CN103441433A - Cabinet dehumidifying device and method and cabinet monitoring system and method thereof - Google Patents

Cabinet dehumidifying device and method and cabinet monitoring system and method thereof Download PDF

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Publication number
CN103441433A
CN103441433A CN201310364139XA CN201310364139A CN103441433A CN 103441433 A CN103441433 A CN 103441433A CN 201310364139X A CN201310364139X A CN 201310364139XA CN 201310364139 A CN201310364139 A CN 201310364139A CN 103441433 A CN103441433 A CN 103441433A
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China
Prior art keywords
cabinet
temperature
module
humidity
dehydrating unit
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CN201310364139XA
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Chinese (zh)
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CN103441433B (en
Inventor
彭程
龙超
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长沙市蓝虹电气技术有限公司
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Publication of CN103441433A publication Critical patent/CN103441433A/en
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Publication of CN103441433B publication Critical patent/CN103441433B/en

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Abstract

The invention discloses a cabinet dehumidifying device which comprises a control module, a dehumidifying module and a heating module. The dehumidifying module and the heating module are both arranged in a cabinet. The control module is used for analyzing and judging received signals, starting or removing the dehumidifying module and the heating module, judging a fault type and feeding back information in time. The dehumidifying module is used for condensing and collecting moisture in air in the cabinet and discharging the moisture out of the cabinet. The heating module is used for heating the air in the cabinet. The invention further discloses a cabinet dehumidifying method and a monitoring system and monitoring method thereof. According to the technical scheme, cold end frosting of refrigeration fins is effectively prevented, the moisture is discharged out of the cabinet in time, absolute humidity in the cabinet is reduced, fault information is fed back in time and maintained, therefore normal operation of the dehumidifying device is guaranteed, and the effect of thorough dehumidifying is achieved.

Description

Cabinet dehydrating unit, method and cabinet supervisory control system and method
Technical field
The present invention relates to the power technology field, particularly a kind of cabinet dehydrating unit, method and and cabinet supervisory control system and method.
Background technology
In recent years, because the electric power accident that condensation causes that makes moist of equipment in regulator cubicle takes place frequently, along with scientific and technical development, the application that the sealing electrical appliance cabinet is more and more general, in cabinet, equipment also comes compact, to the moisture separating device in cabinet, require also more and more higher like this, for guaranteeing the normal operation of electric equipment in regulator cubicle, humidity to air in cabinet has strict requirement, when airborne relative humidity reaches certain value, by easily making the equipment condensation, cause the generation of the unsafe conditions such as creepage, short circuit, thereby the damage electric equipment, cause damage.
Existing Chinese patent, its application number is 201210281920, date of application is on August 9th, 2012, date of publication November 28 in 2012, the patent of invention that patent name is " dewatering type electricity cabinet dehumidifier ", be the semiconductor chilling plate that utilizes the principle of paltie effect to make, the moisture in cabinet discharged outside cabinet, thereby reach thorough effect on moisture extraction.
But, when ambient temperature reduces suddenly, easily causing the cold junction frosting of cooling piece, frost is piled up backstop and is lived in air port, is unfavorable for that dehumidifier normally moves; Once frost melts simultaneously, a large amount of water droplets can't be discharged in time, have increased the humidity in cabinet, and have easily dropped onto on electric equipment, become on the contrary the threat of electric equipment.
Summary of the invention
(1) technical problem that will solve
The objective of the invention is how to provide a kind of cabinet dehydrating unit, to overcome in prior art, cause the technical problem that dehydrating unit can not safe and effective operation because ambient temperature is too low; The present invention also provides a kind of cabinet dehumanization method, cabinet supervisory control system and method thereof.
(2) technical scheme
In order to solve the problems of the technologies described above, on the one hand, the invention provides a kind of cabinet dehydrating unit, this device comprises control module, dehumidification module and heating module; Described dehumidification module and heating module all are located in cabinet;
Described control module, for being analyzed to the received signal and judging, start or excise described dehumidification module and described heating module, failure judgement type, feedback information in time;
Dehumidification module, for by airborne hydrogenesis in cabinet, collect and offer for sale side by side externally, comprise the housing of cooling piece, radiating subassembly, water leg, aqueduct and the front and back perforate of manufacturing cold junction;
Described radiating subassembly, comprise at the cool guide sheet of cold junction and the radiator in hot junction, the heat insulating mattress between described cool guide sheet and described radiator, and the fan that is fixed on inner walls one side;
The import of described water leg is positioned at described cool guide sheet below, and outlet is connected with described aqueduct;
Described aqueduct extends to outside cabinet;
Described heating module, comprise heater, for the cabinet air is heated.
Preferably, described dehydrating unit also comprises host computer, for receiving feedback information, arranges and revise described control module inner parameter.
Preferably, described control module comprises: transducer and control box;
Described transducer embeds in described control box, for the probe by being arranged in cabinet, detects the temperature-humidity signal in cabinet;
Described control box, comprise signal analysis and control relay circuit unit and display unit;
Described signal analysis and control relay circuit unit, for arranging the first humidity threshold value, the second humidity threshold value, the first temperature threshold and the second temperature threshold in cabinet;
Described the first humidity threshold value is greater than described the second humidity threshold value;
Described the first temperature threshold is less than described the second temperature threshold;
Humidity in described cabinet during higher than described the first humidity threshold value, starts dehumidification module; Humidity in described cabinet during lower than described the second humidity threshold value, is excised dehumidification module;
Or the temperature in described cabinet starts heating module during lower than described the first temperature threshold; Temperature in described cabinet during higher than described the second temperature threshold, is excised heating module;
Display unit, for showing that screen display receives described temperature-humidity signal, dehumidifies or add thermal information.
Preferably, described control module is positioned at outside cabinet or cabinet.
Preferably, described cool guide sheet is pectinate texture.
Preferably, described control module and dehumidification module are dismountable or whole.
On the other hand, the present invention also provides a kind of cabinet dehumanization method, and the method comprises:
Analyzed to the received signal and judged, start or excise described dehumidification module and described heating module, failure judgement type, feedback information in time;
By airborne hydrogenesis, collection in cabinet, offer for sale side by side external;
The cabinet air is heated.
Preferably, the method further comprises: receiving feedback information arranges and revises described control module inner parameter.
Preferably, the moisture in cabinet being discharged to concrete steps comprises as follows:
Detect the temperature-humidity signal in cabinet by the probe be arranged in cabinet;
The first humidity threshold value, the second humidity threshold value, the first temperature threshold and the second temperature threshold in cabinet are set;
Described the first humidity threshold value is greater than described the second humidity threshold value; Described the first temperature threshold is less than described the second temperature threshold;
Humidity in described cabinet during higher than described the first humidity threshold value, starts dehumidification module; Humidity in described cabinet during lower than described the second humidity threshold value, is excised dehumidification module;
Temperature in described cabinet during lower than described the first temperature threshold, starts heating module; Temperature in described cabinet during higher than described the second temperature threshold, is excised heating module;
Showing that screen display receives the information of described temperature-humidity signal, dehumidifying or heating.
Another aspect, the present invention also provides a kind of cabinet supervisory control system, comprises dehydrating unit described above, detecting element PT100 and host computer;
Described detecting element PT100, be embedded in the cool guide sheet of described dehydrating unit, moves the temperature of rear cool guide sheet for detection of described dehydrating unit, and this temperature is transferred to the control module of described transmitting device;
Described dehydrating unit, for detection of the information of cabinet, according to the signal received, if the temperature of described cool guide sheet higher than the set temperature value in described cabinet, dehydrating unit breaks down; By this fault message by RS485 wire communication or GPRS wireless communication transmission to host computer;
Described host computer, for receiving feedback information, arrange and revise described control module inner parameter.
Preferably, while in system, a plurality of cabinet being arranged, the corresponding dehydrating unit of each cabinet, by one of them cabinet, the control box of corresponding dehydrating unit is set as primary control box, and the control box of the dehydrating unit that other cabinets are corresponding is set as the sub-control box;
Described sub-control box, give described primary control box for the communication by its place cabinet;
Described primary control box, be transferred to the attendant for the information by its place cabinet and the communication received to host computer or note.
Preferably, this system also comprises the infrared remote control module, for reading and arrange the relevant parameter of control box.
On the one hand, the present invention also provides a kind of cabinet method for supervising, and the method comprises the steps:
Detect the temperature of the rear cool guide sheet of dehumidifying, and this temperature is transferred to the control module in dehydrating unit;
Detect the information of cabinet, according to the signal received, judge that whether the temperature of described cool guide sheet is lower than the set temperature value in described cabinet, if not, refrigeration breaks down, and by fault message by RS485 wire communication or GPRS wireless communication transmission to host computer;
Receiving feedback information, arrange and revise described control module inner parameter.
Preferably, when in supervisory control system, a plurality of cabinet being arranged, the corresponding dehydrating unit of each cabinet, by one of them cabinet, the control box of corresponding dehydrating unit is set as primary control box, and the control box of the dehydrating unit that other cabinets are corresponding is set as the sub-control box; The method further comprises:
The sub-control box is given described primary control box by the communication of its place cabinet;
Primary control box is transferred to the attendant by the information of its place cabinet and the communication received to host computer or note.
(3) beneficial effect
A kind of cabinet dehydrating unit provided by the present invention, method and cabinet supervisory control system thereof and method have the following advantages:
One, in the cabinet example, heating module is set, when ambient temperature reduces, starts heating module, by improving the temperature in cabinet, near temperature cool guide sheet in dehumidification module is raise, prevented that frosting is conducive to dehydrating unit normally move because temperature is too low for the cold junction of cooling piece;
Two, due to water leg be positioned at cool guide sheet under, by aqueduct, the globule of cold junction mouth drippage is discharged outside cabinet in time, thereby reduces the absolute humidity in cabinet;
Three, also by control module and the detecting element PT100 of dehydrating unit, monitor in real time in cabinet and the operation conditions of dehydrating unit, timely feedback information, be conducive to the attendant and grasp at any time the situation in cabinet, safeguarded in time, thereby guarantee that dehydrating unit normally moves, reach the effect of thorough dehumidifying;
Four, will in the dehumidification module complete machine, separate, make the electronic devices and components of control module avoid moisture influence of moisture in dehumidification module.
The accompanying drawing explanation
The dehydrating unit schematic diagram of the cabinet that Fig. 1 is the embodiment of the present invention;
The dehumidification module structural representation that Fig. 2 is the embodiment of the present invention;
The structural representation of the cooling piece that Fig. 3 is the embodiment of the present invention;
The schematic diagram of the primary control box that Fig. 4 is another embodiment of the present invention and sub-control box;
Fig. 5 is further embodiment of this invention cabinet dehumanization method flow chart;
Fig. 6 is the flow chart that preferred embodiment of the present invention humiture transducer detects temperature-humidity signal;
A kind of cabinet supervisory control system schematic diagram that Fig. 7 is another embodiment of the present invention;
Fig. 8 is the flow chart of the present invention at the cabinet method for supervising of an embodiment;
Wherein, 1-housing, 2-cool guide sheet, 3-cooling piece, 4-radiating subassembly, 5-enclosing cover, 6-radiator, 7-heat insulating mattress, 8-water leg, 9-aqueduct, 10-fan, fan protection support-11.
Embodiment
Below in conjunction with Figure of description and embodiment, the specific embodiment of the present invention is described in further detail.Following examples are only for the present invention is described, but are not used for limiting the scope of the invention.
For guaranteeing the normal operation of electric equipment in the enclosed type electric gas holder, the humidity of air in cabinet is had to strict requirement.But, in prior art, the cooling piece of manufacture has cold junction and hot junction, make the interior steam of cabinet at cold junction mouth condensation Cheng Shui, go out cabinet by row of conduits.Once run into ambient temperature, reduce, dehumidifying just can not normally move safely and effectively.
Therefore, at first the present invention has proposed a kind of cabinet dehydrating unit, and with reference to figure 1, this device comprises control module 10, dehumidification module 20 and heating module 30; Described dehumidification module 20 and heating module 30 all are located in cabinet 15.
Control module 10, for being analyzed to the received signal and judging, start or excise described dehumidification module 20 and described heating module 30, failure judgement type, feedback information in time.
Control module 10 comprises: transducer 12 and control box 11.
Transducer 12 embeds in described control box 11, the temperature-humidity signal detected in cabinet 15 for the probe 121 by being arranged in cabinet 15.For cost-saving, improve the useful life of dehydrating unit, the transducer of the embodiment of the present invention is duct type current mode humiture transducer, guaranteed can be under the hot and humid environment normal effectively work of dehydrating unit, overcome general transducer because voltage transmission easily is disturbed, the serviceability temperature scope is little, caused the shortcomings such as temperature detection is inaccurate, the life-span is short.
In order to guarantee the accuracy of duct type current mode humiture transducer test, also on control module 10, be provided with aligning key simultaneously, the sensor signal that circuit or other reasons are caused is carried out error compensation.
Control box 11, comprise signal analysis and control relay circuit unit 111 and display unit 110.Signal analysis and control relay circuit unit 111, for arranging the first humidity threshold value, the second humidity threshold value, the first temperature threshold and the second temperature threshold in cabinet 15; Wherein, described the first humidity threshold value is greater than described the second humidity threshold value; Described the first temperature threshold is less than described the second temperature threshold; Humidity in described cabinet during higher than described the first humidity threshold value, starts dehumidification module; Humidity in described cabinet during lower than described the second humidity threshold value, is excised dehumidification module; Or the temperature in described cabinet starts heating module 30 during lower than described the first temperature threshold; Temperature in described cabinet during higher than described the second temperature threshold, is excised heating module 30.
Display unit 110, for showing that screen display receives the information of described temperature-humidity signal, dehumidifying or heating, display unit 110 shows the data such as running status, humiture value and calibration value in real time.
The CPU of control module 10 is by being analyzed to the received signal and judging, transfer relay, thus start or excision dehumidification module 20 and heating module 30, and information is fed back to host computer in time.And can directly on control module 10, arrange according to actual needs or host computer arranges online for the intelligent starting threshold values of dehumidification module 20 and heating module 30.
Dehumidification module 20, for by airborne hydrogenesis in cabinet, collect and offer for sale side by side externally, comprise the housing 1 of cooling piece 3, radiating subassembly 4, water leg 8, aqueduct 9 and the front and back perforate of manufacturing cold junction.Wherein control module 10 and dehumidification module 20 is whole, but, according to the space situation in cabinet, is also dismountable, can be convenient to installation and maintenance like this, control module 10 can be located in cabinet 15, but, in order to save the space in cabinet 15, also can be located at outside cabinet 15.Wherein, radiating subassembly 4, comprise at the cool guide sheet 2 of cold junction and the radiator 6 in hot junction, the heat insulating mattress 7 between described cool guide sheet 2 and described radiator 6, and the fan 10 that is fixed on housing 1 inwall one side by fan protection support 11; The import of described water leg 8 be positioned at described cool guide sheet 2 under, outlet is managed and is connected with described water guide 9; Described aqueduct 9 extends to outside cabinet 15.
Wherein, cooling piece 3 adopts TEC1-12706, for the manufacture of " cold junction ", allows airborne hydrogenesis in cabinet.Cool guide sheet 2 is arranged on the cold junction of cooling piece 3.Can be pectinate texture, enlarged the surface area of cold junction, guarantee that cold junction fully contacts with humid air, improve its condensation efficiency.Copper pipe radiator 6, be arranged on the hot junction of cooling piece 3, is conducive to the heat radiation of cooling piece 3.Heat insulating mattress 7 cuts off the exchange heat in cooling piece cold junction and hot junction, makes cold junction keep stable low temperature, guarantees condensation efficiency.Water leg 8 is collected the water droplet condensed on cool guide sheet, and aqueduct 9 is derived cabinet 15 by the water in water leg.The upper side that is fixed on the enclosing cover 5 on housing 1 has four ventilation holes, can adopt screw, and also available rivet is fixed.
Heating module 30, comprise heater, for the air in cabinet 15, heated.Because silica gel heating sheet volume is little, the efficiency of heating surface is high, and the invention process adopts the heating of silica gel heating sheet, has avoided aluminum heater volume commonly used hot slow deficiency greatly.
In order to make the hot junction quick heat radiating of cooling piece, keep cold junction and warm end temperature difference constant, above-described embodiment adopts the copper pipe radiator heat radiation, and its radiating efficiency is high, has guaranteed the condensation efficiency of cold junction low temperature and water.
Above-mentioned control module 10, dehumidification module 20, heating module 30 and transducer 12 are all mutually independently detachable, applicable to installing in the cabinet of narrow space, and maintain easily.As a certain module failure occurs, the attendant can directly replace by new module soon very much, quite rapid and easy.
The embodiment of the present invention arranges heating module in cabinet, when ambient temperature reduces, starts heating module, by improving the temperature in cabinet, the temperature of cool guide sheet in dehumidification module is raise, prevented that frosting is conducive to dehydrating unit normally move because temperature is too low for the cold junction of cooling piece; Due to water leg be positioned at cool guide sheet under, by aqueduct, the globule of cold junction mouth drippage is discharged outside cabinet in time, thereby reduces " absolute humidity " in cabinet.
Above-described embodiment dehydrating unit also comprises host computer 14, for receiving feedback information, arranges and revise described control module inner parameter.Control module 10 is working and the fault message of interior real-time humiture value, dehumidifying or the heating of cabinet 15, and this fault message comprises that failure information package draws together malfunction counter number, fault type and time of failure etc.Cross the RS485 communication or the GPRS communication sends host computer 14 to Deng information exchange, allow the attendant on the office backstage, can grasp in real time the running status of humiture parameter and every equipment, when dehumidifying or heating module can send to background system software by fault-signal by RS485 communication or two kinds of modes of GPRS communication while breaking down, notify in time the attendant, can ensure effective operation of whole dehumidification system, can be arranged and revise control module 10 inner parameters by dehydrating unit.
Another embodiment of the present invention has been put down in writing a kind of cabinet dehumanization method, and with reference to figure 5, the method comprises:
Step 501: analyzed to the received signal and judge, start or excise described dehumidification module and described heating module, failure judgement type, feedback information in time;
Step 502: offer for sale side by side external by airborne hydrogenesis, collection in cabinet;
Step 503: the cabinet air is heated.
In order to notify in time the attendant, ensure effective operation of whole dehumidification system, above-described embodiment further comprises step 504: receiving feedback information arranges and revises described control module inner parameter.
In above-described embodiment, step 502 is above-mentioned discharges outer being implemented as follows of cabinet by the water in cabinet:
Step 5021: by the probe be arranged in cabinet, detect the temperature-humidity signal in cabinet;
Step 5022: for the first humidity threshold value, the second humidity threshold value, the first temperature threshold and the second temperature threshold in cabinet is set; Described the first humidity threshold value is greater than described the second humidity threshold value; Described the first temperature threshold is less than described the second temperature threshold;
Step 5023: the humidity in described cabinet during higher than described the first humidity threshold value, starts dehumidification module; Humidity in described cabinet during lower than described the second humidity threshold value, is excised dehumidification module;
Step 5024: the temperature in described cabinet during lower than described the first temperature threshold, starts heating module; Temperature in described cabinet during higher than described the second temperature threshold, is excised heating module;
Step 5025: showing that screen display receives the information of described temperature-humidity signal, dehumidifying or heating.
As shown in Figure 6, introduce in detail dehumidification process and the heating process of the embodiment of the present invention, wherein the first humidity threshold value is that 65%, the second humidity threshold value is that 55%, the first temperature threshold is 5 ℃, and the second temperature threshold is 10 ℃.
(1) the dehumidifying course of work: be arranged on the humiture degree signal that the probe 121 in cabinet 15 detects in cabinet 15, the ambient temperature and humidity value detected is real-time transmitted to control module 10, CPU constantly just analyzes and judges these values, humidity value in cabinet is elevated to all threshold values of the first humidity threshold value 65%(and all can arranges by control module or backstage), control module 10 starts carrying out dehumidifying work in cabinet to 12V by control relay output loading voltage, in the course of work, probe 121 sends the ambient temperature and humidity value detected to control module 10, when ambient humidity is reduced to the second humidity threshold value 55%, control module 10 judges excision dehumidifying load voltage, thereby stop dehumidifying work.
(2) heating work process: detect judgement with above-mentioned heating work process, when ambient temperature is reduced to 5 ℃ of the first temperature thresholds, control module 10 starts carrying out heating work in cabinet 15 to 220V by control relay output loading voltage, in the course of work, probe 121 sends the environment temperature temperature value detected to control module 10, when ambient temperature is elevated to 10 ℃ of the second temperature thresholds, control module 10 judges excision heating load voltage, thereby stops heating work.
The running of the cabinet dehydrating unit of the embodiment of the present invention is as follows:
1, sensor probe detects air humidity in cabinet, send this moisture signal to control module, control module is analyzed and is judged this moisture signal, when this humidity value higher than set point, this set point can arrange by modification, CPU in control module sends order and starts the relay of controlling dehumidification module, and output 12V voltage, to fan and cooling piece, starts dehumidifying work.
2, fan and cooling piece are worked simultaneously, the hot junction of cooling piece starts heating, cold junction starts heat absorption, wherein hot junction tightly contacts with radiator, heat is transferred to copper pipe radiator, produce Air Flow by fan, take heat out of housing, simultaneously, because the temperature difference at the cold and hot two ends of cooling piece is constant, when hot-side heat dissipation is good, cold junction will keep relatively low temperature, cold junction and cool guide sheet close contact, increased endotherm area, airborne steam is condensed on cool guide sheet, run up to a certain amount of after, in guiding gutter under dropping onto, discharge housing by aqueduct, and then discharge cabinet.Fan, when taking away heat, also allows the interior air of cabinet pass through cool guide sheet with certain rate loop, has improved dehumidification rate.
3, the temperature temperature in cabinet being detected is less than or equal to setting threshold values, and CPU sends order and starts the relay of controlling heating module, and output 220V voltage is to heating module, to being heated in cabinet.
4, in dehumidifying or heating work process, transducer detects temperature-humidity signal and is sent in real time CPU, and the humidity in environment is reduced to a certain set point or temperature is elevated to a certain set point, and CPU will judge respectively and give an order, and excises corresponding relay.
In sum, the dehydrating unit of a kind of cabinet provided by the present invention has following advantage:
One, for ambient temperature, reduce, heating module can improve the air themperature in cabinet, thereby improves the temperature of the cool guide sheet of dehumidification module, eliminates the harm that frost and snow brings, and is conducive to the operation of dehydrating unit; What adopt is the silica gel heating sheet, and its volume is little, saves space.
Two, adopt split-type structural, dehumidification module and control module are independently detachable, and control module can be contained in cabinet or the cabinet outside.
Three, adopt vertical structure, water leg is positioned under cool guide sheet, after water condenses, directly by water leg, collects, and derives cabinet, and effect on moisture extraction is good.
Four, current mode humiture transducer and control module combine, and have reduced the difficulty of installing, and make real-time temperature-humidity signal value more accurate simultaneously.
Further embodiment of this invention has been put down in writing a kind of cabinet supervisory control system, and with reference to figure 7, this system comprises: dehydrating unit described above, detecting element PT100 and host computer 14;
Detecting element PT100, be embedded in the cool guide sheet 2 of described dehydrating unit, moves the temperature of rear cool guide sheet 2 for detection of described dehydrating unit, and this temperature is transferred to the control module 10 of described transmitting device.
Dehydrating unit, for detection of the information in cabinet 15, comprise the temperature value of the cool guide sheet that humiture value in the cabinet that humiture transducer detects or detecting element PT100 detect.
According to the signal received, if the temperature of cool guide sheet 2 set temperature value interior higher than cabinet 15, dehydrating unit breaks down; By this fault message by RS485 wire communication or GPRS wireless communication transmission to host computer; Described host computer 14, for receiving feedback information, arrange and revise described control module 10 inner parameters.Wherein, described set temperature value, relevant with the index of correlation of ambient temperature in current cabinet, cooling piece running time, cooling piece power and radiator, when cabinet under the uniform temperature condition, in a certain stipulated time, cooling piece power is larger, the heat radiation power of radiator is higher, and set temperature value is lower; In the situation of ceteris paribus, ambient temperature is higher within the specific limits, and above-mentioned set point is higher, and ambient temperature is lower, and above-mentioned set point is lower.The monitor message that host computer receives, comprise stop, dehumidifying, heating and fault message.
While in the cabinet supervisory control system, comprising a plurality of cabinet, the corresponding dehydrating unit of each cabinet, by one of them cabinet, the control box of corresponding dehydrating unit is set as primary control box, and the control box of the dehydrating unit that other cabinets are corresponding is set as the sub-control box.
Wherein, the sub-control box, for by the communication of its place cabinet, giving described primary control box, when breaking down, the sub-control box starts the intelligent decision pattern, and by the real time humiture value of monitoring before fault, whether judgement is started or excise dehumidifying load and heating load, and according to the time, start by set date and the excision that drop into.
Primary control box, for the information by its place cabinet and the communication that receives to host computer.The display unit of primary control box shows the cabinet number at fault sub-control box place, primary control box adopt the RS485 wire communication by communication to host computer, or by the GPRS wireless telecommunications by communication to host computer and SMS notification attendant.
The embodiment of the present invention is by control module and the detecting element PT100 of dehydrating unit, monitor in real time in cabinet and the operation conditions of dehydrating unit, timely feedback information, be conducive to the attendant and grasp at any time the situation in cabinet, safeguarded in time, thereby guarantee that dehydrating unit normally moves, reach the effect of thorough dehumidifying.
Above-mentioned supervisory control system also comprises the infrared remote control module, be used for on-the-spot in the situation that do not open the cabinet door, read and arrange the relevant parameter of the relevant parameter of control box, as Threshold of Temperature And Humidity, cabinet address and calibration value etc. in cabinet, avoided opening in the power department maintenance process trouble of cabinet and power failure, can hot line job, reduced degree of danger.
The present invention, at an embodiment, provides a kind of cabinet method for supervising, and with reference to figure 8, the method comprises the steps:
Step 801: detect the temperature of the rear cool guide sheet of dehumidifying, and this temperature is transferred to the control module in dehydrating unit;
Step 802: the information that detects cabinet, according to the signal received, judge that whether the temperature of described cool guide sheet is lower than the set temperature value in described cabinet, if not, refrigeration breaks down, and by fault message by RS485 wire communication or GPRS wireless communication transmission to host computer;
Step 803: receiving feedback information arranges and revises described control module inner parameter.
When in supervisory control system, a plurality of cabinet 15 being arranged, the corresponding dehydrating unit of each cabinet 15 in above-described embodiment, the control box 11 of the dehydrating unit of one of them cabinet 15 correspondence is set as to primary control box, and the control box of the dehydrating unit that other cabinets are corresponding is set as the sub-control box; The method further comprises:
The sub-control box is given described primary control box by the communication of its place cabinet;
Primary control box is transferred to the attendant by the information of its place cabinet and the communication received to host computer or note.
Fault detect and communication process in the cabinet supervisory control system of the embodiment of the present invention:
(3) process fault detection: cooling piece is installed in dehumidification module, be embedded with detector unit PT100 at its cold junction, when dehumidifying operation working properly, the temperature of cooling piece cold junction will be reduced to well below ambient temperature, after dehumidifying work is carried out, the ambient temperature T1 that the temperature value T2 that PT100 detects and sensor probe detect compares, if T2 does not obviously descend, load 5 faults show to dehumidify.
When rising to, ambient humidity starts threshold values H1, control module output loading voltage is to dehumidification module, carry out dehumidifying work, in the course of work, to a certain setting-up time, the startup threshold values H1 of real-time humidity value H2 and front is compared, if H1-H2 is less than a certain value (can arrange), namely in setting-up time, humidity reduction amplitude is less than this value, is judged as so the dehumidifying fault.
(4) communication process: in the above course of work, control module shows on the spot by display unit after receiving the humiture value that sensor probe detects, and, the control module also information exchange such as working, fault message of real-time humiture value, dehumidifying or heating is crossed the RS485 communication modes or the GPRS communication modes sends host computer to, and fault message comprises malfunction counter number, fault type and time of failure etc.Simultaneously, host computer, by above-mentioned communication modes, can, to the dehumidifier device, be realized setting and the modification to the control module inner parameter by software.
In sum, cabinet supervisory control system provided by the present invention has following advantage:
One, feed back in time by control module, realized the real-time monitoring to cabinet and dehydrating unit, be convenient to the attendant and safeguard in time, greatly reduce the risk that troubleshooting causes not in time.
Two, adopt the infrared remote control module that the relevant parameter of control box is set, avoided opening in the power department maintenance process trouble of cabinet and power failure, can hot line job, reduce maintenance cost.
It should be noted that in addition, the kind of cabinet dehydrating unit of the present invention, dehumanization method and supervisory control system and method for supervising is not particularly limited, and can realize the various dehydrating units of function of the present invention or cabinet supervisory control system all within the scope of the invention.
The present invention is not limited to the above mode; no matter on its shape, structure and performing step do any variation, every utilization is random generate the simulation clicking operation of described application program the technical scheme of monitoring the state information of described application program all dropped on to protection range of the present invention within.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.

Claims (14)

1. a cabinet dehydrating unit, is characterized in that, this device comprises control module, dehumidification module and heating module; Described dehumidification module and heating module all are located in cabinet;
Described control module, for being analyzed to the received signal and judging, start or excise described dehumidification module and described heating module, failure judgement type, feedback information in time;
Dehumidification module, for by airborne hydrogenesis in cabinet, collect and offer for sale side by side externally, comprise the housing of cooling piece, radiating subassembly, water leg, aqueduct and the front and back perforate of manufacturing cold junction;
Described radiating subassembly, comprise at the cool guide sheet of cold junction and the radiator in hot junction, the heat insulating mattress between described cool guide sheet and described radiator, and the fan that is fixed on inner walls one side;
The import of described water leg is positioned at described cool guide sheet below, and outlet is connected with described aqueduct;
Described aqueduct extends to outside cabinet;
Described heating module, comprise heater, for the cabinet air is heated.
2. dehydrating unit according to claim 1, is characterized in that, described dehydrating unit also comprises host computer, for receiving feedback information, arranges and revise described control module inner parameter.
3. dehydrating unit according to claim 1, is characterized in that, described control module comprises: transducer and control box;
Described transducer embeds in described control box, for the probe by being arranged in cabinet, detects the temperature-humidity signal in cabinet;
Described control box, comprise signal analysis and control relay circuit unit and display unit;
Described signal analysis and control relay circuit unit, for arranging the first humidity threshold value, the second humidity threshold value, the first temperature threshold and the second temperature threshold in cabinet;
Described the first humidity threshold value is greater than described the second humidity threshold value;
Described the first temperature threshold is less than described the second temperature threshold;
Humidity in described cabinet during higher than described the first humidity threshold value, starts dehumidification module; Humidity in described cabinet during lower than described the second humidity threshold value, is excised dehumidification module;
Or the temperature in described cabinet starts heating module during lower than described the first temperature threshold; Temperature in described cabinet during higher than described the second temperature threshold, is excised heating module;
Display unit, for showing that screen display receives described temperature-humidity signal, dehumidifies or add thermal information.
4. dehydrating unit according to claim 1, is characterized in that, described control module is positioned at outside cabinet or cabinet.
5. dehydrating unit according to claim 1, is characterized in that, described cool guide sheet is pectinate texture.
6. according to the described dehydrating unit of claim 1~5 any one, it is characterized in that, described control module and dehumidification module are dismountable or whole.
7. a cabinet dehumanization method, is characterized in that, the method comprises:
Analyzed to the received signal and judged, start or excise described dehumidification module and described heating module, failure judgement type, feedback information in time;
By airborne hydrogenesis, collection in cabinet, offer for sale side by side external;
The cabinet air is heated.
8. method according to claim 7, is characterized in that, the method further comprises: receiving feedback information arranges and revises described control module inner parameter.
9. method according to claim 7, is characterized in that, the moisture in cabinet discharged to concrete steps and comprise as follows:
Detect the temperature-humidity signal in cabinet by the probe be arranged in cabinet;
The first humidity threshold value, the second humidity threshold value, the first temperature threshold and the second temperature threshold in cabinet are set;
Described the first humidity threshold value is greater than described the second humidity threshold value; Described the first temperature threshold is less than described the second temperature threshold;
Humidity in described cabinet during higher than described the first humidity threshold value, starts dehumidification module; Humidity in described cabinet during lower than described the second humidity threshold value, is excised dehumidification module;
Temperature in described cabinet during lower than described the first temperature threshold, starts heating module; Temperature in described cabinet during higher than described the second temperature threshold, is excised heating module;
Showing that screen display receives the information of described temperature-humidity signal, dehumidifying or heating.
10. a cabinet supervisory control system, is characterized in that, comprises the described dehydrating unit of claim 1~6 any one, detecting element PT100 and host computer;
Described detecting element PT100, be embedded in the cool guide sheet of described dehydrating unit, moves the temperature of rear cool guide sheet for detection of described dehydrating unit, and this temperature is transferred to the control module of described transmitting device;
Described dehydrating unit, for detection of the information of cabinet, according to the signal received, if the temperature of described cool guide sheet higher than the set temperature value in described cabinet, dehydrating unit breaks down; By this fault message by RS485 wire communication or GPRS wireless communication transmission to host computer;
Described host computer, for receiving feedback information, arrange and revise described control module inner parameter.
11. supervisory control system according to claim 10, it is characterized in that, while in system, a plurality of cabinet being arranged, the corresponding dehydrating unit of each cabinet, by one of them cabinet, the control box of corresponding dehydrating unit is set as primary control box, and the control box of the dehydrating unit that other cabinets are corresponding is set as the sub-control box;
Described sub-control box, give described primary control box for the communication by its place cabinet;
Described primary control box, be transferred to the attendant for the information by its place cabinet and the communication received to host computer or note.
12. supervisory control system according to claim 10, is characterized in that, this system also comprises the infrared remote control module, for reading and arrange the relevant parameter of control box.
13. a cabinet method for supervising is characterized in that the method comprises the steps:
Detect the temperature of the rear cool guide sheet of dehumidifying, and this temperature is transferred to the control module in dehydrating unit;
Detect the information of cabinet, according to the signal received, judge that whether the temperature of described cool guide sheet is lower than the set temperature value in described cabinet, if not, refrigeration breaks down, and by fault message by RS485 wire communication or GPRS wireless communication transmission to host computer;
Receiving feedback information, arrange and revise described control module inner parameter.
14. method for supervising according to claim 13, it is characterized in that, when in supervisory control system, a plurality of cabinet being arranged, the corresponding dehydrating unit of each cabinet, by one of them cabinet, the control box of corresponding dehydrating unit is set as primary control box, and the control box of the dehydrating unit that other cabinets are corresponding is set as the sub-control box; The method further comprises:
The sub-control box is given described primary control box by the communication of its place cabinet;
Primary control box is transferred to the attendant by the information of its place cabinet and the communication received to host computer or note.
CN201310364139.XA 2013-08-20 2013-08-20 Cabinet dehydrating unit, method and cabinet supervisory system thereof and method CN103441433B (en)

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CN107069449A (en) * 2017-05-16 2017-08-18 沈阳工业大学 A kind of electric distribution cabinet dehumidifier and its control method
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CN104076847A (en) * 2014-07-21 2014-10-01 国家电网公司 Multiple temperature and humidity sensor placing and load switching method for outdoor control cubicle
CN104076847B (en) * 2014-07-21 2016-06-29 国家电网公司 A kind of outdoor many Temperature Humidity Sensors of convergence control cabinet are layouted and the method for load switching
CN104538854A (en) * 2014-09-25 2015-04-22 国家电网公司 Cabinet dehumidifier capable of avoiding secondary condensation
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CN110023869A (en) * 2016-09-30 2019-07-16 贝利莫控股公司 HVAC actuator with heating equipment
CN107069449A (en) * 2017-05-16 2017-08-18 沈阳工业大学 A kind of electric distribution cabinet dehumidifier and its control method

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