CN2577431Y - High-efficient energy-saving A.C. contactor - Google Patents
High-efficient energy-saving A.C. contactor Download PDFInfo
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- CN2577431Y CN2577431Y CN 02259133 CN02259133U CN2577431Y CN 2577431 Y CN2577431 Y CN 2577431Y CN 02259133 CN02259133 CN 02259133 CN 02259133 U CN02259133 U CN 02259133U CN 2577431 Y CN2577431 Y CN 2577431Y
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Abstract
The utility model relates to a high-efficient energy saving alternate current contactor which comprising a shell, an electromagnetic coil, a spring, an iron core, armature iron, a dynamic and a static contact points, and an arc extinguishing system. The utility model is characterized in that the utility model also comprises an electronic controller to control the high voltage direct current attracting voltage of the contactor, wherein the holding time of high voltage direct current attraction is adjustable, low voltage direct current holding attraction is automatically switch after the high voltage direct current attraction, and low voltage direct current attraction holding voltage is adjustable; the electronic controller is installed in the shell, the input end of the electronic controller is connected with power supply, and both output ends are connected with both ends of the electromagnetic coil. The utility model has the advantages that high voltage direct current attracting voltage is controllable, high voltage direct current attraction holding time is adjustable, low voltage direct current holding attracting state is automatically switched after tens of milliseconds to hundreds of milliseconds, and the holding time can be lengthened or shortened according to the actual demand, and also has the advantages of convenience, simplicity, stability, safety and reliability during holding attraction, energy saving and noise reduction.
Description
Affiliated technical field
The utility model relates to a kind of contactor, is a kind of energy-efficient A.C. contactor specifically.
Background technology
At present, A.C. contactor mainly comprises shell, solenoid, spring, iron core, armature, sound contact and arc quenching system etc.Arc quenching system adopts the A.C. contactor of vacuum interrupter to be called as AC vacuum contactor.The A.C. contactor operation principle is: behind coil electricity, armature is by adhesive, and the magnetic attraction of solenoid overcomes the reaction force of spring, and dynamic/static contact is right after, and main circuit is connected; After the solenoid outage, armature and moving contact move under the effect of spring reaction power, and dynamic/static contact separately cuts off main circuit.Main circuit is kept and is switched in the disconnection during this period of time, and solenoid is switched on all the time, and power consumption is big, and noise is arranged; Sometimes also can burn solenoid, influence the electronic product safe operation.For sound falls in economize on electricity, people have designed all kinds of energy saving ac contactors, and common energy saving ac contactor and working method thereof have:
(1) exchange adhesive, mechanical latching needs add-on device control or manual operation to reset during power failure.
(2) exchange adhesive, magnetic keeps power-saving running.
(3) exchange adhesive, the transformer step-down rectifier keeps power-saving running.
(4) exchange adhesive, double winding switches with auxiliary contact.
Practice shows, the energy saving ac contactor of these types is because of the reason of various complexity such as circuit, structure, working method, or influenced useful life, or cost is higher, is difficult to apply for example " magnetic locking contactor " (application number 91110753), " energy-saving alternating current contactor " (ZL86204002, stop), " energy-saving alternating current contactor " (ZL87208809, abandon), (ZL92237393 stops), (ZL93240886 stops) etc.Therefore actually, traditional A.C. contactor product and working method are still occupied an leading position, and the phenomenon that power consumption is big still exists.
Summary of the invention
The purpose of this utility model is the problem at above-mentioned existence, and the A.C. contactor common to tradition improves, and provides that a kind of simple in structure, reliable operation, noise are little, the energy-efficient A.C. contactor of low cost of manufacture.
For achieving the above object, the solution that the utility model is taked is: a kind of energy-efficient A.C. contactor, comprise shell, solenoid, spring, iron core, armature, sound contact and arc quenching system, it is characterized in that also comprising that one is used for control contactor high voltage direct current pick-up voltage, high voltage direct current adhesive and holds time and convert that low-voltage direct is kept adhesive, low-voltage direct is kept the adjustable electronic controller of pick-up voltage after adjustable, the high voltage direct current adhesive automatically to, this electronic controller is installed in the enclosure, its input termination power, output two termination solenoid two ends.
The utlity model has following advantage and characteristics:
(1) according to contactor actual conditions and power supply situation, may command high voltage direct current pick-up voltage height, overcome that the direct rectification of 220Vac produces in the prior art voltage height, impulsive force are big, the phenomenon of sound contact collision reaction arcing, reduced voltage when low unreliable, the vibration of adhesive, sound contact friction arcing phenomenon take place.
(2) the high voltage direct current adhesive is held time adjustablely, promptly keeps converting low-voltage direct automatically to behind the tens of millisecond～hundreds of milliseconds and keep attracting state, holds time can transfer long according to actual needs or shorten, and is convenient and simple.
(3) low-voltage direct is kept pick-up voltage and can be heightened according to actual needs or turn down, and purpose is stable when keeping adhesive, safety, reliable, not only energy-conservation but also noise reduction.
Description of drawings
Below in conjunction with embodiment and accompanying drawing thereof the utility model is remake description.
Fig. 1 is the electrical schematic diagram of present embodiment.
Embodiment
Referring to Fig. 1, a kind of energy-efficient A.C. contactor, comprise shell, solenoid JC, spring, iron core, armature, sound contact and arc quenching system, it is characterized in that also comprising that one is used for control contactor high voltage direct current pick-up voltage, high voltage direct current adhesive and holds time and convert that low-voltage direct is kept adhesive, low-voltage direct is kept the adjustable electronic controller HXD of pick-up voltage after adjustable, the high voltage direct current adhesive automatically to, this electronic controller HXD installs in the enclosure, and it imports two termination power supplys, output two termination solenoid JC two ends.
As shown in Figure 1, be parallel with capacitor C 6 between described electronic controller HXD and the solenoid JC.
As shown in Figure 1, described electronic controller HXD imports an end and connects power supply M end by starting switch QA and normally closed switch TA series connection control, and electronic controller HXD imports another termination power N end.
As shown in Figure 1, described electronic controller HXD keeps attraction circuit A by high voltage direct current adhesive or low-voltage direct and control circuit B forms, circuit B control circuit A output High Level DC Voltage or output low dc voltage; Described high voltage direct current adhesive or low-voltage direct are kept attraction circuit A by bidirectional triode thyristor SCR, optical coupler U1, variable resistor PR1, PR2, resistance R 1, capacitor C 1, C2, bidirectional diode DC, rectification circuit DL is formed by connecting, the negative electrode of bidirectional triode thyristor SCR connects rectification circuit DL input, capacitor C 1, C2, its control utmost point connects optical coupler U1 emitter, bidirectional diode DC, capacitor C 1 other end, variable resistor PR1 activity termination optical coupler U1 positive pole, variable resistor PR2 connecting resistance R1, its activity termination bidirectional diode DC other end, capacitor C 2 other ends, the anode of bidirectional triode thyristor SCR, the resistance PR1 other end, resistance R 1 another termination electronic controller HXD imports an end, another input termination electronic controller of rectification circuit DL HXD input other end, it exports two termination electronic controller HXD output two ends; Described control circuit B is by voltage-stabiliser tube ZD1, ZD2, capacitor C 3, C4, C5, resistance R 2, R3, R4, R5, variable resistor PR3, LED 1, LED2, triode V1, V2, diode D5 is formed by connecting, capacitor C 3 meets electronic controller HXD and imports an end, its other end connecting resistance R2, resistance R 2 another termination voltage-stabiliser tube ZD1 negative poles, diode D5 positive pole, diode D5 negative pole connects capacitor C 4 positive poles, resistance R 3, R4, R5, resistance R 3 another termination variable resistor PR3, variable resistor PR3 activity termination capacitor C 5 positive poles, voltage-stabiliser tube ZD2 negative pole, voltage-stabiliser tube ZD2 positive pole connects triode V1 base stage, resistance R 5 other end sending and receiving optical diode LED1 positive poles, LED 1 negative pole connects triode V1 collector electrode, triode V2 base stage, resistance R 4 other end sending and receiving optical diode LED2 positive poles, LED 2 negative poles connect triode V2 collector electrode, voltage-stabiliser tube ZD1 positive pole, capacitor C 4, the C5 negative pole, triode V1, the V2 emitter connects the electronic controller HXD input other end.Described optical coupler U1 is made of photo resistance FW9802 and LED 2.Bidirectional triode thyristor SCR anode is imported the choke L that can connect between the end with electronic controller HXD.
Referring to Fig. 1, the operation principle of present embodiment is: press starting switch QA, power supply is logical, direct-current working volts is provided for triode V1, V2 through capacitor C 3, resistance R 2 step-downs, diode D5 halfwave rectifier, voltage-stabiliser tube ZD1 voltage stabilizing, capacitor C 4 filtering; During beginning because the existence of capacitor C 5, P point voltage among the circuit B is zero, triode V1 ends, triode V2 conducting, (about 20mA) is luminous for LED 2, photo resistance FW9802 resistance is reduced to about 2.5k Ω, make that electric current is enough to trigger bidirectional triode thyristor SCR conducting in this loop, adjust the size (getting final product control contactor high voltage direct current pick-up voltage) of the variable resistor PR1 scalable bidirectional triode thyristor SCR angle of flow, provide 120～140Vac voltage to be rectified into direct current and make solenoid JC adhesive, the LED 2 indication high voltage operation-high voltage direct current adhesive that glows to rectification circuit DL.Meanwhile, the direct current that provides is through resistance R 3, variable resistor PR3 gives capacitor C 5 chargings, P point current potential among the circuit B constantly rises, when greater than voltage-stabiliser tube ZD2 puncture voltage, triode V1 is conducting, triode V2 ends, LED 1 green light indication low voltage operating, LED 2 interrupts, the increase of photo resistance FW9802 resistance value is reached about 800k Ω, bidirectional triode thyristor SCR control utmost point trigger voltage is by variable resistor PR1, photo resistance FW9802 and resistance R 1, variable resistor PR2, bidirectional diode DC, capacitor C 1, C2 controls jointly, regulate variable resistor PR2, it is adjustable to be that low-voltage direct is kept pick-up voltage, makes bidirectional triode thyristor SCR provide 12～20Vac voltage to be rectified into direct current to rectification circuit DL and makes solenoid JC keep low dc voltage adhesive-low-voltage direct adhesive.When adjusting variable resistor PR3 resistance, change the RC charging interval, can change the high voltage direct current adhesive and hold time.Turn-offed power supply when pressing normally closed switch, solenoid JC outage, and under capacitor C 6 reverse current effects, the very fast release of contactor.
What adopt as the arc quenching system of contactor is vacuum interrupter, then is energy-efficient AC vacuum contactor.
Claims (6)
1, a kind of energy-efficient A.C. contactor, comprise shell, solenoid JC, spring, iron core, armature, sound contact and arc quenching system, it is characterized in that: comprise that also one is used for control contactor high voltage direct current pick-up voltage, high voltage direct current adhesive and holds time and convert that low-voltage direct is kept adhesive, low-voltage direct is kept the adjustable electronic controller HXD of pick-up voltage after adjustable, the high voltage direct current adhesive automatically to, this electronic controller HXD installs in the enclosure, and it imports two termination power supplys, output two termination solenoid JC two ends.
2, a kind of energy-efficient A.C. contactor according to claim 1 is characterized in that: be parallel with capacitor C 6 between described electronic controller HXD and the solenoid JC.
3, a kind of energy-efficient A.C. contactor according to claim 1, it is characterized in that: described electronic controller HXD imports an end and connects power supply M end by starting switch QA and normally closed switch TA series connection control, and electronic controller HXD imports another termination power N end.
4, a kind of energy-efficient A.C. contactor according to claim 1, it is characterized in that: described electronic controller HXD keeps attraction circuit A by high voltage direct current adhesive or low-voltage direct and control circuit B forms, circuit B control circuit A output High Level DC Voltage or output low dc voltage; Described high voltage direct current adhesive or low-voltage direct are kept attraction circuit A by bidirectional triode thyristor SCR, optical coupler U1, variable resistor PR1, PR2, resistance R 1, capacitor C 1, C2, bidirectional diode DC, rectification circuit DL is formed by connecting, the negative electrode of bidirectional triode thyristor SCR connects rectification circuit DL input, capacitor C 1, C2, its control utmost point connects optical coupler U1 emitter, bidirectional diode DC, capacitor C 1 other end, variable resistor PR1 activity termination optical coupler U1 positive pole, variable resistor PR2 connecting resistance R1, its activity termination bidirectional diode DC other end, capacitor C 2 other ends, the anode of bidirectional triode thyristor SCR, the resistance PR1 other end, resistance R 1 another termination electronic controller HXD imports an end, another input termination electronic controller of rectification circuit DL HXD input other end, it exports two termination electronic controller HXD output two ends; Described control circuit B is by voltage-stabiliser tube ZD1, ZD2, capacitor C 3, C4, C5, resistance R 2, R3, R4, R5, variable resistor PR3, LED 1, LED2, triode V1, V2, diode D5 is formed by connecting, capacitor C 3 meets electronic controller HXD and imports an end, its other end connecting resistance R2, resistance R 2 another termination voltage-stabiliser tube ZD1 negative poles, diode D5 positive pole, diode D5 negative pole connects capacitor C 4 positive poles, resistance R 3, R4, R5, resistance R 3 another termination variable resistor PR3, variable resistor PR3 activity termination capacitor C 5 positive poles, voltage-stabiliser tube ZD2 negative pole, voltage-stabiliser tube ZD2 positive pole connects triode V1 base stage, resistance R 5 other end sending and receiving optical diode LED1 positive poles, LED 1 negative pole connects triode V1 collector electrode, triode V2 base stage, resistance R 4 other end sending and receiving optical diode LED2 positive poles, LED 2 negative poles connect triode V2 collector electrode, voltage-stabiliser tube ZD1 positive pole, capacitor C 4, the C5 negative pole, triode V1, the V2 emitter connects the electronic controller HXD input other end.
5, a kind of energy-efficient A.C. contactor according to claim 4, it is characterized in that: described optical coupler U1 is made of photo resistance FW9802 and LED 2.
6, a kind of energy-efficient A.C. contactor according to claim 4 is characterized in that: bidirectional triode thyristor SCR anode is imported the choke L that can connect between the end with electronic controller HXD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02259133 CN2577431Y (en) | 2002-10-04 | 2002-10-04 | High-efficient energy-saving A.C. contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02259133 CN2577431Y (en) | 2002-10-04 | 2002-10-04 | High-efficient energy-saving A.C. contactor |
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| CN2577431Y true CN2577431Y (en) | 2003-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02259133 Expired - Fee Related CN2577431Y (en) | 2002-10-04 | 2002-10-04 | High-efficient energy-saving A.C. contactor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102129935A (en) * | 2011-03-10 | 2011-07-20 | 二一三电器深圳有限公司 | Arc quenching system for nonpolar direct current contactor |
| CN102426985A (en) * | 2011-09-20 | 2012-04-25 | 人民电器集团有限公司 | Silent electricity-saving type alternating current contactor |
| CN102737913A (en) * | 2012-07-12 | 2012-10-17 | 浙江中凯科技股份有限公司 | Energy saving device of electromagnetic system and electromagnetic system including energy saving device |
| CN107680878A (en) * | 2016-08-01 | 2018-02-09 | 利萨·德雷克塞迈尔有限责任公司 | The electro-mechanical circuit interrupter of automotive battery distributor disk and corresponding battery-allocated box |
-
2002
- 2002-10-04 CN CN 02259133 patent/CN2577431Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102129935A (en) * | 2011-03-10 | 2011-07-20 | 二一三电器深圳有限公司 | Arc quenching system for nonpolar direct current contactor |
| CN102129935B (en) * | 2011-03-10 | 2013-01-02 | 二一三电器深圳有限公司 | Arc quenching system for nonpolar direct current contactor |
| CN102426985A (en) * | 2011-09-20 | 2012-04-25 | 人民电器集团有限公司 | Silent electricity-saving type alternating current contactor |
| CN102737913A (en) * | 2012-07-12 | 2012-10-17 | 浙江中凯科技股份有限公司 | Energy saving device of electromagnetic system and electromagnetic system including energy saving device |
| CN102737913B (en) * | 2012-07-12 | 2014-11-05 | 浙江中凯科技股份有限公司 | Energy saving device of electromagnetic system and electromagnetic system including energy saving device |
| CN107680878A (en) * | 2016-08-01 | 2018-02-09 | 利萨·德雷克塞迈尔有限责任公司 | The electro-mechanical circuit interrupter of automotive battery distributor disk and corresponding battery-allocated box |
| CN107680878B (en) * | 2016-08-01 | 2019-04-05 | 利萨·德雷克塞迈尔有限责任公司 | The electro-mechanical circuit interrupter of automotive battery distributor disk and corresponding battery-allocated box |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |