CN105278572A - Machine cabinet intelligent dehumidifying controller and dehumidifying method - Google Patents

Machine cabinet intelligent dehumidifying controller and dehumidifying method Download PDF

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Publication number
CN105278572A
CN105278572A CN201510829727.5A CN201510829727A CN105278572A CN 105278572 A CN105278572 A CN 105278572A CN 201510829727 A CN201510829727 A CN 201510829727A CN 105278572 A CN105278572 A CN 105278572A
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China
Prior art keywords
humidity
dehumidifier
control
microcontroller
circuit
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Pending
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CN201510829727.5A
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Chinese (zh)
Inventor
郭明皇
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HANGZHOU HONCEN TECHNOLOGY Co Ltd
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HANGZHOU HONCEN TECHNOLOGY Co Ltd
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Priority to CN201510829727.5A priority Critical patent/CN105278572A/en
Publication of CN105278572A publication Critical patent/CN105278572A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a dehumidifying apparatus, and specifically relates to a machine cabinet intelligent dehumidifying controller and a dehumidifying method, wherein the machine cabinet intelligent dehumidifying controller comprises a micro-controller, wherein the micro-controller is connected to an environment humidity measuring circuit and a control output circuit; the control output circuit is connected to a plurality of dehumidifiers; the environment humidity measuring circuit is used to measure the humidity of the environment; and the micro-controller is used to control the plurality of the dehumidifiers through an output circuit based on the comparison between the measured environment humidity and a preset humidity range. According to the invention, multi-point humidity control can be realized; dehumidification is even; the gross power of all semiconductor dehumidifiers is not higher than 300W; and the number of the semiconductor dehumidifiers can be controlled at different levels, thereby controlling the environment humidity in the machine cabinet and greatly reducing the power use and saving resources; a standby power source system is provided, so even the machine cabinet is powered off, the power source system can provide an emergency power supply for 72 hours, thereby various circuits and elements in the machine cabinet can be normally operated.

Description

A kind of rack intelligence dehumidifier control device and dehumanization method
Technical field
The present invention relates to dehydrating unit, in particular to a kind of rack intelligence dehumidifier control device and dehumanization method.
Background technology
In order to improve power supply reliability, making user can obtain power supply from both direction, usually power supply network being connected into annular.This power supply mode is referred to as ring network power supply.Exchange in 10KV distribution system at industrial and mining enterprises, residential quarters, harbour and skyscraper etc., because load is held little, its high tension loop adopts on-load switch or vacuum contactor to control usually, and is furnished with high-tension fuse protection.This system adopts ring network to power usually, use in high-tension switch cabinet general custom and be called ring main unit.
When ring main unit is stopped transport, when device temperature is lower than ambient air temperature, the moisture in air may condense on electrical equipment, reduces apparatus insulated level, now needs to prevent condensation by dehumidification equipment.Conventional hot type dehumidifier mainly realizes dehumidification function by improving environment temperature, because the air of higher temperature can comprise more hydrone, thus steam directly condensation on the parts such as electrical equipment, terminal block in cabinet can be prevented, prevent the generation of the accident such as flashover, short circuit.But the portion of water comprised in the air of higher temperature stops in atmosphere always, when environment temperature sharply declines, cannot continue in air to hold large quantity of moisture, the air moisture of precipitation will condensation on electrical equipment.Common hot type dehumidifier power is general all larger, and dehumidifying efficiency ratio is lower.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of rack intelligence dehumidifier control device and dehumanization method.
For achieving the above object, embodiments of the invention one disclose a kind of rack intelligence dehumidifier control device, comprise: microcontroller, described microcontroller JA(junction ambient) humidity measuring circuit, control output circuit, described control output circuit connects some dehumidifiers, wherein, and the humidity of ambient humidity metering circuit measurement environment, microcontroller compares with the multiple humidity ranges preset according to the ambient humidity measured, thus directly controls some dehumidifiers by controlling output circuit.
Preferably, also comprise: standby power system, connect whole rack intelligence dehumidifier control device, after having a power failure, provide emergency power pack.
Preferably, described microcontroller connects display circuit, and display circuit is used for the humidity data measured by display environment humidity measuring circuit and the numerical value to microcontroller input.
Preferably, described microcontroller connects button, and button is used for the humidity threshold preset microcontroller input.
Preferably, described microcontroller connecting communication circuit, communicating circuit can by ambient humidity, and default top limit of humidity and all states of starting to control upload to backstage.
Preferably, be also provided with power circuit, for providing normal power source.
Preferably, standby power system adopts lead-acid accumulator, has that the life-span is long, price is low, can the feature such as heavy-current discharge.
Preferably, described dehumidifier is semiconductor dehumidifier machine, has that structure is simple, failure rate is low, the features such as long service life.
Preferably, described semiconductor dehumidifier machine adopts low-power consumption TEC condensate film as main dehumidifying section, can greatly improve dehumidifying efficiency ratio.
The embodiment of the present invention two discloses a kind of dehumanization method being applicable to rack intelligence dehumidifier control device, comprises the steps: S01 by button to the multiple default humidity range of microcontroller input; S02 is measured ambient humidity by ambient humidity metering circuit; The ambient humidity that S03 microcontroller is recorded by ambient humidity metering circuit compares with the multiple humidity ranges preset the humidity range drawn residing for surveyed ambient humidity, selects the dehumidifier number of units that namely suitable dehumidifier intensity start; S04 when ambient humidity metering circuit monitor cabinet environment humidity exceed current humidity scope time, the dehumidifier number of units that microcontroller selects residing humidity range again to select suitable dehumidifier intensity namely to start again simultaneously, until cabinet environment humidity is lower than the minimum humidity range of setting, the all dehumidifiers of microprocessor controls quit work, thus realize multiparty control, even dehumidifier, step control cabinet environment humidity.
Compared with prior art, beneficial effect of the present invention is as follows: be made up of 1 master controller and multiple semiconductor dehumidifier machine (load), multiple spot humid control can be realized, even dehumidifying, all semiconductor dehumidifier machine general powers are no more than 300W, and can the number of step control semiconductor dehumidifier machine thus the ambient humidity controlled in rack, thus greatly can lower electric energy and use, economize on resources; Be furnished with standby power system, even if rack has a power failure, the emergency power pack supply reaching 72 hours also can be provided, various circuit and components and parts in rack are normally run.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one;
Fig. 2 is the structural representation of communicating circuit 5 of the present invention;
Fig. 3 is the structural representation of the embodiment of the present invention two.
Wherein: 1-microcontroller, 2-display circuit, 3-button, 4-ambient humidity metering circuit, 5-communicating circuit, 6-controls output circuit, 7-power circuit, 8-dehumidifier, 9-standby power system.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
On the contrary, the present invention is contained any by the substituting of making on marrow of the present invention and scope of defining of claim, amendment, equivalent method and scheme.Further, in order to make the public have a better understanding to the present invention, in hereafter details of the present invention being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the present invention completely for a person skilled in the art yet.
Embodiment one:
See Fig. 1, a kind of rack intelligence dehumidifier control device, comprising: microcontroller 1, the master chip selected by microcontroller 1 is: PIC16F1939, for controlling, detecting and output signal; Microcontroller 1 JA(junction ambient) humidity measuring circuit 4, control output circuit 6, wherein, main chip selected by ambient humidity metering circuit 4 is: PS2701-1,1-2 road ambient humidity can be measured, the device controlling output circuit 6 employing is: G5LA-14-12VDC, carries out environment dehumidifier for controlling dehumidifier, controls output circuit 6 and connects 1-6 platform dehumidifier 8, dehumidifier selects semiconductor dehumidifier machine, and adopts low-power consumption TEC condensate film as main dehumidifying section; The humidity of ambient humidity metering circuit 4 measurement environment, microcontroller 1 compares with the top limit of humidity preset according to the ambient humidity measured, thus directly controls dehumidifier 8 by controlling output circuit 6.This device also comprises standby power system 9, can be whole device and emergency power pack is provided, standby power system 9 adopts lead-acid accumulator, during normal operation, power circuit 7 is powered, and standby power system 9 charges, when case becomes power failure, automatically switch to standby power system 9 to power, the self-powered time can reach 72 hours.Microcontroller 1 also connects display circuit 2, and the major control chip that display circuit 2 is selected is: SN74HC595, and display circuit 2 is for the humidity data measured by display environment humidity measuring circuit 4 and the numerical value to microcontroller 1 input.Microcontroller 1 connects button 3, the humidity threshold of button 3 for presetting microcontroller 1 input.Microcontroller 1 connecting communication circuit 5, the major control chip that communicating circuit 5 is selected is: RS485, and communicating circuit 5 is for uploading the data to backstage.
During concrete use, the multiple humidity ranges preset are inputted by button 3 pairs of microcontrollers 1, the humidity value size that microcontroller 1 is measured by ambient humidity metering circuit 4 selects residing humidity range more afterwards with the humidity range (design parameter can be determined according to actual needs) preset, by controlling the number of units of output circuit 6 stepped starting dehumidifier 8; When ambient humidity metering circuit 4 monitor cabinet environment humidity exceed current humidity scope time, the dehumidifier number of units that microcontroller selects residing humidity range again to select suitable dehumidifier intensity namely to start again simultaneously, until cabinet environment humidity is lower than the minimum humidity range of setting, the all dehumidifiers of microprocessor controls quit work, thus realize multiparty control, even dehumidifier, step control cabinet environment humidity.Communicating circuit 5 connects microcontroller 1, can by ambient humidity, and default top limit of humidity and all states of starting to control upload to backstage.
See the structural representation that Fig. 2, Fig. 2 are communicating circuit 5 of the present invention, the model that main control chip adopts is ADM2483BRW, and wherein, pin VDD1 mono-tunnel connects the supply voltage of 3.3V, ground connection after a road connection 104/50V electric capacity; Pin RXD is connected with the pin of microcontroller 1 after connecting a 10R resistance; Pin NRE and pin DE are connected with the pin of microcontroller 1 after being jointly connected a 10R resistance; Pin TXD is connected with the pin of microcontroller 1 after connecting a 10R resistance; Pin PV mono-tunnel is connected with the supply voltage of 3.3V after connecting 10K resistance, ground connection after a road connection 10uF/16V electric capacity; Pin VDD2 connects a road after a 200R resistance and connects ground connection after 104/50V electric capacity, and a road connects the voltage of VPP5VB; Pin B mono-tunnel connects ground connection after a 4K7 resistance, one tunnel is connected with the port of communication instrument after connecting fuse F2, a road is connected with the port of communication instrument after connecting 12K resistance in parallel and being connected pin A, connection fuse F3 after SM712 element respectively, connect a 4K7 resistance after connect the voltage of VPP5VB.
Embodiment two:
See Fig. 3, a kind of dehumanization method being applicable to rack intelligence dehumidifier control device, comprises the steps: S01 by button to the multiple default humidity range of microcontroller input; S02 is measured ambient humidity by ambient humidity metering circuit; The ambient humidity that S03 microcontroller is recorded by ambient humidity metering circuit compares with the multiple humidity ranges preset the humidity range drawn residing for surveyed ambient humidity, selects the dehumidifier number of units that namely suitable dehumidifier intensity start; S04 when ambient humidity metering circuit monitor cabinet environment humidity exceed current humidity scope time, the dehumidifier number of units that microcontroller selects residing humidity range again to select suitable dehumidifier intensity namely to start again simultaneously, until cabinet environment humidity is lower than the minimum humidity range of setting, the all dehumidifiers of microprocessor controls quit work, thus realize multiparty control, even dehumidifier, step control cabinet environment humidity.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a rack intelligence dehumidifier control device, it is characterized in that, comprise: microcontroller (1), described microcontroller (1) JA(junction ambient) humidity measuring circuit (4), control output circuit (6), described control output circuit (6) connects some dehumidifiers (8), wherein, the humidity of ambient humidity metering circuit (4) measurement environment, microcontroller (1) according to measure ambient humidity with preset multiple humidity ranges more afterwards pass through the some dehumidifiers of output circuit (6) step control (8).
2. rack intelligence dehumidifier control device according to claim 1, it is characterized in that, also comprise: standby power system (9), described standby power system (9) connects whole rack intelligence dehumidifier control device, after having a power failure, provide emergency power pack.
3. rack intelligence dehumidifier control device according to claim 1, it is characterized in that, described microcontroller (1) connects display circuit (2), and described display circuit (2) is for output display signal.
4. rack intelligence dehumidifier control device according to claim 1, it is characterized in that, described microcontroller (1) connects button (3), and described button (3) is for inputting numerical value to microcontroller (1).
5. rack intelligence dehumidifier control device according to claim 1, it is characterized in that, described microcontroller (1) connecting communication circuit (5), described communicating circuit (5) is for uploading the data to backstage.
6. rack intelligence dehumidifier control device according to claim 1, is characterized in that, being also provided with power circuit (7), for providing normal power source.
7. rack intelligence dehumidifier control device according to claim 2, it is characterized in that, described standby power system (9) adopts lead-acid accumulator.
8. rack intelligence dehumidifier control device according to claim 1, it is characterized in that, described some dehumidifiers (8) are semiconductor dehumidifier machine, are evenly distributed in rack.
9. rack intelligence dehumidifier control device according to claim 8, it is characterized in that, described dehumidifier (8) adopts TEC condensate film.
10. a dehumanization method for rack intelligence dehumidifier control device, is characterized in that, comprise the steps:
S01 inputs multiple default humidity range by button (3) to microcontroller (1);
S02 is measured ambient humidity by ambient humidity metering circuit (4);
The ambient humidity that S03 microcontroller (1) is recorded by ambient humidity metering circuit (4) compares with the multiple humidity ranges preset the humidity range drawn residing for surveyed ambient humidity, selects dehumidifier (8) number of units that namely suitable dehumidifier intensity start;
S04 when ambient humidity metering circuit (4) monitor cabinet environment humidity exceed current humidity scope time, dehumidifier (8) number of units that microcontroller (1) selects residing humidity range again to select suitable dehumidifier intensity namely to start again simultaneously, until cabinet environment humidity is lower than the minimum humidity range of setting, microcontroller (1) controls all dehumidifiers (8) and quits work, thus realize multiparty control, even dehumidifier, step control cabinet environment humidity.
CN201510829727.5A 2015-11-25 2015-11-25 Machine cabinet intelligent dehumidifying controller and dehumidifying method Pending CN105278572A (en)

Priority Applications (1)

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CN201510829727.5A CN105278572A (en) 2015-11-25 2015-11-25 Machine cabinet intelligent dehumidifying controller and dehumidifying method

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Application Number Priority Date Filing Date Title
CN201510829727.5A CN105278572A (en) 2015-11-25 2015-11-25 Machine cabinet intelligent dehumidifying controller and dehumidifying method

Publications (1)

Publication Number Publication Date
CN105278572A true CN105278572A (en) 2016-01-27

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2849788Y (en) * 2005-08-05 2006-12-20 吴智泉 Temp controller for electronic apparatus
CN201438272U (en) * 2009-03-23 2010-04-14 杭州鸿程科技有限公司 Temperature and humidity monitor used for box transformer substation
CN202087220U (en) * 2011-04-28 2011-12-28 陕西金源自动化科技有限公司 Novel digital type dehumidifier
CN104201573A (en) * 2014-07-30 2014-12-10 四川省华电成套设备有限公司 Intelligent constant-temperature high-frequency power supply switch cabinet based on single chip microcomputer
CN104793659A (en) * 2015-04-24 2015-07-22 山东汇能电气有限公司 Electrical equipment chamber environment humidity control method and device based on difference comparison

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2849788Y (en) * 2005-08-05 2006-12-20 吴智泉 Temp controller for electronic apparatus
CN201438272U (en) * 2009-03-23 2010-04-14 杭州鸿程科技有限公司 Temperature and humidity monitor used for box transformer substation
CN202087220U (en) * 2011-04-28 2011-12-28 陕西金源自动化科技有限公司 Novel digital type dehumidifier
CN104201573A (en) * 2014-07-30 2014-12-10 四川省华电成套设备有限公司 Intelligent constant-temperature high-frequency power supply switch cabinet based on single chip microcomputer
CN104793659A (en) * 2015-04-24 2015-07-22 山东汇能电气有限公司 Electrical equipment chamber environment humidity control method and device based on difference comparison

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Application publication date: 20160127