CN207475423U - A kind of energy-saving controller of A.C. contactor - Google Patents
A kind of energy-saving controller of A.C. contactor Download PDFInfo
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- CN207475423U CN207475423U CN201721649546.5U CN201721649546U CN207475423U CN 207475423 U CN207475423 U CN 207475423U CN 201721649546 U CN201721649546 U CN 201721649546U CN 207475423 U CN207475423 U CN 207475423U
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 37
- 239000010703 silicon Substances 0.000 claims abstract description 37
- 230000002457 bidirectional effect Effects 0.000 claims description 30
- 230000010363 phase shift Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 230000003111 delayed effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model provides a kind of energy-saving controller of A.C. contactor, including：Rectification circuit, the rectification circuit input end are connected with ac input end, and the rectification circuit output end anode is connected with Controlled Silicon Phase-Shifted Trigger Circuit first input end, and the rectification circuit output end cathode is connected with ac contactor coil one end；The Controlled Silicon Phase-Shifted Trigger Circuit, the second input terminal are connected with delay circuit output terminal, and output terminal is connected with the ac contactor coil other end；Delay circuit, first input end is connected with the rectification circuit output end anode, second input terminal is connected with described ac contactor coil one end, the energy-saving controller of the A.C. contactor of the utility model, by carrying out direct current supply to A.C. contactor, it avoids generating eddy-current loss and magnetic hystersis loss using Alternating Current Power Supply, so as to reach energy-efficient effect.
Description
Technical field
The utility model is related to alternating-current contactor energy-saving control field more particularly to a kind of Energy Saving Controls of A.C. contactor
Device.
Background technology
A.C. contactor is a kind of widely used control electric appliance, and A.C. contactor is largely inhaled using electromagnetic coil at present
The A.C. contactor of conjunction, after ac contactor coil is powered, dynamic iron core is attracted by static iron core, is powered on, and during power-off, moves iron
Core linkage part is detached by the reaction force of spring, is disconnected main contact, is cut off the power.
And when in the prior art using AC power power supply, alternating current generates alternation when flowing through the coil of A.C. contactor
Magnetic field can generate eddy-current loss and magnetic hystersis loss, and power consumption is big, and would generally generate and make an uproar during AC contactor iron core actuation
Sound.
Invention content
For the above-mentioned prior art the problem of, the utility model embodiment provide a kind of the energy saving of A.C. contactor
Controller can reach energy-efficient effect.
A kind of energy-saving controller for A.C. contactor that the utility model embodiment provides, including：
Rectification circuit, the rectification circuit input end are connected with ac input end, the rectification circuit output end anode with
Controlled Silicon Phase-Shifted Trigger Circuit first input end is connected, the rectification circuit output end cathode and ac contactor coil one end phase
Even, for the alternating current of the ac input end to be converted to direct current；
The Controlled Silicon Phase-Shifted Trigger Circuit, the second input terminal are connected with delay circuit output terminal, output terminal and the friendship
The stream contactor coil other end is connected, and for output HIGH voltage, initial operating current is provided for the ac contactor coil；
Delay circuit, first input end are connected with the rectification circuit output end anode, and the second input terminal is exchanged with described
Contactor coil one end is connected, for providing initial suction for the ac contactor coil in the Controlled Silicon Phase-Shifted Trigger Circuit
After closing electric current, the Controlled Silicon Phase-Shifted Trigger Circuit is controlled to reduce output voltage, so that the Controlled Silicon Phase-Shifted Trigger Circuit is
The ac contactor coil, which provides, maintains operating current.
Optionally, the Controlled Silicon Phase-Shifted Trigger Circuit, including：3rd resistor, the 4th resistance, the first triode, second
Triode, the second diode, bidirectional trigger diode, bidirectional triode thyristor, the first capacitance, wherein,
Described 4th resistance one end is connected with the rectification circuit output end anode, the other end respectively with the one or three pole
The base stage of pipe is connected with the collector of second triode；
The collector of first triode is connected with 3rd resistor one end, the anode phase of emitter and the second diode
Even；
The 3rd resistor other end is connected with the rectification circuit output end anode；
The cathode of second diode respectively with described first capacitance one end and described bidirectional trigger diode one end phase
Even；
The first capacitance other end is connected with the ac contactor coil other end；
The bidirectional trigger diode other end is connected with the current controling end of bidirectional triode thyristor；
The bidirectional triode thyristor input terminal is connected with the rectification circuit output end anode, output terminal and the ac contactor
The other end of device coil is connected.
Optionally, the Controlled Silicon Phase-Shifted Trigger Circuit further includes：First resistor, second resistance and the first diode,
Wherein,
Described first resistor one end is connected with the rectification circuit output end anode, the other end and described second resistance one end
It is connected；
The second resistance other end is connected with second diode cathode with the tie point of described first capacitance one end；
First diode cathode is connected with the bidirectional triode thyristor output terminal, cathode and the first resistor and described
The tie point of second resistance is connected.
Optionally, protection circuit is further included, the protection circuit includes third diode, wherein,
The third diode cathode is connected with described ac contactor coil one end, cathode and the A.C. contactor line
The circle other end is connected.
Optionally, the delay circuit includes：5th resistance, the second capacitance, for phase shift silicon-controlled described in Delayed conducting
The second triode in trigger circuit, so as to which the Controlled Silicon Phase-Shifted Trigger Circuit be controlled to reduce output voltage, so that described can
Control silicon phase-shift trigger circuit provides maintenance operating current for the ac contactor coil, wherein,
Described 5th resistance one end is connected with the rectification circuit output end anode, the 5th resistance other end respectively with
The anode of second capacitance is connected with the base stage of second triode；
The cathode of second capacitance is connected with the A.C. contactor other end.
Optionally, second diode is general-purpose diode, for current direction in control circuit.
Optionally, first triode and second triode are NPN type triode.
Optionally, first diode is zener diode.
Optionally, the third diode is fly-wheel diode.
Optionally, second capacitance is electrolytic capacitor.
The utility model proposes a kind of A.C. contactor energy-saving controller, alternating current is converted to by rectification circuit
Direct current provides initial operating current through Controlled Silicon Phase-Shifted Trigger Circuit for ac contactor coil, meanwhile, delay circuit control
Controlled Silicon Phase-Shifted Trigger Circuit reduces output voltage and provides maintenance operating current for A.C. contactor.Exchange is supplied electricity to by direct current to connect
Tentaculum is powered, and magnetic hystersis loss and eddy-current loss in alternating magnetic field when avoiding Alternating Current Power Supply reduce the generation of reactive power, Yi Jijiao
The vibration and noise that stream contactor coil iron core can generate；High voltage is obtained by Controlled Silicon Phase-Shifted Trigger Circuit, connects exchange
The safe and reliable initial actuation of tentaculum after initial actuation, passes through delay circuit and Controlled Silicon Phase-Shifted Trigger Circuit is controlled to reduce output
Voltage provides low current to maintain the actuation of A.C. contactor, to reach energy-efficient purpose.
Description of the drawings
Fig. 1 is the electrical block diagram of the energy-saving controller of A.C. contactor that the utility model embodiment provides；
Fig. 2 is the circuit diagram of the energy-saving controller of A.C. contactor that the utility model embodiment provides.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment be only the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing
It can be configured to arrange and design with a variety of different with the component of the utility model embodiment shown.Therefore, below to
The detailed description of the embodiment of the utility model provided in attached drawing is not intended to limit the model of claimed the utility model
It encloses, but is merely representative of the selected embodiment of the utility model.Embodiment based on the utility model, those skilled in the art exist
All other embodiments obtained under the premise of creative work are not made, shall fall within the protection scope of the present invention.
During in view of using AC power power supply in the prior art, alternating current generates when flowing through the coil of A.C. contactor
Alternating magnetic field can generate eddy-current loss and magnetic hystersis loss, and power consumption is big, and would generally be generated during AC contactor iron core actuation
Noise, the utility model embodiment provides a kind of energy-saving controller of A.C. contactor, below in conjunction with the accompanying drawings to the utility model
Embodiment is described in detail：
The utility model embodiment provides a kind of energy-saving controller of A.C. contactor, suitable for the electromagnetic wire used at present
The A.C. contactor being attracted is enclosed, as shown in Figure 1 the electrical block diagram for the energy-saving controller of the A.C. contactor, including：
Rectification circuit 1, the rectification circuit input end are connected with ac input end, the rectification circuit output end anode with
Controlled Silicon Phase-Shifted Trigger Circuit first input end is connected, the rectification circuit output end cathode and 4 one end of ac contactor coil
It is connected, for the alternating current of the ac input end to be converted to direct current；
The Controlled Silicon Phase-Shifted Trigger Circuit 2, the second input terminal are connected with delay circuit output terminal, output terminal and the friendship
Stream 4 other end of contactor coil is connected, and for output HIGH voltage, initial operating current is provided for the ac contactor coil 4；
Delay circuit 3, first input end are connected with the rectification circuit output end anode, the second input terminal and ac contactor
4 one end of device coil is connected, for providing initial actuation for the ac contactor coil 4 in the Controlled Silicon Phase-Shifted Trigger Circuit
After electric current, the Controlled Silicon Phase-Shifted Trigger Circuit is controlled to reduce output voltage, so that the Controlled Silicon Phase-Shifted Trigger Circuit is institute
It states ac contactor coil 4 and maintenance operating current is provided.
Wherein, above-mentioned rectification circuit 1 uses bridge rectifier, and the alternating current of ac input end is converted into direct current
It is efficient.
In the utility model embodiment, Controlled Silicon Phase-Shifted Trigger Circuit 2 includes 3rd resistor R3, the 4th resistance R4, first
Triode BG1, the second triode BG2, the second diode D2, bidirectional trigger diode DB3, bidirectional triode thyristor, the first capacitance C1,
Wherein,
4th resistance R4 one end is connected with rectification circuit output end anode, the other end base with the first triode BG1 respectively
Pole is connected with the collector of the second triode BG2；The collector of first triode BG1 is connected with 3rd resistor R3 one end, transmitting
Pole is connected with the anode of the second diode D2；The 3rd resistor other end is connected with rectification circuit output end anode；Second diode
The cathode of D2 is connected respectively with first capacitance one end and bidirectional trigger diode DB3 one end；The first capacitance other end connects with exchanging
4 other end of tentaculum coil is connected；The bidirectional trigger diode DB3 other ends are connected with the current controling end G of bidirectional triode thyristor；It is two-way
Silicon-controlled input terminal T2 is connected with the rectification circuit output end anode, and output terminal T1 is another with the ac contactor coil 4
One end is connected.
Above-mentioned Controlled Silicon Phase-Shifted Trigger Circuit further includes first resistor R1, second resistance R2 and the first diode D1,
In, first resistor R1 one end is connected with rectification circuit output end anode, and the other end is connected with second resistance R2 one end；Second resistance
The R2 other ends are connected with the second diode D2 cathode with the tie point of first capacitance C1 one end；First diode D1 anodes with it is two-way
Silicon-controlled output terminal T1 is connected, and cathode is connected with the tie point of first resistor R1 and second resistance R2.
Wherein, above-mentioned first diode D1 is zener diode, can be with when the alternating current of ac input end fluctuates
Stablize the output voltage of bidirectional triode thyristor, so as to which ac contactor coil 4 be made reliably to be attracted；Second diode D2 is common two pole
Pipe, for current direction in control circuit；First triode BG1 and the second triode BG2 is NPN type triode.
Above-mentioned delay circuit 3 includes：5th resistance R5, the second capacitance C2, for Delayed conducting phase shift trigger for thyristor electricity
The second triode BG2 in road, so as to which Controlled Silicon Phase-Shifted Trigger Circuit be controlled to reduce output voltage, so that phase shift trigger for thyristor
Circuit provides maintenance operating current for ac contactor coil 4, wherein, the 5th resistance R5 one end and rectification circuit output end anode
It is connected, base stage of the 5th resistance R5 other ends respectively with the anode of the second capacitance C2 and the second triode BG2 is connected；Second capacitance
The cathode of C2 is connected with the A.C. contactor other end, wherein, the second capacitance C2 is electrolytic capacitor.
As shown in Fig. 2, the operation principle of the energy-saving controller of the utility model embodiment is：AC power accesses rectified current
After the input terminal of road, direct current is converted alternating current to by bridge rectifier, due to the presence of the second capacitance C2, at this time second
Triode BG2 is off state, and the voltage after rectification is through the 4th resistance R4 to the first triode BG1 base stages, BG1 base voltages
It is continuously increased to saturation, electric current gives bidirectional trigger diode DB3 after the first triode BG1 amplifications by the second diode D2
A larger trigger current is provided, while the voltage after rectification gives two-way triggering two by first resistor R1 and second resistance R2
Pole pipe DB3 is powered, after bidirectional trigger diode DB3 is connected, DB3 triggering bidirectional triode thyristor T1 conductings, it is two-way at this time can
Silicon output HIGH voltage is controlled to ac contactor coil 4, provides larger actuation power for coil, coil obtain it is electric after initially inhale
It closes；
Meanwhile delay time is set as 1~2s in the utility model embodiment, the 5th resistance R5 of delay circuit 3 with
The course of work of second capacitance C2 is：Voltage after rectification is powered by the 5th resistance R5 to the second capacitance C2, second after 1~2s
The cathode voltage raising of capacitance C2, the base voltage of the second triode BG2 are increased to saturation state, the first triode BG1 work
In cut-off state, smaller trigger current is provided to bidirectional trigger diode DB3 by first resistor R1, second resistance R2 at this time,
Bidirectional triode thyristor is made to continue low current conducting, the output voltage of bidirectional triode thyristor reduces, and one is provided for ac contactor coil 4
Small maintenance electric current ensures that ac contactor coil 4 can maintain to be attracted.Ac contactor is supplied electricity to using direct current by foregoing circuit
Device is powered, and is avoided the magnetic hystersis loss generated in alternating magnetic field during Alternating Current Power Supply and eddy-current loss, is reduced the generation of reactive power, with
And the vibration that can generate of ac contactor coil iron core and noise.
Wherein, 3rd resistor R3 and the first capacitance C1 forms phase shift integrating circuit, by the conducting for changing bidirectional triode thyristor
Angle changes the output voltage of bidirectional triode thyristor.
Optionally, the delay time of above-mentioned delay circuit is determined by the 5th resistance R5 and the second capacitance C2, can be according to reality
Border needs to be adjusted.
Optionally, the energy-saving controller of above-mentioned A.C. contactor further includes protection circuit, and protection circuit includes the three or two pole
Pipe D3, third diode D3 use fly-wheel diode, and fly-wheel diode anode is connected with ac contactor coil one end, cathode and
4 other end of ac contactor coil is connected, and for passing through the safety of other elements in third diode D3 protection circuits, exchange connects
When tentaculum coil 4 passes through electric current, induced electromotive force can be generated at its both ends, when the current vanishes, induced electromotive force can be to electricity
Element in road generates backward voltage, when backward voltage is higher than the breakdown reverse voltage of element, can make element such as triode
Etc. damaging.When flowing through the current vanishes in coil, the induced electromotive force that coil generates passes through fly-wheel diode and coil
The circuit of composition is done work and is consumed, so as to ensure that the safety of other elements in circuit.
The utility model proposes a kind of A.C. contactor energy-saving controller, converted alternating current to by rectification circuit
Direct current supplies electricity to A.C. contactor using direct current and powers, avoids the magnetic hystersis loss generated in alternating magnetic field during Alternating Current Power Supply and whirlpool
Stream loss, reduces the generation of reactive power and vibration that ac contactor coil iron core can generate and noise；Pass through the one or three
Current amplifier is obtained larger trigger current by pole pipe, makes silicon-controlled output HIGH voltage, and larger suction is provided for A.C. contactor
Power is closed, so as to the initial actuation for making A.C. contactor safe and reliable, after initial actuation, passes through delay circuit and controls the one or three pole
Pipe ends, and smaller trigger current is provided to bidirectional trigger diode by first resistor and second resistance, so that bidirectional triode thyristor
Continue low current conducting, so as to reduce the output voltage of bidirectional triode thyristor, provide low current to maintain the actuation of A.C. contactor,
Energy-efficient effect is reached by the energy-saving controller of the A.C. contactor of the utility model.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to aforementioned
The utility model is described in detail in embodiment, it will be understood by those of ordinary skill in the art that：It is any to be familiar with this skill
It, still can be to the skill recorded in previous embodiment in the technical scope that the technical staff in art field discloses in the utility model
Art scheme, which is modified or can be readily occurred in, to be changed or carries out equivalent replacement to which part technical characteristic；And these modifications,
Variation is replaced, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses.It should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model described should be wanted with right
Subject to the protection domain asked.
Claims (10)
1. a kind of energy-saving controller of A.C. contactor, which is characterized in that including：
Rectification circuit, the rectification circuit input end are connected with ac input end, the rectification circuit output end anode with it is controllable
Silicon phase-shift trigger circuit first input end is connected, and the rectification circuit output end cathode is connected with ac contactor coil one end,
For the alternating current of the ac input end to be converted to direct current；
The Controlled Silicon Phase-Shifted Trigger Circuit, the second input terminal are connected with delay circuit output terminal, and output terminal connects with described exchange
The tentaculum coil other end is connected, and for output HIGH voltage, initial operating current is provided for the ac contactor coil；
Delay circuit, first input end are connected with the rectification circuit output end anode, the second input terminal and the ac contactor
Device coil one end is connected, for providing initial actuation electricity for the ac contactor coil in the Controlled Silicon Phase-Shifted Trigger Circuit
After stream, the Controlled Silicon Phase-Shifted Trigger Circuit is controlled to reduce output voltage, so that the Controlled Silicon Phase-Shifted Trigger Circuit is described
Ac contactor coil, which provides, maintains operating current.
2. the energy-saving controller of A.C. contactor according to claim 1, which is characterized in that the phase shift trigger for thyristor
Circuit, including：
3rd resistor, the 4th resistance, the first triode, the second triode, the second diode, bidirectional trigger diode, it is two-way can
Silicon, the first capacitance are controlled, wherein,
Described 4th resistance one end is connected with the rectification circuit output end anode, the other end respectively with first triode
Base stage is connected with the collector of second triode；
The collector of first triode is connected with 3rd resistor one end, and emitter is connected with the anode of the second diode；
The 3rd resistor other end is connected with the rectification circuit output end anode；
The cathode of second diode is connected respectively with described first capacitance one end and described bidirectional trigger diode one end；
The first capacitance other end is connected with the ac contactor coil other end；
The bidirectional trigger diode other end is connected with the current controling end of bidirectional triode thyristor；
The bidirectional triode thyristor input terminal is connected with the rectification circuit output end anode, output terminal and the A.C. contactor line
The other end of circle is connected.
3. the energy-saving controller of A.C. contactor according to claim 2, which is characterized in that the phase shift trigger for thyristor
Circuit further includes：First resistor, second resistance and the first diode, wherein,
Described first resistor one end is connected with the rectification circuit output end anode, the other end and described second resistance one end phase
Even；
The second resistance other end is connected with second diode cathode with the tie point of described first capacitance one end；
First diode cathode is connected with the bidirectional triode thyristor output terminal, cathode and the first resistor and described second
The tie point of resistance is connected.
4. the energy-saving controller of A.C. contactor according to claim 1, which is characterized in that further include protection circuit, institute
It states protection circuit and includes third diode, wherein,
The third diode cathode is connected with described ac contactor coil one end, and cathode and the ac contactor coil are another
One end is connected.
5. the energy-saving controller of A.C. contactor according to claim 1, which is characterized in that the delay circuit includes：
5th resistance, the second capacitance, for the second triode in Controlled Silicon Phase-Shifted Trigger Circuit described in Delayed conducting, so as to control
Making the Controlled Silicon Phase-Shifted Trigger Circuit reduces output voltage, so that the Controlled Silicon Phase-Shifted Trigger Circuit is the ac contactor
Device coil, which provides, maintains operating current, wherein,
Described 5th resistance one end is connected with the rectification circuit output end anode, the other end respectively with second capacitance just
Pole is connected with the base stage of second triode；
The cathode of second capacitance is connected with the A.C. contactor other end.
6. the energy-saving controller of A.C. contactor according to claim 2, which is characterized in that second diode is general
Logical diode, for current direction in control circuit.
7. the energy-saving controller of A.C. contactor according to claim 2, which is characterized in that first triode and institute
It is NPN type triode to state the second triode.
8. the energy-saving controller of A.C. contactor according to claim 3, which is characterized in that first diode is steady
Press diode.
9. the energy-saving controller of A.C. contactor according to claim 4, which is characterized in that the third diode is continuous
Flow diode.
10. the energy-saving controller of A.C. contactor according to claim 5, which is characterized in that second capacitance is electricity
Solve capacitance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649546.5U CN207475423U (en) | 2017-12-01 | 2017-12-01 | A kind of energy-saving controller of A.C. contactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721649546.5U CN207475423U (en) | 2017-12-01 | 2017-12-01 | A kind of energy-saving controller of A.C. contactor |
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| CN207475423U true CN207475423U (en) | 2018-06-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148129A (en) * | 2018-06-10 | 2019-01-04 | 金嘉宏 | A kind of A.C. contactor electromagnetic coil noise-reduction energy-saving device |
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2017
- 2017-12-01 CN CN201721649546.5U patent/CN207475423U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148129A (en) * | 2018-06-10 | 2019-01-04 | 金嘉宏 | A kind of A.C. contactor electromagnetic coil noise-reduction energy-saving device |
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Granted publication date: 20180608 |