CN110562036A - Vehicle electronic forced stopping system integrated in intelligent police car and forced stopping method - Google Patents
Vehicle electronic forced stopping system integrated in intelligent police car and forced stopping method Download PDFInfo
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- CN110562036A CN110562036A CN201910722043.3A CN201910722043A CN110562036A CN 110562036 A CN110562036 A CN 110562036A CN 201910722043 A CN201910722043 A CN 201910722043A CN 110562036 A CN110562036 A CN 110562036A
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- parking system
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000008878 coupling Effects 0.000 claims abstract description 23
- 238000010168 coupling process Methods 0.000 claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 claims abstract description 23
- 230000008859 change Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
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- 238000007689 inspection Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
Abstract
The invention discloses a vehicle electronic forced stopping system and a forced stopping method integrated in an intelligent police car. The electronic forced parking system for the vehicle utilizes high-power electromagnetic waves radiated to the suspected vehicle directionally, can interfere an engine computer, an ignition circuit, a key sensor and the like of a target vehicle after multidimensional electromagnetic coupling, and ignition signals are interfered to cause the engine of the vehicle to be incapable of burning normally, so that the engine is flamed out, the vehicle loses power, the target vehicle is stopped in a non-contact manner, the electronic forced parking system is remotely controlled and safe to operate, radiation beams have directivity, the modular design is realized, the output power is adjustable, the remote operation risk of law enforcement personnel is low, and the out-of-control coefficient in the vehicle stopping execution process is reduced.
Description
Technical Field
the invention relates to the technical field of police cars, in particular to a vehicle electronic forced stopping system integrated in an intelligent police car, and also relates to a vehicle electronic forced stopping method integrated in the intelligent police car.
background
Police cars (Police cars) are motor vehicles, and units such as public security agencies, national security agencies, prison authorities, community correction agencies, and national courts, and human inspection yards are used to perform emergency duties. The license plate of the police car is usually white, and the Chinese characters at the rear end of the license plate are red warning characters. When the traffic is crowded, the police duty car on duty can pass through preferentially. When the police car executes the emergency task and uses the police mark lamp and the alarm, the police car enjoys the priority right of passage; the police car and the guard fleet thereof can be free from the limitation of a driving route, a driving direction, a driving speed, a traffic signal lamp and a traffic sign marking under the principle of ensuring safety.
When a police car chase suspicion vehicle, the existing police car cannot realize remote control due to the fact that a remote forced stopping system is not arranged, so that operation risk of law enforcement personnel is high, and the risk of out-of-control exists in the execution process.
Disclosure of Invention
The invention aims to provide a vehicle electronic forced stopping system and a forced stopping method integrated in an intelligent police car, wherein the vehicle electronic forced stopping system is used for directionally radiating high-power electromagnetic waves to a suspected vehicle, and can interfere with an engine computer, an ignition circuit, a key sensor and the like of a target vehicle after multidimensional electromagnetic coupling, and an ignition signal is interfered to cause that a vehicle engine cannot normally burn, so that the engine is flamed out, the vehicle loses power, the target vehicle is stopped in a non-contact manner, remote control is realized, the operation is safe, radiation beams have directivity, the modularized design is realized, the output power is adjustable, the remote operation risk of law enforcement personnel is low, and the out-of-control coefficient in the vehicle stopping execution process is reduced, so that the problem provided in the background technology is solved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an integration is in vehicle electron system of compelling to stop of wisdom police service car, includes vehicle-mounted terminal, vehicle-mounted terminal electric connection has electromagnetic wave transmitting equipment, electromagnetic wave transmitting equipment signal connection has multidimension electromagnetic coupling module, multidimension electromagnetic coupling module signal connection has engine computer, ignition circuit and key sensor.
Preferably, the vehicle-mounted terminal comprises a vehicle-mounted video server, an LCD touch screen, an external camera, a call handle, an automobile burglar alarm and other external equipment.
Preferably, the frequency range of the high-power electromagnetic wave emitted by the electromagnetic wave emitting device is 1 GHz-300 GHz.
Preferably, the electromagnetic coupling in the multidimensional electromagnetic coupling module is realized by the existence of mutual inductance between two circuits, so that the current change of one circuit affects the other circuit through the mutual inductance.
preferably, the engine computer is an ECU, and the ECU is composed of a Microprocessor (MCU), a memory (ROM, RAM), an input/output interface (I/O), an analog-to-digital converter (a/D), and a shaping and driving lsi.
Preferably, the ignition circuit is a single-tube dc converter circuit that converts dc to ac.
Preferably, the key sensors include an air flow sensor, an intake air temperature sensor, a throttle position sensor, a water temperature sensor, a camshaft position sensor, a crankshaft position sensor, a knock sensor, and an oxygen sensor.
The invention also provides a vehicle electronic forced stopping method integrated in the intelligent police car, which comprises the following steps:
S1: the high-power electromagnetic waves are directionally radiated to the suspect vehicle through electromagnetic wave transmitting equipment connected with a vehicle-mounted terminal of the police car;
s2: high-power electromagnetic waves are coupled through a multi-dimensional electromagnetic coupling module;
S3: after multidimensional electromagnetic coupling, an engine computer, an ignition circuit and a key sensor of a target automobile are interfered, and an ignition signal is interfered to cause that an engine of the automobile can not normally burn, so that the engine is flamed out, and the automobile loses power.
Compared with the prior art, the invention has the beneficial effects that:
1. The electronic forced parking system for the vehicle utilizes high-power electromagnetic waves radiated to the suspected vehicle directionally, can interfere an engine computer, an ignition circuit, a key sensor and the like of a target vehicle after multidimensional electromagnetic coupling, and ignition signals are interfered to cause the engine of the vehicle to be incapable of burning normally, so that the engine is flamed out, the vehicle loses power, the target vehicle is stopped in a non-contact manner, the electronic forced parking system is remotely controlled and safe to operate, radiation beams have directivity, the modular design is realized, the output power is adjustable, the remote operation risk of law enforcement personnel is low, and the out-of-control coefficient in the vehicle stopping execution process is reduced.
Drawings
FIG. 1 is a block diagram of an electronic forced parking system integrated in an intelligent police car according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides an integration is in vehicle electron system of compelling to stop of wisdom police service car, includes vehicle-mounted terminal, vehicle-mounted terminal electric connection has electromagnetic wave transmitting equipment, electromagnetic wave transmitting equipment signal connection has multidimension electromagnetic coupling module, multidimension electromagnetic coupling module signal connection has engine computer, ignition circuit and key sensor.
Specifically, the vehicle-mounted terminal comprises a vehicle-mounted video server, an LCD touch screen, an external camera, a call handle, an automobile burglar alarm and other external equipment.
The vehicle-mounted video server collects audio and video signals and compresses the audio and video signals into digital streams, and the digital streams are transmitted to a user monitoring center through a cdma20001x wireless network and other wireless networks, so that the purposes of remote monitoring and emergency command are achieved. The vehicle-mounted video server needs simultaneous coding of double code streams, including local independent video code streams and network transmission code streams.
The user needs to extract the data monitored by the video, and two modes can be adopted: firstly, the remote calling is carried out through a USB port of the vehicle-mounted terminal and secondly through EV-DO (cdma 20001x, Wi-Fi).
Specifically, the frequency range of the high-power electromagnetic wave transmitted by the electromagnetic wave transmitting device is 1 GHz-300 GHz.
Specifically, the electromagnetic coupling in the multidimensional electromagnetic coupling module is that mutual inductance exists between two circuits, so that the current change of one circuit affects the other circuit through the mutual inductance.
The phenomenon that the input and the output of two or more circuit elements or electric networks are closely matched and mutually influenced and energy is transmitted from one side to the other side through interaction exists; coupling in general terms refers to a measure of the interdependence of two entities.
Specifically, the engine computer is an ECU, and the ECU is composed of a Microprocessor (MCU), a memory (ROM, RAM), an input/output interface (I/O), an analog-to-digital converter (a/D), and a shaping and driving lsi.
the voltage working range of ECU is generally 6.5 ~ 16V (the internal key position is equipped with voltage ~ stabilizing device), working current is 0.015 ~ 0.1A, working temp. is ~ 40 deg.C ~ 80 deg.C, and can bear vibration below 1000Hz, so that the probability of ECU damage is very small, in the ECU CPU is core portion, it possesses the functions of operation and control, when the engine is run, it can collect the signal of every sensor, make operation, and can convert the operation result into control signal to control the work of controlled object, it also can implement control of memory (ROM/FLASH/EEPROM, RAM), input/output interface (I/O) and other external circuit, the program stored in the ROM is compiled on the basis of the data obtained by accurate calculation and large quantity experiment, said inherent program can continuously make comparison and calculation with the collected signal of every sensor when the engine is run, and the compared and calculated result can be used for controlling several parameters of ignition, air ~ fuel ratio, idle speed and waste gas recirculation of engine.
in some cars, the ECU is not only applied to the engine, but its shadow can be found in many other places. Such as an anti-lock brake system, a four-wheel drive system, an electronically controlled automatic transmission, an active suspension system, an airbag system, a multi-direction adjustable electronic control seat, etc., are provided with their respective ECUs. With the improvement of the electronic automation of the car, the number of ECUs is increased and the circuit is complicated. In order to simplify the circuit and reduce the cost, a technology called multiplexing communication network is adopted for information transmission among a plurality of ECUs on the automobile, and the ECUs of the whole automobile form a network system, namely a CAN data bus.
Specifically, the ignition circuit is a single-tube dc converter circuit that converts dc to ac.
specifically, the key sensors include an air flow sensor, an intake air temperature sensor, a throttle position sensor, a water temperature sensor, a camshaft position sensor, a crankshaft position sensor, a knock sensor, and an oxygen sensor.
the intake pressure sensor can measure the absolute pressure in the intake manifold according to the load state of the engine, and converts the absolute pressure into an electric signal and a rotating speed signal which are sent to the computer together to be used as a basis for determining the basic fuel injection quantity of the fuel injector. Semiconductor piezoresistor type air inlet pressure sensors are widely used at present.
The throttle position sensor is mounted on the throttle valve and detects the opening of the throttle valve. It is linked with the throttle valve through a lever mechanism, and further reflects different working conditions of the engine. The sensor can input different working conditions of the engine into an Electronic Control Unit (ECU) after detecting the working conditions, thereby controlling different fuel injection quantities. It has three types: a switch contact type throttle position sensor, a linear variable resistance type throttle position sensor and an integrated type throttle position sensor.
The semiconductor thermistor is arranged inside the sensor, and the lower the temperature is, the larger the resistance is; on the contrary, the smaller the resistance is, the lower the resistance is, the water jacket installed on the engine cylinder body or the cylinder cover is directly contacted with the cooling water, thereby obtaining the temperature of the engine cooling water. The electric control unit measures the temperature of the cooling water of the engine according to the change, and the lower the temperature is, the larger the resistance is; conversely, the smaller the resistance. The electronic control unit detects the temperature of the engine cooling water as a correction number of the fuel injection and ignition timing based on this change. In short, the current running state, stopping or moving, or the length of moving time and the like of the automobile can be known through the temperature of the water temperature of the engine.
The camshaft position sensor adopts a Hall sensor. When the sensor fails and the signal is interrupted, the engine continues to operate and can be started again. However, the injection is not completed when the intake valve is opened, but is completed before the intake valve is closed (i.e., the injection time is increased), and thus the influence on the quality of the mixture is extremely small, and the overall performance of the engine is not affected. At the same time, the knock adjustment will stop because the control unit cannot determine which cylinder is about to reach compression top dead center. In order to prevent the engine from knocking, the control unit will automatically reduce the spark advance angle.
The crank angle sensor is the most important sensor in the computer-controlled ignition system, and is used for detecting a top dead center signal, a crank angle signal and an engine speed signal and inputting the signals into a computer, so that the computer can send an ignition time command according to the ignition sequence of cylinders. There are three types of crankshaft position sensors: electromagnetic pulse type crankshaft position sensor, Hall effect type crankshaft position sensor, photoelectric effect type crankshaft position sensor. The crankshaft position sensor has different types, and the control mode and the control precision are different. The crankshaft position sensor is generally mounted on the side of the crankshaft pulley or sprocket, some are mounted at the front end of the camshaft, and some are mounted on the distributor.
The knock sensor is arranged on a cylinder body of the engine and monitors the knock condition of the engine at any time. At present, two major types of resonant type and non-resonant type are adopted.
The oxygen sensor is a key feedback sensor in an electronic fuel injection engine control system, is a key part for controlling the emission of automobile exhaust, reducing the pollution of an automobile to the environment and improving the fuel combustion quality of an automobile engine, and is arranged on an engine exhaust pipe.
The invention also provides a vehicle electronic forced stopping method integrated in the intelligent police car, which comprises the following steps:
S1: the high-power electromagnetic waves are directionally radiated to the suspect vehicle through electromagnetic wave transmitting equipment connected with a vehicle-mounted terminal of the police car;
S2: high-power electromagnetic waves are coupled through a multi-dimensional electromagnetic coupling module;
S3: after multidimensional electromagnetic coupling, an engine computer, an ignition circuit and a key sensor of a target automobile are interfered, and an ignition signal is interfered to cause that an engine of the automobile can not normally burn, so that the engine is flamed out, and the automobile loses power.
in summary, the following steps: the electronic forced parking system for the vehicle utilizes high-power electromagnetic waves radiated to the suspected vehicle directionally, can interfere an engine computer, an ignition circuit, a key sensor and the like of a target vehicle after multidimensional electromagnetic coupling, and ignition signals are interfered to cause the engine of the vehicle to be incapable of burning normally, so that the engine is flamed out, the vehicle loses power, the target vehicle is stopped in a non-contact manner, the electronic forced parking system is remotely controlled and safe to operate, radiation beams have directivity, the modular design is realized, the output power is adjustable, the remote operation risk of law enforcement personnel is low, and the out-of-control coefficient in the vehicle stopping execution process is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an integration is in vehicle electron system of compelling to stop of wisdom police service car, includes vehicle-mounted terminal, its characterized in that: the vehicle-mounted terminal is electrically connected with electromagnetic wave transmitting equipment, the electromagnetic wave transmitting equipment is in signal connection with a multidimensional electromagnetic coupling module, and the multidimensional electromagnetic coupling module is in signal connection with an engine computer, an ignition circuit and a key sensor.
2. The electronic forced parking system integrated with intelligent police car for vehicle as claimed in claim 1, wherein: the vehicle-mounted terminal comprises a vehicle-mounted video server, an LCD touch screen, an external camera, a call handle, an automobile burglar alarm and other external equipment.
3. The electronic forced parking system integrated with intelligent police car for vehicle as claimed in claim 1, wherein: the frequency range of the high-power electromagnetic waves transmitted by the electromagnetic wave transmitting equipment is 1 GHz-300 GHz.
4. The electronic forced parking system integrated with intelligent police car for vehicle as claimed in claim 1, wherein: the electromagnetic coupling in the multi-dimensional electromagnetic coupling module is realized by the mutual inductance between two circuits, so that the current change of one circuit influences the other circuit through the mutual inductance.
5. the electronic forced parking system integrated with intelligent police car for vehicle as claimed in claim 1, wherein: the engine computer is an ECU, and the ECU is composed of a Microprocessor (MCU), a memory (ROM and RAM), an input/output interface (I/O), an analog-to-digital converter (A/D) and a shaping and driving large-scale integrated circuit.
6. The electronic forced parking system integrated with intelligent police car for vehicle as claimed in claim 1, wherein: the ignition circuit is a single-tube DC converter circuit which converts DC to AC.
7. The electronic forced parking system integrated with intelligent police car for vehicle as claimed in claim 1, wherein: the key sensors include an air flow sensor, an intake air temperature sensor, a throttle position sensor, a water temperature sensor, a camshaft position sensor, a crankshaft position sensor, a knock sensor, and an oxygen sensor.
8. The electronic forced stopping method integrated with intelligent police car for vehicle as claimed in claim 1, wherein: the method comprises the following steps:
S1: the high-power electromagnetic waves are directionally radiated to the suspect vehicle through electromagnetic wave transmitting equipment connected with a vehicle-mounted terminal of the police car;
S2: high-power electromagnetic waves are coupled through a multi-dimensional electromagnetic coupling module;
S3: after multidimensional electromagnetic coupling, an engine computer, an ignition circuit and a key sensor of a target automobile are interfered, and an ignition signal is interfered to cause that an engine of the automobile can not normally burn, so that the engine is flamed out, and the automobile loses power.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910722043.3A CN110562036A (en) | 2019-08-06 | 2019-08-06 | Vehicle electronic forced stopping system integrated in intelligent police car and forced stopping method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910722043.3A CN110562036A (en) | 2019-08-06 | 2019-08-06 | Vehicle electronic forced stopping system integrated in intelligent police car and forced stopping method |
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