CN206685315U - Ac contactor controller - Google Patents

Ac contactor controller Download PDF

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Publication number
CN206685315U
CN206685315U CN201720436561.5U CN201720436561U CN206685315U CN 206685315 U CN206685315 U CN 206685315U CN 201720436561 U CN201720436561 U CN 201720436561U CN 206685315 U CN206685315 U CN 206685315U
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CN
China
Prior art keywords
contactor
power supply
handover module
power
source
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Withdrawn - After Issue
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CN201720436561.5U
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Chinese (zh)
Inventor
龙三平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Fly Wobaite Technology Co Ltd
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Shenzhen Fly Wobaite Technology Co Ltd
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Priority to CN201720436561.5U priority Critical patent/CN206685315U/en
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Abstract

This disclosure relates to which a kind of AC contactor controller, is related to electric field, the AC contactor controller includes A.C. contactor, start button, stop button, power supply handover module and dc source;Wherein:After start button is pressed, A.C. contactor is activated, and power supply handover module, which detects, starts timing after A.C. contactor adhesive, after the timing time of setting arrives, the power supply of A.C. contactor is switched to dc source by power supply handover module from AC power, and A.C. contactor enters attracting state;Stop button is pressed rear ac contactor coil and powered off immediately, is stopped.The power supply used when being kept after the A.C. contactor energization adhesive is dc source, eliminates the mechanicalness noise problem of A.C. contactor, is reduced due to the caused AC contactor iron core loss using AC power.

Description

AC contactor controller
Technical field
This disclosure relates to electric field, in particular it relates to a kind of ac contactor controller.
Background technology
In the prior art, in industrial power distribution equipment often using A.C. contactor come be responsible for the connection of main circuit, disjunction with And control ac motor etc..Because A.C. contactor is powered using alternating current, alternating voltage can lead to twice in each cycle Zero crossing, now electric current also can be zero, but by can increase after zero point at once, so, will cause in A.C. contactor Armature, which produces, to be vibrated and makes a noise.Moreover, in the presence of alternating voltage, the magnetic field of alternation can be produced in A.C. contactor, Magnetic flux also can periodically change with the change of voltage, hence in so that iron core can produce magnetic hystersis loss in A.C. contactor And eddy-current loss.
Utility model content
The purpose of the disclosure is to provide a kind of ac contactor controller, can be protected after the A.C. contactor energization adhesive No longer made a noise when holding, reduce the core loss of the A.C. contactor.
To achieve these goals, the disclosure provides a kind of AC contactor controller, including A.C. contactor, startup are pressed Button, stop button, power supply handover module and dc source, wherein:
The A.C. contactor is the control object of the AC contactor controller, by ac contactor coil, normally closed Contact, main contacts are formed;
The start button is normally opened button, and the A.C. contactor is started working when being pressed;
The stop button is normally closed button, and the A.C. contactor is stopped immediately when being pressed;
The power supply handover module, for after the A.C. contactor closure is detected, starting timing, the timing of setting The power supply of the ac contactor coil is switched to the dc source by the time after from AC power;
The dc source, for switching the power supply of the ac contactor coil in the power supply handover module To during the dc source direct current is provided for the ac contactor coil.
Optionally, the A.C. contactor also includes A.C. contactor normally opened contact, and the power supply handover module includes electricity Source handover module coil, power supply handover module delay normally opened contact and power supply handover module delay normally-closed contact, wherein the friendship It is as follows to flow annexation inside contactor controller:
The stop button and the ac contactor coil are composed in series the first series loop;
The power supply handover module delay normally opened contact and the dc source are composed in series the second series loop;
The start button and power supply handover module delay normally-closed contact are composed in series the 3rd series loop;
Wherein, first series loop is in parallel with second series loop, is connected back again with the described 3rd after in parallel Connect on road;
The live wire of the one termination AC power of the 3rd series loop, second series loop of another termination and The point in parallel of first series loop;
Second series loop and termination the 3rd series loop of point in parallel one of first series loop, it is another Terminate the zero line of the AC power;
The negative pole of the dc source is directly the same as the zero line short circuit of the AC power;
The A.C. contactor normally opened contact connected with the power supply handover module coil the 4th series loop to be formed by The AC power power supply.
Optionally, the output voltage U of the dc source meets below equation:
U=I*R
Wherein, I is current effective value of the A.C. contactor when the AC power is powered, and R connects for the exchange The DC resistance of tentaculum coil.
Optionally, the power supply handover module be open time-delay relay or timing class switch in any one.
Optionally, the dc source is any one in AC-DC power supplys, dry cell or battery.
The disclosure also provides a kind of A.C. contactor control method, applied to AC contactor controller recited above, Methods described includes:
The ac contactor coil is powered after pressing the start button, is powered by the AC power, the exchange Contactor adhesive, i.e., described first series loop and the 3rd series loop are powered work immediately;
The A.C. contactor normally opened contact closure, the 4th series loop energization work, the power supply handover module Coil electricity, start timing, setting timing time is disconnected to the rear power supply handover module delay normally-closed contact and the power supply Handover module delay normally opened contact closure;
After power supply handover module delay normally-closed contact disconnects, the AC power stops to the A.C. contactor Coil power supply, the 3rd series loop power-off are stopped;
The dc source is to the A.C. contactor line after the normally opened contact closure of power supply handover module delay simultaneously Circle power supply, i.e., described second series loop are started working, and the power supply handover module completes the ac contactor coil from friendship Stream power supply is changed to direct current supply;
The start button is unclamped, the A.C. contactor tends to remain on, and the A.C. contactor is by the direct current Power supply is powered.
Optionally, methods described also includes:
The stop button is pressed, the dc source stops powering to the ac contactor coil, i.e., and described first Series loop power-off is stopped;
The A.C. contactor normally opened contact disconnects, and the power supply handover module coil powers off immediately, i.e., described 4th string The power-off of connection loop is stopped;
The power supply handover module delay normally opened contact is disconnected immediately and power supply handover module delay normally-closed contact is stood Close, i.e., described second series loop power-off is stopped, and unclamps the stop button, the A.C. contactor remains open State.
Pass through above-mentioned technical proposal, A.C. contactor start after will in the presence of power supply handover module A.C. contactor The power supply of coil switches to the dc source from AC power, and power supply handover module ensures the reliable adhesive of A.C. contactor Powered afterwards using dc source, so that A.C. contactor no longer produces mechanicalness noise, and the iron of A.C. contactor can be reduced Core loss.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool Body embodiment is used to explain the disclosure together, but does not form the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is according to a kind of schematic block diagram of the AC contactor controller of embodiment of the disclosure.
Fig. 2 is the electric diagram according to the AC contactor controller of the another embodiment of the disclosure.
Fig. 3 is the electric diagram according to the AC contactor controller of the another embodiment of the disclosure.
Fig. 4 is the A.C. contactor Booting sequence figure according to a kind of A.C. contactor control method of embodiment of the disclosure.
Fig. 5 is to stop flow chart according to the A.C. contactor of the A.C. contactor control method of the another embodiment of the disclosure.
Description of reference numerals
The AC contactor controller of 1 AC power 100
The power supply handover module of 10 start button 20
The power supply handover module of 201 power supply handover module coil 202 delay normally opened contact
The 203 power supply handover modules delay dc source of normally-closed contact 30
The ac contactor coil of 40 A.C. contactor 401
The stop button of 402 A.C. contactor normally opened contact 50
60 AC-DC power supplys
Embodiment
The embodiment of the disclosure is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched The embodiment stated is merely to illustrate and explained the disclosure, is not limited to the disclosure.
Fig. 1 is the schematic block diagram according to a kind of AC contactor controller 100 of embodiment of the disclosure.As shown in figure 1, The AC contactor controller 100 includes A.C. contactor 40, start button 10, stop button 50, power supply handover module 20 With dc source 30, wherein:
The A.C. contactor 40 is the control object of the AC contactor controller 100, by ac contactor coil 401st, normally-closed contact (not shown), main contacts (not shown) are formed;
The start button 10 is normally opened button, and the A.C. contactor 40 is started working when being pressed;
The stop button 50 is normally closed button, and the A.C. contactor 40 is stopped immediately when being pressed;
The power supply handover module 20, for after detecting that the A.C. contactor 40 closes, starting timing, setting The power supply of the ac contactor coil 401 is switched to the dc source 30 by timing time after from AC power 1;
The dc source 30, for being switched to dc source in the power supply of the ac contactor coil 401 After 30 direct current is provided for ac contactor coil 401.
After A.C. contactor 40 is activated, the exchange as depicted of AC contactor controller 100 internal switching Power supply 1, so as to form circuit loop, and powered by AC power 1 for ac contactor coil 401.Power supply handover module 20 The power supply of ac contactor coil 401 is switched into dc source 30 from AC power 1 after delay, held by dc source 30 Continue and provide direct current for the ac contactor coil 401, keep the on-state of A.C. contactor 40.
Pass through above-mentioned technical proposal, the power supply used when can just be kept after the energization adhesive of A.C. contactor 40 It is dc source 30, is likely to occur when using AC power 1 to be powered so as to avoiding the A.C. contactor 40 Noise problem, and can also reduce due to the core loss of caused A.C. contactor 40 using AC power 1.
Fig. 2 is the electric diagram according to the AC contactor controller of the another embodiment of the disclosure.It is as shown in Fig. 2 described A.C. contactor 40 also includes A.C. contactor normally opened contact 402, and the power supply handover module 20 includes power supply handover module line Circle 201, power supply handover module delay normally opened contact 202 and power supply handover module delay normally-closed contact 203, wherein, the exchange The inside annexation of contactor controller 100 is as follows:
First series loop is formed by stop button 50 and ac contactor coil 401;
Power supply handover module delay normally opened contact 202 and dc source 30 form the second series loop;
Start button 10 and the delay series connection of normally-closed contact 203 of power supply handover module form the 3rd series loop;
Wherein, connected after the first series loop and the second series loop parallel connection with the 3rd series loop;
The live wire of the one termination AC power 1 of the 3rd series loop, another termination second series loop With the point in parallel of first series loop;
Second series loop and termination the 3rd series loop of point in parallel one of first series loop, it is another Terminate the zero line of the AC power 1;
The negative pole of the dc source 30 is directly the same as the zero line short circuit of the AC power 1;
The A.C. contactor normally opened contact 402 connected with the power supply handover module coil 201 formed the 4th series connection Loop is powered by AC power 1.
The Booting sequence of A.C. contactor 40 shown in Fig. 2 is:
First, after start button 10 is pressed, ac contactor coil 401 starts to be powered by AC power 1, and exchange connects Tentaculum 40 turns on.A.C. contactor normally opened contact 402 closes, and power supply handover module coil 201 is powered.Power supply handover module 20 is opened Beginning timing, timing close to rear power supply handover module delay normally opened contact 202, while power supply handover module delay normally-closed contact 203 disconnect.After power supply handover module delay normally-closed contact 203 disconnects, AC power 1 stops supplying to ac contactor coil 401 Electricity;After power supply handover module delay normally opened contact 202 closes, dc source 30 starts to power for ac contactor coil 401, So as to keep the on-state of the A.C. contactor 40.
After A.C. contactor 40 is activated, if necessary to stop A.C. contactor 40, then A.C. contactor 40 stops Fluid stopping journey is:
First, stop button 50 is pressed, the coil 401 of A.C. contactor 40 powers off, and A.C. contactor disconnects, ac contactor Device normally opened contact 402 disconnects, and the coil 201 of power supply handover module 20 powers off.Power supply handover module delay normally opened contact 202 is immediately Disconnect, while power supply handover module delay normally-closed contact 203 closes immediately.Power supply handover module 20 and A.C. contactor 40 all stop Only work, so as to no longer keep the on-state of the A.C. contactor 40, be allowed to disconnect.
Wherein, the start button 10 is a kind of normally opened button, only connects circuit in the moment pressed, and stops the external world and applies It can be again off after power, and the state remained open;The stop button 50 is a kind of normally closed button, only in the wink pressed Between can play a part of disconnecting circuit, can be closed again after extraneous force is stopped, and the state remained closed.
The schematic block diagram of AC contactor controller 100 shown in Fig. 2 is only merely in a variety of possible implementations One kind, for example, the use of power supply handover module 20 open time-delay relay realization.
For the specific connected mode of the part inside shown AC contactor controller 100, the disclosure is not limited, As long as it disclosure satisfy that the technique effect mentioned in the disclosure.For example, start button 10 and the delay of power supply handover module are normally closed Contact 203 can be with transposition, and stop button 50 and ac contactor coil 401 can be with transposition, dc source 30 and electricity Source handover module delay normally opened contact 202 can be with transposition.
Dc source 30 as shown in Figure 2 can be battery or dry cell, for being directly the A.C. contactor Coil 401 is powered.
Pass through above-mentioned technical proposal, in the A.C. contactor 40 control, it can be in the power supply handover module after starting The power supply of the ac contactor coil 401 is switched into the dc source 30 from AC power 1 in the presence of 20, and The power supply handover module 20 can be delayed open-minded, can ensure the reliable adhesive of A.C. contactor, in the A.C. contactor 40 Powered when being kept after energization adhesive using the dc source 30, so as to cause the A.C. contactor 40 no longer to produce machine Tool noise, and the core loss of the A.C. contactor 40 can be reduced.
Fig. 3 is the electric diagram according to the AC contactor controller 100 of the another embodiment of the disclosure.Shown in Fig. 3 AC contactor controller 100 in place of the difference of the AC contactor controller 100 shown in Fig. 2 with being to connect for described exchange The implementation that tentaculum coil 401 provides the dc source of direct current is different.It is that the ac contactor coil 401 carries in Fig. 2 Dc source 30 for direct current can be battery or dry cell etc., and the dc source shown in Fig. 3 is then AC-DC power supplys 60, the alternating current of AC power 1 is converted into being supplied to ac contactor coil 401 after direct current by it.
Fig. 2 and Fig. 3 respectively illustrates the specific implementation for the part that direct current is provided for the AC contactor controller 100 Method, Fig. 2 are a kind of implementation methods similar to battery or dry cell power supply, and Fig. 3 is a kind of realization of AC-DC power supplys power supply Method.
Pass through above-mentioned technical proposal, it is in the AC contactor controller 100 to give one kind using AC-DC power supplys 60 In be scheme that the A.C. contactor 40 provides power supply so that the AC contactor controller 100 has more kinds of realities Existing method.
In a kind of possible embodiment, the output voltage U satisfactions of the dc source 30 or AC-DC power supplys 60 are following Formula:
U=I*R
Wherein, I is current effective value of the A.C. contactor 40 when AC power 1 is powered, and R is the ac contactor The DC resistance of device coil 401.
Pass through above-mentioned technical proposal, a ginseng is provided for the output voltage of the dc source 30 and AC-DC power supplys 60 Value is examined, has further ensured that the dc source 30 and AC-DC power supplys 60 provide direct current for the AC contactor controller 100 Stability when electric.
In a kind of possible embodiment, the power supply handover module 20 is to open time-delay relay or timer class is opened Any one of the Central Shanxi Plain.
Pass through above-mentioned technical proposal, the power supply handover module 20 is made to open time-delay relay or timer class switch, So, just can the A.C. contactor 40 it is electric after, for switching power supply when operation increase certain stability, keep away Exempted from because AC power 1 it is unstable in the case of caused A.C. contactor abnormal operation.
The disclosure also provides a kind of A.C. contactor control method, applied to above-mentioned AC contactor controller 100, root According to Booting sequence figure in the A.C. contactor control method of disclosure embodiment as shown in figure 4, the method comprising the steps of S401 To step S405.
Step S401, press start button 10.
Step S402, ac contactor coil 401 are powered by AC power 1, and A.C. contactor 40 is started working, and exchange connects Tentaculum normally open contact 402 closes.
Step 403, power supply handover module coil 201 is powered, and starts timing.
Step 404, timing time arrives, and power supply handover module prolongs power supply handover module delay normally opened contact 202 closure simultaneously When normally-closed contact 203 disconnect.Power supply handover module delay normally-closed contact 202 disconnects AC power 1 to A.C. contactor after disconnecting The power supply of coil 401, and be A.C. contactor line by dc source 30 after power supply handover module delay normally opened contact 202 closes The power supply of circle 401.
Step 405, start button 10 is unclamped, A.C. contactor 40 is powered by dc source 30 and keeps attracting state.
Pass through above-mentioned technical proposal, a kind of method for controlling A.C. contactor 40 to start is given, can be in the exchange Contactor 40 it is electric after, its power supply is switched into dc source 30 from AC power 1, so as to ensure in the friendship The power supply used when being kept after the stream energization adhesive of contactor 40 is dc source 30, so as to avoid the A.C. contactor 40 noise problems being likely to occur when using AC power 1 to be powered, and can also reduce due to using AC power 1 And the core loss of caused A.C. contactor 40.
Fig. 5 is the stream for the method for stopping A.C. contactor in the A.C. contactor control method according to disclosure embodiment Cheng Tu.In this method, methods described includes step S501 to step S504.
Step S501, after stop button 50 is pressed, dc source 30 stops to ac contactor coil 401 immediately Power supply.
Step S502, A.C. contactor 40 disconnect, while A.C. contactor normally opened contact 402 disconnects.
Step S503, power supply handover module coil 201 are powered off, are stopped.Power supply handover module delay normally opened contact 202 Disconnect immediately, while power supply handover module delay normally-closed contact 203 closes immediately.
Step S504, unclamps stop button 50, and A.C. contactor 40 remains off.
Pass through above-mentioned technical proposal, a kind of method for controlling the A.C. contactor 40 to stop is given, can stopped After button 50 is pressed, ensure that A.C. contactor 40 is stopped, so, the further perfect A.C. contactor 40 is cut The method for changing power of alterating and direct current.
The preferred embodiment of the disclosure is described in detail above in association with accompanying drawing, still, the disclosure is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical scheme of the disclosure Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the disclosure to it is various can The combination of energy no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought, it should equally be considered as disclosure disclosure of that.

Claims (5)

1. a kind of AC contactor controller, it is characterised in that cut including A.C. contactor, start button, stop button, power supply Block and dc source are changed the mold, wherein:
The A.C. contactor is the control object of the AC contactor controller, by ac contactor coil, normally-closed contact, Main contacts is formed;
The start button is normally opened button, and the A.C. contactor is started working when being pressed;
The stop button is normally closed button, and the A.C. contactor is stopped immediately when being pressed;
The power supply handover module, for after the A.C. contactor closure is detected, starting timing, the timing time of setting The power supply of the ac contactor coil is switched into the dc source from AC power after;
The dc source, for being institute when the power supply of the ac contactor coil is switched to the dc source State ac contactor coil and direct current is provided.
2. AC contactor controller according to claim 1, it is characterised in that the A.C. contactor also includes exchange Contactor normally opened contact, the power supply handover module include power supply handover module coil, power supply handover module delay normally opened contact With power supply handover module be delayed normally-closed contact, wherein the AC contactor controller inside annexation it is as follows:
The stop button and the ac contactor coil are composed in series the first series loop;
The power supply handover module delay normally opened contact and the dc source are composed in series the second series loop;
The start button and power supply handover module delay normally-closed contact are composed in series the 3rd series loop;
Wherein, first series loop is in parallel with second series loop, again with the 3rd series loop string after parallel connection Connection;
The live wire of the one termination AC power of the 3rd series loop, another termination second series loop and described The point in parallel of first series loop;
Second series loop and termination the 3rd series loop of point in parallel one of first series loop, another termination The zero line of the AC power;
The negative pole of the dc source is directly the same as the zero line short circuit of the AC power;
The A.C. contactor normally opened contact connects the 4th series loop to be formed with the power supply handover module coil by described AC power is powered.
3. AC contactor controller according to claim 1, it is characterised in that the output voltage U of the dc source Meet below equation:
U=I*R
Wherein, I is current effective value of the A.C. contactor when the AC power is powered, and R is the A.C. contactor The DC resistance of coil.
4. AC contactor controller according to claim 1, it is characterised in that the power supply handover module is to open to prolong When relay or timer class switch in any one.
5. AC contactor controller according to claim 1, it is characterised in that the dc source be AC-DC power supplys, Any one in dry cell or battery.
CN201720436561.5U 2017-04-24 2017-04-24 Ac contactor controller Withdrawn - After Issue CN206685315U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106997828A (en) * 2017-04-24 2017-08-01 深圳飞沃拜特技术有限公司 AC contactor controller and its control method
CN113933628A (en) * 2021-10-11 2022-01-14 中船黄埔文冲船舶有限公司 Device and method for measuring multi-power supply conversion time of ship

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106997828A (en) * 2017-04-24 2017-08-01 深圳飞沃拜特技术有限公司 AC contactor controller and its control method
CN106997828B (en) * 2017-04-24 2019-11-15 深圳飞沃拜特技术有限公司 AC contactor controller and its control method
CN113933628A (en) * 2021-10-11 2022-01-14 中船黄埔文冲船舶有限公司 Device and method for measuring multi-power supply conversion time of ship

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Granted publication date: 20171128

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