CN211744456U

CN211744456U - Portable GNSS data collector

Info

Publication number: CN211744456U
Application number: CN202020544170.7U
Authority: CN
Inventors: 贾娟子; 周浩; 董拉
Original assignee: Hubei Chuhang Electronic Technology Co ltd
Current assignee: Hubei Chuhang Electronic Technology Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-10-23
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a portable GNSS data collector, which comprises a mobile phone, an antenna (1), a receiver (4), a mobile phone clip (2), a telescopic rod (3) and a data line (6); the antenna (1) is arranged at the top of the mobile phone clip (2), the mobile phone clip (2) comprises a first clamping part (201) and a second clamping part (202), and the telescopic rod (3) is arranged between the first clamping part (201) and the second clamping part (202); the receiver (4) comprises a power supply conversion module (301), a GPS module (302), a Bluetooth module (303) and an output interface (304), wherein the power supply conversion module (301) is connected with the antenna (1), the Bluetooth module (303) and the GPS module (302), the GPS module (302) is connected with the antenna (1), and the output interface (304) is connected with the data line (6). The utility model discloses a portable GNSS data collection station, equipment is small, convenient to use, and the integrated level is high, portable.

Description

Portable GNSS data collector

Technical Field

The utility model belongs to the technical field of the GNSS data acquisition, more specifically relates to a portable GNSS data collection station.

Background

The satellite navigation positioning technology has basically replaced the ground-based radio navigation, the traditional geodetic survey and the astronomical survey navigation positioning technology at present, and promotes the brand new development of the field of geodetic survey and navigation positioning. The GNSS is generally called Global Navigation Satellite System (Global Navigation Satellite System), which refers to all Satellite Navigation systems including Global, regional, and enhanced, such as GPS in the united states, Glonass in russia, Galileo in europe, and beidou Satellite Navigation System in china.

When the existing GNSS remote positioning data acquisition and transmission device is used, the antenna of the device is small, so that the signal is unstable, and the transmission work is influenced; in addition, the GNSS data collector is large in size and not easy to carry.

SUMMERY OF THE UTILITY MODEL

To the above defect or the improvement demand of prior art, the utility model provides a portable GNSS data collection station, set up the cell-phone on the collector and press from both sides, the cell-phone presss from both sides including first clamping part and second clamping part, the telescopic link setting is adjusted the distance between first clamping part and the second clamping part through the telescopic link between first clamping part and the second clamping part, thereby realize the centre gripping of cell-phone and take off the centre gripping that is applicable to the cell-phone of different models simultaneously, power conversion module is the antenna, bluetooth module and GPS module power supply, realize that independent power supply does not need extra power supply, bluetooth module and GPS module concentrate on in the receiver, the high portable of small integrated level of equipment.

In order to achieve the above object, the utility model provides a portable GNSS data collector, which comprises a mobile phone, an antenna and a receiver, and further comprises a mobile phone clip, a telescopic rod and a data line, wherein the mobile phone is connected with the receiver through the data line;

the antenna is arranged at the top of the mobile phone clamp, the mobile phone clamp comprises a first clamping part and a second clamping part, and the telescopic rod is arranged between the first clamping part and the second clamping part so as to adjust the distance between the first clamping part and the second clamping part;

the receiver comprises a power supply conversion module, a GPS module, a Bluetooth module and an output interface, wherein the power supply conversion module is connected with the antenna, the Bluetooth module and the GPS module, the GPS module is connected with the antenna, and the output interface is connected with the data line.

Further, the receiver mounting device comprises a receiver mounting shell, wherein the receiver is arranged in the receiver mounting shell, and the receiver mounting shell is arranged between the first clamping part and the second clamping part.

Further, the telescopic rod is of a hollow structure, and a radio frequency cable between the antenna and the receiver is arranged in the hollow structure.

Furthermore, a spring device is arranged between the telescopic rod and the mobile phone clip.

Furthermore, the power conversion module comprises a power chip and a self-recovery fuse, wherein the self-recovery fuse is arranged at the front end of the power conversion module circuit and is connected with the power chip.

Furthermore, the tail end of the power supply conversion module is provided with a lithium battery, and the lithium battery is connected with the GPS module.

Furthermore, the GPS module comprises a GPS chip and a GPS chip peripheral circuit, and the GPS chip peripheral circuit is provided with a serial port connected with the Bluetooth module.

Furthermore, a radio frequency signal pin connected with the antenna is arranged on the GPS chip.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:

(1) the utility model discloses a portable GNSS data collection station, set up the cell-phone on the collector and press from both sides, the cell-phone presss from both sides including first clamping part and second clamping part, the telescopic link setting is adjusted the distance between first clamping part and the second clamping part through the telescopic link between first clamping part and second clamping part, thereby realize the centre gripping of cell-phone and take off the centre gripping that is applicable to the cell-phone of different models simultaneously, power conversion module is the antenna, bluetooth module and GPS module power supply, realize that independent power supply does not need extra power supply, bluetooth module and GPS module concentrate on in the receiver, the high portable of equipment small integrated level.

(2) The utility model discloses a portable GNSS data collector, the telescopic link sets up to be hollow to set up the radio frequency cable between antenna and the receiver in the hollow structure of telescopic link, avoid the cable to expose; the front end of the power supply conversion module is provided with a self-recovery fuse, so that the circuit is protected.

Drawings

Fig. 1 is a schematic structural diagram of a portable GNSS data collector in an embodiment of the present invention;

fig. 2 is a side view of a portable GNSS data collector in an embodiment of the invention;

fig. 3 is a schematic connection diagram between structures of the portable GNSS data collector in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a power conversion module in the present invention;

fig. 5 is a schematic structural diagram of the GPS module according to the present invention;

fig. 6 is a schematic structural diagram of the bluetooth module in the present invention;

in all the figures, the same reference numerals denote the same features, in particular: the mobile phone comprises an antenna 1, a mobile phone clip 2, a telescopic rod 3, a receiver 4, a data interface 5, a data line 6, a first clamping part 201, a second clamping part 202, a power supply conversion module 301, a GPS module 302, a Bluetooth module 303 and an output interface 304.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Fig. 1 is a schematic structural diagram of a portable GNSS data collector in an embodiment of the present invention. Fig. 2 is a side view of the portable GNSS data collector in the embodiment of the present invention. As shown in fig. 1 and 2, the utility model discloses a portable GNSS data collection station includes antenna 1, the cell-phone presss from both sides 2, the telescopic link 3, receiver 4, data interface 5 and data line 6, antenna 1 sets up the collection signal of being convenient for at data collection station's top, antenna 1 is used for receiving GPS satellite signal, antenna 1 is connected with receiver 4, receiver 4 is used for receiving the GNSS signal of 1 transmission of antenna, receiver 4 links to each other with the cell-phone, the cell-phone is used for receiving the GNSS data that comes from receiver 4, the cell-phone is fixed on cell-phone clamp 2, be connected through data line 6 between cell-phone and the receiver 4.

The mobile phone clamp 2 comprises a first clamping part 201 and a second clamping part 202, the receiver 4 is arranged in a receiver mounting shell, the receiver mounting shell is fixed between the first clamping part 201 and the second clamping part 202, preferably, the second clamping part 202 is fixed at one end close to the second clamping part 202, one end of the telescopic rod 3 is connected with the first clamping part 201, the other end of the telescopic rod 3 is connected with the receiver mounting shell, the length of the telescopic rod 3 is adjustable, the length between the first clamping part 201 and the second clamping part 202 is changed through adjusting the length of the telescopic rod 3, and therefore clamping and taking down of the mobile phone are achieved, and clamping of mobile phones of different models can be adapted; the receiver installation shell serves as a side support of the mobile phone, meanwhile, the mobile phone is convenient to connect with the receiver 4, the mobile phone is stably fixed in the mobile phone clamp in a handheld mode to collect data, the use is convenient, and the structure is simple and easy to carry.

Preferably, the telescopic rod 3 is a hollow structure, and the hollow part is used for placing a radio frequency cable between the antenna 1 and the receiver 4.

Preferably, be equipped with spring assembly between telescopic link 3 and the cell-phone clamp 2, realize flexible and provide the pulling force for telescopic link 3 through the spring.

Fig. 3 is a schematic connection diagram between structures of the portable GNSS data collector in the embodiment of the present invention. As shown in fig. 3, the receiver 4 includes a power conversion module 301, a GPS module 302, a bluetooth module 303 and an output interface 304, wherein the power conversion module 301 is respectively connected to the bluetooth module 303, the GPS module 302 and the antenna 1, and respectively provides operating voltage for the bluetooth module 303, the GPS module 302 and the antenna 1, and no additional power supply is needed; the GPS module 302 is configured to receive GNSS data, and the bluetooth module 303 is configured to transmit the GNSS data to a mobile phone; the output interface 304 is used for power supply and data transmission; preferably, the output interface 304 is a MICRO USB interface.

Fig. 4 is a schematic structural diagram of the middle power conversion module of the present invention, and the power conversion module 301 shown in fig. 4 includes a power chip U1, a self-recovery fuse F1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a resistor R1, a diode D1, a diode D2, and a lithium battery B1. The +5V power input is connected with a pin 1 of a self-recovery fuse, a pin 2 of the self-recovery fuse is connected with a pin 1 and a pin 2 of a power chip U1, a capacitor C1 and a capacitor C2 are connected to GND, a pin 3 and a pin 6 of the power chip U1 are connected with GND, a pin 5 of the power chip U1 is connected with a capacitor C3 to GND, a pin 4 output of the power chip U1 is connected with the anode of a diode D2, a capacitor C4 and a capacitor C5 are connected to GND, the cathode of a diode D1 is connected, the anode of the diode D1 is connected with GND, the cathode of the diode D2 is connected with the anode of a lithium battery B1 after being connected with a resistor R1 in series, and the cathode of the lithium.

The whole circuit is formed as described above, a +5V power supply is connected to the device through the output interface 304, the power supply chip U1 is connected after being protected through the fuse F1, 3.3V stable direct current VCC is output for the device, the output is connected with the transient suppression diode D1 for protection, the damage of the chip caused by overhigh output voltage of the power supply chip is prevented, meanwhile, the lithium battery is charged through the diode D2, and the lithium battery is used as a standby power supply of the GPS chip U2.

Fig. 5 is a schematic structural diagram of the middle GPS module of the present invention. As shown in fig. 5, the GPS module 302 includes a GPS chip U2 and its peripheral circuits, and is connected to the antenna and the output interface, for receiving GNSS data and transmitting the GNSS data to the bluetooth module 303 or the mobile phone. The 20 pin and the 21 pin of the GPS chip are used for serial port communication between a UART serial port and a Bluetooth module, the 5 pin and the 6 pin of the GPS chip are used for USB communication pins, data transmission is carried out between the USB communication pins and the mobile phone through an output interface, and the 11 pin of the GPS chip is an RF radio frequency signal pin connected with an antenna.

Fig. 6 is a schematic structural diagram of the bluetooth module of the present invention. As shown in fig. 6, the bluetooth module includes a bluetooth chip U3 and its peripheral circuits, and is configured to receive GNSS data of the GPS chip and transmit the GNSS data to the mobile phone. And the pin 1 and the pin 2 of the Bluetooth chip are UART serial ports, and are in serial port communication with the GPS module to transmit GNSS data received by the GPS chip.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims

1. A portable GNSS data collector comprises a mobile phone, an antenna (1) and a receiver (4), and is characterized by further comprising a mobile phone clamp (2), a telescopic rod (3) and a data line (6), wherein the mobile phone is connected with the receiver (4) through the data line (6);

the antenna (1) is arranged at the top of the mobile phone clip (2), the mobile phone clip (2) comprises a first clamping part (201) and a second clamping part (202), and the telescopic rod (3) is arranged between the first clamping part (201) and the second clamping part (202) so as to adjust the distance between the first clamping part and the second clamping part;

the receiver (4) comprises a power supply conversion module (301), a GPS module (302), a Bluetooth module (303) and an output interface (304), wherein the power supply conversion module (301) is connected with the antenna (1), the Bluetooth module (303) and the GPS module (302), the GPS module (302) is connected with the antenna (1), and the output interface (304) is connected with the data line (6).

2. A portable GNSS data collector according to claim 1, further comprising a receiver mounting housing, said receiver (4) being disposed within said receiver mounting housing, said receiver mounting housing being disposed between said first clamping portion (201) and said second clamping portion (202).

3. The portable GNSS data collector of claim 1 or 2, characterized in that the telescopic rod (3) is a hollow structure, and a radio frequency cable between the antenna (1) and the receiver (4) is placed in the hollow structure.

4. A portable GNSS data collector according to claim 3, characterized in that a spring device is provided between the telescopic rod (3) and the handset clip (2).

5. The portable GNSS data collector of claim 1, wherein the power conversion module (301) comprises a power chip and a self-recovery fuse, and the self-recovery fuse is disposed at a front end of a circuit of the power conversion module (301) and connected to the power chip.

6. The portable GNSS data collector of claim 5, wherein a lithium battery is arranged at the tail end of the power conversion module (301), and the lithium battery is connected with the GPS module (302).

7. The portable GNSS data collector of claim 1, wherein the GPS module (302) comprises a GPS chip and a GPS chip peripheral circuit, and the GPS chip peripheral circuit is provided with a serial port connected with the Bluetooth module (303).

8. The portable GNSS data collector of claim 7, wherein a radio frequency signal pin connected with the antenna (1) is arranged on the GPS chip.