CN205451469U - Concentrator GPRS signal extender - Google Patents
Concentrator GPRS signal extender Download PDFInfo
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- CN205451469U CN205451469U CN201620248654.0U CN201620248654U CN205451469U CN 205451469 U CN205451469 U CN 205451469U CN 201620248654 U CN201620248654 U CN 201620248654U CN 205451469 U CN205451469 U CN 205451469U
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Abstract
The utility model relates to a concentrator GPRS signal extender, including the primary module device, from module device and serial ports switching module device, serial ports switching module device and concentrator communication connection, serial ports switching module device with from module device communication connection, pass through power line carrier from module device and primary module device and form the long -range communication connection of disconnect -type, the primary module device is equipped with GPRS communication module, GPRS communication module and terminal equipment communication connection. The concentrator sends data signal from the module device to through serial ports switching module device, follows the module device and sends the received signal to the primary module device through the power line carrier form, and the primary module device sends the received signal to terminal equipment through GPRS communication module. The utility model discloses a power line carrier replaces the GPRS signal transmission data, has effectively strengthened concentrator signal intensity, ensures that the concentrator is stable online, makes the antenna pass through the power line extension, need not to lay the antenna cable.
Description
Technical field
This utility model relates to a kind of power line carrier signal concentrator device for signalling, extends transporter particularly to a kind of concentrator GPRS signal, belongs to electric apparatus monitoring field.
Background technology
In recent years, national grid is just carrying forward vigorously power information collection construction, it is proposed that the target of collecting work " full collection, all standing, control in full ".Additionally, line loss becomes more meticulous, the coverage rate of work Ye Duitai district summary table, collection success rate propose the highest requirement.But along with going deep into of power information collecting work, owing to part concentrator is arranged in basement or corridor, GPRS jitter, cause this part platform district check meter success rate fluctuation, reach the standard grade poor stability or do not reach the standard grade, thus cause and gather unsuccessfully, have a strong impact on daily data collection task.And scene is owing to being limited by equipment itself and environment, it has not been convenient to solve by lengthening the form of construction work such as holding wire, displacement.At present, the method solving concentrator signal problem has multiple, and starting point is different, and effect is also not quite similar.Specifically: one, install long antenna additional, this method low price, but signal increases with antenna length and the increase that decays, needs drilling construction；Its two, data feedback channel is changed into fiber optic network by GPRS, this method signal stabilization, but gathers and need synchronized construction optical-fibre channel when building, it is impossible to the later stage builds；Its three, concentrator is displaced to signal good area, and this method is simple and convenient, but run into cannot shift or shift need to change direct-connected for the situation of the connected mode of carrier wave time, operating process is loaded down with trivial details.The concentrator installed in weak output signal area at present commonly uses extended type antenna, and the signal attenuation of its incoming terminal is very big, and effect is extremely limited.
Summary of the invention
This utility model concentrator GPRS signal extender discloses new scheme, power line carrier is used to replace GPRS signal to extend the transmission range of electric power signal, the stability of transmission data, the problem that solve existing power line carrier concentrator jitter are greatly improved.
This utility model concentrator GPRS signal extender includes primary module device, from modular device and serial ports interconnecting module device, serial ports interconnecting module device communicates to connect with concentrator, serial ports interconnecting module device communicates to connect with from modular device, form separate type telecommunication with primary module device by power line carrier from modular device to be connected, primary module device is provided with GPRS communication module, and GPRS communication module is connected with terminal equipment in communication.Data signal is sent to from modular device by serial ports interconnecting module device by concentrator, sending, by power line carrier form, the signal received to primary module device from modular device, primary module device sends, by GPRS communication module, the signal received to terminal unit.
This utility model concentrator GPRS signal extender uses power line carrier to replace GPRS signal transmitted data signal, effectively strengthens the signal intensity of concentrator, it is ensured that concentrator is stably online, makes antenna be extended by electric lines of force, and need not lay antenna cables.
Accompanying drawing explanation
Fig. 1 is this utility model concentrator GPRS signal extender principle schematic.
Fig. 2 is serial ports interconnecting module device schematic diagram.
Fig. 3 is primary module device schematic diagram.
Fig. 4 is from modular device schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, this utility model concentrator GPRS signal extender includes primary module device, from modular device and serial ports interconnecting module device, serial ports interconnecting module device communicates to connect with concentrator, serial ports interconnecting module device communicates to connect with from modular device, form separate type telecommunication with primary module device by power line carrier from modular device to be connected, primary module device is provided with GPRS communication module, and GPRS communication module is connected with terminal equipment in communication.Such scheme utilizes the mode of power line carrier to extend concentrator and the communication distance of GPRS communication module in existing scheme on the premise of ensureing signal intensity, make GPRS communication module can be positioned in the place being easy to radio communication, effectively improve the drawback that existing concentrator signal of communication is weak.Wherein, power line carrier connected mode between master and slave modular device can use distribution line carrier or low-voltage distribution wire carrier schemes to realize, specifically form separate type telecommunication with primary module device by distribution line carrier from modular device to be connected, send, by distribution line carrier form, the signal received to primary module device from modular device, or, form separate type telecommunication with primary module device by low-voltage distribution wire carrier wave from modular device to be connected, send, by low-voltage distribution wire carrier format, the signal received to primary module device from modular device.DLC communication cost performance is high, is widely used in distribution network monitoring, long-range meter reading and load control system.Power distribution lines carrier is divided into ripple control and industrial frequency control two kinds, and ripple control technology is mainly used in one-way communication, and industrial frequency control technology is two-way communication, and equipment is simple, and Installed capital cost is low, and communication efficiency is more preferable.On the premise of ensureing equipment operating environment (shielding various electromagnetic interference), low-voltage distribution line carrier communication has a wide range of applications.
Data signal is sent to from modular device by serial ports interconnecting module device by concentrator, sending, by power line carrier form, the signal received to primary module device from modular device, primary module device sends, by GPRS communication module, the signal received to described terminal unit.In such scheme, the telecommunications functions that GPRS communication module realizes can also use CDMA module to realize.Fig. 1 shows a kind of concrete connected mode of this programme each device signal, serial ports interconnecting module is arranged on the right side of concentrator replaces original GPRS communication module, it is arranged on concentrator side from module, it is connected with serial ports interconnecting module by serial port connecting wire, concentrator data and Interface status are given to primary module.Primary module is arranged on same district's signal relatively benefit, originally the GPRS communication module pulled up from concentrator is arranged in primary module respective socket, carry out data remote transmission by low voltage power line carrier between master and slave module, thus reduce construction and installation workload.Telepak can use the communication modules such as GPRS, CDMA, PSTN, and supports to change the communication module such as EPON, medium voltage power line carrier wave.Communication plan based on above-mentioned improvement, this programme brings techniques below effect: (1) with cost-effective manner, effectively solves to use signal blind zone in GPRS wireless public network transmission means power information at present, without situations such as the covering of GPRS signal, jitters.Compatibility includes other communication patterns such as CDMA simultaneously；(2) solve basement application, use extended distance in gain antenna to be not more than the situation of 15m, make covering part air line distance not less than 500m；(3) solve the transmission delay problem of small wireless mode；(4) simultaneously compared with GPRS holding wire extension system, it uses spare part in common use and connection member, and its superiority of effectiveness is obvious, and reliability is higher；(5) result of practical application shows, this device can guarantee that concentrator reaches 99% with the power information collection success rate of main website；(6) produced problem during concentrator GPRS signal extender solves basement application, achieve the signal not less than 500 meters to extend, it is applicable to outlying no signal area, and the power information collection of jitter region, make electric company reduce copy and accept cost and in remotely monitoring produced problem, improve working performance.
The serial ports interconnecting module device of this programme is one and receives the device transmitting concentrator signal, the electric power signal of concentrator is sent to from modular device by serial ports interconnecting module device, its concrete connected mode can be in the way of selecting holding wire, i.e. serial ports interconnecting module device is connected by RS232 port communication with from modular device.As shown in Figure 2, the serial ports interconnecting module device of this programme includes totally-enclosed shielding shell and the serial ports interconnecting module being located in above-mentioned totally-enclosed shielding shell, serial ports interconnecting module includes signal transmission/receiver module and power module, totally-enclosed shielding outer surface of outer cover is provided with power supply indicator and signal transmission/codan lamp, the duty of power supply indicator instruction power module, the duty of signal transmission/codan lamp indication signal transmission/receiver module.Wherein, totally-enclosed shielding shell provides good communication environment, power supply indicator and signal transmission/codan lamp and then provides convenience for the detection work of execute-in-place commissioning staff.
The primary module device of this programme is one and receives carrier signal, and transmit the device of long-range communication signal, electric power signal by using the form of power line carrier to send primary module device to from modular device, then the wireless communication module arranged by primary module device is sent to background terminal.As shown in Figure 3, the primary module device of this programme includes totally-enclosed shielding shell and the primary module being located in above-mentioned totally-enclosed shielding shell, primary module includes power module, carrier signal transceiver module, rs 232 serial interface signal transceiver module and GPRS communication module, totally-enclosed shielding outer surface of outer cover is provided with power supply indicator, carrier signal transmitting-receiving display lamp, rs 232 serial interface signal transmitting-receiving display lamp communicates with GPRS display lamp, the duty of power supply indicator instruction power module, the duty of carrier signal transmitting-receiving display lamp indication carrier wave signal transmitting and receiving module, the duty of rs 232 serial interface signal transmitting-receiving display lamp instruction rs 232 serial interface signal transceiver module, the duty of GPRS communication display lamp instruction GPRS communication module.Fig. 1,3 concrete connected mode and the positions showing primary module device, i.e. primary module is connected with former concentrator GPRS module by serial ports, carried out data transmission with from module by power line carrier communication mode, in order to improve the quality of wireless signal, primary module device can be selectively mounted to outdoor same district's signal and cover good position.The main communication interfaces of this programme primary module see table.
In order to coordinate with primary module device, this programme from modular device also include corresponding module design, as shown in Figure 4, specifically from modular device include totally-enclosed shielding shell and be located in above-mentioned totally-enclosed shielding shell from module, power module is included from module, carrier signal transceiver module and rs 232 serial interface signal transceiver module, totally-enclosed shielding outer surface of outer cover is provided with power supply indicator, carrier signal transmitting-receiving display lamp and rs 232 serial interface signal transmitting-receiving display lamp, the duty of power supply indicator instruction power module, the duty of carrier signal transmitting-receiving display lamp indication carrier wave signal transmitting and receiving module, the duty of rs 232 serial interface signal transmitting-receiving display lamp instruction rs 232 serial interface signal transceiver module.Being connected with modular converter by serial ports from modular device, be placed in by concentrator, its major function is the communication switching with concentrator, and by carrier system, data are passed to primary module device.
Electrical equipment, circuit, module and the electronic devices and components related in such scheme, in addition to special instruction, can select design generally in the art and scheme according to its concrete function realized, it is also possible to selects other design and schemes according to actual needs.
Based on above-mentioned design and scheme, the concentrator GPRS signal extender of this programme has reached following performance indications.
(1) running voltage, frequency
Primary module: AC130V～AC380V50Hz
From module: AC130V～AC380V50Hz
(2) working environment
Operating temperature-40 DEG C～85 DEG C
Storage and transport temperature-40 DEG C～70 DEG C
Storage and working relative humidity≤95%
(3) technical parameter
The concentrator GPRS signal extender of this programme is used the power line carrier pattern of checking meter to be inspired by concentrator and intelligent electric meter 485 port, carrier signal is equivalent to a kind of prolongation of 485 lines by power line transmission, therefore, GPRS signal data can also be transmitted by power line carrier.The master and slave module of concentrator GPRS signal extender uses power line carrier communication mode to connect, and has without the extra advantage laying communication line, reduces installation difficulty, cost-effective.Use modularized design, it is simple to Operation and maintenance.Use status indicator lamp display different operating state, it is simple to installation and debugging.The concentrator signal extender of this programme solves the problem that terminal cannot log in main website, data acquisition and the overall online rate of terminal to terminal promote and are significant, simultaneously the most also to carrying out the big data analysis of collection from now on, and provide effective data supporting for quality of power supply on-line monitoring, line loss fine-grained management, the work such as oppose electricity-stealing.How the concentrator GPRS signal extender of this programme is obtaining actual application test, all can properly functioning several weeks, gather main station monitoring stably online, gather success rate and maintain more than 99%.According to on-the-spot using effect, preferable for outdoor signal can be extended to concentrator side, make concentrator stably reach the standard grade, collection data are uploaded to main website, complete electric energy information collection by this device.The concentrator GPRS signal extender of this programme with other to promote compared with GPRS mode gathers the scheme of signal intensity, reliability height and low cost, solve the main website under various no signal overlay area and concentrator communication, issue the problem performing to break down in command procedure, there is substantive distinguishing features and progress.
The concentrator GPRS signal extender of this programme is not limited to detailed description of the invention disclosure, the technical scheme occurred in embodiment can be with individualism, can also mutually comprise, those skilled in the art combine, according to this programme, the simple alternative that common knowledge makes and fall within the scope of this programme.
Claims (6)
1. concentrator GPRS signal extender, it is characterized in that including primary module device, from modular device and serial ports interconnecting module device, described serial ports interconnecting module device communicates to connect with concentrator, described serial ports interconnecting module device communicates to connect from modular device with described, described form separate type telecommunication from modular device and described primary module device by power line carrier and be connected, described primary module device is provided with GPRS communication module, and described GPRS communication module is connected with terminal equipment in communication；Data signal is sent to described from modular device by described concentrator by described serial ports interconnecting module device, described sending, by power line carrier form, the signal received to described primary module device from modular device, described primary module device sends, by described GPRS communication module, the signal received to described terminal unit.
Concentrator GPRS signal extender the most according to claim 1, it is characterized in that, described form separate type telecommunication from modular device and described primary module device by distribution line carrier and be connected, described send, by distribution line carrier form, the signal received to described primary module device from modular device.
Concentrator GPRS signal extender the most according to claim 1, it is characterized in that, described form separate type telecommunication from modular device and described primary module device by low-voltage distribution wire carrier wave and be connected, described send, by low-voltage distribution wire carrier format, the signal received to described primary module device from modular device.
Concentrator GPRS signal extender the most according to any one of claim 1 to 3, it is characterized in that, described serial ports interconnecting module device is connected by RS232 port communication from modular device with described, described serial ports interconnecting module device includes totally-enclosed shielding shell and the serial ports interconnecting module being located in described totally-enclosed shielding shell, described serial ports interconnecting module includes signal transmission/receiver module and power module, described totally-enclosed shielding outer surface of outer cover is provided with power supply indicator and signal transmission/codan lamp, described power supply indicator indicates the duty of described power module, described signal transmission/codan lamp indicates the duty of described signal transmission/receiver module.
nullConcentrator GPRS signal extender the most according to any one of claim 1 to 3，It is characterized in that，Described primary module device includes totally-enclosed shielding shell and the primary module being located in described totally-enclosed shielding shell，Described primary module includes power module、Carrier signal transceiver module、Rs 232 serial interface signal transceiver module and GPRS communication module，Described totally-enclosed shielding outer surface of outer cover is provided with power supply indicator、Carrier signal transmitting-receiving display lamp、Rs 232 serial interface signal transmitting-receiving display lamp communicates with GPRS display lamp，Described power supply indicator indicates the duty of described power module，Described carrier signal transmitting-receiving display lamp indicates the duty of described carrier signal transceiver module，Described rs 232 serial interface signal transmitting-receiving display lamp indicates the duty of described rs 232 serial interface signal transceiver module，Described GPRS communication display lamp indicates the duty of described GPRS communication module.
Concentrator GPRS signal extender the most according to any one of claim 1 to 3, it is characterized in that, described from modular device include totally-enclosed shielding shell and be located in described totally-enclosed shielding shell from module, described include power module from module, carrier signal transceiver module and rs 232 serial interface signal transceiver module, described totally-enclosed shielding outer surface of outer cover is provided with power supply indicator, carrier signal transmitting-receiving display lamp and rs 232 serial interface signal transmitting-receiving display lamp, described power supply indicator indicates the duty of described power module, described carrier signal transmitting-receiving display lamp indicates the duty of described carrier signal transceiver module, described rs 232 serial interface signal transmitting-receiving display lamp indicates the duty of described rs 232 serial interface signal transceiver module.
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| CN201620248654.0U CN205451469U (en) | 2016-03-29 | 2016-03-29 | Concentrator GPRS signal extender |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719471A (en) * | 2016-03-29 | 2016-06-29 | 国网上海市电力公司 | Concentrator GPRS (general packet radio service) signal extender |
| CN107293105A (en) * | 2017-08-14 | 2017-10-24 | 国家电网公司 | Turn the remote data transmission system of GPRS module based on carrier wave |
| CN108122400A (en) * | 2017-12-14 | 2018-06-05 | 国家电网公司 | A kind of power information collection communicating system |
-
2016
- 2016-03-29 CN CN201620248654.0U patent/CN205451469U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719471A (en) * | 2016-03-29 | 2016-06-29 | 国网上海市电力公司 | Concentrator GPRS (general packet radio service) signal extender |
| CN107293105A (en) * | 2017-08-14 | 2017-10-24 | 国家电网公司 | Turn the remote data transmission system of GPRS module based on carrier wave |
| CN108122400A (en) * | 2017-12-14 | 2018-06-05 | 国家电网公司 | A kind of power information collection communicating system |
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