CN211655783U - Power supply system for intelligent image identification module of cable channel edge internet of things terminal - Google Patents
Power supply system for intelligent image identification module of cable channel edge internet of things terminal Download PDFInfo
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- CN211655783U CN211655783U CN202020142889.8U CN202020142889U CN211655783U CN 211655783 U CN211655783 U CN 211655783U CN 202020142889 U CN202020142889 U CN 202020142889U CN 211655783 U CN211655783 U CN 211655783U
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Abstract
The utility model provides a power supply system for intelligent image recognition module of cable channel edge internet of things terminal, which comprises a power supply management module, a main control module and a power supply conversion module, wherein a power supply output port of the power supply management module is connected with a power supply input port of the main control module and is used for supplying power to the main control module; the power supply conversion module comprises a filter circuit module and a first power supply conversion circuit module, the filter circuit module is connected with the first power supply conversion circuit module, the filter circuit module is used for filtering a 24V access power supply and then transmitting the filtered 24V access power supply to the first power supply conversion circuit module, the first power supply conversion circuit module is used for converting the filtered 24V power supply into a 5V power supply, and the 5V power supply is connected with each power supply conversion input port of the power supply management module and used as a reference power supply for power supply conversion; the processor power supply system can be applied to power supply of the processor of the Internet of things terminal in various underground environments, greatly improves stability and reliability of power supply, and reduces interference caused by temperature and humidity change.
Description
Technical Field
The utility model relates to a power supply technical field, in particular to a power supply system that is used for cable channel edge thing to ally oneself with terminal intelligent image recognition module.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the rapid increase of the scale of the power grid, the requirement of the power supply reliability of the urban power grid is continuously improved, and the external operation environment is increasingly complex. The cable channel becomes a key link of a smart power grid and an important material basis of a ubiquitous power internet of things, at present, a cable channel intelligent internet of things terminal is mostly adopted to realize comprehensive monitoring of equipment operation data and comprehensive monitoring of equipment state, holographic sensing and intelligent control of a cable channel environment and equipment state are realized through application of edge calculation, AI image recognition technology and internet of things communication technology, and the lean control level of the cable channel is effectively improved.
However, the inventor of the utility model finds that most of the existing internet-of-things terminals are arranged underground, are greatly influenced by the environment temperature and the underground temperature and humidity environment, and are difficult to stably and reliably supply power to the processor therein; moreover, the data processing capability of the existing terminal of the internet of things is greatly enhanced, the dominant frequency is higher, and a power supply system is required to be more stable and reliable, however, the stable power supply of each processing chip of the terminal of the internet of things is difficult to realize by the existing direct power supply mode.
SUMMERY OF THE UTILITY MODEL
In order to solve the not enough of prior art, the utility model provides a power supply system for cable channel edge thing allies oneself with terminal intelligent image recognition module can be applied to the treater power supply at the thing networking terminal among the various underground environment, very big improvement the stability and the reliability of power supply, reduced the interference that temperature and humidity transform brought.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a power supply system for an intelligent image recognition module of a cable channel edge Internet of things terminal comprises a power supply management module, a main control module and a power supply conversion module, wherein a power supply output port of the power supply management module is connected with a power supply input port of the main control module and used for supplying power to the main control module;
the power supply conversion module comprises a filter circuit module and a first power supply conversion circuit module, the filter circuit module is connected with the first power supply conversion circuit module, the filter circuit module is used for filtering a 24V access power supply and then transmitting the filtered 24V power supply to the first power supply conversion circuit module, the first power supply conversion circuit module is used for converting the filtered 24V power supply into a 5V power supply, and the 5V power supply is connected with each power supply conversion input port of the power supply management module and serves as a reference power supply for power supply conversion.
As some possible implementations, the first power conversion circuit module employs a TSP5420D model power converter and an auxiliary filter circuit, and is used to convert the filtered 24V power into a 5V power, which is used as a reference power for power conversion or used to charge an external lithium battery.
As some possible implementation manners, the power management module adopts a TPS65910A3 power management chip.
As some possible implementations, the master control module is an AM335X microprocessor.
As some possible implementation manners, the device further comprises a second power conversion circuit module, an input end of the second power conversion circuit module is connected with the 5V power supply, an output end of the second power conversion circuit module is connected with a power input port of the real-time clock reset circuit and used for supplying power to the real-time clock reset circuit, and the real-time clock reset circuit is connected with a communication port of the main control module.
By way of further limitation, the second power conversion circuit module adopts a power converter of model TPS71718 and an auxiliary filter circuit, and is configured to convert a VBAT power of 5V into a VRTC power required by the rtc reset circuit.
As some possible implementation manners, the external chip further comprises a third power conversion circuit module, wherein an input end of the third power conversion circuit module is connected with the 5V power supply, and an output end of the third power conversion circuit module is connected with a power supply port of the external chip after outputting a 3.3V power supply.
As a further limitation, the third power conversion circuit module adopts a TPS78633 power converter and an auxiliary filter circuit, and is configured to convert a VBAT power of 5V into a 3.3V power supply required by an external chip.
As a further limitation, the VAUX2 output voltage of the power management module is connected with the enabling end of the TPS78633 power converter.
By way of further limitation, the VAUX2 output voltage of the power management module is also used to power the pull-up resistor of the master control module or the power management module.
Compared with the prior art, the beneficial effects of the utility model are that:
1. power supply system can be applied to the treater power supply at the thing networking terminal in various underground environment, very big improvement the stability and the reliability of power supply, reduced the interference that temperature and humidity transform brought.
2. Power supply system through the power converter who utilizes models such as TSP5420D, TPS71718 and TPS78633 and its subsidiary circuit, realized the conversion of 24V power to other power supply, still realized the filtering simultaneously at the in-process of conversion, very big improvement power supply's stability.
3. Power supply system at first adopt corresponding filter circuit module to filter to the 24V power of inserting to just carried out the preliminary treatment on initial power, thereby guaranteed the reliability of subsequent processing's power, further improvement whole power supply system's stability.
4. Power supply system through adopting TPS65910A3 power management chip as power management module to 5V's input has been realized as conversion reference power to power management module self, the required power's of main control unit and other each subsidiary control chip conversion, only needs a chip just can realize power output's accurate management as power management module, has prevented the alternately confusion of bringing of power management, very big improvement output's stability.
Drawings
Fig. 1 is a schematic structural diagram of a power supply system provided in embodiment 1 of the present invention.
Fig. 2(a) is a schematic circuit connection diagram of a left side portion of the main control module AM335X according to embodiment 1 of the present invention.
Fig. 2(b) is a schematic circuit connection diagram of a right portion of the main control module AM335X according to embodiment 1 of the present invention.
Fig. 3 is a schematic circuit connection diagram of a left side portion of the power conversion module TPS65910a3 provided in embodiment 1 of the present invention.
Fig. 4 is a schematic circuit connection diagram of a right portion of the power conversion module TPS65910a3 provided in embodiment 1 of the present invention.
Fig. 5 is a schematic circuit connection diagram of the filter circuit module according to embodiment 1 of the present invention.
Fig. 6 is a schematic circuit connection diagram of a first power conversion module according to embodiment 1 of the present invention.
Fig. 7 is a schematic circuit connection diagram of a second power conversion module according to embodiment 1 of the present invention.
Fig. 8 is a schematic circuit connection diagram of a third power conversion module according to embodiment 1 of the present invention.
Fig. 9 is a schematic connection diagram of a real-time clock reset circuit provided in embodiment 1 of the present invention.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.
Example 1:
as shown in fig. 1-9, embodiment 1 of the present invention provides a power supply system for a cable channel edge internet of things terminal intelligent image recognition module, including a power management module, a main control module and a power conversion module, where a power output port of the power management module is connected with a power input port of the main control module, and is used for supplying power to the main control module;
the power conversion module comprises a filter circuit module and a first power conversion circuit module, the filter circuit module is shown in fig. 5, the filter circuit module is connected with the first power conversion circuit module, and the filter circuit module is used for filtering a 24V access power supply and then transmitting the filtered power supply to the first power conversion circuit module.
As shown in fig. 6, the first power conversion circuit module is configured to convert a filtered 24V power into a 5V power, where the 5V power is connected to each power conversion input port of the power management module and is used as a reference power for power conversion.
Preferably, the first power conversion circuit module adopts a power converter of model TSP5420D and an auxiliary filter circuit, and is configured to convert the filtered 24V power into a 5V power, which is used as a reference power for power conversion or is used to charge an external lithium battery.
The power management module adopts a TPS65910A3 power management chip, the circuit connection of which is shown in fig. 3 and 4, the main control module is an AM335X microprocessor, the circuit connection of which is shown in fig. 2(a) and 2(b), the main control module at least needs power supplies such as VDAC, VAUX2, VDIG2, VDDS _ DDR, VDD1_ SMPS and VDD2_ SMPS, and the power supplies are converted by the TPS65910A3 power management chip according to an input 5V reference power, wherein the TPS65910A3 power management chip adopts an existing mature chip, and a specific conversion circuit is not repeated here.
The power supply system further comprises a second power conversion circuit module, as shown in fig. 7, wherein an input end of the second power conversion circuit module is connected with the 5V power supply, an output end of the second power conversion circuit module is connected with a power input port of the real-time clock reset circuit and used for supplying power to the real-time clock reset circuit, the real-time clock reset circuit is connected with a communication port of the main control module, and the real-time clock reset circuit is as shown in fig. 9.
Preferably, the second power conversion circuit module adopts a TPS71718 power converter and an auxiliary filter circuit, and is configured to convert a VBAT power of 5V into a VRTC power required by the real-time clock reset circuit.
The power supply system further includes a third power conversion circuit module, as shown in fig. 8, an input end of the third power conversion circuit module is connected to the 5V power supply, and an output end of the third power conversion circuit module is connected to a power supply port of the external chip after outputting the 3.3V power supply.
Preferably, the third power conversion circuit module adopts a TPS78633 type power converter and an accessory filter circuit, and is configured to convert a VBAT power of 5V into a 3.3V power supply required by an external chip.
The output voltage of the VAUX2 of the power management module is connected with the enable end of the TPS78633 power converter, and the output voltage of the VAUX2 of the power management module is also used for supplying power to the main control module or the pull-up resistor of the power management module.
The TPS65910A3 power management chip also converts the input 5V reference power into 3.3V VAUX33, which is used as the IO voltage of the TPS65910A3 power management chip and as the USB port voltage of the AM335X microprocessor.
Example 2:
the embodiment 2 of the utility model provides a power supply system for cable channel edge thing allies oneself with terminal intelligence image recognition module, TPS65910A3 power management chip still with AM335X microprocessor communication connection, SCLSR _ EN1, SDASR _ EN2, INT1, SLEEP, PWRON port of TPS65910A3 power management chip respectively with the TP29 of AM335X microprocessor, TP28, TP27, TP31 and TP30 port connection, TP29, TP28, TP27, TP31 and TP30 port are AM335X microprocessor's testpoint, an interior node for hardware debugging.
Other circuit connection structures are the same as those in embodiment 1, and are not described again here.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (10)
1. A power supply system for an intelligent image recognition module of a cable channel edge Internet of things terminal is characterized by comprising a power supply management module, a main control module and a power supply conversion module, wherein a power supply output port of the power supply management module is connected with a power supply input port of the main control module and used for supplying power to the main control module;
the power supply conversion module comprises a filter circuit module and a first power supply conversion circuit module, the filter circuit module is connected with the first power supply conversion circuit module, the filter circuit module is used for filtering a 24V access power supply and then transmitting the filtered 24V power supply to the first power supply conversion circuit module, the first power supply conversion circuit module is used for converting the filtered 24V power supply into a 5V power supply, and the 5V power supply is connected with each power supply conversion input port of the power supply management module and serves as a reference power supply for power supply conversion.
2. The power supply system for the intelligent image recognition module of the cable channel edge internet of things terminal as claimed in claim 1, wherein the first power conversion circuit module adopts a power converter and an auxiliary filter circuit of model TSP5420D, and is used for converting the filtered 24V power into a 5V power, and is used as a reference power for power conversion or for charging an external lithium battery.
3. The power supply system for the intelligent image recognition module of the cable channel edge internet of things terminal as claimed in claim 1, wherein the power management module employs a TPS65910a3 power management chip.
4. The power supply system for the intelligent image recognition module of the cable channel edge internet of things terminal as claimed in claim 1, wherein the main control module is an AM335X microprocessor.
5. The power supply system for the intelligent image recognition module of the cable channel edge internet of things terminal as claimed in claim 1, further comprising a second power conversion circuit module, wherein an input end of the second power conversion circuit module is connected to a 5V power supply, an output end of the second power conversion circuit module is connected to a power input port of the real-time clock reset circuit for supplying power to the real-time clock reset circuit, and the real-time clock reset circuit is connected to the communication port of the main control module.
6. The power supply system of claim 5, wherein the second power conversion circuit module is a TPS71718 power converter and an auxiliary filter circuit, and is configured to convert a 5V VBAT power to a VRTC power required by a real-time clock reset circuit.
7. The power supply system for the intelligent image recognition module of the cable channel edge internet of things terminal as claimed in claim 1, further comprising a third power conversion circuit module, wherein an input end of the third power conversion circuit module is connected with a 5V power supply, and an output end of the third power conversion circuit module is connected with a power supply port of the external chip after outputting a 3.3V power supply.
8. The power supply system for the intelligent image recognition module of the cable channel edge internet of things terminal as claimed in claim 7, wherein the third power conversion circuit module employs a TPS78633 model power converter and an attached filter circuit, and is configured to convert a VBAT power of 5V into a 3.3V power supply required by an external chip.
9. The power supply system for the intelligent image recognition module of the cable channel edge internet of things terminal as claimed in claim 8, wherein the VAUX2 output voltage of the power management module is connected with the enable terminal of the TPS78633 power converter.
10. The power supply system for the intelligent image recognition module of the cable channel edge internet of things terminal of claim 9, wherein the VAUX2 output voltage of the power management module is further used for supplying power to the main control module or the pull-up resistor of the power management module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020142889.8U CN211655783U (en) | 2020-01-21 | 2020-01-21 | Power supply system for intelligent image identification module of cable channel edge internet of things terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020142889.8U CN211655783U (en) | 2020-01-21 | 2020-01-21 | Power supply system for intelligent image identification module of cable channel edge internet of things terminal |
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| Publication Number | Publication Date |
|---|---|
| CN211655783U true CN211655783U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020142889.8U Active CN211655783U (en) | 2020-01-21 | 2020-01-21 | Power supply system for intelligent image identification module of cable channel edge internet of things terminal |
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| Country | Link |
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| CN (1) | CN211655783U (en) |
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- 2020-01-21 CN CN202020142889.8U patent/CN211655783U/en active Active
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