CN209860443U

CN209860443U - Equipment for measuring voltage and current

Info

Publication number: CN209860443U
Application number: CN201920946226.9U
Authority: CN
Inventors: 徐奇梁; 何光宇; 谭炳麟; 李川江
Original assignee: Energy-Conservation Science And Technology Ltd Is Passed Through In Shanghai Thousand
Current assignee: Energy-Conservation Science And Technology Ltd Is Passed Through In Shanghai Thousand
Priority date: 2019-06-23
Filing date: 2019-06-23
Publication date: 2019-12-27
Anticipated expiration: 2029-06-23

Abstract

The utility model discloses an equipment of measurement voltage and electric current includes cubical switchboard, calculation current transformer, calculation voltage transformer and vibration damping mount at least, the inside of cubical switchboard is provided with the generating line room, be provided with the main female row of level in the generating line room, the main female one end of arranging of level is connected with calculation current transformer, the main female other end of arranging of level is connected with calculation voltage transformer, the below of cubical switchboard is provided with vibration damping mount, the utility model discloses the novelty through having set up vibration damping mount in the below of cubical switchboard, change down in the effect of vibration damping mount internal fixation board, first damping spring, bottom suspension shoe, blotter, last supporting block and fixed block, form fore-and-aft multistage shock attenuation to the effectual shock-absorbing capacity who promotes the cubical switchboard has strengthened the utility model discloses a security.

Description

Equipment for measuring voltage and current

Technical Field

The utility model relates to a technical field of voltage electric current measurement specifically is an equipment of measurement voltage and electric current.

Background

In the current electric power system, most of the power distribution systems are provided with a special metering switch cabinet for metering current and voltage, and a metering Current Transformer (CT) and a voltage transformer (PT) are installed in the metering switch cabinet.

For example, patent document No. CN206116873U discloses a metering transformer mounting structure of a metal armored movable high-voltage switch cabinet, which includes a metering current transformer and a metering voltage transformer, wherein the metering current transformer is mounted in a bus chamber of the high-voltage switch cabinet, and the metering current transformer is connected with a horizontal main bus bar in the bus chamber; the metering voltage transformer is arranged in a rear lower chamber of the high-voltage switch cabinet and is connected with the horizontal main bus bar; therefore, the use of the main busbar is greatly reduced, and the cost is effectively reduced. However, the switch cabinet is not provided with a damping device, and the internal parts are easily damaged under the condition of external vibration, so that the safety of the switch cabinet is reduced.

Disclosure of Invention

An object of the utility model is to provide an equipment of measurement voltage and electric current 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:

a device for measuring voltage and current at least comprises a switch cabinet, a calculating current transformer, a calculating voltage transformer and a damping base, wherein a bus chamber is arranged in the switch cabinet, a horizontal main bus is arranged in the bus chamber, one end of the horizontal main bus is connected with the calculating current transformer, the other end of the horizontal main bus is connected with the calculating voltage transformer, and the damping base is arranged below the switch cabinet; wherein:

damping base includes fixed plate, backup pad at least, holds chamber, first damping spring, supporting shoe and fixed block, the border of fixed plate upwards extends the backup pad, backup pad and fixed plate enclose into and hold the chamber, the bottom that holds the chamber is fixed with first damping spring, first damping spring's one end is fixed with the supporting shoe, the supporting shoe is at least including the bottom sprag and the last supporting shoe of mutually supporting, the pad is equipped with the blotter between bottom sprag and the last supporting shoe, the top of going up the supporting shoe is provided with the fixed block.

As a further aspect of the present invention: and a second damping spring is fixed between the supporting plate and the supporting block.

As a further aspect of the present invention: and rubber damping blocks are arranged on two sides of the first damping spring.

As a further aspect of the present invention: the top of the lower supporting block protrudes upwards to form a convex surface, and the bottom of the upper supporting block is recessed downwards to form a concave surface matched with the convex surface.

As a further aspect of the present invention: the radian of the concave surface is 90-120 degrees.

As a further aspect of the present invention: the upper surface of the fixed block upwards extends to form a convex block, and the lower surface of the switch cabinet is provided with a groove matched with the convex block.

As a further aspect of the present invention: and an observation window is arranged on the outer side of the switch cabinet.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the novelty has set up vibration damping mount through the below at the cubical switchboard, changes under the effect of vibration damping mount internal fixation board, first damping spring, lower shoe, blotter, last supporting block and fixed block, forms fore-and-aft multistage shock attenuation to the effectual shock-absorbing capacity who promotes the cubical switchboard has strengthened the utility model discloses a security.

Drawings

Fig. 1 is a schematic front view of an apparatus for measuring voltage and current.

Fig. 2 is a schematic view of the structure of the middle switch cabinet of the present invention.

Figure 3 is the utility model discloses well vibration damping mount's overall structure sketch map.

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 to 3, in an embodiment of the present invention, an apparatus for measuring voltage and current at least includes a switch cabinet 1, a calculation current transformer 2, a calculation voltage transformer 3, and a vibration damping mount 4, a bus chamber 11 is disposed inside the switch cabinet 1, a horizontal main bus bar 12 is disposed in the bus chamber 11, one end of the horizontal main bus bar 12 is connected to the calculation current transformer 2, the other end of the horizontal main bus bar 12 is connected to the calculation voltage transformer 3, and the vibration damping mount 4 is disposed below the switch cabinet 1; wherein:

the damping base 4 at least comprises a fixing plate 41, a supporting plate 42, an accommodating cavity 43, a first damping spring 44, a supporting block 45 and a fixing block 46, the supporting plate 42 extends upwards from the edge of the fixing plate 41, the accommodating cavity 43 is defined by the supporting plate 42 and the fixing plate 41, the bottom of the accommodating cavity 43 is fixed with the first damping spring 44, two sides of the first damping spring 44 are respectively provided with a rubber damping block 48 for enhancing the longitudinal damping capacity, one end of the first damping spring 44 is fixed with the supporting block 45, the supporting block 45 at least comprises a lower supporting block 451 and an upper supporting block 452, the top of the lower supporting block 451 is protruded upwards to form a convex surface, the radian of the concave surface is 90-120 degrees, preferably, the radian of the concave surface in the embodiment is 105 degrees, the bottom of the upper supporting block 452 is recessed to form a concave surface matched with the convex surface, and a cushion 453 is arranged between the lower supporting block 451, a fixed block 46 is arranged above the upper supporting block 452, and a second damping spring 47 for enhancing the damping capacity of the damping base 4 in the horizontal direction is fixed between the supporting plate 42 and the supporting block 45.

In order to fix the damping base 4 and the switch cabinet 1 more firmly, the upper surface of the fixing block 46 extends upwards to form a projection 461, the lower surface of the switch cabinet 1 is provided with a groove 13 matched with the projection 461, and the outer side of the switch cabinet 1 is provided with an observation window 14 convenient for observing the internal condition of the switch cabinet 1.

To sum up, the utility model discloses innovativeness has set up vibration damping mount 4 through the below at cubical switchboard 1, under vibration damping mount 4 internal fixation board 41, first damping spring 44, bottom suspension piece 451, blotter 453, last supporting block 452 and fixed block 46 effect, forms fore-and-aft multistage shock attenuation to effectual cubical switchboard 1's shock-absorbing capacity that has promoted has strengthened the utility model discloses a security.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An apparatus for metering voltage and current, characterized by: the intelligent monitoring system at least comprises a switch cabinet (1), a calculating current transformer (2), a calculating voltage transformer (3) and a damping base (4), wherein a bus chamber (11) is arranged inside the switch cabinet (1), a horizontal main bus bar (12) is arranged in the bus chamber (11), one end of the horizontal main bus bar (12) is connected with the calculating current transformer (2), the other end of the horizontal main bus bar (12) is connected with the calculating voltage transformer (3), and the damping base (4) is arranged below the switch cabinet (1); wherein:

damping base (4) include fixed plate (41), backup pad (42) at least, hold chamber (43), first damping spring (44), supporting shoe (45) and fixed block (46), the border of fixed plate (41) upwards extends backup pad (42), backup pad (42) and fixed plate (41) enclose into and hold chamber (43), the bottom that holds chamber (43) is fixed with first damping spring (44), the one end of first damping spring (44) is fixed with supporting shoe (45), supporting shoe (45) are at least including lower supporting shoe (451) and last supporting shoe (452) of mutually supporting, it is equipped with blotter (453) to fill up between lower supporting shoe (451) and last supporting shoe (452), the top of going up supporting shoe (452) is provided with fixed block (46).

2. An apparatus for metering voltage and current as defined in claim 1 wherein: and a second damping spring (47) is fixed between the supporting plate (42) and the supporting block (45).

3. An apparatus for metering voltage and current as defined in claim 1 wherein: rubber damping blocks (48) are arranged on two sides of the first damping spring (44).

4. An apparatus for metering voltage and current as defined in claim 1 wherein: the top of the lower supporting block (451) is protruded upwards to form a convex surface, and the bottom of the upper supporting block (452) is recessed downwards to form a concave surface matched with the convex surface.

5. An apparatus for metering voltage and current as claimed in claim 4 wherein: the radian of the concave surface is 90-120 degrees.

6. An apparatus for metering voltage and current as defined in claim 1 wherein: the upper surface of fixed block (46) upwards extends out lug (461), seted up on the lower surface of cubical switchboard (1) with lug (461) matched with recess (13).

7. An apparatus for metering voltage and current as defined in claim 6 wherein: an observation window (14) is arranged on the outer side of the switch cabinet (1).