CN204167205U - Three-winding magnetic suck cut-offs A.C. contactor circuit - Google Patents
Three-winding magnetic suck cut-offs A.C. contactor circuit Download PDFInfo
- Publication number
- CN204167205U CN204167205U CN201420624411.3U CN201420624411U CN204167205U CN 204167205 U CN204167205 U CN 204167205U CN 201420624411 U CN201420624411 U CN 201420624411U CN 204167205 U CN204167205 U CN 204167205U
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- Prior art keywords
- contactor
- coil
- armature
- live wire
- cut
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Abstract
The utility model discloses three-winding magnetic suck and cut-off A.C. contactor circuit, A.C. contactor comprises ac contactor coil and A.C. contactor armature, A.C. contactor fixed contact, ac contactor coil is connected between zero line and live wire, A.C. contactor fixed contact, ac contactor coil is all arranged on a pedestal, one end of pillar is connected with release crotch by rotating shaft, release crotch is connected with back-moving spring away from one end of pillar, its A.C. contactor armature is placed on the side of ac contactor coil away from pedestal, A.C. contactor armature is provided with locking clamp, breaking coil is arranged on the side of release crotch away from ac contactor coil, the armature that cut-offs that one end of breaking coil is in series with relay is successively connected in zero line, the other end of brake cable circle is connected in live wire, second resistance is also connected to one end of capacitor with the tie point cut-offfing armature, the other end access live wire of capacitor, also comprise the coil of relay, live wire received by the coil of relay.
Description
Technical field
The utility model relates to A.C. contactor technology, and specifically three-winding magnetic suck cut-offs A.C. contactor circuit.
Background technology
A.C. contactor forms primarily of four parts: (1) electromagnetic system, comprises sucking coil, dynamic iron core and static iron core; (2) contact system, comprises three groups of main contacts and one to two group is often opened, normally closed auxiliary contact, and it and dynamic iron core connect together and link mutually; (3) arc-control device, the A.C. contactor that general capacity is larger is all provided with arc-control device, so that rapid breaking arc, avoids burning out main contact; (4) insulation crust and annex, various spring, transmission mechanism, short-circuited conducting sleeve, binding post etc.Its operation principle is: when the coil is energized, and static iron core produces electromagnetic attraction, will move iron core adhesive, and because contact system and dynamic iron core link, therefore dynamic iron core drives three movable contact springs to run simultaneously, the closing of contact, thus switches on power.When the coil is de-energized, suction disappears, and dynamic iron core interlock part relies on the reaction force of spring and is separated, and main contact is disconnected, cuts off the electricity supply.
Wiring in A.C. contactor access three-phase current is: one: general three-phase contactor one has 8 points, and three tunnel inputs, three tunnels export, and are two, control point in addition.It is corresponding for exporting and inputting, and is easy to find out.If add self-locking, then also need from a terminal of output point, line to be received above control point.Two: the principle that first it will be appreciated that A.C. contactor.He is added on coil with extraneous power supply, generates an electromagnetic field.Power up adhesive, after power-off, contact point just disconnects.After knowing principle, you should understand the contact of additional power source, namely two contacts of coil, generally in the bottom of contactor, and respectively exist.Other several roads input and output are known at a glance generally on top.The voltage being also noted that additional power source is how many (220V or 380V), generally all marks have.And notice that contact point is normally closed or often opens.If have from lock control, just passable according to principle one line.
In the prior art, A.C. contactor is generally in running, its coil is in live line work state for a long time, therefore not only can consumed energy, coil can be burnt out because of overvoltage sometimes, and, it is in running, because electric current flows through coil, strong noise can be produced, therefore, we are devoted to solution can at instantaneous trigger A.C. contactor, make having under electricity condition, its armature closes, after armature has closed, auto-breaking, and armature can not reset, only under system power supply powering-off state, armature resets.
Utility model content
The purpose of this utility model is to provide a kind of three-winding magnetic suck that is simple, safe, effective, low cost to cut-off A.C. contactor circuit, solution can at instantaneous trigger A.C. contactor, make having under electricity condition, its armature closes, after armature has closed, auto-breaking, and armature can not reset, only under system power supply powering-off state, armature resets.
The purpose of this utility model is achieved through the following technical solutions: three-winding magnetic suck cut-offs A.C. contactor circuit, comprise A.C. contactor, A.C. contactor comprises ac contactor coil and A.C. contactor armature, A.C. contactor fixed contact, first resistance, first reset switch, ac contactor coil is connected between zero line and live wire after connecting successively, also comprise breaking coil, A.C. contactor fixed contact, A.C. contactor armature is all from being connected in zero line and live wire, what one end of breaking coil was in series with relay successively cut-offs armature, second resistance, first diode, first diode is connected in zero line, the other end of breaking coil is connected in live wire, second resistance is also connected to one end of capacitor with the tie point cut-offfing armature, the other end access live wire of capacitor, also comprise second diode of connecting successively, 3rd resistance, the coil of relay, zero line received by second diode, live wire received by the coil of relay.Cut-off armature two ends and be parallel with hand switch, in zero line and live wire, be provided with fuse
.main disconnection pass is provided with in zero line and live wire.
According to the energy saving ac contactor system that foregoing circuit is formed, comprise A.C. contactor, A.C. contactor comprises ac contactor coil and A.C. contactor armature, A.C. contactor fixed contact, first resistance, first reset switch, ac contactor coil is connected between zero line and live wire after connecting successively, A.C. contactor fixed contact, ac contactor coil is all arranged on a pedestal, this pedestal is also provided with pillar, one end of pillar is connected with release crotch by rotating shaft, release crotch is connected with back-moving spring away from one end of pillar, its A.C. contactor armature is placed on the side of ac contactor coil away from pedestal, A.C. contactor armature is provided with locking clamp, A.C. contactor armature one end can around an axis of rotation, also comprise breaking coil, breaking coil is arranged on the side of release crotch away from ac contactor coil, A.C. contactor fixed contact, A.C. contactor armature is all from being connected in zero line and live wire, what one end of breaking coil was in series with relay successively cut-offs armature, second resistance, first diode, first diode is connected in zero line, the other end of brake cable circle is connected in live wire, second resistance is also connected to one end of capacitor with the tie point cut-offfing armature, the other end access live wire of capacitor, also comprise second diode of connecting successively, 3rd resistance, the coil of relay, zero line received by second diode, live wire received by the coil of relay.
Locking clamp is an insulation board.
Cut-off armature two ends and be parallel with hand switch.
The shape of release crotch is semicircle, is provided with multiple groove to bow line edge direction indent on semicircular string of a musical instrument limit.
The design principle of said system is: the running status of the first reset switch is, can reset after pressing down, namely we are in an initial condition, press the first reset switch, ac contactor coil now switches on power, at this moment, ac contactor coil produces magnetic, thus attract A.C. contactor armature to move towards ac contactor coil direction, at this moment, under the effect of release crotch, locking clamp is released groove on crotch to blocking, at this moment, even if the first reset switch is in reset mode, after ac contactor coil power-off, the position of A.C. contactor armature is in invariant state, at this moment, A.C. contactor armature and A.C. contactor fixed contact are abutted against, three-phase circuit conducting, capacitor in circuit is through the first diode, charging is started after second resistance, the coil conduction of relay, the armature that cut-offs of relay disconnects, at this moment breaking coil no power.When power outage, the coil of relay is non-conductive, and the armature that cut-offs of relay is released, and cut-off armature and be switched on, electric heater starts electric discharge, and breaking coil is energized, and at this moment, release crotch is by the magnetic attraction of breaking coil, and release crotch is separated with locking clamp.A.C. contactor armature resets, and A.C. contactor armature at this moment and A.C. contactor fixed contact disconnect, and three-phase AC line disconnects.Operationally, when having emergency, can press hand switch, breaking coil is energized, and at this moment, release crotch is by the magnetic attraction of breaking coil, and release crotch is separated with locking clamp.A.C. contactor armature resets, and A.C. contactor armature at this moment and A.C. contactor fixed contact disconnect, and three-phase AC line disconnects.
The utility model has the advantage of: structure is simple, cost is low, simple and quick, can realize A.C. contactor combination unit fast, easily, solution can at instantaneous trigger A.C. contactor, make having under electricity condition, its armature closes, after armature has closed, auto-breaking, and armature can not reset, only under system power supply powering-off state, armature resets.
Accompanying drawing explanation
Fig. 1 is object construction figure of the present utility model.
Fig. 2 is circuit diagram of the present utility model.
Reference numeral in figure is expressed as: TQ, breaking coil; 2, back-moving spring; JZQ, A.C. contactor pull-in winding; JZQ1, A.C. contactor are inhaled and armature; 5, locking clamp; 6, A.C. contactor fixed contact; 7, crotch is discharged.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment 1:
As Figure 1-Figure 2.
The purpose of this utility model is achieved through the following technical solutions: three-winding magnetic suck cut-offs A.C. contactor circuit, comprise A.C. contactor, A.C. contactor comprises ac contactor coil JZQ and A.C. contactor armature JZQ1, A.C. contactor fixed contact 6, first resistance 2RD, first reset switch QA, be connected to after ac contactor coil JZQ connects successively between zero line and live wire, also comprise breaking coil TQ, A.C. contactor fixed contact 6, A.C. contactor armature JZQ1 is from being connected in zero line and live wire, what one end of breaking coil TQ was in series with relay J successively cut-offs armature J1, second resistance R4, first diode Z1, first diode Z1 is connected in zero line, the other end of breaking coil TQ is connected in live wire, second resistance R4 is also connected to one end of capacitor C with the tie point cut-offfing armature J1, the other end access live wire of capacitor C, also comprise the second diode Z2 connected successively, 3rd resistance R2, the coil of relay J, second diode Z2 receives zero line, live wire received by the coil of relay J.Cut-off armature J1 two ends and be parallel with hand switch TA, in zero line and live wire, be provided with fuse
.main disconnection pass HK is provided with in zero line and live wire.
According to the energy saving ac contactor system that foregoing circuit is formed, comprise A.C. contactor, A.C. contactor comprises ac contactor coil JZQ and A.C. contactor armature JZQ1, A.C. contactor fixed contact 6, first resistance 2RD, first reset switch QA, be connected to after ac contactor coil JZQ connects successively between zero line and live wire, A.C. contactor fixed contact 6, ac contactor coil JZQ is arranged on a pedestal, this pedestal is also provided with pillar, one end of pillar is connected with release crotch 7 by rotating shaft, release crotch 7 is connected with back-moving spring 2 away from one end of pillar, its A.C. contactor armature JZQ1 is placed on the side of ac contactor coil JZQ away from pedestal, A.C. contactor armature JZQ1 is provided with locking clamp 5, A.C. contactor armature JZQ1 one end can around an axis of rotation, also comprise breaking coil TQ, breaking coil TQ is arranged on the side of release crotch 7 away from ac contactor coil JZQ, A.C. contactor fixed contact 6, A.C. contactor armature JZQ1 is from being connected in zero line and live wire, what one end of breaking coil TQ was in series with relay J successively cut-offs armature J1, second resistance R4, first diode Z1, first diode Z1 is connected in zero line, the other end of brake cable circle TQ is connected in live wire, second resistance R4 is also connected to one end of capacitor C with the tie point cut-offfing armature J1, the other end access live wire of capacitor C, also comprise the second diode Z2 connected successively, 3rd resistance R2, the coil of relay J, second diode Z2 receives zero line, live wire received by the coil of relay J.
Locking clamp is an insulation board.
Cut-off armature J1 two ends and be parallel with hand switch TA.
The shape of release crotch is semicircle, is provided with multiple groove to bow line edge direction indent on semicircular string of a musical instrument limit.
The design principle of said system is: the running status of the first reset switch QA is, can reset after pressing down, namely we are in an initial condition, press the first reset switch QA, ac contactor coil JZQ now switches on power, at this moment, ac contactor coil JZQ produces magnetic, thus attract A.C. contactor armature JZQ1 to move towards ac contactor coil JZQ direction, at this moment, under the effect of release crotch, locking clamp 5 is released groove on crotch to blocking, at this moment, even if the first reset switch QA is in reset mode, after ac contactor coil JZQ power-off, the position of A.C. contactor armature JZQ1 is in invariant state, at this moment, A.C. contactor armature JZQ1 and A.C. contactor fixed contact 6 are abutted against, three-phase circuit conducting, capacitor C in circuit is through the first diode Z1, charging is started after second resistance R4, the coil conduction of relay J, the armature J1 that cut-offs of relay J disconnects, at this moment breaking coil TQ no power.When power outage, the coil of relay J is non-conductive, and the armature J1 that cut-offs of relay J is released, cut-off armature J1 to be switched on, electric heater starts electric discharge, and breaking coil TQ is energized, at this moment, release crotch 7 is by the magnetic attraction of breaking coil TQ, and release crotch 7 is separated with locking clamp 5.A.C. contactor armature JZQ1 resets, and A.C. contactor armature JZQ1 at this moment and A.C. contactor fixed contact 6 disconnect, and three-phase AC line disconnects.Operationally, when having emergency, can press hand switch TA, breaking coil TQ is energized, and at this moment, release crotch 7 is by the magnetic attraction of breaking coil TQ, and release crotch 7 is separated with locking clamp 5.A.C. contactor armature JZQ1 resets, and A.C. contactor armature JZQ1 at this moment and A.C. contactor fixed contact 6 disconnect, and three-phase AC line disconnects.
As mentioned above, then well the utility model can be realized.
Claims (4)
1. three-winding magnetic suck cut-offs A.C. contactor circuit, it is characterized in that: comprise A.C. contactor, A.C. contactor comprises ac contactor coil (JZQ) and A.C. contactor armature (JZQ1), A.C. contactor fixed contact (6), first resistance (2RD), first reset switch (QA), ac contactor coil (JZQ) is connected between zero line and live wire after connecting successively, also comprise breaking coil (TQ), A.C. contactor fixed contact (6), A.C. contactor armature (JZQ1) is all from being connected in zero line and live wire, what one end of breaking coil (TQ) was in series with relay (J) successively cut-offs armature (J1), second resistance (R4), first diode (Z1), first diode (Z1) is connected in zero line, the other end of breaking coil (TQ) is connected in live wire, second resistance (R4) is also connected to one end of capacitor (C) with the tie point cut-offfing armature (J1), the other end access live wire of capacitor (C), also comprise second diode (Z2) of connecting successively, 3rd resistance (R2), the coil of relay (J), zero line received by second diode (Z2), live wire received by the coil of relay (J).
2. three-winding magnetic suck according to claim 1 cut-offs A.C. contactor circuit, it is characterized in that: cut-off armature (J1) two ends and be parallel with hand switch (TA).
3. three-winding magnetic suck according to claim 1 cut-offs A.C. contactor circuit, it is characterized in that: be provided with fuse in zero line and live wire
.
4. three-winding magnetic suck according to claim 1 cut-offs A.C. contactor circuit, it is characterized in that: be provided with main disconnection pass (HK) in zero line and live wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420624411.3U CN204167205U (en) | 2014-10-27 | 2014-10-27 | Three-winding magnetic suck cut-offs A.C. contactor circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420624411.3U CN204167205U (en) | 2014-10-27 | 2014-10-27 | Three-winding magnetic suck cut-offs A.C. contactor circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204167205U true CN204167205U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420624411.3U Expired - Fee Related CN204167205U (en) | 2014-10-27 | 2014-10-27 | Three-winding magnetic suck cut-offs A.C. contactor circuit |
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| CN (1) | CN204167205U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332356A (en) * | 2014-10-27 | 2015-02-04 | 成都锐奕信息技术有限公司 | AC (Alternating Current) contactor circuit |
-
2014
- 2014-10-27 CN CN201420624411.3U patent/CN204167205U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332356A (en) * | 2014-10-27 | 2015-02-04 | 成都锐奕信息技术有限公司 | AC (Alternating Current) contactor circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20151027 |
|
| EXPY | Termination of patent right or utility model |