CN216553243U - Become distribution room ventilation adjusting device - Google Patents
Become distribution room ventilation adjusting device Download PDFInfo
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- CN216553243U CN216553243U CN202123118537.2U CN202123118537U CN216553243U CN 216553243 U CN216553243 U CN 216553243U CN 202123118537 U CN202123118537 U CN 202123118537U CN 216553243 U CN216553243 U CN 216553243U
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- ventilation
- air conditioner
- distribution room
- exhaust fan
- normally open
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Abstract
The utility model discloses a ventilation regulating device of a power transformation and distribution room, which belongs to the technical field of power transformation and distribution rooms, and comprises a cabinet air conditioner, wherein the cabinet air conditioner is arranged in the power transformation and distribution room, and the ventilation regulating device also comprises: the ventilation and air-conditioning automatic switching control device is electrically connected with the cabinet air conditioner and captures the outdoor temperature and the indoor temperature of a power transformation and distribution room in real time; the exhaust fan and an electric normally open air valve connected with the exhaust fan are electrically connected with the ventilation and air-conditioning automatic switching control device; an electric normally open air valve at the vent of the external wall shutter is electrically connected with the automatic ventilation and air conditioner switching control device; the utility model can automatically select natural ventilation, mechanical ventilation, air-conditioning cooling and other modes according to the change of indoor and outdoor temperature, and helps the power transformation and distribution room to ventilate and cool, so that the room temperature is controlled in an interval favorable for normal operation of electrical equipment, and the power utilization safety is ensured.
Description
Technical Field
The utility model relates to the technical field of power transformation and distribution rooms, in particular to a ventilation adjusting device for a power transformation and distribution room.
Background
At present, the transformation and distribution rooms in a building are basically provided with ventilation and cooling facilities such as natural ventilation shutters, exhaust fans 11, split air conditioners and the like, but because the property management is not in place and the equipment integration control is not complete, a plurality of transformation and distribution rooms are either completely in an air-conditioning and cooling state or the indoor temperature exceeds the set temperature of electrical equipment, and the ventilation and cooling facilities are already placed and do not play the due roles at all.
Outdoor temperature is higher in summer in southern areas of China, the heat productivity of transformers and power distribution cabinets in power transformation and distribution rooms is large, and if the transformers and the power distribution cabinets are not ventilated and cooled in time, the potential safety hazard of power utilization is large. Therefore, there is a need for a ventilation adjusting device for a power distribution room, which controls the indoor temperature to help the power distribution room to ventilate and cool, so that the room temperature is controlled in an interval favorable for the normal operation of electrical equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a ventilation regulating device for a power transformation and distribution room, which solves the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a become distribution room ventilation adjusting device, includes cabinet air conditioner, cabinet air conditioner locates in becoming the distribution room, still includes:
the automatic ventilation and air-conditioning switching control device is electrically connected with the cabinet air conditioner and captures the outdoor temperature and the indoor temperature of a power transformation and distribution room in real time;
the exhaust fan is arranged on the wall of the power transformation and distribution room and is connected with an electric normally open air valve, and the electric normally open air valve connected with the exhaust fan and the exhaust fan is electrically connected with the automatic ventilation and air-conditioning switching control device;
the outer wall shutter ventilation opening is arranged on the wall of the power transformation and distribution room, the outer wall shutter ventilation opening is connected with an electric normally open air valve, and the electric normally open air valve at the outer wall shutter ventilation opening is electrically connected with an automatic ventilation and air conditioner switching control device.
As a further scheme of the utility model: the number of the outer wall louver ventilation openings is a plurality.
As a further scheme of the utility model: the outer wall shutter ventilation openings comprise air inlet shutter ventilation openings and air exhaust shutter ventilation openings.
As a further scheme of the utility model: the ventilation and air-conditioning automatic switching control device comprises:
a housing;
the exhaust fan air switch is arranged on the shell and is electrically connected with the exhaust fan, an electric normally open air valve connected with the exhaust fan and an electric normally open air valve connected with the outer wall shutter ventilation opening;
the first alternating current contactor is arranged on the shell and electrically connected with the air switch of the exhaust fan;
the thermal relay is arranged on the shell and used for overload protection of electric appliances and circuits;
the PLC is arranged on the shell and used for controlling a temperature adjusting mode;
the fuse is arranged on the shell and used for current protection of a circuit;
the cabinet air conditioner power switch is arranged on the shell and connected with the cabinet air conditioner and used for controlling the power supply of the cabinet air conditioner;
and the second alternating current contactor is arranged on the shell and is electrically connected with the cabinet air conditioner power switch.
As a further scheme of the utility model: ta is indoor temperature setting value among the temperature regulation mode of PLC control, Tb is the outdoor maximum temperature value that adopts natural draft, Tc is the outdoor maximum temperature value that adopts mechanical draft, the temperature regulation mode of PLC4 control includes:
the first mode is as follows: when T1 is less than or equal to Tb, natural ventilation is adopted;
and a second mode: when Tb is less than T1 and less than Tc, the exhaust fan is automatically started and mechanical ventilation is adopted;
and a third mode: when T1 is more than Tc, the electric normally open air valve of the louver air vents on the inner and outer walls of the room is automatically closed, the cabinet air conditioner is started to cool, when the indoor temperature is reduced to Ta, the cabinet air conditioner 9 is stopped to operate, and the temperature difference set value between Ta and Tc is more than 2 ℃.
Compared with the prior art, the utility model has the beneficial effects that: the utility model can automatically select natural ventilation, mechanical ventilation, air-conditioning cooling and other modes according to the change of indoor and outdoor temperatures, and helps to ventilate and cool the power transformation and distribution room, so that the room temperature is controlled in an interval favorable for normal operation of electrical equipment, and the power utilization safety is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a ventilation regulating device of a power transformation and distribution room.
Fig. 2 is a schematic structural diagram of an automatic ventilation and air conditioner switching control device in a ventilation adjusting device of a power transformation and distribution room.
Notations for reference numerals: the system comprises an exhaust fan air switch 1, an alternating current contactor I2, a thermal relay 3, a PLC4, a fuse 5, a cabinet air conditioner power switch 6, an alternating current contactor II 7, a shell 8, a cabinet air conditioner 9, an automatic ventilation and air conditioner switching control device 10, an exhaust fan 11, an outer wall shutter ventilation opening 12 and an electric normally open air valve 13.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As an embodiment of the present invention, please refer to fig. 1 to fig. 2: the utility model provides a become distribution room ventilation adjusting device, includes cabinet air conditioner 9, cabinet air conditioner 9 locates in becoming the distribution room, still includes:
the automatic ventilation and air-conditioning switching control device 10 is electrically connected with the cabinet air conditioner 9, and the automatic ventilation and air-conditioning switching control device 10 captures the outdoor temperature and the indoor temperature of the power transformation and distribution room in real time;
the exhaust fan 11 is arranged on the wall of the power transformation and distribution room, the exhaust fan 11 is connected with an electric normally open air valve 13, and the exhaust fan 11 and the electric normally open air valve 13 connected at the exhaust fan 11 are electrically connected with the ventilation and air-conditioning automatic switching control device 10;
outer wall tripe vent 12, outer wall tripe vent 12 is located on the transformer substation power distribution room wall, outer wall tripe vent 12 is connected with electronic normally open blast gate 13, the electronic normally open blast gate 13 of the department of outer wall tripe vent 12 with ventilate and air conditioner automatic switching controlling means 10 electricity is connected, the number of outer wall tripe vent 12 is a plurality of, outer wall tripe vent 12 includes air inlet tripe vent and the tripe vent of airing exhaust.
As an embodiment of the present invention, please refer to fig. 1 to fig. 2: the ventilation and air-conditioning automatic switching control device 10 includes:
a housing 8;
the exhaust fan air switch 1 is arranged on the shell 8, and the exhaust fan air switch 1 is electrically connected with the exhaust fan 11, an electric normally open air valve 13 connected with the exhaust fan 11 and an electric normally open air valve 13 connected with the outer wall shutter ventilation opening 12;
the alternating current contactor I2 is arranged on the shell 8, and the alternating current contactor I2 is electrically connected with the exhaust fan air switch 1;
the thermal relay 3 is arranged on the shell 8 and is used for overload protection of electric appliances and circuits;
a PLC4, wherein the PLC4 is arranged on the shell 8 and is used for controlling a temperature regulation mode;
the fuse 5 is arranged on the shell 8 and used for current protection of a circuit;
the cabinet air conditioner power switch 6 is arranged on the shell 8, and the cabinet air conditioner power switch 6 is connected with the cabinet air conditioner 9 and used for controlling the power supply of the cabinet air conditioner 9;
and the second alternating current contactor 7 is arranged on the shell 8, and the second alternating current contactor 7 is electrically connected with the cabinet air conditioner power switch 6.
Ta is indoor temperature setting value among the temperature regulation mode of PLC4 control, Tb is the outdoor highest temperature value that adopts natural draft, Tc is the outdoor highest temperature value that adopts mechanical draft, the temperature regulation mode of PLC4 control includes:
the first mode is as follows: when T1 is less than or equal to Tb, natural ventilation is adopted;
and a second mode: when Tb is less than T1 and less than Tc, the exhaust fan 11 is automatically started and mechanical ventilation is adopted;
and a third mode: when T1 is more than Tc, the electric normally open air valve 13 of the louver air vents 12 on the inner and outer walls of the room is automatically closed, the cabinet air conditioner 9 is started to cool, when the indoor temperature is reduced to Ta, the cabinet air conditioner 9 is stopped to run, and the temperature difference set value between Ta and Tc is more than 2 ℃.
The working principle is as follows: the automatic ventilation and air conditioning switching control device 10 can capture the outdoor temperature and the indoor temperature of the power distribution room in real time, and control the indoor temperature regulation mode according to the indoor and outdoor temperatures, mode one: when T1 is less than or equal to Tb, natural ventilation is adopted; and a second mode: when Tb is less than T1 and less than Tc, the exhaust fan 11 is automatically started and mechanical ventilation is adopted; and a third mode: when T1 is more than Tc, the electric normally open air valve 13 of the louver air vents 12 on the inner and outer walls of the room is automatically closed, the cabinet air conditioner 9 is started to cool, when the indoor temperature is reduced to Ta, the cabinet air conditioner 9 is stopped to run, the temperature difference set value between Ta and Tc is more than 2 ℃, the room temperature is controlled in an interval which is beneficial to normal operation of electrical equipment, and the electricity utilization safety is ensured.
Claims (5)
1. The utility model provides a become distribution room ventilation adjusting device, includes cabinet air conditioner, its characterized in that, cabinet air conditioner locates in becoming the distribution room, still includes:
the automatic ventilation and air-conditioning switching control device is electrically connected with the cabinet air conditioner and captures the outdoor temperature and the indoor temperature of a power transformation and distribution room in real time;
the exhaust fan is arranged on the wall of the power transformation and distribution room and is connected with an electric normally open air valve, and the electric normally open air valve connected with the exhaust fan and the exhaust fan is electrically connected with the automatic ventilation and air-conditioning switching control device;
the outer wall shutter ventilation opening is arranged on the wall of the power transformation and distribution room, the outer wall shutter ventilation opening is connected with an electric normally open air valve, and the electric normally open air valve at the outer wall shutter ventilation opening is electrically connected with an automatic ventilation and air conditioner switching control device.
2. The ventilation regulating device of the power transformation and distribution room as claimed in claim 1, wherein the number of the louver ventilation openings on the outer wall is several.
3. The variable distribution room ventilation regulating device as claimed in claim 2, wherein the outer wall louver vents comprise air intake louver vents and air exhaust louver vents.
4. The ventilation regulating device of the power transformation and distribution room as claimed in claim 1, wherein the ventilation and air-conditioning automatic switching control device comprises:
a housing;
the exhaust fan air switch is arranged on the shell and is electrically connected with the exhaust fan, an electric normally open air valve connected with the exhaust fan and an electric normally open air valve connected with the outer wall shutter ventilation opening;
the first alternating current contactor is arranged on the shell and electrically connected with the air switch of the exhaust fan;
the thermal relay is arranged on the shell and used for overload protection of electric appliances and circuits;
the PLC is arranged on the shell and used for controlling a temperature adjusting mode;
the fuse is arranged on the shell and used for current protection of a circuit;
the cabinet air conditioner power switch is arranged on the shell and connected with the cabinet air conditioner and used for controlling the power supply of the cabinet air conditioner;
and the second alternating current contactor is arranged on the shell and is electrically connected with the cabinet air conditioner power switch.
5. The ventilation regulating device for the power transformation and distribution room as claimed in claim 4, wherein in the temperature regulating mode controlled by the PLC, Ta is an indoor temperature set value, Tb is an outdoor maximum temperature value adopting natural ventilation, and Tc is an outdoor maximum temperature value adopting mechanical ventilation, and the temperature regulating mode controlled by the PLC comprises:
the first mode is as follows: when T1 is less than or equal to Tb, natural ventilation is adopted;
and a second mode: when Tb is less than T1 and less than Tc, the exhaust fan is automatically started and mechanical ventilation is adopted;
and a third mode: when T1 is more than Tc, the electric normally open air valve of the louver air vents on the inner and outer walls of the room is automatically closed, the cabinet air conditioner is started to cool, when the indoor temperature is reduced to Ta, the cabinet air conditioner is stopped to run, and the temperature difference set value between Ta and Tc is more than 2 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123118537.2U CN216553243U (en) | 2021-12-13 | 2021-12-13 | Become distribution room ventilation adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123118537.2U CN216553243U (en) | 2021-12-13 | 2021-12-13 | Become distribution room ventilation adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216553243U true CN216553243U (en) | 2022-05-17 |
Family
ID=81541133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123118537.2U Active CN216553243U (en) | 2021-12-13 | 2021-12-13 | Become distribution room ventilation adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216553243U (en) |
-
2021
- 2021-12-13 CN CN202123118537.2U patent/CN216553243U/en active Active
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