CN116470425A - Novel intelligent dehumidification device in cabinet - Google Patents
Novel intelligent dehumidification device in cabinet Download PDFInfo
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- CN116470425A CN116470425A CN202310486028.XA CN202310486028A CN116470425A CN 116470425 A CN116470425 A CN 116470425A CN 202310486028 A CN202310486028 A CN 202310486028A CN 116470425 A CN116470425 A CN 116470425A
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 48
- 238000001035 drying Methods 0.000 claims abstract description 59
- 239000007789 gas Substances 0.000 claims description 296
- 230000004913 activation Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000003213 activating effect Effects 0.000 claims description 3
- 238000001599 direct drying Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a novel intelligent dehumidifying device in a cabinet, which comprises a dry gas output device, a switch cabinet, a dehumidifying control end and a screen cabinet, wherein the switch cabinet is connected with the dry gas output device, the dry gas output device is connected with the dehumidifying control end and comprises an intercommunication cable trench, a branch cable trench and a main cable trench, the intercommunication cable trench connects adjacent switch cabinets with each other, and the screen cabinet closest to the switch cabinet is connected with each other through the branch cable trench; the device comprises a drying gas output device, a switch cabinet, a dehumidification control end, a screen cabinet and an acquisition control unit, wherein the drying gas output device is used for outputting drying gas after dehumidification, the switch cabinet is used for introducing the drying gas generated by dehumidification, the dehumidification control end is used for uniformly distributing the drying gas generated by dehumidification, the screen cabinet is used for mutually intersecting the introduced gas with the whole switch cabinet, and the acquisition control unit is used for solving the problem of poor current practicability according to the current air humidity of each cabinet body.
Description
Technical Field
The invention belongs to the technical field of power equipment, and particularly relates to a novel intelligent dehumidifying device in a cabinet.
Background
The power equipment such as a switch cabinet, a bus bridge, a terminal box and the like is the most basic power equipment of a transformer substation, but with the increase of the operation years and the aggravation of the aging of part of group parts, the operation defects or hidden dangers are increasingly highlighted, and mainly the reasons of the humidity of the operation environment and the smaller air insulation distance are two-way. Therefore, the inside of the transformer substations has the environmental problems of high temperature and high humidity, unsmooth ventilation, dust accumulation, toxic gas accumulation and the like, brings potential safety hazards to long-term operation of electrical equipment, and also brings adverse challenges to stable and reliable operation of a power grid.
In order to solve the above-mentioned circumstances, most of the transformer substations currently mainly adopt ventilators to perform ventilation and dehumidification. Conventional ventilation and dehumidification systems are implemented by means of mechanical ventilation and air conditioning cooling. The mode has low ventilation and cooling efficiency and poor energy efficiency due to no comprehensive and effective organization of gas, cooling, dehumidification and the like, and a large number of environmental problems are derived: firstly, a large amount of outdoor air can bring dust and salt or acidic substances floating in the air into equipment rooms, and the dust and the salt or the acidic substances are attached to the surfaces of equipment or insulators to form dirt, so that the equipment can be corroded, a discharge channel can be formed, and safety accidents such as creepage, pollution flashover and the like are caused; in addition, under the condition of light load or sultry climate of equipment, a large amount of outdoor damp and hot air enters the indoor, especially underground power transformation and distribution room, condensation is easy to form on the surfaces of walls, equipment or insulators, and insulating faults such as discharge, flashover and the like can be caused, so that dehumidification measures are needed, and the energy consumption of the system is increased without any intention; finally, due to the additional noise caused by the large-air-volume fan, the problem of increasingly serious noise disturbing people is more frosting on snow.
It follows that the adverse environmental factors are important external factors for the failure of electrical equipment. The method is an important condition for influencing the service life of the electrical equipment, improves the operation environment of the electrical equipment, eliminates bad environmental factors to the maximum extent, and has important and positive significance for safe and reliable operation of the electrical equipment of the transformer substation.
Disclosure of Invention
The invention aims at solving the problems in the background technology by aiming at the novel intelligent dehumidifying device in the cabinet of the existing material collecting device.
In order to solve the technical problems, the invention provides the following technical scheme: the novel intelligent dehumidifying device in the cabinet comprises a dry gas output device, a switch cabinet, a dehumidifying control end and a screen cabinet, wherein the switch cabinet is connected with the dry gas output device, the dry gas output device is connected with the dehumidifying control end, the dry gas output device comprises an intercommunication cable trench, a branch cable trench and a main cable trench, the intercommunication cable trench connects adjacent switch cabinets with each other, and the screen cabinet closest to the switch cabinet is connected with each other through the branch cable trench;
the drying gas output device is used for outputting drying gas after dehumidification, the switch cabinet is used for introducing the drying gas generated by the dehumidification, the dehumidification control end is used for uniformly distributing the drying gas generated by the dehumidification, the intercommunication cable ditches are used for enabling the drying gas to circulate among the switch cabinets, the branch cable ditches are used for splitting the drying gas and then sending the drying gas to each cabinet body for final drying, the main cable ditches are used for sending the drying gas to each cabinet body in a transmission mode for direct drying, and the screen cabinets are used for mutually intersecting the introduced gas with the whole switch cabinet.
The invention further discloses that the dry gas output device comprises an acquisition control unit, a gas valve, an intercommunication output control module, an intercommunication output activation module, a high-purity gas additional inlet module and a dry gas distribution module, wherein the intercommunication output activation module and the high-purity gas additional inlet module are respectively connected with the intercommunication output control module, and the high-purity gas additional inlet module is connected with the dry gas distribution module;
the collection control unit is used for counting the dry gas demand quantity uploaded by each switch cabinet according to the current air humidity of each cabinet body, the higher the humidity is, the larger the demand quantity is, the gas valve is used for controlling the transmission output of dry gas after dehumidification, the intercommunication output control module is used for controlling the dry gas output after dehumidification of dry gas output on an intercommunication cable duct, the intercommunication output activation module is used for activating the dry gas output, the high-purity gas additional inlet module is used for carrying out high-purity gas additional inlet on the just-out dry gas, the high-purity gas is assisted to be introduced into each cabinet body when required, and the dry gas distribution module is used for distributing the dry gas output working mode according to the dry gas demand quantity of each main cable duct.
The invention further describes that the cooperative regulation method of the system comprises the following specific steps:
s0, placing each switch cabinet, and constructing connection relations of an intercommunication cable trench, a branch cable trench and a main cable trench of the dry gas output device between the dehumidification control end and the switch cabinet;
s1, starting a gas valve to start a main cable trench, additionally introducing a high-purity gas part of the dry gas subjected to dehumidification by using a high-purity gas additional introduction module, and carrying out real-time statistics on the dry gas demand by using an acquisition control unit, wherein the intercommunication output control module is in a dormant state;
s2, when the situation that the dry gas of a certain switch cabinet exceeds the specified demand occurs during statistics, starting an intercommunication output control module, intercepting the dry gas which is originally sent to each cabinet body by a main cable trench, and redistributing and communicating the dry gas among the switch cabinets;
s3, when the statistics of the dry gas of all the switch cabinets exceeds the condition of the specified demand, temporarily using the dry gas with more demand to the standby bag, and preferentially treating the dry gas with less demand;
s4, conveying the dry gas exceeding the specified demand to other switch cabinets which are not distributed and communicated, distributing the dry gas communication work according to the respective communication demand, enabling the main cable ditches to cooperatively output, conveying the dry gas to the screen cabinet, distributing the dry gas by the screen cabinet, and sending the dry gas to each cabinet body end.
The invention further describes that in the step S4, the distribution method of the dry gas output operation is that,
s4-1, when the intercommunication cable trench of the switch cabinet does not work, namely when the dry gas sent by other switch cabinets does not appear in statistics, the intercommunication cable trench can completely receive the intercommunication work of other dry gases;
s4-2, when the intercommunication cable trench of the switch cabinet starts working, namely when the dry gas sent by other switch cabinets starts to appear in statistics, the proportion of the dry gas output working of the switch cabinet for receiving other main cable trenches is reduced, and the concrete distribution mode is that the dry gas demand for receiving redundant dry gas in real time is reduced in proportion to the demand of the switch cabinet in drying until the demand reaches the specified demand, and the residual dry gas demand is zero.
The invention further describes that in the step S4, a specific distribution formula of the dry gas output operation is as follows:
wherein A is the dry gas demand of the switch cabinet for receiving dry gas of other main cable ditches in real time, A is 0 For the upper limit of the dry gas demand of the switch cabinet, A 1 The dry gas demand s uploaded for the switchgear 0 To define the required amount d 1 To receive the dry gas demand of other switch cabinets in real time.
The invention further discloses a high-purity gas additional-inlet module, which comprises a high-purity gas release frequency counting module, a high-purity gas quantity counting module, an excessive additional-inlet stationarity module and a high-purity gas distribution module, wherein the high-purity gas release frequency counting module is connected with the high-purity gas quantity counting module and the excessive additional-inlet stationarity module, and the acquisition control unit is connected with the high-purity gas release frequency counting module;
the high-purity gas release frequency statistics module is used for counting the release frequency of the high-purity gas of the dry gas, the high-purity gas quantity statistics module is used for counting the demand quantity of the high-purity gas of each switch cabinet, the redundant additional inlet determination module is used for judging whether the current additional inlet quantity of the high-purity gas is redundant or not, and the high-purity gas distribution module is used for distributing the volume and the demand quantity of the high-purity gas of the dry gas corresponding to each switch cabinet.
The invention further describes a specific method for calculating the optimal solution of the volume of the high-purity gas of the dry gas of the intercommunication output control module by the high-purity gas additional feeding module, which comprises the following steps:
s5, total supply quantity W of the dehumidification control end of the system is dried, q units of dry gas are needed in total on all switch cabinets of the system, and total requirement of all high-purity gas is thatWhen->When the drying gas is in redundant demand, the switch cabinets with small demand amount are ensured to receive the gas of the dehumidification control end to maintain the drying work of each cabinet body, then the residual drying gas is distributed, and the high-purity gas is additionally introduced after the intercommunicated drying gas is dried, so that the high-purity gas at each cabinet body end is supplied when->At this time, the dry gas is just sufficient, whenAt this time, the drying gas can completely dry each cabinet.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the air humidity of each switch cabinet is collected, and a proper amount of drying gas is introduced, so that the drying effect of the equipment is not damaged, the required quantity of the drying gas of each switch cabinet is obtained, then the introduction mode of the drying gas is adjusted according to the required quantity, the drying gas is introduced in two ways, the direct introduction efficiency is high, the gas communication between the switch cabinets can be promoted by the intercommunication method, the gas can be naturally dried and mutually circulated, the required quantity of the drying gas is saved, and the energy conservation and the environment protection are realized.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the principle of use of the present invention.
Detailed Description
The technical scheme of the present invention is further described in non-limiting detail below with reference to the preferred embodiments and the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other examples, based on the examples of the present invention, which a person of ordinary skill in the art could obtain without making any inventive effort, are within the scope of the high purity of the present invention.
Referring to fig. 1-2, the present invention provides the following technical solutions: the novel intelligent dehumidifying device in the cabinet comprises a dry gas output device, a switch cabinet, a dehumidifying control end and a screen cabinet, wherein the switch cabinet is connected with the dry gas output device, the dry gas output device is connected with the dehumidifying control end, the dry gas output device comprises an intercommunication cable trench, a branch cable trench and a main cable trench, the intercommunication cable trench connects adjacent switch cabinets with each other, and the screen cabinet closest to the switch cabinet is connected with each other through the branch cable trench;
the drying gas output device is used for outputting drying gas after dehumidification, the switch cabinet is used for introducing the drying gas generated by the dehumidification, the dehumidification control end is used for uniformly distributing the drying gas generated by the dehumidification, the intercommunicating cable channels are used for enabling the drying gas to circulate among the switch cabinets, the branch cable channels are used for splitting the drying gas and then sending the drying gas to each cabinet body for final drying, the main cable channels are used for sending the drying gas to each cabinet body in a transmission mode for direct drying, and the screen cabinets are used for mutually intersecting the introduced gas with the whole switch cabinet;
the dry gas output device comprises an acquisition control unit, a gas valve, an intercommunication output control module, an intercommunication output activation module, a high-purity gas additional inlet module and a dry gas distribution module, wherein the intercommunication output activation module and the high-purity gas additional inlet module are respectively connected with the intercommunication output control module, and the high-purity gas additional inlet module is connected with the dry gas distribution module;
the system comprises an acquisition control unit, an intercommunicating output control module, an intercommunicating output activation module, a high-purity gas additional inlet module and a dry gas distribution module, wherein the acquisition control unit is used for counting the dry gas demand of each switch cabinet according to the current air humidity of each cabinet, the higher the humidity is, the larger the demand is, the gas valve is used for controlling the transmission output of dry gas after dehumidification, the intercommunicating output control module is used for controlling the dry gas output of the dry gas on an intercommunicating cable duct after dehumidification, the intercommunicating output activation module is used for activating the dry gas output, the high-purity gas additional inlet module is used for carrying out high-purity gas additional inlet on the just-discharged dry gas, the high-purity gas is assisted when needed by each cabinet, and the dry gas distribution module is used for distributing the dry gas output working mode according to the dry gas demand of each main cable duct;
the cooperative regulation method of the system comprises the following specific steps:
s0, placing each switch cabinet, and constructing connection relations of an intercommunication cable trench, a branch cable trench and a main cable trench of the dry gas output device between the dehumidification control end and the switch cabinet;
s1, starting a gas valve to start a main cable trench, additionally introducing a high-purity gas part of the dry gas subjected to dehumidification by using a high-purity gas additional introduction module, and carrying out real-time statistics on the dry gas demand by using an acquisition control unit, wherein the intercommunication output control module is in a dormant state;
s2, when the situation that the dry gas of a certain switch cabinet exceeds the specified demand occurs during statistics, starting an intercommunication output control module, intercepting the dry gas which is originally sent to each cabinet body by a main cable trench, and redistributing and communicating the dry gas among the switch cabinets;
s3, when the statistics of the dry gas of all the switch cabinets exceeds the condition of the specified demand, temporarily using the dry gas with more demand to the standby bag, and preferentially treating the dry gas with less demand;
s4, conveying the dry gas exceeding the specified demand to other switch cabinets which are not distributed and communicated, distributing the dry gas communication work according to the respective communication demand, enabling a plurality of main cable ditches to cooperatively output, conveying the dry gas to a screen cabinet, distributing the dry gas by the screen cabinet and sending the dry gas to each cabinet body end;
in the step S4, the dry gas output operation is distributed by,
s4-1, when the intercommunication cable trench of the switch cabinet does not work, namely when the dry gas sent by other switch cabinets does not appear in statistics, the intercommunication cable trench can completely receive the intercommunication work of other dry gases;
s4-2, when the intercommunication cable ditches of the switch cabinet start to work, namely when dry gas sent by other switch cabinets starts to appear in statistics, the proportion of dry gas output work of the other main cable ditches is reduced, and the concrete distribution mode is that the dry gas demand for receiving redundant dry gas in real time is reduced in proportion to the demand of the switch cabinet in drying until the demand reaches the specified demand, and the residual dry gas demand is zero;
in the step S4, a specific distribution formula of the dry gas output operation is as follows:
wherein A is the dry gas demand of the switch cabinet for receiving dry gas of other main cable ditches in real time, A is 0 For the upper limit of the dry gas demand of the switch cabinet, A 1 The dry gas demand s uploaded for the switchgear 0 To set the required amount s 1 The drying gas demand quantity for receiving the drying gas of other switch cabinets in real time;
the high-purity gas additional introducing module comprises a high-purity gas releasing frequency counting module, a high-purity gas quantity counting module, an excessive additional introducing stationarity module and a high-purity gas distributing module, wherein the high-purity gas releasing frequency counting module is connected with the high-purity gas quantity counting module and the excessive additional introducing stationarity module, and the acquisition control unit is connected with the high-purity gas releasing frequency counting module;
the high purity gas release frequency statistics module is used for counting release frequency of high purity gas of the dry gas, the high purity gas quantity statistics module is used for counting demand quantity of high purity gas of each switch cabinet, the redundant additional inlet sizing module is used for judging whether the current additional inlet quantity of the high purity gas is redundant, and the high purity gas distribution module is used for distributing volume and demand quantity of the high purity gas of the dry gas corresponding to each switch cabinet;
the method for calculating the optimal solution of the volume of the high-purity gas of the dry gas of the intercommunication output control module by the high-purity gas additional feeding module comprises the following steps:
s5, total supply quantity W of the dehumidification control end of the system is dried, q units of dry gas are needed in total on all switch cabinets of the system, and total requirement of all high-purity gas is thatWhen->When the drying gas is in redundant demand, the switch cabinets with small demand amount are ensured to receive the gas of the dehumidification control end to maintain the drying work of each cabinet body, then the residual drying gas is distributed, and the high-purity gas is additionally introduced after the intercommunicated drying gas is dried, so that the high-purity gas at each cabinet body end is supplied when->At this time, the dry gas is just sufficient, whenAt this time, the drying gas can completely dry each cabinet body;
in the step S5, the additional inlet ratio of the high purity gas to the high purity gas distribution module dry gas is:
wherein j is the output volume of the dry gas on all main cable ditches, which is determined according to the requirements of each cabinet body,for the total demand of directly introduced dry gas, < >>Is the total requirement of the drying gas which is mutually introduced.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Finally, it should be pointed out that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting. Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The novel intelligent dehumidifying device in the cabinet comprises a dry gas output device, a switch cabinet, a dehumidifying control end and a screen cabinet, wherein the switch cabinet is connected with the dry gas output device, the dry gas output device is connected with the dehumidifying control end, the dry gas output device comprises an intercommunication cable trench, a branch cable trench and a main cable trench, the intercommunication cable trench connects adjacent switch cabinets with each other, and the screen cabinet closest to the switch cabinet is connected with each other through the branch cable trench;
the drying gas output device is used for outputting drying gas after dehumidification, the switch cabinet is used for introducing the drying gas generated by the dehumidification, the dehumidification control end is used for uniformly distributing the drying gas generated by the dehumidification, the intercommunication cable ditches are used for enabling the drying gas to circulate among the switch cabinets, the branch cable ditches are used for splitting the drying gas and then sending the drying gas to each cabinet body for final drying, the main cable ditches are used for sending the drying gas to each cabinet body in a transmission mode for direct drying, and the screen cabinets are used for mutually intersecting the introduced gas with the whole switch cabinet.
2. The novel intelligent dehumidification device in a cabinet according to claim 1, wherein: the dry gas output device comprises an acquisition control unit, a gas valve, an intercommunication output control module, an intercommunication output activation module, a high-purity gas additional inlet module and a dry gas distribution module, wherein the intercommunication output activation module and the high-purity gas additional inlet module are respectively connected with the intercommunication output control module, and the high-purity gas additional inlet module is connected with the dry gas distribution module;
the collection control unit is used for counting the dry gas demand quantity uploaded by each switch cabinet according to the current air humidity of each cabinet body, the higher the humidity is, the larger the demand quantity is, the gas valve is used for controlling the transmission output of dry gas after dehumidification, the intercommunication output control module is used for controlling the dry gas output after dehumidification of dry gas output on an intercommunication cable duct, the intercommunication output activation module is used for activating the dry gas output, the high-purity gas additional inlet module is used for carrying out high-purity gas additional inlet on the just-out dry gas, the high-purity gas is assisted to be introduced into each cabinet body when required, and the dry gas distribution module is used for distributing the dry gas output working mode according to the dry gas demand quantity of each main cable duct.
3. The novel intelligent dehumidification device in a cabinet according to claim 2, wherein: the cooperative regulation method of the system comprises the following specific steps:
s0, placing each switch cabinet, and constructing connection relations of an intercommunication cable trench, a branch cable trench and a main cable trench of the dry gas output device between the dehumidification control end and the switch cabinet;
s1, starting a gas valve to start a main cable trench, additionally introducing a high-purity gas part of the dry gas subjected to dehumidification by using a high-purity gas additional introduction module, and carrying out real-time statistics on the dry gas demand by using an acquisition control unit, wherein the intercommunication output control module is in a dormant state;
s2, when the situation that the dry gas of a certain switch cabinet exceeds the specified demand occurs during statistics, starting an intercommunication output control module, intercepting the dry gas which is originally sent to each cabinet body by a main cable trench, and redistributing and communicating the dry gas among the switch cabinets;
s3, when the statistics of the dry gas of all the switch cabinets exceeds the condition of the specified demand, temporarily using the dry gas with more demand to the standby bag, and preferentially treating the dry gas with less demand;
s4, conveying the dry gas exceeding the specified demand to other switch cabinets which are not distributed and communicated, distributing the dry gas communication work according to the respective communication demand, enabling the main cable ditches to cooperatively output, conveying the dry gas to the screen cabinet, distributing the dry gas by the screen cabinet, and sending the dry gas to each cabinet body end.
4. A novel intelligent dehumidification device in a cabinet according to claim 3, wherein: in the step S4, the dry gas output operation is distributed by,
s4-1, when the intercommunication cable trench of the switch cabinet does not work, namely when the dry gas sent by other switch cabinets does not appear in statistics, the intercommunication cable trench can completely receive the intercommunication work of other dry gases;
s4-2, when the intercommunication cable trench of the switch cabinet starts working, namely when the dry gas sent by other switch cabinets starts to appear in statistics, the proportion of the dry gas output working of the switch cabinet for receiving other main cable trenches is reduced, and the concrete distribution mode is that the dry gas demand for receiving redundant dry gas in real time is reduced in proportion to the demand of the switch cabinet in drying until the demand reaches the specified demand, and the residual dry gas demand is zero.
5. The novel intelligent dehumidification device in a cabinet of claim 4, wherein: in the step S4, a specific distribution formula of the dry gas output operation is as follows:
wherein A is the dry gas demand of the switch cabinet for receiving dry gas of other main cable ditches in real time, A is 0 For the upper limit of the dry gas demand of the switch cabinet, A 1 The dry gas demand s uploaded for the switchgear 0 To set the required amount s 1 To receive the dry gas demand of other switch cabinets in real time.
6. The novel intelligent dehumidification device in a cabinet of claim 5, wherein: the high-purity gas additional introducing module comprises a high-purity gas releasing frequency counting module, a high-purity gas quantity counting module, an excessive additional introducing stationarity module and a high-purity gas distributing module, wherein the high-purity gas releasing frequency counting module is connected with the high-purity gas quantity counting module and the excessive additional introducing stationarity module, and the acquisition control unit is connected with the high-purity gas releasing frequency counting module;
the high-purity gas release frequency statistics module is used for counting the release frequency of the high-purity gas of the dry gas, the high-purity gas quantity statistics module is used for counting the demand quantity of the high-purity gas of each switch cabinet, the redundant additional inlet determination module is used for judging whether the current additional inlet quantity of the high-purity gas is redundant or not, and the high-purity gas distribution module is used for distributing the volume and the demand quantity of the high-purity gas of the dry gas corresponding to each switch cabinet.
7. The novel intelligent dehumidification device in a cabinet of claim 6, wherein: the method for calculating the optimal solution of the volume of the high-purity gas of the dry gas of the intercommunication output control module by the high-purity gas additional feeding module comprises the following steps:
s5, total supply quantity W of the dehumidification control end of the system is dried, q units of dry gas are needed in total on all switch cabinets of the system, and total requirement of all high-purity gas is that
8. The novel intelligent dehumidification device in a cabinet of claim 7, wherein: in particular whenWhen the drying gas is in redundant demand, the switch cabinets with small demand amount are ensured to receive the gas of the dehumidification control end to maintain the drying work of each cabinet body, then the residual drying gas is distributed, and the high-purity gas is additionally introduced after the intercommunicated drying gas is dried, so that the high-purity gas at each cabinet body end is supplied when->At this time, the dry gas is just sufficient, when +.>At this time, the drying gas can completely dry each cabinet.
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3328784A1 (en) * | 1983-08-10 | 1985-02-28 | Brown, Boveri & Cie Ag, 6800 Mannheim | Low-voltage or medium-voltage switching and distribution system which is protected against contamination by dust and adverse influences from high air humidity, and a method for achieving the desired protection |
| KR200187262Y1 (en) * | 2000-01-14 | 2000-07-01 | 권명하 | A shoes hygiene cabinet |
| CN102083286A (en) * | 2011-01-25 | 2011-06-01 | 广州汇安科技有限公司 | Energy-saving safe intelligent combined type accurate constant temperature and humidity cabinet |
| CN103227423A (en) * | 2013-03-22 | 2013-07-31 | 江苏省电力公司泰州供电公司 | Dehumidification system of high voltage switch cabinet |
| CN108767711A (en) * | 2018-07-26 | 2018-11-06 | 广东电网有限责任公司 | Dehumidification device |
| CN208589669U (en) * | 2018-08-29 | 2019-03-08 | 六安明都电力咨询设计有限公司 | Have the switch gear room of dehumidification function and the control system for switch gear room |
| CN109713595A (en) * | 2018-11-28 | 2019-05-03 | 贵州电网有限责任公司 | Switchgear inner-outer circulation control device and its control method in a kind of substation |
| CN209421536U (en) * | 2018-07-23 | 2019-09-24 | 南京维塔文化遗产保护技术有限公司 | A kind of antibacterial cabinet of constant humidity |
| CN210897997U (en) * | 2019-11-05 | 2020-06-30 | 国网福建省电力有限公司泉州供电公司 | Automatic dehumidification system of cubical switchboard |
| CN211557818U (en) * | 2019-12-31 | 2020-09-22 | 吉林市成屹电力技术服务有限公司 | Fresh air dust removal system capable of accurately controlling temperature and humidity |
| CN212088945U (en) * | 2019-11-20 | 2020-12-08 | 南京维塔文化遗产保护技术有限公司 | Constant humidity unit based on air distribution mode |
| CN112117665A (en) * | 2020-08-31 | 2020-12-22 | 国网安徽省电力有限公司六安供电公司 | Dehumidification control method and system for matching switch cabinet group |
| CN114527815A (en) * | 2022-02-25 | 2022-05-24 | 埃尔微环境智能科技(昆山)有限公司 | Control host capable of counting total gas consumption for humidity control or oxygen control cabinet |
-
2023
- 2023-05-04 CN CN202310486028.XA patent/CN116470425A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3328784A1 (en) * | 1983-08-10 | 1985-02-28 | Brown, Boveri & Cie Ag, 6800 Mannheim | Low-voltage or medium-voltage switching and distribution system which is protected against contamination by dust and adverse influences from high air humidity, and a method for achieving the desired protection |
| KR200187262Y1 (en) * | 2000-01-14 | 2000-07-01 | 권명하 | A shoes hygiene cabinet |
| CN102083286A (en) * | 2011-01-25 | 2011-06-01 | 广州汇安科技有限公司 | Energy-saving safe intelligent combined type accurate constant temperature and humidity cabinet |
| CN103227423A (en) * | 2013-03-22 | 2013-07-31 | 江苏省电力公司泰州供电公司 | Dehumidification system of high voltage switch cabinet |
| CN209421536U (en) * | 2018-07-23 | 2019-09-24 | 南京维塔文化遗产保护技术有限公司 | A kind of antibacterial cabinet of constant humidity |
| CN108767711A (en) * | 2018-07-26 | 2018-11-06 | 广东电网有限责任公司 | Dehumidification device |
| CN208589669U (en) * | 2018-08-29 | 2019-03-08 | 六安明都电力咨询设计有限公司 | Have the switch gear room of dehumidification function and the control system for switch gear room |
| CN109713595A (en) * | 2018-11-28 | 2019-05-03 | 贵州电网有限责任公司 | Switchgear inner-outer circulation control device and its control method in a kind of substation |
| CN210897997U (en) * | 2019-11-05 | 2020-06-30 | 国网福建省电力有限公司泉州供电公司 | Automatic dehumidification system of cubical switchboard |
| CN212088945U (en) * | 2019-11-20 | 2020-12-08 | 南京维塔文化遗产保护技术有限公司 | Constant humidity unit based on air distribution mode |
| CN211557818U (en) * | 2019-12-31 | 2020-09-22 | 吉林市成屹电力技术服务有限公司 | Fresh air dust removal system capable of accurately controlling temperature and humidity |
| CN112117665A (en) * | 2020-08-31 | 2020-12-22 | 国网安徽省电力有限公司六安供电公司 | Dehumidification control method and system for matching switch cabinet group |
| CN114527815A (en) * | 2022-02-25 | 2022-05-24 | 埃尔微环境智能科技(昆山)有限公司 | Control host capable of counting total gas consumption for humidity control or oxygen control cabinet |
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