CN214954607U - Remote signal transmitting box for vehicle detection - Google Patents
Remote signal transmitting box for vehicle detection Download PDFInfo
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- CN214954607U CN214954607U CN202121084803.1U CN202121084803U CN214954607U CN 214954607 U CN214954607 U CN 214954607U CN 202121084803 U CN202121084803 U CN 202121084803U CN 214954607 U CN214954607 U CN 214954607U
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Abstract
The utility model discloses a vehicle detects uses remote signal transmission box, include: the touch screen is fixedly arranged on the shell, and a user inputs an instruction through the touch screen; the control circuit board comprises an encoder and a microcontroller, the encoder is electrically connected with the touch screen, and the microcontroller comprises a main control chip; the device comprises an isolation power supply circuit module, an input power supply protection circuit module, a CAN bus interface circuit module and an LIN bus interface circuit module, wherein an encoder receives an instruction input by a user and sends the instruction to a microcontroller, the microcontroller sends out a control signal based on the instruction, the control signal is used for controlling the operation of a door window or a skylight of a vehicle, and the CAN bus interface circuit module or the LIN bus interface circuit module converts the control signal sent out by the microcontroller into an optical signal.
Description
Technical Field
The utility model relates to a vehicle inspection auxiliary assembly technical field specifically, relates to a vehicle inspection uses remote signal transmission box.
Background
In the process of automobile EMC test, the whole automobile source external Radiation Immunity (RI) test is an important test item of automobile EMC, and an operator is only allowed to operate remotely during the whole automobile RI test. However, in the prior art, the control of the door window and the skylight is usually realized by a vehicle Body Controller (BCM) sending CAN/LIN signals, and the control needs to be completed by manual operation in a vehicle. On the other hand, the communication protocols used by different vehicle types are different, and in the field, only the CAN communication protocol or the LIN communication protocol of the vehicle-mounted controller for a single vehicle type CAN not meet the requirement of a laboratory on testing various vehicle types.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one aspect of above-mentioned problem, the utility model provides a vehicle detects uses remote signalling box, include: the vehicle-mounted power supply comprises a shell, a power supply interface and a signal interface, wherein the shell is provided with the power supply interface and the signal interface, the power supply interface is used for being externally connected with a power supply, and the signal interface is used for being in communication connection with a vehicle; the touch screen is fixedly arranged on the shell, and a user inputs an instruction through the touch screen; control circuit board, control circuit board includes encoder, microcontroller, the encoder with the microcontroller electricity is connected, the encoder with the touch-sensitive screen electricity is connected, the encoder receives user input's instruction and with instruction send to microcontroller, microcontroller is based on the instruction sends control signal, control signal is used for controlling the operation in the door and window or skylight of vehicle, microcontroller includes: a main control chip; the isolated power supply loop module is used for providing power supply for the main control chip and is electrically connected with the power supply interface and the main control chip; the input power supply protection circuit module is used for preventing polarity reversal connection and overvoltage protection, and is respectively and electrically connected with the signal interface and the main control chip; the CAN bus interface circuit module is used for receiving and sending CAN signals and is respectively and electrically connected with the main control chip and the signal interface; the LIN bus interface circuit module is used for receiving and sending LIN signals and is respectively and electrically connected with the main control chip, the power interface and the signal interface; the CAN bus interface circuit module or the LIN bus interface circuit module converts a control signal sent by the microcontroller into an optical signal.
Preferably, the LIN bus interface circuit module includes an LIN transceiver chip, a first surge protection circuit and a first filter circuit, the LIN transceiver chip is electrically connected to the power interface through the first surge protection circuit, and the LIN transceiver chip is electrically connected to the signal interface through the first filter circuit.
Preferably, the CAN bus interface circuit module includes a CAN bus protection device.
Preferably, the control circuit board further comprises an anti-jamming circuit module, and the anti-jamming circuit module is electrically connected with the main control chip.
Preferably, the input power protection circuit module comprises a single-chip microcomputer plug connector, the single-chip microcomputer plug connector is electrically connected with the signal interface, and the single-chip microcomputer plug connector is electrically connected with the main control chip through a polarity reverse connection prevention circuit, an overvoltage protection circuit and a second filter circuit.
Preferably, the control circuit board further comprises a clock circuit module, and the clock circuit module is electrically connected with the main control chip.
Preferably, the shell further comprises a reserved interface, and the reserved interface is electrically connected with the main control chip through a reserved interface circuit module of the control circuit board.
Preferably, the LED lamp further comprises an indicator light, the indicator light is fixedly arranged on the shell, and the indicator light is electrically connected with the main control chip.
Preferably, the side wall of the shell is provided with an anti-skid part, and the anti-skid part is a groove uniformly formed in the side wall of the shell.
Preferably, the junction of the adjacent side walls of the housing adopts a chamfer structure.
The utility model discloses a vehicle detects uses remote signal transmission box has following beneficial effect:
(1) the shell is provided with a signal interface to provide an interface for connecting optical fibers to realize communication connection with a vehicle; when the radiation interference resistance test of the whole vehicle is carried out, people do not need to operate the door window and the skylight in the vehicle, but carry out remote control operation in a control room; the CAN bus interface circuit module and the LIN bus interface circuit module are used for meeting the communication requirements of vehicle types with different communication protocols.
(2) The influence of the test process on the main control chip is avoided by isolating the power supply loop module; polarity reversal connection, overvoltage protection and filtering are prevented through the input power supply protection circuit module; and eliminating noise on the power supply through the anti-interference circuit module.
(3) The stability of holding the signal transmitting box is improved by arranging the anti-skid part on the shell; the risk of injury caused by sharp ends in the use process is reduced by arranging the chamfer structure at the joint of the adjacent side walls.
Drawings
For a better understanding of the above and other objects, features, advantages and functions of the present invention, reference should be made to the embodiments illustrated in the drawings. Like reference numerals in the drawings refer to like parts. It will be appreciated by persons skilled in the art that the drawings are intended to illustrate preferred embodiments of the invention without any limiting effect on the scope of the invention, and that the various components in the drawings are not to scale.
Fig. 1 is a schematic structural diagram of a remote signal transmitting box for vehicle detection according to an embodiment of the present invention;
fig. 2 shows a schematic diagram of a main control chip, a CAN bus signal interface circuit module and a clock circuit module of a remote signal transmitting box for vehicle detection according to an embodiment of the present invention;
fig. 3 shows a schematic diagram of a LIN bus interface circuit module of a remote signaling box for vehicle detection according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an input power protection circuit module of a remote signal transmitting box for vehicle detection according to an embodiment of the present invention;
fig. 5 shows an isolated power supply loop module schematic diagram of a remote signal transmitting box for vehicle detection according to an embodiment of the present invention.
Description of reference numerals:
11. a power interface; 12. a signal interface; 13. reserving an interface; 14. a touch screen; 15. a display lamp; 16. and an anti-slip part.
Detailed Description
Exemplary embodiments of the present disclosure are described below with reference to the accompanying drawings, in which various details of the embodiments of the disclosure are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
The term "include" and variations thereof as used herein is meant to be inclusive in an open-ended manner, i.e., "including but not limited to". Unless specifically stated otherwise, the term "or" means "and/or". The term "based on" means "based at least in part on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first," "second," and the like may refer to different or the same object. Other explicit and implicit definitions are also possible below.
To address at least in part one or more of the above problems and other potential problems, one embodiment of the present disclosure provides a remote signal transmitting box for vehicle detection, including: the vehicle-mounted power supply comprises a shell, a power supply interface and a signal interface, wherein the shell is provided with the power supply interface and the signal interface, the power supply interface is used for being externally connected with a power supply, and the signal interface is used for being in communication connection with a vehicle; the touch screen is fixedly arranged on the shell, and a user inputs an instruction through the touch screen; control circuit board, control circuit board includes encoder, microcontroller, the encoder with the microcontroller electricity is connected, and the encoder is connected with the touch-sensitive screen electricity, and the encoder receives user input's instruction and sends instruction to microcontroller, and microcontroller sends control signal based on the instruction, and control signal is used for controlling the operation in the door and window or skylight of vehicle, and microcontroller includes: a main control chip; the isolated power supply loop module is used for providing power supply for the main control chip and is electrically connected with the power interface and the main control chip; the input power supply protection circuit module is used for preventing polarity reversal connection and overvoltage protection, and is respectively and electrically connected with the signal interface and the main control chip; the CAN bus interface circuit module is used for receiving and sending CAN signals and is respectively and electrically connected with the main control chip and the signal interface; the LIN bus interface circuit module is used for receiving and transmitting LIN signals and is respectively electrically connected with the main control chip, the power interface and the signal interface; the CAN bus interface circuit module or the LIN bus interface circuit module converts a control signal sent by the microcontroller into an optical signal.
Specifically, as shown in fig. 1 and 2, the housing includes a top plate, a bottom plate, and a side wall connected between the top plate and the bottom plate, wherein the top plate and the bottom plate are rectangular flat plate structures, and the side wall is sequentially and fixedly connected with each side edge of the top plate and the bottom plate, so that an accommodating cavity is formed inside the housing. A power interface 11 and a signal interface 12 are arranged on the side wall of the shell, wherein the power interface 11 is used for connecting an external power supply to supply power to the remote signal transmitting box for vehicle detection, and the signal interface 12 is used for connecting an optical fiber to realize the communication connection between the remote signal transmitting box for vehicle detection and a vehicle. In the present embodiment, the signal interface 12 is connected to the door window and sunroof control switches of the vehicle through an optical fiber, or to the motor controllers of the door window and sunroof of the vehicle. In another embodiment, a reserved interface 13 is further formed on the side wall of the housing, and the reserved interface 13 is used for providing communication connection between the remote signal transmitting box for vehicle detection and an external terminal.
The top plate of the casing is provided with a touch screen mounting part, the touch screen 14 is fixedly connected to the top plate through the touch screen mounting part, and an operable part of the touch screen 14 is exposed from the top plate, so that a user can perform instruction input through operating the touch screen 14. In further embodiments, the user's command input includes starting and stopping a motor of a door window or a sunroof of the vehicle. In this embodiment, the remote signal transmitting box for vehicle detection further includes a display lamp 15, the display lamp 15 is fixedly disposed on the roof, and the display lamp 15 is used for displaying the operation state of the remote signal transmitting box for vehicle detection.
As shown in fig. 2, the control circuit board is fixedly disposed in the accommodating cavity of the housing, the control circuit board includes an encoder and a microcontroller, wherein the touch screen 14 is electrically connected to the microcontroller through the encoder, the encoder sends an instruction input by the user through the touch screen 14 to the main control chip of the microcontroller, and the main control chip sends a corresponding control signal based on the instruction input by the user.
In this embodiment, the main control chip of the microcontroller adopts a chip of MC9S12ZVC192A model. As shown in fig. 5, the isolated power loop module includes a power module, a capacitor C201, a capacitor C202 and a ground resistor, wherein the power module adopts a VRB1212YMD-6WR3 model power module, the capacitor C201 is connected between the pin 1 and the pin 2 of the power module, two ends of the capacitor C201 are electrically connected with the power interface 11, the capacitor C202 is connected between the pin 3 and the pin 5 of the power module, the ground resistor is connected between the pin 5 and the capacitor C202, and two ends of the capacitor C202 are connected with the main control chip.
As shown in fig. 4, the input power protection circuit module includes a single-chip connector, the single-chip connector is electrically connected to the signal interface 12, and the single-chip connector is electrically connected to the main control chip through a polarity reverse connection prevention circuit, an overvoltage protection circuit, and a second filter circuit. Specifically, the singlechip plug connector adopts a Header4 model, and the No. 1 pin and the No. 2 pin of the singlechip plug connector are connected with the signal interface 12. The input power protection circuit module further comprises a voltage stabilizing diode D1, a diode D2, a diode D3, a capacitor C1, an electrolytic capacitor C2, a capacitor C3, an electrolytic capacitor C4 and a capacitor C5, wherein the negative electrode of the voltage stabilizing diode D1 is connected with the No. 4 pin of the single-chip microcomputer plug connector, the positive electrode of a voltage stabilizing diode D1 is connected with the No. 3 pin of the single-chip microcomputer plug connector, the capacitor C1 is connected with the voltage stabilizing diode D1 in parallel, the positive electrode of the capacitor C1 is connected with the positive electrode of the diode D3, the negative electrode of the diode D3 is connected with the electrolytic capacitor C4, the capacitor C5 and the main control chip, the other ends of the electrolytic capacitor C4 and the capacitor C5 are grounded, the positive electrode of the diode D2 is connected with the positive electrode of the capacitor C1, the negative electrode of the diode D2 is connected with the electrolytic capacitor C2, the capacitor C3 and the No. 1 pin of the main control chip, and the other ends of the electrolytic capacitor C2 and the capacitor C3 are grounded. The diode D2 is used for placing polarity reversal, when the external power supply is plus, the power supply is normally applied to the circuit, when the external power supply is minus, the diode D2 is cut off, so that the circuit can not be supplied with power. The voltage stabilizing diode D1 is used for overvoltage protection, and when the voltage on the D1 is within an allowable range (24.4V), the D1 is cut off; when the voltage on the D1 exceeds a certain value (24.4V), the D1 is broken down reversely, and the overvoltage protection effect is achieved. The electrolytic capacitor C2 and the capacitor C3 play a role in filtering.
In this embodiment, the LIN bus interface circuit module includes an LIN transceiver chip, a first surge protection circuit, and a first filter circuit, where the LIN transceiver chip is electrically connected to the power interface through the first surge protection circuit, and the LIN transceiver chip is electrically connected to the signal interface through the first filter circuit.
Specifically, as shown in fig. 3, the LIN transceiver chip is of ATA6663 type, and pin No. 1 and pin No. 4 of the LIN transceiver chip are connected to pin No. 49 and pin No. 50 of the main control chip through resistor R20 and resistor R21, respectively. The No. 1 pin and the No. 2 pin of the LIN transceiver chip are electrically connected with the No. 42 pin and the No. 58 pin of the main control chip through a resistor R22 and a resistor R23 respectively, and the No. 5 pin of the LIN transceiver chip is electrically connected with the No. 40 pin and the No. 57 pin of the main control chip. The pin No. 3 of the LIN transceiver chip is connected with the first end of a resistor R24, the second end of the resistor R24 is connected with a capacitor C37, an electrolytic capacitor C38 and a diode D12, the other ends of the capacitor C37 and the electrolytic capacitor C38 are grounded, the pin No. 7 of the LIN transceiver chip is electrically connected with the second end of the resistor R24, the pin No. 6 of the LIN transceiver chip is electrically connected with the second end of a resistor R24 through a resistor R25, and the LIN transceiver chip is electrically connected with the power interface 11 through the other end of the diode D12 and the pin No. 5. The capacitor C39 and the zener diode D13 are connected in parallel between the No. 6 pin and the No. 5 pin of the LIN transceiver chip, and the LIN transceiver chip is electrically connected with the signal interface 12 through two ends of the zener diode D13. The capacitor C39 and the voltage-stabilizing diode D13 are used for protecting the LIN bus from surge impact, and the capacitor C37, the electrolytic capacitor C38 and the diode D12 filter noise.
In the present embodiment, as shown in fig. 2, the CAN bus interface circuit module includes a CAN bus protection device. The CAN bus protection device adopts a PESD2CAN model, and the CAN bus interface circuit module further comprises a capacitor C23, a capacitor C24, a capacitor C25, a resistor R9 and a resistor R10.
In this embodiment, the control circuit board further includes an anti-interference circuit module, and the anti-interference circuit module is electrically connected with the main control chip.
Specifically, as shown in fig. 2, the anti-jamming circuit module includes a capacitor C22, where pin No. 18 and pin No. 19 of the main control chip are connected through a capacitor C22, a side of the capacitor C22 close to pin No. 18 is grounded, and a side of the capacitor C22 close to pin No. 19 is connected to pin No. 58.
In this embodiment, the control circuit board further includes a clock circuit module, and the clock circuit module is electrically connected to the main control chip. Specifically, as shown in fig. 2, the clock circuit module is of a model CX5032GA, and the clock circuit module is electrically connected to the pin No. 6 and the pin No. 7 of the main control chip.
In this embodiment, the housing further includes a reserved interface 13, and the reserved interface 13 is electrically connected to the main control chip through a reserved interface circuit module of the control circuit board.
Specifically, as shown in fig. 1, the reserved interface 13 is opened on a side wall of the housing, and the reserved interface 13 is used for providing an expanded communication interface so as to adapt to diversified communication requirements.
In this embodiment, the side wall of the housing is provided with the anti-slip portion, and the anti-slip portion is a groove uniformly formed on the side wall of the housing. The junction of the adjacent side walls of the shell adopts a chamfer structure.
As shown in fig. 1, the anti-slip part is arranged on a group of opposite side walls of the shell, and the friction force for holding the shell is increased through the arranged groove to prevent the shell from slipping. In another embodiment, the anti-slip part can also be an anti-slip paste fixedly arranged on the side wall. And a chamfer structure is adopted between adjacent side walls to prevent collision damage in the use process.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvements to the market, or to enable others of ordinary skill in the art to understand the disclosure.
Claims (10)
1. A remote signal transmitting box for vehicle detection, comprising:
the vehicle-mounted power supply comprises a shell, a power supply interface and a signal interface, wherein the shell is provided with the power supply interface and the signal interface, the power supply interface is used for being externally connected with a power supply, and the signal interface is used for being in communication connection with a vehicle;
the touch screen is fixedly arranged on the shell, and a user inputs an instruction through the touch screen;
control circuit board, control circuit board includes encoder, microcontroller, the encoder with the microcontroller electricity is connected, the encoder with the touch-sensitive screen electricity is connected, the encoder receives user input's instruction and with instruction send to microcontroller, microcontroller sends control signal based on user input's instruction, control signal is used for controlling the operation in the door and window or skylight of vehicle, microcontroller includes:
a main control chip;
the isolated power supply loop module is used for providing power supply for the main control chip and is electrically connected with the power supply interface and the main control chip;
the input power supply protection circuit module is used for preventing polarity reversal connection and overvoltage protection, and is respectively and electrically connected with the signal interface and the main control chip;
the CAN bus interface circuit module is used for receiving and sending CAN signals and is respectively and electrically connected with the main control chip and the signal interface;
the LIN bus interface circuit module is used for receiving and sending LIN signals and is respectively and electrically connected with the main control chip, the power interface and the signal interface;
the CAN bus interface circuit module or the LIN bus interface circuit module converts a control signal sent by the microcontroller into an optical signal.
2. The signal transmitting box according to claim 1, wherein the LIN bus interface circuit module comprises a LIN transceiver chip, a first surge protection circuit and a first filter circuit, the LIN transceiver chip is electrically connected with the power interface through the first surge protection circuit, and the LIN transceiver chip is electrically connected with the signal interface through the first filter circuit.
3. The signaling pod of claim 2 wherein the CAN bus interface circuit module comprises a CAN bus protection device.
4. The signal transmitting box of claim 3, wherein the control circuit board further comprises an anti-jamming circuit module, and the anti-jamming circuit module is electrically connected with the main control chip.
5. The signal transmitting box of claim 4, wherein the input power protection circuit module comprises a single-chip connector, the single-chip connector is electrically connected with the signal interface, and the single-chip connector is electrically connected with the main control chip through a polarity reverse connection prevention circuit, an overvoltage protection circuit and a second filter circuit.
6. The signal transmitting box of claim 5, wherein the control circuit board further comprises a clock circuit module, and the clock circuit module is electrically connected with the main control chip.
7. The signal transmitting box of claim 1, wherein the housing further comprises a reserved interface, and the reserved interface is electrically connected with the main control chip through a reserved interface circuit module of the control circuit board.
8. The signal transmitting box of claim 7, further comprising an indicator light fixedly disposed on the housing, the indicator light being electrically connected to the main control chip.
9. The signal transmitting box according to claim 8, wherein the side wall of the housing is provided with a non-slip portion, and the non-slip portion is a groove uniformly formed on the side wall of the housing.
10. The signal transmitting box of claim 9, wherein the junction of adjacent side walls of the housing is chamfered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121084803.1U CN214954607U (en) | 2021-05-20 | 2021-05-20 | Remote signal transmitting box for vehicle detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121084803.1U CN214954607U (en) | 2021-05-20 | 2021-05-20 | Remote signal transmitting box for vehicle detection |
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| Publication Number | Publication Date |
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| CN214954607U true CN214954607U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121084803.1U Active CN214954607U (en) | 2021-05-20 | 2021-05-20 | Remote signal transmitting box for vehicle detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117834336A (en) * | 2023-12-29 | 2024-04-05 | 浙江康信电器集团有限公司 | Voltage stabilizing circuit applied to LIN communication of commercial vehicle and control method thereof |
| CN117834336B (en) * | 2023-12-29 | 2024-07-02 | 浙江康信电器集团有限公司 | Voltage stabilizing circuit applied to LIN communication of commercial vehicle and control method thereof |
-
2021
- 2021-05-20 CN CN202121084803.1U patent/CN214954607U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117834336A (en) * | 2023-12-29 | 2024-04-05 | 浙江康信电器集团有限公司 | Voltage stabilizing circuit applied to LIN communication of commercial vehicle and control method thereof |
| CN117834336B (en) * | 2023-12-29 | 2024-07-02 | 浙江康信电器集团有限公司 | Voltage stabilizing circuit applied to LIN communication of commercial vehicle and control method thereof |
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