CN205303335U - Modular ac contactor - Google Patents
Modular ac contactor Download PDFInfo
- Publication number
- CN205303335U CN205303335U CN201520968787.0U CN201520968787U CN205303335U CN 205303335 U CN205303335 U CN 205303335U CN 201520968787 U CN201520968787 U CN 201520968787U CN 205303335 U CN205303335 U CN 205303335U
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- CN
- China
- Prior art keywords
- contactor
- contact
- control circuit
- relay
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model discloses a modular ac contactor belongs to the three phase motor controlgear field that exchanges, and the ac contactor and the AC relay that are installed outside the casing by an actuation ware constitute, a control for motor more than the 80A. The mutual control circuit that modular ac contactor adopted is: power connection A1 looks of ac contactor actuation ware coil, another branch two tunnel: connect the button often to divide switch (K2) all the way, another way process self control circuit, AC relay control circuit and button normally on switch (K5), (K6), (K4) reach and often divide switch (K1) power connection C1 looks. Connecting to neutral line of AC relay actuation ware coil, another connects the ac contactor power to be qualified for the next round of competitions on the B2, lacks the phase time mutually when power any, can the automatic disconnection power, the protection motor exempts from the damage.
Description
Technical field
This utility model relates to a kind of A.C. contactor, belongs to AC three-phase motor control field.
Background technology
Existing A.C. contactor is to connect power supply A phase with attracting device coil one, and two-way is divided in other end: a road connects the normal switch-dividing of button, belongs to start-up circuit; Another road through self control circuit and button Chang Hechang switch-dividing line point, connect power supply C phase, owing to B phase does not enter into control circuit, when B phase short of electricity, A.C. contactor can not deenergization, it is easy to cause that phase-defect of motor damages.
Utility model content
In order to solve the problems referred to above, this utility model provides a kind of combination type A.C. contactor, attracting device be arranged on the A.C. contactor of hull outside and AC relay forms, for the 80A control with upper motor. The control circuit of combination type A.C. contactor is to connect power supply A1 phase with A.C. contactor attracting device coil one, and two-way is divided in other end: wherein a road connects the normal switch-dividing one end of button, belongs to start-up circuit. Contact is determined through self control circuit in another road, moving contact, AC relay control circuit determine contact, moving contact, button Chang Hechang switch-dividing line point, connect power supply C1 phase. One connecting to neutral line of the attracting device coil of AC relay, other end connects on AC contact electric power outlet B2, and when any phase phase shortage of power supply, combination type A.C. contactor energy auto power off, protection motor exempts from phase shortage and damages.
Described combination type A.C. contactor, it is arranged on the A.C. contactor of hull outside by an attracting device and an AC relay forms. Its parts are: a housing, the wooden one-tenth cuboid of electricity consumption, downside band attracting device base, for installing the parts of A.C. contactor and AC relay. The parts of composition A.C. contactor have: the three pairs of power supplys determine contact and pair of control circuit determines contact, make bent plate shape with copper material, are separately mounted to the both sides of housing upper. One movable contact frame, the wooden one-tenth of electricity consumption, it is arranged on housing central section. Three power supply moving contacts and an elastic copper material of control circuit moving contact are made plate shaped, are arranged on movable contact frame top. One attracting device frame, makes crank arm type with sheet iron. One heel piece, makes with channel. A pair iron core, makes with ferrosilicon, makes " one " font for one and is arranged on attracting device frame bottom, makes m shape for one, and during installation, breach is upwards, and " one " font iron core is symmetrically mounted between attracting device frame and heel piece.One coil, is arranged in the middle of iron core, a spring, is arranged between attracting device frame and heel piece. One couple axle with pitman arm, makes with bakelite, and one is arranged in attracting device frame aperture, and one is arranged on lower housing portion. Two bakelite sleeve blocks are arranged on couple axle two ends, and are fixed on attracting device base. One connecting rod, makes cuboid with bakelite, and one is arranged under movable contact frame, and other end is arranged on the pitman arm on couple axle. One case lid, the wooden rectangularity of electricity consumption, it is arranged on case top. One bakelite casing base, is arranged on housing bottom. The parts of AC relay are: pair of control circuit determines contact. Make bent plate shape with copper material, be arranged on housing upper. One movable contact frame, the wooden one-tenth of electricity consumption, it is arranged on housing central section. One control circuit moving contact, makes plate shaped with elastic copper material, is arranged on movable contact frame top. A pair attracting device iron core, m shape is made with ferrosilicon, during installation, one breach is downward, one breach is upwards, being symmetrically mounted between attracting device frame and heel piece, a coil is arranged in the middle of iron core, and a spring is mounted above in the middle of iron core and between coil, one square bakelite casing base, is arranged on housing bottom.
Below in conjunction with Figure of description and embodiment, this utility model is described in further detail.
Accompanying drawing explanation
Fig. 1, it is that combination type A.C. contactor keeps flat top view cross section.
Fig. 2, it is that combination type A.C. contactor keeps flat front cross-sectional view.
Fig. 3, it is that combination type A.C. contactor keeps flat side cutaway view.
Fig. 4, attracting device side cut away view.
Fig. 5, AC relay keep flat side cutaway view.
Fig. 6, circuit diagram.
In Fig. 1, Fig. 2, Fig. 5: attracting device is arranged on the A.C. contactor part of hull outside to be had: (1) housing; (2) electric power incoming line determines contact; (3) power outlet determines contact; (4) control circuit determines contact; (5) control circuit determines contact; (6) movable contact frame; (7) power supply moving contact; (8) control circuit moving contact; (9) attracting device frame; (10) heel piece; (11) attracting device ferrum core; (12) attracting device coil; (13) attracting device spring; (14) couple axle; (15) sleeve block; (16) connecting rod; (17) case lid; (18) casing base. AC relay part has: (19) control circuit determines contact; (20) control circuit determines contact; (21) movable contact frame; (22) control circuit moving contact; (23) attracting device ferrum core; (24) attracting device coil; (25) spring; (26) casing base.
In Fig. 6: A.C. contactor part: (2) electric power incoming line determines contact, (3) power outlet determines contact, (4) control circuit determines contact, (5) control circuit determines contact, (7) power supply moving contact, (8) control circuit moving contact, (11) attracting device iron core, (12) attracting device coil. AC relay part: (19) control circuit determines contact, (20) control circuit determines contact, (22) control circuit moving contact, (23) attracting device iron core, (24) coil; (K1) the normal switch-dividing of button determines contact, (K2) the normal switch-dividing of button determines contact, (K3) the normal switch-dividing moving contact of button, (K4) the normal combination switch of button determines contact, (K5) the normal combination switch of button determines contact, (K6) the normal combination switch moving contact of button.
Detailed description of the invention:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, Fig. 6: this utility model combination type A.C. contactor, attracting device it is arranged on the A.C. contactor of hull outside and AC relay forms. The control circuit of combination type A.C. contactor is to meet power supply (A with A.C. contactor attracting device coil (12)1) phase, other end divides two-way to connect, and a road meets the normal switch-dividing (K of button2), belong to start-up circuit;Another road connects ac contactor control circuit and determine contact (4), moving contact (8), determines contact (5), and connection AC relay control circuit is determined contact (20), moving contact (22), determines contact (19), connected the normal combination switch of button again and determine contact (K5), moving contact (K6), determine contact (K4), the normal switch-dividing of button (K1), be finally connected to electric power incoming line (C1) on, (24) connecting to neutral lines of AC relay attracting device coil, other end meets the power outlet (B that A.C. contactor controls2) on. (A1), (B1), (C1) connect power supply, (A2), (B2), (C2) connect motor. Normal switch-dividing moving contact (K is pressed during startup3), press normal combination switch moving contact (K during stopping6)��
Claims (1)
1. combination type A.C. contactor, it is arranged on the A.C. contactor of hull outside by attracting device and AC relay forms, for the 80A control with upper motor, the mutual control circuit of combination type A.C. contactor employing is: the attracting device coil of A.C. contactor (12) meets power supply (A1) phase, other end divides two-way to connect, and a road connects the normal switch-dividing of button and determines contact (K2), belongs to start-up circuit; Another road connects ac contactor control circuit and determine contact (4), moving contact (8), determines contact (5) connection AC relay control circuit and determine contact (20), moving contact (22), determine contact (19) and connect normal combination switch to determine contact (K5), moving contact (K6), determine contact (K4), connect normal switch-dividing and determine contact (K1), be finally connected on power supply (C1); (24) connecting to neutral lines of the pull-in winding of AC relay, other end meets AC contact electric power outlet (B2)��
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520968787.0U CN205303335U (en) | 2015-11-23 | 2015-11-23 | Modular ac contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520968787.0U CN205303335U (en) | 2015-11-23 | 2015-11-23 | Modular ac contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205303335U true CN205303335U (en) | 2016-06-08 |
Family
ID=56461947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520968787.0U Expired - Fee Related CN205303335U (en) | 2015-11-23 | 2015-11-23 | Modular ac contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205303335U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735553A (en) * | 2017-04-25 | 2018-11-02 | 刘成福 | Open-phase protection formula A.C. contactor |
| CN109861173A (en) * | 2017-11-30 | 2019-06-07 | 刘成福 | AC three-phase motor open phase protector |
-
2015
- 2015-11-23 CN CN201520968787.0U patent/CN205303335U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735553A (en) * | 2017-04-25 | 2018-11-02 | 刘成福 | Open-phase protection formula A.C. contactor |
| CN109861173A (en) * | 2017-11-30 | 2019-06-07 | 刘成福 | AC three-phase motor open phase protector |
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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: 20160608 Termination date: 20171123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |