CN214100292U - Moisture-proof and condensation-proof switch cabinet - Google Patents

Moisture-proof and condensation-proof switch cabinet Download PDF

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Publication number
CN214100292U
CN214100292U CN202022205897.5U CN202022205897U CN214100292U CN 214100292 U CN214100292 U CN 214100292U CN 202022205897 U CN202022205897 U CN 202022205897U CN 214100292 U CN214100292 U CN 214100292U
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China
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cabinet
condensation
moisture
switch cabinet
air
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CN202022205897.5U
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Chinese (zh)
Inventor
魏伟明
朱玛
刘学
沈达
劳凯峰
章文涛
潘利江
徐程刚
王浩钦
吕小意
张志远
李然
范航
叶烂
张警
杨朗玛
徐伟江
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Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Abstract

The utility model discloses a dampproofing condensation prevention's cubical switchboard, the inside of cubical switchboard is equipped with monitoring host, in-cabinet monitoring module and air supply arrangement, and the outside of cubical switchboard is equipped with the outside-cabinet monitoring module, air outlet department of air supply arrangement is equipped with the dehumidifier, the exit of dehumidifier is equipped with the rising temperature device, in-cabinet monitoring module and outside-cabinet monitoring module include temperature sensor and humidity transducer respectively; the monitoring system is characterized in that the in-cabinet monitoring module and the out-cabinet monitoring module are respectively in communication connection with the monitoring host, the air supply device, the dehumidifier and the warming device are respectively in communication connection with the monitoring host, a drying box with a moisture absorption function is further arranged in the switch cabinet, the drying box is provided with an electric control box cover, and the electric control box cover is electrically connected to the monitoring host and is controlled to be opened or closed by the monitoring host. The utility model discloses a technical scheme be fit for being used for cubical switchboard technical field, compare in prior art and ensured can resume the function of preventing the condensation when preventing that the local fault appears in condensation equipment.

Description

Moisture-proof and condensation-proof switch cabinet
Technical Field
The utility model relates to a cubical switchboard technical field, concretely relates to cubical switchboard of condensation is prevented in dampproofing.
Background
The switch cabinet plays an important role in the operation of a power grid as electric energy distribution equipment, and the insulation capacity of the switch cabinet is an important factor for whether the switch cabinet can safely and stably operate. Besides being directly determined by the design, material and quality factors of the switch cabinet, the insulation capability of the switch cabinet is reduced due to the factors such as temperature, humidity and condensation phenomenon of the operating environment in the cabinet, and finally the breakdown is gradually developed to cause accidents. The traditional condensation removing method of the switch cabinet adopts a heater to continuously heat, so that the temperature in the cabinet is increased, and the generation of condensation is inhibited. However, the long-term high temperature will cause the elements in the switch cabinet to age, which affects the service life of the elements. Therefore, it is important to intelligently maintain the temperature and humidity of the switch cabinet within a stable range.
The prior Chinese utility model patent CN206877168U discloses an anti-condensation ring main unit, which comprises an intelligent isolation and moisture-proof processing cavity, wherein one side of the intelligent isolation and moisture-proof processing cavity is provided with an air inlet, and the other side is provided with a pressure relief window; the air inlet is connected with an environment adjusting device, and the pressure relief window is provided with a pressure relief valve. This technical scheme prevents through setting up intelligence isolation and dampproofing treatment chamber that aqueous vapor in the cable pit gets into the looped netowrk cabinet through the shutoff gap, can reduce the interior air humidity of looped netowrk cabinet, but in case environment regulation apparatus or blast apparatus break down, just can't ensure that the equipment in the looped netowrk cabinet can not suffer the damage of condensation phenomenon.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a cubical switchboard of condensation is prevented in protection against tide is provided, compare in prior art and ensured that the function of preventing the condensation can resume when preventing that the local fault of condensation equipment appears.
In order to solve the technical problem, the utility model adopts the following technical scheme: a moisture-proof and anti-condensation switch cabinet is characterized in that a monitoring host, an in-cabinet monitoring module and an air supply device are arranged inside the switch cabinet, an out-cabinet monitoring module is arranged outside the switch cabinet, a dehumidifier is arranged at an air outlet of the air supply device, a temperature rising device is arranged at an outlet of the dehumidifier, and the in-cabinet monitoring module and the out-cabinet monitoring module respectively comprise a temperature sensor and a humidity sensor; the monitoring system comprises a monitoring host, an air supply device, a dehumidifier, a heating device, a switch cabinet and an electric control box, wherein the monitoring host is connected with the monitoring host in a communication mode, the air supply device, the dehumidifier and the heating device are connected with the monitoring host in a communication mode respectively, the operation of the air supply device and the heating device is adjusted according to the temperature and humidity conditions in the cabinet, the switch cabinet is further internally provided with the drying box with a moisture absorption function, the drying box is provided with the electric control box cover, and the electric control box cover is electrically connected to the monitoring host and is controlled to be opened or closed by the monitoring host.
The technical scheme of the utility model in the cabinet with the cabinet outside respectively set up in the cabinet monitoring module and the outer detection module of cabinet to realize the control function of main monitoring computer to air supply arrangement and rising temperature device, this technical scheme need not too much human intervention and can realize the humiture in the regulating switch cabinet, make the humiture value all be in more stable within range, can slow down the interior equipment of cubical switchboard effectively and age and insulating level reduction because of air humidity and condensation phenomenon in the cabinet, reduce the emergence of electric power accident, improve regional electric power system's stability. Compared with the prior art, the produced extra effect of this technical scheme is when arbitrary equipment such as air supply arrangement, dehumidifier and rising temperature device local fault appears, leads to humidity or high temperature in the cubical switchboard, and automatically controlled lid on the drying box can be controlled to open immediately to moisture absorption material in the drying box continues to absorb the hydrone in the cabinet air, keeps comparatively dry air circumstance.
As the utility model relates to a further improvement of cubical switchboard of condensation is prevented in dampproofing, the cubical switchboard upper end is equipped with the air pressure regulating valve of adjustable atmospheric pressure value size, air pressure regulating valve with the monitoring host communication is connected.
As the utility model relates to a further improvement of cubical switchboard of condensation is prevented in dampproofing, monitoring module and the outer monitoring module of cabinet still include baroceptor respectively in the cabinet, the main control system passes through baroceptor and acquires the inside and outside atmospheric pressure value of cabinet, as the foundation of the inside atmospheric pressure of atmospheric pressure regulating valve control cubical switchboard.
As the utility model relates to a further improvement of cubical switchboard of condensation is prevented in dampproofing, still be equipped with temperature and humidity alarm device in the cubical switchboard, realize automatic alarm when the air is too wet or overheated.
As the utility model relates to a further improvement of cubical switchboard of condensation is prevented in dampproofing, the cubical switchboard is inside still to be equipped with NB-lot module, and with the main control system communication is connected, realizes carrying out information exchange with terminal communication equipment, gives the user with information transmission such as temperature, humidity, atmospheric pressure value and warning.
As the utility model relates to a further improvement of cubical switchboard of condensation is prevented in dampproofing, still be equipped with the guide plate that is used for guiding the air flow in the cubical switchboard, the guide plate encloses the both sides of equipment in the cabinet to ensure that the equipment homoenergetic in the cabinet is brushed by dry air, and guide the air flow direction in the cubical switchboard.
As a further improvement of the switch cabinet of condensation is prevented in dampproofing, the export of rising temperature device passes through the pipe and extends two at least equipartitions in the gas outlet of switch cabinet bottom, makes the equipment homoenergetic of each position in the cabinet brushed by dry air.
As the utility model relates to a switch cabinet's of condensation is prevented in dampproofing further improvement, the switch cabinet includes the primary entrance hole and the secondary entrance hole of lower limit, primary entrance hole and secondary entrance hole all carry out the shutoff with the shutoff thing.
As the utility model relates to a switch cabinet's of condensation is prevented in dampproofing preferred scheme, the shutoff thing is fire prevention mud and foam rubber.
As the utility model relates to a cubical switchboard of condensation is prevented in dampproofing further improvement, the cubical switchboard sets up on the cable pit that is covered with the trench cover, be equipped with the bleeder vent on the trench cover, the bleeder vent sets up outside the area of coveing of cubical switchboard, so can guarantee that the aqueous vapor that most emits out from the cable pit wafts away through the outside of cubical switchboard, can show and reduce in the aqueous vapor gets into the cubical switchboard.
The utility model discloses a specific technical scheme and the beneficial effect that brings will give detailed disclosure in the following embodiment in combination with the accompanying drawings.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments:
fig. 1 is a schematic view of a moisture-proof and condensation-proof switch cabinet of the present invention;
fig. 2 is a module connection control diagram of the switch cabinet of the utility model for preventing moisture and condensation.
Description of reference numerals: 1. a switch cabinet; 11. monitoring the host; 111. an NB-lot module; 12A, an outside cabinet monitoring module; 12B, an in-cabinet monitoring module; 13. a temperature and humidity alarm device; 14. an air supply device; 15. a dehumidifier; 16. a temperature raising device; 17. a stopper; 18. drying the box; 19. a baffle; 2. an air pressure regulating valve; 3. a trench cover plate; 4. and (4) a cable trench.
Detailed Description
It was experimentally confirmed that the skilled person could suppress the generation of condensation by the following method:
(1) the cable trench cover plate is partially punched or replaced by a hollow cable cover plate;
(2) plugging a primary incoming line and a secondary incoming line of the switch cabinet;
(3) controlling the switching function of the heater by using an intelligent microenvironment controller;
(4) the air flow in the switch cabinet is enhanced, so that the air in the switch cabinet can interact with the air outside the switch cabinet.
Through the above confirmation conclusion, the following technical solutions are given, and the technical solutions of the embodiments of the present invention are explained and illustrated with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Words such as "upper," "lower," "inner," "outer," "top," "bottom," and the like, which indicate orientation or positional relationships, are based only on the orientation or positional relationships shown in the drawings and are merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device/element referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be construed as limiting the invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The embodiment of the utility model provides a cubical switchboard of dampproofing condensation of preventing that describes, as shown in fig. 1 and fig. 2, be equipped with monitoring host 11, in-cabinet monitoring module 12B and air supply arrangement 14 in the cubical switchboard 1, cubical switchboard 1 is equipped with the outside-cabinet monitoring module 12A outward, air outlet 17 department of air supply arrangement 14 is equipped with dehumidifier 15, the exit of dehumidifier 15 is equipped with rising temperature equipment 16, in-cabinet monitoring module 12B and the outside-cabinet monitoring module 12A include temperature sensor and humidity transducer respectively; the in-cabinet monitoring module 12B and the out-cabinet monitoring module 12A are respectively in communication connection with the monitoring host 11, and the air supply device 14, the dehumidifier 15 and the temperature raising device 16 are respectively in communication connection with the monitoring host 11; the monitoring host 11 is configured to receive the temperature and humidity values obtained by the in-cabinet monitoring module 12B and the out-cabinet monitoring module 12A, perform calculation processing, and control the operation of the air supply device 14 and the temperature increasing device 16 according to the calculation processing result.
Still be equipped with moisture absorption function's drying box 18 in the cubical switchboard 1, drying box 18 has the automatically controlled lid, the automatically controlled lid electricity is connected in monitoring host 11, when monitoring host 11 obtains the excessive humid overheat signal or dehumidifier 15 and rising temperature device 16 break down, the automatically controlled lid is opened.
The technical scheme of the utility model in cubical switchboard 1 inside, outside set up in the cabinet monitoring module 12B and the outer detection module 12A of cabinet separately, and realize monitoring host 11 to air supply arrangement 14 and the control function of rising temperature device 16, this technical scheme need not too much human intervention and can realize the humiture in the regulating switch cabinet 1, make the humiture value all be in more stable within range, can slow down 1 interior equipment of cubical switchboard effectively because of the interior air humidity of cabinet and condensation phenomenon ageing and insulating level reduce, reduce the emergence of electric power accident, improve regional electric power system's stability. Compared with the prior art, the technical scheme has the additional effect that when any one of the air supply device 14, the dehumidifier 15, the warming device 16 and the like has local faults, the humidity or the temperature in the switch cabinet 1 is overhigh, and the electric control box cover on the drying box 18 can be controlled to be opened immediately, so that water molecules in the air in the cabinet are continuously absorbed, and a drier air environment is kept.
As the embodiment of the utility model provides a necessary replenishment of cubical switchboard of condensation is prevented in dampproofing, 1 upper end of cubical switchboard is equipped with the air pressure adjusting valve 2 of adjustable atmospheric pressure value size, air pressure adjusting valve 2 with the 11 communication connections of monitoring host computer.
The in-cabinet monitoring module 12B and the out-cabinet monitoring module 12A respectively further comprise an air pressure sensor, and the monitoring host 11 acquires an internal and external air pressure value of the cabinet through the air pressure sensor to serve as a basis for controlling the internal air pressure of the switch cabinet by the air pressure regulating valve 2.
As the embodiment of the utility model provides a preferential scheme of cubical switchboard of condensation is prevented in dampproofing, still be equipped with temperature and humidity alarm device 13 in the cubical switchboard 1, realize automatic alarm when the air is too wet or overheated.
As the embodiment of the utility model provides a dampproofing preferential scheme of cubical switchboard of preventing condensation, 1 inside NB-lot module 111 that still is equipped with of cubical switchboard, and with 11 communication connections of monitoring host realize carrying out information exchange with terminal communication equipment, give the user with information transmission such as temperature, humidity, atmospheric pressure value and warning.
As the embodiment of the utility model provides a dampproofing preferential scheme of cubical switchboard of preventing condensation, still be equipped with the guide plate 19 that is used for guiding the air flow in the cubical switchboard 1, guide plate 19 encloses the both sides of equipment in the cabinet to ensure that the equipment homoenergetic in the cabinet is brushed by dry air, and guide cubical switchboard 1 interior air current to flow to.
As the embodiment of the utility model provides a preferential scheme of cubical switchboard of condensation is prevented in dampproofing, the export of rising temperature device 16 is passed through the pipe and is extended two at least equipartitions in the gas outlet of 1 bottom of cubical switchboard, makes the equipment homoenergetic of each position in the cabinet brushed by dry air.
As the embodiment of the utility model provides a cubical switchboard of condensation is prevented in dampproofing preferred scheme, cubical switchboard 1 includes the primary entrance hole and the secondary entrance hole of lower limit, primary entrance hole and secondary entrance hole all carry out the shutoff with shutoff thing 17. In this embodiment, the plugging material 17 is made of fireproof mud and foam rubber, and other feasible plugging materials, such as sponge net and moisture-proof expansion resin, can be used.
As the embodiment of the utility model provides a dampproofing cubical switchboard that prevents condensation preferred scheme, cubical switchboard 1 sets up on the cable pit 4 that is stamped ditch cover plate 3, be equipped with the bleeder vent on the ditch cover plate 3, the bleeder vent sets up cubical switchboard 1 hides outside the area, so can guarantee that the aqueous vapor that most emerge from cable pit 4 wafts away through cubical switchboard 1's outside, can show and reduce in the aqueous vapor gets into cubical switchboard 1.
Based on any one of the above-mentioned moisture-proof and condensation-proof switch cabinets, the present embodiment provides a method for regulating and controlling an internal environment of a moisture-proof and condensation-proof switch cabinet, where the monitoring host stores psychrometric chart information, and the method includes the following calculation processing steps:
suppose an in cabinet temperature T1, an in cabinet humidity RH1, an out cabinet temperature T2, an out cabinet humidity RH 2;
STEP1, inquiring dew point temperature T0 corresponding to T1 and RH1 according to the psychrometric chart information;
STEP2, assuming a temperature threshold T and an upper limit threshold T3, comparing the difference between T1 and T0 with T, and if the difference is less than or equal to T, starting the temperature raising device 16 to heat; otherwise, comparing T1 with T3, if T1 is greater than T3, only starting the air supply device 14, otherwise, neither the air supply device 14 nor the temperature rise device 16 is started;
STEP3, assuming a humidity threshold RH, compares RH1 with RH, and if RH1 is greater than RH, both the blower 14 and the heater 16 are activated, otherwise neither is activated.
As the embodiment of the present invention provides a preferred scheme of the regulation and control method, the function of obtaining the air pressure value by combining the air pressure sensor, the calculation processing further includes the following steps:
assume a cabinet interior air pressure value of P1, a cabinet exterior air pressure value of P2, an air pressure threshold value of P;
and (3) making a difference between the cabinet internal air pressure value and the cabinet external air pressure value, and if the difference value is less than an air pressure threshold value P, starting the air supply device 14.
As the preferred scheme of the embodiment of the utility model provides a regulation and control method, temperature threshold T gets 3, and upper limit threshold T3 gets 25 ℃, and atmospheric pressure threshold P is according to the gas tightness of cubical switchboard value in P2/15-P2/10 within range.
As a preferable scheme of the control method of the embodiment of the present invention, when the temperature in the switch cabinet 1 obviously exceeds the upper threshold T3, or the air pressure value obviously exceeds the air pressure threshold P, or the humidity RH1 in the cabinet is obviously greater than the humidity threshold RH, the drying box is controlled to be opened; similarly, when equipment such as a dehumidifier, a heating device and the like fails, the drying box is controlled to be opened.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (10)

1. A moisture-proof and anti-condensation switch cabinet is characterized in that a monitoring host, an in-cabinet monitoring module and an air supply device are arranged inside the switch cabinet, an out-cabinet monitoring module is arranged outside the switch cabinet, a dehumidifier is arranged at an air outlet of the air supply device, a temperature rising device is arranged at an outlet of the dehumidifier, and the in-cabinet monitoring module and the out-cabinet monitoring module respectively comprise a temperature sensor and a humidity sensor; monitoring module and the outer monitoring module of cabinet in the cabinet respectively with the monitoring host communication is connected, air supply arrangement, dehumidifier and rising temperature device respectively with the monitoring host communication is connected for realize according to the interior humiture situation of cabinet, adjust air supply arrangement and rising temperature device's operation, its characterized in that:
still be equipped with the drying box of moisture absorption function in the cubical switchboard, the drying box has automatically controlled lid, automatically controlled lid electricity is connected in monitoring host computer to be opened or close by monitoring host computer control.
2. The moisture and condensation resistant switchgear cabinet according to claim 1, wherein: the upper end of the switch cabinet is provided with an air pressure regulating valve capable of regulating the air pressure value, and the air pressure regulating valve is in communication connection with the monitoring host.
3. The moisture and condensation resistant switchgear cabinet according to claim 2, wherein: the monitoring host acquires the air pressure value inside and outside the cabinet through the air pressure sensor, and the air pressure value serves as the basis for controlling the air pressure inside the switch cabinet through the air pressure regulating valve.
4. The moisture and condensation resistant switchgear cabinet according to claim 1, wherein: and a temperature and humidity alarm device is also arranged in the switch cabinet, so that automatic alarm is realized when the air is over-wet or over-hot.
5. The moisture and condensation resistant switchgear cabinet according to claim 1, wherein: and an NB-lot module is also arranged in the switch cabinet and is in communication connection with the monitoring host to realize information communication with the terminal communication equipment.
6. The moisture and condensation resistant switchgear cabinet according to claim 1, wherein: the switch cabinet is also internally provided with a guide plate for guiding air to flow, and the guide plate surrounds two sides of equipment in the cabinet.
7. The moisture and condensation resistant switchgear cabinet according to claim 1, wherein: and the outlet of the temperature rising device extends out of at least two air outlets uniformly distributed at the bottom of the switch cabinet through a pipe.
8. The moisture and condensation resistant switchgear cabinet according to claim 1, wherein: the switch cabinet comprises a primary wire inlet hole and a secondary wire inlet hole which are arranged at the lower side, and the primary wire inlet hole and the secondary wire inlet hole are plugged by plugging objects.
9. The moisture and condensation resistant switchgear of claim 8, wherein: the plugging material is fireproof mud and foam rubber.
10. The moisture and condensation resistant switchgear cabinet according to claim 1, wherein: the switch cabinet is arranged on a cable trench covered with a trench cover plate, the trench cover plate is provided with air holes, and the air holes are formed in the covering area of the switch cabinet.
CN202022205897.5U 2020-09-30 2020-09-30 Moisture-proof and condensation-proof switch cabinet Active CN214100292U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022205897.5U CN214100292U (en) 2020-09-30 2020-09-30 Moisture-proof and condensation-proof switch cabinet

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Application Number Priority Date Filing Date Title
CN202022205897.5U CN214100292U (en) 2020-09-30 2020-09-30 Moisture-proof and condensation-proof switch cabinet

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CN214100292U true CN214100292U (en) 2021-08-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114253325A (en) * 2021-12-21 2022-03-29 深圳大成智能电气科技有限公司 Anti-condensation and temperature safety management system and anti-condensation method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114253325A (en) * 2021-12-21 2022-03-29 深圳大成智能电气科技有限公司 Anti-condensation and temperature safety management system and anti-condensation method

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