CN209851990U - Four-wheel aligner - Google Patents
Four-wheel aligner Download PDFInfo
- Publication number
- CN209851990U CN209851990U CN201920035844.8U CN201920035844U CN209851990U CN 209851990 U CN209851990 U CN 209851990U CN 201920035844 U CN201920035844 U CN 201920035844U CN 209851990 U CN209851990 U CN 209851990U
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Abstract
The utility model relates to a four-wheel aligner includes: the device comprises a power circuit, a master control circuit, a key circuit and an LF circuit; the power circuit is respectively connected with the master control circuit and the LF circuit, the key circuit comprises four keys, the master control circuit comprises an MCU, the four keys of the key circuit are respectively connected with pins of the master control circuit MCU, and the master control circuit is connected with the LF circuit; the power circuit is used for supplying power to the main control circuit and the LF circuit; the key circuit sends a signal to the main control circuit by changing the level of the MCU pin; the main control circuit is used for receiving signals sent by the key circuit and sending data to the LF circuit; the data includes: a location ID; the LF circuit is used for sending the data that master control circuit sent to tire pressure sensor through the antenna, lets tire pressure sensor replace the inside old position ID by the position ID that comes from newly. Use four-wheel aligner just can the convenient correct wheel position that sets up of fast degree.
Description
Technical Field
The utility model relates to an electronic equipment, a four-wheel aligner specifically says so.
Background
Currently, a tire pressure detection system in the automobile market becomes an indispensable part of an automobile, and the installation modes of a tire pressure sensor are in-tire installation and out-tire installation respectively.
When the car runs for a long time, the degree of wear of front and rear wheels is different, and some car owners can change the position of the front and rear wheels, and the condition that the position and the data are inconsistent will appear in the display of the tire pressure detection system, and to this, the exchange of the tire pressure sensor installed outside the tire can, but the tire pressure sensor installed in the tire needs to be detached and installed, or the maintenance in the 4S shop is removed, which is relatively troublesome.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a four-wheel aligner.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a four-wheel aligner includes: the device comprises a power circuit, a master control circuit, a key circuit and an LF circuit;
the power circuit is respectively connected with the master control circuit and the LF circuit, the key circuit comprises four keys, the master control circuit comprises an MCU, the four keys of the key circuit are respectively connected with pins of the master control circuit MCU, and the master control circuit is connected with the LF circuit;
the power circuit is used for supplying power to the main control circuit and the LF circuit;
the key circuit sends a signal to the main control circuit by changing the level of the MCU pin;
the main control circuit is used for receiving signals sent by the key circuit and sending data to the LF circuit; the data includes: a location ID;
the LF circuit is used for transmitting the data sent by the main control circuit to the tire pressure sensor through the antenna, and the tire pressure sensor replaces the old position ID in the tire pressure sensor with the newly transmitted position ID.
On the basis of the scheme, the power supply circuit comprises a battery, and the battery is a button type 3V battery.
On the basis of the scheme, the main control circuit adopts an 8-bit MCU with the model of PIC18F 313.
On the basis of the scheme, four keys in the key circuit correspond to four positions of the automobile wheel, namely left front, left rear, right rear and right front.
The utility model has the advantages that:
tire pressure sensor of installation in the child on the current market, after the car owner changes the wheel position, must to the correct demonstration that the 4S shop just can change wheel tire pressure number, use four-wheel aligner just can the convenient correct wheel position that sets up of fast degree.
Drawings
The utility model discloses there is following figure:
fig. 1 is a block diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to fig. 1.
A four-wheel aligner includes: the device comprises a power circuit, a master control circuit, a key circuit and an LF circuit;
the power circuit is respectively connected with the master control circuit and the LF circuit, the key circuit comprises four keys, the master control circuit comprises an MCU, the four keys of the key circuit are respectively connected with pins of the master control circuit MCU, and the master control circuit is connected with the LF circuit;
the power circuit is used for supplying power to the main control circuit and the LF circuit;
the key circuit sends a signal to the main control circuit by changing the level of the MCU pin;
the main control circuit is used for receiving signals sent by the key circuit and sending data to the LF circuit; the data includes: a location ID;
the LF circuit is used for transmitting the data sent by the main control circuit to the tire pressure sensor through the antenna, and the tire pressure sensor replaces the old position ID in the tire pressure sensor with the newly transmitted position ID.
On the basis of the scheme, the power supply circuit comprises a battery, and the battery is a button type 3V battery.
On the basis of the scheme, the main control circuit adopts an 8-bit MCU with the model of PIC18F 313.
On the basis of the scheme, four keys in the key circuit correspond to four positions of the automobile wheel, namely left front, left rear, right rear and right front.
Power supply circuit
The power supply circuit comprises a battery, and the battery adopts a button type 3V battery for supplying power to the main control circuit and the LF circuit.
Master control circuit
The main control circuit adopts an 8-bit MCU with the model of PIC18F313, and the main control circuit is mainly used for receiving key signals and sending data to the LF circuit.
Key circuit
The key circuit mainly comprises four keys, the keys are connected with the MCU pins, and when the keys are pressed down, the level of the connected MCU pins can be changed.
LF circuit
The LF circuit is mainly used for sending a signal sent by the MCU to the tire pressure sensor through the antenna, and enabling the tire pressure sensor to replace an old position ID in the tire pressure sensor with a newly sent position ID.
Four keys on the four-wheel aligner equipment correspond to four positions of automobile wheels, namely left front, left rear, right rear and right front. The four-wheel positioning instrument is close to a certain tire pressure sensor, and the position ID can be sent to the tire pressure sensor through the LF circuit by pressing a corresponding key, so that the position ID of the tire pressure sensor in the wheel can be changed.
Those not described in detail in this specification are within the skill of the art.
Claims (4)
1. A four-wheel aligner, comprising: the device comprises a power circuit, a master control circuit, a key circuit and an LF circuit;
the power circuit is respectively connected with the master control circuit and the LF circuit, the key circuit comprises four keys, the master control circuit comprises an MCU, the four keys of the key circuit are respectively connected with pins of the master control circuit MCU, and the master control circuit is connected with the LF circuit;
the power circuit is used for supplying power to the main control circuit and the LF circuit;
the key circuit sends a signal to the main control circuit by changing the level of the MCU pin;
the main control circuit is used for receiving signals sent by the key circuit and sending data to the LF circuit; the data includes: a location ID;
the LF circuit is used for transmitting the data sent by the main control circuit to the tire pressure sensor through the antenna, and the tire pressure sensor replaces the old position ID in the tire pressure sensor with the newly transmitted position ID.
2. The four-wheel aligner according to claim 1, wherein the power circuit comprises a battery, and the battery is a 3V button battery.
3. The four-wheel aligner according to claim 1, wherein the main control circuit adopts an 8-bit MCU of type PIC18F 313.
4. The four-wheel aligner according to claim 1, wherein the four keys in the key circuit correspond to four positions of the wheels of the automobile, namely left front, left rear, right rear and right front.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920035844.8U CN209851990U (en) | 2019-01-09 | 2019-01-09 | Four-wheel aligner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920035844.8U CN209851990U (en) | 2019-01-09 | 2019-01-09 | Four-wheel aligner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209851990U true CN209851990U (en) | 2019-12-27 |
Family
ID=68930116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920035844.8U Active CN209851990U (en) | 2019-01-09 | 2019-01-09 | Four-wheel aligner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209851990U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111845221A (en) * | 2020-08-21 | 2020-10-30 | 徐州徐工汽车制造有限公司 | Tire pressure monitoring system and method for automatic calibration of tire pressure sensor |
-
2019
- 2019-01-09 CN CN201920035844.8U patent/CN209851990U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111845221A (en) * | 2020-08-21 | 2020-10-30 | 徐州徐工汽车制造有限公司 | Tire pressure monitoring system and method for automatic calibration of tire pressure sensor |
| CN111845221B (en) * | 2020-08-21 | 2023-10-03 | 徐州徐工汽车制造有限公司 | Tire pressure monitoring system and method for automatic calibration of tire pressure sensor |
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