CN113101567B - Hydrogen power system temperature rise monitoring device and method for hydrogen energy tramcar - Google Patents
Hydrogen power system temperature rise monitoring device and method for hydrogen energy tramcar Download PDFInfo
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- CN113101567B CN113101567B CN202110471612.9A CN202110471612A CN113101567B CN 113101567 B CN113101567 B CN 113101567B CN 202110471612 A CN202110471612 A CN 202110471612A CN 113101567 B CN113101567 B CN 113101567B
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- protective cover
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 149
- 239000001257 hydrogen Substances 0.000 title claims abstract description 149
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 149
- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 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 54
- 239000007921 spray Substances 0.000 claims abstract description 25
- 230000002159 abnormal effect Effects 0.000 claims abstract description 16
- 230000008602 contraction Effects 0.000 claims abstract description 3
- 238000012544 monitoring process Methods 0.000 claims description 20
- 238000005507 spraying Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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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
-
- 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
-
- 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 of a hydrogen power system of a hydrogen energy tramcar, which comprises a hydrogen power system protective cover assembly, a spray header, a suspender, an exhaust pipe, an exhaust fan and a temperature-sensing optical fiber, wherein the spray header is arranged on the hydrogen power system protective cover assembly; the exhaust pipe is horizontally fixed on the 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 assembly; after the trains are stopped at corresponding positions in the application warehouse, the protective cover assembly can realize vertical expansion and contraction, and the hydrogen power systems of the trains are covered to form independent spaces; the temperature sensing optical fiber is installed on the protective cover assembly, a plurality of spray heads and exhaust fans are installed in the exhaust pipe, when the temperature sensing optical fiber monitors abnormal temperature or open fire source, the exhaust pipe and the spray heads work simultaneously, perform cooling and fire extinguishing, and synchronously give out an alarm, so that the problems of temperature rise, spark generation and safety threat of the 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 flame source monitoring device and method for a hydrogen energy tramcar hydrogen power system based on a temperature sensing optical fiber.
Background
With the increasing maturity of hydrogen energy fuel cell technology, the technology has been applied to the field of trams. The hydrogen energy tramcar is a tramcar vehicle which adopts a hydrogen fuel cell as a power source and has the advantages of long endurance mileage, zero emission, no pollution, low noise, no net in the whole line and the like.
When a vehicle is parked and maintained in a vehicle section or a parking lot, the safety problem of hydrogen leakage can be related, after hydrogen leakage, once the hydrogen leakage is gathered, the hydrogen leakage is easy to explode when encountering open fire when the concentration is 4.1% -75%, the hazard is very serious, and the adverse factors severely restrict the design of a hydrogen energy tramcar storehouse, so that the development of the hydrogen energy tramcar technology is influenced.
At present, the monitoring equipment such as a warehouse top exhaust fan or a spraying system, an infrared flame detector and the like is only arranged by adopting the related design of a class A factory building aiming at the leakage and temperature monitoring in a warehouse of a hydrogen energy tramcar, but the measure has wide coverage, large engineering investment and no effective monitoring measure aiming at a single vehicle, so that besides the monitoring of the state of a warehouse, the temperature monitoring of the related equipment of a hydrogen power system of the vehicle is also necessary, the position of the vehicle can be definitely increased in the first time when the overtemperature phenomenon occurs in the hydrogen power system of the vehicle, and further measures are taken, so that the time is saved for eliminating potential safety hazards. Therefore, it is very necessary to develop a temperature and open fire source monitoring device for a hydrogen power system of a hydrogen energy tram.
Disclosure of Invention
Aiming at one or more of the defects or improvement demands of the prior art, the invention provides a temperature rise monitoring device and a temperature rise monitoring method for a hydrogen power system of a hydrogen energy tramcar, which can definitely raise the position of the vehicle at the first time and further take temperature reduction and fire extinguishing measures when an overtemperature phenomenon occurs in the hydrogen power system of the vehicle, 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 hydrogen power system temperature rise monitoring device for a hydrogen energy tramcar, comprising a hydrogen power system protective cover assembly, a shower head, a boom, an exhaust pipe, an exhaust fan and a temperature sensing optical fiber;
the exhaust pipe is horizontally fixed on the 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 assembly; after each train is stopped at a corresponding position in the warehouse, the protective cover assembly can realize vertical expansion and contraction, and the hydrogen power system of the train is covered to form an independent space;
the temperature sensing optical fiber is installed on the protective cover assembly, a plurality of spray heads and exhaust fans are installed in the exhaust pipe, when the temperature sensing optical fiber monitors abnormal temperature or open fire, the exhaust pipe and the spray heads work simultaneously, so that a hydrogen power system of a train is cooled and extinguished, an alarm is synchronously generated, and the problems of temperature rise, spark generation and safety threat of the hydrogen power system of a hydrogen energy tramcar are solved.
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 in sealing connection with the 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 invention, the temperature sensing optical fiber is annularly arranged on the inner wall of the protective cover.
As a further improvement of the invention, the spray header is arranged above the hydrogen power system of the train, communicated with the fire-fighting system in the warehouse and linked with the temperature sensing optical fiber.
As a further improvement of the invention, the exhaust fan is arranged at a position close to the air outlet in the exhaust pipe, 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 an alarm threshold.
As a further improvement of the invention, the dimensions of the protective cover are matched to the outer contour of the hydrogen power system of the train.
According to another aspect of the invention, a temperature rise monitoring method of a hydrogen power system of a hydrogen energy tram is provided, which is applicable to a temperature rise monitoring device of the hydrogen power system of the hydrogen energy tram, and comprises the following steps of;
after the train is stopped, an operator operates an operation button arranged beside a track in the warehouse to control the extension of the telescopic air pipe, and the protective cover descends 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;
the spray header arranged in the exhaust pipe above the hydrogen power system of the train is communicated with the fire-fighting system in the warehouse and is linked with the temperature sensing optical fiber, and once the temperature sensing optical fiber monitors that the temperature of the hydrogen power system exceeds a set threshold value, the spray header automatically starts spraying water to reduce the temperature of the hydrogen power system and extinguish open fire.
And the exhaust fan is arranged in the exhaust pipe and 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 air in the air pipe outdoors.
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.
In general, the above technical solutions conceived by the present invention have the following beneficial effects compared with the prior art:
(1) According to the temperature rise monitoring device of the hydrogen power system of the hydrogen energy tramcar, when the hydrogen energy tramcar is parked in a warehouse, the hydrogen power system is covered by adopting the automatically telescopic air pipe to form an independent space, then the temperature and the condition of an open flame source of the hydrogen power system are monitored in real time through the temperature sensing optical fiber, once the temperature sensing optical fiber monitors that the temperature of the hydrogen power system is abnormal or the sparks are generated, the spraying system automatically starts water spraying, the temperature is reduced or the open flame is extinguished, the exhaust fan automatically starts exhaust, and air in the air pipe is discharged outdoors, so that the problems of temperature rise, spark generation and safety threat of the hydrogen power system of the hydrogen energy tramcar are solved; the method can definitely raise the position of the vehicle at the first time when the overtemperature phenomenon occurs in the hydrogen power system of the vehicle and further take measures, so that the time is saved for eliminating potential safety hazards.
(2) According to the hydrogen power system monitoring method of the hydrogen energy tramcar, the temperature sensing optical fiber is linked with the protective cover, so that the temperature of the hydrogen power system of the train is monitored when the protective cover descends, the spray header, the exhaust fan and the temperature sensing optical fiber are linked, when the temperature sensing optical fiber monitors that the temperature exceeds a threshold value or sparks occur, the spraying cooling and the hydrogen removing operation can be simultaneously carried out on the hydrogen power system, a worker only needs to operate a button beside a track in a warehouse after the train is stopped to a corresponding position, the operation is convenient, the effective real-time monitoring on the state of the hydrogen power system of the vehicle is realized, and the hydrogen power system is automatically cooled when the temperature is abnormal.
Drawings
FIG. 1 is a front view of a temperature rise monitoring device of a hydrogen power system of a hydrogen energy tram according to an embodiment of the invention;
fig. 2 is a side view of a temperature rise monitoring device of a hydrogen power system of a hydrogen energy tram according to an embodiment of the invention.
Like reference numerals denote like technical features throughout the drawings, in particular: 1-protective cover, 2-telescopic air pipe, 3-spray header, 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
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The invention provides a temperature rise monitoring device and a monitoring method for a hydrogen power system of a hydrogen energy tramcar, which aim to solve the safety problem that open fire is easy to explode when a hydrogen energy tramcar is parked and maintained in a car section or a parking lot. FIG. 1 is a front view of a temperature rise monitoring device of a hydrogen power system of a hydrogen energy tram according to an embodiment of the invention; fig. 2 is a side view corresponding thereto. Referring to fig. 1 and 2, the temperature rise monitoring device of 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 a hydrogen power system monitoring system.
Specifically, the exhaust pipe 5 is horizontally fixed on a roof structure top beam 8 (on a beam plate structure in a vehicle section or a parking garage) through a plurality of hanging rods 4, one end of the exhaust pipe 5 is communicated with the outside, the port at the other end is fixedly connected with the protective cover assembly, and the port is preferably arranged at the bottom of the exhaust pipe; the protective cover assembly comprises a protective cover 1 and a telescopic air pipe 2, wherein the telescopic air pipe 2 is in sealing connection with a port of an exhaust pipe 5, the other end of the telescopic air pipe is fixedly connected with the protective cover 1 of the hydrogen power system of the train, and the protective cover 1 can be driven to vertically move up and down through the telescopic air pipe 2, so that after each train is stopped at the corresponding position in the warehouse, the protective cover is correspondingly locked with the hydrogen power system of the train.
The protective cover 1 is arranged at the position of a train parking track in a vehicle section or a parking garage, and is directly above the 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, so that sealing is realized.
The temperature sensing optical fiber 7 is installed on the protective cover 1 in a circumferential direction, the high-sensitivity temperature sensing optical fiber 7 is installed on the inner wall of the protective cover 1 in a circumferential direction, once the protective cover of the hydrogen power system of the train is operated to descend, the temperature sensing optical fiber monitors the temperature and the condition of an open fire source of the hydrogen power system in real time, the temperature sensing optical fiber built-in monitoring system is provided with an alarm threshold, and if the monitored temperature exceeds a threshold set value, temperature abnormality information is sent to the control system.
A plurality of spray heads 3 are arranged in an exhaust pipe 5 above a hydrogen power system 9 of the train, the spray heads 3 are communicated with a fire control system in a warehouse and are linked with a temperature sensing optical fiber 7, once the temperature sensing optical fiber 7 monitors that the hydrogen power system is abnormal in temperature or open fire is generated, the spray system automatically starts water spraying, and the temperature is reduced or spark is extinguished through water spraying of the spray heads, so that potential safety hazards are avoided; the position in exhaust pipe 5 near the air outlet is equipped with exhaust fan 6, and exhaust fan 6 and temperature sensing optic fibre 7 are linked, and in case temperature sensing optic fibre 7 monitors hydrogen power system temperature anomaly or has open flame to produce, exhaust fan automatic start is aired exhaust, discharges the interior gas of tuber pipe outdoors.
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 provided with the alarm threshold, and adopts common control logic to receive the temperature state information from the temperature sensing optical fiber 7, and the alarm information is generated when the temperature state information exceeds the temperature alarm value of the temperature sensing optical fiber.
According to the temperature-sensing optical fiber-based hydrogen power system temperature-rising monitoring device of the hydrogen energy tramcar, when the hydrogen energy tramcar is parked in a warehouse, an automatically telescopic air pipe is adopted to cover the hydrogen power system to form an independent space, then the temperature and the condition of an open fire source of the hydrogen power system are monitored in real time through the temperature-sensing optical fiber, once the temperature-sensing optical fiber monitors that the temperature of the hydrogen power system is abnormal or the hydrogen power system has sparks, the spraying system automatically starts water spraying, the temperature is reduced or the open fire is extinguished, the exhaust fan automatically starts exhaust, and gas in the air pipe is discharged outdoors. The method can definitely raise the position of the vehicle at the first time when the overtemperature phenomenon occurs in the hydrogen power system of the vehicle and further take measures, so that the time is saved for eliminating potential safety hazards.
The temperature-sensing optical fiber-based hydrogen power system temperature-rising monitoring device for the hydrogen energy tramcar can monitor and protect the state of a hydrogen power system of a single vehicle, so that on one hand, vehicles with abnormal temperature of the hydrogen power system can be quickly locked, explosion risks caused by high temperature or open flame of hydrogen are avoided, and the possibility of danger occurrence is greatly reduced; on the other hand, the method can avoid laying relevant monitoring sensors in a large area without targets in the warehouse, and saves engineering investment.
Further, the invention relates to a hydrogen power system monitoring method of a hydrogen energy tramcar based on a temperature sensing optical fiber, which specifically comprises the following steps:
(1) After the train is stopped, a train driver or an operator in the warehouse operates an operation button arranged beside a track in the warehouse to control the extension of the telescopic air pipe 2, and the protective cover 1 of the hydrogen power system of the train descends until the hydrogen power system 9 of the train 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 to descend, 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 header 3 arranged in the exhaust pipe 5 above the hydrogen power system of the train is communicated with the fire extinguishing system in the warehouse and is linked with the temperature sensing optical fiber 7, and once the temperature sensing optical fiber 7 monitors that the temperature of the hydrogen power system exceeds a set threshold value (the temperature is abnormal or open fire is generated), the spray header 3 automatically opens water spraying to reduce the temperature of the hydrogen power system until the open fire is extinguished.
(4) The exhaust fan 6 arranged in the exhaust pipe 5 is also in linkage with the temperature sensing optical fiber 7, and 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 opens the exhaust, and the air in the air pipe is exhausted outdoors.
Preferably, when the temperature sensing optical fiber 7 detects 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 out alarm information.
According to the hydrogen power system monitoring method of the hydrogen energy tramcar based on the temperature sensing optical fiber, the temperature sensing optical fiber is linked with the protective cover, so that the temperature of the hydrogen power system of the train is monitored when the protective cover descends, and the spray header, the exhaust fan and the temperature sensing optical fiber are linked, so that when the temperature sensing optical fiber monitors that the temperature exceeds a threshold value or sparks are generated, the hydrogen power system can be sprayed and cooled, air in an air pipe is discharged out of a warehouse, a worker only needs to operate a button beside a track in the warehouse after the train is stopped to a corresponding position, the operation is convenient, the effective real-time monitoring on the state of the hydrogen power system of the vehicle is realized, and the air can be automatically sprayed and cooled and discharged out of the warehouse in time when the temperature is abnormal.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The temperature rise monitoring device of the hydrogen power system of the hydrogen energy tramcar is characterized by comprising a hydrogen power system protective cover assembly, 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);
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 at the other end is fixedly connected with the protective cover assembly; a plurality of train parking tracks are arranged in the vehicle section or the parking lot, and each train corresponds to a hydrogen power system monitoring system; after the trains are stopped at corresponding positions in the application warehouse, the protective cover assembly can realize vertical expansion and contraction, and the hydrogen power system (9) of the trains is covered to form an independent space;
the temperature sensing optical fiber (7) is arranged on the protective cover assembly, the plurality of spray heads (3) and the exhaust fan (6) are arranged in the exhaust pipe (5), and when the temperature sensing optical fiber (7) monitors abnormal temperature or open fire, the exhaust pipe (5) and the spray heads (3) work simultaneously, so that a hydrogen power system (9) of a train is cooled and extinguished, and an alarm is synchronously generated;
the protective cover assembly comprises a protective 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 (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; the temperature sensing optical fiber (7) is circumferentially arranged on the inner wall of the protective cover (1); 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.
2. The hydrogen power system temperature rise monitoring device of the hydrogen energy tramcar according to claim 1, wherein the spray header (3) is arranged above the hydrogen power system (9) of the train, communicated with a fire protection system in a warehouse and linked with the temperature sensing optical fiber (7).
3. The temperature rise monitoring device of the hydrogen power system of the hydrogen energy tramcar according to claim 1 or 2, wherein the exhaust fan (6) is arranged at a position close to an air outlet in the exhaust pipe (5), and the exhaust fan (6) is linked with the temperature sensing optical fiber (7).
4. The hydrogen power system temperature rise monitoring device of the hydrogen energy tramcar according to claim 1 or 2, wherein 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 an alarm threshold value.
5. The hydrogen power system temperature rise monitoring device of a hydrogen energy tramcar according to claim 1 or 2, wherein the size of the protective cover (1) is matched with the outer contour of the hydrogen power system (9) of the train.
6. A method for monitoring a hydrogen power system of a hydrogen energy tram, which is suitable for the hydrogen power system temperature rise monitoring device of the hydrogen energy tram according to any one of claims 1-5, and is characterized by comprising the following steps of;
after the train is stopped, 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 protective cover (1) descends 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, and once the protective cover is operated to descend, the temperature sensing optical fiber (7) is automatically opened to monitor the temperature and the spark condition of the hydrogen power system in real time;
a spray header (3) arranged in an exhaust pipe above the hydrogen power system of the train is communicated with the fire-fighting system in the warehouse and is linked with the temperature sensing optical fiber (7), and once the temperature sensing optical fiber monitors that the temperature of the hydrogen power system exceeds a set threshold value, the spray header (3) automatically opens water spraying to reduce the temperature of the hydrogen power system until open fire is extinguished;
and the exhaust fan (6) is arranged in the exhaust pipe and 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 opens the exhaust to exhaust air and exhaust the air in the air pipe outdoors.
7. The hydrogen power system monitoring method of the hydrogen energy tramcar according to claim 6, wherein when the temperature sensing optical fiber (7) monitors that the temperature of the hydrogen power system is abnormal or spark is generated, the alarm device (8) generates alarm information.
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| CN202110471612.9A CN113101567B (en) | 2021-04-29 | 2021-04-29 | Hydrogen power system temperature rise monitoring device and method for hydrogen energy tramcar |
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