CN111694301A - Vehicle head direction detection system, vehicle head direction detection method and storage medium - Google Patents
Vehicle head direction detection system, vehicle head direction detection method and storage medium Download PDFInfo
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- CN111694301A CN111694301A CN202010447595.0A CN202010447595A CN111694301A CN 111694301 A CN111694301 A CN 111694301A CN 202010447595 A CN202010447595 A CN 202010447595A CN 111694301 A CN111694301 A CN 111694301A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/02—Magnetic compasses
- G01C17/28—Electromagnetic compasses
- G01C17/30—Earth-inductor compasses
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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Abstract
The invention discloses a vehicle head direction detection system, a vehicle head direction detection method and a storage medium, wherein the vehicle head direction detection system comprises: the electronic compass sensor is used for acquiring an angle signal of the vehicle head and converting the angle signal into angle data; the main control module is in signal connection with the electronic compass sensor and is used for acquiring a request signal of the electronic compass sensor and sending a negative edge trigger signal to the electronic compass sensor according to the request signal so that the electronic compass sensor sends angle data to the main control module; the oscillation module is connected with the main control module; the data latching module is connected with the main control module and is used for acquiring angle data from the main control module; and the data writing processing module is connected with the data latching module and is used for sending a Latch trigger signal to the data latching module so as to record the angle data in the memory. The vehicle head direction detecting system provided by the embodiment of the invention can record the vehicle head direction of the vehicle when a traffic accident occurs, and is convenient for police detection.
Description
Technical Field
The present invention relates to the field of automotive technologies, and in particular, to a vehicle head direction detection system, a vehicle head direction detection method, and a storage medium.
Background
When a traffic accident occurs, the direction detection data of the vehicle head is also important reference data, and if the direction of the vehicle head of the vehicle cannot be accurately detected, the detection of an police party is hindered to a certain extent.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a vehicle head direction detection system, a vehicle head direction detection method and a storage medium, which can record the vehicle head direction of an automobile when a traffic accident occurs and are convenient for police detection.
According to a first aspect of the present invention, a vehicle head direction detecting system includes:
the electronic compass sensor is used for acquiring an angle signal of a vehicle head and converting the angle signal into angle data;
the main control module is in signal connection with the electronic compass sensor and is used for acquiring a request signal of the electronic compass sensor and sending a negative edge trigger signal to the electronic compass sensor according to the request signal so that the electronic compass sensor sends the angle data to the main control module;
the oscillation module is connected with the main control module;
the data latching module is connected with the main control module and is used for acquiring the angle data from the main control module;
and the data writing processing module is connected with the data latching module and used for sending a Latch trigger signal to the data latching module so as to record the angle data in a memory.
The vehicle head direction detection system provided by the embodiment of the invention at least has the following beneficial effects: according to the embodiment of the invention, when a car accident occurs, the angle of the car head can be detected by the electronic compass sensor and the angle data can be generated in response, the main control module can transmit the angle data to the data latching module and cooperate with the Latch trigger signal sent by the data writing processing module to Latch the angle data. Therefore, the vehicle head direction detecting system provided by the embodiment of the invention can record the vehicle head direction of the automobile when the car accident happens, and is convenient for police detection.
According to some embodiments of the invention, the master control module is further configured to convert the angle data into binary angle data and send the binary angle data to the data latching module.
According to some embodiments of the invention, the system further comprises a reset module, wherein the reset module is connected with the main control module.
According to some embodiments of the invention, the master control module is a single-chip microcomputer controller.
According to some embodiments of the invention, the oscillating module is a quartz crystal oscillating circuit.
According to some embodiments of the invention, the data latching module is a nine-bit data latching circuit.
According to a second aspect of the present invention, a vehicle includes the vehicle heading direction detecting system.
According to the vehicle provided by the embodiment of the invention, at least the following beneficial effects are achieved: according to the embodiment of the invention, when a car accident occurs, the angle of the car head can be detected by the electronic compass sensor and the angle data can be generated in response, the main control module can transmit the angle data to the data latching module and cooperate with the Latch trigger signal sent by the data writing processing module to Latch the angle data. Therefore, the embodiment of the invention can record the direction of the head of the automobile when the automobile accident happens, and is convenient for police investigation.
The vehicle head direction detection method according to the third aspect of the embodiment of the invention is applied to a main control module of a vehicle head direction detection system, and the vehicle head direction detection system further comprises an electronic compass sensor, wherein the electronic compass sensor is in signal connection with the main control module and is used for acquiring an angle signal of a vehicle head and converting the angle signal into angle data;
the vehicle head direction detection method comprises the following steps:
acquiring a request signal of the electronic compass sensor;
and sending a negative edge trigger signal to the electronic compass sensor according to the request signal so that the electronic compass sensor sends the angle data to the main control module.
The method for detecting the direction of the vehicle head according to the embodiment of the invention at least has the following beneficial effects: according to the embodiment of the invention, when a car accident occurs, the angle of the car head can be detected by the electronic compass sensor and the angle data can be generated in response, the main control module can send the negative edge trigger signal to the electronic compass sensor according to the request signal, so that the electronic compass sensor sends the angle data to the main control module, and the angle data can be acquired. Therefore, the method for detecting the direction of the head of the automobile can record the direction of the head of the automobile when the automobile accident happens, and is convenient for police to detect.
A master control module according to an embodiment of a fourth aspect of the present invention comprises at least one control processor and a memory for communicative connection with the at least one control processor; the memory stores instructions executable by the at least one control processor, and the instructions are executed by the at least one control processor to enable the at least one control processor to execute the vehicle head direction detection method.
The main control module according to the embodiment of the invention at least has the following beneficial effects: according to the embodiment of the invention, when a car accident occurs, the angle of the car head can be detected by the electronic compass sensor and the angle data can be generated in response, the main control module can send the negative edge trigger signal to the electronic compass sensor according to the request signal, so that the electronic compass sensor sends the angle data to the main control module, and the angle data can be acquired. Therefore, the main control module of the embodiment of the invention can record the direction of the head of the automobile when the automobile accident happens, and is convenient for police investigation.
According to the fifth aspect of the present invention, the computer-readable storage medium stores computer-executable instructions for causing a computer to execute the method for detecting the direction of the vehicle head as described above.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a circuit diagram of a vehicle head direction detection system according to an embodiment of the invention;
fig. 2 is a schematic circuit diagram of a vehicle head direction detection system according to an embodiment of the invention;
fig. 3 is a flowchart of a method for detecting a heading direction according to an embodiment of the invention;
fig. 4 is a schematic diagram of a main control module according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 2, a vehicle head direction detection system according to an embodiment of the first aspect of the present invention includes:
the electronic compass sensor 110 is used for acquiring an angle signal of the vehicle head and converting the angle signal into angle data;
the main control module 120, the main control module 120 is in signal connection with the electronic compass sensor 110, and the main control module 120 is configured to obtain a request signal of the electronic compass sensor 110, and send a negative edge trigger signal to the electronic compass sensor 110 according to the request signal, so that the electronic compass sensor 110 sends angle data to the main control module 120;
the oscillation module 130, the oscillation module 130 is connected with the main control module 120;
the data latching module 140, the data latching module 140 is connected with the main control module 120, and the data latching module 140 is used for acquiring angle data from the main control module 120;
the data write processing module 150, the data write processing module 150 is connected to the data Latch module 140, and the data write processing module 150 is configured to send a Latch trigger signal to the data Latch module 140 so as to record the angle data in the memory.
In an embodiment of the invention, when a car accident occurs, the electronic compass sensor 110 detects the angle of the car head and responds to the detected angle data to generate angle data, and the main control module 120 transmits the angle data to the data Latch module 140 and latches the angle data in cooperation with the Latch trigger signal sent by the data write processing module 150. Therefore, the vehicle head direction detecting system provided by the embodiment of the invention can record the vehicle head direction of the automobile when the car accident happens, and is convenient for police detection.
It should be noted that, as shown in fig. 1, the electronic compass sensor 110 is used to detect the direction of the vehicle head in the embodiment of the present invention, while the conventional compass generally has to judge the azimuth by a visual method, the electronic compass sensor 110 uses a coil to sense the north-south polar direction, the electronic compass sensor 110 transmits the detected azimuth to the peripheral interface as digital data, and transmits the data to the system for storage through the interface, and the recording bit of the data detected by the vehicle direction is 9bits (0-360 °). The circuit structure diagram is designed with a main control module 120, the input unit is provided with an electronic compass sensor 110, which mainly converts an angle signal into angle data, the data is transmitted to be connected with the main control module 120 through a serial port, in addition, the data writing processing module 150 can send a Latch trigger signal, and the output unit is designed with a data Latch module 140, which mainly latches the angle data detected by the electronic compass sensor 110 in the trigger.
As shown in fig. 2, the electronic compass sensor 110 senses the geomagnetic variation, connects the sensed angle data to the main control module 120 through the serial communication port, connects the TXD pin of the electronic compass sensor 110 to the RXD pin of the main control module 120, connects the RXD of the electronic compass sensor 110 to the TXD pin of the main control module 120, and then completes the serial communication port transmission connection function, sends the RTS data transmission request signal to the P10 pin of the main control module 120, when the P10 pin sends the negative edge trigger signal, the electronic compass sensor 110 starts to transmit the angle data to the main control module 120 through the serial port for processing, the angle (0-360 °) data calculated and processed by the main control module 120 is represented in a binary manner, D0-D7 output by the P00-P07 pin and connected to one chip of the data latch module 140, and D0 output by the P20 pin and connected to the other chip of the data latch module 140, thus, 9bits of angle data are obtained on the D-type flip-flop. At this time, the data write processing module 150 is waited to send out a Latch trigger signal, the data Latch 74LS373 is inserted into the flip-flop, the output pins Q0-Q7 of one chip and the output pin Q0 of the other chip are connected to the data on-line of the system bus (D108-D116), and the data are waited to be recorded in the memory by the driving condition recorder.
It is understood that the main control module 120 can be a single-chip microcomputer controller, the oscillation module 130 can be a quartz crystal oscillation circuit, and the data latch module 140 can be a nine-bit data latch circuit.
Referring to fig. 1 to 2, in the system for detecting a heading direction according to another embodiment of the first aspect of the present invention, the main control module 120 is further configured to convert the angle data into angle data in a binary form and send the angle data to the data latching module 140.
Referring to fig. 1 to 2, the system for detecting a heading direction according to another embodiment of the first aspect of the present invention further includes a reset module 160, and the reset module 160 is connected to the main control module 120. The embodiment of the present invention can reset the data and the program in the main control module 120 through the reset module 160.
Based on the vehicle head direction detection system of the above embodiment, various embodiments of the vehicle of the present invention are provided.
An embodiment of the second aspect of the invention provides a vehicle, which comprises the vehicle head direction detection system.
Since the vehicle according to the embodiment of the present invention includes the vehicle heading direction detecting system according to any one of the embodiments, the vehicle according to the embodiment of the present invention has the technical effects brought by the vehicle heading direction detecting system according to any one of the embodiments, and therefore, the specific technical effects of the vehicle according to the embodiment of the present invention can refer to the technical effects of the vehicle heading direction detecting system according to any one of the embodiments.
Based on the vehicle heading direction detection system of the above embodiment, the embodiments of the vehicle heading direction detection method of the present invention are provided.
Referring to fig. 3, an embodiment of the third aspect of the present invention provides a vehicle head direction detecting method, which is applied to a main control module of a vehicle head direction detecting system, and the vehicle head direction detecting system further includes an electronic compass sensor, the electronic compass sensor is in signal connection with the main control module, and the electronic compass sensor is used for acquiring an angle signal of a vehicle head and converting the angle signal into angle data;
the method for detecting the direction of the vehicle head comprises the following steps:
s310: acquiring a request signal of an electronic compass sensor;
s320: and sending a negative edge trigger signal to the electronic compass sensor according to the request signal so that the electronic compass sensor sends angle data to the main control module.
In one embodiment, the electronic compass sensor can detect the angle of the vehicle head and respond to the angle to generate angle data when a vehicle accident occurs, and the main control module sends a negative edge trigger signal to the electronic compass sensor according to the request signal, so that the electronic compass sensor sends the angle data to the main control module to acquire the angle data. Therefore, the method for detecting the direction of the head of the automobile can record the direction of the head of the automobile when the automobile accident happens, and is convenient for police to detect.
Secondly, the embodiment of the method for detecting the heading direction and the corresponding technical effects of the embodiments of the invention can be referred to the embodiments of the system for detecting the heading direction.
Based on the method for detecting the direction of the vehicle head in the foregoing embodiments, various embodiments of the main control module 120 of the present invention are provided. Regarding the above-mentioned main control module 120, as shown in fig. 4, fig. 4 is a schematic diagram of the main control module 120 according to an embodiment of the present invention. The main control module 120 of the embodiment of the present invention includes one or more control processors 121 and a memory 122, and fig. 4 illustrates one control processor 121 and one memory 122 as an example.
The control processor 121 and the memory 122 may be connected by a bus or other means, and fig. 4 illustrates the connection by a bus as an example.
The memory 122, which is a non-transitory computer-readable storage medium, may be used to store non-transitory software programs as well as non-transitory computer-executable programs. Further, the memory 122 may include high speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory 122 may optionally include memory 122 located remotely from the control processor 121, and the remote memory 122 may be connected to the main control module 120 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
Those skilled in the art will appreciate that the configuration shown in FIG. 4 does not constitute a limitation of the master control module 120, and may include more or fewer components than shown, or some components in combination, or a different arrangement of components.
In the main control module 120 shown in fig. 4, the main control module 120 may be configured to call a control program of the heading direction detecting system stored in the memory 122 to implement the heading direction detecting method.
Since the main control module 120 of the embodiment of the present invention can execute the method for detecting the vehicle heading direction according to any one of the embodiments, the main control module 120 of the embodiment of the present invention has the technical effects brought by the method for detecting the vehicle heading direction according to any one of the embodiments, and therefore the specific technical effects of the main control module 120 of the embodiment of the present invention can refer to the technical effects of the method for detecting the vehicle heading direction according to any one of the embodiments.
The above-described embodiments of the apparatus are merely illustrative, wherein the units illustrated as separate components may or may not be physically separate, i.e. may be located in one place, or may also be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
Based on the method for detecting the direction of the vehicle head in the foregoing embodiment, an embodiment of the computer-readable storage medium of the present invention is provided.
An embodiment of the present invention further provides a computer-readable storage medium storing computer-executable instructions, which are executed by one or more control processors 121, for example, by one control processor 121 in fig. 4, and can cause the one or more control processors 121 to execute the method for detecting the direction of the vehicle head in the method embodiment, for example, the method steps in fig. 3 described above.
One of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A vehicle head direction detecting system is characterized by comprising:
the electronic compass sensor is used for acquiring an angle signal of a vehicle head and converting the angle signal into angle data;
the main control module is in signal connection with the electronic compass sensor and is used for acquiring a request signal of the electronic compass sensor and sending a negative edge trigger signal to the electronic compass sensor according to the request signal so that the electronic compass sensor sends the angle data to the main control module;
the oscillation module is connected with the main control module;
the data latching module is connected with the main control module and is used for acquiring the angle data from the main control module;
and the data writing processing module is connected with the data latching module and used for sending a Latch trigger signal to the data latching module so as to record the angle data in a memory.
2. The vehicle head direction detecting system as claimed in claim 1, wherein the main control module is further configured to convert the angle data into angle data in a binary form and send the angle data to the data latching module.
3. The vehicle head direction detecting system according to claim 1, further comprising a reset module, wherein the reset module is connected to the main control module.
4. The system for detecting the direction of a vehicle head as claimed in claim 1, wherein the main control module is a single-chip microcomputer controller.
5. The system for detecting the heading direction of a vehicle as claimed in claim 1, wherein the oscillating module is a quartz crystal oscillating circuit.
6. The system for detecting the heading direction of claim 1, wherein the data latch module is a nine-bit data latch circuit.
7. A vehicle, characterized in that: comprising a heading direction detection system as claimed in any one of claims 1 to 6.
8. The vehicle head direction detection method is characterized by being applied to a main control module of a vehicle head direction detection system, wherein the vehicle head direction detection system further comprises an electronic compass sensor, the electronic compass sensor is in signal connection with the main control module, and the electronic compass sensor is used for acquiring an angle signal of a vehicle head and converting the angle signal into angle data;
the vehicle head direction detection method comprises the following steps:
acquiring a request signal of the electronic compass sensor;
and sending a negative edge trigger signal to the electronic compass sensor according to the request signal so that the electronic compass sensor sends the angle data to the main control module.
9. A master control module, characterized by: comprises at least one control processor and a memory for communicative connection with the at least one control processor; the memory stores instructions executable by the at least one control processor to enable the at least one control processor to perform the vehicle head direction detecting method as claimed in claim 8.
10. A computer-readable storage medium characterized by: the computer-readable storage medium stores computer-executable instructions for causing a computer to perform the method of detecting a heading direction as claimed in claim 8.
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| CN202010447595.0A CN111694301A (en) | 2020-05-25 | 2020-05-25 | Vehicle head direction detection system, vehicle head direction detection method and storage medium |
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| CN202010447595.0A CN111694301A (en) | 2020-05-25 | 2020-05-25 | Vehicle head direction detection system, vehicle head direction detection method and storage medium |
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| CN102306408A (en) * | 2011-06-21 | 2012-01-04 | 五邑大学 | Travelling crane impact force and impact direction monitor |
| CN105592119A (en) * | 2014-10-24 | 2016-05-18 | 中国石油天然气股份有限公司 | Communication method and apparatus of network device |
| CN105471494A (en) * | 2015-11-19 | 2016-04-06 | 中国人民解放军国防科学技术大学 | Spaceborne intelligent sensor interface equipment and communication method thereof |
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Application publication date: 20200922 |