Integrated Wall Detector and Multimeter Circuit Separation
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Solution Overview
Problem
Existing wall detectors and digital multimeters require separate operations, increasing user workload, complexity, and purchase cost, while separate carrying results in low portability.
Innovation Solution
A detection device integrating a wall detection assembly and a multimeter assembly within a single housing, with separate functional areas and circuit layers to prevent interference, reducing the need for separate devices and improving portability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wall detector and digital multimeter are used separately, then each device can perform its dedicated function, but the user workload increases and the detection work becomes cumbersome and complex
Solution Approach 1:
The patent combines wall detection function and multimeter measurement function into a single integrated device. The housing contains both the wall detection assembly with sensor assembly and processing circuit, and the multimeter assembly with measurement circuit, allowing users to perform both wall detection and electrical parameter measurement with one device, thereby reducing user workload and eliminating the need to carry and operate two separate devices
Solution Approach 2:
The integrated detection device is designed to perform multiple functions: wall detection (detecting metal pipes, steel bars, wooden beams, lighting circuits) and multimeter measurements (voltage, current, resistance). This multi-functional design allows a single device to replace multiple dedicated tools, improving ease of operation while maintaining the reliability of each dedicated function through specialized circuits and sensor assemblies
2Reliability
If wall detector and digital multimeter are purchased and carried separately, then each device can be optimized for its specific function, but the purchase cost increases and carrying portability decreases
Solution Approach 1:
The patent integrates two previously separate devices (wall detector and digital multimeter) into one unified device. The housing contains both functional assemblies with their respective circuits and sensor elements, reducing the number of devices from two to one. This eliminates the need for separate purchases and carries, lowering overall cost and improving portability while maintaining optimized performance for each specific function through dedicated circuit designs
3Device complexity
If wall detection processing circuit and sensor assembly are integrated without separation, then the device structure is simplified, but interference between components may affect detection sensitivity and stability
Solution Approach 1:
The patent divides the internal structure into distinct functional areas: the wall detection processing circuit is positioned in a first setting area on the circuit setting layer, while the sensor assembly is located in the bottom housing in a separate position. The multimeter measurement circuit occupies a second setting area. This spatial segmentation prevents electromagnetic interference between the sensor assembly and processing circuits, maintaining detection sensitivity and stability while still achieving structural integration within a single housing
Solution Approach 2:
The circuit setting layer is designed with differentiated regions: the first setting area for wall detection processing circuit and the second setting area for multimeter measurement circuit. This local differentiation allows each circuit to be optimized for its specific function while preventing interference from other components. The sensor assembly is positioned in the bottom housing away from the circuit areas, creating local separation that maintains detection quality while achieving overall integration
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The integrated device simplifies work, reduces workload, lowers purchase costs, and enhances portability by combining wall detection and multimeter functions without interference, while maintaining sensitivity and stability.
Implementation Method 1
the sensor assembly includes a metal detection sensing element, a foreign object detection sensing element, and an AC voltage signal sensing element
Data Source
AI summary
A detection device includes a housing, a wall detection assembly, a multimeter assembly, and a circuit setting layer. The wall detection assembly includes a wall detection processing circuit and a sensor assembly. The multimeter assembly includes a multimeter measurement circuit. Both the circuit setting layer and the sensor assembly are located inside the housing. The housing consists of a top housing and a bottom housing that fit together. The circuit setting layer has a first setting surface facing the bottom housing, which includes a first setting area and a second setting area partitioned for different functions. The wall detection processing circuit is located in the first setting area, and the multimeter measurement circuit is located in the second setting area. The sensor assembly is located in the bottom housing and positioned opposite the first setting area.