CN111048328B - Air electric switch capable of automatically closing - Google Patents
Air electric switch capable of automatically closing Download PDFInfo
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- CN111048328B CN111048328B CN202010039214.5A CN202010039214A CN111048328B CN 111048328 B CN111048328 B CN 111048328B CN 202010039214 A CN202010039214 A CN 202010039214A CN 111048328 B CN111048328 B CN 111048328B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/24—Power arrangements internal to the switch for operating the driving mechanism using pneumatic or hydraulic actuator
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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
- H01H9/02—Bases, casings, or covers
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- Electromagnets (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses an air electric switch capable of automatically closing a brake, which comprises a switch body, wherein a circuit cavity is arranged in the switch body, an air switch mechanism is arranged in the circuit cavity, a first rotating groove with a downward opening is arranged on the top wall of the circuit cavity, the rear end wall of a second sliding block is fixedly connected with a lever, a rack which is in sliding connection with a third sliding groove is fixedly arranged at the front end of the second sliding block, the rack is in meshing connection with a gear positioned on the right side of the rack, the gear is fixedly connected with a gear shaft, the gear shaft is in rotating connection with the switch body, a third rotating groove positioned on the front side of the third sliding groove is arranged in the switch body, an upper clamping hook mechanism is arranged on the upper side of the third rotating groove, a turnover mechanism is arranged in the third rotating groove, a left clamping hook mechanism is arranged on the left side of the third rotating groove, and the turnover mechanism can, the manual brake closing by people is not needed, and troubles caused by accidental tripping are reduced.
Description
Technical Field
The invention relates to the technical field of electric switches, in particular to an air electric switch capable of automatically closing a switch.
Background
An air-operated electric switch, also known as an air circuit breaker, is one type of circuit breaker. The switch can be automatically switched off as long as the current in the circuit exceeds the rated current. The air point switch is an important electric appliance in a low-voltage distribution network and an electric power dragging system, and integrates control and multiple protection functions. Besides the contact and breaking of the circuit, the protection of short circuit, severe overload and undervoltage, etc. of the circuit or electrical equipment can be realized, and the protection device can also be used for starting the motor infrequently.
At present, a plurality of conditions of accidental tripping exist, the air electric switch cannot be automatically closed when the circuit is recovered to be normal after tripping, manual closing is needed, and the air electric switch is very inconvenient, time-consuming and labor-consuming.
Disclosure of Invention
Aiming at the technical defects, the invention provides an air electric switch capable of automatically closing, which can overcome the defects.
The invention relates to an air electric switch capable of automatically closing a brake, which comprises a switch body, wherein a circuit cavity is arranged in the switch body, an air switch mechanism is arranged in the circuit cavity, a first rotating groove with a downward opening is arranged on the top wall of the circuit cavity, a second rotating groove with a leftward opening is arranged on the right end wall of the first rotating groove, a first sliding groove with a downward opening is arranged on the top wall of the first rotating groove, a second sliding groove with a forward opening is arranged on the rear end wall of the circuit cavity, a first sliding block connected with the second sliding groove in a sliding manner is arranged in the second sliding groove, the bottom wall of the first sliding block is connected with the second sliding groove through a first spring, the front end wall of the first sliding block is fixedly connected with the rear end wall of a lever positioned in the circuit cavity, a third sliding groove with a backward opening is arranged on the front end wall of the circuit cavity, and a second sliding block connected with, the sliding type gear box is characterized in that the top wall of the second sliding block is connected with the third sliding groove through a second spring, the rear end wall of the second sliding block is fixedly connected with a lever, a rack which is connected with the third sliding groove in a sliding mode is fixedly arranged at the front end of the second sliding block, the rack is connected with a gear which is located on the right side of the rack in a meshing mode, the gear is fixedly connected with a gear shaft, the gear shaft is connected with the switch body in a rotating mode, a third rotating groove which is located on the front side of the third sliding groove is formed in the switch body, an upper clamping hook mechanism is arranged on the upper side of the third rotating groove, a turnover mechanism is arranged in the third rotating groove.
Preferably, the air switch mechanism comprises a first rotating shaft fixedly arranged between the front end wall and the rear end wall of the second rotating groove, the first rotating shaft is connected with the third rotating groove through a torsion spring, the first rotating shaft is rotatably connected with a hook, a lever is arranged on the lower side of the hook, an upper impact block is fixedly arranged on the left end wall of the lever, an electromagnetic release fixedly connected with the rear end wall of the circuit cavity is arranged on the left side of the upper impact block, a lower impact block positioned on the lower side of the upper impact block is fixedly arranged on the right end wall of the lever, an under-voltage release fixedly connected with the right end wall of the circuit cavity is arranged on the right side of the lower impact block, the electromagnetic release is connected with an armature and a release of the under-voltage release through a tension spring, a bimetallic strip is arranged on the lower side of the lever, the left end wall of the bimetallic strip is fixedly connected with the right end wall of a supporting block, the bimetallic strip downside is provided with heating element, the fixed right trip that is provided with of hasp left end wall, right trip lower extreme is provided with left trip, left trip left end wall and hasp fixed connection, hasp and main contact fixed connection, through third spring coupling between main contact and the circuit chamber left end wall, the end wall is provided with the circuit box about the circuit chamber.
Preferably, the upper hook mechanism comprises a fourth sliding groove which is arranged on the top wall of the third rotating groove and has a downward opening, the left and the right of the bottom wall of the fourth chute are symmetrically and fixedly provided with a stop block, the fourth chute is internally provided with a third slide block which is connected with the fourth chute in a sliding way, the bottom wall of the third sliding block is fixedly connected with the first inclined block, the top wall of the third sliding block is connected with the fourth sliding chute through a fourth spring, the top wall of the third sliding block is fixedly connected with the lower air bag, the top wall of the fourth sliding chute is provided with an air pipe, the top end of the air pipe is fixedly connected with an upper air bag, the upper air bag is positioned in the fifth sliding groove, the rear end of the upper air bag is fixedly connected with a fourth sliding block, a fifth slide block is fixedly arranged on the top wall of the fourth slide block, the fifth slide block is positioned in the first slide groove and is connected with the first slide groove in a sliding way, the bottom wall of the rear end of the fifth sliding block is fixedly connected with the upper clamping hook, and the rear end wall of the fifth sliding block is connected with the circuit cavity through a fifth spring.
Preferably, the turnover mechanism comprises a first connecting hinge fixedly connected with the front end of the gear shaft, the first connecting hinge is rotatably connected with a first connecting rod, the other end of the first connecting rod is fixedly connected with a second connecting hinge, the second connecting hinge is rotatably connected with the rear end of the first connecting pin, the front end of the first connecting pin is rotatably connected with a third connecting hinge, the third connecting hinge is fixedly connected with a second connecting rod, the other end of the second connecting rod is fixedly connected with a second connecting block, a third connecting block is fixedly arranged on the bottom wall of the second connecting block, a second inclined block is fixedly arranged on the bottom wall of the third connecting block, the front end wall of the second connecting block is rotatably connected with the second connecting pin, the front end of the second connecting pin is rotatably connected with the third connecting hinge, the third connecting hinge is fixedly connected with a third connecting rod, and the other end of the third connecting rod is fixedly connected with a fourth connecting hinge, the fourth connecting hinge is rotatably connected with the rear end of the third connecting pin, and the front end of the third connecting pin is rotatably connected with the switch body.
Preferably, the left hook mechanism comprises a sixth sliding groove which is arranged on the left end wall of the third rotating groove and has a rightward opening, a third inclined block which is connected with the sixth sliding groove in a sliding manner is arranged in the sixth sliding groove, the third inclined block is connected with the left end wall of the sixth sliding groove through a sixth spring, the rear end wall of the third inclined block is fixedly connected with a sixth sliding block, the rear end wall of the sixth sliding block is fixedly connected with a seventh sliding block, the upper end wall of the seventh sliding block is fixedly connected with an eighth sliding block, and the rear end wall of the eighth sliding block is fixedly connected with a lock catch.
Preferably, the circuit elements are connected with each other through a circuit.
Preferably, in the case of short circuit of the electromagnetic release, the lever moves upwards and is kept by absorbing impact of the armature, and the lever moves downwards and is reset by releasing the armature after the circuit is normal.
Preferably, under the condition that the under-voltage release is under-voltage, the armature is released to impact so that the lever moves upwards and is kept, and the armature is adsorbed after the circuit is normal so that the lever moves downwards and is reset.
The beneficial effects are that: the device is improved on the basis of the original air electric switch, wherein the air switch mechanism can play a role in protection under abnormal conditions such as short circuit, undervoltage and the like, the upper hook mechanism can keep the air electric switch in a tripping state all the time under the abnormal conditions, the left hook mechanism can keep the air electric switch in a normal working state all the time under the normal conditions, the turnover mechanism can automatically close the brake when the circuit is recovered to the normal conditions, manual brake closing by people is not needed, the operation is more convenient and efficient, and troubles caused by accidental tripping are reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of an air electric switch capable of automatically closing a brake according to the present invention;
FIG. 2 is a schematic view of A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic view of B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic view of C-C in FIG. 3 according to an embodiment of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to an air electric switch capable of automatically closing a brake, which comprises a switch body 1, wherein a circuit cavity 16 is arranged in the switch body 1, an air switch mechanism is arranged in the circuit cavity 16, a first rotating groove 2 with a downward opening is arranged on the top wall of the circuit cavity 16, a second rotating groove 4 with a leftward opening is arranged on the right end wall of the first rotating groove 2, a first sliding groove 3 with a downward opening is arranged on the top wall of the first rotating groove 2, a second sliding groove 54 with a forward opening is arranged on the rear end wall of the circuit cavity 16, a first sliding block 53 connected with the second sliding groove 54 in a sliding manner is arranged in the second sliding groove 54, the bottom wall of the first sliding block 53 is connected with the second sliding groove 54 through a first spring 52, the front end wall of the first sliding block 53 is fixedly connected with the rear end wall of a lever 8 positioned in the circuit cavity 16, a third sliding groove 51 with a rearward opening is arranged on the front end wall of, the improved switch is characterized in that a second sliding block 50 connected with the third sliding groove 51 in a sliding manner is arranged in the third sliding groove 51, the top wall of the second sliding block 50 is connected with the third sliding groove 51 through a second spring 69, the rear end wall of the second sliding block 50 is fixedly connected with the lever 8, a rack 49 connected with the third sliding groove 51 in a sliding manner is fixedly arranged at the front end of the second sliding block 50, the rack 49 is meshed with a gear 48 on the right side of the rack 49, the gear 48 is fixedly connected with a gear shaft 47, the gear shaft 47 is rotatably connected with the switch body 1, a third rotating groove 41 on the front side of the third sliding groove 51 is arranged in the switch body 1, an upper clamping hook mechanism is arranged on the upper side of the third rotating groove 41, a turnover mechanism is arranged in the third rotating groove 41, and a left clamping hook mechanism is.
Beneficially, the air switch mechanism comprises a first rotating shaft 6 fixedly arranged between the front end wall and the rear end wall of a second rotating groove 4, the first rotating shaft 6 is connected with a third rotating groove 4 through a torsion spring 70, the first rotating shaft 6 is rotatably connected with a hook 5, a lever 8 is arranged on the lower side of the hook 5, an upper impact block 7 is fixedly arranged on the left end wall of the lever 8, an electromagnetic trip 19 fixedly connected with the rear end wall of a circuit cavity 16 is arranged on the left side of the upper impact block 7, a lower impact block 9 positioned on the lower side of the upper impact block 7 is fixedly arranged on the right end wall of the lever 8, an under-voltage trip 12 fixedly connected with the right end wall of the circuit cavity 16 is arranged on the right side of the lower impact block 9, the electromagnetic trip 19 is connected with an armature 17 of the under-voltage trip 12 and the trip through a tension spring 18, a bimetallic strip 13 is arranged on the lower side of the lever 8, the left end wall of the bimetallic strip 13 is fixedly connected with, the supporting block 15 and the circuit cavity 16 rear end wall fixed connection, bimetallic strip 13 downside is provided with heating element 14, 5 left end walls of hasp are fixed to be provided with right trip 25, right trip 25 lower extreme is provided with left trip 26, left trip 26 left end wall and hasp 20 fixed connection, hasp 20 and main contact 22 fixed connection, be connected through third spring 21 between main contact 22 and the circuit cavity 16 left end wall, end wall is provided with circuit box 23 about the circuit cavity 16.
Beneficially, the upper hook mechanism includes a fourth sliding groove 38 disposed on the top wall of the third rotating groove 41 and having a downward opening, stoppers 57 are fixedly disposed on the bottom wall of the fourth sliding groove 38 in a bilateral symmetry manner, a third sliding block 39 slidably connected to the fourth sliding groove 38 is disposed in the fourth sliding groove 38, the bottom wall of the third sliding block 39 is fixedly connected to the first sloping block 40, the top wall of the third sliding block 49 is connected to the fourth sliding groove 38 through a fourth spring 56, the top wall of the third sliding block 49 is fixedly connected to the lower air bag 37, the top wall of the fourth sliding groove 38 is provided with an air pipe 36, the top end of the air pipe 36 is fixedly connected to the upper air bag 34, the upper air bag 34 is disposed in the fifth sliding groove 35, the rear end of the upper air bag 34 is fixedly connected to the fourth sliding block 33, the top wall of the fourth sliding block 33 is fixedly provided with a fifth sliding block 32, the fifth sliding block 32 is disposed in the, the bottom wall of the rear end of the fifth sliding block 32 is fixedly connected with the upper clamping hook 55, and the rear end wall of the fifth sliding block 32 is connected with the circuit cavity 16 through a fifth spring 31.
Advantageously, the turnover mechanism comprises a first connecting hinge 46 fixedly connected with the front end of the gear shaft 47, the first connecting hinge 46 is rotatably connected with a first connecting rod 60, the other end of the first connecting rod 60 is fixedly connected with a second connecting hinge 43, the second connecting hinge 43 is rotatably connected with the rear end of a first connecting pin 58, the front end of the first connecting pin 58 is rotatably connected with a third connecting hinge 42, the third connecting hinge 42 is fixedly connected with a second connecting rod 68, the other end of the second connecting rod 68 is fixedly connected with a second connecting block 67, the bottom wall of the second connecting block 67 is fixedly provided with a third connecting block 66, the bottom wall of the third connecting block 66 is fixedly provided with a second inclined block 63, the front end wall of the second connecting block 67 is rotatably connected with a second connecting pin 59, the front end of the second connecting pin 59 is rotatably connected with a third connecting hinge 44, and the third connecting hinge 44 is fixedly connected with a third connecting rod 61, the other end of the third connecting rod 61 is fixedly connected with a fourth connecting hinge 45, the fourth connecting hinge 45 is rotatably connected with the rear end of a third connecting pin 62, and the front end of the third connecting pin 62 is rotatably connected with the switch body 1.
Advantageously, the left hook mechanism includes a sixth sliding slot 65 disposed on the left end wall of the third rotating slot 41 and opening to the right, a third inclined block 30 slidably connected to the sixth sliding slot 65 is disposed in the sixth sliding slot 65, the third inclined block 30 is connected to the left end wall of the sixth sliding slot 65 through a sixth spring 64, the rear end wall of the third inclined block 30 is fixedly connected to the sixth sliding block 29, the rear end wall of the sixth sliding block 29 is fixedly connected to the seventh sliding block 28, the upper end wall of the seventh sliding block 28 is fixedly connected to the eighth sliding block 27, and the rear end wall of the eighth sliding block 27 is fixedly connected to the lock catch 20.
Advantageously, the circuit elements are electrically connected to each other.
Advantageously, in the event of a short circuit of the electromagnetic release 19, the lever 8 is moved upwards and held by the impact of the suction armature 17, and the lever 8 is returned to the downward movement by releasing the armature 17 after the circuit is normal.
Advantageously, in the event of undervoltage of said undervoltage release 12, releasing armature 17 to hit moves lever 8 upwards and holds it, and after the circuit is normal, attracting armature 17 resets lever 8 downwards.
In an initial state, the tension springs 18, 21, 56 and 31 on the upper side of the first spring 52, the second spring 69 and the torsion spring 70 are all in a normal tension state, the sixth spring 64 and the third spring 21 are in a compression state, and the tension spring 18 on the lower side is in a tension state;
sequence of mechanical actions of the whole device:
1. when the circuit is in general overload, although overload current can not enable the electromagnetic release to act, the heating element 14 can generate certain heat to enable the bimetallic strip 13 to be heated and bent upwards, so that the lever 8 moves upwards, the right clamping hook 25 is separated from the left clamping hook 26, the main contact 22 is disconnected, the power supply is disconnected, the heating element 14 does not generate heat after the circuit is not overloaded, the bimetallic strip 13 is cooled and restored downwards, so that the lever 8 moves downwards under the reset action, the right clamping hook 25 is clamped with the left clamping hook 26, the main contact 22 is connected, and the power supply is connected;
2. when a short circuit or severe overload current occurs to a circuit, the short circuit current exceeds the instantaneous trip setting current value, so that the electromagnetic trip 19 generates a large enough suction force, the armature 17 is attracted and impacts the lever 8, the hook 5 rotates upwards, the right hook 25 is separated from the left hook 26, the power supply is disconnected, the under-voltage trip 12 generates a large enough suction force, the armature 17 is attracted and impacts the lever 8, the hook 5 rotates upwards, and the right hook 25 is separated from the left hook 26;
3. when short circuit or under-pressure occurs, the lever 8 and the second slider 50 move upwards to rotate the gear 48, so that the gear shaft 48 rotates, the first connecting hinge 46 rotates, the first connecting rod 60 rotates, so that the turnover mechanism works, when the lever 8 is kept at the highest position, the first connecting rod 60 rotates 90 degrees, the second connecting rod 68, the second connecting block 67, the third connecting block 66 and the second inclined block 63 rotate 180 degrees, so that the second inclined block 63 is in sliding connection with the first inclined block 40, so that the first inclined block 40 and the third slider 39 move upwards, so that gas enters the upper air bag 34 from the lower air bag 37, so that the fourth slider 33 moves backwards, so that the upper clamping hook 55 rotates upwards to the highest position at the moment to clamp the right clamping hook 25, and the air-electric switch keeps a tripping state in a short circuit or under-pressure process;
4. when the device needs to close the gate, the short circuit or the under-voltage is over, the lever 8 and the second slider 50 move downwards to reset, so that the gear 48 rotates reversely, the gear shaft 48 rotates reversely, the first connecting hinge 46 rotates reversely, the first connecting rod 60 rotates reversely, so that the turnover mechanism works, when the lever 8 is reset, the first connecting rod 60 rotates reversely 90 degrees, the second connecting rod 68, the second connecting block 67, the third connecting block 66 and the second inclined block 63 rotate reversely 180 degrees, so that the second inclined block 63 is in sliding connection with the third inclined block 30, the first inclined block 40 and the third slider 39 move downwards under the reset action, so that gas enters the lower air bag 37 from the upper air bag 34, the fourth slider 33 moves forwards, so that the upper clamping hook 55 rotates upwards to disengage from the right clamping hook 25 at the highest position, so that the hook 5 rotates downwards under the reset action, and the second inclined block 63 is in sliding connection with the third inclined block 30, so that the third inclined block 30 rotates upwards, The sixth slider 29, the seventh slider 28, the eighth slider 27 and the latch 20 move backward, so that the left hook 26 is locked by the right hook 25 which is turned downward to the lowest position, and the power is turned on, thereby completing the closing of the device.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (8)
1. An air electric switch capable of automatically closing a switch comprises a switch body, and is characterized in that: a circuit cavity is arranged in the switch body, an air switch mechanism is arranged in the circuit cavity, a first rotating groove with a downward opening is arranged on the top wall of the circuit cavity, a second rotating groove with a leftward opening is arranged on the right end wall of the first rotating groove, a first sliding groove with a downward opening is arranged on the top wall of the first rotating groove, a second sliding groove with a forward opening is arranged on the rear end wall of the circuit cavity, a first sliding block is arranged in the second sliding groove and is in sliding connection with the second sliding groove, the bottom wall of the first sliding block is connected with the second sliding groove through a first spring, the front end wall of the first sliding block is fixedly connected with the rear end wall of a lever positioned in the circuit cavity, a third sliding groove with a rearward opening is arranged on the front end wall of the circuit cavity, a second sliding block is arranged in the third sliding groove and is in sliding connection with the third sliding groove, and the top wall of the, the rear end wall of the second slider is fixedly connected with the lever, a rack which is connected with the third sliding groove in a sliding mode is fixedly arranged at the front end of the second slider, the rack is connected with a gear which is located on the right side of the rack in a meshing mode, the gear is fixedly connected with a gear shaft, the gear shaft is connected with the switch body in a rotating mode, a third rotating groove which is located on the front side of the third sliding groove is formed in the switch body, an upper clamping hook mechanism is arranged on the upper side of the third rotating groove, a turnover mechanism is arranged in the third rotating groove, and a left clamping hook mechanism is arranged on the left side of the.
2. The air electric switch capable of automatically closing according to claim 1, wherein: the air switch mechanism comprises a first rotating shaft fixedly arranged between the front end wall and the rear end wall of a second rotating groove, the first rotating shaft is connected with a third rotating groove through a torsion spring, the first rotating shaft is rotatably connected with a hook, a lever is arranged on the lower side of the hook, an upper impact block is fixedly arranged on the left end wall of the lever, an electromagnetic trip device fixedly connected with the rear end wall of a circuit cavity is arranged on the left side of the upper impact block, a lower impact block positioned on the lower side of the upper impact block is fixedly arranged on the right end wall of the lever, an undervoltage trip device fixedly connected with the right end wall of the circuit cavity is arranged on the right side of the lower impact block, the electromagnetic trip device is connected with an armature of the undervoltage trip device through a tension spring, a bimetallic strip is arranged on the lower side of the lever, the left end wall of the bimetallic strip is fixedly connected with the right end wall of a supporting block, the bimetallic strip downside is provided with heating element, the fixed right trip that is provided with of hasp left end wall, right trip lower extreme is provided with left trip, left trip left end wall and hasp fixed connection, hasp and main contact fixed connection, through third spring coupling between main contact and the circuit chamber left end wall, the end wall is provided with the circuit box about the circuit chamber.
3. The air electric switch capable of automatically closing according to claim 1, wherein: the upper clamping hook mechanism comprises a fourth sliding chute which is arranged on the top wall of the third rotating chute and has a downward opening, the bottom wall of the fourth sliding chute is fixedly provided with a stop block in bilateral symmetry, a third slide block which is connected with the fourth slide groove in a sliding way is arranged in the fourth slide groove, the bottom wall of the third slide block is fixedly connected with the first inclined block, the top wall of the third sliding block is connected with the fourth sliding chute through a fourth spring, the top wall of the third sliding block is fixedly connected with the lower air bag, an air pipe is arranged on the top wall of the fourth sliding chute, the top end of the air pipe is fixedly connected with an upper air bag, the upper air bag is positioned in the fifth sliding chute, the rear end of the upper air bag is fixedly connected with a fourth slide block, a fifth slide block is fixedly arranged on the top wall of the fourth slide block, the fifth sliding block is located in the first sliding groove and is in sliding connection with the first sliding groove, the bottom wall of the rear end of the fifth sliding block is fixedly connected with the upper clamping hook, and the rear end wall of the fifth sliding block is connected with the circuit cavity through a fifth spring.
4. The air electric switch capable of automatically closing according to claim 1, wherein: the turnover mechanism comprises a first connecting hinge fixedly connected with the front end of the gear shaft, the first connecting hinge is rotatably connected with a first connecting rod, the other end of the first connecting rod is fixedly connected with a second connecting hinge, the second connecting hinge is rotatably connected with the rear end of the first connecting pin, the front end of the first connecting pin is rotatably connected with a third connecting hinge, the third connecting hinge is fixedly connected with a second connecting rod, the other end of the second connecting rod is fixedly connected with a second connecting block, a third connecting block is fixedly arranged on the bottom wall of the second connecting block, a second inclined block is fixedly arranged on the bottom wall of the third connecting block, the front end wall of the second connecting block is rotatably connected with the second connecting pin, the front end of the second connecting pin is rotatably connected with the third connecting hinge, the third connecting hinge is fixedly connected with the third connecting rod, the other end of the third connecting rod is fixedly connected with a fourth connecting hinge, and the fourth connecting hinge is rotatably connected with the rear end of the third connecting pin, the front end of the third connecting pin is rotatably connected with the switch body.
5. The air electric switch capable of automatically closing according to claim 1, wherein: the left clamping hook mechanism comprises a sixth sliding groove which is arranged on the left end wall of the third rotating groove and has a rightward opening, a third inclined block which is connected with the sixth sliding groove in a sliding mode is arranged in the sixth sliding groove, the third inclined block is connected with the left end wall of the sixth sliding groove through a sixth spring, the rear end wall of the third inclined block is fixedly connected with a sixth sliding block, the rear end wall of the sixth sliding block is fixedly connected with a seventh sliding block, the upper end wall of the seventh sliding block is fixedly connected with an eighth sliding block, and the rear end wall of the eighth sliding block is fixedly connected with a lock catch.
6. The air electric switch capable of automatically closing according to claim 2, wherein: the circuit elements are connected through a circuit.
7. The air electric switch capable of automatically closing according to claim 2, wherein: under the condition of short circuit of the electromagnetic release, the lever moves upwards and is kept by being struck by the adsorption armature, and the lever moves downwards and resets by releasing the armature after the circuit is normal.
8. The air electric switch capable of automatically closing according to claim 2, wherein: under the condition that the under-voltage release is under-voltage, the armature is released to impact so that the lever moves upwards and keeps, and the armature is adsorbed after the circuit is normal so that the lever moves downwards and resets.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010039214.5A CN111048328B (en) | 2020-01-14 | 2020-01-14 | Air electric switch capable of automatically closing |
| JP2020102894A JP2021111608A (en) | 2020-01-14 | 2020-06-15 | Aerial switch automatically switching off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010039214.5A CN111048328B (en) | 2020-01-14 | 2020-01-14 | Air electric switch capable of automatically closing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111048328A CN111048328A (en) | 2020-04-21 |
| CN111048328B true CN111048328B (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010039214.5A Active CN111048328B (en) | 2020-01-14 | 2020-01-14 | Air electric switch capable of automatically closing |
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| JP (1) | JP2021111608A (en) |
| CN (1) | CN111048328B (en) |
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| CN110021486A (en) * | 2019-03-11 | 2019-07-16 | 郭军 | A kind of no-voltage trip auto recloser |
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| JP2019165534A (en) * | 2018-03-19 | 2019-09-26 | 富士電機株式会社 | Distribution panel |
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- 2020-01-14 CN CN202010039214.5A patent/CN111048328B/en active Active
- 2020-06-15 JP JP2020102894A patent/JP2021111608A/en active Pending
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| CN201514865U (en) * | 2009-05-31 | 2010-06-23 | 麦莳濠 | Electric-controlled closing operation mechanism for small-sized breaker |
| EP3125267A1 (en) * | 2015-07-30 | 2017-02-01 | GEWISS S.p.A. | Control device for circuit breakers |
| CN205428855U (en) * | 2016-03-25 | 2016-08-03 | 厦门理工学院 | Novel automatic switch control device |
| CN107689313A (en) * | 2016-08-05 | 2018-02-13 | 天津中电华利电器科技集团有限公司 | A kind of low-voltage circuit breaker |
| CN110021486A (en) * | 2019-03-11 | 2019-07-16 | 郭军 | A kind of no-voltage trip auto recloser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111048328A (en) | 2020-04-21 |
| JP2021111608A (en) | 2021-08-02 |
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