CN220671511U

CN220671511U - Voltage drop generator

Info

Publication number: CN220671511U
Application number: CN202322270535.8U
Authority: CN
Inventors: 李芳芳; 王涛; 郁奇雷; 刘永强; 韩京华
Original assignee: Shanghai Longtian Testing Technology Co ltd
Current assignee: Shanghai Longtian Testing Technology Co ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-03-26
Anticipated expiration: 2033-08-23

Abstract

The utility model belongs to the technical field of electronic instrument, the utility model discloses a voltage drop generator, including the instrument casing, one side of instrument casing is provided with the backplate, the draw-in groove has been run through to the inner chamber of backplate, the inner wall joint of draw-in groove has the display screen, an end fixedly connected with screen seat of display screen, the inside wall of backplate is located to the screen seat, and the four corners department of screen seat all is provided with firm subassembly in the inside wall of backplate through mounting bolt fixed mounting, the outside of screen seat, and firm subassembly sets up in the inboard of instrument casing, the four corners department of instrument casing bottom all is fixed mounting has locking universal wheel, be provided with button and a plurality of interfaces on the backplate, and the button is located one side of draw-in groove; utilize the draw-in groove that sets up for under the combined action of cooperation firm subassembly, realize the effective reinforcement effect to display screen and screen seat mounted position, thereby under improving its location firm effect, prevent that the bolt of location from producing not hard up and influencing its self location effect.

Description

Voltage drop generator

Technical Field

The present application relates to the field of electronic instrument technology, and more particularly, to a voltage sag generator.

Background

The voltage drop generator is mainly used for simulating the voltage drop phenomenon in the power system, is used for testing the resistance capability of equipment and the system to the voltage drop event, and plays an important role in the aspects of anti-interference capability test, standard compliance test, fault removal and improvement, equipment design verification and the like; by using a voltage sag generator, the operation of the device in a voltage sag environment can be better understood and managed, and corresponding measures can be taken to ensure its stability and reliability.

In the existing voltage drop generator, in order to realize the observation and reaction to data, a data display screen is usually arranged on an instrument, however, the existing mode of singly utilizing a bolt is used for fixedly assembling the data display screen on the instrument, so that the data display screen is difficult to effectively reinforce, and meanwhile, the problem of loosening of the bolt is easily caused in the whole long-term use and instrument moving process, and the positioning effect of the data display screen is further influenced.

In order to solve the above problems, the present application provides a voltage sag generator.

Disclosure of Invention

The voltage drop generator provided by the application adopts the following technical scheme:

the utility model provides a voltage drop generator, includes the instrument casing, one side of instrument casing is provided with the backplate, the draw-in groove has been run through to the inner chamber of backplate, the inner wall joint of draw-in groove has the display screen, an end fixedly connected with screen seat of display screen, the inside wall of backplate is located to the screen seat, and the four corners department of screen seat all passes through mounting bolt fixed mounting in the inside wall of backplate, the outside of screen seat is provided with firm subassembly, and firm subassembly sets up in the inboard of instrument casing, the equal fixed mounting in four corners department of instrument casing bottom has the locking universal wheel, be provided with button and a plurality of interfaces on the backplate, and the button is located a side of draw-in groove.

Through above-mentioned technical scheme, utilize the locking universal wheel that establishes, the holistic removal work of being convenient for.

Further, firm subassembly is including the fly leaf that is located screen seat middle part outside, the fly leaf is "U" font support body structure, and the inner chamber in fly leaf middle part run through the spiro union has the bolt spare, the screw thread end fixed mounting of bolt spare one side has the contact patch, the both sides end of fly leaf all is provided with limit structure, two sets of limit structure symmetry sets up in the both sides limit of screen seat.

Through the technical scheme, the supporting function of the upper structure of the movable plate is realized by using the arranged movable plate.

Further, a plurality of anti-slip grooves are evenly formed in the circumference of the outer wall of the non-threaded end of one side, deviating from the contact piece, of the bolt piece, an anti-slip rubber pad is fixedly arranged on one end face, deviating from the bolt piece, of the contact piece, and one end face, deviating from the display screen, of the contact piece is abutted to one side, deviating from the display screen, of the screen seat through the anti-slip rubber pad.

Through above-mentioned technical scheme, utilize the anti-skidding recess of establishing, be convenient for manual operation of twisting of bolt spare.

Further, limit structure includes fixed mounting in the fixed strip of backplate inside wall, the spout has been seted up to the terminal surface of fixed strip, the inner wall fixed mounting of spout has the slide bar, the slide bar runs through the activity and cup joints in the inner chamber of fly leaf one side end, and the junction fixed mounting of slide bar one side outer wall and spout one side inner wall has first magnetic path, one side of first magnetic path is equipped with the second magnetic path, second magnetic path fixed mounting is in the surface of fly leaf one side end, and the inner chamber and the slide bar activity of second magnetic path cup joint.

Through above-mentioned technical scheme, utilize limit structure who establishes, realize accepting and slip spacing effect to the fly leaf.

Furthermore, the first magnetic block and the second magnetic block are made of a magnetoresina material, and one ends of the first magnetic block and the second magnetic block opposite to each other are in opposite polarities and are in a mutually attracted state.

Through the technical scheme, the positioning work of the movable plate position is realized by utilizing the suction effect of the first magnetic block and the second magnetic block.

Further, the inside of instrument casing and backplate all includes the metal body layer, the outer wall on metal body layer is provided with the sealing layer, the outer wall of sealing layer is provided with insulating skin, insulating skin's outer wall is provided with the lacquer surface course.

Through the technical scheme, the hardness coefficients of the instrument shell and the backboard are conveniently ensured by utilizing the metal body layer.

Furthermore, the sealing layer is made of epoxy resin plastid material, the insulating outer layer is made of environment-friendly insulating plastic material, and the thickness of the insulating outer layer is consistent with that of the sealing layer.

In summary, the present application includes the following beneficial technical effects:

through instrument casing and backplate that set up, can form the used instrument shell of voltage sag generator, play the effect of accepting to its upper structure to when being favorable to reacting and observing the data through screen seat and the display screen that sets up, utilize the draw-in groove that sets up, make under the combined action of cooperation firm subassembly, realize the effective reinforcement effect to display screen and screen seat mounted position, thereby under improving its location firm effect, prevent that the bolt that is located from producing not hard up and influencing its self location effect.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic view of a partial structure of the present application;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A of the present application;

fig. 4 is a schematic diagram illustrating the internal components of the instrument housing and the back plate of the present application.

The reference numerals in the figures illustrate:

1. an instrument housing; 2. a back plate; 3. a clamping groove; 4. a display screen; 5. a screen seat; 6. a movable plate; 7. a bolt member; 8. a contact piece; 9. a limit structure; 10. a fixing strip; 11. a chute; 12. a slide bar; 13. a first magnetic block; 14. a second magnetic block; 15. a metal body layer; 16. a sealing layer; 17. an insulating outer layer; 18. and (5) a paint surface layer.

Detailed Description

The technical solutions in 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; it is apparent that the described embodiments are only a part of the embodiments of the present application, not all of the embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the scope of protection of the present application.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Examples:

the embodiment of the application discloses voltage drop generator, please refer to fig. 1 and 2, including instrument casing 1, one side end of instrument casing 1 is provided with backplate 2, draw-in groove 3 has been run through to backplate 2's inner chamber, draw-in groove 3's inner wall joint has display screen 4, display screen 4's an end fixedly connected with screen seat 5, screen seat 5 is located backplate 2's inside wall, and screen seat 5's four corners department all is provided with firm subassembly through mounting bolt fixed mounting in backplate 2's inside wall, screen seat 5's outside, and firm subassembly sets up in instrument casing 1's inboard, instrument casing 1 bottom's four corners department equal fixed mounting has the locking universal wheel, be provided with button and a plurality of interfaces on backplate 2, and the button is located one side of draw-in groove 3.

Referring to fig. 2 and 3, the stabilizing assembly includes a movable plate 6 located at the outer side of the middle of the screen seat 5, the movable plate 6 is in a "U" -shaped frame structure, an inner cavity in the middle of the movable plate 6 is in through-type screwed connection with a bolt member 7, a contact piece 8 is fixedly mounted at a threaded end on one side of the bolt member 7, two limit structures 9 are symmetrically arranged at two side edges of the screen seat 5, a plurality of anti-slip grooves are uniformly formed in the circumference of an outer wall of a non-threaded end on one side of the bolt member 7, which is away from the contact piece 8, an anti-slip rubber pad is fixedly mounted on one end surface of the contact piece 8, which is away from the display screen 4, and one end surface of the contact piece 8 is in contact with one side surface of the screen seat 5, which is away from the display screen 4, through the anti-slip rubber pad;

the limit structure 9 comprises a fixed strip 10 fixedly mounted on the inner side wall of the backboard 2, a sliding groove 11 is formed in one end face of the fixed strip 10, a sliding rod 12 is fixedly mounted on the inner wall of the sliding groove 11, the sliding rod 12 penetrates through the inner cavity of one side end of the movable plate 6, a first magnetic block 13 is fixedly mounted at the joint of one side outer wall of the sliding rod 12 and one side inner wall of the sliding groove 11, a second magnetic block 14 is arranged on one side face of the first magnetic block 13, the second magnetic block 14 is fixedly mounted on the surface of one side end of the movable plate 6, the inner cavity of the second magnetic block 14 is movably sleeved with the sliding rod 12, the first magnetic block 13 and the second magnetic block 14 are made of a magnet body material, and one ends, opposite to the first magnetic block 13 and the second magnetic block 14, are in opposite polarity and are in a mutual attraction state.

Referring to fig. 1 and 4, the inside of the instrument housing 1 and the back plate 2 includes a metal body layer 15, a sealing layer 16 is provided on an outer wall of the metal body layer 15, an insulating outer layer 17 is provided on an outer wall of the sealing layer 16, a paint surface layer 18 is provided on an outer wall of the insulating outer layer 17, the sealing layer 16 is made of epoxy resin plastid material, the insulating outer layer 17 is made of environment-friendly insulating plastic material, and the thickness of the insulating outer layer 17 is consistent with that of the sealing layer 16;

the sealing layer 16 and the insulating outer layer 17 are included in the inner component structures of the instrument shell 1 and the backboard 2, so that the insulation effect of the instrument shell 1 and the backboard 2 in the use process can be effectively ensured under the action of the epoxy resin plastid material and the environment-friendly insulating plastic material of the instrument shell, and the use safety performance of the whole equipment is improved.

The implementation principle of the embodiment is as follows: when the voltage drop test device is used, the whole is in a complete assembly state, the voltage drop generator function of the whole can be utilized, the test work of the voltage drop event resistance capability of equipment and a system can be realized, and the data reacted in the test process can be observed through the display screen 4;

when the display screen 4 and the screen seat 5 are in a working assembly state, the outer end of the display screen 4 and the clamping groove 3 are in a clamping state, the screen seat 5 is positioned and installed on the inner side wall of the back plate 2 by using the mounting bolts, the movable plate 6 is positioned on the outer side of the middle of the movable plate, the contact piece 8 is in contact with the surface of the screen seat 5 by using the bolt pieces 7, at the moment, the two groups of first magnetic blocks 13 are respectively in a suction state with the two groups of second magnetic blocks 14, the reinforcement effect on the installation stability of the display screen 4 and the screen seat 5 is realized, and when the display screen 4 and the screen seat 5 are required to be disassembled and maintained, the movable plate 6 can be continuously disassembled for the two by transversely moving the movable plate 6 as a whole when the contact piece 8 is driven by using the bolt pieces 7 to be far away.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Voltage sag generator, including instrument housing (1), its characterized in that: one side of instrument housing (1) is provided with backplate (2), draw-in groove (3) have been run through to the inner chamber of backplate (2), the inner wall joint of draw-in groove (3) has display screen (4), a terminal surface fixedly connected with screen seat (5) of display screen (4), screen seat (5) are located the inside wall of backplate (2), and the four corners department of screen seat (5) all is provided with firm subassembly through mounting bolt fixed mounting in the inside wall of backplate (2), the outside of screen seat (5) is provided with firm subassembly, and firm subassembly sets up in the inboard of instrument housing (1), the equal fixed mounting in four corners department of instrument housing (1) bottom has the locking universal wheel, be provided with button and a plurality of interfaces on backplate (2), and the button is located a side of draw-in groove (3).

2. The voltage sag generator of claim 1 wherein: the utility model provides a firm subassembly is including being located fly leaf (6) in screen seat (5) middle part outside, fly leaf (6) are "U" font support body structure, and the inner chamber at fly leaf (6) middle part run through the spiro union has bolt spare (7), the screw thread end fixed mounting of bolt spare (7) one side has contact patch (8), the both sides end of fly leaf (6) all is provided with limit structure (9), two sets of limit structure (9) symmetry set up in the both sides limit of screen seat (5).

3. The voltage sag generator of claim 2 wherein: a plurality of anti-slip grooves are uniformly formed in the circumference of the outer wall of the non-threaded end of one side, deviating from the contact piece (8), of the bolt piece (7), an anti-slip rubber pad is fixedly arranged on one end face, deviating from the bolt piece (7), of the contact piece (8), and one end face, deviating from the display screen (4), of the contact piece (8) is abutted to one side, deviating from the display screen (4), of the screen seat (5) through the anti-slip rubber pad.

4. The voltage sag generator of claim 2 wherein: limit structure (9) are including fixed mounting in fixed strip (10) of backplate (2) inside wall, spout (11) have been seted up to one end face of fixed strip (10), the inner wall fixed mounting of spout (11) has slide bar (12), slide bar (12) run through the activity and cup joint in the inner chamber of fly leaf (6) one side end, and the junction fixed mounting of slide bar (12) one side outer wall and spout (11) one side inner wall has first magnetic path (13), one side of first magnetic path (13) is equipped with second magnetic path (14), second magnetic path (14) fixed mounting is in the surface of fly leaf (6) one side end, and the inner chamber of second magnetic path (14) and slide bar (12) activity cup joint.

5. The voltage sag generator of claim 4 wherein: the first magnetic block (13) and the second magnetic block (14) are made of a magnetoresite material, and one ends of the first magnetic block (13) and the second magnetic block (14) opposite to each other are in opposite polarities and are in a mutually attracted state.

6. The voltage sag generator of claim 1 wherein: the inside of instrument casing (1) and backplate (2) all includes metal body layer (15), the outer wall of metal body layer (15) is provided with sealing layer (16), the outer wall of sealing layer (16) is provided with insulating skin (17), the outer wall of insulating skin (17) is provided with lacquer surface course (18).

7. The voltage sag generator of claim 6 wherein: the sealing layer (16) is made of epoxy resin plastid material, the insulating outer layer (17) is made of environment-friendly insulating plastic material, and the thickness of the insulating outer layer (17) is consistent with that of the sealing layer (16).