CN220604564U

CN220604564U - Circuit breaker on degree of depth fuses post

Info

Publication number: CN220604564U
Application number: CN202322331382.3U
Authority: CN
Inventors: 唐泰航; 叶钦赐
Original assignee: Xiamen Yesheng Electric Co ltd
Current assignee: Xiamen Yesheng Electric Co ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-03-15
Anticipated expiration: 2033-08-29

Abstract

The utility model provides a depth fusion pole-mounted circuit breaker which comprises an inner shell, and a pole and a current transformer which are all arranged in the inner shell, wherein the pole comprises a wire inlet terminal and a wire outlet terminal, the wire inlet terminal is connected with a wire inlet wire, the current transformer is sleeved outside the wire outlet terminal, the wire outlet terminal is connected with a wire outlet wire, at least three sensor placing grooves are formed in the bottom of the inner shell inwards, a conductive sleeve connected with the wire inlet wire or the wire outlet wire is fixed in each sensor placing groove, and the conductive sleeve is used for being connected with a sensor which is detachably fixed in the sensor placing groove. The depth fusion column circuit breaker is ingenious and compact in design, and various sensors and the column circuit breaker can be integrally arranged.

Description

Circuit breaker on degree of depth fuses post

Technical Field

The utility model relates to the technical field of power equipment, in particular to a deep fusion on-column circuit breaker.

Background

With the rapid development of economy and the continuous increase of power supply quantity in China, especially the dependence of various customers on power is increasingly enhanced, in order to improve the power supply reliability of a power grid, a pole-mounted circuit breaker is often used on connection, segmentation and branch lines in the power grid so as to improve the power supply reliability of the power grid, and the pole-mounted circuit breaker is a circuit breaker mounted and operated on an electric pole. The strength research level and manufacturing technology of various circuit breakers are greatly developed, and vacuum circuit breakers are not limited to medium voltage power grids, but are developed towards high voltage and large capacity.

The existing pole-mounted circuit breaker often needs to be matched with sensors such as a current transformer and a voltage sensor to realize monitoring and acquisition of current and voltage signals or supply of energy supply and electricity taking of a secondary control device, but because the sensors adopt an externally hung or split structure outside the circuit breaker, on one hand, the pole-mounted circuit breaker is large in volume and weight, and meanwhile, the sensors are easily interfered by external environments outside, so that the accuracy requirements of the sensors are affected.

In view of the above, the applicant provides a deep fusion on-column circuit breaker which has ingenious structural design and can integrate various sensors with the on-column circuit breaker.

Disclosure of Invention

The utility model aims to provide a deep fusion column circuit breaker which is ingenious in structural design and can integrate various sensors with the column circuit breaker.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a circuit breaker on degree of depth integration post, includes the inner shell with all set up in inside utmost point post and the current transformer of inner shell, the utmost point post includes inlet wire terminal and outlet wire terminal, be connected with the inlet wire electric wire on the inlet wire terminal, the current transformer cover is located the outlet wire outside, be connected with the outlet wire on the outlet wire terminal, at least three sensor standing groove has been seted up inwards to the inner shell bottom, every all be fixed with in the sensor standing groove with the electrically conductive cover that inlet wire electric wire or outlet wire are connected, electrically conductive cover is used for with can dismantle be fixed in sensor in the sensor standing groove is connected.

As a further improvement, the number of the sensor placing grooves is four, and the four sensor placing grooves are arranged in a square shape.

As a further improvement, the number of the incoming wires is two, and the number of the outgoing wires is two.

As a further improvement, the sensor is a voltage sensor or a capacitive pick-up sensor.

As a further improvement, the device further comprises a silica gel shell.

As a further improvement, the inner shell is integrally cast and formed, and the inner shell is made of resin.

As a further improvement, the outgoing line terminal comprises a copper bar and a conductive plate, and the outgoing line wire is connected with the conductive plate.

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

1. according to the utility model, the current transformer is integrally cast and formed into the pole according to the requirements of national network companies, and the structure that the plurality of sensor placement grooves are formed in the inner shell is combined, so that the voltage sensor or the high-voltage capacitive pick-up sensor can be effectively and detachably fixed in the sensor placement grooves, the whole product is small in size and light in weight, meanwhile, the sensor is fused into the pole, the interference of the external environment can be effectively reduced, the accuracy requirement of the sensor is ensured, the detachable design of the sensor can meet the matching and selection of different specifications of different customers on different use scenes, and the coverage of the customers and the product applicability are effectively improved.

2. The depth fusion pole-mounted circuit breaker integrally fuses the voltage sensor and the high-voltage capacitance electricity-taking sensor into the pole by the embedded current transformer and the sensor placing groove, so as to realize the collection of voltage and current signals and the electricity supply and electricity taking requirements of secondary control devices (such as feeder terminal devices like a distribution switch monitoring terminal).

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a deep fusion on-column circuit breaker according to the present utility model;

FIG. 2 is a schematic diagram of an explosion structure of a deep fusion on-column circuit breaker according to the present utility model;

fig. 3 is a schematic structural view showing the bottom in a depth fusion on-pole circuit breaker according to the present utility model.

Description of the main reference signs

10. An inner case; 11. a sensor placement groove; 20. a pole; 21. a wire inlet terminal; 22. a wire outlet terminal; 221. a copper bar; 222. a conductive plate; 30. a current transformer; 40. a wire inlet wire; 50. outgoing line wires; 60. a conductive sleeve; 70. a silica gel housing; 80. insulating pull rod hole.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, a deep fusion on-column circuit breaker includes an inner shell 10 and a pole 20 and a current transformer 30 both disposed in the inner shell 10, the pole 20 includes a wire inlet terminal 21 and a wire outlet terminal 22, a wire inlet wire 40 is connected to the wire inlet terminal 21, the current transformer 30 is sleeved outside the wire outlet terminal 22, a wire outlet wire 50 is connected to the wire outlet terminal 22, at least three sensor placement grooves 11 are inwardly opened in the bottom of the inner shell 10, a conductive sleeve 60 connected with the wire inlet wire 40 or the wire outlet wire 50 is fixed in each sensor placement groove 11, the conductive sleeve 60 is a brass insert, and is embedded in the inner shell 10 and exposed out of a connecting portion for sensor connection, and the conductive sleeve 60 is used for being connected with a sensor detachably fixed in the sensor placement groove 11.

The integrated structure of integrating the current transformer 30 into the pole 20 according to the requirements of national network companies is adopted, the structure of arranging a plurality of sensor placing grooves 11 on the inner shell 10 is combined, a voltage sensor or a high-voltage capacitance electricity taking sensor can be effectively and detachably fixed in the sensor placing grooves 11, the integrated structure is small in size and light in weight, meanwhile, the integrated structure integrates the sensor into the pole 20, the interference of external environment can be effectively reduced, the precision requirement of the sensor is ensured, the detachable design of the sensor can meet the matching and selection of different specifications of different customers on different use scenes, and the coverage of the customers and the product applicability are effectively improved.

Referring to fig. 2, the number of the sensor slots 11 is four, and the four sensor slots 11 are arranged in a square shape. The number of the sensor placing grooves 11 is four, so that the requirement of a user on voltage signal acquisition of one inlet and two outlets or two inlets and one outlet can be met, and the operation such as subsequent operation, maintenance, replacement and the like of a customer can be facilitated. Specifically, the voltage sensor can measure zero sequence and phase sequence, and the electricity taking sensor can take electricity; because the electricity taking sensor is arranged on the incoming line side, the incoming line side is electrified all the time because electric energy is obtained from a power grid; the voltage sensors are required to be respectively arranged at the wire inlet end and the wire outlet end; the difference between one-in and two-out or two-in and one-out is that the incoming line side is at the bottom above or below the pole, and most newly inserted telegraph poles normally take the upper part as the incoming line side because the power grid is above the telegraph poles; however, in the case of expansion or modification, the incoming line side can only be placed below the pole for convenience.

Further, the number of the incoming wires 40 is two, and the number of the outgoing wires 50 is two, so that the sensor can be mounted at any three positions by matching with the sensor placement groove 11, and the power consumption requirement of the sensor can be met.

Furthermore, the sensor is a voltage sensor or a capacitance pickup sensor, the voltage sensor and the high-voltage capacitance pickup sensor are fused into the pole 20 through the embedded current transformer 30 and the sensor placement groove 11, so as to realize the collection of voltage and current signals and the power supply and power taking requirements of secondary control devices (such as feeder terminal devices like a distribution switch monitoring terminal),

referring to fig. 2, the circuit breaker further includes a silicone housing 70. The inner shell 10 is integrally cast, and the inner shell 10 is made of resin. The design of the liquid silica gel shell 70 is integrally cast by adopting the indoor epoxy resin, so that the cost can be greatly saved, and meanwhile, the damage caused by collision in the outdoor telegraph pole installation operation process can be avoided.

Referring to fig. 2 and 3, the outgoing line terminal 22 includes a copper bar 221 and a conductive plate 222, the outgoing line wire 50 is connected with the conductive plate 222, the connection requirement of the outgoing line wire 50 is achieved through the conductive plate 222, and a protective shell made of aluminum is further disposed outside the conductive plate 222, wherein other parts of the pole 20 can be further installed and protected in the protective shell.

Further, an insulating rod hole 80 is further formed below the inner housing 10, and the insulating rod hole 80 is disposed in the middle of the four sensor placement grooves 11 and is used for setting a rod, and the rod is used for tightening and fixing each portion of the pole 20 with the conductive plate 222.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a degree of depth fuses circuit breaker on post which characterized in that: including inner shell (10) with all set up in inside utmost point post (20) and current transformer (30) of inner shell (10), utmost point post (20) are including inlet wire terminal (21) and outlet wire terminal (22), be connected with inlet wire electric wire (40) on inlet wire terminal (21), current transformer (30) cover are located outlet wire terminal (22) outside, be connected with outlet wire electric wire (50) on outlet wire terminal (22), at least three sensor standing groove (11) have been seted up inwards to inner shell (10) bottom, every all be fixed with in sensor standing groove (11) with inlet wire electric wire (40) or conducting sleeve (60) that outlet wire electric wire (50) are connected, conducting sleeve (60) are used for with can dismantle be fixed in sensor standing groove (11) is connected.

2. The depth fusion on-pole circuit breaker of claim 1, wherein: the number of the sensor placing grooves (11) is four, and the four sensor placing grooves (11) are arranged in a square shape.

3. The depth fusion on-pole circuit breaker of claim 2, wherein: the number of the incoming wires (40) is two, and the number of the outgoing wires (50) is two.

4. The depth fusion on-pole circuit breaker of claim 1, wherein: the sensor is a voltage sensor or a capacitance electricity taking sensor.

5. The depth fusion on-pole circuit breaker of claim 1, wherein: further comprises a silica gel housing (70).

6. The depth fusion on-pole circuit breaker of claim 1, wherein: the inner shell (10) is integrally cast, and the inner shell (10) is made of resin.

7. The depth fusion on-pole circuit breaker of claim 1, wherein: the outgoing line terminal (22) comprises a copper bar (221) and a conductive plate (222), and the outgoing line wire (50) is connected with the conductive plate (222).