CN202615254U - Condensation-prevention control system based on wireless network - Google Patents
Condensation-prevention control system based on wireless network Download PDFInfo
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- CN202615254U CN202615254U CN 201220267397 CN201220267397U CN202615254U CN 202615254 U CN202615254 U CN 202615254U CN 201220267397 CN201220267397 CN 201220267397 CN 201220267397 U CN201220267397 U CN 201220267397U CN 202615254 U CN202615254 U CN 202615254U
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- heating plate
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- microprocessor
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Abstract
The utility model relates to the field of the field of a control system, and more specifically relates to a condensation-prevention control system based on a wireless network. The system comprises a microprocessor, a heating plate, a fan, a humiture sensor, a WSN communication node and a power supply module. The heating plate is connected with the microprocessor through a first drive circuit. The fan is connected with the microprocessor via a second drive circuit. Both the humiture sensor and the WSN communication node are in connection with the microprocessor. AC mutual inductors are arranged on the heating plate. According to the condensation-prevention control system based on the wireless network, the AC mutual inductors are adopted to monitor the work current of the heating plate and the fan so as to determine whether the heating plate and the fan are under normal operation, thereby avoiding cases that the heating plate and the fan do not work normally while the plate and the fan are supposed to or the heating plate and the fan normally work while the plate and the fan are not supposed to because the heating plate and the fan are damaged, better monitoring and preventing a condensation phenomenon, and also preventing dangerous accidents.
Description
Technical field
The utility model relates to the control system field, particularly a kind of anti-condensation control system based on wireless network.
Background technology
Transformer substation switch equipment is high voltage electric equipment, out of doors or the indoor environmental influence that receives in service very big.If moisture is excessive in the environment, reach certain condensation point after, the condensation phenomenon appears in switchgear surface at a lower temperature probably, high humidity environment is very unfavorable to the operation of electrical equipment.Electrical equipment long-play under the condensation environment causes equipment corrosion easily, cause equipment and electric between insulation descend, maybe that discharge takes place be accidents caused because of apparatus insulated place when serious, so switching devices prevent the condensation control very necessity that seems.
Anti-condensation system has in the market had a lot; But there is individual common characteristic in these anti-condensation systems; Be exactly the firing equipment of anti-condensation system and the duty of fan in the switch cubicle not to be monitored, yet whether firing equipment and fan normally move crucial effects is arranged safely in the switch cubicle.For example, firing equipment damages because of self, when answering operate as normal and do not have operate as normal, then possibly cause in the switch cubicle humidity to increase and the condensation phenomenon occurs, does not reach the effect of anti-condensation; On the contrary, when normally not closing, then can cause the switch in-cabinet temperature too high, possibly cause the generation of security incident if firing equipment should cut out; If do not work when fan should operate as normal, then can cause heating inhomogeneous, the overlong time that causes heating or too short, heat time heating time is long may to cause the temperature in the switch cubicle too high, and heat time heating time is not enough, then can cause anti-condensation poor effect.Therefore monitor necessary to the firing equipment of the anti-condensation system in the switch cubicle and the operational situation of fan.
The utility model content
The purpose of the utility model is: exist not the operational situation of the firing equipment of anti-condensation system and fan monitored to prior art to cause anti-condensation weak effect; Even the problem of generation security incident, a kind of anti-condensation control system based on wireless network is provided.
To achieve these goals, the technical scheme of the utility model employing is:
A kind of anti-condensation control system based on wireless network; Comprise microprocessor, heating plate, fan, Temperature Humidity Sensor, WSN communication node and power module; Said heating plate is connected with microprocessor through first driving circuit; Said fan is connected with microprocessor through second driving circuit, and said Temperature Humidity Sensor all is connected with microprocessor with the WSN communication node, on the said heating plate D.C mutual-inductor is installed.
Further, on the said fan D.C mutual-inductor is installed also.
As the preferred version of the utility model, should also comprise the LCD display that is connected with microprocessor based on the anti-condensation control system of wireless network.Further, said LCD display set inside has photoresistance.
As the preferred version of the utility model, said WSN communication node is wireless ZigBee node.
As the preferred version of the utility model, said first driving circuit comprises solid-state relay, and said second driving circuit comprises solid-state relay.
In sum, owing to adopted technique scheme, the beneficial effect of the utility model is:
1, the utility model is based on the anti-condensation control system of wireless network; Heating plate is provided with D.C mutual-inductor; D.C mutual-inductor is monitored the working current of heating plate, thereby judges whether heating plate is in running order, through the monitoring to the heating plate duty; And then judge whether heating plate normally moves; Not normally operation when having avoided heating plate to damage should normally moving of causing because of self, situation about moving in the time of should not moving take place, and have realized better condensation phenomenon monitoring and protection, have also avoided the generation of peril.
When 2, fan is because of the damage cisco unity malfunction, heats inhomogeneous meeting and cause local temperature too high or too low, and then cause heat time heating time not enough or heat time heating time is long, cause anti-condensation poor effect.D.C mutual-inductor also is installed on the fan,, has avoided the generation of this type of situation, further improved anti-condensation effect through monitoring to the fan work state.
Description of drawings
Fig. 1 is based on the structured flowchart of the anti-condensation control system of wireless network among the utility model embodiment 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
With reference to figure 1, a kind of anti-condensation control system based on wireless network that present embodiment is enumerated comprises microprocessor, heating plate, fan, Temperature Humidity Sensor, LCD display, WSN communication node and power module; Wherein, said LCD display set inside has photoresistance, and said WSN communication node is wireless ZigBee node, and said Temperature Humidity Sensor, LCD display and wireless ZigBee node all are connected with microprocessor; The 220VAC input end of said power module is provided with a power switch and power light; 220VAC becomes DC voltage after the transformer step-down; Reduce to the various DC voltages that system needs through LD0 (low pressure difference linear voltage regulator) circuit again, for microprocessor, heating plate, fan, Temperature Humidity Sensor, LCD display, wireless ZigBee node in the system provide power supply; On the said heating plate D.C mutual-inductor is installed; Said D.C mutual-inductor is connected with microprocessor, and D.C mutual-inductor also is installed on the said fan, and said D.C mutual-inductor is connected with microprocessor; Said heating plate is connected with microprocessor through first driving circuit; Said fan is connected with microprocessor through second driving circuit, and said first driving circuit comprises solid-state relay, and said second driving circuit comprises solid-state relay; The isolation that solid-state relay provides isolating device to realize control end and load end prevents to cause security incident because of relay produces electric spark in the moment of opening or cutting out.
A kind of anti-condensation control system based on wireless network that present embodiment is enumerated is applied to the transformer substation switch cabinet; Its principle of work is: said Temperature Humidity Sensor detects the temperature in the switch cubicle, humidity, and microprocessor then controls the startup of heating plate and fan according to the testing result of Temperature Humidity Sensor and cuts out.Humidity promptly refers to relative air humidity, the relative humidity of air be exactly the actual vapor of air press with temperature at that time under the percent value of saturation vapour pressure, temperature is high more, the saturation vapour pressure of air is big more, relative air humidity reduces.Humidity is greater than in the switch cubicle during safe humidity in Temperature Humidity Sensor detects switch cubicle, and microprocessor starts heating plate and fan simultaneously, reduces humidity through rising switch in-cabinet temperature.Concrete, if Temperature Humidity Sensor detects humidity in the switch cubicle when reaching the level threshold value (88%RH) of setting, microprocessor starts the heating plate heating through first driving circuit; Microprocessor starts fan work through second driving circuit simultaneously; Fan quickens air flow, make heat radiation more fast, more even, promote the switch in-cabinet temperature to raise faster; When the temperature in Temperature Humidity Sensor detects switch cubicle reached 55 ℃ of left and right sides, the microprocessor controls heating plate stopped heating; 55 ℃ in switch cubicle safe temperature scope; The Flash storing control program of microprocessor internal; Be provided with 55 ℃ through control program and be the heating threshold value, the temperature in Temperature Humidity Sensor detects switch cubicle stops heating when reaching 55 ℃ of left and right sides, so under the normal condition; The upper temperature limit that temperature in the switch cubicle can not surpass switch cubicle safe temperature scope need not use cooling system to reduce the switch in-cabinet temperature.
Be provided with D.C mutual-inductor on heating plate and the fan; D.C mutual-inductor detects the working current of heating plate and fan constantly; Then testing result is transferred to microprocessor; Microprocessor demonstrates the working current value of heating plate and fan through LCD display, and then detects heating plate and fan whether in running order (heating plate/fan is in running order and current value off working state is different).Anti-condensation control system based on wireless network is provided with the WSN communication node; Realize that through the WSN wireless network anti-condensation control system is connected with the Control Room PC, the staff in the Control Room also can monitor the temperature in the switch cubicle, humidity, heating plate duty situation and fan work state status.Temperature in Temperature Humidity Sensor detects switch cubicle, humidity is all at switch cubicle safety temperature humidity range, but heating plate and/or fan are when in running order; Temperature in Temperature Humidity Sensor detects switch cubicle and/or humidity exceed switch cubicle safety temperature humidity range; But when heating plate and/or fan are not worked; Staff in the Control Room all can detect; And then the heating plate and/or the fan that damage changed, make that the anti-condensation control system based on wireless network prevents that more effectively the condensation phenomenon from taking place, and also avoids the generation of security incident.
The most applications switch cubicle all is in the dark surrounds of cutting out, if the backlight of LCD display is in running order always, not only causes the waste of resource, also reduces the serviceable life of backlight.In the photoresistance of said LCD display set inside; Under the environment of dark; Backlight is in always and extinguishes state, has only when switch cubicle is opened, and the photoresistance resistance reduces rapidly under the illumination effect; Backlight is opened, and the staff just can clearly see the duty of temperature displayed on the LCD display, humidity and heating plate and fan.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (6)
1. anti-condensation control system based on wireless network; Comprise microprocessor, heating plate, fan, Temperature Humidity Sensor, WSN communication node and power module; Said heating plate is connected with microprocessor through first driving circuit, and said fan is connected with microprocessor through second driving circuit, and said Temperature Humidity Sensor all is connected with microprocessor with the WSN communication node; It is characterized in that, on the said heating plate D.C mutual-inductor is installed.
2. the anti-condensation control system based on wireless network according to claim 1 is characterized in that, D.C mutual-inductor also is installed on the said fan.
3. the anti-condensation control system based on wireless network according to claim 1 and 2 is characterized in that, should also comprise the LCD display that is connected with microprocessor based on the anti-condensation control system of wireless network.
4. the anti-condensation control system based on wireless network according to claim 3 is characterized in that said LCD display set inside has photoresistance.
5. according to claim 1 or 2 or 4 described anti-condensation control system, it is characterized in that said WSN communication node is wireless ZigBee node based on wireless network.
6. the anti-condensation control system based on wireless network according to claim 5 is characterized in that said first driving circuit comprises solid-state relay, and said second driving circuit comprises solid-state relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220267397 CN202615254U (en) | 2012-06-07 | 2012-06-07 | Condensation-prevention control system based on wireless network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220267397 CN202615254U (en) | 2012-06-07 | 2012-06-07 | Condensation-prevention control system based on wireless network |
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| Publication Number | Publication Date |
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| CN202615254U true CN202615254U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220267397 Expired - Lifetime CN202615254U (en) | 2012-06-07 | 2012-06-07 | Condensation-prevention control system based on wireless network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235621A (en) * | 2013-04-28 | 2013-08-07 | 成都思晗科技有限公司 | Mist-preventing intelligent control system for cabinet |
| CN104360704A (en) * | 2014-10-31 | 2015-02-18 | 苏州佑瑞检测技术有限公司 | Switch cabinet condensation monitoring system based on dual single-chip microcomputers |
| CN109116896A (en) * | 2018-03-20 | 2019-01-01 | 国网浙江桐庐县供电有限公司 | A kind of substation equipment wet device of heat dissipation control |
-
2012
- 2012-06-07 CN CN 201220267397 patent/CN202615254U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235621A (en) * | 2013-04-28 | 2013-08-07 | 成都思晗科技有限公司 | Mist-preventing intelligent control system for cabinet |
| CN103235621B (en) * | 2013-04-28 | 2015-03-11 | 成都思晗科技有限公司 | Mist-preventing intelligent control system for cabinet |
| CN104360704A (en) * | 2014-10-31 | 2015-02-18 | 苏州佑瑞检测技术有限公司 | Switch cabinet condensation monitoring system based on dual single-chip microcomputers |
| CN109116896A (en) * | 2018-03-20 | 2019-01-01 | 国网浙江桐庐县供电有限公司 | A kind of substation equipment wet device of heat dissipation control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 610041, 30, 1, 3003, 138 Tianfu two street, Chengdu hi tech Zone, Sichuan, China Patentee after: Chengdu Si Han Science and Technology Co., Ltd. Address before: West high tech Zone Fucheng Road in Chengdu city of Sichuan province 610041 No. 399 Tianfu New Valley No. 5 Building 8 floor Patentee before: Chengdu Sihan Technology Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20121219 |
|
| CX01 | Expiry of patent term |