CN105216717A - The CAN communication circuit of vehicle remote controller - Google Patents
The CAN communication circuit of vehicle remote controller Download PDFInfo
- Publication number
- CN105216717A CN105216717A CN201510693003.2A CN201510693003A CN105216717A CN 105216717 A CN105216717 A CN 105216717A CN 201510693003 A CN201510693003 A CN 201510693003A CN 105216717 A CN105216717 A CN 105216717A
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- resistance
- speed
- electric capacity
- transceiving chip
- diode
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
Abstract
The invention discloses a kind of CAN communication circuit of vehicle remote controller, comprise high-speed CAN transceiving chip U2, some electric capacity, some resistance, diode D47 and diode D48.The CAN communication circuit structure of above-mentioned vehicle remote controller is very simple, only needs the CAN that can be realized between automotive interior circuit with described remote controllers by a high-speed CAN transceiving chip, electric capacity, resistance and diode to be connected.The structure of this circuit is simple, with low cost.
Description
Technical field
The present invention relates to a kind of CAN communication circuit of vehicle remote controller.
Background technology
Vehicle remote controller is connected with the various control circuits of automotive interior, for the various status informations (such as closing of the door, parking brake state, range state etc.) of automobile to be sent to the mobile terminal (such as mobile phone, panel computer, removable computer etc.) of car owner by wireless communication networks, be convenient to that user is long-range to be monitored automobile.In existing technology, the connection structure between the various control circuit of described automotive interior and remote controllers is comparatively complicated, cause cable more, adds manufacturing cost.
Summary of the invention
For above-mentioned the deficiencies in the prior art, technical matters to be solved by this invention is: provide that a kind of structure is simple, cost is lower and the CAN communication circuit of the vehicle remote controller that stability is higher.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the CAN communication circuit providing a kind of vehicle remote controller, comprises high-speed CAN transceiving chip U2, some electric capacity, some resistance, diode D47 and diode D48; The defeated end of reception data of described high-speed CAN transceiving chip is connected with one end of a resistance R82, and the described other end of resistance R82 is connected with the Master control chip of remote controllers; The power voltage terminal of described high-speed CAN transceiving chip U2 is connected with one end of a resistance R15, another termination 5V power supply of described resistance R15, and the node between the power voltage terminal of described high-speed CAN transceiving chip U2 and described resistance R15 is by electric capacity C1 ground connection; The direct ground connection of ground terminal of described high-speed CAN transceiving chip U2; The transmission data terminal of described high-speed CAN transceiving chip U2 is connected with one end of a resistance R5, and the other end of described resistance R5 is connected with the Master control chip of described remote controllers; The I/O level adapted end of described high-speed CAN transceiving chip U2 is connected with one end of a resistance R133, and the other end of described resistance R133 is connected with described Master control chip power supply; The low level CAN end of described high-speed CAN transceiving chip U2 is connected with one end of a resistance R113, and the other end of described resistance R113 is connected with the shift control circuit in automobile by an interface; The low level CAN end of described high-speed CAN transceiving chip U2 is also connected with one end of a resistance R85 with the node between described resistance R113, the other end of described resistance R85 is connected with one end of a resistance R118, and the other end of described resistance R118 is connected with the side door control circuit in automobile by described interface; The low level CAN end of described high-speed CAN transceiving chip U2 is also connected with the negative electrode of described diode D47 with the node between described resistance R85, the plus earth of described diode D47; Node also ground connection between described resistance R85 and described resistance R113; The high level CAN end of described high-speed CAN transceiving chip U2 is connected with the negative electrode of described diode D46, the plus earth of described diode D46; Node ground connection between the high level CAN end of described high-speed CAN transceiving chip U2 and the negative electrode of described diode D46; The negative electrode of described diode D46 is also connected with the node between resistance R118 with described resistance R85; The standby mode of described high-speed CAN transceiving chip U2 controls pin and is connected with described Master control chip.
As optimization, also comprise an electric capacity C16, described electric capacity C16 and electric capacity C1 is connected in parallel.
As optimization, also comprise an electric capacity C14, one end of described electric capacity C14 is connected with the node between resistance R113 with described resistance R85, the other end ground connection of described electric capacity C14.
As optimization, also comprise an electric capacity C12, one end of described electric capacity C12 is connected with the negative electrode of described diode D46, the other end ground connection of described electric capacity C12.
The CAN communication circuit of vehicle remote controller of the present invention, the control signal of described Master control chip can be received by receiving data terminal RXD, the high level CAN end CANH of described CAN and low level CAN end can be made to obtain the gear information of automotive interior by this circuit, and the information got is sent to described Master control chip by sending data terminal TXD, so that Master control chip processes, and received the standby mode signal of Master control chip by STB pin.The CAN communication circuit structure of the vehicle remote controller of the present embodiment is very simple, only needs the CAN that can be realized between automotive interior circuit with described remote controllers by a high-speed CAN transceiving chip, electric capacity, resistance and diode to be connected.The structure of this circuit is simple, with low cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic circuit diagram of the CAN communication circuit of vehicle remote controller of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 1 is the schematic circuit diagram of the CAN communication circuit of vehicle remote controller of the present invention.The CAN communication circuit of the vehicle remote controller of the present embodiment comprises high-speed CAN transceiving chip U2, some electric capacity, some resistance, diode D47 and diode D48.
Described high-speed CAN transceiving chip U2 employing model is the micro controller system of TJA1042T model.The defeated end RXD of reception data of described high-speed CAN transceiving chip U2 is connected with one end of a resistance R82, and the described other end of resistance R82 is connected with the PTE7/TXD2/RXCAN pin of the Master control chip of remote controllers.The power voltage terminal VCC of described high-speed CAN transceiving chip U2 is connected with one end of a resistance R15, another termination 5V power supply of described resistance R15, the power voltage terminal VCC of described high-speed CAN transceiving chip U2 is connected with one end of an electric capacity C1 with the node between described resistance R15, the other end ground connection of described electric capacity C1, the power voltage terminal VCC of described high-speed CAN transceiving chip U2 is also connected with one end of an electric capacity C106 with the node between described resistance R15, the other end ground connection of described electric capacity C106.The direct ground connection of ground terminal GND of described high-speed CAN transceiving chip U2.
The transmission data terminal TXD of described high-speed CAN transceiving chip U2 is connected with one end of a resistance R5, and the other end of described resistance R5 is connected with the PTE6/TXD2/TXCAN pin of the Master control chip of described remote controllers.
The I/O level adapted end VIO of described high-speed CAN transceiving chip U2 is connected with one end of a resistance R133, the other end of described resistance R133 and described Master control chip power supply.
The low level CAN end CANL of described high-speed CAN transceiving chip U2 is connected with one end of a resistance R113, and the other end of described resistance R113 is connected with the shift control circuit in automobile by an interface, in order to obtain the gear information of automobile.The low level CAN end CANL of described high-speed CAN transceiving chip U2 is also connected with one end of a resistance R85 with the node between described resistance R113, the other end of described resistance R85 is connected with one end of a resistance R118, the other end of described resistance R118 is connected with the side door control circuit in automobile by described interface, in order to obtain the opening/closing door of vehicle information of automobile.Described interface also connects other control circuits of automotive interior, such as parking brake control circuit, left and right visor control circuit etc., and the various control circuits of automotive interior are received in CAN circuit by this interface, and CAN circuit is sent to Master control chip again.The low level CAN end CANL of described high-speed CAN transceiving chip U2 is also connected with the negative electrode of described diode D47 with the node between described resistance R85, the plus earth of described diode D47.Node between described resistance R85 with described resistance R113 is also connected with one end of an electric capacity C14, the other end ground connection of described electric capacity C14.
The high level CAN end CANH of described high-speed CAN transceiving chip U2 is connected with the negative electrode of described diode D46, the plus earth of described diode D46.Node between the high level CAN end CANH of described high-speed CAN transceiving chip U2 and the negative electrode of described diode D46 is connected with one end of an electric capacity C12, the other end ground connection of described electric capacity C12.Node between described electric capacity C12 and the negative electrode of described diode D46 is connected with the node between resistance R118 with described resistance R85.
The standby mode of described high-speed CAN transceiving chip U2 controls pin STB and is connected with the PTB4/PIB4/ADP12 pin of described Master control chip.
The CAN communication circuit of vehicle remote controller of the present invention, the control signal of described Master control chip can be received by receiving data terminal RXD, the high level CAN end CANH of described CAN and low level CAN end can be made to obtain the gear information of automotive interior by this circuit, and the information got is sent to described Master control chip by sending data terminal TXD, so that Master control chip processes, and received the standby mode signal of Master control chip by STB pin.The CAN communication circuit structure of the vehicle remote controller of the present embodiment is very simple, only needs the CAN that can be realized between automotive interior circuit with described remote controllers by a high-speed CAN transceiving chip, electric capacity, resistance and diode to be connected.The structure of this circuit is simple, with low cost.
These are only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. a CAN communication circuit for vehicle remote controller, is characterized in that: comprise high-speed CAN transceiving chip U2, some electric capacity, some resistance, diode D47 and diode D48;
The defeated end of reception data of described high-speed CAN transceiving chip is connected with one end of a resistance R82, and the described other end of resistance R82 is connected with the Master control chip of remote controllers; The power voltage terminal of described high-speed CAN transceiving chip U2 is connected with one end of a resistance R15, another termination 5V power supply of described resistance R15, and the node between the power voltage terminal of described high-speed CAN transceiving chip U2 and described resistance R15 is by electric capacity C1 ground connection; The direct ground connection of ground terminal of described high-speed CAN transceiving chip U2;
The transmission data terminal of described high-speed CAN transceiving chip U2 is connected with one end of a resistance R5, and the other end of described resistance R5 is connected with the Master control chip of described remote controllers;
The I/O level adapted end of described high-speed CAN transceiving chip U2 is connected with one end of a resistance R133, and the other end of described resistance R133 is connected with described Master control chip power supply;
The low level CAN end of described high-speed CAN transceiving chip U2 is connected with one end of a resistance R113, and the other end of described resistance R113 is connected with the shift control circuit in automobile by an interface; The low level CAN end of described high-speed CAN transceiving chip U2 is also connected with one end of a resistance R85 with the node between described resistance R113, the other end of described resistance R85 is connected with one end of a resistance R118, and the other end of described resistance R118 is connected with the side door control circuit in automobile by described interface; The low level CAN end of described high-speed CAN transceiving chip U2 is also connected with the negative electrode of described diode D47 with the node between described resistance R85, the plus earth of described diode D47; Node also ground connection between described resistance R85 and described resistance R113;
The high level CAN end of described high-speed CAN transceiving chip U2 is connected with the negative electrode of described diode D46, the plus earth of described diode D46; Node ground connection between the high level CAN end of described high-speed CAN transceiving chip U2 and the negative electrode of described diode D46; The negative electrode of described diode D46 is also connected with the node between resistance R118 with described resistance R85;
The standby mode of described high-speed CAN transceiving chip U2 controls pin and is connected with described Master control chip.
2. the CAN communication circuit of vehicle remote controller as claimed in claim 1, it is characterized in that: also comprise an electric capacity C16, described electric capacity C16 and electric capacity C1 is connected in parallel.
3. the CAN communication circuit of vehicle remote controller as claimed in claim 2, it is characterized in that: also comprise an electric capacity C14, one end of described electric capacity C14 is connected with the node between resistance R113 with described resistance R85, the other end ground connection of described electric capacity C14.
4. the CAN communication circuit of vehicle remote controller as claimed in claim 3, it is characterized in that: also comprise an electric capacity C12, one end of described electric capacity C12 is connected with the negative electrode of described diode D46, the other end ground connection of described electric capacity C12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510693003.2A CN105216717A (en) | 2015-10-21 | 2015-10-21 | The CAN communication circuit of vehicle remote controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510693003.2A CN105216717A (en) | 2015-10-21 | 2015-10-21 | The CAN communication circuit of vehicle remote controller |
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| Publication Number | Publication Date |
|---|---|
| CN105216717A true CN105216717A (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510693003.2A Pending CN105216717A (en) | 2015-10-21 | 2015-10-21 | The CAN communication circuit of vehicle remote controller |
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| CN (1) | CN105216717A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020135261A1 (en) * | 2018-12-29 | 2020-07-02 | 南京懂玫驱动技术有限公司 | Can bus communication circuit for use in electric bicycle |
| WO2022040996A1 (en) * | 2020-08-26 | 2022-03-03 | 深圳欣锐科技股份有限公司 | In-board communication circuit and in-board communication apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1189393A2 (en) * | 2000-09-15 | 2002-03-20 | Robert Bosch Gmbh | Accessing and/or controlling CAN node arrangements, including vehicle control units, during vehicle operation |
| CN202966193U (en) * | 2012-12-14 | 2013-06-05 | 江苏中科天安智联科技有限公司 | Circuit used for vehicle seeking help |
| CN203951227U (en) * | 2014-06-09 | 2014-11-19 | 浙江万向亿能动力电池有限公司 | A kind of battery management control device with the moving equalization function of main quilt |
| CN104329141A (en) * | 2014-10-29 | 2015-02-04 | 凯龙高科技股份有限公司 | DPF (diesel particulate filter) system electric control device |
| CN205091568U (en) * | 2015-10-21 | 2016-03-16 | 重庆金宏汽车电子有限公司 | CAN circuit of automobile remote control ware |
-
2015
- 2015-10-21 CN CN201510693003.2A patent/CN105216717A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1189393A2 (en) * | 2000-09-15 | 2002-03-20 | Robert Bosch Gmbh | Accessing and/or controlling CAN node arrangements, including vehicle control units, during vehicle operation |
| CN202966193U (en) * | 2012-12-14 | 2013-06-05 | 江苏中科天安智联科技有限公司 | Circuit used for vehicle seeking help |
| CN203951227U (en) * | 2014-06-09 | 2014-11-19 | 浙江万向亿能动力电池有限公司 | A kind of battery management control device with the moving equalization function of main quilt |
| CN104329141A (en) * | 2014-10-29 | 2015-02-04 | 凯龙高科技股份有限公司 | DPF (diesel particulate filter) system electric control device |
| CN205091568U (en) * | 2015-10-21 | 2016-03-16 | 重庆金宏汽车电子有限公司 | CAN circuit of automobile remote control ware |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020135261A1 (en) * | 2018-12-29 | 2020-07-02 | 南京懂玫驱动技术有限公司 | Can bus communication circuit for use in electric bicycle |
| WO2022040996A1 (en) * | 2020-08-26 | 2022-03-03 | 深圳欣锐科技股份有限公司 | In-board communication circuit and in-board communication apparatus |
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Application publication date: 20160106 |