CN209446209U - Tire pressure detects multi-functional hand-held device - Google Patents
Tire pressure detects multi-functional hand-held device Download PDFInfo
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- CN209446209U CN209446209U CN201920031148.XU CN201920031148U CN209446209U CN 209446209 U CN209446209 U CN 209446209U CN 201920031148 U CN201920031148 U CN 201920031148U CN 209446209 U CN209446209 U CN 209446209U
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- tyre pressure
- tire pressure
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Abstract
The utility model belongs to automotive electronics tire pressure detection technique field, it is related to a kind of tire pressure detection multi-functional hand-held device, the tire pressure detection multi-functional hand-held device is equipped with multiple communication interface, it can effectively realize and carry out data communication with tyre pressure sensor, it is arranged to complete reading and the function of data, realizes that tyre pressure sensor ID is corresponding with the matching of wheel position；After solving vehicle factory, due to the problem of car owner replaces wheel position self, and tyre pressure sensor ID and wheel position are not inconsistent；After solving vehicle factory, due to the tyre pressure sensor that car owner more renews, the problem of tyre pressure sensor ID cannot being matched to wheel position；It solves the problems, such as after-sales service low efficiency, uses the utility model that can with fast speed read the internal data of tyre pressure sensor, while also providing data supporting for vehicle maintenance.
Description
Technical field
The utility model belongs to automotive electronics tire pressure detection technique field, is related to a kind of tire pressure detection Multifunctional hand-held and sets
It is standby, and in particular to the electronic product of a kind of pair of wheel transmitter matching and test.
Background technique
Currently marketed system for detecting tire pressure, the side about the tyre pressure sensor ID in automobile tire and location matches
Formula is substantially all to be fixed, can not change after tyre pressure sensor ID with binding positions, can only just can be more by returning factory
Change maintenance, behind the independently position of more wheel change, mistake can occur car owner for the position that data are shown.
Utility model content
The utility model uses button operation, sends data by LF circuit, notice tyre pressure sensor enters Auto-matching
Or single-wheel location position, then the reading of pressure, temperature, battery capacity data may be implemented, and pass through CAN transmission circuit online
The position specific technical solution for matching wheel again to four-wheel is as follows:
A kind of tire pressure detection multi-functional hand-held device, comprising: power circuit, screen display, LF circuit, is pressed main control unit circuit
Key circuit, RF circuit and CAN transmission circuit；
The power circuit includes: charging circuit, rechargeable battery, reduction voltage circuit and switch；
The charging circuit is connect with rechargeable battery, and the rechargeable battery is connected with switch, the switch and decompression
Circuit, main control unit circuit, screen display, LF circuit, key circuit, RF circuit, the connection of CAN transmission circuit；The main control unit electricity
Road is connect with screen display, LF circuit, key circuit, RF circuit, CAN transmission circuit；The LF circuit wirelessly with automobile
On tyre pressure sensor communicated；The RF circuit is wirelessly communicated with the tyre pressure sensor on automobile；Institute
It states CAN transmission circuit and is communicated by CAN bus mode with the tire pressure receiver on automobile；
The charging circuit is used for: for rechargeable battery charging；
The rechargeable battery is used for: providing 12V voltage；
The reduction voltage circuit is used for: the voltage of 12V is reduced to 5V；
The switch is used for: be switched on or switched off rechargeable battery and reduction voltage circuit, main control unit circuit, screen display, LF circuit,
The connection of key circuit, RF circuit, CAN transmission circuit, i.e., hand-hold programmer when not in use, switch disconnect, to save electric energy；
The main control unit circuit includes: MCU；
The MCU is connect with reduction voltage circuit；
The MCU is used for: capturing key；Display data are sent to screen display；Receive the tyre pressure sensor ID that RF circuit is sent
Data, and store tyre pressure sensor ID data；Tyre pressure sensor ID data are analyzed, and by the tyre pressure sensor after analysis
ID data are sent to CAN transmission circuit；Key commands are executed, key commands data are sent to tyre pressure sensor by LF circuit；
The screen display is used for: the display data that display MCU is sent to screen display；
The key circuit is used for: by main control unit circuit, completing the data interaction between user and screen display；
The LF circuit is used for: the tire pressure after receiving the key commands data and analysis that main control unit circuit sends over passes
Sensor ID data, and the tyre pressure sensor ID data after above-mentioned key commands data and analysis are sent to tyre pressure sensor；
The CAN transmission circuit is used for: the tyre pressure sensor ID data after receiving analysis, and the tire pressure after analysis is sensed
Device ID data are sent to tire pressure receiver；
The RF circuit is used for: receiving the tyre pressure sensor ID data that tyre pressure sensor is sent, and by tyre pressure sensor ID
Data are sent to main control unit circuit.
Based on the above technical solution, tyre pressure sensor of the LF circuit in the form of low frequency signal and on automobile
It is communicated.
Based on the above technical solution, the communication frequency that the LF circuit is communicated with the tyre pressure sensor on automobile
Rate is 125KHz；The communication frequency that the RF circuit is communicated with the tyre pressure sensor on automobile is 433.92MHz.
Based on the above technical solution, the MCU includes: the space FLASH and ram space；
The ram space is used for: storage tyre pressure sensor ID data；
The space FLASH is used for: the program code of storage tire pressure detection multi-functional hand-held device.
Based on the above technical solution, the MCU is 16 single-chip microcontrollers.
Based on the above technical solution, the model MC9S12G128 of 16 single-chip microcontrollers, it is described
MC9S12G128 chip includes the space FLASH of 128K.
Based on the above technical solution, the screen display is liquid crystal display.
Based on the above technical solution, the liquid crystal display that the liquid crystal display is 128 × 64.
Based on the above technical solution, the CAN transmission circuit is with the tire in the data and automobile of CAN data format
Pressure receiver is communicated.
Based on the above technical solution, the RF circuit includes: TDA5235.
The advantageous effects of the utility model are as follows:
1, after solving vehicle factory, since car owner replaces wheel position self, tyre pressure sensor ID is not inconsistent with wheel position
The problem of.
2, after solving vehicle factory, due to the tyre pressure sensor that car owner more renews, tyre pressure sensor ID cannot be matched to
The problem of wheel position.
3, it solves the problems, such as after-sales service low efficiency, uses the utility model that can with fast speed read tyre pressure sensor
Internal data, while also providing data supporting for vehicle maintenance.
Detailed description of the invention
The utility model has following attached drawing:
Fig. 1 is the connection structure schematic block diagram of the utility model.
Specific embodiment
The utility model is described in further details below in conjunction with drawings and examples.
As shown in Figure 1, a kind of tire pressure detects multi-functional hand-held device, comprising: power circuit, main control unit circuit, screen display,
LF circuit, key circuit, RF circuit and CAN transmission circuit；
The power circuit includes: charging circuit, rechargeable battery, reduction voltage circuit and switch；
The charging circuit is connect with rechargeable battery, and the rechargeable battery is connected with switch, the switch and decompression
Circuit, main control unit circuit, screen display, LF circuit, key circuit, RF circuit, the connection of CAN transmission circuit；The main control unit electricity
Road is connect with screen display, LF circuit, key circuit, RF circuit, CAN transmission circuit；The LF circuit wirelessly with automobile
On tyre pressure sensor communicated；The RF circuit is wirelessly communicated with the tyre pressure sensor on automobile；Institute
It states CAN transmission circuit and is communicated by CAN bus mode with the tire pressure receiver on automobile；
The charging circuit is used for: for rechargeable battery charging；
The rechargeable battery is used for: providing 12V voltage；
The reduction voltage circuit is used for: the voltage of 12V is reduced to 5V；
The switch is used for: be switched on or switched off rechargeable battery and reduction voltage circuit, main control unit circuit, screen display, LF circuit,
The connection of key circuit, RF circuit, CAN transmission circuit, i.e., hand-hold programmer when not in use, switch disconnect, to save electric energy；
The main control unit circuit includes: MCU；
The MCU is connect with reduction voltage circuit；
The MCU is used for: capturing key；Display data are sent to screen display；Receive the tyre pressure sensor ID that RF circuit is sent
Data, and store tyre pressure sensor ID data；Tyre pressure sensor ID data are analyzed, and by the tyre pressure sensor after analysis
ID data are sent to CAN transmission circuit and LF circuit；
The screen display is used for: the display data that display MCU is sent to screen display；
The key circuit is used for: by main control unit circuit, completing the data interaction between user and screen display；
The LF circuit is used for: the tire pressure after receiving key " order " data and analysis that main control unit circuit sends over
Sensor ID data, and the tyre pressure sensor ID data after above-mentioned key " order " data and analysis are sent to tire pressure sensing
Device；
The CAN transmission circuit is used for: the tyre pressure sensor ID data after receiving analysis, and the tire pressure after analysis is sensed
Device ID data are sent to tire pressure receiver；
The RF circuit is used for: receiving the tyre pressure sensor ID data that tyre pressure sensor is sent, and by tyre pressure sensor ID
Data are sent to main control unit circuit.
Based on the above technical solution, tyre pressure sensor of the LF circuit in the form of low frequency signal and on automobile
It is communicated.
Based on the above technical solution, the communication frequency that the LF circuit is communicated with the tyre pressure sensor on automobile
Rate is 125KHz；The communication frequency that the RF circuit is communicated with the tyre pressure sensor on automobile is 433.92MHz.
Based on the above technical solution, the MCU includes: the space FLASH and ram space；
The ram space is used for: storage tyre pressure sensor ID data；
The space FLASH is used for: the program code of storage tire pressure detection multi-functional hand-held device.
Based on the above technical solution, the MCU is 16 single-chip microcontrollers.
Based on the above technical solution, the model MC9S12G128 of 16 single-chip microcontrollers, it is described
MC9S12G128 chip includes the space FLASH of 128K.
Based on the above technical solution, the screen display is liquid crystal display.
Based on the above technical solution, the liquid crystal display that the liquid crystal display is 128 × 64.
Based on the above technical solution, the CAN transmission circuit is with the tire in the data and automobile of CAN data format
Pressure receiver is communicated.
Based on the above technical solution, the RF circuit includes: TDA5235.
Tyre pressure sensor ID data after analysis include: the matching corresponding relationship of tyre pressure sensor ID and wheel position.
Tyre pressure sensor correspondence with foreign country mode are as follows: received by the LF circuit in tyre pressure sensor multi-functional from tire pressure detection
The data of handheld device send data to tire pressure detection multi-functional hand-held device by the RF circuit in tyre pressure sensor or tire pressure connect
Receive device.
Tire pressure receiver correspondence with foreign country mode is divided into: wireless mode and two kinds of wired mode.
Wireless mode are as follows: receive the tire pressure data sent from tyre pressure sensor.
Wired mode are as follows: the connection of one end of the standard CAN interface that tire pressure receiver is equipped with by itself and CAN bus, separately
One end is connect with the CAN interface on vehicle main frame, realizes the data exchange of tire pressure receiver and vehicle main frame.
Tire pressure detects multi-functional hand-held device and LF circuit is supported to send data, RF circuit reception data, CAN transmission circuit and receive
Send out data.
Tire pressure detects the multiple communication interface of multi-functional hand-held device, can effectively realize and be counted with tyre pressure sensor
According to communication, to complete the reading and function setting of data.
Embodiment of above is merely to illustrate the utility model, and is not limitation of the utility model, related technology neck
The those of ordinary skill in domain, in the case where not departing from the spirit and scope of the utility model, can also make a variety of changes and
Modification, therefore all equivalent technical solutions also belong to the scope of the utility model, the scope of patent protection of the utility model by
Claim limits.
The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (9)
1. a kind of tire pressure detects multi-functional hand-held device characterized by comprising power circuit, main control unit circuit, screen display,
LF circuit, key circuit, RF circuit and CAN transmission circuit；
The power circuit includes: charging circuit, rechargeable battery, reduction voltage circuit and switch；
The charging circuit is connect with rechargeable battery, and the rechargeable battery is connected with switch, it is described switch with reduction voltage circuit,
Main control unit circuit, screen display, LF circuit, key circuit, RF circuit, the connection of CAN transmission circuit；The main control unit circuit and screen
Aobvious, LF circuit, key circuit, RF circuit, CAN transmission circuit connection；The LF circuit wirelessly with the tire on automobile
Pressure sensor is communicated；The RF circuit is wirelessly communicated with the tyre pressure sensor on automobile；The CAN is received
Power Generation Road is communicated by CAN bus mode with the tire pressure receiver on automobile；
The charging circuit is used for: for rechargeable battery charging；
The rechargeable battery is used for: providing 12V voltage；
The reduction voltage circuit is used for: the voltage of 12V is reduced to 5V；
The switch is used for: being switched on or switched off rechargeable battery and reduction voltage circuit, main control unit circuit, screen display, LF circuit, key
The connection of circuit, RF circuit, CAN transmission circuit；
The main control unit circuit includes: MCU；
The MCU is connect with reduction voltage circuit；
The MCU is used for: capturing key；Display data are sent to screen display；The tyre pressure sensor ID data that RF circuit is sent are received,
And store tyre pressure sensor ID data；Tyre pressure sensor ID data are analyzed, and by the tyre pressure sensor ID number after analysis
According to being sent to CAN transmission circuit；Key commands are executed, key commands data are sent to tyre pressure sensor by LF circuit；
The screen display is used for: the display data that display MCU is sent to screen display；
The key circuit is used for: by main control unit circuit, completing the data interaction between user and screen display；
The LF circuit is used for: the tyre pressure sensor after receiving the key commands data and analysis that main control unit circuit sends over
ID data, and the tyre pressure sensor ID data after above-mentioned key commands data and analysis are sent to tyre pressure sensor；
The CAN transmission circuit is used for: the tyre pressure sensor ID data after receiving analysis, and by the tyre pressure sensor ID after analysis
Data are sent to tire pressure receiver；
The RF circuit is used for: receiving the tyre pressure sensor ID data that tyre pressure sensor is sent, and by tyre pressure sensor ID data
It is sent to main control unit circuit.
2. tire pressure as described in claim 1 detects multi-functional hand-held device, it is characterised in that: the LF circuit is with low frequency signal
Form communicated with the tyre pressure sensor on automobile.
3. tire pressure as claimed in claim 2 detects multi-functional hand-held device, it is characterised in that: on the LF circuit and automobile
The communication frequency that tyre pressure sensor is communicated is 125KHz；What the RF circuit was communicated with the tyre pressure sensor on automobile
Communication frequency is 433.92MHz.
4. tire pressure as described in claim 1 detects multi-functional hand-held device, it is characterised in that: the MCU includes: FLASH sky
Between and ram space；
The ram space is used for: storage tyre pressure sensor ID data；
The space FLASH is used for: the program code of storage tire pressure detection multi-functional hand-held device.
5. tire pressure as described in claim 1 detects multi-functional hand-held device, it is characterised in that: the MCU is 16 single-chip microcontrollers.
6. tire pressure as claimed in claim 5 detects multi-functional hand-held device, it is characterised in that: the model of 16 single-chip microcontrollers
For MC9S12G128, the MC9S12G128 chip includes the space FLASH of 128K.
7. tire pressure as described in claim 1 detects multi-functional hand-held device, it is characterised in that: the screen display is liquid crystal display.
8. tire pressure as claimed in claim 7 detects multi-functional hand-held device, it is characterised in that: the liquid crystal display is 128 × 64
Liquid crystal display.
9. tire pressure as described in claim 1 detects multi-functional hand-held device, it is characterised in that: the CAN transmission circuit is with CAN
The data of data format are communicated with the tire pressure receiver on automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920031148.XU CN209446209U (en) | 2019-01-09 | 2019-01-09 | Tire pressure detects multi-functional hand-held device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920031148.XU CN209446209U (en) | 2019-01-09 | 2019-01-09 | Tire pressure detects multi-functional hand-held device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209446209U true CN209446209U (en) | 2019-09-27 |
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ID=68017509
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920031148.XU Active CN209446209U (en) | 2019-01-09 | 2019-01-09 | Tire pressure detects multi-functional hand-held device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043828A (en) * | 2021-12-06 | 2022-02-15 | 铁将军汽车电子股份有限公司 | Pairing calibration method, device and equipment for tire pressure sensing device |
-
2019
- 2019-01-09 CN CN201920031148.XU patent/CN209446209U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043828A (en) * | 2021-12-06 | 2022-02-15 | 铁将军汽车电子股份有限公司 | Pairing calibration method, device and equipment for tire pressure sensing device |
| CN114043828B (en) * | 2021-12-06 | 2024-05-31 | 铁将军汽车电子股份有限公司 | Tire pressure sensing device pairing calibration method, device and equipment |
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