CN104460786A - Switch cabinet condensate monitoring and processing method - Google Patents
Switch cabinet condensate monitoring and processing method Download PDFInfo
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- CN104460786A CN104460786A CN201410603648.8A CN201410603648A CN104460786A CN 104460786 A CN104460786 A CN 104460786A CN 201410603648 A CN201410603648 A CN 201410603648A CN 104460786 A CN104460786 A CN 104460786A
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Abstract
The invention discloses a switch cabinet condensate monitoring and processing method. The method concretely includes the following steps that a normal condensate threshold value in a switch cabinet and a normal inside and outside temperature difference threshold value of the switch cabinet are preset; condensate parameters in the switch cabinet are acquired according to a preset period; the acquired condensate parameters are collected so that an average condensate parameter can be obtained, then, the average condensate parameter is compared with the preset normal threshold value, details are described as follows, if the obtained average condensate parameter is lower than the normal condensate threshold value, the time interval of the condensate acquisition period in the switch cabinet is prolonged, if the obtained average condensate parameter is higher than the normal condensate threshold value, a dehumidification device is controlled to remove condensate till the condensate parameter is equal to the normal threshold value, and meanwhile the nest step starts; a temperature parameter in the switch cabinet and an outdoor temperature parameter are acquired in real time according to a preset frequency so that a temperature difference threshold value can be obtained, and comparison is performed according to the obtained temperature difference threshold value and the normal temperature difference threshold value. The method is simple, easy to achieve and capable of effectively controlling condensate of the switch cabinet.
Description
Technical field
The present invention relates to a kind of condensation method for supervising, particularly relate to the monitoring of a kind of condensation of switch cabinet and disposal route, belong to monitoring field.
Background technology
China adopts Automatic-heating dehumidifying controller to prevent condensation from having more than ten years history in switch cubicle, this heating and dehumidification controller serves positive role at moisture resistant, anti-condensation guarantee high-tension apparatus reliability service, but in the area application had, also there are some problems, switch cubicle, as the visual plant of power distribution, plays very important effect in electric power netting safe running.By to switch cubicle long-time running data analysis, condensation is the greatest problem causing the accidents such as high-low pressure cabinet, middle-placed switch cabinet, terminal box, and the anti-condensation work carrying out switch cubicle will be the requisite measure ensureing switch cubicle safe operation.Condensation is the steam in air when reaching supersaturation, and run into after cryogenic object reaches dewpoint temperature, steam is in the phenomenon of cryogenic object surface liquefaction.
Such as: at southern plum rain season, sometimes the air humidity of inside switch cabinet is higher, the even existing dew condensation phenomenon in local in switch cubicle, because the position being arranged on the condensation sensor of cabinet inside does not arrive the degree of condensation, or, condensation sensor is for a long time by dust in air and gas pickling, and the sensitivity of sensor is affected, and condensation controller can not start well heater in time.The effect causing condensation to control is malfunctioning, brings threat to the safety of switchgear.Novel high tension switchgear inner space is very compact, for ensureing at high humidity local dielectric level, assurance device reliably working, more requirement is proposed to moistureproof, anti-condensation in cabinet, in the industry measurement and control system of high control precision and low cost, single-chip microcomputer is usually adopted to replace the high requirement of analog controller as digitial controller.
Such as application number is a kind of Intelligent anti-condensation integrated control system for transformer substation of " 201110289625.0 ".The object of this invention is the multi-media Integrate Intelligent Control being realized the anti-condensation system of transformer station by fieldbus and advanced processor control technology.Specifically comprise the industrial control mainboard of connection control load module and display module, connected the Temperature and Humidity Control unit of multiple outdoor cabinet by fieldbus.The Temperature and Humidity Control unit of outdoor cabinet comprises the controller connecting Temperature Humidity Sensor, is connected and control blower fan and well heater by controller.The Temperature and Humidity Control unit of outdoor cabinet is connected with fieldbus by controller, thus is subject to the regulation and control of industrial control mainboard.Utilize the present invention can realize monitoring in real time the integrated form of outdoor cabinet epidemic disaster information, and carry out modularization intelligent regulation and control, reduce equipment invalid service time, the stability of the system that tightens control, increase the service life, increase work efficiency, reach cost-saving effect.Although this invention achieves intelligent antifogging function, still there is very large progressive space at condensation detection and control, and accuracy of detection also needs to be optimized further, dehumidifying and detection better do not combine.
And for example application number is a kind of anti-condensation control system based on wireless network of " 201220267397.7 ", comprise microprocessor, heating plate, fan, Temperature Humidity Sensor, WSN communication node and power module, described heating plate is connected with microprocessor by the first driving circuit, described fan is connected with microprocessor by the second driving circuit, described Temperature Humidity Sensor is all connected with microprocessor with WSN communication node, and described heating plate is provided with D.C mutual-inductor.This utility model is based on the anti-condensation control system of wireless network, by the monitoring of D.C mutual-inductor to heating plate, fan work electric current, and then judge whether heating plate, fan normally run, avoid heating plate, fan causes because self damages does not normally run when should normally run, situation about normally running occurred when should not run, achieve the monitoring of better dew condensation phenomenon and protection, it also avoid the generation of peril.Although this invention achieves intelligent antifogging function, still there is very large progressive space at condensation detection and control, and accuracy of detection also needs to be optimized further, dehumidifying and detection better do not combine.
Summary of the invention
Technical matters to be solved by this invention provides the monitoring of a kind of condensation of switch cabinet and disposal route for the deficiency of background technology, it adopts condensation sensor matrices to detect the accurate detected parameters of condensation, according to circumstances can remove condensation in real time, more can gauge tap cabinet internal-external temperature difference effectively, better extend the service time of equipment.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of condensation of switch cabinet monitoring and disposal route, specifically comprise following steps:
Step 1, condensation normality threshold in preset switches cabinet, and the inside and outside normal temperature range of switch cubicle;
Step 2, gathers condensation parameter in switch cubicle according to predetermined period;
Step 3, carries out gathering according to the condensation parameter of step 2 collection and obtains average condensation parameter, and then contrast with default normality threshold, specific as follows:
Step 3.1, if the average condensation parameter obtained is lower than condensation normality threshold, then expands the time interval of condensation collection period in switch cubicle;
Step 3.2, if the average condensation parameter obtained is higher than condensation normality threshold, then controls dehydrating unit and removes condensation until condensation parameter equals normality threshold, enter step 4 simultaneously;
Step 4, according in predeterminated frequency Real-time Collection switch cubicle and outdoor temperature parameter draw temperature difference threshold value;
Step 5, the temperature difference threshold value drawn according to step 4 and normal temperature range contrast, if temperature difference threshold value is not in normal temperature range, then make the following judgment:
Step 5.1, if switch in-cabinet temperature is lower than outdoor temperature, then controls heating arrangement and carries out heating direct to temperature difference threshold value in normal temperature range;
Step 5.2, if switch in-cabinet temperature is higher than outdoor temperature, then controls refrigerating plant and carries out lowering the temperature until temperature difference threshold value is in normal temperature range.
As the monitoring of a kind of condensation of switch cabinet of the present invention and the further preferred version of disposal route, in step 2, described predetermined period is 5 seconds.
As the monitoring of a kind of condensation of switch cabinet of the present invention and the further preferred version of disposal route, in step 2, condensation parameter in condensation sensor matrices collection switch cubicle be made up of multiple condensation sensor is adopted.
As the monitoring of a kind of condensation of switch cabinet of the present invention and the further preferred version of disposal route, described dehydrating unit is dehumidifier.
As the monitoring of a kind of condensation of switch cabinet of the present invention and the further preferred version of disposal route, in step 4, internal and external temperature in temperature sensor Real-time Collection switch cubicle is adopted.
As the monitoring of a kind of condensation of switch cabinet of the present invention and the further preferred version of disposal route, described condensation sensor model number is HDP-07.
As the monitoring of a kind of condensation of switch cabinet of the present invention and the further preferred version of disposal route, described condensation sensor matrices is the 3*3 matrix be made up of condensation sensor.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1, the inventive method simple, be easy to realize and low-power consumption, microminiaturization, cost is low, precision is high;
2, the present invention adopts condensation sensor matrices to carry out condensation detection, and can remove condensation in time, substantially increases the serviceable life of accuracy of detection and equipment;
3, the present invention is by temperature sensor real-time detector switch cabinet internal-external temperature difference, in the process removing condensation, can control the temperature difference in real time.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
As shown in Figure 1, a kind of condensation of switch cabinet monitoring and disposal route, specifically comprise following steps:
Step 1, condensation normality threshold in preset switches cabinet, and the inside and outside normal temperature range of switch cubicle;
Step 2, gathers condensation parameter in switch cubicle according to predetermined period;
Step 3, carries out gathering according to the condensation parameter of step 2 collection and obtains average condensation parameter, and then contrast with default normality threshold, specific as follows:
Step 3.1, if the average condensation parameter obtained is lower than condensation normality threshold, then expands the time interval of condensation collection period in switch cubicle;
Step 3.2, if the average condensation parameter obtained is higher than condensation normality threshold, then controls dehydrating unit and removes condensation until condensation parameter equals normality threshold, enter step 4 simultaneously;
Step 4, according in predeterminated frequency Real-time Collection switch cubicle and outdoor temperature parameter draw temperature difference threshold value;
Step 5, the temperature difference threshold value drawn according to step 4 and normal temperature range contrast, if temperature difference threshold value is not in normal temperature range, then make the following judgment:
Step 5.1, if switch in-cabinet temperature is lower than outdoor temperature, then controls heating arrangement and carries out heating direct to temperature difference threshold value in normal temperature range;
Step 5.2, if switch in-cabinet temperature is higher than outdoor temperature, then controls refrigerating plant and carries out lowering the temperature until temperature difference threshold value is in normal temperature range.
Wherein, in step 2, described predetermined period is 5 seconds, in step 2, adopt the condensation sensor matrices be made up of multiple condensation sensor to gather condensation parameter in switch cubicle, described dehydrating unit is dehumidifier, in step 4, adopt internal and external temperature in temperature sensor Real-time Collection switch cubicle, described condensation sensor model number is HDP-07, and described condensation sensor matrices is the 3*3 matrix be made up of condensation sensor.
Signals collecting is the condensation sensor HDP-07 adopted, synthesis precision is relatively high, applicable environment temperature is 0 DEG C ~+60 DEG C, this condensation sensor is positive characteristic switching mode element, insensitive and only responsive to high humidity to low humidity, be best suited for the occasion needing to control high humility, condensation, the condensation meeting very much high-voltage board is measured.
The detection of condensation is all generally adopt single-sensor to measure, and because certain some condensation may to alter a great deal and sensor dispatches from the factory the slightly difference such as parameter, these factors all add measuring error.The present invention improves based on condensation sensor measuring system traditional.Hardware utilize HDP-07 condensation sensor form the array of 3*3, adopt distribution array formula multi-point average metering system, effectively eliminate measuring error that the defect due to sensor individuals itself brings and decrease the stochastic error or reproducibility error that produce due to sensor chip creep, significantly reducing the impact of the time limit.Condensation situation in the metering system energy Real-Time Monitoring switch cubicle of such array.
Structure of the present invention is simple, be easy to realize and low-power consumption, microminiaturization, cost is low, precision is high; Adopt double mcu to realize controlling, adopt wireless mode to carry out Signal transmissions, to meet under specific environment for use, realize controlling at a distance; Remove condensation by condensation situation prompting user in array condensation sensors sense switch cabinet, greatly improve the anti-condensation reliability of switch cubicle and mission life.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, makes a variety of changes under can also or else departing from the prerequisite of present inventive concept.
Claims (7)
1. condensation of switch cabinet monitoring and a disposal route, is characterized in that: specifically comprise following steps:
Step 1, condensation normality threshold in preset switches cabinet, and the inside and outside normal temperature range of switch cubicle;
Step 2, gathers condensation parameter in switch cubicle according to predetermined period;
Step 3, carries out gathering according to the condensation parameter of step 2 collection and obtains average condensation parameter, and then contrast with default normality threshold, specific as follows:
Step 3.1, if the average condensation parameter obtained is lower than condensation normality threshold, then expands the time interval of condensation collection period in switch cubicle;
Step 3.2, if the average condensation parameter obtained is higher than condensation normality threshold, then controls dehydrating unit and removes condensation until condensation parameter equals normality threshold, enter step 4 simultaneously;
Step 4, according in predeterminated frequency Real-time Collection switch cubicle and outdoor temperature parameter draw temperature difference threshold value;
Step 5, the temperature difference threshold value drawn according to step 4 and normal temperature range contrast, if temperature difference threshold value is not in normal temperature range, then make the following judgment:
Step 5.1, if switch in-cabinet temperature is lower than outdoor temperature, then controls heating arrangement and carries out heating direct to temperature difference threshold value in normal temperature range;
Step 5.2, if switch in-cabinet temperature is higher than outdoor temperature, then controls refrigerating plant and carries out lowering the temperature until temperature difference threshold value is in normal temperature range.
2. a kind of condensation of switch cabinet monitoring according to claim 1 and disposal route, it is characterized in that: in step 2, described predetermined period is 5 seconds.
3. a kind of condensation of switch cabinet monitoring according to claim 1 and disposal route, is characterized in that: in step 2, adopts the condensation sensor matrices be made up of multiple condensation sensor to gather condensation parameter in switch cubicle.
4. a kind of condensation of switch cabinet monitoring according to claim 1 and disposal route, is characterized in that: described dehydrating unit is dehumidifier.
5. a kind of condensation of switch cabinet monitoring according to claim 1 and disposal route, is characterized in that: in step 4, adopt internal and external temperature in temperature sensor Real-time Collection switch cubicle.
6. a kind of condensation of switch cabinet monitoring according to claim 3 and disposal route, is characterized in that: described condensation sensor model number is HDP-07.
7. a kind of condensation of switch cabinet monitoring according to claim 3 and disposal route, is characterized in that: described condensation sensor matrices is the 3*3 matrix be made up of condensation sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410603648.8A CN104460786A (en) | 2014-10-31 | 2014-10-31 | Switch cabinet condensate monitoring and processing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410603648.8A CN104460786A (en) | 2014-10-31 | 2014-10-31 | Switch cabinet condensate monitoring and processing method |
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| CN104460786A true CN104460786A (en) | 2015-03-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712229A (en) * | 2016-12-14 | 2017-05-24 | 南京安润朴新能源科技有限公司 | Charger and electric automobile |
| CN107461999A (en) * | 2017-07-19 | 2017-12-12 | 广东美的厨房电器制造有限公司 | A kind of control method and device of drying plant |
| CN110989734A (en) * | 2019-11-08 | 2020-04-10 | 广东电网有限责任公司 | Environmental state monitoring method and system for pole-mounted switch controller and storage medium |
| CN115719998A (en) * | 2022-11-17 | 2023-02-28 | 宁波天仑电气股份有限公司 | Intelligent switch cabinet supervision method and system and storage medium |
| CN117878735A (en) * | 2024-03-12 | 2024-04-12 | 长沙普洛电气设备有限公司 | Condensation prevention method, system, terminal and storage medium for electric control cabinet |
Citations (5)
| 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 |
| EP1847163B1 (en) * | 2005-02-07 | 2008-03-12 | Knürr AG | Switch cabinet |
| 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 |
| CN103441433A (en) * | 2013-08-20 | 2013-12-11 | 长沙市蓝虹电气技术有限公司 | Cabinet dehumidifying device and method and cabinet monitoring system and method thereof |
| CN203824979U (en) * | 2014-01-13 | 2014-09-10 | 南京信息工程大学 | Dew condensation monitor |
-
2014
- 2014-10-31 CN CN201410603648.8A patent/CN104460786A/en not_active Withdrawn
Patent Citations (5)
| 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 |
| EP1847163B1 (en) * | 2005-02-07 | 2008-03-12 | Knürr AG | Switch cabinet |
| 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 |
| CN103441433A (en) * | 2013-08-20 | 2013-12-11 | 长沙市蓝虹电气技术有限公司 | Cabinet dehumidifying device and method and cabinet monitoring system and method thereof |
| CN203824979U (en) * | 2014-01-13 | 2014-09-10 | 南京信息工程大学 | Dew condensation monitor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712229A (en) * | 2016-12-14 | 2017-05-24 | 南京安润朴新能源科技有限公司 | Charger and electric automobile |
| CN107461999A (en) * | 2017-07-19 | 2017-12-12 | 广东美的厨房电器制造有限公司 | A kind of control method and device of drying plant |
| CN110989734A (en) * | 2019-11-08 | 2020-04-10 | 广东电网有限责任公司 | Environmental state monitoring method and system for pole-mounted switch controller and storage medium |
| CN110989734B (en) * | 2019-11-08 | 2021-08-31 | 广东电网有限责任公司 | Environmental state monitoring method and system for pole-mounted switch controller and storage medium |
| CN115719998A (en) * | 2022-11-17 | 2023-02-28 | 宁波天仑电气股份有限公司 | Intelligent switch cabinet supervision method and system and storage medium |
| CN117878735A (en) * | 2024-03-12 | 2024-04-12 | 长沙普洛电气设备有限公司 | Condensation prevention method, system, terminal and storage medium for electric control cabinet |
| CN117878735B (en) * | 2024-03-12 | 2024-05-28 | 长沙普洛电气设备有限公司 | Condensation prevention method, system, terminal and storage medium for electric control cabinet |
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Application publication date: 20150325 |