CN113379996A - Radar type airflow supercharging high-precision intelligent smoke sensor - Google Patents
Radar type airflow supercharging high-precision intelligent smoke sensor Download PDFInfo
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- CN113379996A CN113379996A CN202110724584.7A CN202110724584A CN113379996A CN 113379996 A CN113379996 A CN 113379996A CN 202110724584 A CN202110724584 A CN 202110724584A CN 113379996 A CN113379996 A CN 113379996A
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- 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
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Abstract
The invention relates to a radar type airflow pressurization high-precision intelligent smoke sensor which comprises a mounting seat (100) and a mounting shell (200), wherein the mounting seat (100) is connected with a ceiling, the mounting shell (200) is mounted at the bottom of the mounting seat (100), the outer surface of the mounting shell (200) is provided with an air inlet hole (210) for air to enter, the bottom of the mounting shell (200) is provided with an air outlet hole (220) for air to be discharged, a monitoring mechanism (300) for monitoring smoke of air entering the mounting shell (200) through the air inlet hole (210) is arranged in the mounting shell (200), and a circuit board (500) for signal receiving and transmitting is arranged in the mounting seat (100); compared with a smoke sensor for passively sensing the smoke concentration in the surrounding air in the prior art, the smoke sensor actively sucks and concentrates air in the installation shell, and achieves the early warning purpose by monitoring the smoke of the air in the installation shell, so that the smoke sensor is higher in monitoring precision and better in early warning effect.
Description
Technical Field
The invention relates to the field of smoke sprayers, in particular to a radar type airflow supercharging high-precision intelligent smoke sensor.
Background
Nowadays, as people improve safety consciousness in public places and relevant departments of the country pay attention, smoke is used more and more, for example, smoke is installed in indoor spaces where pedestrians appear in large numbers, such as shopping malls, hotels and clubs, and particularly, the smoke is actually a smoke detector or a special name of a smoke alarm, and is an alarm for realizing fire prevention by monitoring smoke concentration, a common smoke sensor in the current life generally senses the smoke concentration in the surrounding environment in a passive area, when smoke rises and spreads to the vicinity of the smoke sensor, the smoke sensor can send out an alarm signal, the spreading speed of fire is generally very fast, when the smoke sensor senses the alarm signal generated by smoke, the fire forms a certain trend to influence people escape, particularly, the flow of people in large public places is large, and the induction efficiency of the smoke sensor is slightly slow, the invention provides a radar type airflow pressurization high-precision intelligent smoke sensor, which can cause fire accidents greatly, can only identify smoke concentration generally, can also cause the smoke sensor to alarm when someone smokes smoke and is just below the smoke sensor, thereby causing false alarm and wasting fire fighting police strength, therefore, a monitoring mechanism in the invention continuously operates to pump air, so that the air on the same layer as the smoke sensor is discharged from an air inlet and an air outlet, wherein, in the flowing process of the air in a mounting shell, the monitoring mechanism senses the smoke content and components in the air and transmits signals to a circuit board, the circuit board transmits the signals to alarm equipment, compared with the smoke sensor passively sensing the smoke concentration in the surrounding air in the prior art, the invention actively pumps the air in the mounting shell, smog monitoring is carried out through the air to in the installation shell, reaches the early warning purpose, and monitoring accuracy is higher, and the early warning effect is better.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a radar type airflow pressurization high-precision intelligent smoke sensor.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
A radar type airflow pressurization high-precision intelligent smoke sensor comprises a mounting seat and a mounting shell, wherein the mounting seat is connected with a ceiling, and the mounting shell is mounted at the bottom of the mounting seat;
the outer surface of the mounting shell is provided with an air inlet hole for air to enter, the bottom of the mounting shell is provided with an air outlet hole for air to discharge, and the mounting shell is internally provided with a monitoring mechanism for monitoring smoke of the air entering the mounting shell through the air inlet hole;
the mounting seat is internally provided with a circuit board for receiving and transmitting signals.
Furthermore, the mounting seat is of a circular shell structure with an opening at one end and a closed end, a top cover is arranged at the opening end of the mounting seat and connected with a ceiling, and a through hole is formed in the closed end of the mounting seat;
the mounting plate is coaxially arranged at the closed end of the mounting seat and is in a circular plate structure, the inner circular surface of the mounting plate coaxially extends upwards to form a mounting ring, and the mounting ring is coaxially connected with a through hole arranged at the closed end of the mounting seat;
the installation shell is of a hemispherical shell structure with a hollow inner part, and the opening end of the installation shell is coaxially connected with the installation plate.
Further, the monitoring mechanism comprises an air inlet component, a sensing component and an air exhaust component, wherein the air exhaust component is used for enabling air to enter the mounting shell through the air inlet hole and to be exhausted through the air outlet hole, the air inlet component is used for guiding the air to pass through the sensing component in the air flowing process in the mounting shell, and the sensing component is used for sensing the smoke concentration in the air.
Further, the air inlet component comprises a connecting pipe body and an air inlet pipeline;
the connecting pipe body is of a pipeline structure with one open end and one closed end, and the closed end of the connecting pipe body is connected with the lower end face of the mounting plate;
one end of the air inlet pipeline is communicated with the connecting pipe body, and the other end of the air inlet pipeline is communicated with the air inlet;
the air inlet hole communicated with the air inlet pipeline is composed of a plurality of fine holes which are uniformly distributed at intervals;
the air inlet is provided with a plurality of air inlets along the circumferential direction of the opening of the mounting shell in an array mode, and the air inlet pipeline is correspondingly provided with a plurality of air inlets.
Furthermore, the induction component comprises an installation pipe body, the installation pipe body is of a solid block structure, and the installation pipe body is coaxially arranged at the opening end of the connection pipe body;
the smoke sensor device comprises a mounting pipe body, wherein the mounting pipe body is provided with a plurality of mounting grooves in an array manner along the circumferential direction of the mounting pipe body, and the mounting grooves are correspondingly provided with a plurality of smoke sensors a;
a mounting hole is formed in the middle of the upper end face of the mounting pipe body, a smoke sensor b is arranged in the mounting hole, and a ventilation area is formed between the smoke sensor b and the wall of the mounting hole;
the tank bottom of mounting groove set up the connecting hole that runs through terminal surface under to the installation body, and the connecting hole of every group mounting groove tank bottom is provided with a plurality of along the circumferencial direction array of mounting groove.
Further, the smoke sensor a is an ion type smoke sensor, and the smoke sensor b is a gas-sensitive smoke sensor.
Furthermore, the air exhaust component comprises a bearing pipe body, the bearing pipe body is of a pipeline structure with openings at two ends, one opening end of the bearing pipe body is connected with the lower end face of the installation pipe body, the bearing pipe body is connected and communicated with the connecting hole, the bearing pipe body is connected and communicated with the ventilation area, and the other opening end of the bearing pipe body is an air outlet end;
the bearing pipe body in be provided with the support, the support on install the air exhaust motor, the output of air exhaust motor is provided with the flabellum of bleeding.
Furthermore, the bearing pipe body give vent to anger the end and be provided with the pipeline of giving vent to anger, the pipeline of giving vent to anger be both ends open-ended pipeline structure, the pipeline of giving vent to anger comprises round platform section and cylinder section, the big open end of round platform section and the end of giving vent to anger of bearing pipe body are connected the switch-on, the little open end of round platform section and the open end of cylinder section are connected the switch-on, another open end and the venthole of cylinder section are connected the switch-on.
Furthermore, a rotating mechanism for driving the mounting plate to rotate is arranged in the mounting seat;
the mounting ring arranged on the mounting plate is connected with the through hole arranged on the mounting seat through a bearing;
the closed end of the connecting pipe body is provided with an avoidance hole;
the rotating mechanism comprises a rotating body, the rotating body is of a cylinder structure with openings at two ends, one end of the rotating body is coaxially arranged in the mounting ring, the other end of the rotating body penetrates through an avoidance hole formed in the closed end of the connecting pipe body and is positioned above the mounting pipe body, and the top of the smoke sensor b is arranged at the lower opening end of the rotating body;
the rotating mechanism also comprises a rotating motor arranged in the mounting seat, and a power transmission piece for realizing power transmission between the rotating motor and the rotating body is arranged between the rotating motor and the rotating body;
the mounting seat is internally provided with a through hole slip ring.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is originally designed to be placed in public places such as large buildings of markets, railway stations and the like, the monitoring mechanism in the invention continuously operates to extract air, so that the air on the same layer as the invention enters from the air inlet and is discharged from the air outlet, wherein in the flowing process of the air in the mounting shell, the monitoring mechanism senses the smoke content in the air, if the smoke concentration reaches a preset value, the monitoring mechanism transmits a signal to the circuit board, the circuit board transmits the signal to the alarm device, and the alarm device gives an alarm;
compared with a smoke sensor for passively sensing the smoke concentration in the surrounding air in the prior art, the smoke sensor actively sucks and concentrates air in the installation shell, and achieves the early warning purpose by monitoring the smoke of the air in the installation shell, so that the smoke sensor is higher in monitoring precision and better in early warning effect.
2. The air after being monitored by the smoke is discharged outwards through the air outlet pipeline, and due to the special shape of the air outlet pipeline, the air is discharged outwards through the air outlet hole at a higher speed, namely the air forms an air flow to be sprayed to the outside, so that the air after being monitored by the thick fog is sprayed to the layer far away from the invention, thereby avoiding the situation that the smoke concentrates around the invention, interferes with the monitoring result and causes fire misstatement, generally speaking, if the air outlet pipeline is not provided, the air discharged outwards through the air outlet hole returns to the nearby area of the invention again, and is sucked into the mounting shell again, and the process is repeated, so that the concentration of the air smoke in the nearby area of the invention is increased, the misstatement situation is easily caused, and the early warning effect is influenced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is an exploded view of the present invention.
Fig. 4 is a cross-sectional view of the mount of the present invention.
Fig. 5 is a schematic view of the mounting seat and the rotating mechanism of the present invention.
Fig. 6 is a schematic structural view of the rotating mechanism of the present invention.
Fig. 7 is a cross-sectional view of a rotary mechanism of the present invention.
Fig. 8 is a schematic diagram of the combination of the driven gear, the rotating body and the mounting plate of the present invention.
Fig. 9 is a cross-sectional view of the mounting housing and monitoring mechanism of the present invention.
Fig. 10 is a cross-sectional view of the mounting housing and air intake member of the present invention.
Fig. 11 is a cross-sectional view of the monitoring mechanism of the present invention.
Fig. 12 is a cross-sectional view of a sensing member of the present invention.
Figure 13 is a cross-sectional view of a pumping member of the present invention.
The reference numbers in the drawings are:
100. a mounting seat; 110. a top cover; 120. mounting a plate;
200. mounting a shell; 210. an air inlet; 220. an air outlet;
300. a monitoring mechanism;
310. an air intake member; 311. connecting the pipe body; 312. an air intake duct;
320. an induction member; 321. installing a pipe body; 322. mounting grooves; 323. a smoke sensor a; 324. mounting holes; 325. a smoke sensor b; 326. connecting holes;
330. an air extraction member; 331. supporting the pipe body; 332. an air extraction motor; 333. air exhaust fan blades; 334. an air outlet pipe;
400. a rotation mechanism; 410. a rotating electric machine; 420. a driving gear; 430. a driven gear; 440. a rotating body; 450. a via slip ring;
500. a circuit board.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-3, a radar type airflow pressurization high-precision intelligent smoke sensor comprises a mounting base 100 and a mounting shell 200, wherein the mounting base 100 is connected with a ceiling, and the mounting shell 200 is mounted at the bottom of the mounting base 100.
Specifically, the mounting seat 100 is a circular shell structure with an open end and a closed end, the open end of the mounting seat 100 is provided with a top cover 110, the top cover 110 is connected with a ceiling, and the closed end of the mounting seat 100 is provided with a through hole; in this embodiment, the mounting base 100 is taken as a circular shell structure as an example, and of course, the mounting base 100 may have other shapes, such as a rectangle, a square, etc., as long as the operation of the present invention is not affected.
The blind end of mount pad 100 coaxial be provided with the mounting panel 120 that is the annular plate body structure of circle, the coaxial upwards extension of interior disc of mounting panel 120 has the collar, the collar with set up in the through-hole coaxial coupling of mount pad 100 blind end.
The mounting shell 200 is a hemispherical shell structure with a hollow interior, and an open end of the mounting shell 200 is coaxially connected with the mounting plate 120.
As shown in fig. 2-3 and 10, an air inlet hole 210 for air to enter is formed in the outer surface of the mounting shell 200, an air outlet hole 220 for air to exit is formed in the bottom of the mounting shell 200, and a monitoring mechanism 300 for monitoring smoke of air entering the mounting shell 200 through the air inlet hole 210 is disposed in the mounting shell 200.
The mounting base 100 is provided therein with a circuit board 500 for receiving and transmitting signals.
The invention is originally designed to be placed in public places such as shopping malls, railway stations and other large buildings, the monitoring mechanism 300 in the invention continuously operates to pump air, so that the air on the same layer as the invention enters from the air inlet 210 and is discharged from the air outlet 220, wherein in the flowing process of the air in the installation shell 200, the monitoring mechanism 300 senses the smoke content in the air, if the smoke concentration reaches a preset value, the monitoring mechanism 300 transmits a signal to the circuit board 500, the circuit board 500 transmits the signal to the alarm device, and the alarm device gives an alarm.
Compared with a smoke sensor for passively sensing the smoke concentration in the surrounding air in the prior art, the smoke sensor actively sucks air and concentrates the air in the mounting shell 200, and achieves the early warning purpose by monitoring the smoke in the mounting shell 200, so that the smoke sensor is higher in monitoring precision and better in early warning effect.
As shown in fig. 9 to 13, the monitoring mechanism 300 includes an air inlet member 310, a sensing member 320, and a suction member 330, the suction member 330 is used for allowing air to enter the installation case 200 through the air inlet holes 210 and to be discharged through the air outlet holes 220, the air inlet member 310 is used for guiding air to pass through the sensing member 320 during the air flow in the installation case 200, and the sensing member 320 is used for sensing the smoke concentration in the air.
As shown in fig. 10 to 11, the air inlet member 310 includes a connection pipe body 311 and an air inlet pipe 312.
The connection tube 311 is a tube structure with an open end and a closed end, and the closed end of the connection tube 311 is connected to the lower end surface of the mounting plate 120.
One end of the air inlet pipe 312 is connected with the connecting pipe body 311, and the other end is connected with the air inlet 210.
Air enters the air intake duct 312 through the air intake holes 210 and is output toward the sensing member 320 through the open end of the connection tube body 311.
In the preferred embodiment, as shown in fig. 3, the air inlet hole 210 connected to the air inlet pipe 312 is composed of a plurality of fine holes uniformly spaced apart from each other, so that the air inlet hole 210 can filter air without affecting the air passing through the air inlet hole, thereby preventing lime on the ceiling or paper dust and lime floc in the air from entering the installation case 200, ensuring the cleanness and tidiness of the environment where the sensing member 320 is located, and preventing the smoke monitoring result from being interfered by lime, paper dust, lime floc, and the like.
In a preferred embodiment, as shown in fig. 3, the air inlets 210 are arranged in a plurality of arrays along the circumferential direction of the opening of the mounting case 200, and the air inlet pipes 312 are correspondingly arranged in a plurality of arrays, so that the arrangement is significant in that the speed of air entering the mounting case 200 is increased, and the accuracy and efficiency of smoke monitoring are further improved.
As shown in fig. 11 to 12, the sensing member 320 includes a mounting tube body 321, the mounting tube body 321 is a solid block structure, and the mounting tube body 321 is coaxially disposed at an open end of the connecting tube body 311.
The mounting structure is characterized in that a mounting groove 322 is formed in the upper end face of the mounting pipe body 321, a smoke sensor a323 is arranged in the mounting groove 322, a plurality of mounting grooves 322 are arranged in an array along the circumferential direction of the mounting pipe body 321, and a plurality of smoke sensors a323 are correspondingly arranged.
The middle position of the upper end face of the mounting pipe body 321 is provided with a mounting hole 324, a smoke sensor b325 is arranged in the mounting hole 324, and an area between the smoke sensor b325 and the wall of the mounting hole 324 is a ventilation area.
The smoke is contacted with the smoke sensor a323 and the smoke sensor b325 during the process of being discharged from the ventilation area after entering the air path sensing member 320 in the connection pipe body 311, and the smoke concentration in the air is monitored by the smoke sensor a323 and the smoke sensor b 325.
In a preferred embodiment, as shown in fig. 12, the bottom of the mounting groove 322 is provided with a plurality of connecting holes 326 penetrating to the lower end surface of the mounting pipe 321, and the connecting holes 326 at the bottom of each group of mounting grooves 322 are arranged in an array along the circumferential direction of the mounting groove 322.
The connection hole 326 is provided in order to discharge the air introduced into the connection pipe body 311 through the connection hole 326 and the ventilation area, and firstly, when the air is discharged from the connection hole 326, the air can be fully contacted with the smoke sensor a323, so that the monitoring of the smoke sensor a323 is more accurate; secondly, the exhaust rate of the air entering the connecting tube body 311 and the exhaust rate of the air in the connecting tube body 311 can be balanced, so that the external air continuously flows into the connecting tube body 311, the purpose of real-time monitoring is achieved, if the connecting hole 326 is not provided, the air in the connecting tube body 311 can only be exhausted through the ventilation area, the exhaust rate is low, the external air cannot enter the connecting tube body 311 in time, and the smoke monitoring result is delayed; thirdly, the innovation point of the invention is that air on the same layer as the invention is continuously pumped into the installation shell 200 and smoke concentration monitoring is actively carried out on the air through the smoke sensor a323 and the smoke sensor b325, on one hand, early warning information can be obtained in the first time through active monitoring, on the other hand, external air is actively pumped into the installation shell 200, smoke density in the air can be increased, accuracy of the smoke sensor a323 and the smoke sensor b325 on smoke monitoring is increased on the side face, and the early warning effect is better.
In a preferred embodiment, the smoke sensor a323 is an ion type smoke sensor, and the smoke sensor b325 is a gas-sensitive smoke sensor; the ionic smoke sensor has the advantages that the ionic smoke sensor is sensitive to tiny smoke particles, can respond to various kinds of smoke in a balanced mode, and can quickly monitor the occurrence of fire; the gas-sensitive smoke sensor can detect the components in smoke, convert the gas type and the information related to the concentration into electric signals, and obtain the information related to the existence condition of the gas to be detected in the environment according to the strength of the electric signals, so that the gas-sensitive smoke sensor can detect, monitor and alarm, and can also form an automatic detection, control and alarm system with a computer through an interface circuit; carry out smog monitoring through ionic type smoke transducer and gas sensitive type smoke transducer's cooperation, not only can make a response fast, obtain the first hand information that the conflagration took place, can also detect the composition of smog, the phenomenon of false triggering prevents to appear, for example, there is someone smoking in public place, can obtain someone smoking's result through gas sensitive type smoke transducer, and can not take place fire alarm information, gas sensitive type smoke transducer can give security personnel this information transfer of someone smoking simultaneously, dissuade the smoking personnel through security personnel.
As shown in fig. 11 and 13, the pumping member 330 includes a supporting tube 331, the supporting tube 331 has a duct structure with two open ends, one open end of the supporting tube 331 is connected to the lower end surface of the mounting tube 321, the supporting tube 331 is connected to the connection hole 326, the supporting tube 331 is connected to the ventilation area, and the other open end of the supporting tube 331 is an air outlet end.
The support tube 331 is internally provided with a support, the support is provided with an air exhaust motor 332, the output end of the air exhaust motor 332 is provided with air exhaust fan blades 333, the air exhaust motor 332 operates and pulls the air exhaust fan blades 333 to rotate, the air exhaust fan blades 333 rotate and enable the outside air to enter the mounting shell 200 through the air inlet 210 and to be exhausted through the air outlet 220, the air flows in the mounting shell 200 through the sensing component 320, and the sensing component 320 monitors the smoke concentration in the air.
The air extracting member 330 may be an air extracting pump or the like, besides the above-mentioned manner of using a fan, as long as it can extract air, which is outside and is on the same level as the present invention, into the installation case 200, and the air is exhausted through the air outlet 220 after being monitored by the smoke of the sensing member 320.
In a preferred embodiment, an air outlet pipe 334 is disposed at an air outlet end of the bearing pipe body 331, the air outlet pipe 334 is a pipe structure with openings at two ends, the air outlet pipe 334 is composed of a circular truncated cone section and a cylindrical section, a large opening end of the circular truncated cone section is connected and communicated with the air outlet end of the bearing pipe body 331, a small opening end of the circular truncated cone section is connected and communicated with an opening end of the cylindrical section, and the other opening end of the cylindrical section is connected and communicated with the air outlet hole 220.
The significance of the arrangement of the air outlet pipe 334 is that the air after being monitored by smoke is discharged outwards through the air outlet 334, because of the special shape of the air outlet 334, the air is discharged outwards through the air outlet 220 at a higher speed, that is, the air forms an air flow to be sprayed to the outside, so that the air after being monitored by dense fog is sprayed to the layer far away from the invention, thereby avoiding the situation that the smoke is concentrated around the invention, the monitoring result is interfered, and the false fire alarm is formed, generally speaking, if no air outlet pipe 334 exists, the air discharged outwards through the air outlet 220 returns to the nearby area of the invention again, and then is sucked into the mounting shell 200 again, and the above steps are repeated, so that the air smoke concentration in the nearby area of the invention is increased extremely, the false alarm situation is easily generated, and the early warning effect is influenced.
In a preferred embodiment, as shown in fig. 4-7 and 12, a rotating mechanism 400 for driving the mounting plate 120 to rotate is disposed in the mounting base 100, the rotating mechanism 400 is disposed to drive the mounting plate 120 to rotate, so as to pull the mounting shell 200 and the monitoring mechanism 300 disposed in the mounting shell 200 to rotate synchronously, so that air on the same level as the air inlet hole 210 can enter the mounting shell 200, and the monitoring effect is improved, if there is no rotating mechanism 400, although air on the same level as the air inlet hole can also enter the mounting shell 200, there is always a sequential order, for example, air around the air inlet hole 210 will enter the mounting shell 200 first, so that when a fire occurs in a place not in the same direction as the air inlet hole 210, the alarm information will be delayed, the fire will spread very rapidly, the delay of the alarm information will easily cause the fire to spread to be large, therefore, a rotating mechanism 400 is added.
Specifically, the mounting ring disposed on the mounting plate 120 is connected to the through hole disposed on the mounting base 100 through a bearing.
The closed end of the connecting tube 311 is provided with an avoiding hole.
The rotating mechanism 400 further includes a rotating motor 410 installed in the mounting base 100, and a power transmission member for transmitting power between the rotating motor 410 and the rotating body 440 is disposed between the rotating motor 410 and the rotating body.
The power transmission member may be, as shown in fig. 6-7, composed of a driving gear 420 sleeved on the output end of the rotating electrical machine 410 and a driven gear 430 connected with the upper open end of the rotating body 440, the driving gear 420 is engaged with the driven gear 430, or may be other power transmission structures, such as belt transmission, chain transmission and the like, as long as the power transmission between the rotating electrical machine 410 and the rotating body 440 can be realized, in addition, the transmission ratio of the power transmission member is preferably greater than one, and for the speed reduction transmission structure, the mounting case 200 and the monitoring mechanism 300 can be rotated slowly at a constant speed.
In the preferred embodiment, as shown in fig. 7, a through-hole slip ring 450 is disposed in the mounting base 100, and the through-hole slip ring 450 is disposed in such a way that the rotation mechanism 400 drives the mounting shell 200 and the monitoring mechanism 300 to rotate, so that the through-hole slip ring 450 is required to be disposed for series-parallel connection between the smoke sensor and the electric wire, otherwise, the electric wire is wound.
The whole working process of the invention is summarized as follows: the rotating motor 410 and the suction motor 332 operate simultaneously, wherein the rotating motor 410 operates and pulls the rotating body 440 to rotate through the power transmission member, and the rotating body 440 pulls the mounting case 200 and the monitoring mechanism 300 to rotate slowly at a constant rate;
the air suction motor 332 operates and pulls the air suction fan blades 333 to rotate, so that the outside air on the same layer as the air suction device is sucked into the connecting pipe body 311 through the air inlet 210 and the air inlet pipeline 312, passes through the induction component 320 and then is ejected and discharged through the air outlet pipeline 334, and the air suction device is far away from the air suction device, so that smoke is prevented from being concentrated around the air suction device and interfering with a monitoring result;
when the air passes through the sensing member 320, the sensing member 320 monitors the smoke concentration in the air through the smoke sensor a323 and the smoke sensor b 325.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A radar type airflow pressurization high-precision intelligent smoke sensor is characterized by comprising a mounting seat (100) and a mounting shell (200), wherein the mounting seat (100) is connected with a ceiling, and the mounting shell (200) is mounted at the bottom of the mounting seat (100);
the outer surface of the mounting shell (200) is provided with an air inlet hole (210) for air to enter, the bottom of the mounting shell (200) is provided with an air outlet hole (220) for air to be discharged, and a monitoring mechanism (300) for monitoring smoke of the air entering the mounting shell (200) through the air inlet hole (210) is arranged in the mounting shell (200);
a circuit board (500) for receiving and transmitting signals is arranged in the mounting seat (100).
2. The radar type airflow pressurization high-precision intelligent smoke sensor according to claim 1, wherein the mounting base (100) is of a circular shell structure with one open end and one closed end, a top cover (110) is arranged at the open end of the mounting base (100), the top cover (110) is connected with a ceiling, and a through hole is formed in the closed end of the mounting base (100);
the mounting plate (120) in a circular plate structure is coaxially arranged at the closed end of the mounting seat (100), a mounting ring coaxially extends upwards from the inner circular surface of the mounting plate (120), and the mounting ring is coaxially connected with a through hole formed in the closed end of the mounting seat (100);
the mounting shell (200) is of a hemispherical shell structure with a hollow interior, and the opening end of the mounting shell (200) is coaxially connected with the mounting plate (120).
3. The radar-type airflow supercharging high-precision intelligent smoke sensor as claimed in claim 2, wherein the monitoring mechanism (300) comprises an air inlet member (310), a sensing member (320) and an air exhaust member (330), the air exhaust member (330) is used for enabling air to enter the installation shell (200) through the air inlet hole (210) and to be exhausted through the air outlet hole (220), the air inlet member (310) is used for guiding air to pass through the sensing member (320) in the air flowing process in the installation shell (200), and the sensing member (320) is used for sensing the smoke concentration in the air.
4. The radar-type airflow supercharging high-precision intelligent smoke sensor as claimed in claim 3, wherein the air inlet component (310) comprises a connecting pipe body (311) and an air inlet pipeline (312);
the connecting pipe body (311) is of a pipeline structure with one end open and the other end closed, and the closed end of the connecting pipe body (311) is connected with the lower end face of the mounting plate (120);
one end of the air inlet pipeline (312) is communicated with the connecting pipe body (311), and the other end of the air inlet pipeline is communicated with the air inlet hole (210).
5. The radar type airflow pressurization high-precision intelligent smoke sensor as claimed in claim 4, wherein the sensing member (320) comprises a mounting tube body (321), the mounting tube body (321) is of a solid block structure, and the mounting tube body (321) is coaxially arranged at the open end of the connecting tube body (311);
the smoke sensor is characterized in that the upper end surface of the mounting pipe body (321) is provided with a mounting groove (322), smoke sensors a (323) are arranged in the mounting groove (322), a plurality of mounting grooves (322) are arrayed along the circumferential direction of the mounting pipe body (321), and a plurality of smoke sensors a (323) are correspondingly arranged;
the middle position of the upper end face of the mounting pipe body (321) is provided with a mounting hole (324), a smoke sensor b (325) is arranged in the mounting hole (324), and an area between the smoke sensor b (325) and the hole wall of the mounting hole (324) is a ventilation area.
6. The radar-type airflow pressurization high-precision intelligent smoke sensor as claimed in claim 5, wherein the smoke sensor a (323) is an ion-type smoke sensor, and the smoke sensor b (325) is a gas-sensitive smoke sensor.
7. The radar type airflow pressurization high-precision intelligent smoke sensor as claimed in claim 5, wherein the air extracting component (330) comprises a supporting tube body (331), the supporting tube body (331) is of a pipeline structure with openings at two ends, one open end of the supporting tube body (331) is connected with the lower end face of the mounting tube body (321), the supporting tube body (331) is connected and communicated with the connecting hole (326), the supporting tube body (331) is connected and communicated with the ventilation area, and the other open end of the supporting tube body (331) is an air outlet end;
the bearing pipe body (331) is internally provided with a support, the support is provided with an air exhaust motor (332), and the output end of the air exhaust motor (332) is provided with air exhaust fan blades (333).
8. The radar type airflow pressurization high-precision intelligent smoke sensor as claimed in claim 7, wherein an air outlet pipeline (334) is arranged at an air outlet end of the bearing tube body (331), the air outlet pipeline (334) is of a pipeline structure with openings at two ends, the air outlet pipeline (334) is composed of a circular truncated cone section and a cylindrical section, a large opening end of the circular truncated cone section is connected and communicated with the air outlet end of the bearing tube body (331), a small opening end of the circular truncated cone section is connected and communicated with one opening end of the cylindrical section, and the other opening end of the cylindrical section is connected and communicated with the air outlet hole (220).
9. The radar type airflow pressurization high-precision intelligent smoke sensor as claimed in any one of claims 1-8, wherein a rotating mechanism (400) for driving the mounting shell (200) and the monitoring mechanism (300) to rotate synchronously is arranged in the mounting seat (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110724584.7A CN113379996A (en) | 2021-06-29 | 2021-06-29 | Radar type airflow supercharging high-precision intelligent smoke sensor |
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| CN202110724584.7A CN113379996A (en) | 2021-06-29 | 2021-06-29 | Radar type airflow supercharging high-precision intelligent smoke sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117079405A (en) * | 2023-10-13 | 2023-11-17 | 深圳市盛邦通信有限公司 | Split type smoke sensor capable of actively capturing induction |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117079405A (en) * | 2023-10-13 | 2023-11-17 | 深圳市盛邦通信有限公司 | Split type smoke sensor capable of actively capturing induction |
| CN117079405B (en) * | 2023-10-13 | 2023-12-19 | 深圳市盛邦通信有限公司 | Split type smoke sensor capable of actively capturing induction |
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