CN103441433B - Cabinet dehydrating unit, method and cabinet supervisory system thereof and method - Google Patents
Cabinet dehydrating unit, method and cabinet supervisory system thereof and method Download PDFInfo
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- CN103441433B CN103441433B CN201310364139.XA CN201310364139A CN103441433B CN 103441433 B CN103441433 B CN 103441433B CN 201310364139 A CN201310364139 A CN 201310364139A CN 103441433 B CN103441433 B CN 103441433B
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Abstract
The present invention discloses a kind of cabinet dehydrating unit, and this device comprises control module, dehumidification module and heating module; Described dehumidification module and heating module are all located in cabinet; Described control module, analyzes for carrying out to the received signal and judges, starts or excises described dehumidification module and described heating module, failure judgement type, timely feedback information; Dehumidification module, for offeing for sale external side by side by the hydrogenesis in air in cabinet, collection; Described heating module, for heating cabinet air. The invention also discloses cabinet dehumanization method and supervisory system thereof and monitoring method. Technical scheme disclosed in this invention effectively prevent the cold junction frosting of cooling piece, in time water is discharged outside cabinet, reduce " absolute humidity " in cabinet, feed back failure message in time and safeguard, thus ensure that dehydrating unit normally runs, reach the effect of thoroughly dehumidifying.
Description
Technical field
The present invention relates to technical field of electric power, in particular to a kind of cabinet dehydrating unit, method and and cabinet supervisory system and method.
Background technology
In recent years, the electric power accident coagulating dew and cause that makes moist due to equipment in electric cabinet takes place frequently, along with the development of science and technology, the application that sealing electrical appliance cabinet is more and more general, in cabinet, equipment also more comes compact, like this moisture separating device in cabinet is required also more and more higher, for ensureing the normal operation of electric installation in electric cabinet, the humidity of air in cabinet there is strict requirement, when the relative humidity in air reaches certain value, by will easily make the solidifying dew of equipment, cause the generation of the unsafe condition such as creepage, short-circuit, thus damage electric installation, cause loss.
Existing Chinese patent, its application number is 201210281920, date of application is on August 9th, 2012, announce November 28 2012 day, patent name is the patent of invention of " water drain type electric cabinet dehumidifier ", it is the semi-conductor cooling piece utilizing the principle of paltie effect to make, the moisture in cabinet is discharged outside cabinet, thus reaches thorough effect on moisture extraction.
But, when outside 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 moisture trap normally runs; Frost is once thawing simultaneously, and a large amount of water droplet cannot be discharged in time, adds the humidity in cabinet, and easily drops onto on electric installation, becomes the threat of electric installation on the contrary.
Summary of the invention
(1) technical problem solved
It is an object of the invention to how to provide a kind of cabinet dehydrating unit, prior art causes owing to envrionment temperature is too low dehydrating unit can not the technical problem of safe and effective operation to overcome; Present invention also offers a kind of cabinet dehumanization method, cabinet supervisory system and method thereof.
(2) technical scheme
In order to solve the problems of the technologies described above, on the one hand, the present invention provides a kind of cabinet dehydrating unit, and this device comprises control module, dehumidification module and heating module; Described dehumidification module and heating module are all located in cabinet;
Described control module, analyzes for carrying out to the received signal and judges, starts or excises described dehumidification module and described heating module, failure judgement type, timely feedback information;
Dehumidification module, for offeing for sale external side by side by the hydrogenesis in air in cabinet, collection, comprises the housing of the cooling piece, radiating subassembly, water leg, aqueduct and the front and back perforate that manufacture cold junction;
Described radiating subassembly, comprises at the cool guide sheet of cold junction and the scatterer in hot junction, the heat insulating mattress between described cool guide sheet and described scatterer, and is fixed on the fan of inner walls side;
The import of described water leg is positioned at below described cool guide sheet, and outlet is connected with described aqueduct;
Described aqueduct extends to outside cabinet;
Described heating module, comprises well heater, for being heated by cabinet air.
Preferably, described dehydrating unit also comprises upper computer, for receiving feedback information, arranges and revise described control module inner parameter.
Preferably, described control module comprises: sensor and control enclosure;
Described sensor embeds in described control enclosure, for the temperature-humidity signal in the probe detection cabinet by being arranged in cabinet;
Described control enclosure, comprises signal analysis and Control circuit unit and display unit;
Described signal analysis and Control circuit unit, for setting the first humidity threshold in cabinet, the 2nd humidity threshold, the first temperature threshold value and the 2nd temperature threshold value;
Described first humidity threshold is greater than described 2nd humidity threshold;
Described first temperature threshold value is less than described 2nd temperature threshold value;
When the humidity in described cabinet is higher than described first humidity threshold, then start dehumidification module; When the humidity in described cabinet is lower than described 2nd humidity threshold, then excise dehumidification module;
Or when the temperature in described cabinet is lower than described first temperature threshold value, then start heating module; When the temperature in described cabinet is higher than described 2nd temperature threshold value, then excise heating module;
Display unit, receives described temperature-humidity signal, dehumidifying or heating information for display on a display screen.
Preferably, described control module is positioned at outside cabinet or cabinet.
Preferably, described cool guide sheet is pectination.
Preferably, described control module and dehumidification module are dismountable or overall.
On the other hand, the present invention also provides a kind of cabinet dehumanization method, and the method comprises:
Carry out analyzing and judging to the received signal, start or excise described dehumidification module and described heating module, failure judgement type, timely feedback information;
Hydrogenesis in air in cabinet, collection are offerd for sale external side by side;
Cabinet air is heated.
Preferably, the method comprises further: receiving feedback information, arranges and revise described control module inner parameter.
Preferably, the moisture in cabinet being discharged concrete steps comprises as follows:
The temperature-humidity signal in cabinet is detected by the probe being arranged in cabinet;
The first humidity threshold in cabinet, the 2nd humidity threshold, the first temperature threshold value and the 2nd temperature threshold value are set;
Described first humidity threshold is greater than described 2nd humidity threshold; Described first temperature threshold value is less than described 2nd temperature threshold value;
When the humidity in described cabinet is higher than described first humidity threshold, then start dehumidification module; When the humidity in described cabinet is lower than described 2nd humidity threshold, then excise dehumidification module;
When the temperature in described cabinet is lower than described first temperature threshold value, then start heating module; When the temperature in described cabinet is higher than described 2nd temperature threshold value, then excise heating module;
Display receives the information of described temperature-humidity signal, dehumidifying or heating on a display screen.
Again on the one hand, present invention also offers a kind of cabinet supervisory system, comprise dehydrating unit described above, measuring element PT100 and upper computer;
Described measuring element PT100, is embedded in the cool guide sheet of described dehydrating unit, runs the temperature of rear cool guide sheet for detecting described dehydrating unit, and this temperature is transferred to the control module of described dehydrating unit;
Described dehydrating unit, for detecting the information of cabinet, according to the signal received, if the temperature of described cool guide sheet is higher than the set temperature value in described cabinet, then dehydrating unit breaks down; By this failure message by the wired communication of RS485 or GPRS wireless communication transmission to upper computer;
Described upper computer, for receiving feedback information, arranges and revises described control module inner parameter.
Preferably, when there being multiple cabinet in system, the corresponding dehydrating unit of each cabinet, is set as primary control box by the control enclosure of dehydrating unit corresponding for one of them cabinet, and the control enclosure of the dehydrating unit that other cabinets are corresponding is set as sub-control box;
Described sub-control box, for being transferred to described primary control box by the information of its place cabinet;
Described primary control box, for being transferred to upper computer by the information of its place cabinet and the information that receives or note is transferred to maintenance personnel.
Preferably, this system also comprises infrared remote control module, for reading and arrange the correlation parameter of control enclosure.
On the one hand, present invention also offers a kind of cabinet monitoring method, the method comprises the steps:
The temperature of cool guide sheet after detection dehumidifying, and the control module that this temperature is transferred in dehydrating unit;
The information of detection 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 being, then refrigeration breaks down, and by failure message by the wired communication of RS485 or GPRS wireless communication transmission to upper computer;
Receiving feedback information, arranges and revises described control module inner parameter.
Preferably, for, when having multiple cabinet in supervisory system, the corresponding dehydrating unit of each cabinet, is set as primary control box by the control enclosure of dehydrating unit corresponding for one of them cabinet, and the control enclosure of the dehydrating unit that other cabinets are corresponding is set as sub-control box; The method comprises further:
The information of its place cabinet is transferred to described primary control box by sub-control box;
With the information received, the information of its place cabinet is transferred to primary control box upper computer or note is transferred to maintenance personnel.
(3) useful effect
A kind of cabinet dehydrating unit provided by the present invention, method and cabinet supervisory system thereof and method have the following advantages:
One, heating module is set in cabinet example, when external environment decrease in temperature, starts heating module, by the temperature improved in cabinet, make in dehumidification module the temperature near cool guide sheet raise, prevent the frosting owing to temperature is too low of the cold junction of cooling piece, be conducive to dehydrating unit normally to run;
Two, owing to water leg is positioned at the underface of cool guide sheet, by aqueduct, the globule that cold junction mouth drips is discharged outside cabinet in time, thus reduce the absolute humidity in cabinet;
Three and by the control module of dehydrating unit and measuring element PT100, with the operation conditions of dehydrating unit in monitor in real time cabinet, timely feedback information, maintenance personnel is conducive to grasp the situation in cabinet at any time, safeguard in time, thus ensure that dehydrating unit normally runs, reach the effect of thoroughly dehumidifying;
Four, separate in dehumidification module complete machine, make the electronic devices and components of control module from moisture influence of moisture in dehumidification module.
Accompanying drawing explanation
Fig. 1 is the dehydrating unit schematic diagram of the cabinet of the embodiment of the present invention;
Fig. 2 is the dehumidification module structural representation of the embodiment of the present invention;
Fig. 3 is the structural representation of the cooling piece of the embodiment of the present invention;
Fig. 4 is the primary control box of another embodiment of the present invention and the schematic diagram of sub-control box;
Fig. 5 is further embodiment of this invention cabinet dehumanization method schema;
Fig. 6 is the schema of preferred embodiment of the present invention humiture transducer detection temperature-humidity signal;
Fig. 7 is a kind of cabinet supervisory system schematic diagram of another embodiment of the present invention;
Fig. 8 is the schema of the present invention at the cabinet monitoring method of an embodiment;
Wherein, 1-housing, 2-cool guide sheet, 3-cooling piece, 4-radiating subassembly, 5-enclosing cover, 6-scatterer, 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 illustration of the present invention, but are not used for limiting the scope of the invention.
For ensureing the normal operation of electric installation in enclosed type electric gas holder, the humidity of air in cabinet there is strict requirement. But owing to, in prior art, the cooling piece of manufacture has cold junction and hot junction, the water vapour in cabinet is coagulated at cold junction mouth and reveals into water, go out cabinet by row of conduits. Reducing once run into ambient temperature, dehumidifying just can not normally run safely and effectively.
Therefore, the present invention first 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 are all located in cabinet 15.
Control module 10, analyzes for carrying out to the received signal and judges, starts or excises described dehumidification module 20 and described heating module 30, failure judgement type, timely feedback information.
Control module 10 comprises: sensor 12 and control enclosure 11.
Sensor 12 embeds in described control enclosure 11, for the temperature-humidity signal in the probe 121 detection cabinet 15 by being arranged in cabinet 15. In order to cost-saving, improve the work-ing life of dehydrating unit, the sensor of the embodiment of the present invention is duct type current mode humiture transducer, ensure that dehydrating unit can normal under hot and humid environment effectively work, overcome general sensor due to voltage transmission be easily disturbed, use temperature scope little, cause the shortcomings such as temperature detection is inaccurate, the life-span is short.
In order to ensure the accuracy that duct type current mode humiture transducer is tested, being also provided with aligning key in control module 10, sensor signal circuit or other reasons caused carries out error compensation simultaneously.
Control enclosure 11, comprises signal analysis and Control circuit unit 111 and display unit 110. Signal analysis and Control circuit unit 111, for setting the first humidity threshold in cabinet 15, the 2nd humidity threshold, the first temperature threshold value and the 2nd temperature threshold value; Wherein, described first humidity threshold is greater than described 2nd humidity threshold; Described first temperature threshold value is less than described 2nd temperature threshold value; When the humidity in described cabinet is higher than described first humidity threshold, then start dehumidification module; When the humidity in described cabinet is lower than described 2nd humidity threshold, then excise dehumidification module; Or when the temperature in described cabinet is lower than described first temperature threshold value, then start heating module 30; When the temperature in described cabinet is higher than described 2nd temperature threshold value, then excise heating module 30.
Display unit 110, receives the information of described temperature-humidity signal, dehumidifying or heating for display on a display screen, and display unit 110 shows the data such as running status, warm and humid angle value and calibration value in real time.
The CPU of control module 10 is by carrying out to the received signal analyzing and judging, transfer relay, thus starts or excise dehumidification module 20 and heating module 30, and information is fed back upper computer in time. And the intelligent starting valve value for dehumidification module 20 and heating module 30 can directly arrange in control module 10 according to actual needs or upper computer is arranged online.
Dehumidification module 20, for offeing for sale external side by side by the hydrogenesis in air in cabinet, collection, comprises the housing 1 of the cooling piece 3, radiating subassembly 4, water leg 8, aqueduct 9 and the front and back perforate that manufacture cold junction. Wherein control module 10 and dehumidification module 20 are overall, but according to the space situation in cabinet, are also dismountable, can be convenient to install like this and safeguard, control module 10 can be located in cabinet 15, but the space in order to save in cabinet 15, it is also possible to it is located at outside cabinet 15. Wherein, radiating subassembly 4, is comprised at the cool guide sheet 2 of cold junction and the scatterer 6 in hot junction, the heat insulating mattress 7 between described cool guide sheet 2 and described scatterer 6, and is fixed on the fan 10 of housing 1 inwall side by fan protection support 11; The import of described water leg 8 is positioned at the underface of described cool guide sheet 2, and outlet is connected with described water 9 pipe of leading; Described aqueduct 9 extends to outside cabinet 15.
Wherein, cooling piece 3 adopts TEC1-12706, for the manufacture of " cold junction ", and the hydrogenesis allowed in cabinet in air. Cool guide sheet 2 is arranged on the cold junction of cooling piece 3. Can be pectination, expand the surface-area of cold junction, ensure that cold junction fully contacts with damp atmosphere, it is to increase its solidifying dew efficiency. Copper pipe radiator 6, is 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 thermal exchange in cooling piece cold junction and hot junction, makes the low temperature that cold junction keeps stable, ensures condensation efficiency. The water droplet of condensation on cool guide sheet collected by water leg 8, and the water in water leg is derived cabinet 15 by aqueduct 9. The upper side of the enclosing cover 5 being fixed on housing 1 has four ventilation holes, can adopt screw, it is possible to fix with rivet.
Heating module 30, comprises well heater, for being heated by the air in cabinet 15. Owing to silica gel heating sheet volume is little, heating efficiency height, the invention process adopts the heating of silica gel heating sheet, avoids conventional aluminium well heater volume hot slow deficiency greatly.
In order to make the hot junction quick heat radiating of cooling piece, keeping cold junction and warm end temperature difference constant, above-described embodiment adopts copper pipe radiator heat radiation, and its efficiency height that dispels the heat, ensure that the condensation efficiency of cold junction low temperature and water.
Above-mentioned control module 10, dehumidification module 20, heating module 30 and sensor 12 are all mutually independently detachable, applicable in installing in the cabinet of narrow space, and maintain easily. As there is a certain module fault, maintenance personnel can very fast direct new module replace, easy quite rapidly.
The embodiment of the present invention arranges heating module in cabinet, when external environment decrease in temperature, starts heating module, by the temperature improved in cabinet, the temperature of cool guide sheet in dehumidification module is raised, prevent the cold junction of cooling piece due to temperature is too low and frosting, be conducive to dehydrating unit normally to run; Owing to water leg is positioned at the underface of cool guide sheet, by aqueduct, the globule that cold junction mouth drips is discharged outside cabinet in time, thus reduce " absolute humidity " in cabinet.
Above-described embodiment dehydrating unit also comprises upper computer 14, for receiving feedback information, arranges and revise described control module inner parameter. Control module 10 is by the work running status of warm and humid angle value real-time in cabinet 15, dehumidifying or heating and failure message, and this failure message comprises failure information package and draws together malfunction counter number, fault type and time of failure etc. Upper computer 14 is sent to by RS485 communication or GPRS communication etc. information, allow maintenance personnel on office backstage, humiture parameter and the running status of every platform equipment can be grasped in real time, by RS485 communication or GPRS communication two kinds of modes, trouble signal is sent to backstage system software when dehumidifying or heating module breaks down, notify maintenance personnel in time, effective operation of whole dehumidification system can be ensured, by dehydrating unit, control module 10 inner parameter is arranged and revises.
Another embodiment of the present invention describes a kind of cabinet dehumanization method, and with reference to figure 5, the method comprises:
Step 501: carry out analyzing and judging to the received signal, starts or excises described dehumidification module and described heating module, failure judgement type, timely feedback information;
Step 502: the hydrogenesis in air in cabinet, collection are offerd for sale external side by side;
Step 503: cabinet air is heated.
In order to notify maintenance personnel in time, ensureing effective operation of whole dehumidification system, above-described embodiment comprises step 504 further: receiving feedback information, arranges and revise described control module inner parameter.
In above-described embodiment, step 502 is above-mentioned discharges being implemented as follows outside cabinet by the water in cabinet:
Step 5021: detect the temperature-humidity signal in cabinet by the probe being arranged in cabinet;
Step 5022: the first humidity threshold in cabinet, the 2nd humidity threshold, the first temperature threshold value and the 2nd temperature threshold value are set; Described first humidity threshold is greater than described 2nd humidity threshold; Described first temperature threshold value is less than described 2nd temperature threshold value;
Step 5023: when the humidity in described cabinet is higher than described first humidity threshold, then start dehumidification module; When the humidity in described cabinet is lower than described 2nd humidity threshold, then excise dehumidification module;
Step 5024: when the temperature in described cabinet is lower than described first temperature threshold value, then start heating module; When the temperature in described cabinet is higher than described 2nd temperature threshold value, then excise heating module;
Step 5025: display receives the information of described temperature-humidity signal, dehumidifying or heating on a display screen.
As shown in Figure 6, the dehumidification process of the detail embodiment of the present invention and heat-processed, wherein the first humidity threshold is the 65%, two humidity threshold be the 55%, first temperature threshold value is 5 DEG C, and the 2nd temperature threshold value is 10 DEG C.
(1) dehumidify working process: the humiture degree signal in the probe 121 detection cabinet 15 being arranged in cabinet 15, the ambient temperature and humidity value detected is real-time transmitted to control module 10, these values are constantly just analyzed and are judged by CPU, when the humidity value in cabinet is elevated to the first humidity threshold 65% (all valve values are all arranged) by control module or backstage, control module 10 starts carrying out dehumidifying work in cabinet by relay output load voltage to 12V, in working process, probe 121 sends the ambient temperature and humidity value detected to control module 10, when ambient moisture is reduced to the 2nd humidity threshold 55%, control module 10 judges excision dehumidifying load voltage, thus stop dehumidifying work.
(2) heating work process: detection judges with above-mentioned heating work process, when envrionment temperature is reduced to the first temperature threshold value 5 DEG C, control module 10 starts carrying out heating work in cabinet 15 by relay output load voltage to 220V, in working process, probe 121 sends the environment temperature temperature value detected to control module 10, when envrionment temperature is elevated to the 2nd temperature threshold value 10 DEG C, control module 10 judges excision heating load voltage, thus stops heating work.
The operational process of the cabinet dehydrating unit of the embodiment of the present invention is as follows:
1, sensor probe detects atmospheric moisture in cabinet, send this moisture signal to control module, this moisture signal is analyzed and is judged by control module, when this humidity value is higher than set(ting)value, this set(ting)value is arranged by amendment, CPU in control module sends the rly. that order starts control dehumidification module, exports 12V voltage to fan and cooling piece, starts the work that dehumidifies.
2, fan and cooling piece work simultaneously, the hot junction of cooling piece starts heating, cold junction starts heat absorption, wherein hot junction tightly contacts with scatterer, delivered heat is to copper pipe radiator, air flow is produced by fan, take heat out of housing, simultaneously, owing to 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 are in close contact, increase endotherm area, water vapour in air is condensed on cool guide sheet, accumulation is to after a certain amount of, lead in tank immediately below dropping onto, housing is discharged by aqueduct, and then discharge cabinet. fan, while taking away heat, also allows the air in cabinet pass through cool guide sheet with certain rate loop, it is to increase dehumidification rate.
3, when the temperature detected in cabinet is less than or equal to setting valve value, CPU sends the rly. that order starts control heating module, exports 220V voltage to heating module, heats in cabinet.
4, in dehumidifying or heating work process, sensor detection temperature-humidity signal is sent to CPU in real time, and when the humidity in environment is reduced to a certain set(ting)value or temperature is elevated to a certain set(ting)value, CPU is by judging respectively and gives an order, and excises corresponding rly..
In sum, the dehydrating unit tool of a kind of cabinet provided by the present invention has the following advantages:
One, for external environment decrease in temperature, heating module can improve the air themperature in cabinet, thus improves the temperature of the cool guide sheet of dehumidification module, eliminates the harm that frost and snow brings, is conducive to the operation of dehydrating unit; What adopt is silica gel heating sheet, and its volume is little, saves space.
Two, adopting split-type structural, dehumidification module and control module are independently detachable, and control module can be contained in cabinet or outside cabinet.
Three, adopting vertical structure, water leg is positioned at immediately below cool guide sheet, when water is directly collected by water leg after condensing, derives cabinet, and effect on moisture extraction is good.
Four, current mode humiture transducer and control module combine, and decrease the difficulty installed, and make real-time temperature-humidity signal value more accurate simultaneously.
Further embodiment of this invention describes a kind of cabinet supervisory system, and with reference to figure 7, this system comprises: dehydrating unit described above, measuring element PT100 and upper computer 14;
Measuring element PT100, is embedded in the cool guide sheet 2 of described dehydrating unit, runs the temperature of rear cool guide sheet 2 for detecting described dehydrating unit, and this temperature is transferred to the control module 10 of described dehydrating unit.
Dehydrating unit, for the information detected in cabinet 15, comprises the warm and humid angle value in the cabinet that humiture transducer detects or the temperature value of cool guide sheet that measuring element PT100 detects.
According to the signal received, if the temperature of cool guide sheet 2 is higher than the set temperature value in cabinet 15, then dehydrating unit breaks down; By this failure message by the wired communication of RS485 or GPRS wireless communication transmission to upper computer; Described upper computer 14, for receiving feedback information, arranges and revises described control module 10 inner parameter. Wherein, described set temperature value, relevant with the index of correlation of the envrionment temperature in current cabinet, cooling piece working time, cooling piece power and scatterer, when cabinet is when certain temperature, in a certain specified time, cooling piece power is more big, the heat radiation power of scatterer is more high, then set temperature value is more low; When ceteris paribus, envrionment temperature is more high within the specific limits, and above-mentioned set(ting)value is more high, and envrionment temperature is more low, and above-mentioned set(ting)value is more low. The monitoring information that upper computer receives, comprises stopping, dehumidifying, heating and failure message.
When comprising multiple cabinet in cabinet supervisory system, the corresponding dehydrating unit of each cabinet, is set as primary control box by the control enclosure of dehydrating unit corresponding for one of them cabinet, and the control enclosure of the dehydrating unit that other cabinets are corresponding is set as sub-control box.
Wherein, sub-control box, for the information of its place cabinet is transferred to described primary control box, when a failure occurs, sub-control box starts intelligent decision pattern, by the real time humiture value monitored before fault, judges whether dehumidifying load and heating load start or excise, and according to the time, start by set date and the excision that drop into.
Primary control box, for being transferred to upper computer by the information of its place cabinet and the information received. The cabinet number at the display unit display fault sub-control box place of primary control box, primary control box adopts RS485 wired communication that information is transferred to upper computer, or by GPRS cableless communication, information is transferred to upper computer and SMS notification maintenance personnel.
The embodiment of the present invention is by the control module of dehydrating unit and measuring element PT100, with the operation conditions of dehydrating unit in monitor in real time cabinet, timely feedback information, maintenance personnel is conducive to grasp the situation in cabinet at any time, safeguard in time, thus ensure that dehydrating unit normally runs, reach the effect of thoroughly dehumidifying.
Above-mentioned supervisory system also comprises infrared remote control module, for scene when not opening cabinet door, read and arrange the correlation parameter of the correlation parameter of control enclosure, such as humiture threshold value, cabinet address and calibration value etc. in cabinet, avoid the trouble opening cabinet and power failure in power department maintenance process, can hot line job, reduce hazard level.
The present invention is in an embodiment, it provides a kind of cabinet monitoring method, with reference to figure 8, the method comprises the steps:
Step 801: the temperature of cool guide sheet after detection dehumidifying, and the control module that this temperature is transferred in dehydrating unit;
Step 802: the information of detection 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 being, then refrigeration breaks down, and by failure message by the wired communication of RS485 or GPRS wireless communication transmission to upper computer;
Step 803: receiving feedback information, arranges and revises described control module inner parameter.
For when having multiple cabinet 15 in supervisory system, the corresponding dehydrating unit of each cabinet 15 in above-described embodiment, the control enclosure 11 of the dehydrating unit of one of them cabinet 15 correspondence is set as primary control box, and the control enclosure of the dehydrating unit that other cabinets are corresponding is set as sub-control box; The method comprises further:
The information of its place cabinet is transferred to described primary control box by sub-control box;
With the information received, the information of its place cabinet is transferred to primary control box upper computer or note is transferred to maintenance personnel.
Failure testing in the cabinet supervisory system of the embodiment of the present invention and the process of communicating:
(3) process fault detection: be provided with cooling piece in dehumidification module, it is 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 envrionment temperature, after dehumidifying work carries out, temperature value T2 that PT100 detects and the envrionment temperature T1 that sensor probe detects compares, if T2 not obviously decline, then shows dehumidifying load 5 fault.
When ambient moisture rises to starting valve value H1, control module output load voltage is to dehumidification module, carry out dehumidifying work, in working process, to a certain setting-up time, real-time wet angle value H2 and starting valve value H1 above are compared, if H1 H2 is less than a certain value (can arrange), also it is exactly that setting-up time humidity reduction amplitude is less than this value, so it is judged as dehumidifying fault.
(4) communication process: in above working process, control module is shown on the spot by display unit after receiving the sensor warm and humid angle value that detects of probe, and, the information such as the work running status of the also real-time warm and humid angle value of control module, dehumidifying or heating, failure message send upper computer to by RS485 communication modes or GPRS communication modes, and failure message comprises malfunction counter number, fault type and time of failure etc. Meanwhile, upper computer by above-mentioned communication modes, can to dehumidifier device, by software simulating to the setting of control module inner parameter and amendment.
In sum, cabinet supervisory system tool provided by the present invention has the following advantages:
One, fed back in time by control module, it is achieved that to the monitor in real time of cabinet and dehydrating unit, it is convenient to maintenance personnel and safeguards in time, greatly reduce the risk that fault handling causes not in time.
Two, adopt infrared remote control module that the correlation parameter of control enclosure is set, avoid the trouble opening cabinet and power failure in power department maintenance process, it is possible to 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 system and monitoring method is not particularly limited, and can realize the various dehydrating unit of function of the present invention or cabinet supervisory system all within the scope of the invention.
The present invention is not limited to the above mode; no matter in its shape, structure and performing step do any change, every technical scheme utilizing stochastic generation to the simulation clicking operation of described application program and monitoring the status information of described application program all drops within protection domain of the present invention.
The above is only the preferred embodiment of the present invention; it is noted that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also making 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, it is characterised in that, this device comprises control module, dehumidification module and heating module; Described dehumidification module and heating module are all located in cabinet;
Described control module, analyzes for carrying out to the received signal and judges, starts or excises described dehumidification module and described heating module, failure judgement type, timely feedback information;
Described control module is provided with aligning key, carries out error compensation for sensor signal circuit or other reasons caused; Dehumidification module, for offeing for sale external side by side by the hydrogenesis in air in cabinet, collection, comprises the housing of the cooling piece, radiating subassembly, water leg, aqueduct and the front and back perforate that manufacture cold junction;
Described radiating subassembly, comprises at the cool guide sheet of cold junction and the scatterer in hot junction, the heat insulating mattress between described cool guide sheet and described scatterer, and is fixed on the fan of inner walls side;
The import of described water leg is positioned at below described cool guide sheet, and outlet is connected with described aqueduct;
Described aqueduct extends to outside cabinet;
Described heating module, comprises well heater, for being heated by cabinet air.
2. dehydrating unit according to claim 1, it is characterised in that, described dehydrating unit also comprises upper computer, for receiving feedback information, arranges and revise described control module inner parameter.
3. dehydrating unit according to claim 1, it is characterised in that, described control module comprises: sensor and control enclosure;
Described sensor embeds in described control enclosure, for the temperature-humidity signal in the probe detection cabinet by being arranged in cabinet;
Described control enclosure, comprises signal analysis and Control circuit unit and display unit;
Described signal analysis and Control circuit unit, for setting the first humidity threshold in cabinet, the 2nd humidity threshold, the first temperature threshold value and the 2nd temperature threshold value;
Described first humidity threshold is greater than described 2nd humidity threshold;
Described first temperature threshold value is less than described 2nd temperature threshold value;
When the humidity in described cabinet is higher than described first humidity threshold, then start dehumidification module; When the humidity in described cabinet is lower than described 2nd humidity threshold, then excise dehumidification module;
Or when the temperature in described cabinet is lower than described first temperature threshold value, then start heating module; When the temperature in described cabinet is higher than described 2nd temperature threshold value, then excise heating module;
Display unit, receives described temperature-humidity signal, dehumidifying or heating information for display on a display screen.
4. dehydrating unit according to claim 1, it is characterised in that, described control module is positioned at outside cabinet or cabinet.
5. dehydrating unit according to claim 1, it is characterised in that, described cool guide sheet is pectination.
6. dehydrating unit according to the arbitrary item of Claims 1 to 5, it is characterised in that, described control module and dehumidification module are dismountable or overall.
7. a cabinet dehumanization method, it is characterised in that, the method comprises:
Carry out analyzing and judging to the received signal, start or excise dehumidification module and heating module, failure judgement type, timely feedback information;
Sensor signal circuit or other reasons caused carries out error compensation;
Hydrogenesis in air in cabinet, collection are offerd for sale external side by side;
Cabinet air is heated.
8. method according to claim 7, it is characterised in that, the method comprises further: receiving feedback information, arranges and change control inside modules parameter.
9. method according to claim 7, it is characterised in that, the moisture in cabinet is discharged concrete steps and comprises as follows:
The temperature-humidity signal in cabinet is detected by the probe being arranged in cabinet;
The first humidity threshold in cabinet, the 2nd humidity threshold, the first temperature threshold value and the 2nd temperature threshold value are set;
Described first humidity threshold is greater than described 2nd humidity threshold; Described first temperature threshold value is less than described 2nd temperature threshold value;
When the humidity in described cabinet is higher than described first humidity threshold, then start dehumidification module; When the humidity in described cabinet is lower than described 2nd humidity threshold, then excise dehumidification module;
When the temperature in described cabinet is lower than described first temperature threshold value, then start heating module; When the temperature in described cabinet is higher than described 2nd temperature threshold value, then excise heating module;
Display receives the information of described temperature-humidity signal, dehumidifying or heating on a display screen.
10. a cabinet supervisory system, it is characterised in that, comprise the claim 1��6 described dehydrating unit of arbitrary item, measuring element PT100;
Described measuring element PT100, is embedded in the cool guide sheet of described dehydrating unit, runs the temperature of rear cool guide sheet for detecting described dehydrating unit, and this temperature is transferred to the control module of described dehydrating unit;
Described dehydrating unit, for detecting the information of cabinet, according to the signal received, if the temperature of described cool guide sheet is higher than the set temperature value in described cabinet, then dehydrating unit breaks down; By this failure message by the wired communication of RS485 or GPRS wireless communication transmission to the upper computer being used for the described control module inner parameter of receiving feedback information, setting and amendment.
11. supervisory systems according to claim 10, it is characterized in that, when there being multiple cabinet in system, the corresponding dehydrating unit of each cabinet, the control enclosure of dehydrating unit corresponding for one of them cabinet is set as primary control box, and the control enclosure of the dehydrating unit that other cabinets are corresponding is set as sub-control box;
Described sub-control box, for being transferred to described primary control box by the information of its place cabinet;
Described primary control box, for being transferred to upper computer by the information of its place cabinet and the information that receives or note is transferred to maintenance personnel.
12. supervisory systems according to claim 10, it is characterised in that, this system also comprises infrared remote control module, for reading and arrange the correlation parameter of control enclosure.
13. 1 kinds of cabinet monitoring method, it is characterised in that, the method comprises the steps:
The temperature of cool guide sheet after detection dehumidifying, and the control module that this temperature is transferred in dehydrating unit;
The information of detection 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 being, then refrigeration breaks down, and by failure message by the wired communication of RS485 or GPRS wireless communication transmission to upper computer;
Receiving feedback information, arranges and revises described control module inner parameter.
14. monitoring method according to claim 13, it is characterized in that, for when having multiple cabinet in supervisory system, the corresponding dehydrating unit of each cabinet, the control enclosure of dehydrating unit corresponding for one of them cabinet is set as primary control box, and the control enclosure of the dehydrating unit that other cabinets are corresponding is set as sub-control box; The method comprises further:
The information of its place cabinet is transferred to described primary control box by sub-control box;
With the information received, the information of its place cabinet is transferred to primary control box upper computer or note is transferred to maintenance personnel.
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| CN201310364139.XA CN103441433B (en) | 2013-08-20 | 2013-08-20 | Cabinet dehydrating unit, method and cabinet supervisory system thereof and method |
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| CN201310364139.XA CN103441433B (en) | 2013-08-20 | 2013-08-20 | Cabinet dehydrating unit, method and cabinet supervisory system thereof and method |
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