JPH0652225B2 - Complex environment test equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

The present invention relates to various electric and electronic devices,
Environmental test equipment used for examining the effect of temperature or temperature and humidity by exposing the parts, articles such as automobiles, the parts, various materials, etc. to a constant temperature or constant temperature and humidity atmosphere, and the equipment, articles, Equipped with a vibration tester used to check the vibration resistance of parts, materials, etc. by applying vibration to them, environmental tests and vibration tests are performed independently, or a combined environmental test to perform a combined test by combining both. Regarding the device.

[0002]

2. Description of the Related Art Conventionally, as this type of composite environment test apparatus, for example, the one disclosed in Japanese Patent Publication No. 54-6380 is known. This device has a vibration test device located below the test tank of the environmental test device.The test tank can open and close only its front surface, and the vibration test device vibrates from the front edge to the back on the bottom wall of the test tank. By providing a recess into which the shaft can be inserted and removed, either one of the test tank and the vibration test device can be moved along the rail, and one can be moved to the other along the rail to move the excitation shaft to the recess. It can be placed in the test tank.

When the vibrating shaft is inserted into the recess of the bottom wall of the test tank, a lid is further inserted into the recess entrance portion after the insertion so as to be buried. Further, for example, as shown in FIG. 4, there is also known a composite environment test apparatus that applies a vibration to each wheel of an automobile to perform a vibration test and simultaneously perform an environment test. The composite environmental test apparatus of FIG. 4 has a plurality of detachable panels 93 that can be fitted in a part of the floor 92 of the environmental test apparatus 91 to change the state.
The vibration part 9 of the vibration testing device is formed on one panel 93.
4 is connected, the position of the vibrating portion 94 can be adjusted by changing the arrangement of the panel 93 according to the DUT.

[0004]

However, Japanese Patent Publication No. 54-
In the composite environment test apparatus disclosed in Japanese Patent No. 6380, it is not possible to adjust the vibration axis position in the environment test apparatus according to the DUT. In addition, in the above-mentioned composite environment test apparatus for automobiles, the position of the vibrating section 94 can be adjusted, but the panel 93
Air leaks and condensation may occur from the joints of the
In addition to the problem that it becomes difficult to change the combination of 3 and the position of the vibrating portion 94 can be adjusted only within a limited range in which the panel 93 can be changed.

Therefore, the present invention provides a composite environment test apparatus in which the position of the vibration part of the vibration test apparatus in the environment test apparatus can be arbitrarily adjusted according to the object to be tested and there is no or little air leakage. The purpose is to provide.

[0006]

According to the above-mentioned object, the present invention provides a composite environmental test apparatus combining an environmental test apparatus and at least one vibration test apparatus, wherein the environmental test apparatus comprises at least one of the vibration test apparatuses. The opening of the floor through which the vibration part is passed, a moving panel for closing the opening, and a peripheral part of the moving panel, which is brought into contact with the floor by lowering the opening and the inside of the environmental test device. At least one of the vibration testing device is provided with a sealing member for shutting off and a means for lifting the moving panel so as to separate the sealing member from the floor and moving the position for position adjustment. The composite is characterized in that the vibrating portion is provided so as to be adjustable in position together with the moving panel that closes the opening through the corresponding opening, with the panel being adjusted. To provide a boundary test equipment.

[0007]

According to the composite environment test apparatus of the present invention, the position adjustment of the vibration section of the vibration test apparatus can be performed as follows. That is, lift the moving panel to which the vibration unit of the vibration test device is connected,
The seal member on the panel is separated from the floor of the environmental testing device. Next, the panel and the vibrating section are moved within the range of the opening of the floor of the environmental testing device, and the vibrating section is made to correspond to the DUT.

When the vibrating section has been moved to the predetermined position, the moving panel is lowered to bring the sealing member of the panel into contact with the floor section to prevent air leakage from the floor opening. The desired test is thus performed.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. The illustrated combined environmental test device is capable of performing an environmental test while applying vibration to each wheel of an automobile. FIG. 1 is an overall cross-sectional view, FIG. 2 is a plan view of a main part including a floor portion of an environmental test device, and FIG. 3 is an explanatory view showing a lifted and lowered state of a moving panel.

This composite environmental testing device comprises an environmental testing device 1 and two vibration testing devices 3 for the front wheels and two vibration testing devices 4 for the rear wheels of the vehicle combined with the environmental testing device 1. The environment test apparatus 1 is entirely surrounded by a heat insulating wall, and is configured so that the vehicle 5 can be put in and taken out by opening and closing the door 10. An air conditioner 11 is provided inside the environment test apparatus 1, and a humidifier 12, a cooler 13, a heater 14 and an air stirring fan 15 are arranged in this order from bottom to top in the air conditioner. An air blowout port 16 faces the humidifier 15, and an air suction port 17 faces the humidifier 12.

The floor 21 of the apparatus 1 is provided with two openings 21a, 21a corresponding to the two vibration test apparatuses 3, 3 and two openings 21b corresponding to the two vibration test apparatuses 4, 4. , 21b are provided. A moving panel 22 is provided on the floor 21 to cover the openings 21a and closes the openings 21a, and a moving panel 23 is provided to close the openings 21a to close the openings 21a.

An elastic seal member S1 is provided around the lower surface of the peripheral portion of each moving panel 22. Further, the lower surface of each of the four corners of the panel 22 is provided with a recess 221 having a lower end opening at a position closer to the opening 21a than the seal member S1, and an air cylinder A1 is fixed to each recess. A ball caster C1 capable of contacting the upper surface of the floor 21 is provided at the tip of the piston rod of the cylinder.

On the other hand, an elastic seal member S2 is also provided around the lower surface of the peripheral portion of each moving panel 23. Further, in each of the four corners of the panel, a recess 231 having a lower end opening is provided at a position closer to the opening 21b than the seal member S2, and an air cylinder A2 is fixed to the recess. A ball caster C2 capable of contacting the upper surface of the floor portion 21 is provided at the tip of the piston rod of the cylinder.

As shown in FIG. 1, the main body of each vibration testing device 3 for the front wheels is supported by a table 33 and is reciprocally driven in the left-right direction X (see FIG. 2) of the vehicle by a driving means (not shown). It has become. Further, the table 33 is supported on the table 34, and is reciprocally driven in the vehicle front-rear direction Y by a driving means (not shown).

The vibrating shaft 31 of the vibration test apparatus 3 penetrates through the opening 21a in the floor portion 21 of the environmental test apparatus 1 and further penetrates through the moving panel 22 and projects upward, and the upper end of the front wheel 51 of the automobile. There is provided a member 32 for supporting the. On the other hand, each of the vibration testing devices 4 for the rear wheels of the automobile is supported by the table 43, and is driven to reciprocate in the left-right direction X of the automobile by a driving means not shown.

The vibrating shaft 41 of the device 4 penetrates the floor opening 21b of the environmental testing device 1 to reach the moving panel 23, further penetrates it and projects upward, and supports the rear wheel 52 of the automobile at the upper end. A member 42 is provided. Further, a wheel traveling base 222 is provided at the front of each moving panel 22, and an inclined base 223 is connected to the traveling base. A car stop 232 is provided upright at the rear of each rear moving panel 23. The rear moving panel 2 adjacent to the rear of each moving panel 22
A slide base 24 extending in the direction of 3 is provided.

Each slide base 24 is provided with two comb-shaped portions 241 (combined state is omitted in the figure) and 242 which are fitted to each other and can expand and contract. Both ends of the comb-shaped portion 241 are supported on the moving panel 22 via the supporting members 243 and can move together with the panel. On the other hand, the comb-shaped portion 242 has a ball caster 24 at its front end.
4 is supported on the upper surface of the moving panel 22, and the rear end portion is supported on the upper surface of the moving panel 23 at the rear via the ball casters 245. The ball caster 245 can move along the rail 246 provided on the upper surface of the moving panel 23 in the vehicle left-right direction X, and therefore the comb-shaped portion 242 can move in the vehicle width direction X with respect to the moving panel 23.
The vehicle cannot move in the Y-direction.

According to the complex environment testing device described above,
Prior to conducting the test, the wheel support member 3 of each vibration test device
The positions of 2 and 42 are adjusted as follows according to the wheel spacing. That is, in each moving panel 22, as shown in FIG. 3, the piston rod of each air cylinder A1 is made to project, whereby the ball caster C1 is made to project below the recess 221, and the moving panel 22 is moved by the ball caster.
Support and lift this. By this lifting operation, the seal member S that has been in contact with the upper surface of the floor portion 21 until then.
1 is separated from the upper surface of the floor portion 21, and thus the panel 22 becomes movable by the ball casters C2.

In this state, each of the vibration test devices 3 is moved in the X direction on the table 33 as needed, and the table 33 is moved in the Y direction on the table 34 as necessary to move the position of the wheel support member 32. decide. Also, the device 3
The moving panel 22 is urged by the vibrating shaft 31 to move as required. When the position adjustment of the wheel support member 32 is completed, the piston rod of the air cylinder A1 is retracted, and the ball caster C1 is retracted into the recess 221.
Thus, the moving panel 22 descends due to its own weight, the sealing member S1 on the lower surface of the periphery comes into airtight contact with the upper surface of the floor portion 21,
Prevent air leaks.

On the other hand, in each of the rear moving panels 23 as well, the piston rod of the air cylinder A2 is projected to project the ball casters C2 onto the upper surface of the floor portion 21, whereby the moving panel 23 is lifted and brought into a movable state. . In this state, each vibration test device 4 is moved on the table 43 in the X direction as needed to adjust the position of the device 4,
The wheel support member 42 is arranged at a predetermined position. After that, the piston rod of each air cylinder A2 is retracted, and the ball caster C2 is retracted into the recess 231. As a result, the moving panel 23 descends, the sealing member S2 on the lower surface of the peripheral portion thereof comes into air-tight contact with the upper surface of the floor portion 21, and air leakage is prevented.

In the above operation, each slide base 24 can be moved in the X direction as a whole together with the moving panel 22, and can be expanded / contracted appropriately by moving the moving panel 22 in the Y direction. Thus, the slide base 24 is always placed between the front wheel support member 32 and the rear wheel support member 42. When the above preparations are completed, the vehicle is placed in the environmental test device 1 and its front wheels 51
On the wheel support member 32, and the rear wheel 52 on the wheel support member 42.
A predetermined vibration test and an environmental test can be performed simultaneously by placing it on top and closing the door 10.

The openings 21a, 2 in the floor of the environmental test equipment
1b and the sizes of the moving panels 22 and 23 corresponding thereto, and the mounting positions of the seal member and the air cylinders and the ball casters in each moving panel are set in the openings 21a and 21b in the vibrating shaft 3 of the vibration test apparatus.
Within the range in which 1 and 41 move for position adjustment, they are provided so as not to protrude into the opening and always face the upper surface of the floor portion 21.

In the embodiment described above, the vibration test and the environmental test can be conducted at the same time, but if necessary, only the environmental test or only the vibration test may be conducted. Further, the present invention is not limited to the above-mentioned embodiment, and can be applied to a composite environment test device for testing articles, parts, materials, etc. other than automobiles, in which case there are less than four vibration test devices. Alternatively, it can be a large number.

Further, when a plurality of vibration testing devices are provided, it is not always necessary that the vibrating parts of all the vibration testing devices be positionally adjustable.

[0025]

As described above, according to the present invention, there is provided a combined environmental test device in which the environmental test device and the vibration test device are combined, and the position of the vibration part of the vibration test device in the environmental test device is tested. It is possible to provide a complex environmental test apparatus that can be easily adjusted according to the object and within the range of the opening provided in the floor of the environmental test apparatus, and that has no or little air leakage.

[Brief description of drawings]

FIG. 1 is an overall sectional view of an embodiment of the present invention.

FIG. 2 is a plan view of a main part including a floor part of the environmental test device.

FIG. 3 is an explanatory diagram showing a lifted and lowered state of a moving panel.

FIG. 4 is an explanatory diagram of a conventional example.

[Explanation of symbols]

 1 Environmental Testing Equipment 21 Floors 21a, 21b Openings 22 Moving Panel 221 Recess S1 Sealing Member A1 Cylinder C1 Caster 23 Moving Panel 231 Recessing S2 Sealing Member A2 Air Cylinder C2 Ball Caster 3, 4 Vibration Testing Equipment 31, 41 Excitation Shaft 32, 42 Wheel support member

Claims (1)

[Claims] 1. A combined environmental test apparatus comprising a combination of an environmental test apparatus and at least one vibration test apparatus, wherein the environmental test apparatus has an opening in a floor portion through which a vibrating section of the at least one vibration test apparatus passes. A moving panel for closing the opening, a sealing member provided in the peripheral part of the moving panel and contacting the floor when the panel descends to shut off the opening from the inside of the environmental test device, and the moving panel,
Means for lifting the seal member away from the floor and moving it for position adjustment,
At least one of the vibration test devices is characterized in that the vibrating portion is provided so as to be adjustable in position together with the moving panel that closes the opening through the corresponding opening. Complex environmental test equipment.