CN216209314U

CN216209314U - Voltage harmonic measuring device of low-voltage power system

Info

Publication number: CN216209314U
Application number: CN202122553851.7U
Authority: CN
Inventors: 吴佳凌
Original assignee: Nanjing Maisui Information Technology Co ltd
Current assignee: Nanjing Maisui Information Technology Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-05
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to the technical field of power system measuring devices, in particular to a voltage harmonic measuring device for a low-voltage power system. It is mainly deposited jointly to current voltage harmonic measuring device display and connecting wire, comparatively in disorder, uses inconveniently, and the fixed inconvenient numerical value of observing that sets up of display uses the poor problem of convenience, proposes following technical scheme: including the equipment body, one side of equipment body is rotated and is provided with the upper cover, the mounting groove has been seted up at the top of equipment body, the display has been installed to the mounting groove internal rotation, the spout has been seted up at the back of display, it is provided with the slider to slide in the spout. The portable voltage measuring basket is novel in structure, the connecting wire and the display are separately arranged, the angle of the display is adjustable, the portable voltage measuring basket is suitable for different viewing angles, the use is more convenient, the position of the placing basket is stable, the portable voltage measuring basket is not easy to move and separate when being carried, and the portable voltage measuring basket is convenient to carry and is mainly applied to voltage measurement of a power system.

Description

Voltage harmonic measuring device of low-voltage power system

Technical Field

The utility model relates to the technical field of power system measuring devices, in particular to a voltage harmonic measuring device for a low-voltage power system.

Background

The power harmonic measuring instrument can measure the true effective value of voltage and current and its positive sequence, reverse sequence and zero sequence components. Harmonic voltage is generated when harmonic current flows through line impedance, the harmonic voltage is a main cause of misoperation of electronic equipment, and the problem that the electronic equipment is interfered is that the harmonic voltage distortion rate of the position where the electronic equipment is connected to a power grid is concerned, and the voltage distortion rate is generally required to be less than 5%, so that voltage harmonic is required to be measured. The display and the connecting wire of the conventional voltage harmonic measuring device are stored together, so that the conventional voltage harmonic measuring device is messy and inconvenient to use, and the display is fixed and inconvenient to observe numerical values, so that the use convenience is poor; in view of this, we propose a voltage harmonic measurement device for low-voltage power system.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a voltage harmonic measuring device of a low-voltage power system, aiming at the problems that the display and a connecting wire of the existing voltage harmonic measuring device in the background technology are stored together, are messy, inconvenient to use, inconvenient to observe numerical values due to the fixed arrangement of the display and poor in use convenience.

The technical scheme of the utility model is as follows: the utility model provides a low pressure electric power system voltage harmonic measuring device, includes the equipment body, one side of equipment body is rotated and is provided with the upper cover, the mounting groove has been seted up at the top of equipment body, the display is installed to the mounting groove internal rotation, the spout has been seted up at the back of display, it is provided with the slider to slide in the spout, the articulated bracing piece that is connected with of one end of slider, the other end of bracing piece articulates there is the connecting block, one side of connecting block is provided with the push rod motor, the holding tank has been seted up to one side of equipment body, be equipped with the storage box in the holding tank, one side of storage box is equipped with the gag lever post, the gag lever post runs through the equipment body, and the top of gag lever post is connected with the piece that draws.

Preferably, a plurality of heat dissipation holes are formed in the two side plate walls of the equipment body, and one side of the upper cover is connected with a protection pad.

Preferably, the bottom of mounting groove is seted up flutedly, and the bottom of push rod motor passes through bolted connection with the inner wall of recess, the connecting block is "T" style of calligraphy piece.

Preferably, a groove is formed in the equipment body, the pulling block is installed in a matched mode with the groove, and a first through hole is formed below the groove.

Preferably, a placing groove is formed below the first through hole, a spring is connected to the inner wall of the top of the placing groove, and the spring is sleeved on the outer ring of the limiting rod.

Preferably, the bottom of the storage tank is provided with a positioning groove, and the bottom of the limiting rod is installed in a matching manner with the positioning groove.

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

1. according to the utility model, through the arrangement of the push rod motor, the display angle of the display is adjusted by pushing or pulling, and when the push rod motor is started, the sliding block slides along the sliding groove at one end of the top of the supporting rod, so that the angle of the display is adjusted, the display is suitable for viewing at different angles, and the data acquisition is more convenient;

2. according to the utility model, the connecting wires are placed through the arrangement of the storage box, and the position of the storage box in the storage tank is limited through the arrangement of the limiting rod, so that the storage box is higher in placement stability, and the wire display is prevented from being placed together;

3. in conclusion, the portable basket is novel in structure, the connecting line and the display are separately arranged, the angle of the display can be adjusted, the portable basket is suitable for different viewing angles, the use is more convenient, the position of the placing basket is stable, the placing basket is not easy to move and separate when being carried, and the carrying is convenient.

Drawings

FIG. 1 is a front view of a low voltage power system voltage harmonic measurement apparatus;

FIG. 2 is a schematic front view of the apparatus body of FIG. 1;

fig. 3 is a schematic cross-sectional structure of the device body and the display in fig. 1.

Reference numerals: 1. an apparatus body; 2. an upper cover; 3. a protective pad; 4. mounting grooves; 5. a display; 6. a chute; 7. a slider; 8. a support bar; 9. connecting blocks; 10. a push rod motor; 11. a storage tank; 12. a storage box; 13. positioning a groove; 14. a limiting rod; 15. pulling the block; 16. a groove; 17. a spring.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-3, the voltage harmonic measurement device for a low-voltage power system provided by the utility model comprises an equipment body 1, wherein an upper cover 2 is rotatably arranged on one side of the equipment body 1, a plurality of heat dissipation holes are formed in two side wall plates of the equipment body 1, a protection pad 3 is connected to one side of the upper cover 2, an installation groove 4 is formed in the top of the equipment body 1, a display 5 is rotatably installed in the installation groove 4, a sliding groove 6 is formed in the back of the display 5, a sliding block 7 is slidably arranged in the sliding groove 6, the vertical cross sections of the sliding groove 6 and the sliding block 7 are in a T-shaped structure, one end of the sliding block 7 is hinged with a support rod 8, the other end of the support rod 8 is hinged with a connection block 9, a push rod motor 10 is arranged on one side of the connection block 9, a groove is formed in the bottom of the installation groove 4, the bottom of the push rod motor 10 is connected with the inner wall of the groove through a bolt, and the connection block 9 is a T-shaped block, storage tank 11 has been seted up to one side of equipment body 1, is equipped with storage box 12 in the storage tank 11, and one side of storage box 12 is equipped with gag lever post 14, and gag lever post 14 runs through equipment body 1, and the top of gag lever post 14 is connected with and draws piece 15.

In this embodiment, the setting of protection pad 3 protects display 5 when covering at upper cover 2 with the 1 upset of equipment body, avoid carrying the damage that causes display 5 on the way, when adjusting the use to display 5, start push rod motor 10, the output of push rod motor 10 stimulates connecting block 9, make the bracing piece 8 at connecting block 9 top take place to rotate, make the slider 7 of the 8 other ends of bracing piece slide along spout 6, make the one end of display 5 rotate along the inner wall of mounting groove 4, make the angle of display 5 obtain adjusting, adapt to different viewing angle, it is more convenient comfortable to use.

Example two

As shown in fig. 1-3, compared with the first embodiment, the voltage harmonic measurement device for a low-voltage power system provided by the present invention further includes an apparatus body 1, an upper cover 2 is rotatably disposed on one side of the apparatus body 1, a mounting groove 4 is disposed on the top of the apparatus body 1, a display 5 is rotatably mounted in the mounting groove 4, a sliding groove 6 is disposed on the back of the display 5, a sliding block 7 is slidably disposed in the sliding groove 6, a supporting rod 8 is hinged to one end of the sliding block 7, a connecting block 9 is hinged to the other end of the supporting rod 8, a push rod motor 10 is disposed on one side of the connecting block 9, a storage groove 11 is disposed on one side of the apparatus body 1, a storage box 12 is disposed in the storage groove 11, a limit rod 14 is disposed on one side of the storage box 12, the limit rod 14 penetrates through the apparatus body 1, a positioning groove 13 is disposed at the bottom of the storage groove 11, and the bottom of the limit rod 14 is fittingly mounted with the positioning groove 13, the setting of constant head tank 13 is used for prescribing a limit to the installation with the bottom position of gag lever post 14, and the top of gag lever post 14 is connected with draws piece 15, seted up recess 16 on the equipment body 1, draw piece 15 and recess 16 adaptation installation, the top of drawing piece 15 is connected with the lug, be convenient for will draw piece 15 to pull out in recess 16, through-hole one has been seted up to recess 16's below, the standing groove has been seted up to the below of through-hole one, the top wall connection of standing groove has spring 17, spring 17 cover is established in gag lever post 14's outer lane.

In this embodiment, when taking out the connecting wire in the storage box 12 for use, will draw the lug pulling at piece 15 top, make and draw piece 15 to promote highly upwards moving from recess 16, spring 17 receives the compression this moment, gag lever post 14 also upwards stimulates, after storage box 12 cancels the restriction completely, pull out storage box 12 from holding tank 11, the connecting wire of taking can, the completion will be drawn the piece 15 and loosen after taking, spring 17 kick-backs, reset gag lever post 14 and piece 15 position, the bottom and the constant head tank 13 of gag lever post 14 correspond the installation, make gag lever post 14's positional stability high.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The utility model provides a low pressure electric power system voltage harmonic measuring device, includes equipment body (1), its characterized in that: an upper cover (2) is rotatably arranged on one side of the equipment body (1), an installation groove (4) is arranged at the top of the equipment body (1), a display (5) is rotatably arranged in the mounting groove (4), a sliding groove (6) is arranged on the back surface of the display (5), a sliding block (7) is arranged in the sliding groove (6) in a sliding way, one end of the sliding block (7) is hinged with a supporting rod (8), the other end of the supporting rod (8) is hinged with a connecting block (9), one side of the connecting block (9) is provided with a push rod motor (10), a storage groove (11) is arranged at one side of the equipment body (1), a storage box (12) is arranged in the storage groove (11), one side of storage box (12) is equipped with gag lever post (14), gag lever post (14) run through equipment body (1), and the top of gag lever post (14) is connected with draws piece (15).

2. The voltage harmonic measurement device of the low-voltage power system according to claim 1, wherein the two side walls of the device body (1) are provided with a plurality of heat dissipation holes, and one side of the upper cover (2) is connected with a protection pad (3).

3. The voltage harmonic measurement device of the low-voltage power system as claimed in claim 1, wherein the bottom of the mounting groove (4) is provided with a groove, the bottom of the push rod motor (10) is connected with the inner wall of the groove through a bolt, and the connecting block (9) is a T-shaped block.

4. The voltage harmonic measurement device of the low-voltage power system according to claim 1, wherein the device body (1) is provided with a groove (16), the pull block (15) and the groove (16) are installed in a matching manner, and a first through hole is formed below the groove (16).

5. The voltage harmonic measurement device of the low-voltage power system according to claim 4, wherein a placement groove is formed below the first through hole, a spring (17) is connected to the inner wall of the top of the placement groove, and the spring (17) is sleeved on the outer ring of the limiting rod (14).

6. The low-voltage power system voltage harmonic measurement device according to claim 1, wherein the bottom of the storage tank (11) is provided with a positioning groove (13), and the bottom of the limiting rod (14) is installed in a manner of being matched with the positioning groove (13).