CN114484887B - Control method, device and equipment of wall-mounted furnace and computer readable storage medium - Google Patents
Control method, device and equipment of wall-mounted furnace and computer readable storage medium Download PDFInfo
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- CN114484887B CN114484887B CN202210161633.5A CN202210161633A CN114484887B CN 114484887 B CN114484887 B CN 114484887B CN 202210161633 A CN202210161633 A CN 202210161633A CN 114484887 B CN114484887 B CN 114484887B
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- pressure value
- wind pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
Abstract
The application belongs to the technical field of water heaters, and discloses a control method, a device, equipment and a computer readable storage medium of a wall-mounted boiler, wherein the method comprises the following steps: monitoring a real-time wind pressure value of a fan of the wall-mounted furnace; when the real-time wind pressure value of the fan is reduced to a first protection wind pressure value, reducing the working voltage of the fan to a preset judgment voltage; acquiring a first actual wind pressure value of the fan when the preset judgment voltage is obtained; if the first actual wind pressure value is smaller than the preset judgment wind pressure value, judging that the current working condition is a low-voltage working condition; and if the first actual wind pressure value is larger than or equal to the preset judgment wind pressure value, judging that the current working condition is a blocking working condition. When the actual wind pressure value is reduced to the first protection wind pressure value, the working voltage of the fan is adjusted to the preset judgment voltage, and the first actual wind pressure value corresponding to the preset judgment voltage is compared with the preset judgment wind pressure value, so that the low-voltage working condition or the blocking working condition is accurately judged, and false alarm is avoided.
Description
Technical Field
The application relates to the technical field of water heaters, in particular to a control method, a device and equipment of a wall-mounted boiler and a computer readable storage medium.
Background
The existing wall-mounted furnace is often preset with a protection wind pressure value, when the wall-mounted furnace is started, the actual wind pressure value of the fan needs to be larger than the protection wind pressure value to a certain extent to be started normally, and if the actual wind pressure value cannot meet the condition, the wall-mounted furnace is flameout and stopped; meanwhile, when the wall-mounted smoke exhaust pipe is blocked, the actual wind pressure value in the venturi tube is lower than the closing value, so that flameout and shutdown protection can be realized before the smoke exceeds the standard.
In the combustion process, because the density of gas passing through the fan is reduced, the wind pressure value continuously drops, if the voltage of the fan is lower at this moment, even if the smoke exhaust pipe is not blocked, the actual wind pressure value is lower than the protection wind pressure value, and the wall hanging stove can generate false alarm. Therefore, the existing hanging stove cannot distinguish the low-voltage working condition from the blocking working condition, and false alarm is generated in the hanging stove.
Disclosure of Invention
The application aims to provide a control method, a device, equipment and a computer readable storage medium for a wall-mounted furnace, which are used for solving the problems that the existing wall-mounted furnace cannot distinguish a low-voltage working condition from a blocking working condition, cannot be started under the low-voltage working condition and can generate false alarm.
To achieve the purpose, the application adopts the following technical scheme:
in a first aspect, a method for controlling a wall-mounted boiler, when a current actual wind pressure value falls to a first protection wind pressure value, performs the following steps:
monitoring a real-time wind pressure value of a fan of the wall-mounted furnace;
when the real-time wind pressure value of the fan is reduced to a first protection wind pressure value, reducing the working voltage of the fan to a preset judgment voltage;
acquiring a first actual wind pressure value of the fan when the preset judgment voltage is obtained;
if the first actual wind pressure value is smaller than the preset judgment wind pressure value, judging that the current working condition is a low-voltage working condition;
and if the first actual wind pressure value is larger than or equal to the preset judgment wind pressure value, judging that the current working condition is a blocking working condition.
In an embodiment, before monitoring the real-time wind pressure value of the fan of the wall-mounted furnace, the method further comprises:
acquiring a second actual wind pressure value of the fan at a first voltage in a normal working state of the fan and a third actual wind pressure value of the fan at the second voltage under a preset blocking working condition;
and selecting a value from the second actual wind pressure value and the third actual wind pressure value as the preset judgment wind pressure value.
In an embodiment, the ratio of the preset determination voltage to the current working voltage is the coefficient α, the first voltage is a product of the rated working voltage, the coefficient α and the low voltage coefficient m, and the second voltage is a product of the rated working voltage, the coefficient α and the high voltage coefficient n, 0 < α < 1, m < 1 < n.
In one embodiment, after determining that the current operating condition is a low voltage operating condition, the method further includes:
restoring the working voltage of the fan to the working voltage before the reduction;
acquiring a fourth actual wind pressure value of the current fan;
and if the fourth actual wind pressure value is smaller than a preset second protection wind pressure value, controlling the fan to stop.
In an embodiment, before monitoring the real-time wind pressure value of the fan of the wall-mounted furnace, the method further comprises:
obtaining a fifth actual wind pressure value of the fan at the rated working voltage and a sixth actual wind pressure value of the fan at a third voltage;
calculating a difference value between the fifth actual wind pressure value and the sixth actual wind pressure value;
and multiplying the difference value by a preset coefficient p to obtain the second protection wind pressure value, wherein the third voltage is set to be the product of the rated working voltage and the low voltage coefficient m.
In one embodiment, the preset coefficient p is p e (0.3, 0.4).
In one embodiment, after determining that the current operating condition is a blocking operating condition, the method further includes:
restoring the working voltage of the fan to the working voltage before the reduction;
acquiring a seventh actual wind pressure value of the current fan;
and if the seventh actual wind pressure value is smaller than the first protection wind pressure value, controlling the fan to stop.
In a second aspect, a control device for a wall-mounted boiler includes:
the wind pressure value detection module is used for monitoring the real-time wind pressure value of the fan of the wall-mounted furnace;
the voltage adjusting module is used for reducing the working voltage of the fan to a preset judgment voltage when the real-time wind pressure value of the fan is reduced to a first protection wind pressure value;
the actual wind pressure value acquisition module is used for acquiring a first actual wind pressure value of the fan when the preset judgment voltage is reached;
the low-voltage working condition judging module is used for judging that the current working condition is a low-voltage working condition if the first actual wind pressure value is smaller than a preset judging wind pressure value;
and the blockage working condition judging module is used for judging that the current working condition is a blockage working condition if the first actual wind pressure value is not smaller than the preset judgment wind pressure value.
In a third aspect, an apparatus, comprises:
one or more processors;
a storage means for storing one or more programs;
and when the one or more programs are executed by the one or more processors, the one or more processors realize the control method of the wall hanging stove.
In a fourth aspect, a computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements a method of controlling a wall-hanging stove as described above.
The application has the beneficial effects that:
for the control method of the wall-mounted furnace, when the actual wind pressure value is reduced to the first protection wind pressure value, the working voltage of the fan is adjusted to the preset judgment voltage, and the first actual wind pressure value corresponding to the preset judgment voltage is compared with the preset judgment wind pressure value, so that the low-voltage working condition or the blocking working condition is accurately judged, and false alarm is avoided.
For the control device of the wall-mounted furnace, when the actual wind pressure value is reduced to the first protection wind pressure value, the working voltage of the fan is adjusted to the preset judgment voltage, and the first actual wind pressure value corresponding to the preset judgment voltage is compared with the preset judgment wind pressure value, so that the low-voltage working condition or the blocking working condition is accurately judged, and false alarm is avoided.
For the equipment, when the actual wind pressure value is reduced to the first protection wind pressure value, the working voltage of the fan is adjusted to the preset judgment voltage, and the first actual wind pressure value corresponding to the preset judgment voltage is compared with the preset judgment wind pressure value, so that the low-voltage working condition or the blocking working condition is accurately judged, and false alarm is avoided.
For the computer readable storage medium, when the actual wind pressure value is reduced to the first protection wind pressure value, the working voltage of the fan is adjusted to the preset judgment voltage, and the first actual wind pressure value corresponding to the preset judgment voltage is compared with the preset judgment wind pressure value, so that the low-voltage working condition or the blocking working condition is accurately judged, and false alarm is avoided.
Drawings
FIG. 1 is a schematic view of a wall-mounted boiler system according to an embodiment of the present application;
fig. 2 is a flowchart of a control method of a wall-mounted boiler according to an embodiment of the present application;
fig. 3 is a flowchart of a control method of a wall-mounted boiler according to a second embodiment of the present application;
fig. 4 is a schematic structural diagram of a control device for a wall-mounted boiler according to a third embodiment of the present application;
fig. 5 is a schematic diagram of the result of the apparatus according to the fourth embodiment of the present application.
The figures are labeled as follows:
1-a fan; 2-a venturi; 3-a wind pressure value sensor;
101-a wind pressure value detection module; 102-a voltage regulation module; 103-an actual wind pressure value acquisition module; 104-a low-voltage working condition judging module; 105, a blockage condition judging module;
12-equipment; 14-an external device; a 16-processing unit; 18-system memory; a 20-network adapter; a 22-I/O interface; 24-display; 28-bus; 30-RAM; 32-cache memory; 34-a storage system; 40-program/utility; 42-program modules.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings.
In the description of the present application, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Embodiment one:
the embodiment provides a control method of a wall-mounted furnace, which is used for controlling a wall-mounted furnace system, as shown in fig. 1, and the wall-mounted furnace system comprises a fan 1, a venturi tube 2 and a wind pressure value sensor 3.
The fan 1 generates air flow after being electrified, the venturi tube 2 is connected with the fan 1 by supplying different working voltages to the fan 1, the air flow passes through the venturi tube 2, the air pressure value sensor 3 is used for acquiring the air pressure value in the venturi tube 2, and the air pressure value is set to be the actual air pressure value of the wall-mounted furnace system, so that the air pressure value can be understood as the actual air pressure value which is different to be measured by supplying different working voltages to the fan 1.
Fig. 2 is a flowchart of a control method provided in the present embodiment, and as shown in fig. 2, the control method includes: step S100, monitoring a real-time wind pressure value of the fan 1 of the wall-mounted furnace.
When the current real-time wind pressure value is reduced to the first protection wind pressure value, step S200 is executed to reduce the working voltage of the fan 1 to the preset judgment voltage.
It should be noted that, if the first protection wind pressure value is a preset value, after the actual wind pressure value obtained by real-time detection reaches the first protection wind pressure value, waiting for a preset duration (for example, 5 s), and stopping.
For example, the rated operating voltage of the fan 1 in the normal state is 220V, and if the current operating voltage of the fan 1 is 186V, the current operating voltage is adjusted to the preset determination voltage V P Preset judgment voltage V P As a preset judgment index. It can be appreciated that the determination voltage V is preset P Necessarily lower than the current operating voltage 186V.
Step S200 is followed by step S300, and fan 1 is obtained at preset judgment voltage V P First actual wind pressure value P W1 。
Step S300 is followed by step S400 of determining the first actual wind pressure value P W1 Judging whether the wind pressure value is smaller than a preset wind pressure value P W0 If the first actual wind pressure value P W1 Is smaller than a preset judgment wind pressure value P W0 Step S500 is performed to determine that the current working condition is low voltageAnd (5) working conditions. If the first actual wind pressure value P W2 Is greater than or equal to a preset judgment wind pressure value P W0 Step S600 is performed to determine that the current working condition is a blocking working condition.
Specifically, in step S400, a judgment wind pressure value P is preset W0 Is determined as follows:
before step S100, for example, in a test stage before shipping, a second actual wind pressure value P of the fan 1 at the first voltage V1 is obtained W2 And a third actual wind pressure value P of the fan 1 under the second voltage V2 under the preset blocking working condition W3 And take the second actual wind pressure value P W2 And a third actual wind pressure value P W3 A value in between is taken as a preset judgment wind pressure value P W0 。
The first voltage is the product of rated working voltage, coefficient alpha and low voltage coefficient m, and the second voltage is the product of rated working voltage, coefficient alpha and high voltage coefficient n, 0 < alpha < 1, m < 1 < n.
Further, the preset blocking working condition is to block the smoke tube part of the wall hanging stove, and the concentration of carbon monoxide (CO) in the burnt smoke is just 0.2%.
In this embodiment, the rated operating voltage is 220V, the coefficient a is set to 0.5, m is set to 0.85, and n is set to 1.15.
The first voltage was calculated to be 93.5V and the second voltage V2 was calculated to be 126.5V. Respectively measuring actual wind pressure values under two voltages, and taking any value between the two actual wind pressure values as a preset judgment wind pressure value P W0 。
In step S200, the working voltage of the fan 1 is reduced to the preset determination voltage V P In the process of (2), the adjustment is performed according to the scaling factor a, for example, when the current operating voltage is 186V, the judgment voltage V is preset P 93V.
It can be understood that the judgment voltage V is preset P And preset judgment wind pressure value P W0 Are each associated with a coefficient a. I.e. under test conditions, a preset judgment wind pressure value P is determined according to a coefficient a W0 When the control method is executed, the operating voltage is then determined on the basis of the same factor aThe degree of decline of (2) so as to accurately judge the working condition.
When the actual wind pressure value is reduced to the first protection wind pressure value, the working voltage of the fan 1 is adjusted to the preset judgment voltage, and the first actual wind pressure value corresponding to the preset judgment voltage is compared with the preset judgment wind pressure value, so that the low-voltage working condition or the blocking working condition is accurately judged, and false alarm is avoided.
Embodiment two:
the embodiment provides a control method of a wall-mounted furnace, which is used for controlling a wall-mounted furnace system, as shown in fig. 1, and the wall-mounted furnace system comprises a fan 1, a venturi tube 2 and a wind pressure value sensor 3.
The fan 1 generates air flow after being electrified, the venturi tube 2 is connected with the fan 1 by supplying different working voltages to the fan 1, the air flow passes through the venturi tube 2, the air pressure value sensor 3 is used for acquiring the air pressure value in the venturi tube 2, and the air pressure value is set to be the actual air pressure value of the wall-mounted furnace system, so that the air pressure value can be understood as the actual air pressure value which is different to be measured by supplying different working voltages to the fan 1.
Fig. 3 is a flowchart of the control method provided in the present embodiment, as shown in fig. 3,
the control method comprises the following steps: step S101, monitoring a real-time wind pressure value of a fan 1 of the wall-mounted furnace.
When the current real-time wind pressure value falls to the first protection wind pressure value, step S201 is executed to reduce the working voltage of the fan 1 to the preset judgment voltage.
It should be noted that, if the first protection wind pressure value is a preset value, after the actual wind pressure value obtained by real-time detection reaches the first protection wind pressure value, waiting for a preset duration (for example, 5 s), and stopping.
For example, the rated operating voltage of the fan 1 in the normal state is 220V, and if the current operating voltage of the fan 1 is 186V, the current operating voltage is adjusted to the preset determination voltage V P Preset judgment voltage V P As a preset judgment index. It can be appreciated that the determination voltage V is preset P Necessarily lower than the current operating voltage 186V.
Step SStep S301 is executed after step 201, and the preset judgment voltage V of the fan 1 is obtained P First actual wind pressure value P W1 。
Step S301 is followed by step S401 of determining a first actual wind pressure value P W1 Judging whether the wind pressure value is smaller than a preset wind pressure value P W0 . If the first actual wind pressure value P W1 Is smaller than a preset judgment wind pressure value P W0 Step S501 is performed to determine that the current working condition is a low voltage working condition. If the first actual wind pressure value P W2 Is greater than or equal to a preset judgment wind pressure value P W0 Step S601 is performed to determine that the current working condition is a blocking working condition.
Specifically, in step S401, a judgment wind pressure value P is preset W0 Is determined as follows:
before step S101, for example, in a test stage before shipping, a second actual wind pressure value P of the fan 1 at the first voltage V1 is obtained W2 And a third actual wind pressure value P of the fan 1 under the second voltage V2 under the preset blocking working condition W3 And take the second actual wind pressure value P W2 And a third actual wind pressure value P W3 A value in between is taken as a preset judgment wind pressure value P W0 。
The first voltage is the product of rated working voltage, coefficient alpha and low voltage coefficient m, and the second voltage is the product of rated working voltage, coefficient alpha and high voltage coefficient n, 0 < alpha < 1, m < 1 < n.
Further, the preset blocking working condition is to block the smoke tube part of the wall hanging stove, and the concentration of carbon monoxide (CO) in the burnt smoke is just 0.2%.
In this embodiment, the rated operating voltage is 220V, the coefficient a is set to 0.5, m is set to 0.85, and n is set to 1.15.
The first voltage was calculated to be 93.5V and the second voltage V2 was calculated to be 126.5V. Respectively measuring actual wind pressure values under two voltages, and taking any value between the two actual wind pressure values as a preset judgment wind pressure value P W0 。
In step S201, the working voltage of the blower 1 is reduced to a predetermined determination voltage V P In the process according toThe scaling factor a is adjusted, for example, when the current operating voltage is 186V, the judgment voltage V is preset P 93V.
It can be understood that the judgment voltage V is preset P And preset judgment wind pressure value P W0 Are each associated with a coefficient a. I.e. under test conditions, a preset judgment wind pressure value P is determined according to a coefficient a W0 And then, when the control method is executed, determining the degree of the decline of the working voltage according to the same coefficient a, so as to accurately judge the working condition.
Step S501 is followed by step S701, and the operation voltage of the blower 1 is restored to the operation voltage before the decrease, and it is understood that the operation voltage of the blower 1 is restored from 93V to 186V. Then, step S801 is sequentially performed to obtain a fourth actual wind pressure value P of the fan 1 W4 And step S901, determining whether the fourth actual wind pressure value is smaller than the second protection wind pressure value.
It should be noted that the second protection wind pressure value is also preset.
Before step S101, for example, in a test stage before shipping, a fifth actual wind pressure value P of the fan 1 at the rated operating voltage (220V) is obtained W5 And a sixth actual wind pressure value P of the wind turbine 1 at the third voltage V3 W6 The third voltage V3 is set to the product of the nominal operating voltage and the low voltage coefficient m. Then, take the fifth actual wind pressure value P W5 And a sixth actual wind pressure value P W6 Is a difference deltaP of (1) W And the difference delta P W And multiplying the air pressure by a coefficient p to determine a second protection air pressure value, wherein the coefficient p epsilon (0.3, 0.4). Coefficient p.epsilon.0.3, 0.4.
If the fourth actual wind pressure value P W4 And if the air pressure is smaller than the second protection air pressure value, performing step S1001 and stopping. If the fourth actual wind pressure value P W4 If the current state is greater than or equal to the second protection wind pressure value, step S1002 is performed to maintain the current state.
In this embodiment, through the test, when the coefficient p is 1/3, the corresponding steps performed after step S901 are more consistent with the security standard.
With continued reference to fig. 3, step S601 is followed by an execution step after the blockage condition, specifically, step S1101 is continued, and the fan is further1 to the pre-reduction operating voltage, it will be appreciated that the operating voltage of the blower 1 is restored from 93V to 186V. Then, step S1201 is sequentially performed to obtain a seventh actual wind pressure value P of the fan 1 W7 Step S1301, determining a seventh actual wind pressure value P W7 Whether the first protection wind pressure value is smaller than the second protection wind pressure value.
If the seventh actual wind pressure value P W7 If the air pressure is smaller than the first protection air pressure value, the machine is stopped in step S1001. If the seventh actual wind pressure value P W7 If the current state is greater than or equal to the first protection wind pressure value, step S1002 is performed to maintain the current state.
According to the control method for the wall-mounted furnace, when the actual wind pressure value is reduced to the first protection wind pressure value, the working voltage of the fan 1 is adjusted to the preset judgment voltage, and the first actual wind pressure value corresponding to the preset judgment voltage is compared with the preset judgment wind pressure value, so that the low-voltage working condition or the blocking working condition is accurately judged, and false alarm is avoided.
Embodiment III:
the embodiment provides a control device of a wall-mounted furnace, which is used for controlling a wall-mounted furnace system.
As shown in fig. 1, the wall-mounted boiler system comprises a fan 1, a venturi tube 2 and a wind pressure value sensor 3.
The fan 1 generates air flow after being electrified, the venturi tube 2 is connected with the fan 1 by supplying different working voltages to the fan 1, the air flow passes through the venturi tube 2, the air pressure value sensor 3 is used for acquiring the air pressure value in the venturi tube 2, and the air pressure value is set to be the actual air pressure value of the wall-mounted boiler system, so that the air pressure value can be understood to be measured by supplying different working voltages to the fan 1.
As shown in fig. 4, the control device of the wall-mounted boiler includes a wind pressure value detection module 101, a voltage adjustment module 102, an actual wind pressure value acquisition module 103, a low voltage working condition determination module 104 and a blockage working condition determination module 105.
Specifically, the wind pressure value detection module 101 is configured to monitor a real-time wind pressure value of the fan 1 of the wall-mounted furnace;
the voltage adjustment module 102 is used for reducing the working voltage of the fan 1 to a preset judgment voltage when the real-time wind pressure value of the fan 1 is reduced to a first protection wind pressure value;
the actual wind pressure value obtaining module 103 is configured to obtain a first actual wind pressure value of the fan 1 when the judgment voltage is preset;
the low-voltage working condition judging module 104 is configured to judge that the current working condition is a low-voltage working condition if the first actual wind pressure value is smaller than the preset judgment wind pressure value;
and the blockage condition judging module 105 is configured to judge that the current condition is a blockage condition if the first actual wind pressure value is not less than the preset judgment wind pressure value.
The control device of the wall-mounted boiler specifically executes the method embodiment flow as described in the first embodiment and the second embodiment, and details of the foregoing embodiment are specifically please refer to the details of the foregoing embodiment, which is not repeated. The control device provided in this embodiment can accurately judge the low-voltage working condition or the blocking working condition by adjusting the working voltage of the fan 1 to the preset judgment voltage when the actual wind pressure value is reduced to the first protection wind pressure value and comparing the first actual wind pressure value corresponding to the preset judgment voltage with the preset judgment wind pressure value, so as to avoid false alarm.
Embodiment four:
the present embodiment provides an apparatus, and fig. 5 shows a block diagram of an apparatus 12 suitable for use in implementing the present embodiment. It should be noted that the device 12 shown in fig. 5 is only an example, and should not be construed as limiting the function and scope of use of the embodiment of the present application.
As shown in fig. 5, device 12 is in the form of a general purpose computing device. Components of device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 18, and a bus 28 that connects the various system components, including the system memory 18 and the processing units 16.
Bus 28 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, a processor, or a local bus using any of a variety of bus architectures. By way of example, and not limitation, such architectures include Industry Standard Architecture (ISA) bus, micro channel architecture (MAC) bus, enhanced ISA bus, video Electronics Standards Association (VESA) local bus, and Peripheral Component Interconnect (PCI) bus.
Device 12 typically includes a variety of computer system readable media. Such media can be any available media that is accessible by device 12 and includes both volatile and nonvolatile media, removable and non-removable media.
The system memory 18 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM) 30 and/or cache memory 32. Device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from or write to non-removable, nonvolatile magnetic media (not shown in FIG. 5, commonly referred to as a "hard disk drive"). Although not shown in fig. 5, a magnetic disk drive for reading from and writing to a removable non-volatile magnetic disk (e.g., a "floppy disk"), and an optical disk drive for reading from or writing to a removable non-volatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In such cases, each drive may be coupled to bus 28 through one or more data medium interfaces. The system memory 18 may include at least one program product having a set (e.g., at least one) of program modules configured to carry out the functions of the embodiments of the application.
A program/utility 40 having a set (at least one) of program modules 42 may be stored in, for example, system memory 18, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment. Program modules 42 generally perform the functions and/or methods of the embodiments described herein.
Device 12 may also communicate with one or more external devices 14 (e.g., keyboard, pointing device, display 24, etc.), one or more devices that enable a user to interact with device 12, and/or any devices (e.g., network card, modem, etc.) that enable device 12 to communicate with one or more other computing devices. Such communication may occur through an input/output (I/O) interface 22. In addition, in the device 12 of the present embodiment, the display 24 is not present as a separate body, but is embedded in the mirror surface, and the display surface of the display 24 and the mirror surface are visually integrated when the display surface of the display 24 is not displayed. Also, device 12 may communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN) and/or a public network, such as the Internet, via network adapter 20. As shown, the network adapter 20 communicates with other modules of the device 12 over a bus 28. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with device 12, including, but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.
The processing unit 16 executes various functional applications and data processing by running programs stored in the system memory 18, for example, implementing a control method provided in the first or second embodiment of the present application.
For the equipment provided by the embodiment, whether the wall-mounted furnace system is blocked or not can be judged according to the actual wind pressure value, the protection wind pressure value corresponding to the proportional valve current and the working voltage of the fan, and the magnitude of the protection wind pressure value is determined by the magnitude of the proportional valve current, so that the standard for judging the blocking is changed along with the change of working conditions, the wall-mounted furnace is prevented from being forcibly shut down, in addition, once the blocking occurs, the target current value is determined according to the actual wind pressure value, and then the protection wind pressure value is redetermined, so that the actual wind pressure value is higher than the protection wind pressure value, and finally the wind resistance of the wall-mounted furnace is improved.
Fifth embodiment:
the present embodiment provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements a control method as provided in the first or second embodiment of all the application.
For the computer readable storage medium provided by the embodiment, whether the wall-mounted furnace system is blocked or not can be judged according to the actual wind pressure value, the protection wind pressure value corresponding to the proportional valve current and the working voltage of the fan, and the magnitude of the proportional valve current determines the magnitude of the protection wind pressure value, so that the standard for judging the blocking is changed along with the change of working conditions, the wall-mounted furnace is prevented from being forcibly shut down, in addition, once the blocking occurs, the target current value is determined according to the actual wind pressure value, and then the protection wind pressure value is redetermined, so that the actual wind pressure value is higher than the protection wind pressure value, and finally the wind resistance of the wall-mounted furnace is improved.
Any combination of one or more computer readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM) 30, a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations of the present application may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
It is to be understood that the above examples of the present application are provided for clarity of illustration only and are not limiting of the embodiments of the present application. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the application. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are desired to be protected by the following claims.
Claims (8)
1. The control method of the wall-mounted furnace is characterized by comprising the following steps:
monitoring a real-time wind pressure value of a fan (1) of the wall-mounted furnace;
when the real-time wind pressure value of the fan (1) is reduced to a first protection wind pressure value, reducing the working voltage of the fan (1) to a preset judgment voltage;
acquiring a first actual wind pressure value of the fan (1) at the preset judgment voltage;
if the first actual wind pressure value is smaller than the preset judgment wind pressure value, judging that the current working condition is a low-voltage working condition;
if the first actual wind pressure value is larger than or equal to the preset judgment wind pressure value, judging that the current working condition is a blocking working condition;
before monitoring the real-time wind pressure value of the fan (1) of the wall-mounted furnace, the method further comprises the following steps:
acquiring a second actual wind pressure value of the fan (1) under a first voltage in a normal working state and a third actual wind pressure value of the fan (1) under a second voltage under a preset blocking working condition;
selecting a value from the second actual wind pressure value and the third actual wind pressure value as the preset judgment wind pressure value;
after determining that the current operating condition is a low voltage operating condition, the method further comprises:
restoring the working voltage of the fan (1) to the working voltage before the reduction;
acquiring a fourth actual wind pressure value of the current fan (1);
and if the fourth actual wind pressure value is smaller than a preset second protection wind pressure value, controlling the fan (1) to stop.
2. The method according to claim 1, wherein the ratio of the preset determination voltage to the current operation voltage is a coefficient α, the first voltage is a product of a rated operation voltage, the coefficient α and a low voltage coefficient m, the second voltage is a product of the rated operation voltage, the coefficient α and a high voltage coefficient n, 0 < α < 1, and m < 1 < n.
3. The control method of a wall-hanging stove according to claim 2, characterized by further comprising, before monitoring the real-time wind pressure value of a fan (1) of the wall-hanging stove:
obtaining a fifth actual wind pressure value of the fan (1) at the rated working voltage and a sixth actual wind pressure value of the fan (1) at a third voltage;
calculating a difference value between the fifth actual wind pressure value and the sixth actual wind pressure value;
and multiplying the difference value by a preset coefficient p to obtain the second protection wind pressure value, wherein the third voltage is set to be the product of the rated working voltage and the low voltage coefficient m.
4. The method for controlling a wall-mounted boiler according to claim 3, wherein the preset coefficient p is p e (0.3, 0.4).
5. The method for controlling a wall-mounted boiler according to claim 2, further comprising, after determining that the current operating condition is a blocking operating condition:
restoring the working voltage of the fan (1) to the working voltage before the reduction;
obtaining a seventh actual wind pressure value of the current fan (1);
and if the seventh actual wind pressure value is smaller than the first protection wind pressure value, controlling the fan (1) to stop.
6. A control device for a wall-hanging stove, characterized by being controlled by the control method for a wall-hanging stove according to any one of claims 1 to 5, comprising:
the wind pressure value detection module (101) is used for monitoring the real-time wind pressure value of the fan (1) of the wall-mounted furnace;
the voltage adjusting module (102) is used for reducing the working voltage of the fan (1) to a preset judging voltage when the real-time wind pressure value of the fan (1) is reduced to a first protection wind pressure value;
the actual wind pressure value acquisition module (103) is used for acquiring a first actual wind pressure value of the fan (1) when the preset judgment voltage is generated;
the low-voltage working condition judging module (104) is used for judging that the current working condition is a low-voltage working condition if the first actual wind pressure value is smaller than a preset judging wind pressure value;
and the blockage working condition judging module (105) is used for judging that the current working condition is a blockage working condition if the first actual wind pressure value is not smaller than the preset judgment wind pressure value.
7. An apparatus, comprising:
one or more processors;
a storage means for storing one or more programs;
when the one or more programs are executed by the one or more processors, the one or more processors implement the method for controlling a wall-mounted boiler according to any one of claims 1 to 4.
8. A computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the control method of the wall-hanging stove as claimed in any one of claims 1 to 5.
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| CN202210161633.5A CN114484887B (en) | 2022-02-22 | 2022-02-22 | Control method, device and equipment of wall-mounted furnace and computer readable storage medium |
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| CN202210161633.5A CN114484887B (en) | 2022-02-22 | 2022-02-22 | Control method, device and equipment of wall-mounted furnace and computer readable storage medium |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0989247A (en) * | 1995-09-25 | 1997-04-04 | Noritz Corp | Hot water feeding device |
| CN110906560A (en) * | 2019-11-06 | 2020-03-24 | 宁波方太厨具有限公司 | Working method of gas heating water heater based on flue blockage detection |
| CN113028652A (en) * | 2021-04-03 | 2021-06-25 | 中山百得厨卫有限公司 | Water heater control method based on wind pressure sensor and water heater |
-
2022
- 2022-02-22 CN CN202210161633.5A patent/CN114484887B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0989247A (en) * | 1995-09-25 | 1997-04-04 | Noritz Corp | Hot water feeding device |
| CN110906560A (en) * | 2019-11-06 | 2020-03-24 | 宁波方太厨具有限公司 | Working method of gas heating water heater based on flue blockage detection |
| CN113028652A (en) * | 2021-04-03 | 2021-06-25 | 中山百得厨卫有限公司 | Water heater control method based on wind pressure sensor and water heater |
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| CN114484887A (en) | 2022-05-13 |
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