CN215499394U - Distributed deployment scheduling communication equipment circuit - Google Patents
Distributed deployment scheduling communication equipment circuit Download PDFInfo
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- CN215499394U CN215499394U CN202121240948.6U CN202121240948U CN215499394U CN 215499394 U CN215499394 U CN 215499394U CN 202121240948 U CN202121240948 U CN 202121240948U CN 215499394 U CN215499394 U CN 215499394U
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Abstract
The utility model provides a distributed deployment scheduling communication equipment circuit which comprises a main control module, a PC communication interface module, a power supply voltage module for providing required power supply voltage for each module, a TETRA vehicle station communication interface module for accessing a private network cluster frequency band, a first gateway communication interface module for receiving gateway data signals and sending the gateway data signals to the main control module, a second gateway communication interface module for sending the gateway data signals in the main control module to the TETRA vehicle station communication interface module and receiving gateway control signals and sending the gateway control signals to the main control module, and a switch control module for controlling the start or the close of the TETRA vehicle station. The dispatching communication equipment circuit with distributed deployment solves the problems that distributed communication deployment and management are difficult to realize due to the fact that most of existing communication equipment is high in construction cost, and voice communication between a vehicle platform and an external network user is low in smoothness and high in call drop rate.
Description
Technical Field
The utility model relates to the technical field of electronic circuits, in particular to a distributed deployment scheduling communication equipment circuit.
Background
At present, communication equipment is mostly required to be established as a bridge in safe seamless data communication between the conventional vehicle platform and an external network user, but in practice, the fact that the conventional communication equipment is mostly high in construction cost, distributed communication deployment and management are difficult to realize, voice call smoothness is not high, call drop rate is high, and the external network user cannot acquire communication information of the vehicle platform in real time is found.
Therefore, it is desirable to provide a distributed deployment of scheduled communication device circuits to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing a distributed dispatching communication equipment circuit, solves the problem that distributed communication deployment and management are difficult to realize due to large construction cost of most of the existing communication equipment, and solves the problems that voice communication between a vehicle platform and an external network user is low in smoothness, high in call drop rate and incapable of enabling the external network user to obtain communication information of the vehicle platform in real time.
In order to solve the technical problems, one technical scheme adopted by the utility model is to provide a distributed deployment scheduling communication equipment circuit, which comprises a main control module 1, a PC communication interface module 7, a power supply voltage module 2 for providing required power supply voltage for each module, a TETRA vehicle station communication interface module 3 for accessing a private network cluster frequency band, a first gateway communication interface module 4 for receiving gateway data signals and sending the gateway data signals to the main control module 1, a second gateway communication interface module 5 for sending the gateway data signals in the main control module 1 to the TETRA vehicle station communication interface module 3 and receiving gateway control signals and sending the gateway control signals to the main control module 1, and a switch control module 6 for controlling the start or the close of the TETRA vehicle station;
the PC communication interface module 7 is electrically connected with the main control module 1, the switch control module 6 is electrically connected between the main control module 1 and the TETRA vehicle platform communication interface module 3, the second gateway communication interface module 5 is electrically connected with the TETRA vehicle platform communication interface module 3, a control signal receiving end of the TETRA vehicle platform communication interface module 3 is electrically connected with the main control module 1, and a control signal receiving end of the main control module 1 is electrically connected with the second gateway communication interface module 5.
In the examples, it is preferred that:
the power supply voltage module 2 is internally provided with a first power supply circuit 21 for adjusting an external high-voltage power supply into a low-voltage power supply to be output and a second power supply circuit 22 for adjusting the low-voltage power supply into a power supply voltage required by each module.
In the examples, it is preferred that:
the PC communication interface module 7 is internally provided with a USB communication interface circuit 71 and a drive conversion chip circuit 72 for converting a computer communication level TTL and a single chip microcomputer communication level CMOS, the USB communication interface circuit 71 is electrically connected with the drive conversion chip circuit 72, and the drive conversion chip circuit 72 is electrically connected with the main control module 1.
In the examples, it is preferred that:
be equipped with N type MOS pipe Q1 in the switch control module 6, the control signal input end electricity of N type MOS pipe Q1 is connected main control module 1, the signal output part electricity of N type MOS pipe Q1 is connected TETRA platform communication interface module 3, the source ground connection of N type MOS pipe Q1.
In the examples, it is preferred that:
the main control module 1 is internally provided with a single chip microcomputer chip circuit 11, a capacitance filter circuit 12, a programming interface circuit 13 and a vehicle platform communication test circuit 14, the vehicle platform communication test circuit 14 is electrically connected between the single chip microcomputer chip circuit 11 and the junction of the TETRA vehicle platform communication interface module 3, the switch control module 6 is electrically connected between the single chip microcomputer chip circuit 11 and the TETRA vehicle platform communication interface module 3, and the single chip microcomputer chip circuit 11 is respectively and electrically connected with the capacitance filter circuit 12, the programming interface circuit 13, the TETRA vehicle platform communication interface module 3, the first gateway communication interface module 4, the second gateway communication interface module 5 and the PC communication interface module 7.
The utility model has the beneficial effects that: the dispatching communication equipment circuit with distributed deployment solves the problems that distributed communication deployment and management are difficult to realize due to the fact that most of existing communication equipment is high in construction cost, and solves the problems that voice communication between a vehicle platform and an external network user is low in smoothness, high in call drop rate and incapable of enabling the external network user to obtain communication information of the vehicle platform in real time.
Drawings
FIG. 1 is a schematic block diagram of the circuit architecture of a discretely deployed dispatch communications device circuit of the present invention;
FIG. 2 is a schematic diagram of a circuit configuration of the master control module shown in FIG. 1;
FIG. 3 is a schematic diagram of the circuit configuration of the power supply voltage module shown in FIG. 1;
fig. 4 is a schematic circuit configuration diagram of the TETRA vehicle mount communication interface module shown in fig. 1;
fig. 5 is a schematic circuit configuration diagram of the first gateway communication interface module shown in fig. 1;
fig. 6 is a schematic circuit configuration diagram of the second gateway communication interface module shown in fig. 1;
FIG. 7 is a schematic circuit diagram of the switch control module shown in FIG. 1;
fig. 8 is a schematic circuit configuration diagram of the PC communication interface module shown in fig. 1.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the drawings.
Referring to fig. 1, the distributed deployment scheduling communication device circuit of this embodiment includes a main control module 1, a PC communication interface module 7, a power supply voltage module 2 for providing a required power supply voltage for each module, a TETRA vehicle station communication interface module 3 for accessing a private network cluster frequency band, a first gateway communication interface module 4 for receiving a gateway data signal and sending the gateway data signal to the main control module 1, a second gateway communication interface module 5 for sending the gateway data signal in the main control module 1 to the TETRA vehicle station communication interface module 3 and receiving a gateway control signal and sending the gateway control signal to the main control module 1, and a switch control module 6 for controlling the start or the stop of the TETRA vehicle station;
wherein, PC communication interface module 7 electricity is connected host system 1, and switch control module 6 electricity is connected between host system 1 and TETRA car platform communication interface module 3, and TETRA car platform communication interface module 3 is connected to second gateway communication interface module 5 electricity, and host system 1 is connected to the control signal receiving terminal electricity of TETRA car platform communication interface module 3, and second gateway communication interface module 5 is connected to host system 1's control signal receiving terminal electricity.
In this embodiment, when the main control module 1 receives the call reminder or the on-hook of the TETRA vehicle, the main control module 1 may notify the second gateway communication interface module 5 to answer the voice of the TETRA vehicle or to take up the line;
and when the gateway has voice to be issued, the second gateway communication interface module 5 can inform the main control module 1 through the PTT pin, and after the main control module 1 detects the state of the PTT pin, the TETRA vehicle platform dialing connection can be controlled to receive the voice, and the PC communication interface module 7 can be connected with the main control module 1 to monitor the vehicle platform information in real time.
In this embodiment, the TETRA car-station communication interface module 3 is accessed to a designated private network cluster frequency band, the first gateway communication interface module 4 and the second gateway communication interface module 5 are accessed to a designated public network PoC group, and as the TETRA car-station and the gateway are deployed in a designated place (including but not limited to a car), the frequency band of the private network cluster and users in the public network group can automatically adjust and select the car-station designated frequency band (packet) to be communicated to communicate with the designated packet in the PoC system gateway according to actual conditions, thereby realizing distributed deployment.
Preferably, the main control module 1 is connected with the first gateway communication interface module 4, the second gateway communication interface module 5 and the TETRA vehicle station communication interface module 3, a serial communication mode is used, and the main control module 1 can monitor TETRA vehicle station information by using an AT command special for the TETRA vehicle station so as to forward the TETRA vehicle station information to the gateway.
Preferably, if the frequency band of the private network cluster accessed by the TETRA vehicle-mounted communication interface module 3 is changed, the public network PoC group accessed by the first gateway communication interface module 4 and the second gateway communication interface module 5 is also changed to realize continuous communication.
Preferably, the second gateway communication interface module 5 may receive a signal returned by the TETRA vehicle after sending the gateway data signal in the main control module 1 to the TETRA vehicle communication interface module 3, and may forward the data to the server, and the server may forward the data to the PoC user through the extranet gateway.
Preferably, when the gateway has data to send to the vehicle, the second gateway communication interface module 5 notifies the main control module 1 along the PPT line, and after receiving the data, the main control module 1 may send an AT command to the vehicle to notify the vehicle to receive the data of the gateway.
Preferably, when the PTT + state changes to a low level, the main control module 1 may be triggered to send an AT command to the vehicle station to notify the vehicle station of receiving data of the gateway.
Preferably, if the gateway communication data and the gateway control signal are directly received and transmitted to the chip and the vehicle platform through one gateway communication interface module, the phenomena of call loss and time delay are easy to occur.
Referring to fig. 2, in the embodiment of the present invention, it is preferable that:
be equipped with singlechip chip circuit 11 in the major control module 1, electric capacity filter circuit 12, programming interface circuit 13 and car platform communication test circuit 14, car platform communication test circuit 14 electricity is connected between the junction of singlechip chip circuit 11 and TETRA car platform communication interface module 3, switch control module 6 electricity is connected between singlechip chip circuit 11 and TETRA car platform communication interface module 3, electric capacity filter circuit 12, programming interface circuit 13, TETRA car platform communication interface module 3, first gateway communication interface module 4, second gateway communication interface module 5 and PC communication interface module 7 are connected to singlechip chip circuit 11 electricity respectively.
In this embodiment, the one-chip microcomputer chip circuit 11 may output an AT instruction signal as a control signal to the TETRA vehicle station communication interface module 3 through UART2 TX and UART2 RX pins to control the TETRA vehicle station communication interface module 3 to receive a gateway data signal.
Referring to fig. 3, in the embodiment of the present invention, it is preferable that:
the power supply voltage module 2 is provided with a first power supply circuit 21 for adjusting an external high voltage power supply to a low voltage power supply for output and a second power supply circuit 22 for adjusting the low voltage power supply to a power supply voltage required by each module.
In this embodiment, the first power supply circuit 21 and the second power supply circuit 22 may form a power supply, since the power supply voltage of the whole system is 3.3V and the external power supply is 12V, if only the first power supply circuit 21 or the second power supply circuit 22 is used for voltage reduction, the voltage difference is too large, which easily causes the load of the following circuit to be too high, and the linear voltage stabilization chip in the first power supply circuit 21 or the second power supply circuit 22 is very hot or damaged, so the present invention adopts two sets of voltage stabilization circuit, the 12V power supply is firstly stabilized to 5V through the first power supply circuit 21, and then the 5V power supply is stabilized to 3.3V through the second power supply circuit 22 to provide the required power supply voltage for each module.
Referring to fig. 7, in the embodiment of the present invention, it is preferable that:
an N-type MOS tube Q1 is arranged in the switch control module 6, the control signal input end of the N-type MOS tube Q1 is electrically connected with the main control module 1, the signal output end of the N-type MOS tube Q1 is electrically connected with the TETRA vehicle station communication interface module 3, and the source electrode of the N-type MOS tube Q1 is grounded.
Preferably, the start or the close of the vehicle platform can be controlled through the change of the interface state of the N-type MOS tube Q1.
Referring to fig. 8, in the embodiment of the present invention, it is preferable that:
the PC communication interface module 7 is internally provided with a USB communication interface circuit 71 and a drive conversion chip circuit 72 for converting a computer communication level TTL and a singlechip communication level CMOS, the USB communication interface circuit 71 is electrically connected with the drive conversion chip circuit 72, and the drive conversion chip circuit 72 is electrically connected with the main control module 1.
It can be seen that the scheduling communication device circuit implementing the distributed deployment described in fig. 1 to fig. 8 solves the problem that distributed communication deployment and management are difficult to implement due to large construction cost of most existing communication devices, and solves the problems that voice communication between the vehicle platform and an external network user is not smooth, call drop rate is high, and the external network user cannot obtain communication information of the vehicle platform in real time.
In addition, the dispatching communication device circuit implementing the decentralized deployment described in fig. 1 to fig. 8 has the advantages of clear voice communication, small delay, low call drop rate, high call success rate, accurate voice transceiving control and low call drop rate.
In addition, the dispatching communication equipment circuit implementing the distributed deployment described in fig. 1 to fig. 8 can accurately identify the incoming call and the on-hook operation by using the AT command control, thereby avoiding the wheat robbing situation.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. A discretely-deployed dispatch communications device circuit, characterized by: the system comprises a main control module (1), a PC communication interface module (7), a power supply voltage module (2) for providing required power supply voltage for each module, a TETRA vehicle station communication interface module (3) for accessing a private network cluster frequency band, a first gateway communication interface module (4) for receiving gateway data signals and sending the gateway data signals to the main control module (1), a second gateway communication interface module (5) for sending the gateway data signals in the main control module (1) to the TETRA vehicle station communication interface module (3), receiving gateway control signals and sending the gateway control signals to the main control module (1), and a switch control module (6) for controlling the start or the close of the TETRA vehicle station;
wherein PC communication interface module (7) electricity is connected host system (1), switch control module (6) electricity connect in host system (1) with between TETRA car platform communication interface module (3), second gateway communication interface module (5) electricity is connected TETRA car platform communication interface module (3), the control signal receiving terminal electricity of TETRA car platform communication interface module (3) is connected host system (1), the control signal receiving terminal electricity of host system (1) is connected second gateway communication interface module (5).
2. The de-centralized deployed dispatch communication device circuit of claim 1, wherein:
and a first power supply circuit (21) for adjusting an external high-voltage power supply into a low-voltage power supply to be output and a second power supply circuit (22) for adjusting the low-voltage power supply into power supply voltage required by each module are arranged in the power supply voltage module (2).
3. The de-centralized deployed dispatch communication device circuit of claim 1, wherein:
the PC communication interface module (7) is internally provided with a USB communication interface circuit (71) and a drive conversion chip circuit (72) for converting a computer communication level TTL and a singlechip communication level CMOS, the USB communication interface circuit (71) is electrically connected with the drive conversion chip circuit (72), and the drive conversion chip circuit (72) is electrically connected with the main control module (1).
4. The de-centralized deployed dispatch communication device circuit of claim 1, wherein:
be equipped with N type MOS pipe Q1 in switch control module (6), N type MOS pipe Q1's control signal input passes through resistance R3 and connects electrically master control module (1), N type MOS pipe Q1's signal output part passes through resistance R11 electricity and connects TETRA platform communication interface module (3), N type MOS pipe Q1's source ground connection, N type MOS pipe Q1's control signal input part with be connected with resistance R4 between N type MOS pipe Q1's the source electricity, N type MOS pipe Q1's signal output with be connected with resistance R5 and resistance R7 between N type MOS pipe Q1's the control signal input part electrically.
5. A dispatched communication device circuit for decentralized deployment according to any of claims 1-4, wherein:
the main control module (1) is internally provided with a single chip microcomputer chip circuit (11), a capacitance filter circuit (12), a programming interface circuit (13) and a vehicle platform communication test circuit (14), the vehicle platform communication test circuit (14) is electrically connected between the single chip microcomputer chip circuit (11) and a junction of the TETRA vehicle platform communication interface module (3), the switch control module (6) is electrically connected between the single chip microcomputer chip circuit (11) and the TETRA vehicle platform communication interface module (3), the single chip microcomputer chip circuit (11) is respectively and electrically connected with the capacitance filter circuit (12), the programming interface circuit (13), the TETRA vehicle platform communication interface module (3), the first gateway communication interface module (4), the second gateway communication interface module (5) and the PC communication interface module (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121240948.6U CN215499394U (en) | 2021-06-03 | 2021-06-03 | Distributed deployment scheduling communication equipment circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121240948.6U CN215499394U (en) | 2021-06-03 | 2021-06-03 | Distributed deployment scheduling communication equipment circuit |
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| Publication Number | Publication Date |
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| CN215499394U true CN215499394U (en) | 2022-01-11 |
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| CN202121240948.6U Active CN215499394U (en) | 2021-06-03 | 2021-06-03 | Distributed deployment scheduling communication equipment circuit |
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| CN (1) | CN215499394U (en) |
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2021
- 2021-06-03 CN CN202121240948.6U patent/CN215499394U/en active Active
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