CN203788041U - Embedded miniature dual supply change-over switch controller - Google Patents
Embedded miniature dual supply change-over switch controller Download PDFInfo
- Publication number
- CN203788041U CN203788041U CN201420077674.7U CN201420077674U CN203788041U CN 203788041 U CN203788041 U CN 203788041U CN 201420077674 U CN201420077674 U CN 201420077674U CN 203788041 U CN203788041 U CN 203788041U
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- China
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- switch
- power supply
- chip microcomputer
- control
- rectifier
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Abstract
The utility model discloses an embedded miniature dual supply change-over switch controller. The embedded miniature dual supply change-over switch controller comprises a current limiter, a rectifier, an optoelectronic coupler, a one-chip microcomputer, a bidirectional silicon controlled rectifier, an electric operating mechanism, a locking switch, a control switch and a power switching circuit. The embedded miniature dual supply change-over switch controller can detect the voltage across each phase of two power supplies and carry out switching control to a dual supply switch, and the working voltage range of the embedded miniature dual supply change-over switch controller is wide, and the embedded miniature dual supply change-over switch controller can shield voltage fluctuation and voltage dip, through the control switch, an automatic charge and automatic recovery switching mode and a mutually-standby switching mode can be selected, local automatic control and remote control can be selected; and through the locking switch, automatic control switching and hand-operated switching are selected.
Description
Technical field
The utility model relates to a kind of dual-power transfer switch control technology, relates in particular to a kind of circuit structure of dual-power transfer switch controller.
Background technology
Along with expanding economy, power consumer is more and more higher to the requirement of the quality of power supply and continuous power supply, in some important electricity consumption departments, is to ensure power supply sustainability, often adopts duplicate supply automatically to change switch.Duplicate supply changes switch automatically, is a kind of taking MCU as control core, taking electromechanical interlock mechanism as executive component, and the electric power switch unit using breaker of plastic casing or on-load switch as switch element.Duplicate supply automatically changes the important place that switch is widely used in skyscraper, community, bank, hospital, airport, harbour, metallurgy, chemical industry, weaving, fire-fighting, military affairs etc. and does not allow power failure.
Summary of the invention
The purpose of this utility model is to provide a kind of embedded micro dual-power transfer switch controller, pass through circuit design, make the controller function of dual-power transfer switch perfect, safe and reliable, operating voltage range is wide, convenient operating maintenance, structure are small, can be embedded in dual-power transfer switch body.
The utility model is achieved like this.A kind of embedded micro dual-power transfer switch controller, comprise flow restricter, rectifier, photoelectrical coupler, single-chip microcomputer, drive circuit, bidirectional triode thyristor, motor-operating mechanism, anchor switch, control switch and working power change-over circuit, the input that it is characterized in that single-chip microcomputer connects 6 by flow restricter, the input circuit of rectifier and photoelectrical coupler composition, its connected mode is that single-chip microcomputer connects photoelectrical coupler, photoelectrical coupler connects rectifier, rectifier connects flow restricter, flow restricter leaves the port connecing to power supply, article 3, input circuit is used for connecting conventional power supply, article 3, input circuit is used for connecting stand-by power supply, on single-chip microcomputer, be connected with control switch, on single-chip microcomputer output, also connect the output circuit of 2 route drive circuits, bidirectional triode thyristor composition, its connected mode is that single-chip microcomputer connects drive circuit, and drive circuit connects bidirectional triode thyristor, and bidirectional triode thyristor connects motor-operating mechanism, working power change-over circuit comprises direct current relay, rectifier diode, voltage stabilizing didoe, resistance, electric capacity and anchor switch, its connected mode is a resistance and a Capacitance parallel connection, one end in parallel is connected to conventional power supply A phase, the other end is connected to the positive pole of a diode and the negative pole of voltage stabilizing didoe, and the positive pole of voltage stabilizing didoe is connected to conventional power supply N line, the coil of direct current relay and an electrochemical capacitor parallel connection, the positive pole of electrochemical capacitor is connected with the negative pole of diode, and the negative pole of electrochemical capacitor is connected to conventional power supply N line, one end of a dynamic circuit connector switch of direct current relay is connected to conventional power supply A phase, and the other end is connected to one end of a quiet combination switch and one end of anchor switch of direct current relay, and the other end of quiet combination switch is connected to the A phase of stand-by power supply, one end of the another one dynamic circuit connector switch of direct current relay is connected to conventional power supply N line, and the other end is connected to one end of the quiet combination switch of another one and the common port of single-chip microcomputer of direct current relay, and the other end of quiet combination switch is connected to the N line of stand-by power supply, another resistance and a Capacitance parallel connection, one end in parallel is connected to the other end of anchor switch, the other end in parallel is connected to the positive pole of another diode and the negative pole of voltage stabilizing didoe, and the negative pole of diode is connected to the positive pole of another electrochemical capacitor and the power positive end of single-chip microcomputer, the positive pole of voltage stabilizing didoe and the negative pole of electrochemical capacitor are connected to the common port of single-chip microcomputer.
Described control switch comprise haul oneself willingly into runback and conversion regime selector switch for subsequent use, the local control switch, the long-range conventional power supply that close with Long-distance Control selector switch, long-range conventional power supply controlled closes the control switch that the control switchs of two points and stand-by power supply close.
Described embedded micro dual-power transfer switch controller, utilizes the simple and easy stabilized voltage power supply of wide voltage stabilized range, converts direct current relay to volume little, the AC relay that operating voltage range is wide.By this relay, the automatic working power of selecting from two-way power supply for motor-operating mechanism and described embedded micro dual-power transfer switch controller.Utilize photoelectrical coupler, each phase voltage to two-way power supply is isolated sampling, converts corresponding digital quantity to by single-chip microcomputer, and carries out hysteresis, differential comparison with under voltage and the overvoltage threshold values set, control motor-operating mechanism, change by predefined conversion regime.For reducing operating current and the physical dimension of described dual-power transfer switch controller, expand the operating voltage range of described dual-power transfer switch controller, the driving of motor-operating mechanism realizes with bidirectional triode thyristor.By anchor switch, the working power of connection and disjunction motor-operating mechanism and dual-power transfer switch controller, avoids conflicting between manual operation and automatic operation.
Technique effect of the present utility model is: can detect each phase voltage of two-way power supply, twin-power switch is carried out to switching controls, and can fluctuate and voltage dip by mask voltage; By control switch, realize and haul oneself willingly into runback switching mode and switching mode selection for subsequent use each other, realize local automatically control and Long-distance Control selection; Realize automatic control switching and manual switchover by anchor switch.Its physical dimension is small, perfect in shape and function, and safety, reliable, can be embedded in dual-power transfer switch body, makes dual-power transfer switch compact conformation, installs that wiring is simple, simple to operate, safety, convenience.
Brief description of the drawings
Fig. 1 and Fig. 2 are schematic diagram of the present utility model.
In Fig. 11, flow restricter 2, rectifier 3, photoelectrical coupler 4, single-chip microcomputer 5, drive circuit 6, motor-operating mechanism 7, bidirectional triode thyristor S1, haul oneself willingly into runback and conversion regime selector switch S2 for subsequent use, the local control switch S5 that the control switch S4, the long-range conventional power supply that close with Long-distance Control selector switch S3, long-range conventional power supply close two points, the control switch that stand-by power supply closes controlled.
C1, electric capacity R1, resistance D1, diode D2, voltage stabilizing didoe C2, electrochemical capacitor J, direct current relay S, anchor switch C3, electric capacity R2, resistance D3, diode D4, voltage stabilizing didoe C4, electrochemical capacitor in Fig. 2.
Embodiment
As shown in Figure 1, a kind of embedded micro dual-power transfer switch controller, comprise flow restricter 1, rectifier 2, photoelectrical coupler 3, single-chip microcomputer 4, drive circuit 5, motor-operating mechanism 6, bidirectional triode thyristor 7, the input that it is characterized in that single-chip microcomputer connects 6 by flow restricter 1, the input circuit that rectifier 2 and photoelectrical coupler 3 form, its connected mode is that single-chip microcomputer 4 connects photoelectrical coupler 3, photoelectrical coupler 3 connects rectifier 2, rectifier 2 connects flow restricter 1, flow restricter 1 stays and connects to power supply, article 3, input circuit is used for connecting conventional power supply, article 3, input circuit is used for connecting stand-by power supply, on single-chip microcomputer 4, be connected with control switch, on single-chip microcomputer 4 outputs, also connect the output circuit that 2 route drive circuits 5, bidirectional triode thyristor 7 form, its connected mode is that single-chip microcomputer 4 connects drive circuit 5, and drive circuit 5 connects bidirectional triode thyristor 7, and bidirectional triode thyristor 7 connects motor-operating mechanism 6.
If control with Long-distance Control selector switch S2 and select local control by this locality, by flow restricter 1, rectifier 2 and photoelectrical coupler 3,6 phase supply voltages are isolated to sampling, convert corresponding digital quantity to by single-chip microcomputer 4, carry out hysteresis, differential comparison with under voltage and the overvoltage threshold values set, judge that whether two-way power supply is normal, according to the folding situation of hauling oneself willingly into runback and conversion regime selector switch S1 for subsequent use, trigger bidirectional triode thyristor 7, control motor-operating mechanism 6 and move, complete power supply conversion; Control with Long-distance Control selector switch S2 and select Long-distance Control if local, single-chip microcomputer 4 directly judge that control switch S3, long-range conventional power supply that long-range conventional power supply closes close the folding situation of the control switch S5 that the control switch S4 of two points and long-range stand-by power supply close, controls motor-operating mechanism 6 and does to commonly use that power supply closes or two points or stand-by power supply close.
As shown in Figure 2, by resistance R 1, capacitor C1, C2, rectifier diode D1 and voltage stabilizing didoe D2,90V～270V alternating voltage is converted to the DC power supply of 5V, supply with the coil of the direct current relay J of 5V, by adhesive and the release of direct current relay J, select respectively conventional power supply and the stand-by power supply working power as controller and motor-operating mechanism, and working power is by the switch S control linking with anchor switch.In the time that anchor switch is closed, switch S closure, manual lever can not update; In the time that anchor switch is opened, switch S disconnects, and manual operation can update.This operating power, again by resistance R 2, capacitor C3, C4, rectifier diode D4 and voltage stabilizing didoe D3, converts 90V～270V alternating voltage to the DC power supply of 5V, supplies with Detection & Controling circuit.Not only operating voltage range is wide, two-way power supply has been carried out to reliable isolation, and physical dimension is little.
By reference to the accompanying drawings execution mode of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned execution mode, in the ken possessing those skilled in the art, can also under the prerequisite that does not depart from the utility model aim, make various variations.
Claims (2)
1. an embedded micro dual-power transfer switch controller, comprise flow restricter, rectifier, photoelectrical coupler, single-chip microcomputer, drive circuit, bidirectional triode thyristor, motor-operating mechanism, anchor switch, control switch and power-switching circuit, the input that it is characterized in that single-chip microcomputer connects 6 by flow restricter, the input circuit of rectifier and photoelectrical coupler composition, its connected mode is that single-chip microcomputer connects photoelectrical coupler, photoelectrical coupler connects rectifier, rectifier connects flow restricter, flow restricter leaves the port connecing to power supply, article 3, input circuit is used for connecting conventional power supply, article 3, input circuit is used for connecting stand-by power supply, on single-chip microcomputer, be connected with control switch, on single-chip microcomputer output, also connect the output circuit of 2 route drive circuits, bidirectional triode thyristor composition, its connected mode is that single-chip microcomputer connects drive circuit, and drive circuit connects bidirectional triode thyristor, and bidirectional triode thyristor connects motor-operating mechanism, power-switching circuit comprises direct current relay, rectifier diode, voltage stabilizing didoe, resistance, electric capacity and anchor switch, its connected mode is a resistance and a Capacitance parallel connection, one end in parallel is connected to conventional power supply A phase, the other end is connected to the positive pole of a diode and the negative pole of voltage stabilizing didoe, and the positive pole of voltage stabilizing didoe is connected to conventional power supply N line, the coil of direct current relay and an electrochemical capacitor parallel connection, the positive pole of electrochemical capacitor is connected with the negative pole of diode, and the negative pole of electrochemical capacitor is connected to conventional power supply N line, one end of a dynamic circuit connector switch of direct current relay is connected to conventional power supply A phase, and the other end is connected to one end of a quiet combination switch and one end of anchor switch of direct current relay, and the other end of quiet combination switch is connected to the A phase of stand-by power supply, one end of the another one dynamic circuit connector switch of direct current relay is connected to conventional power supply N line, and the other end is connected to one end of the quiet combination switch of another one and the common port of single-chip microcomputer of direct current relay, and the other end of quiet combination switch is connected to the N line of stand-by power supply, another resistance and a Capacitance parallel connection, one end in parallel is connected to the other end of anchor switch, the other end in parallel is connected to the positive pole of another diode and the negative pole of voltage stabilizing didoe, and the negative pole of diode is connected to the positive pole of another electrochemical capacitor and the power positive end of single-chip microcomputer, the positive pole of voltage stabilizing didoe and the negative pole of electrochemical capacitor are connected to the common port of single-chip microcomputer.
2. embedded micro dual-power transfer switch controller according to claim 1, it is characterized in that described control switch comprise haul oneself willingly into runback and conversion regime selector switch for subsequent use, the local control switch, the long-range conventional power supply that close with Long-distance Control selector switch, long-range conventional power supply controlled closes the control switch that the control switchs of two points and stand-by power supply close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077674.7U CN203788041U (en) | 2014-02-24 | 2014-02-24 | Embedded miniature dual supply change-over switch controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077674.7U CN203788041U (en) | 2014-02-24 | 2014-02-24 | Embedded miniature dual supply change-over switch controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203788041U true CN203788041U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420077674.7U Withdrawn - After Issue CN203788041U (en) | 2014-02-24 | 2014-02-24 | Embedded miniature dual supply change-over switch controller |
Country Status (1)
| Country | Link |
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| CN (1) | CN203788041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825355A (en) * | 2014-02-24 | 2014-05-28 | 泰豪科技股份有限公司 | Embedded type mini-type double-power-source changeover switch controller |
-
2014
- 2014-02-24 CN CN201420077674.7U patent/CN203788041U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825355A (en) * | 2014-02-24 | 2014-05-28 | 泰豪科技股份有限公司 | Embedded type mini-type double-power-source changeover switch controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |