CN212516096U

CN212516096U - Wireless data transmitter based on GPRS technology

Info

Publication number: CN212516096U
Application number: CN202021470896.7U
Authority: CN
Inventors: 凌宝兴
Original assignee: Hangzhou Zhaoqi Energy Saving Technology Co ltd
Current assignee: Hangzhou Zhaoqi Energy Saving Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-02-09
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses a wireless data transmission ware based on GPRS technique relates to wireless data transmission technical field. The system comprises a power management module, and a GPRS module, a signal conversion module and a reservation module which are electrically connected with the power management module; the signal conversion module and the reservation module are respectively and electrically connected with the GPRS module; the power supply management module is electrically connected with the signal conversion module. The utility model provides a through GPRS communication data to the data signal of smart machine receive, handle and the wireless data transmission ware of transmission, can reduce material cost, cost of labor and the construction cycle of equipment intelligent control, equipment remote monitoring, long-range meter reading etc. by a wide margin.

Description

Wireless data transmitter based on GPRS technology

Technical Field

The utility model relates to a wireless data transmission technical field especially relates to a wireless data transmission ware based on GPRS technique.

Background

In the prior art, in order to reduce labor cost and realize real-time monitoring, recording and control of facility equipment operation in the technical field of existing intelligent equipment, in the past industry, data interaction is mainly carried out between equipment such as a serial port server and a remote public network server or a cloud server through field network resources (wired Ethernet and WiFi) by the communication interfaces (such as serial ports RS485, RS232 and 422) of the equipment.

Although this method can realize the communication between the field device and the server, the following disadvantages exist:

1. an Ethernet network cable needs to be laid on each equipment site, so that the amount of manual work is increased, and the consumption of wires is increased;

2. numerous sites without Internet access need to go to Internet access merchants to open accounts, which increases extra cost;

3. in a plurality of occasions with far Internet access points, multi-stage exchange is needed for relaying to reach the equipment access points, so that the equipment cost and the labor cost are increased;

4. in many occasions with shortage of intranet IP resources, lower-level IP allocation needs to be performed through a router and the like, so that the equipment cost is increased, and the network management difficulty is increased;

5. when on-site network resources such as IP and the like are changed, the phenomenon that the serial server is disconnected and disconnected exists, so that data is interrupted, and the on-site maintenance workload is increased.

Therefore, in order to solve the above technical problem, a new technical solution needs to be proposed to solve the problem. In particular to a wireless data transmitter based on GPRS technology.

Disclosure of Invention

The utility model discloses a solve present technical problem who needs rely on wired ethernet or WIFI to carry out data exchange and transmission when carrying out monitor control to smart machine on the market, disclose a mobile communication network's wireless data transmission ware based on GPRS signal.

The following technical scheme is provided for achieving the purpose: a wireless data transmitter based on GPRS technology comprises a power management module, a GPRS module, a signal conversion module and a reservation module, wherein the GPRS module, the signal conversion module and the reservation module are electrically connected with the power management module; the signal conversion module and the reservation module are respectively and electrically connected with the GPRS module; the communication access port is electrically connected with the power management module and the signal conversion module respectively.

Preferably, the power management module comprises a power inlet and a wide power processing chip.

Preferably, the GPRS module comprises a signal processor, a baseband chip and a signal transmitter.

Preferably, the signal conversion module includes a signal conversion chip.

Preferably, the communication output port comprises a direct current power supply input/output interface and a 485 communication interface; the direct current power supply input/output interface is electrically connected with the wide power supply processing chip, and one end of the 485 communication interface is electrically connected with the signal conversion module.

Preferably, the wide power supply processing chip adopts a chip of a P2303 model.

Preferably, the signal transmitter comprises a GSM antenna interface; the signal processor comprises a single chip microcomputer and an auxiliary circuit thereof.

Preferably, the signal conversion chip is a chip of a MAX3487 model.

The utility model has the advantages that: the utility model discloses a GPRS module and signal conversion module and supporting power management module change traditional smart machine's data exchange need use traditional connected mode such as ethernet or WIFI, utilize the GPRS module to carry out data temporary storage, heartbeat package control to data etc. and handle, then utilize signal conversion module to carry out two-way conversion with the signal.

And simultaneously the utility model discloses still add a reservation module of being connected with the GPRS module, reserve the module and add corresponding function on this wireless data transmitter as required.

Drawings

Fig. 1 is a schematic view of the overall layout structure of the present invention.

Fig. 2 is a schematic view of the working process of the present invention.

Wherein: 1. a GPRS module; 11. a GSM antenna interface; 2. a signal conversion module; 3. a communication output port; 4. a power management module; 41. a power supply access port; 5. a reservation module; 10. and (7) fixing holes.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. The upper part, the lower part, etc. belong to the position description when the utility model is in the use state. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and fig. 2, a wireless data transmitter based on GPRS technology includes a power management module 4, and a GPRS module 1, a signal conversion module 2, and a reservation module 5 electrically connected to the power management module 4; the signal conversion module 2 and the reservation module 5 are respectively and electrically connected with the GPRS module 1; the intelligent power supply device further comprises a communication output port 3, and the communication output port 3 is electrically connected with the power supply management module 4 and the signal conversion module 2 respectively. The modules may be mounted on a mounting plate which is then fixedly connected by means of fixing holes 10.

The power management module 4 includes a power inlet 41 and a wide power processing chip. The power inlet 41 is externally connected with an external power supply. The wide power supply processing chip is responsible for converting 5-28V direct current into 3.8V chip-level voltage and is responsible for carrying out stable direct current power supply on the signal conversion module, the GPRS module and the reserved module. The wide power supply processing chip can adopt a chip of a P2303 model.

The GPRS module 1 includes a signal processor, a baseband chip, and a signal transmitter. The signal processor comprises a singlechip and an auxiliary circuit thereof; the signal transmitter comprises a GSM antenna interface 11. The GPRS module is responsible for the access of a mobile network and the data interaction with a public network server. The GSM antenna interface is an antenna interface of the GPRS module and used for network-resident signal access of the module.

The signal conversion module 2 comprises a signal conversion chip, and the signal conversion chip and an auxiliary circuit thereof are responsible for converting TTL level signals of the module into 485 half-duplex signals. The signal conversion chip is bidirectional conversion, and a chip of MAX3487 model can be adopted.

The communication output port 3 comprises a direct current power supply input/output interface and a 485 communication interface; the direct current power supply input/output interface is electrically connected with the wide power supply processing chip, and one end of the 485 communication interface is electrically connected with the signal conversion module. The communication output port 3 adopts a 4pin connector and comprises a direct current power supply input/output interface and a 485 communication interface. The 485 interface is used for being in communication connection with a lower 485 terminal device.

The reservation module 5 is additionally provided with corresponding equipment as required for re-expanding the signal transmission mode.

The utility model discloses a receive and transmit external signal through GSM antenna interface to transmit to the GPRS module simultaneously, handle data through baseband chip and singlechip, carry out the data signal processing of identification, data temporary storage, heartbeat package control to data including the singlechip. And then, the data are transmitted to a signal conversion module, the TTL level signal is converted into a 485 half-duplex signal through the signal conversion module, and the 485 half-duplex signal is connected with a lower-level 485 terminal device through a 485 interface for communication. The power management module is used for reducing the voltage of the external input voltage and then supplying power to each chip, wherein each chip comprises a peripheral auxiliary circuit matched with the chip.

The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims

1. A wireless data transmitter based on GPRS technology is characterized in that: the device comprises a power management module (4), and a GPRS module (1), a signal conversion module (2) and a reservation module (5) which are electrically connected with the power management module (4); the signal conversion module (2) and the reservation module (5) are respectively and electrically connected with the GPRS module (1); the intelligent power supply device is characterized by further comprising a communication output port (3), wherein the communication output port (3) is electrically connected with the power supply management module (4) and the signal conversion module (2) respectively.

2. A wireless data transmitter based on GPRS technology according to claim 1, wherein: the power management module (4) comprises a power access port (41) and a wide power processing chip.

3. A wireless data transmitter based on GPRS technology according to claim 1 or 2, characterized in that: the GPRS module (1) comprises a signal processor, a baseband chip and a signal transmitter.

4. A wireless data transmitter based on GPRS technology according to claim 1, wherein: the signal conversion module (2) comprises a signal conversion chip.

5. A wireless data transmitter based on GPRS technology according to claim 2, wherein: the communication output port (3) comprises a direct-current power supply input/output interface and a 485 communication interface; the direct current power supply input/output interface is electrically connected with the wide power supply processing chip, and one end of the 485 communication interface is electrically connected with the signal conversion module.

6. A wireless data transmitter based on GPRS technology as claimed in claim 2 or 5, characterized in that: the wide power supply processing chip adopts a chip of P2303 type.

7. A wireless data transmitter based on GPRS technology according to claim 3, wherein: the signal processor comprises a singlechip and an auxiliary circuit thereof; the signal transmitter comprises a GSM antenna interface (11).

8. A wireless data transmitter based on GPRS technology as claimed in claim 4, characterized in that: the signal conversion chip adopts a chip with a MAX3487 model.