CN111049395A - Switching power supply based on edge calculation - Google Patents
Switching power supply based on edge calculation Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/337—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration
- H02M3/3376—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33515—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with digital control
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The invention provides a switching power supply based on edge calculation, which comprises: the driving module is used for supplying power to the terminal equipment; the data acquisition module is used for acquiring the operating state parameters of the terminal equipment; the edge computing module is used for analyzing and processing the operating state parameters acquired by the data acquisition module, controlling the operating state of the terminal equipment based on the operating state parameters, and reporting the processed effective operating state parameters to a cloud processing center of the power supply system; and the communication module is used for the interactive communication between the edge computing module and the cloud processing center of the power supply system. The invention utilizes the technology of the Internet of things embedded communication protocol stack and analyzes and processes the data transmission edge calculation data management center; therefore, sinking of resources and services to the edge position is achieved, interaction time delay can be effectively reduced, network burden is reduced, cloud pressure is reduced, service types are enriched, service processing is optimized, and service quality and user experience are improved.
Description
Technical Field
The invention relates to a switching power supply, in particular to a switching power supply based on edge calculation.
Background
The millions of devices that make up the internet of things have some commonality: they gather information, but they do nothing. The cloud center sends the data to the cloud, the large data center receives the data, combines the data and processes the data in a unified way, not only a large amount of bandwidth is occupied, but also the cloud center needs super-strong mass computing power, and meanwhile, the result is returned after the cloud center computes, so that the time delay is long; if the terminal equipment is endowed with the computing power of the edge, effective analysis and arrangement can be carried out on the data, the effective data are sent to the cloud center, the interaction time delay is effectively reduced, and the network burden is reduced. Therefore, under the large background of digital transformation of the whole industry, under the driving of service cloud requirements such as IoT, 5G, VR and AI and the promotion of technical development, an edge computing (EdgeComputing) concept comes into play, and compared with the massive computing capacity of a cloud end brought by classical cloud computing, the edge computing realizes that resources and services sink to the edge position, so that the interaction delay can be reduced, the network burden is reduced, the cloud pressure is reduced, the service types are enriched, the service processing is optimized, and the service quality and the user experience are improved.
The switch power supply has the advantages of small volume, light weight, high efficiency, high reliability and the like, and meets the requirements of the development of the existing electronic technology, so that the switch power supply is widely applied to various fields. The switching power supply is mainly divided into five circuit structures of a single-end forward type, a flyback type, a push-pull type, a full bridge type and a half bridge type; however, the existing power supply is composed of a single switching power supply topology, is single in application occasion, and cannot meet requirements of various terminal devices.
Disclosure of Invention
The invention provides a switching power supply based on edge calculation, which realizes local large-flow data processing and reduces cloud pressure by combining the edge calculation with a multi-power-supply loop unit, and has the advantages of wide power range, multiple devices, self-switching, large data processing and the like.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
an edge calculation based switching power supply comprising: the driving module is used for supplying power to the terminal equipment; the data acquisition module is used for acquiring the running state parameters of the terminal equipment; the edge computing module is used for analyzing and processing the operating state parameters acquired by the data acquisition module, controlling the operating state of the terminal equipment based on the operating state parameters, and reporting the processed effective operating state parameters to a cloud processing center of the power supply system; and the communication module is used for the interactive communication between the edge computing module and the cloud processing center of the power supply system.
The technical scheme of the further improvement of the technical scheme is as follows:
1. in the above technical solution, the edge calculation module includes an edge calculation data acquisition center and an ECN edge calculation data management center, the ECN edge calculation data management center is connected to the edge calculation data acquisition center, and the ECN edge calculation data management center is connected to the data acquisition module; the edge computing data acquisition center is used for processing a task instruction issued by the ECN edge computing data management center on one hand, and is used for receiving the running state parameters of the terminal equipment and sending the running state parameters to the ECN edge computing data management center on the other hand; the ECN edge calculation data management center is used for carrying out edge calculation processing on the received operation state parameters and controlling the operation state of the terminal equipment through the edge calculation data acquisition center.
2. In the above technical solution, the driving module includes an EMC electromagnetic compatibility unit, a rectification filter unit, a power factor correction unit, and a power supply loop unit; the input of EMC electromagnetic compatibility unit connects national grid output, the input of rectification filtering unit is connected to the output of EMC electromagnetic compatibility unit, the input of power factor correction unit is connected to the output of rectification filtering unit, the output of power factor correction unit is connected the input of power supply loop unit, the output of power supply loop unit is connected terminal equipment supplies power for terminal equipment.
3. In the above technical solution, the power supply circuit unit includes one or more of an LLC half-bridge power supply circuit unit, a dual-transistor forward power supply circuit unit, a push-pull power supply circuit unit, a phase-shift full-bridge power supply circuit unit, or a flyback power supply circuit unit.
4. In the above technical solution, the power supply loop unit includes an LLC half-bridge power supply loop unit, a double-tube forward power supply loop unit, a push-pull power supply loop unit, and a phase-shifting full-bridge power supply loop unit, a multi-way selection switch is further disposed between the power supply loop unit and the power factor correction unit, an output end of the power factor correction unit is connected to an input end of the multi-way selection switch, a first output end of the multi-way selection switch is connected to an input end of the LLC half-bridge power supply loop unit, a second output end of the multi-way selection switch is connected to an input end of the double-tube forward power supply loop unit, a third output end of the multi-way selection switch is connected to an input end of the push-pull power supply loop unit, and a fourth output end of the multi-; any one path of independent conduction or multiple paths of simultaneous conduction of the LLC half-bridge power supply loop unit, the double-tube forward power supply loop unit, the push-pull power supply loop unit or the phase-shifting full-bridge power supply loop unit can be realized through the multi-path selection switch; the output end of the LLC half-bridge power supply loop unit, the output end of the double-tube forward power supply loop unit, the output end of the push-pull power supply loop unit and the output end of the phase-shifting full-bridge power supply loop unit are respectively connected with one or more terminal devices.
5. In the above technical solution, the LLC half-bridge power supply loop unit is composed of an LLC half-bridge power conversion unit and a first rectification filter unit; the double-tube forward power supply loop unit consists of a double-tube forward power conversion unit and a second rectification filtering unit; the push-pull power supply loop unit consists of a push-pull power conversion unit and a third rectification filter unit; the phase-shifting full-bridge power supply loop unit is composed of a phase-shifting full-bridge power conversion unit and a fourth rectification filter unit.
6. In the above technical solution, the driving module further includes an auxiliary power supply loop unit, and an input end of the auxiliary power supply loop unit is connected to an output end of the power factor correction unit; the output end of the auxiliary power supply loop unit is respectively connected with the input end of the LLC half-bridge power supply loop unit, the input end of the double-tube forward power supply loop unit, the input end of the push-pull power supply loop unit, the input end of the phase-shifting full-bridge power supply loop unit, the input end of the multi-way selection switch and the input end of the edge calculation data acquisition center, and supplies a standby power supply for the input end of the push-pull power supply loop unit and a power supply required by a control loop when each part normally works.
7. In the above technical solution, the number of the data acquisition modules corresponds to the number of the terminal devices one to one.
8. In the technical scheme, the system further comprises an environment monitoring module, wherein the environment monitoring module is connected with the ECN edge computing data management center; the environment monitoring module comprises one or more of a handheld terminal client setting unit, a PC terminal client setting unit, an environment parameter detection unit, a video information acquisition unit, a three-dimensional acceleration acquisition unit, a photoelectric parameter acquisition unit or an original data backup memory unit.
9. In the above technical solution, the environment parameter detecting unit includes one or more of a GPS satellite positioning element, a light intensity element, a fog sensing element, a haze sensing element, a wind speed sensing element, a human body sensing element, a traffic flow sensing element, a temperature sensing element, a pressure sensing element, a rainfall sensing element, and a sound sensing element.
10. In the technical scheme, an electric energy parameter acquisition sensing unit is further arranged between the EMC electromagnetic compatibility unit and the rectification filtering unit, and the electric energy parameter acquisition sensing unit is electrically connected with the ECN edge calculation data management center.
11. In the above technical solution, the communication module is a wired communication module and/or a wireless communication module.
Compared with the prior art, the invention has the beneficial effects that:
the invention integrates by using the technology of an internet of things embedded communication protocol stack and analyzes and processes the data transmission edge calculation data management center; therefore, sinking of resources and services to the edge position is achieved, interaction time delay can be effectively reduced, network burden is reduced, cloud pressure is reduced, service types are enriched, service processing is optimized, and service quality and user experience are improved.
The invention utilizes four different power supply loop units formed by four power supplies with different topological structures, can meet different load equipment according to requirements in practical application, and realizes the load equipment with the power range of up to thousands of kilowatts or even dozens of kilowatts; self-switching among different power supply loop units is realized through a multi-path selection switch; and the edge computing module is utilized to realize the local large-flow data processing, reduce the cloud pressure and have the advantages of wide power range, multiple devices, self-switching, large data processing and the like.
The edge computing data acquisition center supports various network interfaces, has good compatibility, timely communication, accurate data acquisition and real-time data reporting, is not easy to be interfered, and can supervise the running condition of equipment in real time.
The invention can realize the opening and closing of the remote control equipment.
The invention can realize fault location by analyzing data and is convenient to maintain. The method can also achieve fault pre-judgment and localization, does not need to report to a cloud server, reduces information delay and reduces faults.
Drawings
Fig. 1 is a schematic diagram of a topology of a switching power supply in an embodiment of the present invention.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
example 1
Referring to fig. 1, the switching power supply based on edge calculation includes: the driving module is used for supplying power to the terminal equipment; the data acquisition module is used for acquiring the running state parameters of the terminal equipment; the edge computing module is used for analyzing and processing the operating state parameters acquired by the data acquisition module, controlling the operating state of the terminal equipment based on the operating state parameters, and reporting the processed effective operating state parameters to a cloud processing center of the power supply system; and the communication module is used for the interactive communication between the edge computing module and the cloud processing center of the power supply system.
Specifically, the ECN edge calculation data management center is connected to the edge calculation data acquisition center, and the ECN edge calculation data management center is connected to the data acquisition module; the edge computing data acquisition center is used for processing a task instruction issued by the ECN edge computing data management center on one hand, and is used for receiving the running state parameters of the terminal equipment and sending the running state parameters to the ECN edge computing data management center on the other hand; the ECN edge calculation data management center is used for carrying out edge calculation processing on the received operation state parameters and controlling the operation state of the terminal equipment through the edge calculation data acquisition center.
Specifically, the driving module comprises an EMC electromagnetic compatibility unit, a rectifying and filtering unit, a power factor correction unit and a power supply loop unit; the input of EMC electromagnetic compatibility unit connects national grid output, the input of rectification filtering unit is connected to the output of EMC electromagnetic compatibility unit, the input of power factor correction unit is connected to the output of rectification filtering unit, the output of power factor correction unit is connected the input of power supply loop unit, the output of power supply loop unit is connected terminal equipment supplies power for terminal equipment.
Specifically, the power supply circuit unit includes one or more of an LLC half-bridge power supply circuit unit, a dual-transistor forward power supply circuit unit, a push-pull power supply circuit unit, a phase-shift full-bridge power supply circuit unit, or a flyback power supply circuit unit. Preferably, the power supply circuit units in this embodiment include four types, including an LLC half-bridge type power supply circuit unit, a two-transistor forward power supply circuit unit, a push-pull power supply circuit unit, and a phase-shift full-bridge type power supply circuit unit, where preferably, the LLC half-bridge type power supply circuit unit is composed of an LLC half-bridge type power conversion unit and a first rectification filter unit; the double-tube forward power supply loop unit consists of a double-tube forward power conversion unit and a second rectification filtering unit; the push-pull power supply loop unit consists of a push-pull power conversion unit and a third rectification filter unit; the phase-shifting full-bridge power supply loop unit consists of a phase-shifting full-bridge power conversion unit and a fourth rectification filter unit; a multi-way selection switch is further arranged between the power supply loop unit and the power factor correction unit, the output end of the power factor correction unit is connected with the input end of the multi-way selection switch, the first output end of the multi-way selection switch in this embodiment is connected with the input end of the LLC half-bridge power supply loop unit, the second output end of the multi-way selection switch is connected with the input end of the double-tube forward power supply loop unit, the third output end of the multi-way selection switch is connected with the input end of the push-pull power supply loop unit, and the fourth output end of the multi-way selection switch is connected with the input end of the phase-shifting full; the multi-path selection switch is also connected with an ECN edge calculation data management center through a multi-path optical coupling isolation unit; any one path of independent conduction or multiple paths of simultaneous conduction of the LLC half-bridge power supply loop unit, the double-tube forward power supply loop unit, the push-pull power supply loop unit or the phase-shifting full-bridge power supply loop unit can be realized through the multi-path selection switch; the output end of the LLC half-bridge power supply loop unit, the output end of the double-tube forward power supply loop unit, the output end of the push-pull power supply loop unit and the output end of the phase-shifting full-bridge power supply loop unit are respectively connected with one or more terminal devices; specifically, there are four terminal devices in this embodiment, where an output end of the LLC half-bridge power supply loop unit is connected to the first terminal device, an output end of the dual-transistor forward power supply loop unit is connected to the second terminal device, an output end of the push-pull power supply loop unit is connected to the third terminal device, and an output end of the phase-shift full-bridge power supply loop unit is connected to the fourth terminal device.
Specifically, the number of the data acquisition modules corresponds to the number of the terminal devices one to one; referring to fig. 1, in this embodiment, the data acquisition module includes a first data acquisition module, a second data acquisition module, a third data acquisition module, and a fourth data acquisition module, an input end of the first data acquisition module is connected to the first terminal device, and an output end of the first data acquisition module is connected to the ECN edge calculation data management center; the input end of the second data acquisition module is connected with the second terminal equipment, and the output end of the second data acquisition module is connected with the ECN edge calculation data management center; the input end of the third data acquisition module is connected with a third terminal device, and the output end of the third data acquisition module is connected with an ECN edge calculation data management center; the input end of the fourth data acquisition module is connected with the fourth terminal equipment, and the output end of the fourth data acquisition module is connected with the ECN edge calculation data management center; and the data acquisition module corresponding to each terminal device respectively acquires the running state parameters of the corresponding terminal device and sends the acquired running state parameters of the corresponding device to the ECN edge computing data management center.
Specifically, in this embodiment, the driving module further includes an auxiliary power supply loop unit, and an input end of the auxiliary power supply loop unit is connected to an output end of the power factor correction unit; the output end of the auxiliary power supply loop unit is respectively connected with the input end of an LLC half-bridge power conversion unit in the LLC half-bridge power supply loop unit, the input end of a double-tube forward power conversion unit in the double-tube forward power supply loop unit, the input end of a push-pull power conversion unit in the push-pull power supply loop unit, the input end of a phase-shifting full-bridge power conversion unit in the phase-shifting full-bridge power supply loop unit, the input end of a multi-way selection switch and the input end of an edge calculation data acquisition center, and provides standby power supply for the auxiliary power supply loop unit and power supply required by a control loop when each part.
Specifically, the system further comprises an environment monitoring module, wherein the environment monitoring module is connected with the ECN edge computing data management center; the environment monitoring module comprises one or more of a handheld terminal client setting unit, a PC terminal client setting unit, an environment parameter detection unit, a video information acquisition unit, a three-dimensional acceleration acquisition unit, a photoelectric parameter acquisition unit or an original data backup memory unit.
Specifically, the environment parameter detection unit includes one or more of a GPS satellite positioning element, a light illuminance element, a fog sensing element, a haze sensing element, a wind speed sensing element, a human body sensing element, a traffic flow sensing element, a temperature sensing element, a pressure sensing element, a rainfall sensing element, and a sound sensing element. Wherein the GPS satellite positioning element is configured to output the detected longitude and latitude signals and/or time signals to the ECN edge computing data management center; the illumination element is used for sensing the illumination of the surrounding environment and outputting an illumination signal to the ECN edge calculation data management center; the fog sensing element is set to output the detected humidity signal to the ECN edge calculation data management center; the haze sensing element is set to output the detected haze signal to the ECN edge calculation data management center; the wind speed sensing element is configured to output the detected wind speed signal to the ECN edge calculation data management center; the human body sensing element is set to output the detected pedestrian activity signal to the ECN edge calculation data management center; the traffic flow sensing element is configured to output the detected vehicle activity signal to the ECN edge computing data management center; the temperature sensing element is set to output a temperature detection signal to the ECN edge calculation data management center; the pressure sensing element is set to output the detected atmospheric pressure signal to the ECN edge calculation data management center; the rainfall sensing element is set to output the detected rainfall signal to the ECN edge calculation data management center; the sound sensing element is configured to output the detected sound signal to the ECN edge calculation data management center; in practical application, a plurality of environment sensors of the same type can be installed, one environment sensor can be installed in each environment sensor, and a plurality of environment sensors of various types can be installed as required.
An electric energy parameter acquisition sensing unit is further arranged between the EMC electromagnetic compatibility unit and the rectification filtering unit, and the electric energy parameter acquisition sensing unit is electrically connected with the ECN edge calculation data management center.
Specifically, the communication module is a wired communication module and/or a wireless communication module.
The above examples merely show some exemplary embodiments of the present invention, and in fact, there are other variations and extensions of the present invention, and the following is described for the variations and extensions that may occur in the present invention:
1. the edge computing data acquisition center of the above embodiment supports a multi-form network interface, which is a wired communication module and/or a wireless communication module. The wired communication module CAN be one or more of RS-485, CAN, PLC, RJ45 or optical fibers, and the like, wherein the wireless communication module CAN be one or more of ZigBee, 5G, LoRa, WIFI, Bluetooth, NFC, Sigfox, eMTC, GRPS, LTE, ZETA, UWB, UNB and LoRaWAN, one or more wired frequency band model network interfaces CAN be designed in practical application, one or more wireless frequency band model network interfaces CAN also be designed, and the wireless communication module CAN also be designed to simultaneously comprise one or more wired frequency band model network interfaces and one or more wireless frequency band model network interfaces; the specific selection of the network of which frequency band model may be determined according to the specific public frequency band of the actual application country or region or the receiving strength of the actual environment frequency band, and the network interface models listed here to be explained are only preferred schemes of this embodiment, but the scope of the present invention is not limited thereby.
2. The power supply loop unit comprises one or more of an LLC half-bridge power supply loop unit, a double-tube forward power supply loop unit, a push-pull power supply loop unit, a phase-shifting full-bridge power supply loop unit or a flyback power supply loop unit. Wherein, the characteristics of two-transistor forward formula power supply circuit unit: the structure is simple, the circuit quality is convenient to control, the dynamic performance is better, the self-driven synchronous rectification can be realized, and the self-driven synchronous rectification circuit is widely applied to medium and high power converters; LLC half-bridge type power supply loop unit's characteristics: the power supply has the advantages of high efficiency, small output ripple, small heat, small volume, low EMI (electro-magnetic interference) and large load adjustable range, can adjust the input/output voltage ratio in a wide range, can realize zero-voltage switching-on and low-current switching-off of an MOS (metal oxide semiconductor) switching tube, reduces switching loss and further improves the efficiency; the phase-shifting full-bridge power supply loop unit has the advantages that constant frequency control is easy to realize, high frequency is easy to realize, an auxiliary circuit is not needed, the capacity of a ferromagnetic element is small, the leakage inductance of a transformer and the parasitic capacitance of a switching device can be brought into a resonant circuit, the stress of a resonant soft switching device is small, the switching loss is small, and the like, and the phase-shifting full-bridge power supply loop unit is most widely used in a high-power high-frequency switching power; the push-pull type power supply loop unit high-frequency transformer has the advantages of high magnetic core utilization rate, high power supply voltage utilization rate, high output power, low base electrode of two tubes, simple driving circuit and suitability for occasions with medium power, namely 150W to 500W; the flyback power supply loop unit has the advantages of simple circuit, small size, low error signal for regulating and controlling duty ratio, small gain and dynamic range of the error signal amplifier and the like, and is widely applied to the fields of low power, multi-path output and household appliances. The power supply circuit unit in this embodiment is composed of an LLC half-bridge power supply circuit unit, a dual-transistor forward power supply circuit unit, a push-pull power supply circuit unit, and a phase-shift full-bridge power supply circuit unit, which is only a preferred solution, but the scope covered by the present invention is not limited thereby.
The embodiments of the present invention are merely illustrative, and not restrictive, of the scope of the claims, and other substantially equivalent alternatives may occur to those skilled in the art and are within the scope of the present invention.
Claims (12)
1. Switching power supply based on edge calculation, its characterized in that: the method comprises the following steps:
the driving module is used for supplying power to the terminal equipment;
the data acquisition module is used for acquiring the running state parameters of the terminal equipment;
the edge computing module is used for analyzing and processing the operating state parameters acquired by the data acquisition module, controlling the operating state of the terminal equipment based on the operating state parameters, and reporting the processed effective operating state parameters to a cloud processing center of the power supply system;
and the communication module is used for the interactive communication between the edge computing module and the cloud processing center of the power supply system.
2. The edge-computation-based switching power supply of claim 1, wherein: the edge calculation module comprises an edge calculation data acquisition center and an ECN edge calculation data management center, the ECN edge calculation data management center is connected with the edge calculation data acquisition center, and the ECN edge calculation data management center is connected with the data acquisition module; the edge computing data acquisition center is used for processing a task instruction issued by the ECN edge computing data management center on one hand, and is used for receiving the running state parameters of the terminal equipment acquired by the data acquisition module and sending the running state parameters to the ECN edge computing data management center on the other hand; the ECN edge calculation data management center is used for carrying out edge calculation processing on the received operation state parameters and controlling the operation state of the terminal equipment through the edge calculation data acquisition center.
3. The edge-computation-based switching power supply of claim 1, wherein: the driving module comprises an EMC electromagnetic compatibility unit, a rectifying and filtering unit, a power factor correction unit and a power supply loop unit; the input of EMC electromagnetic compatibility unit connects national grid output, the input of rectification filtering unit is connected to the output of EMC electromagnetic compatibility unit, the input of power factor correction unit is connected to the output of rectification filtering unit, the output of power factor correction unit is connected the input of power supply loop unit, the output of power supply loop unit is connected terminal equipment supplies power for terminal equipment.
4. The edge-computation-based switching power supply of claim 3, wherein: the power supply loop unit comprises one or more of an LLC half-bridge power supply loop unit, a double-tube forward power supply loop unit, a push-pull power supply loop unit, a phase-shifting full-bridge power supply loop unit or a flyback power supply loop unit.
5. The edge-calculation-based switching power supply according to claim 3 or 4, wherein: the power supply loop unit comprises an LLC half-bridge power supply loop unit, a double-tube forward power supply loop unit, a push-pull power supply loop unit and a phase-shifting full-bridge power supply loop unit, a multi-way selection switch is further arranged between the power supply loop unit and the power factor correction unit, the output end of the power factor correction unit is connected with the input end of the multi-way selection switch, the first output end of the multi-way selection switch is connected with the input end of the LLC half-bridge power supply loop unit, the second output end of the multi-way selection switch is connected with the input end of the double-tube forward power supply loop unit, the third output end of the multi-way selection switch is connected with the input end of the push-pull power supply loop unit, and the fourth output end of the multi-way selection; any one path of independent conduction or multiple paths of simultaneous conduction of the LLC half-bridge power supply loop unit, the double-tube forward power supply loop unit, the push-pull power supply loop unit or the phase-shifting full-bridge power supply loop unit can be realized through the multi-path selection switch; the output end of the LLC half-bridge power supply loop unit, the output end of the double-tube forward power supply loop unit, the output end of the push-pull power supply loop unit and the output end of the phase-shifting full-bridge power supply loop unit are respectively connected with one or more terminal devices.
6. The edge-computing-based power supply loop system of claim 5, wherein: the LLC half-bridge power supply loop unit consists of an LLC half-bridge power conversion unit and a first rectification filtering unit; the double-tube forward power supply loop unit consists of a double-tube forward power conversion unit and a second rectification filtering unit; the push-pull power supply loop unit consists of a push-pull power conversion unit and a third rectification filter unit; the phase-shifting full-bridge power supply loop unit is composed of a phase-shifting full-bridge power conversion unit and a fourth rectification filter unit.
7. The edge-computation-based switching power supply of claim 5, wherein: the driving module further comprises an auxiliary power supply loop unit, wherein the input end of the auxiliary power supply loop unit is connected with the output end of the power factor correction unit; the output end of the auxiliary power supply loop unit is respectively connected with the input end of the LLC half-bridge power supply loop unit, the input end of the double-tube forward power supply loop unit, the input end of the push-pull power supply loop unit, the input end of the phase-shifting full-bridge power supply loop unit, the input end of the multi-way selection switch and the input end of the edge calculation data acquisition center, and supplies a standby power supply for the input end of the push-pull power supply loop unit and a power supply required by a control loop when each part normally works.
8. The edge-computation-based switching power supply of claim 1, wherein: the number of the data acquisition modules corresponds to the number of the terminal devices one to one.
9. The edge-computation-based switching power supply of claim 2, wherein: the system also comprises an environment monitoring module, wherein the environment monitoring module is connected with the ECN edge computing data management center; the environment monitoring module comprises one or more of a handheld terminal client setting unit, a PC terminal client setting unit, an environment parameter detection unit, a video information acquisition unit, a three-dimensional acceleration acquisition unit, a photoelectric parameter acquisition unit or an original data backup memory unit.
10. The edge-computation-based switching power supply of claim 9, wherein: the environment parameter detection unit comprises one or more of a GPS satellite positioning element, a light illumination element, a fog sensing element, a haze sensing element, a wind speed sensing element, a human body sensing element, a traffic flow sensing element, a temperature sensing element, a pressure sensing element, a rainfall sensing element and a sound sensing element.
11. The edge-calculation-based switching power supply according to claim 2 or 3, wherein: an electric energy parameter acquisition sensing unit is further arranged between the EMC electromagnetic compatibility unit and the rectification filtering unit, and the electric energy parameter acquisition sensing unit is electrically connected with the ECN edge calculation data management center.
12. The edge-computation-based switching power supply of claim 1, wherein: the communication module is a wired communication module and/or a wireless communication module.
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