JP2018125108A - Electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic apparatus capable of housing one of cylindrical batteries having different sizes respectively and also capable of preventing cylindrical batteries having different sizes respectively from being housed simultaneously, with a small number of components and a small number of assembly steps.SOLUTION: An electronic apparatus includes: a first holding part for holding a first battery and a second holding part for holding a second or third battery; a first pressing part for pressing the first battery and a second pressing part for pressing the second battery; a first housing region which is formed by the first holding part and the first pressing part and in which the first battery is housed; a second housing region which is formed by the second holding part and the second pressing part and in which the second or third battery is housed; and a holding member which is provided to be movable between the first housing region and the second housing region, which prevents two or more types of cylindrical batteries among the three types of cylindrical batteries from being housed simultaneously, and which holds the third battery in the second housing region.SELECTED DRAWING: Figure 5

Description

The present invention relates to a structure for storing a battery of an electronic device using a dry battery or a rechargeable battery as a power source.

Some electronic devices driven by power supplied from a dry battery or a rechargeable battery use a cylindrical dry battery or a rechargeable battery (hereinafter referred to as a cylindrical battery). Some cylindrical batteries have different diameters and lengths, such as single type (R20 in Japanese Industrial Standards (JIS)), single type (same, R14), and single type (same, R6). To do. Therefore, when the battery storage unit of the electronic device has a structure that can store only one type of cylindrical battery, the capacity of the cylindrical battery stored in the battery storage unit is lost, and a cylindrical battery of the same size is stored. If not, the electronic device cannot be used.

Among such electronic devices, especially in disaster prevention radio receivers installed in homes that receive disaster prevention radio from municipalities, there is no replacement cylindrical battery, and emergency broadcasts regarding disasters such as earthquakes and heavy rain with disaster prevention radio receivers It becomes a big problem that it becomes impossible to receive. In order to solve such a problem, it is possible to reduce a risk that the disaster prevention radio cannot be received by providing a battery storage unit that can use cylindrical batteries of different sizes in an electronic device.

  As a battery storage part of an electronic device that can store cylindrical batteries having different sizes as described above, for example, a battery storage part described in Patent Document 1 has been proposed. The battery storage unit described in Patent Document 1 is disposed below the front surface of the electronic device main body casing, and has a battery lid that covers the battery storage unit. Moreover, it has the 1st holding member provided in the battery storage part so that rotation was possible in the up-down direction, and has the 2nd holding member provided in the battery cover so that rotation was possible up and down.

  The battery housing part is provided with a first holding part for holding the single battery and a second holding part for holding the single battery. Further, the battery lid is provided with a first pressing part for pressing the single battery and a second pressing part for pressing the single battery. A first storage area for storing the single battery is formed by the first holding part and the first pressing part. In addition, a second storage area for storing the single battery is formed by the second holding part and the second pressing part. Furthermore, a region for storing the AA batteries is formed by the first holding member and the second holding member moved to the second storage region.

  The battery storage unit described above stores the AA batteries in the region formed by the first holding member and the second holding member when the user uses the AA batteries. In addition, when the user uses a single battery or a single battery, the first holding member and the first holding member are rotated by rotating the first holding member and the second holding member in either the upper or lower direction. The single battery is stored in the first storage area formed by the above, or the single battery is stored in the second storage area formed by the second holding portion and the second pressing portion.

  Also, when a single battery is stored in the first storage area, it protrudes into the second storage area, and when a single battery or AA battery is stored in the second storage area, it protrudes into the first storage area. The simultaneous storage preventing member prevents the cylindrical batteries of different sizes from being stored at the same time.

JP 2006-114460 A

In the battery storage part of the electronic device described in Patent Literature 1, as described above, any one of cylindrical batteries (single battery, single battery, single battery) having different sizes is stored and In order to prevent simultaneous storage of different cylindrical batteries, three movable members of the first holding member, the second holding member, and the simultaneous storage preventing member are required, which increases the number of parts and increases the number of assembly steps. There was a problem that it took.

  The present invention has been made in view of the above problems, and can store any of cylindrical batteries of different sizes with a small number of parts and assembly steps, and can prevent simultaneous storage of cylindrical batteries of different sizes. The purpose is to provide.

In order to solve the above-described problems, the electronic device according to the present invention includes a battery storage unit that can store three types of cylindrical batteries, a first battery, a second battery, and a third battery, the first battery, A second battery, an opening for taking in and out the third battery, a battery lid covering the opening, a first holding part for holding the first battery provided in the battery housing part, and the second battery or the second battery. 3 a second holding part that holds the battery, a first holding part that is provided on the battery lid and holds down the first battery, a second holding part that holds down the second battery, the first holding part, and the first holding part. A first storage region for storing the first battery formed by a portion, a second storage region for storing the second battery or the third battery formed by the second holding portion and the second pressing portion, Provided between the first storage area and the second storage area so as to be movable; Preventing simultaneous storage of two or more cylindrical batteries of the type of cylindrical batteries, and characterized by comprising a holding member for holding the third cell in the second accommodating region.

According to a second aspect of the present invention, the holding member includes a third pressing portion that presses a side surface of the third battery on the battery lid side in the second storage region, and the opening from the third pressing portion. An extending portion formed by extending to the side, a first abutting portion that is formed at a distal end of the extending portion and that covers the opening, and that contacts the second pressing portion of the battery lid, and the third pressing portion A shaft portion that is formed at one end and is pivotally supported so that the holding member can move between the first storage region and the second storage region, and is formed on the shaft portion side of the third pressing portion. A convex part that enters the first storage area when the three batteries are stored, and a second contact part that is formed at the other end of the third pressing part and contacts the second holding part when the first battery is stored. It is characterized by having

According to the electronic apparatus of the present invention configured as described above, since the number of movable members can be reduced, the cost can be reduced by reducing the number of parts and the number of assembly steps.

It is an external appearance perspective surface of the electronic device which is embodiment of this invention. FIG. 2 is an exploded perspective view of a main part of FIG. 1 and a drawing illustrating each battery stored in a battery storage unit. It is drawing explaining the battery accommodating part in embodiment of this invention, (A) is the state perspective view which removed the holding member from the battery accommodating part, (B) is the essential in the state which mounted | wore the holding member in (A). Part F view (C) is an XX cross-sectional view in (B). It is the perspective view which looked at the lid | cover of the battery accommodating part in the embodiment of this invention from the back surface. It is drawing explaining the storage state of each battery in embodiment of this invention, (A) is explanatory drawing of each storage part, (B) is the state figure which accommodated the 1st battery, (C) is the 2nd battery. (D) is the state figure which accommodated the 3rd battery.

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. As an embodiment, a disaster prevention radio receiver that is installed in each home and can receive a disaster prevention radio of a municipality and uses a cylindrical battery as a driving power source will be described as an example. The present invention is not limited to the following embodiments, and various modifications can be made without departing from the spirit of the present invention.

As shown in FIG. 1, the electronic device 1 according to the present embodiment has a box-shaped housing in which a front case 2 and a back case 3 each formed of a synthetic resin material are combined. In the following description, if necessary, the front case 2 side is the front side of the electronic device 1, the back case 3 side is the back side of the electronic device 1, and the right direction when the front case 2 is viewed from the front side is electronic. The right side of the device 1 and the left direction when the front case 2 is viewed from the front side are referred to as the left side of the electronic device 1.

As shown in FIG. 2 and FIG. 3A, at the lower part of the front case 2, half of the right side surface of the front case 2 is opened to the right and most of the front surface of the front case 2 is opened forward. An opening 2a for storing a cylindrical battery is provided in the battery storage unit 5 to be operated. Moreover, the lid | cover 4 shown in FIG. 1 which is a battery lid | cover which covers the opening part 2a formed with the synthetic resin material is provided.

  The front case 2 and the back case 3 have terminals for receiving various signals transmitted from the disaster prevention radio equipment in the municipalities and other electronic devices, and operations for selecting functions and various settings of the electronic device 1. And a display unit for displaying the selected function and the current setting status. In addition, a receiving unit that receives various signals, a control unit that executes processing according to the operation of the operation unit and displays the result on the display unit, and the like are provided inside the housing. Since each of these devices is not directly related to the present invention, illustration and detailed description are omitted.

  As shown in FIG. 2, a battery housing 5 is provided inside the housing from the opening 2 a of the front case 2. As shown in FIG. 3B, the battery storage unit 5 includes a first storage region 5q, a second storage region 5r, a holding member 5a, a negative electrode terminal 5b, and a positive electrode terminal 5c shown in FIG. Have In the electronic device 1 of the present embodiment, two of the three types of cylindrical batteries, the first battery 30, the second battery 40, and the third battery 50 shown in FIG. The first battery 30 is a single battery, the second battery 40 is a single battery, and the third battery 50 is an AA battery. Here, with regard to the size (length and diameter) of each cylindrical battery, the second battery 40 and the third battery 50 have the same length, and the first battery 30 is more than the second battery 40 and the third battery 50 long. Further, the diameter of the first battery 30 is larger than that of the second battery 40, and the diameter of the second battery 40 is larger than the diameter of the third battery 50. The reason why the battery storage unit 5 is provided on the front surface of the housing is to facilitate battery replacement even when the electronic device 1 is attached to the wall.

In addition, as shown in FIG. 2, the part which contact | abuts the battery storage part 5 side among each side surface of the 1st battery 30, the 2nd battery 40, and the 3rd battery 50 is a battery storage part side contact surface (30a, 40a, 50a), the lid side portion on the opposite side of the battery housing portion side contact surface (30a, 40a, 50a) is referred to as a lid side surface (30b, 40b, 50b).

  As shown in FIG. 3B, the first storage region 5q is formed by a first holding portion 5d, an upper surface 5g, a first left surface 5j, and a first right surface 5l. When the first storage area 5q is viewed from the front side, the first storage area 5q is a rectangle that is long in the left-right direction due to a boundary portion 5p that is a connection portion between each of the above-described components, the first holding portion 5d, and a second holding portion 5e described later. It becomes a shape.

As shown in FIG. 3A, the first left surface 5j is provided with a first battery negative electrode terminal 5ba constituting one of the negative electrode terminals 5b. The first right surface 5l is provided with a first battery positive electrode terminal 5ca constituting one of the positive electrode terminals 5c. The length of the first storage area 5q in the left-right direction, that is, the distance between the first left surface 5j and the first right surface 5l is determined so that the first battery negative terminal 5ba and the first battery positive terminal 5ca are connected to the first storage area 5q. In consideration of the protrusion, two first batteries 30 can be accommodated in series.

As shown in FIG. 3C, the first holding portion 5 d has a circular arc shape whose cross section is one third of a circle, and is formed in a curved surface corresponding to the shape of the first battery 30. The upper end of the first holding part 5d is connected to one end of the upper surface 5g. The upper surface 5g is formed so that the other end extends to the opening 2a. The lower end of the first holding part 5d is connected to the upper end of the second holding part 5e.

The second storage area 5r is formed by a second holding portion 5e shown in FIG. 3C, a lower surface 5h, a second left surface 5k shown in FIG. 3A, and a second right surface 5m. As shown in FIG. 3B, the second storage area 5r is disposed below the first storage area 5q. When the second storage area 5r is viewed from the front side, the second storage area 5r is moved in the left-right direction by the components and the boundary 5p. Long rectangular shape.

As shown in FIG. 3A, the second left surface 5k is provided with a second / third battery negative electrode terminal 5bb constituting the other of the negative electrode terminals 5b. The second right surface 5m is provided with a second / third battery positive electrode terminal 5cb constituting the other of the positive electrode terminals 5c. The length of the second storage area 5r in the left-right direction, that is, the distance between the second left surface 5k and the second right surface 5m is the second / third battery negative terminal 5bb and the second / third battery positive terminal 5cb. The second battery 40 or the third battery 50 can be stored in series in consideration of the protrusion to the two storage area 5r.

As shown in FIG. 3C, the second holding part 5e has an arc shape whose cross section is approximately one third of a circle, and is formed in a curved surface corresponding to the shape of the second battery 40. The lower end of the second holding part 5e is connected to one end of the lower surface 5h. The lower surface 5h is formed so that the other end extends to the opening 2a.

As described above, the first storage region 5q has a shape corresponding to the outer shape of the first battery 30, and the second storage region 5r has a shape corresponding to the outer shape of the second battery 40. Accordingly, the volume of the first storage area 5q is larger than the volume of the second storage area 5r. Moreover, the two bearing parts 5f by which the shaft part 5ab mentioned later of the holding member 5a is inserted are provided in the boundary part 5p.

As shown in FIG. 3A, the holding member 5a is formed by a third pressing portion 5aa for pressing the lid side surface 50b of the third battery 50, and extending from the third pressing portion 5aa toward the opening 2a. Extending portion 5ac, first contact portion 5ad formed at the tip of extending portion 5ac in a shape corresponding to the side surface of second battery 40, and holding member 5a formed at one end of third pressing portion 5aa. A shaft portion 5ab that pivotally supports the storage region 5q and the second storage region 5r is provided. Moreover, it has the convex part 5af formed in the one end side of the 3rd pressing part 5aa mentioned later for details, and the 2nd contact part 5ae formed in the other end of the 3rd pressing part 5aa.

As shown in FIG. 3B, the length of the holding member 5a in the left-right direction is smaller than the length of the second storage region 5r in the left-right direction, and is long enough to hold the two third batteries 50 in series. Has been. The height (H1) of the holding member 5a is smaller than the height (H2) of the second storage area 5r.

As shown in FIG. 3C, the third pressing portion 5aa has an arc shape whose cross section is approximately one third of a circle, and is formed in a curved surface corresponding to the shape of the third battery 50. As shown in FIG. 3A, the length in the left-right direction of the third pressing portion 5aa, the extending portion 5ac, and the contact portion 5ad is the same as the length in the left-right direction of the holding member 5a.

  As shown in FIG. 4, the lid 4 is formed in an L shape so that the cross-sectional shape covers the opening 2 a extending from the front side of the front case 2 to the right side. On the back surface 4 a of the lid 4, five ribs 4 b extending in the vertical direction from the upper end to the lower end of the lid 4 are provided. The ribs 4b are arranged side by side with a gap from the left side of the lid 4.

Each rib 4b has a first pressing portion 4c and a second pressing portion 4d. Each first pressing portion 4 c has an arc shape that is a quarter of a circle, and has a shape corresponding to the side surface of the first battery 30. Each second pressing portion 4d has an arc shape that is 1/6 of a circle, and has a shape corresponding to the side surface of the second battery 40. Further, in each rib 4b, the first pressing portion 4c is disposed above the second pressing portion 4d. That is, the first pressing portion 4c is arranged corresponding to the first storage region 5q, and the second pressing portion 4d is arranged corresponding to the second storage region 5r.

When the lid 4 is attached to the battery storage unit 5 described above, the state shown in FIG. Here, FIG. 5A is a drawing in which the cross-sectional view of the lid 4 (cross-sectional view where the rib 4b can be seen) is combined with the cross-sectional view of the battery housing portion 5 of FIG. FIG. 5A shows a case where the third pressing portion 5aa is arranged in the second storage area 5r.

As shown in FIG. 5A, the first holding region 5q for storing the first battery 30 is formed by the first holding portion 5d of the battery storage portion 5 and the first pressing portion 4c of the lid 4. In addition, a second storage area 5 r for storing the second battery 40 is formed by the second holding part 5 e of the battery storage part 5 and the second pressing part 4 d of the lid 4. A third storage region 5s for storing the third battery 50 is formed by the second holding portion 5e of the battery storage portion 5 and the third pressing portion 5aa of the holding member 5a disposed in the second storage region 5r. .

Next, the storing operation of each of the first battery 30, the second battery 40, and the third battery 50 in the battery storage unit 5 will be described with reference to FIGS. First, the case where the first battery 30 is stored in the battery storage unit 5 will be described with reference to FIG. 5B, and the case where the second battery 40 and the third battery 50 are stored in the battery storage unit 5 in this order will be described. 5 (C) and FIG. 5 (D) will be described.
<Storage of first battery 30>

When storing the first battery 30 in the battery storage unit 5, first, the lid 4 is removed from the front case 2. Next, the holding member 5a is moved to the second storage area 5r side to a position where the second contact portion 5ae of the third pressing portion 5aa contacts the second holding portion 5e. Next, the two first batteries 30 are inserted into the first storage area 5q so as to be in series, the battery storage part side contact surface 30a of the first battery 30 is applied to the first holding part 5d, and the lid 4 Close.

When the lid 4 is closed, the lid side surface 30 b of the first battery 30 is pressed by the first pressing portion 4 c of the lid 4. In this way, as shown in FIG. 5B, the first battery 30 is stored in the first storage region 5q. When the first battery 30 is stored in the first storage region 5q, the negative electrode of the first battery 30 on the left side of the first batteries 30 stored in series comes into contact with the negative terminal for the first battery 5ba. Further, the positive electrode of the first battery 30 on the right side is in contact with the first battery positive electrode terminal 5ca. Thereby, electric power is supplied from the two first batteries 30 to the electronic device 1.
<Storage of second battery 40>

When storing the second battery 40 in the battery storage unit 5, first, the lid 4 is removed from the front case 2. Next, the holding member 5a is moved to the first storage area 5q. Next, the two second batteries 40 are inserted into the second storage region 5r so as to be in series, the battery storage part side contact surface 40a of the second battery 40 is applied to the second holding part 5e, and the lid 4 Close.

When the lid 4 is closed, the lid side surface 40 b of the second battery 40 is pressed by the second pressing portion 4 d of the lid 4. In this way, as shown in FIG. 5C, the second battery 40 is stored in the second storage region 5r. When the second battery 40 is stored in the second storage area 5r, the negative electrode of the second battery 40 on the left side of the second batteries 40 stored in series comes into contact with the second / third battery negative terminal 5bb. . Further, the positive electrode of the right second battery 40 is in contact with the second / third battery positive terminal 5cb. Thereby, electric power is supplied from the two second batteries 40 to the electronic device 1.
<Storage of third battery 50>

  When storing the third battery 50 in the battery storage unit 5, first, the lid 4 is removed from the front case 2. The holding member 5a is once moved to the first storage area 5q. Next, the two third batteries 50 are inserted into the third storage region 5s so as to be in series, and the battery storage part side contact surface 50a of the third battery 50 is applied to the second holding part 5e. Next, the holding member 5a is moved to the second storage area 5r side until the third pressing portion 5aa of the holding member 5a contacts the lid side surface 50b of the third battery 50, and the lid 4 is closed.

When the lid 4 is closed, the abutting portion 5ad of the holding member 5a abuts on the second pressing portion 4d of the lid 4, thereby pressing the third battery 50 toward the second holding portion 5e. In this way, as shown in FIG. 5D, the third battery 50 is stored in the third storage area 5s formed in the second storage area 5r. When the third battery 50 is stored in the third storage region 5s, the negative electrode of the third battery 50 on the left side of the third batteries 50 stored in series comes into contact with the second / third battery negative terminal 5bb. . Also, the positive electrode of the right third battery 50 is in contact with the second / third battery positive terminal 5cb. Thereby, electric power is supplied from the two third batteries 50 to the electronic device 1.

In the operation of storing each battery described above in the battery storage unit 5, when one of the first battery 30 and the second battery 40 is stored in the storage area corresponding to each battery, the other battery Since the holding member 5a is arranged in the storage area, the first battery 30 and the second battery 40 cannot be inserted simultaneously. When the third battery 50 is stored, the holding member 5a is disposed in the second storage region 5r, and therefore the second battery 40 and the third battery 50 cannot be inserted simultaneously. Similarly, when the third battery 50 is stored, as shown in FIG. 5D, the convex portion 5af of the third pressing portion 5aa is a boundary line of the first storage region 5q that stores the first battery 30. The first battery 30 and the third battery 50 cannot be inserted at the same time because the first storage area 5q is entered beyond the dotted line portion DL.

  Note that the second / third battery positive terminal 5cb has a size in contact with the positive electrode when either the second battery 40 or the third battery 50 is accommodated. Further, the second / third battery negative electrode terminal 5bb is arranged at a position in contact with the negative electrode when either the second battery 40 or the third battery 50 is accommodated.

As described above, according to the electronic apparatus of the present invention, since the third battery 50 is pressed from the lid side surface 50b to the second holding portion 5e, the movable device conventionally provided in each of the lid and the battery storage portion is movable. The holding member can be one of the holding members 5 a of the battery storage unit 5. Thereby, a user can reduce the trouble at the time of replacing with a cylindrical battery having a different size. In addition, when the third battery 50 is stored, a part of the third pressing portion 5aa of the holding member 5a is applied to the first storage region 5q, so that the conventional storage of the first battery 30 and the third battery 50 is prevented. A movable member can be made unnecessary. Thus, by reducing the number of movable members from the conventional three to one, the cost can be reduced by reducing the number of parts and the number of assembly steps.

DESCRIPTION OF SYMBOLS 1 Electronic device 2 Front case 2a Opening part 3 Back case 4 Lid 4a Back surface 4b Rib 4c 1st press part 4d 2nd press part 5 Battery accommodating part 5a Holding member 5aa 3rd press part 5ab Shaft part 5ac Extension part 5ad 1st contact Contact portion 5ae Second contact portion 5af Protrusion portion 5b Negative electrode terminal 5ba First battery negative electrode terminal 5bb Second / third battery negative electrode terminal 5c Positive electrode terminal 5ca First battery positive electrode terminal 5cb Second / third battery positive electrode Terminal 5d First holding portion 5e Second holding portion 5f Bearing portion 5g Upper surface 5h Lower surface 5j First left surface 5k Second left surface 5l First right surface 5m Second right surface 5q First storage region 5r Second storage region 5s Third storage region 5p Boundary portion 30 First battery 30a Battery storage portion side contact surface 30b Lid side surface 40 Second battery 40a Battery storage portion side contact surface 40b Cover side surface 50 Third battery 50a Battery storage portion side contact surface 50b Cover side

Claims (2)

A battery housing part capable of housing three types of cylindrical batteries, a first battery, a second battery, and a third battery, an opening part for taking in and out the first battery, the second battery, and the third battery, and the opening part A battery cover that covers the battery, a first holding part that is provided in the battery housing part and holds the first battery, a second holding part that holds the second battery or the third battery, and the battery cover that is provided on the battery cover. A first holding part for holding the first battery; a second holding part for holding the second battery; a first storage area formed by the first holding part and the first holding part; A second storage area formed by the second holding part and the second pressing part for storing the second battery or the third battery, and movably provided between the first storage area and the second storage area. Simultaneous collection of two or more types of cylindrical batteries among the three types of cylindrical batteries An electronic apparatus comprising: a holding member for holding the third battery preventing, and in the second accommodating region. The holding member includes a third pressing portion that presses a side surface of the third battery on the battery lid side in the second storage region, and an extending portion that extends from the third pressing portion toward the opening. A first contact portion that contacts the second pressing portion of the battery lid that is formed at the distal end portion of the extending portion and covers the opening, and the holding member is formed at one end of the third pressing portion. A shaft portion that is pivotally supported so as to be movable between the first storage region and the second storage region, and the first battery when the third battery is stored on the shaft portion side of the third pressing portion. And a second abutting portion formed on the other end of the third pressing portion and abutting against the second holding portion when the first battery is accommodated. Item 2. The electronic device according to Item 1.

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