CN209562243U - A kind of remote communication devices and system - Google Patents

Abstract

Remote communication devices provided by the utility model and system are related to communicating circuit technical field.Telecommunication system includes remote communication devices and electric power terminal, and remote communication devices include GPRS communication module and SIM card module, and GPRS communication module is electrically connected with electric power terminal, and GPRS communication module is connect by SIM card module with operation background communication；GPRS communication module is used to receive the control instruction that operation backstage is sent, and control instruction is converted into the identifiable control instruction of electric power terminal, electric power terminal is sent by the control instruction after conversion, so that electric power terminal carries out program upgrading or feedback status information according to the control instruction after conversion.It can be achieved with electric power terminal by remote communication devices and operate the data interaction between backstage, technical staff can carry out remote control to electric power terminal by operation backstage, and technical staff in severe site environment without operating.

Description

A kind of remote communication devices and system

Technical field

The utility model relates to communicating circuit technical fields, in particular to a kind of remote communication devices and system.

Background technique

At present, it when carrying out program upgrading and condition monitoring to electric power terminal, generally requires through technical staff to scene Point-to-point patching operations are carried out, just can be carried out program upgrading and condition monitoring.This mode is troublesome in poeration, and workload is huge, takes When it is laborious.

Utility model content

The utility model solves the problems, such as it is that electric power terminal carries out program upgrading and when condition monitoring, can only arrive scene and carry out Operation, it is time-consuming and laborious.

To solve the above problems, the technical solution of the utility model is achieved in that

In a first aspect, the utility model provides a kind of remote communication devices, including GPRS communication module and SIM card module, GPRS communication module is electrically connected with electric power terminal, and GPRS communication module is connect by SIM card module with operation background communication；GPRS Communication module is used to receive the control instruction that operation backstage is sent, and control instruction is converted to the identifiable control of electric power terminal Instruction, sends electric power terminal for the control instruction after conversion, so that electric power terminal carries out journey according to the control instruction after conversion Sequence upgrading or feedback status information.Compared with prior art, electric power end can be achieved with by GPRS communication module and SIM card module Data interaction between end and operation backstage, technical staff can carry out remote control, skill to electric power terminal by operation backstage Art personnel in severe site environment without operating.Meanwhile GPRS communication module carries processing function, without individually increasing Processor carries out data processing, and remote communication devices design is simple, and overall operation is low in energy consumption.

Further, remote communication devices further include USB module, and GPRS communication module passes through USB module and electric power terminal Electrical connection, carries out data interaction by USB module between GPRS communication module and electric power terminal；USB module is used to be long-range logical T unit provides the first operating voltage.Power supply is obtained from electric power terminal by USB module, external power supply unit is no longer needed to, saves Cost.

Further, GPRS communication module includes the first data terminal and the second data terminal, and USB module includes USB interface, USB interface includes the first signal end and second signal end, and the first data terminal is electrically connected with the first signal end, the second data terminal and the The electrical connection of binary signal end, USB interface are connect with electric power terminal.

Further, remote communication devices further include voltage transformation module, and voltage transformation module and USB module, GPRS are logical Letter module is electrically connected；Voltage transformation module is used to be converted to the first operating voltage the second operating voltage, and second is worked Voltage is provided to GPRS communication module.

Further, voltage transformation module includes voltage stabilizing chip, and voltage stabilizing chip includes voltage input end and voltage output end, Voltage input end is electrically connected with USB module, and voltage output end is electrically connected with GPRS communication module.

Further, GPRS communication module includes third data terminal, the 4th data terminal, the 5th data terminal and the 6th data End, SIM card module include third signal end, fourth signal end, the 5th signal end and the 6th signal end, third data terminal and third Signal end electrical connection, the 4th data terminal are electrically connected with fourth signal end, and the 5th data terminal is electrically connected with the 5th signal end, the 6th number It is electrically connected according to end with the 6th signal end.

Further, remote communication devices further include RS232 module, RS232 module and GPRS communication module and a debugging Equipment is electrically connected；RS232 module is used to the debugging instruction that commissioning device is sent being sent to GPRS communication module, to debug Equipment carries out function debugging to GPRS communication module according to debugging instruction.

Further, remote communication devices further include state indicator module, state indicator module and GPRS communication module electricity Connection；State indicator module is used to issue first state instruction when RS232 module and GPRS communication module carry out function debugging Information；It is also used to issue the second status indication information when GPRS communication module is connect with operation background communication；It is also used to When GPRS communication module is interacted with operation back-end data, issues the third state and indicate information.It can be real by state indicator module When communication state displaying.

Further, state indicator module includes the first indicator light, the second indicator light and third indicator light, the first instruction Lamp, the second indicator light and third indicator light are electrically connected with GPRS communication module；First indicator light be used for RS232 module with When GPRS communication module carries out function debugging, issues first state and indicate information；Second indicator light is used in GPRS communication module When connecting with operation background communication, the second status indication information is issued；Third indicator light is used in GPRS communication module and operation When back-end data interaction, issues the third state and indicate information.

Second aspect, the utility model provide a kind of telecommunication system, including remote communication devices and electric power terminal, far Journey communication device includes GPRS communication module and SIM card module, and GPRS communication module is electrically connected with electric power terminal, and GPRS communicates mould Block is connect by SIM card module with operation background communication；GPRS communication module is used to receive the control instruction that operation backstage is sent, And control instruction is converted into the identifiable control instruction of electric power terminal, electric power terminal is sent by the control instruction after conversion, So that electric power terminal carries out program upgrading or feedback status information according to the control instruction after conversion.Compared with prior art, lead to Crossing GPRS communication module and SIM card module can be achieved with electric power terminal and operates the data interaction between backstage, and technical staff can To carry out remote control to electric power terminal by operation backstage, technical staff in severe site environment without operating.Together When, GPRS communication module carries processing function, carries out data processing, remote communication devices design letter without individually increasing processor Single, overall operation is low in energy consumption.

Detailed description of the invention

Fig. 1 is the structural block diagram of telecommunication system provided by the embodiment of the utility model；

Fig. 2 is the structural block diagram of remote communication devices provided by the embodiment of the utility model；

Fig. 3 is the circuit diagram of the GPRS communication module of remote communication devices shown in Fig. 2；

Fig. 4 is the circuit diagram of the SIM card module of remote communication devices shown in Fig. 2；

Fig. 5 is the circuit diagram of the USB module of remote communication devices shown in Fig. 2；

Fig. 6 is the circuit diagram of the voltage transformation module of remote communication devices shown in Fig. 2；

Fig. 7 is the circuit diagram of the RS232 module of remote communication devices shown in Fig. 2；

Fig. 8 is the circuit diagram of the state indicator module of remote communication devices shown in Fig. 2.

Description of symbols:

1- telecommunication system；10- remote communication devices；11-GPRS communication module；12-SIM card module；13-USB mould Block；14- voltage transformation module；15-RS232 module；16- state indicator module；The first driving circuit of 161-；162- second drives Circuit；163- third driving circuit；20- electric power terminal；30- operation backstage；R1- first resistor；R2- second resistance；R3- third Resistance；The 4th resistance of R4-；The 5th resistance of R5-；The 6th resistance of R6-；The 7th resistance of R7-；C1- first capacitor；The second capacitor of C2-； C3- third capacitor；The 4th capacitor of C4-；The first TVS pipe of VD1-；The second TVS pipe of VD2-；JP1-SIM card deck；JX1-USB connects Mouthful；N1- voltage stabilizing chip；N2- communication chip；JP3- communication interface；The first indicator light of HL1-；The second indicator light of HL2-；HL3- Three indicator lights；Q1- first switch tube；Q2- second switch；Q3- third switching tube.

Specific embodiment

It is understandable to enable the above objects, features, and advantages of the utility model to become apparent, with reference to the accompanying drawing to this The specific embodiment of utility model is described in detail.

Fig. 1 is please referred to, is a kind of enforceable structural block diagram of telecommunication system 1 provided in this embodiment.It is long-range logical Letter system 1 includes remote communication devices 10 and electric power terminal 20, and electric power terminal 20 passes through remote communication devices 10 and operation backstage 30 communication connections.

In the present embodiment, after electric power terminal 20 logs in specified main website by remote communication devices 10, technical staff is just It can be remotely operated by the 30 pairs of electric power terminals 20 in operation backstage.So that technical staff be not necessarily to severe site environment into Row operation, it is time saving and energy saving.

It referring to figure 2., is a kind of enforceable structural block diagram of remote communication devices 10 provided in this embodiment.This is long-range Communication device 10 includes GPRS communication module 11 and SIM card module 12, and GPRS communication module 11 is electrically connected with electric power terminal 20, GPRS communication module 11 is communicated to connect by SIM card module 12 and operation backstage 30.

In the present embodiment, GPRS communication module 11 is used to receive the control instruction that operation backstage 30 is sent, and will control Instruction is converted to the identifiable control instruction of electric power terminal 20, sends electric power terminal 20 for the control instruction after conversion, so as to Electric power terminal 20 carries out program upgrading or feedback status information according to the control instruction after conversion.

It is appreciated that GPRS communication module 11, which passes through SIM card module 12, logs in main website, and then realizes and lead to operation backstage 30 Letter connection.After GPRS communication module 11 and operation backstage 30 realize communication connection, GPRS communication module 11 receives operation backstage 30 control instructions sent, and control instruction is formatted, the control instruction that operation backstage 30 can identify is converted to The control instruction that electric power terminal 20 can identify, then electric power terminal 20 is sent by the control instruction that electric power terminal 20 can identify, with Just electric power terminal 20 carries out program upgrading or feedback status information according to the control instruction after conversion.Wherein, operation backstage 30 is sent out The control instruction sent can be upgrading control instruction, and electric power terminal 20 carries out program upgrading according to upgrading control instruction；After operation The control instruction that platform 30 is sent can also be that condition monitoring instructs, and electric power terminal 20 is instructed according to condition monitoring to operation backstage 30 Its status information is fed back, to operate condition monitoring of the backstage 30 according to status information realization to electric power terminal 20.

Further, referring to figure 3. and Fig. 4, GPRS communication module 11 and SIM card module 12 respectively shown in Fig. 2 A kind of enforceable circuit diagram.GPRS communication module 11 includes third data terminal, the 4th data terminal, the 5th data terminal and the Six data terminals, SIM card module 12 include third signal end, fourth signal end, the 5th signal end and the 6th signal end, third data End is electrically connected with third signal end, and the 4th data terminal is electrically connected with fourth signal end, and the 5th data terminal is electrically connected with the 5th signal end It connects, the 6th data terminal is electrically connected with the 6th signal end.

It is appreciated that the third data terminal of GPRS communication module 11 is by the third signal end of SIM card module 12 to SIM card Module 12 is powered, and the 4th data terminal of GPRS communication module 11 is carried out inside SIM card by the fourth signal end of SIM card module 12 Information transmission, the 5th data terminal of GPRS communication module 11 is by the 5th signal end of SIM card module 12 to SIM card module 12 There is provided clock signal, the 6th data terminal of GPRS communication module 11 is by the 6th signal end of SIM card module 12 to SIM card module 12 provide power on reset signal.

In the present embodiment, the EC20R2.1-QuecOpen module that GPRS communication module 11 can be remote using shifting.SIM card Module 12 includes SIM card deck JP1 and SIM card (not shown), after SIM card is inserted into SIM card deck JP1, GPRS communication module 11 It can be communicated to connect by the operation backstage 30 of public network network and main website.

Further, in the present embodiment, SIM card module 12 further includes first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, first capacitor C1, the second capacitor C2 and third capacitor C3, the third of SIM card module 12 Signal end is electrically connected by the 4th resistance R4 with fourth signal end, and third signal end also passes through the 5th resistance R5 and the 5th signal end Electrical connection, the fourth signal end of SIM card module 12 is electrically connected by the 4th data terminal of first resistor R1 and GPRS communication module 11 It connecing, the 5th signal end of SIM card module 12 is electrically connected by second resistance R2 with the 5th data terminal of GPRS communication module 11, 6th signal end of SIM card module 12 is electrically connected by 3rd resistor R3 with the 6th data terminal of GPRS communication module 11, SIM card The third signal end of module 12 is also grounded by first capacitor C1 parallel with one another and the second capacitor C2, and the of SIM card module 12 Six signal ends also pass through third capacitor C3 ground connection.

Further, referring to figure 2., remote communication devices 10 further include USB module 13, and GPRS communication module 11 passes through USB module 13 is electrically connected with electric power terminal 20, is counted between GPRS communication module 11 and electric power terminal 20 by USB module 13 According to interaction, USB module 13 is used to provide the first operating voltage for remote communication devices 10.

In the present embodiment, electric power terminal 20 is not only able to achieve the communication with GPRS communication module 11 by USB module 13, It can also power for remote communication devices 10, additional offer power supply unit be not provided.

It further, referring to figure 5., is a kind of enforceable circuit diagram of USB module 13 shown in Fig. 2.USB mould Block 13 includes USB interface JX1, and USB interface JX1 includes the first signal end and second signal end, and GPRS communication module 11 includes the One data terminal and the second data terminal, the first data terminal are electrically connected with the first signal end, and the second data terminal is electrically connected with second signal end It connects, USB interface JX1 is connect with electric power terminal 20.

It is appreciated that electric power terminal 20 is provided with USB female seat, USB interface JX1 is connect with the USB female seat of electric power terminal 20, Carried out data transmission by the first signal end and second signal end, realizes the number between electric power terminal 20 and GPRS communication module 11 According to interaction.

Further, USB interface JX1 further includes power end, and electric power terminal 20 is mentioned by power end to remote communication module For the first operating voltage.Wherein, the first operating voltage can be 5V DC voltage.

Further, USB module 13 further includes the 6th resistance R6, the 7th resistance R7, the 4th capacitor C4, the first TVS pipe VD1, the second TVS pipe VD2, the first number that the first signal end of USB interface JX1 passes through the 6th resistance R6 and GPRS communication module 11 It is electrically connected according to end, the second signal end of USB interface JX1 passes through the 7th resistance R7 and the second data terminal of GPRS communication module 11 electricity Connection, the first signal end of USB interface JX1 also pass through the first TVS pipe VD1 ground connection, and the second signal end of USB interface JX1 is also logical The second TVS pipe VD2 ground connection is crossed, the power end of USB interface JX1 is grounded by the 4th capacitor C4.

Wherein, the 6th resistance R6 and the 7th resistance R7 plays the role of impedance matching, the first TVS pipe VD1 and the second TVS pipe VD2 plays the role of preventing electrostatic, and the 4th capacitor C4 plays filtering.

Further, in the present embodiment, remote communication devices 10 further include voltage transformation module 14, voltage transformation module 14 are electrically connected with USB module 13, GPRS communication module 11；Voltage transformation module 14 is used to being converted to the first operating voltage into the Two operating voltages, and the second operating voltage is provided to GPRS communication module 11.

It is appreciated that the power end of USB interface JX1 is electrically connected with voltage transformation module 14, voltage transformation module 14 is by USB The first operating voltage decompression that the power end of interface JX1 provides handles to obtain the second operating voltage, and the second operating voltage is provided To GPRS communication module 11.

Further, Fig. 6 is please referred to, is a kind of enforceable circuit diagram of voltage transformation module 14 shown in Fig. 2. Voltage transformation module 14 includes voltage stabilizing chip N1, and voltage stabilizing chip N1 includes voltage input end and voltage output end, voltage input end It is electrically connected with USB module 13, voltage output end is electrically connected with GPRS communication module 11.

It is appreciated that the voltage input end of voltage stabilizing chip N1 is electrically connected with the power end of USB interface JX1, voltage stabilizing chip N1 Voltage input end receive the first operating voltage, to the first operating voltage decompression processing after obtain the second operating voltage, pass through electricity Press output end that the second operating voltage is provided to GPRS communication module 11.

Wherein, voltage stabilizing chip N1 can use AMS3132M voltage stabilizing chip, the first operating voltage that can be 5V by voltage Decompression is the second operating voltage of 4V.

Further, in the present embodiment, remote communication devices 10 further include RS232 module 15, RS232 module 15 with GPRS communication module 11 and a commissioning device are electrically connected；The debugging instruction that RS232 module 15 is used to send commissioning device is sent out It send to GPRS communication module 11, so that commissioning device carries out function debugging to GPRS communication module 11 according to debugging instruction.

Fig. 7 is please referred to, is a kind of enforceable circuit diagram of RS232 module 15.RS232 module 15 includes communication core Piece N2 and communication interface JP3, communication chip N2 and GPRS communication module 11, communication interface JP3 and voltage transformation module 14 electricity Connection, communication interface JP3 are electrically connected by Serial Port Line with commissioning device.Commissioning device passes through communication interface JP3 for debugging instruction It is sent to communication chip N2, debugging instruction is sent to GPRS communication module 11,11 basis of GPRS communication module by communication chip N2 Debugging instruction realizes that function debugging, voltage transformation module 14 are used to the second operating voltage being provided to communication chip N2.

Wherein, communication chip N2 includes the 7th signal end, the 8th signal end, the 9th signal end and the tenth signal end, GPRS Communication module 11 includes the 7th data terminal and the 8th data terminal, the 7th signal end and the GPRS communication module 11 of communication chip N2 The electrical connection of 7th data terminal, the 8th signal end of communication chip N2 are electrically connected with the 8th data terminal of GPRS communication module 11, are led to The 9th signal end and the tenth signal end for believing chip N2 are electrically connected with communication interface JP3.Communication chip N2 passes through the 9th signal End, the tenth signal end and communication interface JP3 realize that the debugging instruction between commissioning device is transmitted, and communication chip N2 passes through the 7th Signal end and the 8th signal end realize that the debugging instruction between GPRS communication module 11 is transmitted.

In the present embodiment, communication chip N2 can use SP3232EEN chip, and communication interface JP3 can use PS/2 Interface.

Further, in the present embodiment, remote communication devices 10 further include state indicator module 16, state indicator module 16 are electrically connected with GPRS communication module 11；State indicator module 16 is used to carry out in RS232 module 15 and GPRS communication module 11 When function debugging, issues first state and indicate information；It is also used to when GPRS communication module 11 and operation backstage 30 communicate to connect, Issue the second status indication information；It is also used to issue third shape in 30 data interaction of GPRS communication module 11 and operation backstage State indicates information.

In the present embodiment, state indicator module 16 is also electrically connected with voltage transformation module 14, and voltage transformation module 14 is used In the second operating voltage is provided to state indicator module 16, to provide voltage needed for work for state indicator module 16.

Further, Fig. 8 is please referred to, is a kind of enforceable circuit diagram of state indicator module 16.State instruction mould Block 16 includes the first indicator light HL1, the second indicator light HL2 and third indicator light HL3, the first indicator light HL1, the second indicator light HL2 and third indicator light HL3 are electrically connected with GPRS communication module 11；First indicator light HL1 be used for RS232 module 15 with When GPRS communication module 11 carries out function debugging, issues first state and indicate information；Second indicator light HL2 is used to communicate in GPRS When module 11 and operation backstage 30 communicate to connect, the second status indication information is issued；Third indicator light HL3 is used to communicate in GPRS When 30 data interaction of module 11 and operation backstage, issues the third state and indicate information.

Further, state indicator module 16 further includes that the first driving circuit 161, the second driving circuit 162 and third are driven Dynamic circuit 163, the first driving circuit 161 include first switch tube Q1, and the second driving circuit 162 includes second switch Q2, the Three driving circuits 163 include that third switching tube Q3, GPRS communication module 11 further includes the 9th data terminal, the tenth data terminal and the tenth One data terminal.Voltage of the anode of first indicator light HL1, the second indicator light HL2 and third indicator light HL3 with voltage stabilizing chip N1 Output end electrical connection, the cathode of the first indicator light HL1 are electrically connected with the first pin of first switch tube Q1, the second indicator light HL2 Cathode be electrically connected with the first pin of second switch Q2, the first of the cathode of third indicator light HL3 and third switching tube Q3 Pin electrical connection, the second pin of first switch tube Q1 are electrically connected with the 9th data terminal of GPRS communication module 11, second switch The second pin of pipe Q2 is electrically connected with the tenth data terminal of GPRS communication module 11, the second pin and GPRS of third switching tube Q3 11st data terminal of communication module 11 is electrically connected, the third pin of the third pin of first switch tube Q1, second switch Q2 It is grounded with the third pin of third switching tube Q3.

It is appreciated that when RS232 module 15 and GPRS communication module 11 carry out function debugging, GPRS communication module 11 9th data terminal exports high level (for example, 4V) to the second pin of first switch tube Q1, and first switch tube Q1 is obtaining high electricity After flat, be connected between the first pin and third pin of first switch tube Q1, the first indicator light HL1 can then issue first state and refer to Show information；When GPRS communication module 11 and operation backstage 30 communicate to connect, the tenth data terminal of GPRS communication module 11 is to the The second pin of two switching tube Q2 exports high level (for example, 4V), and second switch Q2 is after obtaining high level, second switch It is connected between the first pin and third pin of Q2, the second indicator light HL2 can then issue the second status indication information；It is logical in GPRS When believing 30 data interaction of module 11 and operation backstage, the 11st data terminal of GPRS communication module 11 to third switching tube Q3 the Two pins export high level (for example, 4V), third switching tube Q3 after obtaining high level, the first pin of third switching tube Q3 and It is connected between third pin, third indicator light HL3 can then issue third state instruction information.Wherein, first state indicates information It can be red light information, the second status information may be red light information, and third state information can be green light Optical information.

In the present embodiment, first switch tube Q1, second switch Q2 and third switching tube Q3 all can be triode, The first pin of one switching tube Q1, the first pin of second switch Q2, third switching tube Q3 the first pin be triode Collector, the second pin of first switch tube Q1, the second pin of second switch Q2, the second pin of third switching tube Q3 It is the base stage of triode, the third pin of first switch tube Q1, the third pin of second switch Q2, third switching tube Q3 Third pin is the emitter of triode.

Further, in the present embodiment, state indicator module 16 can also issue first state using lattice lcd and refer to Show information, the second status indication information and third state instruction information, it is not limited to above-mentioned the first indicator light HL1, second Indicator light HL2 and third indicator light HL3.

In the present embodiment, electric power terminal 20 is additionally provided with far module, which includes SIM card, electric power terminal 20 can be communicated by far module with the realization of power office's client, and the electric power data of electric power terminal 20 is passed through SIM card and is sent To power office's client.

In conclusion telecommunication system provided by the embodiment of the utility model includes that remote communication devices and electric power are whole End, remote communication devices include GPRS communication module and SIM card module, and GPRS communication module is electrically connected with electric power terminal, GPRS Communication module is connect by SIM card module with operation background communication；GPRS communication module is used to receive the control that operation backstage is sent System instruction, and control instruction is converted into the identifiable control instruction of electric power terminal, electricity is sent by the control instruction after conversion Power terminal, so that electric power terminal carries out program upgrading or feedback status information according to the control instruction after conversion.With the prior art It compares, electric power terminal can be achieved with by GPRS communication module and SIM card module and operates the data interaction between backstage, technology Personnel can carry out remote control to electric power terminal by operation backstage, and technical staff in severe site environment without grasping Make.Meanwhile GPRS communication module carries processing function, carries out data processing, remote communication devices without individually increasing processor Design is simple, and overall operation is low in energy consumption.

Although the utility model discloses as above, the utility model is not limited to this.Anyone skilled in the art, In It does not depart from the spirit and scope of the utility model, can make various changes or modifications, therefore the protection scope of the utility model It should be defined by the scope defined by the claims..

Claims (10)

1. a kind of remote communication devices, which is characterized in that including GPRS communication module and SIM card module, the GPRS communicates mould Block is electrically connected with electric power terminal, and the GPRS communication module is connect by the SIM card module with operation background communication；

The GPRS communication module is used to receive the control instruction that the operation backstage is sent, and the control instruction is converted to The identifiable control instruction of electric power terminal, sends the electric power terminal for the control instruction after conversion, so as to the electricity Power terminal carries out program upgrading or feedback status information according to the control instruction after the conversion.

2. remote communication devices according to claim 1, which is characterized in that the remote communication devices further include USB mould Block, the GPRS communication module are electrically connected by the USB module with the electric power terminal, the GPRS communication module with it is described Data interaction is carried out by the USB module between electric power terminal；

The USB module is used to provide the first operating voltage for the remote communication devices.

3. remote communication devices according to claim 2, which is characterized in that the GPRS communication module includes the first data End and the second data terminal, the USB module includes USB interface, and the USB interface includes the first signal end and second signal end, First data terminal is electrically connected with first signal end, and second data terminal is electrically connected with the second signal end, institute USB interface is stated to connect with the electric power terminal.

4. remote communication devices according to claim 2, which is characterized in that the remote communication devices further include that voltage turns Block is changed the mold, the voltage transformation module is electrically connected with the USB module, the GPRS communication module；

The voltage transformation module is used to first operating voltage being converted to the second operating voltage, and described second is worked Voltage is provided to the GPRS communication module.

5. remote communication devices according to claim 4, which is characterized in that the voltage transformation module includes pressure stabilizing core Piece, the voltage stabilizing chip include voltage input end and voltage output end, and the voltage input end is electrically connected with the USB module, The voltage output end is electrically connected with the GPRS communication module.

6. remote communication devices according to claim 1, which is characterized in that the GPRS communication module includes third data End, the 4th data terminal, the 5th data terminal and the 6th data terminal, the SIM card module include third signal end, fourth signal end, 5th signal end and the 6th signal end, the third data terminal are electrically connected with the third signal end, the 4th data terminal with The fourth signal end electrical connection, the 5th data terminal are electrically connected with the 5th signal end, the 6th data terminal and institute State the electrical connection of the 6th signal end.

7. remote communication devices according to claim 1, which is characterized in that the remote communication devices further include RS232 Module, the RS232 module are electrically connected with the GPRS communication module and a commissioning device；

The RS232 module is used to the debugging instruction that the commissioning device is sent being sent to the GPRS communication module, so as to The commissioning device carries out function debugging to the GPRS communication module according to the debugging instruction.

8. remote communication devices according to claim 7, which is characterized in that the remote communication devices further include that state refers to Show module, the state indicator module is electrically connected with the GPRS communication module；

The state indicator module is used to issue when the RS232 module and the GPRS communication module carry out function debugging First state indicates information；It is also used to when the GPRS communication module is connect with the operation background communication, issues the second shape State indicates information；It is also used to when the GPRS communication module is interacted with the operation back-end data, issues third state instruction Information.

9. remote communication devices according to claim 8, which is characterized in that the state indicator module includes the first instruction Lamp, the second indicator light and third indicator light, first indicator light, second indicator light and the third indicator light are and institute State the electrical connection of GPRS communication module；

First indicator light is used for when the RS232 module and the GPRS communication module carry out function debugging, issues the One status indication information；

Second indicator light is used for when the GPRS communication module is connect with the operation background communication, issues the second state Indicate information；

The third indicator light is used for when the GPRS communication module is interacted with the operation back-end data, issues the third state Indicate information.

10. a kind of telecommunication system, which is characterized in that including remote communication devices and electric power terminal, the telecommunication dress It sets including GPRS communication module and SIM card module, the GPRS communication module is electrically connected with the electric power terminal, and the GPRS is logical Letter module is connect by the SIM card module with operation background communication；

The GPRS communication module is used to receive the control instruction that the operation backstage is sent, and the control instruction is converted to The identifiable control instruction of electric power terminal, sends the electric power terminal for the control instruction after conversion, so as to the electricity Power terminal carries out program upgrading or feedback status information according to the control instruction after the conversion.