CN115675027B - Working cabin, control method and fire engineering vehicle - Google Patents
Working cabin, control method and fire engineering vehicle Download PDFInfo
- Publication number
- CN115675027B CN115675027B CN202211469004.5A CN202211469004A CN115675027B CN 115675027 B CN115675027 B CN 115675027B CN 202211469004 A CN202211469004 A CN 202211469004A CN 115675027 B CN115675027 B CN 115675027B
- Authority
- CN
- China
- Prior art keywords
- cabin
- cabins
- pressure
- working
- pressure value
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000001105 regulatory effect Effects 0.000 claims abstract description 42
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 230000001276 controlling effect Effects 0.000 claims abstract description 17
- 230000002829 reductive effect Effects 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 50
- 239000000126 substance Substances 0.000 claims description 9
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 34
- 231100000719 pollutant Toxicity 0.000 abstract description 34
- 230000008569 process Effects 0.000 abstract description 15
- 238000004140 cleaning Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 6
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
- 238000005202 decontamination Methods 0.000 description 16
- 230000003588 decontaminative effect Effects 0.000 description 16
- 108010066057 cabin-1 Proteins 0.000 description 12
- 239000003440 toxic substance Substances 0.000 description 9
- 231100000614 poison Toxicity 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000007689 inspection Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 4
- 230000007306 turnover Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 231100000167 toxic agent Toxicity 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Ventilation (AREA)
Abstract
The invention relates to the technical field of vehicles, and provides a working cabin, a control method and a fire engineering vehicle. The working cabin comprises a cabin body, a fan, a filtering device, a pressure regulating component and a pressure regulating component, wherein at least two cabins are arranged in the cabin body, the fan is connected with the cabins and used for supplying air to the cabins, the filtering device is connected with the fan and used for filtering air, the pressure regulating component is connected with the cabin body and used for controlling the pressure value in each cabin, when the pressure regulating component is in a first working mode, all cabins are in a positive pressure state, the pressure of each cabin is reduced, when the pressure regulating component is in a second working mode, part of cabins are in a positive pressure state, and when the number of cabins in the positive pressure state is larger than one, the pressure of each cabin is reduced. Because the pressure gradient is arranged between the cabins, the air mixed with pollutants in the downstream cabin can not reversely flow into the upstream cabin, and the defect that pollutants in the cleaning room easily enter the laboratory in the cabin returning process of operators in the prior art is overcome.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a working cabin, a control method and a fire engineering vehicle.
Background
Fire engineering vehicles such as detection vehicles generally need to enter toxic environments such as nuclear radiation pollution, chemical pollution or biological pollution for operation, and in order to ensure the safety of personnel on the fire engineering vehicles, the fire engineering vehicles are generally provided with a positive filter-poison filtering system for preventing toxic gases and the like outside the vehicles from entering the vehicles.
The detection vehicle in the prior art generally comprises a working cabin and a vehicle chassis, wherein the working cabin is arranged on the vehicle chassis, and the vehicle chassis is used for running. Wherein, the working cabin can be divided into a plurality of cabins by using a partition board. The working cabin is provided with a positive pressure toxin filtering system, and generally comprises a fan and a filtering device. The air inlet of the fan is connected with the filtering device, and the air outlet is communicated with each cabin, so that the filtered air is introduced into the cabin, and the cabin is kept in a positive pressure state.
As described above, the working cabin of the detection vehicle in the prior art is provided with a plurality of cabins, for example, some cabins are used as clean rooms for operators to clean, and some cabins are used as laboratories for operators to perform inspection and analysis. The actual operation flow can be that the operator firstly enters a clean room for cleaning after returning to the vehicle from the site, so as to avoid pollutant residues, and then enters a laboratory for inspection and analysis operation. Because the positive pressure in each cabin is basically the same, pollutants in the clean room easily enter the laboratory in the cabin returning process of operators, so that the laboratory is polluted, and potential safety hazards exist.
Disclosure of Invention
The invention provides a working cabin, a control method and a fire engineering vehicle, which are used for solving the defect that pollutants in a clean room easily enter a laboratory in the cabin returning process of operators in the prior art and realizing the effect of avoiding the pollutants in the clean room from entering the laboratory.
The invention provides a working cabin, which is applied to a fire engineering vehicle and comprises:
the cabin body is internally provided with at least two cabins;
The fan is connected with the cabin and is used for supplying air to the cabin;
The filtering device is connected with the fan and used for filtering air;
the pressure adjusting assembly is connected with the cabin body and used for controlling the pressure value in each cabin;
The pressure regulating assembly is provided with a first working mode and a second working mode, when the pressure regulating assembly is in the first working mode, all cabins are in a positive pressure state, the pressure of each cabin is reduced, when the pressure regulating assembly is in the second working mode, part of cabins are in the positive pressure state, and when the number of cabins in the positive pressure state is larger than one, the pressure of each cabin is reduced.
According to the working cabin provided by the invention, the pressure regulating assembly comprises a control valve, at least two cabins are connected in series through the corresponding control valves to form an air passage, the control valve is used for connecting and disconnecting the air passages of the two connected cabins, the fan is connected with the cabins connected in series at the head end, and the control valve is configured to be opened when the pressure value of the cabin connected with the inlet end of the control valve is greater than or equal to a preset pressure value, otherwise, the control valve is closed;
the preset pressure value of each cabin connected in series gradually decreases along the air flow travelling direction;
Wherein, when all the control valves are opened, the pressure regulating assembly is in a first working mode, the pressure regulating assembly is in a second mode of operation when a portion of the control valve is open.
According to the working cabin provided by the invention, the pressure regulating assembly comprises the control valve, each cabin is connected with the fan through the corresponding control valve, and the control valve is used for regulating the air inlet quantity of the corresponding cabin;
Wherein, when all the control valves are opened, the pressure regulating assembly is in a first working mode, the pressure regulating assembly is in a second mode of operation when a portion of the control valve is open.
According to the working cabin provided by the invention, the working cabin further comprises a first detection device and a first control module, wherein the first detection device is used for detecting the pressure value in the cabin, the first detection device and the control valve are both connected with the first control module, and the first control module controls the control valve to be opened and closed based on the pressure value detected by the first detection device.
According to the working cabin provided by the invention, a plurality of first control modules are arranged, the first detection devices are respectively connected with the corresponding first control modules, or the first control modules are arranged in one, and each first detection device is connected with the first control module.
According to the working cabin provided by the invention, the control valve is a pneumatic overflow valve.
According to the working cabin provided by the invention, the working cabin further comprises a second detection device and a second control module, wherein the second detection device is used for detecting the content of harmful substances in the air in the cabin, the second detection device and the fan are both connected with the second control module, and the second control module controls the fan to be closed when determining that the content of the harmful substances in the air exceeds a threshold value.
According to the working cabin provided by the invention, the working cabin further comprises an alarm, wherein the alarm is connected with the second control module, and the second control module controls the alarm to alarm when determining that the content of harmful substances in the air exceeds a threshold value.
The invention also provides a working cabin control method for controlling the pressure value of the cabin of the working cabin, which comprises the following steps:
Controlling the fan to supply air into the cabin;
Acquiring a pressure value in the cabin;
When the pressure value is determined to be greater than or equal to a preset pressure value, controlling a control valve corresponding to the cabin to be opened, otherwise, controlling the control valve to be closed, and enabling the pressure value of each cabin at least partially in a positive pressure state and in the positive pressure state to be decreased through a first working mode or a second working mode;
At least two cabins are connected in series through corresponding control valves to form an air path, and the fan is connected with the cabins connected in series at the head end, or each cabin is connected with the fan through corresponding control valves.
The invention also provides a fire engineering vehicle, which comprises a chassis and the working cabin, wherein the working cabin is arranged on the chassis.
According to the fire engineering vehicle provided by the invention, the cab is arranged on the chassis, and the cabin connected with the fan is connected with the cab through the switch valve.
According to the invention, the cabin comprises a command room, a laboratory and a clean room.
According to the working cabin provided by the invention, the pressure gradient can be formed between the cabins through the pressure regulating component, for example, in the actual use process, the pressure value of the clean room is smaller than that of the laboratory, and because the pressure difference exists between the clean room and the laboratory, the air flow in the laboratory can only flow to the clean room, but the air flow in the clean room cannot reversely flow to the laboratory, and therefore, pollutants in the clean room cannot enter the laboratory.
So set up, make and form the pressure gradient through pressure adjusting component between the cabin, can make personnel's business turn over frequency high or by the pressure value in the cabin that the pollutant entering probability is high be less than personnel's business turn over frequency low or by the pressure value in the cabin that the pollutant entering probability is low, like this because have the pressure gradient between the cabin for the air that mixes the pollutant in the cabin that the pressure value is little can not reverse flow enter into the cabin that the pressure value is high, solved among the prior art operating personnel and returned the defect that the pollutant in the cabin in the clean room entered into the laboratory easily.
In addition, the pressure regulating component is provided with a first working mode and a second working mode, and the working mode of the pressure regulating component can be changed according to the actual use quantity of cabins in the actual working process, so that the working cabin is more flexible to use, and in the second working mode, the energy consumption of a fan can be reduced, and the effects of energy conservation and emission reduction are achieved.
Furthermore, the working normal control method provided by the invention can enable the pressure value of the cabin with high personnel access frequency or high probability of entering pollutants to be smaller than the pressure value of the cabin with low personnel access frequency or low probability of entering pollutants to be formed by forming the pressure gradient between the cabins, so that the air mixed with the pollutants in the cabin with small pressure value can not reversely flow into the cabin with high pressure value due to the pressure gradient between the cabins, and the defect that the pollutants in the clean room are easy to enter the laboratory in the cabin returning process of the operators in the prior art is overcome.
Furthermore, the fire engineering vehicle provided by the invention comprises the working cabin, so that all the advantages of the working cabin are simultaneously contained.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of a construction of a fire engineering vehicle provided in some embodiments of the present invention;
FIG. 2 is a schematic view of the internal structure of a nacelle provided in some embodiments of the invention;
fig. 3 is a schematic view of an airflow path within a working chamber provided in some embodiments of the invention.
Reference numerals:
1. Cabin body, control valve, 3, fan, 4, command room, 5, laboratory, 6, shower room, 7, decontamination room, 8, equipment room, 9, sealing door, 10, air duct, 11, chassis, 12, cab, 13, switch valve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the prior art, a plurality of cabins are arranged in a working cabin of a detection vehicle, for example, some cabins are used as clean rooms for operators to clean, and some cabins are used as laboratories for the operators to carry out inspection and analysis. The actual operation flow can be that an operator firstly enters a clean room for cleaning after returning to the vehicle from the site, so that pollutant residues are avoided, and then enters a laboratory for inspection operation. Because the positive pressure in each cabin is basically the same, pollutants in the clean room easily enter the laboratory in the cabin returning process of operators, so that the laboratory is polluted, and potential safety hazards exist. In order to solve or improve the problem that pollutants in a clean room easily enter a laboratory in the cabin returning process of operators in the prior art and achieve the effect of avoiding the pollutants in the clean room from entering the laboratory, the embodiment of the invention provides a working cabin, a control method and a fire engineering vehicle.
The working chamber provided in the embodiment of the present invention is described below with reference to fig. 1 to 3.
Specifically, the working cabin comprises a cabin body 1, a fan 3, a filtering device and a pressure regulating assembly.
Wherein, the inside of the cabin body 1 is provided with at least two cabins. For example, the cabin 1 may be a container structure. At least two cabins can be separated in the cabin body 1 through a partition plate.
The air inlet of the fan 3 is connected with the cabin body 1 and is used for supplying air to the cabin. The filter device is connected with the fan 3 for filtering air. For example, the filter device may be provided at the air inlet or the air outlet of the blower 3. The type of the filtering device can be set according to the types of toxic substances which are actually required to be filtered, and the application does not relate to the improvement of the filtering device and is not repeated.
The pressure regulating assembly is connected with the cabin body and is used for controlling the pressure value in each cabin. Wherein the pressure regulating assembly has a first mode of operation and a second mode of operation. When the pressure regulating assembly is in the first mode of operation, all of the chambers are in a positive pressure condition and the pressure value of each chamber is decremented. When the pressure regulating assembly is in the second mode of operation, a portion of the chambers are in a positive pressure state, and when the number of chambers in the positive pressure state is greater than one, the pressure value of each chamber is decremented.
According to the working cabin provided by the embodiment of the invention, the pressure gradient can be formed between the cabins through the pressure regulating component, for example, in the actual use process, the pressure value of the clean room is smaller than that of the laboratory, and because the pressure difference exists between the clean room and the laboratory, the air flow in the laboratory can only flow to the clean room, but the air flow in the clean room cannot reversely flow to the laboratory, and therefore pollutants in the clean room cannot enter the laboratory.
So set up, make and form the pressure gradient through pressure adjusting component between the cabin, can make personnel's business turn over frequency high or by the pressure value in the cabin that the pollutant entering probability is high be less than personnel's business turn over frequency low or by the pressure value in the cabin that the pollutant entering probability is low, like this because have the pressure gradient between the cabin for the air that mixes the pollutant in the cabin that the pressure value is little can not reverse flow enter into the cabin that the pressure value is high, solved among the prior art operating personnel and returned the defect that the pollutant in the cabin in the clean room entered into the laboratory easily.
In addition, the pressure regulating component is provided with a first working mode and a second working mode, and the working mode of the pressure regulating component can be changed according to the actual use quantity of cabins in the actual working process, so that the working cabin is more flexible to use, and in the second working mode, the energy consumption of a fan can be reduced, and the effects of energy conservation and emission reduction are achieved.
In some embodiments provided by the present invention, the pressure regulating assembly includes a control valve 2. At least two cabins are connected in series through corresponding control valves 2 to form a gas circuit, and the control valves 2 are used for connecting and disconnecting the gas circuits of the two cabins.
The air outlet of the fan 3 is connected with the cabins connected in series at the head end, so that the air flow provided by the fan 3 can flow through each cabin arranged in series in sequence.
The control valve 2 is configured such that the control valve 2 is opened when the pressure value in the cabin connected to the inlet end of the control valve 2 is greater than or equal to a preset pressure value, otherwise the control valve 2 is closed. The preset pressure value of each compartment connected in series gradually decreases in the direction of travel of the air flow. The pressure value in the cabin being greater than or equal to the preset pressure value means that the pressure value of the cabin may be maintained within a preset pressure interval.
The pressure regulating assembly is in a first mode of operation when all of the control valves are open and in a second mode of operation when a portion of the control valves are open.
In this way, at least two cabins are connected in series through the corresponding control valve 2, and air filtered by the filtering device is led into the cabin connected in series at the head end through the fan 3. When the pressure value in the cabin connected in series at the head end is greater than or equal to the preset pressure value, the control valve 2 connected in series between the cabin at the head end and the adjacent downstream cabin is opened, and air enters the adjacent downstream cabin from the cabin at the head end through the control valve 2. Based on the above principle, filtered air is sequentially introduced into each of the chambers in series, and since the preset pressure value of each chamber is sequentially reduced in the direction of air flow, a pressure gradient can be formed between the chambers in series. In addition, since the control valve 2 is closed when the pressure value in the cabin connected to the inlet end of the control valve 2 is smaller than the preset pressure value, after the cabin is depressurized, the control valve 2 that the depressurized cabin is opened to the downstream cabin is closed, so that the pollutant in the depressurized cabin can be prevented from flowing to the downstream cabin, and the safety of the downstream cabin can be improved.
Alternatively, the control valve 2 may be a pneumatic relief valve. By setting the pressure relief pressure value of the pneumatic overflow valve, the corresponding cabin can reach the preset pressure value. The pneumatic overflow valve is automatically opened and closed in response to the pressure value of the inlet end, and the control system of the working cabin can be simplified without the control of a controller.
Of course, the control valve 2 is not limited to the pneumatic relief valve. Alternatively, the control valve 2 may also be an electrically operated valve. For example, the control valve 2 may be an electromagnetically driven electric valve or an electric valve driven by a motor. Specifically, the working cabin further comprises a first detection device and a first control module. The first detection means is for detecting a pressure value of the cabin, for example the first detection means may be a pressure sensor. For example, a first detection device is provided in each of the compartments in the series. The first control module may be a controller. The first detection device and the control valve 2 are both connected with a first control module. The first control module controls the opening and closing of the control valve based on the pressure value detected by the first detection device. That is, the first control module controls the control valve 2 corresponding to the first detection device to be opened when determining that the pressure value detected by the first detection device is greater than or equal to the preset pressure value, and controls the control valve 2 corresponding to the first detection device to be closed when determining that the pressure value detected by the first detection device is less than the preset pressure value. Further, the first control module controls all control valve actions when the pressure regulating assembly is in the first working mode, and only controls part of the control valve actions when the pressure regulating assembly is in the second working mode. By the arrangement, the automation degree of the working cabin can be improved.
Of course, at least two chambers are not limited to the form of gas paths formed by the serial connection of the corresponding control valves 2. For example, in other embodiments provided herein, the pressure regulating valve comprises a control valve. Each cabin is connected with the fan through a corresponding control valve, and each control valve is used for adjusting the air inlet quantity of the corresponding cabin. The pressure regulating assembly is in a first mode of operation when all of the control valves are open and in a second mode of operation when a portion of the control valves are open. In this way, the pressure gradient between at least two chambers is established without the individual chambers being influenced by one another, for example without the pressure build-up in the other chambers being influenced by failure of one or more control valves.
Further, the control valve is an electric valve. For example, the control valve may be an electrically operated valve driven by an electromagnetic motor or an electrically operated valve driven by a motor. Specifically, the working cabin further comprises a first detection device and a first control module. The first detection means is for detecting a pressure value of the cabin, for example the first detection means may be a pressure sensor. For example, a first detection device is provided in each compartment. The first control module may be a controller. The first detection device and the control valve are both connected with the first control module. The first control module controls the opening and closing of the control valve based on the pressure value detected by the first detection device. The first control module controls the control valve corresponding to the first detection device to be opened when the pressure value detected by the first detection device is determined to be larger than or equal to a preset pressure value, and controls the control valve corresponding to the first detection device to be closed when the pressure value detected by the first detection device is determined to be smaller than the preset pressure value. Further, the first control module controls all control valve actions when the pressure regulating assembly is in the first working mode, and only controls part of the control valve actions when the pressure regulating assembly is in the second working mode. By the arrangement, the automation degree of the working cabin can be improved.
In some embodiments of the present invention, a plurality of first control modules are provided, and the first detection devices are respectively connected with the corresponding first control modules. Of course, the first control module may also be provided as one, and each first detection device is connected to the first control module.
In some embodiments of the present invention, the nacelle further comprises a second detection device and a second control module. The second detection device is used for detecting the content of harmful substances in the air in the cabin. The second detection device and the fan 3 are both connected with a second control module, and the second control module controls the fan 3 to be turned off when determining that the toxic substance content in the air exceeds a threshold value.
Specifically, in the case of the chambers connected in series by the control valve 2, the second detection device may be provided only in the chamber connected in series at the head end. Because the cabin in series connection at the head end is directly connected with the air outlet of the fan 3, when the air flow of the fan 3 enters the cabin at the head end first, when the content of toxic substances in the air in the cabin in series connection at the head end exceeds a threshold value, the filtering device is indicated to be incapable of effectively filtering the toxic substances in the outside air, and the fan 3 is controlled to be closed so as to avoid more toxic substances entering the cabin. For the case that each cabin is connected with the fan through the corresponding control valve, a second detection device is arranged in each cabin connected with the fan, and controls the blower 3 to be turned off when it is determined that the toxic substance content in each compartment exceeds the threshold value. When the toxic substance content in each cabin exceeds the threshold value, the filtering device is not capable of effectively filtering toxic substances in the outside air, and the fan 3 is controlled to be turned off so as to prevent more toxic substances from entering the cabin.
Further, the working cabin also comprises an alarm. The alarm is connected with the second control module, and the second control module controls the alarm to alarm when determining that the content of harmful substances in the air exceeds a threshold value so as to remind an operator.
Alternatively, the first control module and the second control module may be provided integrally, for example, the first control module and the second control module are integrated as a cabin controller.
Further, an alarm is arranged in each cabin, and each alarm is connected with the first control module. When the cabins form pressure gradient, namely after the corresponding control valve is opened, if the pressure value in any cabin is lower than a preset pressure value, the first control module controls the corresponding alarm to alarm. And when the pressure value in the cabin is larger than or equal to the preset pressure value, the first control module controls the corresponding alarm to release the alarm. Therefore, the problem of pressure loss of the cabin of the operator can be reminded, and the cabin of the operator needs to be treated in time and is protected. Alternatively, the alarm may be an audible and visual alarm.
The embodiment of the invention also provides a control method of the working cabin, which is used for controlling the pressure value of the cabin of the working cabin.
Specifically, the cabin control method includes:
And firstly, controlling the fan to supply air into the cabin. Specifically, the fan may be started by a controller or manually. Wherein the fan is connected with the cabin and the fan is connected with the filter device so that the filter device can filter the air flow driven by the fan.
And step two, acquiring the pressure value in the cabin. Specifically, the pressure value in the cabin can be obtained through the first detection device, and each cabin is internally provided with the first detection device.
And thirdly, when the pressure value is determined to be greater than or equal to the preset pressure value, the control valve corresponding to the control cabin is opened, otherwise, the control valve is closed, and the pressure value of each cabin at least of which is in a positive pressure state and in the positive pressure state is decreased through the first working mode or the second working mode. In the first operating mode all control valves 2 are open and in the second operating mode part of the control valves 2 are open. Specifically, the control process of the control valve may be implemented by the first control module described above, and the content thereof is the same as that in the above description process, which is not repeated.
At least two cabins are connected in series through corresponding control valves 2 to form a gas circuit, and a fan 3 is connected with the cabins connected in series at the head end. Or each cabin is connected with the fan 3 through a corresponding control valve respectively. The details of both schemes herein may be further referred to above for the corresponding parts of the working chamber.
According to the working cabin control method provided by the embodiment of the invention, the pressure gradient can be formed between cabins, for example, in the actual use process, the pressure value of the clean room is smaller than that of the laboratory, and because the pressure difference exists between the clean room and the laboratory, the air flow in the laboratory can only flow to the clean room, but the air flow in the clean room cannot reversely flow to the laboratory, and therefore pollutants in the clean room cannot enter the laboratory.
By means of the arrangement, the pressure gradient is formed between the cabins, the pressure value of the cabin with high personnel access frequency or high pollutant access probability is smaller than the pressure value of the cabin with low personnel access frequency or low pollutant access probability, and therefore air mixed with pollutants in the cabin with small pressure value cannot reversely flow into the cabin with high pressure value due to the pressure gradient between the cabins, and the defect that in the prior art, the pollutants in the clean room easily enter a laboratory in the cabin returning process of an operator is overcome.
Referring to fig. 1-3, a fire engineering vehicle is further provided in an embodiment of the present invention.
Specifically, the fire engineering vehicle includes the chassis 11 and the working cabin as described above. The working chamber is arranged on the chassis 11.
It should be noted that the fire engineering vehicle includes the working cabin, and all the advantages of the working cabin are also included, which is not described herein.
Meanwhile, it should be noted that the fire engineering vehicle includes, but is not limited to, a detection vehicle.
In some embodiments of the invention, the chassis 11 is provided with a cab 12. The cabin connected to the blower 3 is connected to the cab 12 through the on-off valve 13. For example, the cabin connected to the blower 3 may be a cabin connected in series to the head end. The air flow provided by the fan 3 to the cabin connected in series at the head end can enter the cab 12 through the switch valve 13, so that positive pressure is generated in the cab 12, and pollutants are prevented from entering the cab 12.
For example, the switch valve 13 may be an electric valve, and the switch valve 13 may be connected to the first control module, and the first control module controls the switch valve 13 to open and close. For example, after at least one control valve 2 of the series of compartments is opened, the first control module controls the on-off valve 13 to be opened. By controlling the valve opening of the on-off valve 13, the pressure in the cab 12 can be controlled. For example, the pressure in the cab 12 is 50pa to 100pa. For example, the on-off valve 13 may be an electrically operated valve driven by an electromagnetic force or an electrically operated valve driven by a motor.
In some embodiments provided by the present invention, the cabin comprises a command room 4, a laboratory 5, and a clean room.
In some embodiments provided by the present invention, the command room 4, laboratory 5 and clean room are connected in series in sequence by corresponding control valves 2 to form a gas path. The command room 4 is connected with the air outlet of the fan 3. Sealing doors 9 are arranged between the laboratory 5 and the clean room, between the clean room and the outside of the cabin 1 and between the command room 4 and the outside of the cabin 1.
The command room 4 can be used as an on-site command place and is integrated with the whole vehicle equipment operation port of the fire engineering vehicle. Personnel in the command room 4 can enter and exit from the sealing door 9 between the command room 4 and the outside of the cabin 1. Optionally, a sealing door 9 may also be provided between the command room 4 and the laboratory 5. The laboratory 5 can be provided with a glove box and various detection instruments, such as various professional instruments and equipment for nuclear, biochemical and the like. A shower device can be arranged in the cleaning chamber for cleaning by operators.
In this way, the air flow provided by the fan 3 sequentially enters the command room 4, the laboratory 5 and the clean room, and as the preset pressure values of the command room 4, the laboratory 5 and the clean room are sequentially reduced, a pressure gradient with gradually reduced pressure can be formed among the command room 4, the laboratory 5 and the clean room, so that pollutants in the cabin returning process of operators can not enter the laboratory 5 and the command room 4 from the clean room.
In some embodiments of the invention, the clean room is connected to the outside of the cabin 1 through a corresponding control valve 2, so that the control valve 2 can be used to bring the clean room to a preset pressure value.
Of course, the clean room is not limited to the external connection to the cabin 1 through the control valve 2. For example, in other embodiments provided by the present invention, the cabin further comprises an equipment room 8. The clean room is connected with the equipment room 8 through the control valve 2. A cabin door is arranged between the equipment room 8 and the outer side of the cabin body 1. Although the equipment room 8 is not normally required to be sealed, by connecting the control valve 2 to the equipment room 8 and the clean room, the air flow discharged from the clean room can be reused so that the equipment room 8 also has a certain positive pressure, and thus, the entry of pollutants into the equipment room 8 can be avoided. Alternatively, the equipment room 8 may be used for placement of an unmanned aerial vehicle, a robot, or a portable detector.
In some embodiments of the present invention, the command room 4 is disposed at the front end of the cabin 1, the equipment room 8 is disposed at the rear end of the cabin 1, the laboratory 5 and the clean room are disposed between the command room 4 and the equipment room 8, and the laboratory 5 and the clean room are disposed on both sides of the cabin 1, respectively. A transfer structure is arranged between the laboratory 5 and the equipment room 8.
Through setting up the equipment room 8 in the rear end of the cabin body 1 for the hatch door of equipment room 8 can be seted up at the rear portion of the cabin body 1, so can be under the prerequisite that does not influence other cabins, increase the area of hatch door, so that equipment and equipment in the equipment room 8 come in and go out equipment room 8. Set up transfer structure between laboratory 5 and equipment room 8 for after robot or unmanned aerial vehicle sample returned equipment room 8, can be in equipment room 8 through transfer structure input to the glove box of laboratory 5 in, so that the operating personnel need not to take a sample out of the cabin nor need to contact with the sample. For example, the transfer structure may be a transfer bucket, which passes from the equipment room 8 through a partition between the equipment room 8 and the laboratory 5 and communicates with a glove box of the laboratory 5, and is hermetically connected to the partition and the transfer bucket. By arranging the laboratory 5 between the command room 4 and the equipment room 8, the laboratory 5 and the command room 4 are convenient for people to flow, for example, people in the laboratory 5 report experimental results to people in the command room 4 at any time, and sample transfer between the laboratory 5 and the equipment room 8 is also enabled. The laboratory 5 and the clean room are arranged on both sides of the cabin 1 so that the person returning to the cabin can enter the clean room for cleaning before entering the laboratory 5 for operation.
In some embodiments provided by the present invention, the clean room comprises a decontamination chamber 7 and a shower enclosure 6 connected by a control valve 2. The shower cubicle 6 is connected to the laboratory 5 via a corresponding control valve 2, and the decontamination chamber 7 can be connected to the equipment cubicle 8 via a corresponding control valve 2 or to the outside of the cabin 1. Sealing doors are arranged between the decontamination chamber 7 and the shower room 6, between the shower room 6 and the laboratory 5 and between the decontamination chamber 7 and the outer side of the cabin body 1.
In which decontamination chamber 7 can be arranged a decontamination nozzle for decontaminating the operators wearing the protective clothing. The shower enclosure 6 may be provided with a shower head for decontaminating the skin of the operator. The operator returning to the cabin enters the decontamination chamber 7 for decontamination, enters the shower room 6 for flushing, and finally enters the laboratory 5 for operation.
Alternatively, the shower cubicle 6 and the decontamination cubicle 7 are arranged in sequence along the length of the cabin 1, i.e. the shower cubicle 6 is close to the command cubicle 4 and the decontamination cubicle 7 is close to the equipment cubicle 8.
Optionally, as shown in fig. 3, the cabin further comprises an air duct 10. Among the chambers connected in series, at least one chamber is provided with an air duct 10, the air duct 10 is connected with the outlet end of the control valve 2, and the air outlet of the air duct 10 extends in a direction away from the control valve 2. By arranging the air duct 10 in the cabin, the ventilation effect in the cabin can be improved, the cabin can be ventilated uniformly, and dead angles, which exist in the cabin and cannot be reached by airflow, are reduced.
Further, since personnel in the command room 4 do not need to leave the cabin, absolute safety of the command room 4 needs to be ensured, and the safety level is highest, so that the preset pressure value of the command room 4 is highest, for example, the preset pressure value of the command room 4 is 200 pa-300 pa. Personnel in the laboratory 5 may need to get off the vehicle and perform inspection and analysis of the sample, so that the laboratory 5 is at risk of being polluted, and the safety level is 4 times higher than that of the command room, for example, the preset pressure value in the laboratory 5 is 150 pa-200 pa. The shower room 6 is a transition buffer zone between the decontamination chamber 7 and the laboratory 5, and the pressure is set to be lower than the laboratory 5, for example, the preset pressure value of the shower room 6 is 100 pa-150 pa. The decontamination chamber 7 is a pollution area, and in order to prevent pollutants from entering the shower room 6, the pressure of the decontamination chamber 7 should be lower than that of the shower room 6, for example, the preset pressure value of the decontamination chamber 7 is 50pa to 100pa. That is, as shown in fig. 3, the air flow provided by the fan 3 sequentially passes through the command room 4, the laboratory 5, the shower room 6, the decontamination room 7 and the equipment room 8, and the pressure values in the five cabins sequentially decrease to form a pressure gradient.
It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiments of the present invention.
Claims (12)
1. A cabin for a fire engineering vehicle, comprising:
The cabin body (1) is internally provided with at least two cabins;
a fan (3) connected with the cabin and used for supplying air to the cabin;
The filtering device is connected with the fan (3) and is used for filtering air;
the pressure adjusting assembly is connected with the cabin body and used for controlling the pressure value in each cabin;
The pressure regulating assembly is provided with a first working mode and a second working mode, when the pressure regulating assembly is in the first working mode, all cabins are in a positive pressure state, the pressure of each cabin is reduced, when the pressure regulating assembly is in the second working mode, part of cabins are in the positive pressure state, and when the number of cabins in the positive pressure state is larger than one, the pressure of each cabin is reduced;
The pressure regulating assembly comprises control valves (2), at least two cabins are connected in series through the corresponding control valves (2) to form an air passage, the control valves (2) are used for connecting and disconnecting the air passages of the two connected cabins, the fan (3) is connected with the cabins connected in series at the head end, the control valves (2) are configured to be opened when the pressure value of the cabins connected with the inlet ends of the control valves (2) is larger than or equal to a preset pressure value, and otherwise, the control valves (2) are closed.
2. Working chamber according to claim 1, characterized in that the preset pressure value of each of the chambers connected in series is gradually reduced along the direction of travel of the air flow;
Wherein the pressure regulating assembly is in a first operating mode when all of the control valves (2) are open, and in a second operating mode when part of the control valves (2) are open.
3. Working chamber according to claim 1, characterized in that the pressure regulating assembly comprises control valves, each of which is connected to the fan (3) respectively by means of a corresponding control valve for regulating the intake of the corresponding chamber;
Wherein the pressure regulating assembly is in a first operating mode when all of the control valves (2) are open, and in a second operating mode when part of the control valves (2) are open.
4. A working compartment according to claim 2 or 3, further comprising a first detection device for detecting a pressure value in the compartment and a first control module, both the first detection device and the control valve (2) being connected to the first control module, the first control module controlling the opening and closing of the control valve based on the pressure value detected by the first detection device.
5. The nacelle of claim 4, wherein a plurality of first control modules are provided, the first detection devices are respectively connected with the corresponding first control modules, or one first control module is provided, and each first detection device is connected with the first control module.
6. Working chamber according to claim 2, characterized in that the control valve (2) is a pneumatic relief valve.
7. A working compartment according to any one of claims 1-3 or 6, further comprising a second detection device for detecting the content of harmful substances in the air in the compartment and a second control module, both of which are connected to the second control module, which controls the fan (3) to be turned off when it is determined that the content of harmful substances in the air exceeds a threshold value.
8. The nacelle of claim 7, further comprising an alarm coupled to the second control module, the second control module controlling the alarm to alarm when it is determined that the content of harmful substances in the air exceeds a threshold.
9. A cabin control method for controlling a cabin pressure value of the cabin, the method comprising:
Controlling the fan to supply air into the cabin;
Acquiring a pressure value in the cabin;
When the pressure value is determined to be greater than or equal to a preset pressure value, controlling a control valve corresponding to the cabin to be opened, otherwise, controlling the control valve to be closed, and enabling the pressure value of each cabin which is at least partially in a positive pressure state and is in the positive pressure state to be decreased through a first working mode or a second working mode;
At least two cabins are connected in series through corresponding control valves (2) to form an air path, and the fan (3) is connected with the cabins connected in series at the head end, or each cabin is connected with the fan (3) through corresponding control valves.
10. A fire engineering vehicle, characterized by comprising a chassis (11) and a working cabin according to any one of claims 1-8, which working cabin is arranged on the chassis (11).
11. Fire engineering vehicle according to claim 10, characterized in that the chassis (11) is provided with a cab (12), the cabin connected to the fan (3) being connected to the cab (12) via an on-off valve.
12. The fire engineering vehicle of claim 10, wherein the cabin comprises a command room, a laboratory, and a clean room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211469004.5A CN115675027B (en) | 2022-11-22 | 2022-11-22 | Working cabin, control method and fire engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211469004.5A CN115675027B (en) | 2022-11-22 | 2022-11-22 | Working cabin, control method and fire engineering vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115675027A CN115675027A (en) | 2023-02-03 |
| CN115675027B true CN115675027B (en) | 2024-12-17 |
Family
ID=85056579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211469004.5A Active CN115675027B (en) | 2022-11-22 | 2022-11-22 | Working cabin, control method and fire engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115675027B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215333767U (en) * | 2021-04-28 | 2021-12-28 | 神华神东煤炭集团有限责任公司 | Hydraulic system of explosion-proof electric emergency rescue vehicle |
| CN114099194A (en) * | 2021-10-25 | 2022-03-01 | 北京机械设备研究所 | Positive pressure isolation cabin |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090208346A1 (en) * | 2008-02-15 | 2009-08-20 | Mcloughlin John E | System and method of controlling pump pressure |
| CN110789432B (en) * | 2019-11-08 | 2023-12-29 | 北京市软银科技开发有限责任公司 | Medical decontamination integrated nuclear rescue vehicle and rescue method |
| CN113314245A (en) * | 2021-04-22 | 2021-08-27 | 中国辐射防护研究院 | Nuclear rescue protection vehicle for quick evacuation, decontamination and rescue method |
-
2022
- 2022-11-22 CN CN202211469004.5A patent/CN115675027B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215333767U (en) * | 2021-04-28 | 2021-12-28 | 神华神东煤炭集团有限责任公司 | Hydraulic system of explosion-proof electric emergency rescue vehicle |
| CN114099194A (en) * | 2021-10-25 | 2022-03-01 | 北京机械设备研究所 | Positive pressure isolation cabin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115675027A (en) | 2023-02-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7901618B2 (en) | Integrated control and distribution system for the decontamination of large volume convoluted configuration spaces | |
| US5692954A (en) | Air-shower system for a clean room | |
| CN215570979U (en) | Modularized experiment workstation and centralized laboratory | |
| CN105498866B (en) | CCN biocontainment laboratories | |
| US7326269B2 (en) | NBC filtration unit providing unfiltered and filtered air paths | |
| US5316518A (en) | Clean containment room construction | |
| US4905578A (en) | Apparatus for ventilating controlled areas | |
| KR102012962B1 (en) | Fume hood | |
| US20230375199A1 (en) | Cart-window assembly | |
| CN103818295A (en) | Biological safety inspection vehicle | |
| CN115675027B (en) | Working cabin, control method and fire engineering vehicle | |
| KR20180114259A (en) | Safety Cabinet | |
| JPH10132346A (en) | Clean room/system and its control method | |
| JP7170423B2 (en) | Airflow control system and airflow control method for highly airtight facility | |
| US5322533A (en) | Decontamination system for removal of hazardous substances | |
| JP4490538B2 (en) | Formaldehyde decomposition apparatus, air conditioner with a catalyst for formaldehyde decomposition, fumigation system with formaldehyde generation apparatus and decomposition apparatus, and formaldehyde generation / decomposition apparatus | |
| CN203727245U (en) | Bio-safety detecting vehicle | |
| CN212189147U (en) | Integral full negative pressure laboratory | |
| KR20220062763A (en) | Ship's Disinfection system for preventing virus inflow | |
| US20230347007A1 (en) | Apparatus for decontaminating ambient air in an indoor environment | |
| KR20180036254A (en) | a adjusting device of indoor pressure of building | |
| JPH03275150A (en) | Clean worktable | |
| US20180311389A1 (en) | Aeration method of isolator system | |
| CN116085913A (en) | Negative pressure protection aerosol simulation cabin | |
| CN211488988U (en) | Ventilation cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |