CN208209838U - Motor central control device - Google Patents

Abstract

The utility model is a kind of motor central control device.Motor central control device is made of manual centralized control circuit, automatic concentration chain control circuit, relay starting control circuit, motor start-up control circuit, specific embodiment is using relay operation, pass through A.C. contactor, two and two or more are dispersed in the motor of different location, it concentrates in together and carries out manual centralized control and automatic concentration chain control to be managed collectively, when being used for manual centralized control, a wherein motor can be started with any manually；When with automatic concentration chain control, it is chain automatic starting motor in sequence, it is that one kind can be common to any one motor central control device for needing to concentrate chain production line, thus it overcomes existing control device to there is waste non-ferrous metal, increase line loss, be difficult to meet the shortcomings that motor chain use demand, it is thus achieved that the purpose of this utility model.

Description

Motor central control device

Technical field

The utility model is a kind of motor central control device.Motor central control device has motor to concentrate control System, motor chain control, it is to control A.C. contactor by relay, two or two or more, is dispersed in difference The motor in place is concentrated in together with manually or automatically chain control and is managed collectively.Belong to motor control technologies neck Domain.

Background technique

Motor is for dragging different types of machine, and machine may disperse in different places, many places be by One people keeps an eye on more machines, and when machine goes wrong, administrative staff will attend to one thing and lose sight of another, and is nervously fumbled and without fitting From, formed it is man-machine between contradiction, therefore it is required that motor is concentrated in together to be managed collectively.Motor and concentration are controlled Often there is a certain distance between the place of system, the motor centralized control realized mostly using power cabinet at present is moved Power cabinet control method is that A.C. contactor is concentrated in together, and removes the motor of control different location, solves between man-machine in this way Contradiction, but increase distance between A.C. contactor and motor, thus waste a large amount of non-ferrous metals and line loss. Due to motor capacity difference, the A.C. contactor size selected is also different, therefore power cabinet is difficult to meet motor Chain use demand, if using motor central control device, can overcome the existing waste non-ferrous metal of existing control device, Increase line loss, be difficult to meet the shortcomings that motor chain use demand.

Summary of the invention

The utility model is a kind of motor central control device.Motor central control device is exported by relay A piece power control line controls different address, different size of A.C. contactor, two or two or more motor, collection In be managed collectively together, thus overcome existing control device exist waste non-ferrous metal, increase line loss, The shortcomings that being difficult to meet motor chain use demand, realize the purpose of this utility model.

Solve its technical problem the technical solution adopted is that: motor central control device includes: manual centralized control electricity Road, automatic concentration chain control circuit, relay start control circuit, motor start-up control circuit.

Cathode power supply switch K and manual centralized control circuit connection when manual centralized control；Then manual centralized control Circuit is to connect manual shut-down one end button SB1 with manual cathode power supply, the manual shut-down button SB1 other end with open manually The dynamic one end button SB2 connection, the manual actuation of button SB2 other end are connect with the one end relay KA1 is manually booted, manually boot after The electric appliance KA1 other end is connect with negative power supply, and the self-locking contact KA1 for manually booting relay is in parallel with manual actuation of button SB2 Connection.Manual centralized control circuit connecting method is identical as above-mentioned connection method below.

The automatic cathode power supply switch K concentrated when chain control concentrates chain control circuit connection with automatic；Then automatic Concentrating chain control circuit is to connect autostop one end button SB7 with the one end auto-start button SB8, auto-start button The SB8 other end is connect with the one end automatic starting relay 1KA, and the self-locking contact 1KA of automatic starting relay is pressed with automatic starting Button SB8 is connected in parallel, starting one end contact 1KA of automatic starting relay and start-up time delay one end relay 1KT1 connect It connects, one end chain contact 2KA1 of motor start-up relay is connect with the one end start-up time delay relay 1KT2；Automatically stop The chain moving contact 2KA1 other end for starting contact 1KA, motor start-up relay of machine button SB7, automatic starting relay It is connect with automatic cathode power supply, automatic starting relay 1KA, start-up time delay relay 1KT1, start-up time delay relay The device 1KT2 other end is connect with negative power supply.Concentrate chain control circuit connecting method and above-mentioned connection method phase automatically below Together.

It is starting contact KA1, the start-up time delay relay that will manually boot relay that relay, which starts control circuit, Starting one end contact 1KT1 disconnect relay 2KT1 with delay, delay disconnects the delay of relay and disconnects head 2KT1, exchanges and connect The connection of tentaculum response one end contact KM1, delay disconnect delay breaking-off contact 2KT1, the A.C. contactor response contact of relay The KM1 other end is connect with the one end motor start-up relay 2KA1；Starting contact KA1, the start-up time delay of manual relay The starting contact 1KT1 other end of relay is connect with negative power supply, and delay disconnects relay 2KT1, motor start-up relay The 2KA1 other end is connect with cathode power supply.Following relay starting control circuit connection method is identical as above-mentioned connection method.

Motor start-up control circuit is by starting one end contact 2KA1 of motor start-up relay and~220V power supply Connection, the starting contact 2KA1 other end of motor start-up relay are connect with the one end A.C. contactor KM1, A.C. contactor The KM1 other end is connect with 0 line.Following motor start-up control circuit connection method is identical as above-mentioned connection method.

When motor carries out centralized control, using the starting contact of motor start-up relay, A.C. contactor is connected Power supply goes control motor start-up operation.

Beneficial effect is:, can be with arbitrarily starting it manually when motor central control device is used for manual centralized control In a motor；Chain automatic starting motor in sequence when for concentrating chain control automatically, it can by Any one needs to concentrate a kind of control device of chain production line.

Detailed description of the invention

The utility model is described further with embodiment with reference to the accompanying drawing

Fig. 1 is motor centralized control circuit diagram；

Fig. 2 motor start-up control circuit schematic diagram.

Specific embodiment

Utility model specific embodiment: motor central control device includes: manual centralized control circuit, automatic concentration Chain control circuit, relay start control circuit, motor start-up control circuit.It is to pass through ac contactor by relay Device is dispersed in the motor of different location two and two or more, concentrates in together to be managed collectively, and is that one kind can be with Thus general motor central control device overcomes existing control device and there is waste non-ferrous metal, increases route damage It consumes, be difficult to meet the shortcomings that motor chain demand.It is described further below in conjunction with attached drawing:

Cathode power supply switch K and manual centralized control circuit connection in Fig. 1, when manual centralized control；Then collect manually Middle control circuit is to connect manual shut-down one end button SB1 with manual cathode power supply, the manual shut-down button SB1 other end and hand The dynamic one end start button SB2 connection, the manual actuation of button SB2 other end connect with the one end relay KA1 is manually booted, open manually The motor type relay KA1 other end is connect with negative power supply, manually boots the self-locking contact KA1 and manual actuation of button SB2 of relay It is connected in parallel.Manual centralized control circuit connecting method is identical as above-mentioned connection method below.

In Fig. 1, the automatic cathode power supply switch K concentrated when chain control concentrates chain control circuit connection with automatic；So Concentrating chain control circuit automatically afterwards is to connect autostop one end button SB7 with the one end auto-start button SB8, automatically The start button SB8 other end is connect with the one end automatic starting relay 1KA, the self-locking contact 1KA of automatic starting relay with from Dynamic start button SB8 is connected in parallel, starting one end contact 1KA of automatic starting relay and start-up time delay relay 1KT1 One end connects, one end chain contact 2KA1 of motor start-up relay is connect with the one end start-up time delay relay 1KT2； The chain moving contact 2KA1 for starting contact 1KA, motor start-up relay of autostop button SB7, automatic starting relay The other end is connect with automatic cathode power supply, when automatic starting relay 1KA, start-up time delay relay 1KT1, delayed startup Between the relay 1KT2 other end connect with negative power supply.Concentrate chain control circuit connecting method and above-mentioned connection side automatically below Method is identical.

In Fig. 1, it is starting contact KA1, the start-up time delay that will manually boot relay that relay, which starts control circuit, Relay starting the one end contact 1KT1 and delay disconnect relay 2KT1, delay disconnect relay delay disconnect head 2KT1, The connection of A.C. contactor response one end contact KM1, delay disconnect the delay breaking-off contact 2KT1 of relay, A.C. contactor response The contact KM1 other end is connect with the one end motor start-up relay 2KA1；Starting contact KA1, the delayed startup of manual relay The starting contact 1KT1 other end of the time relay is connect with negative power supply, delay disconnect relay 2KT1, motor start-up after The electric appliance 2KA1 other end is connect with cathode power supply.Following relay starting control circuit connection method and above-mentioned connection method phase Together.

In Fig. 2, motor start-up control circuit be by starting one end contact 2KA1 of motor start-up relay with~ The connection of 220V power supply, the starting contact 2KA1 other end of motor start-up relay are connect with the one end A.C. contactor KM1, are exchanged The contactor KM1 other end is connect with 0 line.Following motor start-up control circuit connection method is identical as above-mentioned connection method.

When motor carries out manual centralized control, manual actuation of button SB2 is pressed, connection manually boots relay KA1 Power supply manually boots relay KA1 and is attracted and self-locking, manually boots relay in relay starting control circuit at this time Start contact KA1 to be attracted, electric current will pass through the delay breaking-off contact 2KT1 that delay disconnects relay, make motor start-up relay 2KA1 obtains electric actuation, inhales the starting contact 2KA1 of the motor start-up relay in motor start-up control circuit after actuation It closes, connects A.C. contactor KM1 power supply, A.C. contactor KM1 acquisition~220V is attracted, the response of A.C. contactor after actuation Contact KM1 locks the delay breaking-off contact 2KT1 that the delay in motor start-up control circuit disconnects relay, when delay disconnects After the delay breaking-off contact 2KT1 of relay is disconnected, pass through electric current from the response contact KM1 of A.C. contactor, keeps motor Starting relay 2KA1 is worked normally, motor start-up operation.When motor carries out manual centralized control, above-mentioned side can be used Method arbitrarily starts other motor.

When motor carries out automatic concentration chain control, auto-start button SB8 is pressed, automatic starting relay is connected 1KA power supply, automatic starting relay 1KA is attracted and self-locking, the starting contact 1KA actuation of automatic starting relay, connection delay Start time relay 1KT1 power supply to be attracted, the start-up time delay relay in relay starting control circuit is made after actuation Starting contact 1KT1 is attracted after being delayed, and electric current will pass through the delay breaking-off contact 2KT1 that delay disconnects relay, makes motor Starting relay 2KA1 obtains electric actuation, connects A.C. contactor KM1 power supply, and A.C. contactor KM1 acquisition~220V is attracted, and inhales After conjunction A.C. contactor response contact KM1 lock delay disconnect relay delay breaking-off contact 2KT1, when delay disconnect after After the delay breaking-off contact 2KT1 of electric appliance is disconnected, pass through power supply from the response contact KM1 of A.C. contactor, motor is kept to open Motor type relay 2KA1 is worked normally, motor start-up operation.When motor carries out automatic concentration chain control, above-mentioned side can be used Method, other motor of automatic linkage sequence starting.

In conclusion motor central control device is by manual centralized control and automatic concentration two part group of chain control At manual centralized control can start a wherein motor with any manually, and concentrating chain control automatically is to connect in sequence The automatic starting motor of lock, its main feature is that the operation of control motor need to be only gone with a control line, with answering for A.C. contactor The operation of contact feedback motor is answered, thus constituting motor central control device can need to concentrate by any one Chain production line.

Claims (5)

1. a kind of motor central control device, it includes manual centralized control circuit, automatic concentration chain control circuit, relay Device starts control circuit, motor start-up control circuit, it is characterized in that: manual centralized control circuit is by manual shut-down button The one end SB1 is connect with manual cathode power supply, and the manual shut-down button SB1 other end is connect with the one end manual actuation of button SB2, manually The start button SB2 other end is connect with the one end relay KA1 is manually booted, and manually boots the relay KA1 other end and negative electricity Source connection, the self-locking contact KA1 and manual actuation of button SB2 for manually booting relay are connected in parallel；It is automatic to concentrate chain control Circuit is to connect autostop one end button SB7 with the one end auto-start button SB8, the auto-start button SB8 other end with The automatic one end starting relay 1KA connection, the self-locking contact 1KA of automatic starting relay is in parallel with auto-start button SB8 to be connected It connects, starting one end contact 1KA of automatic starting relay is connect with the one end start-up time delay relay 1KT1, motor start-up One end chain contact 2KA1 of relay is connect with the one end start-up time delay relay 1KT2；Relay starts control circuit The starting contact KA1 for manually booting relay, starting one end contact 1KT1 of start-up time delay relay and delay are disconnected Relay 2KT1, delay disconnect the delay breaking-off contact 2KT1 of relay, the connection of A.C. contactor response one end contact KM1, prolong When disconnect relay delay breaking-off contact 2KT1, the A.C. contactor response contact KM1 other end and motor start-up relay The connection of the one end 2KA1.

2. motor central control device according to claim 1, it is characterized in that: cathode power supply when manual centralized control Switch K and manual centralized control circuit connection；Automatically it concentrates cathode power supply switch K when chain control and concentrates chain control automatically Circuit connection processed.

3. motor central control device according to claim 1, it is characterized in that: concentrate in chain control circuit automatically, The chain moving contact 2KA1 for starting contact 1KA, motor start-up relay of autostop button SB7, automatic starting relay The other end is connect with automatic cathode power supply, when automatic starting relay 1KA, start-up time delay relay 1K T1, delayed startup Between the relay 1KT2 other end connect with negative power supply.

4. motor central control device according to claim 1, it is characterized in that: the starting contact KA1 of manual relay, The starting contact 1KT1 other end of start-up time delay relay is connect with negative power supply, and delay disconnects relay 2KT1, electronic The machine starting relay 2KA1 other end is connect with cathode power supply.

5. motor central control device according to claim 1, it is characterized in that: the starting of motor start-up relay is touched Head one end 2KA1 is connect with~220V power supply, the starting contact 2KA1 other end and A.C. contactor of motor start-up relay The connection of the one end KM1, the A.C. contactor KM1 other end are connect with 0 line.