Omnidirectional inclination angle laser ranging sensing fulcrum circuit
By adding a GNSS module to the sensor pivot, remote positioning and real-time location monitoring of the sensor pivot were achieved, solving the problems of easy theft and inconvenient management of the sensor, and improving the security and management efficiency of the system.
Patent Information
- Application Number
- CN202423155525.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In wireless sensor network systems, sensor pivots are easily stolen or moved, and after installation, it is difficult to achieve efficient and rapid monitoring and visualization management.
By adding a GNSS module to the sensor pivot, remote positioning and real-time acquisition of device location information can be achieved. The positioning chip IC3, power module and signal interface J20 are connected, and combined with MCU chip IC8 and other circuit components, high-precision geographic location information can be collected and monitored in real time.
It enables remote positioning and real-time location monitoring of sensor pivots, facilitating equipment verification and management, and improving system security and management efficiency.
Smart Images

Figure CN223870823U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sensor circuit technology, specifically to an omnidirectional tilt angle laser ranging sensor pivot circuit. Background Technology
[0002] Wireless sensor network systems utilize various sensor points to detect the current status of each point and transmit the data wirelessly. However, due to the high value of individual sensor points, installation in areas easily accessible to outsiders poses a risk of theft or unintentional movement. Furthermore, after installation, the installation team needs to manually record the installation location and then manually input this information into an automated platform, making efficient and rapid monitoring and visualization management difficult. Summary of the Invention
[0003] To address the aforementioned technical problems, this invention provides an omnidirectional tilt laser ranging sensor fulcrum circuit, which enables remote positioning and real-time acquisition of device location information.
[0004] The technical solution is as follows: an omnidirectional tilt laser ranging sensor pivot circuit, comprising a main control unit, a power supply circuit, a laser sampling module, a temperature sampling module, an acceleration sensor module, and an RF module. Its distinguishing feature is that it further comprises a GNSS daughterboard interface module, which connects to the GNSS module. The GNSS module includes a positioning chip IC3, a power supply module, and a power supply and signal interface J20. Pins 20 and 21 of the positioning chip IC3 are respectively connected to pins 2 and 3 of the power supply and signal interface J20. Pin 3 of the positioning chip IC3 is connected to one end of resistor R6. The other end of resistor R6, one end of resistor R7, is connected to the base of transistor Q1. The emitter of the transistor is connected to the other end of resistor R7 and ground. The base of transistor Q1 is connected to the cathode of indicator LED1. The anode of indicator LED1 is connected to the other end of resistor R3 and then to a 3.3V power supply. Pin 9 of positioning chip IC3 is connected to one end of inductor L3. The other end of inductor L3 is connected to one end of capacitor C12, interface J22, and pin 11 of positioning chip IC3. The other end of capacitor C12 is connected to pin 6 of operational amplifier IC4. Pins 4 and 5 of operational amplifier IC4 are connected to one end of inductor L1 and one end of capacitor C10. The other end of inductor L1 is connected to a 3.3V power supply. The other end of capacitor C10, pins 1 and 2 of operational amplifier IC4 are all connected to... The operational amplifier IC4 has its pin 3 connected to one end of inductor L2, and the other end of inductor L2 connected to one end of capacitor C11. The other end of capacitor C11 is connected to antenna J21. The power module includes power conversion chip IC1, power conversion chip IC2, and voltage converter IC5. Pins 1 and 3 of power conversion chip IC1 are connected to one end of capacitor C1, one end of capacitor C2, one end of capacitor C3, the cathode of diode D1, and VCC. Pin 2 of power conversion chip IC1 is connected to the other end of capacitor C1, the other end of capacitor C2, the other end of capacitor C3, the anode of diode D1, and ground. Pin 5 of power conversion chip IC1 is connected to one end of capacitor C4, one end of capacitor C9, and... The output is 3.3V. The other ends of capacitors C4 and C9 are both grounded. Pins 1 and 3 of power converter IC2 are connected to VCC, and pin 2 is grounded. Pin 5 of power converter IC2 is connected to one end of capacitor C5 and one end of capacitor C7, outputting 1.8V. The other ends of capacitors C5 and C7 are both grounded. Pin 3 of voltage converter IC5 is connected to one end of capacitor C14 and the 1.8V power supply. Pin 2 of voltage converter IC5 is connected to the other end of capacitor C14 and ground. Pin 7 of voltage converter IC5 is connected to the 3.3V power supply and one end of capacitor C13. The other end of capacitor C13 is grounded. Pin 6 of voltage converter IC5 is connected to 1.An 8V power supply is connected to one end of resistor R1, and the other end of resistor R1 is grounded. Pin 5 of voltage converter IC5 is connected to pin 4 of positioning chip IC3, pin 4 is connected to pin 15 of positioning chip IC3, pin 8 is connected to pin 4 of power supply and signal interface J20, and pin 1 is connected to pin 5 of power supply and signal interface J20.
[0005] A further feature is that the power module also includes an indicator LED2, the anode of which is connected to one end of a resistor R5, the cathode of which is grounded, and the other end of the resistor R5 is connected to VCC;
[0006] The main control unit includes an Atmegel128 MCU chip IC8;
[0007] The GNSS daughterboard interface module includes pins 2 to 5 of interface J6 connected to the power supply and signal interface J20. Pin 6 of interface J6 is connected to the drain of MOSFET Q2. The source of MOSFET Q2 is connected to one end of resistor R3 with a rated power of 3.8V. The gate of MOSFET Q2 is connected to the collector of transistor Q4 and the other end of resistor R3. The base of transistor Q4 is connected to one end of resistor R10 and one end of capacitor C41. The other end of capacitor C41 and the emitter of transistor Q4 are both grounded. The other end of resistor R10 is connected to pin 4 of MCU chip IC8.
[0008] By adopting this utility model, a GNSS module is added to the original equipment to control the collection of single geographic location information or multiple consecutive periodic high-precision geographic location information. After being turned on, the positioning function is activated to obtain the equipment location information in real time, which facilitates the confirmation, retrieval and visualization management of the monitoring equipment. Attached Figure Description
[0009] Figure 1 The schematic diagram of the main control unit circuit;
[0010] Figure 2 Schematic diagram of the power supply circuit;
[0011] Figure 3 This is the circuit schematic of the laser sampling module;
[0012] Figure 4 This is the circuit schematic of the temperature sampling module;
[0013] Figure 5 This is the circuit schematic of the acceleration sensor module;
[0014] Figure 6 This is the circuit schematic of the GNSS daughterboard interface module.
[0015] Figure 7This is the circuit schematic of the GNSS module;
[0016] Figure 8 This is the circuit schematic of the RF module. Detailed Implementation
[0017] See Figures 1 to 8As shown, an omnidirectional tilt laser ranging sensor pivot circuit includes a main control unit, a power supply circuit, a laser sampling module, a temperature sampling module, an acceleration sensor module, an RF module, and a GNSS daughterboard interface module. The GNSS daughterboard interface module is connected to the GNSS module. The GNSS module includes a positioning chip IC3, a power supply module, and a power supply and signal interface J20. Pins 20 and 21 of the positioning chip IC3 are connected to pins 2 and 3 of the power supply and signal interface J20, respectively. Pin 3 of the positioning chip IC3 is connected to one end of resistor R6. The other end of resistor R6, one end of resistor R7, is connected to the base of transistor Q1. The emitter of transistor Q1 is connected to the other end of resistor R7 and ground. The base of transistor Q1 is connected to the cathode of indicator LED1. The anode of indicator LED1 is connected to the other end of resistor R3, which is connected to a 3.3V power supply. Pin 9 of positioning chip IC3 is connected to one end of inductor L3. The other end of inductor L3 is connected to one end of capacitor C12, interface J22, and pin 11 of positioning chip IC3. The other end of capacitor C12 is connected to pin 6 of operational amplifier IC4. Pins 4 and 5 of operational amplifier IC4 are connected to one end of inductor L1 and one end of capacitor C10. The other end of inductor L1 is connected to a 3.3V power supply. The other end of capacitor C10, pins 1 and 2 of operational amplifier IC4 are grounded. Pin 3 of operational amplifier IC4 is connected to one end of inductor L2. The other end of inductor L2 is connected to one end of capacitor C11. The other end of capacitor C11 is connected to antenna J21. The power module includes power conversion chip IC1. Power converter IC2 and voltage converter IC5 are connected. Pins 1 and 3 of power converter IC1 are connected to one end of capacitor C1, one end of capacitor C2, one end of capacitor C3, the cathode of diode D1, and VCC. Pin 2 of power converter IC1 is connected to the other end of capacitor C1, the other end of capacitor C2, the other end of capacitor C3, the anode of diode D1, and ground. Pin 5 of power converter IC1 is connected to one end of capacitor C4 and one end of capacitor C9, outputting 3.3V. The other ends of capacitors C4 and C9 are grounded. Pins 1 and 3 of power converter IC2 are connected to VCC, and pin 2 is grounded. Pin 5 of power converter IC2 is connected to one end of capacitor C5 and one end of capacitor C7, outputting 1.8V. The other end of capacitor C5 is connected to... The other end of capacitor C7 is grounded. Pin 3 of voltage converter IC5 is connected to one end of capacitor C14 and the 1.8V power supply. Pin 2 of voltage converter IC5 is connected to the other end of capacitor C14 and ground. Pin 7 of voltage converter IC5 is connected to the 3.3V power supply and one end of capacitor C13. The other end of capacitor C13 is grounded. Pin 6 of voltage converter IC5 is connected to the 1.8V power supply and one end of resistor R1. The other end of resistor R1 is grounded. Pin 5 of voltage converter IC5 is connected to pin 4 of positioning chip IC3, pin 4 is connected to pin 15 of positioning chip IC3, pin 8 is connected to pin 4 of power supply and signal interface J20, and pin 1 is connected to pin 5 of power supply and signal interface J20. Power conversion chips IC1 and IC2 convert VCC to 3.3V and 1V respectively.The 8V voltage is then used to power the positioning chip IC3 via voltage converter IC5. The power module also includes indicator LED2; the anode of LED2 is connected to one end of resistor R5, the cathode is grounded, and the other end of resistor R5 is connected to VCC.
[0018] The main control unit includes an Atmegel128 MCU chip IC8, a matching crystal oscillator X2, a clock chip IC9, etc.
[0019] The GNSS daughterboard interface module includes pins 2 to 5 of interface J6, which are connected to the power supply and signal interface J20. Pin 6 of interface J6 is connected to the drain of MOSFET Q2. The source of MOSFET Q2 is connected to one end of resistor R3 with a rated power of 3.8V. The gate of MOSFET Q2 is connected to the collector of transistor Q4 and the other end of resistor R3. The base of transistor Q4 is connected to one end of resistor R10 and one end of capacitor C41. The other end of capacitor C41 and the emitter of transistor Q4 are both grounded. The other end of resistor R10 is connected to pin 4 of MCU chip IC8.
[0020] The power supply circuit, laser sampling module, temperature sampling module, acceleration sensor module, RF module, etc. are all similar to those in existing products, and will not be described in detail here. Please refer to the detailed circuit schematic for details.
Claims
1. An omnidirectional tilt angle laser ranging sensing pivot circuit, comprising a main control unit, a power supply circuit, a laser sampling module, a temperature sampling module, an acceleration sensor module, and an RF module, characterized in that, It also includes a GNSS daughterboard interface module, which connects to the GNSS module. The GNSS module includes a positioning chip IC3, a power supply module, and a power supply and signal interface J20. Pins 20 and 21 of the positioning chip IC3 are connected to pins 2 and 3 of the power supply and signal interface J20, respectively. Pin 3 of the positioning chip IC3 is connected to one end of resistor R6. The other end of resistor R6, one end of resistor R7, is connected to the base of transistor Q1. The emitter of transistor Q1 is connected to the other end of resistor R7 and ground. The base of transistor Q1 is connected to the cathode of indicator LED1. The anode of indicator LED1 is connected to the other end of resistor R3 and then to a 3.3V power supply. Pin 9 of the positioning chip IC3... One end of inductor L3 is connected to the other end of capacitor C12, interface J22, and pin 11 of positioning chip IC3. The other end of capacitor C12 is connected to pin 6 of operational amplifier IC4. Pins 4 and 5 of operational amplifier IC4 are connected to one end of inductor L1 and one end of capacitor C10. The other end of inductor L1 is connected to a 3.3V power supply. The other end of capacitor C10, pins 1 and 2 of operational amplifier IC4 are grounded. Pin 3 of operational amplifier IC4 is connected to one end of inductor L2. The other end of inductor L2 is connected to one end of capacitor C11. The other end of capacitor C11 is connected to antenna J21. The power module includes power conversion chip IC1, power conversion chip IC2, and voltage conversion... The power conversion chip IC1 has its pins 1 and 3 connected to one end of capacitor C1, one end of capacitor C2, one end of capacitor C3, the cathode of diode D1, and VCC. Pin 2 of the power conversion chip IC1 is connected to the other end of capacitor C1, the other end of capacitor C2, the other end of capacitor C3, the anode of diode D1, and ground. Pin 5 of the power conversion chip IC1 is connected to one end of capacitor C4 and one end of capacitor C9, outputting 3.3V. The other ends of capacitors C4 and C9 are both grounded. The power conversion chip IC2 has its pins 1 and 3 connected to VCC, and pin 2 grounded. Pin 5 of the power conversion chip IC2 is connected to one end of capacitor C5 and one end of capacitor C7, outputting 1.8V. The other ends of C5 and C7 are both grounded. Pin 3 of voltage converter IC5 is connected to one end of capacitor C14 and a 1.8V power supply. Pin 2 of voltage converter IC5 is connected to the other end of capacitor C14 and ground. Pin 7 of voltage converter IC5 is connected to a 3.3V power supply and one end of capacitor C13. The other end of capacitor C13 is grounded. Pin 6 of voltage converter IC5 is connected to a 1.8V power supply and one end of resistor R1. The other end of resistor R1 is grounded. Pin 5 of voltage converter IC5 is connected to pin 4 of positioning chip IC3, pin 4 is connected to pin 15 of positioning chip IC3, pin 8 is connected to pin 4 of power supply and signal interface J20, and pin 1 is connected to pin 5 of power supply and signal interface J20.
2. The omnidirectional tilt angle laser ranging sensing pivot circuit according to claim 1, characterized in that, The power module also includes an indicator LED2, the anode of which is connected to one end of a resistor R5 and the cathode is grounded, and the other end of the resistor R5 is connected to VCC.
3. The omnidirectional tilt angle laser ranging sensing pivot circuit according to claim 1, characterized in that, The main control unit includes an Atmegel128 MCU chip IC8.
4. The omnidirectional tilt angle laser ranging sensor pivot circuit according to claim 3, characterized in that, The GNSS daughterboard interface module includes pins 2 to 5 of interface J6 connected to the power supply and signal interface J20. Pin 6 of interface J6 is connected to the drain of MOSFET Q2. The source of MOSFET Q2 is connected to one end of resistor R3 with a rated power of 3.8V. The gate of MOSFET Q2 is connected to the collector of transistor Q4 and the other end of resistor R3. The base of transistor Q4 is connected to one end of resistor R10 and one end of capacitor C41. The other end of capacitor C41 and the emitter of transistor Q4 are both grounded. The other end of resistor R10 is connected to pin 4 of MCU chip IC8.