Engineering Scope
The low-power pipe network acoustic acquisition recorder was developed to meet the demand of "the water supply pipe network needs to regularly collect sound for leakage analysis", and the collection, processing, communication and power supply are designed as one set of products. The project can start from new main board development, existing firmware modification or designated module integration. The development scope is confirmed based on the target function, existing foundation and delivery requirements.
Interfaces and Product Integration
Develop scheduled audio sampling, front-end power supply, time synchronization, feature or fragment storage, and batch upload.
Power Supply and State Scheduling
The front end is enabled regularly, the startup transition period is excluded, and sampling, storage and batch reading are completed.
Data and System Integration
Clear connections and data formats around acoustic sensors, low-noise front-ends, sampling rates and clock synchronization, and define recording, transmission, acknowledgment and exception states.
Prototypes, Testing and Deliverables
Form the front-end design, acquisition firmware, time synchronization configuration and sound recording files, focusing on verifying the sampling period, data volume, front-end startup noise and upload energy; leakage points will be evaluated separately.
System Architecture and Operation
The front end is enabled regularly, the startup transition period is excluded, and sampling, storage and batch reading are completed.
- Interface composition: acoustic sensor, low-noise front end, sampling rate and clock synchronization.
- Work scheduling: Determine each status based on sampling, interaction and reception requirements, indicating which circuits continue to run.
- Exception handling: Define deadlines, bounded retries, and recovery behaviors for applicable communication, sensing, or execution tasks.
Design Conditions and Functional Limits
The sound collection service does not directly promise leakage point identification or positioning results.
Define power targets together with functional requirements. Battery-life estimates must specify the battery, temperature, operating cycle, event frequency and network conditions. Keep estimates separate from continuous-operation test results.
Project Inputs
| Data category | Startup data |
|---|---|
| business work cycle | The water supply pipeline network needs to regularly collect sounds for leakage analysis; provide typical usage processes, sampling and upload times, target battery life and response requirements. |
| Product interface and structure | Acoustic sensor, low-noise front-end, sampling rate and clock synchronization; for existing products, provide schematics, a bill of materials (BOM), firmware and prototypes. |
| Batteries and site conditions | Provide battery model, power supply range, cut-off voltage, temperature, installation method and communication conditions. |
| Delivery and Responsibility | Clarify the scope of source code and design files, platform docking, number of prototypes, test conditions and third-party work. |
Delivery and Acceptance
| Delivery project | Verification method |
|---|---|
| Design and implementation | Front-end design, acquisition firmware, time synchronization configuration and sound recording files; the scope of hardware, source code and third-party components is specified in the brief. |
| Functional verification | Enable the front end regularly, exclude the startup transition period, complete sampling, storage and batch reading; record the input, output and recovery results of each state. |
| Power consumption verification | Sampling period, data volume, front-end startup noise and upload energy; leakage point judgment will be evaluated separately. Fix the battery side measurement point to record the energy from the full task cycle until the device returns to sleep. |
| Exceptions and retesting | Covers applicable situations such as low battery, continuous triggering, loss of connection or restart, and retains original logs, waveforms and versions. |
Specialist Engineering Services
Select the required modules based on the existing product. Interfaces and responsibilities are defined in the project scope.
Low-Leakage Hardware and PCB Development
Low-leakage hardware and PCB development services, checking static paths, protection devices, level translation and device quiescent current, delivering schematics, PCB source files, BOM, manufacturing files and node current records. The scope of the project is determined based on the target equipment, existing data and acceptance conditions.
Explore the ScopeSpecialist EngineeringLow-Power Sensor Acquisition Driver Development
Sensor low-power acquisition driver development service, develop single measurement, FIFO, interrupt and power supply control, retain the necessary stabilization time, and deliver driver source code, parameter description, sampling record and exception handling. The scope of the project is determined based on the target equipment, existing data and acceptance conditions.
Explore the ScopeSpecialist EngineeringOn-Device Feature Extraction and Data Reduction
Local feature extraction and data reduction development services, develop features, aggregation or compression, compare the energy added by calculation and reduced by transmission, deliver algorithm code, parameters, data comparison and end-to-end energy consumption records. The scope of the project is determined based on the target equipment, existing data and acceptance conditions.
Explore the ScopeSpecialist EngineeringLow-Power State Machine and Fault Recovery Development
Low-power state machine and exception recovery development services, design failure exit, bounded retry, persistence and restart recovery, delivery of state diagrams, code, configuration and fault injection records. The scope of the project is determined based on the target equipment, existing data and acceptance conditions.
Explore the ScopeSpecialist EngineeringSystem Power, Battery Life and Environmental Validation
Complete machine power consumption, battery life and environmental verification services, measuring state current, event energy, peak voltage drop and long-term business operation, delivering original waveforms, logs, calculation sheets, test reports and coverage. The scope of the project is determined based on the target equipment, existing data and acceptance conditions.
Explore the ScopeFrequently Asked Questions
How to balance recording quality and battery life?+
First determine the effective frequency band, period and sample length, and then compare the original clips and feature upload methods; the front-end stabilization time and clock synchronization power consumption are measured together.
Is it possible to develop only part of an existing product?+
Module development or power consumption optimization can be carried out according to the existing interface and modifiable range. For this product, you first need to check the acoustic sensor, low-noise front end, sampling rate and clock synchronization, and then determine the scope of changes and regression.
How to determine the cost and period of this project?+
The evaluation is split based on deliverables such as front-end design, acquisition firmware, time synchronization configuration and sound recording files; the prototype materials, structure, platform, external testing and new functions are listed separately, and quotations and nodes are formed after the requirements and interfaces are confirmed.
Engineering References
The configuration of GPIO should be checked together with the external circuit, sleep mode and wake-up status; the actual parameters are subject to the target chip data and the whole board test. GPIO and power state design reference
Online
Phone
WeChat
Top