Lamp optical test system with temperature control

Abstract

The utility model relates to the technical field of automobile lamp testing, and discloses a lamp optical testing system with temperature control, which comprises a computer, a light intensity acquisition and conversion probe and an operation module, the operation module comprises a rack, an integrated box body and a temperature control device, the temperature control device comprises a cold and hot air blower, an air inlet pipe and an air return pipe, and the air return pipe is connected with the integrated box body. The integrated box body is arranged on the machine frame, a tool is arranged in the integrated box body, a pair of connecting holes are formed in the portions, located on the two sides of the tool, of the integrated box body respectively, one end of the air inlet pipe and one end of the air return pipe are both connected with the temperature control device, and the other end of the air inlet pipe and the other end of the air return pipe are connected with the interior of the integrated box body through the connecting holes. A glass cover is arranged on the side, right facing the light intensity collecting and converting probe, of the integrated box body. According to the utility model, through independent control cooperation of the computer, the integrated box body and the temperature, optical performance tests of the lamp at different temperatures can be realized according to actual use conditions of a vehicle, and future light distribution test requirements of the lamp are met.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile lamp testing, in particular to a lamp optical testing system with temperature control. Background Art

[0002] Automotive lamps are the eyes of a car. With the rapid development of new energy vehicles, the appearance of automotive lamps is becoming more and more streamlined, and the functions are becoming more and more diversified, intelligent, and information-based. At the same time, the reliability requirements of the lamp functions of various OEMs are getting higher and higher. Each new project needs to be verified for reliability performance, especially the regulatory optical performance test, which is increasingly valued by the OEMs. However, the existing technology often ignores the actual application environment of automotive lamps when conducting optical performance tests on automotive lamps. Due to regional and seasonal differences, the outdoor ambient temperature varies greatly, resulting in a lack of pertinence in the test environment, which easily causes a large difference between the test environment and the actual application environment, making it difficult for the test results to accurately reflect the performance of the lamp under actual working conditions, which may lead to an erroneous evaluation of the optical performance. Therefore, it is necessary to design an optical test system that can perform temperature adjustment to simulate the actual application environment of automotive lamps. Utility Model Content

[0003] The purpose of the utility model is to provide a lamp optical testing system with temperature control to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lamp optical test system with temperature control, which is used for testing the optical performance of lamps, comprising a computer, a light intensity collection and conversion probe and an operation module, wherein the light intensity collection and conversion probe and the operation module are all connected to the computer, the operation module comprises a rack, an integrated box and a temperature control device, the temperature control device comprises a hot and cold air blower, an air inlet duct and a return air duct, the integrated box is arranged on the rack, a tooling for placing and supporting the lamp is provided in the integrated box, a pair of connecting holes are respectively provided on the integrated box located on both sides of the tooling, one end of the air inlet duct and the return air duct are connected to the temperature control device, and the other end is connected to the inside of the integrated box through the connecting hole, and a glass cover is provided on the side of the integrated box facing the light intensity collection and conversion probe.

[0005] The following improvements are made in the present application: a bottom plate is provided at the bottom end of the integrated box, and the bottom plate is connected and fixed to the integrated box by a right-angle lock; a mounting table is provided on the frame, and mounting holes are evenly distributed on the mounting table; bolt holes matching the mounting holes are opened on the bottom plate.

[0006] The following improvement is made in the present application: a heat-insulating cloth is bonded around the light-emitting surface of the lampshade of the lamp, and the outer end of the heat-insulating cloth is connected to the inner wall of the integrated box.

[0007] The following improvements are made in the present application: an upper partition rib is provided at the top of the integrated box directly above the lamp, a Velcro is provided on the bottom plate, the heat insulation cloth above the lamp is connected to the upper partition rib, and the heat insulation cloth below the lamp is connected to the Velcro.

[0008] The following improvement is made in the solution of the present application: the tooling includes a support frame and a slide rail, the slide rail is fixedly mounted on the bottom plate, and the support frame is slidably connected to the slide rail.

[0009] The following improvement is made in the solution of the present application: an opening matching with the glass cover is opened on the integrated box, the glass cover is embedded in the opening, and a sealing gasket layer is provided between the glass cover and the opening.

[0010] The following improvements are made in the present application: a handle is provided on the glass cover, a quick press head is provided between the integrated box and the glass cover, and the glass cover is connected to the integrated box through the quick press head.

[0011] Compared with the prior art, the utility model provides a lamp optical test system with temperature control, which has the following beneficial effects:

[0012] 1. The utility model optimizes the test method through the compilation of computer software, the ingenious design of the integrated box and the independent control of temperature. According to the actual use conditions of the vehicle or the test standard requirements, the temperature in the integrated box can be adjusted by connecting the connection holes on both sides of the tooling to the temperature control device, so that the optical performance test of the lamp can be carried out at different temperatures to meet the future light distribution test requirements of the lamp.

[0013] 2. The utility model separates the internal area of ​​the integrated box by arranging a flexible heat-insulating cloth, realizes separate temperature control of the front and rear sides of the lamp, compares the optical test results with warm and normal temperatures, and comprehensively obtains more accurate test results. The temperature control device is connected to the integrated box by means of an external flexible pipe, which greatly reduces the weight of the box and ensures the normal operation of the test system. At the same time, the glass cover is connected to the integrated box by a quick press head and a sealing gasket layer, which is easy to disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a structural diagram of the integrated box;

[0016] Figure 3 This is a cross-sectional view of the integrated box.

[0017] In the figure: 1. Computer; 2. Light intensity collection and conversion probe; 3. Rack; 31. Installation table; 4. Integrated box; 41. Tooling; 42. Connection hole; 43. Glass cover; 431. Handle; 44. Bottom plate; 441. Velcro; 45. Right-angle lock; 46. Upper partition; 47. Insulation cloth; 48. Quick press head; 5. Hot and cold air blower; 6. Air inlet duct; 7. Return air duct; 8. Lamps; 9. Sealing pad. DETAILED DESCRIPTION

[0018] The technical solution in the embodiment of the present invention will be described below in conjunction with the accompanying drawings in the embodiment of the present invention:

[0019] like Figure 1-3 As shown, a lamp optical test system with temperature control is used for optical performance test of lamp 8, which is mainly composed of computer 1, light intensity collection and conversion probe 2 and operation module, wherein light intensity collection and conversion probe 2 and operation module are connected to computer 1, computer 1 edits the program according to the measurement points and limit requirements of the regulations, sets the lighting voltage and time of lamp 8, and then provides the operation module with the operation program, measurement voltage and lighting rhythm of optical measurement through computer 1, the operation module runs according to the input position, and each time it runs to a position, the light intensity collection and conversion probe 2 collects a data and transmits it to computer 1, until all positions in the program are completed, and finally computer 1 generates corresponding optical measurement report according to the collected results.

[0020] The operation module includes a rack 3, an integrated box 4 and a temperature control device, the temperature control device includes a hot and cold air blower 5, an air inlet duct 6 and a return air duct 7, the integrated box 4 is arranged on the rack 3, and a bottom plate 44 is provided at the bottom end thereof, the bottom plate 44 is made of bakelite material with a heat insulation function, and is connected and fixed to the integrated box 4 through a right-angle lock 45, and a mounting table 31 is provided on the rack 3, the mounting table 31 is evenly distributed with mounting holes, and the bottom plate 44 is provided with bolt holes matching the mounting holes, the integrated box 4 is installed on the table as a whole and operates according to the information provided by the computer 1; a tooling 41 for placing and supporting the lamp 8 is provided in the integrated box 4, the tooling 41 includes a support frame and a slide rail, and the slide rail is fixedly installed on the bottom plate , the support frame is slidably connected to the slide rail, and a wire hole is opened on the integrated box 4. The connecting plug of the lamp 8 connects the lamp 8 to the external power supply through the wire hole to light up the various functions of the lamp 8; a pair of connecting holes 42 are respectively opened on the integrated box 4 on the left and right sides of the tooling 41, one end of the air inlet duct 6 and the return air duct 7 are connected to the hot and cold air blower 5, and the other end is connected to the inside of the integrated box 4 through the connecting hole 42, and a sealing ring is used at the connection to ensure its sealing. A heat-insulating cloth 47 is bonded around the luminous surface of the lampshade of the lamp 8, an upper partition rib 46 is provided at the top of the integrated box 4 directly above the lamp 8, and a Velcro 441 is provided on the bottom plate 44. The heat-insulating cloth 47 above the lamp 8 is connected to the upper partition rib 46, and the heat-insulating cloth 47 below the lamp 8 is connected to the upper partition rib 46. The heat-insulating cloth 47 is connected to the Velcro 441, and the outer ends of the heat-insulating cloth 47 on both sides of the lamp 8 are connected to the inner wall of the integrated box 4. The interior of the integrated box 4 is divided into two areas by the heat-insulating cloth 47, and a pair of connecting holes 42 correspond to the shell side and the lampshade side of the lamp 8 respectively. The number of the air inlet duct 6 and the air return duct 7 are both two, which are the lampshade side air inlet duct, the shell side air inlet duct and the lampshade side return duct, and the shell side return duct. The lampshade side air inlet duct is connected to the left front side hole, the lampshade side return duct is connected to the right front side hole, the shell side air inlet duct is connected to the left rear side hole, and the shell side return duct is connected to the right rear side hole. According to the test conditions, temperature control devices are set on the lampshade side and the shell side of the lamp, such as: 23°C on the lampshade side and 80°C on the shell side. The temperature control requirements of the lamp shade side and the shell side are respectively met, and the movable support frame drives the lamp 8 to move forward and backward, so that the heat insulation cloth 47 can fit the lamps with different outer surface contours; a glass cover 43 is provided on the side of the integrated box 4 facing the light intensity collection and conversion probe 2, so that the light intensity collection and conversion probe 2 can collect the light intensity emitted by the lamp 8, and convert the light intensity signal into an electrical signal, and the corresponding electrical signal is transmitted to the computer 1 for analysis, and the optical test result is output; the integrated box 4 is used to simulate the loading state of the lamp, and through the sealing structure, heat insulation measures and the coordinated setting of the cold and hot fans 5, the temperature of the lamp shade side and the shell side of the lamp are controlled separately according to the actual working conditions or standard requirements, so as to realize the setting and control of a specific temperature.

[0021] When conducting optical tests on automobile lamps, the integrated box 4 is fixed to the mounting table 31 of the frame 3 by bolts through the fixing holes of the bottom plate 44. The lamp 8 is first assembled on the support frame according to the specified position, and the support frame is moved on the slide rail to drive the lamp 8 to move back and forth. The upper partition rib 46 and the heat insulation cloth 47 are adjusted to connect with the upper edge of the lamp 8 to independently separate the space on the lampshade side and the shell side of the lamp.

[0022] An opening matching with the glass cover 43 is provided on the integrated box 4, the glass cover 43 is embedded in the opening, and a sealing gasket layer 9 is provided between the glass cover 43 and the opening, and a handle 431 is provided on the glass cover 43, a quick pressing head 48 is provided between the integrated box 4 and the glass cover 43, and the glass cover 43 is connected to the integrated box 4 via the quick pressing head 48. At the same time, in order to ensure that the surface of the glass cover 43 is not frosted under low temperature conditions, a frame with a heating function can be provided around the glass cover 43 to improve the accuracy of the optical test results.

[0023] After the test, the optical measurement report generated in the computer 1 is output, and the influence ratio of the glass cover 43 on each lamp 8 and the test value under the condition of temperature obtained by the test are calculated according to the relevant data required by the regulations, and the optical test report of the automobile lamp without the glass cover 43 under the condition of temperature is calculated.

[0024] The above embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Claims

1. A lamp optical testing system with temperature control, used for testing the optical performance of a lamp (8), characterized in that: The invention comprises a computer (1), a light intensity collection and conversion probe (2) and an operation module, wherein the light intensity collection and conversion probe (2) and the operation module are both connected to the computer (1), the operation module comprises a frame (3), an integrated box (4) and a temperature control device, the temperature control device comprises a cold and hot air blower (5), an air inlet pipe (6) and a return air pipe (7), the integrated box (4) is arranged on the frame (3), a tool (41) for placing and supporting the lamp is arranged inside the integrated box (4), a pair of connection holes (42) are respectively opened on the integrated box (4) located on both sides of the tool (41), one end of the air inlet pipe (6) and the return air pipe (7) are both connected to the cold and hot air blower (5), and the other end is connected to the inside of the integrated box (4) through the connection hole (42), and a glass cover (43) is arranged on the side of the integrated box (4) facing the light intensity collection and conversion probe (2).

2. The lamp optical test system with temperature control according to claim 1, characterized in that: The bottom end of the integrated box (4) is provided with a bottom plate (44), the bottom plate (44) is connected and fixed to the integrated box (4) through a right-angle lock (45), the frame (3) is provided with a mounting table (31), the mounting table (31) is evenly distributed with mounting holes, and the bottom plate (44) is provided with bolt holes matching the mounting holes.

3. The lamp optical test system with temperature control according to claim 2, characterized in that: A heat-insulating cloth (47) is bonded around the light-emitting surface of the lampshade of the lamp (8), and the outer end of the heat-insulating cloth (47) is connected to the inner wall of the integrated box (4).

4. The lamp optical testing system with temperature control according to claim 3, characterized in that: An upper partition rib (46) is provided at the top of the integrated box (4) located directly above the lamp (8), a Velcro (441) is provided on the bottom plate (44), the heat insulation cloth (47) located above the lamp (8) is connected to the upper partition rib (46), and the heat insulation cloth (47) located below the lamp (8) is connected to the Velcro (441).

5. The lamp optical testing system with temperature control according to claim 2, characterized in that: The tooling (41) comprises a support frame and a slide rail, wherein the slide rail is fixedly mounted on a bottom plate (44), and the support frame is slidably connected to the slide rail.

6. The lamp optical testing system with temperature control according to claim 1, characterized in that: The integrated box (4) is provided with an opening that matches the glass cover (43), the glass cover (43) is embedded in the opening, and a sealing pad layer (9) is provided between the glass cover (43) and the opening.

7. The lamp optical testing system with temperature control according to claim 5, characterized in that: The glass cover (43) is provided with a handle (431), a quick pressing head (48) is provided between the integrated box (4) and the glass cover (43), and the glass cover (43) is connected to the integrated box (4) via the quick pressing head (48).

Images