CN113158697A - Vehicle identification number reading apparatus and vehicle body controller - Google Patents
Vehicle identification number reading apparatus and vehicle body controller Download PDFInfo
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- CN113158697A CN113158697A CN202110164345.0A CN202110164345A CN113158697A CN 113158697 A CN113158697 A CN 113158697A CN 202110164345 A CN202110164345 A CN 202110164345A CN 113158697 A CN113158697 A CN 113158697A
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- identification number
- vehicle
- radio frequency
- frequency signal
- vehicle identification
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10861—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
Abstract
The invention provides a vehicle identification number reading device and a vehicle body controller, wherein a vehicle identification number is stored in the vehicle body controller and is provided with a wireless data bidirectional channel; the receiving module is used for receiving a second specific radio frequency signal sent by the vehicle body controller and analyzing the second specific radio frequency signal to obtain the vehicle identification number. Therefore, the vehicle identification number can be obtained by sending the specific radio frequency signal outside the target vehicle by using the vehicle identification number reading device, and compared with the prior art, the conversion from wired equipment to wireless equipment and the upgrade from an in-vehicle interconnection mode to an out-vehicle remote control mode are realized, so that the problem of low efficiency in managing vehicle information after a whole vehicle factory leaves a factory is solved.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a vehicle identification number reading device and a vehicle body controller.
Background
Vehicle Identification Number (VIN code) is a unique Identification code of each automobile, and the VIN code of a Vehicle needs to be read quickly to record registration information in many scenes. At present, the finished vehicle has two main ways of reading the VIN code: the electronic information is read by a diagnosis instrument device connected to a vehicle-mounted bus. The first approach relies on reading the recording at close range with the naked eye and is inefficient. The second approach requires access to the in-vehicle network equipment, requires the vehicle key to be obtained in advance, has high tool requirements, and is also inefficient. At present, a wireless device is lacked, namely, the device capable of rapidly reading, recording and comparing the VIN code information of the vehicle without entering the vehicle is not needed. Resulting in low efficiency of the entire car factory in managing the information of the vehicle after leaving the factory.
Disclosure of Invention
The invention aims to provide a vehicle identification number reading device and a vehicle body controller, which are used for solving the problem of low efficiency of a whole vehicle factory in managing vehicle information after leaving a factory.
In order to solve the above technical problem, the present invention provides a vehicle identification number reading apparatus, comprising:
the transmitting module is used for transmitting a first specific radio frequency signal to a vehicle body controller of a target vehicle so as to trigger the vehicle body controller to transmit a vehicle identification number; and the number of the first and second groups,
and the receiving module is used for receiving a second specific radio frequency signal sent by the vehicle body controller and analyzing the second specific radio frequency signal to obtain the vehicle identification number.
Optionally, in the vehicle identification number reading apparatus, the vehicle identification number reading apparatus further includes:
and the display module is used for displaying the vehicle identification number obtained by the analysis of the receiving module.
Optionally, in the vehicle identification number reading apparatus, the vehicle identification number reading apparatus further includes:
and the first control module is used for judging whether the receiving module receives the second specific radio frequency signal within set time, if not, the transmitting module is controlled to send the first specific radio frequency signal to the automobile body controller again, and if so, the display module is controlled to display the analysis result of the receiving module.
Optionally, in the vehicle identification number reading apparatus, the vehicle identification number reading apparatus further includes:
and the comparison module is used for comparing the vehicle identification number obtained by the analysis of the receiving module with the vehicle identification number in a preset database so as to judge whether the vehicle identification number obtained by the analysis of the receiving module is legal or not.
Optionally, in the vehicle identification number reading apparatus, the first specific radio frequency signal is a high frequency radio frequency signal, and the second specific radio frequency signal is a low frequency radio frequency signal.
The present invention also provides a vehicle body controller, including:
the storage module is used for storing the vehicle identification number of the target vehicle;
and the bidirectional communication module is used for transmitting the vehicle identification number to the external equipment by transmitting a second specific radio frequency signal when receiving a first specific radio frequency signal from the external equipment.
Optionally, in the vehicle body controller, the vehicle body controller further includes:
and the second control module is used for judging the first specific radio frequency signal received by the bidirectional communication module and controlling the bidirectional communication module to send the vehicle identification number to the external equipment according to the judgment result.
Optionally, in the vehicle body controller, the method for determining, by the second control module, the first specific radio frequency signal received by the bidirectional communication module, and controlling, according to a determination result, the bidirectional communication module to send the vehicle identification number to the external device includes:
and judging whether the bidirectional communication module receives other signals except the first specific radio frequency signal at present, if so, preferentially responding to the other signals, and after responding to the other signals, sending the vehicle identification number to the external equipment.
Optionally, in the vehicle body controller, the second control module is further configured to determine whether the vehicle identification number stored in the storage module is valid, and if the vehicle identification number stored in the storage module is invalid, control the bidirectional communication module to send an identification signal indicating that the vehicle identification number is invalid to the external device by sending the second specific radio frequency signal.
Optionally, in the vehicle body controller, the first specific radio frequency signal is a high-frequency radio frequency signal, and the second specific radio frequency signal is a low-frequency radio frequency signal.
Optionally, in the vehicle body controller, the bidirectional communication module sends the second specific radio frequency signal through a low-frequency antenna disposed on a handlebar.
In summary, in the vehicle identification number reading device and the vehicle body controller provided by the present invention, the vehicle identification number is stored in the vehicle body controller, and the vehicle identification number reading device has a wireless data bidirectional channel, the vehicle identification number reading device includes a transmitting module and a receiving module, the transmitting module is configured to transmit a first specific radio frequency signal to the vehicle body controller of the target vehicle, so as to trigger the vehicle body controller to transmit the vehicle identification number; the receiving module is used for receiving a second specific radio frequency signal sent by the vehicle body controller and analyzing the second specific radio frequency signal to obtain the vehicle identification number. Therefore, the vehicle identification number of the target vehicle can be obtained by sending a specific radio frequency signal to the vehicle body controller of the target vehicle from the outside of the target vehicle by using the vehicle identification number reading device without opening a vehicle door to enter the vehicle.
Drawings
Fig. 1 is a block diagram showing the components of a vehicle identification number reading apparatus according to an embodiment of the present invention;
fig. 2 is a block diagram of the vehicle body controller according to the embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a process of reading a VIN code of a target vehicle by using the VIN code reading device provided in this example;
wherein the reference numerals are as follows:
11-a transmitting module; 12-a receiving module; 13-a display module; 14-a first control module; 15-an alignment module;
21-a storage module; 22-a bidirectional communication module; 23-a second control module.
Detailed Description
To make the objects, advantages and features of the present invention more apparent, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is to be noted that the drawings are in greatly simplified form and are not to scale, but are merely intended to facilitate and clarify the explanation of the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures.
In this document, "high frequency" and "low frequency" are classified by radio standards, and although "high frequency" and "low frequency" are not restrictive, the classification by radio standards "high frequency" generally means that the frequency of electromagnetic waves is greater than 3MHZ, and "low frequency" generally means that the frequency range of electromagnetic waves is 30KHZ to 300 KHZ.
As shown in fig. 1, the present embodiment provides a vehicle identification number reading apparatus (hereinafter referred to as a VIN code reading apparatus) for wirelessly reading a VIN code of a target vehicle. The VIN code reading apparatus includes:
the transmitting module 11 is configured to send a first specific radio frequency signal to a vehicle body controller of a target vehicle to trigger the vehicle body controller to send a vehicle identification number; and the number of the first and second groups,
the receiving module 12 is configured to receive a second specific radio frequency signal sent by the vehicle body controller, and analyze the second specific radio frequency signal to obtain the vehicle identification number.
Through the VIN code reading device provided by the embodiment, the vehicle identification number of the target vehicle can be obtained by sending the specific radio frequency signal to the vehicle body controller of the target vehicle outside the target vehicle without opening a vehicle door to enter the vehicle.
In addition, the VIN code reading apparatus provided in this embodiment may further include a display module 13, where the display module 13 is configured to display the vehicle identification number obtained by the analysis of the receiving module 12. The display module 13 includes, for example, a liquid crystal display.
Preferably, the VIN code reading device further includes a first control module 14, where the first control module 14 is configured to determine whether the receiving module 12 receives the second specific radio frequency signal within a set time, if not, control the transmitting module 11 to send the first specific radio frequency signal to the vehicle body controller again, and if so, control the display module 13 to display an analysis result of the receiving module 12.
In addition, preferably, the VIN code reading apparatus provided in this embodiment further includes a comparing module 15, where the comparing module 15 is configured to compare the vehicle identification number obtained through analysis by the receiving module 12 with a vehicle identification number in a preset database, so as to determine whether the vehicle identification number obtained through analysis by the receiving module is legal.
To facilitate vehicle management, the VIN code of the target vehicle may be classified by manufacturer, region, or the like to establish a VIN code database. That is, VIN codes of a plurality of vehicles in the same area are included in the same database, or VIN codes of the same manufacturer are included in the same database. And storing the database in the VIN code reading equipment, so that after the VIN code of the target vehicle is read by the VIN code reading equipment, the reading result can be compared with the VIN code in the database, and if the VIN code of the target vehicle is found not to be in the database through comparison, the tracking management of the VIN code can be optionally abandoned.
In this embodiment, for convenience of operation, the transmitting module 11, the receiving module 12, the display module 13, the first control module 14, and the comparing module 15 may be combined into one device to be implemented, that is, the VIN code reading device, and the transmitting module 11, the receiving module 12, the display module 13, the first control module 14, and the comparing module 15 share one hardware carrier. In addition, a button or a touch screen may be further disposed on the hardware carrier, and the transmitting module 11 of the VIN code reading device is triggered to transmit the first specific radio frequency signal to the body controller of the target vehicle by pressing the button or clicking the touch screen.
In this embodiment, preferably, the first specific rf signal is a high frequency rf signal, and the second specific rf signal is a low frequency rf signal, for example, the frequency of the first specific rf signal is 434MHz, and the frequency of the second specific rf signal is 125 KHz. The specific frequencies of the first specific radio frequency signal and the second specific radio frequency signal may be defined according to an actual application scenario, and do not form a limitation to the present application. When the first specific radio frequency signal is a high-frequency radio frequency signal and the second specific radio frequency signal is a low-frequency radio frequency signal, the VIN code reading device can be matched with a radio frequency rule of a bidirectional communication channel of a vehicle with a wireless key function when in application, which will be described in detail later.
Based on the above description of the modules of the VIN code reading device, the vehicle body controller of the target vehicle read by the VIN code reading device should have a wireless data bidirectional channel. In view of the above, the present embodiment provides a vehicle Body Controller (BCM), as shown in fig. 2, comprising:
a storage module 21 for storing a vehicle identification number of a vehicle; and the number of the first and second groups,
and the bidirectional communication module 22 is used for transmitting the vehicle identification number to the external equipment by transmitting a second specific radio frequency signal when receiving the first specific radio frequency signal from the external equipment. Here, the external device is, for example, the VIN code reading device provided in this embodiment.
For some existing intelligent vehicles, the wireless key function of the intelligent vehicle enables the product to have a wireless data bidirectional communication channel, and the essence of the wireless data bidirectional communication channel is as follows: high frequency reception and low frequency transmission. Therefore, the existing wireless communication channel can be utilized, a special service function is added in a software product of the vehicle body controller, a specific high-frequency radio frequency command sent by external equipment is received, and when the specific high-frequency radio frequency command of the external equipment is received, the vehicle identification number is sent to the external equipment through the low-frequency antenna. That is, the vehicle body controller provided in this embodiment adjusts only the bidirectional communication module 22 of the existing vehicle body controller having the wireless key function, so that the vehicle body controller can receive the specific high-frequency command of the external device and feed back the vehicle identification number on the basis of receiving the original other command (for example, the unlock command). Therefore, in this embodiment, as mentioned above, in order to match the vehicle identification number reading apparatus provided in this embodiment with the existing rule of transmitting and receiving the radio frequency of the vehicle with the wireless key function, it is preferable that the first specific radio frequency signal is a high frequency radio frequency signal, and the second specific radio frequency signal is a low frequency radio frequency signal.
And further preferably, the bidirectional communication module sends the second specific radio frequency signal through a low-frequency antenna arranged on a handlebar. Generally, the transmission distance of the high frequency radio frequency signal can reach 20 m-30 m, while the transmission distance of the low frequency radio frequency signal is only 1 m-2 m. Therefore, in order to enable the vehicle identification number transmitted by the vehicle body controller through the low-frequency antenna to be successfully received by the VIN code reading device, it is preferable that the low-frequency antenna is provided on a door handle of a vehicle with the door handle of the vehicle as a mark, and the distance between the vehicle identification number and the door handle is not more than 1 meter when the high-frequency rf command is transmitted to the vehicle body controller by using the vehicle identification number reading device.
In some other embodiments, the low-frequency antenna may also be disposed at other positions of the vehicle body, and the specific position of the low-frequency antenna is not limited in this application, and it is only necessary that the VIN code reading device can normally receive the vehicle VIN code when reading the vehicle VIN code. In the actual operation process, if the setting position of the low-frequency antenna is not clear, the first specific radio-frequency signal can be sent for multiple times by changing the position of the VIN code reading device relative to the vehicle until the VIN code of the vehicle is received. Certainly, for an existing vehicle without a wireless key function, in order to cooperate with the VIN code reading device provided in this embodiment, a wireless data bidirectional communication channel may also be separately set in the vehicle body controller, so that the vehicle body controller can receive the first specific radio frequency signal from the VIN code reading device.
Preferably, the vehicle body controller further includes a second control module 23, and the second control module 23 is configured to determine the first specific radio frequency signal received by the bidirectional communication module 22, and control the bidirectional communication module 22 to send the vehicle identification number to the external device according to a determination result.
Specifically, the method for determining, by the second control module 23, the first specific radio frequency signal received by the bidirectional communication module 22 and controlling, according to the determination result, the bidirectional communication module 22 to send the vehicle identification number to the external device may include:
and judging whether the bidirectional communication module 22 receives other signals except the first specific radio frequency signal at present, if so, preferentially responding to the other signals, and after responding to the other signals, sending the vehicle identification number to the external equipment.
That is, the vehicle body controller responds to the received other commands preferentially and then responds to the first specific radio frequency signal sent by the external device, so that the influence on the normal use of the vehicle due to the response to the first specific radio frequency signal can be avoided, and the bad feeling is brought to a user.
For example, if the vehicle body controller receives a locking command and the first specific radio frequency signal at the same time, it is preferable to respond to the locking command to perform a locking operation on the vehicle body, and after the locking operation is completed, respond to the first specific radio frequency signal to send the vehicle identification number to the external VIN code reading device, so as to ensure that the vehicle locking operation is completed normally.
Further preferably, the second control module 23 is further configured to determine whether the vehicle identification number stored in the storage module 21 is valid, and if the vehicle identification number is invalid, control the bidirectional communication module 22 to send an identification signal, such as "ERR", that the vehicle identification number is invalid to the external device by sending the second specific radio frequency signal. That is, the second specific rf signal sent out after being read and analyzed by the VIN code may be a vehicle identification number, and may also be information "ERR" identifying that the vehicle identification number is invalid.
In an actual scene, the vehicle VIN code may be damaged or lost, and the VIN code state of the target vehicle can be timely recognized by feeding back identification information (such as ERR) invalid with the vehicle identification number to the external VIN code reading device, so that vehicle management is more convenient.
Fig. 3 is a schematic diagram illustrating a process of reading the VIN code of the target vehicle by using the VIN code reading device provided in this example. The method comprises the following specific steps:
(1) a VIN code reading device (hereinafter referred to as a device end) key triggering request sends a command through a high-frequency radio frequency module (RF radio frequency module, hereinafter referred to as an RF) to request a vehicle to return VIN code information;
(2) after receiving the request, the BCM end reads the stored VIN code information and judges whether the VIN code is effective, if so, the VIN code is sent through a low frequency antenna (LF antenna, hereinafter abbreviated as LF), and if not, the ERR is sent through the LF;
(3) and after sending the command, the equipment end judges whether a reply is received, if so, the VIN code or the ERR is displayed on the display screen, if not, whether the waiting time is overtime is judged, if so, a reading failure is prompted on the display screen, and if not, the command is sent again.
In this embodiment, the transmitting frequency of the high frequency rf module may be 434MHz, for example, the transmitting frequency of the low frequency antenna may be 125KHz,
in summary, the vehicle identification number reading device and the vehicle body controller provided by the present invention store a vehicle identification number in the vehicle body controller, and have a wireless data bidirectional channel, the vehicle identification number reading device includes a transmitting module and a receiving module, the transmitting module is configured to send a first specific radio frequency signal to the vehicle body controller of a target vehicle, so as to trigger the vehicle body controller to send the vehicle identification number; the receiving module is used for receiving a second specific radio frequency signal sent by the vehicle body controller and analyzing the second specific radio frequency signal to obtain the vehicle identification number. Therefore, the vehicle identification number of the target vehicle can be obtained by sending a specific radio frequency signal to the vehicle body controller of the target vehicle from the outside of the target vehicle by using the vehicle identification number reading device without opening a vehicle door to enter the vehicle.
It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. It will be apparent to those skilled in the art from this disclosure that many changes and modifications can be made, or equivalents modified, in the embodiments of the invention without departing from the scope of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the protection scope of the technical solution of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (10)
1. A vehicle identification number reading apparatus characterized by comprising:
the transmitting module is used for transmitting a first specific radio frequency signal to a vehicle body controller of a target vehicle so as to trigger the vehicle body controller to transmit a vehicle identification number; and the number of the first and second groups,
and the receiving module is used for receiving a second specific radio frequency signal sent by the vehicle body controller and analyzing the second specific radio frequency signal to obtain the vehicle identification number.
2. The vehicle identification number reading apparatus according to claim 1, further comprising:
the display module is used for displaying the vehicle identification number obtained by the analysis of the receiving module;
and the first control module is used for judging whether the receiving module receives the second specific radio frequency signal within set time, if not, the transmitting module is controlled to send the first specific radio frequency signal to the automobile body controller again, and if so, the display module is controlled to display the analysis result of the receiving module.
3. The vehicle identification number reading apparatus according to claim 1, further comprising:
and the comparison module is used for comparing the vehicle identification number obtained by the analysis of the receiving module with the vehicle identification number in a preset database so as to judge whether the vehicle identification number obtained by the analysis of the receiving module is legal or not.
4. The vehicle identification number reading apparatus according to claim 1, wherein the first specific radio frequency signal is a high frequency radio frequency signal, and the second specific radio frequency signal is a low frequency radio frequency signal.
5. A vehicle body controller, comprising:
the storage module is used for storing the vehicle identification number of the target vehicle;
and the bidirectional communication module is used for transmitting the vehicle identification number to the external equipment by transmitting a second specific radio frequency signal when receiving a first specific radio frequency signal from the external equipment.
6. The vehicle body controller of claim 5, further comprising:
and the second control module is used for judging the first specific radio frequency signal received by the bidirectional communication module and controlling the bidirectional communication module to send the vehicle identification number to the external equipment according to the judgment result.
7. The vehicle body controller according to claim 6, wherein the method in which the second control module determines the first specific radio frequency signal received by the bidirectional communication module and controls the bidirectional communication module to transmit the vehicle identification number to the external device according to the determination result includes:
and judging whether the bidirectional communication module receives other signals except the first specific radio frequency signal at present, if so, preferentially responding to the other signals, and after responding to the other signals, sending the vehicle identification number to the external equipment.
8. The vehicle body controller according to claim 6, wherein the second control module is further configured to determine whether the vehicle identification number stored in the storage module is valid, and if the vehicle identification number is invalid, control the bidirectional communication module to transmit an identification signal indicating that the vehicle identification number is invalid to the external device by transmitting the second specific radio frequency signal.
9. The vehicle body controller of claim 5, wherein the first specific radio frequency signal is a high frequency radio frequency signal and the second specific radio frequency signal is a low frequency radio frequency signal.
10. The vehicle body controller of claim 9, wherein the two-way communication module transmits the second specific rf signal through a low frequency antenna provided to a handlebar.
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| CN202110164345.0A CN113158697A (en) | 2021-02-05 | 2021-02-05 | Vehicle identification number reading apparatus and vehicle body controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110164345.0A CN113158697A (en) | 2021-02-05 | 2021-02-05 | Vehicle identification number reading apparatus and vehicle body controller |
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| CN106384417A (en) * | 2016-11-22 | 2017-02-08 | 江苏轩博电子科技有限公司 | Vehicle recognition system based on ultrahigh-frequency RFID technology |
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2021
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| CN102619410A (en) * | 2011-01-28 | 2012-08-01 | 比亚迪股份有限公司 | Intelligent key system and vehicle control method |
| CN202331540U (en) * | 2011-12-05 | 2012-07-11 | 沈阳凯泰条码技术有限公司 | Intelligent electronic license plate |
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