Main control board connecting device for man-machine interface display screen

Abstract

The utility model provides a main control board connecting device for a man-machine interface display screen, which comprises a main control board assembly, the main control board assembly comprises a main control board and an interface board; wherein the interface board is provided with a plurality of communication interfaces; a first connector is fixed on the main control board, and a second connector is fixed on the interface board; the first connector and the second connector are detachably connected in an inserted mode so that the main control board and the interface board can be connected or separated. When the communication interface of the man-machine interface display screen is replaced, only the interface board needs to be separated from the main control board and the interface board needs to be replaced, the main control board does not need to be integrally redesigned and reprocessed, and the main control board does not need to be replaced, so that the main control board of the man-machine interface display screen is more flexible in design, the communication interface of the man-machine interface display screen is convenient to change, and the man-machine interface display screen is more convenient to use. And the whole main control board does not need to be redesigned.

Description

TECHNICAL FIELD

[0001] The utility model relates to human -computer interface display screen's main control board technical field especially a kind of main control board connecting device for human -computer interface display screen. BACKGROUND

[0002] The main control board of existing human-computer interface display screen is usually provided with multiple communication interfaces, and the main control board and the multiple communication interfaces are an integral whole. When the communication interface of the human-computer interface display screen is replaced, the main control board as a whole needs to be redesigned and processed, and the main control board as a whole is replaced, which greatly increases the design effort of the main control board and also increases the design cost of the main control board. SUMMARY

[0003] The utility model provides a kind of main control board connecting device for human-computer interface display screen to solve the technical problem that the main control board as a whole is redesigned and processed when existing human-computer interface display screen replaces communication interface.

[0004] One aspect of the utility model is to provide a kind of main control board connecting device for human-computer interface display screen, the main control board connecting device includes, main control board assembly;The main control board assembly includes main control board and interface board;

[0005] Among them, multiple communication interfaces are installed on the interface board;First connector is fixed on the main control board, and second connector is fixed on the interface board;

[0006] The first connector and the second connector are detachably inserted to connect or separate the main control board and the interface board.

[0007] In a preferred embodiment, the first connector is provided with a convex structure, and the second connector is provided with a concave structure matched with the convex structure, so that the first connector and the second connector are detachably inserted to connect or separate the main control board and the interface board.

[0008] In a preferred embodiment, the first connector and the second connector are injection molded by PBT material and 20-30% glass fiber material.

[0009] In a preferred embodiment, the convex structure is made of phosphor bronze or beryllium copper material, and the convex structure is internally configured with a contact piece for connecting the main control board and the interface board.

[0010] In a preferred embodiment, the main control board and the interface board are coated with a nano coating on the surface.

[0011] In a preferred embodiment, the main control board connecting device further includes a housing, and multiple communication interface holes are formed in the housing.

[0012] The plurality of communication interfaces correspond to the plurality of communication interface holes one by one, and one communication interface is inserted into a corresponding communication interface hole.

[0013] In a preferred embodiment, an HNBR butadiene rubber sealing ring is arranged at the position where each communication interface is inserted into the corresponding communication interface hole.

[0014] In a preferred embodiment, the shell is made of an aluminum alloy material and is treated with chromate to form a dense chromate conversion film on the surface of the shell.

[0015] In a preferred embodiment, the outer surface of the chromate conversion film formed on the surface of the shell is treated with plastic spraying.

[0016] In a preferred embodiment, the interface plate of the main control board assembly and the shell are fixed in a detachable manner by a nut.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model discloses a kind of main control board connecting device for man-machine interface display screen, and main control board assembly includes main control board and interface plate;Multiple communication interfaces are installed on interface plate;First connector is fixed on main control board, and second connector is fixed on interface plate;First connector and second connector are inserted in a detachable manner, to make main control board and interface plate connect or separate.When man-machine interface display screen replaces communication interface, just interface plate and main control board are separated, and interface plate is replaced, and main control board overall redesign processing is not needed, and main control board is not needed to replace, so that the main control board design of man-machine interface display screen is more flexible, and it is convenient for man-machine interface display screen to change communication interface, and entire main control board does not need to be redesigned.

[0019] The utility model discloses a kind of main control board connecting device for man-machine interface display screen, simple structure, it is convenient to replace, failure rate is low, safe and reliable, reduce the main control board from redesign, greatly improve efficiency, reduce input cost. DRAWINGS

[0020] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or prior art description. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0021] Figure 1It is an explosion drawing of the main control board connecting device for the man-machine interface display screen.

[0022] Figure 2 It is a structure schematic view of the main control board assembly.

[0023] Figure 3 It is Figure 2 A side view of the middle A side direction.

[0024] Figure 4 It is Figure 2 A side view of the middle B side direction.

[0025] Figure 5 It is an explosion drawing of the main control board assembly under one view angle.

[0026] Figure 6 It is an explosion drawing of the main control board assembly under another view angle. DETAILED DESCRIPTION

[0027] In order to make the above and other features and advantages of the present application clearer, further describe the present application below with reference to the drawings. It should be understood that the specific examples given herein are for the purpose of explanation and are only illustrative, not restrictive.

[0028] In combination Figures 1 to 6 , according to the embodiments of the present application, a main control board connecting device for a man-machine interface display screen is provided, comprising, a main control board assembly 1 and a cover 2.

[0029] The main control board assembly 1 comprises a main control board 11 and an interface board 12. A plurality of communication interfaces 122 are installed on the interface board 12.

[0030] As shown in the drawings, Figure 2 the types of the plurality of communication interfaces 122 installed on the interface board 12 in the present embodiment include an Ethernet interface 1221, an RS-232 interface 1222, an RS-485 interface 1223, a CAN interface 1224, a USB interface 1225, an MVB interface 1226 and an HDLC interface 1227.

[0031] It should be understood that the plurality of communication interfaces 122 is only exemplary, and in some embodiments, the interface board 12 can also install other types of communication interfaces 122.

[0032] As shown in the drawings, Figure 1 a plurality of communication interface holes 21 are formed on the cover 2, the plurality of communication interfaces 122 and the plurality of communication interface holes 21 are one-to-one corresponding, and one communication interface 122 is inserted into the corresponding one communication interface hole 21.

[0033] In the embodiment, the cover 2 is provided with a plurality of communication interface holes 21, including an Ethernet interface hole 211, an RS-232 interface hole 212, an RS-485 interface hole 213, a CAN interface hole 214, a USB interface hole 215, an MVB interface hole 216, and an HDLC interface hole 217.

[0034] The Ethernet interface 1221 is inserted into the Ethernet interface hole 211, the RS-232 interface 1222 is inserted into the RS-232 interface hole 212, the RS-485 interface 1223 is inserted into the RS-485 interface hole 213, the CAN interface 1224 is inserted into the CAN interface hole 214, the USB interface 1225 is inserted into the USB interface hole 215, the MVB interface 1226 is inserted into the MVB interface hole 216, and the HDLC interface 1227 is inserted into the HDLC interface hole 217.

[0035] According to the embodiment of the utility model, the cover 2 and the interface board 12 of main control board assembly 1 are fixed in a detachable way by nut. Every communication interface 122 inserts the position of corresponding communication interface hole 21, configures HNBR butting rubber sealing ring, HNBR butting rubber sealing ring has excellent corrosion resistance, tear resistance, compression deformation resistance, ozone resistance, sunlight resistance and weather resistance, can play waterproof effect to multiple communication interfaces 122.

[0036] According to the embodiment of the utility model, the cover 2 is prepared from aluminum alloy material, and is treated with chromate, so that a dense chromate conversion film is formed on the surface of the cover. The outer surface of the chromate conversion film formed on the surface of the cover 2 is treated with plastic spraying.

[0037] The chromate conversion film separates the aluminum alloy matrix of the cover 2 from the corrosive medium in the external environment, not only increases the surface strength of the cover 2, but also increases the wear resistance and corrosion resistance of the cover 2. The outer surface of the chromate conversion film formed on the surface of the cover 2 is treated with plastic spraying, which provides a cushion for the cover 2 to isolate the circuit.

[0038] In combination Figures 1 to 6 According to the embodiment of the utility model, the first connector 111 is fixed on the main control board 11, and the second connector 121 is fixed on the interface board 12. The first connector 111 and the second connector 121 are detachably connected, so that the main control board 11 and the interface board 12 are connected or separated.

[0039] Preferably, the first connector 111 is fixed on the main control board 11 by welding, and the second connector 121 is fixed on the interface board 12 by welding.

[0040] As Figure 5 and Figure 6As shown, the first connector 111 is provided with a convex structure 1111, the second connector 121 is provided with a concave structure 1211 matched with the convex structure 1111, the convex structure 1111 is inserted into the concave structure 1211, so that the first connector 111 and the second connector 121 are connected in a detachable manner, thereby connecting or separating the main control board 11 and the interface board 12.

[0041] Further, the convex structure 1111 is made of phosphor bronze or beryllium copper material, and the convex structure 1111 is internally provided with a contact piece for connecting the main control board 11 and the interface board 12. The convex structure 1111 is made of phosphor bronze or beryllium copper material, which prolongs the service life of the convex structure 1111 and greatly increases the number of insertion and extraction of the convex structure 1111 into the concave structure 1211.

[0042] The first connector 111 is provided with the convex structure 1111, the second connector 121 is provided with the concave structure 1211 matched with the convex structure 1111, the convex structure 1111 is inserted into the concave structure 1211, so that the first connector 111 and the second connector 121 are connected in a detachable manner, thereby connecting or separating the main control board 11 and the interface board 12.

[0043] The main control board 11 is provided with a data control circuit and a data processing circuit, and an interface (not shown in the figure) for connecting a man-machine interface display screen, and the main control board 11 is connected with the man-machine interface display screen.

[0044] According to the embodiment of the utility model, the main control board 11 and the interface board 12 are coated with a nano coating, which achieves the effects of preventing static electricity, preventing moisture, preventing water and resisting corrosion.

[0045] According to the embodiment of the utility model, the first connector 111 and the second connector 121 are made of PBT material and 20-30% glass fiber material and are injection molded, so that the first connector 111 and the second connector 121 have the functions of resisting cracking, preventing impact, preventing electricity, good wear resistance, low friction coefficient, good self-lubricity and oil and chemical resistance.

[0046] The shrinkage rate of the first connector 111 and the second connector 121 is between 0.6% and 3.0%, the temperature resistance is about 230 DEG C, the molding property is good, and the first connector 111 and the second connector 121 have the function of resisting combustion.

[0047] When the man-machine interface display screen changes the communication interface 122, only the first connector 111 and the second connector 121 are disassembled, the interface plate 12 is separated from the main control plate 11, and the interface plate 12 and the cover 2 are replaced, so that the man-machine interface display screen does not need to be re-designed and processed as a whole, and the main control plate 11 does not need to be replaced, so that the design of the main control plate 11 of the man-machine interface display screen is more flexible, the communication interface 122 of the man-machine interface display screen is convenient to change, and the whole main control plate 11 does not need to be re-designed.

[0048] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.

Claims

1. A master board connection device for a human interface display screen, characterized by, The master control board connecting device comprises a master control board assembly; the master control board assembly comprises a master control board and an interface board; The interface board is provided with a plurality of communication interfaces; the master control board is provided with a first connector, and the interface board is provided with a second connector; The first connector and the second connector are detachably connected to connect or separate the master control board and the interface board.

2. The master board connection apparatus according to claim 1, wherein The first connector is provided with a convex structure, and the second connector is provided with a concave structure matched with the convex structure, so that the first connector and the second connector are detachably connected to connect or separate the master control board and the interface board.

3. The master board connection apparatus according to claim 2, wherein The convex structure is made of phosphor bronze or beryllium copper material, and the convex structure is internally provided with a contact piece for connecting the master control board and the interface board.

4. The master board connection apparatus according to claim 1, wherein The master control board and the interface board are coated with a nano coating.

5. The master board connection apparatus of claim 1, wherein The master control board connecting device further comprises a cover shell, and the cover shell is provided with a plurality of communication interface holes, The plurality of communication interfaces correspond to the plurality of communication interface holes one by one, and each communication interface is inserted into a corresponding communication interface hole.

6. The master board connection apparatus according to claim 5, wherein Each communication interface inserted into the corresponding communication interface hole is provided with an HNBR butadiene rubber sealing ring.

7. The master board connection apparatus according to claim 5, wherein The cover shell is made of aluminum alloy material and is treated with chromate to form a dense chromate conversion film on the surface of the cover shell.

8. The master board connection apparatus of claim 5, wherein The outer surface of the chromate conversion film formed on the surface of the cover shell is treated with plastic spraying.

9. The master board connection apparatus of claim 5, wherein The cover shell and the interface board of the master control board assembly are detachably fixed by nuts.

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