CN203193620U - SOC-based GPRS data transmission equipment - Google Patents

Abstract

The utility model relates to SOC-based GPRS data transmission equipment comprising an SOC (system on a chip), a key unit, a working status indicating unit, a logic gate unit, an RS232 interface, an RS485 interface, an SIM card, an antenna and a power supply unit. The key unit, the working status indicating unit, the SIM card and the antenna are respectively connected with the SOC (system on a chip); a serial port of the SOC (system on a chip) is connected with both the RS232 interface and the RS485 interface; two input ends of the logic gate unit are respectively connected with the RS232 interface and the RS485 interface; and an output end of the logic gate unit is connected with an input end of the SOC (system on a chip). The SOC-based GPRS data transmission equipment is convenient in communication, good in working stability and low in cost and enables data exchange between equipment without networking capability and a server on a network to be easily realized.

Description

A kind of GPRS data transmission set based on SOC

Technical field

The utility model relates to a kind of communication apparatus, relates in particular to a kind of GPRS data transmission set based on SOC.

Background technology

Some place is because factor such as anoxic or environment be abominable, and the staff can't enter into these occasions or can not stay inside for a long time, therefore, the device that is installed in these places and equipment such as is debugged and arranges at operation just brought trouble.To this, some solutions are also arranged at present, realization equipment and extraneous communication, thus can carry out some operation at a distance, as debugging, setting, warning etc.A kind of is to adopt low side MCU and GPRS module to make up, and on the ICP/IP protocol stack, can transplant the thin protocol stack of increasing income or the prior protocols stack in the employing GPRS module.But with the protocol stack difficult communication of GPRS module, thereby there is the unsteadiness of work in thin protocol stack defectiveness.Another kind is to adopt high-end controller, and operation has the operating system of complete protocol stack, as Linux, WinCE etc., designs with the GPRS module.This technical scheme, owing to adopt high-end controller, the hardware designs difficulty, the software development difficulty is bigger, the cost height.

Summary of the invention

The utility model is in order to solve the problems of the technologies described above, a kind of GPRS data transmission set based on SOC is provided, it communicates by letter convenient, good operating stability, development difficulty is little, and cost is also lower, can realization communicating by letter between equipment and the network, as have the equipment of RS232 interface and RS485 interface, itself does not possess networking capabilities these equipment, use behind the utility model then can be easily with network on server carry out exchanges data.

Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: the utility model comprises the SOC system level chip, push-button unit, the gate unit, the RS232 interface, the RS485 interface, SIM card and antenna and be the whole power subsystem that operating voltage is provided based on the GPRS data transmission set of SOC, push-button unit, SIM card, antenna links to each other with described SOC system level chip respectively, a serial ports of SOC system level chip not only links to each other with described RS232 interface but also links to each other with described RS485 interface, two inputs of described gate unit respectively with the RS232 interface, the RS485 interface links to each other, the output of gate unit links to each other with the input of described SOC system level chip, and described SOC system level chip comprises single-chip microcomputer and the RAM module that links to each other with single-chip microcomputer, FLASH module and GPRS module.The technical program adopts the SOC system level chip, uses the ARM9EJS processor among the SOC, has the FLASH of 1M and the RAM of 1M, the integrated level height, and simple in structure, exploitation is convenient, is convenient to safeguard.Push-button unit is convenient to user operation, is connected to network by SIM card, can with network on server carry out exchanges data, the setting of antenna guarantees that wireless telecommunications are reliable.Support RS232 interface and RS485 interface simultaneously, RS232 interface and RS485 interface are used for linking to each other with the institute monitoring equipment, by the gate unit RS232 signal and RS485 signal are selected automatically, reach the purpose of only using single hardware serial ports but can support two kinds of communication modes, satisfy the needs of distinct device.The utility model communication is convenient, good operating stability, development difficulty is little, cost is also lower, can realization communicating by letter between equipment and the network, as have the equipment of RS232 interface and RS485 interface, itself does not possess networking capabilities these equipment, use behind the utility model then can be easily with network on server carry out exchanges data.

As preferably, described a kind of GPRS data transmission set based on SOC comprises the operating state indicating member, and the operating state indicating member links to each other with described SOC system level chip.The operating state indicating member adopts a plurality of LED to realize, indication different operating state as receiving signal, sending signal or SMS alarm etc., is convenient to user's operation and is understood operating state.

As preferably, described power subsystem comprises DC/DC modular converter, filtration module and LDO power module, the wide voltage of input termination 5～26V of DC/DC modular converter, the output of DC/DC modular converter, one the tunnel links to each other with described SOC system level chip through filtration module, and another road links to each other with described operating state indicating member, push-button unit, gate unit, RS232 interface and RS485 interface through the LDO power module.Power work reliability height, low in energy consumption.LDO power module cost is low, noise is low, and quiescent current is little, and outward element also seldom.

The beneficial effects of the utility model are: communication is convenient, good operating stability, development difficulty is little, cost is also lower, can realization communicating by letter between equipment and the network, as have the equipment of RS232 interface and RS485 interface, itself does not possess networking capabilities these equipment, use behind the utility model then can be easily with network on server carry out exchanges data.

Description of drawings

Fig. 1 is a kind of circuit theory syndeton block diagram of the present utility model.

A kind of system syndeton block diagram when Fig. 2 is the utility model use.

1. SOC system level chips among the figure, 2. push-button unit, 3. gate unit, 4.RS232 interface, 5.RS485 interface, 6.SIM card, 7. antenna, 8. power subsystem, 9. operating state indicating member, 10.DC/DC modular converter, 11. filtration modules, 12.LDO power module, 13. the GPRS data transmission set based on SOC, 14. need monitoring equipment, 15.GPRS wireless network, 16. servers.

Embodiment

Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.

Embodiment: a kind of GPRS data transmission set based on SOC of present embodiment, as shown in Figure 1, comprise SOC system level chip 1, push-button unit 2, operating state indicating member 9, gate unit 3, RS232 interface 4, RS485 interface 5, SIM card 6 and antenna 7 and the power subsystem 8 that operating voltage is provided for whole GPRS data transmission set based on SOC, push-button unit 2, operating state indicating member 9, SIM card 6, antenna 7 links to each other with SOC system level chip 1 respectively, a serial ports of SOC system level chip 1 not only links to each other with RS232 interface 4 but also links to each other with RS485 interface 5, two inputs of gate unit 3 respectively with RS232 interface 4, RS485 interface 5 links to each other, the output of gate unit 3 links to each other with the input of SOC system level chip 1, the RAM module that single-chip microcomputer is arranged in the SOC system level chip 1 and link to each other with single-chip microcomputer, FLASH module and GPRS module.In the present embodiment, power subsystem 8 comprises DC/DC modular converter 10, filtration module 11 and LDO power module 12, the wide voltage of input termination 5～26V of DC/DC modular converter 10, the output of DC/DC modular converter 10, output 4.08V voltage, one the tunnel links to each other with SOC system level chip 1 through filtration module 11, for the SOC system level chip provides operating voltage, another road is through LDO power module 12 output 3.3V voltages, for operating state indicating member 9, push-button unit 2, gate unit 3, RS232 interface 4 and RS485 interface 5 provide operating voltage.

As shown in Figure 2, during use, based on the RS232 interface of the GPRS data transmission set 13 of SOC or RS485 interface with need monitoring equipment 14 to link to each other, GPRS data transmission set 13 based on SOC carries out wireless telecommunications by SIM card and GPRS wireless network 15, communicating by letter between realization equipment and the network, as have the equipment of RS232 interface and RS485 interface, itself does not possess networking capabilities these equipment, use behind the utility model then can be easily with network on server 16 carry out exchanges data.

The utlity model has configuration mode and mode of operation, the user can carry out relevant configuration to equipment by the AT instruction under configuration mode.Under the communication pattern, the utility model can be automatically dial according to configuration information and set up TCP and connect, and receives serial data and sends to the TCP server, and the downlink data of TCP server is sent to serial ports.Equipment can receive the note of specified format under communication pattern, and carries out the configuration of equipment according to its short message content.

The utility model is finished RS232 interface or RS485 interface data to the transparent transmission of server data, and that realizes that TCP connects is dynamically connected certainly and recovers, and finishes subpackage and the buffer memory of data.Have independently power unit, user interface is supported RS232 interface and RS485 interface, and the user is configurable, and configuration parameter is not lost.Can realize SMS and networking function simultaneously, use the GPRS module, the subpackage of realization data and group bag have the disconnection of connection reconnect function.Support data central field name analysis, support remote parameter configuration/remote firmware updating, support remote short messages/WOR, support local serial ports firmware upgrade, short message channel is provided, the indication of on-line level is provided.

Use the utility model to carry out Long-distance Control to the need monitoring equipment, be fit to be unsuitable for the people and enter or be not suitable for the place use that the people works long hours.The need monitoring equipment is carried out unified management, and the intervention of network makes management more intelligent.Can be in real time the data of need monitoring equipment be reported, be convenient to long-range acquisition data necessary and handle in time.For example, can be used for the collection of environmental data, the real-time update of teledata and the remote backup of important information etc.

Claims (3)

1. GPRS data transmission set based on SOC, it is characterized in that comprising SOC system level chip (1), push-button unit (2), gate unit (3), RS232 interface (4), RS485 interface (5), SIM card (6) and antenna (7) and be the whole power subsystem (8) that operating voltage is provided based on the GPRS data transmission set of SOC, push-button unit (2), SIM card (6), antenna (7) links to each other with described SOC system level chip (1) respectively, a serial ports of SOC system level chip (1) not only links to each other with described RS232 interface (4) but also links to each other with described RS485 interface (5), two inputs of described gate unit (3) respectively with RS232 interface (4), RS485 interface (5) links to each other, the output of gate unit (3) links to each other with the input of described SOC system level chip (1), and described SOC system level chip (1) comprises single-chip microcomputer and the RAM module that links to each other with single-chip microcomputer, FLASH module and GPRS module.

2. a kind of GPRS data transmission set based on SOC according to claim 1 is characterized in that comprising operating state indicating member (9), and operating state indicating member (9) links to each other with described SOC system level chip (1).

3. a kind of GPRS data transmission set based on SOC according to claim 1 and 2, it is characterized in that described power subsystem (8) comprises DC/DC modular converter (10), filtration module (11) and LDO power module (12), the wide voltage of input termination 5～26V of DC/DC modular converter (10), the output of DC/DC modular converter (10), one the tunnel links to each other with described SOC system level chip (1) through filtration module (11), and another road is through LDO power module (12) and described operating state indicating member (9), push-button unit (2), gate unit (3), RS232 interface (4) and RS485 interface (5) link to each other.

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