CN104299848A - Low-consumption operation device of AC contactor - Google Patents
Low-consumption operation device of AC contactor Download PDFInfo
- Publication number
- CN104299848A CN104299848A CN201310305490.1A CN201310305490A CN104299848A CN 104299848 A CN104299848 A CN 104299848A CN 201310305490 A CN201310305490 A CN 201310305490A CN 104299848 A CN104299848 A CN 104299848A
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- Prior art keywords
- contactor
- starter
- rectifier
- input
- performer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
- H01H47/04—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current
- H01H47/043—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current making use of an energy accumulator
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses a low-consumption operation device of an AC contactor. The operation device comprises an input protective resistor, a starter, a current-limiting capacitor and a rectifier, wherein one end of the input protective resistor is connected with a power input end A; the other end of the input protective resistor is connected with an input end C of the starter; one end of the current-limiting capacitor is connected with the input end C of the starter, and the other end of the current-limiting capacitor is connected with an input end D of the starter; and one AC input terminal of the rectifier is connected with the input end D of the starter, the other AC input terminal of the rectifier is connected with a power input end B, the positive output end of the rectifier is connected with one terminal E of a working coil of the AC contactor, and the negative output end of the rectifier is connected with the other terminal F of the working coil of the AC contactor. According to the low-consumption operation device, the problems that the AC contactor requires a relatively high starting power and a very low maintenance power is solved, difficulties in power saving and starting and operational noise of the AC contactor are overcome, and the problems of coil heating during routine operation and contact jittering during release of the AC contactor are overcome.
Description
Technical field
The present invention relates to A.C. contactor technical field, more particularly, relate to a kind of A.C. contactor low consumption performer.
Background technology
Existing A.C. contactor uses to exchange and drives, and is designed with short-circuited conducting sleeve to solve alternating current zero crossing problem, due to ac contactor coil be in high voltage for a long time under work that to there is heating larger, power consumption greatly, the shortcoming that noise is large.
In prior art, solving contactor power saving operation problem has the methods such as the maintenance of transformer auxiliary power supply, mechanical device, controllable silicon phase shift auxiliary power supply and electronic circuit time delay auxiliary power supply.
Wherein, transformer auxiliary power supply method increases cost and circuit volume because needing increase transformer; Controllable silicon phase-moving method also increases the uncertainty of circuit because introducing active controllable silicon cell, electronic circuit time delay auxiliary power supply method exists active electron component too and adds the uncertainty of circuit, thus is difficult to practical; Although assist is reliable, cost of manufacture is relatively high and need to be difficult to existing A.C. contactor machine rebuilding accept.
Existing PTC(Positive Temperature Coefficient, semistor) starting method is not because use storage capacitor strong to the adaptive capacity of voltage, and the PTC starting method that condition is simple limits it twice startup gap needs longer cooling time (10 minutes) and promotes.TVS(Transient Voltage Suppressor, Transient Voltage Suppressor) voltage reduction method is because choosing of TVS is more difficult, and the voltage adaptation ability of TVS is poor, moreover TVS easily damages because heating is larger.
Therefore, how to solve ac contactor coil heating problem, the operating noise problem of A.C. contactor, the short-circuited conducting sleeve problem of civil power zero passage, becomes the technical problem that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of A.C. contactor low consumption performer, to solve ac contactor coil heating problem, the operating noise problem of A.C. contactor, the short-circuited conducting sleeve problem of civil power zero passage.
For achieving the above object, the invention provides following technical scheme:
A kind of A.C. contactor low consumption performer, comprising:
Power input A and power input B;
Input protection resistor, one end of described input protection resistor is electrically connected with described power input A;
Starter, the other end of described input protection resistor is electrically connected with the input C of described starter;
Limiting capacitor, one end of described limiting capacitor is electrically connected with described input C, and the other end is electrically connected with the input D of described starter;
Rectifier, an AC input terminal of described rectifier is electrically connected with described input D, another AC input terminal of described rectifier is electrically connected with described power input B, the positive output end of described rectifier is a terminals E of the actuating coil of A.C. contactor, and the negative output terminal of described rectifier is another terminals F of the actuating coil of A.C. contactor.
Preferably, in above-mentioned A.C. contactor low consumption performer, also comprise bleeder resistance, described bleeder resistance and described starter and described limiting capacitor are in parallel.
Preferably, in above-mentioned A.C. contactor low consumption performer, also comprise energy storage and change-over time regulating capacitor, described energy storage and change-over time regulating capacitor positive pole be connected with the positive output end of described rectifier, negative pole is connected with the negative output terminal of described rectifier.
Preferably, in above-mentioned A.C. contactor low consumption performer, also comprise inverse peak voltage release diode, the negative electrode of described inverse peak voltage release diode is connected with the positive output end of described rectifier, and anode is connected with the negative output terminal of described rectifier.
Preferably, in above-mentioned A.C. contactor low consumption performer, described rectifier is full-bridge rectifier.
Preferably, in above-mentioned A.C. contactor low consumption performer, described starter is PTC starter.
Preferably, in above-mentioned A.C. contactor low consumption performer, described starter is capacitor starter.
Preferably, in above-mentioned A.C. contactor low consumption performer, described starter is manual open type switch.
Preferably, in above-mentioned A.C. contactor low consumption performer, described starter is the normally closed auxiliary contact of described A.C. contactor.
As can be seen from above-mentioned technical scheme, A.C. contactor low consumption performer provided by the invention, uses the starter of passive electronic cooperation plug-in type to realize driving and keep to automatically switch solving the problem of the A.C. contactor larger starting power of needs and very little maintenance power.Solve the coil heating problem of economize on electricity and A.C. contactor start-up and operation noise problem and A.C. contactor conventional operation simultaneously, also solve contact chatter problem when A.C. contactor discharges.Because do not use active component, there is reliability high, the advantages such as cost is low.Simultaneously because do not use mechanical device not need to transform A.C. contactor.Owing to solving ac contactor coil heating problem and contact chatter problem, the useful life of A.C. contactor is also extended simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The circuit diagram of the A.C. contactor low consumption performer that Fig. 1 provides for the embodiment of the present invention;
The circuit diagram of the starter that Fig. 2 provides for the embodiment of the present invention;
The circuit diagram of the starter that Fig. 3 provides for another embodiment of the present invention;
The circuit diagram of the starter that Fig. 4 provides for yet another embodiment of the invention.
Embodiment
Core of the present invention is to provide a kind of A.C. contactor low consumption performer, to solve ac contactor coil heating problem, and the operating noise problem of A.C. contactor, the short-circuited conducting sleeve problem of civil power zero passage.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the circuit diagram of the A.C. contactor low consumption performer that Fig. 1 provides for the embodiment of the present invention.
The A.C. contactor low consumption performer that the embodiment of the present invention provides, comprises input protection resistor 1, starter 4, limiting capacitor 2 and rectifier 5.
Original work are the lead-out terminal (or 220V civil power) that the connects A.C. contactor 8 actuating coil terminal as power input A of the present invention and power input B.
One end of input protection resistor 1 is electrically connected with power input A, and the other end of input protection resistor 1 is electrically connected with the input C of starter 4.
One end of limiting capacitor 2 is electrically connected with input C, the other end is electrically connected with the input D of starter 4, starter 4 provides drive current loop when starting shooting, make A.C. contactor 8 obtain enough driving powers and adhesive, after this circuit only by limiting capacitor 2 for A.C. contactor 8 provides suitable adhesive to keep power.
Rectifier 5(rectifier 5 forms interchange and turns DC circuit) an AC input terminal be electrically connected with input D, another AC input terminal of rectifier 5 is electrically connected with power input B, the positive output end of rectifier 5 is a terminals E of the actuating coil of A.C. contactor 8, and the negative output terminal of rectifier 5 is another terminals F of the actuating coil of A.C. contactor 8.
The present invention changes A.C. contactor 8 into DC driven low-voltage direct by interchange driving and keeps both having solved ac contactor coil heating problem, also the operating noise problem of A.C. contactor is solved, also solve the short-circuited conducting sleeve problem of A.C. contactor in civil power zero passage, what can simplify A.C. contactor like this designs and produces technique.Use the present invention can also reach significant energy-saving effect and greatly extend A.C. contactor useful life thus reach low consumption operation purpose of design.
In the present invention one specific embodiment, the present invention also can comprise bleeder resistance 3, and bleeder resistance 3 is in parallel with starter 4 and limiting capacitor 2.
In the present invention one specific embodiment, the present invention also can comprise energy storage and change-over time regulating capacitor 6, energy storage and change-over time regulating capacitor 6 positive pole be connected with the positive output end of rectifier 5, negative pole is connected with the negative output terminal of rectifier 5.
Energy storage and change-over time regulating capacitor 6 effect mainly regulate to start to and maintain state conversion time and energy storage effect, increase the voltage adaptation ability of circuit, improve the reliability of circuit.In addition, energy storage and change-over time regulating capacitor 6 add the startability also improving A.C. contactor 8, reduce the startup noise of ac contactor 8.
Because energy storage and change-over time regulating capacitor 6 existence solve the coil voltage adaptive capacity of A.C. contactor 8, the A.C. contactor 8 of 380V operating voltage can directly be driven by 220V circuit completely.Energy storage and change-over time regulating capacitor 6 be incorporated as the production technology simplifying A.C. contactor.
In the present invention one specific embodiment, the present invention also can comprise inverse peak voltage release diode 7, and the negative electrode of inverse peak voltage release diode 7 is connected with the positive output end of rectifier 5, and anode is connected with the negative output terminal of rectifier 5.
The negative peak threshold voltage that the effect of inverse peak voltage release diode 7 produces when being the release of release ac contactor coil, solves direct current remanent magnetism problem simultaneously.
In the present invention one specific embodiment, rectifier 5 is preferably full-bridge rectifier.Starter 4 can be PTC starter as shown in Figure 2, also can be the capacitor starter shown in Fig. 3, also can be manual open type switch, also can be the normally closed auxiliary contact that the A.C. contactor 8 shown in Fig. 4 carries, even can use 220V, the incandescent lamp of 100W uses as starting component and reaches illumination and economize on electricity dual purpose.
The present invention, because the form using starter external, can reduce PTC cooling time when using PTC starter, twice startup gap can be realized in 1 minute.Starter is external can make full use of existing resource, as long as choose reasonable starter just can be applicable to nearly all use A.C. contactor occasion.
In sum, the present invention has following technique effect:
1, use passive component to solve start and keep switching;
2, the non-polar condenser of Non-energy-consumption is used to do current limliting voltage drop element, idle own;
3, plug-in type starter is used to realize starting and keep gentle transition both to decrease cost, the reliability too increasing circuit makes simple circuit, and reliability is high, wide accommodation, because starter is external, use PTC starter time can reduce twice start-up time gap;
4, to former A.C. contactor without the need to transformation;
5, adhesive is reliable, and release is clear-cut, solves the possibility of ac contactor contact Release Jitter;
6, reduce further the operation noise of A.C. contactor while economize on electricity;
7, easy-to-connect, directly can receive A, B end and originally connect on the terminal of A.C. contactor, not need other wiring;
8, maximum power savings reaches more than 99%;
9, use energy storage and change-over time regulating capacitor both solved voltage adaptation ability, add the reliability of circuit, improve the startability of A.C. contactor simultaneously, make to start steadily, reduce the startup noise of A.C. contactor, being incorporated as and simplifying the production technology of A.C. contactor and give security of energy storage and regulating capacitor change-over time.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. an A.C. contactor low consumption performer, is characterized in that, comprising:
Power input A and power input B;
Input protection resistor (1), one end of described input protection resistor (1) is electrically connected with described power input A;
Starter (4), the other end of described input protection resistor (1) is electrically connected with the input C of described starter (4);
Limiting capacitor (2), one end of described limiting capacitor (2) is electrically connected with described input C, and the other end is electrically connected with the input D of described starter (4);
Rectifier (5), an AC input terminal of described rectifier (5) is electrically connected with described input D, another AC input terminal of described rectifier (5) is electrically connected with described power input B, the positive output end of described rectifier (5) is a terminals E of the actuating coil of A.C. contactor (8), and the negative output terminal of described rectifier (5) is another terminals F of the actuating coil of A.C. contactor (8).
2. A.C. contactor low consumption performer as claimed in claim 1, is characterized in that, also comprise bleeder resistance (3), and described bleeder resistance (3) is in parallel with described starter (4) and described limiting capacitor (2).
3. A.C. contactor low consumption performer as claimed in claim 1, it is characterized in that, also comprise energy storage and regulating capacitor change-over time (6), the positive pole of described energy storage and regulating capacitor change-over time (6) is connected with the positive output end of described rectifier (5), and negative pole is connected with the negative output terminal of described rectifier (5).
4. A.C. contactor low consumption performer as claimed in claim 3, it is characterized in that, also comprise inverse peak voltage release diode (7), the negative electrode of described inverse peak voltage release diode (7) is connected with the positive output end of described rectifier (5), and anode is connected with the negative output terminal of described rectifier (5).
5. A.C. contactor low consumption performer as claimed in claim 1, it is characterized in that, described rectifier (5) is full-bridge rectifier.
6. the A.C. contactor low consumption performer as described in any one of claim 1-5, is characterized in that, described starter (4) is PTC starter.
7. the A.C. contactor low consumption performer as described in any one of claim 1-5, is characterized in that, described starter (4) is capacitor starter.
8. the A.C. contactor low consumption performer as described in any one of claim 1-5, is characterized in that, described starter (4) is manual open type switch.
9. the A.C. contactor low consumption performer as described in any one of claim 1-5, is characterized in that, the normally closed auxiliary contact that described starter (4) is described A.C. contactor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310305490.1A CN104299848A (en) | 2013-07-19 | 2013-07-19 | Low-consumption operation device of AC contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310305490.1A CN104299848A (en) | 2013-07-19 | 2013-07-19 | Low-consumption operation device of AC contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104299848A true CN104299848A (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310305490.1A Pending CN104299848A (en) | 2013-07-19 | 2013-07-19 | Low-consumption operation device of AC contactor |
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| Country | Link |
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| CN (1) | CN104299848A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355514A (en) * | 2015-12-14 | 2016-02-24 | 宁波市镇海华泰电器厂 | Power-saving low-heat silencing alternating-current contactor |
Citations (6)
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| CN2039460U (en) * | 1988-08-06 | 1989-06-14 | 昆明钢铁公司技术处 | Noiseless power-economizer for ac electro-magnetic valve and electric contactor |
| DE19933201A1 (en) * | 1999-07-15 | 2001-01-18 | Moeller Gmbh | Emergency shut down protective switch circuit has voltage divider connected to control electrode of transistor |
| CN2519401Y (en) * | 2002-01-16 | 2002-10-30 | 林李杰 | Power-saving noiseless AC contactor |
| CN201262922Y (en) * | 2008-07-25 | 2009-06-24 | 上海市城市排水市南运营有限公司 | Electricity-saving muffler device of AC contactor |
| CN201298503Y (en) * | 2008-08-15 | 2009-08-26 | 山东联合化工股份有限公司 | Silent energy-saving running device of an alternative-current contactor |
| CN202473754U (en) * | 2012-01-11 | 2012-10-03 | 翟佑华 | Soundless energy-saving power-loss discharging-delay device |
-
2013
- 2013-07-19 CN CN201310305490.1A patent/CN104299848A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2039460U (en) * | 1988-08-06 | 1989-06-14 | 昆明钢铁公司技术处 | Noiseless power-economizer for ac electro-magnetic valve and electric contactor |
| DE19933201A1 (en) * | 1999-07-15 | 2001-01-18 | Moeller Gmbh | Emergency shut down protective switch circuit has voltage divider connected to control electrode of transistor |
| CN2519401Y (en) * | 2002-01-16 | 2002-10-30 | 林李杰 | Power-saving noiseless AC contactor |
| CN201262922Y (en) * | 2008-07-25 | 2009-06-24 | 上海市城市排水市南运营有限公司 | Electricity-saving muffler device of AC contactor |
| CN201298503Y (en) * | 2008-08-15 | 2009-08-26 | 山东联合化工股份有限公司 | Silent energy-saving running device of an alternative-current contactor |
| CN202473754U (en) * | 2012-01-11 | 2012-10-03 | 翟佑华 | Soundless energy-saving power-loss discharging-delay device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355514A (en) * | 2015-12-14 | 2016-02-24 | 宁波市镇海华泰电器厂 | Power-saving low-heat silencing alternating-current contactor |
| CN105355514B (en) * | 2015-12-14 | 2018-03-27 | 宁波市镇海华泰电器厂 | The A.C. contactor of economize on electricity low-heat noise elimination |
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Application publication date: 20150121 |
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