CN111688728A - Fire partition device of cab - Google Patents
Fire partition device of cab Download PDFInfo
- Publication number
- CN111688728A CN111688728A CN202010517198.6A CN202010517198A CN111688728A CN 111688728 A CN111688728 A CN 111688728A CN 202010517198 A CN202010517198 A CN 202010517198A CN 111688728 A CN111688728 A CN 111688728A
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- CN
- China
- Prior art keywords
- air
- fire
- partition door
- partition
- air supply
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
- B61C17/04—Arrangement or disposition of driving cabins, footplates or engine rooms; Ventilation thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/06—End walls
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
Abstract
The invention discloses a fire partition device of a cab, which comprises an air supply outlet partition door, an air return inlet partition door, a fire sensor and a control system, wherein the air supply outlet partition door is arranged on the rear side of the cab; fire sensors are arranged in the air supply outlet and the air return outlet and are connected with the control system; when the two fire sensors do not detect fire, the air supply outlet partition door is positioned at the position where the air supply outlet is not blocked, and the air return inlet partition door is positioned at the position where the air return inlet is not blocked; when at least one fire sensor detects a fire, the control system controls the air supply outlet partition door to slide to the position blocking the air supply outlet and controls the air return inlet partition door to slide to the position blocking the air return inlet. When a fire disaster happens to the side of the machinery room and spreads to the end wall, the fire-proof partition device can effectively cut off a connecting channel between the cab and the outside, so that fire disaster isolation is realized, the risk of fire disaster spreading is effectively reduced, and the driving safety is improved.
Description
Technical Field
The invention relates to a fireproof partition device of a cab, and belongs to the technical field of fireproof of cabs of rail vehicles.
Background
The rail transit electric locomotive has extremely high requirements on fire prevention, and the cab can effectively prevent a fire from spreading into a cab under the fire condition, and simultaneously reduces the harm of the fire to human bodies as much as possible. The driver's cab is a main area for daily operations and activities of drivers and passengers, and an air conditioner is generally provided in a working environment providing comfort to the drivers. The main machine of the existing air conditioner is generally arranged outside a cab (usually located in a machinery room), and an air conditioner air duct mounting hole is formed in a vehicle body end wall, so that an air supply air duct and a return air duct of the air conditioner can be connected with an air duct inside the cab, and air supply and return circulation of the air conditioner is realized. The cab headwall must have certain fire protection performance as the last barrier of protection driver under the conflagration condition, in case the locomotive vehicle breaks out a fire, can protect relevant staff to avoid injuring.
However, the existing locomotive only considers the arrangement of air-conditioning air supply and return channels on the end wall, and does not consider the protection control and fire prevention design requirements of the air-conditioning ventilation air duct opening arranged on the fire partition under the fire condition. The design method of the air conditioner ventilation in the cab has the defects of fire prevention and has certain safety risks. When an external fire spreads to the partition of the cab end wall, the opening of the air conditioning duct in the partition area becomes a passage for the external fire to enter the cab, and meanwhile, dense smoke and toxic smoke generated by the fire can diffuse into the cab through the opening of the partition wall, so that the safety of vehicle-mounted personnel and the normal operation (parking) of rolling stock are endangered.
Disclosure of Invention
In order to effectively cut off a connecting channel between a cab and the outside and improve driving safety in case of fire, the invention provides a fire partition device of the cab, and the specific technical scheme is as follows.
A fire partition device of a cab is characterized in that an air supply outlet and an air return inlet are formed in a headwall of the cab; the fireproof partition device is characterized by comprising an air supply outlet partition door, a return air inlet partition door, a fire sensor and a control system, wherein the air supply outlet partition door and the return air inlet partition door are arranged on the end wall in a sliding manner; the fire sensor is arranged in each of the air supply outlet and the air return outlet and is connected with the control system; when the two fire sensors do not detect fire, the air supply outlet partition door is positioned at the position where the air supply outlet is not blocked, and the air return inlet partition door is positioned at the position where the air return inlet is not blocked; when at least one fire sensor detects a fire, the control system controls the air supply outlet partition door to slide to the position blocking the air supply outlet and controls the air return inlet partition door to slide to the position blocking the air return inlet.
By adopting the technical scheme, when a fire disaster happens between machines behind the cab, high-temperature smoke can enter the cab through the air supply opening and/or the air return opening, the fire sensors in the air supply opening and the air return opening send out fire disaster signals, and the controller receives the signals and then controls the air supply opening partition door and the air return opening partition door to respectively block and cover the air supply opening and the air return opening, so that a connecting channel between the cab and the machines can be effectively cut off, the fire disaster isolation is realized, safe operation space and time are provided for the driver to deal with starting and stopping of the vehicle, and the driving safety is improved. According to the scheme, the air-conditioning ventilation duct of the cab is skillfully utilized to detect the occurrence of fire, and the safety of the cab is ensured by cutting off the ventilation duct to enable the cab headwall to become a barrier for blocking the fire.
Further, the fire sensor is a temperature sensor and/or a smoke sensor. Whether a fire occurs is judged by detecting temperature and/or smoke separately or simultaneously.
Furthermore, the end wall is provided with a groove for accommodating the air supply outlet partition door and the air return inlet partition door, and the end wall is also provided with a guide rail for guiding the air supply outlet partition door and the air return inlet partition door. The groove can ensure that the air inlet partition door and the air return inlet partition door do not protrude out of the surface of the end wall, and is favorable for saving the installation space; the guide rail can ensure that the air inlet partition door and the air return inlet partition door can stably slide to the positions blocking the air supply outlet and the air return inlet.
Furthermore, the air supply opening partition door and the air return opening partition door realize sliding motion along the guide rail through a driving mechanism, and the driving mechanism is a gear rack mechanism or an air cylinder and the like.
Further, when two fire sensors all do not detect the conflagration, the supply-air outlet cuts off the door and is located the supply-air outlet top, the return-air inlet cuts off the door and is located the return-air inlet top.
Further, the cross-section of guide rail is the L type, supply-air outlet cuts off door and return air inlet and cuts off the both sides of door and have L type guide board, the guide rail with L type guide board overlap joint each other.
Furthermore, the end part of the L-shaped guide plate is provided with a sealing strip which is abutted against the guide rail; the bottom of the air supply opening partition door and the bottom of the air return opening partition door are provided with L-shaped sealing plates, and sealing strips are arranged at the end parts of the L-shaped sealing plates. The sealing strip is usually made of rubber, the sealing strip is favorable for preventing smoke from entering a cab, the L-shaped guide plate and the L-shaped guide rail can form a complex channel, the sealing strip is prevented from being damaged by high-temperature smoke, and the sealing effect is further improved.
Furthermore, the air supply outlet partition door and the air return inlet partition door are made of metal, the outer surface of the air supply outlet partition door is provided with a fireproof flame-retardant layer, and the inner surface of the air supply outlet partition door is provided with a heat insulation layer. The inner part and the outer part are relative to the inner part and the outer part of the cab, wherein the fireproof flame-retardant layer can adopt fireproof flame-retardant coating to prevent fire from spreading to a headwall, and the heat insulation layer can adopt ceramic fiber cotton material to play a role in heat insulation.
Furthermore, the fire-proof partition device also comprises an alarm mechanism and a display mechanism, wherein the alarm mechanism and the display mechanism are both connected with the control system. When the fire sensor detects a fire, the fire sensor transmits a signal to the control system, and the control system prompts workers through the alarm mechanism and the display mechanism.
The present invention has the following advantageous effects.
The cab fireproof partition device can be provided with the fire detector through the air supply outlet and the air return inlet on the headwall, can monitor the fire condition state of the ventilation opening of the headwall in real time, and starts the air supply outlet partition door and the air return inlet partition door according to the threshold value of the preset sensor;
the side surfaces and the bottoms of the air supply opening partition door and the air return opening partition door are provided with sealing strips, so that the ventilation opening can be effectively and fully covered and sealed;
the body of the air supply opening partition door and the air return opening partition door are made of steel plates or aluminum plates, so that sufficient structural strength is ensured, the fire-receiving surface is made of fireproof coating, the back fire surface is provided with ceramic fiber cotton, and after the air supply opening partition door and the air return opening partition door are activated, a fire can be prevented from spreading to the interior of the cab through a vent of the cab end wall, so that the integrity and heat insulation requirements of the cab end wall under the fire condition are ensured;
the air supply opening partition door and the air return opening partition door can realize an active/passive fire prevention function, can be actively started by a driver, and can also realize the fire prevention partition function passively according to a preset fire sensor activation threshold value.
Drawings
FIG. 1 is a schematic exterior surface view of a headwall;
FIG. 2 is a schematic view of a fire partition of the present invention (when no fire is occurring);
FIG. 3 is a schematic elevation of a headwall (when not in fire);
FIG. 4 is a schematic cross-sectional view of a headwall;
FIG. 5 is an enlarged schematic view of area A of FIG. 4;
FIG. 6 is a side schematic view of a supply air outlet partition door;
FIG. 7 is a schematic view of a fire partition of the present invention (in the event of a fire);
FIG. 8 is a schematic elevation of a headwall (in the event of a fire);
FIG. 9 is a schematic diagram of a method of automatic control;
fig. 10 is a schematic diagram of a method of manual control.
In the figure: the fire-resistant fire-retardant air-proof device comprises a driver cab 1, a headwall 2, an air supply outlet 3, an air return inlet 4, a driver cab air conditioner 5.
Detailed Description
The present invention is described in further detail below with reference to the attached drawing figures.
Referring to fig. 1-3, a cab air conditioner 5 is installed in a mechanical room, the air conditioner circulates in a ventilation mode, air is sucked from the top, air is supplied from the lower portion, the air conditioner is connected with an end wall 2 of the cab 1 through a lower air supply duct, a penetrating air supply opening 3 is formed in the end wall 2, and an air supply duct is correspondingly arranged in the cab 1; the middle area of the end wall 2 is provided with a through air return opening 4, the inner surface of the end wall 2 is provided with an air return grid 6, and ventilation circulation in a driver's cab can be realized through the air supply opening 3 and the air return opening 4.
Referring to fig. 1-8, the fire-proof partition device of the cab 1 comprises an air supply opening partition door 7, an air return opening partition door 8, a fire sensor 9 and a control system (not shown), wherein the air supply opening partition door 7 and the air return opening partition door 8 are slidably arranged on the headwall 2; fire sensors 9 are arranged in the air supply outlet 3 and the air return inlet 4, and the fire sensors 9 are connected with a control system; when the two fire sensors 9 do not detect fire, the air supply outlet partition door 7 is positioned at the position where the air supply outlet 3 is not blocked, and the air return inlet partition door 8 is positioned at the position where the air return inlet 4 is not blocked; when at least one fire sensor 9 detects a fire, the control system controls the air supply outlet partition door 7 to slide to the position blocking the air supply outlet 3 and controls the air return inlet partition door 8 to slide to the position blocking the air return inlet 4. The fire-proof partition device also comprises an alarm mechanism (not shown) and a display mechanism (not shown), wherein the alarm mechanism and the display mechanism are both connected with the control system, when the fire sensor detects a fire, the signal is transmitted to the control system, and the control system prompts workers through the alarm mechanism and the display mechanism.
The fire sensor 9 is a temperature sensor and/or a smoke sensor, and determines whether a fire occurs by detecting temperature and/or smoke individually or simultaneously. When the two fire sensors 9 do not detect fire, the air supply outlet partition door 7 is positioned above the air supply outlet 3, and the air return inlet partition door 8 is positioned above the air return inlet 4, so that the air supply outlet 3 and the air return inlet 4 are kept in an unblocked state. The description is as follows: the air supply opening partition door 7 and the air return opening partition door 8 can also be arranged on other positions of the air supply opening 3 and the air return opening 4, such as the left side or the right side.
Referring to fig. 4-6, the end wall 2 is provided with a groove 10 for accommodating the air supply opening partition door 7 and the return air opening partition door 8, the end wall 2 is also provided with a guide rail 11 for guiding the air supply opening partition door 7 and the return air opening partition door 8, the section of the guide rail 11 is L-shaped, two sides of the air supply opening partition door 7 and the return air opening partition door 8 are provided with L-shaped guide plates 12, and the guide rail 11 and the L-shaped guide plates 12 are mutually overlapped; the supply-air-port partition door 7 and the return-air-port partition door 8 are slidably moved along the guide rail 11 by a drive mechanism (not shown) such as a rack-and-pinion mechanism or an air cylinder. The groove 10 is beneficial to saving the installation space, and the guide rail 11 can ensure that the air supply opening partition door 7 and the air return opening partition door 8 can stably slide to the positions blocking the air supply opening 3 and the air return opening 4.
As shown in fig. 5-6, the end of the L-shaped guide plate 12 is provided with a sealing strip 13, and the sealing strip 13 abuts against the guide rail 11; the bottoms of the air supply opening partition door 7 and the air return opening partition door 8 are provided with L-shaped sealing plates 14, and the end parts of the L-shaped sealing plates 14 are provided with sealing strips 13. The L-shaped guide plate 12 and the L-shaped guide rail 11 can form a complex air channel, high-temperature smoke is prevented from directly contacting the sealing strip and damaging the sealing strip, the sealing strip 13 is made of rubber, and the sealing strip 13 is favorable for preventing the smoke from entering the cab 1.
As shown in fig. 5, the supply-air outlet partition door 7 and the return-air inlet partition door 8 are made of metal, and may be made of a carbon steel plate having a thickness of not less than 2mm or an aluminum plate having a thickness of 5mm, and have a fireproof flame-retardant layer 15 on an outer surface thereof and a heat-insulating layer 16 on an inner surface thereof. The fireproof flame-retardant layer 15 can be made of fireproof flame-retardant coating to prevent fire from spreading to the end wall, and the heat-insulating layer 16 can be made of ceramic fiber cotton material with the thickness not less than 10mm, so that the requirements of 15min fireproof partition integrity and 15min heat insulation can be met.
The air supply outlet partition door 7 and the air return inlet partition door 8.
Referring to fig. 9, when a fire disaster in an external machine room spreads to a partition wall 2, the temperature or smoke concentration in a vent (an air supply opening 3 and a return air opening 4) reaches a preset alarm threshold, a control system activates fire prevention operation, and an air supply opening partition door 7 and a return air opening partition door 8 simultaneously move downwards along a guide rail 11 on an end wall 2 until an L-shaped sealing plate 14 at the lower part of the air supply opening partition door 7 and the lower part of the return air opening partition door 8 are completely attached to the end wall, so that the complete partition of the vent is realized, and the fire disaster cannot enter a driver cab 1 through an opening in the end wall 2. Meanwhile, the control system also transmits fire information to an alarm mechanism (a buzzer) and a display mechanism to remind a driver to carry out fire emergency operation treatment, so that the safety of drivers and passengers is ensured.
Referring to fig. 10, when a potential fire occurs outside the mechanical room (e.g., smoke), a driver can determine whether to actively isolate the ventilation opening by observing the outside conditions of the mechanical room; if measures are needed, the control switch of the fireproof partition in the cab can be operated, the control system pushes the air supply outlet partition door 7 and the air return inlet partition door 8 to close the ventilation opening of the cab end wall, partition of the ventilation opening is actively completed, and the fireproof partition function is achieved.
The embodiments of the present invention are described above with reference to the drawings, and the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention is not limited to the above-described embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A fire partition device of a cab is characterized in that an air supply outlet (3) and an air return inlet (4) are arranged on a headwall (2) of the cab (1); the fireproof partition device is characterized by comprising an air supply outlet partition door (7), an air return inlet partition door (8), a fire sensor and a control system, wherein the air supply outlet partition door (7) and the air return inlet partition door (8) are arranged on the end wall in a sliding manner; the fire sensor (9) is arranged in each of the air supply outlet (3) and the air return inlet (4), and the fire sensor (9) is connected with the control system; when the two fire sensors (9) do not detect fire, the air supply outlet partition door (7) is positioned at the position where the air supply outlet (3) is not blocked, and the air return inlet partition door (8) is positioned at the position where the air return inlet (4) is not blocked; when at least one fire sensor (9) detects a fire, the control system controls the air supply outlet partition door (7) to slide to the position blocking the air supply outlet (3) and controls the air return inlet partition door (8) to slide to the position blocking the air return inlet (4).
2. A fire partition for a cab according to claim 1, characterised in that the fire sensor (9) is a temperature sensor and/or a smoke sensor.
3. A fire partition device for cab according to claim 1, wherein the end wall has a recess (10) for receiving the supply-air outlet partition door (7) and the return-air inlet partition door (8), and the end wall further has a guide rail (11) for guiding the supply-air outlet partition door (7) and the return-air inlet partition door (8).
4. A fire partition device for cab according to claim 3, wherein the air supply opening partition door (7) and the air return opening partition door (8) are slidably moved along the guide rail (11) by a driving mechanism, such as a rack and pinion mechanism or an air cylinder.
5. A fire partition device for driver's cab according to claim 4, wherein when neither of said fire sensors (9) detects a fire, said supply-air-outlet partition door (7) is located above said supply-air outlet (3), and said return-air-inlet partition door (8) is located above said return-air inlet (4).
6. The fire partition device of the cab according to claim 5, wherein the cross section of the guide rail (11) is L-shaped, L-shaped guide plates (12) are arranged on two sides of the supply-air outlet partition door (7) and the return-air inlet partition door (8), and the guide rail (11) and the L-shaped guide plates (12) are overlapped with each other.
7. A fire partition device for cab according to claim 6, wherein the end of the L-shaped guide plate (12) is provided with a sealing strip (13), and the sealing strip (13) abuts against the guide rail (11); the bottom of the air supply outlet partition door (7) and the bottom of the air return inlet partition door (8) are provided with L-shaped sealing plates (14), and the end parts of the L-shaped sealing plates (14) are provided with sealing strips (13).
8. The fire partition device of the cab according to claim 1, wherein the supply-air outlet partition door (7) and the return-air inlet partition door (8) are made of metal, and have a fire-retardant layer (15) on the outer surface thereof and a thermal insulation layer (16) on the inner surface thereof.
9. The fire partition device of the cab according to claim 1, further comprising an alarm mechanism and a display mechanism, wherein the alarm mechanism and the display mechanism are both connected to the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010517198.6A CN111688728B (en) | 2020-06-09 | 2020-06-09 | Fire partition device of cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010517198.6A CN111688728B (en) | 2020-06-09 | 2020-06-09 | Fire partition device of cab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111688728A true CN111688728A (en) | 2020-09-22 |
| CN111688728B CN111688728B (en) | 2021-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010517198.6A Active CN111688728B (en) | 2020-06-09 | 2020-06-09 | Fire partition device of cab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111688728B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0367883A1 (en) * | 1988-11-09 | 1990-05-16 | Effertz Tore GmbH | Railway wagon for the transport of vehicles |
| CN1270139A (en) * | 1999-04-12 | 2000-10-18 | 因温特奥股份公司 | Fireproof elevator door |
| DE10055214C1 (en) * | 2000-11-07 | 2002-02-14 | Theo Schroeders | Smoke-protection sliding door has sealing profile sections, where at least one fits against contact face on wall or door panel having higher Shore hardness than sealing profile |
| CN102874264A (en) * | 2012-10-31 | 2013-01-16 | 株洲南车时代电气股份有限公司 | Ventilation device for bullet train |
| CN202828084U (en) * | 2012-08-06 | 2013-03-27 | 芜湖新联造船有限公司 | Marine air-conditioning return air duct layout structure |
| CN105298350A (en) * | 2015-09-21 | 2016-02-03 | 南车株洲电力机车有限公司 | Fireproof roll screen and railway vehicle fireproof roll screen structure |
| CN205743587U (en) * | 2016-07-05 | 2016-11-30 | 宁波天一消防器材有限公司 | A kind of energy-saving type self-closing fire window |
| CN206163652U (en) * | 2016-10-18 | 2017-05-10 | 天津国安盟固利新能源有限公司 | One -way circular wind channel battery box ventilation system and entire vehicle control system |
| CN206493947U (en) * | 2016-10-10 | 2017-09-15 | 中车长春轨道客车股份有限公司 | Drivers' cab fire prevention partition |
-
2020
- 2020-06-09 CN CN202010517198.6A patent/CN111688728B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0367883A1 (en) * | 1988-11-09 | 1990-05-16 | Effertz Tore GmbH | Railway wagon for the transport of vehicles |
| CN1270139A (en) * | 1999-04-12 | 2000-10-18 | 因温特奥股份公司 | Fireproof elevator door |
| DE10055214C1 (en) * | 2000-11-07 | 2002-02-14 | Theo Schroeders | Smoke-protection sliding door has sealing profile sections, where at least one fits against contact face on wall or door panel having higher Shore hardness than sealing profile |
| CN202828084U (en) * | 2012-08-06 | 2013-03-27 | 芜湖新联造船有限公司 | Marine air-conditioning return air duct layout structure |
| CN102874264A (en) * | 2012-10-31 | 2013-01-16 | 株洲南车时代电气股份有限公司 | Ventilation device for bullet train |
| CN105298350A (en) * | 2015-09-21 | 2016-02-03 | 南车株洲电力机车有限公司 | Fireproof roll screen and railway vehicle fireproof roll screen structure |
| CN205743587U (en) * | 2016-07-05 | 2016-11-30 | 宁波天一消防器材有限公司 | A kind of energy-saving type self-closing fire window |
| CN206493947U (en) * | 2016-10-10 | 2017-09-15 | 中车长春轨道客车股份有限公司 | Drivers' cab fire prevention partition |
| CN206163652U (en) * | 2016-10-18 | 2017-05-10 | 天津国安盟固利新能源有限公司 | One -way circular wind channel battery box ventilation system and entire vehicle control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111688728B (en) | 2021-10-22 |
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