CN218349764U - Testing device for automobile lamp - Google Patents

Abstract

The utility model relates to an automobile lamp tests technical field, especially relates to a testing arrangement of automobile lamp. The device comprises a lamp body and a testing device, wherein the lamp body is connected with the testing device; the test device comprises: the system comprises a CPU processing module, an MCU control module, a power supply module, a data transmission module, a touch display module and an interface module; the MCU control module and the touch display module are both connected with the CPU processing module; the MCU control module and the interface module are both connected with the data transmission module; the interface module and the CPU processing module are both connected with the power supply module; the interface module is connected with the lamp body. The utility model discloses a testing arrangement of car lamps and lanterns, simple structure, convenient test to car lamps and lanterns, reduced manpower and materials, and portable.

Description

Testing device for automobile lamp

Technical Field

The utility model relates to an automobile lamp tests technical field, especially relates to a testing arrangement of automobile lamp.

Background

With the rapid development of the automobile lamp industry, the automobile lamp industry has different and past obvious changes. When the automobile lamp meets the requirements of regulations, attention is paid to the lighting effect of the automobile lamp, and the communication mode of the automobile lamp is controlled by a single hard wire to be turned on or off, so that the lighting effect of various LEDs is gradually realized through the communication between a control device and LIN or CAN.

At present, the common test mode for testing the LED lamp is as follows: the notebook computer is connected with the input end of the test tool through the special wire harness, the output end of the test tool is connected with the tested LED lamp through the special wire harness, during testing, the control signal is sent to the test tool through the notebook computer, the control signal is transmitted to the tested LED lamp through the test tool, the tested LED lamp is lightened or extinguished, the notebook computer, the special wire harness and the test tool are required to be carried in the test process or in the sample piece evaluation process to test the lamp, and the test is very inconvenient for non-professionals.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the technical problem that prior art tests inconvenient to car lamps and lanterns, the utility model provides a testing arrangement of car lamps and lanterns, simple structure, convenience have reduced manpower and materials, and portable to car lamps and lanterns test.

The utility model provides a technical scheme that its technical problem adopted is: the testing device for the automobile lamp comprises a lamp body and a testing device, wherein the lamp body is connected with the testing device; the test device comprises: the device comprises a CPU processing module, an MCU control module, a power supply module, a data transmission module, a touch display module and an interface module; the MCU control module and the touch display module are both connected with the CPU processing module; the MCU control module and the interface module are both connected with the data transmission module; the interface module and the CPU processing module are both connected with the power supply module; the interface module is connected with the lamp body. During testing, the type of the tested lamp body is selected on the touch display module interface, the corresponding control virtual keys are selected to send control signals to the CPU processing module, the CPU processing module transmits the control signals to the MCU control module, the MCU control module receives the control signals, the control signals are transmitted to the interface module through the data transmission module, the interface module transmits the control signals to the lamp body, the lamp body receives and executes the control signals, and the lighting effect of various LEDs can be achieved through the control of the different control virtual keys on the lamp body.

Further, the mobile terminal specifically comprises a storage module, wherein the storage module is connected with the CPU processing module.

Further, specifically, the mobile terminal further comprises a USB module, and the USB module is connected with the CPU processing module.

Further, specifically, the data transmission module includes a CAN communication module and an LIN communication module, one end of the CAN communication module and one end of the LIN communication module are both connected to the MCU control module, and the other end of the CAN communication module and the other end of the LIN communication module are both connected to the interface module.

Further, specifically, the MCU control module and the CPU processing module are connected via an IIC bus interface.

Further, specifically, the lamp body is a position lamp, a turn signal lamp, a high/low beam lamp, a daytime running lamp, a backup lamp, a fog lamp or a brake lamp.

Further, specifically, the processing chip of the MCU control module is a chip of STM32F105 series.

The beneficial effects of the utility model are that, the utility model discloses a testing arrangement of car lamps and lanterns, compared with the prior art, when testing lamps and lanterns, need not carry the computer, test fixture and dedicated pencil, testing arrangement passes through the visual operation interface of touch display module, select the kind of the lamps and lanterns body of being surveyed on the touch display module interface, and select corresponding control virtual button to send control signal to CPU processing module, CPU processing module transmits this control signal to MCU control module, MCU control module receives this control signal, retransmit this control signal to interface module through data transmission module, interface module transmits this control signal to lamps and lanterns body again, lamps and lanterns body receives and carries out this control signal, through the control of different control virtual buttons to lamps and lanterns body, can realize the effect of lighting of various LEDs, moreover, the steam generator is simple in structure, and convenient to carry, it tests to car lamps and lanterns conveniently, manpower and materials have been reduced; and through the improvement to data transmission module, this use the utility model discloses a testing arrangement is convenient for test the lamps and lanterns that need CAN bus or LIN bus communication.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural diagram of the preferred embodiment of the present invention.

Fig. 2 is a detailed structural schematic diagram of the preferred embodiment of the present invention.

In the figure 100, a lamp body; 200. a testing device; 21. an interface module; 22. a power supply module; 23. a data transmission module; 24. an MCU control module; 25. a CPU processing module; 26. a touch display module; 27. a storage module; 28. and a USB module.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, it is the best embodiment of the present invention, a testing device for automobile lamps, comprising: the lamp body 100 is connected with the test device 200; the test apparatus 200 includes: a CPU processing module 25, an MCU control module 24, a power supply module 22, a data transmission module 23, a touch display module 26 and an interface module 21; the MCU control module 24 and the touch display module 26 are both connected with the CPU processing module 25; the MCU control module 24 and the interface module 21 are both connected with the data transmission module 23; the interface module 21 and the CPU processing module 25 are both connected with the power supply module 22; the interface module 21 is connected to the lamp body 100.

Specifically, when the testing device 200 is powered on, the MCU control module 24 detects the voltage input by the power module 22, if the input voltage is within a threshold preset by the MCU control module 24, the power module 22 is controlled to output, the CPU processing module 25 is started, the interface of the touch display module 26 is opened, the type of the lamp body 100 to be tested is selected on the interface, and a corresponding control virtual key is selected to send a control signal to the CPU processing module 25, the CPU processing module 25 transmits the control signal to the MCU control module 24, the MCU control module 24 receives the control signal, the data transmission module 23 retransmits the control signal to the interface module 21, the interface module 21 transmits the control signal to the lamp body 100, the lamp body 100 receives and executes the control signal, and the lighting effect of various LEDs can be achieved by controlling the lamp body 100 through different control virtual keys.

In the prior art, a notebook computer is connected with an input end of a test tool through a special wire harness, an output end of the test tool is connected with a tested LED lamp through the special wire harness, when an automobile lamp is tested for a long time, a commercial power is converted into direct current by the notebook computer through a battery adapter, the automobile lamp is directly powered by a direct current power supply, the notebook computer and the automobile lamp need different power supply modes and different interfaces, and the adaptive power supply of the notebook computer is incompatible with the power supply of the automobile lamp, so that a special power supply device for the automobile lamp needs to be carried during testing.

The utility model discloses a testing arrangement 200 and the power supply of lamps and lanterns body 100 are given respectively to power module 22, it is concrete, power module 22 passes through interface module 21 and connects for lamps and lanterns body 100 and data transmission module 24 respectively, power module 22's input voltage transmits to lamps and lanterns body 100 through interface module, power module 22's input voltage still transmits to data transmission module 23 through interface module 21, data transmission module 23 transmits input voltage to MCU control module again, power module 22 still is connected with CPU processing module, be used for giving CPU processing module 25, all adopt power module 22 to supply power between each module, the power supply mode is the same, the incompatible problem exists in the power of having avoided testing arrangement's power and lamps and lanterns body's power, power module 22 is integrated in testing arrangement, the tester of being convenient for uses, high in practicability.

In the embodiment, the system further includes a storage module 27, the storage module 27 is connected to the CPU processing module 25, the storage module 27 includes a RAM circuit and a ROM circuit, data may be lost when the RAM circuit is powered off, when the RAM circuit is in operation, the RAM circuit and the CPU processing module 25 perform read-write and result storage of a communication instruction, when the ROM circuit is in communication with the CPU processing module 25, a driver stored in the CPU processing module 25 and a boot program of the RAM circuit are read only, in other words, the driver stored in the ROM circuit is read only when the driver is in operation, and in addition, a part of a data space of the ROM circuit is mapped to an address space of the RAM circuit to serve as a boot program for system startup.

In the embodiment, the lamp further comprises a USB module 28, the USB module 28 is connected to the CPU processing module 25, and the USB interface is used to upgrade the program in the CPU processing module 25, so as to test different lamp bodies 100.

In an embodiment, as shown in fig. 2, the data transmission module 23 includes a CAN communication module and a LIN communication module, one end of the CAN communication module and one end of the LIN communication module are both connected to the MCU control module, the other end of the CAN communication module and the other end of the LIN communication module are both connected to the interface module, when the MCU control module 24 receives a control signal sent by the CPU processing module 25, the control signal is converted into a CAN _ H and CAN _ L differential signal through the CAN communication module and transmitted to the interface module 21, or the control signal is converted into a LIN signal through the LIN communication module and transmitted to the interface module 21, the interface module 21 then transmits the converted signal to the lamp, and the lamp body 100 receives and analyzes the converted signal, thereby realizing the lighting effect of various LEDs.

In the embodiment, the MCU control module 24 and the CPU processing module 25 are connected via an IIC bus interface, and the IIC bus improves the anti-interference capability during control signal transmission, thereby ensuring that the control signal is effectively transmitted to the MCU control module 24.

In an embodiment, the touch display module 26 includes a display screen and a touch screen, and the display screen and the touch screen are bonded to form the touch display module 26, the display screen is a TFT display screen of, but not limited to, ZJ070NA-01P, and the touch screen is a multi-point capacitive touch screen of, but not limited to, CT-C8164-7 inches.

In the embodiment, the lamp body 100 is a position light, a turn signal light, a high/low beam light, a daytime running light, a backup light, a fog light or a brake light, but not limited thereto. The lamp body 100 is connected to the interface module 21 through a bus, and when the interface module 21 transmits the control signal to the lamp body 100, the control signal is transmitted through the bus, where the bus is a CAN bus or a LIN bus, but the bus is not limited thereto.

The utility model discloses a specific embodiment, different lamps and lanterns body 100, the display interface on the touch display module 26 is also different, through the selection to lamps and lanterns body 100 type on the interface, and then switches control interface, sends the control signal that corresponds the type through touching virtual button.

In the embodiment, the control chip of the MCU control module 24 may be a STM32F105 series chip of an ideological semiconductor, or an RH850F1L chip of rassa, but is not limited thereto. The processing chip of the CPU processing module 25 may be, but is not limited to, MCIMX6U6AVM08 AC.

When in work:

selecting the type of the lamp body 100 to be measured on the display interface of the touch display module 26, and receiving the type of the lamp body 100 by the CPU processing module 25, and processing the type of the lamp body 100 to enable the display interface of the touch display module 26 to jump to a control interface corresponding to the type of the lamp body 100; touching or clicking a virtual key of the control interface on the touch display module 26, and generating a control signal and transmitting the control signal to the CPU processing module 25; the CPU processing module 25 receives the signal and transmits the control signal to the MCU control module 24 through the IIC bus; the MCU control module 24 receives and transmits the control signal to the CAN communication module or the LIN communication module; the CAN communication module or the LIN communication module converts the control signal and transmits the converted signal to the interface module 21; the interface module 21 receives and transmits the converted signal, the interface module 21 transmits the converted signal to the lamp body 100 through the bus, and the lamp body 100 receives and executes the converted signal.

Control interface's virtual button has multiple functions on touch display module 26, through clicking or touching virtual button, realizes different function LED and lights the effect, and carries out signal transmission through CAN communication module or LIN communication module, ensures that lamps and lanterns install back to the car, and car lamp field controller passes through CAN communication module or LIN communication module and communicates normally between the lamps and lanterns, the utility model discloses a testing arrangement lets lamps and lanterns control mode become convenient at lamps and lanterns design and test stage, CAN improve work efficiency.

The utility model discloses a testing arrangement of car lamps and lanterns, for prior art, when testing lamps and lanterns, need not carry the computer, test fixture and dedicated pencil, testing arrangement passes through the visual operation interface of touch display module, select the kind of the lamps and lanterns body of being surveyed on touch display module interface, and select corresponding control virtual button to send control signal to CPU processing module, CPU processing module transmits this control signal to MCU control module, MCU control module receives this control signal, retransmit this control signal to interface module through data transmission module, interface module transmits this control signal to the lamps and lanterns body again, the lamps and lanterns body receives and carries out this control signal, through the control of different control virtual buttons to the lamps and lanterns body, can realize the effect of lighting of various LED, moreover, the steam generator is simple in structure, and is convenient to carry, conveniently test car lamps and lanterns, manpower and material resources are reduced; and through the improvement to data transmission module, this use the utility model discloses a testing arrangement is convenient for test the lamps and lanterns that need CAN bus or LIN bus communication.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (7)

1. The testing device of the automobile lamp is characterized by comprising a lamp body (100) and a testing device (200), wherein the lamp body (100) is connected with the testing device (200);

the test device (200) comprises: the device comprises a CPU processing module (25), an MCU control module (24), a power supply module (22), a data transmission module (23), a touch display module (26) and an interface module (21);

the MCU control module (24) and the touch display module (26) are both connected with the CPU processing module (25);

the MCU control module (24) and the interface module (21) are both connected with the data transmission module (23);

the interface module (21) and the CPU processing module (25) are both connected with the power supply module (22);

the interface module (21) is connected with the lamp body (100).

2. The testing device of the automobile lamp fitting according to claim 1, further comprising a memory module (27), wherein the memory module (27) is connected with the CPU processing module (25).

3. The testing device of the automobile lamp according to claim 2, further comprising a USB module (28), wherein the USB module (28) is connected to the CPU processing module (25).

4. The testing device of the automobile lamp according to claim 1, wherein the data transmission module (23) comprises a CAN communication module and a LIN communication module, one end of the CAN communication module and one end of the LIN communication module are both connected with the MCU control module (24), and the other end of the CAN communication module and the other end of the LIN communication module are both connected with the interface module (21).

5. The testing device of the automobile lamp as claimed in claim 1, wherein the MCU control module (24) and the CPU processing module (25) are connected through an IIC bus interface.

6. The testing device of the automobile lamp according to claim 1, wherein the lamp body (100) is a position light, a turn signal light, a high/low beam light, a daytime running light, a backup light, a fog light, or a stop light.

7. The testing device of the automobile lamp according to claim 1, wherein the processing chip of the MCU control module (24) is a chip of STM32F105 series.

Images