CN115264617A - Control method of environment adjusting apparatus, and storage medium - Google Patents

Control method of environment adjusting apparatus, and storage medium Download PDF

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Publication number
CN115264617A
CN115264617A CN202210847981.8A CN202210847981A CN115264617A CN 115264617 A CN115264617 A CN 115264617A CN 202210847981 A CN202210847981 A CN 202210847981A CN 115264617 A CN115264617 A CN 115264617A
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China
Prior art keywords
fresh air
air
controlling
state
operate
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CN202210847981.8A
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Chinese (zh)
Inventor
曹磊
黄汝普
侯泽飞
杨晓东
邵艳坡
张�浩
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GD Midea Air Conditioning Equipment Co Ltd
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GD Midea Air Conditioning Equipment Co Ltd
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Application filed by GD Midea Air Conditioning Equipment Co Ltd filed Critical GD Midea Air Conditioning Equipment Co Ltd
Priority to CN202210847981.8A priority Critical patent/CN115264617A/en
Publication of CN115264617A publication Critical patent/CN115264617A/en
Priority to PCT/CN2023/105396 priority patent/WO2024017050A1/en
Pending legal-status Critical Current

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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
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • F24F1/0038—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room in combination with simultaneous exhaustion of inside air
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
    • 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
    • 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
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • 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
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses a control method of an environment adjusting device, the environment adjusting device and a storage medium. The environment adjusting equipment comprises an air conditioner and a fresh air device, and the method comprises the following steps: obtain the indoor of the air conditioner the concentration of combustible gas in the air duct; when the combustible gas concentration is greater than the preset concentration, and controlling the fresh air device to operate so that the air in the target space where the environment conditioning equipment is located is exhausted outdoors through the fresh air device. The invention aims to avoid safety accidents when the refrigerant of the air conditioner leaks and improve the use safety of the air conditioner.

Description

Control method of environment adjusting apparatus, and storage medium
Technical Field
The invention relates to the technical field of environment conditioning equipment, and more particularly, to a control method of an environment adjusting apparatus, and a storage medium.
Background
The air conditioner is more and more widely applied in daily life and production, wherein the refrigerant required by the operation of the air conditioner is generally combustible, and the space where the air conditioner is positioned is easy to combust or explode when leakage occurs, so that safety accidents occur.
Disclosure of Invention
The invention mainly aims to provide a control method of an environment adjusting device, the environment adjusting device and a storage medium, aiming at avoiding safety accidents when a refrigerant of an air conditioner leaks and improving the use safety of the air conditioner.
In order to achieve the above object, the present invention provides a method for controlling an environment conditioning apparatus, the environment conditioning apparatus including an air conditioner and a fresh air device, the method comprising the steps of:
obtaining the room of the air conditioner the concentration of combustible gas in the air duct;
and when the concentration of the combustible gas is greater than the preset concentration, controlling the fresh air device to operate so that the air in the target space where the environment adjusting equipment is located is discharged outdoors through the fresh air device.
Optionally, the new trend device be equipped with indoor wind gap, new trend entry, with the new trend export of indoor wind channel intercommunication, intercommunication the new trend export with the first wind channel and the intercommunication of new trend entry the indoor wind gap with the second wind channel of new trend export, the new trend device still includes the switch module and locates the new trend fan in second wind channel, control the new trend device operation so that the air process of interior space the outdoor step of new trend device discharge includes:
and controlling the fresh air fan to operate and controlling the switch assembly to operate in a first state, so that the fresh air outlet is closed, and the air in the target space sequentially passes through the indoor air port, the second air channel, the first air channel and the fresh air inlet and is discharged outdoors.
Optionally, a first vent and a second vent are arranged between the first air duct and the second air duct, the first vent corresponds to the fresh air outlet, the second vent corresponds to the fresh air inlet, the switch assembly includes a first switch module, a second switch module and a third switch module, and the step of controlling the switch assembly to operate in a first state includes:
controlling the first switch module to operate in a first sub-state, controlling the second switch module to operate in a second sub-state, and controlling the third switch module to operate in a third sub-state;
the first state comprises the first sub-state, the second sub-state and the third sub-state, the fresh air outlet is closed and the first ventilation opening is opened under the first sub-state, the indoor air opening is opened under the second sub-state, and the second ventilation opening is closed under the third sub-state.
Alternatively, the step of controlling the switching assembly to operate in a first state comprises:
determining a concentration difference value between the combustible gas concentration and the preset concentration;
when the concentration difference value is smaller than or equal to a preset concentration difference, executing the step of controlling the operation of the fresh air fan and controlling the switch assembly to operate in a first state so that the fresh air outlet is closed, and the air in the target space is discharged outdoors through the indoor air inlet, the second air duct, the first air duct and the fresh air inlet in sequence;
when the concentration difference value is larger than the preset concentration difference, the fresh air fan is controlled to operate and the switch assembly is controlled to operate in a third state, so that the fresh air outlet is opened, the air in the target space sequentially passes through the indoor air inlet, the second air channel, the first air channel and the fresh air inlet and is discharged outdoors, and the air in the indoor air channel sequentially passes through the second air channel, the first air channel and the fresh air inlet and is discharged outdoors.
Optionally, after the step of obtaining the concentration of the combustible gas in the indoor air duct of the air conditioner, the method further includes:
when the concentration of the combustible gas is less than or equal to the preset concentration, the fresh air fan is controlled to operate and the switch assembly is controlled to operate in a second state, so that outdoor fresh air sequentially passes through the fresh air inlet, the first air channel, the second air channel and the fresh air outlet and is sent into the indoor space.
Optionally, a first vent and a second vent are arranged between the first air duct and the second air duct, the first vent corresponds to the fresh air outlet, the second vent corresponds to the fresh air inlet, the switch assembly includes a first switch module, a second switch module and a third switch module, and the step of controlling the switch assembly to operate in the second state includes:
controlling the first switch module to operate in a fourth sub-state, controlling the second switch module to operate in a fifth sub-state, and controlling the third switch module to operate in a sixth sub-state;
wherein the second state comprises a fourth sub-state, a fifth sub-state and a sixth sub-state, the fresh air outlet is opened and the first ventilation opening is closed in the fourth sub-state, the indoor air opening is closed in the fifth sub-state, and the second ventilation opening is opened in the sixth sub-state.
Optionally, the step of controlling the operation of the fresh air fan includes:
and controlling the fresh air fan to operate at a rotating speed greater than a preset rotating speed.
Optionally, the step of controlling the fresh air fan to operate at a rotation speed greater than a preset rotation speed includes:
determining a concentration difference value between the combustible gas concentration and the preset concentration;
determining a target rotating speed within a rotating speed range which is greater than or equal to the preset rotating speed according to the concentration difference;
and controlling the fresh air fan to operate at the target rotating speed.
Optionally, before the step of controlling the fresh air device to operate so that the air in the target space where the environment conditioning equipment is located is exhausted to the outside through the fresh air device, the method further includes:
when the combustible gas concentration is greater than the preset concentration, controlling a load in the air conditioner to be turned off; and/or when the concentration of the combustible gas is greater than the preset concentration, controlling the environment adjusting equipment to output prompt information.
Further, in order to achieve the above object, the present application also proposes an environment adjusting apparatus including:
air conditioner a device;
a fresh air device; and
controlling means, the air conditioner with the new trend device all with controlling means connects, controlling means includes: a memory, a processor and a control program for an environment adjusting device stored on the memory and executable on the processor, the control program for an environment adjusting device realizing the steps of the control method for an environment adjusting device according to any one of the above when executed by the processor.
In addition, in order to achieve the above object, the present application also proposes a storage medium having stored thereon a control program of an environment adjusting apparatus, which when executed by a processor, implements the steps of the method of controlling the environment adjusting apparatus according to any one of the above.
The invention provides a control method of environment adjusting equipment, which is based on the environment adjusting equipment comprising an air conditioner and a fresh air device.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an environmental conditioning apparatus of the present invention;
FIG. 2 is a schematic view of the internal structure of the fresh air device of the environment conditioning apparatus according to the present invention;
FIG. 3 is a diagram of the hardware configuration involved in the operation of one embodiment of the climate control device of the present invention;
FIG. 4 is a flowchart illustrating an exemplary embodiment of a method for controlling an environmental conditioning apparatus according to the present invention;
FIG. 5 is a flowchart illustrating a method for controlling the climate control device according to another embodiment of the present invention;
fig. 6 is a flowchart illustrating a control method of the environment adjusting apparatus according to another embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention provides environment adjusting equipment.
In the present embodiment, referring to fig. 1 to 3, the environment conditioning apparatus includes an air conditioner 1, a fresh air device 2, and a control device 3. The air conditioner 1 comprises an indoor unit, the indoor unit comprises an indoor air duct, an indoor heat exchanger 11 and an indoor fan 12, the indoor heat exchanger and the indoor fan are arranged in the indoor air duct, and the indoor air duct is communicated with a fresh air outlet 201 of the fresh air device 2. The air conditioner 1 and the fresh air device 2 are both connected with the control device 3. In other embodiments, the air conditioner 1 and the fresh air device 2 may also be independently disposed, that is, the air ducts of the two devices are not communicated, and the air outlets of the two devices are respectively communicated with the indoor space.
In the present embodiment, the air conditioner 1 is a ducted air conditioner. In other embodiments, the air conditioner 1 may be other types of air conditioners such as a wall-mounted air conditioner, a cabinet air conditioner, a window air conditioner, and the like.
In this embodiment, the indoor environment where the environment conditioning equipment is located may have a first space and a second space that are separated, the first space is used for installing the environment conditioning equipment, the second space is a space that the environment conditioning equipment needs to adjust, and the indoor air outlet 101 of the air conditioner 1 is communicated with the second space. In this embodiment, the air conditioner 1 is a ducted air conditioner, and then the first space is a ceiling space in an indoor environment, and the indoor unit of the ducted air conditioner and the fresh air device 2 can both be installed in the first space. In other embodiments, the air conditioner 1 is a window type air conditioner, the first space may be an installation space in which an indoor environment is located in a wall, the window type air conditioner and the fresh air device 2 can be installed in the wall space.
The air conditioner 1 comprises a shell, wherein an indoor air duct, an indoor heat exchanger 11 and an indoor fan 12 are arranged in the shell and are arranged in the indoor air duct, the shell is provided with an indoor air outlet 101 and an indoor air return opening 102 which are communicated with an indoor environment, when the indoor fan 12 is opened, air in the indoor environment can be driven to enter the indoor air duct from the indoor air return opening 102 and exchange heat with the indoor heat exchanger 11, and air after heat exchange can be sent into a room through the indoor air outlet 101. The first space can be provided with an air inlet communicated with the second space, the indoor air return inlet 102 is communicated with the air inlet through a pipeline, and air in the second space can enter the pipeline through the air inlet and enter the indoor air duct through the indoor air return inlet 102.
Fresh air device 2 is equipped with fresh air inlet 202, fresh air outlet 201 and the fresh air duct that communicates fresh air inlet 202 and fresh air outlet 201, and fresh air outlet 201 communicates with indoor air duct, and fresh air inlet 202 is used for communicating with outdoor environment. Be equipped with new trend fan 21 in the new trend wind channel, the new trend that can drive outdoor environment when new trend fan 21 opens gets into in the new trend wind channel from new trend entry 202.
The fresh air device 2 is detachably connected with the air conditioner 1 and can be installed on an indoor unit of the air conditioner 1 according to customer requirements, and the type of the fresh air device 2 can be selected by a customer. The fresh air device 2 may be installed on a sidewall of the indoor unit of the air conditioner 1, and the fresh air outlet 201 may be disposed through the sidewall of the indoor unit of the air conditioner 1, where the sidewall may include one of an upper sidewall, a lower sidewall, a left sidewall, and a right sidewall of the indoor unit of the air conditioner 1.
Wherein, new trend export 201 can be equipped with the new trend valve, and the new trend valve can be used to open or close new trend export 201. Fresh air inlet 202 can set up detachable purification module (for example HEPA filter screen etc.), can be used to purify the new trend.
In this embodiment, the fresh air outlet 201 of the fresh air device 2 is communicated with the air inlet side of the indoor heat exchanger 11. Specifically, the fresh air outlet 201 is located between the indoor return air inlet 102 and the indoor heat exchanger 11. In other embodiments, the fresh air outlet 201 of the fresh air device 2 may also be communicated with the air outlet side of the indoor heat exchanger 11, and the fresh air outlet 201 is located between the indoor air outlet 101 and the indoor heat exchanger 11.
In other embodiments, the fresh air device 2 may not have a fresh air blower 21 therein, and the fresh air is introduced through the control of the fresh air valve on the fresh air outlet 201 and the driving of the indoor blower 12.
In other embodiments, the fresh air outlet 201 can also be directly communicated with the indoor space.
Further, in this embodiment, in addition to the fresh air inlet 202 and the fresh air outlet 201, the fresh air device 2 is also provided with an indoor air port 203. In the present embodiment, the indoor tuyere 203 communicates with the first space described above. In other embodiments, the indoor tuyere 203 may also communicate with the second space described above.
The new trend wind channel includes first wind channel 01 and second wind channel 02, and first wind channel 01 intercommunication new trend export 201 and new trend entry 202, second wind channel 02 intercommunication indoor wind gap 203 and new trend export 201. A first ventilation opening 03 and a second ventilation opening 04 are arranged between the first air channel 01 and the second air channel 02, the first ventilation opening 03 is arranged corresponding to the fresh air outlet 201, and the second ventilation opening 04 is arranged corresponding to the fresh air inlet 202. Wherein, the fresh air fan 21 is arranged in the second air duct 02.
The fresh air device 2 further comprises a switch component 22, and the switch component 22 is used for adjusting the flow direction of air in the fresh air device between the first air duct 01 and the second air duct 02. In the present embodiment, the switch assembly 22 includes a first switch module 221, a second switch module 222, and a third switch module 223. A first switch module 221 the second switching module 222 and the third switching module 223 are both connected to the control device 3. In this embodiment, the first switch module 221 and the second switch module 222 are both switching valves. The third switching module 223 is a switching grid. In other embodiments, the first switch module 221, the second switch module 222, and the third switch module 223 may be configured as other types of switches according to requirements.
The first switch module 221 is configured to adjust a flow direction of the outlet air of the second air duct 02 between the fresh air outlet 201 and the first air duct 01. The first switch module 221 is movable between a first position and a second position. When the first switch module 221 is located at the first position, the fresh air outlet 201 is closed and the first ventilation opening 03 is opened, and when the first switch module 221 is located at the second position, the fresh air outlet 201 is opened and the first ventilation opening 03 is closed. In addition, when the first switch module 221 is located at a fifth position between the first position and the second position, the fresh air outlet 201 can be opened and the first ventilation opening 03 can be opened at the same time. In this embodiment, the first passage opening and the fresh air outlet 201 are both disposed on the air outlet side of the fresh air blower 21, when the first switch module 221 is located at the first position, the air in the second air duct 02 driven by the fresh air blower 21 flows into the first air duct 01 from the first vent 03 and is then discharged outdoors from the fresh air inlet 202, and when the first switch module 221 is located at the second position, the air in the second air duct 02 driven by the fresh air blower 21 is sent into the indoor air duct from the fresh air outlet 201 or directly sent into the indoor space. In other embodiments, the direction of the fresh air blower 21 can be switched, and the first channel port and the fresh air outlet 201 can also be switched to the air inlet side of the fresh air blower 21.
The second switch module 222 is used to open or close the indoor air opening 203. The second switch module 222 is movable between a third position and a fourth position. The indoor air opening 203 is opened when the second switch module 222 is in the third position, and the indoor air opening 203 is closed when the second switch module 222 is in the fourth position. In this embodiment, the indoor air opening 203 is disposed on the air inlet side of the fresh air blower 21, and when the second switch module 222 is in the third position, the fresh air blower 21 drives the indoor air to enter the second air duct 02 from the indoor air opening 203.
The third switch module 223 is used to open or close the second ventilation opening 04. The second ventilation opening 04 is opened when the third switch module 223 is in an open state; the third switching module 223 closes the second ventilation opening 04 in the closed state. In this embodiment, the second ventilation opening 04 is disposed on the air inlet side of the fresh air blower 21, and when the third switch module 223 is in the open state, the fresh air blower 21 drives outdoor fresh air to enter the first air duct 01 from the fresh air outlet 201 and then directly enter the second air duct 02 through the second ventilation opening 04.
The fresh air device 2 comprises a first operation mode and a second operation mode. Referring to fig. 2 (a), in the first operation mode, the first switch module 221 operates in a first sub-state (at the first position), the second switch module 222 operates in a second sub-state (at the third position), and the third switch module 223 operates in a third sub-state (at the closed state), in the first sub-state, the first switch module 221 closes the fresh air outlet 201 and opens the first vent 03, in the second sub-state, the second switch module 222 opens the indoor air outlet 203, in the third sub-state, the third switch module 223 closes the second vent 04, and the fresh air fan 21 drives indoor air to sequentially pass through the indoor air outlet 203, the second air duct 02, the first vent 03, the first air duct 01, and the fresh air inlet 202 and then to be discharged to the outside. Referring to fig. 2 (b), in the second operation mode, the first switch module 221 operates in a fourth sub-state (in the second position), the second switch module 222 operates in a fifth sub-state (in the fourth position), and the third switch module 223 operates in a sixth sub-state (in an open state), in the fourth sub-state, the first switch module 221 opens the fresh air outlet 201 and closes the first vent 03, in the fifth sub-state, the second switch module 222 closes the indoor air opening 203, in the sixth sub-state, the third switch module 223 opens the second vent 04, and the fresh air fan 21 drives outdoor fresh air to sequentially pass through the fresh air inlet 202, the first air duct 01, the second vent 04, the second air duct 02, and the fresh air outlet 201 and send the fresh air into the room.
Further, in this embodiment, in the first space, the air conditioner 1 includes an indoor unit, and the control device 3 and the fresh air device 2 are disposed on two opposite sides of the indoor unit.
Further, in the present embodiment, referring to fig. 1 and 3, a combustible gas sensor 4 is provided in the indoor air duct, the combustible gas sensor 4 is used for detecting the concentration of the combustible gas in the indoor air duct. The combustible gas sensor 4 is connected to the control device 3, and the control device 3 can acquire data detected by the combustible gas sensor 4.
In the embodiment of the present invention, referring to fig. 3, the control device 3 of the environment adjusting apparatus includes: a processor 1001 (e.g., a CPU), a memory 1002, a timer 1003, and the like. The components in the control device 3 are connected by a communication bus. The memory 1002 may be a high-speed RAM memory or a non-volatile memory (e.g., a disk memory). The memory 1002 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration of the device shown in fig. 2 is not intended to be limiting of the device and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 3, a control program of the environment adjusting apparatus may be included in the memory 1002 as a storage medium. In the apparatus shown in fig. 3, the processor 1001 may be configured to call a control program of the environment adjusting apparatus stored in the memory 1002 and perform operations of relevant steps of a control method of the environment adjusting apparatus in the following embodiments.
The embodiment of the invention also provides a control method of the environment adjusting equipment, which is applied to the environment adjusting equipment.
Referring to fig. 4, an embodiment of a method for controlling an environmental conditioning apparatus according to the present application is provided. In this embodiment, the method for controlling the environment adjusting apparatus includes:
s10, acquiring the concentration of combustible gas in an indoor air duct of the air conditioner;
in the present embodiment, step S10 herein may be performed when the air conditioner is powered on. In other embodiments, step S10 may be executed at a preset time interval after the air conditioner is powered on.
The combustible gas concentration can be detected by the combustible gas sensor, and can be obtained by the data currently detected by the combustible gas sensor.
And S20, when the concentration of the combustible gas is greater than the preset concentration, controlling the fresh air device to operate so that the air in the target space where the environment adjusting equipment is located is discharged outdoors through the fresh air device.
In the present embodiment, the target space here is the first space described above. In other embodiments, when the indoor space is not divided into the first space and the second space, and the fresh air outlet is directly communicated with the indoor space, the target space can also be directly the indoor space where the environment adjusting device is located.
The preset concentration is a critical value used for distinguishing whether the air conditioner has refrigerant leakage risks. In the present embodiment, the preset density is a fixed density value set in advance. In other embodiments, the preset concentration may also be obtained according to the current temperature value of the target space, and the specific preset concentration may be negatively correlated with the temperature value. That is, the lower the temperature value, the higher the preset density may be, and the higher the temperature value, the lower the preset density may be.
Specifically, the fresh air device can have a first operation mode and a second operation mode, the fresh air device introduces fresh air indoors in the first operation mode, and the fresh air device discharges the fresh air outdoors in the second operation mode. The air flow direction in the fresh air device is different under the first operation mode and the second operation mode. Specifically, can realize that new trend device switches under different mode of operation based on the switching of new trend fan direction of rotation, for example the new trend fan sets up first direction of rotation and second direction of rotation, and the new trend fan is indoor with new trend introduction when first direction of rotation operation, and the new trend fan is outdoor with indoor air discharge when the second direction of rotation operation. In addition, the fresh air device can be switched between different operation modes based on the position or state change of a flow direction switching assembly (such as the switch assembly) arranged in the air duct, for example, the flow direction switching assembly is provided with a first operation state and a second operation device, the fresh air is introduced into the room when the flow direction switching assembly operates in the first operation state, and the indoor air is exhausted out of the room when the flow direction switching assembly operates in the second operation state.
The control method of the environment adjusting equipment provided by the embodiment of the invention is based on the environment adjusting equipment comprising the air conditioner and the fresh air device, when the concentration of combustible gas in an indoor air duct of the air conditioner is greater than the preset concentration, the method indicates that the air conditioner has the risk of refrigerant leakage, and at the moment, the fresh air device is adopted to discharge the air in a target space where the environment adjusting equipment is located outdoors, so that safety accidents such as combustion or explosion and the like caused by overhigh concentration of the combustible gas in the target space are avoided, and the use safety of the air conditioner is improved.
Further, based on the above embodiment, another embodiment of the control method of the environment adjusting apparatus of the present application is provided. In this embodiment, the new trend device be equipped with indoor wind gap, new trend entry, with new trend export, the intercommunication of indoor wind channel intercommunication the new trend export with the first wind channel and the intercommunication of new trend entry the indoor wind gap with the second wind channel of new trend export, the new trend device still includes the switch module and locates the new trend fan in second wind channel, refer to fig. 5, work as when combustible gas concentration is greater than and predetermines concentration, control the operation of new trend device so that the air of indoor space passes through the outdoor step of new trend device discharge includes:
and S21, when the concentration of the combustible gas is greater than the preset concentration, controlling the fresh air fan to operate and controlling the switch assembly to operate in a first state, so that the fresh air outlet is closed, and the air in the target space sequentially passes through the indoor air inlet, the second air duct, the first air duct and the fresh air inlet and is discharged outdoors.
In this embodiment, a first ventilation opening and a second ventilation opening are arranged between the first air channel and the second air channel, the first ventilation opening corresponds to the fresh air outlet, the second ventilation opening corresponds to the fresh air inlet, and the switch assembly comprises a first switch module, a second switch module and a third switch module. Specifically, the second ventilation opening and the indoor air opening are arranged on the air inlet side of the fresh air fan, and the fresh air outlet is arranged on the air outlet side of the fresh air fan. Controlling the first switch module to operate in a first sub-state, controlling the second switch module to operate in a second sub-state, and controlling the third switch module to operate in a third sub-state; the first state comprises the first sub-state, the second sub-state and the third sub-state, the fresh air outlet is closed and the first ventilation opening is opened under the first sub-state, the indoor air opening is opened under the second sub-state, and the second ventilation opening is closed under the third sub-state. Based on this, the fresh air fan drives the air to pass through the indoor air inlet, the second air duct, the first ventilation opening, the first air duct and the fresh air inlet in sequence and then is discharged outdoors, and the specific path is as shown in fig. 2 (a).
In addition to the first switch module, the second switch module and the third switch module, in other embodiments, the switch assembly may further include a fourth switch module disposed at the fresh air inlet. Alternatively, in other embodiments, the first switch module and the second switch module may also be combined into a fourth switch module, and the fourth switch module may be movable between the indoor air outlet and the fresh air outlet. When the switch component operates in the first state, the fourth switch module can move to the position for closing the fresh air outlet and is arranged at intervals with the indoor air opening.
In this embodiment, through the operation cooperation of switch module and new trend fan to realize turning to fixed basis of new trend fan, accessible switch module's state control realizes that the new trend device can be with indoor air discharge outdoor that contains the flammable refrigerant. On the basis of the air channel structures of the first air channel and the second air channel, air with explosion risks in a target space can be rapidly discharged outdoors through the cooperation of the first switch module, the second switch module and the third switch module.
In other embodiments, when the concentration of the combustible gas is greater than the preset concentration, the fresh air fan may be controlled to operate and the switch assembly may be controlled to operate in the third state, so that the fresh air outlet is opened, and the air in the indoor air duct passes through the indoor air inlet, the second air duct, the first air duct, and the fresh air inlet in sequence and is discharged to the outside.
In other embodiments, the two opposite sides in the airflow flowing direction when the fresh air fan is turned on are respectively defined as a first side and a second side, the indoor air opening and the fresh air outlet can be both arranged on the first side, the fresh air inlet can be arranged on the second side, and when the concentration of the combustible gas is greater than the preset concentration, the fresh air fan can be controlled to operate in a first direction, so that indoor air is driven to enter the fresh air device from the indoor air opening and is exhausted out of the room from the fresh air inlet.
Further, in this embodiment, the step of controlling the switch assembly to operate in the first state includes:
determining a concentration difference value between the combustible gas concentration and the preset concentration;
when the concentration difference value is smaller than or equal to a preset concentration difference, executing the step of controlling the operation of the fresh air fan and controlling the switch assembly to operate in a first state so that the fresh air outlet is closed, and the air in the target space is discharged outdoors through the indoor air inlet, the second air duct, the first air duct and the fresh air inlet in sequence;
when the concentration difference value is larger than the preset concentration difference, the fresh air fan is controlled to operate and the switch assembly is controlled to operate in a third state, so that the fresh air outlet is opened, the air in the target space sequentially passes through the indoor air inlet, the second air channel, the first air channel and the fresh air inlet and is discharged outdoors, and the air in the indoor air channel sequentially passes through the second air channel, the first air channel and the fresh air inlet and is discharged outdoors.
The preset concentration difference is specifically a critical value for distinguishing the leakage risk of the air conditioner refrigerant.
Specifically, when the switch assembly comprises the first switch module, the second switch module and the third switch module, the first switch module can operate in a seventh sub-state, the second switch module operates in a fifth sub-state, the third switch module operates in a sixth sub-state, the third state comprises the seventh sub-state, the fifth sub-state and the sixth sub-state, and the fresh air outlet and the first passage opening are both opened in the seventh sub-state. Specifically, the target position of the first switch module in the seventh sub-state can be determined according to the concentration difference, the target position is different when the concentration difference is different, the target position is between the first position and the second position, the first position is the position when the fresh air outlet is closed by the first switch module, and the second position is the position when the first vent is closed by the first switch module.
The concentration difference is less than or equal to the preset concentration difference, which indicates that the leakage risk is low, the possibility of safety accidents such as explosion and the like is low, and the fresh air outlet is closed, so that the efficiency of discharging the air mixed with the combustible refrigerant in the target space out of the room is improved, the indoor heat loss caused by discharging the air out of the room in the indoor environment can be avoided, the operation safety of the air conditioner is improved, and the indoor comfort is ensured; the concentration difference value is greater than the preset concentration difference value, the leakage risk is larger, the possibility of safety accidents such as explosion is higher, and at the moment, the fresh air outlet is opened, so that the high-concentration combustible refrigerant in the indoor air duct and the combustible refrigerant in the target space can be rapidly discharged outdoors, and the use safety of the air conditioner is further improved.
Further, based on any one of the above embodiments, another embodiment of the control method of the environment adjusting apparatus of the present application is provided. In this embodiment, referring to fig. 6, after step S10, the method further includes:
and S30, when the concentration of the combustible gas is less than or equal to the preset concentration, controlling the fresh air fan to operate and controlling the switch assembly to operate in a second state, so that outdoor fresh air sequentially passes through the fresh air inlet, the first air channel, the second air channel and the fresh air outlet and is sent into the indoor space.
In this embodiment, a first ventilation opening and a second ventilation opening are arranged between the first air duct and the second air duct, the first ventilation opening is arranged corresponding to the fresh air outlet, the second ventilation opening is arranged corresponding to the fresh air inlet, the switch assembly comprises a first switch module, a second switch module and a third switch module, the first switch module is controlled to operate in a fourth sub-state, the second switch module is controlled to operate in a fifth sub-state, and the third switch module is controlled to operate in a sixth sub-state;
wherein the second state comprises a fourth sub-state, a fifth sub-state and a sixth sub-state, the fresh air outlet is opened and the first ventilation opening is closed in the fourth sub-state, the indoor air opening is closed in the fifth sub-state, and the second ventilation opening is opened in the sixth sub-state. Based on this, the fresh air fan drives the air to sequentially pass through the fresh air inlet, the first air duct, the second air duct and the fresh air outlet and then is sent into the room, and the specific path is as shown in fig. 2 (b).
In other embodiments, the switch assembly may further include a fourth switch module disposed at the fresh air inlet in addition to the first switch module, the second switch module, and the third switch module. Alternatively, in other embodiments, the first switch module and the second switch module may also be combined into a fourth switch module, and the fourth switch module may be movable between the indoor air outlet and the fresh air outlet. When the switch component operates in the second state, the fourth switch module can move to the position for closing the indoor air opening and is arranged at intervals with the fresh air outlet.
In other embodiments, the two opposite sides in the airflow flowing direction when the fresh air fan is turned on are respectively defined as a first side and a second side, the indoor air inlet and the fresh air outlet can be both arranged on the first side, the fresh air inlet can be arranged on the second side, and when the concentration of the combustible gas is less than or equal to the preset concentration, the fresh air fan can be controlled to operate in a second direction, so that indoor air is driven to enter the fresh air device from the fresh air inlet and is discharged out of the room from the fresh air outlet.
Further, based on any of the above embodiments, a further embodiment of the control method of the environment adjusting apparatus of the present application is provided. In this embodiment, the step of controlling the operation of the fresh air fan includes: and controlling the fresh air fan to operate at a rotating speed greater than a preset rotating speed.
In this embodiment, the fresh air fan operates at the maximum rotation speed, which is greater than the preset rotation speed. In other embodiments, the fresh air fan may also be operated at a rotational speed greater than a preset rotational speed and less than the maximum rotational speed.
Specifically, the preset rotation speed may be 70% of the maximum rotation speed.
In this embodiment, the fresh air fan operates at a speed greater than a preset speed, that is, the fresh air fan operates at a high speed, which is beneficial to improving the efficiency of discharging the flammable refrigerant to the outside.
Specifically, in this embodiment, the step of controlling the fresh air fan to operate at a rotation speed greater than a preset rotation speed includes: determining a concentration difference value between the combustible gas concentration and the preset concentration; determining a target rotating speed within a rotating speed range which is greater than or equal to the preset rotating speed according to the concentration difference; and controlling the fresh air fan to operate at the target rotating speed.
Wherein different concentration differences correspond to different target rotational speeds. The concentration difference value is positively correlated with the target rotating speed. Specifically, a corresponding relationship between the concentration difference and the target rotation speed may be established in advance, and the corresponding relationship may include a mapping relationship, a calculation formula, and the like. And determining the target rotating speed corresponding to the current concentration difference value in the rotating speed range based on the corresponding relation. For example, a rotation speed adjustment value can be determined according to the concentration difference value, and a preset rotation speed is adjusted according to the rotation speed adjustment value to obtain the target rotation speed.
Furthermore, the corresponding relationship between the concentration difference value and the target rotating speed can be obtained according to the current air pressure value of the target space, and different air pressure values can correspond to different corresponding relationships. In this embodiment, more than one corresponding relationship between the concentration difference value and the target rotation speed may be preset, the target corresponding relationship may be determined in more than one corresponding relationship according to the air pressure value, and the target rotation speed corresponding to the current concentration difference value may be determined based on the target corresponding relationship.
In this embodiment, the target rotational speed of new trend fan is confirmed based on the concentration difference, is favorable to guaranteeing that the new trend fan operation matches with the flammable refrigerant is revealed the risk of revealing accurately, avoids indoor negative pressure to lead to outdoor pollutant to get into indoorly when guaranteeing air conditioner safety in utilization.
Further, based on any one of the above embodiments, still another embodiment of the control method for an environment conditioning device according to the present application is provided, in this embodiment, before the step of controlling the fresh air device to operate so that the air in the target space where the environment conditioning device is located passes through the fresh air device and is exhausted to the outside, the method further includes:
when the concentration of the combustible gas is greater than the preset concentration, controlling the load in the air conditioner to be closed; and/or when the concentration of the combustible gas is greater than the preset concentration, controlling the environment adjusting equipment to output prompt information.
The load may include a compressor of an air conditioner and/or an indoor fan, etc.
The prompting message can be in the form of text message, image message, sound message and/or light message.
In this embodiment, the load is closed and is favorable to further avoiding appearing the blasting accident in the air conditioner operation process, further improves air conditioner safety in utilization. In addition, the output of the prompt information can prompt a user to examine and repair whether the air conditioner has a refrigerant leakage condition or not, so that the use safety of the air conditioner is further improved.
In addition, an embodiment of the present invention further provides a storage medium, where a control program of an environment adjusting apparatus is stored on the storage medium, and when the control program of the environment adjusting apparatus is executed by a processor, the control program of the environment adjusting apparatus implements the relevant steps of any embodiment of the control method of the environment adjusting apparatus.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention essentially or contributing to the prior art can be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an environment adjusting device, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (11)

1. The control method of the environment conditioning equipment is characterized by comprising an air conditioner and a fresh air device, and comprises the following steps:
acquiring the concentration of combustible gas in an indoor air duct of the air conditioner;
and when the concentration of the combustible gas is greater than the preset concentration, controlling the fresh air device to operate so that the air in the target space where the environment adjusting equipment is located is discharged outdoors through the fresh air device.
2. The method for controlling an environmental conditioning apparatus according to claim 1, wherein the fresh air device has an indoor air inlet, a fresh air outlet connected to the indoor air duct, a first air duct connected to the fresh air outlet and the fresh air inlet, and a second air duct connected to the indoor air inlet and the fresh air outlet, the fresh air device further includes a switch assembly and a fresh air blower provided in the second air duct, and the step of controlling the operation of the fresh air device so that the air in the indoor space is discharged to the outside through the fresh air device includes:
and controlling the fresh air fan to operate and controlling the switch assembly to operate in a first state, so that the fresh air outlet is closed, and the air in the target space sequentially passes through the indoor air port, the second air channel, the first air channel and the fresh air inlet and is discharged outdoors.
3. The method for controlling an environmental conditioning apparatus according to claim 2, wherein a first ventilation opening and a second ventilation opening are provided between the first air duct and the second air duct, the first ventilation opening is disposed corresponding to the fresh air outlet, the second ventilation opening is disposed corresponding to the fresh air inlet, the switch assembly includes a first switch module, a second switch module, and a third switch module, and the step of controlling the switch assembly to operate in the first state includes:
controlling the first switch module to operate in a first sub-state, controlling the second switch module to operate in a second sub-state, and controlling the third switch module to operate in a third sub-state;
the first state comprises the first sub-state, the second sub-state and the third sub-state, the fresh air outlet is closed and the first ventilation opening is opened under the first sub-state, the indoor air opening is opened under the second sub-state, and the second ventilation opening is closed under the third sub-state.
4. The method of controlling an environmental conditioning apparatus according to claim 2, wherein the step of controlling the switching assembly to operate in the first state includes:
determining the combustible gas concentration and the presetting a concentration difference value between concentrations;
when the concentration difference value is smaller than or equal to a preset concentration difference, executing the step of controlling the operation of the fresh air fan and controlling the switch assembly to operate in a first state so that the fresh air outlet is closed, and the air in the target space is discharged outdoors through the indoor air inlet, the second air duct, the first air duct and the fresh air inlet in sequence;
when the concentration difference value is larger than the preset concentration difference value, the fresh air fan is controlled to operate and the switch assembly is controlled to operate in a third state, so that the fresh air outlet is opened, the air in the target space sequentially passes through the indoor air opening, the second air channel, the first air channel and the fresh air inlet and is discharged outdoors, and the air in the indoor air channel sequentially passes through the second air channel, the first air channel and the fresh air inlet and is discharged outdoors.
5. The method of controlling an environmental conditioning apparatus according to claim 2, wherein the step of controlling the operation of the fresh air blower includes:
and controlling the fresh air fan to operate at a rotating speed greater than a preset rotating speed.
6. The control method of environment conditioning equipment according to claim 5, wherein the step of controlling the fresh air blower to operate at a rotation speed greater than a preset rotation speed comprises:
determining a concentration difference value between the combustible gas concentration and the preset concentration;
determining a target rotating speed within a rotating speed range which is greater than or equal to the preset rotating speed according to the concentration difference;
and controlling the fresh air fan to operate at the target rotating speed.
7. The control method of an environment conditioning apparatus according to claim 2, characterized in that after the step of obtaining the combustible gas concentration of the indoor air duct of the air conditioner, the method further comprises:
when the concentration of the combustible gas is less than or equal to the preset concentration, the fresh air fan is controlled to operate and the switch assembly is controlled to operate in a second state, so that outdoor fresh air sequentially passes through the fresh air inlet, the first air channel, the second air channel and the fresh air outlet and is sent into the indoor space.
8. The method of claim 7, wherein a first ventilation opening and a second ventilation opening are disposed between the first air duct and the second air duct, the first ventilation opening is disposed corresponding to the fresh air outlet, the second ventilation opening is disposed corresponding to the fresh air inlet, the switch assembly includes a first switch module, a second switch module, and a third switch module, and the step of controlling the switch assembly to operate in the second state includes:
controlling the first switch module to operate in a fourth sub-state, controlling the second switch module to operate in a fifth sub-state, and controlling the third switch module to operate in a sixth sub-state;
the second state comprises a fourth sub-state, a fifth sub-state and a sixth sub-state, the fresh air outlet is opened and the first ventilation opening is closed in the fourth sub-state, the indoor air opening is closed in the fifth sub-state, and the second ventilation opening is opened in the sixth sub-state.
9. The method for controlling an environment conditioning apparatus according to any one of claims 1 to 8, wherein before the step of controlling the fresh air device to operate so that the air in the target space where the environment conditioning apparatus is located is discharged to the outside through the fresh air device, the method further comprises:
when the concentration of the combustible gas is greater than the preset concentration, controlling the load in the air conditioner to be closed; and/or when the concentration of the combustible gas is greater than the preset concentration, controlling the environment adjusting equipment to output prompt information.
10. An environment conditioning apparatus, characterized by comprising:
an air conditioner;
a fresh air device; and
controlling means, the air conditioner with the new trend device all with controlling means connects, controlling means includes: memory, a processor and a control program of a climate control device stored on the memory and executable on the processor, the control program of a climate control device realizing the steps of the method of controlling a climate control device according to any of claims 1 to 9 when executed by the processor.
11. A storage medium, characterized in that the storage medium has stored thereon a control program of an environment adjusting apparatus, which when executed by a processor, realizes the steps of the control method of an environment adjusting apparatus according to any one of claims 1 to 9.
CN202210847981.8A 2022-07-19 2022-07-19 Control method of environment adjusting apparatus, and storage medium Pending CN115264617A (en)

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JP2016070594A (en) * 2014-09-30 2016-05-09 株式会社富士通ゼネラル Air conditioner
CN105805845A (en) * 2014-12-31 2016-07-27 广东美的制冷设备有限公司 Window type room air conditioner and control method of window type room air conditioner
CN109282414A (en) * 2017-07-19 2019-01-29 侍家（北京）科技有限公司 A kind of wall-mounted new blower
CN109114761A (en) * 2018-10-18 2019-01-01 广东美的制冷设备有限公司 Control method, device, air conditioner and the computer readable storage medium of air conditioner
CN113757794B (en) * 2020-06-05 2024-06-21 宁波奥克斯电气股份有限公司 Combustible refrigerant air conditioner and control method thereof
CN115264617A (en) * 2022-07-19 2022-11-01 广东美的制冷设备有限公司 Control method of environment adjusting apparatus, and storage medium

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WO2024017050A1 (en) * 2022-07-19 2024-01-25 广东美的制冷设备有限公司 Control method for environment conditioning device, environment conditioning device and storage medium

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