Car lamp load lamp panel and car lamp load device

Abstract

The utility model discloses a vehicle lamp load lamp panel and a vehicle lamp load device. The vehicle lamp load lamp panel comprises a lamp load assembly, a temperature detection module, a high side module, a fan and a connector assembly. The input end of the connector assembly is connected with a lamp driver, and the output end of the connector assembly is connected with a lamp load assembly; the input end of the temperature detection module is connected with the output end of the connector assembly, the output end of the temperature detection module is connected with the high-side module, and the output end of the high-side module is connected with the fan. According to the car lamp load lamp panel and the car lamp load device, the temperature detection module is designed on the car lamp load lamp panel, a fan switch is controlled to achieve active heat dissipation, and meanwhile the semitransparent acrylic plate, the front cover plate, the rear cover plate and the fin radiator are arranged to shield the periphery of the car lamp load lamp panel. Therefore, strong light emitted by a car lamp load lamp panel cannot be irradiated out, and the anti-dazzle purpose is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of car light load lamp plate and car light load device, belong to lamp driving test field. BACKGROUND

[0002] At present, when the automobile lamp manufacturer carries out the test of lamp driving, the test driving rack needs to be built.The method of building rack is to fix all the lamp plates with driving on epoxy resin plate using ribbon and other tools.Due to the different modeling of lamp plate, to prevent the problem of short circuit between lamp plates, a distance is left between each lamp plate, so the rack needs to be built larger.Because the lamp plates are scattered, each lamp plate needs to be connected with driving using wire harness, the more the number of lamp plates on the rack, the more complex and messy the wire harness is.In testing, due to the lack of shielding of lamp plate, when the rack tests the lamp, the strong light emitted by the lamp plate makes the tester have to wear sunglasses, and take off the glasses when recording data, which is troublesome.So it is very necessary to make a small load.The load used by load lamp plate and the real load of the lamp designed and developed should be consistent.Some manufacturers design false load to replace lamp load, which may affect the test results due to the difference between false load and real load.

[0003] In the existing technology, a translucent plexiglass is generally used to shield directly above the load, but the strong light of the led around the load cannot be shielded.Some false loads use resistance type pure resistance load, which generates more heat, and needs larger heat sink when simulating high-power lamp plate, which is more cumbersome to use. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art, provide a kind of car light load lamp plate and car light load device, by designing temperature detection module on car light load lamp plate, control fan switch to realize active cooling, simultaneously set up translucent plexiglass, front cover plate, rear cover plate and fin heat sink shielding around car light load lamp plate, so that the strong light emitted by car light load lamp plate cannot be irradiated out, realize the purpose of anti-dazzle.

[0005] To solve the above technical problems, the technical scheme of the utility model is:

[0006] The utility model provides a kind of car light load lamp plate on one hand, it includes lamp load component, temperature detection module, high edge module, fan and connector component;

[0007] The input end of the connector component is connected with lamp driving, and the output end of the connector component is connected with lamp load component;

[0008] The input end of the temperature detection module is connected with the output end of the connector assembly, the output end of the temperature detection module is connected with the high-side module, and the output end of the high-side module is connected with the fan.

[0009] Further, the lamp load assembly comprises: an ADB high beam driving module, a signal lamp driving module, an ADB high beam LED module, a signal lamp LED module, and a common high beam and low beam LED module.

[0010] The input end of the ADB high beam driving module is connected with the output end of the connector assembly, and the output end of the ADB high beam driving module is connected with the ADB high beam LED module.

[0011] The input end of the signal lamp driving module is connected with the output end of the connector assembly, and the output end of the signal lamp driving module is connected with the signal lamp LED module.

[0012] The common high beam and low beam LED module is connected with the output end of the connector assembly.

[0013] Further, the ADB high beam driving module comprises a first CAN transceiver and a matrix chip.

[0014] The matrix chip communicates with the first CAN transceiver.

[0015] The first CAN transceiver communicates with the lamp driving through the connector assembly.

[0016] Further, the signal lamp driving module comprises a second CAN transceiver and a linear chip.

[0017] The linear chip communicates with the second CAN transceiver.

[0018] The second CAN transceiver communicates with the lamp driving through the connector assembly.

[0019] Further, the temperature detection module comprises a signal lamp temperature detection module, a common high beam and low beam temperature detection module, and an ADB high beam temperature detection module.

[0020] The input end of the signal lamp temperature detection module is connected with the connector assembly, and the output end of the signal lamp temperature detection module is connected with the high-side module.

[0021] The input end of the common high beam and low beam temperature detection module is connected with the connector assembly, and the output end of the common high beam and low beam temperature detection module is connected with the high-side module.

[0022] The input end of the ADB high beam temperature detection module is connected with the connector assembly, and the output end of the ADB high beam temperature detection module is connected with the high-side module.

[0023] The utility model discloses a car light load device on the one hand, it includes fin radiator and car light load lamp plate, car light load lamp plate is fixed in the one end of fin radiator, the upper of the light exit surface of car light load lamp plate is provided with translucent sub -alumel board, the both sides of fin radiator are fixed with front cover and rear cover, the outside of rear cover is fixed with fan, and the utility model discloses a car light load device on the other hand, it includes fin radiator and car light load lamp plate, car light load lamp plate is fixed in the one end of fin radiator, the upper of the light exit surface of car light load lamp plate is provided with translucent sub -alumel board, the both sides of fin radiator are fixed with front cover and rear cover, the outside of rear cover is fixed with fan,

[0024] Further, one end of the fin radiator is provided with a PCBA fixing groove for mounting the car light load lamp plate and a sub-alumel board fixing groove for mounting the translucent sub-alumel board.

[0025] Further, the lower part of the front cover is provided with a hollow structure for heat dissipation.

[0026] Further, the rear cover is provided with a wire harness hole and an air duct hole, the air duct hole corresponds to the fan, and the wire harness hole is used for mounting the wire harness of the car light load lamp plate.

[0027] By adopting the above technical scheme, the car light load lamp plate of the utility model is designed in a centralized manner, the designed simulation lamp plate PCBA is assembled on the load radiator, the load driven by the car light load lamp plate is miniaturized, convenient to carry, and convenient for testing or experiment. The car light load device of the utility model has the advantages of simple and practical structure design, easy assembly, low manufacturing cost, and can be applied to the load manufacturing of all lamp drives, can well protect the eyes of the drive designers and testers, and will not cause glare due to the lighting of the LED lamp, and prevent the harm of LED blue light leakage to the human eyes. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the principle block diagram of the car light load lamp plate of the utility model;

[0029] Figure 2 It is the circuit principle diagram of the car light load lamp plate of the utility model;

[0030] Figure 3 It is the first CAN receiver and matrix chip connection principle diagram of the car light load lamp plate of the utility model and the principle diagram of ADB high beam temperature detection module;

[0031] Figure 4 It is the second CAN receiver and linear chip connection principle diagram of the car light load lamp plate of the utility model;

[0032] Figure 5 It is the principle diagram of ordinary high beam and low beam temperature detection module of the car light load lamp plate of the utility model;

[0033] Figure 6 It is the principle diagram of signal lamp temperature detection module of the car light load lamp plate of the utility model;

[0034] Figure 7 This is a structural assembly drawing of the vehicle lamp load device of this utility model;

[0035] Figure 8 This is a semi-transparent acrylic plate diagram of the vehicle lamp load device of this utility model;

[0036] Figure 9 This is a side cross-sectional view of the finned heat sink of the vehicle lamp load device of this utility model;

[0037] Figure 10 This is a structural diagram of the front cover plate of the vehicle lamp load device of this utility model;

[0038] Figure 11 This is a structural diagram of the rear cover plate of the vehicle lamp load device of this utility model. Detailed Implementation

[0039] To make the contents of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0040] Example 1

[0041] like Figure 1 As shown, this embodiment provides a vehicle lamp load board, which includes a lamp load assembly, a temperature detection module, a high-side module, a fan, and a connector assembly;

[0042] The input end of the connector assembly is connected to the luminaire driver via a wiring harness, and the output end of the connector assembly is connected to the luminaire load assembly.

[0043] The input of the temperature detection module is connected to the output of the connector assembly. The output of the temperature detection module is connected to the high-side module. The output of the high-side module is connected to the fan. The temperature detection module is used to monitor the temperature of the vehicle lamp load board. When the temperature of the vehicle lamp load board is higher than 105 degrees, the fan is turned on for active cooling.

[0044] like Figure 2 As shown, the lighting load components include: ADB high beam driver module, signal light driver module, ADB high beam LED module, signal light LED module, and ordinary high and low beam LED module;

[0045] The connector assembly includes a first connector, a second connector, a third connector, and a fourth connector;

[0046] The input terminal of the ADB high beam driver module is connected to the output terminal of the first connector, and the output terminal of the ADB high beam driver module is connected to the ADB high beam LED module.

[0047] The input end of the signal lamp driving module is connected with the output end of the second connector, the output end of the signal lamp driving module is connected with the signal lamp LED module, and the signal lamp LED module comprises a white light daytime running lamp and a yellow light turn signal lamp.

[0048] The common high / low beam lamp LED module is connected with the output end of the third connector, the common high / low beam lamp LED module comprises an LED lamp and a resistor corresponding to the LED lamp, and the resistor is used as a jumper wire.

[0049] The lamp load assembly of the embodiment further comprises other lamp LED modules, the other lamp LED modules are connected with the output ends of the third connector and the fourth connector, and the other lamp LED modules comprise indicator lamps, logo lamps or other small lamps.

[0050] As shown in Figure 2 , the ADB high beam lamp driving module comprises a first CAN transceiver and a matrix chip;

[0051] The matrix chip is a matrix control chip of the ADB high beam lamp, and the first CAN transceiver is a physical layer circuit for providing communication between the lamp driving and the matrix chip;

[0052] The matrix chip communicates with the first CAN transceiver;

[0053] The first CAN transceiver communicates with the lamp driving through the first connector.

[0054] In the embodiment, as shown in Figure 3 , the output end of the first CAN transceiver U2 communicates with the matrix chip U1 through a resistor, the input end of the first CAN transceiver U2 is connected with the first connector J1 through an inductor, and the first connector J1 is connected with the vehicle lamp driving through a wire harness. The matrix chip adopts TPS92662A-Q1, and the matrix chip and the first CAN transceiver are powered by the vehicle body power supply through an LDO chip, and the LDO chip adopts TPS7B6950-Q1.

[0055] The signal lamp driving module comprises a second CAN transceiver and a linear chip;

[0056] The linear chip is a linear driving chip for controlling the constant current of the signal lamp, and the second CAN transceiver is a physical layer circuit for providing communication between the lamp driving and the linear chip;

[0057] The linear chip communicates with the second CAN transceiver;

[0058] The second CAN transceiver communicates with the lamp driving through the second connector.

[0059] In the embodiment, as shown in Figure 4As shown, the output end of the second CAN transceiver U3 is communicated with the linear chip U4 through a resistor, and the input end of the second CAN transceiver U3 is connected with the second connector J2 through an inductor, and the second connector J2 is connected with the vehicle lamp driver through a wire harness. The linear chip adopts TPS929120-Q1, and the second CAN transceiver is powered by the vehicle body power supply through an LDO chip, and the LDO chip adopts TPS7B6950-Q1.

[0060] As shown in the figure, the temperature detection module includes a signal lamp temperature detection module, a general high-low beam temperature detection module and an ADB high beam temperature detection module. Figure 2

[0061] The input end of the signal lamp temperature detection module is connected with the second connector, and the output end of the signal lamp temperature detection module is connected with the high-side module.

[0062] The input end of the general high-low beam temperature detection module is connected with the third connector, and the output end of the general high-low beam temperature detection module is connected with the high-side module.

[0063] The input end of the ADB high beam temperature detection module is connected with the first connector, and the output end of the ADB high beam temperature detection module is connected with the high-side module.

[0064] In this embodiment, the signal lamp temperature detection module, the general high-low beam temperature detection module and the ADB high beam temperature detection module all adopt NTC to detect temperature. NTC thermistors are arranged on the PCBA, which are 100K at 25℃, and reduce to about 4K when the temperature of the load point reaches 105°. By using the feature that the resistance of the thermistor decreases with the increase of temperature, the temperature of the load lamp panel is collected, the temperature derating strategy is set, and the fan is started to actively dissipate heat; the fan is turned off after the temperature drops. Figure 3 As shown in the figure, in the ADB high beam temperature detection module, one end of the NTC thermistor RT3 is connected with the ADC of the matrix chip U1, and the other end is grounded. As shown in the figure, Figure 5 As shown in the figure, in the general high-low beam temperature detection module, one end of the NTC thermistor RT1 is connected with the third connector J3, and the other end is grounded, and a capacitor is connected in parallel across the NTC thermistor RT1. As shown in the figure, Figure 6 As shown in the figure, in the signal lamp temperature detection module, one end of the NTC thermistor RT4 is connected with the second connector J2, and the other end is grounded, and a capacitor is connected in parallel across the NTC thermistor RT4.

[0065] The high-side module adopts TPS2HB35, which is used to control the fan switch according to the signal sent by the temperature detection module, and the output end of the high-side module is two-way, connecting two fans.

[0066] Embodiment two ​

[0067] As Figure 7 shown, the embodiment provides a car lamp load device, which comprises a fin heat sink 5 and the car lamp load lamp panel 2 of the first embodiment, the car lamp load lamp panel 2 is fixed at one end of the fin heat sink 5, a translucent acryl plate 1 is arranged above the light emitting surface of the car lamp load lamp panel 2, front cover plates 4 and rear cover plates 3 are fixed on both sides of the fin heat sink 5, and fans 6 are fixed on the outer sides of the rear cover plates 3.

[0068] When the test of the car lamp driving is performed, the translucent acryl plate 1, the front cover plates 4, the rear cover plates 3 and the fin heat sink 5 shield around the car lamp load lamp panel 2, so that the LED strong light emitted by the car lamp load lamp panel 2 cannot be irradiated out.

[0069] As Figure 8 shown, the color of the translucent acryl plate 1 is tea color or black, and the transparency cannot be too high or too low. If the transparency is too high, light can be easily transmitted, and the anti-glare effect cannot be achieved; if the transparency is too low, the LED heat can be easily absorbed, and the acryl plate can be deformed or burnt due to the high heat when the load is lighted. Therefore, the anti-glare transparent plate is more suitable to use the transparency of 50%.

[0070] As Figure 9 shown, one end of the fin heat sink 5 is provided with a PCBA fixing groove 9 for mounting the car lamp load lamp panel 2 and an acryl plate fixing groove 10 for mounting the translucent acryl plate 1, the size of the PCBA fixing groove 9 matches the size of the car lamp load lamp panel 2, and the size of the acryl plate fixing groove 10 matches the size of the translucent acryl plate 1.

[0071] As Figure 10 shown, the lower part of the front cover plate 4 is provided with a hollow structure 11 for heat dissipation. After the fan 6 is started, the heat on the fin heat sink 5 is discharged to the air through the hollow structure 11 to achieve the heat dissipation effect.

[0072] As Figure 11 shown, the rear cover plate 3 is provided with a wire harness hole 7 and an air duct hole 8, the air duct hole 8 corresponds to the fan 6, and cold air can be sucked in when the fan 6 is started to take away the heat on the fin heat sink 5; the wire harness hole 7 is used for mounting the wire harness of the car lamp load lamp panel 2, and the wire harness is connected to the lamp driving after passing through the wire harness hole 7.

[0073] The front and rear cover plates are light shielding devices, which prevent the LED light from being irradiated from the side, and the front and rear cover plates are plastic materials and are easy to process.

[0074] The working principle of the utility model is as follows:

[0075] When the temperature of the car lamp load lamp plate rises, the resistance of the NTC thermistor decreases, the temperature information of the car lamp load lamp plate is collected and sent to the lamp driving for detection, the lamp driving sends instructions to the high-side module according to the detected temperature information, the high-side module controls the fan to open and increases the heat discharge of the radiator; when the temperature decreases, the high-side module controls the fan to close.

[0076] The utility model discloses a lamp panel PCBA is assembled on the load radiator by the centralized design of the lamp panel of real lamp, makes its driven load miniaturization, and the utility model discloses convenient carrying, convenient test or experiment, can satisfy simultaneously various lamps of automobile lighting drive.

[0077] The above-described specific embodiments further illustrate the technical problems, technical solutions and beneficial effects solved by the utility model, and it should be understood that the above-described specific embodiments are only specific embodiments of the utility model and are not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A vehicle lamp load light panel, characterized by: It includes lamp load component, temperature detection module, high side module, fan and connector component; The input end of the connector component is connected with the lamp drive, and the output end of the connector component is connected with the lamp load component; The input end of the temperature detection module is connected with the output end of the connector component, the output end of the temperature detection module is connected with the high side module, and the output end of the high side module is connected with the fan.

2. The vehicle lamp load light panel of claim 1, wherein, The lamp load component includes ADB high beam lamp drive module, signal lamp drive module, ADB high beam lamp LED module, signal lamp LED module and ordinary high beam lamp LED module. The input end of the ADB high beam lamp drive module is connected with the output end of the connector component, and the output end of the ADB high beam lamp drive module is connected with the ADB high beam lamp LED module. The input end of the signal lamp drive module is connected with the output end of the connector component, and the output end of the signal lamp drive module is connected with the signal lamp LED module. The ordinary high beam lamp LED module is connected with the output end of the connector component.

3. The vehicle lamp load light panel of claim 2, wherein, The ADB high beam lamp drive module includes first CAN transceiver and matrix chip. The matrix chip communicates with the first CAN transceiver. The first CAN transceiver communicates with the lamp drive through the connector component.

4. The vehicle lamp load light panel of claim 2, wherein, The signal lamp drive module includes second CAN transceiver and linear chip. The linear chip communicates with the second CAN transceiver. The second CAN transceiver communicates with the lamp drive through the connector component.

5. The vehicle lamp load light panel of claim 1, wherein, The temperature detection module includes signal lamp temperature detection module, ordinary high beam lamp temperature detection module and ADB high beam lamp temperature detection module. The input end of the signal lamp temperature detection module is connected with the connector component, and the output end of the signal lamp temperature detection module is connected with the high side module. The input end of the ordinary high beam lamp temperature detection module is connected with the connector component, and the output end of the ordinary high beam lamp temperature detection module is connected with the high side module. The input end of the ADB high beam lamp temperature detection module is connected with the connector component, and the output end of the ADB high beam lamp temperature detection module is connected with the high side module.

6. A vehicle lamp load device characterized by comprising: It includes fin heat sink (5) and vehicle lamp load lamp plate (2) as claimed in any one of claims 1-5, the vehicle lamp load lamp plate (2) is fixed at one end of the fin heat sink (5), the upper part of the light emitting surface of the vehicle lamp load lamp plate (2) is provided with a translucent sub-argillite plate (1), the two sides of the fin heat sink (5) are fixed with front cover plate (4) and rear cover plate (3), the outer side of the rear cover plate (3) is fixed with fan (6).

7. The vehicle lamp load arrangement of claim 6, wherein: One end of the fin heat sink (5) is provided with PCBA fixing groove (9) for mounting vehicle lamp load lamp plate (2) and sub-argillite plate fixing groove (10) for mounting translucent sub-argillite plate (1).

8. The vehicle lamp load device of claim 6, wherein: The lower part of the front cover plate (4) is provided with a hollow structure (11) for heat dissipation.

9. The vehicle lamp load device of claim 6, wherein: The rear cover plate (3) is provided with wire harness hole (7) and air duct hole (8), the air duct hole (8) corresponds to the fan (6), and the wire harness hole (7) is used for mounting the wire harness of the vehicle lamp load lamp plate (2).

Images