CN212809186U - Vehicle control unit off-line flash device - Google Patents
Vehicle control unit off-line flash device Download PDFInfo
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- CN212809186U CN212809186U CN202021970983.9U CN202021970983U CN212809186U CN 212809186 U CN212809186 U CN 212809186U CN 202021970983 U CN202021970983 U CN 202021970983U CN 212809186 U CN212809186 U CN 212809186U
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Abstract
The utility model discloses a vehicle control unit off-line flash device, including vehicle control unit, test terminal, connector, power adapter, standard serial ports, terminal resistance, the public head end of connector is pegged graft with vehicle control unit, the female head end of connector respectively with standard serial ports, power adapter telecommunications connection, the public head end of standard serial ports and terminal resistance through grafting mode telecommunications connection, the female head end electricity of terminal resistance connects test terminal; the connector includes the shell body, and the public head end and the female head end fixed connection of shell body and connector are equipped with the recess on the terminal surface of shell body, and the side of shell body is equipped with breaks off with the fingers and thumb and detains, breaks off with the fingers and thumb and detains the opening that is equipped with and vehicle control unit joint. The utility model discloses realize that vehicle control unit accomplishes the off-line work of brushing under the condition that breaks away from the entity car, not only make things convenient for the tester to test, reduce test load moreover, the test stability preferred, signal reflectivity is low, and the off-line efficiency of brushing improves greatly.
Description
Technical Field
The utility model relates to a car vehicle control unit technical field, in particular to vehicle control unit off-line brush writes device.
Background
With the rapid development of the domestic automobile industry, the requirements on low cost and high integration of functions of automobile testing are higher and higher, and the requirements of customers on convenience of updating and maintaining an automobile after-sale system are higher.
In a calibration development stage of a Vehicle Control Unit (VCU), software needs to be frequently debugged on the VCU, and then the software needs to be updated. The existing software updating mode is a mode of connecting to an OBD diagnosis port of a whole vehicle so as to update software. The disadvantage of this kind of mode is exactly that there must be the entity car, and will carry out signal connection with the relevant equipment on the entity car, and the connecting device is more, and contact stability is general, and maintainer operation is inconvenient, wastes manpower, materials and financial resources.
SUMMERY OF THE UTILITY MODEL
The problem that exists to prior art, the utility model provides a vehicle control unit off-line brush writes device uses this off-line brush to write the device after, realizes that vehicle control unit accomplishes the off-line brush and writes work under the condition that breaks away from the entity car, not only makes things convenient for the tester to test, reduces test work volume moreover, test stability preferred, and signal reflectivity is low, and the off-line brush writes efficiency and improves greatly.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the off-line brushing device for the vehicle controller comprises the vehicle controller and a test terminal, and further comprises a connector with a male end and a female end, a power adapter, a standard serial port with the female end, and a terminal resistor with the male end and the female end at two ends, wherein the male end of the connector is in telecommunication connection with the vehicle controller in a plugging mode;
the connector includes the shell body, the shell body with public head end and the female head end fixed connection of connector, be equipped with the recess on the terminal surface of shell body, the side of shell body is equipped with breaks the knot off with the fingers and thumb, break off with the fingers and thumb the knot be equipped with the opening of vehicle control unit joint.
The utility model discloses a solve its technical problem, the further technical scheme who adopts is:
further say, power adapter is equipped with power positive terminal and power negative pole end, the female head end of connector is equipped with power PIN end, key switch PIN end, GND PIN end, first CAN end and second CAN end, the standard serial ports is equipped with CANH end and CANL end, the power PIN end and the key switch PIN end of connector pass through positive polar line telecommunications connection power adapter's power positive terminal, the GND PIN end of connector passes through negative pole line telecommunications connection power adapter's power negative pole end, the first CAN end of connector, second CAN end are respectively through first CAN communication line, second CAN communication line telecommunications connection standard serial ports's CANH end, CANL end.
Furthermore, the power PIN end of the connector is in telecommunication connection with the positive line through a power line, and the key switch PIN end of the connector is in telecommunication connection with the positive line through a key switch line.
Further, the power line and the key switch line are electrically connected with the positive line through two parallel holes.
Furthermore, the terminal resistor is provided with a pair of screw holes with internal threads, the standard serial port is provided with a pair of tightening screws, and the screw holes are matched with the tightening screws for tightening.
Further, the resistance value of the termination resistor is 120 ohms.
Further, the output voltage of the power adapter is direct current 12V; the output current of the power adapter is direct current 3A.
Further, the standard serial port is a standard serial port with a nine-hole female head end.
Furthermore, one end of the terminal resistor is provided with a nine-pin male head, and the other end of the terminal resistor is provided with a nine-hole female head.
The utility model has the advantages that:
the utility model discloses a, the utility model discloses a connector with public head end and female head end, power adapter, the standard serial ports that has female head end, both ends have the terminal resistance of public head end and female head end, the public head end of connector passes through grafting mode telecommunications connection with vehicle control unit, the female head end of connector respectively with standard serial ports, power adapter telecommunications connection, the female head end of standard serial ports and the public head end of terminal resistance pass through grafting mode telecommunications connection, the female head end electrical connection test terminal of terminal resistance, through the simple electricity connection between the functional device, the brush write platform environment of a vehicle control unit has been built, realize that vehicle control unit accomplishes off-line brush write work under the condition that breaks away from the entity car, not only convenient tester tests, and reduced test work volume, off-line brush write efficiency improves greatly;
the connector of the utility model is provided with an outer shell, the outer shell is fixedly connected with a male end and a female end of the connector, a groove is arranged on the end surface of the outer shell, a buckle is arranged on the side surface of the outer shell, a gap for clamping is arranged on the buckle, the male end of the connector is spliced with the vehicle control unit, the gap is firmly clamped with the vehicle control unit, the connection stability of the connector of a key component and the vehicle control unit is realized, the outer shell is provided with the groove and the buckle is more beneficial to splicing and pulling out the connector;
three, the utility model discloses a terminal resistance has seted up a pair of internal screw that has, and standard serial ports is equipped with a pair of screw up the screw, and the screw is mutually supported with the screw of screwing up and is screwed up, can make data interface connect more firm, avoids causing signal reflection interference because of contact failure between terminal resistance and the standard serial ports.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic circuit connection diagram of an offline flash device of a vehicle control unit according to the present invention;
FIG. 2 is a schematic view of the connector assembly of the present invention;
fig. 3 is a schematic structural diagram of a standard serial port and a terminal resistor according to the present invention;
fig. 4 is an electrical control schematic diagram of an offline writing device of a vehicle control unit according to the present invention;
the parts in the drawings are marked as follows:
the device comprises a vehicle control unit 1, a test terminal 2, a connector 3, an outer shell 31, a groove 311, a buckle 312, a notch 313, a first CAN communication line 32, a second CAN communication line 33, a power line 34, a key switch line 35, a power adapter 4, a positive electrode line 41, a negative electrode line 42, a standard serial port 5, a tightening screw 51, a terminal resistor 6, a screw hole 61 and two side-by-side terminals 7.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and the advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure of the present invention. The present invention can also be implemented in other different ways, i.e. different modifications and changes can be made without departing from the scope of the present invention.
Examples
An off-line flash device of a vehicle controller is shown in fig. 1-4 and comprises a vehicle controller 1 and a test terminal 2, and further comprises a connector 3 with a male end and a female end, a power adapter 4, a standard serial port 5 with a female end, and a terminal resistor 6 with a male end and a female end at two ends, wherein the male end of the connector is in telecommunication connection with the vehicle controller in a plug-in mode, the female end of the connector is in telecommunication connection with the standard serial port and the power adapter respectively, the female end of the standard serial port is in telecommunication connection with the male end of the terminal resistor in a plug-in mode, and the female end of the terminal resistor is electrically connected with the test terminal;
the connector includes shell body 31, the shell body with public head end and female head end fixed connection of connector, be equipped with recess 311 on the terminal surface of shell body, the side of shell body is equipped with breaks knot 312 off with the fingers and thumb, break the knot off with the fingers and thumb be equipped with the opening 313 of vehicle control unit joint.
The power adapter is equipped with power positive terminal and power negative pole end, the female head end of connector is equipped with power PIN end, key switch PIN end, GND PIN end, first CAN end and second CAN end, the standard serial ports is equipped with CANH end and CANL end, the power PIN end and the key switch PIN end of connector pass through positive polar line 41 telecommunications connection the power positive terminal of power adapter, the GND PIN end of connector passes through negative pole line 42 telecommunications connection the power negative pole end of power adapter, first CAN end, the second CAN end of connector are respectively through first CAN communication line 32, second CAN communication line 33 telecommunications connection the CANH end, the CANL end of standard serial ports.
The power PIN end of the connector is in telecommunication connection with the positive line through a power line 34, and the key switch PIN end of the connector is in telecommunication connection with the positive line through a key switch line 35.
The power line and the key switch line are electrically connected with the positive line through two parallel holes of terminals 7.
The terminal resistor is provided with a pair of screw holes 61 with internal threads, the standard serial port is provided with a pair of tightening screws 51, and the screw holes are matched with the tightening screws for tightening.
The resistance value of the termination resistor is 120 ohms.
The output voltage of the power adapter is direct current 12V; the output current of the power adapter is direct current 3A.
The standard serial port is a standard serial port with a nine-hole female head end.
One end of the terminal resistor is provided with a nine-pin male head, and the other end of the terminal resistor is provided with a nine-hole female head.
The utility model discloses a working process and theory of operation as follows:
the utility model discloses the public head end of connector passes through grafting mode telecommunications connection with vehicle control unit, and the female head end of connector is respectively with standard serial ports, power adapter telecommunications connection, and the female head end of standard serial ports passes through grafting mode telecommunications connection with the public head end of terminal resistance, and the female head end of terminal resistance electricity connection test terminal;
more specifically, the utility model discloses the power PIN end of connector passes through the power positive terminal of positive polar line telecommunications connection power adapter with key switch PIN end, the GND PIN end of connector passes through the power negative terminal of negative pole line telecommunications connection power adapter, the first CAN end of connector, the second CAN end respectively through first CAN communication line, the CANH end of second CAN communication line telecommunications connection standard serial ports, the CANL end, and, the power PIN end of connector passes through power cord telecommunications connection positive polar line, the key switch PIN end of connector passes through key switch line telecommunications connection positive polar line; the power line and the key switch line are electrically connected with the positive line through two parallel holes; the terminal resistor is matched, screwed and fixed with the standard interface through a screw hole and a screwing screw;
and clamping the opening buckled with the fingers and the fingers to the vehicle control unit, switching on a power supply by the power adapter, and establishing a brushing platform environment of the vehicle control unit by simply electrically connecting the functional devices to start off-line brushing operation on the vehicle control unit.
The above is only the embodiment of the present invention, and not therefore the above is only the embodiment of the present invention, not therefore the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, all the same reason is included in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a vehicle control unit off-line device of writing with a brush, includes vehicle control unit (1) and test terminal (2), its characterized in that: the off-line flash device further comprises a connector (3) with a male end and a female end, a power adapter (4), a standard serial port (5) with a female end, and a terminal resistor (6) with a male end and a female end at two ends, wherein the male end of the connector is in telecommunication connection with the vehicle control unit in a plug-in mode, the female end of the connector is in telecommunication connection with the standard serial port and the power adapter respectively, the female end of the standard serial port is in telecommunication connection with the male end of the terminal resistor in a plug-in mode, and the female end of the terminal resistor is electrically connected with the test terminal;
the connector includes shell body (31), the shell body with public head end and female head end fixed connection of connector, be equipped with recess (311) on the terminal surface of shell body, the side of shell body is equipped with breaks knot (312) off with the fingers and thumb, break the knot off with the fingers and thumb be equipped with opening (313) of vehicle control unit joint.
2. The off-line flash device of the vehicle control unit according to claim 1, wherein: the power adapter is equipped with power positive terminal and power negative pole end, the female head end of connector is equipped with power PIN end, key switch PIN end, GND PIN end, first CAN end and second CAN end, the standard serial ports is equipped with CANH end and CANL end, the power PIN end and the key switch PIN end of connector pass through positive polar line (41) telecommunications connection the power positive terminal of power adapter, the GND PIN end of connector passes through negative pole line (42) telecommunications connection the power negative pole end of power adapter, first CAN end, the second CAN end of connector are respectively through first CAN communication line (32), second CAN communication line (33) telecommunications connection the CANH end, the CANL end of standard serial ports.
3. The off-line flash device of the vehicle control unit according to claim 2, wherein: the power PIN end of the connector is in telecommunication connection with the positive line through a power line (34), and the key switch PIN end of the connector is in telecommunication connection with the positive line through a key switch line (35).
4. The off-line flash device of the vehicle control unit according to claim 3, wherein: the power line and the key switch line are electrically connected with the positive line through two side-by-side terminals (7).
5. The off-line flash device of the vehicle control unit according to claim 1, wherein: the terminal resistor is provided with a pair of screw holes (61) with internal threads, the standard serial port is provided with a pair of tightening screws (51), and the screw holes are matched with the tightening screws for tightening.
6. The off-line flash device of the vehicle control unit according to claim 5, wherein: the resistance value of the termination resistor is 120 ohms.
7. The off-line flash device of the vehicle control unit according to claim 1, wherein: the output voltage of the power adapter is direct current 12V; the output current of the power adapter is direct current 3A.
8. The off-line flash device of the vehicle control unit according to claim 1, wherein: the standard serial port is a standard serial port with a nine-hole female head end.
9. The off-line flash device of the vehicle control unit according to claim 1, wherein: one end of the terminal resistor is provided with a nine-pin male head, and the other end of the terminal resistor is provided with a nine-hole female head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021970983.9U CN212809186U (en) | 2020-09-10 | 2020-09-10 | Vehicle control unit off-line flash device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021970983.9U CN212809186U (en) | 2020-09-10 | 2020-09-10 | Vehicle control unit off-line flash device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212809186U true CN212809186U (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021970983.9U Active CN212809186U (en) | 2020-09-10 | 2020-09-10 | Vehicle control unit off-line flash device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212809186U (en) |
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- 2020-09-10 CN CN202021970983.9U patent/CN212809186U/en active Active
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