CN2056543U - Vacuum contactor for mechanical locker mode - Google Patents
Vacuum contactor for mechanical locker mode Download PDFInfo
- Publication number
- CN2056543U CN2056543U CN 88216978 CN88216978U CN2056543U CN 2056543 U CN2056543 U CN 2056543U CN 88216978 CN88216978 CN 88216978 CN 88216978 U CN88216978 U CN 88216978U CN 2056543 U CN2056543 U CN 2056543U
- Authority
- CN
- China
- Prior art keywords
- snap close
- main circuit
- vacuum contactor
- contactor
- control circuit
- 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.)
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a mechanical locking type vacuum contactor which runs with electricity saving and noiselessness. The mechanical locking type vacuum contactor is suitable for a circuit switching-on and breaking with a long distance in a power system. The utility model is characterized in that a mechanical locking device is added in a control return circuit of a vacuum contactor; when a control circuit of a contactor is electrified, a main circuit of the contactor is switched on; then, the control circuit is switched off, and the main circuit is caused to keep in a switching-on reliable state by a locking device. When the main circuit is broken, that the main circuit is broken completed by the utility model by automatic and manual disengaging and breaking operation in the mechanical locking device. Therefore, the mechanical locking type vacuum contactor which is not affected by the control circuit can ensure the main circuit to work safely, and the utility model has the advantage of convenient operation.
Description
The utility model relates to a kind of contactor, and the particularly a kind of economize on electricity of mechanical latching, vacuum contactor of noiseless operation of having is suitable in the electric power system, for connect at a distance, branch deenergizing and starting, control alternating current motor.
Existing contactor mainly is made up of main circuit, control circuit, auxiliary circuit and operating mechanism.When the needs main circuit is connected, apply a voltage must for the control circuit coil, so just there is electric current to pass through in the coil, and form magnetic field around it, the product magnetic flux, the electromagnetic attraction that produces unshakable in one's determination thereupon, armature is attracted to iron core, drive dynamic and static contact closure by operating mechanism, finished the connection of main circuit.When desiring to make the main circuit disjunction, must be earlier with the control circuit outage, electromagnetic attraction disappears, armature passes through operating mechanism under the counter-force effect, drive moving contact and move along the direction opposite with adhesive, the result separates dynamic and static contact, thereby has realized the disjunction of main circuit.
But under need the condition in control circuit outage, when main circuit still needed to connect, existing contactor be just powerless.
The purpose of this utility model is that a kind of vacuum contactor that has mechanical latching will be provided, it can be realized easily to after the control circuit power supply main circuit being connected, then control circuit is cut off the power supply, at this moment main circuit still can remain on on-state reliably, can economize on electricity like this, reduced the noise that the control circuit electromagnetic system brings again when work, made the contactor noiseless operation.When wanting the disjunction main circuit, the utility model can be realized automatically and manual two kinds of dropout disjunctions.
The utility model is achieved in that increases a mechanical locking device in the control system of vacuum contactor, this device has the release electromagnet and the tripping coil of band eave tile; Be connected with spacing semiaxis on the support plate thereunder, lever is fixed on the spacing semiaxis, and lever upper end contacts with the eave tile of release electromagnet, and the lower end is connected with lever extension spring on being fixed on support plate; The snap close piece upper end that is movably connected on the support plate is the snap close tooth, and the snap close tooth contacts with the axial plane of spacing semiaxis, and there is a recess at the middle part of snap close piece, between snap close piece and support plate spring is housed, and impels snap close piece to counterclockwise rotating.Snap close pull bar one end and armature combine as a whole, and the other end is equipped with roller, and roller can slip into and skid off recess.Also be connected with the hand tripping push rod on support plate, an end connects eccentric half wheel of threading off, and end in contact under eccentric thread off half wheel and the lever is equipped with the hand tripping push rod spring between hand tripping push rod and support plate.
Its course of work: when the needs main circuit is connected, give the control circuit coil electricity, the magnetic force that produces unshakable in one's determination, armature is attracted to iron core, drive moving in the vacuum interrupter by operating mechanism, the fixed contact closure is finished main circuit and is connected, at this moment, the roller of the snap close pull bar that combines as a whole with armature upwards slides and snaps in the recess of snap close piece.At this moment control circuit outage, armature still can not drop, thereby has guaranteed the lasting connection of main circuit.When needs disjunction main circuit, can carry out realizing with manual two kinds of modes of operation automatically: when carrying out far distance automatic controlling disjunction main circuit, need only switch on to tripping coil, release electromagnet is in attracting process, eave tile on it drives the lever that is fixed on the spacing semiaxis, spacing semiaxis clockwise direction is rotated, snap close piece is threaded off when spacing semiaxis goes to incision, and that the reaction spring that acts on the snap close pull bar orders about the snap close pull bar is downward, its active force is greater than the acting force of the spring that is connected between snap close piece and support plate, so the roller of its termination skids off the recess of snap close piece, the result makes the snap close pull bar break away from the constraint of snap close piece, and the armature that drives control circuit falls together, makes moving in the vacuum interrupter by operating mechanism, fixed contact separates, thereby has realized the disjunction of main circuit.When carrying out manual disjunction main circuit, upwards promote the hand tripping push rod that an end has eccentric half wheel of threading off, increase along with hand tripping push rod corner, eccentric half wheel of threading off promotes to be fixed on the lever on the spacing semiaxis gradually, driving spacing semiaxis clockwise direction rotates, when spacing semiaxis goes to incision, snap close piece is threaded off, the snap close pull bar is released, and the armature of control circuit breaks away from unshakable in one's determination under the effect of reaction spring, make moving in the vacuum interrupter by operating mechanism, fixed contact separately, thereby finished the manual disjunction of main circuit, it is extremely convenient, safe and reliable to operate.
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the utility model schematic diagram.
With reference to Fig. 1, vacuum contactor with mechanical latching, by the release electromagnet in the mechanical locking device 1, tripping coil 2, lever 3, spacing semiaxis 4, thread off partly take turns 5, lever extension spring 6, hand tripping push rod spring 7, hand tripping push rod 8, snap close pull bar roller 9, snap close piece 10, the snap close piece spring collar 11 and spring 12, snap close pull bar 13, support plate 19, electromagnetic system armature 14, unshakable in one's determination 15, control circuit coil 16, operating mechanism 17 and vacuum interrupter 18 form.When the needs main circuit is connected, give the control circuit coil 16 energisings, unshakable in one's determination 15 produce magnetic force, armature 14 is attracted to unshakable in one's determination 15, drive the moving of 18 li of vacuum interrupters by operating mechanism 17, the fixed contact closure, finishing main circuit connects, snap close piece 10 will tightly pin with the snap close pull bar 13 that armature 14 is connected as a single entity simultaneously, at this moment make the control circuit outage, armature 14 still can not drop, because when the roller 9 in snap close pull bar 13 terminations upwards slides into snap close piece 10 recess places along snap close piece 10, snap close piece snap close tooth topmost also moves on on the axial plane of spacing semiaxis 4 otch bottoms from the release condition on spacing semiaxis 4 otch right sides simultaneously, make snap close piece 10 lockings, thereby snap close pull bar 13 can not be slided from the recess of snap close piece 10, guaranteed the lasting connection of main circuit like this.When needs carry out automatic disjunction main circuit, need only give tripping coil 2 energisings, release electromagnet 1 eave tile on it in the process of adhesive drives the upper end that is fixed on the lever 3 on the spacing semiaxis 4, spacing semiaxis 4 clockwise directions are rotated, when spacing semiaxis 4 goes to incision, the snap close tooth of snap close piece 10 upper ends slides to incision from the snap close state of the following axial plane of spacing semiaxis 4, snap close piece 10 is discharged, snap close piece 10 is threaded off, it is downward that the reaction spring that acts on snap close pull bar 13 orders about snap close pull bar 13, its active force is greater than 19 spring that is connected 12 active forces of snap close piece 10 and support plate, the roller 9 of its termination skids off the recess of snap close piece 10 like this, the result makes snap close tie-bar 13 break away from the constraint of snap close piece 10, the armature 14 that drives control circuit falls together, make the moving of 18 li of vacuum interrupters by operating mechanism 17, fixed contact separates, and has realized the disjunction of main circuit.When needs carry out manual disjunction main circuit, upwards promoting an end has dropout and partly takes turns 5 hand tripping push rod 8, increase along with hand tripping push rod 8 corners, thread off and partly take turns 5 lower ends that promote to be fixed on the lever 3 on the spacing semiaxis 4 gradually, driving spacing semiaxis 4 clockwise directions rotates, when spacing semiaxis 4 goes to incision, the snap close tooth that is stuck on 4 times axial planes of spacing semiaxis is threaded off, snap close pull bar 13 is released as mentioned above, the armature 14 of control circuit is under the effect of reaction spring, break away from iron core 15, make the moving of 18 li of vacuum interrupters by operating mechanism 17, fixed contact has separately been finished the manual disjunction of main circuit.
Claims (1)
1, mechanical latching type vacuum contactor that comprises that control circuit coil, iron core, armature and vacuum interrupter, operating mechanism are formed is characterized in that:
A, in control system, be equipped with the band eave tile release electromagnet and tripping coil;
B, lever are fixed on the spacing semiaxis, and its upper end contacts with the eave tile of release electromagnet, and its lower end is connected with arm spring on being fixed on support plate;
One end of c, hand tripping push rod is fixed eccentric half wheel of a hand tripping;
D, snap close piece upper end are the snap close teeth, and it contacts with the axial plane of spacing semiaxis, and there is a recess at the middle part;
E, snap close pull bar one end and armature combine as a whole, and the other end is equipped with roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88216978 CN2056543U (en) | 1988-10-13 | 1988-10-13 | Vacuum contactor for mechanical locker mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88216978 CN2056543U (en) | 1988-10-13 | 1988-10-13 | Vacuum contactor for mechanical locker mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2056543U true CN2056543U (en) | 1990-04-25 |
Family
ID=4849554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88216978 Withdrawn CN2056543U (en) | 1988-10-13 | 1988-10-13 | Vacuum contactor for mechanical locker mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2056543U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101494133B (en) * | 2009-02-25 | 2011-08-24 | 谢翠斌 | Manual switching and lock catch protection device for high voltage vacuum permanent magnet circuit breaker |
| CN102420074A (en) * | 2011-11-24 | 2012-04-18 | 浙江新安江开关有限公司 | Electric closing-opening device of vacuum contactor |
| CN104282463A (en) * | 2014-10-29 | 2015-01-14 | 无锡韩光电器股份有限公司 | Buckling and tripping device for automatic transfer switching equipment |
-
1988
- 1988-10-13 CN CN 88216978 patent/CN2056543U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101494133B (en) * | 2009-02-25 | 2011-08-24 | 谢翠斌 | Manual switching and lock catch protection device for high voltage vacuum permanent magnet circuit breaker |
| CN102420074A (en) * | 2011-11-24 | 2012-04-18 | 浙江新安江开关有限公司 | Electric closing-opening device of vacuum contactor |
| CN104282463A (en) * | 2014-10-29 | 2015-01-14 | 无锡韩光电器股份有限公司 | Buckling and tripping device for automatic transfer switching equipment |
| CN104282463B (en) * | 2014-10-29 | 2016-06-08 | 无锡韩光电器股份有限公司 | The snap close tripping gear of automatic transfer switching electric appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |