CN203760874U - Enclosed switch cabinet dehumidifier - Google Patents
Enclosed switch cabinet dehumidifier Download PDFInfo
- Publication number
- CN203760874U CN203760874U CN201420149410.8U CN201420149410U CN203760874U CN 203760874 U CN203760874 U CN 203760874U CN 201420149410 U CN201420149410 U CN 201420149410U CN 203760874 U CN203760874 U CN 203760874U
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- China
- Prior art keywords
- contactor
- heating plate
- dryer
- hair
- temperature
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- Expired - Fee Related
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Abstract
The utility model relates to an enclosed switch cabinet dehumidifier comprising a blower, an air supply pipe, a heating plate, a contactor A, a contactor B, a temperature-humidity sensor, and a temperature-humidity controller. The power input end of the temperature-humidity sensor is connected with a single-phase power supply; the input side of the temperature-humidity controller is connected with the temperature-humidity sensor; the output side of the temperature-humidity controller is connected with the input side of the contactor A and the input side of the contactor B; the output side of the contactor A is connected with the heating plate; the heating plate is mounted in the air supply pipe which is connected with an air outlet of the blower; the input side of the blower is connected with the output side of the contactor B; the power input end of the contactor B is connected with a three-phase power supply. The enclosed switch cabinet dehumidifier is simple in structure, easy to manufacture, convenient to mount and highly universal, and is capable of regulating temperature and humidity controlled values at any time to ventilate, heat and dehumidify the inside of the switch cabinet just by being used with existing control software, insulation life of equipment is prolonged, and reliable operation of equipment is ensured.
Description
Technical field
The utility model relates to switch cubicle aeration technology field, particularly a kind of enclosed switchgear dehydrating unit.
Background technology
In recent years, transformer station, the equipment of user's power distribution cabinet in one's power that opens and closes adopt enclosed switchgear in a large number, and these switch cubicles are arranged on ground floor or basement mostly, ventilation condition is bad, ambient humidity contrast is larger, and the equipment in enclosed switchgear of easily making makes moist, and long-time running meeting makes apparatus insulated decline gradually in switch cubicle, cause apparatus insulatedly puncturing, the accident such as equipment explosion, serious harm electrical network and personal safety.For this reason, be necessary to design a kind of for coordinating existing control software just can realize the device that equipment in switch cubicle is carried out to ventilation drying.
Utility model content
The purpose of this utility model is to provide a kind of simple in structure, enclosed switchgear dehydrating unit of making easy, easy for installation and highly versatile, and this device is used for coordinating existing control software, to realize, equipment in switch cubicle is carried out to ventilation drying.
To achieve these goals, the technical solution of the utility model is a kind of enclosed switchgear dehydrating unit, comprise hair-dryer, ajutage, heating plate, contactor A, contactor B, humiture inductor and temperature and humidity controller, the power input of described temperature and humidity controller connects single phase poaer supply, the input side of described temperature and humidity controller connects humiture inductor, the outlet side of described temperature and humidity controller is connected with the input side of contactor B with the input side of contactor A respectively, the outlet side of described contactor A is connected with heating plate, described heating plate is arranged in the ajutage being connected with the air outlet of hair-dryer, the input side of described hair-dryer is connected with the outlet side of contactor B, the power input of described contactor B connects three phase mains.
Further, described humiture inductor is made up of macromolecule humistor and NTC thermistor.
Further, described heating plate is arranged on the junction near hair-dryer air outlet in ajutage, and described heating plate is rectangle METAL HEATING PROCESS sheet.
Further, described hair-dryer is high-power industrial hair-dryer.
Further, described contactor A and contactor B are electronic controller, and described contactor A is the switch that heating plate input power open and close closes, and described contactor B is the switch that hair-dryer input power open and close closes.
Further, this enclosed switchgear dehydrating unit also comprises indicator light, and described indicator light comprises burner on light and relay indicating light, and described burner on light and heating plate are connected in parallel, and described relay indicating light and hair-dryer are connected in parallel.
Further, described indicator light is the red status indicator light of rated voltage AC 220V, power 1W.
The utlity model has following advantage: this enclosed switchgear dehydrating unit draws materials, makes simple, installation, use, easy to maintenance; Coordinate existing control software just can adjust at any time temperature, wet control definite value, to ventilating in switch cubicle, heating, hydrofuge, improve the insulation life of equipment, support equipment reliability service, safe; Highly versatile, applicable to semiclosed, the enclosed switchgear of transformer station, switchyard.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Brief description of the drawings
Fig. 1 is the theory diagram of the utility model embodiment.
Fig. 2 is the circuit diagram of the utility model embodiment.
In figure: 1-temperature and humidity controller, 2-humiture inductor, 3-contactor A, 4-contactor B, 5-heating plate, 6-burner on light, 7-relay indicating light, 8-hair-dryer, the motor of D-hair dryer, L-live wire, N-zero line, the resistance of R-heating plate, the coil of KM1-contactor A, the coil of KM2-contactor B, ZK-unit switch.
Embodiment
As shown in Figure 1 and 2, a kind of enclosed switchgear dehydrating unit, comprise hair-dryer 8, ajutage, heating plate 5, contactor A 3, contactor B 4, humiture inductor 2 and temperature and humidity controller 1, the power input of described temperature and humidity controller 1 connects single-phase 220V power supply, the input side of described temperature and humidity controller 1 connects humiture inductor 2, the outlet side of described temperature and humidity controller 1 is connected with the input side of contactor B 4 with the input side of contactor A 3 respectively, the outlet side of described contactor A 3 is connected with heating plate 5, described heating plate 5 is arranged in the ajutage being connected with the air outlet of hair-dryer 8, the input side of described hair-dryer 8 is connected with the outlet side of contactor B 4, the power input of described contactor B 4 connects three-phase 380V power supply.
In the present embodiment, described hair-dryer 8 is high-power industrial hair-dryer 8, and described heating plate 5 is arranged on the junction near hair-dryer 8 air outlets in ajutage, and described heating plate 5 is rectangle METAL HEATING PROCESS sheet.Described contactor A 3 and contactor B 4 are electronic controller, and output has 3 to 5 normal battles; The switch that described contactor A 3 closes for heating plate 5 input power open and closes, the switch that described contactor B 4 closes for hair-dryer 8 input power open and closes.Described humiture inductor 2 is made up of macromolecule humistor and NTC thermistor, and described temperature and humidity controller 1 has doubleway output automatic warm moisture control function.
In the present embodiment, this enclosed switchgear dehydrating unit also comprises indicator light, and described indicator light is the red status indicator light of rated voltage AC 220V, power 1W, and described indicator light comprises burner on light 6 and relay indicating light 7.Described burner on light 6 is heating plate 5 working station indicators, with heating plate 5 and connect.In the time that heating plate 5 stops heating, burner on light 6 is dark, when humidity in enclosed switchgear higher than or temperature during lower than set point, heating plate 5 is worked, burner on light 6 is bright.Described relay indicating light 7 is hair-dryer 8 working station indicators, with hair-dryer 8 and connect.In the time that hair-dryer 8 is out-of-blast, relay indicating light 7 is dark, and in the time that hair-dryer 8 is blown hydrofuge, cooling, relay indicating light 7 is bright.
In the present embodiment, this enclosed switchgear dehydrating unit in use: ajutage is laid to enclosed switchgear bottom or top, and humiture inductor 2 is arranged in enclosed switchgear, connect the working power of temperature and humidity controller 1; In the time of the humidity rising in enclosed switchgear or temperature decline, temperature and humidity controller 1 is controlled contactor B 4 processed and contactor A 3 closures, and hair-dryer 8 starts air-supply, and relay indicating light 7 is bright, and while heating plate 5 starts to heat, and burner on light 6 is bright; In the time that the humiture in enclosed switchgear reaches the set point of temperature and humidity controller 1, the connectivity points of temperature and humidity controller 1 control contactor A 3 and contactor B 4 disconnects, and heating plate 5 stops heating, and hair-dryer 8 is out-of-blast.
In the present embodiment, this enclosed switchgear dehydrating unit changes and dehumidifies, heats up humiture in enclosed switchgear according to temperature and humidity controller 1, by Temperature and Humidity Control within the scope of equipment ideal operation.The temperature in enclosed switchgear is controlled at 35 DEG C ~ 40 DEG C by described temperature and humidity controller 1, and humidity is controlled at 40% ~ 45%.
It is same as the prior art that the present embodiment is not stated part, and the foregoing is only preferred embodiment of the present utility model, and all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (7)
1. an enclosed switchgear dehydrating unit, it is characterized in that: comprise hair-dryer, ajutage, heating plate, contactor A, contactor B, humiture inductor and temperature and humidity controller, the power input of described temperature and humidity controller connects single phase poaer supply, the input side of described temperature and humidity controller connects humiture inductor, the outlet side of described temperature and humidity controller is connected with the input side of contactor B with the input side of contactor A respectively, the outlet side of described contactor A is connected with heating plate, described heating plate is arranged in the ajutage being connected with the air outlet of hair-dryer, the input side of described hair-dryer is connected with the outlet side of contactor B, the power input of described contactor B connects three phase mains.
2. enclosed switchgear dehydrating unit according to claim 1, is characterized in that: described humiture inductor is made up of macromolecule humistor and NTC thermistor.
3. enclosed switchgear dehydrating unit according to claim 1, is characterized in that: described heating plate is arranged on the junction near hair-dryer air outlet in ajutage, and described heating plate is rectangle METAL HEATING PROCESS sheet.
4. enclosed switchgear dehydrating unit according to claim 1, is characterized in that: described hair-dryer is high-power industrial hair-dryer.
5. enclosed switchgear dehydrating unit according to claim 1, it is characterized in that: described contactor A and contactor B are electronic controller, described contactor A is the switch that heating plate input power open and close closes, and described contactor B is the switch that hair-dryer input power open and close closes.
6. enclosed switchgear dehydrating unit according to claim 1, it is characterized in that: also comprise indicator light, described indicator light comprises burner on light and relay indicating light, and described burner on light and heating plate are connected in parallel, and described relay indicating light and hair-dryer are connected in parallel.
7. enclosed switchgear dehydrating unit according to claim 6, is characterized in that: described indicator light is the red status indicator light of rated voltage AC 220V, power 1W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149410.8U CN203760874U (en) | 2014-03-31 | 2014-03-31 | Enclosed switch cabinet dehumidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149410.8U CN203760874U (en) | 2014-03-31 | 2014-03-31 | Enclosed switch cabinet dehumidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203760874U true CN203760874U (en) | 2014-08-06 |
Family
ID=51256111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420149410.8U Expired - Fee Related CN203760874U (en) | 2014-03-31 | 2014-03-31 | Enclosed switch cabinet dehumidifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203760874U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904569A (en) * | 2014-03-31 | 2014-07-02 | 国家电网公司 | Device and method for dehumidifying closed type switch cabinet |
| CN112467572A (en) * | 2020-09-30 | 2021-03-09 | 国网浙江省电力有限公司绍兴供电公司 | Moisture-proof and condensation-proof switch cabinet and method for regulating and controlling environment in cabinet |
-
2014
- 2014-03-31 CN CN201420149410.8U patent/CN203760874U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904569A (en) * | 2014-03-31 | 2014-07-02 | 国家电网公司 | Device and method for dehumidifying closed type switch cabinet |
| CN112467572A (en) * | 2020-09-30 | 2021-03-09 | 国网浙江省电力有限公司绍兴供电公司 | Moisture-proof and condensation-proof switch cabinet and method for regulating and controlling environment in cabinet |
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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 |
Granted publication date: 20140806 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |