CN204288457U - Condensation monitor and alarm system in transformer station - Google Patents
Condensation monitor and alarm system in transformer station Download PDFInfo
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- CN204288457U CN204288457U CN201420748544.1U CN201420748544U CN204288457U CN 204288457 U CN204288457 U CN 204288457U CN 201420748544 U CN201420748544 U CN 201420748544U CN 204288457 U CN204288457 U CN 204288457U
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Abstract
The utility model discloses condensation monitor and alarm system in a kind of transformer station, comprise the main control unit for control center, described main control unit is connected with the controller of master-control room; For detecting the data acquisition unit of the indoor condensation of transformer substation switch, the signal output part of described data acquisition unit connects the collection signal input end of main control unit; The alarm unit given the alarm during for occurring condensation, the signal input part of described alarm unit connects the alarm signal output ends of main control unit; For the performance element for dispelling condensation in switch mechanism box and switch gear room, the signal input part of described performance element connects the drive singal output terminal of main control unit by driver element.The utility model can detect the condensation of transformer substation switch indoor in time, and processes condensation in time, prevents condensation from causing the alternate electric discharge of equipment, ensures that power transformation station equipment normally runs.The utility model is applicable to the switch gear room of transformer station 10kV, 35kV and the mechanism case of outdoor switch and switch board, namely for provision for sealing condensation monitoring and report to the police.
Description
Technical field
The utility model belongs to Study On Intelligent Monitoring Techniques field, relates to the intellectual monitoring of transformer station, specifically condensation monitor and alarm system in a kind of transformer station.
Background technology
Can the whether safe operation substantial connection of transformer station normally carry out to daily life, production, once transformer station breaks down, directly can have a strong impact on normal production and household electricity.Therefore in order to ensure the operation of transformer station, need to monitor transformer station, safeguard.
And affecting in the factors of substation operation, condensation is wherein a particularly important factor.Condensation is cold-hot air convection and produces.China region is wide, and the wintry weather in the north is cold, and transformer station's internal-external temperature difference is comparatively large, easily occurs condensation; In addition, in the southern area that air humidity is larger, winter or rainy season be also as easy as rolling off a log there is dew condensation phenomenon, and once there is dew condensation phenomenon, just easily cause the alternate electric discharge of switchgear in transformer station, cause transformer fault, serious even generation equipment explosion, cause the damage of converting equipment, cause serious consequence.
For these reasons, need to carry out the detection of condensation, warning and process to the switchgear of transformer station, in prior art, the detection of condensation is judged whether to produce condensation only by the humidity detecting transformer substation switch room air, and then control ventilation dehumidifying equipment dehumidifies, and the formation basic theory of condensation is when being the water vapor degree of reaching capacity in air, a kind of phenomenon that the object that temperature is relatively low condenses, namely under uniform temperature condition, relative humidity in air is higher, environment temperature is more close to dewpoint temperature, and condensation is all easily formed; And when there is the portion faces temperature of condensation higher than peripheral temperature, no matter air themperature how, condensation more easily produces.Therefore, the generation that the mode only detecting humidity in prior art can not be anti-condensation in advance well, the measure of dispelling condensation accordingly can not dispel condensation effectively.
Utility model content
The technical problems to be solved in the utility model, it is the above-mentioned defect overcome existing for prior art, condensation monitor and alarm system in a kind of transformer station is provided, effectively can detect whether power transformation station equipment produces condensation, and make corresponding measure in time and dispel condensation, send the normal operation that alerting signal ensures substation equipment simultaneously.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
Condensation monitor and alarm system in a kind of transformer station, comprises
As the main control unit of control center, described main control unit is connected with the controller of master-control room;
For detecting the data acquisition unit of condensation information, the signal output part of described data acquisition unit connects the collection signal input end of main control unit;
The alarm unit given the alarm during for occurring condensation, the signal input part of described alarm unit connects the alarm signal output ends of main control unit;
For dispelling the performance element of condensation for equipment, the signal input part of described performance element connects the drive singal output terminal of main control unit by driver element.
Restriction as to data acquisition unit: described data acquisition unit comprises the adjustable condensation sensor mechanism of precision and temperature sensor mechanism, and described condensation sensor mechanism is connected with main control unit respectively by corresponding signal processing circuit with the signal output part of temperature sensor mechanism.
Further restriction as to data acquisition unit: signal processing circuit corresponding to described condensation sensor mechanism comprises the light emitting diode of luminescence when there is condensation, converts electrical signals to the photo-coupler of light signal, and twin voltage comparer, described light emitting diode is serially connected with in the feed circuit of condensation sensor mechanism, the optical receiving end of photo-coupler is located at the light exit side place of light emitting diode, its electrical signal connects the signal input part of twin voltage comparer, and the signal output part of twin voltage comparer connects main control unit.
Further restriction as to data acquisition unit: described condensation sensor mechanism comprises the humidity sensor of perception condensation, and for regulating the variable resistor of humidity sensor sensitivity, described humidity sensor is connected in series with variable resistor and forms the adjustable condensation sensor mechanism of precision.
Limit as to performance element: described performance element comprises heating arrangement, damp-eliminating apparatus, described heating arrangement is heating plate, and described damp-eliminating apparatus adopts blower fan.
Restriction as to alarm unit: described alarm unit is audible-visual annunciator.
Owing to have employed above-mentioned technical scheme, compared with prior art, acquired technical progress is the utility model:
(1) the utility model can not only the relative humidity of detector switch room air, detect the temperature of measured point and the temperature of measured point surrounding air simultaneously, relative humidity, relative temperature are carried out judging whether likely to produce condensation comprehensively, the condition that detection condensation produces is more accurate, and then the control of whole system is also more accurate, the condensation of transformer substation switch indoor can be detected in time, and in time condensation is processed, prevent condensation from causing the alternate electric discharge of transformer, ensure that power transformation station equipment normally runs;
(2) the utility model is provided with alarm unit, when the indoor generation condensation of transformer substation switch, alarm unit can give the alarm in time, notify that staff now creates condensation in switch gear room, staff can make corresponding measure in time, timely process condensation, ensures the normal operation of power transformation station equipment.
The utility model is applicable to the switch gear room of transformer station 10kV, 35kV.
The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the utility model embodiment;
Fig. 2 is the electrical schematic diagram that in the utility model embodiment, condensation sensor mechanism is connected with main control unit.
Embodiment
embodimentcondensation monitor and alarm system in a kind of transformer station
The present embodiment comprises as shown in Figure 1 and Figure 2
(1) as the main control unit of control center.Described main control unit is connected with the controller of master-control room.Main control unit in the present embodiment adopts the happy SRD-12VDC-SL-C of pine of the prior art.
(2) for detecting the data acquisition unit of condensation in the mechanism case of the indoor and outdoor switch of transformer substation switch, pulpit.The signal output part of described data acquisition unit connects the collection signal input end of main control unit.Data acquisition unit in the present embodiment comprises the adjustable condensation sensor mechanism of precision, and temperature sensor mechanism, and described condensation sensor mechanism connects main control unit with temperature sensor mechanism respectively by corresponding signal processing circuit.And condensation sensor mechanism in the present embodiment as shown in Figure 2, comprise the humidity sensor of perception condensation, and for regulating the variable resistor of humidity sensor sensitivity, described humidity sensor is connected in series with variable resistor and forms the adjustable condensation sensor mechanism of precision.
Described signal processing circuit comprises the light emitting diode of luminescence when there is condensation, converts electrical signals to the photo-coupler of light signal, and twin voltage comparer, described light emitting diode is serially connected with in the feed circuit of condensation sensor mechanism, the optical receiving end of photo-coupler is located at the light exit side place of light emitting diode, its electrical signal connects the signal input part of twin voltage comparer, and the signal output part of twin voltage comparer connects main control unit.
Temperature sensor of the prior art wraps in described temperature sensor mechanism, and signal processing circuit in prior art.The signal that described temperature sensor detects at least comprises the temperature around the temperature of measured point and measured point, and the temperature value detected is sent to main control unit by temperature sensor.
(3) alarm unit given the alarm time for there is condensation.The signal input part of described alarm unit connects the alarm signal output ends of main control unit.Alarm unit in the present embodiment adopts audible-visual annunciator of the prior art, can not only send out into light, and can produce audible alarm, more can directly report to the police.
(4) for dispelling the performance element of condensation for transformer switch indoor.The signal input part of described performance element connects the drive singal output terminal of main control unit by driver element.In the present embodiment, driver element adopts relay, and the coil tandem of described relay is in main control unit common port 2, and the normally opened contact of relay is serially connected with between performance element and driver element.And the performance element in the present embodiment comprises heating arrangement, damp-eliminating apparatus, described heating arrangement is conventional heating plate, and described damp-eliminating apparatus adopts blower fan.
The principle of work of the present embodiment is: the reference value storing relative humidity and the relative temperature judging that condensation exists in main control unit, and condensation sensor and temperature sensor are provided with multiple, namely in the switch gear room of transformer, multiple measured point is provided with, condensation sensor and temperature sensor detect the humidity of measured point respectively, and the temperature of measured point, temperature around measured point.
During embody rule the present embodiment, first the sensitivity of condensation sensor is adjusted by variable resistor, afterwards condensation sensor and temperature sensor according to the setting of control module can in real time or separated in time detect, and the reference value stored in the information of detection and main control unit is compared, if judge now to produce condensation, then main control unit controls lumination of light emitting diode, and then the light that light emitting diode sends by photo-coupler converts electric signal to, and electric signal is sent in twin voltage comparer compares, export comparison signal afterwards to relay, the closing of contact of relay drives heating arrangement and damp-eliminating apparatus to run, gentle dehumidifying is added to switch indoor, and then the condensation of dispelling in switch gear room.
In addition, the present embodiment also has following functions:
A) logout and failure wave-recording: logout comprises transformer station's Indoor Temperature, humidity over limit situation, condensation abnormal state alarm condition, according to humiture normal value, system can judge that whether present case is normal, when data exceed normal value (system can adjust normal value at any time according to Various Seasonal, different geographical), while alarm unit gives the alarm, main control unit carries out record to data message at that time.
B) with remote dispatching center to center communications
Because main control unit is connected with the controller of main control room, each main control room intercoms mutually with the dispatching center in a distant place, namely main control unit and existing dispatching center function with the use of, the remote measurement of telemechanical apparatus routine, remote control, remote signalling and remote regulating four remote control function can be realized, the quantity of state of collection and digital quantity remote dispatching center be can be sent in real time, and control and the instruction of higher level dispatching center accepted.If there is accident to occur, such as epidemic disaster exceeds standard, or equipment key position surface condensation index exceeding standard, and the data that will exceed standard insert preferential transmission, notify at once to dispatching center.In addition by the information reporting such as real-time curve and data to dispatching center, also accept the order etc. of the amendment epidemic disaster definite value sent from dispatching center simultaneously.
C) data processing and statistic record
System processes gathering the data come by the requirement of regulation, and is sent to local main control room and higher level dispatching center.These data mainly contain: each transformer station's Indoor Temperature, humidity data, station equipment key position condensation data, epidemic disaster real time data and change curve thereof in every day station, every day maximum epidemic disaster records of values, the moon epidemic disaster, condensation change curve.Epidemic disaster change curve and condensation change curve statistics when breaking down, and preserve filing.Historical data can be kept at the background computer of supervisory system.
D) man-machine interface function
When transformer station's implementation has people on duty, the background computer of local supervisory system completes man-machine interface function; When transformer station carries out unattended, then carry out man-machine interface in the scheduling or remote dispatching center that monitor on main frame or centralized control center.The man-machine interface of operating personnel can realize following major function:
1) computer screen can show various data, form and picture, comprise equipment separate unit fixed position epidemic disaster, condensation situation change curve, fixed equipment day, the moon, year fixed data contrast, data real time monitoring function, closes on fault data warning function.
2) input or Update Table, can a distant place, change the scope of normal data on the spot.
4) the self-diagnosis result of each equipment of display system.
5) unattended station is provided with man-machine interface function, facilitates the collection of data, can show the various data message of station equipment and quantity of state.
E) the self diagnosis measuring ability of system
Each functional device such as collection, the R-T unit etc. of system all have self diagnosis measuring ability, when all formant equipment breaks down, can autodiagnosis to be out of order position.When the inline diagnosis of system is broken down, capable of automatic alarm, and defect content and fault-time are recorded in event complete list.Diagnostic result periodically can be sent to background computer and the remote dispatching center of local supervisory system, so the running status of each device covers all at one glance in system, overhauls without the need to human at periodic intervals.
Claims (7)
1. a condensation monitor and alarm system in transformer station,
it is characterized in that:comprise
As the main control unit of control center, described main control unit is connected with the controller of master-control room;
For detecting the data acquisition unit of condensation information, the signal output part of described data acquisition unit connects the collection signal input end of main control unit;
The alarm unit given the alarm during for occurring condensation, the signal input part of described alarm unit connects the alarm signal output ends of main control unit;
For dispelling the performance element of condensation for equipment, the signal input part of described performance element connects the drive singal output terminal of main control unit by driver element.
2. condensation monitor and alarm system in transformer station according to claim 1,
it is characterized in that:described data acquisition unit comprises the adjustable condensation sensor mechanism of precision and temperature sensor mechanism, and described condensation sensor mechanism is connected with main control unit respectively by corresponding signal processing circuit with the signal output part of temperature sensor mechanism.
3. condensation monitor and alarm system in transformer station according to claim 2,
it is characterized in that:signal processing circuit corresponding to described condensation sensor mechanism comprises the light emitting diode of luminescence when there is condensation, converts electrical signals to the photo-coupler of light signal, and twin voltage comparer, described light emitting diode is serially connected with in the feed circuit of condensation sensor mechanism, the optical receiving end of photo-coupler is located at the light exit side place of light emitting diode, its electrical signal connects signal input and the end of twin voltage comparer, and the signal output part of twin voltage comparer connects main control unit.
4. condensation monitor and alarm system in the transformer station according to Claims 2 or 3,
it is characterized in that:
Described condensation sensor comprises the humidity sensor that humidity sensor mechanism comprises perception condensation, and for regulating the variable resistor of humidity sensor sensitivity, described humidity sensor is connected in series with variable resistor and forms the adjustable condensation sensor mechanism of precision.
5. condensation monitor and alarm system in transformer station as claimed in any of claims 1 to 3,
it is characterized in that:described performance element comprises heating arrangement, damp-eliminating apparatus, and described heating arrangement is heating plate, and described damp-eliminating apparatus adopts blower fan.
6. condensation monitor and alarm system in transformer station according to claim 4, is characterized in that: described performance element comprises heating arrangement, damp-eliminating apparatus, described heating arrangement is heating plate, and described damp-eliminating apparatus adopts blower fan.
7. according to condensation monitor and alarm system in the transformer station in claim 1,2,3,6 described in any one,
it is characterized in that:described alarm unit is audible-visual annunciator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420748544.1U CN204288457U (en) | 2014-12-04 | 2014-12-04 | Condensation monitor and alarm system in transformer station |
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| CN201420748544.1U CN204288457U (en) | 2014-12-04 | 2014-12-04 | Condensation monitor and alarm system in transformer station |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509818A (en) * | 2016-02-01 | 2016-04-20 | 江苏省电力公司检修分公司 | High-voltage cabinet dew point detection system and method thereof |
| CN106547296A (en) * | 2017-02-08 | 2017-03-29 | 河南智圣普电子技术有限公司 | A kind of case system and its implementation by temperature adjusting anti-condensation |
| CN107590967A (en) * | 2017-04-28 | 2018-01-16 | 国网山东省电力公司寿光市供电公司 | A kind of town and country looped network interval switchs condensation remote monitoring system |
| CN108051545A (en) * | 2017-11-30 | 2018-05-18 | 苏州切思特电子有限公司 | A kind of cabinet condensation detecting system based on conversion equipment |
| CN109200776A (en) * | 2018-09-30 | 2019-01-15 | 国网河南省电力公司方城县供电公司 | A kind of anti-condensation system of underground substation equipment room |
| CN109444208A (en) * | 2018-11-28 | 2019-03-08 | 常州普莱德新能源电池科技有限公司 | A kind of detection of lithium battery pack condensation and drying device, system and method |
| CN110646471A (en) * | 2019-09-29 | 2020-01-03 | 杭州铂得科技有限公司 | Microenvironment intelligent monitoring device and microenvironment intelligent monitoring system |
| CN111443109A (en) * | 2019-01-16 | 2020-07-24 | 国网宁夏电力有限公司 | Condensation alarm induction plate for mechanism box of transformer substation |
-
2014
- 2014-12-04 CN CN201420748544.1U patent/CN204288457U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509818A (en) * | 2016-02-01 | 2016-04-20 | 江苏省电力公司检修分公司 | High-voltage cabinet dew point detection system and method thereof |
| CN106547296A (en) * | 2017-02-08 | 2017-03-29 | 河南智圣普电子技术有限公司 | A kind of case system and its implementation by temperature adjusting anti-condensation |
| CN107590967A (en) * | 2017-04-28 | 2018-01-16 | 国网山东省电力公司寿光市供电公司 | A kind of town and country looped network interval switchs condensation remote monitoring system |
| CN108051545A (en) * | 2017-11-30 | 2018-05-18 | 苏州切思特电子有限公司 | A kind of cabinet condensation detecting system based on conversion equipment |
| CN109200776A (en) * | 2018-09-30 | 2019-01-15 | 国网河南省电力公司方城县供电公司 | A kind of anti-condensation system of underground substation equipment room |
| CN109200776B (en) * | 2018-09-30 | 2024-04-09 | 国网河南省电力公司方城县供电公司 | Anti-condensation system between underground transformer substation equipment |
| CN109444208A (en) * | 2018-11-28 | 2019-03-08 | 常州普莱德新能源电池科技有限公司 | A kind of detection of lithium battery pack condensation and drying device, system and method |
| CN111443109A (en) * | 2019-01-16 | 2020-07-24 | 国网宁夏电力有限公司 | Condensation alarm induction plate for mechanism box of transformer substation |
| CN110646471A (en) * | 2019-09-29 | 2020-01-03 | 杭州铂得科技有限公司 | Microenvironment intelligent monitoring device and microenvironment intelligent monitoring system |
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