CN212210476U

CN212210476U - Three-phase combined overvoltage protection device

Info

Publication number: CN212210476U
Application number: CN202021100275.XU
Authority: CN
Inventors: 杨丽岩
Original assignee: Beijing Dianliangang Electrical Equipment Co ltd
Current assignee: Beijing Dianliangang Electrical Equipment Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2020-12-22
Anticipated expiration: 2030-06-15

Abstract

The utility model belongs to the technical field of three-phase combined overvoltage protection, in particular to a three-phase combined overvoltage protection device, which comprises a device main body, a display screen, keys and a connecting plate, wherein the display screen and the keys are arranged on the front surface of the device main body, marks are arranged on the surfaces of the keys, the connecting plate is arranged below the device main body, a protective plate is arranged on the front side of the display screen, a press sheet is arranged on the front side of the keys, when a person presses the keys to control the operation by using fingers, the protective plate arranged on the front side of the display screen and an anti-scraping film attached on the surface of the display screen are utilized to play a better protective role on the part of the display screen, meanwhile, a protective shell fixed by using a fastener is utilized outside the connecting plate, when the connecting plate is protected, the person can conveniently detach the protective shell, the high-efficiency and stable use and operation of the three-phase combined overvoltage protector device are ensured.

Description

Three-phase combined overvoltage protection device

Technical Field

The utility model belongs to the technical field of the combined overvoltage protection of three-phase, concretely relates to combined overvoltage protection device of three-phase.

Background

The three-phase combined overvoltage protector is also called three-phase combined overvoltage protector, is a novel overvoltage protector, is mainly used in power grids of power generation, power supply and power utilization enterprises, used for protecting electrical equipment such as transformers, switches, buses, motors and the like, can limit atmospheric overvoltage and operation overvoltage caused by various switches, can play a reliable role in limiting the overvoltage between phases and relative to the ground, and the prior three-phase combined overvoltage protector device can play a reliable role in limiting the overvoltage between phases and relative to the ground, the mark on the surface of the upper key is easy to be worn by the direct contact and pressing of fingers for a long time, which affects the observation and operation of operators, and the exterior of the display screen portion and the connection plate portion is not provided with corresponding protective members, safety is low, practicality is poor, to a certain extent, the high-efficiency usability of the three-phase combined overvoltage protector device is reduced.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a three-phase combination formula overvoltage protector, the difficult wearing and tearing of mark on the utensil button and to the characteristics that display screen part and connecting plate part branch possess better protecting effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a three-phase combination formula overvoltage protector, includes device main part, display screen, button and connecting plate, the display screen with the button is all located the front surface of device main part, the button be equipped with the mark on the surface, the connecting plate is installed the below of device main part, the front side of display screen is provided with the guard plate, the guard plate with connect through card connecting piece block between the device main part, the guard plate set up flutedly on the surface, in the recess with a plurality of the position department of button one-to-one is provided with the button, the button with guard plate formula structure as an organic whole, the outside of connecting plate is provided with protective housing, protective housing with through fastener fixed connection between the device main part.

As the utility model discloses a preferred technical scheme of three-phase combination formula overvoltage protector, the card is even including draw-in groove and a card strip, and the draw-in groove is located the side wall of device main part, the size of a card strip and the size phase-match in the draw-in groove, and the top of a card strip and bottom integrated into one piece respectively have the piece of kneading with the fingers and the inserted block.

As the utility model discloses a preferred technical scheme of three-phase combination formula overvoltage protector, the guard plate with be the high strength transparent plastic component according to the piece, just the display screen adhere on the surface and have the scratch-resistant film.

As the utility model discloses a preferred technical scheme of three-phase combination formula overvoltage protector, the slot has been seted up with the corresponding position department of inserted block to the inside and inserted block of device main part, and the bonding has the rubber layer on the table wall of inserted block.

As the utility model discloses a preferred technical scheme of three-phase combination formula overvoltage protector, the fastener is the fastening screw component, be equipped with on the protective housing with fastener assorted is perforated.

As the utility model discloses a preferred technical scheme of three-phase combination formula overvoltage protector, the piece of kneading dough distributes on the surface has anti-skidding line.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses when using, the piece of pressing that is equipped with through the button front side, can utilize the finger to press when key control operation at personnel, play better guard action to the part of mark, the condition that effectively prevents to point for a long time direct contact and lead to the mark wearing and tearing takes place, the guard plate that utilizes the display screen front side to be equipped with and the display screen anti-scratch film of laminating on the surface, there is better guard action to the part of display screen, simultaneously utilize the fixed protective housing of fastener through the connecting plate outside, when protecting the connecting plate, also be convenient for personnel pull down protective housing, carry out corresponding wiring processing to connecting plate department, make the normal orderly the going on of three-phase combination formula overvoltage protection process, the high-efficient stable operation to three-phase overvoltage protector device has been guaranteed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a main body part of an apparatus in embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a main body part of an apparatus in embodiment 2 of the present invention;

fig. 3 is a schematic structural view of a shield plate portion in embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a shield plate portion in embodiment 2 of the present invention;

fig. 5 is an enlarged structural diagram at a in fig. 1 and 2.

In the figure: 1. a device main body; 2. a display screen; 3. pressing a key; 4. marking; 5. a protection plate; 6. a clamping connection piece; 61. a card slot; 62. a first card strip; 63. a second card strip; 7. kneading the sheet; 8. a slot; 9. a groove; 10. pressing a sheet; 11. a connecting plate; 12. a protective housing; 13. inserting a block; 14. a fastener; 15. and (6) perforating.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, fig. 3 and fig. 5, the present invention provides the following technical solutions: a three-phase combined overvoltage protection device comprises a device main body 1, a display screen 2, keys 3 and a connecting plate 11, wherein the display screen 2 and the keys 3 are arranged on the front surface of the device main body 1, marks 4 are arranged on the surfaces of the keys 3, the connecting plate 11 is arranged below the device main body 1, a protective plate 5 is arranged on the front side of the display screen 2, the protective plate 5 is connected with the device main body 1 through a clamping piece 6 in a clamping way, a groove 9 is formed in the surface of the protective plate 5, press pieces 10 are arranged in the groove 9 at positions corresponding to a plurality of keys 3 one by one, the press pieces 10 and the protective plate 5 are of an integrated structure, a protective shell 12 is arranged outside the connecting plate 11, the protective shell 12 is fixedly connected with the device main body 1 through a fastening piece 14, in the embodiment, corresponding connecting components and application components are utilized to enable the three-phase combined overvoltage protection process to, the high-efficiency and stable use and operation of the three-phase combined overvoltage protector device are ensured.

Specifically, card even 6 includes draw-in groove 61 and a card strip 62, and the side wall of device main part 1 is located to draw-in groove 61, the size phase-match in a size of card strip 62 and the draw-in groove 61, and the top and the bottom of a card strip 62 integrated into one piece have respectively piece 7 and inserted block 13 of kneading with the fingers, and in this embodiment, a cross-section of card strip 62 is L shape structure, and a card strip 62 is in the grafting effect that corresponds in the draw-in groove 61, provides better supplementary stable effect for guard plate 5.

Specifically, guard plate 5 and according to piece 10 and be high strength transparent plastic component, and the bonding has the scratch-resistant membrane on the surface of display screen 2, and in this embodiment, the normal observation operation process of personnel has been guaranteed in the design of high strength transparent plastic component.

Specifically, the slot 8 has been seted up to the inside position department corresponding with the inserted block 13 of device main part 1, and the bonding has the rubber layer on the table wall of inserted block 13, and in this embodiment, the rubber layer has played better extrusion friction effect, has guaranteed the solid nature of inserting of inserted block 13.

Specifically, fastener 14 is the fastening screw component, is equipped with on protective housing 12 with 14 assorted perforation 15 of fastener, in this embodiment, perforation 15's design cooperation fastener 14 existence, the personnel of being convenient for carry out quick dismouting operation to protective housing 12 to be equipped with on the protective housing 12 bottom surface with connecting wire assorted line hole.

Specifically, distribute on the surface of the piece 7 of kneading the hands and have anti-skidding line, in this embodiment, the existence of anti-skidding line has effectively prevented that personnel from kneading the piece 7 and producing the phenomenon of taking off the hand by hand, possesses better stability when making the piece 7 partial pull of kneading the hands.

Example 2

Referring to fig. 2, 4 and 5, a three-phase combined overvoltage protection device includes a device main body 1, a display screen 2, keys 3 and a connection board 11, the display screen 2 and the keys 3 are both disposed on the front surface of the device main body 1, marks 4 are disposed on the surfaces of the keys 3, the connection board 11 is mounted below the device main body 1, a protection board 5 is disposed on the front side of the display screen 2, the protection board 5 is connected with the device main body 1 by a snap-in connector 6, a groove 9 is disposed on the surface of the protection board 5, press pieces 10 are disposed in the groove 9 at positions corresponding to the keys 3, the press pieces 10 and the protection board 5 are of an integral structure, a protection housing 12 is disposed outside the connection board 11, the protection housing 12 is fixedly connected with the device main body 1 by a fastener 14, in the present embodiment, a three-phase combined overvoltage protection process is normally and orderly performed by using corresponding connection components and application components, the high-efficiency and stable use and operation of the three-phase combined overvoltage protector device are ensured.

Specifically, card even 6 includes draw-in groove 61 and No. two card strips 63, and the side wall of device main part 1 is located to draw-in groove 61, and the size phase-match in the size of No. two card strips 63 and the draw-in groove 61, and No. two card strips 63's top and bottom integrated into one piece have respectively and hold between the fingers piece 7 and inserted block 13, and in this embodiment, No. two card strips 63's cross-section is T shape structure, and No. two card strips 63 are in the grafting effect that corresponds in the draw-in groove 61, provide better supplementary stable effect for guard plate 5.

The utility model discloses a theory of operation and use flow: in the using process of the utility model, when the part of the protection plate 5 needs to be assembled, the part of the first card strip 62 or the second card strip 63 on the card connecting piece 6 is aligned with the matched clamping groove 61 and inserted into the clamping groove, wherein the part of the insertion block 13 is inserted into the corresponding slot 8 in the device main body 1, the rubber layer arranged on the outer wall of the insertion block 13 plays a good role in extrusion stabilization, thereby completing the rapid assembly operation of the protection plate 5, and being convenient for the later period detachment, the personnel press the part of the pressing sheet 10 to control and operate the key 3, the pressing sheet 10 plays a good role in protecting the part of the mark 4, thereby effectively preventing the abrasion of the mark 4 caused by the direct contact of fingers for a long time, and the anti-scraping films attached on the surfaces of the protection plate 5 and the display screen 2 have a good protection effect on the part of the display screen 2, and when the connecting line on the connection plate 11 needs to be processed, directly to 14 spin-offs from protective housing 12 of fastener, can separate protective housing 12 and device main part 1 to carry out the rapid draing operation to the connecting wire, protective housing 12 also plays better outside safeguard effect in the outside of connecting plate 11 simultaneously, makes the normal orderly the going on of three-phase combination formula overvoltage protection process, has guaranteed the high-efficient stable operation to three-phase combination formula overvoltage protector device.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a three-phase combination formula overvoltage protector, includes device main part (1), display screen (2), button (3) and connecting plate (11), its characterized in that: the display screen (2) and the keys (3) are arranged on the front surface of the device main body (1), the surface of the key (3) is provided with a mark (4), the connecting plate (11) is arranged below the device main body (1), a protection plate (5) is arranged on the front side of the display screen (2), the protection plate (5) is connected with the device main body (1) in a clamping way through a clamping piece (6), the surface of the protection plate (5) is provided with a groove (9), the positions in the groove (9) corresponding to the plurality of keys (3) one by one are provided with press sheets (10), the pressing sheet (10) and the protection plate (5) are of an integrated structure, a protection shell (12) is arranged outside the connecting plate (11), the protective shell (12) is fixedly connected with the device main body (1) through a fastener (14).

2. A three-phase combined overvoltage protection device according to claim 1, characterized in that: even piece (6) of card include draw-in groove (61) and card strip (62), and draw-in groove (61) are located the side wall of device main part (1), the size phase-match in size and draw-in groove (61) of card strip (62), and the top and the bottom of card strip (62) integrated into one piece respectively have piece (7) and inserted block (13) of kneading with the fingers.

3. A three-phase combined overvoltage protection device according to claim 1, characterized in that: the protection plate (5) and the pressing sheet (10) are both high-strength transparent plastic components, and the surface of the display screen (2) is adhered with a scratch-resistant film.

4. A three-phase combined overvoltage protection device according to claim 1, characterized in that: the device is characterized in that a slot (8) is formed in the position, corresponding to the insertion block (13), in the device main body (1), and a rubber layer is bonded on the surface wall of the insertion block (13).

5. A three-phase combined overvoltage protection device according to claim 1, characterized in that: the fastener (14) is a fastening screw component, and the protective shell (12) is provided with a through hole (15) matched with the fastener (14).

6. A three-phase combined overvoltage protection device according to claim 2, characterized in that: and anti-skid grains are distributed on the surface of the kneading sheet (7).