CN205622110U - Be provided with filter screen blocking alarm device's switch board - Google Patents
Be provided with filter screen blocking alarm device's switch board Download PDFInfo
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- CN205622110U CN205622110U CN201620356632.6U CN201620356632U CN205622110U CN 205622110 U CN205622110 U CN 205622110U CN 201620356632 U CN201620356632 U CN 201620356632U CN 205622110 U CN205622110 U CN 205622110U
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- cabinet
- alarm device
- collection tube
- drainage screen
- pressure collection
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Abstract
The utility model discloses a be provided with filter screen blocking alarm device's switch board, the intelligent cabinet temperature adjusting device comprises a cabinet body, the internal low pressure control system that is provided with of cabinet, filter screen blocking alarm device and radiator fan, the louvre has been seted up to cabinet body lower part, the outside of the cabinet body is provided with the screen panel, the inboard of the cabinet body is provided with the filter screen, cabinet internal gas pressure collection pipe sets up in the internal portion of cabinet, the one end opening of cabinet internal gas pressure collection pipe and the first entry that pressure difference switch is connected to the other end, the one end opening of the outer atmospheric pressure collection pipe of cabinet just sets up externally at the cabinet through the trachea perforation of offering on the cabinet body, pressure difference switch's the second entrance is connected to the other end of the outer atmospheric pressure collection pipe of cabinet, pressure difference switch's signal output part connection director, controller control connection alarm device. The utility model discloses whether the pressure differential that can utilize the filter screen both sides stops up the filter screen is monitored, stops to cause the equipment accident because of filter screen blocking leads to the fact the inside yin gaowen of switch board.
Description
Technical field
This utility model relates to low-voltage distribution cabinet field, particularly relates to a kind of power distribution cabinet being provided with drainage screen obstruction alarm device.
Background technology
At present, current low-voltage distribution cabinet is typically made up of supporting low voltage control system, cooling system；Cooling system is made up of radiator fan, heat dissipation ventilation guard and drainage screen, drainage screen mainly prevents dust from entering inside power distribution cabinet, when power distribution cabinet runs, outside air is sucked power distribution cabinet through drainage screen by fan, reduce power distribution cabinet internal heat generation component temperature, reach purpose of lowering the temperature, but owing to fan operates for a long time, the dust of external environment is constantly deposited on drainage screen, drainage screen is caused to block, control in-cabinet temperature owing to not dispelling the heat in time, the most then cause electric controling element high temperature failure, heavy then cause the major accidents such as fire.
Utility model content
The purpose of this utility model is to provide a kind of power distribution cabinet being provided with drainage screen obstruction alarm device, it is possible to utilizes the pressure reduction on drainage screen both sides whether to block drainage screen and is monitored, and stops because drainage screen blocking causes inside power distribution cabinet because high temperature causes equipment breakdown.
This utility model employing following technical proposals:
nullA kind of power distribution cabinet being provided with drainage screen obstruction alarm device，Including cabinet，Low voltage control system and drainage screen obstruction alarm device it is provided with in cabinet，Cabinet is internally provided with radiator fan，Cabinet bottom offers louvre，The outside of cabinet is provided with guard in louvre position，The inner side of cabinet is provided with drainage screen in louvre position，Drainage screen obstruction alarm device includes cabinet internal gas pressure collection tube、The outer air pressure collection tube of cabinet、Pressure difference switch、Controller and alarm device，Cabinet internal gas pressure collection tube is arranged on inside cabinet，The one end open of cabinet internal gas pressure collection tube，The other end of cabinet internal gas pressure collection tube connects the first entrance of pressure difference switch，The one end open of the outer air pressure collection tube of cabinet and being arranged on outside cabinet by the trachea perforation being opened on cabinet，The other end of the outer air pressure collection tube of cabinet connects the second entrance of pressure difference switch，The signal output part of pressure difference switch connects controller，Controller controls to connect alarm device.
Described cabinet internal gas pressure collection tube is arranged on inside cabinet by cabinet internal gas pressure collection tube support, and the opening of cabinet internal gas pressure collection tube is rectified drainage screen.
The outer air pressure collection tube of described cabinet is arranged on inside cabinet by the outer air pressure collection tube support of cabinet, and the opening of the outer air pressure collection tube of cabinet is positioned at below the guard arranged outside cabinet.
The perforation of described trachea is provided with sealing device.
Described sealing device uses sealing ring.
Described alarm device uses acoustic-optic alarm.
Described acoustic-optic alarm is arranged on cabinet outer surface.
In this utility model, cabinet internal gas pressure collection tube can accurate acquisition cabinet air pressure inside；The outer air pressure collection tube of cabinet can cabinet external pressure, when the dust of external environment is constantly deposited in and causes drainage screen to block on drainage screen, the inside and outside pressure reduction of cabinet will be gradually increased, the pressure reduction inside and outside once cabinet arrives the alarm threshold value set, pressure difference switch outputs signal to controller, controller controls alarm device and starts to report to the police, remind staff that drainage screen is replaced, to avoid too high due to cabinet internal temperature and the electric controling element that causes damages and the major accident such as fire.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is made with detailed description:
As it is shown in figure 1, the power distribution cabinet being provided with drainage screen obstruction alarm device described in the utility model, including cabinet 1, in cabinet 1, it is provided with low voltage control system, to realize low voltage control function.Cabinet 1 is internally provided with radiator fan 2, and cabinet 1 bottom offers louvre, and the outside of cabinet 1 is provided with guard 3 in louvre position, and the inner side of cabinet 1 is provided with drainage screen 4 in louvre position.It is internal that outside air is sucked cabinet 1 through drainage screen 4 by radiator fan 2, then is discharged cabinet 1 by radiator fan 2, is used for reducing power distribution cabinet internal heat generation component temperature, reaches purpose of lowering the temperature.This utility model also has additional drainage screen obstruction alarm device, is used for detecting drainage screen 4 whether blockage phenomenon.Drainage screen obstruction alarm device includes the outer air pressure collection tube 6 of cabinet internal gas pressure collection tube 5, cabinet, pressure difference switch 7, controller and alarm device.
It is internal that cabinet internal gas pressure collection tube 5 is arranged on cabinet 1, and the one end open of cabinet internal gas pressure collection tube 5 is used for gathering cabinet 1 air pressure inside signal, and the other end of cabinet internal gas pressure collection tube 5 connects the first entrance of pressure difference switch 7；The one end open of the outer air pressure collection tube 6 of cabinet and being arranged on outside cabinet 1 by the trachea perforation being opened on cabinet 1, is used for gathering cabinet 1 external pressure signal, and the other end of the outer air pressure collection tube 6 of cabinet connects the second entrance of pressure difference switch 7.The signal output part of pressure difference switch 7 connects controller, and pressure difference switch 7 can use air pressure difference switch 7.Controller controls to connect alarm device.
In the present embodiment, it is internal that cabinet internal gas pressure collection tube 5 is arranged on cabinet 1 by cabinet internal gas pressure collection tube support 8, and the setting of cabinet internal gas pressure collection tube support 8 ensure that the working stability of cabinet internal gas pressure collection tube 5.The opening of cabinet internal gas pressure collection tube 5 is rectified drainage screen 4, the air pressure at accurate acquisition cabinet 1 self-filtering net 4.
It is internal that the outer air pressure collection tube 6 of described cabinet is arranged on cabinet 1 by the outer air pressure collection tube support 9 of cabinet, and the setting of the outer air pressure collection tube support 9 of cabinet ensure that the working stability of the outer air pressure collection tube 6 of cabinet.The opening of the outer air pressure collection tube 6 of cabinet is positioned at below the guard 3 arranged outside cabinet 1, for gathering with cabinet internal gas pressure collection tube 5 corresponding position i.e. air pressure outside drainage screen 4.
This utility model in use, rectify drainage screen 4, it is possible to the air pressure at accurate acquisition cabinet 1 self-filtering net 4 by the opening of cabinet internal gas pressure collection tube 5；The opening of the outer air pressure collection tube 6 of cabinet is positioned at below the guard 3 arranged outside cabinet 1, can gather and the air pressure outside the i.e. drainage screen 4 in cabinet internal gas pressure collection tube 5 corresponding position, when the dust of external environment is constantly deposited on drainage screen 4 and causes drainage screen 4 to block, the inside and outside pressure reduction of cabinet 1 will be gradually increased, the pressure reduction inside and outside once cabinet 1 arrives the alarm threshold value set, pressure difference switch 7 outputs signal to controller, controller controls alarm device and starts to report to the police, to avoid too high due to cabinet 1 internal temperature and the electric controling element that causes damages and the major accident such as fire.
In order to ensure cabinet 1 cleaning inside, in the present embodiment, trachea perforation is provided with sealing device, and sealing device can use sealing ring 10.Alarm device uses the acoustic-optic alarm being arranged on cabinet 1 outer surface, it is simple to efficiently and rapidly reminds and blocks at staff's drainage screen 4.
Claims (7)
- null1. the power distribution cabinet being provided with drainage screen obstruction alarm device，It is characterized in that: include cabinet，Low voltage control system and drainage screen obstruction alarm device it is provided with in cabinet，Cabinet is internally provided with radiator fan，Cabinet bottom offers louvre，The outside of cabinet is provided with guard in louvre position，The inner side of cabinet is provided with drainage screen in louvre position，Drainage screen obstruction alarm device includes cabinet internal gas pressure collection tube、The outer air pressure collection tube of cabinet、Pressure difference switch、Controller and alarm device，Cabinet internal gas pressure collection tube is arranged on inside cabinet，The one end open of cabinet internal gas pressure collection tube，The other end of cabinet internal gas pressure collection tube connects the first entrance of pressure difference switch，The one end open of the outer air pressure collection tube of cabinet and being arranged on outside cabinet by the trachea perforation being opened on cabinet，The other end of the outer air pressure collection tube of cabinet connects the second entrance of pressure difference switch，The signal output part of pressure difference switch connects controller，Controller controls to connect alarm device.
- The power distribution cabinet being provided with drainage screen obstruction alarm device the most according to claim 1, it is characterised in that: described cabinet internal gas pressure collection tube is arranged on inside cabinet by cabinet internal gas pressure collection tube support, and the opening of cabinet internal gas pressure collection tube is rectified drainage screen.
- The power distribution cabinet being provided with drainage screen obstruction alarm device the most according to claim 1, it is characterized in that: the outer air pressure collection tube of described cabinet is arranged on inside cabinet by the outer air pressure collection tube support of cabinet, the opening of the outer air pressure collection tube of cabinet is positioned at below the guard arranged outside cabinet.
- The power distribution cabinet being provided with drainage screen obstruction alarm device the most according to claim 1, it is characterised in that: the perforation of described trachea is provided with sealing device.
- The power distribution cabinet being provided with drainage screen obstruction alarm device the most according to claim 4, it is characterised in that: described sealing device uses sealing ring.
- The power distribution cabinet being provided with drainage screen obstruction alarm device the most according to claim 1, it is characterised in that: described alarm device uses acoustic-optic alarm.
- The power distribution cabinet being provided with drainage screen obstruction alarm device the most according to claim 6, it is characterised in that: described acoustic-optic alarm is arranged on cabinet outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620356632.6U CN205622110U (en) | 2016-04-26 | 2016-04-26 | Be provided with filter screen blocking alarm device's switch board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620356632.6U CN205622110U (en) | 2016-04-26 | 2016-04-26 | Be provided with filter screen blocking alarm device's switch board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205622110U true CN205622110U (en) | 2016-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620356632.6U Active CN205622110U (en) | 2016-04-26 | 2016-04-26 | Be provided with filter screen blocking alarm device's switch board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205622110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111867321A (en) * | 2019-12-31 | 2020-10-30 | 国网河南省电力公司检修公司 | Case temperature control device |
-
2016
- 2016-04-26 CN CN201620356632.6U patent/CN205622110U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111867321A (en) * | 2019-12-31 | 2020-10-30 | 国网河南省电力公司检修公司 | Case temperature control device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |