CN109340887B - Gas wall-mounted boiler control method and device, control equipment and gas wall-mounted boiler - Google Patents
Gas wall-mounted boiler control method and device, control equipment and gas wall-mounted boiler Download PDFInfo
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- CN109340887B CN109340887B CN201811120004.8A CN201811120004A CN109340887B CN 109340887 B CN109340887 B CN 109340887B CN 201811120004 A CN201811120004 A CN 201811120004A CN 109340887 B CN109340887 B CN 109340887B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/04—Gas or oil fired boiler
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- 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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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Abstract
The invention relates to a wall-mounted gas stove control method, device and equipment and a wall-mounted gas stove. The control method of the gas wall-mounted boiler comprises the following steps: and sending a fan starting signal to the fan of the gas wall-mounted boiler. And if the wind pressure switch closing signal is not received in the first time period of the operation of the fan, judging that a wind pressure fault occurs. After the wind pressure fault is judged, if the wind pressure switch closing signal is not received in a second time period of the operation of the fan, a fan closing signal is sent to the fan; and if the wind pressure switch closing signal is received in the second time period of the running of the fan, executing an ignition process. When the wind pressure fault is caused by the slow starting of the fan, the wall-mounted gas boiler can be normally ignited and started. Simultaneously, can in time stop the fan operation when leading to the wind pressure trouble because of other reasons again, guarantee the life of gas hanging stove.
Description
Technical Field
The invention relates to the field of control of wall-mounted gas furnaces, in particular to a wall-mounted gas furnace control method, device and equipment and a wall-mounted gas furnace.
Background
The wall-mounted gas boiler is a device for heating the indoor environment of a building through gas combustion heating. The furnace body of the gas wall-hanging furnace is arranged indoors. The balance flue is arranged on the furnace body and is communicated with the furnace body and the outdoor environment. The balance flue comprises two coaxial sleeves, the inner pipe is used for discharging smoke, the pipe diameter of the outer pipe is larger than that of the inner pipe, and a gap channel is formed between the outer pipe and the inner pipe at intervals and used for sucking and preheating outdoor air. In order to enable the fuel gas in the furnace body to be continuously and stably combusted, the fan is arranged in the inner pipe, the smoke in the furnace body is continuously discharged at a certain wind speed, stable wind pressure, namely standard wind pressure, is formed between the furnace body and the outdoor, and the outdoor air continuously enters the furnace body through the spacing channel to form air circulation. The outdoor air enters the furnace body and is mixed with the fuel gas in a certain proportion, so that the proportion of the fuel gas and the air in the furnace body reaches the optimal excess air coefficient, and the fuel gas is completely combusted. The inner tube of the balance flue is provided with a wind pressure switch for detecting wind pressure in the inner tube, when the wind pressure switch is combined, the wind pressure in the inner tube reaches standard wind pressure, and then the ignition process of the gas wall-mounted furnace is started.
In a conventional technology, a detection time limit is set for starting a fan and reaching a standard wind pressure, and if the detection time limit is reached after the fan is started, a wind pressure switch is not closed, so that the fault of the fan is judged, and the fan is stopped. The detection time limit of the control method is fixed, so that the detection of the fan cannot adapt to the change of the environmental temperature. When the outdoor temperature is low, the starting of the fan is slowed down, the standard air pressure is unlikely to be reached when the detection time limit is up, and at the moment, if the method is used for controlling the gas wall-mounted boiler, the fan fault misjudgment can occur, so that the gas wall-mounted boiler cannot be ignited and started.
In another conventional technique, after a wind pressure fault is determined, the operation of the fan is still maintained until the wind pressure generated by the fan reaches the standard, so that a wind pressure switch is closed, the wind pressure fault is relieved, and an ignition process is started. Although the method can solve the problem of low-temperature starting speed of the fan, the reason of wind pressure failure is not only that the fan is started slowly due to low temperature. For example, a wind pressure switch failure or the like is also possible. If the wind pressure fault is not caused by slow starting of the fan, the control method can not only lead the wall-mounted gas stove to be incapable of igniting and starting, but also continuously suck outdoor cold air into the stove body to damage equipment and pipelines in the stove body.
In summary, a control method is needed, which can not only enable the wall-mounted gas boiler to be normally ignited and started when the wind pressure fault is caused by slow start of the fan, but also timely stop the fan from running when the wind pressure fault is caused by other reasons, thereby ensuring the service life of the wall-mounted gas boiler.
Disclosure of Invention
Based on this, it is necessary to provide a method and a device for controlling a wall-mounted gas boiler, a control device and a wall-mounted gas boiler, aiming at the problem that the service life is affected due to accelerated freezing and bursting of equipment and pipelines in the boiler body caused by continuous operation of a fan due to wind pressure failure in a cold environment.
On one hand, the embodiment of the invention provides a wall-mounted gas boiler control method, which comprises the following steps:
sending a fan starting signal to a fan of the gas wall-mounted boiler;
if the wind pressure switch closing signal is not received in a first time period of the operation of the fan, judging that a wind pressure fault occurs;
after the wind pressure fault is judged, if the wind pressure switch closing signal is not received in a second time period of the operation of the fan, a fan closing signal is sent to the fan; and if the wind pressure switch closing signal is received in the second time period of the running of the fan, executing an ignition process.
In one embodiment, after the step of sending the fan turn-off signal to the fan, the method further includes:
acquiring the starting times of the current fan;
and if the current fan starting times are less than the preset maximum starting times, returning to execute the step of sending a fan starting signal to the fan of the gas wall-mounted boiler.
In one embodiment, after the step of determining that the wind pressure fault occurs if the wind pressure switch closing signal is not received within the first time period of the fan operation, the method further includes:
sending a fault display command to a display device of the gas wall-mounted boiler; the fault display command instructs the display device to display the fault information.
In one embodiment, the method further comprises the following steps:
and when a reset command is received, resetting the current fan starting times, and returning to execute the step of sending a fan starting signal to the fan of the gas wall-mounted boiler.
In one embodiment, after the step of sending the fan on signal to the fan of the gas wall-hanging stove, the method further comprises:
and if the wind pressure switch closing signal is received in the first time period of the running of the fan, executing an ignition process.
On the other hand, the embodiment of the invention also provides a wall-mounted gas boiler control device, which comprises:
the fan starting module is used for sending a fan starting signal to a fan of the gas wall-mounted boiler;
the wind pressure fault determination module is used for determining that a wind pressure fault occurs when a wind pressure switch closing signal is not received in a first time period of fan operation;
and the fan closing module is used for sending a fan closing signal to the fan when the wind pressure fault is judged to occur and the wind pressure switch closing signal is not received in the second time period of the operation of the fan.
And the first ignition module is used for executing an ignition process when a wind pressure switch closing signal is received in a second time period of fan operation after the wind pressure fault is judged to occur.
In one embodiment, the method further comprises the following steps:
the fan starting frequency acquisition module is used for acquiring the current fan starting frequency;
and the return execution module is used for returning to execute the fan starting module when the current fan starting times are less than the preset maximum starting times.
In another aspect, an embodiment of the present invention provides a control apparatus, including a memory and a processor, where the memory stores a computer program, and the processor implements the following steps when executing the computer program:
sending a fan starting signal to a fan of the gas wall-mounted boiler;
if the wind pressure switch closing signal is not received in a first time period of the operation of the fan, judging that a wind pressure fault occurs;
after the wind pressure fault is judged, if the wind pressure switch closing signal is not received in a second time period of the operation of the fan, a fan closing signal is sent to the fan; and if the wind pressure switch closing signal is received in the second time period of the running of the fan, executing an ignition process.
In another aspect, an embodiment of the present invention further provides a wall-mounted gas boiler, including: the device comprises a fan, a wind pressure switch, an ignition heating device, a display device and the control equipment;
the control equipment is respectively and electrically connected with the fan, the wind pressure switch, the ignition heating device and the display device.
In one aspect, an embodiment of the present invention is a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the following steps:
sending a fan starting signal to a fan of the gas wall-mounted boiler;
if the wind pressure switch closing signal is not received in a first time period of the operation of the fan, judging that a wind pressure fault occurs;
after the wind pressure fault is judged, if the wind pressure switch closing signal is not received in a second time period of the operation of the fan, a fan closing signal is sent to the fan; and if the wind pressure switch closing signal is received in the second time period of the running of the fan, executing an ignition process.
According to the wall-mounted gas furnace control method, the wall-mounted gas furnace control device, the wall-mounted gas furnace and the storage medium, after the fan is controlled to be started, if a wind pressure switch closing signal is not received in a first time period of operation of the fan, a wind pressure fault is judged to occur. And after the wind pressure fault is judged to occur, keeping the fan to operate in a second time period, and waiting for the fan to gradually start to generate wind pressure. If in the second time quantum, receive the wind pressure switch closure signal, then confirm that the wind pressure trouble arouses because of the fan starts slowly to the fan has already started and reached standard wind pressure this moment, and the wind pressure trouble has been eliminated, carries out the ignition flow, and the gas hanging stove starts by normal ignition. If the wind pressure switch closing signal is not received in the second time period, the wind pressure fault is determined not to be caused by slow starting of the fan, the fan is immediately closed, so that the temperature of the equipment and the pipeline in the furnace body is not close to the outdoor temperature, the equipment and the pipeline in the furnace body are prevented from being frozen or burst, and the service life of the gas wall-mounted furnace is not influenced.
Drawings
Fig. 1 is a schematic flow chart illustrating a method for controlling a gas wall-hanging stove according to an embodiment;
fig. 2 is a schematic flow chart illustrating a method for controlling a gas wall-hanging stove according to another embodiment;
fig. 3 is a schematic flow chart illustrating a method for controlling a gas wall-hanging stove according to yet another embodiment;
fig. 4 is a block diagram showing a structure of a gas wall-hanging stove control device according to an embodiment;
FIG. 5 is an internal structural diagram of a control device in one embodiment;
fig. 6 is a block diagram of a gas wall-hanging stove in one embodiment.
Detailed Description
For better understanding of the objects, technical solutions and effects of the present invention, the present invention will be further explained with reference to the accompanying drawings and examples. Meanwhile, the following described examples are only for explaining the present invention, and are not intended to limit the present invention.
As shown in fig. 1, an embodiment of the present invention provides a method for controlling a wall-mounted gas stove, which can be implemented in a main control device of the wall-mounted gas stove, and includes:
step S10, sending a fan starting signal to a fan of the gas wall-mounted boiler;
step S20, if the wind pressure switch closing signal is not received in the first time period of the fan operation, the wind pressure fault is judged to occur;
step S50, after the wind pressure fault is judged, if the wind pressure switch closing signal is not received in the second time period of the fan operation, the fan closing signal is sent to the fan;
and step S60, after the wind pressure fault is judged, if a wind pressure switch closing signal is received in a second time period of the fan operation, an ignition process is executed.
Specifically, a fan starting signal is sent to a fan of the gas wall-mounted boiler, so that the fan is started to operate, timing of a first time period of operation of the fan is started, if a wind pressure switch closing signal is not received when the timing of the first time period is ended, a wind pressure fault is determined to occur, and at the moment, the wind pressure fault may be caused slowly due to the starting of the fan or due to other reasons, such as the fault of the wind pressure switch. In order to effectively eliminate the condition that the wind pressure fault is detected due to slow starting of the fan caused by low environmental temperature, after the wind pressure fault is judged to occur, the fan is kept running, the second time period of the running of the fan is started to be timed, when the timing of the second time period is finished, if the wind pressure switch closing signal is not received, the wind pressure fault is determined to be not caused by the slow starting of the fan, and a fan closing signal is sent to the fan to close the fan. And during the second time period, if the wind pressure switch closing signal is received, determining that the wind pressure fault is recovered, and executing an ignition process. In one embodiment, the firing sequence includes sending a firing command to a firing heater of the gas fired wall-hanging stove. The firing command instructs the firing heater to fire.
Wherein, the wind pressure switch closure signal instructs the wind pressure switch to be in the closure state, is produced by the wind pressure switch. The duration of the first time period and the duration of the second time period are preset parameters, and can be set by technicians according to debugging experience. In one embodiment, the first time period is 5 seconds and the second time period is 120 seconds.
According to the control method of the gas wall-mounted boiler, after the fan is controlled to be started, if the wind pressure switch closing signal is not received in the first time period of the operation of the fan, the occurrence of a wind pressure fault is judged. And after the wind pressure fault is judged to occur, keeping the fan to operate in a second time period, and waiting for the fan to gradually start to generate wind pressure. If in the second time quantum, receive the wind pressure switch closure signal, then confirm that the wind pressure trouble arouses because of the fan starts slowly, and the fan has started and reached standard wind pressure this moment, and the wind pressure trouble has been eliminated, carries out the ignition flow, and the gas hanging stove starts by normal ignition. And if the wind pressure switch closing signal is not received in the second time period, determining that the wind pressure fault is not caused by the slow starting of the fan. Therefore, after the second time period is finished, the fan is timely turned off, so that the temperature of the equipment and the pipeline in the furnace body is not close to the outdoor low temperature, the equipment and the pipeline in the furnace body are prevented from being frozen or burst, and the service life of the gas wall-mounted furnace is guaranteed.
In one embodiment, as shown in fig. 2, after the step of sending the fan-off signal to the fan, the method further includes:
step S70, acquiring the starting times of the current fan;
and step S80, if the current fan starting times are less than the preset maximum starting times, returning to the step of sending a fan starting signal to the fan of the gas wall-mounted boiler.
Specifically, after a fan closing signal is sent to the fan to stop the fan from running, the current fan starting times are obtained. And if the current fan starting times are smaller than the preset maximum starting times, jumping back to the step S and restarting the fan. And if the starting times of the current fan are equal to the preset maximum starting times, the fan is not started any more.
The starting times of the current fan are increased once when the fan goes through the process from starting to closing once. In one embodiment, the maximum number of starts is 3. When the fan closing signal is sent for the first time, the current fan starting frequency is 1, 1 is smaller than the maximum starting frequency 3, the step S10 is returned to be executed, and the fan is started for the second time. And if the fan can be turned off in the step S50 after the fan is started for the second time, accumulating the starting times of the current fan by 1 to be 2, wherein the current grading starting time 2 is less than the maximum starting time 3, returning to execute the step S10 again, and starting the fan for the third time. If the fan can be turned off in the step S50 after the fan is turned on for the third time, the number of the starting times of the current fan is accumulated again to be 1 and is changed to be 3, the number of the starting times of the current fan reaches the maximum number of the starting times of 3, the step S10 is not executed again, and the fan is kept in the turning-off state.
According to the control method of the gas wall-hanging stove, the fan is started for multiple times in a circulating mode according to the preset maximum starting times, and steps S10, S20 and S50 are executed. According to the embodiment, after the current starting times of the fan reach the maximum starting times, the fan is stored to be closed, so that the equipment and the pipeline in the furnace body are prevented from being frozen or burst, and the service life of the gas wall-mounted furnace is not influenced. The embodiment further increases the time for increasing the rotating speed of the fan, and can more reliably eliminate the wind pressure fault caused by slow starting of the fan. On the other hand, when having blockked up the comdenstion water in the pipeline between fan to the wind pressure switch, this embodiment opens and close the fan through manifold cycles and can make the comdenstion water get rid of the pipeline to the solution blocks up the wind pressure trouble that the pipeline leads to because of the comdenstion water.
In one embodiment, as shown in fig. 3, after the step of determining that the wind pressure fault occurs if the wind pressure switch closing signal is not received within the first time period of the fan operation, the method further includes:
step S40, sending a fault display command to a display device of the gas wall-mounted boiler; the fault display command instructs the display device to display the fault information.
Specifically, after the wind pressure fault is judged to occur, a fault display command is generated and sent to the display device, so that the display device displays fault information. The failure display command includes failure information. After the fault is judged, fault information is displayed on the display device, so that a user can timely know that the gas wall-mounted boiler has a wind pressure fault, and certain manual repair is convenient to take.
In one embodiment, the method further comprises the steps of:
and step S90, when a reset command is received, clearing the current fan starting times, and returning to the step of sending a fan starting signal to the fan of the gas wall-hanging stove.
Specifically, no matter which step the control method of the gas wall-mounted boiler is executed in, if a reset command is received, the current fan starting frequency is reset, and the step of sending the fan starting signal to the fan of the gas wall-mounted boiler for the first time is returned again. Wherein the reset command may be issued by the user by pressing a key.
In one embodiment, as shown in fig. 3, after the step of sending the fan on signal to the fan of the gas wall-hanging stove, the method further includes:
and step S30, if a wind pressure switch closing signal is received in the first time period of the fan operation, an ignition process is executed.
And when the fan switch is closed, the wind pressure reaches the standard, and then the ignition process is executed. In one embodiment, after receiving the wind pressure switch closing signal, the method further comprises the following steps:
sending a fault removal display command to a display device; the trouble shooting display command is used to instruct the display device to cancel the presentation of the trouble information.
On the other hand, as shown in fig. 4, an embodiment of the present invention further provides a wall-mounted gas boiler control device, including:
the fan starting module 210 is used for sending a fan starting signal to a fan of the gas wall-mounted boiler;
the wind pressure fault determination module 220 is configured to determine that a wind pressure fault occurs when a wind pressure switch closing signal is not received within a first time period of operation of the fan;
and the fan shutdown module 230 is configured to send a fan shutdown signal to the fan when the wind pressure fault is determined to occur and the wind pressure switch shutdown signal is not received in the second time period of the fan operation.
And the first ignition module 240 is configured to execute an ignition process when a wind pressure switch closing signal is received in a second time period of operation of the fan after the wind pressure fault is determined to occur.
In one embodiment, further comprising:
the fan starting frequency acquisition module is used for acquiring the current fan starting frequency;
and a return execution module, configured to return to execute the fan starting module 210 when the current fan starting frequency is smaller than the preset maximum starting frequency.
In one embodiment, further comprising:
the fault display module is used for sending a fault display command to a display device of the gas wall-mounted boiler; the fault display command instructs the display device to display the fault information.
In one embodiment, further comprising:
and the resetting module is configured to zero the current fan starting times when the resetting command is received, and return to the fan starting execution module 210.
In one embodiment, further comprising:
and the second ignition module is used for executing an ignition process when receiving a wind pressure switch closing signal in a first time period of fan operation.
For specific limitations of the gas wall-hanging stove control device, reference may be made to the above limitations on the gas wall-hanging stove control method, which is not described herein again. All modules in the gas wall-hanging stove control device can be completely or partially realized through software, hardware and a combination of the software and the hardware. The modules can be embedded in a hardware form or independent from a processor in the control device, and can also be stored in a memory in the control device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a control device 350 is provided, and the control device 350 may be a single chip microcomputer or a PLC controller, and its internal structure diagram may be as shown in fig. 5. The control device 350 includes a processor, memory, and a network interface connected by a system bus. Wherein the processor of the control device 350 is used to provide computing and control capabilities. The memory of the control device 350 includes a nonvolatile storage medium, an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the control device 350 is used for communication with an external terminal through a network connection. The computer program is executed by a processor to realize a gas wall-hanging stove control method.
It will be understood by those skilled in the art that the configuration shown in fig. 5 is a block diagram of only a portion of the configuration associated with the present application, and does not constitute a limitation on the control device 350 to which the present application is applied, and that a particular control device 350 may include more or less components than shown, or combine certain components, or have a different arrangement of components.
In an embodiment, a control device 350 is provided, comprising a memory having a computer program stored therein and a processor implementing the following steps when the computer program is executed:
sending a fan starting signal to a fan of the gas wall-mounted boiler;
if the wind pressure switch closing signal is not received in a first time period of the operation of the fan, judging that a wind pressure fault occurs;
after the wind pressure fault is judged, if the wind pressure switch closing signal is not received in a second time period of the operation of the fan, a fan closing signal is sent to the fan; and if the wind pressure switch closing signal is received in the second time period of the running of the fan, executing an ignition process.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
acquiring the starting times of the current fan; and if the current fan starting times are less than the preset maximum starting times, returning to execute the step of sending a fan starting signal to the fan of the gas wall-mounted boiler.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
sending a fault display command to a display device of the gas wall-mounted boiler; the fault display command instructs the display device to display the fault information.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
and when a reset command is received, resetting the current fan starting times, and returning to execute the step of sending a fan starting signal to the fan of the gas wall-mounted boiler.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
and if the wind pressure switch closing signal is received in the first time period of the running of the fan, executing an ignition process.
In another aspect, as shown in fig. 6, the present invention provides a wall-mounted gas boiler, including: a fan 310, a wind pressure switch 320, an ignition heating device 330, a display device 340 and the above-mentioned control equipment 350;
the control device 350 is electrically connected to the blower fan 310, the wind pressure switch 320, the ignition heating apparatus 330 and the display apparatus 340, respectively. In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
sending a fan starting signal to a fan of the gas wall-mounted boiler;
if the wind pressure switch closing signal is not received in a first time period of the operation of the fan, judging that a wind pressure fault occurs;
after the wind pressure fault is judged, if the wind pressure switch closing signal is not received in a second time period of the operation of the fan, a fan closing signal is sent to the fan; and if the wind pressure switch closing signal is received in the second time period of the running of the fan, executing an ignition process.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring the starting times of the current fan; and if the current fan starting times are less than the preset maximum starting times, returning to execute the step of sending a fan starting signal to the fan of the gas wall-mounted boiler.
In one embodiment, the computer program when executed by the processor further performs the steps of:
sending a fault display command to a display device of the gas wall-mounted boiler; the fault display command instructs the display device to display the fault information.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and when a reset command is received, resetting the current fan starting times, and returning to execute the step of sending a fan starting signal to the fan of the gas wall-mounted boiler.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and if the wind pressure switch closing signal is received in the first time period of the running of the fan, executing an ignition process.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A control method of a wall-mounted gas stove is characterized by comprising the following steps:
sending a fan starting signal to a fan of the gas wall-mounted boiler so as to enable the boiler body and the outdoor to form standard air pressure and control an air pressure switch to be closed;
if the wind pressure switch closing signal is not received in a first time period of the operation of the fan, judging that a wind pressure fault occurs;
after the wind pressure fault is judged, if a wind pressure switch closing signal is not received in a second time period of operation of the fan, sending a fan closing signal to the fan to obtain the current fan starting times, and if the current fan starting times are smaller than the preset maximum starting times, returning to the step of sending a fan opening signal to the fan of the gas wall-mounted furnace;
if a wind pressure switch closing signal is received in a second time period of the operation of the fan, an ignition process is executed, so that the temperature of equipment and a pipeline in the furnace body is not close to the outdoor temperature, the equipment and the pipeline in the furnace body are prevented from freezing or bursting, and meanwhile, the wind pressure fault caused by the pipeline blocked by condensed water is avoided; the first time period is less than the second time period.
2. The gas wall-hanging stove control method according to claim 1, wherein the maximum number of starts is 3.
3. The method for controlling the gas wall-hanging stove according to claim 1 or 2, wherein after the step of determining that the wind pressure fault occurs if the wind pressure switch closing signal is not received within the first time period of the fan operation, the method further comprises:
sending a fault display command to a display device of the gas wall-mounted boiler; the fault display command instructs the display device to display fault information.
4. The gas wall-hanging stove control method according to claim 3, characterized by further comprising the steps of:
and when a reset command is received, resetting the current fan starting times, and returning to execute the step of sending a fan starting signal to the fan of the gas wall-mounted boiler.
5. The gas wall-hanging stove control method according to claim 4, after the step of sending the fan start signal to the fan of the gas wall-hanging stove, further comprising:
and if the wind pressure switch closing signal is received in the first time period of the running of the fan, executing an ignition process.
6. The utility model provides a gas hanging stove controlling means which characterized in that includes:
the fan starting module is used for sending a fan starting signal to a fan of the gas wall-mounted furnace so as to enable the furnace body and the outdoor to form standard wind pressure and control a wind pressure switch to be closed;
the wind pressure fault determination module is used for determining that a wind pressure fault occurs when a wind pressure switch closing signal is not received in a first time period of fan operation;
the fan closing module is used for sending a fan closing signal to the fan when the wind pressure fault is judged to occur and the wind pressure switch closing signal is not received in a second time period of the operation of the fan;
the fan starting frequency acquisition module is used for acquiring the current fan starting frequency;
the return execution module is used for returning to execute the fan starting module when the current fan starting times are smaller than the preset maximum starting times;
the first ignition module is used for executing an ignition process when a wind pressure switch closing signal is received in a second time period of operation of the fan after the wind pressure fault is judged to occur, so that the temperature of equipment and a pipeline in the furnace body is not close to the outdoor temperature, the equipment and the pipeline in the furnace body are prevented from freezing or bursting, and the wind pressure fault caused by the fact that the pipeline is blocked by condensed water is avoided; the first time period is less than the second time period.
7. The gas wall-hanging stove control device according to claim 6, wherein the maximum number of starts is 3.
8. A control device comprising a memory and a processor, the memory storing a computer program, characterized in that the memory realizes the steps of the method according to any one of claims 1 to 5 when executing the computer program.
9. A gas wall hanging stove comprising: a fan, a wind pressure switch, an ignition heating device, a display device, and the control apparatus according to claim 8;
the control equipment is respectively and electrically connected with the fan, the wind pressure switch, the ignition heating device and the display device.
10. A computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the gas wall-hanging stove control method of any one of claims 1 to 5.
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| CN109340887A (en) | 2019-02-15 |
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