CN202025048U - Electricity parameter acquisition circuit based on message communication function - Google Patents
Electricity parameter acquisition circuit based on message communication function Download PDFInfo
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- CN202025048U CN202025048U CN201120042995XU CN201120042995U CN202025048U CN 202025048 U CN202025048 U CN 202025048U CN 201120042995X U CN201120042995X U CN 201120042995XU CN 201120042995 U CN201120042995 U CN 201120042995U CN 202025048 U CN202025048 U CN 202025048U
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Abstract
The utility model relates to the field of electronic circuits, in particular to an electricity parameter acquisition circuit. The electricity parameter acquisition circuit based on a message communication function comprises a main control module, a voltage detection module, a current detection module, a GSM (Global System for Mobile Communication) module, a memory module and a power supply changeover module, wherein the input port of the main control module is connected with the voltage detection module and the current detection module, and the input-output port of the main control module is connected with the GSM module and the memory module; the input end of the voltage detection module is connected to a power grid cable, and the output end of the voltage detection module is connected to the main control module; the input end of the current detection module is connected to the power grid cable, the output end of the current detection module is connected to the main control module; an antenna is arranged on the GSM module, and the input-output end of the GSM module is connected to the main control module; the input-output end of the memory module is connected to the main control module; and the input end of the power supply changeover module is connected to the power grid cable, and the output end of the power supply changeover module is connected to the main control module, the GSM module and the memory module. Due to the adoption of the technical scheme, real-timely acquired electricity parameter messages can be transmitted to multiple parties such as a power grid party, a user side and the like through the message function of the GSM network.
Description
Technical field
The utility model relates to electronic circuit field, more relates to the electric parameter Acquisition Circuit.
Background technology
The switchgear buildings at different levels of electrical network need be installed the electric parameter Acquisition Circuit to obtain the electric parameter at this place on electric wire.Network operation personnel desire obtains corresponding electric parameter, need arrive switchgear buildings at different levels or table and copy each numerical value on the power taking parameter Acquisition Circuit instrument on the case, not only work efficiency is low, and only limits to electrical network side and obtain, the user side exercises supervision nothing but, has certain unjustness.Disclose for a kind of electric network data integrated collection method of " CN101334439 " and device as the Chinese patent publication number: a kind of have electric parameter three-state data: steady state data, fault recorder data, dynamic data integrated collection method and device, it by high precision to the time and Synchronous Sampling Pulse module, AC signal conditioning module, A/D sampling module, direct current signal conditioning module, voltage-frequency modular converter, switching value signal condition module, signal processing module, record mode piece and express network communication module etc. form.Superiority of the present invention: use high precision to the time module, high performance signal Processing and mechanics of communication, realize the ternary synchronous data sampling of electric parameter, finish functions such as monitoring, failure wave-recording, phase angle measurement, power quality analysis.Also still there is the defective that needs just can obtain to the scene electric parameter in it.
The utility model content
In view of this, the utility model proposes a kind of can far-end and obtain the Acquisition Circuit of electric parameter in many ways, the utility model is based on the electric parameter Acquisition Circuit of short message communication function.
The technical solution adopted in the utility model is as follows:
A kind of electric parameter Acquisition Circuit based on the short message communication function comprises:
One main control module, input port connect a voltage detection module and a current detection module, and input/output port connects a gsm module and a memory module;
One voltage detection module, input end are connected to the electrical network cable, and output terminal is connected to above-mentioned main control module;
One current detection module, input end are connected to the electrical network cable, and output terminal is connected to above-mentioned main control module;
One gsm module which is provided with antenna, and input and output are terminated at above-mentioned main control module;
One memory module, input and output are terminated at above-mentioned main control module;
One power transfer module, input end are connected to the electrical network cable, and output terminal is connected to above-mentioned main control module, gsm module and memory module.
Further, described voltage detection module is the voltage collection circuit unit that voltage transformer (VT) connects divider resistance and dividing potential drop electric capacity composition.
Further, described current detection module is the current acquisition circuit unit that the secondary mutual inductor connects divider resistance and dividing potential drop electric capacity composition.
Above-mentioned voltage detection module and current detection module are isolated collection by mutual inductor, can avoid the interference of electrical network to the utility model circuit.
Further, described gsm module is the gsm module of TC35I.
The utility model adopts as above technical scheme, can transmit the electric parameter information of gathering in real time in many ways to electrical network side and user side etc. by the SMS of GSM network, not only save check meter time, the success ratio of checking meter height, directly perceived, convenient for installation and maintenance greatly, and have more publicity.In addition, circuit of the present utility model can also be provided with parameter keep, and successively the canonical reference gathered as electric parameter of parameter use.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model.
Fig. 2 is the physical circuit schematic diagram of voltage detection module.
Fig. 3 is the physical circuit schematic diagram of current detection module.
Embodiment
Now with embodiment the utility model is further specified in conjunction with the accompanying drawings.
Consult shown in Figure 1ly, the electric parameter Acquisition Circuit based on the short message communication function of present embodiment comprises:
One main control module 1, input port connect a voltage detection module 2 and a current detection module 3, and input/output port connects a gsm module 4 and a memory module 5; Main control module 1 passes through voltage, the current signal of reception voltage detection module 2 and current detection module 3 inputs, calculates corresponding electric parameter signal, and stores and pass through the SMS transmission of gsm module 4 by memory module 5.
One voltage detection module 2, input end is connected to the electrical network cable, and output terminal is connected to above-mentioned main control module 1.
One current detection module 3, input end is connected to the electrical network cable, and output terminal is connected to above-mentioned main control module 1.
One gsm module 4, which is provided with antenna, input and output are terminated at above-mentioned main control module 1, are used for sending electric parameter information to electrical network side and user side by note, and the transtation mission circuit failure alarm signal can also receive short message enquiry and the parameter note is set to maintenance side.
One memory module 5, input and output are terminated at above-mentioned main control module 1, are used to store the electric parameter that parameter and collection respectively are set.
One power transfer module 6, input end is connected to the electrical network cable, output terminal is connected to above-mentioned main control module 1, gsm module 4 and memory module 5, converts the alternating current of electrical network to suitable stable low-voltage DC, supplies with above-mentioned main control module 1, gsm module 4 and memory module 5 work and uses.
Consult shown in Figure 2ly, described voltage detection module 2 is that voltage transformer (VT) connects the voltage collection circuit unit that divider resistance and dividing potential drop electric capacity are formed.
Consult shown in Figure 3ly, described current detection module 3 is that the secondary mutual inductor connects the current acquisition circuit unit that divider resistance and dividing potential drop electric capacity are formed.
Above-mentioned voltage detection module 2 and current detection module 3 are isolated collection by mutual inductor, can avoid the interference of electrical network to the utility model circuit, prevent to disturb main control module 1, take place to avoid fault.
The input electrical signal of main control module 1 of the present utility model by voltage detection module 2 and current detection module 3 detects electric parameter information such as the active voltage that exchanges three phase network, reactive voltage, active current, reactive current, active power, reactive power, power factor (PF), active energy, reactive energy.Main control module 1 is preferred by gsm module 4(, can adopt the TC35I gsm module) the realization radio communication, the user can inquire about and be provided with electric parameter acquisition module parameter by note, ought occur the abnormal failure main control module simultaneously and by the GSM note warning message classification is dealt into appointment reception person's mobile phone (can be in many ways).Circuit of the present utility model also can be provided with warning function and enable or forbid and be provided with the electric parameter corrected parameter.When receiving electric parameter corrected parameter (voltage correction, electric current correction, active power correction, the reactive power correction) note that the user is provided with, gsm module 4 will notify main control module 1, main control module 1 is provided with according to the user and this parameter can be remained in memory module 5, and the parameter standard of gathering as electric parameter successively.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but the those skilled in the art should be understood that; in the spirit and scope of the present utility model that do not break away from appended claims and limited; can make various variations to the utility model in the form and details, be protection domain of the present utility model.
Claims (4)
1. the electric parameter Acquisition Circuit based on the short message communication function is characterized in that, comprising:
One main control module (1), input port connect a voltage detection module (2) and a current detection module (3), and input/output port connects a gsm module (4) and a memory module (5);
One voltage detection module (2), input end is connected to the electrical network cable, and output terminal is connected to above-mentioned main control module (1);
One current detection module (3), input end is connected to the electrical network cable, and output terminal is connected to above-mentioned main control module (1);
One gsm module (4) which is provided with antenna, and input and output are terminated at above-mentioned main control module (1);
One memory module (5), input and output are terminated at above-mentioned main control module (1);
One power transfer module (6), input end is connected to the electrical network cable, and output terminal is connected to above-mentioned main control module (1), gsm module (4) and memory module (5).
2. the electric parameter Acquisition Circuit based on the short message communication function according to claim 1 is characterized in that: described voltage detection module (2) is the voltage collection circuit unit that voltage transformer (VT) connects divider resistance and dividing potential drop electric capacity composition.
3. the electric parameter Acquisition Circuit based on the short message communication function according to claim 1 is characterized in that: described current detection module (3) is the current acquisition circuit unit that the secondary mutual inductor connects divider resistance and dividing potential drop electric capacity composition.
4. the electric parameter Acquisition Circuit based on the short message communication function according to claim 1 is characterized in that: described gsm module (4) is the gsm module of TC35I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120042995XU CN202025048U (en) | 2011-02-21 | 2011-02-21 | Electricity parameter acquisition circuit based on message communication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120042995XU CN202025048U (en) | 2011-02-21 | 2011-02-21 | Electricity parameter acquisition circuit based on message communication function |
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| Publication Number | Publication Date |
|---|---|
| CN202025048U true CN202025048U (en) | 2011-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120042995XU Expired - Fee Related CN202025048U (en) | 2011-02-21 | 2011-02-21 | Electricity parameter acquisition circuit based on message communication function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677977A (en) * | 2017-11-18 | 2018-02-09 | 广西电网有限责任公司电力科学研究院 | A kind of long-distance monitoring method of portable electric energy mass-synchrometer |
-
2011
- 2011-02-21 CN CN201120042995XU patent/CN202025048U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677977A (en) * | 2017-11-18 | 2018-02-09 | 广西电网有限责任公司电力科学研究院 | A kind of long-distance monitoring method of portable electric energy mass-synchrometer |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20140221 |