CN202384674U - Heating dehumidifier for electric power distribution cabinet - Google Patents
Heating dehumidifier for electric power distribution cabinet Download PDFInfo
- Publication number
- CN202384674U CN202384674U CN201120457028XU CN201120457028U CN202384674U CN 202384674 U CN202384674 U CN 202384674U CN 201120457028X U CN201120457028X U CN 201120457028XU CN 201120457028 U CN201120457028 U CN 201120457028U CN 202384674 U CN202384674 U CN 202384674U
- Authority
- CN
- China
- Prior art keywords
- blower fan
- power distribution
- distribution cabinet
- controller
- electric power
- 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
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Abstract
Provided is a heating dehumidifier for an electric power distribution cabinet, comprising a heater and a blower fan located inside the power distribution cabinet, wherein an air outlet of the heater is provided with at least one temperature sensor, with each temperature sensor transmitting the collected temperature signals of the air outlet to a controller; after judgment, the controller outputs control signals to the blower fan; and a time-delay circuit and an energy storage circuit are connected between the output end of the controller and the blower fan. The time-delay circuit allows the blower fan to be smoothly switched while the energy storage circuit allows the blower fan to continue to operate for a while after power off, which prevents the power distribution cabinet temperature from rising too high and avoids the blower fan loss caused by the current surge resulting from outage, thereby prolonging the service lifetime of the blower fan.
Description
Technical field
The utility model relates to a kind of power equipment, specifically relates to a kind of heating and dehumidification device of electric power distributing cabinet.
Background technology
Existing power power distribution cabinet dehumidification mode has two kinds: a kind of is to adopt refrigerated dehumidification; A kind of in addition is heating and dehumidification; It is the air in the electricity consumption heater heats electric power distributing cabinet; The wind that it only relies on blower fan to blow out is taken away the heat of heater, and the size of air quantity and ambient temperature can influence the height of outlet wind-warm syndrome, so can not constant outlet wind-warm syndrome; If want constant outlet wind-warm syndrome, just need the operating power of frequent adjustment blower fan, the conversion work state can make blower fan damage so continually, thereby causes heter temperature to rise, and is easy near other equipment burnouts.
Summary of the invention
The purpose of the utility model provides a kind of prolongation blower fan useful life, practices thrift the electric power distributing cabinet of cost and uses the heating and dehumidification device.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
The utility model comprises heater and the blower fan that is positioned at power distribution cabinet; Air outlet at heater is provided with at least one temperature sensor; Each temperature sensor is passed to controller with the air outlet temperature signal that collects; Output control signals to blower fan after controller is judged, between the output of said controller and blower fan, be connected delay circuit.
Described blower fan also is connected with accumulator.
Adopt the utility model of technique scheme, motor is connected with accumulator with delay circuit, and wherein delay circuit makes blower fan to take over seamlessly; And accumulator can be in the blower fan sudden power; Let blower fan continuous firing a period of time again; The temperature that had both guaranteed electric power distributing cabinet can not rise to too high, has guaranteed current surge that blower fan can not produce because of outage with the blower fan loss yet, thereby has prolonged the useful life of blower fan yet.
Description of drawings
Fig. 1 is the structure principle chart of the utility model.
Embodiment
As shown in Figure 1; The utility model comprises the heater 1 and blower fan 2 that is positioned at power distribution cabinet, a plurality of temperature sensors 3 is set, the temperature that each temperature sensor 3 is gathered air outlets at the air outlet of heater; And temperature signal passed to controller 4; Controller 4 judges whether the temperature signal and the predefined temperature value that receive be suitable, if the temperature signal that receives is higher than the temperature value of setting, then transfers the power of big blower fan; If the temperature signal that receives is lower than the temperature value of setting, then reduce the power or the shutdown of blower fan.
The utility model is connected delay circuit 6 between the output of controller 4 and blower fan 2, in addition can also be provided with accumulator 5, and above-mentioned delay circuit 6 is technology well known to those of ordinary skill in the art with accumulator 5.Wherein delay circuit 6 makes blower fan to take over seamlessly; And accumulator 5 can be in the blower fan sudden power; Let blower fan continuous firing a period of time again; The temperature that had both guaranteed electric power distributing cabinet can not rise to too high, has guaranteed current surge that blower fan can not produce because of outage with the blower fan loss yet, thereby has prolonged the useful life of blower fan yet.
Claims (2)
1. an electric power distributing cabinet is used the heating and dehumidification device; It comprises heater (1) and the blower fan (2) that is positioned at power distribution cabinet; Air outlet at heater (1) is provided with at least one temperature sensor (3); Each temperature sensor (3) is passed to controller (4) with the air outlet temperature signal that collects, and outputs control signals to blower fan (2) after controller (4) is judged, it is characterized in that: between the output of said controller (4) and blower fan (2), be connected delay circuit (6).
2. electric power distributing cabinet according to claim 1 is used the heating and dehumidification device, it is characterized in that: described blower fan (2) also is connected with accumulator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120457028XU CN202384674U (en) | 2011-11-17 | 2011-11-17 | Heating dehumidifier for electric power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120457028XU CN202384674U (en) | 2011-11-17 | 2011-11-17 | Heating dehumidifier for electric power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384674U true CN202384674U (en) | 2012-08-15 |
Family
ID=46633148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120457028XU Expired - Fee Related CN202384674U (en) | 2011-11-17 | 2011-11-17 | Heating dehumidifier for electric power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202384674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701768A (en) * | 2015-04-07 | 2015-06-10 | 黄浩 | Novel electricity power distribution cabinet |
-
2011
- 2011-11-17 CN CN201120457028XU patent/CN202384674U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701768A (en) * | 2015-04-07 | 2015-06-10 | 黄浩 | Novel electricity power distribution cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20121117 |