CN116798737B - Switching power supply transformer based on household electricity - Google Patents
Switching power supply transformer based on household electricity Download PDFInfo
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- CN116798737B CN116798737B CN202311062413.8A CN202311062413A CN116798737B CN 116798737 B CN116798737 B CN 116798737B CN 202311062413 A CN202311062413 A CN 202311062413A CN 116798737 B CN116798737 B CN 116798737B
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- 230000005611 electricity Effects 0.000 title claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 132
- 238000007405 data analysis Methods 0.000 claims abstract description 61
- 238000012544 monitoring process Methods 0.000 claims abstract description 59
- 230000017525 heat dissipation Effects 0.000 claims abstract description 54
- 230000008859 change Effects 0.000 claims abstract description 20
- 230000000630 rising effect Effects 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 230000009466 transformation Effects 0.000 claims abstract description 14
- 230000005855 radiation Effects 0.000 claims abstract description 11
- 230000007613 environmental effect Effects 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 7
- 230000001174 ascending effect Effects 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 claims 2
- 238000003306 harvesting Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20945—Thermal management, e.g. inverter temperature control
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- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
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- Rectifiers (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the field of transformers, in particular to a switching power supply transformer based on household electricity, which comprises: the transformation module is arranged in the target display screen and used for converting alternating current into direct current; a data acquisition module; the heat dissipation module comprises an air cooling assembly and a liquid cooling assembly; the data analysis module is used for determining the opening state of the heat radiation module according to the ambient temperature; the monitoring and adjusting module is used for determining a power mode of the air cooling assembly according to the change state of the temperature of the acquisition point, and comprises a circulating power mode and a rising power mode, wherein the circulating frequency of the circulating power mode is determined according to the maximum temperature of the acquisition point, and the maximum temperature of the acquisition point is determined according to the temperature difference value between the temperature of the acquisition point and the temperature of a preset acquisition point; the invention improves the heat dissipation efficiency of the switching power supply transformer in the television.
Description
Technical Field
The invention relates to the field of transformers, in particular to a switching power supply transformer based on household electricity.
Background
The switching power supply transformer is a power supply transformer added with a switching tube, has the functions of insulation and power transmission besides the voltage conversion function of a common transformer in a circuit, and is generally used in occasions involving high-frequency circuits such as a switching power supply. The switch power transformer is often used in the household television, but because a large amount of heat energy can be generated in the use process of the switch power transformer and the television, hidden danger exists for the operation of the switch power transformer, so how to effectively dissipate heat of the switch power transformer of the television is a problem to be solved by technicians.
Chinese patent publication No. CN107919207B discloses a high frequency transformer comprising: the transformer main body, the bottom plate and the cooling fan also comprise a sealing cover; the transformer main body is positioned in the sealing cover, the cooling fan is positioned at the top of the transformer main body, the bottom plate is positioned at the bottom of the transformer main body, the sealing cover is rotationally connected with the bottom plate, and the sealing cover is in sealing connection with the bottom plate; the center of the bottom plate is provided with a heat dissipation hole, one side of the bottom plate, which is close to the transformer main body, is provided with a plurality of sliding grooves, and the sliding grooves are circumferentially arranged around the heat dissipation hole; the sealing cover is fixedly connected with an opening and closing mechanism for opening or closing the heat dissipation holes, and the opening and closing mechanism is positioned between the bottom plate and the transformer main body; the opening and closing mechanism comprises an integral multiple of 3 opening and closing plates. In addition, chinese patent publication No. CN206181223U discloses a heat dissipating device for a liquid crystal television, comprising: the heat dissipation device comprises a heat dissipation window, an air filter screen, a heat absorption block, a side-mounted turbofan, a temperature sensor and an infrared receiver, wherein the heat dissipation window is arranged on the periphery of a machine shell, the heat absorption block is fixedly connected with a heat exchanger through a pipeline, the heat absorption block is fixedly connected with a hydraulic pump through a pipeline, the heat exchanger is fixedly connected with a water tank through a pipeline, the output end of the temperature sensor is electrically connected with the input end of a microprocessor, the output end of the infrared receiver is electrically connected with the input end of the microprocessor, the output end of the microprocessor is electrically connected with the input end of a controller, and the output end of the controller is electrically connected with a side-mounted turbofan temperature indicator lamp and the input end of the hydraulic pump. Therefore, it is easy to understand in the art that the cooling can be performed on the switching power supply transformer in the television through liquid cooling and air cooling, however, the cooling effect is different under different environmental temperatures, so that the rising trend and the rising speed of the temperature of the switching power supply transformer are different, but the above technical scheme does not consider the influence of environmental factors and the heat dissipation mode on the heat dissipation effect of the switching power supply transformer, and the heat dissipation efficiency of the switching power supply transformer is poor.
Disclosure of Invention
Therefore, the invention provides a switching power supply transformer based on household electricity, which is used for solving the problem of poor heat dissipation effect of the switching power supply transformer in a television in the prior art.
In order to achieve the above object, the present invention provides a switching power supply transformer based on household electricity, comprising:
the transformation module is arranged in the target display screen and used for converting alternating current into direct current;
the data acquisition module comprises a first acquisition component and a second acquisition component, wherein the first acquisition component is arranged in the target display screen and is positioned at one side of the transformation module far away from the display surface of the target display screen to acquire the temperature of an acquisition point, and the second acquisition component is used for acquiring the ambient temperature of the target display screen;
the heat dissipation module comprises an air cooling assembly and a liquid cooling assembly and is used for dissipating heat and cooling the transformation module and the target display screen;
the data analysis module is connected with the data acquisition module and the heat dissipation module and used for determining the working mode of the heat dissipation module according to the ambient temperature;
if the ambient temperature is in a first preset ambient temperature range, the data analysis module judges that the heat dissipation module adopts a first working mode, wherein the first working mode is that the liquid cooling assembly is started and the air cooling assembly is closed;
if the ambient temperature is in a second preset ambient temperature range, the data analysis module judges that the heat dissipation module adopts a second working mode, the second working mode is that the liquid cooling assembly is started, and whether the air cooling assembly is started or not is determined according to the temperature of the acquisition point;
if the environmental temperature is in a third preset environmental temperature range, the data analysis module judges that the heat dissipation module adopts a third working mode, and the third working mode is that the liquid cooling assembly and the air cooling assembly are both opened;
when the ambient temperature is in a second preset ambient temperature range, determining whether the air cooling assembly is started according to the temperature of the acquisition point detected by the current detection period, and when the heat dissipation module adopts a second working mode and the air cooling assembly is started, calculating a temperature difference reference value of the acquisition point and determining an adjusting mode of the heat dissipation module according to the temperature difference reference value, and when the heat dissipation module adopts a third working mode, increasing the air cooling power of the air cooling assembly according to the number of external loads;
the monitoring and adjusting module is respectively connected with the data acquisition module, the data analysis module and the heat dissipation module and used for determining a power mode of the air cooling assembly according to the change state of the temperature of the acquisition point, wherein the power mode comprises a circulating power mode and a rising power mode, the circulating frequency of the circulating power mode is determined according to the maximum temperature of the acquisition point, and the maximum temperature of the acquisition point is determined according to the temperature difference value between the temperature of the acquisition point and the temperature of a preset acquisition point;
the temperature of the collecting point is the temperature of the detecting position of the heat sensor of the first collecting component.
Further, the data analysis module determines whether the air cooling component is started or not according to the temperature of the acquisition point detected by the current detection period under the first data analysis condition,
if the temperature of the acquisition point is greater than the temperature of the preset acquisition point, the data analysis module judges that the air cooling assembly is started;
the first data analysis condition is that the ambient temperature is in a second preset ambient temperature range.
Further, the data analysis module calculates the temperature difference reference value of the acquisition point under the second data analysis condition and determines the adjustment mode of the heat radiation module according to the temperature difference reference value,
if the temperature difference reference value is in a first preset temperature difference reference value range, the data analysis module judges that the air cooling power of the air cooling assembly is reduced and adjusted;
if the temperature difference reference value is in the second preset temperature difference reference value range, the data analysis module judges that the heat radiation module does not need to be adjusted;
if the temperature difference reference value is in a third preset temperature difference reference value range, the data analysis module judges that the air cooling power of the air cooling assembly is increased and adjusted according to the temperature difference reference value;
the second data analysis condition is that the heat dissipation module adopts a second working mode and the air cooling assembly is started.
Further, the data analysis module reduces and adjusts the air cooling power of the air cooling assembly according to the temperature difference reference value under a third data analysis condition;
the reduction of the air cooling power and the temperature difference reference value are in negative correlation;
the third data analysis condition is that the temperature difference reference value is in a first preset temperature difference reference value range.
Further, the monitoring and adjusting module continuously monitors the temperature of the collecting point under the first monitoring and adjusting condition,
if the temperature of the collection point is in a first change state, the monitoring and adjusting module judges that the air cooling assembly adopts a circulating power mode;
if the temperature of the collecting point is in the second change state, the monitoring and adjusting module judges that the air cooling assembly adopts a power-up mode;
the first monitoring and adjusting condition is that the temperature difference reference value is in a first preset temperature difference reference value range and the reduction adjustment of the air cooling power of the air cooling assembly is completed according to the temperature difference reference value.
Further, the monitoring and adjusting module determines the circulation frequency of the circulation power mode according to the maximum temperature of the acquisition point under the second monitoring and adjusting condition,
the maximum temperature and the circulating frequency are in positive correlation;
the second monitoring and adjusting condition is that the temperature of the collecting point is in a first change state.
Further, the monitoring and adjusting module determines an ascending coefficient according to a temperature difference value between the temperature of the acquisition point and the temperature of the preset acquisition point under a third monitoring and adjusting condition;
the rising coefficient and the temperature difference value are in positive correlation;
the third monitoring and adjusting condition is that the temperature of the collecting point is in a second change state.
Further, the monitoring and adjusting module periodically adjusts the air cooling power of the air cooling assembly according to the temperature of the collecting point under a fourth monitoring and adjusting condition, the adjusted air cooling power is recorded as P, and p=p0×α is set, wherein P0 is the air cooling power before adjustment, α is an ascending coefficient, P0 > 0, and α > 0;
and the fourth monitoring and adjusting condition is that the determination of the rising coefficient of the rising power mode is completed.
Further, the monitoring and adjusting module increases the air cooling power of the air cooling assembly according to the number of external loads under a fifth monitoring and adjusting condition;
the number of the external loads and the air cooling power increment of the air cooling assembly are in positive correlation;
the fifth monitoring and adjusting condition is that the ambient temperature is in a third preset ambient temperature range.
Compared with the prior art, the method has the beneficial effects that in the technical scheme, the opening state of the heat radiation module is determined according to the ambient temperature so as to select the heat radiation components meeting the heat radiation requirement, so that the waste of energy sources caused by the fact that the opening quantity of the components exceeds the heat radiation requirement is avoided, and meanwhile, the monitoring and adjusting module continuously monitors the temperature of the acquisition point under the first monitoring and adjusting condition and determines the power mode of the air cooling component according to the change state of the temperature of the acquisition point, so that the working mode of the air cooling component is more in line with the actual working environment, the waste of energy sources is avoided, and the heat radiation efficiency of the method is further improved.
Further, the data analysis module determines whether the air cooling component is started or not according to the temperature of the acquisition point detected by the current detection period under the first data analysis condition, so that the air cooling component is prevented from being started when the liquid cooling component can meet the heat dissipation requirement, and the waste of energy is avoided.
Further, the data analysis module calculates the temperature difference reference value of the acquisition point under the second data analysis condition and determines the adjustment mode of the heat dissipation module according to the temperature difference reference value, so that the adjustment mode of the heat dissipation module is more in line with the actual working scene, and the heat dissipation efficiency of the heat dissipation module is further improved.
Further, the monitoring and adjusting module determines the circulation frequency of the circulation power mode according to the maximum temperature of the acquisition point under the second monitoring and adjusting condition, and compared with the technical scheme that the air cooling assembly continuously works, the circulation power mode reduces energy loss.
Drawings
Fig. 1 is a schematic diagram of module connection of a switching power supply transformer based on household electricity according to an embodiment of the present invention;
FIG. 2 is a flowchart of a data analysis module determining an on state of a heat dissipation module according to an ambient temperature according to an embodiment of the present invention;
fig. 3 is a flowchart of determining an adjustment mode of the heat dissipation module according to the temperature difference reference value by the data analysis module according to the embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1 to 3, the present invention provides a switching power supply transformer based on household electricity, comprising:
the transformation module is arranged in the target display screen and used for converting alternating current into direct current;
the data acquisition module comprises a first acquisition component and a second acquisition component, wherein the first acquisition component is arranged in the target display screen and is positioned at one side of the transformation module far away from the display surface of the target display screen to acquire the temperature of an acquisition point, and the second acquisition component is used for acquiring the ambient temperature of the target display screen;
the heat dissipation module comprises an air cooling assembly and a liquid cooling assembly and is used for dissipating heat and cooling the transformation module and the target display screen;
the data analysis module is connected with the data acquisition module and the heat dissipation module and used for determining the working mode of the heat dissipation module according to the ambient temperature;
if the ambient temperature is in a first preset ambient temperature range, the data analysis module judges that the heat dissipation module adopts a first working mode, wherein the first working mode is that the liquid cooling assembly is started and the air cooling assembly is closed;
if the ambient temperature is in a second preset ambient temperature range, the data analysis module judges that the heat dissipation module adopts a second working mode, the second working mode is that the liquid cooling assembly is started, and whether the air cooling assembly is started or not is determined according to the temperature of the acquisition point;
if the environmental temperature is in a third preset environmental temperature range, the data analysis module judges that the heat dissipation module adopts a third working mode, and the third working mode is that the liquid cooling assembly and the air cooling assembly are both opened;
when the ambient temperature is in a second preset ambient temperature range, determining whether the air cooling assembly is started according to the temperature of the acquisition point detected by the current detection period, and when the heat dissipation module adopts a second working mode and the air cooling assembly is started, calculating a temperature difference reference value of the acquisition point and determining an adjusting mode of the heat dissipation module according to the temperature difference reference value, and when the heat dissipation module adopts a third working mode, increasing the air cooling power of the air cooling assembly according to the number of external loads;
the monitoring and adjusting module is respectively connected with the data acquisition module, the data analysis module and the heat dissipation module and used for determining a power mode of the air cooling assembly according to the change state of the temperature of the acquisition point, wherein the power mode comprises a circulating power mode and a rising power mode, the circulating frequency of the circulating power mode is determined according to the maximum temperature of the acquisition point, and the maximum temperature of the acquisition point is determined according to the temperature difference value between the temperature of the acquisition point and the temperature of a preset acquisition point;
the temperature of the collecting point is the temperature of the detecting position of the heat sensor of the first collecting component.
Specifically, the data acquisition module includes an external load detection component for detecting the external load quantity of the target display screen, and the method for detecting the external load quantity of the television set by those skilled in the art is known and will not be described in detail herein; the air cooling power is the operation power of the power supply assembly of the air cooling assembly.
Specifically, when the ambient temperature is in a second preset ambient temperature range, the opening and closing states of the air cooling assembly are selected according to the actual working conditions, so that the heat dissipation effect is ensured, and meanwhile, the energy loss is reduced.
Specifically, the value of the preset environmental temperature range can be obtained through experiments, namely, the user can close the air-cooled assembly, place the target display screen in an experimental space with controllable environmental temperature, obtain the temperatures of the transformation modules in different environmental temperatures under the same television running power, record the maximum environmental temperature of the environmental temperature corresponding to the transformation module temperature meeting the user requirement as the maximum allowable environmental temperature, the values in the first preset environmental temperature range are smaller than the recorded maximum allowable environmental temperature, the values in the second preset environmental temperature range are larger than or equal to the maximum allowable environmental temperature and smaller than 1.3 times of the maximum allowable environmental temperature, and the values in the third preset environmental temperature range are larger than or equal to 1.3 times of the maximum allowable environmental temperature.
In particular, the data analysis module determines whether the air cooling component is started or not according to the temperature of the acquisition point detected by the current detection period under the first data analysis condition,
if the temperature of the acquisition point is greater than the temperature of the preset acquisition point, the data analysis module judges that the air cooling assembly is started;
the first data analysis condition is that the ambient temperature is in a second preset ambient temperature range.
Specifically, the preset collection point temperature is a suitable operation temperature of the voltage transformation module, wherein determining the suitable operation temperature according to the rated parameter of the voltage transformation module is known as a person skilled in the art, and is not described herein.
Specifically, the data analysis module calculates a temperature difference reference value of the acquisition point under the second data analysis condition and determines the adjustment mode of the heat radiation module according to the temperature difference reference value,
if the temperature difference reference value is in a first preset temperature difference reference value range, the data analysis module judges that the air cooling power of the air cooling assembly is reduced and adjusted;
if the temperature difference reference value is in the second preset temperature difference reference value range, the data analysis module judges that the heat radiation module does not need to be adjusted;
if the temperature difference reference value is in a third preset temperature difference reference value range, the data analysis module judges that the air cooling power of the air cooling assembly is increased and adjusted according to the temperature difference reference value;
the second data analysis condition is that the heat dissipation module adopts a second working mode and the air cooling assembly is started.
Specifically, the temperature difference reference value is a value obtained by subtracting the temperature of the acquisition point detected by the current detection period from the temperature of the acquisition point detected by the last detection period,
providing a value determining mode of a preset temperature difference reference value range, wherein a user adopts experimental environment temperature of 10 ℃,15 ℃,20 ℃ and 25 ℃ and generates a two-dimensional relation diagram of acquisition point temperature and time, wherein the abscissa is time, the ordinate is acquisition point temperature, the two-dimensional relation diagram of a descending trend section of the acquisition point temperature is counted, the absolute value of the maximum trend temperature and the minimum trend temperature in the descending trend section is extracted and calculated as the preset difference value, the average value of all the preset difference values is calculated and is calculated as the preset temperature difference reference value, the values in the first preset temperature difference reference value range are all larger than the preset temperature difference reference value, the values in the second preset temperature difference reference value range are all smaller than or equal to the preset temperature difference reference value and larger than 0, the values in the third preset temperature difference reference value range are smaller than or equal to 0, when the switching power supply transformer starts to operate in a low-temperature environment, the temperature change of the switching power supply transformer is caused to show a rising trend and then a falling trend due to low temperature of a heat exchange medium in the liquid cooling component, and the temperature of the switching power supply transformer shows a rising trend again along with the increase of the working time, wherein the maximum trend temperature and the minimum trend temperature in the falling trend paragraph are respectively the maximum temperature in the first rising trend of the temperature in a relation image of the acquired point temperature and the time in a two-dimensional relation image and the minimum temperature of the temperature in the relation image of the acquired point temperature and the time.
Specifically, the data analysis module reduces and adjusts the air cooling power of the air cooling assembly according to the temperature difference reference value under a third data analysis condition;
the reduction of the air cooling power and the temperature difference reference value are in negative correlation;
the third data analysis condition is that the temperature difference reference value is in a first preset temperature difference reference value range.
In particular, the monitoring and adjusting module continuously monitors the temperature of the collecting point under the first monitoring and adjusting condition,
if the temperature of the collection point is in a first change state, the monitoring and adjusting module judges that the air cooling assembly adopts a circulating power mode;
if the temperature of the collecting point is in the second change state, the monitoring and adjusting module judges that the air cooling assembly adopts a power-up mode;
the first monitoring and adjusting condition is that the temperature difference reference value is in a first preset temperature difference reference value range and the reduction adjustment of the air cooling power of the air cooling assembly is completed according to the temperature difference reference value.
Specifically, the first change state is to calculate the temperature difference reference value of the collection point and the temperature difference reference value of the collection point is in a second preset temperature difference reference value range, the second change state is to calculate the temperature difference reference value of the collection point and the temperature difference reference value of the collection point is in a third preset temperature difference reference value range, and if the temperature difference reference value of the collection point is continuously in the third preset temperature difference reference value range, the air cooling component is not regulated.
In particular, the monitoring and adjusting module determines the circulation frequency of the circulation power mode according to the maximum temperature of the acquisition point under the second monitoring and adjusting condition,
the maximum temperature and the circulating frequency are in positive correlation;
the second monitoring and adjusting condition is that the temperature of the collecting point is in a first change state.
Specifically, the circulating power mode is that the air cooling assembly is periodically switched to be in an on state and an off state, the circulating frequency is F, f=t1/T2, T1 is the duration of the on state, T2 is the duration of the off state, and the maximum temperature of the collecting point is the maximum temperature of the collecting point temperature in the current detection period.
Specifically, the monitoring and adjusting module determines an ascending coefficient according to a temperature difference value between the temperature of the acquisition point and the temperature of the preset acquisition point under a third monitoring and adjusting condition;
the rising coefficient and the temperature difference value are in positive correlation;
the third monitoring and adjusting condition is that the temperature of the collecting point is in a second change state.
Specifically, the power-up mode is to continuously increase the air cooling power of the air cooling assembly until the maximum allowable air cooling power is reached.
Specifically, the monitoring and adjusting module periodically adjusts the air cooling power of the air cooling assembly according to the temperature of the collecting point under a fourth monitoring and adjusting condition, the adjusted air cooling power is recorded as P, and p=p0×α is set, wherein P0 is the air cooling power before adjustment, α is an ascending coefficient, P0 > 0, and α > 0;
and the fourth monitoring and adjusting condition is that the determination of the rising coefficient of the rising power mode is completed.
Specifically, the monitoring and adjusting module increases the air cooling power of the air cooling assembly according to the number of external loads under a fifth monitoring and adjusting condition;
the number of the external loads and the air cooling power increment of the air cooling assembly are in positive correlation;
the fifth monitoring and adjusting condition is that the ambient temperature is in a third preset ambient temperature range.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A household electricity-based switching power supply transformer, comprising:
the transformation module is arranged in the target display screen and used for converting alternating current into direct current;
the data acquisition module comprises a first acquisition component and a second acquisition component, wherein the first acquisition component is arranged in the target display screen and is positioned at one side of the transformation module far away from the display surface of the target display screen to acquire the temperature of an acquisition point, and the second acquisition component is used for acquiring the ambient temperature of the target display screen;
the heat dissipation module comprises an air cooling assembly and a liquid cooling assembly and is used for dissipating heat and cooling the transformation module and the target display screen;
the data analysis module is connected with the data acquisition module and the heat dissipation module and used for determining the working mode of the heat dissipation module according to the ambient temperature;
if the ambient temperature is in a first preset ambient temperature range, the data analysis module judges that the heat dissipation module adopts a first working mode, wherein the first working mode is that the liquid cooling assembly is started and the air cooling assembly is closed;
if the ambient temperature is in a second preset ambient temperature range, the data analysis module judges that the heat dissipation module adopts a second working mode, the second working mode is that the liquid cooling assembly is started, and whether the air cooling assembly is started or not is determined according to the temperature of the acquisition point;
if the environmental temperature is in a third preset environmental temperature range, the data analysis module judges that the heat dissipation module adopts a third working mode, and the third working mode is that the liquid cooling assembly and the air cooling assembly are both opened;
when the ambient temperature is in a second preset ambient temperature range, determining whether the air cooling assembly is started according to the temperature of the acquisition point detected by the current detection period, and when the heat dissipation module adopts a second working mode and the air cooling assembly is started, calculating a temperature difference reference value of the acquisition point and determining an adjusting mode of the heat dissipation module according to the temperature difference reference value, and when the heat dissipation module adopts a third working mode, increasing the air cooling power of the air cooling assembly according to the number of external loads;
the monitoring and adjusting module is respectively connected with the data acquisition module, the data analysis module and the heat dissipation module and used for determining a power mode of the air cooling assembly according to the change state of the temperature of the acquisition point, wherein the power mode comprises a circulating power mode and a rising power mode, the circulating frequency of the circulating power mode is determined according to the maximum temperature of the acquisition point, and the maximum temperature of the acquisition point is determined according to the temperature difference value between the temperature of the acquisition point and the temperature of a preset acquisition point;
the temperature of the collecting point is the temperature of the detecting position of the heat sensor of the first collecting component.
2. The household power-based switching power supply transformer according to claim 1, wherein the data analysis module determines whether the air-cooling component is turned on according to the temperature of the collection point detected by the current detection period under the first data analysis condition,
if the temperature of the acquisition point is greater than the temperature of the preset acquisition point, the data analysis module judges that the air cooling assembly is started;
the first data analysis condition is that the ambient temperature is in a second preset ambient temperature range.
3. The household power-based switching power supply transformer according to claim 2, wherein the data analysis module calculates a temperature difference reference value of the collection point under the second data analysis condition and determines an adjustment mode of the heat dissipation module according to the temperature difference reference value,
if the temperature difference reference value is in a first preset temperature difference reference value range, the data analysis module judges that the air cooling power of the air cooling assembly is reduced and adjusted;
if the temperature difference reference value is in the second preset temperature difference reference value range, the data analysis module judges that the heat radiation module does not need to be adjusted;
if the temperature difference reference value is in a third preset temperature difference reference value range, the data analysis module judges that the air cooling power of the air cooling assembly is increased and adjusted according to the temperature difference reference value;
the second data analysis condition is that the heat dissipation module adopts a second working mode and the air cooling assembly is started.
4. A domestic power-based switching power supply transformer according to claim 3, wherein the data analysis module performs a reduction adjustment of the air cooling power of the air cooling assembly according to the temperature difference reference value under a third data analysis condition;
the reduction of the air cooling power and the temperature difference reference value are in negative correlation;
the third data analysis condition is that the temperature difference reference value is in a first preset temperature difference reference value range.
5. The household-based switching power supply transformer of claim 4, wherein the monitoring and conditioning module continuously monitors the harvest point temperature under a first monitoring and conditioning condition,
if the temperature of the collection point is in a first change state, the monitoring and adjusting module judges that the air cooling assembly adopts a circulating power mode;
if the temperature of the collecting point is in the second change state, the monitoring and adjusting module judges that the air cooling assembly adopts a power-up mode;
the first monitoring and adjusting condition is that the temperature difference reference value is in a first preset temperature difference reference value range and the reduction adjustment of the air cooling power of the air cooling assembly is completed according to the temperature difference reference value.
6. The household-based switching power supply transformer of claim 5, wherein the monitoring adjustment module determines the cycle frequency of the cycle power mode based on the maximum temperature of the collection point temperature under the second monitoring adjustment condition,
the maximum temperature and the circulating frequency are in positive correlation;
the second monitoring and adjusting condition is that the temperature of the collecting point is in a first change state.
7. The household power-based switching power supply transformer according to claim 6, wherein the monitoring and adjusting module determines the rising coefficient according to a temperature difference between the temperature of the collection point and a preset collection point under a third monitoring and adjusting condition;
the rising coefficient and the temperature difference value are in positive correlation;
the third monitoring and adjusting condition is that the temperature of the collecting point is in a second change state.
8. The household power-based switching power supply transformer according to claim 7, wherein the monitoring and adjusting module periodically adjusts the air cooling power of the air cooling assembly according to the temperature of the collection point under a fourth monitoring and adjusting condition, the adjusted air cooling power is denoted as P, p=p0×α, wherein P0 is the air cooling power before adjustment, α is an ascending coefficient, P0 > 0, and α > 0;
and the fourth monitoring and adjusting condition is that the determination of the rising coefficient of the rising power mode is completed.
9. The household electricity-based switching power supply transformer according to claim 8, wherein the monitoring and adjusting module increases the air cooling power of the air cooling assembly according to the number of external loads under a fifth monitoring and adjusting condition;
the number of the external loads and the air cooling power increment of the air cooling assembly are in positive correlation;
the fifth monitoring and adjusting condition is that the ambient temperature is in a third preset ambient temperature range.
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Citations (5)
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|---|---|---|---|---|
| CN103808361A (en) * | 2013-10-13 | 2014-05-21 | 国家电网公司 | Multiple-monitoring-sensor-fusion-based transformer air cooling control system |
| CN107959085A (en) * | 2017-11-13 | 2018-04-24 | 河南森源电气股份有限公司 | A kind of temperature control method and system of battery energy storage equipment |
| CN208722697U (en) * | 2018-07-30 | 2019-04-09 | 深圳市亚盛泰电器有限公司 | A kind of high-tension transformer of multiple heat dissipation |
| CN111722657A (en) * | 2019-03-18 | 2020-09-29 | 宁波奥克斯高科技有限公司 | Transformer temperature control method and transformer |
| CN116110687A (en) * | 2022-12-08 | 2023-05-12 | 广东明阳电气股份有限公司 | Vegetable oil transformer control device and control method |
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- 2023-08-23 CN CN202311062413.8A patent/CN116798737B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808361A (en) * | 2013-10-13 | 2014-05-21 | 国家电网公司 | Multiple-monitoring-sensor-fusion-based transformer air cooling control system |
| CN107959085A (en) * | 2017-11-13 | 2018-04-24 | 河南森源电气股份有限公司 | A kind of temperature control method and system of battery energy storage equipment |
| CN208722697U (en) * | 2018-07-30 | 2019-04-09 | 深圳市亚盛泰电器有限公司 | A kind of high-tension transformer of multiple heat dissipation |
| CN111722657A (en) * | 2019-03-18 | 2020-09-29 | 宁波奥克斯高科技有限公司 | Transformer temperature control method and transformer |
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