CN203870801U - Low-voltage centralized meter reading communication detection device - Google Patents
Low-voltage centralized meter reading communication detection device Download PDFInfo
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- CN203870801U CN203870801U CN201420192107.6U CN201420192107U CN203870801U CN 203870801 U CN203870801 U CN 203870801U CN 201420192107 U CN201420192107 U CN 201420192107U CN 203870801 U CN203870801 U CN 203870801U
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Abstract
The utility model provides a low-voltage centralized meter reading communication detection device, which includes a mainboard, a power supply conversion module, a display module, a control module, a communication interface module, a power grid environmental analysis module and a remote control telesignalisation module, wherein the power supply conversion module, the display module, the control module, the communication interface module, the power grid environmental analysis module and the remote control telesignalisation module are all electrically connected with the mainboard respectively; a 232 port, a 485 port, an infrared port, a carrier wave port and a GPRS port are arranged on the communication interface module; an MAX232 chip connected with the 232 port and an MAX 485 chip connected with the 485 port are arranged on the mainboard; the infrared port includes an infrared emission receiver module; the carrier wave port is externally connected with a carrier wave module. The low-voltage centralized meter reading communication detection device can quickly and accurately carry out qualitative and quantitative analysis on failures, determine the trouble spot and accurately and efficiently determine the failures.
Description
Technical field
The utility model relates to electric power carrier communication technology field, particularly a kind of low-voltage collecting meter reading communication check device.
Background technology
At present domestic have a large amount of low pressure centralized automatic meter-reading equipment to move, but in low pressure centralized automatic meter-reading equipment running process, fault type is also many, when safeguarding and solving failure problems, professional and technical personnel only can judge according to personal experience in the past and search problem, thereby can not to fault, carry out qualitative and quantitative analysis efficiently rapidly, expliciting the position problem points.
Utility model content
In order to address the above problem, the utility model provides a kind of low-voltage collecting meter reading communication check device, professional and technical personnel can detect the low pressure centralized automatic meter-reading of fault in-situ by low-voltage collecting meter reading communication check device, accurately fault is carried out to qualitative and quantitative analysis rapidly, problem identificatioin point, the location failure problems of precise and high efficiency.Concrete technical scheme is as follows:
Low-voltage collecting meter reading communication check device, mainboard, power transfer module, display module, operational module, communication interface modules, power grid environment analysis module and remote control remote communication module, and power transfer module, display module, operational module, communication interface modules, power grid environment analysis module and remote control remote communication module are electrically connected with mainboard respectively; Communication interface modules is provided with 232 mouthfuls, 485 mouthfuls, infrared mouthful, carrier wave mouth and GPRS interface; Mainboard is provided with MAX232 chip and MAX485 chip, and 232 mouthfuls are connected with MAX232 chip; 485 mouthfuls are connected with MAX485 chip; Infrared mouth comprises infrared emission Receiver; The external carrier module of carrier wave mouth.
Operational module comprises upper and lower, left and right, enter, esc key, and operational module is electrically connected to by winding displacement with mainboard.
Power grid environment analysis module is connected with following arbitrary interface telecommunication: 232 mouthfuls, 485 mouthfuls, TTL, RJ45 mouth.
The carrier frequency of carrier module is 50kHz～500kHz; Carrier level attenuation range is 120dBuV～60dBuV; Receive frequency is 50kHz～500kHz; Incoming level is noise level+10dBuV～130dBuV; Intermediate-frequency bandwidth≤± 7.5kHz.
Each functional module in low-voltage collecting meter reading communication check device of the present utility model realizes electrical connection by back panel wiring, uses simple and safely, and signal is more stable, test is more accurate.Mainboard communication port agreement is complete; Communication interface modules is provided with 232 mouthfuls, 485 mouthfuls, infrared mouthful, carrier wave mouth and GPRS interface, is convenient to the expansion of system, can expand RJ45 mouth simultaneously.Electrical network analysis module can have been carried out collection analysis record etc. to noise level, impedance variation, signal level attenuation, multidiameter effect etc., and simple to operation, demonstration information is complete, easy-to-understand, precise and high efficiency location failure problems.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is each module diagram of low-voltage collecting meter reading communication check device.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, low-voltage collecting meter reading communication check device comprises mainboard, power transfer module, display module, operational module, communication interface modules, power grid environment analysis module and remote control remote communication module, and power transfer module, display module, operational module, communication interface modules, power grid environment analysis module and remote control remote communication module are electrically connected with mainboard respectively.
The operating ambient temperature of low-voltage collecting meter reading communication check device is 80 ℃ to-40 ℃, and preferred operating ambient temperature is 80 ℃ to-25 ℃.Mainboard is provided with complete communication port agreement, as agreements such as 07 of electric energy meter stipulations and 97 stipulations, national grid electricity consumption acquisition systems 376.1,376.2.The approximately customizable exploitation of square gauge over the ground, economizes collection as 2009 and 2012 version Guangdong, Guangxis and copies agreement.
Power transfer module is for the standard electric alternating current of 220v is pressed and changed into the low-voltages such as 12V, 5V, 3.3V by lead-in wire, transformer and capacitance resistance etc., and by mainboard to display module, operational module, communication interface modules, power grid environment analysis module, remote control remote communication module for power supply.Described transformer is high-precision transformer, makes power supply conversion efficiency high, reduces power consumption.
Because existing low-voltage collecting meter reading device communication interface kind includes 232 mouthfuls, 485 mouthfuls, TTL mouth, infrared mouthful, carrier wave mouth and GPRS mouth, when breaking down, professional and technical personnel must investigate one by one to above-mentioned interface.The utility model communication interface modules is provided with 232 mouthfuls, 485 mouthfuls, infrared mouthful, carrier wave mouth and GPRS interface.The USART of mainboard connects a MAX232 chip and a MAX485 chip, and wherein 232 mouthfuls are connected with MAX232 chip, convert 232 signals to, then draw by the chieftain of a DB9; 485 mouthfuls are connected with optical coupling isolation circuit with MAX485 chip, convert 485 signals to, then by the A on communication panel B line draw and with the equipment connections such as collector and concentrator.The USART that infrared mouth is expanded by mainboard connects infrared emission Receiver and forms; Carrier wave mouth is all generally Transistor-Transistor Logic level, by mainboard pin, is drawn, and external carrier module to be tested is provided with holding circuit between described carrier wave mouth and carrier module.The carrier frequency of described carrier module is 50kHz～500kHz; Carrier level attenuation range is 120dBuV～60dBuV; Receive frequency is 50kHz～500kHz; Incoming level is noise level+10dBuV～130dBuV; Intermediate-frequency bandwidth≤± 7.5kHz.GPRS interface also adopts Transistor-Transistor Logic level.
Operational module comprises upper and lower, left and right, enter, esc key, and it is realized and being electrically connected to by winding displacement with mainboard, and circuit does not simply need other wiring, safe and reliable.
Power grid environment analysis module can adopt communication mode to be connected with on communication interface modules 232 mouthfuls, 485 mouthfuls, TTL or RJ45 mouth.Randomness, timeliness and polytrope etc. due to power grid environment, cause the unstable and uncontrollable of communication, power grid environment analysis module is the impact on signal by collection analysis noise level, impedance variation, signal level attenuation, multidiameter effect etc., the impacts of aspect on carrier module transfer rate and frequency such as comprehensive ground unrest, interference noise, impulsive noise, impedance and decay, and to the data after gathering and analyzing record, classify, statistics etc., then by data feedback to mainboard, mainboard provides best decision-making according to obtained data.
Remote control remote communication module is electrically connected to the terminal row of mainboard by wire, and wiring is simple and reliable.Because the ammeter major part at low-voltage collecting meter reading communication scene has anti-stealing electricity function, remote control remote communication module produces the remote signalling remote measurement terminal that signal testing collection is copied equipment, be used for checking anti-stealing electricity function signal, make collection copy equipment operation more reliable, user reduces unnecessary loss.
Display module is electrically connected to by winding displacement and the mainboard of seamless link, and IIC interface signal is reliable and stable.Display module comprises LCD display, for reflecting low-voltage collecting meter reading communication field condition feedback, helps professional and technical personnel to find in time failure problems.Display module displaying contents comprises the relevant information of carrier module parameter, communication frequency, bandwidth, communication interface standard type, agreement selection, transmitting-receiving message, analysis result, the selection of inspection machine object and the explanation of inspection machine function, device itself etc.
Low-voltage collecting meter reading communication check device is by the selected function of operational module, further select different checked objects, communication interface modules is selected the corresponding agreement of corresponding inspection machine, and selected agreement is tested, mainboard is again according to the message situation judgement communication failure reason of returning, fault is carried out to a record sort, and show by display module simultaneously.
Each functional module in low-voltage collecting meter reading communication check device of the present utility model realizes electrical connection by back panel wiring, uses simple and safely, and signal is more stable, test is more accurate.Mainboard communication port agreement is complete; Communication interface modules is provided with 232 mouthfuls, 485 mouthfuls, infrared mouthful, carrier wave mouth and GPRS interface, is convenient to the expansion of system, can expand RJ45 mouth simultaneously.Electrical network analysis module can have been carried out collection analysis record etc. to noise level, impedance variation, signal level attenuation, multidiameter effect etc., and simple to operation, demonstration information is complete, easy-to-understand, precise and high efficiency location failure problems.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. a low-voltage collecting meter reading communication check device, it is characterized in that, mainboard, power transfer module, display module, operational module, communication interface modules, power grid environment analysis module and remote control remote communication module, and power transfer module, display module, operational module, communication interface modules, power grid environment analysis module and remote control remote communication module are electrically connected with mainboard respectively; Communication interface modules is provided with 232 mouthfuls, 485 mouthfuls, infrared mouthful, carrier wave mouth and GPRS interface; Mainboard is provided with MAX232 chip and MAX485 chip, and 232 mouthfuls are connected with MAX232 chip; 485 mouthfuls are connected with MAX485 chip; Infrared mouth comprises infrared emission Receiver; The external carrier module of carrier wave mouth.
2. low-voltage collecting meter reading communication check device according to claim 1, is characterized in that, operational module comprises upper and lower, left and right, enter, esc key, and operational module is electrically connected to by winding displacement with mainboard.
3. low-voltage collecting meter reading communication check device according to claim 1, is characterized in that, power grid environment analysis module is connected with following arbitrary interface telecommunication: 232 mouthfuls, 485 mouthfuls, TTL, RJ45 mouth.
4. low-voltage collecting meter reading communication check device according to claim 1, is characterized in that, the carrier frequency of carrier module is 50kHz～500kHz; Carrier level attenuation range is 120dBuV～60dBuV; Receive frequency is 50kHz～500kHz; Incoming level is noise level+10dBuV～130dBuV; Intermediate-frequency bandwidth≤± 7.5kHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420192107.6U CN203870801U (en) | 2014-04-18 | 2014-04-18 | Low-voltage centralized meter reading communication detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420192107.6U CN203870801U (en) | 2014-04-18 | 2014-04-18 | Low-voltage centralized meter reading communication detection device |
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| Publication Number | Publication Date |
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| CN203870801U true CN203870801U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420192107.6U Expired - Fee Related CN203870801U (en) | 2014-04-18 | 2014-04-18 | Low-voltage centralized meter reading communication detection device |
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| CN (1) | CN203870801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290586A (en) * | 2017-06-09 | 2017-10-24 | 河南工业贸易职业学院 | Acquiring electric energy information debugger |
-
2014
- 2014-04-18 CN CN201420192107.6U patent/CN203870801U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290586A (en) * | 2017-06-09 | 2017-10-24 | 河南工业贸易职业学院 | Acquiring electric energy information debugger |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20180418 |
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| CF01 | Termination of patent right due to non-payment of annual fee |