CN205911619U - Urban area is joined in marriage screen cabinet and is prevented condensation device - Google Patents
Urban area is joined in marriage screen cabinet and is prevented condensation device Download PDFInfo
- Publication number
- CN205911619U CN205911619U CN201620506522.3U CN201620506522U CN205911619U CN 205911619 U CN205911619 U CN 205911619U CN 201620506522 U CN201620506522 U CN 201620506522U CN 205911619 U CN205911619 U CN 205911619U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- side wall
- condensation
- cabinet body
- fan
- 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.)
- Expired - Fee Related
Links
- 238000009833 condensation Methods 0.000 title abstract description 15
- 230000005494 condensation Effects 0.000 title abstract description 14
- 239000004065 semiconductor Substances 0.000 claims abstract description 28
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000008901 benefit Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000005679 Peltier effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model relates to an urban area is joined in marriage screen cabinet and is prevented condensation device, including the cabinet body, humidity transducer, fan and setting at internal controller, the semiconductor refrigeration piece of cabinet, humidity transducer, semiconductor refrigeration piece and fan are connected with the controller respectively, cabinet body bottom is provided with the delivery port, and the delivery port is connected with the drain pipe, the fan setting is provided with respectively into the wind gap on the left side wall of the cabinet body and the right side wall on the preceding lateral wall of the cabinet body, the bottom of the cabinet body is funnel -shaped structure, humidity transducer sets up in the external portion of cabinet, the semiconductor refrigeration piece sets up respectively on the left side wall and right side wall of the cabinet body, and semiconductor refrigeration piece and income wind gap set up relatively, semiconductor refrigeration piece place plane and the distance of going into between the wind gap are 5~15cm, the controller is the singlechip, is provided with the threshold value temperature in the singlechip. The utility model discloses effectively prevent to join in marriage net equipment and distribution automation device and because of the problem of the moist corrosion of condensation, improved the online rate level in distribution automation remote control success rate and terminal, improved work efficiency, saved manpower and time cost.
Description
Technical field
The utility model is related to a kind of city distribution screen cabinet condensation-preventing device, belongs to the technical field of power supply unit.
Background technology
Distribution screen cabinet in city mainly includes the indoor high-voltage switch gear of 10kv ring main unit, cable branch box, switching station and distribution
Cabinet and distributing automation apparatus cabinet etc., are typically provided with switchgear, a secondary control loop system in screen cabinet and join
Electric automation terminal installation module etc..Due to the particularity of distribution screen cabinet working environment and the particularity of therein structure, join
Screen cabinet, in equipment runs and overhauls, is vulnerable to the erosion of moisture, and when air humidity is larger, in screen cabinet, moist condensation amasss
Water.
In distribution screen cabinet, the impact to the equipment in cabinet for the condensation accumulated water is very big, the equipment in cabinet such as bus, breaker, electric current
The equipment such as transformer, voltage transformer, arrester, cable termination can gradually corrosion, also can cause when serious apparatus insulated puncture,
The phenomenons such as phase fault, equipment malfunction and tripping.Additionally it is easily caused secondary control loop insulation against ground to decline, severe patient insulate
Resistance drops to zero, thus forming DC positive power or negative supply ground connection.If causing DC earthing it is possible to cause direct current to protect
Danger fusing, relay fail or malfunction, seriously threaten electric power netting safe running.For distribution power automation terminal device, condensation is moist tight
Ghost image rings terminal installation binding post, causes terminal installation can not correctly reflect that field apparatus operation conditions can not simultaneously to main website
The correct various orders passing on main website to issue, have a strong impact on power distribution automation successful rate of remote control and the online rate of terminal.
Some distribution screen cabinets are arranged on basement, and ambient humidity is high, and the particularly subaerial temperature of cabinet body temperature is low
In environment temperature, gas temperature change is big, and cable duct even has ponding to be occurred；In addition, if equipment is in temporary transient stoppage in transit in cabinet
State, in cabinet, subenvironment temperature is just low than ambient temperature, just easily forms condensation, in this case, one on its surface
Denier power transmission puts into operation it is easy to have an accident.
Field of distribution network mainly adopts and strengthens screen cabinet inner air and outer air circulation, strengthens shielding the closure of bottom of cabinet portion and using electricity at present
The mode of heating prevents condensation from producing.For example, Chinese patent cn201220626521 discloses and a kind of has anti-condensation effect
Distribution box, this distribution box is exactly simple to carry out dehumidifying in cabinet by way of increasing cabinet inner air flow.By in screen cabinet two
STH mode strengthens air circulation, and minimizing temperature difference mode effect is poor, and operation equipment need to be transformed, and feasibility is not
High；The effect on moisture extraction preferably still easily dry and cracked deformation of clay by the way of strengthening the closure of screen bottom of cabinet portion, construction is complicated, to built
Operation equipment is changed larger；Using heating and dehumidification principle predominantly temperature higher in the case of can accommodate more steam, but wet
Gas is also stayed in cabinet, if external environment condition is significantly lowered the temperature, moisture still can separate out formation condensation.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of city distribution screen cabinet condensation-preventing device.
Term illustrates:
Semiconductor chilling plate: be also thermoelectric module, be a kind of heat pump.Its advantage is that do not have slide unit, applies
Some spaces are restricted, and reliability requirement is high, no the occasion of cold-producing medium pollution.Using the peltier effect of semi-conducting material,
When the galvanic couple that direct current is connected into by two kinds of different semi-conducting materials, heat can be absorbed respectively at the two ends of galvanic couple and put
Go out heat, it is possible to achieve the purpose of refrigeration.It is a kind of Refrigeration Technique producing negative thermal resistance, is characterized in movement-less part, can
Also higher by property.
The technical solution of the utility model is:
A kind of city distribution screen cabinet condensation-preventing device, including cabinet, humidity sensor, fan be arranged on the control in cabinet
Device processed, semiconductor chilling plate；Humidity sensor, semiconductor chilling plate and fan are connected with controller respectively；Bottom of cabinet bulk is arranged
There is delivery port, fan is arranged on the front side wall of cabinet, the left side wall of cabinet and right side wall are respectively arranged with air intake vent.
Preferably, humidity sensor is arranged on outside cabinet.Humidity sensor to cabinet external environment condition, that is, in distribution screen cabinet
The environment in portion carries out real-time monitoring.
Preferably, the bottom of cabinet is funnel-shaped structure.The outflow that the advantage herein designing is easy for catchmenting with water.
Preferably, semiconductor chilling plate is separately positioned on the left side wall and right side wall of cabinet, semiconductor chilling plate with enter
Air port is oppositely arranged；The distance between semiconductor chilling plate place plane and air intake vent are 5～15cm.The advantage herein designing
It is to increase from the air of air intake vent entrance and the contact area of semiconductor chilling plate and time of contact.Semiconductor chilling plate divide with
The left side wall of cabinet and right side wall be arranged in parallel, and the air entering from air intake vent is directly blown onto semiconductor chilling plate surface.
Preferably, controller is single-chip microcomputer, is provided with threshold temperature in single-chip microcomputer.
It is further preferred that single-chip microcomputer is also associated with control panel.Different threshold value humidity can be set by control panel.
Preferably, delivery port is connected with drainpipe.The effect of drainpipe is that the water of the condensed water of collection is discharged to distribution screen
Outside cabinet.
The distribution screen cabinet condensation-preventing device course of work in city described in the utility model is as follows, first will be described in the utility model
Distribution screen cabinet condensation-preventing device in city is fixedly installed on inside distribution screen cabinet, and described control module passes through humidity sensor to distribution
In screen cabinet, air is detected, if humidity reaches threshold value humidity, control device controls startup fan and semiconductor chilling plate to enter
Row cool-down dehumidification, fan forces relatively damp and hot air in distribution screen cabinet to enter in cabinet described in the utility model, leads through more than half
The condensation to water vapor in air for the body cooling piece, thus constantly producing condensation on semiconductor chilling plate surface, lasting condensation is
End form becomes solidifying water, and solidifying water is discharged outside distribution screen cabinet by drainpipe, realizes reducing moisture and moisture in distribution screen cabinet.Using
Distribution screen cabinet condensation-preventing device in city described in the utility model is dehumidified, even if external environment condition is significantly lowered the temperature, due to distribution
In screen cabinet, moisture is considerably less, also will not produce condensation again, realizes continuing drying out inside electric cabinet.
The beneficial effects of the utility model are:
1st, distribution screen cabinet condensation-preventing device in city described in the utility model, effectively prevent distribution net equipment and power distribution automation
Device, because of the problem of condensation humidity corrosion, greatly reduces distributing automation apparatus mistaking signal, distribution electrical secondary system direct current connects
Situations such as ground, decrease the workload of attendant, improve power distribution automation successful rate of remote control and terminal online rate level, carry
High operating efficiency, saves manpower and time cost；
2nd, distribution screen cabinet condensation-preventing device in city described in the utility model, effectively increases the general level of the health of distribution net equipment,
Ensure that distribution net equipment has suitable running environment, reduce power off time it is ensured that power supply continuation, increase electricity sales amount, improve enterprise
Industry economic benefit；Avoid a series of security hidden troubles bringing because of distribution screen cabinet humidity, to ensuring personal safety and distribution
The safe and stable operation of net has great significance.
Brief description
Fig. 1 is the front elevation of distribution screen cabinet condensation-preventing device in city described in the utility model；
Fig. 2 is the side view of distribution screen cabinet condensation-preventing device in city described in the utility model；
Fig. 3 is the circuit connection diagram of distribution screen cabinet condensation-preventing device in city described in the utility model；
Wherein, 1, fan；2nd, delivery port；3rd, air intake vent；4th, front side wall；5th, control panel；6th, humidity sensor；7th, partly lead
Body cooling piece；8th, controller.
Specific embodiment
With reference to embodiment and Figure of description, the utility model is described further, but not limited to this.
Embodiment 1
As Figure 1-3.
A kind of city distribution screen cabinet condensation-preventing device, including cabinet, humidity sensor 6 fan 1 be arranged in cabinet
Controller 8, semiconductor chilling plate 7；Humidity sensor 6, semiconductor chilling plate 7 and fan 1 are connected with controller 8 respectively；Cabinet
Bottom is provided with delivery port 2, and fan 1 is arranged on the front side wall 4 of cabinet, and the left side wall of cabinet and right side wall are respectively arranged with
Air intake vent 3.
Embodiment 2
City distribution screen cabinet condensation-preventing device as described in Example 1, its difference is, humidity sensor 6 is arranged on cabinet
External body.Humidity sensor 6 carries out real-time monitoring to cabinet external environment condition, i.e. environment within distribution screen cabinet.
Embodiment 3
City distribution screen cabinet condensation-preventing device as described in Example 1, its difference is, the bottom of cabinet is tied for infundibulate
Structure.The outflow that the advantage herein designing is easy for catchmenting with water.
Embodiment 4
City distribution screen cabinet condensation-preventing device as described in Example 1, its difference is, semiconductor chilling plate 7 sets respectively
Put on the left side wall and right side wall of cabinet, semiconductor chilling plate 7 is oppositely arranged with air intake vent 3；Semiconductor chilling plate 7 is located flat
The distance between face and air intake vent 3 are 10cm.The advantage herein designing is to increase the air entering from air intake vent 3 and semiconductor
The contact area of cooling piece 7 and time of contact.
Embodiment 5
City distribution screen cabinet condensation-preventing device as described in Example 1, its difference is, controller 8 is single-chip microcomputer, monolithic
It is provided with threshold temperature in machine.
Embodiment 6
City distribution screen cabinet condensation-preventing device as described in Example 5, its difference is, single-chip microcomputer is also associated with chain of command
Plate 5.Different threshold value humidity can be set by control panel 5.
Embodiment 7
City distribution screen cabinet condensation-preventing device as described in Example 1, its difference is, delivery port 2 is connected with drainpipe.
The effect of drainpipe is that the water of the condensed water of collection is discharged to outside distribution screen cabinet.
Claims (2)
1. a kind of city distribution screen cabinet condensation-preventing device is it is characterised in that including cabinet, humidity sensor, fan and being arranged on
Controller in cabinet, semiconductor chilling plate；Humidity sensor, semiconductor chilling plate and fan are connected with controller respectively；Cabinet
Body bottom is provided with delivery port, and delivery port is connected with drainpipe；Fan is arranged on the front side wall of cabinet, the left side wall of cabinet and
Air intake vent is respectively arranged with right side wall；The bottom of cabinet is funnel-shaped structure；Humidity sensor is arranged on outside cabinet；Partly lead
Body cooling piece is separately positioned on the left side wall and right side wall of cabinet, and semiconductor chilling plate is oppositely arranged with air intake vent；Semiconductor
The distance between cooling piece place plane and air intake vent are 5～15cm；Controller is single-chip microcomputer, is provided with threshold value temperature in single-chip microcomputer
Degree.
2. distribution screen cabinet condensation-preventing device in city according to claim 1 is it is characterised in that single-chip microcomputer is also associated with controlling
Panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620506522.3U CN205911619U (en) | 2016-05-27 | 2016-05-27 | Urban area is joined in marriage screen cabinet and is prevented condensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620506522.3U CN205911619U (en) | 2016-05-27 | 2016-05-27 | Urban area is joined in marriage screen cabinet and is prevented condensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205911619U true CN205911619U (en) | 2017-01-25 |
Family
ID=57815704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620506522.3U Expired - Fee Related CN205911619U (en) | 2016-05-27 | 2016-05-27 | Urban area is joined in marriage screen cabinet and is prevented condensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205911619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103004A (en) * | 2019-12-16 | 2020-05-05 | 国网山东省电力公司威海供电公司 | Condensation tester is prevented to looped netowrk cabinet |
-
2016
- 2016-05-27 CN CN201620506522.3U patent/CN205911619U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103004A (en) * | 2019-12-16 | 2020-05-05 | 国网山东省电力公司威海供电公司 | Condensation tester is prevented to looped netowrk cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108134327A (en) | It is a kind of air-cooled except condensation system and its except condensation method | |
| CN103472778B (en) | Intelligent control management system between skyscraper electrical equipment | |
| CN203422658U (en) | Intelligent control management system for high-rise building electrical equipment room | |
| CN102545080A (en) | Sealed structure of mini-type electronic dehumidifying and cooling machine | |
| CN203983792U (en) | A kind of novel quick heat radiating low-voltage comprehensive distribution box | |
| CN202975882U (en) | Online intelligent condensation-proof dehumidification system | |
| CN105652931A (en) | Intelligent adjustment system for metal-enclosed middle-arrangement switchgear of substation and adjustment method of intelligent adjustment system | |
| CN104078857A (en) | Moisture-proof condensed water guiding device | |
| CN205210743U (en) | Intelligent humiture control device | |
| CN107887824A (en) | A kind of terminal box intelligence convection current wind heating and dehumidification integrated system and method | |
| CN205911619U (en) | Urban area is joined in marriage screen cabinet and is prevented condensation device | |
| CN104298284A (en) | Dehumidification device for high-tension switch cabinet | |
| CN202474593U (en) | Enclosed structure of miniature electronic dehumidifying cooler | |
| CN106300091B (en) | Add the semiconductor dehumidifying device for switchgear cool-down dehumidification of partition board | |
| CN205724431U (en) | A kind of city distribution screen cabinet condensation-preventing device | |
| CN217692125U (en) | Intelligent dehumidification device for power switch cabinet | |
| CN205507592U (en) | Put cubical switchboard intelligent regulation system in transformer substation's armor | |
| CN208190086U (en) | A kind of water drain type electric cabinet dehumidifier | |
| CN208537993U (en) | A kind of novel transformer substation intelligent comprehensive dehumidification system | |
| CN203415854U (en) | Switch cabinet-used moistureproof condensation leading device | |
| CN207339208U (en) | Draining cable channel cover plate under a kind of ventilation rainproof | |
| CN207069334U (en) | A kind of ring main unit with radiating and antifogging function | |
| CN105186337A (en) | Switch cabinet dehumidification device | |
| CN203690847U (en) | Anti-condensation device for long vertical enclosed busbar with heavy current | |
| CN206806751U (en) | A kind of intelligent Moisture-proof switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20170527 |