CN201429897Y

CN201429897Y - Portable smoldering fire fuming device

Info

Publication number: CN201429897Y
Application number: CN 200920014910
Authority: CN
Inventors: 宋洋; 梅志斌; 宋珍
Original assignee: Shenyang Fire Research Institute of Ministry of Public Security
Current assignee: Shenyang Fire Research Institute of Ministry of Public Security
Priority date: 2009-06-26
Filing date: 2009-06-26
Publication date: 2010-03-24
Anticipated expiration: 2019-06-26

Abstract

The utility model relates to a portable smoldering fire fuming device, which belongs to the evaluation field of fire detection alarming technology and comprises two parts, wherein one part is a temperature control part and the other part is a heating furnace tray part. The temperature control part comprises a temperature controller, an alternating current contactor, an input current control switchK1, an output current control switch K2, a temperature sensor and an external shell; and the heating furnace tray part comprises a furnace tray and an electric cooker. The utility model has the advantages of overcoming the limitation and the defects generated by a fuming tester which can not simulate the fire generation process which is the fume rising process, providing real fire smoke for on-site acceptance check and the research and the development of a special building structure and relevant tests for checking a smoke-sensing fire detector and having reality and reliability.

Description

Portable smoldering fire smoking device

Technical field

The utility model belongs to the fire detection technology field, particularly a kind of portable smoldering fire smoking device.

Background technology

Smoke fire detector smoke adding exerciser mainly comprises shower nozzle, connecting link and battery bar at present, wherein smog mainly is sent to around the smoke fire detector by connecting link, just the alarm threshold value to smoke fire detector carries out qualitative test, can't promptly rise the cigarette process by the simulated fire generating process, so in acceptance of work process, use and have limitation, wherein smoldering fire is the smoulder that material does not have visible light, is usually expressed as to produce the phenomenon that inflammable gas, smog and temperature raise.

Summary of the invention

Problem at the prior art existence, the utility model provides a kind of portable smoldering fire smoking device, by the heating stone or metal plate for standing a stove on as a precaution against fire cigarette source material is directly heated, making cigarette source material temperature raise to reach glows, the smog that generates when glowing is the volatile matter of material thermal decomposition, can be condensed into heavier high molecular component after entering air, form a kind of smog, can't promptly rise limitation and the drawback that the cigarette process is produced by the simulated fire generating process to solve the smoke adding exerciser, can provide real fire hazard aerosol fog in the test for the onsite acceptance of building structure and check smoke fire detector.

The technical solution of the utility model is achieved in that this device comprises that temperature control part divides and the heating furnace disc portion, wherein the temperature control part branch comprises temperature controller, A.C. contactor, input current gauge tap K1, output current gauge tap K2, temperature sensor and external shell, and the heating furnace disc portion comprises stone or metal plate for standing a stove on as a precaution against fire and Electric stove.

The connection of this device: external power supply live wire end L connects the input end of this device input current K switch 1, the output terminal of input current K switch 1 connects the operating voltage live wire end of temperature controller respectively, the input voltage live wire end of the output current normal-closed end of temperature controller and A.C. contactor, the output current common port of temperature controller connects the operating voltage live wire end of A.C. contactor, the temperature signal input end of temperature controller is connected respectively to the temperature sensor two ends, the output voltage live wire end of A.C. contactor connects the input end of output current gauge tap K2, the output terminal of output current gauge tap K2 connects the live wire end of Electric stove, the zero line side of the output voltage zero line side of A.C. contactor Electric stove in parallel, external power supply zero line side N connects the input voltage zero line side of A.C. contactor and the operating voltage zero line side of operating voltage zero line side and temperature controller respectively, and stone or metal plate for standing a stove on as a precaution against fire embeds on Electric stove.

Described stone or metal plate for standing a stove on as a precaution against fire surface is provided with locked groove.

Advantage of the present utility model: the cigarette source material is directly heated by the heating stone or metal plate for standing a stove on as a precaution against fire, making cigarette source material temperature raise to reach glows, the smog that generates when glowing is the volatile matter of material thermal decomposition, can be condensed into heavier high molecular component after entering air, form a kind of smog, can't promptly rise limitation and the drawback that the cigarette process is produced by the simulated fire generating process to solve the smoke adding exerciser, can provide real fire hazard aerosol fog in the correlation test for the onsite acceptance of building structure and check smoke fire detector, have authenticity and reliability more.

Description of drawings

Fig. 1 is the portable smoldering fire smoking device of a utility model electrical schematic diagram;

Fig. 2 is the portable smoldering fire smoking device of a utility model heating furnace disc portion structure principle chart.

Among the figure: 1 temperature controller, 2 A.C. contactors, 3 temperature sensors, 4 Electric stoves, 5 stone or metal plate for standing a stove on as a precaution against fires.

Embodiment

The detailed structure of a kind of portable smoldering fire smoking device of the utility model is illustrated in conjunction with the embodiments.

This device comprises that temperature control part divides and the heating furnace disc portion, wherein the temperature control part branch comprises temperature controller 1,3A A.C. contactor 2, input current gauge tap K1, output current gauge tap K2, temperature sensor 3 and external shell, and the heating furnace disc portion comprises stone or metal plate for standing a stove on as a precaution against fire 5 and Electric stove 4.

External power supply live wire end L connects the input end of this device input current K switch 1 as shown in Figure 1, the output terminal of input current K switch 1 connects 1 mouthful at the 220V operating voltage live wire end of temperature controller 1 respectively, the input voltage live wire end 1/L1 mouth and the 3/L2 mouth of 7 mouthfuls of output current normal-closed ends of temperature controller 1 and A.C. contactor 2, input voltage as A.C. contactor 2 is used for providing heating voltage to the heating stone or metal plate for standing a stove on as a precaution against fire, 7 mouthfuls of temperature controller 1 is normal-closed end, the operating voltage live wire end A1 mouth of 5 mouthfuls of connection A.C. contactors 2 of output current common port of temperature controller 1, the temperature signal input end of temperature controller 1 is connected respectively to temperature sensor 3 two ends for 8 mouthfuls and 9 mouthfuls, the output voltage live wire end 2/T1 mouth of A.C. contactor 2 is connected the input end of output current gauge tap K2 with the 4/T2 mouth, the output terminal of output current gauge tap K2 connects the live wire end L of Electric stove 4, the output voltage zero line side 6/T3 mouth of A.C. contactor 2 and the zero line side N of 14NO mouth Electric stove in parallel, external power supply zero line side N connects 2 mouthfuls of the 220V operating voltage zero line sides of the input voltage zero line side 5/L3 mouth of A.C. contactor 2 and 13NO mouth and operating voltage zero line side A2 mouth and temperature controller 1 respectively, import as the zero line of temperature controller 1 and the zero line of A.C. contactor 2, stone or metal plate for standing a stove on as a precaution against fire 5 embeds on

Electric stove

4,5 mouthfuls and 7 mouthfuls of lasting conductings when temperature does not reach temperature controller 1 preset threshold, 2 adhesives of control A.C. contactor, make the 1/L1 mouth of A.C. contactor 2 respectively, the 2/T1 mouth, the 3/L2 mouth, the 4/T2 mouth, the 5/L3 mouth, the 13NO mouth, 6/T3 mouth and the conducting of 14NO mouth, raise its temperature as long as closed K2 just can power to stone or metal plate for standing a stove on as a precaution against fire this moment.

Wherein stone or metal plate for standing a stove on as a precaution against fire 5 is made by copper material as shown in Figure 2, and thickness is 6mm, and diameter is 220mm, and there are 8 locked grooves on the surface, and well width is 5mm, and the degree of depth is 2mm, between groove and the groove apart from 3mm, groove and heating plate back gauge 4mm, Electric stove 4 is selected 2.5KW for use.

During dividing, adopts temperature control part above precision 1 degree of 1000 degree, following precision 0.5 degree of 1000 degree, output current is 3A, the temperature controller 1 of temperature bound can be set, the adhesive of controlling having or not of output current and then control A.C. contactor 2 by temperature controller 1 still disconnects, resistance wire and the conducting of 220V alternating current after the adhesive begin stone or metal plate for standing a stove on as a precaution against fire 5 is carried out heat temperature raising, when temperature reaches design temperature, by thermopair temperature signal being converted to electric signal returns to temperature controller 1, temperature controller 1 stops output current, makes A.C. contactor 2 disconnect, and resistance wire stops energising, temperature no longer rises, when temperature drops to certain numerical value,, make A.C. contactor 2 adhesives once more by the electric signal that temperature sensor 3 is passed back, the resistance wire energising, temperature rises, so repeatedly, and till off-test.

Claims

1, a kind of portable smoldering fire smoking device, comprise that temperature control part divides and the heating furnace disc portion, wherein the temperature control part branch comprises temperature controller, A.C. contactor, input current gauge tap K1, output current gauge tap K2, temperature sensor and external shell, the heating furnace disc portion comprises stone or metal plate for standing a stove on as a precaution against fire and Electric stove, it is characterized in that: external power supply live wire end L connects the input end of this device input current K switch 1, the output terminal of input current K switch 1 connects the operating voltage live wire end of temperature controller respectively, the input voltage live wire end of the output current normal-closed end of temperature controller and A.C. contactor, the output current common port of temperature controller connects the operating voltage live wire end of A.C. contactor, the temperature signal input end of temperature controller is connected respectively to the temperature sensor two ends, the output voltage live wire end of A.C. contactor connects the input end of output current gauge tap K2, the output terminal of output current gauge tap K2 connects the live wire end of Electric stove, the zero line side of the output voltage zero line side of A.C. contactor Electric stove in parallel, external power supply zero line side N connects the input voltage zero line side of A.C. contactor and the operating voltage zero line side of operating voltage zero line side and temperature controller respectively, and stone or metal plate for standing a stove on as a precaution against fire embeds on Electric stove.

2, by the described portable smoldering fire smoking device of claim 1, it is characterized in that described stone or metal plate for standing a stove on as a precaution against fire surface is provided with locked groove.