CN202679069U - Intelligent electric power electric power machine cabinet internal environment controller - Google Patents
Intelligent electric power electric power machine cabinet internal environment controller Download PDFInfo
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- CN202679069U CN202679069U CN 201220158546 CN201220158546U CN202679069U CN 202679069 U CN202679069 U CN 202679069U CN 201220158546 CN201220158546 CN 201220158546 CN 201220158546 U CN201220158546 U CN 201220158546U CN 202679069 U CN202679069 U CN 202679069U
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Abstract
The utility model discloses an intelligent electric power electric power machine cabinet internal environment controller, which comprises a remote monitoring system of the cabinet internal environment information, a state monitor system of the cabinet internal environment controlling element and a cabinet body dedusting automatic control system; the intelligent electric power electric power machine cabinet internal environment controller is characterized in that the remote monitoring system of the cabinet internal environment information comprises a digital warm humid collector 1 in the cabinet, the digital warm humid collector 1 is connected to a microprocessor intelligent unit in the cabinet through a signal isolation circuit 1 and a signal buffer circuit 1, a microprocessor is connected to a computer background through a 232 communication interface or a 485 communication interface; the microprocessor is connected to an electric fan motor in the cabinet through a temperature signal isolation circuit 2 and a signal drive circuit 1, and the microprocessor is connected with a heater in the cabinet through a humidity signal isolation circuit and a signal drive circuit 2. The intelligent electric power electric power machine cabinet internal environment controller can accurately control the work environment in the cabinet.
Description
Technical field
The utility model technology relates to a kind of electric power equipment cabinet internal environment controller, belongs to the automatic control technology of power system field.
Background technology
At present electric power system, communication field, and the various racks of other industrial automation on, a large amount of electric equipments is installed.Carrying forward vigorously of intelligent grid in recent years particularly, environment control is had higher requirement in the cabinet when rack is installed out of doors.The interior of equipment cabinet environmental evolution directly has influence on safe, the stable operation of these electric equipments.The product of environment control can only be realized the independent control of temperature, humidity or condensation in the cabinet that generally adopts both at home and abroad at present.Its mode of operation reaches certain when critical (can set) for humidity in cabinet, and controller will start electric heater in the cabinet, with humidity in the reduction cabinet; When in-cabinet temperature rose to a certain temperature, the cabinet internal fan started, and the outer fresh air of cabinet enters in the cabinet in rack lower floor after filtering, with hot-air slave in the cabinet cashier's office in a shop section be discharged to outside the cabinet, make the Temperature and Humidity Control of interior of equipment cabinet within the specific limits.
Aspect the generation that suppresses condensation, under the environment that contains than high water vapor, along with the reduction of temperature, airborne steam tends to saturation condition gradually, and this moment, Temperature Humidity Sensor was found out soon generation of condensation, automatically connect the cabinet internal heater, make airborne steam away from saturation condition, stopped the generation of condensation, simultaneously, fan starting is changed outside colder air.
The product that environment is controlled in the existing cabinet on the present market can only be realized the independent control of humiture or condensation, and does not have the mutual ability to communicate of information, can't accomplish that the operations staff is to the Real Time Monitoring of interior of equipment cabinet environment; The controller environment information acquisition is the traditional analog Acquisition Circuit, and narrow range, the precision of collection signal are low, and poor anti jamming capability; Control object is single, without analog signal and digital signal output function; Corresponding environment control element in the cabinet do not possessed telecommunication and monitoring capacity without monitoring.Therefore, when breaking down, environmental control in the cabinet and control element then make environment deterioration out of control in the cabinet, the operations staff can't understand fault message in time, also just can't carry out in time maintenance and repair, will have a strong impact on so normal, the reliably operation of electric equipment in the cabinet.
The utility model content
Technical problem to be solved in the utility model is how the operational environment in the cabinet to be controlled at optimum state, the state information of environment in the cabinet and the running state information of actuating mechanism are carried out integrated management, again these information interactions are uploaded to make things convenient for operations staff's Real Time Monitoring, make the interior environmental control system of whole cabinet be in optimum state.
For solving the problems of the technologies described above, the utility model provides a kind of intelligent electric power interior of equipment cabinet environmental control, the remote supervision system that comprises environmental information in the cabinet, condition monitoring system and the cabinet automatic dust removal control system of environment control element in the cabinet, it is characterized in that: the remote supervision system of environmental information comprises the digital Temperature and Humidity collector one in the cabinet in the described cabinet, described digital Temperature and Humidity collector one links to each other with signal isolation circuit one, signal isolation circuit one links to each other with signal buffer circuit one, signal buffer circuit one links to each other with microprocessor, described microprocessor links to each other with intelligent cell in the cabinet, microprocessor links to each other with computer background by 232 communication interfaces or 485 communication interfaces simultaneously, and intelligent cell links to each other with computer background in the cabinet; Microprocessor links to each other with fan motor in the cabinet by temperature signal buffer circuit two, signal drive circuit one; Microprocessor links to each other with the cabinet internal heater by moisture signal buffer circuit, signal drive circuit two.
Aforesaid intelligent electric power interior of equipment cabinet environmental control, it is characterized in that: the temperature and moisture signals of digital Temperature and Humidity collector one is the analog signals of output direct current 0-5V and 4-20mA after the D/A converting circuit of microprocessor internal, peripheral discharge circuit, signal isolation circuit three successively, again with intelligent cell in the described analog signals input cabinet.
Aforesaid intelligent electric power interior of equipment cabinet environmental control, it is characterized in that: the temperature and moisture signals of digital Temperature and Humidity collector one is uploaded to computer background with metrical information by body 232 communication interfaces or 485 communication interfaces after coding processing, the signal isolation circuit four of microprocessor internal are isolated.
Aforesaid intelligent electric power interior of equipment cabinet environmental control, it is characterized in that: the condition monitoring system of environment control element comprises the state information sampling circuit of cabinet internal heater, blower fan and transducer in the described cabinet, and state information sampling circuit is successively through being connected to microprocessor after signal amplification circuit one, signal comparator circuit one, the signal isolation circuit five.
Aforesaid intelligent electric power interior of equipment cabinet environmental control, it is characterized in that: described cabinet automatic dust removal control system comprises cabinet air inlet flow sensor, the air inlet flow sensor is by signal isolation circuit six, signal amplification circuit two rear access microprocessors, microprocessor is by signal isolation circuit seven connecting cabinet internal fan motors, and microprocessor connects the air inlet motor by signal comparator circuit two.
The beneficial effect that the utility model reaches: intelligent electric power interior of equipment cabinet environmental control of the present utility model, accurately operational environment in the control cubicle is reliablely and stablely worked the interior protection of cabinet and intelligent cell; Various information in the cabinet are passed to the operational management personnel, so that the interior whole system of cabinet is all under effectively monitoring; Simultaneously can according to the climatic environment of region, set the dedusting time of air inlet Air Filter in good time.
Description of drawings
Fig. 1 is humiture collection, control, communication flow diagram;
Fig. 2 is communication and clock Stored Procedure figure;
Fig. 3 is element state monitoring, control, communication flow diagram;
Fig. 4 is intelligent dedusting function block diagram;
Fig. 5 is controller self-check program flow chart;
Fig. 6 is the controller function program flow diagram;
Fig. 7 is the controller function program flow diagram;
Fig. 8 is the controller function program flow diagram.
Embodiment
Digital Temperature and Humidity collector in the cabinet, described digital warm and humid collector links to each other with signal isolation circuit, signal isolation circuit links to each other with the signal buffer circuit, the signal buffer circuit links to each other with microprocessor, temperature and moisture signals is exported direct current 0-5V and 4-20mA analog signals after the D/A converting circuit of microprocessor internal, peripheral amplifying circuit, signal isolation circuit, with intelligent cell in this analog signals input cabinet, by intelligent cell metrical information is uploaded to the backstage again; Temperature and moisture signals is uploaded to backstage with metrical information by body 232 or 485 communication interfaces through the processing of microprocessor coding, isolating device isolation simultaneously; Convert switching signal to after the state information of cabinet internal heater, blower fan and transducer is sampled → amplified → compare → isolate by sample circuit and deliver to microprocessor, through microprocessor processes, isolation, monitor message is uploaded to the backstage by body 232 communication interfaces or 485 communication interfaces; When blower fan or heater and transducer break down, microprocessor send the element state signal through buffer circuit, drive actuating of relay loop, relay provides one group of idle contact, cooperates with intelligent cell in the cabinet, networking is uploaded.
Described microprocessor comprises 232 or 485 communication interfaces, upload for realizing that the element state information exchange is crossed body in the interior environmental information of cabinet and the cabinet. mutual with intelligent cell in the cabinet, communication protocol (103) networking by intelligent cell is uploaded to the backstage with information, realizes visualized management.The operational factor of environmental control can be carried out remotely modifying and setting by the backstage in the cabinet.
The interior environmental control of cabinet has power-on self-test and to the regular self-checking function of environment control element in the cabinet (but from overhaul period free setting), the discovery fault is in time uploaded information.By gathering the operating current of heater, blower fan, process amplifying circuit and comparison circuit are monitored the operating state of these elements.In case the operating current of heater or blower fan exceeds normal range (NR) MCU and will receive fault-signal and process accordingly.
Intelligent electric power interior of equipment cabinet environmental control of the present utility model comprises the condition monitoring system of environmental control system in the cabinet, the interior environment control element of cabinet, regular dust pelletizing system.
The data acquisition unit of environmental control system in the cabinet: adopt digital acquisition device, can select STH10, change traditional analog acquisition mode, the signal transmission improves the acquisition precision of signal with the digital form transmission, increases the antijamming capability of signal transmission.
The control object of environmental control system comprises in the cabinet: temperature, humidity, condensation, the unobstructed situation in air channel;
The remote monitoring of environmental information in the cabinet: cabinet internal environment controller is converted to direct current 0-5V or 4-20mA analog signal and digital signal with environmental information in the cabinet, by the communication protocol independently of intelligent cell in the cabinet, is uploaded to the backstage; Also can implement to upload by 232 or 485 communication interfaces of body (C8051F020 is encoding to RS232 isolation output).
The condition monitoring system of environment control element in the cabinet: heating element, cooling element, environment collector are converted to digital signal by sample circuit, by the communication protocol independently of intelligent cell in the cabinet, be uploaded to the backstage, and contact output is provided out; Also can implement to upload by 232 or 485 port networkings of body.
The interior environmental control of cabinet of the present utility model has power-on self-test and reaches the regular self-checking function of environment control element in the cabinet, but from the overhaul period free setting, the discovery fault is in time uploaded information, possesses interactive capability.Therefore, environmental control and control element break down in cabinet, and the operations staff can understand fault message in time, and carry out in time maintenance and repair, will guarantee that like this normal, reliable of the normal control of the interior environment of cabinet and electric equipment moves.
The cabinet automatic dust removal control system: under open loop situations, the microprocessor free setting cabinet air inlet motor starting time of controller, when the time comes cabinet inner blower counter-rotating, air blast outside cabinet reaches the function of automatic dust removing; Under the closed loop state: by measuring the big or small starter motor of cabinet air inlet wind speed flow, the cabinet inner blower reverses in real time when the time comes, and air blast outside cabinet reaches the function of automatic dust removing.
Cabinet automatic dust removal control system of the present utility model is realized the intelligent automation dedusting of filter screen (cotton, device) self, has realized the non-maintaining and free of replacement of filter screen, and good dedusting effect has reached the purpose of saving human resources and material.
The explanation of nouns of technical term
Networking: refer to the network construction technology, be divided into Ethernet networking technology and ATM local area network building technology.
Microprocessor: with a slice or the several central processing units that large scale integrated circuit forms.These circuit are carried out the function of control assembly and arithmetic logic unit.Microprocessor is compared with traditional central processing unit, has the advantages such as little, the lightweight and easy modularization of volume.Element has: register file, arithmetic unit, sequential control circuit, and data and address bus.Microprocessor can be finished instruction fetch, carry out instruction, and with the operations such as extraneous memory and logical block exchange message, be the s operation control part of microcomputer.It can form microcomputer with memory and peripheral circuit chip.
Man-machine interaction: the interactive relation between Study system and the user, system can be various machines, also can be computerized system and software.Human-computer interaction interface typically refers to the visible part of user.The user exchanges with system by human-computer interaction interface, the line operate of going forward side by side.
Visual: as to utilize computer graphics and image processing techniques, become figure or image to show at screen data transaction, and carry out theory, method and the technology of interaction process.Relate to a plurality of fields such as computer graphics, image processing, computer vision, computer-aided design, become the complex art of the series of problems such as data represents, data processing, Analysis of Policy Making.
Below disclose the utility model with better enforcement, so it is not to limit the utility model, and all employings are equal to replaces or technical scheme that the equivalent transformation mode obtains, all drops within the protection range of the present utility model.
Claims (5)
1. intelligent electric power interior of equipment cabinet environmental control, the remote supervision system that comprises environmental information in the cabinet, condition monitoring system and the cabinet automatic dust removal control system of environment control element in the cabinet, it is characterized in that: the remote supervision system of environmental information comprises the digital warm and humid collector one in the cabinet in the described cabinet, described digital warm and humid collector one links to each other with signal isolation circuit one, signal isolation circuit one links to each other with signal buffer circuit one, signal buffer circuit one links to each other with microprocessor, and microprocessor links to each other with computer background by 232 communication interfaces or 485 communication interfaces simultaneously; Microprocessor links to each other with fan motor in the cabinet by temperature signal buffer circuit two, signal drive circuit one; Microprocessor links to each other with the cabinet internal heater by moisture signal buffer circuit, signal drive circuit two.
2. intelligent electric power interior of equipment cabinet environmental control according to claim 1, it is characterized in that: the temperature and moisture signals of digital warm and humid collector one is the analog signals of output direct current 0-5V and 4-20mA after the D/A converting circuit of microprocessor internal, peripheral discharge circuit, signal isolation circuit three successively, again with intelligent cell in the described analog signals input cabinet.
3. intelligent electric power interior of equipment cabinet environmental control according to claim 1, it is characterized in that: the temperature and moisture signals of digital warm and humid collector one is uploaded to computer background with metrical information by body 232 communication interfaces or 485 communication interfaces after compiling circuit compiler, the signal isolation circuit four of microprocessor internal are isolated.
4. intelligent electric power interior of equipment cabinet environmental control according to claim 1, it is characterized in that: the condition monitoring system of environment control element comprises the state information sampling circuit of cabinet internal heater, blower fan and transducer in the described cabinet, and state information sampling circuit is successively through being connected to microprocessor after signal amplification circuit one, signal comparator circuit one, the signal isolation circuit five.
5. intelligent electric power interior of equipment cabinet environmental control according to claim 1, it is characterized in that: described cabinet automatic dust removal control system comprises cabinet air inlet flow sensor, the air inlet flow sensor is by signal isolation circuit six, signal amplification circuit two rear access microprocessors, microprocessor is by signal isolation circuit seven connecting cabinet internal fan motors, and microprocessor connects the air inlet motor by signal comparator circuit two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220158546 CN202679069U (en) | 2012-04-13 | 2012-04-13 | Intelligent electric power electric power machine cabinet internal environment controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220158546 CN202679069U (en) | 2012-04-13 | 2012-04-13 | Intelligent electric power electric power machine cabinet internal environment controller |
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| CN202679069U true CN202679069U (en) | 2013-01-16 |
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| CN 201220158546 Expired - Lifetime CN202679069U (en) | 2012-04-13 | 2012-04-13 | Intelligent electric power electric power machine cabinet internal environment controller |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448099A (en) * | 2016-08-31 | 2017-02-22 | 国网山东省电力公司菏泽供电公司 | Remote monitoring system for running environments of ring main unit |
| CN107045314A (en) * | 2017-05-12 | 2017-08-15 | 芜湖乐佳自动化机械有限公司 | A kind of high-low pressure transformation cabinet dedusting control system adjusted based on the time and method |
| CN108767991A (en) * | 2018-08-31 | 2018-11-06 | 广东电网有限责任公司 | Transformer substation assisted devices monitoring device |
-
2012
- 2012-04-13 CN CN 201220158546 patent/CN202679069U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448099A (en) * | 2016-08-31 | 2017-02-22 | 国网山东省电力公司菏泽供电公司 | Remote monitoring system for running environments of ring main unit |
| CN106448099B (en) * | 2016-08-31 | 2019-09-06 | 国网山东省电力公司菏泽供电公司 | A kind of ring network cabinet running environment remote supervision system |
| CN107045314A (en) * | 2017-05-12 | 2017-08-15 | 芜湖乐佳自动化机械有限公司 | A kind of high-low pressure transformation cabinet dedusting control system adjusted based on the time and method |
| CN108767991A (en) * | 2018-08-31 | 2018-11-06 | 广东电网有限责任公司 | Transformer substation assisted devices monitoring device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20130116 |