CN211623732U - Intelligent self-priming electric pump - Google Patents

Abstract

The utility model relates to an intelligence is from inhaling charge pump, its characterized in that: the utility model consists of a pump shell, a bolt I, an impeller, a bolt II, a mechanical seal, a front end cover, a motor base, a stator, a rotor, a bearing, a wave spring, a fan, a hood, a screw, a pressure tank, a pressure switch, an O-shaped seal ring, a flow switch and a power box, wherein the flow switch is arranged at the inlet of the electric pump, the pressure switch is arranged at the outlet of the electric pump, and signal wires of the two switches are connected to a control system in the power box; the 3-gear switch is arranged on the power supply box and respectively controls the electric pump to automatically operate, manually operate and stop. The problems that the service life of a switch controlled by a single control switch on the electric pump is shortened after the switch passes a strong current, potential safety hazards exist and the like are solved, and the electric pump has the advantages of multiple protection functions, novel structure, convenience in installation, simplicity in operation, safety, reliability and the like; meanwhile, the electric pump can realize automatic and manual working modes, and the operability is further improved.

Description

Intelligent self-priming electric pump

Technical Field

The utility model relates to a from inhaling the charge pump, in particular to intelligence is from inhaling charge pump.

Background

At present, in the prior art in China, a control system of a self-priming pump is traditionally controlled by a single pressure switch or a flow switch, and the switch is directly connected to a 220V power supply in series to control the starting/stopping of a motor. There are the following problems: the switch can shorten the service life after passing through strong current, and has potential safety hazard; for the pressure-controlled electric pump, when the pipeline is short of water, the electric pump can be operated all the time, which causes waste; for a single flow control electric pump, the installation of the electric pump requires that the level of the liquid to be delivered is higher than the inlet of the electric pump, and the application range is limited. The electric pump is controlled to start and stop only by a single pressure switch control or a single flow switch control. Overseas, japan corporation has introduced a self-priming electric pump, configured with a pressure switch and a flow switch, and added with a PLC control system in the power box, and 5V weak current is used to control the on/off of the two switches, so that the "brain" is added to the electric pump, which controls the normal operation of the electric pump more safely and intelligently, and facilitates the normal use of users, thus being popular abroad. But because the price is high, the after-sale service is complicated and the like, domestic users are difficult to accept the product.

Disclosure of Invention

The utility model overcomes the defect of above-mentioned existence, the purpose can shorten life after passing through the strong current for solving the switch that single control switch exists to the charge pump control, and the switch also has the potential safety hazard scheduling problem simultaneously, provides an intelligence from inhaling charge pump.

The utility model discloses intelligence is from inhaling charge pump, its characterized in that: the motor consists of a pump shell, a bolt I, an impeller, a bolt II, a mechanical seal, a front end cover, a motor base, a stator, a rotor, a bearing, a wave spring, a fan, a hood, a screw, a pressure tank, a pressure switch, an O-shaped seal ring, a flow switch and a power supply box, wherein the stator is arranged in the motor base; a wave spring is arranged at the rear part of the bearing of the motor base; the bearing is fixed on the rotor; one end of the rotor shaft is provided with an impeller and a mechanical seal, the rotor penetrates through the stator and is arranged in the motor base, the other end of the rotor shaft is provided with a fan, and the wind cap is arranged at the rear part of the motor base, covers the outside of the fan and is fixedly connected with the motor base through a screw; the front end cover is arranged at the front part of the motor base and is fixedly connected with the motor base through a bolt I; the pump shell is fixedly connected with the front end cover through a bolt II; the pressure switch and the flow switch are fixedly arranged on the pump shell through threaded connection, and an O-shaped sealing ring is arranged at the threaded connection part of the pressure switch and the pump shell; the power supply box is arranged on one side of the motor base; the pressure tank is fixedly connected and arranged at the rear part of the pump shell through threads.

The utility model is provided with a flow switch at the inlet of the electric pump, a pressure switch at the outlet of the electric pump, and signal lines of the two switches are connected to a control system in the power box; the 3-gear switch is arranged on the power box and respectively controls the electric pump to automatically operate, manually operate and stop, so that the problems that the service life of a switch for controlling the electric pump by a single control switch is shortened after the switch passes a strong current, potential safety hazards exist and the like are solved, and the three-gear switch has the advantages of multiple protection functions, novel structure, convenience in installation, simplicity in operation, safety, reliability and the like; meanwhile, the electric pump can realize automatic and manual working modes, and the operability is further improved.

Drawings

FIG. 1 is a schematic diagram of an intelligent self-priming electric pump;

FIG. 2 is a side view of the intelligent self-priming electric pump configuration;

in the figure: 1 is pump case, 2 is bolt I, 3 is impeller, 4 is bolt II, 5 is mechanical seal, 6 is front end cover, 7 is motor cabinet, 8 is stator, 9 is rotor, 10 is bearing, 11 is wave spring, 12 is fan, 13 is hood, 14 is screw, 15 is pressure tank, 16 is pressure switch, 17 is "O" shape circle, 18 is flow switch, 19 is power supply box.

Detailed Description

The utility model discloses intelligence is from inhaling charge pump is realized like this, and the following is specifically explained with the attached drawing.

Referring to fig. 1 and 2, the intelligent self-priming electric pump of the present invention is composed of a pump case 1, a bolt i 2, an impeller 3, a bolt ii 4, a mechanical seal 5, a front end cover 6, a motor base 7, a stator 8, a rotor 9, a bearing 10, a wave spring 11, a fan 12, a wind cap 13, a screw 14, a pressure tank 15, a pressure switch 16, an "O" shaped seal ring 17, a flow switch 18 and a power box 19, wherein the stator 8 is arranged in the motor base 7; a wave spring 11 is arranged at the rear part of a bearing 10 of the motor base 7; the bearing 10 is fixed on the rotor 9; one end of a rotor 9 shaft is provided with an impeller 3 and a mechanical seal 5, the rotor 9 penetrates through a stator 8 and is arranged in a motor base 7, the other end of the rotor 9 shaft is provided with a fan 12, a wind cap 13 is arranged at the rear part of the motor base 7, covers the outside of the fan 12 and is fixedly connected with the motor base 7 through a screw 14; the front end cover 6 is arranged at the front part of the motor base 7 and is fixedly connected with the motor base through a bolt I2; the pump shell 1 and the front end cover 6 are fixedly connected through a bolt II 4; the pressure switch 16 and the flow switch 18 are fixedly arranged on the pump shell 1 through threaded connection, and an O-shaped sealing ring is arranged at the threaded connection part of the pressure switch 16 and the pump shell 1; the power supply box 19 is arranged on one side of the motor base 7; the pressure tank 15 is fixedly attached to the rear portion of the pump housing 1 by a screw.

During installation: firstly, pressing a stator 8 into a motor base 7 by using a mould, and placing a wave spring 11 into the bottom of a bearing chamber of the motor base 7; pressing the bearings 10 to two ends of the rotor 9, then penetrating the rotor 9 through the stator 8, and loading the rotor into a bearing chamber of the motor base 7; a front end cover 6 penetrates through the end part of a shaft head of a rotor 9, is installed on a front spigot of a motor cylinder and is connected by 3 bolts I2; respectively installing the dynamic and static rings of the mechanical seal 5 into the shaft head end part of the rotor 9 and a sealing chamber of the front end cover 6; the impeller 3 is pressed on the shaft extension part of the rotor 9; installing a pump shell 1 and connecting by using 3 bolts II 4; mounting the power supply box 19 to the side of the motor base 7; screwing the pressure switch 16 on the upper end G3/8 of the pump shell 1, and simultaneously leading the connecting wire of the pressure switch 16 into the power box 19 to be plugged into a specified position; the flow switch 18 is installed in the threaded hollow of the G1 at the upper end of the pump shell 1, and the connecting wire of the flow switch 18 is led into the power box 19 to be plugged into a specified position.

The utility model is provided with a flow switch at the inlet of the electric pump, a pressure switch at the outlet of the electric pump, and signal lines of the two switches are connected to a control system in the power box; the 3-gear switch is arranged on the power supply box and respectively controls the electric pump to automatically operate, manually operate and stop. The flow switch 18 is used for judging whether water flows in the electric pump or not, the pressure switch 16 is used for judging whether the pressure of the pump cavity reaches the set pressure or not, and the two switches generate four logic variables, namely each switch generates two variables: one is switched on and the other is switched off, different working states of the electric pump are judged, and the electric pump is controlled to work normally. For example: when a user switches on a power supply, the electric pump is switched on and switched off, the electric pump is operated for a period of time, whether the electric pump is continuously operated or not is judged according to the logic states of the two switches, and if the flow switch judges that water flows through the electric pump, the electric pump is always operated; when the user does not use water, the flow switch is in an off state, the pressure switch is also in an off state, and the electric pump stops running; when the user uses water again, the flow switch is in an off state, the pressure switch is in an on state, and the electric pump can start to start again.

The utility model discloses intelligence is from inhaling charge pump has multiple protect function such as water shortage protection, overload protection, leakage protection, flow switch inefficacy, lets more convenient, safe, reliable that the user used. A 3-gear switch is arranged on the power supply box and is used for respectively controlling the electric pump to automatically run, manually run and stop; when the switch on the power supply box is adjusted to be an 'automatic' gear, the electric pump can be automatically started and stopped according to whether a user uses water or not; when the switch is adjusted to be in a manual gear, the electric pump can be operated all the time, and when the switch needs to be stopped, the switch is manually adjusted to be in a stop gear.

The utility model discloses intelligent self-priming electric pump, solved single control switch to electric pump control exist switch through strong current can shorten life to the switch to there are potential safety hazard scheduling problem, have multiple protect function, novel structure, simple to operate, advantages such as safe and reliable; meanwhile, the electric pump can realize automatic and manual working modes, and the operability is further improved.

Claims (1)

1. An intelligence is from inhaling charge pump which characterized in that: the motor is characterized by comprising a pump shell (1), a bolt I (2), an impeller (3), a bolt II (4), a mechanical seal (5), a front end cover (6), a motor base (7), a stator (8), a rotor (9), a bearing (10), a wave spring (11), a fan (12), a hood (13), a screw (14), a pressure tank (15), a pressure switch (16), an O-shaped sealing ring (17), a flow switch (18) and a power supply box (19), wherein the stator (8) is arranged in the motor base (7); a wave spring (11) is arranged at the rear part of a bearing (10) of the motor base (7); the bearing (10) is fixed on the rotor (9); an impeller (3) and a mechanical seal (5) are arranged at one end of a rotor (9) shaft, the rotor (9) penetrates through a stator (8) and is arranged in a motor base (7), a fan (12) is arranged at the other end of the rotor (9) shaft, a wind cap (13) is arranged at the rear part of the motor base (7), covers the outside of the fan (12), and is fixedly connected with the motor base (7) through a screw (14); the front end cover (6) is arranged at the front part of the motor base (7) and is fixedly connected with the motor base through a bolt I (2); the pump shell (1) is fixedly connected with the front end cover (6) through a bolt II (4); the pressure switch (16) and the flow switch (18) are fixedly arranged on the pump shell (1) through threaded connection, and an O-shaped sealing ring (17) is arranged at the threaded connection part of the pressure switch (16) and the pump shell (1); the power supply box (19) is arranged on one side of the motor base (7); the pressure tank (15) is fixedly connected and arranged at the rear part of the pump shell (1) through threads.

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