Vehicle satellite positioning antenna design and fault diagnosis device

Abstract

The utility model discloses a vehicle satellite positioning antenna design and fault diagnosis device which comprises a base, the top of the base is connected with a supporting rod through threads, the top end of the supporting rod is connected with a chassis through threads, the top of the chassis is fixedly provided with a top cover through bolts, and a circuit board is fixed in the top of the chassis through screws. A single-chip microcomputer is welded to the outer wall of the top of the circuit board, an interface is formed in one side of the circumference of the bottom of the base plate, a data line is clamped to one end of the interface, an adapter is arranged at a port of the data line, and corrugated folded plates distributed at equal intervals are bonded to the circumferential inner walls of the base plate and the top cover correspondingly. Cooling fins which are distributed at equal intervals are arranged above the circuit board. According to the utility model, the state of the satellite positioning antenna is judged by reading the ADC value through the single-chip microcomputer, and is reported to an enterprise platform for early warning and remote troubleshooting in time through a wireless network, so that maintenance personnel can remove faults in time, and the antenna fault positioning analysis efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle satellite positioning antennas, in particular to a vehicle satellite positioning antenna design and fault diagnosis device. Background Art

[0002] The vehicle-mounted GNSS active antenna is an antenna that integrates an amplifier and a filter. It is used to receive global navigation satellite system (GNSS) signals and enhance their signal strength. The satellite positioning antenna of a vehicle component determines the accuracy of the vehicle's location information. This places high demands on the reliability and stability of the positioning antenna, and it is particularly important to detect and report fault conditions in a timely manner.

[0003] Most existing antenna design solutions do not pay attention to the fault status of the antenna. When the vehicle cannot be located, it takes a lot of manpower and time to perform positioning analysis. Fault diagnosis and reporting are rarely done, which makes fault judgment difficult and wastes resources. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a vehicle satellite positioning antenna design and fault diagnosis device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A vehicle satellite positioning antenna design and fault diagnosis device includes a base, the top of the base is connected to a support rod by threads, and the top of the support rod is connected to a chassis by threads, the top of the chassis is fixed with a top cover by bolts, the top of the chassis is fixed with a circuit board by screws, and the top outer wall of the circuit board is welded with a single-chip microcomputer.

[0007] As a further solution of the utility model: an interface is provided on one side of the bottom circumference of the chassis, and a data cable is clamped at one end of the interface.

[0008] As a further solution of the present invention: the port of the data line is provided with an adapter.

[0009] As a further solution of the utility model: the circumferential inner walls of the bottom plate and the top cover are respectively bonded with corrugated folded plates distributed at equal distances.

[0010] As a further solution of the utility model: heat sinks distributed at equal distances are arranged above the circuit board.

[0011] As a further solution of the utility model: the bottom plate and the top cover are snap-fitted and matched with each other.

[0012] Compared with the prior art, the utility model provides a vehicle satellite positioning antenna design and fault diagnosis device, which has the following beneficial effects:

[0013] This vehicle satellite positioning antenna design and fault diagnosis device combines the single-chip microcomputer's reading of ADC values ​​to determine the status of the satellite positioning antenna, and reports it to the enterprise platform for early warning and remote troubleshooting in a timely manner through a wireless network, making it easy for maintenance personnel to troubleshoot faults in a timely manner, greatly improving the efficiency of antenna fault location analysis.

[0014] The vehicle satellite positioning antenna design and fault diagnosis device has an array of equally spaced corrugated folding plates between the circumference of the chassis and the top cover, so that when the chassis and the top cover collide, the impact force can be effectively dispersed through the corrugated folding plates, thereby protecting the circuit board.

[0015] This vehicle satellite positioning antenna design and fault diagnosis device transmits the received signal to the positioning module through the positioning antenna with an impedance value of 50 ohms. When designing the antenna circuit, VCC 3.3V is used to power the positioning module. By adding a 10-ohm resistor and a filter inductor, the voltage value at both ends of the antenna can be more accurately judged, thereby confirming the antenna fault status.

[0016] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of a vehicle satellite positioning antenna design and fault diagnosis device proposed by the utility model;

[0018] Figure 2 This is a cross-sectional structural schematic diagram of a vehicle satellite positioning antenna design and fault diagnosis device proposed by the utility model;

[0019] Figure 3 The utility model discloses a circuit diagram of a vehicle satellite positioning antenna design and fault diagnosis device.

[0020] In the figure: 1-base, 2-support rod, 3-chassis, 4-top cover, 5-interface, 6-data cable, 7-adapter, 8-corrugated folding plate, 9-single chip microcomputer, 10-heat sink. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example 1

[0022] A vehicle satellite positioning antenna design and fault diagnosis device, such as Figure 1 and Figure 2 As shown, it comprises a base 1, the top of the base 1 is connected to a support rod 2 by threads, and the top of the support rod 2 is connected to a chassis 3 by threads, the top of the chassis 3 is fixed with a top cover 4 by bolts, the top of the chassis 3 is fixed with a circuit board by screws, and the top outer wall of the circuit board is welded with a single chip computer 9;

[0023] The model of the single chip computer 9 is selected from one of the PIC series of Microchip and the STM32 series of STMicroelectronics;

[0024] An interface 5 is provided on one side of the bottom circumference of the chassis 3, and a data line 6 is clamped at one end of the interface 5, and an adapter 7 is provided at the port of the data line 6;

[0025] The inner circumferential walls of the bottom plate 3 and the top cover 4 are respectively bonded with corrugated folded plates 8 distributed at equal distances;

[0026] Heat sinks 10 are arranged above the circuit board and are distributed at equal distances;

[0027] By arranging the corrugated folding plates 8 at equal distances between the circumferences of the bottom plate 3 and the top cover 4, when the bottom plate 3 and the top cover 4 collide, the impact force can be effectively dispersed through the corrugated folding plates 8, thereby protecting the circuit board.

[0028] Existing satellite positioning antennas rarely have fault diagnosis reports, which makes fault diagnosis difficult and wastes resources.

[0029] This solution can combine the reading of ADC values ​​by the single chip 9 to determine the status of the satellite positioning antenna, and report it to the enterprise platform for early warning and remote troubleshooting in a timely manner through the wireless network, which is convenient for maintenance personnel to troubleshoot faults in a timely manner, greatly improving the efficiency of antenna fault location analysis; Example 2

[0030] The received signal is transmitted to the positioning module through the positioning antenna with an impedance value of 50 ohms. When designing the antenna circuit, VCC 3.3V is used to power the positioning module. By adding a 10 ohm resistor and a filter inductor, the voltage value at both ends of the antenna can be more accurately determined, thereby confirming the antenna fault status;

[0031] There are three antenna states:

[0032] 1. Normal: If the antenna is in normal state, the voltage value read by ADC is 2.75V (±15%).

[0033] 2. Open circuit: If the antenna is open circuit (such as no antenna connected), the voltage value read by the ADC is the direct power supply VCC3.3V (±5%).

[0034] 3. Short circuit: If the antenna is in short circuit state, the voltage value read by ADC is 0V.

[0035]

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A vehicle satellite positioning antenna design and fault diagnosis device, comprising a base (1), characterized in that: The top of the base (1) is connected to a support rod (2) via a thread, and the top of the support rod (2) is connected to a chassis (3) via a thread, a top cover (4) is fixed to the top of the chassis (3) via bolts, a circuit board is fixed to the top interior of the chassis (3) via screws, and a single-chip computer (9) is welded to the top outer wall of the circuit board.

2. A vehicle satellite positioning antenna design and fault diagnosis device according to claim 1, characterized in that: An interface (5) is provided on one side of the bottom circumference of the chassis (3), and a data cable (6) is clamped on one end of the interface (5).

3. A vehicle satellite positioning antenna design and fault diagnosis device according to claim 2, characterized in that: The port of the data line (6) is provided with an adapter (7).

4. The vehicle satellite positioning antenna design and fault diagnosis device according to claim 1, characterized in that: The circumferential inner walls of the bottom plate (3) and the top cover (4) are respectively bonded with corrugated folded plates (8) distributed at equal distances.

5. A vehicle satellite positioning antenna design and fault diagnosis device according to claim 4, characterized in that: Heat sinks (10) are arranged above the circuit board and are distributed at equal distances.

6. The vehicle satellite positioning antenna design and fault diagnosis device according to claim 1, characterized in that: The bottom plate (3) and the top cover (4) are mutually snap-fitted and adapted.

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