CN113299032A - Linear light beam smoke detector capable of realizing real-scene simulation detection - Google Patents
Linear light beam smoke detector capable of realizing real-scene simulation detection Download PDFInfo
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- CN113299032A CN113299032A CN202110528374.0A CN202110528374A CN113299032A CN 113299032 A CN113299032 A CN 113299032A CN 202110528374 A CN202110528374 A CN 202110528374A CN 113299032 A CN113299032 A CN 113299032A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
- G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
- G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
Abstract
The invention relates to a linear beam smoke detector capable of realizing real-scene simulation detection, which comprises a base, a detecting head, a testing channel and a PLC (programmable logic controller), wherein the detecting head and the testing channel are connected and arranged on the same side surface of the base, and the detecting head is opposite to the testing channel; the test channel is correspondingly provided with an upper connecting seat and a lower connecting seat; the lower connecting seat is provided with a steam cavity and a steam nozzle, a heating inner container is arranged in the steam cavity, and the steam nozzle is communicated with the testing channel and the steam cavity and is provided with an opening and closing assembly; the upper connecting seat is provided with an absorption cavity and an exhaust electromagnetic valve, the exhaust electromagnetic valve is communicated with the test cavity and is provided with a flow guide piece, and the absorption cavity is provided with a gas pipe and an exhaust hole which are connected with the exhaust electromagnetic valve; visibility detectors are arranged on two sides of the test channel; each component is signaled by the PLC; the shading change of the testing channel is realized, the specific critical value and the sensitivity of the detector are determined, and the accuracy of the detector for sending an alarm is improved.
Description
Technical Field
The invention belongs to the technical field of fire-fighting detection, and particularly relates to a linear beam smoke detector capable of realizing real-scene simulation detection.
Background
The linear beam smoke detector is generally used for large space buildings with large span and high internal space. The linear beam smoke detector comprises a transmitter and a receiver, wherein the transmitter and the receiver are respectively arranged at two opposite ends of a protective space and are on the same horizontal straight line. The existing detector detection mode is generally carried out by adopting a mode of covering optical filters with different shading rates, but the optical filter switching causes the discontinuous filtering degree, and the specific critical value cannot be determined; and the filter does not accord with the situation of smoke when the actual fire happens, and the sensitivity of the detector to the smoke is difficult to judge. Therefore, it is an urgent technical problem to develop a linear beam smoke detector capable of determining a trigger threshold value and a real-world analog detection of smoke sensitivity.
Disclosure of Invention
The invention provides a linear beam smoke detector capable of realizing real-scene simulation detection to solve the problems.
The invention discloses a linear beam smoke detector capable of realizing real-scene simulation detection, which comprises a base, a detecting head, a testing channel and a PLC (programmable logic controller), wherein the detecting head and the testing channel are connected and arranged on the same side surface of the base, and the detecting head is opposite to the testing channel; the top and the bottom of the test channel are respectively provided with an upper connecting seat and a lower connecting seat correspondingly, and the test channel is completely transparent and is internally provided with a test cavity; the lower connecting seat is provided with a steam cavity and a steam nozzle, the steam cavity is arranged inside the lower connecting seat, a heating inner container is arranged in the steam cavity, two ends of the steam nozzle are respectively communicated with the testing cavity and the steam cavity, and the steam nozzle is also connected with an opening and closing assembly; the upper connecting seat is provided with an absorption cavity and an exhaust electromagnetic valve, the exhaust electromagnetic valve is communicated with the test cavity, the bottom surface of the exhaust electromagnetic valve is connected with a flow guide piece, the absorption cavity is provided with a gas pipe connected with the exhaust electromagnetic valve, and the absorption cavity is also provided with an exhaust hole penetrating through the upper connecting seat; visibility detectors are arranged on two sides of the test channel; the PLC is in signal connection with the heating inner container, the opening and closing assembly and the exhaust electromagnetic valve.
After the structure is adopted, the detection of the detector is carried out through the control of the PLC, steam is generated by the work of the heating inner container in the steam cavity and enters the testing cavity through the steam nozzle, and the shielding is generated on a detecting head of the testing channel; when a critical value is detected, the exhaust electromagnetic valve is closed to enable the concentration of steam in the test cavity to continuously rise, the shading effect is improved, and when the detector is triggered, the current visibility is recorded through the visibility detector; opening an exhaust electromagnetic valve when detecting the sensitivity, adjusting the flow of steam passing through a steam nozzle through an opening and closing assembly, corresponding to the actual smoke size according to the flow size, and recording the corresponding smoke condition according to the current flow when a detector is triggered; after the test is finished, the heating of the inner container is stopped, the exhaust electromagnetic valve is kept opened, so that steam enters the absorption cavity through the gas pipe, and the influence on the external environment is avoided; the flow guide piece is arranged to prevent the condensed steam from flowing down from the front of the probe along the test channel to influence the detection effect; the shading degree of the testing channel is continuously changed, the specific critical value triggered by the detector is determined, the steam flow is adjusted, the sensitivity of the detector to actual smoke generation is convenient to determine, and the accuracy of the detector for sending an alarm is improved.
As a further improvement of the invention, the opening and closing assembly comprises a supporting seat, a driving plate, an opening and closing gear and an opening and closing motor, wherein a plurality of baffles are arranged between the supporting seat and the driving plate; one side of the baffle facing the supporting seat is provided with a pair of guide posts, and one side of the baffle facing the driving plate is provided with a rotating post; the supporting seat is provided with a guide groove matched with the guide post, and the guide post is clamped in the guide groove and is in sliding connection; the driving plate is provided with a rotating groove matched with the rotating column, and the rotating column is clamped in the rotating groove and is in sliding connection; the guide grooves are distributed along the radial direction of the supporting seat, and the rotating grooves are radially intersected with the driving plate; the side of the driving plate is also provided with a tooth groove, the opening and closing gear is tightly meshed with the tooth groove, and the opening and closing motor is fixedly connected with the axis of the opening and closing gear to perform matching linkage.
After the structure is adopted, the steam nozzle is blocked by the baffle plate, and the flow of steam is controlled; the opening and closing gear is driven to rotate through the opening and closing motor, so that the driving plate is driven to rotate, the rotating groove is matched with the guide groove, the baffle plate moves along the radial direction of the supporting seat, the dislocation of the baffle plate and the steam nozzle is realized, and the purpose of adjusting the steam flow is achieved.
As a further improvement of the invention, a lowest water level line and a highest water level line are arranged in the heating inner container, a first photoelectric liquid level sensor is connected to the lowest water level line, and a second photoelectric liquid level sensor is connected to the highest water level line; a water level warning lamp is arranged on the side surface of the lower connecting seat; the first photoelectric liquid level sensor and the second photoelectric liquid level sensor are in signal connection with a water level warning lamp.
After the structure is adopted, when the first photoelectric liquid level sensor detects that the water quantity in the heating inner container is insufficient, the water level warning lamp gives out warning and adds water; when the water amount in the heating inner container reaches the highest water level line, triggering a second photoelectric liquid level sensor, and displaying that the water amount is enough through a water level warning lamp; the damage of the inner container caused by the fact that the heating inner container is heated without water is avoided.
As a further improvement of the invention, the lower connecting seat is provided with a water inlet, the heating liner is provided with a water inlet pipeline, and the water inlet pipeline is communicated with the water inlet; the water inlet is connected with a water inlet cover.
After adopting above-mentioned structure, when the heating inner bag need add water, only need open the inlet cap, cover back inlet cap after pouring water into from the inlet channel, the operation of being convenient for has just improved watered efficiency.
As a further improvement of the invention, a plurality of flow guide columns are arranged on the side surface of the flow guide piece at equal intervals, and a condensed water tank is arranged at the top end of the test channel; one ends of the diversion columns, which are far away from the diversion piece, are all bent downwards and inserted into the condensate water tank.
After adopting above-mentioned structure, the leading-in condensate tank of comdenstion water that produces steam through the water conservancy diversion post, collects through the condensate tank and retrieves the comdenstion water, is convenient for carry out reuse with the comdenstion water.
As a further improvement of the invention, the bottom of the condensate water tank is inclined relative to the horizontal plane, and the lowest point in the condensate water tank is opposite to the side wall of the test channel, which is vertical to the probe, and is provided with a water drainage opening.
After the structure is adopted, the bottom of the condensate water tank is inclined and provided with the water drainage port, so that condensate water flows down along the side wall of the test channel and passes through the steam nozzle to return to the heating inner container for cyclic utilization; the consumption of water in the detection process is reduced, and the waste caused by adding water for many times is avoided.
As a further improvement of the invention, a mixing cavity is further arranged between the steam cavity and the steam nozzle, and a coloring agent nozzle is arranged on the side wall of the mixing cavity and connected with a coloring agent container.
After adopting above-mentioned structure, after steam reachs the hybrid chamber, through the dyestuff blowout with in the dyestuff container, dye into different colours steam, obtain the testing result of different kinds of smog simulation, improved the validity of testing result.
As a further improvement of the invention, the absorption cavity is also internally provided with dyeing agent absorption cotton which is adaptive to the position of the exhaust hole.
After adopting above-mentioned structure, absorb the cotton through setting up the coloring agent, absorb the coloring agent when steam is discharged from the exhaust hole, avoid exhaust steam pollution surrounding environment.
As a further development of the invention, the test channel is made of electrically heated glass.
After adopting above-mentioned structure, through electrical heating glass preparation test channel, with test channel heating when the ambient temperature is lower, avoid steam contact test channel to produce water smoke, can't obtain the testing result according to the steam flow after preventing that water smoke from sheltering from.
As a further improvement of the invention, connecting columns are arranged on the sides, facing the base, of the upper connecting seat and the lower connecting seat, connecting holes matched with the connecting columns are formed in the base, and the connecting columns are inserted into the connecting holes.
After adopting above-mentioned structure, insert connecting hole cooperation connection base and test channel through the spliced pole, the test channel is dismantled to the back of being convenient for to the test, prevents that test channel from causing the influence to the daily operation of detecting head.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic cross-sectional view of the lower connecting seat.
Fig. 3 is a schematic cross-sectional view of the upper connecting seat.
FIG. 4 is a schematic cross-sectional view of a test channel.
Fig. 5 is an enlarged view of a portion of the opening and closing assembly a.
1-a base, 2-a detecting head, 3-a testing channel, 4-an upper connecting seat, 5-a lower connecting seat, 6-a steam cavity, 7-a steam nozzle, 8-a heating inner container, 9-an absorption cavity, 10-an exhaust electromagnetic valve, 11-a flow guide piece, 12-a gas pipe, 13-an exhaust hole, 14-a visibility detector, 15-a supporting plate, 16-a driving plate, 17-an opening and closing gear, 18-an opening and closing motor, 19-a baffle plate, 20-a guide column, 21-a rotating column, 22-a guide groove, 23-a rotating groove, 24-a water inlet, 25-a water inlet pipeline, 26-a water inlet cover, 27-a guide column, 28-a condensed water tank, 29-a water outlet, 30-a mixing cavity and 31-a coloring agent container, 32-dye absorbing cotton, 33-connecting column, 34-connecting hole.
Detailed Description
As shown in fig. 1-5, a linear beam smoke detector capable of real-scene simulation detection includes a base 1, a detecting head 2, a testing channel 3 and a PLC controller, wherein the detecting head 2 and the testing channel 3 are connected to the same side of the base 1, and the detecting head 2 is opposite to the testing channel 3; the top and the bottom of the test channel 3 are respectively provided with an upper connecting seat 4 and a lower connecting seat 5 correspondingly, the test channel 3 is completely transparent and is internally provided with a test cavity; the lower connecting seat 5 is provided with a steam cavity 6 and a steam nozzle 7, the steam cavity 6 is arranged inside the lower connecting seat 5, a heating inner container 8 is arranged in the steam cavity 6, two ends of the steam nozzle 7 are respectively communicated with the testing cavity and the steam cavity 6, and the steam nozzle 7 is also connected with an opening and closing assembly; the upper connecting seat 4 is provided with an absorption cavity 9 and an exhaust electromagnetic valve 10, the exhaust electromagnetic valve 10 is communicated with the test cavity, the bottom surface of the exhaust electromagnetic valve 10 is connected with a flow guide piece 11, the absorption cavity 9 is provided with a gas pipe 12 connected with the exhaust electromagnetic valve 10, and the absorption cavity 9 is further provided with an exhaust hole 13 penetrating through the upper connecting seat 4; visibility detectors 14 are arranged on two sides of the test channel 3; the PLC is in signal connection with the heating inner container 8, the opening and closing assembly and the exhaust electromagnetic valve 10.
The detector is controlled by the PLC to detect, steam is generated by the work of the heating inner container 8 in the steam cavity 6 and enters the testing cavity through the steam nozzle 7, and the shielding is generated on the detecting head 8 of the testing channel 3; when a critical value is detected, the exhaust electromagnetic valve 10 is closed to enable the concentration of steam in the test cavity to be continuously increased, the shading effect is improved, and when a detector is triggered, the current visibility is recorded through the visibility detector 14; opening an exhaust electromagnetic valve 10 during sensitivity detection, adjusting the flow of steam passing through a steam nozzle 7 through an opening and closing assembly, corresponding to the actual smoke size according to the flow size, and recording the corresponding smoke condition according to the current flow when a detector is triggered; after the test is finished, the heating inner container 8 stops working, the exhaust electromagnetic valve 10 is kept opened, so that steam enters the absorption cavity 9 through the gas transmission pipe 12, and the influence on the external environment is avoided; the flow guide piece 11 is arranged to prevent the condensed steam from flowing down from the front of the probe 2 along the testing channel 3 to influence the detection effect; the shading degree of the testing channel 3 is continuously changed, the specific critical value triggered by the detector is determined, the steam flow is adjusted, the sensitivity of the detector to actual smoke generation is convenient to determine, and the accuracy of the detector for sending an alarm is improved.
The opening and closing assembly comprises a supporting seat 15, a driving plate 16, an opening and closing gear 17 and an opening and closing motor 18, and a plurality of baffles 19 are arranged between the supporting seat 15 and the driving plate 16; a pair of guide posts 20 are arranged on one side of the baffle plate 19 facing the support seat 15, and a rotating post 21 is arranged on one side of the baffle plate 19 facing the driving plate 16; the support seat 15 is provided with a guide groove 22 corresponding to the guide post 20, and the guide post 20 is clamped in the guide groove 22 for sliding connection; the driving plate 16 is provided with a rotating groove 23 corresponding to the rotating column 21, and the rotating column 21 is clamped in the rotating groove 23 for sliding connection; the guide grooves 22 are distributed along the radial direction of the supporting seat 15, and the rotating groove 23 is intersected with the driving plate 16 in the radial direction; the side of the driving plate 16 is also provided with a tooth groove, the opening and closing gear 17 is tightly meshed with the tooth groove, and the opening and closing motor 18 is fixedly connected with the axis of the opening and closing gear 17 for matching linkage.
The steam nozzle 7 is blocked by the baffle plate 19 to control the flow of the steam; the opening and closing gear 17 is driven to rotate by the opening and closing motor 18, so that the driving plate 16 is driven to rotate, the rotating groove 23 is matched with the guide groove 22, the baffle 19 moves along the radial direction of the supporting seat 15, the dislocation of the baffle 19 and the steam nozzle 7 is realized, and the purpose of adjusting the steam flow is achieved.
A lowest water level line and a highest water level line are arranged in the heating inner container 8, a first photoelectric liquid level sensor is connected to the lowest water level line, and a second photoelectric liquid level sensor is connected to the highest water level line; a water level warning lamp is arranged on the side surface of the lower connecting seat; the first photoelectric liquid level sensor and the second photoelectric liquid level sensor are in signal connection with a water level warning lamp.
When the first photoelectric liquid level sensor detects that the water amount in the heating inner container 8 is insufficient, the water level warning lamp gives a warning and adds water; when the water quantity in the heating inner container 8 reaches the highest water level line, triggering a second photoelectric liquid level sensor, and displaying that the water quantity is enough through a water level warning lamp; the damage of the inner container caused by the fact that the heating inner container 8 is heated without water is avoided.
The lower connecting seat 5 is provided with a water inlet 24, the heating inner container 8 is provided with a water inlet pipeline 25, and the water inlet pipeline 25 is communicated with the water inlet 24; the water inlet 24 is connected with a water inlet cover 26.
When the heating inner bag 8 needs to add water, only need open water inlet lid 26, cover back water inlet lid 26 after pouring water into from inlet channel 25, be convenient for operate and improved watered efficiency.
A plurality of flow guide columns 27 are arranged on the side surface of the flow guide piece 11 at equal intervals, and a condensate water tank 28 is arranged at the top end of the test channel 3; the ends of the diversion columns 27 far away from the diversion piece 11 are all bent downwards and inserted into the condensate water tank 28.
The condensed water generated by the steam is guided into the condensed water tank 28 through the flow guide column 27, and the condensed water is collected and recovered through the condensed water tank 28, so that the condensed water can be reused conveniently.
The bottom of the condensate water tank 28 is inclined relative to the horizontal plane, and the lowest point in the condensate water tank 28 is opposite to the side wall of the test channel 3 perpendicular to the probe 2 and is provided with a water outlet 29.
The bottom of the condensed water tank 28 is inclined and provided with a drain opening 29, so that condensed water flows down along the side wall of the testing channel 3, passes through the steam nozzle 7 and returns to the heating inner container 8 for recycling; the consumption of water in the detection process is reduced, and the waste caused by adding water for many times is avoided.
Still be equipped with mixing chamber 30 between steam chamber 6 and the steam nozzle 7, the lateral wall of mixing chamber 30 is equipped with the coloring agent spout, and this coloring agent spout connection is equipped with coloring agent container 31.
After the steam reaches the mixing cavity 30, the dyeing agent in the dyeing agent container 31 is sprayed out to dye the steam into different colors, so that detection results of different kinds of smoke simulation are obtained, and the effectiveness of the detection results is improved.
And a dyeing agent absorption cotton 32 corresponding to the position of the exhaust hole 13 is also arranged in the absorption cavity 9.
By arranging the coloring agent absorption cotton 32, the coloring agent is absorbed when the steam is discharged from the exhaust hole 13, and the discharged steam is prevented from polluting the surrounding environment.
The test channel 3 is made of electrically heated glass.
Through electrical heating glass preparation test channel 3, with test channel 3 heating when the ambient temperature is lower, avoid steam contact test channel 3 to produce water smoke, can't obtain the testing result according to the steam flow after preventing that water smoke from sheltering from.
The side, facing the base, of the upper connecting seat 4 and the lower connecting seat 5 are respectively provided with a connecting column 33, the base 1 is provided with a connecting hole 34 matched with the connecting column 33, and the connecting column 33 is inserted into the connecting hole 34.
The connecting column 33 is inserted into the connecting hole 34 to be matched with the connecting base 1 and the detection channel 3, so that the test channel 3 is convenient to disassemble after the test is finished, and the influence of the test channel 3 on the daily operation of the probe head 2 is prevented.
Claims (10)
1. A line-type beam smoke detector capable of realizing real-scene simulation detection comprises a base (1), a detecting head (2), a testing channel (3) and a PLC (programmable logic controller), wherein the detecting head (2) and the testing channel (3) are connected and arranged on the same side surface of the base (1), and the detecting head (2) is opposite to the testing channel (3); the method is characterized in that: the top and the bottom of the test channel (3) are respectively and correspondingly provided with an upper connecting seat (4) and a lower connecting seat (5), and the test channel (3) is completely transparent and is internally provided with a test cavity; the lower connecting seat (5) is provided with a steam cavity (6) and a steam nozzle (7), the steam cavity (6) is arranged inside the lower connecting seat (5), a heating inner container (8) is arranged in the steam cavity (6), two ends of the steam nozzle (7) are respectively communicated with the testing cavity and the steam cavity (6), and the steam nozzle (7) is further connected with an opening and closing assembly; the upper connecting seat (4) is provided with an absorption cavity (9) and an exhaust electromagnetic valve (10), the exhaust electromagnetic valve (10) is communicated with the test cavity, the bottom surface of the exhaust electromagnetic valve (10) is connected with a flow guide piece (11), the absorption cavity (9) is provided with a gas pipe (12) connected with the exhaust electromagnetic valve (10), and the absorption cavity (9) is also provided with an exhaust hole (13) penetrating through the upper connecting seat (4); visibility detectors (14) are arranged on two sides of the test channel (3); the PLC is in signal connection with the heating inner container (8), the opening and closing assembly and the exhaust electromagnetic valve (10).
2. The linear beam smoke detector capable of live-action analog detection as claimed in claim 1, wherein: the opening and closing assembly comprises a supporting seat (15), a driving plate (16), an opening and closing gear (17) and an opening and closing motor (18), and a plurality of baffles (19) are arranged between the supporting seat (15) and the driving plate (16); a pair of guide posts (20) are arranged on one side of the baffle plate (19) facing the support seat (15), and a rotating post (21) is arranged on one side of the baffle plate (19) facing the driving plate (16); the supporting seat (15) is provided with a guide groove (22) matched with the guide post (20), and the guide post (20) is clamped in the guide groove (22) for sliding connection; the driving plate (16) is provided with a rotating groove (23) matched with the rotating column (21), and the rotating column (21) is clamped in the rotating groove (23) to be in sliding connection; the guide grooves (22) are distributed along the radial direction of the supporting seat (15), and the rotating groove (23) is intersected with the driving plate (16) in the radial direction; the side of the driving plate (16) is also provided with a tooth groove, the opening and closing gear (17) is tightly meshed with the tooth groove, and the opening and closing motor (18) is fixedly connected with the axis of the opening and closing gear (17) to perform matching linkage.
3. The linear beam smoke detector capable of live-action analog detection as claimed in claim 1, wherein: a lowest water level line and a highest water level line are arranged in the heating inner container (8), a first photoelectric liquid level sensor is connected to the lowest water level line, and a second photoelectric liquid level sensor is connected to the highest water level line; a water level warning lamp is arranged on the side surface of the lower connecting seat; the first photoelectric liquid level sensor and the second photoelectric liquid level sensor are in signal connection with a water level warning lamp.
4. A line-type beam smoke detector capable of live-action analog detection as claimed in claim 3, wherein: the lower connecting seat (5) is provided with a water inlet (24), the heating inner container (8) is provided with a water inlet pipeline (25), and the water inlet pipeline (25) is communicated with the water inlet (24); the water inlet (25) is connected with a water inlet cover (26).
5. The linear beam smoke detector capable of live-action analog detection as claimed in claim 1, wherein: a plurality of flow guide columns (27) are arranged on the side surface of the flow guide piece (11) at equal intervals, and a condensate water tank (28) is arranged at the top end of the test channel (3); one ends of the plurality of flow guide columns (27) far away from the flow guide piece (11) are downwards bent and inserted into the condensed water tank (28).
6. The line-type beam smoke detector capable of live-action simulation detection according to claim 5, wherein: the bottom of the condensate water tank (28) is inclined relative to the horizontal plane, and the lowest point in the condensate water tank (28) is over against the side wall of the test channel (3) vertical to the probe (2) and is provided with a water outlet (29).
7. The linear beam smoke detector capable of live-action analog detection as claimed in claim 1, wherein: still be equipped with mixing chamber (30) between steam chamber (6) and steam nozzle (7), the lateral wall of mixing chamber (30) is equipped with the coloring agent spout, and this coloring agent spout connection is equipped with coloring agent container (31).
8. The linear beam smoke detector capable of live-action analog detection as claimed in claim 7, wherein: and coloring agent absorption cotton (32) corresponding to the exhaust holes (13) is also arranged in the absorption cavity (9).
9. The linear beam smoke detector capable of live-action analog detection as claimed in claim 1, wherein: the test channel (3) is made of electrically heated glass.
10. The linear beam smoke detector capable of live-action analog detection as claimed in claim 1, wherein: go up connecting seat (4) and lower connecting seat (5) and all be equipped with spliced pole (33) towards one side of base (1), base (1) is equipped with connecting hole (34) that suit with spliced pole (33), spliced pole (33) are inserted and are located in connecting hole (34).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110528374.0A CN113299032B (en) | 2021-05-14 | 2021-05-14 | Linear light beam smoke detector capable of realizing real-scene simulation detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110528374.0A CN113299032B (en) | 2021-05-14 | 2021-05-14 | Linear light beam smoke detector capable of realizing real-scene simulation detection |
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| CN113299032A true CN113299032A (en) | 2021-08-24 |
| CN113299032B CN113299032B (en) | 2022-04-22 |
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| JP2000215361A (en) * | 1998-11-18 | 2000-08-04 | Hochiki Corp | Smoke sensor, and smoke and heat compound sensor |
| EP1100061A2 (en) * | 1999-11-10 | 2001-05-16 | Nohmi Bosai Ltd. | Photoelectric smoke detecting apparatus |
| EP2043068A1 (en) * | 2007-09-28 | 2009-04-01 | Siemens Building Technologies Fire & Security Products GmbH & Co. oHG | Device for monitoring a fire alarm and configuration method and fire alarm |
| WO2017025370A1 (en) * | 2015-08-07 | 2017-02-16 | Vorwerk & Co. Interholding Gmbh | Surface treatment device and base station |
| JP2018005901A (en) * | 2016-06-24 | 2018-01-11 | ホーチキ株式会社 | Sensitivity test device |
| EP3441958A1 (en) * | 2017-08-10 | 2019-02-13 | Wagner Group GmbH | Control and monitoring module |
| WO2019090190A1 (en) * | 2017-11-03 | 2019-05-09 | Liss Jonathan L | Smoke detection material, method, apparatus and kit |
| EP3614352A2 (en) * | 2018-08-21 | 2020-02-26 | Viavi Solutions Inc. | Multispectral sensor based alert condition detector |
-
2021
- 2021-05-14 CN CN202110528374.0A patent/CN113299032B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5745039A (en) * | 1997-02-21 | 1998-04-28 | Minnesota Mining And Manufacturing Company | Remote sterilization monitor |
| JP2000215361A (en) * | 1998-11-18 | 2000-08-04 | Hochiki Corp | Smoke sensor, and smoke and heat compound sensor |
| EP1100061A2 (en) * | 1999-11-10 | 2001-05-16 | Nohmi Bosai Ltd. | Photoelectric smoke detecting apparatus |
| EP2043068A1 (en) * | 2007-09-28 | 2009-04-01 | Siemens Building Technologies Fire & Security Products GmbH & Co. oHG | Device for monitoring a fire alarm and configuration method and fire alarm |
| WO2017025370A1 (en) * | 2015-08-07 | 2017-02-16 | Vorwerk & Co. Interholding Gmbh | Surface treatment device and base station |
| JP2018005901A (en) * | 2016-06-24 | 2018-01-11 | ホーチキ株式会社 | Sensitivity test device |
| EP3441958A1 (en) * | 2017-08-10 | 2019-02-13 | Wagner Group GmbH | Control and monitoring module |
| WO2019090190A1 (en) * | 2017-11-03 | 2019-05-09 | Liss Jonathan L | Smoke detection material, method, apparatus and kit |
| EP3614352A2 (en) * | 2018-08-21 | 2020-02-26 | Viavi Solutions Inc. | Multispectral sensor based alert condition detector |
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|---|---|
| CN113299032B (en) | 2022-04-22 |
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