CN111276876B - Outdoor switch cabinet with prevent condensation function - Google Patents
Outdoor switch cabinet with prevent condensation function Download PDFInfo
- Publication number
- CN111276876B CN111276876B CN202010143940.1A CN202010143940A CN111276876B CN 111276876 B CN111276876 B CN 111276876B CN 202010143940 A CN202010143940 A CN 202010143940A CN 111276876 B CN111276876 B CN 111276876B
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- Prior art keywords
- pipeline
- cabinet body
- temperature sensor
- condensation
- pipe
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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
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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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses an outdoor switch cabinet with an anti-condensation function, which relates to the technical field of switch cabinets and comprises the following components: the heating cabinet comprises an inner cabinet body, an outer cabinet body, a first temperature sensor, a second temperature sensor, a controller, a sleeve and a heating pipe, wherein the inner cabinet body is arranged inside the outer cabinet body, and a cavity is formed inside the outer cabinet body and outside the inner cabinet body; the first temperature sensor is arranged inside the inner cabinet body; the second temperature sensor is arranged in the cavity; the sleeve is fixedly arranged in the cavity; the heating pipe is sleeved in the sleeve; the controller is electrically connected with the first temperature sensor, the second temperature sensor and the heating pipe, and when the temperature difference between the first temperature sensor and the second temperature sensor exceeds a preset value, the controller controls the heating pipe to be electrified and operated. The invention can keep the temperature difference inside and outside the inner cabinet body within a set value, thereby reducing the condensation phenomenon and improving the safety and stability of the operation of the switch cabinet.
Description
Technical Field
The invention relates to the technical field of switch cabinets, in particular to an outdoor switch cabinet with a condensation prevention function.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system.
In cold winter, the outside temperature is low and the inside temperature of the switch cabinet is high, forming a temperature difference inside and outside the cabinet, causing condensation. The phenomena of creepage and abnormal flashover discharge of electrical elements are caused by the insulation distance, and equipment fault tripping is caused by interphase short circuit, so that serious hidden danger is brought to safe and stable operation of the equipment.
Therefore, how to reduce the occurrence of the condensation phenomenon is one of the important technical problems to be solved in the field.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an outdoor switch cabinet with a condensation prevention function, which is used to reduce the occurrence of condensation phenomenon in the switch cabinet.
Based on the above purpose, the present invention provides an outdoor switch cabinet with anti-condensation function, comprising:
an inner cabinet body, an outer cabinet body, a first temperature sensor, a second temperature sensor, a controller, a sleeve and a heating pipe, wherein,
the inner cabinet body is arranged inside the outer cabinet body, and a cavity is formed inside the outer cabinet body and outside the inner cabinet body;
the first temperature sensor is arranged inside the inner cabinet body;
the second temperature sensor is mounted in the cavity;
the sleeve is fixedly arranged in the cavity;
the heating pipe is sleeved in the sleeve;
the controller is electrically connected with the first temperature sensor, the second temperature sensor and the heating pipe, and when the temperature difference between the first temperature sensor and the second temperature sensor exceeds a preset value, the controller controls the heating pipe to be electrified and operated.
Optionally, two sets of condenser pipes are arranged in the inner cabinet body, and water outlets are formed in the bottoms of the condenser pipes.
Optionally, the condensation pipe is communicated with a circulating part, and the circulating part is used for adding circulating water into the condensation pipe.
Optionally, the circulation portion includes first pipeline and second pipeline, first pipeline one end with the interior bottom of the outer cabinet body is linked together, the other end with the second pipeline is linked together, the second pipeline level sets up the top of the outer cabinet body, the second pipeline with two the condenser pipe is linked together, the water pump has concatenated on the first pipeline.
Optionally, a heat exchange part is further connected in series to the first pipeline, and the heat exchange part is used for cooling circulating water.
Optionally, the heat exchange portion includes a box and a heat exchange tube, the heat exchange tube is arranged in the box, the heat exchange tube is connected in series on the first pipeline, and the box is filled with earth.
Optionally, a boss-shaped opening is formed in the top of the outer cabinet body, the boss-shaped opening is large in top and small in bottom, the sleeve is located under the boss-shaped opening, a third pipeline is arranged above the boss-shaped opening, two through holes are formed in the third pipeline and located above the boss-shaped opening respectively, one end of the second pipeline is communicated with the first pipeline, and a valve is connected to the third pipeline in series.
Optionally, the condensation pipe is wavy.
When the switch cabinet is used, the first temperature sensor is used for detecting the internal temperature of the inner cabinet, the second temperature sensor is used for detecting the internal temperature of the cavity, when the temperature difference between the first temperature sensor and the second temperature sensor exceeds a preset value, the internal and external temperature difference of the inner cabinet exceeds the preset value, condensation is easily generated, the controller controls the heating pipe to be electrified to work, the temperature in the cavity is increased, the internal and external temperature difference of the inner cabinet is reduced, the internal and external temperature difference of the inner cabinet is smaller than the preset value, for example, the preset value is degree, and when the internal and external temperature difference of the inner cabinet is smaller than the degree, the controller controls the heating pipe to stop working.
According to the switch cabinet, the temperature difference inside and outside the switch cabinet body can be kept in a set value, so that the condensation phenomenon can be reduced, the operation safety and stability of the switch cabinet are improved, and the service life of the electrical elements in the switch cabinet is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a switch cabinet according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
In order to achieve the above purpose, an embodiment of the present invention provides an outdoor switch cabinet with a condensation prevention function. As shown in fig. 1, an outdoor switchgear with anti-condensation function includes: an inner cabinet body 1, an outer cabinet body 2, a first temperature sensor 11, a second temperature sensor 12, a controller, a sleeve 3 and a heating pipe 31, wherein,
the inner cabinet body 1 is arranged inside the outer cabinet body 2, and a cavity 22 is formed between the inside of the outer cabinet body 2 and the outside of the inner cabinet body 1;
the first temperature sensor 11 is mounted inside the inner cabinet 1;
the second temperature sensor 12 is mounted in the cavity 22;
the sleeve 3 is fixedly arranged in the cavity 22;
the heating pipe 31 is sleeved in the sleeve 3;
the controller is electrically connected with the first temperature sensor 11, the second temperature sensor 12 and the heating pipe 31, and when the temperature difference between the first temperature sensor 11 and the second temperature sensor 12 exceeds a predetermined value, the controller controls the heating pipe 31 to be electrified and operated.
This cubical switchboard is when using, and first temperature sensor 11 is used for detecting the temperature in the internal 1 of inner cabinet, and second temperature sensor 12 is used for detecting the temperature in the cavity 22, works as first temperature sensor 11 with when the temperature difference between second temperature sensor 12 exceeds the predetermined value, it has surpassed the predetermined value to explain the inside and outside temperature difference of the internal 1 of cabinet, produces condensation phenomenon easily, and the controller control this moment heating pipe 31 circular telegram work for the temperature in the cavity 22 rises, reduces the inside and outside temperature difference of the internal 1 of cabinet, makes the inside and outside temperature difference of the internal 1 of cabinet be less than the predetermined value, and the predetermined value is five degrees for example, and when the inside and outside temperature difference of the internal 1 of cabinet is less than five degrees, the stop work of heating pipe 31 is controlled to the controller.
According to the switch cabinet, the temperature difference inside and outside the inner cabinet body 1 can be kept in a set value, so that the condensation phenomenon can be reduced, the operation safety and stability of the switch cabinet are improved, and the service life of the electrical elements in the switch cabinet is prolonged.
In order to further reduce the damage of the condensation phenomenon to the electric elements, two groups of condensation pipes 4 are arranged in the inner cabinet body 1, and water outlets are formed in the bottoms of the condensation pipes 4. Some moisture in the inner cabinet body 1 can condense out on the condensation pipe 4, so that the condensation phenomenon of the moisture on the electric elements is reduced, and water drops condensed out on the condensation pipe 4 flow out along with the condensation pipe 4 through the water outlet. This further reduces the damage caused by condensation to the electrical components.
In some embodiments, the condensation duct 4 is connected to a circulation unit for adding circulating water to the condensation duct 4.
Optionally, the circulation portion includes a first pipeline 51 and a second pipeline 52, one end of the first pipeline 51 is communicated with the inner bottom of the outer cabinet 2, the other end of the first pipeline is communicated with the second pipeline 52, the second pipeline 52 is horizontally arranged above the outer cabinet 2, the second pipeline 52 is communicated with the two condensation pipes 4, and a water pump 53 is connected in series to the first pipeline 51.
During operation, the water pump 53 pumps water at the bottom of the outer cabinet body 2, and the water flows to the bottom of the outer cabinet body 2 again after sequentially passing through the first pipeline 51, the second pipeline 52 and the condenser pipe 4. The design of circulating water has further increased the difference in temperature of condenser pipe 4 with the inside of the internal cabinet body 1 for the moisture in the internal cabinet body 1 can be more easily at condenser pipe 4 on condensation water pearl, so further reduced the moisture and taken place the condensation phenomenon on electric elements, played the effect of protection to electric elements.
In some embodiments, a heat exchange portion is further connected in series to the first pipeline 51, and the heat exchange portion is used for cooling circulating water.
Optionally, the heat exchange portion includes a box 61 and a heat exchange tube 62, the heat exchange tube 62 is disposed in the box 61, the heat exchange tube 62 is connected in series to the first pipe 51, and the box 61 is filled with soil. When the circulating water passes through the inner cabinet body 1, the heat in the inner cabinet body 1 can be absorbed, so that the temperature of water rises, the condensation effect of the condensation pipe 4 can be influenced for a long time, the temperature in the soil is reduced under the general condition, and when the circulating water passes through the heat exchange pipe 62, a part of heat can be emitted into the soil, so that the temperature of the circulating water is reduced, and the use effect of the condensation pipe 4 is ensured.
In some embodiments, a boss-shaped opening 23 is formed in the top of the outer cabinet 2, the boss-shaped opening 23 is large in top and small in bottom, the sleeve 3 is located right below the boss-shaped opening 23, a third pipeline 24 is arranged above the boss-shaped opening 23, two through holes are formed in the third pipeline 24, the two through holes are located above the two boss-shaped openings 23 respectively, one end of the second pipeline 52 is communicated with the first pipeline 51, and a valve 25 is connected to the third pipeline 24 in series.
The temperature ratio in the internal cabinet body 1 is higher in summer, need dispel the heat, and the circulating water flows to sleeve pipe 3's surface through boss shape opening 23, and the inside temperature external radiation of the internal cabinet body 1 is absorbed by the circulating water, so can accelerate the radiating rate of the internal cabinet body 1.
In some embodiments, the condensation duct 4 is corrugated. Therefore, the condensation surface area of the condensation pipe 4 can be increased, and the function of removing moisture in the inner cabinet body 1 by the condensation pipe 4 is improved.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (4)
1. The utility model provides an outdoor cubical switchboard with prevent condensation function which characterized in that includes: an inner cabinet body, an outer cabinet body, a first temperature sensor, a second temperature sensor, a controller, a sleeve and a heating pipe, wherein,
the inner cabinet body is arranged inside the outer cabinet body, and a cavity is formed inside the outer cabinet body and outside the inner cabinet body;
the first temperature sensor is arranged inside the inner cabinet body;
the second temperature sensor is mounted in the cavity;
the sleeve is fixedly arranged in the cavity;
the heating pipe is sleeved in the sleeve;
the controller is electrically connected with the first temperature sensor, the second temperature sensor and the heating pipe, and when the temperature difference between the first temperature sensor and the second temperature sensor exceeds a preset value, the controller controls the heating pipe to be electrified and operated;
two groups of condensation pipes are arranged in the inner cabinet body, and water outlets are formed in the bottoms of the condensation pipes;
the condensation pipe is communicated with a circulating part, and the circulating part is used for adding circulating water into the condensation pipe;
the circulating part comprises a first pipeline and a second pipeline, one end of the first pipeline is communicated with the inner bottom of the outer cabinet body, the other end of the first pipeline is communicated with the second pipeline, the second pipeline is horizontally arranged above the outer cabinet body, the second pipeline is communicated with the two condensation pipes, and a water pump is connected to the first pipeline in series;
the top of the outer cabinet body is provided with a boss-shaped opening, the boss-shaped opening is large in upper portion and small in lower portion, the sleeve is located under the boss-shaped opening, a third pipeline is arranged above the boss-shaped opening, the third pipeline is provided with two through holes, the two through holes are respectively located above the boss-shaped opening, one end of the second pipeline is communicated with the first pipeline, and the third pipeline is connected with a valve in series.
2. The outdoor switch cabinet with the anti-condensation function according to claim 1, wherein a heat exchange part is further connected in series to the first pipeline, and the heat exchange part is used for cooling circulating water.
3. An outdoor switch cabinet with a condensation preventing function according to claim 2, wherein the heat exchange part comprises a box body and a heat exchange pipe, the heat exchange pipe is arranged in the box body, the heat exchange pipe is connected in series on the first pipeline, and soil is filled in the box body.
4. An outdoor switch cabinet with a condensation preventing function according to claim 1, wherein the condensation pipe is wavy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010143940.1A CN111276876B (en) | 2020-03-04 | 2020-03-04 | Outdoor switch cabinet with prevent condensation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010143940.1A CN111276876B (en) | 2020-03-04 | 2020-03-04 | Outdoor switch cabinet with prevent condensation function |
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| Publication Number | Publication Date |
|---|---|
| CN111276876A CN111276876A (en) | 2020-06-12 |
| CN111276876B true CN111276876B (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010143940.1A Active CN111276876B (en) | 2020-03-04 | 2020-03-04 | Outdoor switch cabinet with prevent condensation function |
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| Country | Link |
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| CN (1) | CN111276876B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505437A (en) * | 2016-10-28 | 2017-03-15 | 合肥华义电气科技有限公司 | Energy-conservation cools down box-type substation |
| CN108062133A (en) * | 2017-12-29 | 2018-05-22 | 国家电网公司 | A kind of electric power cabinet dehydrating unit |
| CN208226392U (en) * | 2018-03-26 | 2018-12-11 | 瑞金市金联机械有限公司 | A kind of sucker machine power supply box |
-
2020
- 2020-03-04 CN CN202010143940.1A patent/CN111276876B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505437A (en) * | 2016-10-28 | 2017-03-15 | 合肥华义电气科技有限公司 | Energy-conservation cools down box-type substation |
| CN108062133A (en) * | 2017-12-29 | 2018-05-22 | 国家电网公司 | A kind of electric power cabinet dehydrating unit |
| CN208226392U (en) * | 2018-03-26 | 2018-12-11 | 瑞金市金联机械有限公司 | A kind of sucker machine power supply box |
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| Publication number | Publication date |
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| CN111276876A (en) | 2020-06-12 |
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