CN221467071U - Automatic operation module for switching on by matching with incoming call of high-voltage cabinet - Google Patents

Automatic operation module for switching on by matching with incoming call of high-voltage cabinet Download PDF

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Publication number
CN221467071U
CN221467071U CN202323392402.4U CN202323392402U CN221467071U CN 221467071 U CN221467071 U CN 221467071U CN 202323392402 U CN202323392402 U CN 202323392402U CN 221467071 U CN221467071 U CN 221467071U
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switching
plc
contact
module
cabinet
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徐丛武
刘晓玲
徐俊
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Abstract

The utility model relates to the technical field of power system automation, in particular to an automatic operation module for switching on by matching with a high-voltage cabinet incoming call. According to the utility model, manual, automatic switching and automatic resetting operation can be realized through the 2-way incoming line circuit breaker and the 1-way connecting circuit breaker, the reliable unmanned on duty requirement is realized, the damage of an electric instrument caused by quick switching and power transmission is avoided, and the reliable power supply operation of the instrument and equipment is ensured.

Description

Automatic operation module for switching on by matching with incoming call of high-voltage cabinet
Technical Field
The utility model relates to the technical field of power system automation, in particular to an automatic operation module for switching on by matching with the incoming call of a high-voltage cabinet.
Background
The power system automation means that the power system is automatically processed by monitoring, controlling, protecting, scheduling and the like by using technical means such as computers, communication, control and the like so as to improve the safety, reliability, economy and automation degree of the power system.
The intelligent control device and the intelligent control method for the electric high-voltage circuit breaker comprise a circuit breaker main control module and a wireless remote control module; the wireless remote control module is used for transmitting control signals and ID numbers to the main control module of the circuit breaker in the form of radio waves; and the singlechip of the circuit breaker main control module analyzes and calculates according to the high-voltage cabinet switch state information detected by the high-voltage cabinet switch state detection unit, the control signal and the ID number uploaded by the wireless remote control module, and controls the action of the circuit breaker switching control unit according to a calculation result. The device and the method realize the automation of the switching-off/switching-on process of the high-voltage circuit breaker, and can perform remote control operation in a visual range of 3-10 meters, thereby being safe, visual and reliable; the wireless remote control module is used for transmitting coded data, so that the wireless remote control module can accurately control the multiple breaker main control modules to execute the switching-off/switching-on actions of the high-voltage breakers, but the device still needs people to conduct remote control operation through the wireless remote control module, and when the wireless remote control module is applied to a scene that a low-voltage cabinet is matched with a high-voltage cabinet to be powered off/on, the power transmission matching of the low-voltage two-way main switch and the contact switch is particularly important, and once the power failure and the power failure of electric instrument equipment can be caused due to improper matching, the time difference matching of the high-voltage main switch and the low-voltage inlet main switch is particularly important.
In order to ensure that the low-voltage cabinet cooperates with the automatic operation flow of switching off of the high-voltage cabinet, manual switching-on, automatic switching-on and automatic switching-off of the incoming call low-voltage side and the time delay cooperation automatic operation of the high-voltage low-voltage switch, the automatic operation module for cooperating with the incoming call of the high-voltage cabinet to perform switching-on is provided.
Disclosure of utility model
The utility model aims to provide an automatic operation module for switching on by matching with the incoming call of a high-voltage cabinet so as to solve the problems in the background technology.
In order to achieve the above purpose, the utility model provides an automatic operation module for switching on by matching with the incoming call of a high-voltage cabinet, which comprises two incoming line cabinets and a bus-bar cabinet, wherein the bus-bar cabinet comprises a micro-switch, a PLC self-reset module, an electrical interlocking module, a switching-on and switching-off control module, an electrical cabinet state signal module, a switching-on and switching-off state module and an acquisition module, the two incoming line cabinets are connected with the micro-switch, the micro-switch is connected with the electrical interlocking module, the electrical interlocking module and the PLC self-reset module are connected with the switching-on and switching-off control module, and the switching-on and switching-off control module is connected with the electrical cabinet state signal module, the switching-on and switching-off state module and the acquisition module;
When the electric cabinet is powered on or off, the operation flows of manual switching-on, automatic switching-on and automatic switching-off are realized through the switching-on and switching-off control module, and the current working states of the wire inlet cabinet and the bus-bar cabinet are indicated through the electric cabinet state signal module, the switching-on and switching-off state module and the acquisition module.
As a further improvement of the technical scheme, the micro-switch comprises a UPS uninterrupted control power supply, wherein the input end of the UPS uninterrupted control power supply is connected with an intermediate relay K and a contact K of the intermediate relay K and connected with an N line in parallel, the contact K is connected with fuses 3FU1 and 3FU2, the fuse 3FU1 is connected with a 1L1 line from one incoming line cabinet, and the fuse 3FU2 is connected with a 2L1 line from the other incoming line cabinet.
As a further improvement of the present technical solution, the electrical interlock module includes a transfer switch SAC and switches S3, S4, wherein:
The pins 5, 6, 7, 8, 19 and 20 of the transfer switch SAC and the switch S3 are arranged on a circuit connected with a wire inlet cabinet;
Pins 9, 10, 11, 12, 21, 22 of the transfer switch SAC and the switch S4 are arranged on a circuit connected with the other incoming line cabinet.
As a further improvement of the technical proposal, the PLC self-resetting module comprises a PLC controller,
L1, 1L, 2L and 3L of the PLC are connected with a fuse 3FU3, and the fuse 3FU3 is connected with an L line;
The Q00 terminal of the PLC controller is connected with the intermediate relay KP11, the Q01 terminal of the PLC controller is connected with the intermediate relay KP12, the Q02 terminal of the PLC controller is connected with the intermediate relay KP21, the Q03 terminal of the PLC controller is connected with the intermediate relay KP22, the Q04 terminal of the PLC controller is connected with the intermediate relay KP31, the Q05 terminal of the PLC controller is connected with the intermediate relay KP32, the Q06 terminal of the PLC controller is connected with the switch BY1, the Q07 terminal of the PLC controller is connected with the switch BY2, the Q10 terminal of the PLC controller is connected with the switch BY3 and the Q11 terminal of the PLC controller;
The N end of the PLC and the intermediate relays KP11, KP12, KP21, KP22, KP31, KP32, switches BY1, BY2, BY3 and BY4 are connected with N lines.
As a further improvement of the technical scheme, the on-off control module comprises contacts 1QF and 2QF leading from two incoming line cabinets and contacts KP31 and KP32 leading from the bus-tie cabinet PLC, wherein:
One ends of the contacts 1QF and 2QF are connected with a relay Y1, the other ends of the contacts 1QF and 2QF are connected with a miniature circuit breaker 3ZK, a modular combined electrical appliance MCH, a relay F1, intermediate relays 3KA1 and 3KA2, signals and the like 3HR, 3HG and 3HW, and the miniature circuit breaker 3ZK is connected with an L line and an N line;
one ends of the contacts KP31 and KP32 are connected with the 18 pin of the transfer switch SAC, the other ends of the contacts KP31 and KP32 are connected with the button 3SC and the button 3SO in parallel, the button 3SC is connected with the 2 pin of the transfer switch SAC, and the button 3SO is connected with the 4 pin of the transfer switch SAC;
The 1 foot, 3 foot, 17 foot of change over switch SAC all connect miniature circuit breaker 3ZK, contact S1, S11, S21, 3KA1, contact S1 connects signal lamp 3HR, 3HG other end connects the intermediate relay 3KA2 other end in parallel, contact S11 connects the modular combination electrical apparatus MCH other end, contact S21 connects the intermediate relay 3KA1 other end, contact 3KA1 connects the signal lamp 3HW other end.
As a further improvement of the technical proposal, the electric cabinet state signal module comprises the PLC controller,
L+ port contact points 1KV1, 1KV2, 1KA1, 1KA3, S3, 2KV1, 2KV2, 2KA1, 2KA3, 3KA1 and BY of the PLC are connected in parallel with 14, 16 and 24 pins of the transfer switch SAC;
The I00 end of the PLC is connected with the other end of the contact 1KV1 and the other end of the contact 1KV 2;
The I01 end of the PLC is connected with the other end of the contact 1KA1 and the other end of the contact 1KA 3;
The I03 and I15 of the PLC are connected with the other end of the contact S3;
The I04 end of the PLC is connected with the other end of the contact 2KV1 and the other end of the contact 2KV 2;
and an I05 end of the PLC is connected with the other end of the contact 2KA1, an I06 end of the PLC is connected with the other end of the contact 2KA3, an I13 end of the PLC is connected with the other end of the contact 3KA1, and an I14 end of the PLC is connected with the other end of the contact BY.
As a further improvement of the technical scheme, the on-off state module comprises a PMC controller, wherein the DI1 end contact 3KA2, the DI2 end contact QF, the DI3 end contact 3KA2 and the DI4 end contact switch YL1 of the PMC controller, and the contacts 3KA1, 3KA2, QF and the switch YL1 are all connected with the DIC end of the PMC controller.
As a further improvement of the technical solution, the acquisition module comprises the PMC controller,
An I11 end of the PMC controller is connected with a current transformer LHa, and the other end of the current transformer LHa is connected with an I12 end of the PMC controller in parallel connection with a PE end;
An I21 end of the PMC controller is connected with a current transformer LHb, and the other end of the current transformer LHb is connected with an I22 end of the PMC controller in parallel with a PE end;
an I31 end of the PMC controller is connected with a current transformer LHc, and the other end of the current transformer LHc is connected with an I32 end of the PMC controller in parallel with a PE end;
The PMC controller has V1 end connected to the fuse FU1, V2 end connected to the fuse FU2, V3 end connected to the fuse FU3, L+ end connected to the fuse FU4, VN and N-end connected to the N line.
As a further improvement of the technical scheme, the two incoming line cabinets are provided with signal circuits for indicating the on-off state of the circuit breaker.
Compared with the prior art, the utility model has the beneficial effects that:
in the automatic operation module for switching on by matching with the incoming call of the high-voltage cabinet, manual and automatic switching-on and automatic switching-off operation can be realized through the 2-way incoming line circuit breaker and the 1-way contact circuit breaker, the reliable unmanned duty requirement is realized, the damage of an electric instrument caused by quick switching-off power transmission is avoided, and the reliable power supply operation of the instrument and equipment is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a circuit diagram of a micro-break module according to the present utility model;
FIG. 3 is a circuit diagram of an electrical interlock module according to the present utility model;
FIG. 4 is a second electrical interlock module circuit diagram of the present utility model;
FIG. 5 is a third electrical interlock module circuit diagram of the present utility model;
FIG. 6 is a circuit diagram of a PLC self-resetting module according to the present utility model;
FIG. 7 is a circuit diagram of the on/off control module according to the present utility model;
FIG. 8 is a circuit diagram of an electrical cabinet status signal module of the present utility model;
FIG. 9 is a circuit diagram of the on/off status module according to the present utility model;
FIG. 10 is a circuit diagram of an acquisition module of the present utility model;
FIG. 11 is a circuit diagram of the on/off signal of the No. 1 incoming line cabinet of the present utility model;
Fig. 12 is a circuit diagram of a 2# incoming line cabinet switching-on/off signal of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-12, the embodiment provides an automatic operation module for switching on in cooperation with a high-voltage cabinet incoming call, which comprises a 1# incoming line cabinet, a 2# incoming line cabinet and a bus-bar cabinet, wherein the bus-bar cabinet comprises a micro-switch, a PLC self-resetting module, an electrical interlocking module, a switching-on and switching-off control module, an electrical cabinet state signal module, a switching-on and switching-off state module and an acquisition module, the 1# incoming line cabinet and the 2# incoming line cabinet are connected with the micro-switch, the micro-switch is connected with the electrical interlocking module, the electrical interlocking module and the PLC self-resetting module are connected with a switching-off control module, and the switching-on and switching-off control module is connected with the electrical cabinet state signal module, the switching-on and switching-off state module and the acquisition module;
When the electric cabinet is powered on and off, the operation flows of manual switching-on, automatic switching-on and automatic switching-off are realized through the switching-on and switching-off control module, and the working states of the current wire inlet cabinet and the current bus-bar cabinet are indicated through the electric cabinet state signal module, the switching-on and switching-off state module and the acquisition module.
Principle of: the high-voltage cabinet is powered off, and when the power is on, the low-voltage side realizes the automatic operation flow of manual switching-on, automatic switching-on and automatic switching-off by the 2-way incoming line circuit breaker and 1 contact circuit breaker, and the high-voltage low-voltage switch is in time delay fit with the automatic operation.
The micro-switch comprises a UPS uninterrupted control power supply, wherein an IN end of the UPS uninterrupted control power supply is connected with an intermediate relay K and a contact K of the intermediate relay K IN the figure and connected with N wires, the contact K is connected with fuses 3FU1 and 3FU2, the fuse 3FU1 is connected with a 1L1 wire which is led from a 1# wire inlet cabinet or a 2# wire inlet cabinet, the fuse 3FU2 is connected with a 2L1 wire which is led from a 2# wire inlet cabinet or a 1# wire inlet cabinet, the fuses 3FU1 and 3FU2 are UKJ-RD-10 fuses and are used for cutting off a circuit when overload occurs to protect the circuit from damage, the relay K of the circuit is an HH54P relay, the effect of switching a circuit is realized through the relay K, for example, when the 1L1 wire is electrified, the contact K connected with the 1L1 wire is closed, when the 2L1 wire is electrified, the contact K connected with the 2L1 wire is closed, and uninterrupted input of the UPS is realized through the uninterrupted control power supply.
The electrical interlock module comprises a transfer switch SAC and switches S3, S4, wherein:
The pins 5, 6, 7, 8, 19, 20 and the switch S3 of the transfer switch SAC are arranged on a circuit connected with the 1# incoming line cabinet;
Pins 9, 10, 11, 12, 21 and 22 of the transfer switch SAC and the switch S4 are arranged on a circuit connected with the No. 2 incoming line cabinet, and the transfer switch SAC in the circuit is an LW39B-16-6 transfer switch.
The PLC self-resetting module comprises a PLC controller,
L1, 1L, 2L and 3L of the PLC are connected with a fuse 3FU3, and the fuse 3FU3 is connected with an L line;
Q00 of the PLC is connected with intermediate relay KP11, Q01 is connected with intermediate relay KP12, Q02 is connected with intermediate relay KP21, Q03 is connected with intermediate relay KP22, Q04 is connected with intermediate relay KP31, Q05 is connected with intermediate relay KP32, Q06 is connected with switch BY1, Q07 is connected with switch BY2, Q10 is connected with switch BY3 and Q11 is connected with switch BY4;
The N end of the PLC controller and the intermediate relays KP11, KP12, KP21, KP22, KP31, KP32, the switches BY1, BY2, BY3 and BY4 are connected with N lines, the PLC controller is a 6ES7214 programmable controller, the intermediate relays KP11, KP12, KP21, KP22, KP31 and KP32 are HH54P relays, the AC220V working power supply is connected through L lines and N lines, the switching-on signal of the inlet circuit breaker of the 1# inlet cabinet is output through the Q00 end, the switching-off signal of the inlet circuit breaker of the 1# inlet cabinet is output through the Q01 end, the switching-on signal of the inlet circuit breaker of the 2# inlet cabinet is output through the Q02 end, the switching-off signal of the inlet circuit breaker of the 2# inlet cabinet is output through the Q04 end, the switching-on signal of the contact circuit breaker of the main contact cabinet is output through the Q05 end, and the standby signals are output through the Q06 end, the Q07 end, the Q10 end and the Q11 end are used as standby signals.
The switching-on and switching-off control module comprises a contact 1QF of a No. 1 incoming line cabinet, a contact 2QF of a No. 2 incoming line cabinet and contacts KP31 and KP32 of a master-link cabinet PLC, wherein:
One ends of the contacts 1QF and 2QF are connected with the relay Y1, the other ends of the contacts 1QF and 2QF are connected with the miniature circuit breaker 3ZK, the modular combined electrical appliance MCH, the relay F1, the intermediate relays 3KA1 and 3KA2, the signals and other 3HR, 3HG and 3HW, and the miniature circuit breaker 3ZK is connected with the L line and the N line;
one end of each of the contacts KP31 and KP32 is connected with the 18 pin of the transfer switch SAC, the other end of each of the contacts KP31 and KP32 is connected with the button 3SC and 3SO in parallel, the button 3SC is connected with the 2 pin of the transfer switch SAC, and the button 3SO is connected with the 4 pin of the transfer switch SAC;
The 1 foot, 3 foot, 17 foot of change over switch SAC all connect miniature circuit breaker 3ZK, contact S1, S11, S21, 3KA1, contact S1 connects signal lamp 3HR, 3HG other end and connects the intermediate relay 3KA2 other end, contact S11 connects the modular combination unit MCH other end, contact S21 connects the intermediate relay 3KA1 other end, contact 3KA1 connects signal lamp 3HW other end, miniature circuit breaker 3ZK is C65N-2P-C6A type circuit breaker, button 3SC, 3SO is LA39 (B) -11 type button, intermediate relay 3KA1, 3KA2 is HH54P type relay, signal lamp 3HG, 3HR, 3HW is AD16 type signal lamp, in this circuit, miniature circuit breaker 3ZK plays the effect of protection switch, realize electronic energy storage through modular combination unit, and regard contact S2 as the energy storage instruction, regard as manual switching on and off, realize automatic switching on and off as signal lamp 3HG 3 as the switching on and off indication signal lamp 3.
The electric cabinet state signal module comprises a PLC controller,
L+ port contact points 1KV1, 1KV2, 1KA1, 1KA3, S3, 2KV1, 2KV2, 2KA1, 2KA3, 3KA1 and BY of the PLC are connected in parallel with 14, 16 and 24 pins of a transfer switch SAC;
The I00 end of the PLC is connected with the other end of the contact 1KV1 and the other end of the contact 1KV 2;
the other end of the contact 1KA1 is connected with the I01 end of the PLC controller, and the other end of the contact 1KA 3;
the I03 and I15 end of the PLC are connected with the other end of the contact S3;
the I04 end of the PLC is connected with the other end of the contact 2KV1 and the other end of the contact 2KV 2;
The other end of the I05 termination contact 2KA1, the other end of the I06 termination contact 2KA3, the other end of the I13 termination contact 3KA1 and the other end of the I14 termination contact BY of the PLC controller.
The method comprises the steps that L+ of a PLC controller is connected with a DC24V working power supply, an I00 end is connected with a voltage signal of a 1# incoming cabinet, an I01 end is connected with an energy storage signal of the 1# incoming cabinet, an I02 end is connected with a fault signal of the 1# incoming cabinet, an I03 end is connected with a switching-on signal of the 1# incoming cabinet, an I04 end is connected with a voltage signal of a 2# incoming cabinet, an I05 end is connected with an energy storage signal of the 2# incoming cabinet, an I06 end is connected with a fault signal of the 2# incoming cabinet, an I07 end is connected with a switching-on signal of the 1# incoming cabinet, an I10 end is connected with a self-recovery signal of the master-link cabinet, an I11 end is connected with a non-self-recovery signal of the master-link cabinet, an I12 end is connected with a remote control signal of the master-link cabinet, an I13 end is used as a standby end of the master-link cabinet, and an I15 end is connected with a switching-on signal of the master-link cabinet.
The switching-on and switching-off state module comprises a PMC controller, wherein the DI1 end contact 3KA2, the DI2 end contact QF, the DI3 end contact 3KA2 and the DI4 end contact switch YL1 of the PMC controller are connected with the DIC end of the PMC controller, and when the contacts 3KA1, 3KA2, QF and the switch YL1 act, working state signals of the current two wire inlet cabinets and the bus-bar cabinet are input to the PMC controller through corresponding ports, wherein: the contact 3KA2 inputs the on-off operation state signal through the DI1 and DI3 terminals, the contact QF inputs the fault state signal through the DI2 terminal, the switch YLC is used as a standby, and the PMC controller communicates outwards through the D+, D-and SH ports.
The acquisition module comprises a PMC controller,
The I11 end of the PMC controller is connected with a current transformer LHa, and the other end of the current transformer LHa is connected with the I12 end of the PMC controller in parallel with the PE end;
The I21 end of the PMC controller is connected with the current transformer LHb, the other end of the current transformer LHb is connected with the I22 end of the PMC controller in parallel with the PE end;
the I31 end of the PMC controller is connected with the current transformer LHc, the other end of the current transformer LHc is connected with the I32 end of the PMC controller in parallel with the PE end;
The PMC controller has V1 terminal with fuse FU1, V2 terminal with fuse FU2, V3 terminal with fuse FU3, L+ terminal with fuse FU4, VN and N-terminal with N line.
The current transformer LHa, LHb, LHc is a BH type current transformer, in this circuit, the current transformer LHa, LHb, LHc and the corresponding PMC controller port constitute a current acquisition loop, and the fuses FU1, FU2, FU3 and the corresponding PMC controller port constitute a voltage acquisition loop.
The 1# incoming line cabinet and the 2# incoming line cabinet are respectively provided with a signal circuit for indicating the on-off state of the circuit breaker, wherein the signal circuits of the 1# incoming line cabinet are contacts KP11 and KP12, the contacts KP11 and KP12 are arranged on a circuit connected with the 1# incoming line cabinet, the signal circuits of the 2# incoming line cabinet are contacts KP21 and KP22, and the contacts KP21 and KP22 are arranged on a circuit connected with the 2# incoming line cabinet.
The operation table of the switching switch SAC in this embodiment is as follows.
The operating logic of this embodiment in use is divided into the following cases:
1. In the case of no self-switching and in the case of all three circuit breakers being separated:
1.1 if the 1# incoming line cabinet and the 2# incoming line cabinet are powered on, the 1# incoming line cabinet and the 2# incoming line cabinet are combined;
1.2 if the 1# incoming line cabinet is powered by the 2# incoming line cabinet, the 1# incoming line cabinet and the bus-bar cabinet are combined;
1.3 if the 2# incoming line cabinet is powered by the 1# incoming line cabinet, the 2# incoming line cabinet and the bus-bar cabinet are combined;
2. Under the condition of no self-resetting of self-casting:
2.1 If the 1# incoming line cabinet is powered down when the 2# incoming line cabinet is powered down, the female combined cabinet is combined;
2.2 If the 2# incoming line cabinet is powered down when the 1# incoming line cabinet and the 2# incoming line cabinet are powered down, the female combined cabinet is combined;
3. inlet wire and female allies oneself with:
3.1 The 2# incoming line cabinet and the bus-bar cabinet are closed (the 2# incoming line cabinet is electrified and the 1# incoming line cabinet is not electrified), and the 1# incoming line cabinet does not do any action when in incoming call;
3.2 The 1# incoming line cabinet and the bus-bar cabinet are closed (the 1# incoming line cabinet is powered on, the 2# incoming line cabinet is powered off), and the 2# incoming line cabinet does not do any action when powered on;
3.3 The method comprises the steps that a 2# incoming line cabinet and a female line cabinet are closed (the 2# incoming line cabinet is powered on, the 1# incoming line cabinet is powered off), when the 1# incoming line cabinet is powered on and the 2# incoming line cabinet is powered off, the female line cabinet is disconnected, the 1# incoming line cabinet is closed, and the female line cabinet is closed;
3.4 The method comprises the steps that a 1# incoming line cabinet and a female line cabinet are closed (the 1# incoming line cabinet is powered on, the 2# incoming line cabinet is powered off), when the 2# incoming line cabinet is powered on and the 1# incoming line cabinet is powered off, the female line cabinet is disconnected, the 2# incoming line cabinet is closed, and the female line cabinet is closed;
4. 2, the master-slave linkage of the incoming line 1 is realized by the PLC:
(1) The 3 switches can only be switched on 2 at the same time, ①, and the output of the 10 KV/0.4 KV transformer is prevented from being connected in parallel; ② When the potential difference exists at the output of the 2-path transformer; ③ And the accident caused by the phase sequence error of the 2-way transformer is prevented.
(2) Self-casting and self-resetting:
After the 1# incoming line switch (incoming line AC 380V) is powered off, the 3# bus-connected switch automatically switches on, after the voltage of the 1# incoming line switch (incoming line AC 380V) is recovered, the 3# bus-connected cabinet is powered off Guan Zifu, the 1# incoming line switch automatically switches on,
When the PLC is in a self-switching and self-resetting state, the input lamps 1, 3, 5, 7, 10 and 13 are turned on;
when the PLC is in the state that a 1# incoming line switch is powered off, the input 0, 5, 7, 10 and 13 lamps are turned on; the lamps 1 and 3 are turned off, the instantaneous output 1 acts, the delay 4S, the output 4 acts and the lamps 13 and 15 are turned on;
when the PLC is in the 1# incoming line switch for power restoration, the input 1, 3, 5, 7, 10 and 13 lamps are on, the 0 lamp is off, and the instantaneous output 5 acts, namely the delay 4S acts and the output 0 acts.
Also: after the 2# incoming line switch (incoming line AC 380V) is powered off, the 3# bus-connected switch is automatically switched on, after the voltage of the 2# incoming line switch (incoming line AC 380V) is recovered, the 3# bus-connected switch is automatically reset (powered off), wherein,
When the PLC is in a self-switching and self-resetting state, the input lamps 1, 3, 5, 7, 10 and 13 are turned on;
When the PLC is in the state that a 2# incoming line switch is powered off, the input 1, 3, 4, 10 and 13 lamps are turned on; and 5, 7 lights are turned off, the instantaneous output 3 acts, the delay 4S, the output acts, and the inputs 13, 15 lights are turned on;
when the PLC is in 2# incoming line switch and is powered on again, the input 1, 3, 5, 7, 10 and 13 lamps are on, the 4 lamps are off, the instantaneous output 5 acts, the input 15 lamps are off, the delay is 4S, and the output 2 lamps are on.
(3) Repeating from the hand throwing:
After the 1# incoming line switch (incoming line AC 380V) is powered off, the 3# bus switch is automatically switched on, after the voltage of the 1# incoming line switch (incoming line AC 380V) is recovered, the 3# bus can be manually disconnected, and then the 1# incoming line switch is manually closed,
When the PLC is in a self-commissioning and resetting state, the input lamps 1, 3, 5, 7, 10 and 13 of the PLC are turned on;
when the PLC is in the state that a 1# incoming line switch is powered off, the input 0, 5, 7, 10 and 13 lamps are turned on; the lamps 1 and 3 are turned off, the instantaneous output 1 acts, the delay 4S, the output 4 acts and the lamps 13 and 15 are turned on;
When the PLC is in the 1# incoming line switch and is powered back, the PLC does not execute any action, and the 3# bus-bar switch is required to be manually disconnected, and then the 1# incoming line switch is manually closed.
Also: after the 2# incoming line switch (incoming line AC 380V) is powered off, the 3# bus switch is automatically switched on, after the voltage of the 2# incoming line switch (incoming line AC 380V) is recovered, the 3# bus can be manually disconnected, and then the 2# incoming line switch is manually closed, wherein,
When the PLC is in a self-switching and self-resetting state, the input lamps 1, 3, 5, 7, 10 and 13 are turned on;
When the PLC is in the state that a 2# incoming line switch is powered off, the input 1, 3, 4, 10 and 13 lamps are turned on; and 5, 7 lights are turned off, the instantaneous output 3 acts, the delay 4S, the output acts, and the inputs 13, 15 lights are turned on;
When the PLC is in the 2# incoming line switch and is powered back, the PLC does not execute any action, and the 3# bus-bar switch is required to be manually disconnected, and then the 2# incoming line switch is manually closed.
(4) Manual:
when the PLC is in a manual state, the input 1, 3, 5, 7 and 13 lamps are lighted.
(5) Remote control:
When the PLC is in a remote control state, the lamps of inputs 1, 3, 5, 7, 12 and 13 are on, and 0, 1, 2, 3, 4 and 5 driving actions can be output through the remote control actions of the PLC.
According to the embodiment, manual, automatic switching and automatic resetting operation can be realized through the 2-way incoming line circuit breaker and the 1-way communication circuit breaker, the reliable unmanned on duty requirement is realized, the damage to an electric instrument caused by quick switching and power transmission is avoided, and the reliable power supply operation of instrument equipment is ensured.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (9)

1. An automatic operation module for switching on by matching with the incoming call of a high-voltage cabinet is characterized in that: the intelligent automatic control system comprises two incoming line cabinets and a bus-bar cabinet, wherein the bus-bar cabinet comprises a micro-switch, a PLC self-recovery module, an electric interlocking module, a switching-on and switching-off control module, an electric cabinet state signal module, a switching-on and switching-off state module and an acquisition module, the two incoming line cabinets are connected with the micro-switch, the micro-switch is connected with the electric interlocking module, the electric interlocking module and the PLC self-recovery module are connected with the switching-on and switching-off control module, and the switching-on and switching-off control module is connected with the electric cabinet state signal module, the switching-on and switching-off state module and the acquisition module;
When the electric cabinet is powered on or off, the operation flows of manual switching-on, automatic switching-on and automatic switching-off are realized through the switching-on and switching-off control module, and the current working states of the wire inlet cabinet and the bus-bar cabinet are indicated through the electric cabinet state signal module, the switching-on and switching-off state module and the acquisition module.
2. The automatic operation module for switching on in cooperation with an incoming call of a high-voltage cabinet according to claim 1, wherein: the micro-switch comprises a UPS uninterrupted control power supply, wherein the input end of the UPS uninterrupted control power supply is connected with an intermediate relay K and a contact K of the intermediate relay K and connected with N wires in parallel, the contact K is connected with fuses 3FU1 and 3FU2, the fuse 3FU1 is connected with 1L1 wire led from one wire inlet cabinet, and the fuse 3FU2 is connected with 2L1 wire led from the other wire inlet cabinet.
3. The automatic operation module for switching on in cooperation with an incoming call of a high-voltage cabinet according to claim 1, wherein: the electrical interlock module comprises a transfer switch SAC and switches S3, S4, wherein:
The pins 5, 6, 7, 8, 19 and 20 of the transfer switch SAC and the switch S3 are arranged on a circuit connected with a wire inlet cabinet;
pins 9, 10, 11, 12, 21, 22 of the transfer switch SAC and the switch S4 are arranged on a circuit connected with the other incoming line cabinet.
4. The automatic operation module for switching on in cooperation with an incoming call of a high-voltage cabinet according to claim 1, wherein: the PLC self-resetting module comprises a PLC controller,
L1, 1L, 2L and 3L of the PLC are connected with a fuse 3FU3, and the fuse 3FU3 is connected with an L line;
The Q00 terminal of the PLC controller is connected with the intermediate relay KP11, the Q01 terminal of the PLC controller is connected with the intermediate relay KP12, the Q02 terminal of the PLC controller is connected with the intermediate relay KP21, the Q03 terminal of the PLC controller is connected with the intermediate relay KP22, the Q04 terminal of the PLC controller is connected with the intermediate relay KP31, the Q05 terminal of the PLC controller is connected with the intermediate relay KP32, the Q06 terminal of the PLC controller is connected with the switch BY1, the Q07 terminal of the PLC controller is connected with the switch BY2, the Q10 terminal of the PLC controller is connected with the switch BY3 and the Q11 terminal of the PLC controller;
The N end of the PLC and the intermediate relays KP11, KP12, KP21, KP22, KP31, KP32, switches BY1, BY2, BY3 and BY4 are connected with N lines.
5. The automatic operation module for switching on in cooperation with an incoming call of a high-voltage board according to claim 3, wherein: the switching-on and switching-off control module comprises contacts 1QF and 2QF leading from two incoming line cabinets and contacts KP31 and KP32 leading from the bus-tie cabinet PLC, wherein:
One ends of the contacts 1QF and 2QF are connected with a relay Y1, the other ends of the contacts 1QF and 2QF are connected with a miniature circuit breaker 3ZK, a modular combined electrical appliance MCH, a relay F1, intermediate relays 3KA1 and 3KA2 and signal lamps 3HR, 3HG and 3HW, and the miniature circuit breaker 3ZK is connected with an L line and an N line;
one ends of the contacts KP31 and KP32 are connected with the 18 pin of the transfer switch SAC, the other ends of the contacts KP31 and KP32 are connected with the button 3SC and the button 3SO in parallel, the button 3SC is connected with the 2 pin of the transfer switch SAC, and the button 3SO is connected with the 4 pin of the transfer switch SAC;
The 1 foot, 3 foot, 17 foot of change over switch SAC all connect miniature circuit breaker 3ZK, contact S1, S11, S21, 3KA1, contact S1 connects signal lamp 3HR, 3HG other end connects the intermediate relay 3KA2 other end in parallel, contact S11 connects the modular combination electrical apparatus MCH other end, contact S21 connects the intermediate relay 3KA1 other end, contact 3KA1 connects the signal lamp 3HW other end.
6. The automatic operation module for switching on in cooperation with an incoming call of a high-voltage board according to claim 3, wherein: the electric cabinet state signal module comprises the PLC controller,
L+ port contact points 1KV1, 1KV2, 1KA1, 1KA3, S3, 2KV1, 2KV2, 2KA1, 2KA3, 3KA1 and BY of the PLC are connected in parallel with 14, 16 and 24 pins of the transfer switch SAC;
The I00 end of the PLC is connected with the other end of the contact 1KV1 and the other end of the contact 1KV 2;
The I01 end of the PLC is connected with the other end of the contact 1KA1 and the other end of the contact 1KA 3;
The I03 and I15 of the PLC are connected with the other end of the contact S3;
The I04 end of the PLC is connected with the other end of the contact 2KV1 and the other end of the contact 2KV 2;
and an I05 end of the PLC is connected with the other end of the contact 2KA1, an I06 end of the PLC is connected with the other end of the contact 2KA3, an I13 end of the PLC is connected with the other end of the contact 3KA1, and an I14 end of the PLC is connected with the other end of the contact BY.
7. The automatic operation module for switching on in cooperation with an incoming call of a high-voltage cabinet according to claim 1, wherein: the on-off state module comprises a PMC controller, wherein the DI1 end contact 3KA2, the DI2 end contact QF and the DI3 end contact 3KA2 and the DI4 end contact switch YL1 of the PMC controller, and the contacts 3KA1, 3KA2, QF and the switch YL1 are connected with the DIC end of the PMC controller.
8. The automatic operation module for switching on in cooperation with an incoming call of a high-voltage board according to claim 7, wherein: the acquisition module includes the PMC controller,
An I11 end of the PMC controller is connected with a current transformer LHa, and the other end of the current transformer LHa is connected with an I12 end of the PMC controller in parallel connection with a PE end;
An I21 end of the PMC controller is connected with a current transformer LHb, and the other end of the current transformer LHb is connected with an I22 end of the PMC controller in parallel with a PE end;
an I31 end of the PMC controller is connected with a current transformer LHc, and the other end of the current transformer LHc is connected with an I32 end of the PMC controller in parallel with a PE end;
The PMC controller has V1 end connected to the fuse FU1, V2 end connected to the fuse FU2, V3 end connected to the fuse FU3, L+ end connected to the fuse FU4, VN and N-end connected to the N line.
9. The automatic operation module for switching on in cooperation with an incoming call of a high-voltage cabinet according to claim 1, wherein: and the two incoming line cabinets are provided with signal circuits for indicating the on-off state of the circuit breaker.
CN202323392402.4U 2023-12-12 2023-12-12 Automatic operation module for switching on by matching with incoming call of high-voltage cabinet Active CN221467071U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323392402.4U CN221467071U (en) 2023-12-12 2023-12-12 Automatic operation module for switching on by matching with incoming call of high-voltage cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323392402.4U CN221467071U (en) 2023-12-12 2023-12-12 Automatic operation module for switching on by matching with incoming call of high-voltage cabinet

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CN221467071U true CN221467071U (en) 2024-08-02

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