JP4894596B2 - Portable information reader - Google Patents

Description

The present invention relates to a battery-driven portable information reader having a reading function for an optical information code and an ID tag, and more particularly to a portable information reader capable of accommodating two types of batteries.

The portable information reader may be used for a long time without battery replacement, or may be used while replacing the battery at a normal pace, depending on the usage mode of the user. In order to meet each request, it is desirable that one portable information reader can accommodate either a large battery with a large capacity or a small battery with a small capacity. Here, Patent Document 1 discloses a battery housing structure that can accommodate both a square secondary battery and a cylindrical AA battery.
Japanese Patent Laid-Open No. 11-144893

However, as shown in FIG. 8 (A), the large battery 56L is accommodated in the battery accommodating portion 270 having the recess 274 and the battery lid 280 having the recess 281, and the small battery as shown in FIG. 8 (B). When 56S is accommodated, a space is formed in the recess 281 of the battery lid 280. For this reason, when the portable information reader is dropped, the terminal of the small battery is disconnected from the connection terminal on the portable information reader and power supply is cut off.

The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a portable information reader capable of accommodating a large battery and a small battery having different thicknesses. .

In order to achieve the above object, according to the first aspect of the present invention, the housing 60 is provided with the concave battery housing portion 70, and the battery lid 80 detachably attachable to the housing 60 from the battery housed in the battery housing portion 70. A portable information reader 10 held by
The battery housing part 70 can be inserted with one large battery 56L or two small batteries 56S having the same vertical and horizontal length and a thickness of at least twice,
The battery cover 80 can be fitted with one small battery 56S, and when one small battery 56S is accommodated in the battery accommodating portion 70, the small battery 56S comes into contact with the upper surface of the small battery 56S. It has a claw portion 86a to hold down,
The claw portion 86a is configured to be retractable toward the concave side wall 74 of the battery accommodating portion 70 when the large battery 56L is accommodated in the battery accommodating portion 70. .

In the portable information reading device according to claim 1, when one battery cover is accommodated such that the lower surface of the small battery faces the concave bottom of the battery accommodating portion, the battery lid contacts the upper surface of the small battery. Since the supporting claw portion is provided, the small battery does not move even when a small battery is accommodated in the battery accommodating portion by holding and supporting the claw portion. For example, the portable information reader is dropped. In this case, the terminal of the small battery is disconnected from the connection terminal on the portable information reader side, so that the power supply is not cut off. On the other hand, when the large battery is accommodated in the battery accommodating portion, the claw portion is retracted toward the concave side wall of the battery accommodating portion, so that a thick large battery can be accommodated.

According to another aspect of the portable information reader of the present invention, when one small battery is accommodated in the battery accommodating portion and one small battery is accommodated in the battery lid, the lower surface of the one small battery accommodated in the battery accommodating portion is the battery accommodating portion. The upper surface of the small battery is pressed by the claw portion, the small battery mounted on the battery lid is abutted on the battery lid side, and the lower surface is abutted and supported by the claw portion. The That is, since the small battery attached to the battery lid is supported on the battery lid side, the battery lid can be easily attached to the housing side in a state in which the small battery attached to the battery lid is accommodated. Furthermore, the claw portion, the flexure piece, and the battery lid can be integrally formed, and the manufacturing cost can be reduced.

In the portable information reading device according to claim 3, since the claw portion is formed at the tip of the bending piece that comes into contact with the lower surface in the thickness direction of the small battery, the bending piece comes into contact with the side surface of the small battery, thereby reducing the size. The battery does not move, and the battery lid can be easily attached to the housing in a state where the small battery mounted on the battery lid is accommodated. Further, the small battery attached to the battery lid does not move in a state where the battery lid is attached to the housing, and rattling due to the collision between the small battery and the battery lid can be prevented.

According to another aspect of the portable information reader of the present invention, when one small battery is accommodated so that the bottom surface of the small battery faces the concave bottom of the battery accommodating portion, the small battery is brought into contact with the top surface of the small battery. Since the second claw portion to be pressed is provided in the battery housing portion, the one small battery can be fixed even when the battery cover is removed. Furthermore, when removing the one small battery, it can be easily removed by bending the bending piece supporting the second claw portion. For this reason, the ribbon for removing the battery can be eliminated.

In the portable information reading device according to claim 5, when one small battery is accommodated so as to face the concave bottom of the battery accommodating portion, the nail portion is energized by the urging member and is moved from the battery lid. Projecting and abutting on and supporting the upper surface of the small battery so that the small battery does not move even when the small battery is accommodated in the battery accommodating portion, for example, even when the portable information reader is dropped. The terminal of the small battery is disconnected from the connection terminal on the portable information reader side, so that the power supply is not cut off. On the other hand, when the large battery is accommodated in the battery accommodating portion, the claw portion is retracted to the battery lid, so that a thick large battery can be accommodated.

In the portable information reading device according to claim 6, since the inclined surface is provided on the side surface of the plate-like claw portion, when the battery lid is attached, the claw portion is retracted when it comes into contact with the large battery. It becomes easy.

[First embodiment]
Hereinafter, a first embodiment in which the present invention is applied to a portable information reader will be described with reference to FIGS. FIG. 1 shows a cross section of the portable information reader 10. The portable information reader 10 includes an operation unit 12 that also serves as a gripping unit, for example, a display unit 14 made of liquid crystal. For example, the operation unit 12 is provided with a plurality of key switches 16, and the operation contents are instructed by these key switches 16. In addition to the key switch 16, the operation unit 12 is provided with a trigger switch 18 for instructing the start of reading.

A printed wiring board 20 is fixed in a housing 60 of the portable information reading apparatus 10, and key switches 16 are mounted in a matrix on one surface of the printed wiring board 20. A two-dimensional light receiving sensor 32 is erected and mounted on the other surface of the printed wiring board 20.

The optical system unit 30 is disposed in the opening 60A formed at the front end of the housing 60, and the reflecting mirror 34 is disposed in the housing 60 at a position on the optical axis of the optical system unit 30. In addition, the two-dimensional light receiving sensor 32 is positioned on the optical axis bent by the reflecting mirror 34. The detection object is imaged on the two-dimensional light receiving sensor 32 via the optical system unit 30 and the reflecting mirror 34.

A hole 22a is formed in the center of the printed circuit board 22 near the opening 60A, and a plurality of illumination LEDs 38 are mounted around the hole 22a. A transmitting antenna coil 42 is disposed corresponding to the peripheral edge of the printed wiring board 22.

A lens unit 36 is mounted in the hole 22 a formed in the printed wiring board 22. The lens unit 36 is integrally formed with a condenser lens 36a that condenses the reflected light from the detection target and a light projection lens 36b that projects the light from the illumination LED 38 to the front. . On the other hand, a receiving antenna coil 44 is disposed on the back surface of the printed wiring board 22.

FIG. 2 shows an electrical configuration of the portable information reader 10. A microcomputer (hereinafter referred to as a microcomputer) 50 controls lighting of the illumination LED 38 in response to the operation of the trigger switch 18 and detects an image signal from the two-dimensional light receiving sensor 32. Further, the microcomputer 50 outputs a power signal to the transmission antenna coil 42 and extracts a reception signal from the ID tag received by the reception antenna coil 44.

Here, when the microcomputer 50 communicates with the ID tag, the automatic tuning circuit 52 forms a resonance circuit with the transmission antenna coil 42 and the capacitor, and the resonance frequency is automatically set to be substantially the same as the transmission frequency. The capacitor capacity of the resonance circuit is controlled. In addition, the microcomputer 50 informs the user of the end of reading by driving the sound generation unit 54.

As shown in FIG. 1A, the portable information reader 10 of the first embodiment accommodates two small batteries 56S (in this case, one is connected as a power source, the other one is for replacement). ), One small battery 56S can be accommodated as shown in FIG. 1B, and one large battery 56L can be accommodated as shown in FIG. 1C. Here, the small battery 56 </ b> S and the large battery 56 </ b> L have the same length and width and are slightly different in thickness.

This housing structure will be described with reference to FIGS.
FIG. 3A is a bottom view of the portable information reader 10 containing two small batteries 56S shown in FIG. 1A as viewed from below, and FIG. 3A is a cross-sectional view taken along line bb in FIG. 3C, FIG. 3C is a cross-sectional view taken along line cc in FIG. 3A, and FIG. 3D is a portable information reading device shown in FIG. It is sectional drawing which shows the state which removed the battery cover from the apparatus. 4A is a side view of the battery lid in a state where the small battery 56S is accommodated, and FIG. 4B is a bottom view of the battery lid of FIG. 4A. 4C is a side view of the battery lid in a state where the small battery 56S is not accommodated, and FIG. 4D is a bottom view of the battery lid of FIG. 4C. FIG. 5A is a bottom view of the portable information reader 10 containing the large battery 56L in FIG. 1C as viewed from below, and FIG. 5B is a view of FIG. It is b2-b2 sectional drawing, FIG.5 (C) is c2-c2 sectional drawing of FIG. 5 (A). FIG. 5D is a cross-sectional view of a state where one small battery 56S is accommodated. 6A is a cross-sectional view taken along line a1-a1 of the portable information reading apparatus that accommodates two small batteries 56S shown in FIG. 3B, and FIG. 6B is a cross-sectional view taken along line b1-b1. . FIG. 6C is a cross-sectional view of a state where one small battery 56S is accommodated. 6D is a d1-d1 cross-sectional view of a portable information reading apparatus that accommodates one large battery 56L shown in FIG. 5B, and FIG. 6E is an e1-e1 cross-sectional view. .

As shown in FIGS. 3A and 3B, a concave battery housing portion 70 is formed in the casing 60, and a detachable battery lid 80 is attached to the casing 60. 3B is displayed upside down with respect to FIG. 1. In the following description, the battery lid 80 side is referred to as the upper side, and the battery housing portion 70 side is referred to as the lower side. The rear end side in the vertical direction of the battery cover 80 (hereinafter, the vertical direction means the longitudinal direction of the portable information reader, the front end side in the vertical direction is the opening 60A side, and the rear end side in the vertical direction is the front end side. An engagement piece 82 is formed on the opposite side), and a key-shaped key member 84 is formed on the longitudinal tip side. The battery lid 80 is attached to the housing 60 by fitting the engagement piece 82 into the engagement hole 60 a of the housing and engaging the key member 84 with the tip of the lock member 62. The lock member 62 is slid in the direction of the arrow Y in the figure by the lock knob 62a, whereby the tip of the lock member 62 is engaged and disengaged from the key member 84, and locked and unlocked.

The concave battery housing portion 70 includes a side wall 74 and a bottom portion 76, and the bottom portion 76 faces the lower surface of the small battery 56S or the large battery 56L to be housed. A cushioning cushion 79 is provided on the upper surface of the bottom 76. As shown in FIG. 3D, the side wall 74 is formed into a vertical wall on the front end side and the rear end side in the vertical direction. On the other hand, as shown in FIG. 6A, which is an a1-a1 cross-sectional view of FIG. 3B, the side wall 74 in the lateral direction (hereinafter, the lateral direction means the lateral direction of the portable information reader) The portion of the lateral side wall 74 on the bottom 76 side is formed in a width that contacts the side surfaces of the small battery 56S and the large battery 56L, and can accommodate the small battery 56S and the large battery 56L. It is like that. The upper side of the side wall 74 is widened to the side, and a clearance is provided for the small battery 56S and the large battery 56L to facilitate replacement. As shown in FIG. 3D, a connection terminal 72 for connecting to the terminals of the small battery 56S and the large battery 56L is provided on the longitudinal end side of the battery housing portion 70. A second claw 78 for holding the accommodated small battery 56S is formed on the rear end side in the vertical direction. The second claw 78 holds the second claw portion 78a whose lower surface is in contact with the upper surface of the small battery 56S, and the second claw portion 78a, and is bent in the direction of the side wall 74 on the rear end side in the vertical direction. It consists of a piece 78b.

In the portable information reader 10 of the first embodiment, when one small battery 56S is accommodated so that the lower surface of the small battery 56S faces the bottom 76 of the battery accommodating part 70, the small battery 56S comes into contact with the upper surface of the small battery 56S. Since the second claw portion 78a for holding the small battery 56S is provided in the battery housing portion 70, the single small battery 56S can be fixed even when the battery cover 80 is removed. Further, when removing the single small battery 56S, it can be easily removed by bending the bending piece 78b supporting the second claw portion 78a. For this reason, the ribbon for removing the battery can be eliminated.

As shown in FIG. 4B, the battery cover 80 includes a holding plate 88 that holds the rear end side in the vertical direction of the small battery 56S, and two pairs of claws 86 that hold the small battery 56S accommodated in the battery cover 80. With. The L-shaped claw 86 whose cross section is shown in FIG. 6 (A) includes a claw portion 86a on the distal end side and a bending piece 86b that supports the claw portion 86a. The flexible piece 86b contacts the side surface of the small battery 56S held by the battery lid 80. On the other hand, as shown in FIG. 6D, when the large battery 56L is accommodated, the bending piece 86b bends so as to retract the claw portion 78a toward the side wall 74 in the lateral direction of the battery accommodating portion. As shown in FIG. 6A, the upper surface of the claw portion 86a abuts on the lower surface of the small battery 56S to be held, and the lower surface of the claw portion 86a is the upper surface of the small battery 56S housed in the battery housing portion 70. Abut. As shown in FIG. 4 (A), the battery lid 80 can be attached to the housing 60 even when the small battery 56S is held or when the small battery 56S is not held as shown in FIG. 4 (C). When the battery cover 80 does not hold the small battery 56, the lower surface of the claw portion 86a contacts the upper surface of the small battery 56S accommodated in the battery accommodating portion 70 as shown in FIG. 56S is fixed to the battery accommodating part 70. FIG. On the other hand, as shown in FIG. 6 (D), when the large battery 56L is accommodated in the battery accommodating portion 70, the claw portion 78a becomes the side wall because the bending piece 86b is bent toward the side wall 74 in the lateral direction. The battery cover 80 can be attached to the housing 60 even when retracted to the 74 side and the large battery 56L is accommodated.

In the portable information reading device 10 of the first embodiment, when one battery lid 80 is accommodated so that the lower surface of the small battery 56S faces the concave bottom 76 of the battery accommodating portion 70, the small battery 56 Since the claw portion 86a is provided to contact and support the upper surface of the 56S, the small battery 56S moves even when the small battery 56S is accommodated in the battery accommodating portion 70 by being supported by the claw portion 86a. For example, even when the portable information reader 10 is dropped, the terminal of the small battery 56S is disconnected from the connection terminal 72 on the portable information reader side, and the power supply is not cut off. On the other hand, when the large battery 56L is accommodated in the battery accommodating portion 70, the claw portion 86a is retracted toward the concave side wall 74 of the battery accommodating portion 70, so that the thick large battery 56L can be accommodated. is there.

Further, in the portable information reading device 10 of the first embodiment, when one small battery 56S is accommodated in the battery accommodating portion 70 and one is accommodated in the battery lid 80, one small amount is accommodated in the battery accommodating portion 70. The lower surface of the small battery 56S faces the concave bottom 76 of the battery housing portion 70, the upper surface of the small battery 56S is pressed by the claw portion 86a, and the small battery 56S attached to the battery lid 80 has the upper surface of the battery lid. The lower surface is abutted and supported by the claw portion 86a. In other words, since the small battery 56S attached to the battery lid 80 is supported on the battery lid 80 side, the battery lid 80 can be easily moved to the housing 60 side in a state where the small battery 56S attached to the battery lid 80 is accommodated. Can be attached to. Furthermore, the manufacturing cost can be reduced by forming the claw 86 including the claw portion 86a and the bending piece 86b integrally with the battery lid 80.

Furthermore, in the portable information reading device 10 of the first embodiment, the claw portion 86a is formed at the tip of the bending piece 86b that contacts the lower surface in the thickness direction of the small battery 56S, so the bending piece 86b is the small battery. The small battery 56S does not move by coming into contact with the side surface of the 56S, and the battery cover 80 can be easily attached to the housing 60 side while the small battery 56S attached to the battery cover 80 is accommodated. Further, the small battery 56S attached to the battery lid 80 does not move in a state where the battery lid 80 is attached to the housing 60, and rattling due to the collision between the small battery 56S and the battery lid 80 can be prevented. it can.

[Second Embodiment]
Next, a portable information reading apparatus according to the second embodiment of the present invention will be described with reference to FIG.
FIG. 7A is an explanatory diagram when the small battery 56S is accommodated in the battery accommodating portion of the portable information reading device of the second embodiment, and FIG. 7B is b3 in FIG. 7A. It is explanatory drawing corresponding to -b3 cross section, and FIG. 7 (A) respond | corresponds to the a3-a3 cross section in FIG. 7 (B). FIG. 7C is an explanatory diagram when the large battery 56L is accommodated in the battery accommodating portion, and FIG. 7D is an explanatory diagram corresponding to the d3-d3 cross section of FIG. FIG. 7C corresponds to a c3-c3 cross section in FIG. FIGS. 7E and 7F are explanatory views of attachment of the battery lid 80 when the large battery 56L is accommodated in the battery accommodating portion, and FIG. 7F is a view in FIG. Corresponds to the f3-f3 cross section.

In 1st Embodiment mentioned above, the small battery 56S was hold | maintained by the nail | claw part 86a, and when the large battery 56L was accommodated, the nail | claw part 86a was retracted to the side because the bending piece 86b bent. In contrast, in the second embodiment, the small battery 56S is held by the plate-like claw portion 96 as shown in FIG. 7B, and the large battery 56L is accommodated as shown in FIG. 7D. In doing so, the plate-like claw 96 is retracted to the battery lid 180 side by the spring 94 constituting the biasing member. The spring 94 is supported by the support member 92. The support member 92 is attached to a slot 186 provided in the battery lid 180.

That is, as shown in FIG. 7B, in the state where the small battery 56S is accommodated in the recess 184 of the battery lid 180, the plate-like claw portion 96 protrudes from the battery lid 180, and the plate-like claw portion 96. The upper surface (the right side in FIG. 7B) contacts and supports the lower surface of the small battery 56S. The small battery 56S is housed in the recess 174 of the battery housing 170, and the terminal of the small battery 56S is connected to the connection terminal 172 of the battery housing 170, and the upper surface of the small battery 56S is the plate-like claw 96. It is supported by contacting the lower surface.

On the other hand, as shown in FIGS. 7C and 7D, when the large battery 56L is housed in the recess 174 of the battery housing 170 and the recess 184 of the battery lid 180, the battery lid 180 is moved by the spring 94. The plate-like claw portion 96 is retracted inside.

In the portable information reading apparatus of the second embodiment, when one small battery 56S is accommodated so that the lower surface of the small battery 56S faces the bottom of the recess 174 of the battery accommodating part 170, the battery lid 180 is urged by the spring 94. Since the claw portion 96 protrudes from and contacts and supports the upper surface of the small battery 56S, even when the small battery 56S is accommodated in the battery accommodating portion 170, the small battery 56S does not move. Even when the reading device falls, the terminal of the small battery 56S is disconnected from the connection terminal 172 on the portable information reading device side, so that the power supply is not cut off. On the other hand, when the large battery 56L is accommodated in the battery accommodating portion 170, the claw portion 96 is retracted to the battery lid 180, so that the thick large battery 56L can be accommodated.

As shown in FIGS. 7E and 7F, the plate-like claw portion 96 is formed in a quadrangular shape, and a slope 96a on the side surface (vertical rear end side) with respect to the biasing direction of the spring 94 is formed. Has been. Since the inclined surface 96a is provided on the side surface of the plate-like claw portion 96, when the battery lid 180 is attached, the claw portion 96 is easily retracted when it comes into contact with the large battery 56L.

In the above-described embodiment, the portable information reader is exemplified as a portable information reader that can read both the optical information code and the ID tag. However, the battery housing structure of the present invention includes the optical information code and the ID tag. Needless to say, the present invention can be applied to only one portable information reader for reading.

It is sectional drawing of the portable information reader which concerns on 1st Embodiment of this invention. It is a block diagram which shows the electric constitution of the portable information reader of 1st Embodiment. FIG. 3A is a bottom view of the portable information reading apparatus containing two small batteries shown in FIG. 1A as viewed from below, and FIG. 3B is a view of FIG. 3C is a cross-sectional view taken along the line cc of FIG. 3A, and FIG. 3D is a plan view of the portable information reader shown in FIG. It is sectional drawing which shows the state which removed the battery cover. 4A is a side view of the battery lid in a state where a small battery is accommodated, and FIG. 4B is a bottom view of the battery lid of FIG. 4A. 4C is a side view of the battery lid in a state where the small battery is not accommodated, and FIG. 4D is a bottom view of the battery lid of FIG. 4C. FIG. 5A is a bottom view of the portable information reading apparatus that accommodates the large battery in FIG. 1C as viewed from below, and FIG. 5B is b2- in FIG. 5A. It is b2 sectional drawing, FIG.5 (C) is c2-c2 sectional drawing of FIG. 5 (A). FIG. 5D is a cross-sectional view of a state where one small battery is accommodated. 6A is a cross-sectional view taken along line a1-a1 of the portable information reading apparatus containing two small batteries shown in FIG. 3B, and FIG. 6B is a cross-sectional view taken along line b1-b1. FIG. 6C is a cross-sectional view of a state where one small battery is accommodated. 6D is a cross-sectional view taken along d1-d1 of the portable information reading apparatus in which one large battery shown in FIG. 5B is accommodated, and FIG. 6E is a cross-sectional view taken along e1-e1. FIG. 7A is an explanatory diagram when a small battery is accommodated in the battery accommodating portion of the portable information reading device of the second embodiment, and FIG. 7B is a b3- in FIG. 7A. It is explanatory drawing corresponding to a b3 cross section. FIG. 7C is an explanatory diagram when a large battery is accommodated in the battery accommodating portion, and FIG. 7D is an explanatory diagram corresponding to the d3-d3 cross section of FIG. 7C. FIGS. 7E and 7F are explanatory diagrams of attachment of a battery lid when a large battery is accommodated in the battery accommodating portion. It is explanatory drawing of the battery accommodation structure of a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Portable information reader 60 Case 70 Battery accommodating part 74 Side wall 76 Bottom part 78a Claw part 78b Deflection piece 80 Battery cover 86a Claw part 86b Deflection piece 94 Spring (biasing member)
96 Plate-shaped claw part 170 Battery accommodating part 180 Battery cover

Claims (6)

A portable information reading device comprising a housing with a concave battery housing, and holding the battery housed in the battery housing with a battery lid that is detachable from the housing,
The battery housing portion can be inserted one large battery having the same vertical and horizontal length and a thickness of twice or more, or one small battery,
The battery lid can be equipped with one small battery, and includes a claw portion that comes into contact with an upper surface of the small battery and holds the small battery when the small battery is accommodated in the battery accommodating portion. The claw portion is configured to be retractable toward the concave side wall of the battery housing portion when the large battery is housed in the battery housing portion. When one small battery is accommodated in the battery accommodating portion and one small battery is attached to the battery lid,
The lower surface of the small battery housed in the battery housing portion faces the concave bottom of the battery housing portion, and the upper surface of the small battery is pressed by the claw portion,
2. The portable information reader according to claim 1, wherein the small battery mounted on the battery lid has an upper surface abutted on the battery lid side and a lower surface abutted and supported by the claw portion. The claw portion is formed at the tip of a bending piece that can be bent in the side wall direction of the battery housing portion at a position that contacts the lower surface in the thickness direction of the small battery attached to the battery lid. The portable information reader according to claim 2. The battery accommodating portion includes a second claw portion that contacts the upper surface of the small battery and holds the small battery when the small battery is accommodated, and the second claw portion includes the first claw portion. 4. The portable information reading device according to claim 3, wherein the portable information reading device is formed in a bending piece that is in contact with the upper surface of each small battery and can be bent toward the concave side wall of the battery housing portion. The mobile phone according to claim 1 or 2, wherein the claw portion is formed in a plate shape, can be protruded from the battery lid by an urging member, and can be retracted to the battery lid side. Type information reader. 6. The portable information reader according to claim 5, wherein the plate-like claw portion is formed in a quadrangular shape, and an inclined surface is provided on a side surface side with respect to the urging direction of the urging member.

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