CN205301896U - A low -cost USB -CAN converter for new forms of energy vehicle control unit - Google Patents
A low -cost USB -CAN converter for new forms of energy vehicle control unit Download PDFInfo
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- CN205301896U CN205301896U CN201520961995.8U CN201520961995U CN205301896U CN 205301896 U CN205301896 U CN 205301896U CN 201520961995 U CN201520961995 U CN 201520961995U CN 205301896 U CN205301896 U CN 205301896U
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Abstract
The utility model discloses a low -cost USB -CAN converter for new forms of energy vehicle control unit, including connector J1, inductance U1, CAN bus transceiver U2, microcontroller U3, chip U4 and connector J2, still include diode D1 -D3, electric capacity C1 -C16, resistance R1 -R14 and crystal oscillator Y1, when the computer needs to carry out the communication with the new forms of energy vehicle control unit that supports the CAN bus, be connected to the CAN bus to connector J1 on, insert the USB port of computer to connector J2, through the USB -CAN converter, during data in the CAN bus can transmit the computer through the USB port of computer to, data in the computer realized the communication of new forms of energy vehicle control unit and computer on also can sending the CAN bus through the USB port.
Description
Technical field
This utility model relates to a kind of low cost USB-CAN transducer for new energy vehicle controller, it is adaptable to the communication of new energy vehicle controller and computer and data transmission.
Background technology
New energy vehicle controller, it it is a kind of controller for controlling mixed power electric car or pure electric automobile, during the exploitation of new energy vehicle controller and before automobile dispatches from the factory, developer needs to use the work such as new energy vehicle controller is carried out data scaling by computer, parameter is arranged, and during new energy vehicle controller is debugged, the real-time running data produced is also required to upload in computer, analyzes for developer. New energy vehicle controller and computer generally use the communication modes of CAN, owing to computer does not have CAN interface, so needing the data of CAN to be converted to the usb data that computer may identify which, it is then transferred to computer, current USB-CAN transducer has the disadvantage that expensive, USB-CAN transducer on market is it is generally required to hundreds of unit to thousands of units not etc., adds the development cost of product; USB-CAN transducer needs to install and drives, and some producers, due to the restriction of technical merit, the problems such as the driving of the USB-CAN transducer of research and development is often unstable, has serious loss of data, computer crash, have had a strong impact on the use of user; Volume is big, carries inconvenience.
Utility model content
The technical problems to be solved in the utility model is to design the USB-CAN transducer of a kind of low cost. First, it is ensured that system run all right, it is impossible to owing to the problem of transducer causes the phenomenon of loss of data and computer crash; Secondly under the premise of stability, reduce the cost of transducer as far as possible, be beneficial to the universal of product.
For solving above-mentioned technical problem, technical solution adopted in the utility model is:
A kind of low cost USB-CAN transducer for new energy vehicle controller, including connector J1, inductance U1, CAN transceiver U2, microcontroller U3, chip U4 and connector J2; Also include diode D1-D3, electric capacity C1-C16, resistance R1-R14 and crystal oscillator Y1;7 feet of connector J1 connect 1 foot of inductance U1, and 2 feet of connector J1 connect 2 feet of inductance U1, and resistance R1 is connected between 7 feet of connector J1 and 2 feet; One end of electric capacity C1 is connected with 7 feet of connector J1, other end ground connection, and one end of electric capacity C2 is connected with 2 feet of connector J1, other end ground connection; Resistance R2 is connected between 1 foot of inductance U1 and 4 feet, and resistance R3 is connected between 2 feet of inductance U1 and 3 feet; 1 foot of diode D1 connects 4 feet of inductance U1, the 3 foot ground connection of diode D1, and 2 feet of diode D1 are unsettled; 1 foot of diode D2 connects 3 feet of inductance U1, the 3 foot ground connection of diode D2, and 2 feet of diode D2 are unsettled; 4 feet of inductance U1 connect 7 feet of CAN transceiver U2, and 3 feet of inductance U1 connect 6 feet of CAN transceiver U2; The one termination 5V of resistance R4,5 feet of another termination CAN transceiver U2,5 feet of a termination CAN transceiver U2 of resistance R5, other end ground connection, electric capacity C3 is connected between 5 feet and 8 feet of CAN transceiver U2, and electric capacity C4 is connected between 2 feet and 3 feet of CAN transceiver U2; 1 foot of CAN transceiver U2 connects 62 feet of microcontroller U3 through resistance R6, the 2 foot ground connection of CAN transceiver U2,3 feet of CAN transceiver U2 meet 5V, and 4 feet of CAN transceiver U2 connect 61 feet of microcontroller U3 by resistance R7, the 8 foot ground connection of CAN transceiver U2.
Resistance R8 mono-terminates 3.3V, and the other end connects 7 feet of microcontroller U3, and electric capacity C5 one end connects 7 feet of microcontroller U3, other end ground connection; Y1 is connected between 5 feet of microcontroller U3 and 6 feet, and electric capacity C6 mono-terminates 5 feet of microcontroller U3, other end ground connection, and electric capacity C7 mono-terminates 6 feet of microcontroller U3, other end ground connection; Electric capacity C9 is connected between 12 feet of microcontroller U3 and 13 feet, the 12 foot ground connection of microcontroller U3, and 13 feet meet 3.3V; Electric capacity C8 is connected between 63 feet of microcontroller U3 and 64 feet, the 63 foot ground connection of microcontroller U3, and 64 feet meet 3.3V; 60 feet of 1 foot another termination microcontroller U3 of the one termination connector J1 of resistance R9,60 feet of a termination microcontroller U3 of resistance R10, other end ground connection; Electric capacity C10 is connected between 18 feet of microcontroller U3 and 19 feet, the 18 foot ground connection of microcontroller U3, and 19 feet meet 3.3V; 28 feet of microcontroller U3 pass through resistance R11 ground connection; Electric capacity C11 is connected between 31 feet of microcontroller U3 and 32 feet, the 31 foot ground connection of microcontroller U3, and 32 feet meet 3.3V; 42 feet of microcontroller U3 pass through resistance R12 ground connection; Electric capacity C12 is connected between 47 feet of microcontroller U3 and 48 feet, and the 47 foot ground connection of microcontroller U3,48 feet meet 3.3V.
1 foot of connector J2 connects 3 feet of chip U4, and 2 feet of connector J2 connect 44 feet of microcontroller U3 by resistance R13, and 3 feet of connector J2 connect 45 feet of microcontroller U3,4 feet of connector J2 and 5 foot ground connection by resistance R14; The negative pole of D3 connects 3 feet of chip U4, and positive pole connects 1 foot of chip U4; Electric capacity C16 is connected between 1 foot of chip U4 and 3 feet, and the positive pole of electric capacity C15 connects 3 feet of chip U4, and negative pole connects 1 foot of chip U4; The positive pole of electric capacity C14 connects 2 feet of chip U4, and negative pole connects 1 foot of chip U4, and electric capacity C13 is connected between 1 foot of chip U4 and 2 feet; The 1 foot ground connection of chip U4.
Adopt and have the beneficial effects that produced by technique scheme:
This circuit simplifies circuit on the basis of maintenance perfect in shape and function, reduces cost, its low price, only ten parts of the USB-CAN transducer price of other producers;Use the driver that carries of computer system, client need not separately installed driving again, facilitate the use of client; Compact, it is simple to carry.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
As it is shown in figure 1, this utility model is a kind of low cost USB-CAN transducer for new energy vehicle controller, including connector J1, inductance U1, CAN transceiver U2, microcontroller U3, chip U4 and connector J2; Also include diode D1-D3, electric capacity C1-C16, resistance R1-R14 and crystal oscillator Y1; 7 feet of connector J1 connect 1 foot of inductance U1, and 2 feet of connector J1 connect 2 feet of inductance U1, and resistance R1 is connected between 7 feet of connector J1 and 2 feet; One end of electric capacity C1 is connected with 7 feet of connector J1, other end ground connection, and one end of electric capacity C2 is connected with 2 feet of connector J1, other end ground connection; Resistance R2 is connected between 1 foot of inductance U1 and 4 feet, and resistance R3 is connected between 2 feet of inductance U1 and 3 feet; 1 foot of diode D1 connects 4 feet of inductance U1, the 3 foot ground connection of diode D1, and 2 feet of diode D1 are unsettled; 1 foot of diode D2 connects 3 feet of inductance U1, the 3 foot ground connection of diode D2, and 2 feet of diode D2 are unsettled; 4 feet of inductance U1 connect 7 feet of CAN transceiver U2, and 3 feet of inductance U1 connect 6 feet of CAN transceiver U2; The one termination 5V of resistance R4,5 feet of another termination CAN transceiver U2,5 feet of a termination CAN transceiver U2 of resistance R5, other end ground connection, electric capacity C3 is connected between 5 feet and 8 feet of CAN transceiver U2, and electric capacity C4 is connected between 2 feet and 3 feet of CAN transceiver U2; 1 foot of CAN transceiver U2 connects 62 feet of microcontroller U3 through resistance R6, the 2 foot ground connection of CAN transceiver U2,3 feet of CAN transceiver U2 meet 5V, and 4 feet of CAN transceiver U2 connect 61 feet of microcontroller U3 by resistance R7, the 8 foot ground connection of CAN transceiver U2.
Resistance R8 mono-terminates 3.3V, and the other end connects 7 feet of microcontroller U3, and electric capacity C5 one end connects 7 feet of microcontroller U3, other end ground connection; Y1 is connected between 5 feet of microcontroller U3 and 6 feet, and electric capacity C6 mono-terminates 5 feet of microcontroller U3, other end ground connection, and electric capacity C7 mono-terminates 6 feet of microcontroller U3, other end ground connection; Electric capacity C9 is connected between 12 feet of microcontroller U3 and 13 feet, the 12 foot ground connection of microcontroller U3, and 13 feet meet 3.3V; Electric capacity C8 is connected between 63 feet of microcontroller U3 and 64 feet, the 63 foot ground connection of microcontroller U3, and 64 feet meet 3.3V; 60 feet of 1 foot another termination microcontroller U3 of the one termination connector J1 of resistance R9,60 feet of a termination microcontroller U3 of resistance R10, other end ground connection; Electric capacity C10 is connected between 18 feet of microcontroller U3 and 19 feet, the 18 foot ground connection of microcontroller U3, and 19 feet meet 3.3V; 28 feet of microcontroller U3 pass through resistance R11 ground connection; Electric capacity C11 is connected between 31 feet of microcontroller U3 and 32 feet, the 31 foot ground connection of microcontroller U3, and 32 feet meet 3.3V; 42 feet of microcontroller U3 pass through resistance R12 ground connection; Electric capacity C12 is connected between 47 feet of microcontroller U3 and 48 feet, and the 47 foot ground connection of microcontroller U3,48 feet meet 3.3V.
1 foot of connector J2 connects 3 feet of chip U4, and 2 feet of connector J2 connect 44 feet of microcontroller U3 by resistance R13, and 3 feet of connector J2 connect 45 feet of microcontroller U3,4 feet of connector J2 and 5 foot ground connection by resistance R14;The negative pole of D3 connects 3 feet of chip U4, and positive pole connects 1 foot of chip U4; Electric capacity C16 is connected between 1 foot of chip U4 and 3 feet, and the positive pole of electric capacity C15 connects 3 feet of chip U4, and negative pole connects 1 foot of chip U4; The positive pole of electric capacity C14 connects 2 feet of chip U4, and negative pole connects 1 foot of chip U4, and electric capacity C13 is connected between 1 foot of chip U4 and 2 feet; The 1 foot ground connection of chip U4.
Use principle of the present utility model:
When computer needs to carry out communication with the new energy vehicle controller supporting CAN, connector J1 is connected in CAN, connector J2 is inserted into the USB port of computer, now the 5V voltage of computer is by the 1 foot input USB-CAN transducer of J2,5V voltage is converted to 3.3V, USB-CAN transducer further through chip U4 and obtains the running voltage of 5V and 3.3V.
The CAN signal of new energy vehicle controller uploads to the process of computer: 6 feet that CAN signal is input in USB-CAN module CAN transceiver U2 by 2 feet of connector J1 and 7 feet and 7 feet, data are changed by CAN transceiver U2, then from the data after 4 foot output conversions, the data 61 feet by resistance R7 to microcontroller U3, microcontroller U3 is converted to the data of the USB format that computer may identify which CAN data, the data of USB format export from 44 feet and 45 feet of microcontroller U3, through resistance R13 and R14 to connector J2, connector J2 makes a gift to someone data in computer, connecting computer receives the data of CAN.
Computer sends data to the process of new energy vehicle controller: first computer sends data to the USB port that connector J2 is corresponding, connector J2 receives data by the USB port of computer, data are from the connector J2 44 feet through resistance R13 and R14 to microcontroller U3 and 45 feet, microcontroller U3 is converted to CAN data the data of USB format, CAN data after conversion from 61 feet of microcontroller U3 through the resistance R6 1 foot to CAN transceiver U2, data are sent by 6 feet and 7 human hair combing wastes of CAN transceiver U2, the data sent arrive 2 feet and 7 feet of connector J1 by inductance U1, then data arrive in CAN by 2 feet and 7 feet of connector J1, the new energy vehicle controller being connected in CAN receives data.
Claims (1)
1., for a low cost USB-CAN transducer for new energy vehicle controller, it is characterized in that: include connector J1, inductance U1, CAN transceiver U2, microcontroller U3, chip U4 and connector J2; Also include diode D1-D3, electric capacity C1-C16, resistance R1-R14 and crystal oscillator Y1; 7 feet of connector J1 connect 1 foot of inductance U1, and 2 feet of connector J1 connect 2 feet of inductance U1, and resistance R1 is connected between 7 feet of connector J1 and 2 feet; One end of electric capacity C1 is connected with 7 feet of connector J1, other end ground connection, and one end of electric capacity C2 is connected with 2 feet of connector J1, other end ground connection; Resistance R2 is connected between 1 foot of inductance U1 and 4 feet, and resistance R3 is connected between 2 feet of inductance U1 and 3 feet; 1 foot of diode D1 connects 4 feet of inductance U1, the 3 foot ground connection of diode D1, and 2 feet of diode D1 are unsettled; 1 foot of diode D2 connects 3 feet of inductance U1, the 3 foot ground connection of diode D2, and 2 feet of diode D2 are unsettled; 4 feet of inductance U1 connect 7 feet of CAN transceiver U2, and 3 feet of inductance U1 connect 6 feet of CAN transceiver U2; The one termination 5V of resistance R4,5 feet of another termination CAN transceiver U2,5 feet of a termination CAN transceiver U2 of resistance R5, other end ground connection, electric capacity C3 is connected between 5 feet and 8 feet of CAN transceiver U2, and electric capacity C4 is connected between 2 feet and 3 feet of CAN transceiver U2;1 foot of CAN transceiver U2 connects 62 feet of microcontroller U3 through resistance R6, the 2 foot ground connection of CAN transceiver U2,3 feet of CAN transceiver U2 meet 5V, and 4 feet of CAN transceiver U2 connect 61 feet of microcontroller U3 by resistance R7, the 8 foot ground connection of CAN transceiver U2; Resistance R8 mono-terminates 3.3V, and the other end connects 7 feet of microcontroller U3, and electric capacity C5 one end connects 7 feet of microcontroller U3, other end ground connection; Y1 is connected between 5 feet of microcontroller U3 and 6 feet, and electric capacity C6 mono-terminates 5 feet of microcontroller U3, other end ground connection, and electric capacity C7 mono-terminates 6 feet of microcontroller U3, other end ground connection; Electric capacity C9 is connected between 12 feet of microcontroller U3 and 13 feet, the 12 foot ground connection of microcontroller U3, and 13 feet meet 3.3V; Electric capacity C8 is connected between 63 feet of microcontroller U3 and 64 feet, the 63 foot ground connection of microcontroller U3, and 64 feet meet 3.3V; 60 feet of 1 foot another termination microcontroller U3 of the one termination connector J1 of resistance R9,60 feet of a termination microcontroller U3 of resistance R10, other end ground connection; Electric capacity C10 is connected between 18 feet of microcontroller U3 and 19 feet, the 18 foot ground connection of microcontroller U3, and 19 feet meet 3.3V; 28 feet of microcontroller U3 pass through resistance R11 ground connection; Electric capacity C11 is connected between 31 feet of microcontroller U3 and 32 feet, the 31 foot ground connection of microcontroller U3, and 32 feet meet 3.3V; 42 feet of microcontroller U3 pass through resistance R12 ground connection; Electric capacity C12 is connected between 47 feet of microcontroller U3 and 48 feet, the 47 foot ground connection of microcontroller U3, and 48 feet meet 3.3V; 1 foot of connector J2 connects 3 feet of chip U4, and 2 feet of connector J2 connect 44 feet of microcontroller U3 by resistance R13, and 3 feet of connector J2 connect 45 feet of microcontroller U3,4 feet of connector J2 and 5 foot ground connection by resistance R14; The negative pole of D3 connects 3 feet of chip U4, and positive pole connects 1 foot of chip U4; Electric capacity C16 is connected between 1 foot of chip U4 and 3 feet, and the positive pole of electric capacity C15 connects 3 feet of chip U4, and negative pole connects 1 foot of chip U4; The positive pole of electric capacity C14 connects 2 feet of chip U4, and negative pole connects 1 foot of chip U4, and electric capacity C13 is connected between 1 foot of chip U4 and 2 feet; The 1 foot ground connection of chip U4; By USB-CAN transducer, the data in CAN can be transferred in computer by the USB port of computer, and the data in computer can also be sent in CAN by USB port, it is achieved the communication of new energy vehicle controller and computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520961995.8U CN205301896U (en) | 2015-11-26 | 2015-11-26 | A low -cost USB -CAN converter for new forms of energy vehicle control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520961995.8U CN205301896U (en) | 2015-11-26 | 2015-11-26 | A low -cost USB -CAN converter for new forms of energy vehicle control unit |
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| Publication Number | Publication Date |
|---|---|
| CN205301896U true CN205301896U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520961995.8U Expired - Fee Related CN205301896U (en) | 2015-11-26 | 2015-11-26 | A low -cost USB -CAN converter for new forms of energy vehicle control unit |
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| Country | Link |
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| CN (1) | CN205301896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802587A (en) * | 2015-11-26 | 2017-06-06 | 河北优控新能源科技有限公司 | A kind of inexpensive USB-CAN converters for new energy vehicle controller |
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2015
- 2015-11-26 CN CN201520961995.8U patent/CN205301896U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802587A (en) * | 2015-11-26 | 2017-06-06 | 河北优控新能源科技有限公司 | A kind of inexpensive USB-CAN converters for new energy vehicle controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20201126 |