System for ventilating and cooling power cabin by using clear water cabin

Abstract

The utility model discloses a system for ventilating and cooling an electric power cabin by using a clear water cabin, and relates to the technical field of ventilating and cooling of the electric power cabin. The utility model discloses a comprehensive pipe gallery, air shaft, air feeder, exhaust fan, reversible double-speed fan, a plurality of electric volume damper and a plurality of sensor, the cabin includes power cable cabin and clear water cabin, the both ends of power cable cabin and clear water cabin are equipped with air shaft and exhaust shaft, and fan chambers for mounting an air feeder, an exhaust fan and a reversible double-speed fan are arranged at the connecting sections of the power cable cabin, the clean water cabin and the air feeding shaft as well as the exhaust shaft. According to the comprehensive pipe gallery monitoring system, temperature sensors, hydrogen sulfide sensors, methane sensors and oxygen sensors are arranged to monitor the air state inside and outside the comprehensive pipe gallery; and different control modes are realized by changing the rotating speed and direction of the reversible double-speed fan. When the outdoor temperature is high in summer, high-temperature gas in the power cable cabin is fed into the clean water cabin, clean water flowing in the clean water pipe is used for taking away heat generated by the cable, and the purpose of saving energy is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ventilation and cooling of electric power cabins, and in particular relates to a system for ventilating and cooling electric power cabins by utilizing a clean water cabin. Background Art

[0002] As an important part of modern urban infrastructure, the integrated pipeline corridor aims to provide a unified pipeline transportation channel for the city's electricity, communications, gas, water supply and other public service systems in the form of underground tunnels. The construction of the integrated pipeline corridor can not only effectively utilize the city's underground space and reduce the occupation of ground space, but also avoid frequent road excavation and the chaos of overhead wire networks, and improve the efficiency and aesthetics of urban management.

[0003] Cables of various voltage levels are installed in the power compartment. When the cables are running in a closed environment, they will generate a lot of heat, causing the temperature inside the tunnel to gradually increase.

[0004] In the high temperature environment in summer, it is uneconomical and energy-inefficient to directly introduce untreated outdoor air as a cold source to cool the power cabin. In view of this, the present utility model is proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a system for ventilating and cooling an electric power compartment by utilizing a clean water compartment.

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0007] A system for ventilating and cooling a power cabin using a clean water cabin, comprising a comprehensive pipe gallery, an air shaft, a blower, an exhaust fan, a reversible two-speed blower, a plurality of electric air volume regulating valves and a plurality of sensors, wherein the cabin comprises a power cable cabin and a clean water cabin, and an air shaft and an exhaust shaft are arranged at both ends of the power cable cabin and the clean water cabin, and a blower room for installing a blower, an exhaust fan and a reversible two-speed blower is arranged at the connection section between the power cable cabin and the clean water cabin and the air shaft and the exhaust shaft, the blower and the exhaust fan ventilate the power cable cabin, and the reversible two-speed blower ventilates the clean water cabin, the first two-speed blower and the blower are connected by an air duct, and the exhaust fan and the second two-speed blower are connected by an air duct;

[0008] The fan room includes a first fan room and a second fan room, the first fan room is connected to the air supply shaft, the second fan room is connected to the air exhaust shaft, the first fan room is provided with a first double-speed fan and a supply fan, the second fan room is provided with an exhaust fan and a second double-speed fan;

[0009] A plurality of sensors are arranged in the power cable compartment, the clean water compartment and outdoors, and a plurality of electric air volume regulating valves are arranged in the fan room, and all of them are connected to the central control system circuit;

[0010] The plurality of electric air volume regulating valves include a first electric air volume regulating valve, a second electric air volume regulating valve, a third electric air volume regulating valve, a fourth electric air volume regulating valve, a fifth electric air volume regulating valve and a sixth electric air volume regulating valve;

[0011] The plurality of sensors include a first temperature sensor, a first hydrogen sulfide sensor, a first methane sensor, a first oxygen sensor, a second temperature sensor, a second hydrogen sulfide sensor, a second methane sensor, a second oxygen sensor, and a third temperature sensor.

[0012] Optionally, the air supply fan is arranged inside the first fan room, and the air supply fan is used to supply air to the power cable compartment, and the air volume of the air supply fan is a. The first two-speed fan supplies and exhausts air to the fresh water compartment, and the air volume of the first two-speed fan is a / b. The normal working condition of the first two-speed fan is the air supply state, and the normal air volume of the first two-speed fan is b.

[0013] Optionally, the exhaust fan is arranged inside the second fan room, the exhaust fan is used to exhaust the power cable compartment, and the air volume of the exhaust fan is a, the second two-speed fan is used to supply and exhaust air to the fresh water compartment, and the air volume of the second two-speed fan is a / b, the normal working condition of the second two-speed fan is the exhaust state, and the normal air volume of the second two-speed fan is b.

[0014] Optionally, the bottom plates of the power cable compartment and the clean water compartment are both provided with louvered air vents and electric smoke exhaust fire dampers.

[0015] Optionally, the first two-speed fan is interlocked with the first electric air volume regulating valve and the second electric air volume regulating valve, the supply fan is interlocked with the second electric air volume regulating valve and the third electric air volume regulating valve, the exhaust fan is interlocked with the fourth electric air volume regulating valve and the fifth electric air volume regulating valve, and the second two-speed fan is interlocked with the fifth electric air volume regulating valve and the sixth electric air volume regulating valve.

[0016] Optionally, the first two-speed fan is connected to the supply fan via a second electric air volume regulating valve, and the second two-speed fan is connected to the exhaust fan via a fifth electric air volume regulating valve.

[0017] Optionally, the first temperature sensor, the first hydrogen sulfide sensor, the first methane sensor and the first oxygen sensor are all arranged inside the power cable compartment and close to the side wall of the blower, the second temperature sensor, the second hydrogen sulfide sensor, the second methane sensor and the second oxygen sensor are all arranged inside the fresh water compartment and close to the side wall of the first two-speed blower, and the third temperature sensor is arranged on the wall of the air supply shaft close to the louver window.

[0018] Optionally, the central control system is arranged in the first fan room, and the first temperature sensor, the first hydrogen sulfide sensor, the first methane sensor, the first oxygen sensor, the second temperature sensor, the second hydrogen sulfide sensor, the second methane sensor, the second oxygen sensor, the third temperature sensor and the first electric air volume regulating valve, the second electric air volume regulating valve, the third electric air volume regulating valve, the fourth electric air volume regulating valve, the fifth electric air volume regulating valve, the sixth electric air volume regulating valve, the supply fan, the exhaust fan, the first two-speed fan, and the second two-speed fan are all connected to the central control system circuit.

[0019] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0020] The system is equipped with temperature, hydrogen sulfide, methane, and oxygen sensors to monitor the air conditions inside and outside the integrated pipe gallery, and realizes different control modes by changing the speed and direction of the reversible two-speed fan. In summer, when the outdoor temperature is high, the high-temperature gas in the power cable compartment is sent to the clean water compartment, and the clean water flowing in the clean water pipe takes away the heat generated by the cable, thereby achieving the purpose of energy saving.

[0021] The specific implementation modes of the present utility model are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0023] In the figure:

[0024] Figure 1 It is a schematic diagram of the parts structure of the utility model;

[0025] Figure 2 It is a schematic diagram of the workflow of the utility model.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1. Power cable compartment; 2. Fresh water compartment; 3. First two-speed fan; 4. Supply fan; 5. Exhaust fan; 6. Second two-speed fan; 7. First electric air volume regulating valve; 8. Second electric air volume regulating valve; 9. Third electric air volume regulating valve; 10. Fourth electric air volume regulating valve; 11. Fifth electric air volume regulating valve; 12. Sixth electric air volume regulating valve; 13. First temperature sensor; 14. First hydrogen sulfide sensor; 15. First methane sensor; 16. First oxygen sensor; 17. Second temperature sensor; 18. Second hydrogen sulfide sensor; 19. Second methane sensor; 20. Second oxygen sensor; 21. Third temperature sensor; 22. First fan room; 23. Second fan room; 24. Supply air shaft; 25. Exhaust air shaft; 26. Central control system; 27. Electric smoke exhaust fire damper; 28. Shutter air vent; 29. ​​Shutter window.

[0028] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0029] The utility model is now described in further detail with reference to the accompanying drawings.

[0030] See also Figure 1 to Figure 2 The utility model provides a technical solution: a system for ventilating and cooling a power cabin by using a clean water cabin, comprising an integrated pipe gallery, an air shaft, a blower 4, an exhaust fan 5, a first double-speed blower 3, a second double-speed blower 6, a plurality of electric air volume regulating valves and a plurality of sensors. The integrated pipe gallery cabin comprises a power cable cabin 1 and a clean water cabin 2. An air shaft 24 and an exhaust shaft 25 are respectively arranged at both ends of the power cable cabin 1 and the clean water cabin 2. A blower room for installing blowers 4, exhaust fans 5, first double-speed blowers 3 and second double-speed blowers 6 is arranged at the connection section between the power cable cabin 1 and the clean water cabin 2 and the air shaft 24 and the exhaust shaft 25. The blower 4 and the exhaust fan 5 ventilate the power cable cabin 1, and the first double-speed blower 3 and the second double-speed blower 6 ventilate the clean water cabin 2. The first double-speed blower 3 and the blower 4 are connected by an air duct, and the exhaust fan 5 and the second double-speed blower 6 are connected by an air duct.

[0031] The fan room includes a first fan room 22 and a second fan room 23. The first fan room 22 is connected to the air supply shaft 24, and the second fan room 23 is connected to the exhaust shaft 25. The first fan room 22 is provided with a first double-speed fan 3 and a supply fan 4, and the second fan room 23 is provided with an exhaust fan 5 and a second double-speed fan 6.

[0032] Multiple sensors are arranged inside the power cable compartment 1 and the clean water compartment 2, and multiple electric air volume regulating valves and a first double-speed fan 3, a supply fan 4, an exhaust fan 5, and a second double-speed fan 6 are arranged in the fan room, and all are connected to the central control system 26 circuit through wires;

[0033] The plurality of electric air volume regulating valves include a first electric air volume regulating valve 7, a second electric air volume regulating valve 8, a third electric air volume regulating valve 9, a fourth electric air volume regulating valve 10, a fifth electric air volume regulating valve 11 and a sixth electric air volume regulating valve 12;

[0034] The multiple sensors include a first temperature sensor 13, a first hydrogen sulfide sensor 14, a first methane sensor 15, a first oxygen sensor 16, a second temperature sensor 17, a second hydrogen sulfide sensor 18, a second methane sensor 19, a second oxygen sensor 20 and a third temperature sensor 21. When the outdoor temperature is high in summer, the utility model sends the high-temperature gas in the power cable compartment 1 into the clean water compartment 2, and uses the clean water flowing in the clean water pipe to take away the heat generated by the cable, thereby achieving the purpose of energy saving.

[0035] Among them, the power cable compartment 1 is provided with a first temperature sensor 13, a first hydrogen sulfide sensor 14, a first methane sensor 15 and a first oxygen sensor 16. The first temperature sensor 13, the first hydrogen sulfide sensor 14, the first methane sensor 15 and the first oxygen sensor 16 are all electrically connected to the central control system 26. According to the above technical scheme, when it is detected that the temperature in the power cable compartment exceeds 39 degrees, or the hydrogen sulfide content is ≥10ppm, or the methane content in the air is ≥3.5%, or the volume percentage of oxygen is <18%, the blower 4 and the exhaust fan 5 are turned on to ventilate and cool the power cable compartment 1 with fresh outdoor air.

[0036] Among them, the clean water tank 2 is provided with a second hydrogen sulfide sensor 18, a second methane sensor 19, and a second oxygen sensor 20. The second hydrogen sulfide sensor 18, the second methane sensor 19 and the second oxygen sensor 20 are all electrically connected to the central control system 26. According to the above technical scheme, when the clean water tank detects that the hydrogen sulfide content is ≥10ppm, or the methane content in the air is ≥3.5%, or the volume percentage of oxygen is <18%, the first two-speed fan 3 and the second two-speed fan 6 are turned on to ventilate the clean water tank 2 with outdoor fresh air.

[0037] Among them, a second temperature sensor 17 is arranged in the clean water tank 2, and a third temperature sensor 21 is arranged outdoors. The second temperature sensor 17 and the third temperature sensor 21 are both connected to the central control system 26. According to the above technical scheme, when the temperature of the second temperature sensor 17 is lower than the temperature of the third temperature sensor 21, the cold air in the clean water tank 2 is used to cool the power tunnel; when the temperature of the second temperature sensor 17 is higher than the temperature of the third temperature sensor 21, the outdoor air is used to cool the power tunnel.

[0038] Among them, the first two-speed fan 3 and the second two-speed fan 6 are reversible two-speed fans. According to the above technical solution, the working condition can be changed by changing the speed and direction of the fan.

[0039] Among them, electric smoke exhaust fire dampers 27 are installed at the bottom plate of the air duct passing through the fan room. According to the above technical scheme, when a fire occurs in the power tunnel, the electric smoke exhaust fire dampers are automatically closed to suffocate the power tunnel. When the fire is extinguished and the temperature drops, the fan is turned on for ventilation.

[0040] The specific usage and function of this embodiment are as follows:

[0041] Under normal working conditions, the fan and the air valve are both in a closed state. When the first hydrogen sulfide sensor 14 detects that the content of hydrogen sulfide in the air is ≥10ppm, or the first methane sensor 15 detects that the content of methane in the air is ≥3.5%, or the first oxygen sensor 16 detects that the volume percentage of oxygen is <18%, the second electric air volume regulating valve 8 is closed, the third electric air volume regulating valve 9 is opened, and the air supply fan 4 is opened in a chain, the fifth electric air volume regulating valve 11 is closed, the fourth electric air volume regulating valve 10 is opened, and the exhaust fan 5 is opened in a chain to ventilate the power cable compartment 1;

[0042] When the second hydrogen sulfide sensor 18 detects that the content of hydrogen sulfide in the air is ≥10ppm, or the second methane sensor 19 detects that the content of methane in the air is ≥3.5%, or the second oxygen sensor 20 detects that the volume percentage of oxygen is <18%, the second electric air volume regulating valve 8 is closed, the first electric air volume regulating valve 7 is opened, and the first two-speed fan 3 is opened in a chain, the fifth electric air volume regulating valve 11 is closed, the sixth electric air volume regulating valve 12 is opened, and the second two-speed fan 6 is opened in a chain to ventilate the fresh water tank 2.

[0043] When the first temperature sensor 13 detects that the temperature in the power cable compartment 1 is greater than or equal to 39 degrees, the temperature fed back to the central control system 26 by the second temperature sensor 17 and the third temperature sensor 21 is compared, and the operation mode of the fan is controlled:

[0044] When the temperature fed back to the central control system by the third temperature sensor 21 is less than or equal to the temperature of the second temperature sensor 17, the second electric air volume regulating valve 8 and the fifth electric air volume regulating valve 11 are closed, the third electric air volume regulating valve 9 and the fourth electric air volume regulating valve 10 are opened, and the air supply fan 4 and the exhaust fan 5 are opened in a chain manner to ventilate and heat the power cable compartment 1;

[0045] When the temperature fed back to the central control system by the third temperature sensor 21 is greater than the temperature of the second temperature sensor 17, the first two-speed fan 3 and the second two-speed fan 6 can be reversed, the first two-speed fan 3 is reversed to become an exhaust fan, and the second two-speed fan 6 is reversed to become a supply fan, and the air volume is changed to a. The first electric air volume regulating valve 7, the third electric air volume regulating valve 9, the fourth electric air volume regulating valve 10, and the sixth electric air volume regulating valve 12 are closed, the second electric air volume regulating valve 8 and the fifth electric air volume regulating valve 11 are opened, and the supply fan 4, the exhaust fan 5, the first two-speed fan 3, and the second two-speed fan 6 are opened in a chain manner to ventilate and exchange heat for the power cable compartment 1.

[0046] The present invention is not limited to the above-mentioned implementation modes. Anyone should be aware of the structural changes made under the inspiration of the present invention. Any technical solution that is the same or similar to the present invention falls within the protection scope of the present invention. The technology, shape, and structure that are not described in detail in the present invention are all known technologies.

Claims

1. A system for ventilating and cooling a power compartment using a clean water tank, characterized in that: The utility model comprises an integrated pipe gallery, an air shaft, a blower (4), an exhaust fan (5), a first two-speed blower (3), a second two-speed blower (6), a plurality of electric air volume regulating valves and a plurality of sensors. The integrated pipe gallery cabin comprises a power cable cabin (1) and a clean water cabin (2). A blower shaft (24) and an exhaust shaft (25) are respectively arranged at the two ends of the power cable cabin (1) and the clean water cabin (2). A blower room for installing blowers is arranged at the connection section between the power cable cabin (1) and the clean water cabin (2) and the blower shaft (24) and the exhaust shaft (25). The blower (4) and the exhaust fan (5) ventilate the power cable cabin (1). The first two-speed blower (3) and the second two-speed blower (6) ventilate the clean water cabin (2). The first two-speed blower (3) and the blower (4) are connected via an air duct. The exhaust fan (5) and the second two-speed blower (6) are connected via an air duct. The fan room comprises a first fan room (22) and a second fan room (23); the first fan room (22) is connected to an air supply shaft (24), and the second fan room (23) is connected to an air exhaust shaft (25); a first double-speed fan (3) and a supply fan (4) are arranged inside the first fan room (22), and an exhaust fan (5) and a second double-speed fan (6) are arranged inside the second fan room (23); A plurality of electric air volume regulating valves and a plurality of sensors are arranged inside the power cable compartment (1) and the clean water compartment (2); the first two-speed fan (3), the air supply fan (4), the exhaust fan (5) and the second two-speed fan (6) are all connected to the circuit of the central control system (26) through wires; the plurality of electric air volume regulating valves include a first electric air volume regulating valve (7), a second electric air volume regulating valve (8), a third electric air volume regulating valve (9), a fourth electric air volume regulating valve (10), a fifth electric air volume regulating valve (11) and a sixth electric air volume regulating valve (12); The multiple sensors include a first temperature sensor (13), a first hydrogen sulfide sensor (14), a first methane sensor (15), a first oxygen sensor (16), a second temperature sensor (17), a second hydrogen sulfide sensor (18), a second methane sensor (19), a second oxygen sensor (20) and a third temperature sensor (21).

2. A system for ventilating and cooling the power compartment by using a clean water tank according to claim 1, characterized in that: The blower (4) is arranged inside the first blower room (22), and is used to supply air to the power cable compartment (1), and the air volume of the blower (4) is a; the first two-speed blower (3) supplies and exhausts air to the clean water compartment (2), and the air volume of the first two-speed blower (3) is a / b; the first two-speed blower (3) is normally in an air supply state, and the normal air volume of the first two-speed blower (3) is b.

3. A system for ventilating and cooling the power compartment by using a clean water tank according to claim 1, characterized in that: The exhaust fan (5) is arranged inside the second fan room (23), and is used to exhaust air from the power cable compartment (1), and the air volume of the exhaust fan (5) is a. The second two-speed fan (6) is used to supply and exhaust air from the clean water compartment (2), and the air volume of the second two-speed fan (6) is a / b. The normal working condition of the second two-speed fan (6) is the exhaust state, and the normal air volume of the second two-speed fan (6) is b.

4. A system for ventilating and cooling a power compartment by using a clean water tank according to claim 1, characterized in that: The bottom plates of the power cable compartment (1) and the clean water compartment (2) are both provided with louvered air vents (28) and electric smoke exhaust fire dampers (27).

5. The system for ventilating and cooling the power compartment by using a clean water tank according to claim 1, characterized in that: The first two-speed fan (3) is interlocked with the first electric air volume regulating valve (7) and the second electric air volume regulating valve (8), the supply fan (4) is interlocked with the second electric air volume regulating valve (8) and the third electric air volume regulating valve (9), the exhaust fan (5) is interlocked with the fourth electric air volume regulating valve (10) and the fifth electric air volume regulating valve (11), and the second two-speed fan (6) is interlocked with the fifth electric air volume regulating valve (11) and the sixth electric air volume regulating valve (12).

6. The system for ventilating and cooling the power compartment by using a clean water tank according to claim 1, characterized in that: The first two-speed fan (3) and the supply fan (4) are connected via a second electric air volume regulating valve (8), and the second two-speed fan (6) and the exhaust fan (5) are connected via a fifth electric air volume regulating valve (11).

7. The system for ventilating and cooling the power compartment by using a clean water tank according to claim 1, characterized in that: The first temperature sensor (13), the first hydrogen sulfide sensor (14), the first methane sensor (15) and the first oxygen sensor (16) are all arranged inside the power cable compartment (1) and close to the side wall of the blower (4); the second temperature sensor (17), the second hydrogen sulfide sensor (18), the second methane sensor (19) and the second oxygen sensor (20) are all arranged inside the clean water compartment (2) and close to the side wall of the first dual-speed blower (3); and the third temperature sensor (21) is arranged on the wall of the air supply shaft (24) close to the louver window (29).

8. The system for ventilating and cooling the power compartment by using a clean water tank according to claim 1, characterized in that: The central control system (26) is arranged in the first fan room (22); the first temperature sensor (13), the first hydrogen sulfide sensor (14), the first methane sensor (15), the first oxygen sensor (16), the second temperature sensor (17), the second hydrogen sulfide sensor (18), the second methane sensor (19), the second oxygen sensor (20), the third temperature sensor (21), the electric air volume regulating valve (7), the second electric air volume regulating valve (8), the third electric air volume regulating valve (9), the fourth electric air volume regulating valve (10), the fifth electric air volume regulating valve (11), and the sixth electric air volume regulating valve (12) are all connected to the circuit of the central control system (26).

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