Environmental detection control box suitable for power plant SFC control room

Abstract

The utility model belongs to the technical field of control cabinets, and particularly relates to a power plant SFC control room environment detection control box comprising a cabinet body which is internally provided with a first cabinet chamber and a second cabinet chamber. An oxygen content analyzer, a hydrogen content analyzer, a carbon dioxide content analyzer, a sulfur dioxide content analyzer, a nitrogen dioxide content analyzer and a hydrogen sulfide analyzer are arranged in the first cabinet chamber, a hygrothermograph is arranged in the second cabinet chamber, and a first movable door and a second movable door are arranged on the front face of the cabinet body. A PLC is arranged on the front face of the second movable door. According to the control room, the content of hydrogen, oxygen, carbon dioxide, sulfur dioxide, nitrogen dioxide and hydrogen sulfide in the control room can be monitored in real time, the static variable-frequency starting device is controlled through the PLC according to the environmental condition, the workload of workers is relieved, and practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of control cabinets, and in particular relates to an environmental detection control box suitable for an SFC control room of a power plant. Background Art

[0002] The environment of the SFC control room of a power plant has a great influence on the operation of the static frequency conversion starting device. Therefore, it is necessary to monitor the environmental conditions and then adjust the operation of the equipment according to the actual environmental conditions. The traditional environmental detection method is to install corresponding detection equipment in the control room, and then the workers manually control the static frequency conversion starting device according to the detection structure of the detection equipment. On the one hand, this method will increase the burden on the workers, and on the other hand, it is impossible to control the static frequency conversion starting device according to the real-time situation of the environment. For this reason, an environmental detection control box suitable for the SFC control room of a power plant is proposed. Utility Model Content

[0003] In order to solve the problems raised in the above background technology, the utility model provides an environmental detection control box suitable for an SFC control room of a power plant.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a control box for environmental detection of an SFC control room of a power plant, comprising a cabinet, a first cabinet chamber and a second cabinet chamber are arranged in the cabinet, a first exhaust fan and a second exhaust fan corresponding to the first cabinet chamber and the second cabinet chamber are embedded in the top of the cabinet, a first air duct connected to the first exhaust fan is arranged in the first cabinet chamber, six branch pipes are fixedly connected to the first air duct, each of the branch pipes is provided with a needle valve, and the six needle valves are respectively connected to an oxygen content analyzer, a hydrogen content analyzer, a carbon dioxide content analyzer, a sulfur dioxide content analyzer, a nitrogen dioxide content analyzer and a hydrogen sulfide analyzer, a touch screen is arranged in the first cabinet chamber, a second air duct connected to the second exhaust fan is arranged in the second cabinet chamber, and the second air duct is connected to the second exhaust fan. A solenoid valve is arranged on the air duct, and the other end of the second air duct is connected to a thermometer and hygrometer. The front of the cabinet is movably connected with a first movable door and a second movable door through a hinge, and the fronts of the first movable door and the second movable door are fixedly connected with handles. A first lifting door is sleeved in the first movable door, and two first electric push rods are arranged in the first movable door, and the driving ends of the two first electric push rods are connected to the first lifting door. A second lifting door is sleeved in the second movable door, and two second electric push rods are arranged in the second movable door, and the driving ends of the two second electric push rods are connected to the second lifting door. Exhaust fans are embedded on the left and right sides of the cabinet, and ventilation windows are arranged on the left and right sides of the cabinet. Four mounting frames are fixedly installed in the cabinet by bolts, and a wire trough frame is arranged in the cabinet.

[0005] Preferably, the first lifting door is provided with a first observation window and a plurality of second observation windows, and the second movable door is provided with a third observation window.

[0006] Preferably, a PLC controller is provided on the second movable door.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] The utility model can monitor the contents of hydrogen, oxygen, carbon dioxide, sulfur dioxide, nitrogen dioxide and hydrogen sulfide in the control room in real time, and control the static frequency conversion starting device through the PLC controller according to environmental conditions, thereby reducing the workload of workers and having strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0010] Figure 1 It is a structural schematic diagram of the utility model in front view section;

[0011] Figure 2 It is a structural schematic diagram of the utility model in a front view;

[0012] Figure 3 It is a schematic diagram of the structure of the rear section of the utility model;

[0013] In the figure: 1. cabinet; 2. second exhaust fan; 3. second air duct; 4. oxygen content analyzer; 5. hydrogen content analyzer; 6. first air duct; 7. needle valve; 8. branch pipe; 9. carbon dioxide content analyzer; 10. first cabinet; 11. sulfur dioxide content analyzer; 12. exhaust fan; 13. nitrogen dioxide content analyzer; 14. hydrogen sulfide analyzer; 15. touch screen; 16. second observation window; 17. first lifting door; 18. first movable door; 19. first exhaust fan; 20. first observation window; 21. first electric push rod; 22. second electric push rod; 23. ventilation window; 24. second movable door; 25. second lifting door; 26. third observation window; 27. solenoid valve; 28. second cabinet; 29. ​​thermometer and hygrometer; 30. PLC controller; 31. handle; 32. wire trough rack; 33. mounting rack. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0015] See also Figure 1-3 The utility model provides the following technical solutions: a control box for environmental detection of an SFC control room in a power plant, comprising a cabinet 1, wherein a first cabinet chamber 10 and a second cabinet chamber 28 are arranged in the cabinet 1, and a first exhaust fan 19 and a second exhaust fan 2 corresponding to the first cabinet chamber 10 and the second cabinet chamber 28 are embedded in the top of the cabinet 1, a first air duct 6 connected to the first exhaust fan 19 is arranged in the first cabinet chamber 10, six branch pipes 8 are fixedly connected to the first air duct 6, each of the branch pipes 8 is provided with a needle valve 7, and the six needle valves 7 are respectively connected to an oxygen content analyzer 4, a hydrogen content analyzer 5, a carbon dioxide content analyzer 9, a sulfur dioxide content analyzer 11, a nitrogen dioxide content analyzer 13 and a hydrogen sulfide analyzer 14, a touch screen 15 is arranged in the first cabinet chamber 10, a second air duct 3 connected to the second exhaust fan 2 is arranged in the second cabinet chamber 28, and a second air duct 3 is provided on the second air duct 3 solenoid valve 27, the other end of the second air duct 3 is connected to a thermometer and hygrometer 29, the front of the cabinet 1 is movably connected with a first movable door 18 and a second movable door 24 through a hinge, the front of the first movable door 18 and the second movable door 24 are fixedly connected with a handle 31, the first movable door 18 is sleeved with a first lifting door 17, the first movable door 18 is provided with two first electric push rods, the driving ends of the two first electric push rods are connected to the first lifting door 17, the second movable door 24 is sleeved with a second lifting door 25, the second movable door 24 is provided with two second electric push rods 22, the driving ends of the two second electric push rods 22 are connected to the second lifting door 25, the left and right sides of the cabinet 1 are embedded with exhaust fans 12, the left and right sides of the cabinet 1 are provided with ventilation windows 23, four mounting frames 33 are fixedly installed in the cabinet 1 by bolts, and a wire trough frame 32 is provided in the cabinet 1.

[0016] Specifically, the first lifting door 17 is provided with a first observation window 20 and a plurality of second observation windows 16 , and the second movable door 24 is provided with a third observation window 26 .

[0017] Specifically, a PLC controller 30 is provided on the second movable door 24 .

[0018] The working principle and use process of the utility model: when in use, the operation of the device can be controlled by the PLC controller 30, the first exhaust fan 19 and the second exhaust fan 2 extract indoor air and transport it to the first air duct 6 and the second air duct 3, the first air duct 6 guides the air to the corresponding detection equipment through the branch pipe 8, the needle valve 7 can control the circulation of the branch pipe 8, the second air duct 3 can guide the air to the thermometer and hygrometer 29, the solenoid valve 27 can control the circulation of the second air duct 3, and then the oxygen content analyzer 4, the hydrogen content analyzer 5, the carbon dioxide content analyzer 9, the sulfur dioxide content analyzer 11, the nitrogen dioxide content analyzer 13 and the hydrogen sulfide analyzer 14 can be used to monitor the contents of hydrogen, oxygen, carbon dioxide, sulfur dioxide, nitrogen dioxide and hydrogen sulfide in the air in real time, the temperature and humidity of the air can be detected by the thermometer and hygrometer 29, the detection structure is displayed by the touch screen 15, which is convenient for workers to check, and the PLC controller 30 can control the static frequency conversion starting device based on the environmental detection structure, so as to achieve a better starting effect.

[0019] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A control box for environmental detection in a SFC control room of a power plant, comprising a cabinet (1), characterized in that: The cabinet body (1) is provided with a first cabinet chamber (10) and a second cabinet chamber (28); a first exhaust fan (19) and a second exhaust fan (2) corresponding to the first cabinet chamber (10) and the second cabinet chamber (28) are embedded in the top of the cabinet body (1); a first air duct (6) connected to the first exhaust fan (19) is provided in the first cabinet chamber (10); six branch pipes (8) are fixedly connected to the first air duct (6); each branch pipe (8) is provided with a needle valve (7); the six needle valves (7) are connected to the first air duct (6); ) are respectively connected to an oxygen content analyzer (4), a hydrogen content analyzer (5), a carbon dioxide content analyzer (9), a sulfur dioxide content analyzer (11), a nitrogen dioxide content analyzer (13) and a hydrogen sulfide analyzer (14); a touch screen (15) is arranged in the first cabinet (10); a second air duct (3) connected to the second exhaust fan (2) is arranged in the second cabinet (28); a solenoid valve (27) is arranged on the second air duct (3); another portion of the second air duct (3) is provided with a solenoid valve (27); One end is connected to a thermometer and hygrometer (29); the front of the cabinet (1) is movably connected to a first movable door (18) and a second movable door (24) through hinges; the fronts of the first movable door (18) and the second movable door (24) are both fixedly connected to handles (31); a first lifting door (17) is sleeved in the first movable door (18); two first electric push rods are arranged in the first movable door (18); the driving ends of the two first electric push rods are connected to the first lifting door (17); a second lifting door (25) is sleeved in the second movable door (24); two second electric push rods (22) are arranged in the second movable door (24); the driving ends of the two second electric push rods (22) are connected to the second lifting door (25); exhaust fans (12) are embedded in the left and right sides of the cabinet (1); ventilation windows (23) are arranged on the left and right sides of the cabinet (1); four mounting frames (33) are fixedly installed in the cabinet (1) by bolts; and a wire trough frame (32) is arranged in the cabinet (1).

2. According to claim 1, a control box for environmental detection in a SFC control room of a power plant, characterized in that: The first lifting door (17) is provided with a first observation window (20) and a plurality of second observation windows (16), and the second movable door (24) is provided with a third observation window (26).

3. The environmental detection control box for the SFC control room of a power plant according to claim 1, characterized in that: The second movable door (24) is provided with a PLC controller (30).

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