CN114043828A - Pairing calibration method, device and equipment for tire pressure sensing device - Google Patents
Pairing calibration method, device and equipment for tire pressure sensing device Download PDFInfo
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- CN114043828A CN114043828A CN202111480932.7A CN202111480932A CN114043828A CN 114043828 A CN114043828 A CN 114043828A CN 202111480932 A CN202111480932 A CN 202111480932A CN 114043828 A CN114043828 A CN 114043828A
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- 238000004891 communication Methods 0.000 claims description 59
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0471—System initialisation, e.g. upload or calibration of operating parameters
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Abstract
The invention provides a method, a device and equipment for pairing and calibrating a tire pressure sensing device, wherein the method for pairing and calibrating the tire pressure sensing device comprises the following steps: sending an excitation signal to drive a tire pressure sensor of a tire pressure sensing device to transmit a first signal, wherein the first signal comprises identity characteristic information of the tire pressure sensor; acquiring the first signal, packaging the identity characteristic information in the first signal into a second signal, and sending the second signal to a control host of the tire pressure sensing device; receiving a third signal returned by the control host in response to the second signal, wherein the third signal comprises a pairing notification message and represents whether the control host successfully stores the identity characteristic information to realize pairing; and judging whether the control host and the tire pressure sensor are successfully paired or not according to the pairing notification message of the third signal, and finishing a calibration process if the control host and the tire pressure sensor are successfully paired. The invention can finish batch automatic calibration of the tire pressure sensing devices before delivery, so that rapid pairing detection of the tire pressure sensors and the control host is realized.
Description
Technical Field
The invention relates to the technical field of automobile auxiliary equipment, in particular to a tire pressure sensing device pairing calibration method, a tire pressure sensing device pairing calibration device and computer equipment.
Background
The tire pressure detection is an important index in the driving process of the automobile, and the purpose of driving the automobile in a safe tire pressure range is achieved by detecting the tire pressure of the automobile tire. The automobile tire pressure detection is implemented by a tire pressure sensor arranged in a tire, and the tire pressure sensor sends the acquired tire pressure data to the automobile host through wireless communication, so that a driver can acquire the tire pressure data of the automobile through the automobile host, and the automobile can be driven safely.
The wireless communication between the tire pressure sensor and the automobile host requires mutual identity authentication of the two parties, and a communication link is established, so that the purpose of data transmission is achieved. However, due to various problems, some automobile hosts and/or tire pressure sensors cannot be paired with each other to establish a communication link together, so that the automobile hosts cannot receive tire pressure information sent by the tire pressure sensors or tire pressure data sent by the tire pressure sensors cannot be analyzed by the automobile hosts, and a driver cannot acquire the tire pressure data of each tire of the automobile, thereby causing risk in automobile driving. And the pairing between the tire pressure sensor and the automobile host machine needs the debugging and pairing of an automobile maintenance shop or an automobile owner, the operation is complex, and a large amount of time is needed.
To solve this problem, an auxiliary pairing device for assisting the establishment of a communication link between a tire pressure sensor and a host vehicle of an automobile and maintaining the stability of the communication link has been proposed in the art. However, the auxiliary pairing equipment only can act on the automobile host and the tire pressure sensor with the same technical specification, but cannot be applied to the automobile host and the tire pressure sensor with different technical specifications, and the application range is limited. And the auxiliary pairing equipment can increase extra cost, and is not beneficial to large-scale popularization and application. Moreover, the auxiliary pairing device also requires a car repair shop owner or vehicle owner to debug, which takes a lot of time.
Disclosure of Invention
The present invention is directed to a method, an apparatus and a device for calibrating a tire pressure sensing device in a matching manner.
In order to meet various purposes of the invention, the invention adopts the following technical scheme:
the invention provides a tire pressure sensing device pairing calibration method which is suitable for one of the purposes of the invention and comprises the following steps:
sending an excitation signal to drive a tire pressure sensor of a tire pressure sensing device to transmit a first signal, wherein the first signal comprises identity characteristic information of the tire pressure sensor;
acquiring the first signal, packaging the identity characteristic information in the first signal into a second signal, and sending the second signal to a control host of the tire pressure sensing device;
receiving a third signal returned by the control host in response to the second signal, wherein the third signal comprises a pairing notification message and represents whether the control host successfully stores the identity characteristic information to realize pairing;
and judging whether the control host and the tire pressure sensor are successfully paired or not according to the pairing notification message of the third signal, and finishing a calibration process if the control host and the tire pressure sensor are successfully paired.
Specifically, the excitation signal is a low-frequency signal, and the first signal is a high-frequency signal.
Further, the step of sending an excitation signal to drive a tire pressure sensor of the tire pressure sensing device to emit a first signal, where the first signal includes the identity characteristic information of the tire pressure sensor, includes the following specific steps:
transmitting an excitation signal to drive a plurality of tire pressure sensors of a tire pressure sensing device to respectively transmit a first signal;
the method comprises the steps of receiving first signals transmitted by each tire pressure sensor, packaging identity characteristic information in the first signals into second signals together, and sending the second signals to a control host of the tire pressure sensing device.
In one embodiment, when determining whether the control host and the tire pressure sensor are successfully paired, if the control host and the tire pressure sensor are unsuccessfully paired, determining that calibration fails, and executing the tire pressure sensing device pairing calibration method again.
In one embodiment, it is determined whether the control host and the tire pressure sensor are successfully paired, and if the control host and the tire pressure sensor are successfully paired, the following post steps are provided after the step of completing the calibration process:
sending an excitation signal to drive a tire pressure sensor of the tire pressure sensing device to transmit a fourth signal;
receiving a fifth signal returned by the control host machine in response to the fourth signal, wherein the fifth signal contains a pairing association message indicating that the control host machine establishes a communication link with the tire pressure sensor in response to the fourth signal;
and judging whether a communication link is established between the control host and the tire pressure sensor or not according to the pairing association message contained in the fifth signal, and finishing secondary calibration if the communication link is successfully established.
The invention provides a calibration device which is suitable for one of the purposes of the invention and comprises a testing machine, an intermediate machine, a communication module and a calibration frame;
the calibration frame is used for placing a tire pressure sensor and a control host of the tire pressure sensing device;
the intermediate machine is used for controlling to send an excitation signal to drive the tire pressure sensor to send a first signal, packaging the identity characteristic information of the tire pressure sensor obtained from the first signal into a second signal and outputting the second signal to the communication module, and uploading a third signal returned by the control host machine in response to the second signal to the testing machine;
the communication module is used for receiving the first signal and the third signal and transmitting a second signal;
and the testing machine is configured to control the intermediate machine to send an excitation signal, determine whether the control host and the tire pressure sensor are successfully paired according to a pairing notification message contained in the third signal, and complete a calibration process if the pairing is successful.
Specifically, the communication module is a radio frequency communication device, and the intermediate machine and the tester perform data communication through an RS bus.
Furthermore, the calibration frame is provided with at least one fixing groove for placing the tire pressure sensor and a placing groove for placing the control host, the fixing groove is provided with a connecting part, and the connecting part is used for electrically connecting the tire pressure sensor and the control host.
Specifically, the tire pressure sensing device pairing and calibrating device further comprises a warning module, when the testing machine judges that the control host and the tire pressure sensor are not finished in pairing and calibrating, the testing machine outputs a warning signal to drive the warning module to sound and/or emit light to warn.
The present invention also provides a computer apparatus, comprising a central processing unit and a memory, wherein the central processing unit is used for calling and running a computer program stored in the memory to execute the steps of the tire pressure sensing device pairing calibration method.
Compared with the prior art, the invention has the following advantages:
firstly, the tire pressure sensing device pairing and calibration method can detect and calibrate whether the tire pressure sensor and the control host machine are paired with each other or not before the tire pressure sensor and the control host machine which are arranged in a set are delivered from a factory, so that the tire pressure sensor and the control host machine which cannot establish a data communication link are excluded before the delivery from the factory, the tire pressure sensor and the control host machine which are delivered from the factory can be paired with each other to establish the data communication link, and the condition that the tire pressure sensor cannot send the detected tire pressure data to the control host machine in the use process to influence the safe driving of a driver is avoided.
Secondly, the pairing calibration method of the tire pressure sensing device is simple in steps, convenient for automatic operation and capable of avoiding tedious work of manual operation and uncertainty of the work. And the automobile owner or the shop owner selling the tire pressure sensing equipment does not need to pair after leaving the factory, so that the use is convenient, and the debugging and pairing time is saved.
And the calibration device is simple in structure, can simultaneously calibrate the control host and the plurality of tire pressure sensors each time, avoids manually and sequentially calibrating only one tire pressure sensor and one control host, is convenient for calibrating and detecting the tire pressure sensors and the control host in batches, and greatly improves the calibration efficiency.
Drawings
The foregoing 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 schematic block diagram of the circuit of the calibration device, the tire pressure sensor and the control host according to the present invention.
Fig. 2 is a schematic structural diagram of a calibration frame of the calibration device of the present invention.
Fig. 3 is a schematic flow chart of the tire pressure sensing device pairing calibration method of the present invention.
Fig. 4 is a flowchart illustrating step S11 of the tire pressure sensing device pairing calibration method according to the present invention.
Fig. 5 is a schematic flow chart illustrating the post steps of the tire pressure sensing device pairing calibration method 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 by referring to the drawings are exemplary only for the purpose of illustrating the present invention and are not to be construed as limiting the present invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The invention provides a pairing calibration method for tire pressure sensing devices, which is used for calibrating and determining whether a tire pressure sensor of a tire pressure sensing device and a corresponding control host can be paired with each other or not before delivery, and establishing a communication link, so that the condition that the tire pressure data cannot be acquired by a driver and the driver cannot drive under the condition of acquiring a tire pressure state because the tire pressure sensor and the corresponding control host cannot be paired with each other to establish the communication link after delivery is avoided.
The invention provides a calibration device which is suitable for the matching calibration method of the tire pressure sensing device, and the calibration device comprises a testing machine 10, an intermediate machine 20, a communication module 30 and a calibration frame 40 in combination with figure 1. The testing machine 10 is electrically connected to the intermediate machine 20, and the intermediate machine 20 is electrically connected to the communication module 30. In one embodiment of the present invention, the testing machine 10, the intermediate machine 20, and the communication module 30 may be integrated into one device to facilitate calibration of the tire pressure sensing device.
The tire pressure sensing device comprises a control host 80 and at least one tire pressure sensor 70, wherein the tire pressure sensor 70 and the control host 80 are arranged in a set. For a vehicle to be configured, the number of tire pressure sensors in the tire pressure sensing device is related to the number of tires of the vehicle, for example, a common car has four tires, and the tire pressure sensing device includes a host and four tire pressure sensors. Preferably, the control host 80 is a display.
Specifically, the test machine 10 and the intermediate machine 20 are connected by an RS bus to perform data communication.
The calibration frame 40 is used for placing a tire pressure sensing device, and with reference to fig. 2, the calibration frame 40 is provided with a fixing groove 41 corresponding to the tire pressure sensor 70 of the tire pressure sensing device, and the fixing groove 41 is used for placing the tire pressure sensor 70; the control main unit 80 corresponding to the tire pressure sensing device is provided with a placement groove 42, and the placement groove 42 is used for placing the control main unit 80. The fixing groove 41 is provided with a connecting member for electrically connecting the tire pressure sensor 70 and the control unit 80. Preferably, the connection member is a connection port provided in the fixing groove 41.
In one embodiment, the calibration frame 40 is provided with a plurality of fixing slots 41, so as to calibrate whether a plurality of tire pressure sensors 70 are paired with the control host 80 to establish a communication link.
The intermediate machine 20 is used to transmit signals and perform corresponding tasks under the control of the test machine 10.
The testing machine 10 is used for controlling the operation of the intermediate machine 20 and determining whether the pairing calibration between the tire pressure sensor 70 and the control host 80 is completed. Preferably, the testing machine 10 is a computer or a test cartridge.
The communication module 30 is used for transmitting and receiving signals. The communication module 30 is a radio frequency communication module 30. Preferably, the radio frequency communication module 30 includes a low frequency device and a high frequency device, so that the radio frequency communication module 30 can transmit and receive low frequency signals and transmit and receive high frequency signals.
In one embodiment, the calibration apparatus further comprises an alert module including the display module 50 and/or the audio module 60. The display module 50 is a display screen or a warning lamp, and when the calibration is unsuccessful or successful, the display screen or the warning lamp is driven to emit light to warn. The audio module 60 is a speaker, and when the calibration is unsuccessful, the audio module drives the speaker to sound to warn.
Based on the calibration device to execute the tire pressure sensing device pairing calibration method, one or more tire pressure sensors of the tire pressure sensing device are placed in corresponding fixing grooves of the calibration frame, and a control host of the tire pressure sensing device is placed in a placing groove of the calibration frame. With reference to fig. 3, the tire pressure sensing device pairing calibration method includes the following steps:
step S11, sending an excitation signal to drive the tire pressure sensor of the tire pressure sensing device to emit a first signal, where the first signal includes the identity information of the tire pressure sensor:
the testing machine sends a driving signal to the intermediate machine, and the intermediate machine is driven to send an excitation signal to the tire pressure sensor arranged in the fixing groove of the calibration frame through the connecting part. And the tire pressure sensor transmits a first signal to the outside after receiving the excitation signal, wherein the first signal contains the identity characteristic information of the tire pressure sensor, and the identity characteristic information comprises the ID information and the pairing authentication information of the tire pressure sensor. The identity characteristic information is used for mutual authentication pairing with the control host. In one embodiment, the excitation signal is a low frequency signal; the first signal is a high frequency signal so that the communication module receives the first signal.
Step S12, acquiring the first signal, encapsulating the identity characteristic information in the first signal into a second signal, and sending the control host of the tire pressure sensing device:
the communication module receives a first signal sent by the tire pressure sensor, and the communication module outputs the received first signal to the intermediate machine. After the intermediate machine receives the first signal, the identity characteristic information of the tire pressure sensor contained in the first signal is analyzed, and the identity characteristic information is encapsulated in the second signal. The intermediate machine transmits a second signal to the outside through the communication module, and the control host receives the second signal.
And after the control host receives the second signal, the identity characteristic information of the tire pressure sensor is analyzed from the second signal. The control host is matched with the identity characteristic information of the tire pressure sensor based on the identity characteristic information of the tire pressure sensor, and when the matching is successful, the control host stores the identity characteristic information of the tire pressure sensor in a storage medium of the control host to represent the successful matching. When the pairing is failed, the control host does not store the identity characteristic information of the tire pressure sensor in the storage medium of the control host.
In an embodiment, with reference to fig. 4, the step S11 further includes the following specific steps:
step S111, the plurality of tire pressure sensors that transmit excitation information to drive the tire pressure sensing device respectively transmit first signals:
when the tire pressure sensing device is provided with a plurality of tire pressure sensors and a control host, the calibration device is used for calibrating the tire pressure sensors and the control host.
The testing machine sends a driving signal to the intermediate machine, the intermediate machine simultaneously sends an excitation signal to the plurality of tire pressure sensors, the plurality of tire pressure sensors package respective identity characteristic information in a first signal after receiving the excitation signal, and the plurality of tire pressure sensors respectively emit the first signal to the outside.
In one embodiment, the intermediate machine sequentially transmits the excitation signal to each tire pressure sensor, and in particular, the intermediate machine transmits the excitation signal to drive one tire pressure sensor to transmit the first signal, receives the first signal transmitted by the corresponding tire pressure sensor, continues to drive the next tire pressure sensor to transmit the first signal, and so on until all the tire pressure sensors are driven to transmit the first signal.
Step S112, receiving the first signals transmitted by the tire pressure sensors, encapsulating the identity characteristic information in the first signals into a second signal, and transmitting the second signal to the control host of the tire pressure sensing device:
the communication module receives the first signals transmitted by the tire pressure sensors, outputs the first signals to the intermediate machine, and the intermediate machine analyzes the identity characteristic information in the first signals and encapsulates the identity characteristic information corresponding to the tire pressure sensors in a second signal. The intermediate machine outputs a second signal to the communication module, the communication module transmits the second signal to the outside, so that the control host machine can pair based on all the identity characteristic information in the second signal after receiving the second signal, store the successfully-paired identity characteristic information in a storage medium of the control host machine and finish pairing; and the identity characteristic information which is not successfully paired is not stored in the storage medium, and the pairing is failed.
Step S13, receiving a third signal returned by the control host in response to the second signal, where the third signal includes a pairing notification message, and characterizes whether the control host successfully stores the identity feature information to implement pairing:
and when the control host finishes the pairing process based on the identity characteristic information of the tire pressure sensor, the pairing result is made into a pairing notification message, the pairing notification message is encapsulated in the third signal, and the third signal is transmitted to the outside.
And after receiving a third signal transmitted by the control host, the communication module outputs the third signal to the intermediate machine, and the intermediate machine uploads the third signal to the testing machine. The testing machine analyzes the corresponding pairing notification message from the third signal, and acquires a pairing result between the corresponding tire pressure sensor and the control host from the pairing notification message.
Step S14, determining whether the control host and the tire pressure sensor are successfully paired according to the pairing notification message of the third signal, and if the pairing is successful, completing a calibration process:
the testing machine acquires a pairing result between the corresponding tire pressure sensor and the control host machine based on the pairing notification message from the acquired third signal. When the pairing result between the tire pressure sensor and the control host obtained from the pairing notification message by the testing machine is successful, the testing machine judges that the pairing between the corresponding tire pressure sensor and the control host is completed, a data communication link can be constructed between the tire pressure sensor and the control host, the calibration process of the tire pressure sensing device pairing calibration method is finished, the tire pressure sensor and the corresponding control host are calibrated to be qualified, and the tire pressure sensing device formed by the tire pressure sensor and the control host can be shipped out of a factory in a set.
In one embodiment, when the testing machine determines that the pairing between the tire pressure sensor and the control host computer has failed, the data communication link cannot be established. The testing machine drives the display module to emit light so as to represent calibration failure; and/or the testing machine drives a loudspeaker to sound so as to represent calibration failure.
In one embodiment, after the pairing between the tire pressure sensor and the control host computer fails, the method further includes step S15, when determining whether the pairing between the control host computer and the taiyuan sensor is successful, if the pairing is unsuccessful, determining that calibration is failed, and executing the tire pressure sensing device pairing calibration method again:
when the testing machine determines that the pairing calibration between the tire pressure sensor and the control host fails, in order to avoid system errors and the pairing failure between the tire pressure sensor and the control host, the steps S11 to S14 of the tire pressure sensing device pairing calibration method are executed again to determine again whether the tire pressure sensor and the corresponding control host can be paired with each other, so as to construct a data communication link.
In another embodiment, when the testing machine determines that the pairing between the tire pressure sensor and the control host is successful, and after calibration is completed, in order to avoid calibration errors, secondary calibration is performed to avoid system errors and ensure that a data communication link is established between the tire pressure sensor and the control host. Specifically, in conjunction with fig. 5, the following steps are included in the present embodiment:
step S16, sending an excitation signal to drive the tire pressure sensor of the tire pressure sensing device to emit a fourth signal:
the testing machine sends a driving signal to the intermediate machine, the intermediate machine is driven to send an excitation signal to the tire pressure sensor, and the tire pressure sensor sends a fourth signal to the outside after receiving the excitation signal.
Step S17, receiving a fifth signal returned by the control host in response to the fourth signal, where the fifth signal includes a pairing association message, indicating that the control host establishes a data communication link with the tire pressure sensor in response to the fourth signal:
after the control host computer receives the fourth signal, the control host computer establishes a data communication link with the successfully paired tire pressure sensor based on the fourth signal, so that the tire pressure sensor sends the detected tire pressure data to the control host computer.
After the control host computer and the tire pressure sensor establish a data communication link, the control host computer makes information of the data communication link established with the tire pressure sensor into a pairing association message, encapsulates the pairing association message in a fifth signal, and transmits the fifth signal to the outside.
Step S18, determining whether the control host and the tire pressure sensor establish a communication link according to the pairing association message included in the fifth signal, and if the communication link is successfully established, completing secondary calibration:
and the communication module receives a fifth signal transmitted by the control host and outputs the fifth signal to the intermediate machine, and the intermediate machine uploads the received fifth signal to the testing machine. The testing machine analyzes the pairing association message from the fifth signal, and acquires whether the data communication link is successfully established between the corresponding tire pressure sensor and the control host from the pairing association message. And when the testing machine judges that the data communication link is successfully established between the tire pressure sensor and the control host machine based on the pairing association message, the secondary calibration is completed, and the tire pressure sensing device formed by the tire pressure sensor and the control host machine can leave a factory in a set.
The invention also provides computer equipment which comprises a central processing unit and a memory, wherein the central processing unit is used for calling and operating the computer program stored in the memory to execute the tire pressure sensing device pairing calibration method.
In conclusion, the invention can finish batch automatic calibration of the tire pressure sensing devices before delivery, so that the tire pressure sensors and the control host machine can realize rapid pairing detection, and the condition that a driver cannot timely acquire tire pressure data and is not beneficial to safe driving because the tire pressure sensors and the control host machine cannot be paired after delivery is avoided.
Those of skill in the art will appreciate that the various operations, methods, steps in the processes, acts, or solutions discussed in this application can be interchanged, modified, combined, or eliminated. Further, other steps, measures, or schemes in various operations, methods, or flows that have been discussed in this application can be alternated, altered, rearranged, broken down, combined, or deleted. Further, steps, measures, schemes in the prior art having various operations, methods, procedures disclosed in the present application may also be alternated, modified, rearranged, decomposed, combined, or deleted.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (10)
1. A tire pressure sensing device pairing calibration method is characterized by comprising the following steps:
sending an excitation signal to drive a tire pressure sensor of a tire pressure sensing device to transmit a first signal, wherein the first signal comprises identity characteristic information of the tire pressure sensor;
acquiring the first signal, packaging the identity characteristic information in the first signal into a second signal, and sending the second signal to a control host of the tire pressure sensing device;
receiving a third signal returned by the control host in response to the second signal, wherein the third signal comprises a pairing notification message and represents whether the control host successfully stores the identity characteristic information to realize pairing;
and judging whether the control host and the tire pressure sensor are successfully paired or not according to the pairing notification message of the third signal, and finishing a calibration process if the control host and the tire pressure sensor are successfully paired.
2. The tire pressure sensing device pair calibration method of claim 1, wherein the excitation signal is a low frequency signal and the first signal is a high frequency signal.
3. The tire pressure sensing device pairing calibration method according to claim 1, wherein the step of sending an excitation signal to drive the tire pressure sensor of the tire pressure sensing device to emit a first signal, the first signal including the identity characteristic information of the tire pressure sensor, comprises the following specific steps:
transmitting an excitation signal to drive a plurality of tire pressure sensors of a tire pressure sensing device to respectively transmit a first signal;
the method comprises the steps of receiving first signals transmitted by each tire pressure sensor, packaging identity characteristic information in the first signals into second signals together, and sending the second signals to a control host of the tire pressure sensing device.
4. The tire pressure sensing device pairing calibration method according to claim 1, wherein when it is determined whether the control host and the tire pressure sensor are successfully paired, if the pairing is not successful, it is determined that the calibration is failed, and the tire pressure sensing device pairing calibration method is executed again.
5. The tire pressure sensing device pairing calibration method according to claim 1, wherein it is determined whether the control host and the tire pressure sensor are successfully paired, and if the pairing is successful, the following post-step is provided after the step of completing the calibration process:
sending an excitation signal to drive a tire pressure sensor of the tire pressure sensing device to transmit a fourth signal;
receiving a fifth signal returned by the control host machine in response to the fourth signal, wherein the fifth signal contains a pairing association message indicating that the control host machine establishes a communication link with the tire pressure sensor in response to the fourth signal;
and judging whether a communication link is established between the control host and the tire pressure sensor or not according to the pairing association message contained in the fifth signal, and finishing secondary calibration if the communication link is successfully established.
6. A calibration device is characterized by comprising a testing machine, an intermediate machine, a communication module and a calibration frame;
the calibration frame is used for placing a tire pressure sensor and a control host of the tire pressure sensing device;
the intermediate machine is used for controlling to send an excitation signal to drive the tire pressure sensor to send a first signal, packaging the identity characteristic information of the tire pressure sensor obtained from the first signal into a second signal and outputting the second signal to the communication module, and uploading a third signal returned by the control host machine in response to the second signal to the testing machine;
the communication module is used for receiving the first signal and the third signal and transmitting a second signal;
and the testing machine is configured to control the intermediate machine to send an excitation signal, determine whether the control host and the tire pressure sensor are successfully paired according to a pairing notification message contained in the third signal, and complete a calibration process if the pairing is successful.
7. The calibration device according to claim 6, wherein the communication module is a radio frequency communication device, and the intermediate machine and the tester perform data communication through an RS bus.
8. The calibration device according to claim 6, wherein the calibration frame is provided with at least one fixing groove for placing the tire pressure sensor and a placing groove for placing the control host, and the fixing groove is provided with a connecting component for electrically connecting the tire pressure sensor and the control host.
9. The calibrating device according to claim 6, wherein the tire pressure sensing device paired calibrating device further comprises a warning module, and when the testing machine determines that the control host and the tire pressure sensor are not paired and calibrated, the testing machine outputs a warning signal to drive the warning module to sound and/or emit light to warn.
10. A computer device comprising a central processor and a memory, characterized in that the central processor is adapted to invoke execution of a computer program stored in the memory to perform the steps of the method according to any one of claims 1 to 5.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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