CN211741581U

CN211741581U - Positioning module with ultra-low power consumption

Info

Publication number: CN211741581U
Application number: CN201922270787.4U
Authority: CN
Inventors: 龚铁兵
Original assignee: Gotop Technology Co ltd
Current assignee: Gotop Technology Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-10-23
Anticipated expiration: 2029-12-17

Abstract

The utility model provides a location module of ultra-low power consumption, a serial communication port, this location module is including the PCB support plate, integrated flash memory circuit module, radio frequency circuit module, host system, DC-DC power module, clock chip module, level conversion module and the crystal oscillator module of being fixed with on the PCB support plate, flash memory circuit module, radio frequency circuit module, DC-DC power module, clock chip module, level conversion module and crystal oscillator module all are connected with the host system electricity, DC-DC power module and level conversion module electricity are connected. The utility model discloses in, not only possess small characteristics, can make the complete machine miniaturized, reduce the weight of complete machine. Meanwhile, the wiring density is improved, the intervals of components are reduced, the transmission path of signals is shortened, the loss of lines is reduced, and the positioning accuracy is not influenced.

Description

Positioning module with ultra-low power consumption

Technical Field

The utility model belongs to the technical field of the location communication, in particular to location module of ultralow power consumption.

Background

GPS positioning is a satellite system consisting of 24 satellites covering the world. The system can ensure that 4 satellites can be observed at any point on the earth at any time, so that the satellite can acquire the longitude and latitude and the height of the observation point, and functions of navigation, positioning, time service and the like can be realized. The Global Positioning System (GPS) is a new generation of space satellite navigation positioning system developed by the united states of the army, the air, and the military in the 70 s of the 20 th century. The system mainly aims to provide real-time, all-weather and global navigation service for three fields of land, sea and air, and is used for military purposes of information collection, nuclear explosion monitoring, emergency communication and the like.

In recent years, along with the development of technology and the favor of consumers, the demand of widely used positioning modules for ultra-low power consumption is increasing. Whether the positioning module or the charged product, the requirement of low power consumption is also the focus of attention in the next 5 years.

The existing positioning module is still deficient in the requirement of low power consumption in the current social market, and the requirement of the current market is met by the positioning module with low power consumption.

Disclosure of Invention

In order to solve the problem, the utility model provides a fix a position accurate, the location module of ultralow power consumption and convenient to use's ultralow power consumption.

Another object of the present invention is to provide a positioning module with ultra-low power consumption, which is small in size and suitable for the consumption of the public.

In order to achieve the above object, the technical solution of the present invention is as follows.

The utility model provides a location module of ultra-low power consumption, a serial communication port, this location module is including the PCB support plate, integrated flash memory circuit module, radio frequency circuit module, host system, DC-DC power module, clock chip module, level conversion module and the crystal oscillator module of being fixed with on the PCB support plate, flash memory circuit module, radio frequency circuit module, DC-DC power module, clock chip module, level conversion module and crystal oscillator module all are connected with the host system electricity, DC-DC power module and level conversion module electricity are connected, including Sony location chip in the host system. The flash memory circuit module is in the prior art, for example, a circuit module with a chip model of MX25R1635FBDIL0 is adopted, the specific model of the Sony positioning chip is CXD5603GF, the radio frequency circuit module, the DC-DC power module, the clock chip module, the level shift module and the crystal oscillator module are all in the prior art, and the radio frequency circuit module, the main control module, the DC-DC power module, the clock chip module, the level shift module and the crystal oscillator module are integrated and arranged on the PCB carrier plate, so that the flash memory circuit module has the characteristic of small size, the whole machine can be miniaturized, and the weight of the whole machine can be reduced. Meanwhile, the wiring density is improved, the interval of components is reduced, the transmission path of signals is shortened, the loss of lines is reduced, the positioning accuracy is not influenced, and the setting of a Sony positioning chip in the main control module provides three power modes through the combination of other modules and the Sony positioning chip: standby mode, sleep mode, deep sleep mode. Can be switched between modes to minimize power consumption at the appropriate time and in an appropriate manner while reducing the impact on performance. When the power supply of some logic modules is turned off, a timer or a system-level power management controller can be started on hardware, so that unnecessary leakage power consumption is saved; reducing the time spent entering and exiting sleep mode; power consumption consumed in entering and exiting sleep mode is reduced. The main control module supports satellite search receiving and positioning systems of all GNSS, such as GPS, Beidou, GLONASS, Galileo, QZSS, SBAS and the like. The main control module is embedded with UART interface protocol and supports the expansion of interfaces such as RS232/USB, the main control module adopts NMEA general output data format, and the main control module supports unified RTCM standard protocol.

Furthermore, a low-noise amplification module is further fixed on the PCB carrier plate, the low-noise amplification module is electrically connected with the main control module, and the low-noise amplification module comprises a low-noise amplification chip. The low noise amplification module is in the prior art, and the specific type of the low noise amplification chip is an English-flying-ice LNA.

Furthermore, a filter module is fixed on the PCB carrier plate, the filter module is electrically connected with the main control module, and the filter module comprises a filter. The filter module is in the prior art, and the filter model is specifically a village filter SAW.

Furthermore, an RF test ring is fixedly arranged on the PCB carrier plate, and the RF test ring is electrically communicated with the PCB carrier plate. The PCB carrier plate is provided with the RF test ring, and after the PCB carrier plate is molded, the RF test ring can be used for carrying out RF radio frequency test on the molded PCB carrier plate, so that a reliable grounding ring is provided for a radio frequency test needle, radio frequency signals are sufficiently shielded, and GSM signals are comprehensively tested and debugged.

Furthermore, a shielding block is further fixed on the PCB carrier plate, a closed cavity is formed in the shielding block, and the main control module is arranged in the closed cavity. The shielding cover adopts a physical isolation means, can prevent the main control module from dropping due to the fact that the electronic component is touched by mistake, can effectively shield external interference, avoids clutter from entering an interference circuit in the circuit, and ensures normal work of the module circuit.

Furthermore, a plurality of stamp holes are uniformly arranged on the edge of the PCB carrier plate. The stamp holes are arranged, so that each PCB is independent conveniently, and meanwhile, an operator can easily cut the PCB through the stamp holes conveniently.

Furthermore, a plurality of component bonding pads corresponding to the positions of the electronic components of the radio frequency circuit module, the master control module, the DC-DC power supply module, the clock chip module, the level conversion module and the crystal oscillator module are arranged on the PCB carrier plate, and the electronic components of the radio frequency circuit module, the master control module, the DC-DC power supply module, the clock chip module, the level conversion module and the crystal oscillator module are respectively connected to the corresponding component bonding pads. The electronic component corresponds to the component bonding pad arranged on the PCB carrier plate, so that on one hand, a manufacturer can conveniently package the module, on the other hand, a user can conveniently embed the packaged module into an industrial field needing the module, and the module is ensured to be firmly installed.

The beneficial effects of the utility model reside in that, compared with the prior art the utility model discloses in, above-mentioned radio frequency circuit module, host system, DC-DC power module, clock chip module, level conversion module and crystal oscillator module integrate and set up on the PCB support plate, so not only possess small characteristics, can make the complete machine miniaturized, reduce the weight of complete machine. Meanwhile, the wiring density is improved, the interval of components is reduced, the transmission path of signals is shortened, the loss of lines is reduced, the positioning accuracy is not influenced, and the setting of a Sony positioning chip in the main control module provides three power modes through the combination of other modules and the Sony positioning chip: standby mode, sleep mode, deep sleep mode. Can be switched between modes to minimize power consumption at the appropriate time and in an appropriate manner while reducing the impact on performance. When the power supply of some logic modules is turned off, a timer or a system-level power management controller can be started on hardware, so that unnecessary leakage power consumption is saved; reducing the time spent entering and exiting sleep mode; power consumption consumed in entering and exiting sleep mode is reduced.

Drawings

Fig. 1 is a block diagram showing the relationship between modules of the positioning module with ultra-low power consumption.

Fig. 2 is the internal structure diagram of the Sony positioning chip of the positioning module with ultra-low power consumption.

Fig. 3 is a schematic circuit diagram of the flash memory circuit module, the radio frequency circuit module, the main control module, the DC-DC power module, the clock chip module, the level conversion module and the crystal oscillator module of the positioning module with ultra-low power consumption.

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 merely illustrative of the invention and are not intended to limit the invention.

The utility model provides a location module of ultra-low power consumption, a serial communication port, this location module is including the PCB support plate, be fixed with flash memory circuit module, radio frequency circuit module, host system, DC-DC power module, clock chip module, level conversion module and crystal oscillator module on the PCB support plate, flash memory circuit module, radio frequency circuit module, DC-DC power module, clock chip module, level conversion module and crystal oscillator module all are connected with the host system electricity, DC-DC power module and level conversion module electricity are connected, including Sony location chip in the host system.

Furthermore, a low-noise amplification module is further fixed on the PCB carrier plate, the low-noise amplification module is electrically connected with the main control module, and the low-noise amplification module comprises a low-noise amplification chip.

Furthermore, a filter module is fixed on the PCB carrier plate, the filter module is electrically connected with the main control module, and the filter module comprises a filter.

Furthermore, an RF test ring is fixedly arranged on the PCB carrier plate, and the RF test ring is electrically communicated with the PCB carrier plate.

Furthermore, a shielding block is further fixed on the PCB carrier plate, a closed cavity is formed in the shielding block, and the main control module is arranged in the closed cavity.

Furthermore, a plurality of stamp holes are uniformly arranged on the edge of the PCB carrier plate.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The positioning module with the ultra-low power consumption is characterized by comprising a PCB (printed circuit board) support plate, wherein a flash memory circuit module, a radio frequency circuit module, a main control module, a DC-DC power supply module, a clock chip module, a level conversion module and a crystal oscillator module are integrated and fixed on the PCB support plate, the flash memory circuit module, the radio frequency circuit module, the DC-DC power supply module, the clock chip module, the level conversion module and the crystal oscillator module are all electrically connected with the main control module, the DC-DC power supply module is electrically connected with the level conversion module, and a Sony positioning chip is arranged in the main control module.

2. The positioning module with ultra-low power consumption as claimed in claim 1, wherein a low noise amplification module is further fixed on the PCB carrier, the low noise amplification module is electrically connected to the main control module, and the low noise amplification module includes a low noise amplification chip.

3. The ultra-low power consumption positioning module according to claim 1, wherein a filter module is further fixed on the PCB carrier, the filter module is electrically connected to the main control module, and the filter module includes a filter.

4. The ultra-low power consumption positioning module of claim 1, wherein an RF test ring is further fixed on the PCB carrier, and the RF test ring is electrically connected to the PCB carrier.

5. The positioning module of claim 1, wherein a shielding block is further fixed on the PCB carrier, a closed cavity is disposed in the shielding block, and the main control module is disposed in the closed cavity.

6. The ultra-low power consumption positioning module of claim 1, wherein a plurality of stamp holes are uniformly formed on the edge of the PCB carrier.

7. The ultra-low power consumption positioning module set according to claim 1, wherein the PCB carrier has a plurality of component pads corresponding to the positions of the electronic components of the rf circuit module, the main control module, the DC-DC power module, the clock chip module, the level shifter module and the crystal oscillator module, and the electronic components of the rf circuit module, the main control module, the DC-DC power module, the clock chip module, the level shifter module and the crystal oscillator module are respectively connected to the corresponding component pads.