CN109582068A - Looped network case micro-positive pressure fresh air dehumidifying system and its control method - Google Patents
Looped network case micro-positive pressure fresh air dehumidifying system and its control method Download PDFInfo
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- CN109582068A CN109582068A CN201811294347.6A CN201811294347A CN109582068A CN 109582068 A CN109582068 A CN 109582068A CN 201811294347 A CN201811294347 A CN 201811294347A CN 109582068 A CN109582068 A CN 109582068A
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- looped network
- air
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- network case
- condensation
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000009833 condensation Methods 0.000 claims abstract description 49
- 230000005494 condensation Effects 0.000 claims abstract description 48
- 238000007791 dehumidification Methods 0.000 claims abstract description 20
- 238000012806 monitoring device Methods 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims description 17
- 230000006870 function Effects 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 3
- 230000032258 transport Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Drying Of Gases (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to a kind of looped network case micro-positive pressure fresh air dehumidifying system and its control methods.The system comprises centralized monitoring devices and looped network case micro-positive pressure fresh air dehumidification condensation-preventing device；The centralized monitoring device: including centralized monitoring center, centralized monitoring center passes through the looped network case of each monitoring point of connection；The dehumidifying condensation proof device: including observing and controlling main body, temperature and humidity measurement module, condenser and heater.Dehumidification system of the invention passes through the reasonable setting of associated components, and reasonable logic control, the generation of looped network case dew condensation phenomenon can be effectively prevented first, even if looped network case is when occurring dew condensation phenomenon simultaneously, the dehumidification system can timely and effectively devote oneself to work, the dew condensation phenomenon of generation is removed in time, reduces the damage to related electric component in looped network case.
Description
Technical field
The present invention relates to a kind of looped network case micro-positive pressure fresh air dehumidifying system and its control method, belong to electrical and its control skill
Art field.
Background technique
Power distribution network looped network case is most important in electrical power distribution automatization system, and looped network case is one group of high-tension switch gear mounted in steel
Sheetmetal cabinet is interior or is made into the electrical equipment of assembled compartment ring network power supplying units, and core is using on-load switch and melts
Disconnected device, has many advantages, such as that structure is simple, small in size, price is low, power supply parameter and performance can be improved and power supply safety.It is wide
The general power distribution station for being used in the load centers such as Urban Residential District, skyscraper, large public building, factory and enterprise and box
In substation.The running environment of power distribution network looped network case is generally more severe at present, by such environmental effects such as weather, humidity in case
Greatly, dew condensation phenomenon is serious, is unable to satisfy the needs of electrical power distribution automatization system high reliability operation, and O&M maintenance workload is huge
Greatly.It is therefore desirable to install dehumidification device additional to looped network case to improve the reliability of operation and safety of looped network case, reduce because solidifying
Reveal accident caused by phenomenon, mitigate the working strength of operation maintenance personnel, promotes maintenance work efficiency.
Summary of the invention
The present invention is in view of the foregoing drawbacks, and it is an object of the present invention to provide a kind of setting rationally, can effectively prevent looped network case dew condensation phenomenon
The looped network case micro-positive pressure fresh air dehumidifying system and its control method of generation.
Thus the technical solution adopted by the present invention is that: looped network case micro-positive pressure fresh air dehumidifying system, the system comprises concentrations
Formula monitoring device and looped network case micro-positive pressure fresh air dehumidification condensation-preventing device；
The centralized monitoring device: including centralized monitoring center, centralized monitoring center passes through each monitoring of connection
The looped network case of point；
The dehumidifying condensation proof device: including observing and controlling main body, temperature and humidity measurement module, condenser and heater.
The centralized monitoring device: mould is stored including equipment editorial management module, data image display module, data
Block, data recollect functional module, event warning function module and communication service functional module；
The equipment editorial management module: the dehumidifying condensation proof device of each monitoring point is effectively managed；
The data image display module: for showing the work state information of the dehumidifying condensation proof device of each monitoring point；
The data recollect functional module: storing each monitor and the relevant information of condensation state has occurred, and conclude condensation
When the relevant technologies feature, as subsequent condensation early warning provide judgment basis；
The event warning function module: alarm when condensation occurs as each monitoring point is used；
The communication service functional module: for monitoring the communication feelings between centralized monitoring device and dehumidifying condensation proof device
Condition.
The dehumidifying condensation proof device includes shell, and the shell is connected on looped network case, is provided with out on the shell
Air port, looped network case side corresponding position are provided with air inlet.
Junction between the looped network case and shell is provided with sealant.
Governor circuit and centrifugal blower are set in the shell, housing air inlet, place in shell are provided on the shell
Air filtering core is provided between the air inlet and centrifugal blower.
The temperature and humidity measurement module: it is arranged in looped network case, for measuring the temperature and humidity in looped network case.
The control method of looped network case micro-positive pressure fresh air dehumidifying system, control carries out in the following way:
1) when the temperature inside the box is higher than 40 DEG C, blower is automatically turned on, and ventilation and heat is played the role of in the air blast constantly into case；
2) when humidity is more than 10 DEG C, is currently at night greater than 85%, day and night temperature in case, blower is automatically turned on, constantly to case
Interior air blast, the outer air exchange of case, makes box outside temperature in case tend to be identical, condensation condition in case is made to be difficult to occur in accelerating chamber；
3) when temperature lower than 40 DEG C, humidity less than 85%, air is relatively dry in case at this time, blower intermittence unlatching be aerated,
Play the purpose for periodically carrying out the outer air exchange of case in case；
4) when humidity is less than 50%, it, because air at this time is very dry, is not in condensation that blower, which stops,.
The invention has the advantages that dehumidification system of the invention passes through the reasonable setting and reasonable logic of associated components
Control, can effectively prevent the generation of looped network case dew condensation phenomenon first, while even if looped network case when dew condensation phenomenon occurs, it is described
Dehumidification system can timely and effectively devote oneself to work, the dew condensation phenomenon of generation is removed in time, is reduced to mutually powered-down in looped network case
The damage of gas component.
Detailed description of the invention
Fig. 1 is the system construction drawing of centralized monitoring device of the present invention.
Fig. 2 is the module frame chart of micro-positive pressure fresh air dehumidification condensation-preventing device of the present invention.
Fig. 3 is the structural schematic diagram of micro-positive pressure fresh air dehumidification condensation-preventing device of the present invention.
Specific embodiment
Looped network case micro-positive pressure fresh air dehumidifying system, the system comprises centralized monitoring devices and looped network case micro-positive pressure fresh air
Dehumidifying condensation proof device；
The centralized monitoring device: including centralized monitoring center, centralized monitoring center passes through each monitoring of connection
The looped network case of point；
The dehumidifying condensation proof device: including observing and controlling main body, temperature and humidity measurement module, condenser and heater.
The centralized monitoring device: mould is stored including equipment editorial management module, data image display module, data
Block, data recollect functional module, event warning function module and communication service functional module；
The equipment editorial management module: the dehumidifying condensation proof device of each monitoring point is effectively managed；
The data image display module: for showing the work state information of the dehumidifying condensation proof device of each monitoring point；
The data recollect functional module: storing each monitor and the relevant information of condensation state has occurred, and conclude condensation
When the relevant technologies feature, as subsequent condensation early warning provide judgment basis；
The event warning function module: alarm when condensation occurs as each monitoring point is used；
The communication service functional module: for monitoring the communication feelings between centralized monitoring device and dehumidifying condensation proof device
Condition.
The dehumidifying condensation proof device includes shell, and the shell is connected on looped network case, is provided with out on the shell
Air port, looped network case side corresponding position are provided with air inlet.
Junction between the looped network case and shell is provided with sealant.
Governor circuit and centrifugal blower are set in the shell, housing air inlet, place in shell are provided on the shell
Air filtering core is provided between the air inlet and centrifugal blower.
The temperature and humidity measurement module: it is arranged in looped network case, for measuring the temperature and humidity in looped network case.
The control method of looped network case micro-positive pressure fresh air dehumidifying system, control carries out in the following way:
1) when the temperature inside the box is higher than 40 DEG C, blower is automatically turned on, and ventilation and heat is played the role of in the air blast constantly into case；
2) when humidity is more than 10 DEG C, is currently at night greater than 85%, day and night temperature in case, blower is automatically turned on, constantly to case
Interior air blast, the outer air exchange of case, makes box outside temperature in case tend to be identical, condensation condition in case is made to be difficult to occur in accelerating chamber；
3) when temperature lower than 40 DEG C, humidity less than 85%, air is relatively dry in case at this time, blower intermittence unlatching be aerated,
Play the purpose for periodically carrying out the outer air exchange of case in case；
4) when humidity is less than 50%, it, because air at this time is very dry, is not in condensation that blower, which stops,.
Further related description is made to the present invention below, to be better understood by the present invention:
The anti-condensation system of micro-positive pressure fresh air dehumidification is by centralized monitoring device and looped network case micro-positive pressure fresh air dehumidification condensation-preventing device
Two parts composition.
Centralized monitoring device is responsible for acquiring state, the data of each micro-positive pressure fresh air dehumidification condensation-preventing device, shown,
Storage, analysis and aid decision.Monitoring software can use RS485, Ethernet or 4G wireless mode and micro-positive pressure fresh air dehumidification
Condensation-preventing device is communicated, and can be acquired in real time, be shown the data of each micro-positive pressure fresh air dehumidification condensation-preventing device, and send out in time
Outgoing event early warning.
Micro-positive pressure fresh air dehumidification condensation-preventing device is by observing and controlling main body, temperature and humidity measurement probe, semiconductor cooling condenser and heating
The composition such as device, the temperature and humidity being responsible for inside measurement looped network case, judges current humidity range, controls centrifugal blower, condenser, heating
There is multiple communication interface and monitoring software to carry out data communication etc. for the start-stop of device, the relative humidity in effective control cabinet.
Centralized monitoring device is chased after by equipment editorial management module, data image display module, data memory module, data
Recall the part such as functional module, event warning function module and communication service functional module to form.
Equipment editorial management module: monitoring software can create, edit, sweep equipment, can be by city, power supply company, county
Xxx substation xxx route carries out each micro-positive pressure fresh air dehumidification condensation-preventing device of Classification Management.
Data image display module: monitoring software can show that all micro-positive pressure fresh air dehumidification condensation-preventing devices are currently surveyed
The information such as temperature and humidity value, intake state, communications status, the dehumidification work state of amount.
Data memory module: monitoring software can collect Various types of data with scheduled store, and the storage period can be arranged with software,
No less than 3 years data can be saved.
Data recollect functional module: monitoring software can read the historical data saved and image is shown, can be with logarithm
According to analysis comparison is carried out, the feature that condensation occurs is concluded, the condensation early warning for after provides judgment basis.
Event warning function module: the condensation event that monitoring software occurs according to history, induction and conclusion occur condensation when
Temperature and humidity feature can issue condensation pre-warning signal as reference in advance.
Communication service functional module: monitoring software can by various ways such as RS584, Ethernet, 4G wireless networks, with
Micro-positive pressure fresh air dehumidification condensation-preventing device carries out data communication, and can monitor communication link state, after communication disruption can and
When issue warning signal.
Claims (8)
1. looped network case micro-positive pressure fresh air dehumidifying system, which is characterized in that the system comprises centralized monitoring devices and looped network case
Micro-positive pressure fresh air dehumidification condensation-preventing device；
The centralized monitoring device: including centralized monitoring center, centralized monitoring center passes through each monitoring of connection
The looped network case of point；
The dehumidifying condensation proof device: including observing and controlling main body, temperature and humidity measurement module, condenser and heater.
2. looped network case micro-positive pressure fresh air dehumidifying system according to claim 1, which is characterized in that the centralized monitoring dress
Set: including equipment editorial management module, data image display module, data memory module, that data recollect functional module, event is pre-
Alert functional module and communication service functional module；
The equipment editorial management module: the dehumidifying condensation proof device of each monitoring point is effectively managed；
The data image display module: for showing the work state information of the dehumidifying condensation proof device of each monitoring point；
The data recollect functional module: storing each monitor and the relevant information of condensation state has occurred, and conclude condensation
When the relevant technologies feature, as subsequent condensation early warning provide judgment basis；
The event warning function module: alarm when condensation occurs as each monitoring point is used；
The communication service functional module: for monitoring the communication feelings between centralized monitoring device and dehumidifying condensation proof device
Condition.
3. looped network case micro-positive pressure fresh air dehumidifying system according to claim 1, which is characterized in that the dehumidifying condensation proof dress
It sets including shell, the shell is connected on looped network case, and air outlet is provided on the shell, and looped network case side corresponding position is set
It is equipped with air inlet.
4. looped network case micro-positive pressure fresh air dehumidifying system according to claim 3, which is characterized in that the looped network case and shell
Between junction be provided with sealant.
5. looped network case micro-positive pressure fresh air dehumidifying system according to claim 1, which is characterized in that setting master in the shell
Control circuit and centrifugal blower, be provided with housing air inlet on the shell, in shell in the air inlet and centrifugal blower it
Between be provided with air filtering core.
6. looped network case micro-positive pressure fresh air dehumidifying system according to claim 1, which is characterized in that the temperature and humidity measurement mould
Block: it is arranged in looped network case, for measuring the temperature and humidity in looped network case.
7. looped network case micro-positive pressure fresh air dehumidifying system according to claim 1, which is characterized in that set in the looped network case case
It is equipped with air hose, the air hose is connected to the air outlet of condensation-preventing device；
The air hose is arranged symmetrically on the looped network case upper and lower sides, and the air hose of upside is provided with downward opening air holes, downside
Air hose be provided with opening up air holes, the wind that the external world is passed through is blown out respectively from the air holes up and down to be formed air and transports in opposite directions
It is dynamic；
The fluffy water absorption layer being horizontally disposed in the looped network case on the flow path for having the wind in the blowout of two air hoses, it is described fluffy
Loose water absorption layer is provided with the micropore that air feed passes through；
All horizontally disposed discharge pipes of accommodating in the fluffy water absorption layer, the discharge pipe and setting are another in the looped network case
The air outlet of side is connected to, and the discharge pipe upper and lower sides are respectively arranged with the aperture for entering wind in the discharge pipe, the outlet air
Mouth, which is provided with, is drawn onto outdoor attractor from the discharge pipe for wind.
8. the control method of looped network case micro-positive pressure fresh air dehumidifying system, which is characterized in that control carries out in the following way:
1) when the temperature inside the box is higher than 40 DEG C, blower is automatically turned on, and ventilation and heat is played the role of in the air blast constantly into case；
2) when humidity is more than 10 DEG C, is currently at night greater than 85%, day and night temperature in case, blower is automatically turned on, constantly to case
Interior air blast, the outer air exchange of case, makes box outside temperature in case tend to be identical, condensation condition in case is made to be difficult to occur in accelerating chamber；
3) when temperature lower than 40 DEG C, humidity less than 85%, air is relatively dry in case at this time, blower intermittence unlatching be aerated,
Play the purpose for periodically carrying out the outer air exchange of case in case；
4) when humidity is less than 50%, it, because air at this time is very dry, is not in condensation that blower, which stops,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811294347.6A CN109582068A (en) | 2018-11-01 | 2018-11-01 | Looped network case micro-positive pressure fresh air dehumidifying system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811294347.6A CN109582068A (en) | 2018-11-01 | 2018-11-01 | Looped network case micro-positive pressure fresh air dehumidifying system and its control method |
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| Publication Number | Publication Date |
|---|---|
| CN109582068A true CN109582068A (en) | 2019-04-05 |
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| CN201811294347.6A Pending CN109582068A (en) | 2018-11-01 | 2018-11-01 | Looped network case micro-positive pressure fresh air dehumidifying system and its control method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202975882U (en) * | 2012-12-18 | 2013-06-05 | 江苏省帕瓦电力技术有限公司 | Online intelligent condensation-proof dehumidification system |
| CN203632038U (en) * | 2013-12-27 | 2014-06-04 | 国家电网公司 | Power box dehumidifying system |
| CN203930548U (en) * | 2013-10-30 | 2014-11-05 | 国家电网公司 | Intelligence is driven damp temperature regulating device |
| CN105674436A (en) * | 2016-02-01 | 2016-06-15 | 江苏省电力公司检修分公司 | Low-dew-point positive pressure air supply system and dehumidification method for high-voltage cabinet |
| CN107069501A (en) * | 2017-06-06 | 2017-08-18 | 王亚鲁 | Ring main unit master-slave mode dehumidification system and dehumidification by condensation control method |
-
2018
- 2018-11-01 CN CN201811294347.6A patent/CN109582068A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202975882U (en) * | 2012-12-18 | 2013-06-05 | 江苏省帕瓦电力技术有限公司 | Online intelligent condensation-proof dehumidification system |
| CN203930548U (en) * | 2013-10-30 | 2014-11-05 | 国家电网公司 | Intelligence is driven damp temperature regulating device |
| CN203632038U (en) * | 2013-12-27 | 2014-06-04 | 国家电网公司 | Power box dehumidifying system |
| CN105674436A (en) * | 2016-02-01 | 2016-06-15 | 江苏省电力公司检修分公司 | Low-dew-point positive pressure air supply system and dehumidification method for high-voltage cabinet |
| CN107069501A (en) * | 2017-06-06 | 2017-08-18 | 王亚鲁 | Ring main unit master-slave mode dehumidification system and dehumidification by condensation control method |
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Application publication date: 20190405 |