CN111031518A - GPRS communication terminal and system based on Internet of things - Google Patents
GPRS communication terminal and system based on Internet of things Download PDFInfo
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- CN111031518A CN111031518A CN201911083134.3A CN201911083134A CN111031518A CN 111031518 A CN111031518 A CN 111031518A CN 201911083134 A CN201911083134 A CN 201911083134A CN 111031518 A CN111031518 A CN 111031518A
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- 238000004891 communication Methods 0.000 title claims abstract description 80
- 238000002955 isolation Methods 0.000 claims description 25
- 230000006855 networking Effects 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000003993 interaction Effects 0.000 claims description 7
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 9
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/028—Subscriber network interface devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/03—Power distribution arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
Abstract
The invention provides a GPRS communication terminal and a system based on the Internet of things, wherein the GPRS communication terminal comprises a shell, a main board and a GPRS board, and the main board and the GPRS board are arranged in the shell; the first power supply module is integrated on the mainboard, an external power supply adapter is not needed, and the integration level is high, neat, attractive and safe; the structure of the shell is matched with the shell structure of the 1P circuit breaker in the distribution box, so that the installation is simple and convenient; the GPRS communication system comprises a GPRS communication terminal based on the Internet of things, a server, an intelligent equipment terminal, a computer terminal and a plurality of intelligent circuit breakers.
Description
Technical Field
The invention relates to the technical field of communication of the Internet of things, in particular to a GPRS communication terminal and a GPRS communication system based on the Internet of things.
Background
The Internet of things is an important component of a new generation of information technology and is also an important development stage of the 'informatization' era. The terminal of the Internet of things is a device which is connected with a sensing network layer and a transmission network layer in the Internet of things and realizes data acquisition and data transmission to the network layer. Gprs (general Packet Radio service) is an abbreviation of general Packet Radio service technology, which is a mobile data service available to GSM mobile phone users and belongs to a data transmission technology in second-generation mobile communication. With the continuous development of the internet of things, the GPRS technology has been widely applied to remote data transmission. At present, although various products exist in the market, GPRS communication equipment applied to the internet of things, especially the ubiquitous power internet of things, has the following defects:
1. the GPRS communication equipment has low internal power supply integration level, needs an external power adapter and is inconvenient to use;
2. the appearance of GPRS communication equipment is not matched with the structure of the existing distribution box, and the installation is inconvenient;
3. the GPRS communication equipment is unstable in communication, and the GPRS cannot be reactivated after being halted;
4. the 485 interface is not isolated, and the anti-interference capability of the bus is poor.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a GPRS communication terminal and a GPRS communication system based on the Internet of things.
In order to achieve the purpose, the invention adopts the following technical scheme:
a GPRS communication terminal based on the Internet of things comprises a shell, a main board and a GPRS board, wherein the main board and the GPRS board are arranged inside the shell; the mainboard is integrated with a first power supply module for supplying power to the mainboard; the first power module comprises an EMC circuit, a first filter circuit, a high-frequency transformer, an auxiliary power supply, a control circuit, an optical isolation feedback circuit and a main power supply, wherein a strong current input binding post is connected with the input end of the EMC circuit, the output end of the EMC circuit is connected with the input end of the first filter circuit, the output end of the first filter circuit is connected with the input end of the high-frequency transformer, the output end of the high-frequency transformer is connected with the auxiliary power supply, the control circuit is connected with the output end of the first filter circuit and the output end of the high-frequency transformer respectively, and the optical isolation feedback circuit is connected between the control circuit and the main power supply.
Preferably, the shell is in a convex shape, the structure of the shell is matched with the shell structure of a 1P circuit breaker in a distribution box, the shell is provided with opposite back faces, and the back faces are provided with clamping grooves for mounting the GPRS communication terminal based on the Internet of things on a guide rail of the distribution box; the shell includes that base housing closes the casing with the lid, base housing with the lid closes the mutual lock of casing, the mainboard the GPRS board is in base housing with the lid closes the inside of casing.
Preferably, an ARM chip, a dry contact input module, an isolation 485 interface module, a first expansion interface and an SMA antenna are further integrated on the mainboard, the ARM chip is electrically connected with the first power supply module, the dry contact input module, the isolation 485 interface module, the first expansion interface and the SMA antenna are respectively electrically connected with the ARM chip, the dry contact input module is used for connecting a dry contact switch, and the isolation 485 interface module is used for interactively connecting the internet of things-based GPRS communication terminal with an intelligent circuit breaker in a distribution box through a 485 bus; the first expansion interface is used for connecting the main board with the GPRS board, and the SMA antenna is used for enhancing the position signal of the GPRS communication terminal based on the Internet of things.
Preferably, integrated GPRS chip, second power module, second expansion interface and IPEX connecting wire on the GPRS board, the GPRS chip with second power module electric connection, second power module is used for doing the GPRS board power supply, second expansion interface the IPEX connecting wire respectively with GPRS chip electric connection, first expansion interface with second expansion interface corresponds the connection, the SMA antenna with the IPEX connecting wire corresponds the connection.
Preferably, the isolation 485 interface module is connected with an interface protection module.
Preferably, the main board is connected with a toggle switch and an indicator light, the toggle switch is electrically connected with the ARM chip, the toggle switch has two gears of a normal gear and a reset gear, and when the toggle switch is toggled from the normal gear to the reset gear, the ARM chip controls the GPRS board to reset; the pilot lamp stretches out the shell, the pilot lamp with ARM chip electric connection, the pilot lamp has four kinds of states of often bright, slow flash, quickflashing and normally going out for instruct GPRS communication terminal's operating condition based on the thing networking.
Preferably, the first expansion interface comprises an interface a and an interface B, and the interface a and the interface B are respectively electrically connected with the ARM chip; the second expansion interface comprises an interface C and an interface D, and the interface C and the interface D are respectively and electrically connected with the GPRS chip; the interface A is correspondingly connected with the interface C, and the interface B is correspondingly connected with the interface D; interface A be used for with the GPRS board carries out serial communication and control the power break-make of GPRS board, interface B is used for detecting the running state of GPRS board.
Preferably, the GPRS chip with be equipped with the second filter circuit between the second power module, the GPRS chip with be equipped with level matching module and reset circuit module between the interface C, level matching module with reset circuit module mutual independence, the GPRS chip with be equipped with antenna matching module between the IPEX connecting wire.
According to another aspect of the invention, a GPRS communication system based on the internet of things is provided, which comprises a GPRS communication terminal based on the internet of things, a server, an intelligent device terminal, a computer terminal and a plurality of intelligent circuit breakers, wherein the intelligent circuit breakers are connected in parallel through 485 buses, the GPRS communication terminal based on the internet of things is interactively connected with the intelligent circuit breakers through 485 buses, the intelligent device terminal, the computer terminal and the server are connected through the internet of things, the server and the GPRS communication terminal based on the internet of things are connected through the internet of things, and the intelligent device terminal and the computer terminal perform data interaction with the intelligent circuit breakers through the server and the GPRS communication terminal based on the internet of things.
Compared with the prior art, the invention has the beneficial effects that:
(1) the first power supply module is integrated in the GPRS communication terminal based on the Internet of things, an external power supply adapter is not needed, and the integration level is high, neat, attractive and safe;
(2) the shell adopts a 1P shell structure, has the same appearance with the existing 1P circuit breaker, has high integration level, adopts a guide rail type installation form, is matched with a distribution box structure, and is simple and convenient to install;
(3) the GPRS communication terminal has high stability and reliability, and can ensure that the GPRS communication terminal is not halted and can be reactivated after being halted;
(4) the 485 interface module has an isolation function and strong anti-interference capability; the 485 interface module can realize seamless data transmission with a GPRS board, and supports 485 terminals with different baud rates and different data formats to access a field 485 bus;
(5) the strong current access terminal adopts a wiring terminal form of a miniature circuit breaker, is easy to distinguish from the weak current access terminal and prevents misconnection;
(6) by utilizing the GPRS communication terminal, a user can realize information interaction with the intelligent miniature circuit breaker by using computer-side or intelligent equipment-side (mobile phone) software through the server, namely, the information interconnection and intercommunication between people and objects is realized, the GPRS communication terminal is convenient to use and high in reliability.
Drawings
Fig. 1 is a connection relationship diagram between a main board and a GPRS board of a GPRS communication terminal based on the internet of things according to embodiment 1 of the present invention;
fig. 2 is a perspective view of a GPRS communication terminal based on the internet of things according to embodiment 1 of the present invention;
fig. 3 is a split structure diagram of a GPRS communication terminal based on the internet of things in embodiment 1 of the present invention;
fig. 4 is a system diagram of a GPRS communication system based on the internet of things in embodiment 1 of the present invention.
Wherein, 100-an internet of things-based GPRS communication terminal, 10-a shell, 11-a back surface, 12-a card slot, 13-a base shell, 14-a covering shell, 20-a main board, 21-a first power supply module, 211-an EMC circuit, 212-a first filter circuit, 213-a high-frequency transformer, 214-an auxiliary power supply, 215-a control circuit, 216-an optical isolation feedback circuit, 217-a main power supply, 22-an ARM chip, 23-a dry contact input module, 24-an isolation 485 interface module, 25-a first expansion interface, 26-an SMA antenna, 27-an interface protection module, 28-a toggle switch, 29-an indicator light, 30-a GPRS board, 31-a GPRS chip, 32-a second power supply module and 33-a second expansion interface, 34-IPEX connecting line, 35-second filter circuit, 36-level matching module, 37-reset circuit module, 38-antenna matching module, 200-server, 300-intelligent equipment terminal, 400-computer terminal and 500-intelligent circuit breaker.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Referring to fig. 1 to fig. 3 in combination, fig. 1 is a connection relationship diagram of a main board and a GPRS board of a GPRS communication terminal based on the internet of things according to embodiment 1 of the present invention; fig. 2 is a perspective view of a GPRS communication terminal based on the internet of things according to embodiment 1 of the present invention; fig. 3 is a split structure diagram of a GPRS communication terminal based on the internet of things in embodiment 1 of the present invention.
Referring to fig. 1 to 3 in combination, a GPRS communication terminal 100 based on the internet of things according to embodiment 1 of the present invention includes a housing 10, a main board 20, and a GPRS board 30, where the main board 20 and the GPRS board 30 are disposed inside the housing 10; a first power module 21 is integrated on the motherboard 20 and used for supplying power to the motherboard; the first power module 21 includes an EMC circuit 211, a first filter circuit 212, a high frequency transformer 213, an auxiliary power supply 214, a control circuit 215, an optical isolation feedback circuit 216 and a main power supply 217, wherein an input terminal of the EMC circuit 211 is connected to the strong current input terminals L and N, an output terminal of the EMC circuit 211 is connected to an input terminal of the first filter circuit 212, an output terminal of the first filter circuit 212 is connected to an input terminal of the high frequency transformer 213, an output terminal of the high frequency transformer 213 is connected to the auxiliary power supply 214, the control circuit 215 is respectively connected to an output terminal of the first filter circuit 212 and an output terminal of the high frequency transformer 213, and the optical isolation feedback circuit 216 is connected between the control circuit 215 and the main power. The strong current input binding post (L, N) adopts a miniature circuit breaker binding post form, is easy to distinguish from a weak current access terminal, and prevents misconnection; the emc (electro Magnetic compatibility) circuit 211 is used to enhance the electromagnetic compatibility of the device, so that the device can operate in an electromagnetic environment in compliance with the requirement and does not generate intolerable electromagnetic interference to any device in the environment; the first filter circuit 212 is used to enhance circuit stability and reliability; the high-frequency transformer 213 is used for voltage conversion, and converting the AC220V into a voltage suitable for the equipment; the optical isolation feedback circuit 216 is used for eliminating the problem that a resistive load has a channel; both the secondary power source 214 and the primary power source 217 are used to power the device. The first power supply module is integrated in the shell, an external power adapter is not needed, and the integration level is high, neat, attractive and safe; and the circuit has the advantages of stability and reliability.
Preferably, referring to fig. 2 or fig. 3, the housing 10 is in a shape of a Chinese character 'tu', the structure of the housing 10 matches with the shell structure of the 1P circuit breaker in the distribution box, the housing 10 has opposite back surfaces 11, the back surface 11 is provided with a clamping groove 12 for mounting the GPRS communication terminal 100 based on the internet of things on a guide rail of the distribution box, that is, the housing 10 adopts a guide rail type mounting structure; the housing 10 includes a base housing 13 and a cover housing 14, the base housing 13 and the cover housing 14 are buckled with each other, and the main board 20 and the GPRS board 30 are located inside the base housing 13 and the cover housing 14. The structure of the shell 10 is matched with the shell structure of the existing 1P miniature circuit breaker, and the structure of the clamping groove 12 is matched with the installation guide rail structure in the distribution box, so that the installation and the disassembly are convenient, and the appearance is attractive and harmonious.
Preferably, the main board 10 is further integrated with an ARM chip 22, a dry contact input module 23, an isolation 485 interface module 24, a first expansion interface 25 and an SMA antenna 26, the ARM chip 22 is electrically connected with the first power module 21, the dry contact input module 23, the isolation 485 interface module 24, the first expansion interface 25 and the SMA antenna 26 are respectively electrically connected with the ARM chip 22, the dry contact input module 23 is used for connecting a dry contact switch, the dry contact switch is an electrical switch and has 2 states of on and off, two contacts of the dry contact switch have no polarity and can be interchanged, and the dry contact switch in the embodiment of the present invention can be a limit switch or various keys, etc.; the dry contact input module 23 is used to convert the on and off of the dry contact switch into 0 and 1 data, and when the ARM chip 22 detects that the data changes from 0 to 1 or from 1 to 0, the GPRS board 30 sends an alarm signal, such as: when a distribution box or a door of the distribution box is opened (0 is changed into 1) or closed (1 is changed into 0), the GPRS board 30 sends an alarm signal; the isolation 485 interface module 24 is used for connecting the internet-of-things-based GPRS communication terminal 100 with an intelligent circuit breaker in a distribution box in an interactive manner through a 485 bus; the first expansion interface 25 is used for connecting the main board 20 with the GPRS board 30, and the SMA antenna 26 is used for enhancing the location signal of the internet-of-things-based GPRS communication terminal 100. The GPRS board 30 is integrated with a GPRS chip 31, a second power module 32, a second expansion interface 33 and an IPEX connecting line 34, the GPRS chip 31 is electrically connected with the second power module 32, the second power module 32 is used for supplying power to the GPRS board 30, the second expansion interface 33 and the IPEX connecting line 34 are respectively electrically connected with the GPRS chip 31, the first expansion interface 25 is correspondingly connected with the second expansion interface 33, and the SMA antenna 26 is correspondingly connected with the IPEX connecting line 34. In the preferred embodiment of the invention, the ARM chip 22 adopts a HT32F50241 type chip, the GPRS chip 31 adopts an Air208S type chip, the first expansion interface 25 and the second expansion interface 33 are used for connecting the main board 20 and the GPRS board 30, and the main board 20 controls the GPRS board 30 to carry out operations such as serial data sending, receiving, power on-off, resetting and the like, so that remote transmission is realized; the SMA antenna 26 is used for solving the problem of weak position signals of the distribution box; the GPRS communication terminal 100 based on the Internet of things realizes the gateway function by adopting an MODBUS RTU protocol, namely, the function of converting GPRS to 485 is completed. The isolation 485 interface module 24 supports various baud rate data formats, and can realize real-time seamless transparent transmission of data with a GPRS board.
By using the internet of things-based GPRS communication terminal 100, information interaction between a user and an intelligent miniature circuit breaker can be realized through a server by using software of a computer end or an intelligent device end (such as a mobile phone, an ipad and the like), namely information interconnection and intercommunication between people and objects are realized, and the internet of things-based GPRS communication terminal is convenient to use and high in reliability.
Preferably, an interface protection module 27 is connected to the isolated 485 interface module 24. The interface protection module 27 performs circuit protection on the isolation 485 interface module 24, and guarantees the use safety of the GPRS communication terminal 100 based on the internet of things.
Preferably, referring to fig. 1, the main board 20 is connected with a toggle switch 28 and an indicator light 29, the toggle switch 28 is electrically connected with the ARM chip 22, the toggle switch 28 has two gears, namely a normal gear and a reset gear, and when the toggle switch 28 is in the normal gear, the GPRS board 30 normally operates to perform operations such as data transmission and reception; when the toggle switch 28 is toggled from the normal gear to the reset gear, the ARM chip 22 controls the GPRS board 30 to reset; the indicator light 29 extends out of the shell, the indicator light 29 is electrically connected with the ARM chip 22, and the indicator light 29 has four states of normally on, slowly flashing, flashing and normally off and is used for indicating the working state of the GPRS communication terminal 100 based on the Internet of things. The indicator light 29 of the present invention is an LED indicator light, which has 4 working states of normally on, slow flash, fast flash, and normally off, and table 1 is an explanation of the status and corresponding functions of the indicator light:
table 1: indicator lamp state and corresponding function table
The user can intuitively understand the operating state of the device through the state of the indicator light 29.
Preferably, the first expansion interface 25 includes an interface a and an interface B, and the interface a and the interface B are electrically connected to the ARM chip 22 respectively; the second expansion interface 33 includes an interface C and an interface D, and the interface C and the interface D are electrically connected to the GPRS chip 31, respectively; the interface A is correspondingly connected with the interface C, and the interface B is correspondingly connected with the interface D; the interface a and the interface C are used for serial communication between the main board 20 and the GPRS board 30 and controlling power on/off of the GPRS board 30, and the interface B and the interface D are used for detecting an operating state of the GPRS board 30.
Preferably, a second filter circuit 35 is arranged between the GPRS chip 31 and the second power module 32, and is used for filtering the circuit, so as to improve the stability and reliability of the device; a level matching module 36 and a reset circuit module 37 are arranged between the GPRS chip 31 and the interface C, the level matching module 36 and the reset circuit module 37 are independent of each other, the level matching module 36 is used for converting the voltage output by the interface C into the voltage matched with the GPRS chip 31, and the reset circuit module 37 is used for controlling the GPRS chip 31 to carry out reset operation according to the instruction of the mainboard 20; an antenna matching module 38 is disposed between the GPRS chip 31 and the IPEX connection line 34 to enhance the compatibility of the device.
According to another aspect of the present invention, a GPRS communication system based on the internet of things is provided, please refer to fig. 4, and fig. 4 is a system diagram of a GPRS communication system based on the internet of things according to embodiment 1 of the present invention. The internet-of-things-based GPRS communication system in embodiment 1 of the present invention includes an internet-of-things-based GPRS communication terminal 100, a server 200, an intelligent device 300, a computer 400, and a plurality of intelligent circuit breakers 500, where the plurality of intelligent circuit breakers 500 are connected in parallel via a 485 bus, the internet-of-things-based GPRS communication terminal 100 and the plurality of intelligent circuit breakers 500 are interactively connected via the 485 bus, the intelligent device 300 and the computer 400 are connected with the server 200 via an internet of things, the server 200 is connected with the internet-of-things-based GPRS communication terminal 100 via an internet of things, and the intelligent device 300 and the computer 400 perform data interaction with the plurality of intelligent circuit breakers 500 via the internet-of-things-based GPRS communication terminal 100 via the server 200. The user can realize information interaction with the intelligent circuit breaker 500 through the server 200 by using software of the computer terminal 400 or the intelligent equipment terminal 300 (mobile phone), namely, information interconnection and intercommunication between people and objects are realized, and the intelligent circuit breaker is convenient to use and high in reliability.
In summary, the invention provides a GPRS communication terminal applied to the internet of things, which internally integrates a switching power supply, does not need an external power adapter, and has high integration level, tidiness, beauty and safety; the shell 10 adopts a 1P shell structure, has the same appearance as the existing 1P circuit breaker, has high integration level, adopts a guide rail type installation form, is matched with a distribution box structure, and is simple and convenient to install; the GPRS communication terminal has high stability and reliability, and can ensure that the GPRS communication terminal is not halted and can be reactivated after being halted; the isolation 485 interface module 24 has an isolation function and strong anti-interference capability; the isolated 485 interface module 24 can realize seamless data transmission with the GPRS board 30, and supports 485 terminals with different baud rates and different data formats to access the field 485 bus; the strong current access terminal adopts a wiring terminal form of a miniature circuit breaker, is easy to distinguish from the weak current access terminal and prevents misconnection; by using the internet of things-based GPRS communication terminal 100, a user can realize information interaction with the intelligent circuit breaker 500 through the server 200 by using software of the computer terminal 400 or the intelligent equipment terminal 300 (mobile phone), namely, information interconnection and intercommunication between people and objects are realized, and the internet of things-based GPRS communication terminal 100 is convenient to use and high in reliability.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (9)
1. The utility model provides a GPRS communication terminal based on thing networking which characterized in that: the system comprises a shell, a mainboard and a GPRS board, wherein the mainboard and the GPRS board are arranged in the shell; the mainboard is integrated with a first power supply module for supplying power to the mainboard; the first power module comprises an EMC circuit, a first filter circuit, a high-frequency transformer, an auxiliary power supply, a control circuit, an optical isolation feedback circuit and a main power supply, wherein a strong current input binding post is connected with the input end of the EMC circuit, the output end of the EMC circuit is connected with the input end of the first filter circuit, the output end of the first filter circuit is connected with the input end of the high-frequency transformer, the output end of the high-frequency transformer is connected with the auxiliary power supply, the control circuit is connected with the output end of the first filter circuit and the output end of the high-frequency transformer respectively, and the optical isolation feedback circuit is connected between the control circuit and the main power supply.
2. The internet of things-based GPRS communication terminal of claim 1, wherein: the shell is in a convex shape, the structure of the shell is matched with the shell structure of a 1P circuit breaker in a distribution box, the shell is provided with opposite back faces, and the back faces are provided with clamping grooves used for installing the GPRS communication terminal based on the Internet of things on a guide rail of the distribution box; the shell includes that base housing closes the casing with the lid, base housing with the lid closes the mutual lock of casing, the mainboard the GPRS board is in base housing with the lid closes the inside of casing.
3. The internet of things-based GPRS communication terminal of claim 1, wherein: the main board is further integrated with an ARM chip, a dry contact input module, an isolation 485 interface module, a first expansion interface and an SMA antenna, the ARM chip is electrically connected with the first power supply module, the dry contact input module, the isolation 485 interface module, the first expansion interface and the SMA antenna are respectively electrically connected with the ARM chip, the dry contact input module is used for connecting a dry contact switch, and the isolation 485 interface module is used for interactively connecting the GPRS communication terminal based on the Internet of things with an intelligent circuit breaker in a distribution box through a 485 bus; the first expansion interface is used for connecting the main board with the GPRS board, and the SMA antenna is used for enhancing the position signal of the GPRS communication terminal based on the Internet of things.
4. The internet of things-based GPRS communication terminal of claim 3, wherein: integrated GPRS chip, second power module, second expansion interface and IPEX connecting wire on the GPRS board, the GPRS chip with second power module electric connection, second power module is used for doing the GPRS board power supply, second expansion interface the IPEX connecting wire respectively with GPRS chip electric connection, first expansion interface with second expansion interface corresponds the connection, the SMA antenna with the IPEX connecting wire corresponds the connection.
5. The internet of things-based GPRS communication terminal of claim 3, wherein: the isolation 485 interface module is connected with an interface protection module.
6. The internet of things-based GPRS communication terminal of claim 3, wherein: the main board is connected with a toggle switch and an indicator light, the toggle switch is electrically connected with the ARM chip, the toggle switch is provided with two gears of a normal gear and a reset gear, and when the toggle switch is toggled from the normal gear to the reset gear, the ARM chip controls the GPRS board to reset; the pilot lamp stretches out the shell, the pilot lamp with ARM chip electric connection, the pilot lamp has four kinds of states of often bright, slow flash, quickflashing and normally going out for instruct GPRS communication terminal's operating condition based on the thing networking.
7. The internet-of-things based GPRS communication terminal of claim 4, wherein: the first expansion interface comprises an interface A and an interface B, and the interface A and the interface B are respectively and electrically connected with the ARM chip; the second expansion interface comprises an interface C and an interface D, and the interface C and the interface D are respectively and electrically connected with the GPRS chip; the interface A is correspondingly connected with the interface C, and the interface B is correspondingly connected with the interface D; interface A be used for with the GPRS board carries out serial communication and control the power break-make of GPRS board, interface B is used for detecting the running state of GPRS board.
8. The internet of things-based GPRS communication terminal of claim 7, wherein: the GPRS chip with be equipped with second filter circuit between the second power module, the GPRS chip with be equipped with level matching module and reset circuit module between the interface C, level matching module with reset circuit module mutual independence, the GPRS chip with be equipped with antenna matching module between the IPEX connecting wire.
9. A GPRS communication system based on thing networking which characterized in that: including GPRS communication terminal, server, smart machine end, computer end and a plurality of intelligent circuit breaker based on the thing networking, a plurality of intelligent circuit breakers are parallelly connected through the 485 bus, GPRS communication terminal based on the thing networking with a plurality of intelligent circuit breakers pass through the 485 bus interactive mode and connect, the smart machine end the computer end with the server passes through the thing networking and connects, the server with GPRS communication terminal based on the thing networking passes through the thing networking and connects, the smart machine end the computer end passes through the server warp GPRS communication terminal based on the thing networking with a plurality of intelligent circuit breakers carry out the data interaction.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070127275A1 (en) * | 2005-12-07 | 2007-06-07 | Jentec Technology Co., Ltd. | Switching power supply capable of reducing low-frequency secondary-side common-mode voltage |
| CN102946149A (en) * | 2012-12-06 | 2013-02-27 | 广州南方电力集团科技发展有限公司 | Automatic monitoring terminal for distributed distribution network |
| CN107300636A (en) * | 2017-08-16 | 2017-10-27 | 国网辽宁省电力有限公司电力科学研究院 | A kind of resistive current live line measurement handheld device |
| CN209472548U (en) * | 2019-04-18 | 2019-10-08 | 天津铁路信号有限责任公司 | A kind of single channel output direct-current switch power supply module |
-
2019
- 2019-11-07 CN CN201911083134.3A patent/CN111031518A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070127275A1 (en) * | 2005-12-07 | 2007-06-07 | Jentec Technology Co., Ltd. | Switching power supply capable of reducing low-frequency secondary-side common-mode voltage |
| CN102946149A (en) * | 2012-12-06 | 2013-02-27 | 广州南方电力集团科技发展有限公司 | Automatic monitoring terminal for distributed distribution network |
| CN107300636A (en) * | 2017-08-16 | 2017-10-27 | 国网辽宁省电力有限公司电力科学研究院 | A kind of resistive current live line measurement handheld device |
| CN209472548U (en) * | 2019-04-18 | 2019-10-08 | 天津铁路信号有限责任公司 | A kind of single channel output direct-current switch power supply module |
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