阅读说明：本技术 一种基于物联网的中央空调节能控制系统 (Central air conditioning energy-saving control system based on Internet of things ) 是由 罗武晓 王启中 于 2019-10-22 设计创作，主要内容包括：本发明公开了中央空调技术领域的一种基于物联网的中央空调节能控制系统,包括太阳能供电系统、中央空调控制系统,本发明通过设计太阳能供电系统实现了节能的效果,通过设计烟雾传感器与温度传感器,配合冷却机组、换气机组与消防喷淋机组,换气机组中变速送风机关闭,停止供应带氧气的新鲜空气,变速回风机打开,迅速排出室内由火灾产生的烟雾,保护建筑内的人员疏散顺利,同时开启喷淋头对着火处进行灭火,通过第一烟雾传感器检测排出气体是否烟雾过量,并通过报警系统警示工作人员,通过设计检测过滤模块中,使得排出的一部分冷却空气重新被利用,实现了中央空调控制系统结合消防装置起到灭火保护且节能的效果。(The invention discloses an energy-saving control system of a central air conditioner based on the Internet of things, which belongs to the technical field of central air conditioners and comprises a solar power supply system and a central air conditioner control system, the energy-saving effect is realized by designing the solar power supply system, by designing the smoke sensor and the temperature sensor and matching with the cooling unit, the ventilator unit and the fire-fighting spraying unit, the variable-speed blower in the ventilator unit is closed, the supply of fresh air with oxygen is stopped, the variable-speed return fan is opened, smoke generated by fire in a room is rapidly discharged, and people in a building are smoothly evacuated, meanwhile, the spray header is opened to extinguish the fire, the first smoke sensor is used for detecting whether the exhaust gas has excessive smoke or not, the alarm system is used for warning the working personnel, through the design, the detection and filtration module enables a part of discharged cooling air to be reused, and the effects of fire extinguishing protection and energy saving by combining the central air-conditioning control system with the fire-fighting device are achieved.)

1. The utility model provides a central air conditioning energy-saving control system based on thing networking, including solar energy power supply system (1), temperature sensor (2), indoor smoke transducer (3), humidity transducer (4), cooling water pump temperature sensor (5), chilled water pump temperature sensor (6), first smoke transducer (7), second smoke transducer (8), central air conditioning control system (9), cooling unit (10), ventilator unit (11), fire sprinkler unit (12), communication module (13), mobile terminal (14), maintenance platform (15), cooling tower fan (16), cooling water pump (17), chilled water pump (18), compressor (19), its characterized in that: central air conditioning control system (9) and temperature sensor (2), indoor smoke transducer (3), humidity transducer (4), cooling water pump temperature sensor (5), frozen water pump temperature sensor (6), first smoke transducer (7), second smoke transducer (8), cooling unit (10), air regenerating unit (11), fire control spraying unit (12), communication module (13) signal connection, mobile terminal (14), maintenance platform (15) and communication module (13) signal connection, cooling unit (10) include cooling tower fan (16), cooling water pump (17), frozen water pump (18) and compressor (19).

2. The energy-saving control system for the central air conditioner based on the internet of things as claimed in claim 1, wherein: ventilator unit (11) are including air inlet door aperture adjusting module (110), air outlet door aperture adjusting module (111), temperature and humidity detection module (112), variable speed forced draught blower (113), variable speed return air machine (114), detection filter module (115), alarm module (116), user room (117), air inlet door aperture adjusting module (110), temperature and humidity detection module (112) and variable speed forced draught blower (113) signal connection, variable speed forced draught blower (113) and user room (117) signal connection, user room (117) and variable speed return air machine (114) signal connection, variable speed return air machine (114), air outlet door aperture adjusting module (111) and detection filter module (115) signal connection, detection filter module (115) and air inlet door adjusting module (110), alarm module (116) signal connection, air inlet door aperture adjusting module (110), The air exhaust opening degree adjusting module (111), the variable speed blower (113), the variable speed return fan (114), the detection filtering module (115) and the alarm module (116) are in signal connection with the central air-conditioning control system (9).

3. The energy-saving control system for the central air conditioner based on the internet of things as claimed in claim 2, wherein: the detection and filtration module (115) comprises a return pipe (11501), a conical pipe (11504) is welded at the bottom of the return pipe (11501), an air inlet pipe (11500) is connected to the bottom end of the conical pipe (11504) in a sealing manner, a connecting pipe (11510) is welded at the top of the return pipe (11501), an air outlet pipe (11502) is connected to the top end of the connecting pipe (11510) in a sealing manner, an air inlet electromagnetic valve (11503) is arranged at the position of the air inlet pipe (11500), the first smoke sensor (7) is arranged on the left side of the top of an inner cavity of the conical pipe (11515), a metal filter screen (11505), an active carbon filter screen (11506) and an adsorption layer (11507) are symmetrically arranged in the inner cavity of the return pipe (11501) from top to bottom, ultraviolet lamp sets (11509) are symmetrically arranged on the left side of the middle of the inner cavity of the connecting pipe, the utility model discloses a refrigerator, including the cover plate, the outlet duct (11502) department is equipped with air outlet solenoid valve (11511), the cavity inner wall of returning type pipe (11501) is equipped with heating module (11512), refrigeration module (11513) and magazine (11508), the front and back side of returning type pipe (11501) is through recess sealing connection apron (11514), metal filters (11504), active carbon filter screen (11506), adsorbed layer (11507) survey all closely to laminate with the interior terminal surface of apron (11514) around.

4. The energy-saving control system for the central air conditioner based on the Internet of things as claimed in claim 3, wherein: the front side of metal filters (11504), activated carbon filter (11506), adsorbed layer (11507) is equipped with heat-resisting sealing strip, metal filters (11504), activated carbon filter (11506), adsorbed layer (11507) are at the inner chamber of returning type pipe (11501) through the cassette joint.

5. The energy-saving control system for the central air conditioner based on the Internet of things as claimed in claim 3, wherein: an alarm module, a power supply module and a line concentration box are arranged in the cassette (11508), the power supply module is in signal connection with the heating module (11512), the refrigerating module (11513), the alarm module, the air inlet electromagnetic valve (11503), the air outlet electromagnetic valve (11511) and the ultraviolet lamp set (11509), and the alarm module is in signal connection with the mobile terminal 14.

6. The energy-saving control system for the central air conditioner based on the Internet of things as claimed in claim 3, wherein: the air inlet electromagnetic valve (11503), the air outlet electromagnetic valve (11511), the heating module (11512) and the refrigerating module (11513) are in signal connection with the central air-conditioning control system (9).

Technical Field

The invention relates to the technical field of central air conditioners, in particular to a central air conditioner energy-saving control system based on the Internet of things.

Background

Along with the increasing development of social economy, the building energy consumption accounts for about 30% in the whole social energy consumption, and the central air-conditioning energy consumption accounts for 40% -50% in the whole building energy consumption, so that the energy-saving space of the central air-conditioning system is fully excavated, huge energy-saving benefits can be brought, and the current increasingly difficult energy-saving and emission-reduction targets can be realized. At present, the design of a central air-conditioning system is mostly based on daily load for type selection calculation, the daily load of general design is basically close to the annual maximum load, but the central air-conditioning equipment is always in partial load working condition in most of the annual operation time, so that the whole central air-conditioning system generates huge energy waste.

For example, CN201820058241.5 discloses an energy-saving control system for central air conditioner based on internet of things, which comprises a controller, a detection module, an output control module and a mobile terminal, wherein the detection module comprises a temperature sensor, a humidity sensor, a pressure sensor, a flow sensor, a wind speed sensor, an infrared sensor, a carbon dioxide concentration sensor, a PM2.5 sensor, a formaldehyde sensor, a VOC sensor and a video monitor. The output control module comprises an air conditioner host, a fresh air fan, an alarm, an air purifier and a liquid crystal display, the air conditioner host comprises a condenser, a cooling pump, an evaporator and a freezing pump, the condenser is connected with the cooling pump through a pipeline, the evaporator is connected with the freezing pump through a pipeline, a waste heat recoverer is connected between the condenser and the cooling pump, and the mobile terminal is connected with the controller through a wireless network.

Although the above patent realizes the function of automatic optimization control, realizes waste heat recovery, plays an energy-saving role, but the central air conditioner is designed in a high-rise building more, and when a fire breaks out, the system can not combine a fire-fighting device to play the role of fire extinguishing protection, and can not automatically switch to a drying mode according to the environmental humidity, thereby saving the electric energy.

Based on the above, the invention designs the energy-saving control system of the central air conditioner based on the Internet of things, so as to solve the problems.

Disclosure of Invention

The invention aims to provide an energy-saving control system of a central air conditioner based on the Internet of things, and aims to solve the problems that when a fire disaster occurs in a high-rise building, the fire extinguishing protection effect cannot be realized by combining a fire fighting device, the drying mode cannot be automatically switched according to the environment humidity, and the electric energy is saved.

In order to achieve the technical purpose and achieve the technical effect, the invention provides the following technical scheme:

preferably, the central air-conditioning energy-saving control system based on the Internet of things comprises a solar power supply system, a temperature sensor, an indoor smoke sensor, a humidity sensor, a cooling water pump temperature sensor, a chilled water pump temperature sensor, a first smoke sensor, a second smoke sensor, a central air-conditioning control system, a cooling unit, an air interchanger, a fire-fighting spray unit, a communication module, a mobile terminal, a maintenance platform, a cooling tower fan, a cooling water pump, a chilled water pump and a compressor, wherein the central air-conditioning control system is in signal connection with the temperature sensor, the indoor smoke sensor, the humidity sensor, the cooling water pump temperature sensor, the chilled water pump temperature sensor, the first smoke sensor, the second smoke sensor, the cooling unit, the air interchanger, the fire-fighting spray unit and the communication module, the mobile terminal and the maintenance platform are in signal connection with the communication, the cooling unit comprises a cooling tower fan, a cooling water pump, a chilled water pump and a compressor.

Preferably, the ventilator unit includes air inlet opening degree regulation module, air exhaust door opening degree regulation module, temperature and humidity detection module, variable speed forced draught blower, variable speed return air machine, detection filtration module, alarm module, user room, air inlet opening degree regulation module, temperature and humidity detection module and variable speed forced draught blower signal connection, variable speed forced draught blower and user room signal connection, user room and variable speed return air machine signal connection, variable speed return air machine, air exhaust opening degree regulation module and detection filtration module signal connection, detection filtration module and air inlet door regulation module, alarm module signal connection, air inlet opening degree regulation module, air exhaust door opening degree regulation module, variable speed forced draught blower, variable speed return air machine, detection filtration module, alarm module and central air conditioning control system signal connection.

Preferably, the detection and filtration module comprises a loop pipe, a conical pipe is welded at the bottom of the loop pipe, an air inlet pipe is hermetically connected at the bottom end of the conical pipe, a connecting pipe is welded at the top of the loop pipe, an air outlet pipe is hermetically connected at the top end of the connecting pipe, an air inlet electromagnetic valve is arranged at the air inlet pipe, the first smoke sensor is arranged on the left side of the top of the inner cavity of the conical pipe, a metal filter screen, an active carbon filter screen and an adsorption layer are symmetrically arranged in the inner cavity of the loop pipe from top to bottom, ultraviolet lamp sets are symmetrically arranged on the left and right sides of the lower part of the inner cavity of the connecting pipe, the second smoke sensor is arranged on the left side of the middle part of the inner cavity of the connecting pipe, an air outlet electromagnetic valve is arranged at the air outlet pipe, the front and back sides of the metal filter screen, the active carbon filter screen and the adsorption layer are tightly attached to the inner end face of the cover plate.

Preferably, the front side of metal filters, active carbon filter screen, adsorbed layer is equipped with heat-resisting sealing strip, metal filters, active carbon filter screen, adsorbed layer pass through the cassette joint in the inner chamber of returning the type pipe.

Preferably, an alarm module, a power module and a line concentration box are arranged in the cassette, the power module is in signal connection with the heating module, the refrigerating module, the alarm module, the air inlet electromagnetic valve, the air outlet electromagnetic valve and the ultraviolet lamp bank, and the alarm module is in signal connection with the mobile terminal.

Preferably, the air inlet electromagnetic valve, the air outlet electromagnetic valve, the heating module and the refrigerating module are in signal connection with a central air-conditioning control system.

Compared with the prior art, the invention has the beneficial effects that: the invention realizes the energy-saving effect by designing a solar power supply system, and by designing an indoor smoke sensor and a temperature sensor, matching with a cooling unit, a ventilator unit and a fire-fighting spray unit, when a fire disaster happens, the cooling unit is closed to prevent the device from being burnt out, a variable-speed blower in the ventilator unit is closed to stop supplying fresh air with oxygen, a variable-speed return fan is opened to rapidly discharge indoor smoke generated by the fire disaster to protect people in a building from being evacuated smoothly, meanwhile, a spray head is opened to extinguish the fire at the ignition part, a part of discharged cooling air is reused by a detection filter module through designing the detection filter module to achieve the energy-saving effect, an air inlet electromagnetic valve and an air outlet electromagnetic valve are designed to control whether discharged air is reused by the detection filter module, and whether the discharged air contains excessive smoke is detected by designing a first smoke sensor, if the smoke is excessive, the air inlet electromagnetic valve is closed, workers are warned through the alarm system, whether return air is not completely filtered or not is detected through designing the second smoke sensor, the maintenance platform is informed through the alarm system to replace each filter screen, and the return air is heated or cooled through designing the heating module and the cooling module to reach the set temperature and be reused.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a central air conditioning control system module according to the present invention;

fig. 2 is a schematic view of a ventilator block module of the present invention;

FIG. 3 is a schematic view of a detection filter module according to the present invention;

FIG. 4 is a schematic diagram of the operation of the fire suppression control system of the present invention;

FIG. 5 is a schematic view of a maintenance inspection filtering process of the present invention;

FIG. 6 is a schematic diagram of the dehumidification energy-saving working process of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-a solar power supply system, 2-a temperature sensor, 3-an indoor smoke sensor, 4-a humidity sensor, 5-a cooling water pump temperature sensor, 6-a chilled water pump temperature sensor, 7-a first smoke sensor, 8-a second smoke sensor, 9-a central air conditioning control system, 10-a ventilator unit, 11-a cooling unit, 12-a fire sprinkler unit, 13-a communication module, 14-a mobile terminal, 15-a maintenance platform, 16-a cooling tower fan, 17-a cooling water pump, 18-a chilled water pump, 19-a compressor, 110-an air inlet opening degree adjusting module, 111-an exhaust door opening degree adjusting module, 112-a temperature and humidity detection module, 113-a variable speed blower and 114-a variable speed return fan, 115-detection filtering module, 116-alarm module, 117-user room, 11500-air inlet pipe, 11501-return pipe, 11502-air outlet pipe, 11503-air inlet electromagnetic valve, 11504-conical pipe, 11505-metal filter screen, 11506-activated carbon filter screen, 11507-adsorption layer, 11508-cassette, 11509-ultraviolet lamp set, 11510-connecting pipe, 11511-air outlet electromagnetic valve, 11512-heating module, 11513-refrigerating module and 11514-cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a central air-conditioning energy-saving control system based on the Internet of things comprises a solar power supply system 1, a temperature sensor 2, an indoor smoke sensor 3, a humidity sensor 4, a cooling water pump temperature sensor 5, a chilled water pump temperature sensor 6, a first smoke sensor 7, a second smoke sensor 8, a central air-conditioning control system 9, a cooling unit 10, a ventilator unit 11, a fire-fighting spray unit 12, a communication module 13, a mobile terminal 14, a maintenance platform 15, a cooling tower fan 16, a cooling water pump 17, a chilled water pump 18 and a compressor 19, wherein the central air-conditioning control system 9, the temperature sensor 2, the indoor smoke sensor 3, the humidity sensor 4, the cooling water pump temperature sensor 5, the chilled water pump temperature sensor 6, the first smoke sensor 7, the second smoke sensor 8, the cooling unit 10, the ventilator unit 11, the fire-fighting spray unit 12, a temperature sensor 3, the communication module 13 is in signal connection, the mobile terminal 14 and the maintenance platform 15 are in signal connection with the communication module 13, and the cooling unit 10 comprises a cooling tower fan 16, a cooling water pump 17, a chilled water pump 18 and a compressor 19.

Further, the ventilator set 11 includes an intake door opening adjusting module 110, an exhaust door opening adjusting module 111, a temperature and humidity detecting module 112, a variable speed blower 113, a variable speed return fan 114, a detecting and filtering module 115, an alarm module 116, and a user room 117, wherein the intake door opening adjusting module 110, the temperature and humidity detecting module 112 are in signal connection with the variable speed blower 113, the variable speed blower 113 is in signal connection with the user room 117, the user room 117 is in signal connection with the variable speed return fan 114, the exhaust door opening adjusting module 111 are in signal connection with the detecting and filtering module 115, the detecting and filtering module 115 is in signal connection with the intake door adjusting module 110 and the alarm module 116, the air inlet opening degree adjusting module 110, the air outlet opening degree adjusting module 111, the variable speed blower 113, the variable speed return fan 114, the detection filtering module 115 and the alarm module 116 are in signal connection with the central air-conditioning control system 9.

Further, the detection and filtration module 115 comprises a clip-shaped tube 11501, a conical tube 11504 is welded at the bottom of the clip-shaped tube 11501, an air inlet tube 11500 is hermetically connected at the bottom end of the conical tube 11504, a connecting tube 11510 is welded at the top of the clip-shaped tube 11501, an air outlet tube 11502 is hermetically connected at the top end of the connecting tube 11510, an air inlet electromagnetic valve 11503 is arranged at the position of the air inlet tube 11500, a first smoke sensor 7 is arranged at the left side of the top of an inner cavity of the conical tube 11515, a metal filter screen 11505, an activated carbon filter screen 11506 and an adsorption layer 11507 are symmetrically arranged in the inner cavity of the clip-shaped tube 11501 from top to bottom, ultraviolet lamp sets 11509 are symmetrically arranged at the left and right sides of the lower part of the inner cavity of the connecting tube 11510, an air outlet electromagnetic valve 11511 is arranged at the position of the air outlet tube 11502, a heating module 11512, a refrigeration module 11513 and a cassette 08 are arranged on, the front and back sides of the metal filter screen 11504, the activated carbon filter screen 11506 and the adsorption layer 11507 are tightly attached to the inner end face of the cover plate 11514.

Furthermore, heat-resistant sealing strips are arranged on the front sides of the metal filter screen 11504, the activated carbon filter screen 11506 and the adsorption layer 11507, and the metal filter screen 11504, the activated carbon filter screen 11506 and the adsorption layer 11507 are clamped in the inner cavity of the hollow square tube 11501 through clamping seats.

Furthermore, an alarm module, a power supply module and a line concentrator are arranged in the cassette 11508, the power supply module is in signal connection with the heating module 11512, the refrigerating module 11513, the alarm module, the air inlet electromagnetic valve 11503, the air outlet electromagnetic valve 11511 and the ultraviolet lamp set 11509, and the alarm module is in signal connection with the mobile terminal 14.

Further, the air inlet solenoid valve 11503, the air outlet solenoid valve 11511, the heating module 11512 and the refrigerating module 11513 are in signal connection with the central air-conditioning control system 9.

One specific application of this embodiment is: as shown in fig. 2, fresh air enters through the air inlet door opening adjusting module, is sent into the air conditioning pipeline through the variable speed blower and is sent into a room of a user, discharged air is sent to the air outlet door opening adjusting module through the variable speed air return fan, a part of the discharged air is discharged to the outside, and a part of the discharged air is sent into the room of the user together with the fresh air through the detecting and filtering module, so that the energy-saving effect is achieved.

As shown in fig. 3, in case of fire, the first smoke sensor 7 of the detection filter module 115 detects that the exhaust gas concentration exceeds the standard, and closes the air inlet solenoid valve 11503 to prevent toxic smoke from entering the detection filter module. During normal operation, each filter screen of the detection filter module 115 realizes a filtering function, and the heating module 11512 and the cooling module 11513 heat or cool the return air, thereby saving energy.

As shown in fig. 4, when a fire occurs, the indoor smoke sensor and the temperature sensor detect that smoke concentration exceeds the standard, temperature rises, the spray header of the fire-fighting spray unit is controlled to be opened through the central air-conditioning control system, the cooling unit is closed, the air inlet opening adjusting module of the ventilation unit is controlled to be closed, fresh air with oxygen is stopped to be supplied, the fire hazard range is prevented from being enlarged, the variable-speed air blower is controlled to be closed, the variable-speed return fan is set to operate for a short time at a high speed, smoke generated by the fire hazard is rapidly discharged, meanwhile, the refrigeration unit is closed, the unit is prevented from being burnt, the filtering module is detected to be closed, personnel evacuation is prompted through the alarm system, the ventilation unit is matched with the fire-fighting spray unit, toxic smoke generated by the fire hazard is discharged, personnel evacuation is protected when.

As shown in fig. 5, the maintenance function of the detection filter module 115 is realized, the second smoke sensor 8 detects that the smoke concentration is greater than a set value, the air inlet solenoid valve 11503 and the air outlet solenoid valve 11511 are closed, the maintenance platform is notified through an alarm system in the cassette 11508, the metal filter screen 11505, the activated carbon filter screen 11506 and the adsorption layer 11507 are replaced, each filter screen is clamped in the inner cavity of the clip type pipe 11501 through a clamping seat, a cover plate 11514 is fixed on the front side of the clip type pipe 11501 through groove sealing, the cover plate 11514 is opened through a groove during maintenance, and each filter screen can be taken out and replaced.

As shown in fig. 6, the energy-saving drying function is realized, during summer-autumn intersection and plum rainy season, the humidity sensor detects that the indoor air humidity is high, the temperature sensor detects that the indoor and outdoor temperature difference is reduced, the hot and humid environment is not beneficial to the evaporation of human sweat, at the moment, the drying and blowing speed can be higher than the cooling speed for reducing the human body temperature sensitivity, the central air-conditioning control system is designed to control the running speed of the compressor of the cooling unit to be lower, the running speed of the variable-speed air feeder and the variable-speed air return fan of the ventilator unit is higher, the air flowing speed is higher, the human body feeling temperature is reduced rapidly, the speed of the compressor is reduced, and compared with the cooling mode, the drying and blowing mode can.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.