CN111854030B - Filter screen dust removal control method and device and air conditioning equipment - Google Patents
Filter screen dust removal control method and device and air conditioning equipment Download PDFInfo
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- CN111854030B CN111854030B CN202010606008.8A CN202010606008A CN111854030B CN 111854030 B CN111854030 B CN 111854030B CN 202010606008 A CN202010606008 A CN 202010606008A CN 111854030 B CN111854030 B CN 111854030B
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/62—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
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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
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
Abstract
The invention discloses a filter screen dust removal control method and device and air conditioning equipment. Wherein, the method comprises the following steps: after the unit reaches the dust removal condition, entering a dust removal preparation mode; and monitoring the personnel condition of the room where the unit is located in the dust removal preparation mode, and executing the dust removal operation of the filter screen after the personnel condition meets the preset condition. By the invention, the dust removal operation is executed after the room is detected to be unmanned for a period of time, thereby avoiding the influence of dust removal noise on users. The air port is closed in the dust removal operation process, so that dust falling in the cleaning process is avoided. On the premise of not influencing the normal use of the user, the comfort experience of the user is improved.
Description
Technical Field
The invention relates to the technical field of units, in particular to a filter screen dust removal control method and device and air conditioning equipment.
Background
Along with the higher requirement on comfort, air conditioning products have more and more innovations in the aspect of comfort control, such as air supply modes of waterfall type refrigeration, carpet type heating and the like. The basic control principle is that the characteristics of cold air sinking and hot air floating are utilized, so that the refrigerating and heating effects of the space are accelerated, and the comfort experience of a user is improved.
At present, the air supply modes are more applied to the cabinet air conditioner, and the air duct machine needs to solve a plurality of technical problems to really realize waterfall type refrigeration and carpet type heating due to different installation modes.
The tuber pipe machine product can realize air-out and air-out down, and this product can realize the air-out in furred ceiling department or floor department air-out through control, and the wind gap of furred ceiling department or floor department all has the filter screen, and the filter screen can adsorb the dust because of static reason. The wind gap that is in room furred ceiling department, if to dismantle the cleanness to the filter screen, the user need just can contact the filter screen with the help of instruments such as ladders, and installs the wind gap in floor department, and the user need squat down and just can contact the filter screen, and is all inconvenient. In actual life, a user can hardly clean the filter screen in time, and particularly, the user who cannot move conveniently can more difficultly clean the filter screen.
At present, the automatic cleaning technology of the filter screen is more and more widely applied, but obviously, the automatic cleaning force is far less than the manual cleaning force under certain conditions, so if the cleaning interval time is too long, a large amount of dust is accumulated, the filter screen is blocked, the blocked dust is difficult to remove by the automatic cleaning function, and the filtering effect of the filter screen and the use efficiency of an air conditioner are reduced in the past. In order to avoid the situation, the filter screen needs to be cleaned once when the unit operates for a period of time, but the problem of great influence on the comfort experience of a user due to the fact that the dust removal operation is frequently executed and the noise is generated when the motor is frequently operated is also brought.
Aiming at the problem that the automatic dust removal of a filter screen in the prior art easily influences the normal use of a user, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides a filter screen dust removal control method and device and air conditioning equipment, and aims to solve the problem that automatic dust removal of a filter screen in the prior art is easy to influence normal use of a user.
In order to solve the technical problem, the invention provides a dust removal control method for a filter screen, wherein the method comprises the following steps: after the unit reaches the dust removal condition, entering a dust removal preparation mode; and monitoring the personnel condition of the room where the unit is located in the dust removal preparation mode, and executing the dust removal operation of the filter screen after the personnel condition meets the preset condition.
Further, the unit reaches a dust removal condition, including: and monitoring the accumulated operation time of the unit, and determining that the unit reaches the dust removal condition after the accumulated operation time reaches the preset time.
Further, the accumulated running time of the monitoring unit comprises the following steps: the timing is started when the unit is started for the first time, the timing is stopped when the unit is shut down, and the timing is continued when the unit is started for the next time.
Further, monitoring personnel conditions in a room where the unit is located in a dust removal preparation mode comprises: and monitoring the personnel condition of the room in which the unit is located through a detection module on the unit.
Further, the preset conditions include: and no person exists in the room where the unit is located in the continuous preset time.
Further, after the personnel's condition accords with the preset condition, carry out the dust removal operation of filter screen, include: after the personnel condition meets the preset condition, determining whether the unit is in operation; if so, suspending the operation of the unit and controlling the air port to be closed; then, performing the dust removal operation; recovering the operation of the unit after the dust removal operation is finished; and if not, executing the dust removal operation.
Further, after the dust removing operation of the filter screen is performed, the method further includes: and resetting the accumulated operation time length, and monitoring the accumulated operation time length of the unit again.
Further, the detection module includes at least one of: infrared sensor, thermopile sensor, radar, camera.
The invention also provides a dust removal control device for the filter screen, wherein the device comprises: the timing module is used for monitoring the accumulated running time of the unit; the detection module is used for monitoring the personnel condition of the room where the unit is located in the dust removal preparation mode; the control module is used for controlling the unit to enter a dust removal preparation mode after the accumulated running time of the timing module reaches a preset time; and after the detection module detects that the personnel condition meets the preset condition, the dust removal operation of the filter screen is executed.
Further, the apparatus further comprises: and the storage module is used for storing the data of the accumulated running time of the timing module regularly or irregularly and updating and replacing the data stored at the previous time.
Further, the control module is specifically configured to determine whether the unit is in operation or not after the personnel condition meets a preset condition; if so, suspending the operation of the unit and controlling the air port to be closed; then, performing the dust removal operation; recovering the operation of the unit after the dust removal operation is finished; and if not, executing the dust removal operation.
The invention also provides air conditioning equipment, wherein the air conditioning equipment at least comprises the filter screen dust removal control device.
The invention also provides a computer-readable storage medium, on which a computer program is stored, wherein the program, when executed by a processor, implements the method as described above.
By applying the technical scheme of the invention, the dust removal operation is executed after the detection room is unmanned for a period of time, thereby avoiding the influence of dust removal noise on users. The air port is closed in the dust removal operation process, so that dust falling in the cleaning process is avoided. Therefore, the comfort experience of the user is improved on the premise of not influencing the normal use of the user.
Drawings
Fig. 1 is a flowchart of a filter screen dust removal control method according to an embodiment of the present invention;
fig. 2 is a block diagram of a filter screen dust removal control device according to an embodiment of the present invention;
fig. 3 is a flow chart of a filter screen dedusting control applied to the ducted air conditioner according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in the article or device in which the element is included.
Alternative embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
Fig. 1 is a flowchart of a method for controlling dust removal of a filter screen according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
step S101, after the unit reaches a dust removal condition, entering a dust removal preparation mode;
and S102, monitoring the personnel condition of the room where the unit is located in the dust removal preparation mode, and executing the dust removal operation of the filter screen after the personnel condition meets the preset condition. The preset conditions are as follows: and no person exists in the room where the unit is located in the continuous preset time. The preset duration can be set and adjusted according to the actual needs of the user.
In the embodiment, after the unit reaches the dust removal condition, the dust removal operation is not immediately executed, but the dust removal preparation mode is firstly entered, and the dust removal operation is executed after the room is detected to be unmanned for a period of time, so that the influence of dust removal noise on a user is avoided. On the premise of not influencing the normal use of the user, the comfort experience of the user is improved.
The dust removal condition may be determined by some operation parameters of the unit, for example, monitoring an accumulated operation time of the unit, specifically, starting timing when the unit is started for the first time, stopping timing when the unit is shut down, and continuing timing when the unit is started for the next time. And determining that the unit reaches the dust removal condition after the accumulated operation time reaches the preset time. Or, the system high pressure of the unit is obtained, and when the system high pressure reaches a pressure set value, the unit is determined to reach the dust removal condition. When in actual application, whether the unit reaches the dust removal condition or not can be judged according to the operation parameters, the setting can be carried out according to the actual requirements, and the unit can be accurately judged to reach the dust removal condition.
After entering the dust removal preparation mode, the personnel condition of the room where the unit is located can be monitored through a detection module on the unit. The detection module at least comprises one of the following components: infrared sensor, thermopile sensor, radar, camera. As long as it can accurately judge whether there is a person in the room.
When the situation that no person exists in the room where the unit is located within the continuous preset time is monitored, the dust removal operation of the filter screen can be executed, and whether the unit is in operation or not needs to be considered at the moment. If the unit is in operation, suspending the operation of the unit and controlling the air inlet to be closed; then, performing dust removal operation; and recovering the operation of the unit after the dust removal operation is finished. And if the unit is not operated, directly executing dust removal operation. It should be noted that, when the dust removing operation is performed, the air port is closed, so that dust falling in the cleaning process is avoided.
After the dust removal operation of the filter screen is performed once, the accumulated running time is cleared, the accumulated running time of the unit is monitored again, namely, the step S101 is returned to be performed again, and a new dust removal control scheme is entered.
Example 2
Corresponding to the method for controlling dust removal by a filter screen introduced in fig. 1, the present embodiment provides a filter screen dust removal control device, as shown in a block diagram of the structure of the filter screen dust removal control device in fig. 2, the device includes:
the timing module is connected to the control module and used for monitoring the accumulated running time of the unit;
the detection module is connected to the control module and used for monitoring the personnel condition of the room where the unit is located in the dust removal preparation mode;
the control module is used for controlling the unit to enter a dust removal preparation mode after the accumulated running time of the timing module reaches a preset time; and after the detection module detects that the personnel condition meets the preset condition, the dust removal operation of the filter screen is executed.
In the embodiment, after the unit reaches the dust removal condition, the dust removal operation is not immediately executed, but the dust removal preparation mode is firstly entered, and the dust removal operation is executed after the room is detected to be unmanned for a period of time, so that the influence of dust removal noise on a user is avoided. On the premise of not influencing the normal use of the user, the comfort experience of the user is improved.
The above-mentioned device still includes: and the storage module is used for storing the data of the accumulated running time of the timing module regularly or irregularly and updating and replacing the data stored at the previous time. Therefore, the phenomenon that the accumulated running time is reset to influence the judgment of the dust removal time and the dust removal effect due to sudden power failure of the unit is avoided.
When the dust removal operation is executed, the control module is specifically used for confirming whether the unit is in operation or not after the personnel condition meets the preset condition; if so, suspending the operation of the unit and controlling the air port to be closed; then, performing dust removal operation; recovering the operation of the unit after the dust removal operation is finished; if not, performing dust removal operation.
It should be noted that the detection module at least includes one of the following components: infrared sensor, thermopile sensor, radar, camera. As long as it can accurately judge whether there is a person in the room. Fig. 2 is a schematic diagram of an infrared detection module.
The above-mentioned device still includes: the device comprises a data acquisition module and an automatic cleaning module. According to the scheme, the preset time t for dust removal of the filter screen is preset, the data acquisition module acquires the starting information of the line controller, the remote controller or the mobile phone APP and sends the starting information to the control module, and the control module sends a timing instruction to the timing module after receiving the starting information. The timing module starts timing, in order to avoid that the unit power-off timer is reset to influence the calculation of the running time, the current data of the timing module is written into the storage module at intervals (for example, half an hour) in the starting state, the timing module stops timing when the shutdown information is received, and the current time data is written into the storage module. The data of the timing module is written into the storage module once to overwrite the data stored in the previous time.
When the starting-up information is received again, the control module reads the time data in the storage module and sends the time data to the timing module, and the timing module starts accumulation on the basis of the received time data. And when the accumulated running time delta T of the unit is greater than or equal to T, entering a dust removal preparation mode.
The control module sends a personnel detection instruction, the infrared detection module detects a room temperature field to determine the existence condition of personnel and feeds back the condition to the control module in real time, if the infrared detection module detects that the room is unmanned for a continuous period of time, the control module enters a dust removal mode and starts dust removal operation, and therefore the influence of noise generated by rotation of the motor on a user during dust removal is avoided. During dust removal operation, the air port is closed, dust is cleaned and collected in the unit, and the dust cannot fall off.
The embodiment also provides an air conditioning device, which at least comprises the filter screen dust removal control device introduced above.
Example 3
The technical scheme of the invention can be applied to the air duct machine product with one or more air ports, and each dust removal operation can be simultaneously executed on the filter screen of each air port. When the unit operates for a period of time, the filter screen of each air port is automatically cleaned once. In order not to influence users, the invention generally executes the operation of cleaning the filter screen when no people exist in a room, the function is realized by adding the infrared detection module, and in order to better detect the condition of the room, the infrared detection module is generally placed at an air outlet with a higher position.
Fig. 3 is a flow chart of a filter screen dust removal control applied to the ducted air conditioner according to an embodiment of the present invention, and as shown in fig. 3, the flow chart includes:
s1: the user opens the unit through modes such as drive-by-wire ware, remote controller or cell-phone APP, and the data acquisition module gathers start information and sends for control module, and control module reads time data in the storage module and sends for the timing module, and the timing module begins the accumulative total timing on this basis to control module writes into storage module with accumulative time delta T every half an hour under the start state.
S2: the control module determines whether the accumulated time Δ T is greater than or equal to 20 h. And once the accumulated time delta T is detected to be more than or equal to 20h, the control module sends a dust removal instruction. During the period, if the data acquisition module acquires the shutdown information, the timer stops timing, and the control module writes the accumulated time delta T of the timer into the storage module.
S3: and entering a dust removal preparation mode, detecting and feeding back the existence condition of personnel in the room in real time by an infrared detection module arranged at the first air port, entering the dust removal mode when no person is detected in the room for 0.5 hour continuously, and otherwise, still executing the dust removal preparation mode and continuously detecting the existence condition of the personnel in the room.
S4: and after entering a dust removal mode, judging whether the unit is in operation.
S5: if the unit is in operation at this moment, the unit is suspended firstly, the first air port and the second air port are closed, then the dust removal operation is executed, and the control module controls the automatic cleaning module to clean the filter screens of the two air ports, collect dust and the like. And after the dust removal is finished, recovering the running state of the unit before the dust removal.
S6: if the unit is not in operation at the moment, the control module controls the automatic cleaning module to clean the filter screens at the two air ports, collect dust and the like.
S7: and after the dust removal is finished, resetting the timer, starting to count again from zero, and writing the reset data into the storage module.
It should be noted that, if the unit is in the dust removal preparation mode, the user has closed the unit through modes such as line controller, remote controller, cell-phone APP, under the non-power-down condition, the infrared detection module still can continuously detect the room personnel condition, carries out the same dust removal operation, clears the timer and writes into the storage module after dust removal is finished.
Based on this embodiment, the filter screen is regularly automatic to remove dust, and just removes dust the operation when indoor nobody, keeps the wind gap to close during the dust removal operation to avoid the dust to pile up and block up the filter screen, dust removal noise, dust etc. do not all influence the user, promote user's comfortable nature and experience.
Example 4
The embodiment of the present invention provides software for implementing the technical solutions described in the above embodiments and preferred embodiments.
The embodiment of the invention provides a nonvolatile computer storage medium, wherein a computer executable instruction is stored in the computer storage medium, and the computer executable instruction can execute the filter screen dust removal control method in any method embodiment.
The storage medium stores the software, and the storage medium includes but is not limited to: optical disks, floppy disks, hard disks, erasable memory, etc.
The product can execute the method provided by the embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method. For technical details that are not described in detail in this embodiment, reference may be made to the method provided by the embodiment of the present invention.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A dust removal control method for a filter screen is characterized by comprising the following steps:
after the unit reaches the dust removal condition, entering a dust removal preparation mode;
monitoring personnel conditions of a room where the unit is located in a dust removal preparation mode, and executing dust removal operation of the filter screen after the personnel conditions meet preset conditions; which comprises the following steps:
after the personnel condition meets the preset condition, determining whether the unit is in operation; if so, suspending the operation of the unit and controlling the air port to be closed; then, performing the dust removal operation; recovering the operation of the unit after the dust removal operation is finished; if not, executing the dust removal operation;
wherein the preset conditions include: and no person exists in the room where the unit is located in the continuous preset time.
2. The method of claim 1, wherein the unit achieves a de-dusting condition comprising:
and monitoring the accumulated operation time of the unit, and determining that the unit reaches the dust removal condition after the accumulated operation time reaches the preset time.
3. The method of claim 2, wherein monitoring the aggregate operational time period comprises:
the timing is started when the unit is started for the first time, the timing is stopped when the unit is shut down, and the timing is continued when the unit is started for the next time.
4. Method according to claim 1, characterized in that monitoring the personnel situation of the room in which the unit is located in the dust removal preparation mode comprises:
and monitoring the personnel condition of the room in which the unit is located through a detection module on the unit.
5. The method of claim 2, wherein after performing the dust removing operation of the filter screen, the method further comprises:
and resetting the accumulated operation time length, and monitoring the accumulated operation time length of the unit again.
6. The method of claim 4,
the detection module comprises at least one of the following: infrared sensor, thermopile sensor, radar, camera.
7. The utility model provides a filter screen dust removal controlling means which characterized in that, the device includes:
the timing module is used for monitoring the accumulated running time of the unit;
the detection module is used for monitoring the personnel condition of the room where the unit is located in the dust removal preparation mode;
the control module is used for controlling the unit to enter a dust removal preparation mode after the accumulated running time of the timing module reaches a preset time; after the detection module detects that the personnel condition meets the preset condition, the dust removal operation of the filter screen is executed; wherein the preset conditions include: the rooms in which the units are located are unmanned in the continuous preset time;
the control module is specifically used for confirming whether the unit is in operation or not after the personnel condition meets the preset condition; if so, suspending the operation of the unit and controlling the air port to be closed; then, performing the dust removal operation; recovering the operation of the unit after the dust removal operation is finished; and if not, executing the dust removal operation.
8. The apparatus of claim 7, further comprising:
and the storage module is used for storing the data of the accumulated running time of the timing module regularly or irregularly and updating and replacing the data stored at the previous time.
9. An air conditioning apparatus, characterized in that the air conditioning apparatus comprises at least the filter screen dust removal control device of any one of claims 7 to 8.
10. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the method according to any one of claims 1 to 6.
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| CN202010606008.8A CN111854030B (en) | 2020-06-29 | 2020-06-29 | Filter screen dust removal control method and device and air conditioning equipment |
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| CN202010606008.8A CN111854030B (en) | 2020-06-29 | 2020-06-29 | Filter screen dust removal control method and device and air conditioning equipment |
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