CN111142591A - Temperature sudden change detection method and device and storage medium - Google Patents

Temperature sudden change detection method and device and storage medium Download PDF

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Publication number
CN111142591A
CN111142591A CN201911348011.8A CN201911348011A CN111142591A CN 111142591 A CN111142591 A CN 111142591A CN 201911348011 A CN201911348011 A CN 201911348011A CN 111142591 A CN111142591 A CN 111142591A
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China
Prior art keywords
temperature
real
detection value
time
value
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Pending
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CN201911348011.8A
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Chinese (zh)
Inventor
俞浩
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Dreame Technology Shanghai Co Ltd
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Dreame Technology Shanghai Co Ltd
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Application filed by Dreame Technology Shanghai Co Ltd filed Critical Dreame Technology Shanghai Co Ltd
Priority to CN201911348011.8A priority Critical patent/CN111142591A/en
Publication of CN111142591A publication Critical patent/CN111142591A/en
Priority to PCT/CN2020/136302 priority patent/WO2021129448A1/en
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/20Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00Hair drying devices; Accessories therefor
    • A45D20/04Hot-air producers
    • A45D20/08Hot-air producers heated electrically
    • A45D20/10Hand-held drying devices, e.g. air douches
    • A45D20/12Details thereof or accessories therefor, e.g. nozzles, stands
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00Thermometers specially adapted for specific purposes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K2219/00Thermometers with dedicated analog to digital converters

Abstract

The application relates to a temperature mutation detection method, a device and a storage medium, wherein the method comprises the following steps: acquiring a real-time temperature detection value; and comparing the real-time temperature detection value with a preset threshold value, and performing temperature regulation action or triggering protection action according to the comparison result. Through obtaining the real-time detection value of temperature, then compare the real-time detection value of temperature with predetermineeing the threshold value, carry out temperature regulation action or trigger protection action according to the comparison result to still improve user's use experience when guaranteeing user safety in utilization, convenient and fast.

Description

Temperature sudden change detection method and device and storage medium
Technical Field
The invention relates to a temperature jump detection method, a temperature jump detection device and a storage medium, and belongs to the field of temperature control.
Background
At present, the over-temperature protection of the hair dryer in the market directly sets a protection upper limit value, once the protection upper limit value is exceeded, the hair dryer directly enters a protection state, and when some accidental factors cause large floating of ADC sampling data in a short time, a machine can trigger a protection program by mistake, so that the user experience is influenced.
Disclosure of Invention
The invention aims to provide a temperature jump detection method, a temperature jump detection device and a storage medium, which perform corresponding processing actions according to a comparison result of an obtained real-time temperature detection value and a preset threshold value, so that the experience effect of a user is improved.
In order to achieve the purpose, the invention provides the following technical scheme:
in a first aspect, a method for detecting a temperature mutation is provided, the method comprising the steps of:
acquiring a real-time temperature detection value;
and comparing the real-time temperature detection value with a preset threshold value, and performing temperature regulation action or triggering protection action according to the comparison result.
Optionally, the comparing the real-time temperature detection value with a preset threshold, and performing a temperature adjustment action or a trigger protection action according to the comparison result includes:
when the real-time temperature detection value is within the preset threshold value, performing temperature regulation action;
and after the temperature adjusting action is finished, triggering a protection action if the real-time temperature monitoring value is still within the preset threshold value.
Optionally, the temperature adjustment action comprises:
acquiring the adjustment time length;
and adjusting the temperature of the heating device based on the adjusting time.
Optionally, the step of when the real-time temperature detection value is within the preset threshold includes:
the preset threshold comprises an over-temperature threshold and a protection threshold, and the over-temperature threshold is smaller than the protection threshold;
when the real-time temperature detection value is larger than the over-temperature threshold value and smaller than the protection threshold value, the real-time temperature detection value is within the preset threshold value.
Optionally, the comparing the real-time temperature detection value with a preset threshold, and performing a temperature adjustment action or a trigger protection action according to the comparison result includes:
and when the real-time temperature detection value is larger than the preset threshold value, triggering protection action.
Optionally, the preset threshold is a protection threshold.
Optionally, the method further comprises:
and processing the acquired real-time temperature detection value, wherein the processing comprises mean filtering algorithm processing and sliding mean algorithm processing.
In a second aspect, there is provided a temperature jump detection apparatus, the apparatus comprising:
the acquisition module is used for acquiring a real-time temperature detection value;
and the processing module is used for comparing the real-time temperature detection value with a preset threshold value and carrying out temperature regulation action or triggering protection action according to the comparison result.
In a third aspect, an apparatus for detecting sudden temperature change is provided, the apparatus comprising a processor and a memory; the memory has stored therein a program that is loaded and executed by the processor to implement the abrupt temperature change detection method as described above.
In a fourth aspect, a computer-readable storage medium is provided, in which a program is stored, which program, when being executed by a processor, is adapted to carry out the method of detecting a sudden temperature change as set forth above.
The invention has the beneficial effects that: the temperature real-time detection value is obtained and then compared with a preset threshold value, and temperature adjustment action or trigger protection action is carried out according to the comparison result, so that the use experience of a user is improved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a flowchart of a method for detecting a temperature mutation according to an embodiment of the present invention.
FIG. 2 is a flow chart of a method for detecting a temperature jump in an embodiment of the present invention.
Fig. 3 is a device for detecting a temperature jump according to an embodiment of the present invention.
Fig. 4 is a device for detecting a temperature jump according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
First, several terms referred to in the application are explained.
The moving average means that the average value of a plurality of continuous m-term sequences is calculated from a time sequence with n terms.
The mean filtering algorithm is to give a template to a target pixel on an image, where the template includes neighboring pixels around the target pixel (8 surrounding pixels centered on the target pixel constitute a filtering template, i.e. the target pixel itself is removed), and then replace the original pixel value with the average value of all pixels in the template.
Fig. 1 is a flowchart of a temperature jump detection method according to an embodiment of the present invention, which is suitable for a heat generating device, such as a blower, an electric heater, and the like, and is not particularly limited herein, and is rated according to actual conditions. In this embodiment, the method for detecting a temperature jump is applied to a hair dryer, and detects the temperature jump of a heating gear of the hair dryer, and the method at least comprises the following steps:
step 101, acquiring a real-time temperature detection value.
The real-time temperature detection value is obtained by sampling through an analog-to-digital converter (ADC).
And 102, comparing the real-time temperature detection value with a preset threshold value, and performing a temperature regulation action or a trigger protection action according to a comparison result. The trigger protection action is used as the complete machine to close and alarm.
The comparing the real-time temperature detection value with a preset threshold value, and performing a temperature adjusting action or a triggering protection action according to the comparison result includes:
and when the real-time temperature detection value is within the preset threshold value, performing temperature regulation action. The preset threshold comprises an over-temperature threshold and a protection threshold, the over-temperature threshold is smaller than the protection threshold, and when the real-time temperature detection value is larger than the over-temperature threshold and smaller than the protection threshold, the real-time temperature detection value is within the preset threshold.
Optionally, the temperature adjustment action comprises: acquiring the adjustment time length; and adjusting the temperature of the heating device based on the adjusting time.
And after the temperature adjusting action is finished, triggering a protection action if the real-time temperature monitoring value is still within the preset threshold value.
Or, the comparing the real-time temperature detection value with a preset threshold value, and performing a temperature adjustment action or a trigger protection action according to the comparison result includes:
and when the real-time temperature detection value is larger than the preset threshold value, triggering protection action. Wherein the preset threshold is a protection threshold.
Optionally, the method further comprises:
and processing the acquired real-time temperature detection value, wherein the processing comprises mean value filtering algorithm processing and sliding mean value algorithm processing so as to filter the interference of a circuit and the interference of the outside on a heating device, thereby obtaining an accurate real-time temperature detection value.
The temperature of each gear of the blower is detected in real time according to the method, which is not described herein. The over-temperature threshold and the protection threshold are set according to actual conditions, and are not specifically limited herein.
Fig. 2 shows a specific embodiment of the temperature mutation detection method of the present invention, in which the adjustment time is 3 s. The analog-to-digital converter samples the temperature of the heating device to obtain a real-time temperature detection value, and performs mean value filtering processing and sliding average value processing on the real-time temperature detection value to obtain a more accurate real-time temperature detection value. And comparing the real-time temperature detection value with a preset over-temperature threshold value and a protection threshold value, and when the real-time temperature detection value is greater than the over-temperature threshold value and smaller than the protection threshold value, adjusting the temperature of the heating device. And 3s later, sampling the temperature of the heating device subjected to temperature adjustment again to obtain a new temperature real-time detection value, processing the new temperature real-time detection value, comparing the new temperature real-time detection value with an over-temperature threshold value and a protection threshold value, triggering a protection action if the new temperature real-time detection value is still larger than the over-temperature threshold value and smaller than the protection threshold value, and turning off and alarming the whole machine. If the real-time temperature detection value is directly larger than the protection threshold value, the protection action is directly triggered, and the whole machine is closed and gives an alarm. By setting two threshold values, only when the real-time temperature detection value exceeds the protection threshold value or exceeds the over-temperature threshold value within a certain time, the protection action can be triggered, the use feeling of the user is improved while the use safety of the user is ensured, and the method has the advantages of multiple purposes, convenience and rapidness.
Fig. 3 is a temperature jump detecting apparatus according to an embodiment of the present invention, the apparatus at least includes:
an obtaining module 301, configured to obtain a real-time temperature detection value;
the processing module 302 is configured to compare the real-time temperature detection value with a preset threshold, and perform a temperature adjustment action or a trigger protection action according to a comparison result.
For relevant details reference is made to the above-described method embodiments.
It should be noted that: in the temperature jump detection device provided in the above embodiment, when performing temperature jump detection, only the division of the above functional modules is taken as an example, and in practical application, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the temperature jump detection device is divided into different functional modules to complete all or part of the above described functions. In addition, the temperature mutation detection device and the temperature mutation detection method provided by 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. 4 is a temperature jump detection apparatus provided in an embodiment of the present invention, where the apparatus includes at least a processor 1 and a memory 2.
The processor 1 may comprise one or more processing cores, such as: 4 core processor 1, 8 core processor 1, etc. The processor 1 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 1 may also include a main processor and a coprocessor, 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.
The memory 2 may include one or more computer-readable storage media, which may be non-transitory. The memory 2 may also include a high speed random access memory 2, and a non-volatile memory 2, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in the memory 2 is used to store at least one instruction for execution by the processor 1 to implement the method of detecting a temperature discontinuity provided by the method embodiments of the present invention.
In some embodiments, the temperature jump detecting device may further include: a peripheral interface and at least one peripheral. The processor 1, the memory 2 and the peripheral interface may be connected by a bus 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: radio frequency circuit, touch display screen, audio circuit, power supply, etc.
Of course, the abrupt temperature change detection device may further include fewer or more components, which is not limited in this embodiment.
Optionally, the present application provides a computer-readable storage medium having a program stored therein, which when executed by a processor is configured to implement the temperature discontinuity detection method as described above.
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 temperature jump detection 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 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 method for detecting a temperature mutation, comprising the steps of:
acquiring a real-time temperature detection value;
and comparing the real-time temperature detection value with a preset threshold value, and performing temperature regulation action or triggering protection action according to the comparison result.
2. The method according to claim 1, wherein the comparing the real-time temperature detection value with a preset threshold value and performing a temperature adjustment operation or a trigger protection operation according to the comparison result comprises:
when the real-time temperature detection value is within the preset threshold value, performing temperature regulation action;
and after the temperature adjusting action is finished, triggering a protection action if the real-time temperature monitoring value is still within the preset threshold value.
3. The method of detecting a temperature discontinuity according to claim 2, wherein said temperature adjustment action comprises:
acquiring the adjustment time length;
and adjusting the temperature of the heating device based on the adjusting time.
4. The method as claimed in claim 2, wherein the step of detecting the temperature jump when the real-time temperature detection value is within the preset threshold value comprises:
the preset threshold comprises an over-temperature threshold and a protection threshold, and the over-temperature threshold is smaller than the protection threshold;
when the real-time temperature detection value is larger than the over-temperature threshold value and smaller than the protection threshold value, the real-time temperature detection value is within the preset threshold value.
5. The method according to claim 1, wherein the comparing the real-time temperature detection value with a preset threshold value and performing a temperature adjustment operation or a trigger protection operation according to the comparison result comprises:
and when the real-time temperature detection value is larger than the preset threshold value, triggering protection action.
6. The method according to claim 5, wherein the predetermined threshold is a protection threshold.
7. The method of detecting a temperature mutation of claim 1, further comprising:
and processing the acquired real-time temperature detection value, wherein the processing comprises mean filtering algorithm processing and sliding mean algorithm processing.
8. A temperature jump detection apparatus, the apparatus comprising:
the acquisition module is used for acquiring a real-time temperature detection value;
and the processing module is used for comparing the real-time temperature detection value with a preset threshold value and carrying out temperature regulation action or triggering protection action according to the comparison result.
9. A temperature discontinuity detection apparatus, comprising a processor and a memory; the memory stores therein a program that is loaded and executed by the processor to implement the abrupt temperature change detection method according to any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that the storage medium has stored therein a program which, when being executed by a processor, is adapted to carry out the method for detecting a sudden temperature change according to any one of claims 1 to 7.
CN201911348011.8A 2019-12-24 2019-12-24 Temperature sudden change detection method and device and storage medium Pending CN111142591A (en)

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PCT/CN2020/136302 WO2021129448A1 (en) 2019-12-24 2020-12-15 Sudden temperature change detection method and device, and storage medium

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CN113093832A (en) * 2021-03-31 2021-07-09 追觅科技(上海)有限公司 Air supply device, air temperature control method thereof, electronic device and computer readable medium
WO2022166452A1 (en) * 2021-02-08 2022-08-11 追觅科技(上海)有限公司 Air supply device and air temperature control method therefor, and electronic device and computer-readable medium
CN117311415A (en) * 2023-11-28 2023-12-29 南通进宝机械制造有限公司 Temperature monitoring system for steel part machining

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Application publication date: 20200512