Smoke detection system of car engine room
A technology for smoke detection and engine compartment, which is applied in the direction of measuring devices, scattering characteristic measurement, instruments, etc., and can solve the problem that smoke detectors cannot be used
Inactive Publication Date: 2009-06-03
JILIN UNIV
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[0003] The purpose of the present invention is to provide a smoke detection system in the engine compartment of an automobile to meet the needs of detecting the smoke concentration in the engine compartment of the automobile in the operating environment, and to overcome the environmental conditions that the existing smoke detectors cannot operate under high temperature, high vibration, and large dust. flaws used under
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[0020] The present invention will be described in further detail below in conjunction with the embodiment shown in accompanying drawing:
[0021] The smoke concentration sensor 4 and the thermal sensor 13 are installed on the circuit board 14, thereby being fixed on the damping box base 15; the smoke detection device 30 will make the circuit board from the aperture of the damping box 12 and the fixed box base 18 through the data transmission line. Connect with the ADAM module 25, the output end of the ADAM module 25 will be connected to the input end of the industrial computer 26, the output signal of the industrial computer 26 will be connected to the input end of the alarm controller 28, and the dust stop cover 7 is installed at the starting end of the smoke collection pipe 6 , The suction pump 3 is installed on the outer port of the exhaust pipe 2.
[0022] Wherein the smoke detection device is installed in places such as the engine compartment or the cab, and detects the s...
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The invention relates to a smoke detection system of a car engine room, and belongs to the field of comprehensive monitoring pre-warning technology of a car-operating safe state, aiming at meeting the needs of detecting the smoke density of the engine room under the operating environment of the car and overcoming the disadvantages that the existing smoke detection device can not be used under the environment of high temperature, frequent vibration and more dust. The solving scheme is that: the system comprises a smoke detection device, an ADAM module, a control processing unit, a voltage-stabilizing power supply and a warning device; the smoke detection device mainly comprises a fixing box and a vibration-decreasing box in the fixing box; the inner cavity of the vibration-decreasing box is a smoke detection room, and a smoke density and temperature sensor is arranged in the room; and a smoke collecting pipe and an air discharging pipe which are communicated with the smoke detection room are arranged on the wall of the fixing box; the output end of the ADAM module is connected with the input end of the control processing unit, and the outputting signal of the control processing unit is connected to the warning device.
Description
Technical field: [0001] The invention relates to the technical field of comprehensive monitoring and early warning of the safety state of automobile operation, that is, a specially designed smoke detection device is integrated with information collection and processing equipment to form a smoke detection system in the engine compartment of the automobile, which realizes the monitoring of the safety state of the engine operation and provides an early warning function. Background technique: [0002] All smoke detectors are made up of two basic parts: a sensor to sense the smoke, and a very loud electronic horn to wake people up. According to different working principles, commonly used smoke detectors can be divided into two types: photoelectric detectors and ionization detectors. Its technical and working environment characteristics can be summarized as follows: the ambient temperature is about -10° to 50°, and the ceiling structure is mostly used. The installation location of...
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IPC IPC(8): G01N15/00G01N21/47G01N27/62G08B21/12
Inventor 王云鹏李世武隗海林杨志发张景海周茹波孙文才董胜武杨斯淇田晶晶
Owner JILIN UNIV