CN103779795A - Dehumidification device for electric cabinets - Google Patents

Dehumidification device for electric cabinets Download PDF

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Publication number
CN103779795A
CN103779795A CN201410071218.6A CN201410071218A CN103779795A CN 103779795 A CN103779795 A CN 103779795A CN 201410071218 A CN201410071218 A CN 201410071218A CN 103779795 A CN103779795 A CN 103779795A
Authority
CN
China
Prior art keywords
wire
dehumidifier
power supply
interface circuit
circuit
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.)
Pending
Application number
CN201410071218.6A
Other languages
Chinese (zh)
Inventor
黄波
邬日新
蒋科
杨廷志
沈飞
沈洲
沈涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUXI JIAYILIN ELECTRIC Co Ltd
Original Assignee
WUXI JIAYILIN ELECTRIC Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WUXI JIAYILIN ELECTRIC Co Ltd filed Critical WUXI JIAYILIN ELECTRIC Co Ltd
Priority to CN201410071218.6A priority Critical patent/CN103779795A/en
Publication of CN103779795A publication Critical patent/CN103779795A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a dehumidification device, in particular to a dehumidification device for electric cabinets, wherein the dehumidification device is used for controlling humidity in the electric cabinets. The dehumidification device is characterized by comprising a main controller, the main controller comprises a main control board and a power board, the power board comprises a switching power supply and a voltage stabilizing circuit, the switching power supply is connected with the voltage stabilizing circuit through a lead, the main control board comprises a single chip microcomputer and an interface circuit, the single chip microcomputer is connected with the interface circuit through a lead, the voltage stabilizing circuit is connected with the single chip microcomputer and the interface circuit through leads, the interface circuit is connected with a dehumidifier through a lead, and the switching power supply is connected with the dehumidifier through a lead. The dehumidification device is used for controlling the humidity in a plurality of electric cabinets, operation cost can be reduced, operation is simple, the working efficiency of workers can be improved in processes of installation, maintenance, overhaul and the like, and labor cost is reduced.

Description

Electricity cabinet dehydrating unit
Technical field
The present invention relates to a kind of dehydrating unit, is the dehydrating unit for controlling humidity in electric cabinet specifically.
Background technology
Along with the fast development of present urban construction, electric equipment is used in a large number, for installing, protect the electric cabinet of these electric equipments just to obtain being widely used.In order to prevent that electric equipment from breaking down at running, dehydrating unit all can be installed in electric cabinet and control its humidity.
At present, the electric cabinet using in industry adopts electrically heated mode mostly with dehydrating unit, an electric heating dehumidifier and a temperature and humidity controller are all installed in each electric cabinet, are utilized the operation of temperature and humidity controller control electric heating dehumidifier and stop controlling the humidity in electric cabinet.Due to dehumidifier of a temperature and humidity controller control for this dehydrating unit, in the time having multiple electric cabinet, just need to there be temperature and humidity controller and the dehumidifier of equal number corresponding with it, this has just increased the total operating cost of these electric cabinets, simultaneously in the time that the humidity in these electric cabinets is carried out to Based Intelligent Control, need to operate one by one the temperature and humidity controller in each electric cabinet, this work is just very loaded down with trivial details.In addition, this control device installing, safeguard, in the process such as maintenance, staff also needs respectively each temperature and humidity controller to be operated separately, this has just reduced operating efficiency, has increased cost of labor.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of electric cabinet dehydrating unit, adopt this dehydrating unit to carry out humidity control to multiple electric cabinets, can reduce operating cost, simple to operate, installing, safeguard, in the process such as maintenance, also can improve staff's operating efficiency, reduce cost of labor.
For addressing the above problem, by the following technical solutions:
Electric cabinet of the present invention is to comprise master controller by the feature of dehydrating unit, and master controller contains master control borad and power panel; Described power panel contains Switching Power Supply and voltage stabilizing circuit, and Switching Power Supply is connected with voltage stabilizing circuit by wire; Described master control borad contains single-chip microcomputer and interface circuit, single-chip microcomputer is connected with interface circuit by wire, described voltage stabilizing circuit is connected with single-chip microcomputer by wire, described voltage stabilizing circuit is connected with interface circuit by wire, described interface circuit is connected with dehumidifier by wire, and described Switching Power Supply is connected with dehumidifier by wire.
The voltage available of described Switching Power Supply for connecting external power supply and becoming dehumidifier to move the voltage transitions of external power supply.
Described voltage stabilizing circuit becomes the voltage available of single-chip microcomputer and interface circuit for the voltage transitions that Switching Power Supply is passed over.
Described single-chip microcomputer is used for controlling dehumidifier operation or stops.
Described interface circuit is used for connecting dehumidifier and provides communication power supply to dehumidifier.
That described single-chip microcomputer is connected with display and buzzer by wire respectively to further improvement of the present invention scheme.Improved like this advantage is that display can allow staff get information about current humidity situation, and buzzer can play the effect of warning.
That described single-chip microcomputer is connected with circuit is set by wire to further improvement of the present invention scheme.Improved like this advantage is to facilitate the setting of staff to parameter preset.
Wherein, described interface circuit is RS485 interface circuit.Described dehumidifier contains shell, in shell, between two opposing sidewalls, have and be condensation grid sheet, semiconductor chilling plate, heat radiation grid sheet and the radiator fan of positioned opposite successively, on the shell of heat radiation grid sheet upper and lower end and condensation grid sheet upper end, all there is air inlet, on the relative side wall of outer shell of radiator fan, have air outlet and first sensor; On described condensation grid sheet, there is the second transducer; Water storage tank is arranged at the bottom of condensation grid sheet, and the osculum leading to outside shell is arranged at this water storage tank bottom; In described shell inner cavity, have control circuit, described radiator fan, first sensor, the second transducer and semiconductor chilling plate are all connected with this control circuit by wire.
Take above scheme, have the following advantages:
Because electric cabinet of the present invention comprises master controller with dehydrating unit, master controller contains master control borad and power panel, described power panel contains Switching Power Supply and voltage stabilizing circuit, Switching Power Supply is connected with voltage stabilizing circuit by wire, described master control borad contains single-chip microcomputer and interface circuit, single-chip microcomputer is connected with interface circuit by wire, described voltage stabilizing circuit is connected with single-chip microcomputer by wire, described voltage stabilizing circuit is connected with interface circuit by wire, described interface circuit is connected with dehumidifier by wire, and described Switching Power Supply is connected with dehumidifier by wire.So as long as connect multiple dehumidifiers with interface circuit, just can be with the multiple dehumidifiers of main controller controls, these dehumidifiers are respectively installed in each electric cabinet, just can carry out Long-distance Control to the humidity of these electric cabinets, thereby can reduce the usage quantity of controller, reduce the total operating cost of electric cabinet., in the time that the humidity in these electric cabinets is carried out to Based Intelligent Control, only need operate master controller meanwhile, just make this work become very simple.In addition, this dehydrating unit is installed, safeguard, in the process such as maintenance, staff only need operate master controller, has just improved staff's operating efficiency, has reduced cost of labor.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of electric cabinet dehydrating unit of the present invention;
Fig. 2 is the structural representation of electric cabinet of the present invention dehumidifier in dehydrating unit.
Embodiment
Below in conjunction with accompanying drawing, electric cabinet of the present invention is described in further detail with dehydrating unit.
As shown in Figure 1, electric cabinet of the present invention comprises master controller with dehydrating unit, and master controller contains master control borad and power panel; Described power panel contains Switching Power Supply and voltage stabilizing circuit, and Switching Power Supply is connected with voltage stabilizing circuit by wire; Described master control borad contains single-chip microcomputer and interface circuit, single-chip microcomputer is connected with interface circuit by wire, described voltage stabilizing circuit is connected with single-chip microcomputer by wire, described voltage stabilizing circuit is connected with interface circuit by wire, described interface circuit is connected with multiple dehumidifiers by wire, and described Switching Power Supply is connected with dehumidifier by wire.Single-chip microcomputer described in the present embodiment is connected with display and buzzer by wire respectively.Described single-chip microcomputer is connected with circuit is set by wire.Described interface circuit is RS485 interface circuit.
Wherein, described dehumidifier contains shell 1 as shown in Figure 2, shell 1 is cuboid, between interior two opposing sidewalls of shell 1, be provided with and be condensation grid sheet 2, semiconductor chilling plate 3, heat shield 13, heat radiation grid sheet 4 and the radiator fan 5 of positioned opposite successively, on the shell 1 of heat radiation grid sheet 4 upper and lower ends and condensation grid sheet 2 upper ends, be all processed with air inlet 6, on relative shell 1 sidewall of radiator fan 5, be processed with air outlet 7, on relative shell 1 sidewall of radiator fan 5, first sensor 8 be installed.On described condensation grid sheet 2, the second transducer 9 is installed.The bottom of condensation grid sheet 2 is provided with water storage tank 10, and these water storage tank 10 bottoms are processed with the osculum 11 leading to outside shell 1.In described shell 1 inner chamber, be provided with control circuit 12, described radiator fan 5, first sensor 8, the second transducer 9 and semiconductor chilling plate 3 are all connected with this control circuit 12 by wire.
When work, first start electric cabinet dehydrating unit of the present invention, recycling arranges circuit the pre-set threshold value of master controller is set in master controller.Then in each dehydrating unit, first sensor 8 starts to detect the humidity of place environment and humidity information is passed to master controller by corresponding control circuit 12.Then the ambient humidity that master controller passes over each control circuit 12 patrols the control circuit 12 of surveying and exceed the dehumidifier of its pre-set threshold value to humidity and sends instruction, semiconductor chilling plate 3 and the radiator fan 5 controlled in these dehumidifiers bring into operation, the second transducer 9 starts to detect the surface temperature of semiconductor chilling plate 3 simultaneously, the humidity detecting when the first sensor 8 in these dehumidifiers is higher than the pre-set threshold value of master controller, and the semiconductor chilling plate 3 in these dehumidifiers and radiator fan 5 keep operation; The humidity detecting when the first sensor 8 in certain dehumidifier is during lower than the pre-set threshold value of master controller, and master controller sends instruction to the control circuit 12 of corresponding dehumidifier, controls corresponding dehumidifier out of service; When the surface temperature of the semiconductor chilling plate 3 detecting when the second transducer 9 in certain dehumidifier reaches freezing temperature, master controller sends instruction to the control circuit 12 of corresponding dehumidifier, controls corresponding semiconductor chilling plate 3 and radiator fan 5 10 minutes out of service.

Claims (5)

1. electric cabinet dehydrating unit, is characterized in that comprising master controller, and master controller contains master control borad and power panel; Described power panel contains Switching Power Supply and voltage stabilizing circuit, and Switching Power Supply is connected with voltage stabilizing circuit by wire; Described master control borad contains single-chip microcomputer and interface circuit, single-chip microcomputer is connected with interface circuit by wire, described voltage stabilizing circuit is connected with single-chip microcomputer by wire, described voltage stabilizing circuit is connected with interface circuit by wire, described interface circuit is connected with dehumidifier by wire, and described Switching Power Supply is connected with dehumidifier by wire;
The voltage available of described Switching Power Supply for connecting external power supply and becoming dehumidifier to move the voltage transitions of external power supply;
Described voltage stabilizing circuit becomes the voltage available of single-chip microcomputer and interface circuit for the voltage transitions that Switching Power Supply is passed over;
Described single-chip microcomputer is used for controlling dehumidifier operation or stops;
Described interface circuit is used for connecting dehumidifier and provides communication power supply to dehumidifier.
2. electric cabinet dehydrating unit as claimed in claim 1, is characterized in that described single-chip microcomputer is connected with display and buzzer by wire respectively.
3. electric cabinet dehydrating unit as claimed in claim 1, is characterized in that described single-chip microcomputer is connected with circuit is set by wire.
4. electric cabinet dehydrating unit as claimed in claim 1, is characterized in that described interface circuit is RS485 interface circuit.
5. the electric cabinet dehydrating unit as described in any one in claim 1 ~ 4, it is characterized in that described dehumidifier contains shell (1), between interior two opposing sidewalls of shell (1), have and be condensation grid sheet (2), semiconductor chilling plate (3), heat shield (13), heat radiation grid sheets (4) and the radiator fan (5) of positioned opposite successively, on the shell (1) of heat radiation grid sheet (4) upper and lower end and condensation grid sheet (2) upper end, all there is air inlet (6), on relative shell (1) sidewall of radiator fan (5), have air outlet (7) and first sensor (8); On described condensation grid sheet (2), there is the second transducer (9); Water storage tank (10) is arranged at the bottom of condensation grid sheet (2), and this water storage tank (10) bottom has leads to the outer osculum (11) of shell (1); In described shell (1) inner chamber, have control circuit (12), described radiator fan (5), first sensor (8), the second transducer (9) and semiconductor chilling plate (3) are all connected with this control circuit (12) by wire.
CN201410071218.6A 2014-03-01 2014-03-01 Dehumidification device for electric cabinets Pending CN103779795A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410071218.6A CN103779795A (en) 2014-03-01 2014-03-01 Dehumidification device for electric cabinets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410071218.6A CN103779795A (en) 2014-03-01 2014-03-01 Dehumidification device for electric cabinets

Publications (1)

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CN103779795A true CN103779795A (en) 2014-05-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103972803A (en) * 2014-05-12 2014-08-06 国家电网公司 Distributing ring main unit dehumidifying device
CN105914593A (en) * 2016-06-03 2016-08-31 国网山东省电力公司龙口市供电公司 Intelligent electric power switch cabinet

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101048517B1 (en) * 2011-02-21 2011-07-12 (주)제이케이알에스티 Automatic control apparatus for preventing dew condensation and method thereof
CN202662998U (en) * 2012-05-31 2013-01-09 德清县供电局 Heat-extraction, air-ventilation and dehumidification device of intelligent low-voltage power distribution cabinet
CN202817547U (en) * 2012-08-09 2013-03-20 常州市盈能电气有限公司 Dewatering-type electric cabinet dehumidifier
CN103346493A (en) * 2013-07-05 2013-10-09 苏州市远帆电器有限公司 Dehumidification device and dehumidification method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101048517B1 (en) * 2011-02-21 2011-07-12 (주)제이케이알에스티 Automatic control apparatus for preventing dew condensation and method thereof
CN202662998U (en) * 2012-05-31 2013-01-09 德清县供电局 Heat-extraction, air-ventilation and dehumidification device of intelligent low-voltage power distribution cabinet
CN202817547U (en) * 2012-08-09 2013-03-20 常州市盈能电气有限公司 Dewatering-type electric cabinet dehumidifier
CN103346493A (en) * 2013-07-05 2013-10-09 苏州市远帆电器有限公司 Dehumidification device and dehumidification method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103972803A (en) * 2014-05-12 2014-08-06 国家电网公司 Distributing ring main unit dehumidifying device
CN105914593A (en) * 2016-06-03 2016-08-31 国网山东省电力公司龙口市供电公司 Intelligent electric power switch cabinet

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Application publication date: 20140507

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