CN201623528U

CN201623528U - Self-input and self-recovery programmable controller

Info

Publication number: CN201623528U
Application number: CN2010201192646U
Authority: CN
Inventors: 裔全胜
Original assignee: Nanjing Daqo Electric Co Ltd
Current assignee: Nanjing Daqo Electric Co Ltd
Priority date: 2010-02-26
Filing date: 2010-02-26
Publication date: 2010-11-03
Anticipated expiration: 2020-02-26

Abstract

The utility model relates to a control device, in particular to a self-input and self-recovery programmable controller which belongs to the technical field of transmission and distribution equipment. The self-input and self-recovery programmable controller comprises an incoming line and a coupler which are mutually connected, and an incoming line relay and a coupler relay under the control of the programmable controller are respectively arranged in the incoming line and the coupler; and the corresponding port of the input end of a programmable control relay is connected with an incoming line voltage relay contact, and the corresponding port of the output end thereof is respectively connected with the incoming line relay coil and a coupler relay coil. The self-input and self-recovery programmable controller has the beneficial effects of simple design, convenient use and low fault rate, and can realize the reliable electrical interlocking between the incoming line and the coupler as well as the self-input and self-recovery, self-input but not self-recovery and manual input and recovery functions.

Description

Haul oneself willingly into the runback Programmable Logic Controller

Technical field

The utility model relates to a kind of control device, and especially a kind of runback Programmable Logic Controller of hauling oneself willingly into belongs to the equipment for power transmission and distribution technical field.

Background technology

Continuous development along with city mesolow distribution system, users such as enterprise, residential block, development zone generally adopt many inlet wires mode to guarantee that distribution system has the distributed terminator ability, electricity consumption reliability when simultaneously, having guaranteed appropriate section high-tension line and Repair of Transformer by a plurality of power supply point power supplies.Therefore, in the design of low-voltage power supply system, require usually to adopt safe and reliable electrical interlock between inlet wire and the female connection, and have and to realize hauling oneself willingly into runback, haul oneself willingly into not runback, manually throw functions such as multiple, but the design of existing electric circuit is complicated, failure rate height, maintenance are also inconvenient.

The utility model content

The purpose of this utility model is: at the shortage of above-mentioned prior art, propose a kind of simplicity of design, easy to use, failure rate is low, and can realize between the female connection of inlet wire electrical interlock reliably and haul oneself willingly into runback, haul oneself willingly into runback not, manually throw multiple function haul oneself willingly into the runback Programmable Logic Controller.

In order to reach above purpose, the runback Programmable Logic Controller of hauling oneself willingly into of the present utility model comprises the inlet wire and female connection that are connected, and its improvements are, are respectively equipped with the inlet wire and the female connection relay that are controlled by control relay able to programme in described inlet wire and the female connection; The corresponding port of described control relay input able to programme taps into line voltage relay contact, and the corresponding port of output taps into line and female connection relay coil respectively.

Further improvement of the utility model is that described inlet wire is connected with switch divide-shut brake coil in female connection with inlet wire respectively with female connection relay coil.

Of the present utility model further the improvement is that the corresponding port of described control relay input able to programme taps into switch auxiliary contact and fault contact in line and the female connection respectively.

Of the present utility model further the improvement again is that the corresponding port of described control relay input able to programme also connects the conversion switch.

The beneficial effects of the utility model are: haul oneself willingly into runback Programmable Logic Controller simplicity of design, easy to use, failure rate is low, accept the status signal of voltage signal, hand automatic signal and the inlet wire and the bus connection switch of inlet wire by control relay able to programme, and by its internal processes driving switch relay to realize between inlet wire and female connection electrical interlock reliably, realize that simultaneously controller hauls oneself willingly into runback, hauls oneself willingly into not runback, function such as manually throws again.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 is the control circuit figure of an embodiment of the utility model.

Fig. 2 is a secondary electric hookup of the present utility model.

Embodiment

Embodiment one

Present embodiment haul oneself willingly into the runback Programmable Logic Controller as shown in Figure 1, it is the control circuit of three inlet wires, two female connection, comprise the female connection of 1# inlet wire, 2# inlet wire, 3# inlet wire and 4#, the female connection of 5#, has following several situation: during operate as normal, 1# inlet wire, 2# inlet wire, 3# inlet wire closure, the female connection of 4#, 5# bus connection switch separating brake; When 1# inlet wire decompression and 1# service entrance switch fault-free, 1# service entrance switch separating brake, the female connection of 4# is closed; When 3# inlet wire decompression and 3# service entrance switch fault-free, 3# service entrance switch separating brake, the female connection of 5# is closed; When 2# inlet wire decompression and 2# service entrance switch fault-free, 2# service entrance switch separating brake, at this moment, if the 1# inlet wire is normal, then the female connection of 4# is closed, if the 3# inlet wire is normal, then the female connection of 5# is closed; In three sections inlet wires, any two sections inlet wire decompressions and corresponding service entrance switch fault-free, this switch separating brake, the female connection of 4#, 5# bus connection switch closure.

As shown in Figure 2, the 1# inlet wire, the 2# inlet wire, the 3# inlet wire, be respectively equipped with the 1# inlet wire that is controlled by control relay LOGO able to programme in female connection of 4# and the female connection of 5#, the 2# inlet wire, the 3# inlet wire, female connection of 4# and the female connection of 5# relay, the corresponding port of control relay LOGO input able to programme connects the 1# inlet wire, the voltage relay contact KA1～KA6 of 2# inlet wire and 3# inlet wire, make control relay LOGO able to programme can receive the 1# inlet wire, the voltage signal of 2# inlet wire and 3# inlet wire, the corresponding port of control relay LOGO output able to programme connects the 1# inlet wire respectively, the 2# inlet wire, the 3# inlet wire, the female connection of 4# and the female connection of 5# relay coil KM1～KM10, relay coil KM1～KM10 respectively with the 1# inlet wire, the 2# inlet wire, the 3# inlet wire, the female connection of 4# and switch divide-shut brake coil Q11/Q12～Q101/Q102 that 5# is female in joining are connected, control relay LOGO able to programme can drive relay coil KM1～KM10 by internal processes, and then undertaken deciliter by the switch divide-shut brake of relay coil KM1～KM10 control 1#～5# circuit, to realize the electrical interlock between inlet wire and female the connection; Also be provided with in the switch of 1#～5# circuit the auxiliary contact of switch state signal QF1～QF5 and fault contact SD1～SD5 can be provided, switch auxiliary contact QF1～QF5 is connected with the corresponding port of control relay LOGO input able to programme respectively with fault contact SD1～SD5, and the status signal and the fault-signal of line switching are imported relay LOGO able to programme; The corresponding port of control relay LOGO input able to programme in addition also meets conversion switch S A, is hauling oneself willingly into runback, is hauling oneself willingly into not runback and the manually selection between the multiple function of throwing in order to realize controller.

During real work, the 1# inlet wire, the voltage relay contact KA1 of 2# inlet wire and 3# inlet wire～KA6 imports control relay LOGO able to programme with the voltage signal of inlet wire earlier, the switch auxiliary contact QF1～QF5 and the fault contact SD1～SD5 of inlet wire and female connection import control relay LOGO able to programme with the status signal and the fault-signal of inlet wire and bus connection switch simultaneously, control relay LOGO able to programme drives relay K M1～KM10 by internal processes again, and then by the divide-shut brake of relay K M1～KM10 control 1#～5# line switching, to realize the electrical interlock between inlet wire and female the connection.

In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.

Claims

1. haul oneself willingly into the runback Programmable Logic Controller for one kind, comprise the inlet wire and female connection that are connected, it is characterized in that: be respectively equipped with the inlet wire and the female connection relay that are controlled by control relay able to programme in described inlet wire and the female connection; The corresponding port of described control relay input able to programme taps into line voltage relay contact, and the corresponding port of output taps into line and female connection relay coil respectively.

2. the runback Programmable Logic Controller of hauling oneself willingly into according to claim 1 is characterized in that: described inlet wire is connected with switch divide-shut brake coil in female connection with inlet wire respectively with female connection relay coil.

3. the runback Programmable Logic Controller of hauling oneself willingly into according to claim 1 is characterized in that: the corresponding port of described control relay input able to programme taps into switch auxiliary contact and fault contact in line and the female connection respectively.

4. the runback Programmable Logic Controller of hauling oneself willingly into according to claim 1 is characterized in that: the corresponding port of described control relay input able to programme also connects the conversion switch.