CN218234543U - Multistage shelter - Google Patents

Abstract

The utility model discloses a multistage shelter, include: the system comprises a security isolation system, a security monitoring system, a life support system and a help calling system, wherein the security monitoring system, the life support system and the help calling system are all arranged in the security isolation system, and the security monitoring system is used for monitoring the inside and the outside of the security isolation system. By applying the utility model, a shelter capable of realizing multi-level protection is provided, which can perform corresponding use and adjustment through the environmental information acquired by the security monitoring system, so as to form a corresponding shelter effect according to the requirements of users and save the use cost; the shelter furthest prolongs the life support time of users, improves the human feeling of the users and increases the application range of the shelter.

Description

Multistage shelter

Technical Field

The utility model relates to a shelter product technical field especially relates to a multistage shelter.

Background

A shelter is a building structure for shelter that can achieve specific shelter effects, such as anti-knock or anti-gas, etc., by a corresponding design. Specifically, the existing shelter is sealed by internal and external isolation, and then a micro-positive pressure environment is manufactured, so that people in the indoor environment of the shelter are not damaged by outdoor toxic and harmful substances; or through the internal and external isolation sealing, the indoor environment of the shelter is prevented from being damaged by external explosion or generated shock waves and from being damaged by collapse of various collapses to the indoor environment. However, existing shelters often achieve only a single type of shelter, which is difficult to adapt in real time to meet the different shelter needs of users, which results in a large limitation in the range of applications of existing shelters and also in an unnecessary increase in the cost of use.

SUMMERY OF THE UTILITY MODEL

In view of the above, to solve the above problems, the present invention provides a multi-stage shelter, comprising: the system comprises a security isolation system, a security monitoring system, a life support system and a help calling system, wherein the security monitoring system, the life support system and the help calling system are all arranged in the security isolation system, and the security monitoring system is used for monitoring the inside and the outside of the security isolation system.

In another preferred embodiment, the security isolation system comprises: an outer isolation system and an inner isolation system, the inner isolation system disposed within the outer isolation system.

In another preferred embodiment, the external insulation system comprises at least: the isolation door and the isolation window are arranged on the isolation body, and the escape skylight can be arranged at the top of the isolation body in an openable mode.

In another preferred embodiment, the internal insulation system comprises at least: keep apart space, interior partition wall, heat preservation partition curtain, sealed explosion vent and wind leaching rooms, keep apart the space form in it is internal to keep apart, the wind leaching rooms the interior partition wall with the heat preservation partition curtain all set up in the isolation space, it is formed with first space, second space and third space to separate in the isolation space, the interior partition wall set up in first space with between the second space, the heat preservation partition curtain set up in the second space with between the third space, be provided with on the interior partition wall sealed explosion vent, the wind leaching rooms is close to the setting of isolation vent.

In another preferred embodiment, the security monitoring system comprises: the system comprises an outer monitoring system and an inner monitoring system, wherein the outer monitoring system is used for monitoring the outside of the security isolation system, and the inner monitoring system is used for monitoring the inside of the security isolation system.

In another preferred embodiment, the internal monitoring system includes: interior temperature monitoring device, interior oxygen concentration monitoring device, interior carbon dioxide concentration monitoring device, interior poisonous and harmful monitoring device, interior water level monitoring device and interior personnel activity monitoring device, interior temperature monitoring device interior oxygen concentration monitoring device interior carbon dioxide concentration monitoring device interior poisonous and harmful monitoring device interior water level monitoring device with interior personnel activity monitoring device all set up in the security isolation system.

In another preferred embodiment, the external monitoring system includes: the device comprises an explosion shock wave monitoring device, an outer temperature monitoring device, an outer poisonous and harmful monitoring device, an outer air quality monitoring device and an outer water level monitoring device, wherein the explosion shock wave monitoring device, the outer temperature monitoring device, the outer poisonous and harmful monitoring device, the outer air quality monitoring device and the outer water level monitoring device are all arranged outside an outer isolation system.

In another preferred embodiment, the life support system comprises at least: the water management system is used for controlling water consumption in the security isolation system, the oxygen management system is used for controlling oxygen content and carbon dioxide content in air in the security isolation system, and the power supply system is used for supplying power.

In another preferred embodiment, the help call system includes at least: the system comprises a positioning signal calling unit, a sound calling unit and a self-rescue escape unit, wherein the positioning signal calling unit, the sound calling unit and the self-rescue escape unit are arranged in the security isolation system.

In another preferred embodiment, the method further comprises: and the drainage system is arranged in the external isolation system and is used for draining water inside the external isolation system.

The utility model discloses owing to adopted above-mentioned technical scheme, make it compare the positive effect that has with prior art to be: by applying the utility model, a shelter capable of realizing multi-level protection is provided, which can perform corresponding use and adjustment through the environmental information acquired by the security monitoring system, so as to form a corresponding shelter effect according to the requirements of users and save the use cost; the shelter furthest prolongs the life support time of users, improves the human feeling of the users and increases the application range of the shelter.

Drawings

Figure 1 is a schematic overall view of a multi-stage shelter according to the present invention;

figure 2 is a schematic view of a security monitoring system for a multi-stage shelter according to the present invention;

figure 3 is a schematic view of a life support system for a multi-stage shelter according to the present invention;

figure 4 is a schematic view of a help calling system for a multi-level shelter according to the present invention

Figure 5 is a schematic view of the external isolation system of a multi-stage shelter of the present invention.

In the drawings:

1. an external isolation system; 2. an inner isolation system; 3. an isolator; 4. an isolation gate; 5. isolating the roof; 6. a partition wall; 7. isolating the floor; 8. an isolation window; 9. an isolation valve; 10. a drainage system; 11. a flood control trough; 12. a water outlet; 13. isolating the space; 14. an inner partition wall; 15. a heat-insulating curtain; 16. sealing the explosion-proof door; 17. an air shower; 18. a first space; 19. a second space; 20. a third space; 21. an internal temperature monitoring device; 22. an internal oxygen concentration monitoring device; 23. an internal carbon dioxide concentration monitoring device; 24. an internal toxic and harmful monitoring device; 25. an internal water level monitoring device; 26. a personnel activity monitoring device; 27. an explosive shock wave monitoring device; 28. an external temperature monitoring device; 29. an external toxic and harmful monitoring device; 30. an outside air quality monitoring device; 31. an external water level monitoring device; 32. a toilet; 33. an intelligent storage room; 34. an ice maker; 35. a drinking water unit; 36. a domestic water unit; 37. a sewage collection unit; 38. a sewage treatment unit; 39. a fresh air unit 39; 40. an oxygen supply unit; 41. a carbon dioxide adsorption unit; 42. an air conditioning device; 43. a positioning signal calling unit; 44. a voice call unit; 45. a self-rescue escape unit; 46. a closed explosion-proof escape skylight; 47. a utility power distribution system; 48. a battery powered system.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

As shown in figures 1 to 5, there is shown a multi-stage shelter according to a preferred embodiment, comprising: the system comprises a security isolation system, a security monitoring system, a life support system and a help calling system, wherein the security monitoring system, the life support system and the help calling system are all arranged in the security isolation system, and the security monitoring system is used for monitoring the inside and the outside of the security isolation system. Furthermore, the security monitoring system monitors the inside and the outside of the security isolation system to obtain corresponding environmental information, and can control the life support system to perform corresponding work adjustment according to the environmental information so as to meet the actual sheltering requirement, and can send call help information to the outside through the help call system.

Further, as a preferred embodiment, the security isolation system comprises: an outer insulation system 1 and an inner insulation system 2, the inner insulation system 2 being arranged within the outer insulation system 1.

Further, as a preferred embodiment, the external isolation system 1 at least includes: the isolation body 3, isolation door 4, isolation window 8 and skylight 46 of fleing, interior isolation system 2 sets up in the isolation body 3, is provided with isolation door 4 and isolation window 8 on the isolation body 3, and skylight 46 of fleing can set up in the top of isolation body 3 openly. Further, the insulating body 3 is preferably provided in a rectangular box structure, and the insulating door 4 operatively communicates the inside and outside of the insulating body 3; the isolation door 4 can be automatically and mechanically closed under the condition of explosion shock waves, and the isolation door 4 can also be controlled to be automatically closed after a security monitoring system monitors toxic and harmful substances.

Further, as a preferred embodiment, the separator 3 includes: the isolation structure comprises an isolation roof 5, an isolation wall 6 and an isolation floor 7, wherein the isolation roof 5 is arranged above the isolation floor 7, the isolation roof 5, the isolation wall 6 and the isolation floor 7 are sequentially connected from top to bottom to form the isolation body 3, and an isolation space 13 is formed inside the isolation roof, the isolation wall 6 and the isolation floor 7.

Further, as a preferred embodiment, the isolation roof 5, the isolation wall 6 and the isolation floor 7 are all arranged by adopting an explosion-proof heat insulation structure and are coated with an explosion-proof coating layer.

Further, as a preferred embodiment, the external isolation system 1 further includes: isolation valves 9, 9 are all set up on isolation body 3. Further, as a preferred embodiment, the insulating window 8 is an explosion-proof glass window embedded in the insulating body 3.

Further, as a preferred embodiment, the isolation valve 9 is an explosion-proof air valve. Furthermore, the corresponding closing action can be carried out when shock waves are encountered through the arrangement of the explosion-proof air valve, and the corresponding automatic opening action is carried out after the shock waves disappear.

Further, as a preferred embodiment, the method further comprises: and the drainage system 10, wherein the drainage system 10 is arranged in the external isolation system 1, and the drainage system 10 is used for draining the inside of the external isolation system 1.

Further, as a preferred embodiment, the drainage system 10 includes: flood control groove 11, drain pipe, drain pump and outlet 12, flood control groove 11 encircles the setting along the outer fringe of the interior bottom of insulator 3, and the one end of drain pipe stretches into in flood control groove 11, installs the drain pump on the drain pipe, and the other end of drain pipe is provided with a drain outlet 12, and outlet 12 passes insulator 3 and sets up.

Further, as a preferred embodiment, a liftable water baffle assembly is disposed inside the protective groove, and the water baffle assembly can rise to form an annular water baffle structure in the isolation space 13. Further, the volume of the flood control groove 11 is increased by forming the annular water retaining structure and the inner wall of the isolation space 13, so that accumulated water is prevented from overflowing the flood control groove 11.

Further, as a preferred embodiment, the drain opening 12 is provided at the outer top of the separator 3.

Further, as a preferred embodiment, an explosion-proof valve and a one-way valve are installed at the water outlet 12.

Further, as a preferred embodiment, the inner isolation system 2 at least comprises: the insulation structure comprises an insulation space 13, an inner partition wall 14, a heat insulation partition curtain 15, a sealed explosion door 16 and an air shower 17, wherein the insulation space 13 is formed in an insulation body 3, the air shower 17, the inner partition wall 14 and the heat insulation partition curtain 15 are all arranged in the insulation space 13, a first space 18, a second space 19 and a third space 20 are formed in the insulation space 13 in a separated mode, the inner partition wall 14 is arranged between the first space 18 and the second space 19, the heat insulation partition curtain 15 is arranged between the second space 19 and the third space 20, the sealed explosion door 16 is arranged on the inner partition wall 14, and the air shower 17 is arranged close to the insulation door 4. Furthermore, the inside of the isolation space 13 is divided by the arrangement of the inner partition wall 14 and the heat-insulating curtain 15, so as to form a first space 18, a second space 19 and a third space 20 which are relatively separated, wherein the first space 18 is used as an equipment room, the second space 19 is used as a working room, the third space 20 is used as a rest room, and people entering from the isolation door 4 can be cleaned correspondingly and daily through the air shower 17, and the air shower 17 is arranged in the first space 18; the sealing explosion-proof door 16 adopts a manual opening structure, and heat preservation is realized on a rest room through the heat preservation partition curtain 15; corresponding office equipment can be arranged in the workshop; protective articles and escape articles can be arranged in the equipment room; the rest room can be provided with a sofa bed to ensure the comfort of the user.

Further, as a preferred embodiment, the security monitoring system includes: the system comprises an outer monitoring system and an inner monitoring system, wherein the outer monitoring system is used for monitoring the outside of the security isolation system, and the inner monitoring system is used for monitoring the inside of the security isolation system.

Further, as a preferred embodiment, the internal monitoring system includes: interior temperature monitoring device 21, interior oxygen concentration monitoring device 22, interior carbon dioxide concentration monitoring device 23, interior poisonous and harmful monitoring device 24, interior water level monitoring device 25 and interior personnel activity monitoring device 26, interior temperature monitoring device 21, interior oxygen concentration monitoring device 22, interior carbon dioxide concentration monitoring device 23, interior poisonous and harmful monitoring device 24, interior water level monitoring device 25 and interior personnel activity monitoring device 26 all set up in security isolation system.

Further, as a preferred embodiment, the external monitoring system includes: the explosion shock wave monitoring device 27, the outer temperature monitoring device 28, the outer poisonous and harmful monitoring device 29, the outer air quality monitoring device 30 and the outer water level monitoring device 31 are arranged outside the outer isolation system 1. Further, preferably, to ensure the stable operation of the above-mentioned external monitoring system, the main body portions of the explosion shock wave monitoring device 27, the external temperature monitoring device 28, the external toxic and harmful monitoring device 29, the external air quality monitoring device 30 and the external water level monitoring device 31 are embedded in the external isolation system 1, and the detection ends of the explosion shock wave monitoring device 27, the external temperature monitoring device 28, the external toxic and harmful monitoring device 29, the external air quality monitoring device 30 and the external water level monitoring device 31 are disposed on the outer wall of the external isolation system 1.

Further, as a preferred embodiment, the life support system comprises: the system comprises a water management system, an oxygen management system and a power supply system, wherein the water management system is used for controlling water used in the security isolation system, the oxygen management system is used for controlling the oxygen content and the carbon dioxide content in the air in the security isolation system, the power supply system is used for supplying power to the shelter, and particularly, the power supply system is used for maintaining the comfortableness of shelter personnel and supplying power for graded management of a life maintenance system.

Further, as a preferred embodiment, the life support system further comprises: an intelligent supply system for supplying food, medicine, and the like.

Further, as a preferred embodiment, the method further comprises: the ice maker 34 and the fan are disposed in the insulation space 13. Further, the ice provided by ice maker 34 may be used in conjunction with a fan to provide cooling to reduce the use of air conditioning unit 42.

Further, as a preferred embodiment, a toilet 32 and an intelligent storage room 33 are disposed in the third space 20, and the intelligent supply system may be the intelligent storage room 33. Further, the intelligent storage room 33 can automatically remind the user of the relevant conditions of the stored objects by recording the information of the corresponding stored objects, such as the quantity, the quality guarantee period and the like, so that the life support time of the user is ensured to be prolonged under the severe environment.

Further, as a preferred embodiment, the water management system includes: drinking water unit 35, domestic water unit 36, sewage collection unit 37 and sewage treatment unit 38, and domestic water unit 36 can be connected with sewage collection unit 37 indirectly, and sewage collection unit 37 is connected with sewage treatment unit 38, and sewage treatment unit 38 is connected with domestic water unit 36. Further, the drinking water unit 35 is used for supplying drinking water controllably, and the domestic water unit 36, the sewage collecting unit 37 and the sewage treating unit 38 together form a recycling water device to recycle water.

Further, as a preferred embodiment, a corresponding domestic water unit 36 may be disposed in the toilet 32, and the drainage end of the toilet 32 may be connected to the sewage collecting unit 37, so as to collect and treat the sewage in the toilet 32 to circulate the domestic water.

Further, as a preferred embodiment, the drinking water unit 35 is disposed in the rest room. Further, the drinking water unit 35 has a self-cleaning function, and performs self-cleaning treatment at intervals to avoid the generation of microorganisms for a long time, and the drinking water unit 35 is further configured with functions of water volume display, shortage warning and the like, and preferably, the drinking water unit 35 is an intelligent water dispenser.

Further, as a preferred embodiment, the oxygen management system comprises: a fresh air unit 39, an oxygen supply unit 40 and a carbon dioxide adsorption unit 41. Further, through the cooperation of security monitored control system and control system, use fresh air unit 39, oxygen supply unit 40 and carbon dioxide absorption unit 41 three at least one in the adaptability to ensure the air condition in isolator 3, and preferably use fresh air unit 39, and guarantee through fresh air unit 39 that it is pressure setting in the isolator 3.

Further, as a preferred embodiment, the method further comprises: and an air conditioner 42, wherein the air conditioner 42 is arranged in the isolated space 13.

Further, as a preferred embodiment, the oxygen supply unit 40 is disposed in the equipment room, and the oxygen supply unit 40 includes: a medical oxygen tank, a pressure reducing valve, a flow meter and an oxygen supply pipeline which are connected in sequence. Further, the oxygen supply unit 40 provides the oxygen supply required by the human body when no fresh air is supplied.

Further, as a preferred embodiment, the oxygen management system further comprises: and the chemical filter unit is connected with the fresh air unit 39 and is used for filtering fresh air.

Further, as a preferred embodiment, the help calling system comprises: the positioning signal calling unit 43, the sound calling unit 44 and the self-rescue escape unit 45 are arranged in the security isolation system. Further, a location signal calling unit 43 is used for sending location information and a distress signal, a voice calling unit 44 is used for making a voice suitable for asking for help, a self-rescue escape unit 45 is a device for escape, and the control system preferentially uses the location signal calling unit 43 under automatic control, and then activates the voice calling unit 44 when the location call exceeds one day or fails.

Further, as a preferred embodiment, the positioning signal calling unit 43 includes: one or more of a wired network location calling device, a wireless network location calling device and a laser location device.

Further, as a preferred embodiment, the voice calling unit 44 includes: one or more of a sound amplification device, an electronic player and a manual gong.

Further, as a preferred embodiment, the self-rescue escape unit 45 includes: one or more of a gas mask, a protective suit, an escape tool, and a survival suit.

Further, as a preferred embodiment, the power supply system includes: a mains power distribution system 47 and a battery powered system 48. Further, the utility power distribution system 47 is used for connecting with an external power source, the utility power is shut down even in disaster, and the battery power supply system 48 is used for storing the power required for the operation of the multistage shelter.

Further, as a preferred embodiment, the battery power supply system 48 is a battery cabinet, the battery cabinet is disposed in the equipment room, and the medical oxygen tank and the battery power supply system 48 are disposed relatively far away from each other.

Further, as a preferred embodiment, a fire extinguishing device is arranged at the battery cabinet.

The above description is only an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.

The utility model discloses still have following embodiment on above-mentioned basis:

the utility model discloses a further embodiment, still include: the control system, the security monitoring system and the life support system are all in communication connection with the control system. Furthermore, the multi-level shelter can be controlled by the control system to enter different levels of shelter to meet the actual needs. Specifically, the multi-stage shelter can be controlled into three different levels of shelter, one: the quality of life is not reduced basically, and people can live normally in the device; and (2) second stage: the comfort level is reduced by proper limitation on the principle of prolonging the life support time; third-stage: the movement is limited, and the sheltering effect is ensured.

More specifically, the multi-stage shelter can enter different levels under different environmental information conditions, as follows:

when an accident occurs outdoors and conditions requiring refuge are generated, the isolation door 4 is closed instantaneously. The control system then automatically pushes the three level shelter into the shelter to ensure the safety and life support of personnel within the shelter.

The primary refuge entry conditions were: the commercial power distribution system 47 is normally connected with the commercial power, the security monitoring system monitors that the outdoor air is normal and the outdoor water level is normal, the life support system monitors that the indoor drinking water is normal and the indoor food storage is normal. The corresponding primary refuge measures are as follows: the air conditioning unit 42 is normally operated to ensure a comfortable temperature; the fresh air unit 39 is started, and the chemical filter unit is not started; the water baffle component is not lifted, and the drainage pump is not in standby operation; drinking water, food and personnel movement are not limited.

The secondary refuge entry conditions were: the commercial power distribution system 47 is externally connected with commercial power and is disconnected, and the electric quantity of the battery power supply system 48 is more than 50% of the total electric storage quantity; the security monitoring system monitors that outdoor harmful air exceeds the standard; the indoor water level rises; the life support system monitors that the indoor drinking water inventory is less than 50% and the indoor food inventory is less than 50%. The corresponding secondary refuge measures are: the air conditioning device 42 automatically adjusts the cooling temperature to 30 ℃ and does not run heating; starting the fresh air unit 39 and the chemical filter unit; the water baffle rises, and the drainage pump is started; the life support system limits the amount of water and food given and alerts for reduced exercise.

The three-level refuge entrance conditions are as follows: the battery power of the battery power supply system 48 is more than 20% and less than 50%; the battery power is less than 20%; less than 10% of drinking water and less than 10% of food. The corresponding three-level shelter measures are as follows: the air conditioning equipment is stopped, and the fresh air unit 39 and the chemical filter unit are started (when the battery power is more than 20% and less than 50%); starting an oxygen supply system (when the electric quantity of the battery is less than 20%), starting CO2 adsorption by the life support system, and adjusting the oxygen supply amount by the system according to the oxygen concentration; the life support system controls the water supply amount and the food supply amount and reminds the user to forbid the exercise.

When the outdoor accident alarm disappears, the shelter is released, the isolation door 4 is manually opened, and the isolation valve 9 is automatically opened. The control system alerts the user as appropriate to replenish the necessary refuge supplies, such as oxygen, drinking water, food, etc., in preparation for the next refuge, and so on, to complete the refuge cycle.

In a further embodiment of the present invention, the control system includes at least: a PLC control device.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims (10)

1. A multi-stage shelter, comprising: the system comprises a security isolation system, a security monitoring system, a life support system and a help calling system, wherein the security monitoring system, the life support system and the help calling system are all arranged in the security isolation system, and the security monitoring system is used for monitoring the inside and the outside of the security isolation system.

2. The multi-stage shelter of claim 1, wherein said security isolation system comprises: an outer isolation system and an inner isolation system, the inner isolation system disposed within the outer isolation system.

3. The multi-stage shelter of claim 2, wherein said external insulation system comprises at least: the isolation door and the isolation window are arranged on the isolation body, and the escape skylight can be arranged on the top of the isolation body in an openable mode.

4. The multi-stage shelter of claim 3, wherein said internal insulation system comprises at least: keep apart space, interior partition wall, heat preservation partition curtain, sealed explosion vent and wind leaching rooms, keep apart the space form in it is internal to keep apart, the wind leaching rooms the interior partition wall with the heat preservation partition curtain all set up in the isolation space, it is formed with first space, second space and third space to separate in the isolation space, the interior partition wall set up in first space with between the second space, the heat preservation partition curtain set up in the second space with between the third space, be provided with on the interior partition wall sealed explosion vent, the wind leaching rooms is close to the isolation door sets up.

5. The multi-stage shelter of claim 2, wherein said security monitoring system comprises: the system comprises an outer monitoring system and an inner monitoring system, wherein the outer monitoring system is used for monitoring the outside of the security isolation system, and the inner monitoring system is used for monitoring the inside of the security isolation system.

6. The multi-stage shelter of claim 5, wherein said internal monitoring system comprises: interior temperature monitoring device, interior oxygen concentration monitoring device, interior carbon dioxide concentration monitoring device, interior poisonous and harmful monitoring device, interior water level monitoring device and interior personnel activity monitoring device, interior temperature monitoring device interior oxygen concentration monitoring device interior carbon dioxide concentration monitoring device interior poisonous and harmful monitoring device interior water level monitoring device with interior personnel activity monitoring device all set up in the security isolation system.

7. The multi-stage shelter of claim 5, wherein said external monitoring system comprises: the device comprises an explosion shock wave monitoring device, an outer temperature monitoring device, an outer poisonous and harmful monitoring device, an outer air quality monitoring device and an outer water level monitoring device, wherein the explosion shock wave monitoring device, the outer temperature monitoring device, the outer poisonous and harmful monitoring device, the outer air quality monitoring device and the outer water level monitoring device are arranged outside an outer isolation system.

8. The multi-stage shelter of claim 1, wherein said life support system comprises at least: the water management system is used for controlling water consumption in the security isolation system, the oxygen management system is used for controlling the oxygen content and the carbon dioxide content of air in the security isolation system, and the power supply system is used for supplying power.

9. The multi-level shelter of claim 1, wherein said help call system comprises at least: the system comprises a positioning signal calling unit, a sound calling unit and a self-rescue escape unit, wherein the positioning signal calling unit, the sound calling unit and the self-rescue escape unit are all arranged in the security isolation system.

10. The multi-stage shelter of claim 2, further comprising: and the drainage system is arranged in the external isolation system and is used for draining water inside the external isolation system.

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