CN107658160B - Three-phase synchronous fusion tube feedback trigger device - Google Patents
Three-phase synchronous fusion tube feedback trigger device Download PDFInfo
- Publication number
- CN107658160B CN107658160B CN201710923607.0A CN201710923607A CN107658160B CN 107658160 B CN107658160 B CN 107658160B CN 201710923607 A CN201710923607 A CN 201710923607A CN 107658160 B CN107658160 B CN 107658160B
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- rotating plate
- shaft sleeve
- plate
- fusion tube
- interlocking
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0072—Details of switching devices, not covered by groups H01H1/00 - H01H7/00 particular to three-phase switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/0241—Structural association of a fuse and another component or apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
- H01H2009/265—Interlocking, locking, or latching mechanisms for interlocking two or more switches with interlocking of more than two switches
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a three-phase synchronous fusion tube feedback trigger device, which is used in structures needing the fusion tube feedback trigger device, such as an FC cabinet, a capacitor cabinet and the like of a high-voltage complete switch device, and comprises the following components: the device comprises a three-phase synchronous fusion tube, a copper bar, a rotating plate fixing plate, a first shaft sleeve, a trigger rotating plate, a second shaft sleeve, an insulating rod, a fixed bent plate, a bolt, a push rod, a microswitch and a tension spring; the trigger rotating plate is rotatably connected with the first shaft sleeve, the first shaft sleeve is rotatably connected with the rotating plate fixing plate, and two ends of the insulating rod are respectively rotatably connected with the first shaft sleeve and the second shaft sleeve; the interlocking rotating plate is rotationally connected with the second shaft sleeve, one end of the tension spring is fixed on the fixed bent plate through a screw, and the other end of the tension spring is fixed on the interlocking rotating plate; the interlocking rotating plate can swing together with the push rod, the triggering rotating plate can be pushed to rotate by a certain angle when the fusion tubes are fused, and any one phase of fusion tube can simultaneously drive the other two interlocking mechanisms to simultaneously act when the fusion tube is triggered.
Description
Technical Field
The invention relates to the field of electrical equipment switch equipment, in particular to a fuse tube feedback trigger device for high-voltage complete switch equipment such as an FC (fiber channel) cabinet, a capacitor cabinet and the like.
Background
A fusion tube feedback trigger device used by the existing high-voltage complete switch equipment mainly depends on a soft plastic top tube or an insulating rod trigger device. The soft plastic jacking pipe trigger device comprises: the installation space is not limited too much, but generally three phases are triggered independently, so that the risk of phase-lacking operation of a power system can exist; insulating bar trigger device: the space requirement below the melting tube is relatively large and the single-phase triggering is also realized. If the two trigger devices need to be triggered simultaneously by three phases, the trigger devices can be triggered only by an electrical principle.
Disclosure of Invention
The invention mainly solves the technical problems that: aiming at the defects of the prior art, the three-phase synchronous fusion tube feedback trigger device is provided, when any one phase fusion tube is fused, the three-phase mechanical linkage structure can well ensure that other two phases can also reliably and timely obtain a trigger signal, the system can not run in a phase-lacking manner, and the reliability of the system is improved.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a three-phase synchronization fusion tube feedback trigger device, is arranged in high-voltage switchgear assembly, includes: the device comprises three-phase synchronous fusion tubes, copper bars connected to the fusion tubes of the three-phase synchronous fusion tubes, a rotating plate fixing plate arranged on the copper bars, a trigger rotating plate arranged together with the rotating plate fixing plate through a first shaft sleeve, an insulating rod with two ends respectively fixed with the first shaft sleeve and a second shaft sleeve, a fixed bent plate rotationally connected with the second shaft sleeve through an interlocking rotating plate, a push rod fixed with the interlocking rotating plate through a bolt and capable of synchronously swinging, a micro switch connected with the push rod and a tension spring; the trigger rotating plate is rotatably connected with the first shaft sleeve, the first shaft sleeve is rotatably connected with the rotating plate fixing plate, the interlocking rotating plate is rotatably connected with the second shaft sleeve, one end of the tension spring is fixed on the fixed bent plate through a screw, and the other end of the tension spring is fixed on the interlocking rotating plate.
In a preferred embodiment of the present invention, the triggering rotating plate is bent into a C-shape, and two concentric square holes are formed at symmetrical positions of two folded edges of the triggering rotating plate, and the triggering rotating plate is mounted on the first shaft sleeve through the two concentric square holes on the folded edge of the triggering rotating plate.
In a preferred embodiment of the present invention, the rotating plate fixing plate is bent into a C-shape, and two concentric circular holes with one larger and one smaller are formed at symmetrical positions of two bent edges of the rotating plate fixing plate, and the first shaft sleeve is rotatably connected with the two concentric circular holes of the rotating plate fixing plate.
In a preferred embodiment of the present invention, the front ends of the first shaft sleeve and the second shaft sleeve are small cylinders, and are respectively rotatably connected with the rotating plate fixing plate and the fixed bent plate; the middle part is in a square column shape and is respectively and rotatably connected with the trigger rotating plate and the interlocking rotating plate; the rear end is a large cylinder, and a round hole matched with the insulating rod is formed in one end face of the large cylinder.
In a preferred embodiment of the invention, the interlocking rotating plate is bent into a C shape, the folded edge of the interlocking rotating plate is long and short, two concentric square holes are formed in the symmetrical positions of the two folded edges, and round holes are formed in the top end and the side edge of the large folded edge; the interlocking rotating plate is rotatably connected with the second shaft sleeve through concentric square holes on the two folded edges.
In a preferred embodiment of the present invention, the fixed bent plate is L-shaped, and three circular holes are formed on a surface of the fixed bent plate and are respectively rotatably connected with the second shaft sleeve.
In a preferred embodiment of the present invention, the tension spring is a compression spring or a torsion spring.
In a preferred embodiment of the present invention, both ends of the insulating rod and the first and second bushings are fixed by cotter pins.
In a preferred embodiment of the present invention, the height of the step of the bolt is greater than the thickness of the plate of the push rod, and a certain gap is formed between the interlocking rotating plate and the push rod.
The invention has the beneficial effects that: the interlocking structure can be effectively simplified by adopting the structure that the first shaft sleeve is provided with the movable trigger rotating plate, and the structure has smaller requirement on the installation space below the fusion tube and is compact; the structure that the push rod is pre-tensioned by the tension spring is adopted, so that the condition that the micro-switch does not have wrong actions under the condition that the cabinet body vibrates can be effectively ensured; the structure that the three-phase interlocking rotating plate and the push rod are connected is adopted, so that the three-phase interlocking rotating plate can act together under the action of the push rod when any one phase fusion tube is fused, and the risk of phase-missing operation of the system is avoided.
Drawings
FIG. 1 is a front view of a three-phase synchronous fusion tube feedback triggering device of the present invention;
FIG. 2 is a top view of a three-phase synchronous fusion tube feedback triggering apparatus of the present invention;
FIG. 3 is an isometric view of a three-phase synchronous fusion tube feedback triggering mechanism of the present invention;
FIG. 4 is an isometric view of a fuse tube trigger of a three-phase synchronous fuse tube feedback trigger apparatus of the present invention;
the parts in the drawings are numbered as follows: 1. the device comprises a fusion tube, 2, a copper bar, 3, a trigger rotating plate, 4, a rotating plate fixing plate, 5, a first shaft sleeve, 6, an interlocking rotating plate, 7, a tension spring, 8, a fixing bent plate, 9, a screw, 10, a microswitch, 11, a push rod, 12, an insulating rod, 13, a bolt, 14 and a second shaft sleeve.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1 to 4, an embodiment of the present invention includes:
the utility model provides a synchronous fusion tube feedback trigger device of three-phase, is a synchronous fusion tube feedback trigger device structure of three-phase that is used for high-pressure FC cabinet and electric capacity cabinet, includes: the device comprises a fusion tube 1, a copper bar 2, a trigger rotating plate 3, a rotating plate fixing plate 4, a first shaft sleeve 5, an insulating rod 12, an interlocking rotating plate 6, a tension spring 7, a fixed bent plate 8, a screw 9, a microswitch 10, a push rod 11, a bolt 13 and a second shaft sleeve 14.
The three-phase synchronous fusion tubes are arranged on the fusion tube 1, and the three copper bars 2 are respectively connected to the three-phase synchronous fusion tubes.
The rotating plate fixing plates 4 are three in number and are respectively installed on the corresponding copper bars 2, the rotating plate fixing plates are bent into a C shape, and two concentric circular holes, one large and one small, are formed in the symmetrical positions of the two bent edges of the rotating plate fixing plates.
The trigger rotating plate 3 is provided with three trigger rotating plates which are respectively arranged together with the rotating plate fixing plate 4 through a first shaft sleeve 5, the trigger rotating plate 3 is rotatably connected (can rotate together) with the corresponding first shaft sleeve 5, and the first shaft sleeve 5 is rotatably connected with the corresponding rotating plate fixing plate 4.
The trigger rotating plate 3 is bent into a C shape, two concentric square holes are formed in the symmetrical positions of two folding edges of the trigger rotating plate, and the trigger rotating plate 3 is installed on the first shaft sleeve 5 through the two concentric square holes in the folding edges of the trigger rotating plate. The first shaft sleeve 5 is rotatably connected with two concentric round holes on the rotating plate fixing plate 4.
The number of the insulating rods 12 is three, and two ends of each insulating rod are respectively fixed with the corresponding first shaft sleeve 5 and the corresponding second shaft sleeve 14. The fixed bent plates 8 are three in number and are respectively connected with the corresponding second shaft sleeves 14 in a rotating mode through the interlocking rotating plates 6.
The interlocking rotating plate 6 is three, each interlocking rotating plate 6 is fixed with the push rod 11 through a bolt 13, the bolts 13 are bolts with steps, the step height of each bolt 13 is larger than the plate thickness of the push rod 11, and a certain gap is reserved between each interlocking rotating plate 6 and the push rod 11. Each of the interlocking rotating plates 6 can swing synchronously with the push rod 11.
The interlocking rotating plate 6 is bent into a C shape, the folded edges of the interlocking rotating plate are long and short, two concentric square holes are formed in the symmetrical positions of the two folded edges, and round holes are formed in the top end and the side edges of the large folded edge. The interlocking rotating plate 6 is rotatably connected with the second shaft sleeve 14 through concentric square holes on two folded edges.
The fixed bent plate 8 is L-shaped, three round holes are formed in the surface of the fixed bent plate and are respectively in rotating connection with the three second shaft sleeves 14, and two rows of round holes are formed in the two sides of the round hole in the middle of the fixed bent plate and are used for fixing the screw 9.
The front ends of the first shaft sleeve 5 and the second shaft sleeve 14 are in a small cylindrical shape and are respectively in rotating connection with the rotating plate fixing plate 4 and the fixed bent plate 8; namely: the first shaft sleeve 5 can rotate in two concentric circular holes on the corresponding rotating plate fixing plate 4; three small cylinders of the second shaft sleeve 14 are inserted into three round holes of the fixed bent plate 8, and the second shaft sleeve 14 can rotate in the round hole of the fixed bent plate 8.
The middle of the first shaft sleeve 5 and the second shaft sleeve 14 is in a square column shape and is respectively and rotatably connected with the trigger rotating plate 3 and the interlocking rotating plate 6; namely: the trigger rotating plate 3 is arranged on a square step of the first shaft sleeve 5 through two concentric square holes on the folded edge of the trigger rotating plate, and the trigger rotating plate 3 and the first shaft sleeve 5 can rotate together; the interlocking rotating plate 6 is arranged on a square step of the second shaft sleeve 14 through concentric square holes on two folded edges, and the interlocking rotating plate 6 can rotate together with the second shaft sleeve 14.
The rear ends of the first shaft sleeve 5 and the second shaft sleeve 14 are large cylindrical, and a circular hole matched with the insulating rod 12 is formed in one end face of each large cylindrical.
Two ends of the insulating rod 12 are inserted into circular holes on one end face of the large cylinder at the rear ends of the first shaft sleeve 5 and the second shaft sleeve 14, and the insulating rod 12 is provided with circular holes and fixed by adding split pins.
The microswitch 10 is connected with the push rod 11, one end of the tension spring 7 is fixed on the fixed bent plate 8 through a screw 9, the other end of the tension spring is fixed in a side hole of the long folding side of the interlocking rotating plate 6, and the screw 9 is a cross-shaped groove screw.
The push rod 11 presses the micro-gap switch 10 to move under the action of the tension spring 7, the cross-shaped groove screws 9 are installed in two rows of holes of the fixed bent plate 8, the pretension force of the tension spring 7 is adjusted through the installation positions of the cross-shaped groove screws 9, when the fusion tube 1 is fused and triggered, the trigger rotating plate 3 can be pushed to rotate, the trigger rotating plate 3 can rotate to drive the push rod 11 to move, the push rod 11 is separated from the micro-gap switch 10, the micro-gap switch 10 is restored to a free state, and when any one phase fusion tube of the fusion tube 1 is triggered, the other two-phase interlocking mechanism can be driven to move simultaneously.
The length of the insulating rod 12 depends on the value of the short-time withstand voltage of the switch cabinet and the material of the insulating rod.
The tension spring 7 is a compression spring or a torsion spring.
When the fusion tube 1 is in a normal state, the microswitch 10 is in a pre-pressing action and can be in a free state; if the state is free, the microswitch 10 is in a pressed action state after the final fusion tube is triggered.
The middle of the first shaft sleeve 5 and the second shaft sleeve 14 can be square column, and can also be irregular shapes such as rectangle, long circle, ellipse and the like, as long as the rotating plate 3 can be triggered to rotate together in a matching way.
The invention discloses a feedback trigger device of a three-phase synchronous fusion tube, which adopts a structure that a first shaft sleeve drives a trigger rotating plate to effectively simplify an interlocking structure, and the structure has smaller requirement on the installation space below the fusion tube and is compact in structure; the structure that the push rod is pre-tensioned by the tension spring is adopted, so that the condition that the micro-switch does not have wrong actions under the condition that the cabinet body vibrates can be effectively ensured; the structure that the three-phase interlocking rotating plate and the push rod are connected is adopted, so that the three-phase interlocking rotating plate can act together under the action of the push rod when any one phase fusion tube is fused, and the risk of phase-missing operation of the system is avoided.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, and are used for convenience of description and simplicity of description only, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a synchronous fuse feedback trigger device of three-phase for among the high-pressure switchgear assembly, its characterized in that includes: the device comprises three-phase synchronous fusion tubes, copper bars connected to the fusion tubes of the three-phase synchronous fusion tubes, a rotating plate fixing plate arranged on the copper bars, a trigger rotating plate arranged together with the rotating plate fixing plate through a first shaft sleeve, an insulating rod with two ends respectively fixed with the first shaft sleeve and a second shaft sleeve, a fixed bent plate rotationally connected with the second shaft sleeve through an interlocking rotating plate, a push rod fixed with the interlocking rotating plate through a bolt and capable of synchronously swinging, a micro switch connected with the push rod and a tension spring; the trigger rotating plate is rotatably connected with the first shaft sleeve, the first shaft sleeve is rotatably connected with the rotating plate fixing plate, the interlocking rotating plate is rotatably connected with the second shaft sleeve, one end of the tension spring is fixed on the fixed bent plate through a screw, and the other end of the tension spring is fixed on the interlocking rotating plate.
2. The feedback triggering device for the three-phase synchronous fusion tube according to claim 1, wherein the triggering rotating plate is bent into a C shape, two concentric square holes are formed at symmetrical positions of two bent edges of the triggering rotating plate, and the triggering rotating plate is mounted on the first shaft sleeve through the two concentric square holes on the bent edge of the triggering rotating plate.
3. The feedback triggering device for the three-phase synchronous fusion tube according to claim 1, wherein the rotating plate fixing plate is bent into a C shape, two concentric circular holes, one larger and one smaller, are formed at symmetrical positions of two bent edges of the rotating plate fixing plate, and the first shaft sleeve is rotatably connected with the two concentric circular holes on the rotating plate fixing plate.
4. The feedback trigger device of the three-phase synchronous fusion tube according to claim 1, wherein the front ends of the first shaft sleeve and the second shaft sleeve are in a shape of a small cylinder and are respectively connected with the rotating plate fixing plate and the fixed bent plate in a rotating manner; the middle of the first shaft sleeve and the second shaft sleeve is in a square column shape and is respectively and rotatably connected with the trigger rotating plate and the interlocking rotating plate; the rear ends of the first shaft sleeve and the second shaft sleeve are large cylindrical, and a circular hole matched with the insulating rod is formed in one end face of each large cylindrical.
5. The feedback trigger device of the three-phase synchronous fusion tube according to claim 1, wherein the interlocking rotating plate is bent into a C shape, and the folded edge of the interlocking rotating plate is long and short, two concentric square holes are formed at symmetrical positions of the two folded edges, and round holes are formed at the top end and the side edge of the long folded edge; the interlocking rotating plate is rotatably connected with the second shaft sleeve through concentric square holes on the two folded edges.
6. The feedback triggering device for the three-phase synchronous fusion tube according to claim 1, wherein the fixed bent plate is L-shaped, and three circular holes are formed in the surface of the fixed bent plate and are respectively connected with the second shaft sleeve in a rotating manner.
7. The feedback triggering device for the three-phase synchronous fusion tube according to claim 1, wherein the tension spring is a compression spring or a torsion spring.
8. The feedback triggering device of the three-phase synchronous fusion tube of claim 1, wherein two ends of the insulating rod are respectively fixed with the first shaft sleeve and the second shaft sleeve through split pins.
9. The feedback triggering device for the three-phase synchronous fusion tube according to claim 1, wherein the step height of the bolt is larger than the plate thickness of the push rod, and a certain gap is formed between the interlocking rotating plate and the push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710923607.0A CN107658160B (en) | 2017-09-30 | 2017-09-30 | Three-phase synchronous fusion tube feedback trigger device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710923607.0A CN107658160B (en) | 2017-09-30 | 2017-09-30 | Three-phase synchronous fusion tube feedback trigger device |
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| Publication Number | Publication Date |
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| CN107658160A CN107658160A (en) | 2018-02-02 |
| CN107658160B true CN107658160B (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710923607.0A Active CN107658160B (en) | 2017-09-30 | 2017-09-30 | Three-phase synchronous fusion tube feedback trigger device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29913698U1 (en) * | 1999-08-05 | 1999-11-04 | Bruchmann Klaus | Multi-pole switch fuse arrangement for busbar systems |
| CN201780897U (en) * | 2010-09-02 | 2011-03-30 | 广西银河迪康电气有限公司 | Fusing linkage device of fuse |
| CN202839370U (en) * | 2012-09-28 | 2013-03-27 | 厦门市恒源新电力设备有限公司 | Fuse interlocking device |
| CN205984715U (en) * | 2016-06-27 | 2017-02-22 | 安徽华电芜湖发电有限公司 | Switch fuse tripping mechanism |
| CN207282345U (en) * | 2017-09-30 | 2018-04-27 | 常熟市通用电器厂有限公司 | Three-phase synchronous fusion tube feeds back trigger device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3686786B2 (en) * | 1999-06-17 | 2005-08-24 | 関西電力株式会社 | Three pole interlocking fuse |
-
2017
- 2017-09-30 CN CN201710923607.0A patent/CN107658160B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29913698U1 (en) * | 1999-08-05 | 1999-11-04 | Bruchmann Klaus | Multi-pole switch fuse arrangement for busbar systems |
| CN201780897U (en) * | 2010-09-02 | 2011-03-30 | 广西银河迪康电气有限公司 | Fusing linkage device of fuse |
| CN202839370U (en) * | 2012-09-28 | 2013-03-27 | 厦门市恒源新电力设备有限公司 | Fuse interlocking device |
| CN205984715U (en) * | 2016-06-27 | 2017-02-22 | 安徽华电芜湖发电有限公司 | Switch fuse tripping mechanism |
| CN207282345U (en) * | 2017-09-30 | 2018-04-27 | 常熟市通用电器厂有限公司 | Three-phase synchronous fusion tube feeds back trigger device |
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| Publication number | Publication date |
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| CN107658160A (en) | 2018-02-02 |
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