CN111489915B - Vacuum switch - Google Patents
Vacuum switch Download PDFInfo
- Publication number
- CN111489915B CN111489915B CN202010347159.6A CN202010347159A CN111489915B CN 111489915 B CN111489915 B CN 111489915B CN 202010347159 A CN202010347159 A CN 202010347159A CN 111489915 B CN111489915 B CN 111489915B
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- switch
- vacuum
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- spring
- disc
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
A vacuum switch comprises a base, a vacuum switch-on mechanism, a switch mechanism, an access hole, an overcurrent suction mechanism and a clamping rod; the vacuum connection mechanism is connected between the access hole and the access hole through an electrified wire; the switch mechanism is slidably mounted on the base; the overcurrent suction mechanism is connected with the vacuum connection mechanism in series; for detecting a current peak; the clamping rod is arranged between the switch mechanism and the overcurrent suction mechanism; for jamming and driving the switching mechanism; aiming at the problems, the overcurrent absorbing mechanism is arranged, when the circuit current is overlarge, the overcurrent absorbing mechanism generates magnetic force to absorb the armature iron to drive the clamping rod to leave the clamping groove, and the switch mechanism moves upwards under the elastic force of the reset mechanism spring to break the circuit; the function of protecting the circuit is achieved.
Description
Technical Field
The invention relates to the technical field of electric shock prevention, in particular to a vacuum switch.
Background
Because some inflammable and explosive places can not produce naked light or electric spark, the switching of some power utilization switches in the places can produce electric spark, and the electric spark can cause an explosive fuse, and the patent number is as follows: 2017217890508, a chinese utility model discloses a vacuum switch; the corrugated pipe comprises an insulating shell, wherein a static end cover is arranged at the top of the insulating shell, a fixing bolt is arranged at the top of the static end cover, the static end cover is connected with the insulating shell through the fixing bolt, a movable end cover is arranged at the bottom of the insulating shell, a movable conducting rod is inserted into an inner cavity of the movable end cover, a step is arranged at the top end of the movable conducting rod, one end of a corrugated pipe is arranged at the top of the movable end cover, and the other end of the corrugated pipe is connected with the step; thereby forming a sealed environment;
however, when the current of the switching circuit is too large, the power cannot be cut off in time to cause electric shock and damage inside the vacuum arc-extinguishing chamber, and further fire and explosion occur, so that a vacuum switch with overcurrent protection is needed.
Disclosure of Invention
Aiming at the problems, the overcurrent absorbing mechanism is arranged, when the circuit current is overlarge, the overcurrent absorbing mechanism generates magnetic force to absorb the armature iron to drive the clamping rod to leave the clamping groove, and the switch mechanism moves upwards under the elastic force of the reset mechanism spring to break the circuit; the function of protecting the circuit is achieved; the corrugated pipe is pushed upwards to drive the driving rod to drive the rotary switch-on disc to rotate, so that two power-on grooves on the rotary switch-on disc are staggered with the contacts to achieve power failure; the corrugated pipe is pulled downwards to drive the driving rod to drive the rotary connection disc to rotate, so that the two power-on grooves in the rotary connection disc and the contacts are reset to be connected; to realize the on-off of the control circuit.
The technical scheme adopted by the invention is as follows: a vacuum switch comprises a base, a vacuum switch-on mechanism, a switch mechanism, an access hole, an overcurrent suction mechanism and a clamping rod; the vacuum connecting mechanism is connected between the access hole and the access hole through a live wire; the switch mechanism is slidably mounted on the base; the overcurrent suction mechanism is connected in series with the vacuum connection mechanism; for detecting a current peak; the clamping rod is arranged between the switch mechanism and the overcurrent suction mechanism; for jamming and driving the switching mechanism;
the vacuum connection mechanism comprises a vacuum arc extinguish chamber, a conductive column, a contact, a hollow tube, a rotary connection disc, a spiral column, a driving rod and a corrugated tube; the vacuum arc-extinguishing chamber is a cylindrical pipe, the hollow pipe is arranged at two ends of the vacuum arc-extinguishing chamber, and the conductive column is fixedly arranged at the outer side end of the hollow pipe; the contact is arranged in the hollow tube in a sliding way, a spring is arranged on the contact, and the spring enables the contact to move towards the direction of the rotating switch-on disc; the rotary through disc is rotatably arranged in the vacuum arc extinguish chamber; two electrifying grooves are arranged on the rotary connecting disc, and a spiral column is fixedly arranged below the rotary connecting disc; a spiral groove is formed in the spiral column; the corrugated pipe is arranged below the vacuum arc extinguish chamber; a driving rod is arranged in the corrugated pipe and is slidably arranged in a groove on the side surface of the spiral column; the corrugated pipe is pushed upwards to drive the driving rod to drive the rotary switch-on disc to rotate, so that two power-on grooves on the rotary switch-on disc are staggered with the contacts to achieve power failure;
the switch mechanism comprises a vacuum connecting mechanism connecting plate, a reset mechanism spring, a clamping groove rod and a clamping groove, wherein the clamping groove is arranged on the clamping groove rod; the clamping rod moves towards the direction of the overcurrent suction mechanism through the stress of the clamping rod so as to enable the clamping rod to leave the clamping groove below, and the switch mechanism moves upwards under the action of the spring of the reset mechanism so as to enable the vacuum switch-on mechanism to be powered off.
Furthermore, the conductive column is fixedly connected with the hollow tube in a sealing way; the contact is in contact with the conductive post.
Furthermore, the rotary connecting disc is made of insulating materials, and the two electrifying grooves on the rotary connecting disc are connected.
Furthermore, the switch mechanism comprises a vacuum switch-on mechanism connecting plate, a reset mechanism spring, a clamping groove rod, a clamping groove, a pull ring and a button rod mechanism, wherein the pull ring is arranged on the clamping groove rod and used for manually controlling the switch to be opened and closed; the button rod mechanism is slidably mounted in the slot rod for assisting in pulling the pull ring.
Further, the button rod mechanism comprises a button rod, a top ball and a button rod spring, wherein the button rod spring is installed below the button rod and enables the button rod to move upwards; a top bead is arranged on the side surface of the button rod; the button rod is manually pressed down to drive the top bead to move downwards, so that the top bead can eject the clamping rod out of the clamping groove, and the pull ring can be pulled by hand to manually control the opening and closing of the vacuum tube arc extinguish chamber fixing seat.
Further, the locking mechanism comprises a clamping rod spring, wherein the clamping rod spring is installed on the clamping rod, and the clamping rod spring enables the clamping rod to move towards the direction of the opening and closing mechanism to clamp the opening and closing mechanism.
The device further comprises a shell, a cover plate, a base and a switch chamber, wherein the shell is fixedly arranged on the base through screws, and the switch chamber is arranged on the shell; the cover plate is rotatably arranged in the round hole of the switch chamber.
The cover plate hook is arranged on the cover plate; the gear is rotatably arranged in the switch chamber; the rack is slidably arranged in the switch chamber; a movable hook is arranged on the rack; the rack and the gear are meshed with each other; the gear is rotated by a key to drive the rack to drive the cover plate hook to control the cover plate to be locked and unlocked.
Further, the vacuum arc-extinguishing chamber and the corrugated pipe form a closed space.
The invention has the beneficial effects that:
1. according to the invention, the overcurrent absorbing mechanism is arranged, when the current of the circuit is overlarge, the overcurrent absorbing mechanism generates magnetic force to absorb the armature and further drive the clamping rod to leave the clamping groove, and the switching mechanism moves upwards under the elastic force of the reset mechanism spring to disconnect the circuit; and the function of protecting the circuit is achieved.
The corrugated pipe is pushed upwards to drive the driving rod to drive the rotary connecting disc to rotate, so that two power-on grooves on the rotary connecting disc are staggered with the contacts to achieve power failure; the corrugated pipe is pulled downwards to drive the driving rod to drive the rotary connecting disc to rotate, so that the two power-on grooves on the rotary connecting disc and the contact are reset to be connected; to realize the on-off of the control circuit.
The invention is provided with a pull ring which is used for manually controlling the opening and closing of a switch; the button rod mechanism is slidably arranged in the clamping groove rod and is used for assisting in pulling the pull ring; the circuit breaker is manually switched on and off.
According to the invention, the gear is rotated by a key to drive the rack to drive the cover plate hook to control the locking and the unlocking of the cover plate 2; the cover plate can be opened by using a specific key to further operate the switch-on and switch-off of the switch, so that the switch can be opened or disconnected by mistake by outsiders.
Drawings
Fig. 1 and 2 are schematic overall structural diagrams of the present invention.
Fig. 3 and 4 are partial structural schematic diagrams of the invention.
Fig. 5 and 6 are schematic structural views of the vacuum connection mechanism of the present invention.
Fig. 7 and 8 are schematic views of partial structures of the switch mechanism of the invention.
Fig. 9 is a schematic view of the push-button lever mechanism of the present invention.
Reference numerals: 1-shell, 2-cover plate, 3-base, 4-keyhole, 5-cover plate hook, 6-rack, 7-gear, 8-movable hook, 9-vacuum switch-on mechanism, 10-switch mechanism, 11-access hole, 12-access hole, 13-overcurrent suction mechanism, 14-armature, 15-clamping rod, 16-clamping rod spring, 17-switch chamber, 91-vacuum arc-extinguishing chamber, 92-vacuum arc-extinguishing chamber fixing seat, 93-conductive column, 94-contact, 95-hollow tube, 96-rotary switch disk, 97-spiral column, 98-driving rod, 99-corrugated tube, 101-vacuum switch-on mechanism connecting plate, 102-connecting plate, 103-reset mechanism spring, 104-clamping groove rod, 105-clamping groove, 106-pull ring, 107-button rod mechanism, 1071-button rod, 1072-top bead, 1073-button rod spring.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
In an embodiment, please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, and fig. 9, which illustrate a vacuum switch, comprising a base 3, a vacuum connection mechanism 9, a switch mechanism 10, an access hole 11, an access hole 12, an overcurrent suction mechanism 13, an armature 14, and a clamping rod 15; the vacuum connecting mechanism 9 is connected between the access hole 11 and the access hole 12 through wires; the switch mechanism 10 is slidably mounted on the base 3; the overcurrent suction mechanism 13 is connected in series with the vacuum connection mechanism 9 and is used for detecting a current peak value; the clamping rod 15 is arranged between the switch mechanism 10 and the overcurrent absorbing mechanism 13 and is used for clamping and driving the switch mechanism 10; the armature 14 is arranged at the left end of the clamping rod 15; specifically, the slot clamping rod 104 is clamped by the clamping rod 15 extending into the lower slot 105 during normal power-on; when the circuit current is too large, the overcurrent absorbing mechanism 13 generates magnetic force to absorb the armature 14 to drive the clamping rod 15 to leave the clamping groove 105, and the switching mechanism 10 moves upwards under the elastic force of the reset mechanism spring 103 to break the circuit;
the vacuum connection mechanism 9 comprises a vacuum arc-extinguishing chamber 91, a vacuum tube arc-extinguishing chamber fixing seat 92, a conductive column 93, a contact 94, a hollow tube 95, a rotary connection disc 96, a spiral column 97, a driving rod 98 and a corrugated tube 99; the vacuum arc extinguish chamber 91 is a cylindrical pipe, and a vacuum arc extinguish chamber fixing seat 92 is fixedly arranged on the side surface of the vacuum arc extinguish chamber 91; the hollow tube 95 is installed at two ends of the vacuum arc-extinguishing chamber 91, and the conductive column 93 is fixedly installed at the outer end of the hollow tube 95; the contact 94 is slidably mounted in the hollow tube 95, and a spring is mounted on the contact 94, and the spring enables the contact 94 to move towards the rotating switch-on disc 96; the rotary through disc 96 is rotatably mounted inside the vacuum arc-extinguishing chamber 91; two electrifying grooves are arranged on the rotary connecting disc 96, and a spiral column 97 is fixedly arranged below the rotary connecting disc 96; a spiral groove is arranged on the spiral column 97; the bellows 99 is installed under the vacuum interrupter 91; a driving rod 98 is arranged in the corrugated pipe 99, and the driving rod 98 is slidably arranged in a groove on the side surface of the spiral column 97; the corrugated pipe 99 is pushed upwards to drive the driving rod 98 to drive the rotary through disc 96 to rotate, so that the two power-on grooves on the rotary through disc 96 are staggered with the contact 94 to achieve power failure; when the vacuum connection mechanism connecting plate 101 moves downwards, the bellows 99 is pulled downwards to drive the driving rod 98 to drive the rotary connection disc 96 to rotate, so that the two power-on grooves in the rotary connection disc 96 and the contact 94 are reset to be connected;
the switch mechanism 10 comprises a vacuum connection mechanism connecting plate 101, a connecting plate 102, a reset mechanism spring 103, a clamping groove rod 104 and a clamping groove 105, wherein the clamping groove 105 is arranged on the clamping groove rod 104, the vacuum connection mechanism connecting plate 101 is fixedly connected with the clamping groove rod 104 through the connecting plate 102, the reset mechanism spring 103 is arranged on the connecting plate 102, and the reset mechanism spring 103 enables the connecting plate 102 to move upwards; the clamping rod 15 moves towards the direction of the overcurrent suction mechanism 13 under the force of the clamping rod 15 so as to enable the clamping rod 15 to leave the clamping groove 105 below, and the switch mechanism 10 moves upwards under the action of the reset mechanism spring 103 so as to enable the vacuum switch-on mechanism 9 to be powered off;
the conductive column 93 is fixedly connected with the hollow tube 95 in a sealing way; the contact 94 is in contact with the conductive post 93; specifically, the vacuum interrupter 91 and the driving rod 98 form a vacuum interrupter;
the rotary switch plate 96 is made of an insulating material, and two power supply grooves on the rotary switch plate 96 are connected.
In an alternative embodiment of the present invention, as shown in fig. 8 and 9, in addition to the same components as those of the previous embodiment, the switch mechanism 10 includes a pull ring 106 and a button rod mechanism 107, wherein the pull ring 106 is disposed on the slot rod 104, and the pull ring 106 is used for manually controlling the opening and closing of the switch; a button lever mechanism 107 slidably mounted in the notch lever 104 for assisting in the pulling of the pull ring 106;
the button rod mechanism 107 comprises a button rod 1071, a top bead 1072 and a button rod spring 1073, wherein the button rod 1073 is arranged below the button rod 1071, and the button rod 1071 moves upwards by the button rod spring 1073; a top bead 1072 is mounted on the side of the button rod 1071; the button rod 1071 is manually pressed down to drive the top bead 1072 to move downwards, so that the top bead 1072 ejects the clamping rod 15 out of the clamping groove 105, and the pull ring 106 can be pulled by hand to manually control the opening and closing of the vacuum tube arc extinguish chamber fixing seat 92; when the switch needs to be manually controlled, the button rod 1071 is manually pressed down to drive the top bead 1072 to eject the clamping rod 15 out of the clamping groove 105, and then the pull ring 106 is manually pulled up to complete the switch-off or press down the pull ring 106 to switch on the switch.
In an alternative embodiment of the present invention, as shown in fig. 3, the present invention comprises a latch spring 16, the latch spring 16 is mounted on the latch 15, and the latch spring 16 moves the latch 15 toward the switch mechanism 10 to latch the latch 15 to the switch mechanism 10, except for the same components as in the previous embodiment.
In an alternative embodiment of the present invention, as shown in fig. 1 and fig. 2, except for the same components as the above embodiment, the embodiment of the present invention includes a housing 1, a cover plate 2, a base 3, a key hole 4, and a switch chamber 17, wherein the housing 1 is fixedly mounted on the base 3 by screws, and the switch chamber 17 is arranged on the housing 1; the cover plate 2 is rotatably arranged in a circular hole of the switch chamber 17, a key hole 4 is arranged on the switch chamber 17, and the key hole 4 faces to the gear 7;
the cover plate hook 5, the rack 6, the gear 7 and the movable hook 8 are arranged on the cover plate 2; the gear 7 is rotatably arranged in the switch chamber 17; the rack 6 is arranged in the switch chamber 17 in a sliding way; a movable hook 8 is arranged on the rack 6; the rack 6 and the gear 7 are mutually meshed; the gear 7 is rotated by a key so as to drive the rack 6 to drive the cover plate hook 5 to control the cover plate 2 to be locked and unlocked; the cover plate 2 can be opened by using a specific key so as to operate the on-off of the switch, thereby ensuring that an outsider mistakenly opens or disconnects the switch;
the vacuum arc-extinguishing chamber 91 and the corrugated pipe 99 form a closed space; the switch is convenient to be used for explosion in flammable and explosive places.
The working principle is as follows: when the breaker is used, the breaker is connected into a line by respectively connecting an incoming wire and an outgoing wire into the incoming hole 11 and the outgoing hole 12; when in use, a specific key is inserted into the key hole 4 and then the gear 7 is inserted, the gear 7 is driven to rotate by rotating the specific key, and then the rack 6 and the movable hook 8 are driven to move so that the movable hook 8 leaves the cover plate hook 5 to unlock, the cover plate 2 is opened next step, the button rod mechanism 107 is pressed manually and the switch is switched on by pulling the pull ring 106 upwards at the same time (the pull ring 106 is pulled upwards to drive the slot rod 104 to drive the connecting plate 102, the vacuum switching-on mechanism connecting plate 101 drives the corrugated pipe 99 to move upwards so that the driving rod 98 moves upwards to drive the spiral column 97 to drive the rotary switching disc 96 to rotate so as to switch on the two contacts 94); when the button rod mechanism 107 is manually pressed down and the pull ring 106 is pressed down to turn off the switch (when the pull ring 106 is pressed down to drive the slot rod 104 to drive the connecting plate 102, the vacuum connection mechanism connecting plate 101 to drive the bellows 99 to move downwards to drive the driving rod 98 to move downwards to drive the spiral column 97 to drive the rotary connection plate 96 to rotate so as to turn off the two contacts 94), when a current peak value is too large, the overcurrent suction mechanism 13 generates magnetic force to suck the armature 14 to drive the clamping rod 15 to move towards the overcurrent suction mechanism 13 so as to enable the clamping rod 15 to leave the slot 105 above, and the vacuum connection mechanism connecting plate 101 moves downwards under the pulling force of the reset mechanism spring 103 so as to turn off the vacuum connection mechanism 9 to finish automatic circuit breaking to protect the circuit.
Claims (9)
1. A vacuum switch is characterized by comprising a base (3), a vacuum connection mechanism (9), a switch mechanism (10), an access hole (11), an access hole (12), an overcurrent suction mechanism (13) and a clamping rod (15); the vacuum connecting mechanism (9) is connected between the access hole (11) and the access hole (12) through an electric wire; the switch mechanism (10) is arranged on the base (3) in a sliding way; the overcurrent suction mechanism (13) is connected in series with the vacuum connection mechanism (9) and is used for detecting a current peak value; the clamping rod (15) is arranged between the switch mechanism (10) and the overcurrent suction mechanism (13); for jamming the switching mechanism (10);
the vacuum connection mechanism (9) comprises a vacuum arc-extinguishing chamber (91), a conductive column (93), a contact (94), a hollow tube (95), a rotary connection disc (96), a spiral column (97), a driving rod (98) and a corrugated tube (99); the vacuum arc-extinguishing chamber (91) is a cylindrical pipe, the hollow pipe (95) is installed at two ends of the vacuum arc-extinguishing chamber (91), and the conductive column (93) is fixedly installed at the outer end of the hollow pipe (95); the contact (94) is slidably arranged in the hollow pipe (95), and a spring is arranged on the contact (94) and enables the contact (94) to move towards the direction of the rotating switch-on disc 96; the rotary through disc (96) is rotatably arranged in the vacuum arc-extinguishing chamber (91); two electrifying grooves are arranged on the rotary connecting disc (96), and a spiral column (97) is fixedly arranged below the rotary connecting disc (96); a spiral groove is formed in the upper surface of the spiral column (97); the corrugated pipe (99) is arranged below the vacuum arc-extinguishing chamber (91); a driving rod (98) is arranged in the corrugated pipe (99), and the driving rod (98) is slidably arranged in a groove on the side surface of the spiral column (97); the corrugated pipe (99) is pushed upwards to drive the driving rod (98) to drive the rotary through disc (96) to rotate, so that the two power-on grooves in the rotary through disc (96) and the contact (94) are staggered to achieve power failure;
the switch mechanism (10) comprises a vacuum connection mechanism connecting plate (101), a connecting plate (102), a reset mechanism spring (103), a clamping groove rod (104) and a clamping groove (105), wherein the clamping groove (105) is arranged on the clamping groove rod (104), the vacuum connection mechanism connecting plate (101) is fixedly connected with the clamping groove rod (104) through the connecting plate (102), the reset mechanism spring (103) is installed on the connecting plate (102), and the reset mechanism spring (103) enables the connecting plate (102) to move upwards; the clamping rod (15) moves towards the direction of the overcurrent suction mechanism (13) under the stress of the clamping rod (15) so as to enable the clamping rod (15) to leave the clamping groove (105) below, and the switch mechanism (10) moves upwards under the action of the reset mechanism spring (103) so as to enable the vacuum switch-on mechanism (9) to be powered off.
2. The vacuum switch according to claim 1, wherein the conductive post (93) is fixedly connected with the hollow tube (95) in a sealing manner; the contact (94) is connected to the conductive post (93).
3. A vacuum switch according to claim 1, characterized in that the rotary contact disc (96) is made of insulating material, and that two current-carrying grooves in the rotary contact disc (96) are connected.
4. A vacuum switch according to claim 1, characterized in that the switch mechanism (10) further comprises a pull ring (106), a button rod mechanism (107), and the pull ring (106) is arranged on the slot rod (104) for manually controlling the switch to open and close; a button lever mechanism (107) is slidably mounted in the channel lever (104) for assisting in pulling the pull ring (106).
5. The vacuum switch according to claim 4, wherein the push-button lever mechanism (107) comprises a push-button lever (1071), a top bead (1072), a push-button lever spring (1073), the push-button lever spring (1073) being installed under the push-button lever (1071), the push-button lever spring (1073) moving the push-button lever (1071) upward; a top bead (1072) is arranged on the side surface of the button rod (1071); the button rod (1071) is manually pressed down to drive the top bead (1072) to move downwards, so that the top bead (1072) ejects the clamping rod (15) from the clamping groove (105) and can manually control the opening and closing of the vacuum tube arc extinguish chamber fixing seat (92) by pulling the pull ring (106).
6. A vacuum switch according to claim 1, characterized in that it comprises a catch spring (16), said catch spring (16) being mounted on the catch lever (15), the catch lever spring (16) moving the catch lever (15) in the direction of the switch mechanism (10) to catch the switch mechanism (10).
7. The vacuum switch according to claim 1, characterized by comprising a shell (1), a cover plate (2), a base (3) and a switch chamber (17), wherein the shell (1) is fixedly arranged on the base (3) through screws, and the switch chamber (17) is arranged on the shell (1); the cover plate (2) is rotatably arranged in a round hole of the switch chamber (17).
8. The vacuum switch according to claim 1, characterized by comprising a cover plate hook (5), a rack (6), a gear (7) and a moving hook (8), wherein the cover plate hook (5) is arranged on the cover plate (2); the gear (7) is rotatably arranged in the switch chamber (17); the rack (6) is slidably arranged in the switch chamber (17); a movable hook (8) is arranged on the rack (6); the rack (6) is meshed with the gear (7); the gear (7) is rotated by a key to drive the rack (6) to drive the cover plate hook (5) to control the locking and the unlocking of the cover plate (2).
9. A vacuum switch according to any of claims 1-8, characterized in that the vacuum interrupter (91) forms a closed space with the bellows (99).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010347159.6A CN111489915B (en) | 2020-04-28 | 2020-04-28 | Vacuum switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010347159.6A CN111489915B (en) | 2020-04-28 | 2020-04-28 | Vacuum switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111489915A CN111489915A (en) | 2020-08-04 |
| CN111489915B true CN111489915B (en) | 2022-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010347159.6A Active CN111489915B (en) | 2020-04-28 | 2020-04-28 | Vacuum switch |
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| Country | Link |
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| CN (1) | CN111489915B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360884B (en) * | 2022-10-24 | 2023-02-21 | 深圳伺峰科技有限公司 | Linear electric motor longmen is two drives's driver |
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| NL154369B (en) * | 1973-12-21 | 1977-08-15 | Hazemeijer Bv | ELECTRICAL HIGH VOLTAGE SWITCH WITH TWO SWITCHING RANKS CONNECTED IN SERIES. |
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| KR101704807B1 (en) * | 2014-12-31 | 2017-02-08 | 주식회사 효성 | operation device using electromagnetic repulsion force for circuit breaker |
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|---|---|---|---|---|
| US2383973A (en) * | 1943-03-27 | 1945-09-04 | Gen Electric | Electric vacuum switch |
| US3480750A (en) * | 1966-10-19 | 1969-11-25 | Westinghouse Electric Corp | Multiple-break enclosed-type circuit interrupters with external rotary contact driving means and single chamber construction |
| GB1329725A (en) * | 1970-07-01 | 1973-09-12 | Inst Pruffeld Fuer Elektrische | Electrical switch for high voltages |
| DE3428519A1 (en) * | 1984-08-02 | 1986-02-06 | Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim | Electrical switch |
| US4803319A (en) * | 1987-06-25 | 1989-02-07 | Merlin Gerin | Rotary switch with curved arc root migration track |
| WO2005043571A1 (en) * | 2003-10-31 | 2005-05-12 | Valeo Equipements Electriques Moteur | Contactor contact device for an electric starter |
| CN201503802U (en) * | 2009-08-31 | 2010-06-09 | 滕永胜 | Indoor combined high-voltage vacuum circuit breaker |
| CN201886960U (en) * | 2010-12-10 | 2011-06-29 | 沈阳工业大学 | Disk-type rotary four-break vacuum arc extinguishing chamber |
| CN202948872U (en) * | 2012-09-28 | 2013-05-22 | 江苏丹通电气有限公司 | Vacuum circuit breaker |
| CN208142683U (en) * | 2018-05-14 | 2018-11-23 | 北京海淀中京工程设计软件技术有限公司 | A kind of gas insulation switch cabinet |
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| CN111489915A (en) | 2020-08-04 |
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Effective date of registration: 20221020 Address after: 247100 Office (Marketing) complex building at the intersection of Yinhui Avenue and ecological Avenue, Guichi District, Chizhou City, Anhui Province Applicant after: CHIZHOU GUICHI DISTRICT POWER SUPPLY COMPANY OF STATE GRID ANHUI ELECTRIC POWER Co.,Ltd. Address before: 214000 Hanguang Electric Co., Ltd., Yingchun Road, West District, Luoshe supporting area, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Applicant before: Yang Daili |
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