CN204905710U - Prevent condensation cubical switchboard - Google Patents
Prevent condensation cubical switchboard Download PDFInfo
- Publication number
- CN204905710U CN204905710U CN201520512982.2U CN201520512982U CN204905710U CN 204905710 U CN204905710 U CN 204905710U CN 201520512982 U CN201520512982 U CN 201520512982U CN 204905710 U CN204905710 U CN 204905710U
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- China
- Prior art keywords
- main control
- control circuit
- heat generating
- generating component
- switch cabinet
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- Expired - Fee Related
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- General Induction Heating (AREA)
Abstract
The utility model relates to a cubical switchboard, concretely relates to prevent condensation cubical switchboard, including locating the atmospheric control ware of cubical switchboard body, main control circuit, the heating element, main control circuit's input is connected to the output of atmospheric control ware, and the heating element's input is connected to main control circuit's output, and the heating element includes at least: the spiral coil and the metal ware that generates heat, main control circuit will use ac inversion always and become high -frequency ac, the heating element's spiral coil is connected to main control circuit output, electric adding be stated from the spiral coil with the high -frequency ac of output, the heating element's spiral coil is used for carrying out electromagnetic heating to the metal ware that generates heat, it prevents the condensation to make the interior temperature of cubical switchboard be higher than ambient temperature, increase cubical switchboard life, and the cable coil of spiral, coil long service life, and is high in safety, thereby reach the safety and stability, the mesh of preventing the condensation has.
Description
Technical field
The utility model relates to a kind of electronic equipment, is specifically related to a kind of switch cubicle, relates generally to a kind of for anti-condensation switch cubicle.
Background technology
At the various High-low voltage switch cabinet of power system device, when steam enters into high-tension switch cabinet, steam can become the crystallization water in the surface condensation of insulating material, the insulating capacity on insulating material surface is caused significantly to reduce, if there is the dust in air to be dissolved in the crystallization water, also can light little electric arc on the surface of insulating material, further the surface insulation of insulating material is damaged, the long-term insulation property in the past thoroughly will destroying insulating material, and finally cause the electric equipment in high-tension switch cabinet occur alternate or cause internal discharge flashover, insulation breakdown is shorted to earth even, the accidents such as blast.Therefore, moistureproof anti-condensation grade for measure must be taked.
The moistureproof anti-condensation very effective means of high-tension switch cabinet install heater exactly in switch cubicle.Want to prevent from producing condensation in high-tension switch cabinet, the temperature of inside switch cabinet will be made all the time higher than the ambient temperature of switch cubicle outside, and reduce the relative humidity of inside switch cabinet as much as possible, and can effectively prevent condensation from producing like this.
Existing domestic and international heater heating system: ceramic heating, light wave heating element, electric heating wire heater, it is short all to there is useful life in above a few money heater, is not easy to safeguard the shortcoming changed.
Chinese utility model patent CN201420043913 discloses a kind of switch cubicle of anti-condensation, and this patent adopts Resistant heating to dehumidify, and reaches the object of anti-condensation, but resistance wire to there is useful life short, be not easy to safeguard the shortcoming changed.
Utility model content
The problem that the utility model mainly solves is to provide a kind of safety and stability, has anti-condensation switch cubicle.
For solving the problem, a kind of anti-condensation switch cabinet that the utility model provides, comprise the temperature and humidity controller being located at switch cabinet body, main control circuit, heat generating component, the output of temperature and humidity controller connects the input of main control circuit, the output of main control circuit connects the input of heat generating component, main control circuit comprises: master unit, rectifier unit, inverter unit, rectifier unit input connects AC power, and convert alternating current to direct current, export and connect inverter unit, the direct current that rectifier unit inputs is converted to high-frequency alternating current and exports by inverter unit, master unit control end connects the switch control terminal of inverter unit, for the work of control inverter unit, heat generating component at least comprises: helical coil and heating metal device, the output of the inverter unit of main control circuit connects the helical coil of heat generating component, and the high-frequency alternating current of output is loaded on helical coil, and the helical coil of heat generating component is used for carrying out Electromagnetic Heating to heating metal device.
A kind of preferred version of the present utility model, the material of heating metal device is the metal material of magnetic conduction.
Another kind of preferred version of the present utility model, rectifier unit is two phase commit device circuit or three-phase rectifier circuit.
Another kind of preferred version of the present utility model, control device unit is single chip machine controlling circuit.
Another kind of preferred version of the present utility model, heat generating component also comprises a thermal insulation board, and thermal insulation board is arranged between helical coil and heating metal device.
Another kind of preferred version of the present utility model, heat generating component also comprises a heating panel shell, and heating panel shell is provided with the heat sink strip of multiple protruding list structure, and is coated on outside heating metal device.
The utility model patent has following beneficial effect: use Electromagnetic Heating mode to come anti-condensation in advance, increases switch cubicle useful life, and helical coil long service life, fail safe are high, thus reaches safety and stability, has anti-condensation object.
Accompanying drawing explanation
The anti-condensation switch cabinet schematic diagram that Fig. 1 provides for the utility model;
Fig. 2 is the circuit connection diagram of anti-condensation switch cabinet;
Fig. 3 is the internal circuit connection diagram of the master controller of anti-condensation switch cabinet;
Fig. 4 is the installation diagram of each parts of heat generating component;
Fig. 5 is the outside drawing of heat generating component.
Embodiment
For further illustrating each embodiment, the utility model provides accompanying drawing.These accompanying drawings are a part for the utility model disclosure, and it is mainly in order to illustrate embodiment, and the associated description of specification can be coordinated to explain the operation principles of embodiment.Coordinate with reference to these contents, those of ordinary skill in the art will be understood that other possible execution modes and advantage of the present utility model.Assembly in figure not drawn on scale, and similar element numbers is commonly used to assembly like representation class.
Now with embodiment, the utility model is further illustrated by reference to the accompanying drawings.
Shown in Fig. 5, anti-condensation switch cabinet of the present utility model, comprise: switch cabinet body 10, area of low pressure 101, high-pressure area 102, temperature and humidity controller 30, main control circuit 20, heat generating component 40, temperature and humidity controller 30 and master controller 20 are arranged on area of low pressure 101, heat generating component 40 is arranged on high-pressure area 102, the output of temperature and humidity controller 30 connects the input of main control circuit 20, the output of main control circuit 20 connects the input of heat generating component 40, main control circuit comprises: master unit 203, two phase commit device unit 201, inverter unit 202, two phase commit device unit 201 input connects AC power, and convert alternating current to direct current, export and connect inverter unit 202, the direct current that rectifier unit inputs is converted to high-frequency alternating current and exports by inverter unit, master unit 203 control end connects the switch control terminal of inverter unit 202, for the work of control inverter unit 202, heat generating component 40 comprises: helical coil 401, thermal insulation board 402, heating metal device 403, heating panel shell 404, the output of the inverter unit 203 of main control circuit 20 connects the helical coil 401 of heat generating component 40, installation is closed on relatively generate heat in the magnetic flux face of helical coil 401 surface of metal device 403, concrete, be arranged between helical coil 401 and heating metal device 403 by a thermal insulation board 402, heating panel shell 404 is coated on outside heating metal device 403.
In the present embodiment, this master unit 203 adopts single chip machine controlling circuit.
In the present embodiment, temperature and humidity controller 30 and main control circuit 20 are consumable accessory, are arranged on the area of low pressure 101 of switch cubicle, are convenient to power taking and check, arrange, safeguard.
In the present embodiment, in the middle of heating metal device 403 and helical coil 401, thermal insulation board 402 is installed, the heat of effectively isolated heating metal device 403, protection helical coil 401.
In the present embodiment, heating panel shell 404 is provided with the heat sink strip of multiple protruding list structure, and protruding heat sink strip contributes to heating metal device 403 heat to be distributed in switch cubicle.
Rectifier unit 201 input is connected two-phase alternating current power supply, and convert alternating current to direct current, humiture situation in temperature and humidity controller sense switch cabinet body 10, if go beyond the scope, then temperature and humidity controller 30 by information feed back to the master unit 203 of main controller circuit 20, master unit 203 opens the switching channels of inverter unit 202, direct current through the rectification of two phase commit device unit 201 is reverse into high-frequency high-voltage through inverter unit 202, the high-frequency high-voltage current of change flows through the alternating magnetic field that helical coil 401 produces change at a high speed at a high speed, alternating magnetic field excitation heating metal device 403, heating metal device 403 surface is cut alternate magnetic force line and in heating metal device 403, produces the electric current (i.e. eddy current) of alternation, eddy current makes the atom high speed random motion of heating metal device 403, atom collides with each other, rub and produce heat energy, thus play the effect of heating.
The utility model by Electromagnetic Heating mode, makes the temperature in switch cubicle come higher than ambient temperature anti-condensation in advance, increases switch cubicle useful life, and helical coil long service life, fail safe are high, thus reaches safety and stability, has anti-condensation object.
Fig. 1 to Fig. 5 discloses a kind of preferred version of the present utility model, certain, being applicable to scheme of the present utility model is not limited to as mentioned above, heating component 40 also can connect three-phase alternating-current supply and coordinate three-phase rectifier unit, the installation site change of each assembly, the material etc. of different heat metal device 403 all can reach the anti-condensation effect of heating, concrete assembled those skilled in the art can apparent, just do not enumerate at this, of course, relate to the content of the utility model claim, no matter what is done change, modify, all belong to for protection range of the present utility model.
Claims (6)
1. an anti-condensation switch cabinet, comprise the temperature and humidity controller being located at switch cabinet body, main control circuit, heat generating component, the output of temperature and humidity controller connects the input of main control circuit, the output of main control circuit connects the input of heat generating component, it is characterized in that, main control circuit comprises: master unit, rectifier unit, inverter unit, rectifier unit input connects AC power, and convert alternating current to direct current, export and connect inverter unit, the direct current that rectifier unit inputs is converted to high-frequency alternating current and exports by inverter unit, master unit control end connects the switch control terminal of inverter unit, for the work of control inverter unit, heat generating component at least comprises: helical coil and heating metal device, the output of the inverter unit of main control circuit connects the helical coil of heat generating component, and the high-frequency alternating current of output is loaded on helical coil, and the helical coil of heat generating component is used for carrying out Electromagnetic Heating to heating metal device.
2. anti-condensation switch cabinet according to claim 1, is characterized in that: the material of heating metal device is the metal material of magnetic conduction.
3. anti-condensation switch cabinet according to claim 1, is characterized in that: rectifier unit is two phase commit device circuit or three-phase rectifier circuit.
4. anti-condensation switch cabinet according to claim 1, is characterized in that: master unit is single chip machine controlling circuit.
5. anti-condensation switch cabinet according to claim 1, is characterized in that: heat generating component also comprises a thermal insulation board, and thermal insulation board is arranged between helical coil and heating metal device.
6. anti-condensation switch cabinet according to claim 1 or 5, it is characterized in that: heat generating component also comprises a heating panel shell, heating panel shell is provided with the heat sink strip of multiple protruding list structure, and is coated on outside heating metal device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520512982.2U CN204905710U (en) | 2015-07-16 | 2015-07-16 | Prevent condensation cubical switchboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520512982.2U CN204905710U (en) | 2015-07-16 | 2015-07-16 | Prevent condensation cubical switchboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204905710U true CN204905710U (en) | 2015-12-23 |
Family
ID=54927861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520512982.2U Expired - Fee Related CN204905710U (en) | 2015-07-16 | 2015-07-16 | Prevent condensation cubical switchboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204905710U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302860A (en) * | 2018-02-07 | 2018-07-20 | 合肥华凌股份有限公司 | Refrigeration equipment |
| CN109269226A (en) * | 2018-09-07 | 2019-01-25 | 四川大学 | Radiant type electrical equipment dehumidification device and electrical equipment dehumanization method |
| CN113629422A (en) * | 2020-05-06 | 2021-11-09 | 杭州海康机器人技术有限公司 | Robot charging seat and method for removing water vapor on surface of conductive component |
-
2015
- 2015-07-16 CN CN201520512982.2U patent/CN204905710U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302860A (en) * | 2018-02-07 | 2018-07-20 | 合肥华凌股份有限公司 | Refrigeration equipment |
| CN108302860B (en) * | 2018-02-07 | 2020-03-27 | 合肥华凌股份有限公司 | Refrigeration device |
| CN109269226A (en) * | 2018-09-07 | 2019-01-25 | 四川大学 | Radiant type electrical equipment dehumidification device and electrical equipment dehumanization method |
| CN113629422A (en) * | 2020-05-06 | 2021-11-09 | 杭州海康机器人技术有限公司 | Robot charging seat and method for removing water vapor on surface of conductive component |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20170716 |