CN204010215U - Interior zonal device in a kind of air suction type smoke fire detector - Google Patents
Interior zonal device in a kind of air suction type smoke fire detector Download PDFInfo
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- CN204010215U CN204010215U CN201420465959.8U CN201420465959U CN204010215U CN 204010215 U CN204010215 U CN 204010215U CN 201420465959 U CN201420465959 U CN 201420465959U CN 204010215 U CN204010215 U CN 204010215U
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Abstract
The utility model discloses the interior zonal device in a kind of air suction type smoke fire detector, described interior zonal device comprises circular shaft collar and the circular rolling disc cooperatively interacting, the first air hole and the second air hole that circular shaft collar is identical with position with being respectively equipped with size on circular rolling disc, the first air hole and the second air hole are separately positioned on semicircle, described circular shaft collar is arranged on the base in housing, the first air hole on circular shaft collar and the second air hole respectively with the first draft tube being arranged on housing, the second draft tube connects, in housing, be provided with the dividing plate of the first air hole on circular shaft collar and the second air hole partition, circular rolling disc is also arranged in housing and is connected with drive motor, the inherent circular rolling disc of housing top is also provided with exhaust cavity, exhaust cavity is communicated with the gas outlet that is arranged on housing fan and detected gas.This zonal device is can be in contaminated environment long-time, high-level efficiency, work to high reliability.
Description
Technical field
The utility model relates to fire control equipment technical field, is specifically related to the interior zonal device in a kind of air suction type smoke fire detector.
Background technology
In existing fire fighting equipment, it is the most frequently used detection means that smoke detection is reported to the police, after detector alarm, can start fire broadcast and evacuate personnel, fall fire compartment rolling screen door and prevent fire spreading, starting fire pump etc., is effectively a very important ring in the whole link of fire-fighting with surveying accurately.
Existing point type sense cigarette probe use face is the widest, and quantity is maximum, and its sensitivity is lower, is generally being greater than 2obs/m (shading rate), but cheap; Infrared emission sense cigarette probe is the fire hazard aerosol fog in detector large space effectively, and sensitivity is also lower.Due to the limitation of its detection principle, there are a large amount of places effectively to use.
Air suction type smoke fire detector is a kind of utmost point early-stage smog sniffer of smoke detection immediate development, its warning sensitivity can reach 0.001obs/m, it is nearly thousand times that conventional port smog is popped one's head in, the micro-smog that the stage of finding to glow is in early days produced has extremely strong detectivity, promoted rapidly in recent years, and Chinese < < Code for design of automatic fire alarm systems > > (GB50116-2013) has also done clear and definite regulation.
Chinese patent ZL 201220632698.5 discloses the air-breathing smoke detector warning system of a kind of double-identifying type, comprise sampling pipe network, be connected to the air-breathing smoke fire detector of double-identifying type on sampling pipe network, the fire alarm central control unit joining with the air-breathing smoke fire detector of double-identifying type and the LCD display of joining with fire alarm central control unit, in the air-breathing smoke fire detector of double-identifying type, be provided with controller for detection, gas sampling pipeline and laser acquisition cavity, on gas sampling pipeline, be connected with asepwirator pump and filtrator, in laser acquisition cavity, be provided with laser correlative detector, on controller for detection, be connected to RS-232 communication interface, fire alarm central control unit comprises alarm controller and the RS-232 communication circuit module and the data-carrier store that join with alarm controller, and the input end of alarm controller is connected to clock module and keyboard circuit module.The technical scheme of this utility model can not be for distinguishing that fire occurs near the position of which thieff hatch of pipe network, for the poor effect that instructs of the disaster relief.
Utility model content
The utility model object is, overcomes defect of the prior art, provide a kind of simple in structure, can distinguish that fire occurs in a kind of interior zonal device of the concrete thieff hatch position of pipe network.
For achieving the above object, the technical solution adopted in the utility model is: the interior zonal device in a kind of air suction type smoke fire detector is provided, described interior zonal device comprises circular shaft collar and the circular rolling disc cooperatively interacting, the first air hole and the second air hole that circular shaft collar is identical with position with being respectively equipped with size on circular rolling disc, the first air hole and the second air hole are separately positioned on semicircle, described circular shaft collar is arranged on the base in housing, the first air hole on circular shaft collar and the second air hole respectively with the first draft tube being arranged on housing, the position of the second draft tube is corresponding, in housing, be provided with the dividing plate of the first air hole on circular shaft collar and the second air hole partition, circular rolling disc is also arranged in housing and is connected with drive motor, the inherent circular rolling disc of housing top is also provided with exhaust cavity, exhaust cavity is communicated with the gas outlet that is arranged on housing fan interface and detected gas.
Wherein preferred technical scheme is that described the first air hole and the second air hole are respectively the scallop hole of 90 degree.
Preferred technical scheme also has, on described circular rolling disc, be provided with magnet steel, magnet steel is ndfeb magnet, on described circular rolling disc, is provided with circular circuit board, upper circular circuit board is provided with 4 tongue tubes, and the position of tongue tube is corresponding with the planimetric position of 1 magnet steel on circular rolling disc.
Preferred technical scheme also has, and described circular shaft collar is by clamping, or pass through bonding, or by the base thread tapping of bolt and housing.
Preferred technical scheme also has, and described circular rolling disc comprises rigid layer and flexible layer, between rigid layer and flexible layer, by bonding, is connected.
Further preferably technical scheme is, described rigid layer is stainless-steel sheet, and flexible layer is polytetrafluoroethylplastic plastic.
Preferred technical scheme also has, on the inherent circular rolling disc of described housing, be also fixedly connected with platen, circular circuit board is arranged on platen, between platen and circular rolling disc, be provided with holddown spring, the output shaft of drive motor is connected by pivot pin with circular rolling disc with holddown spring through circular circuit board, platen.
Preferred technical scheme also has, and described housing is also provided with bottom below base.
Preferred technical scheme also has, the L-shaped structure of described housing, and the first draft tube and the second draft tube are separately positioned on long limit one side of L shaped housing, and minor face one side of L shaped housing is provided with muffler and fan interface.
Preferred technical scheme also has, and on the first draft tube of described housing and the second draft tube position, is provided with gas flow detector.
Advantage of the present utility model and beneficial effect be, the interior zonal device in this air suction type smoke fire detector can be long-time in contaminated environment, high-level efficiency, work to high reliability.The circular shaft collar that rolling disc bottom is divided, the first draft tube and the second draft tube two-way gas pass through by the passage separately on circular shaft collar.Rolling disc is pressed on shaft collar.
The flexible layer material of the circular rolling disc in this interior zonal device is the polytetrafluoroethylplastic plastic flexible layer that 3mm is thick.The rubbing surface of circular shaft collar and polytetrafluoroethylplastic plastic flexible layer is mirror face stainless steel, and two dishes are by spring compression.
The first air hole on circular shaft collar and circular rolling disc and the second air hole position to it when the original state, the first draft tube and the second draft tube two-way gas are discharged by gas outlet and fan interface place by the exhaust cavity above circular rolling disc by the passage separately on circular shaft collar and circular rolling disc, after circular rolling disc 90-degree rotation, the first air hole is closed, and the secondth, open.After circular rolling disc Rotate 180 degree, the first air hole and the second air hole are all closed, and after circular rolling disc rotation 270 degree, the second pore is closed, and the firstth, open.After circular rolling disc rotating 360 degrees, return to original state.
Adopt different angles to have different switches the first draft tube and the second draft tube pattern, accurate angle is controlled, by 4 tongue tubes and 1 magnet steel, the positional information of circular rolling disc is passed to master controller, by the rotation of main controller controls drive motor with stop, and opening initialization location.
Due to the sealing of rotating and rubbing, all between stainless steel mirror and polytetrafluoroethylplastic plastic flexible layer, carry out, as long as poly fourfluoroplastics flexible layer surface working is smooth, the pressure having with spring, just can make composition surface sealed air-tight, and access times are more, sealing effectiveness is better.Poly fourfluoroplastics flexible layer friction factor is minimum in plastics, and high temperature resistant, corrosion-resistant.In long-term use, if while having dust to drop on the inner arbitrary surface of zonal device, the shear effect producing when closely the rubbing surface of pressing is by rotation, removes the dust on circular rolling disc and shaft collar friction surface easily, make it not affect sealing completely and rotate.
The serviceable life of this interior zonal device and pollution do not affect sealing and accurate rotational positioning completely, make it obtain in design the compartment model of a high reliability.
At the first draft tube and corresponding gas flow detector all in the second draft tube, can accurately detect the air inflow of each pipeline.This kind of partitioning device is through great many of experiments, and job stability, reliability and resistance tocrocking are outstanding, for this device design is laid the foundation in the sample lines of equipment outside.
Accompanying drawing explanation
Fig. 1 is the blast structural representation of zonal device in the utility model;
Fig. 2-1 is the structural representation of circular shaft collar in the interior zonal device of the utility model;
Fig. 2-2 are the blast structural representation of circular rolling disc in the interior zonal device of the utility model.
In figure: the circular shaft collar of 1-, the circular rolling disc of 2-, 2-1-rigid layer, 2-2-flexible layer, 3-the first air hole, 4-the second air hole, 5-housing, 6-base, 7-the first draft tube, 8-the second draft tube, 9-dividing plate, 10-drive motor, 11-exhaust cavity, 12-fan interface, 13-muffler, 14-magnet steel, 15-tongue tube, 16-platen, 17-holddown spring, 18-upper cover, 19-bottom, the circular circuit board of 20-, 21-locating sleeve.
Embodiment
As Fig. 1, shown in 2, the utility model is the interior zonal device in a kind of air suction type smoke fire detector, described interior zonal device comprises circular shaft collar 1 and the circular rolling disc 2 cooperatively interacting, the first air hole 3 and the second air hole 4 that circular shaft collar 1 is identical with position with being respectively equipped with size on circular rolling disc 2, the first air hole 3 and the second air hole 4 are separately positioned on semicircle, described circular shaft collar 1 is arranged on the base 6 in housing 5, the first air hole 3 on circular shaft collar 1 and the second air hole 4 respectively with the first draft tube 7 being arranged on housing 5, the position of the second draft tube 8 is corresponding, in housing 5, be provided with the dividing plate 9 of the first air hole 3 on circular shaft collar 1 and the second air hole 4 partitions, circular rolling disc 2 is also arranged in housing 5 and is connected with drive motor 10, the inherent circular rolling disc of housing 52 tops are also provided with exhaust cavity 11, discharge chamber 11 is communicated with the muffler 13 that is arranged on housing 5 fan interfaces 12 and detected gas.
The preferred technical scheme of the utility model is that described the first air hole 3 and the second air hole 4 are respectively the scallop hole of 90 degree.
The preferred technical scheme of the utility model also has, on described circular rolling disc 2, be provided with magnet steel 14, magnet steel 14 is ndfeb magnet, on described circular rolling disc 2, be provided with circular circuit board 20, circular circuit board 20 is provided with 4 tongue tubes 15, and the position of tongue tube 15 is corresponding with the planimetric position of 1 magnet steel on circular rolling disc 2.
The preferred technical scheme of the utility model also has, and described circular shaft collar 1 is by clamping, or passes through to be bondingly connected with the base 6 of housing.
The preferred technical scheme of the utility model also has, and described circular rolling disc 2 comprises rigid layer 2-1 and flexible layer 2-1, between rigid layer 2-1 and flexible layer 2-2, by thread tapping, is connected.
The utility model further preferred technical scheme is, described rigid layer 2-1 is stainless-steel sheet, and flexible layer 2-2 is polytetrafluoroethylplastic plastic.
The preferred technical scheme of the utility model also has, on circular rolling disc 2 in described housing 5, be also fixedly connected with platen 16, circular circuit board 20 is arranged on platen 16, between platen 16 and circular rolling disc 2, be provided with holddown spring 17, the output shaft of drive motor 10 is connected by pivot pin with circular rolling disc 2 with holddown spring 17 through circular circuit board 20, platen 16, and holddown spring 17 is sleeved on the outside of locating sleeve 21.
The preferred technical scheme of the utility model also has, and described housing is also provided with bottom 19 below base 6.
The preferred technical scheme of the utility model also has, the L-shaped structure of described housing 5, the first draft tube 7 and the second draft tube 8 are separately positioned on long limit one side of L shaped housing 5, and minor face one side of L shaped housing 5 is provided with muffler 13 and fan interface 12, and the upper end of housing 5 is provided with upper cover 18.
The preferred technical scheme of the utility model also has, and on the first draft tube 7 of described housing and the second draft tube 8 positions, is provided with gas flow detector.
The utility model is not limited to above-mentioned embodiment, those skilled in the art make to any apparent improvement of above-mentioned embodiment or change, can not exceed the protection domain of design of the present utility model and claims.
Claims (10)
1. the interior zonal device in an air suction type smoke fire detector, it is characterized in that, described interior zonal device comprises circular shaft collar and the circular rolling disc cooperatively interacting, the first air hole and the second air hole that circular shaft collar is identical with position with being respectively equipped with size on circular rolling disc, the first air hole and the second air hole are separately positioned on semicircle, described circular shaft collar is arranged on the base in housing, the first air hole on circular shaft collar and the second air hole respectively with the first draft tube being arranged on housing, the position of the second draft tube is corresponding, in housing, be provided with the dividing plate of the first air hole on circular shaft collar and the second air hole partition, circular rolling disc is also arranged in housing and is connected with drive motor, the inherent circular rolling disc of housing top is also provided with exhaust cavity, exhaust cavity is communicated with the muffler that is arranged on housing fan and detected gas.
2. the interior zonal device in air suction type smoke fire detector as claimed in claim 1, is characterized in that, described the first air hole and the second air hole are respectively the scallop hole of 90 degree.
3. the interior zonal device in air suction type smoke fire detector as claimed in claim 1, it is characterized in that, on described circular rolling disc, be provided with magnet steel, magnet steel is ndfeb magnet, on described circular rolling disc, be provided with circular circuit board, circular circuit board is provided with 4 tongue tubes, and the position of tongue tube is corresponding with the planimetric position of 1 magnet steel on circular rolling disc.
4. the interior zonal device in air suction type smoke fire detector as claimed in claim 1, is characterized in that, described circular shaft collar is by clamping, or by bonding, or be connected with the base of housing by bolt.
5. the interior zonal device in air suction type smoke fire detector as claimed in claim 1, is characterized in that, described circular rolling disc comprises rigid layer and flexible layer, between rigid layer and flexible layer, by thread tapping, is connected.
6. the interior zonal device in air suction type smoke fire detector as claimed in claim 5, is characterized in that, described rigid layer is stainless-steel sheet, and flexible layer is polytetrafluoroethylplastic plastic.
7. the interior zonal device in air suction type smoke fire detector as claimed in claim 3, it is characterized in that, in described housing, on circular rolling disc, be also fixedly connected with platen, circular circuit board is arranged on platen, between platen and circular rolling disc, be provided with holddown spring, the output shaft of drive motor is connected by pivot pin with circular rolling disc with holddown spring through circular circuit board, platen.
8. the interior zonal device in air suction type smoke fire detector as claimed in claim 1, is characterized in that, described housing is also provided with bottom below base.
9. the interior zonal device in air suction type smoke fire detector as claimed in claim 1, it is characterized in that, the L-shaped structure of described housing, the first draft tube and the second draft tube are separately positioned on long limit one side of L shaped housing, and minor face one side of L shaped housing is provided with muffler and blower fan.
10. the interior zonal device in air suction type smoke fire detector as claimed in claim 1, is characterized in that, on the first draft tube of described housing and the second draft tube position, is provided with gas flow detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420465959.8U CN204010215U (en) | 2014-08-18 | 2014-08-18 | Interior zonal device in a kind of air suction type smoke fire detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420465959.8U CN204010215U (en) | 2014-08-18 | 2014-08-18 | Interior zonal device in a kind of air suction type smoke fire detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204010215U true CN204010215U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420465959.8U Active CN204010215U (en) | 2014-08-18 | 2014-08-18 | Interior zonal device in a kind of air suction type smoke fire detector |
Country Status (1)
| Country | Link |
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| CN (1) | CN204010215U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225399A (en) * | 2015-08-17 | 2016-01-06 | 苏州锟鹏肖氏建材有限公司 | Smoke alarm |
| CN111179538A (en) * | 2019-12-28 | 2020-05-19 | 杭州拓深科技有限公司 | Independent fire detection alarm and control method thereof |
-
2014
- 2014-08-18 CN CN201420465959.8U patent/CN204010215U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225399A (en) * | 2015-08-17 | 2016-01-06 | 苏州锟鹏肖氏建材有限公司 | Smoke alarm |
| CN105225399B (en) * | 2015-08-17 | 2018-01-05 | 苏州锟鹏肖氏建材有限公司 | Smoke alarm |
| CN111179538A (en) * | 2019-12-28 | 2020-05-19 | 杭州拓深科技有限公司 | Independent fire detection alarm and control method thereof |
| CN111179538B (en) * | 2019-12-28 | 2021-12-14 | 杭州拓深科技有限公司 | Independent fire detection alarm and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221214 Address after: 200131 Room A2, Floor 5, No. 456, Fute North Road, Pudong New Area Free Trade Pilot Zone, Shanghai Patentee after: HONEYWELL AUTOMATION CONTROL (CHINA) CO.,LTD. Address before: Floor 3, Standard Plant, No. 3, Yongjie North Road, Yongfeng Industrial Base, Haidian District, Beijing 100094 Patentee before: DINGSHENGTE SAFETY WARNING TECHNOLOGY (BEIJING) Co.,Ltd. |