CN217386998U - Outdoor high-voltage permanent magnet vacuum circuit breaker - Google Patents
Outdoor high-voltage permanent magnet vacuum circuit breaker Download PDFInfo
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- CN217386998U CN217386998U CN202221030064.2U CN202221030064U CN217386998U CN 217386998 U CN217386998 U CN 217386998U CN 202221030064 U CN202221030064 U CN 202221030064U CN 217386998 U CN217386998 U CN 217386998U
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Abstract
The utility model discloses an outdoor high-voltage permanent magnet vacuum circuit breaker, which comprises a base and an installation mechanism; base: a protective shell is arranged at an opening at the upper end of the protective shell, a vacuum bubble is arranged at the upper end in the protective shell, a fixed contact is arranged in an installation port at the upper end of the vacuum bubble, a sliding sleeve is connected in a sliding hole at the lower end of the vacuum bubble in a sliding mode, a moving contact corresponding to the fixed contact is arranged in the sliding sleeve, a permanent magnet mechanism is arranged at the center of the interior of the base, and the upper end of the permanent magnet mechanism is fixedly connected with the bottom end of the moving contact through an insulating push rod; installation mechanism: the left and right are symmetrically arranged in the base; wherein: the lateral surface lower extreme of moving contact is equipped with the flexure strip, and the wiring board and the flexure strip fixed connection that protective housing wiring inslot portion set up, this outdoor high-pressure permanent magnetism vacuum circuit breaker, the structure is simpler, and it is more convenient to install, can also carry out holistic removal to the base after the installation, makes things convenient for subsequent wiring, and it is more convenient to use.
Description
Technical Field
The utility model relates to a vacuum circuit breaker technical field specifically is an outdoor high-pressure permanent magnetism vacuum circuit breaker.
Background
The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum, and has the advantages of small volume, light weight, frequent operation and no need of maintenance for arc extinguishing. The spring operating mechanism consists of a spring energy storage part, a closing keeping part and a switching-off part. The outdoor high-voltage permanent magnet vacuum circuit breaker has the advantages that a high-power supply is not needed, the structure is complex, the manufacturing process is complex, the cost is high, the reliability is difficult to guarantee, the structure of an electromagnetic operating mechanism is simple, the structure is heavy, the power consumption of a closing coil is high, the circuit breaker is not convenient to install, and therefore the outdoor high-voltage permanent magnet vacuum circuit breaker is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an outdoor high pressure permanent magnetism vacuum circuit breaker, the structure is simpler, can reduce the volume of circuit breaker greatly, and it is more convenient to install, can also carry out holistic removal to the base after the installation, makes things convenient for subsequent wiring, and it is more convenient to use, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an outdoor high-voltage permanent magnet vacuum circuit breaker comprises a base and an installation mechanism;
base: a protective shell is arranged at an opening at the upper end of the protective shell, a vacuum bubble is arranged at the upper end in the protective shell, a fixed contact is arranged in an installation port at the upper end of the vacuum bubble, a sliding sleeve is connected in a sliding hole at the lower end of the vacuum bubble in a sliding mode, a moving contact corresponding to the fixed contact is arranged in the sliding sleeve, a permanent magnet mechanism is arranged at the center of the interior of the base, and the upper end of the permanent magnet mechanism is fixedly connected with the bottom end of the moving contact through an insulating push rod;
installation mechanism: the left and right are symmetrically arranged in the base;
wherein: the lateral surface lower extreme of moving contact is equipped with the flexure strip, and the wiring board and the flexure strip fixed connection that protective housing wiring inslot portion set up, the structure is simpler, can reduce the volume of circuit breaker greatly, and it is more convenient to install, can also carry out holistic removal to the base after the installation, makes things convenient for subsequent wiring, and it is more convenient to use.
Further, permanent magnetic mechanism includes closing coil, shell, moves iron core, permanent magnet and separating brake coil, the shell sets up in the inside center department of base, and the inside of shell is equipped with closing coil, permanent magnet and separating brake coil from the top down in proper order, moves iron core sliding connection in permanent magnet's inside, moves iron core and closing coil and separating brake coil cooperation setting, moves the upper end of iron core extend to the outside of shell and with insulating push rod fixed connection, and the structure is simpler, can reduce the volume of circuit breaker greatly.
Further, installation mechanism includes internal thread cover, second lead screw and L type stabilizer blade, L type stabilizer blade sliding connection respectively in the bar mouth that the base lower surface corresponds the setting, and the relative medial surface of two L type stabilizer blades that vertically correspond all is equipped with the second lead screw, and two second lead screws that the axial corresponds all with internal thread cover threaded connection, conveniently adjust the position of L type stabilizer blade, the installation of being convenient for.
Furthermore, the number of the second screw rods is four, and the two second screw rods positioned in the same internal thread sleeve are opposite in thread direction, so that the L-shaped support legs can move synchronously.
Furthermore, the middle part of the internal thread sleeve is rotatably connected with a connecting plate, the inner walls of the base are symmetrically and rotatably connected with first lead screws, and the first lead screws are respectively in threaded connection with screw holes in the upper end of the connecting plate corresponding to the same side, so that the position of the base can be continuously adjusted after installation.
Furthermore, the upper end of the protective shell is in threaded connection with a T-shaped protective sleeve, an opening at the upper end of the T-shaped protective sleeve is buckled with a sealing cover, the upper end of the fixed contact sequentially penetrates through the vacuum bubble and the protective shell and is located inside the T-shaped protective sleeve, and the connecting part of the fixed contact and the cable is protected.
Furthermore, the upper edge surface and the lower edge surface of the sliding sleeve are both provided with sealing rings, so that the sealing performance between the sliding sleeve and the vacuum bubbles is ensured.
Compared with the prior art, the beneficial effects of the utility model are that: this outdoor high-pressure permanent magnetism vacuum circuit breaker has following benefit:
1. when the vacuum switch is used, the controller in the base controls the switch-on coil to be electrified to generate an induction magnetic field, the magnetic field generates upward attraction to the movable iron core, the upward attraction becomes larger along with the increase of the switch-on current, when the switch-on current reaches a critical value, the resultant force direction received by the movable iron core is upward, the movable iron core moves upward, when the movable iron core reaches the upper end of the shell, the magnetic fields generated by the permanent magnet and the switch-on coil firmly adsorb the movable iron core at the upper end, then the switch-on current disappears, the magnetic field generated by the permanent magnet keeps the movable iron core at the upper end, meanwhile, the upper end of the movable iron core pushes the movable contact to move upward through the insulating push rod, the elastic sheet generates elastic deformation, the sliding sleeve slides upward along the sliding hole at the lower end of the vacuum bubble, the sealing ring can ensure the sealing property between the sliding sleeve and the vacuum bubble, the vacuum degree in the vacuum bubble is ensured until the movable contact with the fixed contact, the circuit switches on this moment, when needing the separating brake, the controller control separating brake coil circular telegram produces induction magnetic field, makes movable core move down, the moving contact with decide the contact separation can, the structure is simpler, can reduce the volume of circuit breaker greatly, it is more convenient to use.
2. Rotate the internal thread cover, thereby drive two inside second lead screw antiport of internal thread cover, make the base lower extreme be located the inside L type stabilizer blade of same bar mouth and move in opposite directions simultaneously, thereby adjust the interval between the L type stabilizer blade, make things convenient for the installation of base fixed, rotate two first lead screws in step, it takes place relative displacement with the base to drive the internal thread cover through the connecting plate with first lead screw threaded connection, and then make fixed back L type stabilizer blade and base take place relative displacement, it is more convenient to install, can also carry out holistic removal to the base after the installation, make things convenient for subsequent wiring.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal cross-sectional structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;
fig. 4 is a schematic view of a partial structure of the mounting mechanism of the present invention.
In the figure: the device comprises a base 1, an installation mechanism 2, a first screw rod 21, a connecting plate 22, an internal thread sleeve 23, a second screw rod 24, a 25L-shaped support leg, a permanent magnet mechanism 3, a closing coil 31, a shell 32, a movable iron core 33, a permanent magnet 34, a separating coil 35, a protective shell 4, a vacuum bubble 5, a fixed contact 6, a sliding sleeve 7, a sealing ring 71, a movable contact 8, an elastic sheet 9, a wiring board 10, an insulating push rod 11, a protective sleeve 12T and a sealing cover 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present embodiment provides a technical solution: an outdoor high-voltage permanent magnet vacuum circuit breaker comprises a base 1 and an installation mechanism 2;
base 1: a protective shell 4 is arranged at an opening at the upper end of the protective shell 4, a vacuum bubble 5 is arranged at the inner upper end of the protective shell 4, a fixed contact 6 is arranged in an installation port at the upper end of the vacuum bubble 5, a sliding sleeve 7 is connected in a sliding hole at the lower end of the vacuum bubble 5 in a sliding manner, a moving contact 8 corresponding to the fixed contact 6 is arranged in the sliding sleeve 7, sealing rings 71 are arranged on the upper edge surface and the lower edge surface of the sliding sleeve 7 respectively, a permanent magnetic mechanism 3 is arranged at the inner center of the base 1, the upper end of the permanent magnetic mechanism 3 is fixedly connected with the bottom end of the moving contact 8 through an insulating push rod 11, the permanent magnetic mechanism 3 comprises a closing coil 31, a shell 32, a movable iron core 33, a permanent magnetic magnet 34 and a separating coil 35, the shell 32 is arranged at the inner center of the base 1, the closing coil 31, the permanent magnetic magnet 34 and the separating coil 35 are sequentially arranged in the shell 32 from top to bottom, the movable iron core 33 is connected in the permanent magnetic magnet 34 in a sliding manner, and the movable iron core 33 is matched with the closing coil 31 and the separating coil 35, when the switch-on current reaches a critical value, the resultant force direction of the movable iron core 33 is upward, so that the movable iron core 33 moves upward, when the movable iron core 33 reaches the upper end of the shell 32, the magnetic fields generated by the permanent magnet 34 and the switch-on coil 31 firmly adsorb the movable iron core at the upper end, then the switch-on current disappears, at the moment, the magnetic field generated by the permanent magnet keeps the movable iron core at the upper end position, and simultaneously, the upper end of the movable iron core 33 pushes the movable contact 8 to move upward through the insulating push rod 11, so that the elastic sheet 9 is elastically deformed, the sliding sleeve 7 slides upwards along a sliding hole at the lower end of the vacuum bubble 5, the sealing ring 71 can ensure the sealing property between the sliding sleeve 7 and the vacuum bubble 5 and ensure the vacuum degree in the vacuum bubble 5 until the movable contact 8 is contacted with the fixed contact 6, the circuit is conducted at the moment, and when the opening is needed, the controller controls the opening coil 35 to be electrified to generate an induction magnetic field, so that the movable iron core 33 moves downwards, and the movable contact 8 is separated from the fixed contact 6;
the mounting mechanism 2: the left and right symmetry of the installation mechanism is arranged in the base 1, the installation mechanism 2 comprises an internal thread sleeve 23, second screw rods 24 and L-shaped support legs 25, the L-shaped support legs 25 are respectively connected in a sliding manner in strip-shaped openings correspondingly arranged on the lower surface of the base 1, the opposite inner side surfaces of the two L-shaped support legs 25 which longitudinally correspond are respectively provided with the second screw rods 24, the two second screw rods 24 which axially correspond are respectively in threaded connection with the internal thread sleeve 23, the number of the second screw rods 24 is four, the thread directions of the two second screw rods 24 which are positioned in the same internal thread sleeve 23 are opposite, the middle part of the internal thread sleeve 23 is respectively and rotatably connected with a connecting plate 22, the front and back inner walls of the base 1 are respectively and rotatably connected with first screw rods 21 in a left and right symmetry manner, the first screw rods 21 are respectively in threaded connection with the upper end screw holes of the connecting plate 22 which correspond to the same side, the internal thread sleeve 23 is rotated, so as to drive the two second screw rods 24 in the internal thread sleeve 23 to reversely move, meanwhile, the L-shaped support legs 25 at the lower end of the base 1 and positioned in the same strip-shaped opening move oppositely, so that the distance between the L-shaped support legs 25 is adjusted, the base 1 is convenient to mount and fix, the two first screw rods 21 are synchronously rotated, the internal thread sleeve 23 is driven by the connecting plate 22 in threaded connection with the first screw rods 21 to relatively displace with the base 1, the fixed L-shaped support legs 25 and the base 1 relatively displace, and subsequent wiring is convenient;
wherein: moving contact 8's lateral surface lower extreme is equipped with flexure strip 9, the inside wiring board 10 and the flexure strip 9 fixed connection that sets up of protective housing 4 wiring groove, guarantee that moving contact 8 is being connected with flexure strip 9's normal when removing wiring board 10, protective housing 4's upper end threaded connection has T type lag 12, T type lag 12's upper end opening part lock joint has closing cap 13, the upper end of deciding contact 6 runs through vacuum bubble 5 and protective housing 4 in proper order and is located T type lag 12's inside, can play the guard action to the junction of deciding contact 6 and cable.
The utility model provides a pair of outdoor high-pressure permanent magnetism vacuum circuit breaker's theory of operation as follows: the internal thread sleeve 23 is clamped from the middle part of a strip-shaped opening at the lower end of the base 1 through a tool, the internal thread sleeve 23 is rotated, so that two second screw rods 24 in the internal thread sleeve 23 are driven to move in opposite directions, meanwhile, the L-shaped support legs 25 at the lower end of the base 1 positioned in the same strip-shaped opening move oppositely, so that the distance between the L-shaped support legs 25 is adjusted, the base 1 is convenient to install and fix, the two first screw rods 21 are synchronously rotated, the internal thread sleeve 23 and the base 1 are driven to move relatively through a connecting plate 22 in threaded connection with the first screw rods 21, the fixed L-shaped support legs 25 and the base 1 move relatively, subsequent wiring is convenient, an external cable is respectively communicated with the fixed contact 6 and the wiring board 10, at the moment, the T-shaped protective sleeve 12 and the sealing cover 13 can play a protective role in protecting the connection part of the fixed contact 6 and the cable, and during use, the controller in the base 1 controls the closing coil 31 to be electrified to generate an induction magnetic field, the magnetic field generates upward attractive force to the movable iron core, the upward attractive force is increased along with the increase of closing current, when the closing current reaches a critical value, the resultant force direction borne by the movable iron core 33 is upward, the movable iron core 33 is moved upward, when the movable iron core 33 reaches the upper end of the shell 32, the magnetic field generated by the permanent magnet 34 and the closing coil 31 firmly adsorbs the movable iron core to the upper end, then the closing current disappears, the magnetic field generated by the permanent magnet keeps the movable iron core at the upper end position, meanwhile, the upper end of the movable iron core 33 pushes the movable contact 8 to move upward through the insulating push rod 11, the elastic sheet 9 is elastically deformed, the sliding sleeve 7 slides upward along the sliding hole at the lower end of the vacuum bulb 5, the sealing ring 71 can ensure the sealing property between the sliding sleeve 7 and the vacuum bulb 5, the vacuum degree in the vacuum bulb 5 is ensured until the movable contact between the movable contact 8 and the fixed contact 6, and the circuit is conducted, when the brake is required to be opened, the controller controls the opening coil 35 to be electrified to generate an induction magnetic field, so that the movable iron core 33 moves downwards, and the movable contact 8 is separated from the fixed contact 6.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. An outdoor high-voltage permanent magnet vacuum circuit breaker, its characterized in that: comprises a base (1) and an installation mechanism (2);
base (1): a protective shell (4) is arranged at an opening at the upper end of the protective shell (4), a vacuum bubble (5) is arranged at the upper end inside the protective shell (4), a fixed contact (6) is arranged in an installation port at the upper end of the vacuum bubble (5), a sliding sleeve (7) is connected in a sliding hole at the lower end of the vacuum bubble (5) in a sliding manner, a moving contact (8) corresponding to the fixed contact (6) is arranged inside the sliding sleeve (7), a permanent magnet mechanism (3) is arranged at the center inside the base (1), and the upper end of the permanent magnet mechanism (3) is fixedly connected with the bottom end of the moving contact (8) through an insulating push rod (11);
mounting mechanism (2): the left and right are symmetrically arranged in the base (1);
wherein: the lower end of the outer side surface of the moving contact (8) is provided with an elastic sheet (9), and a wiring board (10) arranged in a wiring groove of the protective shell (4) is fixedly connected with the elastic sheet (9).
2. An outdoor high-voltage permanent-magnet vacuum circuit breaker according to claim 1, characterized in that: permanent magnetic mechanism (3) are including closing a floodgate coil (31), shell (32), move iron core (33), permanent magnet (34) and separating brake coil (35), shell (32) set up in the inside center department of base (1), and the inside of shell (32) is equipped with closing a floodgate coil (31), permanent magnet (34) and separating brake coil (35) from the top down in proper order, moves iron core (33) sliding connection in the inside of permanent magnet (34), moves iron core (33) and closing a floodgate coil (31) and separating brake coil (35) cooperation setting, moves the upper end of iron core (33) and extends to the outside of shell (32) and with insulating push rod (11) fixed connection.
3. An outdoor high-voltage permanent-magnet vacuum circuit breaker according to claim 1, characterized in that: installation mechanism (2) include internal thread cover (23), second lead screw (24) and L type stabilizer blade (25), L type stabilizer blade (25) sliding connection respectively in the bar mouth that base (1) lower surface corresponds the setting, and two relative medial surfaces of L type stabilizer blade (25) that vertically correspond all are equipped with second lead screw (24), and two second lead screws (24) that the axial corresponds all with internal thread cover (23) threaded connection.
4. An outdoor high-voltage permanent-magnet vacuum circuit breaker according to claim 3, characterized in that: the number of the second screw rods (24) is four, and the thread directions of the two second screw rods (24) positioned in the same internal thread sleeve (23) are opposite.
5. An outdoor high-voltage permanent-magnet vacuum circuit breaker according to claim 3, characterized in that: the middle part of the internal thread sleeve (23) is rotatably connected with a connecting plate (22), the front inner wall and the rear inner wall of the base (1) are connected with a first screw rod (21) in a bilateral-symmetrical manner, and the first screw rod (21) is respectively in threaded connection with screw holes in the upper end of the connecting plate (22) corresponding to the same side.
6. An outdoor high-voltage permanent-magnet vacuum circuit breaker according to claim 1, characterized in that: the upper end threaded connection of protective housing (4) has T type lag (12), and the upper end opening part lock joint of T type lag (12) has closing cap (13), and vacuum bubble (5) and protective housing (4) are run through in proper order and are located the inside of T type lag (12) to the upper end of deciding contact (6).
7. An outdoor high-voltage permanent-magnet vacuum circuit breaker according to claim 1, characterized in that: and the upper edge surface and the lower edge surface of the sliding sleeve (7) are both provided with sealing rings (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221030064.2U CN217386998U (en) | 2022-04-29 | 2022-04-29 | Outdoor high-voltage permanent magnet vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221030064.2U CN217386998U (en) | 2022-04-29 | 2022-04-29 | Outdoor high-voltage permanent magnet vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217386998U true CN217386998U (en) | 2022-09-06 |
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ID=83108536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221030064.2U Active CN217386998U (en) | 2022-04-29 | 2022-04-29 | Outdoor high-voltage permanent magnet vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217386998U (en) |
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2022
- 2022-04-29 CN CN202221030064.2U patent/CN217386998U/en active Active
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