CN107809067A - 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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- CN107809067A CN107809067A CN201711121362.6A CN201711121362A CN107809067A CN 107809067 A CN107809067 A CN 107809067A CN 201711121362 A CN201711121362 A CN 201711121362A CN 107809067 A CN107809067 A CN 107809067A
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- China
- Prior art keywords
- air
- cable duct
- wall hole
- power distribution
- blower fan
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Wet down anti-condensation system in a kind of high-tension switch cabinet for power distribution station institute of the present invention, includes and is installed on indoor switch cubicle（1）, the flooring is provided with for switch cubicle（1）The cable duct of inner cable cabling（2）, and air draft wall hole is provided with indoor wall（3）, the air draft wall hole（3）And cable duct（2）Between be provided with cable duct blower fan（4）, the cable duct blower fan（4）Air intake be communicated to cable duct（2）, cable duct blower fan（4）Outlet air end be communicated to air draft wall hole（3）；The system also includes the air intake wall hole being arranged on indoor wall（6）, the air intake wall hole（6）It is communicated to system host（5）Fresh-air fan air inlet, so as to import outside air.The present invention 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 present invention relates to a kind of wet down anti-condensation system, is applied to power distribution station institute more particularly, to one kind, reduction height presses off
In the cabinet of pass the humidity in space so as to prevent its condense system.
Background technology
At present, power distribution station is the most basic unit of power distribution network bottom, and it has a very wide distribution, quantity is more, 10kv therein
（20kv）Metal sealing switch cabinet is the most direct equipment to customer power supply；Its operational reliability, it is directly connected to power supply matter
Amount and the power supply degree of reliability.Field operation experiences show, stand switch cubicle in air quality it is poor（Moist, condensation）, long-term
Running in, because condensation can cause in the bus-bar room of switch cubicle between bus, bus discharges over the ground, climbed so as to produce
The accidents such as electricity, pollution flashover；Therefore need to reduce the humidity in switch cubicle, prevent its condensation；
Nowadays, in conventional switch cubicle there is wet down anti-condensation mode：
1st, in the indoor installation dehumidifier of station institute；Because dehumidifier can only reduce indoor air humidity, can not reduce empty in switch cubicle
Air humidity degree.
2nd, the surface temperature for not allowing dewing prevention part occur in cabinet is improved by being heated in cabinet, is allowed to projecting air
Dew-point temperature；The mode of heating is divided into two kinds of forms again：First, installing heater in cabinet additional, optionally manually it is turned on and off heating
Device；Second, in cabinet in addition to equipped with heater, then condensation sensor is set, to control the switching of heater.
Problems be present for installing heater in the first cabinet additional：
1. easily the aqueous vapor evaporation in bottom of cabinet cable duct comes up on the contrary after in-cabinet temperature rise, raise 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 wastes big.
For in addition to equipped with heater, then setting condensation sensor problems with to be present in second of cabinet：
1. condensation sensor is all passive-type action, air humidity is very big sometimes, but due to not formed also at condensation sensor
Condensation, therefore heater will not start, that is, have certain amount of lagging.
2. by the intrinsic characteristic defective of condensation sensor, determine that its change to relative humidity is insensitive.
3. its sensitivity can be changed after chemical attacks of the condensation sensor in by dust and moisture, cause anti-condensation
Control point there is deviation, so as to reduce the reliability of anti-condensation.
Only this needs the wet down anti-condensation system that a kind of effect on moisture extraction is good and stable, reliability is high badly.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided a kind of effect on moisture extraction is good and stable, reliability is high
For power distribution station high-tension switch cabinet in wet down anti-condensation system.
The object of the present invention is achieved like this：
Wet down anti-condensation system in a kind of high-tension switch cabinet for power distribution station institute, the system, which includes, is installed on indoor open
Cabinet is closed, the flooring is provided with the cable duct for switch cubicle inner cable cabling, and air draft wall hole is provided with indoor wall,
Cable duct blower fan is provided between the air draft wall hole and cable duct, the air intake of the cable duct blower fan is communicated to cable duct, cable
The outlet air end of ditch blower fan is communicated to air draft wall hole；
The system also includes the system host for being installed on interior, and the electric power with controller is provided with the system host
Control mainboard, the controller on the Electric control mainboard is connected with the frequency converter in system host, dehumidifier and air-conditioning, and is
Going out for fresh wind port and refrigerated dehumidification air port, Frequency Converter Control fresh-air fan, and the fresh-air fan is provided with the shell of system main frame
Air port face fresh wind port, the air outlet face refrigerated dehumidification air port of the dehumidifier and air-conditioning；
The system also includes the air intake wall hole being arranged on indoor wall, and the air intake wall hole is communicated to the fresh air of system host
The air inlet of blower fan, so as to import outside air.
The present invention it is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system, the Electric control of the system
Air-conditioning remote control, Temperature Humidity Sensor, Smoke Sensor, water logging warning device, fire alarm installation, outer is also associated with mainboard
Boundary's equipment failure warning device and mobile terminal, the mobile terminal are connected by communication by network and cloud center.
The present invention it is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system, the Temperature Humidity Sensor bag
Sensed containing the indoor temperature and humidity sensor being installed on indoor wall, the outdoor temperature humidity being installed on the hole wall of air intake wall hole
Device and the cable duct Temperature Humidity Sensor being installed in the air channel of cable duct blower fan.
Compared with prior art, the beneficial effects of the invention are as follows：
Cable duct of the present invention is due to the air flow cable duct in negative pressure state, therefore only in switch cubicle, and in cable duct
Moisture will not flow to switch cubicle, so as to reduce the humidity in switch cubicle；And by introducing extraneous fresh air so that indoor place
In barotropic state, ensure that fresh air is constantly poured in switch cubicle, so as to reduce further the humidity in switch cubicle；Meanwhile pass through
Electric control mainboard realize to each local temperature-humidity monitoring and can easily to dehumidifier, fresh-air fan frequency converter,
Cable duct blower fan and air-conditioning etc. are automatically adjusted so that whole operation process can realize unmanned management；Additionally by movement
The setting of terminal so that whole system easily can externally transmit various information, can not only carry out local alarm, can also facilitate
Pass information to remote service personnel.
Brief description of the drawings
Fig. 1 for the present invention it is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system structural representation.
Fig. 2 for the present invention it is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system circuit block diagram.
Wherein：
Switch cubicle 1, cable duct 2, air draft wall hole 3, cable duct blower fan 4, system host 5, air intake 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.
Embodiment
Referring to Fig. 1 and Fig. 2, it is of the present invention it is a kind of for power distribution station high-tension switch cabinet in wet down anti-condensation system
System, the system include the switch cubicle 1 for being installed on interior, and the flooring is provided with for the inner cable cabling of switch cubicle 1
Cable duct 2, and air draft wall hole 3 is provided with indoor wall, it is provided with cable duct blower fan between the air draft wall hole 3 and cable duct 2
4, the air intake of the cable duct blower fan 4 is communicated to cable duct 2, and the outlet air end of cable duct blower fan 4 is communicated to air draft wall hole 3, so as to
Ensure to be in negative pressure state in cable duct 2 so that the wind-force flow direction between cable duct 2 and switch cubicle 1 is to flow to electricity by switch cubicle 1
Cable ditch 2, ensure that the moisture in cable duct 2 will not be in access switch cabinet 1；
The system also includes the system host 5 for being installed on interior, and the electricity with controller is provided with the system host
Power control mainboard, the controller on the Electric control mainboard are connected with frequency converter, dehumidifier and the air-conditioning in system host 5,
And fresh wind port 5.1 and refrigerated dehumidification air port 5.2 are provided with the shell of system host 5, Frequency Converter Control fresh-air fan, and this is new
The air outlet face fresh wind port 5.1 of wind blower fan, the air outlet face refrigerated dehumidification air port 5.2 of the dehumidifier and air-conditioning；
The system also includes the air intake wall hole 6 being arranged on indoor wall, and the air intake wall hole 6 is communicated to system host 5
The air inlet of fresh-air fan, so as to import outside air；
Further, air-conditioning remote control, Temperature Humidity Sensor, smog sensing are also associated with the Electric control mainboard of the system
Device, water logging warning device, fire alarm installation, external device accident warning device and mobile terminal, the mobile terminal pass through
Network is connected by communication with cloud center, so as to supply backstage people after the how inside and outside various information of power distribution station easily is uploaded into cloud center
Member and can transmit information in real time each power distribution station corresponding director；
Further, the Temperature Humidity Sensor includes the indoor temperature and humidity sensor 101 being installed on indoor wall, installation
In the outdoor temperature humidity sensor 102 on the hole wall of air intake wall hole 6 and the cable being installed in the air channel of cable duct blower fan 4
Ditch 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 requires higher than control,
System can realize dehumidification function by the controller automatic start dehumidifier on Electric control mainboard and air-conditioning, indoor wet to ensure
Degree control is in the range of setting；
The system has abandoned heating anti-condensation mode in traditional cabinet, but is reduced by effectively reducing in cabinet air humidity content
The dew-point temperature of air, the humidity of the outer room air of cabinet are under control, and air pressure is in barotropic state（Fresh-air fan is by 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 switch cubicle bottom with electricity
Air can only flow from top to bottom at gap between cable ditch（Cable duct is flowed to out of switch cubicle）, prevented cable duct humid air
In access switch cabinet；And room air of the air only outside cabinet in cabinet is added into, the water capacity of air in cabinet is reduced, really
The dew-point temperature of air in cabinet is protected less than equipment surface temperature in cabinet, so as to reach the purpose of switch cubicle anti-condensation.
In addition：It should be noted that above-mentioned embodiment is only a prioritization scheme of this patent, the skill of this area
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 the switch cubicle of interior（1）, the flooring is provided with for switch cubicle（1）The cable duct of inner cable cabling（2）, and room
Air draft wall hole is provided with interior walls（3）, the air draft wall hole（3）And cable duct（2）Between be provided with cable duct blower fan（4）, should
Cable duct blower fan（4）Air intake be communicated to cable duct（2）, cable duct blower fan（4）Outlet air end be communicated to air draft wall hole（3）；
The system also includes the system host for being installed on interior（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
Connect, 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 intake wall hole being arranged on indoor wall（6）, the air intake wall hole（6）It is communicated to system host
（5）Fresh-air fan air inlet, so as to import outside air.
2. as claimed 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, water logging alarm dress are also associated with the Electric control mainboard of the system
Put, 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 intake wall hole
（6）Hole wall on outdoor temperature humidity sensor（102）And it is installed on cable duct blower fan（4）Air channel in cable duct temperature
Humidity sensor（103）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121362.6A CN107809067A (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 |
|---|---|---|---|
| CN201711121362.6A CN107809067A (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 |
|---|---|
| CN107809067A true CN107809067A (en) | 2018-03-16 |
Family
ID=61591422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711121362.6A Pending CN107809067A (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 |
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| Country | Link |
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| CN (1) | CN107809067A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445925A (en) * | 2018-04-28 | 2018-08-24 | 合肥聚马工程技术有限公司 | Electric panel room dehumidification system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205068206U (en) * | 2015-10-26 | 2016-03-02 | 国家电网公司 | Dampproofing dehumidification system in 35kV high -voltage switch room |
| CN105610072A (en) * | 2016-03-09 | 2016-05-25 | 国家电网公司 | Moisture-proof dehumidification device for high-voltage chamber of substation |
| CN106642603A (en) * | 2016-12-01 | 2017-05-10 | 无锡赛孚电力环境控制设备有限公司 | Temperature control humidity control anti-condensation method for electrical room with cable trench |
| CN207474927U (en) * | 2017-11-14 | 2018-06-08 | 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 CN201711121362.6A patent/CN107809067A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205068206U (en) * | 2015-10-26 | 2016-03-02 | 国家电网公司 | Dampproofing dehumidification system in 35kV high -voltage switch room |
| CN105610072A (en) * | 2016-03-09 | 2016-05-25 | 国家电网公司 | Moisture-proof dehumidification device for high-voltage chamber of substation |
| CN106642603A (en) * | 2016-12-01 | 2017-05-10 | 无锡赛孚电力环境控制设备有限公司 | Temperature control humidity control anti-condensation method for electrical room with cable trench |
| CN207474927U (en) * | 2017-11-14 | 2018-06-08 | 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445925A (en) * | 2018-04-28 | 2018-08-24 | 合肥聚马工程技术有限公司 | Electric panel room dehumidification system |
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