5results about How to "Reduce maintenance man-hours" patented technology

This utility model discloses a wire damage detection circuit, comprising a signal acquisition unit, a frequency conversion unit, a phase-locked loop (PLL) processing unit, a signal output unit, and a main control unit. The acquisition unit introduces the capacitance change between the isolation tool and the wire core into the circuit via a shielded single-core cable; an inverting oscillator-adjustable digital potentiometer network converts the capacitance difference into a frequency signal; the PLL performs phase comparison on this signal and outputs a linear analog voltage; the signal output unit amplifies, performs threshold comparison, and drives the signal to achieve visual alarm of the wire damage status and MCU quantization sampling. This circuit features high sensitivity, compact structure, low cost, and adaptive calibration and software filtering functions, enabling real-time detection of contact damage under high-speed wire stripping conditions.

This utility model provides a quick-release modular automotive seat suspension, relating to the field of automotive seat accessory technology. It includes a seat body, backrest, suspension mount, disassembly / assembly assembly, and auxiliary components. The seat body and backrest are externally connected to a seat frame. The suspension mount is connected to the lower end of the seat frame via the disassembly / assembly assembly. The auxiliary components are disposed inside the suspension mount. The disassembly / assembly assembly includes a lower locking seat, a insertion hole, an adjusting bolt, a connecting rod, a limiting pin, an upper locking seat, a insertion post, a limiting hole, a positioning block, an upper magnet, and a lower magnet. The auxiliary components include a pressure sensor, a vibration sensor, and an infrared sensor. The auxiliary components also include a data transmission module, which is electrically connected to the pressure sensor, vibration sensor, and infrared sensor respectively. This enables quick and stable disassembly / assembly of the seat frame and suspension mount, facilitating rapid disassembly and repair in case of seat malfunction. Maintenance of the seat frame or suspension mount can be performed independently without disassembling the overall structure.

This invention discloses a low-voltage wiring harness technology for vehicle front doors, specifically a structure for easy assembly and maintenance of a low-voltage wiring harness for vehicle front doors. The structure includes: a main front door wiring harness; at least one functional branch wiring harness assembly; and at least one quick-connect connector assembly. The quick-connect connector assembly includes a detachably connectable male connector terminal and a female connector terminal. The male connector terminal is provided with conductive contact terminals and is fixedly connected to the functional branch wiring harness assembly. The female connector terminal is disposed on the main front door wiring harness, thereby enabling the functional branch wiring harness assembly and the main front door wiring harness to form a modular connection. This invention employs a modular branch design combined with a foolproof quick-connect connector, completely changing the traditional overall binding mode. Assembly personnel can quickly connect the harness based on clear markings and the foolproof structure, significantly simplifying the assembly process and effectively reducing the probability of incorrect or missing connections.

The utility model provides a denitration VOC (volatile organic compound) integrated device which comprises a combustion chamber and a plurality of heat storage chambers communicated with the combustion chamber, an air inlet branch pipe, an exhaust branch pipe and a purging branch pipe are arranged at the bottom of the heat storage chamber; a low-nitrogen combustor is arranged at the top of the combustion chamber; a first-stage heat accumulator, a reducing agent spraying opening, an SCR device and a second-stage heat accumulator are sequentially arranged in the heat accumulation chamber from top to bottom; scavenging valves are arranged on the air inlet branch pipe and the exhaust branch pipe; according to the integrated RTO device disclosed by the utility model, denitration VOC is integrated into the integrated RTO device, so that the occupied area is saved; mutual abrasion between the catalyst and the heat storage bricks is avoided; the overall service life of equipment is prolonged; the low-nitrogen combustor reduces NOX generation from the source, the catalyst load of the SCR module is reduced, the catalyst activity attenuation rate is slowed down, the ammonia escape rate is effectively reduced, and secondary pollution is avoided.

The utility model relates to the technical field of door and window structures, in particular to a novel fireproof partition door and window structure. Comprising a window frame and a door frame which are fixedly connected, a fireproof door is rotationally arranged in the door frame, a door lock is fixedly arranged on the fireproof door, fireproof glass is arranged in the window frame, a containing groove is formed in the window frame, a fireproof expansion layer fixedly connected to the window frame is arranged on the edge of the containing groove, and the fireproof glass is installed in the containing groove. According to the fireproof door and window frame, the fireproof expansion layer is arranged in the containing groove, the fireproof expansion layer rapidly expands to form a compact carbonization layer when meeting fire, tiny gaps (smaller than or equal to 1 mm) between the door and window frame and the glass and between the door and window frame and the door plate are filled, permeation paths of flames, high-temperature gas (larger than or equal to 300 DEG C) and toxic smoke are blocked, the fire spreading time is prolonged to 90 minutes or above, and therefore the technical problem is solved.