CN205243815U

CN205243815U - Intelligence working shaft electric control system

Info

Publication number: CN205243815U
Application number: CN201521127635.4U
Authority: CN
Inventors: 吴强; 赵翼
Original assignee: Tianjin Fu Ruida Electrical Complete Equipment Engineering Co Ltd
Current assignee: Tianjin Fu Ruida Electrical Complete Equipment Engineering Co Ltd
Priority date: 2015-12-28
Filing date: 2015-12-28
Publication date: 2016-05-18
Anticipated expiration: 2025-12-28

Abstract

The utility model provides an intelligence working shaft electric control system, the control system comprises a main circuit and a control circuit, the major loop is including electric leakage circuit breaker QF, bidirectional thyristor, control circuit includes programmable controller PLC, and with PLC electric connection's button switch SA, button switch SB, level sensor SL1, level sensor SL2, level sensor SL3, level sensor SL4, relay coil KA, electric bell DL and the power lamp 1HL who connects in parallel with relay coil KA, the alarm lamp 2HL parallelly connected with electric bell DL. The utility model discloses the major loop adopts the bidirectional thyristor to replace, the contactor, have energy -conservation, sparkless, longe -lived, maintain simple and convenient, control circuit adopts programmable controller PLC to control, and the reliability is high, the strong convenient to use of interference killing feature, and the simple powerful maintenance work that programmes volume is little, easy maintenance.

Description

A kind of intelligent water supply pump electric control system

Technical field

The utility model belongs to automation field, especially relates to a kind of intelligent water supply pump electrical control to beSystem.

Background technology

In traditional industrial production, water conservancy, agricultural production, the processing of need to supplying water, can utilize conventionallyThe control components and parts of more complicated, and traditional numerous and diverse triggering system, intelligent degree is not high, passesThe course of work construction costs of system is high, need trigger impulse, and antijamming capability is more weak, use inconvenient,Control procedure complexity, inefficiency.

Summary of the invention

In view of this, the utility model is intended to propose a kind of intelligent water supply pump electric control system.

For achieving the above object, the technical solution of the utility model is achieved in that

A kind of intelligent water supply pump electric control system, comprises major loop and control loop, described major loop bagDraw together RCCB QF, bidirectional thyristor, a first electricity grade A1 of described bidirectional thyristor is connected in interchangeThe stator winding of motor M, is connected to and continues between the controlled stage G of described bidirectional thyristor and the second electrode A 2Electrical equipment normally opened contact KA, the second electrode A 2 of described bidirectional thyristor connects RCCB QF; DescribedControl loop comprises Programmable Logic Controller PLC, and the press button SA being electrically connected with described PLC,Press button SB, liquid level sensor SL1, liquid level sensor SL2, liquid level sensor SL3, liquid level passSensor SL4, relay coil KA, electric bell DL and the power lights 1HL in parallel with relay coil KA,The alarm lamp 2HL in parallel with electric bell DL.

Further, described alternating current generator M is three phase alternating current motor, and each stator winding one end connects respectivelyIn the first electricity grade A1 of first, second, third bidirectional thyristor.

Further, between described bidirectional thyristor the first electrode A 1 and the second electrode A 1, being connected to capacitance-resistance inhalesRegain road.

Further, in described Programmable Logic Controller PLC, be provided with timer.

With respect to prior art, a kind of intelligent water supply pump electric control system described in the utility model hasFollowing advantage: the utility model major loop adopts bidirectional thyristor to replace, and contactor, has energy-conservation, nothingSpark, life-span length, easy maintenance; Control loop adopts Programmable Logic Controller PLC to control, reliableProperty high, antijamming capability is easy to use by force, programming simple functions powerful maintenance load is little, easy to maintenance.

Brief description of the drawings

The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model,Schematic description and description of the present utility model is used for explaining the utility model, does not form this realityWith novel improper restriction. In the accompanying drawings:

Fig. 1 is that the structure of a kind of intelligent water supply pump electric control system described in the utility model embodiment is shownIntention.

Detailed description of the invention

It should be noted that, in the situation that not conflicting, in embodiment and embodiment in the utility modelFeature can mutually combine.

In description of the present utility model, it will be appreciated that term " " center ", " longitudinally ", " horizontal strokeTo ", " on ", D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " waterFlat ", orientation or the position relationship of indicating such as " top ", " end ", " interior ", " outward " they are based on attachedOrientation shown in figure or position relationship, be only the utility model and simplified characterization for convenience of description, and notBe instruction or the hint device of indication or element must there is specific orientation, with specific orientation structure andOperation, therefore can not be interpreted as restriction of the present utility model. In addition term " first ", " second ",For describing object, and can not be interpreted as instruction or hint relative importance or the implicit indication that indicates Deng onlyThe quantity of the technical characterictic showing. Thus, the feature that is limited with " first ", " second " etc. can be expressedOr impliedly comprise one or more these features. In description of the present utility model, unless separately hadIllustrate, the implication of " multiple " is two or more.

In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited,Term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with,Also can be to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection;Can be to be directly connected, also can indirectly be connected by intermediary, can be the company of two element internalsLogical. For the ordinary skill in the art, can understand above-mentioned term at this by concrete conditionConcrete meaning in utility model.

Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.

As shown in Figure 1, a kind of intelligent water supply pump electric control system, comprises major loop and control loop,Described major loop comprises RCCB QF, bidirectional thyristor, the first electricity level of described bidirectional thyristorA1 is connected in the stator winding of alternating current generator M, the controlled stage G of described bidirectional thyristor and the second electrodeBetween A2, be connected to relay normally open contact KA, it is disconnected that the second electrode A 2 of described bidirectional thyristor connects electric leakageRoad device QF; Described control loop comprises Programmable Logic Controller PLC, and is electrically connected with described PLCPress button SA, press button SB, liquid level sensor SL1, liquid level sensor SL2, liquid level sensorSL3, liquid level sensor SL4, relay coil KA, electric bell DL and in parallel with relay coil KAPower lights 1HL, the alarm lamp 2HL in parallel with electric bell DL.

Described alternating current generator M is three phase alternating current motor, and each stator winding one end is connected to first,Two, first of the 3rd bidirectional thyristor the electricity grade A1.

Between described bidirectional thyristor the first electrode A 1 and the second electrode A 1, be connected to resistance-capacitance absorption loop.

In described Programmable Logic Controller PLC, be provided with timer.

The course of work of the present utility model is as follows, and SA is auto/man transfer switch, passes through press buttonSA selects automatic mode and manual mode, and in the time selecting automatic mode, PLC obtains electric, relay coil KAMust be electric, KA normally opened contact closure, motor is started working, and 1SL is high water level hydrostatic sensor, and 2SL isLow water level hydrostatic sensor, when 1SL detects high water level, 1SL contact disconnects power-off, when 2SL detectsTo low water level, 2SL closing of contact power supply feedwater, overflows PLC when liquid level sensor 3SL detects water levelControl KA power-off, motor stops, and electric bell DL rings, and alarm lamp 2HL is bright; In the time selecting manual mode,Press shift knob SB and connect circuit, control PLC work, relay coil KA obtains electric, and KA often opens tactilePoint is closed, and motor is started working, and overflows when liquid level sensor 3SL detects water level, and PLC controls KAPower-off, motor stops, and electric bell DL rings, and alarm lamp 2HL is bright; In PLC, be also provided with timer, can be to supplyingThe water time is controlled automatically.

The foregoing is only preferred embodiment of the present utility model, not new in order to limit this practicalityType, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improveDeng, within all should being included in protection domain of the present utility model.

Claims

1. an intelligent water supply pump electric control system, is characterized in that: comprise major loop and control backRoad, described major loop comprises RCCB QF, bidirectional thyristor, the first electricity of described bidirectional thyristorLevel A1 is connected in the stator winding of alternating current generator M, the controlled stage G of described bidirectional thyristor and the second electricityBetween utmost point A2, be connected to relay normally open contact KA, the second electrode A 2 of described bidirectional thyristor connects leaksElectrical circuit breakers QF; Described control loop comprises Programmable Logic Controller PLC, and electrically connects with described PLCPress button SA, the press button SB, liquid level sensor 1SL, liquid level sensor 2SL, the liquid level that connect passSensor 3SL, relay coil KA, electric bell DL and the power lights 1HL in parallel with relay coil KA,The alarm lamp 2HL in parallel with electric bell DL.

2. a kind of intelligent water supply pump electric control system according to claim 1, is characterized in that:Described alternating current generator M is three phase alternating current motor, each stator winding one end be connected to first, second,The first electricity grade A1 of the 3rd bidirectional thyristor.

3. a kind of intelligent water supply pump electric control system according to claim 1, is characterized in that:Between described bidirectional thyristor the first electrode A 1 and the second electrode A 1, be connected to resistance-capacitance absorption loop.

4. a kind of intelligent water supply pump electric control system according to claim 1, is characterized in that:In described Programmable Logic Controller PLC, be provided with timer.