CN110304009B - Emergency shielding curtain system for passenger car fire and shielding method - Google Patents
Emergency shielding curtain system for passenger car fire and shielding method Download PDFInfo
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- CN110304009B CN110304009B CN201910586052.4A CN201910586052A CN110304009B CN 110304009 B CN110304009 B CN 110304009B CN 201910586052 A CN201910586052 A CN 201910586052A CN 110304009 B CN110304009 B CN 110304009B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/06—Safety nets, transparent sheets, curtains, or the like, e.g. between occupants and glass
- B60R21/08—Safety nets, transparent sheets, curtains, or the like, e.g. between occupants and glass automatically movable from an inoperative to an operative position, e.g. in a collision
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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
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Abstract
The invention relates to the technical field of passenger car driving safety, in particular to a passenger car fire emergency shielding curtain system and a shielding method. Emergent shielding curtain system includes in the passenger train on fire: the fire hazard detector comprises a smoke sensing type fire hazard detector, a fire hazard alarm controller, a human body life detector, a data processor, an electric control template and a plurality of groups of shielding curtain mechanisms; the output end of the smoke-sensitive fire detector is electrically connected with the input end of a fire alarm controller, the output ends of the fire alarm controller and the human body life detector are respectively and electrically connected with the input end of a data processor, the output end of the data processor is electrically connected with the input end of an electric control module, and the output end of the electric control module is respectively and electrically connected with the control end of each group of shielding curtain mechanism motors. The invention can block the spread of fire when the fire happens in the carriage of the passenger car, traps the fire in a local area, avoids accidents caused by the fact that passengers cannot escape in time due to the fact that the fire spreads too fast, and reduces casualties and economic losses of people in the passenger car.
Description
Technical Field
The invention relates to the technical field of passenger car driving safety, in particular to a passenger car fire emergency shielding curtain system and a shielding method.
Background
In 2019, 22 days later in 3 months, a fire burning accident of a bus occurs in China and county of China, Henan province at a constant high speed, and in 3 months and 23 days, 26 people die and 28 people are injured due to the accident. After the reasons of accidents are analyzed, it is known that after the rear part of the passenger car is on fire, the time for passengers to escape is too short due to the rapid diffusion of fire. Most passengers cannot escape in such a short time, so that tragedy occurs.
Aiming at the fire in the passenger car, the traditional solution method comprises the steps of arranging an escape door for accidents under the condition of arranging a normal door and arranging a fire extinguisher for fire extinguishment. Because the characteristic that the conflagration is violent, the diffusion rate that spreads is fast, the passenger is not familiar with and emergency exits can't set up everywhere to the use of fire extinguisher, cause: firstly, the emergency situation can not be acted after the emergency situation occurs, and secondly, the passenger in the fire disaster can not react in time when the emergency situation occurs, and the escape opportunity is missed. Other solutions are: the safety hammer is arranged, so that passengers can escape by smashing glass when accidents happen. Due to the rapid spread of fire and uncertainty of surrounding environment in the running process of the passenger car, the emergency escape effect after the fire is started is not obvious enough. On the other hand, due to the reasons of excessive tension of passengers or smoke obstruction and the like, the passengers cannot explode doors and windows in time to escape, and huge loss and casualties are caused.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a fire emergency shielding curtain system for a passenger car and a shielding method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a passenger vehicle fire emergency screen system, comprising: the fire hazard detector comprises a smoke sensing type fire hazard detector, a fire hazard alarm controller, a human body life detector, a data processor, an electric control template and a plurality of groups of shielding curtain mechanisms;
the shielding curtain mechanisms are sequentially arranged in the carriage of the passenger car from back to front, and each shielding curtain mechanism comprises a motor, a shielding curtain and a fixing mechanism; the shielding curtain is rolled up and fixed on the top of the carriage through the fixing mechanism under normal conditions, and when a fire disaster happens, the shielding curtain is manually pulled down or driven by a motor to fall down to form a shielding door which is parallel to the cross section of the carriage; the motor is also fixed at the top of the carriage through the fixing mechanism;
the smoke-sensitive fire detector and the human body life detector are arranged in a plurality of areas divided by the shielding door, and the smoke-sensitive fire detector and the human body life detector are arranged in each area; the output end of the smoke-sensitive fire detector is electrically connected with the input end of the fire alarm controller, the output ends of the fire alarm controller and the human body life detector are respectively and electrically connected with the input end of the data processor, the output end of the data processor is electrically connected with the input end of the electric control module, and the output end of the electric control module is respectively and electrically connected with the control end of each group of shielding curtain mechanism motors.
Furthermore, the fixing mechanism of the shielding curtain mechanism comprises a shell, a shielding curtain supporting rod, a hollow shaft and a sleeve; the shell is a hollow shell and is not provided with a bottom; the shielding curtain supporting rod is fixed inside the shell, the sleeve and the hollow shaft are sleeved outside the shielding curtain supporting rod, the sleeve is arranged at the end part of the hollow shaft close to the motor, and the shielding curtain is wound on the hollow shaft; the motor of the shielding curtain mechanism is fixed on the inner wall of the shell, an output shaft of the motor is in key connection with the sleeve, and the sleeve drives the hollow shaft to rotate.
Furthermore, when seats on two sides in the carriage of the passenger car are asymmetrically arranged, the fixing mechanism of the shielding curtain mechanism further comprises a universal joint, and the universal joint is connected with the hollow shaft, so that the shielding door is changed into a folded surface from a plane.
Furthermore, the length of the shielding curtain which is put down is equal to or slightly larger than the height of the carriage, and the width of the cross section of the shielding curtain is the same as the width of the carriage.
Furthermore, sealing rubber strips are respectively arranged on the two sides and the bottom of the shielding curtain, wherein the sealing rubber strips on the two sides of the shielding curtain can be wound, and fireproof glue is coated on the surfaces of the sealing rubber strips; and the shielding door is positioned between the seat gaps.
Further, in the above-mentioned case,
the smoke-sensitive fire detector is used for identifying a fire signal;
the fire alarm controller is used for receiving a fire signal identified by the smoke sensing type fire detector, displaying a fire position and simultaneously sending out a fire alarm;
the human body life detector is used for detecting whether passengers exist in a fire area when a fire happens;
the data processor is used for sending an instruction to the electronic control module according to the specific fire position information acquired by the fire alarm controller and the information whether people exist in the fire area acquired by the human body life detector;
the electric control template is used for controlling the shielding curtains in each group of shielding curtain mechanisms to fall;
the motor is used for driving the shielding curtain to fall.
Furthermore, an infrared sensor and an alarm are arranged at the bottom of the shielding curtain; the infrared sensor is used for detecting whether an obstacle exists below the shielding door; under the condition that an obstacle is detected to exist below the shielding door, triggering the alarm to send out alarm information; wherein the infrared sensor is electrically connected to the alarm.
Further, the fire alarm controller is arranged in the carriage and is connected with an instrument panel of a driver; the electric control template comprises a control switch and an automatic starting emergency switch, wherein the control switch is used for controlling the start and stop of the motor of each group of shielding curtain mechanisms.
An emergency shielding method based on a passenger car fire emergency shielding curtain system comprises the following steps:
step 1, when a fire breaks out in a passenger car, a smoke-sensitive fire detector detects a fire signal and transmits the fire signal to a fire alarm controller, and the fire alarm controller displays the fire position and gives out a fire alarm;
and 3, the fire is trapped in a local area, and passengers escape from a normal door and an escape door or break glass by using a safety hammer.
Further, in step 2, when a certain time t passes, if the shielding door is not started, the emergency switch is automatically started to control each group of shielding curtain mechanisms: the smoke-sensitive fire detector detects the specific position of a fire, and meanwhile, the human life detector detects whether a person exists in a fire area; the smoke-sensitive fire detector and the human body life detector send the detected fire information and the information of whether passengers exist in a fire area to the data processor, and the data processor judges according to the acquired information; when the data processor judges that a person exists in the fire area, the data processor does not send an instruction to the electric control module, and the shielding curtain does not fall at the moment; when the data processor judges that a fire disaster occurs in the area surrounded by the shielding curtains and no person exists in the fire disaster area, a landing instruction for controlling the corresponding shielding curtains is sent to the electric control module.
The invention has the beneficial effects that:
the invention can block the spread of fire when the fire happens in the carriage of the passenger car, traps the fire in a local area, avoids accidents caused by the fact that passengers cannot escape in time due to the fact that the fire spreads too fast, and reduces casualties and economic losses of people in the passenger car.
Drawings
FIG. 1 is a schematic side structure view of a fire emergency shielding curtain system of a passenger car when seats on two sides of the passenger car are symmetrically arranged;
FIG. 2 is a schematic structural diagram of a passenger car fire emergency shielding curtain system in a top view when seats on two sides of the passenger car are asymmetrically arranged;
FIG. 3 is a schematic flow chart of a method for shielding a passenger car in case of fire emergency;
FIG. 4 is a schematic structural view of the shielding curtain mechanism after the shielding curtain is laid down;
FIG. 5 is a schematic view of the connection structure of the internal components of the fire emergency shielding curtain system of the passenger car;
the system comprises a base, a first shielding curtain, a second shielding curtain, a third shielding curtain, a fourth shielding curtain, a fifth shielding curtain, a sixth shielding curtain, a 7-front door, a 8-rear door, a 9-escape door, a 10-shielding door, a seat 11, a seventh shielding curtain 12, an eighth shielding curtain 13, a ninth shielding curtain 14, a tenth shielding curtain 15, an eleventh shielding curtain 16, a hollow shaft 17, a motor 18, a sleeve 19 and a shielding curtain 20.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A passenger vehicle fire emergency screen system, comprising: the fire hazard detector comprises a smoke sensing type fire hazard detector, a fire hazard alarm controller, a human body life detector, a data processor, an electric control template and a plurality of groups of shielding curtain mechanisms.
As shown in fig. 1, the multiple groups of shielding curtain mechanisms are sequentially arranged inside the carriage of the passenger car from back to front, the multiple groups of shielding curtain mechanisms can be arranged into 3-8 groups, 6 groups are arranged in this embodiment, and the distances between the shielding curtain mechanisms are approximately the same. Each group of shielding curtain mechanisms comprises a motor, a shielding curtain and a fixing mechanism. Under normal conditions the shielding curtain is rolled up and is passed through fixed establishment fixes at the carriage top, and when the conflagration breaing out, the shielding curtain is pulled down by manual or is descended by motor drive and forms one shielding door, the shielding door is on a parallel with the cross section in carriage, just the length that the shielding curtain was put down equals or slightly is greater than the carriage height, shielding curtain cross section width is the same with carriage width. Preferably, sealing rubber strips are arranged on two sides and the bottom of the shielding curtain respectively, the sealing rubber strips on the two sides of the shielding curtain can be wound, the surfaces of the sealing rubber strips are coated with fireproof glue, and certain harmful gas can be blocked while fire spreading is blocked.
The shielding curtain mechanism is arranged at a position which ensures that the shielding curtain is put down between the seat gaps, namely the shielding door is positioned between the seat gaps, so that the shielding curtain is ensured not to be interfered by the seat when falling, and the shielding curtain can be lowered to the end. Preferably, the bottom of the shielding curtain is also provided with an infrared sensor and an alarm; the infrared sensor is used for detecting whether an obstacle exists below the shielding door; under the condition that the barrier is detected to be arranged below the shielding door, the alarm is triggered to send alarm information to inform passengers to quickly remove the barrier below the shielding door, so that the shielding door completely descends to ensure the partition effect of the shielding door. Wherein the infrared sensor is electrically connected to the alarm.
The smoke-sensitive fire detector and the human body life detector are arranged in a plurality of areas divided by the shielding door, and the smoke-sensitive fire detector and the human body life detector are arranged in each area. As shown in fig. 5, the output end of the smoke-sensitive fire detector is electrically connected to the input end of the fire alarm controller, the output ends of the fire alarm controller and the human life detector are electrically connected to the input end of the data processor, the output end of the data processor is electrically connected to the input end of the electronic control module, and the output end of the electronic control module is electrically connected to the control end of each group of shielding curtain mechanism motors. The smoke sensing type fire detector is used for identifying a fire signal; the fire alarm controller is used for receiving a fire signal identified by the smoke sensing type fire detector, displaying a fire position and simultaneously sending out a fire alarm; the human body life detector is used for detecting whether passengers exist in a fire area when a fire happens; the data processor is used for sending an instruction to the electronic control module according to the specific fire position information acquired by the fire alarm controller and the information whether people exist in the fire area acquired by the human body life detector; the electric control template is used for controlling the shielding curtains in each group of shielding curtain mechanisms to fall; the motor is used for driving the shielding curtain to fall. Wherein the smoke-sensitive fire detector, the human life detector, the fire alarm controller, the data processor and the electronic control template are not shown in fig. 1 and 2.
In this embodiment, the data processor is an ARM9 processor, and the data processor is electrically connected to the electronic control module through an I/O interface.
As shown in fig. 4, the fixing mechanism of the curtain shield mechanism includes a housing, a curtain shield support rod, a hollow shaft 17, and a sleeve 19, wherein neither the housing nor the curtain shield support rod is shown in fig. 4. The shell is a hollow shell and is not provided with a bottom; the shielding curtain supporting rod is fixed in the shell, the sleeve and the hollow shaft 17 are sleeved on the outer side of the shielding curtain supporting rod, the sleeve 19 is arranged at the end part of the hollow shaft close to the motor 18, and the shielding curtain 20 is wound on the hollow shaft; the motor of the shielding curtain mechanism is fixed on the inner wall of the shell, the output shaft of the motor is in key connection with the sleeve, and the sleeve 19 drives the hollow shaft 17 to rotate.
As a further improvement of the embodiment, the fire alarm controller is arranged inside the carriage and is connected with an instrument panel of a driver; the electric control template comprises a control switch and an automatic starting emergency switch, wherein the control switch is used for controlling the start and stop of the motor of each group of shielding curtain mechanisms.
Example 2
The difference between this embodiment and embodiment 1 is that when the seats on both sides inside the passenger car compartment are asymmetrically arranged, as shown in fig. 2, the fixing mechanism of the shielding curtain mechanism further includes a universal joint, and the universal joint is connected with the hollow shaft, so that the shielding door is changed from a plane to a folded surface. In the embodiment, 5 groups of shielding curtain mechanisms are arranged inside the carriage.
Example 3
An emergency shielding method based on a passenger car fire emergency shielding curtain system is shown in fig. 3, and comprises the following steps:
step 1, when a fire occurs in a passenger car, the smoke-sensitive fire detector detects a fire signal and transmits the fire signal to the fire alarm controller, and the fire alarm controller displays the fire position and gives out a fire alarm. And meanwhile, the fire alarm controller also displays the fire position on a driver instrument panel, so that a driver or passengers in the vehicle can quickly sense the fire position.
And 2, guiding the passengers to rapidly transfer by a driver or a safety worker, manually pulling down the shielding curtain or operating a control switch by the driver to transmit a control signal to a control end of a motor of a shielding curtain mechanism near the fire position through an electric control module when the passengers are rapidly transferred to a relatively safe position in the carriage, wherein the motor drives the shielding curtain to rapidly descend to form one or more shielding doors, so that fire and smoke are trapped in a local area, and more time is reserved for the passengers to escape.
And 3, the fire and the smoke are trapped in local areas, the escape time of the passengers is greatly prolonged, and the passengers escape from orderly normal doors and escape doors or glass crushed by using safety hammers under the mediation of drivers and safety personnel.
Wherein, in step 2, when a certain time t, if after 30s, if the shield door is not started, then the automatic start emergency switch controls every group of shielding curtain mechanism: the smoke-sensitive fire detector detects the specific position of a fire, and meanwhile, the human life detector detects whether a person exists in a fire area; the smoke-sensitive fire detector and the human body life detector send the detected fire information and the information of whether passengers exist in a fire area to the data processor, and the data processor judges according to the acquired information; when the data processor judges that a person exists in the fire area, the data processor does not send an instruction to the electric control module, and the shielding curtain does not fall at the moment; when the data processor judges that a fire disaster occurs in the area surrounded by the shielding curtains and no person exists in the fire disaster area, a landing instruction for controlling the corresponding shielding curtains is sent to the electric control module.
As shown in fig. 1, the fire emergency shielding curtain system for passenger cars is provided with 6 groups of shielding curtain mechanisms, and the 6 groups of shielding curtain mechanisms divide the passenger car into 7 areas: the three-dimensional display comprises a first area, a second area, a third area, a fourth area, a fifth area, a sixth area and a seventh area. When a fire disaster occurs in an area, the first shielding curtain 1 falls; when a fire disaster occurs in the second area, the second shielding curtain 2 and the third shielding curtain 3 fall; if a fire disaster occurs in the three areas, the third shielding curtain 3 and the fourth shielding curtain 4 fall; if a fire disaster occurs in the four areas, the fourth shielding curtain 4 and the fifth shielding curtain 5 fall; if a fire disaster occurs in the five areas, the fifth shielding curtain 5 and the sixth shielding curtain 6 fall; in case of fire in the seventh area, the sixth shielding curtain 6 is dropped.
As shown in fig. 2, the fire emergency shielding curtain system for passenger cars is provided with 5 groups of shielding curtain mechanisms, and the 5 groups of shielding curtain mechanisms divide the passenger car into 6 areas: eight regions, nine regions, ten regions, eleven regions, twelve regions, and thirteen regions. When a fire disaster occurs in the eight areas, the seventh shielding curtain 12 falls; if a fire disaster occurs in the nine areas, the seventh shielding curtain 12 and the eighth shielding curtain 13 fall; if a fire breaks out in ten areas, the eighth shielding curtain 13 and the ninth shielding curtain 14 fall; in case of fire in eleven areas, the ninth shielding curtain 14 and the tenth shielding curtain 15 fall; if a fire breaks out in the twelve areas, the tenth shielding curtain 15 and the eleventh shielding curtain 16 fall; in case of a fire in the thirteen regions, the eleventh shielding curtain 16 falls.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An emergency shielding method based on a passenger car fire emergency shielding curtain system is characterized in that,
emergent shielding curtain system includes in the passenger train on fire: the fire hazard detector comprises a smoke sensing type fire hazard detector, a fire hazard alarm controller, a human body life detector, a data processor, an electric control template and a plurality of groups of shielding curtain mechanisms;
the shielding curtain mechanisms are sequentially arranged in the carriage of the passenger car from back to front, and each shielding curtain mechanism comprises a motor, a shielding curtain and a fixing mechanism; the shielding curtain is rolled up and fixed on the top of the carriage through the fixing mechanism under normal conditions, and when a fire disaster happens, the shielding curtain is manually pulled down or driven by a motor to fall down to form a shielding door which is parallel to the cross section of the carriage; the motor is also fixed at the top of the carriage through the fixing mechanism;
the smoke-sensitive fire detector and the human body life detector are arranged in a plurality of areas divided by the shielding door, and the smoke-sensitive fire detector and the human body life detector are arranged in each area; the output end of the smoke-sensitive fire detector is electrically connected with the input end of the fire alarm controller, the output ends of the fire alarm controller and the human body life detector are respectively and electrically connected with the input end of the data processor, the output end of the data processor is electrically connected with the input end of the electric control module, and the output end of the electric control module is respectively and electrically connected with the control end of each group of shielding curtain mechanism motors;
the fire alarm controller is used for receiving a fire signal identified by the smoke sensing type fire detector, displaying a fire position and simultaneously sending out a fire alarm;
the fixing mechanism of the shielding curtain mechanism comprises a shell, a shielding curtain supporting rod, a hollow shaft and a sleeve; the shell is a hollow shell and is not provided with a bottom; the shielding curtain supporting rod is fixed inside the shell, the sleeve and the hollow shaft are sleeved outside the shielding curtain supporting rod, the sleeve is arranged at the end part of the hollow shaft close to the motor, and the shielding curtain is wound on the hollow shaft; the motor of the shielding curtain mechanism is fixed on the inner wall of the shell, an output shaft of the motor is in key connection with the sleeve, and the sleeve drives the hollow shaft to rotate;
when the seats on two sides in the carriage of the passenger car are asymmetrically arranged, the fixing mechanism of the shielding curtain mechanism further comprises a universal joint, and the universal joint is connected with the hollow shaft, so that the shielding door is changed into a folded surface from a plane;
sealing rubber strips are respectively arranged on the two sides and the bottom of the shielding curtain, wherein the sealing rubber strips on the two sides of the shielding curtain can be wound, and fireproof glue is coated on the surfaces of the sealing rubber strips; the shielding door is positioned between the seat gaps;
the fire alarm controller is arranged in the carriage and is connected with an instrument panel of a driver; the electric control template comprises a control switch for controlling the start and stop of the motor of each group of shielding curtain mechanisms and an automatic starting emergency switch;
the emergency shielding method comprises the following steps:
step 1, when a fire breaks out in a passenger car, a smoke-sensitive fire detector detects a fire signal and transmits the fire signal to a fire alarm controller, and the fire alarm controller displays the fire position and gives out a fire alarm;
step 2, when the passengers are quickly transferred to a relatively safe position in the carriage, manually pulling down the shielding curtain or transmitting a control signal to a control end of a motor of a shielding curtain mechanism near the fire starting position through a control switch of an electric control module, wherein the motor drives the shielding curtain to rapidly descend to form one or more shielding doors;
when a certain time t passes, if the shielding door is not started, the automatic starting emergency switch controls each group of shielding curtain mechanisms: the smoke-sensitive fire detector detects the specific position of a fire, and meanwhile, the human life detector detects whether a person exists in a fire area; the smoke-sensitive fire detector and the human body life detector send the detected fire information and the information of whether passengers exist in a fire area to the data processor, and the data processor judges according to the acquired information; when the data processor judges that a person exists in the fire area, the data processor does not send an instruction to the electric control module, and the shielding curtain does not fall at the moment; when the data processor judges that a fire disaster occurs in the area surrounded by the shielding curtains and no person exists in the fire disaster area, a landing instruction for controlling the corresponding shielding curtains is sent to the electric control module;
and 3, the fire is trapped in a local area, and passengers escape from a normal door and an escape door or break glass by using a safety hammer.
2. The emergency shielding method based on the passenger car fire emergency shielding curtain system according to claim 1, wherein the shielding curtain is laid down to a length equal to or slightly greater than the height of the carriage, and the cross-sectional width of the shielding curtain is the same as the width of the carriage.
3. The emergency shielding method based on the passenger car fire emergency shielding curtain system according to claim 1,
the smoke-sensitive fire detector is used for identifying a fire signal;
the human body life detector is used for detecting whether passengers exist in a fire area when a fire happens;
the data processor is used for sending an instruction to the electronic control module according to the specific fire position information acquired by the fire alarm controller and the information whether people exist in the fire area acquired by the human body life detector;
the electric control template is used for controlling the shielding curtains in each group of shielding curtain mechanisms to fall;
the motor is used for driving the shielding curtain to fall.
4. The emergency shielding method based on the passenger car fire emergency shielding curtain system as claimed in claim 1, wherein the shielding curtain is further provided with an infrared sensor and an alarm at the bottom; the infrared sensor is used for detecting whether an obstacle exists below the shielding door; under the condition that an obstacle is detected to exist below the shielding door, triggering the alarm to send out alarm information; wherein the infrared sensor is electrically connected to the alarm.
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| CN201910586052.4A CN110304009B (en) | 2019-07-01 | 2019-07-01 | Emergency shielding curtain system for passenger car fire and shielding method |
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| CN204095744U (en) * | 2014-09-28 | 2015-01-14 | 广东省工业贸易职业技术学校 | Bus can convolution fire separation curtain |
| FI127685B (en) * | 2016-02-29 | 2018-12-14 | Pmc Polarteknik Oy Ab | Structure for dividing a vehicle into sections |
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| KR101679713B1 (en) * | 2016-06-14 | 2016-11-25 | 주식회사 세광티이씨 | Smoke prevention wall equipment for fire fighting |
| CN106515640A (en) * | 2016-11-07 | 2017-03-22 | 江苏理工学院 | Intelligent fire insulation system of passenger car |
| CN106968574A (en) * | 2017-04-21 | 2017-07-21 | 上海电机学院 | A kind of full-automatic fire screen |
| CN206737775U (en) * | 2017-05-23 | 2017-12-12 | 河南辉达消防科技有限公司 | A kind of fire-retardant rolling screen door of NEW TYPE OF COMPOSITE fire-fighting |
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