CN207474927U - It is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system - Google Patents
It is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system Download PDFInfo
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- CN207474927U CN207474927U CN201721512818.7U CN201721512818U CN207474927U CN 207474927 U CN207474927 U CN 207474927U CN 201721512818 U CN201721512818 U CN 201721512818U CN 207474927 U CN207474927 U CN 207474927U
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- wall hole
- power distribution
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- 238000009833 condensation Methods 0.000 title claims abstract description 31
- 230000008676 import Effects 0.000 claims abstract description 4
- 238000004378 air conditioning Methods 0.000 claims description 11
- 238000007791 dehumidification Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model it is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system, include and be installed on indoor switchgear（1）, which is provided with for switchgear（1）The cable duct of inner cable cabling（2）, and air draft wall hole is provided on indoor wall（3）, the air draft wall hole（3）And cable duct（2）Between be provided with cable duct wind turbine（4）, the cable duct wind turbine（4）Air intake be connected to cable duct（2）, cable duct wind turbine（4）Outlet air end be connected to air draft wall hole（3）；The system also includes the air inlet wall hole being set on indoor wall（6）, the air inlet wall hole（6）It is connected to system host（5）Fresh-air fan air inlet, so as to import outside air.The utility model it is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system, effect on moisture extraction is good and stable, reliability is high.
Description
Technical field
The utility model is related to a kind of wet down anti-condensation systems, are applied to power distribution station institute more particularly, to one kind, reduce height
The humidity in space is so as to the system for preventing it from condensing in the cabinet to compress switch.
Background technology
At present, power distribution station is the most basic unit of power distribution network bottom, have a very wide distribution, quantity it is more, 10kv therein
（20kv）Metal sealing switch cabinet is the most direct equipment to customer power supply；Its operational reliability is directly related to power supply matter
Amount and the power supply degree of reliability.Field operation experiences show to stand switchgear in air quality it is poor（Moist, moisture condensation）, long-term
Operational process in, since moisture condensation can cause in the bus-bar room of switchgear between busbar, busbar discharges over the ground, climbed so as to generate
The accidents such as electricity, pollution flashover；Therefore it needs to reduce the humidity in switchgear, prevents its moisture condensation；
Nowadays, in conventional switchgear there is wet down anti-condensation mode：
1st, in the indoor installation dehumidifier of station institute；Since dehumidifier can only reduce indoor air humidity, switchgear can not be reduced
Interior air humidity.
2nd, do not allow the surface temperature for dewing prevention part occur by heating to improve in cabinet in cabinet, be allowed to projecting air
Dew-point temperature；The mode of heating is divided into as two kinds of forms：First, installing heater in cabinet additional, optionally manually it is turned on and off heating
Device；Second is that in cabinet in addition to equipped with heater, then condensation sensor is set, to control the switching of heater.
It is had the following problems for installing heater in the first cabinet additional：
1. easily the aqueous vapor evaporation in bottom of cabinet cable duct comes up instead after in-cabinet temperature raising, increase cabinet humidity.
2. needing manually to be turned on and off heater, it is unfavorable for unattended requirement of standing.
3. long-term heating energy source waste is big.
For in addition to equipped with heater, then condensation sensor being set to have the following problems in second of cabinet：
1. condensation sensor be all passive-type action, air humidity is very big sometimes, but due at condensation sensor not yet
Moisture condensation is formed, therefore heater will not start, that is, have certain amount of lagging.
2. by the intrinsic characteristic defective of condensation sensor, determine that its variation to relative humidity is insensitive.
3. its sensitivity can be changed after chemical attacks of the condensation sensor in by dust and moisture, lead to anti-condensation
Control point there is deviation, so as to reduce the reliability of anti-condensation.
Only this there is an urgent need for a kind of effect on moisture extraction is good and stable, reliability is high wet down anti-condensation systems.
Invention content
The purpose of this utility model is to overcome above-mentioned deficiency, provides that a kind of effect on moisture extraction is good and stable, reliability
It is high for power distribution station high-tension switch cabinet in wet down anti-condensation system.
What the purpose of this utility model was realized in：
It is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system, the system, which includes, is installed on interior
Switchgear, which is provided with for the cable duct of switchgear inner cable cabling, and air draft is provided on indoor wall
Wall hole is provided with cable duct wind turbine between the air draft wall hole and cable duct, and the air intake of the cable duct wind turbine is connected to cable duct,
The outlet air end of cable duct wind turbine is connected to air draft wall hole；
The system, which also includes, is installed on indoor system host, is provided in the system host with controller
Electric control mainboard, the controller on the Electric control mainboard are connected with frequency converter, dehumidifier and the air-conditioning in system host,
And fresh wind port and refrigerated dehumidification air port are provided on the shell of system host, Frequency Converter Control fresh-air fan, and the fresh-air fan
Air outlet face fresh wind port, the air outlet face refrigerated dehumidification air port of the dehumidifier and air-conditioning；
The system also includes the air inlet wall hole being set on indoor wall, which is connected to system host
The air inlet of fresh-air fan, so as to import outside air.
The utility model it is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system, the electric power of the system
Air-conditioning remote control, Temperature Humidity Sensor, smoke sensor device, water logging warning device, fire alarm dress are also associated in control mainboard
It puts, external device accident warning device and mobile terminal, the mobile terminal are connected by communication by network and cloud center.
The utility model it is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system, the temperature and humidity sensing
Device includes the indoor temperature and humidity sensor being installed on indoor wall, the outdoor temperature humidity being installed on the hole wall of air inlet wall hole
Sensor and the cable duct Temperature Humidity Sensor being installed in the air duct of cable duct wind turbine.
Compared with prior art, the beneficial effects of the utility model are：
For the utility model cable duct due to being in negative pressure state, the only air in switchgear flows to cable duct, and
Moisture in cable duct will not flow to switchgear, so as to reduce the humidity in switchgear；And by introducing extraneous fresh air, make
Must be indoor in barotropic state, ensure that fresh air is constantly poured in switchgear, so as to further reduced the humidity in switchgear；Together
When, it is realized by Electric control mainboard to the temperature-humidity monitoring in each place and can be easily to dehumidifier, fresh-air fan
Frequency converter, cable duct wind turbine and air-conditioning etc. are automatically adjusted so that entire operation process can realize unmanned management；In addition lead to
Cross the setting of mobile terminal so that whole system easily can externally transmit various information, can not only carry out local alarm, also
Remote service personnel can conveniently be passed information to.
Description of the drawings
Fig. 1 for the utility model it is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system structural representation
Figure.
Fig. 2 for the utility model it is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system circuit block
Figure.
Wherein：
Switchgear 1, cable duct 2, air draft wall hole 3, cable duct wind turbine 4, system host 5, air inlet wall hole 6；
Fresh wind port 5.1, refrigerated dehumidification air port 5.2；
Indoor temperature and humidity sensor 101, outdoor temperature humidity sensor 102, cable duct Temperature Humidity Sensor 103.
Specific embodiment
Referring to Fig. 1 and Fig. 2, the utility model is related to it is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation
System, the system, which includes, is installed on indoor switchgear 1, which is provided with for 1 inner cable cabling of switchgear
Cable duct 2, and air draft wall hole 3 is provided on indoor wall, cable duct wind is provided between the air draft wall hole 3 and cable duct 2
Machine 4, the air intake of the cable duct wind turbine 4 are connected to cable duct 2, and the outlet air end of cable duct wind turbine 4 is connected to air draft wall hole 3, from
And ensure to be in negative pressure state in cable duct 2 so that the wind-force flow direction between cable duct 2 and switchgear 1 is is flowed to by switchgear 1
Cable duct 2 ensures that the moisture in cable duct 2 will not be in access switch cabinet 1；
The system, which also includes, is installed on indoor system host 5, is provided in the system host with controller
Electric control mainboard, the controller on the Electric control mainboard is connected with frequency converter, dehumidifier and the air-conditioning in system host 5
It connects, and fresh wind port 5.1 and refrigerated dehumidification air port 5.2 is provided on the shell of system host 5, Frequency Converter Control fresh-air fan, and
The air outlet face refrigerated dehumidification air port 5.2 of the air outlet face fresh wind port 5.1 of the fresh-air fan, the dehumidifier and air-conditioning；
The system also includes the air inlet wall hole 6 being set on indoor wall, which is connected to system host
The air inlet of 5 fresh-air fan, so as to import outside air；
Further, air-conditioning remote control, Temperature Humidity Sensor, smog are also associated on the Electric control mainboard of the system
Sensor, water logging warning device, fire alarm installation, external device accident warning device and mobile terminal, the mobile terminal
It is connected by communication by network and cloud center, after easily the how inside and outside various information of power distribution station is uploaded to is supplied behind cloud center
Platform personnel and can transmit information in real time each power distribution station corresponding responsible person；
Further, the Temperature Humidity Sensor include the indoor temperature and humidity sensor 101 being installed on indoor wall,
Be installed on air inlet wall hole 6 hole wall on outdoor temperature humidity sensor 102 and be installed in the air duct of cable duct wind turbine 4
Cable duct Temperature Humidity Sensor 103, so as to detect the humiture of each position；
When outdoor air is in high humidity state（System fresh-air fan stops）In the case of, if indoor humidity is required higher than control
When, system can start dehumidifier automatically by the controller on Electric control mainboard and air-conditioning realizes dehumidification function, to ensure room
Interior humid control is in the range of setting；
This system has abandoned heating anti-condensation mode in traditional cabinet, but by effectively reduce in cabinet air humidity content come
The dew-point temperature of air is reduced, the humidity of the outer room air of cabinet is under control, and air pressure is in barotropic state（Fresh-air fan will
Outdoor air press-in is indoor）.Negative pressure state is presented under the effect of cable duct negative pressure device in the air of cable duct, makes switchgear bottom
It can only be flowed from top to bottom with air at the gap between cable duct（Cable duct is flowed to out of switchgear）, it is wet to have prevented cable duct
In air access switch cabinet；And be added into room air of the air only outside cabinet in cabinet, reduce air in cabinet containing wet
Amount, it is ensured that the dew-point temperature of air is less than equipment surface temperature in cabinet in cabinet, so as to achieve the purpose that switchgear anti-condensation.
In addition：It should be noted that above-mentioned specific embodiment is only a prioritization scheme of this patent, the skill of this field
Any change or improvement that art personnel are done according to above-mentioned design, within the protection domain of this patent..
Claims (3)
1. it is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system, it is characterised in that：The system includes
It is installed on indoor switchgear（1）, which is provided with for switchgear（1）The cable duct of inner cable cabling（2）, and room
Air draft wall hole is provided in interior walls（3）, the air draft wall hole（3）And cable duct（2）Between be provided with cable duct wind turbine（4）, should
Cable duct wind turbine（4）Air intake be connected to cable duct（2）, cable duct wind turbine（4）Outlet air end be connected to air draft wall hole（3）；
The system, which also includes, is installed on indoor system host（5）, it is provided with controller in the system host
Electric control mainboard, controller and system host on the Electric control mainboard（5）Interior frequency converter, dehumidifier are connected with air-conditioning
It connects, and system host（5）Shell on be provided with fresh wind port（5.1）With refrigerated dehumidification air port（5.2）, Frequency Converter Control fresh air wind
Machine, and the air outlet face fresh wind port of the fresh-air fan（5.1）, the air outlet face refrigerated dehumidification wind of the dehumidifier and air-conditioning
Mouthful（5.2）；
The system also includes the air inlet wall hole being set on indoor wall（6）, the air inlet wall hole（6）It is connected to system host
（5）Fresh-air fan air inlet, so as to import outside air.
2. as described in claim 1 it is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system, it is characterised in that：
Air-conditioning remote control, Temperature Humidity Sensor, smoke sensor device, water logging alarm dress are also associated on the Electric control mainboard of the system
It puts, fire alarm installation, external device accident warning device and mobile terminal, the mobile terminal are led to by network and cloud center
News are connected.
3. as claimed in claim 2 it is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system, it is characterised in that：
The Temperature Humidity Sensor includes the indoor temperature and humidity sensor being installed on indoor wall（101）, be installed on air inlet wall hole
（6）Hole wall on outdoor temperature humidity sensor（102）And it is installed on cable duct wind turbine（4）Air duct in cable duct temperature
Humidity sensor（103）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721512818.7U CN207474927U (en) | 2017-11-14 | 2017-11-14 | It is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721512818.7U CN207474927U (en) | 2017-11-14 | 2017-11-14 | It is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207474927U true CN207474927U (en) | 2018-06-08 |
Family
ID=62260284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721512818.7U Active CN207474927U (en) | 2017-11-14 | 2017-11-14 | It is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system |
Country Status (1)
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| CN (1) | CN207474927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107809067A (en) * | 2017-11-14 | 2018-03-16 | 国网江苏省电力公司江阴市供电公司 | It is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system |
-
2017
- 2017-11-14 CN CN201721512818.7U patent/CN207474927U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107809067A (en) * | 2017-11-14 | 2018-03-16 | 国网江苏省电力公司江阴市供电公司 | It is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system |
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