CN205247603U - Solve communication extension terminal of power consumption information collection system up channel blind area - Google Patents
Solve communication extension terminal of power consumption information collection system up channel blind area Download PDFInfo
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- CN205247603U CN205247603U CN201521067348.9U CN201521067348U CN205247603U CN 205247603 U CN205247603 U CN 205247603U CN 201521067348 U CN201521067348 U CN 201521067348U CN 205247603 U CN205247603 U CN 205247603U
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Abstract
The utility model relates to a communication link terminal of the up channel signal blind area circumstances among the solution power consumption collection system, including virtual remote communications unit, controller, 4 -FSK modem, 230 data radio station and switching power supply, the controller contains the agreement and explains unit (" AT instruction set " reaches " QGDW 1376.3 -2013 " agreement and explain) and agreement retransmission unit. The utility model discloses a 230 the GPRS data communication that wireless point -to -point communication replaces some remote districts removal public network signal blind areas is carried out to the private network frequency channel, because 230 private network wireless communication set up the convenience, the cost sets up the GPRS basic station to be reduced by a wide margin, and can effectively solve some maybe need be to moving the power consumption acquisition terminal reading problem that the public network carry out signal shielding region such as mountain area, border equisignal blind area.
Description
Technical field
The utility model relates to a kind of communication terminal extension, especially a kind of communication terminal extension for electric power wireless private network.
Background technology
Accumulate in nationwide use experience according to power information acquisition terminal, at some such as the GPRS(general packet radio service technology such as mountain area, border, GeneralPacketRadioService) signal blind zone and need to carry out to mobile public network the region of signal shielding, because uplink communication channel is obstructed, the data that power information acquisition terminal collects cannot be by the automatic copy reading of system. Uplink communication channel cannot transmit the online rate that can affect on the one hand whole system, on the other hand, can make some area have to adopt artificial mode to investigate benefit and copy, and wastes time and energy, and cannot embody the original intention that whole power information acquisition system is promoted. The utility model substitutes public network GPRS channel by the electric power wireless private network wireless communication channel that utilizes electric company, utilizes the wireless point-to-point communication of private network of existing base station, solved in GPRS up channel blind area cannot automatic transmission power information a difficult problem.
Summary of the invention
The purpose of this utility model is: problem that cannot automatic transmission power information in GPRS up channel blind area for above-mentioned existing terminal, proposes the communication terminal extension that a kind of 230MHz of utilization electric power wireless private network replaces existing GPRS channel and carries out power information transmission.
In order to solve above technical problem, the utility model proposes a kind of communication terminal extension that solves power information acquisition system up channel blind area. Specific design scheme is as follows:
A kind of communication terminal extension for electric power wireless private network, it is characterized in that: the virtual long communication unit, controller, 4-FSK modem (4 phase frequency shift keyings, Frequency-shiftkeying) and 230 data radio stations that comprise Switching Power Supply and be linked in sequence; Switching Power Supply is connected with controller, 4-FSK modem and 230 data radio stations, is controller, 4-FSK modem and the power supply of 230 data radio stations; Power information acquisition terminal is connected with communication terminal extension by virtual long communication unit, virtual long communication unit by power information by sending into controller, again by controller according to protocol processes power information, and the power information of processing is sent into 4-FSK modem and modulate, last 230 data radio stations receive the power information after the modulation of 4-FSK modem and power information are sent in electric power wireless private network and are transmitted.
Described virtual long communication unit connects the signal of the communication interface reception power information on power information acquisition terminal by double contact pin, the signal of the telecommunications receiving breath is converted to the manageable signal of controller by level shifting circuit and enters follow-up controller module.
Described controller adopts MCULPC812M101JDH20 controller, comprise agreement Interpretation unit and protocol forward unit, virtual long communication unit is connected with agreement Interpretation unit, agreement Interpretation unit receives the power information of virtual long communication unit transmission, and power information is carried out to " AT command set " and explain or the explanation of " Q/GDW1376.3-2013 " agreement, power information after explaining is transferred to protocol forward unit, by protocol forward unit, the power information after explaining is sent to 4-FSK modem.
MCULPC812M101JDH20 controller is 32 8-digit microcontrollers (MCU), possesses real-time function, has 32 application powers simultaneously. Because it has adopted a two-level pipeline, not only can reduce power consumption, also can improve performance.
Two agreements of AT command set and Q/GDW1376.3-2013 have clear and definite explanation in industry standard, herein simple being described below only:
AT command set is from terminal device (TerminalEquipment, or data terminal equipment (DataTerminalEquipment TE), DTE) to terminal adapter (TerminalAdapter, TA) or data circuit termination equipment (DataCircuitTerminalEquipment, DCE) send. Terminal device sends AT instruction by terminal adapter and controls travelling carriage (MobileStation, MS), carries out alternately with GSM Network. The control of the aspects such as user can call out by AT instruction, note, phone directory, data service, fax. Every order of AT command set is with letter " AT " beginning, and AT heel letter and number character string shows concrete function, during the response data of AT instruction wraps in. Whether each instruction runs succeeded and returns accordingly. Other some unexpected information (as circuit no signal etc.), module will have some corresponding information indicatings, do corresponding processing by receiving terminal.
Q/GDW1376.3-2013 agreement has specified interface, the functional requirement of power consumer power information acquisition terminal remote communication module, and AT Command Set. Be applicable to respond the remote communication module of the standard such as GSM, CDMA, PSTN, various 3G, LTE of AT order, for the control of the modular unit of acquisition terminal and long-range master station communication and mutual.
Described 4-FSK modem digital transmitting and receiving port is connected with the protocol forward unit in controller, receive power information, power information is carried out after 4-FSK modulation that speed is 19.2Kbps, after modulation, the power information after modulation being transferred to 230 data radio stations.
Described 230 data radio stations adopt a day smart ND250A radio station, and 230 data radio stations are connected with 4-FSK modem output, the power information after modem modulation are sent to the special frequency range of 230MHz in electric power wireless private network, with the communication of long-range main website.
Data radio station is for Wireless Data Transmission, has been widely used in the aspect such as remote-control romote-sensing of electric power. There is the advantages such as transfer rate is high, reliable and stable, transmission Ju Cake is far away taking Digital Signal Processing and Digital Modulation as the digital radio station of mark. And day smart ND250A radio station is applicable to the wireless system for transmitting data of all kinds of point-to-point, point-to-multipoints, as the system such as electric power load monitoring and control, distribution automation.
Principle of the present utility model is: adopt controller to carry out hardware, softwarecompatible coupling to the agreement of power information acquisition terminal remote communication interface. Specifically carry out hardware compatibility by the design of the level switch module in virtual long communication unit and double contact pin exactly, carry out the softwarecompatible of two kinds of agreements by the protocol element in controller. Again the data message after compatibility coupling is unified into the desired form of industry standard and is transmitted to 4-FSK modem. Give 230 data radio stations by 4-FSK modem more afterwards and long-range main website carries out data interaction, thus solve GPRS signal blind zone main website cannot with the communication issue of acquisition terminal. The utility model belongs to modified in industry, with strong points, and relevant applicable system all has clear and definite industry standard to describe.
The beneficial effects of the utility model: the utility model use 230MHz electric power wireless private network point-to-point communication replaces existing mobile public network GPRS data communication and carries out power information transmission, guarantee power information acquisition system still can be copied and accepted power information automatically in some special areas such as GPRS signal blind zones, improve the rate of copying and accepting that the obstructed regional telecommunications of GPRS up channel ceases, thereby can alleviate the burden of manual metering.
In addition, because adopting the 230MHz of electric company private network, the utility model carries out wireless forwarding, and 230 private network wireless telecommunications are set up conveniently, cost sets up GPRS base station significantly to be reduced, without setting up new base station, adopt the communication terminal extension described in this practical information can reduce Overall Reconstruction cost, significantly shorten construction period, significantly reduce costs, and can be rapidly and electric company's private network communication system merge, use also convenient.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the utility model structural representation.
Fig. 2 is virtual long communication unit electrical block diagram of the present utility model.
Detailed description of the invention
Embodiment
A kind of communication terminal extension that solves power information acquisition system up channel blind area of the present embodiment, basic structure as shown in Figure 1, comprises virtual long communication unit, controller, 4-FSK modem, 230 data radio stations and Switching Power Supply; Controller comprises agreement Interpretation unit (explanation of " AT command set " and " Q/GDW1376.3-2013 " agreement), protocol forward unit and Switching Power Supply. Switching Power Supply is connected with controller, 4-FSK modem and 230 data radio stations, is controller, 4-FSK modem and the power supply of 230 data radio stations; Virtual long communication unit, controller, 4-FSK modem and 230 data radio stations are linked in sequence successively. Power information acquisition terminal is connected with communication terminal extension by virtual long communication unit, virtual long communication unit by power information by sending into controller, again by controller according to protocol processes power information, and the power information of processing is sent into 4-FSK modem and modulate, last 230 data radio stations receive the power information after the modulation of 4-FSK modem and power information are sent to electric power wireless private network and the communication of long-range main website.
Controller of the present utility model is MCULPC812M101JDH20; Adopt " AT command set " and " Q/GDW1376.3-2013 " protocol-compliant pattern. Modulation /demodulation adopts the 4-FSK mode that speed is 19.2Kbps. 230 data radio stations are a day smart ND250A radio station, work in 230MHz radio band.
Described virtual long communication unit connects the signal of the communication interface reception power information on power information acquisition terminal by double contact pin, the signal of the telecommunications receiving breath is converted to the manageable signal of controller by level shifting circuit and enters follow-up controller module.
Double contact pin in virtual long communication unit and level shifting circuit are as shown in Figure 2. RXT, the TXD of double contact pin and RXD interface connecting triode carry out level conversion, and the signal after conversion is inputed to level conversion output module by unification, exports the signal of telecommunication of having changed to controller below by level conversion output module.
Described controller adopts MCULPC812M101JDH20 controller, comprise agreement Interpretation unit and protocol forward unit, virtual long communication unit is connected with agreement Interpretation unit, agreement Interpretation unit receives the power information of virtual long communication unit transmission, and power information is carried out to " AT command set " and explain or the explanation of " Q/GDW1376.3-2013 " agreement, power information after explaining is transferred to protocol forward unit, by protocol forward unit, the power information after explaining is sent to 4-FSK modem.
Described 4-FSK modem digital transmitting and receiving port is connected with the protocol forward unit in controller, receive power information, power information is carried out after 4-FSK modulation that speed is 19.2Kbps, after modulation, the power information after modulation being transferred to 230 data radio stations.
Described 230 data radio stations adopt a day smart ND250A radio station, and 230 data radio stations are connected with 4-FSK modem output, the power information after modem modulation are sent to the special frequency range of 230MHz in electric power wireless private network, with the communication of long-range main website.
In addition to the implementation, the utility model can also have other embodiments. All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (5)
1. for a communication terminal extension for electric power wireless private network, it is characterized in that: the virtual long communication unit, controller, 4-FSK modem and 230 data radio stations that comprise Switching Power Supply and be linked in sequence; Switching Power Supply is connected with controller, 4-FSK modem and 230 data radio stations, is controller, 4-FSK modem and the power supply of 230 data radio stations; The input of communication terminal extension is exactly the input of virtual long communication unit, the input of communication terminal extension receives power information, virtual long communication unit is sent power information into controller, again by controller according to protocol processes power information, and the power information of processing is sent into 4-FSK modem and modulate, last 230 data radio stations receive the power information after the modulation of 4-FSK modem and power information are sent in electric power wireless private network and are transmitted.
2. the communication terminal extension for electric power wireless private network as claimed in claim 1, it is characterized in that, described virtual long communication unit connects the signal of the communication interface reception power information on power information acquisition terminal by double contact pin, the signal of the telecommunications receiving breath is converted to the manageable signal of controller by level shifting circuit and enters follow-up controller module.
3. the communication terminal extension for electric power wireless private network as claimed in claim 1, it is characterized in that, described controller adopts MCULPC812M101JDH20 controller, controller comprises agreement Interpretation unit and protocol forward unit, virtual long communication unit is connected with agreement Interpretation unit, agreement Interpretation unit receives the power information of virtual long communication unit transmission, and power information is carried out to " AT command set " and explain or the explanation of " Q/GDW1376.3-2013 " agreement, power information after explaining is transferred to protocol forward unit, by protocol forward unit, the power information after explaining is sent to 4-FSK modem.
4. the communication terminal extension for electric power wireless private network as claimed in claim 1, it is characterized in that, described 4-FSK modem digital transmitting and receiving port is connected with the protocol forward unit in controller, receive power information, power information is carried out after 4-FSK modulation that speed is 19.2Kbps, after modulation, the power information after modulation being transferred to 230 data radio stations.
5. the communication terminal extension for electric power wireless private network as claimed in claim 1, it is characterized in that, described 230 data radio stations adopt a day smart ND250A radio station, 230 data radio stations are connected with 4-FSK modem output, power information after modem modulation is sent to the special frequency range of 230MHz in electric power wireless private network, with the communication of long-range main website.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521067348.9U CN205247603U (en) | 2015-12-21 | 2015-12-21 | Solve communication extension terminal of power consumption information collection system up channel blind area |
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| CN201521067348.9U CN205247603U (en) | 2015-12-21 | 2015-12-21 | Solve communication extension terminal of power consumption information collection system up channel blind area |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707365A (en) * | 2017-11-08 | 2018-02-16 | 中国电子科技集团公司第二十八研究所 | A kind of radio station remote control switch controller and control method |
| CN110930678A (en) * | 2019-12-17 | 2020-03-27 | 金华送变电工程有限公司 | System for realizing data acquisition and transmission of operation terminal by adopting special power grid |
-
2015
- 2015-12-21 CN CN201521067348.9U patent/CN205247603U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707365A (en) * | 2017-11-08 | 2018-02-16 | 中国电子科技集团公司第二十八研究所 | A kind of radio station remote control switch controller and control method |
| CN110930678A (en) * | 2019-12-17 | 2020-03-27 | 金华送变电工程有限公司 | System for realizing data acquisition and transmission of operation terminal by adopting special power grid |
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