CN202599561U - On-line monitoring device for ring network cabinet - Google Patents

On-line monitoring device for ring network cabinet Download PDF

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Publication number
CN202599561U
CN202599561U CN 201220279656 CN201220279656U CN202599561U CN 202599561 U CN202599561 U CN 202599561U CN 201220279656 CN201220279656 CN 201220279656 CN 201220279656 U CN201220279656 U CN 201220279656U CN 202599561 U CN202599561 U CN 202599561U
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CN
China
Prior art keywords
module
power
unit
temperature
ring main
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
CN 201220279656
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Chinese (zh)
Inventor
韩会涛
刘庆文
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.)
LAIWU KETAI POWER-TECH CO LTD
Original Assignee
LAIWU KETAI POWER-TECH 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 LAIWU KETAI POWER-TECH CO LTD filed Critical LAIWU KETAI POWER-TECH CO LTD
Priority to CN 201220279656 priority Critical patent/CN202599561U/en
Application granted granted Critical
Publication of CN202599561U publication Critical patent/CN202599561U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an on-line monitoring device for a ring network cabinet, and relates to the technical field of on-line monitoring for power. The on-line monitoring device comprises a temperature acquisition module, a singlechip, a signal conversion module, a memory, a communication module and a power module, wherein the temperature acquisition module, the signal conversion module, the memory and the communication module are respectively connected with the singlechip through buses; the signal conversion module is connected with the output end of the temperature acquisition module; and the power module is connected with the singlechip through a power supply unit. According to the on-line monitoring device, the communication module communicates with the external environment through an RS485 interface, an MODBUS interface and a radio frequency identification (RFID) communication unit, so that temperature in the ring network cabinet can be monitored in real time and on line, and the temperature rise of a cable during running can be accurately uploaded.

Description

The ring main unit on-Line Monitor Device
Technical field
The utility model relates to the electric power online monitoring technical field, relates in particular to a kind of intelligent ring main unit on-Line Monitor Device.
Background technology
Because ring main unit is exposed in the air usually, receives the influence of external environment, parameters such as its some inner temperature, humidity also have certain influence; Be installed in cable box inside simultaneously, high-voltage electrical apparatus contacts such as cable splice can be because of wearing out or contact resistance is excessive generates heat in the long-time running process; Influence the use of ring main unit when cable temperature is too high, can produce danger to safety in production simultaneously, the temperature of these heating positions can't be monitored usually; Finally cause accident to take place thus; Cause fire and large-area power outage, solving ring main unit inside cable contact problems of excessive heat is to stop the key that this type of accident takes place, and realizes that on-line temperature monitoring is the important means that guarantees the ring main unit safe operation; Existing on-line monitoring technique can not accurately be judged for the trend of ring main unit internal temperature, is prone to produce erroneous judgement.
Summary of the invention
The purpose of the utility model is to provide a kind of prior art shortcoming that overcomes, and provides a kind of simple in structure, and measuring accuracy is high, and antijamming capability is strong, ring main unit on-Line Monitor Device easy for installation.
The utility model is achieved in that said ring main unit on-Line Monitor Device comprises temperature collect module, single-chip microcomputer, signal conversion module, storer, communication module and power module; Single-chip microcomputer is continuous respectively through bus for said temperature collect module, signal conversion module, storer, communication module; Signal conversion module links to each other with the output terminal of temperature collect module; Power module links to each other with single-chip microcomputer through power supply unit.
Said temperature collect module is temperature sensor PT100; Said communication module comprises RS485 interface, MODBUS interface, RFID communication unit; Also connect output module on the said bus, the output terminal of output module is connected with indicator light circuit, and indicator light circuit comprises power light, codan lamp, transmission pilot lamp, temperature collect module pilot lamp; Said power module comprises induction power taking unit, control module, protected location and power supply unit, and control module links to each other with power supply unit through induction power taking unit; Power supply unit links to each other with single-chip microcomputer, and power supply unit is capacitor or lithium battery, and the power taking unit is a current transformer.
Said temperature collect module, single-chip microcomputer, signal conversion module, storer, communication module and power module all are positioned at same housing.
The advantage of the utility model is: temperature collect module adopts PT100, and the simulating signal that collects is stored and transmitted with digital signaling after signal conversion module, and temperature measurement accuracy can reach 0.2 ℃, and measuring accuracy is high, has improved antijamming capability; Through power light, codan lamp, transmission pilot lamp and temperature acquisition pilot lamp, can judge the duty of each module accurately, safe and reliable; Power module adopts the induction way to take power, and has increased protected location, can avoid owing to the influence of extraneous factors such as thunderbolt, excess current to the utility model, and is safe and reliable; The communication module of the utility model setting utilizes RS485 interface, MODBUS interface, RFID communication unit to be connected with external communication, has realized ring main unit inside cable temperature is carried out real time on-line monitoring, can upload the temperature rise of cable in service exactly.
Description of drawings
Accompanying drawing 1 is the utility model structural representation;
Among the figure: 1. communication module, 2. single-chip microcomputer, 3. storer, 4. bus, 5. output module; 6. indicator light circuit, 7. temperature collect module, 8. signal conversion module, 9. protected location; 10. control module, 11. induction power taking unit, 12. power supply units, 13. power modules.
Embodiment
The utility model is achieved in that said ring main unit on-Line Monitor Device comprises temperature collect module (7), single-chip microcomputer (2), signal conversion module (8), storer (3), communication module (1) and power module (13); Said temperature collect module (7), storer (3), communication module (1), signal conversion module (8) are through bus (4) difference single-chip microcomputer continuous (2); Signal conversion module (8) links to each other with the output terminal of temperature collect module (7); Power module (13) links to each other with single-chip microcomputer (2) through power supply unit (12).
Said temperature collect module (7) is temperature sensor PT100; Realization is to the collection and the monitoring of cable temperature; And the simulating signal that will monitor temperature is passed through signal conversion module (8) output temperature digital signal; Reduced the transmission of temperature analog signal and the error that external interference causes, made the measurement temperature reach 0.2 ℃, temperature collect module capable of using (7) is accurately judged the temperature rise trend of high-tension cable; Said signal conversion module (8) links to each other with single-chip microcomputer (2) through bus (4), and single-chip microcomputer (2) utilizes bus (4) transmission data and control signal.
Said temperature collect module (7), single-chip microcomputer (2), signal conversion module (8), storer (3), communication module (1), power module (13) all are positioned at same housing.Also connect output module (5) on the said bus (4); The output terminal of output module (5) is connected with indicator light circuit (6); Indicator light circuit (6) comprises power light, codan lamp, transmission pilot lamp, temperature collect module pilot lamp, and output module (5) receives the duty of respective modules, and shows corresponding state through indicator light circuit (6); The pilot lamp of indicator light circuit (6) is installed on the housing, and it is convenient to observe; Said single-chip microcomputer (2) interconnects through bus (4) and storer (3) and communication module (1); The temperature digital signal that single-chip microcomputer (2) receives and analytic signal modular converter (8) is exported; And with this signal storage (3) in storer; Be convenient to said digital signal is inquired about; Said communication module (1) comprises RS485 interface, MODBUS interface, RFID communication unit, and the communication module (1) that the utility model is provided with utilizes RS485 interface, MODBUS interface, RFID communication unit to be connected with external communication; Said single-chip microcomputer (2) is receiving after main frame reads signal; The temperature value of correspondence is read from storer (3); Transfer signals to main website through bus (4), communication module (1), single-chip microcomputer (2) can also be according to the connection to each module, to the corresponding status signal of output module (5) output; And through indicator light circuit (6) demonstration; Thereby realized the high-tension current temperature is carried out real time on-line monitoring, can report the temperature rise of cable in service exactly, for equipment safety operation provides reliable data foundation; When the measured point temperature surpasses preset value; To send alerting signal in time reminds the relevant personnel to take measures; The temperature monitoring operating software that is installed in city, district Surveillance center intuitively shows geographic distribution, contact temperature operational factor, warning information, history parameters etc. through forms such as figure, tables through man-machine interface; For decision-making level provides the most reliably data foundation, can remove a hidden danger, minimizing accident to greatest extent.
Said power module (13) adopts the induction way to take power, comprises induction power taking unit (11), control module (10), protected location (9) and power supply unit (12), and control module (10) links to each other with power supply unit (12) through induction power taking unit (11); Power supply unit (12) links to each other with single-chip microcomputer (2), and the purpose of control module (10) is that the electric current responded to of induction power taking unit (11) is controlled power supply unit (12), and power supply unit (12) is overcharged or overdischarge is protected; Power supply unit (12) is capacitor or lithium battery, and induction power taking unit (11) is a current transformer; Protected location (9) links to each other with power supply unit (12), and protected location (9) can be dash current holding circuit and surge voltage protection circuit.

Claims (6)

1. ring main unit on-Line Monitor Device, it is characterized in that: said ring main unit on-Line Monitor Device comprises temperature collect module, single-chip microcomputer, signal conversion module, storer, communication module and power module; Single-chip microcomputer is continuous respectively through bus for said temperature collect module, signal conversion module, storer, communication module; Signal conversion module links to each other with the output terminal of temperature collect module; Power module links to each other with single-chip microcomputer through power supply unit.
2. ring main unit on-Line Monitor Device according to claim 1 is characterized in that: said temperature collect module is temperature sensor PT100.
3. ring main unit on-Line Monitor Device according to claim 1 is characterized in that: communication module comprises RS485 interface, MODBUS interface, RFID communication unit.
4. ring main unit on-Line Monitor Device according to claim 1; It is characterized in that: also connect output module on the bus; The output terminal of output module is connected with indicator light circuit, and indicator light circuit comprises power light, codan lamp, transmission pilot lamp, temperature collect module pilot lamp.
5. ring main unit on-Line Monitor Device according to claim 1 is characterized in that: power module comprises induction power taking unit, control module, protected location and power supply unit, and control module links to each other with power supply unit through induction power taking unit; Power supply unit links to each other with single-chip microcomputer, and power supply unit is capacitor or lithium battery, and induction power taking unit is a current transformer.
6. according to claim 1,2,3,4 or 5 described ring main unit on-Line Monitor Device, it is characterized in that: temperature collect module, single-chip microcomputer, signal conversion module, storer, communication module and power module all are positioned at same housing.
CN 201220279656 2012-06-10 2012-06-10 On-line monitoring device for ring network cabinet Expired - Fee Related CN202599561U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220279656 CN202599561U (en) 2012-06-10 2012-06-10 On-line monitoring device for ring network cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220279656 CN202599561U (en) 2012-06-10 2012-06-10 On-line monitoring device for ring network cabinet

Publications (1)

Publication Number Publication Date
CN202599561U true CN202599561U (en) 2012-12-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220279656 Expired - Fee Related CN202599561U (en) 2012-06-10 2012-06-10 On-line monitoring device for ring network cabinet

Country Status (1)

Country Link
CN (1) CN202599561U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104200258A (en) * 2014-03-05 2014-12-10 深圳市华士精成科技有限公司 Electronic tag for device management and device power cord
CN104933453A (en) * 2015-06-08 2015-09-23 航天科工深圳(集团)有限公司 Information management system and method of ring main unit (RMU)
CN106597961A (en) * 2017-02-22 2017-04-26 国家电网公司 Ring network cabinet environment monitoring system and method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104200258A (en) * 2014-03-05 2014-12-10 深圳市华士精成科技有限公司 Electronic tag for device management and device power cord
CN104933453A (en) * 2015-06-08 2015-09-23 航天科工深圳(集团)有限公司 Information management system and method of ring main unit (RMU)
CN106597961A (en) * 2017-02-22 2017-04-26 国家电网公司 Ring network cabinet environment monitoring system and method thereof

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Assignee: Shandong Kaitai electrical Limited by Share Ltd

Assignor: LAIWU KETAI POWER-TECH CO.,LTD.

Contract record no.: 2013370000134

Denomination of utility model: Distributed online ring main unit monitoring device

Granted publication date: 20121212

License type: Exclusive License

Record date: 20130530

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121212

Termination date: 20130610

C17 Cessation of patent right