The pick-up unit of a kind of building fire protection facility heat detector in special high temperature fire district
Technical field:
The utility model relates to the pick-up unit of a kind of building fire protection facility heat detector in special high temperature fire district.
Background technology:
In building fire protection facility field, in general fire district, normal temperature is less than 35 DEG C, so its fire prevention detected temperatures should at about 68 DEG C; But in special high temperature fire district, normal temperature, generally more than 35 DEG C, the highlyest even reaches 200 DEG C; So, in special fire district, only take special pick-up unit could to detect special heat detector.
Summary of the invention:
Under meeting special building environment, need the detection of the heat detector of special high temperature fire-preventive environment, the utility model provides the pick-up unit of a kind of building fire protection facility heat detector in special high temperature fire district, it is characterized in that: the sensing rod for temperature (1) with heat detector enters the test chamber (3) with arcuation parcel shape interior reflective surface by the opening (2) in test chamber (3), the root of test chamber (3) is equipped with bulb (4).The test chamber (3) with arcuation parcel shape interior reflective surface has good reflective thermal-insulating effect, during detection, the sensing rod for temperature (1) of heat detector enters in test chamber (3) from opening (2), the heat that bulb (4) continues to send, in test chamber (3) accumulation, just can reach required detected temperatures.
The pick-up unit of above-mentioned a kind of building fire protection facility heat detector in special fire district, is characterized in that: test chamber (3) is double-deck chamber, between two-layer, insulation material is housed.Said structure effectively enhances the heat insulation effect of test chamber (3).
The pick-up unit of above-mentioned a kind of building fire protection facility heat detector in special fire district, is characterized in that: be socketed the locating cover (5) that there are opening in central authorities in the outside of opening (2).Socket and opening (2) neighboring of locating cover (5) are tightly connected, and sensing rod for temperature (1) is accurately positioned after entering opening (2).
Invention effect of the present utility model: the distinct temperature testing requirement required for the test chamber (3) having had arcuation to wrap up shape interior reflective surface just can require according to particular surroundings arranges the power of bulb and detects the length of heat time, thus utilize the test chamber (3) with arcuation parcel shape interior reflective surface effectively controls interior in detected temperatures, reach the object of detection.
Accompanying drawing illustrates:
Fig. 1, structural representation of the present utility model.
Another structural representation of Fig. 2, Fig. 1.
Embodiment:
Embodiment 1:
See Fig. 1, the sensing rod for temperature (1) with heat detector enters the test chamber (3) with arcuation parcel shape interior reflective surface by the opening (2) in test chamber (3), the root of test chamber (3) is equipped with bulb (4).Tested environment is baking finish for car workshop, and its temperature is 120 DEG C, and the temperature of detection is 160 DEG C.
Embodiment 2:
See Fig. 2, test chamber (3) is double-deck chamber, is air between two-layer.The test chamber (3) of arcuation parcel shape interior reflective surface seals with traditional explosion-proof lamp (6) and is socketed, and is socketed the locating cover (5) that there are opening in central authorities in the outside of opening (2).All the other are identical with embodiment.