CN210270169U - Beidou positioning communication terminal with Bluetooth box - Google Patents
Beidou positioning communication terminal with Bluetooth box Download PDFInfo
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- CN210270169U CN210270169U CN201920351609.1U CN201920351609U CN210270169U CN 210270169 U CN210270169 U CN 210270169U CN 201920351609 U CN201920351609 U CN 201920351609U CN 210270169 U CN210270169 U CN 210270169U
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Abstract
The utility model discloses a big dipper location communication terminal with bluetooth box belongs to location communication technical field, including big dipper location communication terminal and bluetooth box, big dipper location communication terminal includes positioning circuit, big dipper communication circuit, big dipper control circuit, serial ports transmission circuit 1, power management circuit and start circuit, big dipper control circuit and serial ports transmission circuit 1, positioning circuit and big dipper communication circuit carry out the data interaction, power management circuit and big dipper control circuit, positioning circuit and big dipper communication circuit electric connection. The utility model discloses big dipper location communication terminal passes through the mode and the bluetooth box of cable and is connected and the cooperation is used, not only can obtain good satellite signal, can also make the user realize the receipt and the sending of big dipper information through the application software on the smart machine in indoor or the car, and the bluetooth box can also play the short message received through voice broadcast's mode simultaneously, has made things convenient for user's use greatly.
Description
Technical Field
The utility model relates to a location communication terminal especially relates to a big dipper location communication terminal with bluetooth box, belongs to location communication technical field.
Background
At present in the area that does not have the cell-phone signal, such as unmanned area, natural reserve, desert, marine etc. the area is extensive and rare, can not erect the cell-phone basic station, or in some areas that lead to the basic station to damage because of geological disasters, all can't carry out communication through mobile communication network and contact, adopt satellite phone and external world to contact usually, but satellite phone communication expense is high, and is bulky, with high costs, be unfavorable for marketing, especially to the communication scene of short message, satellite phone is the most suitable solution.
The Beidou satellite system innovatively integrates navigation and communication capabilities, not only has a real-time positioning navigation function, but also can realize short message communication service. The Beidou short message realizes two-way short digital message communication between users and between the users and a central control system by means of a Beidou satellite, can release information of 120 Chinese characters at most, and can carry out mutual communication of short messages by means of a short message communication function of a Beidou satellite navigation system in an area which cannot be covered by mobile phone signals.
The Beidou satellite short message function is also very suitable for narrowband and low-frequency Internet of things application, such as position monitoring of personnel and vehicles.
Because big dipper satellite communication needs the antenna at big dipper terminal to aim at the satellite operation, in indoor or car, the satellite signal all can be sheltered from, leads to present big dipper terminal all to need outdoor or outdoor operation, and is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a big dipper location communication terminal with bluetooth box, big dipper location communication terminal passes through the mode and the bluetooth box of cable and is connected and the cooperation is used, not only can obtain good satellite signal, can also make the user realize the receipt and the sending of big dipper information indoor or the interior application software that passes through on the smart machine of car, the bluetooth box can also play the short message received through voice broadcast's mode simultaneously, user's use has been made things convenient for greatly.
The purpose of the utility model can be achieved by adopting the following technical scheme:
a Beidou positioning communication terminal with a Bluetooth box comprises the Beidou positioning communication terminal and the Bluetooth box;
big dipper location communication terminal includes positioning circuit, big dipper communication circuit, big dipper control circuit, serial ports transmission circuit 1, power management circuit and start circuit, big dipper control circuit with serial ports transmission circuit 1, positioning circuit and big dipper communication circuit carry out the data interaction, power management circuit with big dipper control circuit positioning circuit with big dipper communication circuit electric connection:
the bluetooth box includes bluetooth box control circuit, serial ports transmission circuit 2, bluetooth circuit and voice broadcast circuit, bluetooth box control circuit with serial ports transmission circuit 2 bluetooth circuit with the voice broadcast circuit carries out the data interaction:
and the Beidou positioning communication terminal is connected with the Bluetooth box serial port.
Preferably, the positioning circuit is used for positioning through a multi-satellite combination of a Beidou satellite system, a GPS satellite system, a Glonass navigation satellite system and a Galileo navigation satellite system, the positioning circuit receives satellite signals through a satellite antenna, and the positioning circuit sends to a single chip microcomputer in the Beidou control circuit through a serial port.
Preferably, the Beidou control circuit is connected with the Beidou communication circuit through a serial port.
Preferably, the serial port transmission circuit 1 and the serial port transmission circuit 2 both adopt a serial port communication mode to enable the Beidou terminal to be connected with the Bluetooth box, and the transmission circuit adopts RS-232 or/and RS-485 standard interfaces.
Preferably, a lithium battery is arranged in the power management circuit, the power management circuit performs charging management on the lithium battery, and the power management circuit is electrically connected with the selection switch.
Preferably, the instruction that cell-phone application software sent is sent to the bluetooth box through the bluetooth, bluetooth connecting circuit is used for pairing the use with smart machine, be equipped with the switch setting on the voice broadcast circuit.
The utility model has the advantages of: the Beidou positioning communication terminal is connected with the Bluetooth box in a cable mode and is matched with the Bluetooth box for use, good satellite signals can be obtained, a user can also receive and send Beidou information indoors or in a vehicle through application software on intelligent equipment, meanwhile, the Bluetooth box can also play received short messages in a voice broadcasting mode, and great convenience is brought to the user.
Drawings
Fig. 1 is an overall block diagram of a preferred embodiment of a beidou positioning communication terminal with a bluetooth box according to the present invention;
fig. 2 is a block diagram of a Beidou terminal according to a preferred embodiment of the Beidou positioning communication terminal with the Bluetooth box of the present invention;
fig. 3 is a bluetooth box block diagram of a preferred embodiment of a beidou positioning communication terminal with a bluetooth box according to the present invention;
fig. 4 is a satellite positioning circuit diagram of a preferred embodiment of a beidou positioning communication terminal with a bluetooth box according to the present invention;
FIG. 5 is a Beidou communication circuit diagram of a preferred embodiment of a Beidou positioning communication terminal with a Bluetooth box according to the present invention;
figure 6 is according to the utility model discloses a big dipper control circuit flow chart of a preferred embodiment of big dipper location communication terminal with bluetooth box:
figure 7 is according to the utility model discloses a big dipper location communication terminal's a preferred embodiment's power management circuit diagram with bluetooth box:
figure 8 is according to the utility model discloses a big dipper location communication terminal's a preferred embodiment's start circuit with bluetooth box picture:
figure 9 is according to the utility model discloses a big dipper location communication terminal's a preferred embodiment's voice broadcast circuit diagram with bluetooth box.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1 to 9, the beidou positioning communication terminal with the bluetooth box provided in this embodiment includes a beidou positioning communication terminal and a bluetooth box, the beidou positioning communication terminal implements functions of satellite positioning, beidou short message communication, automatic position reporting, and the like, and the bluetooth box implements functions of bluetooth connection, voice broadcasting, and the like;
big dipper location communication terminal includes positioning circuit, big dipper communication circuit, big dipper control circuit, serial ports transmission circuit 1, power management circuit and start circuit, big dipper control circuit and serial ports transmission circuit 1, positioning circuit and big dipper communication circuit carry out the data interaction, realize the position and report, short message communication, power management circuit and big dipper control circuit, positioning circuit and big dipper communication circuit electric connection, big dipper control circuit is as the core master control circuit of big dipper terminal part, control the operating condition of each circuit:
the bluetooth box includes bluetooth box control circuit, serial ports transmission circuit 2, bluetooth circuit and voice broadcast circuit, and bluetooth box control circuit carries out the data interaction with serial ports transmission circuit 2, bluetooth circuit and voice broadcast circuit:
and the Beidou positioning communication terminal is connected with a serial port of the Bluetooth box.
In this embodiment, as shown in fig. 2 and 4, the positioning circuit performs positioning through a multi-satellite combination of a beidou satellite system, a GPS satellite system, a glonass navigation satellite system, and a galileo navigation satellite system, receives satellite signals through a satellite antenna, amplifies the satellite signals through a first-stage low noise amplifier, sends the amplified signals to a band-pass filter for filtering, sends the filtered signals to a satellite positioning receiver, performs down-conversion of radio frequency signals to intermediate frequency signals, demodulates and decodes the intermediate frequency signals, calculates satellite information and longitude and latitude information, outputs the satellite information and longitude and latitude information through a serial port, and sends the positioning circuit to a single chip microcomputer in the beidou control circuit through the serial port.
In this embodiment, as shown in fig. 2, 5 and 6, the big dipper control circuit is connected with the big dipper communication circuit through the serial ports, and the big dipper communication circuit is composed of three parts: the device comprises a radio frequency receiving circuit, a radio frequency transmitting circuit and a baseband processing circuit. The radio frequency receiving circuit receives Beidou satellite signals through a receiving antenna, performs signal amplification through a low noise amplifier, performs band-pass filtering through a filter, sends the signals to a down converter for frequency conversion to generate analog intermediate frequency signals, amplifies the signals through an intermediate frequency variable gain amplifier, sends the signals to an analog-to-digital conversion circuit after filtering through an intermediate frequency filter, generates digital signals, sends the digital signals to a baseband processing circuit for baseband processing, and outputs received Beidou position reporting information. Radio frequency emission circuit carries out the up-conversion by the up-converter to the information that the baseband will be sent, produce radio frequency modulation signal, carry out gain adjustment through radio frequency variable gain amplifier and amplify, produce stable radio frequency signal, carry out the amplification of last level by power amplifier, via the wave filter filtering, send to big dipper transmitting antenna and launch away, big dipper control circuit adopts embedded treater as core master control circuit, be connected with each circuit through the serial ports, big dipper control circuit is including opening the door dog circuit simultaneously, it is unusual when the treater appears, when not sending the dog signal to the watchdog circuit, the treater can be restarted to the watchdog circuit, carry out the terminal restart, all functions at big dipper terminal have the treater to control, the basic function contains: and (3) outputting position information, the two-way communication of the Beidou short message and the automatic position report to the Bluetooth box by satellite positioning, initializing each circuit after starting the device, and waiting for the state of each circuit. If the positioning circuit is successfully positioned, the processor sends the position information to the Bluetooth box, next step, whether position reporting is needed is judged, and if so, a position reporting function is started. If the Beidou short message is received, the processor immediately sends the short message to the Bluetooth box. And if the Beidou short message transmitting instruction is received, the Beidou transmitting function is started.
In this embodiment, as shown in fig. 2 and 3, the serial port transmission circuit 1 and the serial port transmission circuit 2 both adopt a serial port communication mode to connect the big dipper terminal thereof with the bluetooth box, and the transmission circuit adopts RS-232 or/and RS-485 standard interfaces.
In this embodiment, as shown in fig. 2 and 7, a lithium battery is disposed in the power management circuit, the power management circuit performs charging management on the lithium battery, and the power management circuit is electrically connected to the selection switch, and the power management circuit is composed of a lithium battery charging and discharging circuit and an external power switching circuit. The power management circuit can automatically identify whether external power supply exists or not, once the external power supply is found to be connected, the external power supply is automatically switched to and the power supply of the lithium battery is turned off, so that the power supply time of the battery is prolonged, the M1 and the M2 are PMOS tubes, the source and the drain of the M1 are respectively connected with the battery charging and discharging circuit and the internal power supply end, the grid is connected with one end of a resistor R1 and is simultaneously connected with the external power supply, and the other end of the R1 is grounded. The source and the drain of M2 are connected with peripheral power supply and internal power supply respectively, the grid is connected with the drain of M3, M3 is an NMOS tube, the source of M3 is grounded, and the grid is connected with external power supply. When no external power supply exists, the grid of the M1 is grounded through the resistor R1, the M1 is conducted, the grid of the M3 is grounded through the resistor R1, the M3 tube is closed, the M2 tube is closed, and the internal circuit is powered by the battery. When the external power supply has voltage, the grid of the M1 is in a high level, the M1 is closed, the grid of the M3 is in a high level, the M3 is conducted, the grid of the M2 is changed into a low level, the M2 is opened, and the internal circuit is powered by the external power supply. The circuit realizes the automatic switching function of the external power supply.
In this embodiment, as shown in fig. 3 and fig. 9, the command sent by the mobile phone application software is sent to the bluetooth box through bluetooth, the bluetooth connection circuit is used to be paired with the smart device, the voice broadcasting circuit is provided with a switch setting, the bluetooth controller circuit is used as a core main control circuit of the bluetooth box part to control the working state of each circuit, and performs data interaction with the bluetooth connection circuit, the voice broadcasting circuit and the serial port transmission circuit 2 to realize bluetooth connection and voice broadcasting, the bluetooth controller circuit sends the short message from the serial port transmission circuit 2 to the bluetooth connection circuit, and sends the short message to the smart device through bluetooth, and simultaneously sends the short message to the voice broadcasting circuit, and broadcasts the short message through a speaker, the smart device sends the command sent by bluetooth to the controller through the bluetooth connection circuit, the controller analyzes the short message and sends the short message to the beidou terminal through the serial port transmission circuit 2, and the bluetooth controller stores the position information sent by the beidou, the driving track is recorded in real time, the Bluetooth connecting circuit is connected with intelligent equipment such as a mobile phone and a tablet personal computer, data interaction is carried out with the intelligent equipment, an application program is installed on the intelligent equipment, and the Bluetooth connecting circuit supports all Bluetooth protocols including but not limited to BLE, EDR and the like through a Bluetooth control terminal, data output by a Bluetooth controller are output through a voice synthesis circuit, modulated analog signals are output to a driving circuit to be amplified, and a loudspeaker is driven to broadcast voice.
In this embodiment, as shown in fig. 8, the power-on circuit supports the key power-on at the big dipper terminal, and supports the key power-on at the bluetooth box at the same time, realizes the double-key power-on, M1 is a PMOS transistor, the source is connected to the power supply, the drain is connected to the internal circuit, the gate is connected to the switch button, button K1 is the key of the big dipper terminal itself, button K2 is the key at the bluetooth box, K2 is connected to the big dipper terminal through the cable, when any one of the keys of K1 and K2 is pressed down, the gate voltage of M1 can be pulled down, so that M1 is turned on, the power supply supplies power to the internal circuit, and the power-on is.
As shown in fig. 1 to fig. 9, the working process of the beidou positioning communication terminal with the bluetooth box provided by this embodiment is as follows: the big dipper terminal passes through the mode of cable and is connected with the bluetooth box, and the bluetooth box is connected with smart machine such as cell-phone or panel computer through the bluetooth again for the user controls big dipper terminal through smart machine and carries out the receipt and the sending of big dipper information indoor or in the car, and the short message that can also be received through voice broadcast's mode broadcast to the bluetooth box simultaneously.
To sum up, in this embodiment, the big dipper terminal is connected with the bluetooth box through the mode of cable, and the bluetooth box is connected with smart machine such as cell-phone or panel computer through the bluetooth again for the user controls big dipper terminal through smart machine in indoor or car and carries out the receipt and the sending of big dipper information, and the short message that the mode broadcast that the bluetooth box can also be through voice broadcast received simultaneously has made things convenient for user's use greatly.
The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.
Claims (6)
1. The utility model provides a big dipper location communication terminal with bluetooth box which characterized in that: the Beidou positioning communication terminal comprises a Beidou positioning communication terminal and a Bluetooth box;
big dipper location communication terminal includes positioning circuit, big dipper communication circuit, big dipper control circuit, serial ports transmission circuit 1, power management circuit and start circuit, big dipper control circuit with serial ports transmission circuit 1, positioning circuit and big dipper communication circuit carry out the data interaction, power management circuit with big dipper control circuit positioning circuit with big dipper communication circuit electric connection:
the bluetooth box includes bluetooth box control circuit, serial ports transmission circuit 2, bluetooth circuit and voice broadcast circuit, bluetooth box control circuit with serial ports transmission circuit 2 bluetooth circuit with the voice broadcast circuit carries out the data interaction:
and the Beidou positioning communication terminal is connected with the Bluetooth box serial port.
2. The big dipper positioning communication terminal with bluetooth box of claim 1, characterized in that: the positioning circuit is used for positioning through a multi-satellite combination of a Beidou satellite system, a GPS satellite system, a Glonass navigation satellite system and a Galileo navigation satellite system, the positioning circuit receives satellite signals through a satellite antenna, and the positioning circuit sends to a single chip microcomputer in the Beidou control circuit through a serial port.
3. The big dipper positioning communication terminal with bluetooth box of claim 1, characterized in that: the Beidou control circuit is connected with the Beidou communication circuit through a serial port.
4. The big dipper positioning communication terminal with bluetooth box of claim 1, characterized in that: the Beidou positioning communication terminal is connected with the Bluetooth box through the serial port transmission circuit 1 and the serial port transmission circuit 2 in a serial port communication mode, and the transmission circuit adopts RS-232 or/and RS-485 standard interfaces.
5. The big dipper positioning communication terminal with bluetooth box of claim 1, characterized in that: the lithium battery is arranged in the power management circuit, the power management circuit carries out charging management on the lithium battery, and the power management circuit is electrically connected with the selection switch.
6. The big dipper positioning communication terminal with bluetooth box of claim 1, characterized in that: the Bluetooth circuit is used for being matched with the intelligent equipment, and the voice broadcasting circuit is provided with a switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920351609.1U CN210270169U (en) | 2019-03-19 | 2019-03-19 | Beidou positioning communication terminal with Bluetooth box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920351609.1U CN210270169U (en) | 2019-03-19 | 2019-03-19 | Beidou positioning communication terminal with Bluetooth box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210270169U true CN210270169U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920351609.1U Active CN210270169U (en) | 2019-03-19 | 2019-03-19 | Beidou positioning communication terminal with Bluetooth box |
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| Country | Link |
|---|---|
| CN (1) | CN210270169U (en) |
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2019
- 2019-03-19 CN CN201920351609.1U patent/CN210270169U/en active Active
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