JP2010033796A - Battery mounting apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a battery mounting apparatus reliably preventing the infiltration of water into a storage container and easily performing the replacement and maintenance/inspection of a battery in the storage container. <P>SOLUTION: The storage container 1 in the battery mounting apparatus storing one or more batteries 2 in the storage container 1 of predetermined shape is composed of a container body 4 and a cover body 8 placed on top of the container body 4. A packing 12 formed of an elastic body is provided between the container body 4 and the cover body 8. A clamping means is provided for firmly clamping the container body 4 and the cover body 8 through the packing 12 to fix them in a sealed state, and the fixed state can be easily released by the clamping means. A small cover removable when charging the battery 2 or performing maintenance and inspection of a related device is provided, and this small cover is mounted and fixed in a sealed state to the container body 4 or the cover body 8 by the clamping means through a packing formed of an elastic body in the same way as the cover body 8. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

The present invention relates to a battery mounting device mounted on, for example, an electric vehicle, and more particularly to a battery mounting device in which a container for storing a battery is completely sealed and charging and maintenance inspection can be easily performed.

For example, in a battery device mounted as a driving power source in an electric vehicle, a battery case as a container for storing a battery is composed of an upper case and a lower case, and the upper case and the lower case are overlapped to form a container. A plurality of batteries are housed in the container (see Patent Document 1).
JP 2005-236826 A

However, in such a battery mounting apparatus, since the battery dislikes water, it is necessary to completely seal the storage container so that the water does not enter the container storing the battery. Since the battery storage container cannot be waterproof, it is apparent that Patent Document 1 cannot reliably prevent water from entering.

Moreover, in the conventional battery case described above, it is necessary to replace the battery every several years due to maintenance and inspection of the battery and various control devices (including safety devices) or the life of the battery. Since the structure does not take into account the replacement of the battery in the storage container, it is difficult to replace only the battery, and there is a problem that the entire container must be replaced.

The present invention has been made in view of the above points, and reliably prevents water from entering the container in which the battery is stored, and facilitates replacement of the battery in the storage container and maintenance and inspection of related devices. It aims at providing the battery mounting apparatus which can be performed easily.

In order to achieve the above object, the battery mounting device according to the present invention is a battery mounting device in which one or a plurality of batteries are stored in a storage container having a predetermined shape. The storage container includes a container body and a lid. A packing made of an elastic body is provided between the container main body and the lid body, and the container main body and the lid body are firmly tightened via the packing in a sealed state. The clamp means is provided with an attaching / detaching mechanism that can be fixed and can be easily released, and has a small lid that can be removed when charging the battery or performing maintenance and inspection of related devices. The small lid is attached and fixed to the container main body or the lid body by a clamping means through a packing made of an elastic body, like the lid body.

In the battery mounting device according to the present invention, one or a plurality of batteries are housed in a storage container having a predetermined shape, and the storage container includes a container body and a lid, and the container body and the lid are disposed between the container body and the lid. Is equipped with a packing made of an elastic body, and the container body and the lid body are firmly tightened and fixed in a sealed state via the packing, thus reliably preventing water from entering the container. Is something that can be done. Moreover, since the clamp means provided with the attachment / detachment mechanism which can cancel | release the above-mentioned fixed state easily is provided, a cover body can be easily removed by canceling | releasing a clamp means.

In addition, a detachable small lid is provided, and this small lid is attached and fixed to the container body or lid body by a clamping means via a packing made of an elastic body. Therefore, when charging the battery or performing maintenance / inspection of related devices By removing the small lid, the charging cord can be easily pulled out and maintained and inspected.

An embodiment of the present invention will be described with reference to the drawings. A battery mounting device is a device for mounting a secondary battery such as a lithium ion battery as a driving power source for an electric vehicle and mounting it in a space outside the vehicle cabin. . The first embodiment of the present invention will be described with reference to FIGS. 1 to 8. The battery mounting device according to the present embodiment includes one or a plurality of batteries 2 in a storage container 1 made of metal or a hard resin material. The related apparatus is accommodated.

The storage container 1 is composed of a deep-drawn container body 4 and a flat lid body 8. The storage container 1 is formed in a perfectly circular cylindrical shape as a whole, and a fixed leg 11 fixed to the container body 4 is attached to a vehicle body chassis (illustrated). Do not install) with bolts. The opening end of the container body 4 is composed of a portion 6 bent horizontally in the outward direction and a portion 7 obtained by raising the end of the bent portion 6 vertically, and a peripheral edge of the lid 8. The portion is bent upward and immediately rises upward to form a horizontal portion 9, and its end portion is a bent portion 10 that is vertically bent downward.

Reference numeral 12 denotes an endless ring-shaped waterproof packing made of an elastic body such as rubber, and the packing 12 rises from the bent portion 6 of the container body 4 when the lid body 8 is superposed on the container body 4 described above. The container body 4 and the lid body 8 are positioned between the opening end portion of the container body 4 formed by the portion 7 and the peripheral edge portion formed by the horizontal portion 9 and the bent portion 10 of the lid body 8. It is fixed and attached to either one (see FIG. 3).

Reference numeral 13 denotes a clamp band having a metal ring shape having a cross-sectional bracket shape and part of which is cut off. When the lid body 8 is superposed on the container body 4, the container body 4 And the lid body 8 are wound around the outer periphery of the overlapping end portion, and the container body 4 and the lid body 8 are tightened by the clamp band 13, thereby The space between the lid 8 is sealed.

The clamping means by the clamp band 13 includes a lever 15 rotatably attached to one detachable end portion of the clamp band 13 and a clamp lever 16 rotatably attached to the other detachable end portion. If the free end of the lever 15 is pivotally attached to a predetermined position of the crank lever 16 and the clamp lever 16 is rotated in a direction in contact with the clamp band 13, the lever 15 is pivotally attached to the predetermined position. As a result, the lever 15 is attracted and the distance between the separating portions 14 of the clamp band 13 is reduced and tightened. As a result, the space between the container body 4 and the lid body 8 is reduced and the container 12 is interposed by the packing 12 interposed therebetween. The lid 8 is fixed in a sealed state.

The clamping means including the clamp band 13, the lever 15 and the clamp lever 16 can securely prevent the intrusion of water into the storage container 1 through the packing 12 by tightening the container body 4 and the lid 8. In particular, in the present embodiment, the storage container 1 is formed in a perfect circular cylindrical shape, and the container main body 4 and the lid body 8 are tightened by the ring-shaped clamp band 13, so that the storage container 1 is extended over the entire circumference. It is tightened with a uniform force to ensure more stable sealing.

When replacing the battery, if the clamp lever 16 is rotated in the direction away from the clamp band 13, the distance between the cut-out portions 14 of the clamp band 13 is opened by the lever 15, and the clamp band 13 is loosened and the clamping means is operated. Thus, the lid 8 can be easily removed, the battery in the storage container 1 can be easily replaced, and maintenance and inspection of related devices can be easily performed.

Further, in order to further ensure the sealing performance of the storage container 1, as shown in FIG. 4, rubber or the like is placed inside the clamp band 13 wound so as to straddle the open end of the container body 4 and the lid body 8. It is preferable that the endless sub-packing 18 made of an elastic body is mounted. In this case, by tightening the clamp band 13 described above, the sub-packing 18 described above is brought into close contact with the container body 4 and the lid body 8, so that the packing 12 is provided between the container body 4 and the lid body 8. And the sub-packing 18 are double-sealed, and higher sealing performance can be secured. The sub-packing 18 described above may be provided as an endless shape over the entire inner periphery of the clamp band 13 or may be provided partially at a required location. Furthermore, if the shape of the sub packing 18 is formed so as to fill up the gap between the container body 4 and the lid 8, the sealing performance can be further improved.

The shape of the storage container 1 has been described as a perfect circle shape in the first embodiment of the present invention. However, the shape is not limited to a perfect circle shape, and other shapes such as an ellipse / oval shape, a rectangular shape, etc. Various shapes that can be tightened by a band can be applied. Further, the storage container 1 is not limited to the horizontally placed state as described above, but may be vertically placed as shown in FIG. 7. In FIG. 7, the horizontally placed one described in FIG. The same members as those in FIG. 2 are denoted by the same reference numerals because they correspond to the ones placed. Further, the storage container can be implemented in an oblique state.

In the storage container 1, the battery is connected by a cable 3, and the cable 3 is led out of the storage container 1 through a sealing grommet 20 made of an elastic material such as rubber and is supplied to the drive unit of the electric vehicle. Power from 2 is supplied. Since the cable 3 includes a control system cable 3a in addition to the power supply, the lead-out portion of the cables 3 and 3a is fixed to a support member 19 attached to the container body 4 and the like. It is good also as a double sealing structure using the 2 sealing grommet 20a (refer FIG. 8).

9 and 10 show a second embodiment of the storage container and the clamping means. The storage container 21 is a rectangular box, and the storage container 21 is composed of a rectangular container body 22 and the container body 21. The lid 23 is installed so as to close the opening, and the container body 22 and the lid 23 are sealed and tightened to form the storage container 21 having excellent waterproofness. The sealing and tightening device will be described. A bulging portion 24 is formed on the outer peripheral end portion of the lid body 23 over the entire circumference, and the end portion is bent in a vertical direction to form a bent piece 25. A packing 26 made of an elastic material such as rubber is fixed to the inside of the peripheral edge of the lid 23 over the entire circumference. On the other hand, a plurality of clamp levers 29 are arranged on the container body 22 side so as to surround the lid body 23. The clamp lever 29 is pivotally supported with respect to the container main body 22 by a bearing member 27, and a roller 28 that engages with the bulging portion 24 of the lid body 23 is provided at the tip thereof.

When a battery or the like is stored in the container body 22 of the storage container 21 configured as described above and the lid body 23 to which the packing 26 described above is fixed is attached to the container body 22 over the entire periphery, the packing 26 becomes a container. In contact with the main body 22, the clamp lever 29 of the clamping means provided in the container main body 22 is tilted, and the roller 28 at the tip of the clamp lever 29 is engaged with the bulging portion 24 formed at the peripheral edge of the lid 23. By joining, the lid body 23 can be fastened and fixed to the container main body 22, and at this time, the inside of the container main body 22 is sealed by the packing 26 described above, and the storage container 21 having a waterproof effect is obtained. In order to enhance the waterproof effect, it is preferable to form a recess or the like having the same shape as the tip of the packing 26 on the container body 22 side.

In the battery mounting apparatus according to this embodiment, a dedicated charging cord is used when charging the battery, and the charging work is facilitated by providing a small lid for the charging cord. This will be described with reference to FIG. 11. In FIG. 11, the same members as those of the battery mounting apparatus described with reference to FIG. One or a plurality of batteries 2 and related devices are stored in a circular storage container 1, and the storage container 1 includes a container main body 4 and a lid body 8 and stores a charging cord 31. The space 32 is formed by cutting and raising a part of the lid 8, and the charging small lid 35 is detachably arranged corresponding to the opening end of the cut and raised portion 33. A waterproof packing 36 is provided between the charging small lid 35 and the opening end of the cut-and-raised portion 33 that forms the housing space 32 described above. The packing 36 is formed in an endless ring shape made of an elastic body such as rubber, and is fixed to either one of the cut and raised portion 33 and the charging small lid 35. The configuration of the opening end of the cut-and-raised portion where the packing 36 is disposed and the peripheral end of the charging small lid are the configurations of the opening end of the container body 4 and the peripheral end of the lid 8 described above. Are identical.

Further, between the opening end portion of the cut-and-raised portion 33 forming the storage space 32 and the charging small lid 35, the storage space 32 and the charging small lid 35 are packed so as to straddle both. A clamp band 37 for tightening and fixing via 36 is provided. This clamp band 37 has a bracket shape in cross section similar to the clamp band 13 described above with reference to FIG. 5 and has a ring shape with a part cut off. As described above, the cancellation is performed. Moreover, the sealing structure for waterproofing of the storage main body 4 and the lid body 8 also includes the structure described above with reference to FIGS.

In the battery mounting apparatus having the charging small lid 35 configured as described above, by removing the charging small lid 35 smaller than the lid 8 without removing the large lid 8 when charging. Since the charging cord 31 can be easily pulled out, charging can be performed easily.

Moreover, although the thing which provided the storage space for charging cords in the cover body of the storage container was demonstrated based on FIG. 11, the said storage space may provide in the container main body side not only in a cover body, but the same effect. When the storage space is provided on the container body side, the storage container 1 needs to be a vertical type as shown in FIG. In order to explain this, components having the same functions as those described with reference to FIG. The storage space 32 is formed by cutting and raising a part of the back surface portion 4a of the container body 4 which is a vertical type, and a small charging lid corresponding to the opening end of the cut and raised portion 33. 35 is detachably arranged. A waterproof packing 36 is provided between the charging lid 35 and the opening end of the cut-and-raised portion 33 that forms the housing space 32 described above. The packing 36 is formed in an endless ring shape made of an elastic body such as rubber, and is fixed to either one of the cut and raised portion 33 and the charging small lid 35.

Furthermore, between the opening end of the cut-and-raised portion 33 forming the storage space 32 and the charging small lid 35, the storage space 32 and the charging small lid 35 are mounted so as to straddle both. A clamp band 37 that is fastened and fixed via a packing 36 is provided. This clamp band 37 has a bracket shape in cross section similar to the clamp band 13 described above with reference to FIG. 5 and has a ring shape with a part cut off. The release is performed as described above, and the vertical type shown in FIG. 12 has the same effect as the horizontal type described above.

In addition, in the battery mounting apparatus in which the accommodation space is installed, when an external charging cord is used, it is preferable to provide a charging cord connection terminal 39 inside the accommodation space 32 as shown in FIG. . In FIG. 13, the same members as those in FIG. 11 are denoted by the same reference numerals.

In the battery-mounted device, a control device that controls charging / discharging of the battery is housed as a battery-related device. FIG. 14 shows a small maintenance cover 40 used during maintenance / inspection of the control device 41, and the maintenance small lid 40 is removed to facilitate maintenance / inspection of the control device. is there. The battery mounting device provided with the maintenance small lid 40 has the same configuration as that provided with the charging small lid described above with reference to FIG. 11 is attached to the opening of the lid 8 formed in a sufficient size necessary for maintenance and inspection of the lid 8 while maintaining the sealed state by the packing 36 and the clamp band 37 similar to those described in the explanation of FIG. It can be easily removed by releasing. 14 shows a configuration in which the maintenance small lid 40 is provided on the lid body 8 side, it goes without saying that a configuration in which the maintenance small lid 40 is provided on the container body 4 side is also possible.

In the battery mounting device provided with the maintenance small lid 40 as described above, the maintenance small lid 40 smaller than the lid 8 can be easily removed without removing the large lid 8 during maintenance and inspection of the control device. It is convenient because maintenance and inspection can be performed. The maintenance small lid 40 may also be used as the charging small lid 35 described above.

In the embodiment of the present invention, as shown in FIG. 15, the shape of the storage container 1 is preferably such that the bottom 4 b and the lid 8 of the container body 4 are dome-shaped. In addition, in the example of FIG. 15, although it is set as the dome shape bulged outside, it is good also as a dome shape which becomes concave inside. The storage container is inspected with a positive pressure or a negative pressure inside to confirm the sealing performance when completed, but the bottom 4b of the container body 4 and the lid body 8 are formed in a dome shape on the outside or inside, respectively. Since strength against pressure can be ensured, deformation due to pressure can be effectively suppressed.

Further, in the battery mounting apparatus according to the embodiment of the present invention, when a temperature difference between the inside and outside of the storage container occurs, stress due to the pressure difference is generated in the storage container. It is also possible to provide an air vent that prevents internal air and external air.

Furthermore, as an embodiment of the present invention, the storage container may be a device having a double structure. In this case, the storage container is constituted by a double structure of an outer storage container and an inner storage container, and thus By using the double storage container, even if the clamping means of one of the storage containers is removed due to an unexpected situation, the sealing performance is surely ensured by the clamping means of the other storage container.

Further, in the apparatus using a double-structured storage container as described above, two clamps can be used even in an unforeseen situation by changing the clamp means for fixing the storage main body and the lid in the outer storage container and the inner storage container, respectively. The structure is such that the means are difficult to come off at the same time, and a stable sealed state can be secured. As an example of changing the configuration of the clamping means described above, the configuration of the clamping means described above with reference to FIGS. 3, 5 and 6 is adopted as the clamping means for the outer storage container, and the clamping means for the inner storage container is used first. The configuration of the clamping means described with reference to FIGS. 9 and 10 may be employed.

The top view of the battery mounting apparatus of this invention Sectional drawing of the battery mounting apparatus of this invention Explanatory drawing of the sealing means of a container main body and a lid Explanatory drawing of the other example of the sealing means of a container main body and a cover body Explanatory drawing of clamp band tightening means AA sectional view of FIG. Illustration of the vertical storage container Illustration of sealing grommet Plan view of another example of storage container FIG. 9 is an explanatory diagram of the clamping means of the storage container shown in FIG. Explanatory drawing using a small lid for charging the storage container Explanatory drawing of a vertical storage container with a small lid for charging Explanatory drawing storing the charging connection terminal in the space with the small lid for charging. Explanatory drawing using a small lid for maintenance on the storage container Explanatory drawing with storage container as dome shape

Explanation of symbols

1 Storage container 2 Battery
4 Container body
8 Lid
12 Packing
13 Clamp band
16 Clamp lever

Claims (2)

In a battery mounting apparatus in which one or a plurality of batteries are stored in a storage container having a predetermined shape, the storage container is composed of a container body and a lid, and the container body and the lid are elastic between the container body and the lid. A packing made of a body is provided, and an attachment / detachment mechanism capable of easily tightening and fixing the space between the container body and the lid through the packing and capable of easily releasing the fixed state. A battery mounting device, characterized in that a clamping means is provided. A small lid that can be removed at the time of charging the battery or maintaining and inspecting related devices is provided on the container main body or the lid body. The battery mounting device according to claim 1, wherein the battery mounting device is fixed to the container body or the lid.

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