EP3349866A1 - Rohrheizung - Google Patents
RohrheizungInfo
- Publication number
- EP3349866A1 EP3349866A1 EP16766926.6A EP16766926A EP3349866A1 EP 3349866 A1 EP3349866 A1 EP 3349866A1 EP 16766926 A EP16766926 A EP 16766926A EP 3349866 A1 EP3349866 A1 EP 3349866A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heating
- extinguishing agent
- tube
- heating means
- fighting system
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 277
- 239000003795 chemical substances by application Substances 0.000 claims description 126
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 5
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 2
- 239000012811 non-conductive material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 16
- 239000007788 liquid Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 208000027418 Wounds and injury Diseases 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000002131 composite material Substances 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000011343 solid material Substances 0.000 description 6
- 238000007710 freezing Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 5
- 239000003595 mist Substances 0.000 description 5
- 239000003380 propellant Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 235000012245 magnesium oxide Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical class [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
-
- 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
- A62C35/023—Permanently-installed equipment with containers for delivering the extinguishing substance the extinguishing material being expelled by compressed gas, taken from storage tanks, or by generating a pressure gas
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
Definitions
- the subject matter relates to a fire fighting system with a heating means.
- At least one extinguishing agent container is used, in which
- Extinguishing agent such as water is stored.
- two systems which are objectively includes, namely on the one hand so-called single-bottle systems in which the extinguishing agent in the extinguishing agent tank is permanently stored under pressure.
- This system can trigger autonomously without the need for a pump or other propellant to expel the extinguishing agent from the extinguishing agent container.
- so-called two-flap systems is in a bottle the
- Extinguishing agent stored without pressure and a second bottle stores the propellant, in particular a propellant gas, for example nitrogen under pressure.
- a propellant gas for example nitrogen under pressure.
- Triggering a valve between the two bottles is opened so that the
- Propellant drives out the extinguishing agent from the extinguishing agent tank. In both systems, however, the risk of freezing of the extinguishing agent
- rail vehicles must be ready to operate the firefighting system immediately upon commissioning of the rail vehicle. If, for example, the vehicle is in the cold overnight and the extinguishing agent is frozen, an unnecessarily long time must be waited until the rail vehicle can actually be used for passenger transport, namely only when the fire fighting system is ready for use, ie when the extinguishing agent has thawed , Thus, the object was the object, the operational readiness of
- the fire-fighting system comprises a pressure-resistant extinguishing agent tank.
- an extinguishing agent container can be, for example, a steel cylinder in which the extinguishing agent, for example water, can be stored under pressure or without pressure.
- a so-called liner may be provided, which protects the inner wall of the steel cylinder from corrosion.
- the extinguishing agent container for example, be a composite container, for example made of a plastic composite material, preferably from a
- Plastic fiber composite material In particular, type 4 composite containers are suitable here.
- the fiber composites can, for example
- the extinguishing agent container preferably at least one opening is arranged.
- the orifice is typically provided as an outlet on the neck of the bottle, but may preferably be used on composite containers at any other location on the bottleneck
- Extinguishing agent container may be provided.
- the opening may not only be designed as an outlet, but it is also possible that the subject opening is an inlet or even formed only as a service opening, via which a heating means and / or a sensor is inserted into the extinguishing agent container.
- Extinguishing agent can be introduced into the extinguishing agent container via an inlet or, in the case of a two-bottle system, a propellant gas can be driven into the extinguishing agent container in order to expel the extinguishing agent from the extinguishing agent container.
- a pipe is preferably arranged.
- This tube is preferably formed within the extinguishing agent container, when the opening is the outlet, as a riser, via which the extinguishing agent can be expelled from the extinguishing agent container.
- the riser opens in an adapter piece at the opening and is transferred to an outlet pipe outside the extinguishing agent container.
- the riser pipe and the outlet pipe may be integral or multi-piece.
- the adapter piece may preferably be designed as a seal of the tube at the opening, so that the tube is pressure-tightly guided into the interior of the container.
- Extinguishing agent container is arranged. To optimize the pressure resistance of the extinguishing agent container, however, it is advantageous if as few openings as possible are provided on the extinguishing agent container. Since the outlet opening anyway on
- Extinguishing agent container is provided, preferably in the opening
- the heating means is arranged directly, so that the pipe and the heating means preferably form an assembly.
- the planar heating means is arranged on the lateral surface of the tube and surrounds these at least partially.
- the heating means is formed as a flat part, which leads in a uniform substrate at least one heating resistor.
- the heating medium can in the
- Settlement be a flat part, which can be wrapped around the pipe.
- the heating means Preferably, in the interior of the heating means, at least in areas no voids, so that the heating means can be clamped to the opening, in particular via the adapter piece so as to be able to seal the opening with respect to the heating means together with the pipe.
- a heating sleeve can be shaped as a flat component, which is preferably formed from a solid material. In the solid material, at least one heating resistor can be performed as a heating coil.
- the heating sleeve completely surrounds the tube.
- the complete encompassing, in particular in parts along the longitudinal axis of the tube in particular in a region of the opening can be ensured that the opening can be sealed.
- the heating sleeve for heating the extinguishing agent.
- the heating means may also be formed from a heating wire which is wound around the pipe.
- the tube is preferably a riser.
- the heating means may be wound as a wire-shaped heating means around the lateral surface of the tube.
- the wire-shaped heating means may be at least partially routed and secured within the tube.
- the heating sleeve can surround the tube at least in the region of the opening and in the interior of the extinguishing agent container. If the heating sleeve surrounds the tube inside the extinguishing agent container, the effective heating surface is maximized.
- the heating sleeve surrounds the pipe in the region of the opening, it is possible, as described above, to seal the extinguishing agent container in a gas-tight and / or liquid-tight manner between the heating jacket and the inner circumference of the opening.
- the tube with the heating means forms a double-walled tube.
- the heating means may be an outer tube arranged around the tube, wherein an annular space is preferably formed between the tube and the outer tube.
- the outer tube is metallic and in the
- the heating resistor is preferably coiled in the annulus between the tube and the outer tube.
- the volume not filled in the annular space by the heating resistor is filled with an electrically non-conductive material.
- the heating means is formed from a flat main body with at least one heating resistor arranged in the main body.
- the heating means is formed from a flat part of solid material, in which the heating resistor is guided.
- Heating resistor to be embedded in the solid material of the body Preferably, the solid material of the base body is electrically non-conductive.
- the heating means is a metallic heating sleeve.
- Inner circumference of the opening made, for example, with a
- Compression fitting or an O-ring can be made a corresponding seal of the metallic heating jacket in the same manner as
- the collar is formed of a non-conductive metal alloy or a non-conductive metal oxide, for example a magnesium component.
- a heating resistor is preferably arranged, preferably embedded and completely encompassed by the material of the heating cuff.
- the heating jacket or the heating resistor and the material of the heating jacket are formed from a plastically non-destructively deformable material.
- the deformability is such that the heating sleeve
- the tube or the tube radius determines the minimum bending radius, which the material of the
- Heating jacket allows.
- the heating sleeve is bent or wound around the pipe.
- the tube may be bent within the extinguishing agent container. Together with the tube thus the heating jacket can also inside the extinguishing agent container be bent.
- the tube is in the direction of an outer wall of the
- a riser pipe is usually provided in an extinguishing agent tank, in particular if the opening is an outlet opening.
- the tube according to one embodiment is a riser.
- the heating means is arranged at least in the region of the opening and in the interior of the extinguishing agent container on the pipe.
- the arrangement in the region of the opening allows easy sealing, wherein the placing inside the extinguishing agent container the
- a valve is arranged at the opening, which is preferably an extinguishing agent outlet.
- the riser or the pipe in the interior of the extinguishing agent container opens via the adapter piece in the valve.
- the valve can be opened through the valve and
- the heating means may extend across the opening into the interior of the extinguishing agent container along the tube.
- the heating means extends from the valve through the opening to the interior of the extinguishing agent container.
- an electrical connection of the heating resistor can take place outside the extinguishing agent container, in particular in the region of the valve or the adapter piece.
- the heating means is formed such that initially has an electrical supply line which has a lower electrical resistance than in the region in which the heating is to take place.
- the heating means preferably has a supply region and a heating region, wherein both regions are preferably arranged in a same manner on the tube, but different electrical
- the supply range is preferably up to 10%, in particular up to 15% of the tube length in the interior of the container. This is particularly useful if the container only with a degree of filling of less is filled as 100%, in particular filled with about 90%.
- the heating must therefore be designed in such a way that no heating takes place in the upper area, ie the upper area which does not come into contact with the extinguishing medium during operation.
- Connection in the supply area should have a minimal electrical power loss.
- the tube and the heating means are mounted directly adjacent to each other.
- the immediate concern means that in particular between the pipe and heating medium no air gap is present.
- the heating means and the heating means are mounted directly adjacent to each other.
- a surface of the tube is provided an adhesive which causes a seal by adhering or sticking of the heating means to the tube.
- the tube itself is preferably closed by the valve.
- the outer wall of the heating jacket must face the opening of the
- Extinguishing agent container be sealed.
- this seal according to one embodiment, liquid-tight and / or gas-tight.
- the heating means together with the tube forms a double-walled cylinder.
- the heating means is guided on its lateral surface at the opening by a seal. This will seal between
- Mantle surface of the heating means and opening or inner circumference of the opening allows, so that the extinguishing agent container is sealed to the seal liquid-tight and / or gas-tight.
- the heating means is preferably a heating resistor.
- This heating resistor may be provided according to an embodiment with an electrical connection outside the extinguishing agent tank, so that on this electrical connection of the heating resistor can be subjected to electrical power.
- the heating means has at least two independently switchable heating circuits. It has been recognized that by two independently switchable heating circuits, the heating of the extinguishing agent depending on the respective
- the heating medium is supplied with different heating power, wherein the heating power is automatically adapted to the ambient conditions.
- a second heating circuit can be connected or supplied with electrical energy, which can be operated with a higher electrical power than the first heating circuit. Also can be a supply of electrical
- Heating energy situativ adapted to the ambient conditions Heating energy situativ adapted to the ambient conditions.
- the heating circuits can be operated with heating resistors of different cable cross sections.
- the heating resistor with the smaller wire cross-section can be designed for the lower electrical power and by its corresponding resistivity even at lower electrical power with a good efficiency convert the electrical energy into heating energy.
- the heating circuit with the heating resistor with the larger cable cross-section can be used for rapid heating. In this case, the current in the heating conductor with the lower wire cross-section would be too high and this would be destroyed. Hence the second heating circuit designed for the higher currents.
- the two heating circuits can be switched independently of each other, but also be applied simultaneously with electrical power, so as to achieve the maximum possible heating power.
- the heating circuits each have at least one heating resistor.
- the heating resistor is preferably a heating wire with a respective adapted to the heating power resistivity and / or line cross-section.
- the line cross-section is relevant to the current carrying capacity, which is preferably different in the two heating resistors.
- Heating resistor has a relation to a second heating resistor smaller resistivity.
- the power loss through the heating resistor, which is converted into heat output, is therefore higher at this heating resistor, as compared to the heating resistor with the larger resistivity.
- the two heating resistors are preferably designed for the respectively applied electrical heating power or electrical power, so that their
- Melting points are preferably different from each other. With help different heating resistors, it is possible to adjust the heating power to the respective heating power, in particular the respectively fed electrical power.
- the two heating circuits can each be operated with different heating power, in particular different electrical power.
- At least one of the voltage sources is a DC voltage source.
- the subject fire fighting system is particularly suitable for heating the extinguishing liquid in different situations, so that it is advantageous to operate the voltage sources at different electrical voltages, so that the heating resistors are subjected to different electrical voltages.
- the tensions are there
- a low DC voltage is suitable, for example a 24 V or a 110 V DC voltage.
- the 110 V DC can be used for thawing, and the 24V for maintaining the liquid state. Both voltages can be fed, for example, from an accumulator.
- a second DC voltage may preferably be a power supply of a
- a second DC voltage can be 380 V or 400 V.
- the higher voltage may be pulsed to control the heating energy
- the heating circuits are encapsulated in a common housing of the heating medium.
- the heating circuits are arranged in the heating jacket.
- the heating means may be arranged in and / or on the extinguishing agent container.
- Extinguishing agent container may be arranged. Also, it is possible that the heating sleeve is arranged on the outer circumferential surface of the extinguishing agent container, in particular in the form of a heating mat is wound around the extinguishing agent container.
- Heating means can also be arranged only on the adapter or on the adapter head in the region of the opening of the extinguishing agent container. If the heating means is only located outside of the extinguishing agent container, so can for a better
- the riser is formed of a metal material, preferably copper material, which has a relation to a stainless steel riser increased thermal conductivity.
- the arrangement of the heating means only on the adapter head is to be regarded as independent, but can be combined with all other features, as described here. According to one embodiment, it is proposed that at least one
- Temperature sensor is arranged in or on the extinguishing agent container. With the aid of the temperature sensor, it is possible to detect the temperature of the extinguishing agent container and / or the temperature of the extinguishing agent. By evaluating the temperature measured by the temperature sensor, an activation of the heating means can be controlled.
- a controller controls depending on a detected temperature of at least one temperature sensor, the application of electrical voltage to the heating resistors.
- a hysteresis can be programmed so that when falling below a limit temperature, a heating circuit is turned on and when overwriting a second, higher than the first limit temperature of the heating circuit is turned off again.
- the extinguishing agent tank is pressure-resistant.
- Another aspect is a method of operating a
- Extinguishing agent container and / or the extinguishing agent detected in the extinguishing agent container If the measured temperature falls below a first limit temperature, initially only the first heating circuit is activated. Will be a second, smaller than the first
- the second heating circuit is activated.
- the activation of the second heating circuit can be cumulative or alternatively to the first heating circuit.
- the second heating circuit when the second limit temperature is exceeded, the second heating circuit initially remains activated until a third, greater than the second limit temperature is reached and only then is the second heating circuit deactivated.
- a hysteresis control can be established, so that only when overwriting a fourth limit temperature, which is greater than the first
- On-board voltage of a rail vehicle For use at different temperatures of the extinguishing agent, it makes sense if the first heating circuit is operated with a smaller heating power than the second heating circuit.
- Fig. 1 a fire fighting system
- Fig. 2 is a schematic view of a pipe with a heating sleeve
- 3a shows a schematic plan view of a heating sleeve
- FIG. 3b shows a sectional view of a heating sleeve
- FIG. 4 shows a sectional view of a further embodiment of a heating means
- Fig. 6 shows an arrangement of a heating means on an extinguishing agent container
- Fig. 7 shows a schematic arrangement of an electric heating means
- Fig. 8 is a schematic view of an outlet including temperature sensors and
- Fig. 9 shows an operation of a subject fire fighting system
- FIG. 10 is a schematic view of a rail vehicle with a
- FIG. 1 shows a fire fighting system 2 with an extinguishing agent container 4.
- a riser 6 is provided, which opens via an adapter 8 in a valve 10.
- the adapter piece 8 is arranged in the region of an outlet opening 12 of the extinguishing agent container 4 and preferably screwed there sealingly.
- the extinguishing agent container 4 is in the variant shown a steel cylinder which has on its inner surface a liner 14 made of plastic in order to protect the material of the extinguishing agent container 4 from corrosion.
- extinguishing liquid 16 in the present case in the form of water, stored under pressure.
- the extinguishing agent container 4 is at a static pressure of more than 5 bar, preferably more than 20 bar, in particular more than 100 bar in a standby mode.
- the extinguishing liquid 16 is expelled via the riser 8 from the extinguishing agent tank 4 and can then for example via a
- Fire fighting system is used in conventional sprinkler systems, since there is the problem of freezing there.
- Heating device used.
- Fig. 2 shows the riser 6, which is sheathed by a heating sleeve 18.
- the heating sleeve 18 is directly connected to the outer wall of the tube 6, for example glued.
- the connection between the heating sleeve 18 and riser 6 is such that no gap between the outer wall of the tube 6 and the heating sleeve 8 is formed.
- the connection between the heating sleeve 18 and riser 6 is such that between the heating sleeve 18 and riser 6 no gas or liquid can flow.
- at least one heating resistor 20 is provided in the heating sleeve 18.
- the heating resistor 20 is encapsulated in the heating sleeve 18 and wound around the riser in the assembled state.
- Heating jacket 18 is preferably a solid material, in particular formed from a non-conductive metal alloy or a non-conductive metal oxide. Inside the heating sleeve 18, at least one heating resistor 20 is guided as a heating wire. Due to the insulating property of the material of the heating sleeve 18, the / For example, the heating resistors 20 can be guided directly in the material of the heating sleeve 18.
- Fig. 3a shows a development of a heating jacket 18 in a plan view.
- the heating resistors 20a, 20b each have two electrical connections 22 (22a ', 22a "and 22b', 22b").
- the heating resistors 20a, 20b which can be designed as heating wires, each act on an electrical voltage, which may also be different.
- the electrical power fed into the heating resistors 22a, 22b may be different, so that the
- Heating resistors 22a, 22b may have different heating outputs.
- the heating sleeve 18 can be wound around the riser pipe 6 when the material of the heating sleeve 18 and the heating resistors 22a, 22b is plastically deformable.
- a minimum bending radius can be predetermined by the outer radius of the riser 16. Up to such a bending radius, the material of the heating sleeve 18 and the heating resistor 20a, 20b should be plastically non-destructive deformable.
- 3b shows a cross section through a heating sleeve 18. It can be seen that the conductor cross sections of the heating resistors 20a, 20b can be of different sizes, which leads to different heating powers, in particular different current carrying capacity. Also the melting points of the materials of the
- Heating resistors 20a, 20b may be different.
- Fig. 4 shows a further embodiment of a heating means 24 on a riser 6. It can be seen that the heating means 24 from an outer tube 24 a and in a
- Annular space 24b between the outer tube 24a and the riser 6 arranged filling material 24c and at least one heating resistor 20 is formed.
- Filler 24 is preferably electrically non-conductive and thus isolates the Heating resistor 20.
- the material is preferably good thermal conductivity, so that the heating power of the heating resistor 20 without large temporal
- Delay can be discharged via the outer tube 24a to the extinguishing agent 16.
- a heating sleeve 18, as shown in Fig. 3a, can be wound around the riser 6 in the form shown in Fig. 5 or wound.
- a heating wire may be wrapped around the pipe.
- a single heating wire may be wrapped around the riser.
- the heating wire may be formed from an outer layer with a non-conductive oxide and inside the actual heating element having an electrically conductive wire, the heating wire is preferably plastically deformable, wherein a bending radius with which the wire can be bent without damage or injury, can correspond approximately to the outer radius of the tube.
- the heating wire itself can be so flexible that it can be wound around the riser pipe.
- the wire is not mounted directly on the pipe, but to a holder attached to the pipe.
- the heating means need not necessarily be arranged on the riser 6, but may also be arranged on the adapter piece 8 (not shown) as well as on the outer jacket surface of the extinguishing agent container 6.
- FIG. 6 shows a heating mat 26 which has two switching resistors 20 (not shown) which can be switched separately from one another. About each separately equippable electrical
- Terminals 22 can operate the heating resistors at different times and with different electrical powers, so that depending on a temperature of the extinguishing agent container 6 and des in the
- Extinguishing agent container 6 stored extinguishing agent 16 only one heating resistor or optionally two heating resistors can be operated.
- the connection and disconnection of the electrical supply to the heating resistors 20a, 20b is shown in FIG. In FIG. 7, for example, a 24 V is
- DC voltage supply 28 shown as an accumulator. Next to it is a
- Rectifier 30 is provided, which is connected to the power supply of the vehicle, such as a rail vehicle and provides via its outlets a DC electrical voltage of 380 V or 400 V. Through respective switches 32, 34 accumulator 28 and rectifier 30 are connected to the electrical terminals 22 of the heating resistors 20a, 20b (not shown).
- a control circuit 36 receives from a temperature sensor, not shown, a temperature signal 38 and evaluates this. Depending on the evaluation of the temperature signal 38, the control circuit 36 closes or opens the switches 32, 34. Thus, when the temperature falls below a first limit temperature, for example 10 ° C., the switch 32 can be closed while the switch 34 remains open.
- the heating resistor 20a With a relatively small electric power, the heating resistor 20a is operated and the temperature of the extinguishing agent 16 is merely maintained. However, if the outside temperature drops further, this low heat output may not be sufficient. The temperature of the extinguishing agent then drops below a second limit temperature. Even with a complete shutdown of the two heaters, e.g. in the operational standstill of the vehicle, the temperature of the extinguishing liquid 16 may fall below the second, lower than the first limit temperature. Such a temperature triggers a corresponding temperature signal 38, which is evaluated by the control circuit 36 so that the switch 34 is closed. The switch 34 may be cumulatively closed to the switch 32 or alternatively to the switch 32.
- the Temperature signal 38 for example, a temperature value of 0 C ° reports, such rapid heating can be activated.
- FIG. 8 shows a detailed view of an opening 4a on an extinguishing agent container 4. It can be seen that the adapter piece 8 is screwed to the opening mouth of the opening 4. Outside the adapter piece 8, a first temperature sensor 40a may be arranged. Inside the extinguishing agent container 4, a second
- Temperature sensor 40b may be arranged.
- the temperature sensors 40a, 40b can transmit a temperature signal 38 to the controller 36.
- the heating wire is detached from the riser in the region of the opening 4a and is guided separately sealed by the valve body to the outside and is connected there to the energy source.
- the internal heating element e.g. the heating wire, can be passed either through the valve body or inside in the riser to the outside.
- the heating wire can be an electric
- heating sleeve 18 is arranged directly on the riser 6.
- the riser 6 is together with heating sleeve 18, which is preferably formed at least on its outer surface of metal, through the
- Adapter piece 8 passed.
- the heating sleeve 18 is sealingly received, which is schematically indicated by the O-rings 8a and 8b.
- the seal is well known and will therefore not be described in detail.
- the electrical connections 22a and 22b are provided, via which the heating resistors 20a, 20b of the heating jacket 18 can be electrically contacted.
- the heating resistors 20a, 20b with operated a hysteresis.
- a temperature value on the X axis in ° C is plotted.
- the switching states 1 and 2 are plotted on the Y axis. The switching state 1 means that only one heating resistor is activated and the
- Switching state 2 means that both heating resistors are activated, ie supplied with electrical power.
- a first heating resistor is activated. This may be, for example, the one which is subjected to the lower electrical power. As long as the temperature is between 0 and 10 C °, the first one remains
- Heating resistor switched on. Only when the temperature exceeds 10 C °, the switching state 1 is left and the first heating resistor is switched off again.
- switching state 2 is switched on.
- both heating resistors are preferably subjected to electrical power, wherein the second heating resistor is subjected to a considerably higher electrical power than the first heating resistor. If the temperature continues to drop, it will remain
- FIG. 10 shows a rail vehicle 42 with a pipeline system 44 and
- the piping system 44 is coupled to two extinguishing agent containers 4.
- the extinguishant containers 4 are controlled by a central controller 36 which is connected to a fire panel (not shown). in the
- valves 10 are opened via the center 36 and extinguishing agent exits from the nozzles 46a-c.
- the controller 36 also monitors a temperature of the
- Extinguishing agent tank 4 controls depending on the temperature Power supply 50, which is coupled for example with the central
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pipe Accessories (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Catching Or Destruction (AREA)
- Control Of Resistance Heating (AREA)
Abstract
Description
Claims
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PL16766926T PL3349866T3 (pl) | 2015-09-14 | 2016-09-14 | Rurowe urządzenie grzewcze |
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DE102015115450.1A DE102015115450A1 (de) | 2015-09-14 | 2015-09-14 | Rohrheizung |
PCT/EP2016/071675 WO2017046154A1 (de) | 2015-09-14 | 2016-09-14 | Rohrheizung |
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EP3349866A1 true EP3349866A1 (de) | 2018-07-25 |
EP3349866B1 EP3349866B1 (de) | 2020-05-20 |
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EP16766926.6A Active EP3349866B1 (de) | 2015-09-14 | 2016-09-14 | Rohrheizung |
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US (1) | US11147994B2 (de) |
EP (1) | EP3349866B1 (de) |
JP (1) | JP6474942B2 (de) |
KR (1) | KR102001194B1 (de) |
CN (1) | CN108348794A (de) |
DE (1) | DE102015115450A1 (de) |
DK (1) | DK3349866T3 (de) |
ES (1) | ES2811910T3 (de) |
PL (1) | PL3349866T3 (de) |
WO (1) | WO2017046154A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109373089A (zh) * | 2018-11-22 | 2019-02-22 | 南通星球石墨设备有限公司 | 一种防止氯化钙溶液在管道内壁易结晶的装置 |
JP2020142032A (ja) * | 2019-03-08 | 2020-09-10 | ヤマトプロテック株式会社 | 凍結防止システム及び消火設備 |
CN111617424A (zh) * | 2020-05-28 | 2020-09-04 | 湖北及安盾消防科技有限公司 | 灭火装置及灭火系统 |
CN112856482A (zh) * | 2021-01-21 | 2021-05-28 | 胡兰英 | 一种用于农村厨房木材燃烧余渣的灭火装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3355572A (en) * | 1964-07-01 | 1967-11-28 | Moore & Co Samuel | Composite electrically heated tubing product |
DE2235676A1 (de) * | 1972-07-20 | 1974-02-07 | Inter Control Koehler Hermann | Vorrichtung zur bestimmung der temperatur eines mediums in einem gehaeuse |
JPS60211191A (ja) | 1984-04-04 | 1985-10-23 | 株式会社日立製作所 | 配管用長尺保温材 |
JPS61200988A (ja) | 1984-08-13 | 1986-09-05 | エイチエスシ−・リサ−チ・デイベロツプメント・コ−ポレ−シヨン | 螢光測定法のための試薬 |
JPS61200988U (de) * | 1985-06-05 | 1986-12-16 | ||
DE3938394A1 (de) | 1989-11-18 | 1991-05-23 | Preussag Ag Minimax | Feuerloeschanlage |
JP2000130652A (ja) | 1998-10-27 | 2000-05-12 | Inax Corp | フレキホース |
JP4184647B2 (ja) * | 2001-10-12 | 2008-11-19 | ホーチキ株式会社 | 消火器および中和器 |
JP2003173864A (ja) | 2001-12-05 | 2003-06-20 | Ohsin Denko:Kk | 凍結防止用加熱体 |
JP4293081B2 (ja) | 2004-07-23 | 2009-07-08 | パナソニック株式会社 | 流体加熱装置およびそれを用いた各種の洗浄装置 |
DE102005018235B4 (de) * | 2005-04-19 | 2007-03-29 | Bombardier Transportation Gmbh | Brandbekämpfung in Lokomotiven |
DE102006032503A1 (de) * | 2006-07-12 | 2008-01-17 | Fogtec Brandschutz Gmbh & Co. Kg | Verfahren und Vorrichtung zur Brandbekämpfung |
GB2449131A (en) * | 2007-07-10 | 2008-11-12 | Dean Wilkinson | Fire sprinkler assembly |
CN101411928A (zh) * | 2008-11-28 | 2009-04-22 | 四川威龙消防设备有限公司 | 带有内置蒸发器的定压贮存式高压二氧化碳灭火装置 |
DE202011106751U1 (de) * | 2011-10-14 | 2013-01-18 | Voss Automotive Gmbh | Zumindest teilweise beheizbarer Leitungsverbinder für eine beheizbare Medienleitung sowie konfektionierte Medienleitung mit einem solchen Leitungsverbinder |
-
2015
- 2015-09-14 DE DE102015115450.1A patent/DE102015115450A1/de not_active Withdrawn
-
2016
- 2016-09-14 WO PCT/EP2016/071675 patent/WO2017046154A1/de active Application Filing
- 2016-09-14 DK DK16766926.6T patent/DK3349866T3/da active
- 2016-09-14 EP EP16766926.6A patent/EP3349866B1/de active Active
- 2016-09-14 US US15/759,263 patent/US11147994B2/en active Active
- 2016-09-14 ES ES16766926T patent/ES2811910T3/es active Active
- 2016-09-14 PL PL16766926T patent/PL3349866T3/pl unknown
- 2016-09-14 KR KR1020187010553A patent/KR102001194B1/ko active IP Right Grant
- 2016-09-14 CN CN201680053332.3A patent/CN108348794A/zh active Pending
- 2016-09-14 JP JP2018513490A patent/JP6474942B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
PL3349866T3 (pl) | 2020-11-16 |
DK3349866T3 (da) | 2020-08-24 |
JP2018534003A (ja) | 2018-11-22 |
JP6474942B2 (ja) | 2019-02-27 |
US20180250539A1 (en) | 2018-09-06 |
ES2811910T3 (es) | 2021-03-15 |
US11147994B2 (en) | 2021-10-19 |
KR102001194B1 (ko) | 2019-07-17 |
EP3349866B1 (de) | 2020-05-20 |
CN108348794A (zh) | 2018-07-31 |
KR20180049096A (ko) | 2018-05-10 |
WO2017046154A1 (de) | 2017-03-23 |
DE102015115450A1 (de) | 2017-03-16 |
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