CN105045154A - Wireless binary channel detection device - Google Patents
Wireless binary channel detection device Download PDFInfo
- Publication number
- CN105045154A CN105045154A CN201510472492.9A CN201510472492A CN105045154A CN 105045154 A CN105045154 A CN 105045154A CN 201510472492 A CN201510472492 A CN 201510472492A CN 105045154 A CN105045154 A CN 105045154A
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- China
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- communication module
- wireless communication
- circuit
- change
- detection device
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25314—Modular structure, modules
Abstract
The invention discloses a wireless binary channel detection device, comprising a GPRS wireless communication module (5), a CDMA wireless communication module (6), an antenna, a SIM card, and a power supply circuit (10) which are interconnected. The wireless binary channel detection device is characterized in that the GPRS wireless communication module (5) and the CDMA wireless communication module (6) are connected to a simulation channel switching circuit (7); the simulation channel switching circuit (7) comprises a signal processing 89C2051 circuit (7-1)and a relay or a simulation electronic switch (7-2); the signal processing 89C2051 circuit (7-1) is connected to the GPRS wireless communication module (5) and the CDMA wireless communication module (6);and the relay or the simulation electronic switch (7-2) is connected to the RS232 conversion circuit (8) and the RS485 conversion circuit (9) which are connected to the external ports. The wireless binary channel detection device is stable in operation, improves the access rate of the wireless network, saves the investment, effectively shortens the outage time, provides a safe channel environment to the operation of the distribution network and supports the dual-network simultaneous operation.
Description
Technical field:
The present invention relates to a kind of wireless two-channel intelligent detection device, belong to electric power system power distribution and run field.
Background technology:
Along with urban population is increasing, city enlarged areas.Distribution FTU, DTU also get more and more, and maintenance workload is also increasing.The communication mode of present distribution terminal mainly still adopts wireless 2G network, adopts optical fiber communication under individual cases.Owing to adopting optical-fibre channel cost high, fiber utilization is low, and the passage of distribution network terminal 90% still adopts radio communication.Due to radio channel communication less stable, sometimes signal is strong, and sometimes signal is weak, and sometimes the signal of UNICOM is strong, and the signal of movement is weak, and time in addition, the signal of UNICOM is weak, and the signal of movement is strong.The instability of radio channel proposes very high challenge to the safe operation of power distribution network.Once the wireless network bit error rate or completely no signal, power distribution network just can not isolation accident fast, can cause large-area power-cuts, cause very large risk to electric power safety operation.
Summary of the invention:
The object of the invention is to overcome the deficiency of above-mentioned prior art and provide a kind of stable, improve the online rate of wireless network, investment reduction, effective shortening stops electric power feeding time, provides the channel environment of safety guarantee to power distribution network operation, supports the wireless two-channel intelligent detection device that dual network runs simultaneously.
Object of the present invention can be reached by following measure: a kind of wireless two-channel intelligent detection device, it comprises interconnective GPRS wireless communication module and cdma wireless communication module, GPRS wireless communication module connects the first antenna respectively, first SIM card, cdma wireless communication module connects the second antenna respectively, second SIM card, it is characterized in that GPRS wireless communication module and the equal connecting analog channel switching circuit of cdma wireless communication module, analog channel commutation circuit comprises signal transacting 89C2051 circuit, relay or simulant electronic switch, signal transacting 89C2051 circuit connects relay or simulant electronic switch, the signal transacting 89C2051 circuit of analog channel commutation circuit is connected with cdma wireless communication module with GPRS wireless communication module, the relay of analog channel commutation circuit or simulant electronic switch connect RS232 change-over circuit respectively, RS485 change-over circuit, RS232 change-over circuit connects the first external interface, RS485 change-over circuit connects the second external interface, GPRS wireless communication module, cdma wireless communication module, analog channel commutation circuit, RS232 change-over circuit, RS485 change-over circuit all connects feed circuit.
The present invention can produce following good effect compared with the prior art: the present invention can Real-Time Monitoring move, UNICOM's wireless signal, it comprises mobile, the two wireless network of UNICOM, UNICOM or mobile for major network, for net wherein can be conveniently set, and the signal quality of the active and standby net of detecting that can be real-time, can carry out switching active and standby network in real time.The invention solves at industrial circle, the particularly technical matters of the two cordless communication network communication in power industry field seamless switching, for the investment of laying wireline communication network saved by power consumer, the data continuity of user can be ensured simultaneously, improve the safe operation of wireless network, improve the online rate of wireless network, improve the success ratio that remote control performs, the accuracy rate of remote signalling state, simultaneously in emergency management process, effectively can shorten and stop electric power feeding time, run the channel environment that safety guarantee is provided to power distribution network.
Accompanying drawing illustrates:
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is the structured flowchart of the analog channel commutation circuit of Fig. 1.
Embodiment:
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated:
Embodiment: a kind of wireless two-channel intelligent detection device is (see Fig. 1, Fig. 2), it comprises interconnective GPRS wireless communication module 5 and cdma wireless communication module 6, GPRS wireless communication module 5 connects the first antenna 1 respectively, first SIM card 3, cdma wireless communication module 6 connects the second antenna 2 respectively, second SIM card 4, GPRS wireless communication module 5 and cdma wireless communication module 6 all connecting analog channel switching circuits 7, analog channel commutation circuit 7 comprises signal transacting 89C2051 circuit 7-1, relay or simulant electronic switch 7-2, signal transacting 89C2051 circuit 7-1 connects relay or simulant electronic switch 7-2, the signal transacting 89C2051 circuit 7-1 of analog channel commutation circuit 7 is connected with cdma wireless communication module 6 with GPRS wireless communication module 5, relay or the simulant electronic switch 7-2 of analog channel commutation circuit 7 connect RS232 change-over circuit 8 respectively, RS485 change-over circuit 9, RS232 change-over circuit 8 connects the first external interface 11, RS485 change-over circuit 9 connects the second external interface 12, GPRS wireless communication module 5, cdma wireless communication module 6, analog channel commutation circuit 7, RS232 change-over circuit 8, RS485 change-over circuit 9 all connects feed circuit 10.
Feed circuit 10 provide working power to the first SIM card 3, second SIM card 4; Power supply is provided to GPRS wireless communication module 5 and cdma wireless communication module 6; Power supply is provided to analog channel commutation circuit 7; Power supply is provided to RS232 change-over circuit 8; Power supply is provided to RS485 change-over circuit 9.
During use, first external interface 11 or the second external interface 12 are connected with external unit FTU or DTU respectively, the wireless signal be externally received processes to GPRS wireless communication module 5 or cdma wireless communication module 6 respectively through the first antenna 1 or the second antenna 2, the signal transacting 89C2051 circuit 7-1 that data-signal after process all delivers to analog channel commutation circuit 7 carries out processing and differentiating, confirm that (signal transacting 89C2051 circuit 7-1 compares process to these two kinds of signals in main channel, which signal quality is good, data accuracy height is then main channel data, otherwise be standby channel data, find that if be in operation main channel signal is of poor quality, or main channel is interrupted, then automatically switch to standby passage, if standby channel signal is of poor quality in operational process, or interrupts, then automatically switch to main channel), then the signal transacting 89C2051 circuit 7-1 in analog channel commutation circuit 7 operates corresponding relay (or simulant electronic switch) 7-2, simultaneously data after treatment arrive RS232 change-over circuit 8 by relay (or simulant electronic switch) 7-2 loop and RS485 change-over circuit 9 carries out signal conversion, data after conversion arrive the first external interface 11 and the second external interface 12, and the data that should provide for external interface are institute's usage datas such as external unit FTU or DTU.
The data of external unit FTU/DTU are after the first external interface 11 or the second external interface 12 arrive RS232 change-over circuit 8 or RS485 change-over circuit 9 carries out signal conversion, arrive relay (or simulant electronic switch) 7-2 of simulating signal commutation circuit 7, by signal transacting 89C2051 circuit 7-1, data-signal arrives GPRS wireless communication module 5 or cdma wireless communication module 6 is modulated, and the signal after modulation delivers to distribution main website by the first antenna 1 or the second antenna 2.
In addition, the confirmation principle of active and standby wireless communication module is: GPRS wireless communication module 5 and cdma wireless communication module 6 are active/standby wireless communication module, the signal intensity provided by the real-time heterogeneous networks supplier in scene determines, with signal intensity high/communication quality is well main wireless communication module, can automatically change in real time.
Claims (1)
1. a wireless two-channel intelligent detection device, it comprises interconnective GPRS wireless communication module (5) and cdma wireless communication module (6), GPRS wireless communication module (5) connects the first antenna (1) respectively, first SIM card (3), cdma wireless communication module (6) connects the second antenna (2) respectively, second SIM card (4), it is characterized in that GPRS wireless communication module (5) and cdma wireless communication module (6) all connecting analog channel switching circuits (7), analog channel commutation circuit (7) comprises signal transacting 89C2051 circuit (7-1), relay or simulant electronic switch (7-2), signal transacting 89C2051 circuit (7-1) connects relay or simulant electronic switch (7-2), the signal transacting 89C2051 circuit (7-1) of analog channel commutation circuit (7) is connected with cdma wireless communication module (6) with GPRS wireless communication module (5), relay or the simulant electronic switch (7-2) of analog channel commutation circuit (7) connect RS232 change-over circuit (8) respectively, RS485 change-over circuit (9), RS232 change-over circuit (8) connects the first external interface (11), RS485 change-over circuit (9) connects the second external interface (12), GPRS wireless communication module (5), cdma wireless communication module (6), analog channel commutation circuit (7), RS232 change-over circuit (8), RS485 change-over circuit (9) all connects feed circuit (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510472492.9A CN105045154A (en) | 2015-08-05 | 2015-08-05 | Wireless binary channel detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510472492.9A CN105045154A (en) | 2015-08-05 | 2015-08-05 | Wireless binary channel detection device |
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| Publication Number | Publication Date |
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| CN105045154A true CN105045154A (en) | 2015-11-11 |
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| CN201510472492.9A Pending CN105045154A (en) | 2015-08-05 | 2015-08-05 | Wireless binary channel detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105848175A (en) * | 2016-05-19 | 2016-08-10 | 国网山东省电力公司聊城供电公司 | Wireless communication test device of power distribution automation system and application thereof |
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| CN202904847U (en) * | 2012-09-26 | 2013-04-24 | 武汉盛华伟业科技有限公司 | Well field data collection transmission instrument |
| CN103731907A (en) * | 2013-12-24 | 2014-04-16 | 广西大学 | Network selection method based on multi-network convergence and multi-mode terminal device |
| CN204347514U (en) * | 2014-12-22 | 2015-05-20 | 水利部南京水利水文自动化研究所 | A kind of water conservancy information intelligent telemetry terminal system based on multi-channel data acquisition |
| CN204945675U (en) * | 2015-08-05 | 2016-01-06 | 国网山东省电力公司烟台供电公司 | A kind of wireless two-channel intelligent detection device |
-
2015
- 2015-08-05 CN CN201510472492.9A patent/CN105045154A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202183039U (en) * | 2011-07-14 | 2012-04-04 | 深圳市臻盛科技有限公司 | Intelligent cabinet monitoring system based on VPN technology of mobile network |
| CN202904847U (en) * | 2012-09-26 | 2013-04-24 | 武汉盛华伟业科技有限公司 | Well field data collection transmission instrument |
| CN103731907A (en) * | 2013-12-24 | 2014-04-16 | 广西大学 | Network selection method based on multi-network convergence and multi-mode terminal device |
| CN204347514U (en) * | 2014-12-22 | 2015-05-20 | 水利部南京水利水文自动化研究所 | A kind of water conservancy information intelligent telemetry terminal system based on multi-channel data acquisition |
| CN204945675U (en) * | 2015-08-05 | 2016-01-06 | 国网山东省电力公司烟台供电公司 | A kind of wireless two-channel intelligent detection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105848175A (en) * | 2016-05-19 | 2016-08-10 | 国网山东省电力公司聊城供电公司 | Wireless communication test device of power distribution automation system and application thereof |
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