CN204331367U - A kind of programmable type Multi-Switch electric interlocking installation - Google Patents
A kind of programmable type Multi-Switch electric interlocking installation Download PDFInfo
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- CN204331367U CN204331367U CN201420803918.5U CN201420803918U CN204331367U CN 204331367 U CN204331367 U CN 204331367U CN 201420803918 U CN201420803918 U CN 201420803918U CN 204331367 U CN204331367 U CN 204331367U
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Abstract
A kind of programmable type Multi-Switch electric interlocking installation.It comprises microprocessor, multiple relay, button, display screen and input/output port; Microprocessor input is connected with the node of often opening of multiple switch respectively, and output terminal is connected with multiple relay respectively; Button K is connected with microprocessor; Display screen is connected with microprocessor; Microprocessor is connected with multiple switch by input/output port; The input control end of multiple relay is connected with the closing coil of multiple switch respectively.The utility model can realize the electric interlock of any logic between two or more switch, if scene needs to change interlock logic, can pass through programming mode quick solution.The utility model can provide reliable crosslinking lock scheme for the Multi-Switch application places that originally cannot realize electric interlock, thus can ensure the safe operation of electric power system.
Description
Technical field
The utility model belongs to automatic power switching device shifter, power transmission and distribution technical field, particularly relates to a kind of programmable type Multi-Switch electric interlocking installation.
Background technology
Automatic transfer switching electric appliance is the important component part of distribution system, and the input port of general automatic transfer switching electric appliance connects two-way or the multiple power supplies of electric power system, automatically switches between multiple power supplies, the continuity of powering with proof load.
Whenever the automatic transfer switching electric appliance working in non-parallel connection all only allows a closed road power supply, if there is the power supply on a more than road to connect simultaneously, will form very large circulation, result causes major accident.For security consideration, in automatic transfer switching electric appliance, the closed control loop of every platform switch all should possess electric interlocking installation.Namely, after a switch is closed, even if controller sends the order of other switch closed, electric interlocking installation also can cut off closure signal, makes it to close.
Fig. 1 is the traditional control method schematic diagram of automatic transfer switching electric appliance.As shown in Figure 1, controller is connected by control line with the switch in automatic transfer switching electric appliance, and the conjunction of the direct switch of controller divides.
Fig. 2 is the electric interlock schematic diagram of two switches in prior art.As shown in Figure 2, the microprocessor M in controller, by the closing coil XF1 of relay J 1 turn on-switch S1, makes switch S 1 close; By the closing coil XF2 of relay J 2 turn on-switch S2, switch S 2 is closed, and what sealed in switch S 2 in switch S 1 closed-loop path often opens node S2OF, only has the S2OF node when switch S 2 disjunction just to close, now could Closing Switch S1; In like manner only having when switch S 1 disjunction could Closing Switch S2; Whenever switch S 1, S2 can not close simultaneously, so just achieve electric interlock function.
Fig. 3 is three lock two electric interlock schematic diagrams of three switches in prior art, and as shown in Figure 3, three switches can only close two simultaneously.
As shown in Figure 2 and Figure 3, two switch interlock need the node OF used on switch, and three interlockings need to use two node OF, if so number of switches be increased to five even more time, so many node O F just can not be provided to be used as interlocking.Even if there is so multinode OF but the wiring quantity of switch room can be very many, result causes operational reliability to reduce.If want to change three lock two interlockings into three lock one interlockings, need road of relocating, but on-the-spot once construct, and it is very difficult for relocating.So need one scheme more flexibly in automatic transfer switching electric appliance field, to meet day by day complicated electric interlock demand.
Summary of the invention
In order to solve the problem, the purpose of this utility model is to provide a kind of programmable type Multi-Switch electric interlocking installation.
In order to achieve the above object, the programmable type Multi-Switch electric interlocking installation that the utility model provides comprises: microprocessor C, multiple relay J 1-JN, button K, display screen LCD and input/output port I/O; Wherein: microprocessor C is the control core of this device, its input end is connected with the node S1OF-SNOF that often opens of multiple switch S 1-SN respectively, and output terminal is connected with multiple relay J 1-JN respectively; Button K is input keyboard, and it is connected with microprocessor C; Display screen LCD is display module, and it is connected with microprocessor C; Input/output port I/O is external interface circuit, and microprocessor C is connected with multiple switch S 1-SN by input/output port I/O; The input control end of multiple relay J 1-JN is connected with the closing coil XF1-XFN of multiple switch S 1-SN respectively.
The model of described microprocessor C is PIC24FJ256GA110.
The programmable type Multi-Switch electric interlocking installation that the utility model provides can realize the electric interlock of any logic between two or more switch, if scene needs to change interlock logic, can pass through programming mode quick solution.The utility model can provide reliable crosslinking lock scheme for the Multi-Switch application places that originally cannot realize electric interlock, thus can ensure the safe operation of electric power system.
Accompanying drawing explanation
Fig. 1 is the traditional control method schematic diagram of automatic transfer switching electric appliance.
Fig. 2 is the electric interlock schematic diagram of two switches in prior art.
Fig. 3 is three lock two electric interlock schematic diagrams of three switches in prior art.
The programmable type Multi-Switch electric interlocking installation annexation schematic diagram that Fig. 4 provides for the utility model.
The programmable type Multi-Switch electric interlocking installation schematic diagram that Fig. 5 provides for the utility model.
The guidance panel schematic diagram of the programmable type Multi-Switch electric interlocking installation that Fig. 6 provides for the utility model
The one road feedback circuit figure of the programmable type Multi-Switch electric interlock dress B that Fig. 7 provides for the utility model.
One road control loop circuit diagram of the programmable type Multi-Switch electric interlocking installation that Fig. 8 provides for the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the programmable type Multi-Switch electric interlocking installation that the utility model provides is described in detail.
As shown in Figure 4, the programmable type Multi-Switch electric interlocking installation B that the utility model provides is connected between controller M and multiple switch S, namely programmable type Multi-Switch electric interlocking installation B is placed in the control loop between controller M and switch S, can be realized the electric interlock of various logic between two switches, three switches and Multi-Switch by the work of programmable type Multi-Switch electric interlocking installation B.
The programmable type Multi-Switch electric interlocking installation schematic diagram that Fig. 5 provides for the utility model; Now be described for five switch interlock, the switch S namely in Fig. 4 is made up of five switch S 1-S5; As shown in Figure 5, the programmable type Multi-Switch electric interlocking installation B that the utility model provides comprises: microprocessor C, multiple relay J 1-J5, button K, display screen LCD and input/output port I/O; Wherein: microprocessor C is the control core of this device, its input end is connected with the node S1OF-S5OF that often opens of multiple switch S 1-S5 respectively, and output terminal is connected with multiple relay J 1-J5 respectively; Button K is input keyboard, and it is connected with microprocessor C; Display screen LCD is display module, and it is connected with microprocessor C; Input/output port I/O is external interface circuit, and microprocessor C is connected with multiple switch S 1-S5 by input/output port I/O; The input control end of multiple relay J 1-J5 is connected with the closing coil XF1-XF5 of multiple switch S 1-S5 respectively.
The model of described microprocessor C is PIC24FJ256GA110.
The principle of work of the programmable type Multi-Switch electric interlocking installation B now provided by the utility model is described below: the closure signal being exported to switch S 1-S5 by controller M is transferred to by input/output port I/O on multiple relay J 1-J5 of programmable type Multi-Switch electric interlocking installation B, during such relay closes, switch closure signals can arrive switch closing coil, and when relay is opened, closure signal is cut off; User to programme required interlock method by button K and display screen LCD; Microprocessor C monitors the position feed back signal S1OF-S5OF of five switch S 1-S5, and presses the disjunction of the multiple relay J 1-J5 of logic control programmed; Such as electricity consumption scene needs five switches and the operating mode that only permission 3 is simultaneously closed, programmable type Multi-Switch electric interlocking installation B is once detect have three switches to close, as switch S 1, S2, S3 closes, by disjunction relay J at once 4, J5, with the closure signal loop of roof-cut resistence S4, S5, reach the object of electric interlock.
The guidance panel schematic diagram of the programmable type Multi-Switch electric interlocking installation that Fig. 6 provides for the utility model.As shown in Figure 6, upper terminal can receive the closure signal that five path control deivce M send, and lower terminal is connected to the closing coil of five switches; Middle part is display screen LCD, can show the on off operating mode of programming menu and interlock circuit.Display screen LCD bottom is five buttons, for menu operation and program editing; Represent in Fig. 6 and have selected three-way switch S1, S2, S3 are as interlock circuit, interlock method elects one-out-three as, whenever such three switches all can only close one, even if controller M lost efficacy have issued the close commands of second switch, can not close second switch.
The one road feedback circuit figure of the programmable type Multi-Switch electric interlock dress B that Fig. 7 provides for the utility model.As shown in Figure 7, node is often opened as feedback contact S1OF for one that employs switch S 1; Often open node S1OF disconnect as: switch S 1 disconnects, 24V direct current does not flow through optocoupler O1, so the IO end of microprocessor C receives is high level, represents that switch S 1 is not closed; Often open node S1OF after switch S 1 is closed to close, optocoupler O1 conducting, the IO end of microprocessor C becomes low level from high level, represents that switch S 1 closes.
One road control loop circuit diagram of the programmable type Multi-Switch electric interlocking installation that Fig. 8 provides for the utility model.As shown in Figure 8, relay J 1 often open the closure signal loop that node seals in switch S 1, microprocessor C holds pilot relay J1 to close by its IO, and so closure signal just can arrive the closing coil XF1 of switch S 1, otherwise closure signal can not arrive closing coil XF1.
Claims (2)
1. a programmable type Multi-Switch electric interlocking installation, is characterized in that: described programmable type Multi-Switch electric interlocking installation comprises: microprocessor C, multiple relay J 1-JN, button K, display screen LCD and input/output port I/O; Wherein: microprocessor C is the control core of this device, its input end is connected with the node S1OF-SNOF that often opens of multiple switch S 1-SN respectively, and output terminal is connected with multiple relay J 1-JN respectively; Button K is input keyboard, and it is connected with microprocessor C; Display screen LCD is display module, and it is connected with microprocessor C; Input/output port I/O is external interface circuit, and microprocessor C is connected with multiple switch S 1-SN by input/output port I/O; The input control end of multiple relay J 1-JN is connected with the closing coil XF1-XFN of multiple switch S 1-SN respectively.
2. programmable type Multi-Switch electric interlocking installation according to claim 1, is characterized in that: the model of described microprocessor C is PIC24FJ256GA110.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420803918.5U CN204331367U (en) | 2014-12-17 | 2014-12-17 | A kind of programmable type Multi-Switch electric interlocking installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420803918.5U CN204331367U (en) | 2014-12-17 | 2014-12-17 | A kind of programmable type Multi-Switch electric interlocking installation |
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| CN204331367U true CN204331367U (en) | 2015-05-13 |
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| CN201420803918.5U Active CN204331367U (en) | 2014-12-17 | 2014-12-17 | A kind of programmable type Multi-Switch electric interlocking installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI783671B (en) * | 2021-09-07 | 2022-11-11 | 歐俈力科技有限公司 | Multi-control switch device and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI783671B (en) * | 2021-09-07 | 2022-11-11 | 歐俈力科技有限公司 | Multi-control switch device and control method thereof |
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