CN109166769B - High-voltage direct-current circuit breaker for direct-current transmission - Google Patents
High-voltage direct-current circuit breaker for direct-current transmission Download PDFInfo
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- CN109166769B CN109166769B CN201811091452.XA CN201811091452A CN109166769B CN 109166769 B CN109166769 B CN 109166769B CN 201811091452 A CN201811091452 A CN 201811091452A CN 109166769 B CN109166769 B CN 109166769B
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- circuit breaker
- breaker body
- sliding
- air bag
- direct current
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/025—Constructional details of housings or casings not concerning the mounting or assembly of the different internal parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
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Abstract
The invention discloses a high-voltage direct-current circuit breaker for direct-current transmission, which comprises a circuit breaker body, wherein the bottom of the circuit breaker body is detachably connected with an upper base. The circuit breaker is simple in structure, when the circuit breaker body is vibrated by external force, the upper base can drive the supporting rod to move up and down, the conical sliding block can move left and right by utilizing the inclined plane between the conical sliding block and the sliding groove, the first spring realizes first-step buffering and damping, the sub air bag and the main air bag interact to perform second damping, when the vibration amplitude of the circuit breaker body is too large, the circuit breaker body can touch the pressing plate to drive the sliding rod to move downwards, the two conductive blocks are in contact, a circuit is connected, and an alarm bell works to remind people of abnormal detection.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a high-voltage direct-current circuit breaker for direct-current transmission.
Background
The high-voltage circuit breaker (or called high-voltage switch) not only can cut off or close the no-load current and load current in the high-voltage circuit, but also can cut off the overload current and short-circuit current by the action of the relay protection device when the system has a fault, and has quite perfect arc extinguishing structure and enough current breaking capacity, and can be divided into: oil circuit breakers (multiple oil circuit breakers, less oil circuit breakers), sulfur hexafluoride circuit breakers (SF 6 circuit breakers), compressed air circuit breakers, vacuum circuit breakers, etc.; when the existing circuit breaker is subjected to external force and generates vibration, the shock absorption cannot be carried out, and the normal work of the existing circuit breaker is influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a high-voltage direct-current circuit breaker for direct-current transmission.
In order to achieve the purpose, the invention adopts the following technical scheme:
high-voltage direct current breaker for direct current transmission, including the circuit breaker body, the bottom of circuit breaker body can be dismantled and be connected with the base, and the bottom of going up the base is connected with the bracing piece, and the lower extreme of bracing piece is pegged graft in the slot that the base top was seted up down, is equipped with damping device in the slot, and the middle bottom of lower base is equipped with the siren, and the top of base is connected with the shock attenuation board down.
Preferably, damping device is including connecting the female gasbag of diapire in the slot, and female gasbag upper end and bracing piece lower extreme contact have been seted up to the lateral wall of slot, and the inner diapire of mounting groove is connected with one side of same toper slider through sub-gasbag and first spring respectively, and the opposite side sliding connection of toper slider is in the spout that the bracing piece lateral wall was seted up, and the junction of toper slider and spout is the inclined plane, and sub-gasbag passes through trachea and female gasbag intercommunication.
Preferably, the inclined plane of the tapered sliding block close to one end of the supporting rod is provided with a placing groove, and the inner wall of the placing groove is rotatably connected with a roller.
Preferably, the alarm comprises a threaded sleeve in threaded connection with the lower base, a slide rod is inserted into the inner ring of the threaded sleeve in a sliding mode, the outer ring of the lower end of the threaded sleeve is connected with a U-shaped frame, the side wall of the U-shaped frame is connected with an alarm bell and a storage battery respectively, the lower end of the slide rod is connected with a conductive block and a permanent magnet respectively on the side opposite to the U-shaped frame, a pressing plate is connected to the upper end of the slide rod, a second spring is sleeved on the slide rod, the two ends of the second spring are respectively abutted to the upper end face of the threaded sleeve and the lower end face of the pressing plate, and the two conductive blocks, the alarm bell and the storage battery are connected through wires and form.
Preferably, the damping plate comprises at least two layers of elastic plates, and the two adjacent layers of elastic plates are connected through elastic connecting strips arranged in a crossed manner.
Preferably, the side wall of the circuit breaker body is connected with a plurality of heat dissipation strips arranged in parallel.
Preferably, a nameplate is connected to the side wall of the circuit breaker body through a screw.
Preferably, the bottom of the circuit breaker body is spliced with an adjusting bolt, the lower end of the adjusting bolt is spliced in a strip-shaped opening formed in the top of the upper base, and a nut is sleeved on the adjusting bolt in a threaded manner for fixing.
Compared with the prior art, the invention has the beneficial effects that: the circuit breaker is simple in structure, when the circuit breaker body is vibrated by external force, the upper base can drive the supporting rod to move up and down, the conical sliding block can move left and right by utilizing the inclined plane between the conical sliding block and the sliding groove, the first spring realizes first-step buffering and damping, the sub air bag and the main air bag interact to perform second damping, when the vibration amplitude of the circuit breaker body is too large, the circuit breaker body can touch the pressing plate to drive the sliding rod to move downwards, the two conductive blocks are in contact, a circuit is connected, and an alarm bell works to remind people of abnormal detection.
Drawings
FIG. 1 is a schematic structural diagram according to the present invention;
FIG. 2 is an enlarged view of the portion B of FIG. 1;
FIG. 3 is an enlarged view of the portion A in FIG. 1;
fig. 4 is a schematic structural view of the damper plate.
In the figure: the circuit breaker comprises a circuit breaker body 1, a name plate 2, a heat dissipation strip 3, an upper base 4, an adjusting bolt 5, a support rod 6, a damping plate 7, an elastic plate 701, an elastic connecting strip 702, a damping device 8, a conical sliding block 801, a sub-air bag 802, a first spring 803, a main air bag 804, a roller 805, an alarm 9, a pressing plate 901, a U-shaped frame 902, an alarm bell 903, a storage battery 904, a threaded sleeve 905, a sliding rod 906, a conductive block 907, a permanent magnet 908 and a lower base 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, high voltage direct current breaker for direct current transmission includes circuit breaker body 1, and the bottom of circuit breaker body 1 can be dismantled and be connected with upper base 4, and the bottom of upper base 4 is connected with bracing piece 6, and the lower extreme of bracing piece 6 is pegged graft in the slot of base 10 top down offered, is equipped with damping device 8 in the slot, and the middle bottom of base 10 is equipped with siren 9 down, and the top of base 10 is connected with shock attenuation board 7 down.
The inclined plane of the tapered slide block 801 near one end of the support rod 6 is provided with a placing groove, and the inner wall of the placing groove is rotatably connected with a roller 805 to reduce friction.
The alarm 9 comprises a threaded sleeve 905 in threaded connection with the lower base 10, a sliding rod 906 is inserted into the inner ring of the threaded sleeve 905 in a sliding mode, the outer ring of the lower end of the threaded sleeve 905 is connected with a U-shaped frame 902, the side wall of the U-shaped frame 902 is respectively connected with an alarm bell 903 and a storage battery 904, the lower end of the sliding rod 906 and one side, opposite to the U-shaped frame 902, of the lower end of the sliding rod 906 are respectively connected with a conductive block 907 and a permanent magnet 908, the upper end of the sliding rod 906 is connected with a pressing plate 901, a second spring is sleeved on the sliding rod 906, two ends of the second spring are respectively connected with the upper end of the threaded sleeve 905 and the pressing plate 901, the two conductive blocks 907, the alarm bell 903 and the storage battery 904 are connected through wires to form a series circuit, and.
The damping plate 7 comprises at least two layers of elastic plates 701, and the two adjacent layers of elastic plates 701 are connected through elastic connecting strips 702 arranged in a crossed mode, so that the buffering capacity is improved.
The lateral wall of circuit breaker body 1 is connected with many parallel arrangement's heat dissipation strip 3, improves the thermal diffusivity.
The side wall of the circuit breaker body 1 is connected with a nameplate 2 through a screw.
Adjusting bolt 5 is inserted in the bottom of circuit breaker body 1, and adjusting bolt 5's lower extreme is inserted in the bar opening of seting up at last 4 tops of base, and adjusting bolt 5 goes up the screw thread and has cup jointed the nut and fix, and the circuit breaker body 1 of practical different length is convenient for install.
In the present case, when the circuit breaker body 1 is vibrated by external force, the upper base 4 can drive the support rod 6 to move up and down, the inclined plane between the tapered slider 801 and the chute is utilized, the tapered slider 801 can move left and right, the first spring 803 realizes first-step buffering and damping, the sub air bag 802 and the mother air bag 804 interact with each other, secondary damping is performed, when the vibration amplitude of the circuit breaker body 1 is too large, the circuit breaker body 1 can touch the pressing plate 901, the slide bar 906 is driven to move downwards, the two conductive blocks 907 are contacted, a circuit is connected, the alarm bell 903 works to remind people of abnormal detection, the two permanent magnets 908 attract and can keep the contact state of the two conductive blocks 907, meanwhile, the cooperation effect between the elastic plate 701 and the elastic connecting strip 702 can avoid rigid collision between the upper base 4 and the lower base 10, and damage is.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. High-voltage direct-current circuit breaker for direct-current transmission comprises a circuit breaker body (1) and is characterized in that the bottom of the circuit breaker body (1) is detachably connected with an upper base (4), the bottom of the upper base (4) is connected with a supporting rod (6), the lower end of the supporting rod (6) is inserted into a slot formed in the top of a lower base (10), a damping device (8) is arranged in the slot, the middle bottom of the lower base (10) is provided with an alarm (9), the top of the lower base (10) is connected with a damping plate (7), the damping device (8) comprises a main air bag (804) connected to the inner bottom wall of the slot, the upper end of the main air bag (804) is in contact with the lower end of the supporting rod (6), the side wall of the slot is provided with a mounting groove, the inner bottom wall of the mounting groove is respectively connected with one side of the, the other side of the conical sliding block (801) is connected in a sliding groove formed in the side wall of the supporting rod in a sliding mode, the connecting position of the conical sliding block (801) and the sliding groove is an inclined plane, and the sub air bag (802) is communicated with the main air bag (804) through an air pipe.
2. The HVDC breaker for DC transmission according to claim 1, characterized in that the tapered slider (801) has a placement groove on its slope near one end of the support rod (6), and a roller (805) is rotatably connected to the inner wall of the placement groove.
3. High voltage direct current circuit breaker for direct current transmission according to claim 1, the alarm (9) comprises a threaded sleeve (905) in threaded connection with the lower base (10), a sliding rod (906) is inserted into an inner ring of the threaded sleeve (905) in a sliding mode, a U-shaped frame (902) is connected to an outer ring of the lower end of the threaded sleeve (905), an alarm bell (903) and a storage battery (904) are connected to the side wall of the U-shaped frame (902) respectively, a conductive block (907) and a permanent magnet (908) are connected to one side, opposite to the U-shaped frame (902), of the lower end of the sliding rod (906) respectively, a pressing plate (901) is connected to the upper end of the sliding rod (906), and a second spring is sleeved on the sliding rod, and two ends of the second spring are respectively connected with the upper end of the threaded sleeve (905) and the pressing plate (901), and the two conductive blocks (907), the alarm bell (903) and the storage battery (904) are connected through leads to form a series circuit.
4. The HVDC breaker for direct current transmission according to claim 1, wherein the damping plate (7) comprises at least two layers of elastic plates (701), and the two adjacent layers of elastic plates (701) are connected by an elastic connecting strip (702) arranged crosswise.
5. High voltage direct current circuit breaker for direct current transmission according to claim 1, characterized in that a plurality of parallel arranged heat sink strips (3) are connected to the side wall of the circuit breaker body (1).
6. The hvdc breaker for dc transmission according to claim 1, characterized in that a nameplate (2) is attached to the side wall of the breaker body (1) by means of screws.
7. The HVDC breaker for direct current transmission according to claim 1, wherein an adjusting bolt (5) is inserted into the bottom of the breaker body (1), the lower end of the adjusting bolt (5) is inserted into a strip-shaped opening formed in the top of the upper base (4), and a nut is sleeved on the adjusting bolt (5) in a threaded manner for fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091452.XA CN109166769B (en) | 2018-09-19 | 2018-09-19 | High-voltage direct-current circuit breaker for direct-current transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091452.XA CN109166769B (en) | 2018-09-19 | 2018-09-19 | High-voltage direct-current circuit breaker for direct-current transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109166769A CN109166769A (en) | 2019-01-08 |
| CN109166769B true CN109166769B (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811091452.XA Active CN109166769B (en) | 2018-09-19 | 2018-09-19 | High-voltage direct-current circuit breaker for direct-current transmission |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706064A (en) * | 2020-12-28 | 2021-04-27 | 台州建筑安装工程公司 | Safety protection type anti-seismic noise-reducing electromechanical engineering equipment for building construction |
| CN117558587A (en) * | 2022-04-24 | 2024-02-13 | 蒋丽娜 | Hybrid high-voltage direct-current circuit breaker |
| CN116206928B (en) * | 2023-01-30 | 2024-03-01 | 陕西龙伸电气有限公司 | Current-limiting circuit breaker with shock resistance |
| CN116705559B (en) * | 2023-06-28 | 2023-11-28 | 江苏爱斯凯电气有限公司 | Supporting device for high-voltage vacuum circuit breaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207474391U (en) * | 2017-12-06 | 2018-06-08 | 天津市德利泰开关有限公司 | A kind of breaker sealing installation structure |
| CN108400539A (en) * | 2018-02-02 | 2018-08-14 | 刘嘉豪 | A kind of low voltage equipment of good damping effect |
| CN108550494A (en) * | 2018-06-26 | 2018-09-18 | 河南亚邦电气有限公司 | A kind of outdoor high-pressure vacuum breaker |
-
2018
- 2018-09-19 CN CN201811091452.XA patent/CN109166769B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207474391U (en) * | 2017-12-06 | 2018-06-08 | 天津市德利泰开关有限公司 | A kind of breaker sealing installation structure |
| CN108400539A (en) * | 2018-02-02 | 2018-08-14 | 刘嘉豪 | A kind of low voltage equipment of good damping effect |
| CN108550494A (en) * | 2018-06-26 | 2018-09-18 | 河南亚邦电气有限公司 | A kind of outdoor high-pressure vacuum breaker |
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| CN109166769A (en) | 2019-01-08 |
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