CN216061743U - Smoke and fire detection and fire extinguishing system linkage device and rail transit vehicle - Google Patents
Smoke and fire detection and fire extinguishing system linkage device and rail transit vehicle Download PDFInfo
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- CN216061743U CN216061743U CN202122492011.4U CN202122492011U CN216061743U CN 216061743 U CN216061743 U CN 216061743U CN 202122492011 U CN202122492011 U CN 202122492011U CN 216061743 U CN216061743 U CN 216061743U
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Abstract
The utility model belongs to the field of rail transit fire equipment, and provides a smoke and fire detection and fire extinguishing system linkage device and a rail transit vehicle. The device for linkage of the smoke and fire detection and fire extinguishing system comprises a controller, the smoke and fire detection system and the fire extinguishing system, wherein the smoke and fire detection system comprises a plurality of smoke detectors, each smoke detector is installed in each preset area, and the smoke detectors are communicated with each other through a ring network bus; each smoke detector is used for detecting a smoke signal in a corresponding preset area and transmitting the smoke signal to the controller; the controller is used for issuing a starting command to the fire extinguishing systems in the preset areas.
Description
Technical Field
The utility model belongs to the field of rail transit fire equipment, and particularly relates to a smoke and fire detection and fire extinguishing system linkage device and a rail transit vehicle.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The safe reliability of the rail transit vehicle operation is an important guarantee for the safety of passengers. In order to avoid on the track transportation vehicles conflagration take place the back can't in time put out, thereby the condition that the unable control of the intensity of a fire influences passenger's safety even takes place, smoke and fire detection system and fire extinguishing systems have all been installed on present track transportation vehicles, smoke and fire detection system and fire extinguishing systems all link to each other with the controller, utilize the controller to control the linkage between smoke and fire detection system and the fire extinguishing systems, when smoke and fire detection system detects the conflagration of taking place promptly, take place to the controller, start fire extinguishing systems by the controller and put out a fire.
However, the inventor has found that the existing device for detecting and extinguishing fire by combining the smoke and fire detection system has the following problems: because a fire may cause network communication failure, a fire alarm signal detected by the smoke and fire detection system cannot be transmitted, and the safety and reliability of the operation of the rail transit vehicle are affected.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the background art, the utility model provides a device for linkage of a smoke and fire detection and fire extinguishing system and a rail transit vehicle, which ensure that a fire alarm signal can be transmitted from the other side of a looped network after the looped network is disconnected at a certain position, and ensure the safety and reliability of the operation of the rail transit vehicle.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a device for linkage of a smoke and fire detection and fire extinguishing system, which comprises a controller, the smoke and fire detection system and the fire extinguishing system, wherein the smoke and fire detection system comprises a plurality of smoke detectors, each smoke detector is arranged in each preset area, and the smoke detectors are communicated with each other through a ring network bus; each smoke detector is used for detecting a smoke signal in a corresponding preset area and transmitting the smoke signal to the controller; the controller is used for issuing a starting command to the fire extinguishing systems in the preset areas.
In one embodiment, the fire suppression system includes a partition valve coupled to the water mist line, and the controller is coupled to the partition valve.
In one embodiment, the controller is coupled to the zone valves via a utility vehicle bus.
As an implementation mode, the fire extinguishing system further comprises a bottle group, a bottle head valve is arranged on the bottle group, and the controller is connected with the bottle head valve.
In one embodiment, the controller is coupled to the cylinder head valve via a utility vehicle bus.
As an implementation mode, the bottle group contains water and high-pressure nitrogen, and a liquid level sensor is arranged in the bottle group and used for detecting the liquid level information of the water in the bottle group and transmitting the liquid level information to the controller.
As one embodiment, the controller communicates with the train control and management system via a utility vehicle bus.
A second aspect of the utility model provides a rail transit vehicle having a pyrotechnic detection and fire suppression system linkage as described above mounted thereon.
As an implementation mode, the controller is further connected with an operation display screen, and the operation display screen is used for displaying corresponding fire alarm information and issuing corresponding instructions to the controller.
As an implementation mode, the controller is further connected with an alarm device, and the alarm device is used for alarming and reminding fire hazards.
Compared with the prior art, the utility model has the beneficial effects that:
the smoke and fire detection system in the smoke and fire detection and fire extinguishing system linkage device comprises a plurality of smoke detectors, each smoke detector is arranged in each preset area, the smoke detectors are communicated with each other through a ring network bus, and a bidirectional transmission structure of the ring network bus is utilized, so that a fire alarm signal can be transmitted from the other side of the ring network after a certain position of the ring network is disconnected, network communication failure cannot be caused, and the safety and reliability of the operation of rail transit vehicles are guaranteed.
Advantages of additional aspects of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic diagram of a pyrotechnic detection and fire suppression system linkage arrangement according to an embodiment of the present invention.
Detailed Description
The utility model is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Example one
Referring to fig. 1, the present embodiment provides a pyrotechnic detection and fire suppression system linkage apparatus including a controller, a pyrotechnic detection system, and a fire suppression system.
In the embodiment, the smoke and fire detection system comprises a plurality of smoke detectors, each smoke detector is installed in each preset area (such as areas which are easy to cause fire, such as a driver cab, a toilet, an electrical cabinet, a passenger room and the like), and the smoke detectors are communicated with each other through a ring network bus; each smoke detector is used for detecting a smoke signal in a corresponding preset area and transmitting the smoke signal to the controller; the controller is used for issuing a starting command to the fire extinguishing systems in the preset areas.
The smoke detector is also called as a smoke-sensitive fire detector, a smoke-sensitive probe and a smoke-sensitive sensor, is mainly applied to a fire-fighting system, and also has application in the construction of a security system. It is a typical equipment that turns from space fire protection to civil use. The smoke detector realizes fire prevention mainly by monitoring smoke concentration, the ion type smoke sensor is adopted in the smoke detector, the ion type smoke sensor is a sensor with advanced technology and stable and reliable work, is widely applied to various fire alarm systems, and has far better performance than a gas sensitive resistor type fire alarm.
The smoke detector realizes fire prevention mainly by monitoring smoke concentration, the ion type smoke sensor is adopted in the smoke detector, the ion type smoke sensor is a sensor with advanced technology and stable and reliable work, is widely applied to various fire alarm systems, and has far better performance than a gas sensitive resistor type fire alarm. The smoke detector has a radioactive source americium 241 in an inner ionization chamber and an outer ionization chamber, and positive ions and negative ions generated by ionization respectively move towards a positive electrode and a negative electrode under the action of an electric field. Under normal conditions, the current and voltage of the inner ionization chamber and the outer ionization chamber are stable. Once smoke escapes from the outer ionization chamber. The normal motion of charged particles is disturbed, the current and the voltage are changed to some extent, the balance between the inner ionization chamber and the outer ionization chamber is destroyed, and then the wireless transmitter sends out a wireless alarm signal to inform a remote receiving host machine and transmit the alarm information.
It can be understood here that the structure of the smoke detector belongs to the existing structure, and those skilled in the art can select the smoke detector product of the corresponding model according to the actual precision requirement.
The controller is also of an existing structure, and according to the connection relationship between the modules in the above-mentioned device for detecting smoke and fire and linking the fire extinguishing system, when the type of the controller is selected, the connection relationship between the controller and other modules is also known to those skilled in the art, and a specific circuit diagram is not given here.
The working principle of the device for linkage of the smoke detection and fire extinguishing system of the embodiment is as follows:
the smoke detectors are arranged in the preset areas, detect smoke signals in the corresponding preset areas and transmit the smoke signals to the controller; after the smoke signal is received by the controller, judging whether the smoke signal is a fire alarm signal according to a known program set in the smoke signal, if so, starting a starting command sent by the controller to the fire extinguishing systems in each preset area to start the fire extinguishing systems in each preset area to extinguish fire, thereby realizing the linkage of smoke and fire detection and the fire extinguishing systems;
when the smoke detectors at a certain position are disconnected due to the fact that the looped network is located at a certain position, due to the fact that the smoke detectors are communicated with each other through the looped network bus, the two-way transmission structure of the looped network bus is utilized, it is guaranteed that after the certain position of the looped network is disconnected, fire alarm signals can be transmitted from the other side of the looped network, network communication failure cannot be caused, and safety and reliability of operation of rail transit vehicles are finally guaranteed.
In a specific implementation process, the fire extinguishing system comprises a partition valve, the partition valve is connected with a water mist pipeline, and the controller is connected with the partition valve. For example: a partition valve is mounted on each car and thus is used to control the water spray for a single car.
The water mist pipeline is connected with the spray head, after the controller receives fire alarm information sent by the smoke detector, the controller is used for controlling the partition valve to open, and the partition valve controls the corresponding water mist pipeline to spray water mist from the spray head to extinguish the fire.
In one implementation, the controller is connected to the zone valves via a Multifunction Vehicle Bus (MVB).
It should be noted that in other embodiments, the controller may also be communicatively connected to the partition valve through other existing communication methods, which are not described herein again.
In one or more embodiments, the fire suppression system further comprises a cylinder group, a cylinder head valve is arranged on the cylinder group, and the controller is connected with the cylinder head valve.
Wherein the controller is connected to the cylinder head valve via a Multifunction Vehicle Bus (MVB).
It should be noted that, in other embodiments, the controller may also be communicatively connected to the cylinder head valve through other existing communication methods, which are not described herein again.
Specifically, the bottle group contains water and high-pressure nitrogen, and is provided with level sensor in the bottle group, level sensor is used for detecting the liquid level information of the water in the bottle group and conveys to the controller. Wherein, level sensor also is current structure, and the corresponding model can be selected according to actual precision demand to the skilled person in the art.
After the controller receives fire alarm information sent by the smoke detector, the controller is used for controlling the bottle head valve to be opened, and high-pressure nitrogen in the bottle group ejects water outwards.
When the fire disappears, the smoke detector gives an alarm and releases, and the controller can also send a bottle head valve closing instruction to the bottle head valve to close the bottle group to spray water. And meanwhile, the partition valve is closed, so that no water is continuously sprayed.
In one or more embodiments, the controller communicates with a Train Control and Management System (TCMS) via a Multifunction Vehicle Bus (MVB).
Example two
This embodiment provides a rail transit vehicle having a pyrotechnic detection and fire suppression system linkage device as described in the first embodiment above mounted thereon.
In one or more embodiments, the controller is further connected to an operation display screen, and the operation display screen is used for displaying corresponding fire alarm information and issuing a corresponding instruction to the controller.
The operation display screen is of an existing structure, such as a touch screen.
In one or more embodiments, the controller is further coupled to an alarm device (e.g., a buzzer, etc.) that is configured to alarm and alert of a fire hazard.
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 (10)
1. The utility model provides a device of firework detection and fire extinguishing systems linkage, includes controller, firework detection system and fire extinguishing systems, its characterized in that:
the smoke and fire detection system comprises a plurality of smoke detectors, each smoke detector is arranged in each preset area, and the smoke detectors are communicated with each other through a ring network bus; each smoke detector is used for detecting a smoke signal in a corresponding preset area and transmitting the smoke signal to the controller; the controller is used for issuing a starting command to the fire extinguishing systems in the preset areas.
2. The pyrotechnic detection and fire suppression system linkage assembly of claim 1 wherein the fire suppression system includes a partition valve, the partition valve being connected to the water mist line, the controller being connected to the partition valve.
3. The pyrotechnic detection and fire suppression system linkage assembly of claim 2 wherein the controller is connected to the zone valves via a utility vehicle bus.
4. The pyrotechnic detection and fire suppression system linkage assembly of claim 1 wherein the fire suppression system further comprises a cylinder block having a cylinder head valve disposed thereon, the controller being connected to the cylinder head valve.
5. The pyrotechnic detection and fire suppression system linkage assembly of claim 4 wherein the controller is connected to the cylinder head valve via a utility vehicle bus.
6. The pyrotechnic detection and fire suppression system linkage assembly of claim 4 wherein the cylinder assembly contains water and pressurized nitrogen and a level sensor is disposed within the cylinder assembly for detecting and communicating level information of the water within the cylinder assembly to the controller.
7. The pyrotechnic detection and fire suppression system linkage assembly of claim 1 wherein the controller is in communication with the train control and management system via a utility vehicle bus.
8. A rail transit vehicle carrying a device for the linkage of a smoke and fire detection and extinguishing system according to any one of claims 1 to 7.
9. The rail transit vehicle of claim 8, wherein the controller is further connected to an operation display screen for displaying corresponding fire alarm information and issuing corresponding instructions to the controller.
10. The rail transit vehicle of claim 8, wherein the controller is further coupled to an alarm device for alarming and alerting of a fire hazard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122492011.4U CN216061743U (en) | 2021-10-15 | 2021-10-15 | Smoke and fire detection and fire extinguishing system linkage device and rail transit vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122492011.4U CN216061743U (en) | 2021-10-15 | 2021-10-15 | Smoke and fire detection and fire extinguishing system linkage device and rail transit vehicle |
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| CN216061743U true CN216061743U (en) | 2022-03-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876277A (en) * | 2022-04-08 | 2022-08-09 | 中铁建网络信息科技有限公司 | Intelligent protection system |
| CN115414615A (en) * | 2022-10-08 | 2022-12-02 | 中车青岛四方机车车辆股份有限公司 | Fire disaster processing method, system, device, storage medium and train |
-
2021
- 2021-10-15 CN CN202122492011.4U patent/CN216061743U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876277A (en) * | 2022-04-08 | 2022-08-09 | 中铁建网络信息科技有限公司 | Intelligent protection system |
| CN115414615A (en) * | 2022-10-08 | 2022-12-02 | 中车青岛四方机车车辆股份有限公司 | Fire disaster processing method, system, device, storage medium and train |
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