CN111780259A - Air conditioning system with multipoint humidifying function and control method thereof - Google Patents
Air conditioning system with multipoint humidifying function and control method thereof Download PDFInfo
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- CN111780259A CN111780259A CN202010666340.3A CN202010666340A CN111780259A CN 111780259 A CN111780259 A CN 111780259A CN 202010666340 A CN202010666340 A CN 202010666340A CN 111780259 A CN111780259 A CN 111780259A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0087—Indoor units, e.g. fan coil units with humidification means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/10—Pressure
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- Mathematical Physics (AREA)
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Abstract
The invention provides an air conditioning system with a multipoint humidifying function, wherein a humidifying host machine is connected with each air conditioning indoor unit through a water pipe without signal transmission, each air conditioning indoor unit performs automatic humidity control according to the humidity of a space where the air conditioning indoor unit is located, a first electromagnetic valve is intelligently judged to be opened or closed, each air conditioning indoor unit is independently controlled, humidification and refrigeration or heating can be operated in parallel, and the use adaptability is high. The invention also provides a control method of the humidification host and a control method of the air conditioner indoor units, which are applied to the air conditioner system with the multipoint humidification function, wherein the detection pressure fed back by the water pressure sensor is compared with the set pressure, the output power of the driving mechanism is adjusted, the water pressure processed by the driving mechanism is maintained at the set pressure, and the air conditioner indoor units respectively open or close the first electromagnetic valve according to actual requirements by detecting the humidity of the space where the air conditioner indoor units are located and comparing the detected humidity with the set humidity.
Description
Technical Field
The invention belongs to the technical field of air conditioning, and particularly relates to an air conditioning system with a multipoint humidification function and a control method thereof.
Background
At present, the popularity of an air conditioning system is very high, the air conditioning system is installed in families, office buildings, hospitals, commercial squares and the like, and a common air conditioning system has two functions of refrigeration and heating, but no matter the air conditioning system is started for refrigeration in summer or the air conditioning system is started for heating in winter, indoor air becomes dry, when the air conditioning system is started for refrigeration in summer, water vapor in the air is cooled and condensed into water drops in an indoor heat exchanger, namely, the air is dehumidified, so that the water vapor in the air is reduced continuously; when the air conditioner is turned on to heat in winter, indoor heat is cold outdoors, glass such as a window and the like which is in contact with outdoor air is cold, water vapor in the indoor air is condensed into water drops on the glass, the indoor temperature is increased, the relative humidity is reduced, and people feel dry and uncomfortable.
At present, for indoor humidification, a plurality of humidification devices are usually purchased, so that the humidification devices occupy the space, increase the cost and do not fully utilize hardware in the original air conditioning system. The disadvantage is particularly obvious when the building is humidified, because the building uses a central air conditioner and has a large number of rooms, a humidifying device needs to be purchased in each room, the cost is high, and the management is inconvenient.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides an air conditioning system with a multipoint humidifying function and a control method thereof, solves the problem that a humidifying device needs to be purchased additionally for indoor humidification at present, is high in integration degree by adding the humidifying function on a conventional air conditioning indoor unit, can be used for dragging humidification of a plurality of air conditioning indoor units by one humidifying host, is relatively independent in control of the humidifying system and the refrigerating system, can be used for parallel operation of humidification and refrigeration or heating, and is high in use adaptability.
The invention provides an air conditioning system with a multipoint humidifying function, which comprises a humidifying host and at least one air conditioner indoor unit, wherein the humidifying host is connected with the air conditioner indoor unit through a water pipe;
the humidifying host comprises a driving mechanism, a water pressure sensor and a humidifying host control system, wherein the driving mechanism is provided with a water inlet and a water outlet, the water pressure sensor is used for detecting the pressure of water treated by the driving mechanism, the driving mechanism and the water pressure sensor are respectively and electrically connected with the humidifying host control system, and the humidifying host control system is connected with an external power supply;
the air conditioner indoor unit comprises a first electromagnetic valve, a humidity sensor, an indoor control system, an indoor fan, an indoor unit shell and at least one sprayer, wherein the first electromagnetic valve, the humidity sensor, the indoor control system, the indoor fan and the sprayer are all arranged on the indoor unit shell, the inlet end of the first electromagnetic valve is connected with the water outlet through a water pipe, the outlet end of the first electromagnetic valve is connected with the sprayer through a water pipe, the first electromagnetic valve is electrically connected with the indoor control system, the humidity sensor is electrically connected with the indoor control system, the indoor fan is electrically connected with the indoor control system, the humidity sensor is used for detecting air humidity, the indoor control system is used for controlling the indoor fan to be opened and closed, and the indoor control system is also used for controlling the first electromagnetic valve to be opened and closed, the indoor control system is connected with an external power supply.
Further, actuating mechanism includes motor and water pump, the motor with the water pump is connected, the motor with humidification host computer control system electricity is connected.
Further, the motor is a brushless motor.
Further, the water pressure sensor is connected to the water pump outlet, and the water pressure sensor is used for detecting the pressure of water at the water pump outlet.
Further, the humidification host control system comprises a first operator and a first processor, the first operator is in signal connection with the first processor, and the motor and the water pressure sensor are respectively and electrically connected with the first processor.
Further, the driving mechanism further comprises a first safety valve, and the first safety valve is arranged in the water pump.
Further, the humidification host computer still includes humidification host computer casing, actuating mechanism, water pressure sensor and first treater are all installed inside the humidification host computer casing, first operation ware is installed on the humidification host computer casing wall.
Further, the air conditioner indoor unit further comprises a second electromagnetic valve, the inlet end of the second electromagnetic valve is connected between the outlet end of the first electromagnetic valve and the spray head through a water pipe, and the outlet end of the second electromagnetic valve is connected with a bypass water pipe.
Further, an air inlet and an air outlet are arranged on the inner shell, the air conditioner inner unit further comprises an air outlet duct, the indoor fan is connected with the air outlet through the air outlet duct, and the spray head is arranged on one side of the air outlet of the inner shell.
Furthermore, the air conditioner internal unit also comprises a condensation drain pipe, and a bypass water pipe of the air conditioner internal unit is connected with the condensation drain pipe.
Further, the air conditioner indoor unit further comprises an indoor unit water receiving tank, and the bypass water pipe is connected with the indoor unit water receiving tank.
Further, the indoor control system comprises a second operator and a second processor, the first electromagnetic valve, the humidity sensor, the second electromagnetic valve and the indoor fan are respectively electrically connected with the second processor, and the second operator is in signal connection with the second processor.
Furthermore, the second operator is a remote controller, and the second processor is provided with a receiving module for receiving a remote control signal of the second operator.
Further, the second processor further comprises a status display, and the status display is used for displaying the running status of the air conditioner indoor unit.
The invention also provides a control method applied to the air conditioning system with the multi-point humidifying function, which is used for a humidifying main machine and comprises a constant-pressure mode, wherein the constant-pressure mode comprises the following steps:
step S1, sending a starting instruction to a driving mechanism, wherein the starting instruction is used for enabling the driving mechanism to operate;
step S2, receiving a detection pressure signal fed back by the water pressure sensor, and comparing the detection pressure with a set pressure;
step S3, if the detected pressure is smaller than the set pressure, sending a speed-up instruction to the driving mechanism, wherein the speed-up instruction is used for increasing the output power of the driving mechanism; and if the detected pressure is greater than the set pressure, sending a speed reduction command to the driving mechanism, wherein the speed reduction command is used for reducing the output power of the driving mechanism.
Further, a constant speed mode is included in which the drive mechanism maintains a set rotation speed.
The invention also provides a control method applied to the air conditioning system with the multipoint humidification function, which is used for an air conditioner internal unit and comprises a humidification mode, wherein the humidification mode comprises the following steps:
step S1, receiving a command of starting a humidification mode, and executing a first action, wherein the first action comprises starting an indoor fan and detecting a humidity signal;
step S2, comparing the detected humidity with a set humidity, and if the detected humidity is less than the set humidity, sending an opening instruction to the first electromagnetic valve, wherein the opening instruction is used for opening the first electromagnetic valve; and if the detected humidity is greater than the set humidity, sending a closing instruction to the first electromagnetic valve, wherein the closing instruction is used for closing the first electromagnetic valve.
Further, in a shutdown program, a shutdown instruction is received, a closing instruction is sent to the first electromagnetic valve, an opening instruction is sent to the second electromagnetic valve, after a set pressure relief time, a closing instruction is sent to the second electromagnetic valve, and a closing instruction is sent to the indoor fan.
Further, when the humidification mode is switched to other modes, a mode switching instruction is received, a closing instruction is sent to the first electromagnetic valve, an opening instruction is sent to the second electromagnetic valve, and after the set pressure relief time, a closing instruction is sent to the second electromagnetic valve.
The invention has the beneficial effects that:
the invention provides an air conditioning system with a multipoint humidifying function, wherein a humidifying host is connected with each air conditioner indoor unit through a water pipe, no signal is transmitted between the humidifying host and each air conditioner indoor unit, the electromagnetic interference to the environment is reduced, the connection structure of the system is simple, and redundant line connection is not needed; the humidification host is responsible for continuously providing high-pressure water with certain water pressure, the high-pressure water is conveyed into each air conditioner indoor unit through a water pipe, each air conditioner indoor unit opens or closes a first electromagnetic valve according to the humidity of the space where the air conditioner indoor unit is located, the refrigeration, heating and humidification of the air conditioner indoor unit share one indoor fan and one set of indoor control system, few devices are added for achieving the humidification function, the structure is simple, the control is independent, the external humidification host does not need to be controlled under the normal operation state, each air conditioner indoor unit carries out automatic humidity control according to the space where the air conditioner indoor unit is located, the space where the air conditioner indoor unit is located can be maintained under a stable humidity environment, the humidification system is relatively independent to the control of the refrigeration system, each air conditioner can be independently controlled, the humidification and the refrigeration or the heating can be operated.
Correspondingly, the invention also provides a control method of the humidification host machine applied to the air conditioning system with the multipoint humidification function, the detection pressure fed back by the water pressure sensor is compared with the set pressure, the output power of the driving mechanism is adjusted, the water pressure processed by the driving mechanism is maintained at the set pressure, and in the mode, when the number of the air conditioner internal machines which open the first electromagnetic valve is increased, the water pressure in the water pipe is reduced, the driving mechanism improves the output power, and further the water pressure is increased; when the number of the air conditioner internal units for opening the first electromagnetic valve is reduced, the water pressure in the water pipe rises, the driving mechanism reduces the output power, and then the water pressure is reduced, so that the air conditioning system achieves dynamic pressure balance, is efficient and energy-saving, and is intelligent in control.
Correspondingly, the invention also provides a control method of the air conditioner indoor units applied to the air conditioning system with the multipoint humidification function, under the humidification mode, each air conditioner indoor unit respectively realizes the opening or closing of the first electromagnetic valve according to the actual requirement by detecting the humidity of the space where the air conditioner indoor unit is located and comparing the detected humidity with the set humidity, and because the refrigeration, heating and humidification of the air conditioner indoor units share one indoor fan and one set of indoor control system, only the start and stop of the first electromagnetic valve need to be controlled during the mode switching, the indoor fan does not need to be controlled, the method realizes the multipoint distribution intelligent control, and the flexibility is high.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a humidification main unit in an air conditioning system with a multipoint humidification function provided by the invention.
Fig. 2 is a schematic structural diagram of an air conditioner indoor unit in an air conditioning system with a multipoint humidification function according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an air conditioner internal unit in another embodiment of the air conditioning system with the multipoint humidification function provided by the invention.
Fig. 4 is a schematic block diagram of the overall structure of an air conditioning system with a multipoint humidification function in one embodiment of the invention.
Fig. 5 is a schematic block diagram of the overall structure of an air conditioning system with a multipoint humidification function according to another embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1:
referring to fig. 1 to 5, embodiment 1 provides an air conditioning system with a multipoint humidification function, including a humidification host 1 and at least one air conditioning indoor unit 201, where the humidification host 1 is connected to the air conditioning indoor unit 201 through a water pipe;
the humidifying main machine 1 comprises a driving mechanism, a water pressure sensor 4 and a humidifying main machine control system 5, the driving mechanism is provided with a water inlet 31 and a water outlet 32, tap water flows in from the water inlet 31 and flows out from the water outlet 32 after being processed by the driving mechanism, the water pressure sensor 4 is used for detecting the pressure of the water processed by the driving mechanism, the driving mechanism and the water pressure sensor 4 are respectively and electrically connected with the humidification host control system 5, the humidification host control system 5 is connected with an external power supply, the water pressure sensor 4 feeds a detection pressure signal back to the humidification host control system 5, a set pressure is originally set in the humidification host control system 5, the humidification host control system 5 controls the output power of the driving mechanism according to the relation between the detection pressure and the set pressure, and the pressure of the water processed by the driving mechanism gradually approaches to the set pressure.
The indoor unit 201 of the air conditioner comprises a first electromagnetic valve 6, a humidity sensor 7, an indoor control system, an indoor fan 21, an inner casing 20 and at least one spray head 8, wherein the number of the spray heads 8 is set according to the actual space of the indoor unit 201 of the air conditioner, one or two spray heads 8 can be set when the space is small, four or five spray heads 8 can be set when the space is large, and the more the number of the spray heads 8 is, the more the humidifying effect on the space is obvious; the first electromagnetic valve 6, the humidity sensor 7, the indoor control system, the indoor fan 21 and the spray head 8 are all arranged on the inner shell body 20, all devices are integrated in the same shell body, the conventional refrigeration and heating functions are realized, meanwhile, the humidifying function is added, the space occupied by the added first electromagnetic valve 6, the humidity sensor 7 and the spray head 8 is not large, the indoor fan 21 and the indoor control system are shared, and resources are saved; additionally, the inlet end of the first electromagnetic valve 6 is connected with the water outlet 32 through a water pipe, the outlet end of the first electromagnetic valve 6 is connected with the spray head 8 through a water pipe, the first electromagnetic valve 6 is electrically connected with the indoor control system, the humidity sensor 7 is electrically connected with the indoor control system, the indoor fan 21 is electrically connected with the indoor control system, the humidity sensor 7 is used for detecting air humidity, the indoor control system is used for controlling the indoor fan 21 to be opened and closed, the indoor control system is also used for controlling the first electromagnetic valve 6 to be opened and closed, the indoor control system is connected with an external power supply, the humidity sensor 77 is used for detecting air humidity and sending a signal to the indoor control system, and when the indoor control system judges that the detected air humidity is lower than the set humidity, the first electromagnetic valve 6 is controlled to be opened, high-pressure water flows to the spray head 8 after passing through the first electromagnetic valve 6, and is atomized and sprayed to the space where the air conditioner indoor units 201 are located under the action of the spray head 8, so that the humidifying effect is achieved, the operation of the air conditioner indoor units 201 is not interfered with each other, and the control is independent.
This air conditioning system with multiple spot humidification function uses the scene extensively, refer to fig. 4, when using under the family scene, a humidification host computer 1 can drive many air conditioner internal units 201, satisfy the common humidification in living room and room in the family, and no matter these many air conditioner internal units 201 are driven by an air conditioner outer unit 202 or many air conditioner outer units 202 drive, do not influence the air conditioner outer unit 202 to the control of humidification, the control of refrigeration/heat and humidification is mutual noninterference, every room all can control the humidification alone, can also compromise effects such as original refrigeration, heating.
Referring to fig. 5, when the air conditioning system is used in a building scene, a central air conditioning system is used in a general building, one air conditioner is provided, the outdoor unit 202 has a plurality of air conditioning indoor units 201, the distribution of the air conditioning indoor units 201 is wide, one air conditioning indoor unit 201 may be in one room, a plurality of air conditioning indoor units 201 may be provided, the air conditioning indoor unit 201 with a humidifying function is adopted at each end, the connection relationship between the humidifying host 1 and the air conditioning indoor units 201 is matched according to actual conditions, in a plurality of rooms with low requirements for humidity, one humidifying host 1 can be shared by the plurality of air conditioning indoor units 201, for a room with high requirements for humidity, one humidifying host 1 can be configured by one air conditioning indoor unit 201, and the air conditioning system with the multi-point humidifying function is flexible to install and.
In addition, the water inlet 31 of the humidifying host 1 is connected with external tap water, and a filter screen, an active carbon device and an ultraviolet sterilization device can be additionally arranged at the water inlet 31 to carry out necessary treatment on the tap water entering the host, thereby ensuring the safety of the water quality in the air conditioning system; when the public environment space needs to be sterilized, a disinfectant is added into tap water and sprayed to the space where each air conditioner internal unit 201 is located through an air conditioning system, so that the sterilization and disinfection of a plurality of spaces are realized; the water pressure of the water boosted by the driving mechanism is controlled to be 50kg/cm through the detection and feedback of the water pressure sensor 42Under the pressure, after the tap water is sprayed out through the spray head 8, in the atomization process, negative oxygen ions can be generated due to the impact of water molecules, and a natural ecological environment such as a forest and a waterfall can be created.
Referring to fig. 1, in the present embodiment, the driving mechanism includes a motor 33 and a water pump 34, the motor 33 is connected to the water pump 34, and the motor 33 is electrically connected to the humidification host control system 5; the motor 33 is a brushless motor. The brushless motor can adjust the rotating speed in a stepless way, and when the detection pressure is far greater than the set pressure, the rotating speed of the brushless motor is greatly reduced; when the detected pressure is slightly larger than the set pressure, the brushless motor slightly reduces the rotating speed of the brushless motor; when the detected pressure is slightly lower than the set pressure, the brushless motor slightly increases the rotating speed; when the detection pressure is far smaller than the set pressure, the rotating speed of the brushless motor is greatly increased; the rotating speed adjusting mode can be well suitable for maintaining the water pressure in the water pipe at a set pressure level through the quick response of the brushless motor when a plurality of submachine are turned on or turned off simultaneously.
In this embodiment, water pressure sensor 4 is connected in the export of water pump 34, and water pressure sensor 4 connects the cavity of water pump 34, and water pressure sensor 4 is used for detecting the pressure of water in the export of water pump 34, so set up the integrated level height, installation and easy maintenance. As another embodiment, the water pressure sensor 4 may be installed on the water pipe connected to the water outlet 32 to sense the water pressure flowing into the water pipe after flowing out of the chamber of the water pump 34.
The humidification host control system 5 comprises a first operator 51 and a first processor 52, the first operator 51 is in signal connection with the first processor 52, the motor 33 and the water pressure sensor 4 are respectively electrically connected with the first processor 52, the signal transmission between the first operator 51 and the first processor 52 is in wired connection or wireless connection, and when the wired connection mode is used, the first operator 51 can be in a hand-operated touch screen mode or a notebook mode; when using the wireless connection mode, the first operator 51 may be in the form of APP, and display and operation can be realized directly through the mobile terminal.
In addition, the driving mechanism further comprises a first safety valve 41, the first safety valve 41 is arranged in the water pump 34, the first safety valve 41 is a small spherical valve structure, a front cavity and a rear cavity of the water pump 34 are communicated with each other, tap water flows in from the front cavity, the tap water flows out from the rear cavity after the water pump 34 does work, the pressure of the front cavity is low, the pressure of the rear cavity is high, and the first safety valve 41 is 60kg/cm2When the air conditioning system is blocked in the waterway system or the submachine is turned off, the motor 33 continuously works, the pressure in the water pipe is continuously increased, and if the rotating speed of the motor 33 is not regulated and controlled timely, the pressure in the water pipe reaches 60kg/cm2Or above, at this time, the first safety valve 41 triggers a protection action to release pressure, and water in the rear chamber is bypassed to the front chamber, so that the operating pressure of the whole waterway system is ensured not to exceed the range, and the air conditioning system is protected from being damaged; there is also a case whenWhen the rotating speed of the motor 33 is constant, the rotating speed of the motor 33 cannot be changed due to the pressure change in the water pipe, so when the closing number of the spray heads 8 of the submachine reaches a constant value, the pressure in the water pipe gradually rises due to the fact that the rotating speed of the motor 33 is not changed, and at the moment, water in the rear cavity can be discharged from the first safety valve 41 and flows into the front cavity to adapt to the system flow in the state and maintain the operating pressure in the water pipe; additionally, the operating pressure of the first relief valve 41 may be adjusted according to actual needs.
As an implementation mode, the humidification host 1 further includes a humidification host housing 10, the driving mechanism, the water pressure sensor 4 and the first processor 52 are all installed inside the humidification host housing 10, the first operator 51 is installed on the wall surface of the humidification host housing 10, the protection capability of the driving mechanism, the water pressure sensor 4 and the first processor 52 is improved, it is ensured that the first operator does not directly receive external environment changes, the first operator 51 is installed on the wall surface of the humidification host housing 10, operation and display are also convenient, a user can directly and visually see and control the display content of the first operator 51 outside, and the humidification host is more beautiful. Of course, if the actual installation environment is indoors and the environment is better, the housing can be omitted for cost reduction.
Referring to fig. 2 and 3, for the air conditioner internal unit 201, the air conditioner internal unit 201 further includes a second electromagnetic valve 9, an inlet end of the second electromagnetic valve 9 is connected between an outlet end of the first electromagnetic valve 6 and the spray head 8 through a water pipe, and an outlet end of the second electromagnetic valve 9 is connected with the bypass water pipe 91.
When the air conditioner indoor unit 201 needs to be closed or humidification is stopped, the first electromagnetic valve 6 is closed first, but residual water still exists in a water pipe between the first electromagnetic valve 6 and the spray head 8, and accordingly residual pressure exists, the residual water flows out from the spray head 8, therefore, a pressure relief process is needed, the second electromagnetic valve 9 is opened at the moment, the residual water flows into the bypass water pipe 91 through the second electromagnetic valve 9, the pressure of the other end of the bypass water pipe 91 is lower than that of one end of the bypass water pipe 91 connected with the second electromagnetic valve 9, the residual water flows into the bypass water pipe 91, and the water leakage problem after the air conditioner indoor unit 201 exits from the humidification mode is solved.
In this embodiment, the inner casing 20 is provided with an air inlet and an air outlet, the air conditioner inner unit 201 further includes an air outlet duct, the indoor fan 21 is connected to the air outlet through the air outlet duct, and the spray head 8 is disposed on one side of the air outlet of the inner casing 20; under the action of the indoor fan 21, after passing through the indoor heat exchanger 22, air is blown into the room from the air outlet through the air outlet duct, so that the spray head 8 is arranged at the same side with the air outlet, and water mist sprayed by the spray head 8 is blown farther under the driving of the air blown out from the air outlet, so that a high-humidity state at a local position is avoided, and a user feels a shower from top to bottom; certainly, as another embodiment, the nozzle 8 may be disposed in the air outlet duct, so that the nozzle 8 cannot be seen from the appearance, and the water mist sprayed out of the air outlet duct is taken away by the air immediately and is blown out from the air outlet.
As an implementation manner for solving the problem of water leakage after the air conditioner internal unit 201 exits the humidification mode, referring to fig. 2, the air conditioner internal unit 201 further includes a condensation drain pipe 93, and the bypass water pipe 91 of the air conditioner internal unit 201 is connected to the condensation drain pipe 93; the bypass water pipe 91 is directly led out of the air conditioner indoor unit 201, residual water is directly discharged out of the air conditioner indoor unit 201, and the bypass water pipe 91 and the condensation drain pipe 93 are connected to form a header pipe outside the air conditioner indoor unit 201, the header pipe is Y-shaped, and pipe running is facilitated.
As another embodiment, referring to fig. 3, the air conditioner indoor unit 201 further includes an indoor unit water receiving tank 92, the indoor unit water receiving tank 92 is used for receiving condensed water condensed by the indoor heat exchanger 22, the bypass water pipe 91 is connected to the indoor unit water receiving tank 92, the residual water is directly discharged into the indoor unit water receiving tank 92 and then discharged through a condensation drain pipe 93 on the indoor unit water receiving tank 92, and therefore a walking pipe outside the air conditioner indoor unit 201 is not needed, the integration degree is high, and the air conditioner indoor unit 201 is more attractive.
In the present embodiment, the indoor control system includes a second operator and a second processor 71, the first solenoid valve 6, the humidity sensor 7, the second solenoid valve 9 and the indoor fan 21 are electrically connected to the second processor 71, respectively, and the second operator is in signal connection with the second processor 71. By operating the second operator, the second processor 7171 sends instructions and modifies the setting parameters, so as to control the operating states of the loads such as the first electromagnetic valve 6, the second electromagnetic valve 9, the indoor fan 21 and the like, modify the set humidity, and adjust the required target humidity according to actual needs.
As a preferable scheme, the second operator is a remote controller, the second operator is controlled by an infrared remote control mode, the second processor 71 is provided with a receiving module for receiving a remote control signal of the second operator, and a plurality of sub-machines can share one remote controller, so that unified management is facilitated.
Furthermore, the second processor 71 further includes a status display, the status display is used for displaying the operation status of the air conditioner indoor unit 201, including the humidification status, the refrigeration status, or the heating status, and the status display is fixed on the wall surface of the casing of the air conditioner indoor unit 201, so that the user can view the status display conveniently.
Example 2:
embodiment 2 provides a control method applied to the air conditioning system with multi-point humidification function, which is used for humidifying the main unit 1, and comprises a constant voltage mode, wherein the constant voltage mode comprises the following steps:
step S1, sending a starting instruction to a driving mechanism, wherein the starting instruction is used for enabling the driving mechanism to operate;
step S2, receiving a detection pressure signal fed back from the water pressure sensor 4, and comparing the detection pressure with a set pressure;
step S3, if the detected pressure is smaller than the set pressure, sending a speed-up instruction to the driving mechanism, wherein the speed-up instruction is used for increasing the output power of the driving mechanism; and if the detected pressure is greater than the set pressure, sending a speed reduction command to the driving mechanism, wherein the speed reduction command is used for reducing the output power of the driving mechanism.
It should be noted that, in the constant pressure mode, a good feedback channel is formed between the water pressure sensor 4 and the driving mechanism, and when the detected pressure is greater than the set pressure, the driving mechanism reduces its output power; when the detected pressure is smaller than the set pressure, the driving mechanism increases the output power of the driving mechanism, and the mode is suitable for flexibly adjusting humidity of a plurality of spaces.
In addition, in the constant speed mode, the driving mechanism maintains the set rotating speed unchanged, the driving mechanism sets constant rotating speed output, constant flow is set from the source, and the mode is suitable for overall humidity regulation of a large space as long as the rotating speed is unchanged and the flow is also unchanged after the pipeline system is arranged.
Example 3:
embodiment 3 provides a control method applied to the air conditioning system with the multipoint humidification function, which is used for the air conditioning indoor unit 201, and comprises a humidification mode, wherein the humidification mode comprises the following steps:
step S1, receiving a command of starting a humidification mode, and executing a first action, wherein the first action comprises starting the indoor fan 21 and detecting a humidity signal;
step S2, comparing the detected humidity with a set humidity, and if the detected humidity is less than the set humidity, sending an opening instruction to the first electromagnetic valve 6, where the opening instruction is used to open the first electromagnetic valve 6; and if the detected humidity is greater than the set humidity, sending a closing instruction to the first electromagnetic valve 6, wherein the closing instruction is used for closing the first electromagnetic valve 6.
It should be noted that when entering the humidification mode, the humidification mode is entered when the device is started up, and the humidification mode is entered from other modes, if the humidification mode is entered when the device is started up, the indoor fan 21 needs to be turned on first, then whether humidification needs to be turned on is judged, and when the humidification condition is met, the first electromagnetic valve 6 is turned on; if the humidification mode is entered from another mode, since the indoor fan 21 is originally turned on, the signal for turning on the indoor fan 21 may be sent once again for the sake of simple control and the indoor fan 21 does not necessarily have a feedback function, and the indoor fan 21 may be switched to a setting state in the humidification mode; the humidification mode of each air conditioner indoor unit 201 is independently controlled, the air conditioner outdoor unit cannot be influenced by the humidification mode, the control is simple and convenient, each air conditioner indoor unit 201 flexibly performs automatic control according to the humidity of the space where the air conditioner indoor unit is located, the control logic is simple, and the operation is reliable.
In this embodiment, when the air conditioner internal unit 201 needs to be shut down, the user touches and presses the second operator, and in the shutdown procedure, after receiving the shutdown instruction, the air conditioner internal unit 201 sends a close instruction to the first electromagnetic valve 6, firstly blocks the water transmitted from the host, and then sends an open instruction to the second electromagnetic valve 9, so that the water remaining in the air conditioner internal unit 201 flows into the bypass water pipe 91 through the second electromagnetic valve 9, after the set pressure relief time elapses, the pressure remaining in the air conditioner internal unit 201 is balanced, and then sends a close instruction to the second electromagnetic valve 9, and finally sends a close instruction to the indoor fan 21, and all loads wait for the next time to enter into operation.
Additionally, when the humidification mode is switched to another mode, a user touches and presses the second operator to switch the mode to refrigeration or heating, the air conditioner internal unit 201 sends a closing instruction to the first electromagnetic valve 6 after receiving the mode switching instruction, sends an opening instruction to the second electromagnetic valve 9, and sends a closing instruction to the second electromagnetic valve 9 after a set pressure relief time, unlike a shutdown procedure, the indoor fan 21 does not need to be turned off, and therefore the indoor fan 21 still needs to work in another mode.
Compared with the prior art, the air conditioning system with the multipoint humidifying function is characterized in that the humidifying host 1 is connected with each air conditioner internal unit 201 through a water pipe, no signal is transmitted between the humidifying host 1 and each air conditioner internal unit 201, the electromagnetic interference to the environment is reduced, the connection structure of the system is simple, and redundant line connection is not needed; the humidification host 1 is responsible for continuously providing high-pressure water with certain water pressure, the high-pressure water is conveyed into each air conditioner indoor unit 201 through a water pipe, each air conditioner indoor unit 201 opens or closes the first electromagnetic valve 6 according to the humidity of the space where the air conditioner indoor unit 201 is located, the refrigeration, heating and humidification of the air conditioner indoor unit 201 share one indoor fan 21 and one set of indoor control system, the number of devices added for achieving the humidification function is small, the structure is simple, the control is independent, the external humidification host 1 does not need to be controlled in a normal operation state, each air conditioner indoor unit 201 performs automatic humidity control according to the space where the air conditioner indoor unit 201 is located, the space where the air conditioner indoor unit is located can be maintained in a stable humidity environment, the humidification system is relatively independent from the control of the refrigeration system, each air conditioner indoor unit 201 can be independently controlled, the humidification and the refrigeration.
Correspondingly, the invention also provides a control method of the humidification host 1 applied to the air conditioning system with the multipoint humidification function, the detection pressure fed back by the water pressure sensor 4 is compared with the set pressure, the output power of the driving mechanism is adjusted, the water pressure processed by the driving mechanism is maintained at the set pressure, and in the mode, when the number of the air conditioner internal units 201 opening the first electromagnetic valve 6 is increased, the water pressure in the water pipe is reduced, the driving mechanism improves the output power, and further the water pressure is increased; when the number of the air conditioner internal units 201 opening the first electromagnetic valve 6 is reduced, the water pressure in the water pipe is increased, the driving mechanism reduces the output power, and further reduces the water pressure, so that the air conditioning system achieves dynamic pressure balance, is efficient and energy-saving, and is intelligent in control.
Correspondingly, the invention also provides a control method of the air conditioner indoor units 201 applied to the air conditioning system with the multipoint humidification function, in the humidification mode, each air conditioner indoor unit 201 respectively realizes the opening or closing of the first electromagnetic valve 6 according to the actual requirement by detecting the humidity of the space where the air conditioner indoor unit 201 is located and comparing the detected humidity with the set humidity, and as the refrigeration, heating and humidification of the air conditioner indoor units 201 share one indoor fan 21 and one set of indoor control system, only the start and stop of the first electromagnetic valve 6 need to be controlled during the mode switching, the indoor fan 21 does not need to be controlled, the method realizes the multipoint distribution intelligent control, and the flexibility is high.
Finally, it should be emphasized that the present invention is not limited to the above-described embodiments, but only the preferred embodiments of the invention have been described above, and the present invention is not limited to the above-described embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (19)
1. An air conditioning system with a multipoint humidifying function is characterized by comprising a humidifying host and at least one air conditioner indoor unit, wherein the humidifying host is connected with the air conditioner indoor unit through a water pipe;
the humidifying host comprises a driving mechanism, a water pressure sensor and a humidifying host control system, wherein the driving mechanism is provided with a water inlet and a water outlet, the water pressure sensor is used for detecting the pressure of water treated by the driving mechanism, the driving mechanism and the water pressure sensor are respectively and electrically connected with the humidifying host control system, and the humidifying host control system is connected with an external power supply;
the air conditioner indoor unit comprises a first electromagnetic valve, a humidity sensor, an indoor control system, an indoor fan, an indoor unit shell and at least one sprayer, wherein the first electromagnetic valve, the humidity sensor, the indoor control system, the indoor fan and the sprayer are all arranged on the indoor unit shell, the inlet end of the first electromagnetic valve is connected with the water outlet through a water pipe, the outlet end of the first electromagnetic valve is connected with the sprayer through a water pipe, the first electromagnetic valve is electrically connected with the indoor control system, the humidity sensor is electrically connected with the indoor control system, the indoor fan is electrically connected with the indoor control system, the humidity sensor is used for detecting air humidity, the indoor control system is used for controlling the indoor fan to be opened and closed, and the indoor control system is also used for controlling the first electromagnetic valve to be opened and closed, the indoor control system is connected with an external power supply.
2. The air conditioning system with the multipoint humidification function as claimed in claim 1, wherein the driving mechanism comprises a motor and a water pump, the motor is connected with the water pump, and the motor is electrically connected with the humidification host control system.
3. The air conditioning system with multipoint humidification as claimed in claim 2, wherein the motor is a brushless motor.
4. An air conditioning system with multi-point humidification as claimed in claim 2 wherein said water pressure sensor is connected to said water pump outlet, said water pressure sensor being adapted to sense the pressure of water at said water pump outlet.
5. The air conditioning system with multipoint humidification function as claimed in claim 4, wherein the humidification host control system comprises a first operator and a first processor, the first operator is in signal connection with the first processor, and the motor and the water pressure sensor are respectively and electrically connected with the first processor.
6. The air conditioning system with multipoint humidification as claimed in claim 5, wherein the drive mechanism further comprises a first relief valve disposed within the water pump.
7. The air conditioning system with multipoint humidification as claimed in claim 6, wherein the humidification main unit further comprises a humidification main unit housing, the driving mechanism, the water pressure sensor and the first processor are all installed inside the humidification main unit housing, and the first operator is installed on the wall surface of the humidification main unit housing.
8. The air conditioning system with the multipoint humidification function as claimed in claim 7, wherein the air conditioning indoor unit further comprises a second solenoid valve, an inlet end of the second solenoid valve is connected between an outlet end of the first solenoid valve and the spray head through a water pipe, and an outlet end of the second solenoid valve is connected with a bypass water pipe.
9. The air conditioning system with the multipoint humidification function as claimed in claim 8, wherein an air inlet and an air outlet are arranged on the inner casing, the air conditioning inner unit further comprises an air outlet duct, the indoor fan is connected with the air outlet through the air outlet duct, and the nozzle is arranged on one side of the air outlet of the inner casing.
10. The air conditioning system with multipoint humidification function as claimed in claim 9, wherein the air conditioner indoor unit further comprises a condensation drain pipe, and a bypass water pipe of the air conditioner indoor unit is connected with the condensation drain pipe.
11. The air conditioning system with the multipoint humidification function as claimed in claim 9, wherein the air conditioner inner unit further comprises an inner unit water receiving tank, and the bypass water pipe is connected with the inner unit water receiving tank.
12. The air conditioning system with multipoint humidification function as claimed in claim 11, wherein the indoor control system comprises a second operator and a second processor, the first solenoid valve, the humidity sensor, the second solenoid valve and the indoor fan are respectively electrically connected with the second processor, and the second operator is in signal connection with the second processor.
13. The air conditioning system with multipoint humidification function as claimed in claim 12, wherein the second operator is a remote controller, and the second processor is provided with a receiving module for receiving a remote control signal of the second operator.
14. The air conditioning system with multipoint humidification function as claimed in claim 13, wherein the second processor further comprises a status display for displaying an operation status of the air conditioner internal unit.
15. A control method applied to the air conditioning system with multipoint humidification function as claimed in any one of claims 1 to 14, wherein the control method is used for humidifying a main machine, and comprises a constant pressure mode, and the constant pressure mode comprises the following steps:
step S1, sending a starting instruction to a driving mechanism, wherein the starting instruction is used for enabling the driving mechanism to operate;
step S2, receiving a detection pressure signal fed back by the water pressure sensor, and comparing the detection pressure with a set pressure;
step S3, if the detected pressure is smaller than the set pressure, sending a speed-up instruction to the driving mechanism, wherein the speed-up instruction is used for increasing the output power of the driving mechanism; and if the detected pressure is greater than the set pressure, sending a speed reduction command to the driving mechanism, wherein the speed reduction command is used for reducing the output power of the driving mechanism.
16. A control method according to claim 15, further comprising a constant speed mode in which the drive mechanism maintains a set rotational speed constant.
17. A control method applied to the air conditioning system with the multipoint humidification function according to any one of claims 1 to 14, wherein the control method is used for an air conditioning indoor unit, and is characterized by comprising a humidification mode, and the humidification mode comprises the following steps:
step S1, receiving a command of starting a humidification mode, and executing a first action, wherein the first action comprises starting an indoor fan and detecting a humidity signal;
step S2, comparing the detected humidity with a set humidity, and if the detected humidity is less than the set humidity, sending an opening instruction to the first electromagnetic valve, wherein the opening instruction is used for opening the first electromagnetic valve; and if the detected humidity is greater than the set humidity, sending a closing instruction to the first electromagnetic valve, wherein the closing instruction is used for closing the first electromagnetic valve.
18. The control method according to claim 17, wherein in the shutdown procedure, a shutdown command is received, a closing command is sent to the first solenoid valve, an opening command is sent to the second solenoid valve, and after a set pressure relief time, a closing command is sent to the second solenoid valve and a closing command is sent to the indoor fan.
19. The control method according to claim 17, wherein when the humidification mode is switched to the other mode, a mode switching command is received, a closing command is sent to the first electromagnetic valve, an opening command is sent to the second electromagnetic valve, and after a set pressure relief time elapses, a closing command is sent to the second electromagnetic valve.
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