CN114371642A - Equipment control method, device and storage medium - Google Patents
Equipment control method, device and storage medium Download PDFInfo
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The application relates to a device control method, a device and a storage medium, belonging to the technical field of electronics, wherein the method comprises the following steps: receiving a starting signal of target equipment; acquiring compensation time length, wherein the compensation time length is used for offsetting the time delay of the voltage zero crossing detection component for detecting the voltage zero crossing point; controlling a designated device in the target equipment to be turned on or off after the compensation duration when a zero crossing point signal is received, wherein the zero crossing point signal is a signal sent when the voltage zero crossing point detection component detects a voltage zero crossing point; the problems that when the heating device is controlled to be started at a position far away from the voltage zero crossing point, the heating device is easily damaged, and the service life of target equipment is shortened can be solved; because the actual voltage zero crossing point can be determined, the appointed device is controlled to be turned on or turned off at the actual voltage zero crossing point, so that the appointed device can not be damaged by the impact current; meanwhile, the precision of the control of the appointed device can be improved, and the interference of the opening and closing of the appointed device on other equipment can be reduced.
Description
Technical Field
The application relates to a device control method, a device and a storage medium, and belongs to the technical field of electronics.
Background
Electronic devices such as household appliances are typically powered using mains voltage. The mains voltage is typically an alternating current. Taking the alternating current as the sine wave as an example, if the sine wave is used to control the heating component (such as a heating wire) in the hair dryer to work, the heating component is controlled to be turned on at a position far away from the zero point of the sine wave, so that an impact current is generated on the heating component, and the heating device is damaged once the impact current is too large.
Disclosure of Invention
The application provides a device control method, a device and a storage medium, which can solve the problems that when a specified device is controlled to be started at a position far away from a voltage zero crossing point, a heating device is easy to damage, and the service life of target equipment is shortened. The application provides the following technical scheme:
in a first aspect, a device control method is provided, the method including:
receiving a starting signal of target equipment, wherein the starting signal is used for triggering the target equipment to start working;
acquiring compensation time length, wherein the compensation time length is used for offsetting the time delay of the voltage zero crossing detection component for detecting the voltage zero crossing point;
and controlling a designated device in the target equipment to be turned on or off after the compensation duration when a zero-crossing point signal is received, wherein the zero-crossing point signal is a signal sent when the voltage zero-crossing point detection component detects a voltage zero-crossing point.
Optionally, the obtaining the compensation duration includes:
and when the voltage zero-crossing detection component detects a voltage zero-crossing point, acquiring the time length between the moment corresponding to the rising edge of the zero-crossing point signal and the actual voltage zero-crossing point, and acquiring the compensation time length.
Optionally, the obtaining the compensation duration includes:
acquiring the working period of a power supply of the target equipment, wherein the power supply is alternating current;
when the voltage zero crossing point detection component detects a voltage zero crossing point, acquiring the time length between the falling edge of the zero crossing point signal and the actual voltage zero crossing point to obtain the delay time length;
determining the compensation duration based on the duty cycle and the delay duration.
Optionally, the determining the compensation duration based on the duty cycle and the delay duration includes:
determining a difference between half of the duty cycle and the delay duration as the compensation duration.
Optionally, the determining the compensation duration based on the duty cycle and the delay duration includes:
and determining the difference between the work period and the delay time length as the compensation time length.
Optionally, the specifying means comprises a heat generating means.
Optionally, the controlling, after the compensation duration, a specified device in the target device to be turned on or off when the zero-crossing point signal is received includes:
triggering a timer to start when the zero crossing point signal is received, wherein the timing duration of the timer is the compensation duration;
and controlling a specified device in the target equipment to be switched on or switched off when the time length of the timer reaches the time length.
In a second aspect, there is provided an apparatus for controlling a device, the apparatus comprising:
the device comprises a signal receiving module, a signal processing module and a signal processing module, wherein the signal receiving module is used for receiving a starting signal of target equipment, and the starting signal is used for triggering the target equipment to start working;
the time length obtaining module is used for obtaining compensation time length, and the compensation time length is used for offsetting the time delay of the voltage zero crossing point detection component for detecting the voltage zero crossing point;
and the device control module is used for controlling a specified device in the target equipment to be turned on or off after the compensation duration when receiving a zero-crossing point signal, wherein the zero-crossing point signal is a signal sent when the voltage zero-crossing point detection component detects a voltage zero-crossing point.
In a third aspect, an apparatus for controlling a device is provided, the apparatus comprising a processor and a memory; the memory stores therein a program that is loaded and executed by the processor to implement the apparatus control method of the first aspect.
In a fourth aspect, there is provided a computer-readable storage medium having a program stored therein, the program being loaded and executed by the processor to implement the device control method of the first aspect.
The beneficial effect of this application lies in: by receiving a turn-on signal of a target device; acquiring compensation duration; controlling a designated device in the target equipment to be turned on or off after the compensation duration when a zero crossing point signal is received, wherein the zero crossing point signal is a signal sent when the voltage zero crossing point detection component detects a voltage zero crossing point; the problems that when the heating device is controlled to be started at a position far away from the voltage zero crossing point, the heating device is easily damaged, and the service life of target equipment is shortened can be solved; because the voltage zero crossing point detection device detects that the time delay exists, the compensation time length is determined based on the time delay, and the zero crossing point signal and the compensation time length are combined to accurately control the specified device to be turned on or turned off at the actual voltage zero crossing point, so that the specified device can not be damaged by generating impact current; meanwhile, the precision of the designated device can be improved, and the service life of the designated device can be prolonged.
In addition, when the appointed device is controlled to be started at a position far away from the voltage zero crossing point, the current passing through the appointed device can generate sudden change, and the sudden change of the current can influence the power supply voltage, so that interference is generated on other equipment powered by the power supply voltage; according to the method and the device, the appointed device is controlled to be turned on or turned off at the actual zero crossing point, and the problem that the appointed device generates abrupt current to influence the power supply voltage can be avoided, so that the interference (namely conduction interference) of the turning on and off of the appointed device on other equipment is reduced.
The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical solutions of the present application more clear and clear, and to implement the technical solutions according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present application and the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a plant control system according to an embodiment of the present application;
FIG. 2 is a flow chart of a method for controlling a device provided by an embodiment of the present application;
FIG. 3 is a schematic diagram of determining voltage zero crossings provided by one embodiment of the present application;
FIG. 4 is a block diagram of a device control apparatus provided in one embodiment of the present application;
fig. 5 is a block diagram of a device control apparatus according to an embodiment of the present application.
Detailed Description
The following detailed description of embodiments of the present application will be described in conjunction with the accompanying drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
First, a number of terms referred to in this application are introduced:
negative Temperature Coefficient (NTC) Temperature sensors generally refer to semiconductor materials or components with large Negative Temperature coefficients. The operation principle is as follows: the resistance value decreases rapidly with increasing temperature.
The external interrupt is an internal mechanism for the single chip microcomputer to process external events in real time. When some external event occurs, the interrupt system of the single chip computer forces the CPU to suspend the program being executed, and then the interrupt event is processed; and returning to the interrupted program after the interrupt processing is finished, and continuing to execute.
Fig. 1 is a schematic structural diagram of an apparatus control system according to an embodiment of the present application, and as shown in fig. 1, the system at least includes: processing component 110, voltage zero crossing detection component 120, and specifying device 130.
Alternatively, the device control system may be applied to the hair dryer, and of course, may also be applied to other devices having the processing component 110, the voltage zero-crossing detecting component 120 and the specifying device 130, and the application scenario of the device control system is not limited in this embodiment.
Both the voltage zero crossing detection component 120 and the designation device 130 are communicatively coupled to the processing component 110.
The voltage zero crossing detection component 120 is configured to detect a voltage zero crossing of a power supply that supplies power to the target device. Voltage zero crossing detection component 120 may be implemented as hardware separate from processing component 110; alternatively, software integrated in the processing component 110 or other hardware device; or a combination of software and hardware, the implementation manner of the voltage zero crossing point detection component 120 is not limited in this embodiment.
In an example, the voltage zero-crossing detection component 120 may be an optical coupling detection device, a transformer detection device, or the like, and the implementation manner of the voltage zero-crossing detection component 120 is not limited in this embodiment.
Alternatively, the designation device 130 refers to a device that is installed in the target apparatus and directly operates using alternating current. Such as: the designated device 130 is a heat generating device, such as a heat wire, in the target apparatus.
The processing component 110 is configured to receive a start signal of a target device, where the start signal is used to trigger the target device to start working; acquiring compensation duration; and when a zero crossing point signal is received, controlling a designated device in the target equipment to be turned on or off after the compensation time length, wherein the zero crossing point signal is a signal sent when the voltage zero crossing point detection component detects a voltage zero crossing point.
The compensation duration is used for offsetting the time delay of the voltage zero crossing point detection component for detecting the voltage zero crossing point.
In this embodiment, the processing component 110 controls the designated device to be turned on or off at the zero-crossing point of the voltage of the power supply, so as to avoid the problem that the designated device is damaged due to the inrush current. In addition, since the voltage zero-crossing point detection device 120 detects that there is a delay, the compensation duration is determined based on the delay, and the specified device is controlled to be started or closed more accurately by combining the voltage zero-crossing point position and the compensation duration, so that the precision of controlling the specified device can be improved, and the service life of the specified device can be prolonged.
Optionally, the device control system may also include other components, such as: a power supply, an NTC temperature sensor, a control circuit, etc., which are not listed in this embodiment.
Fig. 2 is a flowchart of an apparatus control method according to an embodiment of the present application, where the method is applied to the apparatus control system shown in fig. 1, and a main execution body of each step is illustrated as an example of the processing component 110 in the system. The method at least comprises the following steps:
The target equipment is provided with a switch control, and the processing assembly receives a starting signal of the target equipment when receiving control operation acting on the switch control.
In this embodiment, the compensation duration is determined based on the delay duration of the voltage zero crossing point detection component for detecting the voltage zero crossing point, so as to counteract the influence of the delay duration, and ensure that the processing component controls the specified device to start at the actual voltage zero crossing point.
Such as: taking the waveform of the power supply as a sine wave as an example, it is assumed that the processing component controls the designated device to start at the voltage zero crossing point of the sine wave. The voltage zero-crossing detection component triggers external interruption after detecting a voltage zero-crossing, and an interruption signal (zero-crossing signal) is a pulse waveform. Referring to fig. 3, if the processing component determines the time 31 corresponding to the falling edge of the zero-crossing signal as the voltage zero-crossing point, the processing component controls the specified device to be turned on or off with a delay, and the delay time is the time from the actual voltage zero-crossing point 32 to the time 31 corresponding to the falling edge. In this embodiment, the effect of the delay duration can be eliminated by compensating the duration, so that the processing element turns on or off the designated device at the actual zero crossing point 32.
In one example, obtaining a compensation duration includes: when the voltage zero crossing detection component detects a voltage zero crossing point, acquiring the time length between the time corresponding to the rising edge of the zero crossing point signal and the actual voltage zero crossing point, and obtaining the compensation time length.
Referring to fig. 3, since the time corresponding to the rising edge 33 of the zero-crossing signal is before the actual voltage zero-crossing point, by controlling the designated device to be turned on or off after the compensation duration after the time corresponding to the rising edge 33 of the zero-crossing signal, it is possible to control the designated device to be turned on or off at the actual voltage zero-crossing point, and improve the control accuracy of the designated device.
Optionally, the compensation time lengths corresponding to the voltage zero-crossing detection components of the same type are the same. The target equipment is pre-stored with compensation duration corresponding to each type of voltage zero crossing point detection component; and the processing component determines the corresponding compensation duration according to the type of the current voltage zero crossing point detection component.
In another example, obtaining the compensation duration includes obtaining a duty cycle of a power supply of the target device, the power supply being alternating current; when the voltage zero crossing point detection component detects a voltage zero crossing point, acquiring the time length between the falling edge of a zero crossing point signal and the actual voltage zero crossing point to obtain the delay time length; a compensation duration is determined based on the duty cycle and the delay duration.
Optionally, the corresponding delay time lengths of the voltage zero-crossing detection components of the same type are the same. The target equipment is pre-stored with the corresponding delay time length of each type of voltage zero crossing point detection component; and the processing component determines the corresponding delay time according to the type of the current voltage zero crossing point detection component.
Wherein, the power supply is alternating current.
Optionally, the processing component determines the compensation duration based on a difference between half of the duty cycle and the delay duration as the compensation duration when the duty cycle and the delay duration determine the compensation duration. Such as: in fig. 3, the voltage zero crossing detection component triggers an external interrupt of the processing component when detecting a voltage zero crossing (the processing component receives a zero crossing signal), and when the time length after the falling edge of the zero crossing signal reaches the difference between half of the duty cycle and the delay time length (position 34), the processing component turns on or off the specified device. At this time, the compensation duration of the processing component after the falling edge is the actual voltage zero crossing point 34, and the influence of the delay duration can be eliminated.
Alternatively, the processing component determines the difference between the duty cycle and the delay time period as the compensation time period. Such as: in fig. 3, the voltage zero crossing detection component triggers an external interrupt of the processing component when the voltage zero crossing is detected (the processing component receives the zero crossing signal), and when the time length after the falling edge of the zero crossing signal reaches the difference between the duty cycle and the delay time length (position 35), the processing component turns on or off the specified device. At this time, the compensation duration of the processing component after the falling edge is the actual voltage zero crossing point 35, so that the influence of the delay duration can be eliminated.
In yet another example, the processing component may read the compensated duration from the storage medium. That is, the compensation period is prestored in the target device.
Alternatively, step 202 may be performed after step 201; alternatively, it may be performed before step 201; alternatively, the steps 201 and the processing may be executed simultaneously, and the execution sequence between the steps 201 and 202 is not limited in this embodiment
And step 203, controlling a designated device in the target equipment to be switched on or off after the compensation time length when the zero-crossing point signal is received.
The zero-crossing signal is a signal sent when the voltage zero-crossing detection component detects a voltage zero-crossing.
Triggering a timer to start when a zero crossing point signal is received, wherein the timing duration of the timer is a compensation duration; and controlling a designated device in the target equipment to be switched on or off when the time length of the timer reaches the timing time length.
Optionally, the designated device is a heating device, and the target device stores a control manner in which the processing component controls the heating device to be turned on and off, such as: in the sine wave shown in fig. 3, half-waves numbered 1, 2 and 3 control the heater to be turned on; half-wave control heaters with numbers 4 and 5 are turned off (other control modes can be used in practical implementation, and the embodiment does not limit the control modes); and the processing component controls the heating device to be switched on or switched off after the compensation time length is reached according to the control mode.
In summary, the device control method provided in this embodiment receives the start signal of the target device; acquiring compensation duration; controlling a designated device in the target equipment to be turned on or off after the compensation duration when a zero crossing point signal is received, wherein the zero crossing point signal is a signal sent when the voltage zero crossing point detection component detects a voltage zero crossing point; the problems that when the heating device is controlled to be started at a position far away from the voltage zero crossing point, the heating device is easily damaged, and the service life of target equipment is shortened can be solved; because the voltage zero crossing point detection device detects that the time delay exists, the compensation time length is determined based on the time delay, and the zero crossing point signal and the compensation time length are combined to accurately control the specified device to be turned on or turned off at the actual voltage zero crossing point, so that the specified device can not be damaged by generating impact current; meanwhile, the precision of the designated device can be improved, and the service life of the designated device can be prolonged.
In addition, when the appointed device is controlled to be started at a position far away from the voltage zero crossing point, the current passing through the appointed device can generate sudden change, and the sudden change of the current can influence the power supply voltage, so that interference is generated on other equipment powered by the power supply voltage; according to the method and the device, the appointed device is controlled to be turned on or turned off at the actual zero crossing point, and the problem that the appointed device generates abrupt current to influence the power supply voltage can be avoided, so that the interference (namely conduction interference) of the turning on and off of the appointed device on other equipment is reduced.
Fig. 4 is a block diagram of an apparatus control device according to an embodiment of the present application, and this embodiment takes the example of the apparatus being applied to the processing component 110 in the apparatus control system shown in fig. 1 as an example. The device at least comprises the following modules: a signal receiving module 410, a duration obtaining module 420 and a device control module 430.
A signal receiving module 410, configured to receive a start signal of a target device, where the start signal is used to trigger the target device to start working;
a duration obtaining module 420, configured to obtain a compensation duration, where the compensation duration is used to offset a delay of a voltage zero crossing point detection component detecting a voltage zero crossing point;
a device control module 430, configured to control a specified device in the target device to turn on or turn off after the compensation duration when a zero-crossing point signal is received, where the zero-crossing point signal is a signal sent when the voltage zero-crossing point detection component detects a voltage zero-crossing point.
For relevant details reference is made to the above-described method embodiments.
It should be noted that: in the device control apparatus provided in the above embodiment, when performing device control, only the division of the above functional modules is illustrated, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device control apparatus is divided into different functional modules to complete all or part of the above described functions. In addition, the device control apparatus and the device control method provided in the above embodiments belong to the same concept, and specific implementation processes thereof are described in the method embodiments and are not described herein again.
Fig. 5 is a block diagram of a device control apparatus according to an embodiment of the present application. The apparatus comprises at least a processor 501 and a memory 502.
Processor 501 may include one or more processing cores such as: 4 core processors, 8 core processors, etc. The processor 501 may be implemented in at least one hardware form of a DSP (Digital Signal Processing), an FPGA (Field-Programmable Gate Array), and a PLA (Programmable Logic Array). The processor 501 may also include a main processor and a coprocessor, where the main processor is a processor for Processing data in an awake state, and is also called a Central Processing Unit (CPU); a coprocessor is a low power processor for processing data in a standby state.
Memory 502 may include one or more computer-readable storage media, which may be non-transitory. Memory 502 may also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in memory 502 is used to store at least one instruction for execution by processor 501 to implement the device control method provided by method embodiments herein.
In some embodiments, the device control apparatus may further include: a peripheral interface and at least one peripheral. The processor 501, memory 502 and peripheral interfaces may be connected by buses or signal lines. Each peripheral may be connected to the peripheral interface via a bus, signal line, or circuit board. Illustratively, peripheral devices include, but are not limited to: audio circuitry and power supplies, etc.
Of course, the device control apparatus may also include fewer or more components, which is not limited in this embodiment.
Optionally, the present application further provides a computer-readable storage medium, in which a program is stored, and the program is loaded and executed by a processor to implement the device control method of the above-mentioned method embodiment.
Optionally, the present application further provides a computer product, which includes a computer-readable storage medium, in which a program is stored, and the program is loaded and executed by a processor to implement the device control method of the above-mentioned method embodiment.
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 application, 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 concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. An apparatus control method, characterized in that the method comprises:
receiving a starting signal of target equipment, wherein the starting signal is used for triggering the target equipment to start working;
when the voltage zero crossing point detection assembly detects a voltage zero crossing point, calculating to obtain a delay time length according to the time length between the falling edge of the zero point signal and the actual voltage zero crossing point; representing the time delay of the voltage zero-crossing detection component for detecting the voltage zero-crossing;
determining a compensation time length according to the delay time length, wherein the compensation time length is used for offsetting the delay of the voltage zero crossing point detection component for detecting the voltage zero crossing point;
and controlling a designated device in the target equipment to be turned on or off after the compensation duration when a zero-crossing point signal is received, wherein the zero-crossing point signal is a signal sent when the voltage zero-crossing point detection component detects a voltage zero-crossing point.
2. The method of claim 1, wherein determining a compensation duration based on the delay duration comprises:
acquiring the working period of a power supply of the target equipment, wherein the power supply is alternating current;
determining the compensation duration based on the duty cycle and the delay duration.
3. The method of claim 3, wherein determining the compensation duration based on the duty cycle and the delay duration comprises:
determining a difference between half of the duty cycle and the delay duration as the compensation duration.
4. The method of claim 2, wherein determining the compensation duration based on the duty cycle and the delay duration comprises:
and determining the difference between the work period and the delay time length as the compensation time length.
5. The method according to any one of claims 1 to 4, wherein the specified device comprises a heat generating device.
6. The method according to any one of claims 1 to 4, wherein the controlling of a specified device in the target device to turn on or off after the compensation duration upon receiving a zero-crossing signal comprises:
triggering a timer to start when the zero crossing point signal is received, wherein the timing duration of the timer is the compensation duration;
and controlling a specified device in the target equipment to be switched on or switched off when the time length of the timer reaches the time length.
7. An apparatus control device, characterized in that the device comprises:
the device comprises a signal receiving module, a signal processing module and a signal processing module, wherein the signal receiving module is used for receiving a starting signal of target equipment, and the starting signal is used for triggering the target equipment to start working;
the time length obtaining module is used for calculating time length between a falling edge of a zero point signal and an actual voltage zero crossing point to obtain time delay time length when the voltage zero crossing point detecting assembly detects the voltage zero crossing point; representing the time delay of the voltage zero-crossing detection component for detecting the voltage zero-crossing; determining a compensation time length according to the delay time length, wherein the compensation time length is used for offsetting the delay of the voltage zero crossing point detection component for detecting the voltage zero crossing point;
and the device control module is used for controlling a specified device in the target equipment to be turned on or off after the compensation duration when receiving a zero-crossing point signal, wherein the zero-crossing point signal is a signal sent when the voltage zero-crossing point detection component detects a voltage zero-crossing point.
8. An apparatus for controlling a device, the apparatus comprising a processor and a memory; the memory stores therein a program that is loaded and executed by the processor to implement the apparatus control method according to any one of claims 1 to 6.
9. A computer-readable storage medium, characterized in that the storage medium stores a program which, when executed by a processor, is used to implement the device control method according to any one of claims 1 to 6.
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| JP4758145B2 (en) * | 2005-06-03 | 2011-08-24 | シチズンホールディングス株式会社 | Contact combustion type gas sensor |
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2019
- 2019-12-24 CN CN202111464692.1A patent/CN114371642A/en not_active Withdrawn
- 2019-12-24 CN CN201911346238.9A patent/CN111148286B/en active Active
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| CN111148286B (en) | 2021-12-17 |
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