CN201908691U - Explosion suppression and intrinsic safety type central control device for explosive gas environments - Google Patents
Explosion suppression and intrinsic safety type central control device for explosive gas environments Download PDFInfo
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- CN201908691U CN201908691U CN2011200060502U CN201120006050U CN201908691U CN 201908691 U CN201908691 U CN 201908691U CN 2011200060502 U CN2011200060502 U CN 2011200060502U CN 201120006050 U CN201120006050 U CN 201120006050U CN 201908691 U CN201908691 U CN 201908691U
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Abstract
The utility model discloses an explosion suppression and intrinsic safety type central control device for explosive gas environments, which comprises a power module unit, a display module unit, a main control microprocessor, a memory module, a communication expansion module and a communication isolation module, wherein the power module unit consists of an alternating current (AC)/direct current (DC) switching power supply, an AC/DC intrinsic safety power supply and a DC/DC power supply board; the display module unit is formed by a display drive board, a display control panel which is electrically connected with the output end of the display drive board, a display inverter and a display; the control output end of the main control microprocessor is electrically connected with the input end of the display drive board; the communication interface of the main control microprocessor is respectively connected with the communication expansion module, the communication isolation module and the memory module in a communication way; and the communication interface of the communication expansion module is connected with the communication isolation module in the communication way. The explosion suppression and intrinsic safety type central control device for explosive gas environments has the advantages that all the output signals of a central controller are ensured to be intrinsically safe signals, and the application scope of the communication interface is greatly expanded.
Description
Technical field
The utility model relates to the watch-dog of workplace under the coal mine, especially relates to the Flameproof and intrinsically safe central control unit that is used for the explosion gas environment.
Background technology
Along with country improves the requirement of Safety of Coal Mine Production and usefulness, to the also increase day by day of demand of underground equipment supervising device.The special production environment in down-hole makes the general industry supervising device directly to move in the down-hole.What down-hole utilization at present was more is embedded monitoring equipment, takes high-grade ARM caryogamy with the TFT display screen, reaches the intrinsic safety type requirement after the specially treated of internal circuit electrical characteristic; But the general range of application specific aim of this series products is stronger, and software and hardware all need customize, and manufacturing cost is higher, and communication interface type, performance, memory space all can not satisfy the monitoring demand of down-hole fully-mechanized mining working integral device.
Summary of the invention
The utility model purpose is to provide a kind of range of application and the wide Flameproof and intrinsically safe central control unit that is used for the explosion gas environment of communication interface type.
For achieving the above object, the utility model can be taked following technical proposals:
The Flameproof and intrinsically safe central control unit that is used for the explosion gas environment described in the utility model, it comprises power module unit, display module unit, main control microprocessor, memory module, communication expansion module, communication isolation module; Described power module unit is made up of AC/DC Switching Power Supply, AC/DC intrinsic safety electric source, DC/DC power supply board; Described display module unit is made of display drive plate, the display control panel that is electrically connected on described display drive plate output, display inversion plate and display; Described display inversion plate output is electrically connected with the display power supply input; Described AC/DC intrinsic safety electric source output is electrically connected with the isolation module power input of communicating by letter; Described AC/DC Switching Power Supply output one tunnel is electrically connected on display drive plate power input, and another road powers to described main control microprocessor by described DC/DC power supply board; The control output end of main control microprocessor is electrically connected with display drive plate input; The communication interface of main control microprocessor realizes communicating to connect with the expansion module of communicating by letter, communication isolation module and memory module respectively; The communication interface of communication expansion module communicates to connect with the isolation module of communicating by letter.
Described communication isolation module is made up of RS485/422/232 interface, electric current loop signaling interface, CAN EBI, USB interface, ethernet signal interface, fiber-optic signal interface and keyboard and mouse excuse; Be provided with the indicating circuit plate in described display module unit, described indicating circuit partitioned signal input is electrically connected with the signal output part of main control microprocessor, display drive plate and the expansion module of communicating by letter respectively.
The utility model advantage is that the power module unit is set to be made of AC/DC Switching Power Supply, AC/DC intrinsic safety electric source, DC/DC power supply board three parts, make Switching Power Supply separately for the display module unit provides power supply input, and be combined into main control microprocessor with the DC/DC power supply board power supply is provided; And the AC/DC intrinsic safety electric source directly provides the intrinsic safety electric source input for the communication isolation module.The communication isolation module is the intrinsic safety signal by the conversion between interior lights electric coupling circuit or device realization intrinsic safety signal and the non-intrinsic safety signal to guarantee the central controller output signal, has expanded the scope of application of communication interface greatly.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present utility model.
The specific embodiment
Shown in 1 figure, the Flameproof and intrinsically safe central control unit that is used for the explosion gas environment described in the utility model, it comprises power module unit 1, display module unit 2, main control microprocessor, memory module, communication expansion module, communication isolation module; Described power module unit is made up of AC/DC Switching Power Supply, AC/DC intrinsic safety electric source, DC/DC power supply board; The AC/DC Switching Power Supply is supported the wide voltage input of AC90-250V, DC12V output; The AC/DC intrinsic safety electric source is supported the wide voltage input of AC90-250V, DC12V, 5V output; The DC/DC power supply board is supported the wide voltage input of DC9-36V, DC12V, 5V output.Described display module unit is made of display drive plate, the display control panel that is electrically connected on described display drive plate output, display inversion plate and display; Display is 17 cun LCDs, supports VGA, LVDS mode to insert.Described display inversion plate output is electrically connected with the display power supply input; Described AC/DC intrinsic safety electric source output is electrically connected with the isolation module power input of communicating by letter; Described AC/DC Switching Power Supply output one tunnel is electrically connected on display drive plate power input, and another road powers to described main control microprocessor by described DC/DC power supply board; Main control microprocessor is based on built-in PC 104 structures, adopt low-power consumption, high performance Intel Atom N270 1.6G processor and Mobile Intel 945GSE+ICH7-M chipset design, support plate carries 1G DDR2 533MHZ internal memory, operating ambient temperature range is-40-+80 ℃, and humidity range is non-condensing state 5%-90%.The control output end of main control microprocessor is electrically connected with display drive plate input; The communication interface of main control microprocessor realizes communicating to connect with the expansion module of communicating by letter, communication isolation module and memory module respectively; The communication interface of communication expansion module communicates to connect with the isolation module of communicating by letter.CAN2.0 EBI, USB interface, ethernet signal interface, fiber-optic signal interface and keyboard and mouse excuse that described communication isolation module provides the optional serial line interface of four road RS485/422/232, one road 20mA electric current loop signaling interface, two-way to isolate the self adaptation baud rate are formed; Be provided with the indicating circuit plate in described display module unit, described indicating circuit partitioned signal input is electrically connected with the signal output part of main control microprocessor, display drive plate and the expansion module of communicating by letter respectively.
Claims (2)
1. Flameproof and intrinsically safe central control unit that is used for the explosion gas environment, it comprises power module unit (1), display module unit (2), main control microprocessor, memory module, communication expansion module, communication isolation module; It is characterized in that: described power module unit is made up of AC/DC Switching Power Supply, AC/DC intrinsic safety electric source, DC/DC power supply board; Described display module unit is made of display drive plate, the display control panel that is electrically connected on described display drive plate output, display inversion plate and display; Described display inversion plate output is electrically connected with the display power supply input; Described AC/DC intrinsic safety electric source output is electrically connected with the isolation module power input of communicating by letter; Described AC/DC Switching Power Supply output one tunnel is electrically connected on display drive plate power input, and another road powers to described main control microprocessor by described DC/DC power supply board; The control output end of main control microprocessor is electrically connected with display drive plate input; The communication interface of main control microprocessor realizes communicating to connect with the expansion module of communicating by letter, communication isolation module and memory module respectively; The communication interface of communication expansion module communicates to connect with the isolation module of communicating by letter.
2. according to the described Flameproof and intrinsically safe central control unit that is used for the explosion gas environment of claim 1, it is characterized in that: described communication isolation module is made up of RS485/422/232 interface, electric current loop signaling interface, CAN EBI, USB interface, ethernet signal interface, fiber-optic signal interface and keyboard and mouse excuse; Be provided with the indicating circuit plate in described display module unit, described indicating circuit partitioned signal input is electrically connected with the signal output part of main control microprocessor, display drive plate and the expansion module of communicating by letter respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200060502U CN201908691U (en) | 2011-01-11 | 2011-01-11 | Explosion suppression and intrinsic safety type central control device for explosive gas environments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200060502U CN201908691U (en) | 2011-01-11 | 2011-01-11 | Explosion suppression and intrinsic safety type central control device for explosive gas environments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201908691U true CN201908691U (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200060502U Expired - Lifetime CN201908691U (en) | 2011-01-11 | 2011-01-11 | Explosion suppression and intrinsic safety type central control device for explosive gas environments |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033539A (en) * | 2011-01-11 | 2011-04-27 | 郑州煤矿机械集团股份有限公司 | Explosion-proof and intrinsic safety type central control device for explosive gas environment |
| US8531422B2 (en) | 2011-09-12 | 2013-09-10 | Siemens Aktiengesellschaft | Intrinsically safe touch screen for process equipment |
| CN103528993A (en) * | 2013-11-04 | 2014-01-22 | 中绿环保科技股份有限公司 | Laser gas analyzer |
| CN104092387A (en) * | 2014-06-16 | 2014-10-08 | 福建睿能科技股份有限公司 | Flat knitting machine and power supply method thereof |
-
2011
- 2011-01-11 CN CN2011200060502U patent/CN201908691U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033539A (en) * | 2011-01-11 | 2011-04-27 | 郑州煤矿机械集团股份有限公司 | Explosion-proof and intrinsic safety type central control device for explosive gas environment |
| US8531422B2 (en) | 2011-09-12 | 2013-09-10 | Siemens Aktiengesellschaft | Intrinsically safe touch screen for process equipment |
| CN103528993A (en) * | 2013-11-04 | 2014-01-22 | 中绿环保科技股份有限公司 | Laser gas analyzer |
| CN104092387A (en) * | 2014-06-16 | 2014-10-08 | 福建睿能科技股份有限公司 | Flat knitting machine and power supply method thereof |
| CN104092387B (en) * | 2014-06-16 | 2017-02-22 | 福建睿能科技股份有限公司 | Flat knitting machine and power supply method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110727 |