CN106024485A - Gearing-down mechanism applied to three-station isolation switch and control method thereof - Google Patents
Gearing-down mechanism applied to three-station isolation switch and control method thereof Download PDFInfo
- Publication number
- CN106024485A CN106024485A CN201610546213.3A CN201610546213A CN106024485A CN 106024485 A CN106024485 A CN 106024485A CN 201610546213 A CN201610546213 A CN 201610546213A CN 106024485 A CN106024485 A CN 106024485A
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- China
- Prior art keywords
- gear
- insulation blanket
- reduction gearing
- gearing mechanism
- teeth
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
- H01H2003/266—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor having control circuits for motor operating switches, e.g. controlling the opening or closing speed of the contacts
Landscapes
- Keying Circuit Devices (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to a gearing-down mechanism applied to a three-station isolation switch and a control method thereof. The gearing-down mechanism comprises a first gear and a second gear, wherein the first gear and the second gear successively fixedly sleeve the output shaft of an insulation screw. The first gear and the second gear share the same number of teeth. The teeth of the first gear and the second gear are one-to-one corresponding to each other. The gearing-down mechanism further comprises a third gear in matching transmission with the first gear and the second gear. The third gear is meshed with a fourth gear. The number of the teeth of the fourth gear is large than the number of the teeth of the first gear. The output shaft of the fourth gear is connected with a cam. The cam is connected with a travel switch in a matching manner. The travel switch is fixed on the side of the fourth gear. The gearing-down mechanism provided by the invention has the advantages that the travel of an isolated movable contact is calculated by the gearing-down mechanism, and the speed of closing or grounding can be easily controlled.
Description
Technical field
The present invention relates to Mechanical course field, particularly relate to a kind of travel switch reduction gearing mechanism and control method thereof.
Background technology
In recent years, along with the most ripe, the improvement of switching technique, three-station has become increasingly prevalent.Three-station is usually used in fully closed combined electric unit (GIS) or compound electric apparatus (PASS), is not a single product.Particularly in XGN ring main unit, application is most, and existing tri-station isolating switch typically has Direct Action Type and two kinds of structures of guillotine type, direct-acting three-working-position isolation, and centre position is isolated bit, and two ends are respectively closes a floodgate and earthing position.The moving contact of intermediate isolating position is under insulation blanket stud drives, to pole, two ends spaced motion, the static contact with two ends is made to be fully contacted, realize respectively closing a floodgate and ground connection, but rotated by insulation blanket stud and realize moving contact direct acting, direct acting stroke is big, the number of turns that insulation blanket stud rotates more cannot be good output close a floodgate, the signal of isolation and ground connection.
Summary of the invention
It is an object of the invention to for above weak point, provide a kind of reduction gearing mechanism for tri-station isolating switch and control method thereof, it is calculated the stroke of isolation moving contact by reduction gearing mechanism, can effectively export combined floodgate, isolation and ground signalling.
The present invention solves the scheme that technical problem used: a kind of reduction gearing mechanism for tri-station isolating switch, described tri-station isolating switch includes combined floodgate static contact, isolation moving contact and the grounding static contact linearly set gradually, and described isolation moving contact moves to combined floodgate static contact and grounding static contact respectively through an insulation blanket stud linearly arranged；The first gear and the second gear that described reduction gearing mechanism includes and fixed cover is located at synchronous axial system on described insulation blanket stud output shaft successively, described first gear and the second number of gear teeth are identical, and the tooth one_to_one corresponding of the first gear and the second gear；Also including that one coordinates the 3rd gear of transmission, described 3rd gear and one the 4th gear fit engagement with described first gear and the second gear, the number of teeth of described 4th gear is more than the number of teeth of described first gear；Being also associated with a cam on the output shaft of described 4th gear, described cam is connected with one stroke switch, and described travel switch is fixed on described 4th gear side.
Further, the number of teeth of described first gear and the second gear is 2, and the number of teeth of described 4th gear is 72.
Further, described travel switch and is electrically connected for controlling the controller of insulation blanket stud.
Further, described insulation blanket stud drives through a motor, and described motor is electrically connected with described controller through a motor drive module.
Further, described reduction gearing mechanism also includes an installing rack, described 3rd gear and the 4th gear rotate through the first support shaft and the second support shaft respectively and are arranged on described installing rack, described cam fixed cover is located in described second support shaft, and described travel switch is fixedly installed on described installing rack.
The invention also discloses the control method of a kind of reduction gearing mechanism for tri-station isolating switch as described above, comprise the following steps:
Step S1: driving insulation blanket stud by motor, isolation moving contact is moved by insulation blanket stud band trend combined floodgate static contact or grounding static contact, carries out closing a floodgate or ground connection；
Step S2: the first gear and the second gear rotate under the drive of insulation blanket stud；
Step S3: the cingulum of the first gear and the second gear moves the 3rd pinion rotation, the 3rd gear engages as travelling gear and the 4th gear, and the 4th gear coordinates rotation；
Step S4: cam is under the drive of the 4th gear, when the 4th pinion rotation is to special angle, cam triggers travel switch, and travel switch generation signal to controller, controller can be calculated the stroke now isolating moving contact；
Step S5: controller, according to the stroke of isolation moving contact, drives and is accelerated for the motor controlling insulation blanket stud or slows down.
Compared with prior art, the present invention has following beneficial effect: the number of turns rotated due to insulation blanket stud can embody three-station combined floodgate, isolation and the state of ground connection operating position, the present invention coordinates the rotation number of turns calculating insulation blanket stud by reduction gearing mechanism, thus calculate the stroke of isolation moving contact, determine each duty of three-station, the each duty achieving tri-station isolating switch contact can accurately export, and finally realizes the safe and reliable operation of product.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings patent of the present invention is further illustrated.
Fig. 1 is the structural representation that the reduction gearing mechanism of the embodiment of the present invention coordinates with tri-station isolating switch.
Fig. 2 is the structural representation of the reduction gearing mechanism of the embodiment of the present invention.
Fig. 3 is the side view of the reduction gearing mechanism of the embodiment of the present invention.
In figure: 1-tri-station isolating switch；10-isolates moving contact；11-insulation blanket stud；2-reduction gearing mechanism；20-the first gear；21-the second gear；22-the 3rd gear；23-the 4th gear；24-cam；25-travel switch.
Detailed description of the invention
The present invention is further described with detailed description of the invention below in conjunction with the accompanying drawings.
As shown in Figures 1 to 3, the embodiment of the present invention provides a kind of reduction gearing mechanism 2 for tri-station isolating switch 1, described tri-station isolating switch 1 includes combined floodgate static contact, isolation moving contact 10 and the grounding static contact linearly set gradually, and described isolation moving contact 10 moves to combined floodgate static contact and grounding static contact respectively through an insulation blanket stud 11 linearly arranged；The first gear 20 and the second gear 21 that described reduction gearing mechanism 2 includes and fixed cover is located at synchronous axial system on described insulation blanket stud 11 output shaft successively, described first gear 20 is identical with second gear 21 number of teeth, and the first gear 20 and tooth one_to_one corresponding of the second gear 21；Also including that one coordinates the 3rd gear 22 of transmission, described 3rd gear 22 and one the 4th gear 23 fit engagement with described first gear 20 and the second gear 21, the number of teeth of described 4th gear 23 is more than the number of teeth of described first gear 20；Being also associated with a cam 24 on the output shaft of described 4th gear 23, described cam 24 is connected with one stroke switch 25, and described travel switch 25 is fixed on described 4th gear 23 side.
From the foregoing, the beneficial effects of the present invention is: rotated under the drive of insulation blanket stud 11 by the first gear 20 and the second gear 21, under the transmission of the 3rd gear 22, according to first gear 20 and the number of teeth of the 4th gear 23, the rotation number of turns of insulation blanket stud 11 can be obtained, and then obtain isolating the stroke of moving contact 10, a circle that is 360 ° can be adjusted to, as long as thus effectively exporting combined floodgate, isolation and ground signalling by the angle change within 360 ° by the number of turns that reduction gearing mechanism 2 rotates.
In the present embodiment, the number of teeth of described first gear 20 and the second gear 21 is 2, and the number of teeth of described 4th gear 23 is 72.Owing to the first gear 20 and the second gear 21 are only 2 by the particular design number of teeth, 3rd gear 22 is transmission gear, the number of teeth of the 4th gear 23 is 72, and the design relation of 2/72 makes the first gear 20 and the second gear 21 rotate 36 circles can just to realize the first gear 20 and rotate 1 circle thus realize deceleration purpose.
In the present embodiment, described travel switch 25 is electrically connected for controlling the controller of insulation blanket stud 11 with one.The rotational angle information of the 4th gear 23 is sent to controller by travel switch 25, can be adjusted the velocity of rotation of motor by controller, thus control to isolate the travel speed of moving contact 10.
In the present embodiment, described insulation blanket stud 11 drives through a motor, and described motor is electrically connected with described controller through a motor drive module.
In the present embodiment, described reduction gearing mechanism 2 also includes an installing rack, described 3rd gear 22 and the 4th gear 23 rotate through the first support shaft and the second support shaft respectively and are arranged on described installing rack, described cam 24 fixed cover is located in described second support shaft, and described travel switch 25 is fixedly installed on described installing rack.Described cam 24 coordinates with travel switch 25, when turning to special angle, triggers travel switch 25, and travel switch 25 sends a signal to controller, thus realizes combined floodgate, ground connection and the control of isolation.
The invention also discloses the control method of a kind of reduction gearing mechanism 2 for tri-station isolating switch 1 as described above, comprise the following steps:
Step S1: driving insulation blanket stud 11 by motor, isolation moving contact 10 is moved by insulation blanket stud 11 band trend combined floodgate static contact or grounding static contact, carries out closing a floodgate or ground connection；
Step S2: the first gear 20 and the second gear 21 rotate under the drive of insulation blanket stud 11；
Step S3: the cingulum of the first gear 20 and the second gear 21 moves the 3rd gear 22 and rotates, and the 3rd gear 22 engages as travelling gear and the 4th gear 23, the 4th gear 23 coordinates rotation；
Step S4: cam 24 is under the drive of the 4th gear 23, when the 4th gear 23 turns to special angle, cam 24 triggers travel switch 25, and travel switch 25 occurs signal to controller, and controller can be calculated the stroke now isolating moving contact 10；
Step S5: controller, according to the stroke of isolation moving contact 10, drives and is accelerated for the motor controlling insulation blanket stud 11 or slows down.
In sum, a kind of reduction gearing mechanism for tri-station isolating switch of present invention offer and control method thereof, simple in construction, control precisely, it is possible to achieve the accurate of tri-station isolating switch combined floodgate, ground connection and isolation exports.
The above-listed preferred embodiment that the present invention provides; the object, technical solutions and advantages of the present invention are further described; it is it should be understood that; the foregoing is only presently preferred embodiments of the present invention; not in order to limit the present invention; all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (6)
1. the reduction gearing mechanism for tri-station isolating switch, described tri-station isolating switch includes combined floodgate static contact, isolation moving contact and the grounding static contact linearly set gradually, and described isolation moving contact moves to combined floodgate static contact and grounding static contact respectively through an insulation blanket stud linearly arranged；It is characterized in that: the first gear and the second gear that described reduction gearing mechanism includes and fixed cover is located at synchronous axial system on described insulation blanket stud output shaft successively, described first gear and the second number of gear teeth are identical, and the tooth one_to_one corresponding of the first gear and the second gear；Also including that one coordinates the 3rd gear of transmission, described 3rd gear and one the 4th gear fit engagement with described first gear and the second gear, the number of teeth of described 4th gear is more than the number of teeth of described first gear；Being also associated with a cam on the output shaft of described 4th gear, described cam is connected with one stroke switch, and described travel switch is fixed on described 4th gear side.
Reduction gearing mechanism for tri-station isolating switch the most according to claim 1, it is characterised in that: the number of teeth of described first gear and the second gear is 2, and the number of teeth of described 4th gear is 72.
Reduction gearing mechanism for tri-station isolating switch the most according to claim 1, it is characterised in that: described travel switch and is electrically connected for controlling the controller of insulation blanket stud.
Reduction gearing mechanism for tri-station isolating switch the most according to claim 3, it is characterised in that: described insulation blanket stud drives through a motor, and described motor is electrically connected with described controller through a motor drive module.
Reduction gearing mechanism for tri-station isolating switch the most according to claim 1, it is characterized in that: described reduction gearing mechanism also includes an installing rack, described 3rd gear and the 4th gear rotate through the first support shaft and the second support shaft respectively and are arranged on described installing rack, described cam fixed cover is located in described second support shaft, and described travel switch is fixedly installed on described installing rack.
6. the control method of the reduction gearing mechanism being used for tri-station isolating switch as claimed in claim 1, it is characterised in that comprise the following steps:
Step S1: driving insulation blanket stud by motor, isolation moving contact is moved by insulation blanket stud band trend combined floodgate static contact or grounding static contact, carries out closing a floodgate or ground connection；
Step S2: the first gear and the second gear rotate under the drive of insulation blanket stud；
Step S3: the cingulum of the first gear and the second gear moves the 3rd pinion rotation, the 3rd gear engages as travelling gear and the 4th gear, and the 4th gear coordinates rotation；
Step S4: cam is under the drive of the 4th gear, when the 4th pinion rotation is to special angle, cam triggers travel switch, and travel switch generation signal to controller, controller can be calculated the stroke now isolating moving contact；
Step S5: controller, according to the stroke of isolation moving contact, drives and is accelerated for the motor controlling insulation blanket stud or slows down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610546213.3A CN106024485B (en) | 2016-07-13 | 2016-07-13 | Reduction gearing mechanism and its control method for tri-station isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610546213.3A CN106024485B (en) | 2016-07-13 | 2016-07-13 | Reduction gearing mechanism and its control method for tri-station isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106024485A true CN106024485A (en) | 2016-10-12 |
| CN106024485B CN106024485B (en) | 2018-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610546213.3A Active CN106024485B (en) | 2016-07-13 | 2016-07-13 | Reduction gearing mechanism and its control method for tri-station isolating switch |
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| Country | Link |
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| CN (1) | CN106024485B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116313579A (en) * | 2023-05-26 | 2023-06-23 | 沈阳华德海泰电器有限公司 | Travel switch driving device for gas-insulated metal-enclosed switchgear |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1897184A (en) * | 2005-07-11 | 2007-01-17 | 河南平高电气股份有限公司 | Multi-station electric operation mechanism |
| CN2924902Y (en) * | 2006-06-14 | 2007-07-18 | 许晓华 | Electric pushrod |
| CN103542825A (en) * | 2013-09-24 | 2014-01-29 | 许继集团有限公司 | Breaker travel measuring method and system |
| CN105304360A (en) * | 2015-10-27 | 2016-02-03 | 平高集团有限公司 | Three-station in-place power-off mechanism and electric operation mechanism |
| CN205959858U (en) * | 2016-07-13 | 2017-02-15 | 国家电网公司 | A step down gear mechanism for three -station isolation switch |
-
2016
- 2016-07-13 CN CN201610546213.3A patent/CN106024485B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1897184A (en) * | 2005-07-11 | 2007-01-17 | 河南平高电气股份有限公司 | Multi-station electric operation mechanism |
| CN2924902Y (en) * | 2006-06-14 | 2007-07-18 | 许晓华 | Electric pushrod |
| CN103542825A (en) * | 2013-09-24 | 2014-01-29 | 许继集团有限公司 | Breaker travel measuring method and system |
| CN105304360A (en) * | 2015-10-27 | 2016-02-03 | 平高集团有限公司 | Three-station in-place power-off mechanism and electric operation mechanism |
| CN205959858U (en) * | 2016-07-13 | 2017-02-15 | 国家电网公司 | A step down gear mechanism for three -station isolation switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116313579A (en) * | 2023-05-26 | 2023-06-23 | 沈阳华德海泰电器有限公司 | Travel switch driving device for gas-insulated metal-enclosed switchgear |
| CN116313579B (en) * | 2023-05-26 | 2023-08-04 | 沈阳华德海泰电器有限公司 | Travel switch driving device for gas-insulated metal-enclosed switchgear |
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| Publication number | Publication date |
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| CN106024485B (en) | 2018-04-24 |
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