CN208174352U - A kind of double power supply automatic transfer switch - Google Patents
A kind of double power supply automatic transfer switch Download PDFInfo
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- CN208174352U CN208174352U CN201820810671.8U CN201820810671U CN208174352U CN 208174352 U CN208174352 U CN 208174352U CN 201820810671 U CN201820810671 U CN 201820810671U CN 208174352 U CN208174352 U CN 208174352U
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Abstract
The utility model provides a kind of double power supply automatic transfer switch, including switch main body and control cabinet, and switch main body includes the first input end being connected with common power supply, the second input terminal being connected with backup battery and the output end being connected with load；First input end and the second input terminal are mutually isolated, further include one group of single-pole double-throw switch (SPDT), and single-pole double-throw switch (SPDT) connects output end phase end corresponding with first input end or the second input terminal under the control of control cabinet；Motor is provided in control cabinet, one group of single-pole double-throw switch (SPDT) shaft and motor output shaft interlocks, it is additionally provided with the battery and electric machine controller for motor power supply, it include the detection device whether detection output has voltage output in the electric machine controller, when detection output, which is, does not have voltage output, the knife of throwing of control motor driven single-pole double-throw switch (SPDT) contacts another input terminal.The utility model provides small in size, strong breaking capacity, double power supply automatic transfer switch stable and reliable for performance.
Description
Technical field
The utility model relates to a kind of double power supply automatic transfer switch fields.
Background technique
Currently, there are very high requirement in many industries and department to the reliability of power supply, in order to guarantee the continuous of power supply
Property, many important occasions use double power supply automatic transfer switch all as electric power supply.As electric energy switching indispensable device,
Its main function is, when normal power source breaks down, can automatically switch to backup power source and continue to load supplying, in power supply
Anti-switching can be carried out automatically after restoring normal, to meet the requirement that low-voltage power supply system switches power supply.Existing double electricity
The unreasonable structural design of source automatic change-over, thus the double power supply automatic transfer switch that there are performances is unstable, volume is big,
The defect of breaking capacity difference.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of small in size, strong breaking capacity, performance
Reliable and stable double power supply automatic transfer switch.
The utility model realizes that its technical purpose technical solution is：A kind of double power supply automatic transfer switch, including switch master
Body and control cabinet, the switch main body includes the first input end being connected with common power supply, be connected with backup battery second
Input terminal and the output end being connected with load；The first input end and the second input terminal is mutually isolated, further includes one group
Single-pole double-throw switch (SPDT), the single-pole double-throw switch (SPDT) connect output end and first input end under the control of the control cabinet
Or the second corresponding phase end of input terminal；Motor is provided in the control cabinet, one group of single-pole double-throw switch (SPDT) turns
Axis and motor output shaft interlock, and are additionally provided with the battery and electric machine controller for motor power supply, wrap in the electric machine controller
The detection device whether detection output has voltage output is included, when detection output, which is, does not have voltage output, control motor is driven
The knife of throwing of dynamic single-pole double-throw switch (SPDT) contacts another input terminal.
The utility model provides small in size, strong breaking capacity, double power supply automatic transfer switch stable and reliable for performance.
Further, in above-mentioned double power supply automatic transfer switch：Automatic lock and hand are additionally provided in the control cabinet
Rocking handle, the rocker of the wind and one group of single-pole double-throw switch (SPDT) shaft interlock.
Further, in above-mentioned double power supply automatic transfer switch：In the motor output shaft and single-pole double-throw switch (SPDT)
Reduction gearbox is additionally provided between shaft.
Further, in above-mentioned double power supply automatic transfer switch：Display input is additionally provided on the control cabinet
End is the instruction device of first input end or the second input terminal.
Further, in above-mentioned double power supply automatic transfer switch：It further include radio communication mold in the control cabinet
Block, module receives external device control to the electric machine controller by wireless communication.
Below with reference to drawings and examples, the utility model is described in detail.
Detailed description of the invention
Fig. 1 is 1 double power supply automatic transfer switch structural schematic diagram of the utility model embodiment.
Specific embodiment
The present embodiment is a kind of double power supply automatic transfer switch, as shown in Figure 1, the switch is by switch main body 1 and control cabinet 2
Two parts composition, wherein switch main body include the first input end first input end that is connected with common power supply respectively with primary electricity
The zero curve N1 and A1, B1, C1 triple line in source, same, the second input terminal being connected on switch main body 1 with backup battery
N2A2B2C2, the second input terminal also as first input end, respectively with the zero curve N1 of backup battery and A1, B1, C1 triple line,
And the output end zero curve N1 and A1, B1, C1 triple line being connected with load；First input end N1A1B1C1 and the second input terminal
N2A2B2C2 is mutually isolated, further includes one group of single-pole double-throw switch (SPDT), and single-pole double-throw switch (SPDT) connects defeated under the control of control cabinet 2
The phase end corresponding with first input end N1A1B1C1 or the second input terminal N2A2B2C2 outlet N3A3B3C3；Have in the present embodiment
Four single-pole double-throw switch (SPDT)s, knife handle side are connected with first input end zero curve N1 and A1, B1, C1 three-phase, this side of knife can be with
It is connected with the zero curve N1 of first input end and A1, B1, C1 triple line, it can also be with the zero curve N2 and A2, B2, C2 tri- of the second input terminal
Phase line is connected.And the zero curve N2 and A2, B2, C2 triple line and first input end zero curve N1 and A1, B1, C1 three-phase of the second input terminal
Line mutually insulated, that is to say, that controlled by four single-pole double-throw switch (SPDT)s, may be implemented by the second input terminal zero curve N2 and
A2, B2, C2 triple line and first input end zero curve N1 and A1, B1, C1 triple line are to load supplying.
In the present embodiment, control cabinet 2 realizes control to switch main body 1, under the control of control cabinet 2, may be implemented the
The zero curve N2 and A2, B2, C2 triple line and first input end zero curve N1 and A1, B1, C1 triple line and output end of two input terminals it
Between selective connection, in control cabinet 2 in be provided with motor, one group of single-pole double-throw switch (SPDT) shaft and motor output shaft interlock,
It is additionally provided with the battery and electric machine controller for motor power supply, includes whether detection output N3A3B3C3 has in electric machine controller
The detection device of voltage output controls motor driven single-pole double throw when detection output N3A3B3C3 is that do not have voltage output
The knife of throwing of switch contacts another input terminal.Under electric machine controller control, the application of the main power supply of alternating current may be implemented.This is
A kind of automatic control mode in the present embodiment, can make load use primary power cource and load power source with manual switch.Control
Case 2 is additionally provided with automatic lock 202 and wind 201, when automatic lock is inconvenient, can with the rocker of wind 201 with it is described
One group of single-pole double-throw switch (SPDT) shaft interlock.Subtract in addition, being additionally provided between motor output shaft and single-pole double-throw switch (SPDT) shaft
Fast case.More torsion can be provided using reduction gearbox, and motor can be and be set using other power supplies of dry cell power supply here
It is standby.
In addition, being additionally provided with display input terminal on control cabinet 2 is first input end N1A1B1C1 or the second input terminal
The instruction device 203 of N2A2B2C2.It further include wireless communication module in control cabinet 2, the electric machine controller passes through wireless
Communication module receives external device control, such as mobile phone intelligent terminal, is connect by communication mode with product.
Claims (5)
1. a kind of double power supply automatic transfer switch, including switch main body (1) and control cabinet (2), the switch main body include with
The connected first input end (N1A1B1C1) of common power supply, the second input terminal (N2A2B2C2) being connected with backup battery and with
The connected output end (N3A3B3C3) of load；The first input end (N1A1B1C1) and the second input terminal (N2A2B2C2) phase
Mutually isolation further includes one group of single-pole double-throw switch (SPDT), and the single-pole double-throw switch (SPDT) is under the control of the control cabinet (2), even
Connect output end (N3A3B3C3) phase end corresponding with first input end (N1A1B1C1) or the second input terminal (N2A2B2C2)；Its
It is characterized in that：Motor, one group of single-pole double-throw switch (SPDT) shaft and motor output shaft are provided in the control cabinet (2)
It interlocks, is additionally provided with the battery and electric machine controller for motor power supply, include detection output in the electric machine controller
(N3A3B3C3) whether there is the detection device of voltage output, when detection output (N3A3B3C3) is that do not have voltage output, control
The knife of throwing of motor driven single-pole double-throw switch (SPDT) processed contacts another input terminal.
2. double power supply automatic transfer switch according to claim 1, it is characterised in that：It is also set in the control cabinet (2)
It is equipped with automatic lock (202) and wind (201), the rocker of the wind (201) and one group of single-pole double-throw switch (SPDT)
Shaft interlocks.
3. double power supply automatic transfer switch according to claim 1, it is characterised in that：In the motor output shaft and list
Reduction gearbox is additionally provided between double-pole double throw switch shaft.
4. double power supply automatic transfer switch according to claim 1, it is characterised in that：On the control cabinet (2) also
It is provided with the instruction device that display input terminal is first input end (N1A1B1C1) or the second input terminal (N2A2B2C2)
(203)。
5. double power supply automatic transfer switch according to claim 1 or 2 or 3 or 4, it is characterised in that：In the control
Case further includes wireless communication module in (2), and module receives external device control to the electric machine controller by wireless communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820810671.8U CN208174352U (en) | 2018-05-26 | 2018-05-26 | A kind of double power supply automatic transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820810671.8U CN208174352U (en) | 2018-05-26 | 2018-05-26 | A kind of double power supply automatic transfer switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208174352U true CN208174352U (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820810671.8U Active CN208174352U (en) | 2018-05-26 | 2018-05-26 | A kind of double power supply automatic transfer switch |
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| CN (1) | CN208174352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068205A (en) * | 2021-11-24 | 2022-02-18 | 深圳市龙星辰电源有限公司 | Switch system for controlling switching of double medical power switches |
-
2018
- 2018-05-26 CN CN201820810671.8U patent/CN208174352U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068205A (en) * | 2021-11-24 | 2022-02-18 | 深圳市龙星辰电源有限公司 | Switch system for controlling switching of double medical power switches |
| CN114068205B (en) * | 2021-11-24 | 2023-08-29 | 深圳市龙星辰电源有限公司 | Switch system for controlling switching of double-medical-treatment power switch |
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