CN206584515U - Wireless telecommunications ammeter - Google Patents

Wireless telecommunications ammeter Download PDF

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Publication number
CN206584515U
CN206584515U CN201621425243.0U CN201621425243U CN206584515U CN 206584515 U CN206584515 U CN 206584515U CN 201621425243 U CN201621425243 U CN 201621425243U CN 206584515 U CN206584515 U CN 206584515U
Authority
CN
China
Prior art keywords
wireless
meter
electric power
acquisition terminal
power acquisition
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
Application number
CN201621425243.0U
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Chinese (zh)
Inventor
李亮
丁润玲
樊晓苹
刘俊
郑麟
牛海生
徐军
王晓红
罗毅
蔡炳年
吴程强
刘小凡
梁斌
童成霄
杨俊俊
李锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hai Bei Electric Co Of Guo Wang Qinghai Province Utilities Electric Co
State Grid Qinghai Electric Power Co Ltd
Original Assignee
Hai Bei Electric Co Of Guo Wang Qinghai Province Utilities Electric Co
State Grid Qinghai Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hai Bei Electric Co Of Guo Wang Qinghai Province Utilities Electric Co, State Grid Qinghai Electric Power Co Ltd filed Critical Hai Bei Electric Co Of Guo Wang Qinghai Province Utilities Electric Co
Priority to CN201621425243.0U priority Critical patent/CN206584515U/en
Application granted granted Critical
Publication of CN206584515U publication Critical patent/CN206584515U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model, which provides a kind of wireless telecommunications ammeter, to be included connecting the electric power acquisition terminal and radio hand-held equipment of multiple intelligent electric meters, and the wireless handheld terminal could be operated in the case where being authorized to the electric power acquisition terminal.The wireless telecommunications ammeter is based on GPRS wireless long-distance meter-readings, the mode supplemented by wireless short-distance meter reading, solves outstanding problem in our province at this stage or even national long-distance meter-reading system.It had both maintained the high efficiency of wireless long-distance meter-reading, high reliability, the advantage of real-time.Simultaneously for the accuracy of the meter reading efficiency for needing manually-operated occasion near radio technology that workman will be greatly improved, and meter reading, it is ensured that the personal safety of workman.Future, when signal of communication realizes regional all standing, the standby meter reading passage that short-distance wireless handheld device can still act as in the case of kilowatt meter recorder breaks down is used, and continues to provide facility during the debugging and accident analysis of kilowatt meter recorder for attendant.

Description

Wireless telecommunications ammeter
Technical field
The utility model is related to field of power transmission, more particularly to a kind of wireless telecommunications ammeter.
Background technology
Wired long-distance meter-reading system can detect the situation of user in real time, but in the build process of system early stage In, it is necessary to put into the work that substantial amounts of manpower and materials carry out winding displacement wiring, and exist during installation and debugging and can not much resist Power and difficulty.The fault detect and maintenance in later stage have certain uncertain factor, circuit be considered as with natural environment destroy can Can be larger, to popularize in an all-round way using relatively difficult.Wireless automatic meter recording system is current newest meter reading method, and it combines nothing Line communication technology and computer networking technology, the advantage for not only possessing original meter reading method, also with the excellent of itself uniqueness Point, such as later maintenance are convenient, data real-time accuracys are protected and regulatory authorities can be according to real-time Situation adjustment way to manage etc..But wireless kilowatt meter reading-out system still has some defects of its own.With regard to GPRS radio meter register mode Speech, due to very big dependence of its transmitting procedure to communication signal strength, for its remote uninhabited regional signal intensity by To limitation, the reliability and real-time of data transfer are largely reduced.
Comprehensive, existing various kilowatt meter reading-out systems have many defects, and the development of following kilowatt meter reading-out system has determined as remotely Radio meter register direction.Radio meter register has very big development space and value in terms of economic benefit, energy consumption.But it is right The Special section being radiated that can not be radiated or can not stablize in some wireless kilowatt meter reading-out systems, it is still desirable to manually to data It is acquired.Or need also exist for manually being grasped when an area is broken down and needs and carry out maintenance and debugging to scene Make.And the coverage rate of national signal of communication is also unable to reach no dead angle all standing in a short time at present.
Utility model content
The utility model provides a kind of wireless telecommunications ammeter, including:
Electric power acquisition terminal, connects multiple intelligent electric meters, and the electric power acquisition terminal is used to keep original gathered data, and Possesses the function of GPRS transmission data;And radio hand-held equipment, for the electric power acquisition terminal communicate wirelessly with Radio meter register is realized, the wireless handheld terminal could be operated in the case where being authorized to the electric power acquisition terminal.
Optionally, the radio hand-held equipment includes limited communication interface, for handheld device to be connected with the external world, passes through The work authority of specific software handheld device is authorized.
Optionally, radio hand-held equipment includes GPRS module interface, for realizing remote authorization.
Optionally, the radio hand-held equipment is CC1100-232 data modules.
Optionally, the electric power acquisition terminal connects multiple intelligent electric meters by RS485.
Wireless telecommunications ammeter of the present utility model includes connecting the electric power acquisition terminal and wireless hand of multiple intelligent electric meters Holding equipment, the wireless handheld terminal could be operated in the case where being authorized to the electric power acquisition terminal.This is wireless Ammeter is communicated based on GPRS wireless long-distance meter-readings, the mode supplemented by wireless short-distance meter reading solves our province at this stage or even complete Outstanding problem in state's long-distance meter-reading system.It had both maintained the high efficiency of wireless long-distance meter-reading, high reliability, real-time it is excellent Gesture.Simultaneously for the meter reading efficiency for needing manually-operated occasion near radio technology that workman will be greatly improved, and meter reading Accuracy, it is ensured that the personal safety of workman.In future, when signal of communication realizes regional all standing, short-distance wireless is hand-held The standby meter reading passage that equipment can still act as in the case of kilowatt meter recorder breaks down is used, and continues the tune in kilowatt meter recorder During examination and accident analysis facility is provided for attendant.
Brief description of the drawings
Fig. 1 is the structural representation of wireless telecommunications ammeter described in the embodiment of the utility model one.
Embodiment
Radio receiving transmitting module is very skillful in other field application, but existing electric power acquisition terminal does not have band low coverage also From radio transmission-receiving function.How by radio receiving transmitting module on the basis of electric power acquisition terminal original function is not influenceed, realize eventually Hold control and connection to module, how the two realizes the transmission of data and exchange and be prevent from surreptitiously how limiting electric hand holding and set Standby authority will realize key of the present utility model.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.According to following explanation and power Sharp claim, advantages and features of the present utility model will become apparent from.It should be noted that, accompanying drawing using very simplified form and Non- accurately ratio is used, only to convenient, lucidly aid illustration the utility model embodiment purpose.
The utility model provides a kind of wireless telecommunications ammeter, as shown in figure 1, including:
Electric power acquisition terminal 10, connects multiple intelligent electric meters 100, and the electric power acquisition terminal 10 is used to keep original collection Data, and possess the function of GPRS transmission data;And radio hand-held equipment 20, for being carried out with the electric power acquisition terminal 10 Wireless telecommunications are to realize radio meter register, and the radio hand-held equipment 20 could be whole to the electric power acquisition in the case where being authorized to End 10 is operated.
Optionally, the radio hand-held equipment includes limited communication interface(Such as USB), for by handheld device and extraneous phase Even, authorized by the work authority of specific software handheld device.
Optionally, radio hand-held equipment includes GPRS module interface, for realizing remote authorization.
Optionally, radio hand-held equipment is CC1100-232 data modules.CC1100 radio receiving transmitting modules use TI companies High-performance CC1101 wireless communication chips, the free ISM bands of 433MHz exempt from licensing and use, serial port, using letter Single to can be used without programming there is provided up to 256 channels, low-power consumption work, transmission range is up to more than 200 meters.With it is infrared Transparent transmission is compared, and CC1100 radio receiving transmitting modules sender communicates with recipient without point-to-point front, and transmission range is also longer. Extremely low power UHF wireless transceivers, 315/433/868/915MHz ISM/SRD band systems, in AMR- automatic meter readings, Electric consumers, Remote control, low-power telemetry, house and building are automatically controlled, and wireless alert and safety are System, industry monitoring and control, wireless sensor network, wireless awakening function, the field application such as low-power consumption handset products is Through very ripe.And verified through long-time, this is consistent reliable.
1. electric power acquisition terminal is connected with wireless module hardware
We will have gained some understanding to the functional characteristics and hardware characteristics of wireless module first.
(1) operating voltage:1.8V ~ 3.6V, recommends close to 3.6V, but be no more than 3.6V(Recommend 3.3V);
(2) 315,433,868,915MHz ISM and SRD frequency ranges;
(3) highest operating rate 500Kbps, supports 2-FSK, GFSK and MSK modulation system;
(4) can software modification baud rate parameter, preferably meet the use requirement of client at different conditions, high bit Rate:Faster message transmission rate;Low baud rate:Stronger anti-interference and penetration capacity, farther transmission range;
(5) high sensitivity(- 110dBm under 1.2kbps, 1% packet error rate);
(6) built in hardware CRC error detections and the control of point-to-multipoint delivery address;
(7) relatively low current drain(In RX, 15.6mA, 2.4kbps, 433MHz);
(8) power output of PLC technology, to all reachable+10dBm of support frequency;
(9) wireless awakening function, support low-power electromagnetic ripple activation function, and wireless awakening low-power sleep state is set It is standby;
(10) automatic cleaning channel access before transmission is supported(CCA), i.e. carrier sense system;
(11) fast frequency changes the suitable frequency hopping systems that synthesizer is brought;
(12) module can software set address, software programming is very convenient;
(13) standard DIP spacing interface, is easy to Embedded Application;
(14) single 64 byte RX and TX data FIFO;
(15) transmission range:Open ground transmission range is up to 300 meters(Depending on specific environment and communication baud rate setting situation Deng depending on);
(16) module size:29mm *16mm(Above-mentioned size is free of antenna).
Module pin explanation:
(1) VCC pin connect voltage range between 1.9V-3.6V, it is impossible to outside this interval, will be burnt more than 3.6V Ruin module.Recommend voltage 3.3V or so.
(2) power supply VCC and earth terminal are removed, remaining pin directly can be joined directly together with common 5V single-chip I/O mouths, Without level conversion.Certainly it is more applicable to 3V or so single-chip microcomputer.
(3) single-chip microcomputer for not having SPI above hardware can also control this module, and SPI is simulated with common single-chip I/O mouth The real serial ports intervention of single-chip microcomputer is not needed, it is only necessary to which common single-chip I/O mouth just can be with certain to use serial ports.
(4) 9 pin, 10 pin are grounding leg, it is necessary to logically be connected with motherboard
(5) row's pin spacing is 100mil, standard DIP contact pins, if necessary to other package interfaces, such as close pin contact pin, or The interface of person's other forms, can contact us customized.
(6) when being connected with P0 mouthfuls of 51 series monolithic, it is necessary to plus 10K pull-up resistor, be connected and be not required to remaining mouthful Will.
Other serial single-chip microcomputers, if 5V, the series monolithic I/O port output current size is refer to, if super 10mA is crossed, it is necessary to which series resistance partial pressure, otherwise easily burns module!, can directly and RF1100 modules if 3.3V I O port line is connected.
2. the data exchange of electric power acquisition terminal and wireless module
CC1100-232 digital transmission modules provide one of RS232,3 kinds of interface modes of RS485 and UART/TTL level, can be straight Connect and be connected and use with computer, the RS485 equipment of user, single-chip microcomputer or other UART devices.CC1100-232 modules are carried out Easy configuration(If can directly connect with RS232 serial ports;If module provides TTL or RS485 interfaces, need It is connected to corresponding converter), to change channel receives frequency, channel tranmitting frequency, channel baud rate, interface baud rate sum According to form.CC1100-232 is half-duplex work, and receiver-transmitter integrated module, i.e., each module can both be received, and can also sent out.Such as Fruit will send data, it is only necessary to which, the byte data by serial ports writing module, module receives the byte data just by wireless Send.If receiving wireless data, module is sent out the byte data from serial ports automatically.The data or character of one-time continuous hair String length is not larger than 30.
3. radio hand-held equipment mandate
To avoid carrying out electric power acquisition terminal meter reading using radio hand-held equipment, parameter setting, telegram in reply etc. was operated Cheng Zhong, occur stealing, altered data, privately the phenomenon such as telegram in reply be easy to the centralized management of handheld device.A award can specially be researched and developed Software is weighed, all radio hand-held equipments can be to specifying acquisition terminal to grasp only after licensed software assigns authority Make.To the authorization of radio hand-held equipment, handheld device and computer can be connected by other wire communication modes such as USB Connect, authorized by the work authority of specific software handheld device.GPRS can be also reserved in radio hand-held equipment simultaneously Module interface, realizes remote authorization.
4. radio hand-held equipment accident analysis function
When radio hand-held equipment can not obtain valid data from electric power acquisition terminal, or the two connection failure when Wait, radio hand-held equipment can analyze the data obtained from electric power acquisition terminal, or be done according to the running situation of field apparatus Go out corresponding fault diagnosis, and field maintenance person's fault message that may be present is informed by LCDs.
5. radio hand-held equipment reserved function interface
Radio hand-held equipment can reserve GPRS module interface.Consider electric power acquisition terminal fault time of origin not first Certainty, GPRS module can realize the remote authorization of wireless handheld terminal, it is to avoid field maintenance person when catastrophic failure occurs There is no the situation of operating right.The remote transmission of meter reading data can be realized by the GPRS module of handheld device simultaneously, So as to improve real-time and accuracy of the meter reading data in transmitting procedure, artificial typing is effectively prevented issuable each Plant unfavorable factor.
Wireless telecommunications ammeter of the present utility model is based on GPRS wireless long-distance meter-readings, the side supplemented by wireless short-distance meter reading Formula, solves outstanding problem in our province at this stage or even national long-distance meter-reading system.It had both maintained the efficient of wireless long-distance meter-reading Property, high reliability, the advantage of real-time.Work will be greatly improved simultaneously for manually-operated occasion near radio technology is needed The meter reading efficiency of people, and meter reading accuracy, it is ensured that the personal safety of workman.Future, when signal of communication realizes regional all standing When, the standby meter reading passage that short-distance wireless handheld device can still act as in the case of kilowatt meter recorder breaks down makes With, and continue to provide facility during the debugging and accident analysis of kilowatt meter recorder for attendant.
Acquisition terminal with close range wireless communication function coordinates the application of wireless handheld kilowatt meter recorder, greatly mitigates and copies The labor intensity of table personnel, improves the ageing of electricity charge statistical work;Workman's telegram in reply is improved, the efficiency of failure is analyzed in debugging, It ensure that the personal safety of field maintenance person.Complaint during client is effectively reduced for taking control system use, strengthens base Layer staff is to taking the confidence of control system, so as to further promote the special change client of our province to take control business faster, more surely, more preferably Development, " complete collection, all standing, control in full " requirement that state's net is proposed is realized early.
Acquisition terminal with close range wireless communication function coordinates promoting the use of for wireless handheld kilowatt meter recorder, has filled up mesh Preceding our province takes one piece of blank of control business, and perfect our province is existing takes control system.It will directly improve basic unit attendant's Operating efficiency, save company manpower expenditure.Simultaneously also can further be lifted expense control system user's physical examination, obtain client for Take the trust of control system, lift corporate image, promotion takes the faster and better popularization of control system.
Obviously, those skilled in the art can be new without departing from this practicality to the various changes of utility model progress and modification The spirit and scope of type.So, if these modifications and variations of the present utility model belong to the utility model claim and its Within the scope of equivalent technologies, then the utility model is also intended to including these changes and modification.

Claims (3)

1. a kind of wireless telecommunications ammeter, it is characterised in that including:
Electric power acquisition terminal, connects multiple intelligent electric meters, the electric power acquisition terminal is used to keep original gathered data, and possesses The function of GPRS transmission data;And radio hand-held equipment, for being communicated wirelessly with the electric power acquisition terminal to realize Radio meter register, the radio hand-held equipment could be operated in the case where being authorized to the electric power acquisition terminal;It is described Radio hand-held equipment includes limited communication interface, for handheld device to be connected with the external world, passes through specific software handheld device Work authority authorized;
The radio hand-held equipment has GPRS module interface, to realize the long-range biography of meter reading data by the GPRS module It is defeated.
2. wireless telecommunications ammeter as claimed in claim 1, it is characterised in that the radio hand-held equipment is CC1100-232 numbers According to module.
3. wireless telecommunications ammeter as claimed in claim 1, it is characterised in that electric power acquisition terminal connects multiple by RS485 Intelligent electric meter.
CN201621425243.0U 2016-12-23 2016-12-23 Wireless telecommunications ammeter Expired - Fee Related CN206584515U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621425243.0U CN206584515U (en) 2016-12-23 2016-12-23 Wireless telecommunications ammeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621425243.0U CN206584515U (en) 2016-12-23 2016-12-23 Wireless telecommunications ammeter

Publications (1)

Publication Number Publication Date
CN206584515U true CN206584515U (en) 2017-10-24

Family

ID=60109115

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621425243.0U Expired - Fee Related CN206584515U (en) 2016-12-23 2016-12-23 Wireless telecommunications ammeter

Country Status (1)

Country Link
CN (1) CN206584515U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111475433A (en) * 2020-03-30 2020-07-31 宁波三星医疗电气股份有限公司 Serial port using method and device, power terminal and storage medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111475433A (en) * 2020-03-30 2020-07-31 宁波三星医疗电气股份有限公司 Serial port using method and device, power terminal and storage medium

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GR01 Patent grant
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: 20171024

Termination date: 20181223