CN204962981U - Energy -saving humidification evaporation cooling type fan -coil unit - Google Patents

Abstract

An energy-saving humidification/evaporative cooling fan coil unit disclosed in the utility model is composed of a humidification/evaporative cooling fan coil device and a solar photovoltaic power generation system connected together; the solar photovoltaic power generation system includes a solar photovoltaic panel, The solar photovoltaic panel is connected to the controller through wires, and the controller is respectively connected to the battery pack and the humidification/evaporative cooling fan coil unit through wires; the battery pack is composed of multiple batteries connected in series. The energy-saving humidification/evaporative cooling fan coil unit of the utility model, the humidification/evaporative cooling fan coil unit installed inside it can meet the needs of various seasons, and can realize humidification while cooling/heating, satisfying the comfort of the human body The purpose of safety requirements, and the use of renewable solar energy to drive the unit to run, to achieve the purpose of energy saving.

Description

An energy-saving humidification/evaporative cooling fan coil unit

technical field

The utility model belongs to the technical field of air conditioning and refrigeration, in particular to an energy-saving humidification/evaporative cooling fan coil unit.

Background technique

Existing fan coil units operate in the way that external cooling and hot water flow through the coil respectively, and the air is guided by the fan to sweep across the coil to be cooled, dehumidified or heated to adjust the indoor air. When heating in winter, if the fan coil unit is used in a room with low relative humidity, it will not only fail to meet the comfort requirements required by the human body, but also easily cause static electricity on electrical appliances, and the whole room will become very dry; In addition, the existing fan coil unit generally consumes a large amount of electric energy during operation, which is not energy-saving and environmentally friendly.

It can be seen that improving the cooling and humidifying performance of the fan coil unit and reducing the power consumption of the fan coil unit during operation are of great significance to the popularization and application of the fan coil unit.

Utility model content

The purpose of this utility model is to propose an energy-saving humidification/evaporative cooling fan coil unit, which solves the problems of inability to humidify during the re-cooling process and large power consumption during operation of the existing fan coil unit.

The technical solution adopted by the utility model is that an energy-saving humidification/evaporative cooling fan coil unit is composed of a humidification/evaporative cooling fan coil device and a solar photovoltaic power generation system connected together; the solar photovoltaic power generation system, It includes a solar photovoltaic panel, the solar photovoltaic panel is connected to the controller through wires, and the controller is respectively connected to the battery pack and the humidification/evaporative cooling fan coil unit through wires; the battery pack is composed of multiple batteries connected in series.

The utility model is also characterized in that:

The humidification/evaporative cooling type fan coil unit includes a device housing and a control water tank arranged outside the device housing; the top of the device housing is laid with a glass wool layer, and the opposite side walls of the device housing are respectively provided with inlet Air outlet, air supply outlet; there is a fan facing the air inlet, the fan is connected to the DC brushless motor, and the DC brushless motor is connected to the controller through wires; the device housing is equipped with high-efficiency heat exchange coils and The humidification-cooling unit, the high-efficiency heat exchange coil and the humidification-cooling unit are respectively provided with a wind deflector and a condensation pan, and the humidification-cooling unit is connected to the control water tank.

The fan is supported on the fan support plate.

Air valves are arranged in the air inlet and the air outlet.

The upper part of the condensation pan is provided with a filter plate; the condensation pan is connected with a condensation pipe.

A control valve is arranged on the condensate pipe.

The humidification-cooling unit includes a wet film humidifier. A water distribution pipe is arranged above the wet film humidifier. A plurality of spray nozzles facing the wet film humidifier are evenly arranged on the water distribution pipe. The water distribution pipe is connected to the control water tank through the water supply pipe. .

The water supply pipe is respectively provided with a valve, a filter, a water saver and a water pump.

The filter uses a Y-type filter.

The water pump is a submersible pump located in the control water tank, and the water pump is connected with the controller through wires.

The beneficial effects of the utility model are:

1) The energy-saving humidification/evaporative cooling fan coil unit of this utility model uses solar photovoltaic power generation to maintain the operation of the unit, and the solar photovoltaic panel converts it into electrical energy by absorbing solar radiation energy, which can be DC brushless after conversion by the controller Electric motor and water pump provide the required electric energy;

2) The energy-saving humidification/evaporative cooling fan coil unit of the utility model is equipped with a heating-cooling unit, which increases the humidification function compared with the existing fan coil unit, can improve the indoor humidity field, and improves the safety of the indoor environment. Comfort; Even when the indoor humidity is low in winter, it can still meet people's requirements for comfort;

3) When the energy-saving humidification/evaporative cooling fan coil unit of the utility model is used in transitional seasons, the humidification-cooling unit is used as a direct evaporative cooler. Using the humidification-cooling unit to cool down greatly saves energy consumption;

4) In the energy-saving humidification/evaporative cooling fan coil unit of the present invention, the water tank equipped for the humidification-cooling unit is an external water tank, which can make the structure of the whole unit more compact and greatly reduce the space volume of the unit. It makes the installation more convenient, and the external water tank is conducive to control, and it is more convenient to change the water;

5) In the energy-saving humidification/evaporative cooling fan coil unit of the present utility model, the humidification-cooling unit is equipped with a water-saving device, which controls the amount of water supply by sensing the degree of wetness of the wet film. Intermittent water supply according to the wetting degree of the membrane realizes the purpose of water saving.

Description of drawings

Fig. 1 is a structural schematic diagram of an energy-saving humidification/evaporative cooling fan coil unit of the utility model;

Fig. 2 is a structural schematic diagram of the solar power generation system in the energy-saving humidification/evaporative cooling fan coil unit of the utility model;

Fig. 3 is a structural schematic diagram of the internal humidification system of the energy-saving humidification/evaporative cooling fan coil unit of the utility model.

In the figure, 1. DC brushless motor, 2. Fan support plate, 3. Condensation pan, 4. Water distribution pipe, 5. Air inlet, 6. Air supply port, 7. Water supply pipe, 8. Valve, 9. Y type Filter, 10. Water saver, 11. Wet film humidifier, 12. Nozzle, 13. Glass wool layer, 14. High efficiency heat exchange coil, 15. Fan, 16. Control water tank, 17. Solar photovoltaic panel, 18 . Controller, 19. Battery pack, 20. Water pump.

detailed description

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

The utility model is an energy-saving humidification/evaporative cooling fan coil unit, the structure of which is shown in Figure 1 and Figure 2, and consists of a humidification/evaporative cooling fan coil unit and a solar photovoltaic power generation system connected together.

The solar photovoltaic power generation system, as shown in Figure 2, includes a solar photovoltaic panel 17, the solar photovoltaic panel 17 is connected to the controller 18 through wires, and the controller 18 is connected to the battery pack 19 and the humidification/evaporative cooling fan coil unit through wires respectively. The water pump 20 inside is connected with the DC brushless motor 1. The battery pack 19 is composed of a plurality of accumulators connected in series in sequence.

Humidification/evaporative cooling type fan coil unit, as shown in Figure 1 and Figure 3, includes a device housing and a control water tank 16 arranged outside the device housing; a glass wool layer 13 is laid on the top of the device housing, and the device housing An air inlet 5 and an air outlet 6 are respectively arranged on the opposite side walls of the body; a fan 15 is arranged facing the air inlet 5, and the fan 15 is connected to the DC brushless motor 1, and the DC brushless motor 1 is connected to the controller 18 through wires ; Inside the housing of the device, there are high-efficiency heat exchange coils 14 and humidification-cooling units in sequence according to the flow direction after the air enters, and the high-efficiency heat exchange coils 14 and the humidification-cooling units are respectively provided with air deflectors and condensation pans 3, humidification -The cooling unit is connected with the control water tank 16.

Both the air inlet 5 and the air outlet 6 are provided with air valves.

The glass wool layer 13 is made of glass wool. Glass wool is a material that fibrates molten glass to form a cotton-like material. Its chemical composition belongs to glass and is a kind of inorganic fiber; , thermal insulation, good sound-absorbing performance, corrosion resistance, stable chemical properties.

The fan 15 is supported on the fan support plate 2 .

The drain pan 3 is connected with a drain pipe, and a control valve is arranged on the drain pipe; the drain pan 3 is fixed at the bottom of the device housing, and a filter plate is arranged on the upper part of the drain pan 3 .

The humidification-cooling unit, as shown in Figure 3, includes a wet film humidifier 11, a water distribution pipe 4 is arranged above the wet film humidifier 11, and a plurality of water distribution pipes 4 facing the wet film humidifier 11 are evenly arranged to spray. The nozzle 12 and the water distribution pipe 4 are connected with the control water tank 16 through the water supply pipe 7 .

The water supply pipe 7 is respectively provided with a valve 8 , a filter, a water saver 10 and a water pump 20 .

What filter adopts is Y type filter 9.

The water pump 20 is a submersible pump, located in the control water tank 16, and the water pump 20 is connected with the controller 18 through wires.

The working process of an energy-saving humidification/evaporative cooling fan coil unit of the utility model is as follows:

A. According to different meteorological conditions and user requirements for temperature and humidity, the humidification/evaporative cooling fan coil device in the photovoltaic-driven humidification/evaporative cooling fan coil unit of the present invention can realize the following three different operations model:

(1) In the hot summer, the operation mode of the humidification/evaporative cooling fan coil unit is as follows:

At this time, the fan 15, the high-efficiency heat exchange coil 14 and the humidification-cooling unit need to be turned on;

The indoor return air (air) enters the humidification/evaporative cooling fan coil unit through the air inlet 5 under the action of the fan 15, and first flows through the high-efficiency heat exchange coil 14. Cooling of the return air can be achieved; the cooled return air flows through the humidification-cooling unit to realize the humidification of the return air; the cooled and humidified return air is sent into the air-conditioning area through the air outlet 6, and finally achieves the effect of cooling and humidification Effect.

(2) In the transition season of spring and autumn, the operation mode of the humidification/evaporative cooling fan coil unit is as follows:

At this time, the fan 15 and the humidification-cooling unit need to be turned on;

The indoor return air (air) enters the humidification/evaporative cooling fan coil unit through the air inlet 5 under the action of the fan 15, and is sent out from the air supply port 6 after being cooled and humidified by the humidification-cooling unit;

In the transition season, the humidification-cooling unit is used as a direct evaporative cooler. At this time, no cold water is passed into the high-efficiency heat exchange coil 14, and only the humidification-cooling unit is used to complete the cooling process, which greatly saves energy consumption.

(3) In the cold winter, the operation mode of the humidification/evaporative cooling fan coil unit is as follows:

At this time, the fan 15, the high-efficiency heat exchange coil 14 and the humidification-cooling unit need to be turned on;

The indoor return air (air) enters the humidification/evaporative cooling fan coil unit through the air inlet 5 under the action of the fan 15, and first flows through the high-efficiency heat exchange coil 14. Hot water, so the heating of the indoor return air is realized; the return air after the temperature rises flows through the humidification-cooling unit, and the humidification-cooling unit humidifies the return air with the temperature rise, and then it is sent by the air outlet 6 to The air-conditioned area finally achieves the effect of heating and humidification.

B. The working process of the water system in the humidification-cooling unit is as follows:

Open the valve 8, control the water in the water tank 16 to enter the water supply pipe 7 under the action of the water pump 20, the water is filtered by the Y-shaped filter 9 on the water supply pipe 7, and then flow into the water distribution pipe 4, and the water is filtered by a plurality of water distribution pipes 4 The nozzle 12 sprays water on the wet film humidifier 11, and performs cooling and humidification treatment with the air flowing through the wet film humidifier 11; after the cooling and humidification is completed, the excess water on the wet film humidifier 11 falls into the condensation pan 3, when there is too much water in the condensation pan 3, open the control valve on the condensation pipe to discharge the water in the condensation pan 3 through the condensation pipe; a water filter plate is arranged on the upper part of the condensation pan 3 to prevent floating phenomenon.

In addition, a water saver 10 is also provided on the water supply pipe 7, and the amount of water supply can be controlled by sensing the degree of wetness of the wet film on the wet film humidifier 11, and intermittent water supply can also be performed according to the degree of wetness of the wet film. Realized the purpose of saving water.

C. The working process of the solar photovoltaic power generation system is as follows:

The solar photovoltaic power generation system is used to provide power to the entire unit;

Among them, the solar photovoltaic panel 17 is used to absorb solar radiation and convert it into direct current. After being processed by the controller 18, it provides electric energy for the brushless DC motor 1 and the water pump 20;

When the solar photovoltaic panel 17 generates excess electricity, the excess electricity can be stored in the battery pack 19 through the controller 18 for backup; when the sunlight is insufficient, the direct current stored in the battery pack 19 is supplied to the brushless DC motor through the controller 18 1 and water pump 20 are used.

The energy-saving humidification/evaporative cooling fan coil unit of the utility model overcomes the disadvantage that the existing fan coil cannot humidify the air, and in the transitional season, only the humidification-cooling unit can be turned on to cool and humidify the air, which greatly reduces the The energy consumption of the unit. The energy-saving humidification/evaporative cooling fan coil unit of the utility model not only realizes the purpose of indoor air humidification and meets the requirements of human comfort, but also uses renewable solar energy to drive the unit to run, meeting the requirements of energy saving.

Claims (10)

1. An energy-saving humidification/evaporative cooling type fan coil unit is characterized in that it is composed of a humidification/evaporative cooling fan coil unit and a solar photovoltaic power generation system connected together; The solar photovoltaic power generation system includes a solar photovoltaic panel (17), the solar photovoltaic panel (17) is connected to a controller (18) through a wire, and the controller (18) is connected to a battery pack (19) through a wire respectively. , Humidification/evaporative cooling type fan coil unit connection; The battery pack (19) is composed of multiple accumulators connected in series in sequence. 2. The energy-saving humidification/evaporative cooling fan coil unit according to claim 1, wherein the humidification/evaporative cooling fan coil unit includes a device housing and a control water tank (16); The top of the device housing is laid with a glass wool layer (13), and the opposite side walls of the device housing are respectively provided with an air inlet (5) and an air supply port (6); facing the air inlet (5) A fan (15) is arranged at the place, and the fan (15) is connected with the DC brushless motor (1), and the DC brushless motor (1) is connected with the controller (18) through wires; A high-efficiency heat exchange coil (14) and a humidification-cooling unit are sequentially arranged in the housing of the device according to the flow direction after the air enters, and an air deflector is respectively arranged under the high-efficiency heat exchange coil (14) and the humidification-cooling unit and the condensation pan (3), the humidification-cooling unit is connected with the control water tank (16). 3. The energy-saving humidification/evaporative cooling fan coil unit according to claim 2, characterized in that the fan (15) is supported on the fan support plate (2). 4. The energy-saving humidification/evaporative cooling fan coil unit according to claim 2, characterized in that air valves are arranged in the air inlet (5) and the air supply outlet (6). 5. The energy-saving humidification/evaporative cooling fan coil unit according to claim 2, characterized in that a water filter plate is arranged on the upper part of the condensation pan (3); The condensate pan (3) is connected with a condensate pipe. 6 . The energy-saving humidification/evaporative cooling fan coil unit according to claim 5 , wherein a control valve is arranged on the condensate pipe. 7. The energy-saving humidification/evaporative cooling fan coil unit according to claim 2, wherein the humidification-cooling unit includes a wet film humidifier (11), and the wet film humidifier (11 ) is provided with a water distribution pipe (4), and a plurality of spray nozzles (12) facing the wet film humidifier (11) are evenly arranged on the water distribution pipe (4), and the water distribution pipe (4) passes through the water supply pipe (7) is connected with control water tank (16). 8. The energy-saving humidification/evaporative cooling fan coil unit according to claim 7, characterized in that, the water supply pipe (7) is respectively provided with a valve (8), a filter, and a water saver (10) and water pump (20). 9. The energy-saving humidification/evaporative cooling fan coil unit according to claim 8, characterized in that, the filter is a Y-type filter (9). 10. The energy-saving humidification/evaporative cooling fan coil unit according to claim 8, characterized in that the water pump (20) is a submersible pump located in the control water tank (16), and the water pump (20) passes through Wire is connected with controller (18).