CN201178068Y - Electricity-saving controller apparatus for electromagnetic DC/AC contactor - Google Patents
Electricity-saving controller apparatus for electromagnetic DC/AC contactor Download PDFInfo
- Publication number
- CN201178068Y CN201178068Y CNU2008200285326U CN200820028532U CN201178068Y CN 201178068 Y CN201178068 Y CN 201178068Y CN U2008200285326 U CNU2008200285326 U CN U2008200285326U CN 200820028532 U CN200820028532 U CN 200820028532U CN 201178068 Y CN201178068 Y CN 201178068Y
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- contactor
- electricity
- control device
- vmos
- circuit
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Abstract
The utility model relates to a power-saving control device for an electromagnetic AC/DC contactor, which achieves the power-saving purpose by controlling a VMOS switching circuit via a single chip microcomputer to convert an electromagnetic AC/DC voltage to DC pulsed voltage with adjustable width, and driving an AC/DC contactor via the converted voltage. The power-saving control device provided in the utility model solves the high power consumption problem the prior electromagnetic AC/DC contactor; and has the advantages of low power consumption, prolonged contactor service life, low consumption of contact manufacturing material, and reduced contactor weight and volume.
Description
Technical field
The utility model relates to a kind of electricity-saving control device, relates in particular to a kind of electricity-saving control device of electromagnetic type AC/DC contactor.
Background technology
Existing electromagnetic type AC/DC contactor all is the power voltage supply of 110v 220v or 380v, after contactor energising adhesive, needs continued power, could guarantee the operate as normal of contactor.There is a large amount of power consumptions in the AC/DC contactor of this working condition.In addition, so contactor drums through regular meeting, there is interfering noise because there is zero passage voltage in the alternating current that passes through in the coil in A.C. contactor.
Summary of the invention
The purpose of this utility model provides a kind of electromagnetic type AC/DC contactor electricity-saving control device, and it has solved the serious technical problem of existing electromagnetic type AC/DC contactor power consumption.
Technical solution of the present utility model:
A kind of electromagnetic type AC/DC contactor electricity-saving control device, its different part is: described electricity-saving control device comprises rectification circuit, single-chip microcomputer, power amplifier and VMOS switching circuit; The input termination input voltage of described rectification circuit, its output are connected with the power end of single-chip microcomputer, the power end of power amplifier and the input of VMOS switching circuit respectively; The control end of the output termination power amplifier of described single-chip microcomputer; The control end of the output termination VMOS switching circuit of described power amplifier; The power end of the output termination AC/DC contactor of described VMOS switching circuit.
Above-mentioned electricity-saving control device also comprises anti-jamming circuit, and described anti-jamming circuit is arranged between input voltage and the rectification circuit.
Above-mentioned electricity-saving control device also comprises the rapid release circuit; Described rapid release circuit is monolithic processor controlled switching circuit, and it is connected between VMOS switching circuit and the AC/DC contactor, is used for the control voltage of fast shut-off AC/DC contactor.
Above-mentioned VMOS switching circuit comprises a VMOS pipe, and the grid of described VMOS pipe is connected with the output of power amplifier, and the drain electrode of described VMOS pipe is connected with the output of rectification circuit, and the source electrode of described VMOS pipe is connected with the power end of AC/DC contactor.
Above-mentioned VMOS switching circuit comprises a VMOS pipe, and the grid of described VMOS pipe is connected with the output of power amplifier, and the drain electrode of described VMOS pipe is connected with the output of rectification circuit, and the source electrode of described VMOS pipe is connected with the power end of AC/DC contactor.
The advantage that the utlity model has is:
1, economize on electricity.The utility model is controlled the VMOS switching circuit with single-chip microcomputer the alternating voltage or the direct voltage of electromagnetic treadle is converted to broad-adjustable dc pulse voltage, drive AC/DC contactor with the dc pulse voltage after the conversion, a contactor can connect the power consumption of half approximately when using, thereby reaches the purpose of economize on electricity.The utility model can be widely used in become power transmission system, electric locomotive, power plant, etc. other electric power system.Can save a large amount of electric energy and copper material every year if adopt the utility model in a large number.
2, noise is low.The utility model adopts dc pulse voltage to power, and does not have the zero passage voltage of alternating current, so contactor does not have humming.
3, prolonged the life-span of contactor.The utility model operating current reduces in a large number, makes the heating of control coil reduce greatly, thereby has prolonged the useful life of contactor.
4, save the manufactured materials of contactor.Under same the suction-combining force, adopt D.C. contactor of the present utility model to use control coil to have only original half, adopt A.C. contactor of the present utility model also can reduce the line footpath and the number of turns, thereby reduce the consumption of copper cash in a large number, alleviate the weight and volume of contactor simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Control waveform schematic diagram when Fig. 2 A to Fig. 2 C is the utility model work;
Wherein: U
Go into-input voltage, U1-anti-jamming circuit, U2-rectification circuit, U3-VMOS switching circuit, U4-power amplifier, U5-single-chip microcomputer, U6-rapid release circuit, K-AC/DC contactor.
Embodiment
The utility model electromagnetic type AC/DC contactor electricity-saving control device comprises anti-jamming circuit, rectification circuit, single-chip microcomputer, power amplifier, VMOS switching circuit and rapid release circuit; The VMOS switching circuit mainly comprises a VMOS pipe; Anti-jamming circuit input termination input voltage, the input of its output termination rectification circuit; The output of rectification circuit is divided into three kinds, the power end of its 5V output termination and single-chip microcomputer, and the power end of its 12V output termination power amplifier, its control voltage output end connects the drain electrode of VMOS pipe; The control end of one of single-chip microcomputer output termination power amplifier, the control end of its another output termination rapid release circuit; The grid of the output termination VMOS pipe of power amplifier; The input of the source electrode of VMOS pipe and rapid release circuit joins, the power end of the output termination AC/DC contactor of rapid release circuit, the control voltage of fast shut-off AC/DC contactor when being used to close contactor.
The course of work of the present utility model such as Fig. 2, the control voltage of rectification circuit output shown in Fig. 2 A, when exchanging or D.C. contactor when needing work, after input voltage is switched on, single-chip microcomputer is started working, under the control of single-chip microcomputer, power amplifier is at the control voltage of output shown in Fig. 2 B in the time in first second, be used for firmly adhesive of contactor, at the control voltage of then exporting after first second shown in Fig. 2 C, the duty ratio of this voltage is about 1/10～1/3, and frequency reaches several KHz, and the electric energy that is used for the contactor attracting process provides.
The utility model principle: the utility model is controlled the MOS switching circuit with single-chip microcomputer electromagnetic AC or direct voltage is converted to broad-adjustable dc pulse voltage (the tributary peak impulse voltage equals to change the maximum of preceding combined-voltage), drive AC/DC contactor with the voltage after the conversion, thereby get to the purpose of economize on electricity.Direct voltage after the VMOS switching circuit is subjected to Single-chip Controlling with 110v or 220v or 380v rectification is converted to the identical pulse voltage of voltage.After energising preceding 1 second, the output voltage power of VMOS switching circuit are almost identical with input, become dc pulse voltage after 1 second.Through experimental verification, the contact force that the terminal of contacts of contactor behind the electromagnetic type AC/DC contactor electricity-saving control device is installed on identical contactor with install before identical, before disengagement pulling force after the adhesive of adhesive moving magnet and the installation much at one.
Claims (5)
1, a kind of electromagnetic type AC/DC contactor electricity-saving control device is characterized in that:
Described electricity-saving control device comprises rectification circuit, single-chip microcomputer, power amplifier and VMOS switching circuit;
The input termination input voltage of described rectification circuit, its output are connected with the power end of single-chip microcomputer, the power end of power amplifier and the input of VMOS switching circuit respectively;
The control end of the output termination power amplifier of described single-chip microcomputer;
The control end of the output termination VMOS switching circuit of described power amplifier;
The power end of the output termination AC/DC contactor of described VMOS switching circuit.
2, electromagnetic type AC/DC contactor electricity-saving control device according to claim 1, it is characterized in that: described electricity-saving control device also comprises anti-jamming circuit, described anti-jamming circuit is arranged between input voltage and the rectification circuit.
3, electromagnetic type AC/DC contactor electricity-saving control device according to claim 1 and 2, it is characterized in that: described electricity-saving control device also comprises the rapid release circuit; Described rapid release circuit is monolithic processor controlled switching circuit, and it is connected between VMOS switching circuit and the AC/DC contactor, is used for the control voltage of fast shut-off AC/DC contactor.
4, electromagnetic type AC/DC contactor electricity-saving control device according to claim 3, it is characterized in that: described VMOS switching circuit comprises a VMOS pipe, the grid of described VMOS pipe is connected with the output of power amplifier, the drain electrode of described VMOS pipe is connected with the output of rectification circuit, and the source electrode of described VMOS pipe is connected with the power end of AC/DC contactor.
5, electromagnetic type AC/DC contactor electricity-saving control device according to claim 1 and 2, it is characterized in that: described VMOS switching circuit comprises a VMOS pipe, the grid of described VMOS pipe is connected with the output of power amplifier, the drain electrode of described VMOS pipe is connected with the output of rectification circuit, and the source electrode of described VMOS pipe is connected with the power end of AC/DC contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200285326U CN201178068Y (en) | 2008-03-10 | 2008-03-10 | Electricity-saving controller apparatus for electromagnetic DC/AC contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200285326U CN201178068Y (en) | 2008-03-10 | 2008-03-10 | Electricity-saving controller apparatus for electromagnetic DC/AC contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201178068Y true CN201178068Y (en) | 2009-01-07 |
Family
ID=40218093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200285326U Expired - Fee Related CN201178068Y (en) | 2008-03-10 | 2008-03-10 | Electricity-saving controller apparatus for electromagnetic DC/AC contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201178068Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977100A (en) * | 2016-06-30 | 2016-09-28 | 株洲中车时代电气股份有限公司 | Control method and device for DC contactor for rail transit |
| CN108387810A (en) * | 2018-02-11 | 2018-08-10 | 广州金升阳科技有限公司 | A kind of contactor electricity-saving appliance detection circuit |
-
2008
- 2008-03-10 CN CNU2008200285326U patent/CN201178068Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977100A (en) * | 2016-06-30 | 2016-09-28 | 株洲中车时代电气股份有限公司 | Control method and device for DC contactor for rail transit |
| CN105977100B (en) * | 2016-06-30 | 2018-08-21 | 株洲中车时代电气股份有限公司 | A kind of control method and device of rail traffic D.C. contactor |
| CN108387810A (en) * | 2018-02-11 | 2018-08-10 | 广州金升阳科技有限公司 | A kind of contactor electricity-saving appliance detection circuit |
| CN108387810B (en) * | 2018-02-11 | 2024-02-20 | 广州金升阳科技有限公司 | Contactor electricity-saving appliance detection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20110310 |