CN208297712U - A kind of electric control system monitoring electricity - Google Patents
A kind of electric control system monitoring electricity Download PDFInfo
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- CN208297712U CN208297712U CN201820638582.XU CN201820638582U CN208297712U CN 208297712 U CN208297712 U CN 208297712U CN 201820638582 U CN201820638582 U CN 201820638582U CN 208297712 U CN208297712 U CN 208297712U
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- electricity
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Abstract
The utility model provides a kind of electric control system for monitoring electricity, including a cabinet, it include: electric current input unit, voltage input unit, communication unit and central processing unit in cabinet, wherein standard metering module, electric current input unit, voltage input unit and communication unit, all it is connected with central processing unit, electric current input unit and voltage input unit are all connected with each electricity device detected is needed.The utility model solves that current manual's periodic calibration heavy workload, far away, working strength is high low with the efficiency of management, and artificial cycle calibrating cause cannot timely handling failure, and the operations such as repeatedly the connecting terminal on measuring screen is unclamped and screwed causes connecting terminal to loosen or the problem of phenomena such as stripped thread.
Description
Technical field
The utility model relates generally to a kind of electric control system for monitoring electricity.
Background technique
The calibrating record of electric energy metering device is the basis that operation of power networks technical-economic index is calculated, and even more trade both sides tie
Calculate the legal foundation of the electricity charge.Currently, the management method of electric energy metering device is mainly that operator periodically carries instrument terminal and arrives
Scene carries out periodic inspection；Detection cycle, such as: gate energy meter annual 4 times, PT secondary voltage drop every 2 years 1 time, electromagnetic potential
Mutual inductor and current transformer are every 5 or 10 years 1 time.Lead to that artificial cycle calibration operation amount is big, working strength is high in this way, simultaneously
It is related to that far away, labor management process is lengthy and tedious, the efficiency of management is low in province vast in territory；And the artificial cycle re-testing periods
The long and troubleshooting period is long, and failure, stealing or the overproof problem occurred for electric energy metering device between cycle detection cannot
Discovery in time, processing, when metering device breaks down within some re-testing periods, it may be necessary to just until examining and determine next time
It can find failure；And artificial cycle is examined and determine, and needs to need checklist every time when carrying out live accuracy test to electric energy meter
Current loop connect with standard scale, the voltage circuit of checklist it is in parallel with standard scale, thus will be to the wiring on measuring screen
Terminal such as is unclamped and is screwed at the operation, repeatedly after often there is connecting terminal to loosen or phenomena such as stripped thread, there are biggish failures
Hidden danger.
Therefore, need to provide a kind of technical solution of electric control system for monitoring electricity currently to solve the above problems.
Utility model content
The utility model provides a kind of electric control system for monitoring electricity, to solve current manual's periodic calibration work
Measure that big, far away, working strength is high low with the efficiency of management and artificial cycle calibrating cause cannot timely handling failure, and
The operations such as repeatedly the connecting terminal on measuring screen is unclamped and screwed causes connecting terminal to loosen or asking phenomena such as stripped thread
Topic.
To solve the above-mentioned problems, the utility model provides a kind of electric control system for monitoring electricity, including a machine
Cabinet, includes: electric current input unit, voltage input unit, communication unit and central processing unit in cabinet, wherein standard metering mould
Block, electric current input unit, voltage input unit and communication unit, are all connected with central processing unit, electric current input unit and electricity
Pressure input unit is all connected with each electricity device detected is needed.
Further, above-mentioned electric control system may also include that further include storage unit and display unit in the cabinet,
Wherein storage unit and display unit are all connected with the central processing unit.
Further, above-mentioned electric control system may also include that further include standard metering module and pulse in the cabinet
Acquisition unit, each electricity device that one end connection of pulse collection unit needs to detect, the other end connection of pulse collection unit
Standard metering module, standard metering module are connected with the central processing unit.
Further, above-mentioned electric control system may also include that further include channel switch unit in the cabinet, wherein electricity
Stream input unit, voltage input unit and pulse collection unit are all by channel switch unit, with each electricity for needing to detect
Device is attached.
Further, above-mentioned electric control system may also include that the communication unit for support RS232 agreement, GSM,
The communication unit of the communication mode of GPRS, CDMA, PSTN or INTERNET.
Further, above-mentioned electric control system may also include that in the cabinet to further include an autonomous working power supply unit,
The voltage of autonomous working power supply unit is exchange 150 to 240V.
Through the above scheme, using the utility model, it may be implemented comprehensively to monitor electricity device, efficiently solve people
The re-testing periods and troubleshooting period of work scene periodic calibration are long, between cycle detection electric energy metering device occur failure or
The problems such as overproof problem cannot find in time, handle, and periodic calibration heavy workload, task are heavy, far away does not need repeatedly
Release and screwing operations are carried out to the connecting terminal on measuring screen；The utility model can be used as a set of independent perfect management system
System realizes the automatic management of electricity device management.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the electric control system of the monitoring electricity of the utility model.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.
Below in conjunction with attached drawing, the technical scheme provided by various embodiments of the present application will be described in detail.
A kind of all functional units of the electric control system of monitoring electricity of the utility model concentrate on a cabinet
In；By laying various signal cables, the various signals in monitored circuit are introduced into each functional unit of system and are acquired
As shown in Figure 1, a kind of electric control system of monitoring electricity of the utility model, including a cabinet 10, cabinet 10
It inside include: electric current input unit 101, voltage input unit 102, communication unit 103 and central processing unit 104, wherein electric current is defeated
Enter unit 101, voltage input unit 102 and communication unit 103, is all connected with central processing unit 104, electric current input unit
101 and voltage input unit 102 be all connected with each electricity device N for detecting is needed.
It further include storage unit 105 and display unit 106 in the cabinet 10, wherein storage unit 105 and display unit
106, all it is connected with the central processing unit 104.Above-mentioned setting facilitates the non-at-scene of the storage and operator for recording information
Observation.
It further include standard metering module 107 and pulse collection unit 108 in the cabinet, the one of pulse collection unit 107
The other end of each electricity device N that end connection needs to detect, pulse collection unit 107 connect standard metering module 108, standard meter
Amount module 108 is connected with the central processing unit 104.(system uses built-in high accuracy standard scale (i.e. standard metering module
108) pulse of monitored electric energy meter, is introduced into pulse collection unit 107, after signal shaping and pretreatment, is tested ammeter
Pulse is compared with the standard electrical energy pulse of standard metering module 108, calculates, and obtains the error of electric energy meter.)
The communication unit is the communication mode for supporting RS232 agreement, GSM, GPRS, CDMA, PSTN or INTERNET
Communication unit.(data transfer mode of system uses Modbus rtu protocol, passes through point-to-point sending mode.Communication interface is adopted
With RS232 interface, it can realize that RS232 is docked with other communication networks using conversion equipment.Entire communication system can be according to reality
Situation appropriate adjustment communication scheme.Both the local serial communication of RS232 agreement can be used, can also using GSM, GPRS, CDMA,
The telecommunications mode such as PSTN, INTERNET.) above-mentioned setting can make the communication of system more adaptable, it can apply a variety of
The transmission of transmission mode progress information.
It further include a channel switch unit 109 in the cabinet 10, wherein electric current input unit 101, voltage input unit
102 and pulse collection unit 108 be all to be attached by channel switch unit 109 with each electricity device N for detecting is needed.
Channel switch unit 109 is conveniently to one group of electricity device loop test under the unity of command of control centre.Wherein, with a playscript with stage directions
Electric control system realizes the electricity device real-time monitoring to a plurality of circuit in the same substation, multiloop handoff technique
Using particularly critical.Accurate, reliable selection switching, system function first only are carried out to the various signals of monitored electricity device
It could can accurately, safely be achieved.
Voltage signal and pulse signal realize switching by the way of multicircuit relay selection switching；Each relay is carried out
It accurately controls, control is with " first disconnect, select afterwards " for principle, it is ensured that the safe operation of each circuit operation.Current signal is adopted
Collection, switching are completed by following three steps: the first step, and loop current is carried out " current-voltage " by switch unit 109
Conversion, is converted into voltage signal；And walk, by the voltage signal in switch unit 109, carry out selection switching；Third step is cut
Signal after changing is acquired processing by electric current input unit 101.Realize switching input, conversion and the acquisition to current signal
Processing.Further include an autonomous working power supply unit 110 in the cabinet, the voltage of autonomous working power supply unit be exchange 150 to
240V (wherein autonomous working power supply unit needs are introduced separately into, and are independent current source), ensures the safety of system in this way, not will receive
The failure of monitored power grid influences.
Herein, only emphasis describes the difference with other preferred embodiments, each preferred embodiment to each preferred embodiment
As long as not conflicting, can any combination, embodiment is formed by after combination also within scope disclosed in this specification, is examined
It is succinct to consider text, is individually described with regard to being no longer formed by embodiment to combination herein.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (4)
1. a kind of electric control system for monitoring electricity, which is characterized in that include: that electric current input is single including a cabinet, in cabinet
Member, voltage input unit, communication unit and central processing unit, wherein standard metering module, electric current input unit, voltage input list
Member and communication unit, are all connected with central processing unit, electric current input unit and voltage input unit all with need to detect it is each
Electricity device is connected；It further, further include standard metering module and pulse collection unit, pulse collection list in the cabinet
Each electricity device that one end connection of member needs to detect, the other end of pulse collection unit connect standard metering module, standard meter
Amount module is connected with the central processing unit；It further include channel switch unit in the cabinet, wherein electric current input unit, electricity
Pressure input unit and pulse collection unit are all to be attached by channel switch unit with each electricity device detected is needed.
2. electric control system according to claim 1, which is characterized in that further include storage unit in the cabinet and aobvious
Show unit, wherein storage unit and display unit, is all connected with the central processing unit.
3. electric control system according to claim 1, which is characterized in that the communication unit be support RS232 agreement,
The communication unit of the communication mode of GSM, GPRS, CDMA, PSTN or INTERNET.
4. electric control system according to claim 1, which is characterized in that further include autonomous working electricity in the cabinet
Source unit, the voltage of autonomous working power supply unit are exchange 150 to 240V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820638582.XU CN208297712U (en) | 2018-04-28 | 2018-04-28 | A kind of electric control system monitoring electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820638582.XU CN208297712U (en) | 2018-04-28 | 2018-04-28 | A kind of electric control system monitoring electricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208297712U true CN208297712U (en) | 2018-12-28 |
Family
ID=64703226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820638582.XU Active CN208297712U (en) | 2018-04-28 | 2018-04-28 | A kind of electric control system monitoring electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208297712U (en) |
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2018
- 2018-04-28 CN CN201820638582.XU patent/CN208297712U/en active Active
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