CN203119624U - Measurement and control integrated low-voltage power distribution cabinet - Google Patents
Measurement and control integrated low-voltage power distribution cabinet Download PDFInfo
- Publication number
- CN203119624U CN203119624U CN2013200605999U CN201320060599U CN203119624U CN 203119624 U CN203119624 U CN 203119624U CN 2013200605999 U CN2013200605999 U CN 2013200605999U CN 201320060599 U CN201320060599 U CN 201320060599U CN 203119624 U CN203119624 U CN 203119624U
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- China
- Prior art keywords
- microcontroller
- voltage
- low
- unit
- distribution cabinet
- 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 - Lifetime
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
Abstract
The utility model provides a measurement and control integrated low-voltage power distribution cabinet, which comprises a current transformer, a voltage transformer, a breaker and a low voltage measuring apparatus. The low voltage measuring apparatus comprises a microcontroller and units respectively connecting with the microcontroller via corresponding ports. An external communication interface unit is responsible for data/command uploading and downloading between the microcontroller and remote monitoring terminals; three-phase voltage connected to the low-voltage power distribution cabinet passes through the voltage transformer, is sampled by a voltage collecting unit, and then input to the microcontroller, three-phase current connected to the low-voltage power distribution cabinet passes through the current transformer, is sampled by a current collecting unit, and then input to the microcontroller, and position information of the low-voltage power distribution cabinet is collected by a state quantity input unit and input to the microcontroller; a data output end of the microcontroller is connected to an information display unit and the external communication interface unit via a data processing unit; and a control signal output end of the microcontroller is connected with control terminals of the breaker via a remote control output unit.
Description
Technical field
The utility model relates to a kind of low-voltage distribution cabinet that possesses real time monitoring function.
Background technology
In recent years, along with the develop rapidly of Chinese society, various electrical equipment are also come in the middle of people's the life one after another.Various electrical equipment are not quite similar to the requirement of the quality of power supply, and the electric leakage accident that causes owing to the problems such as insulation of various electrical appliances often takes place.In order to ensure people's Electrical Safety conscientiously, prevent the generation of electric leakage accident, seem more and more important at monitoring in the low-voltage distribution system, alarm, protective device.What power supply quality required improves constantly, and also needs existing low-voltage distribution cabinet is improved, to satisfy the requirement that electric power system realizes the unattended operation realization Automation of Electric Systems of operation, control and integrated management and distribution system.
The utility model content
The utility model provides a kind of comprehensive control low-voltage distribution cabinet, thereby monitors various electric parameters in the distribution system in real time, possesses single-phase or the three-phase electric energy metering function, and multinomial abnormality alarming function.
Solution of the present utility model is as follows.
A kind of comprehensive control low-voltage distribution cabinet, it is characterized in that: comprise current transformer, voltage transformer, circuit breaker and low voltage monitoring device, wherein, described low voltage monitoring device comprises microcontroller and the voltage acquisition unit that is connected respectively by corresponding port and described microcontroller, current acquisition unit, data processing unit, information display unit, quantity of state input unit, remote control output unit and external communication interface unit; Wherein, the external communication interface unit comprises RS485 communication interface and GPRS wireless communication module, and data, instruction uploads and downloads between responsible microcontroller and the remote monitoring end;
The three-phase voltage, electric current that inserts low-voltage distribution cabinet respectively through voltage transformer, current transformer by voltage acquisition unit, current acquisition unit sampling, the input microcontroller, the opening and closing state of low-voltage distribution cabinet, position of the switch information input to microcontroller by the collection of quantity of state input unit; The data output end of microcontroller is connected to information display unit and external communication interface unit by data processing unit; The control signal output of microcontroller is connected to the control terminal of circuit breaker by the remote control output unit.
Based on above-mentioned basic scheme, the utility model also can be done following optimization and limit:
This comprehensive control low-voltage distribution cabinet also comprises warning device, and the control input end of warning device is connected to microcontroller.
Above-mentioned warning device comprises onsite alarming device and/or telecommunication warning device.
Above-mentioned onsite alarming device is acoustic-optic alarm; The telecommunication warning device is the remote short messages alarm module.
The utlity model has following technique effect:
But various electric parameters in the remote real time monitoring distribution system, possess single-phase or the three-phase electric energy metering function, and multinomial abnormality alarming function, possess the local parameter maintenance function simultaneously and possess remote communicating function, this module has improved information processing capability and the operational reliability of control system, saved hardware and the wiring expense of system, made things convenient for the user to the configuration of system, administer and maintain.
Use based on the GPRS module, the operational factor of distribution system can be uploaded on the smart mobile phone monitoring software by mobile radio system, real realization unattended target, also can make things convenient for upgrade in time kernel program with the module of upgrading of user, reduced the maintenance cost of user to module.
Description of drawings
Fig. 1 is fundamental block diagram of the present utility model.
Fig. 2 is the structure principle chart of low pressure checkout gear of the present utility model.
Fig. 3 realizes the schematic diagram of remote monitoring for using the utility model.
Embodiment
As shown in Figure 1, the utility model provides a kind of comprehensive control low-voltage distribution cabinet, comprises current transformer, voltage transformer, circuit breaker and low voltage monitoring device.Wherein, the low voltage monitoring device as shown in Figure 2, the AC sampling unit is sent to data processing unit by after the AD sampling with sampled data, shows desired data by liquid crystal display again after data processing unit is finished dealing with; The remote control output unit passes through the control terminals such as circuit breaker from the signal controlling outside of RS485 unit; The quantity of state input unit inputs to microprocessor by the collection of external signal with quantity of state, and monitors accordingly and analyze; Wireless communication unit is managed distribution system more easily through sending on the monitoring software of smart mobile phone by the wireless network that generally the uses operational factor with low-voltage distribution after the microprocessor processes.Also can make the user can better grasp the low-voltage distribution system operational factor by in time upgrade user's program of wireless network.
During use, the user at first is connected to power supply the power port of low-voltage distribution cabinet, with three-phase voltage and electric current respectively at being connected with the collection terminal of low voltage monitoring device; The circuit breaker respective terminal is connected with the remote control output unit; Quantity of state such as divide-shut brake, the position of the switch is connected with the quantity of state input unit; The RS485 communication interface is connected corresponding terminal respectively with the GPRS wireless communication interface, thereby makes on the data upload upper computer software or gerentocratic smart mobile phone software afield.
In addition, warning device can also be set, such as the acoustic-optic alarm at scene, and the remote short messages alarm module of long-range transmission warning message.
Claims (4)
1. comprehensive control low-voltage distribution cabinet, it is characterized in that: comprise current transformer, voltage transformer, circuit breaker and low voltage monitoring device, wherein, described low voltage monitoring device comprises microcontroller and the voltage acquisition unit that is connected respectively by corresponding port and described microcontroller, current acquisition unit, data processing unit, information display unit, quantity of state input unit, remote control output unit and external communication interface unit; Wherein, the external communication interface unit comprises RS485 communication interface and GPRS wireless communication module, and data, instruction uploads and downloads between responsible microcontroller and the remote monitoring end;
The three-phase voltage, electric current that inserts low-voltage distribution cabinet respectively through voltage transformer, current transformer by voltage acquisition unit, current acquisition unit sampling, the input microcontroller, the opening and closing state of low-voltage distribution cabinet, position of the switch information input to microcontroller by the collection of quantity of state input unit; The data output end of microcontroller is connected to information display unit and external communication interface unit by data processing unit; The control signal output of microcontroller is connected to the control terminal of circuit breaker by the remote control output unit.
2. comprehensive control low-voltage distribution cabinet according to claim 1, it is characterized in that: this comprehensive control low-voltage distribution cabinet also comprises warning device, and the control input end of warning device is connected to microcontroller.
3. comprehensive control low-voltage distribution cabinet according to claim 2, it is characterized in that: described warning device comprises onsite alarming device and/or telecommunication warning device.
4. comprehensive control low-voltage distribution cabinet according to claim 3, it is characterized in that: described onsite alarming device is acoustic-optic alarm; The telecommunication warning device is the remote short messages alarm module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200605999U CN203119624U (en) | 2013-02-01 | 2013-02-01 | Measurement and control integrated low-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200605999U CN203119624U (en) | 2013-02-01 | 2013-02-01 | Measurement and control integrated low-voltage power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203119624U true CN203119624U (en) | 2013-08-07 |
Family
ID=48899940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200605999U Expired - Lifetime CN203119624U (en) | 2013-02-01 | 2013-02-01 | Measurement and control integrated low-voltage power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203119624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429303A (en) * | 2015-12-30 | 2016-03-23 | 国网浙江余姚市供电公司 | Power distribution measurement and control terminal |
-
2013
- 2013-02-01 CN CN2013200605999U patent/CN203119624U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429303A (en) * | 2015-12-30 | 2016-03-23 | 国网浙江余姚市供电公司 | Power distribution measurement and control terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |