CN211831476U

CN211831476U - Electrical control box of wisdom blackboard

Info

Publication number: CN211831476U
Application number: CN202020656730.8U
Authority: CN
Inventors: 周雪松; 王彬; 汪海祥
Original assignee: Tibet Odin Electronic Technology Co ltd
Current assignee: Tibet Odin Electronic Technology Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-10-30
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses an electrical control box of wisdom blackboard belongs to education equipment technical field. The utility model discloses electrical control box, it is set up outside blackboard body, can reduce the thickness of blackboard body to a great extent, improve the space utilization in blackboard body back region, make the structure of blackboard body compacter; the main board, the OPS main board and the power panel are contained in the electric control box, and the front cover is movably connected to the shell of the electric control box, so that the main board, the OPS main board and the power panel can be exposed only by moving the front cover relative to the shell, and the overhauling and replacing efficiency is improved.

Description

Electrical control box of wisdom blackboard

Technical Field

The utility model relates to an education equipment technical field, more specifically say, relate to an electrical control box of wisdom blackboard.

Background

With the increasing popularization and importance of electronic intelligent products, the education industry is undergoing a profound technical change. Under the condition, the intelligent blackboard product is suitable for transport, has a completely exposed corner, and gradually replaces the original traditional blackboard.

At present, according to specific function needs, the wisdom blackboard can be single blackboard that has the display function, also can be that a plurality of display screens splice to form, or by display screen and clipboard splice to form. The core module for controlling the display screen comprises a mainboard, an OPS mainboard, a power panel and the like, and is usually fixed in an electrical control box; the electric control box is generally mounted in a rear frame of the blackboard body, for example, at a position near the side in the rear frame.

Usually, in the use of wisdom blackboard, when mainboard, OPS mainboard, the power strip to among the electrical control box overhauld or changed, need be with the whole dismantlement of blackboard body, perhaps need demolish the apron on the blackboard body at least, convenient inadequately. Especially when the both sides of display screen all are provided with the clipboard, can only lift off the clipboard that is close to electric control box one side, then take out mainboard, OPS mainboard, the power strip in the electric control box and maintain and change.

In order to solve the above problems, chinese patent application No. 2017202511867 discloses an electronic interactive blackboard based on a flip structure, which includes a middle blackboard, a side blackboard and an electrical control box; the side blackboard comprises a side frame and a blackboard main body, and the electric control box is arranged in the side frame; a hydraulic pushing mechanism is arranged in the side frame and comprises a hydraulic cylinder fixed on the wall, and a push rod of the hydraulic cylinder is connected onto the side frame; according to the electronic interactive blackboard based on the turnover structure, the hydraulic cylinder in the side blackboard can enable the side blackboard to be turned over under the driving of the hydraulic cylinder, so that the electronic interactive blackboard can be realized only by turning over the side blackboard when an electric control box of the electronic interactive blackboard needs to be maintained.

However, the above scheme can only solve the problem of convenient replacement of the main board, the OPS main board and the power board in the electrical control box of the intelligent blackboard with the writing board arranged on at least one side of two sides of the display screen. In order to make things convenient for in the blackboard that singly has the display function, or the electrical control box of the wisdom blackboard that a plurality of display screens concatenation formed overhauls, chinese patent document with application number 2018103689071 discloses a module plug-in type electronic blackboard, the electronic blackboard of this application, set up the guide rail in blackboard main part, mainboard and OPS integration into integrative mainboard, power supply board and mainboard can directly peg graft and install in the guide rail, in installation and later maintenance in-process, can directly plug under the condition of not dismantling the apron and take out power supply board and mainboard.

However, due to the arrangement of the electric control box, the intelligent blackboard is thick, and after the guide rail for extracting the power panel and the main board is additionally arranged, the thickness of the intelligent blackboard is further increased, the utilization efficiency of the back space of the intelligent blackboard body is reduced, and the overall structure of the intelligent blackboard is not compact enough; in addition, for the intelligent blackboard with writing boards arranged on two sides of the display screen, the guide rail structure can only be arranged on the upper edge or the lower edge of the display screen, and under the action of the gravity of the power panel and the mainboard, when the guide rail structure is arranged on the upper edge of the display screen, the power panel and the mainboard are not easy to take out; when the guide rail structure sets up the lower limb at the display screen, power strip and mainboard deviate from easily.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to overcome the inside device of electrical control box of wisdom blackboard among the prior art and overhaul and change not convenient enough inadequately, provide an electrical control box of wisdom blackboard, it is set up outside the blackboard body, therefore only need open the protecgulum of electrical control box, can overhaul and change comparatively convenient to mainboard in the electrical control box, or the OPS mainboard, or the power strip.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses an electrical control box of an intelligent blackboard, which is arranged outside a blackboard body; the electrical control box comprises a shell, wherein a cavity is formed in the shell, and the cavity can accommodate at least one of a main board, an OPS main board and a power panel; a front cover is connected to the housing and is movable relative to the housing to at least partially expose the cavity.

Furthermore, a front opening is formed in the front side face of the shell, a rotating shaft is arranged at a position, corresponding to the front opening, on the shell, and the front cover is rotatably connected with the shell through the rotating shaft.

Further, the rotation shaft is disposed parallel to a front side surface of the housing.

Further, the rotation axis is disposed in parallel with a long side of the front side surface of the housing, or the rotation axis is disposed in parallel with a short side of the front side surface of the housing.

Furthermore, the front cover comprises two cover plates, and the two cover plates are symmetrically arranged on the front opening.

Furthermore, the front side surface of the shell is provided with a front opening; the front opening is provided with a notch, and the front cover is inserted into the front opening through the notch and is in sliding connection with the shell.

Furthermore, a limiting block is arranged on the side face, facing the cavity, of the front cover and used for limiting the maximum sliding distance of the front cover far away from the shell.

The utility model discloses an electrical control box of an intelligent blackboard, which is arranged outside a blackboard body; the electric control box comprises a shell, wherein a cavity is formed in the shell, and the cavity can contain at least one of a main board, an OPS main board and a cavity of a power supply board; the casing is provided with a front cover capable of covering the cavity, and the front cover is detachably connected with the casing.

Furthermore, a front opening is formed in the front side face of the shell, and the front cover is detachably connected to the front opening.

The utility model discloses an electrical control box of an intelligent blackboard, which is arranged outside a blackboard body; the electric control box comprises a base and a front cover detachably connected to the base, at least one of a main board, an OPS main board and a power panel is arranged on the base, and the front cover is provided with a cavity capable of covering the base.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses electrical control box, it is set up outside blackboard body, can reduce the thickness of blackboard body to a great extent, improve the space utilization in blackboard body back region, make the structure of blackboard body compacter; the main board, the OPS main board and the power panel are contained in the electric control box, and the front cover is movably connected to the shell of the electric control box, so that the main board, the OPS main board and the power panel can be exposed only by moving the front cover relative to the shell, and the overhauling and replacing efficiency is improved.

(2) In the utility model, the front side of the shell is provided with a front opening, the front opening is provided with a notch, and the front cover is inserted into the front opening through the notch and is connected with the shell in a sliding way, so that the mainboard, the OPS mainboard and the power panel can be exposed only by sliding the front cover relative to the shell; the side of the front cover facing the cavity is provided with a limiting block, and the limiting block is used for limiting the maximum sliding distance of the front cover away from the shell and preventing the shell from falling off from the front opening when sliding.

(3) The utility model discloses an electrical control box, the front side of the shell of which is provided with a front opening, the shell is provided with a front cover which can cover the cavity, and the front cover is detachably connected with the shell; or a front cover is detachably connected to the base of the power supply module, and the front cover is provided with a cavity for accommodating the mainboard, the OPS mainboard and the power supply board. Therefore, when the main board, the OPS main board and the power panel are overhauled and replaced, only the front cover and the shell or the front cover and the base are detached.

Drawings

FIG. 1 is a schematic structural view of a middle-dual intelligent blackboard of the present invention;

FIG. 2 is a schematic structural view of a three-piece intelligent blackboard according to the present invention;

FIG. 3 is a schematic view showing a connecting structure of the front cover and the housing in embodiment 1;

FIG. 4 is a schematic view showing another connecting structure of the front cover and the housing in embodiment 1;

FIG. 5 is a schematic view showing still another connecting structure of the front cover and the housing in embodiment 1;

FIG. 6 is a schematic structural view of a patch area on a front cover in embodiment 1;

FIG. 7 is a schematic view showing the structure of a liquid crystal panel provided on a front cover in embodiment 1;

FIG. 8 is a schematic view of a mounting structure of the electrical control box in embodiment 1;

FIG. 9 is a schematic view showing a connecting structure of a front cover and a housing in embodiment 2;

FIG. 10 is a schematic view showing a connecting structure of a front cover and a housing in embodiment 3;

fig. 11 is a schematic view of a connecting structure of the front cover and the base in embodiment 3.

The reference numerals in the schematic drawings illustrate: 100. an electrical control box; 101. a housing; 102. a front cover; 103. a base; 104. hanging a pasting area; 105. a heat dissipation area; 106. hanging holes; 107. an LED screen; 108. a liquid crystal screen; 110. an OPS mainboard; 120. a main board; 130. a power panel; 200. a display screen; 300. a writing board.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose. In addition, the terms "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Referring to fig. 1 and 2, the intelligent blackboard integrating a display function and a writing function generally includes at least one display screen 200, for example, more than two display screens 200 may be formed by splicing. The display screen 200 can be used as a display device, and can also be written by using common chalk and a white board pen; the display screen 200 may also have touch control functions, such as infrared touch control, or capacitive touch control.

In addition, the writing board 300 may be spliced on the display screen 200, thereby expanding the writing range of the intelligent blackboard. The writing board 300 can be spliced on one side of the display screen 200 to form a display screen and writing board double-spliced intelligent blackboard; referring to fig. 3, the writing boards 300 may be spliced on both sides of the display screen 200 to form a display screen and writing board triple-spliced intelligent blackboard.

Generally, the OPS board 110, the main board 120, and the power board 130, which are the display control core of the display panel 200, are fixed in the electric control box 100, and the electric control box 100 is mounted in the rear frame of the smart blackboard. Because OPS mainboard 110, mainboard 120 and power strip 130 are all encapsulated inside the wisdom blackboard, and the wisdom blackboard generally articulates on the loading end in the use, and this loading end specifically can be the wall in classroom, therefore need dismantle the frame of wisdom blackboard when overhauing or changing, then take out electrical control box 100 and overhaul and change OPS mainboard 110, mainboard 120 and power strip 130 wherein, the process is complicated, and is not convenient enough.

The OPS motherboard 110 specifically refers to a computer module control board, and the motherboard 120 may be a PCB board for implementing the display function of the display screen 200; one end of the OPS motherboard 110 may be exposed at the edge of the electrical control box 100, so as to provide a plurality of physical ports, such as HDMI (high definition multimedia interface), RJ45 (network data transmission interface), VGA (video interface), USB interface, and the other end of the OPS motherboard 110 is connected to the unit and other lines in the intelligent blackboard main body for transmitting LVDS signals and USB signals; the power board 130 is used for supplying power to each component after adjusting an external power supply.

It should be noted that, the OPS main board 110, the main board 120 and the power board 130 in the present embodiment may all adopt components commonly used in the related art, and the specific structure, the circuit composition and the form of electrical connection therebetween are not regarded as the improvement content of the present embodiment, so there is no specific limitation, and the related content is not described in detail in the present embodiment.

In the present embodiment, in order to facilitate the maintenance and replacement operations of the OPS motherboard 110, the motherboard 120, and the power board 130, the electrical control box 100 for accommodating the OPS motherboard 110, the motherboard 120, and the power board 130 is disposed outside the blackboard body of the smart blackboard, specifically, is accommodated in a cavity of the electrical control box 100, and the electrical control box 100 is electrically connected to the blackboard body through a circuit, and particularly, the electrical control box 100 is electrically connected to the display screen 200. Therefore, the intelligent blackboard of the embodiment can simplify the maintenance and replacement processes of the OPS main board 110, the main board 120 and the power board 130 by externally arranging the electrical control box 100 without affecting the normal use of the intelligent blackboard, and can make the structure of the blackboard body more compact, thereby greatly reducing the thickness of the blackboard body.

In addition, in some embodiments, only one or two of the OPS motherboard 110, the motherboard 120 and the power board 130, the OPS motherboard 110 not housed in the electric control box 100, or the motherboard 120 or the power board 130 may be housed in the same electric control box 100, and may be disposed at the back of the blackboard body, or may be disposed in other electric control boxes 100.

Of course, after the electrical control box 100 and the blackboard main body are separately opened, the integrated structure of the intelligent blackboard is damaged, resulting in that the overall intelligent blackboard is not beautiful enough. Therefore, as a further improvement, it is possible to dispose the electric control box 100 above the blackboard body and locate the electric control box 100 at the middle position of the blackboard body, i.e., to make the distances from the center point of the electric control box 100 to the two upper corners of the blackboard body equal.

Example 1

In this embodiment, in order to facilitate the maintenance and replacement of the OPS motherboard 110, the motherboard 120 and the power board 130, a side surface of the electrical control box 100 opposite to the bearing surface can rotate relative to the housing 101 of the electrical control box 100, so that when the electrical control box 100 is in an open state, the cavity is exposed, and the OPS motherboard 110, the motherboard 120 and the power board 130 in the cavity can be exposed to the electrical control box 100.

Referring to fig. 3 to 5, as an embodiment, a front opening may be formed in a front side surface of the housing 101, and a rotation shaft may be provided in the front opening, and an axial direction of the rotation shaft may be parallel to the receiving surface. When the electrical control box 100 is opened, the side of the electrical control box 100 opposite to the bearing surface is rotated, specifically turned over, relative to the housing 101, and then the OPS motherboard 110, the motherboard 120, and the power board 130 in the electrical control box 100 are repaired and replaced.

Specifically, referring to fig. 3, the axial direction of the rotating shaft may be parallel to the longitudinal direction of the housing 101, i.e., the axial direction of the rotating shaft is the left-right direction in fig. 3, so that the front cover 102 can be flipped up and down with respect to the housing 101; referring to fig. 5, the axial direction of the rotary shaft may be parallel to the short side direction of the case 101, i.e., the axial direction of the rotary shaft is the up-down direction in fig. 3, so that the front cover 102 can be flipped left and right with respect to the case 101; referring to fig. 4, two rotation shafts may be provided, and the two rotation shafts are respectively provided on the left frame and the right frame of the casing 101, and meanwhile, the front cover 102 adopts a split type arrangement, that is, one cover plate is connected to each rotation shaft, and the two cover plates are symmetrically provided.

As another embodiment, one or more of the OPS motherboard 110, the motherboard 120 and the power board 130 may be directly disposed on the front cover 102, specifically, on the inner side wall of the front cover 102.

Further, referring to fig. 6, a hanging area may be provided on the side of the front cover 102 facing away from the carrying surface so that a banner or banner may be placed on the electrical control box 100, or a clock may be placed. The improved mode not only saves the using space of the bearing surface, but also covers the electrical control box 100, so that the electrical control box 100 does not appear to be obtrusive, and the integral attractiveness of the intelligent blackboard is improved.

Referring to fig. 7, an LED screen 107 and a liquid crystal screen 108 may also be provided on the front cover 102 for displaying information such as time, weather forecast, lesson information, notice, and the like.

Referring to fig. 8, a hanging structure may be disposed on the housing 101, so as to realize the hanging between the electrical control box 100 and the carrying surface. Specifically, the housing 101 may be provided with a hanging hole 106 on a side surface facing the carrying surface. The shape of the hanging hole 106 may be an 8-shaped through hole or a gourd-shaped through hole, so that the electrical control box 100 is fixed to the bearing surface after the electrical control box 100 is hung on the bearing surface. The hooking holes 106 may be provided in plural, for example, in four. When the number of the hooking holes 106 is set to four, the four hooking holes 106 may be respectively located at four vertices of the same rectangle.

In order to improve the heat dissipation effect of the electrical control box 100, a heat dissipation structure may be provided on the housing 101. Specifically, in the electrical control box 100 of the present embodiment, heat dissipation holes may be formed on a side surface of the casing 101 perpendicular to the bearing surface, such as an upper side surface, a lower side surface, a left side surface and a right side surface of the casing 101; referring to fig. 8, a heat dissipation area 105 may also be disposed on a side surface of the housing 101 facing the bearing surface, and the heat dissipation area 105 is formed by arranging a plurality of heat dissipation holes in an array.

Example 2

Referring to fig. 9, in the present embodiment, a front opening is opened on a front side surface of the housing 101, and a notch is provided on the front opening, and the front cover 102 can be inserted into the front opening from the notch and is slidably connected to the housing 101.

Specifically, a sliding groove may be formed in a side wall of the housing 101 at a position corresponding to the front opening, and after the front cover 102 is inserted into the notch, an edge of the front cover 102 may be clamped in the sliding groove, so that the front cover 102 can slide along the sliding groove. In addition, a plurality of protruding points can be arranged on the side wall of the casing 101, and the protruding points are arranged in a staggered manner, so that the protruding points can be matched with each other to clamp the front cover 102, and the front cover 102 can slide relative to the casing 101.

After the front cover 102 completely covers the cavity, the front cover 102 can be fixedly connected to the housing 101 by using a connecting bolt.

As a further optimization, a side of the front cover 102 facing the cavity may be provided with a stopper for limiting a maximum sliding distance of the front cover 102 away from the housing 101, so as to prevent the front cover 102 from falling off from the housing 101 during sliding.

Example 3

Referring to fig. 10 and 11, in the present embodiment, the electrical control box 100 may be formed by detachably connecting the front cover 102 and the housing 101, or by detachably connecting the front cover 102 and the base 103, so that the front cover 102 may be removed when the OPS board 110, the main board 120, and the power board 130 in the electrical control box are repaired or replaced.

Referring to fig. 10, the electrical control box 100 may include a housing 101 and a front cover 102, the housing 101 has a cavity for accommodating the OPS board 110, the main board 120 and the power board 130, and the front cover 102 is connected to the housing 101 to completely cover the cavity. The front cover 102 is detachably connected to the housing 101, such as by bolts or by snaps.

Specifically, a front opening may be formed on the front side surface of the housing 101, the front cover 102 may be detachably connected to the front opening, and the OPS board 110, the main board 120, and the power board 130 may be exposed from the front opening, so that maintenance is facilitated.

Referring to fig. 11, the electrical control box 100 may also include a front cover 102 and a base 103, the OPS board 110, the main board 120 and the power board 130 are fixedly connected to the base 103, the front cover 102 has a cavity, and after the front cover 102 and the base 103 are connected, the cavity of the front cover 102 can cover the OPS board 110, the main board 120 and the power board 130 on the base 103. The front cover 102 and the base 103 are detachably connected, such as by bolts or by snaps.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides an electrical control box of wisdom blackboard which characterized in that: the electric control box is arranged outside the blackboard body; the electrical control box comprises a shell, wherein a cavity is formed in the shell, and the cavity can accommodate at least one of a main board, an OPS main board and a power panel; a front cover is connected to the housing and is movable relative to the housing to at least partially expose the cavity.

2. The electrical control box of the intelligent blackboard according to claim 1, characterized in that: the front side of the shell is provided with a front opening, a rotating shaft is arranged at a position on the shell corresponding to the front opening, and the front cover is rotatably connected with the shell through the rotating shaft.

3. The electrical control box of the intelligent blackboard according to claim 2, characterized in that: the rotation shaft is disposed parallel to the front side surface of the housing.

4. The electrical control box of the intelligent blackboard according to claim 3, characterized in that: the rotation axis is parallel to the long side of the front side of the housing, or the rotation axis is parallel to the short side of the front side of the housing.

5. The electrical control box of the intelligent blackboard according to claim 3, characterized in that: the front cover comprises two cover plates, and the two cover plates are symmetrically arranged on the front opening.

6. The electrical control box of the intelligent blackboard according to claim 1, characterized in that: the front side surface of the shell is provided with a front opening; the front opening is provided with a notch, and the front cover is inserted into the front opening through the notch and is in sliding connection with the shell.

7. The electrical control box of the intelligent blackboard according to claim 6, characterized in that: the front cover faces the side face of the cavity, a limiting block is arranged on the side face of the cavity and used for limiting the maximum sliding distance of the front cover away from the shell.

8. The utility model provides an electrical control box of wisdom blackboard which characterized in that: the electric control box is arranged outside the blackboard body; the electric control box comprises a shell, wherein a cavity is formed in the shell, and the cavity can contain at least one of a main board, an OPS main board and a cavity of a power supply board; the casing is provided with a front cover capable of covering the cavity, and the front cover is detachably connected with the casing.

9. The electrical control box of the intelligent blackboard according to claim 8, wherein: the front side of the shell is provided with a front opening, and the front cover is detachably connected to the front opening.

10. The utility model provides an electrical control box of wisdom blackboard which characterized in that: the electric control box is arranged outside the blackboard body; the electric control box comprises a base and a front cover detachably connected to the base, at least one of a main board, an OPS main board and a power panel is arranged on the base, and the front cover is provided with a cavity capable of covering the base.