CN207895424U - The explosion-proof man-machine interface of industry - Google Patents
The explosion-proof man-machine interface of industry Download PDFInfo
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- CN207895424U CN207895424U CN201820233694.7U CN201820233694U CN207895424U CN 207895424 U CN207895424 U CN 207895424U CN 201820233694 U CN201820233694 U CN 201820233694U CN 207895424 U CN207895424 U CN 207895424U
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- 238000009434 installation Methods 0.000 claims abstract description 40
- 239000005341 toughened glass Substances 0.000 claims abstract description 34
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 13
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- 229910002027 silica gel Inorganic materials 0.000 claims description 11
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
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- 229910000755 6061-T6 aluminium alloy Inorganic materials 0.000 claims description 3
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- 230000006870 function Effects 0.000 description 10
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
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- 229910000838 Al alloy Inorganic materials 0.000 description 2
- -1 for example Inorganic materials 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 1
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- 239000007789 gas Substances 0.000 description 1
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Abstract
The utility model discloses the explosion-proof man-machine interfaces of industry, including explosion-proof upper cover and anti-explosion box body, explosion-proof upper cover includes explosion-proof upper casing, capacitance touch screen, explosion-proof tempered glass, display screen press box and display screen, and anti-explosion box body includes explosion-proof lower casing, zena's safety barrier, computer main board, display backlight plate, touch screen controller and explosion-proof gland head.The utility model is compact-sized, explosion-proof performance is excellent, installation and simple operation, compact, the production scene with requirement of explosion proof can be placed in, data monitoring and equipment regulation and control can be carried out at the scene, it, can be in first time control accurate parameters in conjunction with the intuitive observation of field device；When production is abnormal situation, it can be ensured that operating personnel reach scene in first time, and carry out in-situ processing within prime time, improve reply efficiency.
Description
Technical Field
The utility model belongs to the technical field of the industry is explosion-proof, concretely relates to is used in explosion-proof human-computer interface in pharmacy and the explosion-proof district of chemical industry field.
Background
In the fields of pharmacy and chemical industry, the field environment is complex, flammable and explosive gases (especially in an explosion-proof area) can exist, fire and explosion accidents are easy to happen, electrical equipment with explosion-proof property is placed on the field, and remote control is generally adopted at present, and a general control interface is placed in a central control room and is far away from a production field. However, such a distance is long, the monitoring and operation are troublesome, and when the abnormal condition occurs and the operation is required, the control needs to be carried out back and forth between the central control room and the site, so that the timely and accurate site control cannot be realized, and the improvement of the production automation is not facilitated.
Therefore, it is required to develop a system control terminal that can be placed in an explosion-proof area of a production site.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide an industrial explosion-proof man-machine interface, which can be installed in a production site with explosion-proof requirements, can perform data monitoring and device regulation and control on the site, and can accurately regulate and control various parameters in the first time by combining with the visual observation of field devices; when abnormal conditions occur in production, operators can be ensured to arrive at the site at the first time, and the site treatment is carried out in the golden time, so that the coping efficiency is improved.
An industrial explosion-proof human-computer interface comprises an explosion-proof upper cover and an explosion-proof box body which are matched with each other, wherein the explosion-proof upper cover comprises an explosion-proof upper shell, a capacitive touch screen, explosion-proof toughened glass, a display screen pressing frame and a display screen, and the explosion-proof box body comprises an explosion-proof lower shell, a Zener safety barrier, a computer main board, a display screen backlight board, a touch screen controller and an explosion-proof glan head; wherein,
the front surface of the explosion-proof upper shell is a rectangular frame with a rectangular window at the center, and a plurality of first screw holes are arranged on the frame, close to the outer edge, of the rectangular frame in a surrounding manner; three-stage step-shaped installation platforms are sequentially and adjacently arranged on the back surface of the explosion-proof upper shell from the edge of a central rectangular window of the explosion-proof upper shell to the outer edge of the explosion-proof upper shell from bottom to top, a first-stage installation platform at the bottom is arranged around the central rectangular window of the explosion-proof upper shell to form a touch screen installation groove, a second-stage installation platform in the middle is arranged around the touch screen installation groove to form an explosion-proof toughened glass installation groove, and a third-stage installation platform at the top is arranged around the explosion-proof toughened glass installation groove to form a display press frame installation groove; a raised limiting frame is arranged around the periphery of the display pressing frame mounting groove in a surrounding manner, an outer side frame is arranged around the bottom of the raised limiting frame in a surrounding manner, and the raised limiting frame is raised upwards relative to the display pressing frame mounting groove and the outer side frame; in addition, an opening is further formed in the touch screen mounting groove, and the opening extends into the display pressing frame mounting groove to form a touch screen wiring groove; a plurality of display pressing frame mounting screw holes are formed in the display pressing frame mounting groove;
the capacitive touch screen is fixed in the touch screen mounting groove by using sealing silica gel, a flat cable of the capacitive touch screen is arranged in the touch screen flat cable groove, the explosion-proof toughened glass is fixed in the explosion-proof toughened glass mounting groove, and the display screen pressing frame is fastened in the display pressing frame mounting groove by bolts placed in the display pressing frame mounting screw hole; the anti-explosion tempered glass is tightly attached to the capacitive touch screen, and a gap between the anti-explosion tempered glass and the anti-explosion upper shell is filled with sealing silica gel and is tightly pressed and fixed on the anti-explosion upper shell under the action of the display screen pressing frame; a window is formed in the center of the display screen pressing frame, a display screen mounting groove is formed around the window in a surrounding mode, and the display screen is fixed in the display screen mounting groove through fixing screws or sealing silica gel;
the explosion-proof lower shell is a box body provided with a rectangular opening at the top, the top surface of the explosion-proof lower shell is composed of a rectangular opening arranged at the center and a frame surrounding the opening, a plurality of second screw holes are arranged on the frame in a surrounding manner, the frame corresponds to the outer side frame of the explosion-proof upper shell, and the second screw holes correspond to the first screw holes of the explosion-proof upper shell one by one; the inner side wall of the box body of the explosion-proof lower shell is composed of an upper section inner side wall close to the top and a lower section inner side wall close to the bottom, the lower section inner side wall is closer to the center of the box body than the upper section inner side wall, the height of the upper section inner side wall is consistent with the height of an upward bulge of a bulge limiting frame of the explosion-proof upper shell relative to an outer side frame of the explosion-proof upper shell, and the wall thickness difference value of the lower section inner side wall and the upper section inner side wall is consistent with the thickness of the bulge limiting frame of the explosion-proof upper; a plurality of explosion-proof gram head mounting screw holes are also formed in one side surface of the explosion-proof lower shell, and the explosion-proof gram heads are fixed in the explosion-proof gram head mounting screw holes and are sealed by rubber pads; the explosion-proof gland head is used for connecting an explosion-proof hose with a power line or a signal line penetrating through the explosion-proof hose, and a gap of the explosion-proof gland head which is not connected with the explosion-proof hose is sealed by an explosion-proof plug and explosion-proof mud;
the computer main board, the display screen backlight board and the touch screen controller are respectively fixed on a plurality of copper studs arranged on the bottom surface of the explosion-proof lower shell, and a main board heat dissipation platform is arranged at a position corresponding to the computer main board on the back surface of the bottom of the explosion-proof lower shell; the computer mainboard is simultaneously connected with the display screen backlight board and the touch screen controller, the computer mainboard is also provided with a power supply interface for connecting a direct-current power supply, a display screen interface for connecting the display screen and a signal input and output interface for connecting a signal wire, the display screen backlight board is also provided with a display screen interface for connecting the display screen, the touch screen controller is connected with the Zener safety barrier, the Zener safety barrier is provided with a touch screen flat cable interface and a grounding interface for connecting a flat cable of the capacitive touch screen, and the grounding interface is connected to a grounding stud to realize grounding;
the cooperation of explosion-proof upper cover and explosion-proof box realizes through following mode: the explosion-proof box is characterized in that a display screen interface on a computer mainboard in the explosion-proof box is connected with a display screen in an explosion-proof upper cover, the display screen interface on a display screen backlight plate in the explosion-proof box is connected with the display screen in the explosion-proof upper cover, a touch screen wiring interface of a Zener safety grid in the explosion-proof box is connected with a wiring of a capacitive touch screen in the explosion-proof upper cover, the explosion-proof upper shell and an explosion-proof lower shell are aligned and are penetrated through a first screw hole and a second screw hole by fastening bolts, the explosion-proof upper shell and the explosion-proof lower shell are fixed together (namely the explosion-proof upper cover and the explosion-proof box body are fixed together), and a gap between the joint of the explosion-proof upper shell and the explosion-proof lower shell is 0-0.09 mm.
In a specific embodiment of the present invention, the gap between the joint of the explosion-proof upper shell and the explosion-proof lower shell is 0 to 0.02 mm.
The utility model discloses an in a concrete example, the bottom back of explosion-proof inferior valve is provided with the fixed screw of a plurality of installation to in fixing on operation panel or mount.
The utility model discloses an in the concrete example, the four corners of explosion-proof epitheca is the radius angle, the box four corners of explosion-proof inferior valve is the radius angle to convenient processing, and it is safer to use.
In a specific embodiment of the present invention, the size of the display screen is 7 inches, 10.4 inches or 12.1 inches to satisfy various different requirements.
In a specific embodiment of the present invention, the explosion-proof upper shell and the explosion-proof lower shell are both made of cast aluminum, for example, 6061-T6 aluminum alloy.
The utility model discloses an in the concrete example, pass first screw and second screw fastening bolt be stainless steel A2-70, M6 cup hexagon socket head cap screw, can provide better intensity and better sealed effect, realize better explosion-proof back-fire relief performance.
The utility model discloses an in a concrete example, explosion-proof glan head adopts the outer explosion-proof glan head of hexagonal of stainless steel, can provide better intensity and better sealed effect, realizes better explosion-proof back-fire relief performance.
In a specific example of the present invention, the explosion-proof glass is made of silicon dioxide tempered glass with a thickness of 12 mm.
In a specific embodiment of the present invention, the surface of the explosion-proof upper shell and the explosion-proof lower shell is sprayed with an anticorrosive paint, and the paint is used in a corrosive environment to have better durability.
The utility model discloses in, through the combination of the explosion-proof epitheca of aluminum alloy material and explosion-proof inferior valve, all keep apart all components in the explosion-proof incasement of aluminum alloy, the width of the sealed face of explosion-proof epitheca and explosion-proof inferior valve is big, and the gap interval is little, makes it have good back-fire relief characteristic. In the explosion-proof upper shell, the touch screen is fixedly arranged on the outermost side for operation of an operator; explosion-proof toughened glass closely laminates with the touch-sensitive screen, the gap between explosion-proof toughened glass and the explosion-proof epitheca is filled up with sealed silica gel to press the frame to press the fastening to fix on explosion-proof epitheca under the effect of bolt with aluminium system display screen, play main explosion-proof effects, and the display screen is then fixed in the display screen mounting groove at the display screen pressure frame back with bolt or sealed silica gel, overall structure is compact, small in size, explosion-proof performance is good, installation and simple operation. In the explosion-proof lower shell, a touch screen controller, a display back plate, a computer main board and the like are connected through a Zener safety grid to form an intrinsic safety type circuit which can be installed in an explosion-proof area of a production field; the anti-explosion stainless steel gram head, the anti-explosion plug and the anti-explosion mud are adopted at the wiring opening to be blocked, the effect of isolating the explosion-proof stainless steel gram head from the outside is achieved, and the overall anti-explosion performance is high. The utility model discloses an embedded human-computer interface adopts the electric capacity touch-sensitive screen to carry on Windows7 operating system on the computer motherboard, can compatible multiple window control system, combines field device, and the control is directly perceived, convenient operation. The fixing screw at the back of the human-computer interface can conveniently install the human-computer interface on an operation table or a field operation rack. The man-machine interface of the utility model can be placed in a production site with explosion-proof requirements, so that data monitoring and equipment regulation and control can be realized on site, and various parameters can be accurately regulated and controlled at the first time by combining visual observation of field equipment; when abnormal conditions occur in production, operators can be ensured to arrive at the site at the first time, and the site treatment is carried out in the golden time, so that the coping efficiency is improved.
Compared with the prior art, the utility model discloses following profitable technological effect has:
(1) the utility model has strong flame-proof performance, can be installed in a production site with explosion-proof requirements, realizes data monitoring and equipment regulation and control on site, combines the visual observation of field equipment, and can accurately regulate and control various parameters at the first time; when abnormal conditions occur in production, operators can be ensured to arrive at the site at the first time, and the site treatment is carried out in the golden time, so that the coping efficiency is improved.
(2) The utility model discloses a control is easy and simple to handle directly perceived, can compatible multiple window control system, combines field device, and the control is directly perceived, convenient operation.
(3) The utility model discloses compact structure, small in size, the installation is convenient with the dismantlement, can conveniently install on operation panel or field operation frame.
Drawings
Fig. 1 is a schematic structural diagram of an industrial explosion-proof human-computer interface according to the present invention.
Fig. 2 is a schematic cross-sectional view of the industrial explosion-proof human-machine interface of the present invention.
Fig. 3 is a front external view of the industrial explosion-proof man-machine interface (also the front of the explosion-proof upper shell) of the present invention.
Fig. 4 is an external view of the back side of the industrial explosion-proof man-machine interface (also the back side of the explosion-proof lower shell) according to the present invention.
Fig. 5-1, 5-2 and 5-3 are schematic structural views of the explosion-proof upper shell of the industrial explosion-proof man-machine interface, wherein fig. 5-1 is a front view of the explosion-proof upper shell, fig. 5-2 is a right side view of the explosion-proof upper shell, and fig. 5-3 is a top view of the explosion-proof upper shell.
Fig. 6-1, 6-2 and 6-3 are schematic structural views of an explosion-proof lower shell of an industrial explosion-proof man-machine interface, wherein fig. 6-1 is a front view of the explosion-proof lower shell, fig. 6-2 is a right side view of the explosion-proof lower shell, and fig. 6-3 is a top view of the explosion-proof lower shell.
Fig. 7-1, fig. 7-2 and fig. 7-3 are schematic structural diagrams of the display screen pressing frame of the industrial explosion-proof man-machine interface of the present invention, wherein fig. 7-1 is a front view of the display screen pressing frame, fig. 7-2 is a right side view of the display screen pressing frame, and fig. 7-3 is a top view of the display screen pressing frame.
Fig. 8 is a schematic connection diagram of circuit devices provided in the explosion-proof case.
(symbol description)
1 explosion-proof upper shell 2 capacitive touch screen
3 explosion-proof toughened glass 4 display screen presses frame
5 display screen 6 explosion-proof lower shell
7 Zener safety grid 8 computer mainboard
9 explosion-proof gland head 10 fastening bolt hole
11 explosion-proof sign 12 warning label
13LOGO mark 14 parameter nameplate
15 installation screw hole 16 touch screen installation groove
17 explosion-proof toughened glass mounting groove 18 display pressing frame mounting groove
19 touch screen winding displacement wire casing 20 display press frame mounting screw hole
21 mainboard heat dissipation platform 22 ground stud
23 explosion-proof glan head mounting screw hole 24 display screen mounting groove
25 display screen backlight board 26 touch screen controller
27 bump stop frame 28 outer side frame
29 upper section inner side wall 30 lower section inner side wall
Detailed Description
The invention is further explained below with reference to the drawings and examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
As shown in fig. 1 and fig. 2, in an embodiment of the present invention, an industrial explosion-proof man-machine interface includes an explosion-proof upper cover and an explosion-proof box body, which are mutually matched, wherein the explosion-proof upper cover includes: explosion-proof epitheca 1, capacitive touch screen 2, explosion-proof toughened glass 3, display screen press frame 4 and display screen 5, and explosion-proof box includes: explosion-proof inferior valve 6, zener safety barrier 7, computer motherboard 8, display screen backlight 25, touch-sensitive screen controller 26 and explosion-proof glan head 9.
As can be seen from fig. 1 and 3, the explosion-proof upper casing 1 has a rectangular frame with a rectangular window centered on the front surface (i.e., the operation surface of the user during use), and a plurality of first screw holes are circumferentially arranged on the frame of the rectangular frame near the outer edge.
As shown in fig. 5-1, 5-2 and 5-3, on the back of the explosion-proof upper casing 1, three-stage stepped installation platforms from bottom to top are sequentially and adjacently arranged in the direction from the edge of the central rectangular window of the explosion-proof upper casing 1 to the outer edge of the explosion-proof upper casing 1 (also referred to as the direction from the center to the outer edge), the first-stage installation platform at the bottom is arranged around the central rectangular window of the explosion-proof upper casing 1 to form a touch screen installation groove 16, the second-stage installation platform at the middle is arranged around the touch screen installation groove 16 to form an explosion-proof toughened glass installation groove 17, and the third-stage installation platform at the top is arranged around the explosion-proof toughened glass installation groove 17 to form a display frame pressing installation groove 18 (the bottom, the middle and the top are relative, and the relative position of the three-stage stepped installation platforms from bottom to top is intended to be described); a raised limiting frame 27 is further arranged around the display frame pressing installation groove 18, an outer side frame 28 is arranged around the bottom of the raised limiting frame 27, and the raised limiting frame 27 is raised upwards relative to the display frame pressing installation groove 18 and the outer side frame 28 (also referred to as an outward bulge, namely the raised top surface of the raised limiting frame 27 is higher than the plane of the highest point of the groove edge of the display frame pressing installation groove 18 and higher than the top surface of the outer side frame 28). In addition, an opening is also arranged on the touch screen mounting groove 16, and the opening extends into the display pressing frame mounting groove 18 to form a touch screen wiring groove 19; a plurality of display press frame mounting screw holes 20 are provided in the display press frame mounting groove 18.
As shown in fig. 1 and 2, the capacitive touch screen 2 is fixed in the touch screen mounting groove 16 by a sealing silicone, the flat cable of the capacitive touch screen 2 is arranged in a flat cable slot 19 of the touch screen and sealed by sealing silica gel, the explosion-proof toughened glass 3 is fixed in an explosion-proof toughened glass mounting groove 17, the display screen bezel 4 is fastened in the display bezel mounting groove 18 by bolts (a2-70 bolts, M4) placed in the display bezel mounting screw holes 20, wherein the explosion-proof toughened glass 3 is tightly attached to the capacitive touch screen 2, a gap between the explosion-proof toughened glass 3 and the explosion-proof upper shell 2 is filled with sealing silica gel, under the action of the display screen pressing frame 4, the explosion-proof toughened glass 3 and the capacitive touch screen 2 are pressed and fixed on the explosion-proof upper shell 1, and the flat cable of the capacitive touch screen 2 extends outwards from the joint of the display screen pressing frame 4 and the display pressing frame mounting groove 18 and is pressed; the center of the display screen pressing frame 4 is provided with a window, a display screen mounting groove 24 (as shown in fig. 7-1, 7-2 and 7-3) is arranged around the window, and the display screen 5 is fixed in the display screen mounting groove 24 by using a fixing screw or sealing silica gel.
As shown in fig. 1, 2, 6-1, 6-2 and 6-3, the explosion-proof lower shell 6 is a box body with a rectangular opening at the top (or a box body with a rectangular opening at the top), the top surface of the explosion-proof lower shell 6 is formed by a rectangular opening at the center and a frame surrounding the opening, a plurality of second screw holes are arranged around the frame, the frame corresponds to the outer frame 28 of the explosion-proof upper shell 1, the second screw holes correspond to the first screw holes of the explosion-proof upper shell 1 one by one, after the explosion-proof upper shell 1 and the explosion-proof lower shell 6 are aligned, fastening bolts (a2-70, M6 hexagon socket head bolts) pass through the first screw holes (i.e. fastening bolt holes 10) and the second screw holes, and the explosion-proof upper shell 1 and the explosion-proof lower shell 6 are fixed together.
The inner side wall of the case body of the explosion-proof lower case 6 is composed of an upper section inner side wall 29 close to the top and a lower section inner side wall 30 close to the bottom, the lower section inner side wall 30 is closer to the center of the case body than the upper section inner side wall 29 (i.e. the lower section inner side wall 30 has a larger value than the thickness of the upper section inner side wall 29), the height of the upper section inner side wall 29 is consistent with the height of the protrusion limit frame 27 relative to the outer side frame 28 (i.e. the height difference between the protrusion top surface of the protrusion limit frame 27 and the top surface of the outer side frame 28), the thickness difference between the lower section inner side wall 30 and the upper section inner side wall 29 is consistent with the thickness of the protrusion limit frame 27 (i.e. the distance between the first contact surface of the protrusion limit frame 27 in contact with the display press frame installation groove 18 and the second contact surface of the protrusion limit frame 27 in contact with the, one end of the protruding limit frame 27 is just clamped on the step formed at the transition of the upper section inner side wall 29 and the lower section inner side wall 30.
A plurality of explosion-proof gland head mounting screw holes 23 are also formed in one side surface of the explosion-proof lower shell 6, and an explosion-proof gland head 9 is fixed in each explosion-proof gland head mounting screw hole 23 and sealed by a rubber pad; the explosion-proof gland head 9 is used for being connected with an explosion-proof hose with a power supply wire or a signal wire penetrating through the explosion-proof hose so as to connect the power supply wire or the signal wire into a corresponding socket of the explosion-proof box body, and a gap of the explosion-proof gland head 9 which is not connected with the explosion-proof hose is sealed and blocked by an explosion-proof plug and explosion-proof mud.
The anti-explosion lower shell 6 is internally provided with a Zener safety barrier 7, a computer mainboard 8, a display screen backlight plate 25 and a touch screen controller 26, the Zener safety barrier 7 is arranged on the bottom surface of the anti-explosion lower shell 6 and is fixed on the other side surface of the anti-explosion lower shell 6 through a special metal guide rail carried by the Zener safety barrier, the computer mainboard 8, the display screen backlight plate 25 and the touch screen controller 26 are respectively fixed on a plurality of copper studs (hexagonal copper studs) arranged on the bottom surface of the anti-explosion lower shell 6 by screws (such as special screws for commercially available computer mainboards, special screws for display screen backlight plates and special screws for touch screen controllers), and a mainboard heat dissipation table 21 is arranged at a position corresponding to the computer mainboard 8 on the back surface of the bottom of the anti-explosion.
The connection mode of each circuit device is shown in fig. 8, the computer motherboard 8 is connected with the display screen backlight board 25 and the touch screen controller 26 at the same time, the computer motherboard 8 is further provided with an interface a and an interface E, the interface a is a power interface and is used for connecting a low-voltage (for example, 12V) direct-current power supply, the interface E is used for being connected with the display screen 5, the display screen backlight board 25 is also provided with an interface C for connecting the display screen 5, the touch screen controller 26 is connected with the zener safety grid 7, the zener safety grid 7 is further provided with an interface D and an interface B, the interface D is used for being connected with a flat cable of the capacitive touch screen 2, the interface B is used for grounding and is grounded on the grounding stud 22. One end of the Zener safety grid 7 connected with the touch screen controller 26 is a non-intrinsic safety end, and one end of the Zener safety grid 7 connected with the flat cable of the capacitive touch screen 2 is an intrinsic safety end.
Although not shown in fig. 8, the computer main board 8 is further provided with other interfaces, such as signal output and input interfaces, for connecting with signal lines, that is, the signal output and input interfaces are connected with an explosion-proof hose with signal lines passing through the inside through an explosion-proof glan head 9, and the signal lines can be connected with an external PLC controller.
The interface E of the computer mainboard 8 in the explosion-proof box body and the interface C of the display screen backlight plate 25 are connected with the display screen 5 in the explosion-proof upper cover, the interface D of the Zener safety barrier 7 in the explosion-proof box body is connected with the flat cable of the capacitive touch screen 2, the explosion-proof upper shell 1 is aligned with the explosion-proof lower shell 6, the first screw hole and the second screw hole are penetrated by the fastening bolt, the explosion-proof upper shell 1 and the explosion-proof lower shell 6 are fixed together, the cooperation of the explosion-proof box body and the explosion-proof upper cover is realized, and gaps between the combination parts of the explosion-proof upper shell 1 and the explosion-proof lower shell 2 are smaller than 0.09mm (actual measurement is smaller than 0.02 mm).
Those skilled in the art can understand that four corners of the rectangular frame of the explosion-proof upper shell 1 can be set to be rounded corners, and four corners of the box body of the explosion-proof lower shell 6 can be set to be rounded corners, as shown in the above figures, so as to facilitate the processing and ensure safer use. Similarly, the four corners of the rectangular structure of the explosion-proof toughened glass 3, the explosion-proof toughened glass installation groove 17, the display pressing frame 4, the display pressing frame installation groove 18, the convex limiting frame 27 and the like can also be set to be rounded corners as required.
Those skilled in the art will appreciate that the size of the display screen 5 may be configured as desired, such as 7 inches, 10.4 inches, or 12.1 inches.
As will be understood by those skilled in the art, the explosion-proof upper shell 2 and the explosion-proof lower shell 6 are both made of cast aluminum, for example, 6061-T6 aluminum alloy.
As can be understood by those skilled in the art, the fastening bolts between the explosion-proof upper shell 2 and the explosion-proof lower shell 6 (i.e. the fastening bolts passing through the first screw hole and the second screw hole) can be stainless steel A2-70, M6 hexagon socket head cap bolts, which can provide better strength and better sealing effect, and realize better explosion-proof fire-retardant performance.
As can be understood by those skilled in the art, the explosion-proof gland head 9 can be a stainless steel outer hexagonal explosion-proof gland head, which can provide better strength and better sealing effect, and realize better explosion-proof fire-retardant performance.
As can be understood by those skilled in the art, the explosion-proof tempered glass 3 can be silicon dioxide tempered glass with a thickness of 12 mm.
As can be understood by those skilled in the art, the surfaces of the explosion-proof upper shell 2 and the explosion-proof lower shell 6 can be sprayed with anticorrosive paint, so that the explosion-proof upper shell and the explosion-proof lower shell have better durability in a corrosive environment.
Those skilled in the art can understand that an "Ex" explosion-proof mark 11, "strictly forbidden to open a cover with electricity" warning mark 12, company LOGO 13, and technical parameter nameplate 14 of the explosion-proof human-computer interface can be respectively stuck on the front surface of the explosion-proof upper shell 1, and the marking position is required to be beautiful and not to hinder the normal operation of the device, as shown in fig. 3.
It can be understood by those skilled in the art that four mounting and fixing screw holes 15 can also be provided on the back of the bottom of the explosion-proof lower shell 6, as shown in fig. 4, so as to facilitate fixing on an operation table or a fixing frame.
The application method of the industrial explosion-proof man-machine interface in the embodiment is as follows:
when in use, the industrial explosion-proof man-machine interface is fixed on an operation table or a fixed frame by four mounting and fixing screw holes 15 on the back surface of the bottom of the explosion-proof lower shell 6 and matched bolts (for example, stainless steel A2-70, M6 hexagon socket head cap bolts); connecting a power line and a signal line into a corresponding power socket and a signal input and output interface in the explosion-proof box body through an explosion-proof gland head 9; meanwhile, a power line is connected with a 12V low-voltage direct-current power supply, and a signal line is connected with a PLC (Programmable logic controller); during operation, real-time monitoring and adjustment are intuitively performed through a window control system (e.g., Windows7) carried by the computer motherboard 8.
The computer motherboard 8 may be configured as desired. The following provides an example of the configuration parameters of a computer motherboard.
Computer hardware configuration:
processor integrated Intel 1037U 1.8GHz 22nm dual-core processor TDP17W
Chipset Intel NM70 high speed chipset
System memory on-board DDR 34G high speed memory
Display function integrated Inter HDgraphics core display card
The network function integrates 2 Inter 82583v kilomega network cards, supports network awakening and PEX function
The storage function SSD64G high-speed solid state disk provides an SATA hard disk interface, and the transmission speed can reach 3Gbps
Backplane I/0 interface
2 × USB2.0, 1 × HDMI, 1 × VGA, 2 × RJ-45 network interface, 1 × Line out green, 1 × 12Vdc _ jam input, 1 × POWER, 1 × RESET, 1 × LED1 (powered LED/HDDLED)
Built-in I/0 interface
1 LVDS interface 2 15pin
1 GVGA1 interface 25 Pin in DB15 same signal
6 RS232 serial port, wherein COM2 supports 485/422 function
1 JLPC pin 2 pin 6
4 USB2.0 interface
1 PS/2 mouse keyboard interface 1X 6pin
1 AUDIO pin front AUDIO interface 2 pin 5
SIMM card holder
1 FPI (2 FPI 5pin front panel function button and indicator light interface)
2 JSATA2 Pin 1X 5
1 PWROUT (hard disk power supply interface)
1 × LVDS INVERTER backlight power supply interface
GPI/O function supporting 4-channel input/output GPIO function
BIOS AMI 32MB Flash ROM
The Watchdog function supports the hardware reset function (256 level, 0-255 seconds)
Electrical appliance specification:
power supply characteristics
Rated power: 25W
Rated voltage: DC12V
Electrical equipment interface: 4 x 1/2 inch explosion-proof sealing joint
As can be understood by those skilled in the art, the computer motherboard with other configurations can be completely selected according to the requirement, and the technical effects of the invention can also be realized.
The explosion-proof grade of the industrial explosion-proof man-machine interface in the embodiment is as follows: ex d ib IIB + H2T6 Gb. Through detection, the industrial explosion-proof man-machine interface in the embodiment reaches the following standard:
GB 3836.1-2010 explosive environment part 1: general requirements of the device
GB 3836.2-2010 explosive environment part 2: equipment protected by explosion-proof casing d
GB 3836.4-2010 explosive environment part 4: device protected by an intrinsically safe "i
GB 3836.20-2010 explosive environment part 20: the Equipment Protection Level (EPL) is the Ga-level equipment explosion-proof standard.
Therefore, the man-machine interface of the utility model has good explosion-proof fire-retardant performance, meets the explosion-proof requirement, can be placed in the production site with the explosion-proof requirement, realizes data monitoring and equipment regulation and control in the explosion-proof area site, and can accurately regulate and control various parameters in the first time by combining the visual observation of the field equipment; when abnormal conditions occur in production, operators can be ensured to arrive at the site at the first time, and the site treatment is carried out in the golden time, so that the coping efficiency is improved.
Therefore, the purpose of the utility model is completely and effectively realized. The method and the principle of the invention have been shown and described in the examples, the embodiments being capable of modifications without departing from the principle. The present invention includes all modifications based on the spirit and scope of the claims.
Claims (10)
1. An industrial explosion-proof human-computer interface is characterized by comprising an explosion-proof upper cover and an explosion-proof box body which are matched with each other, wherein the explosion-proof upper cover comprises an explosion-proof upper shell, a capacitive touch screen, explosion-proof toughened glass, a display screen pressing frame and a display screen; wherein,
the front surface of the explosion-proof upper shell is a rectangular frame with a rectangular window at the center, and a plurality of first screw holes are arranged on the frame, close to the outer edge, of the rectangular frame in a surrounding manner; three-stage step-shaped installation platforms are sequentially and adjacently arranged on the back surface of the explosion-proof upper shell from the edge of a central rectangular window of the explosion-proof upper shell to the outer edge of the explosion-proof upper shell from bottom to top, a first-stage installation platform at the bottom is arranged around the central rectangular window of the explosion-proof upper shell to form a touch screen installation groove, a second-stage installation platform in the middle is arranged around the touch screen installation groove to form an explosion-proof toughened glass installation groove, and a third-stage installation platform at the top is arranged around the explosion-proof toughened glass installation groove to form a display press frame installation groove; a raised limiting frame is arranged around the periphery of the display pressing frame mounting groove in a surrounding manner, an outer side frame is arranged around the bottom of the raised limiting frame in a surrounding manner, and the raised limiting frame is raised upwards relative to the display pressing frame mounting groove and the outer side frame; in addition, an opening is further formed in the touch screen mounting groove, and the opening extends into the display pressing frame mounting groove to form a touch screen wiring groove; a plurality of display pressing frame mounting screw holes are formed in the display pressing frame mounting groove;
the capacitive touch screen is fixed in the touch screen mounting groove by using sealing silica gel, a flat cable of the capacitive touch screen is arranged in the touch screen flat cable groove, the explosion-proof toughened glass is fixed in the explosion-proof toughened glass mounting groove, and the display screen pressing frame is fastened in the display pressing frame mounting groove by bolts placed in the display pressing frame mounting screw hole; the anti-explosion tempered glass is tightly attached to the capacitive touch screen, and a gap between the anti-explosion tempered glass and the anti-explosion upper shell is filled with sealing silica gel and is tightly pressed and fixed on the anti-explosion upper shell under the action of the display screen pressing frame; a window is formed in the center of the display screen pressing frame, a display screen mounting groove is formed around the window in a surrounding mode, and the display screen is fixed in the display screen mounting groove through fixing screws or sealing silica gel;
the explosion-proof lower shell is a box body provided with a rectangular opening at the top, the top surface of the explosion-proof lower shell is composed of a rectangular opening arranged at the center and a frame surrounding the opening, a plurality of second screw holes are arranged on the frame in a surrounding manner, the frame corresponds to the outer side frame of the explosion-proof upper shell, and the second screw holes correspond to the first screw holes of the explosion-proof upper shell one by one; the inner side wall of the box body of the explosion-proof lower shell is composed of an upper section inner side wall close to the top and a lower section inner side wall close to the bottom, the lower section inner side wall is closer to the center of the box body than the upper section inner side wall, the height of the upper section inner side wall is consistent with the height of an upward bulge of a bulge limiting frame of the explosion-proof upper shell relative to an outer side frame of the explosion-proof upper shell, and the wall thickness difference value of the lower section inner side wall and the upper section inner side wall is consistent with the thickness of the bulge limiting frame of the explosion-proof upper; a plurality of explosion-proof gram head mounting screw holes are also formed in one side surface of the explosion-proof lower shell, and the explosion-proof gram heads are fixed in the explosion-proof gram head mounting screw holes and are sealed by rubber pads; the explosion-proof gland head is used for connecting an explosion-proof hose with a power line or a signal line penetrating through the explosion-proof hose, and a gap of the explosion-proof gland head which is not connected with the explosion-proof hose is sealed by an explosion-proof plug and explosion-proof mud;
the computer main board, the display screen backlight board and the touch screen controller are respectively fixed on a plurality of copper studs arranged on the bottom surface of the explosion-proof lower shell, and a main board heat dissipation platform is arranged at a position corresponding to the computer main board on the back surface of the bottom of the explosion-proof lower shell; the computer mainboard is simultaneously connected with the display screen backlight board and the touch screen controller, the computer mainboard is also provided with a power supply interface for connecting a direct-current power supply, a display screen interface for connecting the display screen and a signal input and output interface for connecting a signal wire, the display screen backlight board is also provided with a display screen interface for connecting the display screen, the touch screen controller is connected with the Zener safety barrier, the Zener safety barrier is provided with a touch screen flat cable interface and a grounding interface for connecting a flat cable of the capacitive touch screen, and the grounding interface is connected to a grounding stud to realize grounding;
the cooperation of explosion-proof upper cover and explosion-proof box realizes through following mode: the explosion-proof box is characterized in that a display screen interface on the computer mainboard is connected with the display screen in the explosion-proof upper cover, the explosion-proof box is internally provided with the display screen interface on the display screen backlight plate and the explosion-proof upper cover, the display screen is connected with the explosion-proof box, the explosion-proof box is internally provided with a touch screen cable interface of the Zener safety grid and the explosion-proof upper cover, the capacitor touch screen cable is connected, the explosion-proof upper shell and the explosion-proof lower shell are aligned and are penetrated through by fastening bolts through the first screw holes and the second screw holes, the explosion-proof upper shell and the explosion-proof lower shell are fixed together, and a gap between the joint of the explosion-proof upper shell and the explosion-proof lower shell is 0-0.09 mm.
2. The industrial explosion-proof human-computer interface as claimed in claim 1, wherein the gap between the joints of the explosion-proof upper shell and the explosion-proof lower shell is 0-0.02 mm.
3. The industrial explosion-proof human-computer interface as claimed in claim 1, wherein the bottom back of the explosion-proof lower shell is provided with a plurality of mounting and fixing screw holes.
4. The industrial explosion-proof human-computer interface as claimed in claim 1, wherein four corners of the explosion-proof upper shell are rounded off, and four corners of the case body of the explosion-proof lower shell are rounded off.
5. The industrial explosion-proof human-computer interface as recited in claim 1 wherein the display screen is 7 inches, 10.4 inches or 12.1 inches in size.
6. An industrial explosion-proof human-machine interface as claimed in claim 1 wherein said explosion-proof upper shell and said explosion-proof lower shell are both cast from 6061-T6 aluminum alloy.
7. The industrial explosion proof man-machine interface as claimed in claim 1 wherein the fastening bolts passing through the first and second screw holes are stainless steel a2-70, M6 hexagon socket head cap bolts.
8. The industrial explosion-proof human-computer interface as claimed in claim 1, wherein the explosion-proof tempered glass is silica tempered glass with a thickness of 12 mm.
9. An industrial explosion-proof human-machine interface as claimed in claim 1 wherein said explosion-proof gland head is a stainless steel outer hexagonal explosion-proof gland head.
10. The industrial explosion-proof human-machine interface as claimed in claim 1, wherein the surfaces of the explosion-proof upper shell and the explosion-proof lower shell are sprayed with anticorrosive paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201820233694.7U CN207895424U (en) | 2018-02-09 | 2018-02-09 | The explosion-proof man-machine interface of industry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820233694.7U CN207895424U (en) | 2018-02-09 | 2018-02-09 | The explosion-proof man-machine interface of industry |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052241A (en) * | 2018-02-09 | 2018-05-18 | 武汉凯博珐生化智能科技有限公司 | The explosion-proof man-machine interface of industry |
| CN111741622A (en) * | 2020-08-12 | 2020-10-02 | 阳泉煤业（集团）股份有限公司 | Movable explosion-proof control terminal |
-
2018
- 2018-02-09 CN CN201820233694.7U patent/CN207895424U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052241A (en) * | 2018-02-09 | 2018-05-18 | 武汉凯博珐生化智能科技有限公司 | The explosion-proof man-machine interface of industry |
| CN108052241B (en) * | 2018-02-09 | 2023-11-10 | 武汉凯博珐生化智能科技有限公司 | Industrial explosion-proof man-machine interface |
| CN111741622A (en) * | 2020-08-12 | 2020-10-02 | 阳泉煤业（集团）股份有限公司 | Movable explosion-proof control terminal |
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