CN214336632U

CN214336632U - Servo motor driven vacuum circuit breaker with isolation function

Info

Publication number: CN214336632U
Application number: CN202120664027.6U
Authority: CN
Inventors: 夭荣龙
Original assignee: XUZHOU YILEI ELECTRICAL APPLIANCE TECHNOLOGY CO LTD
Current assignee: XUZHOU YILEI ELECTRICAL APPLIANCE TECHNOLOGY CO LTD
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-10-01
Anticipated expiration: 2031-04-01

Abstract

The utility model provides a servo motor driven vacuum circuit breaker with isolation function, including the base case, two utmost point cylinder bodies of the last fixed surface of base case are connected with, two terminal outgoing lines under the equal fixedly connected with of upper surface of utmost point cylinder body, two the equal fixedly connected with seat outgoing lines in outer lane of utmost point cylinder body, the left surface of base case and the equal fixedly connected with fixed plate in the right flank of base case, the back fixedly connected with divide-shut brake operating handle of base case, the positive fixedly connected with backup pad of base case. This servo motor driven vacuum circuit breaker with isolation function through setting up the protection box, can avoid the electric shock when the workman operates vacuum circuit breaker, through setting up the ventilation cooling groove, can guarantee the inside drying of protection box, also avoids the high temperature to cause the circuit ageing, and barrier propterty is good, especially all is very high in the aspect of the reliability to the person, equipment safety and distribution system.

Description

Servo motor driven vacuum circuit breaker with isolation function

Technical Field

The utility model relates to a vacuum circuit breaker technical field especially relates to a servo motor driven vacuum circuit breaker with isolation function.

Background

The vacuum circuit breaker is an electrical device frequently used in a high-voltage distribution system, and generally comprises a vacuum circuit breaker and an isolation switch, wherein the vacuum circuit breaker is used for closing a switch-on circuit and opening a switch-off circuit, a contact used for closing the switch-on circuit or opening the switch-off circuit is arranged in a vacuum arc extinguishing chamber, an electric arc generated when the contact is closed or opened can be reliably broken in the arc extinguishing chamber, and the safety performance is high. The isolation knife switch has the function of establishing a reliable insulation gap, and separating lines by an obvious disconnection point so as to ensure the safety of operators and equipment. With the continuous development of human science and technology, a circuit breaker refers to a switching device capable of closing, carrying and opening/closing a current under a normal circuit condition, and capable of closing, carrying and opening/closing a current under an abnormal circuit condition (including a short-circuit condition) within a prescribed time. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently and protecting a power supply circuit, the motor and the like, the existing power distribution system requires that the circuit breaker can not only switch on and off current to realize circuit control and simple short circuit and overload protection, but also provide isolation and safety protection functions, particularly provides new requirements on the aspects of personnel, equipment safety and reliability of the power distribution system, and the development and design of the circuit breaker also mainly considers the personnel safety, the electric circuit and the equipment protection.

Therefore, it is necessary to provide a servo motor driven vacuum circuit breaker having an isolation function to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a servo motor driven vacuum circuit breaker with isolation function is used for solving current distribution system and requires the circuit breaker to realize circuit control and simple short circuit, overload protection except that can break-make current still can provide isolation and safety protection function, especially all provides new requirement in the aspect of the reliability to the person, equipment safety and distribution system, and the problem of personal safety, electric line and equipment protection is also all considered in focus to circuit breaker development design.

The utility model provides a servo motor driven vacuum circuit breaker with isolation function, which comprises a base box, the upper surface of the base box is fixedly connected with two pole columns, the upper surfaces of the two pole columns are fixedly connected with lower wire outlet terminals, the outer rings of the two pole columns are fixedly connected with wire outlet seats, the left side surface of the base box and the right side surface of the base box are both fixedly connected with a fixed plate, the back surface of the base box is fixedly connected with a switching-on/off operating handle, the front surface of the base box is fixedly connected with a supporting plate, the back surface of the base box is fixedly connected with an energy storage operating handle, the energy storage operating handle is positioned at the right side of the opening and closing operating handle, the upper surface of the supporting plate is fixedly connected with a protective box, the upper surface of the protection box is provided with first wiring ports which are arranged at equal intervals, and the upper surface of the supporting plate is fixedly connected with an isolating switch brake chassis.

Preferably, the back of the base box is fixedly connected with a grounding nut, and the grounding nut is positioned on the right side of the energy storage operating handle.

Preferably, the bottom surface of the supporting plate is fixedly hinged with a safety door through a hinge, and the front surface of the safety door is provided with second wiring ports which are arranged at equal intervals.

Preferably, the front face of the safety door is provided with ventilation and heat dissipation grooves which are arranged equidistantly, and the ventilation and heat dissipation grooves are located above the second wiring port.

Preferably, the front surface of the safety door is provided with a lock catch, and the lock catch is positioned above the ventilation and heat dissipation groove.

Preferably, the upper surface of the isolating switch brake chassis is fixedly connected with connecting tool grooves which are arranged equidistantly, the upper surface of the isolating switch brake chassis is fixedly connected with metal connecting rings which are arranged equidistantly, each metal connecting ring is positioned right behind the connecting tool groove, and each metal connecting ring is fixedly hinged with a switch blade through a pin shaft.

Compared with the prior art, the utility model provides a pair of servo motor driven vacuum circuit breaker with isolation function has following beneficial effect:

1. the utility model discloses, through setting up the isolator device, when the electric current that flows through was too big, the contact of circuit breaker can be because of high temperature melting together, causes the contact to connect, very big probably causes the electric shock harm, pulls the isolator device at this moment, and the circuit breaker just ensures not electrified, and protective properties is good.

2. The utility model discloses, through setting up the protection box, can avoid the electric shock when the workman operates vacuum circuit breaker, through setting up the ventilation cooling groove, can guarantee the inside drying of protection box, also avoid the high temperature to cause the circuit ageing, protective properties is good, especially all very high in the aspect of the reliability to the person, equipment safety and distribution system.

Drawings

FIG. 1 is a side view of a pole body of the present invention;

FIG. 2 is a side view of the base box of the present invention;

fig. 3 is a side view of the isolation switch brake chassis of the present invention.

Reference numbers in the figures: 1. the base box, 2, the protection box, 3, utmost point cylinder, 4, the seat of being qualified for the next round of competitions, 5, first wiring mouth, 6, hasp, 7, ventilation radiating groove, 8, emergency exit, 9, second wiring mouth, 10, lower terminal outgoing lines, 11, fixed plate, 12, divide-shut brake operating handle, 13, energy storage operating handle, 14, ground nut, 15, backup pad, 16, isolator brake chassis, 17, connection sword groove, 18, metal connecting ring, 19, the plug-in strip.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1, 2 and 3 in combination, a servo motor driven vacuum circuit breaker with an isolation function includes: base case 1, two utmost point cylinders 3 of last fixed surface of base case 1, outlet terminal 10 under the equal fixedly connected with of upper surface of two utmost point cylinders 3, the equal fixedly connected with wire outlet seat 4 in outer lane of two utmost point cylinders 3, the equal fixedly connected with fixed plate 11 of the left surface of base case 1 and the right flank of base case 1, the back fixedly connected with divide-shut brake operating handle 12 of base case 1, the positive fixedly connected with backup pad 15 of base case 1, the back fixedly connected with energy storage operating handle 13 of base case 1, energy storage operating handle 13 is located the right side of divide-shut brake operating handle 12, the last fixed surface of backup pad 15 is connected with protection box 2, the first wiring mouth 5 that the equidistance was arranged is seted up to the upper surface of protection box 2, the last fixed surface of backup pad 15 is connected with isolator brake chassis 16.

In the specific implementation process, the back of the base box 1 is fixedly connected with a grounding nut 14, the grounding nut 14 is positioned on the right side of an energy storage operating handle 13 and can avoid electric shock accidents caused by people touching, the bottom surface of a supporting plate 15 is fixedly hinged with a safety door 8 through a hinge, the front of the safety door 8 is provided with second wiring ports 9 which are arranged at equal intervals and can ensure the safety of workers during operation, the front of the safety door 8 is provided with ventilation and heat dissipation grooves 7 which are arranged at equal intervals, the ventilation and heat dissipation grooves 7 are positioned above the second wiring ports 9 and can ensure the drying inside the protection box 2 and avoid line aging caused by overhigh temperature, the front of the safety door 8 is provided with a lock catch 6, the lock catch 6 is positioned above the ventilation and heat dissipation grooves 7, the upper surface of an isolating switch chassis 16 is fixedly connected with connecting knife grooves 17 which are arranged at equal intervals, the upper surface of the isolating switch chassis 16 is fixedly connected with metal connecting rings 18 which are arranged at equal intervals, each metal connecting ring 18 is positioned right behind the connecting knife groove 17, and each metal connecting ring 18 is fixedly hinged with a knife switch 19 through a pin shaft, so that the current of the circuit breaker can be blocked and guaranteed.

The utility model provides a pair of servo motor driven vacuum circuit breaker's with isolation function theory of operation as follows: when the current flowing through is too large, the contacts of the circuit breaker can be fused together due to high temperature, so that the contacts are connected, and the electric shock hazard can be caused greatly.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

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

1. A servo motor driven vacuum circuit breaker with an isolation function, comprising: the base box (1), the upper surface of the base box (1) is fixedly connected with two pole cylinders (3), the upper surfaces of the two pole cylinders (3) are fixedly connected with lower wire outgoing terminals (10), the outer rings of the two pole cylinders (3) are fixedly connected with wire outgoing seats (4), the left side surface of the base box (1) and the right side surface of the base box (1) are fixedly connected with fixing plates (11), the back surface of the base box (1) is fixedly connected with a switching-closing operating handle (12), the front surface of the base box (1) is fixedly connected with a supporting plate (15), the back surface of the base box (1) is fixedly connected with an energy storage operating handle (13), the energy storage operating handle (13) is positioned on the right side of the switching-closing operating handle (12), the upper surface of the supporting plate (15) is fixedly connected with a protective box (2), the upper surface of the protective box (2) is provided with first wire connecting ports (5) which are arranged at equal intervals, the upper surface of the supporting plate (15) is fixedly connected with an isolating switch chassis (16).

2. The servo motor driven vacuum circuit breaker with isolating function according to claim 1, characterized in that a grounding nut (14) is fixedly connected to the back of the base case (1), and the grounding nut (14) is located at the right side of the energy storing operation handle (13).

3. The servo motor driven vacuum circuit breaker with an isolating function according to claim 1, wherein the bottom surface of the support plate (15) is fixedly hinged with a safety door (8) through a hinge, and the front surface of the safety door (8) is provided with second wiring ports (9) arranged at equal intervals.

4. The servo motor driven vacuum circuit breaker with isolating function according to claim 1, wherein the front surface of the safety door (8) is provided with ventilation and heat dissipation grooves (7) arranged equidistantly, and the ventilation and heat dissipation grooves (7) are located above the second wiring port (9).

5. The servo motor driven vacuum circuit breaker with isolating function according to claim 1, wherein the front of the safety door (8) is provided with a latch (6), and the latch (6) is located above the ventilation and heat dissipation groove (7).

6. The servo motor driven vacuum circuit breaker with the isolation function according to claim 1, wherein the upper surface of the isolation switch gate chassis (16) is fixedly connected with equidistantly arranged connecting knife grooves (17), the upper surface of the isolation switch gate chassis (16) is fixedly connected with equidistantly arranged metal connecting rings (18), each metal connecting ring (18) is positioned right behind the connecting knife groove (17), and each metal connecting ring (18) is fixedly hinged with a knife switch (19) through a pin shaft.