CN217983187U - Outdoor intelligent solid-sealed polar pole with isolation function and outdoor intelligent pole-mounted switch - Google Patents

Abstract

The utility model provides an outdoor intelligent solid-sealed polar pole with isolation function and an outdoor intelligent pole-mounted switch, wherein the outdoor intelligent solid-sealed polar pole with isolation function comprises an insulating shell, and a primary incoming line contact arm, a vacuum arc extinguish chamber, an isolation upper contact arm, an isolation lower contact arm and a primary outgoing line contact arm which are fixedly sealed on the insulating shell; the insulation shell is also provided with a breaker cavity, a sensor cavity and an isolation switch cavity, the breaker cavity is internally provided with a breaker insulation pull rod connected with a movable end of the vacuum arc extinguish chamber, the isolation switch cavity is provided with an isolation switch, and the isolation switch cavity is provided with an upper cavity positioned between an isolation upper contact arm and an isolation lower contact arm and a lower cavity positioned below the isolation lower contact arm; the upper chamber has a transparent viewing window. The multifunctional integration of miniaturization, intellectualization, visual isolation switch and full solid sealing insulation of charged bodies of the pole-mounted switch is realized.

Description

Outdoor intelligent solid-sealed polar pole with isolation function and outdoor intelligent pole-mounted switch

Technical Field

The utility model belongs to the technical field of high-voltage electrical switchgear and specifically relates to an outdoor intelligent pole-mounted switch who seals terminal and have this outdoor intelligent pole-mounted switch who seals terminal admittedly of intelligence of taking isolation function is taken to open air.

Background

The isolating switch is an important switch element of an electric power distribution system and plays a role in control and protection in the power distribution network system. In the existing outdoor medium-voltage distribution network system, a pole-mounted circuit breaker and a disconnecting switch are split modular units, and connecting conductive loops of the pole-mounted circuit breaker and the disconnecting switch are exposed outdoors and insulated by air, so that the pole-mounted circuit breaker and the disconnecting switch are easily influenced by environmental factors such as birds, small animals, high-speed flying objects, dirt and the like, and the operation faults of a power grid are frequent.

Meanwhile, the air-insulated switch is bulky and heavy in structural design, and is not beneficial to the installation, maintenance and reliable operation of an outdoor switch; the common-box outdoor pole-mounted switch is generally internally provided with insulating gas at present to achieve the safe insulating distance between a charged body and the ground, and the internally provided insulating gas is sulfur hexafluoride gas and nitrogen or dry gas which has excellent insulating property but is not environment-friendly and is greenhouse gas, so that the greenhouse effect and global warming are caused by excessive use of the sulfur hexafluoride gas; nitrogen or dry gas is used for replacing sulfur hexafluoride gas, but the insulating property of the two gases is far lower than that of the sulfur hexafluoride gas; meanwhile, the built-in gas common-box type outdoor column switch has high requirements on the box body sealing property of the circuit breaker, so that the product cost is high and the requirements on production equipment are high; meanwhile, nitrogen or dry gas is used for replacing sulfur hexafluoride gas, so that the method is feasible in environmental protection, but when a product is designed, the product is huge in size, complex in internal structure and heavy in weight, and the design concept and the requirement of intelligence, miniaturization and modularization of the intelligent electric are against the counter; meanwhile, the isolating switch of the common-box outdoor column switch is arranged in the metal box body, so that the isolating switch cannot be observed by naked eyes, and great difficulty is caused to field maintenance and repair.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an outdoor intelligent solid-sealed polar pole with isolation function and an outdoor on-pole intelligent switch, which can make the on-pole switch have the functions of breaker and isolation switch through the structure optimization design of the polar pole; secondly, a built-in sensor enables the column switch to have an intelligent switch function; thirdly, a built-in isolating switch with a transparent observation window; the multifunctional integration of miniaturization, intellectualization, visual isolating switch and full solid-sealed insulation of a charged body of the pole-mounted switch in a product is perfectly realized.

In order to achieve the above purpose, the utility model provides a technical scheme as follows:

an outdoor intelligent solid-sealed polar pole with an isolation function comprises an insulating shell, and a primary incoming line contact arm, a vacuum arc extinguish chamber, an isolation upper contact arm, an isolation lower contact arm and a primary outgoing line contact arm which are fixedly sealed on the insulating shell; the insulation shell is also provided with a breaker cavity, a sensor cavity and an isolating switch cavity, a breaker insulation pull rod connected with the moving end of the vacuum arc-extinguishing chamber is assembled in the breaker cavity, the primary incoming line contact arm is in electric contact with the moving end of the vacuum arc-extinguishing chamber through flexible connection, the static end of the vacuum arc-extinguishing chamber is in electric contact with the isolating upper contact arm, and a sensor is arranged in the sensor cavity; the isolating switch cavity is assembled with an isolating switch, and the isolating switch cavity is provided with an upper cavity positioned between an isolating upper contact arm and an isolating lower contact arm and a lower cavity positioned below the isolating lower contact arm; the upper chamber has a transparent viewing window.

Further, the insulating housing comprises a main housing, a silica gel housing and a transparent cover, and the main housing fixedly seals the primary wire inlet contact arm, the vacuum arc-extinguishing chamber, the isolation upper contact arm, the isolation lower contact arm and the primary wire outlet contact arm; the transparent cover is assembled between the isolation upper contact arm and the isolation lower contact arm, and the silica gel shell covers the outer surface of the main shell.

Furthermore, the transparent observation window is made of tempered explosion-proof glass or transparent organic engineering plastic.

Furthermore, isolator includes keeps apart and touches arm, insulating guide and keeps apart insulating pull rod, keep apart and touch arm slidable assembly and touch under keeping apart on touching the arm, insulating guide connects in the lower extreme that keeps apart and touches the arm, keep apart insulating pull rod and connect on insulating guide.

Further, the insulating guide part is provided with an insulating cover extending downwards, and the shape of the insulating cover is matched with that of the lower chamber.

Furthermore, the isolation upper contact arm and the isolation lower contact arm are both provided with a conductive spring contact finger, and the conductive spring contact finger and the isolation contact arm form electric contact.

Further, the sensor cavity is located between the circuit breaker cavity and the isolation switch cavity.

Further, still be equipped with inlet wire side voltage sensor in the circuit breaker cavity, inlet wire side voltage sensor touches the arm electrical contact with once the inlet wire.

Further, a sensor assembled in the sensor cavity is a voltage sensor at the wire outlet side, and the voltage sensor at the wire outlet side is in electrical contact with the isolation lower contact arm; or the sensor assembled in the sensor cavity is an incoming line electricity-taking sensor, and the incoming line electricity-taking sensor is in electric contact with the primary incoming line contact arm.

An outdoor intelligent pole-mounted switch at least comprises the outdoor intelligent solid-sealed pole with the isolation function.

Through the utility model provides a technical scheme has following beneficial effect:

1. the vacuum arc extinguish chamber and the isolating switch are integrated in the same insulating shell, and the vacuum arc extinguish chamber and the isolating switch have the functions of a circuit breaker and an isolating switch and are compact in structure.

2. Still be formed with the sensor cavity in the insulating casing for the assembly sensor can respond to the parameter of conducting wire in real time, makes the column switch have the intelligence switch function.

3. The upper chamber of the isolating switch cavity is provided with a transparent observation window, so that the condition of the isolating switch can be visually confirmed, and the field maintenance and overhaul are facilitated.

The utility model provides a scheme has realized the column switch in the product miniaturization, intelligent, the visual, the electrified body of isolator seals insulating multi-functional integration totally admittedly.

Drawings

Fig. 1 is a schematic perspective view illustrating an outdoor intelligent embedded pole with an isolation function according to an embodiment;

fig. 2 is a front view of an outdoor intelligent embedded pole with an isolation function according to an embodiment;

FIG. 3 is a side view of an outdoor intelligent embedded pole with an isolation function according to an embodiment;

fig. 4 is a top view of an outdoor intelligent embedded pole with an isolation function according to the embodiment;

FIG. 5 is a partial cross-sectional view of an outdoor intelligent embedded pole with isolation function according to an embodiment;

fig. 6 is a partial sectional view of an intelligent embedded pole with isolation function according to two embodiments.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Example one

Referring to fig. 1 to 5, the present embodiment provides an outdoor intelligent embedded pole with an isolation function, including an insulating housing 10, and a primary incoming contact arm 21, a vacuum interrupter 22, an isolation upper contact arm 23, an isolation lower contact arm 24, and a primary outgoing contact arm 25, which are embedded in the insulating housing 10; the insulating housing 10 is further formed with a circuit breaker cavity 101, a sensor cavity 102 and a disconnecting switch cavity 103, the circuit breaker cavity 101 is internally equipped with a circuit breaker insulating pull rod 221 connected with the moving end of the vacuum arc-extinguishing chamber 22, and the on/off of the vacuum arc-extinguishing chamber 22 is controlled by controlling the circuit breaker insulating pull rod 221.

The inlet wire touches arm 21 and passes through the flexible coupling 27 and vacuum interrupter 22's the end electrical contact that moves, vacuum interrupter 22's quiet end electrical contact touch arm 23, it is concrete on the isolation, still sealed the isolation connecting bar 28 in the insulating housing 10 admittedly, vacuum interrupter 22's quiet end through the isolation connecting bar 28 with it forms the electrical contact to touch arm 23 on the isolation. The isolated lower contact arm 24 is in electrical contact with the primary outlet contact arm 25.

A sensor (in this specific embodiment, an outlet side voltage sensor 42) is arranged in the sensor cavity 102; the isolation switch cavity 103 is equipped with an isolation switch 30, and the isolation switch cavity 103 is provided with an upper chamber 1031 positioned between the isolation upper contact arm 23 and the isolation lower contact arm 24 and a lower chamber 1032 positioned below the isolation lower contact arm 24; the upper chamber 1031 has a transparent viewing window 131.

This embodiment still provides an outdoor intelligent pole-mounted switch, at least includes the aforesaid outdoor intelligence of taking isolation function seals utmost point post admittedly.

The scheme provided by the application has the following beneficial effects:

1. the vacuum arc-extinguishing chamber 22 and the disconnector 30 are integrated in the same insulating housing 10, and have the functions of a circuit breaker and a disconnector, and the structure is compact.

2. A sensor cavity 102 is further formed in the insulating housing 10, and is used for assembling a sensor, so that parameters of the conductive circuit can be sensed in real time, and the pole-mounted switch has an intelligent switch function.

3. The upper chamber 1031 of the isolation switch cavity 103 is provided with a transparent observation window 131, so that the on/off condition of the isolation switch 30 can be visually confirmed, and the field maintenance and overhaul are facilitated.

In conclusion, the multifunctional integration of miniaturization, intellectualization, visual isolation switch and full solid-sealed insulation of the charged body of the pole-mounted switch is realized.

Specifically, the insulating housing 10 further fixedly seals a current sensor coil 26, and the current sensor coil 26 is sleeved outside the primary incoming line contact arm 21 and used for sensing incoming line current.

Further, the insulating housing 10 includes a main housing 11, a silicone housing 12 and a transparent cover 13, the main housing 11 is formed by injection molding of thermoplastic engineering plastic, in this embodiment, by casting epoxy resin APG or injection molding of thermoplastic engineering plastic. The main housing 11 fixedly seals the primary incoming line contact arm 21, the vacuum arc-extinguishing chamber 22, the isolation upper contact arm 23, the isolation lower contact arm 24 and the primary outgoing line contact arm 25; the transparent cover 13 is assembled between the isolated upper contact arm 23 and the isolated lower contact arm 24, and thus, the transparent cover 13 is the transparent viewing window 131. Silica gel shell 12 covers in main casing body 11's surface, and silica gel shell 12 plays further outdoor protection and insulating effect, more is applicable to the open air.

More specifically, the transparent observation window 131 is made of tempered explosion-proof glass, that is, the transparent cover 13 is made of tempered explosion-proof glass; the structure is stable. Of course, in other embodiments, the transparent viewing window 131 may be replaced by other transparent and firm materials; such as transparent organic engineering plastic materials.

The isolating switch 30 comprises an isolating contact arm 31, an insulating guide 32 and an isolating insulating pull rod 33, wherein the isolating contact arm 31 is slidably assembled on the isolating lower contact arm 24, the insulating guide 32 is connected to the lower end of the isolating contact arm 31, and the isolating insulating pull rod 33 is connected to the insulating guide 32; the isolation contact arm 31 is driven to slide up and down by pulling the isolation insulation pull rod 33, and when the isolation contact arm 31 moves up to be connected with the isolation upper contact arm 23 and the isolation lower contact arm 24 at the same time, the isolation switch 30 is in a closed state, namely a working state; when the isolation contact arm 31 moves down to separate from the isolation upper contact arm 23, the isolation switch 30 is in an off state, i.e., an isolation state.

More specifically, in order to make the isolation contact arm 31 better electrically contact with the isolation upper contact arm 23 and the isolation lower contact arm 24, in this embodiment, the isolation upper contact arm 23 and the isolation lower contact arm 24 are both provided with a conductive spring contact finger 29, and are electrically contacted with the isolation contact arm 31 through the conductive spring contact finger 29.

More specifically, in the present embodiment, the insulation guide 32 has an insulation cover 321 extending downward, and the insulation cover 321 plays a good role in isolating an arc and can also effectively prevent a large amount of external air or dust from flowing into the upper chamber 1031. The shape of the insulating cover 321 is matched with that of the lower chamber 1032, so that the insulating cover 321 and the lower chamber 1032 can also play a role in guiding and matching, and the isolating contact arm 31 is ensured not to be eccentric or displaced when moving up and down rapidly.

Still be equipped with inlet wire side voltage sensor 41 in the circuit breaker cavity 101, inlet wire side voltage sensor 41 touches arm 21 electrical contact with once the inlet wire, and this inlet wire side voltage sensor 41's setting is used for gathering the power energy and the voltage information of inlet wire side, and follow-up output is to control system for control system control and judgement.

The sensor cavity 102 is located between the breaker cavity 101 and the isolating switch cavity 103, and thus the distance between the vacuum arc extinguish chamber 22 and the isolating switch 30 is increased as much as possible, the insulating effect is better, and meanwhile, the subsequent assembly connection with an operating mechanism is facilitated.

The sensor assembled in the sensor cavity 102 is an outlet side voltage sensor 42, and the outlet side voltage sensor 42 is electrically contacted with the isolation lower contact arm 24; the outlet side voltage sensor 42 is configured to collect power source energy and voltage information at the outlet side, and subsequently output the power source energy and voltage information to the control system for monitoring and judgment by the control system.

In this embodiment, the incoming line side voltage sensor 41 and the outgoing line side voltage sensor 42 are both electronic voltage sensors combining a high-voltage thick-film resistor and a capacitor.

Example two

This embodiment provides an outdoor intelligent solid utmost point post that seals who takes isolation function, its structure is roughly the same with the structure of embodiment one, and the difference lies in: as shown in fig. 6, in this embodiment, the sensor assembled in the sensor cavity 102 is an incoming line electricity-taking sensor 43, and the incoming line electricity-taking sensor 43 is electrically contacted with the primary incoming line contact arm 21; specifically, the incoming line electricity sensor 43 sequentially passes through the conductive block 51, the high-voltage lead 52 and the flexible connection 27 to achieve electrical contact with the primary incoming line contact arm 21. That is, the incoming line electricity-taking sensor 43 is connected with the conductive block 51, the conductive block 51 is connected with the high-voltage lead 52, the high-voltage lead 52 is connected with the flexible connection 27, and the flexible connection 27 is connected with the primary incoming line contact arm 21.

The incoming line electricity-taking sensor 43 is used for providing electric power energy for operation and data transmission of a control terminal of the switch device, is an electricity-taking sensor for voltage division of a high-voltage ceramic capacitor and comprises a voltage division device and a transformer module.

Of course, in other embodiments, the sensor mounted in the sensor cavity 102 may be replaced by other different types of sensors to achieve the corresponding functions.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides an outdoor intelligent solid utmost point post that seals of isolation function of taking which characterized in that: the device comprises an insulating shell, and a primary incoming line contact arm, a vacuum arc-extinguishing chamber, an isolation upper contact arm, an isolation lower contact arm and a primary outgoing line contact arm which are fixedly sealed on the insulating shell; the insulation shell is also provided with a breaker cavity, a sensor cavity and an isolating switch cavity, a breaker insulation pull rod connected with the moving end of the vacuum arc-extinguishing chamber is assembled in the breaker cavity, the primary incoming line contact arm is in electric contact with the moving end of the vacuum arc-extinguishing chamber through flexible connection, the static end of the vacuum arc-extinguishing chamber is in electric contact with the isolating upper contact arm, and a sensor is arranged in the sensor cavity; the isolating switch cavity is assembled with an isolating switch, and the isolating switch cavity is provided with an upper cavity positioned between an isolating upper contact arm and an isolating lower contact arm and a lower cavity positioned below the isolating lower contact arm; the upper chamber has a transparent viewing window.

2. The outdoor intelligent solid-sealed polar pole with the isolation function according to claim 1, characterized in that: the insulating shell comprises a main shell, a silica gel shell and a transparent cover, and the main shell fixedly seals the primary incoming line contact arm, the vacuum arc-extinguishing chamber, the isolation upper contact arm, the isolation lower contact arm and the primary outgoing line contact arm; the transparent cover is assembled between the isolation upper contact arm and the isolation lower contact arm, and the silica gel shell covers the outer surface of the main shell.

3. The outdoor intelligent solid-sealed polar pole with the isolation function according to claim 1 or 2, which is characterized in that: the transparent observation window is made of tempered explosion-proof glass or transparent organic engineering plastic.

4. The outdoor intelligent solid-sealed polar pole with the isolation function according to claim 1, characterized in that: the isolating switch comprises an isolating contact arm, an insulating guide part and an isolating insulating pull rod, wherein the isolating contact arm can be assembled on the isolating lower contact arm in a sliding mode, the insulating guide part is connected to the lower end of the isolating contact arm, and the isolating insulating pull rod is connected to the insulating guide part.

5. The outdoor intelligent embedded pole with the isolation function according to claim 4, which is characterized in that: the insulating guide part is provided with an insulating cover extending downwards, and the shape of the insulating cover is matched with that of the lower chamber.

6. The outdoor intelligent embedded pole with the isolation function according to claim 4, which is characterized in that: and the isolation upper contact arm and the isolation lower contact arm are both provided with conductive spring contact fingers, and the conductive spring contact fingers are in electric contact with the isolation contact arms.

7. The outdoor intelligent embedded pole with the isolation function according to claim 1, which is characterized in that: the sensor cavity is located between the breaker cavity and the isolation switch cavity.

8. The outdoor intelligent embedded pole with the isolation function according to claim 1, which is characterized in that: still be equipped with inlet wire side voltage sensor in the circuit breaker cavity, inlet wire side voltage sensor contacts the arm electrical contact with once getting into the line.

9. The outdoor intelligent embedded pole with the isolation function according to claim 1, 7 or 8, which is characterized in that: the sensor assembled in the sensor cavity is a wire outlet side voltage sensor, and the wire outlet side voltage sensor is in electric contact with the isolation lower contact arm; or the sensor assembled in the sensor cavity is an incoming line electricity-taking sensor, and the incoming line electricity-taking sensor is in electric contact with the primary incoming line contact arm.

10. An outdoor intelligent pole-mounted switch, which is characterized in that: the intelligent embedded pole at least comprises the outdoor isolated pole with the isolation function as claimed in any one of claims 1 to 9.

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