CN103956661A - Switch cabinet and condensation preventing method - Google Patents
Switch cabinet and condensation preventing method Download PDFInfo
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- CN103956661A CN103956661A CN201410187425.8A CN201410187425A CN103956661A CN 103956661 A CN103956661 A CN 103956661A CN 201410187425 A CN201410187425 A CN 201410187425A CN 103956661 A CN103956661 A CN 103956661A
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Abstract
The invention relates to a switch cabinet and a condensation preventing method. The switch cabinet comprises a cabinet body, wherein at least three temperature collecting devices and at least two humidity collecting devices are arranged inside the cabinet body; one temperature collecting device and one humidity collecting device are arranged inside the cabinet body; a control module, a heating dehumidification device and an exhaust device are arranged inside the cabinet; a control circuit of the heating dehumidification device and the exhaust device is connected with the control module; a power supply used for providing power for the temperature collecting devices, the humidity collecting devices, the control module, the heating dehumidification device and the exhaust device is arranged inside the cabinet body; the temperature collecting devices and the humidity collecting devices are connected with the 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, area of heavy rainfull particularly, airborne high humidity, particularly in spring or autumn and winter season, the temperature difference of environment is large, has dewfall phenomenon in switch cubicle.The humidity collector using in existing switch cubicle is generally condensation transducer, and the condition of work of condensation transducer is to have monitored condensation could start heating or air exhausting device, and condensation transducer is subject to 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, by the temperature difference inside and outside monitoring switch cabinet, comes heater or air exhausting device in control switch cabinet to start.And higher than the way of extraneous temperature, realize pre-anti-condensation generation by the temperature in control switch cabinet.Such technical scheme, with using condensation transducer to compare, has considerable progress, and can effectively prevent the generation of condensation phenomenon.But such technical scheme is Shortcomings part still, be exactly in maintained switch cabinet during with extraneous ambient temperature differences, 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 existing switch cubicle dewing-proof method to propose to improve technical scheme, by the technical program, can realize and not only reduce 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 switch cubicle, includes and in cabinet, cabinet, 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; In described cabinet, be provided with control module, heating and dehumidification device and air exhausting device; The control circuit of described heating and dehumidification device and air exhausting device is connected with control module; In cabinet, being provided with power supply is used to temperature collecting device, humidity collector, control module, heating and dehumidification device and air exhausting device that power supply is provided; Described temperature collecting device, humidity collector are connected with control module.
On described cabinet, be also provided with and report to the police 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 temperature sensor.
Temperature collecting device in described cabinet is three, is arranged in respectively the upper, middle and lower in cabinet.
A dewing-proof method, includes following steps:
1) three temperature collecting devices in cabinet pass to control module by the real time temperature signal collecting, by storing after control module calculating mean value; Humidity collector in cabinet is stored after the real-time moisture signal collecting is transmitted to control module calculating mean value; Temperature collecting device outside cabinet and humidity collector pass to control module by the temperature and humidity signal of Real-time Collection;
2) first, control module contrasts the humidity value outside the humidity mean value in cabinet and cabinet, if the humidity mean value in cabinet is less than 60%, and the humidity value outside cabinet is less than 60%, 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%, 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 to be less than 60% be by step 5) control;
3) during temperature-averaging value≤10 in cabinet ℃, and during temperature≤10 outside cabinet ℃, the control circuit that control module is controlled heating and dehumidification device starts, and during temperature >=15 ℃, heating and dehumidification device stops heating;
During temperature-averaging value >=50 in cabinet ℃, the control circuit that control module is controlled air exhausting device starts, and during in-cabinet temperature≤45 ℃, air exhausting device is out of service;
4) during temperature-averaging value≤10 in cabinet ℃, and during temperature≤10 outside cabinet ℃, the control circuit that control module is controlled heating and dehumidification device starts, and during temperature >=15 ℃, heating and dehumidification device stops heating;
During temperature-averaging value >=50 in cabinet ℃, the control circuit that control module is controlled air exhausting device starts, and during in-cabinet temperature≤45 ℃, air exhausting device is out of service;
Temperature-averaging value in cabinet is between 10 ℃ to 50 ℃ time, in control module calculating cabinet, the value of a rear time of mean temperature and last time value is poor, when this difference is greater than 2 ℃, the control circuit of control module heating and dehumidification device starts, when the rear time value in the mean value in control module is calculated cabinet and the difference of last time value are less than 1 ℃, heating and dehumidification device is out of service;
5) control module is calculated in cabinet real time temperature mean value and the cabinet difference of temperature outward, and the absolute value of difference is between 3 ℃ time, 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 condensation phenomenon occurring in the time of can effectively preventing the variations in temperature in cabinet.
Accompanying drawing explanation
Fig. 1 is the switch cabinet structure schematic diagram of one embodiment of the invention.
Embodiment
Describe by the following examples technical scheme of the present invention in detail, following embodiment can be only exemplary, only can be used for explaining and technical scheme of the present invention being described, and can not to be interpreted as is 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 cubicle 2, include cabinet 1, cabinet is in this application prior art, at this, do not need cabinet to improve and can realize the technical program, therefore, the application's technical scheme is very simple to now having upgraded at the switch cubicle of use.
In cabinet, be provided with three temperature sensors, what use in the present embodiment is infrared temperature sensor and at least two humidity sensors; Described cabinet is outside equipped with a temperature sensor and a humidity sensor; In described cabinet, being provided with the control module that control module used is in the present embodiment microprocessor, in other embodiments, can select to have and calculate and the central processing module of memory function all can be realized the application's technical scheme, heating and dehumidification device and air exhausting device; The control circuit of described heating and dehumidification device and air exhausting device is connected with control module; In cabinet, being provided with power supply is used to temperature sensor, humidity sensor, control module, heating and dehumidification device and air exhausting device that power supply is provided; Described temperature sensor, humidity sensor are connected with control module.
On described cabinet, be also provided with and report to the police 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.
A kind of dewing-proof method that is used in the application's switch cubicle, includes following steps:
A dewing-proof method, includes following steps:
1) three temperature collecting devices in cabinet pass to control module by the real time temperature signal collecting, by storing after control module calculating mean value; Humidity collector in cabinet is stored after the real-time moisture signal collecting is transmitted to control module calculating mean value; Temperature collecting device outside cabinet and humidity collector pass to control module by the temperature and humidity signal of Real-time Collection;
2) first, control module contrasts the humidity value outside the humidity mean value in cabinet and cabinet, if the humidity mean value in cabinet is less than 60%, and the humidity value outside cabinet is less than 60%, 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%, 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 to be less than 60% be by step 5) control;
3) during temperature-averaging value≤10 in cabinet ℃, and during temperature≤10 outside cabinet ℃, the control circuit that control module is controlled heating and dehumidification device starts, and during temperature >=15 ℃, heating and dehumidification device stops heating;
During temperature-averaging value >=50 in cabinet ℃, the control circuit that control module is controlled air exhausting device starts, and during in-cabinet temperature≤45 ℃, air exhausting device is out of service;
4) during temperature-averaging value≤10 in cabinet ℃, and during temperature≤10 outside cabinet ℃, the control circuit that control module is controlled heating and dehumidification device starts, and during temperature >=15 ℃, heating and dehumidification device stops heating;
During temperature-averaging value >=50 in cabinet ℃, the control circuit that control module is controlled air exhausting device starts, and during in-cabinet temperature≤45 ℃, air exhausting device is out of service;
Temperature-averaging value in cabinet is between 10 ℃ to 50 ℃ time, in control module calculating cabinet, the value of a rear time of mean temperature and last time value is poor, when this difference is greater than 2 ℃, the control circuit of control module heating and dehumidification device starts, when the rear time value in the mean value in control module is calculated cabinet and the difference of last time value are less than 1 ℃, heating and dehumidification device is out of service;
5) control module is calculated in cabinet real time temperature mean value and the cabinet difference of temperature outward, and the absolute value of difference is between 3 ℃ time, by step 3) control; All the other scopes are by step 4) control.
In the point of the temperature-averaging value of using in the present embodiment, 10 ℃ and 50 ℃ can change according to the area of using in other embodiments, and the claimed scope of the application is control method, rather than temperature value.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.
Claims (5)
1. a switch cubicle, is characterized in that: include and in cabinet, cabinet, be 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; In described cabinet, be provided with control module, heating and dehumidification device and air exhausting device; The control circuit of described heating and dehumidification device and air exhausting device is connected with control module; In cabinet, being provided with power supply is used to temperature collecting device, humidity collector, control module, heating and dehumidification device and air exhausting device that power supply is provided; Described temperature collecting device, humidity collector are connected with control module.
2. switch cubicle according to claim 1, is characterized in that: on described cabinet, be also provided with and report to the police and display module; Described warning is connected with the PORT COM of control module with display module.
3. switch cubicle according to claim 1, is characterized in that: described temperature collecting device is temperature sensor; Described humidity collector is temperature sensor.
4. switch cubicle according to claim 1, is characterized in that: the temperature collecting device in described cabinet is three, is arranged in respectively the upper, middle and lower in cabinet.
5. a dewing-proof method, is characterized in that: include following steps:
1) three temperature collecting devices in cabinet pass to control module by the real time temperature signal collecting, by storing after control module calculating mean value; Humidity collector in cabinet is stored after the real-time moisture signal collecting is transmitted to control module calculating mean value; Temperature collecting device outside cabinet and humidity collector pass to control module by the temperature and humidity signal of Real-time Collection;
2) first, control module contrasts the humidity value outside the humidity mean value in cabinet and cabinet, if the humidity mean value in cabinet is less than 60%, and the humidity value outside cabinet is less than 60%, 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%, 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 to be less than 60% be by step 5) control;
3) during temperature-averaging value≤10 in cabinet ℃, and during temperature≤10 outside cabinet ℃, the control circuit that control module is controlled heating and dehumidification device starts, and during temperature >=15 ℃, heating and dehumidification device stops heating;
During temperature-averaging value >=50 in cabinet ℃, the control circuit that control module is controlled air exhausting device starts, and during in-cabinet temperature≤45 ℃, air exhausting device is out of service;
4) during temperature-averaging value≤10 in cabinet ℃, and during temperature≤10 outside cabinet ℃, the control circuit that control module is controlled heating and dehumidification device starts, and during temperature >=15 ℃, heating and dehumidification device stops heating;
During temperature-averaging value >=50 in cabinet ℃, the control circuit that control module is controlled air exhausting device starts, and during in-cabinet temperature≤45 ℃, air exhausting device is out of service;
Temperature-averaging value in cabinet is between 10 ℃ to 50 ℃ time, in control module calculating cabinet, the value of a rear time of mean temperature and last time value is poor, when this difference is greater than 2 ℃, the control circuit of control module heating and dehumidification device starts, when the rear time value in the mean value in control module is calculated cabinet and the difference of last time value are less than 1 ℃, heating and dehumidification device is out of service;
5) control module is calculated in cabinet real time temperature mean value and the cabinet difference of temperature outward, and the absolute value of difference is between 3 ℃ time, by step 3) control; All the other scopes are by step 4) control.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN103956661A true CN103956661A (en) | 2014-07-30 |
| CN103956661B CN103956661B (en) | 2016-02-17 |
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| CN201410187425.8A Expired - Fee Related CN103956661B (en) | 2014-05-04 | 2014-05-04 | A kind of switch cubicle and dewing-proof method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514820A (en) * | 2015-11-24 | 2016-04-20 | 国网河南省电力公司平顶山供电公司 | Anti-condensation and condensation monitor and control system for communication base station electric 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 |
| CN116231473A (en) * | 2023-05-11 | 2023-06-06 | 泰森电气有限公司 | Switch board with automatic alarm function |
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| 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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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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514820A (en) * | 2015-11-24 | 2016-04-20 | 国网河南省电力公司平顶山供电公司 | Anti-condensation and condensation monitor and control system for communication base station electric control cabinet |
| 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 |
| CN116231473A (en) * | 2023-05-11 | 2023-06-06 | 泰森电气有限公司 | Switch board with automatic alarm function |
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| Publication number | Publication date |
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| CN103956661B (en) | 2016-02-17 |
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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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