Novel self-cleaning intelligent ventilation cooling system

Abstract

The utility model relates to the technical field of air purification, in particular to a novel self-cleaning intelligent ventilation cooling system. The self-cleaning intelligent ventilation cooling system comprises a ventilation mechanism used for controlling the temperature of the frequency converter chamber. The ventilation mechanism comprises a shell, a fresh air opening is formed in the top of the shell, an air outlet is formed in the bottom of the shell, the shell is sequentially provided with a fresh air electric air volume adjusting valve, a primary disinfection and purification mechanism, a reversible air feeder and a direct expansion type air conditioner coil pipe from top to bottom, and the output end of the air outlet communicates with the frequency converter chamber. An air return pipe is arranged between the primary disinfection and purification mechanism and the reversible air feeder; fresh air and cooling are combined in one set of equipment, only one reversible air feeder is arranged, energy is saved, noise is reduced, cost is reduced, meanwhile, when it is detected that dust accumulated in the primary disinfection and purification mechanism can affect cleaning of a machine room, the reversible air feeder can be automatically reversed, external air enters the shell from the back-blowing electric air volume adjusting valve, and cleaning of the machine room is facilitated. And accumulated dust is discharged.

Description

Technical Field

[0001] The utility model relates to the technical field of air purification, in particular to a novel self-cleaning intelligent ventilation and cooling system. Background Art

[0002] The utility model patent application number CN202121565665.9 discloses an intelligent ventilation and cooling system with purification and self-cleaning functions for the inverter room of a power plant. The system includes an air conditioning system for regulating the temperature and humidity of the inverter room, and a fresh air purification system with a self-cleaning function. The air conditioning system includes two cabinet-type air handling units with direct expansion outdoor units. The fresh air purification system includes two fresh air purification units with self-cleaning functions and electric fireproof shutters. The air handling units and fresh air purification units are connected to the main air supply pipe via corresponding supply air branches. The main air supply pipe is connected to the air duct branch for supplying air to the inverter room for supplying air. The air duct branch for returning air from the inverter room is connected to the air handling unit via the return air main pipe and the corresponding return air branch for returning air. The utility model also includes a control system that can automatically control according to the outdoor air temperature. The system is rationally arranged and safer to operate, which can meet the temperature and humidity requirements of the inverter room while saving energy.

[0003] The above device has the following disadvantages: the fresh air purification unit and the cabinet air handling unit are installed in two different places outdoors, which will increase the air duct area, increase the installation workload and cost; the fresh air purification unit and the cabinet air handling unit are two sets of equipment, each set of equipment has a fan, which is supplied and installed separately, increasing the floor space and cost; after the fresh air purification unit has been running for a period of time, dust will accumulate in the purification components, seriously affecting the fresh air cleaning function of the fresh air purifier and affecting the cleanliness of the machine room environment. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the utility model provides a novel self-cleaning intelligent ventilation and cooling system.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new self-cleaning intelligent ventilation and cooling system, the self-cleaning intelligent ventilation and cooling system includes a ventilation mechanism for controlling the temperature of the inverter room; the ventilation mechanism includes an outer shell, the top of the outer shell is a fresh air inlet, and the bottom of the outer shell is an air outlet. The outer shell is provided with a fresh air electric air volume regulating valve, a primary disinfection and purification mechanism, a reversible blower and a direct expansion air-conditioning coil from top to bottom. The output end of the air outlet is connected to the inverter room, and a return air duct is provided between the primary disinfection and purification mechanism and the reversible blower. The return air duct is provided with a return air electric air volume regulating valve, and the return air duct is connected to the inverter room; a back-blowing electric air volume regulating valve is provided between the reversible blower and the direct expansion air-conditioning coil.

[0008] Furthermore, the present invention is improved in that the air outlet is connected to the inverter room via an air supply pipe, and the air supply pipe is connected to a fire damper.

[0009] Furthermore, the utility model is improved in that the return air duct is connected to a fire damper.

[0010] Furthermore, the utility model is improved in that the frequency converter room is connected to a fire damper, and the fire damper is connected to a residual pressure valve.

[0011] Furthermore, the present invention is improved in that the return air duct is connected to an exhaust port.

[0012] Furthermore, the present invention is improved in that the self-cleaning intelligent ventilation and cooling system also includes a temperature sensor and a humidity sensor, and the temperature sensor and the humidity sensor are arranged at the air outlet, the return air outlet and outside the inverter room.

[0013] Furthermore, the present invention is improved in that the self-cleaning intelligent ventilation and cooling system also includes a control module, which is used to receive detection signals from the temperature sensor and the humidity sensor and adjust the opening degree of the fresh air electric air volume regulating valve and the return air electric air volume regulating valve according to the detection signals, and whether to operate the direct expansion air-conditioning coil.

[0014] Furthermore, the present invention is improved in that the self-cleaning intelligent ventilation and cooling system also includes a fire alarm.

[0015] Furthermore, the present invention is improved in that the self-cleaning intelligent ventilation and cooling system also includes a pressure sensor, which is used to detect the cleanliness of the primary disinfection and purification mechanism. The control module is used to receive the detection signal of the pressure sensor and control the reverse operation of the back-blowing electric air volume regulating valve, the fresh air electric air volume regulating valve and the reversible blower according to the detection signal.

[0016] (3) Beneficial effects

[0017] Compared with the existing technology, the utility model provides a new self-cleaning intelligent ventilation and cooling system with the following beneficial effects: fresh air enters from the fresh air inlet on the top of the shell, and after the air volume is adjusted according to demand by the fresh air electric air volume control valve, it is first processed by the primary disinfection and purification mechanism to remove pollutants such as dust and bacteria. Subsequently, the reversible blower pushes the purified air to the direct expansion air-conditioning coil for cooling. The air processed through the above steps is finally sent into the inverter room through the air outlet at the bottom of the outer shell, providing clean air supply at suitable temperature conditions for the internal space. The air in the inverter room returns to the system through the return air duct, and its flow is controlled by the return air electric air volume control valve. It is mixed with fresh air and then sent out after treatment. This not only ensures the air quality but also improves the energy utilization efficiency. Compared with the existing technology, the fresh air and cooling are combined in a set of equipment with only one reversible blower, which saves energy, reduces noise and reduces costs. At the same time, when the present application detects that dust accumulates in the primary disinfection and purification mechanism to the point that it affects the cleanliness of the machine room, the reversible blower will be automatically reversed, and the outside air will be blown back through the electric air volume control valve into the outer shell to expel the accumulated dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Markings in the attached figure: 1. Fresh air electric air volume regulating valve; 2. Primary disinfection and purification mechanism; 3. Return air electric air volume regulating valve; 4. Reversible supply fan; 5. Back-blowing electric air volume regulating valve; 6. Direct expansion air conditioning coil; 7. Supply air duct; 8. Fire damper; 9. PLC control box; 10. Residual pressure valve; 11. Return air duct; 12. Exhaust outlet. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1, the utility model is a novel self-cleaning intelligent ventilation and cooling system, which includes a ventilation mechanism for controlling the temperature of the inverter room, and a PLC control box 9 is installed in the inverter room. As shown in the figure, the ventilation mechanism can be provided with multiple groups as needed, and these ventilation mechanisms are arranged in parallel; the ventilation mechanism includes a shell, the top of the shell is a fresh air inlet, and the bottom of the shell is an air outlet. The shell is provided with a fresh air electric air volume regulating valve 1, a primary disinfection and purification mechanism 2, a reversible blower 4 and a direct expansion air-conditioning coil 6 from top to bottom, and the output end of the air outlet is connected to the inverter room, and a return air duct 11 is provided between the primary disinfection and purification mechanism 2 and the reversible blower 4, and the return air duct 11 is provided with a return air electric air volume regulating valve 3, and the return air duct 11 is connected to the inverter room; a back-blowing electric air volume regulating valve 5 is provided between the reversible blower 4 and the direct expansion air-conditioning coil 6, and the reversible blower 4 adopts an axial flow fan;

[0022] In this embodiment, fresh air enters from the fresh air inlet at the top of the housing, passes through the fresh air electric air volume control valve 1 to adjust the air volume according to demand, and is first processed by the primary disinfection and purification mechanism 2 to remove pollutants such as dust and bacteria. Subsequently, the reversible blower 4 pushes the purified air to the direct expansion air conditioning coil 6 for cooling. The air treated in the above steps is finally delivered to the inverter room through the air outlet at the bottom of the housing, providing clean air at a suitable temperature for the interior space. The inverter room air returns to the system through the return air duct 11, where its flow rate is controlled by the return air electric air volume control valve 3. After mixing with the fresh air, it is processed and delivered. This not only ensures air quality but also improves energy efficiency. Compared with the prior art, the fresh air and cooling are combined in one device with only one reversible blower 4, which saves energy, reduces noise, and reduces costs. At the same time, when the present invention detects that dust accumulation in the primary disinfection and purification mechanism 2 affects the cleanliness of the machine room, it automatically reverses the reversible blower 4, and the outside air is blown back through the electric air volume control valve 5 into the housing to remove the accumulated dust.

[0023] Furthermore, the utility model is improved in that the air outlet is connected to the inverter room through the air supply pipe 7, the air supply pipe 7 is connected to the fire damper 8; the return air pipe 11 is connected to the fire damper 8; the inverter room is connected to the fire damper 8, and the fire damper 8 is connected to the excess pressure valve 10;

[0024] In this embodiment, the fire damper 8 can automatically close when a fire or high temperature is detected, preventing flames and smoke from spreading to other areas through the pipes. This is crucial for protecting the safety of the inverter room. At the same time, a residual pressure valve 10 is added, which automatically discharges when the pressure reaches the set value, saving energy and safety.

[0025] Furthermore, the present invention is improved in that the return air duct 11 is connected to an exhaust port 12. Appropriate exhaust can help adjust the relative humidity in the room and prevent excessive humidity from causing equipment corrosion or other adverse effects.

[0026] Furthermore, the present invention has improvements in that the self-cleaning intelligent ventilation and cooling system also includes a temperature sensor and a humidity sensor, and the temperature sensor and humidity sensor are arranged outside the air outlet, the return air outlet and the inverter room; the self-cleaning intelligent ventilation and cooling system also includes a control module, and the control module is used to receive detection signals from the temperature sensor and the humidity sensor and adjust the opening degree of the fresh air electric air volume regulating valve 1 and the return air electric air volume regulating valve 3 according to the detection signal, and whether to operate the direct expansion air-conditioning coil 6. Through the set control module, the supply air temperature and humidity can be controlled, and energy saving and noise reduction can be achieved.

[0027] Furthermore, the present invention is improved in that the self-cleaning intelligent ventilation and cooling system also includes a fire alarm, which is connected to the fire damper 8 and the reversible blower 4 and other signals. When the fire alarm receives the fire alarm signal from the inverter room, it automatically closes the electric fire damper 8 on the air duct and this device.

[0028] Furthermore, the utility model is improved in that the self-cleaning intelligent ventilation and cooling system also includes a pressure sensor, which is used to detect the cleanliness of the primary disinfection and purification mechanism 2. The control module is used to receive the detection signal of the pressure sensor and control the reverse operation of the back-blowing electric air volume regulating valve 5, the fresh air electric air volume regulating valve 1 and the reversible blower 4 according to the detection signal. The accumulated dust is discharged through the reverse operation of the reversible blower 4.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel self-cleaning intelligent ventilation and cooling system, comprising a ventilation mechanism for controlling the temperature of the inverter room; characterized in that: The ventilation mechanism comprises a shell, the top of the shell is a fresh air inlet, the bottom of the shell is an air outlet, and the shell is provided with a fresh air electric air volume regulating valve (1), a primary disinfection and purification mechanism (2), a reversible blower (4) and a direct expansion air conditioning coil (6) in sequence from top to bottom. The output end of the air outlet is connected to the frequency converter room, a return air duct (11) is provided between the primary disinfection and purification mechanism (2) and the reversible blower (4), the return air duct (11) is provided with a return air electric air volume regulating valve (3), and the return air duct (11) is connected to the frequency converter room; and a back-blowing electric air volume regulating valve (5) is provided between the reversible blower (4) and the direct expansion air conditioning coil (6).

2. A novel self-cleaning intelligent ventilation and cooling system according to claim 1, characterized in that: The air outlet is connected to the frequency converter room via an air supply pipe (7), and the air supply pipe (7) is connected to a fire damper (8).

3. A novel self-cleaning intelligent ventilation and cooling system according to claim 2, characterized in that: The return air duct (11) is connected to a fire damper (8).

4. A novel self-cleaning intelligent ventilation and cooling system according to claim 3, characterized in that: The frequency converter room is connected to a fire damper (8), and the fire damper (8) is connected to a residual pressure valve (10).

5. A novel self-cleaning intelligent ventilation and cooling system according to claim 4, characterized in that: The return air duct (11) is connected to an exhaust port (12).

6. A novel self-cleaning intelligent ventilation and cooling system according to claim 5, characterized in that: The self-cleaning intelligent ventilation and cooling system further includes a temperature sensor and a humidity sensor, which are arranged at the air outlet, the return air outlet and outside the inverter room.

7. A novel self-cleaning intelligent ventilation and cooling system according to claim 6, characterized in that: The self-cleaning intelligent ventilation and cooling system further comprises a control module, which is used to receive detection signals from a temperature sensor and a humidity sensor and adjust the opening degree of the fresh air electric air volume regulating valve (1) and the return air electric air volume regulating valve (3) according to the detection signals, and whether to operate the direct expansion air conditioning coil (6).

8. A novel self-cleaning intelligent ventilation and cooling system according to claim 7, characterized in that: The self-cleaning intelligent ventilation and cooling system also includes a fire alarm.

9. A novel self-cleaning intelligent ventilation and cooling system according to claim 8, characterized in that: The self-cleaning intelligent ventilation and cooling system further comprises a pressure sensor for detecting the cleanliness of the primary disinfection and purification mechanism (2); the control module is used to receive a detection signal from the pressure sensor and control the reverse operation of the back-blowing electric air volume regulating valve (5), the fresh air electric air volume regulating valve (1) and the reversible blower (4) according to the detection signal.

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