CN203149133U - Mining common cable device for synchronous triggering and data communication for seismic system - Google Patents
Mining common cable device for synchronous triggering and data communication for seismic system Download PDFInfo
- Publication number
- CN203149133U CN203149133U CN 201320170999 CN201320170999U CN203149133U CN 203149133 U CN203149133 U CN 203149133U CN 201320170999 CN201320170999 CN 201320170999 CN 201320170999 U CN201320170999 U CN 201320170999U CN 203149133 U CN203149133 U CN 203149133U
- Authority
- CN
- China
- Prior art keywords
- pin
- dpdt
- main frame
- extension set
- double
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a mining common cable device for synchronous triggering and data communication for a seismic system, and provides a common cable device capable of being used for seismic data transmission and realizing synchronous triggering for seismic data acquisition. The following technical scheme is adopted: the common cable device is mainly composed of a seismograph main machine and a plurality of seismograph auxiliary machines, wherein the main computer microcontroller of the seismograph main machine is used for controlling a main machine RS485 drive module, a main machine data acquisition triggering circuit and a main machine double-pole double-throw analogue switch; auxiliary machine microcontrollers in the seismograph auxiliary machines are used for controlling an auxiliary machine RS485 drive module and an auxiliary machine double-pole double-throw analogue switch; and a main machine connector and an auxiliary machine connector are connected via a double-core twisted-pair cable, so as to realize the function of the common cable for synchronous triggering acquisition and communication for seismic data. The common cable device disclosed by the utility model is widely suitable for the field of seismic survey.
Description
Technical field
The distributed earthquake instrument that the utility model relates to a kind of geophysical exploration technology field triggers and data communication bridging line cable device synchronously.
Background technology
The RS485 communication is used very extensive at industrial circle, RS485 is as a kind of interface of serial communication, according to the RS485 bus standard, adopt the mode of balance driving and differential received to drive bus, the Physical layer that realizes network connects, has the ability that suppresses common mode interference, noise immunity is good, but be applied in the geophysical exploration technology field as moving distributing system and rare, reason is in the multiple tracks earthquake data acquisition, trigger collection between road and the road should be synchronous, and the seismic instrument system that adopts the RS485 bus to constitute, traditional implementation method is to utilize software command as trigger pip, this synchronous error that just causes multi-channel acquisition to trigger is quite big, finally cause the seismic data analysis result inaccurate, influenced the precision of whole result of detection.
Chinese patent instructions 200920222997.X improves the structure of universal distributed seismograph data acquisition system (DAS), system after the improvement has reduced collection error start-up time, guarantee the consistance of system acquisition, but it still utilizes software collection order control communication to transmit to realize synchronous collection to the collection point, the error of this synchronous acquisition time is still very big, can only reach the microsecond level.
Relate to a kind of communication in Chinese patent instructions 02124275.5 disclosed a kind of multiwave multi-component earthquake data collecting system and start cable, it belongs to five core cables, gather in order to realize starting synchronously, it has also adopted special-purpose startup cable, like this for the mining seismic acquisition configuration of movable type, along with the increase of slave, the inevitable very huge heaviness of cable.
The utility model content
The utility model overcomes the deficiency that prior art exists, and technical matters to be solved is: provide a kind of and can be used for transmission of seismic data, the bridging line cable device of the data acquisition that can realize again initiating earthquake synchronously.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of mining seismic system triggers and data communication bridging line cable device synchronously, comprise a seismograph main frame and Duo Tai seismograph extension set, described seismograph main frame is mainly by the main frame microcontroller, main frame RS485 driver module, host data trigger collection circuit, main frame dpdt double-pole double-throw (DPDT) analog switch and main frame connector constitute, described main frame microcontroller respectively with main frame RS485 driver module, host data trigger collection circuit links to each other with main frame dpdt double-pole double-throw (DPDT) analog switch, described main frame dpdt double-pole double-throw (DPDT) analog switch respectively with main frame RS485 driver module, host data trigger collection circuit links to each other with the main frame connector;
Described seismograph extension set mainly is made of extension set microcontroller, extension set RS485 driver module, extension set dpdt double-pole double-throw (DPDT) analog switch and extension set connector, described extension set microcontroller links to each other with extension set dpdt double-pole double-throw (DPDT) analog switch with extension set RS485 driver module respectively, and described extension set dpdt double-pole double-throw (DPDT) analog switch links to each other with the extension set connector with extension set RS485 driver module respectively;
Described main frame connector links to each other by the twin-core twisted pair wire with described extension set connector.
Described main frame micro controller I pin A1, pin A2 link to each other with pin 1, pin 4 and the pin 2 of main frame RS485 driver module respectively with pin A3, the pin 6 of main frame RS485 driver module links to each other with pin 1 with the pin 12 of main frame dpdt double-pole double-throw (DPDT) analog switch respectively with pin 7, between the pin 8 of main frame RS485 driver module and the pin 5 and be connected to capacitor C 1, and the pin 8 of main frame RS485 driver module connects positive source, pin 5 ground connection of main frame RS485 driver module;
Described main frame micro controller I pin B1 links to each other with the pin 10 of main frame dpdt double-pole double-throw (DPDT) analog switch, main frame micro controller I pin B2 and pin B3 respectively with host data trigger collection circuit in resistance R 3 and the end of R1 link to each other, the other end of the resistance R 3 in the host data trigger collection circuit links to each other with the base stage of positive-negative-positive triode Q2, the other end of the resistance R 1 in the host data trigger collection circuit links to each other with the base stage of positive-negative-positive triode Q1, the collector of positive-negative-positive triode Q1 in the host data trigger collection circuit and the collector of Q2 link to each other with pin 5 with the pin 14 of main frame dpdt double-pole double-throw (DPDT) analog switch respectively, the collector of the collector of described positive-negative-positive triode Q1 and positive-negative-positive triode Q2 links to each other with an end of resistance R 2 and resistance R 4 respectively, resistance R 2 and resistance R 4 other ends and connect after connect positive source, the emitter of the emitter of described positive-negative-positive triode Q1 and positive-negative-positive triode Q2 link to each other the back ground connection;
The pin 13 of described main frame dpdt double-pole double-throw (DPDT) analog switch links to each other with pin 2 with the pin 1 of main frame connector respectively with pin 3, between the pin 16 of described main frame dpdt double-pole double-throw (DPDT) analog switch and the pin 7 and be connected to capacitor C 2, the pin 9 of described main frame dpdt double-pole double-throw (DPDT) analog switch, pin 6, pin 8 and the pin 7 back ground connection that links to each other.
Described extension set micro controller I pin E1, pin E2 link to each other with pin 1, pin 4 and the pin 2 of extension set RS485 driver module respectively with pin E3, the pin 6 of extension set RS485 driver module links to each other with pin 1 with the pin 12 of extension set dpdt double-pole double-throw (DPDT) analog switch respectively with pin 7, between the pin 8 of extension set RS485 driver module and the pin 5 and be connected to capacitor C 3, and the pin 8 of extension set RS485 driver module connects positive source, pin 5 ground connection of extension set RS485 driver module;
The pin D1 of described extension set microcontroller, pin D2 link to each other with pin 10, pin 5 and the pin 14 of extension set dpdt double-pole double-throw (DPDT) analog switch respectively with pin D3;
The pin 13 of described extension set dpdt double-pole double-throw (DPDT) analog switch links to each other with pin 2 with the pin 1 of extension set connector 9 respectively with pin 3, between the pin 16 of described extension set dpdt double-pole double-throw (DPDT) analog switch and the pin 7 and be connected to capacitor C 4, the pin 9 of described extension set dpdt double-pole double-throw (DPDT) analog switch, pin 6, pin 8 and the pin 7 back ground connection that links to each other.
Described main frame microcontroller adopts the EP3C40F780 chip of altera corp, the extension set microcontroller adopts the EP3C25F160 chip of altera corp, main frame RS485 driver module and extension set RS485 driver module all adopt the SP3485EN chip of Sipex company, and main frame dpdt double-pole double-throw (DPDT) analog switch and extension set dpdt double-pole double-throw (DPDT) analog switch all adopt the MAX4052 chip of Maxim company.
The utility model compared with prior art has following beneficial effect.
1, the utility model can connect many tablelands shake instrument apparatus according to the actual monitoring demand by the twisted-pair feeder communication cable, has realized that same cable both had been used for transmission of seismic data, the function of the data acquisition that is used for again realizing initiating earthquake synchronously.
2, the twin-core twisted pair wire that adopts in the utility model is two core cables, and need not to re-use the dedicated trigger cable, makes the wiring of seismic acquisition configuration become simple.
3, the utility model adopts the hardware trigger mode to realize data sync triggering collection to each seismograph extension set, the error of acquisition time reaches nanosecond synchronously, has effectively overcome the synchronous error of the earthquake data acquisition that the traditional software soft start causes.
4, the seismograph extension set in the utility model is simple in structure, easy to use, and portable the carrying of energy, effectively reduces input cost.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is the circuit theory diagrams of seismograph main frame in the utility model;
Fig. 3 is the circuit theory diagrams of seismograph extension set in the utility model;
Fig. 4 is the connection diagram of connector in the utility model;
Among the figure: 1 is that main frame microcontroller, 2 is that main frame RS485 driver module, 3 is that host data trigger collection circuit, 4 is that main frame dpdt double-pole double-throw (DPDT) analog switch, 5 is that main frame connector, 6 is that extension set microcontroller, 7 is that extension set RS485 driver module, 8 is that extension set dpdt double-pole double-throw (DPDT) analog switch, 9 is that extension set connector, 10 is the twin-core twisted pair wire.
Embodiment
As shown in Figure 1, a kind of mining seismic system of the utility model triggers and data communication bridging line cable device synchronously, comprise a seismograph main frame and Duo Tai seismograph extension set, described seismograph main frame is mainly by main frame microcontroller 1, main frame RS485 driver module 2, host data trigger collection circuit 3, main frame dpdt double-pole double-throw (DPDT) analog switch 4 and main frame connector 5 constitute, described main frame microcontroller 1 respectively with main frame RS485 driver module 2, host data trigger collection circuit 3 links to each other with main frame dpdt double-pole double-throw (DPDT) analog switch 4, described main frame dpdt double-pole double-throw (DPDT) analog switch 4 respectively with main frame RS485 driver module 2, host data trigger collection circuit 3 links to each other with main frame connector 5;
Described seismograph extension set mainly is made of extension set microcontroller 6, extension set RS485 driver module 7, extension set dpdt double-pole double-throw (DPDT) analog switch 8 and extension set connector 9, described extension set microcontroller 6 links to each other with extension set dpdt double-pole double-throw (DPDT) analog switch 8 with extension set RS485 driver module 7 respectively, and described extension set dpdt double-pole double-throw (DPDT) analog switch 8 links to each other with extension set connector 9 with extension set RS485 driver module 7 respectively;
Described main frame connector 5 links to each other by twin-core twisted pair wire 10 with described extension set connector 9.
Described main frame microcontroller 1 adopts the EP3C40F780 chip of altera corp, extension set microcontroller 6 adopts the EP3C25F160 chip of altera corp, main frame RS485 driver module 2 and extension set RS485 driver module 7 all adopt the SP3485EN chip of Sipex company, and main frame dpdt double-pole double-throw (DPDT) analog switch 4 and extension set dpdt double-pole double-throw (DPDT) analog switch 8 all adopt the MAX4052 chip of Maxim company.
The main frame microcontroller 1 of seismograph main frame is being controlled main frame RS485 driver module 2, host data trigger collection circuit 3 and main frame dpdt double-pole double-throw (DPDT) analog switch 4, and links to each other with twin-core twisted pair wire 10 by main frame connector 5; The extension set microcontroller 6 of seismograph extension set is being controlled extension set RS485 driver module 7 and extension set dpdt double-pole double-throw (DPDT) analog switch 8, and links to each other with twin-core twisted pair wire 10 by extension set connector 9.
When carrying out the earthquake data communication, the control of 1 pair of main frame dpdt double-pole double-throw (DPDT) of the main frame microcontroller analog switch 4 by the seismograph main frame, main frame RS485 driver module 2 is linked to each other with outside twin-core twisted pair wire 10 by main frame connector 5, and realize data communication according to the RS485 communications protocol, the order of seismograph main frame with parameter is set passes to the seismograph extension set by twin-core twisted pair wire 10; The control of 6 pairs of extension set dpdt double-pole double-throw (DPDT) of the extension set microcontroller analog switch 8 by the seismograph extension set, extension set RS485 driver module 7 is linked to each other with outside twin-core twisted pair wire 10 by extension set connector 9, and according to RS485 communications protocol realization data communication, the geological data of seismograph extension set passes to the seismograph main frame by twin-core twisted pair wire 10.
When carrying out earthquake data acquisition triggering startup, the control of 1 pair of main frame dpdt double-pole double-throw (DPDT) of the main frame microcontroller analog switch 4 by the seismograph main frame, host data trigger collection circuit 3 is linked to each other with outside twin-core twisted pair wire 10 by main frame connector 5, the trigger collection regular command of seismograph main frame is passed to the seismograph extension set by twin-core twisted pair wire 10, and the seismograph extension set is carried out synchronous data sampling.
As shown in Figure 2, IO mouth pin A1, the pin A2 of described main frame microcontroller 1 links to each other with pin 1, pin 4 and the pin 2 of main frame RS485 driver module 2 respectively with pin A3, the pin 6 of main frame RS485 driver module 2 links to each other with pin 1 with the pin 12 of main frame dpdt double-pole double-throw (DPDT) analog switch 4 respectively with pin 7, between the pin 8 of main frame RS485 driver module 2 and the pin 5 and be connected to capacitor C 1, and the pin 8 of main frame RS485 driver module 2 connects positive source, pin 5 ground connection of main frame RS485 driver module 2;
The IO mouth pin B1 of described main frame microcontroller 1 links to each other with the pin 10 of main frame dpdt double-pole double-throw (DPDT) analog switch 4, the IO mouth pin B2 of main frame microcontroller 1 and pin B3 respectively with host data trigger collection circuit 3 in resistance R 3 and the end of R1 link to each other, the other end of the resistance R 3 in the host data trigger collection circuit 3 links to each other with the base stage of positive-negative-positive triode Q2, the other end of the resistance R 1 in the host data trigger collection circuit 3 links to each other with the base stage of positive-negative-positive triode Q1, the collector of positive-negative-positive triode Q1 in the host data trigger collection circuit 3 and the collector of Q2 link to each other with pin 5 with the pin 14 of main frame dpdt double-pole double-throw (DPDT) analog switch 4 respectively, the collector of the collector of described positive-negative-positive triode Q1 and positive-negative-positive triode Q2 links to each other with an end of resistance R 2 and resistance R 4 respectively, resistance R 2 and resistance R 4 other ends and connect after connect positive source, the emitter of the emitter of described positive-negative-positive triode Q1 and positive-negative-positive triode Q2 link to each other the back ground connection;
The pin 13 of described main frame dpdt double-pole double-throw (DPDT) analog switch 4 links to each other with pin 2 with the pin 1 of main frame connector 5 respectively with pin 3, between the pin 16 of described main frame dpdt double-pole double-throw (DPDT) analog switch 4 and the pin 7 and be connected to capacitor C 2, the pin 9 of described main frame dpdt double-pole double-throw (DPDT) analog switch 4, pin 6, pin 8 and the pin 7 back ground connection that links to each other.
When the seismograph main frame carried out data communication, the B1 pin of main frame microcontroller 1 was low level, and the special-purpose RS485 in the main frame microcontroller 1 drives 2 work of control nuclear control main frame RS485 driver module; When the seismograph host receiving data, data-signal passes to main frame connector 5, main frame dpdt double-pole double-throw (DPDT) analog switch 4 and main frame RS485 driver module 2 successively by twin-core twisted pair wire 10, finally passes to main frame microcontroller 1, and main frame receives data; When the seismograph main frame sends data, data-signal passes to main frame RS485 driver module 2, main frame dpdt double-pole double-throw (DPDT) analog switch 4 and main frame connector 5 successively by main frame microcontroller 1, finally be delivered to twin-core twisted pair wire 10 by main frame connector 5, realize that the data of seismograph main frame send.
When the seismograph main frame is carried out synchronous triggering collection geological data, the B1 pin of main frame microcontroller 1 is high level, special-purpose trigger collection nuclear in the main frame microcontroller 1 is issued the trigger collection signal by the high-low level of controlling its B2 pin and B3 pin, and by host data trigger collection circuit 3 the trigger collection signal is passed to main frame dpdt double-pole double-throw (DPDT) analog switch 4 and main frame connector 5 successively, finally be delivered to twin-core twisted pair wire 10 by main frame connector 5, realize the issue of trigger collection signal.
As shown in Figure 3, IO mouth pin E1, the pin E2 of described extension set microcontroller 6 links to each other with pin 1, pin 4 and the pin 2 of extension set RS485 driver module 7 respectively with pin E3, the pin 6 of extension set RS485 driver module 7 links to each other with pin 1 with the pin 12 of extension set dpdt double-pole double-throw (DPDT) analog switch 8 respectively with pin 7, between the pin 8 of extension set RS485 driver module 7 and the pin 5 and be connected to capacitor C 3, and the pin 8 of extension set RS485 driver module 7 connects positive source, pin 5 ground connection of extension set RS485 driver module 7;
The pin D1 of described extension set microcontroller 6, pin D2 link to each other with pin 10, pin 5 and the pin 14 of extension set dpdt double-pole double-throw (DPDT) analog switch 8 respectively with pin D3;
The pin 13 of described extension set dpdt double-pole double-throw (DPDT) analog switch 8 links to each other with pin 2 with the pin 1 of extension set connector 9 respectively with pin 3, between the pin 16 of described extension set dpdt double-pole double-throw (DPDT) analog switch 8 and the pin 7 and be connected to capacitor C 4, the pin 9 of described extension set dpdt double-pole double-throw (DPDT) analog switch 8, pin 6, pin 8 and the pin 7 back ground connection that links to each other.
When the seismograph extension set carried out data communication, the pin D1 of its extension set microcontroller 6 was low level, and the special-purpose RS485 in the extension set microcontroller 6 drives 7 work of control nuclear control extension set RS485 driver module; When the seismograph extension set received data, data-signal passed to extension set connector 9, extension set dpdt double-pole double-throw (DPDT) analog switch 8 and extension set RS485 driver module 7 successively by twin-core twisted pair wire 10, finally passes to extension set microcontroller 6, and extension set receives data; When the seismograph extension set sends data, data-signal passes to extension set RS485 driver module 7, extension set dpdt double-pole double-throw (DPDT) analog switch 8 and extension set connector 9 successively by extension set microcontroller 6, finally be delivered to twin-core twisted pair wire 10 by extension set connector 9, realize that the data of seismograph extension set send.
When the seismograph extension set is carried out synchronous triggering collection geological data, the D1 pin of extension set microcontroller 6 is high level, special-purpose trigger collection nuclear in the extension set microcontroller 6 is issued the trigger collection signal by the high-low level of controlling its D2 pin and D3 pin, the trigger collection signal is passed to extension set dpdt double-pole double-throw (DPDT) analog switch 8 and extension set connector 9 successively, finally be delivered to twin-core twisted pair wire 10 by main frame connector 9, realize the issue of trigger collection signal; Foregoing only is that the course of work to a seismograph extension set is described, and the course of work of other seismograph extension set is identical with it.
As shown in Figure 4, link to each other by twin-core twisted pair wire 10 between the connector 9 of the connector 5 of seismograph main frame and Duo Tai seismograph extension set in the utility model, just realize data communication facility and the synchronous function of trigger data acquisition between seismograph main frame and the seismograph extension set by a twin-core twisted pair wire, reduced the input of dedicated trigger cable, and improve the accuracy of synchronous data sampling, the synchronous data sampling time error reaches nanosecond.
The utility model can connect many tablelands shake instrument apparatus according to the actual monitoring demand by the twisted-pair feeder communication cable, realized that same cable both had been used for transmission of seismic data, the function of the data acquisition that is used for again realizing initiating earthquake synchronously; The twin-core twisted pair wire that adopts in the utility model is two core cables, and need not to re-use the dedicated trigger cable, makes the wiring of seismic acquisition configuration become simple; The hardware trigger mode that adopts the utility model realizes the data sync triggering collection to each seismograph extension set, the error of acquisition time reaches nanosecond synchronously, has effectively overcome the synchronous error of the earthquake data acquisition that the traditional software soft start causes; Seismograph extension set in the utility model is simple in structure, easy to use, and portable the carrying of energy, effectively reduces input cost.
Claims (4)
1. a mining seismic system triggers and data communication bridging line cable device synchronously, comprise a seismograph main frame and Duo Tai seismograph extension set, it is characterized in that: described seismograph main frame is mainly by main frame microcontroller (1), main frame RS485 driver module (2), host data trigger collection circuit (3), main frame dpdt double-pole double-throw (DPDT) analog switch (4) and main frame connector (5) constitute, described main frame microcontroller (1) respectively with main frame RS485 driver module (2), host data trigger collection circuit (3) links to each other with main frame dpdt double-pole double-throw (DPDT) analog switch (4), described main frame dpdt double-pole double-throw (DPDT) analog switch (4) respectively with main frame RS485 driver module (2), host data trigger collection circuit (3) links to each other with main frame connector (5);
Described seismograph extension set mainly is made of extension set microcontroller (6), extension set RS485 driver module (7), extension set dpdt double-pole double-throw (DPDT) analog switch (8) and extension set connector (9), described extension set microcontroller (6) links to each other with extension set dpdt double-pole double-throw (DPDT) analog switch (8) with extension set RS485 driver module (7) respectively, and described extension set dpdt double-pole double-throw (DPDT) analog switch (8) links to each other with extension set connector (9) with extension set RS485 driver module (7) respectively;
Described main frame connector (5) links to each other by twin-core twisted pair wire (10) with described extension set connector (9).
2. a kind of mining seismic system according to claim 1 triggers and data communication bridging line cable device synchronously, it is characterized in that: the IO mouth pin A1 of described main frame microcontroller (1), pin A2 and pin A3 respectively with the pin 1 of main frame RS485 driver module (2), pin 4 links to each other with pin 2, the pin 6 of main frame RS485 driver module (2) links to each other with pin 1 with the pin 12 of main frame dpdt double-pole double-throw (DPDT) analog switch (4) respectively with pin 7, between the pin 8 of main frame RS485 driver module (2) and the pin 5 and be connected to capacitor C 1, and the pin 8 of main frame RS485 driver module (2) connects positive source, pin 5 ground connection of main frame RS485 driver module (2);
The IO mouth pin B1 of described main frame microcontroller (1) links to each other with the pin 10 of main frame dpdt double-pole double-throw (DPDT) analog switch (4), the IO mouth pin B2 of main frame microcontroller (1) and pin B3 respectively with host data trigger collection circuit (3) in resistance R 3 and the end of R1 link to each other, the other end of the resistance R 3 in the host data trigger collection circuit (3) links to each other with the base stage of positive-negative-positive triode Q2, the other end of the resistance R 1 in the host data trigger collection circuit (3) links to each other with the base stage of positive-negative-positive triode Q1, the collector of positive-negative-positive triode Q1 in the host data trigger collection circuit (3) and the collector of Q2 link to each other with pin 5 with the pin 14 of main frame dpdt double-pole double-throw (DPDT) analog switch (4) respectively, the collector of the collector of described positive-negative-positive triode Q1 and positive-negative-positive triode Q2 links to each other with an end of resistance R 2 and resistance R 4 respectively, resistance R 2 and resistance R 4 other ends and connect after connect positive source, the emitter of the emitter of described positive-negative-positive triode Q1 and positive-negative-positive triode Q2 link to each other the back ground connection;
The pin 13 of described main frame dpdt double-pole double-throw (DPDT) analog switch (4) links to each other with pin 2 with the pin 1 of main frame connector (5) respectively with pin 3, between the pin 16 of described main frame dpdt double-pole double-throw (DPDT) analog switch (4) and the pin 7 and be connected to capacitor C 2, the pin 9 of described main frame dpdt double-pole double-throw (DPDT) analog switch (4), pin 6, pin 8 and the pin 7 back ground connection that links to each other.
3. a kind of mining seismic system according to claim 2 triggers and data communication bridging line cable device synchronously, it is characterized in that: the IO mouth pin E1 of described extension set microcontroller (6), pin E2 and pin E3 respectively with the pin 1 of extension set RS485 driver module (7), pin 4 links to each other with pin 2, the pin 6 of extension set RS485 driver module (7) links to each other with pin 1 with the pin 12 of extension set dpdt double-pole double-throw (DPDT) analog switch (8) respectively with pin 7, between the pin 8 of extension set RS485 driver module (7) and the pin 5 and be connected to capacitor C 3, and the pin 8 of extension set RS485 driver module (7) connects positive source, pin 5 ground connection of extension set RS485 driver module (7);
The pin D1 of described extension set microcontroller (6), pin D2 link to each other with pin 10, pin 5 and the pin 14 of extension set dpdt double-pole double-throw (DPDT) analog switch (8) respectively with pin D3;
The pin 13 of described extension set dpdt double-pole double-throw (DPDT) analog switch (8) links to each other with pin 2 with the pin 1 of extension set connector 9 respectively with pin 3, between the pin 16 of described extension set dpdt double-pole double-throw (DPDT) analog switch (8) and the pin 7 and be connected to capacitor C 4, the pin 9 of described extension set dpdt double-pole double-throw (DPDT) analog switch (8), pin 6, pin 8 and the pin 7 back ground connection that links to each other.
4. a kind of mining seismic system according to claim 3 triggers and data communication bridging line cable device synchronously, it is characterized in that: described main frame microcontroller (1) adopts the EP3C40F780 chip of altera corp, extension set microcontroller (6) adopts the EP3C25F160 chip of altera corp, main frame RS485 driver module (2) and extension set RS485 driver module (7) all adopt the SP3485EN chip of Sipex company, and main frame dpdt double-pole double-throw (DPDT) analog switch (4) and extension set dpdt double-pole double-throw (DPDT) analog switch (8) all adopt the MAX4052 chip of Maxim company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320170999 CN203149133U (en) | 2013-04-08 | 2013-04-08 | Mining common cable device for synchronous triggering and data communication for seismic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320170999 CN203149133U (en) | 2013-04-08 | 2013-04-08 | Mining common cable device for synchronous triggering and data communication for seismic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203149133U true CN203149133U (en) | 2013-08-21 |
Family
ID=48976649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320170999 Expired - Fee Related CN203149133U (en) | 2013-04-08 | 2013-04-08 | Mining common cable device for synchronous triggering and data communication for seismic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203149133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756862A (en) * | 2018-05-28 | 2018-11-06 | 中国科学院地质与地球物理研究所 | With brill Double wire transmission bus system |
-
2013
- 2013-04-08 CN CN 201320170999 patent/CN203149133U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756862A (en) * | 2018-05-28 | 2018-11-06 | 中国科学院地质与地球物理研究所 | With brill Double wire transmission bus system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202631981U (en) | Device for whole power network accurate synchronous time service and timing used in coal mine | |
| CN104196553A (en) | Hydraulic support remote control system based on EtherCAT | |
| CN203455835U (en) | Bus triggering backplate applied to PXI (PCI extension for instrumentation) test platform | |
| CN202204938U (en) | Two-way communication type electrode conversion device of high-density electric device | |
| CN203149133U (en) | Mining common cable device for synchronous triggering and data communication for seismic system | |
| CN203386041U (en) | Carrier rocket ground acquisition device | |
| CN202815143U (en) | Short/open-circuit testing circuit for flexible circuit board touch screen IC channel | |
| CN103454687B (en) | Three-dimensional electrical resistivity data measurement network system and addressing method thereof | |
| CN110456691A (en) | Suspension insulator detection robot control system | |
| CN105319453B (en) | A kind of environment protection digital Acquisition Instrument test device and system | |
| CN203941449U (en) | Safety and stability control device for electric power test research system | |
| CN203949971U (en) | A kind of transmission line of electricity debugging wireless measuring system | |
| CN203490353U (en) | Full-automatic voltage checking instrument aging checking system | |
| CN203217029U (en) | Cable line number-checking line-aligning device | |
| CN104464254A (en) | Distributed data synchronous acquisition device and distributed data synchronous acquisition method | |
| CN204856469U (en) | General signal acquisition driver | |
| CN205336303U (en) | Network central control system | |
| CN203759084U (en) | Multi-communication mode electric power meter | |
| CN203758754U (en) | Train debugging test data acquisition, storage and wireless transmission device | |
| CN201654249U (en) | Electrode conversion equipment of high density electrcal instrument | |
| CN103207618B (en) | A kind of Electric Control System of Coal Cutter comprehensive detector | |
| CN203310898U (en) | Optical communication data acquisition module | |
| CN113671577B (en) | Four-dimensional high-density electrical prospecting system and detection method based on cloud platform | |
| CN203219229U (en) | Master-slave application power balancing device for mine high-voltage frequency converter | |
| CN204102134U (en) | Transformer station's telemechanical serial data display instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20190408 |