The tester of smoke detector that band purges
Technical field
The present invention relates to the detection of fire-fighting sensor, be specifically related to a kind of device for carrying out smoke adding test to smoke detector.
Background technology
In all kinds of building, particularly in public building, substantially automatic fire alarm and spray system is all provided with, installing system, debug, in the course of receiving, and be ensure in the routine maintenance procedure of system worked well, all need to test smoke detector wherein, comprise and carry out on-the-spot smoke adding test.
When carrying out on-the-spot smoke adding test, need to adopt tester of smoke detector.In the process of the test of smoke detector, because residing position ventilation condition is bad, mostly be airtight place, test smog can be caused can not to dissipate for a long time in detection cavity, thus cause the alarm condition of smoke detector can not eliminate always, short then 1-2 minute, long even may reach 5-10 minute, because smoke detector distribution is wide, quantity is many, brings very large puzzlement to experiment work, and single smoke detector test period is long on the one hand, on the other hand due to the existence of fire alarm hidden danger, scene must maintain the state that people makes an inspection tour.
Therefore, if can, after carrying out smoke adding test, make the fast quick-recovery of smoke detector normally work, effectively can alleviate workload during smoke adding test, shorten test period.
Summary of the invention
The object of the invention provides a kind of tester of smoke detector, is improved by structure, makes smoke detector fast quick-recovery normal operating conditions after completing smoke adding test.
For achieving the above object, the technical solution used in the present invention is: a kind of tester of smoke detector, primarily of base bar and the opium pipe head formation being arranged on base boom end, smoking device is provided with in opium pipe head, blower fan, flue and control device, the smoke outlet of flue is positioned at the top of opium pipe head, control device comprises the switch being located at opium pipe crown end, described blower fan is direct current two-way blower fan, described switch is dibit microswitch, first connected state of described dibit microswitch makes direct current two-way blower fan rotate forward, second connected state of described dibit microswitch makes direct current two-way blower fan reverse.
During use, make bottom compressing dibit microswitch to the first connected state of smoke detector, blower fan rotates forward, and outwards blows cigarette, starts smoke adding operation, smog enters tester of smoke detector, after keeping process of the test 6-30s, again make the bottom compressing dibit microswitch of smoke detector, dibit microswitch enters the second connected state, blower fan starts air-breathing of reversing, and realizes the purging to smog in smoke detector detection cavity.
Because technique scheme is used, the present invention compared with prior art has following advantages:
Because the present invention is provided with dibit microswitch and two-way blower fan, while realizing smoke detector test, blower fan is utilized to reverse, its rapid dispersion of absorption enhancement is carried out to testing smog in detection cavity, thus eliminate warning as early as possible, recover the duty of smoke detector, for the work at scene brings great convenience.
Accompanying drawing explanation
Fig. 1 is the structural representation of dibit microswitch in the embodiment of the present invention one.
Fig. 2 is blower fan connecting circuit schematic diagram under two kinds of connected states.
Embodiment
Below in conjunction with figure and embodiment the invention will be further described:
Embodiment one: a kind of tester of smoke detector, primarily of base bar and the opium pipe head formation being arranged on base boom end, smoking device is provided with in opium pipe head, blower fan, flue and control device, the smoke outlet of flue is positioned at the top of opium pipe head, control device comprises the switch being located at opium pipe crown end, described blower fan is direct current two-way blower fan, shown in Figure 1, described switch is dibit microswitch, wherein, contact 1 is communicated with formation first connected state with 2, contact 3 is communicated with formation second connected state with 4, shown in Figure 2, first connected state of described dibit microswitch makes direct current two-way blower fan rotate forward, second connected state of described dibit microswitch makes direct current two-way blower fan reverse.
Thus, the present embodiment in the same apparatus, achieves smoke detector test and smoke evacuation two functions; Flicking---test; Again by or heavily press---smoke evacuation.Warning can be eliminated as early as possible, recover the duty of smoke detector, for the work at scene brings great convenience.