CN111894884A - Fan control method suitable for arc welding power supply, storage medium and arc welding power supply - Google Patents
Fan control method suitable for arc welding power supply, storage medium and arc welding power supply Download PDFInfo
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- CN111894884A CN111894884A CN202010664601.8A CN202010664601A CN111894884A CN 111894884 A CN111894884 A CN 111894884A CN 202010664601 A CN202010664601 A CN 202010664601A CN 111894884 A CN111894884 A CN 111894884A
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- 238000003466 welding Methods 0.000 title claims abstract description 181
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000004590 computer program Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/003—Cooling means for welding or cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- General Engineering & Computer Science (AREA)
- Arc Welding Control (AREA)
Abstract
The invention relates to a fan control method suitable for an arc welding power supply, which comprises the steps of controlling a fan to stop rotating for a preset rotation time and then rotate for a preset rotation time when the arc welding power supply is in an idle mode, and thus, the fan operates in a reciprocating mode; and detecting whether the output current of the arc welding power supply is zero in real time, if so, keeping an idle mode, and if not, entering a working mode. The invention solves the starting and stopping problems of the fan in a complex working environment, when the arc welding power supply is in an idle state, the fan continuously repeats the rotating and stopping processes, the rotation of the fan can prompt the arc welding power supply to be in a normal running state, wherein the time of the rotating process is shorter than that of the stopping process, and the interference to a quiet working environment is reduced.
Description
Technical Field
The invention relates to the technical field of arc welding power supplies, in particular to a fan control method suitable for an arc welding power supply, a storage medium and the arc welding power supply.
Background
Most welding machines are provided with arc welding power supplies which are provided with fans, and the fans are used for forcibly cooling heating devices in the arc welding power supplies; however, most fans are in operation after the arc welding power supply is started, regardless of whether the arc welding power supply needs cooling.
The application number 201910377323.5 discloses a digital multifunctional power supply based on plasma arc technology, which comprises a plasma arc welding power supply, wherein the plasma arc welding power supply is internally divided into a power supply control assembly, a welding output control assembly and a display operation assembly; the power supply control assembly comprises a main control board, a welding power supply connected with the main control board, a main transformer arranged between the main control board and the welding power supply, and a plasma welding gun interface, an argon arc welding gun interface, an air inlet interface, a water inlet interface and a water return interface which are arranged on the side surface of the rack; the welding power supply is an alternating current-direct current power supply, the main control board is connected with the PLC, the PLC is connected with the fan, the fan is installed at the bottom of the rack, and the thermal grid window is installed on the side wall of the rack.
The above prior art solutions have the following drawbacks: in the welding process, the welding machine is required to be kept in an on state, but the welding time is short, the arc welding power supply is in an idle state at the moment, if the fan of the arc welding power supply keeps rotating all the time, large noise pollution can be generated, meanwhile, the standby power consumption can be increased, and energy waste is caused.
Disclosure of Invention
The invention aims to provide a fan control method suitable for an arc welding power supply, which can prompt the arc welding power supply to be in a normal running state and reduce interference on a quiet working environment.
The above object of the present invention is achieved by the following technical solutions:
a fan control method suitable for an arc welding power supply is characterized in that when the arc welding power supply is in an idle mode, a fan is controlled to stop rotating for a preset rotation time and then rotate for a preset rotation time, and therefore the fan is operated in a reciprocating mode; and detecting whether the output current of the arc welding power supply is zero in real time, if so, keeping an idle mode, and if not, entering a working mode.
By adopting the technical scheme, when the arc welding power supply is in an idle mode, the fan continuously repeats the rotating and stopping processes, the fan rotates to prompt the arc welding power supply to be in a normal operation state, whether the output current of the arc welding power supply is zero or not is detected in real time so as to judge whether the arc welding power supply is in a working state or not, and when the arc welding power supply is in the working state, the fan is switched to be in the working state, so that a good cooling effect can be achieved on electronic devices inside the arc welding power supply, and the normal operation of the arc welding power supply is ensured.
The present invention in a preferred example may be further configured to: the idle mode specifically comprises the following steps:
s11: controlling the fan to stop rotating and setting the preset stalling time;
s12: detecting whether the output current of the arc welding power supply is zero, if so, entering a step S13, and if not, entering a working mode;
s13: judging whether the preset stalling time is reached, if not, keeping the fan to stop rotating and returning to the step S12, and if so, entering the step S14;
s14: controlling the fan to start rotating and setting the preset rotating time;
s15: detecting whether the output current of the arc welding power supply is zero, if so, entering a step S16, and if not, entering a working mode;
s16: and judging whether the preset rotation time is reached, if not, keeping the fan rotating and returning to the step S15, and if so, returning to the step S11.
By adopting the technical scheme, when the arc welding power supply is in an idle mode, the fan continuously and repeatedly rotates and stops rotating, the fan rotates to prompt the arc welding power supply to be in a normal operation state, and when in site construction, workers do not need to intentionally check the change of the indicator lamps on the arc welding power supply panel.
The present invention in a preferred example may be further configured to: the preset stalling time is greater than the preset rotating time.
By adopting the technical scheme, the preset stalling time is set to be longer than the preset rotating time, so that the time of the rotating process of the fan is shorter than the time of the stalling process, and the interference to a quiet working environment is reduced.
The present invention in a preferred example may be further configured to: the working mode is as follows: the fan is controlled to keep rotating, the output current and the temperature of the arc welding power supply are detected in real time, and the fan is switched into an idle mode only when the output current of the arc welding power supply is zero and the temperature is lower than a preset stop temperature threshold value.
By adopting the technical scheme, in the working mode, the output current and the temperature of the arc welding power supply are detected in real time, the fan is switched to the idle mode only when the output current of the arc welding power supply is zero and the temperature is lower than the preset stop temperature threshold value, otherwise, the fan is in the working mode and keeps rotating, and therefore a good cooling effect can be achieved on electronic devices inside the arc welding power supply.
The present invention in a preferred example may be further configured to: the working mode specifically comprises the following steps:
s21: controlling the fan to rotate and keep rotating;
s22: detecting whether the output current of the arc welding power supply is zero, if not, returning to the step S21, and if so, entering the step S23;
s23: and detecting whether the temperature of the arc welding power supply is higher than a preset stalling temperature threshold, if so, returning to the step S21, and if not, setting preset rotation time and then entering an idle mode.
By adopting the technical scheme, when the arc welding power supply is in a working state, the fan is switched to be in the working state, the output current and the temperature of the arc welding power supply are detected in real time, the fan is switched to be in an idle mode only when the output current of the arc welding power supply is zero and the temperature is lower than a preset stop temperature threshold, otherwise, the fan is in the working mode and keeps rotating, so that a good cooling effect can be achieved on electronic devices inside the arc welding power supply, the normal operation of the arc welding power supply is guaranteed, the noise pollution can be reduced, the standby power consumption can be reduced, and the energy waste is reduced.
The present invention in a preferred example may be further configured to: before the arc welding power supply is in an idle mode, the method also comprises a starting mode, wherein the starting mode comprises the following steps:
s01: the arc welding power supply is powered on and initialized;
s02: controlling the fan to start and setting a first rotation time;
s03: keeping the fan rotating and detecting whether the temperature of the arc welding power supply is higher than a preset stalling temperature threshold, if so, entering a step S04, and if not, entering a step S05;
s04: controlling the fan to keep rotating and setting a second rotating time, and returning to the step S03;
s05: and judging whether the first rotation time or the second rotation time is reached, if not, returning to the step S03, and if so, entering an idle mode.
By adopting the technical scheme, after the arc welding power supply is powered on, the fan is controlled to rotate for the first rotation time and then stop rotating, in the process, if the temperature of the arc welding power supply is detected to be higher than the preset stop temperature threshold value, the fan is controlled to keep rotating for the second rotation time and detect the temperature of the arc welding power supply in real time, and the fan is controlled to stop rotating until the temperature of the arc welding power supply is lower than the preset stop temperature threshold value.
The present invention in a preferred example may be further configured to: the method further comprises the following steps after the step S02: and judging whether a fan control mode is adopted, if so, entering the step S03, and if not, controlling the fan to always rotate.
By adopting the technical scheme, when the arc welding power supply is started, whether the fan control mode is adopted or not is judged, and in some occasions where ventilation and heat dissipation of the arc welding power supply must be kept, the fan control mode can be selected not to be adopted, and the fan is controlled to always keep rotating until the arc welding power supply is powered off, so that different requirements of different application scenes are met.
The present invention in a preferred example may be further configured to: when the arc welding power supply is in an idle mode, the method further comprises the following steps: and detecting the input voltage of the arc welding power supply in real time, and controlling the fan to start when the input voltage is lower than a preset voltage threshold.
By adopting the technical scheme, when the input voltage is lower than the preset voltage threshold value, the power failure of the arc welding power supply is indicated, and at the moment, the starting of the fan is controlled so as to shorten the discharging time of the input filter capacitor and enable the arc welding power supply to be shut down as fast as possible.
The invention also aims to provide a computer storage medium which can store corresponding programs, not only can prompt the arc welding power supply to be in a normal running state, but also can reduce the interference to a quiet working environment.
The second aim of the invention is realized by the following technical scheme:
a computer-readable storage medium stores a computer program that can be loaded by a processor and executes the above-described fan control method applicable to an arc welding power supply.
By adopting the technical scheme, when the arc welding power supply is in an idle mode, the fan continuously repeats the rotating and stopping processes, the fan rotates to prompt the arc welding power supply to be in a normal operation state, whether the output current of the arc welding power supply is zero or not is detected in real time so as to judge whether the arc welding power supply is in a working state or not, and when the arc welding power supply is in the working state, the fan is switched to be in the working state, so that a good cooling effect can be achieved on electronic devices inside the arc welding power supply, and the normal operation of the arc welding power supply is ensured.
The invention aims to provide an arc welding power supply which can prompt the arc welding power supply to be in a normal running state and reduce interference to a quiet working environment.
The third object of the invention is realized by the following technical scheme:
an arc welding power supply comprises a memory and a processor, wherein the memory is stored with a computer program which can be loaded by the processor and executes the fan control method suitable for the arc welding power supply.
By adopting the technical scheme, when the arc welding power supply is in an idle mode, the fan continuously repeats the rotating and stopping processes, the fan rotates to prompt the arc welding power supply to be in a normal operation state, whether the output current of the arc welding power supply is zero or not is detected in real time so as to judge whether the arc welding power supply is in a working state or not, and when the arc welding power supply is in the working state, the fan is switched to be in the working state, so that a good cooling effect can be achieved on electronic devices inside the arc welding power supply, and the normal operation of the arc welding power supply is ensured.
In summary, the invention includes at least one of the following beneficial technical effects:
1. when the arc welding power supply is in an idle mode, the fan continuously repeats the rotating and stopping processes, the rotation of the fan can prompt the arc welding power supply to be in a normal running state, wherein the time of the rotating process is shorter than that of the stopping process, and the interference to a quiet working environment is reduced;
2. in the working mode, detecting whether the temperature of the arc welding power supply is higher than a preset stop temperature threshold, entering an idle mode only when the temperature is lower than the preset stop temperature threshold, and otherwise, keeping the fan in the working mode to keep rotating, so that a good cooling effect can be achieved on electronic devices in the arc welding power supply;
3. when an arc welding power supply is started, judging whether to execute fan control or not so as to meet different requirements of different application scenes;
4. and when the input voltage is lower than the preset voltage threshold, indicating that the arc welding power supply is powered off, and controlling the fan to start to shorten the discharge time of an input filter capacitor in the arc welding power supply so as to shut down the arc welding power supply as quickly as possible.
Drawings
Fig. 1 is a flow chart of the idle mode and the operation mode of the present invention.
FIG. 2 is a flow chart illustrating a start-up mode according to an embodiment of the invention.
FIG. 3 is a flow chart of a start-up mode according to another embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
The embodiment of the invention provides a fan control method suitable for an arc welding power supply, which comprises the steps of controlling a fan to stop rotating for a preset rotation stopping time and then rotate for a preset rotation time when the arc welding power supply is in an idle mode, and thus, carrying out reciprocating operation; and detecting whether the output current of the arc welding power supply is zero in real time, if so, keeping an idle mode, and if not, entering a working mode.
Referring to fig. 1, the idle mode specifically includes the following steps:
s11: controlling the fan to stop rotating and setting the preset stalling time;
s12: detecting whether the output current of the arc welding power supply is zero, if so, entering a step S13, and if not, entering a working mode;
s13: judging whether the preset stalling time is reached, if not, keeping the fan to stop rotating and returning to the step S12, and if so, entering the step S14;
s14: controlling the fan to start rotating and setting the preset rotating time;
s15: detecting whether the output current of the arc welding power supply is zero, if so, entering a step S16, and if not, entering a working mode;
s16: and judging whether the preset rotation time is reached, if not, keeping the fan rotating and returning to the step S15, and if so, returning to the step S11.
Preferably, the preset stalling time is longer than the preset rotating time. And setting the preset stalling time to be longer than the preset rotating time, so that the time of the rotating process of the fan is shorter than the time of the stalling process, and the interference to a quiet working environment is reduced.
When the arc welding power supply is in an idle mode, the fan continuously repeats the rotating and stopping processes, the fan can prompt the arc welding power supply to be in a normal operation state through rotation of the fan, and when the arc welding power supply is in site construction, workers do not need to check the change of the indicator lamps on the arc welding power supply panel intentionally. And whether the output current of the arc welding power supply is zero is detected in real time to judge whether the arc welding power supply is in a working state, and when the arc welding power supply is in the working state, the fan is switched to be in the working state, so that a good cooling effect can be achieved on electronic devices inside the arc welding power supply, and the normal operation of the arc welding power supply is ensured.
The working mode is as follows: the fan is controlled to keep rotating, the output current and the temperature of the arc welding power supply are detected in real time, and the fan is switched into an idle mode only when the output current of the arc welding power supply is zero and the temperature is lower than a preset stop temperature threshold value.
With continued reference to fig. 1, the operating mode specifically includes the following steps:
s21: controlling the fan to rotate and keep rotating;
s22: detecting whether the output current of the arc welding power supply is zero, if not, returning to the step S21, and if so, entering the step S23;
s23: and detecting whether the temperature of the arc welding power supply is higher than a preset stalling temperature threshold, if so, returning to the step S21, and if not, setting preset rotation time and then entering an idle mode.
When the arc welding power supply is in a working state, the fan is switched to be in the working state, the output current and the temperature of the arc welding power supply are detected in real time, the fan is switched to be in an idle mode only when the output current of the arc welding power supply is zero and the temperature is lower than a preset stop temperature threshold, otherwise, the fan is in the working mode and keeps rotating, so that a good cooling effect can be achieved on electronic devices inside the arc welding power supply, the arc welding power supply is guaranteed to run normally, noise pollution can be reduced, meanwhile, standby power consumption can be reduced, and energy waste is reduced.
The idle mode and working mode switching process specifically comprises the following steps:
s11: controlling the fan to stop rotating and setting the preset stalling time;
s12: detecting whether the output current of the arc welding power supply is zero, if so, entering step S13, and if not, entering step S21;
s13: judging whether the preset stalling time is reached, if not, keeping the fan to stop rotating and returning to the step S12, and if so, entering the step S14;
s14: controlling the fan to start rotating and setting the preset rotating time;
s15: detecting whether the output current of the arc welding power supply is zero, if so, entering step S16, and if not, entering step S21;
s16: judging whether the preset rotation time is reached, if not, keeping the fan rotating and returning to the step S15, and if so, returning to the step S11;
s21: controlling the fan to rotate and keep rotating;
s22: detecting whether the output current of the arc welding power supply is zero, if not, returning to the step S21, and if so, entering the step S23;
s23: and detecting whether the temperature of the arc welding power supply is higher than a preset stalling temperature threshold, if so, returning to the step S21, and if not, setting preset rotation time and then entering the step S15.
In the embodiment of the invention, the starting mode is further included before the arc welding power supply is in the idle mode, and referring to fig. 2, the starting mode comprises the following steps:
s01: the arc welding power supply is powered on and initialized;
s02: controlling the fan to start and setting a first rotation time;
s03: keeping the fan rotating and detecting whether the temperature of the arc welding power supply is higher than a preset stalling temperature threshold, if so, entering a step S04, and if not, entering a step S05;
s04: controlling the fan to keep rotating and setting a second rotating time, and returning to the step S03;
s05: and judging whether the first rotation time or the second rotation time is reached, if not, returning to the step S03, and if so, entering an idle mode.
And after the arc welding power supply is powered on, controlling the fan to rotate for a first rotation time and then stop rotating, and in the process, if the temperature of the arc welding power supply is detected to be higher than a preset stop temperature threshold value, controlling the fan to keep rotating for a second rotation time and detecting the temperature of the arc welding power supply in real time until the temperature of the arc welding power supply is lower than the preset stop temperature threshold value, and then controlling the fan to stop rotating.
With continued reference to fig. 2, when the arc welding power supply is in an idle mode, further comprising: detecting whether the input voltage of the arc welding power supply is lower than a preset voltage threshold value or not in real time, controlling the fan to start when the input voltage is lower than the preset voltage threshold value, and keeping an idle mode if the input voltage is higher than the preset voltage threshold value. And when the input voltage is lower than the preset voltage threshold, indicating that the arc welding power supply is powered off, and controlling the fan to start to shorten the discharge time of the input filter capacitor so as to shut down the arc welding power supply as soon as possible.
Referring to fig. 3, in the embodiment of the present invention, the start mode includes the following steps:
s01: the arc welding power supply is powered on and initialized;
s02: controlling the fan to start and setting a first rotation time;
s021: judging whether a fan control mode is adopted, if so, entering step S03, and if not, controlling the fan to always rotate until an arc welding power supply is powered off;
s03: keeping the fan rotating and detecting whether the temperature of the arc welding power supply is higher than a preset stalling temperature threshold, if so, entering a step S04, and if not, entering a step S05;
s04: controlling the fan to keep rotating and setting a second rotating time, and returning to the step S03;
s05: and judging whether the first rotation time or the second rotation time is reached, if not, returning to the step S03, and if so, entering an idle mode.
When the arc welding power supply is started, whether a fan control mode is adopted or not is judged, and in some occasions where ventilation and heat dissipation of the arc welding power supply must be kept, the fan control mode can be selected not to be adopted, and the fan is controlled to always keep rotating until the arc welding power supply is powered off, so that different requirements of different application scenes are met.
With continued reference to fig. 3, when the arc welding power supply is in an idle mode, further comprising: detecting whether the input voltage of the arc welding power supply is lower than a preset voltage threshold value or not in real time, controlling the fan to start when the input voltage is lower than the preset voltage threshold value, and keeping an idle mode if the input voltage is higher than the preset voltage threshold value. When the input voltage is lower than the preset voltage threshold, the arc welding power supply is powered off, and at the moment, the fan is controlled to start to shorten the discharging time of the input filter capacitor, so that the arc welding power supply is shut down as fast as possible, and the shut-down time can be shortened from more than 15 seconds to 2-3 seconds.
The invention also discloses a computer readable storage medium which stores a computer program capable of being loaded by a processor and executing the fan control method suitable for the arc welding power supply.
The computer-readable storage medium includes, for example: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The invention also discloses an arc welding power supply, which comprises a memory and a processor, wherein the memory is stored with a computer program which can be loaded by the processor and executes the fan control method suitable for the arc welding power supply.
In the digital arc welding power supply, a processor outputs a control signal to drive a triode to be switched on or off so as to control the starting or stopping of a fan, and a program is adopted to control the fan.
The processor discloses: the processor may include a central processing unit such as a CPU or MPU, or a host system configured with the CPU or MPU as a core, including hardware or software. After the arc welding power supply is provided with the processor, people can freely control the arc welding power supply by utilizing programming so as to enable the arc welding power supply to operate according to the will of people. The processor can receive temperature information sent by the temperature sensor and voltage information sent by the voltage detection unit through the internal protocol, and control the fan to rotate or stop rotating through the internal protocol. Internal protocol generally refers to any protocol that enables communication or linking with each other within the same arc welding power source or within the same system, including: a software/hardware (interface) protocol, a chip Bus (C-Bus) protocol, an internal Bus (I-Bus) protocol, etc. With the development of integrated circuit technology, some external Bus (E-Bus) protocols also belong to internal protocols after the external Bus (E-Bus) is integrated into a chip.
Claims (10)
1. A fan control method suitable for an arc welding power supply is characterized in that when the arc welding power supply is in an idle mode, a fan is controlled to stop rotating for a preset rotation time and then rotate for a preset rotation time, and the fan is controlled to operate in a reciprocating mode; and detecting whether the output current of the arc welding power supply is zero in real time, if so, keeping an idle mode, and if not, entering a working mode.
2. The fan control method for arc welding power supplies according to claim 1, wherein the idle mode comprises the following steps:
s11: controlling the fan to stop rotating and setting the preset stalling time;
s12: detecting whether the output current of the arc welding power supply is zero, if so, entering a step S13, and if not, entering a working mode;
s13: judging whether the preset stalling time is reached, if not, keeping the fan to stop rotating and returning to the step S12, and if so, entering the step S14;
s14: controlling the fan to start rotating and setting the preset rotating time;
s15: detecting whether the output current of the arc welding power supply is zero, if so, entering a step S16, and if not, entering a working mode;
s16: and judging whether the preset rotation time is reached, if not, keeping the fan rotating and returning to the step S15, and if so, returning to the step S11.
3. The fan control method for arc welding power supplies according to claim 2, wherein the preset off time is greater than the preset turning time.
4. The fan control method for arc welding power supply according to claim 1, wherein the operation mode is: the fan is controlled to keep rotating, the output current and the temperature of the arc welding power supply are detected in real time, and the fan is switched into an idle mode only when the output current of the arc welding power supply is zero and the temperature is lower than a preset stop temperature threshold value.
5. The fan control method for arc welding power supplies according to claim 4, wherein the operation mode specifically includes the steps of:
s21: controlling the fan to rotate and keep rotating;
s22: detecting whether the output current of the arc welding power supply is zero, if not, returning to the step S21, and if so, entering the step S23;
s23: and detecting whether the temperature of the arc welding power supply is higher than a preset stalling temperature threshold, if so, returning to the step S21, and if not, setting preset rotation time and then entering an idle mode.
6. The fan control method for arc welding power supplies according to claim 1, further comprising a start mode before the arc welding power supply is in an idle mode, the start mode comprising the steps of:
s01: the arc welding power supply is powered on and initialized;
s02: controlling the fan to start and setting a first rotation time;
s03: keeping the fan rotating and detecting whether the temperature of the arc welding power supply is higher than a preset stalling temperature threshold, if so, entering a step S04, and if not, entering a step S05;
s04: controlling the fan to keep rotating and setting a second rotating time, and returning to the step S03;
s05: and judging whether the first rotation time or the second rotation time is reached, if not, returning to the step S03, and if so, entering an idle mode.
7. The fan control method for arc welding power supplies according to claim 6, further comprising, after the step S02: and judging whether a fan control mode is adopted, if so, entering the step S03, and if not, controlling the fan to always rotate.
8. The fan control method for arc welding power supplies according to claim 1, further comprising when the arc welding power supply is in an idle mode: and detecting the input voltage of the arc welding power supply in real time, and controlling the fan to start when the input voltage is lower than a preset voltage threshold.
9. A computer-readable storage medium, characterized by storing a computer program that can be loaded by a processor and executes a fan control method applicable to an arc welding power supply according to any one of claims 1 to 8.
10. An arc welding power supply comprising a memory and a processor, the memory having stored thereon a computer program that can be loaded by the processor and that executes a fan control method according to any one of claims 1 to 8 for use with an arc welding power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664601.8A CN111894884B (en) | 2020-07-10 | 2020-07-10 | Fan control method suitable for arc welding power supply, storage medium and arc welding power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664601.8A CN111894884B (en) | 2020-07-10 | 2020-07-10 | Fan control method suitable for arc welding power supply, storage medium and arc welding power supply |
Publications (2)
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