CN212517006U

CN212517006U - Electric power construction is with preventing overheated safe in utilization's isolator

Info

Publication number: CN212517006U
Application number: CN202021184314.9U
Authority: CN
Inventors: 王楠
Original assignee: Right Electric Co ltd
Current assignee: Right Electric Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-02-09
Anticipated expiration: 2030-06-23

Abstract

The utility model relates to an isolator technical field, especially an electric power construction is with preventing overheated safe in utilization's isolator, the on-line screen storage device comprises a support, the first protective barrel of fixedly connected with and second protective barrel respectively on the top of support surface, one side fixedly connected with motor that support surface bottom is close to first protective barrel, the bottom fixedly connected with air inlet case of first protective barrel surface side, the air inlet case surface is kept away from the side of first protective barrel and has been seted up the air intake, the inside of air inlet case is provided with fan and airstrainer respectively. The utility model has the advantages that: the first insulator is connected to the inner portion of the first protection barrel in a rotating mode, the effect of protecting the first insulator is achieved, the air inlet box is fixedly connected to the side face of the outer surface of the first protection barrel, the fan blows air into the inner portion of the first protection barrel, the effect of cooling is achieved for the first insulator, and the problem that the porcelain piece is broken due to the fact that the insulator has temperature difference is solved.

Description

Electric power construction is with preventing overheated safe in utilization's isolator

Technical Field

The utility model relates to an isolator technical field, especially an electric power construction is with preventing overheated safe in utilization's isolator.

Background

The isolating switch, namely when in the separated position, the contacts have the insulation distance meeting the specified requirements and obvious disconnection marks; in the closed position, a switchgear capable of carrying current under normal loop conditions and current under abnormal conditions within a specified time, the disconnector generally being a high voltage disconnector, namely, the isolating switch with rated voltage of 1kV or more, which is usually called as isolating switch for short, is the most used electrical appliance in high-voltage switch electrical appliances, the working principle and the structure of the isolating switch are simpler, but the requirement on the working reliability is high due to the large using amount, the influence to the design of electric substation, power plant, establishment and safe operation is all great, and isolator's key feature is that there is not arc extinguishing ability, can only divide, close the circuit under the condition that does not have load current, and traditional electric power construction is with preventing that overheated safe in utilization's isolator generally adopts the insulator directly to expose in the air, with air cooling, still has following shortcoming when solving the insulator problem that generates heat:

the existing isolating switch is overloaded when the current exceeds the rated current due to overlarge current in the using process, so that a contact is easy to heat to increase the temperature of a ceramic insulator, and the ceramic part is easy to break due to large temperature difference between the upper part and the lower part of the insulator and the influence of external force, thereby causing potential safety hazards; in addition, the insulator is exposed in the air for a long time, so that dust and impurities are easily adhered to the surface of the insulator, the insulating property of the insulator is reduced, and the quality of power supply of a power grid is directly threatened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide an electric power construction is with preventing overheated safe in utilization's isolator, effectively solved prior art's not enough.

The purpose of the utility model is realized through the following technical scheme: an overheating-prevention safety-in-use isolating switch for electric power construction comprises a support, wherein the top end of the outer surface of the support is fixedly connected with a first protecting cylinder and a second protecting cylinder respectively, the bottom end of the outer surface of the support is fixedly connected with a motor close to one side of the first protecting cylinder, the bottom of the side surface of the outer surface of the first protecting cylinder is fixedly connected with an air inlet box, the side surface of the outer surface of the air inlet box, which is far away from the first protecting cylinder, is provided with an air inlet, the inside of the air inlet box is provided with a fan and an air filter screen respectively, one end, which is far away from the support, of the outer surface of the first protecting cylinder is provided with an isolating net, the inside of the first protecting cylinder is provided with a first insulator, the top of the outer surface of the first protecting cylinder is provided with a rain cover, the top end of the outer surface of the, the top of first terminal surface is provided with and leads electrical pillar, the one end of leading electrical pillar surface to keep away from first terminal is provided with the conducting block, the side fixedly connected with buckle of conducting block surface, the inside of second protection section of thick bamboo is provided with the second insulator, the output of motor is provided with the stopper.

Optionally, the fan and the air filter screen are both fixedly connected with the air inlet box, and the first protective cylinder and the second protective cylinder are identical in structure.

Optionally, the first insulator is identical to the second insulator in structure, the first insulator is fixedly connected with the output end of the motor, and the first insulator is rotatably connected with the first protection cylinder.

Optionally, the sizes of the first insulator and the second insulator are respectively matched with the sizes of the first protection cylinder and the second protection cylinder, and the size of the isolation net is respectively matched with the sizes of the first insulator and the first protection cylinder.

Optionally, the second insulator is fixedly connected with the second protection cylinder, and the rain cover and the isolation net are both clamped with the first insulator.

Optionally, the size of the rain cover is matched with the size of the first protection barrel, and a gap is reserved between the rain cover and the first protection barrel.

Optionally, it all is connected with first terminal rotation to lead electrical pillar and fixed fitting, it connects electrical pillar and buckle joint to lead electrical pillar.

Optionally, the conductive block is fixedly connected with the second insulator, the size of the buckle is matched with the size of the conductive column, and the limiting block is fixedly connected with the motor.

The utility model has the advantages of it is following:

1. this electric power construction is with preventing overheated safe in utilization's isolator rotates through the inside at first protection section of thick bamboo and is connected with the first insulator, has played the effect of protection first insulator, through the side fixedly connected with air inlet box at first protection section of thick bamboo surface, later can blow into the inside of first protection section of thick bamboo with the air through the fan, has played the effect of cooling to the first insulator, has solved because of there is the cracked problem of temperature difference messenger's porcelain spare in the insulator.

2. This electric power construction is with preventing overheated safe in utilization's isolator, through being close to air intake one end fixed connection airstrainer in air inlet box inside, play fine filtering action to the air, through the separation net at the top joint of first protective barrel surface, can reduce the inside that dust impurity got into first protective barrel, make the device still have dirt-proof function through separation net and airstrainer, solved the dust impurity adhesion on the surface of insulator, reduce the problem of insulator insulating properties.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

FIG. 2 is a schematic view of the assembly of the present invention;

fig. 3 is a schematic structural view of a second insulator according to the present invention;

fig. 4 is a schematic view of the structure of the motor of the present invention.

In the figure: the method comprises the following steps of 1-support, 2-air filtering net, 3-fan, 4-air inlet, 5-air inlet box, 6-first protective cylinder, 7-limiting block, 8-isolation net, 9-first insulator, 10-rain-proof cover, 11-first wiring terminal, 12-conductive column, 13-conductive block, 14-second protective cylinder, 15-motor, 16-fixed hardware fitting, 17-buckle and 18-second insulator.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1 to 4, an isolating switch for preventing overheating and being safe in use for electric power construction comprises a support 1, a first protection barrel 6 and a second protection barrel 14 are fixedly connected to the top end of the outer surface of the support 1 respectively, a motor 15 is fixedly connected to one side of the bottom end of the outer surface of the support 1 close to the first protection barrel 6, an air inlet box 5 is fixedly connected to the bottom of the side surface of the outer surface of the first protection barrel 6, an air inlet 4 is formed in the side surface of the outer surface of the air inlet box 5 far away from the first protection barrel 6, a fan 3 and an air filter screen 2 are respectively arranged inside the air inlet box 5, an isolating screen 8 is arranged at one end of the outer surface of the first protection barrel 6 far away from the support 1, a first insulator 9 is arranged inside the first protection barrel 6, a rain cover 10 is arranged at the top of the outer surface of the first protection barrel 6, a fixing hardware fitting 16 is fixedly connected to the top end of the outer surface of the, the top of first terminal 11 surface is provided with and leads electrical pillar 12, and the one end of leading electrical pillar 12 surface to keep away from first terminal 11 is provided with conducting block 13, and the side fixedly connected with buckle 17 of conducting block 13 surface, the inside of second protection section of thick bamboo 14 is provided with second insulator 18, and the output of motor 15 is provided with stopper 7.

As an optional technical solution of the utility model:

fan 3 and airstrainer 2 all with air inlet box 5 fixed connection, first protection section of thick bamboo 6 is the same with the structure of second protection section of thick bamboo 14, fan 3 can be with the inside of outside air suction first protection section of thick bamboo 6, make the air pass through the space between first protection section of thick bamboo 6 and the first insulator 9 fast, the cooling to first insulator 9 is realized to the air flow through accelerating the first insulator 9 surface, airstrainer 2 is arranged in dust and the impurity that mix with in the filtered air, prevent that dust impurity from adsorbing at the surface of first insulator 9.

As an optional technical solution of the utility model:

first insulator 9 is the same with second insulator 18 structure, first insulator 9 and motor 15's output fixed connection, first insulator 9 rotates with first protection section of thick bamboo 6 to be connected, guarantee that first insulator 9 can realize leading the switching of electrical pillar 12 and buckle 17 under the drive of motor 15, thereby realize switching on and the disconnection of circuit, first insulator 9 rotates with first protection section of thick bamboo 6 to be connected and can prevent that first insulator 9 and first protection section of thick bamboo 6 from together rotating, make things convenient for first insulator 9 to rotate smoothly.

As an optional technical solution of the utility model:

the sizes of the first insulator 9 and the second insulator 18 are respectively matched with the sizes of the first protection cylinder 6 and the second protection cylinder 14, the size of the isolation net 8 is respectively matched with the sizes of the first insulator 9 and the first protection cylinder 6, the sizes of the first insulator 9 and the second insulator 18 are respectively smaller than the sizes of the first protection cylinder 6 and the second protection cylinder 14, certain gaps can be formed between the first insulator 9 and the first protection cylinder 6, and between the second insulator 18 and the second protection cylinder 14, air can conveniently circulate in the gaps, the flowability of the air is increased, the cooling effect is enhanced, the isolation net 8 has the same function as the air filter screen 2, and is used for preventing dust impurities in the external air from entering the first protection cylinder 6 from the top end of the first protection cylinder 6.

As an optional technical solution of the utility model:

second insulator 18 and the 14 fixed connection of second protection section of thick bamboo, rain-proof cover 10 and separation net 8 all with the joint of first insulator 9, rain-proof cover 10 mainly makes the inside that prevents the rainwater and get into a first protection section of thick bamboo 6, and then causes the threat to the operation of fan 3, second insulator 18 and the 14 fixed connection of second protection section of thick bamboo can increase the stability of leading electrical pillar 12 and buckle 17 to be connected, reduce the virtual joint that exists between the two, thereby reduce and generate heat, from the thermal production of root cause control.

As an optional technical solution of the utility model:

size and the first size looks adaptation of a protection section of thick bamboo 6 of rain-proof cover 10, leave the clearance between rain-proof cover 10 and the first protection section of thick bamboo 6, the size of rain-proof cover 10 is greater than the size of a protection section of thick bamboo 6, make rain-proof cover 10 can cover a protection section of thick bamboo 6 completely, in order to prevent that the rainwater from getting into the inside of a protection section of thick bamboo 6, the clearance between rain-proof cover 10 and the first protection section of thick bamboo 6 mainly provides the guarantee for the circulation of air, make and can flow as early as possible through the inside air of a protection section of thick bamboo 6, increase the circulation of the inside air of a protection section of thick bamboo 6.

As an optional technical solution of the utility model:

lead electrical pillar 12 and fixed fitting 16 and all rotate with first terminal 11 and be connected, lead electrical pillar 12 and buckle 17 joint, it is mainly rotatory in order to realize leading electrical pillar 12 can follow first insulator 9 with first terminal 11 rotation to lead electrical pillar 12 to rotate to lead the switching of circuit, realize isolation function, improve the safety guarantee to the operator, lead electrical pillar 12 and buckle 17 joint, can realize leading the chucking and the disconnection between electrical pillar 12 and the buckle 17.

As an optional technical solution of the utility model:

conducting block 13 and second insulator 18 fixed connection, buckle 17's size and the size looks adaptation of leading electrical pillar 12, stopper 7 and motor 15 fixed connection, avoid buckle 17 and lead the virtual phenomenon that connects of appearing between electrical pillar 12, guarantee buckle 17 and lead laminating between the electrical pillar 12 surface inseparabler, ensure that the electric current can be through bigger area of contact, from the root control with reduce thermal production, improve the safety of power supply, reliability, stopper 7 can restrict the rotation angle of first insulator 9, be used for control to lead electrical pillar 12 and conducting block 13 and be connected and break off.

The working process of the utility model is as follows: when a user uses the ceramic insulator, the first insulator 9 is rotatably connected inside the first protection cylinder 6, the first insulator 9 is protected, the air inlet box 5 is fixedly connected to the side surface of the outer surface of the first protection cylinder 6, air can be blown into the first protection cylinder 6 through the fan 3, the first insulator 9 is cooled, and the problem that the ceramic part is broken due to the temperature difference of the insulator is solved; and then, the air filter screen 2 is fixedly connected with one end, close to the air inlet 4, of the air inlet box 5, so that the air can be well filtered, the separation screen 8 clamped at the top end of the outer surface of the first protection cylinder 6 can reduce the dust impurities from entering the first protection cylinder 6, the device also has a dustproof function through the separation screen 8 and the air filter screen 2, and the problem of dust impurity adhesion on the surface of an insulator and insulator insulation performance reduction is solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric power construction is with preventing overheated safe in utilization's isolator which characterized in that: comprises a support (1), the top of the outer surface of the support (1) is fixedly connected with a first protection cylinder (6) and a second protection cylinder (14) respectively, one side of the bottom of the outer surface of the support (1) close to the first protection cylinder (6) is fixedly connected with a motor (15), the bottom of the side surface of the outer surface of the first protection cylinder (6) is fixedly connected with an air inlet box (5), the side surface of the outer surface of the air inlet box (5) far away from the first protection cylinder (6) is provided with an air inlet (4), the inside of the air inlet box (5) is respectively provided with a fan (3) and an air filter screen (2), one end of the outer surface of the first protection cylinder (6) far away from the support (1) is provided with a separation net (8), the inside of the first protection cylinder (6) is provided with a first insulator (9), the top of the outer surface of the first protection cylinder (6) is provided with a rainproof cover, the top fixedly connected with attach fitting (16) of first insulator (9) surface, the top of attach fitting (16) surface is provided with first terminal (11), the top of first terminal (11) surface is provided with leads electrical pillar (12), the one end of keeping away from first terminal (11) on electrical pillar (12) surface is provided with conducting block (13), the side fixedly connected with buckle (17) of conducting block (13) surface, the inside of second protection section of thick bamboo (14) is provided with second insulator (18), the output of motor (15) is provided with stopper (7).

2. The isolating switch according to claim 1, wherein the isolating switch is used for preventing overheating and is safe in use for power construction, and comprises: the fan (3) and the air filter screen (2) are fixedly connected with the air inlet box (5), and the first protective cylinder (6) and the second protective cylinder (14) are identical in structure.

3. The isolating switch according to claim 1, wherein the isolating switch is used for preventing overheating and is safe in use for power construction, and comprises: the structure of the first insulator (9) is the same as that of the second insulator (18), the first insulator (9) is fixedly connected with the output end of the motor (15), and the first insulator (9) is rotatably connected with the first protection cylinder (6).

4. The isolating switch according to claim 1, wherein the isolating switch is used for preventing overheating and is safe in use for power construction, and comprises: the sizes of the first insulator (9) and the second insulator (18) are respectively matched with the sizes of the first protective cylinder (6) and the second protective cylinder (14), and the size of the isolation net (8) is respectively matched with the sizes of the first insulator (9) and the first protective cylinder (6).

5. The isolating switch according to claim 1, wherein the isolating switch is used for preventing overheating and is safe in use for power construction, and comprises: the second insulator (18) is fixedly connected with the second protection barrel (14), and the rain cover (10) and the isolation net (8) are connected with the first insulator (9) in a clamping mode.

6. The isolating switch according to claim 1, wherein the isolating switch is used for preventing overheating and is safe in use for power construction, and comprises: the size of rain-proof cover (10) and the size looks adaptation of a first protection section of thick bamboo (6), leave the clearance between rain-proof cover (10) and a first protection section of thick bamboo (6).

7. The isolating switch according to claim 1, wherein the isolating switch is used for preventing overheating and is safe in use for power construction, and comprises: the conductive column (12) and the fixed hardware fitting (16) are rotatably connected with the first binding post (11), and the conductive column (12) is connected with the buckle (17) in a clamping mode.

8. The isolating switch according to claim 1, wherein the isolating switch is used for preventing overheating and is safe in use for power construction, and comprises: the conducting block (13) is fixedly connected with the second insulator (18), the size of the buckle (17) is matched with that of the conducting column (12), and the limiting block (7) is fixedly connected with the motor (15).