CN212008732U - Embedded voltage sensor convenient to change - Google Patents

Abstract

The utility model discloses an embedded voltage sensor convenient to change, including distribution equipment main conductive loop insulating part, voltage sensor and chucking mechanism, distribution equipment main conductive loop insulating part one side is inside to be equipped with voltage sensor, the voltage sensor top is equipped with chucking mechanism, the chucking groove has been seted up on the voltage sensor outer wall, the inside fixed mounting of voltage sensor tail end has the voltage divider low-voltage end, voltage divider low-voltage end one side is equipped with the binding nut, the inside fixed mounting in voltage sensor top has the voltage divider high-voltage end, the voltage sensor outside is covered with the housing, the voltage sensor middle part is equipped with arc portion, beneficial effect: through being provided with chucking mechanism in voltage sensor top, when voltage sensor inserted main conductive loop insulating part of distribution equipment inside, chucking mechanism can use through the cooperation in chucking post and chucking groove and carry out chucking work to this voltage sensor, conveniently carries out embedded installation, conveniently dismantles and changes simultaneously, and performance is good.

Description

Embedded voltage sensor convenient to change

Technical Field

The utility model relates to a voltage sensor technical field specifically is an embedded voltage sensor convenient to change.

Background

Along with the rapid development of intelligent distribution networking construction, the requirement on the intellectualization of distribution switchgear is higher and higher, the application amount of the distribution switchgear is increased year by year, the total amount of the distribution switchgear operating in the whole network exceeds 300 ten thousand, accurate voltage measurement is an important basis for realizing the intellectualization of the distribution switchgear, the application amount is extremely large, the traditional voltage measurement mode is realized by an electromagnetic voltage sensor connected in parallel in a high-voltage main loop, the voltage sensor has the defects of large volume, high cost, difficult replacement and the like, particularly ferromagnetic resonance is generated, electric power accidents are induced, electric power equipment is burnt, the operation safety of a power grid is endangered, in recent years, along with the development of voltage sensor technology, an electronic voltage sensor with capacitance voltage division, resistance voltage division and resistance-capacitance voltage division is also developed, but the problem of difficult replacement still occurs when the existing voltage sensor is used, the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an embedded voltage sensor convenient to change to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an embedded voltage sensor convenient to change, includes distribution equipment main conductive loop insulation, voltage sensor and chucking mechanism, distribution equipment main conductive loop insulation one side is inside to be equipped with voltage sensor, the voltage sensor top is equipped with chucking mechanism, the chucking groove has been seted up on the voltage sensor outer wall, the inside fixed mounting of voltage sensor tail end has the voltage divider low-voltage end, and voltage divider low-voltage end one side is equipped with terminal nut, the inside fixed mounting in voltage sensor top has the voltage divider high-voltage end, the voltage sensor outside is covered with the housing, the voltage sensor middle part is equipped with arc portion.

Preferably, a voltage divider ground wire is fixedly installed on one side of the low-voltage end of the voltage divider, and the top of the high-voltage end of the voltage divider is designed to be a cylindrical structure.

Preferably, the clamping mechanism comprises a handle, the handle is fixedly provided with a shaft post, the shaft post is inserted into a connecting plate fixedly connected in a main conductive loop insulating part of the power distribution equipment, clamping springs are fixedly arranged on two sides of the upper surface of the connecting plate, and the top ends of the clamping springs are fixedly connected with the inner wall of the main conductive loop insulating part of the power distribution equipment.

Preferably, the lower surface of the connecting plate is fixedly provided with a connecting column, a clamping column is fixedly arranged below the connecting column, and the bottom end of the clamping column is designed to be of an arc-shaped structure.

Preferably, the low voltage end of the voltage divider and the high voltage end of the voltage divider are high voltage dividers, and the output of the high voltage divider is a voltage of not more than 50mV or a current of not more than 30 mA.

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

1. through being provided with chucking mechanism in voltage sensor top, when voltage sensor inserted main conductive loop insulating part of distribution equipment inside, chucking mechanism can use through the cooperation in chucking post and chucking groove and carry out chucking work to this voltage sensor, conveniently carries out embedded installation, conveniently dismantles and changes simultaneously, and performance is good.

2. The utility model discloses further reduce voltage sensor's volume, optimized distribution switchgear electric field, reduced the operation maintenance cost, improved operation maintenance efficiency, equipment operation security and reliability.

3. Through the cooperation use between each structure of voltage sensor inside to can combine with outside distribution equipment owner conducting loop, reach the purpose to voltage real time monitoring, have better performance.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the area A of the present invention;

fig. 3 is a schematic structural view of the chucking mechanism of the present invention.

In the figure: 1. the main conductive loop insulator of the power distribution equipment; 2. a voltage sensor; 3. a chucking mechanism; 31. a handle; 32. a connector tile; 33. a chucking spring; 34. connecting columns; 35. clamping the column; 4. a clamping groove; 5. a voltage divider low voltage terminal; 6. a wiring nut; 7. a voltage divider high voltage terminal; 8. a shielding sleeve; 9. a voltage divider ground; 10. an arc-shaped portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an embedded voltage sensor convenient to change, including distribution equipment main conductive loop insulating part 1, voltage sensor 2 and chucking mechanism 3, distribution equipment main conductive loop insulating part 1 one side is inside to be equipped with voltage sensor 2, voltage sensor 2 top is equipped with chucking mechanism 3, chucking groove 4 has been seted up on the voltage sensor 2 outer wall, the inside fixed mounting of 2 tail ends of voltage sensor has voltage divider low-voltage end 5, voltage divider low-voltage end 5 one side is equipped with binding nut 6, the inside fixed mounting in 2 tops of voltage sensor has voltage divider high-voltage end 7, voltage sensor 2 outside is covered with housing 8, housing 8 through setting up can shield external signal magnetic field, thereby reduce voltage sensor 2's error, reach accurate measuring purpose, voltage sensor 2 middle parts are equipped with arc portion 10.

In this embodiment, voltage divider ground wire 9 is fixedly installed on one side of voltage divider low-voltage end 5, and the top of voltage divider high-voltage end 7 is the design of cylindrical structure to can be better agree with distribution equipment owner's conductive loop, improve performance.

In this embodiment, the clamping mechanism 3 includes a handle 31, a shaft post is fixedly mounted on the handle 31, the shaft post is inserted into the power distribution equipment main conductive loop insulating part 1 and is fixedly connected with a connecting plate 32, clamping springs 33 are fixedly mounted on two sides of the upper surface of the connecting plate 32, and the top ends of the clamping springs 33 are fixedly connected with the inner wall of the power distribution equipment main conductive loop insulating part 1.

In this embodiment, a connection column 34 is fixedly installed on the lower surface of the connection plate 32, a fastening column 35 is fixedly installed below the connection column 34, and the bottom end of the fastening column 35 is designed to be a circular arc structure.

In this embodiment, the low voltage side 5 and the high voltage side 7 of the voltage divider are high voltage dividers, and the high voltage divider outputs a voltage of no more than 50mV or a current of no more than 30 mA.

When the voltage sensor 2 is used, the voltage sensor 2 can be inserted into the main conductive loop insulating part 1 of the distribution equipment, when the voltage sensor 2 is inserted, the top end of the voltage sensor can abut against the clamping mechanism 3 above the voltage sensor 2 through the arc-shaped part 10, the structural design of the arc-shaped part 10 can enable the voltage sensor 2 to be smoother in the embedding process, a using mandrel is added, the clamping spring 33 of the clamping mechanism 3 can be compressed in the continuous embedding process of the arc-shaped part 10, after the voltage sensor 2 is completely embedded into the main conductive loop insulating part 1 of the distribution equipment, the clamping column 35 of the clamping mechanism 3 can be inserted into the clamping groove 4 outside the voltage sensor 2, so that the fixing and limiting work of the voltage sensor 2 is completed, the structural stability is improved, when the voltage sensor 2 needs to be replaced, the clamping column 35 can be pulled through the handle 31, so that the clamping column 35 can be completely clamped out of the clamping groove 4, can take out voltage sensor 2 this moment, the sensor of the same type is gone up in the change, thereby accomplish voltage sensor 2's change work, this kind of structural design's embedded voltage sensor, when in-service use, can be extremely convenient completion sensor's change work, reduce the maintenance cost, shielding cover 8 through setting up can shield external signal magnetic field simultaneously, thereby reduce voltage sensor 2's measuring error, through be provided with voltage divider low-voltage terminal 5 in voltage sensor 2 inside, binding nut 6, voltage divider high-voltage terminal 7 and voltage divider ground wire 9, can carry out corresponding wiring work when in-service use, thereby guarantee this voltage sensor 2's normal use and data transmission.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 (5)

1. An embedded voltage sensor convenient to replace is characterized by comprising a main conductive loop insulating part (1) of distribution equipment, a voltage sensor (2) and a clamping mechanism (3), a voltage sensor (2) is arranged inside one side of the insulating part (1) of the main conductive loop of the power distribution equipment, a clamping mechanism (3) is arranged above the voltage sensor (2), a clamping groove (4) is arranged on the outer wall of the voltage sensor (2), a voltage divider low-voltage end (5) is fixedly arranged in the tail end of the voltage sensor (2), a wiring nut (6) is arranged on one side of the voltage divider low-voltage end (5), a voltage divider high-voltage end (7) is fixedly arranged in the top end of the voltage sensor (2), the voltage sensor (2) is externally covered with a shielding sleeve (8), and the middle part of the voltage sensor (2) is provided with an arc-shaped part (10).

2. The embedded voltage sensor of claim 1, wherein: the voltage divider is characterized in that a voltage divider ground wire (9) is fixedly mounted on one side of a low-voltage end (5) of the voltage divider, and the top of a high-voltage end (7) of the voltage divider is designed into a cylindrical structure.

3. The embedded voltage sensor of claim 1, wherein: chucking mechanism (3) include handle (31), handle (31) fixed mounting has the jack-post, and the jack-post inserts distribution equipment owner conducting circuit insulating part (1) internal fixedly connected with linkage plate (32), the equal fixed mounting in linkage plate (32) upper surface both sides has chucking spring (33), chucking spring (33) top and distribution equipment owner conducting circuit insulating part (1) inner wall fixed connection.

4. A replacement-ready embedded voltage sensor according to claim 3, wherein: the lower surface of the connecting plate (32) is fixedly provided with a connecting column (34), a clamping column (35) is fixedly arranged below the connecting column (34), and the bottom end of the clamping column (35) is designed into an arc structure.

5. An easy-to-replace embedded voltage sensor according to claim 1, wherein the low voltage divider end (5) and the high voltage divider end (7) are high voltage dividers, and the high voltage divider output is no more than 50mV voltage or no more than 30mA current.

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