CN213337233U - Calibration smoke box for detecting sensitivity of smoke fire detector - Google Patents
Calibration smoke box for detecting sensitivity of smoke fire detector Download PDFInfo
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- CN213337233U CN213337233U CN202022407482.6U CN202022407482U CN213337233U CN 213337233 U CN213337233 U CN 213337233U CN 202022407482 U CN202022407482 U CN 202022407482U CN 213337233 U CN213337233 U CN 213337233U
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Abstract
The utility model relates to a calibration smoke box for detecting the sensitivity of a smoke fire detector, which comprises a waist-shaped smoke box flue; a circulating component for circulating smoke is arranged in the smoke box flue; two groups of smoke concentration samplers and two groups of sampler mounting seats which correspond to the two groups of smoke concentration samplers one by one are also arranged in the smoke box flue; the two groups of smoke concentration samplers are respectively positioned at the first turning point and the last turning point of the smoke box flue; the calibration smoke box also comprises a height adjusting component; the height adjusting component is used for adjusting the heights of the two groups of sampler mounting seats. The improved calibration smoke box has good flexibility and high sampling data stability.
Description
Technical Field
The utility model relates to a smoke box technical field, more specifically say, relate to a detection smoke fire detector sensitivity's demarcation smoke box.
Background
The smoke box for detecting the threshold value of the smoke fire detector is special equipment for detecting whether the smoke fire detector meets the national standard. At present, the photoelectric smoke detector for collecting smoke concentration data samples is only arranged at the front end of a smoke box flue of the detection smoke box, the position of the photoelectric smoke detector is fixed and unadjustable, and the representativeness of collected data is poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a calibration smoke box that detects smoke fire detector sensitivity is provided to and three kinds of application methods who mark the smoke box.
The utility model provides a technical scheme that its technical problem adopted is:
on one hand, the calibration smoke box for detecting the sensitivity of the smoke fire detector comprises a waist-shaped smoke box flue; a circulating component for circulating smoke is arranged in the smoke box flue; the smoke box comprises a smoke box flue, a smoke concentration sampler, a sampler mounting seat, a smoke concentration sampler mounting seat and a smoke concentration sampler mounting seat, wherein the smoke box flue is internally provided with two groups of smoke concentration samplers and two groups of sampler mounting seats which correspond to the two groups of smoke concentration samplers one to one; the two groups of smoke concentration samplers are respectively positioned at the first turning point and the last turning point of the smoke box flue; the calibration smoke box also comprises a height adjusting component; the height adjusting assembly is used for adjusting the heights of the two groups of sampler mounting seats.
In another aspect, a method for using a calibration smoke box is provided, wherein the method comprises the following steps: and rotating the longitudinal screw rod, and loosening the longitudinal screw rod after the sampler mounting seat reaches the designated height to finish the height adjustment work.
In another aspect, a method for using a calibration smoke box is provided, wherein the method comprises the following steps: the depth of the scale rod penetrating into the smoke box flue is adjusted, and after the sampler mounting seat reaches a specified height, the first limiting pin is rotated to be clamped into the first transverse clamping groove, so that the height adjusting work is completed.
In another aspect, a method for using a calibration smoke box is provided, wherein the method comprises the following steps: the depth of the first connecting column penetrating into the smoke box flue is adjusted, and after the sampler mounting seat reaches the designated height, the second limiting pin is inserted into the second transverse clamping groove, so that the height adjusting work is completed.
The beneficial effects of the utility model reside in that: the flexibility is good, and the sampled data stability is high. Specifically, under the action of the circulation component, smoke in a smoke box flue circularly flows, and the two groups of smoke concentration samplers respectively collect the smoke concentrations at the first turning point and the last turning point, so that multi-point collection is realized, and the smoke concentration condition of the internal environment can be comprehensively known and analyzed; furthermore, the height of the two groups of sampler mounting seats can be adjusted by the height adjusting assembly, and a user can adjust the height of the sampler mounting seats according to different products, so that the sampler mounting seat is good in applicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:
fig. 1 is a schematic view of an overall structure of a calibration smoke box for detecting sensitivity of a smoke fire detector according to an embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic diagram illustrating the use of a first subassembly in a calibration smoke box for detecting the sensitivity of a smoke fire detector according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a second subassembly in a calibration smoke box for detecting the sensitivity of a smoke fire detector according to a second embodiment of the present invention;
fig. 5 is a schematic diagram of a third embodiment of the present invention, illustrating the use of a height adjustment assembly in a calibration smoke box for detecting the sensitivity of a smoke fire detector;
fig. 6 is a schematic diagram of the use of the height adjusting component in the calibration smoke box for detecting the sensitivity of the smoke fire detector provided by the fourth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example one
The embodiment of the utility model provides a calibration smoke box for detecting the sensitivity of a smoke fire detector, as shown in figures 1-3, comprising a waist-shaped smoke box flue 10; the inside of the smoke box flue 10 is provided with a circulation component (not shown in the figure) which enables smoke to circularly flow; two groups of smoke concentration samplers 11 and two groups of sampler mounting seats 12 which correspond to the two groups of smoke concentration samplers 11 one by one are also arranged in the smoke box flue 10; the two groups of smoke concentration samplers 11 are respectively positioned at the first turning point and the last turning point of the smoke box flue 10; the calibration smoke box also comprises a height adjusting component; the height adjustment assembly is used to adjust the height of the two sets of sampler mounts 12. The demarcation smoke box after the improvement, the flexibility is good, the sampling data stability is high, and is specific: under the action of a circulating component (not shown in the figure), smoke in the smoke box flue 10 circularly flows, and the two groups of smoke concentration samplers 11 respectively collect smoke concentrations at the first turning point and the last turning point, so that multi-point collection is realized, and the smoke concentration condition of the internal environment can be comprehensively known and analyzed; furthermore, the height of two sets of sample thief mount pads 12 can be adjusted to the altitude mixture control subassembly, and the user can be according to different products, adjusts the height of sample thief mount pad 12, and the suitability is good.
As shown in fig. 2-3, the upper surface of the smoke box flue 10 is provided with two openings (not shown in the figures) corresponding to the two sets of sampler mounting seats 12 one to one; an opening (not shown) for taking out or putting in the smoke concentration sampler 11; the height adjusting assembly comprises two groups of first sub-assemblies 13 which correspond to the two groups of sampler mounting seats 12 one by one; the first subassembly 13 comprises a sealing plate 14 covering the opening, an upper pressure plate 15 matched with the smoke box flue 10 to clamp the sealing plate 14, and a longitudinal screw 16 with the tail end fixed with the sampler mounting seat 12; the sealing plate 14 is provided with a first threaded hole adapted to the longitudinal screw 16; the upper platen 15 is fixed to the smoke box 10. When the sampler is used, the longitudinal screw 16 is rotated, and after the sampler mounting seat 12 reaches a specified height, the longitudinal screw 16 is loosened, so that the height adjustment work is completed, and the sampler is convenient to adjust and simple in structure.
As shown in fig. 2, a handle 17 is fixedly arranged at the upper end part of the longitudinal screw 16; the upper surface of the smoke box flue 10 is provided with a locking component corresponding to the upper pressure plate 15; the locking assembly comprises two groups of locking blocks 18 corresponding to two ends of the upper pressure plate 15 respectively, and two groups of first screws (not shown in the figure) corresponding to the two groups of locking blocks 18 one by one; the locking block 18 is fixed with the smoke box flue 10; a first screw (not shown) for locking the upper press plate 15 and the locking block 18; the upper press plate 15 is provided with a waist-shaped adjusting groove 180 corresponding to a first screw (not shown in the figure), so that the assembly is convenient, and the applicability is good.
As shown in fig. 3, the sampler mount 12 includes a support plate 19 that supports the smoke concentration sampler 11, and an inverted U-shaped connecting arm 110; the two ends of the connecting arm 110 are respectively fixed with the two sides of the bearing plate 19, and the middle part of the connecting arm is fixed with the longitudinal screw 16, so that the space is sufficient, the smoke concentration sampler 11 can be conveniently taken and placed, and the processing is also convenient.
Example two
The embodiment of the utility model provides a detect demarcation smoke box of smoke fire detector sensitivity, no longer redundance with the same part of embodiment one, the difference lies in: as shown in fig. 4, the height adjustment assembly includes two sets of second subassemblies 111 in one-to-one correspondence with the two sets of sampler mounts 12; the second sub-assembly 111 comprises a longitudinal scale rod 112; the smoke box flue 10 is provided with a first movable through groove 181 matched with the scale rod 112; the tail end of the graduated rod 112 is fixed with the sampler mounting base 12; the scale rod 112 is provided with a plurality of groups of first scale lines 113 and a plurality of groups of first transverse clamping grooves 182 corresponding to the plurality of groups of first scale lines 113 one by one; the second subassembly 111 further includes a first restraint pin 114 that mates with the first transverse slot 182; the first restraint pin 114 is rotatably connected to the smoke box stack 10. When the sampler is used, the depth of the scale rod 112 penetrating into the smoke box flue 10 is adjusted, and after the sampler mounting seat 11 reaches a specified height, the first limiting pin 114 is rotated to be clamped into the first transverse clamping groove 182, so that the height adjustment work is completed, and the adjustment is convenient. In addition, the descending height of the smoke concentration sampler 11 can be visually recognized by the first scale mark 113.
EXAMPLE III
The embodiment of the utility model provides a detect demarcation smoke box of smoke fire detector sensitivity, no longer redundance with the same part of embodiment one, the difference lies in: as shown in fig. 5, the height adjusting assembly includes two sets of first connecting columns 115 corresponding to the two sets of sampler holders 12 one to one; the smoke box flue 10 is provided with two groups of second movable through grooves (not shown in the figure) which correspond to the two groups of first connecting columns 115 one by one; the upper end of the first connecting column 115 is fixed with the sampler mounting base 12, and a transverse second limit pin 116 is arranged at the lower end in a penetrating manner; the second limit pin 116 is a ferrous product; the height adjustment assembly further comprises a positioning block 117 sandwiched between the two sets of first connecting posts 115; the positioning block 117 is fixed with the smoke box flue 10; the positioning block 117 is provided with a plurality of groups of second scale marks 118 longitudinally distributed, and a plurality of groups of second transverse clamping grooves 184 corresponding to the plurality of groups of second scale marks 118 one by one; the second transverse slot 184 is adapted to the second limit pin 116, and the inner wall of the second transverse slot is fixedly provided with a bar magnet 119 for adsorbing two sets of the second limit pins 116. When the sampler is used, the depth of the first connecting column 115 penetrating into the smoke box flue 10 is adjusted, and after the sampler mounting seat 12 reaches a specified height, the second limiting pin 116 is inserted into the second transverse clamping groove 184, so that the height adjustment work is completed, and the height adjustment and the assembly are very convenient.
Example four
The embodiment of the utility model provides a detect demarcation smoke box of smoke fire detector sensitivity, no longer redundance with the same part of embodiment one, the difference lies in: as shown in fig. 6, the height adjustment assembly further includes two sets of second connecting posts 120 corresponding to the two sets of sampler holders 12 one to one; the smoke box flue 10 is provided with two groups of third movable through grooves 185 which correspond to the two groups of second connecting columns 120 one by one; the second connecting column 120 is a polygon prism, and the lower end thereof is fixed with the sampler mounting base 12; the height adjusting assembly further comprises an inelastic rope 121, two ends of which are respectively fixed with the two groups of second connecting columns 120, and a second screw 122 which is matched with the smoke box flue 10 to clamp the inelastic rope 121; the smoke box stack 10 is provided with a second threaded hole corresponding to the second screw 122. When the sampler is used, the depth of the second connecting column 120 penetrating into the smoke box flue 10 is adjusted, and after the sampler mounting seat 12 reaches a specified height, the second screw 122 is locked to compress the inelastic rope 121, so that the inelastic rope 121 is ensured to be in a tight state, and the sampler is simple in integral structure and low in cost.
EXAMPLE five
The embodiment of the utility model provides a use method of demarcation smoke box, based on embodiment one provide a demarcation smoke box that detects smoke fire detector sensitivity, this method includes following step: and rotating the longitudinal screw rod, and loosening the longitudinal screw rod after the sampler mounting seat reaches the designated height to finish the height adjustment work.
EXAMPLE six
The embodiment of the utility model provides a use method of demarcation smoke box, based on the demarcation smoke box that detects smoke fire detector sensitivity that embodiment two provided, this method includes following step: the depth of the scale rod penetrating into the smoke box flue is adjusted, and after the sampler mounting seat reaches a specified height, the first limiting pin is rotated to be clamped into the first transverse clamping groove, so that the height adjusting work is completed.
EXAMPLE seven
The embodiment of the utility model provides a use method of demarcation smoke box, based on the demarcation smoke box of smoke detector sensitivity that embodiment three provided, this method includes following step: the depth of the first connecting column penetrating into the smoke box flue is adjusted, and after the sampler mounting seat reaches the designated height, the second limiting pin is inserted into the second transverse clamping groove, so that the height adjusting work is completed.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (7)
1. A calibration smoke box for detecting the sensitivity of a smoke fire detector comprises a waist-shaped smoke box flue; a circulating component for circulating smoke is arranged in the smoke box flue; the smoke box is characterized in that two groups of smoke concentration samplers and two groups of sampler mounting seats which correspond to the two groups of smoke concentration samplers one by one are further arranged inside the smoke box flue; the two groups of smoke concentration samplers are respectively positioned at the first turning point and the last turning point of the smoke box flue; the calibration smoke box also comprises a height adjusting component; the height adjusting assembly is used for adjusting the heights of the two groups of sampler mounting seats.
2. The smoke box for detecting the sensitivity of the smoke fire detector as claimed in claim 1, wherein the upper surface of the smoke box flue is provided with two openings corresponding to the two groups of sampler mounting seats one by one; the opening is used for taking out or putting in the smoke concentration sampler; the height adjusting assembly comprises two groups of first sub-assemblies which correspond to the two groups of sampler mounting seats one by one;
the first sub-assembly comprises a sealing plate covering the opening, an upper pressure plate matched with the smoke box flue to clamp the sealing plate, and a longitudinal screw rod of which the tail end is fixed with the sampler mounting seat; the sealing plate is provided with a first threaded hole matched with the longitudinal screw rod; the upper pressure plate is fixed with the smoke box flue.
3. The smoke box for detecting the sensitivity of the smoke fire detector as claimed in claim 2, wherein a handle is fixedly arranged at the upper end of the longitudinal screw; the upper surface of the smoke box flue is provided with a locking assembly corresponding to the upper pressure plate; the locking assembly comprises two groups of locking blocks corresponding to two ends of the upper pressure plate respectively and two groups of first screws corresponding to the two groups of locking blocks one to one; the locking block is fixed with the smoke box flue; the first screw is used for locking the upper pressure plate and the locking block; the upper pressure plate is provided with a waist-shaped adjusting groove corresponding to the first screw.
4. The smoke box for detecting the sensitivity of the smoke fire detector as claimed in claim 2, wherein the sampler mounting base comprises a supporting plate for supporting the smoke concentration sampler, and a connecting arm with an inverted U shape; the two ends of the connecting arm are respectively fixed with the two sides of the bearing plate, and the middle part of the connecting arm is fixed with the longitudinal screw.
5. The smoke box of claim 1, wherein the height adjustment assembly comprises two sets of second subassemblies corresponding to two sets of sampler mounts one to one; the second sub-assembly comprises a longitudinal scale bar; the smoke box flue is provided with a first movable through groove matched with the scale rod; the tail end of the scale rod is fixed with the sampler mounting seat; the scale rod is provided with a plurality of groups of first scale marks and a plurality of groups of first transverse clamping grooves which correspond to the first scale marks one by one; the second subassembly further comprises a first limiting pin matched with the first transverse clamping groove; the first limiting pin is rotatably connected with the smoke box flue.
6. The smoke calibration box for detecting the sensitivity of a smoke fire detector as claimed in claim 1, wherein said height adjustment assembly comprises two sets of first connecting columns corresponding to two sets of said sampler mounting seats one to one; the smoke box flue is provided with two groups of second movable through grooves which correspond to the two groups of first connecting columns one by one; the upper end of the first connecting column is fixed with the sampler mounting seat, and a transverse second limiting pin penetrates through the lower end of the first connecting column; the second limiting pin is a ironwork; the height adjusting assembly further comprises a positioning block clamped between the two groups of first connecting columns; the positioning block is fixed with the smoke box flue; the positioning block is provided with a plurality of groups of second scale marks which are longitudinally distributed and a plurality of groups of second transverse clamping grooves which are in one-to-one correspondence with the plurality of groups of second scale marks; the second transverse clamping groove is matched with the second limiting pin, and the inner wall of the second transverse clamping groove is fixedly provided with bar magnets used for adsorbing two groups of second limiting pins.
7. The smoke box for detecting the sensitivity of the smoke fire detector as claimed in claim 1, wherein the height adjusting assembly further comprises two sets of second connecting posts corresponding to the two sets of sampler mounting seats one to one; the smoke box flue is provided with two groups of third movable through grooves which correspond to the two groups of second connecting columns one by one; the second connecting column is a polygonal column, and the lower end of the second connecting column is fixed with the sampler mounting seat; the height adjusting assembly further comprises inelastic ropes, two ends of each inelastic rope are fixed to the two groups of second connecting columns respectively, and second screws are matched with the smoke box flue to clamp the inelastic ropes; and the smoke box flue is provided with a second threaded hole corresponding to the second screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407482.6U CN213337233U (en) | 2020-10-26 | 2020-10-26 | Calibration smoke box for detecting sensitivity of smoke fire detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407482.6U CN213337233U (en) | 2020-10-26 | 2020-10-26 | Calibration smoke box for detecting sensitivity of smoke fire detector |
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| Publication Number | Publication Date |
|---|---|
| CN213337233U true CN213337233U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022407482.6U Active CN213337233U (en) | 2020-10-26 | 2020-10-26 | Calibration smoke box for detecting sensitivity of smoke fire detector |
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| CN (1) | CN213337233U (en) |
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Address after: 518000 the three floor of the new world apartment, Nanshan Avenue, Nanshan District, Shenzhen, Guangdong (for office only). Patentee after: Shenzhen hi tech investment Sanjiang Electronics Co.,Ltd. Address before: 518000 the three floor of the new world apartment, Nanshan Avenue, Nanshan District, Shenzhen, Guangdong (for office only). Patentee before: SHENZHEN FANHAI SANJIANG ELECTRONICS Co.,Ltd. |