CN214590132U - Condensation system is prevented to outdoor switch terminal box - Google Patents
Condensation system is prevented to outdoor switch terminal box Download PDFInfo
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- CN214590132U CN214590132U CN202120995229.9U CN202120995229U CN214590132U CN 214590132 U CN214590132 U CN 214590132U CN 202120995229 U CN202120995229 U CN 202120995229U CN 214590132 U CN214590132 U CN 214590132U
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- side wall
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Abstract
The utility model relates to an anti-condensation system of an outdoor switch terminal box body, which comprises a cabinet body, wherein temperature and humidity sensors are arranged on the inner side wall and the outer side wall of the cabinet body, a plurality of shutters are arranged at the bottom of the cabinet body, and a drainage fan is arranged at the top of the cabinet body opposite to the shutters; the cabinet body is also provided with a condensation dehumidifier which is provided with a box body, the interior of the box body is divided into two mutually independent cavities through a partition plate, an air suction fan is arranged in the upper cavity, the air suction fan is communicated with the top of the cabinet body through an air suction pipe, and the side wall of the upper cavity is provided with an air outlet; an electric heating fan is arranged in the lower cavity and is communicated with the side wall of the lower part of the cabinet body through a blowing air pipe, and an air suction port is arranged on the side wall of the lower cavity; the system combines the dew point condition in the cabinet body, adopts the control mode of matching the air suction fan and the electric heating fan to replace a single electric heater which is commonly used at present, and has the advantages of fast dehumidification, small temperature rise in the cabinet body, short heating time and obvious energy-saving effect.
Description
Technical Field
The utility model belongs to the technical field of outdoor electrical safety equipment technique and specifically relates to a condensation system is prevented to outdoor switch terminal box.
Background
The outdoor switch terminal box is used as an important device for opening, closing, controlling and protecting electric equipment, and plays an important role in the power generation, power transmission, power distribution and electric energy conversion processes of a power system. However, under the conditions of high temperature, high humidity, low temperature, high humidity and the like, the condensation phenomenon is easily generated inside the switch cabinet, so that the corrosion of parts and the reduction of the insulation performance of electrical equipment are caused, the mechanical and electrical performances of the parts and the electrical equipment are influenced, and even the surface discharge is generated on the surface of an insulation part to cause accidents. At present, cabinet type electrical equipment such as a switch cabinet and the like is researched mainly in terms of harm of condensation and anti-condensation measures at home and abroad as follows: (1) accidents such as flash, misoperation and power failure of the switch cabinet and the terminal box are analyzed, and the main reasons for the accidents are that the parts are corroded due to condensation, the insulation performance of electrical equipment is reduced, and a secondary line is short-circuited; (2) tests such as power frequency withstand voltage and lightning impulse show that the electrical performance of the equipment is reduced by condensation, and the discharge starting voltage is reduced by electric field distortion generated by condensation; (3) the surface of the equipment is coated with a drying agent and a super-hydrophobic material for preventing condensation, and the method can slow down the formation of the condensation through experiments.
The traditional method for preventing condensation generally configures a heater in a switch cabinet, but the arrangement of the heater in a plurality of products is unreasonable, heating equipment and a cabinet body are integrated, heating in the cabinet is uneven, the heater can be quickly condensed to form condensation when high-temperature and high-humidity air meets the inner wall of the cabinet body with lower temperature, and meanwhile, an automatic temperature controller in the switch cabinet is easy to malfunction, so that the heater in a cabin cannot be reliably thrown and retreated, the condensation cannot be timely treated, and the condensation prevention effect is not good.
Disclosure of Invention
The utility model aims at providing an outdoor switch terminal box prevents condensation system to above-mentioned condition, this system is more intelligent, and the reliability is higher, prevents that the condensation effect is better.
The utility model has the following concrete scheme: an outdoor switch terminal box body condensation preventing system comprises a cabinet body for mounting a switch terminal, wherein temperature and humidity sensors are arranged on the inner side wall and the outer side wall of the cabinet body, an intelligent control box is arranged on the outer side wall of the cabinet body, lockable roller supports are arranged at the bottom of the cabinet body, a plurality of shutters are arranged at the bottom of the cabinet body, drainage fans are arranged at the top of the cabinet body opposite to the shutters, electric telescopic baffles are further arranged on each drainage fan, a rain blocking cap is arranged on each drainage fan, and the shutters are opened and closed by electric control; the cabinet body is also provided with a condensation dehumidifying device outside, the condensation dehumidifying device is provided with a box body, the front part of the box body is provided with a box door, the interior of the box body is divided into two mutually independent cavities through a partition plate, an air suction fan is arranged in the upper cavity, the air suction fan is communicated with the top of the cabinet body through an air suction pipe, and the side wall of the upper cavity is provided with an air outlet; an electric heating fan is arranged in the lower cavity and is communicated with the side wall of the lower part of the cabinet body through a blowing air pipe, and an air suction port is arranged on the side wall of the lower cavity; the electric telescopic baffle, the shutter, the drainage fan, the air suction fan and the electric heating fan are electrically connected with the intelligent control box.
Further, in the utility model discloses in induction port and gas vent all adopt the gas port of shutter shape, and the equal slope of shutter blade on induction port and the gas vent sets up in order to form the structure of keeping off the rain to the outside.
Further, in the utility model discloses in the shutter quantity of cabinet body bottom is 2 ~ 4 and even interval arrangement, the quantity of drainage fan is unanimous with shutter quantity and the one-to-one is arranged.
Further, the utility model discloses in still be equipped with smoke and fire alarm on the inside wall of the cabinet body, this smoke and fire alarm with intelligent control case electric connection.
Furthermore, in the present invention, the back of the box body is further provided with a U-shaped handle for pulling the box body.
Furthermore, in the present invention, the model of the temperature and humidity sensor is HX94 AC.
The utility model discloses following beneficial effect has:
firstly the utility model discloses the system utilizes the internal and external temperature of cabinet, the humidity condition as the judgement standard, can prevent the appearance of condensation in the cubical switchboard the very first time, reaches minimum power consumption and the more efficient purpose of preventing condensation.
② the utility model discloses the system can realize the weather condition of operation according to the outdoor switch terminal and carry out intelligent processing, to the change situation and the height of the internal and external temperature of specific weather condition and cabinet, humidity, heats and ventilates exhaust treatment, and the suitability is stronger.
The utility model discloses can effectively block the pollution of outside dust and filth to cubical switchboard internal components and parts.
Fourthly the utility model discloses the system combines the internal dew point condition of cabinet, adopts suction fan and electric heating fan complex control mode to replace the single electric heater of present general use, and the dehumidification is fast, and the internal temperature rise of cabinet is little, and heat time is short, and energy-conserving effect is showing very much.
Fifth the utility model provides a condensation dehydrating unit and the cabinet body of cubical switchboard separate the mutual independence operation, and later stage fault handling and maintenance are convenient and fast more, reduce cost and improve efficiency.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the middle cabinet body of the present invention;
FIG. 3 is a schematic structural view of the condensation dehumidifier of the present invention;
fig. 4 is a functional block diagram of the present invention.
In the figure: the intelligent control cabinet comprises a cabinet body 1, a rain cap 2, an intelligent control cabinet 3, an air suction pipe 4, a box body 5, a U-shaped handle 6, an air suction fan 7, an upper cavity 8, an air exhaust port 9, a partition plate 10, a lower cavity 11, an air suction port 12, a roller support 13, an electric heating fan 14, an air blowing pipe 15, a drainage fan 16, a temperature and humidity sensor 17, a smoke alarm 18, a louver 19 and a box door 20.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of describing the present invention or simplifying the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the utility model relates to an outdoor switch terminal box body condensation preventing system, which comprises a cabinet body 1 for installing a switch terminal, wherein the inner side wall and the outer side wall of the cabinet body are provided with temperature and humidity sensors 17, the outer side wall of the cabinet body is provided with an intelligent control box 3, the bottom of the cabinet body is provided with a lockable roller support 13, the bottom of the cabinet body is provided with a plurality of shutters 19, the top of the cabinet body opposite to the shutters is provided with drainage fans 16, each drainage fan is also provided with an electric telescopic baffle, each drainage fan is provided with a rain blocking cap 2, and the shutters are opened and closed by adopting electric control; the cabinet body is also provided with a condensation dehumidifier which is provided with a cabinet body 5, the front part of the cabinet body is provided with a cabinet door 20, the interior of the cabinet body is divided into two mutually independent cavities by a partition plate, an air suction fan 7 is arranged in the upper cavity 8, the air suction fan is communicated with the top of the cabinet body through an air suction pipe, and the side wall of the upper cavity is provided with an air outlet 9; an electric heating fan 14 is arranged in the lower cavity 11 and is communicated with the side wall of the lower part of the cabinet body through a blowing air pipe 15, and an air suction port 12 is arranged on the side wall of the lower cavity; the electric telescopic baffle, the shutter, the drainage fan, the air suction fan and the electric heating fan are electrically connected with the intelligent control box.
Set up electronic retractable baffle in this embodiment in drainage fan top and belong to hidden design, its inside of arranging cabinet body top in, electric control is flexible in order to realize sheltering from to drainage fan, and is more common among this kind of electronic retractable baffle's the structure prior art, belongs to prior art, promotes the baffle through miniature electric putter promptly and stretches out and draws back.
Furthermore, in this embodiment, the air inlet and the air outlet both adopt louver-shaped air inlets, and louver blades on the air inlet and the air outlet are both obliquely arranged outwards to form a rain shielding structure.
Further, in this embodiment the shutter quantity of cabinet body bottom is 2 ~ 4 and even interval arrangement, the quantity of drainage fan is unanimous with shutter quantity and the one-to-one is arranged.
Further, in this embodiment still be equipped with fireworks alarm 18 on the inside wall of the cabinet body, this fireworks alarm with intelligent control case electric connection.
Further, in this embodiment, the back of the box body is further provided with a U-shaped handle 6 for pulling the box body.
Further, in this embodiment, the model of the temperature and humidity sensor is HX94 AC.
The utility model discloses the whole theory of operation of system:
firstly, whether condensation occurs in the terminal box is directly judged, and then the possible condensation is controlled in advance according to the environment temperature and humidity, the temperature and humidity conditions in the terminal box and the environmental climate change trend, so that the interior of the terminal box is far away from the condensation point. A temperature and humidity sensor HX94AC probe is installed on a cabinet body, information of temperature and humidity conditions T1, T2, S1 and S2 inside and outside the cabinet is collected to control heating and exhausting, and a drainage fan, an air suction fan and an electric heating fan are controlled to work through a Siemens PLC230 in an intelligent control cabinet. The drainage fan is used for exchanging air inside and outside and discharging air with higher humidity in the box; the electric heating fan is used for blowing hot air into the cabinet body to evaporate possible condensed water, the temperature of a position to be prevented from being condensed inside is always higher than the ambient temperature outside the cabinet body, and meanwhile, the air suction fan sucks air outwards to accelerate the flowing speed of air flow so as to evaporate and eliminate the condensed water more quickly; in addition, under the condition of low temperature, the temperature in the box is ensured to reach the temperature suitable for the operation of the electric appliance, so that the icing condition is prevented.
The system control flow is shown in fig. 4. The temperature and humidity inside and outside the cabinet body are collected in real time, and independent analog quantity output is provided. Firstly, humidity is taken as a first judgment condition and is divided into 3 conditions of being less than 70%, 70% -75% and more than 75%, corresponding exhaust and heating control is carried out according to the graph 4, when the drainage fan is started, the movable electric telescopic baffle on the upper portion of the drainage fan is opened, when the drainage fan does not work, the electric telescopic baffle is closed, pollution of external dust and dirt to components inside the switch cabinet can be effectively prevented, the electric telescopic baffle can also adopt a rotary opening and closing structural form, and the rotary opening and closing of the electric telescopic baffle can be realized by utilizing the prior art.
In view of the general natural law, when the temperature is higher than 40 ℃, the condensation phenomenon does not occur in the tank, and therefore, the heating process is stopped when the temperature is set to be higher than 40 ℃.
In this embodiment, the shutter of cabinet body bottom adopts electric control to open and shut equally, and the inside and outside humiture collection condition of the internal and outside cabinet of cooperation, its quantity of opening and shutting of intelligent control and the time of opening and shutting.
The utility model discloses in because the condensation dehydrating unit is split type design alone, be parted with the terminal switch cabinet body, if the condensation dehydrating unit breaks down or damages, take away alone and repair just can, do not have the influence to the use in the relatively short time of cubical switchboard self, take away to repair when maintaining at the condensation dehydrating unit, the gyro wheel supports and the U-shaped hand (hold) is used just very conveniently, operating personnel is very easy with the whole promotion removal of box, it is very nimble.
The utility model discloses the system utilizes the internal and external temperature of cabinet, the humidity condition as the judgement standard, can prevent the appearance of condensation in the cubical switchboard the very first time, reaches minimum power consumption and the more efficient purpose of preventing condensation.
The utility model discloses the system can realize the weather condition of operation according to the outdoor switch terminal and carry out intelligent processing, to the changing conditions and the height of the internal and external temperature of specific weather condition and cabinet, humidity, heats and ventilates exhaust treatment, and the suitability is stronger.
The utility model discloses can effectively block the pollution of outside dust and filth to cubical switchboard internal components and parts.
The utility model discloses the system combines the internal dew point condition of cabinet, adopts suction fan and electric heating fan complex control mode to replace the single electric heater of present general use, and the dehumidification is fast, and the internal temperature rise of cabinet is little, and heat time is short, and energy-conserving effect is showing very much.
The utility model provides a condensation dehydrating unit and the cabinet body separation mutual independence operation of cubical switchboard, later stage fault handling and maintenance maintain convenient and fast more, reduce cost and improve efficiency.
Claims (6)
1. The utility model provides an outdoor switch terminal box body prevents condensation system, is including the cabinet body that is used for installing the switch terminal, its characterized in that: temperature and humidity sensors are arranged on the inner side wall and the outer side wall of the cabinet body, an intelligent control box is arranged on the outer side wall of the cabinet body, lockable roller supports are arranged at the bottom of the cabinet body, a plurality of shutters are arranged at the bottom of the cabinet body, drainage fans are arranged at the top of the cabinet body opposite to the shutters, an electric telescopic baffle is further arranged on each drainage fan, a rain blocking cap is arranged on each drainage fan, and the shutters are opened and closed by electric control; the cabinet body is also provided with a condensation dehumidifying device outside, the condensation dehumidifying device is provided with a box body, the front part of the box body is provided with a box door, the interior of the box body is divided into two mutually independent cavities through a partition plate, an air suction fan is arranged in the upper cavity, the air suction fan is communicated with the top of the cabinet body through an air suction pipe, and the side wall of the upper cavity is provided with an air outlet; an electric heating fan is arranged in the lower cavity and is communicated with the side wall of the lower part of the cabinet body through a blowing air pipe, and an air suction port is arranged on the side wall of the lower cavity; the electric telescopic baffle, the shutter, the drainage fan, the air suction fan and the electric heating fan are electrically connected with the intelligent control box.
2. The outdoor switch terminal box body anti-condensation system according to claim 1, characterized in that: the air suction port and the air exhaust port are all provided with air ports in the shape of a louver, and louver blades on the air suction port and the air exhaust port are all obliquely arranged outwards to form a rain shielding structure.
3. The outdoor switch terminal box body anti-condensation system according to claim 1, characterized in that: the quantity of the shutters at the bottom of the cabinet body is 2-4 and the shutters are evenly arranged at intervals, and the quantity of the drainage fans is consistent with the quantity of the shutters and the shutters are arranged in a one-to-one correspondence mode.
4. The outdoor switch terminal box body anti-condensation system according to claim 3, wherein: still be equipped with the firework alarm on the inside wall of the cabinet body, this firework alarm with intelligent control case electric connection.
5. The outdoor switch terminal box body anti-condensation system according to claim 1, characterized in that: the back of the box body is also provided with a U-shaped handle for pulling the box body.
6. The outdoor switch terminal box body anti-condensation system according to claim 1, characterized in that: the type of the temperature and humidity sensor is HX94 AC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120995229.9U CN214590132U (en) | 2021-05-11 | 2021-05-11 | Condensation system is prevented to outdoor switch terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120995229.9U CN214590132U (en) | 2021-05-11 | 2021-05-11 | Condensation system is prevented to outdoor switch terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214590132U true CN214590132U (en) | 2021-11-02 |
Family
ID=78329274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120995229.9U Expired - Fee Related CN214590132U (en) | 2021-05-11 | 2021-05-11 | Condensation system is prevented to outdoor switch terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214590132U (en) |
-
2021
- 2021-05-11 CN CN202120995229.9U patent/CN214590132U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |