CN102005822A - Device capable of performing single-point monitoring on low-voltage electric equipment - Google Patents
Device capable of performing single-point monitoring on low-voltage electric equipment Download PDFInfo
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- CN102005822A CN102005822A CN2010105771888A CN201010577188A CN102005822A CN 102005822 A CN102005822 A CN 102005822A CN 2010105771888 A CN2010105771888 A CN 2010105771888A CN 201010577188 A CN201010577188 A CN 201010577188A CN 102005822 A CN102005822 A CN 102005822A
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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
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Abstract
The invention discloses a device capable of performing single-point monitoring on lower-voltage electric equipment. A hardware module which has a small volume and the functions of data acquisition, on-off control and power line carrier communication, and is connected between a power line and the low-voltage electric equipment in series when using is designed. The design of hardware comprises 6 parts, namely a system on chip (SOC), a power supply, a programmable logic controller (PLC) analog front end, electric energy acquisition, relay control unit and an RS232 communication interface. The design of software comprises 3 parts, namely an application layer, an interface layer and a drive layer. The device can acquire field data of the low-voltage electric equipment, perform on-off control according to a set strategy, and also realize centralized monitoring by networking with an upper computer which supports the power line carrier communication. The device has low power consumption, low cost and small volume, and is simple and convenient to install, simple to network and suitable for large-scale application.
Description
Affiliated technical field
The present invention relates to a kind of device that can carry out the single-point monitoring, belong to the intelligent grid direction of Internet of Things application low voltage equipment.
Background technology
In productive life, various low voltage equipments are carried out centralized monitor and have great realistic meaning, handling failure immediately, energy savings reduces maintenance cost, promotes system reliability.
The method that has existed the mode of a kind of employing " single-chip microcomputer+GPRS " that low voltage equipment is monitored is at present promptly gathered the work state information of power consumption equipment by single-chip microcomputer and testing circuit, realize communication with long-range host computer by GPRS again.The shortcoming of this way is that the monitoring module power consumption is bigger, and is not energy-conservation.
The method that also exists the mode of a kind of employing " single-chip microcomputer+ZigBee " that low voltage equipment is monitored is at present promptly gathered the work state information of power consumption equipment by single-chip microcomputer and testing circuit, realize communication with long-range host computer by ZigBee again.This method has overcome the shortcoming of the high power consumption of mode of " single-chip microcomputer+GPRS ", but because ZigBee is a kind of closely among a small circle wireless networking communication technology, is not suitable for carrying out communication with distance host computer far away.
The designed product that goes out of above-mentioned two kinds of methods all exists cost higher, and small product size is not easy to the shortcoming of installing more greatly, can only be applied to specific occasions, satisfies special needs.
Summary of the invention
In order to satisfy the needs that in the productive life low voltage equipment carried out comparatively economic centralized monitor, the present invention proposes a kind of employing " single-chip microcomputer+electric energy metrical+relay+electric line carrier communication " mode is carried out the single-point monitoring to low voltage equipment device.
For reaching above purpose, the technical solution adopted in the present invention is: design the small and exquisite hardware module of a kind of volume, have data acquisition, break-make control and electric line carrier communication function concurrently, be serially connected in during use between power line and the low voltage equipment.
The invention has the beneficial effects as follows that this device has realized low voltage equipment is carried out the function of single-point monitoring, low in energy consumption, with low cost, volume is small and exquisite, simple installation, networking are simple, is fit to large-scale application.
Description of drawings
Fig. 1 is the hardware system schematic diagram of device described in the invention.
Fig. 2 is the software systems schematic diagram of device described in the invention.
Embodiment
In Fig. 1, hardware designs of the present invention is divided 6 parts: SOC chip, power supply, PLC AFE (analog front end), electric energy acquisition, relay control unit, RS232 communication interface.The SOC chip:: integrated 51 single-chip microcomputer kernels, 2 serial communication interfaces, 3 timers, PLC communication controller, electric energy metrical unit and IO mouths.Power supply: power taking from the power line, power to terminal.PLC AFE (analog front end): comprise that power carrier signal receives and sending module.Receiver module is responsible for the receiving terminal that from the power line the power carrier signal of demodulation characteristic frequency (120KHz) is given the plc communication controller.Sending module amplifies the signal of plc communication controller receiving terminal and is loaded on the power line.Electric energy acquisition: comprise voltage acquisition and current acquisition.Voltage acquisition is the dividing potential drop collection, and current acquisition is that electric current changes voltage acquisition.Relay control unit: the IO mouth in SOC is by drive circuit control relay switch.RS232 communication interface: finish the bi-directional conversion of Transistor-Transistor Logic level and EIA level, realize RS232 communication with module-external.According to the hardware module that such design is produced, volume is small and exquisite, can be installed in the magazine of wall switch socket.
In Fig. 2, software design of the present invention is divided 3 parts: application layer, interface layer and Drive Layer.Application layer comprises communication processing module, tactful processing module and networking service module.The instant processing command that the resume module upper strata issues is handled in communication, and strategy, the stored information that tactful processing module analysis upper strata issues also carried out operation response, and the networking service module comprises first networking service, routing update service and networking service again.Interface layer realizes that as the interface of application layer and Drive Layer some specific functions supply application layer directly to call.Drive Layer comprises that Eeprom driving, serial port drive, PLC drive, relay drives and the time drives.Eeprom drives the read-write operation of realizing eeprom, serial port drive can realize that serial ports passes through the agreement transceive data, PLC drives the reception and the transmission that can realize carrier signal, relay drives the switch by an IO mouth control relay, and the time drives by timer and realizes system time, alarm clock function and delay function.
By above-mentioned design of hardware and software, in the small and exquisite hardware module of volume, data acquisition, break-make control and electric line carrier communication function have been realized, can gather the field data of low voltage equipment, can carry out break-make control according to the strategy of setting, can also realize centralized monitor with the host computer networking of supporting electric line carrier communication.
Claims (3)
1. one kind can be carried out the device that single-point is monitored to low voltage equipment, it is characterized in that: have data acquisition, break-make control and electric line carrier communication function concurrently, can gather the field data of low voltage equipment, can carry out break-make control according to the strategy of setting, can also realize centralized monitor with the host computer networking of supporting electric line carrier communication.
2. the device that can carry out the single-point monitoring according to claim 1 to low voltage equipment, it is characterized in that: hardware designs comprises the SOC chip, power supply, the PLC AFE (analog front end), electric energy acquisition, relay control unit, the RS232 communication interface, the SOC chip is integrated 51 single-chip microcomputer kernels, 2 serial communication interfaces, 3 timers, the PLC communication controller, electric energy metrical unit and IO mouth, power supply power taking and power from the power line to terminal, the PLC AFE (analog front end) comprises that power carrier signal receives and sending module, electric energy acquisition comprises voltage acquisition and current acquisition, the IO mouth of relay control unit in SOC is by drive circuit control relay switch, and the bi-directional conversion of Transistor-Transistor Logic level and EIA level realizes and the RS232 communication of module-external thereby the RS232 communication interface is finished.
3. the device that can carry out the single-point monitoring according to claim 1 to low voltage equipment, it is characterized in that: software design comprises application layer, interface layer and Drive Layer, application layer comprises the communication processing module, strategy processing module and networking service module, the instant processing command that the resume module upper strata issues is handled in communication, the strategy processing module is analyzed the strategy that the upper strata issues, stored information is also carried out operation response, the networking service module comprises first networking service, routing update service and networking service again, interface layer realizes that as the interface of application layer and Drive Layer some specific functions supply application layer directly to call, Drive Layer comprises that Eeprom drives, serial port drive, PLC drives, relay drives and the time drives, Eeprom drives the read-write operation of realizing eeprom, serial port drive can realize that serial ports passes through the agreement transceive data, PLC drives the reception and the transmission that can realize carrier signal, relay drives the switch by an IO mouth control relay, and the time drives by timer and realizes system time, alarm clock function and delay function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105771888A CN102005822A (en) | 2010-12-08 | 2010-12-08 | Device capable of performing single-point monitoring on low-voltage electric equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105771888A CN102005822A (en) | 2010-12-08 | 2010-12-08 | Device capable of performing single-point monitoring on low-voltage electric equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102005822A true CN102005822A (en) | 2011-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105771888A Pending CN102005822A (en) | 2010-12-08 | 2010-12-08 | Device capable of performing single-point monitoring on low-voltage electric equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051054A (en) * | 2011-10-14 | 2013-04-17 | 无锡天鸿信息技术有限公司 | Control system for centralized management of urban public electric terminals |
| CN104730390A (en) * | 2015-03-30 | 2015-06-24 | 青岛东软载波智能电子有限公司 | Monitor for electricity utilization |
| CN107134078A (en) * | 2017-03-24 | 2017-09-05 | 康体佳智能科技（深圳）有限公司 | A kind of ATM operational system |
-
2010
- 2010-12-08 CN CN2010105771888A patent/CN102005822A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051054A (en) * | 2011-10-14 | 2013-04-17 | 无锡天鸿信息技术有限公司 | Control system for centralized management of urban public electric terminals |
| CN104730390A (en) * | 2015-03-30 | 2015-06-24 | 青岛东软载波智能电子有限公司 | Monitor for electricity utilization |
| CN107134078A (en) * | 2017-03-24 | 2017-09-05 | 康体佳智能科技（深圳）有限公司 | A kind of ATM operational system |
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Application publication date: 20110406 |