CN109449770A - A kind of switching station's condensation-preventing device - Google Patents
A kind of switching station's condensation-preventing device Download PDFInfo
- Publication number
- CN109449770A CN109449770A CN201811385355.1A CN201811385355A CN109449770A CN 109449770 A CN109449770 A CN 109449770A CN 201811385355 A CN201811385355 A CN 201811385355A CN 109449770 A CN109449770 A CN 109449770A
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- China
- Prior art keywords
- switching station
- layer
- condensation
- main body
- internal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Resistance Heating (AREA)
Abstract
The invention discloses a kind of switching station's condensation-preventing devices, including switching station's main body, switching station's top cover is equipped in switching station's main body, switching station's top cover includes outer layer and internal layer, and accommodation space is equipped between outer layer and internal layer, insulating layer and heating layer are equipped in accommodation space, the insulating layer is bonded with outer layer, and heating layer is located between insulating layer and internal layer, and the heating layer is fitted and connected with internal layer, heating layer is equipped with controller, and the controller is electrically connected with heating layer.The present apparatus is without artificial on duty, high degree of automation, switching station's body interior temperature and external temperature value can be detected in advance come calculate whether be generate condensation condition, heating movement is carried out before condensation does not generate, the generation for preventing condensation improves the anti-condensation ability of the present apparatus.
Description
Technical field
The present invention relates to switching station's technical fields, and in particular to a kind of switching station's condensation-preventing device.
Background technique
Opening and closing meaning is used to receive electric power and distribute the power supply and distribution facility of electric power, is known as switchyard in high-voltage fence.Middle pressure
Switching station in power grid is generally used for the receiving and distribution of 10kV electric power.Divided again equipped with medium-voltage distribution inlet-outlet line, to power
The power distribution equipment matched.It is equivalent to the extension of substation bus bar, can be used for solving that substation's inlet-outlet line interval is limited or inlet-outlet line is walked
Corridor is limited, and plays the role of power supply support in the zone.Medium voltage switchyard can be built jointly when necessary with switchgear house.
In wet condition, the condensation for being attached to switching station's internal head cover gradually pools big water droplet, and big water droplet is under self weight
Pendant is easily fallen into cabinet in secondary terminals or electrical equipment, is caused short circuit to electric loop, is damaged charging operation equipment, even
Cause the failures such as malfunction or refused action.Condensation is generated in switching station following several reasons: switching station's operating area humidity is high,
Climate temperature changes greatly；Switchgear in switching station is in basement, and humidity is high, and cabinet body temperature is especially subaerial temperature
Lower than environment temperature；The switchgear having in switching station is in stoppage in transit state, and subenvironment temperature just more compares ambient enviroment in switching station
It is low, the case where surface easily forms moisture condensation.
Currently, the anti-condensation means of producer, switching station, which are generally taken by the method for condensation sensor control heater, to be prevented
The generation of condensation.Fill a condensation-preventing controller in switching station, when the condensation signal that monitoring control devices to sensor are sent,
Starting heater heating immediately, after condensation is eliminated, controller then closes heater.In principle, this is a kind of anti-condensation
Effective measures.But first, existing condensation sensor is all passive-type movement, humidity is very big in air sometimes, but due to solidifying
Dew sensor does not form condensation also, and therefore, heater not will start, and must have certain hysteresis quality when condensation occurs.
For the anti-condensation precautionary measures as switching station, restart heating close to the edge of condensation to eliminate condensation and lack one in advance
Anti- process.Second, the characteristic defective that condensation sensor is intrinsic, insensitive to relative humidity variations.Third, due to condensation sensor
Sensitivity can be changed after by the chemical attacks in koniology or vapor, anti-condensation control point is caused deviation occur,
At this moment anti-condensation reliability can be reduced, the security reliability of switching station is also reduced.Therefore, it is necessary to change to the prior art
Into.
Summary of the invention
The technical problem to be solved by the present invention is to the deficiencies in the prior art, and it is an object of the present invention to provide a kind of switching station is anti-condensation
Device.
The present invention is achieved through the following technical solutions:
A kind of switching station's condensation-preventing device, including switching station's main body are equipped with switching station's top cover in switching station's main body, described
Switching station's top cover includes outer layer and internal layer, and accommodation space is equipped between outer layer and internal layer, be equipped in accommodation space insulating layer and
Heating layer, the insulating layer are bonded with outer layer, and heating layer is located between insulating layer and internal layer, and the heating layer is bonded company with internal layer
It connects, heating layer is equipped with controller, and the controller is electrically connected with heating layer.
Preferred embodiment, the controller include external temperature sensor, internal temperature sensor and MCU controller, outside
Temperature sensor is fixed at the outside of switching station's main body, and internal temperature sensor is fixed at the interior of switching station's main body
Portion, internal temperature sensor are used to detect the temperature of switching station's body interior, and external temperature sensor is for detecting switching station master
Temperature outside body, external temperature sensor and internal temperature sensor are electrically connected with the I/O pin of MCU controller respectively, described
MCU controller is used to receive the temperature information that external temperature sensor and internal temperature sensor issue and processing switching station's main body
Temperature difference outwardly and inwardly, the heating layer are electrically connected by relay with the I/O pin of MCU controller, the cable of heating layer
It is electrically connected with the switch contact pin of relay, the I/O pin of MCU controller is electrically connected with the coil pin of relay.
Preferred embodiment, the insulating layer are pearlite heat-insulation plate, and the heating layer is that silicon rubber closes electric hot plate, perlite
Insulation board is connect with outer layer by binder, and silicon rubber closing electric hot plate is connect by heat conductive silica gel with internal layer with internal layer.
Preferred embodiment, switching station's main body include outer layer and internal layer, and fireprotection layer, institute are equipped between the outer layer and internal layer
Stating fireprotection layer is magnesium crystalline substance fireproof board, is connected between magnesium crystalline substance fireproof board and outer layer and internal layer by binder.
Preferred embodiment, for the controller including further including humidity sensor, the humidity sensor is fixed at opening and closing
The inside of institute's main body, humidity sensor are used to detect the air humidity information of switching station's body interior, the humidity sensor with
The I/O pin of MCU controller is electrically connected.
Preferred embodiment, the controller further include liquid crystal display, the liquid crystal display input terminal and MCU controller
I/O pin electrical connection, liquid crystal display are used to show switching station's body interior and external temperature information, switching station's body interior
Humidity information and heating layer running state information.
Preferred embodiment offers ventilation opening on the side wall of switching station's main body, and the ventilation opening is located at switching station's main body
Bottom, ventilation opening be equipped with metal mesh panel.
Preferred embodiment, the outer layer and internal layer of switching station's top cover, the outer layer of switching station's main body and internal layer are stainless steel materials
Assembly is welded to form, switching station's top cover and switching station's main body anticorrosion with painting paint.
Preferred embodiment, the controller are fixedly mounted on the panel of switching station's main body.
Compared with prior art, the present invention having the following advantages and benefits: the anti-condensation dress of switching station of the invention
It sets, is equipped with outer layer and internal layer in switching station's top cover, heating layer is provided between outer layer and internal layer, in the outside of switching station's ontology
It is mounted with external temperature sensor and internal temperature sensor, external temperature sensor and internal temperature sensor respectively with inside
It detects and sends information to MCU controller after the temperature of this inside and outside of switching station；MCU controller receives external temperature sensor
Its temperature value is handled with after the input signal of internal temperature sensor.Switching station's ontology is detected in MCU controller
At 5 degrees Celsius higher than internal temperature of external temperature or more, MCU controller controls the switch contact closure of relay, relay
The silicon rubber closing electric hot plate being electrically connected after switch contact closure with relay switch contacts pin starts to add switching station
Heat.The intrinsic temperature of switching station gradually rises during heating, is increased in the intrinsic temperature of switching station and compares switching station
When high 2-5 degrees Celsius of body exterior temperature or more, the switch contact that MCU controller controls relay is disconnected, and relay controls silicon
Rubber closing electric hot plate stopping switching station being heated, with this come realize prevention switching station there is the problem of condensation.The present apparatus
Without artificial on duty, high degree of automation, can detect switching station's body interior temperature and external temperature value in advance to calculate is
The no condition to generate condensation, heating movement is carried out before condensation does not generate, the generation of condensation is prevented, improves the present apparatus
Anti-condensation ability.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is switching station's structural schematic diagram of the present invention；
Fig. 2 is switching station's cross-sectional view of the present invention；
Fig. 3 is control unit structural block diagram of the invention.
Label and corresponding parts title in attached drawing:
1- switching station main body, 2- switching station top cover, 3- controller, 11- ventilation opening, 12- magnesium crystalline substance fireproof board, 21- are precious
Pearl rock insulation board, 22- silicon rubber close electric hot plate, 31- internal temperature sensor, 32- external temperature sensor.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment
As shown in Figure 1 to Figure 3, a kind of switching station's condensation-preventing device of the present invention, including switching station's main body 1, in switching station master
Body 1 is equipped with switching station's top cover 2, and switching station's top cover 2 includes outer layer and internal layer, and accommodation space is equipped between outer layer and internal layer,
Insulating layer and heating layer are equipped in accommodation space, insulating layer is preferably pearlite heat-insulation plate 21, and heating layer is preferably silicon rubber envelope
Electric hot plate 22 is closed, pearlite heat-insulation plate 21 is bonded by binder with outer layer, and silicon rubber closing electric hot plate 22 is located at perlite guarantor
Between warm plate 21 and internal layer, silicon rubber closing electric hot plate 22 is fitted and connected by heat conductive silica gel and internal layer.Silicon rubber closes electric heating
Plate 22 is equipped with controller 3, and controller 3 is electrically connected with silicon rubber closing electric hot plate 22, and controller 3 is fixedly mounted on switching station's main body
On 1 panel.
Controller 3 includes external temperature sensor 32, internal temperature sensor 31 and MCU controller, external temperature sensing
Device 32 is fixed by the bracket the outside that switching station's main body 1 is arranged in, and internal temperature sensor 31 is fixed by the bracket setting and is opening
The inside of institute's main body 1 is closed, internal temperature sensor 31 is used to detect the temperature inside switching station's main body 1, external temperature sensor
32 for detecting the temperature outside switching station's main body 1, and external temperature sensor 32 and internal temperature sensor 31 are controlled with MCU respectively
The I/O pin of device processed is electrically connected, and MCU controller is used to receive external temperature sensor 32 and internal temperature sensor 31 issues
The temperature difference of temperature information and processing switching station's main body 1 outwardly and inwardly.Silicon rubber closes electric hot plate 22 and passes through relay and MCU
The I/O pin of controller is electrically connected, and the cable of silicon rubber closing electric hot plate 22 is electrically connected with the switch contact pin of relay, MCU
The I/O pin of controller is electrically connected with the coil pin of relay.
MCU controls implement body processing mode are as follows: MCU controller receives external temperature sensor 32 and internal temperature sensor
Its temperature value is handled after the input signal of device 31.In the external temperature ratio that MCU controller detects switching station's ontology 1
At high 5 degrees Celsius of portion's temperature or more, MCU controller controls the switch contact closure of relay, the switch contact closure of relay
The silicon rubber closing electric hot plate 22 being electrically connected afterwards with relay switch contacts pin starts to heat switching station.Heated
Temperature in Cheng Zhong switching station ontology 1 gradually rises, and is increased in the temperature in switching station's ontology 1 than outside switching station ontology 1
At high 2-5 degrees Celsius of temperature or more, the switch contact that MCU controller controls relay is disconnected, and relay controls silicon rubber closing
Electric hot plate 22 stopping switching station being heated, with this come realize prevention switching station there is the problem of condensation.
Preferred embodiment scheme, switching station's main body 1 include outer layer and internal layer, and fireprotection layer is equipped between outer layer and internal layer, is prevented
Fire bed is magnesium crystalline substance fireproof board 12, is connected between magnesium crystalline substance fireproof board 12 and outer layer and internal layer by binder, and magnesium crystalline substance is anti-
Fiery flame-retardant board 12.The magnesium crystalline substance fireproof board 12 is using natural inorganic mineral as main material, and macromolecule modified material is reinforcing agent, with
Light material is the new type natural ornament materials of the compound composition of filler, and fire-protection rating is high, and fire-protection rating is A grades, and formaldehyde is released
High-volume E0 grades, colorless and odorless, Moisture-proof water-resistant, occurring burning in switching station has the function of completely cutting off fire source, improves switching station
Security performance.
Preferred embodiment scheme, for controller 3 including further including humidity sensor, humidity sensor is fixed at switching station
The inside of main body 1, humidity sensor are used to detect the air humidity information inside switching station's main body 1, and humidity sensor and MCU are controlled
The I/O pin of device processed is electrically connected, and when humidity sensor detects that the air humidity in switching station's main body 1 is 80%, and is opened and closed
At 5 degrees Celsius higher than internal temperature of 1 external temperature of institute's ontology or more, MCU controls equipment control relay starting silicon rubber closing
Switching station is heated in the stopping of electric hot plate 22.Controller 3 further includes liquid crystal display, and liquid crystal display input terminal and MCU are controlled
The I/O pin of device processed is electrically connected, and liquid crystal display is for showing the inside and outside temperature information of switching station's main body 1, switching station master
The running state information of humidity information and silicon rubber closing electric hot plate 22 inside body 1.
Preferred embodiment scheme offers ventilation opening 11 on the side wall of switching station's main body 1, and ventilation opening 11 is located at switching station master
The bottom of body 1, ventilation opening 11 are equipped with metal mesh panel, and ventilation opening 11 is for the high temperature gas flow in convection current switching station ontology 1, drop
Electric equipment operation temperature in low switching station's ontology 1.
Preferred embodiment scheme, the outer layer and internal layer of switching station's top cover 2, the outer layer of switching station's main body 1 and internal layer are not
Rust steel board assembly is welded to form, and 1 anticorrosion with painting paint of switching station's top cover 2 and switching station's main body improves the corrosion resistance of switching station,
Improve its service life.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of switching station's condensation-preventing device, including switching station's main body are equipped with switching station's top cover, feature in switching station's main body
It is, switching station's top cover includes outer layer and internal layer, and accommodation space is equipped between outer layer and internal layer, is equipped in accommodation space
Insulating layer and heating layer, the insulating layer are bonded with outer layer, and heating layer is located between insulating layer and internal layer, the heating layer with it is interior
Layer is fitted and connected, and heating layer is equipped with controller, and the controller is electrically connected with heating layer.
2. a kind of switching station's condensation-preventing device according to claim 1, which is characterized in that the controller includes external temperature
Degree sensor, internal temperature sensor and MCU controller, external temperature sensor are fixed at the outside of switching station's main body,
Internal temperature sensor is fixed at the inside of switching station's main body, and internal temperature sensor is for detecting switching station's body interior
Temperature, external temperature sensor is used to detect the temperature of switching station's body exterior, and external temperature sensor and internal temperature pass
Sensor is electrically connected with the I/O pin of MCU controller respectively, and the MCU controller is for receiving external temperature sensor and inside temperature
The temperature information and handle switching station's body exterior and internal temperature difference that sensor issues are spent, the heating layer passes through relay
It is electrically connected with the I/O pin of MCU controller, the cable of heating layer is electrically connected with the switch contact pin of relay, MCU controller
I/O pin be electrically connected with the coil pin of relay.
3. a kind of switching station's condensation-preventing device according to claim 1, which is characterized in that the insulating layer is perlite guarantor
Warm plate, the heating layer are that silicon rubber closes electric hot plate, and pearlite heat-insulation plate is connect with outer layer by binder, silicon rubber closing
Electric hot plate is connect by heat conductive silica gel with internal layer with internal layer.
4. a kind of switching station's condensation-preventing device according to claim 1, which is characterized in that switching station's main body includes outer
Layer and internal layer, are equipped with fireprotection layer between the outer layer and internal layer, the fireprotection layer is magnesium crystalline substance fireproof board, magnesium crystalline substance fire protection flame retarding
It is connected between plate and outer layer and internal layer by binder.
5. a kind of switching station's condensation-preventing device according to claim 2, which is characterized in that the controller includes further including
Humidity sensor, humidity sensor are fixed at the inside of switching station's main body, and humidity sensor is for detecting switching station's main body
Internal air humidity information, the humidity sensor are electrically connected with the I/O pin of MCU controller.
6. a kind of switching station's condensation-preventing device according to claim 2, which is characterized in that the controller further includes liquid crystal
Display, liquid crystal display input terminal are electrically connected with the I/O pin of MCU controller, and liquid crystal display is for showing switching station's main body
Inside and outside temperature information, the humidity information of switching station's body interior and the running state information of heating layer.
7. a kind of switching station's condensation-preventing device according to claim 1, which is characterized in that the side wall of switching station's main body
On offer ventilation opening, the ventilation opening is located at the bottom of switching station's main body, and ventilation opening is equipped with metal mesh panel.
8. a kind of switching station's condensation-preventing device according to claim 1 or 4, which is characterized in that the outer layer of switching station's top cover
It is that stainless steel materials assembly is welded to form with internal layer, the outer layer of switching station's main body and internal layer, switching station's top cover and switching station master
Body anticorrosion with painting paint.
9. a kind of switching station's condensation-preventing device according to claim 1, which is characterized in that controller is fixedly mounted on opening and closing
On the panel of institute's main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385355.1A CN109449770A (en) | 2018-11-20 | 2018-11-20 | A kind of switching station's condensation-preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385355.1A CN109449770A (en) | 2018-11-20 | 2018-11-20 | A kind of switching station's condensation-preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109449770A true CN109449770A (en) | 2019-03-08 |
Family
ID=65553338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811385355.1A Pending CN109449770A (en) | 2018-11-20 | 2018-11-20 | A kind of switching station's condensation-preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109449770A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416880A (en) * | 2019-08-20 | 2019-11-05 | 深圳供电局有限公司 | A kind of outdoor electric power equipment box of intelligence ice-melt and the one that dehumidifies |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201312068Y (en) * | 2008-11-20 | 2009-09-16 | 常州帕斯菲克自动化技术有限公司 | Switch cabinet intelligent temperature difference type anti condensation controller |
| CN201478706U (en) * | 2009-06-23 | 2010-05-19 | 卢景华 | Switch cabinet anti-condensation controller |
| CN103326258A (en) * | 2013-07-08 | 2013-09-25 | 万能亿自动化科技（苏州）有限公司 | Sealing switch cabinet capable of preventing condensation |
| CN108062133A (en) * | 2017-12-29 | 2018-05-22 | 国家电网公司 | A kind of electric power cabinet dehydrating unit |
-
2018
- 2018-11-20 CN CN201811385355.1A patent/CN109449770A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201312068Y (en) * | 2008-11-20 | 2009-09-16 | 常州帕斯菲克自动化技术有限公司 | Switch cabinet intelligent temperature difference type anti condensation controller |
| CN201478706U (en) * | 2009-06-23 | 2010-05-19 | 卢景华 | Switch cabinet anti-condensation controller |
| CN103326258A (en) * | 2013-07-08 | 2013-09-25 | 万能亿自动化科技（苏州）有限公司 | Sealing switch cabinet capable of preventing condensation |
| CN108062133A (en) * | 2017-12-29 | 2018-05-22 | 国家电网公司 | A kind of electric power cabinet dehydrating unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416880A (en) * | 2019-08-20 | 2019-11-05 | 深圳供电局有限公司 | A kind of outdoor electric power equipment box of intelligence ice-melt and the one that dehumidifies |
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Application publication date: 20190308 |
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