CN219042169U

CN219042169U - Electric energy quality monitoring device

Info

Publication number: CN219042169U
Application number: CN202222893957.6U
Authority: CN
Inventors: 王长敬; 袁斌; 赵彦斌
Original assignee: Zhengyang Electronic Tianjin Co ltd
Current assignee: Zhengyang Electronic Tianjin Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-05-16
Anticipated expiration: 2032-11-01

Abstract

The utility model relates to the technical field of power electronics, in particular to an electric energy quality monitoring device which comprises a device shell, wherein the device shell is a protective shell main body structure of the device, and a bottom plate is fixedly arranged at the lower end of the protective shell main body structure. The utility model overcomes the defects of the prior art, the control button is arranged in the inner groove of the lower protective cover, the upper protective cover is folded down to the protective cover, the abnormal operation caused by the false touch of personnel can be avoided, meanwhile, the erosion of the control button caused by the long-term exposure of the control button can be avoided, the service life of the control button is prolonged, the bottom plate, the second mounting plate and the supporting plate are fixedly connected with the lower end of the bottom plate through the supporting plate at 45 degrees, the stability of the supporting frame structure is improved, the rear part of the device in the screen cabinet is fixedly supported, the stability of the device mounted on the screen cabinet is improved, and the possibility of deformation and fracture at the connecting part caused by the unstable mounting due to the overlarge pressure of the connecting surface of the device is avoided.

Description

Electric energy quality monitoring device

Technical Field

The utility model relates to the technical field of power electronics, in particular to a power quality monitoring device.

Background

With the development of power electronic technology, direct current transmission and high-power single-phase rectification technology are widely applied to industrial departments and electric equipment, such as high-power silicon controlled devices, switching power supplies, variable-frequency speed regulation and the like, and the typical nonlinear loads are used for sucking or injecting harmonic current from a power grid, so that the voltage distortion of the power grid is caused, the waveform of the power grid is polluted, the power supply quality is deteriorated, the parasitic loss is increased, and the transmission capacity is reduced. In the power grid, three-phase load unbalance, power system resonance grounding and the like can generate negative sequences, and high-power rectification, nonlinear equipment and the like can generate harmonic waves. The quality of the electric energy is reduced, and the power supply and the safe operation of the electric equipment are seriously threatened. The power quality monitoring device is used for solving the problems.

The better baoding AZ Zhuo Paiao electrical AZ-612 electrical quality monitoring device is sold in the market, and has the effects that the electrical quality problems of waveform distortion, voltage fluctuation, flicker, three-phase imbalance and the like of a power grid are solved, particularly, the continuous increase of impact and nonlinear load capacity is solved, but a control button on a device shell is exposed to the outside and is easily touched by mistake and is not effectively protected, the device is easily corroded, a mounting plate on the front sides of the left end and the right end of the device is fixed with one side of the inside of a screen cabinet through bolts, the rear part of the device is suspended in the screen cabinet, the pressure of a connecting surface is increased, and the deformation and fracture of a connecting part caused by unstable installation are easy to occur.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a power quality monitoring device, which aims to solve the problems of insufficient protection and unstable installation of a control button in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme:

a power quality monitoring device, comprising:

the device shell is a protective shell main body structure of the device, and a bottom plate is fixedly arranged at the lower end of the device shell;

the lower protection cover is arranged on the right side of the front end of the device shell, a control button is arranged in a groove at the front end of the lower protection cover, connecting columns are arranged on two sides of the upper end of the lower protection cover, connecting grooves are formed in one side of each connecting column, and the connecting grooves are symmetrically arranged;

the connecting rod is movably arranged in the connecting groove, the middle part of the connecting rod is connected with a communication column in a penetrating way, and one side of the communication column is fixedly connected with an upper protective cover;

the second mounting panel, its fixed mounting is in the lower extreme front side of bottom plate, the second mounting hole of reserving has all been seted up to the front end of second mounting panel, the rear side lower extreme fixedly connected with of second mounting panel is the backup pad that the L shape set up, the backup pad is 45 and bottom plate lower extreme one side fixed connection.

Preferably, the device housing further comprises:

the device comprises a device shell, a first mounting plate, a second mounting plate and a first connecting plate, wherein the first mounting plate is fixedly mounted at the left side front end and the right side front end of the device shell, first reserved mounting holes are formed in the front end of one side of the first mounting plate, the first mounting plate is in an L-shaped arrangement, and the first mounting plate is symmetrically arranged.

Preferably, the device housing further comprises:

the display screen is arranged in the left groove at the front end of the device shell, and status display lamps are arranged above the display screen and are arranged at one side of the front end of the device shell.

Preferably, the device housing further comprises:

and a device switch disposed above the left side of the rear end of the device housing.

Preferably, the device housing further comprises:

and the data connection ports are arranged on the right side of the rear end of the device shell, and the data connection ports are a plurality of connection ports of different types.

Preferably, the device housing further comprises:

and a power supply connection port arranged below the left side of the rear end of the device shell.

The embodiment of the utility model provides a power quality monitoring device, which has the following beneficial effects: this electric energy quality monitoring device is a multi-functional electric energy quality test analytical instrument of high performance, through setting up control button inside the protective housing, reaches when not using and protects control button and avoid the mistake to touch, avoids control button to expose in the outside for a long time and easily erodes, and the rethread sets up the support frame to the device in the inside rear portion fixed stay of screen cabinet, improves the steadiness of device.

1. Through setting up lower safety cover and last visor, the device control button sets up in the inside recess of lower safety cover, and upward the visor folds down the safety cover when not using, can avoid personnel to touch by mistake and lead to operating abnormality, also can avoid control button erosion that leads to outside for a long time to control button exposing simultaneously, improves control button's life cycle.

2. Through setting up bottom plate, second mounting panel, backup pad, the second mounting panel is 45 lower extreme fixed connection with the bottom plate through the backup pad, forms triangle-shaped, improves support frame structure's steadiness, to the inside rear portion fixed stay of device at the screen cabinet, improves the steadiness of device installation on the screen cabinet, avoids device junction pressure too big to lead to the installation unstable and leads to junction deformation and cracked possibility.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the base plate of the present utility model;

FIG. 3 is a schematic view of the lower protective cover structure of the present utility model;

fig. 4 is a schematic view of the rear end structure of the housing of the device of the present utility model.

In the figure: 1. a device housing; 2. a bottom plate; 3. a first reserved mounting hole; 4. a first mounting plate; 5. a status display lamp; 6. a display screen; 7. a lower protective cover; 8. a second mounting plate; 9. a second reserved mounting hole; 10. a support plate; 11. a control button; 12. a connecting column; 13. an upper protective cover; 14. a communication column; 15. a connecting rod; 16. a device switch; 17. a data connection port; 18. a power connection port; 19. and a connecting groove.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in fig. 1, an apparatus for monitoring power quality includes: the device shell 1, for the protective housing major structure of this device, its lower extreme fixed mounting has bottom plate 2, the equal fixed mounting of end front side has first mounting panel 4 about device shell 1, first mounting panel 4 is L shape setting, two sets of first reservation mounting holes 3 have all been seted up to one side front end of first mounting panel 4, be convenient for personnel fix the device in the inside one side of screen cabinet through the bolt, be provided with display screen 6 in the front end left side recess of bottom plate 2, be provided with status display lamp 5 in its upper end of display screen 6, lower safety cover 7 is installed on the front end right side of bottom plate 2, be provided with control button 11 in the front end recess of lower safety cover 7, visual display monitoring state, make things convenient for personnel adjusting device.

As shown in fig. 2, a power quality monitoring device, the base plate 2 further includes: the equal fixedly connected with second mounting panel 8 of lower extreme front side of bottom plate 2, the equal fixedly connected with backup pad 10 of rear end of second mounting panel 8, backup pad 10 is 45 and the lower extreme one side fixed connection of bottom plate 2, be triangle-shaped setting and improve the steadiness of support frame structure, the second of being convenient for personnel to use the bolt all to set up through the front end of second mounting panel 8 is reserved mounting hole 9 and is installed the device on the inside one side of screen cabinet, increase the junction surface of device installation, simultaneously to the rear portion fixed stay of device in the inside of screen cabinet, the too big possibility that leads to the junction to warp and fracture that leads to of installation unstable of first mounting panel 4 junction surface pressure of front side about avoiding the device.

As shown in fig. 3, in an apparatus for monitoring power quality, the lower protective cover 7 further includes: the upper end fixedly connected with spliced pole 12 of lower safety cover, spliced pole 19 has all been seted up to one side of spliced pole 12, spliced pole 19 is the symmetry setting, one side fixedly connected with intercommunication post 14 of going up visor 13, connecting rod 15 runs through intercommunication post 14, with spliced pole 12 spliced pole swing joint, can turn up visor 13 and operate during the operation, can fold up visor 13 downwards safety cover 7 when not operating, can avoid personnel to touch control button 11 by mistake and lead to the operation unusual, increase the life of device, control button 11 avoids exposing outside at its inside for a long time simultaneously and leads to the erosion, improve control button's life cycle.

As shown in fig. 4, a power quality monitoring device, the device housing 1 further includes: the device switch 16 is arranged above the left side of the rear end of the device shell 1, the on-off of the device is controlled, the power connection port 18 is arranged below the left side of the rear end of the device shell 1 and is connected with a power line, and the right side of the rear end of the device shell 1 is provided with a plurality of different types of data connection ports 17 which can be connected with data connection lines with different specifications.

Working principle: this kind of improve electric energy quality monitoring devices, the equal fixed mounting of end front side about device shell 1 has the first mounting panel 4 that is L shape setting, two sets of first reservation mounting holes 3 have all been seted up to the one side front end of first mounting panel 4, personnel pass through the bolt with the device fixed in the inside one side of screen cabinet, through setting up bottom plate 2, second mounting panel 8, backup pad 10 is 45 lower extreme one side fixed connection with bottom plate 2, be triangle-shaped setting improvement support frame structure's steadiness, personnel use the bolt and all set up the second reservation mounting hole 9 that the front end of second mounting panel 8 is with the device installation on the inside one side of screen cabinet, increase the junction surface of device installation, simultaneously to the device at the inside rear portion fixed support of screen cabinet, first mounting panel 4 junction surface pressure of device left and right sides is too big leads to the installation unstable and leads to junction deformation and cracked possibility, rear end left side below through device shell 1 is provided with power connection port 18 and power cord connection, monitored equipment is connected with the device through data connection port 17, the safety cover 16 control device protection cover, can avoid the protection cover to seal up the time when setting up the protection cover 7 and the protection cover, can prevent the protection cover from carrying out the protection cover from being used by the protection cover from the life-time 11 to be used for the protection cover 11, can be used for preventing the protection cover from the control panel 11 from being exposed to be exposed to the control panel 11, the life-time is reduced, can be used for protecting the control panel 11 is easy to be used to the control device is exposed to the control device is easy 11.

Claims

1. A power quality monitoring device, comprising:

the device shell (1) is a protective shell main body structure of the device, and the lower end of the device shell is fixedly provided with a bottom plate (2);

the lower protection cover (7) is arranged on the right side of the front end of the device shell (1), a control button (11) is arranged in a groove at the front end of the lower protection cover (7), connecting columns (12) are arranged on two sides of the upper end of the lower protection cover (7), connecting grooves (19) are formed in one side of each connecting column (12), and the connecting grooves (19) are symmetrically arranged;

the connecting rod (15) is movably arranged in the connecting groove (19), the middle part of the connecting rod (15) is connected with a communication column (14) in a penetrating way, and one side of the communication column (14) is fixedly connected with an upper protective cover (13);

the second mounting plate (8), its fixed mounting is in the lower extreme front side of bottom plate (2), second reservation mounting hole (9) have all been seted up to the front end of second mounting plate (8), the rear side lower extreme fixedly connected with of second mounting plate (8) is backup pad (10) that the L shape set up, backup pad (10) are 45 and bottom plate (2) lower extreme one side fixed connection.

2. A power quality monitoring device according to claim 1, characterized in that the device housing (1) further comprises:

the device comprises a first mounting plate (4), wherein the first mounting plate (4) is fixedly mounted at the front ends of the left side and the right side of a device shell (1), first reserved mounting holes (3) are formed in the front ends of one sides of the first mounting plate (4), the first mounting plate (4) is in an L-shaped arrangement, and the first mounting plate (4) is symmetrically arranged.

3. A power quality monitoring device according to claim 1, characterized in that the device housing (1) further comprises:

the display screen (6) is arranged in a groove at the left side of the front end of the device shell (1), status display lamps (5) are arranged above the display screen (6), and the status display lamps (5) are arranged on one side of the front end of the device shell (1).

4. A power quality monitoring device according to claim 1, characterized in that the device housing (1) further comprises:

and a device switch (16) provided above the left side of the rear end of the device case (1).

5. A power quality monitoring device according to claim 1, characterized in that the device housing (1) further comprises:

and a data connection port (17) arranged on the right side of the rear end of the device housing (1), wherein the data connection port (17) is a plurality of connection ports of different types.

6. A power quality monitoring device according to claim 1, characterized in that the device housing (1) further comprises:

and a power supply connection port (18) provided below the left side of the rear end of the device case (1).