CN116212273A - Charging station protection facility equipped with pedestrian detection system - Google Patents
Charging station protection facility equipped with pedestrian detection system Download PDFInfo
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- CN116212273A CN116212273A CN202310151201.0A CN202310151201A CN116212273A CN 116212273 A CN116212273 A CN 116212273A CN 202310151201 A CN202310151201 A CN 202310151201A CN 116212273 A CN116212273 A CN 116212273A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Transportation (AREA)
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- Multimedia (AREA)
- Signal Processing (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
In order to prevent serious damage to vehicles and equipment around a charging platform caused by automobile parts possibly generated by explosion at any time when an electric automobile smokes or fires, and avoid damaging surrounding pedestrians, the invention designs a charging station protection facility provided with a pedestrian detection system, which comprises: the system comprises an infrastructure, an alarm facility, a monitoring facility and a control center. The invention is characterized in that the infrastructure is used for bringing an automobile into a closed space, the alarm facility is used for warning pedestrians, the monitoring facility is used for monitoring pedestrians, and the control center is used for feedback control decision, and the technical scheme of the invention is characterized in that: the pedestrian monitoring system is used for matching with the broadcasting voice broadcasting, the alarm and the warning sign to remind pedestrians of how to act when smoking or firing of the electric automobile, and meanwhile, the airtight space can isolate the external environment, so that the damage to surrounding vehicles, equipment and pedestrians caused by parts generated by the explosion of the electric automobile at any time is avoided.
Description
Technical Field
The invention relates to the field of new energy automobile safety, in particular to a charging station protection facility provided with a pedestrian detection system.
Background
The existing electric automobile has the problems of rising holding quantity year by year, spontaneous combustion during charging causes wide heat in recent years, and further explosion after spontaneous combustion is likely to cause great safety problems and property loss for users and society. The combustible material, the combustion supporting material (oxidant) and the ignition source are taken as the necessary conditions for combustion, no one strip is absent, combustion can not occur, and the battery can continuously self-ignite just because the battery is always exposed in the air, and certain gases in the air support the combustion of the battery. According to the new energy automobile fire extinguishing regulations established by the national fire department, the existing electric automobile battery can take 24 hours to extinguish completely when being ignited, if the electric automobile is always exposed to the air, explosion is extremely likely to happen at any time, in the prior art, even if the spontaneous combustion electric automobile is placed in a water tank, the water in the water tank is difficult to extinguish fire because the spontaneous combustion temperature of the battery can reach hundreds or thousands of degrees, the spontaneous combustion electric automobile can explode at a certain instant in the water, and flying parts can harm pedestrians, vehicles and public facilities nearby, so that further economic loss and social hazard are brought.
The existing pedestrian detection system is quite rich, but is not applied to an electric vehicle charging station, once the electric vehicle smokes or self-ignites, the electric vehicle is well controlled, meanwhile, the pedestrian is prompted, the pedestrian is also very important to be protected, and the safety of the pedestrian is the first place before an accident, so that a charging station protection facility with the pedestrian detection system is needed.
Disclosure of Invention
In order to prevent serious damage to vehicles and equipment around a charging platform caused by automobile parts possibly generated by explosion at any time when an electric automobile smokes or fires, and avoid surrounding pedestrians from being injured by parts flying out at high speed, the invention designs a charging station protection facility provided with a pedestrian detection system, and the charging station comprises: infrastructure, alarm facility, monitoring facility, control center.
The infrastructure comprises a shed (1), a charging platform (3), a telescopic supporting column (4), reinforcing ribs (5), foam water flow pore canals (6), a water tank (7), a supercharging device (8), a water spraying pipe (9), an air flow pore canal (10), a water ring vacuum pump (13), a warning sign (14), a pedestrian rest area (16), a charging pile (11) positioned beside the charging platform (3) and an automatic pop-up charging head (12), and a closed space with the length of 5 meters, the width of 3 meters and the height of 3 meters is arranged right below the charging platform (3); the charging platform (3) is 10 cm thick, reinforcing steel bars can be added in the charging platform, eight rectangular through holes (17) are symmetrically and uniformly distributed in the middle, a striking yellow paint parking landmark and a parking range are printed on the surface of the charging platform (3), six telescopic supporting columns are used for supporting (4) the lower surface of the charging platform (3), four reinforcing ribs (5) are arranged at the connecting position of each telescopic supporting column (4) and the charging platform (3), four reinforcing ribs (5) are arranged at the connecting position of each telescopic supporting column and the bottom surface of a closed space, small grooves (18) capable of simultaneously placing a smoke sensor and a temperature sensor are formed in the surface of the charging platform (3) above the middle two telescopic supporting columns (4), the telescopic supporting columns (4) are divided into three sections, the lower part of the uppermost section is supported by two high-strength springs, surrounding protruding parts are embedded in the sliding grooves of the middle section, a sensor is arranged in one section connected with the bottom surface of the closed space, the diameter of the charging platform is smaller than that of the middle section, pedestrian rest areas (16) are arranged on two sides of a charging area, a water ring is arranged facing an electric pile (2), and a charging pile (11) is arranged beside a conventional charging pile, and the charging pile is provided with a charging device (11;
the alarming facility comprises a first alarm, a second alarm and an emergency short message function module arranged in the charging pile (11), the first alarm and the second alarm are arranged on a wall above a pedestrian rest area (16), and the first alarm and the second alarm are triggered under the abnormal charging condition (the electric automobile smokes or fires);
the monitoring facility comprises a traceable monitoring camera (15), the monitoring camera (15) is arranged at the highest position of the cement wall to obtain an optimal view, each charging platform (3) is required to be provided with one monitoring camera (15), and the pedestrian detection system can be controlled by programming through the cloud platform;
the control center is arranged beside the monitoring camera (15), and the control decision is realized through the sensor after scientific decision is made through data feedback of the charging pile (11), the sensor and the monitoring facility;
after the electric automobile enters the charging platform (3), if the rear wheel of the electric automobile does not pass through a warning line, broadcasting voice broadcasting prompts the automobile owner to move to a range defined by a yellow paint parking landmark above the charging platform (3); if the pedestrian stops the electric automobile in the range defined by the yellow paint parking landmark, the monitoring camera (15) starts to track the pedestrian after the pedestrian enters the field of view of the monitoring camera (15); if the electric automobile starts to charge, after 10 seconds, the pedestrian does not leave the charging platform, and the pedestrian is detected to be positioned in the charging platform (3), but is not in the automobile, broadcasting voice broadcasting to prompt the pedestrian to walk to a pedestrian rest area (16) for rest; if the pedestrian is detected to be in the vehicle, broadcasting voice broadcasting and broadcasting to circularly play, prompting the pedestrian to charge danger, and taking a rest without sitting in the vehicle, and taking a rest by moving to a pedestrian rest area (16); if the pedestrian walks away from the charging platform (3), broadcasting voice broadcasting is turned off; if normal charging is completed, the pedestrian can pull off the charging head (12) which can automatically pop up, and the vehicle is driven to leave; if smoke is detected by a smoke sensor or a temperature sensor when the smoke sensor or the temperature sensor detects that the real-time temperature is higher than the dangerous temperature T1 (namely, when the smoke sensor or the temperature sensor detects an abnormal state), a first alarm bound with the smoke sensor and the temperature sensor starts to give an alarm, broadcasting voice broadcasting starts to broadcast danger of the charging platform (3), a pedestrian is requested to leave the dangerous charging platform (3) area quickly, meanwhile, an automatically-popped charging head (12) of a charging pile (11) is disconnected, a vehicle owner is notified of a charging station through an emergency short message function module arranged in the charging pile (11), the working and management personnel of the charging station are sent to an emergency fire department closest to the charging station, and at the moment, a pedestrian detection system tracks pedestrians around the dangerous charging platform (3); if the first alarm gives an alarm for 10 seconds and then detects that a pedestrian is positioned in the shed (1), the second alarm bound with the pedestrian detection system starts to give an alarm, prompts the pedestrian to quickly withdraw to a safe and open area outside the shed (1), and closes the second alarm until the pedestrian reaches the area; when the electric automobile smokes or fires, after the smoke sensor and the temperature sensor detect abnormal states, the control center feeds back decisions to the charging pile (11), the automatically-popped charging head (12) of the charging pile (11) is automatically disconnected from the charging interface of the electric automobile, when the pedestrian detection system detects that pedestrians are not at a charging level platform for 10 seconds continuously, the control center feeds back the decisions to the sensor at the bottom of the telescopic supporting columns (4), the uppermost one of the six telescopic supporting columns (4) starts to descend at a certain constant speed (for example, 2 m/s) at the same time, and the charging platform (3) descends together with the electric automobile; if a laser sensor arranged below a monitoring camera (15) monitors that the plane where an original charging platform (3) is located is free of barriers, a telescopic metal plate (21) around the charging platform (3) stretches out immediately, four sealing covers are spliced into a sealing space, a water ring vacuum pump (13) starts to work while the telescopic metal plate (21) stretches out, air in the sealing space is pumped to the outside, at the moment, the pressure in the sealing space is smaller than the pressure in a water tank (7), a pressurizing device (8) is arranged between a water spraying pipe (9) and the water tank (7), foam water in the water tank (7) is sprayed out from the water spraying pipe (9) and faces eight rectangular through holes (17) below the charging platform (3), so that the foam water can be sprayed to a battery of an electric automobile to extinguish the fire and cool the battery in time; if the sensor at the bottom of the telescopic supporting columns (4) receives signals after extinguishing fire and reducing temperature, the six telescopic supporting columns (4) start to rise upwards, and when the telescopic supporting columns start to extend, the telescopic metal plates (21) around the charging platform (3) need to retract to reset the charging platform (3), so that the whole process realizes the control of the fire of the electric automobile and the protection of pedestrian safety;
further, the dangerous temperature of the temperature sensor is set to be T1, the temperature sensor and the smoke sensor are placed in small grooves on the surface of the charging platform above the middle two telescopic supporting columns, when the temperature sensor detects that the real-time temperature is higher than the dangerous temperature T1, the automatic pop-up charging head of the charging pile is disconnected, an emergency short message function module arranged inside the charging pile informs related personnel, a pedestrian detection system starts to continuously monitor whether a pedestrian is on the charging platform for 10 seconds, and the steps are all synchronous.
Further, the first alarm mainly prompts danger of a charging platform, the second alarm mainly prompts pedestrians to evacuate to a safe and open area outside the carport, and when the first alarm and the second alarm are triggered simultaneously, alternate voice broadcasting can be set.
Further, the bottom and top of the telescopic support column are provided with reinforcing ribs, which aim to improve the fixing and supporting action of the telescopic support column.
Further, the six telescopic supporting columns start to descend at a certain constant speed (for example, 2 m/s) to a position which is one meter away from the bottom of the closed space, the telescopic supporting columns are divided into three sections, the uppermost section can slide in the sliding groove of the middle section, namely, the telescopic supporting columns can ascend and descend through the control of the sensor at the bottom, the charging platform and the vehicle can enter the closed space through descending, ascending is convenient for the later maintenance of equipment in the closed space and the supply of foam water, two high-strength springs are arranged at the front and back of the bottom, and when the uppermost section is stopped at any position in the sliding groove, the uppermost section can be supported by the high-strength springs at the bottom.
Further, each charging platform of the charging station can be provided with a number, so that after the alarm number one alarms, the number of the charging platform where the accident vehicle is located can be broadcasted by broadcasting voice broadcasting, signals are fed back to the control center through the smoke sensor or the temperature sensor, and then feedback decisions are fed back to the sensors through the control center.
Further, eight rectangular through holes which are symmetrically and uniformly distributed are formed in the middle of the charging platform, so that the foam water spray pipe can spray a battery at the bottom of the electric automobile through the rectangular through holes on one hand, and the electric automobile can park at will in the parking range of the electric platform on the other hand, so that foam water can cover a parking area in the charging platform conveniently.
Further, the water ring vacuum pump is connected with the high-power motor, is directly driven by the high-power motor, the air suction end is led into the closed space, the pipeline of the water ring vacuum pump is arranged in the air circulation pore canal, the air discharge end is led out of the closed space, the water ring vacuum pump can enable the pressure in the water tank to be higher than the pressure in the closed space, the water spraying speed is improved, and the fire extinguishing or cooling is accelerated;
further, the retractable metal plate can be connected with the motor, driven by the motor, and after receiving signals, a sensor connected with the motor gives a motor driving instruction to extend the motor.
Further, the water tank is filled with conventional foam water, and the foam water has the advantage that a foam coating layer can be formed on the surface of the combustion object, so that the surface of the combustion object is isolated from air, and the oxygen concentration of water vapor generated by the heated evaporation of the foam can be reduced, so that the fire extinguishing effect is more effective than that of the conventional water.
Further, the water tank is placed below the bottom surface of the closed space, a certain gap is reserved between the water tank and the closed space, so that the pressurizing device is placed in the water tank, the length, the width and the height of the water tank can be designed by themselves, and a plurality of foam water pore canals connected with the water tank are formed in the bottom of the closed space so that foam water can flow back to the water tank again for recycling, and resources are saved.
Further, after the charging platform carrying the electric automobile is lowered to a position one meter away from the bottom of the closed space, a temperature sensor can be arranged between the charging platform and the ground every five meters high of the zero point of lowering, and the temperature sensor is used for detecting the temperature of the electric automobile after fire extinguishment and judging whether the electric automobile is separated from danger or not, so that signal support is provided for lifting the telescopic supporting column.
Further, the duration of the fire extinguishing process is not long, because the capacity of the closed space is limited, under the combined action of the water ring vacuum pump and the foam water pouring, the fire can be controlled quickly, and a temperature sensor is arranged every one meter down, so that whether the temperature reaches the safe rising condition or not is detected in real time, and the situation that the electric automobile stays in the closed space for too long time is avoided.
Further, the function of airtight space can isolate the air on the one hand, cuts off the necessary condition of burning, in time restrain burning or smoking degree, on the other hand considers the in-process of putting out a fire, electric automobile probably can take place the explosion at any time, but in airtight space, the car spare part that explosion produced also can not fly out in the airtight space, avoid the spare part that high-speed flies out probably can bring serious destruction to other vehicles or equipment around the charging platform, even produce more serious result (for example initiate the explosion) to bring secondary economic loss, can also protect the pedestrian to avoid the huge impact that explosion spare part brought simultaneously, prevent that it from endangering pedestrian's life safety.
Further, can be under the cement wall towards electric automobile, stand warning sign suggestion pedestrian: after the electric automobile charges, do not stay on the charging platform, and simultaneously when the electric automobile gets into the charging station, the staff of charging station can be orally reminded or stand the tablet at the entrance and remind the car owner to charge the time do not stay on the charging platform, otherwise can trigger the siren.
Further, the automatic pop-up charging head is divided into two parts, one part is a charging part with a charging function and a cylinder, an electromagnet is sleeved outside the charging part, the other part is a sleeve pop-up part nested outside the charging head, the protruding part of the inner ring of the sleeve pop-up part is a permanent magnet, after the sleeve pop-up part is inserted into a charging port, the two magnets are attracted together, the spring is pre-tensioned (pre-tensioning force is less than the attraction force between the magnets), when the automobile is abnormally charged (smoke or fire occurs), the forward current of the charging part is changed into reverse current, the magnetism of the electromagnet is weakened, the attraction force between the electromagnet and the permanent magnet is weakened, and the existence of the delay of the reverse current and the counter electromotive force is considered, so that the pre-tensioning force of the spring is greater than the attraction force of the two magnets when the forward current changes into the reverse current, and the charging part can be smoothly pushed out.
Further, the function of the temperature sensor placed together with the smoke sensor is to detect whether the temperature is abnormal or not, and feed back the abnormal condition to the control center, the control center makes a decision, the control center feeds back the decision to the sensor at the bottom layer of the telescopic supporting column, when the telescopic supporting column descends is comprehensively judged by combining with the pedestrian detection system, and the temperature sensor in the closed space is used for judging whether the temperature of the electric automobile reaches the safety standard or not and whether the platform can be lifted or not.
Compared with the prior art, the invention has the following beneficial effects:
the invention designs a charging station protection facility with a pedestrian detection system, which utilizes a pedestrian detection system program arranged in a monitoring camera to monitor the area where a pedestrian is located in real time, and through broadcasting a voice broadcast, a second alarm and various striking warning signs, prompts the pedestrian to move when encountering smoke or fire of an electric automobile, and simultaneously, the charging platform can be lifted through a telescopic supporting column, so that the electric automobile can be brought into a closed space, maintenance of equipment in the closed space after an accident and supply of foam water in a water tank can be facilitated, the closed space can isolate air, the necessary condition of cutting off combustion and the combined action of a water ring vacuum pump can timely restrain the combustion or smoke degree, on the other hand, the explosion of the electric automobile possibly occurs at any time, the automobile parts generated by the explosion can be prevented from flying out of the closed space, serious damage to other vehicles or equipment around the charging platform possibly caused by the high-speed flying parts is avoided, even serious consequences (such as initiation of the explosion) are brought about, the secondary economic loss is brought, and the huge impact caused by the explosion parts of the explosion can be prevented, and the safety of the pedestrian is prevented from being brought to life.
Drawings
FIG. 1 is an overall side view of a charging station protection facility;
FIG. 2 is a top view of an overall configuration of a charging station;
FIG. 3 is a top view of a single charging platform carrying an electric vehicle;
FIG. 4 is a schematic view of gaps and guard lines between a charging platform and surrounding telescoping structures;
FIG. 5 is a schematic diagram illustrating the operation of an auto-pop-up charging head;
FIG. 6 is a schematic view of a telescopic part around the charging platform;
FIG. 7 is a cross-sectional view of a telescoping support column;
FIG. 8 is a flow chart of broadcasting a voice broadcast and alerting an alarm to a pedestrian;
wherein, corresponding reference numerals are as follows: the intelligent charging system comprises a 1-carport, a 2-electric automobile, a 3-charging platform, a 4-telescopic supporting column, a 5-reinforcing rib, a 6-foam water flow channel, a 7-water tank, an 8-supercharging device, a 9-water spraying pipe, a 10-air flow channel, an 11-charging pile, a 12-automatically-poppable charging head, a 13-water ring vacuum pump, a 14 warning sign, a 15-monitoring camera, a 16-pedestrian rest area, a 17-rectangular through hole on the charging platform, a 18-groove for accommodating a smoke sensor and a temperature sensor, a 19-automatically-poppable charging head popping part, a 20-automatically-poppable charging head charging part and a 21-charging head surrounding telescopic metal plate.
Wherein arrows on both sides of the water tank in fig. 1 indicate the flow direction of the foam water, and arrows in the duct indicate the flow direction of the air, in a thickened form for the purpose of distinguishing the charging platform from the ground.
Wherein, the pedestrian rest areas on both sides in fig. 2 are provided with a connecting seat, and the warning board is provided with yellow striking prompt characters.
In fig. 4, the bold solid line is a warning line, and the arrow indicates the head direction of the automobile.
In fig. 5, the upper diagram is in an inactive state, and the lower diagram is in an active state.
In fig. 6, the charging platform and the surrounding telescopic part are enlarged to see that a five-millimeter gap exists between the charging platform and the surrounding telescopic part, and in fig. 6, the number 1 and the number 2 respectively indicate that two longitudinal sides of the automobile are telescopic, the number 3 and the number 4 respectively indicate that two transverse sides of the automobile are telescopic, and the numbers 1 to 4 form a sealing cover of the sealed space.
In fig. 7, the uppermost section and the middle section are of a telescopic supporting column structure, the lowermost section and the middle section are integrated, and the division into three sections is mainly for distinguishing the lowermost section as a fixing function, and particularly the middle section and the lowermost section are divided into two sections, and the middle section is provided with a sliding groove, and the protruding structures on two sides of the uppermost section can slide at corresponding positions of the sliding groove under the control of a bottom sensor of the telescopic supporting column, so that the lifting of the telescopic supporting column can be controlled, and the bottom spring is not positioned at the center line of the sectional view.
Detailed Description
In order that those skilled in the art will better understand the present invention, a detailed and complete description of embodiments of the present invention will be provided below, with reference to the accompanying drawings, wherein the described embodiments are merely some, but not all, embodiments of the present invention. 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, shall fall within the scope of the invention.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present invention by way of illustration, and the figures merely show the components related to the present invention, not the number, shape, and layout pattern of the components in actual implementation, which may be more complex.
Example 1
Referring to fig. 1 to 8, a charging station workflow provided with the "charging station protection facility equipped with pedestrian detection system" described above:
when the pedestrian drives the electric automobile (2) to enter the field of view of the monitoring camera (15), the monitoring camera (15) starts to track the pedestrian, and the broadcasting voice broadcasting prompts the automobile to stop the electric automobile (2) in the range defined by the yellow paint parking landmark above the charging platform (3), when the electric automobile charges, the broadcasting voice broadcasting prompts the pedestrian to walk to a pedestrian rest area (16) for rest, if normal charging is completed, the pedestrian can pull out the automatic pop-up charging head (12), and the driving is self-leaving; if smoke is detected by a smoke sensor or a temperature sensor detects that the real-time temperature is higher than the dangerous temperature T1 in the charging process of the electric automobile, a first alarm starts to give an alarm, broadcasting voice broadcasting prompts pedestrians that the charging platform (3) is dangerous, pedestrians leave the area of the charging platform (3), the first alarm starts to give an alarm, meanwhile, an automatically-popped charging head (12) of a charging pile (11) is disconnected, and an emergency short message function module arranged in the charging pile (11) is used for informing an owner, a worker and a manager of a charging station and sending the emergency short message function module to an emergency fire department closest to the charging station, and a pedestrian detection system monitors pedestrians around the dangerous charging platform (3); if the first alarm gives an alarm for 10 seconds and then monitors that the pedestrian is positioned in the shed (1), the second alarm starts to give an alarm, prompts the pedestrian to quickly withdraw to a safe and open area outside the shed (1), and is closed until the pedestrian reaches the area; when the electric automobile smokes or fires, after the smoke sensor and the temperature sensor detect abnormal states, the control center feeds back decisions to the charging pile (11), the automatically-popped charging head (12) of the charging pile (11) is automatically disconnected from the charging interface of the electric automobile, when the pedestrian detection system detects that the pedestrian is not in the charging platform (3) for 10 seconds continuously from the time of smoking or fires of the electric automobile, the control center feeds back the decisions to the sensor at the bottom of the telescopic supporting columns (4), and the uppermost section of the six telescopic supporting columns (4) starts to descend at the speed of 2m/s simultaneously, and the charging platform (3) descends together with the electric automobile; if a laser sensor arranged below a monitoring camera (15) detects that the plane where an original charging platform (3) is positioned is free of barriers, a telescopic metal plate (21) around the charging platform (3) stretches out immediately, four sealing covers are spliced into a sealing cover of a closed space, a water ring vacuum pump (13) starts to work, air in the closed space is pumped to the outside, the pressure in the closed space is smaller than the pressure in a water tank (7), a pressurizing device (8) is arranged between a water spraying pipe (9) and the water tank (7), foam water in the water tank (7) is sprayed out of the water spraying pipe (9) and faces eight rectangular through holes (17) below the charging platform (3), so that the foam water can be sprayed to a battery at the bottom of an electric automobile to extinguish the fire and cool the battery in time; if the sensor at the bottom of the telescopic supporting columns (4) receives signals after fire extinguishment and temperature reduction, the six telescopic supporting columns (4) start to lift upwards, and meanwhile, the telescopic metal plates (21) around the charging platform (3) need to retract to reset the charging platform (3).
Through above-mentioned step, utilize pedestrian detecting system who establishes in the surveillance camera head, the real-time supervision pedestrian is in the region, through broadcasting voice broadcast, a siren, no. two sirens and warning sign, prompt pedestrian runs into when electric automobile smokes or fires, this action, simultaneously, lift charging platform through scalable back post, can not only bring electric automobile into airtight space, can also be convenient for the maintenance of airtight space equipment after the accident and the supply of foam water in the water tank, airtight space on the one hand can the isolation air, under the combined action of the prerequisite of cutting off burning and water ring vacuum pump, in time restrain burning or smoking degree, on the other hand the automobile spare part that electric automobile probably explodes at any time produced causes serious destruction to vehicle and equipment around the charging platform, avoid its pedestrian that hurts on every side simultaneously, the whole process has realized the control of electric automobile fire and pedestrian safety's protection, further economic loss and social hazard are avoided to the maximum extent.
Claims (6)
1. A charging station protection facility equipped with a pedestrian detection system, comprising:
the infrastructure comprises a shed (1), a charging platform (3), a telescopic supporting column (4), a reinforcing rib (5), a foam water flow pore canal (6), a water tank (7), a supercharging device (8), a water spray pipe (9), an air flow pore canal (10), a water ring vacuum pump (13), a warning sign (14), a pedestrian rest area (16), a charging pile (11) and an automatic pop-up charging head (12) which are positioned beside the charging platform (3), and a closed space which is 5 meters long, 3 meters wide and 3 meters high and is arranged right below the charging platform (3);
the alarming facility comprises a first alarm, a second alarm and an emergency short message function module arranged in the charging pile (11), the first alarm and the second alarm are arranged on a wall above a pedestrian rest area (16), and the first alarm and the second alarm are triggered under the abnormal charging condition (the electric automobile smokes or fires);
the monitoring facility comprises a traceable monitoring camera (15), the monitoring camera (15) is arranged at the highest position of the cement wall to obtain an optimal view, each charging platform (3) is required to be provided with one monitoring camera (15), and the pedestrian detection system can be controlled by programming through the cloud platform;
the control center is arranged beside the monitoring camera (15), and the control decision is realized through the sensor after scientific decision is made through data feedback of the charging pile (11), the sensor and the monitoring facility;
after the electric automobile (2) enters the charging platform (3), if the rear wheel of the electric automobile does not pass through a warning line, broadcasting a voice report to prompt an automobile owner to move to a range defined by a yellow paint parking landmark above the charging platform (3); if the pedestrian stops the electric automobile in the range defined by the yellow paint parking landmark, the monitoring camera (15) starts to track the pedestrian after the pedestrian enters the field of view of the monitoring camera (15); if the electric automobile starts to charge, after 10 seconds, the pedestrian does not leave the charging platform, and the pedestrian is detected to be positioned in the charging platform (3), but is not in the automobile, broadcasting voice broadcasting to prompt the pedestrian to walk to a pedestrian rest area (16) for rest; if the pedestrian is detected to be in the vehicle, broadcasting voice broadcasting and broadcasting to circularly play, prompting the pedestrian to charge danger, and taking a rest without sitting in the vehicle, and taking a rest by moving to a pedestrian rest area (16); if the pedestrian leaves the charging platform (3), broadcasting voice broadcasting is turned off; if normal charging is completed, the pedestrian can pull off the charging head (12) which can automatically pop up, and the vehicle is driven to leave; if smoke is detected by a smoke sensor or a temperature sensor when the smoke sensor detects that the real-time temperature is higher than the dangerous temperature T1 in the charging process, a first alarm starts to give an alarm, broadcasting voice broadcasting starts to broadcast danger of the charging platform (3), a pedestrian is requested to leave the dangerous charging platform (3) area quickly, meanwhile, an automatically-popped charging head (12) of a charging pile (11) is disconnected, and an emergency short message function module arranged in the charging pile (11) is used for notifying a vehicle owner, a worker and a manager of a charging station and sending the worker and the manager to an emergency fire department closest to the charging station, and at the moment, a pedestrian detection system tracks pedestrians around the dangerous charging platform (3); if the first alarm gives an alarm for 10 seconds and then detects that a pedestrian is positioned in the shed (1), the second alarm starts to give an alarm, prompts the pedestrian to quickly withdraw to a safe and open area outside the shed (1), and is closed until the pedestrian reaches the area; when the electric automobile smokes or fires, after the smoke sensor and the temperature sensor detect abnormal states, the control center feeds back decisions to the charging pile (11), the automatically-popped charging head (12) of the charging pile (11) is automatically disconnected from the charging interface of the electric automobile, when the pedestrian detection system detects that pedestrians are not at a charging level platform for 10 seconds continuously, the control center feeds back the decisions to the sensor at the bottom of the telescopic supporting columns (4), the uppermost one of the six telescopic supporting columns (4) starts to descend at a certain constant speed (for example, 2 m/s) at the same time, and the charging platform (3) descends together with the electric automobile; if a laser sensor arranged below a monitoring camera (15) detects that the plane where an original charging platform (3) is located is free of barriers, a telescopic metal plate (21) around the charging platform (3) is immediately stretched out, and four sealing covers are spliced, so that a sealing cover of a closed space is formed, when the telescopic metal plate (21) is stretched out, a water ring vacuum pump (13) starts to work, air in the closed space is pumped to the outside, at the moment, the pressure in the closed space is smaller than the pressure in a water tank (7), a pressurizing device (8) is arranged between a water spraying pipe (9) and the water tank (7), foam water in the water tank (7) is sprayed out from the water spraying pipe (9) and is opposite to eight rectangular through holes (17) below the charging platform (3), so that the foam water can be sprayed to a battery of an electric automobile to extinguish the fire and cool the battery in time; if after the temperature is reduced by fire extinguishing, after the sensor at the bottom of the telescopic supporting columns (4) receives signals, the six telescopic supporting columns (4) start to rise upwards, meanwhile, the telescopic metal plates (21) around the charging platform (3) need to retract to be in an original state for resetting the charging platform (3), and the whole process realizes the control of the fire of the electric automobile and the protection of pedestrian safety.
2. The charging station protection facility equipped with the pedestrian detection system according to claim 1, wherein the pedestrian detection system, in combination with a broadcast voice broadcast and an alarm and various eye-catching warning signs, can remind pedestrians of smoke or fire when encountering an electric vehicle.
3. The charging station protection facility equipped with the pedestrian detection system according to claim 1, wherein the automatically-poppable charging head is divided into two parts, one part is a cylindrical charging part with an electromagnet sleeved outside and the other part is a sleeve popping part sleeved outside the charging head and sleeved with an inner ring which is a permanent magnet, after the sleeve popping part is inserted into a charging port of an electric automobile, the two magnets are attracted together, when the automobile is charged and smoked or on fire, the forward current of the charging part is changed into reverse current, at the moment, the magnetism of the electromagnet is weakened, the pretightening force of the spring is larger than the attraction force of the two magnets when the forward current changes into reverse current, so that the charging part can be pushed out smoothly, and the outer sleeve popping part can also protect the charging part from collision and abrasion during landing.
4. The charging station protection facility equipped with the pedestrian detection system according to claim 1, wherein the closed space can isolate air, timely inhibit combustion or smoke generation, and prevent damage to vehicles, equipment and pedestrians around the charging platform caused by automobile parts possibly generated by explosion of the electric automobile at any time.
5. A charging station protection installation equipped with a pedestrian detection system according to claim 1, wherein the telescopic support column is capable of being lifted up and down, the lifting of which enables the charging platform and the vehicle to enter the enclosed space, and the lifting of which facilitates the later maintenance of the equipment inside the enclosed space and the supply of foam water.
6. The charging station protection facility equipped with the pedestrian detection system according to claim 1, wherein the bottom surface of the stretchable metal plate is provided with a layer of heat insulating material for preventing the stretchable metal plate from being deformed by heat due to an excessively high temperature of the electric vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310151201.0A CN116212273A (en) | 2023-02-22 | 2023-02-22 | Charging station protection facility equipped with pedestrian detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310151201.0A CN116212273A (en) | 2023-02-22 | 2023-02-22 | Charging station protection facility equipped with pedestrian detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116434521A (en) * | 2023-06-14 | 2023-07-14 | 湖南警察学院 | Pedestrian guiding device for traffic safety |
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2023
- 2023-02-22 CN CN202310151201.0A patent/CN116212273A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116434521A (en) * | 2023-06-14 | 2023-07-14 | 湖南警察学院 | Pedestrian guiding device for traffic safety |
| CN116434521B (en) * | 2023-06-14 | 2023-10-03 | 湖南警察学院 | Pedestrian guiding device for traffic safety |
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