CN211827548U - Intelligent Internet of things socket wireless transmission module - Google Patents
Intelligent Internet of things socket wireless transmission module Download PDFInfo
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- CN211827548U CN211827548U CN202020548317.XU CN202020548317U CN211827548U CN 211827548 U CN211827548 U CN 211827548U CN 202020548317 U CN202020548317 U CN 202020548317U CN 211827548 U CN211827548 U CN 211827548U
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Abstract
The invention relates to an intelligent Internet of things socket wireless transmission module which comprises a wireless transmission chip W5500 and an RS-232 interface, wherein a serial port conversion circuit and a network voltage conversion circuit are arranged between the wireless transmission chip W5500 and the RS-232 interface, the serial port conversion circuit comprises a serial port chip, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor, the serial port chip adopts SP3232, one end of the first capacitor is connected with a C1+ port of the serial port chip, the other end of the first capacitor is connected with a C1-port of the serial port chip, one end of the second capacitor is connected with a C2+ port of the serial port chip, and the other end of the second capacitor is connected with a C2-port of the serial port chip. The invention has the effects of completing level conversion for RS-232 and providing power conversion meeting requirements for the RS-232, and the network voltage conversion circuit can reduce the limitation of signal transmission distance.
Description
Technical Field
The utility model belongs to the technical field of smart jack's technique and specifically relates to a wireless transmission module of intelligence thing networking socket is related to.
Background
With more and more outdoor power consumption products, people have more and more requirements on charging at any time, but at present, outdoor charging facilities are in short supply, a rechargeable place cannot be found when a mobile phone and an electric vehicle are not powered on, and even if charging equipment is arranged, the voltage and the current of the charging equipment are unstable. In addition, electric automobile fills electric pile device and is few, and the charging station accelerates the charging speed in order to reduce the charging time, leads to charging current too big, and is very huge to the battery harm, often takes place to surpass to fill the accident of starting a fire.
To this year, the quantity of electric bicycles in China is 3 hundred million. For fire protection, charging in buildings has been prohibited by national policy, but there is no device that can guarantee safe charging outdoors.
Various use data are generated in the use process of the socket, and the generated data are quite dispersed and have no logic. If a system-complete data processing platform is not established, the data has no meaning. Even if the data processing platform of the system is used, the efficient processing of the data and the analysis and feedback of the data are not involved, so that the value of the data is wasted and lost.
The intelligent socket mostly adopts W5500 as a wireless transmission chip, after various data are collected, the data can be uploaded to a cloud end through the wireless transmission chip so as to monitor the data in a background, the data are mainly transmitted through RS-232 at present, and as the RS-232 level standard, the logic level 1 is represented by-3 to-15V and the logic level 0 is represented by +3 to +15V, the RS232 conversion chip not only needs to complete level conversion, but also needs to provide power conversion meeting requirements, but if the W5500 is directly connected with the RS-232, normal data transmission cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an intelligence thing networking socket wireless transmission module convenient to data transmission.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an intelligence thing networking socket wireless transmission module, includes wireless transmission chip W5500 and RS-232 interface, be equipped with serial ports converting circuit and network voltage converting circuit between wireless transmission chip W5500 and the RS-232 interface.
By adopting the technical scheme, the serial port conversion circuit completes level conversion for RS-232 and provides power conversion meeting requirements for the RS-232, and the network voltage conversion circuit can reduce the limitation of signal transmission distance.
The present invention in a preferred example may be further configured to: the serial port conversion circuit comprises a serial port chip, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor, wherein the serial port chip adopts SP3232, one end of the first capacitor is connected with a C1+ port of the serial port chip, the other end of the first capacitor is connected with a C1-port of the serial port chip, one end of the second capacitor is connected with a C2+ port of the serial port chip, the other end of the second capacitor is connected with a C2-port of the serial port chip, one end of the third capacitor is connected with a V + port of the serial port chip, the other end of the third capacitor is connected with the V-port of the serial port chip,
the T1IN port of the serial chip is connected with the TXP port of the W5500, the R1OUT port of the serial chip is connected with the TXN port of the W5500,
the T2IN port of the serial port chip is connected with the RXP port of the W5500, the R2OUT port of the serial port chip is connected with the RXN port of the W5500,
and the T2OUT port of the serial port chip is connected with the RS-232 interface, and the R1IN port of the serial port chip is connected with the RS-232 interface.
The present invention in a preferred example may be further configured to: the network voltage conversion circuit comprises a network isolation transformer RJ45, wherein a TD + port of the network isolation transformer RJ45 is connected to a TXP port of a wireless transmission chip W5500, a TD-port of the network isolation transformer RJ45 is connected to a TX port of the wireless transmission chip W5500, two resistors are connected between the TD-port and the TD + port of the network isolation transformer RJ45 in series, a voltage source is connected between the two resistors, and a TREF port of the network isolation transformer RJ45 is connected with the voltage source.
In summary, the invention includes at least one of the following beneficial technical effects: the serial port conversion circuit completes level conversion for RS-232 and provides power conversion meeting requirements for the RS-232, and the network voltage conversion circuit can reduce the limitation of signal transmission distance.
Drawings
Fig. 1 is a circuit schematic of a wireless transmission module according to one embodiment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the intelligent internet of things socket wireless transmission module disclosed by the invention comprises a wireless transmission chip W5500 and an RS-232 interface, and a serial port conversion circuit and a network voltage conversion circuit are arranged between the wireless transmission chip W5500 and the RS-232 interface.
The serial port conversion circuit comprises a serial port chip, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor, wherein the serial port chip adopts SP3232, one end of the first capacitor is connected with a C1+ port of the serial port chip, the other end of the first capacitor is connected with a C1-port of the serial port chip, one end of the second capacitor is connected with a C2+ port of the serial port chip, the other end of the second capacitor is connected with a C2-port of the serial port chip, one end of the third capacitor is connected with a V + port of the serial port chip, and the other end of the third capacitor is connected with a V-port of. The T1IN port of the serial chip is connected with the TXP port of the W5500, the R1OUT port of the serial chip is connected with the TXN port of the W5500, the T2IN port of the serial chip is connected with the RXP port of the W5500, the R2OUT port of the serial chip is connected with the RXN port of the W5500, the T2OUT port of the serial chip is connected with the RS-232 interface, and the R1IN port of the serial chip is connected with the RS-232 interface.
The network voltage conversion circuit comprises a network isolation transformer RJ45, a TD + port of a network isolation transformer RJ45 is connected to a TXP port of a wireless transmission chip W5500, a TD-port of a network isolation transformer RJ45 is connected to a TX port of the wireless transmission chip W5500, two resistors are connected between the TD-port and the TD + port of the network isolation transformer RJ45 in series, a voltage source is connected between the two resistors, a TREF port of the network isolation transformer RJ45 is connected with a voltage source, and the voltage source adopts a +3.3V voltage source.
The implementation principle of the embodiment is as follows: the serial port conversion circuit completes level conversion for RS-232 and provides power conversion meeting requirements for the RS-232, and the network voltage conversion circuit can reduce the limitation of signal transmission distance.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (3)
1. The utility model provides an intelligence thing networking socket wireless transmission module, includes wireless transmission chip W5500 and RS-232 interface, its characterized in that: and a serial port conversion circuit and a network voltage conversion circuit are arranged between the wireless transmission chip W5500 and the RS-232 interface.
2. The intelligent internet of things socket wireless transmission module of claim 1, wherein: the serial port conversion circuit comprises a serial port chip, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor, wherein the serial port chip adopts SP3232, one end of the first capacitor is connected with a C1+ port of the serial port chip, the other end of the first capacitor is connected with a C1-port of the serial port chip, one end of the second capacitor is connected with a C2+ port of the serial port chip, the other end of the second capacitor is connected with a C2-port of the serial port chip, one end of the third capacitor is connected with a V + port of the serial port chip, the other end of the third capacitor is connected with the V-port of the serial port chip,
the T1IN port of the serial chip is connected with the TXP port of the W5500, the R1OUT port of the serial chip is connected with the TXN port of the W5500,
the T2IN port of the serial port chip is connected with the RXP port of the W5500, the R2OUT port of the serial port chip is connected with the RXN port of the W5500,
and the T2OUT port of the serial port chip is connected with the RS-232 interface, and the R1IN port of the serial port chip is connected with the RS-232 interface.
3. The intelligent internet of things socket wireless transmission module of claim 2, wherein: the network voltage conversion circuit comprises a network isolation transformer RJ45, wherein a TD + port of the network isolation transformer RJ45 is connected to a TXP port of a wireless transmission chip W5500, a TD-port of the network isolation transformer RJ45 is connected to a TX port of the wireless transmission chip W5500, two resistors are connected between the TD-port and the TD + port of the network isolation transformer RJ45 in series, a voltage source is connected between the two resistors, and a TREF port of the network isolation transformer RJ45 is connected with the voltage source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020548317.XU CN211827548U (en) | 2020-04-14 | 2020-04-14 | Intelligent Internet of things socket wireless transmission module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020548317.XU CN211827548U (en) | 2020-04-14 | 2020-04-14 | Intelligent Internet of things socket wireless transmission module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211827548U true CN211827548U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020548317.XU Active CN211827548U (en) | 2020-04-14 | 2020-04-14 | Intelligent Internet of things socket wireless transmission module |
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| CN (1) | CN211827548U (en) |
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2020
- 2020-04-14 CN CN202020548317.XU patent/CN211827548U/en active Active
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