CN110525352A - A kind of auxiliary driving method thermal imaging being used for wisdom radio car - Google Patents
A kind of auxiliary driving method thermal imaging being used for wisdom radio car Download PDFInfo
- Publication number
- CN110525352A CN110525352A CN201910662963.0A CN201910662963A CN110525352A CN 110525352 A CN110525352 A CN 110525352A CN 201910662963 A CN201910662963 A CN 201910662963A CN 110525352 A CN110525352 A CN 110525352A
- Authority
- CN
- China
- Prior art keywords
- thermal imaging
- driving method
- auxiliary driving
- radio car
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
- B60R11/0235—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes of flat type, e.g. LCD
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/04—Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
Abstract
The invention discloses a kind of auxiliary driving methods for thermal imaging being used for wisdom radio car, comprising the following steps: S1: the selection of equipment；S2: the production of bracket；S3: screen is integrated；S4: transmission of video is shown；S5: police are according to thermal imaging thecamera head to the video information of room mirror screen, the present invention can see people from front, animal, bicycle, electric vehicle, pot hole, vehicle, various barrier etc. using thermal imaging under the environment such as night, rainy days, haze sky, glare, can greatly improve safety.It is directed to police vehicle simultaneously, speed can be provided in particular surroundings is handled a case under 40KM/H operating condition below, driving of not turning on light is allowed to become a reality, in the case where rainy days, haze sky, night, strong light glare etc. influence normal visual field, graphic images can normally show thermal imaging video, to play the effect that auxiliary drives；Thermal imaging display screen is integrated on room mirror, facilitates driver's viewing.
Description
Technical field
The invention belongs to radio car driving technology fields, and in particular to a kind of auxiliary for thermal imaging being used for wisdom radio car
Drive manner.
Background technique
Radio car is public security organ's vehicle, and radio car does not include fire alarm.Radio car includes vehicle of the person who is not a member of any political party with " police " word and each
Ground " O " is the vehicle of initial.
It, all can be to driver under the environment such as current night, rainy days, haze sky, glare (opposite lane switch-on distance light)
Cause sight obstruction, the probability that increases that accidents happened.For police's night execute special duty, the demand for driving of not turning on light to night,
Current police car is unable to satisfy.
Summary of the invention
The purpose of the present invention is to provide a kind of auxiliary driving methods for thermal imaging being used for wisdom radio car, by heat
Imaging camera head is fixed on preceding buffer arm or roof holder and other suitable positions, then thermal imaging with customization support
Transmission of video to car be integrated in room mirror screen on, using thermal imaging can at night, rainy days, haze sky, dazzle
People from front, animal, bicycle, electric vehicle, pot hole, vehicle, various is seen under the environment such as light (opposite lane switch-on distance light)
Barrier etc. can greatly improve safety.It is directed to police vehicle simultaneously, speed can be provided in particular surroundings is handled a case and existed
Under 40KM/H operating condition below, driving of not turning on light is allowed to become a reality, automobile is integrated with the effect after thermal imaging camera: in yin
In the case that rainy day, haze sky, night, strong light glare etc. influence normal visual field, graphic images can normally show that thermal imaging regards
Frequently, to play the effect that auxiliary drives；Thermal imaging display screen is integrated on room mirror, facilitates driver's viewing, effect
Thermal imaging screen in being placed on console by the remote top grade of fruit, to solve to propose the problems of the prior art in above-mentioned background technique.
To achieve the above object, present invention employs following technical solutions: a kind of that thermal imaging is used for wisdom radio car
Auxiliary driving method, comprising the following steps:
S1: the detecting devices that thermal imaging camera drives as the auxiliary of radio car is chosen in the selection of equipment, spare；
S2: the production of bracket is used to fixed bracket according to the customization of the size of thermal imaging camera, and will be pacified by bolt
The bracket for installing thermal imaging camera is fixed on before radio car on buffer arm or roof holder and other suitable positions, adjust to
Optimal visible angle and position；
S3: screen is integrated, will be on display screen the integrated installation in the car display screen of rearview mirror；
S4: transmission of video is shown, gives thermal imaging camera to output after video frequency signal processing to car by transmission module
Rearview mirror screen is shown；
S5: police according to thermal imaging thecamera head to the video information of room mirror screen, in particular surroundings
In handling a case, police are driven under 40KM/H operating condition below using speed.
Preferably, the operating wavelength range for the thermal imaging camera device chosen in the step S1 is 8~14 μm.
Preferably, the bracket customized in the step S2 uses stainless steel stent structure, and installs thermal imaging camera
Afterwards, close to thermal imaging camera front end, setting anticollision mat structure is used to protect thermal imaging camera in customization support.
Preferably, it is LED display, hand-held plate that the display screen integrated on room mirror in the step S3, which uses,
Computer, automobile middle control show and other additional display screens in any one.
Preferably, the transmission module in the step S4 includes wire transmission and wireless transmission, and wire transmission uses data
Line is transmitted, and wireless transmission includes wifi transmission and Bluetooth transmission.
Preferably, collected analog quantity is converted to corresponding number using A/D conversion circuit by the transmission module processing
Then word amount exports the digital signal to a digital signal processor, by the processor according to certain video standard
After processing on output to room mirror display screen.
Preferably, the A/D conversion circuit includes three parts: sampling, quantization and coding, quantization and coding are while complete
At；Sampling is by the process of analog signal discretization in time；Quantization is the mistake of the discretization in amplitude by analog signal
Journey；Coding, which refers to, indicates the sample value after each quantization with certain binary code.
Preferably, the digital signal processor is used to complete by what extensive or VLSI chip formed
The processor of signal processing tasks, digital signal processor are carried out with logic circuit to audiovisual digital signal in on-vehicle host
The professional component of processing is reprocessed, including digital effecter, EQ, 3D are surround, digital signal processor is carried out at digital signal
The special chip of reason.
A kind of auxiliary driving method thermal imaging being used for wisdom radio car proposed by the present invention, compared with prior art,
It has the advantage that
1, the present invention is by thermal imaging camera, with customization support be fixed to preceding buffer arm or roof holder and other
It, can be with using thermal imaging on thermal imaging transmission of video is then integrated in room mirror to car screen on suitable position
People from front, animal, bicycle, electricity is seen under the environment such as night, rainy days, haze sky, glare (opposite lane switch-on distance light)
Motor-car, pot hole, vehicle, various barrier etc., can greatly improve safety.It is directed to police vehicle simultaneously, it can be in spy
Different environment handles a case middle offers speed under 40KM/H operating condition below, and driving of not turning on light is allowed to become a reality, automobile be integrated with it is hot at
As the effect after camera: in the case where rainy days, haze sky, night, strong light glare etc. influence normal visual field, thermal imaging
Image can normally show thermal imaging video, to play the effect that auxiliary drives；Thermal imaging display screen is integrated into room mirror
On, driver's viewing is facilitated, thermal imaging screen in being placed on console by the remote top grade of effect.
Detailed description of the invention
Fig. 1 is a kind of system block diagram of the auxiliary driving method thermal imaging for wisdom radio car of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Herein
Described specific embodiment is only used to explain the present invention, is not intended to limit the present invention.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
Referring to Fig. 1, the present invention provides a kind of auxiliary driving methods for thermal imaging being used for wisdom radio car, including with
Lower step:
S1: the detecting devices that thermal imaging camera drives as the auxiliary of radio car is chosen in the selection of equipment, spare；
S2: the production of bracket is used to fixed bracket according to the customization of the size of thermal imaging camera, and will be pacified by bolt
The bracket for installing thermal imaging camera is fixed on before radio car on buffer arm or roof holder and other suitable positions, adjust to
Optimal visible angle and position；
S3: screen is integrated, will be on display screen the integrated installation in the car display screen of rearview mirror；
S4: transmission of video is shown, gives thermal imaging camera to output after video frequency signal processing to car by transmission module
Rearview mirror screen is shown；
S5: police according to thermal imaging thecamera head to the video information of room mirror screen, in particular surroundings
In handling a case, police are driven under 40KM/H operating condition below using speed.
Specifically, the operating wavelength range for the thermal imaging camera device chosen in the step S1 is 8~14 μm.
Thermal imaging camera is a kind of camera shown by receiving the infrared ray of object sending, and working principle is exactly
Thermal infrared imaging technology.Its core is exactly thermal imaging system, it is a kind of sensor that can detect pole small temperature difference, and the temperature difference is converted
It is shown at real time video image.But can only see the hot outline of people and object, do not see the true colors of object.
Specifically, the bracket customized in the step S2 uses stainless steel stent structure, and install thermal imaging camera
Afterwards, close to thermal imaging camera front end, setting anticollision mat structure is used to protect thermal imaging camera in customization support.
Specifically, it is LED display, hand-held plate that the display screen integrated on room mirror in the step S3, which uses,
Computer, automobile middle control show and other additional display screens in any one.
Specifically, the transmission module in the step S4 includes wire transmission and wireless transmission, wire transmission uses data
Line is transmitted, and wireless transmission includes wifi transmission and Bluetooth transmission.
Specifically, collected analog quantity is converted to corresponding number using A/D conversion circuit by the transmission module processing
Then word amount exports the digital signal to a digital signal processor, by the processor according to certain video standard
After processing on output to room mirror display screen.
Preferably, the A/D conversion circuit includes three parts: sampling, quantization and coding, quantization and coding are while complete
At；Sampling is by the process of analog signal discretization in time；Quantization is the mistake of the discretization in amplitude by analog signal
Journey；Coding, which refers to, indicates the sample value after each quantization with certain binary code.
A/D conversion circuit feature:
1) resolution ratio: the variable quantity of analog signal when digital quantity changes a minimum is defined as full scale and the ratio of 2^n
Value.Resolution ratio is also known as precision, is usually indicated with the digit of digital signal.
2) conversion rate: the inverse of time needed for referring to the AD conversion for completing once to be converted from analog to number.Integral
The conversion time of type AD is Millisecond category low speed AD, and gradually comparison A/D is Microsecond grade category middling speed AD, full parellel/serial parallel type AD
It can reach nanosecond.Sampling time is then another concept, refers to the interval converted twice.In order to guarantee the correct complete of conversion
At sampling rate is necessarily less than or is equal to conversion rate.Therefore conversion rate is traditionally numerically equal to sampling by someone
Rate is also acceptable.Conventional unit is ksps and Msps, is indicated sampling thousand/million times per second.
3) quantization error: the error due to caused by the finite resolving power of AD, the i.e. ladder-like transfer of finite resolving power AD
Maximum deviation between characteristic curve and the transfer characteristic curve (straight line) of unlimited resolution ratio AD (ideal AD).Usually 1 or
The analog variation amount of half of lowest numeric amount, is expressed as 1LSB, 1/2LSB.
4) offset error: the value that output signal is not zero when input signal is zero, can external potentiometer be adjusted to minimum.
5) full-scale error: the difference of full scale corresponding input signal and ideal input signal value when exporting.
6) linearity: the transfer function of practical converter and the peak excursion of ideal line do not include three of the above error.
Specifically, the digital signal processor is used to complete by what extensive or VLSI chip formed
The processor of signal processing tasks, digital signal processor are carried out with logic circuit to audiovisual digital signal in on-vehicle host
The professional component of processing is reprocessed, including digital effecter, EQ, 3D are surround, digital signal processor is carried out at digital signal
The special chip of reason.
Digital signal processor is had gradually developed to adapt to the needs of High speed real-time signal processing task.With
The development of integrated circuit technique and digital signal processing algorithm, the implementation method of digital signal processor are also constantly changing, place
Function is managed to be continuously improved and expand.
Digital signal processor can be divided into programmable and non-programmable two major classes by its programmability.Non-programmable signal
Processor does not control program using the process of signal processing algorithm as basic logical structure, generally can be only done a kind of main
Processing function, so also known as dedicated signal processors.Such as fast fourier transform processor, digital filter.This kind of processing
Although device function is limited to, there is higher processing speed.Programmable signal processor then can change processor by programming and be wanted
The function of completion has biggish versatility, so also known as general purpose signal processor.With the general purpose signal processor ratio of performance to price
Continuous improvement, it at signal application become increasingly popular.
In summary: the present invention is by being fixed to preceding buffer arm or roof holder with customization support thermal imaging camera
And on other suitable positions, then on thermal imaging transmission of video to the interior screen for being integrated in room mirror, heat is utilized
Imaging can see under the environment such as night, rainy days, haze sky, glare (opposite lane switch-on distance light) people from front, animal, from
Driving, electric vehicle, pot hole, vehicle, various barrier etc., can greatly improve safety.It is directed to police vehicle simultaneously, it can
To provide speed in particular surroundings is handled a case under 40KM/H operating condition below, driving of not turning on light is allowed to become a reality, automobile is integrated
Effect after thermal imaging camera: in the case where rainy days, haze sky, night, strong light glare etc. influence normal visual field,
Graphic images can normally show thermal imaging video, to play the effect that auxiliary drives；Thermal imaging display screen is integrated into car
On rearview mirror, driver's viewing is facilitated, the remote top grade of effect is placed on console in thermal imaging screen.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of auxiliary driving method for thermal imaging being used for wisdom radio car, it is characterised in that: the following steps are included:
S1: the detecting devices that thermal imaging camera drives as the auxiliary of radio car is chosen in the selection of equipment, spare；
S2: the production of bracket is used to fixed bracket according to the customization of the size of thermal imaging camera, and will be installed by bolt
The bracket of thermal imaging camera is fixed on before radio car on buffer arm or roof holder and other suitable positions, is adjusted to best
Visible angle and position；
S3: screen is integrated, will be on display screen the integrated installation in the car display screen of rearview mirror；
S4: transmission of video is shown, gives thermal imaging camera to output after video frequency signal processing to car backsight by transmission module
Mirror screen is shown；
S5: police handle a case according to thermal imaging thecamera head to the video information of room mirror screen in particular surroundings
In, police are driven under 40KM/H operating condition below using speed.
2. a kind of auxiliary driving method for thermal imaging being used for wisdom radio car according to claim 1, it is characterised in that:
The operating wavelength range for the thermal imaging camera device chosen in the step S1 is 8~14 μm.
3. a kind of auxiliary driving method for thermal imaging being used for wisdom radio car according to claim 1, it is characterised in that:
The bracket customized in the step S2 uses stainless steel stent structure, and after installing thermal imaging camera, leans in customization support
Near-thermal imaging camera head front end setting anticollision mat structure is used to protect thermal imaging camera.
4. a kind of auxiliary driving method for thermal imaging being used for wisdom radio car according to claim 1, it is characterised in that:
It is LED display that the display screen integrated on room mirror in the step S3, which uses, hold tablet computer, automobile middle control is shown
Show and any one in other additional display screens.
5. a kind of auxiliary driving method for thermal imaging being used for wisdom radio car according to claim 1, it is characterised in that:
Transmission module in the step S4 includes wire transmission and wireless transmission, and wire transmission is transmitted using data line, wirelessly
Transmission includes wifi transmission and Bluetooth transmission.
6. a kind of auxiliary driving method for thermal imaging being used for wisdom radio car according to claim 1, it is characterised in that:
Collected analog quantity is converted to corresponding digital quantity using A/D conversion circuit by the transmission module processing, then by the number
Word signal is exported to a digital signal processor, by the processor according to output after certain video standard processing to vehicle
On inside rear-view mirror display screen.
7. a kind of auxiliary driving method for thermal imaging being used for wisdom radio car according to claim 6, it is characterised in that:
The A/D conversion circuit includes three parts: sampling, quantization and coding, quantization and coding are completed at the same time；Sampling is by mould
The process of quasi- signal discretization in time；Quantization is the process of the discretization in amplitude by analog signal；Coding refers to will be every
Sample value after a quantization is indicated with certain binary code.
8. a kind of auxiliary driving method for thermal imaging being used for wisdom radio car according to claim 6, it is characterised in that:
The digital signal processor is used to complete signal processing tasks by what extensive or VLSI chip formed
Processor, digital signal processor are to carry out the special of reprocessing processing to audiovisual digital signal with logic circuit in on-vehicle host
It is surround with element, including digital effecter, EQ, 3D, digital signal processor is the special chip for carrying out Digital Signal Processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910662963.0A CN110525352A (en) | 2019-07-22 | 2019-07-22 | A kind of auxiliary driving method thermal imaging being used for wisdom radio car |
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| CN201910662963.0A CN110525352A (en) | 2019-07-22 | 2019-07-22 | A kind of auxiliary driving method thermal imaging being used for wisdom radio car |
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| CN110525352A true CN110525352A (en) | 2019-12-03 |
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Application publication date: 20191203 |