CN103956661B - A kind of switch cubicle and dewing-proof method - Google Patents
A kind of switch cubicle and dewing-proof method Download PDFInfo
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- CN103956661B CN103956661B CN201410187425.8A CN201410187425A CN103956661B CN 103956661 B CN103956661 B CN 103956661B CN 201410187425 A CN201410187425 A CN 201410187425A CN 103956661 B CN103956661 B CN 103956661B
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Abstract
The present invention relates to a kind of switch cubicle and dewing-proof method, switch cubicle includes in cabinet, cabinet and is provided with at least three temperature collecting devices, and at least two humidity collectors; Described cabinet is outside equipped with a temperature collecting device and a humidity collector; Control module, heating and dehumidification device and air exhausting device is provided with in described cabinet; Described heating and dehumidification device is connected with control module with the control circuit of air exhausting device; Power supply is provided with for providing power supply for temperature collecting device, humidity collector, control module, heating and dehumidification device and air exhausting device in cabinet; Described temperature collecting device, humidity collector are connected with control module.
Description
Technical field
The invention belongs to technical field of electricity, the switch cubicle of a kind of switch cubicle dewing-proof method and use the method.
Background technology
In the territory of use of switch cubicle, particularly area of heavy rainfull, the high humidity in air, particularly in spring or autumn and winter season, the temperature difference of environment is large, in switch cubicle, have dew condensation phenomenon.The humidity collector used in existing switch cubicle is generally condensation transducer, and the condition of work of condensation transducer has monitored condensation could start heating or air exhausting device, and condensation transducer is by the restriction of environment for use, its sensitivity can change, but at this moment condensation occurs, cause to the harm of switchgear.
In order to overcome the defect of the condensation transducer of existing use, existing had technology to propose to use temperature sensor, carrys out heater in control switch cabinet or air exhausting device starts by the temperature difference inside and outside monitoring switch cabinet.And realize generation anti-condensation in advance by the temperature in control switch cabinet higher than the way of the temperature in the external world.Such technical scheme is compared with use condensation transducer, has considerable progress, and effectively can prevent the generation of dew condensation phenomenon.But such technical scheme is Shortcomings part still, when being exactly the ambient temperature differences with the external world in maintained switch cabinet, need to use the too much energy to bring energy consumption, and, variations in temperature in switch cubicle is only the main cause that condensation produces, but existing technology and method are not all mentioned this.
Summary of the invention
The object of the invention is to propose improvement opportunity scheme to existing switch cubicle dewing-proof method, by the technical program, can realize not only reducing energy consumption in anti-condensation in switch cubicle, and preventive effect is better; Also the anti-condensation system of switch cubicle is improved in this application simultaneously.
The present invention is achieved by the following technical solutions:
A kind of switch cubicle, includes in cabinet, cabinet and is provided with at least two temperature collecting devices, and at least two humidity collectors; Described cabinet is outside equipped with a temperature collecting device and a humidity collector; Control module, heating and dehumidification device and air exhausting device is provided with in described cabinet; Described heating and dehumidification device is connected with control module with the control circuit of air exhausting device; Power supply is provided with for providing power supply for temperature collecting device, humidity collector, control module, heating and dehumidification device and air exhausting device in cabinet; Described temperature collecting device, humidity collector are connected with control module.
Described cabinet is also provided with warning and display module; Described warning is connected with the PORT COM of control module with display module.
Described temperature collecting device is temperature sensor; Described humidity collector is humidity sensor.
Temperature collecting device in described cabinet is three, is arranged in the upper, middle and lower in cabinet respectively.
A kind of dewing-proof method, includes following steps:
1) three temperature collecting devices in cabinet by the real time temperature signal transmission that collects to control module, by storing after control module calculating mean value; Humidity collector in cabinet stores after the real-time humidity signal transmission control module calculating mean value collected; Temperature collecting device outside cabinet and humidity collector by the temperature and humidity signal transmission of Real-time Collection to control module;
2) first, the humidity mean value in cabinet and the humidity value outside cabinet contrast by control module, if the humidity mean value in cabinet is less than 60%, and the humidity value outside cabinet is less than 60%, then by step 3) control; If the humidity mean value in cabinet is greater than 60%, and the humidity value outside cabinet is greater than 60%, then by step 4) control; If the humidity mean value in cabinet is less than 60%, and the humidity value outside cabinet is greater than 60%, or the humidity mean value in cabinet is greater than 60%, and the humidity value outside cabinet is less than 60% is by step 5) control;
3) during temperature averages≤10 DEG C in cabinet, and during temperature≤10 DEG C outside cabinet, the control circuit that control module controls heating and dehumidification device starts, and during temperature averages >=15 DEG C in cabinet, heating and dehumidification device stops heating;
During temperature averages >=50 DEG C in cabinet, the control circuit that control module controls air exhausting device starts, and during in-cabinet temperature≤45 DEG C, air exhausting device is out of service;
4) during temperature averages≤10 DEG C in cabinet, and during temperature≤10 DEG C outside cabinet, the control circuit that control module controls heating and dehumidification device starts, and during temperature averages >=15 DEG C in cabinet, heating and dehumidification device stops heating;
During temperature averages >=50 DEG C in cabinet, the control circuit that control module controls air exhausting device starts, and during in-cabinet temperature≤45 DEG C, air exhausting device is out of service;
When temperature averages in cabinet is between 10 DEG C to 50 DEG C, control module calculates the value of a rear time and the difference of last time value of mean temperature in cabinet, when this difference is greater than 2 DEG C, the control circuit of control module heating and dehumidification device starts, when the difference calculating a rear time value in the mean value in cabinet and last time value when control module is less than 1 DEG C, heating and dehumidification device is out of service;
5) control module calculates the difference of the temperature outward of real time temperature mean value and cabinet in cabinet, during absolute value≤3 DEG C of difference, by step 3) control; All the other scopes are by step 4) control.
The invention has the beneficial effects as follows:
By technical scheme of the present invention, by the real-time difference of accounting temperature in cabinet, the dew condensation phenomenon occurred during the variations in temperature in cabinet effectively can be prevented.
Accompanying drawing explanation
Fig. 1 is the switch cabinet structure schematic diagram of one embodiment of the invention.
Embodiment
Describe technical scheme of the present invention in detail by the following examples, following embodiment can be only exemplary, only can be used for explaining and technical scheme of the present invention being described, and can not be interpreted as being the restriction to technical solution of the present invention.
Figure 1 shows that the schematic diagram of one embodiment of the invention, anti-condensation switch cabinet 2, include cabinet 1, cabinet is in this application prior art, do not need to improve cabinet namely can realize the technical program at this, therefore, the application technical scheme to existing switch cubicle upgrade very simple.
Be provided with three temperature sensors in cabinet, use infrared temperature sensor and at least two humidity sensors in the present embodiment; Described cabinet is outside equipped with a temperature sensor and a humidity sensor; Being provided with the control module that control module uses in the present embodiment in described cabinet is microprocessor, in other embodiments, can select and there is calculating and the central processing module of memory function all can realize the technical scheme of the application, heating and dehumidification device and air exhausting device; Described heating and dehumidification device is connected with control module with the control circuit of air exhausting device; Power supply is provided with for providing power supply for temperature sensor, humidity sensor, control module, heating and dehumidification device and air exhausting device in cabinet; Described temperature sensor, humidity sensor are connected with control module.
Described cabinet is also provided with warning and display module; Described warning is connected with the PORT COM of control module with display module.
Three temperature sensors in described cabinet are arranged in the upper, middle and lower in cabinet.
Be used in a kind of dewing-proof method of the switch cubicle of the application, include following steps:
A kind of dewing-proof method, includes following steps:
1) three temperature collecting devices in cabinet by the real time temperature signal transmission that collects to control module, by storing after control module calculating mean value; Humidity collector in cabinet stores after the real-time humidity signal transmission control module calculating mean value collected; Temperature collecting device outside cabinet and humidity collector by the temperature and humidity signal transmission of Real-time Collection to control module;
2) first, the humidity mean value in cabinet and the humidity value outside cabinet contrast by control module, if the humidity mean value in cabinet is less than 60%, and the humidity value outside cabinet is less than 60%, then by step 3) control; If the humidity mean value in cabinet is greater than 60%, and the humidity value outside cabinet is greater than 60%, then by step 4) control; If the humidity mean value in cabinet is less than 60%, and the humidity value outside cabinet is greater than 60%, or the humidity mean value in cabinet is greater than 60%, and the humidity value outside cabinet is less than 60% is by step 5) control;
3) during temperature averages≤10 DEG C in cabinet, and during temperature≤10 DEG C outside cabinet, the control circuit that control module controls heating and dehumidification device starts, and during temperature averages >=15 DEG C in cabinet, heating and dehumidification device stops heating;
During temperature averages >=50 DEG C in cabinet, the control circuit that control module controls air exhausting device starts, and during in-cabinet temperature≤45 DEG C, air exhausting device is out of service;
4) during temperature averages≤10 DEG C in cabinet, and during temperature≤10 DEG C outside cabinet, the control circuit that control module controls heating and dehumidification device starts, and during temperature averages >=15 DEG C in cabinet, heating and dehumidification device stops heating;
During temperature averages >=50 DEG C in cabinet, the control circuit that control module controls air exhausting device starts, and during in-cabinet temperature≤45 DEG C, air exhausting device is out of service;
When temperature averages in cabinet is between 10 DEG C to 50 DEG C, control module calculates the value of a rear time and the difference of last time value of mean temperature in cabinet, when this difference is greater than 2 DEG C, the control circuit of control module heating and dehumidification device starts, when the difference calculating a rear time value in the mean value in cabinet and last time value when control module is less than 1 DEG C, heating and dehumidification device is out of service;
5) control module calculates the difference of the temperature outward of real time temperature mean value and cabinet in cabinet, during absolute value≤3 DEG C of difference, by step 3) control; All the other scopes are by step 4) control.
In the point of the temperature averages used in the present embodiment, 10 DEG C and 50 DEG C can change according to the area used in other embodiments, and the scope that this application claims protection is control method, instead of temperature value.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (4)
1. a dewing-proof method for switch cubicle, this switch cubicle includes in cabinet, cabinet and is provided with at least two temperature collecting devices, and at least two humidity collectors; Described cabinet is outside equipped with a temperature collecting device and a humidity collector; Control module, heating and dehumidification device and air exhausting device is provided with in described cabinet; Described heating and dehumidification device is connected with control module with the control circuit of air exhausting device; Power supply is provided with for providing power supply for temperature collecting device, humidity collector, control module, heating and dehumidification device and air exhausting device in cabinet; Described temperature collecting device, humidity collector are connected with control module, it is characterized in that: include following steps:
1) three temperature collecting devices in cabinet by the real time temperature signal transmission that collects to control module, by storing after control module calculating mean value; Humidity collector in cabinet stores after the real-time humidity signal transmission control module calculating mean value collected; Temperature collecting device outside cabinet and humidity collector by the temperature and humidity signal transmission of Real-time Collection to control module;
2) first, the humidity mean value in cabinet and the humidity value outside cabinet contrast by control module, if the humidity mean value in cabinet is less than 60%, and the humidity value outside cabinet is less than 60%, then by step 3) control; If the humidity mean value in cabinet is greater than 60%, and the humidity value outside cabinet is greater than 60%, then by step 4) control; If the humidity mean value in cabinet is less than 60%, and the humidity value outside cabinet is greater than 60%, or the humidity mean value in cabinet is greater than 60%, and the humidity value outside cabinet is less than 60% is by step 5) control;
3) during temperature averages≤10 DEG C in cabinet, and during temperature≤10 DEG C outside cabinet, the control circuit that control module controls heating and dehumidification device starts, and during temperature averages >=15 DEG C in cabinet, heating and dehumidification device stops heating;
During temperature averages >=50 DEG C in cabinet, the control circuit that control module controls air exhausting device starts, and during in-cabinet temperature≤45 DEG C, air exhausting device is out of service;
4) during temperature averages≤10 DEG C in cabinet, and during temperature≤10 DEG C outside cabinet, the control circuit that control module controls heating and dehumidification device starts, and during temperature averages >=15 DEG C in cabinet, heating and dehumidification device stops heating;
During temperature averages >=50 DEG C in cabinet, the control circuit that control module controls air exhausting device starts, and during in-cabinet temperature≤45 DEG C, air exhausting device is out of service;
When temperature averages in cabinet is between 10 DEG C to 50 DEG C, control module calculates the value of a rear time and the difference of last time value of mean temperature in cabinet, when this difference is greater than 2 DEG C, the control circuit of control module heating and dehumidification device starts, when the difference calculating a rear time value in the mean value in cabinet and last time value when control module is less than 1 DEG C, heating and dehumidification device is out of service;
5) control module calculates the difference of the temperature outward of real time temperature mean value and cabinet in cabinet, during absolute value≤3 DEG C of difference, by step 3) control; All the other scopes are by step 4) control.
2. the dewing-proof method of a kind of switch cubicle according to claim 1, is characterized in that: described cabinet is also provided with warning and display module; Described warning is connected with the PORT COM of control module with display module.
3. the dewing-proof method of a kind of switch cubicle according to claim 1, is characterized in that: described temperature collecting device is temperature sensor; Described humidity collector is humidity sensor.
4. the dewing-proof method of a kind of switch cubicle according to claim 1, is characterized in that: the temperature collecting device in described cabinet is three, is arranged in the upper, middle and lower in cabinet respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187425.8A CN103956661B (en) | 2014-05-04 | 2014-05-04 | A kind of switch cubicle and dewing-proof method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410187425.8A CN103956661B (en) | 2014-05-04 | 2014-05-04 | A kind of switch cubicle and dewing-proof method |
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| CN103956661A CN103956661A (en) | 2014-07-30 |
| CN103956661B true CN103956661B (en) | 2016-02-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105514820B (en) * | 2015-11-24 | 2017-07-14 | 国网河南省电力公司平顶山供电公司 | A kind of anti-condensation monitoring system of communication base station electrical control cabinet |
| CN113659476A (en) * | 2021-09-11 | 2021-11-16 | 国网山东省电力公司烟台供电公司 | Anti-condensation self-starting ventilation device and anti-condensation method for 10kV ring main unit |
| CN116231473B (en) * | 2023-05-11 | 2023-07-21 | 泰森电气有限公司 | Switch board with automatic alarm function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5364024A (en) * | 1993-05-07 | 1994-11-15 | Feng Lin | Application independent, portable room temperature and humidity controller |
| CN101783482A (en) * | 2009-01-16 | 2010-07-21 | 常州帕斯菲克自动化技术有限公司 | Intelligent temperature difference type condensation-preventing controller for switchgear and method thereof |
| CN202583923U (en) * | 2012-05-03 | 2012-12-05 | 长春工程学院 | Fuzzy power-adjusting condensation controller |
| CN103944080A (en) * | 2014-05-04 | 2014-07-23 | 宁波穆勒电气有限公司 | Condensation-preventing switch cabinet and condensation-preventing method |
-
2014
- 2014-05-04 CN CN201410187425.8A patent/CN103956661B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5364024A (en) * | 1993-05-07 | 1994-11-15 | Feng Lin | Application independent, portable room temperature and humidity controller |
| CN101783482A (en) * | 2009-01-16 | 2010-07-21 | 常州帕斯菲克自动化技术有限公司 | Intelligent temperature difference type condensation-preventing controller for switchgear and method thereof |
| CN202583923U (en) * | 2012-05-03 | 2012-12-05 | 长春工程学院 | Fuzzy power-adjusting condensation controller |
| CN103944080A (en) * | 2014-05-04 | 2014-07-23 | 宁波穆勒电气有限公司 | Condensation-preventing switch cabinet and condensation-preventing method |
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| CN103956661A (en) | 2014-07-30 |
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Address after: 315040 5-18-9, building 66, Pioneer Road, academician Road, hi tech Zone, Zhejiang, Ningbo Applicant after: NINGBO MOELLER ELECTRIC CO., LTD. Address before: 315040 5-18-9, building 66, Pioneer Road, academician Road, hi tech Zone, Zhejiang, Ningbo Applicant before: NINGBO MOELLER ELECTRIC CO., LTD. |
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Granted publication date: 20160217 Termination date: 20200504 |