CN219201650U - Harmonic flicker analyzer for electromagnetic compatibility test of charging pile - Google Patents

Abstract

The utility model discloses a harmonic flicker analyzer for testing electromagnetic compatibility of a charging pile, which comprises an analyzer body, wherein a touch display screen is arranged on the front surface of the analyzer body, cushion blocks are arranged at corners of the front surface of the analyzer body, two sides of the analyzer body are fixedly connected with fixed sleeves, sliding plates are slidably connected inside the two fixed sleeves, strip-shaped grooves are formed in the outer sides of the two fixed sleeves, a rotating rod is hinged to the outer sides of the strip-shaped grooves, a hinged column of the rotating rod and the sliding plate is slidably connected with the strip-shaped grooves, and a protection plate is fixedly connected to the tail end of the rotating rod. According to the utility model, the touch display screen is protected by arranging the protection plate and the cushion block, and when the touch display screen is used, the protection plate is arranged in front of the cushion block and clings to the cushion block, so that the protection plate protects the touch display screen, and the touch display screen is prevented from being extruded and damaged during transportation and movement.

Description

Harmonic flicker analyzer for electromagnetic compatibility test of charging pile

Technical Field

The utility model relates to the technical field of harmonic flicker analyzers, in particular to a harmonic flicker analyzer for testing electromagnetic compatibility of a charging pile.

Background

The electric automobile charging pile is an important part in the development of electric automobiles, and the development of the electric automobile industry is severely restricted by the deficiency of infrastructure construction of a charging system. However, as an electrical and electronic device connected between the urban power grid and the electric vehicle, the charging pile must have strict requirements on electromagnetic compatibility of the charging pile, so that the charging pile can be ensured to safely and stably operate in the power grid without interfering with other devices. At present, the requirement for electromagnetic compatibility testing of charging piles is increasing.

A harmonic flicker analyzer is used in the prior art to perform electromagnetic compatibility testing on a charging pile, _{harmonic wave} In the wave measuring circuit, the test power supply is an ideal alternating current power supply, the wave measuring circuit has the characteristics of small internal resistance, pure waveform, stable voltage and standard frequency, the measuring equipment is a discrete Fourier transform time domain analyzer, the voltage change is usually evaluated by two indexes, namely voltage fluctuation and flicker, the voltage fluctuation index reflects the sudden large voltage change degree, the flicker index reflects the continuous voltage change condition in a period of time, and the harmonic flicker analyzer is an instrument for analyzing the voltage fluctuation and flicker.

Chinese patent No. CN202021100543.8 provides a multifunctional harmonic measurement and control analysis instrument provided with a buckle block mechanism to prevent the joint from breaking, but the screen of the analyzer is not protected when the analyzer is moved or transported, resulting in easy extrusion damage to the screen of the analyzer.

Therefore, how to provide a harmonic flicker analyzer for testing the electromagnetic compatibility of a charging pile so as to solve the problems existing in the prior art has great significance for application.

Disclosure of Invention

In view of this, the object of the present application is to provide a harmonic flicker analyzer for testing electromagnetic compatibility of a charging pile, so as to solve the problem that the screen of the analyzer is easily damaged by extrusion due to the fact that the screen of the analyzer is not protected in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a harmonic scintillation analyzer for fill electric pile electromagnetic compatibility test, includes the analyzer body, touch display screen is installed in the front of analyzer body, the cushion is installed to the positive corner of analyzer body, the equal fixedly connected with of both sides of analyzer body is fixed the cover, two the equal sliding connection in inside of fixed cover has the slide, two the bar groove is all seted up in the outside of fixed cover, the outside in bar groove articulates there is the dwang, the articulated post and the bar groove sliding connection of dwang and slide, the terminal fixedly connected with guard plate of dwang.

As a preferable technical scheme of the utility model, the two sides of the analyzer body are provided with the heat dissipation holes, and the tail end of the sliding plate extends to the outer side of the fixed sleeve and is fixedly connected with the sealing plate.

As a preferable technical scheme of the utility model, the top end and the bottom end in the fixing sleeve are respectively provided with a sliding groove, the interiors of the two sliding grooves are respectively fixedly connected with a sliding rod, the sliding rods are in sliding connection with sliding blocks, the sliding blocks are fixedly connected with the sliding plates, and the sliding blocks are elastically connected with the fixing sleeve through springs.

As a preferable technical scheme of the utility model, the middle part of the sliding plate is fixedly connected with a limiting clamp, and the limiting clamp is matched with the tail end of the strip-shaped groove.

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

1. according to the utility model, the touch display screen is protected by arranging the protection plate and the cushion block, and when the touch display screen is used, the protection plate is arranged in front of the cushion block and clings to the cushion block, so that the protection plate protects the touch display screen, and the touch display screen is prevented from being extruded and damaged during transportation and movement.

2. When the utility model is used, the protection plate is arranged below the analyzer body, so that the touch display screen of the analyzer is lifted to a certain height, thereby being convenient to observe and operate and use through the touch display screen.

3. According to the utility model, the sealing plate is arranged to prevent water and dust on the analyzer, when the protection plate is arranged on the front side of the touch display screen, the sealing plate is automatically arranged on the outer side of the heat dissipation hole, so that the analyzer body is waterproof and dustproof, when the analyzer is used, the protection plate is arranged below the analyzer body, and the sealing plate is automatically opened, so that the heat dissipation is conveniently arranged.

The foregoing description is only a summary of the technical solutions of the present application, so that the technical means of the present application may be implemented according to the content of the specification, and so that the foregoing and other objects, features and advantages of the present application may be more clearly understood, the following detailed description of the preferred embodiments of the present application is given in conjunction with the accompanying drawings.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of the specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

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

FIG. 2 is a side view of the present utility model;

FIG. 3 is a side view of the present utility model in use;

fig. 4 is a schematic view of the structure of the inside of the fixing sleeve in the present utility model.

In the figure: 1. an analyzer body; 2. a cushion block; 3. touching the display screen; 4. a protection plate; 5. a rotating lever; 6. a bar-shaped groove; 7. a limiting clamp; 8. foot pads; 9. a heat radiation hole; 10. a sealing plate; 11. a fixed sleeve; 12. a spring; 13. a slide bar; 14. a slide block; 15. a slide plate; 16. and a sliding groove.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. In the following description, specific details such as specific configurations and components are provided merely to facilitate a thorough understanding of embodiments of the present application. It will therefore be apparent to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.

Furthermore, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: the terms "/and" herein describe another associative object relationship, indicating that there may be two relationships, e.g., a/and B, may indicate that: the character "/" herein generally indicates that the associated object is an "or" relationship.

It is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprise," "include," or any other variation thereof, are intended to cover a non-exclusive inclusion.

Referring to fig. 1-4, the utility model provides a technical scheme of a harmonic flicker analyzer for electromagnetic compatibility test of a charging pile, which comprises the following steps: including the analysis appearance body 1, touch display screen 3 is installed in the front of analysis appearance body 1, cushion 2 is installed to the positive corner of analysis appearance body 1, the equal fixedly connected with of both sides of analysis appearance body 1 is fixed cover 11, the equal sliding connection in inside of two fixed covers 11 has slide 15, bar groove 6 is all seted up in the outside of two fixed covers 11, the outside in bar groove 6 articulates there is dwang 5, the articulated post and the bar groove 6 sliding connection of dwang 5 and slide 15, the terminal fixedly connected with guard plate 4 of dwang 5, the bottom of analysis appearance body 1 is provided with pad foot 8.

In this embodiment, when transporting or depositing at the analysis appearance, lift up guard plate 4 earlier this moment, then inwards impel guard plate 4 for guard plate 4's inner wall pastes in the outside of cushion 2, and guard plate 4 protects touch display 3's outside this moment, when using the analysis appearance, outwards take out guard plate 4, then rotate dwang 5, make guard plate 4 be located the below of analysis appearance body 1, thereby lift up the front side of analysis appearance body 1 by a take-up height, thereby conveniently observe data and set up through touch display 3.

The both sides of analyzer body 1 have all seted up louvre 9 for dispel the heat to analyzer body 1, and slide 15's end extends to the outside of fixed cover 11 and fixedly connected with closing plate 10 uses closing plate 10 to seal louvre 9 to waterproof dustproof.

The spout 16 has all been seted up to the inside top of fixed cover 11 and bottom, the inside of two spouts 16 is all fixedly connected with slide bar 13, slide bar 13 sliding connection has slider 14, slider 14 and slide 15 fixed connection, pass through spring 12 elastic connection between slider 14 and the fixed cover 11, in this embodiment, make the slip of slide 15 more stable through setting up slider 14 and slide bar 13, make slide 15 produce thrust to the right side through spring 12 to make the laminating of protection plate 4 tightly in the outside of cushion 2.

The middle part fixedly connected with limiting clamp 7 of slide 15, limiting clamp 7 and the terminal looks adaptation of bar groove 6, when placing in the below of analysis appearance body 1 with guard plate 4, will guard plate 4 left side pulling this moment until slide 15 removes to the biggest department of stroke, then uses limiting clamp 7 and the terminal block of bar groove 6, and the never slide of messenger's slide 15.

When the analyzer is used, when the analyzer is transported or stored, the protection plate 4 is lifted at the moment, the limiting clamp 7 is separated from the strip-shaped groove 6, then the protection plate 4 is pushed inwards, the inner wall of the protection plate 4 is attached to the outer side of the cushion block 2, the protection plate 4 is used for protecting the outer side of the touch display screen 3, when the analyzer is used, the protection plate 4 is pulled out outwards, the limiting clamp 7 and the strip-shaped groove 6 are clamped, then the rotating rod 5 is rotated, the protection plate 4 is located below the analyzer body 1, the front side of the analyzer body 1 is lifted to a certain height, data are conveniently observed and set through the touch display screen 3, when the protection plate 4 is placed on the front side of the touch display screen 3, the sealing plate 10 is automatically placed on the outer side of the heat dissipation hole 9, the analyzer body 1 is waterproof and dustproof, when the analyzer is used, the protection plate 4 is placed below the analyzer body, the sealing plate 10 is automatically opened, and the heat dissipation is conveniently set.

The above description is only of the preferred embodiments of the present utility model and it is not intended to limit the scope of the present utility model, but various modifications and variations can be made by those skilled in the art. Variations, modifications, substitutions, integration and parameter changes may be made to these embodiments by conventional means or may be made to achieve the same functionality within the spirit and principles of the present utility model without departing from such principles and spirit of the utility model.

Claims (4)

1. A harmonic scintillation analyzer for fill electric pile electromagnetic compatibility test, its characterized in that: including analysis appearance body (1), touch display screen (3) are installed in the front of analysis appearance body (1), cushion (2) are installed in the positive corner of analysis appearance body (1), the equal fixedly connected with of both sides of analysis appearance body (1) is fixed cover (11), two the inside of fixed cover (11) is all sliding connection has slide (15), two bar groove (6) are all seted up in the outside of fixed cover (11), the outside of bar groove (6) articulates there is dwang (5), the articulated post and the bar groove (6) sliding connection of dwang (5) and slide (15), the terminal fixedly connected with guard plate (4) of dwang (5).

2. A harmonic flicker analyzer for electromagnetic compatibility testing of a charging pile as defined in claim 1, wherein: the two sides of the analyzer body (1) are provided with heat dissipation holes (9), and the tail end of the sliding plate (15) extends to the outer side of the fixed sleeve (11) and is fixedly connected with a sealing plate (10).

3. A harmonic flicker analyzer for electromagnetic compatibility testing of a charging pile as defined in claim 2, wherein: the sliding device is characterized in that sliding grooves (16) are formed in the top end and the bottom end of the inside of the fixed sleeve (11), sliding rods (13) are fixedly connected to the inside of the sliding grooves (16), sliding blocks (14) are connected to the sliding rods (13) in a sliding mode, the sliding blocks (14) are fixedly connected with the sliding plates (15), and the sliding blocks (14) are elastically connected with the fixed sleeve (11) through springs (12).

4. A harmonic flicker analyzer for electromagnetic compatibility testing of a charging pile as defined in claim 3, wherein: the middle part fixedly connected with limiting clamp (7) of slide (15), limiting clamp (7) and the terminal looks adaptation of bar groove (6).

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