Low-carbon ventilation energy comprehensive utilization system for hotel guest rooms

Abstract

The utility model provides a low-carbon ventilation energy comprehensive utilization system for hotel guest rooms, which comprises a heat exchanger, an upper computer, a hotel guest room management system for recording the number of guest rooms, a wind and light power generation system, and a fresh air handling unit and an exhaust unit which are connected into each guest room, the inlet end of the fresh air handling unit is connected with the first heat exchange side of the heat exchanger, the outlet end of the exhaust unit is connected with the second heat exchange side of the heat exchanger, the fresh air handling unit and the exhaust unit are provided with clean energy access ports, and the clean energy access ports are connected with the wind-solar power generation system. A photovoltaic or wind power generation system is connected to serve as supplementary energy, so that the load of a power supply system is reduced, and energy consumption is saved; and the information of the hotel guest room management system is communicated and shared with the upper computer, and the upper computer controls the air supply amount of the fresh air handling unit and reduces the fresh air energy consumption according to the room and personnel information read by the hotel guest room management system on the premise of meeting the requirements of personnel for the fresh air amount and guaranteeing the room air quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation system technical field, especially a low -carbon ventilation's energy comprehensive utilization system for hotel guest room. BACKGROUND

[0002] Central air conditioning is a big energy consumer in hotel energy consumption, and is also a key direction of hotel operation cost reduction and efficiency increase. According to statistics, hotel air conditioning energy consumption accounts for about 40-60% of hotel energy consumption, and air conditioning cost accounts for about 7-15% of hotel income. The main factors affecting hotel building heating and air conditioning energy consumption include air conditioning equipment energy efficiency, operation mode, indoor temperature and humidity, climate conditions and fresh air volume, etc.

[0003] The role of fresh air in hotel buildings is to provide clean and sanitary fresh air for hotels and ensure the health and comfort of indoor environment, but the influence of other pollution factors such as temperature and humidity, waste gas and dust should also be considered. For example, during the operation of central air conditioning in summer, the air temperature and humidity are generally high during the day, so 40% of the energy consumption of the main machine is used to cool fresh air.

[0004] The capacity of chilled water pump and cooling water pump in central air conditioning system is selected according to the maximum design load of the building, generally with a margin, while in actual operation, due to the changes of season, day and night and user load, the actual air conditioning load is much lower than the design load in most of the time, causing waste of resources.

[0005] The high energy consumption of hotel air conditioning ventilation system not only brings heavy burden to enterprises, but also causes great waste of social energy, therefore, under the premise of ensuring the requirements of guest room environment, it is of great significance to transform hotel air conditioning, fresh air and exhaust air unit and optimize hotel air conditioning system operation mode to reduce energy consumption level.

[0006] The fresh air unit bears the cooling load and humidity load of fresh air, and the fresh air energy consumption is high, and the fresh air volume is designed according to 100% of hotel occupancy rate, which is rarely reached in actual occupancy rate, and the fresh air volume is not adjusted according to hotel occupancy rate, causing waste of energy consumption of fresh air unit. And the temperature is higher during the day, and the light condition is good, and the cooling load of fresh air unit is higher than that at night, which leads to higher energy consumption and larger power load of hotel building during the day, but the current fresh air unit cannot use clean energy such as wind and light as supplementary energy to reduce power load. UTILITY MODEL CONTENTS

[0007] To solve the above problems, the purpose of the utility model is to provide a low-carbon ventilation energy comprehensive utilization system for hotel guest room.

[0008] The utility model discloses adopt following method to realize: a hotel guest room uses low -carbon ventilation's energy comprehensive utilization system, including heat exchanger, host computer and be used to enter the hotel guest room management system of guest room check -in number, and wind and light power generation system, heat exchanger, hotel guest room management system, wind and light power generation system and host computer communication connection still including access each guest room's fresh air unit, exhaust fan unit, the first heat exchange side of fresh air unit's entrance end is connected with heat exchanger, the second heat exchange side of exhaust fan unit's export is connected with heat exchanger, fresh air unit and exhaust fan unit with host computer communication connection, fresh air unit and exhaust fan unit are equipped with clean energy access, and clean energy access is connected with wind and light power generation system.

[0009] Preferably, further comprising a water storage tank, the water storage tank is provided with a heat exchange coil, the heat exchange coil is connected with the condensing end of the fresh air unit, or the heating coil is connected with the third heat exchange side of the heat exchanger.

[0010] Preferably, each of the guest rooms is provided with an air inlet and an air outlet, the air inlet is connected with the outlet end of the fresh air unit, and the inlet end of the exhaust fan unit is connected with the air outlet.

[0011] Preferably, the air outlet is provided with a first air valve, and the air inlet is provided with a second air valve; the first air valve, the second air valve and the host computer.

[0012] Preferably, the fresh air unit comprises an evaporation end, a condensing end and an air inlet fan, the exhaust air of the second heat exchange side is connected with the condensing end; the inlet end of the fresh air unit is connected with the air inlet after the inlet air passes through the first heat exchange side of the heat exchanger, the air inlet fan and the evaporation end.

[0013] Preferably, the condensing end and the evaporation end are provided with summer interfaces and winter interfaces; in winter state, the exhaust air of the second heat exchange side of the heat exchanger is connected with the winter interface of the evaporation end, and the outlet of the air inlet fan is connected with the winter interface of the condensing end; in summer state, the exhaust air of the second heat exchange side of the heat exchanger is connected with the summer interface of the condensing end, and the outlet of the air inlet fan is connected with the summer interface of the evaporation end.

[0014] Preferably, further comprising a guest room power extractor, the guest room power extractor is in communication with the host computer.

[0015] Preferably, the heat exchanger is a power heat pipe or a rotary heat recovery device.

[0016] Preferably, the exhaust fan group of the same floor of the guest room is connected with an exhaust duct at the outlet; the same floor of the guest room shares one or more new fan groups, the inlet end of the new fan group of the same floor is connected with the first heat exchange side of the same heat exchanger, and the first exhaust duct is connected with the second heat exchange side of the same heat exchanger.

[0017] The energy comprehensive utilization system for low-carbon ventilation of hotel guest rooms has at least the following technical effects: 1. The clean energy access port of the connection wind and light power generation system is arranged for the new fan group and the exhaust fan group, so that the photovoltaic power generation system can be connected as a supplementary energy source when the load is high in the daytime or at night, the load of the power supply system is reduced, and energy consumption is saved; and the information of the hotel guest room management system is communicated and shared with the host computer, the host computer controls the air supply amount of the new fan group according to the room and personnel information read by the hotel guest room management system, and the air quality of the room is ensured, so that the energy consumption of the new fan group is reduced. 2. The condensing end of the new fan group can also exchange heat with the water storage tank of tap water to prepare medium-temperature (about 35 DEG C) domestic hot water, and the energy consumption for heating domestic hot water can be reduced. 3. The first air valve and the second air valve are arranged at the exhaust port and the air inlet port, so that the host computer can control the opening and closing of the exhaust port according to the check-in information of the hotel guest room management system, and the unoccupied guest room is not ventilated and exhausted, so that the energy consumption is saved. 4. The winter interface and the summer interface are arranged at the evaporation end and the condensing end of the new fan group, so that the working condition can be adjusted according to the seasonal change, and the energy consumption can be saved to the greatest extent. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model relates to an energy comprehensive utilization system for low-carbon ventilation of hotel guest rooms.

[0019] The number of the drawing is explained: 1, evaporation end, 2, air inlet fan, 3, condensing end, 4, heat exchanger, 5, exhaust fan, 6, first air valve, 7, second air valve, 8, guest room power supply device, 9, host computer, 10, clean energy access port, 11, water storage tank, 12, heat exchange coil, 13, hotel guest room management system. DETAILED DESCRIPTION

[0020] The utility model will be further explained in connection with the drawing and specific embodiment.

[0021] Please refer to Figure 1The application discloses a low-carbon ventilation energy comprehensive utilization system for hotel rooms, which comprises a heat exchanger 4, an upper computer 9, a hotel room management system 13 used for inputting the number of people in a room and the like (occupancy date, number of people and the like), and a wind and light power generation system, the heat exchanger 4, the hotel room management system 13, the wind and light power generation system and the upper computer 9 are in communication connection, and further comprising fresh air handling units and exhaust air handling units connected to each room, the inlet end of the fresh air handling unit is connected with the first heat exchange side of the heat exchanger 4, the outlet end of the exhaust air handling unit is connected with the second heat exchange side of the heat exchanger 4, the fresh air handling unit and the exhaust air handling unit are in communication connection with the upper computer 9, the fresh air handling unit and the exhaust air handling unit are provided with clean energy inlets 10, and the clean energy inlets 10 are connected with the wind and light power generation system. By arranging the clean energy inlets 10 connected with the wind and light power generation system in the fresh air handling unit and the exhaust air handling unit, the photovoltaic power generation system or the wind power generation system and the like can be connected as a supplementary energy source when the load is high in the daytime or at night, so that the load of the power supply system is reduced, and the energy consumption is saved. The information of the hotel room management system 13 is communicated and shared with the upper computer 9, the upper computer 9 controls the air supply amount of the fresh air handling unit, reduces the fresh air energy consumption, and controls the fresh air fan valve and the exhaust air fan in linkage on the premise that the air quality in the room is guaranteed and the fresh air amount demand of the personnel is met, so that the exhaust air heat is fully recovered, and the heat waste is reduced. The wind power generation and power supply and the photovoltaic power generation and power supply are mature prior arts, and will not be described in detail, and the coordination control of the commercial power supply and the wind power supply and the photovoltaic power supply is also a mature prior art, and will not be described in detail.

[0022] Please refer to Figure 1 Preferably, the system further comprises a water storage tank 11, the water storage tank 11 is provided with a heat exchange coil 12, the heat exchange coil 12 is connected with the condensing end of the fresh air handling unit, or the heat exchange coil is connected with the third heat exchange side of the heat exchanger 4. The condensing end of the fresh air handling unit can also exchange heat with the water storage tank 11 of tap water, and prepare medium-temperature (about 35 DEG C) domestic hot water, so that the energy consumption for preparing domestic hot water can be reduced. The heat exchanger 4 can be a power heat pipe or a rotary heat recovery device or other high-efficiency heat exchange device, so as to overcome the defects of the paper heat recovery device commonly used in the market, avoid short service life, easy damp, easy breeding of bacteria, difficult cleaning of dust and other pollutants, secondary pollution and the like, and effectively guarantee the quality of fresh air.

[0023] Please refer to Figure 1 Preferably, each of the rooms is provided with an air inlet and an air outlet, the air inlet is connected with the outlet end of the fresh air handling unit, and the inlet end of the exhaust air handling unit is connected with the air outlet. The air inlet and the air outlet are connected through corresponding pipelines.

[0024] Please refer to Figure 1Preferably, the exhaust outlet is provided with a first air valve 6, and the air inlet is provided with a second air valve 7; the first air valve 6 and the second air valve 7 are connected with the host computer 9. The first air valve 6 and the second air valve 7 are arranged at the exhaust outlet and the air inlet, respectively, so that the host computer 9 can control the opening and closing of the exhaust outlet according to the check-in information of the hotel room management system 13, and the unoccupied room is not ventilated and exhausted, thereby saving energy.

[0025] Please refer to Figure 1 Preferably, the exhaust fan unit is composed of an exhaust fan 5, and the outlet end of the exhaust fan 5 is connected with the second heat exchange side of the heat exchanger 4.

[0026] Please refer to Figure 1 Preferably, the fresh air fan unit includes an evaporation end 1, a condensation end 3, and an air inlet fan 2, the exhaust air of the second heat exchange side is connected with the condensation end 3; the inlet end of the fresh air fan unit is connected with the air inlet after the air inlet passes through the first heat exchange side of the heat exchanger 4, the air inlet fan 2, and the evaporation end 1. The exhaust air is exchanged with the condensation end, the exhaust air temperature is lower than the outdoor temperature in summer, and the exhaust air is used to cool the condensation end. In winter, the exhaust air temperature is higher than the outdoor temperature, and the exhaust air is used to provide heat.

[0027] Please refer to Figure 1 Preferably, the condensation end 3 and the evaporation end 1 are both provided with a summer interface and a winter interface; in winter, the exhaust air of the second heat exchange side of the heat exchanger 4 is connected with the winter interface of the evaporation end 1, and the outlet of the air inlet fan 2 is connected with the winter interface of the condensation end 3; in summer, the exhaust air of the second heat exchange side of the heat exchanger 4 is connected with the summer interface of the condensation end 3, and the outlet of the air inlet fan 2 is connected with the summer interface of the evaporation end 1. The evaporation end 1 and the condensation end 3 of the fresh air fan unit are both provided with a winter interface and a summer interface, so that the working condition can be adjusted according to the seasonal change, thereby achieving the maximum energy saving.

[0028] Please refer to Figure 1 Preferably, the hotel room power supply device 8 (the hotel room power supply device is an existing device, and will not be described in detail) is further included, and the hotel room power supply device 8 is connected with the host computer 9 in communication. The hotel room power supply device is used for taking power in the room, so that the host computer can confirm whether the user is in the room, and control whether the fresh air fan unit and the exhaust fan unit work.

[0029] Please refer to Figure 1, preferably, the wine is connected with the outlet of an exhaust fan group of a guest room on the same floor through an exhaust duct; the guest rooms on the same floor share one or more new fan groups, the inlet end of the new fan group on the same floor is connected with the first heat exchange side of the same heat exchanger, and the first exhaust duct is connected with the second heat exchange side of the same heat exchanger. Compared with the existing hotel guest room air conditioning fresh air system and the sanitary ventilation system, the air conditioning fresh air system and the sanitary ventilation system are independently arranged, the independent fresh air system is generally horizontally distributed, and the sanitary ventilation system is vertically distributed (the vertical distribution of the exhaust of the bathroom refers to that the same position of multiple floors is a bathroom, and the exhaust shares a vertical exhaust duct. The horizontal distribution of the independent fresh air refers to that generally one or two new fan groups are installed on one floor of a hotel, and the new fan group sends the fresh air to the rooms on the same floor, and generally does not send the air across layers.). The utility model is transformed from the vertical exhaust system to the horizontal exhaust, creates the heat recovery condition, and exchanges heat with the new fan group on the same layer. The air volume of the sanitary ventilation is generally higher than the air volume of the air conditioning fresh air, so that the hotel guest room air conditioning fresh air system lacks the exhaust heat recovery condition, and the bathroom reverse smell and other sanitary problems are often caused due to the air volume of the fresh air being lower than the air volume of the exhaust. The utility model controls the air supply volume of the new fan group and the exhaust volume of the exhaust fan group through the host computer 9, so that the micro-positive pressure is maintained in the guest room, and the negative pressure is maintained in the bathroom.

[0030] The utility model has the following working principle:

[0031] During refrigeration / heat generation, the host computer 9 controls the air supply volume of the new fan group, reduces the fresh air energy consumption, and controls the first air valve 6, the second air valve 7 and the exhaust fan 5 in linkage on the premise that the air quality of the room is guaranteed and the fresh air volume demand of the personnel is met, so that the exhaust heat is fully recovered, and the heat waste is reduced.

[0032] The heat exchanger 4 extracts the excess cold / heat in the exhaust fan unit (after the exhaust air fan 5 of each room is sent to the main pipeline, the energy recovery is first carried out in the heat exchanger 4, at this time, the exhaust air temperature is still lower than the outdoor temperature, and the cooling condensing end 3 of the fresh air fan unit can be used to discharge outdoor. The fresh air at the fresh air inlet end is pre-cooled by the high-efficiency heat exchanger 4, and the fresh air is finally treated in the fresh air fan unit and then sent to the guest room. This fresh air treatment method can reduce the energy consumption of the fresh air fan unit, improve the fresh air treatment capacity of the fresh air fan unit, and also can reduce the energy consumption of the air conditioning system. In the transition season, the heat exchanger 4 is closed (such as a rotary heat recovery or a power heat pipe heat exchanger 4), and the outdoor low-temperature air is directly sent to the guest room by the fresh air fan unit, which plays a natural cooling effect, reduces the energy consumption of the air conditioning system, and also can improve the indoor air quality and the comfort of the guest room. The condensing end 3 of the fresh air fan unit can also be heat-exchanged with the tap water storage tank 11 to prepare medium-temperature (about 35 DEG C) domestic hot water, which can reduce the energy consumption of the domestic hot water heating. The wind and light power generation system (for example, a photovoltaic power generation device or a wind power generation device, which are existing devices and will not be described in detail, and no specific protection requirements are made) can provide clean power for the fresh air fan unit, the exhaust air fan 5, the first air valve 6 and the second exhaust valve, thereby reducing the consumption of municipal power.

[0033] The utility model is suitable for independent fresh air system + independent exhaust hotel building comprehensive energy utilization energy saving reconstruction, organizes low carbon ventilation and its comprehensive energy utilization system, through the coupling of fresh air, exhaust, guest room, hot water and a plurality of systems, make it satisfy indoor temperature and humidity requirement, improve air quality, greatly reduce fresh air energy consumption, cold water unit energy consumption and hot water system energy consumption, utilize clean energy power generation system to further realize low carbon target.

[0034] It should be noted that: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change.

[0035] Secondly: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0036] Finally, the preferred embodiments of the utility model are described above, and the protection scope of the utility model is not limited to the above-mentioned embodiments, and any technical solution belonging to the utility model idea belongs to the protection scope of the utility model.

[0037] It should be noted that for those skilled in the art, some improvements and decorations without departing from the principles of the present application should be considered as the protection scope of the present application.

Claims

1. A low-carbon ventilation energy comprehensive utilization system for hotel rooms, comprising a heat exchanger, a host computer, a hotel room management system for entering the number of room occupants, and a wind and light power generation system, wherein the heat exchanger, the hotel room management system, the wind and light power generation system and the host computer are in communication connection, characterized in that: The air conditioning system further comprises a fresh air unit and an exhaust air unit, the inlet end of the fresh air unit is connected with the first heat exchange side of the heat exchanger, the outlet end of the exhaust air unit is connected with the second heat exchange side of the heat exchanger, the fresh air unit and the exhaust air unit are in communication connection with the host computer, the fresh air unit and the exhaust air unit are provided with a clean energy inlet, and the clean energy inlet is connected with the wind-solar power generation system. ​ 2. The energy comprehensive utilization system of low-carbon ventilation for hotel guest room according to claim 1, characterized in that: The air conditioning system further comprises a water storage tank, the water storage tank is provided with a heat exchange coil, the heat exchange coil is connected with the condensing end of the fresh air unit, or the heating coil is connected with the third heat exchange side of the heat exchanger.

3. The energy comprehensive utilization system of low-carbon ventilation for hotel guest room according to claim 1, characterized in that: Each of the guest rooms is provided with an air inlet and an air outlet, the air inlet is connected with the outlet end of the fresh air unit, and the inlet end of the exhaust air unit is connected with the air outlet.

4. The energy comprehensive utilization system of low-carbon ventilation for hotel guest room according to claim 3, characterized in that: The air outlet is provided with a first air valve, and the air inlet is provided with a second air valve; the first air valve and the second air valve are connected with the host computer.

5. The energy comprehensive utilization system of low-carbon ventilation for hotel guest room according to claim 3, characterized in that: The fresh air unit comprises an evaporation end, a condensing end and an air inlet fan, the exhaust air of the second heat exchange side is connected with the condensing end, the inlet end of the fresh air unit is connected with the air inlet after the air inlet passes through the first heat exchange side of the heat exchanger, the air inlet fan and the evaporation end.

6. The energy comprehensive utilization system of low-carbon ventilation for hotel guest room according to claim 5, characterized in that: The condensing end and the evaporation end are both provided with a summer interface and a winter interface; in winter state, the exhaust air of the second heat exchange side of the heat exchanger is connected with the winter interface of the evaporation end, and the outlet of the air inlet fan is connected with the winter interface of the condensing end; in summer state, the exhaust air of the second heat exchange side of the heat exchanger is connected with the summer interface of the condensing end, and the outlet of the air inlet fan is connected with the summer interface of the evaporation end.

7. The energy comprehensive utilization system of low-carbon ventilation for hotel guest room according to claim 1, characterized in that: The air conditioning system further comprises a guest room power supply device, and the guest room power supply device is in communication connection with the host computer.

8. The energy comprehensive utilization system of low-carbon ventilation for hotel guest room according to claim 1, characterized in that: The heat exchanger is a power heat pipe or a rotary heat recovery device.

9. The energy comprehensive utilization system of low-carbon ventilation for hotel guest room according to claim 1, characterized in that: The outlets of the exhaust air units of the guest rooms on the same floor are jointly connected with an exhaust air pipeline; the guest rooms on the same floor share one or more fresh air units, the inlet ends of the fresh air units on the same floor are connected with the first heat exchange side of the same heat exchanger, and the first exhaust air pipeline is connected with the second heat exchange side of the same heat exchanger.

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