CN101937251A - Environment control unit for dangerous cargo carrier vehicle - Google Patents
Environment control unit for dangerous cargo carrier vehicle Download PDFInfo
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- CN101937251A CN101937251A CN2010102983502A CN201010298350A CN101937251A CN 101937251 A CN101937251 A CN 101937251A CN 2010102983502 A CN2010102983502 A CN 2010102983502A CN 201010298350 A CN201010298350 A CN 201010298350A CN 101937251 A CN101937251 A CN 101937251A
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Abstract
The invention relates to an environment control unit for a dangerous cargo carrier vehicle, which comprises an environment detection and adjustment system, an early warning system, an emergency coolant system, wherein the environment detection and adjustment system detects the temperature, pressure and humidity data in a carriage by utilizing various sensors arranged in the carriage and adjusts by utilizing a small size air-conditioner arranged outside the carriage. The invention has the effect that the internal environmental parameter, temperature, humidity and pressure are adjusted and controlled to ensure that the dangerous cargo to be transported is in a safe environment.
Description
Technical field
The present invention relates to vehicle environmental control field, relate in particular to the device of hazardous materials transportation car body environment control.
Background technology
[0002] in many occasions such as danger such as fireworks, firecracker, detonator, explosive, explosive transportation and storage, the parameter request of each environmental index is very important.In large-scale warehouse safety in production and management, it is quite ripe that high-tech means such as employing modern sensor technology and computer technology are carried out the control of environment.But the vehicle of mobile shipping goods is carried out the accurate control and the adjusting of environment, and especially the environment control device for temperature, pressure, humidity, static and the anti-thunder and lightning of fireworks and firecrackers transport vehicle, electromagnetic radiation, rainwater, explosion-proof, anti-gunshot etc. also is close to blank.Existing fireworks and firecrackers transport vehicle has only installed common sensor, though can survey the basic condition of environment in the compartment, and give the alarm when critical exceeding, possesses certain unexpected dangerous situation prediction ability, but can not realize environment, especially the ACTIVE CONTROL of factors such as temperature, humidity, pressure and static prevents to take place with the control accident.In transportation, will rub inevitably, contact and separate, respond to, and produce static.Micronic dust power in the Electrostatic Absorption envelope is directly proportional with the static content of generation, and the electric current of static discharge is directly proportional with static content, and the electric current of static discharge can produce Radio frequency interference (RFI), and the harmfulness to fireworks and firecrackers is big especially simultaneously.Weaken or eliminate electrostatic interaction mainly from material, lead disappear device and three aspects of humidity and carry out.Though the patented technology of regulating the field relevant for humiture in existing document is only controlled humiture for the special car of transportation fireworks and firecrackers and is not obviously reached requirement.
Patent documentation 1 CN201311604Y discloses the device of a kind of SCM Based detection and each warehouse node humiture of Based Intelligent Control, does not relate to concrete grammar and device that humiture in the environment is regulated but patent focuses on setting forth each control module on the single-chip microcomputer.
Patent documentation 2: utility model 200920022294.2 discloses the smoke fire detector of interior, and static diversion belt, this patent have only played warning function, and can't realize that regulatory function is particularly to the adjusting of static;
Patent documentation 3: utility model CN200520106937.3 discloses smoke transducer, the temperature sensor of interior, and deep and broad alarm is arranged in the pilothouse.If but in fact the hazardous materials transportation vehicle is reported to the police by smoke transducer and obviously missed the optimally-controlled time, and the temperature sensor in this patent is only done and is used.This patent still can't realize the function to the situation unusual initial stage of generation is just regulated in the vehicle.
Summary of the invention
Goal of the invention of the present invention provides a kind of comprehensive monitoring function that has, and can provide the hazardous materials transportation vehicle environmental control device of effective adjusting control device at the dangerous initial stage, the present invention can realize the active monitoring and the control of environment temperature, humidity, static, pressure etc., guarantees the safety of transportation.
The present invention realizes by following concrete technical scheme:
A kind of hazardous materials transportation car environment control unit, described hazardous materials transportation car environment control unit comprises environment measuring and regulating system, early warning system, emergency cooling system, and described environment measuring and regulating system are by being arranged on temperature in the sensor compartment in the compartment, pressure, humidity data and regulating by the aircondition that is arranged on the outside, compartment.
The described sensor that is arranged in the compartment comprises: temperature sensor, pressure transducer, humidity sensor, the sensor environment control unit interior with being arranged on pilothouse is electrically connected.
Temperature sensor is arranged on the corner in compartment, and pressure transducer and humidity sensor are arranged on the wall middle part of inboard, compartment, also are provided with electrostatic transducer in the top and the bottom in compartment in addition.
Described environment measuring and regulating system corresponding program are:
(1), the sensor in the compartment sends to environment measuring and regulating system with detecting data in the compartment;
(2), environment measuring and regulating system relatively judge whether data and the data ratings that prestores to start the alert levels of alert program and startup;
(3), pressure or temperature are higher than default value and then start the chiller compartment system;
(4), humidity is higher than default value and then starts the compartment dehumidifier;
(5), sensor detected data once more and sends to environment measuring and regulating system after action finished;
(6), environment measuring and regulating system judge whether to recover normal.
The preset data warning value is temperature 〉=75 ℃, absolute pressure 〉=0.13 MPa, relative humidity 〉=70% or relative humidity≤40% in the described compartment.
The corresponding program of described early warning system comprises:
(1) early warning system is that data that system detects start alarm when surpassing warning value;
(2) start compartment cooling channel device and dehydrating unit;
(3) detect once more;
(4) temperature still continues to rise, and then starts the second level and reports to the police;
(5) start refrigerating plant in the compartment;
(6) start the spray equipment that is arranged on the vehicle chassis.
The default second alert levels data warning value is temperature 〉=100 ℃, absolute pressure 〉=0.16 MPa, brake disc temperature 〉=150 ℃ in the described compartment.
Described spray equipment is installed in drive wheels brake disc inboard, transport vehicle chassis, spray equipment is connected or is connected with the fire extinguishing agent hold-up vessel with water collector on the evaporator, water tank or flame snuffer have solenoid-operated switch, and control system is according to temperature data contrast predetermined threshold value, two switch opens of control of being arranged near the temperature sensor detection of brake disc and close sprinkling.
One of effect of the present invention is to regulate and control transport vehicle internal environment parameter temperature, humidity and pressure, guarantees that fireworks and firecrackers is in the adapt circumstance.By the position of reasonable Arrangement temperature, humidity sensor and pressure transducer, detect temperature, humidity and the force value of environment of living in and to the control system transmit signal data.The temperature parameter that compares the temperature sensor collection of diverse location, and near the maximum temperature control system is transmitted upper temperature limit is as the actual temperature value of environment, compare the humidity parameter that the diverse location humidity sensor is gathered simultaneously, get maximal value near the humidity upper limit, get minimum value near the lower limit, transmit humidity parameter to control system.Temp and humidity regulator is through the data analysis of control system and conversion, regulates control according to pre-set programs.When being lower than the capping parameter, temperature do not deal with.Otherwise, will start refrigeration unit, according to needed refrigerating capacity size, the aperture of control electromagnetic valve is regulated the flow of cold-producing medium, controls the rotating speed of blower fan simultaneously, regulates the size of air quantity and lowers the temperature.Pressure transducer is experienced the environment internal pressure, when pressure exceeds setup parameter, reduces temperature by refrigeration unit and regulates pressure parameter.Meanwhile, the present invention has controlled the static of internal environment effectively, under humiture is regulated, in the compartment environment bleeder resistance be controlled in 10
8Below ohm, unnecessary electrostatic charge is also led by the band that mops floor that is connected the compartment and is disappeared.
Two of effect of the present invention is that the two-stage warning system is equipped with in envelope inside.When environment temperature in the compartment greater than 75 ℃ or absolute pressure greater than 0.13 MPa or relative humidity greater than 70% or relative humidity less than 40% or chassis drive wheels brake disc near temperature during greater than 100 ℃ of setting thresholds, the one-level early warning system is opened, remind the supercargo to note surveying and the operation of supervisory system and envelope inside, chassis environmental aspect, manually start operation in case of necessity and survey and the monitoring subsystem.When environment temperature in the compartment greater than 100 ℃ or absolute pressure greater than 0.16MPa or chassis drive wheels brake disc near temperature when preestablishing threshold value greater than 150 ℃, the secondary early warning system is opened, survey with supervisory system and start operation automatically, interior starting of air conditioner refrigeration, air-supply function; Near the drive wheels brake disc of chassis spray equipment sprays chilled water to brake disc; The supercargo should guarantee to survey with supervisory system and normally move and observe envelope internal environment, chassis condition parameter situation of change, implements the manual control measure in case of necessity, and the order driver parking and the inspection of getting off are handled.
Three of effect of the present invention is promptly to cool off fire-fighting to handle.A kind of spray (spilling) device is installed near the drive wheels brake disc of transport vehicle chassis.This device with evaporator on water collector be connected with pump.Brake disc is overheated cause that secondary is reported to the police after, the switching by solenoid valve on spray (spilling) device sprays to the wheel hub heating position; When brake disc is overheated cause spark after, solenoid valve is opened, spray (spilling) device puts out spark to wheel hub spark position spraying fire-extinguishing agent, prevents to burn to conduct heat to cause the blast of fireworks and firecrackers in the railway carriage or compartment.
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Description of drawings:
Fig. 1 environment measuring and regulating system circuit theory diagrams;
Fig. 2 compartment cooling recirculation system piping diagram;
Fig. 3 environment measuring and regulating system process flow diagram;
Fig. 4 transducer arrangements figure.
★-temperature sensor, ■-humidity sensor, ●-electrostatic transducer, ▲-pressure transducer
1-condenser, 2-dehumidifier, 3-display, 4-environment measuring and regulating system, 5-temperature sensor, 6-humidity sensor, 7-pressure transducer, 8-electrostatic transducer, 9-warning device, 10-evaporator, 11-solenoid valve, 12-flusher, 13-air channel, 14-pump, 15-water collector, 16-evaporating pressure are adjusted valve, 17-blower fan, 19-expansion valve, 20-exsiccator, 21-liquid reservoir, 22-suction pressure adjustment valve, 23-compressor.
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Embodiment:
Below in conjunction with specific embodiment technical solution of the present invention is described:
As shown in Figure 1, Fig. 1 is environment measuring and regulating system circuit theory diagrams in the compartment of the present invention, environment measuring and regulating system 4 are electrically connected with temperature sensor 5, humidity sensor 6, pressure transducer 7, electrostatic transducer 8 successively among the figure, and this system also reminds the driver to work as the every data in the front compartment by display 3 and warning device 9 by the mode of demonstration and auditory tone cues and whether reaches harmful grade.
Environment measuring and regulating system 4 also connect two solenoid valves 11 and control dehumidifier 2 and flusher 12 respectively, when the data of each sensor met or exceeded the dangerous numerical value that is preset in environment measuring and the regulating system 4, environment measuring and regulating system 4 judged whether to open the switch of dehumidifier 2 and flusher 12 automatically according to harmful grade.
According to repeatedly test and research draw conclusion, draw according to actual shipment process and compartment size, when environment temperature in the compartment greater than 75 ℃ or absolute pressure greater than 0.13 MPa or relative humidity greater than 70% or relative humidity less than 40% or chassis drive wheels brake disc near temperature during greater than 100 ℃, be that to reach the harmful grade that ignites the most suitable, the excessive relatively static that causes easily of humidity, produce spark, can reduce the self-ignition temperature of fireworks class explosive in the time of too small accordingly.Working control is the safest at 40%-70%.
And the effect of pressure equally also can cause gunpowder class article to produce spontaneous combustion, and intensification cause spontaneous combustion thereby the black powder in the fireworks and firecrackers is met the tide meeting.So be rudimentary alert levels this time, environment measuring and regulating system 4 signal that gives the alarm reminds the driver that the compartment is carried out aeration-cooling processing.
And reach when being specially temperature 〉=100 ℃, pressure 〉=0.16 MPa, chassis drive wheels brake disc 〉=150 ℃ when the data of sensor, reality has reached the spontaneous combustion rank, it has been harmful grade, environment measuring and regulating system 4 are sent 2 grades of alarms, open flusher 12 spraying fire-extinguishing agents simultaneously automatically and also cooperate simultaneously spray water to reduce chassis, compartment temperature.Owing to reached high temperature in the compartment, be not suitable for carrying out spraying operation towards interior.Directly explosion caused easily.And the key position of the high heat of vehicle generation is generally brake system, brake disc particularly, reduce rapidly temperature in chassis, reduction compartment that the temperature of brake disc just can be very fast and the compartment, so flusher is arranged on brake disc with side, such design also makes things convenient for reequips having vehicle now.2 grades of alarm and reminding drivers withdraw car body simultaneously.
Fig. 2 is a compartment cooling recirculation system piping diagram, environment measuring and regulating system 4 are regulated the aperture of solenoid valve 11 according to operating condition, regulate the refrigerant flow that enters evaporator 10, control the rotating speed of evaporator 10 1 crosswind machines simultaneously, regulate the air output that enters in the envelope.Though lowest temperature is not provided with, when temperature reached very low, the relative humidity of environmental air can reduce, and when humidity was lower than the lower limit parameter, environment measuring and regulating system 4 can be controlled the startup of dehumidifier 2, guaranteed the quality of fireworks and firecrackers.When humidity surmounted upper limit parameter, environment measuring and regulating system 4 can stop the operation of dehumidifier 2.The water droplet that condenses on the evaporator 10 can accumulate in the water collector 15, finally can be pooled in the proprietary water tank of transport vehicle, and by the adjusting of control system to pump 14 and solenoid valve 11, flow in the emergency shower device 12 that is installed in the transport vehicle chassis, carry out operations necessary.The processing that condenser 1, liquid reservoir 21, exsiccator 20 are responsible for condensation cycle among the figure, condensed water enters evaporator 10 through expansion valve 19 and solenoid valve 11 switches.Compressor 20 is a condenser compression refrigeration liquid, and pump 14 is cooling sprinkling system circulation power.
Fig. 3 for environment measuring and regulating system process flow diagram as shown in the figure:
1, program start and initialization, sensor will detect data and specifically send to system as the temperature/pressure parameter, and system compares data respectively with standard value;
2, when data exceed the border of standard value, at first start the one-level early warning, the system start-up dehumidifier, and circulate a notice of to the driver;
3, sensor is proceeded Data Detection, such as the detection data still do not change, perhaps still exceed and with the standard value gap when bigger, system start automatically the secondary early warning,, and emergency start refrigeration system and fire extinguishing sprinkling system;
4, system recovery original state;
As accompanying drawing 4, in envelope, arrange temperature sensor 5, humidity sensor 6, pressure transducer 7 and electrostatic transducer 8, wherein temperature is as topmost controlling object, and 8 temperature sensors of operated by rotary motion are arranged on 8 angles in compartment.Also have a temperature sensor to be arranged on the chassis of transport vehicle in addition, so that gather the temperature parameter in the envelope more widely in real time.Humidity sensor 6 and pressure transducer 7 are arranged together, can respectively be provided with 4, are arranged in equably on the front, rear, left and right envelope sidewall in compartment.Electrostatic transducer 8 generally can be provided with 3, is arranged on the end face and bottom surface and transport vehicle chassis in compartment.
In the predefined 30 second time interval, the temperature, the humidity sensor that are placed on the envelope diverse location detect the interior humiture data of envelope, according to set humiture bound parameter, when exceeding upper temperature limit, programmed instruction control system 4 can be by the compressor 23 in the transmission signals startup refrigeration unit, the engine of this compressor and transport vehicle links together, and realizes operation by these programmed instruction control system 4 solenoidoperated cluthes.And the programmed instruction control system is according to operating condition, regulates the aperture of solenoid valve 18, regulates the refrigerant flow that enters evaporator 10, controls the rotating speed of blower fan 17 simultaneously, regulates the air output that entering in the envelope.Fireworks and firecrackers under certain low temperature can not blasted, and only needs to consider the control of high temperature to fireworks, but behind the running refrigerating unit, along with the reduction of temperature, relative humidity is also reducing, and has influenced the quality of fireworks.But when temperature reached very low, the relative humidity of environmental air can reduce, and when humidity was lower than the lower limit parameter, control system 4 can be controlled the startup of dehumidifier 2, guaranteed the quality of fireworks and firecrackers.The upper limit parameter of temperature requires to set according to the chemical property of fireworks and firecrackers.The water droplet that condenses on the evaporator 10 can accumulate in the water collector 15, finally flows in the water receptacle in spray (spilling) device 12 that is installed in the bottom, compartment.In accompanying drawing 4, in the middle of the envelope left and right sides, louvered air outlet and exhaust outlet are set respectively, form effective gas flow circulation in inside, more comprehensively regulating and controlling envelope temperature inside.When temperature in the envelope surpass 75 ℃ or absolute pressure greater than 0.13 MPa or relative humidity greater than 70% or chassis drive wheels brake disc near temperature during greater than 100 ℃ of setting thresholds, control system will start the one-level early warning, remind the operation of driver's concern for the environment control system and the situation of envelope ventilation and heat.When environment temperature in the compartment greater than 100 ℃ or absolute pressure greater than 0.16MPa or chassis drive wheels brake disc near temperature when preestablishing threshold value greater than 150 ℃, to start the secondary early warning, control system will be moved flusher 12 when the chassis is overheated, this device is connected with water collector 15, pump 14, open solenoid valve 11 valves by control system, heating place is sprayed (spilling), do the cooling fire-fighting and handle.During the secondary early warning, the driver is stopped and is checked processing, reports a fire in case of necessity.
Claims (6)
1. hazardous materials transportation car environment control unit, it is characterized in that: described hazardous materials transportation car environment control unit comprises environment measuring and regulating system, early warning system, emergency cooling system, and described environment measuring and regulating system are by being arranged on temperature in the sensor compartment in the compartment, pressure, humidity data and regulating by the aircondition that is arranged on the outside, compartment.
2. a kind of hazardous materials transportation car environment control unit according to claim 1, it is characterized in that, the described sensor that is arranged in the compartment comprises: temperature sensor, pressure transducer, humidity sensor, the sensor environment control unit interior with being arranged on pilothouse is electrically connected.
3. a kind of hazardous materials transportation car environment control unit according to claim 2, it is characterized in that: temperature sensor is arranged on the corner in compartment, pressure transducer and humidity sensor are arranged on the wall middle part of inboard, compartment, also are provided with electrostatic transducer in the top and the bottom in compartment in addition.
4. a kind of hazardous materials transportation car environment control unit according to claim 1 is characterized in that described environment measuring and regulating system corresponding program are:
(1), the sensor in the compartment sends to environment measuring and regulating system with detecting data in the compartment;
(2), environment measuring and regulating system relatively judge whether data and the data ratings that prestores to start the alert levels of alert program and startup;
(3), pressure or temperature are higher than default value and then start the chiller compartment system;
(4), humidity is higher than default value and then starts the compartment dehumidifier;
(5), sensor detected data once more and sends to environment measuring and regulating system after action finished;
(6), environment measuring and regulating system judge whether to recover normal.
, a kind of hazardous materials transportation car environment control unit according to claim 4, it is characterized in that: the preset data warning value is temperature 〉=75 ℃, absolute pressure 〉=0.13 MPa, relative humidity 〉=70% or relative humidity≤40% in the described compartment.
6. a kind of hazardous materials transportation car environment control unit according to claim 1, it is characterized in that: the corresponding program of described early warning system comprises:
(1) early warning system is that data that system detects start alarm when surpassing warning value;
(2) start compartment cooling channel device and dehydrating unit;
(3) detect once more;
(4) temperature still continues to rise, and then starts the second level and reports to the police;
(5) start refrigerating plant in the compartment.
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| CN2010102983502A CN101937251B (en) | 2010-09-30 | 2010-09-30 | Environment control unit for dangerous cargo carrier vehicle |
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| CN2010102983502A CN101937251B (en) | 2010-09-30 | 2010-09-30 | Environment control unit for dangerous cargo carrier vehicle |
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| CN101937251A true CN101937251A (en) | 2011-01-05 |
| CN101937251B CN101937251B (en) | 2012-08-29 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102621966A (en) * | 2012-04-06 | 2012-08-01 | 家通电子商务（大连）有限公司 | Dangerous chemical storage and transportation danger early warning and assessment device and pre-warning system |
| CN105235577A (en) * | 2015-10-29 | 2016-01-13 | 西安科技大学 | Obsolete single-base powder hygrometric state transporting device |
| WO2017143473A1 (en) * | 2016-02-22 | 2017-08-31 | 深圳市元征科技股份有限公司 | Vehicle interior air-pressure regulation method and device |
| CN107221117A (en) * | 2017-06-22 | 2017-09-29 | 南通星辰合成材料有限公司 | Method and apparatus for Chemical Manufacture fire alarm and fire-fighting link |
| CN107392521A (en) * | 2017-06-16 | 2017-11-24 | 深圳市盛路物联通讯技术有限公司 | Compartment management method, device and monitoring device |
| CN107648771A (en) * | 2016-07-25 | 2018-02-02 | 广东锐捷安全技术股份有限公司 | A kind of method and its device for hazardous materials transportation |
| CN108021080A (en) * | 2017-11-17 | 2018-05-11 | 南京视莱尔汽车电子有限公司 | A kind of loading autonomous driving vehicle compartment turntable automatic monitored control system |
| CN108809789A (en) * | 2018-07-29 | 2018-11-13 | 合肥市智信汽车科技有限公司 | A kind of harmful influence haulage vehicle safety defense monitoring system |
| CN108956888A (en) * | 2018-07-26 | 2018-12-07 | 合肥云联电子科技有限公司 | A kind of monitoring method of intelligence industrial control equipment humidity exception |
| CN109272372A (en) * | 2018-07-28 | 2019-01-25 | 郭丁杰 | A kind of electronic firecracker shared system |
| CN109406157A (en) * | 2017-08-15 | 2019-03-01 | 中航贵州飞机有限责任公司 | A kind of airplane antiskid braking experimental rig |
| CN112295137A (en) * | 2020-10-29 | 2021-02-02 | 义乌君保贸易有限公司 | Auxiliary device for reducing loss of computer room by self-alarming and self-extinguishing fire |
| CN112650318A (en) * | 2020-09-09 | 2021-04-13 | 江苏振宁半导体研究院有限公司 | Temperature control system and method for transportation |
| CN114067526A (en) * | 2021-11-12 | 2022-02-18 | 武昌理工学院 | Dangerous chemical safety storage monitoring device and method |
| CN114115088A (en) * | 2021-11-12 | 2022-03-01 | 武昌理工学院 | Method and device for judging safety distance of hazardous chemical substance transport vehicle |
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| CN102621966A (en) * | 2012-04-06 | 2012-08-01 | 家通电子商务（大连）有限公司 | Dangerous chemical storage and transportation danger early warning and assessment device and pre-warning system |
| CN105235577A (en) * | 2015-10-29 | 2016-01-13 | 西安科技大学 | Obsolete single-base powder hygrometric state transporting device |
| WO2017143473A1 (en) * | 2016-02-22 | 2017-08-31 | 深圳市元征科技股份有限公司 | Vehicle interior air-pressure regulation method and device |
| CN107648771A (en) * | 2016-07-25 | 2018-02-02 | 广东锐捷安全技术股份有限公司 | A kind of method and its device for hazardous materials transportation |
| WO2018227723A1 (en) * | 2017-06-16 | 2018-12-20 | 深圳市盛路物联通讯技术有限公司 | Carriage management method and apparatus, and monitoring device |
| CN107392521A (en) * | 2017-06-16 | 2017-11-24 | 深圳市盛路物联通讯技术有限公司 | Compartment management method, device and monitoring device |
| CN107221117A (en) * | 2017-06-22 | 2017-09-29 | 南通星辰合成材料有限公司 | Method and apparatus for Chemical Manufacture fire alarm and fire-fighting link |
| CN109406157A (en) * | 2017-08-15 | 2019-03-01 | 中航贵州飞机有限责任公司 | A kind of airplane antiskid braking experimental rig |
| CN108021080A (en) * | 2017-11-17 | 2018-05-11 | 南京视莱尔汽车电子有限公司 | A kind of loading autonomous driving vehicle compartment turntable automatic monitored control system |
| CN108956888A (en) * | 2018-07-26 | 2018-12-07 | 合肥云联电子科技有限公司 | A kind of monitoring method of intelligence industrial control equipment humidity exception |
| CN109272372A (en) * | 2018-07-28 | 2019-01-25 | 郭丁杰 | A kind of electronic firecracker shared system |
| CN108809789A (en) * | 2018-07-29 | 2018-11-13 | 合肥市智信汽车科技有限公司 | A kind of harmful influence haulage vehicle safety defense monitoring system |
| CN112650318A (en) * | 2020-09-09 | 2021-04-13 | 江苏振宁半导体研究院有限公司 | Temperature control system and method for transportation |
| CN112295137A (en) * | 2020-10-29 | 2021-02-02 | 义乌君保贸易有限公司 | Auxiliary device for reducing loss of computer room by self-alarming and self-extinguishing fire |
| CN112295137B (en) * | 2020-10-29 | 2021-12-10 | 江苏方洋智能科技有限公司 | Auxiliary device for reducing loss of computer room by self-alarming and self-extinguishing fire |
| CN114067526A (en) * | 2021-11-12 | 2022-02-18 | 武昌理工学院 | Dangerous chemical safety storage monitoring device and method |
| CN114115088A (en) * | 2021-11-12 | 2022-03-01 | 武昌理工学院 | Method and device for judging safety distance of hazardous chemical substance transport vehicle |
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| CN101937251B (en) | 2012-08-29 |
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