CN201178474Y - Down-hole short message terminal for coal mine - Google Patents
Down-hole short message terminal for coal mine Download PDFInfo
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- CN201178474Y CN201178474Y CNU2008200925229U CN200820092522U CN201178474Y CN 201178474 Y CN201178474 Y CN 201178474Y CN U2008200925229 U CNU2008200925229 U CN U2008200925229U CN 200820092522 U CN200820092522 U CN 200820092522U CN 201178474 Y CN201178474 Y CN 201178474Y
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- short message
- explosion
- coal mine
- message terminal
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Abstract
A short message terminal in mine well comprises an anti-explosion keypad assembly assembled on an anti-explosion housing, a network drive module having an industrial control bus interface connected with the network, an identity recognition module having a receiving probe arranged below a transparent window or a plastic part of the anti-explosion housing, a display screen below the transparent window for displaying a short message and controlling prompt characters, and a main control module connected with the network drive module, a key scan circuit, the identity recognition module, the display screen and a Chinese character library. During use, the short message terminal reads the number of a card by swiping the card on the terminal; then an inquiry request is transmitted to the network, and the terminal waits for the reply; and the network sends a new short message or no information prompt. The anti-explosive keypad assembly has small size and good hand feeling, and can prevent water, dust and corrosion. The short message terminal can be accessed in the prior detection system as a substation, thereby providing a new channel for communicating with the command department for the mine well.
Description
Technical field
The utility model relates to the transmission of digital information, and in explosive gas atmosphere the mutual input on the electric equipment, typing character, message editor; Be particularly related to the visit common bus, information is in the transmission of common bus; Relate in particular to device with concentrated access control.
Background technology
In the prior art, the mobile phone or the note device that can send short message under conventional environment are various in style, innumerable, but these mobile phones or note device all are to come transmission signals at ground space by radio wave, these equipment all are not suitable for explosive gas atmosphere and use because of can't pass explosion-proof test.
For example under the coal mine, though explosion-proof dispatching telephone is arranged, with huge job site distribution, these dispatching telephone quantity are less relatively.And these phones can not move all in the fixed location installation.The mobile big personnel in a few thing post, down-hole, general work character is all important, handles some accidents if seek these mobile personnel by dispatching telephone, and the missing difficulty is bigger.
Moreover, when accident takes place, if disaster-stricken place dispatching telephone broken string or damage have just lost the passage of getting in touch with the higher level.
Though also bring into use radio telephone under the coal mine, but the natural conditions that are different from ground space under the coal mine, one comes coal geology to absorb very big to radio wave, it is not ideal that narrow job site is provided with the base station effect in the space, therefore support wireless telephonic base station mostly to be arranged on bigger main tunnel, space, and owing to the cost reason, what also the base station can not be provided with is very intensive.And often occurring in narrow job site, space in disaster, the scene of this moment needs most with the external world and gets in touch.
Under the coal mine Environmental security supervisory control system and personal security supervisory control system have been installed mostly at present, but have not also utilized existing system to realize that the equipment of the short message communication of complete explosion comes out so far.Need also want the dustproof and waterproof anticorrosion with the check of device housings by the standard-required of electric equipment under GB3836.1～4 explosion gas environment because realize the keyboard of short message communication, this has big difficulty technically.
Utility model content the technical problems to be solved in the utility model is, avoid above-mentioned the deficiencies in the prior art part and propose a kind of structure of short message terminal under coal mine, the explosion-proof keyboard category that the utility model short message terminal adopts is similar to the keyboard that uses on common computer, the mobile phone, the anticorrosion of the little good hand touch water proof and dust proof of volume.During use, each user need be stuck on the short message terminal with identification and swipe the card, and just can enter operational phase, and short message terminal is as a substation or insert existing detection system network, or networking voluntarily.When inserting existing detection system network, can make an equipment separately, also can with the shared same shell of existing checkout equipment, so can narrow job site, deep enough space, thereby provide a new tunnel of communicating by letter for the working site with commanding agency.
The utility model helps production scheduling, is of value to safety in production and disaster relief.
The utility model is realized by adopting following technical scheme.
Manufacture and design a kind of short message terminal under coal mine, comprising:
One explosion-proof keyboard group is assemblied on the explosion-proof casing, and the lead-in wire of described explosion-proof keyboard group inserts key scanning circuit;
One network-driven module, its coffret are the industrial-controlled general line interfaces;
The message pick-up probe of one identity identification module is installed under the light inlet window or plastic cement part of explosion-proof casing;
One display screen is installed under the light inlet window of explosion-proof casing, shows short message and control prompting character;
One Hanzi font library, storage Chinese character, symbol, English character;
One main control module connects network-driven module, key scanning circuit, identification module, display screen Hanzi font library.
In the first embodiment, described short message terminal under coal mine is installed in the separate housing; After described explosion-proof keyboard group was assembled on the explosion-proof casing, shell integral body met GB 3836 explosive gas atmosphere electric equipment standard-requireds, and described terminal has unique station number.
In second execution mode, described short message terminal under coal mine is installed on multiplexing shell; After described explosion-proof keyboard group was assembled on the explosion-proof casing, shell integral body met GB 3836 explosive gas atmosphere electric equipment standard-requireds, and the short message terminal under coal mine in the multiplexing shell partly has independently unique station number.
Described message pick-up probe comprises RFID (Radio/Frequency Identification) wireless probe, radio-frequency card antenna, bar code reader, photelectric receiver.
Described coffret comprises RS485 bus interface, CAN (Controller Area Network) bus interface, WORLDFIP (world factory instrumentation protocol) bus interface, foundation fieldbus interface, Industrial Ethernet interface.
Described message pick-up probe reads the distance of identification card card number less than 40cm.
Described message pick-up probe receives the card number of identification card, is transferred to main control module, and main control module sends to coffret and comprises card number, station number own, the inquiry request instruction of purpose station number.
Described main control module also sends the time that comprises station number own, card number, short message reading breath, the return information of letter substation station number to coffret.
The demonstration of described display screen comprises the card number of the identification card that reads, the historical note record catalogue of this card number, and the prompt that whether reads historical record.
Compared with prior art, explosion-proof keyboard group volume of the present utility model is little, good hand touch, and dustproof and waterproof, the keyboard typing that meets people is accustomed to, and is adapted at using in the explosive gas atmosphere.
The utility model utilizes existing supervisory control system network in colliery or special networking, utilizes existing identification card to form down-hole～aboveground short message communication network, and cost is low.
The utility model is for providing the new tunnel of another scene except that dispatching telephone and commanding agency contact under the coal mine.
Description of drawings
Fig. 1 is that the explosion-proof keyboard of the utility model short message terminal under coal mine is assemblied in the schematic diagram on the explosion-proof casing;
Fig. 2 is the schematic diagram of the separate housing of the utility model short message terminal under coal mine;
Fig. 3 is the schematic diagram of the multiplexing shell of the utility model short message terminal under coal mine;
Fig. 4 is the schematic diagram the during primary importance of keycap main body when not being pressed in a kind of execution mode of the explosion-proof keyboard group of the utility model short message terminal under coal mine;
Fig. 5 is the schematic diagram the during second place of keycap main body when pressing in a kind of execution mode of the explosion-proof keyboard of the utility model short message terminal under coal mine;
Fig. 6 is provided with keycap character, the schematic diagram when identification card is bar code on the explosion-proof keyboard of the utility model short message terminal under coal mine;
Fig. 7 is provided with keycap character, the schematic diagram when identification card is radio-frequency card on the explosion-proof keyboard of the utility model short message terminal under coal mine;
Fig. 8 is provided with keycap character, the schematic diagram when identification card is the infrared coding transmission cards on the explosion-proof keyboard of the utility model short message terminal under coal mine;
Fig. 9 is the schematic diagram of the identification module variety of way of the utility model short message terminal under coal mine identification card variety of way and correspondence;
Figure 10 is the utility model short message terminal under coal mine, at the electrical schematic diagram of one of execution mode of Fig. 4 execution mode key scanning circuit;
Figure 11 is the utility model short message terminal under coal mine, at the electrical schematic diagram of one of the execution mode of luminescent device in Fig. 4 execution mode key scanning circuit;
Figure 12 is the utility model short message terminal under coal mine, at the electrical schematic diagram of one of keyboard scan integrated circuit selection in Fig. 4 execution mode key scanning circuit;
Figure 13 is the schematic diagram of the utility model short message terminal under coal mine when being connected in network;
Figure 14 is the schematic diagram of the utility model short message terminal under coal mine theory structure.
Embodiment
Below in conjunction with embodiment shown in the drawings the utility model is further described in detail.
As Fig. 1～shown in Figure 14, manufacture and design a kind of short message terminal under coal mine, its structure comprises:
One explosion-proof keyboard group 20 in first, second execution mode, is fixed on the explosion-proof casing 60 by press box bolt 72 by press box 71.In other execution modes, can fix with the method that meets State Standard of the People's Republic of China GB 3836 " explosive gas atmosphere electric equipment " requirement.
As shown in figure 10, the lead-in wire of described explosion-proof keyboard group 20 inserts key scanning circuit 40.
As shown in figure 14, a network-driven module 110, its coffret 111 is industrial-controlled general line interfaces.
As shown in Figure 1, the message pick-up of an identity identification module 81 probe is installed under the light inlet window or plastic cement part of explosion-proof casing 60.
One display screen 21 is installed under the light inlet window of explosion-proof casing 60, shows short message and control prompting character.
As shown in figure 14, a Hanzi font library 150, storage Chinese character, symbol, English character.
The setting of Hanzi font library is in order to show the Chinese character short message at display screen.
One main control module 100 connects network-driven module 110, key scanning circuit 40, identification module 81, display screen 21, Hanzi font library 150.
As shown in Figure 2, in the first embodiment, described short message terminal under coal mine is installed on separate housing 10, and described terminal has unique station number.
As shown in Figure 3, in second execution mode, described short message terminal under coal mine is installed on multiplexing shell 11, inspect the watch window that window 91 is other checkout equipments in the same shell, label 92 is explanations of other checkout equipments in the same shell, connection jaws the 51,52, the 53rd, various cable inlets, set bolt 65 is connected explosion-proof casing 60 with casing 50, short message terminal under coal mine in the multiplexing shell 11 partly has independently unique station number, and other checkout equipments have other station numbers in the same shell.
Described explosion-proof keyboard group 20 be assembled on the explosion-proof casing 60 and casing 50 assemblings after, shell integral body and electric part meet State Standard of the People's Republic of China GB 3836 " explosive gas atmosphere electric equipment ", with meet the industry standard MT209-1990 of the People's Republic of China (PRC) " colliery is communicated by letter, detects, controlled with the electric and electronic product current techique and requires ", the requirement of MT210-1990 " colliery communication, detect, control is with electric and electronic product fundamental test method " and MT/T899-2000 " colliery information carrying means " standard.
As shown in Figure 9, described message pick-up probe comprises RFID wireless probe 814, radio-frequency card antenna 811, barcode scanner 813, infrared remote receiver 812.Wherein RFID wireless probe 814 is at active wireless identity tag card or passive long apart from reading card.Radio-frequency card antenna 811 is at the passive wireless identity tag card of short distance.
As Fig. 6～Fig. 8, correspondingly, each personnel of going into the well carries passive card, active card, is installed on the safety cap, in the lamp holder, also can independent existence form, be carried at body.
Bar code transparent area 851 provides path for barcode scanner 813.
Infrared light transmission district 831 provides path for infrared remote receiver 812.
The distance that described message pick-up probe reads identification card 80 card numbers should be finished in the distance of avoiding other people to disturb, for example less than 40cm.This size does not require very accurate, but any long distance card all should just not make short message terminal under coal mine misoperation continually when the holder is not intended to swipe the card.Some are good, certain common radio-frequency card so read the distance weak point, and for example the card of E5557 model reads distance about 10cm, just can guarantee reliably to read.
For the wireless rfid card 804 that long distance reads, can be by reducing to install RFID wireless probe 814 antenna sizes in the enclosure, modes such as additional mask reduce the Card Reader distance.
The personal security supervisory control system has all been installed in present most of colliery, and each employee has disposed ID card in the system.Short message terminal under coal mine of the present utility model can user of service's safety monitoring system same ID card, so just realize one card for multiple uses, the convenient use.
Described coffret 111 comprises RS485 bus interface, CAN bus interface, WORLDFIP bus interface, FF-H1 foundation fieldbus interface, and the Industrial Ethernet interface.
Operable Industry Control fieldbus type is a lot, does not exemplify one by one at this, will consider during application that any bus interface the time considers essential safety in design, is fit to use in the subsurface environment of colliery.
Described short message terminal under coal mine is to use like this:
1., at first on short message terminal, swiped the card, identification module 81 reads the card number of identification card 80 by the user;
2., main control module 100 is according to card number, sends the inquiry request by network-driven module 110 to coffret 111, waits for that then network replys,
3., if having the new short message of this card number this moment in network, the short message that system is just new with all sends to this short message terminal; If this user's new short message not in the network, network just send one to this short message terminal and reply prompting accordingly;
4., after the user reads new short message or replys prompting, next the user to select be to desire the breath of sending short messages, transmission again with explosion-proof keyboard group 20 editors; Still select to withdraw from operation.
Described message pick-up probe receives the card number of identification card 80, is transferred to main control module 100, and main control module 100 sends to coffret 111 and comprises card number, station number own, the inquiry request instruction of purpose station number.
Described display screen 21 shows the card number of the identification card that reads 80, the historical note record catalogue of this card number, and the prompt that whether reads historical record.
After described identification module 81 read the card number of identification card 80, main control module 100 retrieve stored districts 180 were shown that by display screen 21 the historical note of this card number writes down catalogue, and the user selects whether to read historical record according to prompting.
Described main control module 100 sends the time that comprises station number own, card number, short message reading breath, the return information of letter substation station number to coffret 111.
In other execution mode, described main control module 100 can connect a personal information storehouse, comprises in the described personal information storehouse at least according to the pairing personnel's name of the card number of identification card, work position.
Described personal information storehouse regular update, described renewal comprise increase, the newly-increased personnel of deletion and the personnel's that leave the post information.
A kind of execution mode of button 30 as shown in Figure 4:
One lens section 32 is positioned at the top of light emitting devices, light receiving element.
One keycap assembly 33 is positioned at the place ahead of lens section 32, and described keycap assembly 33 comprises fixed part, bending part, keycap main body and light guide part.
Described bending part connecting key cap main body; Described keycap main body is arranged with the light guide part.
Described fixed part is fixed, and the keycap main body is in the primary importance that is not stressed, and the emergent ray of described smooth guide part refraction passes into others' hands and receiving outside the ray axis.
As shown in Figure 4, connecting portion is connected with the keycap main body on the guiding of light guide part, and the guiding bottom of light guide part is a contact-making surface in optimal design scheme, and the guiding middle part also is a contact-making surface.
Under the described keycap main body second light-reflecting portion is set, second light-reflecting portion is in the face of reflective axle, and described smooth guide part has mobile light-reflecting portion, and during in the second place that is pressed, the emergent ray of mobile light-reflecting portion refraction overlaps with reflective in the keycap main body.
Best, second light-reflecting portion and reception ray axis angle at 45, mobile light-reflecting portion and emergent light bobbin angle at 45.
As shown in Figure 5, described keycap main body is in the second place that is pressed, and the light guide part is in company with the displacement of keycap main body, and bottom and the end face of guiding middle part difference contact lens portion 32 and the end face of second light-reflecting portion lead.
At this moment, the emission light along the outgoing of emergent light bobbin of described light emitting devices is reflected by the light guide part, injects light receiving element along receiving ray axis.
The place ahead of described light receiving element can be provided with an astigmatic shielded-plate tube along receiving ray axis, the effect that the light shield pipe is set is can accurately distinguish emergent ray whether to fall into the reception ray axis, have only accurately to fall into the light that receives ray axis, just can be by the light shield pipe.
Described bending part itself has under elasticity or the keycap main body Flexible element is set; One end of described Flexible element withstands on the keycap main body, and when the keycap main body was not stressed, Flexible element eject key cap main body 15 made the keycap main body be positioned at primary importance.
Described Flexible element comprises spring, extension spring, shell fragment, elastic rubbery body, elastic mechanism.
Also has the operable explosion-proof keyboard group 20 of other forms.
Figure 10 is the support circuit of explosion-proof keyboard group 20 embodiment of Fig. 4, is a kind of form that light receiving element inserts key circuit 40, and the form that can realize is numerous, only lifts Figure 10 one example at this and is explained, and the utility model feasibility technically is described.
What indicate " 312 " label among the figure is light receiving element described in the utility model, and its collector electrode connects resistance R 22, connects keyboard integrated circuit ZLG7290 shown in Figure 12 again by R22, connects the DIG1 pin.
The emitter of light receiving element connects the pin SEGC of ZLG7290, and when the keycap main body of correspondence was not pressed, light receiving element did not have rayed, is in cut-off state, itself presented very big resistance, did not almost have electric current to flow through.ZLG7290 scans all DIG0～DIG7, SEGA～SEGH pin, does not all flow out electric current and inflow current, judges that do not have button to press this moment.
When the keycap main body of light receiving element correspondence is pressed, light receiving element is by rayed, be in conducting state, ZLG7290 scans all DIG0～DIG7, SEGA～SEGH pin, find that DIG1 has the electric current of outflow and SEGC that inflow current is arranged, judging has button to press this moment, ZLG7290 /INT pin output interrupt signal, key information is outputed to microprocessor by SDA, SCL, GND pin.
Light receiving element can be selected multiple light-sensitive element for use, photodiode, phototriode, Darlington photosensitive tube, field effect photosensitive tube all can, follow-up also can further the amplification inserted key circuit again.
Figure 11 is that the utility model coal information device inserts power supply with light emitting devices in the button, makes the electrical schematic diagram of its work.This is a simple principle, and the operating current size of the resistance size decision light emitting devices of resistance R 1 is generally all in the milliampere level.
The model that light emitting devices can be selected for use is a lot, best, can select light emitting devices and light receiving element assembling device for use, optical wavelength matches like this, helps using.
Keyboard integrated circuit ZLG7290 shown in Figure 12 is not unique selecting for use, also has many keyboard integrated circuits to finish the work well, can realize the keyboard scan function with microprocessor yet.
As shown in Figure 7, more than one button 30 is formed explosion-proof keyboard group 20, in the preparation of the keycap top of button 30 0～9,26 English alphabet A～Z of numeral is arranged, and the certain operations symbol.The button of these symbol logos cooperates the prompting of display screen, carries out different operations.
As shown in figure 13, network 3 connects aboveground short message terminal 2, aboveground short message terminal 2 generally is a commander office, network 3 comprises industrial-controlled general line and Industrial Ethernet, at least one collection letter terminal 4 can be set in network 3, collection letter terminal 4 is data buffer zones of a magnanimity, and the benefit that collection letter terminal 4 is set is more.
Described retention time by the setting of reservation on the collection letter terminal 4 of network 3 of aboveground short message terminal 2 new short messages is not taken away by the target people when expiring yet, and this short message will be return sends ground.
Though the Frame of CAN bus is very short, can be combined into packet with a plurality of Frames and sends.
For larger colliery, can consider that Industrial Ethernet combines with industrial-controlled general line.Because in the prior art, each Industrial Ethernet all has the fieldbus of coupling close with it, such as FF-HSE and the close coupling of FF-H1 (Fieldbus Foundation) foundation fieldbus; PROFINET with
Profibus(Process Field bus) close coupling of fieldbus or the like.
Therefore network 3 can adopt fieldbus in the exploiting field, and for example RS485 bus, CAN bus and Worldfip (World factory instrumentation protocol) bus adopts Industrial Ethernet on main line or the aboveground part.Can reduce investment like this, guarantee the data velocity of liquid assets again.In addition, the Industrial Ethernet PROFINETI/O product of Siemens Company's release can directly substitute fieldbus.
Embodiment of the present utility model is more than above-mentioned various, the embodiment that the utility model exemplified not is the qualification to oneself, every content that does not break away from technical solutions of the utility model,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present utility model.
Claims (6)
1, a kind of short message terminal under coal mine is characterized in that, the structure of described terminal comprises:
One explosion-proof keyboard group (20) is assemblied on the explosion-proof casing (60), and the lead-in wire of described explosion-proof keyboard group (20) inserts key scanning circuit (40);
One network-driven module (110), its coffret (111) is the industrial-controlled general line interface;
The message pick-up probe of one identity identification module (81) is installed under the light inlet window or plastic cement part of explosion-proof casing (60);
One display screen (21) is installed under the light inlet window of explosion-proof casing (60), shows short message and control prompting character;
One Hanzi font library (150), storage Chinese character, symbol, English character;
One main control module (100) connects network-driven module (110), key scanning circuit (40), identification module (81), display screen (21), Hanzi font library (150).
2, short message terminal under coal mine according to claim 1 is characterized in that:
Described short message terminal under coal mine is installed on separate housing (10); After described explosion-proof keyboard group (20) was assembled on the explosion-proof casing (60), shell integral body met GB3836 explosive gas atmosphere electric equipment standard-required, and described terminal has unique station number.
3, short message terminal under coal mine according to claim 1 is characterized in that:
Described short message terminal under coal mine is installed on multiplexing shell (11); After described explosion-proof keyboard group (20) was assembled on the explosion-proof casing (60), shell integral body met GB3836 explosive gas atmosphere electric equipment standard-required, and the short message terminal under coal mine in the multiplexing shell (11) partly has independently unique station number.
4, short message terminal under coal mine according to claim 1 is characterized in that:
Described message pick-up probe comprises RFID wireless probe (814), radio-frequency card antenna (811), barcode scanner (813), infrared remote receiver (812).
5, short message terminal under coal mine according to claim 1 is characterized in that:
Described coffret (111) comprises RS485 bus interface, CAN bus interface, WORLDFIP bus interface, foundation fieldbus interface, and the Industrial Ethernet interface.
6, short message terminal under coal mine according to claim 1 is characterized in that:
Distance when described message pick-up probe reads identification card (80) card number is less than 40cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200925229U CN201178474Y (en) | 2008-03-07 | 2008-03-07 | Down-hole short message terminal for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200925229U CN201178474Y (en) | 2008-03-07 | 2008-03-07 | Down-hole short message terminal for coal mine |
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| Publication Number | Publication Date |
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| CN201178474Y true CN201178474Y (en) | 2009-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200925229U Expired - Fee Related CN201178474Y (en) | 2008-03-07 | 2008-03-07 | Down-hole short message terminal for coal mine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758628A (en) * | 2011-04-28 | 2012-10-31 | 黑龙江科技学院 | Passive wireless operation keyboard and operating method for mine mining machinery |
-
2008
- 2008-03-07 CN CNU2008200925229U patent/CN201178474Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758628A (en) * | 2011-04-28 | 2012-10-31 | 黑龙江科技学院 | Passive wireless operation keyboard and operating method for mine mining machinery |
| CN102758628B (en) * | 2011-04-28 | 2015-11-04 | 黑龙江科技学院 | Mining mining machinery passive and wireless operation keyboard and method of operating |
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| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Yuping Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice |
Addressee: Li Yuping Document name: Notification of Termination of Patent Right |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20120307 |