CN104656721A - Method and device for automatically controlling dehumidification of mechanism case for electrical power - Google Patents
Method and device for automatically controlling dehumidification of mechanism case for electrical power Download PDFInfo
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- CN104656721A CN104656721A CN201510099553.1A CN201510099553A CN104656721A CN 104656721 A CN104656721 A CN 104656721A CN 201510099553 A CN201510099553 A CN 201510099553A CN 104656721 A CN104656721 A CN 104656721A
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Abstract
The invention discloses a method and a device for automatically controlling dehumidification of a mechanism case for electrical power. The method for automatically controlling dehumidification of the mechanism case for electrical power comprises steps as follows: starting a dehumidification device; performing self-inspection of the dehumidification device; judging whether the dehumidification device breaks down according to a self-inspection result; reading various set values; using a temperature sensor to detect the inside temperature of the mechanical case; judging whether the inside temperature of the mechanism case is over-high; using a humidity sensor to detect the humidity in the mechanism case; judging whether the humidity in the mechanism case is over-high; operating the dehumidification device according to an operation duration set value; judging whether the humidity difference in the mechanism case exceeds the set value; allowing the dehumidification device to be in a standby state for rest according to the operation duration set value; giving an alarm by the device. The temperature and the humidity in the mechanism case can be collected, the device gives an alarm when the temperature is over-high, dehumidification is performed through humidity judgment when the temperature is normal, and fault due to over-high temperature and humidity in the mechanism case is prevented.
Description
Technical field
The invention belongs to electrical equipment research field, relate to a kind of electric power mechanism case and automatically control dehumanization method and device.The method and device are mainly applicable to, in isolating switch, GIS mechanism case, also extend to the electrical equipment enclosure spaces such as terminal box.
Background technology
Electrical switchgear mechanism case such as isolating switch, GIS mechanism case usually all out of doors, install a large amount of secondary terminals and other active electrical elements in irony casing.When extraneous difference variation is larger, a large amount of humid air can be there is in mechanism case, when in case, air humidity acquires a certain degree, condensation can be produced at a certain temperature, cause secondary terminals to insulate the mouldy corruption of parcel, be attached to phenomenons such as active electrical element can causing creepage, flashover time serious and cause accident to occur.
Current, well heater dehumidifying is adopted in a large amount of mechanism case, because mechanism case is confined space, the moisture in humid air cannot be discharged by well heater, often causes secondary terminals and live components in mechanism case to accelerate mouldy corruption in high temperature, high humidity situation and causes accident.
Based on above actual conditions, propose a kind of electric power mechanism case and automatically control dehumanization method and device.Under the two ore control of temperature, humidity, dehydrating unit is dehumidified at specified operation time, adopt heat exchanger to add the dehumanization method of drying agent simultaneously, solve the problem that in humid air, moisture cannot be got rid of, fundamentally solve the problem of making moist in mechanism case.
Summary of the invention
The technology of the present invention is conceived to the actual conditions of mechanism case moisture-sensitive, condensation, the problem of combining mechanism case internal heater effect on moisture extraction deficiency, propose a kind of electric power mechanism case and automatically control dehumanization method and device, fundamentally solve the situation of mechanism case moisture-sensitive, condensation.
The present invention is realized by following technical proposal:
A kind of electric power mechanism case controls dehumanization method automatically, and the present invention is characterised in that, method step is as follows:
1) start;
2) dehydrating unit self-inspection;
3) dehydrating unit whether fault is judged according to self-detection result;
4) various setting value is read;
5) serviceability temperature transducer detecting mechanism the temperature inside the box;
6) whether decision mechanism the temperature inside the box is overheated;
7) humidity sensor testing agency case humidity is used;
8) whether decision mechanism case humidity is too high;
9) dehydrating unit runs according to operation duration setting value;
10) whether decision mechanism case humidity difference exceedes setting value;
11) dehydrating unit is according to the standby rest of standby time setting value;
12) device is reported to the police;
Wherein: the various setting value of described reading comprises: read desired temperature, read humidity set point, read dehydrating unit operation duration setting value, read psychrometric difference setting value, read dehydrating unit standby time setting value;
Described serviceability temperature transducer detecting mechanism the temperature inside the box adopts thermocouple sensor;
Whether described decision mechanism the temperature inside the box is overheated is that thermocouple sensor collecting temperature value is greater than unit temp setting value;
Described use humidity sensor testing agency case humidity adopts humicap type sensor;
Whether described decision mechanism case humidity is too high is that humicap type sensor collection humidity value is greater than device humidity set point;
Whether described decision mechanism case humidity difference exceedes setting value comprises: in humicap type sensor collecting mechanism case, before and after dehydrating unit operation, psychrometric difference is greater than psychrometric difference setting value.
A kind of electric power mechanism case described according to the method described above controls the device dehumidified automatically, comprise the temperature sensor, the humidity sensor that insert respectively in mechanism case, temperature sensor is connected with the temperature controller be arranged in mechanism case, humidity sensor is connected with the humidity controller be arranged in mechanism case, temperature controller connects alarm unit, humidity controller connects Dehumidifying element, and power module A connection mechanism case 220V direct supply is each module for power supply; Wherein temperature sensor collecting mechanism the temperature inside the box is to temperature controller, and temperature controls directly to be communicated with alarm unit when judgement reaches design temperature and reports to the police, and is communicated with humidity controller when judging not reach design temperature; Humidity sensor collecting mechanism case humidity is to humidity controller, and humidity sensor judges that being communicated with Dehumidifying element when reaching setting humidity runs according to operation duration setting value, judges that returning temperature controller when not reaching setting humidity judges temperature.
In apparatus of the present invention, Dehumidifying element is connected with heat exchanger by fan, and drying agent is connected to bottom heat exchanger by buckle, and power module B is that fan and heat exchanger are powered; Its fan sucks air, and after heat exchanger, moisture in air is condensed into the globule and flows in drying agent, dry air discharges Dehumidifying element thereupon, drying agent was taken off by buckle after losing efficacy, and installed fixing after changing inefficacy drying agent again by buckle, drying agent refers to silica type high activity sorbing material.
Temperature sensor described in apparatus of the present invention adopts thermocouple sensor, and humidity sensor adopts humicap type sensor.
The invention has the beneficial effects as follows: under the two ore control of temperature, humidity, dehydrating unit is dehumidified at specified operation time, adopt heat exchanger to add the dehumanization method of drying agent simultaneously, solve the problem that in humid air, moisture cannot be got rid of, fundamentally solve the problem of making moist in mechanism case.
Content of the present invention is set forth further below in conjunction with accompanying drawing and example.
Accompanying drawing explanation
Fig. 1 is that mechanism case controls dehumanization method process flow diagram automatically;
Fig. 2 is that mechanism case controls dehydrating unit structural drawing automatically;
Fig. 3 is that Dehumidifying element forms schematic diagram.
Specific embodiments
See Fig. 1, a kind of electric power mechanism case controls dehumanization method automatically, and the present invention is characterised in that, method step is as follows:
1) start;
2) dehydrating unit self-inspection;
3) dehydrating unit whether fault is judged according to self-detection result;
4) various setting value is read;
5) serviceability temperature transducer detecting mechanism the temperature inside the box;
6) whether decision mechanism the temperature inside the box is overheated;
7) humidity sensor testing agency case humidity is used;
8) whether decision mechanism case humidity is too high;
9) dehydrating unit runs according to operation duration setting value;
10) whether decision mechanism case humidity difference exceedes setting value;
11) dehydrating unit is according to the standby rest of standby time setting value;
12) device is reported to the police;
Wherein: the various setting value of described reading comprises: read desired temperature, read humidity set point, read dehydrating unit operation duration setting value, read psychrometric difference setting value, read dehydrating unit standby time setting value;
Described serviceability temperature transducer detecting mechanism the temperature inside the box adopts thermocouple sensor;
Whether described decision mechanism the temperature inside the box is overheated is that thermocouple sensor collecting temperature value is greater than unit temp setting value;
Described use humidity sensor testing agency case humidity adopts humicap type sensor;
Whether described decision mechanism case humidity is too high is that humicap type sensor collection humidity value is greater than device humidity set point;
Whether described decision mechanism case humidity difference exceedes setting value comprises: in humicap type sensor collecting mechanism case, before and after dehydrating unit operation, psychrometric difference is greater than psychrometric difference setting value.
See Fig. 2, a kind of electric power mechanism case described according to the method described above controls the device dehumidified automatically, comprise the temperature sensor 1, the humidity sensor 2 that insert respectively in mechanism case, temperature sensor 1 is connected with the temperature controller 3 be arranged in mechanism case, humidity sensor 2 is connected with the humidity controller 4 be arranged in mechanism case, temperature controller 3 connects alarm unit 6, and humidity controller 4 connects Dehumidifying element 5, and power module A7 connection mechanism case 220V direct supply is each module for power supply; Wherein temperature sensor 1 collecting mechanism the temperature inside the box is to temperature controller 3, and temperature controls 3 and judges that being directly communicated with alarm unit 6 when reaching design temperature reports to the police, and is communicated with humidity controller 4 when judging not reach design temperature; Humidity sensor 2 collecting mechanism case humidity is to humidity controller 4, and humidity sensor 4 judges that being communicated with Dehumidifying element 5 when reaching setting humidity runs according to operation duration setting value, judges that returning temperature controller 3 when not reaching setting humidity judges temperature.
See Fig. 3, in apparatus of the present invention, Dehumidifying element 5 is connected with heat exchanger 9 by fan 8, and drying agent 10 is connected to bottom heat exchanger 9 by buckle 12, and power module B11 is that fan 8 and heat exchanger 9 are powered; Its fan 8 sucks air, after heat exchanger 9, moisture in air is condensed into the globule and flows in drying agent 10, dry air discharges Dehumidifying element thereupon, drying agent was taken off by buckle 12 after losing efficacy, install fixing by buckle 12 again after changing inefficacy drying agent, drying agent refers to silica type high activity sorbing material.
Claims (4)
1. electric power mechanism case controls a dehumanization method automatically, it is characterized in that, step is as follows:
1) start;
2) dehydrating unit self-inspection;
3) dehydrating unit whether fault is judged according to self-detection result;
4) various setting value is read;
5) serviceability temperature transducer detecting mechanism the temperature inside the box;
6) whether decision mechanism the temperature inside the box is overheated;
7) humidity sensor testing agency case humidity is used;
8) whether decision mechanism case humidity is too high;
9) dehydrating unit runs according to operation duration setting value;
10) whether decision mechanism case humidity difference exceedes setting value;
11) dehydrating unit is according to the standby rest of standby time setting value;
12) device is reported to the police;
Wherein: the various setting value of described reading comprises: read desired temperature, read humidity set point, read dehydrating unit operation duration setting value, read psychrometric difference setting value, read dehydrating unit standby time setting value;
Described serviceability temperature transducer detecting mechanism the temperature inside the box adopts thermocouple sensor;
Whether described decision mechanism the temperature inside the box is overheated is that thermocouple sensor collecting temperature value is greater than unit temp setting value;
Described use humidity sensor testing agency case humidity adopts humicap type sensor;
Whether described decision mechanism case humidity is too high is that humicap type sensor collection humidity value is greater than device humidity set point;
Whether described decision mechanism case humidity difference exceedes setting value comprises: in humicap type sensor collecting mechanism case, before and after dehydrating unit operation, psychrometric difference is greater than psychrometric difference setting value.
2. a kind of electric power mechanism case according to claim 1 controls the device of dehumidifying automatically, it is characterized in that:
Comprise the temperature sensor (1), the humidity sensor (2) that insert respectively in mechanism case, temperature sensor (1) is connected with the temperature controller be arranged in mechanism case (3), humidity sensor (2) is connected with the humidity controller be arranged in mechanism case (4), temperature controller (3) connects alarm unit (6), humidity controller (4) connects Dehumidifying element (5), power module A(7) connection mechanism case 220V direct supply is each module for power supply; Wherein temperature sensor (1) collecting mechanism the temperature inside the box is to temperature controller (3), and temperature controls (3) and judges that being directly communicated with alarm unit (6) when reaching design temperature reports to the police, and is communicated with humidity controller (4) when judging not reach design temperature; Humidity sensor (2) collecting mechanism case humidity is to humidity controller (4), humidity sensor (4) judges that being communicated with Dehumidifying element (5) when reaching setting humidity runs according to operation duration setting value, judges that returning temperature controller (3) when not reaching setting humidity judges temperature.
3. a kind of electric power mechanism case according to claim 2 controls the device of dehumidifying automatically, it is characterized in that: Dehumidifying element (5) is connected with heat exchanger (9) by fan (8), drying agent (10) is connected to heat exchanger (9) bottom by buckle (12), power module B(11) be fan (8) and heat exchanger (9) power supply; Its fan (8) sucks air, after heat exchanger (9), moisture in air is condensed into the globule and flows in drying agent (10), dry air discharges Dehumidifying element thereupon, drying agent was taken off by buckle (12) after losing efficacy, installed fixing after changing inefficacy drying agent again by buckle (12), drying agent refers to silica type high activity sorbing material.
4. a kind of electric power mechanism case according to claim 2 controls dehydrating unit automatically, it is characterized in that: described temperature sensor (1) adopts thermocouple sensor, and humidity sensor (2) adopts humicap type sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510099553.1A CN104656721A (en) | 2015-03-06 | 2015-03-06 | Method and device for automatically controlling dehumidification of mechanism case for electrical power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510099553.1A CN104656721A (en) | 2015-03-06 | 2015-03-06 | Method and device for automatically controlling dehumidification of mechanism case for electrical power |
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| CN104656721A true CN104656721A (en) | 2015-05-27 |
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| CN201510099553.1A Pending CN104656721A (en) | 2015-03-06 | 2015-03-06 | Method and device for automatically controlling dehumidification of mechanism case for electrical power |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283001A (en) * | 2018-11-12 | 2019-01-29 | 云南电网有限责任公司保山供电局 | It is a kind of for verifying the equipment and its application method of moisture-proof condensation device effect on moisture extraction |
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| KR20060028546A (en) * | 2004-09-25 | 2006-03-30 | 주식회사 인투알 | A moisture bunjin of a kaebines lac and clearance device which purchases we crawl |
| CN201045645Y (en) * | 2007-05-30 | 2008-04-09 | 卓越防潮科技股份有限公司 | Microcomputer ultralow moisture-resistant cabinet controller |
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| US20120020015A1 (en) * | 2010-07-23 | 2012-01-26 | Hon Hai Precision Industry Co., Ltd. | Computer case with dehumidification |
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| CN109283001A (en) * | 2018-11-12 | 2019-01-29 | 云南电网有限责任公司保山供电局 | It is a kind of for verifying the equipment and its application method of moisture-proof condensation device effect on moisture extraction |
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Application publication date: 20150527 |