CN103152020A - Alternating-current contactless contactor - Google Patents
Alternating-current contactless contactor Download PDFInfo
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- CN103152020A CN103152020A CN2013101036472A CN201310103647A CN103152020A CN 103152020 A CN103152020 A CN 103152020A CN 2013101036472 A CN2013101036472 A CN 2013101036472A CN 201310103647 A CN201310103647 A CN 201310103647A CN 103152020 A CN103152020 A CN 103152020A
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Abstract
The invention discloses an alternating-current contactless contactor, which comprises a thyristor module, a power supply module, trigger modules, a control switch, a voltage regulator module and a synchronous output module, wherein the trigger modules comprise a trigger module I, a trigger module II and a trigger module III which are sequentially connected in series; the output end of the power supply module is connected with the input end of the voltage regulator module, the input end of the trigger module I, the input end of the trigger module II and the input end of the trigger module III respectively; one output end of the voltage regulator module is connected with the input end of the synchronous output module; the other output end of the voltage regulator module is connected with the input end of the control switch; one control output end of the control switch is connected with the input end of the synchronous output module; the other control output end of the control switch is connected with the input end of the trigger module I; and the output ends of the trigger module I, the trigger module II and the trigger module III are connected with the input end of the thyristor module respectively. The alternating-current contactless contactor can be applicable to an occasion with controlled voltage not higher than 2V, and therefore, the applicability is strong.
Description
Technical field
The present invention relates to a kind of Contactless contactor, specifically, relate to the AC contactless contactor of crossover voltage≤2V at a kind of zero point, belong to the Electrical Control Technology field.
Background technology
Traditional electromagnetic treadle contact rapid wear, when making adhesive or release movement, differ very large because of the different brands product operate time, even same brand, different capabilities, the different voltage of controlling also differ very large during action, therefore limited the scope of application or affected result of use.Development along with power electronic technology, people wish with the Contactless contactor replacement electromagnetic treadle of thyristor as switch, but general Contactless contactor crossover voltage at zero point is bigger than normal, generally at ± 20～30V, namely when alternating voltage zero-crossing, zero point front and back ± 20～30V voltage can't conducting.When voltage magnitude was 220VAC or 380VAC, this problem was not outstanding, but just can not use less than the occasion of 20VAC controlled voltage.
Summary of the invention
For the problems referred to above that prior art exists, the purpose of this invention is to provide the AC contactless contactor of a kind of crossover voltage≤2V.
For achieving the above object, the technical solution used in the present invention is as follows:
a kind of AC contactless contactor, comprise thyristor module, power module, trigger module, control switch, Voltage stabilizing module and synchronous output module, described trigger module comprises a trigger module of series connection successively, No. two trigger modules and No. three trigger modules, the output of described power module respectively with Voltage stabilizing module, a trigger module, the input of No. two trigger modules and No. three trigger modules is connected, one output of described Voltage stabilizing module is connected with the input of synchronous output module, another output is connected with the input of control switch, one control output end of control switch is connected with the input of synchronous output module, another control output end is connected with the input of a trigger module, the output of a described trigger module, No. two trigger modules and No. three trigger modules is connected with the input of thyristor module respectively.
As a kind of preferred version, the output of described power module is connected with the input of control switch.
As a kind of preferred version, described No. three trigger module ground connection.
As a kind of preferred version, the input voltage of power module is the 220V alternating voltage.
As a kind of preferred version, the break-make of thyristor module is synchronizeed with the break-make of synchronous output module.
Compared with prior art, AC contactless contactor provided by the invention can make the zero point crossover voltage be dropped to≤2V by existing ± 20～30V, and applicable to the occasion of controlled voltage≤2V, applicability is strong, is conducive to wide popularization and application.
Description of drawings
Fig. 1 is the structural representation of a kind of AC contactless contactor provided by the invention.
In figure: 1, thyristor module; 2, power module; 3, trigger module; 4, No. two trigger modules; 5, No. three trigger modules; 6, control switch; 7, Voltage stabilizing module; 8, synchronous output module.
Specific implementation method
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is done further and is elaborated:
Embodiment
As shown in Figure 1, a kind of AC contactless contactor provided by the invention, comprise thyristor module 1, power module 2, trigger module, control switch 6, Voltage stabilizing module 7 and synchronous output module 8, described trigger module comprises a trigger module 3, No. two trigger modules 4 and No. three trigger modules 5 of series connection successively, described No. three trigger module 5 ground connection; The output of described power module 2 is connected with the input of Voltage stabilizing module 7, a trigger module 3, No. two trigger modules 4 and No. three trigger modules 5 respectively, for trigger module and Voltage stabilizing module provide power supply; One output of described Voltage stabilizing module 7 is connected with the input of synchronous output module 8, and another output is connected with the input of control switch 6; One control output end of control switch 6 is connected with the input of synchronous output module 8, and another control output end is connected with the input of a trigger module 3, and control switch makes the break-make of synchronous output module synchronize with the break-make of thyristor module; The output of a described trigger module 3, No. two trigger modules 4 and No. three trigger modules 5 is connected with the input of thyristor module 1 respectively, for thyristor module provides trigger current, controls the break-make of thyristor; The output of described power module 2 is connected with the input of control switch 6, and the input voltage of power module is the 220V alternating voltage.
The workflow of AC contactless contactor provided by the invention is as follows:
The input of power module 2 connects the 220V power supply, the 220V voltage of power module 2 is respectively Voltage stabilizing module 7, a trigger module 3, No. two trigger modules 4 and No. three trigger modules 5 power supply is provided after step-down and rectification, Voltage stabilizing module 7 one tunnel is exported to synchronous output module 8, another road output is controlled trigger module and synchronous output module 8 through control switch 6, control signal by control switch 6 first through a trigger module 3 out, again through No. two trigger modules 4, from No. two trigger modules 4 out, again through No. three trigger modules 5, ground connection after No. three trigger modules 5; Output signal to respectively the thyristor control end of thyristor module from trigger module 3, No. two trigger modules 4 and No. three trigger modules 5, control the break-make of thyristor, controlling the control signal of a trigger module 3, No. two trigger modules 4 and No. three trigger modules 5 connects, therefore be synchronous from a trigger module 3, No. two trigger modules 4 and No. three trigger modules 5 signal out, it is also synchronous controlling respectively thyristor; When control switch was closed, a trigger module 3, No. two trigger modules 4 and No. three trigger modules 5 were synchronously exported respectively control signal, the thyristor module conducting, and synchronous output module 8 normally opened contacts are closed simultaneously; When control switch disconnected, a trigger module 3, No. two trigger modules 4 and No. three trigger modules 5 turn-offed control signal simultaneously, thyristor module 1 cut-off.
Because triggering signal of the present invention is another from the 220V Power supply, without inner link, therefore, lower than 20V, even lower than 2V, the amplitude of triggering signal is constant when the three-phase input with controlled three phase mains, and thyristor still can conducting.
Be necessary at last to be pointed out that at this; above-mentioned explanation only is used for technical scheme of the present invention is described in further detail; can not be interpreted as limiting the scope of the invention, some nonessential improvement that those skilled in the art's foregoing according to the present invention is made and adjustment all belong to protection scope of the present invention.
Claims (5)
1. AC contactless contactor, it is characterized in that: comprise thyristor module, power module, trigger module, control switch, Voltage stabilizing module and synchronous output module, described trigger module comprises a trigger module of series connection successively, No. two trigger modules and No. three trigger modules, the output of described power module respectively with Voltage stabilizing module, a trigger module, the input of No. two trigger modules and No. three trigger modules is connected, one output of described Voltage stabilizing module is connected with the input of synchronous output module, another output is connected with the input of control switch, one control output end of control switch is connected with the input of synchronous output module, another control output end is connected with the input of a trigger module, the output of a described trigger module, No. two trigger modules and No. three trigger modules is connected with the input of thyristor module respectively.
2. AC contactless contactor as claimed in claim 1, it is characterized in that: the output of described power module is connected with the input of control switch.
3. AC contactless contactor as claimed in claim 1, is characterized in that: described No. three trigger module ground connection.
4. AC contactless contactor as claimed in claim 1, it is characterized in that: the input voltage of power module is the 220V alternating voltage.
5. AC contactless contactor as claimed in claim 1, it is characterized in that: the break-make of thyristor module is synchronizeed with the break-make of synchronous output module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101036472A CN103152020A (en) | 2013-03-27 | 2013-03-27 | Alternating-current contactless contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101036472A CN103152020A (en) | 2013-03-27 | 2013-03-27 | Alternating-current contactless contactor |
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| CN103152020A true CN103152020A (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013101036472A Pending CN103152020A (en) | 2013-03-27 | 2013-03-27 | Alternating-current contactless contactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617934A (en) * | 2015-02-09 | 2015-05-13 | 商晓 | Contact-less contactor capable of realizing pointing control |
| CN109768742A (en) * | 2019-01-29 | 2019-05-17 | 黄雅宋 | A kind of motor commutation controller and its control system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201174357Y (en) * | 2008-03-20 | 2008-12-31 | 顾九虎 | Electricity-saving device of AC contact apparatus |
| CN201204570Y (en) * | 2008-01-24 | 2009-03-04 | 上海智大电子有限公司 | AC contactless control switch |
| CN102262977A (en) * | 2010-05-26 | 2011-11-30 | 台达电子工业股份有限公司 | Drive circuit of AC contactor |
-
2013
- 2013-03-27 CN CN2013101036472A patent/CN103152020A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201204570Y (en) * | 2008-01-24 | 2009-03-04 | 上海智大电子有限公司 | AC contactless control switch |
| CN201174357Y (en) * | 2008-03-20 | 2008-12-31 | 顾九虎 | Electricity-saving device of AC contact apparatus |
| CN102262977A (en) * | 2010-05-26 | 2011-11-30 | 台达电子工业股份有限公司 | Drive circuit of AC contactor |
| US20110292558A1 (en) * | 2010-05-26 | 2011-12-01 | Delta Electronics, Inc. | Driving circuit for ac contactor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617934A (en) * | 2015-02-09 | 2015-05-13 | 商晓 | Contact-less contactor capable of realizing pointing control |
| CN104617934B (en) * | 2015-02-09 | 2018-06-05 | 山东垦创自控技术有限公司 | It is a kind of can point operation control Contactless contactor |
| CN109768742A (en) * | 2019-01-29 | 2019-05-17 | 黄雅宋 | A kind of motor commutation controller and its control system |
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Application publication date: 20130612 |