CN202165116U - Refuge chamber based on proportion integration differentiation (PID) integrated control or life-saving capsule comprehensive life-support device based on PID integrated control - Google Patents
Refuge chamber based on proportion integration differentiation (PID) integrated control or life-saving capsule comprehensive life-support device based on PID integrated control Download PDFInfo
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- CN202165116U CN202165116U CN2011202470130U CN201120247013U CN202165116U CN 202165116 U CN202165116 U CN 202165116U CN 2011202470130 U CN2011202470130 U CN 2011202470130U CN 201120247013 U CN201120247013 U CN 201120247013U CN 202165116 U CN202165116 U CN 202165116U
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Abstract
The utility model relates to a refuge chamber based on proportion integration differentiation (PID) integrated control or a life-saving capsule comprehensive life-support device based on PID integrated control, which comprises an central processor, an oxygen thickness adjusting device, an air pressure adjusting device, an internal environment detecting device and an air purification and refrigeration device. The refuge chamber based on PID integrated control or the life-saving capsule comprehensive life-support device based on PID integrated control has the advantages of achieving multi-functional integrated comprehensive control, guaranteeing feasibility and reliability of refuge personnel in the refuge chamber (movable type life-saving capsule), creating survival basic conditions for disaster hedge, setting conditions and saving time for emergency rescue, greatly improving mine safety systems, guaranteeing life and property security of human to the largest extent, and having great value and life guarantee significance on prompting of mines of our country to develop toward high-efficiency, safe and modernized directions.
Description
Technical field
The utility model relates to life science, Automatic Measurement Technique and automatic control technology field, relates in particular to a kind of refuge chamber or comprehensive life support device of survival capsule based on the integrated control of PID.
Background technology
China has released policies and regulations successively since 2010, require Coal Production unit to realize three anti-one safe-guard systems at a distance from (gas defence, fire prevention, shockproof, flame proof) and four bases (the existence base of trapped personnel, rescue personnel's supply base, the commander base of suing and labouring in the down-hole, the relaying base of communication).
Is very important behave and build mine refuge underground chamber with the mining survival capsule of development, and refuge chamber is to take place when disaster, when personnel can't withdraw from, and the shelter that invasion and attack poisonous for preventing, pernicious gas are set up.In the self-rescue of miner, it is very necessary that refuge chamber is set.Because self-rescuer is shorter effective time, after wearing self-rescuer, in the time of in its effective acting time, can not arriving safety place or route of withdrawal and can't pass through; Self-rescuer is perhaps arranged and pernicious gas content when higher; Refuge chamber can externally be resisted blast impulse, high-temperature flue gas, and isolated toxic and harmful internally can provide oxygen, food and water for stranded miner; Remove toxic and harmful, win long life span.Guarantee that as the life in mine refuge underground chamber or the survival capsule system is particularly important, press for comparatively perfect with the advanced life of a cover and guarantee system.
Summary of the invention
Be technical deficiency more than solving, the utility model provide a kind of fairly perfect, use reliable, safe refuge chamber or the comprehensive life support device of survival capsule based on the integrated control of PID.
The utility model is realized through following measure:
A kind of refuge chamber or the comprehensive life support device of survival capsule of the utility model based on the integrated control of PID, bag
Draw together:
Central processing unit comprises integrated PID controller, signal acquisition process device and intelligent trouble self diagnosis place
The reason device;
The oxygen concentration adjusting device; Comprise oxygen supply electromagnetic valve and oxygen concentration sensor that compressed oxygen cylinder and signal connect; Said compressed oxygen cylinder is connected with ventilation channel; The oxygen supply electromagnetic valve is arranged on the ventilation channel, and said oxygen concentration sensor is used in the sensing chamber oxygen concentration and sends signal to the PID controller, and said PID controller sends to oxygen supply electromagnetic valve aperture control signal after with the oxygen concentration signals computing;
Barometric control unit; What comprise that compressed nitrogen gas cylinder and signal connect fills nitrogen electromagnetic valve, exhaust solenoid valve and differential pressure pickup; Said compressed nitrogen gas cylinder is connected with the nitrogen blanketing valve road; Filling the nitrogen electromagnetic valve is arranged on the nitrogen blanketing valve road; Exhaust solenoid valve is arranged on indoor leading on the outdoor gas exhaust piping, and said differential pressure pickup is used for the inside and outside draught head of sensing chamber and sends signal to the PID controller, sends to after said PID controller is handled the draught head calculated signals and fills nitrogen electromagnetic valve and exhaust solenoid valve aperture control signal;
Interior environmental detection set; Comprise sensor; Said sensor connects the signal input part of signal acquisition process device, and the signal output part of signal acquisition process device connects and is used for intelligent trouble self diagnosis processor that the signal of gathering is carried out the Hilbert-Huang transform analysis;
Air purification, refrigerating plant; Comprise the reaction casing; Said reaction casing one end is provided with the gas access, and the other end is provided with gas vent, and the end from an end of gas access to gas vent in the said reaction casing is disposed with drying layer, deodorizing layer, carbon dioxide adsorption layer, catalyzing carbon monoxide layer and the chemical refrigeration layer that separates and communicate; Place, said reaction casing gas access is provided with explosion-proof fan, and said explosion-proof fan connects central processing unit.
Ventilation channel in the above-mentioned oxygen concentration adjusting device and the nitrogen blanketing valve Lu Shangjun in the said barometric control unit are connected with the assist control pipeline; Said assist control pipeline is connected in parallel on the oxygen supply electromagnetic valve respectively and fills nitrogen electromagnetic valve two ends, is provided with stop valve and reducing valve on the said assist control pipeline.
In the environmental detection set, the signal acquisition process device is connected with the SD storage card in above-mentioned.
Above-mentioned central processing unit is connected with display screen and warning device.
Above-mentioned ventilation channel and nitrogen blanketing valve road end are provided with flow meter and silencing means.
Above-mentioned air curtain blowning installation and the dual power supply device of also comprising.
The beneficial effect of the utility model is:
Realized the concentrated Comprehensive Control of multiple function; The feasibility and the reliability of the hedging of the personnel that take refuge in refuge chamber (portable survival capsule) have been ensured; Create the existence primary condition for the disaster hedging,, make the mine safety system mention the variation of matter from quantitative change for emergency management and rescue create conditions, gain time; Ensure the human security of the lives and property to greatest extent, promoting China's mine to develop to efficient, safe modernized direction has great value and life support meaning.
Description of drawings
Fig. 1 is the structured flowchart of the utility model.
Fig. 2 is the structural representation of the oxygen concentration adjusting device part of the utility model.
Fig. 3 is the structural representation of the barometric control unit part of the utility model.
Fig. 4 is the structural representation of environmental detection set part in the utility model.
Fig. 5 is the structural representation of the utility model air purification, refrigerating plant part.
Among the figure: 1. compressed oxygen cylinder, 2. the reducing valve I, 3. the stop valve I, 4. strainer, 5. the stop valve II, 6. the stop valve III, 7. the reducing valve II, 8. the oxygen supply electromagnetic valve, 9. one way valve, 10. flow meter, 11. silencing means, 12.PID controller, 13. oxygen concentration sensors, 14. display screens, 15. stop valve IV, 16. reducing valve III, 17. compressed nitrogen gas cylinders, 18. fill nitrogen electromagnetic valve, 19. differential pressure pickups, 20. exhaust solenoid valves, 21. reaction casings; 22. gas access; 23. gas vent, 24. explosion-proof fans, 25. controllers; 26. gas parameter checkout gear; 27. drying layer, 28. deodorizing layers, 29. carbon dioxide adsorption layers; 30. the catalyzing carbon monoxide layer, 31. chemical refrigeration layers.
The specific embodiment
A kind of refuge chamber or the comprehensive life support device of survival capsule of the utility model based on the integrated control of PID, bag
Draw together: central processing unit, oxygen concentration adjusting device, barometric control unit, interior environmental detection set and air purification, refrigerating plant.Central processing unit comprises integrated PID controller, signal acquisition process device and intelligent trouble self diagnosis processor.
1) oxygen concentration adjusting device
As shown in Figure 2; Comprise compressed oxygen cylinder 1, oxygen supply electromagnetic valve 8, PID controller 12 and oxygen concentration sensor 13; Wherein oxygen supply electromagnetic valve 8, PID controller 12 and oxygen concentration sensor 13 signals are connected; Compressed oxygen cylinder 1 is connected with ventilation channel, and oxygen supply electromagnetic valve 8 is arranged on the ventilation channel, and the oxygen-supplying amount of pipeline is supported in the aperture size control of oxygen supply electromagnetic valve 8.Oxygen concentration sensor 13 is used in the sensing chamber oxygen concentration and sends signal to PID controller 12, and PID controller 12 sends to oxygen supply electromagnetic valve 8 aperture control signals after with the oxygen concentration signals computing.
Particularly; Several places, compressed oxygen cylinder 1 gas outlet are provided with reducing valve I 2 and stop valve I 3; Ventilation channel is connected on through threeway on the air inlet port of gas outlet and stop valve I 3 of reducing valve I 2; Strainer 4 is set on the ventilation channel then, and strainer 4 rears are provided with stop valve IV 15, reducing valve III 16, oxygen supply electromagnetic valve 8, one way valve 9, flow meter 10, at the ventilation channel end silencing means 11 are set.Ventilation channel is connected with the assist control pipeline between oxygen supply electromagnetic valve 8 inlet ends and outlet side simultaneously, and the assist control pipeline is provided with stop valve III 6 and reducing valve II 7, can control by two-way, improves reliability.In order to make things convenient for demonstration information, above-mentioned PID controller 12 signals are connected with display screen 14.
Its operating principle is: system is through the interior oxygen actual concentrations of oxygen concentration sensor 13 sensing chamber (cabin); According to comparing, utilize 12 pairs of oxygen supply electromagnetic valves 8 of PID controller to regulate through the oxygen density value of setting in display screen 14 and the actual oxygen concentration of detection; When detected value is lower than setting value, increase the electromagnetic valve aperture, the oxygen in the compressed air of high flow is through pipeline oxygen supply in refuge chamber; When detected value reached or be higher than setting value, PID controller 12 kept or reduces the aperture of oxygen supply electromagnetic valve 8, to reduce current oxygen-supplying amount.Closed loop PID through oxygen concentration regulates, and has promptly guaranteed the precision of oxygen concentration control, has saved the consumption of oxygen again, has reached the better controlling effect.When electronic pipeline lost efficacy, can open the assist control pipeline, oxygen-supplying amount is as required regulated the outlet flow meter and is quantitatively controlled, and reaches the oxygen supply purpose.This installs main ventilation channel and need not power supply, and oxygen sensor, controller are by the power supply of flame-proof type intrinsic safety electric source, and power consumption is very little, provides battery for oneself and can satisfy fully.
2) barometric control unit
Comprise compressed nitrogen gas cylinder 17, fill nitrogen electromagnetic valve 18, PID controller 12, exhaust solenoid valve 20 and differential pressure pickup 19; Filling nitrogen electromagnetic valve 18, PID controller 12, exhaust solenoid valve 20 and differential pressure pickup 19 signals is connected; Compressed nitrogen gas cylinder 17 is connected with the nitrogen blanketing valve road; Filling nitrogen electromagnetic valve 18 is arranged on the nitrogen blanketing valve road; Exhaust solenoid valve 20 is arranged on indoor leading on the outdoor gas exhaust piping, and differential pressure pickup 19 is used for the inside and outside draught head of sensing chamber and sends signal to PID controller 12, sends to after PID controller 12 is handled the draught head calculated signals and fills nitrogen electromagnetic valve 18 and exhaust solenoid valve 20 aperture control signals.Compressed nitrogen gas cylinder 17 provides nitrogen, and quantity is confirmed according to actual conditions.Be connected with the assist control pipeline on the nitrogen blanketing valve road, the assist control pipeline is connected in parallel on and fills nitrogen electromagnetic valve 18 two ends, and the assist control pipeline is provided with stop valve and reducing valve.Nitrogen blanketing valve road end is provided with flow meter 10 and silencing means 11.PID controller 12 signals are connected with display screen 14.
Particularly; Several places, compressed nitrogen gas cylinder 17 gas outlets are provided with reducing valve I 2 and stop valve I 3; The nitrogen blanketing valve road is connected on through threeway on the air inlet port of gas outlet and stop valve I 3 of reducing valve I 2; On the nitrogen blanketing valve road strainer 4 is set then, strainer 4 rears are provided with stop valve IV 15, reducing valve III 16, fill nitrogen electromagnetic valve 18, one way valve 9, flow meter 10, and end is provided with silencing means 11 on the nitrogen blanketing valve road.Simultaneously the nitrogen blanketing valve road is connected with the assist control pipeline filling between nitrogen electromagnetic valve 18 inlet ends and the outlet side, and the assist control pipeline is provided with stop valve III 6 and reducing valve II 7, can two-way control, improve reliability.In order to make things convenient for demonstration information, above-mentioned PID controller 12 signals are connected with display screen 14.
Its operating principle is: this device comes sensing chamber (cabin) external and internal pressure to change through differential pressure pickup 19; Through PID controller 12 control, fill nitrogen electromagnetic valve 18 and fill the nitrogen supercharging when the current differential pressure value is lower than when setting punching press pressure difference (this value we through being set at 200pa) adjusting; When the current differential pressure value is higher than setting row pressure pressure difference (we are set at 500pa this value), open exhaust solenoid valve 20 and carry out pressure release.Through this combination action, guarantee that the cabin internal pressure is in a reasonable levels, also solved the equilibrium problem of interior oxygen partial pressure in chamber (cabin) and nitrogen partial pressure simultaneously, thus the artificial air ambient that is fit to human body existence of building.
Pressure is realized that closed loop PID regulates, promptly guaranteed control accuracy, saved resource again.Each setting value can be set through the touch interface of display screen 14 flexibly, and can dynamically show the on off state of electromagnetic valve.Gas piping adopts two-way control, after promptly automatic device lost efficacy, can carry out manual adjustments at once, gas piping terminal band flow meter 10 and silencing means 11, and the noise when gas is discharged reaches human body and accepts requirement, has guaranteed the reliability of device.
3) interior environmental detection set
Comprise the signal acquisition process device, the signal input part of signal acquisition process device is connected with sensor, and the signal output part of signal acquisition process device is connected with and is used for intelligent trouble self diagnosis processor that the signal of gathering is carried out the Hilbert-Huang transform analysis.Be record data, the signal acquisition process device is connected with the SD storage card.Sensor comprises methane transducer, carbon monoxide transducer, carbon dioxide sensor, oxygen concentration sensor, humidity sensor, temperature pick up and differential pressure pickup.The signal acquisition process device is connected with display and warning device.
Its operating principle is: system utilizes methane transducer, carbon monoxide transducer, carbon dioxide sensor, oxygen concentration sensor, humidity sensor, temperature pick up and differential pressure pickup to detect the interior ambient parameter in monitoring chamber (cabin); Adopting custom-designed signal acquisition process device to concentrate to each sensor parameters gathers, sends signal to intelligent trouble self diagnosis processor after the collection.Intelligent trouble self diagnosis processor carries out analyzing and processing to the signal of gathering, and is converted into the value of corresponding engineering meaning, utilizes signal to handle and the fault self-diagnosis technology; Signal to gathering carries out the Hilbert-Huang conversion, and detailed process is: at first signal is carried out MED and decompose, and each rank eigenmodes function of data sequence is carried out the Hilbert conversion; Obtain instantaneous frequency; Utilize HHT to analyze then, in time find the fault of sensor, favourable guarantee is provided the reliability of installing.
Display partly adopts the Chinese character LCD with Presentation Function backlight of 640 * 480 resolution ratio, is used to show each road sensor passage number, inserts sensor name, measured value etc.Passage order with numerical value 1～8 expression input quantity passage 1 to passage 8; Sensor name is represented with hanzi form, shows 4 Chinese characters at most; Numerical value shows and shows with 4-digit number.Adopt two chromatic liquid crystal screens (4 cun), show 3 sensor signal value on each display screen;
The SD storage card can write down the current measured value of each sensor automatically, whenever at a distance from 5 minutes records once.File format is a text, user or read through any SD card reader;
Wrong when certain road sensor input signal, system points out this road sensor wiring error or operational failure automatically.When certain road measurement value sensor transfinites (upper limit or lower limit), system carries out the sound and light alarm prompting automatically; Irrelevance is big more, and alarm sound is rapid more, and light flash is quick more.The user can close sound, light warning function;
Transducer range can be set on control panel flexibly, therefore has extremely strong sensor compliance; System allows each sensor settings value is automatically restored to the factory setting value.
4) air purification, refrigerating plant
Comprise reaction casing 21, reaction casing 21 1 ends are provided with gas access 22, and the other end is provided with gas
Between each layer netted partition is set in the reaction casing 21, places medical desiccant in the drying layer 27 air
Carrying out removal moisture drying handles.Be placed with deodorant in the deodorizing layer 28, the medicament through formulated carries out deodorizing to air to be handled, and removes organic stink that human body gives out, the absorption organic macromolecule, and quality purifies air.
Be placed with carbon dioxide absorber in the carbon dioxide adsorption layer 29, carbon dioxide absorber adopts high-efficiency adsorbent, and the highest adsorption efficiency can reach 72%, on average surpasses more than 50%.Adsorbent has the color deixis, and promptly color pinkiness during unreacted is pure white after having reacted.The user can be through the work at present usefulness of adsorbent color judgment adsorbent.
Be placed with the carbon monoxide room-temperature catalyzer in the catalyzing carbon monoxide layer 30, be used for removing out of my cabin fully bringing into
Reach the CO gas that human body continues to give out.The carbon monoxide room-temperature catalyzer adopts safeguard procedures, and the carbon monoxide room-temperature catalyzer is placed in the ceramic honey comb, and ceramic honey comb is placed in the wire lath.
Be placed with chemical refrigerant in the chemical refrigeration layer 31.Chemical refrigerant forms the green jelly shape frozen material (minimum temperature can be reduced to freezing point) of low temperature after adding the equivalent tap water immediately, is equivalent to form the ice cube that disperses one by one, it is placed in purify in the cabinet or the lasting absorbing and cooling temperature of realization in the body of cabin.Chemical agent is nonpoisonous and tasteless, to human body safety.
Explosion-proof fan 24 signals are connected with controller 25, and controller 25 signals are connected with gas parameter and detect dress
Put 26.Explosion-proof fan is pressed into air in the reaction casing 21, makes force air through reacting each layer in the casing 21, and realizes the rotating speed of blower fan is controlled through controller 25; Gas parameter checkout gear 26 detects in real time, and when any index in CO2, CO, three indexs of temperature surpassed setting value, blower fan started automatically; Irrelevance is big more, and rotation speed of fan is fast more, quickens air quality and returns normal; Realize CO2 absorption, CO catalytic treatment, drying, deodorizing, reach the purpose of air purification.
5) air curtain blowning installation carries out big flow gas circuit control with the electrical ball valve of DN15 caliber, has realized transition chamber (cabin) air blowing.
6) dual power supply device utilizes central controller to detect the duplicate supply loop, when the externally fed circuit interruption
The time, drop into the standby battery power supply automatically.
The foregoing description is said to be in order to specify this patent; Though describe through specific term in the literary composition; But can not limit the protection domain of this patent with this; The personage who is familiar with this technical field can change or revise it after the spirit of understanding this patent and principle and reach equivalent purpose, and this equivalence change and modification all should be covered by the claim scope and define in the category.
Claims (6)
1. refuge chamber or the comprehensive life support device of survival capsule based on the integrated control of PID is characterized in that, comprising:
Central processing unit comprises integrated PID controller, signal acquisition process device and intelligent trouble self diagnosis processor;
The oxygen concentration adjusting device; Comprise oxygen supply electromagnetic valve and oxygen concentration sensor that compressed oxygen cylinder and signal connect; Said compressed oxygen cylinder is connected with ventilation channel; The oxygen supply electromagnetic valve is arranged on the ventilation channel, and said oxygen concentration sensor is used in the sensing chamber oxygen concentration and sends signal to the PID controller, and said PID controller sends to oxygen supply electromagnetic valve aperture control signal after with the oxygen concentration signals computing;
Barometric control unit; What comprise that compressed nitrogen gas cylinder and signal connect fills nitrogen electromagnetic valve, exhaust solenoid valve and differential pressure pickup; Said compressed nitrogen gas cylinder is connected with the nitrogen blanketing valve road; Filling the nitrogen electromagnetic valve is arranged on the nitrogen blanketing valve road; Exhaust solenoid valve is arranged on indoor leading on the outdoor gas exhaust piping, and said differential pressure pickup is used for the inside and outside draught head of sensing chamber and sends signal to the PID controller, sends to after said PID controller is handled the draught head calculated signals and fills nitrogen electromagnetic valve and exhaust solenoid valve aperture control signal;
Interior environmental detection set; Comprise sensor; Said sensor connects the signal input part of signal acquisition process device, and the signal output part of signal acquisition process device connects and is used for intelligent trouble self diagnosis processor that the signal of gathering is carried out the Hilbert-Huang transform analysis;
Air purification, refrigerating plant; Comprise the reaction casing; Said reaction casing one end is provided with the gas access, and the other end is provided with gas vent, and the end from an end of gas access to gas vent in the said reaction casing is disposed with drying layer, deodorizing layer, carbon dioxide adsorption layer, catalyzing carbon monoxide layer and the chemical refrigeration layer that separates and communicate; Place, said reaction casing gas access is provided with explosion-proof fan, and said explosion-proof fan connects central processing unit.
2. according to claim 1 said refuge chamber or the comprehensive life support dress of survival capsule based on the integrated control of PID
Put; It is characterized in that: ventilation channel in the said oxygen concentration adjusting device and the nitrogen blanketing valve Lu Shangjun in the said barometric control unit are connected with the assist control pipeline; Said assist control pipeline is connected in parallel on the oxygen supply electromagnetic valve respectively and fills nitrogen electromagnetic valve two ends, is provided with stop valve and reducing valve on the said assist control pipeline.
3. according to claim 1 said refuge chamber or the comprehensive life support dress of survival capsule based on the integrated control of PID
Put, it is characterized in that: in the environmental detection set, the signal acquisition process device is connected with the SD storage card in said.
4. according to claim 1 said refuge chamber or the comprehensive life support dress of survival capsule based on the integrated control of PID
Put, it is characterized in that: said central processing unit is connected with display screen and warning device.
5. protect according to claim 1 or 2 said refuge chamber or the comprehensive life of survival capsule based on the integrated control of PID
Fault device is characterized in that: said ventilation channel and nitrogen blanketing valve road end are provided with flow meter and silencing means.
6. according to claim 1 said refuge chamber or the comprehensive life support dress of survival capsule based on the integrated control of PID
Put, it is characterized in that: also comprise air curtain blowning installation and dual power supply device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202470130U CN202165116U (en) | 2011-07-14 | 2011-07-14 | Refuge chamber based on proportion integration differentiation (PID) integrated control or life-saving capsule comprehensive life-support device based on PID integrated control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202470130U CN202165116U (en) | 2011-07-14 | 2011-07-14 | Refuge chamber based on proportion integration differentiation (PID) integrated control or life-saving capsule comprehensive life-support device based on PID integrated control |
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| CN202165116U true CN202165116U (en) | 2012-03-14 |
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| CN2011202470130U Withdrawn - After Issue CN202165116U (en) | 2011-07-14 | 2011-07-14 | Refuge chamber based on proportion integration differentiation (PID) integrated control or life-saving capsule comprehensive life-support device based on PID integrated control |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287223A (en) * | 2011-07-14 | 2011-12-21 | 山东国泰科技有限公司 | Integrated life security device of refuge chamber or life-saving compartment based on PID (proportion-integration-differentiation)) integrated control |
| CN103032095A (en) * | 2012-12-20 | 2013-04-10 | 中船重工（西安）东仪矿用安全装备有限公司 | Rescue capsule oxygen supply automatic control system meeting human body comfort degree |
| CN103321673A (en) * | 2013-07-08 | 2013-09-25 | 苏州天华有色金属制品有限公司 | Emergency device |
| CN109967279A (en) * | 2019-04-12 | 2019-07-05 | 上海外高桥造船有限公司 | Device for generating air curtain |
| CN111483575A (en) * | 2020-04-13 | 2020-08-04 | 浙江水利水电学院 | Underwater closed cycle life support device and automatic control method thereof |
| CN113550785A (en) * | 2021-08-09 | 2021-10-26 | 中铁十一局集团电务工程有限公司 | Trackless measurement construction method for subway evacuation platform |
-
2011
- 2011-07-14 CN CN2011202470130U patent/CN202165116U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287223A (en) * | 2011-07-14 | 2011-12-21 | 山东国泰科技有限公司 | Integrated life security device of refuge chamber or life-saving compartment based on PID (proportion-integration-differentiation)) integrated control |
| CN102287223B (en) * | 2011-07-14 | 2013-04-17 | 山东国泰科技有限公司 | Integrated life security device of refuge chamber or life-saving compartment based on PID (proportion-integration-differentiation)) integrated control |
| CN103032095A (en) * | 2012-12-20 | 2013-04-10 | 中船重工（西安）东仪矿用安全装备有限公司 | Rescue capsule oxygen supply automatic control system meeting human body comfort degree |
| CN103321673A (en) * | 2013-07-08 | 2013-09-25 | 苏州天华有色金属制品有限公司 | Emergency device |
| CN109967279A (en) * | 2019-04-12 | 2019-07-05 | 上海外高桥造船有限公司 | Device for generating air curtain |
| CN111483575A (en) * | 2020-04-13 | 2020-08-04 | 浙江水利水电学院 | Underwater closed cycle life support device and automatic control method thereof |
| CN113550785A (en) * | 2021-08-09 | 2021-10-26 | 中铁十一局集团电务工程有限公司 | Trackless measurement construction method for subway evacuation platform |
| CN113550785B (en) * | 2021-08-09 | 2022-09-06 | 中铁十一局集团电务工程有限公司 | Trackless measurement construction method for subway evacuation platform |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120314 Effective date of abandoning: 20130417 |
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| RGAV | Abandon patent right to avoid regrant |