CN221008840U

CN221008840U - Electric isolating switch

Info

Publication number: CN221008840U
Application number: CN202323042590.8U
Authority: CN
Inventors: 朱金成
Original assignee: ZHEJIANG SHUNHAO ELECTRICAL APPLIANCES CO Ltd
Current assignee: ZHEJIANG SHUNHAO ELECTRICAL APPLIANCES CO Ltd
Priority date: 2023-11-10
Filing date: 2023-11-10
Publication date: 2024-05-24
Anticipated expiration: 2033-11-10

Abstract

The utility model provides an electric isolating switch, which relates to the technical field of high-voltage air circuit breakers without arc extinguishing or preventing devices, wherein the existing electric control device adopts physical switch control, has no remote control function, cannot be started remotely in emergency, and comprises a base, a rotating shaft and brackets, wherein the base is arranged at the lowest end with an integral supporting function, two brackets are arranged between the base, a rotating shaft is arranged between the two brackets, one side of the base is fixedly connected with a mounting frame, one side of the mounting frame is fixedly connected with a motor, a transmission rod of the motor is provided with a motor gear which is fixedly connected, one side of the motor gear is provided with a rotating shaft gear which is meshed and connected, the rotating shaft gear penetrates through the rotating shaft and is arranged at one end of the rotating shaft, and the rotating shaft gear is fixedly connected with the rotating shaft so as to control opening and closing of the switch through a remote control motor.

Description

Electric isolating switch

Technical Field

The utility model belongs to the technical field of high-voltage air circuit breakers without arc extinguishing or arc preventing devices, and particularly relates to an electric isolating switch.

Background

The isolating switch is a switching device which is mainly used for isolating a power supply, switching operation and switching on and off a small current circuit and has no arc extinguishing function. When the isolating switch is in the separated position, the contacts have an insulation distance and an obvious disconnection mark which meet the specified requirements; in the closed position, the switching device is capable of carrying both current under normal loop conditions and current under abnormal conditions (e.g., short circuit) for a prescribed period of time. The high-voltage isolating switch is generally used as a high-voltage isolating switch, namely, the isolating switch with the rated voltage of more than 1kV, has a simple working principle and structure, but has high requirements on working reliability due to large use amount, and has larger influence on the design, establishment and safe operation of power substations and power plants. The isolating switch has the main characteristics of no arc extinguishing capability and can only switch on and switch off the circuit under the condition of no load current. When the electrical equipment is overhauled, an electrical interval is provided, and the electrical interval is a obviously visible disconnection point so as to ensure the personal safety of maintenance personnel.

The utility model provides a current three column type isolator, the on-line screen storage device comprises a base, insulating support, rotatory vase, the axis of rotation, the rotation lever, moving contact and static contact, be provided with insulating support on the base, insulating support sets up the both sides at the base, be equipped with rotatory vase in the middle of the insulating support of both sides, rotatory vase is installed on the base, rotatory vase bottom is equipped with the axis of rotation, rotation axis connection has the rotation lever, thereby rotatory rotation lever drives the axis of rotation and drives moving contact and static contact separation, the present rotation lever uses electric control unit drive, install the lower extreme at the base, electric control unit adopts physical switch control, do not set up remote control's function, no one can't start under emergency.

Disclosure of utility model

The utility model aims to provide a remote control function for an electric isolating switch, which can realize remote control under emergency and solve the safety problem, and provides an electric isolating switch for solving the technical problems in the prior art.

According to the above purpose, the basic technical scheme of the utility model is as follows: including base, rotation axis and support, the base play holistic supporting role and set up in the lower extreme, the base divide into two parts, be provided with two supports between two bases, be connected through the nut between support and the base, be equipped with the rotation axis between two supports, the rotation axis passes the base at support both ends, rotation axis and base swing joint are provided with two supports between the base, be equipped with the rotation axis between two supports, one side of base still fixedly connected with mounting bracket, one side fixedly connected with motor of mounting bracket, be equipped with fixed connection motor gear on the transfer line of motor, one side of machine gear is equipped with the rotation axis gear of meshing connection, rotation axis gear passes the rotation axis and sets up the one end at the rotation axis, rotation axis gear and rotation axis fixed connection.

Further, the rotating shaft is fixedly connected with a first cam, a second cam is arranged between the rotating shaft gear and the first cam, and signal switches are arranged on two sides of the first cam.

Further, signal switches are arranged on two sides of the first cam, the signal switches are fixed on the side wall of the frame, a second signal switch is arranged on one side of the second cam, and the second signal switch is fixed on the signal switches.

Furthermore, the mounting frame is also provided with a fixedly connected box body.

Further, be equipped with insulating pillar on the support, insulating pillar passes through nut fixed connection on the support, rotatory vase cup joints on insulating pillar, be equipped with the static contact on the rotatory vase, contact and rotatory vase pass through nut fixed connection on insulating pillar, be equipped with the dwang on the rotation axis, rotation axis and dwang pass through welded mode fixed connection, the dwang is connected with the second insulating pillar, dwang and second insulating pillar swing joint, the dwang can drive the second insulating pillar and remove, rotatory vase cup joints on the second insulating pillar, rotatory vase passes through nut fixed connection on insulating pillar, the top of second insulating pillar still is equipped with the conducting arm, second insulating pillar and conducting arm fixed connection, the both ends of electrical arm respectively with the static contact fixed connection and the swing joint at both ends, when the dwang rotates along with the rotation axis, the dwang drives two insulating pillars upward movement, the one end upward movement of electrical arm for conducting arm and static contact swing joint's one end disconnection.

Compared with the prior art, the utility model has the advantages and beneficial effects that:

1. The utility model is provided with the mounting frame, the motor, the machine gear and the rotating shaft gear, and can control opening and closing of the brake by remotely controlling the motor so as to achieve the effect of remote control;

2. the utility model provides an electric device, which comprises a motor, a motor gear, a rotating shaft gear, a first cam, a signal switch, a second cam and a second signal switch, wherein a signal is sent out to start the motor when an emergency occurs, the second cam contacts the second signal switch, the received signal indicates that the motor is separated in place, the motor is started when the motor starts to be switched on, the first cam is pressed on the signal switch, the received signal indicates that the motor is switched on in place, and the working time of the motor can be effectively controlled through the signal switch and the second signal switch, so that the switching-on and switching-off are ensured.

Drawings

FIG. 1 is a schematic top view of the product of the present utility model;

FIG. 2 is a schematic perspective view of the product of the present utility model;

FIG. 3 is a schematic view of the structure of the plane A of the product of the utility model;

FIG. 4 is a schematic view of the structure of an electromotive device of the product of the present utility model;

In the figure: 1. a base; 2. a conductive arm; 3. a rotation shaft; 4. an insulating support; 5. rotating the porcelain bottle; 6. a stationary contact; 7. a bracket; 8. rotating the lever; 9. a case body; 10. a mounting frame; 11. a motor; 12. a motor gear; 13. a rotation shaft gear; 14. a first cam; 15. a signal switch; 16. a second cam; 17. a second signal switch; 18. and a second insulating support.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Fig. 1 and 2 are schematic structural views of an embodiment of an electric isolating switch according to the present utility model, including a base 1, a conductive arm 2, a rotating shaft 3, an insulating support 4, a second insulating support 18, a rotary porcelain bottle 5, a fixed contact 6, a support 7, a rotating lever 8, a box 9, a mounting rack 10 and a motor 11, wherein the base 1 is integrally supported at the lowest end, the base 1 is divided into two parts, two supports 7 are disposed between the two bases 1, the supports 7 are connected with the base 1 through nuts, the supports 7 serve to connect the two bases 1 and fix other parts, a rotating shaft 3 is disposed between the two supports 7, the rotating shaft 3 passes through the bases 1 at two ends of the supports 7, the rotating shaft 3 is movably connected with the base 1, the rotating shaft 3 serves to adjust and fix parts, the insulating support 4 is disposed on the supports 7, the insulating support 4 is fixedly connected with the supports 7 through nuts, the rotary porcelain bottle 5 is sleeved on the insulating support column 4, the rotary porcelain bottle 5 is provided with a fixed contact 6, the contact 6 and the rotary porcelain bottle 5 are fixedly connected on the insulating support column 4 through nuts, the rotary shaft 3 is provided with a rotary lever 8, the rotary shaft 3 is fixedly connected with the rotary lever 8 in a welding mode, the rotary lever 8 is connected with a second insulating support column 18, the rotary lever 8 is movably connected with the second insulating support column 18, the rotary lever 8 can drive the second insulating support column 18 to move, the rotary porcelain bottle 5 is sleeved on the second insulating support column 18, the rotary porcelain bottle 5 is fixedly connected on the insulating support column 4 through nuts, the top end of the second insulating support column 18 is also provided with a conductive arm 2, the second insulating support column 18 is fixedly connected with the conductive arm 2, two ends of the electric arm 2 are respectively fixedly connected with the fixed contacts 6 at two ends and movably connected with the rotary lever 8, when the rotary lever 8 rotates along with the rotary shaft 3, the movable lever 8 drives the two insulating support posts 18 to move upwards, one end of the electric arm 2 moves upwards, one end of the electric arm 2, which is movably connected with the fixed contact 6, is disconnected, one side of the base 1 is fixedly connected with the mounting frame 10 through a nut, and the mounting frame 10 is fixedly connected with the motor 11 through the nut.

Fig. 3 is a schematic structural diagram of an electric device according to an embodiment of the present utility model, the electric device includes a motor 11, a motor gear 12, a rotation shaft gear 13, a first cam 14, a signal switch 15, a second cam 16 and a second signal switch 17, a transmission rod of the motor 11 fixed on one side of the mounting frame 10 passes through a side wall of the mounting frame 10, the transmission rod of the motor 11 is provided with the motor gear 12, the transmission rod of the motor 11 is fixedly connected with the motor gear 12, one side of the motor gear 12 is provided with the rotation shaft gear 13, the motor gear 12 is meshed with the rotation shaft gear 13, the rotation shaft gear 13 passes through the rotation shaft 3 and is disposed at one end of the rotation shaft 3, the rotation shaft gear 13 is fixedly connected with the rotation shaft 3, the rotation shaft 3 is fixedly connected with the first cam 14 and the second cam 16, the mounting frame 10 is further provided with a fixedly connected box 9, and the box 9 plays a role in preventing rainwater.

Fig. 4 shows an embodiment of an electric isolating switch according to the present utility model, in actual use, when the conducting arm 2 and the fixed contact 6 are in a closed state, the first cam 14 is pressed on the signal switch 15, when an emergency occurs, a signal is sent out to start the motor 11, the motor 11 drives the motor gear 12 to rotate, the motor gear 12 drives the rotating shaft gear 13 in meshed connection, the rotating shaft gear 13 drives the rotating shaft 3 in fixed connection to rotate, the rotating shaft 3 drives the first cam 14, the second cam 16 and the rotating lever 8 to move, the rotating lever 8 drives the two insulating struts 18 to move upwards, one end of the electric arm 2 moves upwards, the first cam 14 is disconnected from the signal switch 15, so that the end, which is movably connected with the conducting arm 2 and the fixed contact 6, is disconnected from the end, after the end is disconnected from a certain angle, the second cam 16 contacts and touches the second signal switch 17, and the signal is received at this time to indicate that the signal has been separated in place;

In actual use, when the conducting arm 2 and the static contact 6 are in a brake-separating state, the second cam 16 is pressed on the second signal switch 17, the motor 11 is started when a brake-closing signal is sent, the motor 11 drives the motor gear 12 to rotate, the motor gear 12 drives the rotating shaft gear 13 in meshed connection, the rotating shaft gear 13 drives the rotating shaft 3 in fixed connection to rotate, the rotating shaft 3 drives the first cam 14, the second cam 16 and the rotating lever 8 to move, the rotating lever 8 drives the two insulating struts 18 to move downwards, one end of the conducting arm 2 moves downwards, the second cam 16 is pressed on the second signal switch 17 to be disconnected, one end of the conducting arm 2 and one end of the static contact 6 in movable connection are started to be connected, after connection is completed, the first cam 14 is pressed on the signal switch 15, and a signal indicating that the brake is closed in place is received.

The embodiments described herein are merely illustrative of the utility model and various modifications or additions may be made to the described embodiments by those skilled in the art without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although used more herein: 1. a base; 2. a conductive arm; 3. a rotation shaft; 4. an insulating support; 5. rotating the porcelain bottle; 6. a stationary contact; 7. a bracket; 8. rotating the lever; 9. a case body; 10. a mounting frame; 11. a motor; 12. a motor gear; 13. a rotation shaft gear; 14. a first cam; 15. a signal switch; 16. a second cam; 17. a second signal switch; 18. the second insulating support does not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

The detachable new energy automobile charging socket terminal provided by the utility model is described above, and specific preferred embodiments are used for explaining the principle and implementation mode of the utility model, these embodiments are only used for helping to understand the principle and core thought of the utility model, and it should be pointed out that, for those skilled in the art, the implementation modes of the embodiments can be further combined or replaced without departing from the design thought of the utility model, and the improvements and modifications can also fall into the protection scope of the claims of the utility model.

Claims

1. The utility model provides an electronic isolator, includes base (1), rotation axis (3) and support (7), base (1) set up in the lower extreme, base (1) between be provided with two supports (7), two supports (7) between be equipped with rotation axis (3), its characterized in that: one side of base (1) still fixedly connected with mounting bracket (10), one side fixedly connected with motor (11) of mounting bracket (10), the transfer line of motor (11) on be equipped with fixed connection's motor gear (12), one side of motor gear (12) be equipped with rotatory shaft gear (13) of meshing connection, rotatory shaft gear (13) pass rotatory shaft (3) and set up the one end in rotatory shaft (3), rotatory shaft gear (13) and rotatory shaft (3) fixed connection.

2. The electrical disconnector according to claim 1, characterized in that: the rotary shaft (3) is also fixedly connected with a first cam (14), and a second cam (16) is further arranged between the rotary shaft gear (13) and the first cam (14).

3. The electrical disconnector according to claim 2, characterized in that: the two sides of the first cam (14) are provided with signal switches (15), the signal switches (15) are fixed on the side wall of the mounting frame (10), one side of the second cam (16) is provided with a second signal switch (17), and the second signal switch (17) is fixed on the signal switches (15).

4. An electrical disconnector according to claim 3, in which: the mounting frame (10) is also provided with a box body (9) which is fixedly connected.

5. The electrical disconnector according to claim 1, characterized in that: support (7) on be equipped with insulating pillar (4), insulating pillar (4) on be equipped with rotatory vase (5), rotatory vase (5) cup joint on insulating pillar (4), rotatory vase (5) on be equipped with stationary contact (6), rotation axis (3) on be equipped with rotation lever (8), rotation lever (8) be connected with second insulating pillar (18), second insulating pillar (18) on be equipped with rotatory vase (5), the top of second insulating pillar (18) still be equipped with conducting arm (2), the both ends of electric arm (2) respectively with stationary contact (6) fixed connection and swing joint at both ends.