Ventilation cooling system of water plant power distribution room

Abstract

The utility model discloses a ventilation cooling system of a water plant power distribution room, which comprises an outer circulation system and an inner circulation system, the outer circulation system comprises a fan and an electric air valve which are arranged outside the water plant power distribution room, and an outer circulation air inlet pipeline and an outer circulation air outlet pipeline; the outer circulation air inlet pipeline comprises a first part for communicating an air outlet of the fan with an air inlet of the electric air valve and a second part for communicating an air outlet of the electric air valve with indoor air of the power distribution room of the water plant; the external circulation air outlet pipeline comprises a first part used for communicating indoor air and outdoor air of the water plant power distribution room and a second part used for communicating the indoor air and an air inlet of the electric air valve of the water plant power distribution room, and the internal circulation system is arranged in the water plant power distribution room and comprises an air conditioner and an internal circulation ventilation pipeline. The internal circulation ventilation pipeline comprises a first part used for communicating indoor air of a water plant power distribution room with an air conditioner air inlet and a second part used for communicating the indoor air of the water plant power distribution room with an air conditioner air outlet.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of power distribution room ventilation and cooling, and particularly relates to a ventilation and cooling system for a water plant power distribution room. BACKGROUND

[0002] The main equipment in the indoor room of the water plant power distribution room is a high-voltage frequency converter, and in order to ensure stable and safe operation of the high-voltage frequency converter, ventilation and cooling need to be performed on the indoor room of the water plant power distribution room in a timely manner, especially in hot summer, ventilation and cooling operation is particularly important. At present, the indoor cooling of the water plant power distribution room mainly adopts two kinds of comprehensive mechanical ventilation cooling mode and air conditioning cooling mode. The comprehensive mechanical ventilation cooling mode: ventilation and cooling can be said to be the most energy-saving treatment mode, which only needs to exchange the outdoor natural cool air with the indoor hot air by using a fan to achieve the purpose of cooling, although the system structure is simple, but the ventilation and cooling effect is poor and the energy consumption is large. The air conditioning cooling mode has good cooling effect, but the energy consumption is still large. CONTENT OF THE UTILITY MODEL

[0003] To solve the above technical problems, the utility model provides a ventilation and cooling system for a water plant power distribution room which combines mechanical ventilation and air conditioning internal circulation.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A ventilation and cooling system for a water plant power distribution room, which comprises an external circulation system and an internal circulation system,

[0006] The external circulation system comprises:

[0007] A fan is arranged outdoors of the water plant power distribution room,

[0008] An electric air valve is arranged outdoors of the water plant power distribution room,

[0009] An external circulation air inlet pipeline comprises a first part for connecting the air outlet of the fan and the air inlet of the electric air valve and a second part for connecting the indoor air of the water plant power distribution room and the air outlet of the electric air valve,

[0010] An external circulation air outlet pipeline comprises a first part for connecting the indoor air and the outdoor air of the water plant power distribution room and a second part for connecting the indoor air of the water plant power distribution room and the air inlet of the electric air valve,

[0011] The internal circulation system is arranged indoors of the water plant power distribution room and comprises:

[0012] An air conditioner,

[0013] The inner circulation ventilation pipeline comprises a first part for connecting indoor air of the water plant power distribution room with an air inlet of the air conditioner and a second part for connecting indoor air of the water plant power distribution room with an air outlet of the air conditioner.

[0014] Further, the fan is one or more, and the number of the electric air valve is the same as that of the fan, and each of the fan is communicated with one of the electric air valve.

[0015] Further, the outer circulation air inlet pipeline comprises a first pipeline, a second pipeline and a third pipeline, the first pipeline and the second pipeline are located outdoors of the water plant power distribution room, and the third pipeline is partially located outdoors of the water plant power distribution room and partially located indoors of the water plant power distribution room, the air inlet of the first pipeline is communicated with the air outlet of the fan, the air outlet of the first pipeline is communicated with the air inlet of the electric air valve, the air inlet of the second pipeline is communicated with the air outlet of the electric air valve, the air outlet of the second pipeline is communicated with the air inlet of the third pipeline, and the air outlet of the third pipeline is located indoors of the water plant power distribution room.

[0016] The outer circulation air outlet pipeline comprises a fourth pipeline, a fifth pipeline and a sixth pipeline, the fourth pipeline is partially located indoors of the water plant power distribution room and partially located outdoors of the water plant power distribution room, the fifth pipeline and the sixth pipeline are located outdoors of the water plant power distribution room, the air inlet of the fourth pipeline is located indoors of the water plant power distribution room, the air outlet of the fourth pipeline is communicated with the air inlet of the fifth pipeline, the air outlet of the fifth pipeline is communicated with the outside, the air inlet of the sixth pipeline is communicated with the fifth pipeline, and the air outlet of the sixth pipeline is communicated with the first pipeline.

[0017] Preferably, the electric air valve is arranged at the air outlet of the fifth pipeline and the air outlet of the sixth pipeline respectively to control the proportion of indoor air discharge and circulation. In summer with high temperature, the outer circulation system can be used to discharge all indoor air, while in other seasons with low temperature, the outer circulation system can be used to discharge part of indoor air and the other part of indoor air is returned to the first pipeline through the sixth pipeline to be returned to the indoor together with the air output by the fan, so that the energy consumption of the fan can be reduced and the system can be operated under low energy consumption condition.

[0018] Further, a plurality of the third pipelines are arranged along the extension direction of the second pipeline in sequence and at intervals, and a plurality of the fourth pipelines are arranged along the extension direction of the fifth pipeline in sequence and at intervals.

[0019] Further, a plurality of air outlets are arranged along the extension direction of the third pipeline in sequence and at intervals on the part of the third pipeline located indoors of the water plant power distribution room.

[0020] Furthermore, the internal circulation ventilation duct includes a seventh duct, an eighth duct, a ninth duct, and a tenth duct. The air inlet of the seventh duct is connected to the indoor air of the water plant's power distribution room. The air outlet of the seventh duct is connected to the air inlet of the eighth duct. The air outlet of the eighth duct is connected to the air inlet of the air conditioner. The air outlet of the air conditioner is connected to the air inlet of the ninth duct. The air outlet of the ninth duct is connected to the air inlet of the tenth duct. The air outlet of the tenth duct is connected to the indoor air of the water plant's power distribution room.

[0021] Furthermore, multiple seventh pipes are arranged at intervals along the extension direction of the eighth pipe, and multiple tenth pipes are arranged at intervals along the extension direction of the ninth pipe with multiple air outlets, and the ninth pipe is equipped with an electric air valve.

[0022] Furthermore, the ventilation and cooling system also includes a first air filter installed at the air outlet of the fan and a second air filter installed at the air inlet of the electric air valve.

[0023] Furthermore, the external circulation air inlet duct, the external circulation air outlet duct, and the internal circulation ventilation duct are all galvanized pipes.

[0024] Furthermore, the ventilation system also includes a PLC control system capable of controlling the fan, the electric air valve, and the air conditioner.

[0025] Due to the application of the above technical solution, this utility model has the following beneficial effects:

[0026] The ventilation and cooling system of the water plant power distribution room of this utility model organically combines mechanical external circulation ventilation and cooling and air conditioning internal circulation cooling. It can quickly cool down the water, and save energy and reduce consumption while ensuring stable and effective cooling, thus ensuring the efficient operation of the medium-voltage frequency converter in the water plant power distribution room. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the external circulation system of the ventilation and cooling system in the water plant's power distribution room, as shown in the embodiment.

[0028] Figure 2 This is a schematic diagram of the internal circulation system of the ventilation and cooling system in the water plant's power distribution room, as shown in the embodiment.

[0029] Wherein, 1, water plant distribution room; 21, fan; 22, electric air valve; 231, first pipeline; 232, second pipeline; 233, third pipeline; 2331, air outlet; 234, fourth pipeline; 235, fifth pipeline; 236, sixth pipeline; 241, first air filter; 242, second air filter; 31, air conditioner; 321, seventh pipe; 322, eighth pipeline; 323, ninth pipeline; 324, tenth pipeline; 3241, air outlet. DETAILED DESCRIPTION

[0030] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0031] In the description of the present application, it is to be understood that "first", "second", etc. are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first", "second", etc. can explicitly or implicitly include one or more of the features.

[0032] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing", etc. should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integral; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0033] In order to simplify the disclosure of the embodiments of the present application, the components and settings of specific examples are described hereinafter. Of course, they are only examples, and the purpose is not to limit the embodiments of the present application.

[0034] Embodiment

[0035] As shown in Figure 1 and Figure 2 The present embodiment provides a ventilation and cooling system for a water plant distribution room 1, which includes an external circulation system, an internal circulation system, and a PLC control system for controlling the operation of the devices in the external circulation system and the internal circulation system.

[0036] Specifically, the outer circulation system comprises a fan 21, an electric air valve 22, an outer circulation air inlet pipeline and an outer circulation air outlet pipeline, wherein the outer circulation air inlet pipeline comprises a first part for connecting the air outlet of the fan 21 and the air inlet of the electric air valve 22 and a second part for connecting the air outlet of the electric air valve 22 and the indoor air of the water plant power distribution room 1, and the outer circulation air outlet pipeline comprises a first part for connecting the indoor air of the water plant power distribution room 1 and the outdoor air and a second part for connecting the indoor air of the water plant power distribution room 1 and the air inlet of the electric air valve 22.

[0037] In the embodiment, the fan 21 and the electric air valve 22 are arranged outdoors of the power distribution room 1 of the water plant, the outer circulation air inlet pipeline comprises a first pipeline 231, a second pipeline 232 and a third pipeline 233, the first pipeline 231 and the second pipeline 232 are located outdoors of the power distribution room 1 of the water plant, and a part of the third pipeline 233 is located outdoors of the power distribution room 1 of the water plant and another part is located indoors of the power distribution room 1 of the water plant, the air inlet of the first pipeline 231 is connected with the air outlet of the fan 21, the air outlet of the first pipeline 231 is connected with the air inlet of the electric air valve 22, the air inlet of the second pipeline 232 is connected with the air outlet of the electric air valve 22, the air outlet of the second pipeline 232 is connected with the air inlet of the third pipeline 233, and the air outlet of the third pipeline 233 is located indoors of the power distribution room 1 of the water plant. The outer circulation air outlet pipeline comprises a fourth pipeline 234, a fifth pipeline 235 and a sixth pipeline 236, a part of the fourth pipeline 234 is located indoors of the power distribution room 1 of the water plant and another part is located outdoors of the power distribution room 1 of the water plant, the fifth pipeline 235 and the sixth pipeline 236 are located outdoors of the power distribution room 1 of the water plant, the air inlet of the fourth pipeline 234 is located indoors of the power distribution room 1 of the water plant, the air outlet of the fourth pipeline 234 is connected with the air inlet of the fifth pipeline 235, the air outlet of the fifth pipeline 235 is connected with the outside, the air inlet of the sixth pipeline 236 is connected with the fifth pipeline 235, and the air outlet of the sixth pipeline 236 is connected with the first pipeline 231. The three third pipelines 233 are sequentially and spacedly arranged along the extension direction of the second pipeline 232, the three fourth pipelines 234 are sequentially and spacedly arranged along the extension direction of the fifth pipeline 235, and a plurality of air outlets 2331 are sequentially and spacedly arranged along the extension direction of the third pipeline 233 on the part of the third pipeline 233 located indoors of the power distribution room 1 of the water plant. In order to ensure the ventilation and cooling effect, the number and arrangement mode of the third pipeline 233 and the fourth pipeline 234 can be adjusted according to the indoor space size, the indoor equipment heat production, the cooling degree requirement and the like, and the indoor equipment operation is not disturbed. The electric air valves 22 are arranged at the air outlets of the fifth pipeline 235 and the sixth pipeline 236 respectively, and the indoor air discharge proportion and the circulation proportion are controlled. In the summer with high temperature, the outer circulation system can be used for full sending and full discharging, that is, the indoor air is completely replaced, and in other seasons with low temperature, part of the indoor air can be discharged in a certain proportion and another part is returned to the first pipeline 231 through the sixth pipeline 236 to flow back to the indoor together with the air output by the fan 21, so that the energy consumption of the fan 21 is reduced and the system can operate in a low energy consumption condition.

[0038] In the embodiment, the number of the fans 21 is 2, and in other embodiments, one or more fans and electric air valves 22 can be selected and arranged according to actual needs, the number of the electric air valves 22 is the same as that of the fans 21, and each fan 21 is connected to one electric air valve 22. In the embodiment, a first air filter 241 is connected to the air outlet of each fan 21, and a second air filter 242 is connected to the air inlet of each electric air valve 22.

[0039] Specifically, the inner circulation system is arranged in the indoor space of the water plant power distribution room 1. The inner circulation system comprises the air conditioner 31 and an inner circulation ventilation duct. The inner circulation ventilation duct comprises a first part for connecting the indoor air of the water plant power distribution room 1 and the air inlet of the air conditioner 31 and a second part for connecting the indoor air of the water plant power distribution room 1 and the air outlet of the air conditioner 31.

[0040] In the embodiment, the inner circulation ventilation duct comprises the seventh duct 321, the eighth duct 322, the ninth duct 323 and the tenth duct 324, the air inlet of the seventh duct 321 is connected to the indoor air of the water plant power distribution room 1, the air outlet of the seventh duct 321 is connected to the air inlet of the eighth duct 322, the air outlet of the eighth duct 322 is connected to the air inlet of the air conditioner 31, the air outlet of the air conditioner 31 is connected to the air inlet of the ninth duct 323, the air outlet of the ninth duct 323 is connected to the air inlet of the tenth duct 324, and the air outlet of the tenth duct 324 is connected to the indoor air of the water plant power distribution room 1. Among them, three seventh ducts 321 are arranged along the extension direction of the eighth duct 322 in sequence and at intervals, three tenth ducts 324 are arranged along the extension direction of the ninth duct 323 in sequence and at intervals, a plurality of air outlets 3231 are arranged on the ninth duct 323, and an electric air valve is arranged on the ninth duct 323. Similarly, in order to ensure the ventilation and cooling effect, the number and arrangement of the seventh duct 321 and the tenth duct 324 can be adjusted according to the size of the indoor space, the heat production of the indoor equipment and the cooling degree requirement, as long as the operation of the indoor equipment is not affected.

[0041] The working principle of the ventilation and cooling system of the water plant power distribution room 1 in the embodiment is as follows:

[0042] In summer, when the temperature is relatively high, the outdoor air is filtered and sent to the indoor space through the outer circulation system, and the indoor air is discharged to the outdoor atmosphere, so that the room temperature is reduced to the expected state. After that, the outer circulation system can be stopped by the PLC control system, and the inner circulation system is switched on. In other seasons, the outer circulation system can be selected and adjusted according to the indoor and outdoor temperature, and the proportion of the indoor air discharged can be controlled by the PLC, and the rest of the air is recirculated to the indoor space through the sixth duct 236, so that the working condition is adjusted to a lower energy consumption.

[0043] The above examples are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A ventilation and cooling system for a power distribution room of a water plant, characterized by: The ventilation and cooling system of the power distribution room of the water plant comprises an outer circulation system and an inner circulation system, The outer circulation system comprises: a fan (21) arranged outdoors of the power distribution room (1) of the water plant, an electric wind valve (22) arranged outdoors of the power distribution room (1) of the water plant, an outer circulation air inlet pipeline comprising a first part for connecting the air outlet of the fan (21) and the air inlet of the electric wind valve (22) and a second part for connecting the air outlet of the electric wind valve (22) and the indoor air of the power distribution room (1) of the water plant, an outer circulation air outlet pipeline comprising a first part for connecting the indoor air and the outdoor air of the power distribution room (1) of the water plant and a second part for connecting the indoor air of the power distribution room (1) of the water plant and the air inlet of the electric wind valve (22), The inner circulation system is arranged indoors of the power distribution room (1) of the water plant, which comprises: an air conditioner (31), an inner circulation ventilation pipeline comprising a first part for connecting the indoor air of the power distribution room (1) of the water plant and the air inlet of the air conditioner (31) and a second part for connecting the indoor air of the power distribution room (1) of the water plant and the air outlet of the air conditioner (31).

2. The evaporative cooling system of claim 1, wherein: The fan (21) is one or more, and the number of the electric wind valve (22) is the same as that of the fan (21), and each fan (21) is connected to one electric wind valve (22).

3. The evaporative cooling system of claim 1, wherein, The outer circulation air inlet pipeline comprises a first pipeline (231), a second pipeline (232) and a third pipeline (233), the first pipeline (231) and the second pipeline (232) are located outdoors of the power distribution room (1) of the water plant, and part of the third pipeline (233) is located outdoors of the power distribution room (1) of the water plant and the other part is located indoors of the power distribution room (1) of the water plant, the air inlet of the first pipeline (231) is connected to the air outlet of the fan (21), the air outlet of the first pipeline (231) is connected to the air inlet of the electric wind valve (22), the air inlet of the second pipeline (232) is connected to the air outlet of the electric wind valve (22), the air outlet of the second pipeline (232) is connected to the air inlet of the third pipeline (233), and the air outlet of the third pipeline (233) is located indoors of the power distribution room (1) of the water plant, The outer circulation air outlet pipeline comprises a fourth pipeline (234), a fifth pipeline (235) and a sixth pipeline (236), a part of the fourth pipeline (234) is located indoors of the water plant power distribution room (1), another part is located outdoors of the water plant power distribution room (1), the fifth pipeline (235) and the sixth pipeline (236) are located outdoors of the water plant power distribution room (1), an air inlet of the fourth pipeline (234) is located indoors of the water plant power distribution room, an air outlet of the fourth pipeline (234) is connected with an air inlet of the fifth pipeline (235), an air outlet of the fifth pipeline (235) is connected with the outside, an air inlet of the sixth pipeline (236) is connected with the fifth pipeline (235), an air outlet of the sixth pipeline (236) is connected with the first pipeline (231), and the air outlets of the fifth pipeline (235) and the sixth pipeline (236) are respectively provided with electric air valves.

4. The evaporative cooling system of claim 3, wherein, A plurality of the third pipelines (233) are sequentially and spacedly arranged along the extension direction of the second pipeline (232), and a plurality of the fourth pipelines (234) are sequentially and spacedly arranged along the extension direction of the fifth pipeline (235).

5. The evaporative cooling system of claim 3 or 4, wherein, A plurality of air outlets (2331) are sequentially and spacedly arranged along the extension direction of the third pipeline (233) on the part of the third pipeline (233) located indoors of the water plant power distribution room (1).

6. The evaporative cooling system of claim 1, wherein, The inner circulation ventilation pipeline comprises a seventh pipeline (321), an eighth pipeline (322), a ninth pipeline (323) and a tenth pipeline (324), an air inlet of the seventh pipeline (321) is connected with indoor air of the water plant power distribution room (1), an air outlet of the seventh pipeline (321) is connected with an air inlet of the eighth pipeline (322), an air outlet of the eighth pipeline (322) is connected with an air inlet of the air conditioner (31), an air outlet of the air conditioner (31) is connected with an air inlet of the ninth pipeline (323), an air outlet of the ninth pipeline (323) is connected with an air inlet of the tenth pipeline (324), and an air outlet of the tenth pipeline (324) is connected with indoor air of the water plant power distribution room (1).

7. The evaporative cooling system of claim 6, wherein, A plurality of the seventh pipelines (321) are sequentially and spacedly arranged along the extension direction of the eighth pipeline (322), a plurality of the tenth pipelines (324) are sequentially and spacedly arranged along the extension direction of the ninth pipeline (323), a plurality of air outlets (3241) are sequentially and spacedly arranged along the extension direction of the tenth pipeline (324), and the ninth pipeline (323) is provided with an electric air valve.

8. The evaporative cooling system of claim 1, wherein: The ventilation and cooling system further comprises a first air filter (241) arranged at an air outlet of the fan (21) and a second air filter (242) arranged at an air inlet of the electric air valve (22).

9. The evaporative cooling system of claim 1, wherein: The outer circulation air inlet pipeline, the outer circulation air outlet pipeline and the inner circulation ventilation pipeline are respectively galvanized pipelines.

10. The evaporative cooling system of claim 1 or 8, wherein: The ventilation and cooling system further comprises a PLC control system capable of controlling the fan (21), the electric air valve (22) and the air conditioner (31).

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