CN211831545U - External electrical control box and wisdom blackboard - Google Patents

Abstract

The utility model discloses an external electrical control box and wisdom blackboard belongs to education equipment technical field. The electric control box of the utility model is arranged outside the blackboard body, which can reduce the thickness of the blackboard body to a greater extent, improve the space utilization rate of the back area of the blackboard body and make the structure of the blackboard body more compact; the electric control box is provided with a matching structure of the mounting seat and the guide rail, wherein the mounting seat is convenient for the main board, the OPS main board and the power panel to take out, so that the steps of overhauling and replacing the main board, the OPS main board and the power panel in the electric control box are simplified, and the overhauling and replacing efficiency is improved. The utility model discloses a wisdom blackboard, its OPS mainboard, mainboard and power strip set up in the electrical control box outside the blackboard body, therefore its whole thickness of blackboard body is thinner, compact structure.

Description

External electrical control box and wisdom blackboard

Technical Field

The utility model relates to an education equipment technical field, more specifically say, relate to an external electrical control box and 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 a wisdom blackboard, its electrical control box sets up outside blackboard body to only need extract the mount pad, can overhaul and change comparatively conveniently 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:

an external electric control box is arranged outside a blackboard body of an intelligent blackboard; the electric control box is internally provided with a guide rail, the guide rail is provided with at least one mounting seat in a sliding manner, and the mounting seat is used for mounting at least one of a main board, an OPS main board and a power panel.

Further, the main board, the OPS main board and the power board are assembled into an integral structure and disposed on the mounting seat.

Further, the mounting seats are provided in two, the main board and the OPS main board are assembled into an integral structure and provided on one of the two mounting seats, and the power supply board is provided on the other of the two mounting seats.

Further, the installation seats are three, and the main board, the OPS main board and the power panel are arranged on different installation seats.

Further, the electrical control box is provided with a mounting opening, and the mounting seat is inserted into/drawn out of the electrical control box from the mounting opening.

Furthermore, the mounting seat is provided with a limiting part, and the limiting part is used for limiting the maximum moving distance of the mounting seat towards the electric control box.

Further, be provided with the bolt hole on the spacing portion: and after the mounting seat is inserted into the electrical control box from the mounting opening, the connecting bolt penetrates through the bolt hole, and the limiting part of the mounting seat is fixedly connected with the shell of the electrical control box.

Further, the mounting opening is formed in a lower frame of the housing of the electrical control box or in a side frame of the housing of the electrical control box.

Furthermore, the mainboard, the OPS mainboard and the power panel are detachably connected with the mounting seat.

The utility model discloses a wisdom blackboard, it includes the blackboard body, and establishes electrical control box outside the blackboard body, electrical control box is foretell electrical control box.

3. Advantageous effects

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

(1) the electric control box of the utility model is arranged outside the blackboard body, which can reduce the thickness of the blackboard body to a greater extent, improve the space utilization rate of the back area of the blackboard body and make the structure of the blackboard body more compact; the electric control box is provided with a matching structure of the mounting seat and the guide rail, wherein the mounting seat is convenient for the main board, the OPS main board and the power panel to take out, so that the steps of overhauling and replacing the main board, the OPS main board and the power panel in the electric control box are simplified, and the overhauling and replacing efficiency is improved.

(2) In the utility model, the electric control box is provided with an installation opening, and after the installation seat is inserted into the electric control box from the installation opening, the installation seat is matched with the guide rail to continuously slide in the electric control box; after the spacing portion of mount pad contacts and the stop motion with the casing of electrical control box, be connected the spacing portion of mount pad with the casing of electrical control box with connecting bolt to realize the fixed connection of mount pad and electrical control box, prevent that the mount pad from deviating from in the electrical control box in the use, also make things convenient for the maintenance and the change of mainboard, OPS mainboard and power strip on the mount pad simultaneously.

(3) The utility model discloses in, the installing port is seted up on the lower frame of the casing of electrical control box, perhaps sets up on the side frame of the casing of electrical control box, is connected for dismantling between mainboard, OPS mainboard and power strip and the mount pad, therefore when overhauing/changing mainboard, OPS mainboard and power strip, only need take the mount pad out from electrical control box, then tear open mainboard, OPS mainboard and power strip and mount pad and can accomplish, has further improved the efficiency of overhauing and changing.

(4) The utility model discloses a wisdom blackboard, it includes the blackboard body to and establish the electrical control box outside the blackboard body, be provided with the mount pad on the electrical box, OPS mainboard, mainboard and power strip set up on the mount pad, therefore can be through taking out the mount pad/insert in the casing of electrical control box, with the realization to the maintenance/change of OPS mainboard, mainboard and power strip, it is comparatively convenient.

Drawings

Fig. 1 is a schematic structural view of an electrical control box of the present invention;

fig. 2 is a schematic structural diagram of the separate arrangement of the OPS motherboard, the motherboard and the power board in the present invention;

FIG. 3 is a schematic structural view of the OPS main board and the main board of the present invention installed on the same mounting base;

fig. 4 is a schematic structural view of the middle mounting base of the present invention, in which an OPS motherboard, a motherboard, and a power board are simultaneously disposed;

FIG. 5 is a schematic view of the connection structure between the mounting base and the housing of the present invention;

FIG. 6 is a schematic view of the structure of the heat dissipation holes of the present invention;

FIG. 7 is a schematic structural view of the dual-spelling intelligent blackboard of the present invention;

fig. 8 is a schematic structural view of the three-piece intelligent blackboard of the present invention.

The reference numerals in the schematic drawings illustrate: 100. an electrical control box; 101. a housing; 102. a mounting seat; 103. a connecting bolt; 104. heat dissipation holes; 105. a heat dissipation area; 106. hanging holes; 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.

An 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 are spliced to form the intelligent blackboard. 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; the writing board 300 can be spliced on the left side and the right side of the display screen 200 to form a display screen and writing board three-spliced intelligent blackboard.

Generally, referring to fig. 1, an OPS board 110, a main board 120, and a power board 130, which are display control cores of a display panel 200, are fixed in an electric control box 100, and the electric control box 100 is mounted in a rear frame of an intelligent 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, and the electrical control box 100 is electrically connected to the blackboard body through a line, in particular, 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 other 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.

As a further improvement, a flag placing area or a banner placing area may be provided on the side of the electrical control box 100 opposite to the carrying surface, so that the electrical control box 100 has a function of placing a flag or a banner. 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. 2 to 4, in order to facilitate the maintenance and replacement of the OPS motherboard 110, the motherboard 120, and the power board 130, a guide rail is disposed in the electrical control box 100, a mounting seat 102 is slidably disposed on the guide rail, and the mounting seat 102 is used for mounting the OPS motherboard 110, the motherboard 120, or the power board 130. In order to facilitate mounting/dismounting the OPS motherboard 110, the motherboard 120 and the power board 130 on/from the mounting base 102, the OPS motherboard 110, the motherboard 120 and the power board 130 may be detachably connected with the mounting base 102, such as by bolts or by fasteners.

Specifically, the guide rail may be disposed at a position close to the edge on the housing 101 of the electrical control box 100, and the mounting seat 102 may be provided with a slider that is engaged with the guide rail, so that the mounting seat 102 can slide relative to the housing 101 of the electrical control box 100. When the OPS main board 110, the main board 120 and the power board 130 need to be repaired or replaced, the mounting seat 102 may be slid relative to the housing 101 of the electrical control box 100, so that the OPS main board 110, the main board 120 and the power board 130 are exposed out of the housing 101 of the electrical control box 100.

Referring to fig. 2, mounting openings may be formed in the left side, the lower side, and the right side of the electrical control box 100, and a guide rail may be provided in the electrical control box 100 at a position corresponding to each mounting opening, and the guide rail may be provided with a mounting seat 102; the OPS board 110, the main board 120, and the power board 130 are respectively disposed on different mounting seats 102. Therefore, in the use process of the intelligent blackboard, only the mounting seat 102 corresponding to the component needing to be repaired or replaced in the OPS main board 110, the main board 120 and the power panel 130 needs to be drawn out, and corresponding repairing or replacing operation is performed, which is more convenient.

Further, the OPS board 110, the main board 120, and the power board 130 may be integrated and mounted on the same mounting base, thereby improving the compactness of the internal structure of the electrical control box 100.

Specifically, as a possible implementation, referring to fig. 3, the OPS motherboard 110 and the motherboard 120 may be integrated into a same motherboard module. In this case, two mounting holes may be formed in the housing 101 of the electrical control box 100, and two mounting seats 102 may be provided. For example, mounting openings may be formed in the left and lower sides of the electrical control box 100, the mounting seat 102 provided with the motherboard module may be inserted into the electrical control box 100 through the mounting opening in the lower side of the electrical control box 100, and the mounting seat 102 provided with the power board 130 may be inserted into the electrical control box 100 through the mounting opening in the left side of the electrical control box 100.

As another possible implementation, referring to fig. 4, the OPS motherboard 110, the motherboard 120, and the power board 130 may be integrated into a same module. At this time, only one mounting opening needs to be provided on the housing 101 of the electrical control box 100, and one mounting seat 102 is provided, and the OPS main board 110, the main board 120 and the power board 130 can be simultaneously provided on the mounting seat 102.

In order to fix the mounting seat 102 and the electrical control box 100, referring to fig. 5, a limiting portion may be disposed on the mounting seat 102, specifically, a limiting plate may be disposed on an outer side of the mounting seat 102 relative to the electrical control box 100, and the limiting portion is used for limiting a maximum moving distance of the mounting seat 102 towards the electrical control box. After the mounting base 102 is inserted into the electrical control box from the mounting opening, the limiting part of the mounting base 102 is fixedly connected with the shell 101 of the electrical control box by the connecting bolt 103.

In addition, a stopper may be provided on the end of the guide rail away from the mounting opening, and the stopper may limit the depth of insertion of the mounting seat 102 into the electrical control box 100.

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, referring to fig. 6, in the electrical control box 100 of the present embodiment, heat dissipation holes 104 may be formed on a side surface of the housing 101 perpendicular to the bearing surface, such as the upper side surface, the lower side surface, the left side surface and the right side surface in fig. 4; a heat dissipation area 105 may also be disposed on a side surface of the housing 101 facing the carrying surface, and the heat dissipation area 105 is formed by arranging a plurality of heat dissipation holes in an array.

The housing 101 may be provided with a hanging structure, so as to realize the hanging connection 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. Referring to fig. 7, 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.

Referring to fig. 7 and 8, the present embodiment also provides an intelligent blackboard formed by splicing at least one display screen 200 and at least one writing board 300. For example, referring to fig. 7, it may be a double-spelling intelligent blackboard formed by splicing a display screen 200 and a writing board 300; referring to fig. 8, it may also be a three-piece intelligent blackboard formed by splicing a display screen 200 and writing boards 300 on both sides of the display screen 200.

The utility model provides a be provided with the electrical control box outside the blackboard body of the wisdom blackboard of this embodiment, be provided with the mount pad on the electrical box, OPS mainboard, mainboard and power strip set up on the mount pad, therefore can be through taking out the mount pad/insert in the casing of electrical control box to the realization is comparatively convenient to the maintenance/change of OPS mainboard, mainboard and power strip.

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 (10)

1. The utility model provides an external electrical control box which characterized in that: the electric control box is arranged outside the blackboard body of the intelligent blackboard; the electric control box is internally provided with a guide rail, the guide rail is provided with at least one mounting seat in a sliding manner, and the mounting seat is used for mounting at least one of a main board, an OPS main board and a power panel.

2. The external electrical control box of claim 1, wherein: the main board, the OPS main board and the power supply board are assembled into an integral structure and are arranged on the mounting seat.

3. The external electrical control box of claim 1, wherein: the mounting seats are arranged in two, the main board and the OPS main board are assembled into an integral structure and are arranged on one of the two mounting seats, and the power supply board is arranged on the other mounting seat of the two mounting seats.

4. The external electrical control box of claim 1, wherein: the mounting seats are three, and the main board, the OPS main board and the power panel are arranged on different mounting seats.

5. The external electrical control box according to any one of claims 1 to 4, wherein: the electric control box is provided with a mounting opening, and the mounting seat is inserted into or drawn out of the electric control box from the mounting opening.

6. The external electrical control box of claim 5, wherein: the mounting seat is provided with a limiting part, and the limiting part is used for limiting the maximum moving distance of the mounting seat towards the electric control box.

7. The external electrical control box of claim 6, wherein: be provided with the bolt hole in the spacing portion: and after the mounting seat is inserted into the electrical control box from the mounting opening, the connecting bolt penetrates through the bolt hole, and the limiting part of the mounting seat is fixedly connected with the shell of the electrical control box.

8. The external electrical control box of claim 5, wherein: the mounting opening is formed in a lower frame of the shell of the electric control box or in a side frame of the shell of the electric control box.

9. The external electrical control box according to any one of claims 1 to 4, wherein: the mainboard, the OPS mainboard and the power panel are detachably connected with the mounting seat.

10. An intelligent blackboard, its characterized in that: the blackboard comprises a blackboard body and an electric control box arranged outside the blackboard body, wherein the electric control box is as defined in any one of claims 1-9.

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