GNSS (Global Navigation Satellite System) signal indicating device and system
By designing a GNSS signal indication device, the satellite signal strength is automatically displayed, solving the problem of time-consuming and labor-intensive manual testing in existing technologies. This enables all-weather real-time monitoring and rapid fault diagnosis, improving the efficiency of GNSS signal testing.
Patent Information
- Application Number
- CN202423090056.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Current GNSS signal testing technologies require significant manpower and time investment, cannot achieve real-time monitoring around the clock, and are prone to subjective bias and errors.
Design a GNSS signal indication device, including an antenna access terminal, a GNSS module, a control module, a drive module, and an indication module. The device displays satellite signal strength in real time in an automated manner. The GNSS module decodes satellite signals and the control module evaluates the signal level. The drive module controls the indication module to display the signal strength.
It enables automated, all-weather, real-time display of indoor GNSS signal testing, allowing users to quickly understand the availability and accuracy of the positioning system, simplifying operation procedures, improving work efficiency, and helping professionals diagnose faults.
Smart Images
Figure CN223897653U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of satellite communication technology, and in particular to a GNSS signal indicating device and system. Background Technology
[0002] With the rapid development of the communications industry, in the automated production and testing of mobile phone testing lines and satellite communication equipment, it is necessary to monitor in real time whether there are satellite signals that meet the test requirements and the strength of the signals. The current method is to manually monitor whether the environment meets the test conditions using handheld devices. However, manual testing is slower, subject to subjective bias and errors, and cannot achieve real-time monitoring around the clock. This results in a large amount of manpower and time costs being spent on testing GNSS signals in the monitoring room.
[0003] Therefore, designing a GNSS signal indicating device and system for automatically testing and displaying GNSS signals is of great importance to those skilled in the art. Utility Model Content
[0004] The technical problem to be solved by this utility model embodiment is to provide a GNSS signal indication system that automates the testing and display of GNSS signals, so as to solve the problem of requiring a lot of manpower and time costs in the prior art.
[0005] This utility model discloses a GNSS signal indicating device, which includes: an antenna access terminal, a GNSS module, a control module, a drive module, and an indicating module. The antenna access terminal is used to connect to an external antenna. The input terminal of the GNSS module is connected to the antenna access terminal. The input terminal of the control module is connected to the output terminal of the GNSS module. The output terminal of the control module is connected to the input terminal of the drive module. The output terminal of the drive module is connected to the indicating module.
[0006] Optionally, the control module includes a controller and a DIP switch, the first input terminal of the controller is connected to the GNSS module, the second input terminal of the controller is connected to the DIP switch, and the output terminal of the controller is connected to the drive module.
[0007] Optionally, the first input terminal of the controller is a first serial interface, and the GNSS module includes a second serial interface. The first serial interface and the second serial interface are connected through a serial communication line.
[0008] Optionally, the DIP switch is a multi-channel DIP switch, and the GNSS module has multiple built-in operating modes, with each DIP switch corresponding to control the activation of one of the operating modes.
[0009] Optionally, the operating modes include GPS operating mode, BeiDou operating mode, GLONASS operating mode, Galileo operating mode, and full-band operating mode.
[0010] Optionally, the indicator module includes multiple indicator lights and a buzzer, all of which are connected to the output of the drive module.
[0011] Optionally, the drive module includes multiple switching circuits, and each of the switching circuits is connected to one of the indicator lights or the buzzer.
[0012] Optionally, each of the switching circuits includes a resistor and a transistor. One end of the resistor is connected to the output terminal of the control module, the other end of the resistor is connected to the base of the transistor, the emitter of the transistor is connected to the indicator light or the buzzer, and the collector of the transistor is connected to an external power supply.
[0013] To address the problems existing in the prior art, this utility model also provides a GNSS signal indication system, which includes any of the GNSS signal indication devices described above, and also includes a GNSS antenna connected to the antenna input terminal for acquiring satellite signals.
[0014] Optionally, it also includes a power supply terminal for supplying power to the GNSS module, the control module, and the drive module.
[0015] Compared with the prior art, the beneficial effects of the GNSS signal indicating device provided by this utility model embodiment are as follows: By designing a GNSS signal indicating device, which includes an antenna access terminal, a GNSS module, a control module, a drive module, and an indicating module, the antenna access terminal is used to connect to an external antenna, the input terminal of the GNSS module is connected to the antenna access terminal, the input terminal of the control module is connected to the output terminal of the GNSS module, the output terminal of the control module is connected to the input terminal of the drive module, and the output terminal of the drive module is connected to the indicating module, the device realizes automated, all-weather, real-time display of satellite signal strength in the current environment during indoor GNSS signal testing. This allows users to quickly understand the availability and accuracy of the positioning system, and can also help professionals diagnose and troubleshoot faults. In situations where frequent switching or checking of GNSS signals is required, this device can simplify the operation process and improve work efficiency. Attached Figure Description
[0016] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. In the accompanying drawings:
[0017] Figure 1This is a simplified structural diagram of the GNSS signal indicating device provided in this embodiment of the utility model;
[0018] Figure 2 This is a circuit diagram of the GNSS signal indicating device provided in this embodiment of the utility model;
[0019] Figure 3 This is a system block diagram of the GNSS signal indication system provided in this embodiment of the utility model.
[0020] The labels for the attached figures are as follows:
[0021] 100. Antenna input terminal; 200. GNSS module; 300. Control module; 400. Drive module; 500. Indicator module; 310. Controller (microcontroller); 320. DIP switch; 510. Indicator light; 520. Buzzer; 10. GNSS signal indicating device; 20. GNSS antenna; 30. Power supply terminal;
[0022] G, Green indicator light; H, Yellow indicator light; R, Red indicator light; R1, First resistor; R2, Second resistor; R3, Third resistor; R4, Fourth resistor; Q1, First transistor; Q2, Second transistor; Q3, Third transistor; Q4, Fourth transistor. Detailed Implementation
[0023] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings.
[0024] like Figure 1 and Figure 2 As shown, this utility model provides a specific embodiment of a GNSS signal indicating device.
[0025] A GNSS signal indicating device, reference Figure 1 The GNSS signal indicating device includes an antenna input terminal 100, a GNSS module 200, a control module 300, a drive module 400, and an indicating module 500. The antenna input terminal 100 is used to connect an external antenna. The input terminal of the GNSS module 200 is connected to the antenna input terminal 100. The input terminal of the control module 300 is connected to the output terminal of the GNSS module 200. The output terminal of the control module 300 is connected to the input terminal of the drive module 400. The output terminal of the drive module 400 is connected to the indicating module 500.
[0026] Specifically, refer to Figure 1The GNSS signal indicating device is used to display the strength of the current environmental satellite signal in real time, 24 / 7. The antenna access terminal 100 is used to connect to an external antenna, and the antenna access terminal 100 and the external antenna are connected through an RF feeder. The external antenna is used to receive satellite signals in the environment and transmit the signals without loss through the RF feeder.
[0027] The input terminal of the GNSS module 200 is connected to the antenna access terminal 100. The GNSS module 200 is a GNSS signal receiving module. The GNSS module 200 has a built-in satellite receiving circuit and supports four working modes, including GPS satellite mode, Beidou satellite mode, GLONASS satellite mode and Galileo satellite mode. The GNSS module 200 is used to decode the satellite signals input from the external antenna to obtain satellite orbit data and time information. The GNSS module 200 can also be used to measure the carrier-to-noise ratio of the signal to evaluate the signal strength. The output terminal of the GNSS module 200 is connected to the input terminal of the control module 300 to output standard NME protocol signal data to the control module 300.
[0028] The input terminal of the control module 300 is connected to the output terminal of the GNSS module 200 to read the satellite orbit data, time information and carrier-to-noise ratio and other signal data output by the GNSS module 200. The control module 300 has a preset signal level evaluation rule. The control module 300 can evaluate the strength level of the current signal by the obtained carrier-to-noise ratio and according to the preset signal level evaluation rule, and output the corresponding level signal to the drive module 400.
[0029] The input terminal of the drive module 400 is connected to the output terminal of the control module 300, and the output terminal of the drive module 400 is connected to the input terminal of the indicator module 500. The drive module 400 is used to receive the level signal output by the control module 300 and correspondingly turn the indicator module 500 on or off, thereby realizing the real-time display of the strength of the current environmental satellite signal around the clock.
[0030] The current method for indicating satellite signal strength involves manual monitoring of the environment using handheld devices to determine if the conditions meet the requirements. However, manual testing is slower, prone to subjective bias and errors, and cannot provide real-time monitoring around the clock. Therefore, testing GNSS signals in a monitoring room requires significant manpower and time investment.
[0031] In this embodiment, a GNSS signal indicating device is designed, comprising an antenna access terminal 100, a GNSS module 200, a control module 300, a drive module 400, and an indicating module 500. The antenna access terminal 100 is used to connect an external antenna. The input terminal of the GNSS module 200 is connected to the antenna access terminal 100. The input terminal of the control module 300 is connected to the output terminal of the GNSS module 200. The output terminal of the control module 300 is connected to the input terminal of the drive module 400. The output terminal of the drive module 400 is connected to the indicating module 500. This device enables automated, all-weather, real-time display of satellite signal strength in the current environment during indoor GNSS signal testing. This allows users to quickly understand the availability and accuracy of the positioning system and also helps professionals diagnose and troubleshoot problems. In situations where frequent switching or checking of GNSS signals is required, this device can simplify the operation process and improve work efficiency.
[0032] In one embodiment, reference Figure 1 The control module 300 includes a controller 310 and a DIP switch 320. The first input terminal of the controller 310 is connected to the GNSS module 200, the second input terminal of the controller 310 is connected to the DIP switch 320, and the output terminal of the controller 310 is connected to the drive module 400.
[0033] Specifically, refer to Figure 1 The controller 310 can specifically be a microcontroller 310, and the DIP switch 320 is a four-way DIP switch 320. The four DIP switches 320 correspond to the GPS satellite mode, Beidou satellite mode, GLONASS satellite mode and Galileo satellite mode in the GNSS module 200, respectively. The output terminal of the DIP switch 320 is connected to the controller 310. The DIP switch 320 can provide four high and low level signals to the second input terminal of the controller 310, thereby controlling one of the GPS satellite mode, Beidou satellite mode, GLONASS satellite mode and Galileo satellite mode to be turned on, so that the GNSS module 200 can work in GPS satellite mode, Beidou satellite mode, GLONASS satellite mode or Galileo satellite mode.
[0034] In one embodiment, reference Figure 1 and Figure 2 The first input terminal of the controller 310 is a first serial interface, and the GNSS module 200 includes a second serial interface. The first serial interface and the second serial interface are connected through a serial communication line.
[0035] Specifically, refer to Figure 1 and Figure 2The controller 310 uses a microcontroller 310. The first serial interface is the TX pin and RX pin on the microcontroller 310 used for serial communication. The second serial interface of the GNSS module 200 is the TX pin and RX pin on the GNSS module 200 used for serial communication. The RX pin on the microcontroller 310 is connected to the RX pin on the GNSS module 200, and the TX pin on the microcontroller 310 is connected to the TX pin on the GNSS module 200 to realize serial communication and thus realize the transmission of satellite signal data.
[0036] It should be noted that the GNSS module 200 can also be equipped with a full-band operating mode, which can be switched by the high and low level signals output by the DIP switch 320.
[0037] In one embodiment, reference Figure 1 and Figure 2 The indicator module 500 includes multiple indicator lights 510 and a buzzer 520, all of which are connected to the output terminal of the drive module 400.
[0038] Specifically, refer to Figure 1 and Figure 2 The drive module 400 includes multiple switching circuits, and the indicator module 500 includes multiple indicator lights 510 and a buzzer 520. Each indicator light 510 is connected to a different switching circuit, and the buzzer 520 is connected to another switching circuit to achieve individual switching control of each indicator light 510 and the buzzer 520. The multiple indicator lights 510 are different colors, and different colors of indicator lights 510 correspond to different satellite signal strength levels. When the corresponding indicator light 510 is lit, the strength of the satellite signal in the current environment can be known. The buzzer 520 is used to emit a warning sound when no satellite signal is received.
[0039] In one embodiment, reference Figure 1 and Figure 2 The driving circuit includes a first switch circuit, a second switch circuit, a third switch circuit, and a fourth switch circuit. The indicator module 500 includes a green indicator light G, a yellow indicator light H, a red indicator light R, and a buzzer 520. The green indicator light G is connected to the output terminal of the first switch circuit, the yellow indicator light H is connected to the output terminal of the second switch circuit, the red indicator light R is connected to the output terminal of the third switch circuit, and the buzzer 520 is connected to the output terminal of the fourth switch circuit.
[0040] In one embodiment, reference Figure 1 and Figure 2Each switching circuit includes a resistor and a transistor. Specifically, the first switching circuit includes a first resistor R1 and a first transistor Q1. One end of the first resistor R1 is connected to an output pin of the microcontroller 310, and the other end of the first resistor R1 is connected to the base of the first transistor Q1. The emitter of the first transistor Q1 is connected to the green indicator light G, and the collector of the first transistor Q1 is connected to an external power supply. The second switching circuit includes a second resistor R2 and a second transistor Q2. One end of the second resistor R2 is connected to another output pin of the microcontroller 310, and the other end of the second resistor R2 is connected to the base of the second transistor Q2. The emitter of the second transistor Q2 is connected to the yellow indicator light H, and the collector of the second transistor Q2 is connected to an external power supply. The first electrode is connected to an external power supply; the second switching circuit includes a third resistor R3 and a third transistor Q3. One end of the third resistor R3 is connected to another output pin of the microcontroller 310, and the other end of the third resistor R3 is connected to the base of the third transistor Q3. The emitter of the third transistor Q3 is connected to the red indicator light R, and the collector of the third transistor Q3 is connected to an external power supply; the third switching circuit includes a fourth resistor R4 and a fourth transistor Q4. One end of the fourth resistor R4 is connected to another output pin of the microcontroller 310, and the other end of the fourth resistor R4 is connected to the base of the fourth transistor Q4. The emitter of the fourth transistor Q4 is connected to the buzzer 520, and the collector of the fourth transistor Q4 is connected to an external power supply.
[0041] like Figure 3 As shown, this utility model provides a specific embodiment of a GNSS signal indication system.
[0042] A GNSS signal indication system, reference Figure 3 The GNSS signal indication system includes a GNSS signal indication device 10 as shown above, and also includes a GNSS antenna 20 and a power supply terminal 30. The GNSS antenna 20 is connected to the antenna input terminal 100 to acquire satellite signals; the power supply terminal 30 is used to provide 5V voltage to the GNSS module 200, the control module 300 and the drive module 400.
[0043] It should be understood that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some of the technical features; and all such modifications and substitutions should fall within the protection scope of the appended claims of this utility model.
Claims
1. A GNSS signal indicating device, characterized in that, include: The system includes an antenna access terminal, a GNSS module, a control module, a drive module, and an indicator module. The antenna access terminal is used to connect to an external antenna. The input terminal of the GNSS module is connected to the antenna access terminal. The input terminal of the control module is connected to the output terminal of the GNSS module. The output terminal of the control module is connected to the input terminal of the drive module. The output terminal of the drive module is connected to the indicator module.
2. The GNSS signal indicating device according to claim 1, characterized in that, The control module includes a controller and a DIP switch. The first input terminal of the controller is connected to the GNSS module, the second input terminal of the controller is connected to the DIP switch, and the output terminal of the controller is connected to the drive module.
3. The GNSS signal indicating device according to claim 2, characterized in that, The controller's first input terminal is a first serial interface, and the GNSS module includes a second serial interface. The first serial interface and the second serial interface are connected via a serial communication line.
4. The GNSS signal indicating device according to claim 2, characterized in that, The DIP switch is a multi-channel DIP switch, and the GNSS module has multiple built-in operating modes, with each DIP switch corresponding to control the activation of one of the operating modes.
5. The GNSS signal indicating device according to claim 4, characterized in that, The operating modes include GPS operating mode, BeiDou operating mode, GLONASS operating mode, Galileo operating mode, and full-band operating mode.
6. The GNSS signal indicating device according to claim 1, characterized in that, The indicator module includes multiple indicator lights and a buzzer, and the multiple indicator lights and the buzzer are all connected to the output terminal of the drive module.
7. The GNSS signal indicating device according to claim 6, characterized in that, The drive module includes multiple switching circuits, and each of the switching circuits is connected to one of the indicator lights or the buzzer.
8. The GNSS signal indicating device according to claim 7, characterized in that, Each of the aforementioned switching circuits includes a resistor and a transistor. One end of the resistor is connected to the output terminal of the control module, the other end of the resistor is connected to the base of the transistor, the emitter of the transistor is connected to the indicator light or the buzzer, and the collector of the transistor is connected to an external power supply.
9. A GNSS signal indication system, characterized in that, The device includes a GNSS signal indicating device as described in any one of claims 1-8, and further includes a GNSS antenna connected to the antenna access terminal for acquiring satellite signals.
10. The GNSS signal indication system according to claim 9, characterized in that, It also includes a power supply terminal, which is used to supply power to the GNSS module, the control module and the drive module.