WO2023120529A1

WO2023120529A1 - Power device

Info

Publication number: WO2023120529A1
Application number: PCT/JP2022/046916
Authority: WO
Inventors: 栗栖裕樹
Original assignee: 本田技研工業株式会社
Priority date: 2021-12-21
Filing date: 2022-12-20
Publication date: 2023-06-29

Abstract

A power device (10) includes: a housing part (14) for housing a power storage device (12); and an operation part (44) operated by power from the power storage device. The power storage device and the operation part are electrically connected via a first power line (154). The first power line has a third electrical terminal (164) and a fourth electrical terminal (166) that are removably engaged with each other. The first power line is divided into a first line section (162) and a second line section (168) at the third electrical terminal and the fourth electrical terminal. The third electrical terminal and the first line section are attached to the housing part and supported by the housing part.

Description

power equipment

The present invention relates to power equipment.

International Publication No. 2021/107069 discloses a holding device with a monocoque case. The holding device includes a housing portion (slot) for housing the mobile battery. The slot can be inserted into and removed from the monocoque case. When changing the specifications of this holding device, the installer of the holding device inserts, for example, an operating device or the like into the monocoque case in place of the slot. Thus, according to the configuration shown in WO2021/107069, it is easy to change the specifications of the holding device.

The holding device further includes a power converter such as an inverter. The mobile battery in the slot and the inverter are electrically connected via a power line. The mobile battery has a first terminal and the slot has a second terminal. The power line electrically connects the first terminal and the second terminal.

In Japanese Patent Application Laid-Open No. 2021-87224, it is proposed to provide the power line with an extra length. In this case, the power line is routed to reach the slot beyond the end facing the slot in the second terminal.

It is assumed that the housing part will be removed from the holding device when performing maintenance, etc. on the holding device. At this time, the power line is electrically disconnected. In this case, it is desirable to be able to integrally handle the part of the electrically cut power line and the accommodating portion.

An object of the present invention is to solve the above-described problems.

According to one embodiment of the present invention, an accommodating portion for removably accommodating a power storage device having a first electrical terminal; a housing or frame for supporting the accommodating portion; A power device comprising: a second electrical terminal connectably provided to an electrical terminal; and an operating unit electrically connected to the second electrical terminal via a first power line and operated by power from the power storage device The accommodating portion is detachably supported on the housing or the frame, the first power line has a third electrical terminal and a fourth electrical terminal that are detachable from each other, and the 3 electrical terminals are electrically connected to the second electrical terminal through a first wire portion that is a part of the first power line, and the third electrical terminal and the first wire portion are connected to the accommodation portion. A power device is provided that is mounted and supported in the housing.

In the present invention, the third electrical terminal and the first wire portion are attached to the housing portion. Therefore, it is possible to handle the third electrical terminal and the first wire portion integrally with the accommodating portion in a state in which the engagement between the third electrical terminal and the fourth electrical terminal is released.

Also, for example, when the housing is moved with respect to the housing or the framework, the third electrical terminal and the first wire section are prevented from being caught between the housing and the housing or the framework. This avoids damage to the third electrical terminal. Moreover, breakage of the first wire portion is also avoided.

1 is a schematic perspective view of a power device; FIG. FIG. 2 is a perspective view of a mobile battery. FIG. 3 is a bottom view of the mobile battery. FIG. 4 is a schematic perspective view of a monocoque frame as the basic framework of the electric power device. FIG. 5 is a schematic front view of the power device. FIG. 6 is a schematic front perspective view of the slot; FIG. 7 is a schematic cross-sectional view of a slot. FIG. 8 is a schematic front view of the slot. FIG. 9 is a schematic rear perspective view of the slot; 10 is a schematic rear perspective view of the slot at another angle from FIG. 9; FIG. FIG. 11 is an exploded perspective view of the battery lock mechanism. FIG. 12 is a circuit configuration diagram of the power device. FIG. 13 is a schematic overall view of a harness bundle. FIG. 14 is an enlarged side view of essential parts of the slot.

[Schematic configuration of power device]
FIG. 1 is a schematic perspective view of a power device 10. FIG. A mobile battery 12 (power storage device) is detachably accommodated inside the power device 10 . The power device 10 is a device that charges a mobile battery 12 housed therein. The user pushes the mobile battery 12 with a low state of charge (SOC) into the power device 10 . The user pulls out another fully charged mobile battery 12 from the power device 10 .

The power device 10 has eight slots 14 (receiving portions) and one operation panel 16 . A mobile battery 12 is accommodated in each of the eight slots 14 . When the user accommodates the mobile battery 12 in one slot 14 , the power device 10 starts charging the mobile battery 12 accommodated in the slot 14 .

The operation panel 16 is a device operated by the user. By operating the operation panel 16, the user pays a fee, for example.

The power device 10 will be described below based on the X-axis, Y-axis, and Z-axis defined as follows. The direction in which the mobile battery 12 is inserted into and removed from the slot 14 is defined as the Z-axis direction. In the Z-axis direction, the direction from the innermost part of the slot 14 toward the opening is defined as +Z-axis direction. The +Z-axis direction is the withdrawal direction in which the mobile battery 12 is removed from the slot 14 . The −Z-axis direction is the opposite direction to the +Z-axis direction. The −Z-axis direction is the direction in which the mobile battery 12 is inserted into the slot 14 . That is, the Z-axis direction is the insertion/removal direction of the mobile battery 12 .

Let the direction parallel to the width direction of the power device 10 be the X-axis direction. When the user stands facing the front of the power device 10, the right hand side in the X-axis direction is the +X-axis direction. The −X-axis direction is the opposite direction to the +X-axis direction and is the left-hand side in the X-axis direction. A direction orthogonal to the Z-axis and the X-axis is defined as the Y-axis direction. In the Y-axis direction, the upper side is the +Y-axis direction. In the Y-axis direction, the lower side is the -Y-axis direction.

[Mobile battery configuration]
This embodiment exemplifies a mode in which the mobile battery 12 shown in FIGS. 2 and 3 is used as a power storage device. The configuration of this mobile battery 12 will be described. FIG. 2 is a perspective view of the mobile battery 12. FIG. FIG. 3 is a bottom view of the mobile battery 12. FIG.

As shown in FIG. 2, the mobile battery 12 has a bottom case 301, a main case 302 and a top case 303. The bottom case 301 constitutes the bottom surface of the mobile battery 12 .

As shown in FIG. 2, the top case 303 constitutes the top surface of the mobile battery 12 . A handle 24 is provided on the upper surface. The handle 24 has a first grip portion 241 and a second grip portion 242 . The user mainly grips the first grip portion 241 to insert or remove the mobile battery 12 from the slot 14 .

As shown in FIG. 3, the female connector 20 (first electrical terminal) is exposed on the bottom surface. The connector 20 has female electrical terminals for transmitting and receiving power and female communication terminals for transmitting and receiving communication signals. That is, the connector 20 serves as both an electrical terminal and a communication terminal. The connector 20 is provided in a recess 26 (see FIG. 2) on the bottom surface. That is, the connector 20 is provided at a position slightly closer to the top case 303 from the bottom surface. The connector 20 is located from the center of the bottom surface toward the end where the second grip portion 242 is provided.

[Structure of skeleton (monocoque frame) and peripheral equipment]
As shown in FIGS. 1 and 4 , the electric power device 10 has a monocoque frame 30 that is a supporting framework, and a housing 32 (casing) that accommodates the monocoque frame 30 . The monocoque frame 30 has nine monocoque cases 34 and a plurality of support columns 36 . The monocoque case 34 is supported by the support pillars 36 . The monocoque case 34 is a hollow body with an open front surface. The rear face of monocoque case 34 may be a closed end. The rear surface of monocoque case 34 may be an open end. The monocoque frame 30 is the basic skeleton of the electric power device 10 .

As shown in FIG. 5 , an external connection section 40 is provided at the bottom of the power device 10 . An external power source or an external load is connected to the external connection section 40 . The external connection unit 40 receives power supply from an external power supply. Alternatively, the external connection unit 40 outputs (supplies) the power of the mobile battery 12 to an external load.

A support plate 42 is provided on the top of the monocoque frame 30 . A plurality of inverters 44 (operating units) are arranged on the support plate 42 . Each of the plurality of inverters 44 is electrically connected to each of the plurality of slots 14 . Therefore, the number of slots 14 and the number of inverters 44 are the same. The inverter 44 converts the DC power supplied from the mobile battery 12 into AC power. Alternatively, the inverter 44 converts AC power supplied from external power into DC power.

A main control board 46 (control section) and an inverter 48 are arranged on the support plate 42 . The main control board 46 is an integrated control unit for controlling the slots 14 . The inverter 48 converts AC power supplied from external power into DC power. The obtained DC power is supplied to the main control board 46 and the electronic circuit board 50 shown in FIG. The electronic circuit board 50 will be described later.

The monocoque frame 30 supports the top plate 51 above the support plate 42 . A breaker 52 is positioned and fixed to the top plate 51 .

The hollow interior of the monocoque case 34 (see FIG. 4) is a storage space for storing most of the slot 14. All or most of the mobile battery 12 is accommodated in the slot 14 .

The material of the monocoque case 34 is preferably a punching mesh material. In this case, the weight of the monocoque frame 30 is reduced, so that the weight of the electric power device 10 can be reduced. Also, the mobile battery 12 generates heat during charging. If the material of the monocoque case 34 is a punching mesh material, the heated air inside the monocoque case 34 can be easily dissipated to the outside of the monocoque case 34 . Moreover, cold air outside the monocoque case 34 can easily enter the monocoque case 34 . For the reasons described above, it becomes difficult for heat to stay in the monocoque case 34 . Therefore, the mobile battery 12 can be efficiently cooled.

A set of guide rails 54 extending along the Z-axis direction is provided on the inner surface of the bottom of the monocoque case 34, as shown in FIG. A set of regulating wall portions 56 is provided in the vicinity of the ends of the set of guide rails 54 in the -Z-axis direction. A set of restricting wall portions 56 protrude in the +X-axis direction or the −X-axis direction. A set of regulating wall portions 56 is higher than a set of guide rails 54 .

A pair of plate spring portions 58 are provided at the ends of the pair of guide rails 54 in the -Z-axis direction. A pair of plate spring portions 58 protrude slightly along the +Y-axis direction and are bent in the +Z-axis direction. Each of the set of restricting wall portions 56 is integrally connected to each of the set of leaf spring portions 58 . In each of the set of plate spring portions 58, an engaging convex portion 60 is formed at a portion extending in the +Z-axis direction. The engagement protrusion 60 protrudes toward the guide rail 54 and the -Y axis direction.

[Overall configuration of slots]
6 is a schematic front perspective view of slot 14. FIG. FIG. 6 shows a state in which the mobile battery 12 is not inserted into the slot 14. FIG. FIG. 7 is a schematic cross-sectional view of slot 14 . FIG. 7 shows a state in which the mobile battery 12 is inserted into the slot 14. FIG.

The slot 14 has a slot sleeve 70 and a battery lock mechanism 72. Slot sleeve 70 holds mobile battery 12 . The slot sleeve 70 has a slot body 74 , a slot flange 76 , a slot stay 78 , a slot guide 80 and a bottom cover 82 .

The slot body 74 is a tubular member (tubular portion) having a lower plate 751 , a left plate 752 , a right plate 753 and an upper plate 754 . The slot body 74 extends along the Z-axis direction. The Z-axis direction is the insertion/removal direction of the mobile battery 12 . As shown in FIG. 7, slot body 74 has a retention space 745 therein. When the mobile battery 12 is held in the slot 14 , most of the mobile battery 12 is held in this holding space 745 .

When the slot body 74 is viewed from the Z-axis direction, the outer shape of the slot body 74 is substantially rectangular. The slot body 74 has an opening 746 at the +Z-axis direction end and an opening 747 at the −Z-axis direction end.

As shown in FIGS. 6 and 7, the slot flange 76 is attached to the +Z-axis direction opening 746 of the slot body 74 . A slot stay 78 is attached to the +Z-axis direction side of the slot flange 76 . A door 86 is attached to the slot stay 78 . When mobile battery 12 is not housed in slot sleeve 70, door 86 is closed as shown in FIG. When the mobile battery 12 is accommodated in the slot sleeve 70, the door 86 opens inside the slot body 74, as shown in FIG. In this state, mobile battery 12 is accommodated in slot body 74 . The door 86 is opened and closed by rotating around a shaft 87 .

A slot guide 80 is attached to the +Z-axis direction side of the slot stay 78 . The slot guide 80 has an insertion opening 801 . Mobile battery 12 is inserted from insertion port 801 .

As shown in FIGS. 6 and 7, the bottom cover 82 (bottom) is attached to the opening 747 of the slot body 74 in the -Z-axis direction. A connector unit 90 , a fan 92 , an electronic circuit board 50 and a detection switch 94 are attached to the bottom cover 82 . The bottom cover assembly 100 is thus configured. The bottom cover assembly 100 will be described later.

A through hole 102 is formed in the bottom cover 82 . A connector 104 , which will be described later, passes through the through hole 102 . When the mobile battery 12 is inserted into the slot main body 74, the connector 104 passes through the through-hole 102 from the -Z-axis direction to the +Z-axis direction. On the other hand, when the mobile battery 12 is pulled out from the slot main body 74, the connector 104 passes through the through hole 102 from the +Z-axis direction to the -Z-axis direction.

A guide plate 106 is provided on the outer surface of the left side plate 752 of the slot body 74 . A guide plate 106 is similarly provided on the outer surface of the right side plate 753 of the slot body 74 . Two guide plates 106 extend along the Z-axis direction. In each of the two guide plates 106, an engaging hole 108 is formed at the end in the -Z-axis direction.

A battery lock mechanism 72 is attached to the +Y axis direction side of the slot stay 78 . When the battery lock mechanism 72 is in the locked state, the battery lock mechanism 72 restricts movement of the mobile battery 12 in the +Z-axis direction. This prevents the user from pulling out the mobile battery 12 from the slot 14 . When the battery lock mechanism 72 is in the unlocked state, the battery lock mechanism 72 allows the mobile battery 12 to move in the +Z-axis direction. Thereby, the user can pull out the mobile battery 12 from the slot 14 . The battery lock mechanism 72 will be described later.

A link bar 110 of the battery lock mechanism 72 is provided on the +Y-axis direction side of the slot sleeve 70 . Link bar 110 extends from battery lock mechanism 72 toward connector unit 90 . Battery lock mechanism 72 including link bar 110 extends parallel to the Z-axis direction. The battery locking mechanism 72 including the link bar 110 is longer than the mobile battery 12 held in the slot sleeve 70.

As shown in FIG. 8, an indicator 112 is provided on the side plate 761 positioned in the -Y-axis direction of the slot guide 80. As shown in FIG. The indicator 112 corresponds to the light emitting section of the invention. The indicator 112 is provided on the +Z-axis direction side surface of the side plate 761 . The indicator 112 indicates the vacancy of the slot 14, the charging state of the mobile battery 12 housed in the slot 14, and the like with the light on, the light blinking, the light off, and the like. It is indicated by the color of light, etc.

[Configuration of bottom cover assembly]
As shown in FIG. 9, the bottom cover 82 is provided with a fan 92 and a connector unit 90 . A fan 92 facilitates airflow inside the slot sleeve 70 .

The connector unit 90 has a connector 104 and a motor 116 shown in FIG. The male connector 104 has male electrical terminals for transmitting and receiving power and male communication terminals for transmitting and receiving communication signals. That is, the connector 104 serves as both an electrical terminal and a communication terminal.

The connector 104 fits into the connector 20 of the mobile battery 12 . At this time, power is supplied from the connector 104 to the mobile battery 12 to charge the mobile battery 12 . Alternatively, the power of the mobile battery 12 is taken out through the connector 104 and the mobile battery 12 is discharged. Further, mobile battery 12 and main control board 46 are communicably connected via connector 20 and connector 104 . That is, communication signals are exchanged between the mobile battery 12 and the main control board 46 .

The connector 104 advances or retreats along the Z-axis direction by the motor 116 . Specifically, motor 116 has a rotating shaft (not shown). A rotating shaft extends from the motor 116 in the +Y direction. A pinion 118 shown in FIG. 10 is attached to the tip of the rotating shaft. Pinion 118 meshes with rack 120 . Motor 116 is mechanically connected to connector 104 via pinion 118 , rack 120 and base 122 . Connector 104 and motor 116 are attached to bottom cover 82 via base 122 . The motor 116 is thereby supported by the bottom cover 82 .

- when the bottom cover 82 is viewed from the Z-axis direction, the detection switch 94 (see FIG. 7), the fan 92, the base 122, the connector 104, the motor 116, the pinion 118, the rack 120 and the electronic circuit board 50 positioned to fit inside the outer edge of the That is, the detection switch 94 , fan 92 , base 122 , connector 104 , motor 116 , pinion 118 , rack 120 and electronic circuit board 50 are arranged within a projection range parallel to the outer edge of bottom cover 82 . A parallel projection of the outer edge of the bottom cover 82 is a virtual area obtained by projecting the outer edge of the bottom cover 82 in the extending direction of the slot sleeve 70 (the insertion/removal direction of the mobile battery 12 or the Z-axis direction).

As a result, when the bottom cover 82 is attached to the slot body 74, the detection switch 94, the fan 92, the base 122, the connector 104, the motor 116, the pinion 118, the rack 120, and the electronic circuit board 50 interfere with surrounding members. can be suppressed.

The electronic circuit board 50 (see FIG. 9) controls charging of the mobile battery 12 housed in the slot sleeve 70, for example. A detection switch 94 is mounted on the electronic circuit of the electronic circuit board 50 . When the mobile battery 12 is held in the slot sleeve 70, the detection switch 94 is pushed down by the mobile battery 12 and switched from off to on.

A DC/DC converter 124 is mounted on the electronic circuit board 50 . When charging the mobile battery 12, the DC/DC converter 124 converts the DC power from the inverter 44 into desired DC power. When the mobile battery 12 is discharged, the DC/DC converter 124 converts the DC power from the mobile battery 12 into desired DC power.

[Configuration of Battery Lock Mechanism 72]
11 is an exploded perspective view of the battery lock mechanism 72. FIG. Battery lock mechanism 72 has link bar 110 , cam 130 , stopper 132 , lock cover 134 , camshaft 136 and lock top 138 .

As shown in FIG. 10, the −Z-axis direction side of the link bar 110 is fixed to the connector holder 140 . As a result, the link bar 110 moves together with the connector 104 fixed to the connector holder 140 in the Z-axis direction. The link bar 110 corresponds to the connecting portion of the present invention.

As shown in FIG. 11, the +Z-axis direction side of the link bar 110 is fixed to the cam 130 . As a result, the cam 130 moves together with the link bar 110 in the Z-axis direction. Cam 130 has a cam slit 701 .

The stopper 132 corresponds to the advance/retreat portion of the present invention. The stopper 132 has a stopper main body 721 and two connecting portions 722 . The two connecting portions 722 each have a shaft hole 723 penetrating in the X-axis direction. The camshaft 136 is passed through the shaft hole 723 and the cam slit 701 .

The stopper 132 is mechanically connected to the connector 104 via the battery lock mechanism 72 and the connector holder 140. The link bar 110 transmits to the cam 130 the movement of the connector holder 140 that moves integrally with the connector 104 in the Z-axis direction. Cam 130 converts movement of link bar 110 in the Z-axis direction into movement of stopper 132 in the Y-axis direction.

Accordingly, the common motor 116 can be used as a drive source for moving the connector 104 in the Z-axis direction and a drive source for moving the stopper 132 in the Y-axis direction. As a result, the number of drive sources can be reduced, so the manufacturing cost of the slot 14 can be suppressed.

When the cam 130 moves in the -Z-axis direction, the stopper 132 moves in the +Y-axis direction. At this time, the battery lock mechanism 72 is in an unlocked state. When the cam 130 moves in the +Z-axis direction, the stopper 132 moves in the -Y-axis direction. As a result, the stopper main body 721 protrudes into the insertion opening 321 of the slot stay 78 . At this time, the battery lock mechanism 72 is locked.

As can be understood from the above, the cam 130 can advance and retreat with respect to the movement trajectory when the mobile battery 12 is inserted into and removed from the slot 14 . As the cam 130 advances and retreats as described above, the battery lock mechanism 72 becomes unlocked or locked.

[Electrical connection in power equipment]
The electrical connection of the power device 10 will be described with reference to FIGS. 5 and 12 together.

Inside the housing 32 , the external connection portion 40 and the breaker 52 are electrically connected via a high-voltage power line 150 . In this case, the high-voltage power line 150 extends upward from the external connection portion 40 and is connected to the breaker 52 as described below. That is, the high-voltage power line 150 extends upward from the external connection portion 40 inside the housing 32 .

The high-voltage power line 150 extends upward from the bottom of the housing 32 and is fixed at any location using a fixture 152 . The high-voltage power line 150 is curved inwardly of the housing 32 before reaching the top plate 51 and connected to the breaker 52 .

The breaker 52 and the

inverters

44 and 48 are electrically connected via a high voltage power line 150 . When an excessive current exceeding a predetermined threshold occurs in power device 10 , breaker 52 interrupts conduction between external connection 40 and

inverters

44 and 48 . This protects the power device 10 from overcurrent.

The

inverters

44 and 48 convert the high-voltage AC power input from the external connection section 40 into relatively low-voltage DC power. The DC power obtained by the conversion of inverter 44 is output to mobile battery 12 . DC power obtained by conversion by the inverter 48 is output to the main control board 46 and the electronic circuit board 50 .

When the power device 10 outputs the power of the mobile battery 12, the inverter 44 converts the DC power supplied from the mobile battery 12 into AC power. The AC power obtained by the conversion of the inverter 44 is output to the outside via the breaker 52 , the high voltage power line 150 and the external connection section 40 .

The inverter 44 and mobile battery 12 are electrically connected via a first low voltage power line 154 . The first low voltage power line 154 corresponds to the first power line of the present invention. The inverter 48 , main control board 46 and electronic circuit board 50 are electrically connected via a second low-voltage power line 156 . The second low voltage power line 156 corresponds to the second power line of the present invention. The main control board 46 and the mobile battery 12 are communicably connected via a communication line 158 . The communication line 158 corresponds to the communication line of the present invention. Each of the first low voltage power line 154, the second low voltage power line 156 and the communication line 158 is configured as a harness.

As shown in FIG. 13, the first low-voltage power line 154, the second low-voltage power line 156, and the communication line 158 are bundled together to form a harness bundle 160. The harness bundle 160 extends downward from the inverter 44, the inverter 48, and the main control board 46 toward the right (+X-axis direction) in FIG. Further, the harness bundle 160 is divided into a first branch bundle 1601 , a second branch bundle 1602 and a third branch bundle 1603 inside the housing 32 . The first branched bundle 1601 extends from above to below near the left end in the housing 32 . The second branched bundle 1602 extends downward from above in approximately the middle of the monocoque frame 30 in the width direction (X-axis direction). The third branched bundle 1603 extends from above to below near the right end of the housing 32 .

The first branched bundle 1601 branches into a plurality of wiring bundles 1610 . The second branch bundle 1602 and the third branch bundle 1603 are similarly branched into a plurality of wire bundles 1610 . One wiring bundle 1610 goes to one slot 14 . One wiring bundle 1610 is passed through an insertion hole (not shown) formed in the monocoque case 34 .

As shown in FIG. 14 , in the wiring bundle 1610 , the first low voltage power line 154 has a first wire portion 162 , a first wire connector 164 , a second wire connector 166 and a second wire portion 168 . The first low voltage power line 154 further has a cable 170 shown in FIG. The first wire connector 164 corresponds to the third electrical terminal of the invention. The second wire connector 166 corresponds to the fourth electrical terminal of the invention. The first wire connector 164 and the second wire connector 166 are detachably engaged with each other.

The first wire portion 162 is a portion downstream of the first wire connector 164 in the first low-voltage power line 154 . The second wire portion 168 is a portion upstream of the second wire connector 166 in the first low-voltage power line 154 . As can be understood from the above, the first low-voltage power line 154 is divided into the first wire portion 162 and the second wire portion 168 in the monocoque case 34 with the first wire connector 164 and the second wire connector 166 as boundaries. It is The most downstream end of the first wire portion 162 is electrically connected to the DC/DC converter 124 . The most upstream end of the second wire portion 168 is electrically connected to the inverter 44, which is the operating portion.

"Upstream" and "downstream" respectively represent upstream and downstream when current flows from the external connection unit 40 to the mobile battery 12 via the inverter 44. In the following description, upstream and downstream are similarly defined based on the time when the current flows from the external connection portion 40 . Regarding communication signals, the main control board 46 is upstream and the mobile battery 12 is downstream.

The cable 170 electrically connects the DC/DC converter 124 and the connector 104, which is the second electrical terminal. Here, cable 170 is part of first low voltage power line 154 as described above. DC/DC converter 124 is interposed in first low-voltage power line 154 by being arranged between cable 170 and first line portion 162 .

When the first wire connector 164 and the second wire connector 166 are engaged with each other, the first low-voltage power line 154 electrically connects the inverter 44 and the mobile battery 12 . When the engagement between the first wire connector 164 and the second wire connector 166 is released, the first wire portion 162 and the second wire portion 168 are electrically insulated. Therefore, the mobile battery 12 and the inverter 44 are electrically insulated.

As shown in FIG. 14 , in the wiring bundle 1610 , the second low voltage power line 156 has a third wire portion 180 , a third wire connector 182 , a fourth wire connector 184 and a fourth wire portion 186 . The second low voltage power line 156 also has a cable 188 shown in FIG. The third wire connector 182 corresponds to the fifth electrical terminal of the invention. The fourth wire connector 184 corresponds to the sixth electrical terminal of the invention. The third wire connector 182 and the fourth wire connector 184 are detachably engaged with each other.

The third wire portion 180 is a portion downstream of the third wire connector 182 in the second low-voltage power line 156 . The fourth wire portion 186 is a portion upstream of the fourth wire connector 184 in the second low-voltage power line 156 . That is, the second low-voltage power line 156 is divided into a third wire portion 180 and a fourth wire portion 186 at the third wire connector 182 and the fourth wire connector 184 in the monocoque case 34 . The most downstream end of the third wire portion 180 is electrically connected to the electronic circuit board 50 . The most upstream tip of the fourth wire portion 186 is electrically connected to the inverter 48 which is the operating portion. The main control board 46 is interposed in the fourth wire portion 186 .

The cable 188 electrically connects the electronic circuit board 50 and the connector 104 . As noted above, cable 188 is part of second low voltage power line 156 . The electronic circuit board 50 is interposed in the second low-voltage power line 156 by being arranged between the third wire portion 180 and the cable 188 .

When the third wire connector 182 and the fourth wire connector 184 are engaged with each other, the second low-voltage power line 156 electrically connects the inverter 48 and the mobile battery 12 via the main control board 46 and the electronic circuit board 50 . connected to When the engagement between the third wire connector 182 and the fourth wire connector 184 is released, the third wire portion 180 and the fourth wire portion 186 are electrically insulated. Therefore, the inverter 48 and the mobile battery 12 are electrically insulated. At the same time, the inverter 48 and the main control board 46 are electrically isolated, and the inverter 48 and the electronic circuit board 50 are electrically isolated.

As shown in FIG. 14, in the wiring bundle 1610, the communication line 158 includes a fifth wire portion 190 (first communication wire portion), a fifth wire connector 192, a sixth wire connector 194, and a sixth wire portion 196. (Second communication line portion). Communication line 158 further includes cable 197 shown in FIG. The fifth wire connector 192 corresponds to the first communication terminal of the invention. The sixth wire connector 194 corresponds to the second communication terminal of the invention. The fifth wire connector 192 and the sixth wire connector 194 are detachably engaged with each other.

The fifth line portion 190 is a portion downstream of the fifth wire connector 192 in the communication line 158 . The sixth wire portion 196 is a portion upstream of the sixth wire connector 194 in the communication line 158 . That is, the communication line 158 is divided into a fifth wire portion 190 and a sixth wire portion 196 at the fifth wire connector 192 and the sixth wire connector 194 in the monocoque case 34 . The most downstream end of the fifth wire portion 190 is electrically connected to the electronic circuit board 50 . The most upstream end of the sixth wire portion 196 is electrically connected to the main control board 46, which is the control portion.

The cable 197 electrically connects the electronic circuit board 50 and the connector 104 . As noted above, cable 197 is part of communication line 158 . The electronic circuit board 50 is interposed in the communication line 158 by being arranged between the fifth line portion 190 and the cable 197 .

When the fifth wire connector 192 and the sixth wire connector 194 are engaged with each other, the main control board 46 and the mobile battery 12 are communicably connected via the electronic circuit board 50 by the communication line 158 . When the engagement between the fifth wire connector 192 and the sixth wire connector 194 is released, the fifth wire portion 190 and the sixth wire portion 196 are electrically insulated. Therefore, communication between the main control board 46 and the mobile battery 12 is cut off.

The first wire portion 162 , the first wire connector 164 , the third wire portion 180 , the third wire connector 182 , the fifth wire portion 190 and the fifth wire connector 192 are attached to the outer surface of the left side plate 752 of the slot body 74 by the fixture 200 . attached through the That is, the first wire portion 162 , the first wire connector 164 , the third wire portion 180 , the third wire connector 182 , the fifth wire portion 190 and the fifth wire connector 192 are supported in the slot 14 via the slot sleeve 70 . ing. The first wire portion 162 , the third wire portion 180 and the fifth wire portion 190 are bundled by the fixture 200 . The first wire connector 164, the third wire connector 182, and the fifth wire connector 192 face the front of the power device 10 (+Z-axis direction).

The fixture 200 is located near the opening 746 on the left side plate 752 of the slot body 74 from the middle position (midpoint) in the extending direction of the slot body 74 . In other words, the first wire connector 164 , the third wire connector 182 , and the fifth wire connector 192 are provided close to the front end (the end in the +Z-axis direction) of the slot 14 .

The second wire portion 168 , the fourth wire portion 186 and the sixth wire portion 196 are bundled with a binding band 202 . The downstream ends of the bundled second wire portion 168 , fourth wire portion 186 and sixth wire portion 196 are inserted into the monocoque case 34 . Note that the binding band 202 is not shown in FIG.

When the first wire connector 164 and the second wire connector 166 are engaged with each other, the first wire portion 162 and the second wire portion 168 are wire-connected. When the third wire connector 182 and the fourth wire connector 184 are engaged with each other, the third wire portion 180 and the fourth wire portion 186 are wire-connected. When the fifth wire connector 192 and the sixth wire connector 194 are engaged with each other, the fifth wire portion 190 and the sixth wire portion 196 are wire-connected. In this connected state, the operator can pull out the end of the slot 14 in the +Z-axis direction from the monocoque case 34 in the +Z-axis direction.

In other words, the worker can move the slot 14 in the direction away from the monocoque frame 30 in the above connection state. Thus, the first low-voltage power line 154, the second low-voltage power line 156, and the communication line 158 have lengths that allow the slot 14 to move in the connected state. In the wired state, the slot 14 can move at least until the first wiring connector 164 , the third wiring connector 182 and the fifth wiring connector 192 are exposed from the monocoque case 34 .

The electronic circuit board 50 is electrically connected to the DC/DC converter 124, fan 92 and indicator 112 via cables 204 (see FIG. 12). Cable 204 corresponds to the third power line of the present invention. On the other hand, DC/DC converter 124 and mobile battery 12 are electrically connected via cable 170 which is part of first low-voltage power line 154 as described above. Therefore, power from mobile battery 12 can be supplied to fan 92 and indicator 112 via DC/DC converter 124 and cable 204 .

As can be understood from FIG. 9, the cable 204, which is the third power line, is provided in the slot 14. Cable 204 is thus supported in slot 14 .

The power device according to this embodiment is basically configured as described above. Next, the effects of the power device will be described.

The power device 10 is used with the first low-voltage power line 154, the second low-voltage power line 156 and the communication line 158 connected. A mobile battery 12 with a lowered SOC is inserted into an empty slot 14 in the power device 10 . When the mobile battery 12 switches the detection switch 94 from off to on, the motor 116 is activated. As a result, connector 104 moves toward connector 20 . Connector 104 engages connector 20 through through hole 102 . As a result, the external power connected to the external connection unit 40 and the mobile battery 12 are electrically connected.

The power supplied from external power is converted into low-voltage DC power by the inverter 48 . The obtained DC power is supplied to the main control board 46 and the electronic circuit board 50 via the second low-voltage power line 156 . As a result, the main control board 46 and the electronic circuit board 50 are driven. The main control board 46 performs signal transmission/reception (communication) with the electronic circuit board 50 via the communication line 158 . For example, a control signal for controlling the mobile battery 12 is transmitted from the main control board 46 to the electronic circuit board 50 .

The electronic circuit board 50 controls the DC/DC converter 124 based on the control signal received via the communication line 158. As a result, the DC power from the inverter 44 is converted into desired DC power by the DC/DC converter 124 . The DC power after conversion is supplied to mobile battery 12 via cable 170 , connector 104 and connector 20 . As a result, the mobile battery 12 is charged.

The electronic circuit board 50 cools the mobile battery 12 by driving the fan 92 based on the control signal. Furthermore, the electronic circuit board 50 acquires information such as the voltage, temperature, SOC, etc. of the mobile battery 12 from the mobile battery 12 via the connector 20 , the connector 104 and the cable 197 . The electronic circuit board 50 transmits information and the like obtained from the mobile battery 12 to the main control board 46 via the communication line 158 .

When the mobile battery 12 with a low SOC is accommodated in the slot 14, the indicator 112, for example, lights up in another slot 14. At this time, DC power is supplied from the DC/DC converter 124 to the indicator 112 via the electronic circuit board 50 . Note that another slot 14 is a slot 14 that accommodates a mobile battery 12 with a sufficiently high SOC. The user pulls out the mobile battery 12 from the slot 14 with the indicator 112 lit.

When the power from the mobile battery 12 is output to the outside, the DC/DC converter 124 converts the DC power from the mobile battery 12 into desired DC power. The DC power after conversion is supplied to the inverter 44 via the first low-voltage power line 154 . The inverter 44 converts the DC power into AC power. The AC power after conversion is taken out of the power device 10 from the external connection unit 40 .

As the power equipment 10 continues to operate, it is assumed that periodic inspections or troubleshooting will be required. When the slot 14 requires maintenance, the operator pulls the slot 14 out of the monocoque case 34 .

At this time, the guide plate 106 (see FIG. 6) slides along the upper surface of the guide rail 54 provided on the monocoque case 34. As a result, the +Z-axis direction end of the slot 14 can be easily pulled out in the +Z-axis direction. Note that when the sliding starts, the engaging convex portion 60 of the plate spring portion 58 is disengaged from the engaging hole 108 .

As described above, the first wire portion 162 of the first low-voltage power line 154, the third wire portion 180 of the second low-voltage power line 156, and the fifth wire portion 190 of the communication line 158 are provided on the outer surface of the left side plate 752 of the slot 14. It is attached via a fixture 200 . Moreover, the fixture 200 is closer to the front end than the middle position (middle) in the extending direction of the slot body 74 . Therefore, by pulling the front end of the slot 14 out of the monocoque case 34, the fixture 200 is exposed from the monocoque case 34 as shown in FIG. At this time, the first wire connector 164 and the second wire connector 166 that are engaged with each other are also exposed from the monocoque case 34 . Similarly, the third wire connector 182 and the fourth wire connector 184 that are engaged with each other are also exposed from the monocoque case 34 . The fifth wire connector 192 and the sixth wire connector 194 that are engaged with each other are also exposed from the monocoque case 34 .

As described above, the lengths of the second line portion 168 of the first low-voltage power line 154, the fourth line portion 186 of the second low-voltage power line 156, and the sixth line portion 196 of the communication line 158 include allowances. The allowance allows slot 14 to move until fixture 200 is exposed from monocoque case 34 . Therefore, tensioning of the first low voltage power line 154, the second low voltage power line 156 and the communication line 158 before the fixture 200 is exposed from the monocoque case 34 is avoided. Due to this, stalling of slot 14 is also avoided.

Also, the fixture 200 is provided on the outer surface of the left side plate 752 of the slot 14 . Therefore, the operator can easily visually recognize the first wire connector 164 and the second wire connector 166 that are engaged with each other. Similarly, the operator can easily visually recognize the third wire connector 182 and the fourth wire connector 184 that are engaged with each other, and the fifth wire connector 192 and the sixth wire connector 194 that are engaged with each other. .

Accordingly, the operator can easily release the engagement between the first wire connector 164 and the second wire connector 166. Similarly, the engagement between the third wire connector 182 and the fourth wire connector 184 and the engagement between the fifth wire connector 192 and the sixth wire connector 194 can be easily released.

The engagement between the first wire connector 164 and the second wire connector 166, the engagement between the third wire connector 182 and the fourth wire connector 184, and the engagement between the fifth wire connector 192 and the sixth wire connector 194 are When released, slot 14 is freed from the constraints of first low voltage power line 154 , second low voltage power line 156 and communication line 158 . Therefore, the operator can further pull out the slot 14 in the +Z-axis direction.

Here, the first wire connector 164, the first wire portion 162, the third wire connector 182, the third wire portion 180, the fifth wire connector 192, and the fifth wire portion 190 are attached to the slot body 74 via the fixture 200. installed. Therefore, these connectors and wire portions maintain the same positions as before the disconnection even after disconnection. That is, it is possible to prevent these connectors and wire portions from descending due to their own weight.

Therefore, it is possible to prevent the connector and the wire portion provided in the slot 14 from being caught between the bottom surface of the monocoque case 34 and the lower plate 751 of the slot body 74 while the slot 14 is further pulled out after the connection is released. be done. This prevents the first wire connector 164, the third wire connector 182, and the fifth wire connector 192 from being damaged. Moreover, breakage of the first wire portion 162, the third wire portion 180 and the fifth wire portion 190 is also avoided.

Also, in this case, the second wire connection connector 166 , the second wire portion 168 , the fourth wire connection connector 184 , the fourth wire portion 186 , the sixth wire connection connector 194 and the sixth wire portion 196 are moved integrally with the slot body 74 . can be made That is, it can be handled as a slot assembly in which these connectors and wire portions are incorporated in the slot body 74. FIG.

After the entire slot 14 is taken out from the housing 32, maintenance or the like is performed on the slot 14. Since the entire slot 14 is exposed to the outside, it is easy to perform maintenance on the slot 14 .

After performing maintenance on the slot 14, insert the slot 14 into the monocoque case 34. At this time, the operator supports the rear end (−Z-axis direction end) of the slot 14 on the front end (+Z-axis direction end) of the monocoque case 34 . Also, the operator places the guide plate 106 on the guide rail 54 . In this state, the operator engages the first wire connector 164 and the second wire connector 166 . The operator further engages the third wire connector 182 and the fourth wire connector 184 and engages the fifth wire connector 192 and the sixth wire connector 194 . As described above, the first low-voltage power line 154, the second low-voltage power line 156, and the communication line 158 are respectively connected.

After that, the operator slides the guide plate 106 along the guide rail 54 in the -Z-axis direction. As a result, the slot 14, the first wire connector 164, the first wire portion 162, the third wire connector 182, the third wire portion 180, the fifth wire connector 192, and the fifth wire portion 190 move integrally. For the reason described above, the connector and wire portion provided in the slot 14 are prevented from being caught between the bottom surface of the monocoque case 34 and the lower plate 751 of the slot body 74 . Therefore, damage to the first wire connector 164, the third wire connector 182, and the fifth wire connector 192 is avoided. Moreover, breakage of the first wire portion 162, the third wire portion 180 and the fifth wire portion 190 is also avoided.

As described above, in this embodiment, the first wire connection connector 164 , the first wire portion 162 , the third wire connection connector 182 , the third wire portion 180 , the fifth wire connection connector 192 and the fifth wire portion 190 are connected to the slot body 74 . It is assembled to form a slot assembly. Thereby, the connector and the wire portion can be protected.

Moreover, in this case, it is not necessary to change the direction of the housing 32 to secure the working space. For similar reasons, there is no need to move the housing 32 either. This eliminates the need for complicated work. Also, the time required for maintenance and the like is shortened.

It should be noted that the present invention is not limited to the above disclosure, and can adopt various configurations without departing from the gist of the present invention.

For example, the power storage device is not particularly limited to the mobile battery 12. Another example of the power storage device is a power feeder that accommodates the mobile battery 12 .

The operation unit is not particularly limited to the inverter 44. Another example of the motion unit is a motor.

The electronic circuit board 50 may be provided on the housing 32 . Moreover, the slot 14 may be provided in the housing 32 so as to be removable without providing the monocoque frame 30 .

The first wire portion 162 , the first wire connector 164 , the third wire portion 180 , the third wire connector 182 , the fifth wire portion 190 and the fifth wire connector 192 are attached to the outer surface of the right side plate 753 of the slot body 74 . may Moreover, if a sufficient clearance is formed between the lower surface of the monocoque case 34 and the lower plate 751 , it is also possible to attach the above wire portions and wire connectors to the outer surface of the lower plate 751 . Similarly, if sufficient clearance is provided between the upper plate 754 and the upper surface of the monocoque case 34, the wires and wire connectors described above can be attached to the outer surface of the upper plate 754.

10... Power device 12... Mobile battery (power storage device)
14... Slot (accommodating portion)
20... Connector (first electrical terminal)
30... Monocoque frame (skeleton)
32 ... housing (housing)
34... Monocoque case 40...

External connection parts

44, 48... Inverter (operating part)
46... Main control board (control unit)
50... Electronic circuit board 70... Slot sleeve 72... Battery lock mechanism 74... Slot body (cylindrical portion)
76... Slot flange 82... Bottom cover (bottom part)
90 Connector unit 92 Fan 94 Detection switch 100 Bottom cover assembly 104 Connector (second electrical terminal)
106... Guide plate 108... Engagement hole 110... Link bar (connection part)
112... Indicator (light-emitting part)
116... Motor (driving source)
118... Pinion 120... Rack 124... DC/DC converter (power converter)
130... Cam 132... Stopper (advance/retreat portion)
134... Lock cover 136... Cam shaft 138... Lock top 140... Connector holder 150... High voltage power line 154... First low voltage power line (first power line)
156... Second low-voltage power line (second power line)
158... Communication line 160... Harness bundle 162... First wire portion 164... First wire connector (third electric terminal)
166... Second connection connector (fourth electrical terminal)
168

Second wire portions

170, 188, 197, 204 Cable 180 Third wire portion 182 Third connection connector (fifth electrical terminal)
184... Fourth wire connector (sixth electrical terminal)
186... Fourth line portion 190... Fifth line portion (first communication line portion)
192... Fifth wire connector (first communication terminal)
194... Sixth connection connector (second communication terminal)
196...Sixth wire portion 200...Fixer 202...Binding band 1601...First branch bundle 1602...Second branch bundle 1603...Third branch bundle 1610...Wiring bundle

Claims

a housing portion (14) for removably housing a power storage device (12) having a first electrical terminal (20);
a housing (32) or skeleton (30) that supports the housing;
a second electrical terminal (104) provided in the accommodating portion and connectable to the first electrical terminal;
an operation unit (44) electrically connected to the second electrical terminal via a first power line (154) and operated by power from the power storage device;
A power device (10) comprising:
The housing part is detachably supported with respect to the housing or the skeleton,
The first power line has a third electrical terminal (164) and a fourth electrical terminal (166) that can be engaged and disengaged from each other,
the third electrical terminal is electrically connected to the second electrical terminal via a first wire section (162) that is part of the first power line;
The electric power device, wherein the third electrical terminal and the first wire portion are attached to and supported by the accommodating portion.
2. The electric power device according to claim 1, wherein the accommodating portion has an opening (746), a tubular portion (74) in which the opening is formed, and a bottom portion (82) connected to the tubular portion,
The housing portion is formed in a bottomed tubular shape by the opening, the tubular portion and the bottom portion,
The electric power device, wherein the third electrical terminal and the first wire portion are attached to an outer surface of the tubular portion and supported by the tubular portion.
3. The electric power device according to claim 2, wherein when the direction in which the power storage device is taken in and out of the accommodating portion is defined as an in-and-out direction, the accommodating portion is attached to and detached from the casing or the frame along the in-and-out direction. provided that it is possible to
The electric power device, wherein the third electric terminal and the first wire portion are fixed at a position on the opening side of the outer surface of the tubular portion rather than a midpoint position of the tubular portion in the entering/exiting direction.
4. The power device according to claim 2, wherein the accommodating portion has a posture in which the opening faces a direction that intersects the vertical direction,
The electric power device, wherein the third electrical terminal and the first wire portion are fixed to a surface of the outer surface of the cylindrical portion other than the surface facing vertically downward.
The electric power device according to any one of claims 2 to 4, wherein said second electrical terminal is provided so as to be movable relative to said accommodating portion.
6. The electric power device according to claim 5, wherein a retractable portion (132) is provided so as to move back and forth with respect to a locus of movement of said power storage device when said power storage device is taken in and out of said accommodating portion;
a connecting portion (110) for mechanically connecting the second electrical terminal and the advancing/retracting portion to each other;
with
The electric power device, wherein the connecting portion is arranged at a position away from the third electric terminal and the first wire portion on the outer surface of the cylindrical portion.
7. The power device according to claim 5 or 6, further comprising a drive source (116) for relatively moving the second electrical terminal with respect to the housing,
The driving source is an electric power device attached to the bottom portion of the cylindrical portion and supported by the accommodating portion.
The power device according to claim 7, wherein the second electrical terminal and the drive source are positioned within a projection range parallel to the outer edge of the bottom portion of the cylindrical portion.
In the power device according to any one of claims 1 to 8,
said fourth electrical terminal is electrically connected to said working portion via a second wire portion (168) which is another part of said first power line;
With the second wire portion connected to the action portion and with the third electrical terminal and the fourth electrical terminal engaged with each other, the accommodating portion is detached from the housing or the skeleton. A power device that is a length having an excess portion that is movable in the direction of rotation.
The electric power device according to any one of claims 1 to 9, wherein a control unit (46) communicably connected to the power storage device housed in the housing unit via a communication line (158) prepared,
The communication line has a first communication terminal (192) and a second communication terminal (194) that are detachable from each other,
The first communication terminal is electrically connected to the first electrical terminal via a first communication line section (190) that is part of the communication line,
A power device in which the first communication terminal and the first communication line portion are attached to and supported by the accommodating portion.
The electric power device according to claim 10, wherein the first line portion and the first communication line portion are bundled and routed.
12. The power device according to claim 10 or 11, comprising a second power line (156) electrically connecting said control unit and said second electrical terminal,
The second power line has a fifth electrical terminal (182) and a sixth electrical terminal (184) that are detachable from each other,
the fifth electrical terminal is electrically connected to the second electrical terminal via a third wire portion (180) that is part of the second power line;
A power device in which the fifth electrical terminal and the third wire portion are attached to and supported by the accommodating portion.
13. The power device according to claim 12, comprising a power converter (124) interposed in the second power line,
The electric power device, wherein the power conversion unit is attached to and supported by the accommodation unit.
14. A power device according to claim 12 or 13, wherein said first power line and said second power line are bundled together and routed.
The power device according to any one of claims 1 to 14, comprising a light emitting part (112) connected to the second electrical terminal via a third power line (204),
A power device in which the light emitting section and the third power line are provided in the housing section and supported by the housing section.