CN113101567A - Temperature rise monitoring device and method for hydrogen power system of hydrogen energy tramcar - Google Patents
Temperature rise monitoring device and method for hydrogen power system of hydrogen energy tramcar Download PDFInfo
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- CN113101567A CN113101567A CN202110471612.9A CN202110471612A CN113101567A CN 113101567 A CN113101567 A CN 113101567A CN 202110471612 A CN202110471612 A CN 202110471612A CN 113101567 A CN113101567 A CN 113101567A
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 239000001257 hydrogen Substances 0.000 title claims abstract description 148
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 148
- 238000012806 monitoring device Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 14
- 239000013307 optical fiber Substances 0.000 claims abstract description 66
- 230000001681 protective effect Effects 0.000 claims abstract description 43
- 239000007921 spray Substances 0.000 claims abstract description 29
- 230000002159 abnormal effect Effects 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000006872 improvement Effects 0.000 description 9
- 238000005507 spraying Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
Abstract
The invention discloses a temperature rise monitoring device for a hydrogen power system of a hydrogen energy tramcar, which comprises a hydrogen power system protective cover assembly, a spray head, a suspender, an exhaust pipe, an exhaust fan and a temperature sensing optical fiber, wherein the temperature sensing optical fiber is arranged on the hydrogen power system protective cover assembly; the exhaust pipe is horizontally fixed on a roof structure top beam through a plurality of suspenders, one end of the exhaust pipe is communicated with the outside, and the port of the other end of the exhaust pipe is fixedly connected with the protective cover component; after each train is stopped stably at the corresponding position in the application warehouse, the protective cover assembly can vertically stretch out and draw back, and a train hydrogen power system is covered to form an independent space; the protection cover component is provided with a temperature sensing optical fiber, the exhaust pipe is internally provided with a plurality of spray heads and an exhaust fan, when the temperature sensing optical fiber monitors abnormal temperature or an open fire source, the exhaust pipe and the spray heads work simultaneously to cool and extinguish fire and synchronously give an alarm, so that the problems of temperature rise, spark generation and safety threat of a hydrogen power system of the hydrogen energy tramcar are solved.
Description
Technical Field
The invention belongs to the technical field of tramcar hydrogen power system monitoring, and particularly relates to a temperature and open fire source monitoring device and method for a tramcar hydrogen power system based on a temperature sensing optical fiber.
Background
With the increasing maturity of hydrogen energy fuel cell technology, the hydrogen energy fuel cell technology is applied to the field of tramcars at present. The hydrogen energy tramcar is a tramcar vehicle adopting a hydrogen fuel cell as a power source, and has the advantages of long endurance, zero emission, no pollution, low noise, no network in a whole line and the like.
When the vehicle is parked and maintained in a vehicle section or a parking lot, the safety problem of hydrogen leakage can be involved, once the hydrogen is leaked, once the hydrogen is gathered, the hydrogen is easy to explode when the concentration is 4.1% -75%, the harm is very serious, the adverse factor seriously restricts the design of a hydrogen energy tramcar storehouse, and further the development of the hydrogen energy tramcar technology is influenced.
At present, monitoring equipment such as a warehouse top exhaust fan or a spraying system, an infrared flame detector and the like is only arranged aiming at the warehouse leakage and temperature monitoring of the hydrogen energy tramcar by adopting the related design of a class A factory building, but the measures have wide coverage and large engineering investment, and effective monitoring measures are not provided aiming at a single vehicle, so that the monitoring of the state of the warehouse is realized, the temperature monitoring of related equipment facilities of a vehicle hydrogen power system is also necessary, the position of a temperature rising vehicle can be determined and further taken at the first time when the overtemperature phenomenon occurs in the vehicle hydrogen power system, and the time is saved for eliminating the potential safety hazard. Therefore, it is very necessary to develop a temperature and open fire source monitoring device for a hydrogen energy source tramcar hydrogen power system.
Disclosure of Invention
Aiming at one or more of the defects or the improvement requirements in the prior art, the invention provides the temperature rise monitoring device and method for the hydrogen power system of the hydrogen energy tramcar, which can be used for determining the position of a temperature-rising car at the first time and further taking temperature reduction and fire extinguishing measures when the temperature of the hydrogen power system of the car is over-temperature, so that the time is saved for eliminating potential safety hazards.
In order to achieve the above object, according to one aspect of the present invention, there is provided a temperature rise monitoring device for a hydrogen power system of a tramcar using hydrogen energy, comprising a hydrogen power system protective cover assembly, a spray header, a suspension rod, an exhaust pipe, an exhaust fan and a temperature-sensing optical fiber;
the exhaust pipe is horizontally fixed on a roof structure top beam through a plurality of suspenders, one end of the exhaust pipe is communicated with the outside, and the port of the other end of the exhaust pipe is fixedly connected with the protective cover component; after each train is stopped stably at the corresponding position in the garage, the protective cover assembly can stretch out and draw back vertically to cover the hydrogen power system of the train to form an independent space;
the protection cover component is provided with a temperature sensing optical fiber, the exhaust pipe is internally provided with a plurality of spray heads and an exhaust fan, when the temperature sensing optical fiber monitors abnormal temperature or open fire, the exhaust pipe and the spray heads work simultaneously, so that the hydrogen power system of the train is cooled and extinguished, and an alarm is generated synchronously, thereby solving the problems that the hydrogen power system of the tramcar with hydrogen energy rises in temperature, sparks are generated, and the safety of the hydrogen power system is threatened.
As a further improvement of the invention, the protective cover assembly comprises a protective cover and a telescopic air pipe, wherein the telescopic air pipe is hermetically connected with a port of the exhaust pipe, and the other end of the telescopic air pipe is fixedly connected with the protective cover of the hydrogen power system of the train.
As a further improvement of the present invention, the temperature sensing optical fiber is annularly disposed on an inner wall of the protective cover.
As a further improvement of the invention, the spray header is arranged above the train hydrogen power system, is communicated with a fire fighting system in the garage and is linked with the temperature sensing optical fiber.
As a further improvement of the invention, the exhaust fan is arranged in the exhaust pipe at a position close to the air outlet, and the exhaust fan is linked with the temperature sensing optical fiber.
As a further improvement of the invention, the roof structure top beam is also provided with an alarm device which is linked with a temperature sensing optical fiber provided with a warning threshold value.
As a further improvement of the invention, the size of the protective cover is matched with the outer contour of the train hydrogen power system.
According to another aspect of the invention, a temperature rise monitoring method for a hydrogen power system of a hydrogen energy tramcar is provided, which is suitable for a temperature rise monitoring device for the hydrogen power system of the hydrogen energy tramcar and comprises the following steps;
after the train is stopped stably, operating personnel operate an operating button arranged beside a track in the warehouse to control the extension of the telescopic air pipe and the descending of the protective cover until the hydrogen power system of the train is covered;
the temperature sensing optical fiber arranged on the inner wall of the protective cover is linked with the protective cover, and once the protective cover is operated to descend, the temperature sensing optical fiber is automatically opened to monitor the temperature and the spark condition of the hydrogen power system in real time;
and the spray head in the exhaust pipe above the train hydrogen power system is communicated with the fire-fighting system in the warehouse and is linked with the temperature-sensing optical fiber, and once the temperature of the hydrogen power system is monitored to exceed a set threshold value by the temperature-sensing optical fiber, the spray head is automatically opened to spray water, so that the temperature of the hydrogen power system is reduced and open fire is extinguished.
The exhaust fan arranged in the exhaust pipe is also linked with the temperature sensing optical fiber, and once the temperature sensing optical fiber monitors that the temperature of the hydrogen power system is abnormal or sparks are generated, the exhaust fan automatically starts to exhaust air and discharges the gas in the air pipe to the outside.
As a further improvement of the invention, when the temperature sensing optical fiber monitors that the temperature of the hydrogen power system is abnormal or sparks are generated, the alarm device generates alarm information.
Generally, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:
(1) the invention relates to a temperature rise monitoring device for a hydrogen power system of a hydrogen energy tramcar, which is used for covering the hydrogen power system by adopting an air pipe capable of automatically stretching when the hydrogen energy tramcar is parked in a garage to form an independent space, then monitoring the temperature and the open fire source condition of the hydrogen power system in real time through a temperature sensing optical fiber, automatically starting a spraying system to spray water once the temperature of the hydrogen power system is monitored by the temperature sensing optical fiber to be abnormal or sparks are generated, reducing the temperature or extinguishing the open fire, automatically starting an exhaust fan to exhaust air, and discharging the gas in the air pipe to the outside so as to solve the problems that the temperature of the hydrogen power system of the hydrogen energy tramcar rises, sparks are generated and the safety of the hydrogen power system is threatened; the method can be used for determining the position of the vehicle with temperature rise in the first time when the hydrogen power system of the vehicle generates an overtemperature phenomenon and further taking measures so as to save time for eliminating potential safety hazards.
(2) The monitoring method of the hydrogen power system of the tramcar with the hydrogen energy correspondingly comprises the steps of monitoring the temperature of the hydrogen power system of the train when the protective cover descends through linkage of the temperature sensing optical fiber and the protective cover, simultaneously carrying out spraying cooling and hydrogen gas removing operation on the hydrogen power system of the train when the temperature sensed by the temperature sensing optical fiber exceeds a threshold value or sparks are generated through linkage of the spray head and the exhaust fan, and operating a button beside a track in a warehouse only after the train stops stably to a corresponding position by a worker.
Drawings
FIG. 1 is a front view of a temperature rise monitoring device of a hydrogen energy tramcar hydrogen power system according to an embodiment of the invention;
fig. 2 is a side view of a temperature rise monitoring device of a hydrogen energy tramcar hydrogen power system according to an embodiment of the invention.
In all the figures, the same reference numerals denote the same features, in particular: 1-protective cover, 2-telescopic air pipe, 3-spray head, 4-suspender, 5-exhaust pipe, 6-exhaust fan, 7-temperature sensing optical fiber, 8-alarm device, 9-train hydrogen power system, 10-roof structure top beam.
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. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The invention provides a temperature rise monitoring device and a temperature rise monitoring method for a hydrogen power system of a hydrogen energy tramcar, and aims to solve the safety problem that when the hydrogen energy tramcar is parked and maintained in a vehicle section or a parking lot, hydrogen leaks and is easy to explode when exposed fire happens. FIG. 1 is a front view of a temperature rise monitoring device of a hydrogen energy tramcar hydrogen power system according to an embodiment of the invention; fig. 2 is a side view corresponding thereto. With reference to fig. 1 and 2, the temperature rise monitoring device for the hydrogen power system of the hydrogen energy tramcar comprises a protective cover 1, a telescopic air pipe 2, a spray header 3, a suspender 4, an exhaust pipe 5, an exhaust fan 6, a temperature sensing optical fiber 7 and an alarm device 8. A plurality of train parking tracks are arranged in the vehicle section or the parking lot, and each train corresponds to one hydrogen power system monitoring system.
Specifically, the exhaust pipe 5 is horizontally fixed on a roof structure top beam 8 (on a beam-slab structure in a vehicle section or a parking garage) through a plurality of suspenders 4, one end of the exhaust pipe 5 is communicated with the outside, and the port of the other end is fixedly connected with a protective cover assembly, and is preferably arranged at the bottom of the exhaust pipe; the protection cover assembly comprises a protection cover 1 and a telescopic air pipe 2, wherein the telescopic air pipe 2 is in sealing connection with a port of the exhaust pipe 5, the other end of the protection cover is fixedly connected with the protection cover 1 of the hydrogen power system of the train, and the protection cover 1 can be driven to vertically move up and down through the telescopic action of the telescopic air pipe 2, so that the protection cover and the hydrogen power system of the train are correspondingly locked after the corresponding position of each train in a warehouse is stable.
The protective cover 1 is arranged at the position of a train parking track in a vehicle section or a parking garage, right above a train hydrogen power system 7, and the size of the protective cover 1 is matched with the outer contour of the train hydrogen power system 7 to realize sealing.
The temperature sensing optical fiber 7 is annularly arranged on the protective cover 1, the temperature sensing optical fiber 7 with high sensitivity is annularly arranged on the inner wall of the protective cover 1, once the protective cover of the train hydrogen power system is operated to descend, the temperature sensing optical fiber monitors the temperature of the hydrogen power system and the condition of an open fire source in real time, the built-in monitoring system of the temperature sensing optical fiber is set with a warning threshold value, and if the monitored temperature exceeds the set value of the threshold value, temperature abnormal information is sent to the control system.
A plurality of spray heads 3 are arranged in an exhaust pipe 5 above a train hydrogen power system 9, the spray heads 3 are communicated with a fire fighting system in a warehouse and are linked with a temperature sensing optical fiber 7, once the temperature sensing optical fiber 7 monitors that the temperature of the hydrogen power system is abnormal or open fire is generated, the spray system automatically starts to spray water, the temperature is reduced or sparks are extinguished through the spray heads to avoid potential safety hazards; an exhaust fan 6 is arranged in the exhaust pipe 5 and close to the air outlet, the exhaust fan 6 is linked with a temperature sensing optical fiber 7, once the temperature sensing optical fiber 7 monitors that the temperature of the hydrogen power system is abnormal or open fire is generated, the exhaust fan automatically starts to exhaust air, and gas in the air pipe is discharged to the outside.
In addition, the roof structure top beam 10 is also provided with an alarm device 8 for outputting alarm information to the temperature state of the corresponding vehicle, the alarm device is linked with the temperature sensing optical fiber 7 with the alarm threshold value, and the common control logic is adopted to receive the temperature state information from the temperature sensing optical fiber 7 and generate the alarm information when the temperature state information exceeds the temperature alarm value of the temperature sensing optical fiber.
The invention relates to a temperature-sensing optical fiber-based hydrogen power system temperature-rise monitoring device for a hydrogen energy tramcar, which is characterized in that when a hydrogen energy tramcar is parked in a garage, an air pipe capable of automatically stretching is adopted to cover the hydrogen power system to form an independent space, then the temperature and the open fire source condition of the hydrogen power system are monitored in real time through the temperature-sensing optical fiber, once the temperature abnormality or the generation of sparks of the hydrogen power system is monitored by the temperature-sensing optical fiber, a spraying system is automatically started to spray water, the temperature is reduced or the open fire is extinguished, an exhaust fan is automatically started to exhaust air, and gas in the air pipe is discharged to the outside. The method can be used for determining the position of the vehicle with temperature rise in the first time when the hydrogen power system of the vehicle generates an overtemperature phenomenon and further taking measures so as to save time for eliminating potential safety hazards.
In addition, the temperature-sensing optical fiber-based hydrogen energy tramcar hydrogen power system temperature rise monitoring device carries out hydrogen power system state monitoring protection on a single vehicle, can quickly lock the hydrogen power system temperature abnormal vehicle on one hand, avoids explosion risks caused by high temperature or open fire of hydrogen, and greatly reduces the possibility of danger; on the other hand, the method can also avoid laying related monitoring sensors in a large area without targets in the warehouse, and save the engineering investment.
Further, the monitoring method of the hydrogen energy tramcar hydrogen power system based on the temperature sensing optical fiber, which is disclosed by the invention, specifically comprises the following steps:
(1) after the train stops stably, a train driver or an operator in the garage operates an operation button arranged beside a track in the garage to control the extension of the telescopic air pipe 2 and the descending of the protective cover 1 of the train hydrogen power system until the train hydrogen power system 9 is covered;
(2) the temperature sensing optical fiber 7 arranged on the inner wall of the protective cover 1 is linked with the protective cover 1, once the protective cover 1 is operated and descended, the temperature sensing optical fiber 7 is automatically opened, and the temperature and the spark condition of the hydrogen power system are monitored in real time;
(3) the spray head 3 arranged in the exhaust pipe 5 above the train hydrogen power system is communicated with the fire-fighting system in the warehouse and is linked with the temperature sensing optical fiber 7, once the temperature sensing optical fiber 7 monitors that the temperature of the hydrogen power system exceeds a set threshold (abnormal temperature or open fire is generated), the spray head 3 automatically starts to spray water, and the temperature of the hydrogen power system is reduced until the open fire is extinguished.
(4) The exhaust fan 6 arranged in the exhaust pipe 5 is also linked with the temperature sensing optical fiber 7, once the temperature sensing optical fiber 7 monitors that the temperature of the hydrogen power system is abnormal or sparks are generated, the exhaust fan 6 automatically starts to exhaust air, and gas in the air pipe is discharged to the outside.
Preferably, when the temperature sensing optical fiber 7 monitors that the temperature of the hydrogen power system is abnormal or sparks are generated, the alarm device 8 synchronously receives an alarm instruction from the control system and sends alarm information.
The monitoring method of the hydrogen energy tramcar hydrogen power system based on the temperature sensing optical fiber is characterized in that the temperature sensing optical fiber is linked with the protective cover, so that the temperature of the train hydrogen power system is monitored when the protective cover descends, the spray head and the exhaust fan are linked with the temperature sensing optical fiber, when the temperature sensed by the temperature sensing optical fiber exceeds a threshold value or sparks are generated, the hydrogen power system is sprayed and cooled and gas in the air pipe is exhausted out of the tramcar, a worker only needs to operate a button beside the tramcar after the train stops stably to a corresponding position, the operation is convenient, the state of the train hydrogen power system is effectively monitored in real time, and the temperature is automatically sprayed and cooled and the gas is exhausted out of the tramcar in time when the temperature is abnormal.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A temperature rise monitoring device for a hydrogen power system of a hydrogen energy tramcar is characterized by comprising a hydrogen power system protective cover assembly, a spray head (3), a suspender (4), an exhaust pipe (5), an exhaust fan (6), a temperature sensing optical fiber (7) and an alarm device (8);
the exhaust pipe (5) is horizontally fixed on a roof structure top beam (10) through a plurality of hanging rods (4), one end of the exhaust pipe (5) is communicated with the outside, and the port of the other end of the exhaust pipe is fixedly connected with the protective cover component; after each train is stopped stably at the corresponding position in the application warehouse, the protective cover assembly can vertically stretch out and draw back, and a train hydrogen power system (9) is covered to form an independent space;
install temperature sensing optical fiber (7) on the protection casing subassembly, install a plurality of shower heads (3) and exhaust fan (6) in exhaust pipe (5), work as temperature sensing optical fiber (7) are monitored the temperature unusual or when naked light, exhaust pipe (5) and shower head (3) simultaneous working to cool down to put out a fire and take place the warning in step to train hydrogen driving system (9).
2. The device for monitoring the temperature rise of the hydrogen power system of the hydrogen energy tram according to claim 1, wherein the protective cover assembly comprises a protective cover (1) and a telescopic air pipe (2), wherein the telescopic air pipe (2) is hermetically connected with a port of the exhaust pipe (6), and the other end of the telescopic air pipe is fixedly connected with the protective cover (1) of the hydrogen power system of the train.
3. The device for monitoring the temperature rise of the hydrogen power system of the hydrogen energy tramcar according to claim 2, wherein the temperature sensing optical fiber (7) is annularly arranged on the inner wall of the protective cover (1).
4. The device for monitoring the temperature rise of the hydrogen power system of the tram as per any one of claims 1-3, wherein the spray head (3) is arranged above the train hydrogen power system (9), is communicated with a fire fighting system in a garage, and is linked with the temperature sensing optical fiber (7).
5. The device for monitoring the temperature rise of the hydrogen power system of the hydrogen energy tramcar according to claim 4, wherein the exhaust fan (6) is arranged in the exhaust duct (5) at a position close to the air outlet, and the exhaust fan (6) is linked with the temperature-sensing optical fiber (7).
6. The device for monitoring the temperature rise of the hydrogen power system of the hydrogen energy tram according to claim 1 or 5, characterized in that an alarm device (8) is further arranged on the roof structure top beam (10), and the alarm device is linked with a temperature sensing optical fiber (7) provided with a warning threshold value.
7. The hydrogen energy tram hydrogen power system temperature rise monitoring device according to claim 6, the protective cover (1) being sized to match the outer contour of the train hydrogen power system (7).
8. A monitoring method of a hydrogen power system of a hydrogen energy tramcar is suitable for the temperature rise monitoring device of the hydrogen power system of the hydrogen energy tramcar as claimed in any one of claims 1 to 7, and is characterized by comprising the following steps;
after the train is stopped stably, an operator operates an operation button arranged beside a track in the warehouse to control the extension of the telescopic air pipe (2) and the descending of the protective cover (1) until the hydrogen power system (9) of the train is covered;
the temperature sensing optical fiber (7) arranged on the inner wall of the protective cover (1) is linked with the protective cover, once the protective cover is operated to descend, the temperature sensing optical fiber (7) is automatically opened, and the temperature and spark condition of the hydrogen power system are monitored in real time;
the spray head (3) arranged in the exhaust pipe above the train hydrogen power system is communicated with the fire-fighting system in the warehouse and is linked with the temperature sensing optical fiber (7), once the temperature of the hydrogen power system is monitored by the temperature sensing optical fiber to exceed a set threshold, the spray head (3) automatically starts to spray water, and the temperature of the hydrogen power system is reduced until open fire is extinguished.
And the exhaust fan (6) arranged in the exhaust pipe is also linked with the temperature sensing optical fiber (7), and once the temperature sensing optical fiber monitors that the temperature of the hydrogen power system is abnormal or sparks are generated, the exhaust fan (6) automatically starts to exhaust air and discharges the gas in the air pipe to the outside.
9. The method for monitoring the temperature rise of the hydrogen power system of the tramcar as claimed in claim 8, wherein when the temperature sensing optical fiber (7) monitors that the temperature of the hydrogen power system is abnormal or sparks are generated, the alarm device (8) generates alarm information.
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| DE10392254T5 (en) * | 2002-02-11 | 2005-03-10 | Autoliv ASP, Inc., Ogden | Modular fire detection and fire extinguishing system |
| CN103480101A (en) * | 2013-05-29 | 2014-01-01 | 陈国清 | Motor-vehicle tire low-carbon environment-friendly covering suffocation fire extinguisher and (motor vehicle) covering suffocation fire-extinguishing machine |
| CN107449866A (en) * | 2017-08-11 | 2017-12-08 | 中国汽车技术研究中心 | A kind of hydrogen gas detector of fuel cell car |
| CN210521585U (en) * | 2019-05-16 | 2020-05-15 | 上海蔚来汽车有限公司 | Fire-fighting system for charging and replacing power station and charging and replacing power station comprising same |
| CN211215122U (en) * | 2019-10-14 | 2020-08-11 | 四川轻化工大学 | Umbrella-shaped water mist fire extinguishing and smoking equipment for quickly moving tunnel fire |
| CN210963642U (en) * | 2019-10-18 | 2020-07-10 | 荣杰 | Fire extinguishing cover |
| CN111672039A (en) * | 2020-03-20 | 2020-09-18 | 福建威享氢能科技有限公司 | Fire extinguishing cover for automobile |
| CN111622547A (en) * | 2020-04-08 | 2020-09-04 | 安徽枫雅轩科技信息服务有限公司 | Closed safety device that charges of electric bicycle |
| CN213049087U (en) * | 2020-06-22 | 2021-04-27 | 广州汽车集团股份有限公司 | Vehicle emergency rescue device |
| CN215136228U (en) * | 2021-04-29 | 2021-12-14 | 中铁第四勘察设计院集团有限公司 | Hydrogen energy tram hydrogen power system intensification monitoring devices |
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