CN204302684U - A kind of electrical equipment aobvious control case of essential safety - Google Patents
A kind of electrical equipment aobvious control case of essential safety Download PDFInfo
- Publication number
- CN204302684U CN204302684U CN201420747941.7U CN201420747941U CN204302684U CN 204302684 U CN204302684 U CN 204302684U CN 201420747941 U CN201420747941 U CN 201420747941U CN 204302684 U CN204302684 U CN 204302684U
- Authority
- CN
- China
- Prior art keywords
- intrinsic safety
- module
- casing
- indicator lamp
- intrinsic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Casings For Electric Apparatus (AREA)
Abstract
The utility model belongs to explosion-proof technology field, is specifically related to a kind of electrical equipment aobvious control case of essential safety, and object solves existing electrical equipment to show the problem controlling box body heaviness, function singleness.It is characterized in that: it comprises intrinsic safety casing (1), intrinsic safety display module (2), intrinsic safety keyboard (3), intrinsic safety button and indicator lamp (4), intrinsic safety control module (5), aviation plug (6), damper (7) and terminal plate (8); Wherein, intrinsic safety control module (5) and terminal plate (8) are arranged in intrinsic safety casing (1), and intrinsic safety display module (2), intrinsic safety keyboard (3) and intrinsic safety button and indicator lamp (4) are arranged in intrinsic safety casing (1) front end face; Aviation plug (6) is arranged on intrinsic safety casing (1) bottom, and damper (7) is arranged on intrinsic safety casing (1) rear portion.The utility model adopts the intrinsic safety casing of corrosion resistant plate muscle bending, lighter in weight; Structure is simple, integrated level is high, applicability is strong.
Description
Technical field
The utility model belongs to explosion-proof technology field, is specifically related to a kind of electrical equipment aobvious control case of essential safety.
Background technology
In colliery, gas station, the explosive place such as oiler, electrical equipment aobvious control case need possess explosion-resistance characteristic.Existing explosion-proof aobvious control case is mostly flame-proof type, and tank wall is generally thicker, and body structure is heavy, and existing intrinsic safety type aobvious control box function is more single, how can only be used for stationary applica-tions.
Summary of the invention
The purpose of this utility model solves existing electrical equipment to show the problem controlling box body heaviness, function singleness, provides a kind of electrical equipment aobvious control case of essential safety.
The utility model is achieved in that
An electrical equipment aobvious control case for essential safety, comprises intrinsic safety casing, intrinsic safety display module, intrinsic safety keyboard, intrinsic safety button and indicator lamp, intrinsic safety control module, aviation plug, damper and terminal plate; Wherein, intrinsic safety control module and terminal plate are arranged in intrinsic safety casing, and intrinsic safety display module, intrinsic safety keyboard and intrinsic safety button and indicator lamp are arranged in intrinsic safety casing front end face; Aviation plug is arranged on intrinsic safety bottom half, and damper is arranged on intrinsic safety casing rear portion.
Intrinsic safety casing as above is stainless steel casing, and intrinsic safety casing comprises main box and upper cover plate, and main box entirety is the stainless steel casing of front opening, and its anterior two ends up and down fold a rectangular recess; Intrinsic safety control module and terminal plate are arranged on main box inside; Upper cover plate is stainless steel "] " shape, upper cover plate is sleeved in main box front end face, and the part that upper and lower two ends are extended is enclosed within main box front portion; Intrinsic safety display module, intrinsic safety keyboard, intrinsic safety button and indicator lamp are from top to bottom arranged on upper cover plate successively.
Intrinsic safety button as above and indicator lamp are arranged on intrinsic safety casing front end face bottom.
Intrinsic safety display module as above comprises intrinsic safety display module and installing plate, and intrinsic safety display module adopts intrinsic safety charactron or intrinsic safety LCDs to realize, and installing plate is metal tabular; Described intrinsic safety keyboard comprises numeric keypad and arranges keypad; Intrinsic safety button and indicator lamp comprise function button and indicator lamp
Intrinsic safety control module as above comprises MCU unit, isolation module, signal processing module, memory, bus communication module and driver module; Wherein, MCU unit is connected with signal processing module, isolation module, bus communication module, driver module and memory respectively; Isolation module is also connected with the output of the intrinsic safety button in sensor, intrinsic safety button and indicator lamp, the output of intrinsic safety keyboard and the input of signal processing module respectively; Bus communication module is also connected with host computer by bus; Driver module is also connected with the indicator lamp of intrinsic safety display module, intrinsic safety button and indicator lamp and other external equipments.
MCU unit as above adopts single-chip microcomputer, PLC or embedded chip to realize; Isolation module adopts three tunnel isolation operational amplification circuits to realize, and isolation operational amplification circuit comprises photoelectrical coupler, relay and isolation operational amplifier; Signal processing module adopts signal amplification circuit, signaling conversion circuit, signal integer circuit or signal filter circuit to realize; Memory selects eeprom chip or Flash chip.
Aviation plug as above is arranged on intrinsic safety bottom half; Damper is arranged on intrinsic safety casing rear portion; Terminal plate connects intrinsic safety control module and outside inlet wire.
The beneficial effects of the utility model are:
The utility model adopts the intrinsic safety casing 1 of corrosion resistant plate muscle bending, and lighter in weight, is easy to installation and maintenance; Adopt intrinsic safety display module 2, intrinsic safety button and indicator lamp 4 etc. man-machine interaction unit complete, adopt modularized design, be convenient to maintenance and change; Peace control module functional integration is high, possesses the functions such as signal isolation, signal transacting, output driving, bus communication, enables the input/output signal of aobvious control case to various external equipment process and control.The utility model structure is simple, integrated level is high, applicability is strong, can in various explosive place application.
Accompanying drawing explanation
Fig. 1 is the front view that the electrical equipment of a kind of essential safety of the present utility model shows control case;
Fig. 2 is the side sectional view of Fig. 1;
Fig. 3 is the partial sectional view of intrinsic safety casing in Fig. 1;
Fig. 4 is the structure principle chart of intrinsic safety control module in Fig. 2;
In figure: 1. intrinsic safety casing, 2. intrinsic safety display module, 3. intrinsic safety keyboard, 4. intrinsic safety button and indicator lamp, 5. intrinsic safety control module, 6. aviation plug, 7. damper, 8. terminal plate, 9. main box, 10. upper cover plate, 11. intrinsic safety display modules, 12. installing plates.
Detailed description of the invention
Below in conjunction with drawings and Examples, the electrical equipment of a kind of essential safety of the present utility model aobvious control case is introduced:
As shown in Figure 1, 2, a kind of electrical equipment aobvious control case of essential safety, comprises intrinsic safety casing 1, intrinsic safety display module 2, intrinsic safety keyboard 3, intrinsic safety button and indicator lamp 4, intrinsic safety control module 5, aviation plug 6, damper 7 and terminal plate 8.Wherein, intrinsic safety casing 1 is stainless steel casing.Intrinsic safety display module 2 shows needing detection signal, and it is arranged on intrinsic safety casing 1 front end face top.Intrinsic safety keyboard 3 provides digital input interface, and it is arranged in the middle part of intrinsic safety casing 1 front end face.Intrinsic safety button and indicator lamp 4 are as the lamplight pointing of function button to be operated and equipment state, and it is arranged on intrinsic safety casing 1 front end face bottom.The input signal of intrinsic safety control module 5 pairs of external equipments processes according to setting program, and control signal is exported, and it adopts fieldbus to communicate with higher level's control appliance, and intrinsic safety control module 5 is arranged in intrinsic safety casing 1.Aviation plug 6 is arranged on bottom intrinsic safety casing 1, as external cable interface, adopts the mode of cabling in the raised floor, is easy for installation and maintenance.Damper 7 is arranged on intrinsic safety casing 1 rear portion, strengthens the ability that electrical equipment shows the shock resistance vibrations of control case, makes equipment adapt to the application scenario higher to equipment shock-resistant vibration resistance requirement such as oiler.Terminal plate 8 is intrinsic safety control module 5 and the connection hinge of outside inlet wire, and avoid outside inlet wire to be directly connected with intrinsic safety control module 5 and the maintenance that causes and difficulty, it is arranged in intrinsic safety casing 1,
In the present embodiment, intrinsic safety casing 1 comprises main box 9 and upper cover plate 10, and main box 9 entirety is the stainless steel casing of front opening, and as shown in Figure 3, its anterior two ends up and down fold a rectangular recess.It is inner that intrinsic safety control module 5 and terminal plate 8 are arranged on main box 9.Upper cover plate 10 is stainless steel "] " shape, it is sleeved in main box 9 front end face, and it is anterior that the part that upper and lower two ends are extended is enclosed within main box 9.Intrinsic safety display module 2, intrinsic safety keyboard 3, intrinsic safety button and indicator lamp 4 are from top to bottom arranged on upper cover plate 10 successively.Main box 9 is fixedly connected with by screw with upper cover plate 10.
Intrinsic safety display module 2 comprises intrinsic safety display module 11 and installing plate 12, and intrinsic safety display module 11 can select intrinsic safety charactron or intrinsic safety LCDs to realize as required, and installing plate 12 is metal tabular, and installing plate 12 and upper cover plate 10 are connected by screw.
Intrinsic safety keyboard 3 comprises numeric keypad and arranges keypad, and keyboard quantity and size can adjust as required.
Intrinsic safety button and indicator lamp 4 comprise function button and indicator lamp, and the number, color etc. of number of buttons, form and indicator lamp all can adjust as required.
As shown in Figure 4, intrinsic safety control module 5 comprises MCU unit, isolation module, signal processing module, memory, bus communication module and driver module.Wherein, MCU unit respectively with signal processing module, isolation module, bus communication module, driver module is connected with memory, it reads the controling parameters of pre-stored in memory, receive the input signal through the external equipment of isolation module process, from the information of the host computer transmission that bus communication module sends, prior art is adopted to carry out logical operation to above-mentioned input signal and information according to above-mentioned controling parameters, go mistake, numerical compensation, then the signal obtained after process is sent to driver module, and send to host computer by bus communication module, also the information obtained after process is stored in memory.MCU unit can adopt the realizations such as single-chip microcomputer, PLC or embedded chip.
Isolation module is also connected with the output of the intrinsic safety button in sensor, intrinsic safety button and indicator lamp 4, the output of intrinsic safety keyboard 3 and the input of signal processing module, isolates it.Wherein, the signal coming sensor or other ancillary equipment sends to signal processing module after isolation, directly sends to MCU unit after isolating from the output signal of the intrinsic safety button in intrinsic safety button and indicator lamp 4 and intrinsic safety keyboard 3.Isolation module adopts three tunnel isolation operational amplification circuits to realize, and isolation operational amplification circuit can be made up of photoelectrical coupler, relay, isolation operational amplifier etc.
The input signal of signal processing module to the sensor after isolation module process or other peripheral hardwares processes, in the scope that can be received to MCU unit by its range-adjusting.Processing module can adopt the realizations such as signal amplification circuit, signaling conversion circuit, signal integer circuit, signal filter circuit, can adjust according to different input signals to the built-up circuit of signal processing unit.
The information etc. obtained after the controling parameters that memory storage pre-sets, MCU cell processing, can select EPROM chip, Flash chip etc.
Bus communication module is also connected with host computer by bus, and the information of the host computer received is sent to MCU unit by it, and the information that MCU unit sends is transmitted to host computer.As required, module can select CAN, 485 buses etc.
Driver module is also connected with the indicator lamp of intrinsic safety display module 2, intrinsic safety button and indicator lamp 4 and other external equipments, the output signal of MCU unit is amplified, conversion process, send it to indicator lamp and other external equipments of intrinsic safety display module 2, intrinsic safety button and indicator lamp 4.It comprises display driver circuit, drive circuit of indicator and other drive circuits, the display, indicator lamp signal and other signals that export MCU unit respectively carry out amplification conversion, then send it to indicator lamp and other external equipments of intrinsic safety display module 2, intrinsic safety button and indicator lamp 4 respectively.
The utility model adopts the intrinsic safety casing 1 of corrosion resistant plate muscle bending, and lighter in weight, is easy to installation and maintenance; Adopt intrinsic safety display module 2, intrinsic safety button and indicator lamp 4 etc. man-machine interaction unit complete, adopt modularized design, be convenient to maintenance and change; Peace control module functional integration is high, possesses the functions such as signal isolation, signal transacting, output driving, bus communication, enables the input/output signal of aobvious control case to various external equipment process and control.The utility model structure is simple, integrated level is high, applicability is strong, can in various explosive place application.
Claims (7)
1. an electrical equipment aobvious control case for essential safety, is characterized in that: it comprises intrinsic safety casing (1), intrinsic safety display module (2), intrinsic safety keyboard (3), intrinsic safety button and indicator lamp (4), intrinsic safety control module (5), aviation plug (6), damper (7) and terminal plate (8); Wherein, intrinsic safety control module (5) and terminal plate (8) are arranged in intrinsic safety casing (1), and intrinsic safety display module (2), intrinsic safety keyboard (3) and intrinsic safety button and indicator lamp (4) are arranged in intrinsic safety casing (1) front end face; Aviation plug (6) is arranged on intrinsic safety casing (1) bottom, and damper (7) is arranged on intrinsic safety casing (1) rear portion.
2. the electrical equipment aobvious control case of a kind of essential safety according to claim 1, it is characterized in that: described intrinsic safety casing (1) is stainless steel casing, intrinsic safety casing (1) comprises main box (9) and upper cover plate (10), main box (9) entirety is the stainless steel casing of front opening, and its anterior two ends up and down fold a rectangular recess; It is inner that intrinsic safety control module (5) and terminal plate (8) are arranged on main box (9); Upper cover plate (10) is stainless steel "] " shape, upper cover plate (10) is sleeved in main box (9) front end face, and it is anterior that the part that upper and lower two ends are extended is enclosed within main box (9); Intrinsic safety display module (2), intrinsic safety keyboard (3), intrinsic safety button and indicator lamp (4) are from top to bottom arranged on upper cover plate (10) successively.
3. the electrical equipment aobvious control case of a kind of essential safety according to claim 1, is characterized in that: described intrinsic safety button and indicator lamp (4) are arranged on intrinsic safety casing (1) front end face bottom.
4. the electrical equipment aobvious control case of a kind of essential safety according to claim 3, it is characterized in that: described intrinsic safety display module (2) comprises intrinsic safety display module (11) and installing plate (12), intrinsic safety display module (11) adopts intrinsic safety charactron or intrinsic safety LCDs to realize, and installing plate (12) is metal tabular; Described intrinsic safety keyboard (3) comprises numeric keypad and arranges keypad; Intrinsic safety button and indicator lamp (4) comprise function button and indicator lamp.
5. the electrical equipment aobvious control case of a kind of essential safety according to claim 1, is characterized in that: described intrinsic safety control module (5) comprises MCU unit, isolation module, signal processing module, memory, bus communication module and driver module; Wherein, MCU unit is connected with signal processing module, isolation module, bus communication module, driver module and memory respectively; Isolation module is also connected with the output of the intrinsic safety button in sensor, intrinsic safety button and indicator lamp (4), the output of intrinsic safety keyboard (3) and the input of signal processing module respectively; Bus communication module is also connected with host computer by bus; Driver module is also connected with other external equipments with the indicator lamp of intrinsic safety display module (2), intrinsic safety button and indicator lamp (4).
6. the electrical equipment aobvious control case of a kind of essential safety according to claim 5, is characterized in that: described MCU unit adopts single-chip microcomputer, PLC or embedded chip to realize; Isolation module adopts three tunnel isolation operational amplification circuits to realize, and isolation operational amplification circuit comprises photoelectrical coupler, relay and isolation operational amplifier; Signal processing module adopts signal amplification circuit, signaling conversion circuit, signal integer circuit or signal filter circuit to realize; Memory selects eeprom chip or Flash chip.
7. the electrical equipment aobvious control case of a kind of essential safety according to claim 1, is characterized in that: described aviation plug (6) is arranged on intrinsic safety casing (1) bottom; Damper (7) is arranged on intrinsic safety casing (1) rear portion; Terminal plate (8) connects intrinsic safety control module (5) and outside inlet wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420747941.7U CN204302684U (en) | 2014-12-02 | 2014-12-02 | A kind of electrical equipment aobvious control case of essential safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420747941.7U CN204302684U (en) | 2014-12-02 | 2014-12-02 | A kind of electrical equipment aobvious control case of essential safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204302684U true CN204302684U (en) | 2015-04-29 |
Family
ID=53108214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420747941.7U Active CN204302684U (en) | 2014-12-02 | 2014-12-02 | A kind of electrical equipment aobvious control case of essential safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204302684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272915A (en) * | 2017-06-20 | 2017-10-20 | 煤科集团沈阳研究院有限公司 | A kind of intelligent intrinsic safety communication keypad device |
-
2014
- 2014-12-02 CN CN201420747941.7U patent/CN204302684U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272915A (en) * | 2017-06-20 | 2017-10-20 | 煤科集团沈阳研究院有限公司 | A kind of intelligent intrinsic safety communication keypad device |
| CN107272915B (en) * | 2017-06-20 | 2024-04-26 | 煤科集团沈阳研究院有限公司 | Intelligent intrinsic safety communication keyboard device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103472752B (en) | A kind of infrared many gears gesture identification switch and gesture identification method | |
| CN204302684U (en) | A kind of electrical equipment aobvious control case of essential safety | |
| CN203941449U (en) | Safety and stability control device for electric power test research system | |
| CN105937129A (en) | Washing machine and communication control system thereof | |
| CN204302748U (en) | A kind of electric appliance control box based on flameproof principle | |
| CN203766776U (en) | Audio and video display terminal of locomotive-mounted safety protection system | |
| CN205942363U (en) | Electrically controlled device and electric heating equipment | |
| CN106714013A (en) | Bluetooth sound box | |
| CN203287030U (en) | Input device, field instrument body and field instrument | |
| CN202353178U (en) | Universal protector | |
| CN210513522U (en) | Intelligent digital pressure transmitter | |
| CN204014326U (en) | A kind of small-sized starting Unloading Control box | |
| CN201638097U (en) | Temperature controller | |
| CN202633674U (en) | Intelligent plug board monitoring system | |
| CN204790683U (en) | Expand external member and use this electron device who expands external member | |
| CN204988325U (en) | Remote control remote sensing industry sensor based on bluetooth communication | |
| CN207676137U (en) | A kind of Collagent casing for sausages set contracting machine plus-pressure digital display controller | |
| CN203643439U (en) | Water quality analysis modular digital transmitter | |
| CN202858802U (en) | Electric rice cooker with wireless power supply and communication function and operation display interface | |
| CN211190057U (en) | Automatic water injection device | |
| CN210958170U (en) | Novel 86 box line arrangement | |
| CN208862985U (en) | Integrated video conversion apparatus | |
| CN207780596U (en) | A kind of general-purpose control system instrument debugging tool | |
| CN204517640U (en) | Separate type frequency conversion drive all-in-one | |
| CN203455650U (en) | Extension switching value input module for double-channel CAN bus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |