CN218732456U - Two-way exhaust switch board - Google Patents
Two-way exhaust switch board Download PDFInfo
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- CN218732456U CN218732456U CN202222145781.6U CN202222145781U CN218732456U CN 218732456 U CN218732456 U CN 218732456U CN 202222145781 U CN202222145781 U CN 202222145781U CN 218732456 U CN218732456 U CN 218732456U
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- cabinet body
- power distribution
- switch board
- ventilation opening
- distribution cabinet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model relates to a cubical switchboard field of making discloses a two-way exhaust switch board includes: the power distribution cabinet comprises a power distribution cabinet body, a rainproof ceiling and an exhaust system, wherein the rainproof ceiling is covered on the top of the power distribution cabinet body and used for blocking rainwater for the power distribution cabinet body; the exhaust system includes: the temperature control device comprises a humidity sensor, a heat dissipation fan, a first ventilation opening and a second ventilation opening, wherein the first ventilation opening is arranged at the bottom of the power distribution cabinet body, and blades of the heat dissipation fan are positioned in the first ventilation opening; the second ventilation opening is positioned at the top of the power distribution cabinet body, and the first ventilation opening and the second ventilation opening form an airflow channel; the humidity sensor is electrically connected with the cooling fan and used for controlling the turning and starting and stopping of the cooling fan. This switch board can completely cut off the air admission switch board that humidity is high in the radiating.
Description
Technical Field
The utility model relates to a cubical switchboard field of making specifically relates to a two-way carminative switch board.
Background
The power distribution cabinet can be divided into a power distribution cabinet, a lighting distribution cabinet, a metering cabinet and the like, belongs to the final-stage equipment of a power distribution system, and is mainly applied to various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textiles, industrial and mining enterprises, residential districts, high-rise buildings and the like.
In order to avoid rainwater, sundries and the like from falling into the power distribution cabinet, the air inlet grids for heat dissipation of the outdoor power distribution cabinet are arranged on the peripheral side walls of the cabinet body at present, and rainwater easily enters the cabinet body through the air inlet grids in rainy days to cause damp short circuit of electrical equipment, so that the performance stability of the electrical equipment in the power distribution cabinet, the action reliability and the metering accuracy are influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that the switch board ventilation cooling that prior art exists and dampproofing unable compromise, the utility model provides a two-way exhaust switch board, this switch board can be in radiating isolated air admission switch board that humidity is high.
The utility model provides a two-way exhaust switch board, this switch board includes: a power distribution cabinet body, a rainproof ceiling and an exhaust system, wherein,
the rainproof ceiling is covered on the top of the power distribution cabinet body and used for blocking rainwater for the power distribution cabinet body;
the exhaust gas the system comprises: the temperature control device comprises a humidity sensor, a heat dissipation fan, a first ventilation opening and a second ventilation opening, wherein the first ventilation opening is arranged at the bottom of the power distribution cabinet body, and blades of the heat dissipation fan are positioned in the first ventilation opening; the second ventilation opening is positioned at the top of the power distribution cabinet body, and the first ventilation opening and the second ventilation opening form an airflow channel;
the humidity sensor is electrically connected with the cooling fan and used for controlling the turning and starting and stopping of the cooling fan.
Preferably, the bottom of switch board body still is provided with a plurality of landing legs.
Preferably, at least one humidity sensor is provided.
Preferably, the humidity sensor sets up two, two the humidity sensor is located respectively the bottom of switch board body with the top of switch board body.
Preferably, the humidity sensor arranged at the bottom of the power distribution cabinet body is set as a first humidity sensor and used for detecting whether the air humidity at the position exceeds a set value or not and controlling the cooling fan to rotate reversely according to a detection result.
Preferably, the humidity sensor at the top of the power distribution cabinet body is set as a second humidity sensor for detecting whether the air humidity at the position exceeds a set value or not and controlling the start and stop of the cooling fan according to a detection result.
Preferably, the rainproof ceiling is arranged to extend outwards to cover the top area of the power distribution cabinet body, and a gas buffer area is formed between the rainproof ceiling and the power distribution cabinet body.
Preferably, a dehumidifying agent is arranged in the gas buffer area and is used for dehumidifying the air in the gas buffer area.
Preferably, a filtering device is arranged outside the first ventilation opening.
Preferably, the filtering device is detachably connected with the power distribution cabinet body.
According to the technical scheme, a rain-proof ceiling for isolating rainwater is arranged at the top of the power distribution cabinet, a first ventilation opening is formed in the bottom of the power distribution cabinet, and a heat dissipation fan is arranged in the first ventilation opening; the top of the power distribution cabinet is also provided with a second ventilation opening. Under the general condition, the cooling fan corotates, and the external cold air that inhales gets into in the switch board cools off the electrical components in the switch board, and the hot-air is discharged by the second ventilation opening.
Humidity transducer is used for detecting air humidity, and after air humidity reached the setting value, this humidity transducer control cooling fan reversal or stopped, avoided the too high air admission switch board of humidity.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a power distribution cabinet in accordance with a preferred embodiment;
FIG. 2 is a preferred embodiment motor control circuit.
Description of the reference numerals
1 power distribution cabinet body 3 rainproof ceiling
22 radiator fan 21 first ventilation opening
4-leg 61 first humidity sensor
62 second humidity sensor 51 desiccant
52 second ventilation opening of filtering device 23
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the directional terms "facing, away, horizontal, inclined, front, rear, end" and the like included in the terms only represent the orientation of the terms in a conventional use state or a colloquial term understood by those skilled in the art, and should not be construed as limiting the terms.
Referring to fig. 1, a bi-directional exhausting switch board comprises: a power distribution cabinet body 1, a rainproof ceiling 3 and an exhaust system, wherein,
the rainproof ceiling 3 covers the top of the power distribution cabinet body 1 and is used for blocking rainwater for the power distribution cabinet body 1;
the exhaust system includes: the air conditioner comprises a humidity sensor, a heat dissipation fan 22, a first ventilation opening 21 and a second ventilation opening 23, wherein the first ventilation opening 21 is arranged at the bottom of the power distribution cabinet body 1, and blades of the heat dissipation fan 22 are positioned in the first ventilation opening 21; the second ventilation opening 23 is positioned at the top of the power distribution cabinet body 1, and the first ventilation opening 21 and the second ventilation opening 23 form an airflow channel;
the humidity sensor is electrically connected with the cooling fan 22 and used for controlling the turning and starting and stopping of the cooling fan 22.
Through above-mentioned technical scheme's implementation, this internal exhaust system that is provided with of switch board, exhaust system can realize for the purpose of the inside cooling of switch board body 1, and is concrete, sends into switch board body 1 through cooling fan 22 via first vent 21 extraction external cold air, and hot-air is from second vent 23 discharge switch board body 1, and the cooling to switch board body 1 just can be realized to the heat dissipation process circulation is reciprocal like this.
During rainy day, rain-proof ceiling 3 covers the top of locating switch board body 1 for switch board body 1 separation rainwater, make the rainwater can't get into switch board body 1's inside by second ventilation opening 23.
Humidity transducer can detect the humidity in the air, can set up humidity transducer in switch board body 1's inside, when this humidity transducer detects the inside air humidity of switch board body 1 and surpasss the setting value, can send control signal, and this control signal is used for controlling cooling fan 22 and stops to avoid the further rising of air humidity in the switch board body 1. Also can set up humidity transducer in the bottom of switch board body 1, this humidity transducer just can detect the air humidity of first vent 21 department so, if the humidity of this position reaches the setting value of sensor, then humidity transducer will signals, this signal is used for the reversal of drive control cooling fan 22, exhaust system changes into from the inside extraction air of switch board body 1, and then in cold air got into switch board body 1 by second vent 23, hot-air was discharged by first vent 21. If set up humidity transducer in switch board body 1's top, arrange the below of rain-proof ceiling 3 in, then can detect the air humidity of second ventilation opening 23 department, rainy back cooling blower 22 reverses, by the inside extraction air of switch board body 1, cold air is by in second ventilation opening 23 entering switch board body 1, detect this position air humidity and surpass the setting value when setting up the humidity transducer at switch board body 1 top, just it also surpasss the requirement just to mean the air humidity of second ventilation opening 23 department, inadaptation reentrant to the switch board in, this humidity transducer can output signal then, this signal is used for stopping cooling blower 22.
In this embodiment, preferably, the bottom of the power distribution cabinet body 1 is further provided with a plurality of legs 4.
In this embodiment, preferably, at least one humidity sensor is provided.
If set up a humidity transducer then this humidity transducer can set up in the inside of switch board body 1, if set up a plurality of humidity transducer, then a plurality of sensor cooperations just can realize more accurate control to cooling blower 22. Different controls can be performed on the heat dissipation motor 22 according to the judgment on the working environment, so that more accurate regulation and control on heat dissipation and moisture prevention can be realized, and a better heat dissipation and moisture prevention optimal effect can be achieved.
In this embodiment, preferably, two humidity sensors are provided, and the two humidity sensors are respectively located at the bottom of the power distribution cabinet body 1 and the top of the power distribution cabinet body 1.
The humidity sensor located at the bottom of the power distribution cabinet body 1 can detect the humidity of the air near the first vent 21, and the moist air is prevented from entering the power distribution cabinet body 1. The humidity sensor at the top of the power distribution cabinet body 1 can detect the air humidity at the position of the second air vent 23, if the air humidity at the position also exceeds the requirement, the heat radiation fan 22 needs to be stopped, then the exhaust system can be suspended to work, and the exhaust system can be restarted until the air humidity is recovered to a proper range.
In this embodiment, preferably, the humidity sensor located at the bottom of the power distribution cabinet body 1 is set as the first humidity sensor 61, and is configured to detect whether the humidity exceeds a set value, and control the cooling fan 22 to rotate forward and backward according to the detection result.
The control of the cooling fan 22 is a relatively simple control, and is in consideration of factors such as cost, and a PLC control program is not set in this embodiment. Referring to the control circuit diagram of the cooling fan 22 shown in fig. 2, the humidity sensors are common humidity sensors, the output current is required to control the controllers, each humidity sensor controls one controller, and when the humidity sensor outputs a signal, the signal is input to the controller, and the controller operates. Humidity transducer embeds has humidity control range, surpasss when actual by measuring ambient humidity and sets for the humidity value after, humidity transducer can output signal to this output signal can remain throughout, resumes to being less than and sets for the humidity value until being measured ambient humidity, and this humidity transducer just can stop output signal.
SB1 in fig. 2 is an exhaust system start button, and when the button is pressed, the coil of KM2 is energized and attracted, KM2 is closed, the cooling fan 22 is started, and the exhaust system starts to operate. If meet rainy day, along with ambient environment humidity rising, the ambient humidity that first humidity transducer 61 detected can be close gradually and finally is greater than first humidity transducer 61's the humidity that sets up, then first humidity transducer 61 will output signal, and first humidity transducer 61 meets controller CGQ1 and makes CGQ1 closed, and then the KM1 coil is electrified, and the KM1 main contact is closed, and cooling fan 22 reverses. If the ambient humidity is always greater than the set desired humidity, the first humidity sensor 61 will maintain the signal output, i.e., CGQ1 is always closed. Until the second humidity sensor 62 detects that the air humidity at the top of the power distribution cabinet body 1 is greater than a set value, a signal is output, the signal drives the controller CGQ2 to act, namely, the normally closed contact of the CGQ2 is disconnected, and the cooling fan 22 stops rotating. So far, exhaust system stop work begins to carry out dampproofing protection to switch board body 1.
After the rain stops, the air humidity gradually decreases, and in the process of decreasing the air humidity, firstly, the air humidity detected by the second humidity sensor 62 is lower than a set value, the second humidity sensor 62 does not output a signal any more, the CGQ2 is recovered to be in a normally closed state, and the first humidity sensor 61 still outputs a signal, that is, the CGQ1 is still in a closed state, and the cooling fan 22 starts to rotate reversely.
Subsequently, the ambient humidity detected by the first humidity sensor 61 also drops below the set value, so that the CGQ1 no longer sends a signal, but the motor still keeps rotating reversely because the KM1 coil is already attracted during the motor rotating reversely. That is, the radiator fan 22 is always kept in the reversed state after the rain. Therefore, the radiator fan 22 rotates forward only when the worker presses the exhaust system start button SB1 again after the rain.
In this embodiment, preferably, the humidity sensor located at the top of the power distribution cabinet body 1 is set as the second humidity sensor 62, and is used for detecting whether the humidity exceeds a set value or not, and controlling the start and stop of the cooling fan 22 according to the detection result.
If the second humidity sensor 62 detects that the air humidity at the top of the power distribution cabinet body 1 is greater than a set value, a signal is sent out, the signal is used for driving the normally closed controller CGQ2 to be disconnected, and the heat radiation fan 22 stops.
After the air humidity at the top of the power distribution cabinet body 1 is smaller than the set value, the second humidity sensor 62 no longer outputs a signal, the controller CGQ2 is restored to a normally closed state, and the cooling fan 22 is started.
In this embodiment, preferably, the rain-proof ceiling 3 is provided to extend outward to cover the top area of the power distribution cabinet body 1, and a gas buffer area is formed between the rain-proof ceiling 3 and the power distribution cabinet body 1.
Can set up rain-proof ceiling 3 into the form of pinnacle, perhaps have certain clearance between other and the switch board body 1 to can form a confined space's form, make to be formed with the gas buffer area between rain-proof ceiling 3 and the switch board body 1, when cooling fan 22 reverses, this gas buffer area can be used for carrying out the forced air cooling to switch board body 1 provides dry gas.
In this embodiment, a desiccant 51 is preferably provided within the gas buffer region to dehumidify the air within the gas buffer region.
The dehumidifying agent 51 is arranged in the gas buffer area, so that a larger amount of dry gas can be supplied for air cooling the power distribution cabinet body, and the long-term effect and the continuity of heat dissipation are guaranteed to the maximum extent.
In this embodiment, it is preferable that a filter device 52 is provided outside the first ventilation opening 21.
The filtering device 52 can filter dust and the like in the air, and prevent the dust and the like from entering the power distribution cabinet body 1.
In this embodiment, the filtering device 52 is preferably removably connected to the cabinet body 1.
The filter unit 52 needs to be replaced periodically and is designed to be removable to facilitate replacement.
The above description is provided for the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be implemented by various simple modifications, which all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. The utility model provides a two-way carminative switch board which characterized in that, the switch board includes: a power distribution cabinet body (1), a rainproof ceiling (3) and an exhaust system, wherein,
the rainproof ceiling (3) covers the top of the power distribution cabinet body (1) and is used for blocking rainwater from the power distribution cabinet body (1);
the exhaust system includes: the power distribution cabinet comprises a humidity sensor, a heat dissipation fan (22), a first ventilation opening (21) and a second ventilation opening (23), wherein the first ventilation opening (21) is formed in the bottom of the power distribution cabinet body (1), and blades of the heat dissipation fan (22) are located in the first ventilation opening (21); the second ventilation opening (23) is positioned at the top of the power distribution cabinet body (1), and the first ventilation opening (21) and the second ventilation opening (23) form an airflow channel;
the humidity sensor is electrically connected with the cooling fan (22) and used for controlling the turning and starting and stopping of the cooling fan (22).
2. The cabinet for bi-directional exhaust of gases according to claim 1, characterized in that the bottom of the cabinet body (1) is also provided with a plurality of legs (4).
3. The bi-directional exhausting switch board of claim 1, wherein at least one humidity sensor is provided.
4. The cabinet for bi-directional exhaust of gases according to claim 3, characterized in that there are two said humidity sensors, two said humidity sensors being located at the bottom of said cabinet body (1) and at the top of said cabinet body (1), respectively.
5. The switch board of two-way exhaust of claim 4, characterized in that the humidity sensor at the bottom of the switch board body (1) is set as a first humidity sensor (61) for detecting whether the air humidity at the position exceeds a set value, and controlling the cooling fan (22) to rotate reversely according to the detection result.
6. The switch board of two-way exhaust of claim 4, characterized in that, the humidity sensor that is located the top of switch board body (1) sets up to second humidity transducer (62), is used for detecting whether this position air humidity exceeds the setting value to according to the start-stop of detection result control cooling blower (22).
7. A bi-directional de-airing power distribution cabinet according to claim 1, characterized in that the rain-proof roof (3) is arranged to extend outwardly to cover the top area of the cabinet body (1), and that a gas buffer zone is formed between the rain-proof roof (3) and the cabinet body (1).
8. The switch board of claim 7, characterized in that a desiccant (51) is disposed in the gas buffer area for dehumidifying air in the gas buffer area.
9. The cabinet for bi-directional exhaust of gases according to claim 1, characterized in that outside of said first ventilation opening (21) there is provided a filtering device (52).
10. The cabinet for bi-directional exhaust of gases according to claim 9, characterized in that said filtering means (52) are removably connected to said cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222145781.6U CN218732456U (en) | 2022-08-15 | 2022-08-15 | Two-way exhaust switch board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222145781.6U CN218732456U (en) | 2022-08-15 | 2022-08-15 | Two-way exhaust switch board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218732456U true CN218732456U (en) | 2023-03-24 |
Family
ID=85629332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222145781.6U Active CN218732456U (en) | 2022-08-15 | 2022-08-15 | Two-way exhaust switch board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218732456U (en) |
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2022
- 2022-08-15 CN CN202222145781.6U patent/CN218732456U/en active Active
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