Electric energy quality on-line monitor

Abstract

The utility model relates to an electric energy quality on-line monitor in the technical field of electric energy monitors. The top end of a protection box is provided with a driving assembly used for driving two opening and closing assemblies to move oppositely. An adjusting assembly used for driving the supporting assembly to move up and down is arranged in a box cavity of the opening and closing device, and a guide rod used for assisting the supporting assembly in moving up and down is arranged on the left side of the adjusting assembly. When an electric energy monitor on a supporting plate needs to be stored in a protection box, a first threaded rod can be controlled to rotate through a hand wheel, two moving plates can be made to be far away from each other along a rod body of the first threaded rod, meanwhile, two sliding plates are made to be far away from each other and stored in a storage groove, and at the moment, the top end of the protection box can be opened; and then a motor drives a second threaded rod to rotate, so that a threaded sleeve plate moves downwards along a rod body of the second threaded rod, and meanwhile, a guide plate at the left end of a supporting plate slides on a guide rod, so that the supporting plate can stably move downwards to store the electric energy monitor into a protection box.

Description

Technical Field

[0001] The utility model relates to the technical field of electric energy monitors, in particular to an online electric energy quality monitor. Background Art

[0002] The online power quality monitor is a special product for monitoring and analyzing the quality of power grid operation. It can provide power quality data analysis such as voltage, current, frequency, three-phase imbalance, power and energy monitoring, and harmonic analysis during power operation. The online power quality monitoring equipment is the most basic and most important equipment in the power grid power quality supervision and detection network, especially used in new energy charging stations to monitor the power quality of each charging pile during the charging process. When the existing power quality monitor is installed, it is installed in a protective box, as shown in a power quality online monitoring device with Chinese patent application number CN202220110862.X, and the power quality monitor in the U-shaped seat is lifted by using a lifting device;

[0003] However, when the power quality monitor is lifted, due to the lack of a stabilizing device for the U-shaped seat, the U-shaped seat may shake during the lifting, causing the power quality monitor to fall from the U-shaped seat and be damaged. Utility Model Content

[0004] In order to solve the problem proposed in the above background technology that when the power quality monitor is lifted, the power quality monitor in the U-shaped seat is lifted by using a lifting device, but due to the lack of a stabilizing device for the U-shaped seat, the U-shaped seat will shake during lifting, causing the power quality monitor to fall from the U-shaped seat and be damaged, the utility model provides the following technical solutions:

[0005] An online power quality monitor comprises a protection box for protecting the power monitor, an opening and closing device for opening and closing the protection box is arranged at the top of the protection box, and a lifting device for driving the power monitor to move up and down is arranged in the box cavity of the protection box.

[0006] The opening and closing device includes an opening and closing component for opening and closing the protection box, and there are two opening and closing components, the movement directions of the two opening and closing components are opposite, and the top of the protection box is provided with a driving component for driving the two opening and closing components to perform opposite movements.

[0007] The lifting device includes a supporting assembly arranged in a protective box for supporting the electric energy monitor, an adjusting assembly for driving the supporting assembly to move up and down is arranged in the box cavity of the opening and closing device, and a guide rod for assisting the supporting assembly to move up and down is arranged on the left side of the adjusting assembly.

[0008] Furthermore, the driving assembly includes a threaded rod 1 arranged in the top end of the protective box for rotation, and the two opening and closing assemblies move in opposite directions along the rod body of the threaded rod 1, and a handwheel for driving the threaded rod 1 to rotate is fixedly installed at the right end of the threaded rod 1.

[0009] Furthermore, the opening and closing assembly includes a slide plate for opening and closing the protective box, a limiting plate is fixedly installed near the movement of the handwheel to prevent the slide plate from moving out, a movable plate for threaded connection with the threaded rod is fixedly installed at the front end of the limiting plate, and a sliding block is fixedly installed at the rear end of the limiting plate to assist the limiting plate in moving left and right.

[0010] Furthermore, the adjustment assembly includes a second threaded rod arranged in the protective box for rotation, and a motor for driving the second threaded rod to rotate is fixedly mounted on the top end of the second threaded rod.

[0011] Furthermore, the support assembly includes a support plate for supporting the electric energy monitor, a threaded sleeve plate for threaded connection with a threaded rod is fixedly installed on the right end of the support plate, a guide plate for sliding on the guide rod is fixedly installed on the left end of the support plate, and a fixing column for installing the electric energy monitor is fixedly installed on the top end of the support plate, and there are four fixing columns.

[0012] Furthermore, a storage groove for movement of the movable plate is provided at the top of the protection box, and there are two storage grooves. A drainage groove for drainage is provided at the top of the protection box, and the drainage groove is located between the two storage grooves.

[0013] Furthermore, a rain shelter is provided above the protection box for protecting the protection box from rain, and support columns for supporting the rain shelter are fixedly installed on the top of the protection box, and there are four support columns.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By arranging an opening and closing device and a lifting device, when it is necessary to store the electric energy monitor on the support plate into the protection box, the threaded rod one can be controlled to rotate by a hand wheel, so that the two movable plates can be moved away from each other along the rod body of the threaded rod one, and at the same time, the two slides can be controlled to move away from each other and stored in the storage groove, and the top of the protection box can be opened at this time; the threaded rod two is then driven by a motor to rotate, so that the threaded sleeve plate moves downward along the rod body of the threaded rod two, and at the same time, the guide plate at the left end of the support plate slides on the guide rod, so that the support plate can be smoothly moved downward to store the electric energy monitor into the protection box, thereby solving the problem of the electric energy monitor falling off the support plate and being damaged when the electric energy monitor is raised or lowered. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a cross-sectional view of the protective box of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the protective box of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the opening and closing device of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the lifting device of the utility model.

[0021] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:

[0022] 100-protection box, 101-storage slot, 102-drainage slot;

[0023] 200-opening and closing device, 210-driving assembly, 211-hand wheel, 212-threaded rod 1, 220-opening and closing assembly, 221-moving plate, 222-sliding plate, 223-limiting plate, 224-sliding block;

[0024] 300-lifting device, 310-adjusting assembly, 311-motor, 312-threaded rod 2, 320-support assembly, 321-support plate, 322-threaded sleeve plate, 323-guide plate, 324-fixing column, 330-guide rod;

[0025] 400-Electricity monitor;

[0026] 001-Awning, 002-Supporting column. DETAILED DESCRIPTION

[0027] The preferred specific implementation methods for implementing the present utility model are described in detail below, and a clear and complete description is made in conjunction with the accompanying drawings.

[0028] See also Figure 1-Figure 5 , the utility model provides an online monitoring instrument for power quality.

[0029] It includes a protection box 100 for protecting the power monitor 400. The top of the protection box 100 is provided with an opening and closing device 200 for opening and closing the protection box 100. The box cavity of the protection box 100 is provided with a lifting device 300 for driving the power monitor 400 to move up and down.

[0030] A rain shelter 001 for protecting the protective box 100 from rain is arranged above the protective box 100, and the cross-section of the rain shelter 001 is in an inverted V shape. Support columns 002 for supporting the rain shelter 001 are fixedly installed on the top of the protective box 100, and there are four support columns 002. The four support columns 002 are welded at the four corners of the top of the protective box 100 in a rectangular array.

[0031] The power monitor 400 is a device of model TH2523A in the prior art, and the working principle of the power monitor 400 mainly consists of several links such as data acquisition, signal processing, data storage, analysis and diagnosis, and alarm prompts. Among them, data acquisition is the core of power quality monitoring. It collects power quality parameters such as voltage, current, and power in the power system and transmits the data to the monitoring system for processing and management. Signal processing is to digitize the collected electrical signals and convert them into digital signals that can be processed by computers for further analysis and diagnosis, so as to realize the power detection of the charging column in the charging station.

[0032] A storage groove 101 for the movement of the movable plate 221 is provided at the top of the protection box 100, and there are two storage grooves 101, so that the protection box 100 can be opened by the opening and closing device 200, and the lifting device 300 can lift the power monitor 400 to the outside of the protection box 100 for use. When encountering extreme weather, the power monitor 400 can be stored in the protection box 100 for protection. A drainage groove 102 for drainage is provided at the top of the protection box 100, and the drainage groove 102 is located between the two storage grooves 101, so that rainwater accumulated on the opening and closing device 200 can be discharged through the drainage groove 102 to prevent rainwater from seeping into the protection box 100 and affecting the use of the power monitor 400.

[0033] The opening and closing device 200 includes an opening and closing component 220 for opening and closing the protective box 100, and there are two opening and closing components 220, the movement directions of the two opening and closing components 220 are opposite, and a driving component 210 is provided at the top of the protective box 100 for driving the two opening and closing components 220 to move in opposite directions.

[0034] The driving component 210 includes a threaded rod 212 for rotation arranged at the top end of the protective box 100, and the rod body of the threaded rod 212 has two sections of threads with opposite rotation directions, and the two opening and closing components 220 move in opposite directions along the two sections of threads on the rod body of the threaded rod 212, and the right end of the threaded rod 212 is fixedly installed with a handwheel 211 for driving the threaded rod 212 to rotate.

[0035] The opening and closing assembly 220 includes a slide plate 222 for opening and closing the protective box 100. The slide plate 222 is fixedly installed with a limiting plate 223 near the movement of the hand wheel 211 to prevent the slide plate 222 from moving out of the storage groove 101. The front end of the limiting plate 223 is fixedly installed with a movable plate 221 for threaded connection with the threaded rod 212, and the rear end of the limiting plate 223 is fixedly installed with a slider 224 for assisting the limiting plate 223 to move left and right; therefore, when the protective box 100 needs to be opened, the threaded rod 212 can be controlled to rotate by the hand wheel 211, so that the two movable plates 221 can be moved away from each other along the rod body of the threaded rod 212, and at the same time, the two slide plates 222 can be controlled to move away from each other and stored in the storage groove 101, and the top of the protective box 100 can be opened at this time.

[0036] The lifting device 300 includes a support assembly 320 arranged in the protective box 100 for supporting the electric energy monitor 400, an adjustment assembly 310 for driving the support assembly 320 to move up and down is arranged in the box cavity of the opening and closing device 200, and a guide rod 330 for assisting the support assembly 320 to move up and down is arranged on the left side of the adjustment assembly 310.

[0037] The adjustment component 310 includes a threaded rod 312 arranged in the protective box 100 for rotation, and the upper and lower ends of the threaded rod 312 are connected to the box body of the protective box 100 through bearings to facilitate the rotation of the threaded rod 312; a motor 311 for driving the threaded rod 312 to rotate is fixedly installed at the top of the threaded rod 312; thus, when the motor 311 is working, it can drive the threaded rod 312 to rotate.

[0038] The support assembly 320 includes a support plate 321 for supporting the electric energy monitor 400, a threaded sleeve 322 for threaded connection with the threaded rod 312 is fixedly installed at the right end of the support plate 321, a guide plate 323 for sliding on 333 is fixedly installed at the left end of the support plate 321, and a fixing column 324 for installing the electric energy monitor 400 is fixedly installed at the top of the support plate 321, and there are four fixing columns 324, and the electric energy monitor 400 is connected to the fixing columns 324 by bolts, so that when the support needs to be When the power monitor 400 on the plate 321 is stored in the protective box 100, the motor 311 can drive the threaded rod 2 312 to rotate, so that the threaded sleeve 322 moves downward along the rod body of the threaded rod 2 312. At the same time, the guide plate 323 at the left end of the support plate 321 slides on the guide rod 330, so that the support plate 321 can move downward smoothly to store the power monitor 400 in the protective box 100, thereby solving the problem of the power monitor 400 falling off the support plate 321 and being damaged when the power monitor 400 is raised or lowered.

[0039] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the utility model. In addition, any non-creative modifications made to the utility model by those skilled in the art without making creative work still fall within the protection scope of the utility model.

Claims

1. An online power quality monitor, characterized in that: It comprises a protection box (100) for protecting an electric energy monitor (400), an opening and closing device (200) for opening and closing the protection box (100) is arranged at the top of the protection box (100), and a lifting device (300) for driving the electric energy monitor (400) to move up and down is arranged in the box cavity of the protection box (100); The opening and closing device (200) comprises an opening and closing assembly (220) for opening and closing the protection box (100), and there are two opening and closing assemblies (220), the movement directions of the two opening and closing assemblies (220) are opposite, and a driving assembly (210) for driving the two opening and closing assemblies (220) to move in opposite directions is arranged at the top end of the protection box (100); The lifting device (300) includes a support assembly (320) arranged in a protective box (100) for supporting an electric energy monitor (400); an adjustment assembly (310) for driving the support assembly (320) to move up and down is arranged in the box cavity of the opening and closing device (200); and a guide rod (330) for assisting the support assembly (320) to move up and down is arranged on the left side of the adjustment assembly (310).

2. The online power quality monitor according to claim 1, characterized in that: The driving assembly (210) comprises a threaded rod (212) arranged at the top end of the protective box (100) for rotation, and the two opening and closing assemblies (220) move in opposite directions along the rod body of the threaded rod (212), and a hand wheel (211) for driving the threaded rod (212) to rotate is fixedly installed at the right end of the threaded rod (212).

3. The online power quality monitor according to claim 2, characterized in that: The opening and closing assembly (220) includes a slide plate (222) for opening and closing the protective box (100); a limiting plate (223) for preventing the slide plate (222) from moving out is fixedly installed at one end of the slide plate (222) close to the hand wheel (211); a moving plate (221) for threaded connection with a threaded rod (212) is fixedly installed at the front end of the limiting plate (223); and a sliding block (224) for assisting the limiting plate (223) to move left and right is fixedly installed at the rear end of the limiting plate (223).

4. The online power quality monitor according to claim 1, characterized in that: The adjustment assembly (310) comprises a second threaded rod (312) arranged in the protection box (100) for rotation, and a motor (311) for driving the second threaded rod (312) to rotate is fixedly mounted on the top end of the second threaded rod (312).

5. The online power quality monitor according to claim 4, characterized in that: The support assembly (320) comprises a support plate (321) for supporting the electric energy monitor (400); a threaded sleeve (322) for threaded connection with threaded rod 2 (312) is fixedly mounted on the right end of the support plate (321); a guide plate (323) for sliding on a guide rod (330) is fixedly mounted on the left end of the support plate (321); a fixing column (324) for mounting the electric energy monitor (400) is fixedly mounted on the top end of the support plate (321); and there are four fixing columns (324).

6. The online power quality monitor according to claim 3, characterized in that: The top of the protection box (100) is provided with a storage groove (101) for the movable plate (221) to move, and there are two storage grooves (101). The top of the protection box (100) is provided with a drainage groove (102) for drainage, and the drainage groove (102) is located between the two storage grooves (101).

7. The online power quality monitor according to claim 1, characterized in that: A rain shelter (001) for shielding the protection box (100) from rain is arranged above the protection box (100), and support columns (002) for supporting the rain shelter (001) are fixedly installed at the top of the protection box (100), and there are four support columns (002).

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