CN102810906B - Surge avoiding type dual-power change-over switch - Google Patents
Surge avoiding type dual-power change-over switch Download PDFInfo
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- CN102810906B CN102810906B CN201210279925.5A CN201210279925A CN102810906B CN 102810906 B CN102810906 B CN 102810906B CN 201210279925 A CN201210279925 A CN 201210279925A CN 102810906 B CN102810906 B CN 102810906B
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- 230000009977 dual effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention discloses a surge avoiding type dual-power change-over switch which comprises an actuating mechanism, a control mechanism, main power interfaces, auxiliary power interfaces, a main power sampling module, an auxiliary power sampling module and a power control module. Each of the main power sampling module and the auxiliary power sampling module is internally provided with a surge protecting circuit, so that surge impact signals on a main power source and an auxiliary power source can be effectively shielded. The power sources for the actuating mechanism and the control system can be on only when the actuating mechanism actuates and are off when actuation is not needed, so that impact of the surge impact signals on the main power source or the auxiliary power source on the control system is avoided.
Description
Technical field
The present invention relates to a kind of mains switch for civil power and generating set generating use, be specifically related to a kind of surge and evade type double power supply converting switch.
Background technology
Along with the development of domestic industry automated process, dual power supply has become indispensable supply power mode.And double-power supply switching device safety, stable, effectively serve system, become effective assurance of dual power supply.Existing double-power supply switching device is served among system, and action motor power is connected in real time, and the easy impulsive control system of surging signal of electrical network causes control system to be damaged, and has reduced the effective online service duration of double-power supply switching device; Evading the impact of electrical network surging signal to control system, has been the effective way that guarantees client's Electrical Safety.
Summary of the invention
The object of the present invention is to provide and a kind ofly can evade the impact of electrical network surging signal to control system in double-power supply switching device, thereby and can guarantee that the effective online service duration of double-power supply switching device guarantees that the surge of client's Electrical Safety evades type double power supply converting switch.
For achieving the above object, technical scheme of the present invention is to provide a kind of surge and evades type double power supply converting switch, comprises actuating mechanism, control system, main power source interface, accessory power supply interface, main power source sampling module, accessory power supply sampling module and energy supply control module; Wherein, described main power source sampling module and the built-in surge protection circuit of described accessory power supply sampling module, and described double power supply converting switch is when be failure to actuate, described actuating mechanism and the conducting of described control system non-transformer.
The power supply of described actuating mechanism is taken from described main power source interface or described accessory power supply interface selectively.The power supply source of described control system is taken from described main power source interface or described accessory power supply interface selectively.
Main power source is connected to described main power source interface through described energy supply control module.
Accessory power supply is connected to described accessory power supply interface through described energy supply control module.
Described main power source sampling module gathers the main power source parameter of described double power supply converting switch, comprise power supply three-phase voltage and supply frequency, it comprises power input terminal and power supply sampling lead-out terminal, and each pin of described input terminal be respectively power supply A phase, power supply B phase, power supply C phase, zero-power line and direct current ground ,+5V power supply and-5V power supply; Each pin of described power supply sampling lead-out terminal is respectively supply frequency sampling output, the output of power supply C phase sampler, the output of power supply B phase sampler and the output of power supply A phase sampler.
Described accessory power supply sampling module gathers the accessory power supply parameter of described double power supply converting switch, comprise power supply three-phase voltage and supply frequency, it comprises power input terminal and power supply sampling lead-out terminal, and each pin of described power input terminal be respectively power supply A phase, power supply B phase, power supply C phase, zero-power line and direct current ground ,+5V power supply and-5V power supply; Each pin of described power supply sampling lead-out terminal is respectively supply frequency sampling output, the output of power supply C phase sampler, the output of power supply B phase sampler and the output of power supply A phase sampler.
Described energy supply control module is analyzed the parameter of main power source and accessory power supply, main power source or the accessory power supply of double power supply converting switch described in selectivity conducting.
Described surge provided by the invention is evaded its main power source sampling module of type double power supply converting switch and the built-in surge protection circuit of accessory power supply sampling module, can effectively shield surge impact signal on main power source and accessory power supply; The only conducting when actuating mechanism is moved of its actuating mechanism and control system power supply, not conducting while not needing to move, thus evaded the impact of surge impact signal to control system on main power source or accessory power supply.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of surge that the present invention proposes is evaded type double power supply converting switch;
Fig. 2 is the structural representation of main power source acquisition module and accessory power supply acquisition module in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate technical scheme of the present invention:
Please refer to accompanying drawing 1, for a kind of surge provided by the invention, evade type double power supply converting switch, comprise actuating mechanism 1, control system 2, main power source interface (102,103), accessory power supply interface (102,103), main power source sampling module 3, accessory power supply sampling module 4 and energy supply control module 5.
Wherein, 5 of described main power source sampling moulds and the built-in surge protection circuit of described accessory power supply sampling module 6, and described double power supply converting switch is when be failure to actuate, described actuating mechanism 1 and the 2 non-transformer conductings of described control system.
Please refer to accompanying drawing 1, the power supply of described actuating mechanism 1 is taken from described main power source interface (102,103) or described accessory power supply interface (104,105) selectively.
Please refer to accompanying drawing 1, the power supply source of described control system 2 is also taken from described main power source interface (102,103) or described accessory power supply interface (104,105) selectively.
Please refer to accompanying drawing 1, main power source 6 is connected to described main power source interface (102,103) through described energy supply control module 5.
Please refer to accompanying drawing 1, accessory power supply 7 is connected to described accessory power supply interface (104,105) through described energy supply control module 5.
Please refer to accompanying drawing 1,303,305 be respectively main power source band carry indication and accessory power supply band carry indication interface, 502,503 is hand automated manner indication interface, 504,505 is Mechanical ring latch indication interface, 402,403,404 and 405 for other indication interfaces, can need to connect different external equipments according to different; 101,301,302,304,501 and 401 is idle interface.
Please refer to accompanying drawing 2, described main power source sampling module 3 gathers main power source 6 parameters of described double power supply converting switch, comprise three-phase voltage and supply frequency, it comprises input terminal JP1, sampling lead-out terminal JP2, voltage transmitter and voltage follower circuit 11, frequency collection circuit 12 and signal voltage lifting circuit 13.
Please refer to accompanying drawing 2, in described input terminal JP1, its pin JP1-1 is power supply A phase, and JP1-2 is power supply B phase, and JP1-3 is power supply C phase, and JP1-4 is zero-power line and direct current ground, and JP1-5 is+5V power supply that JP1-6 is-5V power supply; In described sampling lead-out terminal, each pin JP2-1 is supply frequency sampling output, and JP2-2 is the output of power supply C phase sampler, and JP2-3 is the output of power supply B phase sampler, and JP2-4 is the output of power supply A phase sampler.
Described accessory power supply sampling module 4 gathers accessory power supply 7 parameters of described double power supply converting switch, comprise accessory power supply three-phase voltage and accessory power supply frequency, its structure is identical with described main power source sampling module 3, be that described accessory power supply sampling module 4 has as the structure of accompanying drawing 2, the present embodiment does not repeat accompanying drawing at this, usings the structural representation of accompanying drawing 2 as described accessory power supply sampling module 4 then.
Please refer to Fig. 1, described energy supply control module 5 is analyzed the parameter of described main power sources 6 and described accessory power supply 7, main power source 6 or the accessory power supply 7 of double power supply converting switch described in selectivity conducting.
Described surge provided by the invention is evaded its main power source sampling module 3 of type double power supply converting switch and the built-in surge protection circuit of accessory power supply sampling module 4, can effectively shield surge impact signal on main power source 6 and accessory power supply 7; The only conducting when actuating mechanism is moved of the power supply of its actuating mechanism 1 and control system 2, not conducting while not needing to move, thus evaded the impact of surge impact signal to control system on main power source or accessory power supply.
By reference to the accompanying drawings the present invention has been carried out to exemplary description above; obvious realization of the present invention is not subject to the restrictions described above; as long as the various improvement that adopted technical solution of the present invention to carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all in protection scope of the present invention.
Claims (3)
1. surge is evaded a type double power supply converting switch, it is characterized in that, comprises actuating mechanism, control system, main power source interface, accessory power supply interface, main power source sampling module, accessory power supply sampling module and energy supply control module; Wherein, described main power source sampling module and the built-in surge protection circuit of described accessory power supply sampling module, and the power supply of described actuating mechanism is taken from described main power source interface (102,103) or described accessory power supply interface (104,105) selectively, the power supply source of described control system is also taken from described main power source interface (102,103) or described accessory power supply interface (104,105) selectively;
When described double power supply converting switch is failure to actuate, described actuating mechanism and the conducting of described control system non-transformer.
2. the surge described in 1 is evaded type double power supply converting switch as requested, it is characterized in that, described main power source sampling module gathers the main power source parameter of described double power supply converting switch, comprise power supply three-phase voltage and supply frequency, it comprises power input terminal and power supply sampling lead-out terminal, and each pin of described input terminal be respectively power supply A phase, power supply B phase, power supply C phase, zero-power line and direct current ground ,+5V power supply and-5V power supply; Each pin of described power supply sampling lead-out terminal is respectively supply frequency sampling output, the output of power supply C phase sampler, the output of power supply B phase sampler and the output of power supply A phase sampler.
3. the surge described in 1 is evaded type double power supply converting switch as requested, it is characterized in that, described accessory power supply sampling module gathers the accessory power supply parameter of described double power supply converting switch, comprise power supply three-phase voltage and supply frequency, it comprises power input terminal and power supply sampling lead-out terminal, and each pin of described power input terminal be respectively power supply A phase, power supply B phase, power supply C phase, zero-power line and direct current ground ,+5V power supply and-5V power supply; Each pin of described power supply sampling lead-out terminal is respectively supply frequency sampling output, the output of power supply C phase sampler, the output of power supply B phase sampler and the output of power supply A phase sampler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210279925.5A CN102810906B (en) | 2012-08-08 | 2012-08-08 | Surge avoiding type dual-power change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210279925.5A CN102810906B (en) | 2012-08-08 | 2012-08-08 | Surge avoiding type dual-power change-over switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102810906A CN102810906A (en) | 2012-12-05 |
| CN102810906B true CN102810906B (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210279925.5A Expired - Fee Related CN102810906B (en) | 2012-08-08 | 2012-08-08 | Surge avoiding type dual-power change-over switch |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113785457B (en) * | 2019-03-12 | 2025-03-21 | 佐尼特结构解决方案有限责任公司 | Relay Regulation and Surge Control |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599660A (en) * | 2008-06-06 | 2009-12-09 | 深圳市海洋王照明科技股份有限公司 | A kind of alternating current is changing method and system at random |
| CN201985626U (en) * | 2011-05-04 | 2011-09-21 | 孙巍巍 | Novel equipment for power distribution system |
| EP2378626A1 (en) * | 2010-04-13 | 2011-10-19 | Eneraiser Technology Co., Ltd. | High reliability dual power sources automatic switch circuit |
| CN102608404A (en) * | 2012-03-13 | 2012-07-25 | 上海诺雅克电气有限公司 | Voltage sampling circuit and controller applicable to dual-power automatic transfer switch |
-
2012
- 2012-08-08 CN CN201210279925.5A patent/CN102810906B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599660A (en) * | 2008-06-06 | 2009-12-09 | 深圳市海洋王照明科技股份有限公司 | A kind of alternating current is changing method and system at random |
| EP2378626A1 (en) * | 2010-04-13 | 2011-10-19 | Eneraiser Technology Co., Ltd. | High reliability dual power sources automatic switch circuit |
| CN201985626U (en) * | 2011-05-04 | 2011-09-21 | 孙巍巍 | Novel equipment for power distribution system |
| CN102608404A (en) * | 2012-03-13 | 2012-07-25 | 上海诺雅克电气有限公司 | Voltage sampling circuit and controller applicable to dual-power automatic transfer switch |
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| CN102810906A (en) | 2012-12-05 |
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