CN104678759A

CN104678759A - Master-slave controller circuit

Info

Publication number: CN104678759A
Application number: CN201310686253.4A
Authority: CN
Inventors: 康典; 吕景华
Original assignee: XI'AN HENGFEI ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: XI'AN HENGFEI ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2013-11-26
Filing date: 2013-11-26
Publication date: 2015-06-03

Abstract

The invention relates to a switching circuit and particularly relates to a master-slave controller circuit. The master-slave controller circuit is characterized by at least comprising a main control circuit, a first controller, a second controller, a second relay, a contactor, a control device and a first relay, wherein the main control circuit is electrically connected to the first relay through a driving circuit; a first switch K1 of the first relay is in series connection between alternating-current 220V and the power end of the contactor; a second switch K2 of the first relay is in series connection between direct-current 24V and the power end of the second relay; a first switch K3 corresponding to the contactor is in series connection between the first controller and a power supply circuit of the control device; the first switch K3 corresponding to the contactor is in series connection between the second controller and the power supply circuit of the control device. Through the master-slave controller circuit, the circuit can be quickly switched to a spare channel when the main channel has a fault, so that the system can continue to run.

Description

A kind of master-slave controller circuit

This case is the divisional application of applying date 2013-11-26, application number 201310603194X, application title " a kind of master-slave controller commutation circuit ".

Technical field

The present invention relates to commutation circuit, particularly a kind of master-slave controller circuit.

Technical background

In the use procedure of servo extension set, often occurring various use problem, in the middle of these problems, is the most seriously control the access issues between motor.Because equipment needs continuity, therefore existing 1 generation servo extension set can not meet the demands, require that servo extension set possesses continuity, and reply catastrophic failure function.In the national defence scientific research technical field in future, ejusdem generis equipment needs high reliability, the role that therefore continuity performer is more and more important.

Summary of the invention

The object of this invention is to provide a kind of master-slave controller circuit, alternate channel to be switched to when breaking down in main channel fast to make system continue to run to solve.

The object of the present invention is achieved like this, a kind of master-slave controller circuit, it is characterized in that: at least comprise governor circuit 1, first controller 2, second controller 3, second relay 4, contactor 5, opertaing device 6, first relay 7, governor circuit 1 is electrically connected with the first relay 7 by driving circuit, first K switch 1 of the first relay 7 is serially connected in and exchanges between 220v and contactor 5 power end, and the second switch K2 of the first relay 7 is serially connected between direct current 24v and the second relay 4 power end; First K switch 3(of contactor 5 correspondence often opens or normally closed) be serially connected in the first controller 2 with the electric power loop of opertaing device 6; First K switch 3(of contactor 5 correspondence is normally closed or often open) be serially connected in second controller 3 with the electric power loop of opertaing device 6; 4th K switch 4(of the second relay 4 correspondence often opens or normally closed) be serially connected in the first controller 2 with the electric power loop of opertaing device 6; 4th K switch 4(of the second relay 4 correspondence is normally closed or often open) be serially connected in second controller 3 with the electric power loop of opertaing device 6.

The present invention switches fast owing to adopting the first controller 2 and second controller 3, operationally only has the first controller 2 or second controller 3 to work, and second controller 3 or the first controller 2 power up standby.When a controller goes wrong, be switched to stand-by equipment fast.System is made to continue to run.

Accompanying drawing explanation

Below in conjunction with embodiment accompanying drawing, the invention will be further described:

Fig. 1 is the embodiment of the present invention 1 circuit control principle figure;

Fig. 2 is the embodiment of the present invention 2 circuit control principle figure;

The circuit diagram of Fig. 3 governor circuit.

In figure, 1, governor circuit; 2, the first controller; 3, second controller; 4, the second relay; 5, contactor; 6, opertaing device; 7, the first relay; 8, the first current sensor; 9, the second current sensor.

Embodiment

Embodiment 1

As shown in Figure 1, a kind of master-slave controller circuit, it is characterized in that: at least comprise governor circuit 1, first controller 2, second controller 3, second relay 4, contactor 5, opertaing device 6, first relay 7, governor circuit 1 is electrically connected with the first relay 7 by driving circuit, first K switch 1 of the first relay 7 is serially connected in and exchanges between 220v and contactor 5 power end, and the second switch K2 of the first relay 7 is serially connected between direct current 24v and the second relay 4 power end; First K switch 3(of contactor 5 correspondence often opens or normally closed) be serially connected in the first controller 2 with the electric power loop of opertaing device 6; First K switch 3(of contactor 5 correspondence is normally closed or often open) be serially connected in second controller 3 with the electric power loop of opertaing device 6; 4th K switch 4(of the second relay 4 correspondence often opens or normally closed) be serially connected in the first controller 2 with the electric power loop of opertaing device 6; 4th K switch 4(of the second relay 4 correspondence is normally closed or often open) be serially connected in second controller 3 with the electric power loop of opertaing device 6.

Embodiment 2

Normally closed or often open at the first K switch 3(of contactor 5 correspondence) be serially connected in second controller 3 and the electric power loop of opertaing device 6 and have the first current sensor 8, first current sensor 8 is electrically connected with governor circuit 1, governor circuit 1 for being detected the duty of the first controller 2 by the first current sensor 8, to determine to determine whether that carrying out active switches.

Embodiment 3

Often to open or normally closed at the 4th K switch 4(of the second relay 4 correspondence) be serially connected in the first controller 2 and the electric power loop of opertaing device 6 and have the second current sensor 9, second current sensor 9 is electrically connected with governor circuit 1, governor circuit 1 for being detected the duty of second controller 3 by the second current sensor 9, to determine to determine whether that carrying out active switches.

Operationally only have the first controller 2 or second controller 3 to work, second controller 3 or the first controller 2 power up standby.

Described governor circuit 1 comprises: controller 101, communication interface 102, digital interface 103, display 104, clock circuit 105, memory 106 and keyboard circuit 107 and power supply 108, controller 101 is electrically connected with the first current sensor 8 and the second current sensor 9 by communication interface 102, by digital interface 103 and display 104, clock circuit 105, memory 106 and keyboard circuit 107 are electrically connected, power supply 108 supplies controller 101, digital interface 103, display 104, clock circuit 105, the power supply of memory 106 and keyboard circuit 107, the data course that memory 106 is gathered by controller 101 under comprising the first controller 2 and second controller 3 reference performance, data payload data and the data course of controller 101 pairs of Real-time Collections are compared, to determine whether that carrying out active switches.

Claims

1. a master-slave controller circuit, at least comprise governor circuit, first controller, second controller, second relay, contactor, opertaing device, first relay, it is characterized in that: governor circuit comprises: controller, communication interface, digital interface, display, clock circuit, memory and keyboard circuit and power supply, controller is electrically connected with the first current sensor and the second current sensor by communication interface, by digital interface and display, clock circuit, memory and keyboard circuit electrical connection, power supply supply controller, digital interface, display, clock circuit, the power supply of memory and keyboard circuit, the data course that memory is gathered by controller under comprising the first controller and second controller reference performance, controller is compared to the data payload data of Real-time Collection and data course, to determine whether that carrying out active switches.

2. a kind of master-slave controller circuit according to claim 1, it is characterized in that: governor circuit is electrically connected with the first relay by driving circuit, first K switch 1 of the first relay is serially connected in and exchanges between 220v and contactor power end, and the second switch K2 of the first relay is serially connected between direct current 24v and the second relay power end; The first K switch 3 that contactor is corresponding is serially connected in the electric power loop of the first controller and opertaing device; The first K switch 3 that contactor is corresponding is serially connected in the electric power loop of second controller and opertaing device; The 4th K switch 4 that second relay is corresponding is serially connected in the electric power loop of the first controller and opertaing device; The 4th K switch 4 that second relay is corresponding is serially connected in the electric power loop of second controller and opertaing device.

3. a kind of master-slave controller circuit according to claim 1, it is characterized in that: normally closed or often open at the first K switch 3(that contactor is corresponding) be serially connected in the electric power loop of second controller and opertaing device and have the first current sensor, first current sensor is electrically connected with governor circuit, governor circuit is used for the duty being detected the first controller by the first current sensor, to determine whether that carrying out active switches.

4. a kind of master-slave controller circuit according to claim 1, it is characterized in that: operationally only have the first controller or second controller work, second controller or the first controller power up standby.

5. a kind of master-slave controller circuit according to claim 1, it is characterized in that: often to open or normally closed at the 4th K switch 4(that the second relay is corresponding) be serially connected in the electric power loop of the first controller and opertaing device and have the second current sensor, second current sensor is electrically connected with governor circuit, governor circuit is used for the duty being detected second controller by the second current sensor, to determine to determine whether that carrying out active switches.