CN216904408U - Solid-state mechanical hybrid dual-power transfer switch - Google Patents
Solid-state mechanical hybrid dual-power transfer switch Download PDFInfo
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- CN216904408U CN216904408U CN202220004894.1U CN202220004894U CN216904408U CN 216904408 U CN216904408 U CN 216904408U CN 202220004894 U CN202220004894 U CN 202220004894U CN 216904408 U CN216904408 U CN 216904408U
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- power supply
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- inlet wire
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model discloses a solid-state mechanical hybrid dual-power-supply changeover switch, which comprises a first path of power supply wire inlet end, a second path of power supply wire inlet end and a power supply wire outlet end; the method is characterized in that: the first power supply inlet wire end is connected with the first power supply inlet wire, and the second power supply inlet wire end is connected with the second power supply inlet wire; and the first path of power supply inlet wire and the second path of power supply inlet wire are respectively provided with a switch assembly. The two inlets and one outlet of the switch are respectively externally connected with a thyristor module, so that the switch is externally connected at the moment of power failure to ensure that the switch is not powered off, because the power failure interval is extremely short, the device is ensured not to be shut down due to power failure, a standby power supply can be started immediately, and after the power supply is recovered, the switch is switched back to the original circuit, and the reliability of power supply is ensured.
Description
Technical Field
The utility model relates to the field of power switches, in particular to a solid-state mechanical hybrid dual-power transfer switch.
Background
The dual power supply changeover switch is a switching appliance for switching a load circuit from one power supply (a common power supply) to another power supply (a standby power supply), and is mainly used in an emergency power supply system. When the common power supply has a problem and can not continuously supply power to the load equipment, the standby power supply is switched to, so that the normal and continuous work of the load equipment is ensured.
A dual power supply changeover switch generally includes two circuit breakers and a changeover mechanism provided between the two circuit breakers. The switching mechanism generally includes a turntable and pushers symmetrically disposed on two sides of the turntable, and the turntable is used to drive the pushers to swing, and the pushers push a handle of the circuit breaker to implement switching on or switching off of the circuit breaker.
However, in the above-described system, even if the switching mechanism is immediately restored after the external power supply is turned off, a power failure occurs for a short time, which may damage the device.
In view of this, further improvements are needed in the existing dual power transfer switch.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a solid-state mechanical hybrid dual-power transfer switch, which solves the defects of the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a solid-state mechanical hybrid dual-power supply changeover switch comprises a first power supply incoming line end, a second power supply incoming line end and a power supply outgoing line end; the method is characterized in that: the first power supply inlet wire end is connected with the first power supply inlet wire, and the second power supply inlet wire end is connected with the second power supply inlet wire; and the first path of power supply inlet wire and the second path of power supply inlet wire are respectively provided with a switch assembly.
According to a further optimized technical scheme, the switch assembly comprises a first switch assembly and a second switch assembly; two ends of the first switch component are respectively connected between the first path of power supply inlet end and the power supply outlet end; two ends of the second switch component are respectively connected between the second power supply incoming line end and the power supply outgoing line end.
According to a further optimized technical scheme, the first switch assembly comprises a first change-over switch and a first thyristor module which are connected in parallel between a first power supply inlet end and a power supply outlet end.
According to a further optimized technical scheme, the second switch component comprises a second change-over switch and a second thyristor module which are connected in parallel between the first path of power supply inlet end and the power supply outlet end.
According to the further optimized technical scheme, a short-circuit protection connector is connected between the first power inlet wire and the second power inlet wire.
The thyristor is a four-layer three-terminal device, has three PN junctions of J1, J2 and J3, and can divide NP in the middle of the thyristor into two parts to form a composite tube of a PNP type triode and an NPN type triode. When the thyristor is subjected to the positive anode voltage, the PN junction J2 subjected to the reverse voltage must be made to lose its blocking effect in order to turn on the thyristor. Therefore, when sufficient gate current Ig flows into two transistor circuits combined with each other, a strong positive feedback is generated, so that two transistors are in saturation conduction, and the transistors are in saturation conduction.
Due to the adoption of the technology, compared with the prior art, the utility model has the beneficial effects that:
the two inlets and one outlet of the switch are respectively externally connected with a thyristor module, so that the switch is externally connected at the moment of power failure to ensure that the switch is not powered off, because the power failure interval is extremely short, the device is ensured not to be shut down due to power failure, a standby power supply can be started immediately, and after the power supply is recovered, the switch is switched back to the original circuit, and the reliability of power supply is ensured.
Drawings
FIG. 1 is a schematic block diagram of one embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
As shown in fig. 1, a solid-state mechanical hybrid dual power supply changeover switch includes a first power supply incoming line terminal, a second power supply incoming line terminal, and a power supply outgoing line terminal 6.
In this embodiment, the first power line inlet end is connected to the first power line inlet 1, and the second power line inlet end is connected to the second power line inlet 2; and the first power supply inlet wire 1 and the second power supply inlet wire 2 are respectively provided with a switch assembly.
The switch assembly includes a first switch assembly and a second switch assembly. Two ends of the first switch component are respectively connected between the first path of power supply inlet end and the power supply outlet end; two ends of the second switch component are respectively connected between the second power supply incoming line end and the power supply outgoing line end.
The first switch assembly comprises a first switch 3 and a first thyristor module 5 which are connected in parallel between a first power supply inlet end and a power supply outlet end. The second switch component comprises a second selector switch 4 and a second thyristor module 6 which are connected in parallel between the first power supply inlet end and the power supply outlet end.
And a short-circuit protection connector 7 is connected between the first power inlet wire and the second power inlet wire.
When the power supply is used, the voltage of a common power supply is normal, the switch is operated, and the on-off of the circuit is controlled. When the common power supply voltage is abnormal, the switch and the thyristor module are switched to the position of the standby power supply, the time is extremely short, and the condition of power failure cannot occur.
The two inlets and the one outlet of the switch are respectively externally connected with a thyristor module, so that the switch is externally connected at the moment of power failure, and is prevented from power failure, the standby power supply can be started immediately because the power failure interval is extremely short, the equipment is prevented from being shut down due to power failure, and the standby power supply is switched back after the power supply is recovered, so that the reliability of power supply is ensured.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. A solid-state mechanical hybrid dual-power supply changeover switch comprises a first power supply incoming line end, a second power supply incoming line end and a power supply outgoing line end;
the method is characterized in that:
the first power supply inlet wire end is connected with the first power supply inlet wire, and the second power supply inlet wire end is connected with the second power supply inlet wire;
and the first path of power supply inlet wire and the second path of power supply inlet wire are respectively provided with a switch assembly.
2. The solid-state mechanical hybrid dual-power transfer switch of claim 1, wherein: the switch assembly comprises a first switch assembly and a second switch assembly; two ends of the first switch component are respectively connected between the first path of power supply inlet end and the power supply outlet end; two ends of the second switch component are respectively connected between the second power supply incoming line end and the power supply outgoing line end.
3. The solid-state mechanical hybrid dual-power transfer switch of claim 2, wherein: the first switch assembly comprises a first change-over switch and a first thyristor module which are connected in parallel between a first power supply inlet end and a power supply outlet end.
4. The solid-state mechanical hybrid dual-power transfer switch of claim 2, wherein: the second switch component comprises a second change-over switch and a second thyristor module which are connected in parallel between the first path of power supply wire inlet end and the power supply wire outlet end.
5. The solid-state mechanical hybrid dual-power transfer switch of claim 3 or 4, wherein: and a short-circuit protection connector is connected between the first power inlet wire and the second power inlet wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220004894.1U CN216904408U (en) | 2022-01-03 | 2022-01-03 | Solid-state mechanical hybrid dual-power transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220004894.1U CN216904408U (en) | 2022-01-03 | 2022-01-03 | Solid-state mechanical hybrid dual-power transfer switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216904408U true CN216904408U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220004894.1U Active CN216904408U (en) | 2022-01-03 | 2022-01-03 | Solid-state mechanical hybrid dual-power transfer switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216904408U (en) |
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2022
- 2022-01-03 CN CN202220004894.1U patent/CN216904408U/en active Active
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