuit; the control circuit comprises a submersible pump and an alternating current power supply connected with the submersible pump, an earth leakage circuit breaker is connected between the alternating current power supply and the submersible pump, a power line between the submersible pump and the earth leakage circuit breaker is connected with a contactor switch, a first phase output end of the earth leakage circuit breaker is sequentially connected with a fuse protector, a contactor and a stroke switch in series, the other end of the stroke switch is connected with a second phase output end of the earth leakage circuit breaker, and the stroke switch is fixed and arranged above a short arm of the lever; and a return spring is connected between the short arm of the lever and the vertical rod, and a high-order floating body and a low-order floating body are suspended on a long arm of the level by a connecting wire.

Description

The submersible pump automatic controller for water level

Technical field

The utility model relates to the device of control submersible pump operation, specifically is a kind of submersible pump automatic controller for water level.

Background technique

In the wet pit or water head site that existing use submersible pump draws water, the water-head in uncontrollable water head site or the wet pit causes wet pit spilling water or submersible pump to be burnt under anhydrous or exsiccosis easily, has influenced the safe operation of submersible pump.

Summary of the invention

For solving the water-head in existing uncontrollable water head site of submersible pump or the wet pit, the problem that causes wet pit spilling water or submersible pump under anhydrous or exsiccosis, to be burnt easily, the utility model provides a kind of submersible pump automatic controller for water level, and its embodiment is as follows:

The submersible pump automatic controller for water level comprises a vertical rod and is hinged on lever in the vertical rod, in the vertical rod of lever top Direct box is installed, and control circuit is arranged in the Direct box;

Described control circuit comprises submersible pump and the ac power supply that is connected with submersible pump, be connected with RCCB between ac power supply and the submersible pump, be connected with contactless contactor on the power line between submersible pump and the RCCB, first phase output terminal of RCCB is connected in series successively and is connected with fus, contactor and position limit switch, the other end of position limit switch is connected with second phase output terminal of RCCB, and position limit switch is fixed on and is positioned at the lever short arm top;

Be connected with return spring between lever short arm and the vertical rod, long-armed the going up of lever is hung with high-order buoyancy aid and low level buoyancy aid with line.

This submersible pump automatic controller for water level only need be regulated the distance between high-order buoyancy aid and the low level buoyancy aid, just can modulate the water-head in control water head site or the wet pit, avoids the consequence that causes wet pit spilling water or submersible pump to be burnt under anhydrous or exsiccosis.

In the such scheme, described ac power supply can be three-phase alternating-current supply, and first phase output terminal of described RCCB is a live wire, and second phase output terminal is a live wire;

The third phase output terminal of described RCCB is connected with power supply indicator, and the other end of power supply indicator is connected between fus and the contactor.

In the such scheme, described ac power supply can also be single phase alternating current power supply, and first phase output terminal of described RCCB is a live wire, and second phase output terminal is a zero line;

In the such scheme, the connection power supply indicator can be installed, promptly second phase output terminal at RCCB is connected with power supply indicator, and the other end of power supply indicator is connected between fus and the contactor;

In the such scheme, also the connection light emitting diode can be installed, promptly between two phase output terminals of contactless contactor, be connected in series successively and be connected with resistance and light emitting diode.

This submersible pump automatic controller for water level that the utility model provides, after water level reaches certain position, ball float weight drives lever, the lever pushing position limit switch reaches equinoctial point, automatically draw water after starting, when drawdown to the certain position automatically outage close, electrical equipment partly and construction ground contactless, concerning the workmen, save time, laborsaving, safety.It can alleviate the workload of keeping an eye on the suction engine personnel greatly, only otherwise have a power failure, machine is excellent, water yield size no matter, it can both be controlled at water level in workmen's the ideal range automatically, benefit for improving underground infrastructure quality and accelerating construction progress, be applicable to that building site, basement are controlled flood, industrial and agricultural production temporarily.The water level height is regulated at will as required, as: 1 centimetre, 20 centimetres ... 50 centimetres etc., no matter disconnect any one electricity mutually, submersible pump can not be worked, so submersible pump can not exhausted by phase shortage and water and do not turn off power and burn out.

Description of drawings

Fig. 1 is the submersible pump automatic controller for water level schematic representation that is applicable in the water head site;

Fig. 2 is the control circuit figure of the submersible pump automatic controller for water level shown in Fig. 1, and wherein power supply is a three-phase alternating-current supply;

Fig. 3 is the control circuit figure of the submersible pump automatic controller for water level shown in Fig. 1, and wherein power supply is a single phase alternating current power supply;

Fig. 4 is the submersible pump automatic controller for water level schematic representation that is applicable in the wet pit;

Fig. 5 is the control circuit figure of the submersible pump automatic controller for water level shown in Fig. 4, and wherein power supply is a single phase alternating current power supply.

Embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:

Embodiment one: submersible pump automatic controller for water level as shown in Figure 1, comprise a vertical rod 1 and the lever 10 that is hinged in the vertical rod 1, and in the vertical rod 1 of lever 10 tops Direct box 5 is installed, in the Direct box 5 control circuit is arranged;

Control circuit as shown in Figure 2, comprise submersible pump 6 and the three-phase alternating-current supply that is connected with submersible pump 6, be connected with RCCB DZ between ac power supply and the submersible pump 6, be connected with contactless contactor KM on the power line between submersible pump 6 and the RCCB DZ, first phase output terminal of RCCB DZ is to be connected in series successively on the live wire A to be connected with fus FU, contactor KM and position limit switch SQ, the other end of position limit switch SQ is that another root live wire C is connected with second phase output terminal of RCCB DZ, and position limit switch SQ is fixed on and is positioned at lever short arm 2 tops; The third phase output terminal of RCCB DZ i.e. the 3rd live wire B is connected with power supply indicator L, and the other end of power supply indicator L is connected between fus FU and the contactor KM;

As shown in Figure 1, be connected with return spring 4 between lever short arm 2 and the vertical rod 1, be hung with high-order buoyancy aid 9 and low level buoyancy aid 8 with line on the lever long-armed 3.

The working procedure of above-mentioned submersible pump automatic controller for water level is as follows:

Automatic pump water process: the vertical rod 1 of above-mentioned submersible pump automatic controller for water level is inserted in the water head site 7, lever 10 keeps balance under the interaction of the deadweight of the stretching of return spring 4 and low level buoyancy aid 8, high-order buoyancy aid 9, be in level, RCCB DZ switch closes, when water head site 7 water sources rise to the L point, L point low level buoyancy aid 8 floats, along with water level rises and rises, the gravity that is applied to the low level buoyancy aid 8 on the lever long-armed 3 disappears, and at this moment the SQ switch is under acting force of the spring and is failure to actuate.When water level continues to rise to the H point, high-order buoyancy aid 9 floats, the gravity that is applied to the high-order buoyancy aid 9 on the lever long-armed 3 disappears, often open the button closure in the SQ switch, in the contactor KM coil, contactless contactor KM is closed because of the electromagnetic force effect, and electric current is through C phase, contactor KM, fus FU, A phase loop, and submersible pump 6 motors must be established the beginning by cable and draw water;

Automatically the process of cutting off the water: when water level begins to descend from the H point, and reduce to the L point when following, the gravity that is applied to high-order buoyancy aid 9 on the lever long-armed 3 and low level buoyancy aid 8 disappears, lever 10 disequilibriums, the SQ switch just can move the disconnection wire loop, and contactor KM coil loses electric current, and contactless contactor KM disconnects because of losing the electromagnetic force effect, current loop disconnects, and submersible pump 6 motor dead electricity stop pumping;

Only need to regulate the distance between high-order buoyancy aid 9 and the low level buoyancy aid 8 in this example, just can modulate the water-head in the control water head site 7, when water level must be higher than the H point in this example, submersible pump 6 just can draw water, thereby had realized the water head site water level purpose of control automatically.

Embodiment two: the ac power supply in the foregoing description also can replace with single phase alternating current power supply, control circuit as shown in Figure 3, comprise submersible pump 6 and the single phase alternating current power supply that is connected with submersible pump 6, be connected with RCCB DZ between ac power supply and the submersible pump 6, be connected with contactless contactor KM on the power line between submersible pump 6 and the RCCB DZ, first phase output terminal of RCCB DZ is to be connected in series successively on the live wire to be connected with fus FU, contactor KM and position limit switch SQ, the other end of position limit switch SQ is that zero line is connected with second phase output terminal of RCCB DZ, and position limit switch SQ is fixed on and is positioned at lever short arm 2 tops; The end of power supply indicator L is connected with the live wire of RCCB DZ, and the other end is connected between fus and the contactor.

Automatic pump water process is identical with embodiment one with the process of cutting off the water automatically.

Embodiment three: submersible pump automatic controller for water level as shown in Figure 4, comprise a vertical rod 1 and the lever 10 that is hinged in the vertical rod 1, and in the vertical rod 1 of lever 10 tops Direct box 5 is installed, in the Direct box 5 control circuit is arranged;

Control circuit as shown in Figure 5, comprise submersible pump 6 and the single phase alternating current power supply that is connected with submersible pump 6, be connected with RCCB DZ between ac power supply and the submersible pump 6, be connected with contactless contactor KM on the power line between submersible pump 6 and the RCCB DZ, first phase output terminal of RCCB DZ is to be connected in series successively on the live wire to be connected with fus FU, contactor KM and position limit switch SQ, the other end of position limit switch SQ is that zero line is connected with second phase output terminal of RCCB DZ, and position limit switch SQ is fixed on and is positioned at lever short arm 2 tops;

Be connected in series successively between two phase output terminals of contactless contactor KM and be connected with resistance R and LED;

As shown in Figure 4, be connected with return spring 4 between lever short arm 2 and the vertical rod 1, be hung with high-order buoyancy aid 9 and low level buoyancy aid 8 with line on the lever long-armed 3.

Automatic pump water process: the vertical rod 1 of above-mentioned submersible pump automatic controller for water level is inserted in the wet pit 11, lever 10 is at the stretching and the low level buoyancy aid 8 of return spring 4, the interaction of the deadweight of high-order buoyancy aid 9 keeps balance down, be in level, RCCB DZ switch closes, if Fig. 4 middle water level has been reduced to the L point when following, because low level buoyancy aid 8, the action of gravity of high-order buoyancy aid 9 self, lever 10 disequilibriums, be around fulcrum and turn clockwise, lever short arm 2 upwards prizes the SQ switch, make SQ switch normally opened contact closure, the main contact adhesive of contactor KM gets, contactless contactor KM is closed because of the electromagnetic force effect, and electric current is through SQ, contactor KM, the closed-loop path that fus FU constitutes, submersible pump 6 begins to draw water, simultaneously, at the output terminal of contactless contactor KM, also through the closed-loop path of resistance R and LED formation, LED is shinny for electric current;

Automatically the process of cutting off the water: when Fig. 4 middle water level rises to the L point, low level buoyancy aid 8 begins to rise, gravity on the lever long-armed 3 alleviates 1/2nd, lever long-armed 3 is not totally released, the SQ switch is failure to actuate, when water level continues to rise to the H point, high-order buoyancy aid 9 begins to rise, gravity on the lever long-armed 3 all disappears, the SQ switch disconnects, and contactor KM coil loses electric current, and contactless contactor KM disconnects because of losing the electromagnetic force effect, current loop disconnects, submersible pump 6 motor dead electricity stop pumping, and simultaneously, the closed-loop path between the output terminal of contactless contactor KM and resistance R and the LED also disconnects, LED extinguishes, by the time the wet pit water level just repeats next cycle period again when the A point drops to the B point, thereby realizes the wet pit water level purpose of control automatically, need only the distance of regulating between high-order buoyancy aid 9 and the low level buoyancy aid 8 among Fig. 4, just can regulate the wet pit water level depth.

Claims

1. submersible pump automatic controller for water level is characterized in that: this submersible pump automatic controller for water level comprises a vertical rod and is hinged on lever in the vertical rod, in the vertical rod of lever top Direct box is installed, and control circuit is arranged in the Direct box; Described control circuit comprises submersible pump and the ac power supply that is connected with submersible pump, be connected with RCCB between ac power supply and the submersible pump, be connected with contactless contactor on the power line between submersible pump and the RCCB, first phase output terminal of RCCB is connected in series successively and is connected with fus, contactor and position limit switch, the other end of position limit switch is connected with second phase output terminal of RCCB, and position limit switch is fixed on and is positioned at the lever short arm top; Be connected with return spring between lever short arm and the vertical rod, long-armed the going up of lever is hung with high-order buoyancy aid and low level buoyancy aid with line.

2. submersible pump automatic controller for water level according to claim 1, it is characterized in that: ac power supply is a three-phase alternating-current supply, first phase output terminal of RCCB is a live wire, second phase output terminal is a live wire, the third phase output terminal of RCCB is connected with power supply indicator, and the other end of power supply indicator is connected between fus and the contactor.

3. submersible pump automatic controller for water level according to claim 1, it is characterized in that: ac power supply is a single phase alternating current power supply, first phase output terminal of RCCB is a live wire, second phase output terminal is a zero line, second phase output terminal of RCCB is connected with power supply indicator, and the other end of power supply indicator is connected between fus and the contactor.

4. submersible pump automatic controller for water level according to claim 1 is characterized in that: ac power supply is a single phase alternating current power supply, and first phase output terminal of RCCB is a live wire, and second phase output terminal is a zero line; Be connected in series successively between two phase output terminals of contactless contactor and be connected with resistance and light emitting diode.