CN216086518U

CN216086518U - Water pump inching anti-blocking device

Info

Publication number: CN216086518U
Application number: CN202122726447.5U
Authority: CN
Inventors: 曾晓晖; 尹集中; 张平
Original assignee: Chengdu Hangyan Engineering Technology Service Co ltd
Current assignee: Chengdu Hangyan Engineering Technology Service Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-03-18
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a water pump inching anti-blocking device which is mainly additionally arranged in a rain and sewage drainage system circuit and comprises a time control switch, a time relay, an intermediate relay, a warning lamp and an electric bell; the device takes electricity from a power supply end of an original rainwater and sewage drainage system circuit; the control output end of the device is connected with the water pump control end of the original rain sewage drainage system circuit; the utility model does not need manual intervention, and automatically and periodically inching the water pump according to the set time, thereby effectively preventing the problem that the rotating shaft of the electrified standby water pump is rusted and stuck because the electrified standby water pump does not work for a long time, avoiding the potential fault hazard of burning out the water pump motor possibly caused by the problem, and greatly reducing the maintenance cost of the water pump system; the utility model can be completed by only five elements, and has the advantages of few elements, small volume, few external lines, convenient field installation and low modification cost. Most of the devices can be arranged in the original control box (cabinet), and a small number of the devices can be arranged beside the original control box (cabinet) when the original control box (cabinet) is too small.

Description

Water pump inching anti-blocking device

Technical Field

The utility model relates to the technical field of water pump control, in particular to a inching anti-blocking device of a water pump.

Background

The water pump has wide application in real life, such as a domestic water pressurization water pump, a building fire pump, a rainwater and sewage drainage submersible pump of a building sump, an irrigation water pumping pump, a circulating cooling water pump of equipment and the like. Many water pump systems are in the circular telegram at ordinary times and await the orders the state, and control system circular telegram and detection water pump start condition just can start the water pump according with the condition, and the water pump does not need frequent work many times, for example the fire pump only starts when the conflagration takes place, and rain sewage drainage immersible pump only starts when sump ponding is many, irrigates the water pump only and just starts when needs irrigate, and the recirculated cooling water pump only needs the cooling to start only when equipment needs, generally call this type of water pump as circular telegram and await the orders the type water pump. The water pump can be in a state of stopping without working for several months or even longer, the water can accelerate the rusting speed of a rotating shaft of the water pump, the rotating shaft is easy to be blocked, the action of a control protection circuit of the water pump or the burning of a motor is caused, the maintenance of the water pump with the blocked rotating shaft or the maintenance and replacement of the burnt motor wastes time and labor, the cost is high, and the adverse effect on the life is caused.

In the prior art, although there is also to the water pump motor to carry out the dead device of regular automatic inching anti-sticking, most of them are directly improved inside the water pump by the manufacture factory, mainly are applied to special field moreover, not only with high costs, and later maintenance is difficult, can't the wide application.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: to above-mentioned problem, provide a water pump inching anti-sticking device, the water pump is inching in the periodic short time, can prevent effectively that the water pump from not starting the dead problem of the rust card of the inside of the pump body that causes for a long time, solved among the prior art water pump motor and carried out the device that regularly automatic opened and mostly directly improve the water pump by the manufacture factory, mainly applied to special field moreover, not only with high costs, the difficult problem of later maintenance difficulty moreover.

The utility model is realized by the following scheme:

a water pump inching anti-blocking device is mainly additionally arranged in a rain and sewage drainage system circuit and comprises a time control switch, a time relay and an intermediate relay; the time control switch is respectively connected with the time relay and the intermediate relay; the whole device gets electricity from the power supply end of the original control circuit of the rain and sewage drainage system; the control output end of the device is connected with the control end of a water pump motor of the rain and sewage drainage system circuit.

Based on the structure of the inching anti-blocking device for the water pump, the anti-blocking device comprises a first connecting end, a second connecting end, a third connecting end and a fourth connecting end; the first connecting end and the second connecting end are respectively connected with a power supply end of the rain and sewage drainage system circuit; and the third connecting end and the fourth connecting end are control output ends and are respectively connected with the control ends of the rain sewage drainage system circuit water pump motor.

Based on the structure of the water pump inching anti-blocking device, the intermediate relay comprises a first control coil end, an intermediate normally closed end and an intermediate normally open end; the first control coil end is directly connected with the time control switch and the first connecting end; the middle normally closed end is connected with the third connecting end and the fourth connecting end; the middle normally open end is communicated with the time control switch and the time normally closed end.

Based on the structure of the inching anti-blocking device of the water pump, the time relay comprises a second control coil end and a time normally-closed end; the second control coil end is directly connected with the time control switch and the first connecting end; the time normally closed end is connected with the middle normally open end and the fourth connecting end.

Based on the structure of the water pump inching anti-blocking device, the time control switch and the first connecting end are connected in parallel to be provided with the electric bell.

Based on the structure of the inching anti-blocking device for the water pump, the warning lamp is connected in parallel to the time control switch and the first connecting end.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. the utility model can effectively prevent the problem that the rotating shaft is rusted and blocked due to the fact that the water pump does not work for a long time when the water pump is electrified, thereby avoiding the possible burning of the motor of the water pump and the hidden trouble of controlling the action of the protection circuit. The maintenance cost of the water pump system can be greatly reduced.

2. The utility model can be completed by only five elements, and has the advantages of few elements, small volume, few external lines, convenient field installation and low modification cost. Most of the devices can be arranged in the original control box (cabinet), and a small number of the devices can be arranged beside the original control box (cabinet) when the original control box (cabinet) is too small.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic circuit diagram of a rainwater and sewage draining system incorporating the present invention;

FIG. 3 is a circuit diagram of a rain and sewage drainage system;

description of the drawings: 1. a time control switch; 11. a first connection end; 12. a second connection end; 13. a third connection end; 14. a fourth connection end; 21. a first control coil terminal; 22. a middle normally closed end; 23. a middle normally open end; 31. a second control coil terminal; 32. a time normally closed end; 4. an electric bell; 5. a warning light; 6. rain sewage drainage system common circuit.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

Example 1

As shown in fig. 1-3, the device is mainly additionally arranged in a circuit 6 of the existing rain and sewage drainage system and comprises a time control switch 1, a time relay and an intermediate relay; the time control switch 1 is respectively connected with a time relay and an intermediate relay; the whole device gets electricity from the power supply end of the rain and sewage drainage system circuit 6; the control output end of the device is connected with the control end of a water pump motor of the rain and sewage drainage system circuit 6;

with the above configuration, the device is connected to the existing rain sewage drainage system circuit 6, and the time switch 1 in the device can operate for a short time in a predetermined cycle; the time control switch 1 in the scheme is a common device which takes a week as a maximum circulation unit and is commonly arranged on the market, the minimum control time of the action is 1 minute, but for a water pump which is temporarily anhydrous in a rain and sewage reservoir, the water pump which is temporarily anhydrous in the rain and sewage reservoir is too long to be incanded for 1 minute, and a part of the water pump which idles in an anhydrous state is possibly damaged, so that a time relay and an intermediate relay are required to be added for improvement;

for a water pump which does not act for a long time, the inching action time is preferably 3-8 seconds, so that the inventor improves the operation; a time relay and an intermediate relay are connected on the basis of the time control switch 1;

the time relay is adjustable in adjustment time of 0-10 seconds, and the inching time can be adjusted to be 3-8 seconds.

The anti-blocking device comprises a first connecting end 11, a second connecting end 12, a third connecting end 13 and a fourth connecting end 14; the first connecting end 11 and the second connecting end 12 are respectively connected with a power supply end of the rain and sewage drainage system circuit 6; the third connecting end 13 and the fourth connecting end 14 are respectively connected with the control end of a water pump motor of the rain and sewage drainage system circuit 6;

the intermediate relay includes a first control coil terminal 21, an intermediate normally closed terminal 22, and an intermediate normally open terminal 23; the first control coil end 21 is directly connected with the time control switch 1 and the first connecting end 11; the intermediate normally closed end 22 is connected with the third connecting end 13 and the fourth connecting end 14; the middle normally-open end 23 is connected with the time control switch 1 and the time normally-closed end 32;

the time relay comprises a second control coil terminal 31 and a time normally-closed terminal 32; the second control coil end 31 is directly connected with the time control switch 1 and the first connecting end 11; the time normally closed end 32 is connected to the intermediate normally open end 23 and the fourth connection end 14.

Based on the structure, the middle normally closed end 22 is directly connected to the third connecting end 13 and the fourth connecting end 14, when the time control switch 1 does not reach the preset inching time, the time control switch 1 is not closed, the first coil control end 21 and the second coil control end 31 are not powered, the middle normally open end 23 is in an off state, the control output end of the device is not output, meanwhile, the middle normally closed end 22 is in a connected state, and the normal use of the water pump of the original rain and sewage drainage system circuit 6 is not influenced;

when the time control switch 1 reaches the preset time to supply power for a short time (usually set to be 1 minute), at the moment, the first control coil end 21 and the second control coil end 31 are powered on, the middle normally closed end 22 is disconnected, the middle normally open end 23 is closed, and at the moment, the time normally closed end 32 is disconnected by 3-8S according to the time relay set time (usually 3-8S), so that the inching power supply of 3-8S is provided for the water pump motor control end.

In other embodiments, the time-controlled switch 1 and the first connection end 11 may be provided with an electric bell 4 and a warning light 5 in parallel; when the time switch 1 is operated for short time to supply power, the electric bell 4 and the warning lamp 5 can be supplied with power at the same time, and the device can give out acousto-optic warning and reminding at the moment.

At the end of the brief power supply (typically set to 1 minute) of the time switch 1, the first control coil terminal 21 and the second control coil terminal 31 lose power, and the device returns to the initial state in which the control output terminal does not output.

In the scheme, the common time relay (KT), the intermediate relay (KA) and the time control switch 1 taking the period as a time cycle unit are utilized to control the frequency of the water pump inching at regular time every week and the specific inching starting time and inching duration. The device power supply gets electricity from a power supply end of a secondary loop power supply of a raw water pump control distribution box (cabinet), and the control output end of the device is directly connected to a control end of a primary loop water pump power supply alternating current contactor in the raw water pump control distribution box (cabinet), so that the inching control of the water pump for 3-8 s in a week unit is realized; during the inching control period, the audible and visual warning reminding signal can be sent out through the warning lamp and the electric bell of the device.

The above description is only exemplary of the present invention and should not be taken as limiting the utility model, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a water pump inching anti-sticking device which characterized in that: the device is additionally arranged in a rain and sewage drainage system circuit and comprises a time control switch, a time relay and an intermediate relay; the time control switch is respectively connected with the time relay and the intermediate relay; the device gets electricity from a power supply end of an original control circuit of the rain sewage drainage system; the control output end of the device is connected with the control end of a water pump motor of the rain and sewage drainage system circuit.

2. The inching anti-sticking device of a water pump as claimed in claim 1, wherein: the anti-blocking device comprises a first connecting end, a second connecting end, a third connecting end and a fourth connecting end; the first connecting end and the second connecting end are respectively connected with a power supply end of the rain and sewage drainage system circuit; and the third connecting end and the fourth connecting end are control output ends and are respectively connected with the control ends of the rain sewage drainage system circuit water pump motors.

3. The inching anti-sticking device of a water pump as claimed in claim 2, wherein: the time relay comprises a second control coil end and a time normally-closed end; the second control coil end is directly connected with the time control switch and the first connecting end; and the time normally-closed end is connected with the normally-closed end and the fourth connecting end of the intermediate relay.

4. The inching anti-sticking device of a water pump as claimed in claim 3, wherein: the intermediate relay comprises a first control coil end, an intermediate normally closed end and an intermediate normally open end; the first control coil end is directly connected with the time control switch and the first connecting end; the middle normally closed end is connected with the third connecting end and the fourth connecting end; the middle normally open end is communicated with the time control switch and the time normally closed end.

5. The inching anti-sticking device of a water pump as claimed in claim 4, wherein: and the time control switch and the first connecting end are connected in parallel to be provided with an electric bell.

6. The inching anti-seize device for a water pump as claimed in claim 4 or 5, wherein: and the time control switch and the first connecting end are connected in parallel to be provided with a warning lamp.