CN204649437U - A kind of car load heat-proof aging environmental test system - Google Patents

Abstract

The utility model discloses a kind of car load heat-proof aging environmental test system, described system comprises infrared lamp array, king light frame, movable lamp rack and temperature control equipment, described king light erection is placed in the top of vehicle to be measured, described movable lamp rack is arranged at the surrounding of vehicle to be measured, many groups infrared lamp array is arranged on king light frame and movable lamp rack respectively, infrared lamp array is electrically connected with temperature control equipment, and temperature control equipment regulates the luminous intensity of infrared lamp array by controlling output current.Hood, car body top cover and luggage-boot lid that infrared lamp array on king light frame treats measuring car heat, infrared lamp array on movable lamp rack heats headstock, the tailstock and vehicle body side, achieves the car load Omnidirectional heating test of vehicle to be measured.

Description

A complete vehicle heat-resistant aging environment test system

technical field

The utility model relates to the field of automobile thermal aging test, in particular to a complete vehicle thermal aging environmental test system.

Background technique

At present, infrared heating technology has been applied to different fields such as process processing, medicine, aerospace, food heating and construction, and has gradually entered the field of product inspection, becoming a means of inspection and gradually playing a significant role.

With the vigorous development of the automobile industry, major domestic automakers are paying more and more attention to the vehicle-level inspection of automobiles. Automobiles in the design verification stage are no longer limited to component testing, and the proportion of finished vehicles that are directly tested is increasing. As a vehicle-level inspection item, the vehicle infrared lamp body heating test has been designated as a must-do item by various car manufacturers, and its market prospect is extremely impressive.

Thermal aging tests on automotive interior parts use infrared lamp heating systems to achieve localized heating. Its implementation method is to use a regular 6×6 geometric matrix to arrange the infrared lamp array and distribute it above the vehicle under test. The current intensity of the infrared lamp in the array is controlled by the circuit, and the light intensity from top to bottom is adjusted to control the surface of the tested part. The purpose of local temperature as well as irradiance intensity. However, the existing vehicle heat-resistant aging environmental test system has the following defects in use:

1. The height of the infrared light stand is not easy to adjust, and the light stand is difficult to move;

2. There is no heating function for the front, rear and sides of the car body, so it is impossible to realize the all-round heating test of the whole car;

3. The temperature of the test area cannot be accurately collected, so that the power of the infrared lamp array cannot be dynamically adjusted, and the dynamic adjustment and precise control of the test temperature cannot be realized.

Utility model content

In order to overcome at least one defect of the above-mentioned prior art, the utility model provides a whole vehicle heat-resistant aging environment test system capable of heating the vehicle to be tested in all directions.

For solving the problems of the technologies described above, the technical scheme of the utility model is as follows:

A heat-resistant aging environment test system for a whole vehicle, the system includes an infrared lamp array, a main light frame, a movable light frame and a temperature control device, the main light frame is arranged above the vehicle to be tested, and the movable light frame The frame is set around the vehicle to be tested, and multiple sets of infrared lamp arrays are respectively set on the main light frame and the movable light frame. The infrared light array is electrically connected with the temperature control device, and the temperature control device adjusts the luminescence of the infrared light array by controlling the output current. strength.

In a preferred solution, the main light frame includes a first infrared lamp installation frame and a plurality of first support rods, the first support rods are perpendicular to the ground, and the first infrared lamp installation frame slides with the first support rods Connected to and perpendicular to the first support rod, the infrared lamp array is arranged on the first infrared lamp installation frame. Since the first infrared lamp installation frame is slidably connected with the first support rod, the height of the first infrared lamp installation frame is easy to adjust.

In a preferred solution, the main lamp frame includes three rectangular first infrared lamp mounting frames arranged side by side, which are respectively arranged above the engine hood, the roof of the vehicle body and the trunk lid of the vehicle to be tested. The corresponding infrared lamp arrays on the first infrared lamp installation frame are respectively responsible for irradiating and heating the engine cover of the vehicle body, the roof cover of the vehicle body and the trunk cover.

In a preferred solution, rollers and support foot cups are installed on the bottom of the first support rod. The first support rod stands on the ground through the support feet and rollers. When the main light stand needs to be moved, the support feet are put away. At this time, the entire main light stand is in contact with the ground only through the rollers, so the whole device can be easily moved .

In a preferred solution, the movable light stand includes a base, a second support rod and a second infrared lamp installation frame, the base is parallel to the ground, and the second support rod is vertically arranged on the upper surface of the base, The second infrared lamp mounting frame is slidably connected with the second support rod and is perpendicular to the base, and the infrared lamp array is arranged on the second infrared lamp mounting frame. Since the second infrared lamp installation frame is slidingly connected with the second support rod, the height of the second infrared lamp installation frame is easy to adjust.

In a preferred solution, there are multiple movable light frames, which are respectively arranged on the front, the rear and the side of the vehicle to be tested. The infrared lamp arrays corresponding to the second infrared lamp installation frame of the movable light frame are respectively responsible for irradiation and heating of the front, rear and side of the vehicle body, so as to realize all-round heating.

In a preferred solution, rollers are installed on the bottom of the base. The setting of the rollers makes the movement of the movable light stand more convenient.

In a preferred solution, the temperature control device includes a temperature sampling module and a temperature control module, the temperature sampling module is electrically connected to the temperature control module, and one or more temperature sampling modules are arranged on the surface of the vehicle to be tested, so The temperature control module is electrically connected with one or more infrared lamp arrays, and the temperature control module adjusts the luminous intensity of the infrared lamp arrays by controlling the output current. The temperature sampling module samples the accurate temperature of the vehicle test area, and the temperature control module adjusts the output current according to the sampled temperature, realizes the dynamic adjustment of the infrared lamp array power, and realizes the dynamic adjustment and precise control of the test temperature.

In a preferred solution, the temperature sampling module includes a temperature probe and a light-tight sampling box, the sampling box is provided with a glass window and wiring holes, the glass window faces the infrared lamp array, and the temperature probe is arranged in the sampling box Inside, the temperature probe is electrically connected to the temperature control module through a wire, and the wire passes through the wiring hole.

In a preferred solution, the temperature control module also includes a human-computer interaction module, the human-computer interaction module is used to display the sampling temperature of the test temperature and the temperature sampling module, and the human-computer interaction module is also used to receive the user's feedback on the test temperature. set up.

Compared with the prior art, the beneficial effects of the technical solution of the utility model are: the utility model vehicle heat-resistant aging environment test system includes an infrared lamp array, a main lamp frame, a movable lamp frame and a temperature control device, and the main lamp The frame is set above the vehicle to be tested, the movable light frame is set around the vehicle to be tested, multiple sets of infrared lamp arrays are respectively set on the main light frame and the movable light frame, and the infrared light array is electrically connected with the temperature control device , the temperature control device adjusts the luminous intensity of the infrared lamp array by controlling the output current. The infrared lamp array on the main light frame heats the engine hood, body roof and trunk lid of the vehicle to be tested, and the infrared lamp array on the movable light frame heats the front, rear and side of the vehicle body, realizing the All-round heating test of the whole vehicle.

Description of drawings

Fig. 1 is a top view of the heat aging environment test system for the whole vehicle of the present invention.

Fig. 2 is a side view of the heat-resistant aging environment test system for the whole vehicle of the present invention.

Fig. 3 is a front view of the heat aging environment test system for the whole vehicle of the present invention.

Fig. 4 is a schematic diagram of the connection of the winch to the light stand through a steel cable.

Fig. 5 is a schematic diagram of the roller and the supporting foot cup.

Fig. 6 is a schematic diagram of movable equivalence.

Fig. 7 is a schematic diagram of the connection between the second infrared lamp installation frame and the second support rod.

Figure 8 is a schematic diagram of a temperature control device.

FIG. 9 is a schematic diagram of a temperature acquisition module.

Among them: 1. Infrared lamp array; 2. Main lamp holder; 3. Movable lamp holder; 4. Temperature control device; 5. Vehicle to be tested; 201. First infrared lamp installation frame; 202. First support rod; 203 , winch; 204, steel cable; 205, fixed pulley; 2021, roller; 2022, support foot cup; 301, base; 302, second support rod; 303, second infrared lamp mounting frame; 401, temperature sampling module; 402, temperature control module; 4011, sampling box; 4012, glass window; 4013, wiring hole.

Detailed ways

The accompanying drawings are for illustrative purposes only and cannot be construed as limiting the patent;

In order to better illustrate this embodiment, some parts in the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product;

For those skilled in the art, it is understandable that some well-known structures and descriptions thereof may be omitted in the drawings.

The technical scheme of the utility model is further described below in conjunction with the accompanying drawings and embodiments.

Example 1

A vehicle heat-resistant aging environment test system, as shown in Figures 1-3, the system includes an infrared lamp array 1, a main light frame 2, a movable light frame 3 and a temperature control device 4, the main light frame 2 Set above the vehicle to be tested 5, the movable light frame 3 is set around the vehicle to be tested 5, multiple sets of infrared lamp arrays 1 are respectively arranged on the main light frame 2 and the movable light frame 3, the infrared light array 1 It is electrically connected with the temperature control device 4, and the temperature control device 4 adjusts the luminous intensity of the infrared lamp array 1 by controlling the output current.

In the specific implementation process, the main light frame 2 includes a first infrared lamp installation frame 201 and a plurality of first support rods 202, the first support rods 202 are perpendicular to the ground, and the first infrared lamp installation frame 201 is connected to the first The support rod 202 is slidably connected and perpendicular to the first support rod 202 , and the infrared lamp array 1 is arranged on the first infrared lamp installation frame 201 . Since the first infrared lamp installation frame 201 is slidingly connected with the first support rod 202, the height of the first infrared lamp installation frame 201 is easy to adjust.

In a specific implementation process, the main lamp frame includes three rectangular first infrared lamp mounting frames arranged side by side, which are respectively arranged above the engine hood, the roof of the vehicle body and the trunk lid of the vehicle to be tested. The corresponding infrared lamp arrays on the first infrared lamp installation frame are respectively responsible for irradiating and heating the engine cover of the vehicle body, the roof cover of the vehicle body and the trunk cover.

In the specific implementation process, the first infrared lamp installation frame adopts an aluminum alloy profile frame structure. According to the length, width and height data of the vehicle model and the space requirements of the temperature measurement test, the length of a single light frame is 4200mm, and the width is 2000mm. Three rectangular light frames are arranged side by side. The total length is 6000mm, the total width is 4200mm, and the height of the first support rod is 4000mm.

In a specific implementation process, as shown in FIG. 4 , rollers 2021 and support foot cups 2022 are installed on the bottom of the first support rod 202 . The first support rod 202 stands on the ground through the supporting foot cup 2022 and the roller 2021. When the main light frame 2 needs to be moved, the supporting foot cup 2022 is put away. At this time, the entire main light frame 2 is only in contact with the ground through the roller 2021. The whole unit can thus be easily pushed and moved.

In a specific implementation process, as shown in FIG. 5 , the main lamp holder 2 further includes a winch 203 , and the winch 203 is connected to the first infrared lamp installation frame 201 through a steel cable 204 and a plurality of fixed pulleys 205 . Turning the winch 203 drives the steel cable 204 to pull the first infrared lamp installation frame 201 to realize the adjustment of the height of the first infrared lamp installation frame 201 . A height-limiting device is installed on the first support rod 202. In this embodiment, the height-limiting device adopts a buffer spring to prevent the impact and shaking of the entire main lamp frame caused by the accidental excessive elevation of the first infrared lamp mounting frame. A support block for supporting the first infrared lamp installation frame 201 is also installed on the first support rod 202. In this embodiment, the support block adopts a rectangular plastic guide block, and the plastic guide block is fixed on the first support rod 202 by screws. Above, the plastic guide block is located under the first infrared lamp installation frame 201, which supports the first infrared lamp installation frame 201, and prevents the first infrared lamp installation frame 201 from slipping due to the loosening of the winch 203 due to thermal expansion and contraction.

In the specific implementation process, reinforcing rods are arranged between the first supporting rods 202, the reinforcing rods are perpendicular to the first supporting rods 202, and the two ends of the reinforcing rods are respectively clamped on two adjacent first supporting rods 202. in the card slot set above. The reinforcement rod serves to fix the first support rod 202 . The infrared lamps in the infrared lamp array 1 are distributed at equal intervals to ensure that the heating area can be evenly heated.

In the specific implementation process, as shown in FIG. 6, the movable light stand 3 includes a base 301, a second support rod 302 and a second infrared lamp installation frame 303, the base 301 is parallel to the ground, and the second support The rod 302 is vertically arranged on the upper surface of the base 301, the second infrared lamp mounting frame 303 is slidingly connected with the second support rod 302 and is perpendicular to the base 301, and the infrared lamp array 1 is arranged on the second infrared lamp mounting frame 303 . Since the second infrared lamp installation frame 303 is slidingly connected with the second support rod 302, the height of the second infrared lamp installation frame 303 is easy to adjust.

In the specific implementation process, the number of the movable lamp holders 3 is multiple, which are respectively arranged on the front, the rear and the side of the vehicle body of the vehicle 5 to be tested. The infrared lamp array 1 corresponding to the second infrared lamp mounting frame 303 of the movable lamp frame 3 is respectively responsible for irradiating and heating the front, the rear and the side of the vehicle body to realize omni-directional heating. Rollers are installed on the bottom of the base 301 . The arrangement of the rollers makes the movement of the movable light stand 3 more convenient.

In the specific implementation process, the shape of the base 301 is rectangular, and rollers are installed at the four corners of the bottom of the base 301. The setting of the rollers makes the movement of the movable lamp holder 3 more convenient. This structure makes the base 301 can keep stable in moving or non-moving state. The movable light stand 3 also includes a winch, which is connected to the second infrared lamp mounting frame 303 through a steel cable, and the rotating winch drives the steel cable to pull the second infrared lamp mounting frame 303 to realize the height of the second infrared lamp mounting frame 303 adjustment.

In a specific implementation process, the second infrared lamp installation frame 303 is rectangular in shape, with a width of 1900 mm, a length of 2000 mm, and a height of 500 mm to 2000 mm from the ground.

In the specific implementation process, the number of the second support rods 302 is multiple, and the present embodiment adopts two second support rods 302, and reinforcing rods are arranged between the second supporting rods 302, and the reinforcing rods and The second support rods 302 are vertical, and the two ends of the reinforcement rods are respectively connected to the tops of the two second support rods 302 . The reinforcement rod serves to fix the second support rod 302, making the entire movable lamp holder 3 more stable.

In the specific implementation process, as shown in Figure 7, the second infrared lamp installation frame 303 is connected with the fixing clip 304 with a cavity inside, and fixed by screws, and the second support rod 302 passes through the cavity In this embodiment, the fixing clip 304 is made of rubber blocks, the second infrared lamp mounting bracket 303 is slidingly connected with the second support rod 302, and the second support rod 302 is stuck in the cavity inside the fixing clip 304, ensuring that the second The two infrared lamp mounting brackets 303 can smoothly move up and down along the second support rod 302 , so as to adjust the height of the infrared lamp array 1 .

In the specific implementation process, as shown in Figure 8, the temperature control device 4 includes a temperature sampling module 401 and a temperature control module 402, the temperature sampling module 401 is electrically connected to the temperature control module 402, one or more temperature sampling modules 401 is set on the surface of the vehicle 5 to be tested. The temperature control module 402 is electrically connected to one or more infrared lamp arrays 1 . The temperature control module adjusts the luminous intensity of the infrared lamp array 1 by controlling the output current. The temperature sampling module 401 samples the accurate temperature of the vehicle test area, and the temperature control module 402 adjusts the output current according to the sampled temperature, realizes the dynamic adjustment of the power of the infrared lamp array 1, and realizes the dynamic adjustment and precise control of the test temperature In this embodiment, the temperature control accuracy of each temperature zone reaches ±3°C, and the maximum surface temperature of the test area reaches 120°C.

In the specific implementation process, as shown in FIG. 9, the temperature sampling module 401 includes a temperature probe and a light-tight sampling box 4011. The sampling box 4011 is provided with a glass window 4012 and a wiring hole 4013. The glass window 4012 faces In the infrared lamp array 1 , the temperature probe is arranged in the sampling box 4011 , and the temperature probe is electrically connected to the temperature control module 402 through a wire, and the wire passes through the wiring hole 4013 . The gap between the glass window 4012 and the sampling box 4011 and the gap between the wire and the wiring hole 4013 are sealed with tinfoil to prevent external factors from interfering with the sampling temperature and ensure the accuracy of the sampling temperature.

In the specific implementation process, the temperature control module 402 also includes a human-computer interaction module, the human-computer interaction module is used to display the test temperature and the sampling temperature of the temperature sampling module 401, and the human-computer interaction module is also used to receive the user's feedback on the test temperature. set up. The human-computer interaction module includes control buttons and a display screen, the control buttons are used to set the test temperature, and the display screen is used to display the test temperature and the sampling temperature of the temperature probe. The temperature control module also includes a storage module, which is used for storing historical setting records of the test temperature.

In a specific implementation process, the temperature sampling module 401 corresponds to the infrared lamp array 1 one by one, and is respectively installed on the engine hood, vehicle roof, trunk lid, front, rear and side of the vehicle 5 to be tested. The temperature sampling module 401 samples the temperature and feeds it back to the temperature control module 402. The temperature control module 402 adjusts the output current according to the sampled temperature to realize the dynamic adjustment of the power of the infrared lamp array 1 .

The utility model vehicle heat-resistant aging environment test system includes an infrared lamp array, a main light frame, a movable light frame and a temperature control device, the main light frame is arranged above the vehicle to be tested, and the movable light frame is arranged on Around the vehicle to be tested, multiple sets of infrared lamp arrays are respectively arranged on the main light frame and the movable light frame. The infrared light array is electrically connected to the temperature control device, and the temperature control device adjusts the luminous intensity of the infrared light array by controlling the output current. The infrared lamp array on the main light frame heats the engine hood, body roof and trunk lid of the vehicle to be tested, and the infrared lamp array on the movable light frame heats the front, rear and side of the vehicle body, realizing the All-round heating test of the whole vehicle.

Example 2

This embodiment provides a specific implementation of the vehicle heat-resistant aging environment test on the basis of Example 1. The test process includes the following steps:

S1: Turn the handle of the winch on the main light stand, lower the first infrared lamp installation frame to the lowest height, put away the supporting foot cup at the bottom of the first support rod of the main light stand, and move the main light stand to the 270-cubic walk-in In the designated area of the high and low temperature humidity and heat laboratory, the laboratory simulates the ambient temperature of the whole vehicle under the light required for the test.

S3: Adjust the height of the first infrared lamp installation frame, fix the plastic guide block on the first support rod through screws, the plastic guide block is located under the first infrared lamp installation frame, and supports the first infrared lamp installation frame.

S4: Take out the fuel in the fuel tank of the vehicle to be tested, move the vehicle to be tested to the bottom of the first infrared lamp mounting frame of the main light frame, allow a small amount of fuel to remain in the vehicle to be tested, and strictly follow the corresponding specifications when performing oil pumping operations.

S5: Turn the handle of the winch on the movable light stand, lower the second infrared lamp installation frame to the lowest height, and set up three movable light stands side by side on both sides of the vehicle to be tested, and one movable light stand at the front and rear of the vehicle Light frame, adjust the second infrared light mounting frame to an appropriate height.

S6: Set 11 sampling boxes on the surface of the vehicle to be tested at the positions corresponding to the 11 sets of infrared lamp arrays, and fix the wires with high temperature and low temperature resistant tapes such as tinfoil, black tape or yellow tape.

S7: Turn on the power supply, set the test temperature to 100°C through the button, start the infrared lamp array, check whether the infrared lamps in the infrared lamp array are all bright, stop the circuit inspection or replace the infrared lamps that are not on.

S8: Set the test temperature and test time of each infrared lamp array sequentially through the human-computer interaction module, and start the infrared lamp array to perform infrared heating on each test area of the vehicle to be tested respectively.

S9: The temperature probe samples the temperature of each test area, and compares the sampling temperature with the temperature required by the sampling box. For example, the Nissan corporate standard stipulates that the temperature required by the sampling box is 115°C. Set temperature to adjust.

S10: After the test is over, turn off all the infrared lamp arrays, turn off the power supply, and move the vehicle out.

The same or similar labels correspond to the same or similar components; the terms describing the positional relationship in the drawings are only for illustrative purposes and cannot be interpreted as limitations on this patent;

Apparently, the above-mentioned embodiments of the present utility model are only examples for clearly illustrating the present utility model, rather than limiting the implementation manner of the present utility model. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the utility model shall be included in the protection scope of the claims of the utility model.

Claims (10)

1. a car load heat-proof aging environmental test system, it is characterized in that, described system comprises infrared lamp array, king light frame, movable lamp rack and temperature control equipment, described king light erection is placed in the top of vehicle to be measured, described movable lamp rack is arranged at the surrounding of vehicle to be measured, many groups infrared lamp array is arranged on king light frame and movable lamp rack respectively, and infrared lamp array is electrically connected with temperature control equipment, and temperature control equipment regulates the luminous intensity of infrared lamp array by controlling output current.

2. car load heat-proof aging environmental test system according to claim 1, it is characterized in that, described king light frame comprises the first infrared lamp erecting frame and multiple first support bar, described first support bar is perpendicular to the ground, first infrared lamp erecting frame and the first support bar are slidably connected and perpendicular to the first support bar, described infrared lamp array is arranged on the first infrared lamp erecting frame.

3. car load heat-proof aging environmental test system according to claim 2, is characterized in that, described king light frame comprises the first infrared lamp erecting frame of 3 rectangles side by side, is arranged at the top of the hood of vehicle to be measured, car body top cover and luggage-boot lid respectively.

4. car load heat-proof aging environmental test system according to claim 2, is characterized in that, is provided with roller and feet cup bottom described first support bar.

5. car load heat-proof aging environmental test system according to claim 1, it is characterized in that, described movable lamp rack comprises pedestal, the second support bar and the second infrared lamp erecting frame, described pedestal is parallel to the ground, second support bar is vertically installed in pedestal upper surface, second infrared lamp erecting frame and the second support bar are slidably connected and perpendicular to pedestal, described infrared lamp array is arranged on the second infrared lamp erecting frame.

6. car load heat-proof aging environmental test system according to claim 5, is characterized in that, the number of described movable lamp rack is multiple, is arranged at the headstock of vehicle to be measured, the tailstock and vehicle body side respectively.

7. car load heat-proof aging environmental test system according to claim 5, it is characterized in that, described base bottom is provided with roller.

8. car load heat-proof aging environmental test system according to claim 1, it is characterized in that, described temperature control equipment comprises temperature sampling module and temperature control modules, described temperature sampling module is electrically connected with temperature control modules, one or more temperature sampling module installation is in the surface of vehicle to be measured, described temperature control modules is electrically connected with one or more infrared lamp array, and temperature control modules regulates the luminous intensity of infrared lamp array by controlling output current.

9. car load heat-proof aging environmental test system according to claim 8, it is characterized in that, described temperature sampling module comprises temp probe and lighttight sampling box, described sampling box is provided with windowpane and wiring hole, windowpane is towards infrared lamp array, temp probe is arranged in sampling box, and temp probe is electrically connected with temperature control modules by wire, and wire is through described wiring hole.

10. car load heat-proof aging environmental test system according to claim 8, it is characterized in that, described temperature control modules also comprises human-computer interaction module, human-computer interaction module is for showing the sample temperature of probe temperature and temperature sampling module, and human-computer interaction module is also for receiving the setting of user to probe temperature.