CN218826808U - Isolating switch contact for outdoor isolating switch - Google Patents

Abstract

The utility model discloses a isolator contact for outdoor isolator, including the installing frame, there is the isolator body at the top of installing frame through bolted connection, there is the moving contact left side at isolator body top through bolted connection, there is the static contact right side at isolator body top through bolted connection, the fixed cover in surface of moving contact is equipped with the support, there is cooling body at the top of support through bolted connection, there is servo motor front side of installing frame through bolted connection, servo motor's pivot runs through to the inside and the fixedly connected with lead screw of installing frame. The utility model discloses a cooperation of cooler bin, semiconductor cooler, fan, distribution pipe and cooling tube possesses cooling function's advantage, can cool off the junction of moving contact and static contact, makes its difficult long-pending hot phenomenon that takes place, by a wide margin promotion isolator's security.

Description

Isolating switch contact for outdoor isolating switch

Technical Field

The utility model relates to an outdoor isolator technical field of 10kV specifically is a isolator contact for outdoor isolator.

Background

The 10kV high-voltage isolating switch is an important switching device in electric systems of power plants and transformer substations, needs to be matched with a high-voltage circuit breaker for use, and has the main functions of: the safety of high-voltage electrical appliances and devices during maintenance work is ensured, the voltage isolation function is realized, and the contact of the isolating switch is an important part on the isolating switch.

Patent application publication No. CN 214043507U's utility model patent discloses an outdoor isolator contact of 10kV and isolator, the contact includes: a moving contact; the static contact comprises a screw assembly, a contact finger head and a spring ring, wherein the contact finger head is bent inwards to form a hook, and the spring ring is sleeved on the hook; the connecting piece, the one end of connecting piece is the hexagonal body, pass through respectively on the six faces of hexagonal body one the contact finger head is connected to the screw subassembly. The utility model discloses a moving contact is connected for the cylinder formula face with the static contact, can effectively press from both sides tightly, prevents that the contact is not good to arouse and generates heat.

But above-mentioned device still has some shortcomings when in-service use, it is comparatively obvious do not possess cooling function, lead to unable treatment of cooling down to the junction surface between two contacts, cause the contact surface to take place long-term when using accumulated heat phenomenon easily, thereby produce the potential safety hazard, do not have the fast loading and unloading function simultaneously, cause when breaking down and need dismantling the maintenance to contact and isolator, need use a large amount of instruments and time to dismantle the bolt, the mode is wasted time and energy, influence maintenance efficiency, isolator's suitability has been reduced simultaneously.

Therefore, it is desirable to provide a disconnector contact for an outdoor disconnector that solves the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a isolator contact for outdoor isolator possesses convenient to detach and overhauls and have cooling function's advantage, has solved current isolator contact in the use, and the person of not being convenient for uses dismantles contact and isolator and overhauls, does not have cooling function's problem simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an isolator contact for outdoor isolator, includes the installing frame, there is the isolator body at the top of installing frame through bolted connection, there is the moving contact left side at isolator body top through bolted connection, there is the static contact right side at isolator body top through bolted connection, the fixed cover in surface of moving contact is equipped with the support, there is cooling body at the top of support through bolted connection, there is servo motor front side of installing frame through bolted connection, servo motor's pivot runs through to the inside and the fixedly connected with lead screw of installing frame, the screw thread of lead screw surface both sides is turned round to opposite, the equal thread bush in front side and the rear side on lead screw surface is equipped with fixture, there is the controller front side at installing frame top through bolted connection.

Preferably, cooling body includes the cooler bin, bolt and support fixed connection are passed through to the bottom of cooler bin, the right side of cooler bin bottom is run through and is provided with the semiconductor cooler, the cold board is led to the top fixedly connected with of semiconductor cooler, the top riveting of leading the cold board has leads the cold fin, the left side of cooler bin is run through and is provided with the fan, the right side intercommunication of cooler bin has the distributing pipe, the bottom intercommunication of distributing pipe has the cooling tube, the cooling tube is located the top of moving contact, the output of controller is connected with semiconductor cooler and fan one-way electricity respectively.

Preferably, the clamping mechanism comprises a movable cylinder, the movable cylinder is in threaded connection with the screw rod, a clamping plate is riveted to the bottom of the movable cylinder, and a limiting plate is riveted to one side, opposite to the clamping plate, of the clamping plate.

Preferably, the number of the cold guide plates is four, and the cold guide plates are arranged at equal intervals.

Preferably, the output end of the controller is in one-way electric connection with the servo motor, and the rear end of the screw rod is movably connected with the inner wall of the mounting frame through a bearing.

Preferably, one side opposite to the inner cavity of the mounting frame is riveted with a guide rod, and the rear end of the guide rod penetrates through the clamping mechanism.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cooperation of cooler bin, semiconductor cooler, fan, distribution pipe and cooling tube possesses cooling function's advantage, can cool off the junction of moving contact and static contact, makes its difficult long-pending hot phenomenon that takes place, by a wide margin promotion isolator's security.

2. The utility model discloses a cooperation of a movable section of thick bamboo, splint and limiting plate possesses the fast loading and unloading function, can carry out quick dismantlement processing to isolator when breaking down to reduce staff's dismantlement time, increased maintenance efficiency simultaneously.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the clamping mechanism of the present invention;

FIG. 3 is a schematic perspective sectional view of the partial structure of the present invention;

fig. 4 is a perspective view of the local structure of the present invention.

In the figure: the device comprises an installation frame 1, an isolating switch body 2, a movable contact 3, a fixed contact 4, a support 5, a cooling mechanism 6, a servo motor 7, a screw rod 8, a clamping mechanism 9, a controller 10, a cooling box 11, a semiconductor refrigerator 12, a cold conducting plate 13, a cold conducting plate 14, a fan 15, a distribution pipe 16, a radiating pipe 17, a movable barrel 18, a clamping plate 19, a limiting plate 20 and a guide rod 21.

Detailed Description

Referring to fig. 1-4, an isolating switch contact for an outdoor isolating switch comprises an installation frame 1, the top of the installation frame 1 is connected with an isolating switch body 2 through a bolt, the left side of the top of the isolating switch body 2 is connected with a moving contact 3 through a bolt, the right side of the top of the isolating switch body 2 is connected with a static contact 4 through a bolt, a support 5 is fixedly sleeved on the surface of the moving contact 3, the top of the support 5 is connected with a cooling mechanism 6 through a bolt, the front side of the installation frame 1 is connected with a servo motor 7 through a bolt, the servo motor 7 can control speed and position precision, can convert voltage signals into torque and rotating speed to drive a control object, the rotating speed of a rotor of the servo motor 7 is controlled by an input signal, the servo motor can be used as an execution element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity and the like, can convert a received electric signal into angular displacement or angular velocity on a motor shaft for output, and is divided into two categories of direct current servo motors and alternating current servo motors.

The cooling mechanism 6 comprises a cooling box 11, the bottom of the cooling box 11 is fixedly connected with a bracket 5 through bolts, a semiconductor refrigerator 12 is arranged on the right side of the bottom of the cooling box 11 in a penetrating mode, the semiconductor refrigerator 12 is a device for producing cooling capacity by utilizing the thermoelectric effect of a semiconductor, and is also called a thermoelectric refrigerator, two different metals are connected through a conductor, when direct current is switched on, the temperature of one joint is reduced, and the temperature of the other joint is increased, the semiconductor refrigerator 12 has the characteristics of no noise, no vibration, no refrigerant, small size, light weight and the like, and has the advantages of reliable operation, simple and convenient operation and easy cooling capacity adjustment, a cold guide plate 13 is fixedly connected to the top of the semiconductor refrigerator 12, a cold guide sheet 14 is riveted to the top of the cold guide plate 13, a fan 15 is arranged on the left side of the cooling box 11 in a penetrating mode, a distribution pipe 16 is communicated with the right side of the cooling box 11, a heat radiation pipe 17 is communicated with the bottom of the distribution pipe 16, the heat radiation pipe 17 is positioned at the top of the movable contact 3, and the output end of the controller 10 is respectively and in one-way and electric connection with the semiconductor refrigerator 12 and the fan 15.

The clamping mechanism 9 comprises a movable cylinder 18, the movable cylinder 18 is in threaded connection with the screw rod 8, a clamping plate 19 is riveted at the bottom of the movable cylinder 18, and a limiting plate 20 is riveted at one side, opposite to the clamping plate 19.

The number of the cold guide fins 14 is four, the cold guide fins 14 are arranged at equal intervals, and the cold guide fins 14 are arranged, so that cold can be uniformly transmitted to the inner cavity of the cooling box 11, and the subsequent cooling effect is increased.

The output end of the controller 10 is in one-way electric connection with the servo motor 7, the rear end of the screw rod 8 is movably connected with the inner wall of the mounting frame 1 through a bearing, and the screw rod 8 can be driven by arranging the servo motor 7, so that the two clamping plates 19 can move relatively.

The opposite side of installing frame 1 inner chamber is riveted with guide bar 21, and fixture 9 is run through to the rear end of guide bar 21, through setting up guide bar 21, can lead to a movable section of thick bamboo 18, makes it more steady when carrying out the back-and-forth movement.

During the use, when the isolating switch body 2 needs to be installed, the installation frame 1 is placed on the surface of the preset profile steel, then the servo motor 7 is controlled by the controller 10 to operate, the rotating shaft of the servo motor 7 drives the screw rod 8 to rotate, the screw rod 8 enables the movable barrel 18 to start to move through being in threaded connection with the movable barrel 18, the two movable barrels 18 move relatively, the movable barrel 18 drives the clamping plate 19 and the limiting plate 20 to move, and the limiting plate 20 is clamped on the surface of the profile steel, so that the installation operation is completed.

In summary, the following steps: this a isolator contact for outdoor isolator through cooler bin 11, semiconductor cooler 12, fan 15, distributor pipe 16, cooling tube 17, activity section of thick bamboo 18, splint 19 and limiting plate 20, has solved current isolator contact in the use, and the person of not being convenient for dismantles contact and isolator and overhauls, does not have cooling function's problem simultaneously.

Claims (6)

1. A disconnector contact for outdoor disconnectors, comprising a mounting frame (1), characterized in that: the improved structure of the electric connector is characterized in that the top of the mounting frame (1) is connected with an isolating switch body (2) through a bolt, the left side of the top of the isolating switch body (2) is connected with a moving contact (3) through a bolt, the right side of the top of the isolating switch body (2) is connected with a fixed contact (4) through a bolt, a support (5) is sleeved on the fixed surface of the moving contact (3), the top of the support (5) is connected with a cooling mechanism (6) through a bolt, the front side of the mounting frame (1) is connected with a servo motor (7) through a bolt, a rotating shaft of the servo motor (7) penetrates through the inside of the mounting frame (1) and is fixedly connected with a lead screw (8), the rotating directions of threads on the two sides of the surface of the lead screw (8) are opposite, the front side and the rear side of the surface of the lead screw (8) are sleeved with a clamping mechanism (9), and the front side of the top of the mounting frame (1) is connected with a controller (10) through a bolt.

2. A disconnector contact for outdoor disconnectors according to claim 1, characterized in that: cooling body (6) include cooler bin (11), bolt and support (5) fixed connection are passed through to the bottom of cooler bin (11), the right side of cooler bin (11) bottom is run through and is provided with semiconductor cooler (12), cold plate (13) are led to the top fixedly connected with of semiconductor cooler (12), the top riveting of leading cold plate (13) has led cold fin (14), the left side of cooler bin (11) is run through and is provided with fan (15), the right side intercommunication of cooler bin (11) has distribution pipe (16), the bottom intercommunication of distribution pipe (16) has cooling tube (17), cooling tube (17) are located the top of moving contact (3), the output of controller (10) is connected with semiconductor cooler (12) and fan (15) one-way electricity respectively.

3. A disconnector contact for outdoor disconnectors according to claim 1, characterized in that: the clamping mechanism (9) comprises a movable cylinder (18), the movable cylinder (18) is in threaded connection with the screw rod (8), a clamping plate (19) is riveted to the bottom of the movable cylinder (18), and a limiting plate (20) is riveted to one side, opposite to the clamping plate (19).

4. A disconnector contact for outdoor disconnectors according to claim 2, characterized in that: the number of the cold guide plates (14) is four, and the cold guide plates (14) are arranged at equal intervals.

5. A disconnector contact for outdoor disconnectors according to claim 1, characterized in that: the output end of the controller (10) is in one-way electric connection with the servo motor (7), and the rear end of the screw rod (8) is movably connected with the inner wall of the mounting frame (1) through a bearing.

6. A disconnector contact for outdoor disconnectors according to claim 1, characterized in that: one side that the installing frame (1) inner chamber is relative has riveted guide bar (21), fixture (9) is run through to the rear end of guide bar (21).

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