GB2624371A - Portable building unit - Google Patents

Portable building unit Download PDF

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Publication number
GB2624371A
GB2624371A GB2216630.0A GB202216630A GB2624371A GB 2624371 A GB2624371 A GB 2624371A GB 202216630 A GB202216630 A GB 202216630A GB 2624371 A GB2624371 A GB 2624371A
Authority
GB
United Kingdom
Prior art keywords
fire
building unit
portable building
alarm
alarms
Prior art date
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.)
Pending
Application number
GB2216630.0A
Other versions
GB202216630D0 (en
Inventor
Stanley Chapman Francis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advante Ltd
Original Assignee
Advante Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Advante Ltd filed Critical Advante Ltd
Priority to GB2216630.0A priority Critical patent/GB2624371A/en
Publication of GB202216630D0 publication Critical patent/GB202216630D0/en
Publication of GB2624371A publication Critical patent/GB2624371A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • 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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
    • A62C35/11—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone
    • A62C35/13—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone with a finite supply of extinguishing material
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/348—Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form
    • E04B1/34869—Elements for special technical purposes, e.g. with a sanitary equipment
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
    • E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
    • E04H1/1205—Small buildings erected in the open air
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means

Landscapes

  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • General Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Epidemiology (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fire Alarms (AREA)

Abstract

A portable building unit 100 such as a self-contained prefabricated transportable structure comprises a fire safety system having a one or more battery powered automatic fire alarms 20, such as a smoke detector or heat detector, and one or more automatic fire suppression devices 10 suspended from a surface 80 of the portable building unit 100. Each fire suppression device 10 comprises a pressurised tank 11 containing a fire supressing agent, a nozzle 13 (fig.2) through which the fire supressing agent exits the device 10 and a closed conduit comprising a seal 14 between the pressurised tank 11 and the nozzle 13 which, in the event of a fire, is configured to open thus allowing the fire supressing agent to discharge from the device 10 through the nozzle 13 under pressure. Each fire suppression device 10 further comprises a pressure sensor 15 for detecting that the fire suppression device 10 has been discharged. The fire alarms 20 may be wirelessly connected together. The first suppressing agent may be a powder, liquid or foam based agent. The seal 14 may be meltable above a specific temperature.

Description

PORTABLE BUILDING UNIT
The present invention relates to a portable building unit comprising a fire safety system.
Portable building units are prefabricated transportable structures which can offer a flexible and/or temporary building solution. Portable building units can be used for a variety of applications, such as welfare facilities (e.g. toilets, washrooms, showers, etc.), accommodation, site offices, security cabins, storage, etc.. Typically, portable building units do not necessarily have a fire-resistance rating, and as such in the event of a fire cannot provide adequate fire resistance and containment. Manually operated fire extinguishers may be placed in portable building units, but these can be difficult to locate in the event of a fire.
It is desired to provide improvements relating to fire safety in portable building units.
Thus, according to an aspect of the present invention there is provided a portable building unit comprising: one or more automatic fire alarms suspended from a surface of the portable building unit; and/or one or more automatic fire suppression devices suspended from a surface of the portable building unit.
The present invention can provide a portable building unit having enhanced fire safety. In particular, the portable building unit can comprise a built-in fire safety system which activates automatically in the event of a fire both to raise an alarm and to supress the fire. Traditionally, portable building units do not contain built-in fire safety systems due to the short-term use of the unit and the complexity/expense of installing such systems. -2 -
In embodiments, each automatic fire alarm and/or automatic fire suppression device may be suspended from a wall or ceiling surface of the portable building unit. The portable building unit may comprise plural automatic fire alarms and/or plural automatic fire suppression devices. The portable building unit may comprise plural rooms. A respective fire alarm and/or respective fire suppression device may be located in each room.
In embodiments, each automatic fire alarm may comprise a smoke detector and/or heat sensor for detecting fire. The fire alarm may emit a visual and/or audible alarm. Each fire alarm may be powered by an electricity generator, solar panel and/or mains power supply. Each fire alarm may also or instead be battery powered, thus allowing the fire alarm to operate with minimal wiring and/or in the absence of an electricity generator, solar panel or mains power supply. The system may comprise plural fire alarms (e.g. wirelessly) communicably connected together. Each fire alarm may be configured such that, when that fire alarm detects a fire or is informed of a fire, an alarm communication is transmitted from that fire alarm to each of one or more other fire alarms of the system to emit an alarm. Each fire alarm may be configured such that, when an alarm communication is received at that fire alarm, that fire alarm emits an alarm. This can achieve enhanced fire safety by providing an early warning of fire in other regions (e.g. other rooms) of the portable building unit. At least one of the fire alarms may be configured such that, when that fire alarm detects a fire or is informed of a fire, an alarm communication is transmitted to a telemetry device. At least one of the fire alarms may be a master fire alarm which is (e.g. wirelessly) communicably connected to the telemetry device, the other fire alarms being (e.g. wirelessly) communicably connected to the telemetry device via the master fire alarm. -3 -
This can simplify communications protocol and can help to avoid communication range issues for fire alarms located furthest from the telemetry device. Alternatively, each of the fire alarms may be directly (e.g. wirelessly) communicably connected to the telemetry device. This can reduce reliance on the functioning of a master fire alarm In embodiments, each fire suppression device may comprise a pressurised tank containing a fire supressing agent. The fire suppressing agent may be a liquid, powder or foam fire suppressing agent. Each fire suppression device may comprise a nozzle through which the fire supressing agent exits the device. Each fire suppression device may comprise a closed (e.g. sealed) conduit between the pressurised tank and the nozzle which, in the event of a fire, is configured to open thus allowing the fire supressing agent to discharge from the device through the nozzle under pressure. The conduit may comprise a seal that prevents the fire supressing agent from passing through the conduit when closed. In some embodiments, the conduit may be configured to open upon melting or softening of the seal above a certain temperature.
In other embodiments, other smoke or heat activated seals may be used. Each fire suppression device may comprise a detector for detecting that the fire suppression device has been discharged. The detector may comprise a pressure sensor, for example which detects a change in pressure within the fire suppression device upon discharge. Each fire suppression device (e.g. detector) may be communicably connected (e.g. wired) to a corresponding fire alarm of the system. Each fire suppression device (e.g. detector) may be configured such that, when that device is discharged, a discharge communication is transmitted from the device (e.g. detector) to a corresponding fire alarm. Each fire alarm may be configured such that, when a discharge communication is received at that fire alarm from the corresponding fire -4 -suppression device, that fire alarm emits an alarm. Again, this can achieve enhanced fire safety by providing an early warning of fire. Each fire suppression device may be configured such that, when that fire suppression device is discharged, a discharge communication is transmitted to a telemetry device. The discharge communication may be transmitted to the telemetry device via the corresponding fire alarm or other (e.g. master) fire alarm.
In embodiments, the system may comprise a telemetry device configured to transmit a status of the fire safety system to a location remote from the portable building unit. For example, the telemetry device may be configured to, when an alarm communication is received from a fire alarm, transmit a status of the fire safety system to a location remote from the portable building unit. For another example, the telemetry device may be configured to, when a discharge communication is received from a fire suppression device, transmit a status of the fire safety system to a location remote from the portable building unit. This can allow remote monitoring of the fire safety /5 system. It will be appreciated that the term "remote is not intended to imply any specific distance from the portable building unit but merely to refer to a location which is not the same as that of the portable building unit. The telemetry device may be powered by an electricity generator, solar panel and/or by a mains power supply. The telemetry device may comprise a (e.g. back-up) battery configured to power the telemetry device, for example in the absence of power from the electricity generator, solar panel and/or mains power supply.
In embodiments, the portable building unit may be substantially cuboid. The portable building unit may have a length in the range 2-20 meters, for example in the range 2-12 meters. The portable building unit may have a width in the range 2-3 -5 -meters. The portable building unit may have a height in the range 2-3 meters. The portable building unit may be configured to be transportable on the back of a truck. The portable building unit may not have its own wheels on which it is transported. The portable building unit may not be intended to be permanently fixed to the ground. The portable building unit may not have foundations. The portable building unit may be configured to rest on the ground where it is placed. The portable building unit may have one or more lifting points at which the unit can be lifted on or off the back of a truck. The portable building unit may be stackable and/or locatable adjacent to other like building units, thus forming a modular portable building structure. For example, two portable building units may be stacked one on top of the other. The portable building unit may be a prefabricated structure having built in walls, floor and ceiling. The portable building unit may be substantially self-contained, for example requiring no permanent connection to mains utilities services, such as mains water or mains power. However, the portable building unit may nevertheless be temporarily connected to mains utilities services, for example by a (e.g. above-ground) hose or cable.
By way of example only, embodiments of the invention will now be described in detail with reference being made to the accompanying drawings in which: Figure 1 is a schematic cross-sectional side view of a portable building unit comprising a fire safety system according to an embodiment of the present invention; zo and Figure 2 shows further details of the fire safety system of Figure 1.
Figure 1 shows a portable building unit 100 having three rooms 50, 50', 50". In this embodiment, the portable building unit 100 is approximately 4.75m in length, 2.75m in width and 2.5m in height, although other sized units 100 could be provided. -6 -
The portable building unit 100 is a self-contained prefabricated structure having built-in walls 70, 70', 70", floor 75 and ceiling 80. The unit 100 is transportable on the back of a truck. To that end, the portable building unit 100 has lifting points 11 for lifting the unit 100 on and off the back of a truck. Room 50 contains an electricity generator 60 for providing power to the unit 100, room 50' includes toilet cubicles 65 and room 50" is used as accommodation/storage. A respective battery-powered automatic fire alarm 20, 20', 20" is mounted on the ceiling 80 of each room 50, 50', 50". In this embodiment, the fire alarms 20, 20', 20" each comprise a smoke detector configured to detect the presence of smoke from a fire, although in other embodiments a heat sensor may be used as well or instead as a smoke detector. The fire alarms 20, 20', 20" are wirelessly connected together and are configured to communicate with each other such that, in the event of a fire being detected, when one fire alarm emits an alarm (e.g. sound and/or light), then the other fire alarms will emit an alarm too accordingly. A telemetry device 30 is located in room 50". The fire alarms 20, 20', 20" are also wirelessly /5 connected to the telemetry device 30 via a master fire alarm, which in this case is fire alarm 20" closest to the telemetry device 30. The telemetry device 30 is in turn wirelessly connected to a remote monitoring device (not shown) to allow remote monitoring of the fire safety system. The telemetry device 30 may also allow remote monitoring of other systems of the portable building unit 100, for example electrical systems so as to monitor power generation, carbon use, and/or other operations in the portable building unit 100. The telemetry device 30 is powered by electricity supplied by the generator 60 but also has a 12V back-up battery to allow approximately 4-weeks running time should the generator 60 fail, thus enabling the fire safety system to continue to operate even when it is not powered by the generator 60. -7 -
In this embodiment, each room 50, 50', 50" also has a ceiling-mounted automatic fire suppression device 10, 10', 10" connected with a respective corresponding fire alarm 20, 20', 20". Figure 2 shows the fire suppression device 10 in more detail. As is shown, the fire suppression device 10 has a bracket 12 that is 5 screwed or otherwise suspended from the ceiling 80. In other embodiments, the fire suppression devices 10, 10', 10" and/or fire alarms 20, 20', 20" may be suspended from a wall 70, 70', 70". The fire suppression device 10 has a pressurised tank 11 containing a fire suppressing agent. In this embodiment, the fire suppressing agent is non-toxic and powder-based, but other suppressing agents can be used instead such 10 as liquid or foam agents. The fire suppression device 10 also has a nozzle 13 through which the fire suppressing agent exits the device 10. The nozzle 13 is configured to discharge and disperse the fire suppressing agent over the surrounding area to supress, and ideally extinguish, a fire. In this embodiment, the fire suppression device 10 has a seal 14 that is meltable above a specific temperature thus opening a conduit that allows the fire suppressing agent to discharge from the device 10 via the nozzle 13 under pressure. The fire suppression device 10 also has a pressure sensor 15, which is connected to its corresponding fire alarm 20 via a wire 16 such that, in the event of a fire, when the fire suppression device 10 discharges, a change in pressure is detected by the pressure sensor 15 and the fire alarm 20 emits an alarm. As discussed above, the other fire alarms 20', 20" of the fire safety system that are communicably connected to the fire alarm 20 which emitted the alarm will also then emit an alarm. The fire alarms 20, 20', 20" can accordingly each be triggered independently and can trigger fire alarms in other rooms. The discharge event will also -8 -be communicated to the telemetry device 30, via the master fire alarm 20", for onward transmission of the system status to the remote monitoring device. -9 -

Claims (20)

  1. CLAIMS1. A portable building unit comprising a fire safety system, the fire safety system comprising: one or more automatic fire alarms suspended from a surface of the portable building unit; and/or one or more automatic fire suppression devices suspended from a surface of the portable building unit.
  2. 2. A portable building unit as claimed in claim 1, wherein each automatic fire alarm comprises a smoke detector and/or heat sensor for detecting fire.
  3. 3. A portable building unit as claimed in claim 1 or 2, wherein each fire alarm is battery powered
  4. 4. A portable building unit as claimed in claim 1, 2 or 3, wherein the system comprises plural fire alarms communicably connected together.
  5. 5. A portable building unit as claimed in claim 4, wherein each fire alarm is configured such that, when that fire alarm detects a fire or is informed of a fire, an alarm communication is transmitted from that fire alarm to each of one or more other 15 fire alarms of the system to emit an alarm.
  6. 6 A portable building unit as claimed in claim 4 or 5, wherein each fire alarm is configured such that, when an alarm communication is received at that fire alarm, that fire alarm emits an alarm.
  7. 7. A portable building unit as claimed in claim 4, 5 or 6, wherein at least one of the fire alarms is configured such that, when that fire alarm detects a fire or is informed of a fire, an alarm communication is transmitted to a telemetry device.
  8. 8. A portable building unit as claimed in claim 7, wherein at least one of the fire alarms is a master fire alarm which is communicably connected to the telemetry -10 -device, the other fire alarms being communicably connected to the telemetry device via the master fire alarm.
  9. 9. A portable building unit as claimed in claim 7, wherein each of the fire alarms is directly communicably connected to the telemetry device.
  10. 10. A portable building unit as claimed in any one of the preceding claims, wherein each fire suppression device comprises: a pressurised tank containing a fire supressing agent; a nozzle through which the fire supressing agent exits the device; and a closed conduit between the pressurised tank and the nozzle which, in the event of a fire, is configured to open thus allowing the fire supressing agent to discharge from the device through the nozzle under pressure.
  11. 11 A portable building unit as claimed in any one of the preceding claims, wherein each fire suppression device comprises a detector for detecting that the fire suppression device has been discharged.
  12. 12. A portable building unit as claimed in any one of the preceding claims, wherein each fire suppression device is communicably connected to a corresponding fire alarm.
  13. 13. A portable building unit as claimed in any one of the preceding claims, wherein each fire suppression device is configured such that, when that fire suppression device is discharged, a discharge communication is transmitted to a corresponding fire alarm 20 and/or to a telemetry device.
  14. 14. A portable building unit as claimed in any one of the preceding claims, wherein the system comprises a telemetry device configured to transmit a status of the fire safety system to a location remote from the portable building unit. -11 -
  15. 15. A portable building unit as claimed in claim 14, wherein the telemetry device is powered by an electricity generator, solar panel and/or a mains power supply.
  16. 16. A portable building unit as claimed in claim 14 or 15, wherein the telemetry device comprises a battery configured to power the telemetry device
  17. 17. A portable building unit as claimed in any one of the preceding claims, wherein the portable building unit has a length in the range 2-20 meters; a width in the range 2-3 meters; and/or a height in the range 2-3 meters.
  18. 18. A portable building unit as claimed in any one of the preceding claims, wherein the portable building unit is configured to be transportable on the back of a truck.
  19. 19. A portable building unit as claimed in any one of the preceding claims, wherein the portable building unit has one or more lifting points at which the unit can be lifted on or off the back of a truck.
  20. 20. A portable building unit as claimed in any one of the preceding claims, wherein the portable building unit is a prefabricated structure having built-in walls, floor and ceiling.
GB2216630.0A 2022-11-08 2022-11-08 Portable building unit Pending GB2624371A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2216630.0A GB2624371A (en) 2022-11-08 2022-11-08 Portable building unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2216630.0A GB2624371A (en) 2022-11-08 2022-11-08 Portable building unit

Publications (2)

Publication Number Publication Date
GB202216630D0 GB202216630D0 (en) 2022-12-21
GB2624371A true GB2624371A (en) 2024-05-22

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Family Applications (1)

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GB2216630.0A Pending GB2624371A (en) 2022-11-08 2022-11-08 Portable building unit

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070241876A1 (en) * 2006-04-17 2007-10-18 Derek Johnston Wireless linking of smoke/CO detection units
EP2402919A1 (en) * 2010-06-30 2012-01-04 Vetco Gray Controls Limited Intelligent fire extinguishing
WO2014036255A1 (en) * 2012-08-30 2014-03-06 Numerex Corp. Alarm sensor supporting long-range wireless communication
WO2019213439A1 (en) * 2018-05-03 2019-11-07 Blokable, Inc. Modular housing and related systems and manufacture
CN212214432U (en) * 2019-12-25 2020-12-25 安徽源泽智能科技有限公司 But self-service pavilion of bank that auto-induction was put out a fire
US20210331010A1 (en) * 2018-10-05 2021-10-28 Jun-ho Hwang Pipe-type fire extinguishing equipment for extinguishing fire inside ship transport container
CN214697109U (en) * 2021-03-04 2021-11-12 福建万邦活动房有限公司 Fireproof packing box room
CN215461618U (en) * 2021-09-07 2022-01-11 上海洲固电力科技有限公司 Intelligent temporary storage cabin automatic fire extinguishing management system based on smoke and temperature sensors
CN217366985U (en) * 2022-05-11 2022-09-06 常州市达克富尔环保科技有限公司 Intrinsic safety prefabricated cabin type flashing type automatic fire extinguishing system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070241876A1 (en) * 2006-04-17 2007-10-18 Derek Johnston Wireless linking of smoke/CO detection units
EP2402919A1 (en) * 2010-06-30 2012-01-04 Vetco Gray Controls Limited Intelligent fire extinguishing
WO2014036255A1 (en) * 2012-08-30 2014-03-06 Numerex Corp. Alarm sensor supporting long-range wireless communication
WO2019213439A1 (en) * 2018-05-03 2019-11-07 Blokable, Inc. Modular housing and related systems and manufacture
US20210331010A1 (en) * 2018-10-05 2021-10-28 Jun-ho Hwang Pipe-type fire extinguishing equipment for extinguishing fire inside ship transport container
CN212214432U (en) * 2019-12-25 2020-12-25 安徽源泽智能科技有限公司 But self-service pavilion of bank that auto-induction was put out a fire
CN214697109U (en) * 2021-03-04 2021-11-12 福建万邦活动房有限公司 Fireproof packing box room
CN215461618U (en) * 2021-09-07 2022-01-11 上海洲固电力科技有限公司 Intelligent temporary storage cabin automatic fire extinguishing management system based on smoke and temperature sensors
CN217366985U (en) * 2022-05-11 2022-09-06 常州市达克富尔环保科技有限公司 Intrinsic safety prefabricated cabin type flashing type automatic fire extinguishing system

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