CN210958389U - Sub-equipment connection expandable system based on TPMS (tire pressure monitoring System) - Google Patents
Sub-equipment connection expandable system based on TPMS (tire pressure monitoring System) Download PDFInfo
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- CN210958389U CN210958389U CN201922384709.7U CN201922384709U CN210958389U CN 210958389 U CN210958389 U CN 210958389U CN 201922384709 U CN201922384709 U CN 201922384709U CN 210958389 U CN210958389 U CN 210958389U
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Abstract
The utility model discloses a sub-equipment connects expandable system based on TPMS system, including TPMS system control center and subsystem, the subsystem is equipped with a plurality of groups, a plurality of groups subsystem is electrocardio continuous in parallel mode and TPMS system control, TPMS system control center includes physical layer bus transceiver chip, R55, R56, R57, R58, V4 and V5, R55, R56 and R57 link to each other with physical layer bus transceiver chip electricity, V4 links to each other with R56 and R57 electricity respectively, V5 is parallelly connected with V4, R58 is parallelly connected with V5. The utility model belongs to the technical field of communication, specifically indicate a can solve the sub-equipment connection expandable system based on TPMS of the real-time scalability's of communication problem and subsystem between the many subsystems in the TPMS system problem.
Description
Technical Field
The utility model belongs to the technical field of communication, specifically indicate a sub-equipment connects expandable system based on TPMS.
Background
The TPMS has diversity in market application, and the number of subsystems is different due to different vehicle types and different shaft numbers, for example, the functions of a plurality of receiving and processing terminals, a plurality of control terminals and other submodules which need to be expanded.
SUMMERY OF THE UTILITY MODEL
In order to solve the difficult problem, the utility model provides a can solve the sub-equipment connection expandable system based on TPMS of the problem of the real-time scalability of communication problem between the many subsystems and subsystem in the TPMS system.
In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: the TPMS-based sub-equipment connection expandable system comprises a TPMS system control center and sub-systems, wherein the sub-systems are provided with a plurality of groups, the sub-systems of the plurality of groups are connected with a control center of the TPMS system in a parallel mode, the TPMS system control center comprises a physical layer bus transceiver chip, a resistor R55, a resistor R56, a resistor R57, a resistor R58, a transient suppression diode V4 and a transient suppression diode V5, the resistor R55, the resistor R56 and the resistor R57 are electrically connected with the physical layer bus transceiver chip, the transient suppression diode V4 is electrically connected with the resistor R56 and the resistor R57 respectively, the transient suppression diode V5 is connected with the transient suppression diode V4 in parallel, and the resistor R58 is connected with the transient suppression diode V5 in parallel.
Further, the physical layer bus transceiver chip adopts a TJA1044T chip.
Further, the resistor R55, the resistor R56, and the resistor R57 are debug resistors, the transient suppression diode V4 is a bidirectional transient suppression diode, the transient suppression diode V5 is a bidirectional transient suppression diode, and the resistor R58 is a termination resistor.
The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides a pair of subsystem is connected and can be extended system based on TPMS, this scheme is used and can effectively reduce the error rate of system communication in the commercial car TPMS system, solves the interior communication complex problem of system to realize the real-time scalability of subsystem, and do not influence the communication between each equipment, thereby make the communication between the control center of commercial car TPMS system and the subsystem more stable high-efficient.
Drawings
Fig. 1 is a communication connection block diagram of the sub-device connection expandable system based on TPMS of the present invention;
fig. 2 is the utility model relates to a but expandable system TPMS system control center circuit connection picture is connected to sub-equipment based on TPMS.
The system comprises a TPMS system control center 1, a TPMS system control center 2, a subsystem 3, a physical layer bus transceiver chip 4 and a terminal resistor.
R is a resistor and U7 is a physical layer bus transceiver chip.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following embodiments, and the technical features or the connection relations of the present invention, which are not described in detail, are the prior art adopted.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model relates to a but subsystem is connected to subelement based on TPMS, including TPMS system control center 1 and subsystem 2, subsystem 2 is equipped with a plurality of groups, a plurality of groups subsystem 2 is parallelly connected mode and TPMS system control center 1 electricity and links to each other, TPMS system control center 1 includes physical layer bus transceiver chip 3, resistance R55, resistance R56, resistance R57, resistance R58, transient suppression diode V4 and transient suppression diode V5, resistance R55, resistance R56 and resistance R57 and physical layer bus transceiver chip 3 electricity link to each other, transient suppression diode V4 links to each other with resistance R56 and resistance R57 electricity respectively, transient suppression diode V5 is parallelly connected with transient suppression diode V4, resistance R58 is parallelly connected with transient suppression diode V5.
The physical layer bus transceiver chip 3 adopts a TJA1044T chip.
The resistor R55, the resistor R56 and the resistor R57 are debugging resistors, the transient suppression diode V4 is a bidirectional transient suppression diode, the transient suppression diode V5 is a bidirectional transient suppression diode, and the resistor R58 is a terminal resistor 4.
The scheme adopts a commonly used CAN bus communication mode in an automobile circuit, and realizes a subsystem communication mode and a subsystem expansion function in a TPMS system based on a physical layer bus transceiver TJA1044T chip of NXP company, so as to be suitable for a diversified system connection mode of subsystems of a commercial vehicle TPMS system, U7 is a CAN bus physical layer chip, R55/R56/R57 is a debugging resistor, V4 is a bidirectional TVS tube, V5 is a special double TVS tube for a CAN bus, and R58 is a terminal resistor (generally not welded) of the CAN bus; the CANMODLE jointly forms a communication schematic diagram of a CAN bus physical layer.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (3)
1. The utility model provides a but child equipment connects expanding system based on TPMS which characterized in that: the TPMS control center comprises a physical layer bus transceiver chip, a resistor R55, a resistor R56, a resistor R57, a resistor R58, a transient suppression diode V4 and a transient suppression diode V5, wherein the resistor R55, the resistor R56 and the resistor R57 are electrically connected with the physical layer bus transceiver chip, the transient suppression diode V4 is electrically connected with the resistor R56 and the resistor R57 respectively, the transient suppression diode V5 is connected with the transient suppression diode V4 in parallel, and the resistor R58 is connected with the transient suppression diode V5 in parallel.
2. The TPMS-based sub-device connection expandable system according to claim 1, wherein: the physical layer bus transceiver chip adopts a TJA1044T chip.
3. The TPMS-based sub-device connection expandable system according to claim 1, wherein: the resistor R55, the resistor R56 and the resistor R57 are debugging resistors, the transient suppression diode V4 is a bidirectional transient suppression diode, the transient suppression diode V5 is a bidirectional transient suppression diode, and the resistor R58 is a terminal resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922384709.7U CN210958389U (en) | 2019-12-26 | 2019-12-26 | Sub-equipment connection expandable system based on TPMS (tire pressure monitoring System) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922384709.7U CN210958389U (en) | 2019-12-26 | 2019-12-26 | Sub-equipment connection expandable system based on TPMS (tire pressure monitoring System) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210958389U true CN210958389U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922384709.7U Active CN210958389U (en) | 2019-12-26 | 2019-12-26 | Sub-equipment connection expandable system based on TPMS (tire pressure monitoring System) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210958389U (en) |
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2019
- 2019-12-26 CN CN201922384709.7U patent/CN210958389U/en active Active
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