CN201927550U - Reversing contactor - Google Patents
Reversing contactor Download PDFInfo
- Publication number
- CN201927550U CN201927550U CN2011200276723U CN201120027672U CN201927550U CN 201927550 U CN201927550 U CN 201927550U CN 2011200276723 U CN2011200276723 U CN 2011200276723U CN 201120027672 U CN201120027672 U CN 201120027672U CN 201927550 U CN201927550 U CN 201927550U
- Authority
- CN
- China
- Prior art keywords
- conductive plate
- respectively arranged
- movable contact
- movable
- shell
- 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 - Lifetime
Links
Images
Landscapes
- Magnetic Treatment Devices (AREA)
Abstract
The utility model discloses a reversing contactor comprising an outer shell. The upper end of the outer shell is provided with three binding posts side by side, the left side and the right side of the lower end of the outer shell are respectively provided with coils. The left end and the right end of the interior of the outer shell are respectively provided with U-shaped conducting plates, and the upper end and the lower end of the interior of the outer shell are respectively provided with a normally open conducting plate and a normally closed conducting plate. The binding posts on the left side and the right side of the upper end of the outer shell are respectively connected with the corresponding U-shaped conducting plates, and a middle binding post is connected with the normally opene conducting plate. The left end and the right end of the interior of the outer shell are further respectively provided with movable reeds capable of moving up and down, the upper ends and the lower ends of the movable reeds are respectively provided with springs, the movable reeds are clamped in the outer shell by the springs, the lower end of each movable reed is provided with a drive rod, and the drive rod extends out of the outer shell. The coils are wound on a coil rack, the coil rack is connected with the lower end of the outer shell, a static iron core is arranged at the upper part of the coil rack, the interior of the coil rack is provided with a movable iron core capable of moving up and down, and the drive rod extends into the coil rack through the static iron core.
Description
Technical field
The utility model relates to contactor, especially relates to the directional contactor that is used for the commutation of power supply positive and negative electrode.
Background technology
Contactor is meant that utilizing coil to flow through electric current in the industrial electro produces magnetic field, makes contact closure, to reach the electrical equipment of control load.Contactor is made up of electromagnetic system (comprising iron core, static iron core and solenoid), contact system (comprising normally open contact and normally closed interlock) and arc-control device usually.Its principle is after the solenoid energising of contactor, can produce very strong magnetic field, and make static iron core produce electromagnetic attraction and attract armature, and drive the contact action: normally closed interlock disconnects, the normally open contact closure, and both link.When coil blackout, electromagnetic attraction disappears, and armature discharges under the effect of retracting spring, and contact is restored: normally closed interlock closure, normally open contact disconnect.Because but fast shut-off exchanges with the direct current major loop and can connect device with big current control circuit continually; so often apply to motor as controlling object; also can be used as electrical loads such as control shop equipment, electric heater, machine-tool and various kinds electric power unit; circuit can not only be connected and cut off to contactor, but also have the effect of low-voltage release guard.Contactor control capacity is big, is applicable to frequent operation and far distance controlled, is one of critical elements in the automatic control system.
The manufacturing machine that has often requires to realize the motion of positive and negative both direction, for example lifting of the rotating of main shaft and crane etc., and this just requires the motor can rotating.By Principle of Electric Engine as can be known, exchange, can reverse if will be connected to the electric power incoming line of motor.In this case, directional contactor is a kind of efficiently reversing arrangement easily.
The utility model content
The purpose of this utility model provides a kind of compact conformation, contacts reliable directional contactor.
The utility model is that the technical scheme that its technical problem of solution is adopted is,
Directional contactor comprises shell, and the shell upper end has been arranged side by side three binding posts, and shell lower end left and right side is respectively arranged with coil; An enclosure left side, right-hand member is respectively arranged with the U-shaped conductive plate, on the enclosure, the lower end is respectively arranged with and often convinces electroplax and normally closed conductive plate by patient analysis, a left side, shell upper end, the binding post on right side connects with corresponding U-shaped conductive plate respectively, binding post placed in the middle with often convince electroplax by patient analysis and be connected, an enclosure left side, right-hand member also is respectively arranged with movable contact spring movable up and down, on the movable contact spring, the lower end is respectively arranged with spring, spring is stuck in movable contact spring in the shell, each movable contact spring one end stretches in the U-shaped conductive plate, the other end stretches into often convinces by patient analysis between electroplax and the normally closed conductive plate, each movable contact spring lower end is provided with drive link, and described drive link stretches out shell; Described coil is on bobbin, and bobbin is connected the shell lower end, and bobbin top is provided with static iron core, and bobbin inside is provided with moving iron core movable up and down, and described drive link passes static iron core and stretches into bobbin inside.
The upper and lower side of described U-shaped conductive plate is respectively arranged with fixed contact, often convinces the electroplax two ends by patient analysis and is respectively arranged with fixed contact, and normally closed conductive plate two ends are respectively arranged with fixed contact.
The left and right side of described movable contact spring upper end is respectively arranged with moving contact, and described moving contact is corresponding with the fixed contact of U-shaped conductive plate upside and the fixed contact position of often convincing by patient analysis on the electroplax respectively; The left and right side of described movable contact spring lower end is respectively arranged with moving contact, and described moving contact is corresponding with the fixed contact and the fixed contact position on the normally closed conductive plate of U-shaped conductive plate downside respectively.
Described movable contact spring is made up of two conductor plates up and down, is provided with insulating trip between the conductor plate.
Described coil outer setting has coil housing, and coil housing is provided with coil terminals.
The beneficial effects of the utility model are, this directional contactor compact conformation is easy to install, and binding post is easy to connect, and contact is reliable, flexible operation, sensitive reversing degree height.
Description of drawings
Fig. 1 is the structural representation of the utility model directional contactor;
Fig. 2 is the connection diagram of directional contactor in circuit, and movable contact spring state of living in just changes motor among the figure;
Fig. 3 is the connection diagram of directional contactor in circuit, and movable contact spring state of living in is the motor counter-rotating.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose with effect is easy to understand, below in conjunction with illustrating and specific embodiment, further set forth the utility model.
As shown in Figure 1, the directional contactor that the utility model proposes comprises shell 100, and shell 100 upper ends have been arranged side by side binding post 110, binding post 120 and binding post 130, and shell 100 lower end left and right sides are respectively arranged with coil 411 and coil 421; Shell 100 inner left sides, right-hand member is respectively arranged with U-shaped conductive plate 210 and U-shaped conductive plate 220, on shell 100 inside, the lower end is respectively arranged with and often convinces electroplax 230 and normally closed conductive plate 240 by patient analysis, binding post 110 is connected with U-shaped conductive plate 210, binding post 130 is connected with U-shaped conductive plate 220, binding post 120 placed in the middle with often convince electroplax 230 by patient analysis and be connected, shell 100 inner left sides, right-hand member also is respectively arranged with movable contact spring 310 movable up and down and movable contact spring 320, on the movable contact spring 310, the lower end is respectively arranged with spring 311 and spring 312, on the movable contact spring 320, the lower end is respectively arranged with spring 321 and spring 322, spring is stuck in movable contact spring in the shell 100, movable contact spring 310 left ends stretch in the U-shaped conductive plate 210, right-hand member stretches into often convinces by patient analysis between electroplax 230 and the normally closed conductive plate 240, movable contact spring 320 right-hand members stretch in the U-shaped conductive plate 220, left end stretches into often convinces by patient analysis between electroplax 230 and the normally closed conductive plate 240, movable contact spring 310 lower ends are provided with drive link 313, movable contact spring 320 lower ends are provided with drive link 323, coil 411 is on bobbin 410, coil 421 is on bobbin 420, bobbin is connected shell 100 lower ends, bobbin 410 tops are provided with static iron core 412, bobbin 420 tops are provided with static iron core 422, bobbin 410 inside are provided with moving iron core 413 movable up and down, bobbin 420 inside are provided with moving iron core 423 movable up and down, drive link 313 passes static iron core 412 and stretches into bobbin 410 inside, and drive link 323 passes static iron core 422 and stretches into bobbin 420 inside.
The upper and lower side of U-shaped conductive plate is respectively arranged with fixed contact, often convince the electroplax two ends by patient analysis and be respectively arranged with fixed contact, normally closed conductive plate two ends are respectively arranged with fixed contact, the left and right side of movable contact spring upper end is respectively arranged with moving contact, and moving contact is corresponding with the fixed contact of U-shaped conductive plate upside and the fixed contact position of often convincing by patient analysis on the electroplax respectively; The left and right side of movable contact spring lower end is respectively arranged with moving contact, and moving contact is corresponding with the fixed contact and the fixed contact position on the normally closed conductive plate of U-shaped conductive plate downside respectively.
Movable contact spring is made up of two conductor plates up and down, is provided with insulating trip between the conductor plate.
The coil outer setting has coil housing, and coil housing is provided with coil terminals.
State when Fig. 1 all cuts off the power supply for left and right sides coil, when left side coil electricity, right side coil blackout, the moving iron core in the coil of left side moves upward, and drives to contact after movable contact spring separates with normally closed conductive plate often to convince electroplax by patient analysis, and its state is as shown in Figure 2; When right side coil electricity, left side coil blackout, spring drives the left side movable contact spring and moves downward and often convince electroplax by patient analysis and separate the normally closed conductive plate of back contact, moving iron core in the coil of right side moves upward simultaneously, drive to contact after movable contact spring separates with normally closed conductive plate and often convince electroplax by patient analysis, the commutation of realization power positive cathode, its state as shown in Figure 3.
This directional contactor compact conformation is easy to install, and binding post is easy to connect, and contact is reliable, flexible operation, sensitive reversing degree height.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. directional contactor comprises shell, it is characterized in that, the shell upper end has been arranged side by side three binding posts, and shell lower end left and right side is respectively arranged with coil; An enclosure left side, right-hand member is respectively arranged with the U-shaped conductive plate, on the enclosure, the lower end is respectively arranged with and often convinces electroplax and normally closed conductive plate by patient analysis, a left side, shell upper end, the binding post on right side connects with corresponding U-shaped conductive plate respectively, binding post placed in the middle with often convince electroplax by patient analysis and be connected, an enclosure left side, right-hand member also is respectively arranged with movable contact spring movable up and down, on the movable contact spring, the lower end is respectively arranged with spring, spring is stuck in movable contact spring in the shell, each movable contact spring one end stretches in the U-shaped conductive plate, the other end stretches into often convinces by patient analysis between electroplax and the normally closed conductive plate, each movable contact spring lower end is provided with drive link, and described drive link stretches out shell; Described coil is on bobbin, and bobbin is connected the shell lower end, and bobbin top is provided with static iron core, and bobbin inside is provided with moving iron core movable up and down, and described drive link passes static iron core and stretches into bobbin inside.
2. directional contactor according to claim 1 is characterized in that, the upper and lower side of described U-shaped conductive plate is respectively arranged with fixed contact, often convinces the electroplax two ends by patient analysis and is respectively arranged with fixed contact, and normally closed conductive plate two ends are respectively arranged with fixed contact.
3. directional contactor according to claim 1 and 2 is characterized in that, the left and right side of described movable contact spring upper end is respectively arranged with moving contact, and described moving contact is corresponding with the fixed contact of U-shaped conductive plate upside and the fixed contact position of often convincing by patient analysis on the electroplax respectively; The left and right side of described movable contact spring lower end is respectively arranged with moving contact, and described moving contact is corresponding with the fixed contact and the fixed contact position on the normally closed conductive plate of U-shaped conductive plate downside respectively.
4. according to claim 1 or 3 described directional contactors, it is characterized in that described movable contact spring is made up of two conductor plates up and down, is provided with insulating trip between the conductor plate.
5. directional contactor according to claim 1 is characterized in that, described coil outer setting has coil housing, and coil housing is provided with coil terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200276723U CN201927550U (en) | 2011-01-27 | 2011-01-27 | Reversing contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200276723U CN201927550U (en) | 2011-01-27 | 2011-01-27 | Reversing contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201927550U true CN201927550U (en) | 2011-08-10 |
Family
ID=44431387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200276723U Expired - Lifetime CN201927550U (en) | 2011-01-27 | 2011-01-27 | Reversing contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201927550U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104704598A (en) * | 2012-12-05 | 2015-06-10 | 富士电机机器制御株式会社 | Electromagnetic contactor |
| CN109157383A (en) * | 2018-09-14 | 2019-01-08 | 南昌理工学院 | A kind of therapeutic instrument for shortsightedness |
-
2011
- 2011-01-27 CN CN2011200276723U patent/CN201927550U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104704598A (en) * | 2012-12-05 | 2015-06-10 | 富士电机机器制御株式会社 | Electromagnetic contactor |
| US9520246B2 (en) | 2012-12-05 | 2016-12-13 | Fuji Electric Fa Components & Systems Co., Ltd. | Electromagnetic contactor |
| CN109157383A (en) * | 2018-09-14 | 2019-01-08 | 南昌理工学院 | A kind of therapeutic instrument for shortsightedness |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20110094658A (en) | Electro magnetic actuator using a permanent magnet and a spring, and driving apparatus with the same | |
| CN115172104B (en) | Bridge type double-breakpoint contactor and breaker | |
| US8575784B2 (en) | Low voltage and intense current phase-controlled switching on equipment | |
| KR101851301B1 (en) | Electromagnetic switch of starting device for star-delta connection and starting device including the same | |
| CN205984818U (en) | Electromagnetic relay | |
| CN201927550U (en) | Reversing contactor | |
| CN205159221U (en) | Relay | |
| CN202332750U (en) | Control and protection switch | |
| US8970330B2 (en) | Contactor | |
| CN212625400U (en) | Novel magnetic latching relay structure | |
| CN205211685U (en) | Bistable state permanent magnetism moulded case circuit breaker | |
| CN201359973Y (en) | Energy-saving contactor | |
| CN105390349A (en) | Bistable permanent magnet moulded case circuit breaker | |
| CN202977312U (en) | Novel direct-current contactor | |
| CN111508771A (en) | Magnetic control shape memory alloy AC contactor | |
| CN220208840U (en) | Star-delta quick switching contactor | |
| CN212725137U (en) | Novel pole-mounted circuit breaker | |
| CN205282413U (en) | Monostable permanent magnetism moulded case circuit breaker | |
| CN205028867U (en) | Novel disconnected type control of energy -conserving high score and protection switch | |
| CN204680631U (en) | A kind of shunt trip of circuit breaker | |
| CN104124102A (en) | Novel alternating-current high-voltage vacuum circuit breaker for electrified railway | |
| CN208767227U (en) | Three-phase motor positive and negative rotation control contactor | |
| CN215896262U (en) | Relay safe in utilization | |
| CN214588642U (en) | Intelligent fusing relay | |
| CN204577382U (en) | Control and protective switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110810 |
|
| CX01 | Expiry of patent term |