JP7066659B2 - Environmental test equipment and test room members - Google Patents

Description

The present invention relates to an environmental test apparatus capable of exposing a specimen to a predetermined environment, and more particularly to an environmental test apparatus having a function of giving vibration to the specimen.
The present invention also relates to a laboratory member used when carrying out a vibration composite environmental test.

Environmental testing is one of the methods for evaluating the performance of products. An environmental test is to place a product in a specific environment and test changes in performance and the like. Environmental tests may be performed using a device called an environmental test device.
The environmental test equipment has a test room in which the specimen is installed. The environmental test device is a device that artificially creates a desired environment such as a high temperature environment, a low temperature environment, high humidity and low humidity in the test chamber.
As one of the environmental test devices, there is a device called a vibration composite environmental test device. The vibration composite environment test device has a function of vibrating the test object in addition to a function of creating an environment such as a desired temperature.

Some vibration composite environmental test devices have the vibration generator itself installed in the test room. In some cases, the main body of the vibration generator is installed outside the test room, and only the vibration table of the vibration generator is installed in the test room.
In either configuration, the test chamber itself is fixed and does not vibrate. That is, the test room is a space whose circumference is covered with a wall, and the space itself is fixed to the structure and does not move. In the conventional vibration composite environment test device, the vibration table vibrates in the test space to vibrate the specimen.

Utility Model Registration No. 2578999 (Actual Kaihei 6-53958)

The conventional vibration composite environmental test equipment is large-scale and has a high manufacturing cost.
In the market, it is desired to develop a vibration composite environmental test device having a simpler structure.
The present invention pays attention to the above-mentioned points of the prior art, and an object of the present invention is to provide a vibration composite environment test apparatus having a simple structure.

A mode for solving the above-mentioned problems is to connect the vibration generating means, the test chamber member having a space for accommodating the specimen inside, the air conditioning means installed outside the test chamber member, and the air conditioning means. An environmental test apparatus having the above-mentioned piping member, wherein the test room member has an upper side member and a bottom member, and the upper side member has at least one of a side wall and a top surface wall. The upper side member is removable from the bottom member and has a holding member for holding a part of the piping member or a ventilation member extending the piping member, and the holding member is provided on the bottom member. The piping member or the ventilation member penetrates the side wall, and the bottom member is directly or indirectly fixed to the vibration generating means, and the vibration generating means is driven to drive the test chamber. It is an environmental test device characterized in that the entire member vibrates.

In the environmental test apparatus of this embodiment, a holding member is provided on the bottom member of the test chamber member. A part of the piping member or the ventilation member is held by the holding member.
Therefore, the air whose temperature or the like is adjusted by the air conditioning means is supplied to the space inside the test room member via the piping member or the like.
In the environmental test apparatus of this embodiment, since the air conditioning means is installed outside the test room member, in principle, there is no air conditioning device on the test room member side, and the test room member is relatively light. In addition, there are few devices in the test room that are prone to failure due to vibration.
In the environmental test apparatus of this embodiment, the upper member is removable from the bottom member. Further, the piping member and the ventilation member, which are members connected to the outside, are fixed to the bottom member via the holding member. Therefore, the upper member can be removed while the piping member is still connected, and the specimen can be taken in and out of the test room member.
In the environmental test apparatus of this embodiment, the test chamber members constituting the test chamber are directly or indirectly fixed to the vibration generating means. Therefore, the structure of the environmental test apparatus of this embodiment is extremely simple.
In the environmental test apparatus of this embodiment, the entire test chamber member can be vibrated by the vibration generating means, and the internal specimen can be vibrated under a desired environment.

In the above aspect, it is desirable that the upper member has the top wall and includes at least a part of the plurality of side walls surrounding the space.

According to this aspect, since the upper side member has a plurality of wall surfaces, the bottom member is largely exposed when the upper side member is removed, and the specimen can be easily taken in and out.

In the above embodiment, the ventilation member is held by the holding member, and the ventilation member has an inner opening that opens inside the test chamber member and an outer opening that opens to the outside of the test chamber member. desirable.

In this embodiment, the piping member is connected to the outer opening of the ventilation member. According to this aspect, the connection portion between the ventilation member and the piping member is outside the test room member. Therefore, the space inside the test room member can be effectively used.

In each of the above embodiments, when the side wall is provided with a notch and the upper member is attached to the bottom member, at least a part of the piping member or at least one of the ventilation members is provided in the notch. It is desirable that the departments are arranged.

According to this aspect, the upper member can be removed from the bottom member by moving the upper member in the direction of the notch.

In the above aspect, it is desirable that the notch is open on the lower side and the upper member is moved to the upper side to separate the upper member from the bottom member.

According to this aspect, the upper member can be removed from the bottom member by moving the upper member upward.

In each of the above embodiments, it is desirable that the bottom member is provided with an auxiliary means for assisting the fixing of the specimen.

Auxiliary means are, for example, screw holes, eyebolts, hooks and the like.

In each of the above embodiments, the upper member is provided with a pressing means for pressing the upper member against the bottom member and a sealing member, and the sealing member is provided on at least one of the upper member and the bottom member. It is desirable to form a contact portion between the upper member and the bottom member.

In the environmental test apparatus of this embodiment, there is a sealing member at the contact portion between the upper side member and the bottom member, and the sealing member is pressed by the pressing means. Therefore, the airtightness of the space for accommodating the specimen can be ensured.

In each of the above embodiments, it is desirable that the bottom member has higher rigidity than the upper member.

In the environmental test apparatus of this embodiment, a ventilation member or the like is attached to the bottom member. On the other hand, there are few members attached to the upper member. On the other hand, the bottom member is close to the vibration source, and the inertial force generated by receiving the vibration is relatively small. The upper member is far from the vibration source and has a large inertial force generated by receiving the vibration.
Even if the bottom member is a little heavy, it is less likely to receive inertial force, so it is necessary to withstand the holding of accessories, so it is desirable to have a structure that emphasizes rigidity. On the other hand, it is desirable that the upper member is made of a light material because it is susceptible to inertial force and does not need to withstand the holding of accessories.

It is desirable that the vibration generating means has a vibration table and the bottom member is fixed to the vibration table.

Further, the vibration generating means may be provided with a vibration table, and the bottom member may be configured by the vibration table.

In the above aspect, it is desirable that the upper member is made of metal at the connection portion with the bottom member and / or in the vicinity thereof.

It is desirable that the upper member is lightweight. However, pressing force is often applied or accessories are often attached to the connection portion of the upper member with the bottom member or its vicinity thereof. Therefore, it is desirable that the portion is made of metal for the purpose of increasing rigidity.

An aspect of the test chamber member is a test chamber member having a space for accommodating a specimen inside, and air conditioned air is supplied from an air-conditioned means installed outside the test chamber member via a piping member. The test chamber member is directly or indirectly fixed to the vibration table and forcibly vibrated, and the test chamber member has an upper side member and a bottom member fixed to the vibration table. The upper side member has either a side wall or a top surface wall, and the upper side member is removable from the bottom member and is a part of the piping member or a ventilation member extending the piping member. The test is characterized in that the holding member is provided on the bottom member, and the side wall is provided with a through portion through which the piping member or the ventilation member passes. It is a chamber member.

By combining the test room member of this embodiment with an air conditioning means, a piping member, a vibration generating means, and the like, a vibration composite environment test apparatus can be configured.
It is desirable that the ventilation member is held by the holding member, and the ventilation member has an inner opening that opens inside the test chamber member and an outer opening that opens outside the test chamber member.

The environmental test apparatus of the present invention can be used as a vibration composite environmental test apparatus and has a simple structure. Further, by combining the test chamber member of the present invention with the vibration generating means and the like, the vibration composite environmental test apparatus can be completed.

It is a perspective view of the environmental test apparatus of embodiment of this invention, and is the observation of the environmental test apparatus from the front side. It is a perspective view of the environmental test apparatus shown in FIG. 1, and is the observation of the environmental test apparatus from the back surface side. It is an exploded perspective view in the state where the test room member of the environmental test apparatus of FIG. 1 and the vibration generator are separated. It is a perspective view of the test room member of the environmental test apparatus of FIG. 1, and shows the state fixed to the vibration table. FIG. 4 is a cross-sectional view of the vicinity of the lower portion of the upper member of the test chamber member of FIG. 4 and the bottom member. It is sectional drawing which conceptually showed the internal structure of the environmental test apparatus of FIG. (A), (b) and (c) are sectional views showing the operation of the connection fitting of the test chamber member. It is a perspective view which shows the state which fixed the specimen to the bottom member of a test chamber member with an auxiliary metal fitting. It is an exploded perspective view of the laboratory member adopted in the environmental test apparatus of another embodiment of this invention. It is an exploded perspective view of the laboratory member adopted in the environmental test apparatus of still another embodiment of this invention. It is a perspective view of the test room member adopted in the environmental test apparatus of still another embodiment of this invention, and (a) to (c) show the procedure for removing an upper housing from a bottom member. It is a perspective view of the test room member adopted in the environmental test apparatus of still another embodiment of this invention, (a) (b) shows the procedure at the time of removing the upper housing from the bottom member.

Hereinafter, embodiments of the present invention will be further described.
The environmental test device 1 of the present embodiment is a vibration composite environmental test device, which is an environmental test device 1 capable of exposing the specimen 100 to a predetermined environment and having a function of giving vibration to the specimen 100. The environmental test device 1 of the present embodiment is composed of a test room member 2, a vibration generator (vibration generating means) 3, an air conditioner 5, and ducts (piping members) 7, 8.

The test chamber member 2 has a housing portion 20 made of a heat insulating wall. The housing portion 20 is a box, and as shown in FIGS. 1 to 4, the top wall 10, the four side walls 11, 12, 15, 16 and the bottom wall 17 are covered with six surfaces.
As shown in FIG. 3, the housing portion 20 used in the present embodiment is composed of an upper housing (upper side member) 21 and a bottom member 22. The upper housing 21 is an embodiment of the upper side member, and the top wall 10 and the four side walls 11, 12, 15, and 16 are integrated. The bottom member 22 constitutes the bottom wall 17.

As described above, the upper housing 21 is a combination of the top wall 10 and the four side walls 11, 12, 15, and 16, and the inside is hollow and has no bottom. The upper housing 21 is a member that covers the top surface and the four side surfaces, and the lower side is open.
The upper housing 21 is molded of a foamed resin having heat insulating properties such as styrofoam. However, as shown in FIGS. 3 and 5, metal frames 23 are attached to the lower ends of the four side walls 11, 12, 15, and 16 which are open ends to reinforce them. That is, in the present embodiment, in the upper housing 21, the connection portion with the bottom member 22 and its vicinity are made of a metal reinforcing member (frame 23).
Handles 25 are attached to two places of the frame 23. The handle 25 is used when lifting the upper housing 21 to remove it.

Engagement pieces 27 of connection fittings (pressing means) 50 are attached to each side of the frame 23.
A sealing member 24 is provided on the lower end faces of the side walls 11, 12, 15, and 16 of the upper housing 21 as shown in FIG. The sealing member 24 is a packing made of an elastic material such as rubber, and doublely surrounds the open end surface of the upper housing 21.
In the present embodiment, the sealing member 24 is provided on the upper housing 21 side, but the sealing member 24 may be provided on the bottom member 22 side.

The side walls 11, 12, 15, and 16 of the upper housing 21 are provided with cutouts (penetration portions) 30, 31 at two locations. Specifically, the side wall 11 and the side wall 12 adjacent thereto have notches 30 and 31.
When the cutouts 30 and 31 themselves are observed from the front, the lower side is open, and the groove shape extends from the open end toward the upper side, and the upper side (the back side of the cutout) is an arc shape of about 180 degrees. ing.

Next, the bottom member 22 will be described.
As shown in FIG. 5, the bottom member 22 is a heat insulating wall having an outer shell formed of a metal plate 33 and a heat insulating material 34 built therein. The bottom member 22 is a kind of sheet metal processed product.
An outward ventilation member 41 and a return ventilation member 42 are provided on the upper surface of the bottom member 22. The forward-side ventilation member 41 is a fixed duct having a curved portion, and has an inner opening 45a and an outer opening 46a. The inner opening 45a and the outer opening 46a communicate with each other. A flange 43 for joining is provided in the vicinity of the outer opening 46a.

The forward-side ventilation member 41 is integrally fixed to the upper surface of the bottom member 22 via the holding member 47a.
As shown in FIGS. 3 and 5, the holding member 47a supports the end portion of the outward ventilation member 41. The holding member 47a has two plate members 90, 91 installed at a certain distance, and openings 92, 93 through which the end portion of the forward ventilation member 41 is inserted into the plate members 90, 91. (See FIG. 10) is provided. The forward-side ventilation member 41 is inserted into the openings 92 and 93 (see FIG. 10), and is integrally fixed to the holding member 47a by welding or other methods.

The distance between the two plate members 90, 91 is substantially equal to the thickness of the side walls 11, 12, 15, 16 of the upper housing 21.
As described above, the forward-side ventilation member 41 is inserted through the openings 92 and 93 (see FIG. 10) and integrally fixed to the holding member 47a. Therefore, the edge portion of the holding member 47a is apparently flange-shaped so as to surround the tubular portion of the forward-side ventilation member 41. For convenience of explanation, the portions are referred to as flange portions 81 and 82.

The return side ventilation member 42 is a short tubular duct and has an inner opening 45b and an outer opening 46b. The inner opening 45b and the outer opening 46b communicate with each other. The return-side ventilation member 42 is also fixed to the upper surface of the bottom member 22 via the holding member 47b.
Since the structure of the holding member 47b is the same as that of the forward-side ventilation member 41, the same member is assigned the same number and duplicated description is omitted.

A large number of screw holes 26 are provided on the surface of the bottom member 22. The screw hole 26 functions as an auxiliary means for assisting the fixing of the specimen 100 to the bottom member 22.

A hook member 60 of a connecting metal fitting (pressing means) 50 is attached to the peripheral surface of the bottom member 22. The connecting metal fitting (pressing means) 50 is a connecting means for connecting the upper housing 21 to the bottom member 22. The connection fitting 50 is, for example, a known toggle hook clamp, and is composed of a hook member 60 provided on the bottom member 22 and an engaging piece 27 provided on the upper housing 21 side as shown in FIG. ..
In the hook member 60, the hook piece 64 is fixed to the bottom member 22 via the link 68. The hook piece 64 has an engaging portion 69 that engages with the engaging piece 27, a spring portion 74, and an operating portion 79, and the operating portion 79 is engaged with the engaging portion 69 engaged with the engaging piece 27. By pushing, the engaging piece 27 is pulled.
In the present embodiment, the engaging piece 27 is attached to the upper housing 21, and the hook member 60 is attached to the bottom member 22. Therefore, by tightening the hook member 60, the upper housing 21 is pressed against the bottom member 22 by the force of the spring portion 74 and a constant pressing force.
Further, three screw holes 28 are provided on each of the four side surfaces constituting the peripheral surface of the bottom member 22.

The test room member 2 used in the present embodiment has an upper housing 21 and a bottom member 22 as described above, and by connecting both of them, one housing portion 20 is formed. The internal space 9 (see FIG. 6) functions as a test room for accommodating the specimen 100.
A temperature sensor and a humidity sensor (not shown) are provided in the test room.
In the present embodiment, the bottom member 22 and the upper housing 21 are integrated by covering the bottom member 22 with the upper housing 21 and further tightening the connection fitting (pressing means) 50.
At this time, the region supported by the holding member 47a of the forward-side ventilation member 41 coincides with the position of the notch 30 of the upper housing 21, and the forward-side ventilation member 41 penetrates the side wall 11 of the upper housing 21. It becomes a shape like that. The outer opening 46a of the forward-side ventilation member 41 opens to the outside of the test chamber member 2. On the other hand, the inner opening 45a of the forward-side ventilation member 41 opens into the space 9 in the test room member 2.

In this state, as shown in FIG. 5, the side surface of the region supported by the holding member 47a of the forward-side ventilation member 41 comes into contact with the arcuate cross section at the back of the notch 30, and the two are in a substantially close contact state. It becomes.
Further, the facing surfaces of the two plate members 90 and 91 of the holding member 47a are in contact with the front and back surfaces of the side wall 11 of the upper housing 21, and the two plates are in a substantially close contact state.
That is, apparently, the portions constituting the flange portions 81 and 82 of the forward-side ventilation member 41 are in contact with the front and back surfaces of the side wall 11 of the upper housing 21, and the space between the two is substantially in close contact with each other.
Therefore, the portion of the side wall 11 through which the outward ventilation member 41 penetrates is ensured to be airtight, and air leakage from the penetrating portion is small.

The same applies to the return side ventilation member 42 fixed to the bottom member 22, the region supported by the holding member 47b coincides with the position of the notch 31 of the upper housing 21, and the return side ventilation member 42 is the upper housing. The shape is such that it penetrates the side wall 12 of the body 21. The outer opening 46b of the return-side ventilation member 42 opens to the outside of the test chamber member 2 (not shown). The inner opening 45b of the return-side ventilation member 42 opens into the space 9 in the test room member 2.

Further, the side surface of the region supported by the holding member 47b of the return-side ventilation member 42 comes into contact with the arcuate cross section at the back of the notch 31, and the space between the two is substantially in close contact with each other. Further, the flange portions 81 and 82 of the return-side ventilation member 42 are in contact with the front and back surfaces of the side wall 12 of the upper housing 21, and the space between the two is substantially in close contact with each other.
Therefore, airtightness is ensured even in the portion through which the return-side ventilation member 42 penetrates, and air leakage from the portion is small.

In the present embodiment, the lower end faces of the side walls 11, 12, 15, and 16 of the upper housing 21 and the upper surface of the bottom member 22 are in contact with each other. Focusing on the connection surface, a sealing member (packing) 24 is provided on the lower end surface of each side wall 11, 12, 15, 16 of the upper housing 21. The sealing member (packing) 24 constitutes a contact portion between the upper housing 21 and the bottom member 22.
Further, the upper housing 21 is pressed toward the bottom member 22 by the connecting metal fitting (pressing means) 50. Therefore, the sealing member (packing) 24 is appropriately elastically deformed and comes into close contact with the lower end faces of the side walls 11, 12, 15, and 16 of the upper housing 21 and the upper surface of the bottom member 22. Therefore, there is little air leakage from the portion.

Therefore, when the upper housing 21 is connected to the bottom member 22, the space (test chamber) 9 in the test chamber member 2 becomes a closed space, and only via the forward side ventilation member 41 and the return side ventilation member 42. , The inside and outside of the test room member 2 communicate with each other.

On the other hand, by disengaging the connecting metal fitting (pressing means) 50, the upper housing 21 can be disengaged toward the upper side.
That is, the forward-side ventilation member 41 and the return-side ventilation member 42 both penetrate the side walls 11 and 12 of the upper housing 21, but the penetration portion of the forward-side ventilation member 41 and the return-side ventilation member 42 is a side surface. Notches 30 and 31 on the walls 11 and 12. The lower side of the cutouts 30 and 31 is open. Therefore, as the upper housing 21 is moved to the upper side, the notches 30 and 31 move upward, and the outgoing side ventilation member 41 and the return side ventilation member 42 are detached from the notches 30 and 31. Therefore, when moving the upper housing 21 to the upper side, the outgoing side ventilation member 41 and the return side ventilation member 42 do not get in the way.

The vibration generator (vibration generating means) 3 is known and has a main body 29 and a vibration table 32 (see FIG. 3). A vibration generating device (not shown) that vibrates the vibration table 32 is built in the main body 29.
The vibration table 32 is a metal plate. Three screw holes 35 are provided on each of the four side surfaces of the vibration table 32.
The vibration generator 3 adopted in this embodiment can vibrate the vibration table 32 in the biaxial direction. The vibration direction of the vibration table 32 is recommended to be more multiaxial, but it may be only in the vertical direction or only in the horizontal direction.

In the environmental test apparatus 1 of the present embodiment, the test chamber member 2 is coupled to the vibration table 32 of the vibration generator 3.
Specifically, it is placed on the vibration table 32 of the vibration generator 3 in a state where the bottom member 22 of the test room member 2 is in contact with the vibration table 32.
Then, using the band-shaped joining member 37, the test chamber member 2 is attached to the vibration table 32 by a bolt (temporary fastening element) 38.
The joining member 37 is a rectangular plate as shown in FIG. 3, and three holes 40 are provided in each of the upper and lower rows.
The test chamber member 2 and the vibration table 32 are joined by abutting one joining member 37 on each of the four side surfaces, inserting a bolt 38 into each hole 40, and engaging the bolt 38 with the screw holes 28 and 35. Has been done.

Next, the air conditioner 5 will be described with reference to FIGS. 1 and 6. The air conditioner 5 used in this embodiment is a modified environmental test device.
That is, the air conditioner 5 can be separately used as an environmental test device, and has a function of a known environmental test device.
The air conditioner 5 has an air conditioner side housing 53 formed of a heat insulating wall 52. There is an opening (not shown) on the front surface of the air-conditioning side housing 53, and a door 55 is provided in the opening as shown in FIG. Inside the air-conditioning side housing 53, there is a space that can function as a separate test room 56. The test chamber 56 of the air conditioner 5 is referred to as a general test chamber 56 in order to distinguish it from the space (test chamber) 9 in the test chamber member 2.

In the present embodiment, the heat insulating tank is formed by the air-conditioning side housing 53 and the door 55. There is a partition wall 58 inside the heat insulating tank, and the inside of the heat insulating tank is divided into a general test room 56 and an air conditioning unit 57 by the partition wall 58.
An intake opening 61 is provided below the partition wall 58.
Further, an air conditioning blower 63 is attached to the upper portion of the partition wall 58. A temperature sensor 77 and a humidity sensor 78 are provided in the vicinity of the discharge port of the air conditioner blower 63.

An air conditioner 62 is built in the air conditioner 57.
The air-conditioning device 62 includes a humidifying device 65, a cooling device 66, and a heating device 67. The cooling device 66 is a known cooling device, and an evaporator thereof is arranged in the air conditioning unit 57.
The heating device 67 is an electric heater. The humidifying device 65 includes a humidifying dish 70 for storing water and a humidifying heater 71.
The air conditioning blower 63 is an axial blower.

As described above, the air conditioner 5 is a modification of the environmental test device, and the air conditioner 5 is provided with an accessory device 72 (see FIG. 2) for taking out the conditioned air from the general test room 56.
That is, an air outlet 73 and an air return port 75 are formed on the side wall of the air conditioner 5. A blower 76 for feeding is attached to the air outlet 73.

Further, as shown in FIGS. 2 and 6, a duct 7 communicates between the air outlet 73 of the air conditioner 5 and the outer opening 46a of the outward ventilation member 41 of the test room member 2. Similarly, as shown in FIGS. 1, 2, and 6, a duct 8 communicates between the air return port 75 of the air conditioner 5 and the outer opening 46b of the return side ventilation member 42 of the test room member 2. There is.
The ducts 7 and 8 used in this embodiment are flexible ducts and can be freely bent. The ducts 7 and 8 are piping members capable of absorbing vibration. The outer periphery of the ducts 7 and 8 is covered with a heat insulating material.

As shown in FIGS. 1 and 2, the arrangement paths of the ducts 7 and 8 are piped so as not to pass through the upper side of the test room member 2.
Therefore, there is a space on the upper side of the test room member 2.
As described above, the upper housing 21 of the test chamber member 2 can be pulled out toward the upper side by disengaging the connecting metal fitting (pressing means) 50.
Further, in the test room member 2 adopted in the present embodiment, the ducts 7 and 8 are connected to the forward side ventilation member 41 and the return side ventilation member 42 outside the test room member 2.
Therefore, even when the bottom member 22 of the test chamber member 2 is fixed to the vibration table 32 and the ducts 7 and 8 are connected to the test chamber member 2, the connection fitting (pressing means) 50 can be engaged. By unraveling, the upper housing 21 of the test chamber member 2 can be removed toward the upper side.

In the air conditioner 5 of the present embodiment, when the air conditioner blower 63 is started, air circulates between the air conditioner unit 57 and the general test chamber 56, and the temperature and humidity in the general test chamber 56 are adjusted to a desired state. To. That is, when the air-conditioning blower 63 is started, the inside of the air-conditioning unit 57 tends to have a negative pressure, and the air in the general test chamber 56 is introduced into the air-conditioning unit 57 from the intake opening 61. The air-conditioning unit 57 is in a ventilation state, air comes into contact with the air-conditioning equipment 62, heat exchange and humidity adjustment are performed, and the air is sucked into the air-conditioning blower 63.
Air whose temperature and humidity have been adjusted is blown out from the air-conditioning blower 63 into the general test chamber 56.

When using the air conditioner 5, the air conditioner blower 63 is operated, and the air conditioner 62 is set so that the detected values of the temperature sensor 77 and the humidity sensor 78 in the air conditioner 5 approach the temperature and humidity of the set environment. Control.
Further, when the blower 76 for feeding is driven, the conditioned air in the general test chamber 56 is discharged from the air outlet 73, enters the outer opening 46a of the outward ventilation member 41 via the duct 7, and enters the outward ventilation member 41. It is supplied to the space (test room) 9 of the test room member 2 from the inner opening 45a of the test room member 2.
The air in the space (test chamber) 9 is sucked by the blower 76 for feeding, enters the inner opening 45b of the return-side ventilation member 42, is discharged from the outer opening 46b, and is discharged from the outer opening 46b, and the air in the general test chamber 56 passes through the duct 8. Return to the general test room 56 from the return port 75.
As described above, in the present embodiment, the air blower 76 circulates air between the space (test room) 9 and the general test room 56, and a predetermined environment is formed in the space (test room) 9.

Next, a combined environmental test performed using the environmental test apparatus 1 of the present embodiment will be described.
In the environmental test apparatus 1 of the present embodiment, the specimen 100 is placed in the space 9 of the test room member 2 prior to the implementation of the combined environmental test.
Specifically, the engagement of the connection fitting (pressing means) 50 is disengaged, the upper housing 21 of the test chamber member 2 is lifted toward the upper side and moved upward to remove the upper housing 21, and the bottom member 22 is removed. To expose.
Then, the specimen 100 is placed on the bottom member 22, and the specimen 100 is fixed.
Subsequently, the upper housing 21 is placed on the bottom member 22, and the connection fitting (pressing means) 50 is engaged to integrate the upper housing 21 and the bottom member 22.

Subsequently, the air conditioner 5 is activated to make the inside of the general test chamber 56 a desired environment, and further, the blower 76 for feeding is driven to use the air-conditioned air in the general test chamber 56 as the space (test chamber) 9 in the test chamber member 2. The space (test room) 9 is adjusted to the desired environment.

In this embodiment, the environment in the test room member 2 is manually adjusted. That is, the temperature and humidity in the space (test room) 9 are measured by a temperature sensor and a humidity sensor (not shown) provided in the test room member 2, and the measured temperature and humidity are displayed on a display device (not shown). The operator looks at the display device and manually changes the set temperature and the set humidity of the air conditioner 5 so that the temperature and humidity in the space (test room) 9 become desired values.
The environment setting method is not limited to manual operation, and may be a method of setting by directly feeding back the detection signals of the temperature sensor and the humidity sensor (not shown) in the space (test room) 9 to the air conditioner 5. .. Further, the air conditioner 5 may be controlled by using a temperature sensor, a humidity sensor, a temperature sensor 77, and a humidity sensor 78 (not shown) in the space (test room) 9.

In this state, the vibration generator 3 is driven to vibrate the vibration table 32. In the present embodiment, the bottom member 22 of the test chamber member 2 is integrally fixed to the vibration table 32. Therefore, the test chamber member 2 vibrates together with the vibration table 32. As a result, the test chamber member 2 vibrates as a whole together with the vibration table 32, and the internal specimen 100 can be vibrated. That is, in a state where the specimen 100 is exposed to a desired environment, the test chamber member 2 is vibrated to give vibration to the internal specimen 100.
Here, ducts 7 and 8 are attached to the bottom member 22 of the test chamber member 2, and the ducts 7 and 8 are flexible ducts and can be freely bent. Therefore, the ducts 7 and 8 move following the vibration of the test chamber member 2 and do not easily come off from the bottom member 22.

As described above, although the environmental test apparatus 1 of the present embodiment has a simple structure, it is possible to give vibration to the specimen 100 in a state where the specimen 100 is exposed to a desired environment.

The test room member 2 of the present embodiment is a housing portion 20 separate from the vibration generator (vibration generating means) 3, has six surfaces, and the bottom member 22 is fixed to the vibration table 32. It is a thing.
However, the present invention is not limited to this configuration, and the vibration table 32 of the vibration generator 3 may be used as the bottom member 22.
In the environmental test apparatus 200 shown in FIG. 9, the vibration table 32 is used as the bottom member 22, and the forward side ventilation member 41 and the return side ventilation member 42 are attached to the vibration table 32. In the environmental test apparatus 200 of the present embodiment, the vibration table 32 is used as the bottom member 22, and the upper housing 21 is mounted on the vibration table 32.
In the environmental test device 200 shown in FIG. 9, a vibration generating device (not shown) built in the main body 29 of the vibration generating device 3 functions as a vibration generating means. In the environmental test apparatus 200, the vibration table 32, which is the bottom member 22, is fixed to the vibration generating device in the main body 29, which is the vibration generating means, and the entire test chamber member 2 vibrates by driving the vibration generating means. ..

Further, in each of the above-described embodiments, the forward side ventilation member 41 and the return side ventilation member 42 are attached to the bottom member 22 via the holding members 47a and 47b, but the bottom member is like the environmental test device 202 shown in FIG. Only the holding members 47a and 47b may be attached to the 22, and the ducts 7 and 8 may be inserted through the cutouts 30 and 31 of the upper housing 21 and held by the holding members 47a and 47b.

It can be said that the environmental test apparatus 202 shown in FIG. 10 has holding members 47a and 47b for holding a part of the piping members (ducts 7 and 8). Further, in the environmental test apparatus 202, the piping members (ducts 7 and 8) penetrate the side wall.
In the environmental test devices 1 and 200 of the above-described embodiment, if the outgoing side ventilation member 41 and the return side ventilation member 42 are considered as members for extending the piping members (ducts 7 and 8), the environmental test devices 1 and 200 , It can be said that the holding members 47a and 47b hold the ventilation members 41 and 42 for extending the piping member.

In the embodiment described above, the upper housing 21 is provided with notches 30 and 31 having an open bottom, and the upper housing 21 is moved upward to remove the upper housing 21 from the bottom member 22. Adopted the structure.
However, the present invention is not limited to this configuration, and the upper housing 21 may be removed by providing notches 30 and 31 on the same side wall and moving the upper housing 21 laterally.

Further, as in the environmental test device 203 shown in FIG. 11, the outgoing side ventilation member 41 and the return side ventilation member 42 are provided on the same side wall, and the outward side ventilation member 41 and the return side ventilation member 42 are inserted into the upper housing 21. A through hole 205 may be provided.
In the environmental test apparatus 203 shown in FIG. 11, from the state of FIG. 11 (a), the upper housing 21 is horizontally moved toward the back side as shown in FIG. 11 (b), and the forward side ventilation member 41 and the return side ventilation are ventilated. The member 42 is separated from the through hole 205.
After that, the upper housing 21 is moved upward as shown in FIG. 11C, and the upper housing 21 is removed.

Alternatively, as in the environmental test apparatus 206 shown in FIG. 12, only the portion of the through hole 205 through which the outward ventilation member 41 and the return ventilation member 42 of the side wall are inserted may be removable as a separate member 210. In this case, after removing the ducts 7 and 8 and the separate member 210, the upper housing 21 may be moved upward to remove the upper housing 21, or the upper housing 21 may be moved toward the back side as in FIG. It is conceivable to move the upper housing 21 horizontally and then move the upper housing 21 upward to remove the upper housing 21.
Further, the portion of the separate member 210 shown in FIG. 12 is fixed to the bottom member 22, and the upper housing 21 is horizontally moved toward the back side with the portion of the separate member 210 left on the bottom member 22, and further upper. It is also possible to move the housing 21 upward and remove the upper housing 21.
Further, not only the portion of the through hole 205 but also the entire side wall on which the through hole 205 is formed can be removed as a separate member, or the entire side wall is fixed to the bottom member 22 and the entire side wall is left on the bottom member 22. The upper housing 21 may be removed with.

Next, a method of fixing the specimen 100 to the bottom member 22 will be described with reference to FIG. The bottom member 22 of the above-described embodiment is provided with a large number of screw holes 26 on the surface. In the present embodiment, the specimen 100 is fixed by using the screw holes 26.
For example, the side surface of the specimen 100 is held by using the auxiliary metal fitting 83 having an “L” -shaped cross section as shown in FIG.
That is, the auxiliary metal fitting 83 is attached to the bottom member 22 by using one of the screw holes 26, and the specimen 100 is sandwiched between the auxiliary metal fittings 83. Further, if necessary, the specimen 100 is bound and fixed to the auxiliary metal fitting 83.

In the embodiment described above, the upper housing 21 is molded of Styrofoam, but other materials may be used. For example, other foamed resin such as urethane foam may be used. Of course, the upper housing 21 may be made of a solid material. Alternatively, the vacuum heat insulating material may be used to form the upper housing 21. The vacuum heat insulating material is a heat insulating material covered with a laminated material and the inside thereof is in a vacuum state. It is also possible to use a simpler material such as cardboard.

In the embodiment described above, the bottom member 22 is a kind of processed sheet metal product, but may be molded from a resin or the like.
However, since various members are attached to the bottom member 22, it is necessary to have sufficient rigidity to fix them. In the present embodiment, the bottom member 22 has a higher rigidity than the upper housing 21.

In the embodiment described above, flexible ducts (pipe members) 7 and 8 are used as the piping members constituting the circulation circuit between the test room member 2 and the air conditioner 5. In the above-described embodiment, the pipes connecting the test room member 2 and the air conditioner 5 are all flexible ducts 7 and 8, but some of them may be fixed pipes. For example, the fixed pipe and the test room member 2 may be connected by a flexible joint to form a circulation circuit between the test room member 2 and the air conditioner 5, and the flexible joint may be used to absorb vibration.
In short, at least a part of the piping connecting the test room member 2 and the air conditioner 5 may have a degree of freedom to absorb vibration.

In the embodiment described above, the test chamber member 2 and the air conditioner 5 are connected by ducts 7 and 8 to form a circulation circuit, but air-conditioned air is simply supplied from the air conditioner 5 to the test chamber member 2 side. You can just do it.

In the embodiment described above, the test chamber member 2 is attached to the vibration table 32 by using the plate-shaped joining member 37. For example, the test chamber member 2 and the vibration table 32 are provided with flanges and ribs, and these are directly attached. It may be connected by bolts or the like.
In the embodiment described above, the screw is exemplified as the temporary fastening element, but the temporary fastening element may be a detachable one, for example, a pin may be used.

In the embodiment described above, the screw hole 26 is used as an auxiliary means for fixing the specimen 100 to the bottom member 22. However, the auxiliary means may be configured by a hook, an eyebolt, or the like.

The air conditioner 5 adopted in the environmental test device 1 of the present embodiment is a modified version of the environmental test device, and can be separately used as the environmental test device. When the specimen is placed in the general test room 56 of the air conditioner 5 to perform an environmental test, it is desirable to attach lids to the air inlet port 73 and the air return port 75.
Further, the specimen 100 may be preheated or precooled in the general test chamber 56, the specimen 100 may be transferred to the test chamber member 2, and vibration may be applied under a predetermined environment.
In the environmental test apparatus 1 of the present embodiment, since the test chamber member 2 is connected to the vibration generator 3 by a temporary fastening element such as a bolt 38, the test chamber member 2 is removed as necessary to remove the vibration generator 3 as needed. The test can also be performed by itself.

As described above, the air conditioner 5 is a modification of the environmental test device and has a general test chamber 56 inside, but of course, an air conditioner that does not have the general test chamber 56 can also be used.
Further, in the present embodiment, the conditioned air in which both the temperature and the humidity are adjusted are supplied into the test room member 2, but the conditioned air in which either the temperature or the humidity is adjusted is supplied in the test room member 2. It may be supplied to.

In the embodiment described above, the outgoing side ventilation member 41 is a fixed duct having a curved portion, and the return side ventilation member 42 is a short tubular duct, but the shape of the outgoing side ventilation member 41 and the return side ventilation member 42. Is optional and may be a straight tube or a curved tube. It may be long or short.
The outer openings 46a and 46b are sufficient as long as the piping member can be connected, and the means for connecting to the piping member does not matter.

In the above-described embodiment, the holding members 47a and 47b are composed of two plate members 90 and 91, respectively, but the present invention is not limited to this configuration. The holding members 47a and 47b are sufficient as long as they can fix the outgoing side ventilation member 41 or the like to the bottom member 22, and the holding members 47a and 47b are for fixing the outgoing side ventilation member 41 and the like to the bottom member 22 with, for example, U bolts. You may.

It is desirable that the upper member has a housing shape that covers five of the six surfaces defining the space 9 excluding the bottom surface, as in the upper housing 21 of the above-described embodiment. That is, it is desirable that the upper side member is one in which the top wall 10 and all the side walls 11, 12, 15, and 16 are integrated as in the upper housing 21 of the above-described embodiment. However, the upper member may be missing some side walls. The missing side wall may be individually removable as a separate member.
Further, some side walls may be integrated with the bottom member 22, and the remaining side wall and the top wall 10 may be integrated into an upper housing, or some side walls and the top wall 10 may be the bottom member. It may be an upper side member integrated with 22 and the remaining side wall is integrated. For example, one side wall may be integrated with the bottom member 22, and the remaining side wall and the top wall 10 may be an integrated upper side member, or one side wall and the top wall 10 may be integrated with the bottom member 22. It may be an integral upper side member with the remaining side wall integrated. In the test room member in which one side wall and the top wall 10 are integrated with the bottom member 22, the upper side member has a "U" shape having three side walls. In this configuration, the upper member is horizontally moved and removed from the bottom member 22. However, it is not recommended that the top wall 10 be integrated with the bottom member 22, and it is desirable that the top wall 10 is located on the upper member.
Further, only a part of some side walls, for example, the lower half or the lower part may be integrated with the bottom member 22, and the remaining side wall and the top wall 10 may be integrated to form an upper housing.

1,200,202,203,206 Environmental test equipment 2 Test room member 3 Vibration generator (vibration generating means)
5 Air conditioner 7, 8 Duct (piping member)
10 Top wall 11, 12, 15, 16 Side wall 17 Bottom wall 20 Housing part 21 Upper housing (upper side member)
22 Bottom member 24 Sealing member 32 Vibration table 41 Forward side ventilation member 42 Return side ventilation member 47a, 47b Holding members 45a, 45b Inner opening 46a, 46b Outer opening 50 Connection fitting (pressing means)
100 specimens

Claims (12)

An environmental test device having a vibration generating means, a test room member having a space for accommodating a specimen inside, an air conditioning means installed outside the test room member, and a piping member connected to the air conditioning means. hand,
The test room member has an upper side member and a bottom member.
The upper member has at least one of a side wall and a top wall.
The upper member can be attached to and detached from the bottom member.
It has a holding member for holding a part of the piping member or a ventilation member extending the piping member, and the holding member is provided on the bottom member.
The piping member or the ventilation member penetrates the side wall and
An environmental test apparatus characterized in that the bottom member is directly or indirectly fixed to the vibration generating means, and the entire test chamber member vibrates by driving the vibration generating means. The environmental test apparatus according to claim 1, wherein the upper side member has the top wall and includes at least a part of the plurality of side walls surrounding the space. The claim is characterized in that the ventilation member is held by the holding member, and the ventilation member has an inner opening that opens inside the test chamber member and an outer opening that opens to the outside of the test chamber member. The environmental test apparatus according to 1 or 2. A notch is provided in the side wall,
Claims 1 to 3 are characterized in that, in a state where the upper member is attached to the bottom member, at least a part of the piping member or at least a part of the ventilation member is arranged in the notch. The environmental test equipment described in any of the above. The environmental test according to claim 4, wherein the notch is open on the lower side, and the upper member can be moved to the upper side to separate the upper member from the bottom member. Device. The environmental test apparatus according to any one of claims 1 to 5, wherein the bottom member is provided with an auxiliary means for assisting the fixing of the specimen. It has a pressing means for pressing the upper member against the bottom member and a sealing member, and the sealing member is provided on at least one of the upper member and the bottom member, and is provided with the upper member. The environmental test apparatus according to any one of claims 1 to 6, further comprising a contact portion with the bottom member. The environmental test apparatus according to any one of claims 1 to 7, wherein the bottom member has higher rigidity than the upper member. The environmental test apparatus according to any one of claims 1 to 8, wherein the vibration generating means has a vibration table and the bottom member is fixed to the vibration table. The environmental test apparatus according to any one of claims 1 to 8, wherein the vibration generating means is provided with a vibration table, and the bottom member is configured by the vibration table. The environmental test apparatus according to any one of claims 1 to 10, wherein the upper member is made of metal in a connection portion with the bottom member and / or in the vicinity thereof. A test room member having a space for accommodating a specimen inside, and air-conditioned air is supplied from an air-conditioned means installed outside the test room member via a piping member and directly to a vibration table. Or it is a test room member that is indirectly fixed and forcibly vibrated.
The test chamber member has an upper side member and a bottom member fixed to the vibration table.
The upper member has either a side wall or a top wall.
The upper member can be attached to and detached from the bottom member.
It has a holding member for holding a part of the piping member or a ventilation member extending the piping member, and the holding member is provided on the bottom member.
A test room member characterized in that the side wall is provided with a penetrating portion through which the piping member or the ventilation member passes.

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